* erc-stamp.el (erc-echo-timestamp):
[emacs.git] / lisp / gnus / gnus-sum.el
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1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 3, or (at your option)
14 ;; any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
26 ;;; Commentary:
28 ;;; Code:
30 (eval-when-compile
31 (require 'cl))
33 (defvar tool-bar-mode)
34 (defvar gnus-tmp-header)
36 (require 'gnus)
37 (require 'gnus-group)
38 (require 'gnus-spec)
39 (require 'gnus-range)
40 (require 'gnus-int)
41 (require 'gnus-undo)
42 (require 'gnus-util)
43 (require 'gmm-utils)
44 (require 'mm-decode)
45 (require 'nnoo)
47 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
48 (autoload 'gnus-cache-write-active "gnus-cache")
49 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
50 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
51 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
52 (autoload 'mm-uu-dissect "mm-uu")
53 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
54 "Deuglify broken Outlook (Express) articles and redisplay."
56 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
57 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
58 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
60 (defcustom gnus-kill-summary-on-exit t
61 "*If non-nil, kill the summary buffer when you exit from it.
62 If nil, the summary will become a \"*Dead Summary*\" buffer, and
63 it will be killed sometime later."
64 :group 'gnus-summary-exit
65 :type 'boolean)
67 (defcustom gnus-summary-next-group-on-exit t
68 "If non-nil, go to the next unread newsgroup on summary exit.
69 See `gnus-group-goto-unread'."
70 :link '(custom-manual "(gnus)Group Maneuvering")
71 :group 'gnus-summary-exit
72 :version "23.0" ;; No Gnus
73 :type 'boolean)
75 (defcustom gnus-fetch-old-headers nil
76 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
77 If an unread article in the group refers to an older, already
78 read (or just marked as read) article, the old article will not
79 normally be displayed in the Summary buffer. If this variable is
80 t, Gnus will attempt to grab the headers to the old articles, and
81 thereby build complete threads. If it has the value `some', all
82 old headers will be fetched but only enough headers to connect
83 otherwise loose threads will be displayed. This variable can
84 also be a number. In that case, no more than that number of old
85 headers will be fetched. If it has the value `invisible', all
86 old headers will be fetched, but none will be displayed.
88 The server has to support NOV for any of this to work.
90 This feature can seriously impact performance it ignores all
91 locally cached header entries."
92 :group 'gnus-thread
93 :type '(choice (const :tag "off" nil)
94 (const :tag "on" t)
95 (const some)
96 (const invisible)
97 number
98 (sexp :menu-tag "other" t)))
100 (defcustom gnus-refer-thread-limit 500
101 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
102 If t, fetch all the available old headers."
103 :group 'gnus-thread
104 :type '(choice number
105 (sexp :menu-tag "other" t)))
107 (defcustom gnus-summary-make-false-root 'adopt
108 "*nil means that Gnus won't gather loose threads.
109 If the root of a thread has expired or been read in a previous
110 session, the information necessary to build a complete thread has been
111 lost. Instead of having many small sub-threads from this original thread
112 scattered all over the summary buffer, Gnus can gather them.
114 If non-nil, Gnus will try to gather all loose sub-threads from an
115 original thread into one large thread.
117 If this variable is non-nil, it should be one of `none', `adopt',
118 `dummy' or `empty'.
120 If this variable is `none', Gnus will not make a false root, but just
121 present the sub-threads after another.
122 If this variable is `dummy', Gnus will create a dummy root that will
123 have all the sub-threads as children.
124 If this variable is `adopt', Gnus will make one of the \"children\"
125 the parent and mark all the step-children as such.
126 If this variable is `empty', the \"children\" are printed with empty
127 subject fields. (Or rather, they will be printed with a string
128 given by the `gnus-summary-same-subject' variable.)"
129 :group 'gnus-thread
130 :type '(choice (const :tag "off" nil)
131 (const none)
132 (const dummy)
133 (const adopt)
134 (const empty)))
136 (defcustom gnus-summary-make-false-root-always nil
137 "Always make a false dummy root."
138 :version "22.1"
139 :group 'gnus-thread
140 :type 'boolean)
142 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
143 "*A regexp to match subjects to be excluded from loose thread gathering.
144 As loose thread gathering is done on subjects only, that means that
145 there can be many false gatherings performed. By rooting out certain
146 common subjects, gathering might become saner."
147 :group 'gnus-thread
148 :type 'regexp)
150 (defcustom gnus-summary-gather-subject-limit nil
151 "*Maximum length of subject comparisons when gathering loose threads.
152 Use nil to compare full subjects. Setting this variable to a low
153 number will help gather threads that have been corrupted by
154 newsreaders chopping off subject lines, but it might also mean that
155 unrelated articles that have subject that happen to begin with the
156 same few characters will be incorrectly gathered.
158 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
159 comparing subjects."
160 :group 'gnus-thread
161 :type '(choice (const :tag "off" nil)
162 (const fuzzy)
163 (sexp :menu-tag "on" t)))
165 (defcustom gnus-simplify-subject-functions nil
166 "List of functions taking a string argument that simplify subjects.
167 The functions are applied recursively.
169 Useful functions to put in this list include:
170 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
171 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
172 :group 'gnus-thread
173 :type '(repeat function))
175 (defcustom gnus-simplify-ignored-prefixes nil
176 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
177 :group 'gnus-thread
178 :type '(choice (const :tag "off" nil)
179 regexp))
181 (defcustom gnus-build-sparse-threads nil
182 "*If non-nil, fill in the gaps in threads.
183 If `some', only fill in the gaps that are needed to tie loose threads
184 together. If `more', fill in all leaf nodes that Gnus can find. If
185 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
186 :group 'gnus-thread
187 :type '(choice (const :tag "off" nil)
188 (const some)
189 (const more)
190 (sexp :menu-tag "all" t)))
192 (defcustom gnus-summary-thread-gathering-function
193 'gnus-gather-threads-by-subject
194 "*Function used for gathering loose threads.
195 There are two pre-defined functions: `gnus-gather-threads-by-subject',
196 which only takes Subjects into consideration; and
197 `gnus-gather-threads-by-references', which compared the References
198 headers of the articles to find matches."
199 :group 'gnus-thread
200 :type '(radio (function-item gnus-gather-threads-by-subject)
201 (function-item gnus-gather-threads-by-references)
202 (function :tag "other")))
204 (defcustom gnus-summary-same-subject ""
205 "*String indicating that the current article has the same subject as the previous.
206 This variable will only be used if the value of
207 `gnus-summary-make-false-root' is `empty'."
208 :group 'gnus-summary-format
209 :type 'string)
211 (defcustom gnus-summary-goto-unread t
212 "*If t, many commands will go to the next unread article.
213 This applies to marking commands as well as other commands that
214 \"naturally\" select the next article, like, for instance, `SPC' at
215 the end of an article.
217 If nil, the marking commands do NOT go to the next unread article
218 \(they go to the next article instead). If `never', commands that
219 usually go to the next unread article, will go to the next article,
220 whether it is read or not."
221 :group 'gnus-summary-marks
222 :link '(custom-manual "(gnus)Setting Marks")
223 :type '(choice (const :tag "off" nil)
224 (const never)
225 (sexp :menu-tag "on" t)))
227 (defcustom gnus-summary-default-score 0
228 "*Default article score level.
229 All scores generated by the score files will be added to this score.
230 If this variable is nil, scoring will be disabled."
231 :group 'gnus-score-default
232 :type '(choice (const :tag "disable")
233 integer))
235 (defcustom gnus-summary-default-high-score 0
236 "*Default threshold for a high scored article.
237 An article will be highlighted as high scored if its score is greater
238 than this score."
239 :version "22.1"
240 :group 'gnus-score-default
241 :type 'integer)
243 (defcustom gnus-summary-default-low-score 0
244 "*Default threshold for a low scored article.
245 An article will be highlighted as low scored if its score is smaller
246 than this score."
247 :version "22.1"
248 :group 'gnus-score-default
249 :type 'integer)
251 (defcustom gnus-summary-zcore-fuzz 0
252 "*Fuzziness factor for the zcore in the summary buffer.
253 Articles with scores closer than this to `gnus-summary-default-score'
254 will not be marked."
255 :group 'gnus-summary-format
256 :type 'integer)
258 (defcustom gnus-simplify-subject-fuzzy-regexp nil
259 "*Strings to be removed when doing fuzzy matches.
260 This can either be a regular expression or list of regular expressions
261 that will be removed from subject strings if fuzzy subject
262 simplification is selected."
263 :group 'gnus-thread
264 :type '(repeat regexp))
266 (defcustom gnus-show-threads t
267 "*If non-nil, display threads in summary mode."
268 :group 'gnus-thread
269 :type 'boolean)
271 (defcustom gnus-thread-hide-subtree nil
272 "*If non-nil, hide all threads initially.
273 This can be a predicate specifier which says which threads to hide.
274 If threads are hidden, you have to run the command
275 `gnus-summary-show-thread' by hand or select an article."
276 :group 'gnus-thread
277 :type '(radio (sexp :format "Non-nil\n"
278 :match (lambda (widget value)
279 (not (or (consp value) (functionp value))))
280 :value t)
281 (const nil)
282 (sexp :tag "Predicate specifier")))
284 (defcustom gnus-thread-hide-killed t
285 "*If non-nil, hide killed threads automatically."
286 :group 'gnus-thread
287 :type 'boolean)
289 (defcustom gnus-thread-ignore-subject t
290 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
291 If nil, articles that have different subjects from their parents will
292 start separate threads."
293 :group 'gnus-thread
294 :type 'boolean)
296 (defcustom gnus-thread-operation-ignore-subject t
297 "*If non-nil, subjects will be ignored when doing thread commands.
298 This affects commands like `gnus-summary-kill-thread' and
299 `gnus-summary-lower-thread'.
301 If this variable is nil, articles in the same thread with different
302 subjects will not be included in the operation in question. If this
303 variable is `fuzzy', only articles that have subjects that are fuzzily
304 equal will be included."
305 :group 'gnus-thread
306 :type '(choice (const :tag "off" nil)
307 (const fuzzy)
308 (sexp :tag "on" t)))
310 (defcustom gnus-thread-indent-level 4
311 "*Number that says how much each sub-thread should be indented."
312 :group 'gnus-thread
313 :type 'integer)
315 (defcustom gnus-auto-extend-newsgroup t
316 "*If non-nil, extend newsgroup forward and backward when requested."
317 :group 'gnus-summary-choose
318 :type 'boolean)
320 (defcustom gnus-auto-select-first t
321 "If non-nil, select an article on group entry.
322 An article is selected automatically when entering a group
323 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
324 `gnus-summary-catchup-and-goto-next-group'.
326 Which article is selected is controlled by the variable
327 `gnus-auto-select-subject'.
329 If you want to prevent automatic selection of articles in some
330 newsgroups, set the variable to nil in `gnus-select-group-hook'."
331 ;; Commands include...
332 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
333 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
334 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
335 :group 'gnus-group-select
336 :type '(choice (const :tag "none" nil)
337 (sexp :menu-tag "first" t)))
339 (defcustom gnus-auto-select-subject 'unread
340 "*Says what subject to place under point when entering a group.
342 This variable can either be the symbols `first' (place point on the
343 first subject), `unread' (place point on the subject line of the first
344 unread article), `best' (place point on the subject line of the
345 higest-scored article), `unseen' (place point on the subject line of
346 the first unseen article), `unseen-or-unread' (place point on the subject
347 line of the first unseen article or, if all article have been seen, on the
348 subject line of the first unread article), or a function to be called to
349 place point on some subject line."
350 :version "22.1"
351 :group 'gnus-group-select
352 :type '(choice (const best)
353 (const unread)
354 (const first)
355 (const unseen)
356 (const unseen-or-unread)))
358 (defcustom gnus-auto-select-next t
359 "*If non-nil, offer to go to the next group from the end of the previous.
360 If the value is t and the next newsgroup is empty, Gnus will exit
361 summary mode and go back to group mode. If the value is neither nil
362 nor t, Gnus will select the following unread newsgroup. In
363 particular, if the value is the symbol `quietly', the next unread
364 newsgroup will be selected without any confirmation, and if it is
365 `almost-quietly', the next group will be selected without any
366 confirmation if you are located on the last article in the group.
367 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
368 will go to the next group without confirmation."
369 :group 'gnus-summary-maneuvering
370 :type '(choice (const :tag "off" nil)
371 (const quietly)
372 (const almost-quietly)
373 (const slightly-quietly)
374 (sexp :menu-tag "on" t)))
376 (defcustom gnus-auto-select-same nil
377 "*If non-nil, select the next article with the same subject.
378 If there are no more articles with the same subject, go to
379 the first unread article."
380 :group 'gnus-summary-maneuvering
381 :type 'boolean)
383 (defcustom gnus-auto-select-on-ephemeral-exit 'next-noselect
384 "What article should be selected after exiting an ephemeral group.
385 Valid values include:
387 `next'
388 Select the next article.
389 `next-unread'
390 Select the next unread article.
391 `next-noselect'
392 Move the cursor to the next article. This is the default.
393 `next-unread-noselect'
394 Move the cursor to the next unread article.
396 If it has any other value or there is no next (unread) article, the
397 article selected before entering to the ephemeral group will appear."
398 :version "23.0" ;; No Gnus
399 :group 'gnus-summary-maneuvering
400 :type '(choice :format "%{%t%}:\n %[Value Menu%] %v"
401 (const next) (const next-unread)
402 (const next-noselect) (const next-unread-noselect)
403 (sexp :tag "other" :value nil)))
405 (defcustom gnus-auto-goto-ignores 'unfetched
406 "*Says how to handle unfetched articles when maneuvering.
408 This variable can either be the symbols nil (maneuver to any
409 article), `undownloaded' (maneuvering while unplugged ignores articles
410 that have not been fetched), `always-undownloaded' (maneuvering always
411 ignores articles that have not been fetched), `unfetched' (maneuvering
412 ignores articles whose headers have not been fetched).
414 NOTE: The list of unfetched articles will always be nil when plugged
415 and, when unplugged, a subset of the undownloaded article list."
416 :version "22.1"
417 :group 'gnus-summary-maneuvering
418 :type '(choice (const :tag "None" nil)
419 (const :tag "Undownloaded when unplugged" undownloaded)
420 (const :tag "Undownloaded" always-undownloaded)
421 (const :tag "Unfetched" unfetched)))
423 (defcustom gnus-summary-check-current nil
424 "*If non-nil, consider the current article when moving.
425 The \"unread\" movement commands will stay on the same line if the
426 current article is unread."
427 :group 'gnus-summary-maneuvering
428 :type 'boolean)
430 (defcustom gnus-auto-center-summary 2
431 "*If non-nil, always center the current summary buffer.
432 In particular, if `vertical' do only vertical recentering. If non-nil
433 and non-`vertical', do both horizontal and vertical recentering."
434 :group 'gnus-summary-maneuvering
435 :type '(choice (const :tag "none" nil)
436 (const vertical)
437 (integer :tag "height")
438 (sexp :menu-tag "both" t)))
440 (defvar gnus-auto-center-group t
441 "*If non-nil, always center the group buffer.")
443 (defcustom gnus-show-all-headers nil
444 "*If non-nil, don't hide any headers."
445 :group 'gnus-article-hiding
446 :group 'gnus-article-headers
447 :type 'boolean)
449 (defcustom gnus-summary-ignore-duplicates nil
450 "*If non-nil, ignore articles with identical Message-ID headers."
451 :group 'gnus-summary
452 :type 'boolean)
454 (defcustom gnus-single-article-buffer t
455 "*If non-nil, display all articles in the same buffer.
456 If nil, each group will get its own article buffer."
457 :group 'gnus-article-various
458 :type 'boolean)
460 (defcustom gnus-break-pages t
461 "*If non-nil, do page breaking on articles.
462 The page delimiter is specified by the `gnus-page-delimiter'
463 variable."
464 :group 'gnus-article-various
465 :type 'boolean)
467 (defcustom gnus-move-split-methods nil
468 "*Variable used to suggest where articles are to be moved to.
469 It uses the same syntax as the `gnus-split-methods' variable.
470 However, whereas `gnus-split-methods' specifies file names as targets,
471 this variable specifies group names."
472 :group 'gnus-summary-mail
473 :type '(repeat (choice (list :value (fun) function)
474 (cons :value ("" "") regexp (repeat string))
475 (sexp :value nil))))
477 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
478 "Function used to compute default prefix for article move/copy/etc prompts.
479 The function should take one argument, a group name, and return a
480 string with the suggested prefix."
481 :group 'gnus-summary-mail
482 :type 'function)
484 ;; FIXME: Although the custom type is `character' for the following variables,
485 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
487 (defcustom gnus-unread-mark ? ;Whitespace
488 "*Mark used for unread articles."
489 :group 'gnus-summary-marks
490 :type 'character)
492 (defcustom gnus-ticked-mark ?!
493 "*Mark used for ticked articles."
494 :group 'gnus-summary-marks
495 :type 'character)
497 (defcustom gnus-dormant-mark ??
498 "*Mark used for dormant articles."
499 :group 'gnus-summary-marks
500 :type 'character)
502 (defcustom gnus-del-mark ?r
503 "*Mark used for del'd articles."
504 :group 'gnus-summary-marks
505 :type 'character)
507 (defcustom gnus-read-mark ?R
508 "*Mark used for read articles."
509 :group 'gnus-summary-marks
510 :type 'character)
512 (defcustom gnus-expirable-mark ?E
513 "*Mark used for expirable articles."
514 :group 'gnus-summary-marks
515 :type 'character)
517 (defcustom gnus-killed-mark ?K
518 "*Mark used for killed articles."
519 :group 'gnus-summary-marks
520 :type 'character)
522 (defcustom gnus-spam-mark ?$
523 "*Mark used for spam articles."
524 :version "22.1"
525 :group 'gnus-summary-marks
526 :type 'character)
528 (defcustom gnus-souped-mark ?F
529 "*Mark used for souped articles."
530 :group 'gnus-summary-marks
531 :type 'character)
533 (defcustom gnus-kill-file-mark ?X
534 "*Mark used for articles killed by kill files."
535 :group 'gnus-summary-marks
536 :type 'character)
538 (defcustom gnus-low-score-mark ?Y
539 "*Mark used for articles with a low score."
540 :group 'gnus-summary-marks
541 :type 'character)
543 (defcustom gnus-catchup-mark ?C
544 "*Mark used for articles that are caught up."
545 :group 'gnus-summary-marks
546 :type 'character)
548 (defcustom gnus-replied-mark ?A
549 "*Mark used for articles that have been replied to."
550 :group 'gnus-summary-marks
551 :type 'character)
553 (defcustom gnus-forwarded-mark ?F
554 "*Mark used for articles that have been forwarded."
555 :version "22.1"
556 :group 'gnus-summary-marks
557 :type 'character)
559 (defcustom gnus-recent-mark ?N
560 "*Mark used for articles that are recent."
561 :version "22.1"
562 :group 'gnus-summary-marks
563 :type 'character)
565 (defcustom gnus-cached-mark ?*
566 "*Mark used for articles that are in the cache."
567 :group 'gnus-summary-marks
568 :type 'character)
570 (defcustom gnus-saved-mark ?S
571 "*Mark used for articles that have been saved."
572 :group 'gnus-summary-marks
573 :type 'character)
575 (defcustom gnus-unseen-mark ?.
576 "*Mark used for articles that haven't been seen."
577 :version "22.1"
578 :group 'gnus-summary-marks
579 :type 'character)
581 (defcustom gnus-no-mark ? ;Whitespace
582 "*Mark used for articles that have no other secondary mark."
583 :version "22.1"
584 :group 'gnus-summary-marks
585 :type 'character)
587 (defcustom gnus-ancient-mark ?O
588 "*Mark used for ancient articles."
589 :group 'gnus-summary-marks
590 :type 'character)
592 (defcustom gnus-sparse-mark ?Q
593 "*Mark used for sparsely reffed articles."
594 :group 'gnus-summary-marks
595 :type 'character)
597 (defcustom gnus-canceled-mark ?G
598 "*Mark used for canceled articles."
599 :group 'gnus-summary-marks
600 :type 'character)
602 (defcustom gnus-duplicate-mark ?M
603 "*Mark used for duplicate articles."
604 :group 'gnus-summary-marks
605 :type 'character)
607 (defcustom gnus-undownloaded-mark ?-
608 "*Mark used for articles that weren't downloaded."
609 :version "22.1"
610 :group 'gnus-summary-marks
611 :type 'character)
613 (defcustom gnus-downloaded-mark ?+
614 "*Mark used for articles that were downloaded."
615 :group 'gnus-summary-marks
616 :type 'character)
618 (defcustom gnus-downloadable-mark ?%
619 "*Mark used for articles that are to be downloaded."
620 :group 'gnus-summary-marks
621 :type 'character)
623 (defcustom gnus-unsendable-mark ?=
624 "*Mark used for articles that won't be sent."
625 :group 'gnus-summary-marks
626 :type 'character)
628 (defcustom gnus-score-over-mark ?+
629 "*Score mark used for articles with high scores."
630 :group 'gnus-summary-marks
631 :type 'character)
633 (defcustom gnus-score-below-mark ?-
634 "*Score mark used for articles with low scores."
635 :group 'gnus-summary-marks
636 :type 'character)
638 (defcustom gnus-empty-thread-mark ? ;Whitespace
639 "*There is no thread under the article."
640 :group 'gnus-summary-marks
641 :type 'character)
643 (defcustom gnus-not-empty-thread-mark ?=
644 "*There is a thread under the article."
645 :group 'gnus-summary-marks
646 :type 'character)
648 (defcustom gnus-view-pseudo-asynchronously nil
649 "*If non-nil, Gnus will view pseudo-articles asynchronously."
650 :group 'gnus-extract-view
651 :type 'boolean)
653 (defcustom gnus-auto-expirable-marks
654 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
655 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
656 gnus-souped-mark gnus-duplicate-mark)
657 "*The list of marks converted into expiration if a group is auto-expirable."
658 :version "21.1"
659 :group 'gnus-summary
660 :type '(repeat character))
662 (defcustom gnus-inhibit-user-auto-expire t
663 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
664 :version "21.1"
665 :group 'gnus-summary
666 :type 'boolean)
668 (defcustom gnus-view-pseudos nil
669 "*If `automatic', pseudo-articles will be viewed automatically.
670 If `not-confirm', pseudos will be viewed automatically, and the user
671 will not be asked to confirm the command."
672 :group 'gnus-extract-view
673 :type '(choice (const :tag "off" nil)
674 (const automatic)
675 (const not-confirm)))
677 (defcustom gnus-view-pseudos-separately t
678 "*If non-nil, one pseudo-article will be created for each file to be viewed.
679 If nil, all files that use the same viewing command will be given as a
680 list of parameters to that command."
681 :group 'gnus-extract-view
682 :type 'boolean)
684 (defcustom gnus-insert-pseudo-articles t
685 "*If non-nil, insert pseudo-articles when decoding articles."
686 :group 'gnus-extract-view
687 :type 'boolean)
689 (defcustom gnus-summary-dummy-line-format
690 " %(: :%) %S\n"
691 "*The format specification for the dummy roots in the summary buffer.
692 It works along the same lines as a normal formatting string,
693 with some simple extensions.
695 %S The subject
697 General format specifiers can also be used.
698 See `(gnus)Formatting Variables'."
699 :link '(custom-manual "(gnus)Formatting Variables")
700 :group 'gnus-threading
701 :type 'string)
703 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
704 "*The format specification for the summary mode line.
705 It works along the same lines as a normal formatting string,
706 with some simple extensions:
708 %G Group name
709 %p Unprefixed group name
710 %A Current article number
711 %z Current article score
712 %V Gnus version
713 %U Number of unread articles in the group
714 %e Number of unselected articles in the group
715 %Z A string with unread/unselected article counts
716 %g Shortish group name
717 %S Subject of the current article
718 %u User-defined spec
719 %s Current score file name
720 %d Number of dormant articles
721 %r Number of articles that have been marked as read in this session
722 %E Number of articles expunged by the score files"
723 :group 'gnus-summary-format
724 :type 'string)
726 (defcustom gnus-list-identifiers nil
727 "Regexp that matches list identifiers to be removed from subject.
728 This can also be a list of regexps."
729 :version "21.1"
730 :group 'gnus-summary-format
731 :group 'gnus-article-hiding
732 :type '(choice (const :tag "none" nil)
733 (regexp :value ".*")
734 (repeat :value (".*") regexp)))
736 (defcustom gnus-summary-mark-below 0
737 "*Mark all articles with a score below this variable as read.
738 This variable is local to each summary buffer and usually set by the
739 score file."
740 :group 'gnus-score-default
741 :type 'integer)
743 (defun gnus-widget-reversible-match (widget value)
744 "Ignoring WIDGET, convert VALUE to internal form.
745 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
746 ;; (debug value)
747 (or (symbolp value)
748 (and (listp value)
749 (eq (length value) 2)
750 (eq (nth 0 value) 'not)
751 (symbolp (nth 1 value)))))
753 (defun gnus-widget-reversible-to-internal (widget value)
754 "Ignoring WIDGET, convert VALUE to internal form.
755 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
756 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
757 ;; (debug value)
758 (if (atom value)
759 (list value nil)
760 (list (nth 1 value) t)))
762 (defun gnus-widget-reversible-to-external (widget value)
763 "Ignoring WIDGET, convert VALUE to external form.
764 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
765 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
766 ;; (debug value)
767 (if (nth 1 value)
768 (list 'not (nth 0 value))
769 (nth 0 value)))
771 (define-widget 'gnus-widget-reversible 'group
772 "A `group' that convert values."
773 :match 'gnus-widget-reversible-match
774 :value-to-internal 'gnus-widget-reversible-to-internal
775 :value-to-external 'gnus-widget-reversible-to-external)
777 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
778 "*List of functions used for sorting articles in the summary buffer.
780 Each function takes two articles and returns non-nil if the first
781 article should be sorted before the other. If you use more than one
782 function, the primary sort function should be the last. You should
783 probably always include `gnus-article-sort-by-number' in the list of
784 sorting functions -- preferably first. Also note that sorting by date
785 is often much slower than sorting by number, and the sorting order is
786 very similar. (Sorting by date means sorting by the time the message
787 was sent, sorting by number means sorting by arrival time.)
789 Each item can also be a list `(not F)' where F is a function;
790 this reverses the sort order.
792 Ready-made functions include `gnus-article-sort-by-number',
793 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
794 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
795 and `gnus-article-sort-by-score'.
797 When threading is turned on, the variable `gnus-thread-sort-functions'
798 controls how articles are sorted."
799 :group 'gnus-summary-sort
800 :type '(repeat (gnus-widget-reversible
801 (choice (function-item gnus-article-sort-by-number)
802 (function-item gnus-article-sort-by-author)
803 (function-item gnus-article-sort-by-subject)
804 (function-item gnus-article-sort-by-date)
805 (function-item gnus-article-sort-by-score)
806 (function-item gnus-article-sort-by-random)
807 (function :tag "other"))
808 (boolean :tag "Reverse order"))))
811 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
812 "*List of functions used for sorting threads in the summary buffer.
813 By default, threads are sorted by article number.
815 Each function takes two threads and returns non-nil if the first
816 thread should be sorted before the other. If you use more than one
817 function, the primary sort function should be the last. You should
818 probably always include `gnus-thread-sort-by-number' in the list of
819 sorting functions -- preferably first. Also note that sorting by date
820 is often much slower than sorting by number, and the sorting order is
821 very similar. (Sorting by date means sorting by the time the message
822 was sent, sorting by number means sorting by arrival time.)
824 Each list item can also be a list `(not F)' where F is a
825 function; this specifies reversed sort order.
827 Ready-made functions include `gnus-thread-sort-by-number',
828 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
829 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
830 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
831 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
832 and `gnus-thread-sort-by-total-score' (see
833 `gnus-thread-score-function').
835 When threading is turned off, the variable
836 `gnus-article-sort-functions' controls how articles are sorted."
837 :group 'gnus-summary-sort
838 :type '(repeat
839 (gnus-widget-reversible
840 (choice (function-item gnus-thread-sort-by-number)
841 (function-item gnus-thread-sort-by-author)
842 (function-item gnus-thread-sort-by-recipient)
843 (function-item gnus-thread-sort-by-subject)
844 (function-item gnus-thread-sort-by-date)
845 (function-item gnus-thread-sort-by-score)
846 (function-item gnus-thread-sort-by-most-recent-number)
847 (function-item gnus-thread-sort-by-most-recent-date)
848 (function-item gnus-thread-sort-by-random)
849 (function-item gnus-thread-sort-by-total-score)
850 (function :tag "other"))
851 (boolean :tag "Reverse order"))))
853 (defcustom gnus-thread-score-function '+
854 "*Function used for calculating the total score of a thread.
856 The function is called with the scores of the article and each
857 subthread and should then return the score of the thread.
859 Some functions you can use are `+', `max', or `min'."
860 :group 'gnus-summary-sort
861 :type 'function)
863 (defcustom gnus-summary-expunge-below nil
864 "All articles that have a score less than this variable will be expunged.
865 This variable is local to the summary buffers."
866 :group 'gnus-score-default
867 :type '(choice (const :tag "off" nil)
868 integer))
870 (defcustom gnus-thread-expunge-below nil
871 "All threads that have a total score less than this variable will be expunged.
872 See `gnus-thread-score-function' for en explanation of what a
873 \"thread score\" is.
875 This variable is local to the summary buffers."
876 :group 'gnus-threading
877 :group 'gnus-score-default
878 :type '(choice (const :tag "off" nil)
879 integer))
881 (defcustom gnus-summary-mode-hook nil
882 "*A hook for Gnus summary mode.
883 This hook is run before any variables are set in the summary buffer."
884 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
885 :group 'gnus-summary-various
886 :type 'hook)
888 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
889 (when (featurep 'xemacs)
890 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
891 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
892 (add-hook 'gnus-summary-mode-hook
893 'gnus-xmas-switch-horizontal-scrollbar-off))
895 (defcustom gnus-summary-menu-hook nil
896 "*Hook run after the creation of the summary mode menu."
897 :group 'gnus-summary-visual
898 :type 'hook)
900 (defcustom gnus-summary-exit-hook nil
901 "*A hook called on exit from the summary buffer.
902 It will be called with point in the group buffer."
903 :group 'gnus-summary-exit
904 :type 'hook)
906 (defcustom gnus-summary-prepare-hook nil
907 "*A hook called after the summary buffer has been generated.
908 If you want to modify the summary buffer, you can use this hook."
909 :group 'gnus-summary-various
910 :type 'hook)
912 (defcustom gnus-summary-prepared-hook nil
913 "*A hook called as the last thing after the summary buffer has been generated."
914 :group 'gnus-summary-various
915 :type 'hook)
917 (defcustom gnus-summary-generate-hook nil
918 "*A hook run just before generating the summary buffer.
919 This hook is commonly used to customize threading variables and the
920 like."
921 :group 'gnus-summary-various
922 :type 'hook)
924 (defcustom gnus-select-group-hook nil
925 "*A hook called when a newsgroup is selected.
927 If you'd like to simplify subjects like the
928 `gnus-summary-next-same-subject' command does, you can use the
929 following hook:
931 (add-hook gnus-select-group-hook
932 (lambda ()
933 (mapcar (lambda (header)
934 (mail-header-set-subject
935 header
936 (gnus-simplify-subject
937 (mail-header-subject header) 're-only)))
938 gnus-newsgroup-headers)))"
939 :group 'gnus-group-select
940 :type 'hook)
942 (defcustom gnus-select-article-hook nil
943 "*A hook called when an article is selected."
944 :group 'gnus-summary-choose
945 :options '(gnus-agent-fetch-selected-article)
946 :type 'hook)
948 (defcustom gnus-visual-mark-article-hook
949 (list 'gnus-highlight-selected-summary)
950 "*Hook run after selecting an article in the summary buffer.
951 It is meant to be used for highlighting the article in some way. It
952 is not run if `gnus-visual' is nil."
953 :group 'gnus-summary-visual
954 :type 'hook)
956 (defcustom gnus-parse-headers-hook nil
957 "*A hook called before parsing the headers."
958 :group 'gnus-various
959 :type 'hook)
961 (defcustom gnus-exit-group-hook nil
962 "*A hook called when exiting summary mode.
963 This hook is not called from the non-updating exit commands like `Q'."
964 :group 'gnus-various
965 :type 'hook)
967 (defcustom gnus-summary-update-hook
968 (list 'gnus-summary-highlight-line)
969 "*A hook called when a summary line is changed.
970 The hook will not be called if `gnus-visual' is nil.
972 The default function `gnus-summary-highlight-line' will
973 highlight the line according to the `gnus-summary-highlight'
974 variable."
975 :group 'gnus-summary-visual
976 :type 'hook)
978 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
979 "*A hook called when an article is selected for the first time.
980 The hook is intended to mark an article as read (or unread)
981 automatically when it is selected."
982 :group 'gnus-summary-choose
983 :type 'hook)
985 (defcustom gnus-group-no-more-groups-hook nil
986 "*A hook run when returning to group mode having no more (unread) groups."
987 :group 'gnus-group-select
988 :type 'hook)
990 (defcustom gnus-ps-print-hook nil
991 "*A hook run before ps-printing something from Gnus."
992 :group 'gnus-summary
993 :type 'hook)
995 (defcustom gnus-summary-article-move-hook nil
996 "*A hook called after an article is moved, copied, respooled, or crossposted."
997 :version "22.1"
998 :group 'gnus-summary
999 :type 'hook)
1001 (defcustom gnus-summary-article-delete-hook nil
1002 "*A hook called after an article is deleted."
1003 :version "22.1"
1004 :group 'gnus-summary
1005 :type 'hook)
1007 (defcustom gnus-summary-article-expire-hook nil
1008 "*A hook called after an article is expired."
1009 :version "22.1"
1010 :group 'gnus-summary
1011 :type 'hook)
1013 (defcustom gnus-summary-display-arrow
1014 (and (fboundp 'display-graphic-p)
1015 (display-graphic-p))
1016 "*If non-nil, display an arrow highlighting the current article."
1017 :version "22.1"
1018 :group 'gnus-summary
1019 :type 'boolean)
1021 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1022 "Face used for highlighting the current article in the summary buffer."
1023 :group 'gnus-summary-visual
1024 :type 'face)
1026 (defvar gnus-tmp-downloaded nil)
1028 (defcustom gnus-summary-highlight
1029 '(((eq mark gnus-canceled-mark)
1030 . gnus-summary-cancelled)
1031 ((and uncached (> score default-high))
1032 . gnus-summary-high-undownloaded)
1033 ((and uncached (< score default-low))
1034 . gnus-summary-low-undownloaded)
1035 (uncached
1036 . gnus-summary-normal-undownloaded)
1037 ((and (> score default-high)
1038 (or (eq mark gnus-dormant-mark)
1039 (eq mark gnus-ticked-mark)))
1040 . gnus-summary-high-ticked)
1041 ((and (< score default-low)
1042 (or (eq mark gnus-dormant-mark)
1043 (eq mark gnus-ticked-mark)))
1044 . gnus-summary-low-ticked)
1045 ((or (eq mark gnus-dormant-mark)
1046 (eq mark gnus-ticked-mark))
1047 . gnus-summary-normal-ticked)
1048 ((and (> score default-high) (eq mark gnus-ancient-mark))
1049 . gnus-summary-high-ancient)
1050 ((and (< score default-low) (eq mark gnus-ancient-mark))
1051 . gnus-summary-low-ancient)
1052 ((eq mark gnus-ancient-mark)
1053 . gnus-summary-normal-ancient)
1054 ((and (> score default-high) (eq mark gnus-unread-mark))
1055 . gnus-summary-high-unread)
1056 ((and (< score default-low) (eq mark gnus-unread-mark))
1057 . gnus-summary-low-unread)
1058 ((eq mark gnus-unread-mark)
1059 . gnus-summary-normal-unread)
1060 ((> score default-high)
1061 . gnus-summary-high-read)
1062 ((< score default-low)
1063 . gnus-summary-low-read)
1065 . gnus-summary-normal-read))
1066 "*Controls the highlighting of summary buffer lines.
1068 A list of (FORM . FACE) pairs. When deciding how a particular
1069 summary line should be displayed, each form is evaluated. The content
1070 of the face field after the first true form is used. You can change
1071 how those summary lines are displayed, by editing the face field.
1073 You can use the following variables in the FORM field.
1075 score: The article's score.
1076 default: The default article score.
1077 default-high: The default score for high scored articles.
1078 default-low: The default score for low scored articles.
1079 below: The score below which articles are automatically marked as read.
1080 mark: The article's mark.
1081 uncached: Non-nil if the article is uncached."
1082 :group 'gnus-summary-visual
1083 :type '(repeat (cons (sexp :tag "Form" nil)
1084 face)))
1085 (put 'gnus-summary-highlight 'risky-local-variable t)
1087 (defcustom gnus-alter-header-function nil
1088 "Function called to allow alteration of article header structures.
1089 The function is called with one parameter, the article header vector,
1090 which it may alter in any way."
1091 :type '(choice (const :tag "None" nil)
1092 function)
1093 :group 'gnus-summary)
1095 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1096 "Function used to decode a string with encoded words.")
1098 (defvar gnus-decode-encoded-address-function
1099 'mail-decode-encoded-address-string
1100 "Function used to decode addresses with encoded words.")
1102 (defcustom gnus-extra-headers '(To Newsgroups)
1103 "*Extra headers to parse."
1104 :version "21.1"
1105 :group 'gnus-summary
1106 :type '(repeat symbol))
1108 (defcustom gnus-ignored-from-addresses
1109 (and user-mail-address
1110 (not (string= user-mail-address ""))
1111 (regexp-quote user-mail-address))
1112 "*From headers that may be suppressed in favor of To headers.
1113 This can be a regexp or a list of regexps."
1114 :version "21.1"
1115 :group 'gnus-summary
1116 :type '(choice regexp
1117 (repeat :tag "Regexp List" regexp)))
1119 (defsubst gnus-ignored-from-addresses ()
1120 (gmm-regexp-concat gnus-ignored-from-addresses))
1122 (defcustom gnus-summary-to-prefix "-> "
1123 "*String prefixed to the To field in the summary line when
1124 using `gnus-ignored-from-addresses'."
1125 :version "22.1"
1126 :group 'gnus-summary
1127 :type 'string)
1129 (defcustom gnus-summary-newsgroup-prefix "=> "
1130 "*String prefixed to the Newsgroup field in the summary
1131 line when using `gnus-ignored-from-addresses'."
1132 :version "22.1"
1133 :group 'gnus-summary
1134 :type 'string)
1136 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1137 "List of charsets that should be ignored.
1138 When these charsets are used in the \"charset\" parameter, the
1139 default charset will be used instead."
1140 :version "21.1"
1141 :type '(repeat symbol)
1142 :group 'gnus-charset)
1144 (defcustom gnus-newsgroup-maximum-articles nil
1145 "The maximum number of articles a newsgroup.
1146 If this is a number, old articles in a newsgroup exceeding this number
1147 are silently ignored. If it is nil, no article is ignored. Note that
1148 setting this variable to a number might prevent you from reading very
1149 old articles."
1150 :group 'gnus-group-select
1151 :version "22.2"
1152 :type '(choice (const :tag "No limit" nil)
1153 integer))
1155 (gnus-define-group-parameter
1156 ignored-charsets
1157 :type list
1158 :function-document
1159 "Return the ignored charsets of GROUP."
1160 :variable gnus-group-ignored-charsets-alist
1161 :variable-default
1162 '(("alt\\.chinese\\.text" iso-8859-1))
1163 :variable-document
1164 "Alist of regexps (to match group names) and charsets that should be ignored.
1165 When these charsets are used in the \"charset\" parameter, the
1166 default charset will be used instead."
1167 :variable-group gnus-charset
1168 :variable-type '(repeat (cons (regexp :tag "Group")
1169 (repeat symbol)))
1170 :parameter-type '(choice :tag "Ignored charsets"
1171 :value nil
1172 (repeat (symbol)))
1173 :parameter-document "\
1174 List of charsets that should be ignored.
1176 When these charsets are used in the \"charset\" parameter, the
1177 default charset will be used instead.")
1179 (defcustom gnus-group-highlight-words-alist nil
1180 "Alist of group regexps and highlight regexps.
1181 This variable uses the same syntax as `gnus-emphasis-alist'."
1182 :version "21.1"
1183 :type '(repeat (cons (regexp :tag "Group")
1184 (repeat (list (regexp :tag "Highlight regexp")
1185 (number :tag "Group for entire word" 0)
1186 (number :tag "Group for displayed part" 0)
1187 (symbol :tag "Face"
1188 gnus-emphasis-highlight-words)))))
1189 :group 'gnus-summary-visual)
1191 (defcustom gnus-summary-show-article-charset-alist
1193 "Alist of number and charset.
1194 The article will be shown with the charset corresponding to the
1195 numbered argument.
1196 For example: ((1 . cn-gb-2312) (2 . big5))."
1197 :version "21.1"
1198 :type '(repeat (cons (number :tag "Argument" 1)
1199 (symbol :tag "Charset")))
1200 :group 'gnus-charset)
1202 (defcustom gnus-preserve-marks t
1203 "Whether marks are preserved when moving, copying and respooling messages."
1204 :version "21.1"
1205 :type 'boolean
1206 :group 'gnus-summary-marks)
1208 (defcustom gnus-alter-articles-to-read-function nil
1209 "Function to be called to alter the list of articles to be selected."
1210 :type '(choice (const nil) function)
1211 :group 'gnus-summary)
1213 (defcustom gnus-orphan-score nil
1214 "*All orphans get this score added. Set in the score file."
1215 :group 'gnus-score-default
1216 :type '(choice (const nil)
1217 integer))
1219 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1220 "*A regexp to match MIME parts when saving multiple parts of a
1221 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1222 This regexp will be used by default when prompting the user for which
1223 type of files to save."
1224 :group 'gnus-summary
1225 :type 'regexp)
1227 (defcustom gnus-read-all-available-headers nil
1228 "Whether Gnus should parse all headers made available to it.
1229 This is mostly relevant for slow back ends where the user may
1230 wish to widen the summary buffer to include all headers
1231 that were fetched. Say, for nnultimate groups."
1232 :version "22.1"
1233 :group 'gnus-summary
1234 :type '(choice boolean regexp))
1236 (defcustom gnus-summary-muttprint-program "muttprint"
1237 "Command (and optional arguments) used to run Muttprint."
1238 :version "22.1"
1239 :group 'gnus-summary
1240 :type 'string)
1242 (defcustom gnus-article-loose-mime t
1243 "If non-nil, don't require MIME-Version header.
1244 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1245 supply the MIME-Version header or deliberately strip it from the mail.
1246 If non-nil (the default), Gnus will treat some articles as MIME
1247 even if the MIME-Version header is missing."
1248 :version "22.1"
1249 :type 'boolean
1250 :group 'gnus-article-mime)
1252 (defcustom gnus-article-emulate-mime t
1253 "If non-nil, use MIME emulation for uuencode and the like.
1254 This means that Gnus will search message bodies for text that look
1255 like uuencoded bits, yEncoded bits, and so on, and present that using
1256 the normal Gnus MIME machinery."
1257 :version "22.1"
1258 :type 'boolean
1259 :group 'gnus-article-mime)
1261 ;;; Internal variables
1263 (defvar gnus-summary-display-cache nil)
1264 (defvar gnus-article-mime-handles nil)
1265 (defvar gnus-article-decoded-p nil)
1266 (defvar gnus-article-charset nil)
1267 (defvar gnus-article-ignored-charsets nil)
1268 (defvar gnus-scores-exclude-files nil)
1269 (defvar gnus-page-broken nil)
1271 (defvar gnus-original-article nil)
1272 (defvar gnus-article-internal-prepare-hook nil)
1273 (defvar gnus-newsgroup-process-stack nil)
1275 (defvar gnus-thread-indent-array nil)
1276 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1277 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1278 "Function called to sort the articles within a thread after it has been gathered together.")
1280 (defvar gnus-summary-save-parts-type-history nil)
1281 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1283 ;; Avoid highlighting in kill files.
1284 (defvar gnus-summary-inhibit-highlight nil)
1285 (defvar gnus-newsgroup-selected-overlay nil)
1286 (defvar gnus-inhibit-limiting nil)
1287 (defvar gnus-newsgroup-adaptive-score-file nil)
1288 (defvar gnus-current-score-file nil)
1289 (defvar gnus-current-move-group nil)
1290 (defvar gnus-current-copy-group nil)
1291 (defvar gnus-current-crosspost-group nil)
1292 (defvar gnus-newsgroup-display nil)
1294 (defvar gnus-newsgroup-dependencies nil)
1295 (defvar gnus-newsgroup-adaptive nil)
1296 (defvar gnus-summary-display-article-function nil)
1297 (defvar gnus-summary-highlight-line-function nil
1298 "Function called after highlighting a summary line.")
1300 (defvar gnus-summary-line-format-alist
1301 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1302 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1303 (?s gnus-tmp-subject-or-nil ?s)
1304 (?n gnus-tmp-name ?s)
1305 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1307 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1308 gnus-tmp-from) ?s)
1309 (?F gnus-tmp-from ?s)
1310 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1311 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1312 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1313 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1314 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1315 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1316 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1317 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1318 (?L gnus-tmp-lines ?s)
1319 (?O gnus-tmp-downloaded ?c)
1320 (?I gnus-tmp-indentation ?s)
1321 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1322 (?R gnus-tmp-replied ?c)
1323 (?\[ gnus-tmp-opening-bracket ?c)
1324 (?\] gnus-tmp-closing-bracket ?c)
1325 (?\> (make-string gnus-tmp-level ? ) ?s)
1326 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1327 (?i gnus-tmp-score ?d)
1328 (?z gnus-tmp-score-char ?c)
1329 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1330 (?U gnus-tmp-unread ?c)
1331 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1333 (?t (gnus-summary-number-of-articles-in-thread
1334 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1336 (?e (gnus-summary-number-of-articles-in-thread
1337 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1339 (?u gnus-tmp-user-defined ?s)
1340 (?P (gnus-pick-line-number) ?d)
1341 (?B gnus-tmp-thread-tree-header-string ?s)
1342 (user-date (gnus-user-date
1343 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1344 "An alist of format specifications that can appear in summary lines.
1345 These are paired with what variables they correspond with, along with
1346 the type of the variable (string, integer, character, etc).")
1348 (defvar gnus-summary-dummy-line-format-alist
1349 `((?S gnus-tmp-subject ?s)
1350 (?N gnus-tmp-number ?d)
1351 (?u gnus-tmp-user-defined ?s)))
1353 (defvar gnus-summary-mode-line-format-alist
1354 `((?G gnus-tmp-group-name ?s)
1355 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1356 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1357 (?A gnus-tmp-article-number ?d)
1358 (?Z gnus-tmp-unread-and-unselected ?s)
1359 (?V gnus-version ?s)
1360 (?U gnus-tmp-unread-and-unticked ?d)
1361 (?S gnus-tmp-subject ?s)
1362 (?e gnus-tmp-unselected ?d)
1363 (?u gnus-tmp-user-defined ?s)
1364 (?d (length gnus-newsgroup-dormant) ?d)
1365 (?t (length gnus-newsgroup-marked) ?d)
1366 (?h (length gnus-newsgroup-spam-marked) ?d)
1367 (?r (length gnus-newsgroup-reads) ?d)
1368 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1369 (?E gnus-newsgroup-expunged-tally ?d)
1370 (?s (gnus-current-score-file-nondirectory) ?s)))
1372 (defvar gnus-last-search-regexp nil
1373 "Default regexp for article search command.")
1375 (defvar gnus-last-shell-command nil
1376 "Default shell command on article.")
1378 (defvar gnus-newsgroup-agentized nil
1379 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1380 (defvar gnus-newsgroup-begin nil)
1381 (defvar gnus-newsgroup-end nil)
1382 (defvar gnus-newsgroup-last-rmail nil)
1383 (defvar gnus-newsgroup-last-mail nil)
1384 (defvar gnus-newsgroup-last-folder nil)
1385 (defvar gnus-newsgroup-last-file nil)
1386 (defvar gnus-newsgroup-last-directory nil)
1387 (defvar gnus-newsgroup-auto-expire nil)
1388 (defvar gnus-newsgroup-active nil)
1390 (defvar gnus-newsgroup-data nil)
1391 (defvar gnus-newsgroup-data-reverse nil)
1392 (defvar gnus-newsgroup-limit nil)
1393 (defvar gnus-newsgroup-limits nil)
1394 (defvar gnus-summary-use-undownloaded-faces nil)
1396 (defvar gnus-newsgroup-unreads nil
1397 "Sorted list of unread articles in the current newsgroup.")
1399 (defvar gnus-newsgroup-unselected nil
1400 "Sorted list of unselected unread articles in the current newsgroup.")
1402 (defvar gnus-newsgroup-reads nil
1403 "Alist of read articles and article marks in the current newsgroup.")
1405 (defvar gnus-newsgroup-expunged-tally nil)
1407 (defvar gnus-newsgroup-marked nil
1408 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1410 (defvar gnus-newsgroup-spam-marked nil
1411 "List of ranges of articles that have been marked as spam.")
1413 (defvar gnus-newsgroup-killed nil
1414 "List of ranges of articles that have been through the scoring process.")
1416 (defvar gnus-newsgroup-cached nil
1417 "Sorted list of articles that come from the article cache.")
1419 (defvar gnus-newsgroup-saved nil
1420 "List of articles that have been saved.")
1422 (defvar gnus-newsgroup-kill-headers nil)
1424 (defvar gnus-newsgroup-replied nil
1425 "List of articles that have been replied to in the current newsgroup.")
1427 (defvar gnus-newsgroup-forwarded nil
1428 "List of articles that have been forwarded in the current newsgroup.")
1430 (defvar gnus-newsgroup-recent nil
1431 "List of articles that have are recent in the current newsgroup.")
1433 (defvar gnus-newsgroup-expirable nil
1434 "Sorted list of articles in the current newsgroup that can be expired.")
1436 (defvar gnus-newsgroup-processable nil
1437 "List of articles in the current newsgroup that can be processed.")
1439 (defvar gnus-newsgroup-downloadable nil
1440 "Sorted list of articles in the current newsgroup that can be processed.")
1442 (defvar gnus-newsgroup-unfetched nil
1443 "Sorted list of articles in the current newsgroup whose headers have
1444 not been fetched into the agent.
1446 This list will always be a subset of gnus-newsgroup-undownloaded.")
1448 (defvar gnus-newsgroup-undownloaded nil
1449 "List of articles in the current newsgroup that haven't been downloaded.")
1451 (defvar gnus-newsgroup-unsendable nil
1452 "List of articles in the current newsgroup that won't be sent.")
1454 (defvar gnus-newsgroup-bookmarks nil
1455 "List of articles in the current newsgroup that have bookmarks.")
1457 (defvar gnus-newsgroup-dormant nil
1458 "Sorted list of dormant articles in the current newsgroup.")
1460 (defvar gnus-newsgroup-unseen nil
1461 "List of unseen articles in the current newsgroup.")
1463 (defvar gnus-newsgroup-seen nil
1464 "Range of seen articles in the current newsgroup.")
1466 (defvar gnus-newsgroup-articles nil
1467 "List of articles in the current newsgroup.")
1469 (defvar gnus-newsgroup-scored nil
1470 "List of scored articles in the current newsgroup.")
1472 (defvar gnus-newsgroup-headers nil
1473 "List of article headers in the current newsgroup.")
1475 (defvar gnus-newsgroup-threads nil)
1477 (defvar gnus-newsgroup-prepared nil
1478 "Whether the current group has been prepared properly.")
1480 (defvar gnus-newsgroup-ancient nil
1481 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1483 (defvar gnus-newsgroup-sparse nil)
1485 (defvar gnus-current-article nil)
1486 (defvar gnus-article-current nil)
1487 (defvar gnus-current-headers nil)
1488 (defvar gnus-have-all-headers nil)
1489 (defvar gnus-last-article nil)
1490 (defvar gnus-newsgroup-history nil)
1491 (defvar gnus-newsgroup-charset nil)
1492 (defvar gnus-newsgroup-ephemeral-charset nil)
1493 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1495 (defvar gnus-article-before-search nil)
1497 (defvar gnus-summary-local-variables
1498 '(gnus-newsgroup-name
1499 gnus-newsgroup-begin gnus-newsgroup-end
1500 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1501 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1502 gnus-newsgroup-last-directory
1503 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1504 gnus-newsgroup-unselected gnus-newsgroup-marked
1505 gnus-newsgroup-spam-marked
1506 gnus-newsgroup-reads gnus-newsgroup-saved
1507 gnus-newsgroup-replied gnus-newsgroup-forwarded
1508 gnus-newsgroup-recent
1509 gnus-newsgroup-expirable
1510 gnus-newsgroup-processable gnus-newsgroup-killed
1511 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1512 gnus-newsgroup-unfetched
1513 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1514 gnus-newsgroup-seen gnus-newsgroup-articles
1515 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1516 gnus-newsgroup-headers gnus-newsgroup-threads
1517 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1518 gnus-current-article gnus-current-headers gnus-have-all-headers
1519 gnus-last-article gnus-article-internal-prepare-hook
1520 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1521 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1522 gnus-thread-expunge-below
1523 gnus-score-alist gnus-current-score-file
1524 (gnus-summary-expunge-below . global)
1525 (gnus-summary-mark-below . global)
1526 (gnus-orphan-score . global)
1527 gnus-newsgroup-active gnus-scores-exclude-files
1528 gnus-newsgroup-history gnus-newsgroup-ancient
1529 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1530 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1531 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1532 (gnus-newsgroup-expunged-tally . 0)
1533 gnus-cache-removable-articles gnus-newsgroup-cached
1534 gnus-newsgroup-data gnus-newsgroup-data-reverse
1535 gnus-newsgroup-limit gnus-newsgroup-limits
1536 gnus-newsgroup-charset gnus-newsgroup-display
1537 gnus-summary-use-undownloaded-faces)
1538 "Variables that are buffer-local to the summary buffers.")
1540 (defvar gnus-newsgroup-variables nil
1541 "A list of variables that have separate values in different newsgroups.
1542 A list of newsgroup (summary buffer) local variables, or cons of
1543 variables and their default expressions to be evalled (when the default
1544 values are not nil), that should be made global while the summary buffer
1545 is active.
1547 Note: The default expressions will be evaluated (using function `eval')
1548 before assignment to the local variable rather than just assigned to it.
1549 If the default expression is the symbol `global', that symbol will not
1550 be evaluated but the global value of the local variable will be used
1551 instead.
1553 These variables can be used to set variables in the group parameters
1554 while still allowing them to affect operations done in other buffers.
1555 For example:
1557 \(setq gnus-newsgroup-variables
1558 '(message-use-followup-to
1559 (gnus-visible-headers .
1560 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1563 ;; Byte-compiler warning.
1564 (eval-when-compile
1565 ;; Bind features so that require will believe that gnus-sum has
1566 ;; already been loaded (avoids infinite recursion)
1567 (let ((features (cons 'gnus-sum features)))
1568 ;; Several of the declarations in gnus-sum are needed to load the
1569 ;; following files. Right now, these definitions have been
1570 ;; compiled but not defined (evaluated). We could either do a
1571 ;; eval-and-compile about all of the declarations or evaluate the
1572 ;; source file.
1573 (if (boundp 'gnus-newsgroup-variables)
1575 (load "gnus-sum.el" t t t))
1576 (require 'gnus)
1577 (require 'gnus-art)))
1579 ;; MIME stuff.
1581 (defvar gnus-decode-encoded-word-methods
1582 '(mail-decode-encoded-word-string)
1583 "List of methods used to decode encoded words.
1585 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1586 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1587 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1588 whose names match REGEXP.
1590 For example:
1591 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1592 mail-decode-encoded-word-string
1593 (\"chinese\" . rfc1843-decode-string))")
1595 (defvar gnus-decode-encoded-word-methods-cache nil)
1597 (defun gnus-multi-decode-encoded-word-string (string)
1598 "Apply the functions from `gnus-encoded-word-methods' that match."
1599 (unless (and gnus-decode-encoded-word-methods-cache
1600 (eq gnus-newsgroup-name
1601 (car gnus-decode-encoded-word-methods-cache)))
1602 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1603 (dolist (method gnus-decode-encoded-word-methods)
1604 (if (symbolp method)
1605 (nconc gnus-decode-encoded-word-methods-cache (list method))
1606 (if (and gnus-newsgroup-name
1607 (string-match (car method) gnus-newsgroup-name))
1608 (nconc gnus-decode-encoded-word-methods-cache
1609 (list (cdr method)))))))
1610 (dolist (method (cdr gnus-decode-encoded-word-methods-cache) string)
1611 (setq string (funcall method string))))
1613 ;; Subject simplification.
1615 (defun gnus-simplify-whitespace (str)
1616 "Remove excessive whitespace from STR."
1617 ;; Multiple spaces.
1618 (while (string-match "[ \t][ \t]+" str)
1619 (setq str (concat (substring str 0 (match-beginning 0))
1621 (substring str (match-end 0)))))
1622 ;; Leading spaces.
1623 (when (string-match "^[ \t]+" str)
1624 (setq str (substring str (match-end 0))))
1625 ;; Trailing spaces.
1626 (when (string-match "[ \t]+$" str)
1627 (setq str (substring str 0 (match-beginning 0))))
1628 str)
1630 (defun gnus-simplify-all-whitespace (str)
1631 "Remove all whitespace from STR."
1632 (while (string-match "[ \t\n]+" str)
1633 (setq str (replace-match "" nil nil str)))
1634 str)
1636 (defsubst gnus-simplify-subject-re (subject)
1637 "Remove \"Re:\" from subject lines."
1638 (if (string-match message-subject-re-regexp subject)
1639 (substring subject (match-end 0))
1640 subject))
1642 (defun gnus-simplify-subject (subject &optional re-only)
1643 "Remove `Re:' and words in parentheses.
1644 If RE-ONLY is non-nil, strip leading `Re:'s only."
1645 (let ((case-fold-search t)) ;Ignore case.
1646 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1647 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1648 (setq subject (substring subject (match-end 0))))
1649 ;; Remove uninteresting prefixes.
1650 (when (and (not re-only)
1651 gnus-simplify-ignored-prefixes
1652 (string-match gnus-simplify-ignored-prefixes subject))
1653 (setq subject (substring subject (match-end 0))))
1654 ;; Remove words in parentheses from end.
1655 (unless re-only
1656 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1657 (setq subject (substring subject 0 (match-beginning 0)))))
1658 ;; Return subject string.
1659 subject))
1661 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1662 ;; all whitespace.
1663 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1664 (goto-char (point-min))
1665 (while (re-search-forward regexp nil t)
1666 (replace-match (or newtext ""))))
1668 (defun gnus-simplify-buffer-fuzzy ()
1669 "Simplify string in the buffer fuzzily.
1670 The string in the accessible portion of the current buffer is simplified.
1671 It is assumed to be a single-line subject.
1672 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1673 matter is removed. Additional things can be deleted by setting
1674 `gnus-simplify-subject-fuzzy-regexp'."
1675 (let ((case-fold-search t)
1676 (modified-tick))
1677 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1679 (while (not (eq modified-tick (buffer-modified-tick)))
1680 (setq modified-tick (buffer-modified-tick))
1681 (cond
1682 ((listp gnus-simplify-subject-fuzzy-regexp)
1683 (mapc 'gnus-simplify-buffer-fuzzy-step
1684 gnus-simplify-subject-fuzzy-regexp))
1685 (gnus-simplify-subject-fuzzy-regexp
1686 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1687 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1688 (gnus-simplify-buffer-fuzzy-step
1689 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1690 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1692 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1693 (gnus-simplify-buffer-fuzzy-step " +" " ")
1694 (gnus-simplify-buffer-fuzzy-step " $")
1695 (gnus-simplify-buffer-fuzzy-step "^ +")))
1697 (defun gnus-simplify-subject-fuzzy (subject)
1698 "Simplify a subject string fuzzily.
