* smime.el (from):
[emacs.git] / lisp / gnus / gnus-sum.el
blob214693ece8c8fbc3642b1103e99d16c23b8f6ff4
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 "p" gnus-uu-decode-postscript
2199 "P" gnus-uu-decode-postscript-and-save)
2201 (gnus-define-keys
2202 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2203 "u" gnus-uu-decode-uu-view
2204 "U" gnus-uu-decode-uu-and-save-view
2205 "s" gnus-uu-decode-unshar-view
2206 "S" gnus-uu-decode-unshar-and-save-view
2207 "o" gnus-uu-decode-save-view
2208 "O" gnus-uu-decode-save-view
2209 "b" gnus-uu-decode-binhex-view
2210 "B" gnus-uu-decode-binhex-view
2211 "p" gnus-uu-decode-postscript-view
2212 "P" gnus-uu-decode-postscript-and-save-view)
2214 (defvar gnus-article-post-menu nil)
2216 (defconst gnus-summary-menu-maxlen 20)
2218 (defun gnus-summary-menu-split (menu)
2219 ;; If we have lots of elements, divide them into groups of 20
2220 ;; and make a pane (or submenu) for each one.
2221 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2222 (let ((menu menu) sublists next
2223 (i 1))
2224 (while menu
2225 ;; Pull off the next gnus-summary-menu-maxlen elements
2226 ;; and make them the next element of sublist.
2227 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2228 (if next
2229 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2230 nil))
2231 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2232 (aref (car (last menu)) 0)) menu)
2233 sublists))
2234 (setq i (1+ i))
2235 (setq menu next))
2236 (nreverse sublists))
2237 ;; Few elements--put them all in one pane.
2238 menu))
2240 (defun gnus-summary-make-menu-bar ()
2241 (gnus-turn-off-edit-menu 'summary)
2243 (unless (boundp 'gnus-summary-misc-menu)
2245 (easy-menu-define
2246 gnus-summary-kill-menu gnus-summary-mode-map ""
2247 (cons
2248 "Score"
2249 (nconc
2250 (list
2251 ["Customize" gnus-score-customize t])
2252 (gnus-make-score-map 'increase)
2253 (gnus-make-score-map 'lower)
2254 '(("Mark"
2255 ["Kill below" gnus-summary-kill-below t]
2256 ["Mark above" gnus-summary-mark-above t]
2257 ["Tick above" gnus-summary-tick-above t]
2258 ["Clear above" gnus-summary-clear-above t])
2259 ["Current score" gnus-summary-current-score t]
2260 ["Set score" gnus-summary-set-score t]
2261 ["Switch current score file..." gnus-score-change-score-file t]
2262 ["Set mark below..." gnus-score-set-mark-below t]
2263 ["Set expunge below..." gnus-score-set-expunge-below t]
2264 ["Edit current score file" gnus-score-edit-current-scores t]
2265 ["Edit score file" gnus-score-edit-file t]
2266 ["Trace score" gnus-score-find-trace t]
2267 ["Find words" gnus-score-find-favourite-words t]
2268 ["Rescore buffer" gnus-summary-rescore t]
2269 ["Increase score..." gnus-summary-increase-score t]
2270 ["Lower score..." gnus-summary-lower-score t]))))
2272 ;; Define both the Article menu in the summary buffer and the
2273 ;; equivalent Commands menu in the article buffer here for
2274 ;; consistency.
2275 (let ((innards
2276 `(("Hide"
2277 ["All" gnus-article-hide t]
2278 ["Headers" gnus-article-hide-headers t]
2279 ["Signature" gnus-article-hide-signature t]
2280 ["Citation" gnus-article-hide-citation t]
2281 ["List identifiers" gnus-article-hide-list-identifiers t]
2282 ["Banner" gnus-article-strip-banner t]
2283 ["Boring headers" gnus-article-hide-boring-headers t])
2284 ("Highlight"
2285 ["All" gnus-article-highlight t]
2286 ["Headers" gnus-article-highlight-headers t]
2287 ["Signature" gnus-article-highlight-signature t]
2288 ["Citation" gnus-article-highlight-citation t])
2289 ("MIME"
2290 ["Words" gnus-article-decode-mime-words t]
2291 ["Charset" gnus-article-decode-charset t]
2292 ["QP" gnus-article-de-quoted-unreadable t]
2293 ["Base64" gnus-article-de-base64-unreadable t]
2294 ["View MIME buttons" gnus-summary-display-buttonized t]
2295 ["View all" gnus-mime-view-all-parts t]
2296 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2297 ["Encrypt body" gnus-article-encrypt-body
2298 :active (not (gnus-group-read-only-p))
2299 ,@(if (featurep 'xemacs) nil
2300 '(:help "Encrypt the message body on disk"))]
2301 ["Extract all parts..." gnus-summary-save-parts t]
2302 ("Multipart"
2303 ["Repair multipart" gnus-summary-repair-multipart t]
2304 ["Pipe part..." gnus-article-pipe-part t]
2305 ["Inline part" gnus-article-inline-part t]
2306 ["View part as type..." gnus-article-view-part-as-type t]
2307 ["Encrypt body" gnus-article-encrypt-body
2308 :active (not (gnus-group-read-only-p))
2309 ,@(if (featurep 'xemacs) nil
2310 '(:help "Encrypt the message body on disk"))]
2311 ["View part externally" gnus-article-view-part-externally t]
2312 ["View HTML parts in browser" gnus-article-browse-html-article t]
2313 ["View part with charset..." gnus-article-view-part-as-charset t]
2314 ["Copy part" gnus-article-copy-part t]
2315 ["Save part..." gnus-article-save-part t]
2316 ["View part" gnus-article-view-part t]))
2317 ("Date"
2318 ["Local" gnus-article-date-local t]
2319 ["ISO8601" gnus-article-date-iso8601 t]
2320 ["UT" gnus-article-date-ut t]
2321 ["Original" gnus-article-date-original t]
2322 ["Lapsed" gnus-article-date-lapsed t]
2323 ["User-defined" gnus-article-date-user t])
2324 ("Display"
2325 ["Remove images" gnus-article-remove-images t]
2326 ["Toggle smiley" gnus-treat-smiley t]
2327 ["Show X-Face" gnus-article-display-x-face t]
2328 ["Show picons in From" gnus-treat-from-picon t]
2329 ["Show picons in mail headers" gnus-treat-mail-picon t]
2330 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2331 ("View as different encoding"
2332 ,@(gnus-summary-menu-split
2333 (mapcar
2334 (lambda (cs)
2335 ;; Since easymenu under Emacs doesn't allow
2336 ;; lambda forms for menu commands, we should
2337 ;; provide intern'ed function symbols.
2338 (let ((command (intern (format "\
2339 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2340 (fset command
2341 `(lambda ()
2342 (interactive)
2343 (let ((gnus-summary-show-article-charset-alist
2344 '((1 . ,cs))))
2345 (gnus-summary-show-article 1))))
2346 `[,(symbol-name cs) ,command t]))
2347 (sort (if (fboundp 'coding-system-list)
2348 (coding-system-list)
2349 (mapcar 'car mm-mime-mule-charset-alist))
2350 'string<)))))
2351 ("Washing"
2352 ("Remove Blanks"
2353 ["Leading" gnus-article-strip-leading-blank-lines t]
2354 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2355 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2356 ["All of the above" gnus-article-strip-blank-lines t]
2357 ["All" gnus-article-strip-all-blank-lines t]
2358 ["Leading space" gnus-article-strip-leading-space t]
2359 ["Trailing space" gnus-article-strip-trailing-space t]
2360 ["Leading space in headers"
2361 gnus-article-remove-leading-whitespace t])
2362 ["Overstrike" gnus-article-treat-overstrike t]
2363 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2364 ["Emphasis" gnus-article-emphasize t]
2365 ["Word wrap" gnus-article-fill-cited-article t]
2366 ["Fill long lines" gnus-article-fill-long-lines t]
2367 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2368 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2369 ["Remove CR" gnus-article-remove-cr t]
2370 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2371 ["Base64" gnus-article-de-base64-unreadable t]
2372 ["Rot 13" gnus-summary-caesar-message
2373 ,@(if (featurep 'xemacs) '(t)
2374 '(:help "\"Caesar rotate\" article by 13"))]
2375 ["De-IDNA" gnus-summary-idna-message t]
2376 ["Morse decode" gnus-summary-morse-message t]
2377 ["Unix pipe..." gnus-summary-pipe-message t]
2378 ["Add buttons" gnus-article-add-buttons t]
2379 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2380 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2381 ["Verbose header" gnus-summary-verbose-headers t]
2382 ["Toggle header" gnus-summary-toggle-header t]
2383 ["Unfold headers" gnus-article-treat-unfold-headers t]
2384 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2385 ["Html" gnus-article-wash-html t]
2386 ["Unsplit URLs" gnus-article-unsplit-urls t]
2387 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2388 ["Decode HZ" gnus-article-decode-HZ t]
2389 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2390 ("(Outlook) Deuglify"
2391 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2392 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2393 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2394 ["Full (Outlook) deuglify"
2395 gnus-article-outlook-deuglify-article t])
2397 ("Output"
2398 ["Save in default format..." gnus-summary-save-article
2399 ,@(if (featurep 'xemacs) '(t)
2400 '(:help "Save article using default method"))]
2401 ["Save in file..." gnus-summary-save-article-file
2402 ,@(if (featurep 'xemacs) '(t)
2403 '(:help "Save article in file"))]
2404 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2405 ["Save in MH folder..." gnus-summary-save-article-folder t]
2406 ["Save in VM folder..." gnus-summary-save-article-vm t]
2407 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2408 ["Save body in file..." gnus-summary-save-article-body-file t]
2409 ["Pipe through a filter..." gnus-summary-pipe-output t]
2410 ["Add to SOUP packet" gnus-soup-add-article t]
2411 ["Print with Muttprint..." gnus-summary-muttprint t]
2412 ["Print" gnus-summary-print-article
2413 ,@(if (featurep 'xemacs) '(t)
2414 '(:help "Generate and print a PostScript image"))])
2415 ("Copy, move,... (Backend)"
2416 ,@(if (featurep 'xemacs) nil
2417 '(:help "Copying, moving, expiring articles..."))
2418 ["Respool article..." gnus-summary-respool-article t]
2419 ["Move article..." gnus-summary-move-article
2420 (gnus-check-backend-function
2421 'request-move-article gnus-newsgroup-name)]
2422 ["Copy article..." gnus-summary-copy-article t]
2423 ["Crosspost article..." gnus-summary-crosspost-article
2424 (gnus-check-backend-function
2425 'request-replace-article gnus-newsgroup-name)]
2426 ["Import file..." gnus-summary-import-article
2427 (gnus-check-backend-function
2428 'request-accept-article gnus-newsgroup-name)]
2429 ["Create article..." gnus-summary-create-article
2430 (gnus-check-backend-function
2431 'request-accept-article gnus-newsgroup-name)]
2432 ["Check if posted" gnus-summary-article-posted-p t]
2433 ["Edit article" gnus-summary-edit-article
2434 (not (gnus-group-read-only-p))]
2435 ["Delete article" gnus-summary-delete-article
2436 (gnus-check-backend-function
2437 'request-expire-articles gnus-newsgroup-name)]
2438 ["Query respool" gnus-summary-respool-query t]
2439 ["Trace respool" gnus-summary-respool-trace t]
2440 ["Delete expirable articles" gnus-summary-expire-articles-now
2441 (gnus-check-backend-function
2442 'request-expire-articles gnus-newsgroup-name)])
2443 ("Extract"
2444 ["Uudecode" gnus-uu-decode-uu
2445 ,@(if (featurep 'xemacs) '(t)
2446 '(:help "Decode uuencoded article(s)"))]
2447 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2448 ["Unshar" gnus-uu-decode-unshar t]
2449 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2450 ["Save" gnus-uu-decode-save t]
2451 ["Binhex" gnus-uu-decode-binhex t]
2452 ["Postscript" gnus-uu-decode-postscript t]
2453 ["All MIME parts" gnus-summary-save-parts t])
2454 ("Cache"
2455 ["Enter article" gnus-cache-enter-article t]
2456 ["Remove article" gnus-cache-remove-article t])
2457 ["Translate" gnus-article-babel t]
2458 ["Select article buffer" gnus-summary-select-article-buffer t]
2459 ["Make article buffer sticky" gnus-sticky-article t]
2460 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2461 ["Isearch article..." gnus-summary-isearch-article t]
2462 ["Beginning of the article" gnus-summary-beginning-of-article t]
2463 ["End of the article" gnus-summary-end-of-article t]
2464 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2465 ["Fetch referenced articles" gnus-summary-refer-references t]
2466 ["Fetch current thread" gnus-summary-refer-thread t]
2467 ["Fetch article with id..." gnus-summary-refer-article t]
2468 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2469 ["Redisplay" gnus-summary-show-article t]
2470 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2471 (easy-menu-define
2472 gnus-summary-article-menu gnus-summary-mode-map ""
2473 (cons "Article" innards))
2475 (if (not (keymapp gnus-summary-article-menu))
2476 (easy-menu-define
2477 gnus-article-commands-menu gnus-article-mode-map ""
2478 (cons "Commands" innards))
2479 ;; in Emacs, don't share menu.
2480 (setq gnus-article-commands-menu
2481 (copy-keymap gnus-summary-article-menu))
2482 (define-key gnus-article-mode-map [menu-bar commands]
2483 (cons "Commands" gnus-article-commands-menu))))
2485 (easy-menu-define
2486 gnus-summary-thread-menu gnus-summary-mode-map ""
2487 '("Threads"
2488 ["Find all messages in thread" gnus-summary-refer-thread t]
2489 ["Toggle threading" gnus-summary-toggle-threads t]
2490 ["Hide threads" gnus-summary-hide-all-threads t]
2491 ["Show threads" gnus-summary-show-all-threads t]
2492 ["Hide thread" gnus-summary-hide-thread t]
2493 ["Show thread" gnus-summary-show-thread t]
2494 ["Go to next thread" gnus-summary-next-thread t]
2495 ["Go to previous thread" gnus-summary-prev-thread t]
2496 ["Go down thread" gnus-summary-down-thread t]
2497 ["Go up thread" gnus-summary-up-thread t]
2498 ["Top of thread" gnus-summary-top-thread t]
2499 ["Mark thread as read" gnus-summary-kill-thread t]
2500 ["Mark thread as expired" gnus-summary-expire-thread t]
2501 ["Lower thread score" gnus-summary-lower-thread t]
2502 ["Raise thread score" gnus-summary-raise-thread t]
2503 ["Rethread current" gnus-summary-rethread-current t]))
2505 (easy-menu-define
2506 gnus-summary-post-menu gnus-summary-mode-map ""
2507 `("Post"
2508 ["Send a message (mail or news)" gnus-summary-post-news
2509 ,@(if (featurep 'xemacs) '(t)
2510 '(:help "Compose a new message (mail or news)"))]
2511 ["Followup" gnus-summary-followup
2512 ,@(if (featurep 'xemacs) '(t)
2513 '(:help "Post followup to this article"))]
2514 ["Followup and yank" gnus-summary-followup-with-original
2515 ,@(if (featurep 'xemacs) '(t)
2516 '(:help "Post followup to this article, quoting its contents"))]
2517 ["Supersede article" gnus-summary-supersede-article t]
2518 ["Cancel article" gnus-summary-cancel-article
2519 ,@(if (featurep 'xemacs) '(t)
2520 '(:help "Cancel an article you posted"))]
2521 ["Reply" gnus-summary-reply t]
2522 ["Reply and yank" gnus-summary-reply-with-original t]
2523 ["Wide reply" gnus-summary-wide-reply t]
2524 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2525 ,@(if (featurep 'xemacs) '(t)
2526 '(:help "Mail a reply, quoting this article"))]
2527 ["Very wide reply" gnus-summary-very-wide-reply t]
2528 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2529 ,@(if (featurep 'xemacs) '(t)
2530 '(:help "Mail a very wide reply, quoting this article"))]
2531 ["Mail forward" gnus-summary-mail-forward t]
2532 ["Post forward" gnus-summary-post-forward t]
2533 ["Digest and mail" gnus-uu-digest-mail-forward t]
2534 ["Digest and post" gnus-uu-digest-post-forward t]
2535 ["Resend message" gnus-summary-resend-message t]
2536 ["Resend message edit" gnus-summary-resend-message-edit t]
2537 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2538 ["Send a mail" gnus-summary-mail-other-window t]
2539 ["Create a local message" gnus-summary-news-other-window t]
2540 ["Uuencode and post" gnus-uu-post-news
2541 ,@(if (featurep 'xemacs) '(t)
2542 '(:help "Post a uuencoded article"))]
2543 ["Followup via news" gnus-summary-followup-to-mail t]
2544 ["Followup via news and yank"
2545 gnus-summary-followup-to-mail-with-original t]
2546 ;;("Draft"
2547 ;;["Send" gnus-summary-send-draft t]
2548 ;;["Send bounced" gnus-resend-bounced-mail t])
2551 (cond
2552 ((not (keymapp gnus-summary-post-menu))
2553 (setq gnus-article-post-menu gnus-summary-post-menu))
2554 ((not gnus-article-post-menu)
2555 ;; Don't share post menu.
2556 (setq gnus-article-post-menu
2557 (copy-keymap gnus-summary-post-menu))))
2558 (define-key gnus-article-mode-map [menu-bar post]
2559 (cons "Post" gnus-article-post-menu))
2561 (easy-menu-define
2562 gnus-summary-misc-menu gnus-summary-mode-map ""
2563 `("Gnus"
2564 ("Mark Read"
2565 ["Mark as read" gnus-summary-mark-as-read-forward t]
2566 ["Mark same subject and select"
2567 gnus-summary-kill-same-subject-and-select t]
2568 ["Mark same subject" gnus-summary-kill-same-subject t]
2569 ["Catchup" gnus-summary-catchup
2570 ,@(if (featurep 'xemacs) '(t)
2571 '(:help "Mark unread articles in this group as read"))]
2572 ["Catchup all" gnus-summary-catchup-all t]
2573 ["Catchup to here" gnus-summary-catchup-to-here t]
2574 ["Catchup from here" gnus-summary-catchup-from-here t]
2575 ["Catchup region" gnus-summary-mark-region-as-read
2576 (gnus-mark-active-p)]
2577 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2578 ("Mark Various"
2579 ["Tick" gnus-summary-tick-article-forward t]
2580 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2581 ["Remove marks" gnus-summary-clear-mark-forward t]
2582 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2583 ["Set bookmark" gnus-summary-set-bookmark t]
2584 ["Remove bookmark" gnus-summary-remove-bookmark t])
2585 ("Limit to"
2586 ["Marks..." gnus-summary-limit-to-marks t]
2587 ["Subject..." gnus-summary-limit-to-subject t]
2588 ["Author..." gnus-summary-limit-to-author t]
2589 ["Recipient..." gnus-summary-limit-to-recipient t]
2590 ["Address..." gnus-summary-limit-to-address t]
2591 ["Age..." gnus-summary-limit-to-age t]
2592 ["Extra..." gnus-summary-limit-to-extra t]
2593 ["Score..." gnus-summary-limit-to-score t]
2594 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2595 ["Unread" gnus-summary-limit-to-unread t]
2596 ["Unseen" gnus-summary-limit-to-unseen t]
2597 ["Singletons" gnus-summary-limit-to-singletons t]
2598 ["Replied" gnus-summary-limit-to-replied t]
2599 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2600 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2601 ["Pop limit" gnus-summary-pop-limit t]
2602 ["Show dormant" gnus-summary-limit-include-dormant t]
2603 ["Hide childless dormant"
2604 gnus-summary-limit-exclude-childless-dormant t]
2605 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2606 ["Hide marked" gnus-summary-limit-exclude-marks t]
2607 ["Show expunged" gnus-summary-limit-include-expunged t])
2608 ("Process Mark"
2609 ["Set mark" gnus-summary-mark-as-processable t]
2610 ["Remove mark" gnus-summary-unmark-as-processable t]
2611 ["Remove all marks" gnus-summary-unmark-all-processable t]
2612 ["Invert marks" gnus-uu-invert-processable t]
2613 ["Mark above" gnus-uu-mark-over t]
2614 ["Mark series" gnus-uu-mark-series t]
2615 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2616 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2617 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2618 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2619 ["Mark all" gnus-uu-mark-all t]
2620 ["Mark buffer" gnus-uu-mark-buffer t]
2621 ["Mark sparse" gnus-uu-mark-sparse t]
2622 ["Mark thread" gnus-uu-mark-thread t]
2623 ["Unmark thread" gnus-uu-unmark-thread t]
2624 ("Process Mark Sets"
2625 ["Kill" gnus-summary-kill-process-mark t]
2626 ["Yank" gnus-summary-yank-process-mark
2627 gnus-newsgroup-process-stack]
2628 ["Save" gnus-summary-save-process-mark t]
2629 ["Run command on marked..." gnus-summary-universal-argument t]))
2630 ("Scroll article"
2631 ["Page forward" gnus-summary-next-page
2632 ,@(if (featurep 'xemacs) '(t)
2633 '(:help "Show next page of article"))]
2634 ["Page backward" gnus-summary-prev-page
2635 ,@(if (featurep 'xemacs) '(t)
2636 '(:help "Show previous page of article"))]
2637 ["Line forward" gnus-summary-scroll-up t])
2638 ("Move"
2639 ["Next unread article" gnus-summary-next-unread-article t]
2640 ["Previous unread article" gnus-summary-prev-unread-article t]
2641 ["Next article" gnus-summary-next-article t]
2642 ["Previous article" gnus-summary-prev-article t]
2643 ["Next unread subject" gnus-summary-next-unread-subject t]
2644 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2645 ["Next article same subject" gnus-summary-next-same-subject t]
2646 ["Previous article same subject" gnus-summary-prev-same-subject t]
2647 ["First unread article" gnus-summary-first-unread-article t]
2648 ["Best unread article" gnus-summary-best-unread-article t]
2649 ["Go to subject number..." gnus-summary-goto-subject t]
2650 ["Go to article number..." gnus-summary-goto-article t]
2651 ["Go to the last article" gnus-summary-goto-last-article t]
2652 ["Pop article off history" gnus-summary-pop-article t])
2653 ("Sort"
2654 ["Sort by number" gnus-summary-sort-by-number t]
2655 ["Sort by author" gnus-summary-sort-by-author t]
2656 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2657 ["Sort by subject" gnus-summary-sort-by-subject t]
2658 ["Sort by date" gnus-summary-sort-by-date t]
2659 ["Sort by score" gnus-summary-sort-by-score t]
2660 ["Sort by lines" gnus-summary-sort-by-lines t]
2661 ["Sort by characters" gnus-summary-sort-by-chars t]
2662 ["Randomize" gnus-summary-sort-by-random t]
2663 ["Original sort" gnus-summary-sort-by-original t])
2664 ("Help"
2665 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2666 ["Describe group" gnus-summary-describe-group t]
2667 ["Fetch charter" gnus-group-fetch-charter
2668 ,@(if (featurep 'xemacs) nil
2669 '(:help "Display the charter of the current group"))]
2670 ["Fetch control message" gnus-group-fetch-control
2671 ,@(if (featurep 'xemacs) nil
2672 '(:help "Display the archived control message for the current group"))]
2673 ["Read manual" gnus-info-find-node t])
2674 ("Modes"
2675 ["Pick and read" gnus-pick-mode t]
2676 ["Binary" gnus-binary-mode t])
2677 ("Regeneration"
2678 ["Regenerate" gnus-summary-prepare t]
2679 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2680 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2681 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2682 ["Toggle threading" gnus-summary-toggle-threads t])
2683 ["See old articles" gnus-summary-insert-old-articles t]
2684 ["See new articles" gnus-summary-insert-new-articles t]
2685 ["Filter articles..." gnus-summary-execute-command t]
2686 ["Run command on articles..." gnus-summary-universal-argument t]
2687 ["Search articles forward..." gnus-summary-search-article-forward t]
2688 ["Search articles backward..." gnus-summary-search-article-backward t]
2689 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2690 ["Expand window" gnus-summary-expand-window t]
2691 ["Expire expirable articles" gnus-summary-expire-articles
2692 (gnus-check-backend-function
2693 'request-expire-articles gnus-newsgroup-name)]
2694 ["Edit local kill file" gnus-summary-edit-local-kill t]
2695 ["Edit main kill file" gnus-summary-edit-global-kill t]
2696 ["Edit group parameters" gnus-summary-edit-parameters t]
2697 ["Customize group parameters" gnus-summary-customize-parameters t]
2698 ["Send a bug report" gnus-bug t]
2699 ("Exit"
2700 ["Catchup and exit" gnus-summary-catchup-and-exit
2701 ,@(if (featurep 'xemacs) '(t)
2702 '(:help "Mark unread articles in this group as read, then exit"))]
2703 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2704 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2705 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2706 ["Exit group" gnus-summary-exit
2707 ,@(if (featurep 'xemacs) '(t)
2708 '(:help "Exit current group, return to group selection mode"))]
2709 ["Exit group without updating" gnus-summary-exit-no-update t]
2710 ["Exit and goto next group" gnus-summary-next-group t]
2711 ["Exit and goto prev group" gnus-summary-prev-group t]
2712 ["Reselect group" gnus-summary-reselect-current-group t]
2713 ["Rescan group" gnus-summary-rescan-group t]
2714 ["Update dribble" gnus-summary-save-newsrc t])))
2716 (gnus-run-hooks 'gnus-summary-menu-hook)))
2718 (defvar gnus-summary-tool-bar-map nil)
2720 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2721 ;; affect _new_ message buffers. We might add a function that walks thru all
2722 ;; summary-mode buffers and force the update.
2723 (defun gnus-summary-tool-bar-update (&optional symbol value)
2724 "Update summary mode toolbar.
2725 Setter function for custom variables."
2726 (setq-default gnus-summary-tool-bar-map nil)
2727 (when symbol
2728 ;; When used as ":set" function:
2729 (set-default symbol value))
2730 (when (gnus-buffer-live-p gnus-summary-buffer)
2731 (with-current-buffer gnus-summary-buffer
2732 (gnus-summary-make-tool-bar))))
2734 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2735 'gnus-summary-tool-bar-gnome
2736 'gnus-summary-tool-bar-retro)
2737 "Specifies the Gnus summary tool bar.
2739 It can be either a list or a symbol refering to a list. See
2740 `gmm-tool-bar-from-list' for the format of the list. The
2741 default key map is `gnus-summary-mode-map'.
2743 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2744 `gnus-summary-tool-bar-retro'."
2745 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2746 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2747 (repeat :tag "User defined list" gmm-tool-bar-item)
2748 (symbol))
2749 :version "23.0" ;; No Gnus
2750 :initialize 'custom-initialize-default
2751 :set 'gnus-summary-tool-bar-update
2752 :group 'gnus-summary)
2754 (defcustom gnus-summary-tool-bar-gnome
2755 '((gnus-summary-post-news "mail/compose" nil)
2756 (gnus-summary-insert-new-articles "mail/inbox" nil
2757 :visible (or (not gnus-agent)
2758 gnus-plugged))
2759 (gnus-summary-reply-with-original "mail/reply")
2760 (gnus-summary-reply "mail/reply" nil :visible nil)
2761 (gnus-summary-followup-with-original "mail/reply-all")
2762 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2763 (gnus-summary-mail-forward "mail/forward")
2764 (gnus-summary-save-article "mail/save")
2765 (gnus-summary-search-article-forward "search" nil :visible nil)
2766 (gnus-summary-print-article "print")
2767 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2768 ;; Some new commands that may need more suitable icons:
2769 (gnus-summary-save-newsrc "save" nil :visible nil)
2770 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2771 (gnus-summary-prev-article "left-arrow")
2772 (gnus-summary-next-article "right-arrow")
2773 (gnus-summary-next-page "next-page")
2774 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2776 ;; Maybe some sort-by-... could be added:
2777 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2778 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2779 (gnus-summary-mark-as-expirable
2780 "delete" nil
2781 :visible (gnus-check-backend-function 'request-expire-articles
2782 gnus-newsgroup-name))
2783 (gnus-summary-mark-as-spam
2784 "mail/spam" t
2785 :visible (and (fboundp 'spam-group-ham-contents-p)
2786 (spam-group-ham-contents-p gnus-newsgroup-name))
2787 :help "Mark as spam")
2788 (gnus-summary-mark-as-read-forward
2789 "mail/not-spam" nil
2790 :visible (and (fboundp 'spam-group-spam-contents-p)
2791 (spam-group-spam-contents-p gnus-newsgroup-name)))
2793 (gnus-summary-exit "exit")
2794 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2795 (gnus-info-find-node "help"))
2796 "List of functions for the summary tool bar (GNOME style).
2798 See `gmm-tool-bar-from-list' for the format of the list."
2799 :type '(repeat gmm-tool-bar-item)
2800 :version "23.0" ;; No Gnus
2801 :initialize 'custom-initialize-default
2802 :set 'gnus-summary-tool-bar-update
2803 :group 'gnus-summary)
2805 (defcustom gnus-summary-tool-bar-retro
2806 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2807 (gnus-summary-next-unread-article "gnus/next-ur")
2808 (gnus-summary-post-news "gnus/post")
2809 (gnus-summary-followup-with-original "gnus/fuwo")
2810 (gnus-summary-followup "gnus/followup")
2811 (gnus-summary-reply-with-original "gnus/reply-wo")
2812 (gnus-summary-reply "gnus/reply")
2813 (gnus-summary-caesar-message "gnus/rot13")
2814 (gnus-uu-decode-uu "gnus/uu-decode")
2815 (gnus-summary-save-article-file "gnus/save-aif")
2816 (gnus-summary-save-article "gnus/save-art")
2817 (gnus-uu-post-news "gnus/uu-post")
2818 (gnus-summary-catchup "gnus/catchup")
2819 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2820 (gnus-summary-exit "gnus/exit-summ")
2821 ;; Some new command that may need more suitable icons:
2822 (gnus-summary-print-article "gnus/print" nil :visible nil)
2823 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2824 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2825 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2826 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2827 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2828 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2830 (gnus-info-find-node "gnus/help" nil :visible nil))
2831 "List of functions for the summary tool bar (retro look).
2833 See `gmm-tool-bar-from-list' for the format of the list."
2834 :type '(repeat gmm-tool-bar-item)
2835 :version "23.0" ;; No Gnus
2836 :initialize 'custom-initialize-default
2837 :set 'gnus-summary-tool-bar-update
2838 :group 'gnus-summary)
2840 (defcustom gnus-summary-tool-bar-zap-list t
2841 "List of icon items from the global tool bar.
2842 These items are not displayed in the Gnus summary mode tool bar.
2844 See `gmm-tool-bar-from-list' for the format of the list."
2845 :type 'gmm-tool-bar-zap-list
2846 :version "23.0" ;; No Gnus
2847 :initialize 'custom-initialize-default
2848 :set 'gnus-summary-tool-bar-update
2849 :group 'gnus-summary)
2851 (defvar image-load-path)
2853 (defun gnus-summary-make-tool-bar (&optional force)
2854 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2855 When FORCE, rebuild the tool bar."
2856 (when (and (not (featurep 'xemacs))
2857 (boundp 'tool-bar-mode)
2858 tool-bar-mode
2859 (or (not gnus-summary-tool-bar-map) force))
2860 (let* ((load-path
2861 (gmm-image-load-path-for-library "gnus"
2862 "mail/save.xpm"
2863 nil t))
2864 (image-load-path (cons (car load-path)
2865 (when (boundp 'image-load-path)
2866 image-load-path)))
2867 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2868 gnus-summary-tool-bar-zap-list
2869 'gnus-summary-mode-map)))
2870 (when map
2871 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2872 ;; uses it's value.
2873 (setq gnus-summary-tool-bar-map map))))
2874 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2876 (defun gnus-score-set-default (var value)
2877 "A version of set that updates the GNU Emacs menu-bar."
2878 (set var value)
2879 ;; It is the message that forces the active status to be updated.
2880 (message ""))
2882 (defun gnus-make-score-map (type)
2883 "Make a summary score map of type TYPE."
2884 (if t
2886 (let ((headers '(("author" "from" string)
2887 ("subject" "subject" string)
2888 ("article body" "body" string)
2889 ("article head" "head" string)
2890 ("xref" "xref" string)
2891 ("extra header" "extra" string)
2892 ("lines" "lines" number)
2893 ("followups to author" "followup" string)))
2894 (types '((number ("less than" <)
2895 ("greater than" >)
2896 ("equal" =))
2897 (string ("substring" s)
2898 ("exact string" e)
2899 ("fuzzy string" f)
2900 ("regexp" r))))
2901 (perms '(("temporary" (current-time-string))
2902 ("permanent" nil)
2903 ("immediate" now)))
2904 header)
2905 (list
2906 (apply
2907 'nconc
2908 (list
2909 (if (eq type 'lower)
2910 "Lower score"
2911 "Increase score"))
2912 (let (outh)
2913 (while headers
2914 (setq header (car headers))
2915 (setq outh
2916 (cons
2917 (apply
2918 'nconc
2919 (list (car header))
2920 (let ((ts (cdr (assoc (nth 2 header) types)))
2921 outt)
2922 (while ts
2923 (setq outt
2924 (cons
2925 (apply
2926 'nconc
2927 (list (caar ts))
2928 (let ((ps perms)
2929 outp)
2930 (while ps
2931 (setq outp
2932 (cons
2933 (vector
2934 (caar ps)
2935 (list
2936 'gnus-summary-score-entry
2937 (nth 1 header)
2938 (if (or (string= (nth 1 header)
2939 "head")
2940 (string= (nth 1 header)
2941 "body"))
2943 (list 'gnus-summary-header
2944 (nth 1 header)))
2945 (list 'quote (nth 1 (car ts)))
2946 (list 'gnus-score-delta-default
2947 nil)
2948 (nth 1 (car ps))
2951 outp))
2952 (setq ps (cdr ps)))
2953 (list (nreverse outp))))
2954 outt))
2955 (setq ts (cdr ts)))
2956 (list (nreverse outt))))
2957 outh))
2958 (setq headers (cdr headers)))
2959 (list (nreverse outh))))))))
2963 (defun gnus-summary-mode (&optional group)
2964 "Major mode for reading articles.
2966 All normal editing commands are switched off.
2967 \\<gnus-summary-mode-map>
2968 Each line in this buffer represents one article. To read an
2969 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2970 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2971 respectively.
2973 You can also post articles and send mail from this buffer. To
2974 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2975 of an article, type `\\[gnus-summary-reply]'.
2977 There are approx. one gazillion commands you can execute in this
2978 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2980 The following commands are available:
2982 \\{gnus-summary-mode-map}"
2983 (interactive)
2984 (kill-all-local-variables)
2985 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2986 (gnus-summary-make-local-variables))
2987 (gnus-summary-make-local-variables)
2988 (setq gnus-newsgroup-name group)
2989 (when (gnus-visual-p 'summary-menu 'menu)
2990 (gnus-summary-make-menu-bar)
2991 (gnus-summary-make-tool-bar))
2992 (gnus-make-thread-indent-array)
2993 (gnus-simplify-mode-line)
2994 (setq major-mode 'gnus-summary-mode)
2995 (setq mode-name "Summary")
2996 (make-local-variable 'minor-mode-alist)
2997 (use-local-map gnus-summary-mode-map)
2998 (buffer-disable-undo)
2999 (setq buffer-read-only t ;Disable modification
3000 show-trailing-whitespace nil)
3001 (setq truncate-lines t)
3002 (setq selective-display t)
3003 (setq selective-display-ellipses t) ;Display `...'
3004 (gnus-summary-set-display-table)
3005 (gnus-set-default-directory)
3006 (make-local-variable 'gnus-summary-line-format)
3007 (make-local-variable 'gnus-summary-line-format-spec)
3008 (make-local-variable 'gnus-summary-dummy-line-format)
3009 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3010 (make-local-variable 'gnus-summary-mark-positions)
3011 (gnus-make-local-hook 'pre-command-hook)
3012 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3013 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3014 (turn-on-gnus-mailing-list-mode)
3015 (mm-enable-multibyte)
3016 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3017 (gnus-update-summary-mark-positions))
3019 (defun gnus-summary-make-local-variables ()
3020 "Make all the local summary buffer variables."
3021 (let (global)
3022 (dolist (local gnus-summary-local-variables)
3023 (if (consp local)
3024 (progn
3025 (if (eq (cdr local) 'global)
3026 ;; Copy the global value of the variable.
3027 (setq global (symbol-value (car local)))
3028 ;; Use the value from the list.
3029 (setq global (eval (cdr local))))
3030 (set (make-local-variable (car local)) global))
3031 ;; Simple nil-valued local variable.
3032 (set (make-local-variable local) nil)))))
3034 (defun gnus-summary-clear-local-variables ()
3035 (let ((locals gnus-summary-local-variables))
3036 (while locals
3037 (if (consp (car locals))
3038 (and (symbolp (caar locals))
3039 (set (caar locals) nil))
3040 (and (symbolp (car locals))
3041 (set (car locals) nil)))
3042 (setq locals (cdr locals)))))
3044 ;; Summary data functions.
3046 (defmacro gnus-data-number (data)
3047 `(car ,data))
3049 (defmacro gnus-data-set-number (data number)
3050 `(setcar ,data ,number))
3052 (defmacro gnus-data-mark (data)
3053 `(nth 1 ,data))
3055 (defmacro gnus-data-set-mark (data mark)
3056 `(setcar (nthcdr 1 ,data) ,mark))
3058 (defmacro gnus-data-pos (data)
3059 `(nth 2 ,data))
3061 (defmacro gnus-data-set-pos (data pos)
3062 `(setcar (nthcdr 2 ,data) ,pos))
3064 (defmacro gnus-data-header (data)
3065 `(nth 3 ,data))
3067 (defmacro gnus-data-set-header (data header)
3068 `(setf (nth 3 ,data) ,header))
3070 (defmacro gnus-data-level (data)
3071 `(nth 4 ,data))
3073 (defmacro gnus-data-unread-p (data)
3074 `(= (nth 1 ,data) gnus-unread-mark))
3076 (defmacro gnus-data-read-p (data)
3077 `(/= (nth 1 ,data) gnus-unread-mark))
3079 (defmacro gnus-data-pseudo-p (data)
3080 `(consp (nth 3 ,data)))
3082 (defmacro gnus-data-find (number)
3083 `(assq ,number gnus-newsgroup-data))
3085 (defmacro gnus-data-find-list (number &optional data)
3086 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3087 (memq (assq ,number bdata)
3088 bdata)))
3090 (defmacro gnus-data-make (number mark pos header level)
3091 `(list ,number ,mark ,pos ,header ,level))
3093 (defun gnus-data-enter (after-article number mark pos header level offset)
3094 (let ((data (gnus-data-find-list after-article)))
3095 (unless data
3096 (error "No such article: %d" after-article))
3097 (setcdr data (cons (gnus-data-make number mark pos header level)
3098 (cdr data)))
3099 (setq gnus-newsgroup-data-reverse nil)
3100 (gnus-data-update-list (cddr data) offset)))
3102 (defun gnus-data-enter-list (after-article list &optional offset)
3103 (when list
3104 (let ((data (and after-article (gnus-data-find-list after-article)))
3105 (ilist list))
3106 (if (not (or data
3107 after-article))
3108 (let ((odata gnus-newsgroup-data))
3109 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3110 (when offset
3111 (gnus-data-update-list odata offset)))
3112 ;; Find the last element in the list to be spliced into the main
3113 ;; list.
3114 (setq list (last list))
3115 (if (not data)
3116 (progn
3117 (setcdr list gnus-newsgroup-data)
3118 (setq gnus-newsgroup-data ilist)
3119 (when offset
3120 (gnus-data-update-list (cdr list) offset)))
3121 (setcdr list (cdr data))
3122 (setcdr data ilist)
3123 (when offset
3124 (gnus-data-update-list (cdr list) offset))))
3125 (setq gnus-newsgroup-data-reverse nil))))
3127 (defun gnus-data-remove (article &optional offset)
3128 (let ((data gnus-newsgroup-data))
3129 (if (= (gnus-data-number (car data)) article)
3130 (progn
3131 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3132 gnus-newsgroup-data-reverse nil)
3133 (when offset
3134 (gnus-data-update-list gnus-newsgroup-data offset)))
3135 (while (cdr data)
3136 (when (= (gnus-data-number (cadr data)) article)
3137 (setcdr data (cddr data))
3138 (when offset
3139 (gnus-data-update-list (cdr data) offset))
3140 (setq data nil
3141 gnus-newsgroup-data-reverse nil))
3142 (setq data (cdr data))))))
3144 (defmacro gnus-data-list (backward)
3145 `(if ,backward
3146 (or gnus-newsgroup-data-reverse
3147 (setq gnus-newsgroup-data-reverse
3148 (reverse gnus-newsgroup-data)))
3149 gnus-newsgroup-data))
3151 (defun gnus-data-update-list (data offset)
3152 "Add OFFSET to the POS of all data entries in DATA."
3153 (setq gnus-newsgroup-data-reverse nil)
3154 (while data
3155 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3156 (setq data (cdr data))))
3158 (defun gnus-summary-article-pseudo-p (article)
3159 "Say whether this article is a pseudo article or not."
3160 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3162 (defmacro gnus-summary-article-sparse-p (article)
3163 "Say whether this article is a sparse article or not."
3164 `(memq ,article gnus-newsgroup-sparse))
3166 (defmacro gnus-summary-article-ancient-p (article)
3167 "Say whether this article is a sparse article or not."
3168 `(memq ,article gnus-newsgroup-ancient))
3170 (defun gnus-article-parent-p (number)
3171 "Say whether this article is a parent or not."
3172 (let ((data (gnus-data-find-list number)))
3173 (and (cdr data) ; There has to be an article after...
3174 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3175 (gnus-data-level (nth 1 data))))))
3177 (defun gnus-article-children (number)
3178 "Return a list of all children to NUMBER."
3179 (let* ((data (gnus-data-find-list number))
3180 (level (gnus-data-level (car data)))
3181 children)
3182 (setq data (cdr data))
3183 (while (and data
3184 (= (gnus-data-level (car data)) (1+ level)))
3185 (push (gnus-data-number (car data)) children)
3186 (setq data (cdr data)))
3187 children))
3189 (defmacro gnus-summary-skip-intangible ()
3190 "If the current article is intangible, then jump to a different article."
3191 '(let ((to (get-text-property (point) 'gnus-intangible)))
3192 (and to (gnus-summary-goto-subject to))))
3194 (defmacro gnus-summary-article-intangible-p ()
3195 "Say whether this article is intangible or not."
3196 '(get-text-property (point) 'gnus-intangible))
3198 (defun gnus-article-read-p (article)
3199 "Say whether ARTICLE is read or not."
3200 (not (or (memq article gnus-newsgroup-marked)
3201 (memq article gnus-newsgroup-spam-marked)
3202 (memq article gnus-newsgroup-unreads)
3203 (memq article gnus-newsgroup-unselected)
3204 (memq article gnus-newsgroup-dormant))))
3206 ;; Some summary mode macros.
3208 (defmacro gnus-summary-article-number ()
3209 "The article number of the article on the current line.
3210 If there isn't an article number here, then we return the current
3211 article number."
3212 '(progn
3213 (gnus-summary-skip-intangible)
3214 (or (get-text-property (point) 'gnus-number)
3215 (gnus-summary-last-subject))))
3217 (defmacro gnus-summary-article-header (&optional number)
3218 "Return the header of article NUMBER."
3219 `(gnus-data-header (gnus-data-find
3220 ,(or number '(gnus-summary-article-number)))))
3222 (defmacro gnus-summary-thread-level (&optional number)
3223 "Return the level of thread that starts with article NUMBER."
3224 `(if (and (eq gnus-summary-make-false-root 'dummy)
3225 (get-text-property (point) 'gnus-intangible))
3227 (gnus-data-level (gnus-data-find
3228 ,(or number '(gnus-summary-article-number))))))
3230 (defmacro gnus-summary-article-mark (&optional number)
3231 "Return the mark of article NUMBER."
3232 `(gnus-data-mark (gnus-data-find
3233 ,(or number '(gnus-summary-article-number)))))
3235 (defmacro gnus-summary-article-pos (&optional number)
3236 "Return the position of the line of article NUMBER."
3237 `(gnus-data-pos (gnus-data-find
3238 ,(or number '(gnus-summary-article-number)))))
3240 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3241 (defmacro gnus-summary-article-subject (&optional number)
3242 "Return current subject string or nil if nothing."
3243 `(let ((headers
3244 ,(if number
3245 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3246 '(gnus-data-header (assq (gnus-summary-article-number)
3247 gnus-newsgroup-data)))))
3248 (and headers
3249 (vectorp headers)
3250 (mail-header-subject headers))))
3252 (defmacro gnus-summary-article-score (&optional number)
3253 "Return current article score."
3254 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3255 gnus-newsgroup-scored))
3256 gnus-summary-default-score 0))
3258 (defun gnus-summary-article-children (&optional number)
3259 "Return a list of article numbers that are children of article NUMBER."
3260 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3261 (level (gnus-data-level (car data)))
3262 l children)
3263 (while (and (setq data (cdr data))
3264 (> (setq l (gnus-data-level (car data))) level))
3265 (and (= (1+ level) l)
3266 (push (gnus-data-number (car data))
3267 children)))
3268 (nreverse children)))
3270 (defun gnus-summary-article-parent (&optional number)
3271 "Return the article number of the parent of article NUMBER."
3272 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3273 (gnus-data-list t)))
3274 (level (gnus-data-level (car data))))
3275 (if (zerop level)
3276 () ; This is a root.
3277 ;; We search until we find an article with a level less than
3278 ;; this one. That function has to be the parent.
3279 (while (and (setq data (cdr data))
3280 (not (< (gnus-data-level (car data)) level))))
3281 (and data (gnus-data-number (car data))))))
3283 (defun gnus-unread-mark-p (mark)
3284 "Say whether MARK is the unread mark."
3285 (= mark gnus-unread-mark))
3287 (defun gnus-read-mark-p (mark)
3288 "Say whether MARK is one of the marks that mark as read.
3289 This is all marks except unread, ticked, dormant, and expirable."
3290 (not (or (= mark gnus-unread-mark)
3291 (= mark gnus-ticked-mark)
3292 (= mark gnus-spam-mark)
3293 (= mark gnus-dormant-mark)
3294 (= mark gnus-expirable-mark))))
3296 (defmacro gnus-article-mark (number)
3297 "Return the MARK of article NUMBER.
3298 This macro should only be used when computing the mark the \"first\"
3299 time; i.e., when generating the summary lines. After that,
3300 `gnus-summary-article-mark' should be used to examine the
3301 marks of articles."
3302 `(cond
3303 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3304 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3305 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3306 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3307 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3308 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3309 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3310 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3311 gnus-ancient-mark))))
3313 ;; Saving hidden threads.
3315 (defmacro gnus-save-hidden-threads (&rest forms)
3316 "Save hidden threads, eval FORMS, and restore the hidden threads."
3317 (let ((config (make-symbol "config")))
3318 `(let ((,config (gnus-hidden-threads-configuration)))
3319 (unwind-protect
3320 (save-excursion
3321 ,@forms)
3322 (gnus-restore-hidden-threads-configuration ,config)))))
3323 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3324 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3326 (defun gnus-data-compute-positions ()
3327 "Compute the positions of all articles."
3328 (setq gnus-newsgroup-data-reverse nil)
3329 (let ((data gnus-newsgroup-data))
3330 (save-excursion
3331 (gnus-save-hidden-threads
3332 (gnus-summary-show-all-threads)
3333 (goto-char (point-min))
3334 (while data
3335 (while (get-text-property (point) 'gnus-intangible)
3336 (forward-line 1))
3337 (gnus-data-set-pos (car data) (+ (point) 3))
3338 (setq data (cdr data))
3339 (forward-line 1))))))
3341 (defun gnus-hidden-threads-configuration ()
3342 "Return the current hidden threads configuration."
3343 (save-excursion
3344 (let (config)
3345 (goto-char (point-min))
3346 (while (search-forward "\r" nil t)
3347 (push (1- (point)) config))
3348 config)))
3350 (defun gnus-restore-hidden-threads-configuration (config)
3351 "Restore hidden threads configuration from CONFIG."
3352 (save-excursion
3353 (let (point buffer-read-only)
3354 (while (setq point (pop config))
3355 (when (and (< point (point-max))
3356 (goto-char point)
3357 (eq (char-after) ?\n))
3358 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3360 ;; Various summary mode internalish functions.
3362 (defun gnus-mouse-pick-article (e)
3363 (interactive "e")
3364 (mouse-set-point e)
3365 (gnus-summary-next-page nil t))
3367 (defun gnus-summary-set-display-table ()
3368 "Change the display table.
3369 Odd characters have a tendency to mess
3370 up nicely formatted displays - we make all possible glyphs
3371 display only a single character."
3373 ;; We start from the standard display table, if any.
3374 (let ((table (or (copy-sequence standard-display-table)
3375 (make-display-table)))
3376 (i 32))
3377 ;; Nix out all the control chars...
3378 (while (>= (setq i (1- i)) 0)
3379 (aset table i [??]))
3380 ;; ... but not newline and cr, of course. (cr is necessary for the
3381 ;; selective display).
3382 (aset table ?\n nil)
3383 (aset table ?\r nil)
3384 ;; We keep TAB as well.
3385 (aset table ?\t nil)
3386 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3387 ;; Emacs 23 (unicode), that are not set already.
3388 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3390 256)))
3391 (while (>= (setq i (1- i)) 127)
3392 ;; Only modify if the entry is nil.
