1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
34 (defvar tool-bar-map))
51 (autoload 'pgg-decrypt-region "pgg" nil t)
52 (autoload 'pgg-verify-region "pgg" nil t))
54 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
55 (autoload 'gnus-cache-write-active "gnus-cache")
56 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
57 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
58 (autoload 'mm-uu-dissect "mm-uu")
59 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
60 "Deuglify broken Outlook (Express) articles and redisplay."
62 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
63 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
64 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
66 (defcustom gnus-kill-summary-on-exit t
67 "*If non-nil, kill the summary buffer when you exit from it.
68 If nil, the summary will become a \"*Dead Summary*\" buffer, and
69 it will be killed sometime later."
70 :group 'gnus-summary-exit
73 (defcustom gnus-fetch-old-headers nil
74 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
75 If an unread article in the group refers to an older, already read (or
76 just marked as read) article, the old article will not normally be
77 displayed in the Summary buffer. If this variable is non-nil, Gnus
78 will attempt to grab the headers to the old articles, and thereby
79 build complete threads. If it has the value `some', only enough
80 headers to connect otherwise loose threads will be displayed. This
81 variable can also be a number. In that case, no more than that number
82 of old headers will be fetched. If it has the value `invisible', all
83 old headers will be fetched, but none will be displayed.
85 The server has to support NOV for any of this to work."
87 :type '(choice (const :tag "off" nil)
90 (sexp :menu-tag "other" t)))
92 (defcustom gnus-refer-thread-limit 200
93 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
94 If t, fetch all the available old headers."
97 (sexp :menu-tag "other" t)))
99 (defcustom gnus-summary-make-false-root 'adopt
100 "*nil means that Gnus won't gather loose threads.
101 If the root of a thread has expired or been read in a previous
102 session, the information necessary to build a complete thread has been
103 lost. Instead of having many small sub-threads from this original thread
104 scattered all over the summary buffer, Gnus can gather them.
106 If non-nil, Gnus will try to gather all loose sub-threads from an
107 original thread into one large thread.
109 If this variable is non-nil, it should be one of `none', `adopt',
112 If this variable is `none', Gnus will not make a false root, but just
113 present the sub-threads after another.
114 If this variable is `dummy', Gnus will create a dummy root that will
115 have all the sub-threads as children.
116 If this variable is `adopt', Gnus will make one of the \"children\"
117 the parent and mark all the step-children as such.
118 If this variable is `empty', the \"children\" are printed with empty
119 subject fields. (Or rather, they will be printed with a string
120 given by the `gnus-summary-same-subject' variable.)"
122 :type '(choice (const :tag "off" nil)
128 (defcustom gnus-summary-make-false-root-always nil
129 "Always make a false dummy root."
133 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
134 "*A regexp to match subjects to be excluded from loose thread gathering.
135 As loose thread gathering is done on subjects only, that means that
136 there can be many false gatherings performed. By rooting out certain
137 common subjects, gathering might become saner."
141 (defcustom gnus-summary-gather-subject-limit nil
142 "*Maximum length of subject comparisons when gathering loose threads.
143 Use nil to compare full subjects. Setting this variable to a low
144 number will help gather threads that have been corrupted by
145 newsreaders chopping off subject lines, but it might also mean that
146 unrelated articles that have subject that happen to begin with the
147 same few characters will be incorrectly gathered.
149 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
152 :type '(choice (const :tag "off" nil)
154 (sexp :menu-tag "on" t)))
156 (defcustom gnus-simplify-subject-functions nil
157 "List of functions taking a string argument that simplify subjects.
158 The functions are applied recursively.
160 Useful functions to put in this list include:
161 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
162 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
164 :type '(repeat function))
166 (defcustom gnus-simplify-ignored-prefixes nil
167 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
169 :type '(choice (const :tag "off" nil)
172 (defcustom gnus-build-sparse-threads nil
173 "*If non-nil, fill in the gaps in threads.
174 If `some', only fill in the gaps that are needed to tie loose threads
175 together. If `more', fill in all leaf nodes that Gnus can find. If
176 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
178 :type '(choice (const :tag "off" nil)
181 (sexp :menu-tag "all" t)))
183 (defcustom gnus-summary-thread-gathering-function
184 'gnus-gather-threads-by-subject
185 "*Function used for gathering loose threads.
186 There are two pre-defined functions: `gnus-gather-threads-by-subject',
187 which only takes Subjects into consideration; and
188 `gnus-gather-threads-by-references', which compared the References
189 headers of the articles to find matches."
191 :type '(radio (function-item gnus-gather-threads-by-subject)
192 (function-item gnus-gather-threads-by-references)
193 (function :tag "other")))
195 (defcustom gnus-summary-same-subject ""
196 "*String indicating that the current article has the same subject as the previous.
197 This variable will only be used if the value of
198 `gnus-summary-make-false-root' is `empty'."
199 :group 'gnus-summary-format
202 (defcustom gnus-summary-goto-unread t
203 "*If t, many commands will go to the next unread article.
204 This applies to marking commands as well as other commands that
205 \"naturally\" select the next article, like, for instance, `SPC' at
206 the end of an article.
208 If nil, the marking commands do NOT go to the next unread article
209 \(they go to the next article instead). If `never', commands that
210 usually go to the next unread article, will go to the next article,
211 whether it is read or not."
212 :group 'gnus-summary-marks
213 :link '(custom-manual "(gnus)Setting Marks")
214 :type '(choice (const :tag "off" nil)
216 (sexp :menu-tag "on" t)))
218 (defcustom gnus-summary-default-score 0
219 "*Default article score level.
220 All scores generated by the score files will be added to this score.
221 If this variable is nil, scoring will be disabled."
222 :group 'gnus-score-default
223 :type '(choice (const :tag "disable")
226 (defcustom gnus-summary-default-high-score 0
227 "*Default threshold for a high scored article.
228 An article will be highlighted as high scored if its score is greater
230 :group 'gnus-score-default
233 (defcustom gnus-summary-default-low-score 0
234 "*Default threshold for a low scored article.
235 An article will be highlighted as low scored if its score is smaller
237 :group 'gnus-score-default
240 (defcustom gnus-summary-zcore-fuzz 0
241 "*Fuzziness factor for the zcore in the summary buffer.
242 Articles with scores closer than this to `gnus-summary-default-score'
244 :group 'gnus-summary-format
247 (defcustom gnus-simplify-subject-fuzzy-regexp nil
248 "*Strings to be removed when doing fuzzy matches.
249 This can either be a regular expression or list of regular expressions
250 that will be removed from subject strings if fuzzy subject
251 simplification is selected."
253 :type '(repeat regexp))
255 (defcustom gnus-show-threads t
256 "*If non-nil, display threads in summary mode."
260 (defcustom gnus-thread-hide-subtree nil
261 "*If non-nil, hide all threads initially.
262 This can be a predicate specifier which says which threads to hide.
263 If threads are hidden, you have to run the command
264 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
265 to expose hidden threads."
267 :type '(radio (sexp :format "Non-nil\n"
268 :match (lambda (widget value)
269 (not (or (consp value) (functionp value))))
272 (sexp :tag "Predicate specifier" :size 0)))
274 (defcustom gnus-thread-hide-killed t
275 "*If non-nil, hide killed threads automatically."
279 (defcustom gnus-thread-ignore-subject t
280 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
281 If nil, articles that have different subjects from their parents will
282 start separate threads."
286 (defcustom gnus-thread-operation-ignore-subject t
287 "*If non-nil, subjects will be ignored when doing thread commands.
288 This affects commands like `gnus-summary-kill-thread' and
289 `gnus-summary-lower-thread'.
291 If this variable is nil, articles in the same thread with different
292 subjects will not be included in the operation in question. If this
293 variable is `fuzzy', only articles that have subjects that are fuzzily
294 equal will be included."
296 :type '(choice (const :tag "off" nil)
300 (defcustom gnus-thread-indent-level 4
301 "*Number that says how much each sub-thread should be indented."
305 (defcustom gnus-auto-extend-newsgroup t
306 "*If non-nil, extend newsgroup forward and backward when requested."
307 :group 'gnus-summary-choose
310 (defcustom gnus-auto-select-first t
311 "*If non-nil, select the article under point.
312 Which article this is is controlled by the `gnus-auto-select-subject'
315 If you want to prevent automatic selection of articles in some
316 newsgroups, set the variable to nil in `gnus-select-group-hook'."
317 :group 'gnus-group-select
318 :type '(choice (const :tag "none" nil)
319 (sexp :menu-tag "first" t)))
321 (defcustom gnus-auto-select-subject 'unread
322 "*Says what subject to place under point when entering a group.
324 This variable can either be the symbols `first' (place point on the
325 first subject), `unread' (place point on the subject line of the first
326 unread article), `best' (place point on the subject line of the
327 higest-scored article), `unseen' (place point on the subject line of
328 the first unseen article), 'unseen-or-unread' (place point on the subject
329 line of the first unseen article or, if all article have been seen, on the
330 subject line of the first unread article), or a function to be called to
331 place point on some subject line."
332 :group 'gnus-group-select
333 :type '(choice (const best)
337 (const unseen-or-unread)))
339 (defcustom gnus-dont-select-after-jump-to-other-group nil
340 "If non-nil, don't select the first unread article after entering the
341 other group by the command `gnus-summary-jump-to-other-group'. If nil,
342 it is depend on the value of `gnus-auto-select-first' whether to select
344 :group 'gnus-group-select
347 (defcustom gnus-auto-select-next t
348 "*If non-nil, offer to go to the next group from the end of the previous.
349 If the value is t and the next newsgroup is empty, Gnus will exit
350 summary mode and go back to group mode. If the value is neither nil
351 nor t, Gnus will select the following unread newsgroup. In
352 particular, if the value is the symbol `quietly', the next unread
353 newsgroup will be selected without any confirmation, and if it is
354 `almost-quietly', the next group will be selected without any
355 confirmation if you are located on the last article in the group.
356 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
357 will go to the next group without confirmation."
358 :group 'gnus-summary-maneuvering
359 :type '(choice (const :tag "off" nil)
361 (const almost-quietly)
362 (const slightly-quietly)
363 (sexp :menu-tag "on" t)))
365 (defcustom gnus-auto-select-same nil
366 "*If non-nil, select the next article with the same subject.
367 If there are no more articles with the same subject, go to
368 the first unread article."
369 :group 'gnus-summary-maneuvering
372 (defcustom gnus-auto-goto-ignores 'unfetched
373 "*Says how to handle unfetched articles when maneuvering.
375 This variable can either be the symbols nil (maneuver to any
376 article), `undownloaded' (maneuvering while unplugged ignores articles
377 that have not been fetched), `always-undownloaded' (maneuvering always
378 ignores articles that have not been fetched), `unfetched' (maneuvering
379 ignores articles whose headers have not been fetched).
381 NOTE: The list of unfetched articles will always be nil when plugged
382 and, when unplugged, a subset of the undownloaded article list."
383 :group 'gnus-summary-maneuvering
384 :type '(choice (const :tag "None" nil)
385 (const :tag "Undownloaded when unplugged" undownloaded)
386 (const :tag "Undownloaded" always-undownloaded)
387 (const :tag "Unfetched" unfetched)))
389 (defcustom gnus-summary-check-current nil
390 "*If non-nil, consider the current article when moving.
391 The \"unread\" movement commands will stay on the same line if the
392 current article is unread."
393 :group 'gnus-summary-maneuvering
396 (defcustom gnus-auto-center-summary t
397 "*If non-nil, always center the current summary buffer.
398 In particular, if `vertical' do only vertical recentering. If non-nil
399 and non-`vertical', do both horizontal and vertical recentering."
400 :group 'gnus-summary-maneuvering
401 :type '(choice (const :tag "none" nil)
403 (integer :tag "height")
404 (sexp :menu-tag "both" t)))
406 (defvar gnus-auto-center-group t
407 "*If non-nil, always center the group buffer.")
409 (defcustom gnus-show-all-headers nil
410 "*If non-nil, don't hide any headers."
411 :group 'gnus-article-hiding
412 :group 'gnus-article-headers
415 (defcustom gnus-summary-ignore-duplicates nil
416 "*If non-nil, ignore articles with identical Message-ID headers."
420 (defcustom gnus-single-article-buffer t
421 "*If non-nil, display all articles in the same buffer.
422 If nil, each group will get its own article buffer."
423 :group 'gnus-article-various
426 (defcustom gnus-break-pages t
427 "*If non-nil, do page breaking on articles.
428 The page delimiter is specified by the `gnus-page-delimiter'
430 :group 'gnus-article-various
433 (defcustom gnus-show-mime t
434 "*If non-nil, do mime processing of articles.
435 The articles will simply be fed to the function given by
436 `gnus-article-display-method-for-mime'."
437 :group 'gnus-article-mime
440 (defcustom gnus-move-split-methods nil
441 "*Variable used to suggest where articles are to be moved to.
442 It uses the same syntax as the `gnus-split-methods' variable.
443 However, whereas `gnus-split-methods' specifies file names as targets,
444 this variable specifies group names."
445 :group 'gnus-summary-mail
446 :type '(repeat (choice (list :value (fun) function)
447 (cons :value ("" "") regexp (repeat string))
450 (defcustom gnus-unread-mark ?\ ;;;Whitespace
451 "*Mark used for unread articles."
452 :group 'gnus-summary-marks
455 (defcustom gnus-ticked-mark ?!
456 "*Mark used for ticked articles."
457 :group 'gnus-summary-marks
460 (defcustom gnus-dormant-mark ??
461 "*Mark used for dormant articles."
462 :group 'gnus-summary-marks
465 (defcustom gnus-del-mark ?r
466 "*Mark used for del'd articles."
467 :group 'gnus-summary-marks
470 (defcustom gnus-read-mark ?R
471 "*Mark used for read articles."
472 :group 'gnus-summary-marks
475 (defcustom gnus-expirable-mark ?E
476 "*Mark used for expirable articles."
477 :group 'gnus-summary-marks
480 (defcustom gnus-killed-mark ?K
481 "*Mark used for killed articles."
482 :group 'gnus-summary-marks
485 (defcustom gnus-spam-mark ?$
486 "*Mark used for spam articles."
487 :group 'gnus-summary-marks
490 (defcustom gnus-souped-mark ?F
491 "*Mark used for souped articles."
492 :group 'gnus-summary-marks
495 (defcustom gnus-kill-file-mark ?X
496 "*Mark used for articles killed by kill files."
497 :group 'gnus-summary-marks
500 (defcustom gnus-low-score-mark ?Y
501 "*Mark used for articles with a low score."
502 :group 'gnus-summary-marks
505 (defcustom gnus-catchup-mark ?C
506 "*Mark used for articles that are caught up."
507 :group 'gnus-summary-marks
510 (defcustom gnus-replied-mark ?A
511 "*Mark used for articles that have been replied to."
512 :group 'gnus-summary-marks
515 (defcustom gnus-forwarded-mark ?F
516 "*Mark used for articles that have been forwarded."
517 :group 'gnus-summary-marks
520 (defcustom gnus-recent-mark ?N
521 "*Mark used for articles that are recent."
522 :group 'gnus-summary-marks
525 (defcustom gnus-cached-mark ?*
526 "*Mark used for articles that are in the cache."
527 :group 'gnus-summary-marks
530 (defcustom gnus-saved-mark ?S
531 "*Mark used for articles that have been saved."
532 :group 'gnus-summary-marks
535 (defcustom gnus-unseen-mark ?.
536 "*Mark used for articles that haven't been seen."
537 :group 'gnus-summary-marks
540 (defcustom gnus-no-mark ?\ ;;;Whitespace
541 "*Mark used for articles that have no other secondary mark."
542 :group 'gnus-summary-marks
545 (defcustom gnus-ancient-mark ?O
546 "*Mark used for ancient articles."
547 :group 'gnus-summary-marks
550 (defcustom gnus-sparse-mark ?Q
551 "*Mark used for sparsely reffed articles."
552 :group 'gnus-summary-marks
555 (defcustom gnus-canceled-mark ?G
556 "*Mark used for canceled articles."
557 :group 'gnus-summary-marks
560 (defcustom gnus-duplicate-mark ?M
561 "*Mark used for duplicate articles."
562 :group 'gnus-summary-marks
565 (defcustom gnus-undownloaded-mark ?-
566 "*Mark used for articles that weren't downloaded."
567 :group 'gnus-summary-marks
570 (defcustom gnus-downloaded-mark ?+
571 "*Mark used for articles that were downloaded."
572 :group 'gnus-summary-marks
575 (defcustom gnus-downloadable-mark ?%
576 "*Mark used for articles that are to be downloaded."
577 :group 'gnus-summary-marks
580 (defcustom gnus-unsendable-mark ?=
581 "*Mark used for articles that won't be sent."
582 :group 'gnus-summary-marks
585 (defcustom gnus-score-over-mark ?+
586 "*Score mark used for articles with high scores."
587 :group 'gnus-summary-marks
590 (defcustom gnus-score-below-mark ?-
591 "*Score mark used for articles with low scores."
592 :group 'gnus-summary-marks
595 (defcustom gnus-empty-thread-mark ?\ ;;;Whitespace
596 "*There is no thread under the article."
597 :group 'gnus-summary-marks
600 (defcustom gnus-not-empty-thread-mark ?=
601 "*There is a thread under the article."
602 :group 'gnus-summary-marks
605 (defcustom gnus-view-pseudo-asynchronously nil
606 "*If non-nil, Gnus will view pseudo-articles asynchronously."
607 :group 'gnus-extract-view
610 (defcustom gnus-auto-expirable-marks
611 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
612 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
613 gnus-souped-mark gnus-duplicate-mark)
614 "*The list of marks converted into expiration if a group is auto-expirable."
617 :type '(repeat character))
619 (defcustom gnus-inhibit-user-auto-expire t
620 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
625 (defcustom gnus-view-pseudos nil
626 "*If `automatic', pseudo-articles will be viewed automatically.
627 If `not-confirm', pseudos will be viewed automatically, and the user
628 will not be asked to confirm the command."
629 :group 'gnus-extract-view
630 :type '(choice (const :tag "off" nil)
632 (const not-confirm)))
634 (defcustom gnus-view-pseudos-separately t
635 "*If non-nil, one pseudo-article will be created for each file to be viewed.
636 If nil, all files that use the same viewing command will be given as a
637 list of parameters to that command."
638 :group 'gnus-extract-view
641 (defcustom gnus-insert-pseudo-articles t
642 "*If non-nil, insert pseudo-articles when decoding articles."
643 :group 'gnus-extract-view
646 (defcustom gnus-summary-dummy-line-format
648 "*The format specification for the dummy roots in the summary buffer.
649 It works along the same lines as a normal formatting string,
650 with some simple extensions.
654 General format specifiers can also be used.
655 See `(gnus)Formatting Variables'."
656 :link '(custom-manual "(gnus)Formatting Variables")
657 :group 'gnus-threading
660 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
661 "*The format specification for the summary mode line.
662 It works along the same lines as a normal formatting string,
663 with some simple extensions:
666 %p Unprefixed group name
667 %A Current article number
668 %z Current article score
670 %U Number of unread articles in the group
671 %e Number of unselected articles in the group
672 %Z A string with unread/unselected article counts
673 %g Shortish group name
674 %S Subject of the current article
676 %s Current score file name
677 %d Number of dormant articles
678 %r Number of articles that have been marked as read in this session
679 %E Number of articles expunged by the score files"
680 :group 'gnus-summary-format
683 (defcustom gnus-list-identifiers nil
684 "Regexp that matches list identifiers to be removed from subject.
685 This can also be a list of regexps."
687 :group 'gnus-summary-format
688 :group 'gnus-article-hiding
689 :type '(choice (const :tag "none" nil)
691 (repeat :value (".*") regexp)))
693 (defcustom gnus-summary-mark-below 0
694 "*Mark all articles with a score below this variable as read.
695 This variable is local to each summary buffer and usually set by the
697 :group 'gnus-score-default
700 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
701 "*List of functions used for sorting articles in the summary buffer.
703 Each function takes two articles and returns non-nil if the first
704 article should be sorted before the other. If you use more than one
705 function, the primary sort function should be the last. You should
706 probably always include `gnus-article-sort-by-number' in the list of
707 sorting functions -- preferably first. Also note that sorting by date
708 is often much slower than sorting by number, and the sorting order is
709 very similar. (Sorting by date means sorting by the time the message
710 was sent, sorting by number means sorting by arrival time.)
712 Ready-made functions include `gnus-article-sort-by-number',
713 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
714 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
715 and `gnus-article-sort-by-score'.
717 When threading is turned on, the variable `gnus-thread-sort-functions'
718 controls how articles are sorted."
719 :group 'gnus-summary-sort
720 :type '(repeat (choice (function-item gnus-article-sort-by-number)
721 (function-item gnus-article-sort-by-author)
722 (function-item gnus-article-sort-by-subject)
723 (function-item gnus-article-sort-by-date)
724 (function-item gnus-article-sort-by-score)
725 (function-item gnus-article-sort-by-random)
726 (function :tag "other"))))
728 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
729 "*List of functions used for sorting threads in the summary buffer.
730 By default, threads are sorted by article number.
732 Each function takes two threads and returns non-nil if the first
733 thread should be sorted before the other. If you use more than one
734 function, the primary sort function should be the last. You should
735 probably always include `gnus-thread-sort-by-number' in the list of
736 sorting functions -- preferably first. Also note that sorting by date
737 is often much slower than sorting by number, and the sorting order is
738 very similar. (Sorting by date means sorting by the time the message
739 was sent, sorting by number means sorting by arrival time.)
741 Ready-made functions include `gnus-thread-sort-by-number',
742 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
743 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
744 `gnus-thread-sort-by-most-recent-number',
745 `gnus-thread-sort-by-most-recent-date',
746 `gnus-thread-sort-by-random', and
747 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
749 When threading is turned off, the variable
750 `gnus-article-sort-functions' controls how articles are sorted."
751 :group 'gnus-summary-sort
752 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
753 (function-item gnus-thread-sort-by-author)
754 (function-item gnus-thread-sort-by-subject)
755 (function-item gnus-thread-sort-by-date)
756 (function-item gnus-thread-sort-by-score)
757 (function-item gnus-thread-sort-by-total-score)
758 (function-item gnus-thread-sort-by-random)
759 (function :tag "other"))))
761 (defcustom gnus-thread-score-function '+
762 "*Function used for calculating the total score of a thread.
764 The function is called with the scores of the article and each
765 subthread and should then return the score of the thread.
767 Some functions you can use are `+', `max', or `min'."
768 :group 'gnus-summary-sort
771 (defcustom gnus-summary-expunge-below nil
772 "All articles that have a score less than this variable will be expunged.
773 This variable is local to the summary buffers."
774 :group 'gnus-score-default
775 :type '(choice (const :tag "off" nil)
778 (defcustom gnus-thread-expunge-below nil
779 "All threads that have a total score less than this variable will be expunged.
780 See `gnus-thread-score-function' for en explanation of what a
783 This variable is local to the summary buffers."
784 :group 'gnus-threading
785 :group 'gnus-score-default
786 :type '(choice (const :tag "off" nil)
789 (defcustom gnus-summary-mode-hook nil
790 "*A hook for Gnus summary mode.
791 This hook is run before any variables are set in the summary buffer."
792 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
793 :group 'gnus-summary-various
796 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
797 (when (featurep 'xemacs)
798 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
799 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
800 (add-hook 'gnus-summary-mode-hook
801 'gnus-xmas-switch-horizontal-scrollbar-off))
803 (defcustom gnus-summary-menu-hook nil
804 "*Hook run after the creation of the summary mode menu."
805 :group 'gnus-summary-visual
808 (defcustom gnus-summary-exit-hook nil
809 "*A hook called on exit from the summary buffer.
810 It will be called with point in the group buffer."
811 :group 'gnus-summary-exit
814 (defcustom gnus-summary-prepare-hook nil
815 "*A hook called after the summary buffer has been generated.
816 If you want to modify the summary buffer, you can use this hook."
817 :group 'gnus-summary-various
820 (defcustom gnus-summary-prepared-hook nil
821 "*A hook called as the last thing after the summary buffer has been generated."
822 :group 'gnus-summary-various
825 (defcustom gnus-summary-generate-hook nil
826 "*A hook run just before generating the summary buffer.
827 This hook is commonly used to customize threading variables and the
829 :group 'gnus-summary-various
832 (defcustom gnus-select-group-hook nil
833 "*A hook called when a newsgroup is selected.
835 If you'd like to simplify subjects like the
836 `gnus-summary-next-same-subject' command does, you can use the
839 (add-hook gnus-select-group-hook
841 (mapcar (lambda (header)
842 (mail-header-set-subject
844 (gnus-simplify-subject
845 (mail-header-subject header) 're-only)))
846 gnus-newsgroup-headers)))"
847 :group 'gnus-group-select
850 (defcustom gnus-select-article-hook nil
851 "*A hook called when an article is selected."
852 :group 'gnus-summary-choose
853 :options '(gnus-agent-fetch-selected-article)
856 (defcustom gnus-visual-mark-article-hook
857 (list 'gnus-highlight-selected-summary)
858 "*Hook run after selecting an article in the summary buffer.
859 It is meant to be used for highlighting the article in some way. It
860 is not run if `gnus-visual' is nil."
861 :group 'gnus-summary-visual
864 (defcustom gnus-parse-headers-hook '(gnus-summary-inherit-default-charset)
865 "*A hook called before parsing the headers."
869 (defcustom gnus-exit-group-hook nil
870 "*A hook called when exiting summary mode.
871 This hook is not called from the non-updating exit commands like `Q'."
875 (defcustom gnus-summary-update-hook
876 (list 'gnus-summary-highlight-line)
877 "*A hook called when a summary line is changed.
878 The hook will not be called if `gnus-visual' is nil.
880 The default function `gnus-summary-highlight-line' will
881 highlight the line according to the `gnus-summary-highlight'
883 :group 'gnus-summary-visual
886 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
887 "*A hook called when an article is selected for the first time.
888 The hook is intended to mark an article as read (or unread)
889 automatically when it is selected."
890 :group 'gnus-summary-choose
893 (defcustom gnus-group-no-more-groups-hook nil
894 "*A hook run when returning to group mode having no more (unread) groups."
895 :group 'gnus-group-select
898 (defcustom gnus-ps-print-hook nil
899 "*A hook run before ps-printing something from Gnus."
903 (defcustom gnus-summary-article-move-hook nil
904 "*A hook called after an article is moved, copied, respooled, or crossposted."
908 (defcustom gnus-summary-article-delete-hook nil
909 "*A hook called after an article is deleted."
913 (defcustom gnus-summary-article-expire-hook nil
914 "*A hook called after an article is expired."
918 (defcustom gnus-summary-display-arrow
919 (and (fboundp 'display-graphic-p)
921 "*If non-nil, display an arrow highlighting the current article."
926 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
927 "Face used for highlighting the current article in the summary buffer."