1699 See `gnus-simplify-buffer-fuzzy' for details."
1700 (save-excursion
1701 (gnus-set-work-buffer)
1702 (let ((case-fold-search t))
1703 ;; Remove uninteresting prefixes.
1704 (when (and gnus-simplify-ignored-prefixes
1705 (string-match gnus-simplify-ignored-prefixes subject))
1706 (setq subject (substring subject (match-end 0))))
1707 (insert subject)
1708 (inline (gnus-simplify-buffer-fuzzy))
1709 (buffer-string))))
1711 (defsubst gnus-simplify-subject-fully (subject)
1712 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1713 (cond
1714 (gnus-simplify-subject-functions
1715 (gnus-map-function gnus-simplify-subject-functions subject))
1716 ((null gnus-summary-gather-subject-limit)
1717 (gnus-simplify-subject-re subject))
1718 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1719 (gnus-simplify-subject-fuzzy subject))
1720 ((numberp gnus-summary-gather-subject-limit)
1721 (truncate-string-to-width (gnus-simplify-subject-re subject)
1722 gnus-summary-gather-subject-limit))
1724 subject)))
1726 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1727 "Check whether two subjects are equal.
1728 If optional argument SIMPLE-FIRST is t, first argument is already
1729 simplified."
1730 (cond
1731 ((null simple-first)
1732 (equal (gnus-simplify-subject-fully s1)
1733 (gnus-simplify-subject-fully s2)))
1735 (equal s1
1736 (gnus-simplify-subject-fully s2)))))
1738 (defun gnus-summary-bubble-group ()
1739 "Increase the score of the current group.
1740 This is a handy function to add to `gnus-summary-exit-hook' to
1741 increase the score of each group you read."
1742 (gnus-group-add-score gnus-newsgroup-name))
1746 ;;; Gnus summary mode
1749 (put 'gnus-summary-mode 'mode-class 'special)
1751 (defvar gnus-article-commands-menu)
1753 ;; Non-orthogonal keys
1755 (gnus-define-keys gnus-summary-mode-map
1756 " " gnus-summary-next-page
1757 "\177" gnus-summary-prev-page
1758 [delete] gnus-summary-prev-page
1759 [backspace] gnus-summary-prev-page
1760 "\r" gnus-summary-scroll-up
1761 "\M-\r" gnus-summary-scroll-down
1762 "n" gnus-summary-next-unread-article
1763 "p" gnus-summary-prev-unread-article
1764 "N" gnus-summary-next-article
1765 "P" gnus-summary-prev-article
1766 "\M-\C-n" gnus-summary-next-same-subject
1767 "\M-\C-p" gnus-summary-prev-same-subject
1768 "\M-n" gnus-summary-next-unread-subject
1769 "\M-p" gnus-summary-prev-unread-subject
1770 "." gnus-summary-first-unread-article
1771 "," gnus-summary-best-unread-article
1772 "\M-s" gnus-summary-search-article-forward
1773 "\M-r" gnus-summary-search-article-backward
1774 "\M-S" gnus-summary-repeat-search-article-forward
1775 "\M-R" gnus-summary-repeat-search-article-backward
1776 "<" gnus-summary-beginning-of-article
1777 ">" gnus-summary-end-of-article
1778 "j" gnus-summary-goto-article
1779 "^" gnus-summary-refer-parent-article
1780 "\M-^" gnus-summary-refer-article
1781 "u" gnus-summary-tick-article-forward
1782 "!" gnus-summary-tick-article-forward
1783 "U" gnus-summary-tick-article-backward
1784 "d" gnus-summary-mark-as-read-forward
1785 "D" gnus-summary-mark-as-read-backward
1786 "E" gnus-summary-mark-as-expirable
1787 "\M-u" gnus-summary-clear-mark-forward
1788 "\M-U" gnus-summary-clear-mark-backward
1789 "k" gnus-summary-kill-same-subject-and-select
1790 "\C-k" gnus-summary-kill-same-subject
1791 "\M-\C-k" gnus-summary-kill-thread
1792 "\M-\C-l" gnus-summary-lower-thread
1793 "e" gnus-summary-edit-article
1794 "#" gnus-summary-mark-as-processable
1795 "\M-#" gnus-summary-unmark-as-processable
1796 "\M-\C-t" gnus-summary-toggle-threads
1797 "\M-\C-s" gnus-summary-show-thread
1798 "\M-\C-h" gnus-summary-hide-thread
1799 "\M-\C-f" gnus-summary-next-thread
1800 "\M-\C-b" gnus-summary-prev-thread
1801 [(meta down)] gnus-summary-next-thread
1802 [(meta up)] gnus-summary-prev-thread
1803 "\M-\C-u" gnus-summary-up-thread
1804 "\M-\C-d" gnus-summary-down-thread
1805 "&" gnus-summary-execute-command
1806 "c" gnus-summary-catchup-and-exit
1807 "\C-w" gnus-summary-mark-region-as-read
1808 "\C-t" gnus-summary-toggle-truncation
1809 "?" gnus-summary-mark-as-dormant
1810 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1811 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1812 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1813 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1814 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1815 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1816 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1817 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1818 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1819 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1820 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1821 "=" gnus-summary-expand-window
1822 "\C-x\C-s" gnus-summary-reselect-current-group
1823 "\M-g" gnus-summary-rescan-group
1824 "w" gnus-summary-stop-page-breaking
1825 "\C-c\C-r" gnus-summary-caesar-message
1826 "f" gnus-summary-followup
1827 "F" gnus-summary-followup-with-original
1828 "C" gnus-summary-cancel-article
1829 "r" gnus-summary-reply
1830 "R" gnus-summary-reply-with-original
1831 "\C-c\C-f" gnus-summary-mail-forward
1832 "o" gnus-summary-save-article
1833 "\C-o" gnus-summary-save-article-mail
1834 "|" gnus-summary-pipe-output
1835 "\M-k" gnus-summary-edit-local-kill
1836 "\M-K" gnus-summary-edit-global-kill
1837 ;; "V" gnus-version
1838 "\C-c\C-d" gnus-summary-describe-group
1839 "q" gnus-summary-exit
1840 "Q" gnus-summary-exit-no-update
1841 "\C-c\C-i" gnus-info-find-node
1842 gnus-mouse-2 gnus-mouse-pick-article
1843 [follow-link] mouse-face
1844 "m" gnus-summary-mail-other-window
1845 "a" gnus-summary-post-news
1846 "i" gnus-summary-news-other-window
1847 "x" gnus-summary-limit-to-unread
1848 "s" gnus-summary-isearch-article
1849 "t" gnus-summary-toggle-header
1850 "g" gnus-summary-show-article
1851 "l" gnus-summary-goto-last-article
1852 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1853 "\C-d" gnus-summary-enter-digest-group
1854 "\M-\C-d" gnus-summary-read-document
1855 "\M-\C-e" gnus-summary-edit-parameters
1856 "\M-\C-a" gnus-summary-customize-parameters
1857 "\C-c\C-b" gnus-bug
1858 "*" gnus-cache-enter-article
1859 "\M-*" gnus-cache-remove-article
1860 "\M-&" gnus-summary-universal-argument
1861 "\C-l" gnus-recenter
1862 "I" gnus-summary-increase-score
1863 "L" gnus-summary-lower-score
1864 "\M-i" gnus-symbolic-argument
1865 "h" gnus-summary-select-article-buffer
1867 "b" gnus-article-view-part
1868 "\M-t" gnus-summary-toggle-display-buttonized
1870 "V" gnus-summary-score-map
1871 "X" gnus-uu-extract-map
1872 "S" gnus-summary-send-map)
1874 ;; Sort of orthogonal keymap
1875 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1876 "t" gnus-summary-tick-article-forward
1877 "!" gnus-summary-tick-article-forward
1878 "d" gnus-summary-mark-as-read-forward
1879 "r" gnus-summary-mark-as-read-forward
1880 "c" gnus-summary-clear-mark-forward
1881 " " gnus-summary-clear-mark-forward
1882 "e" gnus-summary-mark-as-expirable
1883 "x" gnus-summary-mark-as-expirable
1884 "?" gnus-summary-mark-as-dormant
1885 "b" gnus-summary-set-bookmark
1886 "B" gnus-summary-remove-bookmark
1887 "#" gnus-summary-mark-as-processable
1888 "\M-#" gnus-summary-unmark-as-processable
1889 "S" gnus-summary-limit-include-expunged
1890 "C" gnus-summary-catchup
1891 "H" gnus-summary-catchup-to-here
1892 "h" gnus-summary-catchup-from-here
1893 "\C-c" gnus-summary-catchup-all
1894 "k" gnus-summary-kill-same-subject-and-select
1895 "K" gnus-summary-kill-same-subject
1896 "P" gnus-uu-mark-map)
1898 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1899 "c" gnus-summary-clear-above
1900 "u" gnus-summary-tick-above
1901 "m" gnus-summary-mark-above
1902 "k" gnus-summary-kill-below)
1904 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1905 "/" gnus-summary-limit-to-subject
1906 "n" gnus-summary-limit-to-articles
1907 "b" gnus-summary-limit-to-bodies
1908 "h" gnus-summary-limit-to-headers
1909 "w" gnus-summary-pop-limit
1910 "s" gnus-summary-limit-to-subject
1911 "a" gnus-summary-limit-to-author
1912 "u" gnus-summary-limit-to-unread
1913 "m" gnus-summary-limit-to-marks
1914 "M" gnus-summary-limit-exclude-marks
1915 "v" gnus-summary-limit-to-score
1916 "*" gnus-summary-limit-include-cached
1917 "D" gnus-summary-limit-include-dormant
1918 "T" gnus-summary-limit-include-thread
1919 "d" gnus-summary-limit-exclude-dormant
1920 "t" gnus-summary-limit-to-age
1921 "." gnus-summary-limit-to-unseen
1922 "x" gnus-summary-limit-to-extra
1923 "p" gnus-summary-limit-to-display-predicate
1924 "E" gnus-summary-limit-include-expunged
1925 "c" gnus-summary-limit-exclude-childless-dormant
1926 "C" gnus-summary-limit-mark-excluded-as-read
1927 "o" gnus-summary-insert-old-articles
1928 "N" gnus-summary-insert-new-articles
1929 "S" gnus-summary-limit-to-singletons
1930 "r" gnus-summary-limit-to-replied
1931 "R" gnus-summary-limit-to-recipient
1932 "A" gnus-summary-limit-to-address)
1934 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1935 "n" gnus-summary-next-unread-article
1936 "p" gnus-summary-prev-unread-article
1937 "N" gnus-summary-next-article
1938 "P" gnus-summary-prev-article
1939 "\C-n" gnus-summary-next-same-subject
1940 "\C-p" gnus-summary-prev-same-subject
1941 "\M-n" gnus-summary-next-unread-subject
1942 "\M-p" gnus-summary-prev-unread-subject
1943 "f" gnus-summary-first-unread-article
1944 "b" gnus-summary-best-unread-article
1945 "j" gnus-summary-goto-article
1946 "g" gnus-summary-goto-subject
1947 "l" gnus-summary-goto-last-article
1948 "o" gnus-summary-pop-article)
1950 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1951 "k" gnus-summary-kill-thread
1952 "E" gnus-summary-expire-thread
1953 "l" gnus-summary-lower-thread
1954 "i" gnus-summary-raise-thread
1955 "T" gnus-summary-toggle-threads
1956 "t" gnus-summary-rethread-current
1957 "^" gnus-summary-reparent-thread
1958 "\M-^" gnus-summary-reparent-children
1959 "s" gnus-summary-show-thread
1960 "S" gnus-summary-show-all-threads
1961 "h" gnus-summary-hide-thread
1962 "H" gnus-summary-hide-all-threads
1963 "n" gnus-summary-next-thread
1964 "p" gnus-summary-prev-thread
1965 "u" gnus-summary-up-thread
1966 "o" gnus-summary-top-thread
1967 "d" gnus-summary-down-thread
1968 "#" gnus-uu-mark-thread
1969 "\M-#" gnus-uu-unmark-thread)
1971 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1972 "g" gnus-summary-prepare
1973 "c" gnus-summary-insert-cached-articles
1974 "d" gnus-summary-insert-dormant-articles
1975 "t" gnus-summary-insert-ticked-articles)
1977 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1978 "c" gnus-summary-catchup-and-exit
1979 "C" gnus-summary-catchup-all-and-exit
1980 "E" gnus-summary-exit-no-update
1981 "Q" gnus-summary-exit
1982 "Z" gnus-summary-exit
1983 "n" gnus-summary-catchup-and-goto-next-group
1984 "p" gnus-summary-catchup-and-goto-prev-group
1985 "R" gnus-summary-reselect-current-group
1986 "G" gnus-summary-rescan-group
1987 "N" gnus-summary-next-group
1988 "s" gnus-summary-save-newsrc
1989 "P" gnus-summary-prev-group)
1991 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1992 " " gnus-summary-next-page
1993 "n" gnus-summary-next-page
1994 "\177" gnus-summary-prev-page
1995 [delete] gnus-summary-prev-page
1996 "p" gnus-summary-prev-page
1997 "\r" gnus-summary-scroll-up
1998 "\M-\r" gnus-summary-scroll-down
1999 "<" gnus-summary-beginning-of-article
2000 ">" gnus-summary-end-of-article
2001 "b" gnus-summary-beginning-of-article
2002 "e" gnus-summary-end-of-article
2003 "^" gnus-summary-refer-parent-article
2004 "r" gnus-summary-refer-parent-article
2005 "D" gnus-summary-enter-digest-group
2006 "R" gnus-summary-refer-references
2007 "T" gnus-summary-refer-thread
2008 "g" gnus-summary-show-article
2009 "s" gnus-summary-isearch-article
2010 "P" gnus-summary-print-article
2011 "S" gnus-sticky-article
2012 "M" gnus-mailing-list-insinuate
2013 "t" gnus-article-babel)
2015 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2016 "b" gnus-article-add-buttons
2017 "B" gnus-article-add-buttons-to-head
2018 "o" gnus-article-treat-overstrike
2019 "e" gnus-article-emphasize
2020 "w" gnus-article-fill-cited-article
2021 "Q" gnus-article-fill-long-lines
2022 "L" gnus-article-toggle-truncate-lines
2023 "C" gnus-article-capitalize-sentences
2024 "c" gnus-article-remove-cr
2025 "q" gnus-article-de-quoted-unreadable
2026 "6" gnus-article-de-base64-unreadable
2027 "Z" gnus-article-decode-HZ
2028 "A" gnus-article-treat-ansi-sequences
2029 "h" gnus-article-wash-html
2030 "u" gnus-article-unsplit-urls
2031 "s" gnus-summary-force-verify-and-decrypt
2032 "f" gnus-article-display-x-face
2033 "l" gnus-summary-stop-page-breaking
2034 "r" gnus-summary-caesar-message
2035 "m" gnus-summary-morse-message
2036 "t" gnus-summary-toggle-header
2037 "g" gnus-treat-smiley
2038 "v" gnus-summary-verbose-headers
2039 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2040 "p" gnus-article-verify-x-pgp-sig
2041 "d" gnus-article-treat-dumbquotes
2042 "i" gnus-summary-idna-message)
2044 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2045 ;; mnemonic: deuglif*Y*
2046 "u" gnus-article-outlook-unwrap-lines
2047 "a" gnus-article-outlook-repair-attribution
2048 "c" gnus-article-outlook-rearrange-citation
2049 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2051 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2052 "a" gnus-article-hide
2053 "h" gnus-article-hide-headers
2054 "b" gnus-article-hide-boring-headers
2055 "s" gnus-article-hide-signature
2056 "c" gnus-article-hide-citation
2057 "C" gnus-article-hide-citation-in-followups
2058 "l" gnus-article-hide-list-identifiers
2059 "B" gnus-article-strip-banner
2060 "P" gnus-article-hide-pem
2061 "\C-c" gnus-article-hide-citation-maybe)
2063 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2064 "a" gnus-article-highlight
2065 "h" gnus-article-highlight-headers
2066 "c" gnus-article-highlight-citation
2067 "s" gnus-article-highlight-signature)
2069 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2070 "f" gnus-article-treat-fold-headers
2071 "u" gnus-article-treat-unfold-headers
2072 "n" gnus-article-treat-fold-newsgroups)
2074 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2075 "x" gnus-article-display-x-face
2076 "d" gnus-article-display-face
2077 "s" gnus-treat-smiley
2078 "D" gnus-article-remove-images
2079 "f" gnus-treat-from-picon
2080 "m" gnus-treat-mail-picon
2081 "n" gnus-treat-newsgroups-picon)
2083 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2084 "w" gnus-article-decode-mime-words
2085 "c" gnus-article-decode-charset
2086 "v" gnus-mime-view-all-parts
2087 "b" gnus-article-view-part)
2089 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2090 "z" gnus-article-date-ut
2091 "u" gnus-article-date-ut
2092 "l" gnus-article-date-local
2093 "p" gnus-article-date-english
2094 "e" gnus-article-date-lapsed
2095 "o" gnus-article-date-original
2096 "i" gnus-article-date-iso8601
2097 "s" gnus-article-date-user)
2099 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2100 "t" gnus-article-remove-trailing-blank-lines
2101 "l" gnus-article-strip-leading-blank-lines
2102 "m" gnus-article-strip-multiple-blank-lines
2103 "a" gnus-article-strip-blank-lines
2104 "A" gnus-article-strip-all-blank-lines
2105 "s" gnus-article-strip-leading-space
2106 "e" gnus-article-strip-trailing-space
2107 "w" gnus-article-remove-leading-whitespace)
2109 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2110 "v" gnus-version
2111 "f" gnus-summary-fetch-faq
2112 "d" gnus-summary-describe-group
2113 "h" gnus-summary-describe-briefly
2114 "i" gnus-info-find-node
2115 "c" gnus-group-fetch-charter
2116 "C" gnus-group-fetch-control)
2118 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2119 "e" gnus-summary-expire-articles
2120 "\M-\C-e" gnus-summary-expire-articles-now
2121 "\177" gnus-summary-delete-article
2122 [delete] gnus-summary-delete-article
2123 [backspace] gnus-summary-delete-article
2124 "m" gnus-summary-move-article
2125 "r" gnus-summary-respool-article
2126 "w" gnus-summary-edit-article
2127 "c" gnus-summary-copy-article
2128 "B" gnus-summary-crosspost-article
2129 "q" gnus-summary-respool-query
2130 "t" gnus-summary-respool-trace
2131 "i" gnus-summary-import-article
2132 "I" gnus-summary-create-article
2133 "p" gnus-summary-article-posted-p)
2135 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2136 "o" gnus-summary-save-article
2137 "m" gnus-summary-save-article-mail
2138 "F" gnus-summary-write-article-file
2139 "r" gnus-summary-save-article-rmail
2140 "f" gnus-summary-save-article-file
2141 "b" gnus-summary-save-article-body-file
2142 "B" gnus-summary-write-article-body-file
2143 "h" gnus-summary-save-article-folder
2144 "v" gnus-summary-save-article-vm
2145 "p" gnus-summary-pipe-output
2146 "P" gnus-summary-muttprint
2147 "s" gnus-soup-add-article)
2149 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2150 "b" gnus-summary-display-buttonized
2151 "m" gnus-summary-repair-multipart
2152 "v" gnus-article-view-part
2153 "o" gnus-article-save-part
2154 "O" gnus-article-save-part-and-strip
2155 "r" gnus-article-replace-part
2156 "d" gnus-article-delete-part
2157 "t" gnus-article-view-part-as-type
2158 "j" gnus-article-jump-to-part
2159 "c" gnus-article-copy-part
2160 "C" gnus-article-view-part-as-charset
2161 "e" gnus-article-view-part-externally
2162 "H" gnus-article-browse-html-article
2163 "E" gnus-article-encrypt-body
2164 "i" gnus-article-inline-part
2165 "|" gnus-article-pipe-part)
2167 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2168 "p" gnus-summary-mark-as-processable
2169 "u" gnus-summary-unmark-as-processable
2170 "U" gnus-summary-unmark-all-processable
2171 "v" gnus-uu-mark-over
2172 "s" gnus-uu-mark-series
2173 "r" gnus-uu-mark-region
2174 "g" gnus-uu-unmark-region
2175 "R" gnus-uu-mark-by-regexp
2176 "G" gnus-uu-unmark-by-regexp
2177 "t" gnus-uu-mark-thread
2178 "T" gnus-uu-unmark-thread
2179 "a" gnus-uu-mark-all
2180 "b" gnus-uu-mark-buffer
2181 "S" gnus-uu-mark-sparse
2182 "k" gnus-summary-kill-process-mark
2183 "y" gnus-summary-yank-process-mark
2184 "w" gnus-summary-save-process-mark
2185 "i" gnus-uu-invert-processable)
2187 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2188 ;;"x" gnus-uu-extract-any
2189 "m" gnus-summary-save-parts
2190 "u" gnus-uu-decode-uu
2191 "U" gnus-uu-decode-uu-and-save
2192 "s" gnus-uu-decode-unshar
2193 "S" gnus-uu-decode-unshar-and-save
2194 "o" gnus-uu-decode-save
2195 "O" gnus-uu-decode-save
2196 "b" gnus-uu-decode-binhex
2197 "B" gnus-uu-decode-binhex
2198 "Y" gnus-uu-decode-yenc
2199 "p" gnus-uu-decode-postscript
2200 "P" gnus-uu-decode-postscript-and-save)
2202 (gnus-define-keys
2203 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2204 "u" gnus-uu-decode-uu-view
2205 "U" gnus-uu-decode-uu-and-save-view
2206 "s" gnus-uu-decode-unshar-view
2207 "S" gnus-uu-decode-unshar-and-save-view
2208 "o" gnus-uu-decode-save-view
2209 "O" gnus-uu-decode-save-view
2210 "b" gnus-uu-decode-binhex-view
2211 "B" gnus-uu-decode-binhex-view
2212 "p" gnus-uu-decode-postscript-view
2213 "P" gnus-uu-decode-postscript-and-save-view)
2215 (defvar gnus-article-post-menu nil)
2217 (defconst gnus-summary-menu-maxlen 20)
2219 (defun gnus-summary-menu-split (menu)
2220 ;; If we have lots of elements, divide them into groups of 20
2221 ;; and make a pane (or submenu) for each one.
2222 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2223 (let ((menu menu) sublists next
2224 (i 1))
2225 (while menu
2226 ;; Pull off the next gnus-summary-menu-maxlen elements
2227 ;; and make them the next element of sublist.
2228 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2229 (if next
2230 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2231 nil))
2232 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2233 (aref (car (last menu)) 0)) menu)
2234 sublists))
2235 (setq i (1+ i))
2236 (setq menu next))
2237 (nreverse sublists))
2238 ;; Few elements--put them all in one pane.
2239 menu))
2241 (defun gnus-summary-make-menu-bar ()
2242 (gnus-turn-off-edit-menu 'summary)
2244 (unless (boundp 'gnus-summary-misc-menu)
2246 (easy-menu-define
2247 gnus-summary-kill-menu gnus-summary-mode-map ""
2248 (cons
2249 "Score"
2250 (nconc
2251 (list
2252 ["Customize" gnus-score-customize t])
2253 (gnus-make-score-map 'increase)
2254 (gnus-make-score-map 'lower)
2255 '(("Mark"
2256 ["Kill below" gnus-summary-kill-below t]
2257 ["Mark above" gnus-summary-mark-above t]
2258 ["Tick above" gnus-summary-tick-above t]
2259 ["Clear above" gnus-summary-clear-above t])
2260 ["Current score" gnus-summary-current-score t]
2261 ["Set score" gnus-summary-set-score t]
2262 ["Switch current score file..." gnus-score-change-score-file t]
2263 ["Set mark below..." gnus-score-set-mark-below t]
2264 ["Set expunge below..." gnus-score-set-expunge-below t]
2265 ["Edit current score file" gnus-score-edit-current-scores t]
2266 ["Edit score file" gnus-score-edit-file t]
2267 ["Trace score" gnus-score-find-trace t]
2268 ["Find words" gnus-score-find-favourite-words t]
2269 ["Rescore buffer" gnus-summary-rescore t]
2270 ["Increase score..." gnus-summary-increase-score t]
2271 ["Lower score..." gnus-summary-lower-score t]))))
2273 ;; Define both the Article menu in the summary buffer and the
2274 ;; equivalent Commands menu in the article buffer here for
2275 ;; consistency.
2276 (let ((innards
2277 `(("Hide"
2278 ["All" gnus-article-hide t]
2279 ["Headers" gnus-article-hide-headers t]
2280 ["Signature" gnus-article-hide-signature t]
2281 ["Citation" gnus-article-hide-citation t]
2282 ["List identifiers" gnus-article-hide-list-identifiers t]
2283 ["Banner" gnus-article-strip-banner t]
2284 ["Boring headers" gnus-article-hide-boring-headers t])
2285 ("Highlight"
2286 ["All" gnus-article-highlight t]
2287 ["Headers" gnus-article-highlight-headers t]
2288 ["Signature" gnus-article-highlight-signature t]
2289 ["Citation" gnus-article-highlight-citation t])
2290 ("MIME"
2291 ["Words" gnus-article-decode-mime-words t]
2292 ["Charset" gnus-article-decode-charset t]
2293 ["QP" gnus-article-de-quoted-unreadable t]
2294 ["Base64" gnus-article-de-base64-unreadable t]
2295 ["View MIME buttons" gnus-summary-display-buttonized t]
2296 ["View all" gnus-mime-view-all-parts t]
2297 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2298 ["Encrypt body" gnus-article-encrypt-body
2299 :active (not (gnus-group-read-only-p))
2300 ,@(if (featurep 'xemacs) nil
2301 '(:help "Encrypt the message body on disk"))]
2302 ["Extract all parts..." gnus-summary-save-parts t]
2303 ("Multipart"
2304 ["Repair multipart" gnus-summary-repair-multipart t]
2305 ["Pipe part..." gnus-article-pipe-part t]
2306 ["Inline part" gnus-article-inline-part t]
2307 ["View part as type..." gnus-article-view-part-as-type t]
2308 ["Encrypt body" gnus-article-encrypt-body
2309 :active (not (gnus-group-read-only-p))
2310 ,@(if (featurep 'xemacs) nil
2311 '(:help "Encrypt the message body on disk"))]
2312 ["View part externally" gnus-article-view-part-externally t]
2313 ["View HTML parts in browser" gnus-article-browse-html-article t]
2314 ["View part with charset..." gnus-article-view-part-as-charset t]
2315 ["Copy part" gnus-article-copy-part t]
2316 ["Save part..." gnus-article-save-part t]
2317 ["View part" gnus-article-view-part t]))
2318 ("Date"
2319 ["Local" gnus-article-date-local t]
2320 ["ISO8601" gnus-article-date-iso8601 t]
2321 ["UT" gnus-article-date-ut t]
2322 ["Original" gnus-article-date-original t]
2323 ["Lapsed" gnus-article-date-lapsed t]
2324 ["User-defined" gnus-article-date-user t])
2325 ("Display"
2326 ["Remove images" gnus-article-remove-images t]
2327 ["Toggle smiley" gnus-treat-smiley t]
2328 ["Show X-Face" gnus-article-display-x-face t]
2329 ["Show picons in From" gnus-treat-from-picon t]
2330 ["Show picons in mail headers" gnus-treat-mail-picon t]
2331 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2332 ("View as different encoding"
2333 ,@(gnus-summary-menu-split
2334 (mapcar
2335 (lambda (cs)
2336 ;; Since easymenu under Emacs doesn't allow
2337 ;; lambda forms for menu commands, we should
2338 ;; provide intern'ed function symbols.
2339 (let ((command (intern (format "\
2340 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2341 (fset command
2342 `(lambda ()
2343 (interactive)
2344 (let ((gnus-summary-show-article-charset-alist
2345 '((1 . ,cs))))
2346 (gnus-summary-show-article 1))))
2347 `[,(symbol-name cs) ,command t]))
2348 (sort (if (fboundp 'coding-system-list)
2349 (coding-system-list)
2350 (mapcar 'car mm-mime-mule-charset-alist))
2351 'string<)))))
2352 ("Washing"
2353 ("Remove Blanks"
2354 ["Leading" gnus-article-strip-leading-blank-lines t]
2355 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2356 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2357 ["All of the above" gnus-article-strip-blank-lines t]
2358 ["All" gnus-article-strip-all-blank-lines t]
2359 ["Leading space" gnus-article-strip-leading-space t]
2360 ["Trailing space" gnus-article-strip-trailing-space t]
2361 ["Leading space in headers"
2362 gnus-article-remove-leading-whitespace t])
2363 ["Overstrike" gnus-article-treat-overstrike t]
2364 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2365 ["Emphasis" gnus-article-emphasize t]
2366 ["Word wrap" gnus-article-fill-cited-article t]
2367 ["Fill long lines" gnus-article-fill-long-lines t]
2368 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2369 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2370 ["Remove CR" gnus-article-remove-cr t]
2371 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2372 ["Base64" gnus-article-de-base64-unreadable t]
2373 ["Rot 13" gnus-summary-caesar-message
2374 ,@(if (featurep 'xemacs) '(t)
2375 '(:help "\"Caesar rotate\" article by 13"))]
2376 ["De-IDNA" gnus-summary-idna-message t]
2377 ["Morse decode" gnus-summary-morse-message t]
2378 ["Unix pipe..." gnus-summary-pipe-message t]
2379 ["Add buttons" gnus-article-add-buttons t]
2380 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2381 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2382 ["Verbose header" gnus-summary-verbose-headers t]
2383 ["Toggle header" gnus-summary-toggle-header t]
2384 ["Unfold headers" gnus-article-treat-unfold-headers t]
2385 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2386 ["Html" gnus-article-wash-html t]
2387 ["Unsplit URLs" gnus-article-unsplit-urls t]
2388 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2389 ["Decode HZ" gnus-article-decode-HZ t]
2390 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2391 ("(Outlook) Deuglify"
2392 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2393 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2394 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2395 ["Full (Outlook) deuglify"
2396 gnus-article-outlook-deuglify-article t])
2398 ("Output"
2399 ["Save in default format..." gnus-summary-save-article
2400 ,@(if (featurep 'xemacs) '(t)
2401 '(:help "Save article using default method"))]
2402 ["Save in file..." gnus-summary-save-article-file
2403 ,@(if (featurep 'xemacs) '(t)
2404 '(:help "Save article in file"))]
2405 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2406 ["Save in MH folder..." gnus-summary-save-article-folder t]
2407 ["Save in VM folder..." gnus-summary-save-article-vm t]
2408 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2409 ["Save body in file..." gnus-summary-save-article-body-file t]
2410 ["Pipe through a filter..." gnus-summary-pipe-output t]
2411 ["Add to SOUP packet" gnus-soup-add-article t]
2412 ["Print with Muttprint..." gnus-summary-muttprint t]
2413 ["Print" gnus-summary-print-article
2414 ,@(if (featurep 'xemacs) '(t)
2415 '(:help "Generate and print a PostScript image"))])
2416 ("Copy, move,... (Backend)"
2417 ,@(if (featurep 'xemacs) nil
2418 '(:help "Copying, moving, expiring articles..."))
2419 ["Respool article..." gnus-summary-respool-article t]
2420 ["Move article..." gnus-summary-move-article
2421 (gnus-check-backend-function
2422 'request-move-article gnus-newsgroup-name)]
2423 ["Copy article..." gnus-summary-copy-article t]
2424 ["Crosspost article..." gnus-summary-crosspost-article
2425 (gnus-check-backend-function
2426 'request-replace-article gnus-newsgroup-name)]
2427 ["Import file..." gnus-summary-import-article
2428 (gnus-check-backend-function
2429 'request-accept-article gnus-newsgroup-name)]
2430 ["Create article..." gnus-summary-create-article
2431 (gnus-check-backend-function
2432 'request-accept-article gnus-newsgroup-name)]
2433 ["Check if posted" gnus-summary-article-posted-p t]
2434 ["Edit article" gnus-summary-edit-article
2435 (not (gnus-group-read-only-p))]
2436 ["Delete article" gnus-summary-delete-article
2437 (gnus-check-backend-function
2438 'request-expire-articles gnus-newsgroup-name)]
2439 ["Query respool" gnus-summary-respool-query t]
2440 ["Trace respool" gnus-summary-respool-trace t]
2441 ["Delete expirable articles" gnus-summary-expire-articles-now
2442 (gnus-check-backend-function
2443 'request-expire-articles gnus-newsgroup-name)])
2444 ("Extract"
2445 ["Uudecode" gnus-uu-decode-uu
2446 ,@(if (featurep 'xemacs) '(t)
2447 '(:help "Decode uuencoded article(s)"))]
2448 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2449 ["Unshar" gnus-uu-decode-unshar t]
2450 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2451 ["Save" gnus-uu-decode-save t]
2452 ["Binhex" gnus-uu-decode-binhex t]
2453 ["Postscript" gnus-uu-decode-postscript t]
2454 ["All MIME parts" gnus-summary-save-parts t])
2455 ("Cache"
2456 ["Enter article" gnus-cache-enter-article t]
2457 ["Remove article" gnus-cache-remove-article t])
2458 ["Translate" gnus-article-babel t]
2459 ["Select article buffer" gnus-summary-select-article-buffer t]
2460 ["Make article buffer sticky" gnus-sticky-article t]
2461 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2462 ["Isearch article..." gnus-summary-isearch-article t]
2463 ["Beginning of the article" gnus-summary-beginning-of-article t]
2464 ["End of the article" gnus-summary-end-of-article t]
2465 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2466 ["Fetch referenced articles" gnus-summary-refer-references t]
2467 ["Fetch current thread" gnus-summary-refer-thread t]
2468 ["Fetch article with id..." gnus-summary-refer-article t]
2469 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2470 ["Redisplay" gnus-summary-show-article t]
2471 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2472 (easy-menu-define
2473 gnus-summary-article-menu gnus-summary-mode-map ""
2474 (cons "Article" innards))
2476 (if (not (keymapp gnus-summary-article-menu))
2477 (easy-menu-define
2478 gnus-article-commands-menu gnus-article-mode-map ""
2479 (cons "Commands" innards))
2480 ;; in Emacs, don't share menu.
2481 (setq gnus-article-commands-menu
2482 (copy-keymap gnus-summary-article-menu))
2483 (define-key gnus-article-mode-map [menu-bar commands]
2484 (cons "Commands" gnus-article-commands-menu))))
2486 (easy-menu-define
2487 gnus-summary-thread-menu gnus-summary-mode-map ""
2488 '("Threads"
2489 ["Find all messages in thread" gnus-summary-refer-thread t]
2490 ["Toggle threading" gnus-summary-toggle-threads t]
2491 ["Hide threads" gnus-summary-hide-all-threads t]
2492 ["Show threads" gnus-summary-show-all-threads t]
2493 ["Hide thread" gnus-summary-hide-thread t]
2494 ["Show thread" gnus-summary-show-thread t]
2495 ["Go to next thread" gnus-summary-next-thread t]
2496 ["Go to previous thread" gnus-summary-prev-thread t]
2497 ["Go down thread" gnus-summary-down-thread t]
2498 ["Go up thread" gnus-summary-up-thread t]
2499 ["Top of thread" gnus-summary-top-thread t]
2500 ["Mark thread as read" gnus-summary-kill-thread t]
2501 ["Mark thread as expired" gnus-summary-expire-thread t]
2502 ["Lower thread score" gnus-summary-lower-thread t]
2503 ["Raise thread score" gnus-summary-raise-thread t]
2504 ["Rethread current" gnus-summary-rethread-current t]))
2506 (easy-menu-define
2507 gnus-summary-post-menu gnus-summary-mode-map ""
2508 `("Post"
2509 ["Send a message (mail or news)" gnus-summary-post-news
2510 ,@(if (featurep 'xemacs) '(t)
2511 '(:help "Compose a new message (mail or news)"))]
2512 ["Followup" gnus-summary-followup
2513 ,@(if (featurep 'xemacs) '(t)
2514 '(:help "Post followup to this article"))]
2515 ["Followup and yank" gnus-summary-followup-with-original
2516 ,@(if (featurep 'xemacs) '(t)
2517 '(:help "Post followup to this article, quoting its contents"))]
2518 ["Supersede article" gnus-summary-supersede-article t]
2519 ["Cancel article" gnus-summary-cancel-article
2520 ,@(if (featurep 'xemacs) '(t)
2521 '(:help "Cancel an article you posted"))]
2522 ["Reply" gnus-summary-reply t]
2523 ["Reply and yank" gnus-summary-reply-with-original t]
2524 ["Wide reply" gnus-summary-wide-reply t]
2525 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2526 ,@(if (featurep 'xemacs) '(t)
2527 '(:help "Mail a reply, quoting this article"))]
2528 ["Very wide reply" gnus-summary-very-wide-reply t]
2529 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2530 ,@(if (featurep 'xemacs) '(t)
2531 '(:help "Mail a very wide reply, quoting this article"))]
2532 ["Mail forward" gnus-summary-mail-forward t]
2533 ["Post forward" gnus-summary-post-forward t]
2534 ["Digest and mail" gnus-uu-digest-mail-forward t]
2535 ["Digest and post" gnus-uu-digest-post-forward t]
2536 ["Resend message" gnus-summary-resend-message t]
2537 ["Resend message edit" gnus-summary-resend-message-edit t]
2538 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2539 ["Send a mail" gnus-summary-mail-other-window t]
2540 ["Create a local message" gnus-summary-news-other-window t]
2541 ["Uuencode and post" gnus-uu-post-news
2542 ,@(if (featurep 'xemacs) '(t)
2543 '(:help "Post a uuencoded article"))]
2544 ["Followup via news" gnus-summary-followup-to-mail t]
2545 ["Followup via news and yank"
2546 gnus-summary-followup-to-mail-with-original t]
2547 ;;("Draft"
2548 ;;["Send" gnus-summary-send-draft t]
2549 ;;["Send bounced" gnus-resend-bounced-mail t])
2552 (cond
2553 ((not (keymapp gnus-summary-post-menu))
2554 (setq gnus-article-post-menu gnus-summary-post-menu))
2555 ((not gnus-article-post-menu)
2556 ;; Don't share post menu.
2557 (setq gnus-article-post-menu
2558 (copy-keymap gnus-summary-post-menu))))
2559 (define-key gnus-article-mode-map [menu-bar post]
2560 (cons "Post" gnus-article-post-menu))
2562 (easy-menu-define
2563 gnus-summary-misc-menu gnus-summary-mode-map ""
2564 `("Gnus"
2565 ("Mark Read"
2566 ["Mark as read" gnus-summary-mark-as-read-forward t]
2567 ["Mark same subject and select"
2568 gnus-summary-kill-same-subject-and-select t]
2569 ["Mark same subject" gnus-summary-kill-same-subject t]
2570 ["Catchup" gnus-summary-catchup
2571 ,@(if (featurep 'xemacs) '(t)
2572 '(:help "Mark unread articles in this group as read"))]
2573 ["Catchup all" gnus-summary-catchup-all t]
2574 ["Catchup to here" gnus-summary-catchup-to-here t]
2575 ["Catchup from here" gnus-summary-catchup-from-here t]
2576 ["Catchup region" gnus-summary-mark-region-as-read
2577 (gnus-mark-active-p)]
2578 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2579 ("Mark Various"
2580 ["Tick" gnus-summary-tick-article-forward t]
2581 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2582 ["Remove marks" gnus-summary-clear-mark-forward t]
2583 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2584 ["Set bookmark" gnus-summary-set-bookmark t]
2585 ["Remove bookmark" gnus-summary-remove-bookmark t])
2586 ("Limit to"
2587 ["Marks..." gnus-summary-limit-to-marks t]
2588 ["Subject..." gnus-summary-limit-to-subject t]
2589 ["Author..." gnus-summary-limit-to-author t]
2590 ["Recipient..." gnus-summary-limit-to-recipient t]
2591 ["Address..." gnus-summary-limit-to-address t]
2592 ["Age..." gnus-summary-limit-to-age t]
2593 ["Extra..." gnus-summary-limit-to-extra t]
2594 ["Score..." gnus-summary-limit-to-score t]
2595 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2596 ["Unread" gnus-summary-limit-to-unread t]
2597 ["Unseen" gnus-summary-limit-to-unseen t]
2598 ["Singletons" gnus-summary-limit-to-singletons t]
2599 ["Replied" gnus-summary-limit-to-replied t]
2600 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2601 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2602 ["Pop limit" gnus-summary-pop-limit t]
2603 ["Show dormant" gnus-summary-limit-include-dormant t]
2604 ["Hide childless dormant"
2605 gnus-summary-limit-exclude-childless-dormant t]
2606 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2607 ["Hide marked" gnus-summary-limit-exclude-marks t]
2608 ["Show expunged" gnus-summary-limit-include-expunged t])
2609 ("Process Mark"
2610 ["Set mark" gnus-summary-mark-as-processable t]
2611 ["Remove mark" gnus-summary-unmark-as-processable t]
2612 ["Remove all marks" gnus-summary-unmark-all-processable t]
2613 ["Invert marks" gnus-uu-invert-processable t]
2614 ["Mark above" gnus-uu-mark-over t]
2615 ["Mark series" gnus-uu-mark-series t]
2616 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2617 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2618 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2619 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2620 ["Mark all" gnus-uu-mark-all t]
2621 ["Mark buffer" gnus-uu-mark-buffer t]
2622 ["Mark sparse" gnus-uu-mark-sparse t]
2623 ["Mark thread" gnus-uu-mark-thread t]
2624 ["Unmark thread" gnus-uu-unmark-thread t]
2625 ("Process Mark Sets"
2626 ["Kill" gnus-summary-kill-process-mark t]
2627 ["Yank" gnus-summary-yank-process-mark
2628 gnus-newsgroup-process-stack]
2629 ["Save" gnus-summary-save-process-mark t]
2630 ["Run command on marked..." gnus-summary-universal-argument t]))
2631 ("Scroll article"
2632 ["Page forward" gnus-summary-next-page
2633 ,@(if (featurep 'xemacs) '(t)
2634 '(:help "Show next page of article"))]
2635 ["Page backward" gnus-summary-prev-page
2636 ,@(if (featurep 'xemacs) '(t)
2637 '(:help "Show previous page of article"))]
2638 ["Line forward" gnus-summary-scroll-up t])
2639 ("Move"
2640 ["Next unread article" gnus-summary-next-unread-article t]
2641 ["Previous unread article" gnus-summary-prev-unread-article t]
2642 ["Next article" gnus-summary-next-article t]
2643 ["Previous article" gnus-summary-prev-article t]
2644 ["Next unread subject" gnus-summary-next-unread-subject t]
2645 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2646 ["Next article same subject" gnus-summary-next-same-subject t]
2647 ["Previous article same subject" gnus-summary-prev-same-subject t]
2648 ["First unread article" gnus-summary-first-unread-article t]
2649 ["Best unread article" gnus-summary-best-unread-article t]
2650 ["Go to subject number..." gnus-summary-goto-subject t]
2651 ["Go to article number..." gnus-summary-goto-article t]
2652 ["Go to the last article" gnus-summary-goto-last-article t]
2653 ["Pop article off history" gnus-summary-pop-article t])
2654 ("Sort"
2655 ["Sort by number" gnus-summary-sort-by-number t]
2656 ["Sort by author" gnus-summary-sort-by-author t]
2657 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2658 ["Sort by subject" gnus-summary-sort-by-subject t]
2659 ["Sort by date" gnus-summary-sort-by-date t]
2660 ["Sort by score" gnus-summary-sort-by-score t]
2661 ["Sort by lines" gnus-summary-sort-by-lines t]
2662 ["Sort by characters" gnus-summary-sort-by-chars t]
2663 ["Randomize" gnus-summary-sort-by-random t]
2664 ["Original sort" gnus-summary-sort-by-original t])
2665 ("Help"
2666 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2667 ["Describe group" gnus-summary-describe-group t]
2668 ["Fetch charter" gnus-group-fetch-charter
2669 ,@(if (featurep 'xemacs) nil
2670 '(:help "Display the charter of the current group"))]
2671 ["Fetch control message" gnus-group-fetch-control
2672 ,@(if (featurep 'xemacs) nil
2673 '(:help "Display the archived control message for the current group"))]
2674 ["Read manual" gnus-info-find-node t])
2675 ("Modes"
2676 ["Pick and read" gnus-pick-mode t]
2677 ["Binary" gnus-binary-mode t])
2678 ("Regeneration"
2679 ["Regenerate" gnus-summary-prepare t]
2680 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2681 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2682 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2683 ["Toggle threading" gnus-summary-toggle-threads t])
2684 ["See old articles" gnus-summary-insert-old-articles t]
2685 ["See new articles" gnus-summary-insert-new-articles t]
2686 ["Filter articles..." gnus-summary-execute-command t]
2687 ["Run command on articles..." gnus-summary-universal-argument t]
2688 ["Search articles forward..." gnus-summary-search-article-forward t]
2689 ["Search articles backward..." gnus-summary-search-article-backward t]
2690 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2691 ["Expand window" gnus-summary-expand-window t]
2692 ["Expire expirable articles" gnus-summary-expire-articles
2693 (gnus-check-backend-function
2694 'request-expire-articles gnus-newsgroup-name)]
2695 ["Edit local kill file" gnus-summary-edit-local-kill t]
2696 ["Edit main kill file" gnus-summary-edit-global-kill t]
2697 ["Edit group parameters" gnus-summary-edit-parameters t]
2698 ["Customize group parameters" gnus-summary-customize-parameters t]
2699 ["Send a bug report" gnus-bug t]
2700 ("Exit"
2701 ["Catchup and exit" gnus-summary-catchup-and-exit
2702 ,@(if (featurep 'xemacs) '(t)
2703 '(:help "Mark unread articles in this group as read, then exit"))]
2704 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2705 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2706 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2707 ["Exit group" gnus-summary-exit
2708 ,@(if (featurep 'xemacs) '(t)
2709 '(:help "Exit current group, return to group selection mode"))]
2710 ["Exit group without updating" gnus-summary-exit-no-update t]
2711 ["Exit and goto next group" gnus-summary-next-group t]
2712 ["Exit and goto prev group" gnus-summary-prev-group t]
2713 ["Reselect group" gnus-summary-reselect-current-group t]
2714 ["Rescan group" gnus-summary-rescan-group t]
2715 ["Update dribble" gnus-summary-save-newsrc t])))
2717 (gnus-run-hooks 'gnus-summary-menu-hook)))
2719 (defvar gnus-summary-tool-bar-map nil)
2721 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2722 ;; affect _new_ message buffers. We might add a function that walks thru all
2723 ;; summary-mode buffers and force the update.
2724 (defun gnus-summary-tool-bar-update (&optional symbol value)
2725 "Update summary mode toolbar.
2726 Setter function for custom variables."
2727 (setq-default gnus-summary-tool-bar-map nil)
2728 (when symbol
2729 ;; When used as ":set" function:
2730 (set-default symbol value))
2731 (when (gnus-buffer-live-p gnus-summary-buffer)
2732 (with-current-buffer gnus-summary-buffer
2733 (gnus-summary-make-tool-bar))))
2735 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2736 'gnus-summary-tool-bar-gnome
2737 'gnus-summary-tool-bar-retro)
2738 "Specifies the Gnus summary tool bar.
2740 It can be either a list or a symbol refering to a list. See
2741 `gmm-tool-bar-from-list' for the format of the list. The
2742 default key map is `gnus-summary-mode-map'.
2744 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2745 `gnus-summary-tool-bar-retro'."
2746 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2747 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2748 (repeat :tag "User defined list" gmm-tool-bar-item)
2749 (symbol))
2750 :version "23.0" ;; No Gnus
2751 :initialize 'custom-initialize-default
2752 :set 'gnus-summary-tool-bar-update
2753 :group 'gnus-summary)
2755 (defcustom gnus-summary-tool-bar-gnome
2756 '((gnus-summary-post-news "mail/compose" nil)
2757 (gnus-summary-insert-new-articles "mail/inbox" nil
2758 :visible (or (not gnus-agent)
2759 gnus-plugged))
2760 (gnus-summary-reply-with-original "mail/reply")
2761 (gnus-summary-reply "mail/reply" nil :visible nil)
2762 (gnus-summary-followup-with-original "mail/reply-all")
2763 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2764 (gnus-summary-mail-forward "mail/forward")
2765 (gnus-summary-save-article "mail/save")
2766 (gnus-summary-search-article-forward "search" nil :visible nil)
2767 (gnus-summary-print-article "print")
2768 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2769 ;; Some new commands that may need more suitable icons:
2770 (gnus-summary-save-newsrc "save" nil :visible nil)
2771 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2772 (gnus-summary-prev-article "left-arrow")
2773 (gnus-summary-next-article "right-arrow")
2774 (gnus-summary-next-page "next-page")
2775 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2777 ;; Maybe some sort-by-... could be added:
2778 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2779 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2780 (gnus-summary-mark-as-expirable
2781 "delete" nil
2782 :visible (gnus-check-backend-function 'request-expire-articles
2783 gnus-newsgroup-name))
2784 (gnus-summary-mark-as-spam
2785 "mail/spam" t
2786 :visible (and (fboundp 'spam-group-ham-contents-p)
2787 (spam-group-ham-contents-p gnus-newsgroup-name))
2788 :help "Mark as spam")
2789 (gnus-summary-mark-as-read-forward
2790 "mail/not-spam" nil
2791 :visible (and (fboundp 'spam-group-spam-contents-p)
2792 (spam-group-spam-contents-p gnus-newsgroup-name)))
2794 (gnus-summary-exit "exit")
2795 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2796 (gnus-info-find-node "help"))
2797 "List of functions for the summary tool bar (GNOME style).
2799 See `gmm-tool-bar-from-list' for the format of the list."
2800 :type '(repeat gmm-tool-bar-item)
2801 :version "23.0" ;; No Gnus
2802 :initialize 'custom-initialize-default
2803 :set 'gnus-summary-tool-bar-update
2804 :group 'gnus-summary)
2806 (defcustom gnus-summary-tool-bar-retro
2807 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2808 (gnus-summary-next-unread-article "gnus/next-ur")
2809 (gnus-summary-post-news "gnus/post")
2810 (gnus-summary-followup-with-original "gnus/fuwo")
2811 (gnus-summary-followup "gnus/followup")
2812 (gnus-summary-reply-with-original "gnus/reply-wo")
2813 (gnus-summary-reply "gnus/reply")
2814 (gnus-summary-caesar-message "gnus/rot13")
2815 (gnus-uu-decode-uu "gnus/uu-decode")
2816 (gnus-summary-save-article-file "gnus/save-aif")
2817 (gnus-summary-save-article "gnus/save-art")
2818 (gnus-uu-post-news "gnus/uu-post")
2819 (gnus-summary-catchup "gnus/catchup")
2820 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2821 (gnus-summary-exit "gnus/exit-summ")
2822 ;; Some new command that may need more suitable icons:
2823 (gnus-summary-print-article "gnus/print" nil :visible nil)
2824 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2825 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2826 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2827 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2828 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2829 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2831 (gnus-info-find-node "gnus/help" nil :visible nil))
2832 "List of functions for the summary tool bar (retro look).
2834 See `gmm-tool-bar-from-list' for the format of the list."
2835 :type '(repeat gmm-tool-bar-item)
2836 :version "23.0" ;; No Gnus
2837 :initialize 'custom-initialize-default
2838 :set 'gnus-summary-tool-bar-update
2839 :group 'gnus-summary)
2841 (defcustom gnus-summary-tool-bar-zap-list t
2842 "List of icon items from the global tool bar.
2843 These items are not displayed in the Gnus summary mode tool bar.
2845 See `gmm-tool-bar-from-list' for the format of the list."
2846 :type 'gmm-tool-bar-zap-list
2847 :version "23.0" ;; No Gnus
2848 :initialize 'custom-initialize-default
2849 :set 'gnus-summary-tool-bar-update
2850 :group 'gnus-summary)
2852 (defvar image-load-path)
2854 (defun gnus-summary-make-tool-bar (&optional force)
2855 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2856 When FORCE, rebuild the tool bar."
2857 (when (and (not (featurep 'xemacs))
2858 (boundp 'tool-bar-mode)
2859 tool-bar-mode
2860 (or (not gnus-summary-tool-bar-map) force))
2861 (let* ((load-path
2862 (gmm-image-load-path-for-library "gnus"
2863 "mail/save.xpm"
2864 nil t))
2865 (image-load-path (cons (car load-path)
2866 (when (boundp 'image-load-path)
2867 image-load-path)))
2868 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2869 gnus-summary-tool-bar-zap-list
2870 'gnus-summary-mode-map)))
2871 (when map
2872 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2873 ;; uses it's value.
2874 (setq gnus-summary-tool-bar-map map))))
2875 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2877 (defun gnus-score-set-default (var value)
2878 "A version of set that updates the GNU Emacs menu-bar."
2879 (set var value)
2880 ;; It is the message that forces the active status to be updated.
2881 (message ""))
2883 (defun gnus-make-score-map (type)
2884 "Make a summary score map of type TYPE."
2885 (if t
2887 (let ((headers '(("author" "from" string)
2888 ("subject" "subject" string)
2889 ("article body" "body" string)
2890 ("article head" "head" string)
2891 ("xref" "xref" string)
2892 ("extra header" "extra" string)
2893 ("lines" "lines" number)
2894 ("followups to author" "followup" string)))
2895 (types '((number ("less than" <)
2896 ("greater than" >)
2897 ("equal" =))
2898 (string ("substring" s)
2899 ("exact string" e)
2900 ("fuzzy string" f)
2901 ("regexp" r))))
2902 (perms '(("temporary" (current-time-string))
2903 ("permanent" nil)
2904 ("immediate" now)))
2905 header)
2906 (list
2907 (apply
2908 'nconc
2909 (list
2910 (if (eq type 'lower)
2911 "Lower score"
2912 "Increase score"))
2913 (let (outh)
2914 (while headers
2915 (setq header (car headers))
2916 (setq outh
2917 (cons
2918 (apply
2919 'nconc
2920 (list (car header))
2921 (let ((ts (cdr (assoc (nth 2 header) types)))
2922 outt)
2923 (while ts
2924 (setq outt
2925 (cons
2926 (apply
2927 'nconc
2928 (list (caar ts))
2929 (let ((ps perms)
2930 outp)
2931 (while ps
2932 (setq outp
2933 (cons
2934 (vector
2935 (caar ps)
2936 (list
2937 'gnus-summary-score-entry
2938 (nth 1 header)
2939 (if (or (string= (nth 1 header)
2940 "head")
2941 (string= (nth 1 header)
2942 "body"))
2944 (list 'gnus-summary-header
2945 (nth 1 header)))
2946 (list 'quote (nth 1 (car ts)))
2947 (list 'gnus-score-delta-default
2948 nil)
2949 (nth 1 (car ps))
2952 outp))
2953 (setq ps (cdr ps)))
2954 (list (nreverse outp))))
2955 outt))
2956 (setq ts (cdr ts)))
2957 (list (nreverse outt))))
2958 outh))
2959 (setq headers (cdr headers)))
2960 (list (nreverse outh))))))))
2964 (defun gnus-summary-mode (&optional group)
2965 "Major mode for reading articles.
2967 All normal editing commands are switched off.
2968 \\<gnus-summary-mode-map>
2969 Each line in this buffer represents one article. To read an
2970 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2971 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2972 respectively.
2974 You can also post articles and send mail from this buffer. To
2975 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2976 of an article, type `\\[gnus-summary-reply]'.
2978 There are approx. one gazillion commands you can execute in this
2979 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2981 The following commands are available:
2983 \\{gnus-summary-mode-map}"
2984 (interactive)
2985 (kill-all-local-variables)
2986 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2987 (gnus-summary-make-local-variables))
2988 (gnus-summary-make-local-variables)
2989 (setq gnus-newsgroup-name group)
2990 (when (gnus-visual-p 'summary-menu 'menu)
2991 (gnus-summary-make-menu-bar)
2992 (gnus-summary-make-tool-bar))
2993 (gnus-make-thread-indent-array)
2994 (gnus-simplify-mode-line)
2995 (setq major-mode 'gnus-summary-mode)
2996 (setq mode-name "Summary")
2997 (make-local-variable 'minor-mode-alist)
2998 (use-local-map gnus-summary-mode-map)
2999 (buffer-disable-undo)
3000 (setq buffer-read-only t ;Disable modification
3001 show-trailing-whitespace nil)
3002 (setq truncate-lines t)
3003 (setq selective-display t)
3004 (setq selective-display-ellipses t) ;Display `...'
3005 (gnus-summary-set-display-table)
3006 (gnus-set-default-directory)
3007 (make-local-variable 'gnus-summary-line-format)
3008 (make-local-variable 'gnus-summary-line-format-spec)
3009 (make-local-variable 'gnus-summary-dummy-line-format)
3010 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3011 (make-local-variable 'gnus-summary-mark-positions)
3012 (gnus-make-local-hook 'pre-command-hook)
3013 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3014 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3015 (turn-on-gnus-mailing-list-mode)
3016 (mm-enable-multibyte)
3017 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3018 (gnus-update-summary-mark-positions))
3020 (defun gnus-summary-make-local-variables ()
3021 "Make all the local summary buffer variables."
3022 (let (global)
3023 (dolist (local gnus-summary-local-variables)
3024 (if (consp local)
3025 (progn
3026 (if (eq (cdr local) 'global)
3027 ;; Copy the global value of the variable.
3028 (setq global (symbol-value (car local)))
3029 ;; Use the value from the list.
3030 (setq global (eval (cdr local))))
3031 (set (make-local-variable (car local)) global))
3032 ;; Simple nil-valued local variable.
3033 (set (make-local-variable local) nil)))))
3035 (defun gnus-summary-clear-local-variables ()
3036 (let ((locals gnus-summary-local-variables))
3037 (while locals
3038 (if (consp (car locals))
3039 (and (symbolp (caar locals))
3040 (set (caar locals) nil))
3041 (and (symbolp (car locals))
3042 (set (car locals) nil)))
3043 (setq locals (cdr locals)))))
3045 ;; Summary data functions.
3047 (defmacro gnus-data-number (data)
3048 `(car ,data))
3050 (defmacro gnus-data-set-number (data number)
3051 `(setcar ,data ,number))
3053 (defmacro gnus-data-mark (data)
3054 `(nth 1 ,data))
3056 (defmacro gnus-data-set-mark (data mark)
3057 `(setcar (nthcdr 1 ,data) ,mark))
3059 (defmacro gnus-data-pos (data)
3060 `(nth 2 ,data))
3062 (defmacro gnus-data-set-pos (data pos)
3063 `(setcar (nthcdr 2 ,data) ,pos))
3065 (defmacro gnus-data-header (data)
3066 `(nth 3 ,data))
3068 (defmacro gnus-data-set-header (data header)
3069 `(setf (nth 3 ,data) ,header))
3071 (defmacro gnus-data-level (data)
3072 `(nth 4 ,data))
3074 (defmacro gnus-data-unread-p (data)
3075 `(= (nth 1 ,data) gnus-unread-mark))
3077 (defmacro gnus-data-read-p (data)
3078 `(/= (nth 1 ,data) gnus-unread-mark))
3080 (defmacro gnus-data-pseudo-p (data)
3081 `(consp (nth 3 ,data)))
3083 (defmacro gnus-data-find (number)
3084 `(assq ,number gnus-newsgroup-data))
3086 (defmacro gnus-data-find-list (number &optional data)
3087 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3088 (memq (assq ,number bdata)
3089 bdata)))
3091 (defmacro gnus-data-make (number mark pos header level)
3092 `(list ,number ,mark ,pos ,header ,level))
3094 (defun gnus-data-enter (after-article number mark pos header level offset)
3095 (let ((data (gnus-data-find-list after-article)))
3096 (unless data
3097 (error "No such article: %d" after-article))
3098 (setcdr data (cons (gnus-data-make number mark pos header level)
3099 (cdr data)))
3100 (setq gnus-newsgroup-data-reverse nil)
3101 (gnus-data-update-list (cddr data) offset)))
3103 (defun gnus-data-enter-list (after-article list &optional offset)
3104 (when list
3105 (let ((data (and after-article (gnus-data-find-list after-article)))
3106 (ilist list))
3107 (if (not (or data
3108 after-article))
3109 (let ((odata gnus-newsgroup-data))
3110 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3111 (when offset
3112 (gnus-data-update-list odata offset)))
3113 ;; Find the last element in the list to be spliced into the main
3114 ;; list.
