1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996-2014 Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 ;; For Emacs <22.2 and XEmacs.
29 (unless (fboundp 'declare-function
) (defmacro declare-function
(&rest r
))))
33 (when (featurep 'xemacs
)
34 (require 'easy-mmode
))) ; for `define-minor-mode'
36 (defvar tool-bar-mode
)
37 (defvar gnus-tmp-header
)
50 (autoload 'gnus-summary-limit-include-cached
"gnus-cache" nil t
)
51 (autoload 'gnus-cache-write-active
"gnus-cache")
52 (autoload 'gnus-mailing-list-insinuate
"gnus-ml" nil t
)
53 (autoload 'turn-on-gnus-mailing-list-mode
"gnus-ml" nil t
)
54 (autoload 'gnus-pick-line-number
"gnus-salt" nil t
)
55 (autoload 'mm-uu-dissect
"mm-uu")
56 (autoload 'gnus-article-outlook-deuglify-article
"deuglify"
57 "Deuglify broken Outlook (Express) articles and redisplay."
59 (autoload 'gnus-article-outlook-unwrap-lines
"deuglify" nil t
)
60 (autoload 'gnus-article-outlook-repair-attribution
"deuglify" nil t
)
61 (autoload 'gnus-article-outlook-rearrange-citation
"deuglify" nil t
)
62 (autoload 'nnir-article-rsv
"nnir" nil nil
'macro
)
63 (autoload 'nnir-article-group
"nnir" nil nil
'macro
)
65 (defcustom gnus-kill-summary-on-exit t
66 "*If non-nil, kill the summary buffer when you exit from it.
67 If nil, the summary will become a \"*Dead Summary*\" buffer, and
68 it will be killed sometime later."
69 :group
'gnus-summary-exit
72 (defcustom gnus-summary-next-group-on-exit t
73 "If non-nil, go to the next unread newsgroup on summary exit.
74 See `gnus-group-goto-unread'."
75 :link
'(custom-manual "(gnus)Group Maneuvering")
76 :group
'gnus-summary-exit
77 :version
"23.1" ;; No Gnus
80 (defcustom gnus-summary-stop-at-end-of-message nil
81 "If non-nil, don't select the next message when using `SPC'."
82 :link
'(custom-manual "(gnus)Group Maneuvering")
83 :group
'gnus-summary-maneuvering
87 (defcustom gnus-fetch-old-headers nil
88 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
89 If an unread article in the group refers to an older, already
90 read (or just marked as read) article, the old article will not
91 normally be displayed in the Summary buffer. If this variable is
92 t, Gnus will attempt to grab the headers to the old articles, and
93 thereby build complete threads. If it has the value `some', all
94 old headers will be fetched but only enough headers to connect
95 otherwise loose threads will be displayed. This variable can
96 also be a number. In that case, no more than that number of old
97 headers will be fetched. If it has the value `invisible', all
98 old headers will be fetched, but none will be displayed.
100 The server has to support NOV for any of this to work.
102 This feature can seriously impact performance it ignores all
103 locally cached header entries. Setting it to t for groups for a
104 server that doesn't expire articles (such as news.gmane.org),
105 leads to very slow summary generation."
107 :type
'(choice (const :tag
"off" nil
)
112 (sexp :menu-tag
"other" t
)))
114 (defcustom gnus-refer-thread-limit
500
115 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
116 If t, fetch all the available old headers."
118 :type
'(choice number
119 (sexp :menu-tag
"other" t
)))
121 (defcustom gnus-refer-thread-use-nnir nil
122 "*Use nnir to search an entire server when referring threads. A
123 nil value will only search for thread-related articles in the
129 (defcustom gnus-summary-make-false-root
'adopt
130 "*nil means that Gnus won't gather loose threads.
131 If the root of a thread has expired or been read in a previous
132 session, the information necessary to build a complete thread has been
133 lost. Instead of having many small sub-threads from this original thread
134 scattered all over the summary buffer, Gnus can gather them.
136 If non-nil, Gnus will try to gather all loose sub-threads from an
137 original thread into one large thread.
139 If this variable is non-nil, it should be one of `none', `adopt',
142 If this variable is `none', Gnus will not make a false root, but just
143 present the sub-threads after another.
144 If this variable is `dummy', Gnus will create a dummy root that will
145 have all the sub-threads as children.
146 If this variable is `adopt', Gnus will make one of the \"children\"
147 the parent and mark all the step-children as such.
148 If this variable is `empty', the \"children\" are printed with empty
149 subject fields. (Or rather, they will be printed with a string
150 given by the `gnus-summary-same-subject' variable.)"
152 :type
'(choice (const :tag
"off" nil
)
158 (defcustom gnus-summary-make-false-root-always nil
159 "Always make a false dummy root."
164 (defcustom gnus-summary-gather-exclude-subject
"^ *$\\|^(none)$"
165 "*A regexp to match subjects to be excluded from loose thread gathering.
166 As loose thread gathering is done on subjects only, that means that
167 there can be many false gatherings performed. By rooting out certain
168 common subjects, gathering might become saner."
172 (defcustom gnus-summary-gather-subject-limit nil
173 "*Maximum length of subject comparisons when gathering loose threads.
174 Use nil to compare full subjects. Setting this variable to a low
175 number will help gather threads that have been corrupted by
176 newsreaders chopping off subject lines, but it might also mean that
177 unrelated articles that have subject that happen to begin with the
178 same few characters will be incorrectly gathered.
180 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
183 :type
'(choice (const :tag
"off" nil
)
185 (sexp :menu-tag
"on" t
)))
187 (defcustom gnus-simplify-subject-functions nil
188 "List of functions taking a string argument that simplify subjects.
189 The functions are applied recursively.
191 Useful functions to put in this list include:
192 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
193 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
195 :type
'(repeat function
))
197 (defcustom gnus-simplify-ignored-prefixes nil
198 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
200 :type
'(choice (const :tag
"off" nil
)
203 (defcustom gnus-build-sparse-threads nil
204 "*If non-nil, fill in the gaps in threads.
205 If `some', only fill in the gaps that are needed to tie loose threads
206 together. If `more', fill in all leaf nodes that Gnus can find. If
207 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
209 :type
'(choice (const :tag
"off" nil
)
212 (sexp :menu-tag
"all" t
)))
214 (defcustom gnus-summary-thread-gathering-function
215 'gnus-gather-threads-by-subject
216 "*Function used for gathering loose threads.
217 There are two pre-defined functions: `gnus-gather-threads-by-subject',
218 which only takes Subjects into consideration; and
219 `gnus-gather-threads-by-references', which compared the References
220 headers of the articles to find matches."
222 :type
'(radio (function-item gnus-gather-threads-by-subject
)
223 (function-item gnus-gather-threads-by-references
)
224 (function :tag
"other")))
226 (defcustom gnus-summary-same-subject
""
227 "*String indicating that the current article has the same subject as the previous.
228 This variable will only be used if the value of
229 `gnus-summary-make-false-root' is `empty'."
230 :group
'gnus-summary-format
233 (defcustom gnus-summary-goto-unread nil
234 "*If t, many commands will go to the next unread article.
235 This applies to marking commands as well as other commands that
236 \"naturally\" select the next article, like, for instance, `SPC' at
237 the end of an article.
239 If nil, the marking commands do NOT go to the next unread article
240 \(they go to the next article instead). If `never', commands that
241 usually go to the next unread article, will go to the next article,
242 whether it is read or not."
244 :group
'gnus-summary-marks
245 :link
'(custom-manual "(gnus)Setting Marks")
246 :type
'(choice (const :tag
"off" nil
)
248 (sexp :menu-tag
"on" t
)))
250 (defcustom gnus-summary-default-score
0
251 "*Default article score level.
252 All scores generated by the score files will be added to this score.
253 If this variable is nil, scoring will be disabled."
254 :group
'gnus-score-default
255 :type
'(choice (const :tag
"disable")
258 (defcustom gnus-summary-default-high-score
0
259 "*Default threshold for a high scored article.
260 An article will be highlighted as high scored if its score is greater
263 :group
'gnus-score-default
266 (defcustom gnus-summary-default-low-score
0
267 "*Default threshold for a low scored article.
268 An article will be highlighted as low scored if its score is smaller
271 :group
'gnus-score-default
274 (defcustom gnus-summary-zcore-fuzz
0
275 "*Fuzziness factor for the zcore in the summary buffer.
276 Articles with scores closer than this to `gnus-summary-default-score'
278 :group
'gnus-summary-format
281 (defcustom gnus-simplify-subject-fuzzy-regexp nil
282 "*Strings to be removed when doing fuzzy matches.
283 This can either be a regular expression or list of regular expressions
284 that will be removed from subject strings if fuzzy subject
285 simplification is selected."
287 :type
'(repeat regexp
))
289 (defcustom gnus-show-threads t
290 "*If non-nil, display threads in summary mode."
294 (defcustom gnus-thread-hide-subtree nil
295 "*If non-nil, hide all threads initially.
296 This can be a predicate specifier which says which threads to hide.
297 If threads are hidden, you have to run the command
298 `gnus-summary-show-thread' by hand or select an article."
300 :type
'(radio (sexp :format
"Non-nil\n"
301 :match
(lambda (widget value
)
302 (not (or (consp value
) (functionp value
))))
305 (sexp :tag
"Predicate specifier")))
307 (defcustom gnus-thread-hide-killed t
308 "*If non-nil, hide killed threads automatically."
312 (defcustom gnus-thread-ignore-subject t
313 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
314 If nil, articles that have different subjects from their parents will
315 start separate threads."
319 (defcustom gnus-thread-operation-ignore-subject t
320 "*If non-nil, subjects will be ignored when doing thread commands.
321 This affects commands like `gnus-summary-kill-thread' and
322 `gnus-summary-lower-thread'.
324 If this variable is nil, articles in the same thread with different
325 subjects will not be included in the operation in question. If this
326 variable is `fuzzy', only articles that have subjects that are fuzzily
327 equal will be included."
329 :type
'(choice (const :tag
"off" nil
)
333 (defcustom gnus-thread-indent-level
4
334 "*Number that says how much each sub-thread should be indented."
338 (defcustom gnus-auto-extend-newsgroup t
339 "*If non-nil, extend newsgroup forward and backward when requested."
340 :group
'gnus-summary-choose
343 (defcustom gnus-auto-select-first t
344 "If non-nil, select an article on group entry.
345 An article is selected automatically when entering a group
346 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
347 `gnus-summary-catchup-and-goto-next-group'.
349 Which article is selected is controlled by the variable
350 `gnus-auto-select-subject'.
352 If you want to prevent automatic selection of articles in some
353 newsgroups, set the variable to nil in `gnus-select-group-hook'."
354 ;; Commands include...
355 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
356 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
357 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
358 :group
'gnus-group-select
359 :type
'(choice (const :tag
"none" nil
)
360 (sexp :menu-tag
"first" t
)))
362 (defcustom gnus-auto-select-subject
'unseen-or-unread
363 "*Says what subject to place under point when entering a group.
365 This variable can either be the symbols `first' (place point on the
366 first subject), `unread' (place point on the subject line of the first
367 unread article), `best' (place point on the subject line of the
368 highest-scored article), `unseen' (place point on the subject line of
369 the first unseen article), `unseen-or-unread' (place point on the subject
370 line of the first unseen article or, if all articles have been seen, on the
371 subject line of the first unread article), or a function to be called to
372 place point on some subject line."
374 :group
'gnus-group-select
375 :type
'(choice (const best
)
379 (const unseen-or-unread
)
380 (function :tag
"Function to call")))
382 (defcustom gnus-auto-select-next t
383 "*If non-nil, offer to go to the next group from the end of the previous.
384 If the value is t and the next newsgroup is empty, Gnus will exit
385 summary mode and go back to group mode. If the value is neither nil
386 nor t, Gnus will select the following unread newsgroup. In
387 particular, if the value is the symbol `quietly', the next unread
388 newsgroup will be selected without any confirmation, and if it is
389 `almost-quietly', the next group will be selected without any
390 confirmation if you are located on the last article in the group.
391 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
392 will go to the next group without confirmation."
393 :group
'gnus-summary-maneuvering
394 :type
'(choice (const :tag
"off" nil
)
396 (const almost-quietly
)
397 (const slightly-quietly
)
398 (sexp :menu-tag
"on" t
)))
400 (defcustom gnus-auto-select-same nil
401 "*If non-nil, select the next article with the same subject.
402 If there are no more articles with the same subject, go to
403 the first unread article."
404 :group
'gnus-summary-maneuvering
407 (defcustom gnus-auto-select-on-ephemeral-exit
'next-noselect
408 "What article should be selected after exiting an ephemeral group.
409 Valid values include:
412 Select the next article.
414 Select the next unread article.
416 Move the cursor to the next article. This is the default.
417 `next-unread-noselect'
418 Move the cursor to the next unread article.
420 If it has any other value or there is no next (unread) article, the
421 article selected before entering to the ephemeral group will appear."
422 :version
"23.1" ;; No Gnus
423 :group
'gnus-summary-maneuvering
424 :type
'(choice :format
"%{%t%}:\n %[Value Menu%] %v"
425 (const next
) (const next-unread
)
426 (const next-noselect
) (const next-unread-noselect
)
427 (sexp :tag
"other" :value nil
)))
429 (defcustom gnus-auto-goto-ignores
'unfetched
430 "*Says how to handle unfetched articles when maneuvering.
432 This variable can either be the symbols nil (maneuver to any
433 article), `undownloaded' (maneuvering while unplugged ignores articles
434 that have not been fetched), `always-undownloaded' (maneuvering always
435 ignores articles that have not been fetched), `unfetched' (maneuvering
436 ignores articles whose headers have not been fetched).
438 NOTE: The list of unfetched articles will always be nil when plugged
439 and, when unplugged, a subset of the undownloaded article list."
441 :group
'gnus-summary-maneuvering
442 :type
'(choice (const :tag
"None" nil
)
443 (const :tag
"Undownloaded when unplugged" undownloaded
)
444 (const :tag
"Undownloaded" always-undownloaded
)
445 (const :tag
"Unfetched" unfetched
)))
447 (defcustom gnus-summary-check-current nil
448 "*If non-nil, consider the current article when moving.
449 The \"unread\" movement commands will stay on the same line if the
450 current article is unread."
451 :group
'gnus-summary-maneuvering
454 (defcustom gnus-auto-center-summary
455 (max (or (bound-and-true-p scroll-margin
) 0) 2)
456 "*If non-nil, always center the current summary buffer.
457 In particular, if `vertical' do only vertical recentering. If non-nil
458 and non-`vertical', do both horizontal and vertical recentering."
459 :group
'gnus-summary-maneuvering
460 :type
'(choice (const :tag
"none" nil
)
462 (integer :tag
"height")
463 (sexp :menu-tag
"both" t
)))
465 (defcustom gnus-auto-center-group t
466 "If non-nil, always center the group buffer."
467 :group
'gnus-summary-maneuvering
470 (defcustom gnus-show-all-headers nil
471 "*If non-nil, don't hide any headers."
472 :group
'gnus-article-hiding
473 :group
'gnus-article-headers
476 (defcustom gnus-summary-ignore-duplicates nil
477 "*If non-nil, ignore articles with identical Message-ID headers."
481 (defcustom gnus-single-article-buffer nil
482 "*If non-nil, display all articles in the same buffer.
483 If nil, each group will get its own article buffer."
485 :group
'gnus-article-various
488 (defcustom gnus-widen-article-window nil
489 "If non-nil, selecting the article buffer will display only the article buffer."
491 :group
'gnus-article-various
494 (defcustom gnus-break-pages t
495 "*If non-nil, do page breaking on articles.
496 The page delimiter is specified by the `gnus-page-delimiter'
498 :group
'gnus-article-various
501 (defcustom gnus-move-split-methods nil
502 "*Variable used to suggest where articles are to be moved to.
503 It uses the same syntax as the `gnus-split-methods' variable.
504 However, whereas `gnus-split-methods' specifies file names as targets,
505 this variable specifies group names."
506 :group
'gnus-summary-mail
507 :type
'(repeat (choice (list :value
(fun) function
)
508 (cons :value
("" "") regexp
(repeat string
))
511 (defcustom gnus-move-group-prefix-function
'gnus-group-real-prefix
512 "Function used to compute default prefix for article move/copy/etc prompts.
513 The function should take one argument, a group name, and return a
514 string with the suggested prefix."
515 :group
'gnus-summary-mail
518 ;; FIXME: Although the custom type is `character' for the following variables,
519 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
521 (defcustom gnus-unread-mark ?
;Whitespace
522 "*Mark used for unread articles."
523 :group
'gnus-summary-marks
526 (defcustom gnus-ticked-mark ?
!
527 "*Mark used for ticked articles."
528 :group
'gnus-summary-marks
531 (defcustom gnus-dormant-mark ??
532 "*Mark used for dormant articles."
533 :group
'gnus-summary-marks
536 (defcustom gnus-del-mark ?r
537 "*Mark used for del'd articles."
538 :group
'gnus-summary-marks
541 (defcustom gnus-read-mark ?R
542 "*Mark used for read articles."
543 :group
'gnus-summary-marks
546 (defcustom gnus-expirable-mark ?E
547 "*Mark used for expirable articles."
548 :group
'gnus-summary-marks
551 (defcustom gnus-killed-mark ?K
552 "*Mark used for killed articles."
553 :group
'gnus-summary-marks
556 (defcustom gnus-spam-mark ?$
557 "*Mark used for spam articles."
559 :group
'gnus-summary-marks
562 (defcustom gnus-kill-file-mark ?X
563 "*Mark used for articles killed by kill files."
564 :group
'gnus-summary-marks
567 (defcustom gnus-low-score-mark ?Y
568 "*Mark used for articles with a low score."
569 :group
'gnus-summary-marks
572 (defcustom gnus-catchup-mark ?C
573 "*Mark used for articles that are caught up."
574 :group
'gnus-summary-marks
577 (defcustom gnus-replied-mark ?A
578 "*Mark used for articles that have been replied to."
579 :group
'gnus-summary-marks
582 (defcustom gnus-forwarded-mark ?F
583 "*Mark used for articles that have been forwarded."
585 :group
'gnus-summary-marks
588 (defcustom gnus-recent-mark ?N
589 "*Mark used for articles that are recent."
591 :group
'gnus-summary-marks
594 (defcustom gnus-cached-mark ?
*
595 "*Mark used for articles that are in the cache."
596 :group
'gnus-summary-marks
599 (defcustom gnus-saved-mark ?S
600 "*Mark used for articles that have been saved."
601 :group
'gnus-summary-marks
604 (defcustom gnus-unseen-mark ?.
605 "*Mark used for articles that haven't been seen."
607 :group
'gnus-summary-marks
610 (defcustom gnus-no-mark ?
;Whitespace
611 "*Mark used for articles that have no other secondary mark."
613 :group
'gnus-summary-marks
616 (defcustom gnus-ancient-mark ?O
617 "*Mark used for ancient articles."
618 :group
'gnus-summary-marks
621 (defcustom gnus-sparse-mark ?Q
622 "*Mark used for sparsely reffed articles."
623 :group
'gnus-summary-marks
626 (defcustom gnus-canceled-mark ?G
627 "*Mark used for canceled articles."
628 :group
'gnus-summary-marks
631 (defcustom gnus-duplicate-mark ?M
632 "*Mark used for duplicate articles."
633 :group
'gnus-summary-marks
636 (defcustom gnus-undownloaded-mark ?-
637 "*Mark used for articles that weren't downloaded."
639 :group
'gnus-summary-marks
642 (defcustom gnus-downloaded-mark ?
+
643 "*Mark used for articles that were downloaded."
644 :group
'gnus-summary-marks
647 (defcustom gnus-downloadable-mark ?%
648 "*Mark used for articles that are to be downloaded."
649 :group
'gnus-summary-marks
652 (defcustom gnus-unsendable-mark ?
=
653 "*Mark used for articles that won't be sent."
654 :group
'gnus-summary-marks
657 (defcustom gnus-score-over-mark ?
+
658 "*Score mark used for articles with high scores."
659 :group
'gnus-summary-marks
662 (defcustom gnus-score-below-mark ?-
663 "*Score mark used for articles with low scores."
664 :group
'gnus-summary-marks
667 (defcustom gnus-empty-thread-mark ?
;Whitespace
668 "*There is no thread under the article."
669 :group
'gnus-summary-marks
672 (defcustom gnus-not-empty-thread-mark ?
=
673 "*There is a thread under the article."
674 :group
'gnus-summary-marks
677 (defcustom gnus-view-pseudo-asynchronously nil
678 "*If non-nil, Gnus will view pseudo-articles asynchronously."
679 :group
'gnus-extract-view
682 (defcustom gnus-auto-expirable-marks
683 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
684 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
686 "*The list of marks converted into expiration if a group is auto-expirable."
689 :type
'(repeat character
))
691 (defcustom gnus-inhibit-user-auto-expire t
692 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
697 (defcustom gnus-mark-copied-or-moved-articles-as-expirable nil
698 "If non-nil, mark articles copied or moved to auto-expire group as expirable.
699 If nil, the expirable marks will be unchanged except that the marks
700 will be removed when copying or moving articles to a group that has
701 not turned auto-expire on. If non-nil, articles that have been read
702 will be marked as expirable when being copied or moved to a group in
703 which auto-expire is turned on."
706 :group
'gnus-summary-marks
)
708 (defcustom gnus-view-pseudos nil
709 "*If `automatic', pseudo-articles will be viewed automatically.
710 If `not-confirm', pseudos will be viewed automatically, and the user
711 will not be asked to confirm the command."
712 :group
'gnus-extract-view
713 :type
'(choice (const :tag
"off" nil
)
715 (const not-confirm
)))
717 (defcustom gnus-view-pseudos-separately t
718 "*If non-nil, one pseudo-article will be created for each file to be viewed.
719 If nil, all files that use the same viewing command will be given as a
720 list of parameters to that command."
721 :group
'gnus-extract-view
724 (defcustom gnus-insert-pseudo-articles t
725 "*If non-nil, insert pseudo-articles when decoding articles."
726 :group
'gnus-extract-view
729 (defcustom gnus-summary-dummy-line-format
731 "*The format specification for the dummy roots in the summary buffer.
732 It works along the same lines as a normal formatting string,
733 with some simple extensions.
737 General format specifiers can also be used.
738 See `(gnus)Formatting Variables'."
739 :link
'(custom-manual "(gnus)Formatting Variables")
740 :group
'gnus-threading
743 (defcustom gnus-summary-mode-line-format
"Gnus: %g [%A] %Z"
744 "*The format specification for the summary mode line.
745 It works along the same lines as a normal formatting string,
746 with some simple extensions:
749 %p Unprefixed group name
750 %A Current article number
751 %z Current article score
753 %U Number of unread articles in the group
754 %e Number of unselected articles in the group
755 %Z A string with unread/unselected article counts
756 %g Shortish group name
757 %S Subject of the current article
759 %s Current score file name
760 %d Number of dormant articles
761 %r Number of articles that have been marked as read in this session
762 %E Number of articles expunged by the score files"
763 :group
'gnus-summary-format
766 (defcustom gnus-list-identifiers nil
767 "Regexp that matches list identifiers to be removed from subject.
768 This can also be a list of regexps."
770 :group
'gnus-summary-format
771 :group
'gnus-article-hiding
772 :type
'(choice (const :tag
"none" nil
)
774 (repeat :value
(".*") regexp
)))
776 (defcustom gnus-summary-mark-below
0
777 "*Mark all articles with a score below this variable as read.
778 This variable is local to each summary buffer and usually set by the
780 :group
'gnus-score-default
783 (defun gnus-widget-reversible-match (widget value
)
784 "Ignoring WIDGET, convert VALUE to internal form.
785 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
789 (eq (length value
) 2)
790 (eq (nth 0 value
) 'not
)
791 (symbolp (nth 1 value
)))))
793 (defun gnus-widget-reversible-to-internal (widget value
)
794 "Ignoring WIDGET, convert VALUE to internal form.
795 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
796 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
800 (list (nth 1 value
) t
)))
802 (defun gnus-widget-reversible-to-external (widget value
)
803 "Ignoring WIDGET, convert VALUE to external form.
804 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
805 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
808 (list 'not
(nth 0 value
))
811 (define-widget 'gnus-widget-reversible
'group
812 "A `group' that convert values."
813 :match
'gnus-widget-reversible-match
814 :value-to-internal
'gnus-widget-reversible-to-internal
815 :value-to-external
'gnus-widget-reversible-to-external
)
817 (defcustom gnus-article-sort-functions
'(gnus-article-sort-by-number)
818 "*List of functions used for sorting articles in the summary buffer.
820 Each function takes two articles and returns non-nil if the first
821 article should be sorted before the other. If you use more than one
822 function, the primary sort function should be the last. You should
823 probably always include `gnus-article-sort-by-number' in the list of
824 sorting functions -- preferably first. Also note that sorting by date
825 is often much slower than sorting by number, and the sorting order is
826 very similar. (Sorting by date means sorting by the time the message
827 was sent, sorting by number means sorting by arrival time.)
829 Each item can also be a list `(not F)' where F is a function;
830 this reverses the sort order.
832 Ready-made functions include `gnus-article-sort-by-number',
833 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
834 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
835 and `gnus-article-sort-by-score'.
837 When threading is turned on, the variable `gnus-thread-sort-functions'
838 controls how articles are sorted."
839 :group
'gnus-summary-sort
840 :type
'(repeat (gnus-widget-reversible
841 (choice (function-item gnus-article-sort-by-number
)
842 (function-item gnus-article-sort-by-author
)
843 (function-item gnus-article-sort-by-subject
)
844 (function-item gnus-article-sort-by-date
)
845 (function-item gnus-article-sort-by-score
)
846 (function-item gnus-article-sort-by-random
)
847 (function :tag
"other"))
848 (boolean :tag
"Reverse order"))))
850 (defcustom gnus-thread-sort-functions
'(gnus-thread-sort-by-number)
851 "*List of functions used for sorting threads in the summary buffer.
852 By default, threads are sorted by article number.
854 Each function takes two threads and returns non-nil if the first
855 thread should be sorted before the other. If you use more than one
856 function, the primary sort function should be the last. You should
857 probably always include `gnus-thread-sort-by-number' in the list of
858 sorting functions -- preferably first. Also note that sorting by date
859 is often much slower than sorting by number, and the sorting order is
860 very similar. (Sorting by date means sorting by the time the message
861 was sent, sorting by number means sorting by arrival time.)
863 Each list item can also be a list `(not F)' where F is a
864 function; this specifies reversed sort order.
866 Ready-made functions include `gnus-thread-sort-by-number',
867 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
868 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
869 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
870 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
871 and `gnus-thread-sort-by-total-score' (see
872 `gnus-thread-score-function').
874 When threading is turned off, the variable
875 `gnus-article-sort-functions' controls how articles are sorted.
877 By default, threads and their subthreads are sorted according to
878 the value of this variable. To use a different sorting order for
879 subthreads, customize `gnus-subthread-sort-functions'."
880 :group
'gnus-summary-sort
882 (gnus-widget-reversible
883 (choice (function-item gnus-thread-sort-by-number
)
884 (function-item gnus-thread-sort-by-author
)
885 (function-item gnus-thread-sort-by-recipient
)
886 (function-item gnus-thread-sort-by-subject
)
887 (function-item gnus-thread-sort-by-date
)
888 (function-item gnus-thread-sort-by-score
)
889 (function-item gnus-thread-sort-by-most-recent-number
)
890 (function-item gnus-thread-sort-by-most-recent-date
)
891 (function-item gnus-thread-sort-by-random
)
892 (function-item gnus-thread-sort-by-total-score
)
893 (function :tag
"other"))
894 (boolean :tag
"Reverse order"))))
896 (defcustom gnus-subthread-sort-functions
'gnus-thread-sort-functions
897 "*List of functions used for sorting subthreads in the summary buffer.
898 By default, subthreads are sorted the same as threads, i.e.,
899 according to the value of `gnus-thread-sort-functions'."
901 :group
'gnus-summary-sort
903 (const :tag
"Sort subthreads like threads" gnus-thread-sort-functions
)
905 (gnus-widget-reversible
906 (choice (function-item gnus-thread-sort-by-number
)
907 (function-item gnus-thread-sort-by-author
)
908 (function-item gnus-thread-sort-by-recipient
)
909 (function-item gnus-thread-sort-by-subject
)
910 (function-item gnus-thread-sort-by-date
)
911 (function-item gnus-thread-sort-by-score
)
912 (function-item gnus-thread-sort-by-most-recent-number
)
913 (function-item gnus-thread-sort-by-most-recent-date
)
914 (function-item gnus-thread-sort-by-random
)
915 (function-item gnus-thread-sort-by-total-score
)
916 (function :tag
"other"))
917 (boolean :tag
"Reverse order")))))
919 (defcustom gnus-thread-score-function
'+
920 "*Function used for calculating the total score of a thread.
922 The function is called with the scores of the article and each
923 subthread and should then return the score of the thread.
925 Some functions you can use are `+', `max', or `min'."
926 :group
'gnus-summary-sort
929 (defcustom gnus-summary-expunge-below nil
930 "All articles that have a score less than this variable will be expunged.
931 This variable is local to the summary buffers."
932 :group
'gnus-score-default
933 :type
'(choice (const :tag
"off" nil
)
936 (defcustom gnus-thread-expunge-below nil
937 "All threads that have a total score less than this variable will be expunged.
938 See `gnus-thread-score-function' for en explanation of what a
941 This variable is local to the summary buffers."
942 :group
'gnus-threading
943 :group
'gnus-score-default
944 :type
'(choice (const :tag
"off" nil
)
947 (defcustom gnus-summary-mode-hook nil
948 "*A hook for Gnus summary mode.
949 This hook is run before any variables are set in the summary buffer."
950 :options
'(turn-on-gnus-mailing-list-mode gnus-pick-mode
)
951 :group
'gnus-summary-various
954 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
955 (when (featurep 'xemacs
)
956 (add-hook 'gnus-summary-mode-hook
'gnus-xmas-summary-menu-add
)
957 (add-hook 'gnus-summary-mode-hook
'gnus-xmas-setup-summary-toolbar
)
958 (add-hook 'gnus-summary-mode-hook
959 'gnus-xmas-switch-horizontal-scrollbar-off
))
961 (defcustom gnus-summary-menu-hook nil
962 "*Hook run after the creation of the summary mode menu."
963 :group
'gnus-summary-visual
966 (defcustom gnus-summary-exit-hook nil
967 "*A hook called on exit from the summary buffer.
968 It will be called with point in the group buffer."
969 :group
'gnus-summary-exit
972 (defcustom gnus-summary-prepare-hook nil
973 "*A hook called after the summary buffer has been generated.
974 If you want to modify the summary buffer, you can use this hook."
975 :group
'gnus-summary-various
978 (defcustom gnus-summary-prepared-hook nil
979 "*A hook called as the last thing after the summary buffer has been generated."
980 :group
'gnus-summary-various
983 (defcustom gnus-summary-generate-hook nil
984 "*A hook run just before generating the summary buffer.
985 This hook is commonly used to customize threading variables and the
987 :group
'gnus-summary-various
990 (defcustom gnus-select-group-hook nil
991 "*A hook called when a newsgroup is selected.
993 If you'd like to simplify subjects like the
994 `gnus-summary-next-same-subject' command does, you can use the
997 (add-hook gnus-select-group-hook
999 (mapcar (lambda (header)
1000 (mail-header-set-subject
1002 (gnus-simplify-subject
1003 (mail-header-subject header) 're-only)))
1004 gnus-newsgroup-headers)))"
1005 :group
'gnus-group-select
1008 (defcustom gnus-select-article-hook nil
1009 "*A hook called when an article is selected."
1010 :group
'gnus-summary-choose
1011 :options
'(gnus-agent-fetch-selected-article)
1014 (defcustom gnus-visual-mark-article-hook
1015 (list 'gnus-highlight-selected-summary
)
1016 "*Hook run after selecting an article in the summary buffer.
1017 It is meant to be used for highlighting the article in some way. It
1018 is not run if `gnus-visual' is nil."
1019 :group
'gnus-summary-visual
1022 (defcustom gnus-parse-headers-hook nil
1023 "*A hook called before parsing the headers."
1024 :group
'gnus-various
1027 (defcustom gnus-exit-group-hook nil
1028 "*A hook called when exiting summary mode.
1029 This hook is not called from the non-updating exit commands like `Q'."
1030 :group
'gnus-various
1033 (defcustom gnus-summary-update-hook nil
1034 "*A hook called when a summary line is changed.
1035 The hook will not be called if `gnus-visual' is nil.
1037 The default function `gnus-summary-highlight-line' will
1038 highlight the line according to the `gnus-summary-highlight'
1040 :group
'gnus-summary-visual
1043 (defcustom gnus-mark-article-hook
'(gnus-summary-mark-read-and-unread-as-read)
1044 "*A hook called when an article is selected for the first time.
1045 The hook is intended to mark an article as read (or unread)
1046 automatically when it is selected."
1047 :group
'gnus-summary-choose
1050 (defcustom gnus-group-no-more-groups-hook nil
1051 "*A hook run when returning to group mode having no more (unread) groups."
1052 :group
'gnus-group-select
1055 (defcustom gnus-ps-print-hook nil
1056 "*A hook run before ps-printing something from Gnus."
1057 :group
'gnus-summary
1060 (defcustom gnus-summary-article-move-hook nil
1061 "*A hook called after an article is moved, copied, respooled, or crossposted."
1063 :group
'gnus-summary
1066 (defcustom gnus-summary-article-delete-hook nil
1067 "*A hook called after an article is deleted."
1069 :group
'gnus-summary
1072 (defcustom gnus-summary-article-expire-hook nil
1073 "*A hook called after an article is expired."
1075 :group
'gnus-summary
1078 (defcustom gnus-summary-display-arrow
1079 (and (fboundp 'display-graphic-p
)
1080 (display-graphic-p))
1081 "*If non-nil, display an arrow highlighting the current article."
1083 :group
'gnus-summary
1086 (defcustom gnus-summary-selected-face
'gnus-summary-selected
1087 "Face used for highlighting the current article in the summary buffer."
1088 :group
'gnus-summary-visual
1091 (defvar gnus-tmp-downloaded nil
)
1093 (defcustom gnus-summary-highlight
1094 '(((eq mark gnus-canceled-mark
)
1095 . gnus-summary-cancelled
)
1096 ((and uncached
(> score default-high
))
1097 . gnus-summary-high-undownloaded
)
1098 ((and uncached
(< score default-low
))
1099 . gnus-summary-low-undownloaded
)
1101 . gnus-summary-normal-undownloaded
)
1102 ((and (> score default-high
)
1103 (or (eq mark gnus-dormant-mark
)
1104 (eq mark gnus-ticked-mark
)))
1105 . gnus-summary-high-ticked
)
1106 ((and (< score default-low
)
1107 (or (eq mark gnus-dormant-mark
)
1108 (eq mark gnus-ticked-mark
)))
1109 . gnus-summary-low-ticked
)
1110 ((or (eq mark gnus-dormant-mark
)
1111 (eq mark gnus-ticked-mark
))
1112 . gnus-summary-normal-ticked
)
1113 ((and (> score default-high
) (eq mark gnus-ancient-mark
))
1114 . gnus-summary-high-ancient
)
1115 ((and (< score default-low
) (eq mark gnus-ancient-mark
))
1116 . gnus-summary-low-ancient
)
1117 ((eq mark gnus-ancient-mark
)
1118 . gnus-summary-normal-ancient
)
1119 ((and (> score default-high
) (eq mark gnus-unread-mark
))
1120 . gnus-summary-high-unread
)
1121 ((and (< score default-low
) (eq mark gnus-unread-mark
))
1122 . gnus-summary-low-unread
)
1123 ((eq mark gnus-unread-mark
)
1124 . gnus-summary-normal-unread
)
1125 ((> score default-high
)
1126 . gnus-summary-high-read
)
1127 ((< score default-low
)
1128 . gnus-summary-low-read
)
1130 . gnus-summary-normal-read
))
1131 "*Controls the highlighting of summary buffer lines.
1133 A list of (FORM . FACE) pairs. When deciding how a particular
1134 summary line should be displayed, each form is evaluated. The content
1135 of the face field after the first true form is used. You can change
1136 how those summary lines are displayed, by editing the face field.
1138 You can use the following variables in the FORM field.
1140 score: The article's score.
1141 default: The default article score.
1142 default-high: The default score for high scored articles.
1143 default-low: The default score for low scored articles.
1144 mark: The article's mark.
1145 uncached: Non-nil if the article is uncached."
1146 :group
'gnus-summary-visual
1147 :type
'(repeat (cons (sexp :tag
"Form" nil
)
1149 (put 'gnus-summary-highlight
'risky-local-variable t
)
1151 (defcustom gnus-alter-header-function nil
1152 "Function called to allow alteration of article header structures.
1153 The function is called with one parameter, the article header vector,
1154 which it may alter in any way."
1155 :type
'(choice (const :tag
"None" nil
)
1157 :group
'gnus-summary
)
1159 (defvar gnus-decode-encoded-word-function
'mail-decode-encoded-word-string
1160 "Function used to decode a string with encoded words.")
1162 (defvar gnus-decode-encoded-address-function
1163 'mail-decode-encoded-address-string
1164 "Function used to decode addresses with encoded words.")
1166 (defcustom gnus-extra-headers
'(To Cc Keywords Gcc Newsgroups
)
1167 "*Extra headers to parse."
1168 :version
"24.1" ; added Cc Keywords Gcc
1169 :group
'gnus-summary
1170 :type
'(repeat symbol
))
1172 (defcustom gnus-ignored-from-addresses
1173 (and user-mail-address
1174 (not (string= user-mail-address
""))
1175 (regexp-quote user-mail-address
))
1176 "*From headers that may be suppressed in favor of To headers.
1177 This can be a regexp or a list of regexps."
1179 :group
'gnus-summary
1180 :type
'(choice regexp
1181 (repeat :tag
"Regexp List" regexp
)))
1183 (defsubst gnus-ignored-from-addresses
()
1184 (gmm-regexp-concat gnus-ignored-from-addresses
))
1186 (defcustom gnus-summary-to-prefix
"-> "
1187 "*String prefixed to the To field in the summary line when
1188 using `gnus-ignored-from-addresses'."
1190 :group
'gnus-summary
1193 (defcustom gnus-summary-newsgroup-prefix
"=> "
1194 "*String prefixed to the Newsgroup field in the summary
1195 line when using the option `gnus-ignored-from-addresses'."
1197 :group
'gnus-summary
1200 (defcustom gnus-newsgroup-ignored-charsets
'(unknown-8bit x-unknown
)
1201 "List of charsets that should be ignored.
1202 When these charsets are used in the \"charset\" parameter, the
1203 default charset will be used instead."
1205 :type
'(repeat symbol
)
1206 :group
'gnus-charset
)
1208 (defcustom gnus-newsgroup-maximum-articles nil
1209 "The maximum number of articles a newsgroup.
1210 If this is a number, old articles in a newsgroup exceeding this number
1211 are silently ignored. If it is nil, no article is ignored. Note that
1212 setting this variable to a number might prevent you from reading very
1214 :group
'gnus-group-select
1216 :type
'(choice (const :tag
"No limit" nil
)
1219 (gnus-define-group-parameter
1223 "Return the ignored charsets of GROUP."
1224 :variable gnus-group-ignored-charsets-alist
1226 '(("alt\\.chinese\\.text" iso-8859-1
))
1228 "Alist of regexps (to match group names) and charsets that should be ignored.
1229 When these charsets are used in the \"charset\" parameter, the
1230 default charset will be used instead."
1231 :variable-group gnus-charset
1232 :variable-type
'(repeat (cons (regexp :tag
"Group")
1234 :parameter-type
'(choice :tag
"Ignored charsets"
1237 :parameter-document
"\
1238 List of charsets that should be ignored.
1240 When these charsets are used in the \"charset\" parameter, the
1241 default charset will be used instead.")
1243 (defcustom gnus-group-highlight-words-alist nil
1244 "Alist of group regexps and highlight regexps.
1245 This variable uses the same syntax as `gnus-emphasis-alist'."
1247 :type
'(repeat (cons (regexp :tag
"Group")
1248 (repeat (list (regexp :tag
"Highlight regexp")
1249 (number :tag
"Group for entire word" 0)
1250 (number :tag
"Group for displayed part" 0)
1252 gnus-emphasis-highlight-words
)))))
1253 :group
'gnus-summary-visual
)
1255 (defcustom gnus-summary-show-article-charset-alist
1257 "Alist of number and charset.
1258 The article will be shown with the charset corresponding to the
1260 For example: ((1 . cn-gb-2312) (2 . big5))."
1262 :type
'(repeat (cons (number :tag
"Argument" 1)
1263 (symbol :tag
"Charset")))
1264 :group
'gnus-charset
)
1266 (defcustom gnus-preserve-marks t
1267 "Whether marks are preserved when moving, copying and respooling messages."
1270 :group
'gnus-summary-marks
)
1272 (defcustom gnus-alter-articles-to-read-function nil
1273 "Function to be called to alter the list of articles to be selected."
1274 :type
'(choice (const nil
) function
)
1275 :group
'gnus-summary
)
1277 (defcustom gnus-orphan-score nil
1278 "*All orphans get this score added. Set in the score file."
1279 :group
'gnus-score-default
1280 :type
'(choice (const nil
)
1283 (defcustom gnus-summary-save-parts-default-mime
"image/.*"
1284 "*A regexp to match MIME parts when saving multiple parts of a
1285 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1286 This regexp will be used by default when prompting the user for which
1287 type of files to save."
1288 :group
'gnus-summary
1291 (defcustom gnus-read-all-available-headers nil
1292 "Whether Gnus should parse all headers made available to it.
1293 This is mostly relevant for slow back ends where the user may
1294 wish to widen the summary buffer to include all headers
1297 :group
'gnus-summary
1298 :type
'(choice boolean regexp
))
1300 (defcustom gnus-summary-pipe-output-default-command nil
1301 "Command (and optional arguments) used to pipe article to subprocess.
1302 This will be used as the default command if it is non-nil. The value
1303 will be updated if you modify it when executing the command
1304 `gnus-summary-pipe-output' or the function `gnus-summary-save-in-pipe'."
1305 :version
"23.1" ;; No Gnus
1306 :group
'gnus-summary
1307 :type
'(radio (const :tag
"None" nil
) (string :tag
"Command")))
1309 (defcustom gnus-summary-muttprint-program
"muttprint"
1310 "Command (and optional arguments) used to run Muttprint.
1311 The value will be updated if you modify it when executing the command
1312 `gnus-summary-muttprint'."
1314 :group
'gnus-summary
1317 (defcustom gnus-article-loose-mime t
1318 "If non-nil, don't require MIME-Version header.
1319 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1320 supply the MIME-Version header or deliberately strip it from the mail.
1321 If non-nil (the default), Gnus will treat some articles as MIME
1322 even if the MIME-Version header is missing."
1325 :group
'gnus-article-mime
)
1327 (defcustom gnus-article-emulate-mime t
1328 "If non-nil, use MIME emulation for uuencode and the like.
1329 This means that Gnus will search message bodies for text that look
1330 like uuencoded bits, yEncoded bits, and so on, and present that using
1331 the normal Gnus MIME machinery."
1334 :group
'gnus-article-mime
)
1336 ;;; Internal variables
1338 (defvar gnus-summary-display-cache nil
)
1339 (defvar gnus-article-mime-handles nil
)
1340 (defvar gnus-article-decoded-p nil
)
1341 (defvar gnus-article-charset nil
)
1342 (defvar gnus-article-ignored-charsets nil
)
1343 (defvar gnus-scores-exclude-files nil
)
1344 (defvar gnus-page-broken nil
)
1346 (defvar gnus-original-article nil
)
1347 (defvar gnus-article-internal-prepare-hook nil
)
1348 (defvar gnus-newsgroup-process-stack nil
)
1350 (defvar gnus-thread-indent-array nil
)
1351 (defvar gnus-thread-indent-array-level gnus-thread-indent-level
)
1352 (defvar gnus-sort-gathered-threads-function
'gnus-thread-sort-by-number
1353 "Function called to sort the articles within a thread after it has been gathered together.")
1355 (defvar gnus-summary-save-parts-type-history nil
)
1356 (defvar gnus-summary-save-parts-last-directory mm-default-directory
)
1358 ;; Avoid highlighting in kill files.
1359 (defvar gnus-summary-inhibit-highlight nil
)
1360 (defvar gnus-newsgroup-selected-overlay nil
)
1361 (defvar gnus-inhibit-limiting nil
)
1362 (defvar gnus-newsgroup-adaptive-score-file nil
)
1363 (defvar gnus-current-score-file nil
)
1364 (defvar gnus-current-move-group nil
)
1365 (defvar gnus-current-copy-group nil
)
1366 (defvar gnus-current-crosspost-group nil
)
1367 (defvar gnus-newsgroup-display nil
)
1369 (defvar gnus-newsgroup-dependencies nil
)
1370 (defvar gnus-newsgroup-adaptive nil
)
1371 (defvar gnus-summary-display-article-function nil
)
1372 (defvar gnus-summary-highlight-line-function nil
1373 "Function called after highlighting a summary line.")
1375 (defvar gnus-summary-line-format-alist
1376 `((?N
,(macroexpand '(mail-header-number gnus-tmp-header
)) ?d
)
1377 (?S
,(macroexpand '(mail-header-subject gnus-tmp-header
)) ?s
)
1378 (?s gnus-tmp-subject-or-nil ?s
)
1379 (?n gnus-tmp-name ?s
)
1380 (?A
(car (cdr (funcall gnus-extract-address-components gnus-tmp-from
)))
1382 (?a
(or (car (funcall gnus-extract-address-components gnus-tmp-from
))
1384 (?F gnus-tmp-from ?s
)
1385 (?x
,(macroexpand '(mail-header-xref gnus-tmp-header
)) ?s
)
1386 (?D
,(macroexpand '(mail-header-date gnus-tmp-header
)) ?s
)
1387 (?d
(gnus-dd-mmm (mail-header-date gnus-tmp-header
)) ?s
)
1388 (?o
(gnus-date-iso8601 (mail-header-date gnus-tmp-header
)) ?s
)
1389 (?M
,(macroexpand '(mail-header-id gnus-tmp-header
)) ?s
)
1390 (?r
,(macroexpand '(mail-header-references gnus-tmp-header
)) ?s
)
1391 (?c
(or (mail-header-chars gnus-tmp-header
) 0) ?d
)
1392 (?k
(gnus-summary-line-message-size gnus-tmp-header
) ?s
)
1393 (?L gnus-tmp-lines ?s
)
1394 (?Z
(or (nnir-article-rsv (mail-header-number gnus-tmp-header
))
1396 (?G
(or (nnir-article-group (mail-header-number gnus-tmp-header
))
1398 (?g
(or (gnus-group-short-name
1399 (nnir-article-group (mail-header-number gnus-tmp-header
)))
1401 (?O gnus-tmp-downloaded ?c
)
1402 (?I gnus-tmp-indentation ?s
)
1403 (?T
(if (= gnus-tmp-level
0) "" (make-string (frame-width) ?
)) ?s
)
1404 (?R gnus-tmp-replied ?c
)
1405 (?\
[ gnus-tmp-opening-bracket ?c
)
1406 (?\
] gnus-tmp-closing-bracket ?c
)
1407 (?\
> (make-string gnus-tmp-level ?
) ?s
)
1408 (?\
< (make-string (max 0 (- 20 gnus-tmp-level
)) ?
) ?s
)
1409 (?i gnus-tmp-score ?d
)
1410 (?z gnus-tmp-score-char ?c
)
1411 (?V
(gnus-thread-total-score (and (boundp 'thread
) (car thread
))) ?d
)
1412 (?U gnus-tmp-unread ?c
)
1413 (?f
(gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from
)
1415 (?t
(gnus-summary-number-of-articles-in-thread
1416 (and (boundp 'thread
) (car thread
)) gnus-tmp-level
)
1418 (?e
(gnus-summary-number-of-articles-in-thread
1419 (and (boundp 'thread
) (car thread
)) gnus-tmp-level t
)
1421 (?u gnus-tmp-user-defined ?s
)
1422 (?P
(gnus-pick-line-number) ?d
)
1423 (?B gnus-tmp-thread-tree-header-string ?s
)
1424 (user-date (gnus-user-date
1425 ,(macroexpand '(mail-header-date gnus-tmp-header
))) ?s
))
1426 "An alist of format specifications that can appear in summary lines.
1427 These are paired with what variables they correspond with, along with
1428 the type of the variable (string, integer, character, etc).")
1430 (defvar gnus-summary-dummy-line-format-alist
1431 `((?S gnus-tmp-subject ?s
)
1432 (?N gnus-tmp-number ?d
)
1433 (?u gnus-tmp-user-defined ?s
)))
1435 (defvar gnus-summary-mode-line-format-alist
1436 `((?G gnus-tmp-group-name ?s
)
1437 (?g
(gnus-short-group-name gnus-tmp-group-name
) ?s
)
1438 (?p
(gnus-group-real-name gnus-tmp-group-name
) ?s
)
1439 (?A gnus-tmp-article-number ?d
)
1440 (?Z gnus-tmp-unread-and-unselected ?s
)
1441 (?V gnus-version ?s
)
1442 (?U gnus-tmp-unread-and-unticked ?d
)
1443 (?S gnus-tmp-subject ?s
)
1444 (?e gnus-tmp-unselected ?d
)
1445 (?u gnus-tmp-user-defined ?s
)
1446 (?d
(length gnus-newsgroup-dormant
) ?d
)
1447 (?t
(length gnus-newsgroup-marked
) ?d
)
1448 (?h
(length gnus-newsgroup-spam-marked
) ?d
)
1449 (?r
(length gnus-newsgroup-reads
) ?d
)
1450 (?z
(gnus-summary-article-score gnus-tmp-article-number
) ?d
)
1451 (?E gnus-newsgroup-expunged-tally ?d
)
1452 (?s
(gnus-current-score-file-nondirectory) ?s
)))
1454 ;; This is here rather than in gnus-art for compilation reasons.
1455 (defvar gnus-article-mode-line-format-alist
1456 (nconc '((?w
(gnus-article-wash-status) ?s
)
1457 (?m
(gnus-article-mime-part-status) ?s
))
1458 gnus-summary-mode-line-format-alist
))
1460 (defvar gnus-last-search-regexp nil
1461 "Default regexp for article search command.")
1463 (defvar gnus-last-shell-command nil
1464 "Default shell command on article.")
1466 (defvar gnus-newsgroup-agentized nil
1467 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1468 (defvar gnus-newsgroup-begin nil
)
1469 (defvar gnus-newsgroup-end nil
)
1470 (defvar gnus-newsgroup-last-rmail nil
)
1471 (defvar gnus-newsgroup-last-mail nil
)
1472 (defvar gnus-newsgroup-last-folder nil
)
1473 (defvar gnus-newsgroup-last-file nil
)
1474 (defvar gnus-newsgroup-last-directory nil
)
1475 (defvar gnus-newsgroup-auto-expire nil
)
1476 (defvar gnus-newsgroup-active nil
)
1477 (defvar gnus-newsgroup-highest nil
)
1479 (defvar gnus-newsgroup-data nil
)
1480 (defvar gnus-newsgroup-data-reverse nil
)
1481 (defvar gnus-newsgroup-limit nil
)
1482 (defvar gnus-newsgroup-limits nil
)
1483 (defvar gnus-summary-use-undownloaded-faces nil
)
1485 (defvar gnus-newsgroup-unreads nil
1486 "Sorted list of unread articles in the current newsgroup.")
1488 (defvar gnus-newsgroup-unselected nil
1489 "Sorted list of unselected unread articles in the current newsgroup.")
1491 (defvar gnus-newsgroup-reads nil
1492 "Alist of read articles and article marks in the current newsgroup.")
1494 (defvar gnus-newsgroup-expunged-tally nil
)
1496 (defvar gnus-newsgroup-marked nil
1497 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1499 (defvar gnus-newsgroup-spam-marked nil
1500 "List of ranges of articles that have been marked as spam.")
1502 (defvar gnus-newsgroup-killed nil
1503 "List of ranges of articles that have been through the scoring process.")
1505 (defvar gnus-newsgroup-cached nil
1506 "Sorted list of articles that come from the article cache.")
1508 (defvar gnus-newsgroup-saved nil
1509 "List of articles that have been saved.")
1511 (defvar gnus-newsgroup-kill-headers nil
)
1513 (defvar gnus-newsgroup-replied nil
1514 "List of articles that have been replied to in the current newsgroup.")
1516 (defvar gnus-newsgroup-forwarded nil
1517 "List of articles that have been forwarded in the current newsgroup.")
1519 (defvar gnus-newsgroup-expirable nil
1520 "Sorted list of articles in the current newsgroup that can be expired.")
1522 (defvar gnus-newsgroup-processable nil
1523 "List of articles in the current newsgroup that can be processed.")
1525 (defvar gnus-newsgroup-downloadable nil
1526 "Sorted list of articles in the current newsgroup that can be processed.")
1528 (defvar gnus-newsgroup-unfetched nil
1529 "Sorted list of articles in the current newsgroup whose headers have
1530 not been fetched into the agent.
1532 This list will always be a subset of gnus-newsgroup-undownloaded.")
1534 (defvar gnus-newsgroup-undownloaded nil
1535 "List of articles in the current newsgroup that haven't been downloaded.")
1537 (defvar gnus-newsgroup-unsendable nil
1538 "List of articles in the current newsgroup that won't be sent.")
1540 (defvar gnus-newsgroup-bookmarks nil
1541 "List of articles in the current newsgroup that have bookmarks.")
1543 (defvar gnus-newsgroup-dormant nil
1544 "Sorted list of dormant articles in the current newsgroup.")
1546 (defvar gnus-newsgroup-unseen nil
1547 "List of unseen articles in the current newsgroup.")
1549 (defvar gnus-newsgroup-seen nil
1550 "Range of seen articles in the current newsgroup.")
1552 (defvar gnus-newsgroup-unexist nil
1553 "Range of unexisting articles in the current newsgroup.")
1555 (defvar gnus-newsgroup-articles nil
1556 "List of articles in the current newsgroup.")
1558 (defvar gnus-newsgroup-scored nil
1559 "List of scored articles in the current newsgroup.")
1561 (defvar gnus-newsgroup-headers nil
1562 "List of article headers in the current newsgroup.")
1564 (defvar gnus-newsgroup-threads nil
)
1566 (defvar gnus-newsgroup-prepared nil
1567 "Whether the current group has been prepared properly.")
1569 (defvar gnus-newsgroup-ancient nil
1570 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1572 (defvar gnus-newsgroup-sparse nil
)
1574 (defvar gnus-current-article nil
)
1575 (defvar gnus-article-current nil
)
1576 (defvar gnus-current-headers nil
)
1577 (defvar gnus-have-all-headers nil
)
1578 (defvar gnus-last-article nil
)
1579 (defvar gnus-newsgroup-history nil
)
1580 (defvar gnus-newsgroup-charset nil
)
1581 (defvar gnus-newsgroup-ephemeral-charset nil
)
1582 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil
)
1584 (defvar gnus-article-before-search nil
)
1586 (defvar gnus-summary-local-variables
1587 '(gnus-newsgroup-name
1590 gnus-newsgroup-unreads
1591 gnus-newsgroup-unselected
1592 gnus-newsgroup-marked
1593 gnus-newsgroup-spam-marked
1594 gnus-newsgroup-reads
1595 gnus-newsgroup-saved
1596 gnus-newsgroup-replied
1597 gnus-newsgroup-forwarded
1598 gnus-newsgroup-expirable
1599 gnus-newsgroup-killed
1600 gnus-newsgroup-unseen
1602 gnus-newsgroup-unexist
1603 gnus-newsgroup-cached
1604 gnus-newsgroup-downloadable
1605 gnus-newsgroup-undownloaded
1606 gnus-newsgroup-unsendable
1608 gnus-newsgroup-begin gnus-newsgroup-end
1609 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1610 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1611 gnus-newsgroup-last-directory
1612 gnus-newsgroup-auto-expire
1613 gnus-newsgroup-processable
1614 gnus-newsgroup-unfetched
1615 gnus-newsgroup-articles
1616 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1617 gnus-newsgroup-headers gnus-newsgroup-threads
1618 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1619 gnus-current-article gnus-current-headers gnus-have-all-headers
1620 gnus-last-article gnus-article-internal-prepare-hook
1621 (gnus-summary-article-delete-hook . global
)
1622 (gnus-summary-article-move-hook . global
)
1623 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1624 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1625 gnus-thread-expunge-below
1626 gnus-score-alist gnus-current-score-file
1627 (gnus-summary-expunge-below . global
)
1628 (gnus-summary-mark-below . global
)
1629 (gnus-orphan-score . global
)
1630 gnus-newsgroup-active gnus-scores-exclude-files
1631 gnus-newsgroup-highest
1632 gnus-newsgroup-history gnus-newsgroup-ancient
1633 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1634 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring
)
1635 gnus-newsgroup-adaptive-score-file
(gnus-reffed-article-number . -
1)
1636 (gnus-newsgroup-expunged-tally .