928 :group 'gnus-summary-visual
931 (defvar gnus-tmp-downloaded nil)
933 (defcustom gnus-summary-highlight
934 '(((eq mark gnus-canceled-mark)
935 . gnus-summary-cancelled-face)
936 ((and uncached (> score default-high))
937 . gnus-summary-high-undownloaded-face)
938 ((and uncached (< score default-low))
939 . gnus-summary-low-undownloaded-face)
941 . gnus-summary-normal-undownloaded-face)
942 ((and (> score default-high)
943 (or (eq mark gnus-dormant-mark)
944 (eq mark gnus-ticked-mark)))
945 . gnus-summary-high-ticked-face)
946 ((and (< score default-low)
947 (or (eq mark gnus-dormant-mark)
948 (eq mark gnus-ticked-mark)))
949 . gnus-summary-low-ticked-face)
950 ((or (eq mark gnus-dormant-mark)
951 (eq mark gnus-ticked-mark))
952 . gnus-summary-normal-ticked-face)
953 ((and (> score default-high) (eq mark gnus-ancient-mark))
954 . gnus-summary-high-ancient-face)
955 ((and (< score default-low) (eq mark gnus-ancient-mark))
956 . gnus-summary-low-ancient-face)
957 ((eq mark gnus-ancient-mark)
958 . gnus-summary-normal-ancient-face)
959 ((and (> score default-high) (eq mark gnus-unread-mark))
960 . gnus-summary-high-unread-face)
961 ((and (< score default-low) (eq mark gnus-unread-mark))
962 . gnus-summary-low-unread-face)
963 ((eq mark gnus-unread-mark)
964 . gnus-summary-normal-unread-face)
965 ((> score default-high)
966 . gnus-summary-high-read-face)
967 ((< score default-low)
968 . gnus-summary-low-read-face)
970 . gnus-summary-normal-read-face))
971 "*Controls the highlighting of summary buffer lines.
973 A list of (FORM . FACE) pairs. When deciding how a a particular
974 summary line should be displayed, each form is evaluated. The content
975 of the face field after the first true form is used. You can change
976 how those summary lines are displayed, by editing the face field.
978 You can use the following variables in the FORM field.
980 score: The article's score
981 default: The default article score.
982 default-high: The default score for high scored articles.
983 default-low: The default score for low scored articles.
984 below: The score below which articles are automatically marked as read.
985 mark: The article's mark.
986 uncached: Non-nil if the article is uncached."
987 :group 'gnus-summary-visual
988 :type '(repeat (cons (sexp :tag "Form" nil)
991 (defcustom gnus-alter-header-function nil
992 "Function called to allow alteration of article header structures.
993 The function is called with one parameter, the article header vector,
994 which it may alter in any way."
995 :type '(choice (const :tag "None" nil)
997 :group 'gnus-summary)
999 (defvar gnus-decode-encoded-word-function
1000 (mime-find-field-decoder 'From 'nov)
1001 "Variable that says which function should be used to decode a string with encoded words.")
1003 (defcustom gnus-extra-headers '(To Newsgroups)
1004 "*Extra headers to parse."
1006 :group 'gnus-summary
1007 :type '(repeat symbol))
1009 (defcustom gnus-ignored-from-addresses
1010 (and user-mail-address (regexp-quote user-mail-address))
1011 "*Regexp of From headers that may be suppressed in favor of To headers."
1013 :group 'gnus-summary
1016 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1017 "List of charsets that should be ignored.
1018 When these charsets are used in the \"charset\" parameter, the
1019 default charset will be used instead."
1021 :type '(repeat symbol)
1022 :group 'gnus-charset)
1024 (gnus-define-group-parameter
1028 "Return the ignored charsets of GROUP."
1029 :variable gnus-group-ignored-charsets-alist
1031 '(("alt\\.chinese\\.text" iso-8859-1))
1033 "Alist of regexps (to match group names) and charsets that should be ignored.
1034 When these charsets are used in the \"charset\" parameter, the
1035 default charset will be used instead."
1036 :variable-group gnus-charset
1037 :variable-type '(repeat (cons (regexp :tag "Group")
1039 :parameter-type '(choice :tag "Ignored charsets"
1042 :parameter-document "\
1043 List of charsets that should be ignored.
1045 When these charsets are used in the \"charset\" parameter, the
1046 default charset will be used instead.")
1048 (defcustom gnus-group-highlight-words-alist nil
1049 "Alist of group regexps and highlight regexps.
1050 This variable uses the same syntax as `gnus-emphasis-alist'."
1052 :type '(repeat (cons (regexp :tag "Group")
1053 (repeat (list (regexp :tag "Highlight regexp")
1054 (number :tag "Group for entire word" 0)
1055 (number :tag "Group for displayed part" 0)
1057 gnus-emphasis-highlight-words)))))
1058 :group 'gnus-summary-visual)
1060 (defcustom gnus-use-wheel nil
1061 "Use Intelli-mouse on summary movement"
1063 :group 'gnus-summary-maneuvering)
1065 (defcustom gnus-wheel-scroll-amount '(5 . 1)
1066 "Amount to scroll messages by spinning the mouse wheel.
1067 This is actually a cons cell, where the first item is the amount to scroll
1068 on a normal wheel event, and the second is the amount to scroll when the
1069 wheel is moved with the shift key depressed."
1070 :type '(cons (integer :tag "Shift") integer)
1071 :group 'gnus-summary-maneuvering)
1073 (defcustom gnus-wheel-edge-resistance 2
1074 "How hard it should be to change the current article
1075 by moving the mouse over the edge of the article window."
1077 :group 'gnus-summary-maneuvering)
1079 (defcustom gnus-summary-show-article-charset-alist
1081 "Alist of number and charset.
1082 The article will be shown with the charset corresponding to the
1084 For example: ((1 . cn-gb-2312) (2 . big5))."
1086 :type '(repeat (cons (number :tag "Argument" 1)
1087 (symbol :tag "Charset")))
1088 :group 'gnus-charset)
1090 (defcustom gnus-preserve-marks t
1091 "Whether marks are preserved when moving, copying and respooling messages."
1094 :group 'gnus-summary-marks)
1096 (defcustom gnus-alter-articles-to-read-function nil
1097 "Function to be called to alter the list of articles to be selected."
1098 :type '(choice (const nil) function)
1099 :group 'gnus-summary)
1101 (defcustom gnus-orphan-score nil
1102 "*All orphans get this score added. Set in the score file."
1103 :group 'gnus-score-default
1104 :type '(choice (const nil)
1107 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1108 "*A regexp to match MIME parts when saving multiple parts of a
1109 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1110 This regexp will be used by default when prompting the user for which
1111 type of files to save."
1112 :group 'gnus-summary
1115 (defcustom gnus-read-all-available-headers nil
1116 "Whether Gnus should parse all headers made available to it.
1117 This is mostly relevant for slow back ends where the user may
1118 wish to widen the summary buffer to include all headers
1119 that were fetched. Say, for nnultimate groups."
1120 :group 'gnus-summary
1121 :type '(choice boolean regexp))
1123 (defcustom gnus-summary-muttprint-program "muttprint"
1124 "Command (and optional arguments) used to run Muttprint."
1126 :group 'gnus-summary
1129 (defcustom gnus-article-loose-mime nil
1130 "If non-nil, don't require MIME-Version header.
1131 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1132 supply the MIME-Version header or deliberately strip it From the mail.
1133 Set it to non-nil, Gnus will treat some articles as MIME even if
1134 the MIME-Version header is missed."
1137 :group 'gnus-article-mime)
1139 (defcustom gnus-article-emulate-mime t
1140 "If non-nil, use MIME emulation for uuencode and the like.
1141 This means that Gnus will search message bodies for text that look
1142 like uuencoded bits, yEncoded bits, and so on, and present that using
1143 the normal Gnus MIME machinery."
1145 :group 'gnus-article-mime)
1147 ;;; Internal variables
1149 (defvar gnus-summary-display-cache nil)
1150 (defvar gnus-article-mime-handles nil)
1151 (defvar gnus-article-decoded-p nil)
1152 (defvar gnus-article-charset nil)
1153 (defvar gnus-article-ignored-charsets nil)
1154 (defvar gnus-scores-exclude-files nil)
1155 (defvar gnus-page-broken nil)
1157 (defvar gnus-original-article nil)
1158 (defvar gnus-article-internal-prepare-hook nil)
1159 (defvar gnus-newsgroup-process-stack nil)
1161 (defvar gnus-thread-indent-array nil)
1162 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1163 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1164 "Function called to sort the articles within a thread after it has been gathered together.")
1166 (defvar gnus-summary-save-parts-type-history nil)
1167 (defvar gnus-summary-save-parts-last-directory nil)
1169 ;; Avoid highlighting in kill files.
1170 (defvar gnus-summary-inhibit-highlight nil)
1171 (defvar gnus-newsgroup-selected-overlay nil)
1172 (defvar gnus-inhibit-limiting nil)
1173 (defvar gnus-newsgroup-adaptive-score-file nil)
1174 (defvar gnus-current-score-file nil)
1175 (defvar gnus-current-move-group nil)
1176 (defvar gnus-current-copy-group nil)
1177 (defvar gnus-current-crosspost-group nil)
1178 (defvar gnus-newsgroup-display nil)
1180 (defvar gnus-newsgroup-dependencies nil)
1181 (defvar gnus-newsgroup-adaptive nil)
1182 (defvar gnus-summary-display-article-function nil)
1183 (defvar gnus-summary-highlight-line-function nil
1184 "Function called after highlighting a summary line.")
1186 (defvar gnus-summary-line-format-alist
1187 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1188 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1189 (?s gnus-tmp-subject-or-nil ?s)
1190 (?n gnus-tmp-name ?s)
1191 (?A (std11-address-string
1192 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
1193 (?a (or (std11-full-name-string
1194 (car (mime-entity-read-field gnus-tmp-header 'From)))
1196 (?F gnus-tmp-from ?s)
1197 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1198 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1199 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1200 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1201 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1202 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1203 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1204 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1205 (?L gnus-tmp-lines ?s)
1206 (?O gnus-tmp-downloaded ?c)
1207 (?I gnus-tmp-indentation ?s)
1208 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1209 (?R gnus-tmp-replied ?c)
1210 (?\[ gnus-tmp-opening-bracket ?c)
1211 (?\] gnus-tmp-closing-bracket ?c)
1212 (?\> (make-string gnus-tmp-level ? ) ?s)
1213 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1214 (?i gnus-tmp-score ?d)
1215 (?z gnus-tmp-score-char ?c)
1216 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1217 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1218 (?U gnus-tmp-unread ?c)
1219 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1221 (?t (gnus-summary-number-of-articles-in-thread
1222 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1224 (?e (gnus-summary-number-of-articles-in-thread
1225 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1227 (?u gnus-tmp-user-defined ?s)
1228 (?P (gnus-pick-line-number) ?d)
1229 (?B gnus-tmp-thread-tree-header-string ?s)
1230 (user-date (gnus-user-date
1231 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1232 "An alist of format specifications that can appear in summary lines.
1233 These are paired with what variables they correspond with, along with
1234 the type of the variable (string, integer, character, etc).")
1236 (defvar gnus-summary-dummy-line-format-alist
1237 `((?S gnus-tmp-subject ?s)
1238 (?N gnus-tmp-number ?d)
1239 (?u gnus-tmp-user-defined ?s)))
1241 (defvar gnus-summary-mode-line-format-alist
1242 `((?G gnus-tmp-group-name ?s)
1243 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1244 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1245 (?A gnus-tmp-article-number ?d)
1246 (?Z gnus-tmp-unread-and-unselected ?s)
1247 (?V gnus-version ?s)
1248 (?U gnus-tmp-unread-and-unticked ?d)
1249 (?S gnus-tmp-subject ?s)
1250 (?e gnus-tmp-unselected ?d)
1251 (?u gnus-tmp-user-defined ?s)
1252 (?d (length gnus-newsgroup-dormant) ?d)
1253 (?t (length gnus-newsgroup-marked) ?d)
1254 (?h (length gnus-newsgroup-spam-marked) ?d)
1255 (?r (length gnus-newsgroup-reads) ?d)
1256 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1257 (?E gnus-newsgroup-expunged-tally ?d)
1258 (?s (gnus-current-score-file-nondirectory) ?s)))
1260 (defvar gnus-last-search-regexp nil
1261 "Default regexp for article search command.")
1263 (defvar gnus-summary-search-article-matched-data nil
1264 "Last matched data of article search command. It is the local variable
1265 in `gnus-article-buffer' which consists of the list of start position,
1266 end position and text.")
1268 (defvar gnus-last-shell-command nil
1269 "Default shell command on article.")
1271 (defvar gnus-newsgroup-agentized nil
1272 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1273 (defvar gnus-newsgroup-begin nil)
1274 (defvar gnus-newsgroup-end nil)
1275 (defvar gnus-newsgroup-last-rmail nil)
1276 (defvar gnus-newsgroup-last-mail nil)
1277 (defvar gnus-newsgroup-last-folder nil)
1278 (defvar gnus-newsgroup-last-file nil)
1279 (defvar gnus-newsgroup-auto-expire nil)
1280 (defvar gnus-newsgroup-active nil)
1282 (defvar gnus-newsgroup-data nil)
1283 (defvar gnus-newsgroup-data-reverse nil)
1284 (defvar gnus-newsgroup-limit nil)
1285 (defvar gnus-newsgroup-limits nil)
1286 (defvar gnus-summary-use-undownloaded-faces nil)
1288 (defvar gnus-newsgroup-unreads nil
1289 "Sorted list of unread articles in the current newsgroup.")
1291 (defvar gnus-newsgroup-unselected nil
1292 "Sorted list of unselected unread articles in the current newsgroup.")
1294 (defvar gnus-newsgroup-reads nil
1295 "Alist of read articles and article marks in the current newsgroup.")
1297 (defvar gnus-newsgroup-expunged-tally nil)
1299 (defvar gnus-newsgroup-marked nil
1300 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1302 (defvar gnus-newsgroup-spam-marked nil
1303 "List of ranges of articles that have been marked as spam.")
1305 (defvar gnus-newsgroup-killed nil
1306 "List of ranges of articles that have been through the scoring process.")
1308 (defvar gnus-newsgroup-cached nil
1309 "Sorted list of articles that come from the article cache.")
1311 (defvar gnus-newsgroup-saved nil
1312 "List of articles that have been saved.")
1314 (defvar gnus-newsgroup-kill-headers nil)
1316 (defvar gnus-newsgroup-replied nil
1317 "List of articles that have been replied to in the current newsgroup.")
1319 (defvar gnus-newsgroup-forwarded nil
1320 "List of articles that have been forwarded in the current newsgroup.")
1322 (defvar gnus-newsgroup-recent nil
1323 "List of articles that have are recent in the current newsgroup.")
1325 (defvar gnus-newsgroup-expirable nil
1326 "Sorted list of articles in the current newsgroup that can be expired.")
1328 (defvar gnus-newsgroup-processable nil
1329 "List of articles in the current newsgroup that can be processed.")
1331 (defvar gnus-newsgroup-downloadable nil
1332 "Sorted list of articles in the current newsgroup that can be processed.")
1334 (defvar gnus-newsgroup-unfetched nil
1335 "Sorted list of articles in the current newsgroup whose headers have
1336 not been fetched into the agent.
1338 This list will always be a subset of gnus-newsgroup-undownloaded.")
1340 (defvar gnus-newsgroup-undownloaded nil
1341 "List of articles in the current newsgroup that haven't been downloaded.")
1343 (defvar gnus-newsgroup-unsendable nil
1344 "List of articles in the current newsgroup that won't be sent.")
1346 (defvar gnus-newsgroup-bookmarks nil
1347 "List of articles in the current newsgroup that have bookmarks.")
1349 (defvar gnus-newsgroup-dormant nil
1350 "Sorted list of dormant articles in the current newsgroup.")
1352 (defvar gnus-newsgroup-unseen nil
1353 "List of unseen articles in the current newsgroup.")
1355 (defvar gnus-newsgroup-seen nil
1356 "Range of seen articles in the current newsgroup.")
1358 (defvar gnus-newsgroup-articles nil
1359 "List of articles in the current newsgroup.")
1361 (defvar gnus-newsgroup-scored nil
1362 "List of scored articles in the current newsgroup.")
1364 (defvar gnus-newsgroup-incorporated nil
1365 "List of incorporated articles in the current newsgroup.")
1367 (defvar gnus-newsgroup-headers nil
1368 "List of article headers in the current newsgroup.")
1370 (defvar gnus-newsgroup-threads nil)
1372 (defvar gnus-newsgroup-prepared nil
1373 "Whether the current group has been prepared properly.")
1375 (defvar gnus-newsgroup-ancient nil
1376 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1378 (defvar gnus-newsgroup-sparse nil)
1380 (defvar gnus-current-article nil)
1381 (defvar gnus-article-current nil)
1382 (defvar gnus-current-headers nil)
1383 (defvar gnus-have-all-headers nil)
1384 (defvar gnus-last-article nil)
1385 (defvar gnus-newsgroup-history nil)
1386 (defvar gnus-newsgroup-charset nil)
1387 (defvar gnus-newsgroup-ephemeral-charset nil)
1388 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1390 (defvar gnus-article-before-search nil)
1392 (defvar gnus-summary-local-variables
1393 '(gnus-newsgroup-name
1394 gnus-newsgroup-begin gnus-newsgroup-end
1395 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1396 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1397 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1398 gnus-newsgroup-unselected gnus-newsgroup-marked
1399 gnus-newsgroup-spam-marked
1400 gnus-newsgroup-reads gnus-newsgroup-saved
1401 gnus-newsgroup-replied gnus-newsgroup-forwarded
1402 gnus-newsgroup-recent
1403 gnus-newsgroup-expirable
1404 gnus-newsgroup-processable gnus-newsgroup-killed
1405 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1406 gnus-newsgroup-unfetched
1407 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1408 gnus-newsgroup-seen gnus-newsgroup-articles
1409 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1410 gnus-newsgroup-headers gnus-newsgroup-threads
1411 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1412 gnus-current-article gnus-current-headers gnus-have-all-headers
1413 gnus-last-article gnus-article-internal-prepare-hook
1414 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1415 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1416 gnus-thread-expunge-below
1417 gnus-score-alist gnus-current-score-file
1418 (gnus-summary-expunge-below . global)
1419 (gnus-summary-mark-below . global)
1420 (gnus-orphan-score . global)
1421 gnus-newsgroup-active gnus-scores-exclude-files
1422 gnus-newsgroup-history gnus-newsgroup-ancient
1423 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1424 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1425 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1426 (gnus-newsgroup-expunged-tally . 0)
1427 gnus-cache-removable-articles gnus-newsgroup-cached
1428 gnus-newsgroup-data gnus-newsgroup-data-reverse
1429 gnus-newsgroup-limit gnus-newsgroup-limits
1430 gnus-newsgroup-charset gnus-newsgroup-display
1431 gnus-summary-use-undownloaded-faces
1432 gnus-newsgroup-incorporated)
1433 "Variables that are buffer-local to the summary buffers.")
1435 (defvar gnus-newsgroup-variables nil
1436 "A list of variables that have separate values in different newsgroups.
1437 A list of newsgroup (summary buffer) local variables, or cons of
1438 variables and their default values (when the default values are not
1439 nil), that should be made global while the summary buffer is active.
1440 These variables can be used to set variables in the group parameters
1441 while still allowing them to affect operations done in other
1442 buffers. For example:
1444 \(setq gnus-newsgroup-variables
1445 '(message-use-followup-to
1446 (gnus-visible-headers .
1447 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1450 ;; Byte-compiler warning.
1452 ;; Bind features so that require will believe that gnus-sum has
1453 ;; already been loaded (avoids infinite recursion)
1454 (let ((features (cons 'gnus-sum features)))
1455 ;; Several of the declarations in gnus-sum are needed to load the
1456 ;; following files. Right now, these definitions have been
1457 ;; compiled but not defined (evaluated). We could either do a
1458 ;; eval-and-compile about all of the declarations or evaluate the
1460 (if (boundp 'gnus-newsgroup-variables)
1462 (load "gnus-sum.el" t t t))
1464 (require 'gnus-agent)
1465 (require 'gnus-art)))
1467 ;; Subject simplification.
1469 (defun gnus-simplify-whitespace (str)
1470 "Remove excessive whitespace from STR."
1472 (while (string-match "[ \t][ \t]+" str)
1473 (setq str (concat (substring str 0 (match-beginning 0))
1475 (substring str (match-end 0)))))
1477 (when (string-match "^[ \t]+" str)
1478 (setq str (substring str (match-end 0))))
1480 (when (string-match "[ \t]+$" str)
1481 (setq str (substring str 0 (match-beginning 0))))
1484 (defun gnus-simplify-all-whitespace (str)
1485 "Remove all whitespace from STR."
1486 (while (string-match "[ \t\n]+" str)
1487 (setq str (replace-match "" nil nil str)))
1490 (defsubst gnus-simplify-subject-re (subject)
1491 "Remove \"Re:\" from subject lines."
1492 (if (string-match message-subject-re-regexp subject)
1493 (substring subject (match-end 0))
1496 (defun gnus-simplify-subject (subject &optional re-only)
1497 "Remove `Re:' and words in parentheses.
1498 If RE-ONLY is non-nil, strip leading `Re:'s only."
1499 (let ((case-fold-search t)) ;Ignore case.
1500 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1501 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1502 (setq subject (substring subject (match-end 0))))
1503 ;; Remove uninteresting prefixes.
1504 (when (and (not re-only)
1505 gnus-simplify-ignored-prefixes
1506 (string-match gnus-simplify-ignored-prefixes subject))
1507 (setq subject (substring subject (match-end 0))))
1508 ;; Remove words in parentheses from end.
1510 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1511 (setq subject (substring subject 0 (match-beginning 0)))))
1512 ;; Return subject string.
1515 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1517 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1518 (goto-char (point-min))
1519 (while (re-search-forward regexp nil t)
1520 (replace-match (or newtext ""))))
1522 (defun gnus-simplify-buffer-fuzzy ()
1523 "Simplify string in the buffer fuzzily.
1524 The string in the accessible portion of the current buffer is simplified.
1525 It is assumed to be a single-line subject.
1526 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1527 matter is removed. Additional things can be deleted by setting
1528 `gnus-simplify-subject-fuzzy-regexp'."
1529 (let ((case-fold-search t)
1531 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1533 (while (not (eq modified-tick (buffer-modified-tick)))
1534 (setq modified-tick (buffer-modified-tick))
1536 ((listp gnus-simplify-subject-fuzzy-regexp)
1537 (mapcar 'gnus-simplify-buffer-fuzzy-step
1538 gnus-simplify-subject-fuzzy-regexp))
1539 (gnus-simplify-subject-fuzzy-regexp
1540 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1541 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1542 (gnus-simplify-buffer-fuzzy-step
1543 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1544 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1546 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1547 (gnus-simplify-buffer-fuzzy-step " +" " ")
1548 (gnus-simplify-buffer-fuzzy-step " $")
1549 (gnus-simplify-buffer-fuzzy-step "^ +")))
1551 (defun gnus-simplify-subject-fuzzy (subject)
1552 "Simplify a subject string fuzzily.
1553 See `gnus-simplify-buffer-fuzzy' for details."
1555 (gnus-set-work-buffer)
1556 (let ((case-fold-search t))
1557 ;; Remove uninteresting prefixes.
1558 (when (and gnus-simplify-ignored-prefixes
1559 (string-match gnus-simplify-ignored-prefixes subject))
1560 (setq subject (substring subject (match-end 0))))
1562 (inline (gnus-simplify-buffer-fuzzy))
1565 (defsubst gnus-simplify-subject-fully (subject)
1566 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1568 (gnus-simplify-subject-functions
1569 (gnus-map-function gnus-simplify-subject-functions subject))
1570 ((null gnus-summary-gather-subject-limit)
1571 (gnus-simplify-subject-re subject))
1572 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1573 (gnus-simplify-subject-fuzzy subject))
1574 ((numberp gnus-summary-gather-subject-limit)
1575 (gnus-limit-string (gnus-simplify-subject-re subject)
1576 gnus-summary-gather-subject-limit))
1580 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1581 "Check whether two subjects are equal.
1582 If optional argument SIMPLE-FIRST is t, first argument is already
1585 ((null simple-first)
1586 (equal (gnus-simplify-subject-fully s1)
1587 (gnus-simplify-subject-fully s2)))
1590 (gnus-simplify-subject-fully s2)))))
1592 (defun gnus-summary-bubble-group ()
1593 "Increase the score of the current group.
1594 This is a handy function to add to `gnus-summary-exit-hook' to
1595 increase the score of each group you read."