3115 (setq list (last list))
3116 (if (not data)
3117 (progn
3118 (setcdr list gnus-newsgroup-data)
3119 (setq gnus-newsgroup-data ilist)
3120 (when offset
3121 (gnus-data-update-list (cdr list) offset)))
3122 (setcdr list (cdr data))
3123 (setcdr data ilist)
3124 (when offset
3125 (gnus-data-update-list (cdr list) offset))))
3126 (setq gnus-newsgroup-data-reverse nil))))
3128 (defun gnus-data-remove (article &optional offset)
3129 (let ((data gnus-newsgroup-data))
3130 (if (= (gnus-data-number (car data)) article)
3131 (progn
3132 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3133 gnus-newsgroup-data-reverse nil)
3134 (when offset
3135 (gnus-data-update-list gnus-newsgroup-data offset)))
3136 (while (cdr data)
3137 (when (= (gnus-data-number (cadr data)) article)
3138 (setcdr data (cddr data))
3139 (when offset
3140 (gnus-data-update-list (cdr data) offset))
3141 (setq data nil
3142 gnus-newsgroup-data-reverse nil))
3143 (setq data (cdr data))))))
3145 (defmacro gnus-data-list (backward)
3146 `(if ,backward
3147 (or gnus-newsgroup-data-reverse
3148 (setq gnus-newsgroup-data-reverse
3149 (reverse gnus-newsgroup-data)))
3150 gnus-newsgroup-data))
3152 (defun gnus-data-update-list (data offset)
3153 "Add OFFSET to the POS of all data entries in DATA."
3154 (setq gnus-newsgroup-data-reverse nil)
3155 (while data
3156 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3157 (setq data (cdr data))))
3159 (defun gnus-summary-article-pseudo-p (article)
3160 "Say whether this article is a pseudo article or not."
3161 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3163 (defmacro gnus-summary-article-sparse-p (article)
3164 "Say whether this article is a sparse article or not."
3165 `(memq ,article gnus-newsgroup-sparse))
3167 (defmacro gnus-summary-article-ancient-p (article)
3168 "Say whether this article is a sparse article or not."
3169 `(memq ,article gnus-newsgroup-ancient))
3171 (defun gnus-article-parent-p (number)
3172 "Say whether this article is a parent or not."
3173 (let ((data (gnus-data-find-list number)))
3174 (and (cdr data) ; There has to be an article after...
3175 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3176 (gnus-data-level (nth 1 data))))))
3178 (defun gnus-article-children (number)
3179 "Return a list of all children to NUMBER."
3180 (let* ((data (gnus-data-find-list number))
3181 (level (gnus-data-level (car data)))
3182 children)
3183 (setq data (cdr data))
3184 (while (and data
3185 (= (gnus-data-level (car data)) (1+ level)))
3186 (push (gnus-data-number (car data)) children)
3187 (setq data (cdr data)))
3188 children))
3190 (defmacro gnus-summary-skip-intangible ()
3191 "If the current article is intangible, then jump to a different article."
3192 '(let ((to (get-text-property (point) 'gnus-intangible)))
3193 (and to (gnus-summary-goto-subject to))))
3195 (defmacro gnus-summary-article-intangible-p ()
3196 "Say whether this article is intangible or not."
3197 '(get-text-property (point) 'gnus-intangible))
3199 (defun gnus-article-read-p (article)
3200 "Say whether ARTICLE is read or not."
3201 (not (or (memq article gnus-newsgroup-marked)
3202 (memq article gnus-newsgroup-spam-marked)
3203 (memq article gnus-newsgroup-unreads)
3204 (memq article gnus-newsgroup-unselected)
3205 (memq article gnus-newsgroup-dormant))))
3207 ;; Some summary mode macros.
3209 (defmacro gnus-summary-article-number ()
3210 "The article number of the article on the current line.
3211 If there isn't an article number here, then we return the current
3212 article number."
3213 '(progn
3214 (gnus-summary-skip-intangible)
3215 (or (get-text-property (point) 'gnus-number)
3216 (gnus-summary-last-subject))))
3218 (defmacro gnus-summary-article-header (&optional number)
3219 "Return the header of article NUMBER."
3220 `(gnus-data-header (gnus-data-find
3221 ,(or number '(gnus-summary-article-number)))))
3223 (defmacro gnus-summary-thread-level (&optional number)
3224 "Return the level of thread that starts with article NUMBER."
3225 `(if (and (eq gnus-summary-make-false-root 'dummy)
3226 (get-text-property (point) 'gnus-intangible))
3228 (gnus-data-level (gnus-data-find
3229 ,(or number '(gnus-summary-article-number))))))
3231 (defmacro gnus-summary-article-mark (&optional number)
3232 "Return the mark of article NUMBER."
3233 `(gnus-data-mark (gnus-data-find
3234 ,(or number '(gnus-summary-article-number)))))
3236 (defmacro gnus-summary-article-pos (&optional number)
3237 "Return the position of the line of article NUMBER."
3238 `(gnus-data-pos (gnus-data-find
3239 ,(or number '(gnus-summary-article-number)))))
3241 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3242 (defmacro gnus-summary-article-subject (&optional number)
3243 "Return current subject string or nil if nothing."
3244 `(let ((headers
3245 ,(if number
3246 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3247 '(gnus-data-header (assq (gnus-summary-article-number)
3248 gnus-newsgroup-data)))))
3249 (and headers
3250 (vectorp headers)
3251 (mail-header-subject headers))))
3253 (defmacro gnus-summary-article-score (&optional number)
3254 "Return current article score."
3255 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3256 gnus-newsgroup-scored))
3257 gnus-summary-default-score 0))
3259 (defun gnus-summary-article-children (&optional number)
3260 "Return a list of article numbers that are children of article NUMBER."
3261 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3262 (level (gnus-data-level (car data)))
3263 l children)
3264 (while (and (setq data (cdr data))
3265 (> (setq l (gnus-data-level (car data))) level))
3266 (and (= (1+ level) l)
3267 (push (gnus-data-number (car data))
3268 children)))
3269 (nreverse children)))
3271 (defun gnus-summary-article-parent (&optional number)
3272 "Return the article number of the parent of article NUMBER."
3273 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3274 (gnus-data-list t)))
3275 (level (gnus-data-level (car data))))
3276 (if (zerop level)
3277 () ; This is a root.
3278 ;; We search until we find an article with a level less than
3279 ;; this one. That function has to be the parent.
3280 (while (and (setq data (cdr data))
3281 (not (< (gnus-data-level (car data)) level))))
3282 (and data (gnus-data-number (car data))))))
3284 (defun gnus-unread-mark-p (mark)
3285 "Say whether MARK is the unread mark."
3286 (= mark gnus-unread-mark))
3288 (defun gnus-read-mark-p (mark)
3289 "Say whether MARK is one of the marks that mark as read.
3290 This is all marks except unread, ticked, dormant, and expirable."
3291 (not (or (= mark gnus-unread-mark)
3292 (= mark gnus-ticked-mark)
3293 (= mark gnus-spam-mark)
3294 (= mark gnus-dormant-mark)
3295 (= mark gnus-expirable-mark))))
3297 (defmacro gnus-article-mark (number)
3298 "Return the MARK of article NUMBER.
3299 This macro should only be used when computing the mark the \"first\"
3300 time; i.e., when generating the summary lines. After that,
3301 `gnus-summary-article-mark' should be used to examine the
3302 marks of articles."
3303 `(cond
3304 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3305 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3306 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3307 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3308 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3309 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3310 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3311 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3312 gnus-ancient-mark))))
3314 ;; Saving hidden threads.
3316 (defmacro gnus-save-hidden-threads (&rest forms)
3317 "Save hidden threads, eval FORMS, and restore the hidden threads."
3318 (let ((config (make-symbol "config")))
3319 `(let ((,config (gnus-hidden-threads-configuration)))
3320 (unwind-protect
3321 (save-excursion
3322 ,@forms)
3323 (gnus-restore-hidden-threads-configuration ,config)))))
3324 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3325 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3327 (defun gnus-data-compute-positions ()
3328 "Compute the positions of all articles."
3329 (setq gnus-newsgroup-data-reverse nil)
3330 (let ((data gnus-newsgroup-data))
3331 (save-excursion
3332 (gnus-save-hidden-threads
3333 (gnus-summary-show-all-threads)
3334 (goto-char (point-min))
3335 (while data
3336 (while (get-text-property (point) 'gnus-intangible)
3337 (forward-line 1))
3338 (gnus-data-set-pos (car data) (+ (point) 3))
3339 (setq data (cdr data))
3340 (forward-line 1))))))
3342 (defun gnus-hidden-threads-configuration ()
3343 "Return the current hidden threads configuration."
3344 (save-excursion
3345 (let (config)
3346 (goto-char (point-min))
3347 (while (search-forward "\r" nil t)
3348 (push (1- (point)) config))
3349 config)))
3351 (defun gnus-restore-hidden-threads-configuration (config)
3352 "Restore hidden threads configuration from CONFIG."
3353 (save-excursion
3354 (let (point buffer-read-only)
3355 (while (setq point (pop config))
3356 (when (and (< point (point-max))
3357 (goto-char point)
3358 (eq (char-after) ?\n))
3359 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3361 ;; Various summary mode internalish functions.
3363 (defun gnus-mouse-pick-article (e)
3364 (interactive "e")
3365 (mouse-set-point e)
3366 (gnus-summary-next-page nil t))
3368 (defun gnus-summary-set-display-table ()
3369 "Change the display table.
3370 Odd characters have a tendency to mess
3371 up nicely formatted displays - we make all possible glyphs
3372 display only a single character."
3374 ;; We start from the standard display table, if any.
3375 (let ((table (or (copy-sequence standard-display-table)
3376 (make-display-table)))
3377 (i 32))
3378 ;; Nix out all the control chars...
3379 (while (>= (setq i (1- i)) 0)
3380 (aset table i [??]))
3381 ;; ... but not newline and cr, of course. (cr is necessary for the
3382 ;; selective display).
3383 (aset table ?\n nil)
3384 (aset table ?\r nil)
3385 ;; We keep TAB as well.
3386 (aset table ?\t nil)
3387 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3388 ;; Emacs 23 (unicode), that are not set already.
3389 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3391 256)))
3392 (while (>= (setq i (1- i)) 127)
3393 ;; Only modify if the entry is nil.
3394 (unless (aref table i)
3395 (aset table i [??]))))
3396 (setq buffer-display-table table)))
3398 (defun gnus-summary-set-article-display-arrow (pos)
3399 "Update the overlay arrow to point to line at position POS."
3400 (when (and gnus-summary-display-arrow
3401 (boundp 'overlay-arrow-position)
3402 (boundp 'overlay-arrow-string))
3403 (save-excursion
3404 (goto-char pos)
3405 (beginning-of-line)
3406 (unless overlay-arrow-position
3407 (setq overlay-arrow-position (make-marker)))
3408 (setq overlay-arrow-string "=>"
3409 overlay-arrow-position (set-marker overlay-arrow-position
3410 (point)
3411 (current-buffer))))))
3413 (defun gnus-summary-setup-buffer (group)
3414 "Initialize summary buffer."
3415 (let ((buffer (gnus-summary-buffer-name group))
3416 (dead-name (concat "*Dead Summary "
3417 (gnus-group-decoded-name group) "*")))
3418 ;; If a dead summary buffer exists, we kill it.
3419 (when (gnus-buffer-live-p dead-name)
3420 (gnus-kill-buffer dead-name))
3421 (if (get-buffer buffer)
3422 (progn
3423 (set-buffer buffer)
3424 (setq gnus-summary-buffer (current-buffer))
3425 (not gnus-newsgroup-prepared))
3426 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3427 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3428 (gnus-summary-mode group)
3429 (when gnus-carpal
3430 (gnus-carpal-setup-buffer 'summary))
3431 (when (gnus-group-quit-config group)
3432 (set (make-local-variable 'gnus-single-article-buffer) nil))
3433 (make-local-variable 'gnus-article-buffer)
3434 (make-local-variable 'gnus-article-current)
3435 (make-local-variable 'gnus-original-article-buffer)
3436 (setq gnus-newsgroup-name group)
3437 ;; Set any local variables in the group parameters.
3438 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3439 t)))
3441 (defun gnus-set-global-variables ()
3442 "Set the global equivalents of the buffer-local variables.
3443 They are set to the latest values they had. These reflect the summary
3444 buffer that was in action when the last article was fetched."
3445 (when (eq major-mode 'gnus-summary-mode)
3446 (setq gnus-summary-buffer (current-buffer))
3447 (let ((name gnus-newsgroup-name)
3448 (marked gnus-newsgroup-marked)
3449 (spam gnus-newsgroup-spam-marked)
3450 (unread gnus-newsgroup-unreads)
3451 (headers gnus-current-headers)
3452 (data gnus-newsgroup-data)
3453 (summary gnus-summary-buffer)
3454 (article-buffer gnus-article-buffer)
3455 (original gnus-original-article-buffer)
3456 (gac gnus-article-current)
3457 (reffed gnus-reffed-article-number)
3458 (score-file gnus-current-score-file)
3459 (default-charset gnus-newsgroup-charset)
3460 vlist)
3461 (let ((locals gnus-newsgroup-variables))
3462 (while locals
3463 (if (consp (car locals))
3464 (push (eval (caar locals)) vlist)
3465 (push (eval (car locals)) vlist))
3466 (setq locals (cdr locals)))
3467 (setq vlist (nreverse vlist)))
3468 (with-current-buffer gnus-group-buffer
3469 (setq gnus-newsgroup-name name
3470 gnus-newsgroup-marked marked
3471 gnus-newsgroup-spam-marked spam
3472 gnus-newsgroup-unreads unread
3473 gnus-current-headers headers
3474 gnus-newsgroup-data data
3475 gnus-article-current gac
3476 gnus-summary-buffer summary
3477 gnus-article-buffer article-buffer
3478 gnus-original-article-buffer original
3479 gnus-reffed-article-number reffed
3480 gnus-current-score-file score-file
3481 gnus-newsgroup-charset default-charset)
3482 (let ((locals gnus-newsgroup-variables))
3483 (while locals
3484 (if (consp (car locals))
3485 (set (caar locals) (pop vlist))
3486 (set (car locals) (pop vlist)))
3487 (setq locals (cdr locals))))
3488 ;; The article buffer also has local variables.
3489 (when (gnus-buffer-live-p gnus-article-buffer)
3490 (set-buffer gnus-article-buffer)
3491 (setq gnus-summary-buffer summary))))))
3493 (defun gnus-summary-article-unread-p (article)
3494 "Say whether ARTICLE is unread or not."
3495 (memq article gnus-newsgroup-unreads))
3497 (defun gnus-summary-first-article-p (&optional article)
3498 "Return whether ARTICLE is the first article in the buffer."
3499 (if (not (setq article (or article (gnus-summary-article-number))))
3501 (eq article (caar gnus-newsgroup-data))))
3503 (defun gnus-summary-last-article-p (&optional article)
3504 "Return whether ARTICLE is the last article in the buffer."
3505 (if (not (setq article (or article (gnus-summary-article-number))))
3506 ;; All non-existent numbers are the last article. :-)
3508 (not (cdr (gnus-data-find-list article)))))
3510 (defun gnus-make-thread-indent-array (&optional n)
3511 (when (or n
3512 (progn (setq n 200) nil)
3513 (null gnus-thread-indent-array)
3514 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3515 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3516 gnus-thread-indent-array-level gnus-thread-indent-level)
3517 (while (>= n 0)
3518 (aset gnus-thread-indent-array n
3519 (make-string (* n gnus-thread-indent-level) ? ))
3520 (setq n (1- n)))))
3522 (defun gnus-update-summary-mark-positions ()
3523 "Compute where the summary marks are to go."
3524 (save-excursion
3525 (when (gnus-buffer-exists-p gnus-summary-buffer)
3526 (set-buffer gnus-summary-buffer))
3527 (let ((spec gnus-summary-line-format-spec)
3528 pos)
3529 (save-excursion
3530 (gnus-set-work-buffer)
3531 (let ((gnus-tmp-unread ?Z)
3532 (gnus-replied-mark ?Z)
3533 (gnus-score-below-mark ?Z)
3534 (gnus-score-over-mark ?Z)
3535 (gnus-undownloaded-mark ?Z)
3536 (gnus-summary-line-format-spec spec)
3537 (gnus-newsgroup-downloadable '(0))
3538 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3539 case-fold-search ignores)
3540 ;; Here, all marks are bound to Z.
3541 (gnus-summary-insert-line header
3542 0 nil t gnus-tmp-unread t nil "" nil 1)
3543 (goto-char (point-min))
3544 ;; Memorize the positions of the same characters as dummy marks.
3545 (while (re-search-forward "[A-D]" nil t)
3546 (push (point) ignores))
3547 (erase-buffer)
3548 ;; We use A-D as dummy marks in order to know column positions
3549 ;; where marks should be inserted.
3550 (setq gnus-tmp-unread ?A
3551 gnus-replied-mark ?B
3552 gnus-score-below-mark ?C
3553 gnus-score-over-mark ?C
3554 gnus-undownloaded-mark ?D)
3555 (gnus-summary-insert-line header
3556 0 nil t gnus-tmp-unread t nil "" nil 1)
3557 ;; Ignore characters which aren't dummy marks.
3558 (dolist (p ignores)
3559 (delete-region (goto-char (1- p)) p)
3560 (insert ?Z))
3561 (goto-char (point-min))
3562 (setq pos (list (cons 'unread
3563 (and (search-forward "A" nil t)
3564 (- (point) (point-min) 1)))))
3565 (goto-char (point-min))
3566 (push (cons 'replied (and (search-forward "B" nil t)
3567 (- (point) (point-min) 1)))
3568 pos)
3569 (goto-char (point-min))
3570 (push (cons 'score (and (search-forward "C" nil t)
3571 (- (point) (point-min) 1)))
3572 pos)
3573 (goto-char (point-min))
3574 (push (cons 'download (and (search-forward "D" nil t)
3575 (- (point) (point-min) 1)))
3576 pos)))
3577 (setq gnus-summary-mark-positions pos))))
3579 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3580 "Insert a dummy root in the summary buffer."
3581 (beginning-of-line)
3582 (gnus-add-text-properties
3583 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3584 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3586 (defun gnus-summary-extract-address-component (from)
3587 (or (car (funcall gnus-extract-address-components from))
3588 from))
3590 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3591 (let ((mail-parse-charset gnus-newsgroup-charset)
3592 (ignored-from-addresses (gnus-ignored-from-addresses))
3593 ; Is it really necessary to do this next part for each summary line?
3594 ; Luckily, doesn't seem to slow things down much.
3595 (mail-parse-ignored-charsets
3596 (with-current-buffer gnus-summary-buffer
3597 gnus-newsgroup-ignored-charsets)))
3599 (and ignored-from-addresses
3600 (string-match ignored-from-addresses gnus-tmp-from)
3601 (let ((extra-headers (mail-header-extra header))
3603 newsgroups)
3604 (cond
3605 ((setq to (cdr (assq 'To extra-headers)))
3606 (concat gnus-summary-to-prefix
3607 (inline
3608 (gnus-summary-extract-address-component
3609 (funcall gnus-decode-encoded-address-function to)))))
3610 ((setq newsgroups
3612 (cdr (assq 'Newsgroups extra-headers))
3613 (and
3614 (memq 'Newsgroups gnus-extra-headers)
3615 (eq (car (gnus-find-method-for-group
3616 gnus-newsgroup-name)) 'nntp)
3617 (gnus-group-real-name gnus-newsgroup-name))))
3618 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3619 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3621 (defun gnus-summary-insert-line (gnus-tmp-header
3622 gnus-tmp-level gnus-tmp-current
3623 undownloaded gnus-tmp-unread gnus-tmp-replied
3624 gnus-tmp-expirable gnus-tmp-subject-or-nil
3625 &optional gnus-tmp-dummy gnus-tmp-score
3626 gnus-tmp-process)
3627 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3628 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3629 gnus-tmp-level)))
3630 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3631 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3632 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3633 (gnus-tmp-score-char
3634 (if (or (null gnus-summary-default-score)
3635 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3636 gnus-summary-zcore-fuzz))
3637 ? ;Whitespace
3638 (if (< gnus-tmp-score gnus-summary-default-score)
3639 gnus-score-below-mark gnus-score-over-mark)))
3640 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3641 (gnus-tmp-replied
3642 (cond (gnus-tmp-process gnus-process-mark)
3643 ((memq gnus-tmp-current gnus-newsgroup-cached)
3644 gnus-cached-mark)
3645 (gnus-tmp-replied gnus-replied-mark)
3646 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3647 gnus-forwarded-mark)
3648 ((memq gnus-tmp-current gnus-newsgroup-saved)
3649 gnus-saved-mark)
3650 ((memq gnus-tmp-number gnus-newsgroup-recent)
3651 gnus-recent-mark)
3652 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3653 gnus-unseen-mark)
3654 (t gnus-no-mark)))
3655 (gnus-tmp-downloaded
3656 (cond (undownloaded
3657 gnus-undownloaded-mark)
3658 (gnus-newsgroup-agentized
3659 gnus-downloaded-mark)
3661 gnus-no-mark)))
3662 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3663 (gnus-tmp-name
3664 (cond
3665 ((string-match "<[^>]+> *$" gnus-tmp-from)
3666 (let ((beg (match-beginning 0)))
3667 (or (and (string-match "^\".+\"" gnus-tmp-from)
3668 (substring gnus-tmp-from 1 (1- (match-end 0))))
3669 (substring gnus-tmp-from 0 beg))))
3670 ((string-match "(.+)" gnus-tmp-from)
3671 (substring gnus-tmp-from
3672 (1+ (match-beginning 0)) (1- (match-end 0))))
3673 (t gnus-tmp-from)))
3674 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3675 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3676 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3677 (buffer-read-only nil))
3678 (when (string= gnus-tmp-name "")
3679 (setq gnus-tmp-name gnus-tmp-from))
3680 (unless (numberp gnus-tmp-lines)
3681 (setq gnus-tmp-lines -1))
3682 (if (= gnus-tmp-lines -1)
3683 (setq gnus-tmp-lines "?")
3684 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3685 (gnus-put-text-property
3686 (point)
3687 (progn (eval gnus-summary-line-format-spec) (point))
3688 'gnus-number gnus-tmp-number)
3689 (when (gnus-visual-p 'summary-highlight 'highlight)
3690 (forward-line -1)
3691 (gnus-run-hooks 'gnus-summary-update-hook)
3692 (forward-line 1))))
3694 (defun gnus-summary-update-line (&optional dont-update)
3695 "Update summary line after change."
3696 (when (and gnus-summary-default-score
3697 (not gnus-summary-inhibit-highlight))
3698 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3699 (article (gnus-summary-article-number))
3700 (score (gnus-summary-article-score article)))
3701 (unless dont-update
3702 (if (and gnus-summary-mark-below
3703 (< (gnus-summary-article-score)
3704 gnus-summary-mark-below))
3705 ;; This article has a low score, so we mark it as read.
3706 (when (memq article gnus-newsgroup-unreads)
3707 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3708 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3709 ;; This article was previously marked as read on account
3710 ;; of a low score, but now it has risen, so we mark it as
3711 ;; unread.
3712 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3713 (gnus-summary-update-mark
3714 (if (or (null gnus-summary-default-score)
3715 (<= (abs (- score gnus-summary-default-score))
3716 gnus-summary-zcore-fuzz))
3717 ? ;Whitespace
3718 (if (< score gnus-summary-default-score)
3719 gnus-score-below-mark gnus-score-over-mark))
3720 'score))
3721 ;; Do visual highlighting.
3722 (when (gnus-visual-p 'summary-highlight 'highlight)
3723 (gnus-run-hooks 'gnus-summary-update-hook)))))
3725 (defvar gnus-tmp-new-adopts nil)
3727 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3728 "Return the number of articles in THREAD.
3729 This may be 0 in some cases -- if none of the articles in
3730 the thread are to be displayed."
3731 (let* ((number
3732 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3733 (cond
3734 ((not (listp thread))
3736 ((and (consp thread) (cdr thread))
3737 (apply
3738 '+ 1 (mapcar
3739 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3740 ((null thread)
3742 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3744 (t 0))))
3745 (when (and level (zerop level) gnus-tmp-new-adopts)
3746 (incf number
3747 (apply '+ (mapcar
3748 'gnus-summary-number-of-articles-in-thread
3749 gnus-tmp-new-adopts))))
3750 (if char
3751 (if (> number 1) gnus-not-empty-thread-mark
3752 gnus-empty-thread-mark)
3753 number)))
3755 (defsubst gnus-summary-line-message-size (head)
3756 "Return pretty-printed version of message size.
3757 This function is intended to be used in
3758 `gnus-summary-line-format-alist'."
3759 (let ((c (or (mail-header-chars head) -1)))
3760 (cond ((< c 0) "n/a") ; chars not available
3761 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3762 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3763 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3764 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3767 (defun gnus-summary-set-local-parameters (group)
3768 "Go through the local params of GROUP and set all variable specs in that list."
3769 (let ((vars '(quit-config))) ; Ignore quit-config.
3770 (dolist (elem (gnus-group-find-parameter group))
3771 (and (consp elem) ; Has to be a cons.
3772 (consp (cdr elem)) ; The cdr has to be a list.
3773 (symbolp (car elem)) ; Has to be a symbol in there.
3774 (not (memq (car elem) vars))
3775 (ignore-errors ; So we set it.
3776 (push (car elem) vars)
3777 (make-local-variable (car elem))
3778 (set (car elem) (eval (nth 1 elem))))))))
3780 (defun gnus-summary-read-group (group &optional show-all no-article
3781 kill-buffer no-display backward
3782 select-articles)
3783 "Start reading news in newsgroup GROUP.
3784 If SHOW-ALL is non-nil, already read articles are also listed.
3785 If NO-ARTICLE is non-nil, no article is selected initially.
3786 If NO-DISPLAY, don't generate a summary buffer."
3787 (let (result)
3788 (while (and group
3789 (null (setq result
3790 (let ((gnus-auto-select-next nil))
3791 (or (gnus-summary-read-group-1
3792 group show-all no-article
3793 kill-buffer no-display
3794 select-articles)
3795 (setq show-all nil
3796 select-articles nil)))))
3797 (eq gnus-auto-select-next 'quietly))
3798 (set-buffer gnus-group-buffer)
3799 ;; The entry function called above goes to the next
3800 ;; group automatically, so we go two groups back
3801 ;; if we are searching for the previous group.
3802 (when backward
3803 (gnus-group-prev-unread-group 2))
3804 (if (not (equal group (gnus-group-group-name)))
3805 (setq group (gnus-group-group-name))
3806 (setq group nil)))
3807 result))
3809 (defun gnus-summary-read-group-1 (group show-all no-article
3810 kill-buffer no-display
3811 &optional select-articles)
3812 ;; Killed foreign groups can't be entered.
3813 ;; (when (and (not (gnus-group-native-p group))
3814 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3815 ;; (error "Dead non-native groups can't be entered"))
3816 (gnus-message 5 "Retrieving newsgroup: %s..."
3817 (gnus-group-decoded-name group))
3818 (let* ((new-group (gnus-summary-setup-buffer group))
3819 (quit-config (gnus-group-quit-config group))
3820 (did-select (and new-group (gnus-select-newsgroup
3821 group show-all select-articles))))
3822 (cond
3823 ;; This summary buffer exists already, so we just select it.
3824 ((not new-group)
3825 (gnus-set-global-variables)
3826 (when kill-buffer
3827 (gnus-kill-or-deaden-summary kill-buffer))
3828 (gnus-configure-windows 'summary 'force)
3829 (gnus-set-mode-line 'summary)
3830 (gnus-summary-position-point)
3831 (message "")
3833 ;; We couldn't select this group.
3834 ((null did-select)
3835 (when (and (eq major-mode 'gnus-summary-mode)
3836 (not (equal (current-buffer) kill-buffer)))
3837 (kill-buffer (current-buffer))
3838 (if (not quit-config)
3839 (progn
3840 ;; Update the info -- marks might need to be removed,
3841 ;; for instance.
3842 (gnus-summary-update-info)
3843 (set-buffer gnus-group-buffer)
3844 (gnus-group-jump-to-group group)
3845 (gnus-group-next-unread-group 1))
3846 (gnus-handle-ephemeral-exit quit-config)))
3847 (let ((grpinfo (gnus-get-info group)))
3848 (if (null (gnus-info-read grpinfo))
3849 (gnus-message 3 "Group %s contains no messages"
3850 (gnus-group-decoded-name group))
3851 (gnus-message 3 "Can't select group")))
3852 nil)
3853 ;; The user did a `C-g' while prompting for number of articles,
3854 ;; so we exit this group.
3855 ((eq did-select 'quit)
3856 (and (eq major-mode 'gnus-summary-mode)
3857 (not (equal (current-buffer) kill-buffer))
3858 (kill-buffer (current-buffer)))
3859 (when kill-buffer
3860 (gnus-kill-or-deaden-summary kill-buffer))
3861 (if (not quit-config)
3862 (progn
3863 (set-buffer gnus-group-buffer)
3864 (gnus-group-jump-to-group group)
3865 (gnus-group-next-unread-group 1)
3866 (gnus-configure-windows 'group 'force))
3867 (gnus-handle-ephemeral-exit quit-config))
3868 ;; Finally signal the quit.
3869 (signal 'quit nil))
3870 ;; The group was successfully selected.
3872 (gnus-set-global-variables)
3873 ;; Save the active value in effect when the group was entered.
3874 (setq gnus-newsgroup-active
3875 (gnus-copy-sequence
3876 (gnus-active gnus-newsgroup-name)))
3877 ;; You can change the summary buffer in some way with this hook.
3878 (gnus-run-hooks 'gnus-select-group-hook)
3879 (when (memq 'summary (gnus-update-format-specifications
3880 nil 'summary 'summary-mode 'summary-dummy))
3881 ;; The format specification for the summary line was updated,
3882 ;; so we need to update the mark positions as well.
3883 (gnus-update-summary-mark-positions))
3884 ;; Do score processing.
3885 (when gnus-use-scoring
3886 (gnus-possibly-score-headers))
3887 ;; Check whether to fill in the gaps in the threads.
3888 (when gnus-build-sparse-threads
3889 (gnus-build-sparse-threads))
3890 ;; Find the initial limit.
3891 (if show-all
3892 (let ((gnus-newsgroup-dormant nil))
3893 (gnus-summary-initial-limit show-all))
3894 (gnus-summary-initial-limit show-all))
3895 ;; Generate the summary buffer.
3896 (unless no-display
3897 (gnus-summary-prepare))
3898 (when gnus-use-trees
3899 (gnus-tree-open group)
3900 (setq gnus-summary-highlight-line-function
3901 'gnus-tree-highlight-article))
3902 ;; If the summary buffer is empty, but there are some low-scored
3903 ;; articles or some excluded dormants, we include these in the
3904 ;; buffer.
3905 (when (and (zerop (buffer-size))
3906 (not no-display))
3907 (cond (gnus-newsgroup-dormant
3908 (gnus-summary-limit-include-dormant))
3909 ((and gnus-newsgroup-scored show-all)
3910 (gnus-summary-limit-include-expunged t))))
3911 ;; Function `gnus-apply-kill-file' must be called in this hook.
3912 (gnus-run-hooks 'gnus-apply-kill-hook)
3913 (if (and (zerop (buffer-size))
3914 (not no-display))
3915 (progn
3916 ;; This newsgroup is empty.
3917 (gnus-summary-catchup-and-exit nil t)
3918 (gnus-message 6 "No unread news")
3919 (when kill-buffer
3920 (gnus-kill-or-deaden-summary kill-buffer))
3921 ;; Return nil from this function.
3922 nil)
3923 ;; Hide conversation thread subtrees. We cannot do this in
3924 ;; gnus-summary-prepare-hook since kill processing may not
3925 ;; work with hidden articles.
3926 (gnus-summary-maybe-hide-threads)
3927 (when kill-buffer
3928 (gnus-kill-or-deaden-summary kill-buffer))
3929 (gnus-summary-auto-select-subject)
3930 ;; Show first unread article if requested.
3931 (if (and (not no-article)
3932 (not no-display)
3933 gnus-newsgroup-unreads
3934 gnus-auto-select-first)
3935 (progn
3936 (gnus-configure-windows 'summary)
3937 (let ((art (gnus-summary-article-number)))
3938 (unless (and (not gnus-plugged)
3939 (or (memq art gnus-newsgroup-undownloaded)
3940 (memq art gnus-newsgroup-downloadable)))
3941 (gnus-summary-goto-article art))))
3942 ;; Don't select any articles.
3943 (gnus-summary-position-point)
3944 (gnus-configure-windows 'summary 'force)
3945 (gnus-set-mode-line 'summary))
3946 (when (and gnus-auto-center-group
3947 (get-buffer-window gnus-group-buffer t))
3948 ;; Gotta use windows, because recenter does weird stuff if
3949 ;; the current buffer ain't the displayed window.
3950 (let ((owin (selected-window)))
3951 (select-window (get-buffer-window gnus-group-buffer t))
3952 (when (gnus-group-goto-group group)
3953 (recenter))
3954 (select-window owin)))
3955 ;; Mark this buffer as "prepared".
3956 (setq gnus-newsgroup-prepared t)
3957 (gnus-run-hooks 'gnus-summary-prepared-hook)
3958 (unless (gnus-ephemeral-group-p group)
3959 (gnus-group-update-group group))
3960 t)))))
3962 (defun gnus-summary-auto-select-subject ()
3963 "Select the subject line on initial group entry."
3964 (goto-char (point-min))
3965 (cond
3966 ((eq gnus-auto-select-subject 'best)
3967 (gnus-summary-best-unread-subject))
3968 ((eq gnus-auto-select-subject 'unread)
3969 (gnus-summary-first-unread-subject))
3970 ((eq gnus-auto-select-subject 'unseen)
3971 (gnus-summary-first-unseen-subject))
3972 ((eq gnus-auto-select-subject 'unseen-or-unread)
3973 (gnus-summary-first-unseen-or-unread-subject))
3974 ((eq gnus-auto-select-subject 'first)
3975 ;; Do nothing.
3977 ((functionp gnus-auto-select-subject)
3978 (funcall gnus-auto-select-subject))))
3980 (defun gnus-summary-prepare ()
3981 "Generate the summary buffer."
3982 (interactive)
3983 (let ((buffer-read-only nil))
3984 (erase-buffer)
3985 (setq gnus-newsgroup-data nil
3986 gnus-newsgroup-data-reverse nil)
3987 (gnus-run-hooks 'gnus-summary-generate-hook)
3988 ;; Generate the buffer, either with threads or without.
3989 (when gnus-newsgroup-headers
3990 (gnus-summary-prepare-threads
3991 (if gnus-show-threads
3992 (gnus-sort-gathered-threads
3993 (funcall gnus-summary-thread-gathering-function
3994 (gnus-sort-threads
3995 (gnus-cut-threads (gnus-make-threads)))))
3996 ;; Unthreaded display.
3997 (gnus-sort-articles gnus-newsgroup-headers))))
3998 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3999 ;; Call hooks for modifying summary buffer.
4000 (goto-char (point-min))
4001 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4003 (defsubst gnus-general-simplify-subject (subject)
4004 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4005 (setq subject
4006 (cond
4007 ;; Truncate the subject.
4008 (gnus-simplify-subject-functions
4009 (gnus-map-function gnus-simplify-subject-functions subject))
4010 ((numberp gnus-summary-gather-subject-limit)
4011 (setq subject (gnus-simplify-subject-re subject))
4012 (if (> (length subject) gnus-summary-gather-subject-limit)
4013 (substring subject 0 gnus-summary-gather-subject-limit)
4014 subject))
4015 ;; Fuzzily simplify it.
4016 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4017 (gnus-simplify-subject-fuzzy subject))
4018 ;; Just remove the leading "Re:".
4020 (gnus-simplify-subject-re subject))))
4022 (if (and gnus-summary-gather-exclude-subject
4023 (string-match gnus-summary-gather-exclude-subject subject))
4024 nil ; This article shouldn't be gathered
4025 subject))
4027 (defun gnus-summary-simplify-subject-query ()
4028 "Query where the respool algorithm would put this article."
4029 (interactive)
4030 (gnus-summary-select-article)
4031 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4033 (defun gnus-gather-threads-by-subject (threads)
4034 "Gather threads by looking at Subject headers."
4035 (if (not gnus-summary-make-false-root)
4036 threads
4037 (let ((hashtb (gnus-make-hashtable 1024))
4038 (prev threads)
4039 (result threads)
4040 subject hthread whole-subject)
4041 (while threads
4042 (setq subject (gnus-general-simplify-subject
4043 (setq whole-subject (mail-header-subject
4044 (caar threads)))))
4045 (when subject
4046 (if (setq hthread (gnus-gethash subject hashtb))
4047 (progn
4048 ;; We enter a dummy root into the thread, if we
4049 ;; haven't done that already.
4050 (unless (stringp (caar hthread))
4051 (setcar hthread (list whole-subject (car hthread))))
4052 ;; We add this new gathered thread to this gathered
4053 ;; thread.
4054 (setcdr (car hthread)
4055 (nconc (cdar hthread) (list (car threads))))
4056 ;; Remove it from the list of threads.
4057 (setcdr prev (cdr threads))
4058 (setq threads prev))
4059 ;; Enter this thread into the hash table.
4060 (gnus-sethash subject
4061 (if gnus-summary-make-false-root-always
4062 (progn
4063 ;; If you want a dummy root above all
4064 ;; threads...
4065 (setcar threads (list whole-subject
4066 (car threads)))
4067 threads)
4068 threads)
4069 hashtb)))
4070 (setq prev threads)
4071 (setq threads (cdr threads)))
4072 result)))
4074 (defun gnus-gather-threads-by-references (threads)
4075 "Gather threads by looking at References headers."
4076 (let ((idhashtb (gnus-make-hashtable 1024))
4077 (thhashtb (gnus-make-hashtable 1024))
4078 (prev threads)
4079 (result threads)
4080 ids references id gthread gid entered ref)
4081 (while threads
4082 (when (setq references (mail-header-references (caar threads)))
4083 (setq id (mail-header-id (caar threads))
4084 ids (inline (gnus-split-references references))
4085 entered nil)
4086 (while (setq ref (pop ids))
4087 (setq ids (delete ref ids))
4088 (if (not (setq gid (gnus-gethash ref idhashtb)))
4089 (progn
4090 (gnus-sethash ref id idhashtb)
4091 (gnus-sethash id threads thhashtb))
4092 (setq gthread (gnus-gethash gid thhashtb))
4093 (unless entered
4094 ;; We enter a dummy root into the thread, if we
4095 ;; haven't done that already.
4096 (unless (stringp (caar gthread))
4097 (setcar gthread (list (mail-header-subject (caar gthread))
4098 (car gthread))))
4099 ;; We add this new gathered thread to this gathered
4100 ;; thread.
4101 (setcdr (car gthread)
4102 (nconc (cdar gthread) (list (car threads)))))
4103 ;; Add it into the thread hash table.
4104 (gnus-sethash id gthread thhashtb)
4105 (setq entered t)
4106 ;; Remove it from the list of threads.
4107 (setcdr prev (cdr threads))
4108 (setq threads prev))))
4109 (setq prev threads)
4110 (setq threads (cdr threads)))
4111 result))
4113 (defun gnus-sort-gathered-threads (threads)
4114 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4115 (let ((result threads))
4116 (while threads
4117 (when (stringp (caar threads))
4118 (setcdr (car threads)
4119 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4120 (setq threads (cdr threads)))
4121 result))
4123 (defun gnus-thread-loop-p (root thread)
4124 "Say whether ROOT is in THREAD."
4125 (let ((stack (list thread))
4126 (infloop 0)
4128 (while (setq thread (pop stack))
4129 (setq th (cdr thread))
4130 (while (and th
4131 (not (eq (caar th) root)))
4132 (pop th))
4133 (if th
4134 ;; We have found a loop.
4135 (let (ref-dep)
4136 (setcdr thread (delq (car th) (cdr thread)))
4137 (if (boundp (setq ref-dep (intern "none"
4138 gnus-newsgroup-dependencies)))
4139 (setcdr (symbol-value ref-dep)
4140 (nconc (cdr (symbol-value ref-dep))
4141 (list (car th))))
4142 (set ref-dep (list nil (car th))))
4143 (setq infloop 1
4144 stack nil))
4145 ;; Push all the subthreads onto the stack.
4146 (push (cdr thread) stack)))
4147 infloop))
4149 (defun gnus-make-threads ()
4150 "Go through the dependency hashtb and find the roots. Return all threads."
4151 (let (threads)
4152 (while (catch 'infloop
4153 (mapatoms
4154 (lambda (refs)
4155 ;; Deal with self-referencing References loops.
4156 (when (and (car (symbol-value refs))
4157 (not (zerop
4158 (apply
4160 (mapcar
4161 (lambda (thread)
4162 (gnus-thread-loop-p
4163 (car (symbol-value refs)) thread))
4164 (cdr (symbol-value refs)))))))
4165 (setq threads nil)
4166 (throw 'infloop t))
4167 (unless (car (symbol-value refs))
4168 ;; These threads do not refer back to any other
4169 ;; articles, so they're roots.
4170 (setq threads (append (cdr (symbol-value refs)) threads))))
4171 gnus-newsgroup-dependencies)))
4172 threads))
4174 ;; Build the thread tree.
4175 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4176 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4178 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4179 if it was already present.
4181 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4182 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4183 Message-IDs will be renamed to a unique Message-ID before being
4184 entered.
4186 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4187 (let* ((id (mail-header-id header))
4188 (id-dep (and id (intern id dependencies)))
4189 parent-id ref ref-dep ref-header replaced)
4190 ;; Enter this `header' in the `dependencies' table.
4191 (cond
4192 ((not id-dep)
4193 (setq header nil))
4194 ;; The first two cases do the normal part: enter a new `header'
4195 ;; in the `dependencies' table.
4196 ((not (boundp id-dep))
4197 (set id-dep (list header)))
4198 ((null (car (symbol-value id-dep)))
4199 (setcar (symbol-value id-dep) header))
4201 ;; From here the `header' was already present in the
4202 ;; `dependencies' table.
4203 (force-new
4204 ;; Overrides an existing entry;
4205 ;; just set the header part of the entry.
4206 (setcar (symbol-value id-dep) header)
4207 (setq replaced t))
4209 ;; Renames the existing `header' to a unique Message-ID.
4210 ((not gnus-summary-ignore-duplicates)
4211 ;; An article with this Message-ID has already been seen.
4212 ;; We rename the Message-ID.
4213 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4214 (list header))
4215 (mail-header-set-id header id))
4217 ;; The last case ignores an existing entry, except it adds any
4218 ;; additional Xrefs (in case the two articles came from different
4219 ;; servers.
4220 ;; Also sets `header' to `nil' meaning that the `dependencies'
4221 ;; table was *not* modified.
4223 (mail-header-set-xref
4224 (car (symbol-value id-dep))
4225 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4227 (or (mail-header-xref header) "")))
4228 (setq header nil)))
4230 (when (and header (not replaced))
4231 ;; First check that we are not creating a References loop.
4232 (setq parent-id (gnus-parent-id (mail-header-references header)))
4233 (setq ref parent-id)
4234 (while (and ref
4235 (setq ref-dep (intern-soft ref dependencies))
4236 (boundp ref-dep)
4237 (setq ref-header (car (symbol-value ref-dep))))
4238 (if (string= id ref)
4239 ;; Yuk! This is a reference loop. Make the article be a
4240 ;; root article.
4241 (progn
4242 (mail-header-set-references (car (symbol-value id-dep)) "none")
4243 (setq ref nil)
4244 (setq parent-id nil))
4245 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4246 (setq ref-dep (intern (or parent-id "none") dependencies))
4247 (if (boundp ref-dep)
4248 (setcdr (symbol-value ref-dep)
4249 (nconc (cdr (symbol-value ref-dep))
4250 (list (symbol-value id-dep))))
4251 (set ref-dep (list nil (symbol-value id-dep)))))
4252 header))
4254 (defun gnus-extract-message-id-from-in-reply-to (string)
4255 (if (string-match "<[^>]+>" string)
4256 (substring string (match-beginning 0) (match-end 0))
4257 nil))
4259 (defun gnus-build-sparse-threads ()
4260 (let ((headers gnus-newsgroup-headers)
4261 (mail-parse-charset gnus-newsgroup-charset)
4262 (gnus-summary-ignore-duplicates t)
4263 header references generation relations
4264 subject child end new-child date)
4265 ;; First we create an alist of generations/relations, where
4266 ;; generations is how much we trust the relation, and the relation
4267 ;; is parent/child.
4268 (gnus-message 7 "Making sparse threads...")
4269 (save-excursion
4270 (nnheader-set-temp-buffer " *gnus sparse threads*")
4271 (while (setq header (pop headers))
4272 (when (and (setq references (mail-header-references header))
4273 (not (string= references "")))
4274 (insert references)
4275 (setq child (mail-header-id header)
4276 subject (mail-header-subject header)
4277 date (mail-header-date header)
4278 generation 0)
4279 (while (search-backward ">" nil t)
4280 (setq end (1+ (point)))
4281 (when (search-backward "<" nil t)
4282 (setq new-child (buffer-substring (point) end))
4283 (push (list (incf generation)
4284 child (setq child new-child)
4285 subject date)
4286 relations)))
4287 (when child
4288 (push (list (1+ generation) child nil subject) relations))
4289 (erase-buffer)))
4290 (kill-buffer (current-buffer)))
4291 ;; Sort over trustworthiness.
4292 (dolist (relation (sort relations 'car-less-than-car))
4293 (when (gnus-dependencies-add-header
4294 (make-full-mail-header
4295 gnus-reffed-article-number
4296 (nth 3 relation) "" (or (nth 4 relation) "")
4297 (nth 1 relation)
4298 (or (nth 2 relation) "") 0 0 "")
4299 gnus-newsgroup-dependencies nil)
4300 (push gnus-reffed-article-number gnus-newsgroup-limit)
4301 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4302 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4303 gnus-newsgroup-reads)
4304 (decf gnus-reffed-article-number)))
4305 (gnus-message 7 "Making sparse threads...done")))
4307 (defun gnus-build-old-threads ()
4308 ;; Look at all the articles that refer back to old articles, and
4309 ;; fetch the headers for the articles that aren't there. This will
4310 ;; build complete threads - if the roots haven't been expired by the
4311 ;; server, that is.
4312 (let ((mail-parse-charset gnus-newsgroup-charset)
4313 id heads)
4314 (mapatoms
4315 (lambda (refs)
4316 (when (not (car (symbol-value refs)))
4317 (setq heads (cdr (symbol-value refs)))
4318 (while heads
4319 (if (memq (mail-header-number (caar heads))
4320 gnus-newsgroup-dormant)
4321 (setq heads (cdr heads))
4322 (setq id (symbol-name refs))
4323 (while (and (setq id (gnus-build-get-header id))
4324 (not (car (gnus-id-to-thread id)))))
4325 (setq heads nil)))))
4326 gnus-newsgroup-dependencies)))
4328 (defsubst gnus-remove-odd-characters (string)
4329 "Translate STRING into something that doesn't contain weird characters."
4330 (mm-subst-char-in-string
4331 ?\r ?\-
4332 (mm-subst-char-in-string ?\n ?\- string t) t))
4334 ;; This function has to be called with point after the article number
4335 ;; on the beginning of the line.
4336 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4337 (let ((eol (point-at-eol))
4338 (buffer (current-buffer))
4339 header references in-reply-to)
4341 ;; overview: [num subject from date id refs chars lines misc]
4342 (unwind-protect
4343 (let (x)
4344 (narrow-to-region (point) eol)
4345 (unless (eobp)
4346 (forward-char))
4348 (setq header
4349 (make-full-mail-header
4350 number ; number
4351 (condition-case () ; subject
4352 (gnus-remove-odd-characters
4353 (funcall gnus-decode-encoded-word-function
4354 (setq x (nnheader-nov-field))))
4355 (error x))
4356 (condition-case () ; from
4357 (gnus-remove-odd-characters
4358 (funcall gnus-decode-encoded-address-function
4359 (setq x (nnheader-nov-field))))
4360 (error x))
4361 (nnheader-nov-field) ; date
4362 (nnheader-nov-read-message-id number) ; id
4363 (setq references (nnheader-nov-field)) ; refs
4364 (nnheader-nov-read-integer) ; chars
4365 (nnheader-nov-read-integer) ; lines
4366 (unless (eobp)
4367 (if (looking-at "Xref: ")
4368 (goto-char (match-end 0)))
4369 (nnheader-nov-field)) ; Xref
4370 (nnheader-nov-parse-extra)))) ; extra
4372 (widen))
4374 (when (and (string= references "")
4375 (setq in-reply-to (mail-header-extra header))
4376 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4377 (mail-header-set-references
4378 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4380 (when gnus-alter-header-function
4381 (funcall gnus-alter-header-function header))
4382 (gnus-dependencies-add-header header dependencies force-new)))
4384 (defun gnus-build-get-header (id)
4385 "Look through the buffer of NOV lines and find the header to ID.
4386 Enter this line into the dependencies hash table, and return
4387 the id of the parent article (if any)."
4388 (let ((deps gnus-newsgroup-dependencies)
4389 found header)
4390 (prog1
4391 (save-excursion
4392 (set-buffer nntp-server-buffer)
4393 (let ((case-fold-search nil))
4394 (goto-char (point-min))
4395 (while (and (not found)
4396 (search-forward id nil t))
4397 (beginning-of-line)
4398 (setq found (looking-at
4399 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4400 (regexp-quote id))))
4401 (or found (beginning-of-line 2)))
4402 (when found
4403 (beginning-of-line)
4404 (and
4405 (setq header (gnus-nov-parse-line
4406 (read (current-buffer)) deps))
4407 (gnus-parent-id (mail-header-references header))))))
4408 (when header
4409 (let ((number (mail-header-number header)))
4410 (push number gnus-newsgroup-limit)
4411 (push header gnus-newsgroup-headers)
4412 (if (memq number gnus-newsgroup-unselected)
4413 (progn
4414 (setq gnus-newsgroup-unreads
4415 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4416 number))
4417 (setq gnus-newsgroup-unselected
4418 (delq number gnus-newsgroup-unselected)))
4419 (push number gnus-newsgroup-ancient)))))))
4421 (defun gnus-build-all-threads ()
4422 "Read all the headers."
4423 (let ((gnus-summary-ignore-duplicates t)
4424 (mail-parse-charset gnus-newsgroup-charset)
4425 (dependencies gnus-newsgroup-dependencies)
4426 header article)
4427 (save-excursion
4428 (set-buffer nntp-server-buffer)
4429 (let ((case-fold-search nil))
4430 (goto-char (point-min))
4431 (while (not (eobp))
4432 (ignore-errors
4433 (setq article (read (current-buffer))
4434 header (gnus-nov-parse-line article dependencies)))
4435 (when header
4436 (with-current-buffer gnus-summary-buffer
4437 (push header gnus-newsgroup-headers)
4438 (if (memq (setq article (mail-header-number header))
4439 gnus-newsgroup-unselected)
4440 (progn
4441 (setq gnus-newsgroup-unreads
4442 (gnus-add-to-sorted-list
4443 gnus-newsgroup-unreads article))
4444 (setq gnus-newsgroup-unselected
4445 (delq article gnus-newsgroup-unselected)))
4446 (push article gnus-newsgroup-ancient)))
4447 (forward-line 1)))))))
4449 (defun gnus-summary-update-article-line (article header)
4450 "Update the line for ARTICLE using HEADER."
4451 (let* ((id (mail-header-id header))
4452 (thread (gnus-id-to-thread id)))
4453 (unless thread
4454 (error "Article in no thread"))
4455 ;; Update the thread.
4456 (setcar thread header)
4457 (gnus-summary-goto-subject article)
4458 (let* ((datal (gnus-data-find-list article))
4459 (data (car datal))
4460 (buffer-read-only nil)
4461 (level (gnus-summary-thread-level)))
4462 (gnus-delete-line)
4463 (let ((inserted (- (point)
4464 (progn
4465 (gnus-summary-insert-line
4466 header level nil
4467 (memq article gnus-newsgroup-undownloaded)
4468 (gnus-article-mark article)
4469 (memq article gnus-newsgroup-replied)
4470 (memq article gnus-newsgroup-expirable)
4471 ;; Only insert the Subject string when it's different
4472 ;; from the previous Subject string.
4473 (if (and
4474 gnus-show-threads
4475 (gnus-subject-equal
4476 (condition-case ()
4477 (mail-header-subject
4478 (gnus-data-header
4479 (cadr
4480 (gnus-data-find-list
4481 article
4482 (gnus-data-list t)))))
4483 ;; Error on the side of excessive subjects.
4484 (error ""))
4485 (mail-header-subject header)))
4487 (mail-header-subject header))
4488 nil (cdr (assq article gnus-newsgroup-scored))
4489 (memq article gnus-newsgroup-processable))
4490 (point)))))
4491 (when (cdr datal)
4492 (gnus-data-update-list
4493 (cdr datal)
4494 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4496 (defun gnus-summary-update-article (article &optional iheader)
4497 "Update ARTICLE in the summary buffer."
4498 (set-buffer gnus-summary-buffer)
4499 (let* ((header (gnus-summary-article-header article))
4500 (id (mail-header-id header))
4501 (data (gnus-data-find article))
4502 (thread (gnus-id-to-thread id))
4503 (references (mail-header-references header))
4504 (parent
4505 (gnus-id-to-thread
4506 (or (gnus-parent-id
4507 (when (and references
4508 (not (equal "" references)))
4509 references))
4510 "none")))
4511 (buffer-read-only nil)
4512 (old (car thread)))
4513 (when thread
4514 (unless iheader
4515 (setcar thread nil)
4516 (when parent
4517 (delq thread parent)))
4518 (if (gnus-summary-insert-subject id header)
4519 ;; Set the (possibly) new article number in the data structure.
4520 (gnus-data-set-number data (gnus-id-to-article id))
4521 (setcar thread old)
4522 nil))))
4524 (defun gnus-rebuild-thread (id &optional line)
4525 "Rebuild the thread containing ID.
4526 If LINE, insert the rebuilt thread starting on line LINE."
4527 (let ((buffer-read-only nil)
4528 old-pos current thread data)
4529 (if (not gnus-show-threads)
4530 (setq thread (list (car (gnus-id-to-thread id))))
4531 ;; Get the thread this article is part of.
4532 (setq thread (gnus-remove-thread id)))
4533 (setq old-pos (point-at-bol))
4534 (setq current (save-excursion
4535 (and (re-search-backward "[\r\n]" nil t)
4536 (gnus-summary-article-number))))
4537 ;; If this is a gathered thread, we have to go some re-gathering.
4538 (when (stringp (car thread))
4539 (let ((subject (car thread))
4540 roots thr)
4541 (setq thread (cdr thread))
4542 (while thread
4543 (unless (memq (setq thr (gnus-id-to-thread
4544 (gnus-root-id
4545 (mail-header-id (caar thread)))))
4546 roots)
4547 (push thr roots))
4548 (setq thread (cdr thread)))
4549 ;; We now have all (unique) roots.
4550 (if (= (length roots) 1)
4551 ;; All the loose roots are now one solid root.
4552 (setq thread (car roots))
4553 (setq thread (cons subject (gnus-sort-threads roots))))))
4554 (let (threads)
4555 ;; We then insert this thread into the summary buffer.
4556 (when line
4557 (goto-char (point-min))
4558 (forward-line (1- line)))
4559 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4560 (if gnus-show-threads
4561 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4562 (gnus-summary-prepare-unthreaded thread))
4563 (setq data (nreverse gnus-newsgroup-data))
4564 (setq threads gnus-newsgroup-threads))
4565 ;; We splice the new data into the data structure.
4566 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4567 ;;!!! then we want to insert at the beginning of the buffer.
4568 ;;!!! That happens to be true with Gnus now, but that may
4569 ;;!!! change in the future. Perhaps.
4570 (gnus-data-enter-list
4571 (if line nil current) data (- (point) old-pos))
4572 (setq gnus-newsgroup-threads
4573 (nconc threads gnus-newsgroup-threads))
4574 (gnus-data-compute-positions))))
4576 (defun gnus-number-to-header (number)
4577 "Return the header for article NUMBER."
4578 (let ((headers gnus-newsgroup-headers))
4579 (while (and headers
4580 (not (= number (mail-header-number (car headers)))))
4581 (pop headers))
4582 (when headers
4583 (car headers))))
4585 (defun gnus-parent-headers (in-headers &optional generation)
4586 "Return the headers of the GENERATIONeth parent of HEADERS."
4587 (unless generation
4588 (setq generation 1))
4589 (let ((parent t)
4590 (headers in-headers)
4591 references)
4592 (while (and parent
4593 (not (zerop generation))
4594 (setq references (mail-header-references headers)))
4595 (setq headers (if (and references
4596 (setq parent (gnus-parent-id references)))
4597 (car (gnus-id-to-thread parent))
4598 nil))
4599 (decf generation))
4600 (and (not (eq headers in-headers))
4601 headers)))
4603 (defun gnus-id-to-thread (id)
4604 "Return the (sub-)thread where ID appears."
4605 (gnus-gethash id gnus-newsgroup-dependencies))
4607 (defun gnus-id-to-article (id)
4608 "Return the article number of ID."
4609 (let ((thread (gnus-id-to-thread id)))
4610 (when (and thread
4611 (car thread))
4612 (mail-header-number (car thread)))))
4614 (defun gnus-id-to-header (id)
4615 "Return the article headers of ID."
4616 (car (gnus-id-to-thread id)))
4618 (defun gnus-article-displayed-root-p (article)
4619 "Say whether ARTICLE is a root(ish) article."
4620 (let ((level (gnus-summary-thread-level article))
4621 (refs (mail-header-references (gnus-summary-article-header article)))
4622 particle)
4623 (cond
4624 ((null level) nil)
4625 ((zerop level) t)
4626 ((null refs) t)
4627 ((null (gnus-parent-id refs)) t)
4628 ((and (= 1 level)
4629 (null (setq particle (gnus-id-to-article
4630 (gnus-parent-id refs))))
4631 (null (gnus-summary-thread-level particle)))))))
4633 (defun gnus-root-id (id)
4634 "Return the id of the root of the thread where ID appears."
4635 (let (last-id prev)
4636 (while (and id (setq prev (car (gnus-id-to-thread id))))
4637 (setq last-id id
4638 id (gnus-parent-id (mail-header-references prev))))
4639 last-id))
4641 (defun gnus-articles-in-thread (thread)
4642 "Return the list of articles in THREAD."