0)
1637 gnus-cache-removable-articles
1638 gnus-newsgroup-data gnus-newsgroup-data-reverse
1639 gnus-newsgroup-limit gnus-newsgroup-limits
1640 gnus-newsgroup-charset gnus-newsgroup-display
1641 gnus-summary-use-undownloaded-faces
)
1642 "Variables that are buffer-local to the summary buffers.")
1644 (defvar gnus-newsgroup-variables nil
1645 "A list of variables that have separate values in different newsgroups.
1646 A list of newsgroup (summary buffer) local variables, or cons of
1647 variables and their default expressions to be evalled (when the default
1648 values are not nil), that should be made global while the summary buffer
1651 Note: The default expressions will be evaluated (using function `eval')
1652 before assignment to the local variable rather than just assigned to it.
1653 If the default expression is the symbol `global', that symbol will not
1654 be evaluated but the global value of the local variable will be used
1657 These variables can be used to set variables in the group parameters
1658 while still allowing them to affect operations done in other buffers.
1661 \(setq gnus-newsgroup-variables
1662 '(message-use-followup-to
1663 (gnus-visible-headers .
1664 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1668 ;; Bind features so that require will believe that gnus-sum has
1669 ;; already been loaded (avoids infinite recursion)
1670 (let ((features (cons 'gnus-sum features
)))
1671 (require 'gnus-art
)))
1675 (defvar gnus-decode-encoded-word-methods
1676 '(mail-decode-encoded-word-string)
1677 "List of methods used to decode encoded words.
1679 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1680 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1681 \(REGEXP . FUNCTION), FUNCTION will be applied only to the newsgroups
1682 whose names match REGEXP.
1685 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1686 mail-decode-encoded-word-string
1687 (\"chinese\" . rfc1843-decode-string))")
1689 (defvar gnus-decode-encoded-word-methods-cache nil
)
1691 (defun gnus-multi-decode-encoded-word-string (string)
1692 "Apply the functions from `gnus-encoded-word-methods' that match."
1693 (unless (and gnus-decode-encoded-word-methods-cache
1694 (eq gnus-newsgroup-name
1695 (car gnus-decode-encoded-word-methods-cache
)))
1696 (setq gnus-decode-encoded-word-methods-cache
(list gnus-newsgroup-name
))
1697 (dolist (method gnus-decode-encoded-word-methods
)
1698 (if (symbolp method
)
1699 (nconc gnus-decode-encoded-word-methods-cache
(list method
))
1700 (if (and gnus-newsgroup-name
1701 (string-match (car method
) gnus-newsgroup-name
))
1702 (nconc gnus-decode-encoded-word-methods-cache
1703 (list (cdr method
)))))))
1704 (dolist (method (cdr gnus-decode-encoded-word-methods-cache
) string
)
1705 (setq string
(funcall method string
))))
1707 ;; Subject simplification.
1709 (defun gnus-simplify-whitespace (str)
1710 "Remove excessive whitespace from STR."
1712 (while (string-match "[ \t][ \t]+" str
)
1713 (setq str
(concat (substring str
0 (match-beginning 0))
1715 (substring str
(match-end 0)))))
1717 (when (string-match "^[ \t]+" str
)
1718 (setq str
(substring str
(match-end 0))))
1720 (when (string-match "[ \t]+$" str
)
1721 (setq str
(substring str
0 (match-beginning 0))))
1724 (defun gnus-simplify-all-whitespace (str)
1725 "Remove all whitespace from STR."
1726 (while (string-match "[ \t\n]+" str
)
1727 (setq str
(replace-match "" nil nil str
)))
1730 (defsubst gnus-simplify-subject-re
(subject)
1731 "Remove \"Re:\" from subject lines."
1732 (if (string-match message-subject-re-regexp subject
)
1733 (substring subject
(match-end 0))
1736 (defun gnus-simplify-subject (subject &optional re-only
)
1737 "Remove `Re:' and words in parentheses.
1738 If RE-ONLY is non-nil, strip leading `Re:'s only."
1739 (let ((case-fold-search t
)) ;Ignore case.
1740 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1741 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject
)
1742 (setq subject
(substring subject
(match-end 0))))
1743 ;; Remove uninteresting prefixes.
1744 (when (and (not re-only
)
1745 gnus-simplify-ignored-prefixes
1746 (string-match gnus-simplify-ignored-prefixes subject
))
1747 (setq subject
(substring subject
(match-end 0))))
1748 ;; Remove words in parentheses from end.
1750 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject
)
1751 (setq subject
(substring subject
0 (match-beginning 0)))))
1752 ;; Return subject string.
1755 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1757 (defsubst gnus-simplify-buffer-fuzzy-step
(regexp &optional newtext
)
1758 (goto-char (point-min))
1759 (while (re-search-forward regexp nil t
)
1760 (replace-match (or newtext
""))))
1762 (defun gnus-simplify-buffer-fuzzy (regexp)
1763 "Simplify string in the buffer fuzzily.
1764 The string in the accessible portion of the current buffer is simplified.
1765 It is assumed to be a single-line subject.
1766 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1767 matter is removed. Additional things can be deleted by setting
1768 `gnus-simplify-subject-fuzzy-regexp'."
1769 (let ((case-fold-search t
)
1771 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1773 (while (not (eq modified-tick
(buffer-modified-tick)))
1774 (setq modified-tick
(buffer-modified-tick))
1777 (mapc 'gnus-simplify-buffer-fuzzy-step regexp
))
1779 (gnus-simplify-buffer-fuzzy-step regexp
)))
1780 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1781 (gnus-simplify-buffer-fuzzy-step
1782 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1783 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1785 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1786 (gnus-simplify-buffer-fuzzy-step " +" " ")
1787 (gnus-simplify-buffer-fuzzy-step " $")
1788 (gnus-simplify-buffer-fuzzy-step "^ +")))
1790 (defun gnus-simplify-subject-fuzzy (subject)
1791 "Simplify a subject string fuzzily.
1792 See `gnus-simplify-buffer-fuzzy' for details."
1794 (let ((regexp gnus-simplify-subject-fuzzy-regexp
))
1795 (gnus-set-work-buffer)
1796 (let ((case-fold-search t
))
1797 ;; Remove uninteresting prefixes.
1798 (when (and gnus-simplify-ignored-prefixes
1799 (string-match gnus-simplify-ignored-prefixes subject
))
1800 (setq subject
(substring subject
(match-end 0))))
1802 (inline (gnus-simplify-buffer-fuzzy regexp
))
1805 (defsubst gnus-simplify-subject-fully
(subject)
1806 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1808 (gnus-simplify-subject-functions
1809 (gnus-map-function gnus-simplify-subject-functions subject
))
1810 ((null gnus-summary-gather-subject-limit
)
1811 (gnus-simplify-subject-re subject
))
1812 ((eq gnus-summary-gather-subject-limit
'fuzzy
)
1813 (gnus-simplify-subject-fuzzy subject
))
1814 ((numberp gnus-summary-gather-subject-limit
)
1815 (truncate-string-to-width (gnus-simplify-subject-re subject
)
1816 gnus-summary-gather-subject-limit
))
1820 (defsubst gnus-subject-equal
(s1 s2
&optional simple-first
)
1821 "Check whether two subjects are equal.
1822 If optional argument SIMPLE-FIRST is t, first argument is already
1825 ((null simple-first
)
1826 (equal (gnus-simplify-subject-fully s1
)
1827 (gnus-simplify-subject-fully s2
)))
1830 (gnus-simplify-subject-fully s2
)))))
1832 (defun gnus-summary-bubble-group ()
1833 "Increase the score of the current group.
1834 This is a handy function to add to `gnus-summary-exit-hook' to
1835 increase the score of each group you read."
1836 (gnus-group-add-score gnus-newsgroup-name
))
1840 ;;; Gnus summary mode
1843 (put 'gnus-summary-mode
'mode-class
'special
)
1845 (defvar gnus-article-commands-menu
)
1847 ;; Non-orthogonal keys
1849 (gnus-define-keys gnus-summary-mode-map
1850 " " gnus-summary-next-page
1851 [?\S-\
] gnus-summary-prev-page
1852 "\177" gnus-summary-prev-page
1853 [delete] gnus-summary-prev-page
1854 "\r" gnus-summary-scroll-up
1855 "\M-\r" gnus-summary-scroll-down
1856 "n" gnus-summary-next-unread-article
1857 "p" gnus-summary-prev-unread-article
1858 "N" gnus-summary-next-article
1859 "P" gnus-summary-prev-article
1860 "\M-\C-n" gnus-summary-next-same-subject
1861 "\M-\C-p" gnus-summary-prev-same-subject
1862 "\M-n" gnus-summary-next-unread-subject
1863 "\M-p" gnus-summary-prev-unread-subject
1864 "." gnus-summary-first-unread-article
1865 "," gnus-summary-best-unread-article
1866 "\M-s" gnus-summary-search-article-forward
1867 "\M-r" gnus-summary-search-article-backward
1868 "\M-S" gnus-summary-repeat-search-article-forward
1869 "\M-R" gnus-summary-repeat-search-article-backward
1870 "<" gnus-summary-beginning-of-article
1871 ">" gnus-summary-end-of-article
1872 "j" gnus-summary-goto-article
1873 "^" gnus-summary-refer-parent-article
1874 "\M-^" gnus-summary-refer-article
1875 "u" gnus-summary-tick-article-forward
1876 "!" gnus-summary-tick-article-forward
1877 "U" gnus-summary-tick-article-backward
1878 "d" gnus-summary-mark-as-read-forward
1879 "D" gnus-summary-mark-as-read-backward
1880 "E" gnus-summary-mark-as-expirable
1881 "\M-u" gnus-summary-clear-mark-forward
1882 "\M-U" gnus-summary-clear-mark-backward
1883 "k" gnus-summary-kill-same-subject-and-select
1884 "\C-k" gnus-summary-kill-same-subject
1885 "\M-\C-k" gnus-summary-kill-thread
1886 "\M-\C-l" gnus-summary-lower-thread
1887 "e" gnus-summary-edit-article
1888 "#" gnus-summary-mark-as-processable
1889 "\M-#" gnus-summary-unmark-as-processable
1890 "\M-\C-t" gnus-summary-toggle-threads
1891 "\M-\C-s" gnus-summary-show-thread
1892 "\M-\C-h" gnus-summary-hide-thread
1893 "\M-\C-f" gnus-summary-next-thread
1894 "\M-\C-b" gnus-summary-prev-thread
1895 [(meta down)] gnus-summary-next-thread
1896 [(meta up)] gnus-summary-prev-thread
1897 "\M-\C-u" gnus-summary-up-thread
1898 "\M-\C-d" gnus-summary-down-thread
1899 "&" gnus-summary-execute-command
1900 "c" gnus-summary-catchup-and-exit
1901 "\C-w" gnus-summary-mark-region-as-read
1902 "\C-t" gnus-summary-toggle-truncation
1903 "?" gnus-summary-mark-as-dormant
1904 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1905 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1906 "\C-c\C-s\C-m\C-n" gnus-summary-sort-by-most-recent-number
1907 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1908 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1909 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1910 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1911 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1912 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1913 "\C-c\C-s\C-m\C-d" gnus-summary-sort-by-most-recent-date
1914 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1915 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1916 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1917 "=" gnus-summary-expand-window
1918 "\C-x\C-s" gnus-summary-reselect-current-group
1919 "\M-g" gnus-summary-rescan-group
1920 "\C-c\C-r" gnus-summary-caesar-message
1921 "f" gnus-summary-followup
1922 "F" gnus-summary-followup-with-original
1923 "C" gnus-summary-cancel-article
1924 "r" gnus-summary-reply
1925 "R" gnus-summary-reply-with-original
1926 "\C-c\C-f" gnus-summary-mail-forward
1927 "o" gnus-summary-save-article
1928 "\C-o" gnus-summary-save-article-mail
1929 "|" gnus-summary-pipe-output
1930 "\M-k" gnus-summary-edit-local-kill
1931 "\M-K" gnus-summary-edit-global-kill
1933 "\C-c\C-d" gnus-summary-describe-group
1934 "q" gnus-summary-exit
1935 "Q" gnus-summary-exit-no-update
1936 "\C-c\C-i" gnus-info-find-node
1937 gnus-mouse-2 gnus-mouse-pick-article
1938 [follow-link] mouse-face
1939 "m" gnus-summary-mail-other-window
1940 "a" gnus-summary-post-news
1941 "x" gnus-summary-limit-to-unread
1942 "s" gnus-summary-isearch-article
1943 "\t" gnus-summary-widget-forward
1944 [backtab] gnus-summary-widget-backward
1945 "t" gnus-summary-toggle-header
1946 "g" gnus-summary-show-article
1947 "l" gnus-summary-goto-last-article
1948 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1949 "\C-d" gnus-summary-enter-digest-group
1950 "\M-\C-d" gnus-summary-read-document
1951 "\M-\C-e" gnus-summary-edit-parameters
1952 "\M-\C-a" gnus-summary-customize-parameters
1954 "*" gnus-cache-enter-article
1955 "\M-*" gnus-cache-remove-article
1956 "\M-&" gnus-summary-universal-argument
1957 "\C-l" gnus-recenter
1958 "I" gnus-summary-increase-score
1959 "L" gnus-summary-lower-score
1960 "\M-i" gnus-symbolic-argument
1961 "h" gnus-summary-select-article-buffer
1963 "b" gnus-article-view-part
1964 "\M-t" gnus-summary-toggle-display-buttonized
1966 "V" gnus-summary-score-map
1967 "X" gnus-uu-extract-map
1968 "S" gnus-summary-send-map)
1970 ;; Sort of orthogonal keymap
1971 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1972 "t" gnus-summary-tick-article-forward
1973 "!" gnus-summary-tick-article-forward
1974 "d" gnus-summary-mark-as-read-forward
1975 "r" gnus-summary-mark-as-read-forward
1976 "c" gnus-summary-clear-mark-forward
1977 " " gnus-summary-clear-mark-forward
1978 "e" gnus-summary-mark-as-expirable
1979 "x" gnus-summary-mark-as-expirable
1980 "?" gnus-summary-mark-as-dormant
1981 "b" gnus-summary-set-bookmark
1982 "B" gnus-summary-remove-bookmark
1983 "#" gnus-summary-mark-as-processable
1984 "\M-#" gnus-summary-unmark-as-processable
1985 "S" gnus-summary-limit-include-expunged
1986 "C" gnus-summary-catchup
1987 "H" gnus-summary-catchup-to-here
1988 "h" gnus-summary-catchup-from-here
1989 "\C-c" gnus-summary-catchup-all
1990 "k" gnus-summary-kill-same-subject-and-select
1991 "K" gnus-summary-kill-same-subject
1992 "P" gnus-uu-mark-map)
1994 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1995 "c" gnus-summary-clear-above
1996 "u" gnus-summary-tick-above
1997 "m" gnus-summary-mark-above
1998 "k" gnus-summary-kill-below)
2000 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
2001 "/" gnus-summary-limit-to-subject
2002 "n" gnus-summary-limit-to-articles
2003 "b" gnus-summary-limit-to-bodies
2004 "h" gnus-summary-limit-to-headers
2005 "w" gnus-summary-pop-limit
2006 "s" gnus-summary-limit-to-subject
2007 "a" gnus-summary-limit-to-author
2008 "u" gnus-summary-limit-to-unread
2009 "m" gnus-summary-limit-to-marks
2010 "M" gnus-summary-limit-exclude-marks
2011 "v" gnus-summary-limit-to-score
2012 "*" gnus-summary-limit-include-cached
2013 "D" gnus-summary-limit-include-dormant
2014 "T" gnus-summary-limit-include-thread
2015 "d" gnus-summary-limit-exclude-dormant
2016 "t" gnus-summary-limit-to-age
2017 "." gnus-summary-limit-to-unseen
2018 "x" gnus-summary-limit-to-extra
2019 "p" gnus-summary-limit-to-display-predicate
2020 "E" gnus-summary-limit-include-expunged
2021 "c" gnus-summary-limit-exclude-childless-dormant
2022 "C" gnus-summary-limit-mark-excluded-as-read
2023 "o" gnus-summary-insert-old-articles
2024 "N" gnus-summary-insert-new-articles
2025 "S" gnus-summary-limit-to-singletons
2026 "r" gnus-summary-limit-to-replied
2027 "R" gnus-summary-limit-to-recipient
2028 "A" gnus-summary-limit-to-address)
2030 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
2031 "n" gnus-summary-next-unread-article
2032 "p" gnus-summary-prev-unread-article
2033 "N" gnus-summary-next-article
2034 "P" gnus-summary-prev-article
2035 "\C-n" gnus-summary-next-same-subject
2036 "\C-p" gnus-summary-prev-same-subject
2037 "\M-n" gnus-summary-next-unread-subject
2038 "\M-p" gnus-summary-prev-unread-subject
2039 "f" gnus-summary-first-unread-article
2040 "b" gnus-summary-best-unread-article
2041 "j" gnus-summary-goto-article
2042 "g" gnus-summary-goto-subject
2043 "l" gnus-summary-goto-last-article
2044 "o" gnus-summary-pop-article)
2046 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
2047 "k" gnus-summary-kill-thread
2048 "E" gnus-summary-expire-thread
2049 "l" gnus-summary-lower-thread
2050 "i" gnus-summary-raise-thread
2051 "T" gnus-summary-toggle-threads
2052 "t" gnus-summary-rethread-current
2053 "^" gnus-summary-reparent-thread
2054 "\M-^" gnus-summary-reparent-children
2055 "s" gnus-summary-show-thread
2056 "S" gnus-summary-show-all-threads
2057 "h" gnus-summary-hide-thread
2058 "H" gnus-summary-hide-all-threads
2059 "n" gnus-summary-next-thread
2060 "p" gnus-summary-prev-thread
2061 "u" gnus-summary-up-thread
2062 "o" gnus-summary-top-thread
2063 "d" gnus-summary-down-thread
2064 "#" gnus-uu-mark-thread
2065 "\M-#" gnus-uu-unmark-thread)
2067 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
2068 "g" gnus-summary-prepare
2069 "c" gnus-summary-insert-cached-articles
2070 "d" gnus-summary-insert-dormant-articles
2071 "t" gnus-summary-insert-ticked-articles)
2073 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
2074 "c" gnus-summary-catchup-and-exit
2075 "C" gnus-summary-catchup-all-and-exit
2076 "E" gnus-summary-exit-no-update
2077 "Q" gnus-summary-exit
2078 "Z" gnus-summary-exit
2079 "n" gnus-summary-catchup-and-goto-next-group
2080 "p" gnus-summary-catchup-and-goto-prev-group
2081 "R" gnus-summary-reselect-current-group
2082 "G" gnus-summary-rescan-group
2083 "N" gnus-summary-next-group
2084 "s" gnus-summary-save-newsrc
2085 "P" gnus-summary-prev-group)
2087 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
2088 " " gnus-summary-next-page
2089 "n" gnus-summary-next-page
2090 [?\S-\ ] gnus-summary-prev-page
2091 "\177" gnus-summary-prev-page
2092 [delete] gnus-summary-prev-page
2093 "p" gnus-summary-prev-page
2094 "\r" gnus-summary-scroll-up
2095 "\M-\r" gnus-summary-scroll-down
2096 "<" gnus-summary-beginning-of-article
2097 ">" gnus-summary-end-of-article
2098 "b" gnus-summary-beginning-of-article
2099 "e" gnus-summary-end-of-article
2100 "^" gnus-summary-refer-parent-article
2101 "r" gnus-summary-refer-parent-article
2102 "C" gnus-summary-show-complete-article
2103 "D" gnus-summary-enter-digest-group
2104 "R" gnus-summary-refer-references
2105 "T" gnus-summary-refer-thread
2106 "W" gnus-warp-to-article
2107 "g" gnus-summary-show-article
2108 "s" gnus-summary-isearch-article
2109 "\t" gnus-summary-widget-forward
2110 [backtab] gnus-summary-widget-backward
2111 "P" gnus-summary-print-article
2112 "S" gnus-sticky-article
2113 "M" gnus-mailing-list-insinuate
2114 "t" gnus-article-babel)
2116 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2117 "b" gnus-article-add-buttons
2118 "B" gnus-article-add-buttons-to-head
2119 "o" gnus-article-treat-overstrike
2120 "e" gnus-article-emphasize
2121 "w" gnus-article-fill-cited-article
2122 "Q" gnus-article-fill-long-lines
2123 "L" gnus-article-toggle-truncate-lines
2124 "C" gnus-article-capitalize-sentences
2125 "c" gnus-article-remove-cr
2126 "q" gnus-article-de-quoted-unreadable
2127 "6" gnus-article-de-base64-unreadable
2128 "Z" gnus-article-decode-HZ
2129 "A" gnus-article-treat-ansi-sequences
2130 "h" gnus-article-wash-html
2131 "u" gnus-article-unsplit-urls
2132 "s" gnus-summary-force-verify-and-decrypt
2133 "f" gnus-article-display-x-face
2134 "l" gnus-summary-stop-page-breaking
2135 "r" gnus-summary-caesar-message
2136 "m" gnus-summary-morse-message
2137 "t" gnus-summary-toggle-header
2138 "g" gnus-treat-smiley
2139 "v" gnus-summary-verbose-headers
2140 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2141 "p" gnus-article-verify-x-pgp-sig
2142 "d" gnus-article-treat-dumbquotes
2143 "U" gnus-article-treat-non-ascii
2144 "i" gnus-summary-idna-message)
2146 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2147 ;; mnemonic: deuglif*Y*
2148 "u" gnus-article-outlook-unwrap-lines
2149 "a" gnus-article-outlook-repair-attribution
2150 "c" gnus-article-outlook-rearrange-citation
2151 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2153 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2154 "a" gnus-article-hide
2155 "h" gnus-article-hide-headers
2156 "b" gnus-article-hide-boring-headers
2157 "s" gnus-article-hide-signature
2158 "c" gnus-article-hide-citation
2159 "C" gnus-article-hide-citation-in-followups
2160 "l" gnus-article-hide-list-identifiers
2161 "B" gnus-article-strip-banner
2162 "P" gnus-article-hide-pem
2163 "\C-c" gnus-article-hide-citation-maybe)
2165 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2166 "a" gnus-article-highlight
2167 "h" gnus-article-highlight-headers
2168 "c" gnus-article-highlight-citation
2169 "s" gnus-article-highlight-signature)
2171 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2172 "f" gnus-article-treat-fold-headers
2173 "u" gnus-article-treat-unfold-headers
2174 "n" gnus-article-treat-fold-newsgroups)
2176 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2177 "x" gnus-article-display-x-face
2178 "d" gnus-article-display-face
2179 "s" gnus-treat-smiley
2180 "D" gnus-article-remove-images
2181 "W" gnus-article-show-images
2182 "f" gnus-treat-from-picon
2183 "m" gnus-treat-mail-picon
2184 "n" gnus-treat-newsgroups-picon
2185 "g" gnus-treat-from-gravatar
2186 "h" gnus-treat-mail-gravatar)
2188 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2189 "w" gnus-article-decode-mime-words
2190 "c" gnus-article-decode-charset
2191 "v" gnus-mime-view-all-parts
2192 "b" gnus-article-view-part)
2194 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2195 "z" gnus-article-date-ut
2196 "u" gnus-article-date-ut
2197 "l" gnus-article-date-local
2198 "p" gnus-article-date-english
2199 "e" gnus-article-date-lapsed
2200 "o" gnus-article-date-original
2201 "i" gnus-article-date-iso8601
2202 "s" gnus-article-date-user)
2204 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2205 "t" gnus-article-remove-trailing-blank-lines
2206 "l" gnus-article-strip-leading-blank-lines
2207 "m" gnus-article-strip-multiple-blank-lines
2208 "a" gnus-article-strip-blank-lines
2209 "A" gnus-article-strip-all-blank-lines
2210 "s" gnus-article-strip-leading-space
2211 "e" gnus-article-strip-trailing-space
2212 "w" gnus-article-remove-leading-whitespace)
2214 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2216 "d" gnus-summary-describe-group
2217 "h" gnus-summary-describe-briefly
2218 "i" gnus-info-find-node)
2220 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2221 "e" gnus-summary-expire-articles
2222 "\M-\C-e" gnus-summary-expire-articles-now
2223 "\177" gnus-summary-delete-article
2224 [delete] gnus-summary-delete-article
2225 "m" gnus-summary-move-article
2226 "r" gnus-summary-respool-article
2227 "w" gnus-summary-edit-article
2228 "c" gnus-summary-copy-article
2229 "B" gnus-summary-crosspost-article
2230 "q" gnus-summary-respool-query
2231 "t" gnus-summary-respool-trace
2232 "i" gnus-summary-import-article
2233 "I" gnus-summary-create-article
2234 "p" gnus-summary-article-posted-p)
2236 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2237 "o" gnus-summary-save-article
2238 "m" gnus-summary-save-article-mail
2239 "F" gnus-summary-write-article-file
2240 "r" gnus-summary-save-article-rmail
2241 "f" gnus-summary-save-article-file
2242 "b" gnus-summary-save-article-body-file
2243 "B" gnus-summary-write-article-body-file
2244 "h" gnus-summary-save-article-folder
2245 "v" gnus-summary-save-article-vm
2246 "p" gnus-summary-pipe-output
2247 "P" gnus-summary-muttprint)
2249 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2250 "b" gnus-summary-display-buttonized
2251 "m" gnus-summary-repair-multipart
2252 "v" gnus-article-view-part
2253 "o" gnus-article-save-part
2254 "O" gnus-article-save-part-and-strip
2255 "r" gnus-article-replace-part
2256 "d" gnus-article-delete-part
2257 "t" gnus-article-view-part-as-type
2258 "j" gnus-article-jump-to-part
2259 "c" gnus-article-copy-part
2260 "C" gnus-article-view-part-as-charset
2261 "e" gnus-article-view-part-externally
2262 "H" gnus-article-browse-html-article
2263 "E" gnus-article-encrypt-body
2264 "i" gnus-article-inline-part
2265 "|" gnus-article-pipe-part)
2267 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2268 "p" gnus-summary-mark-as-processable
2269 "u" gnus-summary-unmark-as-processable
2270 "U" gnus-summary-unmark-all-processable
2271 "v" gnus-uu-mark-over
2272 "s" gnus-uu-mark-series
2273 "r" gnus-uu-mark-region
2274 "g" gnus-uu-unmark-region
2275 "R" gnus-uu-mark-by-regexp
2276 "G" gnus-uu-unmark-by-regexp
2277 "t" gnus-uu-mark-thread
2278 "T" gnus-uu-unmark-thread
2279 "a" gnus-uu-mark-all
2280 "b" gnus-uu-mark-buffer
2281 "S" gnus-uu-mark-sparse
2282 "k" gnus-summary-kill-process-mark
2283 "y" gnus-summary-yank-process-mark
2284 "w" gnus-summary-save-process-mark
2285 "i" gnus-uu-invert-processable)
2287 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2288 ;;"x" gnus-uu-extract-any
2289 "m" gnus-summary-save-parts
2290 "u" gnus-uu-decode-uu
2291 "U" gnus-uu-decode-uu-and-save
2292 "s" gnus-uu-decode-unshar
2293 "S" gnus-uu-decode-unshar-and-save
2294 "o" gnus-uu-decode-save
2295 "O" gnus-uu-decode-save
2296 "b" gnus-uu-decode-binhex
2297 "B" gnus-uu-decode-binhex
2298 "Y" gnus-uu-decode-yenc
2299 "p" gnus-uu-decode-postscript
2300 "P" gnus-uu-decode-postscript-and-save)
2303 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2304 "u" gnus-uu-decode-uu-view
2305 "U" gnus-uu-decode-uu-and-save-view
2306 "s" gnus-uu-decode-unshar-view
2307 "S" gnus-uu-decode-unshar-and-save-view
2308 "o" gnus-uu-decode-save-view
2309 "O" gnus-uu-decode-save-view
2310 "b" gnus-uu-decode-binhex-view
2311 "B" gnus-uu-decode-binhex-view
2312 "p" gnus-uu-decode-postscript-view
2313 "P" gnus-uu-decode-postscript-and-save-view)
2315 (defvar gnus-article-post-menu nil)
2317 (defconst gnus-summary-menu-maxlen 20)
2319 (defun gnus-summary-menu-split (menu)
2320 ;; If we have lots of elements, divide them into groups of 20
2321 ;; and make a pane (or submenu) for each one.
2322 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2323 (let ((menu menu) sublists next
2326 ;; Pull off the next gnus-summary-menu-maxlen elements
2327 ;; and make them the next element of sublist.
2328 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2330 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2332 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2333 (aref (car (last menu)) 0)) menu)
2337 (nreverse sublists))
2338 ;; Few elements--put them all in one pane.
2341 (defun gnus-summary-make-menu-bar ()
2342 (gnus-turn-off-edit-menu 'summary)
2344 (unless (boundp 'gnus-summary-misc-menu)
2347 gnus-summary-kill-menu gnus-summary-mode-map ""
2352 ["Customize" gnus-score-customize t])
2353 (gnus-make-score-map 'increase)
2354 (gnus-make-score-map 'lower)
2356 ["Kill below" gnus-summary-kill-below t]
2357 ["Mark above" gnus-summary-mark-above t]
2358 ["Tick above" gnus-summary-tick-above t]
2359 ["Clear above" gnus-summary-clear-above t])
2360 ["Current article score" gnus-summary-current-score t]
2361 ["Current thread score" (gnus-summary-current-score 'total) t]
2362 ["Set score" gnus-summary-set-score t]
2363 ["Switch current score file..." gnus-score-change-score-file t]
2364 ["Set mark below..." gnus-score-set-mark-below t]
2365 ["Set expunge below..." gnus-score-set-expunge-below t]
2366 ["Edit current score file" gnus-score-edit-current-scores t]
2367 ["Edit score file..." gnus-score-edit-file t]
2368 ["Trace score" gnus-score-find-trace t]
2369 ["Find words" gnus-score-find-favourite-words t]
2370 ["Rescore buffer" gnus-summary-rescore t]
2371 ["Increase score..." gnus-summary-increase-score t]
2372 ["Lower score..." gnus-summary-lower-score t]))))
2374 ;; Define both the Article menu in the summary buffer and the
2375 ;; equivalent Commands menu in the article buffer here for
2379 ["All" gnus-article-hide t]
2380 ["Headers" gnus-article-hide-headers t]
2381 ["Signature" gnus-article-hide-signature t]
2382 ["Citation" gnus-article-hide-citation t]
2383 ["List identifiers" gnus-article-hide-list-identifiers t]
2384 ["Banner" gnus-article-strip-banner t]
2385 ["Boring headers" gnus-article-hide-boring-headers t])
2387 ["All" gnus-article-highlight t]
2388 ["Headers" gnus-article-highlight-headers t]
2389 ["Signature" gnus-article-highlight-signature t]
2390 ["Citation" gnus-article-highlight-citation t])
2392 ["Words" gnus-article-decode-mime-words t]
2393 ["Charset" gnus-article-decode-charset t]
2394 ["QP" gnus-article-de-quoted-unreadable t]
2395 ["Base64" gnus-article-de-base64-unreadable t]
2396 ["View MIME buttons" gnus-summary-display-buttonized t]
2397 ["View all" gnus-mime-view-all-parts t]
2398 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2399 ["Encrypt body" gnus-article-encrypt-body
2400 :active (not (gnus-group-read-only-p))
2401 ,@(if (featurep 'xemacs) nil
2402 '(:help "Encrypt the message body on disk"))]
2403 ["Extract all parts..." gnus-summary-save-parts t]
2405 ["Repair multipart" gnus-summary-repair-multipart t]
2406 ["Pipe part..." gnus-article-pipe-part t]
2407 ["Inline part" gnus-article-inline-part t]
2408 ["View part as type..." gnus-article-view-part-as-type t]
2409 ["Encrypt body" gnus-article-encrypt-body
2410 :active (not (gnus-group-read-only-p))
2411 ,@(if (featurep 'xemacs) nil
2412 '(:help "Encrypt the message body on disk"))]
2413 ["View part externally" gnus-article-view-part-externally t]
2414 ["View HTML parts in browser" gnus-article-browse-html-article t]
2415 ["View part with charset..." gnus-article-view-part-as-charset t]
2416 ["Copy part" gnus-article-copy-part t]
2417 ["Save part..." gnus-article-save-part t]
2418 ["View part" gnus-article-view-part t]))
2420 ["Local" gnus-article-date-local t]
2421 ["ISO8601" gnus-article-date-iso8601 t]
2422 ["UT" gnus-article-date-ut t]
2423 ["Original" gnus-article-date-original t]
2424 ["Lapsed" gnus-article-date-lapsed t]
2425 ["User-defined" gnus-article-date-user t])
2427 ["Remove images" gnus-article-remove-images t]
2428 ["Toggle smiley" gnus-treat-smiley t]
2429 ["Show X-Face" gnus-article-display-x-face t]
2430 ["Show picons in From" gnus-treat-from-picon t]
2431 ["Show picons in mail headers" gnus-treat-mail-picon t]
2432 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2433 ["Show Gravatars in From" gnus-treat-from-gravatar t]
2434 ["Show Gravatars in mail headers" gnus-treat-mail-gravatar t]
2435 ("View as different encoding"
2436 ,@(gnus-summary-menu-split
2439 ;; Since easymenu under Emacs doesn't allow
2440 ;; lambda forms for menu commands, we should
2441 ;; provide intern'ed function symbols.
2442 (let ((command (intern (format "\
2443 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2447 (let ((gnus-summary-show-article-charset-alist
2449 (gnus-summary-show-article 1))))
2450 `[,(symbol-name cs) ,command t]))
2451 (sort (if (fboundp 'coding-system-list)
2452 (coding-system-list)
2453 (mapcar 'car mm-mime-mule-charset-alist))
2457 ["Leading" gnus-article-strip-leading-blank-lines t]
2458 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2459 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2460 ["All of the above" gnus-article-strip-blank-lines t]
2461 ["All" gnus-article-strip-all-blank-lines t]
2462 ["Leading space" gnus-article-strip-leading-space t]
2463 ["Trailing space" gnus-article-strip-trailing-space t]
2464 ["Leading space in headers"
2465 gnus-article-remove-leading-whitespace t])
2466 ["Overstrike" gnus-article-treat-overstrike t]
2467 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2468 ["Non-ASCII" gnus-article-treat-non-ascii t]
2469 ["Emphasis" gnus-article-emphasize t]
2470 ["Word wrap" gnus-article-fill-cited-article t]
2471 ["Fill long lines" gnus-article-fill-long-lines t]
2472 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2473 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2474 ["Remove CR" gnus-article-remove-cr t]
2475 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2476 ["Base64" gnus-article-de-base64-unreadable t]
2477 ["Rot 13" gnus-summary-caesar-message
2478 ,@(if (featurep 'xemacs) '(t)
2479 '(:help "\"Caesar rotate\" article by 13"))]
2480 ["De-IDNA" gnus-summary-idna-message t]
2481 ["Morse decode" gnus-summary-morse-message t]
2482 ["Unix pipe..." gnus-summary-pipe-message t]
2483 ["Add buttons" gnus-article-add-buttons t]
2484 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2485 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2486 ["Verbose header" gnus-summary-verbose-headers t]
2487 ["Toggle header" gnus-summary-toggle-header t]
2488 ["Unfold headers" gnus-article-treat-unfold-headers t]
2489 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2490 ["Html" gnus-article-wash-html t]
2491 ["Unsplit URLs" gnus-article-unsplit-urls t]
2492 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2493 ["Decode HZ" gnus-article-decode-HZ t]
2494 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2495 ("(Outlook) Deuglify"
2496 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2497 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2498 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2499 ["Full (Outlook) deuglify"
2500 gnus-article-outlook-deuglify-article t])
2503 ["Save in default format..." gnus-summary-save-article
2504 ,@(if (featurep 'xemacs) '(t)
2505 '(:help "Save article using default method"))]
2506 ["Save in file..." gnus-summary-save-article-file
2507 ,@(if (featurep 'xemacs) '(t)
2508 '(:help "Save article in file"))]
2509 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2510 ["Save in MH folder..." gnus-summary-save-article-folder t]
2511 ["Save in VM folder..." gnus-summary-save-article-vm t]
2512 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2513 ["Save body in file..." gnus-summary-save-article-body-file t]
2514 ["Pipe through a filter..." gnus-summary-pipe-output t]
2515 ["Print with Muttprint..." gnus-summary-muttprint t]
2516 ["Print" gnus-summary-print-article
2517 ,@(if (featurep 'xemacs) '(t)
2518 '(:help "Generate and print a PostScript image"))])
2519 ("Copy, move,... (Backend)"
2520 ,@(if (featurep 'xemacs) nil
2521 '(:help "Copying, moving, expiring articles..."))
2522 ["Respool article..." gnus-summary-respool-article t]
2523 ["Move article..." gnus-summary-move-article
2524 (gnus-check-backend-function
2525 'request-move-article gnus-newsgroup-name)]
2526 ["Copy article..." gnus-summary-copy-article t]
2527 ["Crosspost article..." gnus-summary-crosspost-article
2528 (gnus-check-backend-function
2529 'request-replace-article gnus-newsgroup-name)]
2530 ["Import file..." gnus-summary-import-article
2531 (gnus-check-backend-function
2532 'request-accept-article gnus-newsgroup-name)]
2533 ["Create article..." gnus-summary-create-article
2534 (gnus-check-backend-function
2535 'request-accept-article gnus-newsgroup-name)]
2536 ["Check if posted" gnus-summary-article-posted-p t]
2537 ["Edit article" gnus-summary-edit-article
2538 (not (gnus-group-read-only-p))]
2539 ["Delete article" gnus-summary-delete-article
2540 (gnus-check-backend-function
2541 'request-expire-articles gnus-newsgroup-name)]
2542 ["Query respool" gnus-summary-respool-query t]
2543 ["Trace respool" gnus-summary-respool-trace t]
2544 ["Delete expirable articles" gnus-summary-expire-articles-now
2545 (gnus-check-backend-function
2546 'request-expire-articles gnus-newsgroup-name)])
2548 ["Uudecode" gnus-uu-decode-uu
2549 ,@(if (featurep 'xemacs) '(t)
2550 '(:help "Decode uuencoded article(s)"))]
2551 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2552 ["Unshar" gnus-uu-decode-unshar t]
2553 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2554 ["Save" gnus-uu-decode-save t]
2555 ["Binhex" gnus-uu-decode-binhex t]
2556 ["PostScript" gnus-uu-decode-postscript t]
2557 ["All MIME parts" gnus-summary-save-parts t])
2559 ["Enter article" gnus-cache-enter-article t]
2560 ["Remove article" gnus-cache-remove-article t])
2561 ["Translate" gnus-article-babel t]
2562 ["Select article buffer" gnus-summary-select-article-buffer t]
2563 ["Make article buffer sticky" gnus-sticky-article t]
2564 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2565 ["Isearch article..." gnus-summary-isearch-article t]
2566 ["Beginning of the article" gnus-summary-beginning-of-article t]
2567 ["End of the article" gnus-summary-end-of-article t]
2568 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2569 ["Fetch referenced articles" gnus-summary-refer-references t]
2570 ["Fetch current thread" gnus-summary-refer-thread t]
2571 ["Fetch article with id..." gnus-summary-refer-article t]
2572 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2573 ["Redisplay" gnus-summary-show-article t]
2574 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2576 gnus-summary-article-menu gnus-summary-mode-map ""
2577 (cons "Article" innards))
2579 (if (not (keymapp gnus-summary-article-menu))
2581 gnus-article-commands-menu gnus-article-mode-map ""
2582 (cons "Commands" innards))
2583 ;; in Emacs, don't share menu.
2584 (setq gnus-article-commands-menu
2585 (copy-keymap gnus-summary-article-menu))
2586 (define-key gnus-article-mode-map [menu-bar commands]
2587 (cons "Commands" gnus-article-commands-menu))))
2590 gnus-summary-thread-menu gnus-summary-mode-map ""
2592 ["Find all messages in thread" gnus-summary-refer-thread t]
2593 ["Toggle threading" gnus-summary-toggle-threads t]
2594 ["Hide threads" gnus-summary-hide-all-threads t]
2595 ["Show threads" gnus-summary-show-all-threads t]
2596 ["Hide thread" gnus-summary-hide-thread t]
2597 ["Show thread" gnus-summary-show-thread t]
2598 ["Go to next thread" gnus-summary-next-thread t]
2599 ["Go to previous thread" gnus-summary-prev-thread t]
2600 ["Go down thread" gnus-summary-down-thread t]
2601 ["Go up thread" gnus-summary-up-thread t]
2602 ["Top of thread" gnus-summary-top-thread t]
2603 ["Mark thread as read" gnus-summary-kill-thread t]
2604 ["Mark thread as expired" gnus-summary-expire-thread t]
2605 ["Lower thread score" gnus-summary-lower-thread t]
2606 ["Raise thread score" gnus-summary-raise-thread t]
2607 ["Rethread current" gnus-summary-rethread-current t]))
2610 gnus-summary-post-menu gnus-summary-mode-map ""
2612 ["Send a message (mail or news)" gnus-summary-post-news
2613 ,@(if (featurep 'xemacs) '(t)
2614 '(:help "Compose a new message (mail or news)"))]
2615 ["Followup" gnus-summary-followup
2616 ,@(if (featurep 'xemacs) '(t)
2617 '(:help "Post followup to this article"))]
2618 ["Followup and yank" gnus-summary-followup-with-original
2619 ,@(if (featurep 'xemacs) '(t)
2620 '(:help "Post followup to this article, quoting its contents"))]
2621 ["Supersede article" gnus-summary-supersede-article t]
2622 ["Cancel article" gnus-summary-cancel-article
2623 ,@(if (featurep 'xemacs) '(t)
2624 '(:help "Cancel an article you posted"))]
2625 ["Reply" gnus-summary-reply t]
2626 ["Reply and yank" gnus-summary-reply-with-original t]
2627 ["Wide reply" gnus-summary-wide-reply t]
2628 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2629 ,@(if (featurep 'xemacs) '(t)
2630 '(:help "Mail a reply, quoting this article"))]
2631 ["Very wide reply" gnus-summary-very-wide-reply t]
2632 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2633 ,@(if (featurep 'xemacs) '(t)
2634 '(:help "Mail a very wide reply, quoting this article"))]
2635 ["Mail forward" gnus-summary-mail-forward t]
2636 ["Post forward" gnus-summary-post-forward t]
2637 ["Digest and mail" gnus-uu-digest-mail-forward t]
2638 ["Digest and post" gnus-uu-digest-post-forward t]
2639 ["Resend message" gnus-summary-resend-message t]
2640 ["Resend message edit" gnus-summary-resend-message-edit t]
2641 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2642 ["Send a mail" gnus-summary-mail-other-window t]
2643 ["Create a local message" gnus-summary-news-other-window t]
2644 ["Uuencode and post" gnus-uu-post-news
2645 ,@(if (featurep 'xemacs) '(t)
2646 '(:help "Post a uuencoded article"))]
2647 ["Followup via news" gnus-summary-followup-to-mail t]
2648 ["Followup via news and yank"
2649 gnus-summary-followup-to-mail-with-original t]
2650 ["Strip signature on reply"
2653 (if (not (memq message-cite-function
2654 '(message-cite-original-without-signature
2655 message-cite-original)))
2656 ;; Stupid workaround for XEmacs not honoring :visible.
2657 (message "Can't toggle this value of `message-cite-function'")
2658 (setq message-cite-function
2659 (if (eq message-cite-function
2660 'message-cite-original-without-signature)
2661 'message-cite-original
2662 'message-cite-original-without-signature))))
2663 ;; XEmacs barfs on :visible.
2664 ,@(if (featurep 'xemacs) nil
2665 '(:visible (memq message-cite-function
2666 '(message-cite-original-without-signature
2667 message-cite-original))))
2669 :selected (eq message-cite-function
2670 'message-cite-original-without-signature)
2671 ,@(if (featurep 'xemacs) nil
2672 '(:help "Strip signature from cited article when replying."))]
2674 ;;["Send" gnus-summary-send-draft t]
2675 ;;["Send bounced" gnus-resend-bounced-mail t])
2679 ((not (keymapp gnus-summary-post-menu))
2680 (setq gnus-article-post-menu gnus-summary-post-menu))
2681 ((not gnus-article-post-menu)
2682 ;; Don't share post menu.
2683 (setq gnus-article-post-menu
2684 (copy-keymap gnus-summary-post-menu))))
2685 (define-key gnus-article-mode-map [menu-bar post]
2686 (cons "Post" gnus-article-post-menu))
2689 gnus-summary-misc-menu gnus-summary-mode-map ""
2692 ["Mark as read" gnus-summary-mark-as-read-forward t]
2693 ["Mark same subject and select"
2694 gnus-summary-kill-same-subject-and-select t]
2695 ["Mark same subject" gnus-summary-kill-same-subject t]
2696 ["Catchup" gnus-summary-catchup
2697 ,@(if (featurep 'xemacs) '(t)
2698 '(:help "Mark unread articles in this group as read"))]
2699 ["Catchup all" gnus-summary-catchup-all t]
2700 ["Catchup to here" gnus-summary-catchup-to-here t]
2701 ["Catchup from here" gnus-summary-catchup-from-here t]
2702 ["Catchup region" gnus-summary-mark-region-as-read
2703 (gnus-mark-active-p)]
2704 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2706 ["Tick" gnus-summary-tick-article-forward t]
2707 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2708 ["Remove marks" gnus-summary-clear-mark-forward t]
2709 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2710 ["Set bookmark" gnus-summary-set-bookmark t]
2711 ["Remove bookmark" gnus-summary-remove-bookmark t])
2713 ["Marks..." gnus-summary-limit-to-marks t]
2714 ["Subject..." gnus-summary-limit-to-subject t]
2715 ["Author..." gnus-summary-limit-to-author t]
2716 ["Recipient..." gnus-summary-limit-to-recipient t]
2717 ["Address..." gnus-summary-limit-to-address t]
2718 ["Age..." gnus-summary-limit-to-age t]
2719 ["Extra..." gnus-summary-limit-to-extra t]
2720 ["Score..." gnus-summary-limit-to-score t]
2721 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2722 ["Unread" gnus-summary-limit-to-unread t]
2723 ["Unseen" gnus-summary-limit-to-unseen t]
2724 ["Singletons" gnus-summary-limit-to-singletons t]
2725 ["Replied" gnus-summary-limit-to-replied t]
2726 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2727 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2728 ["Pop limit" gnus-summary-pop-limit t]
2729 ["Show dormant" gnus-summary-limit-include-dormant t]
2730 ["Hide childless dormant"
2731 gnus-summary-limit-exclude-childless-dormant t]
2732 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2733 ["Hide marked" gnus-summary-limit-exclude-marks t]
2734 ["Show expunged" gnus-summary-limit-include-expunged t])
2736 ["Set mark" gnus-summary-mark-as-processable t]
2737 ["Remove mark" gnus-summary-unmark-as-processable t]
2738 ["Remove all marks" gnus-summary-unmark-all-processable t]
2739 ["Invert marks" gnus-uu-invert-processable t]
2740 ["Mark above" gnus-uu-mark-over t]
2741 ["Mark series" gnus-uu-mark-series t]
2742 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2743 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2744 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2745 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2746 ["Mark all" gnus-uu-mark-all t]
2747 ["Mark buffer" gnus-uu-mark-buffer t]
2748 ["Mark sparse" gnus-uu-mark-sparse t]
2749 ["Mark thread" gnus-uu-mark-thread t]
2750 ["Unmark thread" gnus-uu-unmark-thread t]
2751 ("Process Mark Sets"
2752 ["Kill" gnus-summary-kill-process-mark t]
2753 ["Yank" gnus-summary-yank-process-mark
2754 gnus-newsgroup-process-stack]
2755 ["Save" gnus-summary-save-process-mark t]
2756 ["Run command on marked..." gnus-summary-universal-argument t]))
2759 ["Page forward" gnus-summary-next-page
2760 ,@(if (featurep 'xemacs) '(t)
2761 '(:help "Show next page of article"))]
2762 ["Page backward" gnus-summary-prev-page
2763 ,@(if (featurep 'xemacs) '(t)
2764 '(:help "Show previous page of article"))]
2765 ["Line forward" gnus-summary-scroll-up t])
2767 ["Next unread article" gnus-summary-next-unread-article t]
2768 ["Previous unread article" gnus-summary-prev-unread-article t]
2769 ["Next article" gnus-summary-next-article t]
2770 ["Previous article" gnus-summary-prev-article t]
2771 ["Next unread subject" gnus-summary-next-unread-subject t]
2772 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2773 ["Next article same subject" gnus-summary-next-same-subject t]
2774 ["Previous article same subject" gnus-summary-prev-same-subject t]
2775 ["First unread article" gnus-summary-first-unread-article t]
2776 ["Best unread article" gnus-summary-best-unread-article t]
2777 ["Go to subject number..." gnus-summary-goto-subject t]
2778 ["Go to article number..." gnus-summary-goto-article t]
2779 ["Go to the last article" gnus-summary-goto-last-article t]
2780 ["Pop article off history" gnus-summary-pop-article t])
2782 ["Sort by number" gnus-summary-sort-by-number t]
2783 ["Sort by most recent number" gnus-summary-sort-by-most-recent-number t]
2784 ["Sort by author" gnus-summary-sort-by-author t]
2785 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2786 ["Sort by subject" gnus-summary-sort-by-subject t]
2787 ["Sort by date" gnus-summary-sort-by-date t]
2788 ["Sort by most recent date" gnus-summary-sort-by-most-recent-date t]
2789 ["Sort by score" gnus-summary-sort-by-score t]
2790 ["Sort by lines" gnus-summary-sort-by-lines t]
2791 ["Sort by characters" gnus-summary-sort-by-chars t]
2792 ["Randomize" gnus-summary-sort-by-random t]
2793 ["Original sort" gnus-summary-sort-by-original t])
2795 ["Describe group" gnus-summary-describe-group t]
2796 ["Read manual" gnus-info-find-node t])
2798 ["Pick and read" gnus-pick-mode t]
2799 ["Binary" gnus-binary-mode t])
2801 ["Regenerate" gnus-summary-prepare t]
2802 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2803 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2804 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2805 ["Toggle threading" gnus-summary-toggle-threads t])
2806 ["See old articles" gnus-summary-insert-old-articles t]
2807 ["See new articles" gnus-summary-insert-new-articles t]
2808 ["Filter articles..." gnus-summary-execute-command t]
2809 ["Run command on articles..." gnus-summary-universal-argument t]
2810 ["Search articles forward..." gnus-summary-search-article-forward t]
2811 ["Search articles backward..." gnus-summary-search-article-backward t]
2812 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2813 ["Expand window" gnus-summary-expand-window t]
2814 ["Expire expirable articles" gnus-summary-expire-articles
2815 (gnus-check-backend-function
2816 'request-expire-articles gnus-newsgroup-name)]
2817 ["Edit local kill file" gnus-summary-edit-local-kill t]
2818 ["Edit main kill file" gnus-summary-edit-global-kill t]
2819 ["Edit group parameters" gnus-summary-edit-parameters t]
2820 ["Customize group parameters" gnus-summary-customize-parameters t]
2821 ["Send a bug report" gnus-bug t]
2823 ["Catchup and exit" gnus-summary-catchup-and-exit
2824 ,@(if (featurep 'xemacs) '(t)
2825 '(:help "Mark unread articles in this group as read, then exit"))]
2826 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2827 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2828 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2829 ["Exit group" gnus-summary-exit
2830 ,@(if (featurep 'xemacs) '(t)
2831 '(:help "Exit current group, return to group selection mode"))]
2832 ["Exit group without updating" gnus-summary-exit-no-update t]
2833 ["Exit and goto next group" gnus-summary-next-group t]
2834 ["Exit and goto prev group" gnus-summary-prev-group t]
2835 ["Reselect group" gnus-summary-reselect-current-group t]
2836 ["Rescan group" gnus-summary-rescan-group t]
2837 ["Update dribble" gnus-summary-save-newsrc t])))
2839 (gnus-run-hooks 'gnus-summary-menu-hook)))
2841 (defvar gnus-summary-tool-bar-map nil)
2843 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2844 ;; affect _new_ message buffers. We might add a function that walks thru all
2845 ;; summary-mode buffers and force the update.
2846 (defun gnus-summary-tool-bar-update (&optional symbol value)
2847 "Update summary mode toolbar.
2848 Setter function for custom variables."
2849 (setq-default gnus-summary-tool-bar-map nil)
2851 ;; When used as ":set" function:
2852 (set-default symbol value))
2853 (when (gnus-buffer-live-p gnus-summary-buffer)
2854 (with-current-buffer gnus-summary-buffer
2855 (gnus-summary-make-tool-bar))))
2857 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2858 'gnus-summary-tool-bar-gnome
2859 'gnus-summary-tool-bar-retro)
2860 "Specifies the Gnus summary tool bar.
2862 It can be either a list or a symbol referring to a list. See
2863 `gmm-tool-bar-from-list' for the format of the list. The
2864 default key map is `gnus-summary-mode-map'.
2866 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2867 `gnus-summary-tool-bar-retro'."
2868 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2869 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2870 (repeat :tag "User defined list" gmm-tool-bar-item)
2872 :version "23.1" ;; No Gnus
2873 :initialize 'custom-initialize-default
2874 :set 'gnus-summary-tool-bar-update
2875 :group 'gnus-summary)
2877 (defcustom gnus-summary-tool-bar-gnome
2878 '((gnus-summary-post-news "mail/compose" nil)
2879 (gnus-summary-insert-new-articles "mail/inbox" nil
2880 :visible (or (not gnus-agent)
2882 (gnus-summary-reply-with-original "mail/reply")
2883 (gnus-summary-reply "mail/reply" nil :visible nil)
2884 (gnus-summary-followup-with-original "mail/reply-all")
2885 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2886 (gnus-summary-mail-forward "mail/forward")
2887 (gnus-summary-save-article "mail/save")
2888 (gnus-summary-search-article-forward "search" nil :visible nil)
2889 (gnus-summary-print-article "print")
2890 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2891 ;; Some new commands that may need more suitable icons:
2892 (gnus-summary-save-newsrc "save" nil :visible nil)
2893 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2894 (gnus-summary-prev-article "left-arrow")
2895 (gnus-summary-next-article "right-arrow")
2896 (gnus-summary-next-page "next-page")
2897 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2899 ;; Maybe some sort-by-... could be added:
2900 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2901 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2902 (gnus-summary-mark-as-expirable
2904 :visible (gnus-check-backend-function 'request-expire-articles
2905 gnus-newsgroup-name))
2906 (gnus-summary-mark-as-spam
2908 :visible (and (fboundp 'spam-group-ham-contents-p)
2909 (spam-group-ham-contents-p gnus-newsgroup-name))
2910 :help "Mark as spam")
2911 (gnus-summary-mark-as-read-forward
2913 :visible (and (fboundp 'spam-group-spam-contents-p)
2914 (spam-group-spam-contents-p gnus-newsgroup-name)))
2916 (gnus-summary-exit "exit")
2917 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2918 (gnus-info-find-node "help"))
2919 "List of functions for the summary tool bar (GNOME style).
2921 See `gmm-tool-bar-from-list' for the format of the list."
2922 :type '(repeat gmm-tool-bar-item)
2923 :version "23.1" ;; No Gnus
2924 :initialize 'custom-initialize-default
2925 :set 'gnus-summary-tool-bar-update
2926 :group 'gnus-summary)
2928 (defcustom gnus-summary-tool-bar-retro
2929 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2930 (gnus-summary-next-unread-article "gnus/next-ur")
2931 (gnus-summary-post-news "gnus/post")
2932 (gnus-summary-followup-with-original "gnus/fuwo")
2933 (gnus-summary-followup "gnus/followup")
2934 (gnus-summary-reply-with-original "gnus/reply-wo")
2935 (gnus-summary-reply "gnus/reply")
2936 (gnus-summary-caesar-message "gnus/rot13")
2937 (gnus-uu-decode-uu "gnus/uu-decode")
2938 (gnus-summary-save-article-file "gnus/save-aif")
2939 (gnus-summary-save-article "gnus/save-art")
2940 (gnus-uu-post-news "gnus/uu-post")
2941 (gnus-summary-catchup "gnus/catchup")
2942 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2943 (gnus-summary-exit "gnus/exit-summ")
2944 ;; Some new command that may need more suitable icons:
2945 (gnus-summary-print-article "gnus/print" nil :visible nil)
2946 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2947 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2948 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2949 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2950 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2951 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2953 (gnus-info-find-node "gnus/help" nil :visible nil))
2954 "List of functions for the summary tool bar (retro look).