1596 (gnus-group-add-score gnus-newsgroup-name))
1600 ;;; Gnus summary mode
1603 (put 'gnus-summary-mode 'mode-class 'special)
1605 (defvar gnus-article-commands-menu)
1607 ;; Non-orthogonal keys
1609 (gnus-define-keys gnus-summary-mode-map
1610 " " gnus-summary-next-page
1611 "\177" gnus-summary-prev-page
1612 [delete] gnus-summary-prev-page
1613 [backspace] gnus-summary-prev-page
1614 "\r" gnus-summary-scroll-up
1615 "\M-\r" gnus-summary-scroll-down
1616 "n" gnus-summary-next-unread-article
1617 "p" gnus-summary-prev-unread-article
1618 "N" gnus-summary-next-article
1619 "P" gnus-summary-prev-article
1620 "\M-\C-n" gnus-summary-next-same-subject
1621 "\M-\C-p" gnus-summary-prev-same-subject
1622 "\M-n" gnus-summary-next-unread-subject
1623 "\M-p" gnus-summary-prev-unread-subject
1624 "." gnus-summary-first-unread-article
1625 "," gnus-summary-best-unread-article
1626 "\M-s" gnus-summary-search-article-forward
1627 "\M-r" gnus-summary-search-article-backward
1628 "<" gnus-summary-beginning-of-article
1629 ">" gnus-summary-end-of-article
1630 "j" gnus-summary-goto-article
1631 "^" gnus-summary-refer-parent-article
1632 "\M-^" gnus-summary-refer-article
1633 "u" gnus-summary-tick-article-forward
1634 "!" gnus-summary-tick-article-forward
1635 "U" gnus-summary-tick-article-backward
1636 "d" gnus-summary-mark-as-read-forward
1637 "D" gnus-summary-mark-as-read-backward
1638 "E" gnus-summary-mark-as-expirable
1639 "\M-u" gnus-summary-clear-mark-forward
1640 "\M-U" gnus-summary-clear-mark-backward
1641 "k" gnus-summary-kill-same-subject-and-select
1642 "\C-k" gnus-summary-kill-same-subject
1643 "\M-\C-k" gnus-summary-kill-thread
1644 "\M-\C-l" gnus-summary-lower-thread
1645 "e" gnus-summary-edit-article
1646 "#" gnus-summary-mark-as-processable
1647 "\M-#" gnus-summary-unmark-as-processable
1648 "\M-\C-t" gnus-summary-toggle-threads
1649 "\M-\C-s" gnus-summary-show-thread
1650 "\M-\C-h" gnus-summary-hide-thread
1651 "\M-\C-f" gnus-summary-next-thread
1652 "\M-\C-b" gnus-summary-prev-thread
1653 [(meta down)] gnus-summary-next-thread
1654 [(meta up)] gnus-summary-prev-thread
1655 "\M-\C-u" gnus-summary-up-thread
1656 "\M-\C-d" gnus-summary-down-thread
1657 "&" gnus-summary-execute-command
1658 "c" gnus-summary-catchup-and-exit
1659 "\C-w" gnus-summary-mark-region-as-read
1660 "\C-t" gnus-summary-toggle-truncation
1661 "?" gnus-summary-mark-as-dormant
1662 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1663 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1664 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1665 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1666 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1667 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1668 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1669 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1670 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1671 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1672 "=" gnus-summary-expand-window
1673 "\C-x\C-s" gnus-summary-reselect-current-group
1674 "\M-g" gnus-summary-rescan-group
1675 "w" gnus-summary-stop-page-breaking
1676 "\C-c\C-r" gnus-summary-caesar-message
1677 "\M-t" gnus-summary-toggle-mime
1678 "f" gnus-summary-followup
1679 "F" gnus-summary-followup-with-original
1680 "C" gnus-summary-cancel-article
1681 "r" gnus-summary-reply
1682 "R" gnus-summary-reply-with-original
1683 "\C-c\C-f" gnus-summary-mail-forward
1684 "o" gnus-summary-save-article
1685 "\C-o" gnus-summary-save-article-mail
1686 "|" gnus-summary-pipe-output
1687 "\M-k" gnus-summary-edit-local-kill
1688 "\M-K" gnus-summary-edit-global-kill
1690 "\C-c\C-d" gnus-summary-describe-group
1691 "q" gnus-summary-exit
1692 "Q" gnus-summary-exit-no-update
1693 "\C-c\C-i" gnus-info-find-node
1694 gnus-mouse-2 gnus-mouse-pick-article
1695 "m" gnus-summary-mail-other-window
1696 "a" gnus-summary-post-news
1697 "i" gnus-summary-news-other-window
1698 "x" gnus-summary-limit-to-unread
1699 "s" gnus-summary-isearch-article
1700 "t" gnus-summary-toggle-header
1701 "g" gnus-summary-show-article
1702 "l" gnus-summary-goto-last-article
1703 "v" gnus-summary-preview-mime-message
1704 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1705 "\C-d" gnus-summary-enter-digest-group
1706 "\M-\C-d" gnus-summary-read-document
1707 "\M-\C-e" gnus-summary-edit-parameters
1708 "\M-\C-a" gnus-summary-customize-parameters
1710 "\C-c\C-n" gnus-namazu-search
1711 "*" gnus-cache-enter-article
1712 "\M-*" gnus-cache-remove-article
1713 "\M-&" gnus-summary-universal-argument
1714 "\C-l" gnus-recenter
1715 "I" gnus-summary-increase-score
1716 "L" gnus-summary-lower-score
1717 "\M-i" gnus-symbolic-argument
1718 "h" gnus-summary-select-article-buffer
1720 "V" gnus-summary-score-map
1721 "X" gnus-uu-extract-map
1722 "S" gnus-summary-send-map)
1724 ;; Sort of orthogonal keymap
1725 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1726 "t" gnus-summary-tick-article-forward
1727 "!" gnus-summary-tick-article-forward
1728 "d" gnus-summary-mark-as-read-forward
1729 "r" gnus-summary-mark-as-read-forward
1730 "c" gnus-summary-clear-mark-forward
1731 " " gnus-summary-clear-mark-forward
1732 "e" gnus-summary-mark-as-expirable
1733 "x" gnus-summary-mark-as-expirable
1734 "?" gnus-summary-mark-as-dormant
1735 "b" gnus-summary-set-bookmark
1736 "B" gnus-summary-remove-bookmark
1737 "#" gnus-summary-mark-as-processable
1738 "\M-#" gnus-summary-unmark-as-processable
1739 "S" gnus-summary-limit-include-expunged
1740 "C" gnus-summary-catchup
1741 "H" gnus-summary-catchup-to-here
1742 "h" gnus-summary-catchup-from-here
1743 "\C-c" gnus-summary-catchup-all
1744 "k" gnus-summary-kill-same-subject-and-select
1745 "K" gnus-summary-kill-same-subject
1746 "P" gnus-uu-mark-map)
1748 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1749 "c" gnus-summary-clear-above
1750 "u" gnus-summary-tick-above
1751 "m" gnus-summary-mark-above
1752 "k" gnus-summary-kill-below)
1754 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1755 "/" gnus-summary-limit-to-subject
1756 "n" gnus-summary-limit-to-articles
1757 "w" gnus-summary-pop-limit
1758 "s" gnus-summary-limit-to-subject
1759 "a" gnus-summary-limit-to-author
1760 "u" gnus-summary-limit-to-unread
1761 "m" gnus-summary-limit-to-marks
1762 "M" gnus-summary-limit-exclude-marks
1763 "v" gnus-summary-limit-to-score
1764 "*" gnus-summary-limit-include-cached
1765 "D" gnus-summary-limit-include-dormant
1766 "T" gnus-summary-limit-include-thread
1767 "d" gnus-summary-limit-exclude-dormant
1768 "t" gnus-summary-limit-to-age
1769 "." gnus-summary-limit-to-unseen
1770 "x" gnus-summary-limit-to-extra
1771 "p" gnus-summary-limit-to-display-predicate
1772 "E" gnus-summary-limit-include-expunged
1773 "c" gnus-summary-limit-exclude-childless-dormant
1774 "C" gnus-summary-limit-mark-excluded-as-read
1775 "o" gnus-summary-insert-old-articles
1776 "N" gnus-summary-insert-new-articles)
1778 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1779 "n" gnus-summary-next-unread-article
1780 "p" gnus-summary-prev-unread-article
1781 "N" gnus-summary-next-article
1782 "P" gnus-summary-prev-article
1783 "\C-n" gnus-summary-next-same-subject
1784 "\C-p" gnus-summary-prev-same-subject
1785 "\M-n" gnus-summary-next-unread-subject
1786 "\M-p" gnus-summary-prev-unread-subject
1787 "f" gnus-summary-first-unread-article
1788 "b" gnus-summary-best-unread-article
1789 "j" gnus-summary-goto-article
1790 "g" gnus-summary-goto-subject
1791 "l" gnus-summary-goto-last-article
1792 "o" gnus-summary-pop-article)
1794 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1795 "k" gnus-summary-kill-thread
1796 "l" gnus-summary-lower-thread
1797 "i" gnus-summary-raise-thread
1798 "T" gnus-summary-toggle-threads
1799 "t" gnus-summary-rethread-current
1800 "^" gnus-summary-reparent-thread
1801 "s" gnus-summary-show-thread
1802 "S" gnus-summary-show-all-threads
1803 "h" gnus-summary-hide-thread
1804 "H" gnus-summary-hide-all-threads
1805 "n" gnus-summary-next-thread
1806 "p" gnus-summary-prev-thread
1807 "u" gnus-summary-up-thread
1808 "o" gnus-summary-top-thread
1809 "d" gnus-summary-down-thread
1810 "#" gnus-uu-mark-thread
1811 "\M-#" gnus-uu-unmark-thread)
1813 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1814 "g" gnus-summary-prepare
1815 "c" gnus-summary-insert-cached-articles
1816 "d" gnus-summary-insert-dormant-articles)
1818 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1819 "c" gnus-summary-catchup-and-exit
1820 "C" gnus-summary-catchup-all-and-exit
1821 "E" gnus-summary-exit-no-update
1822 "J" gnus-summary-jump-to-other-group
1823 "Q" gnus-summary-exit
1824 "Z" gnus-summary-exit
1825 "n" gnus-summary-catchup-and-goto-next-group
1826 "R" gnus-summary-reselect-current-group
1827 "G" gnus-summary-rescan-group
1828 "N" gnus-summary-next-group
1829 "s" gnus-summary-save-newsrc
1830 "P" gnus-summary-prev-group)
1832 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1833 " " gnus-summary-next-page
1834 "n" gnus-summary-next-page
1835 "\177" gnus-summary-prev-page
1836 [delete] gnus-summary-prev-page
1837 "p" gnus-summary-prev-page
1838 "\r" gnus-summary-scroll-up
1839 "\M-\r" gnus-summary-scroll-down
1840 "<" gnus-summary-beginning-of-article
1841 ">" gnus-summary-end-of-article
1842 "b" gnus-summary-beginning-of-article
1843 "e" gnus-summary-end-of-article
1844 "^" gnus-summary-refer-parent-article
1845 "r" gnus-summary-refer-parent-article
1846 "D" gnus-summary-enter-digest-group
1847 "R" gnus-summary-refer-references
1848 "T" gnus-summary-refer-thread
1849 "g" gnus-summary-show-article
1850 "s" gnus-summary-isearch-article
1851 "P" gnus-summary-print-article
1852 "M" gnus-mailing-list-insinuate
1853 "t" gnus-article-babel)
1855 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1856 "b" gnus-article-add-buttons
1857 "B" gnus-article-add-buttons-to-head
1858 "o" gnus-article-treat-overstrike
1859 "e" gnus-article-emphasize
1860 "w" gnus-article-fill-cited-article
1861 "Q" gnus-article-fill-long-lines
1862 "C" gnus-article-capitalize-sentences
1863 "c" gnus-article-remove-cr
1864 "Z" gnus-article-decode-HZ
1865 "h" gnus-article-wash-html
1866 "u" gnus-article-unsplit-urls
1867 "f" gnus-article-display-x-face
1868 "l" gnus-summary-stop-page-breaking
1869 "r" gnus-summary-caesar-message
1870 "m" gnus-summary-morse-message
1871 "t" gnus-summary-toggle-header
1872 "g" gnus-treat-smiley
1873 "v" gnus-summary-verbose-headers
1874 "m" gnus-summary-toggle-mime
1875 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1876 "p" gnus-article-verify-x-pgp-sig
1877 "d" gnus-article-treat-dumbquotes)
1879 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1880 ;; mnemonic: deuglif*Y*
1881 "u" gnus-article-outlook-unwrap-lines
1882 "a" gnus-article-outlook-repair-attribution
1883 "c" gnus-article-outlook-rearrange-citation
1884 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1886 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1887 "a" gnus-article-hide
1888 "h" gnus-article-hide-headers
1889 "b" gnus-article-hide-boring-headers
1890 "s" gnus-article-hide-signature
1891 "c" gnus-article-hide-citation
1892 "C" gnus-article-hide-citation-in-followups
1893 "l" gnus-article-hide-list-identifiers
1894 "B" gnus-article-strip-banner
1895 "P" gnus-article-hide-pem
1896 "\C-c" gnus-article-hide-citation-maybe)
1898 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1899 "a" gnus-article-highlight
1900 "h" gnus-article-highlight-headers
1901 "c" gnus-article-highlight-citation
1902 "s" gnus-article-highlight-signature)
1904 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1905 "f" gnus-article-treat-fold-headers
1906 "u" gnus-article-treat-unfold-headers
1907 "n" gnus-article-treat-fold-newsgroups)
1909 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1910 "x" gnus-article-display-x-face
1911 "d" gnus-article-display-face
1912 "s" gnus-treat-smiley
1913 "D" gnus-article-remove-images
1914 "f" gnus-treat-from-picon
1915 "m" gnus-treat-mail-picon
1916 "n" gnus-treat-newsgroups-picon)
1918 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1919 "z" gnus-article-date-ut
1920 "u" gnus-article-date-ut
1921 "l" gnus-article-date-local
1922 "p" gnus-article-date-english
1923 "e" gnus-article-date-lapsed
1924 "o" gnus-article-date-original
1925 "i" gnus-article-date-iso8601
1926 "s" gnus-article-date-user)
1928 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1929 "t" gnus-article-remove-trailing-blank-lines
1930 "l" gnus-article-strip-leading-blank-lines
1931 "m" gnus-article-strip-multiple-blank-lines
1932 "a" gnus-article-strip-blank-lines
1933 "A" gnus-article-strip-all-blank-lines
1934 "s" gnus-article-strip-leading-space
1935 "e" gnus-article-strip-trailing-space
1936 "w" gnus-article-remove-leading-whitespace)
1938 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1940 "f" gnus-summary-fetch-faq
1941 "d" gnus-summary-describe-group
1942 "h" gnus-summary-describe-briefly
1943 "i" gnus-info-find-node
1944 "c" gnus-group-fetch-charter
1945 "C" gnus-group-fetch-control)
1947 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1948 "e" gnus-summary-expire-articles
1949 "\M-\C-e" gnus-summary-expire-articles-now
1950 "\177" gnus-summary-delete-article
1951 [delete] gnus-summary-delete-article
1952 [backspace] gnus-summary-delete-article
1953 "m" gnus-summary-move-article
1954 "r" gnus-summary-respool-article
1955 "w" gnus-summary-edit-article
1956 "c" gnus-summary-copy-article
1957 "B" gnus-summary-crosspost-article
1958 "q" gnus-summary-respool-query
1959 "t" gnus-summary-respool-trace
1960 "i" gnus-summary-import-article
1961 "I" gnus-summary-create-article
1962 "p" gnus-summary-article-posted-p)
1964 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1965 "o" gnus-summary-save-article
1966 "m" gnus-summary-save-article-mail
1967 "F" gnus-summary-write-article-file
1968 "r" gnus-summary-save-article-rmail
1969 "f" gnus-summary-save-article-file
1970 "b" gnus-summary-save-article-body-file
1971 "h" gnus-summary-save-article-folder
1972 "v" gnus-summary-save-article-vm
1973 "p" gnus-summary-pipe-output
1974 "P" gnus-summary-muttprint
1975 "s" gnus-soup-add-article)
1977 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1978 "b" gnus-summary-display-buttonized
1979 "m" gnus-summary-repair-multipart
1980 "v" gnus-article-view-part
1981 "o" gnus-article-save-part
1982 "c" gnus-article-copy-part
1983 "C" gnus-article-view-part-as-charset
1984 "e" gnus-article-view-part-externally
1985 "E" gnus-article-encrypt-body
1986 "i" gnus-article-inline-part
1987 "|" gnus-article-pipe-part)
1989 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1990 "p" gnus-summary-mark-as-processable
1991 "u" gnus-summary-unmark-as-processable
1992 "U" gnus-summary-unmark-all-processable
1993 "v" gnus-uu-mark-over
1994 "s" gnus-uu-mark-series
1995 "r" gnus-uu-mark-region
1996 "g" gnus-uu-unmark-region
1997 "R" gnus-uu-mark-by-regexp
1998 "G" gnus-uu-unmark-by-regexp
1999 "t" gnus-uu-mark-thread
2000 "T" gnus-uu-unmark-thread
2001 "a" gnus-uu-mark-all
2002 "b" gnus-uu-mark-buffer
2003 "S" gnus-uu-mark-sparse
2004 "k" gnus-summary-kill-process-mark
2005 "y" gnus-summary-yank-process-mark
2006 "w" gnus-summary-save-process-mark
2007 "i" gnus-uu-invert-processable)
2009 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2010 ;;"x" gnus-uu-extract-any
2011 "m" gnus-summary-save-parts
2012 "u" gnus-uu-decode-uu
2013 "U" gnus-uu-decode-uu-and-save
2014 "s" gnus-uu-decode-unshar
2015 "S" gnus-uu-decode-unshar-and-save
2016 "o" gnus-uu-decode-save
2017 "O" gnus-uu-decode-save
2018 "b" gnus-uu-decode-binhex
2019 "B" gnus-uu-decode-binhex
2020 "p" gnus-uu-decode-postscript
2021 "P" gnus-uu-decode-postscript-and-save)
2024 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2025 "u" gnus-uu-decode-uu-view
2026 "U" gnus-uu-decode-uu-and-save-view
2027 "s" gnus-uu-decode-unshar-view
2028 "S" gnus-uu-decode-unshar-and-save-view
2029 "o" gnus-uu-decode-save-view
2030 "O" gnus-uu-decode-save-view
2031 "b" gnus-uu-decode-binhex-view
2032 "B" gnus-uu-decode-binhex-view
2033 "p" gnus-uu-decode-postscript-view
2034 "P" gnus-uu-decode-postscript-and-save-view)
2036 (defvar gnus-article-post-menu nil)
2038 (defconst gnus-summary-menu-maxlen 20)
2040 (defun gnus-summary-menu-split (menu)
2041 ;; If we have lots of elements, divide them into groups of 20
2042 ;; and make a pane (or submenu) for each one.
2043 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2044 (let ((menu menu) sublists next
2047 ;; Pull off the next gnus-summary-menu-maxlen elements
2048 ;; and make them the next element of sublist.
2049 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2051 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2053 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2054 (aref (car (last menu)) 0)) menu)
2058 (nreverse sublists))
2059 ;; Few elements--put them all in one pane.
2062 (defun gnus-summary-make-menu-bar ()
2063 (gnus-turn-off-edit-menu 'summary)
2065 (unless (boundp 'gnus-summary-misc-menu)
2068 gnus-summary-kill-menu gnus-summary-mode-map ""
2073 ["Customize" gnus-score-customize t])
2074 (gnus-make-score-map 'increase)
2075 (gnus-make-score-map 'lower)
2077 ["Kill below" gnus-summary-kill-below t]
2078 ["Mark above" gnus-summary-mark-above t]
2079 ["Tick above" gnus-summary-tick-above t]
2080 ["Clear above" gnus-summary-clear-above t])
2081 ["Current score" gnus-summary-current-score t]
2082 ["Set score" gnus-summary-set-score t]
2083 ["Switch current score file..." gnus-score-change-score-file t]
2084 ["Set mark below..." gnus-score-set-mark-below t]
2085 ["Set expunge below..." gnus-score-set-expunge-below t]
2086 ["Edit current score file" gnus-score-edit-current-scores t]
2087 ["Edit score file" gnus-score-edit-file t]
2088 ["Trace score" gnus-score-find-trace t]
2089 ["Find words" gnus-score-find-favourite-words t]
2090 ["Rescore buffer" gnus-summary-rescore t]
2091 ["Increase score..." gnus-summary-increase-score t]
2092 ["Lower score..." gnus-summary-lower-score t]))))
2094 ;; Define both the Article menu in the summary buffer and the
2095 ;; equivalent Commands menu in the article buffer here for
2099 ["All" gnus-article-hide t]
2100 ["Headers" gnus-article-hide-headers t]
2101 ["Signature" gnus-article-hide-signature t]
2102 ["Citation" gnus-article-hide-citation t]
2103 ["List identifiers" gnus-article-hide-list-identifiers t]
2104 ["Banner" gnus-article-strip-banner t]
2105 ["Boring headers" gnus-article-hide-boring-headers t])
2107 ["All" gnus-article-highlight t]
2108 ["Headers" gnus-article-highlight-headers t]
2109 ["Signature" gnus-article-highlight-signature t]
2110 ["Citation" gnus-article-highlight-citation t])
2112 ["Local" gnus-article-date-local t]
2113 ["ISO8601" gnus-article-date-iso8601 t]
2114 ["UT" gnus-article-date-ut t]
2115 ["Original" gnus-article-date-original t]
2116 ["Lapsed" gnus-article-date-lapsed t]
2117 ["User-defined" gnus-article-date-user t])
2119 ["Remove images" gnus-article-remove-images t]
2120 ["Toggle smiley" gnus-treat-smiley t]
2121 ["Show X-Face" gnus-article-display-x-face t]
2122 ["Show picons in From" gnus-treat-from-picon t]
2123 ["Show picons in mail headers" gnus-treat-mail-picon t]
2124 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2125 ("View as different encoding"
2126 ,@(gnus-summary-menu-split
2129 ;; Since easymenu under Emacs doesn't allow
2130 ;; lambda forms for menu commands, we should
2131 ;; provide intern'ed function symbols.
2132 (let ((command (intern (format "\
2133 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2137 (let ((gnus-summary-show-article-charset-alist
2139 (gnus-summary-show-article 1))))
2140 `[,(symbol-name cs) ,command t]))
2141 (sort (if (fboundp 'coding-system-list)
2142 (coding-system-list)
2143 ;;(mapcar 'car mm-mime-mule-charset-alist)
2148 ["Leading" gnus-article-strip-leading-blank-lines t]
2149 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2150 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2151 ["All of the above" gnus-article-strip-blank-lines t]
2152 ["All" gnus-article-strip-all-blank-lines t]
2153 ["Leading space" gnus-article-strip-leading-space t]
2154 ["Trailing space" gnus-article-strip-trailing-space t]
2155 ["Leading space in headers"
2156 gnus-article-remove-leading-whitespace t])
2157 ["Overstrike" gnus-article-treat-overstrike t]
2158 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2159 ["Emphasis" gnus-article-emphasize t]
2160 ["Word wrap" gnus-article-fill-cited-article t]
2161 ["Fill long lines" gnus-article-fill-long-lines t]
2162 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2163 ["CR" gnus-article-remove-cr t]
2164 ["Rot 13" gnus-summary-caesar-message
2165 ,@(if (featurep 'xemacs) '(t)
2166 '(:help "\"Caesar rotate\" article by 13"))]
2167 ["Morse decode" gnus-summary-morse-message t]
2168 ["Unix pipe..." gnus-summary-pipe-message t]
2169 ["Add buttons" gnus-article-add-buttons t]
2170 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2171 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2172 ["Toggle MIME" gnus-summary-toggle-mime t]
2173 ["Verbose header" gnus-summary-verbose-headers t]
2174 ["Toggle header" gnus-summary-toggle-header t]
2175 ["Unfold headers" gnus-article-treat-unfold-headers t]
2176 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2177 ["Html" gnus-article-wash-html t]
2178 ["URLs" gnus-article-unsplit-urls t]
2179 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2180 ["HZ" gnus-article-decode-HZ t]
2181 ("(Outlook) Deuglify"
2182 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2183 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2184 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2185 ["Full (Outlook) deuglify"
2186 gnus-article-outlook-deuglify-article t])
2189 ["Save in default format" gnus-summary-save-article
2190 ,@(if (featurep 'xemacs) '(t)
2191 '(:help "Save article using default method"))]
2192 ["Save in file" gnus-summary-save-article-file
2193 ,@(if (featurep 'xemacs) '(t)
2194 '(:help "Save article in file"))]
2195 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2196 ["Save in MH folder" gnus-summary-save-article-folder t]
2197 ["Save in VM folder" gnus-summary-save-article-vm t]
2198 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2199 ["Save body in file" gnus-summary-save-article-body-file t]
2200 ["Pipe through a filter" gnus-summary-pipe-output t]
2201 ["Add to SOUP packet" gnus-soup-add-article t]
2202 ["Print with Muttprint" gnus-summary-muttprint t]
2203 ["Print" gnus-summary-print-article t])
2205 ["Respool article..." gnus-summary-respool-article t]
2206 ["Move article..." gnus-summary-move-article
2207 (gnus-check-backend-function
2208 'request-move-article gnus-newsgroup-name)]
2209 ["Copy article..." gnus-summary-copy-article t]
2210 ["Crosspost article..." gnus-summary-crosspost-article
2211 (gnus-check-backend-function
2212 'request-replace-article gnus-newsgroup-name)]
2213 ["Import file..." gnus-summary-import-article
2214 (gnus-check-backend-function
2215 'request-accept-article gnus-newsgroup-name)]
2216 ["Create article..." gnus-summary-create-article
2217 (gnus-check-backend-function
2218 'request-accept-article gnus-newsgroup-name)]
2219 ["Check if posted" gnus-summary-article-posted-p t]
2220 ["Edit article" gnus-summary-edit-article
2221 (not (gnus-group-read-only-p))]
2222 ["Delete article" gnus-summary-delete-article
2223 (gnus-check-backend-function
2224 'request-expire-articles gnus-newsgroup-name)]
2225 ["Query respool" gnus-summary-respool-query t]
2226 ["Trace respool" gnus-summary-respool-trace t]
2227 ["Delete expirable articles" gnus-summary-expire-articles-now
2228 (gnus-check-backend-function
2229 'request-expire-articles gnus-newsgroup-name)])
2231 ["Uudecode" gnus-uu-decode-uu
2232 ,@(if (featurep 'xemacs) '(t)
2233 '(:help "Decode uuencoded article(s)"))]
2234 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2235 ["Unshar" gnus-uu-decode-unshar t]
2236 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2237 ["Save" gnus-uu-decode-save t]
2238 ["Binhex" gnus-uu-decode-binhex t]
2239 ["Postscript" gnus-uu-decode-postscript t])
2241 ["Enter article" gnus-cache-enter-article t]
2242 ["Remove article" gnus-cache-remove-article t])
2243 ["Translate" gnus-article-babel t]
2244 ["Select article buffer" gnus-summary-select-article-buffer t]
2245 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2246 ["Isearch article..." gnus-summary-isearch-article t]
2247 ["Beginning of the article" gnus-summary-beginning-of-article t]
2248 ["End of the article" gnus-summary-end-of-article t]
2249 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2250 ["Fetch referenced articles" gnus-summary-refer-references t]
2251 ["Fetch current thread" gnus-summary-refer-thread t]
2252 ["Fetch article with id..." gnus-summary-refer-article t]
2253 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2254 ["Redisplay" gnus-summary-show-article t]
2255 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2257 gnus-summary-article-menu gnus-summary-mode-map ""
2258 (cons "Article" innards))
2260 (if (not (keymapp gnus-summary-article-menu))
2262 gnus-article-commands-menu gnus-article-mode-map ""
2263 (cons "Commands" innards))
2264 ;; in Emacs, don't share menu.