4643 (cons (mail-header-number (car thread))
4644 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4646 (defun gnus-remove-thread (id &optional dont-remove)
4647 "Remove the thread that has ID in it."
4648 (let (headers thread last-id)
4649 ;; First go up in this thread until we find the root.
4650 (setq last-id (gnus-root-id id)
4651 headers (message-flatten-list (gnus-id-to-thread last-id)))
4652 ;; We have now found the real root of this thread. It might have
4653 ;; been gathered into some loose thread, so we have to search
4654 ;; through the threads to find the thread we wanted.
4655 (let ((threads gnus-newsgroup-threads)
4656 sub)
4657 (while threads
4658 (setq sub (car threads))
4659 (if (stringp (car sub))
4660 ;; This is a gathered thread, so we look at the roots
4661 ;; below it to find whether this article is in this
4662 ;; gathered root.
4663 (progn
4664 (setq sub (cdr sub))
4665 (while sub
4666 (when (member (caar sub) headers)
4667 (setq thread (car threads)
4668 threads nil
4669 sub nil))
4670 (setq sub (cdr sub))))
4671 ;; It's an ordinary thread, so we check it.
4672 (when (eq (car sub) (car headers))
4673 (setq thread sub
4674 threads nil)))
4675 (setq threads (cdr threads)))
4676 ;; If this article is in no thread, then it's a root.
4677 (if thread
4678 (unless dont-remove
4679 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4680 (setq thread (gnus-id-to-thread last-id)))
4681 (when thread
4682 (prog1
4683 thread ; We return this thread.
4684 (unless dont-remove
4685 (if (stringp (car thread))
4686 (progn
4687 ;; If we use dummy roots, then we have to remove the
4688 ;; dummy root as well.
4689 (when (eq gnus-summary-make-false-root 'dummy)
4690 ;; We go to the dummy root by going to
4691 ;; the first sub-"thread", and then one line up.
4692 (gnus-summary-goto-article
4693 (mail-header-number (caadr thread)))
4694 (forward-line -1)
4695 (gnus-delete-line)
4696 (gnus-data-compute-positions))
4697 (setq thread (cdr thread))
4698 (while thread
4699 (gnus-remove-thread-1 (car thread))
4700 (setq thread (cdr thread))))
4701 (gnus-remove-thread-1 thread))))))))
4703 (defun gnus-remove-thread-1 (thread)
4704 "Remove the thread THREAD recursively."
4705 (let ((number (mail-header-number (pop thread)))
4707 (setq thread (reverse thread))
4708 (while thread
4709 (gnus-remove-thread-1 (pop thread)))
4710 (when (setq d (gnus-data-find number))
4711 (goto-char (gnus-data-pos d))
4712 (gnus-summary-show-thread)
4713 (gnus-data-remove
4714 number
4715 (- (point-at-bol)
4716 (prog1
4717 (1+ (point-at-eol))
4718 (gnus-delete-line)))))))
4720 (defun gnus-sort-threads-recursive (threads func)
4721 (sort (mapcar (lambda (thread)
4722 (cons (car thread)
4723 (and (cdr thread)
4724 (gnus-sort-threads-recursive (cdr thread) func))))
4725 threads) func))
4727 (defun gnus-sort-threads-loop (threads func)
4728 (let* ((superthread (cons nil threads))
4729 (stack (list (cons superthread threads)))
4730 remaining-threads thread)
4731 (while stack
4732 (setq remaining-threads (cdr (car stack)))
4733 (if remaining-threads
4734 (progn (setq thread (car remaining-threads))
4735 (setcdr (car stack) (cdr remaining-threads))
4736 (if (cdr thread)
4737 (push (cons thread (cdr thread)) stack)))
4738 (setq thread (caar stack))
4739 (setcdr thread (sort (cdr thread) func))
4740 (pop stack)))
4741 (cdr superthread)))
4743 (defun gnus-sort-threads (threads)
4744 "Sort THREADS."
4745 (if (not gnus-thread-sort-functions)
4746 threads
4747 (gnus-message 8 "Sorting threads...")
4748 (prog1
4749 (condition-case nil
4750 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4751 (gnus-sort-threads-recursive
4752 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4753 ;; Even after binding max-lisp-eval-depth, the recursive
4754 ;; sorter might fail for very long threads. In that case,
4755 ;; try using a (less well-tested) non-recursive sorter.
4756 (error (gnus-sort-threads-loop
4757 threads (gnus-make-sort-function
4758 gnus-thread-sort-functions))))
4759 (gnus-message 8 "Sorting threads...done"))))
4761 (defun gnus-sort-articles (articles)
4762 "Sort ARTICLES."
4763 (when gnus-article-sort-functions
4764 (gnus-message 7 "Sorting articles...")
4765 (prog1
4766 (setq gnus-newsgroup-headers
4767 (sort articles (gnus-make-sort-function
4768 gnus-article-sort-functions)))
4769 (gnus-message 7 "Sorting articles...done"))))
4771 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4772 (defmacro gnus-thread-header (thread)
4773 "Return header of first article in THREAD.
4774 Note that THREAD must never, ever be anything else than a variable -
4775 using some other form will lead to serious barfage."
4776 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4777 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4778 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4779 (vector thread) 2))
4781 (defsubst gnus-article-sort-by-number (h1 h2)
4782 "Sort articles by article number."
4783 (< (mail-header-number h1)
4784 (mail-header-number h2)))
4786 (defun gnus-thread-sort-by-number (h1 h2)
4787 "Sort threads by root article number."
4788 (gnus-article-sort-by-number
4789 (gnus-thread-header h1) (gnus-thread-header h2)))
4791 (defsubst gnus-article-sort-by-random (h1 h2)
4792 "Sort articles by article number."
4793 (zerop (random 2)))
4795 (defun gnus-thread-sort-by-random (h1 h2)
4796 "Sort threads by root article number."
4797 (gnus-article-sort-by-random
4798 (gnus-thread-header h1) (gnus-thread-header h2)))
4800 (defsubst gnus-article-sort-by-lines (h1 h2)
4801 "Sort articles by article Lines header."
4802 (< (mail-header-lines h1)
4803 (mail-header-lines h2)))
4805 (defun gnus-thread-sort-by-lines (h1 h2)
4806 "Sort threads by root article Lines header."
4807 (gnus-article-sort-by-lines
4808 (gnus-thread-header h1) (gnus-thread-header h2)))
4810 (defsubst gnus-article-sort-by-chars (h1 h2)
4811 "Sort articles by octet length."
4812 (< (mail-header-chars h1)
4813 (mail-header-chars h2)))
4815 (defun gnus-thread-sort-by-chars (h1 h2)
4816 "Sort threads by root article octet length."
4817 (gnus-article-sort-by-chars
4818 (gnus-thread-header h1) (gnus-thread-header h2)))
4820 (defsubst gnus-article-sort-by-author (h1 h2)
4821 "Sort articles by root author."
4822 (gnus-string<
4823 (let ((extract (funcall
4824 gnus-extract-address-components
4825 (mail-header-from h1))))
4826 (or (car extract) (cadr extract) ""))
4827 (let ((extract (funcall
4828 gnus-extract-address-components
4829 (mail-header-from h2))))
4830 (or (car extract) (cadr extract) ""))))
4832 (defun gnus-thread-sort-by-author (h1 h2)
4833 "Sort threads by root author."
4834 (gnus-article-sort-by-author
4835 (gnus-thread-header h1) (gnus-thread-header h2)))
4837 (defsubst gnus-article-sort-by-recipient (h1 h2)
4838 "Sort articles by recipient."
4839 (gnus-string<
4840 (let ((extract (funcall
4841 gnus-extract-address-components
4842 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4843 (or (car extract) (cadr extract)))
4844 (let ((extract (funcall
4845 gnus-extract-address-components
4846 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4847 (or (car extract) (cadr extract)))))
4849 (defun gnus-thread-sort-by-recipient (h1 h2)
4850 "Sort threads by root recipient."
4851 (gnus-article-sort-by-recipient
4852 (gnus-thread-header h1) (gnus-thread-header h2)))
4854 (defsubst gnus-article-sort-by-subject (h1 h2)
4855 "Sort articles by root subject."
4856 (gnus-string<
4857 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4858 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4860 (defun gnus-thread-sort-by-subject (h1 h2)
4861 "Sort threads by root subject."
4862 (gnus-article-sort-by-subject
4863 (gnus-thread-header h1) (gnus-thread-header h2)))
4865 (defsubst gnus-article-sort-by-date (h1 h2)
4866 "Sort articles by root article date."
4867 (time-less-p
4868 (gnus-date-get-time (mail-header-date h1))
4869 (gnus-date-get-time (mail-header-date h2))))
4871 (defun gnus-thread-sort-by-date (h1 h2)
4872 "Sort threads by root article date."
4873 (gnus-article-sort-by-date
4874 (gnus-thread-header h1) (gnus-thread-header h2)))
4876 (defsubst gnus-article-sort-by-score (h1 h2)
4877 "Sort articles by root article score.
4878 Unscored articles will be counted as having a score of zero."
4879 (> (or (cdr (assq (mail-header-number h1)
4880 gnus-newsgroup-scored))
4881 gnus-summary-default-score 0)
4882 (or (cdr (assq (mail-header-number h2)
4883 gnus-newsgroup-scored))
4884 gnus-summary-default-score 0)))
4886 (defun gnus-thread-sort-by-score (h1 h2)
4887 "Sort threads by root article score."
4888 (gnus-article-sort-by-score
4889 (gnus-thread-header h1) (gnus-thread-header h2)))
4891 (defun gnus-thread-sort-by-total-score (h1 h2)
4892 "Sort threads by the sum of all scores in the thread.
4893 Unscored articles will be counted as having a score of zero."
4894 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4896 (defun gnus-thread-total-score (thread)
4897 ;; This function find the total score of THREAD.
4898 (cond
4899 ((null thread)
4901 ((consp thread)
4902 (if (stringp (car thread))
4903 (apply gnus-thread-score-function 0
4904 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4905 (gnus-thread-total-score-1 thread)))
4907 (gnus-thread-total-score-1 (list thread)))))
4909 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4910 "Sort threads such that the thread with the most recently arrived article comes first."
4911 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4913 (defun gnus-thread-highest-number (thread)
4914 "Return the highest article number in THREAD."
4915 (apply 'max (mapcar (lambda (header)
4916 (mail-header-number header))
4917 (message-flatten-list thread))))
4919 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4920 "Sort threads such that the thread with the most recently dated article comes first."
4921 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4923 (defun gnus-thread-latest-date (thread)
4924 "Return the highest article date in THREAD."
4925 (let ((previous-time 0))
4926 (apply 'max
4927 (mapcar
4928 (lambda (header)
4929 (setq previous-time
4930 (condition-case ()
4931 (time-to-seconds (mail-header-parse-date
4932 (mail-header-date header)))
4933 (error previous-time))))
4934 (sort
4935 (message-flatten-list thread)
4936 (lambda (h1 h2)
4937 (< (mail-header-number h1)
4938 (mail-header-number h2))))))))
4940 (defun gnus-thread-total-score-1 (root)
4941 ;; This function find the total score of the thread below ROOT.
4942 (setq root (car root))
4943 (apply gnus-thread-score-function
4944 (or (append
4945 (mapcar 'gnus-thread-total-score
4946 (cdr (gnus-id-to-thread (mail-header-id root))))
4947 (when (> (mail-header-number root) 0)
4948 (list (or (cdr (assq (mail-header-number root)
4949 gnus-newsgroup-scored))
4950 gnus-summary-default-score 0))))
4951 (list gnus-summary-default-score)
4952 '(0))))
4954 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4955 (defvar gnus-tmp-prev-subject nil)
4956 (defvar gnus-tmp-false-parent nil)
4957 (defvar gnus-tmp-root-expunged nil)
4958 (defvar gnus-tmp-dummy-line nil)
4960 (defun gnus-extra-header (type &optional header)
4961 "Return the extra header of TYPE."
4962 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4963 ""))
4965 (defvar gnus-tmp-thread-tree-header-string "")
4967 (defcustom gnus-sum-thread-tree-root "> "
4968 "With %B spec, used for the root of a thread.
4969 If nil, use subject instead."
4970 :version "22.1"
4971 :type '(radio (const :format "%v " nil) string)
4972 :group 'gnus-thread)
4974 (defcustom gnus-sum-thread-tree-false-root "> "
4975 "With %B spec, used for a false root of a thread.
4976 If nil, use subject instead."
4977 :version "22.1"
4978 :type '(radio (const :format "%v " nil) string)
4979 :group 'gnus-thread)
4981 (defcustom gnus-sum-thread-tree-single-indent ""
4982 "With %B spec, used for a thread with just one message.
4983 If nil, use subject instead."
4984 :version "22.1"
4985 :type '(radio (const :format "%v " nil) string)
4986 :group 'gnus-thread)
4988 (defcustom gnus-sum-thread-tree-vertical "| "
4989 "With %B spec, used for drawing a vertical line."
4990 :version "22.1"
4991 :type 'string
4992 :group 'gnus-thread)
4994 (defcustom gnus-sum-thread-tree-indent " "
4995 "With %B spec, used for indenting."
4996 :version "22.1"
4997 :type 'string
4998 :group 'gnus-thread)
5000 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5001 "With %B spec, used for a leaf with brothers."
5002 :version "22.1"
5003 :type 'string
5004 :group 'gnus-thread)
5006 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5007 "With %B spec, used for a leaf without brothers."
5008 :version "22.1"
5009 :type 'string
5010 :group 'gnus-thread)
5012 (defun gnus-summary-prepare-threads (threads)
5013 "Prepare summary buffer from THREADS and indentation LEVEL.
5014 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5015 or a straight list of headers."
5016 (gnus-message 7 "Generating summary...")
5018 (setq gnus-newsgroup-threads threads)
5019 (beginning-of-line)
5021 (let ((gnus-tmp-level 0)
5022 (default-score (or gnus-summary-default-score 0))
5023 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5024 (building-line-count gnus-summary-display-while-building)
5025 (building-count (integerp gnus-summary-display-while-building))
5026 thread number subject stack state gnus-tmp-gathered beg-match
5027 new-roots gnus-tmp-new-adopts thread-end simp-subject
5028 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5029 gnus-tmp-replied gnus-tmp-subject-or-nil
5030 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5031 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5032 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5033 tree-stack)
5035 (setq gnus-tmp-prev-subject nil
5036 gnus-tmp-thread-tree-header-string "")
5038 (if (vectorp (car threads))
5039 ;; If this is a straight (sic) list of headers, then a
5040 ;; threaded summary display isn't required, so we just create
5041 ;; an unthreaded one.
5042 (gnus-summary-prepare-unthreaded threads)
5044 ;; Do the threaded display.
5046 (if gnus-summary-display-while-building
5047 (switch-to-buffer (buffer-name)))
5048 (while (or threads stack gnus-tmp-new-adopts new-roots)
5050 (if (and (= gnus-tmp-level 0)
5051 (or (not stack)
5052 (= (caar stack) 0))
5053 (not gnus-tmp-false-parent)
5054 (or gnus-tmp-new-adopts new-roots))
5055 (if gnus-tmp-new-adopts
5056 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5057 thread (list (car gnus-tmp-new-adopts))
5058 gnus-tmp-header (caar thread)
5059 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5060 (when new-roots
5061 (setq thread (list (car new-roots))
5062 gnus-tmp-header (caar thread)
5063 new-roots (cdr new-roots))))
5065 (if threads
5066 ;; If there are some threads, we do them before the
5067 ;; threads on the stack.
5068 (setq thread threads
5069 gnus-tmp-header (caar thread))
5070 ;; There were no current threads, so we pop something off
5071 ;; the stack.
5072 (setq state (car stack)
5073 gnus-tmp-level (car state)
5074 tree-stack (cadr state)
5075 thread (caddr state)
5076 stack (cdr stack)
5077 gnus-tmp-header (caar thread))))
5079 (setq gnus-tmp-false-parent nil)
5080 (setq gnus-tmp-root-expunged nil)
5081 (setq thread-end nil)
5083 (if (stringp gnus-tmp-header)
5084 ;; The header is a dummy root.
5085 (cond
5086 ((eq gnus-summary-make-false-root 'adopt)
5087 ;; We let the first article adopt the rest.
5088 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5089 (cddar thread)))
5090 (setq gnus-tmp-gathered
5091 (nconc (mapcar
5092 (lambda (h) (mail-header-number (car h)))
5093 (cddar thread))
5094 gnus-tmp-gathered))
5095 (setq thread (cons (list (caar thread)
5096 (cadar thread))
5097 (cdr thread)))
5098 (setq gnus-tmp-level -1
5099 gnus-tmp-false-parent t))
5100 ((eq gnus-summary-make-false-root 'empty)
5101 ;; We print adopted articles with empty subject fields.
5102 (setq gnus-tmp-gathered
5103 (nconc (mapcar
5104 (lambda (h) (mail-header-number (car h)))
5105 (cddar thread))
5106 gnus-tmp-gathered))
5107 (setq gnus-tmp-level -1))
5108 ((eq gnus-summary-make-false-root 'dummy)
5109 ;; We remember that we probably want to output a dummy
5110 ;; root.
5111 (setq gnus-tmp-dummy-line gnus-tmp-header)
5112 (setq gnus-tmp-prev-subject gnus-tmp-header))
5114 ;; We do not make a root for the gathered
5115 ;; sub-threads at all.
5116 (setq gnus-tmp-level -1)))
5118 (setq number (mail-header-number gnus-tmp-header)
5119 subject (mail-header-subject gnus-tmp-header)
5120 simp-subject (gnus-simplify-subject-fully subject))
5122 (cond
5123 ;; If the thread has changed subject, we might want to make
5124 ;; this subthread into a root.
5125 ((and (null gnus-thread-ignore-subject)
5126 (not (zerop gnus-tmp-level))
5127 gnus-tmp-prev-subject
5128 (not (string= gnus-tmp-prev-subject simp-subject)))
5129 (setq new-roots (nconc new-roots (list (car thread)))
5130 thread-end t
5131 gnus-tmp-header nil))
5132 ;; If the article lies outside the current limit,
5133 ;; then we do not display it.
5134 ((not (memq number gnus-newsgroup-limit))
5135 (setq gnus-tmp-gathered
5136 (nconc (mapcar
5137 (lambda (h) (mail-header-number (car h)))
5138 (cdar thread))
5139 gnus-tmp-gathered))
5140 (setq gnus-tmp-new-adopts (if (cdar thread)
5141 (append gnus-tmp-new-adopts
5142 (cdar thread))
5143 gnus-tmp-new-adopts)
5144 thread-end t
5145 gnus-tmp-header nil)
5146 (when (zerop gnus-tmp-level)
5147 (setq gnus-tmp-root-expunged t)))
5148 ;; Perhaps this article is to be marked as read?
5149 ((and gnus-summary-mark-below
5150 (< (or (cdr (assq number gnus-newsgroup-scored))
5151 default-score)
5152 gnus-summary-mark-below)
5153 ;; Don't touch sparse articles.
5154 (not (gnus-summary-article-sparse-p number))
5155 (not (gnus-summary-article-ancient-p number)))
5156 (setq gnus-newsgroup-unreads
5157 (delq number gnus-newsgroup-unreads))
5158 (if gnus-newsgroup-auto-expire
5159 (setq gnus-newsgroup-expirable
5160 (gnus-add-to-sorted-list
5161 gnus-newsgroup-expirable number))
5162 (push (cons number gnus-low-score-mark)
5163 gnus-newsgroup-reads))))
5165 (when gnus-tmp-header
5166 ;; We may have an old dummy line to output before this
5167 ;; article.
5168 (when (and gnus-tmp-dummy-line
5169 (gnus-subject-equal
5170 gnus-tmp-dummy-line
5171 (mail-header-subject gnus-tmp-header)))
5172 (gnus-summary-insert-dummy-line
5173 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5174 (setq gnus-tmp-dummy-line nil))
5176 ;; Compute the mark.
5177 (setq gnus-tmp-unread (gnus-article-mark number))
5179 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5180 gnus-tmp-header gnus-tmp-level)
5181 gnus-newsgroup-data)
5183 ;; Actually insert the line.
5184 (setq
5185 gnus-tmp-subject-or-nil
5186 (cond
5187 ((and gnus-thread-ignore-subject
5188 gnus-tmp-prev-subject
5189 (not (string= gnus-tmp-prev-subject simp-subject)))
5190 subject)
5191 ((zerop gnus-tmp-level)
5192 (if (and (eq gnus-summary-make-false-root 'empty)
5193 (memq number gnus-tmp-gathered)
5194 gnus-tmp-prev-subject
5195 (string= gnus-tmp-prev-subject simp-subject))
5196 gnus-summary-same-subject
5197 subject))
5198 (t gnus-summary-same-subject)))
5199 (if (and (eq gnus-summary-make-false-root 'adopt)
5200 (= gnus-tmp-level 1)
5201 (memq number gnus-tmp-gathered))
5202 (setq gnus-tmp-opening-bracket ?\<
5203 gnus-tmp-closing-bracket ?\>)
5204 (setq gnus-tmp-opening-bracket ?\[
5205 gnus-tmp-closing-bracket ?\]))
5206 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5207 (gnus-make-thread-indent-array
5208 (max (* 2 (length gnus-thread-indent-array))
5209 gnus-tmp-level)))
5210 (setq
5211 gnus-tmp-indentation
5212 (aref gnus-thread-indent-array gnus-tmp-level)
5213 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5214 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5215 gnus-summary-default-score 0)
5216 gnus-tmp-score-char
5217 (if (or (null gnus-summary-default-score)
5218 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5219 gnus-summary-zcore-fuzz))
5220 ? ;Whitespace
5221 (if (< gnus-tmp-score gnus-summary-default-score)
5222 gnus-score-below-mark gnus-score-over-mark))
5223 gnus-tmp-replied
5224 (cond ((memq number gnus-newsgroup-processable)
5225 gnus-process-mark)
5226 ((memq number gnus-newsgroup-cached)
5227 gnus-cached-mark)
5228 ((memq number gnus-newsgroup-replied)
5229 gnus-replied-mark)
5230 ((memq number gnus-newsgroup-forwarded)
5231 gnus-forwarded-mark)
5232 ((memq number gnus-newsgroup-saved)
5233 gnus-saved-mark)
5234 ((memq number gnus-newsgroup-recent)
5235 gnus-recent-mark)
5236 ((memq number gnus-newsgroup-unseen)
5237 gnus-unseen-mark)
5238 (t gnus-no-mark))
5239 gnus-tmp-downloaded
5240 (cond ((memq number gnus-newsgroup-undownloaded)
5241 gnus-undownloaded-mark)
5242 (gnus-newsgroup-agentized
5243 gnus-downloaded-mark)
5245 gnus-no-mark))
5246 gnus-tmp-from (mail-header-from gnus-tmp-header)
5247 gnus-tmp-name
5248 (cond
5249 ((string-match "<[^>]+> *$" gnus-tmp-from)
5250 (setq beg-match (match-beginning 0))
5251 (or (and (string-match "^\".+\"" gnus-tmp-from)
5252 (substring gnus-tmp-from 1 (1- (match-end 0))))
5253 (substring gnus-tmp-from 0 beg-match)))
5254 ((string-match "(.+)" gnus-tmp-from)
5255 (substring gnus-tmp-from
5256 (1+ (match-beginning 0)) (1- (match-end 0))))
5257 (t gnus-tmp-from))
5259 ;; Do the %B string
5260 gnus-tmp-thread-tree-header-string
5261 (cond
5262 ((not gnus-show-threads) "")
5263 ((zerop gnus-tmp-level)
5264 (cond ((cdar thread)
5265 (or gnus-sum-thread-tree-root subject))
5266 (gnus-tmp-new-adopts
5267 (or gnus-sum-thread-tree-false-root subject))
5269 (or gnus-sum-thread-tree-single-indent subject))))
5271 (concat (apply 'concat
5272 (mapcar (lambda (item)
5273 (if (= item 1)
5274 gnus-sum-thread-tree-vertical
5275 gnus-sum-thread-tree-indent))
5276 (cdr (reverse tree-stack))))
5277 (if (nth 1 thread)
5278 gnus-sum-thread-tree-leaf-with-other
5279 gnus-sum-thread-tree-single-leaf)))))
5280 (when (string= gnus-tmp-name "")
5281 (setq gnus-tmp-name gnus-tmp-from))
5282 (unless (numberp gnus-tmp-lines)
5283 (setq gnus-tmp-lines -1))
5284 (if (= gnus-tmp-lines -1)
5285 (setq gnus-tmp-lines "?")
5286 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5287 (gnus-put-text-property
5288 (point)
5289 (progn (eval gnus-summary-line-format-spec) (point))
5290 'gnus-number number)
5291 (when gnus-visual-p
5292 (forward-line -1)
5293 (gnus-run-hooks 'gnus-summary-update-hook)
5294 (forward-line 1))
5296 (setq gnus-tmp-prev-subject simp-subject)))
5298 (when (nth 1 thread)
5299 (push (list (max 0 gnus-tmp-level)
5300 (copy-sequence tree-stack)
5301 (nthcdr 1 thread))
5302 stack))
5303 (push (if (nth 1 thread) 1 0) tree-stack)
5304 (incf gnus-tmp-level)
5305 (setq threads (if thread-end nil (cdar thread)))
5306 (if gnus-summary-display-while-building
5307 (if building-count
5308 (progn
5309 ;; use a set frequency
5310 (setq building-line-count (1- building-line-count))
5311 (when (= building-line-count 0)
5312 (sit-for 0)
5313 (setq building-line-count
5314 gnus-summary-display-while-building)))
5315 ;; always
5316 (sit-for 0)))
5317 (unless threads
5318 (setq gnus-tmp-level 0)))))
5319 (gnus-message 7 "Generating summary...done"))
5321 (defun gnus-summary-prepare-unthreaded (headers)
5322 "Generate an unthreaded summary buffer based on HEADERS."
5323 (let (header number mark)
5325 (beginning-of-line)
5327 (while headers
5328 ;; We may have to root out some bad articles...
5329 (when (memq (setq number (mail-header-number
5330 (setq header (pop headers))))
5331 gnus-newsgroup-limit)
5332 ;; Mark article as read when it has a low score.
5333 (when (and gnus-summary-mark-below
5334 (< (or (cdr (assq number gnus-newsgroup-scored))
5335 gnus-summary-default-score 0)
5336 gnus-summary-mark-below)
5337 (not (gnus-summary-article-ancient-p number)))
5338 (setq gnus-newsgroup-unreads
5339 (delq number gnus-newsgroup-unreads))
5340 (if gnus-newsgroup-auto-expire
5341 (push number gnus-newsgroup-expirable)
5342 (push (cons number gnus-low-score-mark)
5343 gnus-newsgroup-reads)))
5345 (setq mark (gnus-article-mark number))
5346 (push (gnus-data-make number mark (1+ (point)) header 0)
5347 gnus-newsgroup-data)
5348 (gnus-summary-insert-line
5349 header 0 number
5350 (memq number gnus-newsgroup-undownloaded)
5351 mark (memq number gnus-newsgroup-replied)
5352 (memq number gnus-newsgroup-expirable)
5353 (mail-header-subject header) nil
5354 (cdr (assq number gnus-newsgroup-scored))
5355 (memq number gnus-newsgroup-processable))))))
5357 (defun gnus-summary-remove-list-identifiers ()
5358 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5359 (let ((regexp (if (consp gnus-list-identifiers)
5360 (mapconcat 'identity gnus-list-identifiers " *\\|")
5361 gnus-list-identifiers))
5362 changed subject)
5363 (when regexp
5364 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5365 (dolist (header gnus-newsgroup-headers)
5366 (setq subject (mail-header-subject header)
5367 changed nil)
5368 (while (string-match regexp subject)
5369 (setq subject
5370 (concat (substring subject 0 (match-beginning 1))
5371 (substring subject (match-end 0)))
5372 changed t))
5373 (when changed
5374 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5375 (setq subject
5376 (concat (substring subject 0 (match-beginning 1))
5377 (substring subject (match-end 1)))))
5378 (mail-header-set-subject header subject))))))
5380 (defun gnus-fetch-headers (articles)
5381 "Fetch headers of ARTICLES."
5382 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5383 (gnus-message 5 "Fetching headers for %s..." name)
5384 (prog1
5385 (if (eq 'nov
5386 (setq gnus-headers-retrieved-by
5387 (gnus-retrieve-headers
5388 articles gnus-newsgroup-name
5389 ;; We might want to fetch old headers, but
5390 ;; not if there is only 1 article.
5391 (and (or (and
5392 (not (eq gnus-fetch-old-headers 'some))
5393 (not (numberp gnus-fetch-old-headers)))
5394 (> (length articles) 1))
5395 gnus-fetch-old-headers))))
5396 (gnus-get-newsgroup-headers-xover
5397 articles nil nil gnus-newsgroup-name t)
5398 (gnus-get-newsgroup-headers))
5399 (gnus-message 5 "Fetching headers for %s...done" name))))
5401 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5402 "Select newsgroup GROUP.
5403 If READ-ALL is non-nil, all articles in the group are selected.
5404 If SELECT-ARTICLES, only select those articles from GROUP."
5405 (let* ((entry (gnus-group-entry group))
5406 ;;!!! Dirty hack; should be removed.
5407 (gnus-summary-ignore-duplicates
5408 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5410 gnus-summary-ignore-duplicates))
5411 (info (nth 2 entry))
5412 charset articles fetched-articles cached)
5414 (unless (gnus-check-server
5415 (set (make-local-variable 'gnus-current-select-method)
5416 (gnus-find-method-for-group group)))
5417 (error "Couldn't open server"))
5418 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5420 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5421 (gnus-activate-group group) ; Or we can activate it...
5422 (progn ; Or we bug out.
5423 (when (equal major-mode 'gnus-summary-mode)
5424 (gnus-kill-buffer (current-buffer)))
5425 (error
5426 "Couldn't activate group %s: %s"
5427 (mm-decode-coding-string group charset)
5428 (mm-decode-coding-string (gnus-status-message group) charset))))
5430 (unless (gnus-request-group group t)
5431 (when (equal major-mode 'gnus-summary-mode)
5432 (gnus-kill-buffer (current-buffer)))
5433 (error "Couldn't request group %s: %s"
5434 (mm-decode-coding-string group charset)
5435 (mm-decode-coding-string (gnus-status-message group) charset)))
5437 (when gnus-agent
5438 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5440 (setq gnus-summary-use-undownloaded-faces
5441 (gnus-agent-find-parameter
5442 group
5443 'agent-enable-undownloaded-faces)))
5445 (setq gnus-newsgroup-name group
5446 gnus-newsgroup-unselected nil
5447 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5449 (let ((display (gnus-group-find-parameter group 'display)))
5450 (setq gnus-newsgroup-display
5451 (cond
5452 ((not (zerop (or (car-safe read-all) 0)))
5453 ;; The user entered the group with C-u SPC/RET, let's show
5454 ;; all articles.
5455 'gnus-not-ignore)
5456 ((eq display 'all)
5457 'gnus-not-ignore)
5458 ((arrayp display)
5459 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5460 ((numberp display)
5461 ;; The following is probably the "correct" solution, but
5462 ;; it makes Gnus fetch all headers and then limit the
5463 ;; articles (which is slow), so instead we hack the
5464 ;; select-articles parameter instead. -- Simon Josefsson
5465 ;; <jas@kth.se>
5467 ;; (gnus-byte-compile
5468 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5469 ;; display)))))
5470 (setq select-articles
5471 (gnus-uncompress-range
5472 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5473 (if (> tmp 0)
5476 (cdr (gnus-active group)))))
5477 nil)
5479 nil))))
5481 (gnus-summary-setup-default-charset)
5483 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5484 (when (gnus-virtual-group-p group)
5485 (setq cached gnus-newsgroup-cached))
5487 (setq gnus-newsgroup-unreads
5488 (gnus-sorted-ndifference
5489 (gnus-sorted-ndifference gnus-newsgroup-unreads
5490 gnus-newsgroup-marked)
5491 gnus-newsgroup-dormant))
5493 (setq gnus-newsgroup-processable nil)
5495 (gnus-update-read-articles group gnus-newsgroup-unreads)
5497 ;; Adjust and set lists of article marks.
5498 (when info
5499 (gnus-adjust-marked-articles info))
5500 (if (setq articles select-articles)
5501 (setq gnus-newsgroup-unselected
5502 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5503 (setq articles (gnus-articles-to-read group read-all)))
5505 (cond
5506 ((null articles)
5507 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5508 'quit)
5509 ((eq articles 0) nil)
5511 ;; Init the dependencies hash table.
5512 (setq gnus-newsgroup-dependencies
5513 (gnus-make-hashtable (length articles)))
5514 (gnus-set-global-variables)
5515 ;; Retrieve the headers and read them in.
5517 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5519 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5520 (when cached
5521 (setq gnus-newsgroup-cached cached))
5523 ;; Suppress duplicates?
5524 (when gnus-suppress-duplicates
5525 (gnus-dup-suppress-articles))
5527 ;; Set the initial limit.
5528 (setq gnus-newsgroup-limit (copy-sequence articles))
5529 ;; Remove canceled articles from the list of unread articles.
5530 (setq fetched-articles
5531 (mapcar (lambda (headers) (mail-header-number headers))
5532 gnus-newsgroup-headers))
5533 (setq gnus-newsgroup-articles fetched-articles)
5534 (setq gnus-newsgroup-unreads
5535 (gnus-sorted-nintersection
5536 gnus-newsgroup-unreads fetched-articles))
5537 (gnus-compute-unseen-list)
5539 ;; Removed marked articles that do not exist.
5540 (gnus-update-missing-marks
5541 (gnus-sorted-difference articles fetched-articles))
5542 ;; We might want to build some more threads first.
5543 (when (and gnus-fetch-old-headers
5544 (eq gnus-headers-retrieved-by 'nov))
5545 (if (eq gnus-fetch-old-headers 'invisible)
5546 (gnus-build-all-threads)
5547 (gnus-build-old-threads)))
5548 ;; Let the Gnus agent mark articles as read.
5549 (when gnus-agent
5550 (gnus-agent-get-undownloaded-list))
5551 ;; Remove list identifiers from subject
5552 (when gnus-list-identifiers
5553 (gnus-summary-remove-list-identifiers))
5554 ;; Check whether auto-expire is to be done in this group.
5555 (setq gnus-newsgroup-auto-expire
5556 (gnus-group-auto-expirable-p group))
5557 ;; Set up the article buffer now, if necessary.
5558 (unless (and gnus-single-article-buffer
5559 (equal gnus-article-buffer "*Article*"))
5560 (gnus-article-setup-buffer))
5561 ;; First and last article in this newsgroup.
5562 (when gnus-newsgroup-headers
5563 (setq gnus-newsgroup-begin
5564 (mail-header-number (car gnus-newsgroup-headers))
5565 gnus-newsgroup-end
5566 (mail-header-number
5567 (gnus-last-element gnus-newsgroup-headers))))
5568 ;; GROUP is successfully selected.
5569 (or gnus-newsgroup-headers t)))))
5571 (defun gnus-compute-unseen-list ()
5572 ;; The `seen' marks are treated specially.
5573 (if (not gnus-newsgroup-seen)
5574 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5575 (setq gnus-newsgroup-unseen
5576 (gnus-inverse-list-range-intersection
5577 gnus-newsgroup-articles gnus-newsgroup-seen))))
5579 (defun gnus-summary-display-make-predicate (display)
5580 (require 'gnus-agent)
5581 (when (= (length display) 1)
5582 (setq display (car display)))
5583 (unless gnus-summary-display-cache
5584 (dolist (elem (append '((unread . unread)
5585 (read . read)
5586 (unseen . unseen))
5587 gnus-article-mark-lists))
5588 (push (cons (cdr elem)
5589 (gnus-byte-compile
5590 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5591 gnus-summary-display-cache)))
5592 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5593 (gnus-category-predicate-cache gnus-summary-display-cache))
5594 (gnus-get-predicate display)))
5596 ;; Uses the dynamically bound `number' variable.
5597 (defvar number)
5598 (defun gnus-article-marked-p (type &optional article)
5599 (let ((article (or article number)))
5600 (cond
5601 ((eq type 'tick)
5602 (memq article gnus-newsgroup-marked))
5603 ((eq type 'spam)
5604 (memq article gnus-newsgroup-spam-marked))
5605 ((eq type 'unsend)
5606 (memq article gnus-newsgroup-unsendable))
5607 ((eq type 'undownload)
5608 (memq article gnus-newsgroup-undownloaded))
5609 ((eq type 'download)
5610 (memq article gnus-newsgroup-downloadable))
5611 ((eq type 'unread)
5612 (memq article gnus-newsgroup-unreads))
5613 ((eq type 'read)
5614 (memq article gnus-newsgroup-reads))
5615 ((eq type 'dormant)
5616 (memq article gnus-newsgroup-dormant) )
5617 ((eq type 'expire)
5618 (memq article gnus-newsgroup-expirable))
5619 ((eq type 'reply)
5620 (memq article gnus-newsgroup-replied))
5621 ((eq type 'killed)
5622 (memq article gnus-newsgroup-killed))
5623 ((eq type 'bookmark)
5624 (assq article gnus-newsgroup-bookmarks))
5625 ((eq type 'score)
5626 (assq article gnus-newsgroup-scored))
5627 ((eq type 'save)
5628 (memq article gnus-newsgroup-saved))
5629 ((eq type 'cache)
5630 (memq article gnus-newsgroup-cached))
5631 ((eq type 'forward)
5632 (memq article gnus-newsgroup-forwarded))
5633 ((eq type 'seen)
5634 (not (memq article gnus-newsgroup-unseen)))
5635 ((eq type 'recent)
5636 (memq article gnus-newsgroup-recent))
5637 (t t))))
5639 (defun gnus-articles-to-read (group &optional read-all)
5640 "Find out what articles the user wants to read."
5641 (let* ((articles
5642 ;; Select all articles if `read-all' is non-nil, or if there
5643 ;; are no unread articles.
5644 (if (or read-all
5645 (and (zerop (length gnus-newsgroup-marked))
5646 (zerop (length gnus-newsgroup-unreads)))
5647 ;; Fetch all if the predicate is non-nil.
5648 gnus-newsgroup-display)
5649 ;; We want to select the headers for all the articles in
5650 ;; the group, so we select either all the active
5651 ;; articles in the group, or (if that's nil), the
5652 ;; articles in the cache.
5654 (if gnus-newsgroup-maximum-articles
5655 (let ((active (gnus-active group)))
5656 (gnus-uncompress-range
5657 (cons (max (car active)
5658 (- (cdr active)
5659 gnus-newsgroup-maximum-articles
5660 -1))
5661 (cdr active))))
5662 (gnus-uncompress-range (gnus-active group)))
5663 (gnus-cache-articles-in-group group))
5664 ;; Select only the "normal" subset of articles.
5665 (gnus-sorted-nunion
5666 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5667 gnus-newsgroup-unreads)))
5668 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5669 (scored (length scored-list))
5670 (number (length articles))
5671 (marked (+ (length gnus-newsgroup-marked)
5672 (length gnus-newsgroup-dormant)))
5673 (select
5674 (cond
5675 ((numberp read-all)
5676 read-all)
5677 ((numberp gnus-newsgroup-display)
5678 gnus-newsgroup-display)
5680 (condition-case ()
5681 (cond
5682 ((and (or (<= scored marked) (= scored number))
5683 (numberp gnus-large-newsgroup)
5684 (> number gnus-large-newsgroup))
5685 (let* ((cursor-in-echo-area nil)
5686 (initial (gnus-parameter-large-newsgroup-initial
5687 gnus-newsgroup-name))
5688 (input
5689 (read-string
5690 (format
5691 "How many articles from %s (%s %d): "
5692 (gnus-group-decoded-name gnus-newsgroup-name)
5693 (if initial "max" "default")
5694 number)
5695 (if initial
5696 (cons (number-to-string initial)
5697 0)))))
5698 (if (string-match "^[ \t]*$" input) number input)))
5699 ((and (> scored marked) (< scored number)
5700 (> (- scored number) 20))
5701 (let ((input
5702 (read-string
5703 (format "%s %s (%d scored, %d total): "
5704 "How many articles from"
5705 (gnus-group-decoded-name group)
5706 scored number))))
5707 (if (string-match "^[ \t]*$" input)
5708 number input)))
5709 (t number))
5710 (quit
5711 (message "Quit getting the articles to read")
5712 nil))))))
5713 (setq select (if (stringp select) (string-to-number select) select))
5714 (if (or (null select) (zerop select))
5715 select
5716 (if (and (not (zerop scored)) (<= (abs select) scored))
5717 (progn
5718 (setq articles (sort scored-list '<))
5719 (setq number (length articles)))
5720 (setq articles (copy-sequence articles)))
5722 (when (< (abs select) number)
5723 (if (< select 0)
5724 ;; Select the N oldest articles.
5725 (setcdr (nthcdr (1- (abs select)) articles) nil)
5726 ;; Select the N most recent articles.
5727 (setq articles (nthcdr (- number select) articles))))
5728 (setq gnus-newsgroup-unselected
5729 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5730 (when gnus-alter-articles-to-read-function
5731 (setq articles
5732 (sort
5733 (funcall gnus-alter-articles-to-read-function
5734 gnus-newsgroup-name articles)
5735 '<)))
5736 articles)))
5738 (defun gnus-killed-articles (killed articles)
5739 (let (out)
5740 (while articles
5741 (when (inline (gnus-member-of-range (car articles) killed))
5742 (push (car articles) out))
5743 (setq articles (cdr articles)))
5744 out))
5746 (defun gnus-uncompress-marks (marks)
5747 "Uncompress the mark ranges in MARKS."
5748 (let ((uncompressed '(score bookmark))
5749 out)
5750 (while marks
5751 (if (memq (caar marks) uncompressed)
5752 (push (car marks) out)
5753 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5754 (setq marks (cdr marks)))
5755 out))
5757 (defun gnus-article-mark-to-type (mark)
5758 "Return the type of MARK."
5759 (or (cadr (assq mark gnus-article-special-mark-lists))
5760 'list))
5762 (defun gnus-article-unpropagatable-p (mark)
5763 "Return whether MARK should be propagated to back end."
5764 (memq mark gnus-article-unpropagated-mark-lists))
5766 (defun gnus-adjust-marked-articles (info)
5767 "Set all article lists and remove all marks that are no longer valid."
5768 (let* ((marked-lists (gnus-info-marks info))
5769 (active (gnus-active (gnus-info-group info)))
5770 (min (car active))
5771 (max (cdr active))
5772 (types gnus-article-mark-lists)
5773 marks var articles article mark mark-type
5774 bgn end)
5776 (dolist (marks marked-lists)
5777 (setq mark (car marks)
5778 mark-type (gnus-article-mark-to-type mark)
5779 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5781 ;; We set the variable according to the type of the marks list,
5782 ;; and then adjust the marks to a subset of the active articles.
5783 (cond
5784 ;; Adjust "simple" lists - compressed yet unsorted
5785 ((eq mark-type 'list)
5786 ;; Simultaneously uncompress and clip to active range
5787 ;; See gnus-uncompress-range for a description of possible marks
5788 (let (l lh)
5789 (if (not (cadr marks))
5790 (set var nil)
5791 (setq articles (if (numberp (cddr marks))
5792 (list (cdr marks))
5793 (cdr marks))
5794 lh (cons nil nil)
5795 l lh)
5797 (while (setq article (pop articles))
5798 (cond ((consp article)
5799 (setq bgn (max (car article) min)
5800 end (min (cdr article) max))
5801 (while (<= bgn end)
5802 (setq l (setcdr l (cons bgn nil))
5803 bgn (1+ bgn))))
5804 ((and (<= min article)
5805 (>= max article))
5806 (setq l (setcdr l (cons article nil))))))
5807 (set var (cdr lh)))))
5808 ;; Adjust assocs.
5809 ((eq mark-type 'tuple)
5810 (set var (setq articles (cdr marks)))
5811 (when (not (listp (cdr (symbol-value var))))
5812 (set var (list (symbol-value var))))
5813 (when (not (listp (cdr articles)))
5814 (setq articles (list articles)))
5815 (while articles
5816 (when (or (not (consp (setq article (pop articles))))
5817 (< (car article) min)
5818 (> (car article) max))
5819 (set var (delq article (symbol-value var))))))
5820 ;; Adjust ranges (sloppily).
5821 ((eq mark-type 'range)
5822 (cond
5823 ((eq mark 'seen)
5824 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5825 ;; It should be (seen (NUM1 . NUM2)).
5826 (when (numberp (cddr marks))
5827 (setcdr marks (list (cdr marks))))
5828 (setq articles (cdr marks))
5829 (while (and articles
5830 (or (and (consp (car articles))
5831 (> min (cdar articles)))
5832 (and (numberp (car articles))
5833 (> min (car articles)))))
5834 (pop articles))
5835 (set var articles))))))))
5837 (defun gnus-update-missing-marks (missing)
5838 "Go through the list of MISSING articles and remove them from the mark lists."
5839 (when missing
5840 (let (var m)
5841 ;; Go through all types.
5842 (dolist (elem gnus-article-mark-lists)
5843 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5844 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5845 (when (symbol-value var)
5846 ;; This list has articles. So we delete all missing
5847 ;; articles from it.
5848 (setq m missing)
5849 (while m
5850 (set var (delq (pop m) (symbol-value var))))))))))
5852 (defun gnus-update-marks ()
5853 "Enter the various lists of marked articles into the newsgroup info list."
5854 (let ((types gnus-article-mark-lists)
5855 (info (gnus-get-info gnus-newsgroup-name))
5856 type list newmarked symbol delta-marks)
5857 (when info
5858 ;; Add all marks lists to the list of marks lists.
5859 (while (setq type (pop types))
5860 (setq list (symbol-value
5861 (setq symbol
5862 (intern (format "gnus-newsgroup-%s" (car type))))))
5864 (when list
5865 ;; Get rid of the entries of the articles that have the
5866 ;; default score.
5867 (when (and (eq (cdr type) 'score)
5868 gnus-save-score
5869 list)
5870 (let* ((arts list)
5871 (prev (cons nil list))
5872 (all prev))
5873 (while arts
5874 (if (or (not (consp (car arts)))
5875 (= (cdar arts) gnus-summary-default-score))
5876 (setcdr prev (cdr arts))
5877 (setq prev arts))
5878 (setq arts (cdr arts)))
5879 (setq list (cdr all)))))
5881 (when (eq (cdr type) 'seen)
5882 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5884 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5885 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5887 (when (and (gnus-check-backend-function
5888 'request-set-mark gnus-newsgroup-name)
5889 (not (gnus-article-unpropagatable-p (cdr type))))
5890 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5891 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5892 (add (gnus-remove-from-range
5893 (gnus-copy-sequence list) old)))
5894 (when add
5895 (push (list add 'add (list (cdr type))) delta-marks))
5896 (when del
5897 (push (list del 'del (list (cdr type))) delta-marks))))
5899 (when list
5900 (push (cons (cdr type) list) newmarked)))
5902 (when delta-marks
5903 (unless (gnus-check-group gnus-newsgroup-name)
5904 (error "Can't open server for %s" gnus-newsgroup-name))
5905 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5907 ;; Enter these new marks into the info of the group.
5908 (if (nthcdr 3 info)
5909 (setcar (nthcdr 3 info) newmarked)
5910 ;; Add the marks lists to the end of the info.
5911 (when newmarked
5912 (setcdr (nthcdr 2 info) (list newmarked))))
5914 ;; Cut off the end of the info if there's nothing else there.
5915 (let ((i 5))
5916 (while (and (> i 2)
5917 (not (nth i info)))
5918 (when (nthcdr (decf i) info)
5919 (setcdr (nthcdr i info) nil)))))))
5921 (defun gnus-set-mode-line (where)
5922 "Set the mode line of the article or summary buffers.
5923 If WHERE is `summary', the summary mode line format will be used."
5924 ;; Is this mode line one we keep updated?
5925 (when (and (memq where gnus-updated-mode-lines)
5926 (symbol-value
5927 (intern (format "gnus-%s-mode-line-format-spec" where))))
5928 (let (mode-string)
5929 (save-excursion
5930 ;; We evaluate this in the summary buffer since these
5931 ;; variables are buffer-local to that buffer.
5932 (set-buffer gnus-summary-buffer)
5933 ;; We bind all these variables that are used in the `eval' form
5934 ;; below.
5935 (let* ((mformat (symbol-value
5936 (intern
5937 (format "gnus-%s-mode-line-format-spec" where))))
5938 (gnus-tmp-group-name (gnus-mode-string-quote
5939 (gnus-group-decoded-name
5940 gnus-newsgroup-name)))
5941 (gnus-tmp-article-number (or gnus-current-article 0))
5942 (gnus-tmp-unread gnus-newsgroup-unreads)
5943 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5944 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5945 (gnus-tmp-unread-and-unselected
5946 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5947 (zerop gnus-tmp-unselected))
5949 ((zerop gnus-tmp-unselected)
5950 (format "{%d more}" gnus-tmp-unread-and-unticked))
5951 (t (format "{%d(+%d) more}"
5952 gnus-tmp-unread-and-unticked
5953 gnus-tmp-unselected))))
5954 (gnus-tmp-subject
5955 (if (and gnus-current-headers
5956 (vectorp gnus-current-headers))
5957 (gnus-mode-string-quote
5958 (mail-header-subject gnus-current-headers))
5959 ""))
5960 bufname-length max-len
5961 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5962 (setq mode-string (eval mformat))
5963 (setq bufname-length (if (string-match "%b" mode-string)
5964 (- (length
5965 (buffer-name
5966 (if (eq where 'summary)
5968 (get-buffer gnus-article-buffer))))
5971 (setq max-len (max 4 (if gnus-mode-non-string-length
5972 (- (window-width)
5973 gnus-mode-non-string-length
5974 bufname-length)
5975 (length mode-string))))
5976 ;; We might have to chop a bit of the string off...
5977 (when (> (length mode-string) max-len)
5978 (setq mode-string
5979 (concat (truncate-string-to-width mode-string (- max-len 3))
5980 "...")))
5981 ;; Pad the mode string a bit.
5982 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5983 ;; Update the mode line.
5984 (setq mode-line-buffer-identification
5985 (gnus-mode-line-buffer-identification (list mode-string)))
5986 (set-buffer-modified-p t))))
5988 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5989 "Go through the HEADERS list and add all Xrefs to a hash table.
5990 The resulting hash table is returned, or nil if no Xrefs were found."
5991 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5992 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5993 (xref-hashtb (gnus-make-hashtable))
5994 start group entry number xrefs header)
5995 (while headers
5996 (setq header (pop headers))
5997 (when (and (setq xrefs (mail-header-xref header))
5998 (not (memq (setq number (mail-header-number header))
5999 unreads)))
6000 (setq start 0)
6001 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6002 (setq start (match-end 0))
6003 (setq group (if prefix
6004 (concat prefix (substring xrefs (match-beginning 1)
6005 (match-end 1)))
6006 (substring xrefs (match-beginning 1) (match-end 1))))
6007 (setq number
6008 (string-to-number (substring xrefs (match-beginning 2)
6009 (match-end 2))))
6010 (if (setq entry (gnus-gethash group xref-hashtb))
6011 (setcdr entry (cons number (cdr entry)))
6012 (gnus-sethash group (cons number nil) xref-hashtb)))))
6013 (and start xref-hashtb)))
6015 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6016 "Look through all the headers and mark the Xrefs as read."
6017 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6018 name info xref-hashtb idlist method nth4)
6019 (save-excursion
6020 (set-buffer gnus-group-buffer)
6021 (when (setq xref-hashtb
6022 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6023 (mapatoms
6024 (lambda (group)
6025 (unless (string= from-newsgroup (setq name (symbol-name group)))
6026 (setq idlist (symbol-value group))
6027 ;; Dead groups are not updated.
6028 (and (prog1
6029 (setq info (gnus-get-info name))
6030 (when (stringp (setq nth4 (gnus-info-method info)))
6031 (setq nth4 (gnus-server-to-method nth4))))
6032 ;; Only do the xrefs if the group has the same
6033 ;; select method as the group we have just read.
6034 (or (gnus-methods-equal-p
6035 nth4 (gnus-find-method-for-group from-newsgroup))
6036 virtual
6037 (equal nth4 (setq method (gnus-find-method-for-group
6038 from-newsgroup)))
6039 (and (equal (car nth4) (car method))
6040 (equal (nth 1 nth4) (nth 1 method))))
6041 gnus-use-cross-reference
6042 (or (not (eq gnus-use-cross-reference t))
6043 virtual
6044 ;; Only do cross-references on subscribed
6045 ;; groups, if that is what is wanted.
6046 (<= (gnus-info-level info) gnus-level-subscribed))
6047 (gnus-group-make-articles-read name idlist))))
6048 xref-hashtb)))))
6050 (defun gnus-compute-read-articles (group articles)
6051 (let* ((entry (gnus-group-entry group))
6052 (info (nth 2 entry))
6053 (active (gnus-active group))
6054 ninfo)
6055 (when entry
6056 ;; First peel off all invalid article numbers.
6057 (when active
6058 (let ((ids articles)
6059 id first)
6060 (while (setq id (pop ids))
6061 (when (and first (> id (cdr active)))
6062 ;; We'll end up in this situation in one particular
6063 ;; obscure situation. If you re-scan a group and get
6064 ;; a new article that is cross-posted to a different
6065 ;; group that has not been re-scanned, you might get
6066 ;; crossposted article that has a higher number than
6067 ;; Gnus believes possible. So we re-activate this
6068 ;; group as well. This might mean doing the
6069 ;; crossposting thingy will *increase* the number
6070 ;; of articles in some groups. Tsk, tsk.
6071 (setq active (or (gnus-activate-group group) active)))
6072 (when (or (> id (cdr active))
6073 (< id (car active)))
6074 (setq articles (delq id articles))))))
6075 ;; If the read list is nil, we init it.
6076 (if (and active
6077 (null (gnus-info-read info))
6078 (> (car active) 1))
6079 (setq ninfo (cons 1 (1- (car active))))
6080 (setq ninfo (gnus-info-read info)))
6081 ;; Then we add the read articles to the range.
6082 (gnus-add-to-range
6083 ninfo (setq articles (sort articles '<))))))
6085 (defun gnus-group-make-articles-read (group articles)
6086 "Update the info of GROUP to say that ARTICLES are read."
6087 (let* ((num 0)
6088 (entry (gnus-group-entry group))
6089 (info (nth 2 entry))
6090 (active (gnus-active group))
6091 range)
6092 (when entry
6093 (setq range (gnus-compute-read-articles group articles))
6094 (with-current-buffer gnus-group-buffer
6095 (gnus-undo-register
6096 `(progn
6097 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6098 (gnus-info-set-read ',info ',(gnus-info-read info))
6099 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6100 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6101 (gnus-group-update-group ,group t))))
6102 ;; Add the read articles to the range.
6103 (gnus-info-set-read info range)
6104 (gnus-request-set-mark group (list (list range 'add '(read))))
6105 ;; Then we have to re-compute how many unread
6106 ;; articles there are in this group.
6107 (when active
6108 (cond
6109 ((not range)
6110 (setq num (- (1+ (cdr active)) (car active))))
6111 ((not (listp (cdr range)))
6112 (setq num (- (cdr active) (- (1+ (cdr range))
6113 (car range)))))
6115 (while range
6116 (if (numberp (car range))
6117 (setq num (1+ num))
6118 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6119 (setq range (cdr range)))
6120 (setq num (- (cdr active) num))))
6121 ;; Update the number of unread articles.
6122 (setcar entry num)
6123 ;; Update the group buffer.
6124 (unless (gnus-ephemeral-group-p group)
6125 (gnus-group-update-group group t))))))
6127 (defvar gnus-newsgroup-none-id 0)
6129 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6130 (let ((cur nntp-server-buffer)
6131 (dependencies
6132 (or dependencies
6133 (with-current-buffer gnus-summary-buffer
6134 gnus-newsgroup-dependencies)))
6135 headers id end ref number
6136 (mail-parse-charset gnus-newsgroup-charset)
6137 (mail-parse-ignored-charsets
6138 (save-excursion (condition-case nil
6139 (set-buffer gnus-summary-buffer)
6140 (error))
6141 gnus-newsgroup-ignored-charsets)))
6142 (save-excursion
6143 (set-buffer nntp-server-buffer)
6144 ;; Translate all TAB characters into SPACE characters.
6145 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6146 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6147 (ietf-drums-unfold-fws)
6148 (gnus-run-hooks 'gnus-parse-headers-hook)
6149 (let ((case-fold-search t)
6150 in-reply-to header p lines chars)
6151 (goto-char (point-min))
6152 ;; Search to the beginning of the next header. Error messages
6153 ;; do not begin with 2 or 3.
6154 (while (re-search-forward "^[23][0-9]+ " nil t)
6155 (setq id nil
6156 ref nil)
6157 ;; This implementation of this function, with nine
6158 ;; search-forwards instead of the one re-search-forward and
6159 ;; a case (which basically was the old function) is actually
6160 ;; about twice as fast, even though it looks messier. You
6161 ;; can't have everything, I guess. Speed and elegance
6162 ;; doesn't always go hand in hand.
6163 (setq
6164 header
6165 (vector
6166 ;; Number.
6167 (prog1
6168 (setq number (read cur))
6169 (end-of-line)
6170 (setq p (point))
6171 (narrow-to-region (point)
6172 (or (and (search-forward "\n.\n" nil t)
6173 (- (point) 2))
6174 (point))))
6175 ;; Subject.
6176 (progn
6177 (goto-char p)
6178 (if (search-forward "\nsubject:" nil t)
6179 (funcall gnus-decode-encoded-word-function
6180 (nnheader-header-value))
6181 "(none)"))
6182 ;; From.
6183 (progn
6184 (goto-char p)
6185 (if (search-forward "\nfrom:" nil t)
6186 (funcall gnus-decode-encoded-address-function
6187 (nnheader-header-value))
6188 "(nobody)"))
6189 ;; Date.
6190 (progn
6191 (goto-char p)
6192 (if (search-forward "\ndate:" nil t)
6193 (nnheader-header-value) ""))
6194 ;; Message-ID.
6195 (progn
6196 (goto-char p)
6197 (setq id (if (re-search-forward
6198 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6199 ;; We do it this way to make sure the Message-ID
6200 ;; is (somewhat) syntactically valid.
6201 (buffer-substring (match-beginning 1)
6202 (match-end 1))
6203 ;; If there was no message-id, we just fake one
6204 ;; to make subsequent routines simpler.
6205 (nnheader-generate-fake-message-id number))))
6206 ;; References.
6207 (progn
6208 (goto-char p)
6209 (if (search-forward "\nreferences:" nil t)
6210 (progn
6211 (setq end (point))
6212 (prog1
6213 (nnheader-header-value)
6214 (setq ref
6215 (buffer-substring
6216 (progn
6217 (end-of-line)
6218 (search-backward ">" end t)
6219 (1+ (point)))
6220 (progn
6221 (search-backward "<" end t)
6222 (point))))))
6223 ;; Get the references from the in-reply-to header if there
6224 ;; were no references and the in-reply-to header looks
6225 ;; promising.
6226 (if (and (search-forward "\nin-reply-to:" nil t)
6227 (setq in-reply-to (nnheader-header-value))
6228 (string-match "<[^>]+>" in-reply-to))
6229 (let (ref2)
6230 (setq ref (substring in-reply-to (match-beginning 0)
6231 (match-end 0)))
6232 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6233 (setq ref2 (substring in-reply-to (match-beginning 0)
6234 (match-end 0)))
6235 (when (> (length ref2) (length ref))
6236 (setq ref ref2)))
6237 ref)
6238 (setq ref nil))))
6239 ;; Chars.