3393 (unless (aref table i)
3394 (aset table i [??]))))
3395 (setq buffer-display-table table)))
3397 (defun gnus-summary-set-article-display-arrow (pos)
3398 "Update the overlay arrow to point to line at position POS."
3399 (when (and gnus-summary-display-arrow
3400 (boundp 'overlay-arrow-position)
3401 (boundp 'overlay-arrow-string))
3402 (save-excursion
3403 (goto-char pos)
3404 (beginning-of-line)
3405 (unless overlay-arrow-position
3406 (setq overlay-arrow-position (make-marker)))
3407 (setq overlay-arrow-string "=>"
3408 overlay-arrow-position (set-marker overlay-arrow-position
3409 (point)
3410 (current-buffer))))))
3412 (defun gnus-summary-setup-buffer (group)
3413 "Initialize summary buffer."
3414 (let ((buffer (gnus-summary-buffer-name group))
3415 (dead-name (concat "*Dead Summary "
3416 (gnus-group-decoded-name group) "*")))
3417 ;; If a dead summary buffer exists, we kill it.
3418 (when (gnus-buffer-live-p dead-name)
3419 (gnus-kill-buffer dead-name))
3420 (if (get-buffer buffer)
3421 (progn
3422 (set-buffer buffer)
3423 (setq gnus-summary-buffer (current-buffer))
3424 (not gnus-newsgroup-prepared))
3425 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3426 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3427 (gnus-summary-mode group)
3428 (when gnus-carpal
3429 (gnus-carpal-setup-buffer 'summary))
3430 (when (gnus-group-quit-config group)
3431 (set (make-local-variable 'gnus-single-article-buffer) nil))
3432 (make-local-variable 'gnus-article-buffer)
3433 (make-local-variable 'gnus-article-current)
3434 (make-local-variable 'gnus-original-article-buffer)
3435 (setq gnus-newsgroup-name group)
3436 ;; Set any local variables in the group parameters.
3437 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3438 t)))
3440 (defun gnus-set-global-variables ()
3441 "Set the global equivalents of the buffer-local variables.
3442 They are set to the latest values they had. These reflect the summary
3443 buffer that was in action when the last article was fetched."
3444 (when (eq major-mode 'gnus-summary-mode)
3445 (setq gnus-summary-buffer (current-buffer))
3446 (let ((name gnus-newsgroup-name)
3447 (marked gnus-newsgroup-marked)
3448 (spam gnus-newsgroup-spam-marked)
3449 (unread gnus-newsgroup-unreads)
3450 (headers gnus-current-headers)
3451 (data gnus-newsgroup-data)
3452 (summary gnus-summary-buffer)
3453 (article-buffer gnus-article-buffer)
3454 (original gnus-original-article-buffer)
3455 (gac gnus-article-current)
3456 (reffed gnus-reffed-article-number)
3457 (score-file gnus-current-score-file)
3458 (default-charset gnus-newsgroup-charset)
3459 vlist)
3460 (let ((locals gnus-newsgroup-variables))
3461 (while locals
3462 (if (consp (car locals))
3463 (push (eval (caar locals)) vlist)
3464 (push (eval (car locals)) vlist))
3465 (setq locals (cdr locals)))
3466 (setq vlist (nreverse vlist)))
3467 (with-current-buffer gnus-group-buffer
3468 (setq gnus-newsgroup-name name
3469 gnus-newsgroup-marked marked
3470 gnus-newsgroup-spam-marked spam
3471 gnus-newsgroup-unreads unread
3472 gnus-current-headers headers
3473 gnus-newsgroup-data data
3474 gnus-article-current gac
3475 gnus-summary-buffer summary
3476 gnus-article-buffer article-buffer
3477 gnus-original-article-buffer original
3478 gnus-reffed-article-number reffed
3479 gnus-current-score-file score-file
3480 gnus-newsgroup-charset default-charset)
3481 (let ((locals gnus-newsgroup-variables))
3482 (while locals
3483 (if (consp (car locals))
3484 (set (caar locals) (pop vlist))
3485 (set (car locals) (pop vlist)))
3486 (setq locals (cdr locals))))
3487 ;; The article buffer also has local variables.
3488 (when (gnus-buffer-live-p gnus-article-buffer)
3489 (set-buffer gnus-article-buffer)
3490 (setq gnus-summary-buffer summary))))))
3492 (defun gnus-summary-article-unread-p (article)
3493 "Say whether ARTICLE is unread or not."
3494 (memq article gnus-newsgroup-unreads))
3496 (defun gnus-summary-first-article-p (&optional article)
3497 "Return whether ARTICLE is the first article in the buffer."
3498 (if (not (setq article (or article (gnus-summary-article-number))))
3500 (eq article (caar gnus-newsgroup-data))))
3502 (defun gnus-summary-last-article-p (&optional article)
3503 "Return whether ARTICLE is the last article in the buffer."
3504 (if (not (setq article (or article (gnus-summary-article-number))))
3505 ;; All non-existent numbers are the last article. :-)
3507 (not (cdr (gnus-data-find-list article)))))
3509 (defun gnus-make-thread-indent-array (&optional n)
3510 (when (or n
3511 (progn (setq n 200) nil)
3512 (null gnus-thread-indent-array)
3513 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3514 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3515 gnus-thread-indent-array-level gnus-thread-indent-level)
3516 (while (>= n 0)
3517 (aset gnus-thread-indent-array n
3518 (make-string (* n gnus-thread-indent-level) ? ))
3519 (setq n (1- n)))))
3521 (defun gnus-update-summary-mark-positions ()
3522 "Compute where the summary marks are to go."
3523 (save-excursion
3524 (when (gnus-buffer-exists-p gnus-summary-buffer)
3525 (set-buffer gnus-summary-buffer))
3526 (let ((spec gnus-summary-line-format-spec)
3527 pos)
3528 (save-excursion
3529 (gnus-set-work-buffer)
3530 (let ((gnus-tmp-unread ?Z)
3531 (gnus-replied-mark ?Z)
3532 (gnus-score-below-mark ?Z)
3533 (gnus-score-over-mark ?Z)
3534 (gnus-undownloaded-mark ?Z)
3535 (gnus-summary-line-format-spec spec)
3536 (gnus-newsgroup-downloadable '(0))
3537 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3538 case-fold-search ignores)
3539 ;; Here, all marks are bound to Z.
3540 (gnus-summary-insert-line header
3541 0 nil t gnus-tmp-unread t nil "" nil 1)
3542 (goto-char (point-min))
3543 ;; Memorize the positions of the same characters as dummy marks.
3544 (while (re-search-forward "[A-D]" nil t)
3545 (push (point) ignores))
3546 (erase-buffer)
3547 ;; We use A-D as dummy marks in order to know column positions
3548 ;; where marks should be inserted.
3549 (setq gnus-tmp-unread ?A
3550 gnus-replied-mark ?B
3551 gnus-score-below-mark ?C
3552 gnus-score-over-mark ?C
3553 gnus-undownloaded-mark ?D)
3554 (gnus-summary-insert-line header
3555 0 nil t gnus-tmp-unread t nil "" nil 1)
3556 ;; Ignore characters which aren't dummy marks.
3557 (dolist (p ignores)
3558 (delete-region (goto-char (1- p)) p)
3559 (insert ?Z))
3560 (goto-char (point-min))
3561 (setq pos (list (cons 'unread
3562 (and (search-forward "A" nil t)
3563 (- (point) (point-min) 1)))))
3564 (goto-char (point-min))
3565 (push (cons 'replied (and (search-forward "B" nil t)
3566 (- (point) (point-min) 1)))
3567 pos)
3568 (goto-char (point-min))
3569 (push (cons 'score (and (search-forward "C" nil t)
3570 (- (point) (point-min) 1)))
3571 pos)
3572 (goto-char (point-min))
3573 (push (cons 'download (and (search-forward "D" nil t)
3574 (- (point) (point-min) 1)))
3575 pos)))
3576 (setq gnus-summary-mark-positions pos))))
3578 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3579 "Insert a dummy root in the summary buffer."
3580 (beginning-of-line)
3581 (gnus-add-text-properties
3582 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3583 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3585 (defun gnus-summary-extract-address-component (from)
3586 (or (car (funcall gnus-extract-address-components from))
3587 from))
3589 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3590 (let ((mail-parse-charset gnus-newsgroup-charset)
3591 (ignored-from-addresses (gnus-ignored-from-addresses))
3592 ; Is it really necessary to do this next part for each summary line?
3593 ; Luckily, doesn't seem to slow things down much.
3594 (mail-parse-ignored-charsets
3595 (with-current-buffer gnus-summary-buffer
3596 gnus-newsgroup-ignored-charsets)))
3598 (and ignored-from-addresses
3599 (string-match ignored-from-addresses gnus-tmp-from)
3600 (let ((extra-headers (mail-header-extra header))
3602 newsgroups)
3603 (cond
3604 ((setq to (cdr (assq 'To extra-headers)))
3605 (concat gnus-summary-to-prefix
3606 (inline
3607 (gnus-summary-extract-address-component
3608 (funcall gnus-decode-encoded-address-function to)))))
3609 ((setq newsgroups
3611 (cdr (assq 'Newsgroups extra-headers))
3612 (and
3613 (memq 'Newsgroups gnus-extra-headers)
3614 (eq (car (gnus-find-method-for-group
3615 gnus-newsgroup-name)) 'nntp)
3616 (gnus-group-real-name gnus-newsgroup-name))))
3617 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3618 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3620 (defun gnus-summary-insert-line (gnus-tmp-header
3621 gnus-tmp-level gnus-tmp-current
3622 undownloaded gnus-tmp-unread gnus-tmp-replied
3623 gnus-tmp-expirable gnus-tmp-subject-or-nil
3624 &optional gnus-tmp-dummy gnus-tmp-score
3625 gnus-tmp-process)
3626 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3627 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3628 gnus-tmp-level)))
3629 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3630 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3631 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3632 (gnus-tmp-score-char
3633 (if (or (null gnus-summary-default-score)
3634 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3635 gnus-summary-zcore-fuzz))
3636 ? ;Whitespace
3637 (if (< gnus-tmp-score gnus-summary-default-score)
3638 gnus-score-below-mark gnus-score-over-mark)))
3639 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3640 (gnus-tmp-replied
3641 (cond (gnus-tmp-process gnus-process-mark)
3642 ((memq gnus-tmp-current gnus-newsgroup-cached)
3643 gnus-cached-mark)
3644 (gnus-tmp-replied gnus-replied-mark)
3645 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3646 gnus-forwarded-mark)
3647 ((memq gnus-tmp-current gnus-newsgroup-saved)
3648 gnus-saved-mark)
3649 ((memq gnus-tmp-number gnus-newsgroup-recent)
3650 gnus-recent-mark)
3651 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3652 gnus-unseen-mark)
3653 (t gnus-no-mark)))
3654 (gnus-tmp-downloaded
3655 (cond (undownloaded
3656 gnus-undownloaded-mark)
3657 (gnus-newsgroup-agentized
3658 gnus-downloaded-mark)
3660 gnus-no-mark)))
3661 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3662 (gnus-tmp-name
3663 (cond
3664 ((string-match "<[^>]+> *$" gnus-tmp-from)
3665 (let ((beg (match-beginning 0)))
3666 (or (and (string-match "^\".+\"" gnus-tmp-from)
3667 (substring gnus-tmp-from 1 (1- (match-end 0))))
3668 (substring gnus-tmp-from 0 beg))))
3669 ((string-match "(.+)" gnus-tmp-from)
3670 (substring gnus-tmp-from
3671 (1+ (match-beginning 0)) (1- (match-end 0))))
3672 (t gnus-tmp-from)))
3673 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3674 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3675 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3676 (buffer-read-only nil))
3677 (when (string= gnus-tmp-name "")
3678 (setq gnus-tmp-name gnus-tmp-from))
3679 (unless (numberp gnus-tmp-lines)
3680 (setq gnus-tmp-lines -1))
3681 (if (= gnus-tmp-lines -1)
3682 (setq gnus-tmp-lines "?")
3683 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3684 (gnus-put-text-property
3685 (point)
3686 (progn (eval gnus-summary-line-format-spec) (point))
3687 'gnus-number gnus-tmp-number)
3688 (when (gnus-visual-p 'summary-highlight 'highlight)
3689 (forward-line -1)
3690 (gnus-run-hooks 'gnus-summary-update-hook)
3691 (forward-line 1))))
3693 (defun gnus-summary-update-line (&optional dont-update)
3694 "Update summary line after change."
3695 (when (and gnus-summary-default-score
3696 (not gnus-summary-inhibit-highlight))
3697 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3698 (article (gnus-summary-article-number))
3699 (score (gnus-summary-article-score article)))
3700 (unless dont-update
3701 (if (and gnus-summary-mark-below
3702 (< (gnus-summary-article-score)
3703 gnus-summary-mark-below))
3704 ;; This article has a low score, so we mark it as read.
3705 (when (memq article gnus-newsgroup-unreads)
3706 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3707 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3708 ;; This article was previously marked as read on account
3709 ;; of a low score, but now it has risen, so we mark it as
3710 ;; unread.
3711 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3712 (gnus-summary-update-mark
3713 (if (or (null gnus-summary-default-score)
3714 (<= (abs (- score gnus-summary-default-score))
3715 gnus-summary-zcore-fuzz))
3716 ? ;Whitespace
3717 (if (< score gnus-summary-default-score)
3718 gnus-score-below-mark gnus-score-over-mark))
3719 'score))
3720 ;; Do visual highlighting.
3721 (when (gnus-visual-p 'summary-highlight 'highlight)
3722 (gnus-run-hooks 'gnus-summary-update-hook)))))
3724 (defvar gnus-tmp-new-adopts nil)
3726 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3727 "Return the number of articles in THREAD.
3728 This may be 0 in some cases -- if none of the articles in
3729 the thread are to be displayed."
3730 (let* ((number
3731 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3732 (cond
3733 ((not (listp thread))
3735 ((and (consp thread) (cdr thread))
3736 (apply
3737 '+ 1 (mapcar
3738 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3739 ((null thread)
3741 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3743 (t 0))))
3744 (when (and level (zerop level) gnus-tmp-new-adopts)
3745 (incf number
3746 (apply '+ (mapcar
3747 'gnus-summary-number-of-articles-in-thread
3748 gnus-tmp-new-adopts))))
3749 (if char
3750 (if (> number 1) gnus-not-empty-thread-mark
3751 gnus-empty-thread-mark)
3752 number)))
3754 (defsubst gnus-summary-line-message-size (head)
3755 "Return pretty-printed version of message size.
3756 This function is intended to be used in
3757 `gnus-summary-line-format-alist'."
3758 (let ((c (or (mail-header-chars head) -1)))
3759 (cond ((< c 0) "n/a") ; chars not available
3760 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3761 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3762 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3763 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3766 (defun gnus-summary-set-local-parameters (group)
3767 "Go through the local params of GROUP and set all variable specs in that list."
3768 (let ((vars '(quit-config))) ; Ignore quit-config.
3769 (dolist (elem (gnus-group-find-parameter group))
3770 (and (consp elem) ; Has to be a cons.
3771 (consp (cdr elem)) ; The cdr has to be a list.
3772 (symbolp (car elem)) ; Has to be a symbol in there.
3773 (not (memq (car elem) vars))
3774 (ignore-errors ; So we set it.
3775 (push (car elem) vars)
3776 (make-local-variable (car elem))
3777 (set (car elem) (eval (nth 1 elem))))))))
3779 (defun gnus-summary-read-group (group &optional show-all no-article
3780 kill-buffer no-display backward
3781 select-articles)
3782 "Start reading news in newsgroup GROUP.
3783 If SHOW-ALL is non-nil, already read articles are also listed.
3784 If NO-ARTICLE is non-nil, no article is selected initially.
3785 If NO-DISPLAY, don't generate a summary buffer."
3786 (let (result)
3787 (while (and group
3788 (null (setq result
3789 (let ((gnus-auto-select-next nil))
3790 (or (gnus-summary-read-group-1
3791 group show-all no-article
3792 kill-buffer no-display
3793 select-articles)
3794 (setq show-all nil
3795 select-articles nil)))))
3796 (eq gnus-auto-select-next 'quietly))
3797 (set-buffer gnus-group-buffer)
3798 ;; The entry function called above goes to the next
3799 ;; group automatically, so we go two groups back
3800 ;; if we are searching for the previous group.
3801 (when backward
3802 (gnus-group-prev-unread-group 2))
3803 (if (not (equal group (gnus-group-group-name)))
3804 (setq group (gnus-group-group-name))
3805 (setq group nil)))
3806 result))
3808 (defun gnus-summary-read-group-1 (group show-all no-article
3809 kill-buffer no-display
3810 &optional select-articles)
3811 ;; Killed foreign groups can't be entered.
3812 ;; (when (and (not (gnus-group-native-p group))
3813 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3814 ;; (error "Dead non-native groups can't be entered"))
3815 (gnus-message 5 "Retrieving newsgroup: %s..."
3816 (gnus-group-decoded-name group))
3817 (let* ((new-group (gnus-summary-setup-buffer group))
3818 (quit-config (gnus-group-quit-config group))
3819 (did-select (and new-group (gnus-select-newsgroup
3820 group show-all select-articles))))
3821 (cond
3822 ;; This summary buffer exists already, so we just select it.
3823 ((not new-group)
3824 (gnus-set-global-variables)
3825 (when kill-buffer
3826 (gnus-kill-or-deaden-summary kill-buffer))
3827 (gnus-configure-windows 'summary 'force)
3828 (gnus-set-mode-line 'summary)
3829 (gnus-summary-position-point)
3830 (message "")
3832 ;; We couldn't select this group.
3833 ((null did-select)
3834 (when (and (eq major-mode 'gnus-summary-mode)
3835 (not (equal (current-buffer) kill-buffer)))
3836 (kill-buffer (current-buffer))
3837 (if (not quit-config)
3838 (progn
3839 ;; Update the info -- marks might need to be removed,
3840 ;; for instance.
3841 (gnus-summary-update-info)
3842 (set-buffer gnus-group-buffer)
3843 (gnus-group-jump-to-group group)
3844 (gnus-group-next-unread-group 1))
3845 (gnus-handle-ephemeral-exit quit-config)))
3846 (let ((grpinfo (gnus-get-info group)))
3847 (if (null (gnus-info-read grpinfo))
3848 (gnus-message 3 "Group %s contains no messages"
3849 (gnus-group-decoded-name group))
3850 (gnus-message 3 "Can't select group")))
3851 nil)
3852 ;; The user did a `C-g' while prompting for number of articles,
3853 ;; so we exit this group.
3854 ((eq did-select 'quit)
3855 (and (eq major-mode 'gnus-summary-mode)
3856 (not (equal (current-buffer) kill-buffer))
3857 (kill-buffer (current-buffer)))
3858 (when kill-buffer
3859 (gnus-kill-or-deaden-summary kill-buffer))
3860 (if (not quit-config)
3861 (progn
3862 (set-buffer gnus-group-buffer)
3863 (gnus-group-jump-to-group group)
3864 (gnus-group-next-unread-group 1)
3865 (gnus-configure-windows 'group 'force))
3866 (gnus-handle-ephemeral-exit quit-config))
3867 ;; Finally signal the quit.
3868 (signal 'quit nil))
3869 ;; The group was successfully selected.
3871 (gnus-set-global-variables)
3872 ;; Save the active value in effect when the group was entered.
3873 (setq gnus-newsgroup-active
3874 (gnus-copy-sequence
3875 (gnus-active gnus-newsgroup-name)))
3876 ;; You can change the summary buffer in some way with this hook.
3877 (gnus-run-hooks 'gnus-select-group-hook)
3878 (when (memq 'summary (gnus-update-format-specifications
3879 nil 'summary 'summary-mode 'summary-dummy))
3880 ;; The format specification for the summary line was updated,
3881 ;; so we need to update the mark positions as well.
3882 (gnus-update-summary-mark-positions))
3883 ;; Do score processing.
3884 (when gnus-use-scoring
3885 (gnus-possibly-score-headers))
3886 ;; Check whether to fill in the gaps in the threads.
3887 (when gnus-build-sparse-threads
3888 (gnus-build-sparse-threads))
3889 ;; Find the initial limit.
3890 (if show-all
3891 (let ((gnus-newsgroup-dormant nil))
3892 (gnus-summary-initial-limit show-all))
3893 (gnus-summary-initial-limit show-all))
3894 ;; Generate the summary buffer.
3895 (unless no-display
3896 (gnus-summary-prepare))
3897 (when gnus-use-trees
3898 (gnus-tree-open group)
3899 (setq gnus-summary-highlight-line-function
3900 'gnus-tree-highlight-article))
3901 ;; If the summary buffer is empty, but there are some low-scored
3902 ;; articles or some excluded dormants, we include these in the
3903 ;; buffer.
3904 (when (and (zerop (buffer-size))
3905 (not no-display))
3906 (cond (gnus-newsgroup-dormant
3907 (gnus-summary-limit-include-dormant))
3908 ((and gnus-newsgroup-scored show-all)
3909 (gnus-summary-limit-include-expunged t))))
3910 ;; Function `gnus-apply-kill-file' must be called in this hook.
3911 (gnus-run-hooks 'gnus-apply-kill-hook)
3912 (if (and (zerop (buffer-size))
3913 (not no-display))
3914 (progn
3915 ;; This newsgroup is empty.
3916 (gnus-summary-catchup-and-exit nil t)
3917 (gnus-message 6 "No unread news")
3918 (when kill-buffer
3919 (gnus-kill-or-deaden-summary kill-buffer))
3920 ;; Return nil from this function.
3921 nil)
3922 ;; Hide conversation thread subtrees. We cannot do this in
3923 ;; gnus-summary-prepare-hook since kill processing may not
3924 ;; work with hidden articles.
3925 (gnus-summary-maybe-hide-threads)
3926 (when kill-buffer
3927 (gnus-kill-or-deaden-summary kill-buffer))
3928 (gnus-summary-auto-select-subject)
3929 ;; Show first unread article if requested.
3930 (if (and (not no-article)
3931 (not no-display)
3932 gnus-newsgroup-unreads
3933 gnus-auto-select-first)
3934 (progn
3935 (gnus-configure-windows 'summary)
3936 (let ((art (gnus-summary-article-number)))
3937 (unless (and (not gnus-plugged)
3938 (or (memq art gnus-newsgroup-undownloaded)
3939 (memq art gnus-newsgroup-downloadable)))
3940 (gnus-summary-goto-article art))))
3941 ;; Don't select any articles.
3942 (gnus-summary-position-point)
3943 (gnus-configure-windows 'summary 'force)
3944 (gnus-set-mode-line 'summary))
3945 (when (and gnus-auto-center-group
3946 (get-buffer-window gnus-group-buffer t))
3947 ;; Gotta use windows, because recenter does weird stuff if
3948 ;; the current buffer ain't the displayed window.
3949 (let ((owin (selected-window)))
3950 (select-window (get-buffer-window gnus-group-buffer t))
3951 (when (gnus-group-goto-group group)
3952 (recenter))
3953 (select-window owin)))
3954 ;; Mark this buffer as "prepared".
3955 (setq gnus-newsgroup-prepared t)
3956 (gnus-run-hooks 'gnus-summary-prepared-hook)
3957 (unless (gnus-ephemeral-group-p group)
3958 (gnus-group-update-group group))
3959 t)))))
3961 (defun gnus-summary-auto-select-subject ()
3962 "Select the subject line on initial group entry."
3963 (goto-char (point-min))
3964 (cond
3965 ((eq gnus-auto-select-subject 'best)
3966 (gnus-summary-best-unread-subject))
3967 ((eq gnus-auto-select-subject 'unread)
3968 (gnus-summary-first-unread-subject))
3969 ((eq gnus-auto-select-subject 'unseen)
3970 (gnus-summary-first-unseen-subject))
3971 ((eq gnus-auto-select-subject 'unseen-or-unread)
3972 (gnus-summary-first-unseen-or-unread-subject))
3973 ((eq gnus-auto-select-subject 'first)
3974 ;; Do nothing.
3976 ((functionp gnus-auto-select-subject)
3977 (funcall gnus-auto-select-subject))))
3979 (defun gnus-summary-prepare ()
3980 "Generate the summary buffer."
3981 (interactive)
3982 (let ((buffer-read-only nil))
3983 (erase-buffer)
3984 (setq gnus-newsgroup-data nil
3985 gnus-newsgroup-data-reverse nil)
3986 (gnus-run-hooks 'gnus-summary-generate-hook)
3987 ;; Generate the buffer, either with threads or without.
3988 (when gnus-newsgroup-headers
3989 (gnus-summary-prepare-threads
3990 (if gnus-show-threads
3991 (gnus-sort-gathered-threads
3992 (funcall gnus-summary-thread-gathering-function
3993 (gnus-sort-threads
3994 (gnus-cut-threads (gnus-make-threads)))))
3995 ;; Unthreaded display.
3996 (gnus-sort-articles gnus-newsgroup-headers))))
3997 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3998 ;; Call hooks for modifying summary buffer.
3999 (goto-char (point-min))
4000 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4002 (defsubst gnus-general-simplify-subject (subject)
4003 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4004 (setq subject
4005 (cond
4006 ;; Truncate the subject.
4007 (gnus-simplify-subject-functions
4008 (gnus-map-function gnus-simplify-subject-functions subject))
4009 ((numberp gnus-summary-gather-subject-limit)
4010 (setq subject (gnus-simplify-subject-re subject))
4011 (if (> (length subject) gnus-summary-gather-subject-limit)
4012 (substring subject 0 gnus-summary-gather-subject-limit)
4013 subject))
4014 ;; Fuzzily simplify it.
4015 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4016 (gnus-simplify-subject-fuzzy subject))
4017 ;; Just remove the leading "Re:".
4019 (gnus-simplify-subject-re subject))))
4021 (if (and gnus-summary-gather-exclude-subject
4022 (string-match gnus-summary-gather-exclude-subject subject))
4023 nil ; This article shouldn't be gathered
4024 subject))
4026 (defun gnus-summary-simplify-subject-query ()
4027 "Query where the respool algorithm would put this article."
4028 (interactive)
4029 (gnus-summary-select-article)
4030 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
4032 (defun gnus-gather-threads-by-subject (threads)
4033 "Gather threads by looking at Subject headers."
4034 (if (not gnus-summary-make-false-root)
4035 threads
4036 (let ((hashtb (gnus-make-hashtable 1024))
4037 (prev threads)
4038 (result threads)
4039 subject hthread whole-subject)
4040 (while threads
4041 (setq subject (gnus-general-simplify-subject
4042 (setq whole-subject (mail-header-subject
4043 (caar threads)))))
4044 (when subject
4045 (if (setq hthread (gnus-gethash subject hashtb))
4046 (progn
4047 ;; We enter a dummy root into the thread, if we
4048 ;; haven't done that already.
4049 (unless (stringp (caar hthread))
4050 (setcar hthread (list whole-subject (car hthread))))
4051 ;; We add this new gathered thread to this gathered
4052 ;; thread.
4053 (setcdr (car hthread)
4054 (nconc (cdar hthread) (list (car threads))))
4055 ;; Remove it from the list of threads.
4056 (setcdr prev (cdr threads))
4057 (setq threads prev))
4058 ;; Enter this thread into the hash table.
4059 (gnus-sethash subject
4060 (if gnus-summary-make-false-root-always
4061 (progn
4062 ;; If you want a dummy root above all
4063 ;; threads...
4064 (setcar threads (list whole-subject
4065 (car threads)))
4066 threads)
4067 threads)
4068 hashtb)))
4069 (setq prev threads)
4070 (setq threads (cdr threads)))
4071 result)))
4073 (defun gnus-gather-threads-by-references (threads)
4074 "Gather threads by looking at References headers."
4075 (let ((idhashtb (gnus-make-hashtable 1024))
4076 (thhashtb (gnus-make-hashtable 1024))
4077 (prev threads)
4078 (result threads)
4079 ids references id gthread gid entered ref)
4080 (while threads
4081 (when (setq references (mail-header-references (caar threads)))
4082 (setq id (mail-header-id (caar threads))
4083 ids (inline (gnus-split-references references))
4084 entered nil)
4085 (while (setq ref (pop ids))
4086 (setq ids (delete ref ids))
4087 (if (not (setq gid (gnus-gethash ref idhashtb)))
4088 (progn
4089 (gnus-sethash ref id idhashtb)
4090 (gnus-sethash id threads thhashtb))
4091 (setq gthread (gnus-gethash gid thhashtb))
4092 (unless entered
4093 ;; We enter a dummy root into the thread, if we
4094 ;; haven't done that already.
4095 (unless (stringp (caar gthread))
4096 (setcar gthread (list (mail-header-subject (caar gthread))
4097 (car gthread))))
4098 ;; We add this new gathered thread to this gathered
4099 ;; thread.
4100 (setcdr (car gthread)
4101 (nconc (cdar gthread) (list (car threads)))))
4102 ;; Add it into the thread hash table.
4103 (gnus-sethash id gthread thhashtb)
4104 (setq entered t)
4105 ;; Remove it from the list of threads.
4106 (setcdr prev (cdr threads))
4107 (setq threads prev))))
4108 (setq prev threads)
4109 (setq threads (cdr threads)))
4110 result))
4112 (defun gnus-sort-gathered-threads (threads)
4113 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4114 (let ((result threads))
4115 (while threads
4116 (when (stringp (caar threads))
4117 (setcdr (car threads)
4118 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4119 (setq threads (cdr threads)))
4120 result))
4122 (defun gnus-thread-loop-p (root thread)
4123 "Say whether ROOT is in THREAD."
4124 (let ((stack (list thread))
4125 (infloop 0)
4127 (while (setq thread (pop stack))
4128 (setq th (cdr thread))
4129 (while (and th
4130 (not (eq (caar th) root)))
4131 (pop th))
4132 (if th
4133 ;; We have found a loop.
4134 (let (ref-dep)
4135 (setcdr thread (delq (car th) (cdr thread)))
4136 (if (boundp (setq ref-dep (intern "none"
4137 gnus-newsgroup-dependencies)))
4138 (setcdr (symbol-value ref-dep)
4139 (nconc (cdr (symbol-value ref-dep))
4140 (list (car th))))
4141 (set ref-dep (list nil (car th))))
4142 (setq infloop 1
4143 stack nil))
4144 ;; Push all the subthreads onto the stack.
4145 (push (cdr thread) stack)))
4146 infloop))
4148 (defun gnus-make-threads ()
4149 "Go through the dependency hashtb and find the roots. Return all threads."
4150 (let (threads)
4151 (while (catch 'infloop
4152 (mapatoms
4153 (lambda (refs)
4154 ;; Deal with self-referencing References loops.
4155 (when (and (car (symbol-value refs))
4156 (not (zerop
4157 (apply
4159 (mapcar
4160 (lambda (thread)
4161 (gnus-thread-loop-p
4162 (car (symbol-value refs)) thread))
4163 (cdr (symbol-value refs)))))))
4164 (setq threads nil)
4165 (throw 'infloop t))
4166 (unless (car (symbol-value refs))
4167 ;; These threads do not refer back to any other
4168 ;; articles, so they're roots.
4169 (setq threads (append (cdr (symbol-value refs)) threads))))
4170 gnus-newsgroup-dependencies)))
4171 threads))
4173 ;; Build the thread tree.
4174 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4175 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4177 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4178 if it was already present.
4180 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4181 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4182 Message-IDs will be renamed to a unique Message-ID before being
4183 entered.
4185 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4186 (let* ((id (mail-header-id header))
4187 (id-dep (and id (intern id dependencies)))
4188 parent-id ref ref-dep ref-header replaced)
4189 ;; Enter this `header' in the `dependencies' table.
4190 (cond
4191 ((not id-dep)
4192 (setq header nil))
4193 ;; The first two cases do the normal part: enter a new `header'
4194 ;; in the `dependencies' table.
4195 ((not (boundp id-dep))
4196 (set id-dep (list header)))
4197 ((null (car (symbol-value id-dep)))
4198 (setcar (symbol-value id-dep) header))
4200 ;; From here the `header' was already present in the
4201 ;; `dependencies' table.
4202 (force-new
4203 ;; Overrides an existing entry;
4204 ;; just set the header part of the entry.
4205 (setcar (symbol-value id-dep) header)
4206 (setq replaced t))
4208 ;; Renames the existing `header' to a unique Message-ID.
4209 ((not gnus-summary-ignore-duplicates)
4210 ;; An article with this Message-ID has already been seen.
4211 ;; We rename the Message-ID.
4212 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4213 (list header))
4214 (mail-header-set-id header id))
4216 ;; The last case ignores an existing entry, except it adds any
4217 ;; additional Xrefs (in case the two articles came from different
4218 ;; servers.
4219 ;; Also sets `header' to `nil' meaning that the `dependencies'
4220 ;; table was *not* modified.
4222 (mail-header-set-xref
4223 (car (symbol-value id-dep))
4224 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4226 (or (mail-header-xref header) "")))
4227 (setq header nil)))
4229 (when (and header (not replaced))
4230 ;; First check that we are not creating a References loop.
4231 (setq parent-id (gnus-parent-id (mail-header-references header)))
4232 (setq ref parent-id)
4233 (while (and ref
4234 (setq ref-dep (intern-soft ref dependencies))
4235 (boundp ref-dep)
4236 (setq ref-header (car (symbol-value ref-dep))))
4237 (if (string= id ref)
4238 ;; Yuk! This is a reference loop. Make the article be a
4239 ;; root article.
4240 (progn
4241 (mail-header-set-references (car (symbol-value id-dep)) "none")
4242 (setq ref nil)
4243 (setq parent-id nil))
4244 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4245 (setq ref-dep (intern (or parent-id "none") dependencies))
4246 (if (boundp ref-dep)
4247 (setcdr (symbol-value ref-dep)
4248 (nconc (cdr (symbol-value ref-dep))
4249 (list (symbol-value id-dep))))
4250 (set ref-dep (list nil (symbol-value id-dep)))))
4251 header))
4253 (defun gnus-extract-message-id-from-in-reply-to (string)
4254 (if (string-match "<[^>]+>" string)
4255 (substring string (match-beginning 0) (match-end 0))
4256 nil))
4258 (defun gnus-build-sparse-threads ()
4259 (let ((headers gnus-newsgroup-headers)
4260 (mail-parse-charset gnus-newsgroup-charset)
4261 (gnus-summary-ignore-duplicates t)
4262 header references generation relations
4263 subject child end new-child date)
4264 ;; First we create an alist of generations/relations, where
4265 ;; generations is how much we trust the relation, and the relation
4266 ;; is parent/child.
4267 (gnus-message 7 "Making sparse threads...")
4268 (save-excursion
4269 (nnheader-set-temp-buffer " *gnus sparse threads*")
4270 (while (setq header (pop headers))
4271 (when (and (setq references (mail-header-references header))
4272 (not (string= references "")))
4273 (insert references)
4274 (setq child (mail-header-id header)
4275 subject (mail-header-subject header)
4276 date (mail-header-date header)
4277 generation 0)
4278 (while (search-backward ">" nil t)
4279 (setq end (1+ (point)))
4280 (when (search-backward "<" nil t)
4281 (setq new-child (buffer-substring (point) end))
4282 (push (list (incf generation)
4283 child (setq child new-child)
4284 subject date)
4285 relations)))
4286 (when child
4287 (push (list (1+ generation) child nil subject) relations))
4288 (erase-buffer)))
4289 (kill-buffer (current-buffer)))
4290 ;; Sort over trustworthiness.
4291 (dolist (relation (sort relations 'car-less-than-car))
4292 (when (gnus-dependencies-add-header
4293 (make-full-mail-header
4294 gnus-reffed-article-number
4295 (nth 3 relation) "" (or (nth 4 relation) "")
4296 (nth 1 relation)
4297 (or (nth 2 relation) "") 0 0 "")
4298 gnus-newsgroup-dependencies nil)
4299 (push gnus-reffed-article-number gnus-newsgroup-limit)
4300 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4301 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4302 gnus-newsgroup-reads)
4303 (decf gnus-reffed-article-number)))
4304 (gnus-message 7 "Making sparse threads...done")))
4306 (defun gnus-build-old-threads ()
4307 ;; Look at all the articles that refer back to old articles, and
4308 ;; fetch the headers for the articles that aren't there. This will
4309 ;; build complete threads - if the roots haven't been expired by the
4310 ;; server, that is.
4311 (let ((mail-parse-charset gnus-newsgroup-charset)
4312 id heads)
4313 (mapatoms
4314 (lambda (refs)
4315 (when (not (car (symbol-value refs)))
4316 (setq heads (cdr (symbol-value refs)))
4317 (while heads
4318 (if (memq (mail-header-number (caar heads))
4319 gnus-newsgroup-dormant)
4320 (setq heads (cdr heads))
4321 (setq id (symbol-name refs))
4322 (while (and (setq id (gnus-build-get-header id))
4323 (not (car (gnus-id-to-thread id)))))
4324 (setq heads nil)))))
4325 gnus-newsgroup-dependencies)))
4327 (defsubst gnus-remove-odd-characters (string)
4328 "Translate STRING into something that doesn't contain weird characters."
4329 (mm-subst-char-in-string
4330 ?\r ?\-
4331 (mm-subst-char-in-string ?\n ?\- string t) t))
4333 ;; This function has to be called with point after the article number
4334 ;; on the beginning of the line.
4335 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4336 (let ((eol (point-at-eol))
4337 (buffer (current-buffer))
4338 header references in-reply-to)
4340 ;; overview: [num subject from date id refs chars lines misc]
4341 (unwind-protect
4342 (let (x)
4343 (narrow-to-region (point) eol)
4344 (unless (eobp)
4345 (forward-char))
4347 (setq header
4348 (make-full-mail-header
4349 number ; number
4350 (condition-case () ; subject
4351 (gnus-remove-odd-characters
4352 (funcall gnus-decode-encoded-word-function
4353 (setq x (nnheader-nov-field))))
4354 (error x))
4355 (condition-case () ; from
4356 (gnus-remove-odd-characters
4357 (funcall gnus-decode-encoded-address-function
4358 (setq x (nnheader-nov-field))))
4359 (error x))
4360 (nnheader-nov-field) ; date
4361 (nnheader-nov-read-message-id number) ; id
4362 (setq references (nnheader-nov-field)) ; refs
4363 (nnheader-nov-read-integer) ; chars
4364 (nnheader-nov-read-integer) ; lines
4365 (unless (eobp)
4366 (if (looking-at "Xref: ")
4367 (goto-char (match-end 0)))
4368 (nnheader-nov-field)) ; Xref
4369 (nnheader-nov-parse-extra)))) ; extra
4371 (widen))
4373 (when (and (string= references "")
4374 (setq in-reply-to (mail-header-extra header))
4375 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4376 (mail-header-set-references
4377 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4379 (when gnus-alter-header-function
4380 (funcall gnus-alter-header-function header))
4381 (gnus-dependencies-add-header header dependencies force-new)))
4383 (defun gnus-build-get-header (id)
4384 "Look through the buffer of NOV lines and find the header to ID.
4385 Enter this line into the dependencies hash table, and return
4386 the id of the parent article (if any)."
4387 (let ((deps gnus-newsgroup-dependencies)
4388 found header)
4389 (prog1
4390 (save-excursion
4391 (set-buffer nntp-server-buffer)
4392 (let ((case-fold-search nil))
4393 (goto-char (point-min))
4394 (while (and (not found)
4395 (search-forward id nil t))
4396 (beginning-of-line)
4397 (setq found (looking-at
4398 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4399 (regexp-quote id))))
4400 (or found (beginning-of-line 2)))
4401 (when found
4402 (beginning-of-line)
4403 (and
4404 (setq header (gnus-nov-parse-line
4405 (read (current-buffer)) deps))
4406 (gnus-parent-id (mail-header-references header))))))
4407 (when header
4408 (let ((number (mail-header-number header)))
4409 (push number gnus-newsgroup-limit)
4410 (push header gnus-newsgroup-headers)
4411 (if (memq number gnus-newsgroup-unselected)
4412 (progn
4413 (setq gnus-newsgroup-unreads
4414 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4415 number))
4416 (setq gnus-newsgroup-unselected
4417 (delq number gnus-newsgroup-unselected)))
4418 (push number gnus-newsgroup-ancient)))))))
4420 (defun gnus-build-all-threads ()
4421 "Read all the headers."
4422 (let ((gnus-summary-ignore-duplicates t)
4423 (mail-parse-charset gnus-newsgroup-charset)
4424 (dependencies gnus-newsgroup-dependencies)
4425 header article)
4426 (save-excursion
4427 (set-buffer nntp-server-buffer)
4428 (let ((case-fold-search nil))
4429 (goto-char (point-min))
4430 (while (not (eobp))
4431 (ignore-errors
4432 (setq article (read (current-buffer))
4433 header (gnus-nov-parse-line article dependencies)))
4434 (when header
4435 (with-current-buffer gnus-summary-buffer
4436 (push header gnus-newsgroup-headers)
4437 (if (memq (setq article (mail-header-number header))
4438 gnus-newsgroup-unselected)
4439 (progn
4440 (setq gnus-newsgroup-unreads
4441 (gnus-add-to-sorted-list
4442 gnus-newsgroup-unreads article))
4443 (setq gnus-newsgroup-unselected
4444 (delq article gnus-newsgroup-unselected)))
4445 (push article gnus-newsgroup-ancient)))
4446 (forward-line 1)))))))
4448 (defun gnus-summary-update-article-line (article header)
4449 "Update the line for ARTICLE using HEADER."
4450 (let* ((id (mail-header-id header))
4451 (thread (gnus-id-to-thread id)))
4452 (unless thread
4453 (error "Article in no thread"))
4454 ;; Update the thread.
4455 (setcar thread header)
4456 (gnus-summary-goto-subject article)
4457 (let* ((datal (gnus-data-find-list article))
4458 (data (car datal))
4459 (buffer-read-only nil)
4460 (level (gnus-summary-thread-level)))
4461 (gnus-delete-line)
4462 (let ((inserted (- (point)
4463 (progn
4464 (gnus-summary-insert-line
4465 header level nil
4466 (memq article gnus-newsgroup-undownloaded)
4467 (gnus-article-mark article)
4468 (memq article gnus-newsgroup-replied)
4469 (memq article gnus-newsgroup-expirable)
4470 ;; Only insert the Subject string when it's different
4471 ;; from the previous Subject string.
4472 (if (and
4473 gnus-show-threads
4474 (gnus-subject-equal
4475 (condition-case ()
4476 (mail-header-subject
4477 (gnus-data-header
4478 (cadr
4479 (gnus-data-find-list
4480 article
4481 (gnus-data-list t)))))
4482 ;; Error on the side of excessive subjects.
4483 (error ""))
4484 (mail-header-subject header)))
4486 (mail-header-subject header))
4487 nil (cdr (assq article gnus-newsgroup-scored))
4488 (memq article gnus-newsgroup-processable))
4489 (point)))))
4490 (when (cdr datal)
4491 (gnus-data-update-list
4492 (cdr datal)
4493 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4495 (defun gnus-summary-update-article (article &optional iheader)
4496 "Update ARTICLE in the summary buffer."
4497 (set-buffer gnus-summary-buffer)
4498 (let* ((header (gnus-summary-article-header article))
4499 (id (mail-header-id header))
4500 (data (gnus-data-find article))
4501 (thread (gnus-id-to-thread id))
4502 (references (mail-header-references header))
4503 (parent
4504 (gnus-id-to-thread
4505 (or (gnus-parent-id
4506 (when (and references
4507 (not (equal "" references)))
4508 references))
4509 "none")))
4510 (buffer-read-only nil)
4511 (old (car thread)))
4512 (when thread
4513 (unless iheader
4514 (setcar thread nil)
4515 (when parent
4516 (delq thread parent)))
4517 (if (gnus-summary-insert-subject id header)
4518 ;; Set the (possibly) new article number in the data structure.
4519 (gnus-data-set-number data (gnus-id-to-article id))
4520 (setcar thread old)
4521 nil))))
4523 (defun gnus-rebuild-thread (id &optional line)
4524 "Rebuild the thread containing ID.
4525 If LINE, insert the rebuilt thread starting on line LINE."
4526 (let ((buffer-read-only nil)
4527 old-pos current thread data)
4528 (if (not gnus-show-threads)
4529 (setq thread (list (car (gnus-id-to-thread id))))
4530 ;; Get the thread this article is part of.
4531 (setq thread (gnus-remove-thread id)))
4532 (setq old-pos (point-at-bol))
4533 (setq current (save-excursion
4534 (and (re-search-backward "[\r\n]" nil t)
4535 (gnus-summary-article-number))))
4536 ;; If this is a gathered thread, we have to go some re-gathering.
4537 (when (stringp (car thread))
4538 (let ((subject (car thread))
4539 roots thr)
4540 (setq thread (cdr thread))
4541 (while thread
4542 (unless (memq (setq thr (gnus-id-to-thread
4543 (gnus-root-id
4544 (mail-header-id (caar thread)))))
4545 roots)
4546 (push thr roots))
4547 (setq thread (cdr thread)))
4548 ;; We now have all (unique) roots.
4549 (if (= (length roots) 1)
4550 ;; All the loose roots are now one solid root.
4551 (setq thread (car roots))
4552 (setq thread (cons subject (gnus-sort-threads roots))))))
4553 (let (threads)
4554 ;; We then insert this thread into the summary buffer.
4555 (when line
4556 (goto-char (point-min))
4557 (forward-line (1- line)))
4558 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4559 (if gnus-show-threads
4560 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4561 (gnus-summary-prepare-unthreaded thread))
4562 (setq data (nreverse gnus-newsgroup-data))
4563 (setq threads gnus-newsgroup-threads))
4564 ;; We splice the new data into the data structure.
4565 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4566 ;;!!! then we want to insert at the beginning of the buffer.
4567 ;;!!! That happens to be true with Gnus now, but that may
4568 ;;!!! change in the future. Perhaps.
4569 (gnus-data-enter-list
4570 (if line nil current) data (- (point) old-pos))
4571 (setq gnus-newsgroup-threads
4572 (nconc threads gnus-newsgroup-threads))
4573 (gnus-data-compute-positions))))
4575 (defun gnus-number-to-header (number)
4576 "Return the header for article NUMBER."
4577 (let ((headers gnus-newsgroup-headers))
4578 (while (and headers
4579 (not (= number (mail-header-number (car headers)))))
4580 (pop headers))
4581 (when headers
4582 (car headers))))
4584 (defun gnus-parent-headers (in-headers &optional generation)
4585 "Return the headers of the GENERATIONeth parent of HEADERS."
4586 (unless generation
4587 (setq generation 1))
4588 (let ((parent t)
4589 (headers in-headers)
4590 references)
4591 (while (and parent
4592 (not (zerop generation))
4593 (setq references (mail-header-references headers)))
4594 (setq headers (if (and references
4595 (setq parent (gnus-parent-id references)))
4596 (car (gnus-id-to-thread parent))
4597 nil))
4598 (decf generation))
4599 (and (not (eq headers in-headers))
4600 headers)))
4602 (defun gnus-id-to-thread (id)
4603 "Return the (sub-)thread where ID appears."
4604 (gnus-gethash id gnus-newsgroup-dependencies))
4606 (defun gnus-id-to-article (id)
4607 "Return the article number of ID."
4608 (let ((thread (gnus-id-to-thread id)))
4609 (when (and thread
4610 (car thread))
4611 (mail-header-number (car thread)))))
4613 (defun gnus-id-to-header (id)
4614 "Return the article headers of ID."
4615 (car (gnus-id-to-thread id)))
4617 (defun gnus-article-displayed-root-p (article)
4618 "Say whether ARTICLE is a root(ish) article."
4619 (let ((level (gnus-summary-thread-level article))
4620 (refs (mail-header-references (gnus-summary-article-header article)))
4621 particle)
4622 (cond
4623 ((null level) nil)
4624 ((zerop level) t)
4625 ((null refs) t)
4626 ((null (gnus-parent-id refs)) t)
4627 ((and (= 1 level)
4628 (null (setq particle (gnus-id-to-article
4629 (gnus-parent-id refs))))
4630 (null (gnus-summary-thread-level particle)))))))
4632 (defun gnus-root-id (id)
4633 "Return the id of the root of the thread where ID appears."
4634 (let (last-id prev)
4635 (while (and id (setq prev (car (gnus-id-to-thread id))))
4636 (setq last-id id
4637 id (gnus-parent-id (mail-header-references prev))))
4638 last-id))
4640 (defun gnus-articles-in-thread (thread)
4641 "Return the list of articles in THREAD."
4642 (cons (mail-header-number (car thread))
4643 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4645 (defun gnus-remove-thread (id &optional dont-remove)
4646 "Remove the thread that has ID in it."
4647 (let (headers thread last-id)
4648 ;; First go up in this thread until we find the root.
4649 (setq last-id (gnus-root-id id)
4650 headers (message-flatten-list (gnus-id-to-thread last-id)))
4651 ;; We have now found the real root of this thread. It might have
4652 ;; been gathered into some loose thread, so we have to search
4653 ;; through the threads to find the thread we wanted.
4654 (let ((threads gnus-newsgroup-threads)
4655 sub)
4656 (while threads
4657 (setq sub (car threads))
4658 (if (stringp (car sub))
4659 ;; This is a gathered thread, so we look at the roots
4660 ;; below it to find whether this article is in this
4661 ;; gathered root.
4662 (progn
4663 (setq sub (cdr sub))
4664 (while sub
4665 (when (member (caar sub) headers)
4666 (setq thread (car threads)
4667 threads nil
4668 sub nil))
4669 (setq sub (cdr sub))))
4670 ;; It's an ordinary thread, so we check it.