2956 See `gmm-tool-bar-from-list' for the format of the list."
2957 :type '(repeat gmm-tool-bar-item)
2958 :version "23.1" ;; No Gnus
2959 :initialize 'custom-initialize-default
2960 :set 'gnus-summary-tool-bar-update
2961 :group 'gnus-summary)
2963 (defcustom gnus-summary-tool-bar-zap-list t
2964 "List of icon items from the global tool bar.
2965 These items are not displayed in the Gnus summary mode tool bar.
2967 See `gmm-tool-bar-from-list' for the format of the list."
2968 :type 'gmm-tool-bar-zap-list
2969 :version "23.1" ;; No Gnus
2970 :initialize 'custom-initialize-default
2971 :set 'gnus-summary-tool-bar-update
2972 :group 'gnus-summary)
2974 (defvar image-load-path)
2975 (defvar tool-bar-map)
2977 (defun gnus-summary-make-tool-bar (&optional force)
2978 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2979 When FORCE, rebuild the tool bar."
2980 (when (and (not (featurep 'xemacs))
2981 (boundp 'tool-bar-mode)
2983 (or (not gnus-summary-tool-bar-map) force))
2985 (gmm-image-load-path-for-library "gnus"
2988 (image-load-path (cons (car load-path)
2989 (when (boundp 'image-load-path)
2991 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2992 gnus-summary-tool-bar-zap-list
2993 'gnus-summary-mode-map)))
2995 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2997 (setq gnus-summary-tool-bar-map map))))
2998 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
3000 (defun gnus-make-score-map (type)
3001 "Make a summary score map of type TYPE."
3004 (let ((headers '(("author" "from" string)
3005 ("subject" "subject" string)
3006 ("article body" "body" string)
3007 ("article head" "head" string)
3008 ("xref" "xref" string)
3009 ("extra header" "extra" string)
3010 ("lines" "lines" number)
3011 ("followups to author" "followup" string)))
3012 (types '((number ("less than" <)
3015 (string ("substring" s)
3019 (perms '(("temporary" (current-time-string))
3027 (if (eq type 'lower)
3032 (setq header (car headers))
3038 (let ((ts (cdr (assoc (nth 2 header) types)))
3054 'gnus-summary-score-entry
3056 (if (or (string= (nth 1 header)
3058 (string= (nth 1 header)
3061 (list 'gnus-summary-header
3063 (list 'quote (nth 1 (car ts)))
3064 (list 'gnus-score-delta-default
3071 (list (nreverse outp))))
3074 (list (nreverse outt))))
3076 (setq headers (cdr headers)))
3077 (list (nreverse outh))))))))
3080 (declare-function turn-on-gnus-mailing-list-mode "gnus-ml" ())
3081 (defvar bookmark-make-record-function)
3083 (defvar bidi-paragraph-direction)
3085 (defun gnus-summary-mode (&optional group)
3086 "Major mode for reading articles.
3088 All normal editing commands are switched off.
3089 \\<gnus-summary-mode-map>
3090 Each line in this buffer represents one article. To read an
3091 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
3092 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
3095 You can also post articles and send mail from this buffer. To
3096 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
3097 of an article, type `\\[gnus-summary-reply]'.
3099 There are approx. one gazillion commands you can execute in this
3100 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
3102 The following commands are available:
3104 \\{gnus-summary-mode-map}"
3105 ;; FIXME: Use define-derived-mode.
3107 (kill-all-local-variables)
3108 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
3109 (gnus-summary-make-local-variables))
3110 (gnus-summary-make-local-variables)
3111 (setq gnus-newsgroup-name group)
3112 (when (gnus-visual-p 'summary-menu 'menu)
3113 (gnus-summary-make-menu-bar)
3114 (gnus-summary-make-tool-bar))
3115 (gnus-make-thread-indent-array)
3116 (gnus-simplify-mode-line)
3117 (setq major-mode 'gnus-summary-mode)
3118 (setq mode-name "Summary")
3119 (use-local-map gnus-summary-mode-map)
3120 (buffer-disable-undo)
3121 (setq buffer-read-only t ;Disable modification
3122 show-trailing-whitespace nil)
3123 (setq truncate-lines t)
3124 ;; Force paragraph direction to be left-to-right. Don't make it
3125 ;; bound globally in old Emacsen and XEmacsen.
3126 (set (make-local-variable 'bidi-paragraph-direction) 'left-to-right)
3127 (add-to-invisibility-spec '(gnus-sum . t))
3128 (gnus-summary-set-display-table)
3129 (gnus-set-default-directory)
3130 (make-local-variable 'gnus-summary-line-format)
3131 (make-local-variable 'gnus-summary-line-format-spec)
3132 (make-local-variable 'gnus-summary-dummy-line-format)
3133 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3134 (make-local-variable 'gnus-summary-mark-positions)
3135 (gnus-make-local-hook 'pre-command-hook)
3136 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3137 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3138 (turn-on-gnus-mailing-list-mode)
3139 (mm-enable-multibyte)
3140 (set (make-local-variable 'bookmark-make-record-function)
3141 'gnus-summary-bookmark-make-record)
3142 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3143 (gnus-update-summary-mark-positions))
3145 (defun gnus-summary-make-local-variables ()
3146 "Make all the local summary buffer variables."
3148 (dolist (local gnus-summary-local-variables)
3151 (if (eq (cdr local) 'global)
3152 ;; Copy the global value of the variable.
3153 (setq global (symbol-value (car local)))
3154 ;; Use the value from the list.
3155 (setq global (eval (cdr local))))
3156 (set (make-local-variable (car local)) global))
3157 ;; Simple nil-valued local variable.
3158 (set (make-local-variable local) nil)))))
3160 ;; Summary data functions.
3162 (defmacro gnus-data-number (data)
3165 (defmacro gnus-data-set-number (data number)
3166 `(setcar ,data ,number))
3168 (defmacro gnus-data-mark (data)
3171 (defmacro gnus-data-set-mark (data mark)
3172 `(setcar (nthcdr 1 ,data) ,mark))
3174 (defmacro gnus-data-pos (data)
3177 (defmacro gnus-data-set-pos (data pos)
3178 `(setcar (nthcdr 2 ,data) ,pos))
3180 (defmacro gnus-data-header (data)
3183 (defmacro gnus-data-set-header (data header)
3184 `(setf (nth 3 ,data) ,header))
3186 (defmacro gnus-data-level (data)
3189 (defmacro gnus-data-unread-p (data)
3190 `(= (nth 1 ,data) gnus-unread-mark))
3192 (defmacro gnus-data-read-p (data)
3193 `(/= (nth 1 ,data) gnus-unread-mark))
3195 (defmacro gnus-data-pseudo-p (data)
3196 `(consp (nth 3 ,data)))
3198 (defmacro gnus-data-find (number)
3199 `(assq ,number gnus-newsgroup-data))
3201 (defmacro gnus-data-find-list (number &optional data)
3202 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3203 (memq (assq ,number bdata)
3206 (defmacro gnus-data-make (number mark pos header level)
3207 `(list ,number ,mark ,pos ,header ,level))
3209 (defun gnus-data-enter (after-article number mark pos header level offset)
3210 (let ((data (gnus-data-find-list after-article)))
3212 (error "No such article: %d" after-article))
3213 (setcdr data (cons (gnus-data-make number mark pos header level)
3215 (setq gnus-newsgroup-data-reverse nil)
3216 (gnus-data-update-list (cddr data) offset)))
3218 (defun gnus-data-enter-list (after-article list &optional offset)
3220 (let ((data (and after-article (gnus-data-find-list after-article)))
3224 (let ((odata gnus-newsgroup-data))
3225 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3227 (gnus-data-update-list odata offset)))
3228 ;; Find the last element in the list to be spliced into the main
3230 (setq list (last list))
3233 (setcdr list gnus-newsgroup-data)
3234 (setq gnus-newsgroup-data ilist)
3236 (gnus-data-update-list (cdr list) offset)))
3237 (setcdr list (cdr data))
3240 (gnus-data-update-list (cdr list) offset))))
3241 (setq gnus-newsgroup-data-reverse nil))))
3243 (defun gnus-data-remove (article &optional offset)
3244 (let ((data gnus-newsgroup-data))
3245 (if (= (gnus-data-number (car data)) article)
3247 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3248 gnus-newsgroup-data-reverse nil)
3250 (gnus-data-update-list gnus-newsgroup-data offset)))
3252 (when (= (gnus-data-number (cadr data)) article)
3253 (setcdr data (cddr data))
3255 (gnus-data-update-list (cdr data) offset))
3257 gnus-newsgroup-data-reverse nil))
3258 (setq data (cdr data))))))
3260 (defmacro gnus-data-list (backward)
3262 (or gnus-newsgroup-data-reverse
3263 (setq gnus-newsgroup-data-reverse
3264 (reverse gnus-newsgroup-data)))
3265 gnus-newsgroup-data))
3267 (defun gnus-data-update-list (data offset)
3268 "Add OFFSET to the POS of all data entries in DATA."
3269 (setq gnus-newsgroup-data-reverse nil)
3271 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3272 (setq data (cdr data))))
3274 (defun gnus-summary-article-pseudo-p (article)
3275 "Say whether this article is a pseudo article or not."
3276 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3278 (defmacro gnus-summary-article-sparse-p (article)
3279 "Say whether this article is a sparse article or not."
3280 `(memq ,article gnus-newsgroup-sparse))
3282 (defmacro gnus-summary-article-ancient-p (article)
3283 "Say whether this article is a sparse article or not."
3284 `(memq ,article gnus-newsgroup-ancient))
3286 (defun gnus-article-children (number)
3287 "Return a list of all children to NUMBER."
3288 (let* ((data (gnus-data-find-list number))
3289 (level (gnus-data-level (car data)))
3291 (setq data (cdr data))
3293 (= (gnus-data-level (car data)) (1+ level)))
3294 (push (gnus-data-number (car data)) children)
3295 (setq data (cdr data)))
3298 (defmacro gnus-summary-skip-intangible ()
3299 "If the current article is intangible, then jump to a different article."
3300 '(let ((to (get-text-property (point) 'gnus-intangible)))
3301 (and to (gnus-summary-goto-subject to))))
3303 (defmacro gnus-summary-article-intangible-p ()
3304 "Say whether this article is intangible or not."
3305 '(get-text-property (point) 'gnus-intangible))
3307 ;; Some summary mode macros.
3309 (defmacro gnus-summary-article-number ()
3310 "The article number of the article on the current line.
3311 If there isn't an article number here, then we return the current
3314 (gnus-summary-skip-intangible)
3315 (or (get-text-property (point) 'gnus-number)
3316 (gnus-summary-last-subject))))
3318 (defmacro gnus-summary-article-header (&optional number)
3319 "Return the header of article NUMBER."
3320 `(gnus-data-header (gnus-data-find
3321 ,(or number '(gnus-summary-article-number)))))
3323 (defmacro gnus-summary-thread-level (&optional number)
3324 "Return the level of thread that starts with article NUMBER."
3325 `(if (and (eq gnus-summary-make-false-root 'dummy)
3326 (get-text-property (point) 'gnus-intangible))
3328 (gnus-data-level (gnus-data-find
3329 ,(or number '(gnus-summary-article-number))))))
3331 (defmacro gnus-summary-article-mark (&optional number)
3332 "Return the mark of article NUMBER."
3333 `(gnus-data-mark (gnus-data-find
3334 ,(or number '(gnus-summary-article-number)))))
3336 (defmacro gnus-summary-article-pos (&optional number)
3337 "Return the position of the line of article NUMBER."
3338 `(gnus-data-pos (gnus-data-find
3339 ,(or number '(gnus-summary-article-number)))))
3341 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3342 (defmacro gnus-summary-article-subject (&optional number)
3343 "Return current subject string or nil if nothing."
3346 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3347 '(gnus-data-header (assq (gnus-summary-article-number)
3348 gnus-newsgroup-data)))))
3351 (mail-header-subject headers))))
3353 (defmacro gnus-summary-article-score (&optional number)
3354 "Return current article score."
3355 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3356 gnus-newsgroup-scored))
3357 gnus-summary-default-score 0))
3359 (defun gnus-summary-article-children (&optional number)
3360 "Return a list of article numbers that are children of article NUMBER."
3361 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3362 (level (gnus-data-level (car data)))
3364 (while (and (setq data (cdr data))
3365 (> (setq l (gnus-data-level (car data))) level))
3366 (and (= (1+ level) l)
3367 (push (gnus-data-number (car data))
3369 (nreverse children)))
3371 (defun gnus-summary-article-parent (&optional number)
3372 "Return the article number of the parent of article NUMBER."
3373 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3374 (gnus-data-list t)))
3375 (level (gnus-data-level (car data))))
3377 () ; This is a root.
3378 ;; We search until we find an article with a level less than
3379 ;; this one. That function has to be the parent.
3380 (while (and (setq data (cdr data))
3381 (not (< (gnus-data-level (car data)) level))))
3382 (and data (gnus-data-number (car data))))))
3384 (defun gnus-unread-mark-p (mark)
3385 "Say whether MARK is the unread mark."
3386 (= mark gnus-unread-mark))
3388 (defun gnus-read-mark-p (mark)
3389 "Say whether MARK is one of the marks that mark as read.
3390 This is all marks except unread, ticked, dormant, and expirable."
3391 (not (or (= mark gnus-unread-mark)
3392 (= mark gnus-ticked-mark)
3393 (= mark gnus-spam-mark)
3394 (= mark gnus-dormant-mark)
3395 (= mark gnus-expirable-mark))))
3397 (defmacro gnus-article-mark (number)
3398 "Return the MARK of article NUMBER.
3399 This macro should only be used when computing the mark the \"first\"
3400 time; i.e., when generating the summary lines. After that,
3401 `gnus-summary-article-mark' should be used to examine the
3404 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3405 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3406 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3407 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3408 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3409 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3410 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3411 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3412 gnus-ancient-mark))))
3414 ;; Saving hidden threads.
3416 (defmacro gnus-save-hidden-threads (&rest forms)
3417 "Save hidden threads, eval FORMS, and restore the hidden threads."
3418 (let ((config (make-symbol "config")))
3419 `(let ((,config (gnus-hidden-threads-configuration)))
3423 (gnus-restore-hidden-threads-configuration ,config)))))
3424 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3425 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3427 (defun gnus-data-compute-positions ()
3428 "Compute the positions of all articles."
3429 (setq gnus-newsgroup-data-reverse nil)
3430 (let ((data gnus-newsgroup-data))
3432 (gnus-save-hidden-threads
3433 (gnus-summary-show-all-threads)
3434 (goto-char (point-min))
3436 (while (get-text-property (point) 'gnus-intangible)
3438 (gnus-data-set-pos (car data) (+ (point) 3))
3439 (setq data (cdr data))
3440 (forward-line 1))))))
3442 (defun gnus-hidden-threads-configuration ()
3443 "Return the current hidden threads configuration."
3446 (goto-char (point-min))
3448 (when (eq (get-char-property (point-at-eol) 'invisible) 'gnus-sum)
3449 (push (save-excursion (forward-line 0) (point)) config))
3453 (defun gnus-restore-hidden-threads-configuration (config)
3454 "Restore hidden threads configuration from CONFIG."
3456 (let (point (inhibit-read-only t))
3457 (while (setq point (pop config))
3459 (gnus-summary-hide-thread)))))
3461 ;; Various summary mode internalish functions.
3463 (defun gnus-mouse-pick-article (e)
3466 (gnus-summary-next-page nil t))
3468 (defun gnus-summary-set-display-table ()
3469 "Change the display table.
3470 Odd characters have a tendency to mess
3471 up nicely formatted displays - we make all possible glyphs
3472 display only a single character."
3474 ;; We start from the standard display table, if any.
3475 (let ((table (or (copy-sequence standard-display-table)
3476 (make-display-table)))
3478 ;; Nix out all the control chars...
3479 (while (>= (setq i (1- i)) 0)
3480 (gnus-put-display-table i [??] table))
3481 ;; ... but not newline and cr, of course. (cr is necessary for the
3482 ;; selective display).
3483 (gnus-put-display-table ?\n nil table)
3484 (gnus-put-display-table ?\r nil table)
3485 ;; We keep TAB as well.
3486 (gnus-put-display-table ?\t nil table)
3487 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3488 ;; Emacs 23 (unicode), that are not set already.
3489 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3492 (while (>= (setq i (1- i)) 127)
3493 ;; Only modify if the entry is nil.
3494 (unless (gnus-get-display-table i table)
3495 (gnus-put-display-table i [??] table))))
3496 (setq buffer-display-table table)))
3498 (defun gnus-summary-set-article-display-arrow (pos)
3499 "Update the overlay arrow to point to line at position POS."
3500 (when gnus-summary-display-arrow
3501 (make-local-variable 'overlay-arrow-position)
3502 (make-local-variable 'overlay-arrow-string)
3506 (unless overlay-arrow-position
3507 (setq overlay-arrow-position (make-marker)))
3508 (setq overlay-arrow-string "=>"
3509 overlay-arrow-position (set-marker overlay-arrow-position
3511 (current-buffer))))))
3513 (defun gnus-summary-setup-buffer (group)
3514 "Initialize summary buffer.
3515 If the setup was successful, non-nil is returned."
3516 (let ((buffer (gnus-summary-buffer-name group))
3517 (dead-name (concat "*Dead Summary "
3518 (gnus-group-decoded-name group) "*")))
3519 ;; If a dead summary buffer exists, we kill it.
3520 (when (gnus-buffer-live-p dead-name)
3521 (gnus-kill-buffer dead-name))
3522 (if (get-buffer buffer)
3525 (setq gnus-summary-buffer (current-buffer))
3526 (not gnus-newsgroup-prepared))
3527 (set-buffer (gnus-get-buffer-create buffer))
3528 (setq gnus-summary-buffer (current-buffer))
3529 (gnus-summary-mode group)
3530 (when (gnus-group-quit-config group)
3531 (set (make-local-variable 'gnus-single-article-buffer) nil))
3532 (make-local-variable 'gnus-article-buffer)
3533 (make-local-variable 'gnus-article-current)
3534 (make-local-variable 'gnus-original-article-buffer)
3535 (setq gnus-newsgroup-name group)
3536 ;; Set any local variables in the group parameters.
3537 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3540 (defun gnus-set-global-variables ()
3541 "Set the global equivalents of the buffer-local variables.
3542 They are set to the latest values they had. These reflect the summary
3543 buffer that was in action when the last article was fetched."
3544 (when (derived-mode-p 'gnus-summary-mode)
3545 (setq gnus-summary-buffer (current-buffer))
3546 (let ((name gnus-newsgroup-name)
3547 (marked gnus-newsgroup-marked)
3548 (spam gnus-newsgroup-spam-marked)
3549 (unread gnus-newsgroup-unreads)
3550 (headers gnus-current-headers)
3551 (data gnus-newsgroup-data)
3552 (summary gnus-summary-buffer)
3553 (article-buffer gnus-article-buffer)
3554 (original gnus-original-article-buffer)
3555 (gac gnus-article-current)
3556 (reffed gnus-reffed-article-number)
3557 (score-file gnus-current-score-file)
3558 (default-charset gnus-newsgroup-charset)
3560 (let ((locals gnus-newsgroup-variables))
3562 (if (consp (car locals))
3563 (push (eval (caar locals)) vlist)
3564 (push (eval (car locals)) vlist))
3565 (setq locals (cdr locals)))
3566 (setq vlist (nreverse vlist)))
3568 (setq gnus-newsgroup-name name
3569 gnus-newsgroup-marked marked
3570 gnus-newsgroup-spam-marked spam
3571 gnus-newsgroup-unreads unread
3572 gnus-current-headers headers
3573 gnus-newsgroup-data data
3574 gnus-article-current gac
3575 gnus-summary-buffer summary
3576 gnus-article-buffer article-buffer
3577 gnus-original-article-buffer original
3578 gnus-reffed-article-number reffed
3579 gnus-current-score-file score-file
3580 gnus-newsgroup-charset default-charset)
3581 (let ((locals gnus-newsgroup-variables))
3583 (if (consp (car locals))
3584 (set (caar locals) (pop vlist))
3585 (set (car locals) (pop vlist)))
3586 (setq locals (cdr locals))))))))
3588 (defun gnus-summary-article-unread-p (article)
3589 "Say whether ARTICLE is unread or not."
3590 (memq article gnus-newsgroup-unreads))
3592 (defun gnus-summary-first-article-p (&optional article)
3593 "Return whether ARTICLE is the first article in the buffer."
3594 (if (not (setq article (or article (gnus-summary-article-number))))
3596 (eq article (caar gnus-newsgroup-data))))
3598 (defun gnus-summary-last-article-p (&optional article)
3599 "Return whether ARTICLE is the last article in the buffer."
3600 (if (not (setq article (or article (gnus-summary-article-number))))
3601 ;; All non-existent numbers are the last article. :-)
3603 (not (cdr (gnus-data-find-list article)))))
3605 (defun gnus-make-thread-indent-array (&optional n)
3607 (progn (setq n 200) nil)
3608 (null gnus-thread-indent-array)
3609 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3610 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3611 gnus-thread-indent-array-level gnus-thread-indent-level)
3613 (aset gnus-thread-indent-array n
3614 (make-string (* n gnus-thread-indent-level) ? ))
3617 (defun gnus-update-summary-mark-positions ()
3618 "Compute where the summary marks are to go."
3620 (when (gnus-buffer-exists-p gnus-summary-buffer)
3621 (set-buffer gnus-summary-buffer))
3622 (let ((spec gnus-summary-line-format-spec)
3625 (gnus-set-work-buffer)
3626 (let ((gnus-tmp-unread ?Z)
3627 (gnus-replied-mark ?Z)
3628 (gnus-score-below-mark ?Z)
3629 (gnus-score-over-mark ?Z)
3630 (gnus-undownloaded-mark ?Z)
3631 (gnus-summary-line-format-spec spec)
3632 (gnus-newsgroup-downloadable '(0))
3633 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3634 case-fold-search ignores)
3635 ;; Here, all marks are bound to Z.
3636 (gnus-summary-insert-line header
3637 0 nil t gnus-tmp-unread t nil "" nil 1)
3638 (goto-char (point-min))
3639 ;; Memorize the positions of the same characters as dummy marks.
3640 (while (re-search-forward "[A-D]" nil t)
3641 (push (point) ignores))
3643 ;; We use A-D as dummy marks in order to know column positions
3644 ;; where marks should be inserted.
3645 (setq gnus-tmp-unread ?A
3646 gnus-replied-mark ?B
3647 gnus-score-below-mark ?C
3648 gnus-score-over-mark ?C
3649 gnus-undownloaded-mark ?D)
3650 (gnus-summary-insert-line header
3651 0 nil t gnus-tmp-unread t nil "" nil 1)
3652 ;; Ignore characters which aren't dummy marks.
3654 (delete-region (goto-char (1- p)) p)
3656 (goto-char (point-min))
3657 (setq pos (list (cons 'unread
3658 (and (search-forward "A" nil t)
3659 (- (point) (point-min) 1)))))
3660 (goto-char (point-min))
3661 (push (cons 'replied (and (search-forward "B" nil t)
3662 (- (point) (point-min) 1)))
3664 (goto-char (point-min))
3665 (push (cons 'score (and (search-forward "C" nil t)
3666 (- (point) (point-min) 1)))
3668 (goto-char (point-min))
3669 (push (cons 'download (and (search-forward "D" nil t)
3670 (- (point) (point-min) 1)))
3672 (setq gnus-summary-mark-positions pos))))
3674 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3675 "Insert a dummy root in the summary buffer."
3677 (gnus-add-text-properties
3678 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3679 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3681 (defun gnus-summary-extract-address-component (from)
3682 (or (car (funcall gnus-extract-address-components from))
3685 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3686 (let ((mail-parse-charset gnus-newsgroup-charset)
3687 (ignored-from-addresses (gnus-ignored-from-addresses))
3688 ;; Is it really necessary to do this next part for each summary line?
3689 ;; Luckily, doesn't seem to slow things down much.
3690 (mail-parse-ignored-charsets
3691 (with-current-buffer gnus-summary-buffer
3692 gnus-newsgroup-ignored-charsets)))
3694 (and ignored-from-addresses
3695 (string-match ignored-from-addresses gnus-tmp-from)
3696 (let ((extra-headers (mail-header-extra header))
3700 ((setq to (cdr (assq 'To extra-headers)))
3701 (concat gnus-summary-to-prefix
3703 (gnus-summary-extract-address-component
3704 (funcall gnus-decode-encoded-address-function to)))))
3707 (cdr (assq 'Newsgroups extra-headers))
3709 (memq 'Newsgroups gnus-extra-headers)
3710 (eq (car (gnus-find-method-for-group
3711 gnus-newsgroup-name)) 'nntp)
3712 (gnus-group-real-name gnus-newsgroup-name))))
3713 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3714 (gnus-string-mark-left-to-right
3716 (gnus-summary-extract-address-component gnus-tmp-from))))))
3718 (defun gnus-summary-insert-line (gnus-tmp-header
3719 gnus-tmp-level gnus-tmp-current
3720 undownloaded gnus-tmp-unread gnus-tmp-replied
3721 gnus-tmp-expirable gnus-tmp-subject-or-nil
3722 &optional gnus-tmp-dummy gnus-tmp-score
3724 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3725 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3727 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3728 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3729 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3730 (gnus-tmp-score-char
3731 (if (or (null gnus-summary-default-score)
3732 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3733 gnus-summary-zcore-fuzz))
3735 (if (< gnus-tmp-score gnus-summary-default-score)
3736 gnus-score-below-mark gnus-score-over-mark)))
3737 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3739 (cond (gnus-tmp-process gnus-process-mark)
3740 ((memq gnus-tmp-current gnus-newsgroup-cached)
3742 (gnus-tmp-replied gnus-replied-mark)
3743 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3744 gnus-forwarded-mark)
3745 ((memq gnus-tmp-current gnus-newsgroup-saved)
3747 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3750 (gnus-tmp-downloaded
3752 gnus-undownloaded-mark)
3753 (gnus-newsgroup-agentized
3754 gnus-downloaded-mark)
3757 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3760 ((string-match "<[^>]+> *$" gnus-tmp-from)
3761 (let ((beg (match-beginning 0)))
3762 (or (and (string-match "^\".+\"" gnus-tmp-from)
3763 (substring gnus-tmp-from 1 (1- (match-end 0))))
3764 (substring gnus-tmp-from 0 beg))))
3765 ((string-match "(.+)" gnus-tmp-from)
3766 (substring gnus-tmp-from
3767 (1+ (match-beginning 0)) (1- (match-end 0))))
3769 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3770 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3771 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3772 (inhibit-read-only t))
3773 (when (string= gnus-tmp-name "")
3774 (setq gnus-tmp-name gnus-tmp-from))
3775 (unless (numberp gnus-tmp-lines)
3776 (setq gnus-tmp-lines -1))
3777 (if (= gnus-tmp-lines -1)
3778 (setq gnus-tmp-lines "?")
3779 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3781 (gnus-put-text-property
3783 (progn (eval gnus-summary-line-format-spec) (point))
3784 'gnus-number gnus-tmp-number)
3785 (error (gnus-message 5 "Error updating the summary line")))
3786 (when (gnus-visual-p 'summary-highlight 'highlight)
3788 (gnus-summary-highlight-line)
3789 (gnus-run-hooks 'gnus-summary-update-hook)
3792 (defun gnus-summary-update-line (&optional dont-update)
3793 "Update summary line after change."
3794 (when (and gnus-summary-default-score
3795 (not gnus-summary-inhibit-highlight))
3796 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3797 (article (gnus-summary-article-number))
3798 (score (gnus-summary-article-score article)))
3800 (if (and gnus-summary-mark-below
3801 (< (gnus-summary-article-score)
3802 gnus-summary-mark-below))
3803 ;; This article has a low score, so we mark it as read.
3804 (when (memq article gnus-newsgroup-unreads)
3805 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3806 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3807 ;; This article was previously marked as read on account
3808 ;; of a low score, but now it has risen, so we mark it as
3810 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3811 (gnus-summary-update-mark
3812 (if (or (null gnus-summary-default-score)
3813 (<= (abs (- score gnus-summary-default-score))
3814 gnus-summary-zcore-fuzz))
3816 (if (< score gnus-summary-default-score)
3817 gnus-score-below-mark gnus-score-over-mark))
3819 ;; Do visual highlighting.
3820 (when (gnus-visual-p 'summary-highlight 'highlight)
3821 (gnus-summary-highlight-line)
3822 (gnus-run-hooks 'gnus-summary-update-hook)))))
3824 (defvar gnus-tmp-new-adopts nil)
3826 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3827 "Return the number of articles in THREAD.
3828 This may be 0 in some cases -- if none of the articles in
3829 the thread are to be displayed."
3831 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3833 ((not (listp thread))
3835 ((and (consp thread) (cdr thread))
3838 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3841 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3844 (when (and level (zerop level) gnus-tmp-new-adopts)
3847 'gnus-summary-number-of-articles-in-thread
3848 gnus-tmp-new-adopts))))
3850 (if (> number 1) gnus-not-empty-thread-mark
3851 gnus-empty-thread-mark)
3854 (defsubst gnus-summary-line-message-size (head)
3855 "Return pretty-printed version of message size.
3856 This function is intended to be used in
3857 `gnus-summary-line-format-alist'."
3858 (let ((c (or (mail-header-chars head) -1)))
3859 (cond ((< c 0) "n/a") ; chars not available
3860 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3861 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3862 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3863 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3865 (defcustom gnus-user-date-format-alist
3866 '(((gnus-seconds-today) . "Today, %H:%M")
3867 ((+ 86400 (gnus-seconds-today)) . "Yesterday, %H:%M")
3868 (604800 . "%A %H:%M") ; That's one week
3869 ((gnus-seconds-month) . "%A %d")
3870 ((gnus-seconds-year) . "%B %d")
3871 (t . "%b %d %Y")) ; This one is used when no other
3873 "Specifies date format depending on age of article.
3874 This is an alist of items (AGE . FORMAT). AGE can be a number (of
3875 seconds) or a Lisp expression evaluating to a number. When the age of
3876 the article is less than this number, then use `format-time-string'
3877 with the corresponding FORMAT for displaying the date of the article.
3878 If AGE is not a number or a Lisp expression evaluating to a
3879 non-number, then the corresponding FORMAT is used as a default value.
3881 Note that the list is processed from the beginning, so it should be
3882 sorted by ascending AGE. Also note that items following the first
3883 non-number AGE will be ignored.
3885 You can use the functions `gnus-seconds-today', `gnus-seconds-month'
3886 and `gnus-seconds-year' in the AGE spec. They return the number of
3887 seconds passed since the start of today, of this month, of this year,
3890 :group 'gnus-summary-format
3891 :type '(alist :key-type sexp :value-type string))
3893 (defun gnus-user-date (messy-date)
3894 "Format the messy-date according to `gnus-user-date-format-alist'.
3895 Returns \" ? \" if there's bad input or if another error occurs.
3896 Input should look like this: \"Sun, 14 Oct 2001 13:34:39 +0200\"."
3898 (let* ((messy-date (gnus-float-time (gnus-date-get-time messy-date)))
3899 (now (gnus-float-time))
3900 ;;If we don't find something suitable we'll use this one
3901 (my-format "%b %d '%y"))
3902 (let* ((difference (- now messy-date))
3903 (templist gnus-user-date-format-alist)
3904 (top (eval (caar templist))))
3905 (while (if (numberp top) (< top difference) (not top))
3907 (setq templist (cdr templist))
3908 (setq top (eval (caar templist)))))
3909 (if (stringp (cdr (car templist)))
3910 (setq my-format (cdr (car templist)))))
3911 (format-time-string (eval my-format) (seconds-to-time messy-date)))
3914 (defun gnus-summary-set-local-parameters (group)
3915 "Go through the local params of GROUP and set all variable specs in that list."
3916 (let ((vars '(quit-config active))) ; Ignore things that aren't
3918 (dolist (elem (gnus-group-find-parameter group))
3919 (and (consp elem) ; Has to be a cons.
3920 (consp (cdr elem)) ; The cdr has to be a list.
3921 (symbolp (car elem)) ; Has to be a symbol in there.
3922 (not (memq (car elem) vars))
3924 (push (car elem) vars)
3925 ;; Variables like `gnus-show-threads' that are globally
3926 ;; bound, if used as group parameters, need to get to be
3927 ;; buffer-local, whereas just parameters like `gcc-self',
3928 ;; `timestamp', etc. should not be bound as variables.
3929 (if (boundp (car elem))
3930 (set (make-local-variable (car elem)) (eval (nth 1 elem)))
3931 (eval (nth 1 elem))))))))
3933 (defun gnus-summary-read-group (group &optional show-all no-article
3934 kill-buffer no-display backward
3936 "Start reading news in newsgroup GROUP.
3937 If SHOW-ALL is non-nil, already read articles are also listed.
3938 If NO-ARTICLE is non-nil, no article is selected initially.
3939 If NO-DISPLAY, don't generate the summary buffer contents.
3940 If KILL-BUFFER, it should be a buffer that's killed once the new
3941 summary buffer has been generated.
3942 If BACKWARD, move point to the previous group in the group buffer
3943 If SELECT-ARTICLES, only select those articles from GROUP."
3947 (let ((gnus-auto-select-next nil))
3948 (or (gnus-summary-read-group-1
3949 group show-all no-article
3950 kill-buffer no-display
3953 select-articles nil)))))
3954 (eq gnus-auto-select-next 'quietly))
3955 (set-buffer gnus-group-buffer)
3956 ;; The entry function called above goes to the next
3957 ;; group automatically, so we go two groups back
3958 ;; if we are searching for the previous group.
3960 (gnus-group-prev-unread-group 2))
3961 (if (not (equal group (gnus-group-group-name)))
3962 (setq group (gnus-group-group-name))
3966 (defun gnus-summary-read-group-1 (group show-all no-article
3967 kill-buffer no-display
3968 &optional select-articles)
3969 ;; Killed foreign groups can't be entered.
3970 ;; (when (and (not (gnus-group-native-p group))
3971 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3972 ;; (error "Dead non-native groups can't be entered"))
3973 (gnus-message 7 "Retrieving newsgroup: %s..."
3974 (gnus-group-decoded-name group))
3975 (let* ((new-group (gnus-summary-setup-buffer group))
3976 (quit-config (gnus-group-quit-config group))
3977 (did-select (and new-group (gnus-select-newsgroup
3978 group show-all select-articles))))
3980 ;; This summary buffer exists already, so we just select it.
3982 (gnus-set-global-variables)
3984 (gnus-kill-or-deaden-summary kill-buffer))
3985 (gnus-configure-windows 'summary 'force)
3986 (gnus-set-mode-line 'summary)
3987 (gnus-summary-position-point)
3990 ;; We couldn't select this group.
3992 (when (and (derived-mode-p 'gnus-summary-mode)
3993 (not (equal (current-buffer) kill-buffer)))
3994 (kill-buffer (current-buffer))
3995 (if (not quit-config)
3997 ;; Update the info -- marks might need to be removed,
3999 (gnus-summary-update-info)
4000 (set-buffer gnus-group-buffer)
4001 (gnus-group-jump-to-group group)
4002 (gnus-group-next-unread-group 1))
4003 (gnus-handle-ephemeral-exit quit-config)))
4004 (if (null (gnus-list-of-unread-articles group))
4005 (gnus-message 3 "Group %s contains no messages" group)
4006 (gnus-message 3 "Can't select group"))
4008 ;; The user did a `C-g' while prompting for number of articles,
4009 ;; so we exit this group.
4010 ((eq did-select 'quit)
4011 (and (derived-mode-p 'gnus-summary-mode)
4012 (not (equal (current-buffer) kill-buffer))
4013 (kill-buffer (current-buffer)))
4015 (gnus-kill-or-deaden-summary kill-buffer))
4016 (if (not quit-config)
4018 (set-buffer gnus-group-buffer)
4019 (gnus-group-jump-to-group group)
4020 (gnus-configure-windows 'group 'force))
4021 (gnus-handle-ephemeral-exit quit-config))
4022 ;; Finally signal the quit.
4024 ;; The group was successfully selected.
4026 (gnus-set-global-variables)
4027 ;; Save the active value in effect when the group was entered.
4028 (setq gnus-newsgroup-active
4030 (gnus-active gnus-newsgroup-name)))
4031 (setq gnus-newsgroup-highest (cdr gnus-newsgroup-active))
4032 ;; You can change the summary buffer in some way with this hook.
4033 (gnus-run-hooks 'gnus-select-group-hook)
4034 (when (memq 'summary (gnus-update-format-specifications
4035 nil 'summary 'summary-mode 'summary-dummy))
4036 ;; The format specification for the summary line was updated,
4037 ;; so we need to update the mark positions as well.
4038 (gnus-update-summary-mark-positions))
4039 ;; Do score processing.
4040 (when gnus-use-scoring
4041 (gnus-possibly-score-headers))
4042 ;; Check whether to fill in the gaps in the threads.
4043 (when gnus-build-sparse-threads
4044 (gnus-build-sparse-threads))
4045 ;; Find the initial limit.
4047 (let ((gnus-newsgroup-dormant nil))
4048 (gnus-summary-initial-limit show-all))
4049 (gnus-summary-initial-limit show-all))
4050 ;; Generate the summary buffer.
4052 (gnus-summary-prepare))
4053 (when gnus-use-trees
4055 (setq gnus-summary-highlight-line-function
4056 'gnus-tree-highlight-article))
4057 ;; If the summary buffer is empty, but there are some low-scored
4058 ;; articles or some excluded dormants, we include these in the
4060 (when (and (zerop (buffer-size))
4062 (cond (gnus-newsgroup-dormant
4063 (gnus-summary-limit-include-dormant))
4064 ((and gnus-newsgroup-scored show-all)
4065 (gnus-summary-limit-include-expunged t))))
4066 ;; Function `gnus-apply-kill-file' must be called in this hook.
4067 (gnus-run-hooks 'gnus-apply-kill-hook)
4068 (if (and (zerop (buffer-size))
4071 ;; This newsgroup is empty.
4072 (gnus-summary-catchup-and-exit nil t)
4073 (gnus-message 6 "No unread news")
4075 (gnus-kill-or-deaden-summary kill-buffer))
4076 ;; Return nil from this function.
4078 ;; Hide conversation thread subtrees. We cannot do this in
4079 ;; gnus-summary-prepare-hook since kill processing may not
4080 ;; work with hidden articles.
4081 (gnus-summary-maybe-hide-threads)
4082 (gnus-configure-windows 'summary)
4084 (gnus-kill-or-deaden-summary kill-buffer))
4085 (gnus-summary-auto-select-subject)
4086 ;; Show first unread article if requested.
4087 (if (and (not no-article)
4089 gnus-newsgroup-unreads
4090 gnus-auto-select-first)
4092 (let ((art (gnus-summary-article-number)))
4095 (not (memq art gnus-newsgroup-undownloaded))
4096 (not (memq art gnus-newsgroup-downloadable)))
4097 (gnus-summary-goto-article art))))
4098 ;; Don't select any articles.
4099 (gnus-summary-position-point)
4100 (gnus-configure-windows 'summary 'force)
4101 (gnus-set-mode-line 'summary))
4102 (when (and gnus-auto-center-group
4103 (get-buffer-window gnus-group-buffer t))
4104 ;; Gotta use windows, because recenter does weird stuff if
4105 ;; the current buffer ain't the displayed window.
4106 (let ((owin (selected-window)))
4107 (select-window (get-buffer-window gnus-group-buffer t))
4108 (when (gnus-group-goto-group group)
4110 (select-window owin)))
4111 ;; Mark this buffer as "prepared".
4112 (setq gnus-newsgroup-prepared t)
4113 (gnus-run-hooks 'gnus-summary-prepared-hook)
4114 (unless (gnus-ephemeral-group-p group)
4115 (gnus-group-update-group group nil t))
4118 (defun gnus-summary-auto-select-subject ()
4119 "Select the subject line on initial group entry."
4120 (goto-char (point-min))
4122 ((eq gnus-auto-select-subject 'best)
4123 (gnus-summary-best-unread-subject))
4124 ((eq gnus-auto-select-subject 'unread)
4125 (gnus-summary-first-unread-subject))
4126 ((eq gnus-auto-select-subject 'unseen)
4127 (gnus-summary-first-unseen-subject))
4128 ((eq gnus-auto-select-subject 'unseen-or-unread)
4129 (gnus-summary-first-unseen-or-unread-subject))
4130 ((eq gnus-auto-select-subject 'first)
4133 ((functionp gnus-auto-select-subject)
4134 (funcall gnus-auto-select-subject))))
4136 (defun gnus-summary-prepare ()
4137 "Generate the summary buffer."
4139 (let ((inhibit-read-only t))
4141 (setq gnus-newsgroup-data nil
4142 gnus-newsgroup-data-reverse nil)
4143 (gnus-run-hooks 'gnus-summary-generate-hook)
4144 ;; Generate the buffer, either with threads or without.
4145 (when gnus-newsgroup-headers
4146 (gnus-summary-prepare-threads
4147 (if gnus-show-threads
4148 (gnus-sort-gathered-threads
4149 (funcall gnus-summary-thread-gathering-function
4151 (gnus-cut-threads (gnus-make-threads)))))
4152 ;; Unthreaded display.
4153 (gnus-sort-articles gnus-newsgroup-headers))))
4154 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
4155 ;; Call hooks for modifying summary buffer.
4156 (goto-char (point-min))
4157 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4159 (defsubst gnus-general-simplify-subject (subject)
4160 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4163 ;; Truncate the subject.
4164 (gnus-simplify-subject-functions
4165 (gnus-map-function gnus-simplify-subject-functions subject))
4166 ((numberp gnus-summary-gather-subject-limit)
4167 (setq subject (gnus-simplify-subject-re subject))
4168 (if (> (length subject) gnus-summary-gather-subject-limit)
4169 (substring subject 0 gnus-summary-gather-subject-limit)
4171 ;; Fuzzily simplify it.
4172 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4173 (gnus-simplify-subject-fuzzy subject))
4174 ;; Just remove the leading "Re:".
4176 (gnus-simplify-subject-re subject))))
4178 (if (and gnus-summary-gather-exclude-subject
4179 (string-match gnus-summary-gather-exclude-subject subject))
4180 nil ; This article shouldn't be gathered
4183 (defun gnus-summary-simplify-subject-query ()
4184 "Query where the respool algorithm would put this article."
4186 (gnus-summary-select-article)
4187 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4189 (defun gnus-gather-threads-by-subject (threads)
4190 "Gather threads by looking at Subject headers."
4191 (if (not gnus-summary-make-false-root)
4193 (let ((hashtb (gnus-make-hashtable 1024))
4196 subject hthread whole-subject)
4198 (setq subject (gnus-general-simplify-subject
4199 (setq whole-subject (mail-header-subject
4202 (if (setq hthread (gnus-gethash subject hashtb))
4204 ;; We enter a dummy root into the thread, if we
4205 ;; haven't done that already.
4206 (unless (stringp (caar hthread))
4207 (setcar hthread (list whole-subject (car hthread))))
4208 ;; We add this new gathered thread to this gathered
4210 (setcdr (car hthread)
4211 (nconc (cdar hthread) (list (car threads))))
4212 ;; Remove it from the list of threads.
4213 (setcdr prev (cdr threads))
4214 (setq threads prev))
4215 ;; Enter this thread into the hash table.
4216 (gnus-sethash subject
4217 (if gnus-summary-make-false-root-always
4219 ;; If you want a dummy root above all
4221 (setcar threads (list whole-subject
4227 (setq threads (cdr threads)))
4230 (defun gnus-gather-threads-by-references (threads)
4231 "Gather threads by looking at References headers."
4232 (let ((idhashtb (gnus-make-hashtable 1024))
4233 (thhashtb (gnus-make-hashtable 1024))
4236 ids references id gthread gid entered ref)
4238 (when (setq references (mail-header-references (caar threads)))
4239 (setq id (mail-header-id (caar threads))
4240 ids (inline (gnus-split-references references))
4242 (while (setq ref (pop ids))
4243 (setq ids (delete ref ids))
4244 (if (not (setq gid (gnus-gethash ref idhashtb)))
4246 (gnus-sethash ref id idhashtb)
4247 (gnus-sethash id threads thhashtb))
4248 (setq gthread (gnus-gethash gid thhashtb))
4250 ;; We enter a dummy root into the thread, if we
4251 ;; haven't done that already.
4252 (unless (stringp (caar gthread))
4253 (setcar gthread (list (mail-header-subject (caar gthread))
4255 ;; We add this new gathered thread to this gathered
4257 (setcdr (car gthread)
4258 (nconc (cdar gthread) (list (car threads)))))
4259 ;; Add it into the thread hash table.
4260 (gnus-sethash id gthread thhashtb)
4262 ;; Remove it from the list of threads.
4263 (setcdr prev (cdr threads))
4264 (setq threads prev))))
4266 (setq threads (cdr threads)))
4269 (defun gnus-sort-gathered-threads (threads)
4270 "Sort subthreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4271 (let ((result threads))
4273 (when (stringp (caar threads))
4274 (setcdr (car threads)
4275 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4276 (setq threads (cdr threads)))
4279 (defun gnus-thread-loop-p (root thread)
4280 "Say whether ROOT is in THREAD."
4281 (let ((stack (list thread))
4284 (while (setq thread (pop stack))
4285 (setq th (cdr thread))
4287 (not (eq (caar th) root)))
4290 ;; We have found a loop.
4292 (setcdr thread (delq (car th) (cdr thread)))
4293 (if (boundp (setq ref-dep (intern "none"
4294 gnus-newsgroup-dependencies)))
4295 (setcdr (symbol-value ref-dep)
4296 (nconc (cdr (symbol-value ref-dep))
4298 (set ref-dep (list nil (car th))))
4301 ;; Push all the subthreads onto the stack.
4302 (push (cdr thread) stack)))
4305 (defun gnus-make-threads ()
4306 "Go through the dependency hashtb and find the roots. Return all threads."
4308 (while (catch 'infloop
4311 ;; Deal with self-referencing References loops.
4312 (when (and (car (symbol-value refs))
4319 (car (symbol-value refs)) thread))
4320 (cdr (symbol-value refs)))))))
4323 (unless (car (symbol-value refs))
4324 ;; These threads do not refer back to any other
4325 ;; articles, so they're roots.
4326 (setq threads (append (cdr (symbol-value refs)) threads))))
4327 gnus-newsgroup-dependencies)))
4330 ;; Build the thread tree.
4331 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4332 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4334 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4335 if it was already present.
4337 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4338 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4339 Message-IDs will be renamed to a unique Message-ID before being
4342 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4343 (let* ((id (mail-header-id header))
4344 (id-dep (and id (intern id dependencies)))
4345 parent-id ref ref-dep ref-header replaced)
4346 ;; Enter this `header' in the `dependencies' table.
4350 ;; The first two cases do the normal part: enter a new `header'
4351 ;; in the `dependencies' table.
4352 ((not (boundp id-dep))
4353 (set id-dep (list header)))
4354 ((null (car (symbol-value id-dep)))
4355 (setcar (symbol-value id-dep) header))
4357 ;; From here the `header' was already present in the
4358 ;; `dependencies' table.
4360 ;; Overrides an existing entry;
4361 ;; just set the header part of the entry.
4362 (setcar (symbol-value id-dep) header)
4365 ;; Renames the existing `header' to a unique Message-ID.
4366 ((not gnus-summary-ignore-duplicates)
4367 ;; An article with this Message-ID has already been seen.
4368 ;; We rename the Message-ID.
4369 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4371 (mail-header-set-id header id))
4373 ;; The last case ignores an existing entry, except it adds any
4374 ;; additional Xrefs (in case the two articles came from different
4376 ;; Also sets `header' to `nil' meaning that the `dependencies'
4377 ;; table was *not* modified.
4379 (mail-header-set-xref
4380 (car (symbol-value id-dep))
4381 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4383 (or (mail-header-xref header) "")))
4386 (when (and header (not replaced))
4387 ;; First check that we are not creating a References loop.
4388 (setq parent-id (gnus-parent-id (mail-header-references header)))
4389 (setq ref parent-id)
4391 (setq ref-dep (intern-soft ref dependencies))
4393 (setq ref-header (car (symbol-value ref-dep))))
4394 (if (string= id ref)
4395 ;; Yuk! This is a reference loop. Make the article be a
4398 (mail-header-set-references (car (symbol-value id-dep)) "none")
4400 (setq parent-id nil))
4401 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4402 (setq ref-dep (intern (or parent-id "none") dependencies))
4403 (if (boundp ref-dep)
4404 (setcdr (symbol-value ref-dep)
4405 (nconc (cdr (symbol-value ref-dep))
4406 (list (symbol-value id-dep))))
4407 (set ref-dep (list nil (symbol-value id-dep)))))
4410 (defun gnus-extract-message-id-from-in-reply-to (string)
4411 (if (string-match "<[^>]+>" string)
4412 (substring string (match-beginning 0) (match-end 0))
4415 (defun gnus-build-sparse-threads ()
4416 (let ((headers gnus-newsgroup-headers)
4417 (mail-parse-charset gnus-newsgroup-charset)
4418 (gnus-summary-ignore-duplicates t)
4419 header references generation relations
4420 subject child end new-child date)
4421 ;; First we create an alist of generations/relations, where
4422 ;; generations is how much we trust the relation, and the relation
4424 (gnus-message 7 "Making sparse threads...")
4426 (nnheader-set-temp-buffer " *gnus sparse threads*")
4427 (while (setq header (pop headers))
4428 (when (and (setq references (mail-header-references header))
4429 (not (string= references "")))
4431 (setq child (mail-header-id header)
4432 subject (mail-header-subject header)
4433 date (mail-header-date header)
4435 (while (search-backward ">" nil t)
4436 (setq end (1+ (point)))
4437 (when (search-backward "<" nil t)
4438 (setq new-child (buffer-substring (point) end))
4439 (push (list (incf generation)
4440 child (setq child new-child)
4444 (push (list (1+ generation) child nil subject) relations))
4446 (kill-buffer (current-buffer)))
4447 ;; Sort over trustworthiness.
4448 (dolist (relation (sort relations 'car-less-than-car))
4449 (when (gnus-dependencies-add-header
4450 (make-full-mail-header
4451 gnus-reffed-article-number
4452 (nth 3 relation) "" (or (nth 4 relation) "")
4454 (or (nth 2 relation) "") 0 0 "")
4455 gnus-newsgroup-dependencies nil)
4456 (push gnus-reffed-article-number gnus-newsgroup-limit)
4457 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4458 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4459 gnus-newsgroup-reads)
4460 (decf gnus-reffed-article-number)))
4461 (gnus-message 7 "Making sparse threads...done")))
4463 (defun gnus-build-old-threads ()
4464 ;; Look at all the articles that refer back to old articles, and
4465 ;; fetch the headers for the articles that aren't there. This will
4466 ;; build complete threads - if the roots haven't been expired by the
4468 (let ((mail-parse-charset gnus-newsgroup-charset)
4472 (when (not (car (symbol-value refs)))
4473 (setq heads (cdr (symbol-value refs)))
4475 (if (memq (mail-header-number (caar heads))
4476 gnus-newsgroup-dormant)
4477 (setq heads (cdr heads))
4478 (setq id (symbol-name refs))
4479 (while (and (setq id (gnus-build-get-header id))
4480 (not (car (gnus-id-to-thread id)))))
4481 (setq heads nil)))))
4482 gnus-newsgroup-dependencies)))
4484 (defsubst gnus-remove-odd-characters (string)
4485 "Translate STRING into something that doesn't contain weird characters."
4486 (mm-subst-char-in-string
4488 (mm-subst-char-in-string ?\n ?\- string t) t))
4490 ;; This function has to be called with point after the article number
4491 ;; on the beginning of the line.
4492 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4493 (let ((eol (point-at-eol))
4494 (buffer (current-buffer))
4495 header references in-reply-to)
4497 ;; overview: [num subject from date id refs chars lines misc]
4500 (narrow-to-region (point) eol)
4505 (make-full-mail-header
4507 (condition-case () ; subject
4508 (gnus-remove-odd-characters
4509 (funcall gnus-decode-encoded-word-function
4510 (setq x (nnheader-nov-field))))
4512 (condition-case () ; from
4513 (gnus-remove-odd-characters
4514 (funcall gnus-decode-encoded-address-function
4515 (setq x (nnheader-nov-field))))
4517 (nnheader-nov-field) ; date
4518 (nnheader-nov-read-message-id number) ; id
4519 (setq references (nnheader-nov-field)) ; refs
4520 (nnheader-nov-read-integer) ; chars
4521 (nnheader-nov-read-integer) ; lines
4523 (if (looking-at "Xref: ")
4524 (goto-char (match-end 0)))
4525 (nnheader-nov-field)) ; Xref
4526 (nnheader-nov-parse-extra)))) ; extra
4530 (when (and (string= references "")
4531 (setq in-reply-to (mail-header-extra header))
4532 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4533 (mail-header-set-references
4534 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4536 (when gnus-alter-header-function
4537 (funcall gnus-alter-header-function header))
4538 (gnus-dependencies-add-header header dependencies force-new)))
4540 (defun gnus-build-get-header (id)
4541 "Look through the buffer of NOV lines and find the header to ID.
4542 Enter this line into the dependencies hash table, and return
4543 the id of the parent article (if any)."
4544 (let ((deps gnus-newsgroup-dependencies)
4547 (with-current-buffer nntp-server-buffer
4548 (let ((case-fold-search nil))
4549 (goto-char (point-min))
4550 (while (and (not found)
4551 (search-forward id nil t))
4553 (setq found (looking-at
4554 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4555 (regexp-quote id))))
4556 (or found (beginning-of-line 2)))
4560 (setq header (gnus-nov-parse-line
4561 (read (current-buffer)) deps))
4562 (gnus-parent-id (mail-header-references header))))))
4564 (let ((number (mail-header-number header)))
4565 (push number gnus-newsgroup-limit)
4566 (push header gnus-newsgroup-headers)
4567 (if (memq number gnus-newsgroup-unselected)
4569 (setq gnus-newsgroup-unreads
4570 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4572 (setq gnus-newsgroup-unselected
4573 (delq number gnus-newsgroup-unselected)))
4574 (push number gnus-newsgroup-ancient)))))))
4576 (defun gnus-build-all-threads ()
4577 "Read all the headers."
4578 (let ((gnus-summary-ignore-duplicates t)
4579 (mail-parse-charset gnus-newsgroup-charset)
4580 (dependencies gnus-newsgroup-dependencies)
4582 (with-current-buffer nntp-server-buffer
4583 (let ((case-fold-search nil))
4584 (goto-char (point-min))
4587 (setq article (read (current-buffer))
4588 header (gnus-nov-parse-line article dependencies t)))
4590 (with-current-buffer gnus-summary-buffer
4591 (push header gnus-newsgroup-headers)
4592 (if (memq (setq article (mail-header-number header))
4593 gnus-newsgroup-unselected)
4595 (setq gnus-newsgroup-unreads
4596 (gnus-add-to-sorted-list
4597 gnus-newsgroup-unreads article))
4598 (setq gnus-newsgroup-unselected
4599 (delq article gnus-newsgroup-unselected)))
4600 (push article gnus-newsgroup-ancient)))
4601 (forward-line 1)))))))
4603 (defun gnus-summary-update-article-line (article header)
4604 "Update the line for ARTICLE using HEADER."
4605 (let* ((id (mail-header-id header))
4606 (thread (gnus-id-to-thread id)))
4608 (error "Article in no thread"))
4609 ;; Update the thread.
4610 (setcar thread header)
4611 (gnus-summary-goto-subject article)
4612 (let* ((datal (gnus-data-find-list article))
4614 (inhibit-read-only t)
4615 (level (gnus-summary-thread-level)))
4617 (let ((inserted (- (point)
4619 (gnus-summary-insert-line
4621 (memq article gnus-newsgroup-undownloaded)
4622 (gnus-article-mark article)
4623 (memq article gnus-newsgroup-replied)
4624 (memq article gnus-newsgroup-expirable)
4625 ;; Only insert the Subject string when it's different
4626 ;; from the previous Subject string.
4631 (mail-header-subject
4634 (gnus-data-find-list
4636 (gnus-data-list t)))))
4637 ;; Error on the side of excessive subjects.
4639 (mail-header-subject header)))
4641 (mail-header-subject header))
4642 nil (cdr (assq article gnus-newsgroup-scored))
4643 (memq article gnus-newsgroup-processable))
4646 (gnus-data-update-list
4648 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4650 (defun gnus-summary-update-article (article &optional iheader)
4651 "Update ARTICLE in the summary buffer."
4652 (set-buffer gnus-summary-buffer)
4653 (let* ((header (gnus-summary-article-header article))
4654 (id (mail-header-id header))
4655 (data (gnus-data-find article))
4656 (thread (gnus-id-to-thread id))
4657 (references (mail-header-references header))
4661 (when (and references
4662 (not (equal "" references)))
4665 (inhibit-read-only t)
4671 (delq thread parent)))
4672 (if (gnus-summary-insert-subject id header)
4673 ;; Set the (possibly) new article number in the data structure.