2265 (setq gnus-article-commands-menu
2266 (copy-keymap gnus-summary-article-menu))
2267 (define-key gnus-article-mode-map [menu-bar commands]
2268 (cons "Commands" gnus-article-commands-menu))))
2271 gnus-summary-thread-menu gnus-summary-mode-map ""
2273 ["Find all messages in thread" gnus-summary-refer-thread t]
2274 ["Toggle threading" gnus-summary-toggle-threads t]
2275 ["Hide threads" gnus-summary-hide-all-threads t]
2276 ["Show threads" gnus-summary-show-all-threads t]
2277 ["Hide thread" gnus-summary-hide-thread t]
2278 ["Show thread" gnus-summary-show-thread t]
2279 ["Go to next thread" gnus-summary-next-thread t]
2280 ["Go to previous thread" gnus-summary-prev-thread t]
2281 ["Go down thread" gnus-summary-down-thread t]
2282 ["Go up thread" gnus-summary-up-thread t]
2283 ["Top of thread" gnus-summary-top-thread t]
2284 ["Mark thread as read" gnus-summary-kill-thread t]
2285 ["Lower thread score" gnus-summary-lower-thread t]
2286 ["Raise thread score" gnus-summary-raise-thread t]
2287 ["Rethread current" gnus-summary-rethread-current t]))
2290 gnus-summary-post-menu gnus-summary-mode-map ""
2292 ["Send a message (mail or news)" gnus-summary-post-news
2293 ,@(if (featurep 'xemacs) '(t)
2294 '(:help "Post an article"))]
2295 ["Followup" gnus-summary-followup
2296 ,@(if (featurep 'xemacs) '(t)
2297 '(:help "Post followup to this article"))]
2298 ["Followup and yank" gnus-summary-followup-with-original
2299 ,@(if (featurep 'xemacs) '(t)
2300 '(:help "Post followup to this article, quoting its contents"))]
2301 ["Supersede article" gnus-summary-supersede-article t]
2302 ["Cancel article" gnus-summary-cancel-article
2303 ,@(if (featurep 'xemacs) '(t)
2304 '(:help "Cancel an article you posted"))]
2305 ["Reply" gnus-summary-reply t]
2306 ["Reply and yank" gnus-summary-reply-with-original t]
2307 ["Wide reply" gnus-summary-wide-reply t]
2308 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2309 ,@(if (featurep 'xemacs) '(t)
2310 '(:help "Mail a reply, quoting this article"))]
2311 ["Very wide reply" gnus-summary-very-wide-reply t]
2312 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2313 ,@(if (featurep 'xemacs) '(t)
2314 '(:help "Mail a very wide reply, quoting this article"))]
2315 ["Mail forward" gnus-summary-mail-forward t]
2316 ["Post forward" gnus-summary-post-forward t]
2317 ["Digest and mail" gnus-summary-digest-mail-forward t]
2318 ["Digest and post" gnus-summary-digest-post-forward t]
2319 ["Resend message" gnus-summary-resend-message t]
2320 ["Resend message edit" gnus-summary-resend-message-edit t]
2321 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2322 ["Send a mail" gnus-summary-mail-other-window t]
2323 ["Create a local message" gnus-summary-news-other-window t]
2324 ["Uuencode and post" gnus-uu-post-news
2325 ,@(if (featurep 'xemacs) '(t)
2326 '(:help "Post a uuencoded article"))]
2327 ["Followup via news" gnus-summary-followup-to-mail t]
2328 ["Followup via news and yank"
2329 gnus-summary-followup-to-mail-with-original t]
2331 ;;["Send" gnus-summary-send-draft t]
2332 ;;["Send bounced" gnus-resend-bounced-mail t])
2336 ((not (keymapp gnus-summary-post-menu))
2337 (setq gnus-article-post-menu gnus-summary-post-menu))
2338 ((not gnus-article-post-menu)
2339 ;; Don't share post menu.
2340 (setq gnus-article-post-menu
2341 (copy-keymap gnus-summary-post-menu))))
2342 (define-key gnus-article-mode-map [menu-bar post]
2343 (cons "Post" gnus-article-post-menu))
2346 gnus-summary-misc-menu gnus-summary-mode-map ""
2349 ["Mark as read" gnus-summary-mark-as-read-forward t]
2350 ["Mark same subject and select"
2351 gnus-summary-kill-same-subject-and-select t]
2352 ["Mark same subject" gnus-summary-kill-same-subject t]
2353 ["Catchup" gnus-summary-catchup
2354 ,@(if (featurep 'xemacs) '(t)
2355 '(:help "Mark unread articles in this group as read"))]
2356 ["Catchup all" gnus-summary-catchup-all t]
2357 ["Catchup to here" gnus-summary-catchup-to-here t]
2358 ["Catchup from here" gnus-summary-catchup-from-here t]
2359 ["Catchup region" gnus-summary-mark-region-as-read
2360 (gnus-mark-active-p)]
2361 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2363 ["Tick" gnus-summary-tick-article-forward t]
2364 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2365 ["Remove marks" gnus-summary-clear-mark-forward t]
2366 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2367 ["Set bookmark" gnus-summary-set-bookmark t]
2368 ["Remove bookmark" gnus-summary-remove-bookmark t])
2370 ["Marks..." gnus-summary-limit-to-marks t]
2371 ["Subject..." gnus-summary-limit-to-subject t]
2372 ["Author..." gnus-summary-limit-to-author t]
2373 ["Age..." gnus-summary-limit-to-age t]
2374 ["Extra..." gnus-summary-limit-to-extra t]
2375 ["Score..." gnus-summary-limit-to-score t]
2376 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2377 ["Unread" gnus-summary-limit-to-unread t]
2378 ["Unseen" gnus-summary-limit-to-unseen t]
2379 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2380 ["Next articles" gnus-summary-limit-to-articles t]
2381 ["Pop limit" gnus-summary-pop-limit t]
2382 ["Show dormant" gnus-summary-limit-include-dormant t]
2383 ["Hide childless dormant"
2384 gnus-summary-limit-exclude-childless-dormant t]
2385 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2386 ["Hide marked" gnus-summary-limit-exclude-marks t]
2387 ["Show expunged" gnus-summary-limit-include-expunged t])
2389 ["Set mark" gnus-summary-mark-as-processable t]
2390 ["Remove mark" gnus-summary-unmark-as-processable t]
2391 ["Remove all marks" gnus-summary-unmark-all-processable t]
2392 ["Mark above" gnus-uu-mark-over t]
2393 ["Mark series" gnus-uu-mark-series t]
2394 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2395 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2396 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2397 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2398 ["Mark all" gnus-uu-mark-all t]
2399 ["Mark buffer" gnus-uu-mark-buffer t]
2400 ["Mark sparse" gnus-uu-mark-sparse t]
2401 ["Mark thread" gnus-uu-mark-thread t]
2402 ["Unmark thread" gnus-uu-unmark-thread t]
2403 ("Process Mark Sets"
2404 ["Kill" gnus-summary-kill-process-mark t]
2405 ["Yank" gnus-summary-yank-process-mark
2406 gnus-newsgroup-process-stack]
2407 ["Save" gnus-summary-save-process-mark t]
2408 ["Run command on marked..." gnus-summary-universal-argument t]))
2410 ["Page forward" gnus-summary-next-page
2411 ,@(if (featurep 'xemacs) '(t)
2412 '(:help "Show next page of article"))]
2413 ["Page backward" gnus-summary-prev-page
2414 ,@(if (featurep 'xemacs) '(t)
2415 '(:help "Show previous page of article"))]
2416 ["Line forward" gnus-summary-scroll-up t])
2418 ["Next unread article" gnus-summary-next-unread-article t]
2419 ["Previous unread article" gnus-summary-prev-unread-article t]
2420 ["Next article" gnus-summary-next-article t]
2421 ["Previous article" gnus-summary-prev-article t]
2422 ["Next unread subject" gnus-summary-next-unread-subject t]
2423 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2424 ["Next article same subject" gnus-summary-next-same-subject t]
2425 ["Previous article same subject" gnus-summary-prev-same-subject t]
2426 ["First unread article" gnus-summary-first-unread-article t]
2427 ["Best unread article" gnus-summary-best-unread-article t]
2428 ["Go to subject number..." gnus-summary-goto-subject t]
2429 ["Go to article number..." gnus-summary-goto-article t]
2430 ["Go to the last article" gnus-summary-goto-last-article t]
2431 ["Pop article off history" gnus-summary-pop-article t])
2433 ["Sort by number" gnus-summary-sort-by-number t]
2434 ["Sort by author" gnus-summary-sort-by-author t]
2435 ["Sort by subject" gnus-summary-sort-by-subject t]
2436 ["Sort by date" gnus-summary-sort-by-date t]
2437 ["Sort by score" gnus-summary-sort-by-score t]
2438 ["Sort by lines" gnus-summary-sort-by-lines t]
2439 ["Sort by characters" gnus-summary-sort-by-chars t]
2440 ["Randomize" gnus-summary-sort-by-random t]
2441 ["Original sort" gnus-summary-sort-by-original t])
2443 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2444 ["Describe group" gnus-summary-describe-group t]
2445 ["Fetch charter" gnus-group-fetch-charter
2446 ,@(if (featurep 'xemacs) nil
2447 '(:help "Display the charter of the current group"))]
2448 ["Fetch control message" gnus-group-fetch-control
2449 ,@(if (featurep 'xemacs) nil
2450 '(:help "Display the archived control message for the current group"))]
2451 ["Read manual" gnus-info-find-node t])
2453 ["Pick and read" gnus-pick-mode t]
2454 ["Binary" gnus-binary-mode t])
2456 ["Regenerate" gnus-summary-prepare t]
2457 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2458 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2459 ["Toggle threading" gnus-summary-toggle-threads t])
2460 ["See old articles" gnus-summary-insert-old-articles t]
2461 ["See new articles" gnus-summary-insert-new-articles t]
2462 ["Filter articles..." gnus-summary-execute-command t]
2463 ["Run command on articles..." gnus-summary-universal-argument t]
2464 ["Search articles forward..." gnus-summary-search-article-forward t]
2465 ["Search articles backward..." gnus-summary-search-article-backward t]
2466 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2467 ["Expand window" gnus-summary-expand-window t]
2468 ["Expire expirable articles" gnus-summary-expire-articles
2469 (gnus-check-backend-function
2470 'request-expire-articles gnus-newsgroup-name)]
2471 ["Edit local kill file" gnus-summary-edit-local-kill t]
2472 ["Edit main kill file" gnus-summary-edit-global-kill t]
2473 ["Edit group parameters" gnus-summary-edit-parameters t]
2474 ["Customize group parameters" gnus-summary-customize-parameters t]
2475 ["Send a bug report" gnus-bug t]
2477 ["Catchup and exit" gnus-summary-catchup-and-exit
2478 ,@(if (featurep 'xemacs) '(t)
2479 '(:help "Mark unread articles in this group as read, then exit"))]
2480 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2481 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2482 ["Exit group" gnus-summary-exit
2483 ,@(if (featurep 'xemacs) '(t)
2484 '(:help "Exit current group, return to group selection mode"))]
2485 ["Exit group without updating" gnus-summary-exit-no-update t]
2486 ["Exit and goto next group" gnus-summary-next-group t]
2487 ["Exit and goto prev group" gnus-summary-prev-group t]
2488 ["Reselect group" gnus-summary-reselect-current-group t]
2489 ["Rescan group" gnus-summary-rescan-group t]
2490 ["Update dribble" gnus-summary-save-newsrc t])))
2492 (gnus-run-hooks 'gnus-summary-menu-hook)))
2494 (defvar gnus-summary-tool-bar-map nil)
2496 ;; Emacs 21 tool bar. Should be no-op otherwise.
2497 (defun gnus-summary-make-tool-bar ()
2498 (if (and (fboundp 'tool-bar-add-item-from-menu)
2499 (default-value 'tool-bar-mode)
2500 (not gnus-summary-tool-bar-map))
2501 (setq gnus-summary-tool-bar-map
2502 (let ((tool-bar-map (make-sparse-keymap))
2503 (load-path (mm-image-load-path)))
2504 (tool-bar-add-item-from-menu
2505 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2506 (tool-bar-add-item-from-menu
2507 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2508 (tool-bar-add-item-from-menu
2509 'gnus-summary-post-news "post" gnus-summary-mode-map)
2510 (tool-bar-add-item-from-menu
2511 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2512 (tool-bar-add-item-from-menu
2513 'gnus-summary-followup "followup" gnus-summary-mode-map)
2514 (tool-bar-add-item-from-menu
2515 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2516 (tool-bar-add-item-from-menu
2517 'gnus-summary-reply "reply" gnus-summary-mode-map)
2518 (tool-bar-add-item-from-menu
2519 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2520 (tool-bar-add-item-from-menu
2521 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2522 (tool-bar-add-item-from-menu
2523 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2524 (tool-bar-add-item-from-menu
2525 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2526 (tool-bar-add-item-from-menu
2527 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2528 (tool-bar-add-item-from-menu
2529 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2530 (tool-bar-add-item-from-menu
2531 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2532 (tool-bar-add-item-from-menu
2533 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2535 (if gnus-summary-tool-bar-map
2536 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2538 (defun gnus-score-set-default (var value)
2539 "A version of set that updates the GNU Emacs menu-bar."
2541 ;; It is the message that forces the active status to be updated.
2544 (defun gnus-make-score-map (type)
2545 "Make a summary score map of type TYPE."
2548 (let ((headers '(("author" "from" string)
2549 ("subject" "subject" string)
2550 ("article body" "body" string)
2551 ("article head" "head" string)
2552 ("xref" "xref" string)
2553 ("extra header" "extra" string)
2554 ("lines" "lines" number)
2555 ("followups to author" "followup" string)))
2556 (types '((number ("less than" <)
2559 (string ("substring" s)
2563 (perms '(("temporary" (current-time-string))
2571 (if (eq type 'lower)
2576 (setq header (car headers))
2582 (let ((ts (cdr (assoc (nth 2 header) types)))
2598 'gnus-summary-score-entry
2600 (if (or (string= (nth 1 header)
2602 (string= (nth 1 header)
2605 (list 'gnus-summary-header
2607 (list 'quote (nth 1 (car ts)))
2608 (list 'gnus-score-delta-default
2615 (list (nreverse outp))))
2618 (list (nreverse outt))))
2620 (setq headers (cdr headers)))
2621 (list (nreverse outh))))))))
2625 (defun gnus-summary-mode (&optional group)
2626 "Major mode for reading articles.
2628 All normal editing commands are switched off.
2629 \\<gnus-summary-mode-map>
2630 Each line in this buffer represents one article. To read an
2631 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2632 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2635 You can also post articles and send mail from this buffer. To
2636 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2637 of an article, type `\\[gnus-summary-reply]'.
2639 There are approx. one gazillion commands you can execute in this
2640 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2642 The following commands are available:
2644 \\{gnus-summary-mode-map}"
2646 (kill-all-local-variables)
2647 (when (gnus-visual-p 'summary-menu 'menu)
2648 (gnus-summary-make-menu-bar)
2649 (gnus-summary-make-tool-bar))
2650 (gnus-summary-make-local-variables)
2651 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2652 (gnus-summary-make-local-variables))
2653 (gnus-make-thread-indent-array)
2654 (gnus-simplify-mode-line)
2655 (setq major-mode 'gnus-summary-mode)
2656 (setq mode-name "Summary")
2657 (make-local-variable 'minor-mode-alist)
2658 (use-local-map gnus-summary-mode-map)
2659 (buffer-disable-undo)
2660 (setq buffer-read-only t) ;Disable modification
2661 (setq truncate-lines t)
2662 (setq selective-display t)
2663 (setq selective-display-ellipses t) ;Display `...'
2664 (gnus-summary-set-display-table)
2665 (gnus-set-default-directory)
2666 (setq gnus-newsgroup-name group)
2667 (unless (gnus-news-group-p group)
2668 (setq gnus-newsgroup-incorporated
2669 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2670 (make-local-variable 'gnus-summary-line-format)
2671 (make-local-variable 'gnus-summary-line-format-spec)
2672 (make-local-variable 'gnus-summary-dummy-line-format)
2673 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2674 (make-local-variable 'gnus-summary-mark-positions)
2675 (gnus-make-local-hook 'pre-command-hook)
2676 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2677 (gnus-run-hooks 'gnus-summary-mode-hook)
2678 (turn-on-gnus-mailing-list-mode)
2679 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2680 (gnus-update-summary-mark-positions))
2682 (defun gnus-summary-make-local-variables ()
2683 "Make all the local summary buffer variables."
2685 (dolist (local gnus-summary-local-variables)
2688 (if (eq (cdr local) 'global)
2689 ;; Copy the global value of the variable.
2690 (setq global (symbol-value (car local)))
2691 ;; Use the value from the list.
2692 (setq global (eval (cdr local))))
2693 (set (make-local-variable (car local)) global))
2694 ;; Simple nil-valued local variable.
2695 (set (make-local-variable local) nil)))))
2697 (defun gnus-summary-clear-local-variables ()
2698 (let ((locals gnus-summary-local-variables))
2700 (if (consp (car locals))
2701 (and (vectorp (caar locals))
2702 (set (caar locals) nil))
2703 (and (vectorp (car locals))
2704 (set (car locals) nil)))
2705 (setq locals (cdr locals)))))
2707 ;; Summary data functions.
2709 (defmacro gnus-data-number (data)
2712 (defmacro gnus-data-set-number (data number)
2713 `(setcar ,data ,number))
2715 (defmacro gnus-data-mark (data)
2718 (defmacro gnus-data-set-mark (data mark)
2719 `(setcar (nthcdr 1 ,data) ,mark))
2721 (defmacro gnus-data-pos (data)
2724 (defmacro gnus-data-set-pos (data pos)
2725 `(setcar (nthcdr 2 ,data) ,pos))
2727 (defmacro gnus-data-header (data)
2730 (defmacro gnus-data-set-header (data header)
2731 `(setcar (nthcdr 3 ,data) ,header))
2733 (defmacro gnus-data-level (data)
2736 (defmacro gnus-data-unread-p (data)
2737 `(= (nth 1 ,data) gnus-unread-mark))
2739 (defmacro gnus-data-read-p (data)
2740 `(/= (nth 1 ,data) gnus-unread-mark))
2742 (defmacro gnus-data-pseudo-p (data)
2743 `(consp (nth 3 ,data)))
2745 (defmacro gnus-data-find (number)
2746 `(assq ,number gnus-newsgroup-data))
2748 (defmacro gnus-data-find-list (number &optional data)
2749 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2750 (memq (assq ,number bdata)
2753 (defmacro gnus-data-make (number mark pos header level)
2754 `(list ,number ,mark ,pos ,header ,level))
2756 (defun gnus-data-enter (after-article number mark pos header level offset)
2757 (let ((data (gnus-data-find-list after-article)))
2759 (error "No such article: %d" after-article))
2760 (setcdr data (cons (gnus-data-make number mark pos header level)
2762 (setq gnus-newsgroup-data-reverse nil)
2763 (gnus-data-update-list (cddr data) offset)))
2765 (defun gnus-data-enter-list (after-article list &optional offset)
2767 (let ((data (and after-article (gnus-data-find-list after-article)))
2771 (let ((odata gnus-newsgroup-data))
2772 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2774 (gnus-data-update-list odata offset)))
2775 ;; Find the last element in the list to be spliced into the main
2778 (setq list (cdr list)))
2781 (setcdr list gnus-newsgroup-data)
2782 (setq gnus-newsgroup-data ilist)
2784 (gnus-data-update-list (cdr list) offset)))
2785 (setcdr list (cdr data))
2788 (gnus-data-update-list (cdr list) offset))))
2789 (setq gnus-newsgroup-data-reverse nil))))
2791 (defun gnus-data-remove (article &optional offset)
2792 (let ((data gnus-newsgroup-data))
2793 (if (= (gnus-data-number (car data)) article)
2795 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2796 gnus-newsgroup-data-reverse nil)
2798 (gnus-data-update-list gnus-newsgroup-data offset)))
2800 (when (= (gnus-data-number (cadr data)) article)
2801 (setcdr data (cddr data))
2803 (gnus-data-update-list (cdr data) offset))
2805 gnus-newsgroup-data-reverse nil))
2806 (setq data (cdr data))))))
2808 (defmacro gnus-data-list (backward)
2810 (or gnus-newsgroup-data-reverse
2811 (setq gnus-newsgroup-data-reverse
2812 (reverse gnus-newsgroup-data)))
2813 gnus-newsgroup-data))
2815 (defun gnus-data-update-list (data offset)
2816 "Add OFFSET to the POS of all data entries in DATA."
2817 (setq gnus-newsgroup-data-reverse nil)
2819 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2820 (setq data (cdr data))))
2822 (defun gnus-summary-article-pseudo-p (article)
2823 "Say whether this article is a pseudo article or not."
2824 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2826 (defmacro gnus-summary-article-sparse-p (article)
2827 "Say whether this article is a sparse article or not."
2828 `(memq ,article gnus-newsgroup-sparse))
2830 (defmacro gnus-summary-article-ancient-p (article)
2831 "Say whether this article is a sparse article or not."
2832 `(memq ,article gnus-newsgroup-ancient))
2834 (defun gnus-article-parent-p (number)
2835 "Say whether this article is a parent or not."
2836 (let ((data (gnus-data-find-list number)))
2837 (and (cdr data) ; There has to be an article after...
2838 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2839 (gnus-data-level (nth 1 data))))))
2841 (defun gnus-article-children (number)
2842 "Return a list of all children to NUMBER."
2843 (let* ((data (gnus-data-find-list number))
2844 (level (gnus-data-level (car data)))
2846 (setq data (cdr data))
2848 (= (gnus-data-level (car data)) (1+ level)))
2849 (push (gnus-data-number (car data)) children)
2850 (setq data (cdr data)))
2853 (defmacro gnus-summary-skip-intangible ()
2854 "If the current article is intangible, then jump to a different article."
2855 '(let ((to (get-text-property (point) 'gnus-intangible)))
2856 (and to (gnus-summary-goto-subject to))))
2858 (defmacro gnus-summary-article-intangible-p ()
2859 "Say whether this article is intangible or not."
2860 '(get-text-property (point) 'gnus-intangible))
2862 (defun gnus-article-read-p (article)
2863 "Say whether ARTICLE is read or not."
2864 (not (or (memq article gnus-newsgroup-marked)
2865 (memq article gnus-newsgroup-spam-marked)
2866 (memq article gnus-newsgroup-unreads)
2867 (memq article gnus-newsgroup-unselected)
2868 (memq article gnus-newsgroup-dormant))))
2870 ;; Some summary mode macros.
2872 (defmacro gnus-summary-article-number ()
2873 "The article number of the article on the current line.
2874 If there isn't an article number here, then we return the current
2877 (gnus-summary-skip-intangible)
2878 (or (get-text-property (point) 'gnus-number)
2879 (gnus-summary-last-subject))))
2881 (defmacro gnus-summary-article-header (&optional number)
2882 "Return the header of article NUMBER."
2883 `(gnus-data-header (gnus-data-find
2884 ,(or number '(gnus-summary-article-number)))))
2886 (defmacro gnus-summary-thread-level (&optional number)
2887 "Return the level of thread that starts with article NUMBER."
2888 `(if (and (eq gnus-summary-make-false-root 'dummy)
2889 (get-text-property (point) 'gnus-intangible))
2891 (gnus-data-level (gnus-data-find
2892 ,(or number '(gnus-summary-article-number))))))
2894 (defmacro gnus-summary-article-mark (&optional number)
2895 "Return the mark of article NUMBER."
2896 `(gnus-data-mark (gnus-data-find
2897 ,(or number '(gnus-summary-article-number)))))
2899 (defmacro gnus-summary-article-pos (&optional number)
2900 "Return the position of the line of article NUMBER."
2901 `(gnus-data-pos (gnus-data-find
2902 ,(or number '(gnus-summary-article-number)))))
2904 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2905 (defmacro gnus-summary-article-subject (&optional number)
2906 "Return current subject string or nil if nothing."
2909 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2910 '(gnus-data-header (assq (gnus-summary-article-number)
2911 gnus-newsgroup-data)))))
2914 (mail-header-subject headers))))
2916 (defmacro gnus-summary-article-score (&optional number)
2917 "Return current article score."
2918 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2919 gnus-newsgroup-scored))
2920 gnus-summary-default-score 0))
2922 (defun gnus-summary-article-children (&optional number)
2923 "Return a list of article numbers that are children of article NUMBER."
2924 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2925 (level (gnus-data-level (car data)))
2927 (while (and (setq data (cdr data))
2928 (> (setq l (gnus-data-level (car data))) level))
2929 (and (= (1+ level) l)
2930 (push (gnus-data-number (car data))
2932 (nreverse children)))
2934 (defun gnus-summary-article-parent (&optional number)
2935 "Return the article number of the parent of article NUMBER."
2936 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2937 (gnus-data-list t)))
2938 (level (gnus-data-level (car data))))
2940 () ; This is a root.
2941 ;; We search until we find an article with a level less than
2942 ;; this one. That function has to be the parent.
2943 (while (and (setq data (cdr data))
2944 (not (< (gnus-data-level (car data)) level))))
2945 (and data (gnus-data-number (car data))))))
2947 (defun gnus-unread-mark-p (mark)
2948 "Say whether MARK is the unread mark."
2949 (= mark gnus-unread-mark))
2951 (defun gnus-read-mark-p (mark)
2952 "Say whether MARK is one of the marks that mark as read.
2953 This is all marks except unread, ticked, dormant, and expirable."
2954 (not (or (= mark gnus-unread-mark)
2955 (= mark gnus-ticked-mark)
2956 (= mark gnus-spam-mark)
2957 (= mark gnus-dormant-mark)
2958 (= mark gnus-expirable-mark))))
2960 (defmacro gnus-article-mark (number)
2961 "Return the MARK of article NUMBER.
2962 This macro should only be used when computing the mark the \"first\"
2963 time; i.e., when generating the summary lines. After that,
2964 `gnus-summary-article-mark' should be used to examine the
2967 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2968 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2969 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2970 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2971 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2972 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2973 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2974 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2975 gnus-ancient-mark))))
2977 ;; Saving hidden threads.
2979 (defmacro gnus-save-hidden-threads (&rest forms)
2980 "Save hidden threads, eval FORMS, and restore the hidden threads."
2981 (let ((config (make-symbol "config")))
2982 `(let ((,config (gnus-hidden-threads-configuration)))
2986 (gnus-restore-hidden-threads-configuration ,config)))))
2987 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2988 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2990 (defun gnus-data-compute-positions ()
2991 "Compute the positions of all articles."
2992 (setq gnus-newsgroup-data-reverse nil)
2993 (let ((data gnus-newsgroup-data))
2995 (gnus-save-hidden-threads
2996 (gnus-summary-show-all-threads)
2997 (goto-char (point-min))
2999 (while (get-text-property (point) 'gnus-intangible)
3001 (gnus-data-set-pos (car data) (+ (point) 3))
3002 (setq data (cdr data))
3003 (forward-line 1))))))
3005 (defun gnus-hidden-threads-configuration ()
3006 "Return the current hidden threads configuration."
3009 (goto-char (point-min))
3010 (while (search-forward "\r" nil t)
3011 (push (1- (point)) config))
3014 (defun gnus-restore-hidden-threads-configuration (config)
3015 "Restore hidden threads configuration from CONFIG."
3017 (let (point buffer-read-only)
3018 (while (setq point (pop config))
3019 (when (and (< point (point-max))
3021 (eq (char-after) ?\n))
3022 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3024 ;; Various summary mode internalish functions.
3026 (defun gnus-mouse-pick-article (e)
3029 (gnus-summary-next-page nil t))
3031 (defun gnus-summary-set-display-table ()
3032 "Change the display table.
3033 Odd characters have a tendency to mess
3034 up nicely formatted displays - we make all possible glyphs
3035 display only a single character."
3037 ;; We start from the standard display table, if any.
3038 (let ((table (or (copy-sequence standard-display-table)
3039 (make-display-table)))
3041 ;; Nix out all the control chars...
3042 (while (>= (setq i (1- i)) 0)
3043 (aset table i [??]))