4671 (when (eq (car sub) (car headers))
4672 (setq thread sub
4673 threads nil)))
4674 (setq threads (cdr threads)))
4675 ;; If this article is in no thread, then it's a root.
4676 (if thread
4677 (unless dont-remove
4678 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4679 (setq thread (gnus-id-to-thread last-id)))
4680 (when thread
4681 (prog1
4682 thread ; We return this thread.
4683 (unless dont-remove
4684 (if (stringp (car thread))
4685 (progn
4686 ;; If we use dummy roots, then we have to remove the
4687 ;; dummy root as well.
4688 (when (eq gnus-summary-make-false-root 'dummy)
4689 ;; We go to the dummy root by going to
4690 ;; the first sub-"thread", and then one line up.
4691 (gnus-summary-goto-article
4692 (mail-header-number (caadr thread)))
4693 (forward-line -1)
4694 (gnus-delete-line)
4695 (gnus-data-compute-positions))
4696 (setq thread (cdr thread))
4697 (while thread
4698 (gnus-remove-thread-1 (car thread))
4699 (setq thread (cdr thread))))
4700 (gnus-remove-thread-1 thread))))))))
4702 (defun gnus-remove-thread-1 (thread)
4703 "Remove the thread THREAD recursively."
4704 (let ((number (mail-header-number (pop thread)))
4706 (setq thread (reverse thread))
4707 (while thread
4708 (gnus-remove-thread-1 (pop thread)))
4709 (when (setq d (gnus-data-find number))
4710 (goto-char (gnus-data-pos d))
4711 (gnus-summary-show-thread)
4712 (gnus-data-remove
4713 number
4714 (- (point-at-bol)
4715 (prog1
4716 (1+ (point-at-eol))
4717 (gnus-delete-line)))))))
4719 (defun gnus-sort-threads-recursive (threads func)
4720 (sort (mapcar (lambda (thread)
4721 (cons (car thread)
4722 (and (cdr thread)
4723 (gnus-sort-threads-recursive (cdr thread) func))))
4724 threads) func))
4726 (defun gnus-sort-threads-loop (threads func)
4727 (let* ((superthread (cons nil threads))
4728 (stack (list (cons superthread threads)))
4729 remaining-threads thread)
4730 (while stack
4731 (setq remaining-threads (cdr (car stack)))
4732 (if remaining-threads
4733 (progn (setq thread (car remaining-threads))
4734 (setcdr (car stack) (cdr remaining-threads))
4735 (if (cdr thread)
4736 (push (cons thread (cdr thread)) stack)))
4737 (setq thread (caar stack))
4738 (setcdr thread (sort (cdr thread) func))
4739 (pop stack)))
4740 (cdr superthread)))
4742 (defun gnus-sort-threads (threads)
4743 "Sort THREADS."
4744 (if (not gnus-thread-sort-functions)
4745 threads
4746 (gnus-message 8 "Sorting threads...")
4747 (prog1
4748 (condition-case nil
4749 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4750 (gnus-sort-threads-recursive
4751 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4752 ;; Even after binding max-lisp-eval-depth, the recursive
4753 ;; sorter might fail for very long threads. In that case,
4754 ;; try using a (less well-tested) non-recursive sorter.
4755 (error (gnus-sort-threads-loop
4756 threads (gnus-make-sort-function
4757 gnus-thread-sort-functions))))
4758 (gnus-message 8 "Sorting threads...done"))))
4760 (defun gnus-sort-articles (articles)
4761 "Sort ARTICLES."
4762 (when gnus-article-sort-functions
4763 (gnus-message 7 "Sorting articles...")
4764 (prog1
4765 (setq gnus-newsgroup-headers
4766 (sort articles (gnus-make-sort-function
4767 gnus-article-sort-functions)))
4768 (gnus-message 7 "Sorting articles...done"))))
4770 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4771 (defmacro gnus-thread-header (thread)
4772 "Return header of first article in THREAD.
4773 Note that THREAD must never, ever be anything else than a variable -
4774 using some other form will lead to serious barfage."
4775 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4776 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4777 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4778 (vector thread) 2))
4780 (defsubst gnus-article-sort-by-number (h1 h2)
4781 "Sort articles by article number."
4782 (< (mail-header-number h1)
4783 (mail-header-number h2)))
4785 (defun gnus-thread-sort-by-number (h1 h2)
4786 "Sort threads by root article number."
4787 (gnus-article-sort-by-number
4788 (gnus-thread-header h1) (gnus-thread-header h2)))
4790 (defsubst gnus-article-sort-by-random (h1 h2)
4791 "Sort articles by article number."
4792 (zerop (random 2)))
4794 (defun gnus-thread-sort-by-random (h1 h2)
4795 "Sort threads by root article number."
4796 (gnus-article-sort-by-random
4797 (gnus-thread-header h1) (gnus-thread-header h2)))
4799 (defsubst gnus-article-sort-by-lines (h1 h2)
4800 "Sort articles by article Lines header."
4801 (< (mail-header-lines h1)
4802 (mail-header-lines h2)))
4804 (defun gnus-thread-sort-by-lines (h1 h2)
4805 "Sort threads by root article Lines header."
4806 (gnus-article-sort-by-lines
4807 (gnus-thread-header h1) (gnus-thread-header h2)))
4809 (defsubst gnus-article-sort-by-chars (h1 h2)
4810 "Sort articles by octet length."
4811 (< (mail-header-chars h1)
4812 (mail-header-chars h2)))
4814 (defun gnus-thread-sort-by-chars (h1 h2)
4815 "Sort threads by root article octet length."
4816 (gnus-article-sort-by-chars
4817 (gnus-thread-header h1) (gnus-thread-header h2)))
4819 (defsubst gnus-article-sort-by-author (h1 h2)
4820 "Sort articles by root author."
4821 (gnus-string<
4822 (let ((extract (funcall
4823 gnus-extract-address-components
4824 (mail-header-from h1))))
4825 (or (car extract) (cadr extract) ""))
4826 (let ((extract (funcall
4827 gnus-extract-address-components
4828 (mail-header-from h2))))
4829 (or (car extract) (cadr extract) ""))))
4831 (defun gnus-thread-sort-by-author (h1 h2)
4832 "Sort threads by root author."
4833 (gnus-article-sort-by-author
4834 (gnus-thread-header h1) (gnus-thread-header h2)))
4836 (defsubst gnus-article-sort-by-recipient (h1 h2)
4837 "Sort articles by recipient."
4838 (gnus-string<
4839 (let ((extract (funcall
4840 gnus-extract-address-components
4841 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4842 (or (car extract) (cadr extract)))
4843 (let ((extract (funcall
4844 gnus-extract-address-components
4845 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4846 (or (car extract) (cadr extract)))))
4848 (defun gnus-thread-sort-by-recipient (h1 h2)
4849 "Sort threads by root recipient."
4850 (gnus-article-sort-by-recipient
4851 (gnus-thread-header h1) (gnus-thread-header h2)))
4853 (defsubst gnus-article-sort-by-subject (h1 h2)
4854 "Sort articles by root subject."
4855 (gnus-string<
4856 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4857 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4859 (defun gnus-thread-sort-by-subject (h1 h2)
4860 "Sort threads by root subject."
4861 (gnus-article-sort-by-subject
4862 (gnus-thread-header h1) (gnus-thread-header h2)))
4864 (defsubst gnus-article-sort-by-date (h1 h2)
4865 "Sort articles by root article date."
4866 (time-less-p
4867 (gnus-date-get-time (mail-header-date h1))
4868 (gnus-date-get-time (mail-header-date h2))))
4870 (defun gnus-thread-sort-by-date (h1 h2)
4871 "Sort threads by root article date."
4872 (gnus-article-sort-by-date
4873 (gnus-thread-header h1) (gnus-thread-header h2)))
4875 (defsubst gnus-article-sort-by-score (h1 h2)
4876 "Sort articles by root article score.
4877 Unscored articles will be counted as having a score of zero."
4878 (> (or (cdr (assq (mail-header-number h1)
4879 gnus-newsgroup-scored))
4880 gnus-summary-default-score 0)
4881 (or (cdr (assq (mail-header-number h2)
4882 gnus-newsgroup-scored))
4883 gnus-summary-default-score 0)))
4885 (defun gnus-thread-sort-by-score (h1 h2)
4886 "Sort threads by root article score."
4887 (gnus-article-sort-by-score
4888 (gnus-thread-header h1) (gnus-thread-header h2)))
4890 (defun gnus-thread-sort-by-total-score (h1 h2)
4891 "Sort threads by the sum of all scores in the thread.
4892 Unscored articles will be counted as having a score of zero."
4893 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4895 (defun gnus-thread-total-score (thread)
4896 ;; This function find the total score of THREAD.
4897 (cond
4898 ((null thread)
4900 ((consp thread)
4901 (if (stringp (car thread))
4902 (apply gnus-thread-score-function 0
4903 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4904 (gnus-thread-total-score-1 thread)))
4906 (gnus-thread-total-score-1 (list thread)))))
4908 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4909 "Sort threads such that the thread with the most recently arrived article comes first."
4910 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4912 (defun gnus-thread-highest-number (thread)
4913 "Return the highest article number in THREAD."
4914 (apply 'max (mapcar (lambda (header)
4915 (mail-header-number header))
4916 (message-flatten-list thread))))
4918 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4919 "Sort threads such that the thread with the most recently dated article comes first."
4920 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4922 (defun gnus-thread-latest-date (thread)
4923 "Return the highest article date in THREAD."
4924 (let ((previous-time 0))
4925 (apply 'max
4926 (mapcar
4927 (lambda (header)
4928 (setq previous-time
4929 (condition-case ()
4930 (time-to-seconds (mail-header-parse-date
4931 (mail-header-date header)))
4932 (error previous-time))))
4933 (sort
4934 (message-flatten-list thread)
4935 (lambda (h1 h2)
4936 (< (mail-header-number h1)
4937 (mail-header-number h2))))))))
4939 (defun gnus-thread-total-score-1 (root)
4940 ;; This function find the total score of the thread below ROOT.
4941 (setq root (car root))
4942 (apply gnus-thread-score-function
4943 (or (append
4944 (mapcar 'gnus-thread-total-score
4945 (cdr (gnus-id-to-thread (mail-header-id root))))
4946 (when (> (mail-header-number root) 0)
4947 (list (or (cdr (assq (mail-header-number root)
4948 gnus-newsgroup-scored))
4949 gnus-summary-default-score 0))))
4950 (list gnus-summary-default-score)
4951 '(0))))
4953 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4954 (defvar gnus-tmp-prev-subject nil)
4955 (defvar gnus-tmp-false-parent nil)
4956 (defvar gnus-tmp-root-expunged nil)
4957 (defvar gnus-tmp-dummy-line nil)
4959 (defun gnus-extra-header (type &optional header)
4960 "Return the extra header of TYPE."
4961 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4962 ""))
4964 (defvar gnus-tmp-thread-tree-header-string "")
4966 (defcustom gnus-sum-thread-tree-root "> "
4967 "With %B spec, used for the root of a thread.
4968 If nil, use subject instead."
4969 :version "22.1"
4970 :type '(radio (const :format "%v " nil) string)
4971 :group 'gnus-thread)
4973 (defcustom gnus-sum-thread-tree-false-root "> "
4974 "With %B spec, used for a false root of a thread.
4975 If nil, use subject instead."
4976 :version "22.1"
4977 :type '(radio (const :format "%v " nil) string)
4978 :group 'gnus-thread)
4980 (defcustom gnus-sum-thread-tree-single-indent ""
4981 "With %B spec, used for a thread with just one message.
4982 If nil, use subject instead."
4983 :version "22.1"
4984 :type '(radio (const :format "%v " nil) string)
4985 :group 'gnus-thread)
4987 (defcustom gnus-sum-thread-tree-vertical "| "
4988 "With %B spec, used for drawing a vertical line."
4989 :version "22.1"
4990 :type 'string
4991 :group 'gnus-thread)
4993 (defcustom gnus-sum-thread-tree-indent " "
4994 "With %B spec, used for indenting."
4995 :version "22.1"
4996 :type 'string
4997 :group 'gnus-thread)
4999 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5000 "With %B spec, used for a leaf with brothers."
5001 :version "22.1"
5002 :type 'string
5003 :group 'gnus-thread)
5005 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5006 "With %B spec, used for a leaf without brothers."
5007 :version "22.1"
5008 :type 'string
5009 :group 'gnus-thread)
5011 (defun gnus-summary-prepare-threads (threads)
5012 "Prepare summary buffer from THREADS and indentation LEVEL.
5013 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5014 or a straight list of headers."
5015 (gnus-message 7 "Generating summary...")
5017 (setq gnus-newsgroup-threads threads)
5018 (beginning-of-line)
5020 (let ((gnus-tmp-level 0)
5021 (default-score (or gnus-summary-default-score 0))
5022 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5023 (building-line-count gnus-summary-display-while-building)
5024 (building-count (integerp gnus-summary-display-while-building))
5025 thread number subject stack state gnus-tmp-gathered beg-match
5026 new-roots gnus-tmp-new-adopts thread-end simp-subject
5027 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5028 gnus-tmp-replied gnus-tmp-subject-or-nil
5029 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5030 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5031 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5032 tree-stack)
5034 (setq gnus-tmp-prev-subject nil
5035 gnus-tmp-thread-tree-header-string "")
5037 (if (vectorp (car threads))
5038 ;; If this is a straight (sic) list of headers, then a
5039 ;; threaded summary display isn't required, so we just create
5040 ;; an unthreaded one.
5041 (gnus-summary-prepare-unthreaded threads)
5043 ;; Do the threaded display.
5045 (if gnus-summary-display-while-building
5046 (switch-to-buffer (buffer-name)))
5047 (while (or threads stack gnus-tmp-new-adopts new-roots)
5049 (if (and (= gnus-tmp-level 0)
5050 (or (not stack)
5051 (= (caar stack) 0))
5052 (not gnus-tmp-false-parent)
5053 (or gnus-tmp-new-adopts new-roots))
5054 (if gnus-tmp-new-adopts
5055 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5056 thread (list (car gnus-tmp-new-adopts))
5057 gnus-tmp-header (caar thread)
5058 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5059 (when new-roots
5060 (setq thread (list (car new-roots))
5061 gnus-tmp-header (caar thread)
5062 new-roots (cdr new-roots))))
5064 (if threads
5065 ;; If there are some threads, we do them before the
5066 ;; threads on the stack.
5067 (setq thread threads
5068 gnus-tmp-header (caar thread))
5069 ;; There were no current threads, so we pop something off
5070 ;; the stack.
5071 (setq state (car stack)
5072 gnus-tmp-level (car state)
5073 tree-stack (cadr state)
5074 thread (caddr state)
5075 stack (cdr stack)
5076 gnus-tmp-header (caar thread))))
5078 (setq gnus-tmp-false-parent nil)
5079 (setq gnus-tmp-root-expunged nil)
5080 (setq thread-end nil)
5082 (if (stringp gnus-tmp-header)
5083 ;; The header is a dummy root.
5084 (cond
5085 ((eq gnus-summary-make-false-root 'adopt)
5086 ;; We let the first article adopt the rest.
5087 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5088 (cddar thread)))
5089 (setq gnus-tmp-gathered
5090 (nconc (mapcar
5091 (lambda (h) (mail-header-number (car h)))
5092 (cddar thread))
5093 gnus-tmp-gathered))
5094 (setq thread (cons (list (caar thread)
5095 (cadar thread))
5096 (cdr thread)))
5097 (setq gnus-tmp-level -1
5098 gnus-tmp-false-parent t))
5099 ((eq gnus-summary-make-false-root 'empty)
5100 ;; We print adopted articles with empty subject fields.
5101 (setq gnus-tmp-gathered
5102 (nconc (mapcar
5103 (lambda (h) (mail-header-number (car h)))
5104 (cddar thread))
5105 gnus-tmp-gathered))
5106 (setq gnus-tmp-level -1))
5107 ((eq gnus-summary-make-false-root 'dummy)
5108 ;; We remember that we probably want to output a dummy
5109 ;; root.
5110 (setq gnus-tmp-dummy-line gnus-tmp-header)
5111 (setq gnus-tmp-prev-subject gnus-tmp-header))
5113 ;; We do not make a root for the gathered
5114 ;; sub-threads at all.
5115 (setq gnus-tmp-level -1)))
5117 (setq number (mail-header-number gnus-tmp-header)
5118 subject (mail-header-subject gnus-tmp-header)
5119 simp-subject (gnus-simplify-subject-fully subject))
5121 (cond
5122 ;; If the thread has changed subject, we might want to make
5123 ;; this subthread into a root.
5124 ((and (null gnus-thread-ignore-subject)
5125 (not (zerop gnus-tmp-level))
5126 gnus-tmp-prev-subject
5127 (not (string= gnus-tmp-prev-subject simp-subject)))
5128 (setq new-roots (nconc new-roots (list (car thread)))
5129 thread-end t
5130 gnus-tmp-header nil))
5131 ;; If the article lies outside the current limit,
5132 ;; then we do not display it.
5133 ((not (memq number gnus-newsgroup-limit))
5134 (setq gnus-tmp-gathered
5135 (nconc (mapcar
5136 (lambda (h) (mail-header-number (car h)))
5137 (cdar thread))
5138 gnus-tmp-gathered))
5139 (setq gnus-tmp-new-adopts (if (cdar thread)
5140 (append gnus-tmp-new-adopts
5141 (cdar thread))
5142 gnus-tmp-new-adopts)
5143 thread-end t
5144 gnus-tmp-header nil)
5145 (when (zerop gnus-tmp-level)
5146 (setq gnus-tmp-root-expunged t)))
5147 ;; Perhaps this article is to be marked as read?
5148 ((and gnus-summary-mark-below
5149 (< (or (cdr (assq number gnus-newsgroup-scored))
5150 default-score)
5151 gnus-summary-mark-below)
5152 ;; Don't touch sparse articles.
5153 (not (gnus-summary-article-sparse-p number))
5154 (not (gnus-summary-article-ancient-p number)))
5155 (setq gnus-newsgroup-unreads
5156 (delq number gnus-newsgroup-unreads))
5157 (if gnus-newsgroup-auto-expire
5158 (setq gnus-newsgroup-expirable
5159 (gnus-add-to-sorted-list
5160 gnus-newsgroup-expirable number))
5161 (push (cons number gnus-low-score-mark)
5162 gnus-newsgroup-reads))))
5164 (when gnus-tmp-header
5165 ;; We may have an old dummy line to output before this
5166 ;; article.
5167 (when (and gnus-tmp-dummy-line
5168 (gnus-subject-equal
5169 gnus-tmp-dummy-line
5170 (mail-header-subject gnus-tmp-header)))
5171 (gnus-summary-insert-dummy-line
5172 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5173 (setq gnus-tmp-dummy-line nil))
5175 ;; Compute the mark.
5176 (setq gnus-tmp-unread (gnus-article-mark number))
5178 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5179 gnus-tmp-header gnus-tmp-level)
5180 gnus-newsgroup-data)
5182 ;; Actually insert the line.
5183 (setq
5184 gnus-tmp-subject-or-nil
5185 (cond
5186 ((and gnus-thread-ignore-subject
5187 gnus-tmp-prev-subject
5188 (not (string= gnus-tmp-prev-subject simp-subject)))
5189 subject)
5190 ((zerop gnus-tmp-level)
5191 (if (and (eq gnus-summary-make-false-root 'empty)
5192 (memq number gnus-tmp-gathered)
5193 gnus-tmp-prev-subject
5194 (string= gnus-tmp-prev-subject simp-subject))
5195 gnus-summary-same-subject
5196 subject))
5197 (t gnus-summary-same-subject)))
5198 (if (and (eq gnus-summary-make-false-root 'adopt)
5199 (= gnus-tmp-level 1)
5200 (memq number gnus-tmp-gathered))
5201 (setq gnus-tmp-opening-bracket ?\<
5202 gnus-tmp-closing-bracket ?\>)
5203 (setq gnus-tmp-opening-bracket ?\[
5204 gnus-tmp-closing-bracket ?\]))
5205 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5206 (gnus-make-thread-indent-array
5207 (max (* 2 (length gnus-thread-indent-array))
5208 gnus-tmp-level)))
5209 (setq
5210 gnus-tmp-indentation
5211 (aref gnus-thread-indent-array gnus-tmp-level)
5212 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5213 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5214 gnus-summary-default-score 0)
5215 gnus-tmp-score-char
5216 (if (or (null gnus-summary-default-score)
5217 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5218 gnus-summary-zcore-fuzz))
5219 ? ;Whitespace
5220 (if (< gnus-tmp-score gnus-summary-default-score)
5221 gnus-score-below-mark gnus-score-over-mark))
5222 gnus-tmp-replied
5223 (cond ((memq number gnus-newsgroup-processable)
5224 gnus-process-mark)
5225 ((memq number gnus-newsgroup-cached)
5226 gnus-cached-mark)
5227 ((memq number gnus-newsgroup-replied)
5228 gnus-replied-mark)
5229 ((memq number gnus-newsgroup-forwarded)
5230 gnus-forwarded-mark)
5231 ((memq number gnus-newsgroup-saved)
5232 gnus-saved-mark)
5233 ((memq number gnus-newsgroup-recent)
5234 gnus-recent-mark)
5235 ((memq number gnus-newsgroup-unseen)
5236 gnus-unseen-mark)
5237 (t gnus-no-mark))
5238 gnus-tmp-downloaded
5239 (cond ((memq number gnus-newsgroup-undownloaded)
5240 gnus-undownloaded-mark)
5241 (gnus-newsgroup-agentized
5242 gnus-downloaded-mark)
5244 gnus-no-mark))
5245 gnus-tmp-from (mail-header-from gnus-tmp-header)
5246 gnus-tmp-name
5247 (cond
5248 ((string-match "<[^>]+> *$" gnus-tmp-from)
5249 (setq beg-match (match-beginning 0))
5250 (or (and (string-match "^\".+\"" gnus-tmp-from)
5251 (substring gnus-tmp-from 1 (1- (match-end 0))))
5252 (substring gnus-tmp-from 0 beg-match)))
5253 ((string-match "(.+)" gnus-tmp-from)
5254 (substring gnus-tmp-from
5255 (1+ (match-beginning 0)) (1- (match-end 0))))
5256 (t gnus-tmp-from))
5258 ;; Do the %B string
5259 gnus-tmp-thread-tree-header-string
5260 (cond
5261 ((not gnus-show-threads) "")
5262 ((zerop gnus-tmp-level)
5263 (cond ((cdar thread)
5264 (or gnus-sum-thread-tree-root subject))
5265 (gnus-tmp-new-adopts
5266 (or gnus-sum-thread-tree-false-root subject))
5268 (or gnus-sum-thread-tree-single-indent subject))))
5270 (concat (apply 'concat
5271 (mapcar (lambda (item)
5272 (if (= item 1)
5273 gnus-sum-thread-tree-vertical
5274 gnus-sum-thread-tree-indent))
5275 (cdr (reverse tree-stack))))
5276 (if (nth 1 thread)
5277 gnus-sum-thread-tree-leaf-with-other
5278 gnus-sum-thread-tree-single-leaf)))))
5279 (when (string= gnus-tmp-name "")
5280 (setq gnus-tmp-name gnus-tmp-from))
5281 (unless (numberp gnus-tmp-lines)
5282 (setq gnus-tmp-lines -1))
5283 (if (= gnus-tmp-lines -1)
5284 (setq gnus-tmp-lines "?")
5285 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5286 (gnus-put-text-property
5287 (point)
5288 (progn (eval gnus-summary-line-format-spec) (point))
5289 'gnus-number number)
5290 (when gnus-visual-p
5291 (forward-line -1)
5292 (gnus-run-hooks 'gnus-summary-update-hook)
5293 (forward-line 1))
5295 (setq gnus-tmp-prev-subject simp-subject)))
5297 (when (nth 1 thread)
5298 (push (list (max 0 gnus-tmp-level)
5299 (copy-sequence tree-stack)
5300 (nthcdr 1 thread))
5301 stack))
5302 (push (if (nth 1 thread) 1 0) tree-stack)
5303 (incf gnus-tmp-level)
5304 (setq threads (if thread-end nil (cdar thread)))
5305 (if gnus-summary-display-while-building
5306 (if building-count
5307 (progn
5308 ;; use a set frequency
5309 (setq building-line-count (1- building-line-count))
5310 (when (= building-line-count 0)
5311 (sit-for 0)
5312 (setq building-line-count
5313 gnus-summary-display-while-building)))
5314 ;; always
5315 (sit-for 0)))
5316 (unless threads
5317 (setq gnus-tmp-level 0)))))
5318 (gnus-message 7 "Generating summary...done"))
5320 (defun gnus-summary-prepare-unthreaded (headers)
5321 "Generate an unthreaded summary buffer based on HEADERS."
5322 (let (header number mark)
5324 (beginning-of-line)
5326 (while headers
5327 ;; We may have to root out some bad articles...
5328 (when (memq (setq number (mail-header-number
5329 (setq header (pop headers))))
5330 gnus-newsgroup-limit)
5331 ;; Mark article as read when it has a low score.
5332 (when (and gnus-summary-mark-below
5333 (< (or (cdr (assq number gnus-newsgroup-scored))
5334 gnus-summary-default-score 0)
5335 gnus-summary-mark-below)
5336 (not (gnus-summary-article-ancient-p number)))
5337 (setq gnus-newsgroup-unreads
5338 (delq number gnus-newsgroup-unreads))
5339 (if gnus-newsgroup-auto-expire
5340 (push number gnus-newsgroup-expirable)
5341 (push (cons number gnus-low-score-mark)
5342 gnus-newsgroup-reads)))
5344 (setq mark (gnus-article-mark number))
5345 (push (gnus-data-make number mark (1+ (point)) header 0)
5346 gnus-newsgroup-data)
5347 (gnus-summary-insert-line
5348 header 0 number
5349 (memq number gnus-newsgroup-undownloaded)
5350 mark (memq number gnus-newsgroup-replied)
5351 (memq number gnus-newsgroup-expirable)
5352 (mail-header-subject header) nil
5353 (cdr (assq number gnus-newsgroup-scored))
5354 (memq number gnus-newsgroup-processable))))))
5356 (defun gnus-summary-remove-list-identifiers ()
5357 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5358 (let ((regexp (if (consp gnus-list-identifiers)
5359 (mapconcat 'identity gnus-list-identifiers " *\\|")
5360 gnus-list-identifiers))
5361 changed subject)
5362 (when regexp
5363 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5364 (dolist (header gnus-newsgroup-headers)
5365 (setq subject (mail-header-subject header)
5366 changed nil)
5367 (while (string-match regexp subject)
5368 (setq subject
5369 (concat (substring subject 0 (match-beginning 1))
5370 (substring subject (match-end 0)))
5371 changed t))
5372 (when changed
5373 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5374 (setq subject
5375 (concat (substring subject 0 (match-beginning 1))
5376 (substring subject (match-end 1)))))
5377 (mail-header-set-subject header subject))))))
5379 (defun gnus-fetch-headers (articles)
5380 "Fetch headers of ARTICLES."
5381 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5382 (gnus-message 5 "Fetching headers for %s..." name)
5383 (prog1
5384 (if (eq 'nov
5385 (setq gnus-headers-retrieved-by
5386 (gnus-retrieve-headers
5387 articles gnus-newsgroup-name
5388 ;; We might want to fetch old headers, but
5389 ;; not if there is only 1 article.
5390 (and (or (and
5391 (not (eq gnus-fetch-old-headers 'some))
5392 (not (numberp gnus-fetch-old-headers)))
5393 (> (length articles) 1))
5394 gnus-fetch-old-headers))))
5395 (gnus-get-newsgroup-headers-xover
5396 articles nil nil gnus-newsgroup-name t)
5397 (gnus-get-newsgroup-headers))
5398 (gnus-message 5 "Fetching headers for %s...done" name))))
5400 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5401 "Select newsgroup GROUP.
5402 If READ-ALL is non-nil, all articles in the group are selected.
5403 If SELECT-ARTICLES, only select those articles from GROUP."
5404 (let* ((entry (gnus-group-entry group))
5405 ;;!!! Dirty hack; should be removed.
5406 (gnus-summary-ignore-duplicates
5407 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5409 gnus-summary-ignore-duplicates))
5410 (info (nth 2 entry))
5411 charset articles fetched-articles cached)
5413 (unless (gnus-check-server
5414 (set (make-local-variable 'gnus-current-select-method)
5415 (gnus-find-method-for-group group)))
5416 (error "Couldn't open server"))
5417 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5419 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5420 (gnus-activate-group group) ; Or we can activate it...
5421 (progn ; Or we bug out.
5422 (when (equal major-mode 'gnus-summary-mode)
5423 (gnus-kill-buffer (current-buffer)))
5424 (error
5425 "Couldn't activate group %s: %s"
5426 (mm-decode-coding-string group charset)
5427 (mm-decode-coding-string (gnus-status-message group) charset))))
5429 (unless (gnus-request-group group t)
5430 (when (equal major-mode 'gnus-summary-mode)
5431 (gnus-kill-buffer (current-buffer)))
5432 (error "Couldn't request group %s: %s"
5433 (mm-decode-coding-string group charset)
5434 (mm-decode-coding-string (gnus-status-message group) charset)))
5436 (when gnus-agent
5437 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5439 (setq gnus-summary-use-undownloaded-faces
5440 (gnus-agent-find-parameter
5441 group
5442 'agent-enable-undownloaded-faces)))
5444 (setq gnus-newsgroup-name group
5445 gnus-newsgroup-unselected nil
5446 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5448 (let ((display (gnus-group-find-parameter group 'display)))
5449 (setq gnus-newsgroup-display
5450 (cond
5451 ((not (zerop (or (car-safe read-all) 0)))
5452 ;; The user entered the group with C-u SPC/RET, let's show
5453 ;; all articles.
5454 'gnus-not-ignore)
5455 ((eq display 'all)
5456 'gnus-not-ignore)
5457 ((arrayp display)
5458 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5459 ((numberp display)
5460 ;; The following is probably the "correct" solution, but
5461 ;; it makes Gnus fetch all headers and then limit the
5462 ;; articles (which is slow), so instead we hack the
5463 ;; select-articles parameter instead. -- Simon Josefsson
5464 ;; <jas@kth.se>
5466 ;; (gnus-byte-compile
5467 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5468 ;; display)))))
5469 (setq select-articles
5470 (gnus-uncompress-range
5471 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5472 (if (> tmp 0)
5475 (cdr (gnus-active group)))))
5476 nil)
5478 nil))))
5480 (gnus-summary-setup-default-charset)
5482 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5483 (when (gnus-virtual-group-p group)
5484 (setq cached gnus-newsgroup-cached))
5486 (setq gnus-newsgroup-unreads
5487 (gnus-sorted-ndifference
5488 (gnus-sorted-ndifference gnus-newsgroup-unreads
5489 gnus-newsgroup-marked)
5490 gnus-newsgroup-dormant))
5492 (setq gnus-newsgroup-processable nil)
5494 (gnus-update-read-articles group gnus-newsgroup-unreads)
5496 ;; Adjust and set lists of article marks.
5497 (when info
5498 (gnus-adjust-marked-articles info))
5499 (if (setq articles select-articles)
5500 (setq gnus-newsgroup-unselected
5501 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5502 (setq articles (gnus-articles-to-read group read-all)))
5504 (cond
5505 ((null articles)
5506 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5507 'quit)
5508 ((eq articles 0) nil)
5510 ;; Init the dependencies hash table.
5511 (setq gnus-newsgroup-dependencies
5512 (gnus-make-hashtable (length articles)))
5513 (gnus-set-global-variables)
5514 ;; Retrieve the headers and read them in.
5516 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5518 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5519 (when cached
5520 (setq gnus-newsgroup-cached cached))
5522 ;; Suppress duplicates?
5523 (when gnus-suppress-duplicates
5524 (gnus-dup-suppress-articles))
5526 ;; Set the initial limit.
5527 (setq gnus-newsgroup-limit (copy-sequence articles))
5528 ;; Remove canceled articles from the list of unread articles.
5529 (setq fetched-articles
5530 (mapcar (lambda (headers) (mail-header-number headers))
5531 gnus-newsgroup-headers))
5532 (setq gnus-newsgroup-articles fetched-articles)
5533 (setq gnus-newsgroup-unreads
5534 (gnus-sorted-nintersection
5535 gnus-newsgroup-unreads fetched-articles))
5536 (gnus-compute-unseen-list)
5538 ;; Removed marked articles that do not exist.
5539 (gnus-update-missing-marks
5540 (gnus-sorted-difference articles fetched-articles))
5541 ;; We might want to build some more threads first.
5542 (when (and gnus-fetch-old-headers
5543 (eq gnus-headers-retrieved-by 'nov))
5544 (if (eq gnus-fetch-old-headers 'invisible)
5545 (gnus-build-all-threads)
5546 (gnus-build-old-threads)))
5547 ;; Let the Gnus agent mark articles as read.
5548 (when gnus-agent
5549 (gnus-agent-get-undownloaded-list))
5550 ;; Remove list identifiers from subject
5551 (when gnus-list-identifiers
5552 (gnus-summary-remove-list-identifiers))
5553 ;; Check whether auto-expire is to be done in this group.
5554 (setq gnus-newsgroup-auto-expire
5555 (gnus-group-auto-expirable-p group))
5556 ;; Set up the article buffer now, if necessary.
5557 (unless (and gnus-single-article-buffer
5558 (equal gnus-article-buffer "*Article*"))
5559 (gnus-article-setup-buffer))
5560 ;; First and last article in this newsgroup.
5561 (when gnus-newsgroup-headers
5562 (setq gnus-newsgroup-begin
5563 (mail-header-number (car gnus-newsgroup-headers))
5564 gnus-newsgroup-end
5565 (mail-header-number
5566 (gnus-last-element gnus-newsgroup-headers))))
5567 ;; GROUP is successfully selected.
5568 (or gnus-newsgroup-headers t)))))
5570 (defun gnus-compute-unseen-list ()
5571 ;; The `seen' marks are treated specially.
5572 (if (not gnus-newsgroup-seen)
5573 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5574 (setq gnus-newsgroup-unseen
5575 (gnus-inverse-list-range-intersection
5576 gnus-newsgroup-articles gnus-newsgroup-seen))))
5578 (defun gnus-summary-display-make-predicate (display)
5579 (require 'gnus-agent)
5580 (when (= (length display) 1)
5581 (setq display (car display)))
5582 (unless gnus-summary-display-cache
5583 (dolist (elem (append '((unread . unread)
5584 (read . read)
5585 (unseen . unseen))
5586 gnus-article-mark-lists))
5587 (push (cons (cdr elem)
5588 (gnus-byte-compile
5589 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5590 gnus-summary-display-cache)))
5591 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5592 (gnus-category-predicate-cache gnus-summary-display-cache))
5593 (gnus-get-predicate display)))
5595 ;; Uses the dynamically bound `number' variable.
5596 (defvar number)
5597 (defun gnus-article-marked-p (type &optional article)
5598 (let ((article (or article number)))
5599 (cond
5600 ((eq type 'tick)
5601 (memq article gnus-newsgroup-marked))
5602 ((eq type 'spam)
5603 (memq article gnus-newsgroup-spam-marked))
5604 ((eq type 'unsend)
5605 (memq article gnus-newsgroup-unsendable))
5606 ((eq type 'undownload)
5607 (memq article gnus-newsgroup-undownloaded))
5608 ((eq type 'download)
5609 (memq article gnus-newsgroup-downloadable))
5610 ((eq type 'unread)
5611 (memq article gnus-newsgroup-unreads))
5612 ((eq type 'read)
5613 (memq article gnus-newsgroup-reads))
5614 ((eq type 'dormant)
5615 (memq article gnus-newsgroup-dormant) )
5616 ((eq type 'expire)
5617 (memq article gnus-newsgroup-expirable))
5618 ((eq type 'reply)
5619 (memq article gnus-newsgroup-replied))
5620 ((eq type 'killed)
5621 (memq article gnus-newsgroup-killed))
5622 ((eq type 'bookmark)
5623 (assq article gnus-newsgroup-bookmarks))
5624 ((eq type 'score)
5625 (assq article gnus-newsgroup-scored))
5626 ((eq type 'save)
5627 (memq article gnus-newsgroup-saved))
5628 ((eq type 'cache)
5629 (memq article gnus-newsgroup-cached))
5630 ((eq type 'forward)
5631 (memq article gnus-newsgroup-forwarded))
5632 ((eq type 'seen)
5633 (not (memq article gnus-newsgroup-unseen)))
5634 ((eq type 'recent)
5635 (memq article gnus-newsgroup-recent))
5636 (t t))))
5638 (defun gnus-articles-to-read (group &optional read-all)
5639 "Find out what articles the user wants to read."
5640 (let* ((articles
5641 ;; Select all articles if `read-all' is non-nil, or if there
5642 ;; are no unread articles.
5643 (if (or read-all
5644 (and (zerop (length gnus-newsgroup-marked))
5645 (zerop (length gnus-newsgroup-unreads)))
5646 ;; Fetch all if the predicate is non-nil.
5647 gnus-newsgroup-display)
5648 ;; We want to select the headers for all the articles in
5649 ;; the group, so we select either all the active
5650 ;; articles in the group, or (if that's nil), the
5651 ;; articles in the cache.
5653 (if gnus-newsgroup-maximum-articles
5654 (let ((active (gnus-active group)))
5655 (gnus-uncompress-range
5656 (cons (max (car active)
5657 (- (cdr active)
5658 gnus-newsgroup-maximum-articles
5659 -1))
5660 (cdr active))))
5661 (gnus-uncompress-range (gnus-active group)))
5662 (gnus-cache-articles-in-group group))
5663 ;; Select only the "normal" subset of articles.
5664 (gnus-sorted-nunion
5665 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5666 gnus-newsgroup-unreads)))
5667 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5668 (scored (length scored-list))
5669 (number (length articles))
5670 (marked (+ (length gnus-newsgroup-marked)
5671 (length gnus-newsgroup-dormant)))
5672 (select
5673 (cond
5674 ((numberp read-all)
5675 read-all)
5676 ((numberp gnus-newsgroup-display)
5677 gnus-newsgroup-display)
5679 (condition-case ()
5680 (cond
5681 ((and (or (<= scored marked) (= scored number))
5682 (numberp gnus-large-newsgroup)
5683 (> number gnus-large-newsgroup))
5684 (let* ((cursor-in-echo-area nil)
5685 (initial (gnus-parameter-large-newsgroup-initial
5686 gnus-newsgroup-name))
5687 (input
5688 (read-string
5689 (format
5690 "How many articles from %s (%s %d): "
5691 (gnus-group-decoded-name gnus-newsgroup-name)
5692 (if initial "max" "default")
5693 number)
5694 (if initial
5695 (cons (number-to-string initial)
5696 0)))))
5697 (if (string-match "^[ \t]*$" input) number input)))
5698 ((and (> scored marked) (< scored number)
5699 (> (- scored number) 20))
5700 (let ((input
5701 (read-string
5702 (format "%s %s (%d scored, %d total): "
5703 "How many articles from"
5704 (gnus-group-decoded-name group)
5705 scored number))))
5706 (if (string-match "^[ \t]*$" input)
5707 number input)))
5708 (t number))
5709 (quit
5710 (message "Quit getting the articles to read")
5711 nil))))))
5712 (setq select (if (stringp select) (string-to-number select) select))
5713 (if (or (null select) (zerop select))
5714 select
5715 (if (and (not (zerop scored)) (<= (abs select) scored))
5716 (progn
5717 (setq articles (sort scored-list '<))
5718 (setq number (length articles)))
5719 (setq articles (copy-sequence articles)))
5721 (when (< (abs select) number)
5722 (if (< select 0)
5723 ;; Select the N oldest articles.
5724 (setcdr (nthcdr (1- (abs select)) articles) nil)
5725 ;; Select the N most recent articles.
5726 (setq articles (nthcdr (- number select) articles))))
5727 (setq gnus-newsgroup-unselected
5728 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5729 (when gnus-alter-articles-to-read-function
5730 (setq articles
5731 (sort
5732 (funcall gnus-alter-articles-to-read-function
5733 gnus-newsgroup-name articles)
5734 '<)))
5735 articles)))
5737 (defun gnus-killed-articles (killed articles)
5738 (let (out)
5739 (while articles
5740 (when (inline (gnus-member-of-range (car articles) killed))
5741 (push (car articles) out))
5742 (setq articles (cdr articles)))
5743 out))
5745 (defun gnus-uncompress-marks (marks)
5746 "Uncompress the mark ranges in MARKS."
5747 (let ((uncompressed '(score bookmark))
5748 out)
5749 (while marks
5750 (if (memq (caar marks) uncompressed)
5751 (push (car marks) out)
5752 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5753 (setq marks (cdr marks)))
5754 out))
5756 (defun gnus-article-mark-to-type (mark)
5757 "Return the type of MARK."
5758 (or (cadr (assq mark gnus-article-special-mark-lists))
5759 'list))
5761 (defun gnus-article-unpropagatable-p (mark)
5762 "Return whether MARK should be propagated to back end."
5763 (memq mark gnus-article-unpropagated-mark-lists))
5765 (defun gnus-adjust-marked-articles (info)
5766 "Set all article lists and remove all marks that are no longer valid."
5767 (let* ((marked-lists (gnus-info-marks info))
5768 (active (gnus-active (gnus-info-group info)))
5769 (min (car active))
5770 (max (cdr active))
5771 (types gnus-article-mark-lists)
5772 marks var articles article mark mark-type
5773 bgn end)
5775 (dolist (marks marked-lists)
5776 (setq mark (car marks)
5777 mark-type (gnus-article-mark-to-type mark)
5778 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5780 ;; We set the variable according to the type of the marks list,
5781 ;; and then adjust the marks to a subset of the active articles.
5782 (cond
5783 ;; Adjust "simple" lists - compressed yet unsorted
5784 ((eq mark-type 'list)
5785 ;; Simultaneously uncompress and clip to active range
5786 ;; See gnus-uncompress-range for a description of possible marks
5787 (let (l lh)
5788 (if (not (cadr marks))
5789 (set var nil)
5790 (setq articles (if (numberp (cddr marks))
5791 (list (cdr marks))
5792 (cdr marks))
5793 lh (cons nil nil)
5794 l lh)
5796 (while (setq article (pop articles))
5797 (cond ((consp article)
5798 (setq bgn (max (car article) min)
5799 end (min (cdr article) max))
5800 (while (<= bgn end)
5801 (setq l (setcdr l (cons bgn nil))
5802 bgn (1+ bgn))))
5803 ((and (<= min article)
5804 (>= max article))
5805 (setq l (setcdr l (cons article nil))))))
5806 (set var (cdr lh)))))
5807 ;; Adjust assocs.
5808 ((eq mark-type 'tuple)
5809 (set var (setq articles (cdr marks)))
5810 (when (not (listp (cdr (symbol-value var))))
5811 (set var (list (symbol-value var))))
5812 (when (not (listp (cdr articles)))
5813 (setq articles (list articles)))
5814 (while articles
5815 (when (or (not (consp (setq article (pop articles))))
5816 (< (car article) min)
5817 (> (car article) max))
5818 (set var (delq article (symbol-value var))))))
5819 ;; Adjust ranges (sloppily).
5820 ((eq mark-type 'range)
5821 (cond
5822 ((eq mark 'seen)
5823 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5824 ;; It should be (seen (NUM1 . NUM2)).
5825 (when (numberp (cddr marks))
5826 (setcdr marks (list (cdr marks))))
5827 (setq articles (cdr marks))
5828 (while (and articles
5829 (or (and (consp (car articles))
5830 (> min (cdar articles)))
5831 (and (numberp (car articles))
5832 (> min (car articles)))))
5833 (pop articles))
5834 (set var articles))))))))
5836 (defun gnus-update-missing-marks (missing)
5837 "Go through the list of MISSING articles and remove them from the mark lists."
5838 (when missing
5839 (let (var m)
5840 ;; Go through all types.
5841 (dolist (elem gnus-article-mark-lists)
5842 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5843 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5844 (when (symbol-value var)
5845 ;; This list has articles. So we delete all missing
5846 ;; articles from it.
5847 (setq m missing)
5848 (while m
5849 (set var (delq (pop m) (symbol-value var))))))))))
5851 (defun gnus-update-marks ()
5852 "Enter the various lists of marked articles into the newsgroup info list."
5853 (let ((types gnus-article-mark-lists)
5854 (info (gnus-get-info gnus-newsgroup-name))
5855 type list newmarked symbol delta-marks)
5856 (when info
5857 ;; Add all marks lists to the list of marks lists.
5858 (while (setq type (pop types))
5859 (setq list (symbol-value
5860 (setq symbol
5861 (intern (format "gnus-newsgroup-%s" (car type))))))
5863 (when list
5864 ;; Get rid of the entries of the articles that have the
5865 ;; default score.
5866 (when (and (eq (cdr type) 'score)
5867 gnus-save-score
5868 list)
5869 (let* ((arts list)
5870 (prev (cons nil list))
5871 (all prev))
5872 (while arts
5873 (if (or (not (consp (car arts)))
5874 (= (cdar arts) gnus-summary-default-score))
5875 (setcdr prev (cdr arts))
5876 (setq prev arts))
5877 (setq arts (cdr arts)))
5878 (setq list (cdr all)))))
5880 (when (eq (cdr type) 'seen)
5881 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5883 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5884 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5886 (when (and (gnus-check-backend-function
5887 'request-set-mark gnus-newsgroup-name)
5888 (not (gnus-article-unpropagatable-p (cdr type))))
5889 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5890 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5891 (add (gnus-remove-from-range
5892 (gnus-copy-sequence list) old)))
5893 (when add
5894 (push (list add 'add (list (cdr type))) delta-marks))
5895 (when del
5896 (push (list del 'del (list (cdr type))) delta-marks))))
5898 (when list
5899 (push (cons (cdr type) list) newmarked)))
5901 (when delta-marks
5902 (unless (gnus-check-group gnus-newsgroup-name)
5903 (error "Can't open server for %s" gnus-newsgroup-name))
5904 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5906 ;; Enter these new marks into the info of the group.
5907 (if (nthcdr 3 info)
5908 (setcar (nthcdr 3 info) newmarked)
5909 ;; Add the marks lists to the end of the info.
5910 (when newmarked
5911 (setcdr (nthcdr 2 info) (list newmarked))))
5913 ;; Cut off the end of the info if there's nothing else there.
5914 (let ((i 5))
5915 (while (and (> i 2)
5916 (not (nth i info)))
5917 (when (nthcdr (decf i) info)
5918 (setcdr (nthcdr i info) nil)))))))
5920 (defun gnus-set-mode-line (where)
5921 "Set the mode line of the article or summary buffers.
5922 If WHERE is `summary', the summary mode line format will be used."
5923 ;; Is this mode line one we keep updated?
5924 (when (and (memq where gnus-updated-mode-lines)
5925 (symbol-value
5926 (intern (format "gnus-%s-mode-line-format-spec" where))))
5927 (let (mode-string)
5928 (save-excursion
5929 ;; We evaluate this in the summary buffer since these
5930 ;; variables are buffer-local to that buffer.
5931 (set-buffer gnus-summary-buffer)
5932 ;; We bind all these variables that are used in the `eval' form
5933 ;; below.
5934 (let* ((mformat (symbol-value
5935 (intern
5936 (format "gnus-%s-mode-line-format-spec" where))))
5937 (gnus-tmp-group-name (gnus-mode-string-quote
5938 (gnus-group-decoded-name
5939 gnus-newsgroup-name)))
5940 (gnus-tmp-article-number (or gnus-current-article 0))
5941 (gnus-tmp-unread gnus-newsgroup-unreads)
5942 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5943 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5944 (gnus-tmp-unread-and-unselected
5945 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5946 (zerop gnus-tmp-unselected))
5948 ((zerop gnus-tmp-unselected)
5949 (format "{%d more}" gnus-tmp-unread-and-unticked))
5950 (t (format "{%d(+%d) more}"
5951 gnus-tmp-unread-and-unticked
5952 gnus-tmp-unselected))))
5953 (gnus-tmp-subject
5954 (if (and gnus-current-headers
5955 (vectorp gnus-current-headers))
5956 (gnus-mode-string-quote
5957 (mail-header-subject gnus-current-headers))
5958 ""))
5959 bufname-length max-len
5960 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5961 (setq mode-string (eval mformat))
5962 (setq bufname-length (if (string-match "%b" mode-string)
5963 (- (length
5964 (buffer-name
5965 (if (eq where 'summary)
5967 (get-buffer gnus-article-buffer))))
5970 (setq max-len (max 4 (if gnus-mode-non-string-length
5971 (- (window-width)
5972 gnus-mode-non-string-length
5973 bufname-length)
5974 (length mode-string))))
5975 ;; We might have to chop a bit of the string off...
5976 (when (> (length mode-string) max-len)
5977 (setq mode-string
5978 (concat (truncate-string-to-width mode-string (- max-len 3))
5979 "...")))
5980 ;; Pad the mode string a bit.
5981 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5982 ;; Update the mode line.
5983 (setq mode-line-buffer-identification
5984 (gnus-mode-line-buffer-identification (list mode-string)))
5985 (set-buffer-modified-p t))))
5987 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5988 "Go through the HEADERS list and add all Xrefs to a hash table.