4674 (gnus-data-set-number data (gnus-id-to-article id))
4678 (defun gnus-rebuild-thread (id &optional line)
4679 "Rebuild the thread containing ID.
4680 If LINE, insert the rebuilt thread starting on line LINE."
4681 (let ((inhibit-read-only t)
4682 old-pos current thread data)
4683 (if (not gnus-show-threads)
4684 (setq thread (list (car (gnus-id-to-thread id))))
4685 ;; Get the thread this article is part of.
4686 (setq thread (gnus-remove-thread id)))
4687 (setq old-pos (point-at-bol))
4688 (setq current (save-excursion
4689 (and (re-search-backward "[\r\n]" nil t)
4690 (gnus-summary-article-number))))
4691 ;; If this is a gathered thread, we have to go some re-gathering.
4692 (when (stringp (car thread))
4693 (let ((subject (car thread))
4695 (setq thread (cdr thread))
4697 (unless (memq (setq thr (gnus-id-to-thread
4699 (mail-header-id (caar thread)))))
4702 (setq thread (cdr thread)))
4703 ;; We now have all (unique) roots.
4704 (if (= (length roots) 1)
4705 ;; All the loose roots are now one solid root.
4706 (setq thread (car roots))
4707 (setq thread (cons subject (gnus-sort-threads roots))))))
4709 ;; We then insert this thread into the summary buffer.
4711 (goto-char (point-min))
4712 (forward-line (1- line)))
4713 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4714 (if gnus-show-threads
4715 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4716 (gnus-summary-prepare-unthreaded thread))
4717 (setq data (nreverse gnus-newsgroup-data))
4718 (setq threads gnus-newsgroup-threads))
4719 ;; We splice the new data into the data structure.
4720 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4721 ;;!!! then we want to insert at the beginning of the buffer.
4722 ;;!!! That happens to be true with Gnus now, but that may
4723 ;;!!! change in the future. Perhaps.
4724 (gnus-data-enter-list
4725 (if line nil current) data (- (point) old-pos))
4726 (setq gnus-newsgroup-threads
4727 (nconc threads gnus-newsgroup-threads))
4728 (gnus-data-compute-positions))))
4730 (defun gnus-number-to-header (number)
4731 "Return the header for article NUMBER."
4732 (let ((headers gnus-newsgroup-headers))
4734 (not (= number (mail-header-number (car headers)))))
4739 (defun gnus-parent-headers (in-headers &optional generation)
4740 "Return the headers of the GENERATIONth parent of HEADERS."
4742 (setq generation 1))
4744 (headers in-headers)
4747 (not (zerop generation))
4748 (setq references (mail-header-references headers)))
4749 (setq headers (if (and references
4750 (setq parent (gnus-parent-id references)))
4751 (car (gnus-id-to-thread parent))
4754 (and (not (eq headers in-headers))
4757 (defun gnus-id-to-thread (id)
4758 "Return the (sub-)thread where ID appears."
4759 (gnus-gethash id gnus-newsgroup-dependencies))
4761 (defun gnus-id-to-article (id)
4762 "Return the article number of ID."
4763 (let ((thread (gnus-id-to-thread id)))
4766 (mail-header-number (car thread)))))
4768 (defun gnus-id-to-header (id)
4769 "Return the article headers of ID."
4770 (car (gnus-id-to-thread id)))
4772 (defun gnus-article-displayed-root-p (article)
4773 "Say whether ARTICLE is a root(ish) article."
4774 (let ((level (gnus-summary-thread-level article))
4775 (refs (mail-header-references (gnus-summary-article-header article)))
4781 ((null (gnus-parent-id refs)) t)
4783 (null (setq particle (gnus-id-to-article
4784 (gnus-parent-id refs))))
4785 (null (gnus-summary-thread-level particle)))))))
4787 (defun gnus-root-id (id)
4788 "Return the id of the root of the thread where ID appears."
4790 (while (and id (setq prev (car (gnus-id-to-thread id))))
4792 id (gnus-parent-id (mail-header-references prev))))
4795 (defun gnus-articles-in-thread (thread)
4796 "Return the list of articles in THREAD."
4797 (cons (mail-header-number (car thread))
4798 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4800 (defun gnus-remove-thread (id &optional dont-remove)
4801 "Remove the thread that has ID in it."
4802 (let (headers thread last-id)
4803 ;; First go up in this thread until we find the root.
4804 (setq last-id (gnus-root-id id)
4805 headers (message-flatten-list (gnus-id-to-thread last-id)))
4806 ;; We have now found the real root of this thread. It might have
4807 ;; been gathered into some loose thread, so we have to search
4808 ;; through the threads to find the thread we wanted.
4809 (let ((threads gnus-newsgroup-threads)
4812 (setq sub (car threads))
4813 (if (stringp (car sub))
4814 ;; This is a gathered thread, so we look at the roots
4815 ;; below it to find whether this article is in this
4818 (setq sub (cdr sub))
4820 (when (member (caar sub) headers)
4821 (setq thread (car threads)
4824 (setq sub (cdr sub))))
4825 ;; It's an ordinary thread, so we check it.
4826 (when (eq (car sub) (car headers))
4829 (setq threads (cdr threads)))
4830 ;; If this article is in no thread, then it's a root.
4833 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4834 (setq thread (gnus-id-to-thread last-id)))
4837 thread ; We return this thread.
4839 (if (stringp (car thread))
4841 ;; If we use dummy roots, then we have to remove the
4842 ;; dummy root as well.
4843 (when (eq gnus-summary-make-false-root 'dummy)
4844 ;; We go to the dummy root by going to
4845 ;; the first sub-"thread", and then one line up.
4846 (gnus-summary-goto-article
4847 (mail-header-number (caadr thread)))
4850 (gnus-data-compute-positions))
4851 (setq thread (cdr thread))
4853 (gnus-remove-thread-1 (car thread))
4854 (setq thread (cdr thread))))
4855 (gnus-remove-thread-1 thread))))))))
4857 (defun gnus-remove-thread-1 (thread)
4858 "Remove the thread THREAD recursively."
4859 (let ((number (mail-header-number (pop thread)))
4861 (setq thread (reverse thread))
4863 (gnus-remove-thread-1 (pop thread)))
4864 (when (setq d (gnus-data-find number))
4865 (goto-char (gnus-data-pos d))
4866 (gnus-summary-show-thread)
4872 (gnus-delete-line)))))))
4874 (defun gnus-sort-threads-recursive (threads func)
4875 ;; Responsible for sorting the root articles of threads.
4876 (let ((subthread-sort-func (if (eq gnus-subthread-sort-functions
4877 'gnus-thread-sort-functions)
4879 (gnus-make-sort-function
4880 gnus-subthread-sort-functions))))
4881 (sort (mapcar (lambda (thread)
4884 (gnus-sort-subthreads-recursive
4885 (cdr thread) subthread-sort-func))))
4888 (defun gnus-sort-subthreads-recursive (threads func)
4889 ;; Responsible for sorting subthreads.
4890 (sort (mapcar (lambda (thread)
4893 (gnus-sort-subthreads-recursive (cdr thread) func))))
4896 (defun gnus-sort-threads-loop (threads func)
4897 (let* ((superthread (cons nil threads))
4898 (stack (list (cons superthread threads)))
4899 remaining-threads thread)
4901 (setq remaining-threads (cdr (car stack)))
4902 (if remaining-threads
4903 (progn (setq thread (car remaining-threads))
4904 (setcdr (car stack) (cdr remaining-threads))
4906 (push (cons thread (cdr thread)) stack)))
4907 (setq thread (caar stack))
4908 (setcdr thread (sort (cdr thread) func))
4912 (defun gnus-sort-threads (threads)
4914 (if (not gnus-thread-sort-functions)
4916 (gnus-message 8 "Sorting threads...")
4919 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000))
4920 (sort-func (gnus-make-sort-function gnus-thread-sort-functions)))
4921 (gnus-sort-threads-recursive threads sort-func))
4922 ;; Even after binding max-lisp-eval-depth, the recursive
4923 ;; sorter might fail for very long threads. In that case,
4924 ;; try using a (less well-tested) non-recursive sorter.
4925 (error (gnus-message 9 "Sorting threads with loop...")
4926 (gnus-sort-threads-loop
4927 threads (gnus-make-sort-function
4928 gnus-thread-sort-functions))))
4929 (gnus-message 8 "Sorting threads...done"))))
4931 (defun gnus-sort-articles (articles)
4933 (when gnus-article-sort-functions
4934 (gnus-message 7 "Sorting articles...")
4936 (setq gnus-newsgroup-headers
4937 (sort articles (gnus-make-sort-function
4938 gnus-article-sort-functions)))
4939 (gnus-message 7 "Sorting articles...done"))))
4941 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4942 (defmacro gnus-thread-header (thread)
4943 "Return header of first article in THREAD.
4944 Note that THREAD must never, ever be anything else than a variable -
4945 using some other form will lead to serious barfage."
4946 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4947 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4948 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4951 (defsubst gnus-article-sort-by-number (h1 h2)
4952 "Sort articles by article number."
4953 (< (mail-header-number h1)
4954 (mail-header-number h2)))
4956 (defun gnus-thread-sort-by-number (h1 h2)
4957 "Sort threads by root article number."
4958 (gnus-article-sort-by-number
4959 (gnus-thread-header h1) (gnus-thread-header h2)))
4961 (defsubst gnus-article-sort-by-random (h1 h2)
4962 "Sort articles randomly."
4965 (defun gnus-thread-sort-by-random (h1 h2)
4966 "Sort threads randomly."
4967 (gnus-article-sort-by-random
4968 (gnus-thread-header h1) (gnus-thread-header h2)))
4970 (defsubst gnus-article-sort-by-lines (h1 h2)
4971 "Sort articles by article Lines header."
4972 (< (mail-header-lines h1)
4973 (mail-header-lines h2)))
4975 (defun gnus-thread-sort-by-lines (h1 h2)
4976 "Sort threads by root article Lines header."
4977 (gnus-article-sort-by-lines
4978 (gnus-thread-header h1) (gnus-thread-header h2)))
4980 (defsubst gnus-article-sort-by-chars (h1 h2)
4981 "Sort articles by octet length."
4982 (< (mail-header-chars h1)
4983 (mail-header-chars h2)))
4985 (defun gnus-thread-sort-by-chars (h1 h2)
4986 "Sort threads by root article octet length."
4987 (gnus-article-sort-by-chars
4988 (gnus-thread-header h1) (gnus-thread-header h2)))
4990 (defsubst gnus-article-sort-by-author (h1 h2)
4991 "Sort articles by root author."
4993 (let ((extract (funcall
4994 gnus-extract-address-components
4995 (mail-header-from h1))))
4996 (or (car extract) (cadr extract) ""))
4997 (let ((extract (funcall
4998 gnus-extract-address-components
4999 (mail-header-from h2))))
5000 (or (car extract) (cadr extract) ""))))
5002 (defun gnus-thread-sort-by-author (h1 h2)
5003 "Sort threads by root author."
5004 (gnus-article-sort-by-author
5005 (gnus-thread-header h1) (gnus-thread-header h2)))
5007 (defsubst gnus-article-sort-by-recipient (h1 h2)
5008 "Sort articles by recipient."
5010 (let ((extract (funcall
5011 gnus-extract-address-components
5012 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
5013 (or (car extract) (cadr extract)))
5014 (let ((extract (funcall
5015 gnus-extract-address-components
5016 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
5017 (or (car extract) (cadr extract)))))
5019 (defun gnus-thread-sort-by-recipient (h1 h2)
5020 "Sort threads by root recipient."
5021 (gnus-article-sort-by-recipient
5022 (gnus-thread-header h1) (gnus-thread-header h2)))
5024 (defsubst gnus-article-sort-by-subject (h1 h2)
5025 "Sort articles by root subject."
5027 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
5028 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
5030 (defun gnus-thread-sort-by-subject (h1 h2)
5031 "Sort threads by root subject."
5032 (gnus-article-sort-by-subject
5033 (gnus-thread-header h1) (gnus-thread-header h2)))
5035 (defsubst gnus-article-sort-by-date (h1 h2)
5036 "Sort articles by root article date."
5038 (gnus-date-get-time (mail-header-date h1))
5039 (gnus-date-get-time (mail-header-date h2))))
5041 (defun gnus-thread-sort-by-date (h1 h2)
5042 "Sort threads by root article date."
5043 (gnus-article-sort-by-date
5044 (gnus-thread-header h1) (gnus-thread-header h2)))
5046 (defsubst gnus-article-sort-by-score (h1 h2)
5047 "Sort articles by root article score.
5048 Unscored articles will be counted as having a score of zero."
5049 (> (or (cdr (assq (mail-header-number h1)
5050 gnus-newsgroup-scored))
5051 gnus-summary-default-score 0)
5052 (or (cdr (assq (mail-header-number h2)
5053 gnus-newsgroup-scored))
5054 gnus-summary-default-score 0)))
5056 (defun gnus-thread-sort-by-score (h1 h2)
5057 "Sort threads by root article score."
5058 (gnus-article-sort-by-score
5059 (gnus-thread-header h1) (gnus-thread-header h2)))
5061 (defun gnus-thread-sort-by-total-score (h1 h2)
5062 "Sort threads by the sum of all scores in the thread.
5063 Unscored articles will be counted as having a score of zero."
5064 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
5066 (defun gnus-thread-total-score (thread)
5067 ;; This function find the total score of THREAD.
5072 (if (stringp (car thread))
5073 (apply gnus-thread-score-function 0
5074 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
5075 (gnus-thread-total-score-1 thread)))
5077 (gnus-thread-total-score-1 (list thread)))))
5079 (defun gnus-article-sort-by-most-recent-number (h1 h2)
5080 "Sort articles by number."
5081 (gnus-article-sort-by-number h1 h2))
5083 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
5084 "Sort threads such that the thread with the most recently arrived article comes first."
5085 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
5087 (defun gnus-thread-highest-number (thread)
5088 "Return the highest article number in THREAD."
5089 (apply 'max (mapcar (lambda (header)
5090 (mail-header-number header))
5091 (message-flatten-list thread))))
5093 (defun gnus-article-sort-by-most-recent-date (h1 h2)
5094 "Sort articles by number."
5095 (gnus-article-sort-by-date h1 h2))
5097 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
5098 "Sort threads such that the thread with the most recently dated article comes first."
5099 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
5101 ; Since this is called not only to sort the top-level threads, but
5102 ; also in recursive sorts to order the articles within a thread, each
5103 ; article will be processed many times. Thus it speeds things up
5104 ; quite a bit to use gnus-date-get-time, which caches the time value.
5105 (defun gnus-thread-latest-date (thread)
5106 "Return the highest article date in THREAD."
5108 (mapcar (lambda (header) (gnus-float-time
5110 (mail-header-date header))))
5111 (message-flatten-list thread))))
5113 (defun gnus-thread-total-score-1 (root)
5114 ;; This function find the total score of the thread below ROOT.
5115 (setq root (car root))
5116 (apply gnus-thread-score-function
5118 (mapcar 'gnus-thread-total-score
5119 (cdr (gnus-id-to-thread (mail-header-id root))))
5120 (when (> (mail-header-number root) 0)
5121 (list (or (cdr (assq (mail-header-number root)
5122 gnus-newsgroup-scored))
5123 gnus-summary-default-score 0))))
5124 (list gnus-summary-default-score)
5127 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
5128 (defvar gnus-tmp-prev-subject nil)
5129 (defvar gnus-tmp-false-parent nil)
5130 (defvar gnus-tmp-root-expunged nil)
5131 (defvar gnus-tmp-dummy-line nil)
5133 (defun gnus-extra-header (type &optional header)
5134 "Return the extra header of TYPE."
5135 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
5138 (defvar gnus-tmp-thread-tree-header-string "")
5140 (defcustom gnus-sum-thread-tree-root "> "
5141 "With %B spec, used for the root of a thread.
5142 If nil, use subject instead."
5144 :type '(radio (const :format "%v " nil) string)
5145 :group 'gnus-thread)
5147 (defcustom gnus-sum-thread-tree-false-root "> "
5148 "With %B spec, used for a false root of a thread.
5149 If nil, use subject instead."
5151 :type '(radio (const :format "%v " nil) string)
5152 :group 'gnus-thread)
5154 (defcustom gnus-sum-thread-tree-single-indent ""
5155 "With %B spec, used for a thread with just one message.
5156 If nil, use subject instead."
5158 :type '(radio (const :format "%v " nil) string)
5159 :group 'gnus-thread)
5161 (defcustom gnus-sum-thread-tree-vertical "| "
5162 "With %B spec, used for drawing a vertical line."
5165 :group 'gnus-thread)
5167 (defcustom gnus-sum-thread-tree-indent " "
5168 "With %B spec, used for indenting."
5171 :group 'gnus-thread)
5173 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5174 "With %B spec, used for a leaf with brothers."
5177 :group 'gnus-thread)
5179 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5180 "With %B spec, used for a leaf without brothers."
5183 :group 'gnus-thread)
5185 (defcustom gnus-summary-display-while-building nil
5186 "If non-nil, show and update the summary buffer as it's being built.
5187 If the value is t, update the buffer after every line is inserted. If
5188 the value is an integer (N), update the display every N lines."
5191 :type '(choice (const :tag "off" nil)
5193 (const :tag "frequently" t)))
5195 (defun gnus-summary-prepare-threads (threads)
5196 "Prepare summary buffer from THREADS and indentation LEVEL.
5197 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5198 or a straight list of headers."
5199 (gnus-message 7 "Generating summary...")
5201 (setq gnus-newsgroup-threads threads)
5204 (let ((gnus-tmp-level 0)
5205 (default-score (or gnus-summary-default-score 0))
5206 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5207 (building-line-count gnus-summary-display-while-building)
5208 (building-count (integerp gnus-summary-display-while-building))
5209 thread number subject stack state gnus-tmp-gathered beg-match
5210 new-roots gnus-tmp-new-adopts thread-end simp-subject
5211 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5212 gnus-tmp-replied gnus-tmp-subject-or-nil
5213 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5214 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5215 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5218 (setq gnus-tmp-prev-subject nil
5219 gnus-tmp-thread-tree-header-string "")
5221 (if (vectorp (car threads))
5222 ;; If this is a straight (sic) list of headers, then a
5223 ;; threaded summary display isn't required, so we just create
5224 ;; an unthreaded one.
5225 (gnus-summary-prepare-unthreaded threads)
5227 ;; Do the threaded display.
5229 (if gnus-summary-display-while-building
5230 (switch-to-buffer (buffer-name)))
5231 (while (or threads stack gnus-tmp-new-adopts new-roots)
5233 (if (and (= gnus-tmp-level 0)
5236 (not gnus-tmp-false-parent)
5237 (or gnus-tmp-new-adopts new-roots))
5238 (if gnus-tmp-new-adopts
5239 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5240 thread (list (car gnus-tmp-new-adopts))
5241 gnus-tmp-header (caar thread)
5242 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5244 (setq thread (list (car new-roots))
5245 gnus-tmp-header (caar thread)
5246 new-roots (cdr new-roots))))
5249 ;; If there are some threads, we do them before the
5250 ;; threads on the stack.
5251 (setq thread threads
5252 gnus-tmp-header (caar thread))
5253 ;; There were no current threads, so we pop something off
5255 (setq state (car stack)
5256 gnus-tmp-level (car state)
5257 tree-stack (cadr state)
5258 thread (caddr state)
5260 gnus-tmp-header (caar thread))))
5262 (setq gnus-tmp-false-parent nil)
5263 (setq gnus-tmp-root-expunged nil)
5264 (setq thread-end nil)
5266 (if (stringp gnus-tmp-header)
5267 ;; The header is a dummy root.
5269 ((eq gnus-summary-make-false-root 'adopt)
5270 ;; We let the first article adopt the rest.
5271 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5273 (setq gnus-tmp-gathered
5275 (lambda (h) (mail-header-number (car h)))
5278 (setq thread (cons (list (caar thread)
5281 (setq gnus-tmp-level -1
5282 gnus-tmp-false-parent t))
5283 ((eq gnus-summary-make-false-root 'empty)
5284 ;; We print adopted articles with empty subject fields.
5285 (setq gnus-tmp-gathered
5287 (lambda (h) (mail-header-number (car h)))
5290 (setq gnus-tmp-level -1))
5291 ((eq gnus-summary-make-false-root 'dummy)
5292 ;; We remember that we probably want to output a dummy
5294 (setq gnus-tmp-dummy-line gnus-tmp-header)
5295 (setq gnus-tmp-prev-subject gnus-tmp-header))
5297 ;; We do not make a root for the gathered
5298 ;; sub-threads at all.
5299 (setq gnus-tmp-level -1)))
5301 (setq number (mail-header-number gnus-tmp-header)
5302 subject (mail-header-subject gnus-tmp-header)
5303 simp-subject (gnus-simplify-subject-fully subject))
5306 ;; If the thread has changed subject, we might want to make
5307 ;; this subthread into a root.
5308 ((and (null gnus-thread-ignore-subject)
5309 (not (zerop gnus-tmp-level))
5310 gnus-tmp-prev-subject
5311 (not (string= gnus-tmp-prev-subject simp-subject)))
5312 (setq new-roots (nconc new-roots (list (car thread)))
5314 gnus-tmp-header nil))
5315 ;; If the article lies outside the current limit,
5316 ;; then we do not display it.
5317 ((not (memq number gnus-newsgroup-limit))
5318 (setq gnus-tmp-gathered
5320 (lambda (h) (mail-header-number (car h)))
5323 (setq gnus-tmp-new-adopts (if (cdar thread)
5324 (append gnus-tmp-new-adopts
5326 gnus-tmp-new-adopts)
5328 gnus-tmp-header nil)
5329 (when (zerop gnus-tmp-level)
5330 (setq gnus-tmp-root-expunged t)))
5331 ;; Perhaps this article is to be marked as read?
5332 ((and gnus-summary-mark-below
5333 (< (or (cdr (assq number gnus-newsgroup-scored))
5335 gnus-summary-mark-below)
5336 ;; Don't touch sparse articles.
5337 (not (gnus-summary-article-sparse-p number))
5338 (not (gnus-summary-article-ancient-p number)))
5339 (setq gnus-newsgroup-unreads
5340 (delq number gnus-newsgroup-unreads))
5341 (if gnus-newsgroup-auto-expire
5342 (setq gnus-newsgroup-expirable
5343 (gnus-add-to-sorted-list
5344 gnus-newsgroup-expirable number))
5345 (push (cons number gnus-low-score-mark)
5346 gnus-newsgroup-reads))))
5348 (when gnus-tmp-header
5349 ;; We may have an old dummy line to output before this
5351 (when (and gnus-tmp-dummy-line
5354 (mail-header-subject gnus-tmp-header)))
5355 (gnus-summary-insert-dummy-line
5356 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5357 (setq gnus-tmp-dummy-line nil))
5359 ;; Compute the mark.
5360 (setq gnus-tmp-unread (gnus-article-mark number))
5362 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5363 gnus-tmp-header gnus-tmp-level)
5364 gnus-newsgroup-data)
5366 ;; Actually insert the line.
5368 gnus-tmp-subject-or-nil
5370 ((and gnus-thread-ignore-subject
5371 gnus-tmp-prev-subject
5372 (not (string= gnus-tmp-prev-subject simp-subject)))
5374 ((zerop gnus-tmp-level)
5375 (if (and (eq gnus-summary-make-false-root 'empty)
5376 (memq number gnus-tmp-gathered)
5377 gnus-tmp-prev-subject
5378 (string= gnus-tmp-prev-subject simp-subject))
5379 gnus-summary-same-subject
5381 (t gnus-summary-same-subject)))
5382 (if (and (eq gnus-summary-make-false-root 'adopt)
5383 (= gnus-tmp-level 1)
5384 (memq number gnus-tmp-gathered))
5385 (setq gnus-tmp-opening-bracket ?\<
5386 gnus-tmp-closing-bracket ?\>)
5387 (setq gnus-tmp-opening-bracket ?\[
5388 gnus-tmp-closing-bracket ?\]))
5389 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5390 (gnus-make-thread-indent-array
5391 (max (* 2 (length gnus-thread-indent-array))
5394 gnus-tmp-indentation
5395 (aref gnus-thread-indent-array gnus-tmp-level)
5396 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5397 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5398 gnus-summary-default-score 0)
5400 (if (or (null gnus-summary-default-score)
5401 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5402 gnus-summary-zcore-fuzz))
5404 (if (< gnus-tmp-score gnus-summary-default-score)
5405 gnus-score-below-mark gnus-score-over-mark))
5407 (cond ((memq number gnus-newsgroup-processable)
5409 ((memq number gnus-newsgroup-cached)
5411 ((memq number gnus-newsgroup-replied)
5413 ((memq number gnus-newsgroup-forwarded)
5414 gnus-forwarded-mark)
5415 ((memq number gnus-newsgroup-saved)
5417 ((memq number gnus-newsgroup-unseen)
5421 (cond ((memq number gnus-newsgroup-undownloaded)
5422 gnus-undownloaded-mark)
5423 (gnus-newsgroup-agentized
5424 gnus-downloaded-mark)
5427 gnus-tmp-from (mail-header-from gnus-tmp-header)
5430 ((string-match "<[^>]+> *$" gnus-tmp-from)
5431 (setq beg-match (match-beginning 0))
5432 (or (and (string-match "^\".+\"" gnus-tmp-from)
5433 (substring gnus-tmp-from 1 (1- (match-end 0))))
5434 (substring gnus-tmp-from 0 beg-match)))
5435 ((string-match "(.+)" gnus-tmp-from)
5436 (substring gnus-tmp-from
5437 (1+ (match-beginning 0)) (1- (match-end 0))))
5441 gnus-tmp-thread-tree-header-string
5443 ((not gnus-show-threads) "")
5444 ((zerop gnus-tmp-level)
5445 (cond ((cdar thread)
5446 (or gnus-sum-thread-tree-root subject))
5447 (gnus-tmp-new-adopts
5448 (or gnus-sum-thread-tree-false-root subject))
5450 (or gnus-sum-thread-tree-single-indent subject))))
5452 (concat (apply 'concat
5453 (mapcar (lambda (item)
5455 gnus-sum-thread-tree-vertical
5456 gnus-sum-thread-tree-indent))
5457 (cdr (reverse tree-stack))))
5459 gnus-sum-thread-tree-leaf-with-other
5460 gnus-sum-thread-tree-single-leaf)))))
5461 (when (string= gnus-tmp-name "")
5462 (setq gnus-tmp-name gnus-tmp-from))
5463 (unless (numberp gnus-tmp-lines)
5464 (setq gnus-tmp-lines -1))
5465 (if (= gnus-tmp-lines -1)
5466 (setq gnus-tmp-lines "?")
5467 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5468 (gnus-put-text-property
5470 (progn (eval gnus-summary-line-format-spec) (point))
5471 'gnus-number number)
5474 (gnus-summary-highlight-line)
5475 (when gnus-summary-update-hook
5476 (gnus-run-hooks 'gnus-summary-update-hook))
5479 (setq gnus-tmp-prev-subject simp-subject)))
5481 (when (nth 1 thread)
5482 (push (list (max 0 gnus-tmp-level)
5483 (copy-sequence tree-stack)
5486 (push (if (nth 1 thread) 1 0) tree-stack)
5487 (incf gnus-tmp-level)
5488 (setq threads (if thread-end nil (cdar thread)))
5489 (if gnus-summary-display-while-building
5492 ;; use a set frequency
5493 (setq building-line-count (1- building-line-count))
5494 (when (= building-line-count 0)
5496 (setq building-line-count
5497 gnus-summary-display-while-building)))
5501 (setq gnus-tmp-level 0)))))
5502 (gnus-message 7 "Generating summary...done"))
5504 (defun gnus-summary-prepare-unthreaded (headers)
5505 "Generate an unthreaded summary buffer based on HEADERS."
5506 (let (header number mark)
5511 ;; We may have to root out some bad articles...
5512 (when (memq (setq number (mail-header-number
5513 (setq header (pop headers))))
5514 gnus-newsgroup-limit)
5515 ;; Mark article as read when it has a low score.
5516 (when (and gnus-summary-mark-below
5517 (< (or (cdr (assq number gnus-newsgroup-scored))
5518 gnus-summary-default-score 0)
5519 gnus-summary-mark-below)
5520 (not (gnus-summary-article-ancient-p number)))
5521 (setq gnus-newsgroup-unreads
5522 (delq number gnus-newsgroup-unreads))
5523 (if gnus-newsgroup-auto-expire
5524 (push number gnus-newsgroup-expirable)
5525 (push (cons number gnus-low-score-mark)
5526 gnus-newsgroup-reads)))
5528 (setq mark (gnus-article-mark number))
5529 (push (gnus-data-make number mark (1+ (point)) header 0)
5530 gnus-newsgroup-data)
5531 (gnus-summary-insert-line
5533 (memq number gnus-newsgroup-undownloaded)
5534 mark (memq number gnus-newsgroup-replied)
5535 (memq number gnus-newsgroup-expirable)
5536 (mail-header-subject header) nil
5537 (cdr (assq number gnus-newsgroup-scored))
5538 (memq number gnus-newsgroup-processable))))))
5540 (declare-function gnus-parameter-list-identifier "gnus-art" (name) t)
5542 (defun gnus-group-get-list-identifiers (group)
5543 "Get list identifier regexp for GROUP."
5544 (or (gnus-parameter-list-identifier group)
5545 (if (consp gnus-list-identifiers)
5546 (mapconcat 'identity gnus-list-identifiers " *\\|")
5547 gnus-list-identifiers)))
5549 (defun gnus-summary-remove-list-identifiers ()
5550 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5551 (let ((regexp (gnus-group-get-list-identifiers gnus-newsgroup-name))
5554 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5555 (dolist (header gnus-newsgroup-headers)
5556 (setq subject (mail-header-subject header)
5558 (while (string-match regexp subject)
5560 (concat (substring subject 0 (match-beginning 1))
5561 (substring subject (match-end 0)))
5564 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5566 (concat (substring subject 0 (match-beginning 1))
5567 (substring subject (match-end 1)))))
5568 (mail-header-set-subject header subject))))))
5570 (defun gnus-fetch-headers (articles &optional limit force-new dependencies)
5571 "Fetch headers of ARTICLES."
5572 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5573 (gnus-message 7 "Fetching headers for %s..." name)
5576 (setq gnus-headers-retrieved-by
5577 (gnus-retrieve-headers
5578 articles gnus-newsgroup-name
5580 ;; We might want to fetch old headers, but
5581 ;; not if there is only 1 article.
5583 (not (eq gnus-fetch-old-headers 'some))
5584 (not (numberp gnus-fetch-old-headers)))
5585 (> (length articles) 1))
5586 gnus-fetch-old-headers)))))
5587 (gnus-get-newsgroup-headers-xover
5588 articles force-new dependencies gnus-newsgroup-name t)
5589 (gnus-get-newsgroup-headers dependencies force-new))
5590 (gnus-message 7 "Fetching headers for %s...done" name))))
5592 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5593 "Select newsgroup GROUP.
5594 If READ-ALL is non-nil, all articles in the group are selected.
5595 If SELECT-ARTICLES, only select those articles from GROUP."
5596 (let* ((entry (gnus-group-entry group))
5597 ;;!!! Dirty hack; should be removed.
5598 (gnus-summary-ignore-duplicates
5599 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5601 gnus-summary-ignore-duplicates))
5602 (info (nth 2 entry))
5603 charset articles fetched-articles cached)
5605 (unless (gnus-check-server
5606 (set (make-local-variable 'gnus-current-select-method)
5607 (gnus-find-method-for-group group)))
5608 (error "Couldn't open server"))
5609 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5611 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5612 (gnus-activate-group group) ; Or we can activate it...
5613 (progn ; Or we bug out.
5614 (when (derived-mode-p 'gnus-summary-mode)
5615 (gnus-kill-buffer (current-buffer)))
5617 "Couldn't activate group %s: %s"
5618 (mm-decode-coding-string group charset)
5619 (mm-decode-coding-string (gnus-status-message group) charset))))
5621 (unless (gnus-request-group group t)
5622 (when (derived-mode-p 'gnus-summary-mode)
5623 (gnus-kill-buffer (current-buffer)))
5624 (error "Couldn't request group %s: %s"
5625 (mm-decode-coding-string group charset)
5626 (mm-decode-coding-string (gnus-status-message group) charset)))
5628 (when (and gnus-agent
5629 (gnus-active group))
5630 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5632 (setq gnus-summary-use-undownloaded-faces
5633 (gnus-agent-find-parameter
5635 'agent-enable-undownloaded-faces)))
5637 (setq gnus-newsgroup-name group
5638 gnus-newsgroup-unselected nil
5639 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5641 (let ((display (gnus-group-find-parameter group 'display)))
5642 (setq gnus-newsgroup-display
5644 ((not (zerop (or (car-safe read-all) 0)))
5645 ;; The user entered the group with C-u SPC/RET, let's show
5651 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5653 ;; The following is probably the "correct" solution, but
5654 ;; it makes Gnus fetch all headers and then limit the
5655 ;; articles (which is slow), so instead we hack the
5656 ;; select-articles parameter instead. -- Simon Josefsson
5659 ;; (gnus-byte-compile
5660 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5662 (setq select-articles
5663 (gnus-uncompress-range
5664 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5668 (cdr (gnus-active group)))))
5673 (gnus-summary-setup-default-charset)
5675 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5676 (when (gnus-virtual-group-p group)
5677 (setq cached gnus-newsgroup-cached))
5679 (setq gnus-newsgroup-unreads
5680 (gnus-sorted-ndifference
5681 (gnus-sorted-ndifference gnus-newsgroup-unreads
5682 gnus-newsgroup-marked)
5683 gnus-newsgroup-dormant))
5685 (setq gnus-newsgroup-processable nil)
5687 (gnus-update-read-articles group gnus-newsgroup-unreads t)
5689 ;; Adjust and set lists of article marks.
5691 (gnus-adjust-marked-articles info))
5692 (if (setq articles select-articles)
5693 (setq gnus-newsgroup-unselected
5694 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5695 (setq articles (gnus-articles-to-read group read-all)))
5699 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5701 ((eq articles 0) nil)
5703 ;; Init the dependencies hash table.
5704 (setq gnus-newsgroup-dependencies
5705 (gnus-make-hashtable (length articles)))
5706 (if (gnus-buffer-live-p gnus-group-buffer)
5707 (gnus-set-global-variables)
5708 (set-default 'gnus-newsgroup-name gnus-newsgroup-name))
5709 ;; Retrieve the headers and read them in.
5711 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5713 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5715 (setq gnus-newsgroup-cached cached))
5717 ;; Suppress duplicates?
5718 (when gnus-suppress-duplicates
5719 (gnus-dup-suppress-articles))
5721 ;; Set the initial limit.
5722 (setq gnus-newsgroup-limit (copy-sequence articles))
5723 ;; Remove canceled articles from the list of unread articles.
5724 (setq fetched-articles
5725 (mapcar (lambda (headers) (mail-header-number headers))
5726 gnus-newsgroup-headers))
5727 (setq gnus-newsgroup-articles fetched-articles)
5728 (setq gnus-newsgroup-unreads
5729 (gnus-sorted-nintersection
5730 gnus-newsgroup-unreads fetched-articles))
5731 (gnus-compute-unseen-list)
5733 ;; Removed marked articles that do not exist.
5734 (gnus-update-missing-marks
5735 (gnus-sorted-difference articles fetched-articles))
5736 ;; We might want to build some more threads first.
5737 (when (and gnus-fetch-old-headers
5738 (eq gnus-headers-retrieved-by 'nov))
5739 (if (eq gnus-fetch-old-headers 'invisible)
5740 (gnus-build-all-threads)
5741 (gnus-build-old-threads)))
5742 ;; Let the Gnus agent mark articles as read.
5744 (gnus-agent-get-undownloaded-list))
5745 ;; Remove list identifiers from subject
5746 (gnus-summary-remove-list-identifiers)
5747 ;; Check whether auto-expire is to be done in this group.
5748 (setq gnus-newsgroup-auto-expire
5749 (and (gnus-group-auto-expirable-p group)
5750 (not (gnus-group-read-only-p group))))
5751 ;; Set up the article buffer now, if necessary.
5752 (unless (and gnus-single-article-buffer
5753 (equal gnus-article-buffer "*Article*"))
5754 (gnus-article-setup-buffer))
5755 ;; First and last article in this newsgroup.
5756 (when gnus-newsgroup-headers
5757 (setq gnus-newsgroup-begin
5758 (mail-header-number (car gnus-newsgroup-headers))
5761 (gnus-last-element gnus-newsgroup-headers))))
5762 ;; GROUP is successfully selected.
5763 (or gnus-newsgroup-headers t)))))
5765 (defun gnus-compute-unseen-list ()
5766 ;; The `seen' marks are treated specially.
5767 (if (not gnus-newsgroup-seen)
5768 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5769 (setq gnus-newsgroup-unseen
5770 (gnus-inverse-list-range-intersection
5771 gnus-newsgroup-articles gnus-newsgroup-seen))))
5773 (declare-function gnus-get-predicate "gnus-agent" (predicate))
5775 (defun gnus-summary-display-make-predicate (display)
5776 (require 'gnus-agent)
5777 (when (= (length display) 1)
5778 (setq display (car display)))
5779 (unless gnus-summary-display-cache
5780 (dolist (elem (append '((unread . unread)
5783 gnus-article-mark-lists))
5784 (push (cons (cdr elem)
5785 (gnus-byte-compile ;Why bother?
5786 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5787 gnus-summary-display-cache)))
5788 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5789 (gnus-category-predicate-cache gnus-summary-display-cache))
5790 (gnus-get-predicate display)))
5792 ;; Uses the dynamically bound `gnus-number' variable.
5793 (defvar gnus-number)
5794 (defun gnus-article-marked-p (type &optional article)
5795 (let ((article (or article gnus-number)))
5798 (memq article gnus-newsgroup-marked))
5800 (memq article gnus-newsgroup-spam-marked))
5802 (memq article gnus-newsgroup-unsendable))
5803 ((eq type 'undownload)
5804 (memq article gnus-newsgroup-undownloaded))
5805 ((eq type 'download)
5806 (memq article gnus-newsgroup-downloadable))
5808 (memq article gnus-newsgroup-unreads))
5810 (memq article gnus-newsgroup-reads))
5812 (memq article gnus-newsgroup-dormant) )
5814 (memq article gnus-newsgroup-expirable))
5816 (memq article gnus-newsgroup-replied))
5818 (memq article gnus-newsgroup-killed))
5819 ((eq type 'bookmark)
5820 (assq article gnus-newsgroup-bookmarks))
5822 (assq article gnus-newsgroup-scored))
5824 (memq article gnus-newsgroup-saved))
5826 (memq article gnus-newsgroup-cached))
5828 (memq article gnus-newsgroup-forwarded))
5830 (not (memq article gnus-newsgroup-unseen)))
5833 (defun gnus-articles-to-read (group &optional read-all)
5834 "Find out what articles the user wants to read."
5835 (let* ((only-read-p t)
5837 (gnus-list-range-difference
5838 ;; Select all articles if `read-all' is non-nil, or if there
5839 ;; are no unread articles.
5841 (and (zerop (length gnus-newsgroup-marked))
5842 (zerop (length gnus-newsgroup-unreads)))
5843 ;; Fetch all if the predicate is non-nil.
5844 gnus-newsgroup-display)
5845 ;; We want to select the headers for all the articles in
5846 ;; the group, so we select either all the active
5847 ;; articles in the group, or (if that's nil), the
5848 ;; articles in the cache.
5850 (if gnus-newsgroup-maximum-articles
5851 (let ((active (gnus-active group)))
5852 (gnus-uncompress-range
5853 (cons (max (car active)
5855 gnus-newsgroup-maximum-articles
5858 (gnus-uncompress-range (gnus-active group)))
5859 (gnus-cache-articles-in-group group))
5860 ;; Select only the "normal" subset of articles.
5861 (setq only-read-p nil)
5863 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5864 gnus-newsgroup-unreads))
5865 (cdr (assq 'unexist (gnus-info-marks (gnus-get-info group))))))
5866 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5867 (scored (length scored-list))
5868 (number (length articles))
5869 (marked (+ (length gnus-newsgroup-marked)
5870 (length gnus-newsgroup-dormant)))
5875 ((numberp gnus-newsgroup-display)
5876 gnus-newsgroup-display)
5880 ((and (or (<= scored marked) (= scored number))
5881 (numberp gnus-large-newsgroup)
5882 (> number gnus-large-newsgroup))
5883 (let* ((cursor-in-echo-area nil)
5884 (initial (gnus-parameter-large-newsgroup-initial
5885 gnus-newsgroup-name))
5886 (default (if only-read-p
5887 (or initial gnus-large-newsgroup)
5893 "How many articles from %s (available %d, default %d): "
5894 (gnus-group-decoded-name
5895 (gnus-group-real-name gnus-newsgroup-name))
5898 "How many articles from %s (%d default): "
5899 (gnus-group-decoded-name
5900 (gnus-group-real-name gnus-newsgroup-name))
5904 (number-to-string default))))
5905 (if (string-match "^[ \t]*$" input) number input)))
5906 ((and (> scored marked) (< scored number)
5907 (> (- scored number) 20))
5910 (format "%s %s (%d scored, %d total): "
5911 "How many articles from"
5912 (gnus-group-decoded-name
5913 (gnus-group-real-name gnus-newsgroup-name))
5915 (if (string-match "^[ \t]*$" input)
5919 (message "Quit getting the articles to read")
5921 (setq select (if (stringp select) (string-to-number select) select))
5922 (if (or (null select) (zerop select))
5924 (if (and (not (zerop scored)) (<= (abs select) scored))
5926 (setq articles (sort scored-list '<))
5927 (setq number (length articles)))
5928 (setq articles (copy-sequence articles)))
5930 (when (< (abs select) number)
5932 ;; Select the N oldest articles.
5933 (setcdr (nthcdr (1- (abs select)) articles) nil)
5934 ;; Select the N most recent articles.
5935 (setq articles (nthcdr (- number select) articles))))
5936 (setq gnus-newsgroup-unselected
5937 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5938 (when gnus-alter-articles-to-read-function
5941 (funcall gnus-alter-articles-to-read-function
5942 gnus-newsgroup-name articles)
5946 (defun gnus-killed-articles (killed articles)
5949 (when (inline (gnus-member-of-range (car articles) killed))
5950 (push (car articles) out))
5951 (setq articles (cdr articles)))
5954 (defun gnus-article-mark-to-type (mark)
5955 "Return the type of MARK."
5956 (or (cadr (assq mark gnus-article-special-mark-lists))
5959 (defun gnus-article-unpropagatable-p (mark)
5960 "Return whether MARK should be propagated to back end."
5961 (memq mark gnus-article-unpropagated-mark-lists))
5963 (defun gnus-adjust-marked-articles (info)
5964 "Set all article lists and remove all marks that are no longer valid."
5965 (let* ((marked-lists (gnus-info-marks info))
5966 (active (gnus-active (gnus-info-group info)))
5969 (types gnus-article-mark-lists)
5970 marks var articles article mark mark-type
5972 ;; Hack to avoid adjusting marks for imap.
5973 (when (eq (car (gnus-find-method-for-group (gnus-info-group info)))
5977 (dolist (marks marked-lists)
5978 (setq mark (car marks)
5979 mark-type (gnus-article-mark-to-type mark)
5980 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5981 ;; We set the variable according to the type of the marks list,
5982 ;; and then adjust the marks to a subset of the active articles.
5984 ;; Adjust "simple" lists - compressed yet unsorted
5985 ((eq mark-type 'list)
5986 ;; Simultaneously uncompress and clip to active range
5987 ;; See gnus-uncompress-range for a description of possible marks
5989 (if (not (cadr marks))
5991 (setq articles (if (numberp (cddr marks))
5997 (while (setq article (pop articles))
5998 (cond ((consp article)
5999 (setq bgn (max (car article) min)
6000 end (min (cdr article) max))
6002 (setq l (setcdr l (cons bgn nil))
6004 ((and (<= min article)
6006 (setq l (setcdr l (cons article nil))))))
6007 (set var (cdr lh)))))
6009 ((eq mark-type 'tuple)
6010 (set var (setq articles (cdr marks)))
6011 (when (not (listp (cdr (symbol-value var))))
6012 (set var (list (symbol-value var))))
6013 (when (not (listp (cdr articles)))
6014 (setq articles (list articles)))
6016 (when (or (not (consp (setq article (pop articles))))
6017 (< (car article) min)
6018 (> (car article) max))
6019 (set var (delq article (symbol-value var))))))
6020 ;; Adjust ranges (sloppily).
6021 ((eq mark-type 'range)
6024 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
6025 ;; It should be (seen (NUM1 . NUM2)).
6026 (when (numberp (cddr marks))
6027 (setcdr marks (list (cdr marks))))
6028 (setq articles (cdr marks))
6029 (while (and articles
6030 (or (and (consp (car articles))
6031 (> min (cdar articles)))
6032 (and (numberp (car articles))
6033 (> min (car articles)))))
6037 (set var (cdr marks)))))))))
6039 (defun gnus-update-missing-marks (missing)
6040 "Go through the list of MISSING articles and remove them from the mark lists."
6043 ;; Go through all types.
6044 (dolist (elem gnus-article-mark-lists)
6045 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
6046 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
6047 (when (symbol-value var)
6048 ;; This list has articles. So we delete all missing
6049 ;; articles from it.
6052 (set var (delq (pop m) (symbol-value var))))))))))
6054 (defun gnus-update-marks ()
6055 "Enter the various lists of marked articles into the newsgroup info list."
6056 (let ((types gnus-article-mark-lists)
6057 (info (gnus-get-info gnus-newsgroup-name))
6058 type list newmarked symbol delta-marks)
6060 ;; Add all marks lists to the list of marks lists.
6061 (while (setq type (pop types))
6062 (setq list (symbol-value
6064 (intern (format "gnus-newsgroup-%s" (car type))))))
6067 ;; Get rid of the entries of the articles that have the
6069 (when (and (eq (cdr type) 'score)
6073 (prev (cons nil list))
6076 (if (or (not (consp (car arts)))
6077 (= (cdar arts) gnus-summary-default-score))
6078 (setcdr prev (cdr arts))
6080 (setq arts (cdr arts)))
6081 (setq list (cdr all)))))
6083 (when (eq (cdr type) 'seen)
6084 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
6086 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
6087 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
6089 (when (and (gnus-check-backend-function
6090 'request-set-mark gnus-newsgroup-name)
6091 (not (gnus-article-unpropagatable-p (cdr type))))
6092 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
6093 ;; Don't do anything about marks for articles we
6094 ;; didn't actually get any headers for.
6096 (gnus-list-range-intersection
6097 gnus-newsgroup-articles
6098 (gnus-remove-from-range (gnus-copy-sequence old) list)))
6100 (gnus-list-range-intersection
6101 gnus-newsgroup-articles
6102 (gnus-remove-from-range
6103 (gnus-copy-sequence list) old))))
6105 (push (list add 'add (list (cdr type))) delta-marks))
6107 ;; Don't delete marks from outside the active range.
6108 ;; This shouldn't happen, but is a sanity check.
6109 (setq del (gnus-sorted-range-intersection
6110 (gnus-active gnus-newsgroup-name) del))
6111 (push (list del 'del (list (cdr type))) delta-marks))))
6114 (eq (cdr type) 'unexist))
6115 (push (cons (cdr type) list) newmarked)))
6118 (unless (gnus-check-group gnus-newsgroup-name)
6119 (error "Can't open server for %s" gnus-newsgroup-name))
6120 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
6122 ;; Enter these new marks into the info of the group.
6124 (setcar (nthcdr 3 info) newmarked)
6125 ;; Add the marks lists to the end of the info.
6127 (setcdr (nthcdr 2 info) (list newmarked))))
6129 ;; Cut off the end of the info if there's nothing else there.
6133 (when (nthcdr (decf i) info)
6134 (setcdr (nthcdr i info) nil)))))))
6136 (defun gnus-set-mode-line (where)
6137 "Set the mode line of the article or summary buffers.
6138 If WHERE is `summary', the summary mode line format will be used."
6139 ;; Is this mode line one we keep updated?
6140 (when (and (memq where gnus-updated-mode-lines)
6142 (intern (format "gnus-%s-mode-line-format-spec" where))))
6144 ;; We evaluate this in the summary buffer since these
6145 ;; variables are buffer-local to that buffer.
6146 (with-current-buffer gnus-summary-buffer
6147 ;; We bind all these variables that are used in the `eval' form
6149 (let* ((mformat (symbol-value
6151 (format "gnus-%s-mode-line-format-spec" where))))
6152 (gnus-tmp-group-name (gnus-mode-string-quote
6153 (gnus-group-decoded-name
6154 gnus-newsgroup-name)))
6155 (gnus-tmp-article-number (or gnus-current-article 0))
6156 (gnus-tmp-unread gnus-newsgroup-unreads)
6157 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
6158 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
6159 (gnus-tmp-unread-and-unselected
6160 (cond ((and (zerop gnus-tmp-unread-and-unticked)
6161 (zerop gnus-tmp-unselected))
6163 ((zerop gnus-tmp-unselected)
6164 (format "{%d more}" gnus-tmp-unread-and-unticked))
6165 (t (format "{%d(+%d) more}"
6166 gnus-tmp-unread-and-unticked
6167 gnus-tmp-unselected))))
6169 (if (and gnus-current-headers
6170 (vectorp gnus-current-headers))
6171 (gnus-mode-string-quote
6172 (mail-header-subject gnus-current-headers))
6174 bufname-length max-len
6175 gnus-tmp-header) ;; passed as argument to any user-format-funcs
6176 (setq mode-string (eval mformat))
6177 (setq bufname-length (if (string-match "%b" mode-string)
6180 (if (eq where 'summary)
6182 (get-buffer gnus-article-buffer))))
6185 (setq max-len (max 4 (if gnus-mode-non-string-length
6187 gnus-mode-non-string-length
6189 (length mode-string))))
6190 ;; We might have to chop a bit of the string off...
6191 (when (> (length mode-string) max-len)
6193 (concat (truncate-string-to-width mode-string (- max-len 3))
6195 ;; Update the mode line.
6196 (setq mode-line-buffer-identification
6197 (gnus-mode-line-buffer-identification (list mode-string)))
6198 (set-buffer-modified-p t))))
6200 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
6201 "Go through the HEADERS list and add all Xrefs to a hash table.
6202 The resulting hash table is returned, or nil if no Xrefs were found."
6203 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
6204 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
6205 (xref-hashtb (gnus-make-hashtable))
6206 start group entry number xrefs header)
6208 (setq header (pop headers))
6209 (when (and (setq xrefs (mail-header-xref header))
6210 (not (memq (setq number (mail-header-number header))
6213 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6214 (setq start (match-end 0))
6215 (setq group (if prefix
6216 (concat prefix (substring xrefs (match-beginning 1)
6218 (substring xrefs (match-beginning 1) (match-end 1))))
6220 (string-to-number (substring xrefs (match-beginning 2)
6222 (if (setq entry (gnus-gethash group xref-hashtb))
6223 (setcdr entry (cons number (cdr entry)))
6224 (gnus-sethash group (cons number nil) xref-hashtb)))))
6225 (and start xref-hashtb)))
6227 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6228 "Look through all the headers and mark the Xrefs as read."
6229 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6230 name info xref-hashtb idlist method nth4)
6231 (with-current-buffer gnus-group-buffer
6232 (when (setq xref-hashtb
6233 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6236 (unless (string= from-newsgroup (setq name (symbol-name group)))
6237 (setq idlist (symbol-value group))
6238 ;; Dead groups are not updated.
6240 (setq info (gnus-get-info name))
6241 (when (stringp (setq nth4 (gnus-info-method info)))
6242 (setq nth4 (gnus-server-to-method nth4))))
6243 ;; Only do the xrefs if the group has the same
6244 ;; select method as the group we have just read.
6245 (or (gnus-methods-equal-p
6246 nth4 (gnus-find-method-for-group from-newsgroup))
6248 (equal nth4 (setq method (gnus-find-method-for-group
6250 (and (equal (car nth4) (car method))
6251 (equal (nth 1 nth4) (nth 1 method))))
6252 gnus-use-cross-reference
6253 (or (not (eq gnus-use-cross-reference t))
6255 ;; Only do cross-references on subscribed
6256 ;; groups, if that is what is wanted.
6257 (<= (gnus-info-level info) gnus-level-subscribed))
6258 (gnus-group-make-articles-read name idlist))))
6261 (defun gnus-compute-read-articles (group articles)
6262 (let* ((entry (gnus-group-entry group))
6263 (info (nth 2 entry))
6264 (active (gnus-active group))
6267 ;; First peel off all invalid article numbers.
6269 (let ((ids articles)
6271 (while (setq id (pop ids))
6272 (when (and first (> id (cdr active)))
6273 ;; We'll end up in this situation in one particular
6274 ;; obscure situation. If you re-scan a group and get
6275 ;; a new article that is cross-posted to a different
6276 ;; group that has not been re-scanned, you might get
6277 ;; crossposted article that has a higher number than
6278 ;; Gnus believes possible. So we re-activate this
6279 ;; group as well. This might mean doing the
6280 ;; crossposting thingy will *increase* the number
6281 ;; of articles in some groups. Tsk, tsk.
6282 (setq active (or (gnus-activate-group group) active)))
6283 (when (or (> id (cdr active))
6284 (< id (car active)))
6285 (setq articles (delq id articles))))))
6286 ;; If the read list is nil, we init it.
6288 (null (gnus-info-read info))
6290 (setq ninfo (cons 1 (1- (car active))))
6291 (setq ninfo (gnus-info-read info)))
6292 ;; Then we add the read articles to the range.
6294 ninfo (setq articles (sort articles '<))))))
6296 (defun gnus-group-make-articles-read (group articles)
6297 "Update the info of GROUP to say that ARTICLES are read."
6299 (entry (gnus-group-entry group))
6300 (info (nth 2 entry))
6301 (active (gnus-active group))
6303 (gnus-method-option-p
6304 (gnus-find-method-for-group group)
6308 ;; Group that Gnus doesn't know exists, but still allow the
6309 ;; backend to set marks.
6311 (gnus-request-set-mark
6312 group (list (list (gnus-compress-sequence (sort articles #'<))
6314 ;; Normal, subscribed groups.
6315 (setq range (gnus-compute-read-articles group articles))
6316 (with-current-buffer gnus-group-buffer
6319 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6320 (gnus-info-set-read ',info ',(gnus-info-read info))
6321 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6323 (gnus-request-set-mark
6324 ,group (list (list ',range 'del '(read)))))
6325 (gnus-group-update-group ,group t))))
6326 ;; Add the read articles to the range.
6327 (gnus-info-set-read info range)
6329 (gnus-request-set-mark group (list (list range 'add '(read)))))
6330 ;; Then we have to re-compute how many unread
6331 ;; articles there are in this group.
6335 (setq num (- (1+ (cdr active)) (car active))))
6336 ((not (listp (cdr range)))
6337 (setq num (- (cdr active) (- (1+ (cdr range))
6341 (if (numberp (car range))
6343 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6344 (setq range (cdr range)))
6345 (setq num (- (cdr active) num))))
6346 ;; Update the number of unread articles.
6348 ;; Update the group buffer.
6349 (unless (gnus-ephemeral-group-p group)
6350 (gnus-group-update-group group t))))))
6352 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6353 (let ((cur nntp-server-buffer)
6356 (with-current-buffer gnus-summary-buffer
6357 gnus-newsgroup-dependencies)))
6358 headers id end ref number
6359 (mail-parse-charset gnus-newsgroup-charset)
6360 (mail-parse-ignored-charsets
6361 (save-current-buffer (condition-case nil
6362 (set-buffer gnus-summary-buffer)
6364 gnus-newsgroup-ignored-charsets)))
6365 (with-current-buffer nntp-server-buffer
6366 ;; Translate all TAB characters into SPACE characters.
6367 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6368 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6369 (ietf-drums-unfold-fws)
6370 (gnus-run-hooks 'gnus-parse-headers-hook)
6371 (let ((case-fold-search t)
6372 in-reply-to header p lines chars)
6373 (goto-char (point-min))
6374 ;; Search to the beginning of the next header. Error messages
6375 ;; do not begin with 2 or 3.
6376 (while (re-search-forward "^[23][0-9]+ " nil t)
6379 ;; This implementation of this function, with nine
6380 ;; search-forwards instead of the one re-search-forward and
6381 ;; a case (which basically was the old function) is actually
6382 ;; about twice as fast, even though it looks messier. You
6383 ;; can't have everything, I guess. Speed and elegance
6384 ;; doesn't always go hand in hand.
6390 (setq number (read cur))
6393 (narrow-to-region (point)
6394 (or (and (search-forward "\n.\n" nil t)
6400 (if (search-forward "\nsubject:" nil t)
6401 (funcall gnus-decode-encoded-word-function
6402 (nnheader-header-value))
6407 (if (search-forward "\nfrom:" nil t)
6408 (funcall gnus-decode-encoded-address-function
6409 (nnheader-header-value))
6414 (if (search-forward "\ndate:" nil t)
6415 (nnheader-header-value) ""))
6419 (setq id (if (re-search-forward
6420 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6421 ;; We do it this way to make sure the Message-ID
6422 ;; is (somewhat) syntactically valid.