6240 (progn
6241 (goto-char p)
6242 (if (search-forward "\nchars: " nil t)
6243 (if (numberp (setq chars (ignore-errors (read cur))))
6244 chars -1)
6245 -1))
6246 ;; Lines.
6247 (progn
6248 (goto-char p)
6249 (if (search-forward "\nlines: " nil t)
6250 (if (numberp (setq lines (ignore-errors (read cur))))
6251 lines -1)
6252 -1))
6253 ;; Xref.
6254 (progn
6255 (goto-char p)
6256 (and (search-forward "\nxref:" nil t)
6257 (nnheader-header-value)))
6258 ;; Extra.
6259 (when gnus-extra-headers
6260 (let ((extra gnus-extra-headers)
6261 out)
6262 (while extra
6263 (goto-char p)
6264 (when (search-forward
6265 (concat "\n" (symbol-name (car extra)) ":") nil t)
6266 (push (cons (car extra) (nnheader-header-value))
6267 out))
6268 (pop extra))
6269 out))))
6270 (when (equal id ref)
6271 (setq ref nil))
6273 (when gnus-alter-header-function
6274 (funcall gnus-alter-header-function header)
6275 (setq id (mail-header-id header)
6276 ref (gnus-parent-id (mail-header-references header))))
6278 (when (setq header
6279 (gnus-dependencies-add-header
6280 header dependencies force-new))
6281 (push header headers))
6282 (goto-char (point-max))
6283 (widen))
6284 (nreverse headers)))))
6286 ;; Goes through the xover lines and returns a list of vectors
6287 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6288 force-new dependencies
6289 group also-fetch-heads)
6290 "Parse the news overview data in the server buffer.
6291 Return a list of headers that match SEQUENCE (see
6292 `nntp-retrieve-headers')."
6293 ;; Get the Xref when the users reads the articles since most/some
6294 ;; NNTP servers do not include Xrefs when using XOVER.
6295 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6296 (let ((mail-parse-charset gnus-newsgroup-charset)
6297 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6298 (cur nntp-server-buffer)
6299 (dependencies (or dependencies gnus-newsgroup-dependencies))
6300 (allp (cond
6301 ((eq gnus-read-all-available-headers t)
6303 ((and (stringp gnus-read-all-available-headers)
6304 group)
6305 (string-match gnus-read-all-available-headers group))
6307 nil)))
6308 number headers header)
6309 (save-excursion
6310 (set-buffer nntp-server-buffer)
6311 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6312 ;; Allow the user to mangle the headers before parsing them.
6313 (gnus-run-hooks 'gnus-parse-headers-hook)
6314 (goto-char (point-min))
6315 (gnus-parse-without-error
6316 (while (and (or sequence allp)
6317 (not (eobp)))
6318 (setq number (read cur))
6319 (when (not allp)
6320 (while (and sequence
6321 (< (car sequence) number))
6322 (setq sequence (cdr sequence))))
6323 (when (and (or allp
6324 (and sequence
6325 (eq number (car sequence))))
6326 (progn
6327 (setq sequence (cdr sequence))
6328 (setq header (inline
6329 (gnus-nov-parse-line
6330 number dependencies force-new)))))
6331 (push header headers))
6332 (forward-line 1)))
6333 ;; A common bug in inn is that if you have posted an article and
6334 ;; then retrieves the active file, it will answer correctly --
6335 ;; the new article is included. However, a NOV entry for the
6336 ;; article may not have been generated yet, so this may fail.
6337 ;; We work around this problem by retrieving the last few
6338 ;; headers using HEAD.
6339 (if (or (not also-fetch-heads)
6340 (not sequence))
6341 ;; We (probably) got all the headers.
6342 (nreverse headers)
6343 (let ((gnus-nov-is-evil t))
6344 (nconc
6345 (nreverse headers)
6346 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6347 (gnus-get-newsgroup-headers))))))))
6349 (defun gnus-article-get-xrefs ()
6350 "Fill in the Xref value in `gnus-current-headers', if necessary.
6351 This is meant to be called in `gnus-article-internal-prepare-hook'."
6352 (let ((headers (with-current-buffer gnus-summary-buffer
6353 gnus-current-headers)))
6354 (or (not gnus-use-cross-reference)
6355 (not headers)
6356 (and (mail-header-xref headers)
6357 (not (string= (mail-header-xref headers) "")))
6358 (let ((case-fold-search t)
6359 xref)
6360 (save-restriction
6361 (nnheader-narrow-to-headers)
6362 (goto-char (point-min))
6363 (when (or (and (not (eobp))
6364 (eq (downcase (char-after)) ?x)
6365 (looking-at "Xref:"))
6366 (search-forward "\nXref:" nil t))
6367 (goto-char (1+ (match-end 0)))
6368 (setq xref (buffer-substring (point) (point-at-eol)))
6369 (mail-header-set-xref headers xref)))))))
6371 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6372 "Find article ID and insert the summary line for that article.
6373 OLD-HEADER can either be a header or a line number to insert
6374 the subject line on."
6375 (let* ((line (and (numberp old-header) old-header))
6376 (old-header (and (vectorp old-header) old-header))
6377 (header (cond ((and old-header use-old-header)
6378 old-header)
6379 ((and (numberp id)
6380 (gnus-number-to-header id))
6381 (gnus-number-to-header id))
6383 (gnus-read-header id))))
6384 (number (and (numberp id) id))
6386 (when header
6387 ;; Rebuild the thread that this article is part of and go to the
6388 ;; article we have fetched.
6389 (when (and (not gnus-show-threads)
6390 old-header)
6391 (when (and number
6392 (setq d (gnus-data-find (mail-header-number old-header))))
6393 (goto-char (gnus-data-pos d))
6394 (gnus-data-remove
6395 number
6396 (- (point-at-bol)
6397 (prog1
6398 (1+ (point-at-eol))
6399 (gnus-delete-line))))))
6400 ;; Remove list identifiers from subject.
6401 (when gnus-list-identifiers
6402 (let ((gnus-newsgroup-headers (list header)))
6403 (gnus-summary-remove-list-identifiers)))
6404 (when old-header
6405 (mail-header-set-number header (mail-header-number old-header)))
6406 (setq gnus-newsgroup-sparse
6407 (delq (setq number (mail-header-number header))
6408 gnus-newsgroup-sparse))
6409 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6410 (push number gnus-newsgroup-limit)
6411 (gnus-rebuild-thread (mail-header-id header) line)
6412 (gnus-summary-goto-subject number nil t))
6413 (when (and (numberp number)
6414 (> number 0))
6415 ;; We have to update the boundaries even if we can't fetch the
6416 ;; article if ID is a number -- so that the next `P' or `N'
6417 ;; command will fetch the previous (or next) article even
6418 ;; if the one we tried to fetch this time has been canceled.
6419 (when (> number gnus-newsgroup-end)
6420 (setq gnus-newsgroup-end number))
6421 (when (< number gnus-newsgroup-begin)
6422 (setq gnus-newsgroup-begin number))
6423 (setq gnus-newsgroup-unselected
6424 (delq number gnus-newsgroup-unselected)))
6425 ;; Report back a success?
6426 (and header (mail-header-number header))))
6428 ;;; Process/prefix in the summary buffer
6430 (defun gnus-summary-work-articles (n)
6431 "Return a list of articles to be worked upon.
6432 The prefix argument, the list of process marked articles, and the
6433 current article will be taken into consideration."
6434 (save-excursion
6435 (set-buffer gnus-summary-buffer)
6436 (cond
6438 ;; A numerical prefix has been given.
6439 (setq n (prefix-numeric-value n))
6440 (let ((backward (< n 0))
6441 (n (abs (prefix-numeric-value n)))
6442 articles article)
6443 (save-excursion
6444 (while
6445 (and (> n 0)
6446 (push (setq article (gnus-summary-article-number))
6447 articles)
6448 (if backward
6449 (gnus-summary-find-prev nil article)
6450 (gnus-summary-find-next nil article)))
6451 (decf n)))
6452 (nreverse articles)))
6453 ((and (gnus-region-active-p) (mark))
6454 (message "region active")
6455 ;; Work on the region between point and mark.
6456 (let ((max (max (point) (mark)))
6457 articles article)
6458 (save-excursion
6459 (goto-char (min (point) (mark)))
6460 (while
6461 (and
6462 (push (setq article (gnus-summary-article-number)) articles)
6463 (gnus-summary-find-next nil article)
6464 (< (point) max)))
6465 (nreverse articles))))
6466 (gnus-newsgroup-processable
6467 ;; There are process-marked articles present.
6468 ;; Save current state.
6469 (gnus-summary-save-process-mark)
6470 ;; Return the list.
6471 (reverse gnus-newsgroup-processable))
6473 ;; Just return the current article.
6474 (list (gnus-summary-article-number))))))
6476 (defmacro gnus-summary-iterate (arg &rest forms)
6477 "Iterate over the process/prefixed articles and do FORMS.
6478 ARG is the interactive prefix given to the command. FORMS will be
6479 executed with point over the summary line of the articles."
6480 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6481 `(let ((,articles (gnus-summary-work-articles ,arg)))
6482 (while ,articles
6483 (gnus-summary-goto-subject (car ,articles))
6484 ,@forms
6485 (pop ,articles)))))
6487 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6488 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6490 (defun gnus-summary-save-process-mark ()
6491 "Push the current set of process marked articles on the stack."
6492 (interactive)
6493 (push (copy-sequence gnus-newsgroup-processable)
6494 gnus-newsgroup-process-stack))
6496 (defun gnus-summary-kill-process-mark ()
6497 "Push the current set of process marked articles on the stack and unmark."
6498 (interactive)
6499 (gnus-summary-save-process-mark)
6500 (gnus-summary-unmark-all-processable))
6502 (defun gnus-summary-yank-process-mark ()
6503 "Pop the last process mark state off the stack and restore it."
6504 (interactive)
6505 (unless gnus-newsgroup-process-stack
6506 (error "Empty mark stack"))
6507 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6509 (defun gnus-summary-process-mark-set (set)
6510 "Make SET into the current process marked articles."
6511 (gnus-summary-unmark-all-processable)
6512 (mapc 'gnus-summary-set-process-mark set))
6514 ;;; Searching and stuff
6516 (defun gnus-summary-search-group (&optional backward use-level)
6517 "Search for next unread newsgroup.
6518 If optional argument BACKWARD is non-nil, search backward instead."
6519 (save-excursion
6520 (set-buffer gnus-group-buffer)
6521 (when (gnus-group-search-forward
6522 backward nil (if use-level (gnus-group-group-level) nil))
6523 (gnus-group-group-name))))
6525 (defun gnus-summary-best-group (&optional exclude-group)
6526 "Find the name of the best unread group.
6527 If EXCLUDE-GROUP, do not go to this group."
6528 (with-current-buffer gnus-group-buffer
6529 (save-excursion
6530 (gnus-group-best-unread-group exclude-group))))
6532 (defun gnus-summary-find-next (&optional unread article backward)
6533 (if backward
6534 (gnus-summary-find-prev unread article)
6535 (let* ((dummy (gnus-summary-article-intangible-p))
6536 (article (or article (gnus-summary-article-number)))
6537 (data (gnus-data-find-list article))
6538 result)
6539 (when (and (not dummy)
6540 (or (not gnus-summary-check-current)
6541 (not unread)
6542 (not (gnus-data-unread-p (car data)))))
6543 (setq data (cdr data)))
6544 (when (setq result
6545 (if unread
6546 (progn
6547 (while data
6548 (unless (memq (gnus-data-number (car data))
6549 (cond
6550 ((eq gnus-auto-goto-ignores
6551 'always-undownloaded)
6552 gnus-newsgroup-undownloaded)
6553 (gnus-plugged
6554 nil)
6555 ((eq gnus-auto-goto-ignores
6556 'unfetched)
6557 gnus-newsgroup-unfetched)
6558 ((eq gnus-auto-goto-ignores
6559 'undownloaded)
6560 gnus-newsgroup-undownloaded)))
6561 (when (gnus-data-unread-p (car data))
6562 (setq result (car data)
6563 data nil)))
6564 (setq data (cdr data)))
6565 result)
6566 (car data)))
6567 (goto-char (gnus-data-pos result))
6568 (gnus-data-number result)))))
6570 (defun gnus-summary-find-prev (&optional unread article)
6571 (let* ((eobp (eobp))
6572 (article (or article (gnus-summary-article-number)))
6573 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6574 result)
6575 (when (and (not eobp)
6576 (or (not gnus-summary-check-current)
6577 (not unread)
6578 (not (gnus-data-unread-p (car data)))))
6579 (setq data (cdr data)))
6580 (when (setq result
6581 (if unread
6582 (progn
6583 (while data
6584 (unless (memq (gnus-data-number (car data))
6585 (cond
6586 ((eq gnus-auto-goto-ignores
6587 'always-undownloaded)
6588 gnus-newsgroup-undownloaded)
6589 (gnus-plugged
6590 nil)
6591 ((eq gnus-auto-goto-ignores
6592 'unfetched)
6593 gnus-newsgroup-unfetched)
6594 ((eq gnus-auto-goto-ignores
6595 'undownloaded)
6596 gnus-newsgroup-undownloaded)))
6597 (when (gnus-data-unread-p (car data))
6598 (setq result (car data)
6599 data nil)))
6600 (setq data (cdr data)))
6601 result)
6602 (car data)))
6603 (goto-char (gnus-data-pos result))
6604 (gnus-data-number result))))
6606 (defun gnus-summary-find-subject (subject &optional unread backward article)
6607 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6608 (article (or article (gnus-summary-article-number)))
6609 (articles (gnus-data-list backward))
6610 (arts (gnus-data-find-list article articles))
6611 result)
6612 (when (or (not gnus-summary-check-current)
6613 (not unread)
6614 (not (gnus-data-unread-p (car arts))))
6615 (setq arts (cdr arts)))
6616 (while arts
6617 (and (or (not unread)
6618 (gnus-data-unread-p (car arts)))
6619 (vectorp (gnus-data-header (car arts)))
6620 (gnus-subject-equal
6621 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6622 (setq result (car arts)
6623 arts nil))
6624 (setq arts (cdr arts)))
6625 (and result
6626 (goto-char (gnus-data-pos result))
6627 (gnus-data-number result))))
6629 (defun gnus-summary-search-forward (&optional unread subject backward)
6630 "Search forward for an article.
6631 If UNREAD, look for unread articles. If SUBJECT, look for
6632 articles with that subject. If BACKWARD, search backward instead."
6633 (cond (subject (gnus-summary-find-subject subject unread backward))
6634 (backward (gnus-summary-find-prev unread))
6635 (t (gnus-summary-find-next unread))))
6637 (defun gnus-recenter (&optional n)
6638 "Center point in window and redisplay frame.
6639 Also do horizontal recentering."
6640 (interactive "P")
6641 (when (and gnus-auto-center-summary
6642 (not (eq gnus-auto-center-summary 'vertical)))
6643 (gnus-horizontal-recenter))
6644 (recenter n))
6646 (defun gnus-summary-recenter ()
6647 "Center point in the summary window.
6648 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6649 displayed, no centering will be performed."
6650 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6651 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6652 (interactive)
6653 ;; The user has to want it.
6654 (when gnus-auto-center-summary
6655 (let* ((top (cond ((< (window-height) 4) 0)
6656 ((< (window-height) 7) 1)
6657 (t (if (numberp gnus-auto-center-summary)
6658 gnus-auto-center-summary
6659 (/ (1- (window-height)) 2)))))
6660 (height (1- (window-height)))
6661 (bottom (save-excursion (goto-char (point-max))
6662 (forward-line (- height))
6663 (point)))
6664 (window (get-buffer-window (current-buffer))))
6665 (when (get-buffer-window gnus-article-buffer)
6666 ;; Only do recentering when the article buffer is displayed,
6667 ;; Set the window start to either `bottom', which is the biggest
6668 ;; possible valid number, or the second line from the top,
6669 ;; whichever is the least.
6670 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6671 (if (> bottom top-pos)
6672 ;; Keep the second line from the top visible
6673 (set-window-start window top-pos)
6674 ;; Try to keep the bottom line visible; if it's partially
6675 ;; obscured, either scroll one more line to make it fully
6676 ;; visible, or revert to using TOP-POS.
6677 (save-excursion
6678 (goto-char (point-max))
6679 (forward-line -1)
6680 (let ((last-line-start (point)))
6681 (goto-char bottom)
6682 (set-window-start window (point) t)
6683 (when (not (pos-visible-in-window-p last-line-start window))
6684 (forward-line 1)
6685 (set-window-start window (min (point) top-pos) t)))))))
6686 ;; Do horizontal recentering while we're at it.
6687 (when (and (get-buffer-window (current-buffer) t)
6688 (not (eq gnus-auto-center-summary 'vertical)))
6689 (let ((selected (selected-window)))
6690 (select-window (get-buffer-window (current-buffer) t))
6691 (gnus-summary-position-point)
6692 (gnus-horizontal-recenter)
6693 (select-window selected))))))
6695 (defun gnus-summary-jump-to-group (newsgroup)
6696 "Move point to NEWSGROUP in group mode buffer."
6697 ;; Keep update point of group mode buffer if visible.
6698 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6699 (save-window-excursion
6700 ;; Take care of tree window mode.
6701 (when (get-buffer-window gnus-group-buffer)
6702 (pop-to-buffer gnus-group-buffer))
6703 (gnus-group-jump-to-group newsgroup))
6704 (save-excursion
6705 ;; Take care of tree window mode.
6706 (if (get-buffer-window gnus-group-buffer)
6707 (pop-to-buffer gnus-group-buffer)
6708 (set-buffer gnus-group-buffer))
6709 (gnus-group-jump-to-group newsgroup))))
6711 ;; This function returns a list of article numbers based on the
6712 ;; difference between the ranges of read articles in this group and
6713 ;; the range of active articles.
6714 (defun gnus-list-of-unread-articles (group)
6715 (let* ((read (gnus-info-read (gnus-get-info group)))
6716 (active (or (gnus-active group) (gnus-activate-group group)))
6717 (last (or (cdr active)
6718 (error "Group %s couldn't be activated " group)))
6719 (bottom (if gnus-newsgroup-maximum-articles
6720 (max (car active)
6721 (- last gnus-newsgroup-maximum-articles -1))
6722 (car active)))
6723 first nlast unread)
6724 ;; If none are read, then all are unread.
6725 (if (not read)
6726 (setq first bottom)
6727 ;; If the range of read articles is a single range, then the
6728 ;; first unread article is the article after the last read
6729 ;; article. Sounds logical, doesn't it?
6730 (if (and (not (listp (cdr read)))
6731 (or (< (car read) bottom)
6732 (progn (setq read (list read))
6733 nil)))
6734 (setq first (max bottom (1+ (cdr read))))
6735 ;; `read' is a list of ranges.
6736 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6737 (caar read)))
6739 (setq first bottom))
6740 (while read
6741 (when first
6742 (while (< first nlast)
6743 (setq unread (cons first unread)
6744 first (1+ first))))
6745 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6746 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6747 (setq read (cdr read)))))
6748 ;; And add the last unread articles.
6749 (while (<= first last)
6750 (setq unread (cons first unread)
6751 first (1+ first)))
6752 ;; Return the list of unread articles.
6753 (delq 0 (nreverse unread))))
6755 (defun gnus-list-of-read-articles (group)
6756 "Return a list of unread, unticked and non-dormant articles."
6757 (let* ((info (gnus-get-info group))
6758 (marked (gnus-info-marks info))
6759 (active (gnus-active group)))
6760 (and info active
6761 (gnus-list-range-difference
6762 (gnus-list-range-difference
6763 (gnus-sorted-complement
6764 (gnus-uncompress-range
6765 (if gnus-newsgroup-maximum-articles
6766 (cons (max (car active)
6767 (- (cdr active)
6768 gnus-newsgroup-maximum-articles
6769 -1))
6770 (cdr active))
6771 active))
6772 (gnus-list-of-unread-articles group))
6773 (cdr (assq 'dormant marked)))
6774 (cdr (assq 'tick marked))))))
6776 ;; This function returns a sequence of article numbers based on the
6777 ;; difference between the ranges of read articles in this group and
6778 ;; the range of active articles.
6779 (defun gnus-sequence-of-unread-articles (group)
6780 (let* ((read (gnus-info-read (gnus-get-info group)))
6781 (active (or (gnus-active group) (gnus-activate-group group)))
6782 (last (cdr active))
6783 (bottom (if gnus-newsgroup-maximum-articles
6784 (max (car active)
6785 (- last gnus-newsgroup-maximum-articles -1))
6786 (car active)))
6787 first nlast unread)
6788 ;; If none are read, then all are unread.
6789 (if (not read)
6790 (setq first bottom)
6791 ;; If the range of read articles is a single range, then the
6792 ;; first unread article is the article after the last read
6793 ;; article. Sounds logical, doesn't it?
6794 (if (and (not (listp (cdr read)))
6795 (or (< (car read) bottom)
6796 (progn (setq read (list read))
6797 nil)))
6798 (setq first (max bottom (1+ (cdr read))))
6799 ;; `read' is a list of ranges.
6800 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6801 (caar read)))
6803 (setq first bottom))
6804 (while read
6805 (when first
6806 (push (cons first nlast) unread))
6807 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6808 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6809 (setq read (cdr read)))))
6810 ;; And add the last unread articles.
6811 (cond ((not (and first last))
6812 nil)
6813 ((< first last)
6814 (push (cons first last) unread))
6815 ((= first last)
6816 (push first unread)))
6817 ;; Return the sequence of unread articles.
6818 (delq 0 (nreverse unread))))
6820 ;; Various summary commands
6822 (defun gnus-summary-select-article-buffer ()
6823 "Reconfigure windows to show article buffer."
6824 (interactive)
6825 (if (not (gnus-buffer-live-p gnus-article-buffer))
6826 (error "There is no article buffer for this summary buffer")
6827 (gnus-configure-windows 'article)
6828 (select-window (get-buffer-window gnus-article-buffer))))
6830 (defun gnus-summary-universal-argument (arg)
6831 "Perform any operation on all articles that are process/prefixed."
6832 (interactive "P")
6833 (let ((articles (gnus-summary-work-articles arg))
6834 func article)
6835 (if (eq
6836 (setq
6837 func
6838 (key-binding
6839 (read-key-sequence
6840 (substitute-command-keys
6841 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6842 'undefined)
6843 (gnus-error 1 "Undefined key")
6844 (save-excursion
6845 (while articles
6846 (gnus-summary-goto-subject (setq article (pop articles)))
6847 (let (gnus-newsgroup-processable)
6848 (command-execute func))
6849 (gnus-summary-remove-process-mark article)))))
6850 (gnus-summary-position-point))
6852 (defun gnus-summary-toggle-truncation (&optional arg)
6853 "Toggle truncation of summary lines.
6854 With ARG, turn line truncation on if ARG is positive."
6855 (interactive "P")
6856 (setq truncate-lines
6857 (if (null arg) (not truncate-lines)
6858 (> (prefix-numeric-value arg) 0)))
6859 (redraw-display))
6861 (defun gnus-summary-find-for-reselect ()
6862 "Return the number of an article to stay on across a reselect.
6863 The current article is considered, then following articles, then previous
6864 articles. An article is sought which is not cancelled and isn't a temporary
6865 insertion from another group. If there's no such then return a dummy 0."
6866 (let (found)
6867 (dolist (rev '(nil t))
6868 (unless found ; don't demand the reverse list if we don't need it
6869 (let ((data (gnus-data-find-list
6870 (gnus-summary-article-number) (gnus-data-list rev))))
6871 (while (and data (not found))
6872 (if (and (< 0 (gnus-data-number (car data)))
6873 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6874 (setq found (gnus-data-number (car data))))
6875 (setq data (cdr data))))))
6876 (or found 0)))
6878 (defun gnus-summary-reselect-current-group (&optional all rescan)
6879 "Exit and then reselect the current newsgroup.
6880 The prefix argument ALL means to select all articles."
6881 (interactive "P")
6882 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6883 (error "Ephemeral groups can't be reselected"))
6884 (let ((current-subject (gnus-summary-find-for-reselect))
6885 (group gnus-newsgroup-name))
6886 (setq gnus-newsgroup-begin nil)
6887 (gnus-summary-exit nil 'leave-hidden)
6888 ;; We have to adjust the point of group mode buffer because
6889 ;; point was moved to the next unread newsgroup by exiting.
6890 (gnus-summary-jump-to-group group)
6891 (when rescan
6892 (save-excursion
6893 (gnus-group-get-new-news-this-group 1)))
6894 (gnus-group-read-group all t)
6895 (gnus-summary-goto-subject current-subject nil t)))
6897 (defun gnus-summary-rescan-group (&optional all)
6898 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6899 (interactive "P")
6900 (gnus-summary-reselect-current-group all t))
6902 (defun gnus-summary-update-info (&optional non-destructive)
6903 (save-excursion
6904 (let ((group gnus-newsgroup-name))
6905 (when group
6906 (when gnus-newsgroup-kill-headers
6907 (setq gnus-newsgroup-killed
6908 (gnus-compress-sequence
6909 (gnus-sorted-union
6910 (gnus-list-range-intersection
6911 gnus-newsgroup-unselected gnus-newsgroup-killed)
6912 gnus-newsgroup-unreads)
6913 t)))
6914 (unless (listp (cdr gnus-newsgroup-killed))
6915 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6916 (let ((headers gnus-newsgroup-headers))
6917 ;; Set the new ranges of read articles.
6918 (with-current-buffer gnus-group-buffer
6919 (gnus-undo-force-boundary))
6920 (gnus-update-read-articles
6921 group (gnus-sorted-union
6922 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6923 ;; Set the current article marks.
6924 (let ((gnus-newsgroup-scored
6925 (if (and (not gnus-save-score)
6926 (not non-destructive))
6928 gnus-newsgroup-scored)))
6929 (save-excursion
6930 (gnus-update-marks)))
6931 ;; Do the cross-ref thing.
6932 (when gnus-use-cross-reference
6933 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6934 ;; Do not switch windows but change the buffer to work.
6935 (set-buffer gnus-group-buffer)
6936 (unless (gnus-ephemeral-group-p group)
6937 (gnus-group-update-group group)))))))
6939 (defun gnus-summary-save-newsrc (&optional force)
6940 "Save the current number of read/marked articles in the dribble buffer.
6941 The dribble buffer will then be saved.
6942 If FORCE (the prefix), also save the .newsrc file(s)."
6943 (interactive "P")
6944 (gnus-summary-update-info t)
6945 (if force
6946 (gnus-save-newsrc-file)
6947 (gnus-dribble-save)))
6949 (defun gnus-summary-exit (&optional temporary leave-hidden)
6950 "Exit reading current newsgroup, and then return to group selection mode.
6951 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6952 (interactive)
6953 (gnus-set-global-variables)
6954 (when (gnus-buffer-live-p gnus-article-buffer)
6955 (save-excursion
6956 (set-buffer gnus-article-buffer)
6957 (mm-destroy-parts gnus-article-mime-handles)
6958 ;; Set it to nil for safety reason.
6959 (setq gnus-article-mime-handle-alist nil)
6960 (setq gnus-article-mime-handles nil)))
6961 (gnus-kill-save-kill-buffer)
6962 (gnus-async-halt-prefetch)
6963 (let* ((group gnus-newsgroup-name)
6964 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6965 (gnus-group-is-exiting-p t)
6966 (mode major-mode)
6967 (group-point nil)
6968 (buf (current-buffer)))
6969 (unless quit-config
6970 ;; Do adaptive scoring, and possibly save score files.
6971 (when gnus-newsgroup-adaptive
6972 (gnus-score-adaptive))
6973 (when gnus-use-scoring
6974 (gnus-score-save)))
6975 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6976 ;; If we have several article buffers, we kill them at exit.
6977 (unless gnus-single-article-buffer
6978 (when (gnus-buffer-live-p gnus-article-buffer)
6979 (with-current-buffer gnus-article-buffer
6980 ;; Don't kill sticky article buffers
6981 (unless (eq major-mode 'gnus-sticky-article-mode)
6982 (gnus-kill-buffer gnus-article-buffer)
6983 (setq gnus-article-current nil))))
6984 (gnus-kill-buffer gnus-original-article-buffer))
6985 (when gnus-use-cache
6986 (gnus-cache-possibly-remove-articles)
6987 (gnus-cache-save-buffers))
6988 (gnus-async-prefetch-remove-group group)
6989 (when gnus-suppress-duplicates
6990 (gnus-dup-enter-articles))
6991 (when gnus-use-trees
6992 (gnus-tree-close group))
6993 (when gnus-use-cache
6994 (gnus-cache-write-active))
6995 ;; Remove entries for this group.
6996 (nnmail-purge-split-history (gnus-group-real-name group))
6997 ;; Make all changes in this group permanent.
6998 (unless quit-config
6999 (gnus-run-hooks 'gnus-exit-group-hook)
7000 (gnus-summary-update-info))
7001 (gnus-close-group group)
7002 ;; Make sure where we were, and go to next newsgroup.
7003 (set-buffer gnus-group-buffer)
7004 (unless quit-config
7005 (gnus-group-jump-to-group group))
7006 (gnus-run-hooks 'gnus-summary-exit-hook)
7007 (unless (or quit-config
7008 (not gnus-summary-next-group-on-exit)
7009 ;; If this group has disappeared from the summary
7010 ;; buffer, don't skip forwards.
7011 (not (string= group (gnus-group-group-name))))
7012 (gnus-group-next-unread-group 1))
7013 (setq group-point (point))
7014 (if temporary
7015 nil ;Nothing to do.
7016 (set-buffer buf)
7017 (if (not gnus-kill-summary-on-exit)
7018 (progn
7019 (gnus-deaden-summary)
7020 (setq mode nil))
7021 ;; We set all buffer-local variables to nil. It is unclear why
7022 ;; this is needed, but if we don't, buffer-local variables are
7023 ;; not garbage-collected, it seems. This would the lead to en
7024 ;; ever-growing Emacs.
7025 (gnus-summary-clear-local-variables)
7026 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7027 (gnus-summary-clear-local-variables))
7028 (when (get-buffer gnus-article-buffer)
7029 (bury-buffer gnus-article-buffer))
7030 ;; Return to group mode buffer.
7031 (when (eq mode 'gnus-summary-mode)
7032 (gnus-kill-buffer buf)))
7033 (setq gnus-current-select-method gnus-select-method)
7034 (set-buffer gnus-group-buffer)
7035 (if quit-config
7036 (gnus-handle-ephemeral-exit quit-config)
7037 (goto-char group-point)
7038 ;; If gnus-group-buffer is already displayed, make sure we also move
7039 ;; the cursor in the window that displays it.
7040 (let ((win (get-buffer-window (current-buffer) 0)))
7041 (if win (set-window-point win (point))))
7042 (unless leave-hidden
7043 (gnus-configure-windows 'group 'force)))
7044 ;; Clear the current group name.
7045 (unless quit-config
7046 (setq gnus-newsgroup-name nil)))))
7048 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7049 (defun gnus-summary-exit-no-update (&optional no-questions)
7050 "Quit reading current newsgroup without updating read article info."
7051 (interactive)
7052 (let* ((group gnus-newsgroup-name)
7053 (gnus-group-is-exiting-p t)
7054 (gnus-group-is-exiting-without-update-p t)
7055 (quit-config (gnus-group-quit-config group)))
7056 (when (or no-questions
7057 gnus-expert-user
7058 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7059 (gnus-async-halt-prefetch)
7060 (run-hooks 'gnus-summary-prepare-exit-hook)
7061 (when (gnus-buffer-live-p gnus-article-buffer)
7062 (save-excursion
7063 (set-buffer gnus-article-buffer)
7064 (mm-destroy-parts gnus-article-mime-handles)
7065 ;; Set it to nil for safety reason.
7066 (setq gnus-article-mime-handle-alist nil)
7067 (setq gnus-article-mime-handles nil)))
7068 ;; If we have several article buffers, we kill them at exit.
7069 (unless gnus-single-article-buffer
7070 (gnus-kill-buffer gnus-article-buffer)
7071 (gnus-kill-buffer gnus-original-article-buffer)
7072 (setq gnus-article-current nil))
7073 (if (not gnus-kill-summary-on-exit)
7074 (gnus-deaden-summary)
7075 (gnus-close-group group)
7076 (gnus-summary-clear-local-variables)
7077 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7078 (gnus-summary-clear-local-variables))
7079 (gnus-kill-buffer gnus-summary-buffer))
7080 (unless gnus-single-article-buffer
7081 (setq gnus-article-current nil))
7082 (when gnus-use-trees
7083 (gnus-tree-close group))
7084 (gnus-async-prefetch-remove-group group)
7085 (when (get-buffer gnus-article-buffer)
7086 (bury-buffer gnus-article-buffer))
7087 ;; Return to the group buffer.
7088 (gnus-configure-windows 'group 'force)
7089 ;; Clear the current group name.
7090 (setq gnus-newsgroup-name nil)
7091 (unless (gnus-ephemeral-group-p group)
7092 (gnus-group-update-group group))
7093 (when (equal (gnus-group-group-name) group)
7094 (gnus-group-next-unread-group 1))
7095 (when quit-config
7096 (gnus-handle-ephemeral-exit quit-config)))))
7098 (defun gnus-handle-ephemeral-exit (quit-config)
7099 "Handle movement when leaving an ephemeral group.
7100 The state which existed when entering the ephemeral is reset."
7101 (if (not (buffer-name (car quit-config)))
7102 (gnus-configure-windows 'group 'force)
7103 (set-buffer (car quit-config))
7104 (cond ((eq major-mode 'gnus-summary-mode)
7105 (gnus-set-global-variables))
7106 ((eq major-mode 'gnus-article-mode)
7107 (save-excursion
7108 ;; The `gnus-summary-buffer' variable may point
7109 ;; to the old summary buffer when using a single
7110 ;; article buffer.
7111 (unless (gnus-buffer-live-p gnus-summary-buffer)
7112 (set-buffer gnus-group-buffer))
7113 (set-buffer gnus-summary-buffer)
7114 (gnus-set-global-variables))))
7115 (if (or (eq (cdr quit-config) 'article)
7116 (eq (cdr quit-config) 'pick))
7117 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7118 (gnus-configure-windows 'pick 'force)
7119 (gnus-configure-windows (cdr quit-config) 'force))
7120 (gnus-configure-windows (cdr quit-config) 'force))
7121 (when (eq major-mode 'gnus-summary-mode)
7122 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7123 next-unread-noselect))
7124 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7125 'next-noselect)
7126 (gnus-summary-next-subject 1 nil t))
7127 ((eq gnus-auto-select-on-ephemeral-exit
7128 'next-unread-noselect)
7129 (gnus-summary-next-subject 1 t t))))
7130 ;; Hide the article buffer which displays the article different
7131 ;; from the one that the cursor points to in the summary buffer.
7132 (gnus-configure-windows 'summary 'force))
7133 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7134 (gnus-summary-next-subject 1))
7135 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7136 (gnus-summary-next-subject 1 t))))
7137 (gnus-summary-recenter)
7138 (gnus-summary-position-point))))
7140 ;;; Dead summaries.
7142 (defvar gnus-dead-summary-mode-map nil)
7144 (unless gnus-dead-summary-mode-map
7145 (setq gnus-dead-summary-mode-map (make-keymap))
7146 (suppress-keymap gnus-dead-summary-mode-map)
7147 (substitute-key-definition
7148 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
7149 (dolist (key '("\C-d" "\r" "\177" [delete]))
7150 (define-key gnus-dead-summary-mode-map
7151 key 'gnus-summary-wake-up-the-dead))
7152 (dolist (key '("q" "Q"))
7153 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
7155 (defvar gnus-dead-summary-mode nil
7156 "Minor mode for Gnus summary buffers.")
7158 (defun gnus-dead-summary-mode (&optional arg)
7159 "Minor mode for Gnus summary buffers."
7160 (interactive "P")
7161 (when (eq major-mode 'gnus-summary-mode)
7162 (make-local-variable 'gnus-dead-summary-mode)
7163 (setq gnus-dead-summary-mode
7164 (if (null arg) (not gnus-dead-summary-mode)
7165 (> (prefix-numeric-value arg) 0)))
7166 (when gnus-dead-summary-mode
7167 (add-minor-mode
7168 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
7170 (defun gnus-deaden-summary ()
7171 "Make the current summary buffer into a dead summary buffer."
7172 ;; Kill any previous dead summary buffer.
7173 (when (and gnus-dead-summary
7174 (buffer-name gnus-dead-summary))
7175 (with-current-buffer gnus-dead-summary
7176 (when gnus-dead-summary-mode
7177 (kill-buffer (current-buffer)))))
7178 ;; Make this the current dead summary.
7179 (setq gnus-dead-summary (current-buffer))
7180 (gnus-dead-summary-mode 1)
7181 (let ((name (buffer-name)))
7182 (when (string-match "Summary" name)
7183 (rename-buffer
7184 (concat (substring name 0 (match-beginning 0)) "Dead "
7185 (substring name (match-beginning 0)))
7187 (bury-buffer))))
7189 (defun gnus-kill-or-deaden-summary (buffer)
7190 "Kill or deaden the summary BUFFER."
7191 (save-excursion
7192 (when (and (buffer-name buffer)
7193 (not gnus-single-article-buffer))
7194 (with-current-buffer buffer
7195 (gnus-kill-buffer gnus-article-buffer)
7196 (gnus-kill-buffer gnus-original-article-buffer)))
7197 (cond
7198 ;; Kill the buffer.
7199 (gnus-kill-summary-on-exit
7200 (when (and gnus-use-trees
7201 (gnus-buffer-exists-p buffer))
7202 (save-excursion
7203 (set-buffer buffer)
7204 (gnus-tree-close gnus-newsgroup-name)))
7205 (gnus-kill-buffer buffer))
7206 ;; Deaden the buffer.
7207 ((gnus-buffer-exists-p buffer)
7208 (save-excursion
7209 (set-buffer buffer)
7210 (gnus-deaden-summary))))))
7212 (defun gnus-summary-wake-up-the-dead (&rest args)
7213 "Wake up the dead summary buffer."
7214 (interactive)
7215 (gnus-dead-summary-mode -1)
7216 (let ((name (buffer-name)))
7217 (when (string-match "Dead " name)
7218 (rename-buffer
7219 (concat (substring name 0 (match-beginning 0))
7220 (substring name (match-end 0)))
7221 t)))
7222 (gnus-message 3 "This dead summary is now alive again"))
7224 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7225 (defun gnus-summary-fetch-faq (&optional faq-dir)
7226 "Fetch the FAQ for the current group.
7227 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7228 in."
7229 (interactive
7230 (list
7231 (when current-prefix-arg
7232 (completing-read
7233 "FAQ dir: " (and (listp gnus-group-faq-directory)
7234 (mapcar 'list
7235 gnus-group-faq-directory))))))
7236 (let (gnus-faq-buffer)
7237 (when (setq gnus-faq-buffer
7238 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7239 (gnus-configure-windows 'summary-faq))))
7241 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7242 (defun gnus-summary-describe-group (&optional force)
7243 "Describe the current newsgroup."
7244 (interactive "P")
7245 (gnus-group-describe-group force gnus-newsgroup-name))
7247 (defun gnus-summary-describe-briefly ()
7248 "Describe summary mode commands briefly."
7249 (interactive)
7250 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
7252 ;; Walking around group mode buffer from summary mode.
7254 (defun gnus-summary-next-group (&optional no-article target-group backward)
7255 "Exit current newsgroup and then select next unread newsgroup.
7256 If prefix argument NO-ARTICLE is non-nil, no article is selected
7257 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7258 previous group instead."
7259 (interactive "P")
7260 ;; Stop pre-fetching.
7261 (gnus-async-halt-prefetch)
7262 (let ((current-group gnus-newsgroup-name)
7263 (current-buffer (current-buffer))
7264 entered)
7265 ;; First we semi-exit this group to update Xrefs and all variables.
7266 ;; We can't do a real exit, because the window conf must remain
7267 ;; the same in case the user is prompted for info, and we don't
7268 ;; want the window conf to change before that...
7269 (gnus-summary-exit t)
7270 (while (not entered)
7271 ;; Then we find what group we are supposed to enter.
7272 (set-buffer gnus-group-buffer)
7273 (gnus-group-jump-to-group current-group)
7274 (setq target-group
7275 (or target-group
7276 (if (eq gnus-keep-same-level 'best)
7277 (gnus-summary-best-group gnus-newsgroup-name)
7278 (gnus-summary-search-group backward gnus-keep-same-level))))
7279 (if (not target-group)
7280 ;; There are no further groups, so we return to the group
7281 ;; buffer.
7282 (progn
7283 (gnus-message 5 "Returning to the group buffer")
7284 (setq entered t)
7285 (when (gnus-buffer-live-p current-buffer)
7286 (set-buffer current-buffer)
7287 (gnus-summary-exit))
7288 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7289 ;; We try to enter the target group.
7290 (gnus-group-jump-to-group target-group)
7291 (let ((unreads (gnus-group-group-unread)))
7292 (if (and (or (eq t unreads)
7293 (and unreads (not (zerop unreads))))
7294 (gnus-summary-read-group
7295 target-group nil no-article
7296 (and (buffer-name current-buffer) current-buffer)
7297 nil backward))
7298 (setq entered t)
7299 (setq current-group target-group
7300 target-group nil)))))))
7302 (defun gnus-summary-prev-group (&optional no-article)
7303 "Exit current newsgroup and then select previous unread newsgroup.
7304 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7305 (interactive "P")
7306 (gnus-summary-next-group no-article nil t))
7308 ;; Walking around summary lines.
7310 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7311 "Go to the first subject satisfying any non-nil constraint.
7312 If UNREAD is non-nil, the article should be unread.
7313 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7314 If UNSEEN is non-nil, the article should be unseen.
7315 Returns the article selected or nil if there are no matching articles."
7316 (interactive "P")
7317 (cond
7318 ;; Empty summary.
7319 ((null gnus-newsgroup-data)
7320 (gnus-message 3 "No articles in the group")
7321 nil)
7322 ;; Pick the first article.
7323 ((not (or unread undownloaded unseen))
7324 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7325 (gnus-data-number (car gnus-newsgroup-data)))
7326 ;; Find the first unread article.
7328 (let ((data gnus-newsgroup-data))
7329 (while (and data
7330 (let ((num (gnus-data-number (car data))))
7331 (or (memq num gnus-newsgroup-unfetched)
7332 (not (or (and unread
7333 (memq num gnus-newsgroup-unreads))
7334 (and undownloaded
7335 (memq num gnus-newsgroup-undownloaded))
7336 (and unseen
7337 (memq num gnus-newsgroup-unseen)))))))
7338 (setq data (cdr data)))
7339 (prog1
7340 (if data
7341 (progn
7342 (goto-char (gnus-data-pos (car data)))
7343 (gnus-data-number (car data)))
7344 (gnus-message 3 "No more%s articles"
7345 (let* ((r (when unread " unread"))
7346 (d (when undownloaded " undownloaded"))
7347 (s (when unseen " unseen"))
7348 (l (delq nil (list r d s))))
7349 (cond ((= 3 (length l))
7350 (concat r "," d ", or" s))
7351 ((= 2 (length l))
7352 (concat (car l) ", or" (cadr l)))
7353 ((= 1 (length l))
7354 (car l))
7356 ""))))
7359 (gnus-summary-position-point))))))
7361 (defun gnus-summary-next-subject (n &optional unread dont-display)
7362 "Go to next N'th summary line.
7363 If N is negative, go to the previous N'th subject line.
7364 If UNREAD is non-nil, only unread articles are selected.
7365 The difference between N and the actual number of steps taken is
7366 returned."
7367 (interactive "p")
7368 (let ((backward (< n 0))
7369 (n (abs n)))
7370 (while (and (> n 0)
7371 (if backward
7372 (gnus-summary-find-prev unread)
7373 (gnus-summary-find-next unread)))
7374 (unless (zerop (setq n (1- n)))
7375 (gnus-summary-show-thread)))
7376 (when (/= 0 n)
7377 (gnus-message 7 "No more%s articles"
7378 (if unread " unread" "")))
7379 (unless dont-display
7380 (gnus-summary-recenter)
7381 (gnus-summary-position-point))
7384 (defun gnus-summary-next-unread-subject (n)
7385 "Go to next N'th unread summary line."
7386 (interactive "p")
7387 (gnus-summary-next-subject n t))
7389 (defun gnus-summary-prev-subject (n &optional unread)
7390 "Go to previous N'th summary line.
7391 If optional argument UNREAD is non-nil, only unread article is selected."
7392 (interactive "p")
7393 (gnus-summary-next-subject (- n) unread))
7395 (defun gnus-summary-prev-unread-subject (n)
7396 "Go to previous N'th unread summary line."
7397 (interactive "p")
7398 (gnus-summary-next-subject (- n) t))
7400 (defun gnus-summary-goto-subjects (articles)
7401 "Insert the subject header for ARTICLES in the current buffer."
7402 (save-excursion
7403 (dolist (article articles)
7404 (gnus-summary-goto-subject article t)))
7405 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7406 (gnus-summary-position-point))
7408 (defun gnus-summary-goto-subject (article &optional force silent)
7409 "Go the subject line of ARTICLE.
7410 If FORCE, also allow jumping to articles not currently shown."
7411 (interactive "nArticle number: ")
7412 (unless (numberp article)
7413 (error "Article %s is not a number" article))
7414 (let ((b (point))
7415 (data (gnus-data-find article)))
7416 ;; We read in the article if we have to.
7417 (and (not data)
7418 force
7419 (gnus-summary-insert-subject
7420 article
7421 (if (or (numberp force) (vectorp force)) force)
7423 (setq data (gnus-data-find article)))
7424 (goto-char b)
7425 (if (not data)
7426 (progn
7427 (unless silent
7428 (gnus-message 3 "Can't find article %d" article))
7429 nil)
7430 (let ((pt (gnus-data-pos data)))
7431 (goto-char pt)
7432 (gnus-summary-set-article-display-arrow pt))
7433 (gnus-summary-position-point)
7434 article)))
7436 ;; Walking around summary lines with displaying articles.
7438 (defun gnus-summary-expand-window (&optional arg)
7439 "Make the summary buffer take up the entire Emacs frame.
7440 Given a prefix, will force an `article' buffer configuration."
7441 (interactive "P")
7442 (if arg
7443 (gnus-configure-windows 'article 'force)
7444 (gnus-configure-windows 'summary 'force)))
7446 (defun gnus-summary-display-article (article &optional all-header)
7447 "Display ARTICLE in article buffer."
7448 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7449 (with-current-buffer gnus-article-buffer
7450 (eq major-mode 'gnus-article-mode)))
7451 (gnus-article-setup-buffer))
7452 (gnus-set-global-variables)
7453 (with-current-buffer gnus-article-buffer
7454 (setq gnus-article-charset gnus-newsgroup-charset)
7455 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7456 (mm-enable-multibyte))
7457 (if (null article)
7459 (prog1
7460 (if gnus-summary-display-article-function
7461 (funcall gnus-summary-display-article-function article all-header)
7462 (gnus-article-prepare article all-header))
7463 (gnus-run-hooks 'gnus-select-article-hook)
7464 (when (and gnus-current-article
7465 (not (zerop gnus-current-article)))
7466 (gnus-summary-goto-subject gnus-current-article))
7467 (gnus-summary-recenter)
7468 (when (and gnus-use-trees gnus-show-threads)
7469 (gnus-possibly-generate-tree article)
7470 (gnus-highlight-selected-tree article))
7471 ;; Successfully display article.
7472 (gnus-article-set-window-start
7473 (cdr (assq article gnus-newsgroup-bookmarks))))))
7475 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7476 "Select the current article.
7477 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7478 non-nil, the article will be re-fetched even if it already present in
7479 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7480 be displayed."
7481 ;; Make sure we are in the summary buffer to work around bbdb bug.
7482 (unless (eq major-mode 'gnus-summary-mode)
7483 (set-buffer gnus-summary-buffer))
7484 (let ((article (or article (gnus-summary-article-number)))
7485 (all-headers (not (not all-headers))) ;Must be t or nil.
7486 gnus-summary-display-article-function)
7487 (and (not pseudo)
7488 (gnus-summary-article-pseudo-p article)
7489 (error "This is a pseudo-article"))
7490 (save-excursion
7491 (set-buffer gnus-summary-buffer)
7492 (if (or (and gnus-single-article-buffer
7493 (or (null gnus-current-article)
7494 (null gnus-article-current)
7495 (null (get-buffer gnus-article-buffer))
7496 (not (eq article (cdr gnus-article-current)))
7497 (not (equal (car gnus-article-current)
7498 gnus-newsgroup-name))))
7499 (and (not gnus-single-article-buffer)
7500 (or (null gnus-current-article)
7501 (not (eq gnus-current-article article))))
7502 force)
7503 ;; The requested article is different from the current article.
7504 (progn
7505 (gnus-summary-display-article article all-headers)
7506 (when (gnus-buffer-live-p gnus-article-buffer)
7507 (with-current-buffer gnus-article-buffer
7508 (if (not gnus-article-decoded-p) ;; a local variable
7509 (mm-disable-multibyte))))
7510 (gnus-article-set-window-start
7511 (cdr (assq article gnus-newsgroup-bookmarks)))
7512 article)
7513 'old))))
7515 (defun gnus-summary-force-verify-and-decrypt ()
7516 "Display buttons for signed/encrypted parts and verify/decrypt them."
7517 (interactive)
7518 (let ((mm-verify-option 'known)
7519 (mm-decrypt-option 'known)
7520 (gnus-article-emulate-mime t)
7521 (gnus-buttonized-mime-types (append (list "multipart/signed"
7522 "multipart/encrypted")
7523 gnus-buttonized-mime-types)))
7524 (gnus-summary-select-article nil 'force)))
7526 (defun gnus-summary-set-current-mark (&optional current-mark)
7527 "Obsolete function."
7528 nil)
7530 (defun gnus-summary-next-article (&optional unread subject backward push)
7531 "Select the next article.
7532 If UNREAD, only unread articles are selected.
7533 If SUBJECT, only articles with SUBJECT are selected.
7534 If BACKWARD, the previous article is selected instead of the next."
7535 (interactive "P")
7536 ;; Make sure we are in the summary buffer.
7537 (unless (eq major-mode 'gnus-summary-mode)
7538 (set-buffer gnus-summary-buffer))
7539 (cond
7540 ;; Is there such an article?
7541 ((and (gnus-summary-search-forward unread subject backward)
7542 (or (gnus-summary-display-article (gnus-summary-article-number))
7543 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7544 (gnus-summary-position-point))
7545 ;; If not, we try the first unread, if that is wanted.
7546 ((and subject
7547 gnus-auto-select-same
7548 (gnus-summary-first-unread-article))
7549 (gnus-summary-position-point)
7550 (gnus-message 6 "Wrapped"))
7551 ;; Try to get next/previous article not displayed in this group.
7552 ((and gnus-auto-extend-newsgroup
7553 (not unread) (not subject))
7554 (gnus-summary-goto-article
7555 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7556 nil (count-lines (point-min) (point))))
7557 ;; Go to next/previous group.
7559 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7560 (gnus-summary-jump-to-group gnus-newsgroup-name))
7561 (let ((cmd last-command-char)
7562 (point
7563 (with-current-buffer gnus-group-buffer
7564 (point)))
7565 (group
7566 (if (eq gnus-keep-same-level 'best)
7567 (gnus-summary-best-group gnus-newsgroup-name)
7568 (gnus-summary-search-group backward gnus-keep-same-level))))
7569 ;; For some reason, the group window gets selected. We change
7570 ;; it back.
7571 (select-window (get-buffer-window (current-buffer)))
7572 ;; Select next unread newsgroup automagically.
7573 (cond
7574 ((or (not gnus-auto-select-next)
7575 (not cmd))
7576 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7577 ((or (eq gnus-auto-select-next 'quietly)
7578 (and (eq gnus-auto-select-next 'slightly-quietly)
7579 push)
7580 (and (eq gnus-auto-select-next 'almost-quietly)
7581 (gnus-summary-last-article-p)))
7582 ;; Select quietly.
7583 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7584 (gnus-summary-exit)
7585 (gnus-message 7 "No more%s articles (%s)..."
7586 (if unread " unread" "")
7587 (if group (concat "selecting " group)
7588 "exiting"))
7589 (gnus-summary-next-group nil group backward)))
7591 (when (gnus-key-press-event-p last-input-event)
7592 (gnus-summary-walk-group-buffer
7593 gnus-newsgroup-name cmd unread backward point))))))))
7595 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7596 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7597 (?\C-p (gnus-group-prev-unread-group 1))))
7598 (cursor-in-echo-area t)
7599 keve key group ended prompt)
7600 (save-excursion
7601 (set-buffer gnus-group-buffer)
7602 (goto-char start)
7603 (setq group
7604 (if (eq gnus-keep-same-level 'best)
7605 (gnus-summary-best-group gnus-newsgroup-name)
7606 (gnus-summary-search-group backward gnus-keep-same-level))))
7607 (while (not ended)
7608 (setq prompt
7609 (format
7610 "No more%s articles%s " (if unread " unread" "")
7611 (if (and group
7612 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7613 (format " (Type %s for %s [%s])"
7614 (single-key-description cmd)
7615 (gnus-group-decoded-name group)
7616 (gnus-group-unread group))
7617 (format " (Type %s to exit %s)"
7618 (single-key-description cmd)
7619 (gnus-group-decoded-name gnus-newsgroup-name)))))
7620 ;; Confirm auto selection.
7621 (setq key (car (setq keve (gnus-read-event-char prompt)))
7622 ended t)
7623 (cond
7624 ((assq key keystrokes)
7625 (let ((obuf (current-buffer)))
7626 (switch-to-buffer gnus-group-buffer)
7627 (when group
7628 (gnus-group-jump-to-group group))
7629 (eval (cadr (assq key keystrokes)))
7630 (setq group (gnus-group-group-name))
7631 (switch-to-buffer obuf))
7632 (setq ended nil))
7633 ((equal key cmd)
7634 (if (or (not group)
7635 (gnus-ephemeral-group-p gnus-newsgroup-name))
7636 (gnus-summary-exit)
7637 (gnus-summary-next-group nil group backward)))
7639 (push (cdr keve) unread-command-events))))))
7641 (defun gnus-summary-next-unread-article ()
7642 "Select unread article after current one."
7643 (interactive)
7644 (gnus-summary-next-article
7645 (or (not (eq gnus-summary-goto-unread 'never))
7646 (gnus-summary-last-article-p (gnus-summary-article-number)))
7647 (and gnus-auto-select-same
7648 (gnus-summary-article-subject))))
7650 (defun gnus-summary-prev-article (&optional unread subject)
7651 "Select the article after the current one.
7652 If UNREAD is non-nil, only unread articles are selected."
7653 (interactive "P")
7654 (gnus-summary-next-article unread subject t))
7656 (defun gnus-summary-prev-unread-article ()
7657 "Select unread article before current one."
7658 (interactive)
7659 (gnus-summary-prev-article
7660 (or (not (eq gnus-summary-goto-unread 'never))
7661 (gnus-summary-first-article-p (gnus-summary-article-number)))
7662 (and gnus-auto-select-same
7663 (gnus-summary-article-subject))))
7665 (defun gnus-summary-next-page (&optional lines circular stop)
7666 "Show next page of the selected article.
7667 If at the end of the current article, select the next article.
7668 LINES says how many lines should be scrolled up.
7670 If CIRCULAR is non-nil, go to the start of the article instead of
7671 selecting the next article when reaching the end of the current
7672 article.
7674 If STOP is non-nil, just stop when reaching the end of the message.
7676 Also see the variable `gnus-article-skip-boring'."
7677 (interactive "P")
7678 (setq gnus-summary-buffer (current-buffer))
7679 (gnus-set-global-variables)
7680 (let ((article (gnus-summary-article-number))
7681 (article-window (get-buffer-window gnus-article-buffer t))
7682 endp)
7683 ;; If the buffer is empty, we have no article.
7684 (unless article
7685 (error "No article to select"))
7686 (gnus-configure-windows 'article)
7687 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7688 (if (and (eq gnus-summary-goto-unread 'never)
7689 (not (gnus-summary-last-article-p article)))
7690 (gnus-summary-next-article)
7691 (gnus-summary-next-unread-article))
7692 (if (or (null gnus-current-article)
7693 (null gnus-article-current)
7694 (/= article (cdr gnus-article-current))
7695 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7696 ;; Selected subject is different from current article's.
7697 (gnus-summary-display-article article)
7698 (when article-window
7699 (gnus-eval-in-buffer-window gnus-article-buffer
7700 (setq endp (or (gnus-article-next-page lines)
7701 (gnus-article-only-boring-p))))
7702 (when endp
7703 (cond (stop
7704 (gnus-message 3 "End of message"))
7705 (circular
7706 (gnus-summary-beginning-of-article))
7707 (lines
7708 (gnus-message 3 "End of message"))
7709 ((null lines)
7710 (if (and (eq gnus-summary-goto-unread 'never)
7711 (not (gnus-summary-last-article-p article)))
7712 (gnus-summary-next-article)
7713 (gnus-summary-next-unread-article))))))))
7714 (gnus-summary-recenter)
7715 (gnus-summary-position-point)))
7717 (defun gnus-summary-prev-page (&optional lines move)
7718 "Show previous page of selected article.
7719 Argument LINES specifies lines to be scrolled down.
7720 If MOVE, move to the previous unread article if point is at
7721 the beginning of the buffer."
7722 (interactive "P")
7723 (let ((article (gnus-summary-article-number))
7724 (article-window (get-buffer-window gnus-article-buffer t))
7725 endp)
7726 (gnus-configure-windows 'article)
7727 (if (or (null gnus-current-article)
7728 (null gnus-article-current)
7729 (/= article (cdr gnus-article-current))
7730 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7731 ;; Selected subject is different from current article's.
7732 (gnus-summary-display-article article)
7733 (gnus-summary-recenter)
7734 (when article-window
7735 (gnus-eval-in-buffer-window gnus-article-buffer
7736 (setq endp (gnus-article-prev-page lines)))
7737 (when (and move endp)
7738 (cond (lines
7739 (gnus-message 3 "Beginning of message"))
7740 ((null lines)
7741 (if (and (eq gnus-summary-goto-unread 'never)
7742 (not (gnus-summary-first-article-p article)))
7743 (gnus-summary-prev-article)
7744 (gnus-summary-prev-unread-article))))))))
7745 (gnus-summary-position-point))
7747 (defun gnus-summary-prev-page-or-article (&optional lines)
7748 "Show previous page of selected article.
7749 Argument LINES specifies lines to be scrolled down.
7750 If at the beginning of the article, go to the next article."
7751 (interactive "P")
7752 (gnus-summary-prev-page lines t))
7754 (defun gnus-summary-scroll-up (lines)
7755 "Scroll up (or down) one line current article.
7756 Argument LINES specifies lines to be scrolled up (or down if negative)."
7757 (interactive "p")
7758 (gnus-configure-windows 'article)
7759 (gnus-summary-show-thread)
7760 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7761 (gnus-eval-in-buffer-window gnus-article-buffer
7762 (cond ((> lines 0)
7763 (when (gnus-article-next-page lines)
7764 (gnus-message 3 "End of message")))
7765 ((< lines 0)
7766 (gnus-article-prev-page (- lines))))))
7767 (gnus-summary-recenter)
7768 (gnus-summary-position-point))
7770 (defun gnus-summary-scroll-down (lines)
7771 "Scroll down (or up) one line current article.