5989 The resulting hash table is returned, or nil if no Xrefs were found."
5990 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5991 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5992 (xref-hashtb (gnus-make-hashtable))
5993 start group entry number xrefs header)
5994 (while headers
5995 (setq header (pop headers))
5996 (when (and (setq xrefs (mail-header-xref header))
5997 (not (memq (setq number (mail-header-number header))
5998 unreads)))
5999 (setq start 0)
6000 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6001 (setq start (match-end 0))
6002 (setq group (if prefix
6003 (concat prefix (substring xrefs (match-beginning 1)
6004 (match-end 1)))
6005 (substring xrefs (match-beginning 1) (match-end 1))))
6006 (setq number
6007 (string-to-number (substring xrefs (match-beginning 2)
6008 (match-end 2))))
6009 (if (setq entry (gnus-gethash group xref-hashtb))
6010 (setcdr entry (cons number (cdr entry)))
6011 (gnus-sethash group (cons number nil) xref-hashtb)))))
6012 (and start xref-hashtb)))
6014 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6015 "Look through all the headers and mark the Xrefs as read."
6016 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6017 name info xref-hashtb idlist method nth4)
6018 (save-excursion
6019 (set-buffer gnus-group-buffer)
6020 (when (setq xref-hashtb
6021 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6022 (mapatoms
6023 (lambda (group)
6024 (unless (string= from-newsgroup (setq name (symbol-name group)))
6025 (setq idlist (symbol-value group))
6026 ;; Dead groups are not updated.
6027 (and (prog1
6028 (setq info (gnus-get-info name))
6029 (when (stringp (setq nth4 (gnus-info-method info)))
6030 (setq nth4 (gnus-server-to-method nth4))))
6031 ;; Only do the xrefs if the group has the same
6032 ;; select method as the group we have just read.
6033 (or (gnus-methods-equal-p
6034 nth4 (gnus-find-method-for-group from-newsgroup))
6035 virtual
6036 (equal nth4 (setq method (gnus-find-method-for-group
6037 from-newsgroup)))
6038 (and (equal (car nth4) (car method))
6039 (equal (nth 1 nth4) (nth 1 method))))
6040 gnus-use-cross-reference
6041 (or (not (eq gnus-use-cross-reference t))
6042 virtual
6043 ;; Only do cross-references on subscribed
6044 ;; groups, if that is what is wanted.
6045 (<= (gnus-info-level info) gnus-level-subscribed))
6046 (gnus-group-make-articles-read name idlist))))
6047 xref-hashtb)))))
6049 (defun gnus-compute-read-articles (group articles)
6050 (let* ((entry (gnus-group-entry group))
6051 (info (nth 2 entry))
6052 (active (gnus-active group))
6053 ninfo)
6054 (when entry
6055 ;; First peel off all invalid article numbers.
6056 (when active
6057 (let ((ids articles)
6058 id first)
6059 (while (setq id (pop ids))
6060 (when (and first (> id (cdr active)))
6061 ;; We'll end up in this situation in one particular
6062 ;; obscure situation. If you re-scan a group and get
6063 ;; a new article that is cross-posted to a different
6064 ;; group that has not been re-scanned, you might get
6065 ;; crossposted article that has a higher number than
6066 ;; Gnus believes possible. So we re-activate this
6067 ;; group as well. This might mean doing the
6068 ;; crossposting thingy will *increase* the number
6069 ;; of articles in some groups. Tsk, tsk.
6070 (setq active (or (gnus-activate-group group) active)))
6071 (when (or (> id (cdr active))
6072 (< id (car active)))
6073 (setq articles (delq id articles))))))
6074 ;; If the read list is nil, we init it.
6075 (if (and active
6076 (null (gnus-info-read info))
6077 (> (car active) 1))
6078 (setq ninfo (cons 1 (1- (car active))))
6079 (setq ninfo (gnus-info-read info)))
6080 ;; Then we add the read articles to the range.
6081 (gnus-add-to-range
6082 ninfo (setq articles (sort articles '<))))))
6084 (defun gnus-group-make-articles-read (group articles)
6085 "Update the info of GROUP to say that ARTICLES are read."
6086 (let* ((num 0)
6087 (entry (gnus-group-entry group))
6088 (info (nth 2 entry))
6089 (active (gnus-active group))
6090 range)
6091 (when entry
6092 (setq range (gnus-compute-read-articles group articles))
6093 (with-current-buffer gnus-group-buffer
6094 (gnus-undo-register
6095 `(progn
6096 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6097 (gnus-info-set-read ',info ',(gnus-info-read info))
6098 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6099 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6100 (gnus-group-update-group ,group t))))
6101 ;; Add the read articles to the range.
6102 (gnus-info-set-read info range)
6103 (gnus-request-set-mark group (list (list range 'add '(read))))
6104 ;; Then we have to re-compute how many unread
6105 ;; articles there are in this group.
6106 (when active
6107 (cond
6108 ((not range)
6109 (setq num (- (1+ (cdr active)) (car active))))
6110 ((not (listp (cdr range)))
6111 (setq num (- (cdr active) (- (1+ (cdr range))
6112 (car range)))))
6114 (while range
6115 (if (numberp (car range))
6116 (setq num (1+ num))
6117 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6118 (setq range (cdr range)))
6119 (setq num (- (cdr active) num))))
6120 ;; Update the number of unread articles.
6121 (setcar entry num)
6122 ;; Update the group buffer.
6123 (unless (gnus-ephemeral-group-p group)
6124 (gnus-group-update-group group t))))))
6126 (defvar gnus-newsgroup-none-id 0)
6128 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6129 (let ((cur nntp-server-buffer)
6130 (dependencies
6131 (or dependencies
6132 (with-current-buffer gnus-summary-buffer
6133 gnus-newsgroup-dependencies)))
6134 headers id end ref number
6135 (mail-parse-charset gnus-newsgroup-charset)
6136 (mail-parse-ignored-charsets
6137 (save-excursion (condition-case nil
6138 (set-buffer gnus-summary-buffer)
6139 (error))
6140 gnus-newsgroup-ignored-charsets)))
6141 (save-excursion
6142 (set-buffer nntp-server-buffer)
6143 ;; Translate all TAB characters into SPACE characters.
6144 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6145 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6146 (ietf-drums-unfold-fws)
6147 (gnus-run-hooks 'gnus-parse-headers-hook)
6148 (let ((case-fold-search t)
6149 in-reply-to header p lines chars)
6150 (goto-char (point-min))
6151 ;; Search to the beginning of the next header. Error messages
6152 ;; do not begin with 2 or 3.
6153 (while (re-search-forward "^[23][0-9]+ " nil t)
6154 (setq id nil
6155 ref nil)
6156 ;; This implementation of this function, with nine
6157 ;; search-forwards instead of the one re-search-forward and
6158 ;; a case (which basically was the old function) is actually
6159 ;; about twice as fast, even though it looks messier. You
6160 ;; can't have everything, I guess. Speed and elegance
6161 ;; doesn't always go hand in hand.
6162 (setq
6163 header
6164 (vector
6165 ;; Number.
6166 (prog1
6167 (setq number (read cur))
6168 (end-of-line)
6169 (setq p (point))
6170 (narrow-to-region (point)
6171 (or (and (search-forward "\n.\n" nil t)
6172 (- (point) 2))
6173 (point))))
6174 ;; Subject.
6175 (progn
6176 (goto-char p)
6177 (if (search-forward "\nsubject:" nil t)
6178 (funcall gnus-decode-encoded-word-function
6179 (nnheader-header-value))
6180 "(none)"))
6181 ;; From.
6182 (progn
6183 (goto-char p)
6184 (if (search-forward "\nfrom:" nil t)
6185 (funcall gnus-decode-encoded-address-function
6186 (nnheader-header-value))
6187 "(nobody)"))
6188 ;; Date.
6189 (progn
6190 (goto-char p)
6191 (if (search-forward "\ndate:" nil t)
6192 (nnheader-header-value) ""))
6193 ;; Message-ID.
6194 (progn
6195 (goto-char p)
6196 (setq id (if (re-search-forward
6197 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6198 ;; We do it this way to make sure the Message-ID
6199 ;; is (somewhat) syntactically valid.
6200 (buffer-substring (match-beginning 1)
6201 (match-end 1))
6202 ;; If there was no message-id, we just fake one
6203 ;; to make subsequent routines simpler.
6204 (nnheader-generate-fake-message-id number))))
6205 ;; References.
6206 (progn
6207 (goto-char p)
6208 (if (search-forward "\nreferences:" nil t)
6209 (progn
6210 (setq end (point))
6211 (prog1
6212 (nnheader-header-value)
6213 (setq ref
6214 (buffer-substring
6215 (progn
6216 (end-of-line)
6217 (search-backward ">" end t)
6218 (1+ (point)))
6219 (progn
6220 (search-backward "<" end t)
6221 (point))))))
6222 ;; Get the references from the in-reply-to header if there
6223 ;; were no references and the in-reply-to header looks
6224 ;; promising.
6225 (if (and (search-forward "\nin-reply-to:" nil t)
6226 (setq in-reply-to (nnheader-header-value))
6227 (string-match "<[^>]+>" in-reply-to))
6228 (let (ref2)
6229 (setq ref (substring in-reply-to (match-beginning 0)
6230 (match-end 0)))
6231 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6232 (setq ref2 (substring in-reply-to (match-beginning 0)
6233 (match-end 0)))
6234 (when (> (length ref2) (length ref))
6235 (setq ref ref2)))
6236 ref)
6237 (setq ref nil))))
6238 ;; Chars.
6239 (progn
6240 (goto-char p)
6241 (if (search-forward "\nchars: " nil t)
6242 (if (numberp (setq chars (ignore-errors (read cur))))
6243 chars -1)
6244 -1))
6245 ;; Lines.
6246 (progn
6247 (goto-char p)
6248 (if (search-forward "\nlines: " nil t)
6249 (if (numberp (setq lines (ignore-errors (read cur))))
6250 lines -1)
6251 -1))
6252 ;; Xref.
6253 (progn
6254 (goto-char p)
6255 (and (search-forward "\nxref:" nil t)
6256 (nnheader-header-value)))
6257 ;; Extra.
6258 (when gnus-extra-headers
6259 (let ((extra gnus-extra-headers)
6260 out)
6261 (while extra
6262 (goto-char p)
6263 (when (search-forward
6264 (concat "\n" (symbol-name (car extra)) ":") nil t)
6265 (push (cons (car extra) (nnheader-header-value))
6266 out))
6267 (pop extra))
6268 out))))
6269 (when (equal id ref)
6270 (setq ref nil))
6272 (when gnus-alter-header-function
6273 (funcall gnus-alter-header-function header)
6274 (setq id (mail-header-id header)
6275 ref (gnus-parent-id (mail-header-references header))))
6277 (when (setq header
6278 (gnus-dependencies-add-header
6279 header dependencies force-new))
6280 (push header headers))
6281 (goto-char (point-max))
6282 (widen))
6283 (nreverse headers)))))
6285 ;; Goes through the xover lines and returns a list of vectors
6286 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6287 force-new dependencies
6288 group also-fetch-heads)
6289 "Parse the news overview data in the server buffer.
6290 Return a list of headers that match SEQUENCE (see
6291 `nntp-retrieve-headers')."
6292 ;; Get the Xref when the users reads the articles since most/some
6293 ;; NNTP servers do not include Xrefs when using XOVER.
6294 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6295 (let ((mail-parse-charset gnus-newsgroup-charset)
6296 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6297 (cur nntp-server-buffer)
6298 (dependencies (or dependencies gnus-newsgroup-dependencies))
6299 (allp (cond
6300 ((eq gnus-read-all-available-headers t)
6302 ((and (stringp gnus-read-all-available-headers)
6303 group)
6304 (string-match gnus-read-all-available-headers group))
6306 nil)))
6307 number headers header)
6308 (save-excursion
6309 (set-buffer nntp-server-buffer)
6310 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6311 ;; Allow the user to mangle the headers before parsing them.
6312 (gnus-run-hooks 'gnus-parse-headers-hook)
6313 (goto-char (point-min))
6314 (gnus-parse-without-error
6315 (while (and (or sequence allp)
6316 (not (eobp)))
6317 (setq number (read cur))
6318 (when (not allp)
6319 (while (and sequence
6320 (< (car sequence) number))
6321 (setq sequence (cdr sequence))))
6322 (when (and (or allp
6323 (and sequence
6324 (eq number (car sequence))))
6325 (progn
6326 (setq sequence (cdr sequence))
6327 (setq header (inline
6328 (gnus-nov-parse-line
6329 number dependencies force-new)))))
6330 (push header headers))
6331 (forward-line 1)))
6332 ;; A common bug in inn is that if you have posted an article and
6333 ;; then retrieves the active file, it will answer correctly --
6334 ;; the new article is included. However, a NOV entry for the
6335 ;; article may not have been generated yet, so this may fail.
6336 ;; We work around this problem by retrieving the last few
6337 ;; headers using HEAD.
6338 (if (or (not also-fetch-heads)
6339 (not sequence))
6340 ;; We (probably) got all the headers.
6341 (nreverse headers)
6342 (let ((gnus-nov-is-evil t))
6343 (nconc
6344 (nreverse headers)
6345 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6346 (gnus-get-newsgroup-headers))))))))
6348 (defun gnus-article-get-xrefs ()
6349 "Fill in the Xref value in `gnus-current-headers', if necessary.
6350 This is meant to be called in `gnus-article-internal-prepare-hook'."
6351 (let ((headers (with-current-buffer gnus-summary-buffer
6352 gnus-current-headers)))
6353 (or (not gnus-use-cross-reference)
6354 (not headers)
6355 (and (mail-header-xref headers)
6356 (not (string= (mail-header-xref headers) "")))
6357 (let ((case-fold-search t)
6358 xref)
6359 (save-restriction
6360 (nnheader-narrow-to-headers)
6361 (goto-char (point-min))
6362 (when (or (and (not (eobp))
6363 (eq (downcase (char-after)) ?x)
6364 (looking-at "Xref:"))
6365 (search-forward "\nXref:" nil t))
6366 (goto-char (1+ (match-end 0)))
6367 (setq xref (buffer-substring (point) (point-at-eol)))
6368 (mail-header-set-xref headers xref)))))))
6370 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6371 "Find article ID and insert the summary line for that article.
6372 OLD-HEADER can either be a header or a line number to insert
6373 the subject line on."
6374 (let* ((line (and (numberp old-header) old-header))
6375 (old-header (and (vectorp old-header) old-header))
6376 (header (cond ((and old-header use-old-header)
6377 old-header)
6378 ((and (numberp id)
6379 (gnus-number-to-header id))
6380 (gnus-number-to-header id))
6382 (gnus-read-header id))))
6383 (number (and (numberp id) id))
6385 (when header
6386 ;; Rebuild the thread that this article is part of and go to the
6387 ;; article we have fetched.
6388 (when (and (not gnus-show-threads)
6389 old-header)
6390 (when (and number
6391 (setq d (gnus-data-find (mail-header-number old-header))))
6392 (goto-char (gnus-data-pos d))
6393 (gnus-data-remove
6394 number
6395 (- (point-at-bol)
6396 (prog1
6397 (1+ (point-at-eol))
6398 (gnus-delete-line))))))
6399 ;; Remove list identifiers from subject.
6400 (when gnus-list-identifiers
6401 (let ((gnus-newsgroup-headers (list header)))
6402 (gnus-summary-remove-list-identifiers)))
6403 (when old-header
6404 (mail-header-set-number header (mail-header-number old-header)))
6405 (setq gnus-newsgroup-sparse
6406 (delq (setq number (mail-header-number header))
6407 gnus-newsgroup-sparse))
6408 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6409 (push number gnus-newsgroup-limit)
6410 (gnus-rebuild-thread (mail-header-id header) line)
6411 (gnus-summary-goto-subject number nil t))
6412 (when (and (numberp number)
6413 (> number 0))
6414 ;; We have to update the boundaries even if we can't fetch the
6415 ;; article if ID is a number -- so that the next `P' or `N'
6416 ;; command will fetch the previous (or next) article even
6417 ;; if the one we tried to fetch this time has been canceled.
6418 (when (> number gnus-newsgroup-end)
6419 (setq gnus-newsgroup-end number))
6420 (when (< number gnus-newsgroup-begin)
6421 (setq gnus-newsgroup-begin number))
6422 (setq gnus-newsgroup-unselected
6423 (delq number gnus-newsgroup-unselected)))
6424 ;; Report back a success?
6425 (and header (mail-header-number header))))
6427 ;;; Process/prefix in the summary buffer
6429 (defun gnus-summary-work-articles (n)
6430 "Return a list of articles to be worked upon.
6431 The prefix argument, the list of process marked articles, and the
6432 current article will be taken into consideration."
6433 (save-excursion
6434 (set-buffer gnus-summary-buffer)
6435 (cond
6437 ;; A numerical prefix has been given.
6438 (setq n (prefix-numeric-value n))
6439 (let ((backward (< n 0))
6440 (n (abs (prefix-numeric-value n)))
6441 articles article)
6442 (save-excursion
6443 (while
6444 (and (> n 0)
6445 (push (setq article (gnus-summary-article-number))
6446 articles)
6447 (if backward
6448 (gnus-summary-find-prev nil article)
6449 (gnus-summary-find-next nil article)))
6450 (decf n)))
6451 (nreverse articles)))
6452 ((and (gnus-region-active-p) (mark))
6453 (message "region active")
6454 ;; Work on the region between point and mark.
6455 (let ((max (max (point) (mark)))
6456 articles article)
6457 (save-excursion
6458 (goto-char (min (point) (mark)))
6459 (while
6460 (and
6461 (push (setq article (gnus-summary-article-number)) articles)
6462 (gnus-summary-find-next nil article)
6463 (< (point) max)))
6464 (nreverse articles))))
6465 (gnus-newsgroup-processable
6466 ;; There are process-marked articles present.
6467 ;; Save current state.
6468 (gnus-summary-save-process-mark)
6469 ;; Return the list.
6470 (reverse gnus-newsgroup-processable))
6472 ;; Just return the current article.
6473 (list (gnus-summary-article-number))))))
6475 (defmacro gnus-summary-iterate (arg &rest forms)
6476 "Iterate over the process/prefixed articles and do FORMS.
6477 ARG is the interactive prefix given to the command. FORMS will be
6478 executed with point over the summary line of the articles."
6479 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6480 `(let ((,articles (gnus-summary-work-articles ,arg)))
6481 (while ,articles
6482 (gnus-summary-goto-subject (car ,articles))
6483 ,@forms
6484 (pop ,articles)))))
6486 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6487 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6489 (defun gnus-summary-save-process-mark ()
6490 "Push the current set of process marked articles on the stack."
6491 (interactive)
6492 (push (copy-sequence gnus-newsgroup-processable)
6493 gnus-newsgroup-process-stack))
6495 (defun gnus-summary-kill-process-mark ()
6496 "Push the current set of process marked articles on the stack and unmark."
6497 (interactive)
6498 (gnus-summary-save-process-mark)
6499 (gnus-summary-unmark-all-processable))
6501 (defun gnus-summary-yank-process-mark ()
6502 "Pop the last process mark state off the stack and restore it."
6503 (interactive)
6504 (unless gnus-newsgroup-process-stack
6505 (error "Empty mark stack"))
6506 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6508 (defun gnus-summary-process-mark-set (set)
6509 "Make SET into the current process marked articles."
6510 (gnus-summary-unmark-all-processable)
6511 (mapc 'gnus-summary-set-process-mark set))
6513 ;;; Searching and stuff
6515 (defun gnus-summary-search-group (&optional backward use-level)
6516 "Search for next unread newsgroup.
6517 If optional argument BACKWARD is non-nil, search backward instead."
6518 (save-excursion
6519 (set-buffer gnus-group-buffer)
6520 (when (gnus-group-search-forward
6521 backward nil (if use-level (gnus-group-group-level) nil))
6522 (gnus-group-group-name))))
6524 (defun gnus-summary-best-group (&optional exclude-group)
6525 "Find the name of the best unread group.
6526 If EXCLUDE-GROUP, do not go to this group."
6527 (with-current-buffer gnus-group-buffer
6528 (save-excursion
6529 (gnus-group-best-unread-group exclude-group))))
6531 (defun gnus-summary-find-next (&optional unread article backward)
6532 (if backward
6533 (gnus-summary-find-prev unread article)
6534 (let* ((dummy (gnus-summary-article-intangible-p))
6535 (article (or article (gnus-summary-article-number)))
6536 (data (gnus-data-find-list article))
6537 result)
6538 (when (and (not dummy)
6539 (or (not gnus-summary-check-current)
6540 (not unread)
6541 (not (gnus-data-unread-p (car data)))))
6542 (setq data (cdr data)))
6543 (when (setq result
6544 (if unread
6545 (progn
6546 (while data
6547 (unless (memq (gnus-data-number (car data))
6548 (cond
6549 ((eq gnus-auto-goto-ignores
6550 'always-undownloaded)
6551 gnus-newsgroup-undownloaded)
6552 (gnus-plugged
6553 nil)
6554 ((eq gnus-auto-goto-ignores
6555 'unfetched)
6556 gnus-newsgroup-unfetched)
6557 ((eq gnus-auto-goto-ignores
6558 'undownloaded)
6559 gnus-newsgroup-undownloaded)))
6560 (when (gnus-data-unread-p (car data))
6561 (setq result (car data)
6562 data nil)))
6563 (setq data (cdr data)))
6564 result)
6565 (car data)))
6566 (goto-char (gnus-data-pos result))
6567 (gnus-data-number result)))))
6569 (defun gnus-summary-find-prev (&optional unread article)
6570 (let* ((eobp (eobp))
6571 (article (or article (gnus-summary-article-number)))
6572 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6573 result)
6574 (when (and (not eobp)
6575 (or (not gnus-summary-check-current)
6576 (not unread)
6577 (not (gnus-data-unread-p (car data)))))
6578 (setq data (cdr data)))
6579 (when (setq result
6580 (if unread
6581 (progn
6582 (while data
6583 (unless (memq (gnus-data-number (car data))
6584 (cond
6585 ((eq gnus-auto-goto-ignores
6586 'always-undownloaded)
6587 gnus-newsgroup-undownloaded)
6588 (gnus-plugged
6589 nil)
6590 ((eq gnus-auto-goto-ignores
6591 'unfetched)
6592 gnus-newsgroup-unfetched)
6593 ((eq gnus-auto-goto-ignores
6594 'undownloaded)
6595 gnus-newsgroup-undownloaded)))
6596 (when (gnus-data-unread-p (car data))
6597 (setq result (car data)
6598 data nil)))
6599 (setq data (cdr data)))
6600 result)
6601 (car data)))
6602 (goto-char (gnus-data-pos result))
6603 (gnus-data-number result))))
6605 (defun gnus-summary-find-subject (subject &optional unread backward article)
6606 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6607 (article (or article (gnus-summary-article-number)))
6608 (articles (gnus-data-list backward))
6609 (arts (gnus-data-find-list article articles))
6610 result)
6611 (when (or (not gnus-summary-check-current)
6612 (not unread)
6613 (not (gnus-data-unread-p (car arts))))
6614 (setq arts (cdr arts)))
6615 (while arts
6616 (and (or (not unread)
6617 (gnus-data-unread-p (car arts)))
6618 (vectorp (gnus-data-header (car arts)))
6619 (gnus-subject-equal
6620 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6621 (setq result (car arts)
6622 arts nil))
6623 (setq arts (cdr arts)))
6624 (and result
6625 (goto-char (gnus-data-pos result))
6626 (gnus-data-number result))))
6628 (defun gnus-summary-search-forward (&optional unread subject backward)
6629 "Search forward for an article.
6630 If UNREAD, look for unread articles. If SUBJECT, look for
6631 articles with that subject. If BACKWARD, search backward instead."
6632 (cond (subject (gnus-summary-find-subject subject unread backward))
6633 (backward (gnus-summary-find-prev unread))
6634 (t (gnus-summary-find-next unread))))
6636 (defun gnus-recenter (&optional n)
6637 "Center point in window and redisplay frame.
6638 Also do horizontal recentering."
6639 (interactive "P")
6640 (when (and gnus-auto-center-summary
6641 (not (eq gnus-auto-center-summary 'vertical)))
6642 (gnus-horizontal-recenter))
6643 (recenter n))
6645 (defun gnus-summary-recenter ()
6646 "Center point in the summary window.
6647 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6648 displayed, no centering will be performed."
6649 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6650 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6651 (interactive)
6652 ;; The user has to want it.
6653 (when gnus-auto-center-summary
6654 (let* ((top (cond ((< (window-height) 4) 0)
6655 ((< (window-height) 7) 1)
6656 (t (if (numberp gnus-auto-center-summary)
6657 gnus-auto-center-summary
6658 (/ (1- (window-height)) 2)))))
6659 (height (1- (window-height)))
6660 (bottom (save-excursion (goto-char (point-max))
6661 (forward-line (- height))
6662 (point)))
6663 (window (get-buffer-window (current-buffer))))
6664 (when (get-buffer-window gnus-article-buffer)
6665 ;; Only do recentering when the article buffer is displayed,
6666 ;; Set the window start to either `bottom', which is the biggest
6667 ;; possible valid number, or the second line from the top,
6668 ;; whichever is the least.
6669 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6670 (if (> bottom top-pos)
6671 ;; Keep the second line from the top visible
6672 (set-window-start window top-pos)
6673 ;; Try to keep the bottom line visible; if it's partially
6674 ;; obscured, either scroll one more line to make it fully
6675 ;; visible, or revert to using TOP-POS.
6676 (save-excursion
6677 (goto-char (point-max))
6678 (forward-line -1)
6679 (let ((last-line-start (point)))
6680 (goto-char bottom)
6681 (set-window-start window (point) t)
6682 (when (not (pos-visible-in-window-p last-line-start window))
6683 (forward-line 1)
6684 (set-window-start window (min (point) top-pos) t)))))))
6685 ;; Do horizontal recentering while we're at it.
6686 (when (and (get-buffer-window (current-buffer) t)
6687 (not (eq gnus-auto-center-summary 'vertical)))
6688 (let ((selected (selected-window)))
6689 (select-window (get-buffer-window (current-buffer) t))
6690 (gnus-summary-position-point)
6691 (gnus-horizontal-recenter)
6692 (select-window selected))))))
6694 (defun gnus-summary-jump-to-group (newsgroup)
6695 "Move point to NEWSGROUP in group mode buffer."
6696 ;; Keep update point of group mode buffer if visible.
6697 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6698 (save-window-excursion
6699 ;; Take care of tree window mode.
6700 (when (get-buffer-window gnus-group-buffer)
6701 (pop-to-buffer gnus-group-buffer))
6702 (gnus-group-jump-to-group newsgroup))
6703 (save-excursion
6704 ;; Take care of tree window mode.
6705 (if (get-buffer-window gnus-group-buffer)
6706 (pop-to-buffer gnus-group-buffer)
6707 (set-buffer gnus-group-buffer))
6708 (gnus-group-jump-to-group newsgroup))))
6710 ;; This function returns a list of article numbers based on the
6711 ;; difference between the ranges of read articles in this group and
6712 ;; the range of active articles.
6713 (defun gnus-list-of-unread-articles (group)
6714 (let* ((read (gnus-info-read (gnus-get-info group)))
6715 (active (or (gnus-active group) (gnus-activate-group group)))
6716 (last (or (cdr active)
6717 (error "Group %s couldn't be activated " group)))
6718 (bottom (if gnus-newsgroup-maximum-articles
6719 (max (car active)
6720 (- last gnus-newsgroup-maximum-articles -1))
6721 (car active)))
6722 first nlast unread)
6723 ;; If none are read, then all are unread.
6724 (if (not read)
6725 (setq first bottom)
6726 ;; If the range of read articles is a single range, then the
6727 ;; first unread article is the article after the last read
6728 ;; article. Sounds logical, doesn't it?
6729 (if (and (not (listp (cdr read)))
6730 (or (< (car read) bottom)
6731 (progn (setq read (list read))
6732 nil)))
6733 (setq first (max bottom (1+ (cdr read))))
6734 ;; `read' is a list of ranges.
6735 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6736 (caar read)))
6738 (setq first bottom))
6739 (while read
6740 (when first
6741 (while (< first nlast)
6742 (setq unread (cons first unread)
6743 first (1+ first))))
6744 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6745 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6746 (setq read (cdr read)))))
6747 ;; And add the last unread articles.
6748 (while (<= first last)
6749 (setq unread (cons first unread)
6750 first (1+ first)))
6751 ;; Return the list of unread articles.
6752 (delq 0 (nreverse unread))))
6754 (defun gnus-list-of-read-articles (group)
6755 "Return a list of unread, unticked and non-dormant articles."
6756 (let* ((info (gnus-get-info group))
6757 (marked (gnus-info-marks info))
6758 (active (gnus-active group)))
6759 (and info active
6760 (gnus-list-range-difference
6761 (gnus-list-range-difference
6762 (gnus-sorted-complement
6763 (gnus-uncompress-range
6764 (if gnus-newsgroup-maximum-articles
6765 (cons (max (car active)
6766 (- (cdr active)
6767 gnus-newsgroup-maximum-articles
6768 -1))
6769 (cdr active))
6770 active))
6771 (gnus-list-of-unread-articles group))
6772 (cdr (assq 'dormant marked)))
6773 (cdr (assq 'tick marked))))))
6775 ;; This function returns a sequence of article numbers based on the
6776 ;; difference between the ranges of read articles in this group and
6777 ;; the range of active articles.
6778 (defun gnus-sequence-of-unread-articles (group)
6779 (let* ((read (gnus-info-read (gnus-get-info group)))
6780 (active (or (gnus-active group) (gnus-activate-group group)))
6781 (last (cdr active))
6782 (bottom (if gnus-newsgroup-maximum-articles
6783 (max (car active)
6784 (- last gnus-newsgroup-maximum-articles -1))
6785 (car active)))
6786 first nlast unread)
6787 ;; If none are read, then all are unread.
6788 (if (not read)
6789 (setq first bottom)
6790 ;; If the range of read articles is a single range, then the
6791 ;; first unread article is the article after the last read
6792 ;; article. Sounds logical, doesn't it?
6793 (if (and (not (listp (cdr read)))
6794 (or (< (car read) bottom)
6795 (progn (setq read (list read))
6796 nil)))
6797 (setq first (max bottom (1+ (cdr read))))
6798 ;; `read' is a list of ranges.
6799 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6800 (caar read)))
6802 (setq first bottom))
6803 (while read
6804 (when first
6805 (push (cons first nlast) unread))
6806 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6807 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6808 (setq read (cdr read)))))
6809 ;; And add the last unread articles.
6810 (cond ((not (and first last))
6811 nil)
6812 ((< first last)
6813 (push (cons first last) unread))
6814 ((= first last)
6815 (push first unread)))
6816 ;; Return the sequence of unread articles.
6817 (delq 0 (nreverse unread))))
6819 ;; Various summary commands
6821 (defun gnus-summary-select-article-buffer ()
6822 "Reconfigure windows to show article buffer."
6823 (interactive)
6824 (if (not (gnus-buffer-live-p gnus-article-buffer))
6825 (error "There is no article buffer for this summary buffer")
6826 (gnus-configure-windows 'article)
6827 (select-window (get-buffer-window gnus-article-buffer))))
6829 (defun gnus-summary-universal-argument (arg)
6830 "Perform any operation on all articles that are process/prefixed."
6831 (interactive "P")
6832 (let ((articles (gnus-summary-work-articles arg))
6833 func article)
6834 (if (eq
6835 (setq
6836 func
6837 (key-binding
6838 (read-key-sequence
6839 (substitute-command-keys
6840 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6841 'undefined)
6842 (gnus-error 1 "Undefined key")
6843 (save-excursion
6844 (while articles
6845 (gnus-summary-goto-subject (setq article (pop articles)))
6846 (let (gnus-newsgroup-processable)
6847 (command-execute func))
6848 (gnus-summary-remove-process-mark article)))))
6849 (gnus-summary-position-point))
6851 (defun gnus-summary-toggle-truncation (&optional arg)
6852 "Toggle truncation of summary lines.
6853 With ARG, turn line truncation on if ARG is positive."
6854 (interactive "P")
6855 (setq truncate-lines
6856 (if (null arg) (not truncate-lines)
6857 (> (prefix-numeric-value arg) 0)))
6858 (redraw-display))
6860 (defun gnus-summary-find-for-reselect ()
6861 "Return the number of an article to stay on across a reselect.
6862 The current article is considered, then following articles, then previous
6863 articles. An article is sought which is not cancelled and isn't a temporary
6864 insertion from another group. If there's no such then return a dummy 0."
6865 (let (found)
6866 (dolist (rev '(nil t))
6867 (unless found ; don't demand the reverse list if we don't need it
6868 (let ((data (gnus-data-find-list
6869 (gnus-summary-article-number) (gnus-data-list rev))))
6870 (while (and data (not found))
6871 (if (and (< 0 (gnus-data-number (car data)))
6872 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6873 (setq found (gnus-data-number (car data))))
6874 (setq data (cdr data))))))
6875 (or found 0)))
6877 (defun gnus-summary-reselect-current-group (&optional all rescan)
6878 "Exit and then reselect the current newsgroup.
6879 The prefix argument ALL means to select all articles."
6880 (interactive "P")
6881 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6882 (error "Ephemeral groups can't be reselected"))
6883 (let ((current-subject (gnus-summary-find-for-reselect))
6884 (group gnus-newsgroup-name))
6885 (setq gnus-newsgroup-begin nil)
6886 (gnus-summary-exit nil 'leave-hidden)
6887 ;; We have to adjust the point of group mode buffer because
6888 ;; point was moved to the next unread newsgroup by exiting.
6889 (gnus-summary-jump-to-group group)
6890 (when rescan
6891 (save-excursion
6892 (gnus-group-get-new-news-this-group 1)))
6893 (gnus-group-read-group all t)
6894 (gnus-summary-goto-subject current-subject nil t)))
6896 (defun gnus-summary-rescan-group (&optional all)
6897 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6898 (interactive "P")
6899 (gnus-summary-reselect-current-group all t))
6901 (defun gnus-summary-update-info (&optional non-destructive)
6902 (save-excursion
6903 (let ((group gnus-newsgroup-name))
6904 (when group
6905 (when gnus-newsgroup-kill-headers
6906 (setq gnus-newsgroup-killed
6907 (gnus-compress-sequence
6908 (gnus-sorted-union
6909 (gnus-list-range-intersection
6910 gnus-newsgroup-unselected gnus-newsgroup-killed)
6911 gnus-newsgroup-unreads)
6912 t)))
6913 (unless (listp (cdr gnus-newsgroup-killed))
6914 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6915 (let ((headers gnus-newsgroup-headers))
6916 ;; Set the new ranges of read articles.
6917 (with-current-buffer gnus-group-buffer
6918 (gnus-undo-force-boundary))
6919 (gnus-update-read-articles
6920 group (gnus-sorted-union
6921 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6922 ;; Set the current article marks.
6923 (let ((gnus-newsgroup-scored
6924 (if (and (not gnus-save-score)
6925 (not non-destructive))
6927 gnus-newsgroup-scored)))
6928 (save-excursion
6929 (gnus-update-marks)))
6930 ;; Do the cross-ref thing.
6931 (when gnus-use-cross-reference
6932 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6933 ;; Do not switch windows but change the buffer to work.
6934 (set-buffer gnus-group-buffer)
6935 (unless (gnus-ephemeral-group-p group)
6936 (gnus-group-update-group group)))))))
6938 (defun gnus-summary-save-newsrc (&optional force)
6939 "Save the current number of read/marked articles in the dribble buffer.
6940 The dribble buffer will then be saved.
6941 If FORCE (the prefix), also save the .newsrc file(s)."
6942 (interactive "P")
6943 (gnus-summary-update-info t)
6944 (if force
6945 (gnus-save-newsrc-file)
6946 (gnus-dribble-save)))
6948 (defun gnus-summary-exit (&optional temporary leave-hidden)
6949 "Exit reading current newsgroup, and then return to group selection mode.
6950 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6951 (interactive)
6952 (gnus-set-global-variables)
6953 (when (gnus-buffer-live-p gnus-article-buffer)
6954 (save-excursion
6955 (set-buffer gnus-article-buffer)
6956 (mm-destroy-parts gnus-article-mime-handles)
6957 ;; Set it to nil for safety reason.
6958 (setq gnus-article-mime-handle-alist nil)
6959 (setq gnus-article-mime-handles nil)))
6960 (gnus-kill-save-kill-buffer)
6961 (gnus-async-halt-prefetch)
6962 (let* ((group gnus-newsgroup-name)
6963 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6964 (gnus-group-is-exiting-p t)
6965 (mode major-mode)
6966 (group-point nil)
6967 (buf (current-buffer)))
6968 (unless quit-config
6969 ;; Do adaptive scoring, and possibly save score files.
6970 (when gnus-newsgroup-adaptive
6971 (gnus-score-adaptive))
6972 (when gnus-use-scoring
6973 (gnus-score-save)))
6974 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6975 ;; If we have several article buffers, we kill them at exit.
6976 (unless gnus-single-article-buffer
6977 (when (gnus-buffer-live-p gnus-article-buffer)
6978 (with-current-buffer gnus-article-buffer
6979 ;; Don't kill sticky article buffers
6980 (unless (eq major-mode 'gnus-sticky-article-mode)
6981 (gnus-kill-buffer gnus-article-buffer)
6982 (setq gnus-article-current nil))))
6983 (gnus-kill-buffer gnus-original-article-buffer))
6984 (when gnus-use-cache
6985 (gnus-cache-possibly-remove-articles)
6986 (gnus-cache-save-buffers))
6987 (gnus-async-prefetch-remove-group group)
6988 (when gnus-suppress-duplicates
6989 (gnus-dup-enter-articles))
6990 (when gnus-use-trees
6991 (gnus-tree-close group))
6992 (when gnus-use-cache
6993 (gnus-cache-write-active))
6994 ;; Remove entries for this group.
6995 (nnmail-purge-split-history (gnus-group-real-name group))
6996 ;; Make all changes in this group permanent.
6997 (unless quit-config
6998 (gnus-run-hooks 'gnus-exit-group-hook)
6999 (gnus-summary-update-info))
7000 (gnus-close-group group)
7001 ;; Make sure where we were, and go to next newsgroup.
7002 (set-buffer gnus-group-buffer)
7003 (unless quit-config
7004 (gnus-group-jump-to-group group))
7005 (gnus-run-hooks 'gnus-summary-exit-hook)
7006 (unless (or quit-config
7007 (not gnus-summary-next-group-on-exit)
7008 ;; If this group has disappeared from the summary
7009 ;; buffer, don't skip forwards.
7010 (not (string= group (gnus-group-group-name))))
7011 (gnus-group-next-unread-group 1))
7012 (setq group-point (point))
7013 (if temporary
7014 nil ;Nothing to do.
7015 (set-buffer buf)
7016 (if (not gnus-kill-summary-on-exit)
7017 (progn
7018 (gnus-deaden-summary)
7019 (setq mode nil))
7020 ;; We set all buffer-local variables to nil. It is unclear why
7021 ;; this is needed, but if we don't, buffer-local variables are
7022 ;; not garbage-collected, it seems. This would the lead to en
7023 ;; ever-growing Emacs.
7024 (gnus-summary-clear-local-variables)
7025 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7026 (gnus-summary-clear-local-variables))
7027 (when (get-buffer gnus-article-buffer)
7028 (bury-buffer gnus-article-buffer))
7029 ;; Return to group mode buffer.
7030 (when (eq mode 'gnus-summary-mode)
7031 (gnus-kill-buffer buf)))
7032 (setq gnus-current-select-method gnus-select-method)
7033 (set-buffer gnus-group-buffer)
7034 (if quit-config
7035 (gnus-handle-ephemeral-exit quit-config)
7036 (goto-char group-point)
7037 ;; If gnus-group-buffer is already displayed, make sure we also move
7038 ;; the cursor in the window that displays it.
7039 (let ((win (get-buffer-window (current-buffer) 0)))
7040 (if win (set-window-point win (point))))
7041 (unless leave-hidden
7042 (gnus-configure-windows 'group 'force)))
7043 ;; Clear the current group name.
7044 (unless quit-config
7045 (setq gnus-newsgroup-name nil)))))
7047 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7048 (defun gnus-summary-exit-no-update (&optional no-questions)
7049 "Quit reading current newsgroup without updating read article info."
7050 (interactive)
7051 (let* ((group gnus-newsgroup-name)
7052 (gnus-group-is-exiting-p t)
7053 (gnus-group-is-exiting-without-update-p t)
7054 (quit-config (gnus-group-quit-config group)))
7055 (when (or no-questions
7056 gnus-expert-user
7057 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7058 (gnus-async-halt-prefetch)
7059 (run-hooks 'gnus-summary-prepare-exit-hook)
7060 (when (gnus-buffer-live-p gnus-article-buffer)
7061 (save-excursion
7062 (set-buffer gnus-article-buffer)
7063 (mm-destroy-parts gnus-article-mime-handles)
7064 ;; Set it to nil for safety reason.
7065 (setq gnus-article-mime-handle-alist nil)
7066 (setq gnus-article-mime-handles nil)))
7067 ;; If we have several article buffers, we kill them at exit.
7068 (unless gnus-single-article-buffer
7069 (gnus-kill-buffer gnus-article-buffer)
7070 (gnus-kill-buffer gnus-original-article-buffer)
7071 (setq gnus-article-current nil))
7072 (if (not gnus-kill-summary-on-exit)
7073 (gnus-deaden-summary)
7074 (gnus-close-group group)
7075 (gnus-summary-clear-local-variables)
7076 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7077 (gnus-summary-clear-local-variables))
7078 (gnus-kill-buffer gnus-summary-buffer))
7079 (unless gnus-single-article-buffer
7080 (setq gnus-article-current nil))
7081 (when gnus-use-trees
7082 (gnus-tree-close group))
7083 (gnus-async-prefetch-remove-group group)
7084 (when (get-buffer gnus-article-buffer)
7085 (bury-buffer gnus-article-buffer))
7086 ;; Return to the group buffer.
7087 (gnus-configure-windows 'group 'force)
7088 ;; Clear the current group name.
7089 (setq gnus-newsgroup-name nil)
7090 (unless (gnus-ephemeral-group-p group)
7091 (gnus-group-update-group group))
7092 (when (equal (gnus-group-group-name) group)
7093 (gnus-group-next-unread-group 1))
7094 (when quit-config
7095 (gnus-handle-ephemeral-exit quit-config)))))
7097 (defun gnus-handle-ephemeral-exit (quit-config)
7098 "Handle movement when leaving an ephemeral group.
7099 The state which existed when entering the ephemeral is reset."
7100 (if (not (buffer-name (car quit-config)))
7101 (gnus-configure-windows 'group 'force)
7102 (set-buffer (car quit-config))
7103 (cond ((eq major-mode 'gnus-summary-mode)
7104 (gnus-set-global-variables))
7105 ((eq major-mode 'gnus-article-mode)
7106 (save-excursion
7107 ;; The `gnus-summary-buffer' variable may point
7108 ;; to the old summary buffer when using a single
7109 ;; article buffer.
7110 (unless (gnus-buffer-live-p gnus-summary-buffer)
7111 (set-buffer gnus-group-buffer))
7112 (set-buffer gnus-summary-buffer)
7113 (gnus-set-global-variables))))
7114 (if (or (eq (cdr quit-config) 'article)
7115 (eq (cdr quit-config) 'pick))
7116 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7117 (gnus-configure-windows 'pick 'force)
7118 (gnus-configure-windows (cdr quit-config) 'force))
7119 (gnus-configure-windows (cdr quit-config) 'force))
7120 (when (eq major-mode 'gnus-summary-mode)
7121 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7122 next-unread-noselect))
7123 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7124 'next-noselect)
7125 (gnus-summary-next-subject 1 nil t))
7126 ((eq gnus-auto-select-on-ephemeral-exit
7127 'next-unread-noselect)
7128 (gnus-summary-next-subject 1 t t))))
7129 ;; Hide the article buffer which displays the article different
7130 ;; from the one that the cursor points to in the summary buffer.
7131 (gnus-configure-windows 'summary 'force))
7132 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7133 (gnus-summary-next-subject 1))
7134 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7135 (gnus-summary-next-subject 1 t))))
7136 (gnus-summary-recenter)
7137 (gnus-summary-position-point))))
7139 ;;; Dead summaries.
7141 (defvar gnus-dead-summary-mode-map nil)
7143 (unless gnus-dead-summary-mode-map
7144 (setq gnus-dead-summary-mode-map (make-keymap))
7145 (suppress-keymap gnus-dead-summary-mode-map)
7146 (substitute-key-definition
7147 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
7148 (dolist (key '("\C-d" "\r" "\177" [delete]))
7149 (define-key gnus-dead-summary-mode-map
7150 key 'gnus-summary-wake-up-the-dead))
7151 (dolist (key '("q" "Q"))
7152 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
7154 (defvar gnus-dead-summary-mode nil
7155 "Minor mode for Gnus summary buffers.")
7157 (defun gnus-dead-summary-mode (&optional arg)
7158 "Minor mode for Gnus summary buffers."
7159 (interactive "P")
7160 (when (eq major-mode 'gnus-summary-mode)
7161 (make-local-variable 'gnus-dead-summary-mode)
7162 (setq gnus-dead-summary-mode
7163 (if (null arg) (not gnus-dead-summary-mode)
7164 (> (prefix-numeric-value arg) 0)))
7165 (when gnus-dead-summary-mode
7166 (add-minor-mode
7167 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
7169 (defun gnus-deaden-summary ()
7170 "Make the current summary buffer into a dead summary buffer."
7171 ;; Kill any previous dead summary buffer.
7172 (when (and gnus-dead-summary
7173 (buffer-name gnus-dead-summary))
7174 (with-current-buffer gnus-dead-summary
7175 (when gnus-dead-summary-mode
7176 (kill-buffer (current-buffer)))))
7177 ;; Make this the current dead summary.
7178 (setq gnus-dead-summary (current-buffer))
7179 (gnus-dead-summary-mode 1)
7180 (let ((name (buffer-name)))
7181 (when (string-match "Summary" name)
7182 (rename-buffer
7183 (concat (substring name 0 (match-beginning 0)) "Dead "
7184 (substring name (match-beginning 0)))
7186 (bury-buffer))))
7188 (defun gnus-kill-or-deaden-summary (buffer)
7189 "Kill or deaden the summary BUFFER."
7190 (save-excursion
7191 (when (and (buffer-name buffer)
7192 (not gnus-single-article-buffer))
7193 (with-current-buffer buffer
7194 (gnus-kill-buffer gnus-article-buffer)
7195 (gnus-kill-buffer gnus-original-article-buffer)))
7196 (cond
7197 ;; Kill the buffer.
7198 (gnus-kill-summary-on-exit
7199 (when (and gnus-use-trees
7200 (gnus-buffer-exists-p buffer))
7201 (save-excursion
7202 (set-buffer buffer)
7203 (gnus-tree-close gnus-newsgroup-name)))
7204 (gnus-kill-buffer buffer))
7205 ;; Deaden the buffer.
7206 ((gnus-buffer-exists-p buffer)
7207 (save-excursion
7208 (set-buffer buffer)
7209 (gnus-deaden-summary))))))
7211 (defun gnus-summary-wake-up-the-dead (&rest args)
7212 "Wake up the dead summary buffer."
7213 (interactive)
7214 (gnus-dead-summary-mode -1)
7215 (let ((name (buffer-name)))
7216 (when (string-match "Dead " name)
7217 (rename-buffer
7218 (concat (substring name 0 (match-beginning 0))
7219 (substring name (match-end 0)))
7220 t)))
7221 (gnus-message 3 "This dead summary is now alive again"))
7223 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7224 (defun gnus-summary-fetch-faq (&optional faq-dir)
7225 "Fetch the FAQ for the current group.
7226 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7227 in."
7228 (interactive
7229 (list
7230 (when current-prefix-arg
7231 (completing-read
7232 "FAQ dir: " (and (listp gnus-group-faq-directory)
7233 (mapcar 'list
7234 gnus-group-faq-directory))))))
7235 (let (gnus-faq-buffer)
7236 (when (setq gnus-faq-buffer
7237 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7238 (gnus-configure-windows 'summary-faq))))
7240 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7241 (defun gnus-summary-describe-group (&optional force)
7242 "Describe the current newsgroup."
7243 (interactive "P")
7244 (gnus-group-describe-group force gnus-newsgroup-name))
7246 (defun gnus-summary-describe-briefly ()
7247 "Describe summary mode commands briefly."
7248 (interactive)
7249 (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")))
7251 ;; Walking around group mode buffer from summary mode.
7253 (defun gnus-summary-next-group (&optional no-article target-group backward)
7254 "Exit current newsgroup and then select next unread newsgroup.
7255 If prefix argument NO-ARTICLE is non-nil, no article is selected
7256 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7257 previous group instead."
7258 (interactive "P")
7259 ;; Stop pre-fetching.
7260 (gnus-async-halt-prefetch)
7261 (let ((current-group gnus-newsgroup-name)
7262 (current-buffer (current-buffer))
7263 entered)
7264 ;; First we semi-exit this group to update Xrefs and all variables.
7265 ;; We can't do a real exit, because the window conf must remain
7266 ;; the same in case the user is prompted for info, and we don't
7267 ;; want the window conf to change before that...
7268 (gnus-summary-exit t)
7269 (while (not entered)
7270 ;; Then we find what group we are supposed to enter.