6423 (buffer-substring (match-beginning 1)
6425 ;; If there was no message-id, we just fake one
6426 ;; to make subsequent routines simpler.
6427 (nnheader-generate-fake-message-id number))))
6431 (if (search-forward "\nreferences:" nil t)
6435 (nnheader-header-value)
6440 (search-backward ">" end t)
6443 (search-backward "<" end t)
6445 ;; Get the references from the in-reply-to header if there
6446 ;; were no references and the in-reply-to header looks
6448 (if (and (search-forward "\nin-reply-to:" nil t)
6449 (setq in-reply-to (nnheader-header-value))
6450 (string-match "<[^>]+>" in-reply-to))
6452 (setq ref (substring in-reply-to (match-beginning 0)
6454 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6455 (setq ref2 (substring in-reply-to (match-beginning 0)
6457 (when (> (length ref2) (length ref))
6464 (if (search-forward "\nchars: " nil t)
6465 (if (numberp (setq chars (ignore-errors (read cur))))
6471 (if (search-forward "\nlines: " nil t)
6472 (if (numberp (setq lines (ignore-errors (read cur))))
6478 (and (search-forward "\nxref:" nil t)
6479 (nnheader-header-value)))
6481 (when gnus-extra-headers
6482 (let ((extra gnus-extra-headers)
6486 (when (search-forward
6487 (concat "\n" (symbol-name (car extra)) ":") nil t)
6488 (push (cons (car extra) (nnheader-header-value))
6492 (when (equal id ref)
6495 (when gnus-alter-header-function
6496 (funcall gnus-alter-header-function header)
6497 (setq id (mail-header-id header)
6498 ref (gnus-parent-id (mail-header-references header))))
6501 (gnus-dependencies-add-header
6502 header dependencies force-new))
6503 (push header headers))
6504 (goto-char (point-max))
6506 (nreverse headers)))))
6508 ;; Goes through the xover lines and returns a list of vectors
6509 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6510 force-new dependencies
6511 group also-fetch-heads)
6512 "Parse the news overview data in the server buffer.
6513 Return a list of headers that match SEQUENCE (see
6514 `nntp-retrieve-headers')."
6515 ;; Get the Xref when the users reads the articles since most/some
6516 ;; NNTP servers do not include Xrefs when using XOVER.
6517 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6518 (let ((mail-parse-charset gnus-newsgroup-charset)
6519 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6520 (cur nntp-server-buffer)
6521 (dependencies (or dependencies gnus-newsgroup-dependencies))
6523 ((eq gnus-read-all-available-headers t)
6525 ((and (stringp gnus-read-all-available-headers)
6527 (string-match gnus-read-all-available-headers group))
6530 number headers header)
6531 (with-current-buffer nntp-server-buffer
6532 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6533 ;; Allow the user to mangle the headers before parsing them.
6534 (gnus-run-hooks 'gnus-parse-headers-hook)
6535 (goto-char (point-min))
6536 (gnus-parse-without-error
6537 (while (and (or sequence allp)
6539 (setq number (read cur))
6541 (while (and sequence
6542 (< (car sequence) number))
6543 (setq sequence (cdr sequence))))
6546 (eq number (car sequence))))
6548 (setq sequence (cdr sequence))
6549 (setq header (inline
6550 (gnus-nov-parse-line
6551 number dependencies force-new)))))
6552 (push header headers))
6554 ;; A common bug in inn is that if you have posted an article and
6555 ;; then retrieves the active file, it will answer correctly --
6556 ;; the new article is included. However, a NOV entry for the
6557 ;; article may not have been generated yet, so this may fail.
6558 ;; We work around this problem by retrieving the last few
6559 ;; headers using HEAD.
6560 (if (or (not also-fetch-heads)
6562 ;; We (probably) got all the headers.
6564 (let ((gnus-nov-is-evil t))
6567 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6568 (gnus-get-newsgroup-headers))))))))
6570 (defun gnus-article-get-xrefs ()
6571 "Fill in the Xref value in `gnus-current-headers', if necessary.
6572 This is meant to be called in `gnus-article-internal-prepare-hook'."
6573 (let ((headers (with-current-buffer gnus-summary-buffer
6574 gnus-current-headers)))
6575 (or (not gnus-use-cross-reference)
6577 (and (mail-header-xref headers)
6578 (not (string= (mail-header-xref headers) "")))
6579 (let ((case-fold-search t)
6582 (nnheader-narrow-to-headers)
6583 (goto-char (point-min))
6584 (when (or (and (not (eobp))
6585 (eq (downcase (char-after)) ?x)
6586 (looking-at "Xref:"))
6587 (search-forward "\nXref:" nil t))
6588 (goto-char (1+ (match-end 0)))
6589 (setq xref (buffer-substring (point) (point-at-eol)))
6590 (mail-header-set-xref headers xref)))))))
6592 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6593 "Find article ID and insert the summary line for that article.
6594 OLD-HEADER can either be a header or a line number to insert
6595 the subject line on.
6596 If USE-OLD-HEADER is non-nil, then OLD-HEADER should be a header,
6597 and OLD-HEADER will be used when the summary line is inserted,
6598 too, instead of trying to fetch new headers."
6599 (let* ((line (and (numberp old-header) old-header))
6600 (old-header (and (vectorp old-header) old-header))
6601 (header (cond ((and old-header use-old-header)
6604 (gnus-number-to-header id))
6605 (gnus-number-to-header id))
6607 (gnus-read-header id))))
6608 (number (and (numberp id) id))
6611 ;; Rebuild the thread that this article is part of and go to the
6612 ;; article we have fetched.
6613 (when (and (not gnus-show-threads)
6616 (setq d (gnus-data-find (mail-header-number old-header))))
6617 (goto-char (gnus-data-pos d))
6623 (gnus-delete-line))))))
6624 ;; Remove list identifiers from subject.
6625 (let ((gnus-newsgroup-headers (list header)))
6626 (gnus-summary-remove-list-identifiers))
6628 (mail-header-set-number header (mail-header-number old-header)))
6629 (setq gnus-newsgroup-sparse
6630 (delq (setq number (mail-header-number header))
6631 gnus-newsgroup-sparse))
6632 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6633 (push number gnus-newsgroup-limit)
6634 (gnus-rebuild-thread (mail-header-id header) line)
6635 (gnus-summary-goto-subject number nil t))
6636 (when (and (numberp number)
6638 ;; We have to update the boundaries even if we can't fetch the
6639 ;; article if ID is a number -- so that the next `P' or `N'
6640 ;; command will fetch the previous (or next) article even
6641 ;; if the one we tried to fetch this time has been canceled.
6642 (unless (and gnus-newsgroup-end (< number gnus-newsgroup-end))
6643 (setq gnus-newsgroup-end number))
6644 (unless (and gnus-newsgroup-begin (> number gnus-newsgroup-begin))
6645 (setq gnus-newsgroup-begin number))
6646 (setq gnus-newsgroup-unselected
6647 (delq number gnus-newsgroup-unselected)))
6648 ;; Report back a success?
6649 (and header (mail-header-number header))))
6651 ;;; Process/prefix in the summary buffer
6653 (defun gnus-summary-work-articles (n)
6654 "Return a list of articles to be worked upon.
6655 The prefix argument, the list of process marked articles, and the
6656 current article will be taken into consideration."
6657 (with-current-buffer gnus-summary-buffer
6660 ;; A numerical prefix has been given.
6661 (setq n (prefix-numeric-value n))
6662 (let ((backward (< n 0))
6663 (n (abs (prefix-numeric-value n)))
6668 (push (setq article (gnus-summary-article-number))
6671 (gnus-summary-find-prev nil article)
6672 (gnus-summary-find-next nil article)))
6674 (nreverse articles)))
6675 ((and (gnus-region-active-p) (mark))
6676 (message "region active")
6677 ;; Work on the region between point and mark.
6678 (let ((max (max (point) (mark)))
6681 (goto-char (min (point) (mark)))
6684 (push (setq article (gnus-summary-article-number)) articles)
6685 (gnus-summary-find-next nil article)
6687 (nreverse articles))))
6688 (gnus-newsgroup-processable
6689 ;; There are process-marked articles present.
6690 ;; Save current state.
6691 (gnus-summary-save-process-mark)
6693 (reverse gnus-newsgroup-processable))
6695 ;; Just return the current article.
6696 (list (gnus-summary-article-number))))))
6698 (defmacro gnus-summary-iterate (arg &rest forms)
6699 "Iterate over the process/prefixed articles and do FORMS.
6700 ARG is the interactive prefix given to the command. FORMS will be
6701 executed with point over the summary line of the articles."
6702 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6703 `(let ((,articles (gnus-summary-work-articles ,arg)))
6705 (gnus-summary-goto-subject (car ,articles))
6709 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6710 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6712 (defun gnus-summary-save-process-mark ()
6713 "Push the current set of process marked articles on the stack."
6715 (push (copy-sequence gnus-newsgroup-processable)
6716 gnus-newsgroup-process-stack))
6718 (defun gnus-summary-kill-process-mark ()
6719 "Push the current set of process marked articles on the stack and unmark."
6721 (gnus-summary-save-process-mark)
6722 (gnus-summary-unmark-all-processable))
6724 (defun gnus-summary-yank-process-mark ()
6725 "Pop the last process mark state off the stack and restore it."
6727 (unless gnus-newsgroup-process-stack
6728 (error "Empty mark stack"))
6729 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6731 (defun gnus-summary-process-mark-set (set)
6732 "Make SET into the current process marked articles."
6733 (gnus-summary-unmark-all-processable)
6734 (mapc 'gnus-summary-set-process-mark set))
6736 ;;; Searching and stuff
6738 (defun gnus-summary-search-group (&optional backward use-level)
6739 "Search for next unread newsgroup.
6740 If optional argument BACKWARD is non-nil, search backward instead."
6741 (with-current-buffer gnus-group-buffer
6742 (when (gnus-group-search-forward
6743 backward nil (if use-level (gnus-group-group-level) nil))
6744 (gnus-group-group-name))))
6746 (defun gnus-summary-best-group (&optional exclude-group)
6747 "Find the name of the best unread group.
6748 If EXCLUDE-GROUP, do not go to this group."
6749 (with-current-buffer gnus-group-buffer
6751 (gnus-group-best-unread-group exclude-group))))
6753 (defun gnus-summary-find-next (&optional unread article backward)
6755 (gnus-summary-find-prev unread article)
6756 (let* ((dummy (gnus-summary-article-intangible-p))
6757 (article (or article (gnus-summary-article-number)))
6758 (data (gnus-data-find-list article))
6760 (when (and (not dummy)
6761 (or (not gnus-summary-check-current)
6763 (not (gnus-data-unread-p (car data)))))
6764 (setq data (cdr data)))
6769 (unless (memq (gnus-data-number (car data))
6771 ((eq gnus-auto-goto-ignores
6772 'always-undownloaded)
6773 gnus-newsgroup-undownloaded)
6776 ((eq gnus-auto-goto-ignores
6778 gnus-newsgroup-unfetched)
6779 ((eq gnus-auto-goto-ignores
6781 gnus-newsgroup-undownloaded)))
6782 (when (gnus-data-unread-p (car data))
6783 (setq result (car data)
6785 (setq data (cdr data)))
6788 (goto-char (gnus-data-pos result))
6789 (gnus-data-number result)))))
6791 (defun gnus-summary-find-prev (&optional unread article)
6792 (let* ((eobp (eobp))
6793 (article (or article (gnus-summary-article-number)))
6794 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6796 (when (and (not eobp)
6797 (or (not gnus-summary-check-current)
6799 (not (gnus-data-unread-p (car data)))))
6800 (setq data (cdr data)))
6805 (unless (memq (gnus-data-number (car data))
6807 ((eq gnus-auto-goto-ignores
6808 'always-undownloaded)
6809 gnus-newsgroup-undownloaded)
6812 ((eq gnus-auto-goto-ignores
6814 gnus-newsgroup-unfetched)
6815 ((eq gnus-auto-goto-ignores
6817 gnus-newsgroup-undownloaded)))
6818 (when (gnus-data-unread-p (car data))
6819 (setq result (car data)
6821 (setq data (cdr data)))
6824 (goto-char (gnus-data-pos result))
6825 (gnus-data-number result))))
6827 (defun gnus-summary-find-subject (subject &optional unread backward article)
6828 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6829 (article (or article (gnus-summary-article-number)))
6830 (articles (gnus-data-list backward))
6831 (arts (gnus-data-find-list article articles))
6833 (when (or (not gnus-summary-check-current)
6835 (not (gnus-data-unread-p (car arts))))
6836 (setq arts (cdr arts)))
6838 (and (or (not unread)
6839 (gnus-data-unread-p (car arts)))
6840 (vectorp (gnus-data-header (car arts)))
6842 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6843 (setq result (car arts)
6845 (setq arts (cdr arts)))
6847 (goto-char (gnus-data-pos result))
6848 (gnus-data-number result))))
6850 (defun gnus-summary-search-forward (&optional unread subject backward)
6851 "Search forward for an article.
6852 If UNREAD, look for unread articles. If SUBJECT, look for
6853 articles with that subject. If BACKWARD, search backward instead."
6854 (cond (subject (gnus-summary-find-subject subject unread backward))
6855 (backward (gnus-summary-find-prev unread))
6856 (t (gnus-summary-find-next unread))))
6858 (defun gnus-recenter (&optional n)
6859 "Center point in window and redisplay frame.
6860 Also do horizontal recentering."
6862 (when (and gnus-auto-center-summary
6863 (not (eq gnus-auto-center-summary 'vertical)))
6864 (gnus-horizontal-recenter))
6865 (if (fboundp 'recenter-top-bottom)
6866 (recenter-top-bottom n)
6869 (put 'gnus-recenter 'isearch-scroll t)
6871 (defun gnus-forward-line-ignore-invisible (n)
6872 "Move N lines forward (backward if N is negative).
6873 Like forward-line, but skip over (and don't count) invisible lines."
6875 (while (and (> n 0) (not done))
6876 ;; If the following character is currently invisible,
6877 ;; skip all characters with that same `invisible' property value.
6878 (while (gnus-invisible-p (point))
6879 (goto-char (gnus-next-char-property-change (point))))
6884 (while (and (< n 0) (not done))
6886 (if (bobp) (setq done t)
6888 (while (and (not (bobp)) (gnus-invisible-p (1- (point))))
6889 (goto-char (gnus-previous-char-property-change (point))))))))
6891 (defun gnus-summary-recenter ()
6892 "Center point in the summary window.
6893 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6894 displayed, no centering will be performed."
6895 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6896 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6898 ;; The user has to want it.
6899 (when gnus-auto-center-summary
6900 (let* ((top (cond ((< (window-height) 4) 0)
6901 ((< (window-height) 7) 1)
6902 (t (if (numberp gnus-auto-center-summary)
6903 gnus-auto-center-summary
6904 (/ (1- (window-height)) 2)))))
6905 (height (1- (window-height)))
6906 (bottom (save-excursion
6907 (goto-char (point-max))
6908 (gnus-forward-line-ignore-invisible (- height))
6910 (window (get-buffer-window (current-buffer))))
6911 (when (get-buffer-window gnus-article-buffer)
6912 ;; Only do recentering when the article buffer is displayed,
6913 ;; Set the window start to either `bottom', which is the biggest
6914 ;; possible valid number, or the second line from the top,
6915 ;; whichever is the least.
6916 (let ((top-pos (save-excursion
6917 (gnus-forward-line-ignore-invisible (- top))
6919 (if (> bottom top-pos)
6920 ;; Keep the second line from the top visible
6921 (set-window-start window top-pos)
6922 ;; Try to keep the bottom line visible; if it's partially
6923 ;; obscured, either scroll one more line to make it fully
6924 ;; visible, or revert to using TOP-POS.
6926 (goto-char (point-max))
6927 (gnus-forward-line-ignore-invisible -1)
6928 (let ((last-line-start (point)))
6930 (set-window-start window (point) t)
6931 (when (not (pos-visible-in-window-p last-line-start window))
6932 (gnus-forward-line-ignore-invisible 1)
6933 (set-window-start window (min (point) top-pos) t)))))))
6934 ;; Do horizontal recentering while we're at it.
6935 (when (and (get-buffer-window (current-buffer) t)
6936 (not (eq gnus-auto-center-summary 'vertical)))
6937 (let ((selected (selected-window)))
6938 (select-window (get-buffer-window (current-buffer) t))
6939 (gnus-summary-position-point)
6940 (gnus-horizontal-recenter)
6941 (select-window selected))))))
6943 (defun gnus-summary-jump-to-group (newsgroup)
6944 "Move point to NEWSGROUP in group mode buffer."
6945 ;; Keep update point of group mode buffer if visible.
6946 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6947 (save-window-excursion
6948 ;; Take care of tree window mode.
6949 (when (get-buffer-window gnus-group-buffer)
6950 (pop-to-buffer gnus-group-buffer))
6951 (gnus-group-jump-to-group newsgroup))
6953 ;; Take care of tree window mode.
6954 (if (get-buffer-window gnus-group-buffer 0)
6955 (pop-to-buffer gnus-group-buffer)
6956 (set-buffer gnus-group-buffer))
6957 (gnus-group-jump-to-group newsgroup))))
6959 ;; This function returns a list of article numbers based on the
6960 ;; difference between the ranges of read articles in this group and
6961 ;; the range of active articles.
6962 (defun gnus-list-of-unread-articles (group)
6963 (let* ((read (gnus-info-read (gnus-get-info group)))
6964 (active (or (gnus-active group) (gnus-activate-group group)))
6965 (last (or (cdr active)
6966 (error "Group %s couldn't be activated " group)))
6967 (bottom (if gnus-newsgroup-maximum-articles
6969 (- last gnus-newsgroup-maximum-articles -1))
6972 ;; If none are read, then all are unread.
6975 ;; If the range of read articles is a single range, then the
6976 ;; first unread article is the article after the last read
6977 ;; article. Sounds logical, doesn't it?
6978 (if (and (not (listp (cdr read)))
6979 (or (< (car read) bottom)
6980 (progn (setq read (list read))
6982 (setq first (max bottom (1+ (cdr read))))
6983 ;; `read' is a list of ranges.
6984 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6987 (setq first bottom))
6990 (while (< first nlast)
6991 (setq unread (cons first unread)
6993 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6994 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6995 (setq read (cdr read)))))
6996 ;; And add the last unread articles.
6997 (while (<= first last)
6998 (setq unread (cons first unread)
7000 ;; Return the list of unread articles.
7001 (delq 0 (nreverse unread))))
7003 (defun gnus-list-of-read-articles (group)
7004 "Return a list of unread, unticked and non-dormant articles."
7005 (let* ((info (gnus-get-info group))
7006 (marked (gnus-info-marks info))
7007 (active (gnus-active group)))
7009 (gnus-list-range-difference
7010 (gnus-list-range-difference
7011 (gnus-sorted-complement
7012 (gnus-uncompress-range
7013 (if gnus-newsgroup-maximum-articles
7014 (cons (max (car active)
7016 gnus-newsgroup-maximum-articles
7020 (gnus-list-of-unread-articles group))
7021 (cdr (assq 'dormant marked)))
7022 (cdr (assq 'tick marked))))))
7024 ;; This function returns a sequence of article numbers based on the
7025 ;; difference between the ranges of read articles in this group and
7026 ;; the range of active articles.
7027 (defun gnus-sequence-of-unread-articles (group)
7028 (let* ((read (gnus-info-read (gnus-get-info group)))
7029 (active (or (gnus-active group) (gnus-activate-group group)))
7031 (bottom (if gnus-newsgroup-maximum-articles
7033 (- last gnus-newsgroup-maximum-articles -1))
7036 ;; If none are read, then all are unread.
7039 ;; If the range of read articles is a single range, then the
7040 ;; first unread article is the article after the last read
7041 ;; article. Sounds logical, doesn't it?
7042 (if (and (not (listp (cdr read)))
7043 (or (< (car read) bottom)
7044 (progn (setq read (list read))
7046 (setq first (max bottom (1+ (cdr read))))
7047 ;; `read' is a list of ranges.
7048 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
7051 (setq first bottom))
7054 (push (cons first nlast) unread))
7055 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
7056 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
7057 (setq read (cdr read)))))
7058 ;; And add the last unread articles.
7059 (cond ((not (and first last))
7062 (push (cons first last) unread))
7064 (push first unread)))
7065 ;; Return the sequence of unread articles.
7066 (delq 0 (nreverse unread))))
7068 ;; Various summary commands
7070 (defun gnus-summary-select-article-buffer ()
7071 "Reconfigure windows to show the article buffer.
7072 If `gnus-widen-article-window' is set, show only the article
7075 (if (not (gnus-buffer-live-p gnus-article-buffer))
7076 (error "There is no article buffer for this summary buffer")
7077 (unless (get-buffer-window gnus-article-buffer)
7078 (gnus-summary-show-article))
7079 (gnus-configure-windows
7080 (if gnus-widen-article-window
7084 (select-window (get-buffer-window gnus-article-buffer))))
7086 (defun gnus-summary-universal-argument (arg)
7087 "Perform any operation on all articles that are process/prefixed."
7089 (let ((articles (gnus-summary-work-articles arg))
7096 (substitute-command-keys
7097 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
7099 (gnus-error 1 "Undefined key")
7102 (gnus-summary-goto-subject (setq article (pop articles)))
7103 (let (gnus-newsgroup-processable)
7104 (command-execute func))
7105 (gnus-summary-remove-process-mark article)))))
7106 (gnus-summary-position-point))
7108 (defun gnus-summary-toggle-truncation (&optional arg)
7109 "Toggle truncation of summary lines.
7110 With ARG, turn line truncation on if ARG is positive."
7112 (setq truncate-lines
7113 (if (null arg) (not truncate-lines)
7114 (> (prefix-numeric-value arg) 0)))
7117 (defun gnus-summary-find-for-reselect ()
7118 "Return the number of an article to stay on across a reselect.
7119 The current article is considered, then following articles, then previous
7120 articles. An article is sought which is not canceled and isn't a temporary
7121 insertion from another group. If there's no such then return a dummy 0."
7123 (dolist (rev '(nil t))
7124 (unless found ; don't demand the reverse list if we don't need it
7125 (let ((data (gnus-data-find-list
7126 (gnus-summary-article-number) (gnus-data-list rev))))
7127 (while (and data (not found))
7128 (if (and (< 0 (gnus-data-number (car data)))
7129 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
7130 (setq found (gnus-data-number (car data))))
7131 (setq data (cdr data))))))
7134 (defun gnus-summary-reselect-current-group (&optional all rescan)
7135 "Exit and then reselect the current newsgroup.
7136 The prefix argument ALL means to select all articles."
7138 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
7139 (error "Ephemeral groups can't be reselected"))
7140 (let ((current-subject (gnus-summary-find-for-reselect))
7141 (group gnus-newsgroup-name))
7142 (setq gnus-newsgroup-begin nil)
7143 (gnus-summary-exit nil 'leave-hidden)
7144 ;; We have to adjust the point of group mode buffer because
7145 ;; point was moved to the next unread newsgroup by exiting.
7146 (gnus-summary-jump-to-group group)
7149 (gnus-group-get-new-news-this-group 1)))
7150 (gnus-group-read-group all t)
7151 (gnus-summary-goto-subject current-subject nil t)))
7153 (defun gnus-summary-rescan-group (&optional all)
7154 "Exit the newsgroup, ask for new articles, and select the newsgroup."
7156 (let ((config gnus-current-window-configuration))
7157 (gnus-summary-reselect-current-group all t)
7158 (gnus-configure-windows config)
7159 (when (eq config 'article)
7160 (gnus-summary-select-article))))
7162 (defun gnus-summary-update-info (&optional non-destructive)
7164 (let ((group gnus-newsgroup-name))
7166 (when gnus-newsgroup-kill-headers
7167 (setq gnus-newsgroup-killed
7168 (gnus-compress-sequence
7170 (gnus-list-range-intersection
7171 gnus-newsgroup-unselected gnus-newsgroup-killed)
7172 gnus-newsgroup-unreads)
7174 (unless (listp (cdr gnus-newsgroup-killed))
7175 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
7176 (let ((headers gnus-newsgroup-headers)
7177 (ephemeral-p (gnus-ephemeral-group-p group))
7180 (setq info (copy-sequence (gnus-get-info group))
7181 info (delq (gnus-info-params info) info)))
7182 ;; Set the new ranges of read articles.
7183 (with-current-buffer gnus-group-buffer
7184 (gnus-undo-force-boundary))
7185 (gnus-update-read-articles
7186 group (gnus-sorted-union
7187 gnus-newsgroup-unreads gnus-newsgroup-unselected))
7188 ;; Set the current article marks.
7189 (let ((gnus-newsgroup-scored
7190 (if (and (not gnus-save-score)
7191 (not non-destructive))
7193 gnus-newsgroup-scored)))
7195 (gnus-update-marks)))
7196 ;; Do the cross-ref thing.
7197 (when gnus-use-cross-reference
7198 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
7199 ;; Do not switch windows but change the buffer to work.
7200 (set-buffer gnus-group-buffer)
7202 (gnus-group-update-group
7205 (setq info (copy-sequence (gnus-get-info group))
7206 info (delq (gnus-info-params info) info))))))))))
7208 (defun gnus-summary-save-newsrc (&optional force)
7209 "Save the current number of read/marked articles in the dribble buffer.
7210 The dribble buffer will then be saved.
7211 If FORCE (the prefix), also save the .newsrc file(s)."
7213 (gnus-summary-update-info t)
7215 (gnus-save-newsrc-file)
7216 (gnus-dribble-save)))
7218 (declare-function gnus-cache-write-active "gnus-cache" (&optional force))
7219 (declare-function gnus-article-stop-animations "gnus-art" ())
7221 (defun gnus-summary-exit (&optional temporary leave-hidden)
7222 "Exit reading current newsgroup, and then return to group selection mode.
7223 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
7225 (gnus-set-global-variables)
7226 (when (gnus-buffer-live-p gnus-article-buffer)
7227 (with-current-buffer gnus-article-buffer
7228 (mm-destroy-parts gnus-article-mime-handles)
7229 ;; Set it to nil for safety reason.
7230 (setq gnus-article-mime-handle-alist nil)
7231 (setq gnus-article-mime-handles nil)))
7232 (gnus-kill-save-kill-buffer)
7233 (gnus-async-halt-prefetch)
7234 (let* ((group gnus-newsgroup-name)
7235 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
7236 (gnus-group-is-exiting-p t)
7237 (article-buffer gnus-article-buffer)
7238 (original-article-buffer gnus-original-article-buffer)
7241 (buf (current-buffer))
7242 ;; `gnus-single-article-buffer' is nil buffer-locally in
7243 ;; ephemeral group of which summary buffer will be killed,
7244 ;; but the global value may be non-nil.
7245 (single-article-buffer gnus-single-article-buffer))
7247 ;; Do adaptive scoring, and possibly save score files.
7248 (when gnus-newsgroup-adaptive
7249 (gnus-score-adaptive))
7250 (when gnus-use-scoring
7252 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
7253 (when gnus-use-cache
7254 (gnus-cache-possibly-remove-articles)
7255 (gnus-cache-save-buffers))
7256 (gnus-async-prefetch-remove-group group)
7257 (when gnus-suppress-duplicates
7258 (gnus-dup-enter-articles))
7259 (when gnus-use-trees
7261 (when gnus-use-cache
7262 (gnus-cache-write-active))
7263 ;; Remove entries for this group.
7264 (nnmail-purge-split-history (gnus-group-real-name group))
7265 ;; Make all changes in this group permanent.
7267 (gnus-run-hooks 'gnus-exit-group-hook)
7268 (gnus-summary-update-info))
7269 (gnus-close-group group)
7270 ;; Make sure where we were, and go to next newsgroup.
7271 (when (buffer-live-p (get-buffer gnus-group-buffer))
7272 (set-buffer gnus-group-buffer))
7274 (gnus-group-jump-to-group group))
7275 (gnus-run-hooks 'gnus-summary-exit-hook)
7276 (unless (or quit-config
7277 (not gnus-summary-next-group-on-exit)
7278 ;; If this group has disappeared from the summary
7279 ;; buffer, don't skip forwards.
7280 (not (string= group (gnus-group-group-name))))
7281 (gnus-group-next-unread-group 1))
7282 (setq group-point (point))
7283 (gnus-article-stop-animations)
7287 (if (not gnus-kill-summary-on-exit)
7289 (gnus-deaden-summary)
7291 (when (get-buffer gnus-article-buffer)
7292 (bury-buffer gnus-article-buffer))
7293 ;; Return to group mode buffer.
7294 (when (eq mode 'gnus-summary-mode)
7295 (gnus-kill-buffer buf)))
7297 (setq gnus-current-select-method gnus-select-method)
7298 (when (gnus-buffer-live-p gnus-group-buffer)
7299 (set-buffer gnus-group-buffer))
7301 (gnus-handle-ephemeral-exit quit-config)
7302 (goto-char group-point)
7303 ;; If gnus-group-buffer is already displayed, make sure we also move
7304 ;; the cursor in the window that displays it.
7305 (let ((win (get-buffer-window (current-buffer) 0)))
7306 (if win (set-window-point win (point))))
7307 (unless leave-hidden
7308 (gnus-configure-windows 'group 'force)))
7310 ;; If we have several article buffers, we kill them at exit.
7311 (unless single-article-buffer
7312 (when (gnus-buffer-live-p article-buffer)
7313 (with-current-buffer article-buffer
7314 ;; Don't kill sticky article buffers
7315 (unless (eq major-mode 'gnus-sticky-article-mode)
7316 (gnus-kill-buffer article-buffer)
7317 (setq gnus-article-current nil))))
7318 (gnus-kill-buffer original-article-buffer))
7320 ;; Clear the current group name.
7322 (setq gnus-newsgroup-name nil)))))
7324 (declare-function gnus-stop-downloads "gnus-art" ())
7326 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7327 (defun gnus-summary-exit-no-update (&optional no-questions)
7328 "Quit reading current newsgroup without updating read article info."
7330 (let* ((group gnus-newsgroup-name)
7331 (gnus-group-is-exiting-p t)
7332 (gnus-group-is-exiting-without-update-p t)
7333 (quit-config (gnus-group-quit-config group)))
7334 (when (or no-questions
7336 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7337 (gnus-async-halt-prefetch)
7338 (run-hooks 'gnus-summary-prepare-exit-hook)
7339 (when (gnus-buffer-live-p gnus-article-buffer)
7340 (with-current-buffer gnus-article-buffer
7341 (gnus-article-stop-animations)
7342 (gnus-stop-downloads)
7343 (mm-destroy-parts gnus-article-mime-handles)
7344 ;; Set it to nil for safety reason.
7345 (setq gnus-article-mime-handle-alist nil)
7346 (setq gnus-article-mime-handles nil)))
7347 ;; If we have several article buffers, we kill them at exit.
7348 (unless gnus-single-article-buffer
7349 (gnus-kill-buffer gnus-article-buffer)
7350 (gnus-kill-buffer gnus-original-article-buffer)
7351 (setq gnus-article-current nil))
7352 ;; Return to the group buffer.
7353 (if (not gnus-kill-summary-on-exit)
7355 (gnus-deaden-summary)
7356 (gnus-configure-windows 'group 'force))
7357 (gnus-configure-windows 'group 'force)
7358 (gnus-close-group group)
7359 (gnus-kill-buffer gnus-summary-buffer))
7360 (unless gnus-single-article-buffer
7361 (setq gnus-article-current nil))
7362 (when gnus-use-trees
7364 (gnus-async-prefetch-remove-group group)
7365 (when (get-buffer gnus-article-buffer)
7366 (bury-buffer gnus-article-buffer))
7367 ;; Clear the current group name.
7368 (setq gnus-newsgroup-name nil)
7369 (unless (gnus-ephemeral-group-p group)
7370 (gnus-group-update-group group nil t))
7371 (when (equal (gnus-group-group-name) group)
7372 (gnus-group-next-unread-group 1))
7373 (gnus-article-stop-animations)
7375 (gnus-handle-ephemeral-exit quit-config)))))
7377 (defun gnus-handle-ephemeral-exit (quit-config)
7378 "Handle movement when leaving an ephemeral group.
7379 The state which existed when entering the ephemeral is reset."
7380 (if (not (buffer-live-p (car quit-config)))
7381 (when (gnus-buffer-live-p gnus-group-buffer)
7382 (gnus-configure-windows 'group 'force))
7383 (set-buffer (car quit-config))
7384 (unless (eq (cdr quit-config) 'group)
7385 (setq gnus-current-select-method
7386 (gnus-find-method-for-group gnus-newsgroup-name)))
7387 (cond ((derived-mode-p 'gnus-summary-mode)
7388 (gnus-set-global-variables))
7389 ((derived-mode-p 'gnus-article-mode)
7390 (save-current-buffer
7391 ;; The `gnus-summary-buffer' variable may point
7392 ;; to the old summary buffer when using a single
7394 (unless (gnus-buffer-live-p gnus-summary-buffer)
7395 (set-buffer gnus-group-buffer))
7396 (set-buffer gnus-summary-buffer)
7397 (gnus-set-global-variables))))
7398 (if (or (eq (cdr quit-config) 'article)
7399 (eq (cdr quit-config) 'pick))
7400 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7401 (gnus-configure-windows 'pick 'force)
7402 (gnus-configure-windows (cdr quit-config) 'force))
7403 (gnus-configure-windows (cdr quit-config) 'force))
7404 (when (derived-mode-p 'gnus-summary-mode)
7405 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7406 next-unread-noselect))
7407 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7409 (gnus-summary-next-subject 1 nil t))
7410 ((eq gnus-auto-select-on-ephemeral-exit
7411 'next-unread-noselect)
7412 (gnus-summary-next-subject 1 t t))))
7413 ;; Hide the article buffer which displays the article different
7414 ;; from the one that the cursor points to in the summary buffer.
7415 (gnus-configure-windows 'summary 'force))
7416 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7417 (gnus-summary-next-subject 1))
7418 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7419 (gnus-summary-next-subject 1 t))))
7420 (gnus-summary-recenter)
7421 (gnus-summary-position-point))))
7425 (defvar gnus-dead-summary-mode-map
7426 (let ((map (make-keymap)))
7427 (suppress-keymap map)
7428 (substitute-key-definition 'undefined 'gnus-summary-wake-up-the-dead map)
7429 (dolist (key '("\C-d" "\r" "\177" [delete]))
7430 (define-key map key 'gnus-summary-wake-up-the-dead))
7431 (dolist (key '("q" "Q"))
7432 (define-key map key 'bury-buffer))
7435 (define-minor-mode gnus-dead-summary-mode
7436 "Minor mode for Gnus summary buffers."
7437 :lighter " Dead" :keymap gnus-dead-summary-mode-map
7438 (unless (derived-mode-p 'gnus-summary-mode)
7439 (setq gnus-dead-summary-mode nil)))
7441 (defun gnus-deaden-summary ()
7442 "Make the current summary buffer into a dead summary buffer."
7443 ;; Kill any previous dead summary buffer.
7444 (when (and gnus-dead-summary
7445 (buffer-name gnus-dead-summary))
7446 (with-current-buffer gnus-dead-summary
7447 (when gnus-dead-summary-mode
7448 (kill-buffer (current-buffer)))))
7449 ;; Make this the current dead summary.
7450 (setq gnus-dead-summary (current-buffer))
7451 (gnus-dead-summary-mode 1)
7452 (let ((name (buffer-name)))
7453 (when (string-match "Summary" name)
7455 (concat (substring name 0 (match-beginning 0)) "Dead "
7456 (substring name (match-beginning 0)))
7460 (defun gnus-kill-or-deaden-summary (buffer)
7461 "Kill or deaden the summary BUFFER."
7463 (when (and (buffer-name buffer)
7464 (not gnus-single-article-buffer))
7465 (with-current-buffer buffer
7466 (gnus-kill-buffer gnus-article-buffer)
7467 (gnus-kill-buffer gnus-original-article-buffer)))
7470 (gnus-kill-summary-on-exit
7471 (when (and gnus-use-trees
7472 (gnus-buffer-exists-p buffer))
7473 (with-current-buffer buffer
7475 (gnus-kill-buffer buffer))
7476 ;; Deaden the buffer.
7477 ((gnus-buffer-exists-p buffer)
7478 (with-current-buffer buffer
7479 (gnus-deaden-summary))))))
7481 (defun gnus-summary-wake-up-the-dead (&rest args)
7482 "Wake up the dead summary buffer."
7484 (gnus-dead-summary-mode -1)
7485 (let ((name (buffer-name)))
7486 (when (string-match "Dead " name)
7488 (concat (substring name 0 (match-beginning 0))
7489 (substring name (match-end 0)))
7491 (gnus-message 3 "This dead summary is now alive again"))
7493 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7494 (defun gnus-summary-describe-group (&optional force)
7495 "Describe the current newsgroup."
7497 (gnus-group-describe-group force gnus-newsgroup-name))
7499 (defun gnus-summary-describe-briefly ()
7500 "Describe summary mode commands briefly."
7502 (gnus-message 6 "%s" (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")))
7504 ;; Walking around group mode buffer from summary mode.
7506 (defun gnus-summary-next-group (&optional no-article target-group backward)
7507 "Exit current newsgroup and then select next unread newsgroup.
7508 If prefix argument NO-ARTICLE is non-nil, no article is selected
7509 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7510 previous group instead."
7512 ;; Stop pre-fetching.
7513 (gnus-async-halt-prefetch)
7514 (let ((current-group gnus-newsgroup-name)
7515 (current-buffer (current-buffer))
7517 ;; First we semi-exit this group to update Xrefs and all variables.
7518 ;; We can't do a real exit, because the window conf must remain
7519 ;; the same in case the user is prompted for info, and we don't
7520 ;; want the window conf to change before that...
7521 (gnus-summary-exit t)
7522 (while (not entered)
7523 ;; Then we find what group we are supposed to enter.
7524 (set-buffer gnus-group-buffer)
7525 (gnus-group-jump-to-group current-group)
7528 (if (eq gnus-keep-same-level 'best)
7529 (gnus-summary-best-group gnus-newsgroup-name)
7530 (gnus-summary-search-group backward gnus-keep-same-level))))
7531 (if (not target-group)
7532 ;; There are no further groups, so we return to the group
7535 (gnus-message 5 "Returning to the group buffer")
7537 (when (gnus-buffer-live-p current-buffer)
7538 (set-buffer current-buffer)
7539 (gnus-summary-exit))
7540 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7541 ;; We try to enter the target group.
7542 (gnus-group-jump-to-group target-group)
7543 (let ((unreads (gnus-group-group-unread)))
7544 (if (and (or (eq t unreads)
7545 (and unreads (not (zerop unreads))))
7546 (gnus-summary-read-group
7547 target-group nil no-article
7548 (and (buffer-name current-buffer) current-buffer)
7551 (setq current-group target-group
7552 target-group nil)))))))
7554 (defun gnus-summary-prev-group (&optional no-article)
7555 "Exit current newsgroup and then select previous unread newsgroup.
7556 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7558 (gnus-summary-next-group no-article nil t))
7560 ;; Walking around summary lines.
7562 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7563 "Go to the first subject satisfying any non-nil constraint.
7564 If UNREAD is non-nil, the article should be unread.
7565 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7566 If UNSEEN is non-nil, the article should be unseen as well as unread.
7567 Returns the article selected or nil if there are no matching articles."
7571 ((null gnus-newsgroup-data)
7572 (gnus-message 3 "No articles in the group")
7574 ;; Pick the first article.
7575 ((not (or unread undownloaded unseen))
7576 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7577 (gnus-data-number (car gnus-newsgroup-data)))
7578 ;; Find the first unread article.
7580 (let ((data gnus-newsgroup-data))
7582 (let ((num (gnus-data-number (car data))))
7583 (or (memq num gnus-newsgroup-unfetched)
7584 (not (or (and unread
7585 (memq num gnus-newsgroup-unreads))
7587 (memq num gnus-newsgroup-undownloaded))
7589 (memq num gnus-newsgroup-unseen)
7590 (memq num gnus-newsgroup-unreads)))))))
7591 (setq data (cdr data)))
7595 (goto-char (gnus-data-pos (car data)))
7596 (gnus-data-number (car data)))
7597 (gnus-message 3 "No more%s articles"
7598 (let* ((r (when unread " unread"))
7599 (d (when undownloaded " undownloaded"))
7600 (s (when unseen " unseen"))
7601 (l (delq nil (list r d s))))
7602 (cond ((= 3 (length l))
7603 (concat r "," d ", or" s))
7605 (concat (car l) ", or" (cadr l)))
7612 (gnus-summary-position-point))))))
7614 (defun gnus-summary-next-subject (n &optional unread dont-display)
7615 "Go to next N'th summary line.
7616 If N is negative, go to the previous N'th subject line.
7617 If UNREAD is non-nil, only unread articles are selected.
7618 The difference between N and the actual number of steps taken is
7621 (let ((backward (< n 0))
7625 (gnus-summary-find-prev unread)
7626 (gnus-summary-find-next unread)))
7627 (unless (zerop (setq n (1- n)))
7628 (gnus-summary-show-thread)))
7630 (gnus-message 7 "No more%s articles"
7631 (if unread " unread" "")))
7632 (unless dont-display
7633 (gnus-summary-recenter)
7634 (gnus-summary-position-point))
7637 (defun gnus-summary-next-unread-subject (n)
7638 "Go to next N'th unread summary line."
7640 (gnus-summary-next-subject n t))
7642 (defun gnus-summary-prev-subject (n &optional unread)
7643 "Go to previous N'th summary line.
7644 If optional argument UNREAD is non-nil, only unread article is selected."
7646 (gnus-summary-next-subject (- n) unread))
7648 (defun gnus-summary-prev-unread-subject (n)
7649 "Go to previous N'th unread summary line."
7651 (gnus-summary-next-subject (- n) t))
7653 (defun gnus-summary-goto-subjects (articles)
7654 "Insert the subject header for ARTICLES in the current buffer."
7656 (dolist (article articles)
7657 (gnus-summary-goto-subject article t)))
7658 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7659 (gnus-summary-position-point))
7661 (defun gnus-summary-goto-subject (article &optional force silent)
7662 "Go to the subject line of ARTICLE.
7663 If FORCE, also allow jumping to articles not currently shown."
7664 (interactive "nArticle number: ")
7665 (unless (numberp article)
7666 (error "Article %s is not a number" article))
7668 (data (gnus-data-find article)))
7669 ;; We read in the article if we have to.
7672 (gnus-summary-insert-subject
7674 (if (or (numberp force) (vectorp force)) force)
7676 (setq data (gnus-data-find article)))
7681 (gnus-message 3 "Can't find article %d" article))
7683 (let ((pt (gnus-data-pos data)))
7685 (gnus-summary-set-article-display-arrow pt))
7686 (gnus-summary-position-point)
7689 ;; Walking around summary lines with displaying articles.
7691 (defun gnus-summary-expand-window (&optional arg)
7692 "Make the summary buffer take up the entire Emacs frame.
7693 Given a prefix, will force an `article' buffer configuration."
7696 (gnus-configure-windows 'article 'force)
7697 (gnus-configure-windows 'summary 'force)))
7699 (defun gnus-summary-display-article (article &optional all-header)
7700 "Display ARTICLE in article buffer."
7701 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7702 (with-current-buffer gnus-article-buffer
7703 (derived-mode-p 'gnus-article-mode)))
7704 (gnus-article-setup-buffer))
7705 (gnus-set-global-variables)
7706 (with-current-buffer gnus-article-buffer
7707 (setq gnus-article-charset gnus-newsgroup-charset)
7708 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7709 (mm-enable-multibyte))
7713 (if gnus-summary-display-article-function
7714 (funcall gnus-summary-display-article-function article all-header)
7715 (gnus-article-prepare article all-header))
7716 (gnus-run-hooks 'gnus-select-article-hook)
7717 (when (and gnus-current-article
7718 (not (zerop gnus-current-article)))
7719 (gnus-summary-goto-subject gnus-current-article))
7720 (gnus-summary-recenter)
7721 (when (and gnus-use-trees gnus-show-threads)
7722 (gnus-possibly-generate-tree article)
7723 (gnus-highlight-selected-tree article))
7724 ;; Successfully display article.
7725 (gnus-article-set-window-start
7726 (cdr (assq article gnus-newsgroup-bookmarks))))))
7728 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7729 "Select the current article.
7730 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7731 non-nil, the article will be re-fetched even if it already present in
7732 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7734 ;; Make sure we are in the summary buffer to work around bbdb bug.
7735 (unless (derived-mode-p 'gnus-summary-mode)
7736 (set-buffer gnus-summary-buffer))
7737 (let ((article (or article (gnus-summary-article-number)))
7738 (all-headers (not (not all-headers))) ;Must be t or nil.
7739 gnus-summary-display-article-function)
7741 (gnus-summary-article-pseudo-p article)
7742 (error "This is a pseudo-article"))
7743 (with-current-buffer gnus-summary-buffer
7744 (if (or (and gnus-single-article-buffer
7745 (or (null gnus-current-article)
7746 (null gnus-article-current)
7747 (null (get-buffer gnus-article-buffer))
7748 (not (eq article (cdr gnus-article-current)))
7749 (not (equal (car gnus-article-current)
7750 gnus-newsgroup-name))
7751 (not (get-buffer gnus-original-article-buffer))))
7752 (and (not gnus-single-article-buffer)
7753 (or (null gnus-current-article)
7754 (not (get-buffer gnus-original-article-buffer))
7755 (not (eq gnus-current-article article))))
7757 ;; The requested article is different from the current article.
7759 (gnus-summary-display-article article all-headers)
7760 (when (gnus-buffer-live-p gnus-article-buffer)
7761 (with-current-buffer gnus-article-buffer
7762 (if (not gnus-article-decoded-p) ;; a local variable
7763 (mm-disable-multibyte))))
7764 (gnus-article-set-window-start
7765 (cdr (assq article gnus-newsgroup-bookmarks)))
7769 (defun gnus-summary-force-verify-and-decrypt ()
7770 "Display buttons for signed/encrypted parts and verify/decrypt them."
7772 (let ((mm-verify-option 'known)
7773 (mm-decrypt-option 'known)
7774 (gnus-article-emulate-mime t)
7775 (gnus-buttonized-mime-types (append (list "multipart/signed"
7776 "multipart/encrypted")
7777 gnus-buttonized-mime-types)))
7778 (gnus-summary-select-article nil 'force)))
7780 (defun gnus-summary-next-article (&optional unread subject backward push)
7781 "Select the next article.
7782 If UNREAD, only unread articles are selected.
7783 If SUBJECT, only articles with SUBJECT are selected.
7784 If BACKWARD, the previous article is selected instead of the next."
7786 ;; Make sure we are in the summary buffer.
7787 (unless (derived-mode-p 'gnus-summary-mode)
7788 (set-buffer gnus-summary-buffer))
7790 ;; Is there such an article?
7791 ((and (gnus-summary-search-forward unread subject backward)
7792 (or (gnus-summary-display-article (gnus-summary-article-number))
7793 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7794 (gnus-summary-position-point))
7795 ;; If not, we try the first unread, if that is wanted.
7797 gnus-auto-select-same
7798 (gnus-summary-first-unread-article))
7799 (gnus-summary-position-point)
7800 (gnus-message 6 "Wrapped"))
7801 ;; Try to get next/previous article not displayed in this group.
7802 ((and gnus-auto-extend-newsgroup
7803 (not unread) (not subject))
7804 (gnus-summary-goto-article
7805 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7806 nil (count-lines (point-min) (point))))
7807 ;; Go to next/previous group.
7809 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7810 (gnus-summary-jump-to-group gnus-newsgroup-name))
7811 (let ((cmd (if (featurep 'xemacs)
7813 last-command-event))
7815 (with-current-buffer gnus-group-buffer
7817 (current-summary (current-buffer))
7819 (if (eq gnus-keep-same-level 'best)
7820 (gnus-summary-best-group gnus-newsgroup-name)
7821 (gnus-summary-search-group backward gnus-keep-same-level))))
7822 ;; Select next unread newsgroup automagically.
7824 ((or (not gnus-auto-select-next)
7826 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7827 ((or (eq gnus-auto-select-next 'quietly)
7828 (and (eq gnus-auto-select-next 'slightly-quietly)
7830 (and (eq gnus-auto-select-next 'almost-quietly)
7831 (gnus-summary-last-article-p)))
7833 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7835 (gnus-message 7 "No more%s articles (%s)..."
7836 (if unread " unread" "")
7837 (if group (concat "selecting " group)
7839 (gnus-summary-next-group nil group backward)))
7841 (when (gnus-key-press-event-p last-input-event)
7842 ;; Somehow or other, we may now have selected a different
7843 ;; window. Make point go back to the summary buffer.
7844 (when (eq current-summary (current-buffer))
7845 ;; FIXME: This burps when get-buffer-window returns nil.
7846 (select-window (get-buffer-window current-summary 0)))
7847 (gnus-summary-walk-group-buffer
7848 gnus-newsgroup-name cmd unread backward point))))))))
7850 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7851 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7852 (?\C-p (gnus-group-prev-unread-group 1))))
7853 (cursor-in-echo-area t)
7854 keve key group ended prompt)
7855 (with-current-buffer gnus-group-buffer
7858 (if (eq gnus-keep-same-level 'best)
7859 (gnus-summary-best-group gnus-newsgroup-name)
7860 (gnus-summary-search-group backward gnus-keep-same-level))))
7864 "No more%s articles%s " (if unread " unread" "")
7866 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7867 (format " (Type %s for %s [%s])"
7868 (single-key-description cmd)
7869 (gnus-group-decoded-name group)
7870 (gnus-group-unread group))
7871 (format " (Type %s to exit %s)"
7872 (single-key-description cmd)
7873 (gnus-group-decoded-name gnus-newsgroup-name)))))
7874 ;; Confirm auto selection.
7875 (setq key (car (setq keve (gnus-read-event-char prompt)))
7878 ((assq key keystrokes)
7879 (let ((obuf (current-buffer)))
7880 (switch-to-buffer gnus-group-buffer)
7882 (gnus-group-jump-to-group group))
7883 (eval (cadr (assq key keystrokes)))
7884 (setq group (gnus-group-group-name))
7885 (switch-to-buffer obuf))
7889 (gnus-ephemeral-group-p gnus-newsgroup-name))
7891 (gnus-summary-next-group nil group backward)))
7893 (push (cdr keve) unread-command-events))))))
7895 (defun gnus-summary-next-unread-article ()
7896 "Select unread article after current one."
7898 (gnus-summary-next-article
7899 (or (not (eq gnus-summary-goto-unread 'never))
7900 (gnus-summary-last-article-p (gnus-summary-article-number)))
7901 (and gnus-auto-select-same
7902 (gnus-summary-article-subject))))
7904 (defun gnus-summary-prev-article (&optional unread subject)
7905 "Select the article before the current one.
7906 If UNREAD is non-nil, only unread articles are selected."
7908 (gnus-summary-next-article unread subject t))
7910 (defun gnus-summary-prev-unread-article ()
7911 "Select unread article before current one."
7913 (gnus-summary-prev-article
7914 (or (not (eq gnus-summary-goto-unread 'never))
7915 (gnus-summary-first-article-p (gnus-summary-article-number)))
7916 (and gnus-auto-select-same
7917 (gnus-summary-article-subject))))
7919 (declare-function gnus-article-only-boring-p "gnus-art" ())
7921 (defun gnus-summary-next-page (&optional lines circular stop)
7922 "Show next page of the selected article.
7923 If at the end of the current article, select the next article.
7924 LINES says how many lines should be scrolled up.
7926 If CIRCULAR is non-nil, go to the start of the article instead of
7927 selecting the next article when reaching the end of the current
7930 If STOP is non-nil, just stop when reaching the end of the message.
7932 Also see the variable `gnus-article-skip-boring'."
7934 (gnus-set-global-variables)
7935 (let ((article (gnus-summary-article-number))
7936 (article-window (get-buffer-window gnus-article-buffer t))
7938 ;; If the buffer is empty, we have no article.
7940 (error "No article to select"))
7941 (gnus-configure-windows 'article)
7942 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7943 (if (and (eq gnus-summary-goto-unread 'never)
7944 (not (gnus-summary-last-article-p article)))
7945 (gnus-summary-next-article)
7946 (gnus-summary-next-unread-article))
7947 (if (or (null gnus-current-article)
7948 (null gnus-article-current)
7949 (/= article (cdr gnus-article-current))
7950 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7951 ;; Selected subject is different from current article's.
7952 (gnus-summary-display-article article)
7953 (when article-window
7954 (gnus-eval-in-buffer-window gnus-article-buffer
7955 (setq endp (or (gnus-article-next-page lines)
7956 (gnus-article-only-boring-p))))
7958 (cond ((or stop gnus-summary-stop-at-end-of-message)
7959 (gnus-message 3 "End of message"))
7961 (gnus-summary-beginning-of-article))
7963 (gnus-message 3 "End of message"))
7965 (if (and (eq gnus-summary-goto-unread 'never)
7966 (not (gnus-summary-last-article-p article)))
7967 (gnus-summary-next-article)
7968 (gnus-summary-next-unread-article))))))))
7969 (gnus-summary-recenter)
7970 (gnus-summary-position-point)))
7972 (defun gnus-summary-prev-page (&optional lines move)
7973 "Show previous page of selected article.
7974 Argument LINES specifies lines to be scrolled down.
7975 If MOVE, move to the previous unread article if point is at
7976 the beginning of the buffer."
7978 (let ((article (gnus-summary-article-number))
7979 (article-window (get-buffer-window gnus-article-buffer t))
7981 (gnus-configure-windows 'article)
7982 (if (or (null gnus-current-article)
7983 (null gnus-article-current)
7984 (/= article (cdr gnus-article-current))
7985 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7986 ;; Selected subject is different from current article's.
7987 (gnus-summary-display-article article)
7988 (gnus-summary-recenter)
7989 (when article-window
7990 (gnus-eval-in-buffer-window gnus-article-buffer
7991 (setq endp (gnus-article-prev-page lines)))
7992 (when (and move endp)
7994 (gnus-message 3 "Beginning of message"))
7996 (if (and (eq gnus-summary-goto-unread 'never)
7997 (not (gnus-summary-first-article-p article)))
7998 (gnus-summary-prev-article)
7999 (gnus-summary-prev-unread-article))))))))
8000 (gnus-summary-position-point))
8002 (defun gnus-summary-prev-page-or-article (&optional lines)
8003 "Show previous page of selected article.
8004 Argument LINES specifies lines to be scrolled down.
8005 If at the beginning of the article, go to the next article."
8007 (gnus-summary-prev-page lines t))
8009 (defun gnus-summary-scroll-up (lines)
8010 "Scroll up (or down) one line current article.
8011 Argument LINES specifies lines to be scrolled up (or down if negative).
8012 If no article is selected, then the current article will be selected first."
8014 (gnus-configure-windows 'article)
8015 (gnus-summary-show-thread)
8016 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
8017 (gnus-eval-in-buffer-window gnus-article-buffer
8019 (when (gnus-article-next-page lines)
8020 (gnus-message 3 "End of message")))
8022 (gnus-article-prev-page (- lines))))))
8023 (gnus-summary-recenter)
8024 (gnus-summary-position-point))
8026 (defun gnus-summary-scroll-down (lines)
8027 "Scroll down (or up) one line current article.
8028 Argument LINES specifies lines to be scrolled down (or up if negative).
8029 If no article is selected, then the current article will be selected first."
8031 (gnus-summary-scroll-up (- lines)))
8033 (defun gnus-summary-next-same-subject ()
8034 "Select next article which has the same subject as current one."
8036 (gnus-summary-next-article nil (gnus-summary-article-subject)))
8038 (defun gnus-summary-prev-same-subject ()
8039 "Select previous article which has the same subject as current one."
8041 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
8043 (defun gnus-summary-next-unread-same-subject ()
8044 "Select next unread article which has the same subject as current one."
8046 (gnus-summary-next-article t (gnus-summary-article-subject)))
8048 (defun gnus-summary-prev-unread-same-subject ()
8049 "Select previous unread article which has the same subject as current one."
8051 (gnus-summary-prev-article t (gnus-summary-article-subject)))
8053 (defun gnus-summary-first-unread-article ()
8054 "Select the first unread article.
8055 Return nil if there are no unread articles."
8058 (when (gnus-summary-first-subject t)
8059 (gnus-summary-show-thread)
8060 (gnus-summary-first-subject t)
8061 (gnus-summary-display-article (gnus-summary-article-number)))
8062 (gnus-summary-position-point)))
8064 (defun gnus-summary-first-unread-subject ()
8065 "Place the point on the subject line of the first unread article.