3044 ;; ... but not newline and cr, of course. (cr is necessary for the
3045 ;; selective display).
3046 (aset table ?\n nil)
3047 (aset table ?\r nil)
3048 ;; We keep TAB as well.
3049 (aset table ?\t nil)
3050 ;; We nix out any glyphs over 126 that are not set already.
3052 (while (>= (setq i (1- i)) 127)
3053 ;; Only modify if the entry is nil.
3054 (unless (aref table i)
3055 (aset table i [??]))))
3056 (setq buffer-display-table table)))
3058 (defun gnus-summary-set-article-display-arrow (pos)
3059 "Update the overlay arrow to point to line at position POS."
3060 (when (and gnus-summary-display-arrow
3061 (boundp 'overlay-arrow-position)
3062 (boundp 'overlay-arrow-string))
3066 (unless overlay-arrow-position
3067 (setq overlay-arrow-position (make-marker)))
3068 (setq overlay-arrow-string "=>"
3069 overlay-arrow-position (set-marker overlay-arrow-position
3071 (current-buffer))))))
3073 (defun gnus-summary-setup-buffer (group)
3074 "Initialize summary buffer."
3075 (let ((buffer (gnus-summary-buffer-name group))
3076 (dead-name (concat "*Dead Summary "
3077 (gnus-group-decoded-name group) "*")))
3078 ;; If a dead summary buffer exists, we kill it.
3079 (when (gnus-buffer-live-p dead-name)
3080 (gnus-kill-buffer dead-name))
3081 (if (get-buffer buffer)
3084 (setq gnus-summary-buffer (current-buffer))
3085 (not gnus-newsgroup-prepared))
3086 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3087 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3088 (gnus-summary-mode group)
3090 (gnus-carpal-setup-buffer 'summary))
3091 (unless gnus-single-article-buffer
3092 (make-local-variable 'gnus-article-buffer)
3093 (make-local-variable 'gnus-article-current)
3094 (make-local-variable 'gnus-original-article-buffer))
3095 (setq gnus-newsgroup-name group)
3096 ;; Set any local variables in the group parameters.
3097 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3100 (defun gnus-set-global-variables ()
3101 "Set the global equivalents of the buffer-local variables.
3102 They are set to the latest values they had. These reflect the summary
3103 buffer that was in action when the last article was fetched."
3104 (when (eq major-mode 'gnus-summary-mode)
3105 (setq gnus-summary-buffer (current-buffer))
3106 (let ((name gnus-newsgroup-name)
3107 (marked gnus-newsgroup-marked)
3108 (spam gnus-newsgroup-spam-marked)
3109 (unread gnus-newsgroup-unreads)
3110 (headers gnus-current-headers)
3111 (data gnus-newsgroup-data)
3112 (summary gnus-summary-buffer)
3113 (article-buffer gnus-article-buffer)
3114 (original gnus-original-article-buffer)
3115 (gac gnus-article-current)
3116 (reffed gnus-reffed-article-number)
3117 (score-file gnus-current-score-file)
3118 (default-charset gnus-newsgroup-charset)
3120 (let ((locals gnus-newsgroup-variables))
3122 (if (consp (car locals))
3123 (push (eval (caar locals)) vlist)
3124 (push (eval (car locals)) vlist))
3125 (setq locals (cdr locals)))
3126 (setq vlist (nreverse vlist)))
3128 (set-buffer gnus-group-buffer)
3129 (setq gnus-newsgroup-name name
3130 gnus-newsgroup-marked marked
3131 gnus-newsgroup-spam-marked spam
3132 gnus-newsgroup-unreads unread
3133 gnus-current-headers headers
3134 gnus-newsgroup-data data
3135 gnus-article-current gac
3136 gnus-summary-buffer summary
3137 gnus-article-buffer article-buffer
3138 gnus-original-article-buffer original
3139 gnus-reffed-article-number reffed
3140 gnus-current-score-file score-file
3141 gnus-newsgroup-charset default-charset)
3142 (let ((locals gnus-newsgroup-variables))
3144 (if (consp (car locals))
3145 (set (caar locals) (pop vlist))
3146 (set (car locals) (pop vlist)))
3147 (setq locals (cdr locals))))
3148 ;; The article buffer also has local variables.
3149 (when (gnus-buffer-live-p gnus-article-buffer)
3150 (set-buffer gnus-article-buffer)
3151 (setq gnus-summary-buffer summary))))))
3153 (defun gnus-summary-article-unread-p (article)
3154 "Say whether ARTICLE is unread or not."
3155 (memq article gnus-newsgroup-unreads))
3157 (defun gnus-summary-first-article-p (&optional article)
3158 "Return whether ARTICLE is the first article in the buffer."
3159 (if (not (setq article (or article (gnus-summary-article-number))))
3161 (eq article (caar gnus-newsgroup-data))))
3163 (defun gnus-summary-last-article-p (&optional article)
3164 "Return whether ARTICLE is the last article in the buffer."
3165 (if (not (setq article (or article (gnus-summary-article-number))))
3166 ;; All non-existent numbers are the last article. :-)
3168 (not (cdr (gnus-data-find-list article)))))
3170 (defun gnus-make-thread-indent-array ()
3172 (unless (and gnus-thread-indent-array
3173 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3174 (setq gnus-thread-indent-array (make-vector 201 "")
3175 gnus-thread-indent-array-level gnus-thread-indent-level)
3177 (aset gnus-thread-indent-array n
3178 (make-string (* n gnus-thread-indent-level) ? ))
3181 (defun gnus-update-summary-mark-positions ()
3182 "Compute where the summary marks are to go."
3184 (when (gnus-buffer-exists-p gnus-summary-buffer)
3185 (set-buffer gnus-summary-buffer))
3186 (let ((gnus-replied-mark 129)
3187 (gnus-score-below-mark 130)
3188 (gnus-score-over-mark 130)
3189 (gnus-undownloaded-mark 131)
3190 (spec gnus-summary-line-format-spec)
3193 (gnus-set-work-buffer)
3194 (let ((gnus-summary-line-format-spec spec)
3195 (gnus-newsgroup-downloadable '(0)))
3196 (gnus-summary-insert-line
3197 (make-full-mail-header 0 "" "nobody"
3198 "05 Apr 2001 23:33:09 +0400"
3200 0 nil t 128 t nil "" nil 1)
3201 (goto-char (point-min))
3202 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3203 (- (point) (point-min) 1)))))
3204 (goto-char (point-min))
3205 (push (cons 'replied (and (search-forward "\201" nil t)
3206 (- (point) (point-min) 1)))
3208 (goto-char (point-min))
3209 (push (cons 'score (and (search-forward "\202" nil t)
3210 (- (point) (point-min) 1)))
3212 (goto-char (point-min))
3213 (push (cons 'download
3214 (and (search-forward "\203" nil t)
3215 (- (point) (point-min) 1)))
3217 (setq gnus-summary-mark-positions pos))))
3219 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3220 "Insert a dummy root in the summary buffer."
3222 (gnus-add-text-properties
3223 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3224 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3226 (defun gnus-summary-extract-address-component (from)
3227 (or (car (funcall gnus-extract-address-components from))
3230 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3231 (let ((default-mime-charset (with-current-buffer gnus-summary-buffer
3232 default-mime-charset)))
3233 ;; Is it really necessary to do this next part for each summary line?
3234 ;; Luckily, doesn't seem to slow things down much.
3236 (and gnus-ignored-from-addresses
3237 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3238 (let ((extra-headers (mail-header-extra header))
3242 ((setq to (cdr (assq 'To extra-headers)))
3245 (gnus-summary-extract-address-component
3246 (funcall gnus-decode-encoded-word-function to)))))
3247 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3248 (concat "=> " newsgroups)))))
3249 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3251 (defun gnus-summary-insert-line (gnus-tmp-header
3252 gnus-tmp-level gnus-tmp-current
3253 undownloaded gnus-tmp-unread gnus-tmp-replied
3254 gnus-tmp-expirable gnus-tmp-subject-or-nil
3255 &optional gnus-tmp-dummy gnus-tmp-score
3257 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3258 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3259 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3260 (gnus-tmp-score-char
3261 (if (or (null gnus-summary-default-score)
3262 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3263 gnus-summary-zcore-fuzz))
3265 (if (< gnus-tmp-score gnus-summary-default-score)
3266 gnus-score-below-mark gnus-score-over-mark)))
3267 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3269 (cond (gnus-tmp-process gnus-process-mark)
3270 ((memq gnus-tmp-current gnus-newsgroup-cached)
3272 (gnus-tmp-replied gnus-replied-mark)
3273 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3274 gnus-forwarded-mark)
3275 ((memq gnus-tmp-current gnus-newsgroup-saved)
3277 ((memq gnus-tmp-number gnus-newsgroup-recent)
3279 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3282 (gnus-tmp-downloaded
3284 gnus-undownloaded-mark)
3285 (gnus-newsgroup-agentized
3286 gnus-downloaded-mark)
3289 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3292 ((string-match "<[^>]+> *$" gnus-tmp-from)
3293 (let ((beg (match-beginning 0)))
3294 (or (and (string-match "^\".+\"" gnus-tmp-from)
3295 (substring gnus-tmp-from 1 (1- (match-end 0))))
3296 (substring gnus-tmp-from 0 beg))))
3297 ((string-match "(.+)" gnus-tmp-from)
3298 (substring gnus-tmp-from
3299 (1+ (match-beginning 0)) (1- (match-end 0))))
3301 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3302 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3303 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3304 (buffer-read-only nil))
3305 (when (string= gnus-tmp-name "")
3306 (setq gnus-tmp-name gnus-tmp-from))
3307 (unless (numberp gnus-tmp-lines)
3308 (setq gnus-tmp-lines -1))
3309 (if (= gnus-tmp-lines -1)
3310 (setq gnus-tmp-lines "?")
3311 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3312 (gnus-put-text-property-excluding-characters-with-faces
3314 (progn (eval gnus-summary-line-format-spec) (point))
3315 'gnus-number gnus-tmp-number)
3316 (when (gnus-visual-p 'summary-highlight 'highlight)
3318 (gnus-run-hooks 'gnus-summary-update-hook)
3321 (defun gnus-summary-update-line (&optional dont-update)
3322 "Update summary line after change."
3323 (when (and gnus-summary-default-score
3324 (not gnus-summary-inhibit-highlight))
3325 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3326 (article (gnus-summary-article-number))
3327 (score (gnus-summary-article-score article)))
3329 (if (and gnus-summary-mark-below
3330 (< (gnus-summary-article-score)
3331 gnus-summary-mark-below))
3332 ;; This article has a low score, so we mark it as read.
3333 (when (memq article gnus-newsgroup-unreads)
3334 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3335 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3336 ;; This article was previously marked as read on account
3337 ;; of a low score, but now it has risen, so we mark it as
3339 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3340 (gnus-summary-update-mark
3341 (if (or (null gnus-summary-default-score)
3342 (<= (abs (- score gnus-summary-default-score))
3343 gnus-summary-zcore-fuzz))
3345 (if (< score gnus-summary-default-score)
3346 gnus-score-below-mark gnus-score-over-mark))
3348 ;; Do visual highlighting.
3349 (when (gnus-visual-p 'summary-highlight 'highlight)
3350 (gnus-run-hooks 'gnus-summary-update-hook)))))
3352 (defvar gnus-tmp-new-adopts nil)
3354 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3355 "Return the number of articles in THREAD.
3356 This may be 0 in some cases -- if none of the articles in
3357 the thread are to be displayed."
3359 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3361 ((not (listp thread))
3363 ((and (consp thread) (cdr thread))
3366 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3369 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3372 (when (and level (zerop level) gnus-tmp-new-adopts)
3375 'gnus-summary-number-of-articles-in-thread
3376 gnus-tmp-new-adopts))))
3378 (if (> number 1) gnus-not-empty-thread-mark
3379 gnus-empty-thread-mark)
3382 (defsubst gnus-summary-line-message-size (head)
3383 "Return pretty-printed version of message size.
3384 This function is intended to be used in
3385 `gnus-summary-line-format-alist'."
3386 (let ((c (or (mail-header-chars head) -1)))
3387 (cond ((< c 0) "n/a") ; chars not available
3388 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3389 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3390 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3391 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3394 (defun gnus-summary-set-local-parameters (group)
3395 "Go through the local params of GROUP and set all variable specs in that list."
3396 (let ((params (gnus-group-find-parameter group))
3397 (vars '(quit-config)) ; Ignore quit-config.
3400 (setq elem (car params)
3401 params (cdr params))
3402 (and (consp elem) ; Has to be a cons.
3403 (consp (cdr elem)) ; The cdr has to be a list.
3404 (symbolp (car elem)) ; Has to be a symbol in there.
3405 (not (memq (car elem) vars))
3406 (ignore-errors ; So we set it.
3407 (push (car elem) vars)
3408 (make-local-variable (car elem))
3409 (set (car elem) (eval (nth 1 elem))))))))
3411 (defun gnus-summary-read-group (group &optional show-all no-article
3412 kill-buffer no-display backward
3414 "Start reading news in newsgroup GROUP.
3415 If SHOW-ALL is non-nil, already read articles are also listed.
3416 If NO-ARTICLE is non-nil, no article is selected initially.
3417 If NO-DISPLAY, don't generate a summary buffer."
3421 (let ((gnus-auto-select-next nil))
3422 (or (gnus-summary-read-group-1
3423 group show-all no-article
3424 kill-buffer no-display
3427 select-articles nil)))))
3428 (eq gnus-auto-select-next 'quietly))
3429 (set-buffer gnus-group-buffer)
3430 ;; The entry function called above goes to the next
3431 ;; group automatically, so we go two groups back
3432 ;; if we are searching for the previous group.
3434 (gnus-group-prev-unread-group 2))
3435 (if (not (equal group (gnus-group-group-name)))
3436 (setq group (gnus-group-group-name))
3440 (defun gnus-summary-jump-to-other-group (group &optional show-all)
3441 "Directly jump to the other GROUP from summary buffer.
3442 If SHOW-ALL is non-nil, already read articles are also listed."
3444 (if (eq gnus-summary-buffer (current-buffer))
3445 (list (completing-read
3446 "Group: " gnus-active-hashtb nil t
3447 (when (and gnus-newsgroup-name
3448 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
3449 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
3450 'gnus-group-history)
3452 (error "%s must be invoked from a gnus summary buffer." this-command)))
3453 (unless (or (zerop (length group))
3454 (and gnus-newsgroup-name
3455 (string-equal gnus-newsgroup-name group)))
3457 (gnus-summary-read-group group show-all
3458 gnus-dont-select-after-jump-to-other-group)))
3460 (defun gnus-summary-read-group-1 (group show-all no-article
3461 kill-buffer no-display
3462 &optional select-articles)
3463 ;; Killed foreign groups can't be entered.
3464 ;; (when (and (not (gnus-group-native-p group))
3465 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3466 ;; (error "Dead non-native groups can't be entered"))
3467 (gnus-message 5 "Retrieving newsgroup: %s..."
3468 (gnus-group-decoded-name group))
3469 (let* ((new-group (gnus-summary-setup-buffer group))
3470 (quit-config (gnus-group-quit-config group))
3471 (did-select (and new-group (gnus-select-newsgroup
3472 group show-all select-articles))))
3474 ;; This summary buffer exists already, so we just select it.
3476 (gnus-set-global-variables)
3478 (gnus-kill-or-deaden-summary kill-buffer))
3479 (gnus-configure-windows 'summary 'force)
3480 (gnus-set-mode-line 'summary)
3481 (gnus-summary-position-point)
3484 ;; We couldn't select this group.
3486 (when (and (eq major-mode 'gnus-summary-mode)
3487 (not (equal (current-buffer) kill-buffer)))
3488 (kill-buffer (current-buffer))
3489 (if (not quit-config)
3491 ;; Update the info -- marks might need to be removed,
3493 (gnus-summary-update-info)
3494 (set-buffer gnus-group-buffer)
3495 (gnus-group-jump-to-group group)
3496 (gnus-group-next-unread-group 1))
3497 (gnus-handle-ephemeral-exit quit-config)))
3498 (let ((grpinfo (gnus-get-info group)))
3499 (if (null (gnus-info-read grpinfo))
3500 (gnus-message 3 "Group %s contains no messages"
3501 (gnus-group-decoded-name group))
3502 (gnus-message 3 "Can't select group")))
3504 ;; The user did a `C-g' while prompting for number of articles,
3505 ;; so we exit this group.
3506 ((eq did-select 'quit)
3507 (and (eq major-mode 'gnus-summary-mode)
3508 (not (equal (current-buffer) kill-buffer))
3509 (kill-buffer (current-buffer)))
3511 (gnus-kill-or-deaden-summary kill-buffer))
3512 (if (not quit-config)
3514 (set-buffer gnus-group-buffer)
3515 (gnus-group-jump-to-group group)
3516 (gnus-group-next-unread-group 1)
3517 (gnus-configure-windows 'group 'force))
3518 (gnus-handle-ephemeral-exit quit-config))
3519 ;; Finally signal the quit.
3521 ;; The group was successfully selected.
3523 (gnus-set-global-variables)
3524 ;; Save the active value in effect when the group was entered.
3525 (setq gnus-newsgroup-active
3527 (gnus-active gnus-newsgroup-name)))
3528 ;; You can change the summary buffer in some way with this hook.
3529 (gnus-run-hooks 'gnus-select-group-hook)
3530 (gnus-update-format-specifications
3531 nil 'summary 'summary-mode 'summary-dummy)
3532 (gnus-update-summary-mark-positions)
3533 ;; Do score processing.
3534 (when gnus-use-scoring
3535 (gnus-possibly-score-headers))
3536 ;; Check whether to fill in the gaps in the threads.
3537 (when gnus-build-sparse-threads
3538 (gnus-build-sparse-threads))
3539 ;; Find the initial limit.
3540 (if gnus-show-threads
3542 (let ((gnus-newsgroup-dormant nil))
3543 (gnus-summary-initial-limit show-all))
3544 (gnus-summary-initial-limit show-all))
3545 ;; When unthreaded, all articles are always shown.
3546 (setq gnus-newsgroup-limit
3548 (lambda (header) (mail-header-number header))
3549 gnus-newsgroup-headers)))
3550 ;; Generate the summary buffer.
3552 (gnus-summary-prepare))
3553 (when gnus-use-trees
3554 (gnus-tree-open group)
3555 (setq gnus-summary-highlight-line-function
3556 'gnus-tree-highlight-article))
3557 ;; If the summary buffer is empty, but there are some low-scored
3558 ;; articles or some excluded dormants, we include these in the
3560 (when (and (zerop (buffer-size))
3562 (cond (gnus-newsgroup-dormant
3563 (gnus-summary-limit-include-dormant))
3564 ((and gnus-newsgroup-scored show-all)
3565 (gnus-summary-limit-include-expunged t))))
3566 ;; Function `gnus-apply-kill-file' must be called in this hook.
3567 (gnus-run-hooks 'gnus-apply-kill-hook)
3568 (if (and (zerop (buffer-size))
3571 ;; This newsgroup is empty.
3572 (gnus-summary-catchup-and-exit nil t)
3573 (gnus-message 6 "No unread news")
3575 (gnus-kill-or-deaden-summary kill-buffer))
3576 ;; Return nil from this function.
3578 ;; Hide conversation thread subtrees. We cannot do this in
3579 ;; gnus-summary-prepare-hook since kill processing may not
3580 ;; work with hidden articles.
3581 (gnus-summary-maybe-hide-threads)
3583 (gnus-kill-or-deaden-summary kill-buffer))
3584 (gnus-summary-auto-select-subject)
3585 ;; Show first unread article if requested.
3586 (if (and (not no-article)
3588 gnus-newsgroup-unreads
3589 gnus-auto-select-first)
3591 (gnus-configure-windows 'summary)
3592 (let ((art (gnus-summary-article-number)))
3593 (unless (and (not gnus-plugged)
3594 (or (memq art gnus-newsgroup-undownloaded)
3595 (memq art gnus-newsgroup-downloadable)))
3596 (gnus-summary-goto-article art))))
3597 ;; Don't select any articles.
3598 (gnus-summary-position-point)
3599 (gnus-configure-windows 'summary 'force)
3600 (gnus-set-mode-line 'summary))
3601 (when (and gnus-auto-center-group
3602 (get-buffer-window gnus-group-buffer t))
3603 ;; Gotta use windows, because recenter does weird stuff if
3604 ;; the current buffer ain't the displayed window.
3605 (let ((owin (selected-window)))
3606 (select-window (get-buffer-window gnus-group-buffer t))
3607 (when (gnus-group-goto-group group)
3609 (select-window owin)))
3610 ;; Mark this buffer as "prepared".
3611 (setq gnus-newsgroup-prepared t)
3612 (gnus-run-hooks 'gnus-summary-prepared-hook)
3613 (unless (gnus-ephemeral-group-p group)
3614 (gnus-group-update-group group))
3617 (defun gnus-summary-auto-select-subject ()
3618 "Select the subject line on initial group entry."
3619 (goto-char (point-min))
3621 ((eq gnus-auto-select-subject 'best)
3622 (gnus-summary-best-unread-subject))
3623 ((eq gnus-auto-select-subject 'unread)
3624 (gnus-summary-first-unread-subject))
3625 ((eq gnus-auto-select-subject 'unseen)
3626 (gnus-summary-first-unseen-subject))
3627 ((eq gnus-auto-select-subject 'unseen-or-unread)
3628 (gnus-summary-first-unseen-or-unread-subject))
3629 ((eq gnus-auto-select-subject 'first)
3632 ((functionp gnus-auto-select-subject)
3633 (funcall gnus-auto-select-subject))))
3635 (defun gnus-summary-prepare ()
3636 "Generate the summary buffer."
3638 (let ((buffer-read-only nil))
3640 (setq gnus-newsgroup-data nil
3641 gnus-newsgroup-data-reverse nil)
3642 (gnus-run-hooks 'gnus-summary-generate-hook)
3643 ;; Generate the buffer, either with threads or without.
3644 (when gnus-newsgroup-headers
3645 (gnus-summary-prepare-threads
3646 (if gnus-show-threads
3647 (gnus-sort-gathered-threads
3648 (funcall gnus-summary-thread-gathering-function
3650 (gnus-cut-threads (gnus-make-threads)))))
3651 ;; Unthreaded display.
3652 (gnus-sort-articles gnus-newsgroup-headers))))
3653 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3654 ;; Call hooks for modifying summary buffer.
3655 (goto-char (point-min))
3656 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3658 (defsubst gnus-general-simplify-subject (subject)
3659 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3662 ;; Truncate the subject.
3663 (gnus-simplify-subject-functions
3664 (gnus-map-function gnus-simplify-subject-functions subject))
3665 ((numberp gnus-summary-gather-subject-limit)
3666 (setq subject (gnus-simplify-subject-re subject))
3667 (if (> (length subject) gnus-summary-gather-subject-limit)
3668 (substring subject 0 gnus-summary-gather-subject-limit)
3670 ;; Fuzzily simplify it.
3671 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3672 (gnus-simplify-subject-fuzzy subject))
3673 ;; Just remove the leading "Re:".
3675 (gnus-simplify-subject-re subject))))
3677 (if (and gnus-summary-gather-exclude-subject
3678 (string-match gnus-summary-gather-exclude-subject subject))
3679 nil ; This article shouldn't be gathered
3682 (defun gnus-summary-simplify-subject-query ()
3683 "Query where the respool algorithm would put this article."
3685 (gnus-summary-select-article)
3687 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3689 (defun gnus-gather-threads-by-subject (threads)
3690 "Gather threads by looking at Subject headers."
3691 (if (not gnus-summary-make-false-root)
3693 (let ((hashtb (gnus-make-hashtable 1024))
3696 subject hthread whole-subject)
3698 (setq subject (gnus-general-simplify-subject
3699 (setq whole-subject (mail-header-subject
3702 (if (setq hthread (gnus-gethash subject hashtb))
3704 ;; We enter a dummy root into the thread, if we
3705 ;; haven't done that already.
3706 (unless (stringp (caar hthread))
3707 (setcar hthread (list whole-subject (car hthread))))
3708 ;; We add this new gathered thread to this gathered
3710 (setcdr (car hthread)
3711 (nconc (cdar hthread) (list (car threads))))
3712 ;; Remove it from the list of threads.
3713 (setcdr prev (cdr threads))
3714 (setq threads prev))
3715 ;; Enter this thread into the hash table.
3716 (gnus-sethash subject
3717 (if gnus-summary-make-false-root-always
3719 ;; If you want a dummy root above all
3721 (setcar threads (list whole-subject
3727 (setq threads (cdr threads)))
3730 (defun gnus-gather-threads-by-references (threads)
3731 "Gather threads by looking at References headers."
3732 (let ((idhashtb (gnus-make-hashtable 1024))
3733 (thhashtb (gnus-make-hashtable 1024))
3736 ids references id gthread gid entered ref)
3738 (when (setq references (mail-header-references (caar threads)))
3739 (setq id (mail-header-id (caar threads))
3740 ids (inline (gnus-split-references references))
3742 (while (setq ref (pop ids))
3743 (setq ids (delete ref ids))
3744 (if (not (setq gid (gnus-gethash ref idhashtb)))
3746 (gnus-sethash ref id idhashtb)
3747 (gnus-sethash id threads thhashtb))
3748 (setq gthread (gnus-gethash gid thhashtb))
3750 ;; We enter a dummy root into the thread, if we
3751 ;; haven't done that already.
3752 (unless (stringp (caar gthread))
3753 (setcar gthread (list (mail-header-subject (caar gthread))
3755 ;; We add this new gathered thread to this gathered
3757 (setcdr (car gthread)
3758 (nconc (cdar gthread) (list (car threads)))))
3759 ;; Add it into the thread hash table.
3760 (gnus-sethash id gthread thhashtb)
3762 ;; Remove it from the list of threads.
3763 (setcdr prev (cdr threads))
3764 (setq threads prev))))
3766 (setq threads (cdr threads)))
3769 (defun gnus-sort-gathered-threads (threads)
3770 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3771 (let ((result threads))
3773 (when (stringp (caar threads))
3774 (setcdr (car threads)
3775 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3776 (setq threads (cdr threads)))
3779 (defun gnus-thread-loop-p (root thread)
3780 "Say whether ROOT is in THREAD."
3781 (let ((stack (list thread))
3784 (while (setq thread (pop stack))
3785 (setq th (cdr thread))
3787 (not (eq (caar th) root)))
3790 ;; We have found a loop.
3792 (setcdr thread (delq (car th) (cdr thread)))
3793 (if (boundp (setq ref-dep (intern "none"
3794 gnus-newsgroup-dependencies)))
3795 (setcdr (symbol-value ref-dep)
3796 (nconc (cdr (symbol-value ref-dep))
3798 (set ref-dep (list nil (car th))))
3801 ;; Push all the subthreads onto the stack.
3802 (push (cdr thread) stack)))
3805 (defun gnus-make-threads ()
3806 "Go through the dependency hashtb and find the roots. Return all threads."