7271 (set-buffer gnus-group-buffer)
7272 (gnus-group-jump-to-group current-group)
7273 (setq target-group
7274 (or target-group
7275 (if (eq gnus-keep-same-level 'best)
7276 (gnus-summary-best-group gnus-newsgroup-name)
7277 (gnus-summary-search-group backward gnus-keep-same-level))))
7278 (if (not target-group)
7279 ;; There are no further groups, so we return to the group
7280 ;; buffer.
7281 (progn
7282 (gnus-message 5 "Returning to the group buffer")
7283 (setq entered t)
7284 (when (gnus-buffer-live-p current-buffer)
7285 (set-buffer current-buffer)
7286 (gnus-summary-exit))
7287 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7288 ;; We try to enter the target group.
7289 (gnus-group-jump-to-group target-group)
7290 (let ((unreads (gnus-group-group-unread)))
7291 (if (and (or (eq t unreads)
7292 (and unreads (not (zerop unreads))))
7293 (gnus-summary-read-group
7294 target-group nil no-article
7295 (and (buffer-name current-buffer) current-buffer)
7296 nil backward))
7297 (setq entered t)
7298 (setq current-group target-group
7299 target-group nil)))))))
7301 (defun gnus-summary-prev-group (&optional no-article)
7302 "Exit current newsgroup and then select previous unread newsgroup.
7303 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7304 (interactive "P")
7305 (gnus-summary-next-group no-article nil t))
7307 ;; Walking around summary lines.
7309 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7310 "Go to the first subject satisfying any non-nil constraint.
7311 If UNREAD is non-nil, the article should be unread.
7312 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7313 If UNSEEN is non-nil, the article should be unseen.
7314 Returns the article selected or nil if there are no matching articles."
7315 (interactive "P")
7316 (cond
7317 ;; Empty summary.
7318 ((null gnus-newsgroup-data)
7319 (gnus-message 3 "No articles in the group")
7320 nil)
7321 ;; Pick the first article.
7322 ((not (or unread undownloaded unseen))
7323 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7324 (gnus-data-number (car gnus-newsgroup-data)))
7325 ;; Find the first unread article.
7327 (let ((data gnus-newsgroup-data))
7328 (while (and data
7329 (let ((num (gnus-data-number (car data))))
7330 (or (memq num gnus-newsgroup-unfetched)
7331 (not (or (and unread
7332 (memq num gnus-newsgroup-unreads))
7333 (and undownloaded
7334 (memq num gnus-newsgroup-undownloaded))
7335 (and unseen
7336 (memq num gnus-newsgroup-unseen)))))))
7337 (setq data (cdr data)))
7338 (prog1
7339 (if data
7340 (progn
7341 (goto-char (gnus-data-pos (car data)))
7342 (gnus-data-number (car data)))
7343 (gnus-message 3 "No more%s articles"
7344 (let* ((r (when unread " unread"))
7345 (d (when undownloaded " undownloaded"))
7346 (s (when unseen " unseen"))
7347 (l (delq nil (list r d s))))
7348 (cond ((= 3 (length l))
7349 (concat r "," d ", or" s))
7350 ((= 2 (length l))
7351 (concat (car l) ", or" (cadr l)))
7352 ((= 1 (length l))
7353 (car l))
7355 ""))))
7358 (gnus-summary-position-point))))))
7360 (defun gnus-summary-next-subject (n &optional unread dont-display)
7361 "Go to next N'th summary line.
7362 If N is negative, go to the previous N'th subject line.
7363 If UNREAD is non-nil, only unread articles are selected.
7364 The difference between N and the actual number of steps taken is
7365 returned."
7366 (interactive "p")
7367 (let ((backward (< n 0))
7368 (n (abs n)))
7369 (while (and (> n 0)
7370 (if backward
7371 (gnus-summary-find-prev unread)
7372 (gnus-summary-find-next unread)))
7373 (unless (zerop (setq n (1- n)))
7374 (gnus-summary-show-thread)))
7375 (when (/= 0 n)
7376 (gnus-message 7 "No more%s articles"
7377 (if unread " unread" "")))
7378 (unless dont-display
7379 (gnus-summary-recenter)
7380 (gnus-summary-position-point))
7383 (defun gnus-summary-next-unread-subject (n)
7384 "Go to next N'th unread summary line."
7385 (interactive "p")
7386 (gnus-summary-next-subject n t))
7388 (defun gnus-summary-prev-subject (n &optional unread)
7389 "Go to previous N'th summary line.
7390 If optional argument UNREAD is non-nil, only unread article is selected."
7391 (interactive "p")
7392 (gnus-summary-next-subject (- n) unread))
7394 (defun gnus-summary-prev-unread-subject (n)
7395 "Go to previous N'th unread summary line."
7396 (interactive "p")
7397 (gnus-summary-next-subject (- n) t))
7399 (defun gnus-summary-goto-subjects (articles)
7400 "Insert the subject header for ARTICLES in the current buffer."
7401 (save-excursion
7402 (dolist (article articles)
7403 (gnus-summary-goto-subject article t)))
7404 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7405 (gnus-summary-position-point))
7407 (defun gnus-summary-goto-subject (article &optional force silent)
7408 "Go the subject line of ARTICLE.
7409 If FORCE, also allow jumping to articles not currently shown."
7410 (interactive "nArticle number: ")
7411 (unless (numberp article)
7412 (error "Article %s is not a number" article))
7413 (let ((b (point))
7414 (data (gnus-data-find article)))
7415 ;; We read in the article if we have to.
7416 (and (not data)
7417 force
7418 (gnus-summary-insert-subject
7419 article
7420 (if (or (numberp force) (vectorp force)) force)
7422 (setq data (gnus-data-find article)))
7423 (goto-char b)
7424 (if (not data)
7425 (progn
7426 (unless silent
7427 (gnus-message 3 "Can't find article %d" article))
7428 nil)
7429 (let ((pt (gnus-data-pos data)))
7430 (goto-char pt)
7431 (gnus-summary-set-article-display-arrow pt))
7432 (gnus-summary-position-point)
7433 article)))
7435 ;; Walking around summary lines with displaying articles.
7437 (defun gnus-summary-expand-window (&optional arg)
7438 "Make the summary buffer take up the entire Emacs frame.
7439 Given a prefix, will force an `article' buffer configuration."
7440 (interactive "P")
7441 (if arg
7442 (gnus-configure-windows 'article 'force)
7443 (gnus-configure-windows 'summary 'force)))
7445 (defun gnus-summary-display-article (article &optional all-header)
7446 "Display ARTICLE in article buffer."
7447 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7448 (with-current-buffer gnus-article-buffer
7449 (eq major-mode 'gnus-article-mode)))
7450 (gnus-article-setup-buffer))
7451 (gnus-set-global-variables)
7452 (with-current-buffer gnus-article-buffer
7453 (setq gnus-article-charset gnus-newsgroup-charset)
7454 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7455 (mm-enable-multibyte))
7456 (if (null article)
7458 (prog1
7459 (if gnus-summary-display-article-function
7460 (funcall gnus-summary-display-article-function article all-header)
7461 (gnus-article-prepare article all-header))
7462 (gnus-run-hooks 'gnus-select-article-hook)
7463 (when (and gnus-current-article
7464 (not (zerop gnus-current-article)))
7465 (gnus-summary-goto-subject gnus-current-article))
7466 (gnus-summary-recenter)
7467 (when (and gnus-use-trees gnus-show-threads)
7468 (gnus-possibly-generate-tree article)
7469 (gnus-highlight-selected-tree article))
7470 ;; Successfully display article.
7471 (gnus-article-set-window-start
7472 (cdr (assq article gnus-newsgroup-bookmarks))))))
7474 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7475 "Select the current article.
7476 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7477 non-nil, the article will be re-fetched even if it already present in
7478 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7479 be displayed."
7480 ;; Make sure we are in the summary buffer to work around bbdb bug.
7481 (unless (eq major-mode 'gnus-summary-mode)
7482 (set-buffer gnus-summary-buffer))
7483 (let ((article (or article (gnus-summary-article-number)))
7484 (all-headers (not (not all-headers))) ;Must be t or nil.
7485 gnus-summary-display-article-function)
7486 (and (not pseudo)
7487 (gnus-summary-article-pseudo-p article)
7488 (error "This is a pseudo-article"))
7489 (save-excursion
7490 (set-buffer gnus-summary-buffer)
7491 (if (or (and gnus-single-article-buffer
7492 (or (null gnus-current-article)
7493 (null gnus-article-current)
7494 (null (get-buffer gnus-article-buffer))
7495 (not (eq article (cdr gnus-article-current)))
7496 (not (equal (car gnus-article-current)
7497 gnus-newsgroup-name))))
7498 (and (not gnus-single-article-buffer)
7499 (or (null gnus-current-article)
7500 (not (eq gnus-current-article article))))
7501 force)
7502 ;; The requested article is different from the current article.
7503 (progn
7504 (gnus-summary-display-article article all-headers)
7505 (when (gnus-buffer-live-p gnus-article-buffer)
7506 (with-current-buffer gnus-article-buffer
7507 (if (not gnus-article-decoded-p) ;; a local variable
7508 (mm-disable-multibyte))))
7509 (gnus-article-set-window-start
7510 (cdr (assq article gnus-newsgroup-bookmarks)))
7511 article)
7512 'old))))
7514 (defun gnus-summary-force-verify-and-decrypt ()
7515 "Display buttons for signed/encrypted parts and verify/decrypt them."
7516 (interactive)
7517 (let ((mm-verify-option 'known)
7518 (mm-decrypt-option 'known)
7519 (gnus-article-emulate-mime t)
7520 (gnus-buttonized-mime-types (append (list "multipart/signed"
7521 "multipart/encrypted")
7522 gnus-buttonized-mime-types)))
7523 (gnus-summary-select-article nil 'force)))
7525 (defun gnus-summary-set-current-mark (&optional current-mark)
7526 "Obsolete function."
7527 nil)
7529 (defun gnus-summary-next-article (&optional unread subject backward push)
7530 "Select the next article.
7531 If UNREAD, only unread articles are selected.
7532 If SUBJECT, only articles with SUBJECT are selected.
7533 If BACKWARD, the previous article is selected instead of the next."
7534 (interactive "P")
7535 ;; Make sure we are in the summary buffer.
7536 (unless (eq major-mode 'gnus-summary-mode)
7537 (set-buffer gnus-summary-buffer))
7538 (cond
7539 ;; Is there such an article?
7540 ((and (gnus-summary-search-forward unread subject backward)
7541 (or (gnus-summary-display-article (gnus-summary-article-number))
7542 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7543 (gnus-summary-position-point))
7544 ;; If not, we try the first unread, if that is wanted.
7545 ((and subject
7546 gnus-auto-select-same
7547 (gnus-summary-first-unread-article))
7548 (gnus-summary-position-point)
7549 (gnus-message 6 "Wrapped"))
7550 ;; Try to get next/previous article not displayed in this group.
7551 ((and gnus-auto-extend-newsgroup
7552 (not unread) (not subject))
7553 (gnus-summary-goto-article
7554 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7555 nil (count-lines (point-min) (point))))
7556 ;; Go to next/previous group.
7558 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7559 (gnus-summary-jump-to-group gnus-newsgroup-name))
7560 (let ((cmd last-command-char)
7561 (point
7562 (with-current-buffer gnus-group-buffer
7563 (point)))
7564 (group
7565 (if (eq gnus-keep-same-level 'best)
7566 (gnus-summary-best-group gnus-newsgroup-name)
7567 (gnus-summary-search-group backward gnus-keep-same-level))))
7568 ;; For some reason, the group window gets selected. We change
7569 ;; it back.
7570 (select-window (get-buffer-window (current-buffer)))
7571 ;; Select next unread newsgroup automagically.
7572 (cond
7573 ((or (not gnus-auto-select-next)
7574 (not cmd))
7575 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7576 ((or (eq gnus-auto-select-next 'quietly)
7577 (and (eq gnus-auto-select-next 'slightly-quietly)
7578 push)
7579 (and (eq gnus-auto-select-next 'almost-quietly)
7580 (gnus-summary-last-article-p)))
7581 ;; Select quietly.
7582 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7583 (gnus-summary-exit)
7584 (gnus-message 7 "No more%s articles (%s)..."
7585 (if unread " unread" "")
7586 (if group (concat "selecting " group)
7587 "exiting"))
7588 (gnus-summary-next-group nil group backward)))
7590 (when (gnus-key-press-event-p last-input-event)
7591 (gnus-summary-walk-group-buffer
7592 gnus-newsgroup-name cmd unread backward point))))))))
7594 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7595 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7596 (?\C-p (gnus-group-prev-unread-group 1))))
7597 (cursor-in-echo-area t)
7598 keve key group ended prompt)
7599 (save-excursion
7600 (set-buffer gnus-group-buffer)
7601 (goto-char start)
7602 (setq group
7603 (if (eq gnus-keep-same-level 'best)
7604 (gnus-summary-best-group gnus-newsgroup-name)
7605 (gnus-summary-search-group backward gnus-keep-same-level))))
7606 (while (not ended)
7607 (setq prompt
7608 (format
7609 "No more%s articles%s " (if unread " unread" "")
7610 (if (and group
7611 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7612 (format " (Type %s for %s [%s])"
7613 (single-key-description cmd)
7614 (gnus-group-decoded-name group)
7615 (gnus-group-unread group))
7616 (format " (Type %s to exit %s)"
7617 (single-key-description cmd)
7618 (gnus-group-decoded-name gnus-newsgroup-name)))))
7619 ;; Confirm auto selection.
7620 (setq key (car (setq keve (gnus-read-event-char prompt)))
7621 ended t)
7622 (cond
7623 ((assq key keystrokes)
7624 (let ((obuf (current-buffer)))
7625 (switch-to-buffer gnus-group-buffer)
7626 (when group
7627 (gnus-group-jump-to-group group))
7628 (eval (cadr (assq key keystrokes)))
7629 (setq group (gnus-group-group-name))
7630 (switch-to-buffer obuf))
7631 (setq ended nil))
7632 ((equal key cmd)
7633 (if (or (not group)
7634 (gnus-ephemeral-group-p gnus-newsgroup-name))
7635 (gnus-summary-exit)
7636 (gnus-summary-next-group nil group backward)))
7638 (push (cdr keve) unread-command-events))))))
7640 (defun gnus-summary-next-unread-article ()
7641 "Select unread article after current one."
7642 (interactive)
7643 (gnus-summary-next-article
7644 (or (not (eq gnus-summary-goto-unread 'never))
7645 (gnus-summary-last-article-p (gnus-summary-article-number)))
7646 (and gnus-auto-select-same
7647 (gnus-summary-article-subject))))
7649 (defun gnus-summary-prev-article (&optional unread subject)
7650 "Select the article after the current one.
7651 If UNREAD is non-nil, only unread articles are selected."
7652 (interactive "P")
7653 (gnus-summary-next-article unread subject t))
7655 (defun gnus-summary-prev-unread-article ()
7656 "Select unread article before current one."
7657 (interactive)
7658 (gnus-summary-prev-article
7659 (or (not (eq gnus-summary-goto-unread 'never))
7660 (gnus-summary-first-article-p (gnus-summary-article-number)))
7661 (and gnus-auto-select-same
7662 (gnus-summary-article-subject))))
7664 (defun gnus-summary-next-page (&optional lines circular stop)
7665 "Show next page of the selected article.
7666 If at the end of the current article, select the next article.
7667 LINES says how many lines should be scrolled up.
7669 If CIRCULAR is non-nil, go to the start of the article instead of
7670 selecting the next article when reaching the end of the current
7671 article.
7673 If STOP is non-nil, just stop when reaching the end of the message.
7675 Also see the variable `gnus-article-skip-boring'."
7676 (interactive "P")
7677 (setq gnus-summary-buffer (current-buffer))
7678 (gnus-set-global-variables)
7679 (let ((article (gnus-summary-article-number))
7680 (article-window (get-buffer-window gnus-article-buffer t))
7681 endp)
7682 ;; If the buffer is empty, we have no article.
7683 (unless article
7684 (error "No article to select"))
7685 (gnus-configure-windows 'article)
7686 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7687 (if (and (eq gnus-summary-goto-unread 'never)
7688 (not (gnus-summary-last-article-p article)))
7689 (gnus-summary-next-article)
7690 (gnus-summary-next-unread-article))
7691 (if (or (null gnus-current-article)
7692 (null gnus-article-current)
7693 (/= article (cdr gnus-article-current))
7694 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7695 ;; Selected subject is different from current article's.
7696 (gnus-summary-display-article article)
7697 (when article-window
7698 (gnus-eval-in-buffer-window gnus-article-buffer
7699 (setq endp (or (gnus-article-next-page lines)
7700 (gnus-article-only-boring-p))))
7701 (when endp
7702 (cond (stop
7703 (gnus-message 3 "End of message"))
7704 (circular
7705 (gnus-summary-beginning-of-article))
7706 (lines
7707 (gnus-message 3 "End of message"))
7708 ((null lines)
7709 (if (and (eq gnus-summary-goto-unread 'never)
7710 (not (gnus-summary-last-article-p article)))
7711 (gnus-summary-next-article)
7712 (gnus-summary-next-unread-article))))))))
7713 (gnus-summary-recenter)
7714 (gnus-summary-position-point)))
7716 (defun gnus-summary-prev-page (&optional lines move)
7717 "Show previous page of selected article.
7718 Argument LINES specifies lines to be scrolled down.
7719 If MOVE, move to the previous unread article if point is at
7720 the beginning of the buffer."
7721 (interactive "P")
7722 (let ((article (gnus-summary-article-number))
7723 (article-window (get-buffer-window gnus-article-buffer t))
7724 endp)
7725 (gnus-configure-windows 'article)
7726 (if (or (null gnus-current-article)
7727 (null gnus-article-current)
7728 (/= article (cdr gnus-article-current))
7729 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7730 ;; Selected subject is different from current article's.
7731 (gnus-summary-display-article article)
7732 (gnus-summary-recenter)
7733 (when article-window
7734 (gnus-eval-in-buffer-window gnus-article-buffer
7735 (setq endp (gnus-article-prev-page lines)))
7736 (when (and move endp)
7737 (cond (lines
7738 (gnus-message 3 "Beginning of message"))
7739 ((null lines)
7740 (if (and (eq gnus-summary-goto-unread 'never)
7741 (not (gnus-summary-first-article-p article)))
7742 (gnus-summary-prev-article)
7743 (gnus-summary-prev-unread-article))))))))
7744 (gnus-summary-position-point))
7746 (defun gnus-summary-prev-page-or-article (&optional lines)
7747 "Show previous page of selected article.
7748 Argument LINES specifies lines to be scrolled down.
7749 If at the beginning of the article, go to the next article."
7750 (interactive "P")
7751 (gnus-summary-prev-page lines t))
7753 (defun gnus-summary-scroll-up (lines)
7754 "Scroll up (or down) one line current article.
7755 Argument LINES specifies lines to be scrolled up (or down if negative)."
7756 (interactive "p")
7757 (gnus-configure-windows 'article)
7758 (gnus-summary-show-thread)
7759 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7760 (gnus-eval-in-buffer-window gnus-article-buffer
7761 (cond ((> lines 0)
7762 (when (gnus-article-next-page lines)
7763 (gnus-message 3 "End of message")))
7764 ((< lines 0)
7765 (gnus-article-prev-page (- lines))))))
7766 (gnus-summary-recenter)
7767 (gnus-summary-position-point))
7769 (defun gnus-summary-scroll-down (lines)
7770 "Scroll down (or up) one line current article.
7771 Argument LINES specifies lines to be scrolled down (or up if negative)."
7772 (interactive "p")
7773 (gnus-summary-scroll-up (- lines)))
7775 (defun gnus-summary-next-same-subject ()
7776 "Select next article which has the same subject as current one."
7777 (interactive)
7778 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7780 (defun gnus-summary-prev-same-subject ()
7781 "Select previous article which has the same subject as current one."
7782 (interactive)
7783 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7785 (defun gnus-summary-next-unread-same-subject ()
7786 "Select next unread article which has the same subject as current one."
7787 (interactive)
7788 (gnus-summary-next-article t (gnus-summary-article-subject)))
7790 (defun gnus-summary-prev-unread-same-subject ()
7791 "Select previous unread article which has the same subject as current one."
7792 (interactive)
7793 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7795 (defun gnus-summary-first-unread-article ()
7796 "Select the first unread article.
7797 Return nil if there are no unread articles."
7798 (interactive)
7799 (prog1
7800 (when (gnus-summary-first-subject t)
7801 (gnus-summary-show-thread)
7802 (gnus-summary-first-subject t)
7803 (gnus-summary-display-article (gnus-summary-article-number)))
7804 (gnus-summary-position-point)))
7806 (defun gnus-summary-first-unread-subject ()
7807 "Place the point on the subject line of the first unread article.
7808 Return nil if there are no unread articles."
7809 (interactive)
7810 (prog1
7811 (when (gnus-summary-first-subject t)
7812 (gnus-summary-show-thread)
7813 (gnus-summary-first-subject t))
7814 (gnus-summary-position-point)))
7816 (defun gnus-summary-first-unseen-subject ()
7817 "Place the point on the subject line of the first unseen article.
7818 Return nil if there are no unseen articles."
7819 (interactive)
7820 (prog1
7821 (when (gnus-summary-first-subject nil nil t)
7822 (gnus-summary-show-thread)
7823 (gnus-summary-first-subject nil nil t))
7824 (gnus-summary-position-point)))
7826 (defun gnus-summary-first-unseen-or-unread-subject ()
7827 "Place the point on the subject line of the first unseen article or,
7828 if all article have been seen, on the subject line of the first unread
7829 article."
7830 (interactive)
7831 (prog1
7832 (unless (when (gnus-summary-first-subject nil nil t)
7833 (gnus-summary-show-thread)
7834 (gnus-summary-first-subject nil nil t))
7835 (when (gnus-summary-first-subject t)
7836 (gnus-summary-show-thread)
7837 (gnus-summary-first-subject t)))
7838 (gnus-summary-position-point)))
7840 (defun gnus-summary-first-article ()
7841 "Select the first article.
7842 Return nil if there are no articles."
7843 (interactive)
7844 (prog1
7845 (when (gnus-summary-first-subject)
7846 (gnus-summary-show-thread)
7847 (gnus-summary-first-subject)
7848 (gnus-summary-display-article (gnus-summary-article-number)))
7849 (gnus-summary-position-point)))
7851 (defun gnus-summary-best-unread-article (&optional arg)
7852 "Select the unread article with the highest score.
7853 If given a prefix argument, select the next unread article that has a
7854 score higher than the default score."
7855 (interactive "P")
7856 (let ((article (if arg
7857 (gnus-summary-better-unread-subject)
7858 (gnus-summary-best-unread-subject))))
7859 (if article
7860 (gnus-summary-goto-article article)
7861 (error "No unread articles"))))
7863 (defun gnus-summary-best-unread-subject ()
7864 "Select the unread subject with the highest score."
7865 (interactive)
7866 (let ((best -1000000)
7867 (data gnus-newsgroup-data)
7868 article score)
7869 (while data
7870 (and (gnus-data-unread-p (car data))
7871 (> (setq score
7872 (gnus-summary-article-score (gnus-data-number (car data))))
7873 best)
7874 (setq best score
7875 article (gnus-data-number (car data))))
7876 (setq data (cdr data)))
7877 (when article
7878 (gnus-summary-goto-subject article))
7879 (gnus-summary-position-point)
7880 article))
7882 (defun gnus-summary-better-unread-subject ()
7883 "Select the first unread subject that has a score over the default score."
7884 (interactive)
7885 (let ((data gnus-newsgroup-data)
7886 article score)
7887 (while (and (setq article (gnus-data-number (car data)))
7888 (or (gnus-data-read-p (car data))
7889 (not (> (gnus-summary-article-score article)
7890 gnus-summary-default-score))))
7891 (setq data (cdr data)))
7892 (when article
7893 (gnus-summary-goto-subject article))
7894 (gnus-summary-position-point)
7895 article))
7897 (defun gnus-summary-last-subject ()
7898 "Go to the last displayed subject line in the group."
7899 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7900 (when article
7901 (gnus-summary-goto-subject article))))
7903 (defun gnus-summary-goto-article (article &optional all-headers force)
7904 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7905 If ALL-HEADERS is non-nil, no header lines are hidden.
7906 If FORCE, go to the article even if it isn't displayed. If FORCE
7907 is a number, it is the line the article is to be displayed on."
7908 (interactive
7909 (list
7910 (completing-read
7911 "Article number or Message-ID: "
7912 (mapcar (lambda (number) (list (int-to-string number)))
7913 gnus-newsgroup-limit))
7914 current-prefix-arg
7916 (prog1
7917 (if (and (stringp article)
7918 (string-match "@\\|%40" article))
7919 (gnus-summary-refer-article article)
7920 (when (stringp article)
7921 (setq article (string-to-number article)))
7922 (if (gnus-summary-goto-subject article force)
7923 (gnus-summary-display-article article all-headers)
7924 (gnus-message 4 "Couldn't go to article %s" article) nil))
7925 (gnus-summary-position-point)))
7927 (defun gnus-summary-goto-last-article ()
7928 "Go to the previously read article."
7929 (interactive)
7930 (prog1
7931 (when gnus-last-article
7932 (gnus-summary-goto-article gnus-last-article nil t))
7933 (gnus-summary-position-point)))
7935 (defun gnus-summary-pop-article (number)
7936 "Pop one article off the history and go to the previous.
7937 NUMBER articles will be popped off."
7938 (interactive "p")
7939 (let (to)
7940 (setq gnus-newsgroup-history
7941 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7942 (if to
7943 (gnus-summary-goto-article (car to) nil t)
7944 (error "Article history empty")))
7945 (gnus-summary-position-point))
7947 ;; Summary commands and functions for limiting the summary buffer.
7949 (defun gnus-summary-limit-to-articles (n)
7950 "Limit the summary buffer to the next N articles.
7951 If not given a prefix, use the process marked articles instead."
7952 (interactive "P")
7953 (prog1
7954 (let ((articles (gnus-summary-work-articles n)))
7955 (setq gnus-newsgroup-processable nil)
7956 (gnus-summary-limit articles))
7957 (gnus-summary-position-point)))
7959 (defun gnus-summary-pop-limit (&optional total)
7960 "Restore the previous limit.
7961 If given a prefix, remove all limits."
7962 (interactive "P")
7963 (when total
7964 (setq gnus-newsgroup-limits
7965 (list (mapcar (lambda (h) (mail-header-number h))
7966 gnus-newsgroup-headers))))
7967 (unless gnus-newsgroup-limits
7968 (error "No limit to pop"))
7969 (prog1
7970 (gnus-summary-limit nil 'pop)
7971 (gnus-summary-position-point)))
7973 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7974 "Limit the summary buffer to articles that have subjects that match a regexp.
7975 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7976 (interactive
7977 (list (read-string (if current-prefix-arg
7978 "Exclude subject (regexp): "
7979 "Limit to subject (regexp): "))
7980 nil current-prefix-arg))
7981 (unless header
7982 (setq header "subject"))
7983 (when (not (equal "" subject))
7984 (prog1
7985 (let ((articles (gnus-summary-find-matching
7986 (or header "subject") subject 'all nil nil
7987 not-matching)))
7988 (unless articles
7989 (error "Found no matches for \"%s\"" subject))
7990 (gnus-summary-limit articles))
7991 (gnus-summary-position-point))))
7993 (defun gnus-summary-limit-to-author (from &optional not-matching)
7994 "Limit the summary buffer to articles that have authors that match a regexp.
7995 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7996 (interactive
7997 (list (read-string (if current-prefix-arg
7998 "Exclude author (regexp): "
7999 "Limit to author (regexp): "))
8000 current-prefix-arg))
8001 (gnus-summary-limit-to-subject from "from" not-matching))
8003 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8004 "Limit the summary buffer to articles with the given RECIPIENT.
8006 If NOT-MATCHING, exclude RECIPIENT.
8008 To and Cc headers are checked. You need to include them in
8009 `nnmail-extra-headers'."
8010 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8011 (interactive
8012 (list (read-string (format "%s recipient (regexp): "
8013 (if current-prefix-arg "Exclude" "Limit to")))
8014 current-prefix-arg))
8015 (when (not (equal "" recipient))
8016 (prog1 (let* ((to
8017 (if (memq 'To nnmail-extra-headers)
8018 (gnus-summary-find-matching
8019 (cons 'extra 'To) recipient 'all nil nil
8020 not-matching)
8021 (gnus-message
8022 1 "`To' isn't present in `nnmail-extra-headers'")
8023 (sit-for 1)
8024 nil))
8026 (if (memq 'Cc nnmail-extra-headers)
8027 (gnus-summary-find-matching
8028 (cons 'extra 'Cc) recipient 'all nil nil
8029 not-matching)
8030 (gnus-message
8031 1 "`Cc' isn't present in `nnmail-extra-headers'")
8032 (sit-for 1)
8033 nil))
8034 (articles
8035 (if not-matching
8036 ;; We need the numbers that are in both lists:
8037 (mapcar (lambda (a)
8038 (and (memq a to) a))
8040 (nconc to cc))))
8041 (unless articles
8042 (error "Found no matches for \"%s\"" recipient))
8043 (gnus-summary-limit articles))
8044 (gnus-summary-position-point))))
8046 (defun gnus-summary-limit-to-address (address &optional not-matching)
8047 "Limit the summary buffer to articles with the given ADDRESS.
8049 If NOT-MATCHING, exclude ADDRESS.
8051 To, Cc and From headers are checked. You need to include `To' and `Cc'
8052 in `nnmail-extra-headers'."
8053 (interactive
8054 (list (read-string (format "%s address (regexp): "
8055 (if current-prefix-arg "Exclude" "Limit to")))
8056 current-prefix-arg))
8057 (when (not (equal "" address))
8058 (prog1 (let* ((to
8059 (if (memq 'To nnmail-extra-headers)
8060 (gnus-summary-find-matching
8061 (cons 'extra 'To) address 'all nil nil
8062 not-matching)
8063 (gnus-message
8064 1 "`To' isn't present in `nnmail-extra-headers'")
8065 (sit-for 1)
8068 (if (memq 'Cc nnmail-extra-headers)
8069 (gnus-summary-find-matching
8070 (cons 'extra 'Cc) address 'all nil nil
8071 not-matching)
8072 (gnus-message
8073 1 "`Cc' isn't present in `nnmail-extra-headers'")
8074 (sit-for 1)
8076 (from
8077 (gnus-summary-find-matching "from" address
8078 'all nil nil not-matching))
8079 (articles
8080 (if not-matching
8081 ;; We need the numbers that are in all lists:
8082 (if (eq cc t)
8083 (if (eq to t)
8084 from
8085 (mapcar (lambda (a) (car (memq a from))) to))
8086 (if (eq to t)
8087 (mapcar (lambda (a) (car (memq a from))) cc)
8088 (mapcar (lambda (a) (car (memq a from)))
8089 (mapcar (lambda (a) (car (memq a to)))
8090 cc))))
8091 (nconc (if (eq to t) nil to)
8092 (if (eq cc t) nil cc)
8093 from))))
8094 (unless articles
8095 (error "Found no matches for \"%s\"" address))
8096 (gnus-summary-limit articles))
8097 (gnus-summary-position-point))))
8099 (defun gnus-summary-limit-strange-charsets-predicate (header)
8100 (let ((string (concat (mail-header-subject header)
8101 (mail-header-from header)))
8102 charset found)
8103 (dotimes (i (1- (length string)))
8104 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8105 (when (string-match "unicode\\|big\\|japanese" charset)
8106 (setq found t)))
8107 found))
8109 (defun gnus-summary-limit-to-predicate (predicate)
8110 "Limit to articles where PREDICATE returns non-nil.
8111 PREDICATE will be called with the header structures of the
8112 articles."
8113 (let ((articles nil)
8114 (case-fold-search t))
8115 (dolist (header gnus-newsgroup-headers)
8116 (when (funcall predicate header)
8117 (push (mail-header-number header) articles)))
8118 (gnus-summary-limit (nreverse articles))))
8120 (defun gnus-summary-limit-to-age (age &optional younger-p)
8121 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8122 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8123 articles that are younger than AGE days."
8124 (interactive
8125 (let ((younger current-prefix-arg)
8126 (days-got nil)
8127 days)
8128 (while (not days-got)
8129 (setq days (if younger
8130 (read-string "Limit to articles younger than (in days, older when negative): ")
8131 (read-string
8132 "Limit to articles older than (in days, younger when negative): ")))
8133 (when (> (length days) 0)
8134 (setq days (read days)))
8135 (if (numberp days)
8136 (progn
8137 (setq days-got t)
8138 (when (< days 0)
8139 (setq younger (not younger))
8140 (setq days (* days -1))))
8141 (message "Please enter a number.")
8142 (sleep-for 1)))
8143 (list days younger)))
8144 (prog1
8145 (let ((data gnus-newsgroup-data)
8146 (cutoff (days-to-time age))
8147 articles d date is-younger)
8148 (while (setq d (pop data))
8149 (when (and (vectorp (gnus-data-header d))
8150 (setq date (mail-header-date (gnus-data-header d))))
8151 (setq is-younger (time-less-p
8152 (time-since (condition-case ()
8153 (date-to-time date)
8154 (error '(0 0))))
8155 cutoff))
8156 (when (if younger-p
8157 is-younger
8158 (not is-younger))
8159 (push (gnus-data-number d) articles))))
8160 (gnus-summary-limit (nreverse articles)))
8161 (gnus-summary-position-point)))
8163 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8164 "Limit the summary buffer to articles that match an 'extra' header."
8165 (interactive
8166 (let ((header
8167 (intern
8168 (gnus-completing-read-with-default
8169 (symbol-name (car gnus-extra-headers))
8170 (if current-prefix-arg
8171 "Exclude extra header"
8172 "Limit extra header")
8173 (mapcar (lambda (x)
8174 (cons (symbol-name x) x))
8175 gnus-extra-headers)
8177 t))))
8178 (list header
8179 (read-string (format "%s header %s (regexp): "
8180 (if current-prefix-arg "Exclude" "Limit to")
8181 header))
8182 current-prefix-arg)))
8183 (when (not (equal "" regexp))
8184 (prog1
8185 (let ((articles (gnus-summary-find-matching
8186 (cons 'extra header) regexp 'all nil nil
8187 not-matching)))
8188 (unless articles
8189 (error "Found no matches for \"%s\"" regexp))
8190 (gnus-summary-limit articles))
8191 (gnus-summary-position-point))))
8193 (defun gnus-summary-limit-to-display-predicate ()
8194 "Limit the summary buffer to the predicated in the `display' group parameter."
8195 (interactive)
8196 (unless gnus-newsgroup-display
8197 (error "There is no `display' group parameter"))
8198 (let (articles)
8199 (dolist (number gnus-newsgroup-articles)
8200 (when (funcall gnus-newsgroup-display)
8201 (push number articles)))
8202 (gnus-summary-limit articles))
8203 (gnus-summary-position-point))
8205 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8206 (make-obsolete
8207 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8209 (defun gnus-summary-limit-to-unread (&optional all)
8210 "Limit the summary buffer to articles that are not marked as read.
8211 If ALL is non-nil, limit strictly to unread articles."
8212 (interactive "P")
8213 (if all
8214 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8215 (gnus-summary-limit-to-marks
8216 ;; Concat all the marks that say that an article is read and have
8217 ;; those removed.
8218 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8219 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8220 gnus-low-score-mark gnus-expirable-mark
8221 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8222 gnus-duplicate-mark gnus-souped-mark)
8223 'reverse)))
8225 (defun gnus-summary-limit-to-headers (match &optional reverse)
8226 "Limit the summary buffer to articles that have headers that match MATCH.
8227 If REVERSE (the prefix), limit to articles that don't match."
8228 (interactive "sMatch headers (regexp): \nP")
8229 (gnus-summary-limit-to-bodies match reverse t))
8231 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8232 "Limit the summary buffer to articles that have bodies that match MATCH.
8233 If REVERSE (the prefix), limit to articles that don't match."
8234 (interactive "sMatch body (regexp): \nP")
8235 (let ((articles nil)
8236 (gnus-select-article-hook nil) ;Disable hook.
8237 (gnus-article-prepare-hook nil)
8238 (gnus-use-article-prefetch nil)
8239 (gnus-keep-backlog nil)
8240 (gnus-break-pages nil)
8241 (gnus-summary-display-arrow nil)
8242 (gnus-updated-mode-lines nil)
8243 (gnus-auto-center-summary nil)
8244 (gnus-display-mime-function nil))
8245 (dolist (data gnus-newsgroup-data)
8246 (let (gnus-mark-article-hook)
8247 (gnus-summary-select-article t t nil (gnus-data-number data)))
8248 (save-excursion
8249 (set-buffer gnus-article-buffer)
8250 (article-goto-body)
8251 (let* ((case-fold-search t)
8252 (found (if headersp
8253 (re-search-backward match nil t)
8254 (re-search-forward match nil t))))
8255 (when (or (and found
8256 (not reverse))
8257 (and (not found)
8258 reverse))
8259 (push (gnus-data-number data) articles)))))
8260 (if (not articles)
8261 (message "No messages matched")
8262 (gnus-summary-limit articles)))
8263 (gnus-summary-position-point))
8265 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8266 "Limit the summary buffer to articles that aren't part on any thread.
8267 If THREADSP (the prefix), limit to articles that are in threads."
8268 (interactive "P")
8269 (let ((articles nil)
8270 thread-articles
8271 threads)
8272 (dolist (thread gnus-newsgroup-threads)
8273 (if (stringp (car thread))
8274 (dolist (thread (cdr thread))
8275 (push thread threads))
8276 (push thread threads)))
8277 (dolist (thread threads)
8278 (setq thread-articles (gnus-articles-in-thread thread))
8279 (when (or (and threadsp
8280 (> (length thread-articles) 1))
8281 (and (not threadsp)
8282 (= (length thread-articles) 1)))
8283 (setq articles (nconc thread-articles articles))))
8284 (if (not articles)
8285 (message "No messages matched")
8286 (gnus-summary-limit articles))
8287 (gnus-summary-position-point)))
8289 (defun gnus-summary-limit-to-replied (&optional unreplied)
8290 "Limit the summary buffer to replied articles.
8291 If UNREPLIED (the prefix), limit to unreplied articles."
8292 (interactive "P")
8293 (if unreplied
8294 (gnus-summary-limit
8295 (gnus-set-difference gnus-newsgroup-articles
8296 gnus-newsgroup-replied))
8297 (gnus-summary-limit gnus-newsgroup-replied))
8298 (gnus-summary-position-point))
8300 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8301 (make-obsolete 'gnus-summary-delete-marked-with
8302 'gnus-summary-limit-exclude-marks)
8304 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8305 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8306 If REVERSE, limit the summary buffer to articles that are marked
8307 with MARKS. MARKS can either be a string of marks or a list of marks.
8308 Returns how many articles were removed."
8309 (interactive "sMarks: ")
8310 (gnus-summary-limit-to-marks marks t))
8312 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8313 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8314 If REVERSE (the prefix), limit the summary buffer to articles that are
8315 not marked with MARKS. MARKS can either be a string of marks or a
8316 list of marks.
8317 Returns how many articles were removed."
8318 (interactive "sMarks: \nP")
8319 (prog1
8320 (let ((data gnus-newsgroup-data)
8321 (marks (if (listp marks) marks
8322 (append marks nil))) ; Transform to list.
8323 articles)
8324 (while data
8325 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8326 (memq (gnus-data-mark (car data)) marks))
8327 (push (gnus-data-number (car data)) articles))
8328 (setq data (cdr data)))
8329 (gnus-summary-limit articles))
8330 (gnus-summary-position-point)))
8332 (defun gnus-summary-limit-to-score (score)
8333 "Limit to articles with score at or above SCORE."
8334 (interactive "NLimit to articles with score of at least: ")
8335 (let ((data gnus-newsgroup-data)
8336 articles)
8337 (while data
8338 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8339 score)
8340 (push (gnus-data-number (car data)) articles))
8341 (setq data (cdr data)))
8342 (prog1
8343 (gnus-summary-limit articles)
8344 (gnus-summary-position-point))))
8346 (defun gnus-summary-limit-to-unseen ()
8347 "Limit to unseen articles."
8348 (interactive)
8349 (prog1
8350 (gnus-summary-limit gnus-newsgroup-unseen)
8351 (gnus-summary-position-point)))
8353 (defun gnus-summary-limit-include-thread (id)
8354 "Display all the hidden articles that is in the thread with ID in it.
8355 When called interactively, ID is the Message-ID of the current
8356 article."
8357 (interactive (list (mail-header-id (gnus-summary-article-header))))
8358 (let ((articles (gnus-articles-in-thread
8359 (gnus-id-to-thread (gnus-root-id id)))))
8360 (prog1
8361 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8362 (gnus-summary-limit-include-matching-articles
8363 "subject"
8364 (regexp-quote (gnus-simplify-subject-re
8365 (mail-header-subject (gnus-id-to-header id)))))
8366 (gnus-summary-position-point))))
8368 (defun gnus-summary-limit-include-matching-articles (header regexp)
8369 "Display all the hidden articles that have HEADERs that match REGEXP."
8370 (interactive (list (read-string "Match on header: ")
8371 (read-string "Regexp: ")))
8372 (let ((articles (gnus-find-matching-articles header regexp)))
8373 (prog1
8374 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8375 (gnus-summary-position-point))))
8377 (defun gnus-summary-insert-dormant-articles ()
8378 "Insert all the dormant articles for this group into the current buffer."
8379 (interactive)
8380 (let ((gnus-verbose (max 6 gnus-verbose)))
8381 (if (not gnus-newsgroup-dormant)
8382 (gnus-message 3 "No dormant articles for this group")
8383 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8385 (defun gnus-summary-insert-ticked-articles ()
8386 "Insert ticked articles for this group into the current buffer."
8387 (interactive)
8388 (let ((gnus-verbose (max 6 gnus-verbose)))
8389 (if (not gnus-newsgroup-marked)
8390 (gnus-message 3 "No ticked articles for this group")
8391 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8393 (defun gnus-summary-limit-include-dormant ()
8394 "Display all the hidden articles that are marked as dormant.
8395 Note that this command only works on a subset of the articles currently
8396 fetched for this group."
8397 (interactive)
8398 (unless gnus-newsgroup-dormant
8399 (error "There are no dormant articles in this group"))
8400 (prog1
8401 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8402 (gnus-summary-position-point)))
8404 (defun gnus-summary-limit-exclude-dormant ()
8405 "Hide all dormant articles."
8406 (interactive)
8407 (prog1
8408 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8409 (gnus-summary-position-point)))
8411 (defun gnus-summary-limit-exclude-childless-dormant ()
8412 "Hide all dormant articles that have no children."
8413 (interactive)
8414 (let ((data (gnus-data-list t))
8415 articles d children)
8416 ;; Find all articles that are either not dormant or have
8417 ;; children.
8418 (while (setq d (pop data))
8419 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8420 (and (setq children
8421 (gnus-article-children (gnus-data-number d)))
8422 (let (found)
8423 (while children
8424 (when (memq (car children) articles)
8425 (setq children nil
8426 found t))
8427 (pop children))
8428 found)))
8429 (push (gnus-data-number d) articles)))
8430 ;; Do the limiting.
8431 (prog1
8432 (gnus-summary-limit articles)
8433 (gnus-summary-position-point))))
8435 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8436 "Mark all unread excluded articles as read.
8437 If ALL, mark even excluded ticked and dormants as read."
8438 (interactive "P")
8439 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8440 (let ((articles (gnus-sorted-ndifference
8441 (sort
8442 (mapcar (lambda (h) (mail-header-number h))
8443 gnus-newsgroup-headers)
8445 gnus-newsgroup-limit))
8446 article)
8447 (setq gnus-newsgroup-unreads
8448 (gnus-sorted-intersection gnus-newsgroup-unreads
8449 gnus-newsgroup-limit))
8450 (if all
8451 (setq gnus-newsgroup-dormant nil
8452 gnus-newsgroup-marked nil
8453 gnus-newsgroup-reads
8454 (nconc
8455 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8456 gnus-newsgroup-reads))
8457 (while (setq article (pop articles))
8458 (unless (or (memq article gnus-newsgroup-dormant)
8459 (memq article gnus-newsgroup-marked))
8460 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8462 (defun gnus-summary-limit (articles &optional pop)
8463 (if pop
8464 ;; We pop the previous limit off the stack and use that.
8465 (setq articles (car gnus-newsgroup-limits)
8466 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8467 ;; We use the new limit, so we push the old limit on the stack.
8468 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8469 ;; Set the limit.
8470 (setq gnus-newsgroup-limit articles)
8471 (let ((total (length gnus-newsgroup-data))
8472 (data (gnus-data-find-list (gnus-summary-article-number)))
8473 (gnus-summary-mark-below nil) ; Inhibit this.
8474 found)
8475 ;; This will do all the work of generating the new summary buffer
8476 ;; according to the new limit.
8477 (gnus-summary-prepare)
8478 ;; Hide any threads, possibly.
8479 (gnus-summary-maybe-hide-threads)
8480 ;; Try to return to the article you were at, or one in the
8481 ;; neighborhood.
8482 (when data
8483 ;; We try to find some article after the current one.
8484 (while data
8485 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8486 (setq data nil
8487 found t))
8488 (setq data (cdr data))))
8489 (unless found
8490 ;; If there is no data, that means that we were after the last
8491 ;; article. The same goes when we can't find any articles
8492 ;; after the current one.
8493 (goto-char (point-max))
8494 (gnus-summary-find-prev))
8495 (gnus-set-mode-line 'summary)
8496 ;; We return how many articles were removed from the summary
8497 ;; buffer as a result of the new limit.
8498 (- total (length gnus-newsgroup-data))))
8500 (defsubst gnus-invisible-cut-children (threads)
8501 (let ((num 0))
8502 (while threads
8503 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8504 (incf num))
8505 (pop threads))
8506 (< num 2)))
8508 (defsubst gnus-cut-thread (thread)
8509 "Go forwards in the thread until we find an article that we want to display."
8510 (when (or (eq gnus-fetch-old-headers 'some)
8511 (eq gnus-fetch-old-headers 'invisible)
8512 (numberp gnus-fetch-old-headers)
8513 (eq gnus-build-sparse-threads 'some)
8514 (eq gnus-build-sparse-threads 'more))
8515 ;; Deal with old-fetched headers and sparse threads.
8516 (while (and
8517 thread
8519 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8520 (gnus-summary-article-ancient-p
8521 (mail-header-number (car thread))))
8522 (if (or (<= (length (cdr thread)) 1)
8523 (eq gnus-fetch-old-headers 'invisible))
8524 (setq gnus-newsgroup-limit
8525 (delq (mail-header-number (car thread))
8526 gnus-newsgroup-limit)
8527 thread (cadr thread))
8528 (when (gnus-invisible-cut-children (cdr thread))
8529 (let ((th (cdr thread)))
8530 (while th
8531 (if (memq (mail-header-number (caar th))
8532 gnus-newsgroup-limit)
8533 (setq thread (car th)
8534 th nil)
8535 (setq th (cdr th))))))))))
8536 thread)
8538 (defun gnus-cut-threads (threads)
8539 "Cut off all uninteresting articles from the beginning of THREADS."
8540 (when (or (eq gnus-fetch-old-headers 'some)
8541 (eq gnus-fetch-old-headers 'invisible)
8542 (numberp gnus-fetch-old-headers)
8543 (eq gnus-build-sparse-threads 'some)
8544 (eq gnus-build-sparse-threads 'more))
8545 (let ((th threads))
8546 (while th
8547 (setcar th (gnus-cut-thread (car th)))
8548 (setq th (cdr th)))))
8549 ;; Remove nixed out threads.
8550 (delq nil threads))
8552 (defun gnus-summary-initial-limit (&optional show-if-empty)
8553 "Figure out what the initial limit is supposed to be on group entry.
8554 This entails weeding out unwanted dormants, low-scored articles,
8555 fetch-old-headers verbiage, and so on."
8556 ;; Most groups have nothing to remove.
8557 (if (or gnus-inhibit-limiting
8558 (and (null gnus-newsgroup-dormant)
8559 (eq gnus-newsgroup-display 'gnus-not-ignore)
8560 (not (eq gnus-fetch-old-headers 'some))
8561 (not (numberp gnus-fetch-old-headers))
8562 (not (eq gnus-fetch-old-headers 'invisible))
8563 (null gnus-summary-expunge-below)
8564 (not (eq gnus-build-sparse-threads 'some))
8565 (not (eq gnus-build-sparse-threads 'more))
8566 (null gnus-thread-expunge-below)
8567 (not gnus-use-nocem)))
8568 () ; Do nothing.
8569 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8570 (setq gnus-newsgroup-limit nil)
8571 (mapatoms
8572 (lambda (node)
8573 (unless (car (symbol-value node))
8574 ;; These threads have no parents -- they are roots.
8575 (let ((nodes (cdr (symbol-value node)))
8576 thread)
8577 (while nodes
8578 (if (and gnus-thread-expunge-below
8579 (< (gnus-thread-total-score (car nodes))
8580 gnus-thread-expunge-below))
8581 (gnus-expunge-thread (pop nodes))
8582 (setq thread (pop nodes))
8583 (gnus-summary-limit-children thread))))))
8584 gnus-newsgroup-dependencies)
8585 ;; If this limitation resulted in an empty group, we might
8586 ;; pop the previous limit and use it instead.
8587 (when (and (not gnus-newsgroup-limit)
8588 show-if-empty)
8589 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8590 gnus-newsgroup-limit))
8592 (defun gnus-summary-limit-children (thread)
8593 "Return 1 if this subthread is visible and 0 if it is not."