8066 Return nil if there are no unread articles."
8069 (when (gnus-summary-first-subject t)
8070 (gnus-summary-show-thread)
8071 (gnus-summary-first-subject t))
8072 (gnus-summary-position-point)))
8074 (defun gnus-summary-first-unseen-subject ()
8075 "Place the point on the subject line of the first unseen article.
8076 Return nil if there are no unseen articles."
8079 (when (gnus-summary-first-subject nil nil t)
8080 (gnus-summary-show-thread)
8081 (gnus-summary-first-subject nil nil t))
8082 (gnus-summary-position-point)))
8084 (defun gnus-summary-first-unseen-or-unread-subject ()
8085 "Place the point on the subject line of the first unseen and unread article.
8086 If all article have been seen, on the subject line of the first unread
8090 (unless (when (gnus-summary-first-subject nil nil t)
8091 (gnus-summary-show-thread)
8092 (gnus-summary-first-subject nil nil t))
8093 (when (gnus-summary-first-subject t)
8094 (gnus-summary-show-thread)
8095 (gnus-summary-first-subject t)))
8096 (gnus-summary-position-point)))
8098 (defun gnus-summary-first-article ()
8099 "Select the first article.
8100 Return nil if there are no articles."
8103 (when (gnus-summary-first-subject)
8104 (gnus-summary-show-thread)
8105 (gnus-summary-first-subject)
8106 (gnus-summary-display-article (gnus-summary-article-number)))
8107 (gnus-summary-position-point)))
8109 (defun gnus-summary-best-unread-article (&optional arg)
8110 "Select the unread article with the highest score.
8111 If given a prefix argument, select the next unread article that has a
8112 score higher than the default score."
8114 (let ((article (if arg
8115 (gnus-summary-better-unread-subject)
8116 (gnus-summary-best-unread-subject))))
8118 (gnus-summary-goto-article article)
8119 (error "No unread articles"))))
8121 (defun gnus-summary-best-unread-subject ()
8122 "Select the unread subject with the highest score."
8124 (let ((best -1000000)
8125 (data gnus-newsgroup-data)
8128 (and (gnus-data-unread-p (car data))
8130 (gnus-summary-article-score (gnus-data-number (car data))))
8133 article (gnus-data-number (car data))))
8134 (setq data (cdr data)))
8136 (gnus-summary-goto-subject article))
8137 (gnus-summary-position-point)
8140 (defun gnus-summary-better-unread-subject ()
8141 "Select the first unread subject that has a score over the default score."
8143 (let ((data gnus-newsgroup-data)
8145 (while (and (setq article (gnus-data-number (car data)))
8146 (or (gnus-data-read-p (car data))
8147 (not (> (gnus-summary-article-score article)
8148 gnus-summary-default-score))))
8149 (setq data (cdr data)))
8151 (gnus-summary-goto-subject article))
8152 (gnus-summary-position-point)
8155 (defun gnus-summary-last-subject ()
8156 "Go to the last displayed subject line in the group."
8157 (let ((article (gnus-data-number (car (gnus-data-list t)))))
8159 (gnus-summary-goto-subject article))))
8161 (defun gnus-summary-goto-article (article &optional all-headers force)
8162 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
8163 If ALL-HEADERS is non-nil, no header lines are hidden.
8164 If FORCE, go to the article even if it isn't displayed. If FORCE
8165 is a number, it is the line the article is to be displayed on."
8168 (gnus-completing-read
8169 "Article number or Message-ID"
8170 (mapcar 'int-to-string gnus-newsgroup-limit))
8174 (if (and (stringp article)
8175 (string-match "@\\|%40" article))
8176 (gnus-summary-refer-article article)
8177 (when (stringp article)
8178 (setq article (string-to-number article)))
8179 (if (gnus-summary-goto-subject article force)
8180 (gnus-summary-display-article article all-headers)
8181 (gnus-message 4 "Couldn't go to article %s" article) nil))
8182 (gnus-summary-position-point)))
8184 (defun gnus-summary-goto-last-article ()
8185 "Go to the previously read article."
8188 (when gnus-last-article
8189 (gnus-summary-goto-article gnus-last-article nil t))
8190 (gnus-summary-position-point)))
8192 (defun gnus-summary-pop-article (number)
8193 "Pop one article off the history and go to the previous.
8194 NUMBER articles will be popped off."
8197 (setq gnus-newsgroup-history
8198 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
8200 (gnus-summary-goto-article (car to) nil t)
8201 (error "Article history empty")))
8202 (gnus-summary-position-point))
8204 ;; Summary commands and functions for limiting the summary buffer.
8206 (defun gnus-summary-limit-to-articles (n)
8207 "Limit the summary buffer to the next N articles.
8208 If not given a prefix, use the process marked articles instead."
8211 (let ((articles (gnus-summary-work-articles n)))
8212 (setq gnus-newsgroup-processable nil)
8213 (gnus-summary-limit articles))
8214 (gnus-summary-position-point)))
8216 (defun gnus-summary-pop-limit (&optional total)
8217 "Restore the previous limit.
8218 If given a prefix, remove all limits."
8221 (setq gnus-newsgroup-limits
8222 (list (mapcar (lambda (h) (mail-header-number h))
8223 gnus-newsgroup-headers))))
8224 (unless gnus-newsgroup-limits
8225 (error "No limit to pop"))
8227 (gnus-summary-limit nil 'pop)
8228 (gnus-summary-position-point)))
8230 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
8231 "Limit the summary buffer to articles that have subjects that match a regexp.
8232 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
8234 (list (read-string (if current-prefix-arg
8235 "Exclude subject (regexp): "
8236 "Limit to subject (regexp): "))
8237 nil current-prefix-arg))
8239 (setq header "subject"))
8240 (when (not (equal "" subject))
8242 (let ((articles (gnus-summary-find-matching
8243 (or header "subject") subject 'all nil nil
8246 (error "Found no matches for \"%s\"" subject))
8247 (gnus-summary-limit articles))
8248 (gnus-summary-position-point))))
8250 (defun gnus-summary-limit-to-author (from &optional not-matching)
8251 "Limit the summary buffer to articles that have authors that match a regexp.
8252 If NOT-MATCHING, excluding articles that have authors that match a regexp."
8254 (list (let* ((header (gnus-summary-article-header))
8255 (default (and header (car (mail-header-parse-address
8256 (mail-header-from header))))))
8257 (read-string (concat (if current-prefix-arg
8258 "Exclude author (regexp"
8259 "Limit to author (regexp")
8261 (concat ", default \"" default "\"): ")
8265 current-prefix-arg))
8266 (gnus-summary-limit-to-subject from "from" not-matching))
8268 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8269 "Limit the summary buffer to articles with the given RECIPIENT.
8271 If NOT-MATCHING, exclude RECIPIENT.
8273 To and Cc headers are checked. You need to include them in
8274 `nnmail-extra-headers'."
8275 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8277 (list (read-string (format "%s recipient (regexp): "
8278 (if current-prefix-arg "Exclude" "Limit to")))
8279 current-prefix-arg))
8280 (when (not (equal "" recipient))
8282 (if (memq 'To nnmail-extra-headers)
8283 (gnus-summary-find-matching
8284 (cons 'extra 'To) recipient 'all nil nil
8287 1 "`To' isn't present in `nnmail-extra-headers'")
8291 (if (memq 'Cc nnmail-extra-headers)
8292 (gnus-summary-find-matching
8293 (cons 'extra 'Cc) recipient 'all nil nil
8296 1 "`Cc' isn't present in `nnmail-extra-headers'")
8301 ;; We need the numbers that are in both lists:
8303 (and (memq a to) a))
8307 (error "Found no matches for \"%s\"" recipient))
8308 (gnus-summary-limit articles))
8309 (gnus-summary-position-point))))
8311 (defun gnus-summary-limit-to-address (address &optional not-matching)
8312 "Limit the summary buffer to articles with the given ADDRESS.
8314 If NOT-MATCHING, exclude ADDRESS.
8316 To, Cc and From headers are checked. You need to include `To' and `Cc'
8317 in `nnmail-extra-headers'."
8319 (list (read-string (format "%s address (regexp): "
8320 (if current-prefix-arg "Exclude" "Limit to")))
8321 current-prefix-arg))
8322 (when (not (equal "" address))
8324 (if (memq 'To nnmail-extra-headers)
8325 (gnus-summary-find-matching
8326 (cons 'extra 'To) address 'all nil nil
8329 1 "`To' isn't present in `nnmail-extra-headers'")
8333 (if (memq 'Cc nnmail-extra-headers)
8334 (gnus-summary-find-matching
8335 (cons 'extra 'Cc) address 'all nil nil
8338 1 "`Cc' isn't present in `nnmail-extra-headers'")
8342 (gnus-summary-find-matching "from" address
8343 'all nil nil not-matching))
8346 ;; We need the numbers that are in all lists:
8350 (mapcar (lambda (a) (car (memq a from))) to))
8352 (mapcar (lambda (a) (car (memq a from))) cc)
8353 (mapcar (lambda (a) (car (memq a from)))
8354 (mapcar (lambda (a) (car (memq a to)))
8356 (nconc (if (eq to t) nil to)
8357 (if (eq cc t) nil cc)
8360 (error "Found no matches for \"%s\"" address))
8361 (gnus-summary-limit articles))
8362 (gnus-summary-position-point))))
8364 (defun gnus-summary-limit-strange-charsets-predicate (header)
8365 (when (fboundp 'char-charset)
8366 (let ((string (concat (mail-header-subject header)
8367 (mail-header-from header)))
8369 (dotimes (i (1- (length string)))
8370 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8371 (when (string-match "unicode\\|big\\|japanese" charset)
8375 (defun gnus-summary-limit-to-predicate (predicate)
8376 "Limit to articles where PREDICATE returns non-nil.
8377 PREDICATE will be called with the header structures of the
8379 (let ((articles nil)
8380 (case-fold-search t))
8381 (dolist (header gnus-newsgroup-headers)
8382 (when (funcall predicate header)
8383 (push (mail-header-number header) articles)))
8384 (gnus-summary-limit (nreverse articles))))
8386 (defun gnus-summary-limit-to-age (age &optional younger-p)
8387 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8388 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8389 articles that are younger than AGE days."
8391 (let ((younger current-prefix-arg)
8394 (while (not days-got)
8395 (setq days (if younger
8396 (read-string "Limit to articles younger than (in days, older when negative): ")
8398 "Limit to articles older than (in days, younger when negative): ")))
8399 (when (> (length days) 0)
8400 (setq days (read days)))
8405 (setq younger (not younger))
8406 (setq days (* days -1))))
8407 (message "Please enter a number.")
8409 (list days younger)))
8411 (let ((data gnus-newsgroup-data)
8412 (cutoff (days-to-time age))
8413 articles d date is-younger)
8414 (while (setq d (pop data))
8415 (when (and (vectorp (gnus-data-header d))
8416 (setq date (mail-header-date (gnus-data-header d))))
8417 (setq is-younger (time-less-p
8418 (time-since (gnus-date-get-time date))
8423 (push (gnus-data-number d) articles))))
8424 (gnus-summary-limit (nreverse articles)))
8425 (gnus-summary-position-point)))
8427 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8428 "Limit the summary buffer to articles that match an 'extra' header."
8432 (gnus-completing-read
8433 (if current-prefix-arg
8434 "Exclude extra header"
8435 "Limit extra header")
8436 (mapcar 'symbol-name gnus-extra-headers)
8438 (symbol-name (car gnus-extra-headers))))))
8440 (read-string (format "%s header %s (regexp): "
8441 (if current-prefix-arg "Exclude" "Limit to")
8443 current-prefix-arg)))
8444 (when (not (equal "" regexp))
8446 (let ((articles (gnus-summary-find-matching
8447 (cons 'extra header) regexp 'all nil nil
8450 (error "Found no matches for \"%s\"" regexp))
8451 (gnus-summary-limit articles))
8452 (gnus-summary-position-point))))
8454 (defun gnus-summary-limit-to-display-predicate ()
8455 "Limit the summary buffer to the predicated in the `display' group parameter."
8457 (unless gnus-newsgroup-display
8458 (error "There is no `display' group parameter"))
8460 (dolist (gnus-number gnus-newsgroup-articles)
8461 (when (funcall gnus-newsgroup-display)
8462 (push gnus-number articles)))
8463 (gnus-summary-limit articles))
8464 (gnus-summary-position-point))
8466 (defun gnus-summary-limit-to-unread (&optional all)
8467 "Limit the summary buffer to articles that are not marked as read.
8468 If ALL is non-nil, limit strictly to unread articles."
8471 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8472 (gnus-summary-limit-to-marks
8473 ;; Concat all the marks that say that an article is read and have
8475 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8476 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8477 gnus-low-score-mark gnus-expirable-mark
8478 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8479 gnus-duplicate-mark)
8482 (defun gnus-summary-limit-to-headers (match &optional reverse)
8483 "Limit the summary buffer to articles that have headers that match MATCH.
8484 If REVERSE (the prefix), limit to articles that don't match."
8485 (interactive "sMatch headers (regexp): \nP")
8486 (gnus-summary-limit-to-bodies match reverse t))
8488 (declare-function article-goto-body "gnus-art" ())
8490 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8491 "Limit the summary buffer to articles that have bodies that match MATCH.
8492 If REVERSE (the prefix), limit to articles that don't match."
8493 (interactive "sMatch body (regexp): \nP")
8494 (let ((articles nil)
8495 (gnus-select-article-hook nil) ;Disable hook.
8496 (gnus-article-prepare-hook nil)
8497 (gnus-use-article-prefetch nil)
8498 (gnus-keep-backlog nil)
8499 (gnus-break-pages nil)
8500 (gnus-summary-display-arrow nil)
8501 (gnus-updated-mode-lines nil)
8502 (gnus-auto-center-summary nil)
8503 (gnus-display-mime-function nil))
8504 (dolist (data gnus-newsgroup-data)
8505 (let (gnus-mark-article-hook)
8506 (gnus-summary-select-article t t nil (gnus-data-number data)))
8507 (with-current-buffer gnus-article-buffer
8509 (let* ((case-fold-search t)
8511 (re-search-backward match nil t)
8512 (re-search-forward match nil t))))
8513 (when (or (and found
8517 (push (gnus-data-number data) articles)))))
8519 (message "No messages matched")
8520 (gnus-summary-limit articles)))
8521 (gnus-summary-position-point))
8523 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8524 "Limit the summary buffer to articles that aren't part on any thread.
8525 If THREADSP (the prefix), limit to articles that are in threads."
8527 (let ((articles nil)
8530 (dolist (thread gnus-newsgroup-threads)
8531 (if (stringp (car thread))
8532 (dolist (thread (cdr thread))
8533 (push thread threads))
8534 (push thread threads)))
8535 (dolist (thread threads)
8536 (setq thread-articles (gnus-articles-in-thread thread))
8537 (when (or (and threadsp
8538 (> (length thread-articles) 1))
8540 (= (length thread-articles) 1)))
8541 (setq articles (nconc thread-articles articles))))
8543 (message "No messages matched")
8544 (gnus-summary-limit articles))
8545 (gnus-summary-position-point)))
8547 (defun gnus-summary-limit-to-replied (&optional unreplied)
8548 "Limit the summary buffer to replied articles.
8549 If UNREPLIED (the prefix), limit to unreplied articles."
8553 (gnus-set-difference gnus-newsgroup-articles
8554 gnus-newsgroup-replied))
8555 (gnus-summary-limit gnus-newsgroup-replied))
8556 (gnus-summary-position-point))
8558 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8559 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8560 If REVERSE, limit the summary buffer to articles that are marked
8561 with MARKS. MARKS can either be a string of marks or a list of marks.
8562 Returns how many articles were removed."
8563 (interactive "sMarks: ")
8564 (gnus-summary-limit-to-marks marks t))
8566 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8567 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8568 If REVERSE (the prefix), limit the summary buffer to articles that are
8569 not marked with MARKS. MARKS can either be a string of marks or a
8571 Returns how many articles were removed."
8572 (interactive "sMarks: \nP")
8574 (let ((data gnus-newsgroup-data)
8575 (marks (if (listp marks) marks
8576 (append marks nil))) ; Transform to list.
8579 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8580 (memq (gnus-data-mark (car data)) marks))
8581 (push (gnus-data-number (car data)) articles))
8582 (setq data (cdr data)))
8583 (gnus-summary-limit articles))
8584 (gnus-summary-position-point)))
8586 (defun gnus-summary-limit-to-score (score)
8587 "Limit to articles with score at or above SCORE."
8588 (interactive "NLimit to articles with score of at least: ")
8589 (let ((data gnus-newsgroup-data)
8592 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8594 (push (gnus-data-number (car data)) articles))
8595 (setq data (cdr data)))
8597 (gnus-summary-limit articles)
8598 (gnus-summary-position-point))))
8600 (defun gnus-summary-limit-to-unseen ()
8601 "Limit to unseen articles."
8604 (gnus-summary-limit gnus-newsgroup-unseen)
8605 (gnus-summary-position-point)))
8607 (defun gnus-summary-limit-include-thread (id)
8608 "Display all the hidden articles that is in the thread with ID in it.
8609 When called interactively, ID is the Message-ID of the current
8611 (interactive (list (mail-header-id (gnus-summary-article-header))))
8612 (let ((articles (gnus-articles-in-thread
8613 (gnus-id-to-thread (gnus-root-id id))))
8614 ;;we REALLY want the whole thread---this prevents cut-threads
8615 ;;from removing the thread we want to include.
8616 (gnus-fetch-old-headers nil)
8617 (gnus-build-sparse-threads nil))
8619 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8620 (gnus-summary-limit-include-matching-articles
8622 (regexp-quote (gnus-simplify-subject-re
8623 (mail-header-subject (gnus-id-to-header id)))))
8624 (gnus-summary-position-point))))
8626 (defun gnus-summary-limit-include-matching-articles (header regexp)
8627 "Display all the hidden articles that have HEADERs that match REGEXP."
8628 (interactive (list (read-string "Match on header: ")
8629 (read-string "Regexp: ")))
8630 (let ((articles (gnus-find-matching-articles header regexp)))
8632 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8633 (gnus-summary-position-point))))
8635 (defun gnus-summary-insert-dormant-articles ()
8636 "Insert all the dormant articles for this group into the current buffer."
8638 (let ((gnus-verbose (max 6 gnus-verbose)))
8639 (if (not gnus-newsgroup-dormant)
8640 (gnus-message 3 "No dormant articles for this group")
8641 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8643 (defun gnus-summary-insert-ticked-articles ()
8644 "Insert ticked articles for this group into the current buffer."
8646 (let ((gnus-verbose (max 6 gnus-verbose)))
8647 (if (not gnus-newsgroup-marked)
8648 (gnus-message 3 "No ticked articles for this group")
8649 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8651 (defun gnus-summary-limit-include-dormant ()
8652 "Display all the hidden articles that are marked as dormant.
8653 Note that this command only works on a subset of the articles currently
8654 fetched for this group."
8656 (unless gnus-newsgroup-dormant
8657 (error "There are no dormant articles in this group"))
8659 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8660 (gnus-summary-position-point)))
8662 (defun gnus-summary-include-articles (articles)
8663 "Fetch the headers for ARTICLES and then display the summary lines."
8664 (let ((gnus-inhibit-demon t)
8666 (gnus-read-all-available-headers t))
8667 (setq gnus-newsgroup-headers
8669 'list gnus-newsgroup-headers
8670 (gnus-fetch-headers articles nil t)
8671 'gnus-article-sort-by-number))
8672 (setq gnus-newsgroup-articles
8673 (gnus-sorted-nunion gnus-newsgroup-articles articles))
8674 (gnus-summary-limit (append articles gnus-newsgroup-limit))))
8676 (defun gnus-summary-limit-exclude-dormant ()
8677 "Hide all dormant articles."
8680 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8681 (gnus-summary-position-point)))
8683 (defun gnus-summary-limit-exclude-childless-dormant ()
8684 "Hide all dormant articles that have no children."
8686 (let ((data (gnus-data-list t))
8687 articles d children)
8688 ;; Find all articles that are either not dormant or have
8690 (while (setq d (pop data))
8691 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8693 (gnus-article-children (gnus-data-number d)))
8696 (when (memq (car children) articles)
8701 (push (gnus-data-number d) articles)))
8704 (gnus-summary-limit articles)
8705 (gnus-summary-position-point))))
8707 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8708 "Mark all unread excluded articles as read.
8709 If ALL, mark even excluded ticked and dormants as read."
8711 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8712 (let ((articles (gnus-sorted-ndifference
8714 (mapcar (lambda (h) (mail-header-number h))
8715 gnus-newsgroup-headers)
8717 gnus-newsgroup-limit))
8719 (setq gnus-newsgroup-unreads
8720 (gnus-sorted-intersection gnus-newsgroup-unreads
8721 gnus-newsgroup-limit))
8723 (setq gnus-newsgroup-dormant nil
8724 gnus-newsgroup-marked nil
8725 gnus-newsgroup-reads
8727 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8728 gnus-newsgroup-reads))
8729 (while (setq article (pop articles))
8730 (unless (or (memq article gnus-newsgroup-dormant)
8731 (memq article gnus-newsgroup-marked))
8732 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8734 (defun gnus-summary-limit (articles &optional pop)
8736 ;; We pop the previous limit off the stack and use that.
8737 (setq articles (car gnus-newsgroup-limits)
8738 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8739 ;; We use the new limit, so we push the old limit on the stack.
8740 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8742 (setq gnus-newsgroup-limit articles)
8743 (let ((total (length gnus-newsgroup-data))
8744 (data (gnus-data-find-list (gnus-summary-article-number)))
8745 (gnus-summary-mark-below nil) ; Inhibit this.
8747 ;; This will do all the work of generating the new summary buffer
8748 ;; according to the new limit.
8749 (gnus-summary-prepare)
8750 ;; Hide any threads, possibly.
8751 (gnus-summary-maybe-hide-threads)
8752 ;; Try to return to the article you were at, or one in the
8755 ;; We try to find some article after the current one.
8757 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8760 (setq data (cdr data))))
8762 ;; If there is no data, that means that we were after the last
8763 ;; article. The same goes when we can't find any articles
8764 ;; after the current one.
8765 (goto-char (point-max))
8766 (gnus-summary-find-prev))
8767 (gnus-set-mode-line 'summary)
8768 ;; We return how many articles were removed from the summary
8769 ;; buffer as a result of the new limit.
8770 (- total (length gnus-newsgroup-data))))
8772 (defsubst gnus-invisible-cut-children (threads)
8775 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8780 (defsubst gnus-cut-thread (thread)
8781 "Go forwards in the thread until we find an article that we want to display."
8782 (when (or (eq gnus-fetch-old-headers 'some)
8783 (eq gnus-fetch-old-headers 'invisible)
8784 (numberp gnus-fetch-old-headers)
8785 (eq gnus-build-sparse-threads 'some)
8786 (eq gnus-build-sparse-threads 'more))
8787 ;; Deal with old-fetched headers and sparse threads.
8791 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8792 (gnus-summary-article-ancient-p
8793 (mail-header-number (car thread))))
8794 (if (or (<= (length (cdr thread)) 1)
8795 (eq gnus-fetch-old-headers 'invisible))
8796 (setq gnus-newsgroup-limit
8797 (delq (mail-header-number (car thread))
8798 gnus-newsgroup-limit)
8799 thread (cadr thread))
8800 (when (gnus-invisible-cut-children (cdr thread))
8801 (let ((th (cdr thread)))
8803 (if (memq (mail-header-number (caar th))
8804 gnus-newsgroup-limit)
8805 (setq thread (car th)
8807 (setq th (cdr th))))))))))
8810 (defun gnus-cut-threads (threads)
8811 "Cut off all uninteresting articles from the beginning of THREADS."
8812 (when (or (eq gnus-fetch-old-headers 'some)
8813 (eq gnus-fetch-old-headers 'invisible)
8814 (numberp gnus-fetch-old-headers)
8815 (eq gnus-build-sparse-threads 'some)
8816 (eq gnus-build-sparse-threads 'more))
8819 (setcar th (gnus-cut-thread (car th)))
8820 (setq th (cdr th)))))
8821 ;; Remove nixed out threads.
8824 (defun gnus-summary-initial-limit (&optional show-if-empty)
8825 "Figure out what the initial limit is supposed to be on group entry.
8826 This entails weeding out unwanted dormants, low-scored articles,
8827 fetch-old-headers verbiage, and so on."
8828 ;; Most groups have nothing to remove.
8829 (unless (or gnus-inhibit-limiting
8830 (and (null gnus-newsgroup-dormant)
8831 (eq gnus-newsgroup-display 'gnus-not-ignore)
8832 (not (eq gnus-fetch-old-headers 'some))
8833 (not (numberp gnus-fetch-old-headers))
8834 (not (eq gnus-fetch-old-headers 'invisible))
8835 (null gnus-summary-expunge-below)
8836 (not (eq gnus-build-sparse-threads 'some))
8837 (not (eq gnus-build-sparse-threads 'more))
8838 (null gnus-thread-expunge-below)))
8839 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8840 (setq gnus-newsgroup-limit nil)
8843 (unless (car (symbol-value node))
8844 ;; These threads have no parents -- they are roots.
8845 (let ((nodes (cdr (symbol-value node)))
8848 (if (and gnus-thread-expunge-below
8849 (< (gnus-thread-total-score (car nodes))
8850 gnus-thread-expunge-below))
8851 (gnus-expunge-thread (pop nodes))
8852 (setq thread (pop nodes))
8853 (gnus-summary-limit-children thread))))))
8854 gnus-newsgroup-dependencies)
8855 ;; If this limitation resulted in an empty group, we might
8856 ;; pop the previous limit and use it instead.
8857 (when (and (not gnus-newsgroup-limit)
8859 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8860 gnus-newsgroup-limit))
8862 (defun gnus-summary-limit-children (thread)
8863 "Return 1 if this subthread is visible and 0 if it is not."
8864 ;; First we get the number of visible children to this thread. This
8865 ;; is done by recursing down the thread using this function, so this
8866 ;; will really go down to a leaf article first, before slowly
8867 ;; working its way up towards the root.
8869 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8872 (apply '+ (mapcar 'gnus-summary-limit-children
8875 (number (mail-header-number (car thread)))
8878 (not (memq number gnus-newsgroup-marked))
8880 ;; If this article is dormant and has absolutely no visible
8881 ;; children, then this article isn't visible.
8882 (and (memq number gnus-newsgroup-dormant)
8884 ;; If this is "fetch-old-headered" and there is no
8885 ;; visible children, then we don't want this article.
8886 (and (or (eq gnus-fetch-old-headers 'some)
8887 (numberp gnus-fetch-old-headers))
8888 (gnus-summary-article-ancient-p number)
8890 ;; If this is "fetch-old-headered" and `invisible', then
8891 ;; we don't want this article.
8892 (and (eq gnus-fetch-old-headers 'invisible)
8893 (gnus-summary-article-ancient-p number))
8894 ;; If this is a sparsely inserted article with no children,
8895 ;; we don't want it.
8896 (and (eq gnus-build-sparse-threads 'some)
8897 (gnus-summary-article-sparse-p number)
8899 ;; If we use expunging, and this article is really
8900 ;; low-scored, then we don't want this article.
8901 (when (and gnus-summary-expunge-below
8903 (or (cdr (assq number gnus-newsgroup-scored))
8904 gnus-summary-default-score))
8905 gnus-summary-expunge-below))
8906 ;; We increase the expunge-tally here, but that has
8907 ;; nothing to do with the limits, really.
8908 (incf gnus-newsgroup-expunged-tally)
8909 ;; We also mark as read here, if that's wanted.
8910 (when (and gnus-summary-mark-below
8911 (< score gnus-summary-mark-below))
8912 (setq gnus-newsgroup-unreads
8913 (delq number gnus-newsgroup-unreads))
8914 (if gnus-newsgroup-auto-expire
8915 (push number gnus-newsgroup-expirable)
8916 (push (cons number gnus-low-score-mark)
8917 gnus-newsgroup-reads)))
8919 ;; Do the `display' group parameter.
8920 (and gnus-newsgroup-display
8921 (let ((gnus-number number))
8922 (not (funcall gnus-newsgroup-display))))))
8923 ;; Nope, invisible article.
8925 ;; Ok, this article is to be visible, so we add it to the limit
8927 (push number gnus-newsgroup-limit)
8930 (defun gnus-expunge-thread (thread)
8931 "Mark all articles in THREAD as read."
8932 (let* ((number (mail-header-number (car thread))))
8933 (incf gnus-newsgroup-expunged-tally)
8934 ;; We also mark as read here, if that's wanted.
8935 (setq gnus-newsgroup-unreads
8936 (delq number gnus-newsgroup-unreads))
8937 (if gnus-newsgroup-auto-expire
8938 (push number gnus-newsgroup-expirable)
8939 (push (cons number gnus-low-score-mark)
8940 gnus-newsgroup-reads)))
8941 ;; Go recursively through all subthreads.
8942 (mapcar 'gnus-expunge-thread (cdr thread)))
8944 ;; Summary article oriented commands
8946 (defun gnus-summary-refer-parent-article (n)
8947 "Refer parent article N times.
8948 If N is negative, go to ancestor -N instead.
8949 The difference between N and the number of articles fetched is returned."
8953 (when (not (natnump n))
8958 (setq header (gnus-summary-article-header))
8959 (if (and (eq (mail-header-number header)
8960 (cdr gnus-article-current))
8961 (equal gnus-newsgroup-name
8962 (car gnus-article-current)))
8963 ;; If we try to find the parent of the currently
8964 ;; displayed article, then we take a look at the actual
8965 ;; References header, since this is slightly more
8966 ;; reliable than the References field we got from the
8968 (with-current-buffer gnus-original-article-buffer
8969 (nnheader-narrow-to-headers)
8970 (unless (setq ref (message-fetch-field "references"))
8971 (when (setq ref (message-fetch-field "in-reply-to"))
8972 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8975 ;; It's not the current article, so we take a bet on
8976 ;; the value we got from the server.
8977 (mail-header-references header)))
8979 (not (equal ref "")))
8980 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8981 (gnus-message 1 "Couldn't find parent"))
8982 (gnus-message 1 "No references in article %d"
8983 (gnus-summary-article-number))
8986 (gnus-summary-position-point)
8989 (defun gnus-summary-refer-references ()
8990 "Fetch all articles mentioned in the References header.
8991 Return the number of articles fetched."
8993 (let ((ref (mail-header-references (gnus-summary-article-header)))
8994 (current (gnus-summary-article-number))
8998 (error "No References in the current article")
8999 ;; For each Message-ID in the References header...
9000 (while (string-match "<[^>]*>" ref)
9002 ;; ... fetch that article.
9003 (gnus-summary-refer-article
9004 (prog1 (match-string 0 ref)
9005 (setq ref (substring ref (match-end 0))))))
9006 (gnus-summary-goto-subject current)
9007 (gnus-summary-position-point)
9010 (defun gnus-delete-duplicate-headers (headers)
9011 ;; First remove leading duplicates.
9012 (while (and (> (length headers) 1)
9013 (= (mail-header-number (car headers))
9014 (mail-header-number (cadr headers))))
9017 (let ((result headers))
9018 (while (> (length headers) 1)
9019 (if (= (mail-header-number (car headers))
9020 (mail-header-number (cadr headers)))
9021 (setcdr headers (cddr headers))
9025 (defun gnus-summary-refer-thread (&optional limit)
9026 "Fetch all articles in the current thread. For backends that
9027 know how to search for threads (currently only 'nnimap) a
9028 non-numeric prefix arg will use nnir to search the entire
9029 server; without a prefix arg only the current group is
9030 searched. If the variable `gnus-refer-thread-use-nnir' is
9031 non-nil the prefix arg has the reverse meaning. If no
9032 backend-specific 'request-thread function is available fetch
9033 LIMIT (the numerical prefix) old headers. If LIMIT is
9034 non-numeric or nil fetch the number specified by the
9035 `gnus-refer-thread-limit' variable."
9037 (gnus-warp-to-article)
9038 (let* ((header (gnus-summary-article-header))
9039 (id (mail-header-id header))
9040 (gnus-inhibit-demon t)
9041 (gnus-summary-ignore-duplicates t)
9042 (gnus-read-all-available-headers t)
9043 (gnus-refer-thread-use-nnir
9044 (if (and (not (null limit)) (listp limit))
9045 (not gnus-refer-thread-use-nnir) gnus-refer-thread-use-nnir))
9047 (if (gnus-check-backend-function
9048 'request-thread gnus-newsgroup-name)
9049 (gnus-request-thread header gnus-newsgroup-name)
9050 (let* ((limit (if (numberp limit) (prefix-numeric-value limit)
9051 gnus-refer-thread-limit))
9052 (last (if (numberp limit)
9053 (min (+ (mail-header-number header)
9055 gnus-newsgroup-highest)
9056 gnus-newsgroup-highest))
9057 (subject (gnus-simplify-subject
9058 (mail-header-subject header)))
9059 (refs (split-string (or (mail-header-references header)
9061 (gnus-parse-headers-hook
9062 `(lambda () (goto-char (point-min))
9064 (regexp-opt ',(append refs (list id subject)))))))
9065 (gnus-fetch-headers (list last) (if (numberp limit)
9066 (* 2 limit) limit) t))))
9068 (when (listp new-headers)
9069 (dolist (header new-headers)
9070 (push (mail-header-number header) article-ids)
9071 (when (member (mail-header-number header) gnus-newsgroup-unselected)
9072 (push (mail-header-number header) gnus-newsgroup-unreads)
9073 (setq gnus-newsgroup-unselected
9074 (delete (mail-header-number header)
9075 gnus-newsgroup-unselected))))
9076 (setq gnus-newsgroup-headers
9077 (gnus-delete-duplicate-headers
9079 'list gnus-newsgroup-headers new-headers
9080 'gnus-article-sort-by-number)))
9081 (setq gnus-newsgroup-articles
9082 (gnus-sorted-nunion gnus-newsgroup-articles (nreverse article-ids)))
9083 (gnus-summary-limit-include-thread id)))
9084 (gnus-summary-show-thread))
9086 (defun gnus-summary-refer-article (message-id)
9087 "Fetch an article specified by MESSAGE-ID."
9088 (interactive "sMessage-ID: ")
9089 (gnus-warp-to-article)
9090 (when (and (stringp message-id)
9091 (not (zerop (length message-id))))
9092 (setq message-id (gnus-replace-in-string message-id " " ""))
9093 ;; Construct the correct Message-ID if necessary.
9094 ;; Suggested by tale@pawl.rpi.edu.
9095 (unless (string-match "^<" message-id)
9096 (setq message-id (concat "<" message-id)))
9097 (unless (string-match ">$" message-id)
9098 (setq message-id (concat message-id ">")))
9099 ;; People often post MIDs from URLs, so unhex it:
9100 (unless (string-match "@" message-id)
9101 (setq message-id (gnus-url-unhex-string message-id)))
9102 (let* ((header (gnus-id-to-header message-id))
9104 (gnus-summary-article-sparse-p
9105 (mail-header-number header))
9106 (memq (mail-header-number header)
9107 gnus-newsgroup-limit)))
9110 ;; If the article is present in the buffer we just go to it.
9112 (or (not (gnus-summary-article-sparse-p
9113 (mail-header-number header)))
9116 (gnus-summary-goto-article
9117 (mail-header-number header) nil t)
9119 (gnus-summary-update-article (mail-header-number header)))))
9121 ;; We fetch the article.
9123 (dolist (gnus-override-method (gnus-refer-article-methods))
9124 (when (and (gnus-check-server gnus-override-method)
9125 ;; Fetch the header,
9126 (setq number (gnus-summary-insert-subject message-id)))
9127 ;; and display the article.
9128 (gnus-summary-select-article nil nil nil number)
9130 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
9132 (defun gnus-refer-article-methods ()
9133 "Return a list of referable methods."
9135 ;; No method, so we default to current and native.
9136 ((null gnus-refer-article-method)
9137 (list gnus-current-select-method gnus-select-method))
9139 ((eq 'current gnus-refer-article-method)
9140 (list gnus-current-select-method))
9141 ;; List of select methods.
9142 ((not (and (symbolp (car gnus-refer-article-method))
9143 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
9145 (dolist (method gnus-refer-article-method)
9146 (push (if (eq 'current method)
9147 gnus-current-select-method
9148 (if (eq 'nnir (car method))
9152 (gnus-method-to-server gnus-current-select-method)))
9156 ;; One single select method.
9158 (list gnus-refer-article-method))))
9160 (defun gnus-summary-edit-parameters ()
9161 "Edit the group parameters of the current group."
9163 (gnus-group-edit-group gnus-newsgroup-name 'params))
9165 (defun gnus-summary-customize-parameters ()
9166 "Customize the group parameters of the current group."
9168 (gnus-group-customize gnus-newsgroup-name))
9170 (defun gnus-summary-enter-digest-group (&optional force)
9171 "Enter an nndoc group based on the current article.
9172 If FORCE, force a digest interpretation. If not, try to guess
9173 what the document format is.
9175 To control what happens when you exit the group, see the
9176 `gnus-auto-select-on-ephemeral-exit' variable."
9178 (let ((conf gnus-current-window-configuration))
9179 (save-window-excursion
9181 (let (gnus-article-prepare-hook
9182 gnus-display-mime-function
9184 (gnus-summary-select-article))))
9185 (setq gnus-current-window-configuration conf)
9186 (let* ((name (format "%s-%d"
9187 (gnus-group-prefixed-name
9188 gnus-newsgroup-name (list 'nndoc ""))
9189 (with-current-buffer gnus-summary-buffer
9190 gnus-current-article)))
9191 (ogroup gnus-newsgroup-name)
9192 (params (append (gnus-info-params (gnus-get-info ogroup))
9193 (list (cons 'to-group ogroup))
9194 (list (cons 'parent-group ogroup))
9195 (list (cons 'save-article-group ogroup))))
9196 (case-fold-search t)
9197 (buf (current-buffer))
9198 dig to-address charset)
9199 (with-current-buffer gnus-original-article-buffer
9200 ;; Have the digest group inherit the main mail address of
9201 ;; the parent article.
9202 (when (setq to-address (or (gnus-fetch-field "reply-to")
9203 (gnus-fetch-field "from")))
9207 (list (cons 'to-address
9208 (funcall gnus-decode-encoded-address-function
9210 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
9211 (insert-buffer-substring gnus-original-article-buffer)
9213 (goto-char (point-min))
9214 (or (search-forward "\n\n" nil t) (point)))
9215 ;; Remove lines that may lead nndoc to misinterpret the
9217 (goto-char (point-min))
9218 (delete-matching-lines "^Path:\\|^From ")
9219 ;; Parse charset, and decode content transfer encoding.
9220 (setq charset (mail-content-type-get
9221 (mail-header-parse-content-type
9222 (or (gnus-fetch-field "content-type") ""))
9224 (let ((encoding (gnus-fetch-field "content-transfer-encoding")))
9226 (message-remove-header "content-transfer-encoding")
9227 (goto-char (point-max))
9229 (narrow-to-region (point) (point-max))
9230 (mm-decode-content-transfer-encoding
9231 (intern (downcase (mail-header-strip encoding))))))
9234 (if (let ((gnus-newsgroup-ephemeral-charset
9236 (intern (downcase (gnus-strip-whitespace charset)))
9237 gnus-newsgroup-charset))
9238 (gnus-newsgroup-ephemeral-ignored-charsets
9239 gnus-newsgroup-ignored-charsets))
9240 (gnus-group-read-ephemeral-group
9241 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
9243 ,(if force 'mbox 'guess)))
9245 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
9247 ;; Make all postings to this group go to the parent group.
9248 (nconc (gnus-info-params (gnus-get-info name))
9250 ;; Couldn't select this doc group.
9251 (switch-to-buffer buf)
9252 (gnus-set-global-variables)
9253 (gnus-configure-windows 'summary)
9254 (gnus-message 3 "Article couldn't be entered?"))
9255 (kill-buffer dig)))))
9257 (defun gnus-summary-read-document (n)
9258 "Open a new group based on the current article(s).
9259 This will allow you to read digests and other similar
9260 documents as newsgroups.
9261 Obeys the standard process/prefix convention."
9263 (let* ((ogroup gnus-newsgroup-name)
9264 (params (append (gnus-info-params (gnus-get-info ogroup))
9265 (list (cons 'to-group ogroup))))
9266 group egroup groups vgroup)
9267 (dolist (article (gnus-summary-work-articles n))
9268 (setq group (format "%s-%d" gnus-newsgroup-name article))
9269 (gnus-summary-remove-process-mark article)
9270 (when (gnus-summary-display-article article)
9271 (save-excursion ;;What for?
9273 (insert-buffer-substring gnus-original-article-buffer)
9274 ;; Remove some headers that may lead nndoc to make
9276 (message-narrow-to-head)
9277 (goto-char (point-min))
9278 (delete-matching-lines "^Path:\\|^From ")
9281 (gnus-group-read-ephemeral-group
9282 group `(nndoc ,group (nndoc-address ,(current-buffer))
9283 (nndoc-article-type guess))
9286 ;; Make all postings to this group go to the parent group.
9287 (nconc (gnus-info-params (gnus-get-info egroup))
9289 (push egroup groups))
9290 ;; Couldn't select this doc group.
9291 (gnus-error 3 "Article couldn't be entered"))))))
9292 ;; Now we have selected all the documents.
9295 (error "None of the articles could be interpreted as documents"))
9296 ((gnus-group-read-ephemeral-group
9297 (setq vgroup (format
9298 "nnvirtual:%s-%s" gnus-newsgroup-name
9299 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
9300 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
9302 (cons (current-buffer) 'summary)))
9304 (error "Couldn't select virtual nndoc group")))))
9306 (defun gnus-summary-widget-forward (arg)
9307 "Move point to the next field or button in the article.
9308 With optional ARG, move across that many fields."
9310 (gnus-summary-select-article)
9311 (gnus-configure-windows 'article)
9312 (select-window (gnus-get-buffer-window gnus-article-buffer))
9313 (widget-forward arg))
9315 (defun gnus-summary-widget-backward (arg)
9316 "Move point to the previous field or button in the article.
9317 With optional ARG, move across that many fields."
9319 (gnus-summary-select-article)
9320 (gnus-configure-windows 'article)
9321 (select-window (gnus-get-buffer-window gnus-article-buffer))
9322 (unless (widget-at (point))
9323 (goto-char (point-max)))
9324 (widget-backward arg))
9326 (defun gnus-summary-isearch-article (&optional regexp-p)
9327 "Do incremental search forward on the current article.
9328 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
9330 (gnus-summary-select-article)
9331 (gnus-configure-windows 'article)
9332 (gnus-eval-in-buffer-window gnus-article-buffer
9335 (isearch-forward regexp-p))))
9337 (defun gnus-summary-repeat-search-article-forward ()
9338 "Repeat the previous search forwards."
9340 (unless gnus-last-search-regexp
9341 (error "No previous search"))
9342 (gnus-summary-search-article-forward gnus-last-search-regexp))
9344 (defun gnus-summary-repeat-search-article-backward ()
9345 "Repeat the previous search backwards."
9347 (unless gnus-last-search-regexp
9348 (error "No previous search"))
9349 (gnus-summary-search-article-forward gnus-last-search-regexp t))
9351 (defun gnus-summary-search-article-forward (regexp &optional backward)
9352 "Search for an article containing REGEXP forward.
9353 If BACKWARD, search backward instead."
9356 (format "Search article %s (regexp%s): "
9357 (if current-prefix-arg "backward" "forward")
9358 (if gnus-last-search-regexp
9359 (concat ", default " gnus-last-search-regexp)
9361 current-prefix-arg))
9362 (if (string-equal regexp "")
9363 (setq regexp (or gnus-last-search-regexp ""))
9364 (setq gnus-last-search-regexp regexp)
9365 (setq gnus-article-before-search gnus-current-article))
9366 ;; Intentionally set gnus-last-article.
9367 (setq gnus-last-article gnus-article-before-search)
9368 (let ((gnus-last-article gnus-last-article))
9369 (if (gnus-summary-search-article regexp backward)
9370 (gnus-summary-show-thread)
9371 (signal 'search-failed (list regexp)))))
9373 (defun gnus-summary-search-article-backward (regexp)
9374 "Search for an article containing REGEXP backward."
9377 (format "Search article backward (regexp%s): "
9378 (if gnus-last-search-regexp
9379 (concat ", default " gnus-last-search-regexp)
9381 (gnus-summary-search-article-forward regexp 'backward))
9383 (defun gnus-summary-search-article (regexp &optional backward)
9384 "Search for an article containing REGEXP.
9385 Optional argument BACKWARD means do search for backward.
9386 `gnus-select-article-hook' is not called during the search."
9387 ;; We have to require this here to make sure that the following
9388 ;; dynamic binding isn't shadowed by autoloading.
9389 (require 'gnus-async)
9391 (let ((gnus-select-article-hook nil) ;Disable hook.
9392 (gnus-article-prepare-hook nil)
9393 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9394 (gnus-use-article-prefetch nil)
9395 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9396 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9398 (gnus-keep-backlog nil)
9399 (gnus-break-pages nil)
9400 (gnus-summary-display-arrow nil)
9401 (gnus-updated-mode-lines nil)
9402 (gnus-auto-center-summary nil)
9403 (sum (current-buffer))
9404 (gnus-display-mime-function nil)
9407 (gnus-save-hidden-threads
9408 (gnus-summary-select-article)
9409 (set-buffer gnus-article-buffer)
9410 (goto-char (window-point (get-buffer-window (current-buffer))))
9414 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9416 (re-search-backward regexp nil t)
9417 (re-search-forward regexp nil t))
9418 ;; We found the regexp.
9423 (get-buffer-window (current-buffer))
9427 (get-buffer-window (current-buffer))
9430 (setq point (point)))
9431 ;; We didn't find it, so we go to the next article.
9434 (while (eq found 'not)
9435 (if (not (if backward (gnus-summary-find-prev)
9436 (gnus-summary-find-next)))
9437 ;; No more articles.
9439 ;; Select the next article and adjust point.
9440 (unless (gnus-summary-article-sparse-p
9441 (gnus-summary-article-number))
9443 (gnus-summary-select-article)
9444 (set-buffer gnus-article-buffer)
9446 (goto-char (if backward (point-max) (point-min))))))))
9447 (gnus-message 7 ""))
9448 ;; Return whether we found the regexp.
9449 (when (eq found 'found)
9451 (gnus-summary-show-thread)
9452 (gnus-summary-goto-subject gnus-current-article)
9453 (gnus-summary-position-point)
9456 (defun gnus-find-matching-articles (header regexp)
9457 "Return a list of all articles that match REGEXP on HEADER.
9458 This search includes all articles in the current group that Gnus has
9459 fetched headers for, whether they are displayed or not."
9460 (let ((articles nil)
9461 ;; Can't eta-reduce because it's a macro.
9462 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9463 (case-fold-search t))
9464 (dolist (header gnus-newsgroup-headers)
9465 (when (string-match regexp (funcall func header))
9466 (push (mail-header-number header) articles)))
9467 (nreverse articles)))
9469 (defun gnus-summary-find-matching (header regexp &optional backward unread
9470 not-case-fold not-matching)
9471 "Return a list of all articles that match REGEXP on HEADER.
9472 The search stars on the current article and goes forwards unless
9473 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9474 If UNREAD is non-nil, only unread articles will
9475 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9476 in the comparisons. If NOT-MATCHING, return a list of all articles that
9477 not match REGEXP on HEADER."
9478 (let ((case-fold-search (not not-case-fold))
9481 (if (eq (car header) 'extra)
9484 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9486 (error "%s is an invalid header" header))
9487 (unless (fboundp (intern (concat "mail-header-" header)))
9488 (error "%s is not a valid header" header))
9489 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9490 (dolist (d (if (eq backward 'all)
9492 (gnus-data-find-list
9493 (gnus-summary-article-number)
9494 (gnus-data-list backward))))
9495 (when (and (or (not unread) ; We want all articles...
9496 (gnus-data-unread-p d)) ; Or just unreads.
9497 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9501 (funcall func (gnus-data-header d))))
9502 (string-match regexp
9503 (funcall func (gnus-data-header d)))))
9504 (push (gnus-data-number d) articles))) ; Success!
9505 (nreverse articles)))
9507 (defun gnus-summary-execute-command (header regexp command &optional backward)
9508 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9509 If HEADER is an empty string (or nil), the match is done on the entire
9510 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9512 (list (let ((completion-ignore-case t))
9513 (gnus-completing-read
9515 (mapcar 'symbol-name
9517 '(Number Subject From Lines Date
9518 Message-ID Xref References Body)
9519 gnus-extra-headers))
9521 (read-string "Regexp: ")
9522 (read-key-sequence "Command: ")
9523 current-prefix-arg))
9524 (when (equal header "Body")
9526 ;; Hidden thread subtrees must be searched as well.
9527 (gnus-summary-show-all-threads)
9528 ;; We don't want to change current point nor window configuration.
9530 (save-window-excursion
9532 gnus-treat-strip-trailing-blank-lines
9533 gnus-treat-strip-leading-blank-lines
9534 gnus-treat-strip-multiple-blank-lines
9535 gnus-treat-hide-boring-headers
9536 gnus-treat-fold-newsgroups
9537 gnus-article-prepare-hook)
9538 (gnus-message 6 "Executing %s..." (key-description command))
9539 ;; We'd like to execute COMMAND interactively so as to give arguments.
9540 (gnus-execute header regexp
9541 `(call-interactively ',(key-binding command))
9543 (gnus-message 6 "Executing %s...done" (key-description command))))))
9545 (defun gnus-summary-beginning-of-article ()
9546 "Scroll the article back to the beginning."
9548 (gnus-summary-select-article)
9549 (gnus-configure-windows 'article)
9550 (gnus-eval-in-buffer-window gnus-article-buffer
9552 (goto-char (point-min))
9553 (when gnus-break-pages
9554 (gnus-narrow-to-page))))
9556 (defun gnus-summary-end-of-article ()
9557 "Scroll to the end of the article."
9559 (gnus-summary-select-article)
9560 (gnus-configure-windows 'article)
9561 (gnus-eval-in-buffer-window gnus-article-buffer
9563 (goto-char (point-max))
9565 (when gnus-break-pages
9566 (gnus-narrow-to-page))))
9568 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9569 "Truncate to LEN and quote all \"(\"'s in STRING."
9570 (gnus-replace-in-string (if (and len (> (length string) len))
9571 (substring string 0 len)
9575 (defun gnus-summary-print-article (&optional filename n)
9576 "Generate and print a PostScript image of the process-marked (mail) articles.
9578 If used interactively, print the current article if none are
9579 process-marked. With prefix arg, prompt the user for the name of the
9582 When used from Lisp, accept two optional args FILENAME and N. N means
9583 to print the next N articles. If N is negative, print the N previous
9584 articles. If N is nil and articles have been marked with the process
9585 mark, print these instead.
9587 If the optional first argument FILENAME is nil, send the image to the
9588 printer. If FILENAME is a string, save the PostScript image in a file with
9589 that name. If FILENAME is a number, prompt the user for the name of the file
9591 (interactive (list (ps-print-preprint current-prefix-arg)))
9592 (dolist (article (gnus-summary-work-articles n))
9593 (gnus-summary-select-article nil nil 'pseudo article)
9594 (gnus-eval-in-buffer-window gnus-article-buffer
9595 (gnus-print-buffer))
9596 (gnus-summary-remove-process-mark article))
9597 (ps-despool filename))
9599 (defun gnus-print-buffer ()
9600 (let ((ps-left-header
9603 (gnus-summary-print-truncate-and-quote
9604 (mail-header-subject gnus-current-headers)
9607 (gnus-summary-print-truncate-and-quote
9608 (mail-header-from gnus-current-headers)
9612 "/pagenumberstring load"
9614 (mail-header-date gnus-current-headers) ")"))))
9615 (gnus-run-hooks 'gnus-ps-print-hook)
9617 (if ps-print-color-p
9618 (ps-spool-buffer-with-faces)
9619 (ps-spool-buffer)))))
9621 (declare-function gnus-flush-original-article-buffer "gnus-art" ())
9623 (defun gnus-summary-show-complete-article ()
9624 "Show a complete version of the current article.
9625 This is only useful if you're looking at a partial version of the
9628 (let ((gnus-keep-backlog nil)
9629 (gnus-use-cache nil)
9632 (format "%s-fetch-partial-articles"
9633 (car (gnus-find-method-for-group
9634 gnus-newsgroup-name)))
9639 (setq old-val (symbol-value variable))
9641 (gnus-flush-original-article-buffer)
9642 (gnus-summary-show-article))
9643 (set variable old-val))))
9645 (defun gnus-summary-show-article (&optional arg)
9646 "Force redisplaying of the current article.
9647 If ARG (the prefix) is a number, show the article with the charset
9648 defined in `gnus-summary-show-article-charset-alist', or the charset
9650 If ARG (the prefix) is non-nil and not a number, show the article,
9651 but without running any of the article treatment functions
9652 article. Normally, the keystroke is `C-u g'. When using `C-u
9653 C-u g', show the raw article."
9657 (gnus-summary-show-article t)
9658 (let ((gnus-newsgroup-charset
9659 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9660 (mm-read-coding-system
9661 "View as charset: " ;; actually it is coding system.
9662 (with-current-buffer gnus-article-buffer
9663 (mm-detect-coding-region (point) (point-max))))))
9664 (gnus-newsgroup-ignored-charsets 'gnus-all))
9665 (gnus-summary-select-article nil 'force)
9666 (let ((deps gnus-newsgroup-dependencies)
9668 (with-current-buffer gnus-original-article-buffer
9670 (message-narrow-to-head)
9671 (setq head (buffer-string))
9672 (goto-char (point-min))
9673 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9674 (goto-char (point-max))
9676 (setq lines (1- (count-lines (point) (point-max))))))
9678 (insert (format "211 %d Article retrieved.\n"
9679 (cdr gnus-article-current)))
9681 (if lines (insert (format "Lines: %d\n" lines)))
9683 (let ((nntp-server-buffer (current-buffer)))
9684 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9685 (gnus-data-set-header
9686 (gnus-data-find (cdr gnus-article-current))
9688 (gnus-summary-update-article-line
9689 (cdr gnus-article-current) header)
9690 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9691 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9693 ;; Select the article the normal way.
9694 (if (eq mm-text-html-renderer 'shr)
9697 (let ((shr-ignore-cache t))
9698 (gnus-summary-select-article nil 'force)))
9699 (gnus-summary-select-article nil 'force)))
9702 (let ((gnus-inhibit-article-treatments t))
9703 (gnus-summary-select-article nil 'force)))
9705 ;; We have to require this here to make sure that the following
9706 ;; dynamic binding isn't shadowed by autoloading.
9707 (require 'gnus-async)
9709 ;; Bind the article treatment functions to nil.
9710 (let ((gnus-have-all-headers t)
9711 gnus-article-prepare-hook
9712 gnus-article-decode-hook
9713 gnus-display-mime-function
9715 ;; Destroy any MIME parts.
9716 (when (gnus-buffer-live-p gnus-article-buffer)
9717 (with-current-buffer gnus-article-buffer
9718 (gnus-article-stop-animations)
9719 (gnus-stop-downloads)
9720 (mm-destroy-parts gnus-article-mime-handles)
9721 ;; Set it to nil for safety reason.
9722 (setq gnus-article-mime-handle-alist nil)
9723 (setq gnus-article-mime-handles nil)))
9724 (gnus-summary-select-article nil 'force))))
9725 (gnus-summary-goto-subject gnus-current-article)
9726 (gnus-summary-position-point))
9728 (defun gnus-summary-show-raw-article ()
9729 "Show the raw article without any article massaging functions being run."
9731 (gnus-summary-show-article t))
9733 (defun gnus-summary-verbose-headers (&optional arg)
9734 "Toggle permanent full header display.
9735 If ARG is a positive number, turn header display on.
9736 If ARG is a negative number, turn header display off."
9738 (setq gnus-show-all-headers
9739 (cond ((or (not (numberp arg))
9741 (not gnus-show-all-headers))
9744 (gnus-summary-show-article))
9746 (declare-function article-narrow-to-head "gnus-art" ())
9747 (declare-function gnus-article-hidden-text-p "gnus-art" (type))
9748 (declare-function gnus-delete-wash-type "gnus-art" (type))
9750 (defun gnus-summary-toggle-header (&optional arg)
9751 "Show the headers if they are hidden, or hide them if they are shown.