7772 Argument LINES specifies lines to be scrolled down (or up if negative)."
7773 (interactive "p")
7774 (gnus-summary-scroll-up (- lines)))
7776 (defun gnus-summary-next-same-subject ()
7777 "Select next article which has the same subject as current one."
7778 (interactive)
7779 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7781 (defun gnus-summary-prev-same-subject ()
7782 "Select previous article which has the same subject as current one."
7783 (interactive)
7784 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7786 (defun gnus-summary-next-unread-same-subject ()
7787 "Select next unread article which has the same subject as current one."
7788 (interactive)
7789 (gnus-summary-next-article t (gnus-summary-article-subject)))
7791 (defun gnus-summary-prev-unread-same-subject ()
7792 "Select previous unread article which has the same subject as current one."
7793 (interactive)
7794 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7796 (defun gnus-summary-first-unread-article ()
7797 "Select the first unread article.
7798 Return nil if there are no unread articles."
7799 (interactive)
7800 (prog1
7801 (when (gnus-summary-first-subject t)
7802 (gnus-summary-show-thread)
7803 (gnus-summary-first-subject t)
7804 (gnus-summary-display-article (gnus-summary-article-number)))
7805 (gnus-summary-position-point)))
7807 (defun gnus-summary-first-unread-subject ()
7808 "Place the point on the subject line of the first unread article.
7809 Return nil if there are no unread articles."
7810 (interactive)
7811 (prog1
7812 (when (gnus-summary-first-subject t)
7813 (gnus-summary-show-thread)
7814 (gnus-summary-first-subject t))
7815 (gnus-summary-position-point)))
7817 (defun gnus-summary-first-unseen-subject ()
7818 "Place the point on the subject line of the first unseen article.
7819 Return nil if there are no unseen articles."
7820 (interactive)
7821 (prog1
7822 (when (gnus-summary-first-subject nil nil t)
7823 (gnus-summary-show-thread)
7824 (gnus-summary-first-subject nil nil t))
7825 (gnus-summary-position-point)))
7827 (defun gnus-summary-first-unseen-or-unread-subject ()
7828 "Place the point on the subject line of the first unseen article or,
7829 if all article have been seen, on the subject line of the first unread
7830 article."
7831 (interactive)
7832 (prog1
7833 (unless (when (gnus-summary-first-subject nil nil t)
7834 (gnus-summary-show-thread)
7835 (gnus-summary-first-subject nil nil t))
7836 (when (gnus-summary-first-subject t)
7837 (gnus-summary-show-thread)
7838 (gnus-summary-first-subject t)))
7839 (gnus-summary-position-point)))
7841 (defun gnus-summary-first-article ()
7842 "Select the first article.
7843 Return nil if there are no articles."
7844 (interactive)
7845 (prog1
7846 (when (gnus-summary-first-subject)
7847 (gnus-summary-show-thread)
7848 (gnus-summary-first-subject)
7849 (gnus-summary-display-article (gnus-summary-article-number)))
7850 (gnus-summary-position-point)))
7852 (defun gnus-summary-best-unread-article (&optional arg)
7853 "Select the unread article with the highest score.
7854 If given a prefix argument, select the next unread article that has a
7855 score higher than the default score."
7856 (interactive "P")
7857 (let ((article (if arg
7858 (gnus-summary-better-unread-subject)
7859 (gnus-summary-best-unread-subject))))
7860 (if article
7861 (gnus-summary-goto-article article)
7862 (error "No unread articles"))))
7864 (defun gnus-summary-best-unread-subject ()
7865 "Select the unread subject with the highest score."
7866 (interactive)
7867 (let ((best -1000000)
7868 (data gnus-newsgroup-data)
7869 article score)
7870 (while data
7871 (and (gnus-data-unread-p (car data))
7872 (> (setq score
7873 (gnus-summary-article-score (gnus-data-number (car data))))
7874 best)
7875 (setq best score
7876 article (gnus-data-number (car data))))
7877 (setq data (cdr data)))
7878 (when article
7879 (gnus-summary-goto-subject article))
7880 (gnus-summary-position-point)
7881 article))
7883 (defun gnus-summary-better-unread-subject ()
7884 "Select the first unread subject that has a score over the default score."
7885 (interactive)
7886 (let ((data gnus-newsgroup-data)
7887 article score)
7888 (while (and (setq article (gnus-data-number (car data)))
7889 (or (gnus-data-read-p (car data))
7890 (not (> (gnus-summary-article-score article)
7891 gnus-summary-default-score))))
7892 (setq data (cdr data)))
7893 (when article
7894 (gnus-summary-goto-subject article))
7895 (gnus-summary-position-point)
7896 article))
7898 (defun gnus-summary-last-subject ()
7899 "Go to the last displayed subject line in the group."
7900 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7901 (when article
7902 (gnus-summary-goto-subject article))))
7904 (defun gnus-summary-goto-article (article &optional all-headers force)
7905 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7906 If ALL-HEADERS is non-nil, no header lines are hidden.
7907 If FORCE, go to the article even if it isn't displayed. If FORCE
7908 is a number, it is the line the article is to be displayed on."
7909 (interactive
7910 (list
7911 (completing-read
7912 "Article number or Message-ID: "
7913 (mapcar (lambda (number) (list (int-to-string number)))
7914 gnus-newsgroup-limit))
7915 current-prefix-arg
7917 (prog1
7918 (if (and (stringp article)
7919 (string-match "@\\|%40" article))
7920 (gnus-summary-refer-article article)
7921 (when (stringp article)
7922 (setq article (string-to-number article)))
7923 (if (gnus-summary-goto-subject article force)
7924 (gnus-summary-display-article article all-headers)
7925 (gnus-message 4 "Couldn't go to article %s" article) nil))
7926 (gnus-summary-position-point)))
7928 (defun gnus-summary-goto-last-article ()
7929 "Go to the previously read article."
7930 (interactive)
7931 (prog1
7932 (when gnus-last-article
7933 (gnus-summary-goto-article gnus-last-article nil t))
7934 (gnus-summary-position-point)))
7936 (defun gnus-summary-pop-article (number)
7937 "Pop one article off the history and go to the previous.
7938 NUMBER articles will be popped off."
7939 (interactive "p")
7940 (let (to)
7941 (setq gnus-newsgroup-history
7942 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7943 (if to
7944 (gnus-summary-goto-article (car to) nil t)
7945 (error "Article history empty")))
7946 (gnus-summary-position-point))
7948 ;; Summary commands and functions for limiting the summary buffer.
7950 (defun gnus-summary-limit-to-articles (n)
7951 "Limit the summary buffer to the next N articles.
7952 If not given a prefix, use the process marked articles instead."
7953 (interactive "P")
7954 (prog1
7955 (let ((articles (gnus-summary-work-articles n)))
7956 (setq gnus-newsgroup-processable nil)
7957 (gnus-summary-limit articles))
7958 (gnus-summary-position-point)))
7960 (defun gnus-summary-pop-limit (&optional total)
7961 "Restore the previous limit.
7962 If given a prefix, remove all limits."
7963 (interactive "P")
7964 (when total
7965 (setq gnus-newsgroup-limits
7966 (list (mapcar (lambda (h) (mail-header-number h))
7967 gnus-newsgroup-headers))))
7968 (unless gnus-newsgroup-limits
7969 (error "No limit to pop"))
7970 (prog1
7971 (gnus-summary-limit nil 'pop)
7972 (gnus-summary-position-point)))
7974 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7975 "Limit the summary buffer to articles that have subjects that match a regexp.
7976 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7977 (interactive
7978 (list (read-string (if current-prefix-arg
7979 "Exclude subject (regexp): "
7980 "Limit to subject (regexp): "))
7981 nil current-prefix-arg))
7982 (unless header
7983 (setq header "subject"))
7984 (when (not (equal "" subject))
7985 (prog1
7986 (let ((articles (gnus-summary-find-matching
7987 (or header "subject") subject 'all nil nil
7988 not-matching)))
7989 (unless articles
7990 (error "Found no matches for \"%s\"" subject))
7991 (gnus-summary-limit articles))
7992 (gnus-summary-position-point))))
7994 (defun gnus-summary-limit-to-author (from &optional not-matching)
7995 "Limit the summary buffer to articles that have authors that match a regexp.
7996 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7997 (interactive
7998 (list (read-string (if current-prefix-arg
7999 "Exclude author (regexp): "
8000 "Limit to author (regexp): "))
8001 current-prefix-arg))
8002 (gnus-summary-limit-to-subject from "from" not-matching))
8004 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8005 "Limit the summary buffer to articles with the given RECIPIENT.
8007 If NOT-MATCHING, exclude RECIPIENT.
8009 To and Cc headers are checked. You need to include them in
8010 `nnmail-extra-headers'."
8011 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8012 (interactive
8013 (list (read-string (format "%s recipient (regexp): "
8014 (if current-prefix-arg "Exclude" "Limit to")))
8015 current-prefix-arg))
8016 (when (not (equal "" recipient))
8017 (prog1 (let* ((to
8018 (if (memq 'To nnmail-extra-headers)
8019 (gnus-summary-find-matching
8020 (cons 'extra 'To) recipient 'all nil nil
8021 not-matching)
8022 (gnus-message
8023 1 "`To' isn't present in `nnmail-extra-headers'")
8024 (sit-for 1)
8025 nil))
8027 (if (memq 'Cc nnmail-extra-headers)
8028 (gnus-summary-find-matching
8029 (cons 'extra 'Cc) recipient 'all nil nil
8030 not-matching)
8031 (gnus-message
8032 1 "`Cc' isn't present in `nnmail-extra-headers'")
8033 (sit-for 1)
8034 nil))
8035 (articles
8036 (if not-matching
8037 ;; We need the numbers that are in both lists:
8038 (mapcar (lambda (a)
8039 (and (memq a to) a))
8041 (nconc to cc))))
8042 (unless articles
8043 (error "Found no matches for \"%s\"" recipient))
8044 (gnus-summary-limit articles))
8045 (gnus-summary-position-point))))
8047 (defun gnus-summary-limit-to-address (address &optional not-matching)
8048 "Limit the summary buffer to articles with the given ADDRESS.
8050 If NOT-MATCHING, exclude ADDRESS.
8052 To, Cc and From headers are checked. You need to include `To' and `Cc'
8053 in `nnmail-extra-headers'."
8054 (interactive
8055 (list (read-string (format "%s address (regexp): "
8056 (if current-prefix-arg "Exclude" "Limit to")))
8057 current-prefix-arg))
8058 (when (not (equal "" address))
8059 (prog1 (let* ((to
8060 (if (memq 'To nnmail-extra-headers)
8061 (gnus-summary-find-matching
8062 (cons 'extra 'To) address 'all nil nil
8063 not-matching)
8064 (gnus-message
8065 1 "`To' isn't present in `nnmail-extra-headers'")
8066 (sit-for 1)
8069 (if (memq 'Cc nnmail-extra-headers)
8070 (gnus-summary-find-matching
8071 (cons 'extra 'Cc) address 'all nil nil
8072 not-matching)
8073 (gnus-message
8074 1 "`Cc' isn't present in `nnmail-extra-headers'")
8075 (sit-for 1)
8077 (from
8078 (gnus-summary-find-matching "from" address
8079 'all nil nil not-matching))
8080 (articles
8081 (if not-matching
8082 ;; We need the numbers that are in all lists:
8083 (if (eq cc t)
8084 (if (eq to t)
8085 from
8086 (mapcar (lambda (a) (car (memq a from))) to))
8087 (if (eq to t)
8088 (mapcar (lambda (a) (car (memq a from))) cc)
8089 (mapcar (lambda (a) (car (memq a from)))
8090 (mapcar (lambda (a) (car (memq a to)))
8091 cc))))
8092 (nconc (if (eq to t) nil to)
8093 (if (eq cc t) nil cc)
8094 from))))
8095 (unless articles
8096 (error "Found no matches for \"%s\"" address))
8097 (gnus-summary-limit articles))
8098 (gnus-summary-position-point))))
8100 (defun gnus-summary-limit-strange-charsets-predicate (header)
8101 (let ((string (concat (mail-header-subject header)
8102 (mail-header-from header)))
8103 charset found)
8104 (dotimes (i (1- (length string)))
8105 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8106 (when (string-match "unicode\\|big\\|japanese" charset)
8107 (setq found t)))
8108 found))
8110 (defun gnus-summary-limit-to-predicate (predicate)
8111 "Limit to articles where PREDICATE returns non-nil.
8112 PREDICATE will be called with the header structures of the
8113 articles."
8114 (let ((articles nil)
8115 (case-fold-search t))
8116 (dolist (header gnus-newsgroup-headers)
8117 (when (funcall predicate header)
8118 (push (mail-header-number header) articles)))
8119 (gnus-summary-limit (nreverse articles))))
8121 (defun gnus-summary-limit-to-age (age &optional younger-p)
8122 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8123 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8124 articles that are younger than AGE days."
8125 (interactive
8126 (let ((younger current-prefix-arg)
8127 (days-got nil)
8128 days)
8129 (while (not days-got)
8130 (setq days (if younger
8131 (read-string "Limit to articles younger than (in days, older when negative): ")
8132 (read-string
8133 "Limit to articles older than (in days, younger when negative): ")))
8134 (when (> (length days) 0)
8135 (setq days (read days)))
8136 (if (numberp days)
8137 (progn
8138 (setq days-got t)
8139 (when (< days 0)
8140 (setq younger (not younger))
8141 (setq days (* days -1))))
8142 (message "Please enter a number.")
8143 (sleep-for 1)))
8144 (list days younger)))
8145 (prog1
8146 (let ((data gnus-newsgroup-data)
8147 (cutoff (days-to-time age))
8148 articles d date is-younger)
8149 (while (setq d (pop data))
8150 (when (and (vectorp (gnus-data-header d))
8151 (setq date (mail-header-date (gnus-data-header d))))
8152 (setq is-younger (time-less-p
8153 (time-since (condition-case ()
8154 (date-to-time date)
8155 (error '(0 0))))
8156 cutoff))
8157 (when (if younger-p
8158 is-younger
8159 (not is-younger))
8160 (push (gnus-data-number d) articles))))
8161 (gnus-summary-limit (nreverse articles)))
8162 (gnus-summary-position-point)))
8164 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8165 "Limit the summary buffer to articles that match an 'extra' header."
8166 (interactive
8167 (let ((header
8168 (intern
8169 (gnus-completing-read-with-default
8170 (symbol-name (car gnus-extra-headers))
8171 (if current-prefix-arg
8172 "Exclude extra header"
8173 "Limit extra header")
8174 (mapcar (lambda (x)
8175 (cons (symbol-name x) x))
8176 gnus-extra-headers)
8178 t))))
8179 (list header
8180 (read-string (format "%s header %s (regexp): "
8181 (if current-prefix-arg "Exclude" "Limit to")
8182 header))
8183 current-prefix-arg)))
8184 (when (not (equal "" regexp))
8185 (prog1
8186 (let ((articles (gnus-summary-find-matching
8187 (cons 'extra header) regexp 'all nil nil
8188 not-matching)))
8189 (unless articles
8190 (error "Found no matches for \"%s\"" regexp))
8191 (gnus-summary-limit articles))
8192 (gnus-summary-position-point))))
8194 (defun gnus-summary-limit-to-display-predicate ()
8195 "Limit the summary buffer to the predicated in the `display' group parameter."
8196 (interactive)
8197 (unless gnus-newsgroup-display
8198 (error "There is no `display' group parameter"))
8199 (let (articles)
8200 (dolist (number gnus-newsgroup-articles)
8201 (when (funcall gnus-newsgroup-display)
8202 (push number articles)))
8203 (gnus-summary-limit articles))
8204 (gnus-summary-position-point))
8206 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8207 (make-obsolete
8208 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8210 (defun gnus-summary-limit-to-unread (&optional all)
8211 "Limit the summary buffer to articles that are not marked as read.
8212 If ALL is non-nil, limit strictly to unread articles."
8213 (interactive "P")
8214 (if all
8215 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8216 (gnus-summary-limit-to-marks
8217 ;; Concat all the marks that say that an article is read and have
8218 ;; those removed.
8219 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8220 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8221 gnus-low-score-mark gnus-expirable-mark
8222 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8223 gnus-duplicate-mark gnus-souped-mark)
8224 'reverse)))
8226 (defun gnus-summary-limit-to-headers (match &optional reverse)
8227 "Limit the summary buffer to articles that have headers that match MATCH.
8228 If REVERSE (the prefix), limit to articles that don't match."
8229 (interactive "sMatch headers (regexp): \nP")
8230 (gnus-summary-limit-to-bodies match reverse t))
8232 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8233 "Limit the summary buffer to articles that have bodies that match MATCH.
8234 If REVERSE (the prefix), limit to articles that don't match."
8235 (interactive "sMatch body (regexp): \nP")
8236 (let ((articles nil)
8237 (gnus-select-article-hook nil) ;Disable hook.
8238 (gnus-article-prepare-hook nil)
8239 (gnus-use-article-prefetch nil)
8240 (gnus-keep-backlog nil)
8241 (gnus-break-pages nil)
8242 (gnus-summary-display-arrow nil)
8243 (gnus-updated-mode-lines nil)
8244 (gnus-auto-center-summary nil)
8245 (gnus-display-mime-function nil))
8246 (dolist (data gnus-newsgroup-data)
8247 (let (gnus-mark-article-hook)
8248 (gnus-summary-select-article t t nil (gnus-data-number data)))
8249 (save-excursion
8250 (set-buffer gnus-article-buffer)
8251 (article-goto-body)
8252 (let* ((case-fold-search t)
8253 (found (if headersp
8254 (re-search-backward match nil t)
8255 (re-search-forward match nil t))))
8256 (when (or (and found
8257 (not reverse))
8258 (and (not found)
8259 reverse))
8260 (push (gnus-data-number data) articles)))))
8261 (if (not articles)
8262 (message "No messages matched")
8263 (gnus-summary-limit articles)))
8264 (gnus-summary-position-point))
8266 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8267 "Limit the summary buffer to articles that aren't part on any thread.
8268 If THREADSP (the prefix), limit to articles that are in threads."
8269 (interactive "P")
8270 (let ((articles nil)
8271 thread-articles
8272 threads)
8273 (dolist (thread gnus-newsgroup-threads)
8274 (if (stringp (car thread))
8275 (dolist (thread (cdr thread))
8276 (push thread threads))
8277 (push thread threads)))
8278 (dolist (thread threads)
8279 (setq thread-articles (gnus-articles-in-thread thread))
8280 (when (or (and threadsp
8281 (> (length thread-articles) 1))
8282 (and (not threadsp)
8283 (= (length thread-articles) 1)))
8284 (setq articles (nconc thread-articles articles))))
8285 (if (not articles)
8286 (message "No messages matched")
8287 (gnus-summary-limit articles))
8288 (gnus-summary-position-point)))
8290 (defun gnus-summary-limit-to-replied (&optional unreplied)
8291 "Limit the summary buffer to replied articles.
8292 If UNREPLIED (the prefix), limit to unreplied articles."
8293 (interactive "P")
8294 (if unreplied
8295 (gnus-summary-limit
8296 (gnus-set-difference gnus-newsgroup-articles
8297 gnus-newsgroup-replied))
8298 (gnus-summary-limit gnus-newsgroup-replied))
8299 (gnus-summary-position-point))
8301 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8302 (make-obsolete 'gnus-summary-delete-marked-with
8303 'gnus-summary-limit-exclude-marks)
8305 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8306 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8307 If REVERSE, limit the summary buffer to articles that are marked
8308 with MARKS. MARKS can either be a string of marks or a list of marks.
8309 Returns how many articles were removed."
8310 (interactive "sMarks: ")
8311 (gnus-summary-limit-to-marks marks t))
8313 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8314 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8315 If REVERSE (the prefix), limit the summary buffer to articles that are
8316 not marked with MARKS. MARKS can either be a string of marks or a
8317 list of marks.
8318 Returns how many articles were removed."
8319 (interactive "sMarks: \nP")
8320 (prog1
8321 (let ((data gnus-newsgroup-data)
8322 (marks (if (listp marks) marks
8323 (append marks nil))) ; Transform to list.
8324 articles)
8325 (while data
8326 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8327 (memq (gnus-data-mark (car data)) marks))
8328 (push (gnus-data-number (car data)) articles))
8329 (setq data (cdr data)))
8330 (gnus-summary-limit articles))
8331 (gnus-summary-position-point)))
8333 (defun gnus-summary-limit-to-score (score)
8334 "Limit to articles with score at or above SCORE."
8335 (interactive "NLimit to articles with score of at least: ")
8336 (let ((data gnus-newsgroup-data)
8337 articles)
8338 (while data
8339 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8340 score)
8341 (push (gnus-data-number (car data)) articles))
8342 (setq data (cdr data)))
8343 (prog1
8344 (gnus-summary-limit articles)
8345 (gnus-summary-position-point))))
8347 (defun gnus-summary-limit-to-unseen ()
8348 "Limit to unseen articles."
8349 (interactive)
8350 (prog1
8351 (gnus-summary-limit gnus-newsgroup-unseen)
8352 (gnus-summary-position-point)))
8354 (defun gnus-summary-limit-include-thread (id)
8355 "Display all the hidden articles that is in the thread with ID in it.
8356 When called interactively, ID is the Message-ID of the current
8357 article."
8358 (interactive (list (mail-header-id (gnus-summary-article-header))))
8359 (let ((articles (gnus-articles-in-thread
8360 (gnus-id-to-thread (gnus-root-id id)))))
8361 (prog1
8362 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8363 (gnus-summary-limit-include-matching-articles
8364 "subject"
8365 (regexp-quote (gnus-simplify-subject-re
8366 (mail-header-subject (gnus-id-to-header id)))))
8367 (gnus-summary-position-point))))
8369 (defun gnus-summary-limit-include-matching-articles (header regexp)
8370 "Display all the hidden articles that have HEADERs that match REGEXP."
8371 (interactive (list (read-string "Match on header: ")
8372 (read-string "Regexp: ")))
8373 (let ((articles (gnus-find-matching-articles header regexp)))
8374 (prog1
8375 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8376 (gnus-summary-position-point))))
8378 (defun gnus-summary-insert-dormant-articles ()
8379 "Insert all the dormant articles for this group into the current buffer."
8380 (interactive)
8381 (let ((gnus-verbose (max 6 gnus-verbose)))
8382 (if (not gnus-newsgroup-dormant)
8383 (gnus-message 3 "No dormant articles for this group")
8384 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8386 (defun gnus-summary-insert-ticked-articles ()
8387 "Insert ticked articles for this group into the current buffer."
8388 (interactive)
8389 (let ((gnus-verbose (max 6 gnus-verbose)))
8390 (if (not gnus-newsgroup-marked)
8391 (gnus-message 3 "No ticked articles for this group")
8392 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8394 (defun gnus-summary-limit-include-dormant ()
8395 "Display all the hidden articles that are marked as dormant.
8396 Note that this command only works on a subset of the articles currently
8397 fetched for this group."
8398 (interactive)
8399 (unless gnus-newsgroup-dormant
8400 (error "There are no dormant articles in this group"))
8401 (prog1
8402 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8403 (gnus-summary-position-point)))
8405 (defun gnus-summary-limit-exclude-dormant ()
8406 "Hide all dormant articles."
8407 (interactive)
8408 (prog1
8409 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8410 (gnus-summary-position-point)))
8412 (defun gnus-summary-limit-exclude-childless-dormant ()
8413 "Hide all dormant articles that have no children."
8414 (interactive)
8415 (let ((data (gnus-data-list t))
8416 articles d children)
8417 ;; Find all articles that are either not dormant or have
8418 ;; children.
8419 (while (setq d (pop data))
8420 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8421 (and (setq children
8422 (gnus-article-children (gnus-data-number d)))
8423 (let (found)
8424 (while children
8425 (when (memq (car children) articles)
8426 (setq children nil
8427 found t))
8428 (pop children))
8429 found)))
8430 (push (gnus-data-number d) articles)))
8431 ;; Do the limiting.
8432 (prog1
8433 (gnus-summary-limit articles)
8434 (gnus-summary-position-point))))
8436 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8437 "Mark all unread excluded articles as read.
8438 If ALL, mark even excluded ticked and dormants as read."
8439 (interactive "P")
8440 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8441 (let ((articles (gnus-sorted-ndifference
8442 (sort
8443 (mapcar (lambda (h) (mail-header-number h))
8444 gnus-newsgroup-headers)
8446 gnus-newsgroup-limit))
8447 article)
8448 (setq gnus-newsgroup-unreads
8449 (gnus-sorted-intersection gnus-newsgroup-unreads
8450 gnus-newsgroup-limit))
8451 (if all
8452 (setq gnus-newsgroup-dormant nil
8453 gnus-newsgroup-marked nil
8454 gnus-newsgroup-reads
8455 (nconc
8456 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8457 gnus-newsgroup-reads))
8458 (while (setq article (pop articles))
8459 (unless (or (memq article gnus-newsgroup-dormant)
8460 (memq article gnus-newsgroup-marked))
8461 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8463 (defun gnus-summary-limit (articles &optional pop)
8464 (if pop
8465 ;; We pop the previous limit off the stack and use that.
8466 (setq articles (car gnus-newsgroup-limits)
8467 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8468 ;; We use the new limit, so we push the old limit on the stack.
8469 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8470 ;; Set the limit.
8471 (setq gnus-newsgroup-limit articles)
8472 (let ((total (length gnus-newsgroup-data))
8473 (data (gnus-data-find-list (gnus-summary-article-number)))
8474 (gnus-summary-mark-below nil) ; Inhibit this.
8475 found)
8476 ;; This will do all the work of generating the new summary buffer
8477 ;; according to the new limit.
8478 (gnus-summary-prepare)
8479 ;; Hide any threads, possibly.
8480 (gnus-summary-maybe-hide-threads)
8481 ;; Try to return to the article you were at, or one in the
8482 ;; neighborhood.
8483 (when data
8484 ;; We try to find some article after the current one.
8485 (while data
8486 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8487 (setq data nil
8488 found t))
8489 (setq data (cdr data))))
8490 (unless found
8491 ;; If there is no data, that means that we were after the last
8492 ;; article. The same goes when we can't find any articles
8493 ;; after the current one.
8494 (goto-char (point-max))
8495 (gnus-summary-find-prev))
8496 (gnus-set-mode-line 'summary)
8497 ;; We return how many articles were removed from the summary
8498 ;; buffer as a result of the new limit.
8499 (- total (length gnus-newsgroup-data))))
8501 (defsubst gnus-invisible-cut-children (threads)
8502 (let ((num 0))
8503 (while threads
8504 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8505 (incf num))
8506 (pop threads))
8507 (< num 2)))
8509 (defsubst gnus-cut-thread (thread)
8510 "Go forwards in the thread until we find an article that we want to display."
8511 (when (or (eq gnus-fetch-old-headers 'some)
8512 (eq gnus-fetch-old-headers 'invisible)
8513 (numberp gnus-fetch-old-headers)
8514 (eq gnus-build-sparse-threads 'some)
8515 (eq gnus-build-sparse-threads 'more))
8516 ;; Deal with old-fetched headers and sparse threads.
8517 (while (and
8518 thread
8520 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8521 (gnus-summary-article-ancient-p
8522 (mail-header-number (car thread))))
8523 (if (or (<= (length (cdr thread)) 1)
8524 (eq gnus-fetch-old-headers 'invisible))
8525 (setq gnus-newsgroup-limit
8526 (delq (mail-header-number (car thread))
8527 gnus-newsgroup-limit)
8528 thread (cadr thread))
8529 (when (gnus-invisible-cut-children (cdr thread))
8530 (let ((th (cdr thread)))
8531 (while th
8532 (if (memq (mail-header-number (caar th))
8533 gnus-newsgroup-limit)
8534 (setq thread (car th)
8535 th nil)
8536 (setq th (cdr th))))))))))
8537 thread)
8539 (defun gnus-cut-threads (threads)
8540 "Cut off all uninteresting articles from the beginning of THREADS."
8541 (when (or (eq gnus-fetch-old-headers 'some)
8542 (eq gnus-fetch-old-headers 'invisible)
8543 (numberp gnus-fetch-old-headers)
8544 (eq gnus-build-sparse-threads 'some)
8545 (eq gnus-build-sparse-threads 'more))
8546 (let ((th threads))
8547 (while th
8548 (setcar th (gnus-cut-thread (car th)))
8549 (setq th (cdr th)))))
8550 ;; Remove nixed out threads.
8551 (delq nil threads))
8553 (defun gnus-summary-initial-limit (&optional show-if-empty)
8554 "Figure out what the initial limit is supposed to be on group entry.
8555 This entails weeding out unwanted dormants, low-scored articles,
8556 fetch-old-headers verbiage, and so on."
8557 ;; Most groups have nothing to remove.
8558 (if (or gnus-inhibit-limiting
8559 (and (null gnus-newsgroup-dormant)
8560 (eq gnus-newsgroup-display 'gnus-not-ignore)
8561 (not (eq gnus-fetch-old-headers 'some))
8562 (not (numberp gnus-fetch-old-headers))
8563 (not (eq gnus-fetch-old-headers 'invisible))
8564 (null gnus-summary-expunge-below)
8565 (not (eq gnus-build-sparse-threads 'some))
8566 (not (eq gnus-build-sparse-threads 'more))
8567 (null gnus-thread-expunge-below)
8568 (not gnus-use-nocem)))
8569 () ; Do nothing.
8570 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8571 (setq gnus-newsgroup-limit nil)
8572 (mapatoms
8573 (lambda (node)
8574 (unless (car (symbol-value node))
8575 ;; These threads have no parents -- they are roots.
8576 (let ((nodes (cdr (symbol-value node)))
8577 thread)
8578 (while nodes
8579 (if (and gnus-thread-expunge-below
8580 (< (gnus-thread-total-score (car nodes))
8581 gnus-thread-expunge-below))
8582 (gnus-expunge-thread (pop nodes))
8583 (setq thread (pop nodes))
8584 (gnus-summary-limit-children thread))))))
8585 gnus-newsgroup-dependencies)
8586 ;; If this limitation resulted in an empty group, we might
8587 ;; pop the previous limit and use it instead.
8588 (when (and (not gnus-newsgroup-limit)
8589 show-if-empty)
8590 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8591 gnus-newsgroup-limit))
8593 (defun gnus-summary-limit-children (thread)
8594 "Return 1 if this subthread is visible and 0 if it is not."
8595 ;; First we get the number of visible children to this thread. This
8596 ;; is done by recursing down the thread using this function, so this
8597 ;; will really go down to a leaf article first, before slowly
8598 ;; working its way up towards the root.
8599 (when thread
8600 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8601 (children
8602 (if (cdr thread)
8603 (apply '+ (mapcar 'gnus-summary-limit-children
8604 (cdr thread)))
8606 (number (mail-header-number (car thread)))
8607 score)
8608 (if (and
8609 (not (memq number gnus-newsgroup-marked))
8611 ;; If this article is dormant and has absolutely no visible
8612 ;; children, then this article isn't visible.
8613 (and (memq number gnus-newsgroup-dormant)
8614 (zerop children))
8615 ;; If this is "fetch-old-headered" and there is no
8616 ;; visible children, then we don't want this article.
8617 (and (or (eq gnus-fetch-old-headers 'some)
8618 (numberp gnus-fetch-old-headers))
8619 (gnus-summary-article-ancient-p number)
8620 (zerop children))
8621 ;; If this is "fetch-old-headered" and `invisible', then
8622 ;; we don't want this article.
8623 (and (eq gnus-fetch-old-headers 'invisible)
8624 (gnus-summary-article-ancient-p number))
8625 ;; If this is a sparsely inserted article with no children,
8626 ;; we don't want it.
8627 (and (eq gnus-build-sparse-threads 'some)
8628 (gnus-summary-article-sparse-p number)
8629 (zerop children))
8630 ;; If we use expunging, and this article is really
8631 ;; low-scored, then we don't want this article.
8632 (when (and gnus-summary-expunge-below
8633 (< (setq score
8634 (or (cdr (assq number gnus-newsgroup-scored))
8635 gnus-summary-default-score))
8636 gnus-summary-expunge-below))
8637 ;; We increase the expunge-tally here, but that has
8638 ;; nothing to do with the limits, really.
8639 (incf gnus-newsgroup-expunged-tally)
8640 ;; We also mark as read here, if that's wanted.
8641 (when (and gnus-summary-mark-below
8642 (< score gnus-summary-mark-below))
8643 (setq gnus-newsgroup-unreads
8644 (delq number gnus-newsgroup-unreads))
8645 (if gnus-newsgroup-auto-expire
8646 (push number gnus-newsgroup-expirable)
8647 (push (cons number gnus-low-score-mark)
8648 gnus-newsgroup-reads)))
8650 ;; Do the `display' group parameter.
8651 (and gnus-newsgroup-display
8652 (not (funcall gnus-newsgroup-display)))
8653 ;; Check NoCeM things.
8654 (when (and gnus-use-nocem
8655 (gnus-nocem-unwanted-article-p
8656 (mail-header-id (car thread))))
8657 (setq gnus-newsgroup-unreads
8658 (delq number gnus-newsgroup-unreads))
8659 t)))
8660 ;; Nope, invisible article.
8662 ;; Ok, this article is to be visible, so we add it to the limit
8663 ;; and return 1.
8664 (push number gnus-newsgroup-limit)
8665 1))))
8667 (defun gnus-expunge-thread (thread)
8668 "Mark all articles in THREAD as read."
8669 (let* ((number (mail-header-number (car thread))))
8670 (incf gnus-newsgroup-expunged-tally)
8671 ;; We also mark as read here, if that's wanted.
8672 (setq gnus-newsgroup-unreads
8673 (delq number gnus-newsgroup-unreads))
8674 (if gnus-newsgroup-auto-expire
8675 (push number gnus-newsgroup-expirable)
8676 (push (cons number gnus-low-score-mark)
8677 gnus-newsgroup-reads)))
8678 ;; Go recursively through all subthreads.
8679 (mapcar 'gnus-expunge-thread (cdr thread)))
8681 ;; Summary article oriented commands
8683 (defun gnus-summary-refer-parent-article (n)
8684 "Refer parent article N times.
8685 If N is negative, go to ancestor -N instead.
8686 The difference between N and the number of articles fetched is returned."
8687 (interactive "p")
8688 (let ((skip 1)
8689 error header ref)
8690 (when (not (natnump n))
8691 (setq skip (abs n)
8692 n 1))
8693 (while (and (> n 0)
8694 (not error))
8695 (setq header (gnus-summary-article-header))
8696 (if (and (eq (mail-header-number header)
8697 (cdr gnus-article-current))
8698 (equal gnus-newsgroup-name
8699 (car gnus-article-current)))
8700 ;; If we try to find the parent of the currently
8701 ;; displayed article, then we take a look at the actual
8702 ;; References header, since this is slightly more
8703 ;; reliable than the References field we got from the
8704 ;; server.
8705 (save-excursion
8706 (set-buffer gnus-original-article-buffer)
8707 (nnheader-narrow-to-headers)
8708 (unless (setq ref (message-fetch-field "references"))
8709 (when (setq ref (message-fetch-field "in-reply-to"))
8710 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8711 (widen))
8712 (setq ref
8713 ;; It's not the current article, so we take a bet on
8714 ;; the value we got from the server.
8715 (mail-header-references header)))
8716 (if (and ref
8717 (not (equal ref "")))
8718 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8719 (gnus-message 1 "Couldn't find parent"))
8720 (gnus-message 1 "No references in article %d"
8721 (gnus-summary-article-number))
8722 (setq error t))
8723 (decf n))
8724 (gnus-summary-position-point)
8727 (defun gnus-summary-refer-references ()
8728 "Fetch all articles mentioned in the References header.
8729 Return the number of articles fetched."
8730 (interactive)
8731 (let ((ref (mail-header-references (gnus-summary-article-header)))
8732 (current (gnus-summary-article-number))
8733 (n 0))
8734 (if (or (not ref)
8735 (equal ref ""))
8736 (error "No References in the current article")
8737 ;; For each Message-ID in the References header...
8738 (while (string-match "<[^>]*>" ref)
8739 (incf n)
8740 ;; ... fetch that article.
8741 (gnus-summary-refer-article
8742 (prog1 (match-string 0 ref)
8743 (setq ref (substring ref (match-end 0))))))
8744 (gnus-summary-goto-subject current)
8745 (gnus-summary-position-point)
8746 n)))
8748 (defun gnus-summary-refer-thread (&optional limit)
8749 "Fetch all articles in the current thread.
8750 If LIMIT (the numerical prefix), fetch that many old headers instead
8751 of what's specified by the `gnus-refer-thread-limit' variable."
8752 (interactive "P")
8753 (let ((id (mail-header-id (gnus-summary-article-header)))
8754 (limit (if limit (prefix-numeric-value limit)
8755 gnus-refer-thread-limit)))
8756 (unless (eq gnus-fetch-old-headers 'invisible)
8757 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8758 ;; Retrieve the headers and read them in.
8759 (if (eq (if (numberp limit)
8760 (gnus-retrieve-headers
8761 (list (min
8762 (+ (mail-header-number
8763 (gnus-summary-article-header))
8764 limit)
8765 gnus-newsgroup-end))
8766 gnus-newsgroup-name (* limit 2))
8767 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8768 ;; headers.
8769 (gnus-retrieve-headers (list gnus-newsgroup-end)
8770 gnus-newsgroup-name limit))
8771 'nov)
8772 (gnus-build-all-threads)
8773 (error "Can't fetch thread from back ends that don't support NOV"))
8774 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8775 (gnus-summary-limit-include-thread id)))
8777 (defun gnus-summary-refer-article (message-id)
8778 "Fetch an article specified by MESSAGE-ID."
8779 (interactive "sMessage-ID: ")
8780 (when (and (stringp message-id)
8781 (not (zerop (length message-id))))
8782 (setq message-id (gnus-replace-in-string message-id " " ""))
8783 ;; Construct the correct Message-ID if necessary.
8784 ;; Suggested by tale@pawl.rpi.edu.
8785 (unless (string-match "^<" message-id)
8786 (setq message-id (concat "<" message-id)))
8787 (unless (string-match ">$" message-id)
8788 (setq message-id (concat message-id ">")))
8789 ;; People often post MIDs from URLs, so unhex it:
8790 (unless (string-match "@" message-id)
8791 (setq message-id (gnus-url-unhex-string message-id)))
8792 (let* ((header (gnus-id-to-header message-id))
8793 (sparse (and header
8794 (gnus-summary-article-sparse-p
8795 (mail-header-number header))
8796 (memq (mail-header-number header)
8797 gnus-newsgroup-limit)))
8798 number)
8799 (cond
8800 ;; If the article is present in the buffer we just go to it.
8801 ((and header
8802 (or (not (gnus-summary-article-sparse-p
8803 (mail-header-number header)))
8804 sparse))
8805 (prog1
8806 (gnus-summary-goto-article
8807 (mail-header-number header) nil t)
8808 (when sparse
8809 (gnus-summary-update-article (mail-header-number header)))))
8811 ;; We fetch the article.
8812 (catch 'found
8813 (dolist (gnus-override-method (gnus-refer-article-methods))
8814 (when (and (gnus-check-server gnus-override-method)
8815 ;; Fetch the header,
8816 (setq number (gnus-summary-insert-subject message-id)))
8817 ;; and display the article.
8818 (gnus-summary-select-article nil nil nil number)
8819 (throw 'found t)))
8820 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8822 (defun gnus-refer-article-methods ()
8823 "Return a list of referable methods."
8824 (cond
8825 ;; No method, so we default to current and native.
8826 ((null gnus-refer-article-method)
8827 (list gnus-current-select-method gnus-select-method))
8828 ;; Current.
8829 ((eq 'current gnus-refer-article-method)
8830 (list gnus-current-select-method))
8831 ;; List of select methods.
8832 ((not (and (symbolp (car gnus-refer-article-method))
8833 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8834 (let (out)
8835 (dolist (method gnus-refer-article-method)
8836 (push (if (eq 'current method)
8837 gnus-current-select-method
8838 method)
8839 out))
8840 (nreverse out)))
8841 ;; One single select method.
8843 (list gnus-refer-article-method))))
8845 (defun gnus-summary-edit-parameters ()
8846 "Edit the group parameters of the current group."
8847 (interactive)
8848 (gnus-group-edit-group gnus-newsgroup-name 'params))
8850 (defun gnus-summary-customize-parameters ()
8851 "Customize the group parameters of the current group."
8852 (interactive)
8853 (gnus-group-customize gnus-newsgroup-name))
8855 (defun gnus-summary-enter-digest-group (&optional force)
8856 "Enter an nndoc group based on the current article.
8857 If FORCE, force a digest interpretation. If not, try
8858 to guess what the document format is."
8859 (interactive "P")
8860 (let ((conf gnus-current-window-configuration))
8861 (save-window-excursion
8862 (save-excursion
8863 (let (gnus-article-prepare-hook
8864 gnus-display-mime-function
8865 gnus-break-pages)
8866 (gnus-summary-select-article))))
8867 (setq gnus-current-window-configuration conf)
8868 (let* ((name (format "%s-%d"
8869 (gnus-group-prefixed-name
8870 gnus-newsgroup-name (list 'nndoc ""))
8871 (with-current-buffer gnus-summary-buffer
8872 gnus-current-article)))
8873 (ogroup gnus-newsgroup-name)
8874 (params (append (gnus-info-params (gnus-get-info ogroup))
8875 (list (cons 'to-group ogroup))
8876 (list (cons 'parent-group ogroup))
8877 (list (cons 'save-article-group ogroup))))
8878 (case-fold-search t)
8879 (buf (current-buffer))
8880 dig to-address)
8881 (save-excursion
8882 (set-buffer gnus-original-article-buffer)
8883 ;; Have the digest group inherit the main mail address of
8884 ;; the parent article.
8885 (when (setq to-address (or (gnus-fetch-field "reply-to")
8886 (gnus-fetch-field "from")))
8887 (setq params
8888 (append
8889 (list (cons 'to-address
8890 (funcall gnus-decode-encoded-address-function
8891 to-address))))))
8892 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8893 (insert-buffer-substring gnus-original-article-buffer)
8894 ;; Remove lines that may lead nndoc to misinterpret the
8895 ;; document type.
8896 (narrow-to-region
8897 (goto-char (point-min))
8898 (or (search-forward "\n\n" nil t) (point)))
8899 (goto-char (point-min))
8900 (delete-matching-lines "^Path:\\|^From ")
8901 (widen))
8902 (unwind-protect
8903 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8904 (gnus-newsgroup-ephemeral-ignored-charsets
8905 gnus-newsgroup-ignored-charsets))
8906 (gnus-group-read-ephemeral-group
8907 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8908 (nndoc-article-type
8909 ,(if force 'mbox 'guess)))
8910 t nil nil nil
8911 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8912 "ADAPT")))))
8913 ;; Make all postings to this group go to the parent group.
8914 (nconc (gnus-info-params (gnus-get-info name))
8915 params)
8916 ;; Couldn't select this doc group.
8917 (switch-to-buffer buf)
8918 (gnus-set-global-variables)
8919 (gnus-configure-windows 'summary)
8920 (gnus-message 3 "Article couldn't be entered?"))
8921 (kill-buffer dig)))))
8923 (defun gnus-summary-read-document (n)
8924 "Open a new group based on the current article(s).
8925 This will allow you to read digests and other similar
8926 documents as newsgroups.
8927 Obeys the standard process/prefix convention."
8928 (interactive "P")
8929 (let* ((ogroup gnus-newsgroup-name)
8930 (params (append (gnus-info-params (gnus-get-info ogroup))
8931 (list (cons 'to-group ogroup))))
8932 group egroup groups vgroup)
8933 (dolist (article (gnus-summary-work-articles n))
8934 (setq group (format "%s-%d" gnus-newsgroup-name article))
8935 (gnus-summary-remove-process-mark article)
8936 (when (gnus-summary-display-article article)
8937 (save-excursion
8938 (with-temp-buffer
8939 (insert-buffer-substring gnus-original-article-buffer)
8940 ;; Remove some headers that may lead nndoc to make
8941 ;; the wrong guess.
8942 (message-narrow-to-head)
8943 (goto-char (point-min))
8944 (delete-matching-lines "^Path:\\|^From ")
8945 (widen)
8946 (if (setq egroup
8947 (gnus-group-read-ephemeral-group
8948 group `(nndoc ,group (nndoc-address ,(current-buffer))
8949 (nndoc-article-type guess))
8950 t nil t))
8951 (progn
8952 ;; Make all postings to this group go to the parent group.
8953 (nconc (gnus-info-params (gnus-get-info egroup))
8954 params)
8955 (push egroup groups))
8956 ;; Couldn't select this doc group.
8957 (gnus-error 3 "Article couldn't be entered"))))))
8958 ;; Now we have selected all the documents.
8959 (cond
8960 ((not groups)
8961 (error "None of the articles could be interpreted as documents"))
8962 ((gnus-group-read-ephemeral-group
8963 (setq vgroup (format
8964 "nnvirtual:%s-%s" gnus-newsgroup-name
8965 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8966 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8968 (cons (current-buffer) 'summary)))
8970 (error "Couldn't select virtual nndoc group")))))
8972 (defun gnus-summary-isearch-article (&optional regexp-p)
8973 "Do incremental search forward on the current article.
8974 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8975 (interactive "P")
8976 (gnus-summary-select-article)
8977 (gnus-configure-windows 'article)
8978 (gnus-eval-in-buffer-window gnus-article-buffer
8979 (save-restriction
8980 (widen)
8981 (isearch-forward regexp-p))))
8983 (defun gnus-summary-repeat-search-article-forward ()
8984 "Repeat the previous search forwards."
8985 (interactive)
8986 (unless gnus-last-search-regexp
8987 (error "No previous search"))
8988 (gnus-summary-search-article-forward gnus-last-search-regexp))
8990 (defun gnus-summary-repeat-search-article-backward ()
8991 "Repeat the previous search backwards."
8992 (interactive)
8993 (unless gnus-last-search-regexp
8994 (error "No previous search"))
8995 (gnus-summary-search-article-forward gnus-last-search-regexp t))
8997 (defun gnus-summary-search-article-forward (regexp &optional backward)
8998 "Search for an article containing REGEXP forward.
8999 If BACKWARD, search backward instead."
9000 (interactive
9001 (list (read-string
9002 (format "Search article %s (regexp%s): "
9003 (if current-prefix-arg "backward" "forward")
9004 (if gnus-last-search-regexp
9005 (concat ", default " gnus-last-search-regexp)
9006 "")))
9007 current-prefix-arg))
9008 (if (string-equal regexp "")
9009 (setq regexp (or gnus-last-search-regexp ""))
9010 (setq gnus-last-search-regexp regexp)
9011 (setq gnus-article-before-search gnus-current-article))
9012 ;; Intentionally set gnus-last-article.
9013 (setq gnus-last-article gnus-article-before-search)
9014 (let ((gnus-last-article gnus-last-article))
9015 (if (gnus-summary-search-article regexp backward)
9016 (gnus-summary-show-thread)
9017 (signal 'search-failed (list regexp)))))
9019 (defun gnus-summary-search-article-backward (regexp)
9020 "Search for an article containing REGEXP backward."
9021 (interactive
9022 (list (read-string
9023 (format "Search article backward (regexp%s): "
9024 (if gnus-last-search-regexp
9025 (concat ", default " gnus-last-search-regexp)
9026 "")))))
9027 (gnus-summary-search-article-forward regexp 'backward))
9029 (defun gnus-summary-search-article (regexp &optional backward)
9030 "Search for an article containing REGEXP.
9031 Optional argument BACKWARD means do search for backward.
9032 `gnus-select-article-hook' is not called during the search."
9033 ;; We have to require this here to make sure that the following
9034 ;; dynamic binding isn't shadowed by autoloading.
9035 (require 'gnus-async)
9036 (require 'gnus-art)
9037 (let ((gnus-select-article-hook nil) ;Disable hook.
9038 (gnus-article-prepare-hook nil)
9039 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9040 (gnus-use-article-prefetch nil)
9041 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9042 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9043 (gnus-visual nil)
9044 (gnus-keep-backlog nil)
9045 (gnus-break-pages nil)
9046 (gnus-summary-display-arrow nil)
9047 (gnus-updated-mode-lines nil)
9048 (gnus-auto-center-summary nil)
9049 (sum (current-buffer))
9050 (gnus-display-mime-function nil)
9051 (found nil)
9052 point)
9053 (gnus-save-hidden-threads
9054 (gnus-summary-select-article)
9055 (set-buffer gnus-article-buffer)
9056 (goto-char (window-point (get-buffer-window (current-buffer))))
9057 (when backward
9058 (forward-line -1))
9059 (while (not found)
9060 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9061 (if (if backward
9062 (re-search-backward regexp nil t)
9063 (re-search-forward regexp nil t))
9064 ;; We found the regexp.
9065 (progn
9066 (setq found 'found)
9067 (beginning-of-line)
9068 (set-window-start
9069 (get-buffer-window (current-buffer))
9070 (point))
9071 (forward-line 1)
9072 (set-window-point
9073 (get-buffer-window (current-buffer))
9074 (point))
9075 (set-buffer sum)
9076 (setq point (point)))
9077 ;; We didn't find it, so we go to the next article.
9078 (set-buffer sum)
9079 (setq found 'not)
9080 (while (eq found 'not)
9081 (if (not (if backward (gnus-summary-find-prev)
9082 (gnus-summary-find-next)))
9083 ;; No more articles.
9084 (setq found t)
9085 ;; Select the next article and adjust point.
9086 (unless (gnus-summary-article-sparse-p
9087 (gnus-summary-article-number))
9088 (setq found nil)
9089 (gnus-summary-select-article)
9090 (set-buffer gnus-article-buffer)
9091 (widen)
9092 (goto-char (if backward (point-max) (point-min))))))))
9093 (gnus-message 7 ""))
9094 ;; Return whether we found the regexp.
9095 (when (eq found 'found)
9096 (goto-char point)
9097 (gnus-summary-show-thread)
9098 (gnus-summary-goto-subject gnus-current-article)
9099 (gnus-summary-position-point)
9100 t)))
9102 (defun gnus-find-matching-articles (header regexp)
9103 "Return a list of all articles that match REGEXP on HEADER.
9104 This search includes all articles in the current group that Gnus has
9105 fetched headers for, whether they are displayed or not."
9106 (let ((articles nil)
9107 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9108 (case-fold-search t))
9109 (dolist (header gnus-newsgroup-headers)
9110 (when (string-match regexp (funcall func header))
9111 (push (mail-header-number header) articles)))
9112 (nreverse articles)))
9114 (defun gnus-summary-find-matching (header regexp &optional backward unread
9115 not-case-fold not-matching)
9116 "Return a list of all articles that match REGEXP on HEADER.
9117 The search stars on the current article and goes forwards unless
9118 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9119 If UNREAD is non-nil, only unread articles will
9120 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9121 in the comparisons. If NOT-MATCHING, return a list of all articles that
9122 not match REGEXP on HEADER."
9123 (let ((case-fold-search (not not-case-fold))
9124 articles d func)
9125 (if (consp header)
9126 (if (eq (car header) 'extra)
9127 (setq func
9128 `(lambda (h)
9129 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9130 "")))
9131 (error "%s is an invalid header" header))
9132 (unless (fboundp (intern (concat "mail-header-" header)))
9133 (error "%s is not a valid header" header))
9134 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9135 (dolist (d (if (eq backward 'all)
9136 gnus-newsgroup-data
9137 (gnus-data-find-list
9138 (gnus-summary-article-number)
9139 (gnus-data-list backward))))
9140 (when (and (or (not unread) ; We want all articles...
9141 (gnus-data-unread-p d)) ; Or just unreads.
9142 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9143 (if not-matching
9144 (not (string-match
9145 regexp
9146 (funcall func (gnus-data-header d))))
9147 (string-match regexp
9148 (funcall func (gnus-data-header d)))))
9149 (push (gnus-data-number d) articles))) ; Success!
9150 (nreverse articles)))
9152 (defun gnus-summary-execute-command (header regexp command &optional backward)
9153 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9154 If HEADER is an empty string (or nil), the match is done on the entire
9155 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9156 (interactive
9157 (list (let ((completion-ignore-case t))
9158 (completing-read
9159 "Header name: "
9160 (mapcar (lambda (header) (list (format "%s" header)))
9161 (append
9162 '("Number" "Subject" "From" "Lines" "Date"
9163 "Message-ID" "Xref" "References" "Body")
9164 gnus-extra-headers))
9165 nil 'require-match))
9166 (read-string "Regexp: ")
9167 (read-key-sequence "Command: ")
9168 current-prefix-arg))
9169 (when (equal header "Body")
9170 (setq header ""))
9171 ;; Hidden thread subtrees must be searched as well.
9172 (gnus-summary-show-all-threads)
9173 ;; We don't want to change current point nor window configuration.
9174 (save-excursion
9175 (save-window-excursion
9176 (let (gnus-visual
9177 gnus-treat-strip-trailing-blank-lines
9178 gnus-treat-strip-leading-blank-lines
9179 gnus-treat-strip-multiple-blank-lines
9180 gnus-treat-hide-boring-headers
9181 gnus-treat-fold-newsgroups
9182 gnus-article-prepare-hook)
9183 (gnus-message 6 "Executing %s..." (key-description command))
9184 ;; We'd like to execute COMMAND interactively so as to give arguments.
9185 (gnus-execute header regexp
9186 `(call-interactively ',(key-binding command))
9187 backward)
9188 (gnus-message 6 "Executing %s...done" (key-description command))))))
9190 (defun gnus-summary-beginning-of-article ()
9191 "Scroll the article back to the beginning."
9192 (interactive)
9193 (gnus-summary-select-article)
9194 (gnus-configure-windows 'article)
9195 (gnus-eval-in-buffer-window gnus-article-buffer
9196 (widen)
9197 (goto-char (point-min))
9198 (when gnus-break-pages
9199 (gnus-narrow-to-page))))
9201 (defun gnus-summary-end-of-article ()
9202 "Scroll to the end of the article."
9203 (interactive)
9204 (gnus-summary-select-article)
9205 (gnus-configure-windows 'article)
9206 (gnus-eval-in-buffer-window gnus-article-buffer
9207 (widen)
9208 (goto-char (point-max))
9209 (recenter -3)
9210 (when gnus-break-pages
9211 (when (re-search-backward page-delimiter nil t)
9212 (narrow-to-region (match-end 0) (point-max)))
9213 (gnus-narrow-to-page))))
9215 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9216 "Truncate to LEN and quote all \"(\"'s in STRING."
9217 (gnus-replace-in-string (if (and len (> (length string) len))
9218 (substring string 0 len)
9219 string)
9220 "[()]" "\\\\\\&"))
9222 (defun gnus-summary-print-article (&optional filename n)
9223 "Generate and print a PostScript image of the process-marked (mail) articles.
9225 If used interactively, print the current article if none are
9226 process-marked. With prefix arg, prompt the user for the name of the
9227 file to save in.
9229 When used from Lisp, accept two optional args FILENAME and N. N means
9230 to print the next N articles. If N is negative, print the N previous
9231 articles. If N is nil and articles have been marked with the process
9232 mark, print these instead.
9234 If the optional first argument FILENAME is nil, send the image to the
9235 printer. If FILENAME is a string, save the PostScript image in a file with
9236 that name. If FILENAME is a number, prompt the user for the name of the file
9237 to save in."
9238 (interactive (list (ps-print-preprint current-prefix-arg)))
9239 (dolist (article (gnus-summary-work-articles n))
9240 (gnus-summary-select-article nil nil 'pseudo article)
9241 (gnus-eval-in-buffer-window gnus-article-buffer
9242 (gnus-print-buffer))
9243 (gnus-summary-remove-process-mark article))
9244 (ps-despool filename))
9246 (defun gnus-print-buffer ()
9247 (let ((buffer (generate-new-buffer " *print*")))
9248 (unwind-protect
9249 (progn
9250 (copy-to-buffer buffer (point-min) (point-max))
9251 (set-buffer buffer)
9252 (gnus-remove-text-with-property 'gnus-decoration)
9253 (when (gnus-visual-p 'article-highlight 'highlight)
9254 ;; Copy-to-buffer doesn't copy overlay. So redo
9255 ;; highlight.
9256 (let ((gnus-article-buffer buffer))
9257 (gnus-article-highlight-citation t)
9258 (gnus-article-highlight-signature)
9259 (gnus-article-emphasize)
9260 (gnus-article-delete-invisible-text)))
9261 (let ((ps-left-header
9262 (list
9263 (concat "("
9264 (gnus-summary-print-truncate-and-quote
9265 (mail-header-subject gnus-current-headers)
9266 66) ")")
9267 (concat "("
9268 (gnus-summary-print-truncate-and-quote
9269 (mail-header-from gnus-current-headers)
9270 45) ")")))
9271 (ps-right-header
9272 (list
9273 "/pagenumberstring load"
9274 (concat "("
9275 (mail-header-date gnus-current-headers) ")"))))
9276 (gnus-run-hooks 'gnus-ps-print-hook)
9277 (save-excursion
9278 (if window-system
9279 (ps-spool-buffer-with-faces)
9280 (ps-spool-buffer)))))
9281 (kill-buffer buffer))))
9283 (defun gnus-summary-show-article (&optional arg)
9284 "Force redisplaying of the current article.
9285 If ARG (the prefix) is a number, show the article with the charset
9286 defined in `gnus-summary-show-article-charset-alist', or the charset
9287 input.
9288 If ARG (the prefix) is non-nil and not a number, show the raw article
9289 without any article massaging functions being run. Normally, the key
9290 strokes are `C-u g'."
9291 (interactive "P")
9292 (cond
9293 ((numberp arg)
9294 (gnus-summary-show-article t)
9295 (let ((gnus-newsgroup-charset
9296 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9297 (mm-read-coding-system
9298 "View as charset: " ;; actually it is coding system.
9299 (with-current-buffer gnus-article-buffer
9300 (mm-detect-coding-region (point) (point-max))))))
9301 (gnus-newsgroup-ignored-charsets 'gnus-all))
9302 (gnus-summary-select-article nil 'force)
9303 (let ((deps gnus-newsgroup-dependencies)
9304 head header lines)
9305 (save-excursion
9306 (set-buffer gnus-original-article-buffer)
9307 (save-restriction
9308 (message-narrow-to-head)
9309 (setq head (buffer-string))
9310 (goto-char (point-min))
9311 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9312 (goto-char (point-max))
9313 (widen)
9314 (setq lines (1- (count-lines (point) (point-max))))))
9315 (with-temp-buffer
9316 (insert (format "211 %d Article retrieved.\n"
9317 (cdr gnus-article-current)))
9318 (insert head)
9319 (if lines (insert (format "Lines: %d\n" lines)))
9320 (insert ".\n")
9321 (let ((nntp-server-buffer (current-buffer)))
9322 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9323 (gnus-data-set-header
9324 (gnus-data-find (cdr gnus-article-current))
9325 header)
9326 (gnus-summary-update-article-line
9327 (cdr gnus-article-current) header)
9328 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9329 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9330 ((not arg)
9331 ;; Select the article the normal way.
9332 (gnus-summary-select-article nil 'force))
9334 ;; We have to require this here to make sure that the following
9335 ;; dynamic binding isn't shadowed by autoloading.
9336 (require 'gnus-async)
9337 (require 'gnus-art)
9338 ;; Bind the article treatment functions to nil.
9339 (let ((gnus-have-all-headers t)
9340 gnus-article-prepare-hook
9341 gnus-article-decode-hook
9342 gnus-display-mime-function
9343 gnus-break-pages)
9344 ;; Destroy any MIME parts.