8594 ;; First we get the number of visible children to this thread. This
8595 ;; is done by recursing down the thread using this function, so this
8596 ;; will really go down to a leaf article first, before slowly
8597 ;; working its way up towards the root.
8598 (when thread
8599 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8600 (children
8601 (if (cdr thread)
8602 (apply '+ (mapcar 'gnus-summary-limit-children
8603 (cdr thread)))
8605 (number (mail-header-number (car thread)))
8606 score)
8607 (if (and
8608 (not (memq number gnus-newsgroup-marked))
8610 ;; If this article is dormant and has absolutely no visible
8611 ;; children, then this article isn't visible.
8612 (and (memq number gnus-newsgroup-dormant)
8613 (zerop children))
8614 ;; If this is "fetch-old-headered" and there is no
8615 ;; visible children, then we don't want this article.
8616 (and (or (eq gnus-fetch-old-headers 'some)
8617 (numberp gnus-fetch-old-headers))
8618 (gnus-summary-article-ancient-p number)
8619 (zerop children))
8620 ;; If this is "fetch-old-headered" and `invisible', then
8621 ;; we don't want this article.
8622 (and (eq gnus-fetch-old-headers 'invisible)
8623 (gnus-summary-article-ancient-p number))
8624 ;; If this is a sparsely inserted article with no children,
8625 ;; we don't want it.
8626 (and (eq gnus-build-sparse-threads 'some)
8627 (gnus-summary-article-sparse-p number)
8628 (zerop children))
8629 ;; If we use expunging, and this article is really
8630 ;; low-scored, then we don't want this article.
8631 (when (and gnus-summary-expunge-below
8632 (< (setq score
8633 (or (cdr (assq number gnus-newsgroup-scored))
8634 gnus-summary-default-score))
8635 gnus-summary-expunge-below))
8636 ;; We increase the expunge-tally here, but that has
8637 ;; nothing to do with the limits, really.
8638 (incf gnus-newsgroup-expunged-tally)
8639 ;; We also mark as read here, if that's wanted.
8640 (when (and gnus-summary-mark-below
8641 (< score gnus-summary-mark-below))
8642 (setq gnus-newsgroup-unreads
8643 (delq number gnus-newsgroup-unreads))
8644 (if gnus-newsgroup-auto-expire
8645 (push number gnus-newsgroup-expirable)
8646 (push (cons number gnus-low-score-mark)
8647 gnus-newsgroup-reads)))
8649 ;; Do the `display' group parameter.
8650 (and gnus-newsgroup-display
8651 (not (funcall gnus-newsgroup-display)))
8652 ;; Check NoCeM things.
8653 (when (and gnus-use-nocem
8654 (gnus-nocem-unwanted-article-p
8655 (mail-header-id (car thread))))
8656 (setq gnus-newsgroup-unreads
8657 (delq number gnus-newsgroup-unreads))
8658 t)))
8659 ;; Nope, invisible article.
8661 ;; Ok, this article is to be visible, so we add it to the limit
8662 ;; and return 1.
8663 (push number gnus-newsgroup-limit)
8664 1))))
8666 (defun gnus-expunge-thread (thread)
8667 "Mark all articles in THREAD as read."
8668 (let* ((number (mail-header-number (car thread))))
8669 (incf gnus-newsgroup-expunged-tally)
8670 ;; We also mark as read here, if that's wanted.
8671 (setq gnus-newsgroup-unreads
8672 (delq number gnus-newsgroup-unreads))
8673 (if gnus-newsgroup-auto-expire
8674 (push number gnus-newsgroup-expirable)
8675 (push (cons number gnus-low-score-mark)
8676 gnus-newsgroup-reads)))
8677 ;; Go recursively through all subthreads.
8678 (mapcar 'gnus-expunge-thread (cdr thread)))
8680 ;; Summary article oriented commands
8682 (defun gnus-summary-refer-parent-article (n)
8683 "Refer parent article N times.
8684 If N is negative, go to ancestor -N instead.
8685 The difference between N and the number of articles fetched is returned."
8686 (interactive "p")
8687 (let ((skip 1)
8688 error header ref)
8689 (when (not (natnump n))
8690 (setq skip (abs n)
8691 n 1))
8692 (while (and (> n 0)
8693 (not error))
8694 (setq header (gnus-summary-article-header))
8695 (if (and (eq (mail-header-number header)
8696 (cdr gnus-article-current))
8697 (equal gnus-newsgroup-name
8698 (car gnus-article-current)))
8699 ;; If we try to find the parent of the currently
8700 ;; displayed article, then we take a look at the actual
8701 ;; References header, since this is slightly more
8702 ;; reliable than the References field we got from the
8703 ;; server.
8704 (save-excursion
8705 (set-buffer gnus-original-article-buffer)
8706 (nnheader-narrow-to-headers)
8707 (unless (setq ref (message-fetch-field "references"))
8708 (when (setq ref (message-fetch-field "in-reply-to"))
8709 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8710 (widen))
8711 (setq ref
8712 ;; It's not the current article, so we take a bet on
8713 ;; the value we got from the server.
8714 (mail-header-references header)))
8715 (if (and ref
8716 (not (equal ref "")))
8717 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8718 (gnus-message 1 "Couldn't find parent"))
8719 (gnus-message 1 "No references in article %d"
8720 (gnus-summary-article-number))
8721 (setq error t))
8722 (decf n))
8723 (gnus-summary-position-point)
8726 (defun gnus-summary-refer-references ()
8727 "Fetch all articles mentioned in the References header.
8728 Return the number of articles fetched."
8729 (interactive)
8730 (let ((ref (mail-header-references (gnus-summary-article-header)))
8731 (current (gnus-summary-article-number))
8732 (n 0))
8733 (if (or (not ref)
8734 (equal ref ""))
8735 (error "No References in the current article")
8736 ;; For each Message-ID in the References header...
8737 (while (string-match "<[^>]*>" ref)
8738 (incf n)
8739 ;; ... fetch that article.
8740 (gnus-summary-refer-article
8741 (prog1 (match-string 0 ref)
8742 (setq ref (substring ref (match-end 0))))))
8743 (gnus-summary-goto-subject current)
8744 (gnus-summary-position-point)
8745 n)))
8747 (defun gnus-summary-refer-thread (&optional limit)
8748 "Fetch all articles in the current thread.
8749 If LIMIT (the numerical prefix), fetch that many old headers instead
8750 of what's specified by the `gnus-refer-thread-limit' variable."
8751 (interactive "P")
8752 (let ((id (mail-header-id (gnus-summary-article-header)))
8753 (limit (if limit (prefix-numeric-value limit)
8754 gnus-refer-thread-limit)))
8755 (unless (eq gnus-fetch-old-headers 'invisible)
8756 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8757 ;; Retrieve the headers and read them in.
8758 (if (eq (if (numberp limit)
8759 (gnus-retrieve-headers
8760 (list (min
8761 (+ (mail-header-number
8762 (gnus-summary-article-header))
8763 limit)
8764 gnus-newsgroup-end))
8765 gnus-newsgroup-name (* limit 2))
8766 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8767 ;; headers.
8768 (gnus-retrieve-headers (list gnus-newsgroup-end)
8769 gnus-newsgroup-name limit))
8770 'nov)
8771 (gnus-build-all-threads)
8772 (error "Can't fetch thread from back ends that don't support NOV"))
8773 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8774 (gnus-summary-limit-include-thread id)))
8776 (defun gnus-summary-refer-article (message-id)
8777 "Fetch an article specified by MESSAGE-ID."
8778 (interactive "sMessage-ID: ")
8779 (when (and (stringp message-id)
8780 (not (zerop (length message-id))))
8781 (setq message-id (gnus-replace-in-string message-id " " ""))
8782 ;; Construct the correct Message-ID if necessary.
8783 ;; Suggested by tale@pawl.rpi.edu.
8784 (unless (string-match "^<" message-id)
8785 (setq message-id (concat "<" message-id)))
8786 (unless (string-match ">$" message-id)
8787 (setq message-id (concat message-id ">")))
8788 ;; People often post MIDs from URLs, so unhex it:
8789 (unless (string-match "@" message-id)
8790 (setq message-id (gnus-url-unhex-string message-id)))
8791 (let* ((header (gnus-id-to-header message-id))
8792 (sparse (and header
8793 (gnus-summary-article-sparse-p
8794 (mail-header-number header))
8795 (memq (mail-header-number header)
8796 gnus-newsgroup-limit)))
8797 number)
8798 (cond
8799 ;; If the article is present in the buffer we just go to it.
8800 ((and header
8801 (or (not (gnus-summary-article-sparse-p
8802 (mail-header-number header)))
8803 sparse))
8804 (prog1
8805 (gnus-summary-goto-article
8806 (mail-header-number header) nil t)
8807 (when sparse
8808 (gnus-summary-update-article (mail-header-number header)))))
8810 ;; We fetch the article.
8811 (catch 'found
8812 (dolist (gnus-override-method (gnus-refer-article-methods))
8813 (when (and (gnus-check-server gnus-override-method)
8814 ;; Fetch the header,
8815 (setq number (gnus-summary-insert-subject message-id)))
8816 ;; and display the article.
8817 (gnus-summary-select-article nil nil nil number)
8818 (throw 'found t)))
8819 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8821 (defun gnus-refer-article-methods ()
8822 "Return a list of referable methods."
8823 (cond
8824 ;; No method, so we default to current and native.
8825 ((null gnus-refer-article-method)
8826 (list gnus-current-select-method gnus-select-method))
8827 ;; Current.
8828 ((eq 'current gnus-refer-article-method)
8829 (list gnus-current-select-method))
8830 ;; List of select methods.
8831 ((not (and (symbolp (car gnus-refer-article-method))
8832 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8833 (let (out)
8834 (dolist (method gnus-refer-article-method)
8835 (push (if (eq 'current method)
8836 gnus-current-select-method
8837 method)
8838 out))
8839 (nreverse out)))
8840 ;; One single select method.
8842 (list gnus-refer-article-method))))
8844 (defun gnus-summary-edit-parameters ()
8845 "Edit the group parameters of the current group."
8846 (interactive)
8847 (gnus-group-edit-group gnus-newsgroup-name 'params))
8849 (defun gnus-summary-customize-parameters ()
8850 "Customize the group parameters of the current group."
8851 (interactive)
8852 (gnus-group-customize gnus-newsgroup-name))
8854 (defun gnus-summary-enter-digest-group (&optional force)
8855 "Enter an nndoc group based on the current article.
8856 If FORCE, force a digest interpretation. If not, try
8857 to guess what the document format is."
8858 (interactive "P")
8859 (let ((conf gnus-current-window-configuration))
8860 (save-window-excursion
8861 (save-excursion
8862 (let (gnus-article-prepare-hook
8863 gnus-display-mime-function
8864 gnus-break-pages)
8865 (gnus-summary-select-article))))
8866 (setq gnus-current-window-configuration conf)
8867 (let* ((name (format "%s-%d"
8868 (gnus-group-prefixed-name
8869 gnus-newsgroup-name (list 'nndoc ""))
8870 (with-current-buffer gnus-summary-buffer
8871 gnus-current-article)))
8872 (ogroup gnus-newsgroup-name)
8873 (params (append (gnus-info-params (gnus-get-info ogroup))
8874 (list (cons 'to-group ogroup))
8875 (list (cons 'parent-group ogroup))
8876 (list (cons 'save-article-group ogroup))))
8877 (case-fold-search t)
8878 (buf (current-buffer))
8879 dig to-address)
8880 (save-excursion
8881 (set-buffer gnus-original-article-buffer)
8882 ;; Have the digest group inherit the main mail address of
8883 ;; the parent article.
8884 (when (setq to-address (or (gnus-fetch-field "reply-to")
8885 (gnus-fetch-field "from")))
8886 (setq params
8887 (append
8888 (list (cons 'to-address
8889 (funcall gnus-decode-encoded-address-function
8890 to-address))))))
8891 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8892 (insert-buffer-substring gnus-original-article-buffer)
8893 ;; Remove lines that may lead nndoc to misinterpret the
8894 ;; document type.
8895 (narrow-to-region
8896 (goto-char (point-min))
8897 (or (search-forward "\n\n" nil t) (point)))
8898 (goto-char (point-min))
8899 (delete-matching-lines "^Path:\\|^From ")
8900 (widen))
8901 (unwind-protect
8902 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8903 (gnus-newsgroup-ephemeral-ignored-charsets
8904 gnus-newsgroup-ignored-charsets))
8905 (gnus-group-read-ephemeral-group
8906 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8907 (nndoc-article-type
8908 ,(if force 'mbox 'guess)))
8909 t nil nil nil
8910 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8911 "ADAPT")))))
8912 ;; Make all postings to this group go to the parent group.
8913 (nconc (gnus-info-params (gnus-get-info name))
8914 params)
8915 ;; Couldn't select this doc group.
8916 (switch-to-buffer buf)
8917 (gnus-set-global-variables)
8918 (gnus-configure-windows 'summary)
8919 (gnus-message 3 "Article couldn't be entered?"))
8920 (kill-buffer dig)))))
8922 (defun gnus-summary-read-document (n)
8923 "Open a new group based on the current article(s).
8924 This will allow you to read digests and other similar
8925 documents as newsgroups.
8926 Obeys the standard process/prefix convention."
8927 (interactive "P")
8928 (let* ((ogroup gnus-newsgroup-name)
8929 (params (append (gnus-info-params (gnus-get-info ogroup))
8930 (list (cons 'to-group ogroup))))
8931 group egroup groups vgroup)
8932 (dolist (article (gnus-summary-work-articles n))
8933 (setq group (format "%s-%d" gnus-newsgroup-name article))
8934 (gnus-summary-remove-process-mark article)
8935 (when (gnus-summary-display-article article)
8936 (save-excursion
8937 (with-temp-buffer
8938 (insert-buffer-substring gnus-original-article-buffer)
8939 ;; Remove some headers that may lead nndoc to make
8940 ;; the wrong guess.
8941 (message-narrow-to-head)
8942 (goto-char (point-min))
8943 (delete-matching-lines "^Path:\\|^From ")
8944 (widen)
8945 (if (setq egroup
8946 (gnus-group-read-ephemeral-group
8947 group `(nndoc ,group (nndoc-address ,(current-buffer))
8948 (nndoc-article-type guess))
8949 t nil t))
8950 (progn
8951 ;; Make all postings to this group go to the parent group.
8952 (nconc (gnus-info-params (gnus-get-info egroup))
8953 params)
8954 (push egroup groups))
8955 ;; Couldn't select this doc group.
8956 (gnus-error 3 "Article couldn't be entered"))))))
8957 ;; Now we have selected all the documents.
8958 (cond
8959 ((not groups)
8960 (error "None of the articles could be interpreted as documents"))
8961 ((gnus-group-read-ephemeral-group
8962 (setq vgroup (format
8963 "nnvirtual:%s-%s" gnus-newsgroup-name
8964 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8965 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8967 (cons (current-buffer) 'summary)))
8969 (error "Couldn't select virtual nndoc group")))))
8971 (defun gnus-summary-isearch-article (&optional regexp-p)
8972 "Do incremental search forward on the current article.
8973 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8974 (interactive "P")
8975 (gnus-summary-select-article)
8976 (gnus-configure-windows 'article)
8977 (gnus-eval-in-buffer-window gnus-article-buffer
8978 (save-restriction
8979 (widen)
8980 (isearch-forward regexp-p))))
8982 (defun gnus-summary-repeat-search-article-forward ()
8983 "Repeat the previous search forwards."
8984 (interactive)
8985 (unless gnus-last-search-regexp
8986 (error "No previous search"))
8987 (gnus-summary-search-article-forward gnus-last-search-regexp))
8989 (defun gnus-summary-repeat-search-article-backward ()
8990 "Repeat the previous search backwards."
8991 (interactive)
8992 (unless gnus-last-search-regexp
8993 (error "No previous search"))
8994 (gnus-summary-search-article-forward gnus-last-search-regexp t))
8996 (defun gnus-summary-search-article-forward (regexp &optional backward)
8997 "Search for an article containing REGEXP forward.
8998 If BACKWARD, search backward instead."
8999 (interactive
9000 (list (read-string
9001 (format "Search article %s (regexp%s): "
9002 (if current-prefix-arg "backward" "forward")
9003 (if gnus-last-search-regexp
9004 (concat ", default " gnus-last-search-regexp)
9005 "")))
9006 current-prefix-arg))
9007 (if (string-equal regexp "")
9008 (setq regexp (or gnus-last-search-regexp ""))
9009 (setq gnus-last-search-regexp regexp)
9010 (setq gnus-article-before-search gnus-current-article))
9011 ;; Intentionally set gnus-last-article.
9012 (setq gnus-last-article gnus-article-before-search)
9013 (let ((gnus-last-article gnus-last-article))
9014 (if (gnus-summary-search-article regexp backward)
9015 (gnus-summary-show-thread)
9016 (signal 'search-failed (list regexp)))))
9018 (defun gnus-summary-search-article-backward (regexp)
9019 "Search for an article containing REGEXP backward."
9020 (interactive
9021 (list (read-string
9022 (format "Search article backward (regexp%s): "
9023 (if gnus-last-search-regexp
9024 (concat ", default " gnus-last-search-regexp)
9025 "")))))
9026 (gnus-summary-search-article-forward regexp 'backward))
9028 (defun gnus-summary-search-article (regexp &optional backward)
9029 "Search for an article containing REGEXP.
9030 Optional argument BACKWARD means do search for backward.
9031 `gnus-select-article-hook' is not called during the search."
9032 ;; We have to require this here to make sure that the following
9033 ;; dynamic binding isn't shadowed by autoloading.
9034 (require 'gnus-async)
9035 (require 'gnus-art)
9036 (let ((gnus-select-article-hook nil) ;Disable hook.
9037 (gnus-article-prepare-hook nil)
9038 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9039 (gnus-use-article-prefetch nil)
9040 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9041 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9042 (gnus-visual nil)
9043 (gnus-keep-backlog nil)
9044 (gnus-break-pages nil)
9045 (gnus-summary-display-arrow nil)
9046 (gnus-updated-mode-lines nil)
9047 (gnus-auto-center-summary nil)
9048 (sum (current-buffer))
9049 (gnus-display-mime-function nil)
9050 (found nil)
9051 point)
9052 (gnus-save-hidden-threads
9053 (gnus-summary-select-article)
9054 (set-buffer gnus-article-buffer)
9055 (goto-char (window-point (get-buffer-window (current-buffer))))
9056 (when backward
9057 (forward-line -1))
9058 (while (not found)
9059 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9060 (if (if backward
9061 (re-search-backward regexp nil t)
9062 (re-search-forward regexp nil t))
9063 ;; We found the regexp.
9064 (progn
9065 (setq found 'found)
9066 (beginning-of-line)
9067 (set-window-start
9068 (get-buffer-window (current-buffer))
9069 (point))
9070 (forward-line 1)
9071 (set-window-point
9072 (get-buffer-window (current-buffer))
9073 (point))
9074 (set-buffer sum)
9075 (setq point (point)))
9076 ;; We didn't find it, so we go to the next article.
9077 (set-buffer sum)
9078 (setq found 'not)
9079 (while (eq found 'not)
9080 (if (not (if backward (gnus-summary-find-prev)
9081 (gnus-summary-find-next)))
9082 ;; No more articles.
9083 (setq found t)
9084 ;; Select the next article and adjust point.
9085 (unless (gnus-summary-article-sparse-p
9086 (gnus-summary-article-number))
9087 (setq found nil)
9088 (gnus-summary-select-article)
9089 (set-buffer gnus-article-buffer)
9090 (widen)
9091 (goto-char (if backward (point-max) (point-min))))))))
9092 (gnus-message 7 ""))
9093 ;; Return whether we found the regexp.
9094 (when (eq found 'found)
9095 (goto-char point)
9096 (gnus-summary-show-thread)
9097 (gnus-summary-goto-subject gnus-current-article)
9098 (gnus-summary-position-point)
9099 t)))
9101 (defun gnus-find-matching-articles (header regexp)
9102 "Return a list of all articles that match REGEXP on HEADER.
9103 This search includes all articles in the current group that Gnus has
9104 fetched headers for, whether they are displayed or not."
9105 (let ((articles nil)
9106 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9107 (case-fold-search t))
9108 (dolist (header gnus-newsgroup-headers)
9109 (when (string-match regexp (funcall func header))
9110 (push (mail-header-number header) articles)))
9111 (nreverse articles)))
9113 (defun gnus-summary-find-matching (header regexp &optional backward unread
9114 not-case-fold not-matching)
9115 "Return a list of all articles that match REGEXP on HEADER.
9116 The search stars on the current article and goes forwards unless
9117 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9118 If UNREAD is non-nil, only unread articles will
9119 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9120 in the comparisons. If NOT-MATCHING, return a list of all articles that
9121 not match REGEXP on HEADER."
9122 (let ((case-fold-search (not not-case-fold))
9123 articles d func)
9124 (if (consp header)
9125 (if (eq (car header) 'extra)
9126 (setq func
9127 `(lambda (h)
9128 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9129 "")))
9130 (error "%s is an invalid header" header))
9131 (unless (fboundp (intern (concat "mail-header-" header)))
9132 (error "%s is not a valid header" header))
9133 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9134 (dolist (d (if (eq backward 'all)
9135 gnus-newsgroup-data
9136 (gnus-data-find-list
9137 (gnus-summary-article-number)
9138 (gnus-data-list backward))))
9139 (when (and (or (not unread) ; We want all articles...
9140 (gnus-data-unread-p d)) ; Or just unreads.
9141 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9142 (if not-matching
9143 (not (string-match
9144 regexp
9145 (funcall func (gnus-data-header d))))
9146 (string-match regexp
9147 (funcall func (gnus-data-header d)))))
9148 (push (gnus-data-number d) articles))) ; Success!
9149 (nreverse articles)))
9151 (defun gnus-summary-execute-command (header regexp command &optional backward)
9152 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9153 If HEADER is an empty string (or nil), the match is done on the entire
9154 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9155 (interactive
9156 (list (let ((completion-ignore-case t))
9157 (completing-read
9158 "Header name: "
9159 (mapcar (lambda (header) (list (format "%s" header)))
9160 (append
9161 '("Number" "Subject" "From" "Lines" "Date"
9162 "Message-ID" "Xref" "References" "Body")
9163 gnus-extra-headers))
9164 nil 'require-match))
9165 (read-string "Regexp: ")
9166 (read-key-sequence "Command: ")
9167 current-prefix-arg))
9168 (when (equal header "Body")
9169 (setq header ""))
9170 ;; Hidden thread subtrees must be searched as well.
9171 (gnus-summary-show-all-threads)
9172 ;; We don't want to change current point nor window configuration.
9173 (save-excursion
9174 (save-window-excursion
9175 (let (gnus-visual
9176 gnus-treat-strip-trailing-blank-lines
9177 gnus-treat-strip-leading-blank-lines
9178 gnus-treat-strip-multiple-blank-lines
9179 gnus-treat-hide-boring-headers
9180 gnus-treat-fold-newsgroups
9181 gnus-article-prepare-hook)
9182 (gnus-message 6 "Executing %s..." (key-description command))
9183 ;; We'd like to execute COMMAND interactively so as to give arguments.
9184 (gnus-execute header regexp
9185 `(call-interactively ',(key-binding command))
9186 backward)
9187 (gnus-message 6 "Executing %s...done" (key-description command))))))
9189 (defun gnus-summary-beginning-of-article ()
9190 "Scroll the article back to the beginning."
9191 (interactive)
9192 (gnus-summary-select-article)
9193 (gnus-configure-windows 'article)
9194 (gnus-eval-in-buffer-window gnus-article-buffer
9195 (widen)
9196 (goto-char (point-min))
9197 (when gnus-break-pages
9198 (gnus-narrow-to-page))))
9200 (defun gnus-summary-end-of-article ()
9201 "Scroll to the end of the article."
9202 (interactive)
9203 (gnus-summary-select-article)
9204 (gnus-configure-windows 'article)
9205 (gnus-eval-in-buffer-window gnus-article-buffer
9206 (widen)
9207 (goto-char (point-max))
9208 (recenter -3)
9209 (when gnus-break-pages
9210 (when (re-search-backward page-delimiter nil t)
9211 (narrow-to-region (match-end 0) (point-max)))
9212 (gnus-narrow-to-page))))
9214 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9215 "Truncate to LEN and quote all \"(\"'s in STRING."
9216 (gnus-replace-in-string (if (and len (> (length string) len))
9217 (substring string 0 len)
9218 string)
9219 "[()]" "\\\\\\&"))
9221 (defun gnus-summary-print-article (&optional filename n)
9222 "Generate and print a PostScript image of the process-marked (mail) articles.
9224 If used interactively, print the current article if none are
9225 process-marked. With prefix arg, prompt the user for the name of the
9226 file to save in.
9228 When used from Lisp, accept two optional args FILENAME and N. N means
9229 to print the next N articles. If N is negative, print the N previous
9230 articles. If N is nil and articles have been marked with the process
9231 mark, print these instead.
9233 If the optional first argument FILENAME is nil, send the image to the
9234 printer. If FILENAME is a string, save the PostScript image in a file with
9235 that name. If FILENAME is a number, prompt the user for the name of the file
9236 to save in."
9237 (interactive (list (ps-print-preprint current-prefix-arg)))
9238 (dolist (article (gnus-summary-work-articles n))
9239 (gnus-summary-select-article nil nil 'pseudo article)
9240 (gnus-eval-in-buffer-window gnus-article-buffer
9241 (gnus-print-buffer))
9242 (gnus-summary-remove-process-mark article))
9243 (ps-despool filename))
9245 (defun gnus-print-buffer ()
9246 (let ((buffer (generate-new-buffer " *print*")))
9247 (unwind-protect
9248 (progn
9249 (copy-to-buffer buffer (point-min) (point-max))
9250 (set-buffer buffer)
9251 (gnus-remove-text-with-property 'gnus-decoration)
9252 (when (gnus-visual-p 'article-highlight 'highlight)
9253 ;; Copy-to-buffer doesn't copy overlay. So redo
9254 ;; highlight.
9255 (let ((gnus-article-buffer buffer))
9256 (gnus-article-highlight-citation t)
9257 (gnus-article-highlight-signature)
9258 (gnus-article-emphasize)
9259 (gnus-article-delete-invisible-text)))
9260 (let ((ps-left-header
9261 (list
9262 (concat "("
9263 (gnus-summary-print-truncate-and-quote
9264 (mail-header-subject gnus-current-headers)
9265 66) ")")
9266 (concat "("
9267 (gnus-summary-print-truncate-and-quote
9268 (mail-header-from gnus-current-headers)
9269 45) ")")))
9270 (ps-right-header
9271 (list
9272 "/pagenumberstring load"
9273 (concat "("
9274 (mail-header-date gnus-current-headers) ")"))))
9275 (gnus-run-hooks 'gnus-ps-print-hook)
9276 (save-excursion
9277 (if window-system
9278 (ps-spool-buffer-with-faces)
9279 (ps-spool-buffer)))))
9280 (kill-buffer buffer))))
9282 (defun gnus-summary-show-article (&optional arg)
9283 "Force redisplaying of the current article.
9284 If ARG (the prefix) is a number, show the article with the charset
9285 defined in `gnus-summary-show-article-charset-alist', or the charset
9286 input.
9287 If ARG (the prefix) is non-nil and not a number, show the raw article
9288 without any article massaging functions being run. Normally, the key
9289 strokes are `C-u g'."
9290 (interactive "P")
9291 (cond
9292 ((numberp arg)
9293 (gnus-summary-show-article t)
9294 (let ((gnus-newsgroup-charset
9295 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9296 (mm-read-coding-system
9297 "View as charset: " ;; actually it is coding system.
9298 (with-current-buffer gnus-article-buffer
9299 (mm-detect-coding-region (point) (point-max))))))
9300 (gnus-newsgroup-ignored-charsets 'gnus-all))
9301 (gnus-summary-select-article nil 'force)
9302 (let ((deps gnus-newsgroup-dependencies)
9303 head header lines)
9304 (save-excursion
9305 (set-buffer gnus-original-article-buffer)
9306 (save-restriction
9307 (message-narrow-to-head)
9308 (setq head (buffer-string))
9309 (goto-char (point-min))
9310 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9311 (goto-char (point-max))
9312 (widen)
9313 (setq lines (1- (count-lines (point) (point-max))))))
9314 (with-temp-buffer
9315 (insert (format "211 %d Article retrieved.\n"
9316 (cdr gnus-article-current)))
9317 (insert head)
9318 (if lines (insert (format "Lines: %d\n" lines)))
9319 (insert ".\n")
9320 (let ((nntp-server-buffer (current-buffer)))
9321 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9322 (gnus-data-set-header
9323 (gnus-data-find (cdr gnus-article-current))
9324 header)
9325 (gnus-summary-update-article-line
9326 (cdr gnus-article-current) header)
9327 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9328 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9329 ((not arg)
9330 ;; Select the article the normal way.
9331 (gnus-summary-select-article nil 'force))
9333 ;; We have to require this here to make sure that the following
9334 ;; dynamic binding isn't shadowed by autoloading.
9335 (require 'gnus-async)
9336 (require 'gnus-art)
9337 ;; Bind the article treatment functions to nil.
9338 (let ((gnus-have-all-headers t)
9339 gnus-article-prepare-hook
9340 gnus-article-decode-hook
9341 gnus-display-mime-function
9342 gnus-break-pages)
9343 ;; Destroy any MIME parts.
9344 (when (gnus-buffer-live-p gnus-article-buffer)
9345 (save-excursion
9346 (set-buffer gnus-article-buffer)
9347 (mm-destroy-parts gnus-article-mime-handles)
9348 ;; Set it to nil for safety reason.
9349 (setq gnus-article-mime-handle-alist nil)
9350 (setq gnus-article-mime-handles nil)))
9351 (gnus-summary-select-article nil 'force))))
9352 (gnus-summary-goto-subject gnus-current-article)
9353 (gnus-summary-position-point))
9355 (defun gnus-summary-show-raw-article ()
9356 "Show the raw article without any article massaging functions being run."
9357 (interactive)
9358 (gnus-summary-show-article t))
9360 (defun gnus-summary-verbose-headers (&optional arg)
9361 "Toggle permanent full header display.
9362 If ARG is a positive number, turn header display on.
9363 If ARG is a negative number, turn header display off."
9364 (interactive "P")
9365 (setq gnus-show-all-headers
9366 (cond ((or (not (numberp arg))
9367 (zerop arg))
9368 (not gnus-show-all-headers))
9369 ((natnump arg)
9370 t)))
9371 (gnus-summary-show-article))
9373 (defun gnus-summary-toggle-header (&optional arg)
9374 "Show the headers if they are hidden, or hide them if they are shown.
9375 If ARG is a positive number, show the entire header.
9376 If ARG is a negative number, hide the unwanted header lines."
9377 (interactive "P")
9378 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9379 (get-buffer-window gnus-article-buffer t))))
9380 (with-current-buffer gnus-article-buffer
9381 (widen)
9382 (article-narrow-to-head)
9383 (let* ((buffer-read-only nil)
9384 (inhibit-point-motion-hooks t)
9385 (hidden (if (numberp arg)
9386 (>= arg 0)
9387 (or (not (looking-at "[^ \t\n]+:"))
9388 (gnus-article-hidden-text-p 'headers))))
9389 s e)
9390 (delete-region (point-min) (point-max))
9391 (with-current-buffer gnus-original-article-buffer
9392 (goto-char (setq s (point-min)))
9393 (setq e (if (search-forward "\n\n" nil t)
9394 (1- (point))
9395 (point-max))))
9396 (insert-buffer-substring gnus-original-article-buffer s e)
9397 (run-hooks 'gnus-article-decode-hook)
9398 (if hidden
9399 (let ((gnus-treat-hide-headers nil)
9400 (gnus-treat-hide-boring-headers nil))
9401 (gnus-delete-wash-type 'headers)
9402 (gnus-treat-article 'head))
9403 (gnus-treat-article 'head))
9404 (widen)
9405 (if window
9406 (set-window-start window (goto-char (point-min))))
9407 (if gnus-break-pages
9408 (gnus-narrow-to-page)
9409 (when (gnus-visual-p 'page-marker)
9410 (let ((buffer-read-only nil))
9411 (gnus-remove-text-with-property 'gnus-prev)
9412 (gnus-remove-text-with-property 'gnus-next))))
9413 (gnus-set-mode-line 'article)))))
9415 (defun gnus-summary-show-all-headers ()
9416 "Make all header lines visible."
9417 (interactive)
9418 (gnus-summary-toggle-header 1))
9420 (defun gnus-summary-caesar-message (&optional arg)
9421 "Caesar rotate the current article by 13.
9422 With a non-numerical prefix, also rotate headers. A numerical
9423 prefix specifies how many places to rotate each letter forward."
9424 (interactive "P")
9425 (gnus-summary-select-article)
9426 (let ((mail-header-separator ""))
9427 (gnus-eval-in-buffer-window gnus-article-buffer
9428 (save-restriction
9429 (widen)
9430 (let ((start (window-start))
9431 buffer-read-only)
9432 (if (equal arg '(4))
9433 (message-caesar-buffer-body nil t)
9434 (message-caesar-buffer-body arg))
9435 (set-window-start (get-buffer-window (current-buffer)) start)))))
9436 ;; Create buttons and stuff...
9437 (gnus-treat-article nil))
9439 (defun gnus-summary-idna-message (&optional arg)
9440 "Decode IDNA encoded domain names in the current articles.
9441 IDNA encoded domain names looks like `xn--bar'. If a string
9442 remain unencoded after running this function, it is likely an
9443 invalid IDNA string (`xn--bar' is invalid).
9445 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9446 installed for this command to work."
9447 (interactive "P")
9448 (if (not (and (condition-case nil (require 'idna)
9449 (file-error))
9450 (mm-coding-system-p 'utf-8)
9451 (executable-find (symbol-value 'idna-program))))
9452 (gnus-message
9453 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9454 (gnus-summary-select-article)
9455 (let ((mail-header-separator ""))
9456 (gnus-eval-in-buffer-window gnus-article-buffer
9457 (save-restriction
9458 (widen)
9459 (let ((start (window-start))
9460 buffer-read-only)
9461 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9462 (replace-match (idna-to-unicode (match-string 1))))
9463 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9465 (defun gnus-summary-morse-message (&optional arg)
9466 "Morse decode the current article."
9467 (interactive "P")
9468 (gnus-summary-select-article)
9469 (let ((mail-header-separator ""))
9470 (gnus-eval-in-buffer-window gnus-article-buffer
9471 (save-excursion
9472 (save-restriction
9473 (widen)
9474 (let ((pos (window-start))
9475 buffer-read-only)
9476 (goto-char (point-min))
9477 (when (message-goto-body)
9478 (gnus-narrow-to-body))
9479 (goto-char (point-min))
9480 (while (search-forward "·" (point-max) t)
9481 (replace-match "."))
9482 (unmorse-region (point-min) (point-max))
9483 (widen)
9484 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9486 (defun gnus-summary-stop-page-breaking ()
9487 "Stop page breaking in the current article."
9488 (interactive)
9489 (gnus-summary-select-article)
9490 (gnus-eval-in-buffer-window gnus-article-buffer
9491 (widen)
9492 (when (gnus-visual-p 'page-marker)
9493 (let ((buffer-read-only nil))
9494 (gnus-remove-text-with-property 'gnus-prev)
9495 (gnus-remove-text-with-property 'gnus-next))
9496 (setq gnus-page-broken nil))))
9498 (defun gnus-summary-move-article (&optional n to-newsgroup
9499 select-method action)
9500 "Move the current article to a different newsgroup.
9501 If N is a positive number, move the N next articles.
9502 If N is a negative number, move the N previous articles.
9503 If N is nil and any articles have been marked with the process mark,
9504 move those articles instead.
9505 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9506 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9507 re-spool using this method.
9509 When called interactively with TO-NEWSGROUP being nil, the value of
9510 the variable `gnus-move-split-methods' is used for finding a default
9511 for the target newsgroup.
9513 For this function to work, both the current newsgroup and the
9514 newsgroup that you want to move to have to support the `request-move'
9515 and `request-accept' functions.
9517 ACTION can be either `move' (the default), `crosspost' or `copy'."
9518 (interactive "P")
9519 (unless action
9520 (setq action 'move))
9521 ;; Check whether the source group supports the required functions.
9522 (cond ((and (eq action 'move)
9523 (not (gnus-check-backend-function
9524 'request-move-article gnus-newsgroup-name)))
9525 (error "The current group does not support article moving"))
9526 ((and (eq action 'crosspost)
9527 (not (gnus-check-backend-function
9528 'request-replace-article gnus-newsgroup-name)))
9529 (error "The current group does not support article editing")))
9530 (let ((articles (gnus-summary-work-articles n))
9531 (prefix (if (gnus-check-backend-function
9532 'request-move-article gnus-newsgroup-name)
9533 (funcall gnus-move-group-prefix-function
9534 gnus-newsgroup-name)
9535 ""))
9536 (names '((move "Move" "Moving")
9537 (copy "Copy" "Copying")
9538 (crosspost "Crosspost" "Crossposting")))
9539 (copy-buf (save-excursion
9540 (nnheader-set-temp-buffer " *copy article*")))
9541 art-group to-method new-xref article to-groups
9542 articles-to-update-marks encoded)
9543 (unless (assq action names)
9544 (error "Unknown action %s" action))
9545 ;; Read the newsgroup name.
9546 (when (and (not to-newsgroup)
9547 (not select-method))
9548 (if (and gnus-move-split-methods
9549 (not
9550 (and (memq gnus-current-article articles)
9551 (gnus-buffer-live-p gnus-original-article-buffer))))
9552 ;; When `gnus-move-split-methods' is non-nil, we have to
9553 ;; select an article to give `gnus-read-move-group-name' an
9554 ;; opportunity to suggest an appropriate default. However,
9555 ;; we needn't render or mark the article.
9556 (let ((gnus-display-mime-function nil)
9557 (gnus-article-prepare-hook nil)
9558 (gnus-mark-article-hook nil))
9559 (gnus-summary-select-article nil nil nil (car articles))))
9560 (setq to-newsgroup (gnus-read-move-group-name
9561 (cadr (assq action names))
9562 (symbol-value
9563 (intern (format "gnus-current-%s-group" action)))
9564 articles prefix)
9565 encoded to-newsgroup
9566 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9567 (set (intern (format "gnus-current-%s-group" action))
9568 (mm-decode-coding-string
9569 to-newsgroup
9570 (gnus-group-name-charset to-method to-newsgroup))))
9571 (unless to-method
9572 (setq to-method (or select-method
9573 (gnus-server-to-method
9574 (gnus-group-method to-newsgroup)))))
9575 (setq to-newsgroup
9576 (or encoded
9577 (and to-newsgroup
9578 (mm-encode-coding-string
9579 to-newsgroup
9580 (gnus-group-name-charset to-method to-newsgroup)))))
9581 ;; Check the method we are to move this article to...
9582 (unless (gnus-check-backend-function
9583 'request-accept-article (car to-method))
9584 (error "%s does not support article copying" (car to-method)))
9585 (unless (gnus-check-server to-method)
9586 (error "Can't open server %s" (car to-method)))
9587 (gnus-message 6 "%s to %s: %s..."
9588 (caddr (assq action names))
9589 (or (car select-method)
9590 (gnus-group-decoded-name to-newsgroup))
9591 articles)
9592 (while articles
9593 (setq article (pop articles))
9594 (setq
9595 art-group
9596 (cond
9597 ;; Move the article.
9598 ((eq action 'move)
9599 ;; Remove this article from future suppression.
9600 (gnus-dup-unsuppress-article article)
9601 (let* ((from-method (gnus-find-method-for-group
9602 gnus-newsgroup-name))
9603 (to-method (or select-method
9604 (gnus-find-method-for-group to-newsgroup)))
9605 (move-is-internal (gnus-method-equal from-method to-method)))
9606 (gnus-request-move-article
9607 article ; Article to move
9608 gnus-newsgroup-name ; From newsgroup
9609 (nth 1 (gnus-find-method-for-group
9610 gnus-newsgroup-name)) ; Server
9611 (list 'gnus-request-accept-article
9612 to-newsgroup (list 'quote select-method)
9613 (not articles) t) ; Accept form
9614 (not articles) ; Only save nov last time
9615 move-is-internal))) ; is this move internal?
9616 ;; Copy the article.
9617 ((eq action 'copy)
9618 (save-excursion
9619 (set-buffer copy-buf)
9620 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9621 (save-restriction
9622 (nnheader-narrow-to-headers)
9623 (dolist (hdr gnus-copy-article-ignored-headers)
9624 (message-remove-header hdr t)))
9625 (gnus-request-accept-article
9626 to-newsgroup select-method (not articles) t))))
9627 ;; Crosspost the article.
9628 ((eq action 'crosspost)
9629 (let ((xref (message-tokenize-header
9630 (mail-header-xref (gnus-summary-article-header article))
9631 " ")))
9632 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9633 ":" (number-to-string article)))
9634 (unless xref
9635 (setq xref (list (system-name))))
9636 (setq new-xref
9637 (concat
9638 (mapconcat 'identity
9639 (delete "Xref:" (delete new-xref xref))
9640 " ")
9641 " " new-xref))
9642 (save-excursion
9643 (set-buffer copy-buf)
9644 ;; First put the article in the destination group.
9645 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9646 (when (consp (setq art-group
9647 (gnus-request-accept-article
9648 to-newsgroup select-method (not articles) t)))
9649 (setq new-xref (concat new-xref " " (car art-group)
9651 (number-to-string (cdr art-group))))
9652 ;; Now we have the new Xrefs header, so we insert
9653 ;; it and replace the new article.
9654 (nnheader-replace-header "Xref" new-xref)
9655 (gnus-request-replace-article
9656 (cdr art-group) to-newsgroup (current-buffer) t)
9657 art-group))))))
9658 (cond
9659 ((not art-group)
9660 (gnus-message 1 "Couldn't %s article %s: %s"
9661 (cadr (assq action names)) article
9662 (nnheader-get-report (car to-method))))
9663 ((eq art-group 'junk)
9664 (when (eq action 'move)
9665 (gnus-summary-mark-article article gnus-canceled-mark)
9666 (gnus-message 4 "Deleted article %s" article)
9667 ;; run the delete hook
9668 (run-hook-with-args 'gnus-summary-article-delete-hook
9669 action
9670 (gnus-data-header
9671 (assoc article (gnus-data-list nil)))
9672 gnus-newsgroup-name nil
9673 select-method)))
9675 (let* ((pto-group (gnus-group-prefixed-name
9676 (car art-group) to-method))
9677 (info (gnus-get-info pto-group))
9678 (to-group (gnus-info-group info))
9679 to-marks)
9680 ;; Update the group that has been moved to.
9681 (when (and info
9682 (memq action '(move copy)))
9683 (unless (member to-group to-groups)
9684 (push to-group to-groups))
9686 (unless (memq article gnus-newsgroup-unreads)
9687 (push 'read to-marks)
9688 (gnus-info-set-read
9689 info (gnus-add-to-range (gnus-info-read info)
9690 (list (cdr art-group)))))
9692 ;; See whether the article is to be put in the cache.
9693 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9694 gnus-article-mark-lists
9695 (delete '(expirable . expire)
9696 (copy-sequence gnus-article-mark-lists))))
9697 (to-article (cdr art-group)))
9699 ;; Enter the article into the cache in the new group,
9700 ;; if that is required.
9701 (when gnus-use-cache
9702 (gnus-cache-possibly-enter-article
9703 to-group to-article
9704 (memq article gnus-newsgroup-marked)
9705 (memq article gnus-newsgroup-dormant)
9706 (memq article gnus-newsgroup-unreads)))
9708 (when gnus-preserve-marks
9709 ;; Copy any marks over to the new group.
9710 (when (and (equal to-group gnus-newsgroup-name)
9711 (not (memq article gnus-newsgroup-unreads)))
9712 ;; Mark this article as read in this group.
9713 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9714 (setcdr (gnus-active to-group) to-article)
9715 (setcdr gnus-newsgroup-active to-article))
9717 (while marks
9718 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9719 (when (memq article (symbol-value
9720 (intern (format "gnus-newsgroup-%s"
9721 (caar marks)))))
9722 (push (cdar marks) to-marks)
9723 ;; If the other group is the same as this group,
9724 ;; then we have to add the mark to the list.
9725 (when (equal to-group gnus-newsgroup-name)
9726 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9727 (cons to-article
9728 (symbol-value
9729 (intern (format "gnus-newsgroup-%s"
9730 (caar marks)))))))
9731 ;; Copy the marks to other group.
9732 (gnus-add-marked-articles
9733 to-group (cdar marks) (list to-article) info)))
9734 (setq marks (cdr marks)))
9736 (gnus-request-set-mark
9737 to-group (list (list (list to-article) 'add to-marks))))
9739 (gnus-dribble-enter
9740 (concat "(gnus-group-set-info '"
9741 (gnus-prin1-to-string (gnus-get-info to-group))
9742 ")"))))
9744 ;; Update the Xref header in this article to point to
9745 ;; the new crossposted article we have just created.
9746 (when (eq action 'crosspost)
9747 (save-excursion
9748 (set-buffer copy-buf)
9749 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9750 (nnheader-replace-header "Xref" new-xref)
9751 (gnus-request-replace-article
9752 article gnus-newsgroup-name (current-buffer) t)))
9754 ;; run the move/copy/crosspost/respool hook
9755 (run-hook-with-args 'gnus-summary-article-move-hook
9756 action
9757 (gnus-data-header
9758 (assoc article (gnus-data-list nil)))
9759 gnus-newsgroup-name
9760 to-newsgroup
9761 select-method))
9763 ;;;!!!Why is this necessary?
9764 (set-buffer gnus-summary-buffer)
9766 (gnus-summary-goto-subject article)
9767 (when (eq action 'move)
9768 (gnus-summary-mark-article article gnus-canceled-mark))))
9769 (push article articles-to-update-marks))
9771 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9772 ;; Re-activate all groups that have been moved to.
9773 (save-excursion
9774 (set-buffer gnus-group-buffer)
9775 (let ((gnus-group-marked to-groups))
9776 (gnus-group-get-new-news-this-group nil t)))
9778 (gnus-kill-buffer copy-buf)
9779 (gnus-summary-position-point)
9780 (gnus-set-mode-line 'summary)))
9782 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9783 "Copy the current article to some other group.
9784 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9785 When called interactively, if TO-NEWSGROUP is nil, use the value of
9786 the variable `gnus-move-split-methods' for finding a default target
9787 newsgroup.
9788 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9789 re-spool using this method."
9790 (interactive "P")
9791 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9793 (defun gnus-summary-crosspost-article (&optional n)
9794 "Crosspost the current article to some other group."
9795 (interactive "P")
9796 (gnus-summary-move-article n nil nil 'crosspost))
9798 (defcustom gnus-summary-respool-default-method nil
9799 "Default method type for respooling an article.
9800 If nil, use to the current newsgroup method."
9801 :type 'symbol
9802 :group 'gnus-summary-mail)
9804 (defcustom gnus-summary-display-while-building nil
9805 "If non-nil, show and update the summary buffer as it's being built.
9806 If the value is t, update the buffer after every line is inserted. If
9807 the value is an integer (N), update the display every N lines."
9808 :version "22.1"
9809 :group 'gnus-thread
9810 :type '(choice (const :tag "off" nil)
9811 number
9812 (const :tag "frequently" t)))
9814 (defun gnus-summary-respool-article (&optional n method)
9815 "Respool the current article.
9816 The article will be squeezed through the mail spooling process again,
9817 which means that it will be put in some mail newsgroup or other
9818 depending on `nnmail-split-methods'.
9819 If N is a positive number, respool the N next articles.
9820 If N is a negative number, respool the N previous articles.
9821 If N is nil and any articles have been marked with the process mark,
9822 respool those articles instead.
9824 Respooling can be done both from mail groups and \"real\" newsgroups.
9825 In the former case, the articles in question will be moved from the
9826 current group into whatever groups they are destined to. In the
9827 latter case, they will be copied into the relevant groups."
9828 (interactive
9829 (list current-prefix-arg
9830 (let* ((methods (gnus-methods-using 'respool))
9831 (methname
9832 (symbol-name (or gnus-summary-respool-default-method
9833 (car (gnus-find-method-for-group
9834 gnus-newsgroup-name)))))
9835 (method
9836 (gnus-completing-read-with-default
9837 methname "Backend to use when respooling"
9838 methods nil t nil 'gnus-mail-method-history))
9840 (cond
9841 ((zerop (length (setq ms (gnus-servers-using-backend
9842 (intern method)))))
9843 (list (intern method) ""))
9844 ((= 1 (length ms))
9845 (car ms))
9847 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9848 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9849 ms-alist))))))))
9850 (unless method
9851 (error "No method given for respooling"))
9852 (if (assoc (symbol-name
9853 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9854 (gnus-methods-using 'respool))
9855 (gnus-summary-move-article n nil method)
9856 (gnus-summary-copy-article n nil method)))
9858 (defun gnus-summary-import-article (file &optional edit)
9859 "Import an arbitrary file into a mail newsgroup."