9752 If ARG is a positive number, show the entire header.
9753 If ARG is a negative number, hide the unwanted header lines."
9755 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9756 (get-buffer-window gnus-article-buffer t))))
9757 (with-current-buffer gnus-article-buffer
9759 (article-narrow-to-head)
9760 (let* ((inhibit-read-only t)
9761 (inhibit-point-motion-hooks t)
9762 (hidden (if (numberp arg)
9764 (or (not (looking-at "[^ \t\n]+:"))
9765 (gnus-article-hidden-text-p 'headers))))
9767 (delete-region (point-min) (point-max))
9768 (with-current-buffer gnus-original-article-buffer
9769 (goto-char (setq s (point-min)))
9770 (setq e (if (search-forward "\n\n" nil t)
9773 (insert-buffer-substring gnus-original-article-buffer s e)
9774 (run-hooks 'gnus-article-decode-hook)
9776 (let ((gnus-treat-hide-headers nil)
9777 (gnus-treat-hide-boring-headers nil))
9778 (gnus-delete-wash-type 'headers)
9779 (gnus-treat-article 'head))
9780 (gnus-treat-article 'head))
9783 (set-window-start window (goto-char (point-min))))
9784 (if gnus-break-pages
9785 (gnus-narrow-to-page)
9786 (when (gnus-visual-p 'page-marker)
9787 (let ((inhibit-read-only t))
9788 (gnus-remove-text-with-property 'gnus-prev)
9789 (gnus-remove-text-with-property 'gnus-next))))
9790 (gnus-set-mode-line 'article)))))
9792 (defun gnus-summary-show-all-headers ()
9793 "Make all header lines visible."
9795 (gnus-summary-toggle-header 1))
9797 (defun gnus-summary-caesar-message (&optional arg)
9798 "Caesar rotate the current article by 13.
9799 With a non-numerical prefix, also rotate headers. A numerical
9800 prefix specifies how many places to rotate each letter forward."
9802 (gnus-summary-select-article)
9803 (let ((mail-header-separator ""))
9804 (gnus-eval-in-buffer-window gnus-article-buffer
9807 (let ((start (window-start))
9808 (inhibit-read-only t))
9809 (if (equal arg '(4))
9810 (message-caesar-buffer-body nil t)
9811 (message-caesar-buffer-body arg))
9812 (set-window-start (get-buffer-window (current-buffer)) start)))))
9813 ;; Create buttons and stuff...
9814 (gnus-treat-article nil))
9816 (declare-function idna-to-unicode "ext:idna" (str))
9818 (defun gnus-summary-idna-message (&optional arg)
9819 "Decode IDNA encoded domain names in the current articles.
9820 IDNA encoded domain names looks like `xn--bar'. If a string
9821 remain unencoded after running this function, it is likely an
9822 invalid IDNA string (`xn--bar' is invalid).
9824 You must have GNU Libidn (URL `http://www.gnu.org/software/libidn/')
9825 installed for this command to work."
9827 (if (not (and (condition-case nil (require 'idna)
9829 (mm-coding-system-p 'utf-8)
9830 (executable-find (symbol-value 'idna-program))))
9832 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9833 (gnus-summary-select-article)
9834 (let ((mail-header-separator ""))
9835 (gnus-eval-in-buffer-window gnus-article-buffer
9838 (let ((start (window-start))
9840 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9841 (replace-match (idna-to-unicode (match-string 1))))
9842 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9844 (defun gnus-summary-morse-message (&optional arg)
9845 "Morse decode the current article."
9847 (gnus-summary-select-article)
9848 (let ((mail-header-separator ""))
9849 (gnus-eval-in-buffer-window gnus-article-buffer
9853 (let ((pos (window-start))
9854 (inhibit-read-only t))
9855 (goto-char (point-min))
9856 (when (message-goto-body)
9857 (gnus-narrow-to-body))
9858 (goto-char (point-min))
9859 (while (search-forward "·" (point-max) t)
9860 (replace-match "."))
9861 (unmorse-region (point-min) (point-max))
9863 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9865 (defun gnus-summary-stop-page-breaking ()
9866 "Stop page breaking in the current article."
9868 (gnus-summary-select-article)
9869 (gnus-eval-in-buffer-window gnus-article-buffer
9871 (when (gnus-visual-p 'page-marker)
9872 (let ((inhibit-read-only t))
9873 (gnus-remove-text-with-property 'gnus-prev)
9874 (gnus-remove-text-with-property 'gnus-next))
9875 (setq gnus-page-broken nil))))
9877 (defun gnus-summary-move-article (&optional n to-newsgroup
9878 select-method action)
9879 "Move the current article to a different newsgroup.
9880 If N is a positive number, move the N next articles.
9881 If N is a negative number, move the N previous articles.
9882 If N is nil and any articles have been marked with the process mark,
9883 move those articles instead.
9884 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9885 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9886 re-spool using this method.
9888 When called interactively with TO-NEWSGROUP being nil, the value of
9889 the variable `gnus-move-split-methods' is used for finding a default
9890 for the target newsgroup.
9892 For this function to work, both the current newsgroup and the
9893 newsgroup that you want to move to have to support the `request-move'
9894 and `request-accept' functions.
9896 ACTION can be either `move' (the default), `crosspost' or `copy'."
9899 (setq action 'move))
9900 ;; Check whether the source group supports the required functions.
9901 (cond ((and (eq action 'move)
9902 (not (gnus-check-backend-function
9903 'request-move-article gnus-newsgroup-name)))
9904 (error "The current group does not support article moving"))
9905 ((and (eq action 'crosspost)
9906 (not (gnus-check-backend-function
9907 'request-replace-article gnus-newsgroup-name)))
9908 (error "The current group does not support article editing")))
9909 (let ((articles (gnus-summary-work-articles n))
9910 (prefix (if (gnus-check-backend-function
9911 'request-move-article gnus-newsgroup-name)
9912 (funcall gnus-move-group-prefix-function
9913 gnus-newsgroup-name)
9915 (names '((move "Move" "Moving")
9916 (copy "Copy" "Copying")
9917 (crosspost "Crosspost" "Crossposting")))
9918 (copy-buf (save-excursion
9919 (nnheader-set-temp-buffer " *copy article*")))
9920 art-group to-method new-xref article to-groups
9921 articles-to-update-marks encoded)
9922 (unless (assq action names)
9923 (error "Unknown action %s" action))
9924 ;; Read the newsgroup name.
9925 (when (and (not to-newsgroup)
9926 (not select-method))
9927 (if (and gnus-move-split-methods
9929 (and (memq gnus-current-article articles)
9930 (gnus-buffer-live-p gnus-original-article-buffer))))
9931 ;; When `gnus-move-split-methods' is non-nil, we have to
9932 ;; select an article to give `gnus-read-move-group-name' an
9933 ;; opportunity to suggest an appropriate default. However,
9934 ;; we needn't render or mark the article.
9935 (let ((gnus-display-mime-function nil)
9936 (gnus-article-prepare-hook nil)
9937 (gnus-mark-article-hook nil))
9938 (gnus-summary-select-article nil nil nil (car articles))))
9939 (setq to-newsgroup (gnus-read-move-group-name
9940 (cadr (assq action names))
9942 (intern (format "gnus-current-%s-group" action)))
9944 encoded to-newsgroup
9945 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9946 (set (intern (format "gnus-current-%s-group" action))
9947 (mm-decode-coding-string
9949 (gnus-group-name-charset to-method to-newsgroup))))
9951 (setq to-method (or select-method
9952 (gnus-server-to-method
9953 (gnus-group-method to-newsgroup)))))
9957 (mm-encode-coding-string
9959 (gnus-group-name-charset to-method to-newsgroup)))))
9960 ;; Check the method we are to move this article to...
9961 (unless (gnus-check-backend-function
9962 'request-accept-article (car to-method))
9963 (error "%s does not support article copying" (car to-method)))
9964 (unless (gnus-check-server to-method)
9965 (error "Can't open server %s" (car to-method)))
9966 (gnus-message 6 "%s to %s: %s..."
9967 (caddr (assq action names))
9968 (or (car select-method)
9969 (gnus-group-decoded-name to-newsgroup))
9972 (setq article (pop articles))
9973 ;; Set any marks that may have changed in the summary buffer.
9974 (when gnus-preserve-marks
9975 (gnus-summary-push-marks-to-backend article))
9979 ;; Move the article.
9981 ;; Remove this article from future suppression.
9982 (gnus-dup-unsuppress-article article)
9983 (let* ((from-method (gnus-find-method-for-group
9984 gnus-newsgroup-name))
9985 (to-method (or select-method
9986 (gnus-find-method-for-group to-newsgroup)))
9987 (move-is-internal (gnus-server-equal from-method to-method)))
9988 (gnus-request-move-article
9989 article ; Article to move
9990 gnus-newsgroup-name ; From newsgroup
9991 (nth 1 (gnus-find-method-for-group
9992 gnus-newsgroup-name)) ; Server
9993 (list 'gnus-request-accept-article
9994 to-newsgroup (list 'quote select-method)
9995 (not articles) t) ; Accept form
9996 (not articles) ; Only save nov last time
9997 (and move-is-internal
9998 to-newsgroup ; Not respooling
9999 ; Is this move internal?
10000 (gnus-group-real-name to-newsgroup)))))
10001 ;; Copy the article.
10003 (with-current-buffer copy-buf
10004 (when (gnus-request-article-this-buffer article
10005 gnus-newsgroup-name)
10007 (nnheader-narrow-to-headers)
10008 (dolist (hdr gnus-copy-article-ignored-headers)
10009 (message-remove-header hdr t)))
10010 (gnus-request-accept-article
10011 to-newsgroup select-method (not articles) t))))
10012 ;; Crosspost the article.
10013 ((eq action 'crosspost)
10014 (let ((xref (message-tokenize-header
10015 (mail-header-xref (gnus-summary-article-header
10018 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
10019 ":" (number-to-string article)))
10021 (setq xref (list (system-name))))
10024 (mapconcat 'identity
10025 (delete "Xref:" (delete new-xref xref))
10028 (with-current-buffer copy-buf
10029 ;; First put the article in the destination group.
10030 (gnus-request-article-this-buffer article gnus-newsgroup-name)
10031 (when (consp (setq art-group
10032 (gnus-request-accept-article
10033 to-newsgroup select-method (not articles)
10035 (setq new-xref (concat new-xref " " (car art-group)
10037 (number-to-string (cdr art-group))))
10038 ;; Now we have the new Xrefs header, so we insert
10039 ;; it and replace the new article.
10040 (nnheader-replace-header "Xref" new-xref)
10041 (gnus-request-replace-article
10042 (cdr art-group) to-newsgroup (current-buffer) t)
10046 (gnus-message 1 "Couldn't %s article %s: %s"
10047 (cadr (assq action names)) article
10048 (nnheader-get-report (car to-method))))
10049 ((eq art-group 'junk)
10050 (when (eq action 'move)
10051 (gnus-summary-mark-article article gnus-canceled-mark)
10052 (gnus-message 4 "Deleted article %s" article)
10053 ;; run the delete hook
10054 (run-hook-with-args 'gnus-summary-article-delete-hook
10057 (assoc article (gnus-data-list nil)))
10058 gnus-newsgroup-name nil
10061 (let* ((pto-group (gnus-group-prefixed-name
10062 (car art-group) to-method))
10063 (info (gnus-get-info pto-group))
10064 (to-group (gnus-info-group info))
10066 ;; Update the group that has been moved to.
10068 (memq action '(move copy)))
10069 (unless (member to-group to-groups)
10070 (push to-group to-groups))
10072 (when (and (not (memq article gnus-newsgroup-unreads))
10074 (push 'read to-marks)
10075 (gnus-info-set-read
10076 info (gnus-add-to-range (gnus-info-read info)
10077 (list (cdr art-group)))))
10079 ;; See whether the article is to be put in the cache.
10080 (let* ((expirable (gnus-group-auto-expirable-p to-group))
10081 (marks (if expirable
10082 gnus-article-mark-lists
10083 (delete '(expirable . expire)
10085 gnus-article-mark-lists))))
10086 (to-article (cdr art-group)))
10088 ;; Enter the article into the cache in the new group,
10089 ;; if that is required.
10090 (when (and to-article
10092 (gnus-cache-possibly-enter-article
10093 to-group to-article
10094 (memq article gnus-newsgroup-marked)
10095 (memq article gnus-newsgroup-dormant)
10096 (memq article gnus-newsgroup-unreads)))
10098 (when (and gnus-preserve-marks
10100 ;; Copy any marks over to the new group.
10101 (when (and (equal to-group gnus-newsgroup-name)
10102 (not (memq article gnus-newsgroup-unreads)))
10103 ;; Mark this article as read in this group.
10104 (push (cons to-article gnus-read-mark)
10105 gnus-newsgroup-reads)
10106 ;; Increase the active status of this group.
10107 (setcdr (gnus-active to-group) to-article)
10108 (setcdr gnus-newsgroup-active to-article))
10111 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10112 (when (memq article (symbol-value
10113 (intern (format "gnus-newsgroup-%s"
10115 (push (cdar marks) to-marks)
10116 ;; If the other group is the same as this group,
10117 ;; then we have to add the mark to the list.
10118 (when (equal to-group gnus-newsgroup-name)
10119 (set (intern (format "gnus-newsgroup-%s"
10123 (intern (format "gnus-newsgroup-%s"
10125 ;; Copy the marks to other group.
10126 (gnus-add-marked-articles
10127 to-group (cdar marks) (list to-article) info)))
10128 (setq marks (cdr marks)))
10130 (when (and expirable
10131 gnus-mark-copied-or-moved-articles-as-expirable
10132 (not (memq 'expire to-marks)))
10133 ;; Mark this article as expirable.
10134 (push 'expire to-marks)
10135 (when (equal to-group gnus-newsgroup-name)
10136 (push to-article gnus-newsgroup-expirable))
10137 ;; Copy the expirable mark to other group.
10138 (gnus-add-marked-articles
10139 to-group 'expire (list to-article) info))
10141 (when (and to-marks
10142 (gnus-method-option-p
10143 (gnus-find-method-for-group to-group)
10145 (gnus-request-set-mark
10146 to-group (list (list (list to-article) 'add to-marks)))))
10148 (gnus-dribble-enter
10149 (concat "(gnus-group-set-info '"
10150 (gnus-prin1-to-string (gnus-get-info to-group))
10152 (concat "^(gnus-group-set-info '(\""
10153 (regexp-quote to-group) "\""))))
10155 ;; Update the Xref header in this article to point to
10156 ;; the new crossposted article we have just created.
10157 (when (eq action 'crosspost)
10158 (with-current-buffer copy-buf
10159 (gnus-request-article-this-buffer article gnus-newsgroup-name)
10160 (nnheader-replace-header "Xref" new-xref)
10161 (gnus-request-replace-article
10162 article gnus-newsgroup-name (current-buffer) t)))
10164 ;; run the move/copy/crosspost/respool hook
10165 (run-hook-with-args 'gnus-summary-article-move-hook
10168 (assoc article (gnus-data-list nil)))
10169 gnus-newsgroup-name
10173 ;;;!!!Why is this necessary?
10174 (set-buffer gnus-summary-buffer)
10176 (when (eq action 'move)
10178 (gnus-summary-goto-subject article)
10179 (gnus-summary-mark-article article gnus-canceled-mark)))))
10180 (push article articles-to-update-marks))
10183 (apply 'gnus-summary-remove-process-mark articles-to-update-marks))
10184 ;; Re-activate all groups that have been moved to.
10185 (with-current-buffer gnus-group-buffer
10186 (let ((gnus-group-marked to-groups))
10187 (gnus-group-get-new-news-this-group nil t)))
10189 (gnus-kill-buffer copy-buf)
10190 (gnus-summary-position-point)
10191 (gnus-set-mode-line 'summary)))
10193 (defun gnus-summary-push-marks-to-backend (article)
10196 (marks gnus-article-mark-lists))
10197 (unless (memq article gnus-newsgroup-unreads)
10200 (if (and (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10201 (memq article (symbol-value
10202 (intern (format "gnus-newsgroup-%s"
10204 (push (cdar marks) set)
10205 (push (cdar marks) del))
10207 (gnus-request-set-mark gnus-newsgroup-name `(((,article) set ,set)
10208 ((,article) del ,del)))))
10210 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
10211 "Copy the current article to some other group.
10212 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
10213 When called interactively, if TO-NEWSGROUP is nil, use the value of
10214 the variable `gnus-move-split-methods' for finding a default target
10216 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
10217 re-spool using this method."
10219 (gnus-summary-move-article n to-newsgroup select-method 'copy))
10221 (defun gnus-summary-crosspost-article (&optional n)
10222 "Crosspost the current article to some other group."
10224 (gnus-summary-move-article n nil nil 'crosspost))
10226 (defcustom gnus-summary-respool-default-method nil
10227 "Default method type for respooling an article.
10228 If nil, use to the current newsgroup method."
10230 :group 'gnus-summary-mail)
10232 (defun gnus-summary-respool-article (&optional n method)
10233 "Respool the current article.
10234 The article will be squeezed through the mail spooling process again,
10235 which means that it will be put in some mail newsgroup or other
10236 depending on `nnmail-split-methods'.
10237 If N is a positive number, respool the N next articles.
10238 If N is a negative number, respool the N previous articles.
10239 If N is nil and any articles have been marked with the process mark,
10240 respool those articles instead.
10242 Respooling can be done both from mail groups and \"real\" newsgroups.
10243 In the former case, the articles in question will be moved from the
10244 current group into whatever groups they are destined to. In the
10245 latter case, they will be copied into the relevant groups."
10247 (list current-prefix-arg
10248 (let* ((methods (mapcar #'car (gnus-methods-using 'respool)))
10250 (symbol-name (or gnus-summary-respool-default-method
10251 (car (gnus-find-method-for-group
10252 gnus-newsgroup-name)))))
10254 (gnus-completing-read
10255 "Backend to use when respooling"
10256 methods t nil 'gnus-mail-method-history methname))
10259 ((zerop (length (setq ms (gnus-servers-using-backend
10260 (intern method)))))
10261 (list (intern method) ""))
10265 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
10266 (cdr (assoc (gnus-completing-read "Server name" ms-alist t)
10269 (error "No method given for respooling"))
10270 (if (assoc (symbol-name
10271 (car (gnus-find-method-for-group gnus-newsgroup-name)))
10272 (gnus-methods-using 'respool))
10273 (gnus-summary-move-article n nil method)
10274 (gnus-summary-copy-article n nil method)))
10276 (defun gnus-summary-import-article (file &optional edit)
10277 "Import an arbitrary file into a mail newsgroup."
10278 (interactive "fImport file: \nP")
10279 (let ((group gnus-newsgroup-name)
10280 (now (current-time))
10281 atts lines group-art)
10282 (unless (gnus-check-backend-function 'request-accept-article group)
10283 (error "%s does not support article importing" group))
10284 (or (file-readable-p file)
10285 (not (file-regular-p file))
10286 (error "Can't read %s" file))
10287 (with-current-buffer (gnus-get-buffer-create " *import file*")
10289 (nnheader-insert-file-contents file)
10290 (goto-char (point-min))
10291 (if (nnheader-article-p)
10293 (goto-char (point-min))
10294 (search-forward "\n\n" nil t)
10295 (narrow-to-region (point-min) (1- (point)))
10296 (goto-char (point-min))
10297 (unless (re-search-forward "^date:" nil t)
10298 (goto-char (point-max))
10299 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
10300 ;; This doesn't look like an article, so we fudge some headers.
10301 (setq atts (file-attributes file)
10302 lines (count-lines (point-min) (point-max)))
10303 (insert "From: " (read-string "From: ") "\n"
10304 "Subject: " (read-string "Subject: ") "\n"
10305 "Date: " (message-make-date (nth 5 atts)) "\n"
10306 "Message-ID: " (message-make-message-id) "\n"
10307 "Lines: " (int-to-string lines) "\n"
10308 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
10309 (setq group-art (gnus-request-accept-article group nil t))
10310 (kill-buffer (current-buffer)))
10311 (setq gnus-newsgroup-active (gnus-activate-group group))
10313 (gnus-summary-goto-article (cdr group-art) nil t)
10315 (gnus-summary-edit-article))))
10317 (defun gnus-summary-create-article ()
10318 "Create an article in a mail newsgroup."
10320 (let ((group gnus-newsgroup-name)
10321 (now (current-time))
10323 (unless (gnus-check-backend-function 'request-accept-article group)
10324 (error "%s does not support article importing" group))
10325 (with-current-buffer (gnus-get-buffer-create " *import file*")
10327 (goto-char (point-min))
10328 ;; This doesn't look like an article, so we fudge some headers.
10329 (insert "From: " (read-string "From: ") "\n"
10330 "Subject: " (read-string "Subject: ") "\n"
10331 "Date: " (message-make-date now) "\n"
10332 "Message-ID: " (message-make-message-id) "\n")
10333 (setq group-art (gnus-request-accept-article group nil t))
10334 (kill-buffer (current-buffer)))
10335 (setq gnus-newsgroup-active (gnus-activate-group group))
10337 (gnus-summary-goto-article (cdr group-art) nil t)
10338 (gnus-summary-edit-article)))
10340 (defun gnus-summary-article-posted-p ()
10341 "Say whether the current (mail) article is available from news as well.
10342 This will be the case if the article has both been mailed and posted."
10344 (let ((id (mail-header-references (gnus-summary-article-header)))
10345 (gnus-override-method (car (gnus-refer-article-methods))))
10346 (if (gnus-request-head id "")
10347 (gnus-message 2 "The current message was found on %s"
10348 gnus-override-method)
10349 (gnus-message 2 "The current message couldn't be found on %s"
10350 gnus-override-method)
10353 (defun gnus-summary-expire-articles (&optional now)
10354 "Expire all articles that are marked as expirable in the current group."
10356 (when (and (not gnus-group-is-exiting-without-update-p)
10357 (gnus-check-backend-function
10358 'request-expire-articles gnus-newsgroup-name))
10359 ;; This backend supports expiry.
10360 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
10362 (gnus-list-range-difference
10365 ;; We need to update the info for
10366 ;; this group for `gnus-list-of-read-articles'
10367 ;; to give us the right answer.
10368 (gnus-run-hooks 'gnus-exit-group-hook)
10369 (gnus-summary-update-info)
10370 (gnus-list-of-read-articles gnus-newsgroup-name))
10371 (setq gnus-newsgroup-expirable
10372 (sort gnus-newsgroup-expirable '<)))
10373 gnus-newsgroup-unexist))
10374 (expiry-wait (if now 'immediate
10375 (gnus-group-find-parameter
10376 gnus-newsgroup-name 'expiry-wait)))
10377 (nnmail-expiry-target
10378 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
10379 nnmail-expiry-target))
10382 ;; There are expirable articles in this group, so we run them
10383 ;; through the expiry process.
10384 (gnus-message 6 "Expiring articles...")
10385 (when (gnus-check-group gnus-newsgroup-name)
10386 ;; The list of articles that weren't expired is returned.
10389 (let ((nnmail-expiry-wait-function nil)
10390 (nnmail-expiry-wait expiry-wait))
10391 (setq es (gnus-request-expire-articles
10392 expirable gnus-newsgroup-name)))
10393 (setq es (gnus-request-expire-articles
10394 expirable gnus-newsgroup-name)))
10396 (setq gnus-newsgroup-expirable es))
10397 ;; We go through the old list of expirable, and mark all
10398 ;; really expired articles as nonexistent.
10399 (unless (eq es expirable) ;If nothing was expired, we don't mark.
10400 (let ((gnus-use-cache nil))
10401 (dolist (article expirable)
10402 (when (and (not (memq article es))
10403 (gnus-data-find article))
10404 (gnus-summary-mark-article article gnus-canceled-mark)
10405 (run-hook-with-args 'gnus-summary-article-expire-hook
10408 (assoc article (gnus-data-list nil)))
10409 gnus-newsgroup-name
10412 (gnus-message 6 "Expiring articles...done")))))
10414 (defun gnus-summary-expire-articles-now ()
10415 "Expunge all expirable articles in the current group.
10416 This means that *all* articles that are marked as expirable will be
10417 deleted forever, right now."
10419 (or gnus-expert-user
10421 "Are you really, really sure you want to delete all expirable messages? ")
10423 (gnus-summary-expire-articles t))
10425 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10426 (defun gnus-summary-delete-article (&optional n)
10427 "Delete the N next (mail) articles.
10428 This command actually deletes articles. This is not a marking
10429 command. The article will disappear forever from your life, never to
10432 If N is negative, delete backwards.
10433 If N is nil and articles have been marked with the process mark,
10434 delete these instead.
10436 If `gnus-novice-user' is non-nil you will be asked for
10437 confirmation before the articles are deleted."
10439 (unless (gnus-check-backend-function 'request-expire-articles
10440 gnus-newsgroup-name)
10441 (error "The current newsgroup does not support article deletion"))
10442 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10443 (error "Couldn't open server"))
10444 ;; Compute the list of articles to delete.
10445 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10446 (nnmail-expiry-target 'delete)
10448 (if (and gnus-novice-user
10449 (not (gnus-yes-or-no-p
10450 (format "Do you really want to delete %s forever? "
10451 (if (> (length articles) 1)
10452 (format "these %s articles" (length articles))
10453 "this article")))))
10455 ;; Delete the articles.
10456 (setq not-deleted (gnus-request-expire-articles
10457 articles gnus-newsgroup-name 'force))
10460 (gnus-summary-remove-process-mark (car articles))
10461 ;; The backend might not have been able to delete the article
10463 (unless (memq (car articles) not-deleted)
10464 (gnus-summary-mark-article (car articles) gnus-canceled-mark)
10465 (let* ((article (car articles))
10466 (ghead (gnus-data-header
10467 (assoc article (gnus-data-list nil)))))
10468 (run-hook-with-args 'gnus-summary-article-delete-hook
10469 'delete ghead gnus-newsgroup-name nil
10471 (setq articles (cdr articles))))
10473 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10474 (gnus-summary-position-point)
10475 (gnus-set-mode-line 'summary)
10478 (defun gnus-summary-edit-article (&optional arg)
10479 "Edit the current article.
10480 This will have permanent effect only in mail groups.
10481 If ARG is nil, edit the decoded articles.
10482 If ARG is 1, edit the raw articles.
10483 If ARG is 2, edit the raw articles even in read-only groups.
10484 If ARG is 3, edit the articles with the current handles.
10485 Otherwise, allow editing of articles even in read-only
10488 (let (force raw current-handles)
10497 (setq current-handles
10498 (and (gnus-buffer-live-p gnus-article-buffer)
10499 (with-current-buffer gnus-article-buffer
10501 gnus-article-mime-handles
10502 (setq gnus-article-mime-handles nil))))))
10505 (when (and raw (not force)
10506 (member gnus-newsgroup-name '("nndraft:delayed"
10509 (error "Can't edit the raw article in group %s"
10510 gnus-newsgroup-name))
10511 (with-current-buffer gnus-summary-buffer
10512 (let ((mail-parse-charset gnus-newsgroup-charset)
10513 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10514 (gnus-set-global-variables)
10515 (when (and (not force)
10516 (gnus-group-read-only-p))
10517 (error "The current newsgroup does not support article editing"))
10518 (gnus-summary-show-article t)
10519 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10520 (with-current-buffer gnus-article-buffer
10521 (mm-enable-multibyte)))
10522 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10524 (gnus-article-edit-article
10527 (let ((mbl mml-buffer-list))
10528 (setq mml-buffer-list nil)
10529 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10530 (mime-to-mml ,'current-handles))
10531 (let ((mbl1 mml-buffer-list))
10532 (setq mml-buffer-list mbl)
10533 (set (make-local-variable 'mml-buffer-list) mbl1))
10534 (gnus-make-local-hook 'kill-buffer-hook)
10535 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10536 `(lambda (no-highlight)
10537 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10538 (message-options message-options)
10539 (message-options-set-recipient)
10540 (mail-parse-ignored-charsets
10541 ',gnus-newsgroup-ignored-charsets)
10542 (rfc2047-header-encoding-alist
10543 ',(let ((charset (gnus-group-name-charset
10544 (gnus-find-method-for-group
10545 gnus-newsgroup-name)
10546 gnus-newsgroup-name)))
10547 (append (list (cons "Newsgroups" charset)
10548 (cons "Followup-To" charset)
10549 (cons "Xref" charset))
10550 rfc2047-header-encoding-alist))))
10551 ,(if (not raw) '(progn
10553 (mml-destroy-buffers)
10554 (remove-hook 'kill-buffer-hook
10555 'mml-destroy-buffers t)
10556 (kill-local-variable 'mml-buffer-list)))
10557 (gnus-summary-edit-article-done
10558 ,(or (mail-header-references gnus-current-headers) "")
10559 ,(gnus-group-read-only-p)
10560 ,gnus-summary-buffer no-highlight))))))))
10562 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10564 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10566 "Make edits to the current article permanent."
10569 ;; The buffer restriction contains the entire article if it exists.
10570 (when (article-goto-body)
10571 (let ((lines (count-lines (point) (point-max)))
10572 (length (- (point-max) (point)))
10573 (case-fold-search t)
10574 (body (copy-marker (point))))
10575 (goto-char (point-min))
10576 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10577 (delete-region (match-beginning 1) (match-end 1))
10578 (insert (number-to-string length)))
10579 (goto-char (point-min))
10580 (when (re-search-forward
10581 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10582 (delete-region (match-beginning 1) (match-end 1))
10583 (insert (number-to-string length)))
10584 (goto-char (point-min))
10585 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10586 (delete-region (match-beginning 1) (match-end 1))
10587 (insert (number-to-string lines))))))
10588 ;; Replace the article.
10589 (let ((buf (current-buffer))
10590 (article (cdr gnus-article-current))
10593 (insert-buffer-substring buf)
10594 (if (and (not read-only)
10595 (not (setq replace-result
10596 (gnus-request-replace-article
10597 article (car gnus-article-current)
10598 (current-buffer) t))))
10599 (error "Couldn't replace article")
10600 ;; If we got a number back, then that's the new article number
10601 ;; for this article. Otherwise, the article number didn't change.
10602 (when (numberp replace-result)
10603 (with-current-buffer gnus-summary-buffer
10604 (setq gnus-newsgroup-limit (delq article gnus-newsgroup-limit))
10605 (gnus-summary-limit gnus-newsgroup-limit)
10606 (setq article replace-result)
10607 (gnus-summary-goto-subject article t)))
10608 ;; Update the summary buffer.
10609 (if (and references
10610 (equal (message-tokenize-header references " ")
10611 (message-tokenize-header
10612 (or (message-fetch-field "references") "") " ")))
10613 ;; We only have to update this line.
10616 (message-narrow-to-head)
10617 (let ((head (buffer-substring-no-properties
10618 (point-min) (point-max)))
10621 (insert (format "211 %d Article retrieved.\n" article))
10624 (let ((nntp-server-buffer (current-buffer)))
10625 (setq header (car (gnus-get-newsgroup-headers nil t))))
10626 (with-current-buffer gnus-summary-buffer
10627 (gnus-data-set-header (gnus-data-find article) header)
10628 (gnus-summary-update-article-line article header)
10629 (if (gnus-summary-goto-subject article nil t)
10630 (gnus-summary-update-secondary-mark article)))))))
10632 (set-buffer (or buffer gnus-summary-buffer))
10633 (gnus-summary-update-article article)
10634 (if (gnus-summary-goto-subject article nil t)
10635 (gnus-summary-update-secondary-mark article)))
10636 ;; Prettify the article buffer again.
10637 (unless no-highlight
10638 (with-current-buffer gnus-article-buffer
10639 ;;!!! Fix this -- article should be rehighlighted.
10640 ;;(gnus-run-hooks 'gnus-article-display-hook)
10641 (set-buffer gnus-original-article-buffer)
10642 (gnus-request-article
10643 article (car gnus-article-current) (current-buffer))))
10644 ;; Prettify the summary buffer line.
10645 (when (gnus-visual-p 'summary-highlight 'highlight)
10646 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10648 (defun gnus-summary-edit-wash (key)
10649 "Perform editing command KEY in the article buffer."
10653 (message "%s" (concat (this-command-keys) "- "))
10656 (gnus-summary-edit-article)
10657 (execute-kbd-macro (concat (this-command-keys) key))
10658 (gnus-article-edit-done))
10662 (defvar nnimap-split-fancy)
10663 (defvar nnimap-split-methods)
10665 (defun gnus-summary-respool-query (&optional silent trace)
10666 "Query where the respool algorithm would put this article."
10668 (let (gnus-mark-article-hook)
10669 (gnus-summary-select-article)
10670 (with-current-buffer gnus-original-article-buffer
10672 (if (eq (car (gnus-find-method-for-group gnus-newsgroup-name))
10674 ;; nnimap has its own splitting variables.
10675 (let ((nnmail-split-methods
10677 ((eq nnimap-split-methods 'default)
10678 nnmail-split-methods)
10679 (nnimap-split-methods
10680 nnimap-split-methods)
10681 (nnimap-split-fancy
10682 'nnmail-split-fancy)))
10683 (nnmail-split-fancy (or nnimap-split-fancy
10684 nnmail-split-fancy)))
10685 (nnmail-article-group 'identity trace))
10686 (nnmail-article-group 'identity trace))))
10689 (message "This message would go to %s"
10690 (mapconcat 'car groups ", "))
10691 (message "This message would go to no groups"))
10694 (defun gnus-summary-respool-trace ()
10695 "Trace where the respool algorithm would put this article.
10696 Display a buffer showing all fancy splitting patterns which matched."
10698 (gnus-summary-respool-query nil t))
10700 ;; Summary marking commands.
10702 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10703 "Mark articles which has the same subject as read, and then select the next.
10704 If UNMARK is positive, remove any kind of mark.
10705 If UNMARK is negative, tick articles."
10708 (setq unmark (prefix-numeric-value unmark)))
10710 (gnus-summary-mark-same-subject
10711 (gnus-summary-article-subject) unmark)))
10712 ;; Select next unread article. If auto-select-same mode, should
10713 ;; select the first unread article.
10714 (gnus-summary-next-article t (and gnus-auto-select-same
10715 (gnus-summary-article-subject)))
10716 (gnus-message 7 "%d article%s marked as %s"
10717 count (if (= count 1) " is" "s are")
10718 (if unmark "unread" "read"))))
10720 (defun gnus-summary-kill-same-subject (&optional unmark)
10721 "Mark articles which has the same subject as read.
10722 If UNMARK is positive, remove any kind of mark.
10723 If UNMARK is negative, tick articles."
10726 (setq unmark (prefix-numeric-value unmark)))
10728 (gnus-summary-mark-same-subject
10729 (gnus-summary-article-subject) unmark)))
10730 ;; If marked as read, go to next unread subject.
10731 (when (null unmark)
10732 ;; Go to next unread subject.
10733 (gnus-summary-next-subject 1 t))
10734 (gnus-message 7 "%d articles are marked as %s"
10735 count (if unmark "unread" "read"))))
10737 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10738 "Mark articles with same SUBJECT as read, and return marked number.
10739 If optional argument UNMARK is positive, remove any kinds of marks.
10740 If optional argument UNMARK is negative, mark articles as unread instead."
10744 ((null unmark) ; Mark as read.
10747 (gnus-summary-mark-article-as-read gnus-killed-mark)
10748 (gnus-summary-show-thread) t)
10749 (gnus-summary-find-subject subject))
10750 (setq count (1+ count))))
10751 ((> unmark 0) ; Tick.
10754 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10755 (gnus-summary-show-thread) t)
10756 (gnus-summary-find-subject subject))
10757 (setq count (1+ count))))
10758 (t ; Mark as unread.
10761 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10762 (gnus-summary-show-thread) t)
10763 (gnus-summary-find-subject subject))
10764 (setq count (1+ count)))))
10765 (gnus-set-mode-line 'summary)
10766 ;; Return the number of marked articles.
10769 (defun gnus-summary-mark-as-processable (n &optional unmark)
10770 "Set the process mark on the next N articles.
10771 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10772 the process mark instead. The difference between N and the actual
10773 number of articles marked is returned."
10775 (if (and (null n) (gnus-region-active-p))
10776 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10777 (setq n (prefix-numeric-value n))
10778 (let ((backward (< n 0))
10783 (gnus-summary-remove-process-mark
10784 (gnus-summary-article-number))
10785 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10786 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10789 (gnus-message 7 "No more articles"))
10790 (gnus-summary-recenter)
10791 (gnus-summary-position-point)
10794 (defun gnus-summary-unmark-as-processable (n)
10795 "Remove the process mark from the next N articles.
10796 If N is negative, unmark backward instead. The difference between N and
10797 the actual number of articles unmarked is returned."
10799 (gnus-summary-mark-as-processable n t))
10801 (defun gnus-summary-unmark-all-processable ()
10802 "Remove the process mark from all articles."
10805 (while gnus-newsgroup-processable
10806 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10807 (gnus-summary-position-point))
10809 (defun gnus-summary-add-mark (article type)
10810 "Mark ARTICLE with a mark of TYPE."
10811 (let ((vtype (car (assq type gnus-article-mark-lists)))
10814 (error "No such mark type: %s" type)
10815 (setq var (intern (format "gnus-newsgroup-%s" type)))
10816 (set var (cons article (symbol-value var)))
10817 (if (memq type '(processable cached replied forwarded recent saved))
10818 (gnus-summary-update-secondary-mark article)
10819 ;;; !!! This is bogus. We should find out what primary
10820 ;;; !!! mark we want to set.
10821 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10823 (defun gnus-summary-mark-as-expirable (n)
10824 "Mark N articles forward as expirable.
10825 If N is negative, mark backward instead. The difference between N and
10826 the actual number of articles marked is returned."
10828 (gnus-summary-mark-forward n gnus-expirable-mark))
10830 (defun gnus-summary-mark-as-spam (n)
10831 "Mark N articles forward as spam.
10832 If N is negative, mark backward instead. The difference between N and
10833 the actual number of articles marked is returned."
10835 (gnus-summary-mark-forward n gnus-spam-mark))
10837 (defun gnus-summary-mark-article-as-replied (article)
10838 "Mark ARTICLE as replied to and update the summary line.
10839 ARTICLE can also be a list of articles."
10840 (interactive (list (gnus-summary-article-number)))
10841 (let ((articles (if (listp article) article (list article))))
10842 (dolist (article articles)
10843 (unless (numberp article)
10844 (error "%s is not a number" article))
10845 (push article gnus-newsgroup-replied)
10846 (let ((inhibit-read-only t))
10847 (when (gnus-summary-goto-subject article nil t)
10848 (gnus-summary-update-secondary-mark article))))))
10850 (defun gnus-summary-mark-article-as-forwarded (article)
10851 "Mark ARTICLE as forwarded and update the summary line.
10852 ARTICLE can also be a list of articles."
10853 (let ((articles (if (listp article) article (list article))))
10854 (dolist (article articles)
10855 (push article gnus-newsgroup-forwarded)
10856 (let ((inhibit-read-only t))
10857 (when (gnus-summary-goto-subject article nil t)
10858 (gnus-summary-update-secondary-mark article))))))
10860 (defun gnus-summary-set-bookmark (article)
10861 "Set a bookmark in current article."
10862 (interactive (list (gnus-summary-article-number)))
10863 (when (or (not (get-buffer gnus-article-buffer))
10864 (not gnus-current-article)
10865 (not gnus-article-current)
10866 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10867 (error "No current article selected"))
10868 ;; Remove old bookmark, if one exists.
10869 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10870 ;; Set the new bookmark, which is on the form
10871 ;; (article-number . line-number-in-body).
10874 (with-current-buffer gnus-article-buffer
10878 (article-goto-body)
10881 gnus-newsgroup-bookmarks)
10882 (gnus-message 6 "A bookmark has been added to the current article."))
10884 (defun gnus-summary-remove-bookmark (article)
10885 "Remove the bookmark from the current article."
10886 (interactive (list (gnus-summary-article-number)))
10887 ;; Remove old bookmark, if one exists.
10888 (if (not (assq article gnus-newsgroup-bookmarks))
10889 (gnus-message 6 "No bookmark in current article.")
10890 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10891 (gnus-message 6 "Removed bookmark.")))
10893 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10894 (defun gnus-summary-mark-as-dormant (n)
10895 "Mark N articles forward as dormant.
10896 If N is negative, mark backward instead. The difference between N and
10897 the actual number of articles marked is returned."
10899 (gnus-summary-mark-forward n gnus-dormant-mark))
10901 (defun gnus-summary-set-process-mark (article)
10902 "Set the process mark on ARTICLE and update the summary line."
10903 (setq gnus-newsgroup-processable
10905 (delq article gnus-newsgroup-processable)))
10906 (when (gnus-summary-goto-subject article)
10907 (gnus-summary-show-thread)
10908 (gnus-summary-goto-subject article)
10909 (gnus-summary-update-secondary-mark article)))
10911 (defun gnus-summary-remove-process-mark (&rest articles)
10912 "Remove the process mark from ARTICLES and update the summary line."
10913 (dolist (article articles)
10914 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10915 (when (gnus-summary-goto-subject article)
10916 (gnus-summary-show-thread)
10917 (gnus-summary-goto-subject article)
10918 (gnus-summary-update-secondary-mark article)))
10921 (defun gnus-summary-set-saved-mark (article)
10922 "Set the process mark on ARTICLE and update the summary line."
10923 (push article gnus-newsgroup-saved)
10924 (when (gnus-summary-goto-subject article)
10925 (gnus-summary-update-secondary-mark article)))
10927 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10928 "Mark N articles as read forwards.
10929 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10930 The difference between N and the actual number of articles marked is
10932 If NO-EXPIRE, auto-expiry will be inhibited."
10934 (gnus-summary-show-thread)
10935 (let ((backward (< n 0))
10936 (gnus-summary-goto-unread
10937 (and gnus-summary-goto-unread
10938 (not (eq gnus-summary-goto-unread 'never))
10939 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10940 gnus-ticked-mark gnus-dormant-mark)))))
10942 (mark (or mark gnus-del-mark)))
10943 (while (and (> n 0)
10944 (gnus-summary-mark-article nil mark no-expire)
10945 (zerop (gnus-summary-next-subject
10947 (and gnus-summary-goto-unread
10948 (not (eq gnus-summary-goto-unread 'never)))
10952 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10953 (gnus-summary-recenter)
10954 (gnus-summary-position-point)
10955 (gnus-set-mode-line 'summary)
10958 (defun gnus-summary-mark-article-as-read (mark)
10959 "Mark the current article quickly as read with MARK."
10960 (let ((article (gnus-summary-article-number)))
10961 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10962 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10963 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10964 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10965 (push (cons article mark) gnus-newsgroup-reads)
10966 ;; Possibly remove from cache, if that is used.
10967 (when gnus-use-cache
10968 (gnus-cache-enter-remove-article article))
10969 ;; Allow the backend to change the mark.
10970 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10971 ;; Check for auto-expiry.
10972 (when (and gnus-newsgroup-auto-expire
10973 (memq mark gnus-auto-expirable-marks))
10974 (setq mark gnus-expirable-mark)
10975 ;; Let the backend know about the mark change.
10976 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10977 (push article gnus-newsgroup-expirable))
10978 ;; Set the mark in the buffer.
10979 (gnus-summary-update-mark mark 'unread)
10982 (defun gnus-summary-mark-article-as-unread (mark)
10983 "Mark the current article quickly as unread with MARK."
10984 (let* ((article (gnus-summary-article-number))
10985 (old-mark (gnus-summary-article-mark article)))
10986 ;; Allow the backend to change the mark.
10987 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10988 (if (eq mark old-mark)
10992 (gnus-error 1 "Can't mark negative article numbers")
10994 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10995 (setq gnus-newsgroup-spam-marked
10996 (delq article gnus-newsgroup-spam-marked))
10997 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10998 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10999 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
11000 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11001 (cond ((= mark gnus-ticked-mark)
11002 (setq gnus-newsgroup-marked
11003 (gnus-add-to-sorted-list gnus-newsgroup-marked
11005 ((= mark gnus-spam-mark)
11006 (setq gnus-newsgroup-spam-marked
11007 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
11009 ((= mark gnus-dormant-mark)
11010 (setq gnus-newsgroup-dormant
11011 (gnus-add-to-sorted-list gnus-newsgroup-dormant
11014 (setq gnus-newsgroup-unreads
11015 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11017 (gnus-alist-pull article gnus-newsgroup-reads)
11019 ;; See whether the article is to be put in the cache.
11020 (and gnus-use-cache
11021 (vectorp (gnus-summary-article-header article))
11023 (gnus-cache-possibly-enter-article
11024 gnus-newsgroup-name article
11025 (= mark gnus-ticked-mark)
11026 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
11029 (gnus-summary-update-mark mark 'unread)
11032 (defun gnus-summary-mark-article (&optional article mark no-expire)
11033 "Mark ARTICLE with MARK. MARK can be any character.
11034 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
11035 `??' (dormant) and `?E' (expirable).
11036 If MARK is nil, then the default character `?r' is used.
11037 If ARTICLE is nil, then the article on the current line will be
11039 If NO-EXPIRE, auto-expiry will be inhibited."
11040 ;; The mark might be a string.
11041 (when (stringp mark)
11042 (setq mark (aref mark 0)))
11043 ;; If no mark is given, then we check auto-expiring.
11045 (setq mark gnus-del-mark))
11046 (when (and (not no-expire)
11047 gnus-newsgroup-auto-expire
11048 (memq mark gnus-auto-expirable-marks))
11049 (setq mark gnus-expirable-mark))
11050 (let ((article (or article (gnus-summary-article-number)))
11051 (old-mark (gnus-summary-article-mark article)))
11052 ;; Allow the backend to change the mark.
11053 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
11054 (if (eq mark old-mark)
11057 (error "No article on current line"))
11058 (if (not (if (or (= mark gnus-unread-mark)
11059 (= mark gnus-ticked-mark)
11060 (= mark gnus-spam-mark)
11061 (= mark gnus-dormant-mark))
11062 (gnus-mark-article-as-unread article mark)
11063 (gnus-mark-article-as-read article mark)))
11065 ;; See whether the article is to be put in the cache.
11066 (and gnus-use-cache
11067 (not (= mark gnus-canceled-mark))
11068 (vectorp (gnus-summary-article-header article))
11070 (gnus-cache-possibly-enter-article
11071 gnus-newsgroup-name article
11072 (= mark gnus-ticked-mark)
11073 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
11075 (when (gnus-summary-goto-subject article nil t)
11076 (let ((inhibit-read-only t))
11077 (gnus-summary-show-thread)
11079 (gnus-summary-update-mark mark 'unread)
11082 (defun gnus-summary-update-secondary-mark (article)
11083 "Update the secondary (read, process, cache) mark."
11084 (gnus-summary-update-mark
11085 (cond ((memq article gnus-newsgroup-processable)
11087 ((memq article gnus-newsgroup-cached)
11089 ((memq article gnus-newsgroup-replied)
11091 ((memq article gnus-newsgroup-forwarded)
11092 gnus-forwarded-mark)
11093 ((memq article gnus-newsgroup-saved)
11095 ((memq article gnus-newsgroup-unseen)
11099 (when (gnus-visual-p 'summary-highlight 'highlight)
11100 (gnus-summary-highlight-line)
11101 (gnus-run-hooks 'gnus-summary-update-hook))
11104 (defun gnus-summary-update-download-mark (article)
11105 "Update the download mark."
11106 (gnus-summary-update-mark
11107 (cond ((memq article gnus-newsgroup-undownloaded)
11108 gnus-undownloaded-mark)
11109 (gnus-newsgroup-agentized
11110 gnus-downloaded-mark)
11114 (gnus-summary-update-line t)
11117 (defun gnus-summary-update-mark (mark type)
11118 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
11119 (inhibit-read-only t))
11120 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
11122 (when (looking-at "\r")
11124 (when (<= (+ forward (point)) (point-max))
11125 ;; Go to the right position on the line.
11126 (goto-char (+ forward (point)))
11127 ;; Replace the old mark with the new mark.
11129 (mm-subst-char-in-string
11131 (buffer-substring (point) (1+ (point))))))
11132 (delete-region (point) (1+ (point)))
11133 (insert to-insert))
11134 ;; Optionally update the marks by some user rule.
11135 (when (eq type 'unread)
11136 (gnus-data-set-mark
11137 (gnus-data-find (gnus-summary-article-number)) mark)
11138 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
11140 (defun gnus-mark-article-as-read (article &optional mark)
11141 "Enter ARTICLE in the pertinent lists and remove it from others."
11142 ;; Make the article expirable.
11143 (let ((mark (or mark gnus-del-mark)))
11144 (setq gnus-newsgroup-expirable
11145 (if (= mark gnus-expirable-mark)
11146 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
11147 (delq article gnus-newsgroup-expirable)))
11148 ;; Remove from unread and marked lists.
11149 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11150 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11151 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
11152 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11153 (push (cons article mark) gnus-newsgroup-reads)
11154 ;; Possibly remove from cache, if that is used.
11155 (when gnus-use-cache
11156 (gnus-cache-enter-remove-article article))
11159 (defun gnus-mark-article-as-unread (article &optional mark)
11160 "Enter ARTICLE in the pertinent lists and remove it from others."
11161 (let ((mark (or mark gnus-ticked-mark)))
11164 (gnus-error 1 "Can't mark negative article numbers")
11166 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
11167 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
11168 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
11169 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
11170 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11172 ;; Unsuppress duplicates?
11173 (when gnus-suppress-duplicates
11174 (gnus-dup-unsuppress-article article))
11176 (cond ((= mark gnus-ticked-mark)
11177 (setq gnus-newsgroup-marked
11178 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
11179 ((= mark gnus-spam-mark)
11180 (setq gnus-newsgroup-spam-marked
11181 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
11183 ((= mark gnus-dormant-mark)
11184 (setq gnus-newsgroup-dormant
11185 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
11187 (setq gnus-newsgroup-unreads
11188 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
11189 (gnus-alist-pull article gnus-newsgroup-reads)
11192 (defun gnus-summary-tick-article-forward (n)
11193 "Tick N articles forwards.
11194 If N is negative, tick backwards instead.
11195 The difference between N and the number of articles ticked is returned."
11197 (gnus-summary-mark-forward n gnus-ticked-mark))
11199 (defun gnus-summary-tick-article-backward (n)
11200 "Tick N articles backwards.
11201 The difference between N and the number of articles ticked is returned."
11203 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
11205 (defun gnus-summary-tick-article (&optional article clear-mark)
11206 "Mark current article as unread.
11207 Optional 1st argument ARTICLE specifies article number to be marked as unread.
11208 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
11210 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
11211 gnus-ticked-mark)))
11213 (defun gnus-summary-mark-as-read-forward (n)
11214 "Mark N articles as read forwards.
11215 If N is negative, mark backwards instead.
11216 The difference between N and the actual number of articles marked is
11219 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
11221 (defun gnus-summary-mark-as-read-backward (n)
11222 "Mark the N articles as read backwards.
11223 The difference between N and the actual number of articles marked is
11226 (gnus-summary-mark-forward
11227 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
11229 (defun gnus-summary-mark-as-read (&optional article mark)
11230 "Mark current article as read.
11231 ARTICLE specifies the article to be marked as read.
11232 MARK specifies a string to be inserted at the beginning of the line."
11233 (gnus-summary-mark-article article mark))
11235 (defun gnus-summary-clear-mark-forward (n)
11236 "Clear marks from N articles forward.
11237 If N is negative, clear backward instead.
11238 The difference between N and the number of marks cleared is returned."
11240 (gnus-summary-mark-forward n gnus-unread-mark))
11242 (defun gnus-summary-clear-mark-backward (n)
11243 "Clear marks from N articles backward.
11244 The difference between N and the number of marks cleared is returned."
11246 (gnus-summary-mark-forward (- n) gnus-unread-mark))
11248 (defun gnus-summary-mark-unread-as-read ()
11249 "Intended to be used by `gnus-mark-article-hook'."
11250 (when (memq gnus-current-article gnus-newsgroup-unreads)
11251 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
11253 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
11254 "Intended to be used by `gnus-mark-article-hook'."
11255 (let ((mark (gnus-summary-article-mark)))
11256 (when (or (gnus-unread-mark-p mark)
11257 (gnus-read-mark-p mark))
11258 (gnus-summary-mark-article gnus-current-article
11259 (or new-mark gnus-read-mark)))))
11261 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
11262 "Intended to be used by `gnus-mark-article-hook'."
11263 (let ((mark (gnus-summary-article-mark)))
11264 (when (or (gnus-unread-mark-p mark)
11265 (gnus-read-mark-p mark))
11266 (gnus-summary-mark-article (gnus-summary-article-number)
11267 (or new-mark gnus-read-mark)))))
11269 (defun gnus-summary-mark-unread-as-ticked ()
11270 "Intended to be used by `gnus-mark-article-hook'."
11271 (when (memq gnus-current-article gnus-newsgroup-unreads)
11272 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
11274 (defun gnus-summary-mark-region-as-read (point mark all)
11275 "Mark all unread articles between point and mark as read.
11276 If given a prefix, mark all articles between point and mark as read,
11277 even ticked and dormant ones."
11278 (interactive "r\nP")
11282 (beginning-of-line)
11287 (memq (setq article (gnus-summary-article-number))
11288 gnus-newsgroup-unreads))
11289 (gnus-summary-mark-article article gnus-del-mark))
11291 (gnus-summary-find-next))))))
11293 (defun gnus-summary-mark-below (score mark)
11294 "Mark articles with score less than SCORE with MARK."
11295 (interactive "P\ncMark: ")
11296 (setq score (if score
11297 (prefix-numeric-value score)
11298 (or gnus-summary-default-score 0)))
11299 (with-current-buffer gnus-summary-buffer
11300 (goto-char (point-min))
11303 (and (< (gnus-summary-article-score) score)
11304 (gnus-summary-mark-article nil mark))
11305 (gnus-summary-find-next)))))
11307 (defun gnus-summary-kill-below (&optional score)
11308 "Mark articles with score below SCORE as read."
11310 (gnus-summary-mark-below score gnus-killed-mark))
11312 (defun gnus-summary-clear-above (&optional score)
11313 "Clear all marks from articles with score above SCORE."
11315 (gnus-summary-mark-above score gnus-unread-mark))
11317 (defun gnus-summary-tick-above (&optional score)
11318 "Tick all articles with score above SCORE."
11320 (gnus-summary-mark-above score gnus-ticked-mark))
11322 (defun gnus-summary-mark-above (score mark)
11323 "Mark articles with score over SCORE with MARK."
11324 (interactive "P\ncMark: ")
11325 (setq score (if score
11326 (prefix-numeric-value score)
11327 (or gnus-summary-default-score 0)))
11328 (with-current-buffer gnus-summary-buffer
11329 (goto-char (point-min))
11331 (when (> (gnus-summary-article-score) score)
11332 (gnus-summary-mark-article nil mark))
11334 (gnus-summary-find-next)))))
11336 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
11337 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
11338 (defun gnus-summary-limit-include-expunged (&optional no-error)
11339 "Display all the hidden articles that were expunged for low scores."
11341 (let ((inhibit-read-only t))
11342 (let ((scored gnus-newsgroup-scored)
11345 (unless (gnus-summary-article-header (caar scored))
11346 (and (setq h (gnus-number-to-header (caar scored)))
11347 (< (cdar scored) gnus-summary-expunge-below)
11349 (setq scored (cdr scored)))
11351 (when (not no-error)
11352 (error "No expunged articles hidden"))
11353 (goto-char (point-min))
11354 (push gnus-newsgroup-limit gnus-newsgroup-limits)
11355 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
11356 (dolist (x headers)
11357 (push (mail-header-number x) gnus-newsgroup-limit))
11358 (gnus-summary-prepare-unthreaded (nreverse headers))
11359 (goto-char (point-min))
11360 (gnus-summary-position-point)
11363 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
11364 "Mark all unread articles in this newsgroup as read.
11365 If prefix argument ALL is non-nil, ticked and dormant articles will
11366 also be marked as read.
11367 If QUIETLY is non-nil, no questions will be asked.
11369 If TO-HERE is non-nil, it should be a point in the buffer. All
11370 articles before (after, if REVERSE is set) this point will be marked
11373 Note that this function will only catch up the unread article
11374 in the current summary buffer limitation.
11376 The number of articles marked as read is returned."
11381 (not gnus-interactive-catchup) ;Without confirmation?
11385 "Mark absolutely all articles as read? "
11386 "Mark all unread articles as read? ")))
11388 (not gnus-newsgroup-adaptive)
11389 (not gnus-newsgroup-auto-expire)
11390 (not gnus-suppress-duplicates)
11391 (or (not gnus-use-cache)
11392 (eq gnus-use-cache 'passive)))
11395 (setq gnus-newsgroup-marked nil
11396 gnus-newsgroup-spam-marked nil
11397 gnus-newsgroup-dormant nil))
11398 (setq gnus-newsgroup-unreads
11399 (gnus-sorted-nunion
11400 (gnus-sorted-intersection gnus-newsgroup-unreads
11401 gnus-newsgroup-downloadable)
11402 (gnus-sorted-difference gnus-newsgroup-unfetched
11403 gnus-newsgroup-cached))))
11404 ;; We actually mark all articles as canceled, which we
11405 ;; have to do when using auto-expiry or adaptive scoring.