9345 (when (gnus-buffer-live-p gnus-article-buffer)
9346 (save-excursion
9347 (set-buffer gnus-article-buffer)
9348 (mm-destroy-parts gnus-article-mime-handles)
9349 ;; Set it to nil for safety reason.
9350 (setq gnus-article-mime-handle-alist nil)
9351 (setq gnus-article-mime-handles nil)))
9352 (gnus-summary-select-article nil 'force))))
9353 (gnus-summary-goto-subject gnus-current-article)
9354 (gnus-summary-position-point))
9356 (defun gnus-summary-show-raw-article ()
9357 "Show the raw article without any article massaging functions being run."
9358 (interactive)
9359 (gnus-summary-show-article t))
9361 (defun gnus-summary-verbose-headers (&optional arg)
9362 "Toggle permanent full header display.
9363 If ARG is a positive number, turn header display on.
9364 If ARG is a negative number, turn header display off."
9365 (interactive "P")
9366 (setq gnus-show-all-headers
9367 (cond ((or (not (numberp arg))
9368 (zerop arg))
9369 (not gnus-show-all-headers))
9370 ((natnump arg)
9371 t)))
9372 (gnus-summary-show-article))
9374 (defun gnus-summary-toggle-header (&optional arg)
9375 "Show the headers if they are hidden, or hide them if they are shown.
9376 If ARG is a positive number, show the entire header.
9377 If ARG is a negative number, hide the unwanted header lines."
9378 (interactive "P")
9379 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9380 (get-buffer-window gnus-article-buffer t))))
9381 (with-current-buffer gnus-article-buffer
9382 (widen)
9383 (article-narrow-to-head)
9384 (let* ((buffer-read-only nil)
9385 (inhibit-point-motion-hooks t)
9386 (hidden (if (numberp arg)
9387 (>= arg 0)
9388 (or (not (looking-at "[^ \t\n]+:"))
9389 (gnus-article-hidden-text-p 'headers))))
9390 s e)
9391 (delete-region (point-min) (point-max))
9392 (with-current-buffer gnus-original-article-buffer
9393 (goto-char (setq s (point-min)))
9394 (setq e (if (search-forward "\n\n" nil t)
9395 (1- (point))
9396 (point-max))))
9397 (insert-buffer-substring gnus-original-article-buffer s e)
9398 (run-hooks 'gnus-article-decode-hook)
9399 (if hidden
9400 (let ((gnus-treat-hide-headers nil)
9401 (gnus-treat-hide-boring-headers nil))
9402 (gnus-delete-wash-type 'headers)
9403 (gnus-treat-article 'head))
9404 (gnus-treat-article 'head))
9405 (widen)
9406 (if window
9407 (set-window-start window (goto-char (point-min))))
9408 (if gnus-break-pages
9409 (gnus-narrow-to-page)
9410 (when (gnus-visual-p 'page-marker)
9411 (let ((buffer-read-only nil))
9412 (gnus-remove-text-with-property 'gnus-prev)
9413 (gnus-remove-text-with-property 'gnus-next))))
9414 (gnus-set-mode-line 'article)))))
9416 (defun gnus-summary-show-all-headers ()
9417 "Make all header lines visible."
9418 (interactive)
9419 (gnus-summary-toggle-header 1))
9421 (defun gnus-summary-caesar-message (&optional arg)
9422 "Caesar rotate the current article by 13.
9423 With a non-numerical prefix, also rotate headers. A numerical
9424 prefix specifies how many places to rotate each letter forward."
9425 (interactive "P")
9426 (gnus-summary-select-article)
9427 (let ((mail-header-separator ""))
9428 (gnus-eval-in-buffer-window gnus-article-buffer
9429 (save-restriction
9430 (widen)
9431 (let ((start (window-start))
9432 buffer-read-only)
9433 (if (equal arg '(4))
9434 (message-caesar-buffer-body nil t)
9435 (message-caesar-buffer-body arg))
9436 (set-window-start (get-buffer-window (current-buffer)) start)))))
9437 ;; Create buttons and stuff...
9438 (gnus-treat-article nil))
9440 (defun gnus-summary-idna-message (&optional arg)
9441 "Decode IDNA encoded domain names in the current articles.
9442 IDNA encoded domain names looks like `xn--bar'. If a string
9443 remain unencoded after running this function, it is likely an
9444 invalid IDNA string (`xn--bar' is invalid).
9446 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9447 installed for this command to work."
9448 (interactive "P")
9449 (if (not (and (condition-case nil (require 'idna)
9450 (file-error))
9451 (mm-coding-system-p 'utf-8)
9452 (executable-find (symbol-value 'idna-program))))
9453 (gnus-message
9454 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9455 (gnus-summary-select-article)
9456 (let ((mail-header-separator ""))
9457 (gnus-eval-in-buffer-window gnus-article-buffer
9458 (save-restriction
9459 (widen)
9460 (let ((start (window-start))
9461 buffer-read-only)
9462 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9463 (replace-match (idna-to-unicode (match-string 1))))
9464 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9466 (defun gnus-summary-morse-message (&optional arg)
9467 "Morse decode the current article."
9468 (interactive "P")
9469 (gnus-summary-select-article)
9470 (let ((mail-header-separator ""))
9471 (gnus-eval-in-buffer-window gnus-article-buffer
9472 (save-excursion
9473 (save-restriction
9474 (widen)
9475 (let ((pos (window-start))
9476 buffer-read-only)
9477 (goto-char (point-min))
9478 (when (message-goto-body)
9479 (gnus-narrow-to-body))
9480 (goto-char (point-min))
9481 (while (search-forward "·" (point-max) t)
9482 (replace-match "."))
9483 (unmorse-region (point-min) (point-max))
9484 (widen)
9485 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9487 (defun gnus-summary-stop-page-breaking ()
9488 "Stop page breaking in the current article."
9489 (interactive)
9490 (gnus-summary-select-article)
9491 (gnus-eval-in-buffer-window gnus-article-buffer
9492 (widen)
9493 (when (gnus-visual-p 'page-marker)
9494 (let ((buffer-read-only nil))
9495 (gnus-remove-text-with-property 'gnus-prev)
9496 (gnus-remove-text-with-property 'gnus-next))
9497 (setq gnus-page-broken nil))))
9499 (defun gnus-summary-move-article (&optional n to-newsgroup
9500 select-method action)
9501 "Move the current article to a different newsgroup.
9502 If N is a positive number, move the N next articles.
9503 If N is a negative number, move the N previous articles.
9504 If N is nil and any articles have been marked with the process mark,
9505 move those articles instead.
9506 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9507 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9508 re-spool using this method.
9510 When called interactively with TO-NEWSGROUP being nil, the value of
9511 the variable `gnus-move-split-methods' is used for finding a default
9512 for the target newsgroup.
9514 For this function to work, both the current newsgroup and the
9515 newsgroup that you want to move to have to support the `request-move'
9516 and `request-accept' functions.
9518 ACTION can be either `move' (the default), `crosspost' or `copy'."
9519 (interactive "P")
9520 (unless action
9521 (setq action 'move))
9522 ;; Check whether the source group supports the required functions.
9523 (cond ((and (eq action 'move)
9524 (not (gnus-check-backend-function
9525 'request-move-article gnus-newsgroup-name)))
9526 (error "The current group does not support article moving"))
9527 ((and (eq action 'crosspost)
9528 (not (gnus-check-backend-function
9529 'request-replace-article gnus-newsgroup-name)))
9530 (error "The current group does not support article editing")))
9531 (let ((articles (gnus-summary-work-articles n))
9532 (prefix (if (gnus-check-backend-function
9533 'request-move-article gnus-newsgroup-name)
9534 (funcall gnus-move-group-prefix-function
9535 gnus-newsgroup-name)
9536 ""))
9537 (names '((move "Move" "Moving")
9538 (copy "Copy" "Copying")
9539 (crosspost "Crosspost" "Crossposting")))
9540 (copy-buf (save-excursion
9541 (nnheader-set-temp-buffer " *copy article*")))
9542 art-group to-method new-xref article to-groups
9543 articles-to-update-marks encoded)
9544 (unless (assq action names)
9545 (error "Unknown action %s" action))
9546 ;; Read the newsgroup name.
9547 (when (and (not to-newsgroup)
9548 (not select-method))
9549 (if (and gnus-move-split-methods
9550 (not
9551 (and (memq gnus-current-article articles)
9552 (gnus-buffer-live-p gnus-original-article-buffer))))
9553 ;; When `gnus-move-split-methods' is non-nil, we have to
9554 ;; select an article to give `gnus-read-move-group-name' an
9555 ;; opportunity to suggest an appropriate default. However,
9556 ;; we needn't render or mark the article.
9557 (let ((gnus-display-mime-function nil)
9558 (gnus-article-prepare-hook nil)
9559 (gnus-mark-article-hook nil))
9560 (gnus-summary-select-article nil nil nil (car articles))))
9561 (setq to-newsgroup (gnus-read-move-group-name
9562 (cadr (assq action names))
9563 (symbol-value
9564 (intern (format "gnus-current-%s-group" action)))
9565 articles prefix)
9566 encoded to-newsgroup
9567 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9568 (set (intern (format "gnus-current-%s-group" action))
9569 (mm-decode-coding-string
9570 to-newsgroup
9571 (gnus-group-name-charset to-method to-newsgroup))))
9572 (unless to-method
9573 (setq to-method (or select-method
9574 (gnus-server-to-method
9575 (gnus-group-method to-newsgroup)))))
9576 (setq to-newsgroup
9577 (or encoded
9578 (and to-newsgroup
9579 (mm-encode-coding-string
9580 to-newsgroup
9581 (gnus-group-name-charset to-method to-newsgroup)))))
9582 ;; Check the method we are to move this article to...
9583 (unless (gnus-check-backend-function
9584 'request-accept-article (car to-method))
9585 (error "%s does not support article copying" (car to-method)))
9586 (unless (gnus-check-server to-method)
9587 (error "Can't open server %s" (car to-method)))
9588 (gnus-message 6 "%s to %s: %s..."
9589 (caddr (assq action names))
9590 (or (car select-method)
9591 (gnus-group-decoded-name to-newsgroup))
9592 articles)
9593 (while articles
9594 (setq article (pop articles))
9595 (setq
9596 art-group
9597 (cond
9598 ;; Move the article.
9599 ((eq action 'move)
9600 ;; Remove this article from future suppression.
9601 (gnus-dup-unsuppress-article article)
9602 (let* ((from-method (gnus-find-method-for-group
9603 gnus-newsgroup-name))
9604 (to-method (or select-method
9605 (gnus-find-method-for-group to-newsgroup)))
9606 (move-is-internal (gnus-method-equal from-method to-method)))
9607 (gnus-request-move-article
9608 article ; Article to move
9609 gnus-newsgroup-name ; From newsgroup
9610 (nth 1 (gnus-find-method-for-group
9611 gnus-newsgroup-name)) ; Server
9612 (list 'gnus-request-accept-article
9613 to-newsgroup (list 'quote select-method)
9614 (not articles) t) ; Accept form
9615 (not articles) ; Only save nov last time
9616 move-is-internal))) ; is this move internal?
9617 ;; Copy the article.
9618 ((eq action 'copy)
9619 (save-excursion
9620 (set-buffer copy-buf)
9621 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9622 (save-restriction
9623 (nnheader-narrow-to-headers)
9624 (dolist (hdr gnus-copy-article-ignored-headers)
9625 (message-remove-header hdr t)))
9626 (gnus-request-accept-article
9627 to-newsgroup select-method (not articles) t))))
9628 ;; Crosspost the article.
9629 ((eq action 'crosspost)
9630 (let ((xref (message-tokenize-header
9631 (mail-header-xref (gnus-summary-article-header article))
9632 " ")))
9633 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9634 ":" (number-to-string article)))
9635 (unless xref
9636 (setq xref (list (system-name))))
9637 (setq new-xref
9638 (concat
9639 (mapconcat 'identity
9640 (delete "Xref:" (delete new-xref xref))
9641 " ")
9642 " " new-xref))
9643 (save-excursion
9644 (set-buffer copy-buf)
9645 ;; First put the article in the destination group.
9646 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9647 (when (consp (setq art-group
9648 (gnus-request-accept-article
9649 to-newsgroup select-method (not articles) t)))
9650 (setq new-xref (concat new-xref " " (car art-group)
9652 (number-to-string (cdr art-group))))
9653 ;; Now we have the new Xrefs header, so we insert
9654 ;; it and replace the new article.
9655 (nnheader-replace-header "Xref" new-xref)
9656 (gnus-request-replace-article
9657 (cdr art-group) to-newsgroup (current-buffer) t)
9658 art-group))))))
9659 (cond
9660 ((not art-group)
9661 (gnus-message 1 "Couldn't %s article %s: %s"
9662 (cadr (assq action names)) article
9663 (nnheader-get-report (car to-method))))
9664 ((eq art-group 'junk)
9665 (when (eq action 'move)
9666 (gnus-summary-mark-article article gnus-canceled-mark)
9667 (gnus-message 4 "Deleted article %s" article)
9668 ;; run the delete hook
9669 (run-hook-with-args 'gnus-summary-article-delete-hook
9670 action
9671 (gnus-data-header
9672 (assoc article (gnus-data-list nil)))
9673 gnus-newsgroup-name nil
9674 select-method)))
9676 (let* ((pto-group (gnus-group-prefixed-name
9677 (car art-group) to-method))
9678 (info (gnus-get-info pto-group))
9679 (to-group (gnus-info-group info))
9680 to-marks)
9681 ;; Update the group that has been moved to.
9682 (when (and info
9683 (memq action '(move copy)))
9684 (unless (member to-group to-groups)
9685 (push to-group to-groups))
9687 (unless (memq article gnus-newsgroup-unreads)
9688 (push 'read to-marks)
9689 (gnus-info-set-read
9690 info (gnus-add-to-range (gnus-info-read info)
9691 (list (cdr art-group)))))
9693 ;; See whether the article is to be put in the cache.
9694 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9695 gnus-article-mark-lists
9696 (delete '(expirable . expire)
9697 (copy-sequence gnus-article-mark-lists))))
9698 (to-article (cdr art-group)))
9700 ;; Enter the article into the cache in the new group,
9701 ;; if that is required.
9702 (when gnus-use-cache
9703 (gnus-cache-possibly-enter-article
9704 to-group to-article
9705 (memq article gnus-newsgroup-marked)
9706 (memq article gnus-newsgroup-dormant)
9707 (memq article gnus-newsgroup-unreads)))
9709 (when gnus-preserve-marks
9710 ;; Copy any marks over to the new group.
9711 (when (and (equal to-group gnus-newsgroup-name)
9712 (not (memq article gnus-newsgroup-unreads)))
9713 ;; Mark this article as read in this group.
9714 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9715 (setcdr (gnus-active to-group) to-article)
9716 (setcdr gnus-newsgroup-active to-article))
9718 (while marks
9719 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9720 (when (memq article (symbol-value
9721 (intern (format "gnus-newsgroup-%s"
9722 (caar marks)))))
9723 (push (cdar marks) to-marks)
9724 ;; If the other group is the same as this group,
9725 ;; then we have to add the mark to the list.
9726 (when (equal to-group gnus-newsgroup-name)
9727 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9728 (cons to-article
9729 (symbol-value
9730 (intern (format "gnus-newsgroup-%s"
9731 (caar marks)))))))
9732 ;; Copy the marks to other group.
9733 (gnus-add-marked-articles
9734 to-group (cdar marks) (list to-article) info)))
9735 (setq marks (cdr marks)))
9737 (gnus-request-set-mark
9738 to-group (list (list (list to-article) 'add to-marks))))
9740 (gnus-dribble-enter
9741 (concat "(gnus-group-set-info '"
9742 (gnus-prin1-to-string (gnus-get-info to-group))
9743 ")"))))
9745 ;; Update the Xref header in this article to point to
9746 ;; the new crossposted article we have just created.
9747 (when (eq action 'crosspost)
9748 (save-excursion
9749 (set-buffer copy-buf)
9750 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9751 (nnheader-replace-header "Xref" new-xref)
9752 (gnus-request-replace-article
9753 article gnus-newsgroup-name (current-buffer) t)))
9755 ;; run the move/copy/crosspost/respool hook
9756 (run-hook-with-args 'gnus-summary-article-move-hook
9757 action
9758 (gnus-data-header
9759 (assoc article (gnus-data-list nil)))
9760 gnus-newsgroup-name
9761 to-newsgroup
9762 select-method))
9764 ;;;!!!Why is this necessary?
9765 (set-buffer gnus-summary-buffer)
9767 (gnus-summary-goto-subject article)
9768 (when (eq action 'move)
9769 (gnus-summary-mark-article article gnus-canceled-mark))))
9770 (push article articles-to-update-marks))
9772 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9773 ;; Re-activate all groups that have been moved to.
9774 (save-excursion
9775 (set-buffer gnus-group-buffer)
9776 (let ((gnus-group-marked to-groups))
9777 (gnus-group-get-new-news-this-group nil t)))
9779 (gnus-kill-buffer copy-buf)
9780 (gnus-summary-position-point)
9781 (gnus-set-mode-line 'summary)))
9783 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9784 "Copy the current article to some other group.
9785 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9786 When called interactively, if TO-NEWSGROUP is nil, use the value of
9787 the variable `gnus-move-split-methods' for finding a default target
9788 newsgroup.
9789 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9790 re-spool using this method."
9791 (interactive "P")
9792 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9794 (defun gnus-summary-crosspost-article (&optional n)
9795 "Crosspost the current article to some other group."
9796 (interactive "P")
9797 (gnus-summary-move-article n nil nil 'crosspost))
9799 (defcustom gnus-summary-respool-default-method nil
9800 "Default method type for respooling an article.
9801 If nil, use to the current newsgroup method."
9802 :type 'symbol
9803 :group 'gnus-summary-mail)
9805 (defcustom gnus-summary-display-while-building nil
9806 "If non-nil, show and update the summary buffer as it's being built.
9807 If the value is t, update the buffer after every line is inserted. If
9808 the value is an integer (N), update the display every N lines."
9809 :version "22.1"
9810 :group 'gnus-thread
9811 :type '(choice (const :tag "off" nil)
9812 number
9813 (const :tag "frequently" t)))
9815 (defun gnus-summary-respool-article (&optional n method)
9816 "Respool the current article.
9817 The article will be squeezed through the mail spooling process again,
9818 which means that it will be put in some mail newsgroup or other
9819 depending on `nnmail-split-methods'.
9820 If N is a positive number, respool the N next articles.
9821 If N is a negative number, respool the N previous articles.
9822 If N is nil and any articles have been marked with the process mark,
9823 respool those articles instead.
9825 Respooling can be done both from mail groups and \"real\" newsgroups.
9826 In the former case, the articles in question will be moved from the
9827 current group into whatever groups they are destined to. In the
9828 latter case, they will be copied into the relevant groups."
9829 (interactive
9830 (list current-prefix-arg
9831 (let* ((methods (gnus-methods-using 'respool))
9832 (methname
9833 (symbol-name (or gnus-summary-respool-default-method
9834 (car (gnus-find-method-for-group
9835 gnus-newsgroup-name)))))
9836 (method
9837 (gnus-completing-read-with-default
9838 methname "Backend to use when respooling"
9839 methods nil t nil 'gnus-mail-method-history))
9841 (cond
9842 ((zerop (length (setq ms (gnus-servers-using-backend
9843 (intern method)))))
9844 (list (intern method) ""))
9845 ((= 1 (length ms))
9846 (car ms))
9848 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9849 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9850 ms-alist))))))))
9851 (unless method
9852 (error "No method given for respooling"))
9853 (if (assoc (symbol-name
9854 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9855 (gnus-methods-using 'respool))
9856 (gnus-summary-move-article n nil method)
9857 (gnus-summary-copy-article n nil method)))
9859 (defun gnus-summary-import-article (file &optional edit)
9860 "Import an arbitrary file into a mail newsgroup."
9861 (interactive "fImport file: \nP")
9862 (let ((group gnus-newsgroup-name)
9863 (now (current-time))
9864 atts lines group-art)
9865 (unless (gnus-check-backend-function 'request-accept-article group)
9866 (error "%s does not support article importing" group))
9867 (or (file-readable-p file)
9868 (not (file-regular-p file))
9869 (error "Can't read %s" file))
9870 (save-excursion
9871 (set-buffer (gnus-get-buffer-create " *import file*"))
9872 (erase-buffer)
9873 (nnheader-insert-file-contents file)
9874 (goto-char (point-min))
9875 (if (nnheader-article-p)
9876 (save-restriction
9877 (goto-char (point-min))
9878 (search-forward "\n\n" nil t)
9879 (narrow-to-region (point-min) (1- (point)))
9880 (goto-char (point-min))
9881 (unless (re-search-forward "^date:" nil t)
9882 (goto-char (point-max))
9883 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9884 ;; This doesn't look like an article, so we fudge some headers.
9885 (setq atts (file-attributes file)
9886 lines (count-lines (point-min) (point-max)))
9887 (insert "From: " (read-string "From: ") "\n"
9888 "Subject: " (read-string "Subject: ") "\n"
9889 "Date: " (message-make-date (nth 5 atts)) "\n"
9890 "Message-ID: " (message-make-message-id) "\n"
9891 "Lines: " (int-to-string lines) "\n"
9892 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9893 (setq group-art (gnus-request-accept-article group nil t))
9894 (kill-buffer (current-buffer)))
9895 (setq gnus-newsgroup-active (gnus-activate-group group))
9896 (forward-line 1)
9897 (gnus-summary-goto-article (cdr group-art) nil t)
9898 (when edit
9899 (gnus-summary-edit-article))))
9901 (defun gnus-summary-create-article ()
9902 "Create an article in a mail newsgroup."
9903 (interactive)
9904 (let ((group gnus-newsgroup-name)
9905 (now (current-time))
9906 group-art)
9907 (unless (gnus-check-backend-function 'request-accept-article group)
9908 (error "%s does not support article importing" group))
9909 (save-excursion
9910 (set-buffer (gnus-get-buffer-create " *import file*"))
9911 (erase-buffer)
9912 (goto-char (point-min))
9913 ;; This doesn't look like an article, so we fudge some headers.
9914 (insert "From: " (read-string "From: ") "\n"
9915 "Subject: " (read-string "Subject: ") "\n"
9916 "Date: " (message-make-date now) "\n"
9917 "Message-ID: " (message-make-message-id) "\n")
9918 (setq group-art (gnus-request-accept-article group nil t))
9919 (kill-buffer (current-buffer)))
9920 (setq gnus-newsgroup-active (gnus-activate-group group))
9921 (forward-line 1)
9922 (gnus-summary-goto-article (cdr group-art) nil t)
9923 (gnus-summary-edit-article)))
9925 (defun gnus-summary-article-posted-p ()
9926 "Say whether the current (mail) article is available from news as well.
9927 This will be the case if the article has both been mailed and posted."
9928 (interactive)
9929 (let ((id (mail-header-references (gnus-summary-article-header)))
9930 (gnus-override-method (car (gnus-refer-article-methods))))
9931 (if (gnus-request-head id "")
9932 (gnus-message 2 "The current message was found on %s"
9933 gnus-override-method)
9934 (gnus-message 2 "The current message couldn't be found on %s"
9935 gnus-override-method)
9936 nil)))
9938 (defun gnus-summary-expire-articles (&optional now)
9939 "Expire all articles that are marked as expirable in the current group."
9940 (interactive)
9941 (when (and (not gnus-group-is-exiting-without-update-p)
9942 (gnus-check-backend-function
9943 'request-expire-articles gnus-newsgroup-name))
9944 ;; This backend supports expiry.
9945 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9946 (expirable (if total
9947 (progn
9948 ;; We need to update the info for
9949 ;; this group for `gnus-list-of-read-articles'
9950 ;; to give us the right answer.
9951 (gnus-run-hooks 'gnus-exit-group-hook)
9952 (gnus-summary-update-info)
9953 (gnus-list-of-read-articles gnus-newsgroup-name))
9954 (setq gnus-newsgroup-expirable
9955 (sort gnus-newsgroup-expirable '<))))
9956 (expiry-wait (if now 'immediate
9957 (gnus-group-find-parameter
9958 gnus-newsgroup-name 'expiry-wait)))
9959 (nnmail-expiry-target
9960 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9961 nnmail-expiry-target))
9963 (when expirable
9964 ;; There are expirable articles in this group, so we run them
9965 ;; through the expiry process.
9966 (gnus-message 6 "Expiring articles...")
9967 (unless (gnus-check-group gnus-newsgroup-name)
9968 (error "Can't open server for %s" gnus-newsgroup-name))
9969 ;; The list of articles that weren't expired is returned.
9970 (save-excursion
9971 (if expiry-wait
9972 (let ((nnmail-expiry-wait-function nil)
9973 (nnmail-expiry-wait expiry-wait))
9974 (setq es (gnus-request-expire-articles
9975 expirable gnus-newsgroup-name)))
9976 (setq es (gnus-request-expire-articles
9977 expirable gnus-newsgroup-name)))
9978 (unless total
9979 (setq gnus-newsgroup-expirable es))
9980 ;; We go through the old list of expirable, and mark all
9981 ;; really expired articles as nonexistent.
9982 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9983 (let ((gnus-use-cache nil))
9984 (dolist (article expirable)
9985 (when (and (not (memq article es))
9986 (gnus-data-find article))
9987 (gnus-summary-mark-article article gnus-canceled-mark)
9988 (run-hook-with-args 'gnus-summary-article-expire-hook
9989 'delete
9990 (gnus-data-header
9991 (assoc article (gnus-data-list nil)))
9992 gnus-newsgroup-name
9994 nil))))))
9995 (gnus-message 6 "Expiring articles...done")))))
9997 (defun gnus-summary-expire-articles-now ()
9998 "Expunge all expirable articles in the current group.
9999 This means that *all* articles that are marked as expirable will be
10000 deleted forever, right now."
10001 (interactive)
10002 (or gnus-expert-user
10003 (gnus-yes-or-no-p
10004 "Are you really, really sure you want to delete all expirable messages? ")
10005 (error "Phew!"))
10006 (gnus-summary-expire-articles t))
10008 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10009 (defun gnus-summary-delete-article (&optional n)
10010 "Delete the N next (mail) articles.
10011 This command actually deletes articles. This is not a marking
10012 command. The article will disappear forever from your life, never to
10013 return.
10015 If N is negative, delete backwards.
10016 If N is nil and articles have been marked with the process mark,
10017 delete these instead.
10019 If `gnus-novice-user' is non-nil you will be asked for
10020 confirmation before the articles are deleted."
10021 (interactive "P")
10022 (unless (gnus-check-backend-function 'request-expire-articles
10023 gnus-newsgroup-name)
10024 (error "The current newsgroup does not support article deletion"))
10025 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10026 (error "Couldn't open server"))
10027 ;; Compute the list of articles to delete.
10028 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10029 (nnmail-expiry-target 'delete)
10030 not-deleted)
10031 (if (and gnus-novice-user
10032 (not (gnus-yes-or-no-p
10033 (format "Do you really want to delete %s forever? "
10034 (if (> (length articles) 1)
10035 (format "these %s articles" (length articles))
10036 "this article")))))
10038 ;; Delete the articles.
10039 (setq not-deleted (gnus-request-expire-articles
10040 articles gnus-newsgroup-name 'force))
10041 (while articles
10042 (gnus-summary-remove-process-mark (car articles))
10043 ;; The backend might not have been able to delete the article
10044 ;; after all.
10045 (unless (memq (car articles) not-deleted)
10046 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
10047 (let* ((article (car articles))
10048 (ghead (gnus-data-header
10049 (assoc article (gnus-data-list nil)))))
10050 (run-hook-with-args 'gnus-summary-article-delete-hook
10051 'delete ghead gnus-newsgroup-name nil
10052 nil))
10053 (setq articles (cdr articles)))
10054 (when not-deleted
10055 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10056 (gnus-summary-position-point)
10057 (gnus-set-mode-line 'summary)
10058 not-deleted))
10060 (defun gnus-summary-edit-article (&optional arg)
10061 "Edit the current article.
10062 This will have permanent effect only in mail groups.
10063 If ARG is nil, edit the decoded articles.
10064 If ARG is 1, edit the raw articles.
10065 If ARG is 2, edit the raw articles even in read-only groups.
10066 If ARG is 3, edit the articles with the current handles.
10067 Otherwise, allow editing of articles even in read-only
10068 groups."
10069 (interactive "P")
10070 (let (force raw current-handles)
10071 (cond
10072 ((null arg))
10073 ((eq arg 1)
10074 (setq raw t))
10075 ((eq arg 2)
10076 (setq raw t
10077 force t))
10078 ((eq arg 3)
10079 (setq current-handles
10080 (and (gnus-buffer-live-p gnus-article-buffer)
10081 (with-current-buffer gnus-article-buffer
10082 (prog1
10083 gnus-article-mime-handles
10084 (setq gnus-article-mime-handles nil))))))
10086 (setq force t)))
10087 (when (and raw (not force)
10088 (member gnus-newsgroup-name '("nndraft:delayed"
10089 "nndraft:drafts"
10090 "nndraft:queue")))
10091 (error "Can't edit the raw article in group %s"
10092 gnus-newsgroup-name))
10093 (save-excursion
10094 (set-buffer gnus-summary-buffer)
10095 (let ((mail-parse-charset gnus-newsgroup-charset)
10096 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10097 (gnus-set-global-variables)
10098 (when (and (not force)
10099 (gnus-group-read-only-p))
10100 (error "The current newsgroup does not support article editing"))
10101 (gnus-summary-show-article t)
10102 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10103 (with-current-buffer gnus-article-buffer
10104 (mm-enable-multibyte)))
10105 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10106 (setq raw t))
10107 (gnus-article-edit-article
10108 (if raw 'ignore
10109 `(lambda ()
10110 (let ((mbl mml-buffer-list))
10111 (setq mml-buffer-list nil)
10112 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10113 (mime-to-mml ,'current-handles))
10114 (let ((mbl1 mml-buffer-list))
10115 (setq mml-buffer-list mbl)
10116 (set (make-local-variable 'mml-buffer-list) mbl1))
10117 (gnus-make-local-hook 'kill-buffer-hook)
10118 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10119 `(lambda (no-highlight)
10120 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10121 (message-options message-options)
10122 (message-options-set-recipient)
10123 (mail-parse-ignored-charsets
10124 ',gnus-newsgroup-ignored-charsets)
10125 (rfc2047-header-encoding-alist
10126 ',(let ((charset (gnus-group-name-charset
10127 (gnus-find-method-for-group
10128 gnus-newsgroup-name)
10129 gnus-newsgroup-name)))
10130 (append (list (cons "Newsgroups" charset)
10131 (cons "Followup-To" charset)
10132 (cons "Xref" charset))
10133 rfc2047-header-encoding-alist))))
10134 ,(if (not raw) '(progn
10135 (mml-to-mime)
10136 (mml-destroy-buffers)
10137 (remove-hook 'kill-buffer-hook
10138 'mml-destroy-buffers t)
10139 (kill-local-variable 'mml-buffer-list)))
10140 (gnus-summary-edit-article-done
10141 ,(or (mail-header-references gnus-current-headers) "")
10142 ,(gnus-group-read-only-p)
10143 ,gnus-summary-buffer no-highlight))))))))
10145 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10147 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10148 no-highlight)
10149 "Make edits to the current article permanent."
10150 (interactive)
10151 (save-excursion
10152 ;; The buffer restriction contains the entire article if it exists.
10153 (when (article-goto-body)
10154 (let ((lines (count-lines (point) (point-max)))
10155 (length (- (point-max) (point)))
10156 (case-fold-search t)
10157 (body (copy-marker (point))))
10158 (goto-char (point-min))
10159 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10160 (delete-region (match-beginning 1) (match-end 1))
10161 (insert (number-to-string length)))
10162 (goto-char (point-min))
10163 (when (re-search-forward
10164 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10165 (delete-region (match-beginning 1) (match-end 1))
10166 (insert (number-to-string length)))
10167 (goto-char (point-min))
10168 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10169 (delete-region (match-beginning 1) (match-end 1))
10170 (insert (number-to-string lines))))))
10171 ;; Replace the article.
10172 (let ((buf (current-buffer)))
10173 (with-temp-buffer
10174 (insert-buffer-substring buf)
10176 (if (and (not read-only)
10177 (not (gnus-request-replace-article
10178 (cdr gnus-article-current) (car gnus-article-current)
10179 (current-buffer) t)))
10180 (error "Couldn't replace article")
10181 ;; Update the summary buffer.
10182 (if (and references
10183 (equal (message-tokenize-header references " ")
10184 (message-tokenize-header
10185 (or (message-fetch-field "references") "") " ")))
10186 ;; We only have to update this line.
10187 (save-excursion
10188 (save-restriction
10189 (message-narrow-to-head)
10190 (let ((head (buffer-substring-no-properties
10191 (point-min) (point-max)))
10192 header)
10193 (with-temp-buffer
10194 (insert (format "211 %d Article retrieved.\n"
10195 (cdr gnus-article-current)))
10196 (insert head)
10197 (insert ".\n")
10198 (let ((nntp-server-buffer (current-buffer)))
10199 (setq header (car (gnus-get-newsgroup-headers
10200 nil t))))
10201 (save-excursion
10202 (set-buffer gnus-summary-buffer)
10203 (gnus-data-set-header
10204 (gnus-data-find (cdr gnus-article-current))
10205 header)
10206 (gnus-summary-update-article-line
10207 (cdr gnus-article-current) header)
10208 (if (gnus-summary-goto-subject
10209 (cdr gnus-article-current) nil t)
10210 (gnus-summary-update-secondary-mark
10211 (cdr gnus-article-current))))))))
10212 ;; Update threads.
10213 (set-buffer (or buffer gnus-summary-buffer))
10214 (gnus-summary-update-article (cdr gnus-article-current))
10215 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10216 (gnus-summary-update-secondary-mark
10217 (cdr gnus-article-current))))
10218 ;; Prettify the article buffer again.
10219 (unless no-highlight
10220 (save-excursion
10221 (set-buffer gnus-article-buffer)
10222 ;;;!!! Fix this -- article should be rehighlighted.
10223 ;;;(gnus-run-hooks 'gnus-article-display-hook)
10224 (set-buffer gnus-original-article-buffer)
10225 (gnus-request-article
10226 (cdr gnus-article-current)
10227 (car gnus-article-current) (current-buffer))))
10228 ;; Prettify the summary buffer line.
10229 (when (gnus-visual-p 'summary-highlight 'highlight)
10230 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10232 (defun gnus-summary-edit-wash (key)
10233 "Perform editing command KEY in the article buffer."
10234 (interactive
10235 (list
10236 (progn
10237 (message "%s" (concat (this-command-keys) "- "))
10238 (read-char))))
10239 (message "")
10240 (gnus-summary-edit-article)
10241 (execute-kbd-macro (concat (this-command-keys) key))
10242 (gnus-article-edit-done))
10244 ;;; Respooling
10246 (defun gnus-summary-respool-query (&optional silent trace)
10247 "Query where the respool algorithm would put this article."
10248 (interactive)
10249 (let (gnus-mark-article-hook)
10250 (gnus-summary-select-article)
10251 (save-excursion
10252 (set-buffer gnus-original-article-buffer)
10253 (let ((groups (nnmail-article-group 'identity trace)))
10254 (unless silent
10255 (if groups
10256 (message "This message would go to %s"
10257 (mapconcat 'car groups ", "))
10258 (message "This message would go to no groups"))
10259 groups)))))
10261 (defun gnus-summary-respool-trace ()
10262 "Trace where the respool algorithm would put this article.
10263 Display a buffer showing all fancy splitting patterns which matched."
10264 (interactive)
10265 (gnus-summary-respool-query nil t))
10267 ;; Summary marking commands.
10269 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10270 "Mark articles which has the same subject as read, and then select the next.
10271 If UNMARK is positive, remove any kind of mark.
10272 If UNMARK is negative, tick articles."
10273 (interactive "P")
10274 (when unmark
10275 (setq unmark (prefix-numeric-value unmark)))
10276 (let ((count
10277 (gnus-summary-mark-same-subject
10278 (gnus-summary-article-subject) unmark)))
10279 ;; Select next unread article. If auto-select-same mode, should
10280 ;; select the first unread article.
10281 (gnus-summary-next-article t (and gnus-auto-select-same
10282 (gnus-summary-article-subject)))
10283 (gnus-message 7 "%d article%s marked as %s"
10284 count (if (= count 1) " is" "s are")
10285 (if unmark "unread" "read"))))
10287 (defun gnus-summary-kill-same-subject (&optional unmark)
10288 "Mark articles which has the same subject as read.
10289 If UNMARK is positive, remove any kind of mark.
10290 If UNMARK is negative, tick articles."
10291 (interactive "P")
10292 (when unmark
10293 (setq unmark (prefix-numeric-value unmark)))
10294 (let ((count
10295 (gnus-summary-mark-same-subject
10296 (gnus-summary-article-subject) unmark)))
10297 ;; If marked as read, go to next unread subject.
10298 (when (null unmark)
10299 ;; Go to next unread subject.
10300 (gnus-summary-next-subject 1 t))
10301 (gnus-message 7 "%d articles are marked as %s"
10302 count (if unmark "unread" "read"))))
10304 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10305 "Mark articles with same SUBJECT as read, and return marked number.
10306 If optional argument UNMARK is positive, remove any kinds of marks.
10307 If optional argument UNMARK is negative, mark articles as unread instead."
10308 (let ((count 1))
10309 (save-excursion
10310 (cond
10311 ((null unmark) ; Mark as read.
10312 (while (and
10313 (progn
10314 (gnus-summary-mark-article-as-read gnus-killed-mark)
10315 (gnus-summary-show-thread) t)
10316 (gnus-summary-find-subject subject))
10317 (setq count (1+ count))))
10318 ((> unmark 0) ; Tick.
10319 (while (and
10320 (progn
10321 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10322 (gnus-summary-show-thread) t)
10323 (gnus-summary-find-subject subject))
10324 (setq count (1+ count))))
10325 (t ; Mark as unread.
10326 (while (and
10327 (progn
10328 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10329 (gnus-summary-show-thread) t)
10330 (gnus-summary-find-subject subject))
10331 (setq count (1+ count)))))
10332 (gnus-set-mode-line 'summary)
10333 ;; Return the number of marked articles.
10334 count)))
10336 (defun gnus-summary-mark-as-processable (n &optional unmark)
10337 "Set the process mark on the next N articles.
10338 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10339 the process mark instead. The difference between N and the actual
10340 number of articles marked is returned."
10341 (interactive "P")
10342 (if (and (null n) (gnus-region-active-p))
10343 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10344 (setq n (prefix-numeric-value n))
10345 (let ((backward (< n 0))
10346 (n (abs n)))
10347 (while (and
10348 (> n 0)
10349 (if unmark
10350 (gnus-summary-remove-process-mark
10351 (gnus-summary-article-number))
10352 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10353 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10354 (setq n (1- n)))
10355 (when (/= 0 n)
10356 (gnus-message 7 "No more articles"))
10357 (gnus-summary-recenter)
10358 (gnus-summary-position-point)
10359 n)))
10361 (defun gnus-summary-unmark-as-processable (n)
10362 "Remove the process mark from the next N articles.
10363 If N is negative, unmark backward instead. The difference between N and
10364 the actual number of articles unmarked is returned."
10365 (interactive "P")
10366 (gnus-summary-mark-as-processable n t))
10368 (defun gnus-summary-unmark-all-processable ()
10369 "Remove the process mark from all articles."
10370 (interactive)
10371 (save-excursion
10372 (while gnus-newsgroup-processable
10373 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10374 (gnus-summary-position-point))
10376 (defun gnus-summary-add-mark (article type)
10377 "Mark ARTICLE with a mark of TYPE."
10378 (let ((vtype (car (assq type gnus-article-mark-lists)))
10379 var)
10380 (if (not vtype)
10381 (error "No such mark type: %s" type)
10382 (setq var (intern (format "gnus-newsgroup-%s" type)))
10383 (set var (cons article (symbol-value var)))
10384 (if (memq type '(processable cached replied forwarded recent saved))
10385 (gnus-summary-update-secondary-mark article)
10386 ;;; !!! This is bogus. We should find out what primary
10387 ;;; !!! mark we want to set.
10388 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10390 (defun gnus-summary-mark-as-expirable (n)
10391 "Mark N articles forward as expirable.
10392 If N is negative, mark backward instead. The difference between N and
10393 the actual number of articles marked is returned."
10394 (interactive "p")
10395 (gnus-summary-mark-forward n gnus-expirable-mark))
10397 (defun gnus-summary-mark-as-spam (n)
10398 "Mark N articles forward as spam.
10399 If N is negative, mark backward instead. The difference between N and
10400 the actual number of articles marked is returned."
10401 (interactive "p")
10402 (gnus-summary-mark-forward n gnus-spam-mark))
10404 (defun gnus-summary-mark-article-as-replied (article)
10405 "Mark ARTICLE as replied to and update the summary line.
10406 ARTICLE can also be a list of articles."
10407 (interactive (list (gnus-summary-article-number)))
10408 (let ((articles (if (listp article) article (list article))))
10409 (dolist (article articles)
10410 (unless (numberp article)
10411 (error "%s is not a number" article))
10412 (push article gnus-newsgroup-replied)
10413 (let ((buffer-read-only nil))
10414 (when (gnus-summary-goto-subject article nil t)
10415 (gnus-summary-update-secondary-mark article))))))
10417 (defun gnus-summary-mark-article-as-forwarded (article)
10418 "Mark ARTICLE as forwarded and update the summary line.
10419 ARTICLE can also be a list of articles."
10420 (let ((articles (if (listp article) article (list article))))
10421 (dolist (article articles)
10422 (push article gnus-newsgroup-forwarded)
10423 (let ((buffer-read-only nil))
10424 (when (gnus-summary-goto-subject article nil t)
10425 (gnus-summary-update-secondary-mark article))))))
10427 (defun gnus-summary-set-bookmark (article)
10428 "Set a bookmark in current article."
10429 (interactive (list (gnus-summary-article-number)))
10430 (when (or (not (get-buffer gnus-article-buffer))
10431 (not gnus-current-article)
10432 (not gnus-article-current)
10433 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10434 (error "No current article selected"))
10435 ;; Remove old bookmark, if one exists.
10436 (gnus-pull article gnus-newsgroup-bookmarks)
10437 ;; Set the new bookmark, which is on the form
10438 ;; (article-number . line-number-in-body).
10439 (push
10440 (cons article
10441 (with-current-buffer gnus-article-buffer
10442 (count-lines
10443 (min (point)
10444 (save-excursion
10445 (article-goto-body)
10446 (point)))
10447 (point))))
10448 gnus-newsgroup-bookmarks)
10449 (gnus-message 6 "A bookmark has been added to the current article."))
10451 (defun gnus-summary-remove-bookmark (article)
10452 "Remove the bookmark from the current article."
10453 (interactive (list (gnus-summary-article-number)))
10454 ;; Remove old bookmark, if one exists.
10455 (if (not (assq article gnus-newsgroup-bookmarks))
10456 (gnus-message 6 "No bookmark in current article.")
10457 (gnus-pull article gnus-newsgroup-bookmarks)
10458 (gnus-message 6 "Removed bookmark.")))
10460 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10461 (defun gnus-summary-mark-as-dormant (n)
10462 "Mark N articles forward as dormant.
10463 If N is negative, mark backward instead. The difference between N and
10464 the actual number of articles marked is returned."
10465 (interactive "p")
10466 (gnus-summary-mark-forward n gnus-dormant-mark))
10468 (defun gnus-summary-set-process-mark (article)
10469 "Set the process mark on ARTICLE and update the summary line."
10470 (setq gnus-newsgroup-processable
10471 (cons article
10472 (delq article gnus-newsgroup-processable)))
10473 (when (gnus-summary-goto-subject article)
10474 (gnus-summary-show-thread)
10475 (gnus-summary-goto-subject article)
10476 (gnus-summary-update-secondary-mark article)))
10478 (defun gnus-summary-remove-process-mark (&rest articles)
10479 "Remove the process mark from ARTICLES and update the summary line."
10480 (dolist (article articles)
10481 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10482 (when (gnus-summary-goto-subject article)
10483 (gnus-summary-show-thread)
10484 (gnus-summary-goto-subject article)
10485 (gnus-summary-update-secondary-mark article)))
10488 (defun gnus-summary-set-saved-mark (article)
10489 "Set the process mark on ARTICLE and update the summary line."
10490 (push article gnus-newsgroup-saved)
10491 (when (gnus-summary-goto-subject article)
10492 (gnus-summary-update-secondary-mark article)))
10494 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10495 "Mark N articles as read forwards.
10496 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10497 The difference between N and the actual number of articles marked is
10498 returned.
10499 If NO-EXPIRE, auto-expiry will be inhibited."
10500 (interactive "p")
10501 (gnus-summary-show-thread)
10502 (let ((backward (< n 0))
10503 (gnus-summary-goto-unread
10504 (and gnus-summary-goto-unread
10505 (not (eq gnus-summary-goto-unread 'never))
10506 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10507 gnus-ticked-mark gnus-dormant-mark)))))
10508 (n (abs n))
10509 (mark (or mark gnus-del-mark)))
10510 (while (and (> n 0)
10511 (gnus-summary-mark-article nil mark no-expire)
10512 (zerop (gnus-summary-next-subject
10513 (if backward -1 1)
10514 (and gnus-summary-goto-unread
10515 (not (eq gnus-summary-goto-unread 'never)))
10516 t)))
10517 (setq n (1- n)))
10518 (when (/= 0 n)
10519 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10520 (gnus-summary-recenter)
10521 (gnus-summary-position-point)
10522 (gnus-set-mode-line 'summary)
10525 (defun gnus-summary-mark-article-as-read (mark)
10526 "Mark the current article quickly as read with MARK."
10527 (let ((article (gnus-summary-article-number)))
10528 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10529 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10530 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10531 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10532 (push (cons article mark) gnus-newsgroup-reads)
10533 ;; Possibly remove from cache, if that is used.
10534 (when gnus-use-cache
10535 (gnus-cache-enter-remove-article article))
10536 ;; Allow the backend to change the mark.
10537 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10538 ;; Check for auto-expiry.
10539 (when (and gnus-newsgroup-auto-expire
10540 (memq mark gnus-auto-expirable-marks))
10541 (setq mark gnus-expirable-mark)
10542 ;; Let the backend know about the mark change.
10543 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10544 (push article gnus-newsgroup-expirable))
10545 ;; Set the mark in the buffer.
10546 (gnus-summary-update-mark mark 'unread)
10549 (defun gnus-summary-mark-article-as-unread (mark)
10550 "Mark the current article quickly as unread with MARK."
10551 (let* ((article (gnus-summary-article-number))
10552 (old-mark (gnus-summary-article-mark article)))
10553 ;; Allow the backend to change the mark.
10554 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10555 (if (eq mark old-mark)
10557 (if (<= article 0)
10558 (progn
10559 (gnus-error 1 "Can't mark negative article numbers")
10560 nil)
10561 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10562 (setq gnus-newsgroup-spam-marked
10563 (delq article gnus-newsgroup-spam-marked))
10564 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10565 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10566 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10567 (cond ((= mark gnus-ticked-mark)
10568 (setq gnus-newsgroup-marked
10569 (gnus-add-to-sorted-list gnus-newsgroup-marked
10570 article)))
10571 ((= mark gnus-spam-mark)
10572 (setq gnus-newsgroup-spam-marked
10573 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10574 article)))
10575 ((= mark gnus-dormant-mark)
10576 (setq gnus-newsgroup-dormant
10577 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10578 article)))
10580 (setq gnus-newsgroup-unreads
10581 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10582 article))))
10583 (gnus-pull article gnus-newsgroup-reads)
10585 ;; See whether the article is to be put in the cache.
10586 (and gnus-use-cache
10587 (vectorp (gnus-summary-article-header article))
10588 (save-excursion
10589 (gnus-cache-possibly-enter-article
10590 gnus-newsgroup-name article
10591 (= mark gnus-ticked-mark)
10592 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10594 ;; Fix the mark.
10595 (gnus-summary-update-mark mark 'unread)
10596 t))))
10598 (defun gnus-summary-mark-article (&optional article mark no-expire)
10599 "Mark ARTICLE with MARK. MARK can be any character.
10600 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10601 `??' (dormant) and `?E' (expirable).
10602 If MARK is nil, then the default character `?r' is used.
10603 If ARTICLE is nil, then the article on the current line will be
10604 marked.
10605 If NO-EXPIRE, auto-expiry will be inhibited."
10606 ;; The mark might be a string.
10607 (when (stringp mark)
10608 (setq mark (aref mark 0)))
10609 ;; If no mark is given, then we check auto-expiring.
10610 (when (null mark)
10611 (setq mark gnus-del-mark))
10612 (when (and (not no-expire)
10613 gnus-newsgroup-auto-expire
10614 (memq mark gnus-auto-expirable-marks))
10615 (setq mark gnus-expirable-mark))
10616 (let ((article (or article (gnus-summary-article-number)))
10617 (old-mark (gnus-summary-article-mark article)))
10618 ;; Allow the backend to change the mark.
10619 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10620 (if (eq mark old-mark)
10622 (unless article
10623 (error "No article on current line"))
10624 (if (not (if (or (= mark gnus-unread-mark)
10625 (= mark gnus-ticked-mark)
10626 (= mark gnus-spam-mark)
10627 (= mark gnus-dormant-mark))
10628 (gnus-mark-article-as-unread article mark)
10629 (gnus-mark-article-as-read article mark)))
10631 ;; See whether the article is to be put in the cache.
10632 (and gnus-use-cache
10633 (not (= mark gnus-canceled-mark))
10634 (vectorp (gnus-summary-article-header article))
10635 (save-excursion
10636 (gnus-cache-possibly-enter-article
10637 gnus-newsgroup-name article
10638 (= mark gnus-ticked-mark)
10639 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10641 (when (gnus-summary-goto-subject article nil t)
10642 (let ((buffer-read-only nil))
10643 (gnus-summary-show-thread)
10644 ;; Fix the mark.
10645 (gnus-summary-update-mark mark 'unread)
10646 t))))))
10648 (defun gnus-summary-update-secondary-mark (article)
10649 "Update the secondary (read, process, cache) mark."
10650 (gnus-summary-update-mark
10651 (cond ((memq article gnus-newsgroup-processable)
10652 gnus-process-mark)
10653 ((memq article gnus-newsgroup-cached)
10654 gnus-cached-mark)
10655 ((memq article gnus-newsgroup-replied)
10656 gnus-replied-mark)
10657 ((memq article gnus-newsgroup-forwarded)
10658 gnus-forwarded-mark)
10659 ((memq article gnus-newsgroup-saved)
10660 gnus-saved-mark)
10661 ((memq article gnus-newsgroup-recent)
10662 gnus-recent-mark)
10663 ((memq article gnus-newsgroup-unseen)
10664 gnus-unseen-mark)
10665 (t gnus-no-mark))
10666 'replied)
10667 (when (gnus-visual-p 'summary-highlight 'highlight)
10668 (gnus-run-hooks 'gnus-summary-update-hook))
10671 (defun gnus-summary-update-download-mark (article)
10672 "Update the download mark."
10673 (gnus-summary-update-mark
10674 (cond ((memq article gnus-newsgroup-undownloaded)
10675 gnus-undownloaded-mark)
10676 (gnus-newsgroup-agentized
10677 gnus-downloaded-mark)
10679 gnus-no-mark))
10680 'download)
10681 (gnus-summary-update-line t)
10684 (defun gnus-summary-update-mark (mark type)
10685 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10686 (buffer-read-only nil))
10687 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10688 (when forward
10689 (when (looking-at "\r")
10690 (incf forward))
10691 (when (<= (+ forward (point)) (point-max))
10692 ;; Go to the right position on the line.
10693 (goto-char (+ forward (point)))
10694 ;; Replace the old mark with the new mark.
10695 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10696 ;; Optionally update the marks by some user rule.
10697 (when (eq type 'unread)
10698 (gnus-data-set-mark
10699 (gnus-data-find (gnus-summary-article-number)) mark)
10700 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10702 (defun gnus-mark-article-as-read (article &optional mark)
10703 "Enter ARTICLE in the pertinent lists and remove it from others."
10704 ;; Make the article expirable.
10705 (let ((mark (or mark gnus-del-mark)))
10706 (setq gnus-newsgroup-expirable
10707 (if (= mark gnus-expirable-mark)
10708 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10709 (delq article gnus-newsgroup-expirable)))
10710 ;; Remove from unread and marked lists.
10711 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10712 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10713 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10714 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10715 (push (cons article mark) gnus-newsgroup-reads)
10716 ;; Possibly remove from cache, if that is used.
10717 (when gnus-use-cache
10718 (gnus-cache-enter-remove-article article))
10721 (defun gnus-mark-article-as-unread (article &optional mark)
10722 "Enter ARTICLE in the pertinent lists and remove it from others."
10723 (let ((mark (or mark gnus-ticked-mark)))
10724 (if (<= article 0)
10725 (progn
10726 (gnus-error 1 "Can't mark negative article numbers")
10727 nil)
10728 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10729 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10730 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10731 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10732 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10734 ;; Unsuppress duplicates?
10735 (when gnus-suppress-duplicates
10736 (gnus-dup-unsuppress-article article))
10738 (cond ((= mark gnus-ticked-mark)
10739 (setq gnus-newsgroup-marked
10740 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10741 ((= mark gnus-spam-mark)
10742 (setq gnus-newsgroup-spam-marked
10743 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10744 article)))
10745 ((= mark gnus-dormant-mark)
10746 (setq gnus-newsgroup-dormant
10747 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10749 (setq gnus-newsgroup-unreads
10750 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10751 (gnus-pull article gnus-newsgroup-reads)
10752 t)))
10754 (defalias 'gnus-summary-mark-as-unread-forward
10755 'gnus-summary-tick-article-forward)
10756 (make-obsolete 'gnus-summary-mark-as-unread-forward
10757 'gnus-summary-tick-article-forward)
10758 (defun gnus-summary-tick-article-forward (n)
10759 "Tick N articles forwards.
10760 If N is negative, tick backwards instead.
10761 The difference between N and the number of articles ticked is returned."
10762 (interactive "p")
10763 (gnus-summary-mark-forward n gnus-ticked-mark))
10765 (defalias 'gnus-summary-mark-as-unread-backward
10766 'gnus-summary-tick-article-backward)
10767 (make-obsolete 'gnus-summary-mark-as-unread-backward
10768 'gnus-summary-tick-article-backward)
10769 (defun gnus-summary-tick-article-backward (n)
10770 "Tick N articles backwards.
10771 The difference between N and the number of articles ticked is returned."
10772 (interactive "p")
10773 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10775 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10776 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10777 (defun gnus-summary-tick-article (&optional article clear-mark)
10778 "Mark current article as unread.
10779 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10780 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10781 (interactive)
10782 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10783 gnus-ticked-mark)))
10785 (defun gnus-summary-mark-as-read-forward (n)
10786 "Mark N articles as read forwards.
10787 If N is negative, mark backwards instead.
10788 The difference between N and the actual number of articles marked is
10789 returned."
10790 (interactive "p")
10791 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10793 (defun gnus-summary-mark-as-read-backward (n)
10794 "Mark the N articles as read backwards.
10795 The difference between N and the actual number of articles marked is
10796 returned."
10797 (interactive "p")
10798 (gnus-summary-mark-forward
10799 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10801 (defun gnus-summary-mark-as-read (&optional article mark)
10802 "Mark current article as read.
10803 ARTICLE specifies the article to be marked as read.
10804 MARK specifies a string to be inserted at the beginning of the line."
10805 (gnus-summary-mark-article article mark))
10807 (defun gnus-summary-clear-mark-forward (n)
10808 "Clear marks from N articles forward.
10809 If N is negative, clear backward instead.
10810 The difference between N and the number of marks cleared is returned."
10811 (interactive "p")
10812 (gnus-summary-mark-forward n gnus-unread-mark))
10814 (defun gnus-summary-clear-mark-backward (n)
10815 "Clear marks from N articles backward.
10816 The difference between N and the number of marks cleared is returned."
10817 (interactive "p")
10818 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10820 (defun gnus-summary-mark-unread-as-read ()
10821 "Intended to be used by `gnus-summary-mark-article-hook'."
10822 (when (memq gnus-current-article gnus-newsgroup-unreads)
10823 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10825 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10826 "Intended to be used by `gnus-summary-mark-article-hook'."
10827 (let ((mark (gnus-summary-article-mark)))
10828 (when (or (gnus-unread-mark-p mark)
10829 (gnus-read-mark-p mark))
10830 (gnus-summary-mark-article gnus-current-article
10831 (or new-mark gnus-read-mark)))))
10833 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10834 "Intended to be used by `gnus-summary-mark-article-hook'."
10835 (let ((mark (gnus-summary-article-mark)))
10836 (when (or (gnus-unread-mark-p mark)
10837 (gnus-read-mark-p mark))
10838 (gnus-summary-mark-article (gnus-summary-article-number)
10839 (or new-mark gnus-read-mark)))))
10841 (defun gnus-summary-mark-unread-as-ticked ()
10842 "Intended to be used by `gnus-summary-mark-article-hook'."
10843 (when (memq gnus-current-article gnus-newsgroup-unreads)
10844 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10846 (defun gnus-summary-mark-region-as-read (point mark all)
10847 "Mark all unread articles between point and mark as read.
10848 If given a prefix, mark all articles between point and mark as read,
10849 even ticked and dormant ones."
10850 (interactive "r\nP")
10851 (save-excursion
10852 (let (article)
10853 (goto-char point)
10854 (beginning-of-line)
10855 (while (and
10856 (< (point) mark)
10857 (progn
10858 (when (or all
10859 (memq (setq article (gnus-summary-article-number))
10860 gnus-newsgroup-unreads))
10861 (gnus-summary-mark-article article gnus-del-mark))
10863 (gnus-summary-find-next))))))
10865 (defun gnus-summary-mark-below (score mark)
10866 "Mark articles with score less than SCORE with MARK."
10867 (interactive "P\ncMark: ")
10868 (setq score (if score
10869 (prefix-numeric-value score)
10870 (or gnus-summary-default-score 0)))
10871 (save-excursion
10872 (set-buffer gnus-summary-buffer)
10873 (goto-char (point-min))
10874 (while
10875 (progn
10876 (and (< (gnus-summary-article-score) score)
10877 (gnus-summary-mark-article nil mark))
10878 (gnus-summary-find-next)))))
10880 (defun gnus-summary-kill-below (&optional score)
10881 "Mark articles with score below SCORE as read."
10882 (interactive "P")
10883 (gnus-summary-mark-below score gnus-killed-mark))
10885 (defun gnus-summary-clear-above (&optional score)
10886 "Clear all marks from articles with score above SCORE."
10887 (interactive "P")
10888 (gnus-summary-mark-above score gnus-unread-mark))
10890 (defun gnus-summary-tick-above (&optional score)
10891 "Tick all articles with score above SCORE."
10892 (interactive "P")
10893 (gnus-summary-mark-above score gnus-ticked-mark))
10895 (defun gnus-summary-mark-above (score mark)
10896 "Mark articles with score over SCORE with MARK."
10897 (interactive "P\ncMark: ")
10898 (setq score (if score
10899 (prefix-numeric-value score)
10900 (or gnus-summary-default-score 0)))
10901 (save-excursion
10902 (set-buffer gnus-summary-buffer)
10903 (goto-char (point-min))
10904 (while (and (progn
10905 (when (> (gnus-summary-article-score) score)
10906 (gnus-summary-mark-article nil mark))
10908 (gnus-summary-find-next)))))
10910 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10911 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10912 (defun gnus-summary-limit-include-expunged (&optional no-error)
10913 "Display all the hidden articles that were expunged for low scores."