9860 (interactive "fImport file: \nP")
9861 (let ((group gnus-newsgroup-name)
9862 (now (current-time))
9863 atts lines group-art)
9864 (unless (gnus-check-backend-function 'request-accept-article group)
9865 (error "%s does not support article importing" group))
9866 (or (file-readable-p file)
9867 (not (file-regular-p file))
9868 (error "Can't read %s" file))
9869 (save-excursion
9870 (set-buffer (gnus-get-buffer-create " *import file*"))
9871 (erase-buffer)
9872 (nnheader-insert-file-contents file)
9873 (goto-char (point-min))
9874 (if (nnheader-article-p)
9875 (save-restriction
9876 (goto-char (point-min))
9877 (search-forward "\n\n" nil t)
9878 (narrow-to-region (point-min) (1- (point)))
9879 (goto-char (point-min))
9880 (unless (re-search-forward "^date:" nil t)
9881 (goto-char (point-max))
9882 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9883 ;; This doesn't look like an article, so we fudge some headers.
9884 (setq atts (file-attributes file)
9885 lines (count-lines (point-min) (point-max)))
9886 (insert "From: " (read-string "From: ") "\n"
9887 "Subject: " (read-string "Subject: ") "\n"
9888 "Date: " (message-make-date (nth 5 atts)) "\n"
9889 "Message-ID: " (message-make-message-id) "\n"
9890 "Lines: " (int-to-string lines) "\n"
9891 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9892 (setq group-art (gnus-request-accept-article group nil t))
9893 (kill-buffer (current-buffer)))
9894 (setq gnus-newsgroup-active (gnus-activate-group group))
9895 (forward-line 1)
9896 (gnus-summary-goto-article (cdr group-art) nil t)
9897 (when edit
9898 (gnus-summary-edit-article))))
9900 (defun gnus-summary-create-article ()
9901 "Create an article in a mail newsgroup."
9902 (interactive)
9903 (let ((group gnus-newsgroup-name)
9904 (now (current-time))
9905 group-art)
9906 (unless (gnus-check-backend-function 'request-accept-article group)
9907 (error "%s does not support article importing" group))
9908 (save-excursion
9909 (set-buffer (gnus-get-buffer-create " *import file*"))
9910 (erase-buffer)
9911 (goto-char (point-min))
9912 ;; This doesn't look like an article, so we fudge some headers.
9913 (insert "From: " (read-string "From: ") "\n"
9914 "Subject: " (read-string "Subject: ") "\n"
9915 "Date: " (message-make-date now) "\n"
9916 "Message-ID: " (message-make-message-id) "\n")
9917 (setq group-art (gnus-request-accept-article group nil t))
9918 (kill-buffer (current-buffer)))
9919 (setq gnus-newsgroup-active (gnus-activate-group group))
9920 (forward-line 1)
9921 (gnus-summary-goto-article (cdr group-art) nil t)
9922 (gnus-summary-edit-article)))
9924 (defun gnus-summary-article-posted-p ()
9925 "Say whether the current (mail) article is available from news as well.
9926 This will be the case if the article has both been mailed and posted."
9927 (interactive)
9928 (let ((id (mail-header-references (gnus-summary-article-header)))
9929 (gnus-override-method (car (gnus-refer-article-methods))))
9930 (if (gnus-request-head id "")
9931 (gnus-message 2 "The current message was found on %s"
9932 gnus-override-method)
9933 (gnus-message 2 "The current message couldn't be found on %s"
9934 gnus-override-method)
9935 nil)))
9937 (defun gnus-summary-expire-articles (&optional now)
9938 "Expire all articles that are marked as expirable in the current group."
9939 (interactive)
9940 (when (and (not gnus-group-is-exiting-without-update-p)
9941 (gnus-check-backend-function
9942 'request-expire-articles gnus-newsgroup-name))
9943 ;; This backend supports expiry.
9944 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9945 (expirable (if total
9946 (progn
9947 ;; We need to update the info for
9948 ;; this group for `gnus-list-of-read-articles'
9949 ;; to give us the right answer.
9950 (gnus-run-hooks 'gnus-exit-group-hook)
9951 (gnus-summary-update-info)
9952 (gnus-list-of-read-articles gnus-newsgroup-name))
9953 (setq gnus-newsgroup-expirable
9954 (sort gnus-newsgroup-expirable '<))))
9955 (expiry-wait (if now 'immediate
9956 (gnus-group-find-parameter
9957 gnus-newsgroup-name 'expiry-wait)))
9958 (nnmail-expiry-target
9959 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9960 nnmail-expiry-target))
9962 (when expirable
9963 ;; There are expirable articles in this group, so we run them
9964 ;; through the expiry process.
9965 (gnus-message 6 "Expiring articles...")
9966 (unless (gnus-check-group gnus-newsgroup-name)
9967 (error "Can't open server for %s" gnus-newsgroup-name))
9968 ;; The list of articles that weren't expired is returned.
9969 (save-excursion
9970 (if expiry-wait
9971 (let ((nnmail-expiry-wait-function nil)
9972 (nnmail-expiry-wait expiry-wait))
9973 (setq es (gnus-request-expire-articles
9974 expirable gnus-newsgroup-name)))
9975 (setq es (gnus-request-expire-articles
9976 expirable gnus-newsgroup-name)))
9977 (unless total
9978 (setq gnus-newsgroup-expirable es))
9979 ;; We go through the old list of expirable, and mark all
9980 ;; really expired articles as nonexistent.
9981 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9982 (let ((gnus-use-cache nil))
9983 (dolist (article expirable)
9984 (when (and (not (memq article es))
9985 (gnus-data-find article))
9986 (gnus-summary-mark-article article gnus-canceled-mark)
9987 (run-hook-with-args 'gnus-summary-article-expire-hook
9988 'delete
9989 (gnus-data-header
9990 (assoc article (gnus-data-list nil)))
9991 gnus-newsgroup-name
9993 nil))))))
9994 (gnus-message 6 "Expiring articles...done")))))
9996 (defun gnus-summary-expire-articles-now ()
9997 "Expunge all expirable articles in the current group.
9998 This means that *all* articles that are marked as expirable will be
9999 deleted forever, right now."
10000 (interactive)
10001 (or gnus-expert-user
10002 (gnus-yes-or-no-p
10003 "Are you really, really sure you want to delete all expirable messages? ")
10004 (error "Phew!"))
10005 (gnus-summary-expire-articles t))
10007 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10008 (defun gnus-summary-delete-article (&optional n)
10009 "Delete the N next (mail) articles.
10010 This command actually deletes articles. This is not a marking
10011 command. The article will disappear forever from your life, never to
10012 return.
10014 If N is negative, delete backwards.
10015 If N is nil and articles have been marked with the process mark,
10016 delete these instead.
10018 If `gnus-novice-user' is non-nil you will be asked for
10019 confirmation before the articles are deleted."
10020 (interactive "P")
10021 (unless (gnus-check-backend-function 'request-expire-articles
10022 gnus-newsgroup-name)
10023 (error "The current newsgroup does not support article deletion"))
10024 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10025 (error "Couldn't open server"))
10026 ;; Compute the list of articles to delete.
10027 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10028 (nnmail-expiry-target 'delete)
10029 not-deleted)
10030 (if (and gnus-novice-user
10031 (not (gnus-yes-or-no-p
10032 (format "Do you really want to delete %s forever? "
10033 (if (> (length articles) 1)
10034 (format "these %s articles" (length articles))
10035 "this article")))))
10037 ;; Delete the articles.
10038 (setq not-deleted (gnus-request-expire-articles
10039 articles gnus-newsgroup-name 'force))
10040 (while articles
10041 (gnus-summary-remove-process-mark (car articles))
10042 ;; The backend might not have been able to delete the article
10043 ;; after all.
10044 (unless (memq (car articles) not-deleted)
10045 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
10046 (let* ((article (car articles))
10047 (ghead (gnus-data-header
10048 (assoc article (gnus-data-list nil)))))
10049 (run-hook-with-args 'gnus-summary-article-delete-hook
10050 'delete ghead gnus-newsgroup-name nil
10051 nil))
10052 (setq articles (cdr articles)))
10053 (when not-deleted
10054 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10055 (gnus-summary-position-point)
10056 (gnus-set-mode-line 'summary)
10057 not-deleted))
10059 (defun gnus-summary-edit-article (&optional arg)
10060 "Edit the current article.
10061 This will have permanent effect only in mail groups.
10062 If ARG is nil, edit the decoded articles.
10063 If ARG is 1, edit the raw articles.
10064 If ARG is 2, edit the raw articles even in read-only groups.
10065 If ARG is 3, edit the articles with the current handles.
10066 Otherwise, allow editing of articles even in read-only
10067 groups."
10068 (interactive "P")
10069 (let (force raw current-handles)
10070 (cond
10071 ((null arg))
10072 ((eq arg 1)
10073 (setq raw t))
10074 ((eq arg 2)
10075 (setq raw t
10076 force t))
10077 ((eq arg 3)
10078 (setq current-handles
10079 (and (gnus-buffer-live-p gnus-article-buffer)
10080 (with-current-buffer gnus-article-buffer
10081 (prog1
10082 gnus-article-mime-handles
10083 (setq gnus-article-mime-handles nil))))))
10085 (setq force t)))
10086 (when (and raw (not force)
10087 (member gnus-newsgroup-name '("nndraft:delayed"
10088 "nndraft:drafts"
10089 "nndraft:queue")))
10090 (error "Can't edit the raw article in group %s"
10091 gnus-newsgroup-name))
10092 (save-excursion
10093 (set-buffer gnus-summary-buffer)
10094 (let ((mail-parse-charset gnus-newsgroup-charset)
10095 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10096 (gnus-set-global-variables)
10097 (when (and (not force)
10098 (gnus-group-read-only-p))
10099 (error "The current newsgroup does not support article editing"))
10100 (gnus-summary-show-article t)
10101 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10102 (with-current-buffer gnus-article-buffer
10103 (mm-enable-multibyte)))
10104 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10105 (setq raw t))
10106 (gnus-article-edit-article
10107 (if raw 'ignore
10108 `(lambda ()
10109 (let ((mbl mml-buffer-list))
10110 (setq mml-buffer-list nil)
10111 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10112 (mime-to-mml ,'current-handles))
10113 (let ((mbl1 mml-buffer-list))
10114 (setq mml-buffer-list mbl)
10115 (set (make-local-variable 'mml-buffer-list) mbl1))
10116 (gnus-make-local-hook 'kill-buffer-hook)
10117 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10118 `(lambda (no-highlight)
10119 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10120 (message-options message-options)
10121 (message-options-set-recipient)
10122 (mail-parse-ignored-charsets
10123 ',gnus-newsgroup-ignored-charsets)
10124 (rfc2047-header-encoding-alist
10125 ',(let ((charset (gnus-group-name-charset
10126 (gnus-find-method-for-group
10127 gnus-newsgroup-name)
10128 gnus-newsgroup-name)))
10129 (append (list (cons "Newsgroups" charset)
10130 (cons "Followup-To" charset)
10131 (cons "Xref" charset))
10132 rfc2047-header-encoding-alist))))
10133 ,(if (not raw) '(progn
10134 (mml-to-mime)
10135 (mml-destroy-buffers)
10136 (remove-hook 'kill-buffer-hook
10137 'mml-destroy-buffers t)
10138 (kill-local-variable 'mml-buffer-list)))
10139 (gnus-summary-edit-article-done
10140 ,(or (mail-header-references gnus-current-headers) "")
10141 ,(gnus-group-read-only-p)
10142 ,gnus-summary-buffer no-highlight))))))))
10144 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10146 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10147 no-highlight)
10148 "Make edits to the current article permanent."
10149 (interactive)
10150 (save-excursion
10151 ;; The buffer restriction contains the entire article if it exists.
10152 (when (article-goto-body)
10153 (let ((lines (count-lines (point) (point-max)))
10154 (length (- (point-max) (point)))
10155 (case-fold-search t)
10156 (body (copy-marker (point))))
10157 (goto-char (point-min))
10158 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10159 (delete-region (match-beginning 1) (match-end 1))
10160 (insert (number-to-string length)))
10161 (goto-char (point-min))
10162 (when (re-search-forward
10163 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10164 (delete-region (match-beginning 1) (match-end 1))
10165 (insert (number-to-string length)))
10166 (goto-char (point-min))
10167 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10168 (delete-region (match-beginning 1) (match-end 1))
10169 (insert (number-to-string lines))))))
10170 ;; Replace the article.
10171 (let ((buf (current-buffer)))
10172 (with-temp-buffer
10173 (insert-buffer-substring buf)
10175 (if (and (not read-only)
10176 (not (gnus-request-replace-article
10177 (cdr gnus-article-current) (car gnus-article-current)
10178 (current-buffer) t)))
10179 (error "Couldn't replace article")
10180 ;; Update the summary buffer.
10181 (if (and references
10182 (equal (message-tokenize-header references " ")
10183 (message-tokenize-header
10184 (or (message-fetch-field "references") "") " ")))
10185 ;; We only have to update this line.
10186 (save-excursion
10187 (save-restriction
10188 (message-narrow-to-head)
10189 (let ((head (buffer-substring-no-properties
10190 (point-min) (point-max)))
10191 header)
10192 (with-temp-buffer
10193 (insert (format "211 %d Article retrieved.\n"
10194 (cdr gnus-article-current)))
10195 (insert head)
10196 (insert ".\n")
10197 (let ((nntp-server-buffer (current-buffer)))
10198 (setq header (car (gnus-get-newsgroup-headers
10199 nil t))))
10200 (save-excursion
10201 (set-buffer gnus-summary-buffer)
10202 (gnus-data-set-header
10203 (gnus-data-find (cdr gnus-article-current))
10204 header)
10205 (gnus-summary-update-article-line
10206 (cdr gnus-article-current) header)
10207 (if (gnus-summary-goto-subject
10208 (cdr gnus-article-current) nil t)
10209 (gnus-summary-update-secondary-mark
10210 (cdr gnus-article-current))))))))
10211 ;; Update threads.
10212 (set-buffer (or buffer gnus-summary-buffer))
10213 (gnus-summary-update-article (cdr gnus-article-current))
10214 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10215 (gnus-summary-update-secondary-mark
10216 (cdr gnus-article-current))))
10217 ;; Prettify the article buffer again.
10218 (unless no-highlight
10219 (save-excursion
10220 (set-buffer gnus-article-buffer)
10221 ;;;!!! Fix this -- article should be rehighlighted.
10222 ;;;(gnus-run-hooks 'gnus-article-display-hook)
10223 (set-buffer gnus-original-article-buffer)
10224 (gnus-request-article
10225 (cdr gnus-article-current)
10226 (car gnus-article-current) (current-buffer))))
10227 ;; Prettify the summary buffer line.
10228 (when (gnus-visual-p 'summary-highlight 'highlight)
10229 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10231 (defun gnus-summary-edit-wash (key)
10232 "Perform editing command KEY in the article buffer."
10233 (interactive
10234 (list
10235 (progn
10236 (message "%s" (concat (this-command-keys) "- "))
10237 (read-char))))
10238 (message "")
10239 (gnus-summary-edit-article)
10240 (execute-kbd-macro (concat (this-command-keys) key))
10241 (gnus-article-edit-done))
10243 ;;; Respooling
10245 (defun gnus-summary-respool-query (&optional silent trace)
10246 "Query where the respool algorithm would put this article."
10247 (interactive)
10248 (let (gnus-mark-article-hook)
10249 (gnus-summary-select-article)
10250 (save-excursion
10251 (set-buffer gnus-original-article-buffer)
10252 (let ((groups (nnmail-article-group 'identity trace)))
10253 (unless silent
10254 (if groups
10255 (message "This message would go to %s"
10256 (mapconcat 'car groups ", "))
10257 (message "This message would go to no groups"))
10258 groups)))))
10260 (defun gnus-summary-respool-trace ()
10261 "Trace where the respool algorithm would put this article.
10262 Display a buffer showing all fancy splitting patterns which matched."
10263 (interactive)
10264 (gnus-summary-respool-query nil t))
10266 ;; Summary marking commands.
10268 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10269 "Mark articles which has the same subject as read, and then select the next.
10270 If UNMARK is positive, remove any kind of mark.
10271 If UNMARK is negative, tick articles."
10272 (interactive "P")
10273 (when unmark
10274 (setq unmark (prefix-numeric-value unmark)))
10275 (let ((count
10276 (gnus-summary-mark-same-subject
10277 (gnus-summary-article-subject) unmark)))
10278 ;; Select next unread article. If auto-select-same mode, should
10279 ;; select the first unread article.
10280 (gnus-summary-next-article t (and gnus-auto-select-same
10281 (gnus-summary-article-subject)))
10282 (gnus-message 7 "%d article%s marked as %s"
10283 count (if (= count 1) " is" "s are")
10284 (if unmark "unread" "read"))))
10286 (defun gnus-summary-kill-same-subject (&optional unmark)
10287 "Mark articles which has the same subject as read.
10288 If UNMARK is positive, remove any kind of mark.
10289 If UNMARK is negative, tick articles."
10290 (interactive "P")
10291 (when unmark
10292 (setq unmark (prefix-numeric-value unmark)))
10293 (let ((count
10294 (gnus-summary-mark-same-subject
10295 (gnus-summary-article-subject) unmark)))
10296 ;; If marked as read, go to next unread subject.
10297 (when (null unmark)
10298 ;; Go to next unread subject.
10299 (gnus-summary-next-subject 1 t))
10300 (gnus-message 7 "%d articles are marked as %s"
10301 count (if unmark "unread" "read"))))
10303 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10304 "Mark articles with same SUBJECT as read, and return marked number.
10305 If optional argument UNMARK is positive, remove any kinds of marks.
10306 If optional argument UNMARK is negative, mark articles as unread instead."
10307 (let ((count 1))
10308 (save-excursion
10309 (cond
10310 ((null unmark) ; Mark as read.
10311 (while (and
10312 (progn
10313 (gnus-summary-mark-article-as-read gnus-killed-mark)
10314 (gnus-summary-show-thread) t)
10315 (gnus-summary-find-subject subject))
10316 (setq count (1+ count))))
10317 ((> unmark 0) ; Tick.
10318 (while (and
10319 (progn
10320 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10321 (gnus-summary-show-thread) t)
10322 (gnus-summary-find-subject subject))
10323 (setq count (1+ count))))
10324 (t ; Mark as unread.
10325 (while (and
10326 (progn
10327 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10328 (gnus-summary-show-thread) t)
10329 (gnus-summary-find-subject subject))
10330 (setq count (1+ count)))))
10331 (gnus-set-mode-line 'summary)
10332 ;; Return the number of marked articles.
10333 count)))
10335 (defun gnus-summary-mark-as-processable (n &optional unmark)
10336 "Set the process mark on the next N articles.
10337 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10338 the process mark instead. The difference between N and the actual
10339 number of articles marked is returned."
10340 (interactive "P")
10341 (if (and (null n) (gnus-region-active-p))
10342 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10343 (setq n (prefix-numeric-value n))
10344 (let ((backward (< n 0))
10345 (n (abs n)))
10346 (while (and
10347 (> n 0)
10348 (if unmark
10349 (gnus-summary-remove-process-mark
10350 (gnus-summary-article-number))
10351 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10352 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10353 (setq n (1- n)))
10354 (when (/= 0 n)
10355 (gnus-message 7 "No more articles"))
10356 (gnus-summary-recenter)
10357 (gnus-summary-position-point)
10358 n)))
10360 (defun gnus-summary-unmark-as-processable (n)
10361 "Remove the process mark from the next N articles.
10362 If N is negative, unmark backward instead. The difference between N and
10363 the actual number of articles unmarked is returned."
10364 (interactive "P")
10365 (gnus-summary-mark-as-processable n t))
10367 (defun gnus-summary-unmark-all-processable ()
10368 "Remove the process mark from all articles."
10369 (interactive)
10370 (save-excursion
10371 (while gnus-newsgroup-processable
10372 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10373 (gnus-summary-position-point))
10375 (defun gnus-summary-add-mark (article type)
10376 "Mark ARTICLE with a mark of TYPE."
10377 (let ((vtype (car (assq type gnus-article-mark-lists)))
10378 var)
10379 (if (not vtype)
10380 (error "No such mark type: %s" type)
10381 (setq var (intern (format "gnus-newsgroup-%s" type)))
10382 (set var (cons article (symbol-value var)))
10383 (if (memq type '(processable cached replied forwarded recent saved))
10384 (gnus-summary-update-secondary-mark article)
10385 ;;; !!! This is bogus. We should find out what primary
10386 ;;; !!! mark we want to set.
10387 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10389 (defun gnus-summary-mark-as-expirable (n)
10390 "Mark N articles forward as expirable.
10391 If N is negative, mark backward instead. The difference between N and
10392 the actual number of articles marked is returned."
10393 (interactive "p")
10394 (gnus-summary-mark-forward n gnus-expirable-mark))
10396 (defun gnus-summary-mark-as-spam (n)
10397 "Mark N articles forward as spam.
10398 If N is negative, mark backward instead. The difference between N and
10399 the actual number of articles marked is returned."
10400 (interactive "p")
10401 (gnus-summary-mark-forward n gnus-spam-mark))
10403 (defun gnus-summary-mark-article-as-replied (article)
10404 "Mark ARTICLE as replied to and update the summary line.
10405 ARTICLE can also be a list of articles."
10406 (interactive (list (gnus-summary-article-number)))
10407 (let ((articles (if (listp article) article (list article))))
10408 (dolist (article articles)
10409 (unless (numberp article)
10410 (error "%s is not a number" article))
10411 (push article gnus-newsgroup-replied)
10412 (let ((buffer-read-only nil))
10413 (when (gnus-summary-goto-subject article nil t)
10414 (gnus-summary-update-secondary-mark article))))))
10416 (defun gnus-summary-mark-article-as-forwarded (article)
10417 "Mark ARTICLE as forwarded and update the summary line.
10418 ARTICLE can also be a list of articles."
10419 (let ((articles (if (listp article) article (list article))))
10420 (dolist (article articles)
10421 (push article gnus-newsgroup-forwarded)
10422 (let ((buffer-read-only nil))
10423 (when (gnus-summary-goto-subject article nil t)
10424 (gnus-summary-update-secondary-mark article))))))
10426 (defun gnus-summary-set-bookmark (article)
10427 "Set a bookmark in current article."
10428 (interactive (list (gnus-summary-article-number)))
10429 (when (or (not (get-buffer gnus-article-buffer))
10430 (not gnus-current-article)
10431 (not gnus-article-current)
10432 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10433 (error "No current article selected"))
10434 ;; Remove old bookmark, if one exists.
10435 (gnus-pull article gnus-newsgroup-bookmarks)
10436 ;; Set the new bookmark, which is on the form
10437 ;; (article-number . line-number-in-body).
10438 (push
10439 (cons article
10440 (with-current-buffer gnus-article-buffer
10441 (count-lines
10442 (min (point)
10443 (save-excursion
10444 (article-goto-body)
10445 (point)))
10446 (point))))
10447 gnus-newsgroup-bookmarks)
10448 (gnus-message 6 "A bookmark has been added to the current article."))
10450 (defun gnus-summary-remove-bookmark (article)
10451 "Remove the bookmark from the current article."
10452 (interactive (list (gnus-summary-article-number)))
10453 ;; Remove old bookmark, if one exists.
10454 (if (not (assq article gnus-newsgroup-bookmarks))
10455 (gnus-message 6 "No bookmark in current article.")
10456 (gnus-pull article gnus-newsgroup-bookmarks)
10457 (gnus-message 6 "Removed bookmark.")))
10459 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10460 (defun gnus-summary-mark-as-dormant (n)
10461 "Mark N articles forward as dormant.
10462 If N is negative, mark backward instead. The difference between N and
10463 the actual number of articles marked is returned."
10464 (interactive "p")
10465 (gnus-summary-mark-forward n gnus-dormant-mark))
10467 (defun gnus-summary-set-process-mark (article)
10468 "Set the process mark on ARTICLE and update the summary line."
10469 (setq gnus-newsgroup-processable
10470 (cons article
10471 (delq article gnus-newsgroup-processable)))
10472 (when (gnus-summary-goto-subject article)
10473 (gnus-summary-show-thread)
10474 (gnus-summary-goto-subject article)
10475 (gnus-summary-update-secondary-mark article)))
10477 (defun gnus-summary-remove-process-mark (&rest articles)
10478 "Remove the process mark from ARTICLES and update the summary line."
10479 (dolist (article articles)
10480 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10481 (when (gnus-summary-goto-subject article)
10482 (gnus-summary-show-thread)
10483 (gnus-summary-goto-subject article)
10484 (gnus-summary-update-secondary-mark article)))
10487 (defun gnus-summary-set-saved-mark (article)
10488 "Set the process mark on ARTICLE and update the summary line."
10489 (push article gnus-newsgroup-saved)
10490 (when (gnus-summary-goto-subject article)
10491 (gnus-summary-update-secondary-mark article)))
10493 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10494 "Mark N articles as read forwards.
10495 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10496 The difference between N and the actual number of articles marked is
10497 returned.
10498 If NO-EXPIRE, auto-expiry will be inhibited."
10499 (interactive "p")
10500 (gnus-summary-show-thread)
10501 (let ((backward (< n 0))
10502 (gnus-summary-goto-unread
10503 (and gnus-summary-goto-unread
10504 (not (eq gnus-summary-goto-unread 'never))
10505 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10506 gnus-ticked-mark gnus-dormant-mark)))))
10507 (n (abs n))
10508 (mark (or mark gnus-del-mark)))
10509 (while (and (> n 0)
10510 (gnus-summary-mark-article nil mark no-expire)
10511 (zerop (gnus-summary-next-subject
10512 (if backward -1 1)
10513 (and gnus-summary-goto-unread
10514 (not (eq gnus-summary-goto-unread 'never)))
10515 t)))
10516 (setq n (1- n)))
10517 (when (/= 0 n)
10518 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10519 (gnus-summary-recenter)
10520 (gnus-summary-position-point)
10521 (gnus-set-mode-line 'summary)
10524 (defun gnus-summary-mark-article-as-read (mark)
10525 "Mark the current article quickly as read with MARK."
10526 (let ((article (gnus-summary-article-number)))
10527 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10528 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10529 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10530 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10531 (push (cons article mark) gnus-newsgroup-reads)
10532 ;; Possibly remove from cache, if that is used.
10533 (when gnus-use-cache
10534 (gnus-cache-enter-remove-article article))
10535 ;; Allow the backend to change the mark.
10536 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10537 ;; Check for auto-expiry.
10538 (when (and gnus-newsgroup-auto-expire
10539 (memq mark gnus-auto-expirable-marks))
10540 (setq mark gnus-expirable-mark)
10541 ;; Let the backend know about the mark change.
10542 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10543 (push article gnus-newsgroup-expirable))
10544 ;; Set the mark in the buffer.
10545 (gnus-summary-update-mark mark 'unread)
10548 (defun gnus-summary-mark-article-as-unread (mark)
10549 "Mark the current article quickly as unread with MARK."
10550 (let* ((article (gnus-summary-article-number))
10551 (old-mark (gnus-summary-article-mark article)))
10552 ;; Allow the backend to change the mark.
10553 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10554 (if (eq mark old-mark)
10556 (if (<= article 0)
10557 (progn
10558 (gnus-error 1 "Can't mark negative article numbers")
10559 nil)
10560 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10561 (setq gnus-newsgroup-spam-marked
10562 (delq article gnus-newsgroup-spam-marked))
10563 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10564 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10565 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10566 (cond ((= mark gnus-ticked-mark)
10567 (setq gnus-newsgroup-marked
10568 (gnus-add-to-sorted-list gnus-newsgroup-marked
10569 article)))
10570 ((= mark gnus-spam-mark)
10571 (setq gnus-newsgroup-spam-marked
10572 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10573 article)))
10574 ((= mark gnus-dormant-mark)
10575 (setq gnus-newsgroup-dormant
10576 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10577 article)))
10579 (setq gnus-newsgroup-unreads
10580 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10581 article))))
10582 (gnus-pull article gnus-newsgroup-reads)
10584 ;; See whether the article is to be put in the cache.
10585 (and gnus-use-cache
10586 (vectorp (gnus-summary-article-header article))
10587 (save-excursion
10588 (gnus-cache-possibly-enter-article
10589 gnus-newsgroup-name article
10590 (= mark gnus-ticked-mark)
10591 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10593 ;; Fix the mark.
10594 (gnus-summary-update-mark mark 'unread)
10595 t))))
10597 (defun gnus-summary-mark-article (&optional article mark no-expire)
10598 "Mark ARTICLE with MARK. MARK can be any character.
10599 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10600 `??' (dormant) and `?E' (expirable).
10601 If MARK is nil, then the default character `?r' is used.
10602 If ARTICLE is nil, then the article on the current line will be
10603 marked.
10604 If NO-EXPIRE, auto-expiry will be inhibited."
10605 ;; The mark might be a string.
10606 (when (stringp mark)
10607 (setq mark (aref mark 0)))
10608 ;; If no mark is given, then we check auto-expiring.
10609 (when (null mark)
10610 (setq mark gnus-del-mark))
10611 (when (and (not no-expire)
10612 gnus-newsgroup-auto-expire
10613 (memq mark gnus-auto-expirable-marks))
10614 (setq mark gnus-expirable-mark))
10615 (let ((article (or article (gnus-summary-article-number)))
10616 (old-mark (gnus-summary-article-mark article)))
10617 ;; Allow the backend to change the mark.
10618 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10619 (if (eq mark old-mark)
10621 (unless article
10622 (error "No article on current line"))
10623 (if (not (if (or (= mark gnus-unread-mark)
10624 (= mark gnus-ticked-mark)
10625 (= mark gnus-spam-mark)
10626 (= mark gnus-dormant-mark))
10627 (gnus-mark-article-as-unread article mark)
10628 (gnus-mark-article-as-read article mark)))
10630 ;; See whether the article is to be put in the cache.
10631 (and gnus-use-cache
10632 (not (= mark gnus-canceled-mark))
10633 (vectorp (gnus-summary-article-header article))
10634 (save-excursion
10635 (gnus-cache-possibly-enter-article
10636 gnus-newsgroup-name article
10637 (= mark gnus-ticked-mark)
10638 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10640 (when (gnus-summary-goto-subject article nil t)
10641 (let ((buffer-read-only nil))
10642 (gnus-summary-show-thread)
10643 ;; Fix the mark.
10644 (gnus-summary-update-mark mark 'unread)
10645 t))))))
10647 (defun gnus-summary-update-secondary-mark (article)
10648 "Update the secondary (read, process, cache) mark."
10649 (gnus-summary-update-mark
10650 (cond ((memq article gnus-newsgroup-processable)
10651 gnus-process-mark)
10652 ((memq article gnus-newsgroup-cached)
10653 gnus-cached-mark)
10654 ((memq article gnus-newsgroup-replied)
10655 gnus-replied-mark)
10656 ((memq article gnus-newsgroup-forwarded)
10657 gnus-forwarded-mark)
10658 ((memq article gnus-newsgroup-saved)
10659 gnus-saved-mark)
10660 ((memq article gnus-newsgroup-recent)
10661 gnus-recent-mark)
10662 ((memq article gnus-newsgroup-unseen)
10663 gnus-unseen-mark)
10664 (t gnus-no-mark))
10665 'replied)
10666 (when (gnus-visual-p 'summary-highlight 'highlight)
10667 (gnus-run-hooks 'gnus-summary-update-hook))
10670 (defun gnus-summary-update-download-mark (article)
10671 "Update the download mark."
10672 (gnus-summary-update-mark
10673 (cond ((memq article gnus-newsgroup-undownloaded)
10674 gnus-undownloaded-mark)
10675 (gnus-newsgroup-agentized
10676 gnus-downloaded-mark)
10678 gnus-no-mark))
10679 'download)
10680 (gnus-summary-update-line t)
10683 (defun gnus-summary-update-mark (mark type)
10684 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10685 (buffer-read-only nil))
10686 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10687 (when forward
10688 (when (looking-at "\r")
10689 (incf forward))
10690 (when (<= (+ forward (point)) (point-max))
10691 ;; Go to the right position on the line.
10692 (goto-char (+ forward (point)))
10693 ;; Replace the old mark with the new mark.
10694 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10695 ;; Optionally update the marks by some user rule.
10696 (when (eq type 'unread)
10697 (gnus-data-set-mark
10698 (gnus-data-find (gnus-summary-article-number)) mark)
10699 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10701 (defun gnus-mark-article-as-read (article &optional mark)
10702 "Enter ARTICLE in the pertinent lists and remove it from others."
10703 ;; Make the article expirable.
10704 (let ((mark (or mark gnus-del-mark)))
10705 (setq gnus-newsgroup-expirable
10706 (if (= mark gnus-expirable-mark)
10707 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10708 (delq article gnus-newsgroup-expirable)))
10709 ;; Remove from unread and marked lists.
10710 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10711 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10712 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10713 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10714 (push (cons article mark) gnus-newsgroup-reads)
10715 ;; Possibly remove from cache, if that is used.
10716 (when gnus-use-cache
10717 (gnus-cache-enter-remove-article article))
10720 (defun gnus-mark-article-as-unread (article &optional mark)
10721 "Enter ARTICLE in the pertinent lists and remove it from others."
10722 (let ((mark (or mark gnus-ticked-mark)))
10723 (if (<= article 0)
10724 (progn
10725 (gnus-error 1 "Can't mark negative article numbers")
10726 nil)
10727 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10728 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10729 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10730 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10731 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10733 ;; Unsuppress duplicates?
10734 (when gnus-suppress-duplicates
10735 (gnus-dup-unsuppress-article article))
10737 (cond ((= mark gnus-ticked-mark)
10738 (setq gnus-newsgroup-marked
10739 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10740 ((= mark gnus-spam-mark)
10741 (setq gnus-newsgroup-spam-marked
10742 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10743 article)))
10744 ((= mark gnus-dormant-mark)
10745 (setq gnus-newsgroup-dormant
10746 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10748 (setq gnus-newsgroup-unreads
10749 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10750 (gnus-pull article gnus-newsgroup-reads)
10751 t)))
10753 (defalias 'gnus-summary-mark-as-unread-forward
10754 'gnus-summary-tick-article-forward)
10755 (make-obsolete 'gnus-summary-mark-as-unread-forward
10756 'gnus-summary-tick-article-forward)
10757 (defun gnus-summary-tick-article-forward (n)
10758 "Tick N articles forwards.
10759 If N is negative, tick backwards instead.
10760 The difference between N and the number of articles ticked is returned."
10761 (interactive "p")
10762 (gnus-summary-mark-forward n gnus-ticked-mark))
10764 (defalias 'gnus-summary-mark-as-unread-backward
10765 'gnus-summary-tick-article-backward)
10766 (make-obsolete 'gnus-summary-mark-as-unread-backward
10767 'gnus-summary-tick-article-backward)
10768 (defun gnus-summary-tick-article-backward (n)
10769 "Tick N articles backwards.
10770 The difference between N and the number of articles ticked is returned."
10771 (interactive "p")
10772 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10774 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10775 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10776 (defun gnus-summary-tick-article (&optional article clear-mark)
10777 "Mark current article as unread.
10778 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10779 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10780 (interactive)
10781 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10782 gnus-ticked-mark)))
10784 (defun gnus-summary-mark-as-read-forward (n)
10785 "Mark N articles as read forwards.
10786 If N is negative, mark backwards instead.
10787 The difference between N and the actual number of articles marked is
10788 returned."
10789 (interactive "p")
10790 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10792 (defun gnus-summary-mark-as-read-backward (n)
10793 "Mark the N articles as read backwards.
10794 The difference between N and the actual number of articles marked is
10795 returned."
10796 (interactive "p")
10797 (gnus-summary-mark-forward
10798 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10800 (defun gnus-summary-mark-as-read (&optional article mark)
10801 "Mark current article as read.
10802 ARTICLE specifies the article to be marked as read.
10803 MARK specifies a string to be inserted at the beginning of the line."
10804 (gnus-summary-mark-article article mark))
10806 (defun gnus-summary-clear-mark-forward (n)
10807 "Clear marks from N articles forward.
10808 If N is negative, clear backward instead.
10809 The difference between N and the number of marks cleared is returned."
10810 (interactive "p")
10811 (gnus-summary-mark-forward n gnus-unread-mark))
10813 (defun gnus-summary-clear-mark-backward (n)
10814 "Clear marks from N articles backward.
10815 The difference between N and the number of marks cleared is returned."
10816 (interactive "p")
10817 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10819 (defun gnus-summary-mark-unread-as-read ()
10820 "Intended to be used by `gnus-summary-mark-article-hook'."
10821 (when (memq gnus-current-article gnus-newsgroup-unreads)
10822 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10824 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10825 "Intended to be used by `gnus-summary-mark-article-hook'."
10826 (let ((mark (gnus-summary-article-mark)))
10827 (when (or (gnus-unread-mark-p mark)
10828 (gnus-read-mark-p mark))
10829 (gnus-summary-mark-article gnus-current-article
10830 (or new-mark gnus-read-mark)))))
10832 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10833 "Intended to be used by `gnus-summary-mark-article-hook'."
10834 (let ((mark (gnus-summary-article-mark)))
10835 (when (or (gnus-unread-mark-p mark)
10836 (gnus-read-mark-p mark))
10837 (gnus-summary-mark-article (gnus-summary-article-number)
10838 (or new-mark gnus-read-mark)))))
10840 (defun gnus-summary-mark-unread-as-ticked ()
10841 "Intended to be used by `gnus-summary-mark-article-hook'."
10842 (when (memq gnus-current-article gnus-newsgroup-unreads)
10843 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10845 (defun gnus-summary-mark-region-as-read (point mark all)
10846 "Mark all unread articles between point and mark as read.
10847 If given a prefix, mark all articles between point and mark as read,
10848 even ticked and dormant ones."
10849 (interactive "r\nP")
10850 (save-excursion
10851 (let (article)
10852 (goto-char point)
10853 (beginning-of-line)
10854 (while (and
10855 (< (point) mark)
10856 (progn
10857 (when (or all
10858 (memq (setq article (gnus-summary-article-number))
10859 gnus-newsgroup-unreads))
10860 (gnus-summary-mark-article article gnus-del-mark))
10862 (gnus-summary-find-next))))))
10864 (defun gnus-summary-mark-below (score mark)
10865 "Mark articles with score less than SCORE with MARK."
10866 (interactive "P\ncMark: ")
10867 (setq score (if score
10868 (prefix-numeric-value score)
10869 (or gnus-summary-default-score 0)))
10870 (save-excursion
10871 (set-buffer gnus-summary-buffer)
10872 (goto-char (point-min))
10873 (while
10874 (progn
10875 (and (< (gnus-summary-article-score) score)
10876 (gnus-summary-mark-article nil mark))
10877 (gnus-summary-find-next)))))
10879 (defun gnus-summary-kill-below (&optional score)
10880 "Mark articles with score below SCORE as read."
10881 (interactive "P")
10882 (gnus-summary-mark-below score gnus-killed-mark))
10884 (defun gnus-summary-clear-above (&optional score)
10885 "Clear all marks from articles with score above SCORE."
10886 (interactive "P")
10887 (gnus-summary-mark-above score gnus-unread-mark))
10889 (defun gnus-summary-tick-above (&optional score)
10890 "Tick all articles with score above SCORE."
10891 (interactive "P")
10892 (gnus-summary-mark-above score gnus-ticked-mark))
10894 (defun gnus-summary-mark-above (score mark)
10895 "Mark articles with score over SCORE with MARK."
10896 (interactive "P\ncMark: ")
10897 (setq score (if score
10898 (prefix-numeric-value score)
10899 (or gnus-summary-default-score 0)))
10900 (save-excursion
10901 (set-buffer gnus-summary-buffer)
10902 (goto-char (point-min))
10903 (while (and (progn
10904 (when (> (gnus-summary-article-score) score)
10905 (gnus-summary-mark-article nil mark))
10907 (gnus-summary-find-next)))))
10909 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10910 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10911 (defun gnus-summary-limit-include-expunged (&optional no-error)
10912 "Display all the hidden articles that were expunged for low scores."
10913 (interactive)
10914 (let ((buffer-read-only nil))
10915 (let ((scored gnus-newsgroup-scored)
10916 headers h)
10917 (while scored
10918 (unless (gnus-summary-article-header (caar scored))
10919 (and (setq h (gnus-number-to-header (caar scored)))
10920 (< (cdar scored) gnus-summary-expunge-below)
10921 (push h headers)))
10922 (setq scored (cdr scored)))
10923 (if (not headers)
10924 (when (not no-error)
10925 (error "No expunged articles hidden"))
10926 (goto-char (point-min))
10927 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10928 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10929 (dolist (x headers)
10930 (push (mail-header-number x) gnus-newsgroup-limit))
10931 (gnus-summary-prepare-unthreaded (nreverse headers))
10932 (goto-char (point-min))
10933 (gnus-summary-position-point)
10934 t))))
10936 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10937 "Mark all unread articles in this newsgroup as read.
10938 If prefix argument ALL is non-nil, ticked and dormant articles will
10939 also be marked as read.
10940 If QUIETLY is non-nil, no questions will be asked.
10942 If TO-HERE is non-nil, it should be a point in the buffer. All
10943 articles before (after, if REVERSE is set) this point will be marked
10944 as read.
10946 Note that this function will only catch up the unread article
10947 in the current summary buffer limitation.
10949 The number of articles marked as read is returned."
10950 (interactive "P")
10951 (prog1
10952 (save-excursion
10953 (when (or quietly
10954 (not gnus-interactive-catchup) ;Without confirmation?
10955 gnus-expert-user
10956 (gnus-y-or-n-p
10957 (if all
10958 "Mark absolutely all articles as read? "
10959 "Mark all unread articles as read? ")))
10960 (if (and not-mark
10961 (not gnus-newsgroup-adaptive)
10962 (not gnus-newsgroup-auto-expire)
10963 (not gnus-suppress-duplicates)
10964 (or (not gnus-use-cache)
10965 (eq gnus-use-cache 'passive)))
10966 (progn
10967 (when all
10968 (setq gnus-newsgroup-marked nil
10969 gnus-newsgroup-spam-marked nil
10970 gnus-newsgroup-dormant nil))
10971 (setq gnus-newsgroup-unreads
10972 (gnus-sorted-nunion
10973 (gnus-sorted-intersection gnus-newsgroup-unreads
10974 gnus-newsgroup-downloadable)
10975 (gnus-sorted-difference gnus-newsgroup-unfetched
10976 gnus-newsgroup-cached))))
10977 ;; We actually mark all articles as canceled, which we
10978 ;; have to do when using auto-expiry or adaptive scoring.
10979 (gnus-summary-show-all-threads)
10980 (if (and to-here reverse)
10981 (progn
10982 (goto-char to-here)
10983 (gnus-summary-mark-current-read-and-unread-as-read
10984 gnus-catchup-mark)
10985 (while (gnus-summary-find-next (not all))
10986 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10987 (when (gnus-summary-first-subject (not all))
10988 (while (and
10989 (if to-here (< (point) to-here) t)
10990 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10991 (gnus-summary-find-next (not all))))))
10992 (gnus-set-mode-line 'summary))
10994 (gnus-summary-position-point)))
10996 (defun gnus-summary-catchup-to-here (&optional all)
10997 "Mark all unticked articles before the current one as read.
10998 If ALL is non-nil, also mark ticked and dormant articles as read."
10999 (interactive "P")
11000 (save-excursion
11001 (gnus-save-hidden-threads
11002 (let ((beg (point)))
11003 ;; We check that there are unread articles.
11004 (when (or all (gnus-summary-find-prev))
11005 (gnus-summary-catchup all t beg)))))
11006 (gnus-summary-position-point))
11008 (defun gnus-summary-catchup-from-here (&optional all)
11009 "Mark all unticked articles after (and including) the current one as read.
11010 If ALL is non-nil, also mark ticked and dormant articles as read."
11011 (interactive "P")
11012 (save-excursion
11013 (gnus-save-hidden-threads
11014 (let ((beg (point)))
11015 ;; We check that there are unread articles.
11016 (when (or all (gnus-summary-find-next))
11017 (gnus-summary-catchup all t beg nil t)))))
11018 (gnus-summary-position-point))
11020 (defun gnus-summary-catchup-all (&optional quietly)
11021 "Mark all articles in this newsgroup as read.
11022 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11023 instead, which marks only unread articles as read."
11024 (interactive "P")
11025 (gnus-summary-catchup t quietly))
11027 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11028 "Mark all unread articles in this group as read, then exit.
11029 If prefix argument ALL is non-nil, all articles are marked as read.
11030 If QUIETLY is non-nil, no questions will be asked."
11031 (interactive "P")
11032 (when (gnus-summary-catchup all quietly nil 'fast)
11033 ;; Select next newsgroup or exit.
11034 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11035 (eq gnus-auto-select-next 'quietly))
11036 (gnus-summary-next-group nil)
11037 (gnus-summary-exit))))
11039 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11040 "Mark all articles in this newsgroup as read, and then exit.
11041 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11042 instead, which marks only unread articles as read."
11043 (interactive "P")
11044 (gnus-summary-catchup-and-exit t quietly))
11046 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11047 "Mark all articles in this group as read and select the next group.
11048 If given a prefix, mark all articles, unread as well as ticked, as
11049 read."
11050 (interactive "P")
11051 (save-excursion
11052 (gnus-summary-catchup all))
11053 (gnus-summary-next-group))
11055 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11056 "Mark all articles in this group as read and select the previous group.
11057 If given a prefix, mark all articles, unread as well as ticked, as
11058 read."
11059 (interactive "P")
11060 (save-excursion
11061 (gnus-summary-catchup all))
11062 (gnus-summary-next-group nil nil t))
11065 ;;; with article
11068 (defmacro gnus-with-article (article &rest forms)
11069 "Select ARTICLE and perform FORMS in the original article buffer.
11070 Then replace the article with the result."
11071 `(progn
11072 ;; We don't want the article to be marked as read.
11073 (let (gnus-mark-article-hook)
11074 (gnus-summary-select-article t t nil ,article))
11075 (set-buffer gnus-original-article-buffer)
11076 ,@forms
11077 (if (not (gnus-check-backend-function
11078 'request-replace-article (car gnus-article-current)))
11079 (gnus-message 5 "Read-only group; not replacing")
11080 (unless (gnus-request-replace-article
11081 ,article (car gnus-article-current)
11082 (current-buffer) t)
11083 (error "Couldn't replace article")))
11084 ;; The cache and backlog have to be flushed somewhat.
11085 (when gnus-keep-backlog
11086 (gnus-backlog-remove-article
11087 (car gnus-article-current) (cdr gnus-article-current)))
11088 (when gnus-use-cache
11089 (gnus-cache-update-article
11090 (car gnus-article-current) (cdr gnus-article-current)))))
11092 (put 'gnus-with-article 'lisp-indent-function 1)
11093 (put 'gnus-with-article 'edebug-form-spec '(form body))
11095 ;; Thread-based commands.
11097 (defun gnus-summary-articles-in-thread (&optional article)
11098 "Return a list of all articles in the current thread.
11099 If ARTICLE is non-nil, return all articles in the thread that starts
11100 with that article."
11101 (let* ((article (or article (gnus-summary-article-number)))
11102 (data (gnus-data-find-list article))
11103 (top-level (gnus-data-level (car data)))
11104 (top-subject
11105 (cond ((null gnus-thread-operation-ignore-subject)
11106 (gnus-simplify-subject-re
11107 (mail-header-subject (gnus-data-header (car data)))))
11108 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11109 (gnus-simplify-subject-fuzzy
11110 (mail-header-subject (gnus-data-header (car data)))))
11111 (t nil)))
11112 (end-point (save-excursion
11113 (if (gnus-summary-go-to-next-thread)
11114 (point) (point-max))))
11115 articles)
11116 (while (and data
11117 (< (gnus-data-pos (car data)) end-point))
11118 (when (or (not top-subject)
11119 (string= top-subject
11120 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11121 (gnus-simplify-subject-fuzzy
11122 (mail-header-subject
11123 (gnus-data-header (car data))))
11124 (gnus-simplify-subject-re
11125 (mail-header-subject
11126 (gnus-data-header (car data)))))))
11127 (push (gnus-data-number (car data)) articles))
11128 (unless (and (setq data (cdr data))
11129 (> (gnus-data-level (car data)) top-level))
11130 (setq data nil)))
11131 ;; Return the list of articles.
11132 (nreverse articles)))
11134 (defun gnus-summary-rethread-current ()
11135 "Rethread the thread the current article is part of."
11136 (interactive)
11137 (let* ((gnus-show-threads t)
11138 (article (gnus-summary-article-number))
11139 (id (mail-header-id (gnus-summary-article-header)))
11140 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11141 (unless id
11142 (error "No article on the current line"))
11143 (gnus-rebuild-thread id)
11144 (gnus-summary-goto-subject article)))
11146 (defun gnus-summary-reparent-thread ()
11147 "Make the current article child of the marked (or previous) article.
11149 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11150 is non-nil or the Subject: of both articles are the same."
11151 (interactive)
11152 (unless (not (gnus-group-read-only-p))
11153 (error "The current newsgroup does not support article editing"))
11154 (unless (<= (length gnus-newsgroup-processable) 1)
11155 (error "No more than one article may be marked"))
11156 (let ((child (gnus-summary-article-number))
11157 ;; First grab the marked article, otherwise one line up.
11158 (parent (if (not (null gnus-newsgroup-processable))
11159 (car gnus-newsgroup-processable)
11160 (save-excursion
11161 (if (eq (forward-line -1) 0)
11162 (gnus-summary-article-number)
11163 (error "Beginning of summary buffer"))))))
11164 (gnus-summary-reparent-children parent (list child))))
11166 (defun gnus-summary-reparent-children (parent children)
11167 "Make PARENT the parent of CHILDREN.
11168 When called interactively, PARENT is the current article and CHILDREN
11169 are the process-marked articles."