11406 (gnus-summary-show-all-threads)
11407 (if (and to-here reverse)
11409 (goto-char to-here)
11410 (gnus-summary-mark-current-read-and-unread-as-read
11412 (while (gnus-summary-find-next (not all))
11413 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
11414 (when (gnus-summary-first-subject (not all))
11416 (if to-here (< (point) to-here) t)
11417 (gnus-summary-mark-article-as-read gnus-catchup-mark)
11418 (gnus-summary-find-next (not all))))))
11419 (gnus-set-mode-line 'summary))
11421 (gnus-summary-position-point)))
11423 (defun gnus-summary-catchup-to-here (&optional all)
11424 "Mark all unticked articles before the current one as read.
11425 If ALL is non-nil, also mark ticked and dormant articles as read."
11428 (gnus-save-hidden-threads
11429 (let ((beg (point)))
11430 ;; We check that there are unread articles.
11431 (when (or all (gnus-summary-find-prev))
11432 (gnus-summary-catchup all t beg)))))
11433 (gnus-summary-position-point))
11435 (defun gnus-summary-catchup-from-here (&optional all)
11436 "Mark all unticked articles after (and including) the current one as read.
11437 If ALL is non-nil, also mark ticked and dormant articles as read."
11440 (gnus-save-hidden-threads
11441 (let ((beg (point)))
11442 ;; We check that there are unread articles.
11443 (when (or all (gnus-summary-find-next))
11444 (gnus-summary-catchup all t beg nil t)))))
11445 (gnus-summary-position-point))
11447 (defun gnus-summary-catchup-all (&optional quietly)
11448 "Mark all articles in this newsgroup as read.
11449 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11450 instead, which marks only unread articles as read."
11452 (gnus-summary-catchup t quietly))
11454 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11455 "Mark all unread articles in this group as read, then exit.
11456 If prefix argument ALL is non-nil, all articles are marked as read.
11457 If QUIETLY is non-nil, no questions will be asked."
11459 (when (gnus-summary-catchup all quietly nil 'fast)
11460 ;; Select next newsgroup or exit.
11461 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11462 (eq gnus-auto-select-next 'quietly))
11463 (gnus-summary-next-group nil)
11464 (gnus-summary-exit))))
11466 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11467 "Mark all articles in this newsgroup as read, and then exit.
11468 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11469 instead, which marks only unread articles as read."
11471 (gnus-summary-catchup-and-exit t quietly))
11473 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11474 "Mark all articles in this group as read and select the next group.
11475 If given a prefix, mark all articles, unread as well as ticked, as
11479 (gnus-summary-catchup all))
11480 (gnus-summary-next-group))
11482 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11483 "Mark all articles in this group as read and select the previous group.
11484 If given a prefix, mark all articles, unread as well as ticked, as
11488 (gnus-summary-catchup all))
11489 (gnus-summary-next-group nil nil t))
11495 (defmacro gnus-with-article (article &rest forms)
11496 "Select ARTICLE and perform FORMS in the original article buffer.
11497 Then replace the article with the result."
11499 ;; We don't want the article to be marked as read.
11500 (let (gnus-mark-article-hook)
11501 (gnus-summary-select-article t t nil ,article))
11502 (set-buffer gnus-original-article-buffer)
11504 (if (not (gnus-check-backend-function
11505 'request-replace-article (car gnus-article-current)))
11506 (gnus-message 5 "Read-only group; not replacing")
11507 (unless (gnus-request-replace-article
11508 ,article (car gnus-article-current)
11509 (current-buffer) t)
11510 (error "Couldn't replace article")))
11511 ;; The cache and backlog have to be flushed somewhat.
11512 (when gnus-keep-backlog
11513 (gnus-backlog-remove-article
11514 (car gnus-article-current) (cdr gnus-article-current)))
11515 (when gnus-use-cache
11516 (gnus-cache-update-article
11517 (car gnus-article-current) (cdr gnus-article-current)))))
11519 (put 'gnus-with-article 'lisp-indent-function 1)
11520 (put 'gnus-with-article 'edebug-form-spec '(form body))
11522 ;; Thread-based commands.
11524 (defun gnus-summary-articles-in-thread (&optional article)
11525 "Return a list of all articles in the current thread.
11526 If ARTICLE is non-nil, return all articles in the thread that starts
11527 with that article."
11528 (let* ((article (or article (gnus-summary-article-number)))
11529 (data (gnus-data-find-list article))
11530 (top-level (gnus-data-level (car data)))
11532 (cond ((null gnus-thread-operation-ignore-subject)
11533 (gnus-simplify-subject-re
11534 (mail-header-subject (gnus-data-header (car data)))))
11535 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11536 (gnus-simplify-subject-fuzzy
11537 (mail-header-subject (gnus-data-header (car data)))))
11539 (end-point (save-excursion
11540 (goto-char (gnus-data-pos (car data)))
11541 (if (gnus-summary-go-to-next-thread)
11542 (point) (point-max))))
11545 (< (gnus-data-pos (car data)) end-point))
11546 (when (or (not top-subject)
11547 (string= top-subject
11548 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11549 (gnus-simplify-subject-fuzzy
11550 (mail-header-subject
11551 (gnus-data-header (car data))))
11552 (gnus-simplify-subject-re
11553 (mail-header-subject
11554 (gnus-data-header (car data)))))))
11555 (push (gnus-data-number (car data)) articles))
11556 (unless (and (setq data (cdr data))
11557 (> (gnus-data-level (car data)) top-level))
11559 ;; Return the list of articles.
11560 (nreverse articles)))
11562 (defun gnus-summary-rethread-current ()
11563 "Rethread the thread the current article is part of."
11565 (let* ((gnus-show-threads t)
11566 (article (gnus-summary-article-number))
11567 (id (mail-header-id (gnus-summary-article-header)))
11568 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11570 (error "No article on the current line"))
11571 (gnus-rebuild-thread id)
11572 (gnus-summary-goto-subject article)))
11574 (defun gnus-summary-reparent-thread ()
11575 "Make the current article child of the marked (or previous) article.
11577 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11578 is non-nil or the Subject: of both articles are the same."
11580 (unless (not (gnus-group-read-only-p))
11581 (error "The current newsgroup does not support article editing"))
11582 (unless (<= (length gnus-newsgroup-processable) 1)
11583 (error "No more than one article may be marked"))
11584 (let ((child (gnus-summary-article-number))
11585 ;; First grab the marked article, otherwise one line up.
11586 (parent (if (not (null gnus-newsgroup-processable))
11587 (car gnus-newsgroup-processable)
11589 (if (eq (forward-line -1) 0)
11590 (gnus-summary-article-number)
11591 (error "Beginning of summary buffer"))))))
11592 (gnus-summary-reparent-children parent (list child))))
11594 (defun gnus-summary-reparent-children (parent children)
11595 "Make PARENT the parent of CHILDREN.
11596 When called interactively, PARENT is the current article and CHILDREN
11597 are the process-marked articles."
11599 (list (gnus-summary-article-number)
11600 (gnus-summary-work-articles nil)))
11601 (dolist (child children)
11602 (save-window-excursion
11603 (let ((gnus-article-buffer " *reparent*"))
11604 (unless (not (eq parent child))
11605 (error "An article may not be self-referential"))
11606 (let ((message-id (mail-header-id
11607 (gnus-summary-article-header parent))))
11608 (unless (and message-id (not (equal message-id "")))
11609 (error "No message-id in desired parent"))
11610 (gnus-with-article child
11612 (goto-char (point-min))
11613 (message-narrow-to-head)
11614 (if (re-search-forward "^References: " nil t)
11616 (re-search-forward "^[^ \t]" nil t)
11619 (insert " " message-id))
11620 (insert "References: " message-id "\n"))))
11621 (set-buffer gnus-summary-buffer)
11622 (gnus-summary-unmark-all-processable)
11623 (gnus-summary-update-article child)
11624 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11625 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11626 (gnus-summary-rethread-current)
11627 (gnus-message 3 "Article %d is now the child of article %d"
11630 (defun gnus-summary-toggle-threads (&optional arg)
11631 "Toggle showing conversation threads.
11632 If ARG is positive number, turn showing conversation threads on."
11634 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11635 (setq gnus-show-threads
11636 (if (null arg) (not gnus-show-threads)
11637 (> (prefix-numeric-value arg) 0)))
11638 (gnus-summary-prepare)
11639 (gnus-summary-goto-subject current)
11640 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11641 (gnus-summary-position-point)))
11644 (if (fboundp 'remove-overlays)
11645 (defalias 'gnus-remove-overlays 'remove-overlays)
11646 (defun gnus-remove-overlays (beg end name val)
11647 "Clear BEG and END of overlays whose property NAME has value VAL.
11648 For compatibility with XEmacs."
11649 (dolist (ov (gnus-overlays-in beg end))
11650 (when (eq (gnus-overlay-get ov name) val)
11651 (gnus-delete-overlay ov))))))
11653 (defun gnus-summary-show-all-threads ()
11654 "Show all threads."
11656 (gnus-remove-overlays (point-min) (point-max) 'invisible 'gnus-sum)
11657 (gnus-summary-position-point))
11659 (defsubst gnus-summary--inv (p)
11660 (and (eq (get-char-property p 'invisible) 'gnus-sum) p))
11662 (defun gnus-summary-show-thread ()
11663 "Show thread subtrees.
11664 Returns nil if no thread was there to be shown."
11666 (let* ((orig (point))
11667 (end (point-at-eol))
11668 (end (or (gnus-summary--inv end) (gnus-summary--inv (1- end))))
11669 ;; Leave point at bol
11670 (beg (progn (beginning-of-line) (if (bobp) (point) (1- (point)))))
11672 (if (fboundp 'next-single-char-property-change)
11673 ;; Note: XEmacs version of n-s-c-p-c may return nil
11674 (or (next-single-char-property-change end 'invisible)
11679 (eq (get-char-property (point) 'invisible)
11683 (gnus-remove-overlays beg eoi 'invisible 'gnus-sum)
11685 (gnus-summary-position-point)
11688 (defun gnus-summary-maybe-hide-threads ()
11689 "If requested, hide the threads that should be hidden."
11690 (when (and gnus-show-threads
11691 gnus-thread-hide-subtree)
11692 (gnus-summary-hide-all-threads
11693 (if (or (consp gnus-thread-hide-subtree)
11694 (functionp gnus-thread-hide-subtree))
11695 (gnus-make-predicate gnus-thread-hide-subtree)
11698 ;;; Hiding predicates.
11700 (defun gnus-article-unread-p (header)
11701 (memq (mail-header-number header) gnus-newsgroup-unreads))
11703 (defun gnus-article-unseen-p (header)
11704 (memq (mail-header-number header) gnus-newsgroup-unseen))
11706 (defun gnus-map-articles (predicate articles)
11707 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11708 (apply 'gnus-or (mapcar predicate
11709 (mapcar (lambda (number)
11710 (gnus-summary-article-header number))
11713 (defun gnus-summary-hide-all-threads (&optional predicate)
11714 "Hide all thread subtrees.
11715 If PREDICATE is supplied, threads that satisfy this predicate
11716 will not be hidden."
11719 (goto-char (point-min))
11724 (when (zerop (mod count 1000))
11725 (message "Hiding all threads... %d" count))
11726 (when (or (not predicate)
11728 predicate (gnus-summary-article-children)))
11729 (gnus-summary-hide-thread))
11730 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11731 (gnus-summary-position-point))
11733 (defun gnus-summary-hide-thread ()
11734 "Hide thread subtrees.
11735 If PREDICATE is supplied, threads that satisfy this predicate
11736 will not be hidden.
11737 Returns nil if no threads were there to be hidden."
11739 (beginning-of-line)
11740 (let ((start (point))
11741 (starteol (line-end-position))
11742 (article (gnus-summary-article-number)))
11743 ;; Go forward until either the buffer ends or the subthread ends.
11744 (when (and (not (eobp))
11745 (or (zerop (gnus-summary-next-thread 1 t))
11746 (goto-char (point-max))))
11747 (if (and (> (point) start)
11748 ;; FIXME: this should actually search for a non-invisible \n.
11749 (search-backward "\n" start t))
11751 (when (> (point) starteol)
11752 (gnus-remove-overlays starteol (point) 'invisible 'gnus-sum)
11753 (let ((ol (gnus-make-overlay starteol (point) nil t nil)))
11754 (gnus-overlay-put ol 'invisible 'gnus-sum)
11755 (gnus-overlay-put ol 'evaporate t)))
11756 (gnus-summary-goto-subject article)
11757 (when (> start (point))
11758 (message "Hiding the thread moved us backwards, aborting!")
11759 (goto-char (point-max))))
11763 (defun gnus-summary-go-to-next-thread (&optional previous)
11764 "Go to the same level (or less) next thread.
11765 If PREVIOUS is non-nil, go to previous thread instead.
11766 Return the article number moved to, or nil if moving was impossible."
11767 (let ((level (gnus-summary-thread-level))
11768 (way (if previous -1 1))
11771 (while (and (not (eobp))
11772 (< level (gnus-summary-thread-level)))
11773 (forward-line way))
11780 (gnus-summary-article-number)
11781 (goto-char beg)))))
11783 (defun gnus-summary-next-thread (n &optional silent)
11784 "Go to the same level next N'th thread.
11785 If N is negative, search backward instead.
11786 Returns the difference between N and the number of skips actually
11789 If SILENT, don't output messages."
11791 (let ((backward (< n 0))
11793 (while (and (> n 0)
11794 (gnus-summary-go-to-next-thread backward))
11797 (gnus-summary-position-point))
11798 (when (and (not silent) (/= 0 n))
11799 (gnus-message 7 "No more threads"))
11802 (defun gnus-summary-prev-thread (n)
11803 "Go to the same level previous N'th thread.
11804 Returns the difference between N and the number of skips actually
11807 (gnus-summary-next-thread (- n)))
11809 (defun gnus-summary-go-down-thread ()
11810 "Go down one level in the current thread."
11811 (let ((children (gnus-summary-article-children)))
11813 (gnus-summary-goto-subject (car children)))))
11815 (defun gnus-summary-go-up-thread ()
11816 "Go up one level in the current thread."
11817 (let ((parent (gnus-summary-article-parent)))
11819 (gnus-summary-goto-subject parent))))
11821 (defun gnus-summary-down-thread (n)
11822 "Go down thread N steps.
11823 If N is negative, go up instead.
11824 Returns the difference between N and how many steps down that were
11829 (while (and (> n 0)
11830 (if up (gnus-summary-go-up-thread)
11831 (gnus-summary-go-down-thread)))
11833 (gnus-summary-position-point)
11835 (gnus-message 7 "Can't go further"))
11838 (defun gnus-summary-up-thread (n)
11839 "Go up thread N steps.
11840 If N is negative, go down instead.
11841 Returns the difference between N and how many steps down that were
11844 (gnus-summary-down-thread (- n)))
11846 (defun gnus-summary-top-thread ()
11847 "Go to the top of the thread."
11849 (while (gnus-summary-go-up-thread))
11850 (gnus-summary-article-number))
11852 (defun gnus-summary-expire-thread ()
11853 "Mark articles under current thread as expired."
11855 (gnus-summary-kill-thread 0))
11857 (defun gnus-summary-kill-thread (&optional unmark)
11858 "Mark articles under current thread as read.
11859 If the prefix argument is positive, remove any kinds of marks.
11860 If the prefix argument is zero, mark thread as expired.
11861 If the prefix argument is negative, tick articles instead."
11864 (setq unmark (prefix-numeric-value unmark)))
11865 (let ((articles (gnus-summary-articles-in-thread))
11866 (hide (or (null unmark) (= unmark 0))))
11868 ;; Expand the thread.
11869 (gnus-summary-show-thread)
11870 ;; Mark all the articles.
11872 (gnus-summary-goto-subject (car articles))
11873 (cond ((null unmark)
11874 (gnus-summary-mark-article-as-read gnus-killed-mark))
11876 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11878 (gnus-summary-mark-article nil gnus-expirable-mark))
11880 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11881 (setq articles (cdr articles))))
11882 ;; Hide killed subtrees when hide is true.
11884 gnus-thread-hide-killed
11885 (gnus-summary-hide-thread))
11886 ;; If hide is t, go to next unread subject.
11888 ;; Go to next unread subject.
11889 (gnus-summary-next-subject 1 t)))
11890 (gnus-set-mode-line 'summary))
11892 ;; Summary sorting commands
11894 (defun gnus-summary-sort-by-number (&optional reverse)
11895 "Sort the summary buffer by article number.
11896 Argument REVERSE means reverse order."
11898 (gnus-summary-sort 'number reverse))
11900 (defun gnus-summary-sort-by-most-recent-number (&optional reverse)
11901 "Sort the summary buffer by most recent article number.
11902 Argument REVERSE means reverse order."
11904 (gnus-summary-sort 'most-recent-number reverse))
11906 (defun gnus-summary-sort-by-random (&optional reverse)
11907 "Randomize the order in the summary buffer.
11908 Argument REVERSE means to randomize in reverse order."
11910 (gnus-summary-sort 'random reverse))
11912 (defun gnus-summary-sort-by-author (&optional reverse)
11913 "Sort the summary buffer by author name alphabetically.
11914 If `case-fold-search' is non-nil, case of letters is ignored.
11915 Argument REVERSE means reverse order."
11917 (gnus-summary-sort 'author reverse))
11919 (defun gnus-summary-sort-by-recipient (&optional reverse)
11920 "Sort the summary buffer by recipient name alphabetically.
11921 If `case-fold-search' is non-nil, case of letters is ignored.
11922 Argument REVERSE means reverse order."
11924 (gnus-summary-sort 'recipient reverse))
11926 (defun gnus-summary-sort-by-subject (&optional reverse)
11927 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11928 If `case-fold-search' is non-nil, case of letters is ignored.
11929 Argument REVERSE means reverse order."
11931 (gnus-summary-sort 'subject reverse))
11933 (defun gnus-summary-sort-by-date (&optional reverse)
11934 "Sort the summary buffer by date.
11935 Argument REVERSE means reverse order."
11937 (gnus-summary-sort 'date reverse))
11939 (defun gnus-summary-sort-by-most-recent-date (&optional reverse)
11940 "Sort the summary buffer by most recent date.
11941 Argument REVERSE means reverse order."
11943 (gnus-summary-sort 'most-recent-date reverse))
11945 (defun gnus-summary-sort-by-score (&optional reverse)
11946 "Sort the summary buffer by score.
11947 Argument REVERSE means reverse order."
11949 (gnus-summary-sort 'score reverse))
11951 (defun gnus-summary-sort-by-lines (&optional reverse)
11952 "Sort the summary buffer by the number of lines.
11953 Argument REVERSE means reverse order."
11955 (gnus-summary-sort 'lines reverse))
11957 (defun gnus-summary-sort-by-chars (&optional reverse)
11958 "Sort the summary buffer by article length.
11959 Argument REVERSE means reverse order."
11961 (gnus-summary-sort 'chars reverse))
11963 (defun gnus-summary-sort-by-original (&optional reverse)
11964 "Sort the summary buffer using the default sorting method.
11965 Argument REVERSE means reverse order."
11967 (let* ((inhibit-read-only t)
11968 (gnus-summary-prepare-hook nil))
11969 ;; We do the sorting by regenerating the threads.
11970 (gnus-summary-prepare)
11971 ;; Hide subthreads if needed.
11972 (gnus-summary-maybe-hide-threads)))
11974 (defun gnus-summary-sort (predicate reverse)
11975 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11976 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11977 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11978 (gnus-thread-sort-functions
11983 (gnus-sort-gathered-threads-function
11984 gnus-thread-sort-functions)
11985 (gnus-article-sort-functions
11989 (,article t2 t1))))
11990 (inhibit-read-only t)
11991 (gnus-summary-prepare-hook nil))
11992 ;; We do the sorting by regenerating the threads.
11993 (gnus-summary-prepare)
11994 ;; Hide subthreads if needed.
11995 (gnus-summary-maybe-hide-threads)))
11997 ;; Summary saving commands.
11999 (defun gnus-summary-save-article (&optional n not-saved)
12000 "Save the current article using the default saver function.
12001 If N is a positive number, save the N next articles.
12002 If N is a negative number, save the N previous articles.
12003 If N is nil and any articles have been marked with the process mark,
12004 save those articles instead.
12005 The variable `gnus-default-article-saver' specifies the saver function.
12007 If the optional second argument NOT-SAVED is non-nil, articles saved
12008 will not be marked as saved."
12010 (require 'gnus-art)
12011 (let* ((articles (gnus-summary-work-articles n))
12012 (save-buffer (save-excursion
12013 (nnheader-set-temp-buffer " *Gnus Save*")))
12014 (num (length articles))
12015 ;; Whether to save decoded articles or raw articles.
12016 (decode (when gnus-article-save-coding-system
12017 (get gnus-default-article-saver :decode)))
12018 ;; When saving many articles in a single file, use the other
12019 ;; function to save articles other than the first one.
12020 (saver2 (get gnus-default-article-saver :function))
12021 (gnus-prompt-before-saving (if saver2
12023 gnus-prompt-before-saving))
12024 (gnus-default-article-saver gnus-default-article-saver)
12026 (dolist (article articles)
12027 (setq header (gnus-summary-article-header article))
12028 (if (not (vectorp header))
12029 ;; This is a pseudo-article.
12030 (if (assq 'name header)
12031 (gnus-copy-file (cdr (assq 'name header)))
12032 (gnus-message 1 "Article %d is unsavable" article))
12033 ;; This is a real article.
12034 (save-window-excursion
12035 (gnus-summary-select-article decode decode nil article)
12036 (gnus-summary-goto-subject article))
12037 (with-current-buffer save-buffer
12039 (insert-buffer-substring (if decode
12040 gnus-article-buffer
12041 gnus-original-article-buffer)))
12042 (setq file (gnus-article-save save-buffer file num))
12043 (gnus-summary-remove-process-mark article)
12045 (gnus-summary-set-saved-mark article)))
12047 (setq gnus-default-article-saver saver2
12049 (gnus-kill-buffer save-buffer)
12050 (gnus-summary-position-point)
12051 (gnus-set-mode-line 'summary)
12054 (declare-function gnus-summary-save-in-pipe "gnus-art" (&optional command raw))
12056 (defun gnus-summary-pipe-output (&optional n sym)
12057 "Pipe the current article to a subprocess.
12058 If N is a positive number, pipe the N next articles.
12059 If N is a negative number, pipe the N previous articles.
12060 If N is nil and any articles have been marked with the process mark,
12061 pipe those articles instead.
12062 The default command to which articles are piped is specified by the
12063 variable `gnus-summary-pipe-output-default-command'; if it is nil, you
12064 will be prompted for the command.
12066 The properties `:decode' and `:headers' that are put to the function
12067 symbol `gnus-summary-save-in-pipe' control whether this function
12068 decodes articles and what headers to keep (see the doc string for the
12069 `gnus-default-article-saver' variable). If SYM (the symbolic prefix)
12070 is neither omitted nor the symbol `r', force including all headers
12071 regardless of the `:headers' property. If it is the symbol `r',
12072 articles that are not decoded and include all headers will be piped
12073 no matter what the properties `:decode' and `:headers' are."
12074 (interactive (gnus-interactive "P\ny"))
12075 (require 'gnus-art)
12076 (let* ((articles (gnus-summary-work-articles n))
12077 (result-buffer "*Shell Command Output*")
12078 (all-headers (not (memq sym '(nil r))))
12079 (gnus-save-all-headers (or all-headers gnus-save-all-headers))
12081 (headers (get 'gnus-summary-save-in-pipe :headers))
12083 (unless (numberp (car articles))
12084 (error "No article to pipe"))
12085 (setq command (gnus-read-shell-command
12086 (concat "Shell command on "
12088 (format "these %d articles" (length articles))
12091 gnus-summary-pipe-output-default-command))
12092 (when (string-equal command "")
12093 (error "A command is required"))
12095 (put 'gnus-summary-save-in-pipe :headers nil))
12098 (gnus-summary-goto-subject (pop articles))
12099 (save-window-excursion (gnus-summary-save-in-pipe command raw))
12100 (when (and (get-buffer result-buffer)
12101 (not (zerop (buffer-size (get-buffer result-buffer)))))
12102 (setq result (concat result (with-current-buffer result-buffer
12103 (buffer-string))))))
12104 (put 'gnus-summary-save-in-pipe :headers headers))
12105 (unless (zerop (length result))
12106 (if (with-current-buffer (get-buffer-create result-buffer)
12110 (and (= (count-lines (point-min) (point)) 1)
12113 (<= (current-column)
12114 (window-width (minibuffer-window)))))
12115 (goto-char (point-min))))
12116 (message "%s" (substring result 0 -1))
12118 (gnus-configure-windows 'pipe)))))
12120 (defun gnus-summary-save-article-mail (&optional arg)
12121 "Append the current article to a Unix mail box file.
12122 If N is a positive number, save the N next articles.
12123 If N is a negative number, save the N previous articles.
12124 If N is nil and any articles have been marked with the process mark,
12125 save those articles instead."
12127 (require 'gnus-art)
12128 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
12129 (gnus-summary-save-article arg)))
12131 (defun gnus-summary-save-article-rmail (&optional arg)
12132 "Append the current article to an rmail file.
12133 If N is a positive number, save the N next articles.
12134 If N is a negative number, save the N previous articles.
12135 If N is nil and any articles have been marked with the process mark,
12136 save those articles instead."
12138 (require 'gnus-art)
12139 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
12140 (gnus-summary-save-article arg)))
12142 (defun gnus-summary-save-article-file (&optional arg)
12143 "Append the current article to a file.
12144 If N is a positive number, save the N next articles.
12145 If N is a negative number, save the N previous articles.
12146 If N is nil and any articles have been marked with the process mark,
12147 save those articles instead."
12149 (require 'gnus-art)
12150 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
12151 (gnus-summary-save-article arg)))
12153 (defun gnus-summary-write-article-file (&optional arg)
12154 "Write the current article to a file, deleting the previous file.
12155 If N is a positive number, save the N next articles.
12156 If N is a negative number, save the N previous articles.
12157 If N is nil and any articles have been marked with the process mark,
12158 save those articles instead."
12160 (require 'gnus-art)
12161 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
12162 (gnus-summary-save-article arg)))
12164 (defun gnus-summary-save-article-body-file (&optional arg)
12165 "Append the current article body to a file.
12166 If N is a positive number, save the N next articles.
12167 If N is a negative number, save the N previous articles.
12168 If N is nil and any articles have been marked with the process mark,
12169 save those articles instead."
12171 (require 'gnus-art)
12172 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
12173 (gnus-summary-save-article arg)))
12175 (defun gnus-summary-write-article-body-file (&optional arg)
12176 "Write the current article body to a file, deleting the previous file.
12177 If N is a positive number, save the N next articles.
12178 If N is a negative number, save the N previous articles.
12179 If N is nil and any articles have been marked with the process mark,
12180 save those articles instead."
12182 (require 'gnus-art)
12183 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
12184 (gnus-summary-save-article arg)))
12186 (defun gnus-summary-muttprint (&optional arg)
12187 "Print the current article using Muttprint.
12188 If N is a positive number, save the N next articles.
12189 If N is a negative number, save the N previous articles.
12190 If N is nil and any articles have been marked with the process mark,
12191 save those articles instead."
12193 (require 'gnus-art)
12194 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
12195 (gnus-summary-save-article arg t)))
12197 (defun gnus-summary-pipe-message (program)
12198 "Pipe the current article through PROGRAM."
12199 (interactive "sProgram: ")
12200 (gnus-summary-select-article)
12201 (let ((mail-header-separator ""))
12202 (gnus-eval-in-buffer-window gnus-article-buffer
12205 (let ((start (window-start))
12206 (inhibit-read-only t))
12207 (message-pipe-buffer-body program)
12208 (set-window-start (get-buffer-window (current-buffer)) start))))))
12210 (defun gnus-get-split-value (methods)
12211 "Return a value based on the split METHODS."
12212 (let (split-name method result match)
12214 (with-current-buffer gnus-original-article-buffer
12216 (nnheader-narrow-to-headers)
12217 (while (and methods (not split-name))
12218 (goto-char (point-min))
12219 (setq method (pop methods))
12220 (setq match (car method))
12223 ;; Regular expression.
12225 (re-search-forward match nil t)))
12230 (setq result (funcall match gnus-newsgroup-name))))
12235 (setq result (eval match)))))
12236 (setq split-name (cdr method))
12237 (cond ((stringp result)
12238 (push (expand-file-name
12239 result gnus-article-save-directory)
12242 (setq split-name (append result split-name)))))))))
12243 (nreverse split-name)))
12245 (defun gnus-valid-move-group-p (group)
12246 (and (symbolp group)
12248 (symbol-name group)
12249 (symbol-value group)
12250 (gnus-get-function (gnus-find-method-for-group
12251 (symbol-name group)) 'request-accept-article t)))
12253 (defun gnus-read-move-group-name (prompt default articles prefix)
12254 "Read a group name."
12255 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
12256 (minibuffer-confirm-incomplete nil) ; XEmacs
12260 (if (> (length articles) 1)
12261 (format "these %d articles" (length articles))
12266 (gnus-group-completing-read
12268 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12269 nil prefix nil default))
12270 ((= 1 (length split-name))
12271 (gnus-group-completing-read
12273 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12274 nil prefix 'gnus-group-history (car split-name)))
12276 (gnus-completing-read
12277 prom (nreverse split-name) nil nil 'gnus-group-history))))
12278 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
12281 (if (or (string= to-newsgroup "")
12282 (string= to-newsgroup prefix))
12283 (setq to-newsgroup default))
12284 (unless to-newsgroup
12285 (error "No group name entered"))
12286 (setq encoded (mm-encode-coding-string
12288 (gnus-group-name-charset to-method to-newsgroup)))
12289 (or (gnus-active encoded)
12290 (gnus-activate-group encoded nil nil to-method)
12291 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
12293 (or (and (gnus-request-create-group encoded to-method)
12294 (gnus-activate-group encoded nil nil to-method)
12295 (gnus-subscribe-group encoded))
12296 (error "Couldn't create group %s" to-newsgroup)))
12297 (error "No such group: %s" to-newsgroup))
12300 (defvar gnus-summary-save-parts-counter)
12301 (declare-function mm-uu-dissect "mm-uu" (&optional noheader mime-type))
12303 (defun gnus-summary-save-parts (type dir n &optional reverse)
12304 "Save parts matching TYPE to DIR.
12305 If REVERSE, save parts that do not match TYPE."
12307 (list (read-string "Save parts of type: "
12308 (or (car gnus-summary-save-parts-type-history)
12309 gnus-summary-save-parts-default-mime)
12310 'gnus-summary-save-parts-type-history)
12311 (setq gnus-summary-save-parts-last-directory
12312 (read-directory-name "Save to directory: "
12313 gnus-summary-save-parts-last-directory
12315 current-prefix-arg))
12316 (gnus-summary-iterate n
12317 (let ((gnus-display-mime-function nil)
12318 gnus-article-prepare-hook
12319 gnus-article-decode-hook
12320 gnus-display-mime-function
12322 (gnus-inhibit-treatment t))
12323 (gnus-summary-select-article))
12324 (with-current-buffer gnus-article-buffer
12325 (let ((handles (or gnus-article-mime-handles
12326 (mm-dissect-buffer nil gnus-article-loose-mime)
12327 (and gnus-article-emulate-mime
12329 (gnus-summary-save-parts-counter 1))
12331 (gnus-summary-save-parts-1 type dir handles reverse)
12332 (unless gnus-article-mime-handles ;; Don't destroy this case.
12333 (mm-destroy-parts handles)))))))
12335 (defun gnus-summary-save-parts-1 (type dir handle reverse)
12336 (if (stringp (car handle))
12337 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
12340 (not (string-match type (mm-handle-media-type handle)))
12341 (string-match type (mm-handle-media-type handle)))
12342 (let ((file (expand-file-name
12344 mm-file-name-rewrite-functions
12345 (file-name-nondirectory
12347 (mm-handle-filename handle)
12348 (format "%s.%d.%d" gnus-newsgroup-name
12349 (cdr gnus-article-current)
12350 gnus-summary-save-parts-counter))))
12352 (incf gnus-summary-save-parts-counter)
12353 (unless (file-exists-p file)
12354 (mm-save-part-to-file handle file))))))
12356 ;; Summary extract commands
12358 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
12359 (let ((inhibit-read-only t)
12360 (article (gnus-summary-article-number))
12362 (unless (gnus-summary-goto-subject article)
12363 (error "No such article: %d" article))
12364 (gnus-summary-position-point)
12365 ;; If all commands are to be bunched up on one line, we collect
12367 (unless gnus-view-pseudos-separately
12368 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
12371 (setq action (cdr (assq 'action (car ps))))
12372 (setq files (list (cdr (assq 'name (car ps)))))
12373 (while (and ps (cdr ps)
12374 (string= (or action "1")
12375 (or (cdr (assq 'action (cadr ps))) "2")))
12376 (push (cdr (assq 'name (cadr ps))) files)
12377 (setcdr ps (cddr ps)))
12379 (when (not (string-match "%s" action))
12382 (when (assq 'execute (car ps))
12383 (setcdr (assq 'execute (car ps))
12384 (funcall (if (string-match "%s" action)
12391 (shell-quote-argument f)))
12393 (setq ps (cdr ps)))))
12394 (if (and gnus-view-pseudos (not not-view))
12396 (when (assq 'execute (car pslist))
12397 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12398 (eq gnus-view-pseudos 'not-confirm)))
12399 (setq pslist (cdr pslist)))
12402 (setq after-article (or (cdr (assq 'article (car pslist)))
12403 (gnus-summary-article-number)))
12404 (gnus-summary-goto-subject after-article)
12407 (insert " " (file-name-nondirectory
12408 (cdr (assq 'name (car pslist))))
12409 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12411 (forward-line -1) ; back to `b'
12412 (gnus-add-text-properties
12413 b (1- e) (list 'gnus-number gnus-reffed-article-number
12414 gnus-mouse-face-prop gnus-mouse-face))
12416 after-article gnus-reffed-article-number
12417 gnus-unread-mark b (car pslist) 0 (- e b))
12418 (setq gnus-newsgroup-unreads
12419 (gnus-add-to-sorted-list gnus-newsgroup-unreads
12420 gnus-reffed-article-number))
12421 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12422 (setq pslist (cdr pslist)))))))
12424 (defun gnus-pseudos< (p1 p2)
12425 (let ((c1 (cdr (assq 'action p1)))
12426 (c2 (cdr (assq 'action p2))))
12427 (and c1 c2 (string< c1 c2))))
12429 (defun gnus-request-pseudo-article (props)
12430 (cond ((assq 'execute props)
12431 (gnus-execute-command (cdr (assq 'execute props)))))
12432 (let ((gnus-current-article (gnus-summary-article-number)))
12433 (gnus-run-hooks 'gnus-mark-article-hook)))
12435 (defun gnus-execute-command (command &optional automatic)
12437 (gnus-article-setup-buffer)
12438 (set-buffer gnus-article-buffer)
12439 (setq buffer-read-only nil)
12440 (let ((command (if automatic command
12441 (read-string "Command: " (cons command 0)))))
12443 (insert "$ " command "\n\n")
12444 (if gnus-view-pseudo-asynchronously
12445 (start-process "gnus-execute" (current-buffer) shell-file-name
12446 shell-command-switch command)
12447 (call-process shell-file-name nil t nil
12448 shell-command-switch command)))))
12450 ;; Summary kill commands.
12452 (defun gnus-summary-edit-global-kill (article)
12453 "Edit the \"global\" kill file."
12454 (interactive (list (gnus-summary-article-number)))
12455 (gnus-group-edit-global-kill article))
12457 (defun gnus-summary-edit-local-kill ()
12458 "Edit a local kill file applied to the current newsgroup."
12460 (setq gnus-current-headers (gnus-summary-article-header))
12461 (gnus-group-edit-local-kill
12462 (gnus-summary-article-number) gnus-newsgroup-name))
12464 ;;; Header reading.
12466 (defun gnus-read-header (id &optional header)
12467 "Read the headers of article ID and enter them into the Gnus system."
12468 (let ((group gnus-newsgroup-name)
12469 (gnus-override-method
12471 gnus-override-method
12472 (and (gnus-news-group-p gnus-newsgroup-name)
12473 (car (gnus-refer-article-methods)))))
12475 ;; First we check to see whether the header in question is already
12478 ;; This is a Message-ID.
12479 (setq header (or header (gnus-id-to-header id)))
12480 ;; This is an article number.
12481 (setq header (or header (gnus-summary-article-header id))))
12483 (not (gnus-summary-article-sparse-p (mail-header-number header))))
12484 ;; We have found the header.
12486 ;; We have to really fetch the header to this article.
12487 (with-current-buffer nntp-server-buffer
12488 (when (setq where (gnus-request-head id group))
12489 (nnheader-fold-continuation-lines)
12490 (goto-char (point-max))
12492 (goto-char (point-min))
12496 ((cdr where) (cdr where))
12497 (header (mail-header-number header))
12498 (t gnus-reffed-article-number))
12500 (insert " Article retrieved.\n"))
12501 (if (or (not where)
12502 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
12503 () ; Malformed head.
12504 (unless (gnus-summary-article-sparse-p (mail-header-number header))
12505 (when (and (bound-and-true-p gnus-registry-enabled)
12506 (not (gnus-ephemeral-group-p (car where))))
12507 (gnus-registry-handle-action
12508 (mail-header-id header) nil
12509 (gnus-group-prefixed-name
12511 (or gnus-override-method (gnus-find-method-for-group group)))
12512 (mail-header-subject header)
12513 (mail-header-from header)))
12514 (when (and (stringp id)
12516 (not (string= (gnus-group-real-name group)
12518 (not (gnus-server-equal gnus-override-method
12519 (gnus-group-method group)))))
12520 ;; If we fetched by Message-ID and the article came from
12521 ;; a different group (or server), we fudge some bogus
12522 ;; article numbers for this article.
12523 (mail-header-set-number header gnus-reffed-article-number))
12524 (with-current-buffer gnus-summary-buffer
12525 (decf gnus-reffed-article-number)
12526 (gnus-remove-header (mail-header-number header))
12527 (push header gnus-newsgroup-headers)
12528 (setq gnus-current-headers header)
12529 (push (mail-header-number header) gnus-newsgroup-limit)))
12532 (defun gnus-remove-header (number)
12533 "Remove header NUMBER from `gnus-newsgroup-headers'."
12534 (if (and gnus-newsgroup-headers
12535 (= number (mail-header-number (car gnus-newsgroup-headers))))
12536 (pop gnus-newsgroup-headers)
12537 (let ((headers gnus-newsgroup-headers))
12538 (while (and (cdr headers)
12539 (not (= number (mail-header-number (cadr headers)))))
12541 (when (cdr headers)
12542 (setcdr headers (cddr headers))))))
12545 ;;; summary highlights
12548 (defun gnus-highlight-selected-summary ()
12549 "Highlight selected article in summary buffer."
12550 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12551 (when gnus-summary-selected-face
12553 (let* ((beg (point-at-bol))
12554 (end (point-at-eol))
12555 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12556 (from (if (get-text-property beg gnus-mouse-face-prop)
12558 (or (next-single-property-change
12559 beg gnus-mouse-face-prop nil end)
12564 (or (next-single-property-change
12565 from gnus-mouse-face-prop nil end)
12567 ;; If no mouse-face prop on line we will have to = from = end,
12568 ;; so we highlight the entire line instead.
12569 (when (= (+ to 2) from)
12572 (if gnus-newsgroup-selected-overlay
12573 ;; Move old overlay.
12575 gnus-newsgroup-selected-overlay from to (current-buffer))
12576 ;; Create new overlay.
12578 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12579 'face gnus-summary-selected-face))))))
12581 (defvar gnus-summary-highlight-line-cached nil)
12582 (defvar gnus-summary-highlight-line-trigger nil)
12584 (defun gnus-summary-highlight-line-0 ()
12585 (if (and (eq gnus-summary-highlight-line-trigger
12586 gnus-summary-highlight)
12587 gnus-summary-highlight-line-cached)
12588 gnus-summary-highlight-line-cached
12589 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12590 gnus-summary-highlight-line-cached
12591 (let* ((cond (list 'cond))
12593 (list gnus-summary-highlight))
12595 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12599 (gnus-byte-compile (list 'lambda nil cond))))))
12601 (defun gnus-summary-highlight-line ()
12602 "Highlight current line according to `gnus-summary-highlight'."
12603 (let* ((beg (point-at-bol))
12604 (article (or (gnus-summary-article-number) gnus-current-article))
12605 (score (or (cdr (assq article
12606 gnus-newsgroup-scored))
12607 gnus-summary-default-score 0))
12608 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12609 (inhibit-read-only t)
12610 (default gnus-summary-default-score)
12611 (default-high gnus-summary-default-high-score)
12612 (default-low gnus-summary-default-low-score)
12613 (uncached (and gnus-summary-use-undownloaded-faces
12614 (memq article gnus-newsgroup-undownloaded)
12615 (not (memq article gnus-newsgroup-cached)))))
12616 (let ((face (funcall (gnus-summary-highlight-line-0))))
12617 (unless (eq face (gnus-get-text-property-excluding-characters-with-faces beg 'face))
12618 (gnus-put-text-property-excluding-characters-with-faces
12619 beg (point-at-eol) 'face
12620 (setq face (if (boundp face) (symbol-value face) face)))
12621 (when gnus-summary-highlight-line-function
12622 (funcall gnus-summary-highlight-line-function article face))))))
12624 (defun gnus-update-read-articles (group unread &optional compute)
12625 "Update the list of read articles in GROUP.
12626 UNREAD is a sorted list."
12627 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12628 (info (gnus-get-info group))
12631 (if (or (not info) (not active))
12632 ;; There is no info on this group if it was, in fact,
12633 ;; killed. Gnus stores no information on killed groups, so
12634 ;; there's nothing to be done.
12635 ;; One could store the information somewhere temporarily,
12636 ;; perhaps... Hmmm...
12638 ;; Remove any negative articles numbers.
12639 (while (and unread (< (car unread) 0))
12640 (setq unread (cdr unread)))
12641 ;; Remove any expired article numbers
12642 (while (and unread (< (car unread) (car active)))
12643 (setq unread (cdr unread)))
12644 ;; Compute the ranges of read articles by looking at the list of
12645 ;; unread articles.
12647 (when (/= (car unread) prev)
12648 (push (if (= prev (1- (car unread))) prev
12649 (cons prev (1- (car unread))))
12651 (setq prev (1+ (car unread)))
12652 (setq unread (cdr unread)))
12653 (when (<= prev (cdr active))
12654 (push (cons prev (cdr active)) read))
12655 (setq read (if (> (length read) 1) (nreverse read) read))
12660 ;; Propagate the read marks to the backend.
12661 (when (and (gnus-method-option-p
12662 (gnus-find-method-for-group group)
12664 (gnus-check-backend-function 'request-set-mark group))
12665 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12666 (add (gnus-remove-from-range read (gnus-info-read info))))
12668 (unless (gnus-check-group group)
12669 (error "Can't open server for %s" group))
12670 (gnus-request-set-mark
12671 group (delq nil (list (if add (list add 'add '(read)))
12672 (if del (list del 'del '(read))))))
12674 `(gnus-request-set-mark
12677 (if del (list del 'add '(read)))
12678 (if add (list add 'del '(read))))))))))
12679 (set-buffer gnus-group-buffer)
12680 (gnus-undo-register
12682 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12683 (gnus-info-set-read ',info ',(gnus-info-read info))
12684 (gnus-get-unread-articles-in-group ',info
12685 (gnus-active ,group))
12686 (gnus-group-update-group ,group t)
12688 ;; Enter this list into the group info.
12689 (gnus-info-set-read info read)
12690 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12691 (gnus-get-unread-articles-in-group info (gnus-active group))
12694 (defun gnus-offer-save-summaries ()
12695 "Offer to save all active summary buffers."
12697 ;; Go through all buffers and find all summaries.
12698 (dolist (buffer (buffer-list))
12699 (when (and (setq buffer (buffer-name buffer))
12700 (string-match "Summary" buffer)
12701 (with-current-buffer buffer
12702 ;; We check that this is, indeed, a summary buffer.
12703 (and (derived-mode-p 'gnus-summary-mode)
12704 ;; Also make sure this isn't bogus.
12705 gnus-newsgroup-prepared
12706 ;; Also make sure that this isn't a
12707 ;; dead summary buffer.
12708 (not gnus-dead-summary-mode))))
12709 (push buffer buffers)))
12710 ;; Go through all these summary buffers and offer to save them.
12713 (if (eq gnus-interactive-exit 'quiet)
12714 (dolist (buffer buffers)
12715 (switch-to-buffer buffer)
12716 (gnus-summary-exit))
12718 "Update summary buffer %s? "
12720 (switch-to-buffer buf)
12721 (gnus-summary-exit))
12724 (defun gnus-summary-setup-default-charset ()
12725 "Setup newsgroup default charset."
12726 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12727 (setq gnus-newsgroup-charset nil)
12728 (let* ((ignored-charsets
12729 (or gnus-newsgroup-ephemeral-ignored-charsets
12731 (and gnus-newsgroup-name
12732 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12733 gnus-newsgroup-ignored-charsets))))
12734 (setq gnus-newsgroup-charset
12735 (or gnus-newsgroup-ephemeral-charset
12736 (and gnus-newsgroup-name
12737 (gnus-parameter-charset gnus-newsgroup-name))
12738 gnus-default-charset))
12739 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12740 ignored-charsets))))
12746 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12747 "Display the current article buffer fully MIME-buttonized.
12748 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12749 treated as multipart/mixed."
12751 (require 'gnus-art)
12752 (let ((gnus-unbuttonized-mime-types nil)
12753 (gnus-mime-display-multipart-as-mixed show-all-parts))
12754 (gnus-summary-show-article)))
12756 (defun gnus-summary-repair-multipart (article)
12757 "Add a Content-Type header to a multipart article without one."
12758 (interactive (list (gnus-summary-article-number)))
12759 (gnus-with-article article
12760 (message-narrow-to-head)
12761 (message-remove-header "Mime-Version")
12762 (goto-char (point-max))
12763 (insert "Mime-Version: 1.0\n")
12765 (when (search-forward "\n--" nil t)
12766 (let ((separator (buffer-substring (point) (point-at-eol))))
12767 (message-narrow-to-head)
12768 (message-remove-header "Content-Type")
12769 (goto-char (point-max))
12770 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12773 (let (gnus-mark-article-hook)
12774 (gnus-summary-select-article t t nil article)))
12776 (defun gnus-summary-toggle-display-buttonized ()
12777 "Toggle the buttonizing of the article buffer."
12779 (require 'gnus-art)
12780 (if (setq gnus-inhibit-mime-unbuttonizing
12781 (not gnus-inhibit-mime-unbuttonizing))
12782 (let ((gnus-unbuttonized-mime-types nil))
12783 (gnus-summary-show-article))
12784 (gnus-summary-show-article)))
12787 ;;; Generic summary marking commands
12790 (defvar gnus-summary-marking-alist
12791 '((read gnus-del-mark "d")
12792 (unread gnus-unread-mark "u")
12793 (ticked gnus-ticked-mark "!")
12794 (dormant gnus-dormant-mark "?")
12795 (expirable gnus-expirable-mark "e"))
12796 "An alist of names/marks/keystrokes.")
12798 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12799 (defvar gnus-summary-mark-map)
12801 (defun gnus-summary-make-all-marking-commands ()
12802 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12803 (dolist (elem gnus-summary-marking-alist)
12804 (apply 'gnus-summary-make-marking-command elem)))
12806 (defun gnus-summary-make-marking-command (name mark keystroke)
12807 (let ((map (make-sparse-keymap)))
12808 (define-key gnus-summary-generic-mark-map keystroke map)
12809 (dolist (lway `((next "next" next nil "n")
12810 (next-unread "next unread" next t "N")
12811 (prev "previous" prev nil "p")
12812 (prev-unread "previous unread" prev t "P")
12813 (nomove "" nil nil ,keystroke)))
12814 (let ((func (gnus-summary-make-marking-command-1
12815 mark (car lway) lway name)))
12816 (setq func (eval func))
12817 (define-key map (nth 4 lway) func)))))
12819 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12821 (format "gnus-summary-put-mark-as-%s%s"
12822 name (if (eq way 'nomove)
12824 (concat "-" (symbol-name way)))))
12827 "Mark the current article as %s%s.
12828 If N, the prefix, then repeat N times.
12829 If N is negative, move in reverse order.
12830 The difference between N and the actual number of articles marked is
12834 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12836 (defun gnus-summary-generic-mark (n mark move unread)
12837 "Mark N articles with MARK."
12838 (unless (derived-mode-p 'gnus-summary-mode)
12839 (error "This command can only be used in the summary buffer"))
12840 (gnus-summary-show-thread)
12843 ((eq move 'next) 1)
12844 ((eq move 'prev) -1)
12846 (if (zerop nummove)
12850 nummove (* -1 nummove))))
12851 (while (and (> n 0)
12852 (gnus-summary-mark-article nil mark)
12853 (zerop (gnus-summary-next-subject nummove unread t)))
12856 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12857 (gnus-summary-recenter)
12858 (gnus-summary-position-point)
12859 (gnus-set-mode-line 'summary)
12862 (defun gnus-summary-insert-articles (articles)
12863 (when (setq articles
12864 (gnus-sorted-difference articles
12865 (mapcar (lambda (h)
12866 (mail-header-number h))
12867 gnus-newsgroup-headers)))
12868 (setq gnus-newsgroup-headers
12870 gnus-newsgroup-headers
12871 (gnus-fetch-headers articles nil t)
12872 'gnus-article-sort-by-number))
12873 (setq gnus-newsgroup-articles
12874 (gnus-sorted-nunion gnus-newsgroup-articles articles))
12875 ;; Suppress duplicates?
12876 (when gnus-suppress-duplicates
12877 (gnus-dup-suppress-articles))
12879 (if (and gnus-fetch-old-headers
12880 (eq gnus-headers-retrieved-by 'nov))
12881 ;; We might want to build some more threads first.
12882 (if (eq gnus-fetch-old-headers 'invisible)
12883 (gnus-build-all-threads)
12884 (gnus-build-old-threads))
12885 ;; Mark the inserted articles that are unread as unread.
12886 (setq gnus-newsgroup-unreads
12887 (gnus-sorted-nunion
12888 gnus-newsgroup-unreads
12889 (gnus-sorted-nintersection
12890 (gnus-list-of-unread-articles gnus-newsgroup-name)
12892 ;; Mark the inserted articles as selected so that the information
12893 ;; of the marks having been changed by a user may be updated when
12894 ;; exiting this group. See `gnus-summary-update-info'.
12895 (dolist (art articles)
12896 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12897 ;; Let the Gnus agent mark articles as read.
12899 (gnus-agent-get-undownloaded-list))
12900 ;; Remove list identifiers from subject
12901 (gnus-summary-remove-list-identifiers)
12902 ;; First and last article in this newsgroup.
12903 (when gnus-newsgroup-headers
12904 (setq gnus-newsgroup-begin
12905 (mail-header-number (car gnus-newsgroup-headers))
12907 (mail-header-number
12908 (gnus-last-element gnus-newsgroup-headers))))
12909 (when gnus-use-scoring
12910 (gnus-possibly-score-headers))))
12912 (defun gnus-summary-insert-old-articles (&optional all)
12913 "Insert all old articles in this group.
12914 If ALL is non-nil, already read articles become readable.
12915 If ALL is a number, fetch this number of articles."
12918 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12921 ;; Some nntp servers lie about their active range. When
12922 ;; this happens, the active range can be in the millions.
12923 ;; Use a compressed range to avoid creating a huge list.
12924 (gnus-range-difference
12925 (gnus-range-difference (list gnus-newsgroup-active) old)
12926 gnus-newsgroup-unexist))
12927 (setq len (gnus-range-length older))
12932 (let ((older-range (nreverse older)))
12936 (let* ((r (pop older-range))
12937 (min (if (numberp r) r (car r)))
12938 (max (if (numberp r) r (cdr r))))
12939 (while (and (<= min max)
12944 (setq older (gnus-uncompress-range older))))
12946 (setq older (gnus-uncompress-range older)))
12948 (when (and (numberp gnus-large-newsgroup)
12949 (> len gnus-large-newsgroup))
12950 (let* ((cursor-in-echo-area nil)
12951 (initial (gnus-parameter-large-newsgroup-initial
12952 gnus-newsgroup-name))
12956 "How many articles from %s (%s %d): "
12957 (gnus-group-decoded-name gnus-newsgroup-name)
12958 (if initial "max" "default")
12962 (number-to-string initial)))))
12963 (unless (string-match "^[ \t]*$" input)
12964 (setq all (string-to-number input))
12966 (let ((older-range (nreverse older)))
12970 (let* ((r (pop older-range))
12971 (min (if (numberp r) r (car r)))
12972 (max (if (numberp r) r (cdr r))))
12973 (while (and (<= min max)
12977 max (1- max))))))))))
12978 (setq older (gnus-uncompress-range older))))
12980 (message "No old news.")
12981 (gnus-summary-insert-articles older)
12982 (gnus-summary-limit (gnus-sorted-nunion old older))))
12983 (gnus-summary-position-point)))
12985 (defun gnus-summary-insert-new-articles ()
12986 "Insert all new articles in this group."
12988 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12989 (old-high gnus-newsgroup-highest)
12990 (nnmail-fetched-sources (list t))
12991 (new-active (gnus-activate-group gnus-newsgroup-name 'scan))
12994 (error "Couldn't fetch new data"))
12995 (setq gnus-newsgroup-active (gnus-copy-sequence new-active))
12996 (setq i (cdr gnus-newsgroup-active)
12997 gnus-newsgroup-highest i)
12998 (while (> i old-high)
13002 (message "No gnus is bad news")
13003 (gnus-summary-insert-articles new)
13004 (setq gnus-newsgroup-unreads
13005 (gnus-sorted-nunion gnus-newsgroup-unreads new))
13006 (gnus-summary-limit (gnus-sorted-nunion old new))))
13007 (gnus-summary-position-point))
13009 ;;; Bookmark support for Gnus.
13010 (declare-function gnus-article-show-summary "gnus-art" ())
13011 (declare-function bookmark-make-record-default
13012 "bookmark" (&optional no-file no-context posn))
13013 (declare-function bookmark-prop-get "bookmark" (bookmark prop))
13014 (declare-function bookmark-default-handler "bookmark" (bmk))
13015 (declare-function bookmark-get-bookmark-record "bookmark" (bmk))
13016 (defvar bookmark-yank-point)
13017 (defvar bookmark-current-buffer)
13019 (defun gnus-summary-bookmark-make-record ()
13020 "Make a bookmark entry for a Gnus summary buffer."
13022 (unless (and (derived-mode-p 'gnus-summary-mode) gnus-article-current)
13023 (save-restriction ; FIXME is it necessary to widen?
13024 (widen) (setq pos (point))) ; Set position in gnus-article buffer.
13025 (setq buf "art") ; We are recording bookmark from article buffer.
13026 (setq bookmark-yank-point (point))
13027 (setq bookmark-current-buffer (current-buffer))
13028 (gnus-article-show-summary)) ; Go back in summary buffer.
13029 ;; We are now recording bookmark from summary buffer.
13030 (unless buf (setq buf "sum"))
13031 (let* ((subject (elt (gnus-summary-article-header) 1))
13032 (grp (car gnus-article-current))
13033 (art (cdr gnus-article-current))
13034 (head (gnus-summary-article-header art))
13035 (id (mail-header-id head)))
13037 ,@(condition-case nil
13038 (bookmark-make-record-default 'no-file 'no-context pos)
13039 (wrong-number-of-arguments
13040 (bookmark-make-record-default 'point-only)))
13041 (location . ,(format "Gnus-%s %s:%d:%s" buf grp art id))
13042 (group . ,grp) (article . ,art)
13043 (message-id . ,id) (handler . gnus-summary-bookmark-jump)))))
13046 (defun gnus-summary-bookmark-jump (bookmark)
13047 "Handler function for record returned by `gnus-summary-bookmark-make-record'.
13048 BOOKMARK is a bookmark name or a bookmark record."
13049 (let ((group (bookmark-prop-get bookmark 'group))
13050 (article (bookmark-prop-get bookmark 'article))
13051 (id (bookmark-prop-get bookmark 'message-id))
13052 (buf (car (split-string (bookmark-prop-get bookmark 'location)))))
13053 (gnus-fetch-group group (list article))
13054 (gnus-summary-insert-cached-articles)
13055 (gnus-summary-goto-article id nil 'force)
13056 ;; FIXME we have to wait article buffer is ready (only large buffer)
13057 ;; Is there a better solution to know that?
13058 ;; If we don't wait `bookmark-default-handler' will have no chance
13059 ;; to set position. However there is no error, just wrong pos.
13061 (when (string= buf "Gnus-art")
13063 (bookmark-default-handler
13065 (buffer . ,(current-buffer))
13066 . ,(bookmark-get-bookmark-record bookmark)))))
13068 (gnus-summary-make-all-marking-commands)
13070 (gnus-ems-redefine)
13072 (provide 'gnus-sum)
13074 (run-hooks 'gnus-sum-load-hook)
13076 ;; Local Variables:
13080 ;;; gnus-sum.el ends here