3808 (while (catch 'infloop
3811 ;; Deal with self-referencing References loops.
3812 (when (and (car (symbol-value refs))
3819 (car (symbol-value refs)) thread))
3820 (cdr (symbol-value refs)))))))
3823 (unless (car (symbol-value refs))
3824 ;; These threads do not refer back to any other articles,
3825 ;; so they're roots.
3826 (setq threads (append (cdr (symbol-value refs)) threads))))
3827 gnus-newsgroup-dependencies)))
3830 ;; Build the thread tree.
3831 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3832 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3834 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3835 if it was already present.
3837 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3838 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3839 Message-IDs will be renamed to a unique Message-ID before being
3842 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3843 (let* ((id (mail-header-id header))
3844 (id-dep (and id (intern id dependencies)))
3845 parent-id ref ref-dep ref-header replaced)
3846 ;; Enter this `header' in the `dependencies' table.
3850 ;; The first two cases do the normal part: enter a new `header'
3851 ;; in the `dependencies' table.
3852 ((not (boundp id-dep))
3853 (set id-dep (list header)))
3854 ((null (car (symbol-value id-dep)))
3855 (setcar (symbol-value id-dep) header))
3857 ;; From here the `header' was already present in the
3858 ;; `dependencies' table.
3860 ;; Overrides an existing entry;
3861 ;; just set the header part of the entry.
3862 (setcar (symbol-value id-dep) header)
3865 ;; Renames the existing `header' to a unique Message-ID.
3866 ((not gnus-summary-ignore-duplicates)
3867 ;; An article with this Message-ID has already been seen.
3868 ;; We rename the Message-ID.
3869 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3871 (mail-header-set-id header id))
3873 ;; The last case ignores an existing entry, except it adds any
3874 ;; additional Xrefs (in case the two articles came from different
3876 ;; Also sets `header' to `nil' meaning that the `dependencies'
3877 ;; table was *not* modified.
3879 (mail-header-set-xref
3880 (car (symbol-value id-dep))
3881 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3883 (or (mail-header-xref header) "")))
3886 (when (and header (not replaced))
3887 ;; First check that we are not creating a References loop.
3888 (setq parent-id (gnus-parent-id (mail-header-references header)))
3889 (setq ref parent-id)
3891 (setq ref-dep (intern-soft ref dependencies))
3893 (setq ref-header (car (symbol-value ref-dep))))
3894 (if (string= id ref)
3895 ;; Yuk! This is a reference loop. Make the article be a
3898 (mail-header-set-references (car (symbol-value id-dep)) "none")
3900 (setq parent-id nil))
3901 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3902 (setq ref-dep (intern (or parent-id "none") dependencies))
3903 (if (boundp ref-dep)
3904 (setcdr (symbol-value ref-dep)
3905 (nconc (cdr (symbol-value ref-dep))
3906 (list (symbol-value id-dep))))
3907 (set ref-dep (list nil (symbol-value id-dep)))))
3910 (defun gnus-extract-message-id-from-in-reply-to (string)
3911 (if (string-match "<[^>]+>" string)
3912 (substring string (match-beginning 0) (match-end 0))
3915 (defun gnus-build-sparse-threads ()
3916 (let ((headers gnus-newsgroup-headers)
3917 (mail-parse-charset gnus-newsgroup-charset)
3918 (gnus-summary-ignore-duplicates t)
3919 header references generation relations
3920 subject child end new-child date)
3921 ;; First we create an alist of generations/relations, where
3922 ;; generations is how much we trust the relation, and the relation
3924 (gnus-message 7 "Making sparse threads...")
3926 (nnheader-set-temp-buffer " *gnus sparse threads*")
3927 (while (setq header (pop headers))
3928 (when (and (setq references (mail-header-references header))
3929 (not (string= references "")))
3931 (setq child (mail-header-id header)
3932 subject (mail-header-subject header)
3933 date (mail-header-date header)
3935 (while (search-backward ">" nil t)
3936 (setq end (1+ (point)))
3937 (when (search-backward "<" nil t)
3938 (setq new-child (buffer-substring (point) end))
3939 (push (list (incf generation)
3940 child (setq child new-child)
3944 (push (list (1+ generation) child nil subject) relations))
3946 (kill-buffer (current-buffer)))
3947 ;; Sort over trustworthiness.
3950 (when (gnus-dependencies-add-header
3951 (make-full-mail-header-from-decoded-header
3952 gnus-reffed-article-number
3953 (nth 3 relation) "" (or (nth 4 relation) "")
3955 (or (nth 2 relation) "") 0 0 "")
3956 gnus-newsgroup-dependencies nil)
3957 (push gnus-reffed-article-number gnus-newsgroup-limit)
3958 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3959 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3960 gnus-newsgroup-reads)
3961 (decf gnus-reffed-article-number)))
3962 (sort relations 'car-less-than-car))
3963 (gnus-message 7 "Making sparse threads...done")))
3965 (defun gnus-build-old-threads ()
3966 ;; Look at all the articles that refer back to old articles, and
3967 ;; fetch the headers for the articles that aren't there. This will
3968 ;; build complete threads - if the roots haven't been expired by the
3970 (let ((mail-parse-charset gnus-newsgroup-charset)
3974 (when (not (car (symbol-value refs)))
3975 (setq heads (cdr (symbol-value refs)))
3977 (if (memq (mail-header-number (caar heads))
3978 gnus-newsgroup-dormant)
3979 (setq heads (cdr heads))
3980 (setq id (symbol-name refs))
3981 (while (and (setq id (gnus-build-get-header id))
3982 (not (car (gnus-id-to-thread id)))))
3983 (setq heads nil)))))
3984 gnus-newsgroup-dependencies)))
3986 (defsubst gnus-remove-odd-characters (string)
3987 "Translate STRING into something that doesn't contain weird characters."
3988 (mm-subst-char-in-string
3990 (mm-subst-char-in-string
3993 ;; This function has to be called with point after the article number
3994 ;; on the beginning of the line.
3995 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3996 (let ((eol (gnus-point-at-eol))
3997 (buffer (current-buffer))
3998 header references in-reply-to)
4000 ;; overview: [num subject from date id refs chars lines misc]
4003 (narrow-to-region (point) eol)
4008 (make-full-mail-header
4010 (nnheader-nov-field) ; subject
4011 (nnheader-nov-field) ; from
4012 (nnheader-nov-field) ; date
4013 (nnheader-nov-read-message-id) ; id
4014 (nnheader-nov-field) ; refs
4015 (nnheader-nov-read-integer) ; chars
4016 (nnheader-nov-read-integer) ; lines
4018 (if (looking-at "Xref: ")
4019 (goto-char (match-end 0)))
4020 (nnheader-nov-field)) ; Xref
4021 (nnheader-nov-parse-extra)))) ; extra
4025 (when (and (string= references "")
4026 (setq in-reply-to (mail-header-extra header))
4027 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4028 (mail-header-set-references
4029 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4031 (when gnus-alter-header-function
4032 (funcall gnus-alter-header-function header))
4033 (gnus-dependencies-add-header header dependencies force-new)))
4035 (defun gnus-build-get-header (id)
4036 "Look through the buffer of NOV lines and find the header to ID.
4037 Enter this line into the dependencies hash table, and return
4038 the id of the parent article (if any)."
4039 (let ((deps gnus-newsgroup-dependencies)
4043 (set-buffer nntp-server-buffer)
4044 (let ((case-fold-search nil))
4045 (goto-char (point-min))
4046 (while (and (not found)
4047 (search-forward id nil t))
4049 (setq found (looking-at
4050 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4051 (regexp-quote id))))
4052 (or found (beginning-of-line 2)))
4056 (setq header (gnus-nov-parse-line
4057 (read (current-buffer)) deps))
4058 (gnus-parent-id (mail-header-references header))))))
4060 (let ((number (mail-header-number header)))
4061 (push number gnus-newsgroup-limit)
4062 (push header gnus-newsgroup-headers)
4063 (if (memq number gnus-newsgroup-unselected)
4065 (setq gnus-newsgroup-unreads
4066 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4068 (setq gnus-newsgroup-unselected
4069 (delq number gnus-newsgroup-unselected)))
4070 (push number gnus-newsgroup-ancient)))))))
4072 (defun gnus-build-all-threads ()
4073 "Read all the headers."
4074 (let ((gnus-summary-ignore-duplicates t)
4075 (mail-parse-charset gnus-newsgroup-charset)
4076 (dependencies gnus-newsgroup-dependencies)
4079 (set-buffer nntp-server-buffer)
4080 (let ((case-fold-search nil))
4081 (goto-char (point-min))
4084 (setq article (read (current-buffer))
4085 header (gnus-nov-parse-line article dependencies)))
4088 (set-buffer gnus-summary-buffer)
4089 (push header gnus-newsgroup-headers)
4090 (if (memq (setq article (mail-header-number header))
4091 gnus-newsgroup-unselected)
4093 (setq gnus-newsgroup-unreads
4094 (gnus-add-to-sorted-list
4095 gnus-newsgroup-unreads article))
4096 (setq gnus-newsgroup-unselected
4097 (delq article gnus-newsgroup-unselected)))
4098 (push article gnus-newsgroup-ancient)))
4099 (forward-line 1)))))))
4101 (defun gnus-summary-update-article-line (article header)
4102 "Update the line for ARTICLE using HEADER."
4103 (let* ((id (mail-header-id header))
4104 (thread (gnus-id-to-thread id)))
4106 (error "Article in no thread"))
4107 ;; Update the thread.
4108 (setcar thread header)
4109 (gnus-summary-goto-subject article)
4110 (let* ((datal (gnus-data-find-list article))
4112 (buffer-read-only nil)
4113 (level (gnus-summary-thread-level)))
4115 (let ((inserted (- (point)
4117 (gnus-summary-insert-line
4119 (memq article gnus-newsgroup-undownloaded)
4120 (gnus-article-mark article)
4121 (memq article gnus-newsgroup-replied)
4122 (memq article gnus-newsgroup-expirable)
4123 ;; Only insert the Subject string when it's different
4124 ;; from the previous Subject string.
4129 (mail-header-subject
4132 (gnus-data-find-list
4134 (gnus-data-list t)))))
4135 ;; Error on the side of excessive subjects.
4137 (mail-header-subject header)))
4139 (mail-header-subject header))
4140 nil (cdr (assq article gnus-newsgroup-scored))
4141 (memq article gnus-newsgroup-processable))
4144 (gnus-data-update-list
4146 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4148 (defun gnus-summary-update-article (article &optional iheader)
4149 "Update ARTICLE in the summary buffer."
4150 (set-buffer gnus-summary-buffer)
4151 (let* ((header (gnus-summary-article-header article))
4152 (id (mail-header-id header))
4153 (data (gnus-data-find article))
4154 (thread (gnus-id-to-thread id))
4155 (references (mail-header-references header))
4159 (when (and references
4160 (not (equal "" references)))
4163 (buffer-read-only nil)
4169 (delq thread parent)))
4170 (if (gnus-summary-insert-subject id header)
4171 ;; Set the (possibly) new article number in the data structure.
4172 (gnus-data-set-number data (gnus-id-to-article id))
4176 (defun gnus-rebuild-thread (id &optional line)
4177 "Rebuild the thread containing ID.
4178 If LINE, insert the rebuilt thread starting on line LINE."
4179 (let ((buffer-read-only nil)
4180 old-pos current thread data)
4181 (if (not gnus-show-threads)
4182 (setq thread (list (car (gnus-id-to-thread id))))
4183 ;; Get the thread this article is part of.
4184 (setq thread (gnus-remove-thread id)))
4185 (setq old-pos (gnus-point-at-bol))
4186 (setq current (save-excursion
4187 (and (re-search-backward "[\r\n]" nil t)
4188 (gnus-summary-article-number))))
4189 ;; If this is a gathered thread, we have to go some re-gathering.
4190 (when (stringp (car thread))
4191 (let ((subject (car thread))
4193 (setq thread (cdr thread))
4195 (unless (memq (setq thr (gnus-id-to-thread
4197 (mail-header-id (caar thread)))))
4200 (setq thread (cdr thread)))
4201 ;; We now have all (unique) roots.
4202 (if (= (length roots) 1)
4203 ;; All the loose roots are now one solid root.
4204 (setq thread (car roots))
4205 (setq thread (cons subject (gnus-sort-threads roots))))))
4207 ;; We then insert this thread into the summary buffer.
4209 (goto-char (point-min))
4210 (forward-line (1- line)))
4211 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4212 (if gnus-show-threads
4213 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4214 (gnus-summary-prepare-unthreaded thread))
4215 (setq data (nreverse gnus-newsgroup-data))
4216 (setq threads gnus-newsgroup-threads))
4217 ;; We splice the new data into the data structure.
4218 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4219 ;;!!! then we want to insert at the beginning of the buffer.
4220 ;;!!! That happens to be true with Gnus now, but that may
4221 ;;!!! change in the future. Perhaps.
4222 (gnus-data-enter-list
4223 (if line nil current) data (- (point) old-pos))
4224 (setq gnus-newsgroup-threads
4225 (nconc threads gnus-newsgroup-threads))
4226 (gnus-data-compute-positions))))
4228 (defun gnus-number-to-header (number)
4229 "Return the header for article NUMBER."
4230 (let ((headers gnus-newsgroup-headers))
4232 (not (= number (mail-header-number (car headers)))))
4237 (defun gnus-parent-headers (in-headers &optional generation)
4238 "Return the headers of the GENERATIONeth parent of HEADERS."
4240 (setq generation 1))
4242 (headers in-headers)
4245 (not (zerop generation))
4246 (setq references (mail-header-references headers)))
4247 (setq headers (if (and references
4248 (setq parent (gnus-parent-id references)))
4249 (car (gnus-id-to-thread parent))
4252 (and (not (eq headers in-headers))
4255 (defun gnus-id-to-thread (id)
4256 "Return the (sub-)thread where ID appears."
4257 (gnus-gethash id gnus-newsgroup-dependencies))
4259 (defun gnus-id-to-article (id)
4260 "Return the article number of ID."
4261 (let ((thread (gnus-id-to-thread id)))
4264 (mail-header-number (car thread)))))
4266 (defun gnus-id-to-header (id)
4267 "Return the article headers of ID."
4268 (car (gnus-id-to-thread id)))
4270 (defun gnus-article-displayed-root-p (article)
4271 "Say whether ARTICLE is a root(ish) article."
4272 (let ((level (gnus-summary-thread-level article))
4273 (refs (mail-header-references (gnus-summary-article-header article)))
4279 ((null (gnus-parent-id refs)) t)
4281 (null (setq particle (gnus-id-to-article
4282 (gnus-parent-id refs))))
4283 (null (gnus-summary-thread-level particle)))))))
4285 (defun gnus-root-id (id)
4286 "Return the id of the root of the thread where ID appears."
4288 (while (and id (setq prev (car (gnus-id-to-thread id))))
4290 id (gnus-parent-id (mail-header-references prev))))
4293 (defun gnus-articles-in-thread (thread)
4294 "Return the list of articles in THREAD."
4295 (cons (mail-header-number (car thread))
4296 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4298 (defun gnus-remove-thread (id &optional dont-remove)
4299 "Remove the thread that has ID in it."
4300 (let (headers thread last-id)
4301 ;; First go up in this thread until we find the root.
4302 (setq last-id (gnus-root-id id)
4303 headers (message-flatten-list (gnus-id-to-thread last-id)))
4304 ;; We have now found the real root of this thread. It might have
4305 ;; been gathered into some loose thread, so we have to search
4306 ;; through the threads to find the thread we wanted.
4307 (let ((threads gnus-newsgroup-threads)
4310 (setq sub (car threads))
4311 (if (stringp (car sub))
4312 ;; This is a gathered thread, so we look at the roots
4313 ;; below it to find whether this article is in this
4316 (setq sub (cdr sub))
4318 (when (member (caar sub) headers)
4319 (setq thread (car threads)
4322 (setq sub (cdr sub))))
4323 ;; It's an ordinary thread, so we check it.
4324 (when (eq (car sub) (car headers))
4327 (setq threads (cdr threads)))
4328 ;; If this article is in no thread, then it's a root.
4331 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4332 (setq thread (gnus-id-to-thread last-id)))
4335 thread ; We return this thread.
4337 (if (stringp (car thread))
4339 ;; If we use dummy roots, then we have to remove the
4340 ;; dummy root as well.
4341 (when (eq gnus-summary-make-false-root 'dummy)
4342 ;; We go to the dummy root by going to
4343 ;; the first sub-"thread", and then one line up.
4344 (gnus-summary-goto-article
4345 (mail-header-number (caadr thread)))
4348 (gnus-data-compute-positions))
4349 (setq thread (cdr thread))
4351 (gnus-remove-thread-1 (car thread))
4352 (setq thread (cdr thread))))
4353 (gnus-remove-thread-1 thread))))))))
4355 (defun gnus-remove-thread-1 (thread)
4356 "Remove the thread THREAD recursively."
4357 (let ((number (mail-header-number (pop thread)))
4359 (setq thread (reverse thread))
4361 (gnus-remove-thread-1 (pop thread)))
4362 (when (setq d (gnus-data-find number))
4363 (goto-char (gnus-data-pos d))
4364 (gnus-summary-show-thread)
4367 (- (gnus-point-at-bol)
4369 (1+ (gnus-point-at-eol))
4370 (gnus-delete-line)))))))
4372 (defun gnus-sort-threads-1 (threads func)
4373 (sort (mapcar (lambda (thread)
4376 (gnus-sort-threads-1 (cdr thread) func))))
4379 (defun gnus-sort-threads (threads)
4381 (if (not gnus-thread-sort-functions)
4383 (gnus-message 8 "Sorting threads...")
4384 (let ((max-lisp-eval-depth 5000))
4385 (prog1 (gnus-sort-threads-1
4387 (gnus-make-sort-function gnus-thread-sort-functions))
4388 (gnus-message 8 "Sorting threads...done")))))
4390 (defun gnus-sort-articles (articles)
4392 (when gnus-article-sort-functions
4393 (gnus-message 7 "Sorting articles...")
4395 (setq gnus-newsgroup-headers
4396 (sort articles (gnus-make-sort-function
4397 gnus-article-sort-functions)))
4398 (gnus-message 7 "Sorting articles...done"))))
4400 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4401 (defmacro gnus-thread-header (thread)
4402 "Return header of first article in THREAD.
4403 Note that THREAD must never, ever be anything else than a variable -
4404 using some other form will lead to serious barfage."
4405 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4406 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4407 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4410 (defsubst gnus-article-sort-by-number (h1 h2)
4411 "Sort articles by article number."
4412 (< (mail-header-number h1)
4413 (mail-header-number h2)))
4415 (defun gnus-thread-sort-by-number (h1 h2)
4416 "Sort threads by root article number."
4417 (gnus-article-sort-by-number
4418 (gnus-thread-header h1) (gnus-thread-header h2)))
4420 (defsubst gnus-article-sort-by-random (h1 h2)
4421 "Sort articles by article number."
4424 (defun gnus-thread-sort-by-random (h1 h2)
4425 "Sort threads by root article number."
4426 (gnus-article-sort-by-random
4427 (gnus-thread-header h1) (gnus-thread-header h2)))
4429 (defsubst gnus-article-sort-by-lines (h1 h2)
4430 "Sort articles by article Lines header."
4431 (< (mail-header-lines h1)
4432 (mail-header-lines h2)))
4434 (defun gnus-thread-sort-by-lines (h1 h2)
4435 "Sort threads by root article Lines header."
4436 (gnus-article-sort-by-lines
4437 (gnus-thread-header h1) (gnus-thread-header h2)))
4439 (defsubst gnus-article-sort-by-chars (h1 h2)
4440 "Sort articles by octet length."
4441 (< (mail-header-chars h1)
4442 (mail-header-chars h2)))
4444 (defun gnus-thread-sort-by-chars (h1 h2)
4445 "Sort threads by root article octet length."
4446 (gnus-article-sort-by-chars
4447 (gnus-thread-header h1) (gnus-thread-header h2)))
4449 (defsubst gnus-article-sort-by-author (h1 h2)
4450 "Sort articles by root author."
4452 (let ((addr (car (mime-entity-read-field h1 'From))))
4453 (or (std11-full-name-string addr)
4454 (std11-address-string addr)
4456 (let ((addr (car (mime-entity-read-field h2 'From))))
4457 (or (std11-full-name-string addr)
4458 (std11-address-string addr)
4462 (defun gnus-thread-sort-by-author (h1 h2)
4463 "Sort threads by root author."
4464 (gnus-article-sort-by-author
4465 (gnus-thread-header h1) (gnus-thread-header h2)))
4467 (defsubst gnus-article-sort-by-subject (h1 h2)
4468 "Sort articles by root subject."
4470 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4471 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4473 (defun gnus-thread-sort-by-subject (h1 h2)
4474 "Sort threads by root subject."
4475 (gnus-article-sort-by-subject
4476 (gnus-thread-header h1) (gnus-thread-header h2)))
4478 (defsubst gnus-article-sort-by-date (h1 h2)
4479 "Sort articles by root article date."
4481 (gnus-date-get-time (mail-header-date h1))
4482 (gnus-date-get-time (mail-header-date h2))))
4484 (defun gnus-thread-sort-by-date (h1 h2)
4485 "Sort threads by root article date."
4486 (gnus-article-sort-by-date
4487 (gnus-thread-header h1) (gnus-thread-header h2)))
4489 (defsubst gnus-article-sort-by-score (h1 h2)
4490 "Sort articles by root article score.
4491 Unscored articles will be counted as having a score of zero."
4492 (> (or (cdr (assq (mail-header-number h1)
4493 gnus-newsgroup-scored))
4494 gnus-summary-default-score 0)
4495 (or (cdr (assq (mail-header-number h2)
4496 gnus-newsgroup-scored))
4497 gnus-summary-default-score 0)))
4499 (defun gnus-thread-sort-by-score (h1 h2)
4500 "Sort threads by root article score."
4501 (gnus-article-sort-by-score
4502 (gnus-thread-header h1) (gnus-thread-header h2)))
4504 (defun gnus-thread-sort-by-total-score (h1 h2)
4505 "Sort threads by the sum of all scores in the thread.
4506 Unscored articles will be counted as having a score of zero."
4507 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4509 (defun gnus-thread-total-score (thread)
4510 ;; This function find the total score of THREAD.
4515 (if (stringp (car thread))
4516 (apply gnus-thread-score-function 0
4517 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4518 (gnus-thread-total-score-1 thread)))
4520 (gnus-thread-total-score-1 (list thread)))))
4522 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4523 "Sort threads such that the thread with the most recently arrived article comes first."
4524 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4526 (defun gnus-thread-highest-number (thread)
4527 "Return the highest article number in THREAD."
4528 (apply 'max (mapcar (lambda (header)
4529 (mail-header-number header))
4530 (message-flatten-list thread))))
4532 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4533 "Sort threads such that the thread with the most recently dated article comes first."
4534 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4536 (defun gnus-thread-latest-date (thread)
4537 "Return the highest article date in THREAD."
4538 (let ((previous-time 0))
4544 (time-to-seconds (mail-header-parse-date
4545 (mail-header-date header)))
4546 (error previous-time))))
4548 (message-flatten-list thread)
4550 (< (mail-header-number h1)
4551 (mail-header-number h2))))))))
4553 (defun gnus-thread-total-score-1 (root)
4554 ;; This function find the total score of the thread below ROOT.
4555 (setq root (car root))
4556 (apply gnus-thread-score-function
4558 (mapcar 'gnus-thread-total-score
4559 (cdr (gnus-id-to-thread (mail-header-id root))))
4560 (when (> (mail-header-number root) 0)
4561 (list (or (cdr (assq (mail-header-number root)
4562 gnus-newsgroup-scored))
4563 gnus-summary-default-score 0))))
4564 (list gnus-summary-default-score)
4567 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4568 (defvar gnus-tmp-prev-subject nil)
4569 (defvar gnus-tmp-false-parent nil)
4570 (defvar gnus-tmp-root-expunged nil)
4571 (defvar gnus-tmp-dummy-line nil)
4573 (eval-when-compile (defvar gnus-tmp-header))
4574 (defun gnus-extra-header (type &optional header)
4575 "Return the extra header of TYPE."
4576 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4579 (defvar gnus-tmp-thread-tree-header-string "")
4581 (defcustom gnus-sum-thread-tree-root "> "
4582 "With %B spec, used for the root of a thread.
4583 If nil, use subject instead."
4584 :type '(radio (const :format "%v " nil) (string :size 0))
4585 :group 'gnus-thread)
4586 (defcustom gnus-sum-thread-tree-false-root "> "
4587 "With %B spec, used for a false root of a thread.
4588 If nil, use subject instead."
4589 :type '(radio (const :format "%v " nil) (string :size 0))
4590 :group 'gnus-thread)
4591 (defcustom gnus-sum-thread-tree-single-indent ""
4592 "With %B spec, used for a thread with just one message.
4593 If nil, use subject instead."
4594 :type '(radio (const :format "%v " nil) (string :size 0))
4595 :group 'gnus-thread)
4596 (defcustom gnus-sum-thread-tree-vertical "| "
4597 "With %B spec, used for drawing a vertical line."
4599 :group 'gnus-thread)
4600 (defcustom gnus-sum-thread-tree-indent " "
4601 "With %B spec, used for indenting."
4603 :group 'gnus-thread)
4604 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4605 "With %B spec, used for a leaf with brothers."
4607 :group 'gnus-thread)
4608 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4609 "With %B spec, used for a leaf without brothers."
4611 :group 'gnus-thread)
4613 (defun gnus-summary-prepare-threads (threads)
4614 "Prepare summary buffer from THREADS and indentation LEVEL.
4615 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4616 or a straight list of headers."
4617 (gnus-message 7 "Generating summary...")
4619 (setq gnus-newsgroup-threads threads)
4622 (let ((gnus-tmp-level 0)
4623 (default-score (or gnus-summary-default-score 0))
4624 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4625 (building-line-count gnus-summary-display-while-building)
4626 (building-count (integerp gnus-summary-display-while-building))
4627 thread number subject stack state gnus-tmp-gathered beg-match
4628 new-roots gnus-tmp-new-adopts thread-end simp-subject
4629 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4630 gnus-tmp-replied gnus-tmp-subject-or-nil
4631 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4632 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4633 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4636 (setq gnus-tmp-prev-subject nil
4637 gnus-tmp-thread-tree-header-string "")
4639 (if (vectorp (car threads))
4640 ;; If this is a straight (sic) list of headers, then a
4641 ;; threaded summary display isn't required, so we just create
4642 ;; an unthreaded one.
4643 (gnus-summary-prepare-unthreaded threads)
4645 ;; Do the threaded display.