10914 (interactive)
10915 (let ((buffer-read-only nil))
10916 (let ((scored gnus-newsgroup-scored)
10917 headers h)
10918 (while scored
10919 (unless (gnus-summary-article-header (caar scored))
10920 (and (setq h (gnus-number-to-header (caar scored)))
10921 (< (cdar scored) gnus-summary-expunge-below)
10922 (push h headers)))
10923 (setq scored (cdr scored)))
10924 (if (not headers)
10925 (when (not no-error)
10926 (error "No expunged articles hidden"))
10927 (goto-char (point-min))
10928 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10929 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10930 (dolist (x headers)
10931 (push (mail-header-number x) gnus-newsgroup-limit))
10932 (gnus-summary-prepare-unthreaded (nreverse headers))
10933 (goto-char (point-min))
10934 (gnus-summary-position-point)
10935 t))))
10937 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10938 "Mark all unread articles in this newsgroup as read.
10939 If prefix argument ALL is non-nil, ticked and dormant articles will
10940 also be marked as read.
10941 If QUIETLY is non-nil, no questions will be asked.
10943 If TO-HERE is non-nil, it should be a point in the buffer. All
10944 articles before (after, if REVERSE is set) this point will be marked
10945 as read.
10947 Note that this function will only catch up the unread article
10948 in the current summary buffer limitation.
10950 The number of articles marked as read is returned."
10951 (interactive "P")
10952 (prog1
10953 (save-excursion
10954 (when (or quietly
10955 (not gnus-interactive-catchup) ;Without confirmation?
10956 gnus-expert-user
10957 (gnus-y-or-n-p
10958 (if all
10959 "Mark absolutely all articles as read? "
10960 "Mark all unread articles as read? ")))
10961 (if (and not-mark
10962 (not gnus-newsgroup-adaptive)
10963 (not gnus-newsgroup-auto-expire)
10964 (not gnus-suppress-duplicates)
10965 (or (not gnus-use-cache)
10966 (eq gnus-use-cache 'passive)))
10967 (progn
10968 (when all
10969 (setq gnus-newsgroup-marked nil
10970 gnus-newsgroup-spam-marked nil
10971 gnus-newsgroup-dormant nil))
10972 (setq gnus-newsgroup-unreads
10973 (gnus-sorted-nunion
10974 (gnus-sorted-intersection gnus-newsgroup-unreads
10975 gnus-newsgroup-downloadable)
10976 (gnus-sorted-difference gnus-newsgroup-unfetched
10977 gnus-newsgroup-cached))))
10978 ;; We actually mark all articles as canceled, which we
10979 ;; have to do when using auto-expiry or adaptive scoring.
10980 (gnus-summary-show-all-threads)
10981 (if (and to-here reverse)
10982 (progn
10983 (goto-char to-here)
10984 (gnus-summary-mark-current-read-and-unread-as-read
10985 gnus-catchup-mark)
10986 (while (gnus-summary-find-next (not all))
10987 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10988 (when (gnus-summary-first-subject (not all))
10989 (while (and
10990 (if to-here (< (point) to-here) t)
10991 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10992 (gnus-summary-find-next (not all))))))
10993 (gnus-set-mode-line 'summary))
10995 (gnus-summary-position-point)))
10997 (defun gnus-summary-catchup-to-here (&optional all)
10998 "Mark all unticked articles before the current one as read.
10999 If ALL is non-nil, also mark ticked and dormant articles as read."
11000 (interactive "P")
11001 (save-excursion
11002 (gnus-save-hidden-threads
11003 (let ((beg (point)))
11004 ;; We check that there are unread articles.
11005 (when (or all (gnus-summary-find-prev))
11006 (gnus-summary-catchup all t beg)))))
11007 (gnus-summary-position-point))
11009 (defun gnus-summary-catchup-from-here (&optional all)
11010 "Mark all unticked articles after (and including) the current one as read.
11011 If ALL is non-nil, also mark ticked and dormant articles as read."
11012 (interactive "P")
11013 (save-excursion
11014 (gnus-save-hidden-threads
11015 (let ((beg (point)))
11016 ;; We check that there are unread articles.
11017 (when (or all (gnus-summary-find-next))
11018 (gnus-summary-catchup all t beg nil t)))))
11019 (gnus-summary-position-point))
11021 (defun gnus-summary-catchup-all (&optional quietly)
11022 "Mark all articles in this newsgroup as read.
11023 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11024 instead, which marks only unread articles as read."
11025 (interactive "P")
11026 (gnus-summary-catchup t quietly))
11028 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11029 "Mark all unread articles in this group as read, then exit.
11030 If prefix argument ALL is non-nil, all articles are marked as read.
11031 If QUIETLY is non-nil, no questions will be asked."
11032 (interactive "P")
11033 (when (gnus-summary-catchup all quietly nil 'fast)
11034 ;; Select next newsgroup or exit.
11035 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11036 (eq gnus-auto-select-next 'quietly))
11037 (gnus-summary-next-group nil)
11038 (gnus-summary-exit))))
11040 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11041 "Mark all articles in this newsgroup as read, and then exit.
11042 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11043 instead, which marks only unread articles as read."
11044 (interactive "P")
11045 (gnus-summary-catchup-and-exit t quietly))
11047 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11048 "Mark all articles in this group as read and select the next group.
11049 If given a prefix, mark all articles, unread as well as ticked, as
11050 read."
11051 (interactive "P")
11052 (save-excursion
11053 (gnus-summary-catchup all))
11054 (gnus-summary-next-group))
11056 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11057 "Mark all articles in this group as read and select the previous group.
11058 If given a prefix, mark all articles, unread as well as ticked, as
11059 read."
11060 (interactive "P")
11061 (save-excursion
11062 (gnus-summary-catchup all))
11063 (gnus-summary-next-group nil nil t))
11066 ;;; with article
11069 (defmacro gnus-with-article (article &rest forms)
11070 "Select ARTICLE and perform FORMS in the original article buffer.
11071 Then replace the article with the result."
11072 `(progn
11073 ;; We don't want the article to be marked as read.
11074 (let (gnus-mark-article-hook)
11075 (gnus-summary-select-article t t nil ,article))
11076 (set-buffer gnus-original-article-buffer)
11077 ,@forms
11078 (if (not (gnus-check-backend-function
11079 'request-replace-article (car gnus-article-current)))
11080 (gnus-message 5 "Read-only group; not replacing")
11081 (unless (gnus-request-replace-article
11082 ,article (car gnus-article-current)
11083 (current-buffer) t)
11084 (error "Couldn't replace article")))
11085 ;; The cache and backlog have to be flushed somewhat.
11086 (when gnus-keep-backlog
11087 (gnus-backlog-remove-article
11088 (car gnus-article-current) (cdr gnus-article-current)))
11089 (when gnus-use-cache
11090 (gnus-cache-update-article
11091 (car gnus-article-current) (cdr gnus-article-current)))))
11093 (put 'gnus-with-article 'lisp-indent-function 1)
11094 (put 'gnus-with-article 'edebug-form-spec '(form body))
11096 ;; Thread-based commands.
11098 (defun gnus-summary-articles-in-thread (&optional article)
11099 "Return a list of all articles in the current thread.
11100 If ARTICLE is non-nil, return all articles in the thread that starts
11101 with that article."
11102 (let* ((article (or article (gnus-summary-article-number)))
11103 (data (gnus-data-find-list article))
11104 (top-level (gnus-data-level (car data)))
11105 (top-subject
11106 (cond ((null gnus-thread-operation-ignore-subject)
11107 (gnus-simplify-subject-re
11108 (mail-header-subject (gnus-data-header (car data)))))
11109 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11110 (gnus-simplify-subject-fuzzy
11111 (mail-header-subject (gnus-data-header (car data)))))
11112 (t nil)))
11113 (end-point (save-excursion
11114 (if (gnus-summary-go-to-next-thread)
11115 (point) (point-max))))
11116 articles)
11117 (while (and data
11118 (< (gnus-data-pos (car data)) end-point))
11119 (when (or (not top-subject)
11120 (string= top-subject
11121 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11122 (gnus-simplify-subject-fuzzy
11123 (mail-header-subject
11124 (gnus-data-header (car data))))
11125 (gnus-simplify-subject-re
11126 (mail-header-subject
11127 (gnus-data-header (car data)))))))
11128 (push (gnus-data-number (car data)) articles))
11129 (unless (and (setq data (cdr data))
11130 (> (gnus-data-level (car data)) top-level))
11131 (setq data nil)))
11132 ;; Return the list of articles.
11133 (nreverse articles)))
11135 (defun gnus-summary-rethread-current ()
11136 "Rethread the thread the current article is part of."
11137 (interactive)
11138 (let* ((gnus-show-threads t)
11139 (article (gnus-summary-article-number))
11140 (id (mail-header-id (gnus-summary-article-header)))
11141 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11142 (unless id
11143 (error "No article on the current line"))
11144 (gnus-rebuild-thread id)
11145 (gnus-summary-goto-subject article)))
11147 (defun gnus-summary-reparent-thread ()
11148 "Make the current article child of the marked (or previous) article.
11150 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11151 is non-nil or the Subject: of both articles are the same."
11152 (interactive)
11153 (unless (not (gnus-group-read-only-p))
11154 (error "The current newsgroup does not support article editing"))
11155 (unless (<= (length gnus-newsgroup-processable) 1)
11156 (error "No more than one article may be marked"))
11157 (let ((child (gnus-summary-article-number))
11158 ;; First grab the marked article, otherwise one line up.
11159 (parent (if (not (null gnus-newsgroup-processable))
11160 (car gnus-newsgroup-processable)
11161 (save-excursion
11162 (if (eq (forward-line -1) 0)
11163 (gnus-summary-article-number)
11164 (error "Beginning of summary buffer"))))))
11165 (gnus-summary-reparent-children parent (list child))))
11167 (defun gnus-summary-reparent-children (parent children)
11168 "Make PARENT the parent of CHILDREN.
11169 When called interactively, PARENT is the current article and CHILDREN
11170 are the process-marked articles."
11171 (interactive
11172 (list (gnus-summary-article-number)
11173 (gnus-summary-work-articles nil)))
11174 (dolist (child children)
11175 (save-window-excursion
11176 (let ((gnus-article-buffer " *reparent*"))
11177 (unless (not (eq parent child))
11178 (error "An article may not be self-referential"))
11179 (let ((message-id (mail-header-id
11180 (gnus-summary-article-header parent))))
11181 (unless (and message-id (not (equal message-id "")))
11182 (error "No message-id in desired parent"))
11183 (gnus-with-article child
11184 (save-restriction
11185 (goto-char (point-min))
11186 (message-narrow-to-head)
11187 (if (re-search-forward "^References: " nil t)
11188 (progn
11189 (re-search-forward "^[^ \t]" nil t)
11190 (forward-line -1)
11191 (end-of-line)
11192 (insert " " message-id))
11193 (insert "References: " message-id "\n"))))
11194 (set-buffer gnus-summary-buffer)
11195 (gnus-summary-unmark-all-processable)
11196 (gnus-summary-update-article child)
11197 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11198 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11199 (gnus-summary-rethread-current)
11200 (gnus-message 3 "Article %d is now the child of article %d"
11201 child parent))))))
11203 (defun gnus-summary-toggle-threads (&optional arg)
11204 "Toggle showing conversation threads.
11205 If ARG is positive number, turn showing conversation threads on."
11206 (interactive "P")
11207 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11208 (setq gnus-show-threads
11209 (if (null arg) (not gnus-show-threads)
11210 (> (prefix-numeric-value arg) 0)))
11211 (gnus-summary-prepare)
11212 (gnus-summary-goto-subject current)
11213 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11214 (gnus-summary-position-point)))
11216 (defun gnus-summary-show-all-threads ()
11217 "Show all threads."
11218 (interactive)
11219 (save-excursion
11220 (let ((buffer-read-only nil))
11221 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
11222 (gnus-summary-position-point))
11224 (defun gnus-summary-show-thread ()
11225 "Show thread subtrees.
11226 Returns nil if no thread was there to be shown."
11227 (interactive)
11228 (let ((buffer-read-only nil)
11229 (orig (point))
11230 (end (point-at-eol))
11231 ;; Leave point at bol
11232 (beg (progn (beginning-of-line) (point))))
11233 (prog1
11234 ;; Any hidden lines here?
11235 (search-forward "\r" end t)
11236 (subst-char-in-region beg end ?\^M ?\n t)
11237 (goto-char orig)
11238 (gnus-summary-position-point))))
11240 (defun gnus-summary-maybe-hide-threads ()
11241 "If requested, hide the threads that should be hidden."
11242 (when (and gnus-show-threads
11243 gnus-thread-hide-subtree)
11244 (gnus-summary-hide-all-threads
11245 (if (or (consp gnus-thread-hide-subtree)
11246 (functionp gnus-thread-hide-subtree))
11247 (gnus-make-predicate gnus-thread-hide-subtree)
11248 nil))))
11250 ;;; Hiding predicates.
11252 (defun gnus-article-unread-p (header)
11253 (memq (mail-header-number header) gnus-newsgroup-unreads))
11255 (defun gnus-article-unseen-p (header)
11256 (memq (mail-header-number header) gnus-newsgroup-unseen))
11258 (defun gnus-map-articles (predicate articles)
11259 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11260 (apply 'gnus-or (mapcar predicate
11261 (mapcar (lambda (number)
11262 (gnus-summary-article-header number))
11263 articles))))
11265 (defun gnus-summary-hide-all-threads (&optional predicate)
11266 "Hide all thread subtrees.
11267 If PREDICATE is supplied, threads that satisfy this predicate
11268 will not be hidden."
11269 (interactive)
11270 (save-excursion
11271 (goto-char (point-min))
11272 (let ((end nil))
11273 (while (not end)
11274 (when (or (not predicate)
11275 (gnus-map-articles
11276 predicate (gnus-summary-article-children)))
11277 (gnus-summary-hide-thread))
11278 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11279 (gnus-summary-position-point))
11281 (defun gnus-summary-hide-thread ()
11282 "Hide thread subtrees.
11283 If PREDICATE is supplied, threads that satisfy this predicate
11284 will not be hidden.
11285 Returns nil if no threads were there to be hidden."
11286 (interactive)
11287 (let ((buffer-read-only nil)
11288 (start (point))
11289 (article (gnus-summary-article-number)))
11290 (goto-char start)
11291 ;; Go forward until either the buffer ends or the subthread
11292 ;; ends.
11293 (when (and (not (eobp))
11294 (or (zerop (gnus-summary-next-thread 1 t))
11295 (goto-char (point-max))))
11296 (prog1
11297 (if (and (> (point) start)
11298 (search-backward "\n" start t))
11299 (progn
11300 (subst-char-in-region start (point) ?\n ?\^M)
11301 (gnus-summary-goto-subject article))
11302 (goto-char start)
11303 nil)))))
11305 (defun gnus-summary-go-to-next-thread (&optional previous)
11306 "Go to the same level (or less) next thread.
11307 If PREVIOUS is non-nil, go to previous thread instead.
11308 Return the article number moved to, or nil if moving was impossible."
11309 (let ((level (gnus-summary-thread-level))
11310 (way (if previous -1 1))
11311 (beg (point)))
11312 (forward-line way)
11313 (while (and (not (eobp))
11314 (< level (gnus-summary-thread-level)))
11315 (forward-line way))
11316 (if (eobp)
11317 (progn
11318 (goto-char beg)
11319 nil)
11320 (setq beg (point))
11321 (prog1
11322 (gnus-summary-article-number)
11323 (goto-char beg)))))
11325 (defun gnus-summary-next-thread (n &optional silent)
11326 "Go to the same level next N'th thread.
11327 If N is negative, search backward instead.
11328 Returns the difference between N and the number of skips actually
11329 done.
11331 If SILENT, don't output messages."
11332 (interactive "p")
11333 (let ((backward (< n 0))
11334 (n (abs n)))
11335 (while (and (> n 0)
11336 (gnus-summary-go-to-next-thread backward))
11337 (decf n))
11338 (unless silent
11339 (gnus-summary-position-point))
11340 (when (and (not silent) (/= 0 n))
11341 (gnus-message 7 "No more threads"))
11344 (defun gnus-summary-prev-thread (n)
11345 "Go to the same level previous N'th thread.
11346 Returns the difference between N and the number of skips actually
11347 done."
11348 (interactive "p")
11349 (gnus-summary-next-thread (- n)))
11351 (defun gnus-summary-go-down-thread ()
11352 "Go down one level in the current thread."
11353 (let ((children (gnus-summary-article-children)))
11354 (when children
11355 (gnus-summary-goto-subject (car children)))))
11357 (defun gnus-summary-go-up-thread ()
11358 "Go up one level in the current thread."
11359 (let ((parent (gnus-summary-article-parent)))
11360 (when parent
11361 (gnus-summary-goto-subject parent))))
11363 (defun gnus-summary-down-thread (n)
11364 "Go down thread N steps.
11365 If N is negative, go up instead.
11366 Returns the difference between N and how many steps down that were
11367 taken."
11368 (interactive "p")
11369 (let ((up (< n 0))
11370 (n (abs n)))
11371 (while (and (> n 0)
11372 (if up (gnus-summary-go-up-thread)
11373 (gnus-summary-go-down-thread)))
11374 (setq n (1- n)))
11375 (gnus-summary-position-point)
11376 (when (/= 0 n)
11377 (gnus-message 7 "Can't go further"))
11380 (defun gnus-summary-up-thread (n)
11381 "Go up thread N steps.
11382 If N is negative, go down instead.
11383 Returns the difference between N and how many steps down that were
11384 taken."
11385 (interactive "p")
11386 (gnus-summary-down-thread (- n)))
11388 (defun gnus-summary-top-thread ()
11389 "Go to the top of the thread."
11390 (interactive)
11391 (while (gnus-summary-go-up-thread))
11392 (gnus-summary-article-number))
11394 (defun gnus-summary-expire-thread ()
11395 "Mark articles under current thread as expired."
11396 (interactive)
11397 (gnus-summary-kill-thread 0))
11399 (defun gnus-summary-kill-thread (&optional unmark)
11400 "Mark articles under current thread as read.
11401 If the prefix argument is positive, remove any kinds of marks.
11402 If the prefix argument is zero, mark thread as expired.
11403 If the prefix argument is negative, tick articles instead."
11404 (interactive "P")
11405 (when unmark
11406 (setq unmark (prefix-numeric-value unmark)))
11407 (let ((articles (gnus-summary-articles-in-thread))
11408 (hide (or (null unmark) (= unmark 0))))
11409 (save-excursion
11410 ;; Expand the thread.
11411 (gnus-summary-show-thread)
11412 ;; Mark all the articles.
11413 (while articles
11414 (gnus-summary-goto-subject (car articles))
11415 (cond ((null unmark)
11416 (gnus-summary-mark-article-as-read gnus-killed-mark))
11417 ((> unmark 0)
11418 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11419 ((= unmark 0)
11420 (gnus-summary-mark-article-as-unread gnus-expirable-mark))
11422 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11423 (setq articles (cdr articles))))
11424 ;; Hide killed subtrees when hide is true.
11425 (and hide
11426 gnus-thread-hide-killed
11427 (gnus-summary-hide-thread))
11428 ;; If hide is t, go to next unread subject.
11429 (when hide
11430 ;; Go to next unread subject.
11431 (gnus-summary-next-subject 1 t)))
11432 (gnus-set-mode-line 'summary))
11434 ;; Summary sorting commands
11436 (defun gnus-summary-sort-by-number (&optional reverse)
11437 "Sort the summary buffer by article number.
11438 Argument REVERSE means reverse order."
11439 (interactive "P")
11440 (gnus-summary-sort 'number reverse))
11442 (defun gnus-summary-sort-by-random (&optional reverse)
11443 "Randomize the order in the summary buffer.
11444 Argument REVERSE means to randomize in reverse order."
11445 (interactive "P")
11446 (gnus-summary-sort 'random reverse))
11448 (defun gnus-summary-sort-by-author (&optional reverse)
11449 "Sort the summary buffer by author name alphabetically.
11450 If `case-fold-search' is non-nil, case of letters is ignored.
11451 Argument REVERSE means reverse order."
11452 (interactive "P")
11453 (gnus-summary-sort 'author reverse))
11455 (defun gnus-summary-sort-by-recipient (&optional reverse)
11456 "Sort the summary buffer by recipient name alphabetically.
11457 If `case-fold-search' is non-nil, case of letters is ignored.
11458 Argument REVERSE means reverse order."
11459 (interactive "P")
11460 (gnus-summary-sort 'recipient reverse))
11462 (defun gnus-summary-sort-by-subject (&optional reverse)
11463 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11464 If `case-fold-search' is non-nil, case of letters is ignored.
11465 Argument REVERSE means reverse order."
11466 (interactive "P")
11467 (gnus-summary-sort 'subject reverse))
11469 (defun gnus-summary-sort-by-date (&optional reverse)
11470 "Sort the summary buffer by date.
11471 Argument REVERSE means reverse order."
11472 (interactive "P")
11473 (gnus-summary-sort 'date reverse))
11475 (defun gnus-summary-sort-by-score (&optional reverse)
11476 "Sort the summary buffer by score.
11477 Argument REVERSE means reverse order."
11478 (interactive "P")
11479 (gnus-summary-sort 'score reverse))
11481 (defun gnus-summary-sort-by-lines (&optional reverse)
11482 "Sort the summary buffer by the number of lines.
11483 Argument REVERSE means reverse order."
11484 (interactive "P")
11485 (gnus-summary-sort 'lines reverse))
11487 (defun gnus-summary-sort-by-chars (&optional reverse)
11488 "Sort the summary buffer by article length.
11489 Argument REVERSE means reverse order."
11490 (interactive "P")
11491 (gnus-summary-sort 'chars reverse))
11493 (defun gnus-summary-sort-by-original (&optional reverse)
11494 "Sort the summary buffer using the default sorting method.
11495 Argument REVERSE means reverse order."
11496 (interactive "P")
11497 (let* ((buffer-read-only)
11498 (gnus-summary-prepare-hook nil))
11499 ;; We do the sorting by regenerating the threads.
11500 (gnus-summary-prepare)
11501 ;; Hide subthreads if needed.
11502 (gnus-summary-maybe-hide-threads)))
11504 (defun gnus-summary-sort (predicate reverse)
11505 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11506 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11507 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11508 (gnus-thread-sort-functions
11509 (if (not reverse)
11510 thread
11511 `(lambda (t1 t2)
11512 (,thread t2 t1))))
11513 (gnus-sort-gathered-threads-function
11514 gnus-thread-sort-functions)
11515 (gnus-article-sort-functions
11516 (if (not reverse)
11517 article
11518 `(lambda (t1 t2)
11519 (,article t2 t1))))
11520 (buffer-read-only)
11521 (gnus-summary-prepare-hook nil))
11522 ;; We do the sorting by regenerating the threads.
11523 (gnus-summary-prepare)
11524 ;; Hide subthreads if needed.
11525 (gnus-summary-maybe-hide-threads)))
11527 ;; Summary saving commands.
11529 (defun gnus-summary-save-article (&optional n not-saved)
11530 "Save the current article using the default saver function.
11531 If N is a positive number, save the N next articles.
11532 If N is a negative number, save the N previous articles.
11533 If N is nil and any articles have been marked with the process mark,
11534 save those articles instead.
11535 The variable `gnus-default-article-saver' specifies the saver function.
11537 If the optional second argument NOT-SAVED is non-nil, articles saved
11538 will not be marked as saved."
11539 (interactive "P")
11540 (require 'gnus-art)
11541 (let* ((articles (gnus-summary-work-articles n))
11542 (save-buffer (save-excursion
11543 (nnheader-set-temp-buffer " *Gnus Save*")))
11544 (num (length articles))
11545 ;; Whether to save decoded articles or raw articles.
11546 (decode (when gnus-article-save-coding-system
11547 (get gnus-default-article-saver :decode)))
11548 ;; When saving many articles in a single file, use the other
11549 ;; function to save articles other than the first one.
11550 (saver2 (get gnus-default-article-saver :function))
11551 (gnus-prompt-before-saving (if saver2
11553 gnus-prompt-before-saving))
11554 (gnus-default-article-saver gnus-default-article-saver)
11555 header file)
11556 (dolist (article articles)
11557 (setq header (gnus-summary-article-header article))
11558 (if (not (vectorp header))
11559 ;; This is a pseudo-article.
11560 (if (assq 'name header)
11561 (gnus-copy-file (cdr (assq 'name header)))
11562 (gnus-message 1 "Article %d is unsaveable" article))
11563 ;; This is a real article.
11564 (save-window-excursion
11565 (let ((gnus-display-mime-function (when decode
11566 gnus-display-mime-function))
11567 (gnus-article-prepare-hook (when decode
11568 gnus-article-prepare-hook)))
11569 (gnus-summary-select-article t nil nil article)
11570 (gnus-summary-goto-subject article)))
11571 (save-excursion
11572 (set-buffer save-buffer)
11573 (erase-buffer)
11574 (insert-buffer-substring (if decode
11575 gnus-article-buffer
11576 gnus-original-article-buffer)))
11577 (setq file (gnus-article-save save-buffer file num))
11578 (gnus-summary-remove-process-mark article)
11579 (unless not-saved
11580 (gnus-summary-set-saved-mark article)))
11581 (when saver2
11582 (setq gnus-default-article-saver saver2
11583 saver2 nil)))
11584 (gnus-kill-buffer save-buffer)
11585 (gnus-summary-position-point)
11586 (gnus-set-mode-line 'summary)
11589 (defun gnus-summary-pipe-output (&optional arg headers)
11590 "Pipe the current article to a subprocess.
11591 If N is a positive number, pipe the N next articles.
11592 If N is a negative number, pipe the N previous articles.
11593 If N is nil and any articles have been marked with the process mark,
11594 pipe those articles instead.
11595 If HEADERS (the symbolic prefix), include the headers, too."
11596 (interactive (gnus-interactive "P\ny"))
11597 (require 'gnus-art)
11598 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
11599 (gnus-save-all-headers (or headers gnus-save-all-headers)))
11600 (gnus-summary-save-article arg t))
11601 (let ((buffer (get-buffer "*Shell Command Output*")))
11602 (when (and buffer
11603 (not (zerop (buffer-size buffer))))
11604 (gnus-configure-windows 'pipe))))
11606 (defun gnus-summary-save-article-mail (&optional arg)
11607 "Append the current article to a Unix mail box file.
11608 If N is a positive number, save the N next articles.
11609 If N is a negative number, save the N previous articles.
11610 If N is nil and any articles have been marked with the process mark,
11611 save those articles instead."
11612 (interactive "P")
11613 (require 'gnus-art)
11614 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11615 (gnus-summary-save-article arg)))
11617 (defun gnus-summary-save-article-rmail (&optional arg)
11618 "Append the current article to an rmail file.
11619 If N is a positive number, save the N next articles.
11620 If N is a negative number, save the N previous articles.
11621 If N is nil and any articles have been marked with the process mark,
11622 save those articles instead."
11623 (interactive "P")
11624 (require 'gnus-art)
11625 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11626 (gnus-summary-save-article arg)))
11628 (defun gnus-summary-save-article-file (&optional arg)
11629 "Append the current article to a file.
11630 If N is a positive number, save the N next articles.
11631 If N is a negative number, save the N previous articles.
11632 If N is nil and any articles have been marked with the process mark,
11633 save those articles instead."
11634 (interactive "P")
11635 (require 'gnus-art)
11636 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11637 (gnus-summary-save-article arg)))
11639 (defun gnus-summary-write-article-file (&optional arg)
11640 "Write the current article to a file, deleting the previous file.
11641 If N is a positive number, save the N next articles.
11642 If N is a negative number, save the N previous articles.
11643 If N is nil and any articles have been marked with the process mark,
11644 save those articles instead."
11645 (interactive "P")
11646 (require 'gnus-art)
11647 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11648 (gnus-summary-save-article arg)))
11650 (defun gnus-summary-save-article-body-file (&optional arg)
11651 "Append the current article body to a file.
11652 If N is a positive number, save the N next articles.
11653 If N is a negative number, save the N previous articles.
11654 If N is nil and any articles have been marked with the process mark,
11655 save those articles instead."
11656 (interactive "P")
11657 (require 'gnus-art)
11658 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11659 (gnus-summary-save-article arg)))
11661 (defun gnus-summary-write-article-body-file (&optional arg)
11662 "Write the current article body to a file, deleting the previous file.
11663 If N is a positive number, save the N next articles.
11664 If N is a negative number, save the N previous articles.
11665 If N is nil and any articles have been marked with the process mark,
11666 save those articles instead."
11667 (interactive "P")
11668 (require 'gnus-art)
11669 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
11670 (gnus-summary-save-article arg)))
11672 (defun gnus-summary-muttprint (&optional arg)
11673 "Print the current article using Muttprint.
11674 If N is a positive number, save the N next articles.
11675 If N is a negative number, save the N previous articles.
11676 If N is nil and any articles have been marked with the process mark,
11677 save those articles instead."
11678 (interactive "P")
11679 (require 'gnus-art)
11680 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11681 (gnus-summary-save-article arg t)))
11683 (defun gnus-summary-pipe-message (program)
11684 "Pipe the current article through PROGRAM."
11685 (interactive "sProgram: ")
11686 (gnus-summary-select-article)
11687 (let ((mail-header-separator ""))
11688 (gnus-eval-in-buffer-window gnus-article-buffer
11689 (save-restriction
11690 (widen)
11691 (let ((start (window-start))
11692 buffer-read-only)
11693 (message-pipe-buffer-body program)
11694 (set-window-start (get-buffer-window (current-buffer)) start))))))
11696 (defun gnus-get-split-value (methods)
11697 "Return a value based on the split METHODS."
11698 (let (split-name method result match)
11699 (when methods
11700 (save-excursion
11701 (set-buffer gnus-original-article-buffer)
11702 (save-restriction
11703 (nnheader-narrow-to-headers)
11704 (while (and methods (not split-name))
11705 (goto-char (point-min))
11706 (setq method (pop methods))
11707 (setq match (car method))
11708 (when (cond
11709 ((stringp match)
11710 ;; Regular expression.
11711 (ignore-errors
11712 (re-search-forward match nil t)))
11713 ((functionp match)
11714 ;; Function.
11715 (save-restriction
11716 (widen)
11717 (setq result (funcall match gnus-newsgroup-name))))
11718 ((consp match)
11719 ;; Form.
11720 (save-restriction
11721 (widen)
11722 (setq result (eval match)))))
11723 (setq split-name (cdr method))
11724 (cond ((stringp result)
11725 (push (expand-file-name
11726 result gnus-article-save-directory)
11727 split-name))
11728 ((consp result)
11729 (setq split-name (append result split-name)))))))))
11730 (nreverse split-name)))
11732 (defun gnus-valid-move-group-p (group)
11733 (and (boundp group)
11734 (symbol-name group)
11735 (symbol-value group)
11736 (gnus-get-function (gnus-find-method-for-group
11737 (symbol-name group)) 'request-accept-article t)))
11739 (defun gnus-read-move-group-name (prompt default articles prefix)
11740 "Read a group name."
11741 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11742 (minibuffer-confirm-incomplete nil) ; XEmacs
11743 (prom
11744 (format "%s %s to"
11745 prompt
11746 (if (> (length articles) 1)
11747 (format "these %d articles" (length articles))
11748 "this article")))
11749 (to-newsgroup
11750 (let (active group)
11751 (when (or (null split-name) (= 1 (length split-name)))
11752 (setq active (gnus-make-hashtable (length gnus-active-hashtb)))
11753 (mapatoms (lambda (symbol)
11754 (setq group (symbol-name symbol))
11755 (when (string-match "[^\000-\177]" group)
11756 (setq group (gnus-group-decoded-name group)))
11757 (set (intern group active) group))
11758 gnus-active-hashtb))
11759 (cond
11760 ((null split-name)
11761 (gnus-completing-read-with-default
11762 default prom active 'gnus-valid-move-group-p nil prefix
11763 'gnus-group-history))
11764 ((= 1 (length split-name))
11765 (gnus-completing-read-with-default
11766 (car split-name) prom active 'gnus-valid-move-group-p nil nil
11767 'gnus-group-history))
11769 (gnus-completing-read-with-default
11770 nil prom (mapcar 'list (nreverse split-name)) nil nil nil
11771 'gnus-group-history)))))
11772 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
11773 encoded)
11774 (when to-newsgroup
11775 (if (or (string= to-newsgroup "")
11776 (string= to-newsgroup prefix))
11777 (setq to-newsgroup default))
11778 (unless to-newsgroup
11779 (error "No group name entered"))
11780 (setq encoded (mm-encode-coding-string
11781 to-newsgroup
11782 (gnus-group-name-charset to-method to-newsgroup)))
11783 (or (gnus-active encoded)
11784 (gnus-activate-group encoded nil nil to-method)
11785 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11786 to-newsgroup))
11787 (or (and (gnus-request-create-group encoded to-method)
11788 (gnus-activate-group encoded nil nil to-method)
11789 (gnus-subscribe-group encoded))
11790 (error "Couldn't create group %s" to-newsgroup)))
11791 (error "No such group: %s" to-newsgroup))
11792 encoded)))
11794 (defvar gnus-summary-save-parts-counter)
11796 (defun gnus-summary-save-parts (type dir n &optional reverse)
11797 "Save parts matching TYPE to DIR.
11798 If REVERSE, save parts that do not match TYPE."
11799 (interactive
11800 (list (read-string "Save parts of type: "
11801 (or (car gnus-summary-save-parts-type-history)
11802 gnus-summary-save-parts-default-mime)
11803 'gnus-summary-save-parts-type-history)
11804 (setq gnus-summary-save-parts-last-directory
11805 (read-file-name "Save to directory: "
11806 gnus-summary-save-parts-last-directory
11807 nil t))
11808 current-prefix-arg))
11809 (gnus-summary-iterate n
11810 (let ((gnus-display-mime-function nil)
11811 (gnus-inhibit-treatment t))
11812 (gnus-summary-select-article))
11813 (save-excursion
11814 (set-buffer gnus-article-buffer)
11815 (let ((handles (or gnus-article-mime-handles
11816 (mm-dissect-buffer nil gnus-article-loose-mime)
11817 (and gnus-article-emulate-mime
11818 (mm-uu-dissect))))
11819 (gnus-summary-save-parts-counter 1))
11820 (when handles
11821 (gnus-summary-save-parts-1 type dir handles reverse)
11822 (unless gnus-article-mime-handles ;; Don't destroy this case.
11823 (mm-destroy-parts handles)))))))
11825 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11826 (if (stringp (car handle))
11827 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11828 (cdr handle))
11829 (when (if reverse
11830 (not (string-match type (mm-handle-media-type handle)))
11831 (string-match type (mm-handle-media-type handle)))
11832 (let ((file (expand-file-name
11833 (gnus-map-function
11834 mm-file-name-rewrite-functions
11835 (file-name-nondirectory
11837 (mail-content-type-get
11838 (mm-handle-disposition handle) 'filename)
11839 (mail-content-type-get
11840 (mm-handle-type handle) 'name)
11841 (format "%s.%d.%d" gnus-newsgroup-name
11842 (cdr gnus-article-current)
11843 gnus-summary-save-parts-counter))))
11844 dir)))
11845 (incf gnus-summary-save-parts-counter)
11846 (unless (file-exists-p file)
11847 (mm-save-part-to-file handle file))))))
11849 ;; Summary extract commands
11851 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11852 (let ((buffer-read-only nil)
11853 (article (gnus-summary-article-number))
11854 after-article b e)
11855 (unless (gnus-summary-goto-subject article)
11856 (error "No such article: %d" article))
11857 (gnus-summary-position-point)
11858 ;; If all commands are to be bunched up on one line, we collect
11859 ;; them here.
11860 (unless gnus-view-pseudos-separately
11861 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11862 files action)
11863 (while ps
11864 (setq action (cdr (assq 'action (car ps))))
11865 (setq files (list (cdr (assq 'name (car ps)))))
11866 (while (and ps (cdr ps)
11867 (string= (or action "1")
11868 (or (cdr (assq 'action (cadr ps))) "2")))
11869 (push (cdr (assq 'name (cadr ps))) files)
11870 (setcdr ps (cddr ps)))
11871 (when files
11872 (when (not (string-match "%s" action))
11873 (push " " files))
11874 (push " " files)
11875 (when (assq 'execute (car ps))
11876 (setcdr (assq 'execute (car ps))
11877 (funcall (if (string-match "%s" action)
11878 'format 'concat)
11879 action
11880 (mapconcat
11881 (lambda (f)
11882 (if (equal f " ")
11884 (shell-quote-argument f)))
11885 files " ")))))
11886 (setq ps (cdr ps)))))
11887 (if (and gnus-view-pseudos (not not-view))
11888 (while pslist
11889 (when (assq 'execute (car pslist))
11890 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11891 (eq gnus-view-pseudos 'not-confirm)))
11892 (setq pslist (cdr pslist)))
11893 (save-excursion
11894 (while pslist
11895 (setq after-article (or (cdr (assq 'article (car pslist)))
11896 (gnus-summary-article-number)))
11897 (gnus-summary-goto-subject after-article)
11898 (forward-line 1)
11899 (setq b (point))
11900 (insert " " (file-name-nondirectory
11901 (cdr (assq 'name (car pslist))))
11902 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11903 (setq e (point))
11904 (forward-line -1) ; back to `b'
11905 (gnus-add-text-properties
11906 b (1- e) (list 'gnus-number gnus-reffed-article-number
11907 gnus-mouse-face-prop gnus-mouse-face))
11908 (gnus-data-enter
11909 after-article gnus-reffed-article-number
11910 gnus-unread-mark b (car pslist) 0 (- e b))
11911 (setq gnus-newsgroup-unreads
11912 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11913 gnus-reffed-article-number))
11914 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11915 (setq pslist (cdr pslist)))))))
11917 (defun gnus-pseudos< (p1 p2)
11918 (let ((c1 (cdr (assq 'action p1)))
11919 (c2 (cdr (assq 'action p2))))
11920 (and c1 c2 (string< c1 c2))))
11922 (defun gnus-request-pseudo-article (props)
11923 (cond ((assq 'execute props)
11924 (gnus-execute-command (cdr (assq 'execute props)))))
11925 (let ((gnus-current-article (gnus-summary-article-number)))
11926 (gnus-run-hooks 'gnus-mark-article-hook)))
11928 (defun gnus-execute-command (command &optional automatic)
11929 (save-excursion
11930 (gnus-article-setup-buffer)
11931 (set-buffer gnus-article-buffer)
11932 (setq buffer-read-only nil)
11933 (let ((command (if automatic command
11934 (read-string "Command: " (cons command 0)))))
11935 (erase-buffer)
11936 (insert "$ " command "\n\n")
11937 (if gnus-view-pseudo-asynchronously
11938 (start-process "gnus-execute" (current-buffer) shell-file-name
11939 shell-command-switch command)
11940 (call-process shell-file-name nil t nil
11941 shell-command-switch command)))))
11943 ;; Summary kill commands.
11945 (defun gnus-summary-edit-global-kill (article)
11946 "Edit the \"global\" kill file."
11947 (interactive (list (gnus-summary-article-number)))
11948 (gnus-group-edit-global-kill article))
11950 (defun gnus-summary-edit-local-kill ()
11951 "Edit a local kill file applied to the current newsgroup."
11952 (interactive)
11953 (setq gnus-current-headers (gnus-summary-article-header))
11954 (gnus-group-edit-local-kill
11955 (gnus-summary-article-number) gnus-newsgroup-name))
11957 ;;; Header reading.
11959 (defun gnus-read-header (id &optional header)
11960 "Read the headers of article ID and enter them into the Gnus system."
11961 (let ((group gnus-newsgroup-name)
11962 (gnus-override-method
11964 gnus-override-method
11965 (and (gnus-news-group-p gnus-newsgroup-name)
11966 (car (gnus-refer-article-methods)))))
11967 where)
11968 ;; First we check to see whether the header in question is already
11969 ;; fetched.
11970 (if (stringp id)
11971 ;; This is a Message-ID.
11972 (setq header (or header (gnus-id-to-header id)))
11973 ;; This is an article number.
11974 (setq header (or header (gnus-summary-article-header id))))
11975 (if (and header
11976 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11977 ;; We have found the header.
11978 header
11979 ;; We have to really fetch the header to this article.
11980 (save-excursion
11981 (set-buffer nntp-server-buffer)
11982 (when (setq where (gnus-request-head id group))
11983 (nnheader-fold-continuation-lines)
11984 (goto-char (point-max))
11985 (insert ".\n")
11986 (goto-char (point-min))
11987 (insert "211 ")
11988 (princ (cond
11989 ((numberp id) id)
11990 ((cdr where) (cdr where))
11991 (header (mail-header-number header))
11992 (t gnus-reffed-article-number))
11993 (current-buffer))
11994 (insert " Article retrieved.\n"))
11995 (if (or (not where)
11996 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11997 () ; Malformed head.
11998 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11999 (when (and (stringp id)
12001 (not (string= (gnus-group-real-name group)
12002 (car where)))
12003 (not (gnus-server-equal gnus-override-method
12004 (gnus-group-method group)))))
12005 ;; If we fetched by Message-ID and the article came from
12006 ;; a different group (or server), we fudge some bogus
12007 ;; article numbers for this article.
12008 (mail-header-set-number header gnus-reffed-article-number))
12009 (save-excursion
12010 (set-buffer gnus-summary-buffer)
12011 (decf gnus-reffed-article-number)
12012 (gnus-remove-header (mail-header-number header))
12013 (push header gnus-newsgroup-headers)
12014 (setq gnus-current-headers header)
12015 (push (mail-header-number header) gnus-newsgroup-limit)))
12016 header)))))
12018 (defun gnus-remove-header (number)
12019 "Remove header NUMBER from `gnus-newsgroup-headers'."
12020 (if (and gnus-newsgroup-headers
12021 (= number (mail-header-number (car gnus-newsgroup-headers))))
12022 (pop gnus-newsgroup-headers)
12023 (let ((headers gnus-newsgroup-headers))
12024 (while (and (cdr headers)
12025 (not (= number (mail-header-number (cadr headers)))))
12026 (pop headers))
12027 (when (cdr headers)
12028 (setcdr headers (cddr headers))))))
12031 ;;; summary highlights
12034 (defun gnus-highlight-selected-summary ()
12035 "Highlight selected article in summary buffer."
12036 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12037 (when gnus-summary-selected-face
12038 (save-excursion
12039 (let* ((beg (point-at-bol))
12040 (end (point-at-eol))
12041 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12042 (from (if (get-text-property beg gnus-mouse-face-prop)
12044 (or (next-single-property-change
12045 beg gnus-mouse-face-prop nil end)
12046 beg)))
12048 (if (= from end)
12049 (- from 2)
12050 (or (next-single-property-change
12051 from gnus-mouse-face-prop nil end)
12052 end))))
12053 ;; If no mouse-face prop on line we will have to = from = end,
12054 ;; so we highlight the entire line instead.
12055 (when (= (+ to 2) from)
12056 (setq from beg)
12057 (setq to end))
12058 (if gnus-newsgroup-selected-overlay
12059 ;; Move old overlay.
12060 (gnus-move-overlay
12061 gnus-newsgroup-selected-overlay from to (current-buffer))
12062 ;; Create new overlay.
12063 (gnus-overlay-put
12064 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12065 'face gnus-summary-selected-face))))))
12067 (defvar gnus-summary-highlight-line-cached nil)
12068 (defvar gnus-summary-highlight-line-trigger nil)
12070 (defun gnus-summary-highlight-line-0 ()
12071 (if (and (eq gnus-summary-highlight-line-trigger
12072 gnus-summary-highlight)
12073 gnus-summary-highlight-line-cached)
12074 gnus-summary-highlight-line-cached
12075 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12076 gnus-summary-highlight-line-cached
12077 (let* ((cond (list 'cond))
12078 (c cond)
12079 (list gnus-summary-highlight))
12080 (while list
12081 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12082 nil))
12083 (setq c (cdr c)
12084 list (cdr list)))
12085 (gnus-byte-compile (list 'lambda nil cond))))))
12087 (defun gnus-summary-highlight-line ()
12088 "Highlight current line according to `gnus-summary-highlight'."
12089 (let* ((beg (point-at-bol))
12090 (article (or (gnus-summary-article-number) gnus-current-article))
12091 (score (or (cdr (assq article
12092 gnus-newsgroup-scored))
12093 gnus-summary-default-score 0))
12094 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12095 (inhibit-read-only t)
12096 (default gnus-summary-default-score)
12097 (default-high gnus-summary-default-high-score)
12098 (default-low gnus-summary-default-low-score)
12099 (uncached (and gnus-summary-use-undownloaded-faces
12100 (memq article gnus-newsgroup-undownloaded)
12101 (not (memq article gnus-newsgroup-cached)))))
12102 (let ((face (funcall (gnus-summary-highlight-line-0))))
12103 (unless (eq face (get-text-property beg 'face))
12104 (gnus-put-text-property-excluding-characters-with-faces
12105 beg (point-at-eol) 'face
12106 (setq face (if (boundp face) (symbol-value face) face)))
12107 (when gnus-summary-highlight-line-function
12108 (funcall gnus-summary-highlight-line-function article face))))))
12110 (defun gnus-update-read-articles (group unread &optional compute)
12111 "Update the list of read articles in GROUP.
12112 UNREAD is a sorted list."
12113 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12114 (info (gnus-get-info group))
12115 (prev 1)
12116 read)
12117 (if (or (not info) (not active))
12118 ;; There is no info on this group if it was, in fact,
12119 ;; killed. Gnus stores no information on killed groups, so
12120 ;; there's nothing to be done.
12121 ;; One could store the information somewhere temporarily,
12122 ;; perhaps... Hmmm...
12124 ;; Remove any negative articles numbers.
12125 (while (and unread (< (car unread) 0))
12126 (setq unread (cdr unread)))
12127 ;; Remove any expired article numbers
12128 (while (and unread (< (car unread) (car active)))
12129 (setq unread (cdr unread)))
12130 ;; Compute the ranges of read articles by looking at the list of
12131 ;; unread articles.
12132 (while unread
12133 (when (/= (car unread) prev)
12134 (push (if (= prev (1- (car unread))) prev
12135 (cons prev (1- (car unread))))
12136 read))
12137 (setq prev (1+ (car unread)))
12138 (setq unread (cdr unread)))
12139 (when (<= prev (cdr active))
12140 (push (cons prev (cdr active)) read))
12141 (setq read (if (> (length read) 1) (nreverse read) read))
12142 (if compute
12143 read
12144 (save-excursion
12145 (let (setmarkundo)
12146 ;; Propagate the read marks to the backend.
12147 (when (gnus-check-backend-function 'request-set-mark group)
12148 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12149 (add (gnus-remove-from-range read (gnus-info-read info))))
12150 (when (or add del)
12151 (unless (gnus-check-group group)
12152 (error "Can't open server for %s" group))
12153 (gnus-request-set-mark
12154 group (delq nil (list (if add (list add 'add '(read)))
12155 (if del (list del 'del '(read))))))
12156 (setq setmarkundo
12157 `(gnus-request-set-mark
12158 ,group
12159 ',(delq nil (list
12160 (if del (list del 'add '(read)))
12161 (if add (list add 'del '(read))))))))))
12162 (set-buffer gnus-group-buffer)
12163 (gnus-undo-register
12164 `(progn
12165 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12166 (gnus-info-set-read ',info ',(gnus-info-read info))
12167 (gnus-get-unread-articles-in-group ',info
12168 (gnus-active ,group))
12169 (gnus-group-update-group ,group t)
12170 ,setmarkundo))))
12171 ;; Enter this list into the group info.
12172 (gnus-info-set-read info read)
12173 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12174 (gnus-get-unread-articles-in-group info (gnus-active group))
12175 t))))
12177 (defun gnus-offer-save-summaries ()
12178 "Offer to save all active summary buffers."
12179 (let (buffers)
12180 ;; Go through all buffers and find all summaries.
12181 (dolist (buffer (buffer-list))
12182 (when (and (setq buffer (buffer-name buffer))
12183 (string-match "Summary" buffer)
12184 (with-current-buffer buffer
12185 ;; We check that this is, indeed, a summary buffer.
12186 (and (eq major-mode 'gnus-summary-mode)
12187 ;; Also make sure this isn't bogus.
12188 gnus-newsgroup-prepared
12189 ;; Also make sure that this isn't a
12190 ;; dead summary buffer.
12191 (not gnus-dead-summary-mode))))
12192 (push buffer buffers)))
12193 ;; Go through all these summary buffers and offer to save them.
12194 (when buffers
12195 (save-excursion
12196 (map-y-or-n-p
12197 "Update summary buffer %s? "
12198 (lambda (buf)
12199 (switch-to-buffer buf)
12200 (gnus-summary-exit))
12201 buffers)))))
12203 (defun gnus-summary-setup-default-charset ()
12204 "Setup newsgroup default charset."
12205 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12206 (setq gnus-newsgroup-charset nil)
12207 (let* ((ignored-charsets
12208 (or gnus-newsgroup-ephemeral-ignored-charsets
12209 (append
12210 (and gnus-newsgroup-name
12211 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12212 gnus-newsgroup-ignored-charsets))))
12213 (setq gnus-newsgroup-charset
12214 (or gnus-newsgroup-ephemeral-charset
12215 (and gnus-newsgroup-name
12216 (gnus-parameter-charset gnus-newsgroup-name))
12217 gnus-default-charset))
12218 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12219 ignored-charsets))))
12222 ;;; Mime Commands
12225 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12226 "Display the current article buffer fully MIME-buttonized.
12227 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12228 treated as multipart/mixed."
12229 (interactive "P")
12230 (require 'gnus-art)
12231 (let ((gnus-unbuttonized-mime-types nil)
12232 (gnus-mime-display-multipart-as-mixed show-all-parts))
12233 (gnus-summary-show-article)))
12235 (defun gnus-summary-repair-multipart (article)
12236 "Add a Content-Type header to a multipart article without one."
12237 (interactive (list (gnus-summary-article-number)))
12238 (gnus-with-article article
12239 (message-narrow-to-head)
12240 (message-remove-header "Mime-Version")
12241 (goto-char (point-max))
12242 (insert "Mime-Version: 1.0\n")
12243 (widen)
12244 (when (search-forward "\n--" nil t)
12245 (let ((separator (buffer-substring (point) (point-at-eol))))
12246 (message-narrow-to-head)
12247 (message-remove-header "Content-Type")
12248 (goto-char (point-max))
12249 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12250 separator))
12251 (widen))))
12252 (let (gnus-mark-article-hook)
12253 (gnus-summary-select-article t t nil article)))
12255 (defun gnus-summary-toggle-display-buttonized ()
12256 "Toggle the buttonizing of the article buffer."
12257 (interactive)
12258 (require 'gnus-art)
12259 (if (setq gnus-inhibit-mime-unbuttonizing
12260 (not gnus-inhibit-mime-unbuttonizing))
12261 (let ((gnus-unbuttonized-mime-types nil))
12262 (gnus-summary-show-article))
12263 (gnus-summary-show-article)))
12266 ;;; Generic summary marking commands
12269 (defvar gnus-summary-marking-alist
12270 '((read gnus-del-mark "d")
12271 (unread gnus-unread-mark "u")
12272 (ticked gnus-ticked-mark "!")
12273 (dormant gnus-dormant-mark "?")
12274 (expirable gnus-expirable-mark "e"))
12275 "An alist of names/marks/keystrokes.")
12277 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12278 (defvar gnus-summary-mark-map)
12280 (defun gnus-summary-make-all-marking-commands ()
12281 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12282 (dolist (elem gnus-summary-marking-alist)
12283 (apply 'gnus-summary-make-marking-command elem)))
12285 (defun gnus-summary-make-marking-command (name mark keystroke)
12286 (let ((map (make-sparse-keymap)))
12287 (define-key gnus-summary-generic-mark-map keystroke map)
12288 (dolist (lway `((next "next" next nil "n")
12289 (next-unread "next unread" next t "N")
12290 (prev "previous" prev nil "p")
12291 (prev-unread "previous unread" prev t "P")
12292 (nomove "" nil nil ,keystroke)))
12293 (let ((func (gnus-summary-make-marking-command-1
12294 mark (car lway) lway name)))
12295 (setq func (eval func))
12296 (define-key map (nth 4 lway) func)))))
12298 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12299 `(defun ,(intern
12300 (format "gnus-summary-put-mark-as-%s%s"
12301 name (if (eq way 'nomove)
12303 (concat "-" (symbol-name way)))))
12305 ,(format
12306 "Mark the current article as %s%s.
12307 If N, the prefix, then repeat N times.
12308 If N is negative, move in reverse order.
12309 The difference between N and the actual number of articles marked is
12310 returned."
12311 name (cadr lway))
12312 (interactive "p")
12313 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12315 (defun gnus-summary-generic-mark (n mark move unread)
12316 "Mark N articles with MARK."
12317 (unless (eq major-mode 'gnus-summary-mode)
12318 (error "This command can only be used in the summary buffer"))
12319 (gnus-summary-show-thread)
12320 (let ((nummove
12321 (cond
12322 ((eq move 'next) 1)
12323 ((eq move 'prev) -1)
12324 (t 0))))
12325 (if (zerop nummove)
12326 (setq n 1)
12327 (when (< n 0)
12328 (setq n (abs n)
12329 nummove (* -1 nummove))))
12330 (while (and (> n 0)
12331 (gnus-summary-mark-article nil mark)
12332 (zerop (gnus-summary-next-subject nummove unread t)))
12333 (setq n (1- n)))
12334 (when (/= 0 n)
12335 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12336 (gnus-summary-recenter)
12337 (gnus-summary-position-point)
12338 (gnus-set-mode-line 'summary)
12341 (defun gnus-summary-insert-articles (articles)
12342 (when (setq articles
12343 (gnus-sorted-difference articles
12344 (mapcar (lambda (h)
12345 (mail-header-number h))
12346 gnus-newsgroup-headers)))
12347 (setq gnus-newsgroup-headers
12348 (gnus-merge 'list
12349 gnus-newsgroup-headers
12350 (gnus-fetch-headers articles)
12351 'gnus-article-sort-by-number))
12352 ;; Suppress duplicates?
12353 (when gnus-suppress-duplicates
12354 (gnus-dup-suppress-articles))
12356 (if (and gnus-fetch-old-headers
12357 (eq gnus-headers-retrieved-by 'nov))
12358 ;; We might want to build some more threads first.
12359 (if (eq gnus-fetch-old-headers 'invisible)
12360 (gnus-build-all-threads)
12361 (gnus-build-old-threads))
12362 ;; Mark the inserted articles that are unread as unread.
12363 (setq gnus-newsgroup-unreads
12364 (gnus-sorted-nunion
12365 gnus-newsgroup-unreads
12366 (gnus-sorted-nintersection
12367 (gnus-list-of-unread-articles gnus-newsgroup-name)
12368 articles)))
12369 ;; Mark the inserted articles as selected so that the information
12370 ;; of the marks having been changed by a user may be updated when
12371 ;; exiting this group. See `gnus-summary-update-info'.
12372 (dolist (art articles)
12373 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12374 ;; Let the Gnus agent mark articles as read.
12375 (when gnus-agent
12376 (gnus-agent-get-undownloaded-list))
12377 ;; Remove list identifiers from subject
12378 (when gnus-list-identifiers
12379 (gnus-summary-remove-list-identifiers))
12380 ;; First and last article in this newsgroup.
12381 (when gnus-newsgroup-headers
12382 (setq gnus-newsgroup-begin
12383 (mail-header-number (car gnus-newsgroup-headers))
12384 gnus-newsgroup-end
12385 (mail-header-number
12386 (gnus-last-element gnus-newsgroup-headers))))
12387 (when gnus-use-scoring
12388 (gnus-possibly-score-headers))))
12390 (defun gnus-summary-insert-old-articles (&optional all)
12391 "Insert all old articles in this group.
12392 If ALL is non-nil, already read articles become readable.
12393 If ALL is a number, fetch this number of articles."
12394 (interactive "P")
12395 (prog1
12396 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12397 older len)
12398 (setq older
12399 ;; Some nntp servers lie about their active range. When
12400 ;; this happens, the active range can be in the millions.
12401 ;; Use a compressed range to avoid creating a huge list.
12402 (gnus-range-difference (list gnus-newsgroup-active) old))
12403 (setq len (gnus-range-length older))
12404 (cond
12405 ((null older) nil)
12406 ((numberp all)
12407 (if (< all len)
12408 (let ((older-range (nreverse older)))
12409 (setq older nil)
12411 (while (> all 0)
12412 (let* ((r (pop older-range))
12413 (min (if (numberp r) r (car r)))
12414 (max (if (numberp r) r (cdr r))))
12415 (while (and (<= min max)
12416 (> all 0))
12417 (push max older)
12418 (setq all (1- all)
12419 max (1- max))))))
12420 (setq older (gnus-uncompress-range older))))
12421 (all
12422 (setq older (gnus-uncompress-range older)))
12424 (when (and (numberp gnus-large-newsgroup)
12425 (> len gnus-large-newsgroup))
12426 (let* ((cursor-in-echo-area nil)
12427 (initial (gnus-parameter-large-newsgroup-initial
12428 gnus-newsgroup-name))
12429 (input
12430 (read-string
12431 (format
12432 "How many articles from %s (%s %d): "
12433 (gnus-group-decoded-name gnus-newsgroup-name)
12434 (if initial "max" "default")
12435 len)
12436 (if initial
12437 (cons (number-to-string initial)
12438 0)))))
12439 (unless (string-match "^[ \t]*$" input)
12440 (setq all (string-to-number input))
12441 (if (< all len)
12442 (let ((older-range (nreverse older)))
12443 (setq older nil)
12445 (while (> all 0)
12446 (let* ((r (pop older-range))
12447 (min (if (numberp r) r (car r)))
12448 (max (if (numberp r) r (cdr r))))
12449 (while (and (<= min max)
12450 (> all 0))
12451 (push max older)
12452 (setq all (1- all)
12453 max (1- max))))))))))
12454 (setq older (gnus-uncompress-range older))))
12455 (if (not older)
12456 (message "No old news.")
12457 (gnus-summary-insert-articles older)
12458 (gnus-summary-limit (gnus-sorted-nunion old older))))
12459 (gnus-summary-position-point)))
12461 (defun gnus-summary-insert-new-articles ()
12462 "Insert all new articles in this group."
12463 (interactive)
12464 (prog1
12465 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12466 (old-active gnus-newsgroup-active)
12467 (nnmail-fetched-sources (list t))
12468 i new)
12469 (setq gnus-newsgroup-active
12470 (gnus-activate-group gnus-newsgroup-name 'scan))
12471 (setq i (cdr gnus-newsgroup-active))
12472 (while (> i (cdr old-active))
12473 (push i new)
12474 (decf i))
12475 (if (not new)
12476 (message "No gnus is bad news")
12477 (gnus-summary-insert-articles new)
12478 (setq gnus-newsgroup-unreads
12479 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12480 (gnus-summary-limit (gnus-sorted-nunion old new))))
12481 (gnus-summary-position-point)))
12483 (gnus-summary-make-all-marking-commands)
12485 (gnus-ems-redefine)
12487 (provide 'gnus-sum)
12489 (run-hooks 'gnus-sum-load-hook)
12491 ;; Local Variables:
12492 ;; coding: iso-8859-1
12493 ;; End:
12495 ;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
12496 ;;; gnus-sum.el ends here