11170 (interactive
11171 (list (gnus-summary-article-number)
11172 (gnus-summary-work-articles nil)))
11173 (dolist (child children)
11174 (save-window-excursion
11175 (let ((gnus-article-buffer " *reparent*"))
11176 (unless (not (eq parent child))
11177 (error "An article may not be self-referential"))
11178 (let ((message-id (mail-header-id
11179 (gnus-summary-article-header parent))))
11180 (unless (and message-id (not (equal message-id "")))
11181 (error "No message-id in desired parent"))
11182 (gnus-with-article child
11183 (save-restriction
11184 (goto-char (point-min))
11185 (message-narrow-to-head)
11186 (if (re-search-forward "^References: " nil t)
11187 (progn
11188 (re-search-forward "^[^ \t]" nil t)
11189 (forward-line -1)
11190 (end-of-line)
11191 (insert " " message-id))
11192 (insert "References: " message-id "\n"))))
11193 (set-buffer gnus-summary-buffer)
11194 (gnus-summary-unmark-all-processable)
11195 (gnus-summary-update-article child)
11196 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11197 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11198 (gnus-summary-rethread-current)
11199 (gnus-message 3 "Article %d is now the child of article %d"
11200 child parent))))))
11202 (defun gnus-summary-toggle-threads (&optional arg)
11203 "Toggle showing conversation threads.
11204 If ARG is positive number, turn showing conversation threads on."
11205 (interactive "P")
11206 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11207 (setq gnus-show-threads
11208 (if (null arg) (not gnus-show-threads)
11209 (> (prefix-numeric-value arg) 0)))
11210 (gnus-summary-prepare)
11211 (gnus-summary-goto-subject current)
11212 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11213 (gnus-summary-position-point)))
11215 (defun gnus-summary-show-all-threads ()
11216 "Show all threads."
11217 (interactive)
11218 (save-excursion
11219 (let ((buffer-read-only nil))
11220 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
11221 (gnus-summary-position-point))
11223 (defun gnus-summary-show-thread ()
11224 "Show thread subtrees.
11225 Returns nil if no thread was there to be shown."
11226 (interactive)
11227 (let ((buffer-read-only nil)
11228 (orig (point))
11229 (end (point-at-eol))
11230 ;; Leave point at bol
11231 (beg (progn (beginning-of-line) (point))))
11232 (prog1
11233 ;; Any hidden lines here?
11234 (search-forward "\r" end t)
11235 (subst-char-in-region beg end ?\^M ?\n t)
11236 (goto-char orig)
11237 (gnus-summary-position-point))))
11239 (defun gnus-summary-maybe-hide-threads ()
11240 "If requested, hide the threads that should be hidden."
11241 (when (and gnus-show-threads
11242 gnus-thread-hide-subtree)
11243 (gnus-summary-hide-all-threads
11244 (if (or (consp gnus-thread-hide-subtree)
11245 (functionp gnus-thread-hide-subtree))
11246 (gnus-make-predicate gnus-thread-hide-subtree)
11247 nil))))
11249 ;;; Hiding predicates.
11251 (defun gnus-article-unread-p (header)
11252 (memq (mail-header-number header) gnus-newsgroup-unreads))
11254 (defun gnus-article-unseen-p (header)
11255 (memq (mail-header-number header) gnus-newsgroup-unseen))
11257 (defun gnus-map-articles (predicate articles)
11258 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11259 (apply 'gnus-or (mapcar predicate
11260 (mapcar (lambda (number)
11261 (gnus-summary-article-header number))
11262 articles))))
11264 (defun gnus-summary-hide-all-threads (&optional predicate)
11265 "Hide all thread subtrees.
11266 If PREDICATE is supplied, threads that satisfy this predicate
11267 will not be hidden."
11268 (interactive)
11269 (save-excursion
11270 (goto-char (point-min))
11271 (let ((end nil))
11272 (while (not end)
11273 (when (or (not predicate)
11274 (gnus-map-articles
11275 predicate (gnus-summary-article-children)))
11276 (gnus-summary-hide-thread))
11277 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11278 (gnus-summary-position-point))
11280 (defun gnus-summary-hide-thread ()
11281 "Hide thread subtrees.
11282 If PREDICATE is supplied, threads that satisfy this predicate
11283 will not be hidden.
11284 Returns nil if no threads were there to be hidden."
11285 (interactive)
11286 (let ((buffer-read-only nil)
11287 (start (point))
11288 (article (gnus-summary-article-number)))
11289 (goto-char start)
11290 ;; Go forward until either the buffer ends or the subthread
11291 ;; ends.
11292 (when (and (not (eobp))
11293 (or (zerop (gnus-summary-next-thread 1 t))
11294 (goto-char (point-max))))
11295 (prog1
11296 (if (and (> (point) start)
11297 (search-backward "\n" start t))
11298 (progn
11299 (subst-char-in-region start (point) ?\n ?\^M)
11300 (gnus-summary-goto-subject article))
11301 (goto-char start)
11302 nil)))))
11304 (defun gnus-summary-go-to-next-thread (&optional previous)
11305 "Go to the same level (or less) next thread.
11306 If PREVIOUS is non-nil, go to previous thread instead.
11307 Return the article number moved to, or nil if moving was impossible."
11308 (let ((level (gnus-summary-thread-level))
11309 (way (if previous -1 1))
11310 (beg (point)))
11311 (forward-line way)
11312 (while (and (not (eobp))
11313 (< level (gnus-summary-thread-level)))
11314 (forward-line way))
11315 (if (eobp)
11316 (progn
11317 (goto-char beg)
11318 nil)
11319 (setq beg (point))
11320 (prog1
11321 (gnus-summary-article-number)
11322 (goto-char beg)))))
11324 (defun gnus-summary-next-thread (n &optional silent)
11325 "Go to the same level next N'th thread.
11326 If N is negative, search backward instead.
11327 Returns the difference between N and the number of skips actually
11328 done.
11330 If SILENT, don't output messages."
11331 (interactive "p")
11332 (let ((backward (< n 0))
11333 (n (abs n)))
11334 (while (and (> n 0)
11335 (gnus-summary-go-to-next-thread backward))
11336 (decf n))
11337 (unless silent
11338 (gnus-summary-position-point))
11339 (when (and (not silent) (/= 0 n))
11340 (gnus-message 7 "No more threads"))
11343 (defun gnus-summary-prev-thread (n)
11344 "Go to the same level previous N'th thread.
11345 Returns the difference between N and the number of skips actually
11346 done."
11347 (interactive "p")
11348 (gnus-summary-next-thread (- n)))
11350 (defun gnus-summary-go-down-thread ()
11351 "Go down one level in the current thread."
11352 (let ((children (gnus-summary-article-children)))
11353 (when children
11354 (gnus-summary-goto-subject (car children)))))
11356 (defun gnus-summary-go-up-thread ()
11357 "Go up one level in the current thread."
11358 (let ((parent (gnus-summary-article-parent)))
11359 (when parent
11360 (gnus-summary-goto-subject parent))))
11362 (defun gnus-summary-down-thread (n)
11363 "Go down thread N steps.
11364 If N is negative, go up instead.
11365 Returns the difference between N and how many steps down that were
11366 taken."
11367 (interactive "p")
11368 (let ((up (< n 0))
11369 (n (abs n)))
11370 (while (and (> n 0)
11371 (if up (gnus-summary-go-up-thread)
11372 (gnus-summary-go-down-thread)))
11373 (setq n (1- n)))
11374 (gnus-summary-position-point)
11375 (when (/= 0 n)
11376 (gnus-message 7 "Can't go further"))
11379 (defun gnus-summary-up-thread (n)
11380 "Go up thread N steps.
11381 If N is negative, go down instead.
11382 Returns the difference between N and how many steps down that were
11383 taken."
11384 (interactive "p")
11385 (gnus-summary-down-thread (- n)))
11387 (defun gnus-summary-top-thread ()
11388 "Go to the top of the thread."
11389 (interactive)
11390 (while (gnus-summary-go-up-thread))
11391 (gnus-summary-article-number))
11393 (defun gnus-summary-expire-thread ()
11394 "Mark articles under current thread as expired."
11395 (interactive)
11396 (gnus-summary-kill-thread 0))
11398 (defun gnus-summary-kill-thread (&optional unmark)
11399 "Mark articles under current thread as read.
11400 If the prefix argument is positive, remove any kinds of marks.
11401 If the prefix argument is zero, mark thread as expired.
11402 If the prefix argument is negative, tick articles instead."
11403 (interactive "P")
11404 (when unmark
11405 (setq unmark (prefix-numeric-value unmark)))
11406 (let ((articles (gnus-summary-articles-in-thread))
11407 (hide (or (null unmark) (= unmark 0))))
11408 (save-excursion
11409 ;; Expand the thread.
11410 (gnus-summary-show-thread)
11411 ;; Mark all the articles.
11412 (while articles
11413 (gnus-summary-goto-subject (car articles))
11414 (cond ((null unmark)
11415 (gnus-summary-mark-article-as-read gnus-killed-mark))
11416 ((> unmark 0)
11417 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11418 ((= unmark 0)
11419 (gnus-summary-mark-article-as-unread gnus-expirable-mark))
11421 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11422 (setq articles (cdr articles))))
11423 ;; Hide killed subtrees when hide is true.
11424 (and hide
11425 gnus-thread-hide-killed
11426 (gnus-summary-hide-thread))
11427 ;; If hide is t, go to next unread subject.
11428 (when hide
11429 ;; Go to next unread subject.
11430 (gnus-summary-next-subject 1 t)))
11431 (gnus-set-mode-line 'summary))
11433 ;; Summary sorting commands
11435 (defun gnus-summary-sort-by-number (&optional reverse)
11436 "Sort the summary buffer by article number.
11437 Argument REVERSE means reverse order."
11438 (interactive "P")
11439 (gnus-summary-sort 'number reverse))
11441 (defun gnus-summary-sort-by-random (&optional reverse)
11442 "Randomize the order in the summary buffer.
11443 Argument REVERSE means to randomize in reverse order."
11444 (interactive "P")
11445 (gnus-summary-sort 'random reverse))
11447 (defun gnus-summary-sort-by-author (&optional reverse)
11448 "Sort the summary buffer by author name alphabetically.
11449 If `case-fold-search' is non-nil, case of letters is ignored.
11450 Argument REVERSE means reverse order."
11451 (interactive "P")
11452 (gnus-summary-sort 'author reverse))
11454 (defun gnus-summary-sort-by-recipient (&optional reverse)
11455 "Sort the summary buffer by recipient name alphabetically.
11456 If `case-fold-search' is non-nil, case of letters is ignored.
11457 Argument REVERSE means reverse order."
11458 (interactive "P")
11459 (gnus-summary-sort 'recipient reverse))
11461 (defun gnus-summary-sort-by-subject (&optional reverse)
11462 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11463 If `case-fold-search' is non-nil, case of letters is ignored.
11464 Argument REVERSE means reverse order."
11465 (interactive "P")
11466 (gnus-summary-sort 'subject reverse))
11468 (defun gnus-summary-sort-by-date (&optional reverse)
11469 "Sort the summary buffer by date.
11470 Argument REVERSE means reverse order."
11471 (interactive "P")
11472 (gnus-summary-sort 'date reverse))
11474 (defun gnus-summary-sort-by-score (&optional reverse)
11475 "Sort the summary buffer by score.
11476 Argument REVERSE means reverse order."
11477 (interactive "P")
11478 (gnus-summary-sort 'score reverse))
11480 (defun gnus-summary-sort-by-lines (&optional reverse)
11481 "Sort the summary buffer by the number of lines.
11482 Argument REVERSE means reverse order."
11483 (interactive "P")
11484 (gnus-summary-sort 'lines reverse))
11486 (defun gnus-summary-sort-by-chars (&optional reverse)
11487 "Sort the summary buffer by article length.
11488 Argument REVERSE means reverse order."
11489 (interactive "P")
11490 (gnus-summary-sort 'chars reverse))
11492 (defun gnus-summary-sort-by-original (&optional reverse)
11493 "Sort the summary buffer using the default sorting method.
11494 Argument REVERSE means reverse order."
11495 (interactive "P")
11496 (let* ((buffer-read-only)
11497 (gnus-summary-prepare-hook nil))
11498 ;; We do the sorting by regenerating the threads.
11499 (gnus-summary-prepare)
11500 ;; Hide subthreads if needed.
11501 (gnus-summary-maybe-hide-threads)))
11503 (defun gnus-summary-sort (predicate reverse)
11504 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11505 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11506 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11507 (gnus-thread-sort-functions
11508 (if (not reverse)
11509 thread
11510 `(lambda (t1 t2)
11511 (,thread t2 t1))))
11512 (gnus-sort-gathered-threads-function
11513 gnus-thread-sort-functions)
11514 (gnus-article-sort-functions
11515 (if (not reverse)
11516 article
11517 `(lambda (t1 t2)
11518 (,article t2 t1))))
11519 (buffer-read-only)
11520 (gnus-summary-prepare-hook nil))
11521 ;; We do the sorting by regenerating the threads.
11522 (gnus-summary-prepare)
11523 ;; Hide subthreads if needed.
11524 (gnus-summary-maybe-hide-threads)))
11526 ;; Summary saving commands.
11528 (defun gnus-summary-save-article (&optional n not-saved)
11529 "Save the current article using the default saver function.
11530 If N is a positive number, save the N next articles.
11531 If N is a negative number, save the N previous articles.
11532 If N is nil and any articles have been marked with the process mark,
11533 save those articles instead.
11534 The variable `gnus-default-article-saver' specifies the saver function.
11536 If the optional second argument NOT-SAVED is non-nil, articles saved
11537 will not be marked as saved."
11538 (interactive "P")
11539 (require 'gnus-art)
11540 (let* ((articles (gnus-summary-work-articles n))
11541 (save-buffer (save-excursion
11542 (nnheader-set-temp-buffer " *Gnus Save*")))
11543 (num (length articles))
11544 ;; Whether to save decoded articles or raw articles.
11545 (decode (when gnus-article-save-coding-system
11546 (get gnus-default-article-saver :decode)))
11547 ;; When saving many articles in a single file, use the other
11548 ;; function to save articles other than the first one.
11549 (saver2 (get gnus-default-article-saver :function))
11550 (gnus-prompt-before-saving (if saver2
11552 gnus-prompt-before-saving))
11553 (gnus-default-article-saver gnus-default-article-saver)
11554 header file)
11555 (dolist (article articles)
11556 (setq header (gnus-summary-article-header article))
11557 (if (not (vectorp header))
11558 ;; This is a pseudo-article.
11559 (if (assq 'name header)
11560 (gnus-copy-file (cdr (assq 'name header)))
11561 (gnus-message 1 "Article %d is unsaveable" article))
11562 ;; This is a real article.
11563 (save-window-excursion
11564 (let ((gnus-display-mime-function (when decode
11565 gnus-display-mime-function))
11566 (gnus-article-prepare-hook (when decode
11567 gnus-article-prepare-hook)))
11568 (gnus-summary-select-article t nil nil article)
11569 (gnus-summary-goto-subject article)))
11570 (save-excursion
11571 (set-buffer save-buffer)
11572 (erase-buffer)
11573 (insert-buffer-substring (if decode
11574 gnus-article-buffer
11575 gnus-original-article-buffer)))
11576 (setq file (gnus-article-save save-buffer file num))
11577 (gnus-summary-remove-process-mark article)
11578 (unless not-saved
11579 (gnus-summary-set-saved-mark article)))
11580 (when saver2
11581 (setq gnus-default-article-saver saver2
11582 saver2 nil)))
11583 (gnus-kill-buffer save-buffer)
11584 (gnus-summary-position-point)
11585 (gnus-set-mode-line 'summary)
11588 (defun gnus-summary-pipe-output (&optional arg headers)
11589 "Pipe the current article to a subprocess.
11590 If N is a positive number, pipe the N next articles.
11591 If N is a negative number, pipe the N previous articles.
11592 If N is nil and any articles have been marked with the process mark,
11593 pipe those articles instead.
11594 If HEADERS (the symbolic prefix), include the headers, too."
11595 (interactive (gnus-interactive "P\ny"))
11596 (require 'gnus-art)
11597 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
11598 (gnus-save-all-headers (or headers gnus-save-all-headers)))
11599 (gnus-summary-save-article arg t))
11600 (let ((buffer (get-buffer "*Shell Command Output*")))
11601 (when (and buffer
11602 (not (zerop (buffer-size buffer))))
11603 (gnus-configure-windows 'pipe))))
11605 (defun gnus-summary-save-article-mail (&optional arg)
11606 "Append the current article to a Unix mail box file.
11607 If N is a positive number, save the N next articles.
11608 If N is a negative number, save the N previous articles.
11609 If N is nil and any articles have been marked with the process mark,
11610 save those articles instead."
11611 (interactive "P")
11612 (require 'gnus-art)
11613 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11614 (gnus-summary-save-article arg)))
11616 (defun gnus-summary-save-article-rmail (&optional arg)
11617 "Append the current article to an rmail file.
11618 If N is a positive number, save the N next articles.
11619 If N is a negative number, save the N previous articles.
11620 If N is nil and any articles have been marked with the process mark,
11621 save those articles instead."
11622 (interactive "P")
11623 (require 'gnus-art)
11624 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11625 (gnus-summary-save-article arg)))
11627 (defun gnus-summary-save-article-file (&optional arg)
11628 "Append the current article to a file.
11629 If N is a positive number, save the N next articles.
11630 If N is a negative number, save the N previous articles.
11631 If N is nil and any articles have been marked with the process mark,
11632 save those articles instead."
11633 (interactive "P")
11634 (require 'gnus-art)
11635 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11636 (gnus-summary-save-article arg)))
11638 (defun gnus-summary-write-article-file (&optional arg)
11639 "Write the current article to a file, deleting the previous file.
11640 If N is a positive number, save the N next articles.
11641 If N is a negative number, save the N previous articles.
11642 If N is nil and any articles have been marked with the process mark,
11643 save those articles instead."
11644 (interactive "P")
11645 (require 'gnus-art)
11646 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11647 (gnus-summary-save-article arg)))
11649 (defun gnus-summary-save-article-body-file (&optional arg)
11650 "Append the current article body to a file.
11651 If N is a positive number, save the N next articles.
11652 If N is a negative number, save the N previous articles.
11653 If N is nil and any articles have been marked with the process mark,
11654 save those articles instead."
11655 (interactive "P")
11656 (require 'gnus-art)
11657 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11658 (gnus-summary-save-article arg)))
11660 (defun gnus-summary-write-article-body-file (&optional arg)
11661 "Write the current article body to a file, deleting the previous file.
11662 If N is a positive number, save the N next articles.
11663 If N is a negative number, save the N previous articles.
11664 If N is nil and any articles have been marked with the process mark,
11665 save those articles instead."
11666 (interactive "P")
11667 (require 'gnus-art)
11668 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
11669 (gnus-summary-save-article arg)))
11671 (defun gnus-summary-muttprint (&optional arg)
11672 "Print the current article using Muttprint.
11673 If N is a positive number, save the N next articles.
11674 If N is a negative number, save the N previous articles.
11675 If N is nil and any articles have been marked with the process mark,
11676 save those articles instead."
11677 (interactive "P")
11678 (require 'gnus-art)
11679 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11680 (gnus-summary-save-article arg t)))
11682 (defun gnus-summary-pipe-message (program)
11683 "Pipe the current article through PROGRAM."
11684 (interactive "sProgram: ")
11685 (gnus-summary-select-article)
11686 (let ((mail-header-separator ""))
11687 (gnus-eval-in-buffer-window gnus-article-buffer
11688 (save-restriction
11689 (widen)
11690 (let ((start (window-start))
11691 buffer-read-only)
11692 (message-pipe-buffer-body program)
11693 (set-window-start (get-buffer-window (current-buffer)) start))))))
11695 (defun gnus-get-split-value (methods)
11696 "Return a value based on the split METHODS."
11697 (let (split-name method result match)
11698 (when methods
11699 (save-excursion
11700 (set-buffer gnus-original-article-buffer)
11701 (save-restriction
11702 (nnheader-narrow-to-headers)
11703 (while (and methods (not split-name))
11704 (goto-char (point-min))
11705 (setq method (pop methods))
11706 (setq match (car method))
11707 (when (cond
11708 ((stringp match)
11709 ;; Regular expression.
11710 (ignore-errors
11711 (re-search-forward match nil t)))
11712 ((functionp match)
11713 ;; Function.
11714 (save-restriction
11715 (widen)
11716 (setq result (funcall match gnus-newsgroup-name))))
11717 ((consp match)
11718 ;; Form.
11719 (save-restriction
11720 (widen)
11721 (setq result (eval match)))))
11722 (setq split-name (cdr method))
11723 (cond ((stringp result)
11724 (push (expand-file-name
11725 result gnus-article-save-directory)
11726 split-name))
11727 ((consp result)
11728 (setq split-name (append result split-name)))))))))
11729 (nreverse split-name)))
11731 (defun gnus-valid-move-group-p (group)
11732 (and (boundp group)
11733 (symbol-name group)
11734 (symbol-value group)
11735 (gnus-get-function (gnus-find-method-for-group
11736 (symbol-name group)) 'request-accept-article t)))
11738 (defun gnus-read-move-group-name (prompt default articles prefix)
11739 "Read a group name."
11740 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11741 (minibuffer-confirm-incomplete nil) ; XEmacs
11742 (prom
11743 (format "%s %s to"
11744 prompt
11745 (if (> (length articles) 1)
11746 (format "these %d articles" (length articles))
11747 "this article")))
11748 (to-newsgroup
11749 (let (active group)
11750 (when (or (null split-name) (= 1 (length split-name)))
11751 (setq active (gnus-make-hashtable (length gnus-active-hashtb)))
11752 (mapatoms (lambda (symbol)
11753 (setq group (symbol-name symbol))
11754 (when (string-match "[^\000-\177]" group)
11755 (setq group (gnus-group-decoded-name group)))
11756 (set (intern group active) group))
11757 gnus-active-hashtb))
11758 (cond
11759 ((null split-name)
11760 (gnus-completing-read-with-default
11761 default prom active 'gnus-valid-move-group-p nil prefix
11762 'gnus-group-history))
11763 ((= 1 (length split-name))
11764 (gnus-completing-read-with-default
11765 (car split-name) prom active 'gnus-valid-move-group-p nil nil
11766 'gnus-group-history))
11768 (gnus-completing-read-with-default
11769 nil prom (mapcar 'list (nreverse split-name)) nil nil nil
11770 'gnus-group-history)))))
11771 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
11772 encoded)
11773 (when to-newsgroup
11774 (if (or (string= to-newsgroup "")
11775 (string= to-newsgroup prefix))
11776 (setq to-newsgroup default))
11777 (unless to-newsgroup
11778 (error "No group name entered"))
11779 (setq encoded (mm-encode-coding-string
11780 to-newsgroup
11781 (gnus-group-name-charset to-method to-newsgroup)))
11782 (or (gnus-active encoded)
11783 (gnus-activate-group encoded nil nil to-method)
11784 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11785 to-newsgroup))
11786 (or (and (gnus-request-create-group encoded to-method)
11787 (gnus-activate-group encoded nil nil to-method)
11788 (gnus-subscribe-group encoded))
11789 (error "Couldn't create group %s" to-newsgroup)))
11790 (error "No such group: %s" to-newsgroup))
11791 encoded)))
11793 (defvar gnus-summary-save-parts-counter)
11795 (defun gnus-summary-save-parts (type dir n &optional reverse)
11796 "Save parts matching TYPE to DIR.
11797 If REVERSE, save parts that do not match TYPE."
11798 (interactive
11799 (list (read-string "Save parts of type: "
11800 (or (car gnus-summary-save-parts-type-history)
11801 gnus-summary-save-parts-default-mime)
11802 'gnus-summary-save-parts-type-history)
11803 (setq gnus-summary-save-parts-last-directory
11804 (read-file-name "Save to directory: "
11805 gnus-summary-save-parts-last-directory
11806 nil t))
11807 current-prefix-arg))
11808 (gnus-summary-iterate n
11809 (let ((gnus-display-mime-function nil)
11810 (gnus-inhibit-treatment t))
11811 (gnus-summary-select-article))
11812 (save-excursion
11813 (set-buffer gnus-article-buffer)
11814 (let ((handles (or gnus-article-mime-handles
11815 (mm-dissect-buffer nil gnus-article-loose-mime)
11816 (and gnus-article-emulate-mime
11817 (mm-uu-dissect))))
11818 (gnus-summary-save-parts-counter 1))
11819 (when handles
11820 (gnus-summary-save-parts-1 type dir handles reverse)
11821 (unless gnus-article-mime-handles ;; Don't destroy this case.
11822 (mm-destroy-parts handles)))))))
11824 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11825 (if (stringp (car handle))
11826 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11827 (cdr handle))
11828 (when (if reverse
11829 (not (string-match type (mm-handle-media-type handle)))
11830 (string-match type (mm-handle-media-type handle)))
11831 (let ((file (expand-file-name
11832 (gnus-map-function
11833 mm-file-name-rewrite-functions
11834 (file-name-nondirectory
11836 (mail-content-type-get
11837 (mm-handle-disposition handle) 'filename)
11838 (mail-content-type-get
11839 (mm-handle-type handle) 'name)
11840 (format "%s.%d.%d" gnus-newsgroup-name
11841 (cdr gnus-article-current)
11842 gnus-summary-save-parts-counter))))
11843 dir)))
11844 (incf gnus-summary-save-parts-counter)
11845 (unless (file-exists-p file)
11846 (mm-save-part-to-file handle file))))))
11848 ;; Summary extract commands
11850 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11851 (let ((buffer-read-only nil)
11852 (article (gnus-summary-article-number))
11853 after-article b e)
11854 (unless (gnus-summary-goto-subject article)
11855 (error "No such article: %d" article))
11856 (gnus-summary-position-point)
11857 ;; If all commands are to be bunched up on one line, we collect
11858 ;; them here.
11859 (unless gnus-view-pseudos-separately
11860 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11861 files action)
11862 (while ps
11863 (setq action (cdr (assq 'action (car ps))))
11864 (setq files (list (cdr (assq 'name (car ps)))))
11865 (while (and ps (cdr ps)
11866 (string= (or action "1")
11867 (or (cdr (assq 'action (cadr ps))) "2")))
11868 (push (cdr (assq 'name (cadr ps))) files)
11869 (setcdr ps (cddr ps)))
11870 (when files
11871 (when (not (string-match "%s" action))
11872 (push " " files))
11873 (push " " files)
11874 (when (assq 'execute (car ps))
11875 (setcdr (assq 'execute (car ps))
11876 (funcall (if (string-match "%s" action)
11877 'format 'concat)
11878 action
11879 (mapconcat
11880 (lambda (f)
11881 (if (equal f " ")
11883 (shell-quote-argument f)))
11884 files " ")))))
11885 (setq ps (cdr ps)))))
11886 (if (and gnus-view-pseudos (not not-view))
11887 (while pslist
11888 (when (assq 'execute (car pslist))
11889 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11890 (eq gnus-view-pseudos 'not-confirm)))
11891 (setq pslist (cdr pslist)))
11892 (save-excursion
11893 (while pslist
11894 (setq after-article (or (cdr (assq 'article (car pslist)))
11895 (gnus-summary-article-number)))
11896 (gnus-summary-goto-subject after-article)
11897 (forward-line 1)
11898 (setq b (point))
11899 (insert " " (file-name-nondirectory
11900 (cdr (assq 'name (car pslist))))
11901 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11902 (setq e (point))
11903 (forward-line -1) ; back to `b'
11904 (gnus-add-text-properties
11905 b (1- e) (list 'gnus-number gnus-reffed-article-number
11906 gnus-mouse-face-prop gnus-mouse-face))
11907 (gnus-data-enter
11908 after-article gnus-reffed-article-number
11909 gnus-unread-mark b (car pslist) 0 (- e b))
11910 (setq gnus-newsgroup-unreads
11911 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11912 gnus-reffed-article-number))
11913 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11914 (setq pslist (cdr pslist)))))))
11916 (defun gnus-pseudos< (p1 p2)
11917 (let ((c1 (cdr (assq 'action p1)))
11918 (c2 (cdr (assq 'action p2))))
11919 (and c1 c2 (string< c1 c2))))
11921 (defun gnus-request-pseudo-article (props)
11922 (cond ((assq 'execute props)
11923 (gnus-execute-command (cdr (assq 'execute props)))))
11924 (let ((gnus-current-article (gnus-summary-article-number)))
11925 (gnus-run-hooks 'gnus-mark-article-hook)))
11927 (defun gnus-execute-command (command &optional automatic)
11928 (save-excursion
11929 (gnus-article-setup-buffer)
11930 (set-buffer gnus-article-buffer)
11931 (setq buffer-read-only nil)
11932 (let ((command (if automatic command
11933 (read-string "Command: " (cons command 0)))))
11934 (erase-buffer)
11935 (insert "$ " command "\n\n")
11936 (if gnus-view-pseudo-asynchronously
11937 (start-process "gnus-execute" (current-buffer) shell-file-name
11938 shell-command-switch command)
11939 (call-process shell-file-name nil t nil
11940 shell-command-switch command)))))
11942 ;; Summary kill commands.
11944 (defun gnus-summary-edit-global-kill (article)
11945 "Edit the \"global\" kill file."
11946 (interactive (list (gnus-summary-article-number)))
11947 (gnus-group-edit-global-kill article))
11949 (defun gnus-summary-edit-local-kill ()
11950 "Edit a local kill file applied to the current newsgroup."
11951 (interactive)
11952 (setq gnus-current-headers (gnus-summary-article-header))
11953 (gnus-group-edit-local-kill
11954 (gnus-summary-article-number) gnus-newsgroup-name))
11956 ;;; Header reading.
11958 (defun gnus-read-header (id &optional header)
11959 "Read the headers of article ID and enter them into the Gnus system."
11960 (let ((group gnus-newsgroup-name)
11961 (gnus-override-method
11963 gnus-override-method
11964 (and (gnus-news-group-p gnus-newsgroup-name)
11965 (car (gnus-refer-article-methods)))))
11966 where)
11967 ;; First we check to see whether the header in question is already
11968 ;; fetched.
11969 (if (stringp id)
11970 ;; This is a Message-ID.
11971 (setq header (or header (gnus-id-to-header id)))
11972 ;; This is an article number.
11973 (setq header (or header (gnus-summary-article-header id))))
11974 (if (and header
11975 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11976 ;; We have found the header.
11977 header
11978 ;; We have to really fetch the header to this article.
11979 (save-excursion
11980 (set-buffer nntp-server-buffer)
11981 (when (setq where (gnus-request-head id group))
11982 (nnheader-fold-continuation-lines)
11983 (goto-char (point-max))
11984 (insert ".\n")
11985 (goto-char (point-min))
11986 (insert "211 ")
11987 (princ (cond
11988 ((numberp id) id)
11989 ((cdr where) (cdr where))
11990 (header (mail-header-number header))
11991 (t gnus-reffed-article-number))
11992 (current-buffer))
11993 (insert " Article retrieved.\n"))
11994 (if (or (not where)
11995 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11996 () ; Malformed head.
11997 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11998 (when (and (stringp id)
12000 (not (string= (gnus-group-real-name group)
12001 (car where)))
12002 (not (gnus-server-equal gnus-override-method
12003 (gnus-group-method group)))))
12004 ;; If we fetched by Message-ID and the article came from
12005 ;; a different group (or server), we fudge some bogus
12006 ;; article numbers for this article.
12007 (mail-header-set-number header gnus-reffed-article-number))
12008 (save-excursion
12009 (set-buffer gnus-summary-buffer)
12010 (decf gnus-reffed-article-number)
12011 (gnus-remove-header (mail-header-number header))
12012 (push header gnus-newsgroup-headers)
12013 (setq gnus-current-headers header)
12014 (push (mail-header-number header) gnus-newsgroup-limit)))
12015 header)))))
12017 (defun gnus-remove-header (number)
12018 "Remove header NUMBER from `gnus-newsgroup-headers'."
12019 (if (and gnus-newsgroup-headers
12020 (= number (mail-header-number (car gnus-newsgroup-headers))))
12021 (pop gnus-newsgroup-headers)
12022 (let ((headers gnus-newsgroup-headers))
12023 (while (and (cdr headers)
12024 (not (= number (mail-header-number (cadr headers)))))
12025 (pop headers))
12026 (when (cdr headers)
12027 (setcdr headers (cddr headers))))))
12030 ;;; summary highlights
12033 (defun gnus-highlight-selected-summary ()
12034 "Highlight selected article in summary buffer."
12035 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12036 (when gnus-summary-selected-face
12037 (save-excursion
12038 (let* ((beg (point-at-bol))
12039 (end (point-at-eol))
12040 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12041 (from (if (get-text-property beg gnus-mouse-face-prop)
12043 (or (next-single-property-change
12044 beg gnus-mouse-face-prop nil end)
12045 beg)))
12047 (if (= from end)
12048 (- from 2)
12049 (or (next-single-property-change
12050 from gnus-mouse-face-prop nil end)
12051 end))))
12052 ;; If no mouse-face prop on line we will have to = from = end,
12053 ;; so we highlight the entire line instead.
12054 (when (= (+ to 2) from)
12055 (setq from beg)
12056 (setq to end))
12057 (if gnus-newsgroup-selected-overlay
12058 ;; Move old overlay.
12059 (gnus-move-overlay
12060 gnus-newsgroup-selected-overlay from to (current-buffer))
12061 ;; Create new overlay.
12062 (gnus-overlay-put
12063 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12064 'face gnus-summary-selected-face))))))
12066 (defvar gnus-summary-highlight-line-cached nil)
12067 (defvar gnus-summary-highlight-line-trigger nil)
12069 (defun gnus-summary-highlight-line-0 ()
12070 (if (and (eq gnus-summary-highlight-line-trigger
12071 gnus-summary-highlight)
12072 gnus-summary-highlight-line-cached)
12073 gnus-summary-highlight-line-cached
12074 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12075 gnus-summary-highlight-line-cached
12076 (let* ((cond (list 'cond))
12077 (c cond)
12078 (list gnus-summary-highlight))
12079 (while list
12080 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12081 nil))
12082 (setq c (cdr c)
12083 list (cdr list)))
12084 (gnus-byte-compile (list 'lambda nil cond))))))
12086 (defun gnus-summary-highlight-line ()
12087 "Highlight current line according to `gnus-summary-highlight'."
12088 (let* ((beg (point-at-bol))
12089 (article (or (gnus-summary-article-number) gnus-current-article))
12090 (score (or (cdr (assq article
12091 gnus-newsgroup-scored))
12092 gnus-summary-default-score 0))
12093 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12094 (inhibit-read-only t)
12095 (default gnus-summary-default-score)
12096 (default-high gnus-summary-default-high-score)
12097 (default-low gnus-summary-default-low-score)
12098 (uncached (and gnus-summary-use-undownloaded-faces
12099 (memq article gnus-newsgroup-undownloaded)
12100 (not (memq article gnus-newsgroup-cached)))))
12101 (let ((face (funcall (gnus-summary-highlight-line-0))))
12102 (unless (eq face (get-text-property beg 'face))
12103 (gnus-put-text-property-excluding-characters-with-faces
12104 beg (point-at-eol) 'face
12105 (setq face (if (boundp face) (symbol-value face) face)))
12106 (when gnus-summary-highlight-line-function
12107 (funcall gnus-summary-highlight-line-function article face))))))
12109 (defun gnus-update-read-articles (group unread &optional compute)
12110 "Update the list of read articles in GROUP.
12111 UNREAD is a sorted list."
12112 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12113 (info (gnus-get-info group))
12114 (prev 1)
12115 read)
12116 (if (or (not info) (not active))
12117 ;; There is no info on this group if it was, in fact,
12118 ;; killed. Gnus stores no information on killed groups, so
12119 ;; there's nothing to be done.
12120 ;; One could store the information somewhere temporarily,
12121 ;; perhaps... Hmmm...
12123 ;; Remove any negative articles numbers.
12124 (while (and unread (< (car unread) 0))
12125 (setq unread (cdr unread)))
12126 ;; Remove any expired article numbers
12127 (while (and unread (< (car unread) (car active)))
12128 (setq unread (cdr unread)))
12129 ;; Compute the ranges of read articles by looking at the list of
12130 ;; unread articles.
12131 (while unread
12132 (when (/= (car unread) prev)
12133 (push (if (= prev (1- (car unread))) prev
12134 (cons prev (1- (car unread))))
12135 read))
12136 (setq prev (1+ (car unread)))
12137 (setq unread (cdr unread)))
12138 (when (<= prev (cdr active))
12139 (push (cons prev (cdr active)) read))
12140 (setq read (if (> (length read) 1) (nreverse read) read))
12141 (if compute
12142 read
12143 (save-excursion
12144 (let (setmarkundo)
12145 ;; Propagate the read marks to the backend.
12146 (when (gnus-check-backend-function 'request-set-mark group)
12147 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12148 (add (gnus-remove-from-range read (gnus-info-read info))))
12149 (when (or add del)
12150 (unless (gnus-check-group group)
12151 (error "Can't open server for %s" group))
12152 (gnus-request-set-mark
12153 group (delq nil (list (if add (list add 'add '(read)))
12154 (if del (list del 'del '(read))))))
12155 (setq setmarkundo
12156 `(gnus-request-set-mark
12157 ,group
12158 ',(delq nil (list
12159 (if del (list del 'add '(read)))
12160 (if add (list add 'del '(read))))))))))
12161 (set-buffer gnus-group-buffer)
12162 (gnus-undo-register
12163 `(progn
12164 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12165 (gnus-info-set-read ',info ',(gnus-info-read info))
12166 (gnus-get-unread-articles-in-group ',info
12167 (gnus-active ,group))
12168 (gnus-group-update-group ,group t)
12169 ,setmarkundo))))
12170 ;; Enter this list into the group info.
12171 (gnus-info-set-read info read)
12172 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12173 (gnus-get-unread-articles-in-group info (gnus-active group))
12174 t))))
12176 (defun gnus-offer-save-summaries ()
12177 "Offer to save all active summary buffers."
12178 (let (buffers)
12179 ;; Go through all buffers and find all summaries.
12180 (dolist (buffer (buffer-list))
12181 (when (and (setq buffer (buffer-name buffer))
12182 (string-match "Summary" buffer)
12183 (with-current-buffer buffer
12184 ;; We check that this is, indeed, a summary buffer.
12185 (and (eq major-mode 'gnus-summary-mode)
12186 ;; Also make sure this isn't bogus.
12187 gnus-newsgroup-prepared
12188 ;; Also make sure that this isn't a
12189 ;; dead summary buffer.
12190 (not gnus-dead-summary-mode))))
12191 (push buffer buffers)))
12192 ;; Go through all these summary buffers and offer to save them.
12193 (when buffers
12194 (save-excursion
12195 (map-y-or-n-p
12196 "Update summary buffer %s? "
12197 (lambda (buf)
12198 (switch-to-buffer buf)
12199 (gnus-summary-exit))
12200 buffers)))))
12202 (defun gnus-summary-setup-default-charset ()
12203 "Setup newsgroup default charset."
12204 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12205 (setq gnus-newsgroup-charset nil)
12206 (let* ((ignored-charsets
12207 (or gnus-newsgroup-ephemeral-ignored-charsets
12208 (append
12209 (and gnus-newsgroup-name
12210 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12211 gnus-newsgroup-ignored-charsets))))
12212 (setq gnus-newsgroup-charset
12213 (or gnus-newsgroup-ephemeral-charset
12214 (and gnus-newsgroup-name
12215 (gnus-parameter-charset gnus-newsgroup-name))
12216 gnus-default-charset))
12217 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12218 ignored-charsets))))
12221 ;;; Mime Commands
12224 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12225 "Display the current article buffer fully MIME-buttonized.
12226 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12227 treated as multipart/mixed."
12228 (interactive "P")
12229 (require 'gnus-art)
12230 (let ((gnus-unbuttonized-mime-types nil)
12231 (gnus-mime-display-multipart-as-mixed show-all-parts))
12232 (gnus-summary-show-article)))
12234 (defun gnus-summary-repair-multipart (article)
12235 "Add a Content-Type header to a multipart article without one."
12236 (interactive (list (gnus-summary-article-number)))
12237 (gnus-with-article article
12238 (message-narrow-to-head)
12239 (message-remove-header "Mime-Version")
12240 (goto-char (point-max))
12241 (insert "Mime-Version: 1.0\n")
12242 (widen)
12243 (when (search-forward "\n--" nil t)
12244 (let ((separator (buffer-substring (point) (point-at-eol))))
12245 (message-narrow-to-head)
12246 (message-remove-header "Content-Type")
12247 (goto-char (point-max))
12248 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12249 separator))
12250 (widen))))
12251 (let (gnus-mark-article-hook)
12252 (gnus-summary-select-article t t nil article)))
12254 (defun gnus-summary-toggle-display-buttonized ()
12255 "Toggle the buttonizing of the article buffer."
12256 (interactive)
12257 (require 'gnus-art)
12258 (if (setq gnus-inhibit-mime-unbuttonizing
12259 (not gnus-inhibit-mime-unbuttonizing))
12260 (let ((gnus-unbuttonized-mime-types nil))
12261 (gnus-summary-show-article))
12262 (gnus-summary-show-article)))
12265 ;;; Generic summary marking commands
12268 (defvar gnus-summary-marking-alist
12269 '((read gnus-del-mark "d")
12270 (unread gnus-unread-mark "u")
12271 (ticked gnus-ticked-mark "!")
12272 (dormant gnus-dormant-mark "?")
12273 (expirable gnus-expirable-mark "e"))
12274 "An alist of names/marks/keystrokes.")
12276 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12277 (defvar gnus-summary-mark-map)
12279 (defun gnus-summary-make-all-marking-commands ()
12280 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12281 (dolist (elem gnus-summary-marking-alist)
12282 (apply 'gnus-summary-make-marking-command elem)))
12284 (defun gnus-summary-make-marking-command (name mark keystroke)
12285 (let ((map (make-sparse-keymap)))
12286 (define-key gnus-summary-generic-mark-map keystroke map)
12287 (dolist (lway `((next "next" next nil "n")
12288 (next-unread "next unread" next t "N")
12289 (prev "previous" prev nil "p")
12290 (prev-unread "previous unread" prev t "P")
12291 (nomove "" nil nil ,keystroke)))
12292 (let ((func (gnus-summary-make-marking-command-1
12293 mark (car lway) lway name)))
12294 (setq func (eval func))
12295 (define-key map (nth 4 lway) func)))))
12297 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12298 `(defun ,(intern
12299 (format "gnus-summary-put-mark-as-%s%s"
12300 name (if (eq way 'nomove)
12302 (concat "-" (symbol-name way)))))
12304 ,(format
12305 "Mark the current article as %s%s.
12306 If N, the prefix, then repeat N times.
12307 If N is negative, move in reverse order.
12308 The difference between N and the actual number of articles marked is
12309 returned."
12310 name (cadr lway))
12311 (interactive "p")
12312 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12314 (defun gnus-summary-generic-mark (n mark move unread)
12315 "Mark N articles with MARK."
12316 (unless (eq major-mode 'gnus-summary-mode)
12317 (error "This command can only be used in the summary buffer"))
12318 (gnus-summary-show-thread)
12319 (let ((nummove
12320 (cond
12321 ((eq move 'next) 1)
12322 ((eq move 'prev) -1)
12323 (t 0))))
12324 (if (zerop nummove)
12325 (setq n 1)
12326 (when (< n 0)
12327 (setq n (abs n)
12328 nummove (* -1 nummove))))
12329 (while (and (> n 0)
12330 (gnus-summary-mark-article nil mark)
12331 (zerop (gnus-summary-next-subject nummove unread t)))
12332 (setq n (1- n)))
12333 (when (/= 0 n)
12334 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12335 (gnus-summary-recenter)
12336 (gnus-summary-position-point)
12337 (gnus-set-mode-line 'summary)
12340 (defun gnus-summary-insert-articles (articles)
12341 (when (setq articles
12342 (gnus-sorted-difference articles
12343 (mapcar (lambda (h)
12344 (mail-header-number h))
12345 gnus-newsgroup-headers)))
12346 (setq gnus-newsgroup-headers
12347 (gnus-merge 'list
12348 gnus-newsgroup-headers
12349 (gnus-fetch-headers articles)
12350 'gnus-article-sort-by-number))
12351 ;; Suppress duplicates?
12352 (when gnus-suppress-duplicates
12353 (gnus-dup-suppress-articles))
12355 (if (and gnus-fetch-old-headers
12356 (eq gnus-headers-retrieved-by 'nov))
12357 ;; We might want to build some more threads first.
12358 (if (eq gnus-fetch-old-headers 'invisible)
12359 (gnus-build-all-threads)
12360 (gnus-build-old-threads))
12361 ;; Mark the inserted articles that are unread as unread.
12362 (setq gnus-newsgroup-unreads
12363 (gnus-sorted-nunion
12364 gnus-newsgroup-unreads
12365 (gnus-sorted-nintersection
12366 (gnus-list-of-unread-articles gnus-newsgroup-name)
12367 articles)))
12368 ;; Mark the inserted articles as selected so that the information
12369 ;; of the marks having been changed by a user may be updated when
12370 ;; exiting this group. See `gnus-summary-update-info'.
12371 (dolist (art articles)
12372 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12373 ;; Let the Gnus agent mark articles as read.
12374 (when gnus-agent
12375 (gnus-agent-get-undownloaded-list))
12376 ;; Remove list identifiers from subject
12377 (when gnus-list-identifiers
12378 (gnus-summary-remove-list-identifiers))
12379 ;; First and last article in this newsgroup.
12380 (when gnus-newsgroup-headers
12381 (setq gnus-newsgroup-begin
12382 (mail-header-number (car gnus-newsgroup-headers))
12383 gnus-newsgroup-end
12384 (mail-header-number
12385 (gnus-last-element gnus-newsgroup-headers))))
12386 (when gnus-use-scoring
12387 (gnus-possibly-score-headers))))
12389 (defun gnus-summary-insert-old-articles (&optional all)
12390 "Insert all old articles in this group.
12391 If ALL is non-nil, already read articles become readable.
12392 If ALL is a number, fetch this number of articles."
12393 (interactive "P")
12394 (prog1
12395 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12396 older len)
12397 (setq older
12398 ;; Some nntp servers lie about their active range. When
12399 ;; this happens, the active range can be in the millions.
12400 ;; Use a compressed range to avoid creating a huge list.
12401 (gnus-range-difference (list gnus-newsgroup-active) old))
12402 (setq len (gnus-range-length older))
12403 (cond
12404 ((null older) nil)
12405 ((numberp all)
12406 (if (< all len)
12407 (let ((older-range (nreverse older)))
12408 (setq older nil)
12410 (while (> all 0)
12411 (let* ((r (pop older-range))
12412 (min (if (numberp r) r (car r)))
12413 (max (if (numberp r) r (cdr r))))
12414 (while (and (<= min max)
12415 (> all 0))
12416 (push max older)
12417 (setq all (1- all)
12418 max (1- max))))))
12419 (setq older (gnus-uncompress-range older))))
12420 (all
12421 (setq older (gnus-uncompress-range older)))
12423 (when (and (numberp gnus-large-newsgroup)
12424 (> len gnus-large-newsgroup))
12425 (let* ((cursor-in-echo-area nil)
12426 (initial (gnus-parameter-large-newsgroup-initial
12427 gnus-newsgroup-name))
12428 (input
12429 (read-string
12430 (format
12431 "How many articles from %s (%s %d): "
12432 (gnus-group-decoded-name gnus-newsgroup-name)
12433 (if initial "max" "default")
12434 len)
12435 (if initial
12436 (cons (number-to-string initial)
12437 0)))))
12438 (unless (string-match "^[ \t]*$" input)
12439 (setq all (string-to-number input))
12440 (if (< all len)
12441 (let ((older-range (nreverse older)))
12442 (setq older nil)
12444 (while (> all 0)
12445 (let* ((r (pop older-range))
12446 (min (if (numberp r) r (car r)))
12447 (max (if (numberp r) r (cdr r))))
12448 (while (and (<= min max)
12449 (> all 0))
12450 (push max older)
12451 (setq all (1- all)
12452 max (1- max))))))))))
12453 (setq older (gnus-uncompress-range older))))
12454 (if (not older)
12455 (message "No old news.")
12456 (gnus-summary-insert-articles older)
12457 (gnus-summary-limit (gnus-sorted-nunion old older))))
12458 (gnus-summary-position-point)))
12460 (defun gnus-summary-insert-new-articles ()
12461 "Insert all new articles in this group."
12462 (interactive)
12463 (prog1
12464 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12465 (old-active gnus-newsgroup-active)
12466 (nnmail-fetched-sources (list t))
12467 i new)
12468 (setq gnus-newsgroup-active
12469 (gnus-activate-group gnus-newsgroup-name 'scan))
12470 (setq i (cdr gnus-newsgroup-active))
12471 (while (> i (cdr old-active))
12472 (push i new)
12473 (decf i))
12474 (if (not new)
12475 (message "No gnus is bad news")
12476 (gnus-summary-insert-articles new)
12477 (setq gnus-newsgroup-unreads
12478 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12479 (gnus-summary-limit (gnus-sorted-nunion old new))))
12480 (gnus-summary-position-point)))
12482 (gnus-summary-make-all-marking-commands)
12484 (gnus-ems-redefine)
12486 (provide 'gnus-sum)
12488 (run-hooks 'gnus-sum-load-hook)
12490 ;; Local Variables:
12491 ;; coding: iso-8859-1
12492 ;; End:
12494 ;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
12495 ;;; gnus-sum.el ends here