4647 (if gnus-summary-display-while-building
4648 (switch-to-buffer (buffer-name)))
4649 (while (or threads stack gnus-tmp-new-adopts new-roots)
4651 (if (and (= gnus-tmp-level 0)
4654 (not gnus-tmp-false-parent)
4655 (or gnus-tmp-new-adopts new-roots))
4656 (if gnus-tmp-new-adopts
4657 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4658 thread (list (car gnus-tmp-new-adopts))
4659 gnus-tmp-header (caar thread)
4660 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4662 (setq thread (list (car new-roots))
4663 gnus-tmp-header (caar thread)
4664 new-roots (cdr new-roots))))
4667 ;; If there are some threads, we do them before the
4668 ;; threads on the stack.
4669 (setq thread threads
4670 gnus-tmp-header (caar thread))
4671 ;; There were no current threads, so we pop something off
4673 (setq state (car stack)
4674 gnus-tmp-level (car state)
4675 tree-stack (cadr state)
4676 thread (caddr state)
4678 gnus-tmp-header (caar thread))))
4680 (setq gnus-tmp-false-parent nil)
4681 (setq gnus-tmp-root-expunged nil)
4682 (setq thread-end nil)
4684 (if (stringp gnus-tmp-header)
4685 ;; The header is a dummy root.
4687 ((eq gnus-summary-make-false-root 'adopt)
4688 ;; We let the first article adopt the rest.
4689 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4691 (setq gnus-tmp-gathered
4693 (lambda (h) (mail-header-number (car h)))
4696 (setq thread (cons (list (caar thread)
4699 (setq gnus-tmp-level -1
4700 gnus-tmp-false-parent t))
4701 ((eq gnus-summary-make-false-root 'empty)
4702 ;; We print adopted articles with empty subject fields.
4703 (setq gnus-tmp-gathered
4705 (lambda (h) (mail-header-number (car h)))
4708 (setq gnus-tmp-level -1))
4709 ((eq gnus-summary-make-false-root 'dummy)
4710 ;; We remember that we probably want to output a dummy
4712 (setq gnus-tmp-dummy-line gnus-tmp-header)
4713 (setq gnus-tmp-prev-subject gnus-tmp-header))
4715 ;; We do not make a root for the gathered
4716 ;; sub-threads at all.
4717 (setq gnus-tmp-level -1)))
4719 (setq number (mail-header-number gnus-tmp-header)
4720 subject (mail-header-subject gnus-tmp-header)
4721 simp-subject (gnus-simplify-subject-fully subject))
4724 ;; If the thread has changed subject, we might want to make
4725 ;; this subthread into a root.
4726 ((and (null gnus-thread-ignore-subject)
4727 (not (zerop gnus-tmp-level))
4728 gnus-tmp-prev-subject
4729 (not (string= gnus-tmp-prev-subject simp-subject)))
4730 (setq new-roots (nconc new-roots (list (car thread)))
4732 gnus-tmp-header nil))
4733 ;; If the article lies outside the current limit,
4734 ;; then we do not display it.
4735 ((not (memq number gnus-newsgroup-limit))
4736 (setq gnus-tmp-gathered
4738 (lambda (h) (mail-header-number (car h)))
4741 (setq gnus-tmp-new-adopts (if (cdar thread)
4742 (append gnus-tmp-new-adopts
4744 gnus-tmp-new-adopts)
4746 gnus-tmp-header nil)
4747 (when (zerop gnus-tmp-level)
4748 (setq gnus-tmp-root-expunged t)))
4749 ;; Perhaps this article is to be marked as read?
4750 ((and gnus-summary-mark-below
4751 (< (or (cdr (assq number gnus-newsgroup-scored))
4753 gnus-summary-mark-below)
4754 ;; Don't touch sparse articles.
4755 (not (gnus-summary-article-sparse-p number))
4756 (not (gnus-summary-article-ancient-p number)))
4757 (setq gnus-newsgroup-unreads
4758 (delq number gnus-newsgroup-unreads))
4759 (if gnus-newsgroup-auto-expire
4760 (setq gnus-newsgroup-expirable
4761 (gnus-add-to-sorted-list
4762 gnus-newsgroup-expirable number))
4763 (push (cons number gnus-low-score-mark)
4764 gnus-newsgroup-reads))))
4766 (when gnus-tmp-header
4767 ;; We may have an old dummy line to output before this
4769 (when (and gnus-tmp-dummy-line
4772 (mail-header-subject gnus-tmp-header)))
4773 (gnus-summary-insert-dummy-line
4774 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4775 (setq gnus-tmp-dummy-line nil))
4777 ;; Compute the mark.
4778 (setq gnus-tmp-unread (gnus-article-mark number))
4780 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4781 gnus-tmp-header gnus-tmp-level)
4782 gnus-newsgroup-data)
4784 ;; Actually insert the line.
4786 gnus-tmp-subject-or-nil
4788 ((and gnus-thread-ignore-subject
4789 gnus-tmp-prev-subject
4790 (not (string= gnus-tmp-prev-subject simp-subject)))
4792 ((zerop gnus-tmp-level)
4793 (if (and (eq gnus-summary-make-false-root 'empty)
4794 (memq number gnus-tmp-gathered)
4795 gnus-tmp-prev-subject
4796 (string= gnus-tmp-prev-subject simp-subject))
4797 gnus-summary-same-subject
4799 (t gnus-summary-same-subject)))
4800 (if (and (eq gnus-summary-make-false-root 'adopt)
4801 (= gnus-tmp-level 1)
4802 (memq number gnus-tmp-gathered))
4803 (setq gnus-tmp-opening-bracket ?\<
4804 gnus-tmp-closing-bracket ?\>)
4805 (setq gnus-tmp-opening-bracket ?\[
4806 gnus-tmp-closing-bracket ?\]))
4808 gnus-tmp-indentation
4809 (aref gnus-thread-indent-array gnus-tmp-level)
4810 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4811 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4812 gnus-summary-default-score 0)
4814 (if (or (null gnus-summary-default-score)
4815 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4816 gnus-summary-zcore-fuzz))
4818 (if (< gnus-tmp-score gnus-summary-default-score)
4819 gnus-score-below-mark gnus-score-over-mark))
4821 (cond ((memq number gnus-newsgroup-processable)
4823 ((memq number gnus-newsgroup-cached)
4825 ((memq number gnus-newsgroup-replied)
4827 ((memq number gnus-newsgroup-forwarded)
4828 gnus-forwarded-mark)
4829 ((memq number gnus-newsgroup-saved)
4831 ((memq number gnus-newsgroup-recent)
4833 ((memq number gnus-newsgroup-unseen)
4837 (cond ((memq number gnus-newsgroup-undownloaded)
4838 gnus-undownloaded-mark)
4839 (gnus-newsgroup-agentized
4840 gnus-downloaded-mark)
4843 gnus-tmp-from (mail-header-from gnus-tmp-header)
4846 ((string-match "<[^>]+> *$" gnus-tmp-from)
4847 (setq beg-match (match-beginning 0))
4848 (or (and (string-match "^\".+\"" gnus-tmp-from)
4849 (substring gnus-tmp-from 1 (1- (match-end 0))))
4850 (substring gnus-tmp-from 0 beg-match)))
4851 ((string-match "(.+)" gnus-tmp-from)
4852 (substring gnus-tmp-from
4853 (1+ (match-beginning 0)) (1- (match-end 0))))
4857 gnus-tmp-thread-tree-header-string
4859 ((not gnus-show-threads) "")
4860 ((zerop gnus-tmp-level)
4861 (cond ((cdar thread)
4862 (or gnus-sum-thread-tree-root subject))
4863 (gnus-tmp-new-adopts
4864 (or gnus-sum-thread-tree-false-root subject))
4866 (or gnus-sum-thread-tree-single-indent subject))))
4868 (concat (apply 'concat
4869 (mapcar (lambda (item)
4871 gnus-sum-thread-tree-vertical
4872 gnus-sum-thread-tree-indent))
4873 (cdr (reverse tree-stack))))
4875 gnus-sum-thread-tree-leaf-with-other
4876 gnus-sum-thread-tree-single-leaf)))))
4877 (when (string= gnus-tmp-name "")
4878 (setq gnus-tmp-name gnus-tmp-from))
4879 (unless (numberp gnus-tmp-lines)
4880 (setq gnus-tmp-lines -1))
4881 (if (= gnus-tmp-lines -1)
4882 (setq gnus-tmp-lines "?")
4883 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4884 (gnus-put-text-property
4886 (progn (eval gnus-summary-line-format-spec) (point))
4887 'gnus-number number)
4890 (gnus-run-hooks 'gnus-summary-update-hook)
4893 (setq gnus-tmp-prev-subject simp-subject)))
4895 (when (nth 1 thread)
4896 (push (list (max 0 gnus-tmp-level)
4897 (copy-sequence tree-stack)
4900 (push (if (nth 1 thread) 1 0) tree-stack)
4901 (incf gnus-tmp-level)
4902 (setq threads (if thread-end nil (cdar thread)))
4903 (if gnus-summary-display-while-building
4906 ;; use a set frequency
4907 (setq building-line-count (1- building-line-count))
4908 (when (= building-line-count 0)
4910 (setq building-line-count
4911 gnus-summary-display-while-building)))
4915 (setq gnus-tmp-level 0)))))
4916 (gnus-message 7 "Generating summary...done"))
4918 (defun gnus-summary-prepare-unthreaded (headers)
4919 "Generate an unthreaded summary buffer based on HEADERS."
4920 (let (header number mark)
4925 ;; We may have to root out some bad articles...
4926 (when (memq (setq number (mail-header-number
4927 (setq header (pop headers))))
4928 gnus-newsgroup-limit)
4929 ;; Mark article as read when it has a low score.
4930 (when (and gnus-summary-mark-below
4931 (< (or (cdr (assq number gnus-newsgroup-scored))
4932 gnus-summary-default-score 0)
4933 gnus-summary-mark-below)
4934 (not (gnus-summary-article-ancient-p number)))
4935 (setq gnus-newsgroup-unreads
4936 (delq number gnus-newsgroup-unreads))
4937 (if gnus-newsgroup-auto-expire
4938 (push number gnus-newsgroup-expirable)
4939 (push (cons number gnus-low-score-mark)
4940 gnus-newsgroup-reads)))
4942 (setq mark (gnus-article-mark number))
4943 (push (gnus-data-make number mark (1+ (point)) header 0)
4944 gnus-newsgroup-data)
4945 (gnus-summary-insert-line
4947 (memq number gnus-newsgroup-undownloaded)
4948 mark (memq number gnus-newsgroup-replied)
4949 (memq number gnus-newsgroup-expirable)
4950 (mail-header-subject header) nil
4951 (cdr (assq number gnus-newsgroup-scored))
4952 (memq number gnus-newsgroup-processable))))))
4954 (defun gnus-summary-remove-list-identifiers ()
4955 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4956 (let ((regexp (if (consp gnus-list-identifiers)
4957 (mapconcat 'identity gnus-list-identifiers " *\\|")
4958 gnus-list-identifiers))
4961 (dolist (header gnus-newsgroup-headers)
4962 (setq subject (mail-header-subject header)
4964 (while (string-match
4965 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4968 (concat (substring subject 0 (match-beginning 2))
4969 (substring subject (match-end 0)))
4973 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4975 (concat (substring subject 0 (match-beginning 1))
4976 (substring subject (match-end 1)))))
4978 (mail-header-set-subject header subject))))))
4980 (defun gnus-fetch-headers (articles)
4981 "Fetch headers of ARTICLES."
4982 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4983 (gnus-message 5 "Fetching headers for %s..." name)
4986 (setq gnus-headers-retrieved-by
4987 (gnus-retrieve-headers
4988 articles gnus-newsgroup-name
4989 ;; We might want to fetch old headers, but
4990 ;; not if there is only 1 article.
4992 (not (eq gnus-fetch-old-headers 'some))
4993 (not (numberp gnus-fetch-old-headers)))
4994 (> (length articles) 1))
4995 gnus-fetch-old-headers))))
4996 (gnus-get-newsgroup-headers-xover
4997 articles nil nil gnus-newsgroup-name t)
4998 (gnus-get-newsgroup-headers))
4999 (gnus-message 5 "Fetching headers for %s...done" name))))
5001 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5002 "Select newsgroup GROUP.
5003 If READ-ALL is non-nil, all articles in the group are selected.
5004 If SELECT-ARTICLES, only select those articles from GROUP."
5005 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5006 ;;!!! Dirty hack; should be removed.
5007 (gnus-summary-ignore-duplicates
5008 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5010 gnus-summary-ignore-duplicates))
5011 (info (nth 2 entry))
5012 articles fetched-articles cached)
5014 (unless (gnus-check-server
5015 (set (make-local-variable 'gnus-current-select-method)
5016 (gnus-find-method-for-group group)))
5017 (error "Couldn't open server"))
5019 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5020 (gnus-activate-group group) ; Or we can activate it...
5021 (progn ; Or we bug out.
5022 (when (equal major-mode 'gnus-summary-mode)
5023 (gnus-kill-buffer (current-buffer)))
5024 (error "Couldn't activate group %s: %s"
5025 group (gnus-status-message group))))
5027 (unless (gnus-request-group group t)
5028 (when (equal major-mode 'gnus-summary-mode)
5029 (gnus-kill-buffer (current-buffer)))
5030 (error "Couldn't request group %s: %s"
5031 group (gnus-status-message group)))
5034 ;; The agent may be storing articles that are no longer in the
5035 ;; server's active range. If that is the case, the active range
5036 ;; needs to be expanded such that the agent's articles can be
5037 ;; included in the summary.
5038 (let* ((gnus-command-method (gnus-find-method-for-group group))
5039 (alist (gnus-agent-load-alist group))
5040 (active (gnus-active group)))
5041 (if (and (car alist)
5042 (< (caar alist) (car active)))
5043 (gnus-set-active group (cons (caar alist) (cdr active)))))
5045 (setq gnus-summary-use-undownloaded-faces
5046 (not (gnus-agent-find-parameter
5048 'agent-disable-undownloaded-faces))))
5050 (setq gnus-newsgroup-name group
5051 gnus-newsgroup-unselected nil
5052 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5054 (let ((display (gnus-group-find-parameter group 'display)))
5055 (setq gnus-newsgroup-display
5057 ((not (zerop (or (car-safe read-all) 0)))
5058 ;; The user entered the group with C-u SPC/RET, let's show
5064 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5066 ;; The following is probably the "correct" solution, but
5067 ;; it makes Gnus fetch all headers and then limit the
5068 ;; articles (which is slow), so instead we hack the
5069 ;; select-articles parameter instead. -- Simon Josefsson
5072 ;; (gnus-byte-compile
5073 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5075 (setq select-articles
5076 (gnus-uncompress-range
5077 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5081 (cdr (gnus-active group)))))
5086 (gnus-summary-setup-default-charset)
5088 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5089 (when (gnus-virtual-group-p group)
5090 (setq cached gnus-newsgroup-cached))
5092 (setq gnus-newsgroup-unreads
5093 (gnus-sorted-ndifference
5094 (gnus-sorted-ndifference gnus-newsgroup-unreads
5095 gnus-newsgroup-marked)
5096 gnus-newsgroup-dormant))
5098 (setq gnus-newsgroup-processable nil)
5100 (gnus-update-read-articles group gnus-newsgroup-unreads)
5102 ;; Adjust and set lists of article marks.
5104 (gnus-adjust-marked-articles info))
5105 (if (setq articles select-articles)
5106 (setq gnus-newsgroup-unselected
5107 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5108 (setq articles (gnus-articles-to-read group read-all)))
5112 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5114 ((eq articles 0) nil)
5116 ;; Init the dependencies hash table.
5117 (setq gnus-newsgroup-dependencies
5118 (gnus-make-hashtable (length articles)))
5119 (gnus-set-global-variables)
5120 ;; Retrieve the headers and read them in.
5122 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5124 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5126 (setq gnus-newsgroup-cached cached))
5128 ;; Suppress duplicates?
5129 (when gnus-suppress-duplicates
5130 (gnus-dup-suppress-articles))
5132 ;; Set the initial limit.
5133 (setq gnus-newsgroup-limit (copy-sequence articles))
5134 ;; Remove canceled articles from the list of unread articles.
5135 (setq fetched-articles
5136 (mapcar (lambda (headers) (mail-header-number headers))
5137 gnus-newsgroup-headers))
5138 (setq gnus-newsgroup-articles fetched-articles)
5139 (setq gnus-newsgroup-unreads
5140 (gnus-sorted-nintersection
5141 gnus-newsgroup-unreads fetched-articles))
5142 (gnus-compute-unseen-list)
5144 ;; Removed marked articles that do not exist.
5145 (gnus-update-missing-marks
5146 (gnus-sorted-difference articles fetched-articles))
5147 ;; We might want to build some more threads first.
5148 (when (and gnus-fetch-old-headers
5149 (eq gnus-headers-retrieved-by 'nov))
5150 (if (eq gnus-fetch-old-headers 'invisible)
5151 (gnus-build-all-threads)
5152 (gnus-build-old-threads)))
5153 ;; Let the Gnus agent mark articles as read.
5155 (gnus-agent-get-undownloaded-list))
5156 ;; Remove list identifiers from subject
5157 (when gnus-list-identifiers
5158 (gnus-summary-remove-list-identifiers))
5159 ;; Check whether auto-expire is to be done in this group.
5160 (setq gnus-newsgroup-auto-expire
5161 (gnus-group-auto-expirable-p group))
5162 ;; Set up the article buffer now, if necessary.
5163 (unless gnus-single-article-buffer
5164 (gnus-article-setup-buffer))
5165 ;; First and last article in this newsgroup.
5166 (when gnus-newsgroup-headers
5167 (setq gnus-newsgroup-begin
5168 (mail-header-number (car gnus-newsgroup-headers))
5171 (gnus-last-element gnus-newsgroup-headers))))
5172 ;; GROUP is successfully selected.
5173 (or gnus-newsgroup-headers t)))))
5175 (defun gnus-compute-unseen-list ()
5176 ;; The `seen' marks are treated specially.
5177 (if (not gnus-newsgroup-seen)
5178 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5179 (setq gnus-newsgroup-unseen
5180 (gnus-inverse-list-range-intersection
5181 gnus-newsgroup-articles gnus-newsgroup-seen))))
5183 (defun gnus-summary-display-make-predicate (display)
5184 (require 'gnus-agent)
5185 (when (= (length display) 1)
5186 (setq display (car display)))
5187 (unless gnus-summary-display-cache
5188 (dolist (elem (append '((unread . unread)
5191 gnus-article-mark-lists))
5192 (push (cons (cdr elem)
5194 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5195 gnus-summary-display-cache)))
5196 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5197 (gnus-category-predicate-cache gnus-summary-display-cache))
5198 (gnus-get-predicate display)))
5200 ;; Uses the dynamically bound `number' variable.
5203 (defun gnus-article-marked-p (type &optional article)
5204 (let ((article (or article number)))
5207 (memq article gnus-newsgroup-marked))
5209 (memq article gnus-newsgroup-spam-marked))
5211 (memq article gnus-newsgroup-unsendable))
5212 ((eq type 'undownload)
5213 (memq article gnus-newsgroup-undownloaded))
5214 ((eq type 'download)
5215 (memq article gnus-newsgroup-downloadable))
5217 (memq article gnus-newsgroup-unreads))
5219 (memq article gnus-newsgroup-reads))
5221 (memq article gnus-newsgroup-dormant) )
5223 (memq article gnus-newsgroup-expirable))
5225 (memq article gnus-newsgroup-replied))
5227 (memq article gnus-newsgroup-killed))
5228 ((eq type 'bookmark)
5229 (assq article gnus-newsgroup-bookmarks))
5231 (assq article gnus-newsgroup-scored))
5233 (memq article gnus-newsgroup-saved))
5235 (memq article gnus-newsgroup-cached))
5237 (memq article gnus-newsgroup-forwarded))
5239 (not (memq article gnus-newsgroup-unseen)))
5241 (memq article gnus-newsgroup-recent))
5244 (defun gnus-articles-to-read (group &optional read-all)
5245 "Find out what articles the user wants to read."
5246 (let* ((display (gnus-group-find-parameter group 'display))
5248 ;; Select all articles if `read-all' is non-nil, or if there
5249 ;; are no unread articles.
5251 (and (zerop (length gnus-newsgroup-marked))
5252 (zerop (length gnus-newsgroup-unreads)))
5253 ;; Fetch all if the predicate is non-nil.
5254 gnus-newsgroup-display)
5255 ;; We want to select the headers for all the articles in
5256 ;; the group, so we select either all the active
5257 ;; articles in the group, or (if that's nil), the
5258 ;; articles in the cache.
5260 (gnus-uncompress-range (gnus-active group))
5261 (gnus-cache-articles-in-group group))
5262 ;; Select only the "normal" subset of articles.
5264 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5265 gnus-newsgroup-unreads)))
5266 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5267 (scored (length scored-list))
5268 (number (length articles))
5269 (marked (+ (length gnus-newsgroup-marked)
5270 (length gnus-newsgroup-dormant)))
5275 ((numberp gnus-newsgroup-display)
5276 gnus-newsgroup-display)
5280 ((and (or (<= scored marked) (= scored number))
5281 (numberp gnus-large-newsgroup)
5282 (> number gnus-large-newsgroup))
5283 (let* ((cursor-in-echo-area nil)
5284 (initial (gnus-parameter-large-newsgroup-initial
5285 gnus-newsgroup-name))
5289 "How many articles from %s (%s %d): "
5291 (gnus-group-decoded-name gnus-newsgroup-name)
5293 (if initial "max" "default")
5296 (cons (number-to-string initial)
5298 (if (string-match "^[ \t]*$" input) number input)))
5299 ((and (> scored marked) (< scored number)
5300 (> (- scored number) 20))
5303 (format "%s %s (%d scored, %d total): "
5304 "How many articles from"
5305 (gnus-group-decoded-name group)
5307 (if (string-match "^[ \t]*$" input)
5311 (message "Quit getting the articles to read")
5313 (setq select (if (stringp select) (string-to-number select) select))
5314 (if (or (null select) (zerop select))
5316 (if (and (not (zerop scored)) (<= (abs select) scored))
5318 (setq articles (sort scored-list '<))
5319 (setq number (length articles)))
5320 (setq articles (copy-sequence articles)))
5322 (when (< (abs select) number)
5324 ;; Select the N oldest articles.
5325 (setcdr (nthcdr (1- (abs select)) articles) nil)
5326 ;; Select the N most recent articles.
5327 (setq articles (nthcdr (- number select) articles))))
5328 (setq gnus-newsgroup-unselected
5329 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5330 (when gnus-alter-articles-to-read-function
5333 (funcall gnus-alter-articles-to-read-function
5334 gnus-newsgroup-name articles)
5338 (defun gnus-killed-articles (killed articles)
5341 (when (inline (gnus-member-of-range (car articles) killed))
5342 (push (car articles) out))
5343 (setq articles (cdr articles)))
5346 (defun gnus-uncompress-marks (marks)
5347 "Uncompress the mark ranges in MARKS."
5348 (let ((uncompressed '(score bookmark))
5351 (if (memq (caar marks) uncompressed)
5352 (push (car marks) out)
5353 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5354 (setq marks (cdr marks)))
5357 (defun gnus-article-mark-to-type (mark)
5358 "Return the type of MARK."
5359 (or (cadr (assq mark gnus-article-special-mark-lists))
5362 (defun gnus-article-unpropagatable-p (mark)
5363 "Return whether MARK should be propagated to back end."
5364 (memq mark gnus-article-unpropagated-mark-lists))
5366 (defun gnus-adjust-marked-articles (info)
5367 "Set all article lists and remove all marks that are no longer valid."
5368 (let* ((marked-lists (gnus-info-marks info))
5369 (active (gnus-active (gnus-info-group info)))
5372 (types gnus-article-mark-lists)
5373 marks var articles article mark mark-type)
5375 (dolist (marks marked-lists)
5376 (setq mark (car marks)
5377 mark-type (gnus-article-mark-to-type mark)
5378 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5380 ;; We set the variable according to the type of the marks list,
5381 ;; and then adjust the marks to a subset of the active articles.
5383 ;; Adjust "simple" lists.
5384 ((eq mark-type 'list)
5385 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5386 (when (memq mark '(tick dormant expire reply save))
5388 (when (or (< (setq article (pop articles)) min) (> article max))
5389 (set var (delq article (symbol-value var)))))))
5391 ((eq mark-type 'tuple)
5392 (set var (setq articles (cdr marks)))
5393 (when (not (listp (cdr (symbol-value var))))
5394 (set var (list (symbol-value var))))
5395 (when (not (listp (cdr articles)))
5396 (setq articles (list articles)))
5398 (when (or (not (consp (setq article (pop articles))))
5399 (< (car article) min)
5400 (> (car article) max))
5401 (set var (delq article (symbol-value var))))))
5402 ;; Adjust ranges (sloppily).
5403 ((eq mark-type 'range)
5406 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5407 ;; It should be (seen (NUM1 . NUM2)).
5408 (when (numberp (cddr marks))
5409 (setcdr marks (list (cdr marks))))
5410 (setq articles (cdr marks))
5411 (while (and articles
5412 (or (and (consp (car articles))
5413 (> min (cdar articles)))
5414 (and (numberp (car articles))
5415 (> min (car articles)))))
5417 (set var articles))))))))
5419 (defun gnus-update-missing-marks (missing)
5420 "Go through the list of MISSING articles and remove them from the mark lists."
5423 ;; Go through all types.
5424 (dolist (elem gnus-article-mark-lists)
5425 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5426 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5427 (when (symbol-value var)
5428 ;; This list has articles. So we delete all missing
5429 ;; articles from it.
5432 (set var (delq (pop m) (symbol-value var))))))))))
5434 (defun gnus-update-marks ()
5435 "Enter the various lists of marked articles into the newsgroup info list."
5436 (let ((types gnus-article-mark-lists)
5437 (info (gnus-get-info gnus-newsgroup-name))
5438 type list newmarked symbol delta-marks)
5440 ;; Add all marks lists to the list of marks lists.
5441 (while (setq type (pop types))
5442 (setq list (symbol-value
5444 (intern (format "gnus-newsgroup-%s" (car type))))))
5447 ;; Get rid of the entries of the articles that have the
5449 (when (and (eq (cdr type) 'score)
5453 (prev (cons nil list))
5456 (if (or (not (consp (car arts)))
5457 (= (cdar arts) gnus-summary-default-score))
5458 (setcdr prev (cdr arts))
5460 (setq arts (cdr arts)))
5461 (setq list (cdr all)))))
5463 (when (eq (cdr type) 'seen)
5464 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5466 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5467 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5469 (when (and (gnus-check-backend-function
5470 'request-set-mark gnus-newsgroup-name)
5471 (not (gnus-article-unpropagatable-p (cdr type))))
5472 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5473 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5474 (add (gnus-remove-from-range
5475 (gnus-copy-sequence list) old)))
5477 (push (list add 'add (list (cdr type))) delta-marks))
5479 (push (list del 'del (list (cdr type))) delta-marks))))
5482 (push (cons (cdr type) list) newmarked)))
5485 (unless (gnus-check-group gnus-newsgroup-name)
5486 (error "Can't open server for %s" gnus-newsgroup-name))
5487 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5489 ;; Enter these new marks into the info of the group.
5491 (setcar (nthcdr 3 info) newmarked)
5492 ;; Add the marks lists to the end of the info.
5494 (setcdr (nthcdr 2 info) (list newmarked))))
5496 ;; Cut off the end of the info if there's nothing else there.
5500 (when (nthcdr (decf i) info)
5501 (setcdr (nthcdr i info) nil)))))))
5503 (defun gnus-set-mode-line (where)
5504 "Set the mode line of the article or summary buffers.
5505 If WHERE is `summary', the summary mode line format will be used."
5506 ;; Is this mode line one we keep updated?
5507 (when (and (memq where gnus-updated-mode-lines)
5509 (intern (format "gnus-%s-mode-line-format-spec" where))))
5512 ;; We evaluate this in the summary buffer since these
5513 ;; variables are buffer-local to that buffer.
5514 (set-buffer gnus-summary-buffer)
5515 ;; We bind all these variables that are used in the `eval' form
5517 (let* ((mformat (symbol-value
5519 (format "gnus-%s-mode-line-format-spec" where))))
5520 (gnus-tmp-group-name (gnus-group-decoded-name
5521 gnus-newsgroup-name))
5522 (gnus-tmp-article-number (or gnus-current-article 0))
5523 (gnus-tmp-unread gnus-newsgroup-unreads)
5524 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5525 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5526 (gnus-tmp-unread-and-unselected
5527 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5528 (zerop gnus-tmp-unselected))
5530 ((zerop gnus-tmp-unselected)
5531 (format "{%d more}" gnus-tmp-unread-and-unticked))
5532 (t (format "{%d(+%d) more}"
5533 gnus-tmp-unread-and-unticked
5534 gnus-tmp-unselected))))
5536 (if (and gnus-current-headers
5537 (vectorp gnus-current-headers))
5538 (gnus-mode-string-quote
5539 (mail-header-subject gnus-current-headers))
5541 bufname-length max-len
5542 gnus-tmp-header);; passed as argument to any user-format-funcs
5543 (setq mode-string (eval mformat))
5544 (setq bufname-length (if (string-match "%b" mode-string)
5547 (if (eq where 'summary)
5549 (get-buffer gnus-article-buffer))))
5552 (setq max-len (max 4 (if gnus-mode-non-string-length
5554 gnus-mode-non-string-length
5556 (length mode-string))))
5557 ;; We might have to chop a bit of the string off...
5558 (when (> (length mode-string) max-len)
5560 (concat (gnus-truncate-string mode-string (- max-len 3))
5562 ;; Pad the mode string a bit.
5563 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5564 ;; Update the mode line.
5565 (setq mode-line-buffer-identification
5566 (gnus-mode-line-buffer-identification (list mode-string)))
5567 (set-buffer-modified-p t))))
5569 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5570 "Go through the HEADERS list and add all Xrefs to a hash table.
5571 The resulting hash table is returned, or nil if no Xrefs were found."
5572 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5573 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5574 (xref-hashtb (gnus-make-hashtable))
5575 start group entry number xrefs header)
5577 (setq header (pop headers))
5578 (when (and (setq xrefs (mail-header-xref header))
5579 (not (memq (setq number (mail-header-number header))
5582 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5583 (setq start (match-end 0))
5584 (setq group (if prefix
5585 (concat prefix (substring xrefs (match-beginning 1)
5587 (substring xrefs (match-beginning 1) (match-end 1))))
5589 (string-to-int (substring xrefs (match-beginning 2)
5591 (if (setq entry (gnus-gethash group xref-hashtb))
5592 (setcdr entry (cons number (cdr entry)))
5593 (gnus-sethash group (cons number nil) xref-hashtb)))))
5594 (and start xref-hashtb)))
5596 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5597 "Look through all the headers and mark the Xrefs as read."
5598 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5599 name entry info xref-hashtb idlist method nth4)
5601 (set-buffer gnus-group-buffer)
5602 (when (setq xref-hashtb
5603 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5606 (unless (string= from-newsgroup (setq name (symbol-name group)))
5607 (setq idlist (symbol-value group))
5608 ;; Dead groups are not updated.
5610 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5612 (when (stringp (setq nth4 (gnus-info-method info)))
5613 (setq nth4 (gnus-server-to-method nth4))))
5614 ;; Only do the xrefs if the group has the same
5615 ;; select method as the group we have just read.
5616 (or (gnus-methods-equal-p
5617 nth4 (gnus-find-method-for-group from-newsgroup))
5619 (equal nth4 (setq method (gnus-find-method-for-group
5621 (and (equal (car nth4) (car method))
5622 (equal (nth 1 nth4) (nth 1 method))))
5623 gnus-use-cross-reference
5624 (or (not (eq gnus-use-cross-reference t))
5626 ;; Only do cross-references on subscribed
5627 ;; groups, if that is what is wanted.
5628 (<= (gnus-info-level info) gnus-level-subscribed))
5629 (gnus-group-make-articles-read name idlist))))
5632 (defun gnus-compute-read-articles (group articles)
5633 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5634 (info (nth 2 entry))
5635 (active (gnus-active group))
5638 ;; First peel off all invalid article numbers.
5640 (let ((ids articles)
5642 (while (setq id (pop ids))
5643 (when (and first (> id (cdr active)))
5644 ;; We'll end up in this situation in one particular
5645 ;; obscure situation. If you re-scan a group and get
5646 ;; a new article that is cross-posted to a different
5647 ;; group that has not been re-scanned, you might get
5648 ;; crossposted article that has a higher number than
5649 ;; Gnus believes possible. So we re-activate this
5650 ;; group as well. This might mean doing the
5651 ;; crossposting thingy will *increase* the number
5652 ;; of articles in some groups. Tsk, tsk.
5653 (setq active (or (gnus-activate-group group) active)))
5654 (when (or (> id (cdr active))
5655 (< id (car active)))
5656 (setq articles (delq id articles))))))
5657 ;; If the read list is nil, we init it.
5659 (null (gnus-info-read info))
5661 (setq ninfo (cons 1 (1- (car active))))
5662 (setq ninfo (gnus-info-read info)))
5663 ;; Then we add the read articles to the range.
5665 ninfo (setq articles (sort articles '<))))))
5667 (defun gnus-group-make-articles-read (group articles)
5668 "Update the info of GROUP to say that ARTICLES are read."
5670 (entry (gnus-gethash group gnus-newsrc-hashtb))
5671 (info (nth 2 entry))
5672 (active (gnus-active group))
5675 (setq range (gnus-compute-read-articles group articles))
5677 (set-buffer gnus-group-buffer)
5680 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5681 (gnus-info-set-read ',info ',(gnus-info-read info))
5682 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5683 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5684 (gnus-group-update-group ,group t))))
5685 ;; Add the read articles to the range.
5686 (gnus-info-set-read info range)
5687 (gnus-request-set-mark group (list (list range 'add '(read))))
5688 ;; Then we have to re-compute how many unread
5689 ;; articles there are in this group.
5693 (setq num (- (1+ (cdr active)) (car active))))
5694 ((not (listp (cdr range)))
5695 (setq num (- (cdr active) (- (1+ (cdr range))
5699 (if (numberp (car range))
5701 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5702 (setq range (cdr range)))
5703 (setq num (- (cdr active) num))))
5704 ;; Update the number of unread articles.
5706 ;; Update the group buffer.
5707 (unless (gnus-ephemeral-group-p group)
5708 (gnus-group-update-group group t))))))
5710 (defvar gnus-newsgroup-none-id 0)
5712 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5713 (let ((cur nntp-server-buffer)
5716 (save-excursion (set-buffer gnus-summary-buffer)
5717 gnus-newsgroup-dependencies)))
5719 (mail-parse-charset gnus-newsgroup-charset)
5720 (mail-parse-ignored-charsets
5721 (save-excursion (condition-case nil
5722 (set-buffer gnus-summary-buffer)
5724 gnus-newsgroup-ignored-charsets)))
5726 (set-buffer nntp-server-buffer)
5727 ;; Translate all TAB characters into SPACE characters.
5728 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5729 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5730 (ietf-drums-unfold-fws)
5731 (gnus-run-hooks 'gnus-parse-headers-hook)
5732 (let ((case-fold-search t)
5733 in-reply-to header p lines chars ctype)
5734 (goto-char (point-min))
5735 ;; Search to the beginning of the next header. Error messages
5736 ;; do not begin with 2 or 3.
5737 (while (re-search-forward "^[23][0-9]+ " nil t)
5740 ;; This implementation of this function, with nine
5741 ;; search-forwards instead of the one re-search-forward and
5742 ;; a case (which basically was the old function) is actually
5743 ;; about twice as fast, even though it looks messier. You
5744 ;; can't have everything, I guess. Speed and elegance
5745 ;; doesn't always go hand in hand.
5748 (make-full-mail-header
5754 (narrow-to-region (point)
5755 (or (and (search-forward "\n.\n" nil t)
5761 (if (search-forward "\nsubject:" nil t)
5762 (nnheader-header-value)
5767 (if (search-forward "\nfrom:" nil t)
5768 (nnheader-header-value)
5773 (if (search-forward "\ndate:" nil t)
5774 (nnheader-header-value) ""))
5778 (setq id (if (re-search-forward
5779 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5780 ;; We do it this way to make sure the Message-ID
5781 ;; is (somewhat) syntactically valid.
5782 (buffer-substring (match-beginning 1)
5784 ;; If there was no message-id, we just fake one
5785 ;; to make subsequent routines simpler.
5786 (nnheader-generate-fake-message-id))))
5790 (if (search-forward "\nreferences:" nil t)
5794 (nnheader-header-value)
5799 (search-backward ">" end t)
5802 (search-backward "<" end t)
5804 ;; Get the references from the in-reply-to header if there
5805 ;; were no references and the in-reply-to header looks
5807 (if (and (search-forward "\nin-reply-to:" nil t)
5808 (setq in-reply-to (nnheader-header-value))
5809 (string-match "<[^>]+>" in-reply-to))
5811 (setq ref (substring in-reply-to (match-beginning 0)
5813 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5814 (setq ref2 (substring in-reply-to (match-beginning 0)
5816 (when (> (length ref2) (length ref))
5823 (if (search-forward "\nchars: " nil t)
5824 (if (numberp (setq chars (ignore-errors (read cur))))
5830 (if (search-forward "\nlines: " nil t)
5831 (if (numberp (setq lines (ignore-errors (read cur))))
5837 (and (search-forward "\nxref:" nil t)
5838 (nnheader-header-value)))
5840 (when gnus-extra-headers
5841 (let ((extra gnus-extra-headers)
5845 (when (search-forward
5846 (concat "\n" (symbol-name (car extra)) ":") nil t)
5847 (push (cons (car extra) (nnheader-header-value)) out))
5851 (if (and (search-forward "\ncontent-type: " nil t)
5852 (setq ctype (nnheader-header-value)))
5853 (mime-entity-set-content-type-internal
5854 header (mime-parse-Content-Type ctype)))
5855 (when (equal id ref)
5858 (when gnus-alter-header-function
5859 (funcall gnus-alter-header-function header)
5860 (setq id (mail-header-id header)
5861 ref (gnus-parent-id (mail-header-references header))))
5864 (gnus-dependencies-add-header
5865 header dependencies force-new))
5866 (push header headers))
5867 (goto-char (point-max))
5869 (nreverse headers)))))
5871 ;; Goes through the xover lines and returns a list of vectors
5872 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5873 force-new dependencies
5874 group also-fetch-heads)
5875 "Parse the news overview data in the server buffer.
5876 Return a list of headers that match SEQUENCE (see
5877 `nntp-retrieve-headers')."
5878 ;; Get the Xref when the users reads the articles since most/some
5879 ;; NNTP servers do not include Xrefs when using XOVER.
5880 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5881 (let ((mail-parse-charset gnus-newsgroup-charset)
5882 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5883 (cur nntp-server-buffer)
5884 (dependencies (or dependencies gnus-newsgroup-dependencies))
5886 ((eq gnus-read-all-available-headers t)
5888 ((stringp gnus-read-all-available-headers)
5889 (string-match gnus-read-all-available-headers group))
5892 number headers header)
5894 (set-buffer nntp-server-buffer)
5895 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5896 ;; Allow the user to mangle the headers before parsing them.
5897 (gnus-run-hooks 'gnus-parse-headers-hook)
5898 (goto-char (point-min))
5899 (gnus-parse-without-error
5900 (while (and (or sequence allp)
5902 (setq number (read cur))
5904 (while (and sequence
5905 (< (car sequence) number))
5906 (setq sequence (cdr sequence))))
5909 (eq number (car sequence))))
5911 (setq sequence (cdr sequence))
5912 (setq header (inline
5913 (gnus-nov-parse-line
5914 number dependencies force-new)))))
5915 (push header headers))
5917 ;; A common bug in inn is that if you have posted an article and
5918 ;; then retrieves the active file, it will answer correctly --
5919 ;; the new article is included. However, a NOV entry for the
5920 ;; article may not have been generated yet, so this may fail.
5921 ;; We work around this problem by retrieving the last few
5922 ;; headers using HEAD.
5923 (if (or (not also-fetch-heads)
5925 ;; We (probably) got all the headers.
5927 (let ((gnus-nov-is-evil t))
5930 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5931 (gnus-get-newsgroup-headers))))))))
5933 (defun gnus-article-get-xrefs ()
5934 "Fill in the Xref value in `gnus-current-headers', if necessary.
5935 This is meant to be called in `gnus-article-internal-prepare-hook'."
5936 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5937 gnus-current-headers)))
5938 (or (not gnus-use-cross-reference)
5940 (and (mail-header-xref headers)
5941 (not (string= (mail-header-xref headers) "")))
5942 (let ((case-fold-search t)
5945 (nnheader-narrow-to-headers)
5946 (goto-char (point-min))
5947 (when (or (and (not (eobp))
5948 (eq (downcase (char-after)) ?x)
5949 (looking-at "Xref:"))
5950 (search-forward "\nXref:" nil t))
5951 (goto-char (1+ (match-end 0)))
5952 (setq xref (buffer-substring (point) (gnus-point-at-eol)))
5953 (mail-header-set-xref headers xref)))))))
5955 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5956 "Find article ID and insert the summary line for that article.
5957 OLD-HEADER can either be a header or a line number to insert
5958 the subject line on."
5959 (let* ((line (and (numberp old-header) old-header))
5960 (old-header (and (vectorp old-header) old-header))
5961 (header (cond ((and old-header use-old-header)
5964 (gnus-number-to-header id))
5965 (gnus-number-to-header id))
5967 (gnus-read-header id))))
5968 (number (and (numberp id) id))
5971 ;; Rebuild the thread that this article is part of and go to the
5972 ;; article we have fetched.
5973 (when (and (not gnus-show-threads)
5976 (setq d (gnus-data-find (mail-header-number old-header))))
5977 (goto-char (gnus-data-pos d))
5980 (- (gnus-point-at-bol)
5982 (1+ (gnus-point-at-eol))
5983 (gnus-delete-line))))))
5985 (mail-header-set-number header (mail-header-number old-header)))
5986 (setq gnus-newsgroup-sparse
5987 (delq (setq number (mail-header-number header))
5988 gnus-newsgroup-sparse))
5989 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5990 (push number gnus-newsgroup-limit)
5991 (gnus-rebuild-thread (mail-header-id header) line)
5992 (gnus-summary-goto-subject number nil t))
5993 (when (and (numberp number)
5995 ;; We have to update the boundaries even if we can't fetch the
5996 ;; article if ID is a number -- so that the next `P' or `N'
5997 ;; command will fetch the previous (or next) article even
5998 ;; if the one we tried to fetch this time has been canceled.
5999 (when (> number gnus-newsgroup-end)
6000 (setq gnus-newsgroup-end number))
6001 (when (< number gnus-newsgroup-begin)
6002 (setq gnus-newsgroup-begin number))
6003 (setq gnus-newsgroup-unselected
6004 (delq number gnus-newsgroup-unselected)))
6005 ;; Report back a success?
6006 (and header (mail-header-number header))))
6008 ;;; Process/prefix in the summary buffer
6010 (defun gnus-summary-work-articles (n)
6011 "Return a list of articles to be worked upon.
6012 The prefix argument, the list of process marked articles, and the
6013 current article will be taken into consideration."
6015 (set-buffer gnus-summary-buffer)
6018 ;; A numerical prefix has been given.
6019 (setq n (prefix-numeric-value n))
6020 (let ((backward (< n 0))
6021 (n (abs (prefix-numeric-value n)))
6026 (push (setq article (gnus-summary-article-number))
6029 (gnus-summary-find-prev nil article)
6030 (gnus-summary-find-next nil article)))
6032 (nreverse articles)))
6033 ((and (gnus-region-active-p) (mark))
6034 (message "region active")
6035 ;; Work on the region between point and mark.
6036 (let ((max (max (point) (mark)))
6039 (goto-char (min (point) (mark)))
6042 (push (setq article (gnus-summary-article-number)) articles)
6043 (gnus-summary-find-next nil article)
6045 (nreverse articles))))
6046 (gnus-newsgroup-processable
6047 ;; There are process-marked articles present.
6048 ;; Save current state.
6049 (gnus-summary-save-process-mark)
6051 (reverse gnus-newsgroup-processable))
6053 ;; Just return the current article.
6054 (list (gnus-summary-article-number))))))
6056 (defmacro gnus-summary-iterate (arg &rest forms)
6057 "Iterate over the process/prefixed articles and do FORMS.
6058 ARG is the interactive prefix given to the command. FORMS will be
6059 executed with point over the summary line of the articles."
6060 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6061 `(let ((,articles (gnus-summary-work-articles ,arg)))
6063 (gnus-summary-goto-subject (car ,articles))
6067 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6068 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6070 (defun gnus-summary-save-process-mark ()
6071 "Push the current set of process marked articles on the stack."
6073 (push (copy-sequence gnus-newsgroup-processable)
6074 gnus-newsgroup-process-stack))
6076 (defun gnus-summary-kill-process-mark ()
6077 "Push the current set of process marked articles on the stack and unmark."
6079 (gnus-summary-save-process-mark)
6080 (gnus-summary-unmark-all-processable))
6082 (defun gnus-summary-yank-process-mark ()
6083 "Pop the last process mark state off the stack and restore it."
6085 (unless gnus-newsgroup-process-stack
6086 (error "Empty mark stack"))
6087 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6089 (defun gnus-summary-process-mark-set (set)
6090 "Make SET into the current process marked articles."
6091 (gnus-summary-unmark-all-processable)
6093 (gnus-summary-set-process-mark (pop set))))
6095 ;;; Searching and stuff
6097 (defun gnus-summary-search-group (&optional backward use-level)
6098 "Search for next unread newsgroup.
6099 If optional argument BACKWARD is non-nil, search backward instead."
6101 (set-buffer gnus-group-buffer)
6102 (when (gnus-group-search-forward
6103 backward nil (if use-level (gnus-group-group-level) nil))
6104 (gnus-group-group-name))))
6106 (defun gnus-summary-best-group (&optional exclude-group)
6107 "Find the name of the best unread group.
6108 If EXCLUDE-GROUP, do not go to this group."
6110 (set-buffer gnus-group-buffer)
6112 (gnus-group-best-unread-group exclude-group))))
6114 (defun gnus-summary-find-next (&optional unread article backward)
6116 (gnus-summary-find-prev unread article)
6117 (let* ((dummy (gnus-summary-article-intangible-p))
6118 (article (or article (gnus-summary-article-number)))
6119 (data (gnus-data-find-list article))
6121 (when (and (not dummy)
6122 (or (not gnus-summary-check-current)
6124 (not (gnus-data-unread-p (car data)))))
6125 (setq data (cdr data)))
6130 (unless (memq (gnus-data-number (car data))
6132 ((eq gnus-auto-goto-ignores
6133 'always-undownloaded)
6134 gnus-newsgroup-undownloaded)
6137 ((eq gnus-auto-goto-ignores
6139 gnus-newsgroup-unfetched)
6140 ((eq gnus-auto-goto-ignores
6142 gnus-newsgroup-undownloaded)))
6143 (when (gnus-data-unread-p (car data))
6144 (setq result (car data)
6146 (setq data (cdr data)))
6149 (goto-char (gnus-data-pos result))
6150 (gnus-data-number result)))))
6152 (defun gnus-summary-find-prev (&optional unread article)
6153 (let* ((eobp (eobp))
6154 (article (or article (gnus-summary-article-number)))
6155 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6157 (when (and (not eobp)
6158 (or (not gnus-summary-check-current)
6160 (not (gnus-data-unread-p (car data)))))
6161 (setq data (cdr data)))
6166 (unless (memq (gnus-data-number (car data))
6168 ((eq gnus-auto-goto-ignores
6169 'always-undownloaded)
6170 gnus-newsgroup-undownloaded)
6173 ((eq gnus-auto-goto-ignores
6175 gnus-newsgroup-unfetched)
6176 ((eq gnus-auto-goto-ignores
6178 gnus-newsgroup-undownloaded)))
6179 (when (gnus-data-unread-p (car data))
6180 (setq result (car data)
6182 (setq data (cdr data)))
6185 (goto-char (gnus-data-pos result))
6186 (gnus-data-number result))))
6188 (defun gnus-summary-find-subject (subject &optional unread backward article)
6189 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6190 (article (or article (gnus-summary-article-number)))
6191 (articles (gnus-data-list backward))
6192 (arts (gnus-data-find-list article articles))
6194 (when (or (not gnus-summary-check-current)
6196 (not (gnus-data-unread-p (car arts))))
6197 (setq arts (cdr arts)))
6199 (and (or (not unread)
6200 (gnus-data-unread-p (car arts)))
6201 (vectorp (gnus-data-header (car arts)))
6203 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6204 (setq result (car arts)
6206 (setq arts (cdr arts)))
6208 (goto-char (gnus-data-pos result))
6209 (gnus-data-number result))))
6211 (defun gnus-summary-search-forward (&optional unread subject backward)
6212 "Search forward for an article.
6213 If UNREAD, look for unread articles. If SUBJECT, look for
6214 articles with that subject. If BACKWARD, search backward instead."
6215 (cond (subject (gnus-summary-find-subject subject unread backward))
6216 (backward (gnus-summary-find-prev unread))
6217 (t (gnus-summary-find-next unread))))
6219 (defun gnus-recenter (&optional n)
6220 "Center point in window and redisplay frame.
6221 Also do horizontal recentering."
6223 (when (and gnus-auto-center-summary
6224 (not (eq gnus-auto-center-summary 'vertical)))
6225 (gnus-horizontal-recenter))
6228 (defun gnus-summary-recenter ()
6229 "Center point in the summary window.
6230 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6231 displayed, no centering will be performed."
6232 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6233 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6235 ;; The user has to want it.
6236 (when gnus-auto-center-summary
6237 (let* ((top (cond ((< (window-height) 4) 0)
6238 ((< (window-height) 7) 1)
6239 (t (if (numberp gnus-auto-center-summary)
6240 gnus-auto-center-summary
6242 (height (1- (window-height)))
6243 (bottom (save-excursion (goto-char (point-max))
6244 (forward-line (- height))
6246 (window (get-buffer-window (current-buffer))))
6247 (when (get-buffer-window gnus-article-buffer)
6248 ;; Only do recentering when the article buffer is displayed,
6249 ;; Set the window start to either `bottom', which is the biggest
6250 ;; possible valid number, or the second line from the top,
6251 ;; whichever is the least.
6252 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6253 (if (> bottom top-pos)
6254 ;; Keep the second line from the top visible
6255 (set-window-start window top-pos t)
6256 ;; Try to keep the bottom line visible; if it's partially
6257 ;; obscured, either scroll one more line to make it fully
6258 ;; visible, or revert to using TOP-POS.
6260 (goto-char (point-max))
6262 (let ((last-line-start (point)))
6264 (set-window-start window (point) t)
6265 (when (not (pos-visible-in-window-p last-line-start window))
6267 (set-window-start window (min (point) top-pos) t)))))))
6268 ;; Do horizontal recentering while we're at it.
6269 (when (and (get-buffer-window (current-buffer) t)
6270 (not (eq gnus-auto-center-summary 'vertical)))
6271 (let ((selected (selected-window)))
6272 (select-window (get-buffer-window (current-buffer) t))
6273 (gnus-summary-position-point)
6274 (gnus-horizontal-recenter)
6275 (select-window selected))))))
6277 (defun gnus-summary-jump-to-group (newsgroup)
6278 "Move point to NEWSGROUP in group mode buffer."
6279 ;; Keep update point of group mode buffer if visible.
6280 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6281 (save-window-excursion
6282 ;; Take care of tree window mode.
6283 (when (get-buffer-window gnus-group-buffer)
6284 (pop-to-buffer gnus-group-buffer))
6285 (gnus-group-jump-to-group newsgroup))
6287 ;; Take care of tree window mode.
6288 (if (get-buffer-window gnus-group-buffer)
6289 (pop-to-buffer gnus-group-buffer)
6290 (set-buffer gnus-group-buffer))
6291 (gnus-group-jump-to-group newsgroup))))
6293 ;; This function returns a list of article numbers based on the
6294 ;; difference between the ranges of read articles in this group and
6295 ;; the range of active articles.
6296 (defun gnus-list-of-unread-articles (group)
6297 (let* ((read (gnus-info-read (gnus-get-info group)))
6298 (active (or (gnus-active group) (gnus-activate-group group)))
6301 ;; If none are read, then all are unread.
6303 (setq first (car active))
6304 ;; If the range of read articles is a single range, then the
6305 ;; first unread article is the article after the last read
6306 ;; article. Sounds logical, doesn't it?
6307 (if (and (not (listp (cdr read)))
6308 (or (< (car read) (car active))
6309 (progn (setq read (list read))
6311 (setq first (max (car active) (1+ (cdr read))))
6312 ;; `read' is a list of ranges.
6313 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6316 (setq first (car active)))
6319 (while (< first nlast)
6321 (setq first (1+ first))))
6322 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6323 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6324 (setq read (cdr read)))))
6325 ;; And add the last unread articles.
6326 (while (<= first last)
6328 (setq first (1+ first)))
6329 ;; Return the list of unread articles.
6330 (delq 0 (nreverse unread))))
6332 (defun gnus-list-of-read-articles (group)
6333 "Return a list of unread, unticked and non-dormant articles."
6334 (let* ((info (gnus-get-info group))
6335 (marked (gnus-info-marks info))
6336 (active (gnus-active group)))
6338 (gnus-list-range-difference
6339 (gnus-list-range-difference
6340 (gnus-sorted-complement
6341 (gnus-uncompress-range active)
6342 (gnus-list-of-unread-articles group))
6343 (cdr (assq 'dormant marked)))
6344 (cdr (assq 'tick marked))))))
6346 ;; Various summary commands
6348 (defun gnus-summary-select-article-buffer ()
6349 "Reconfigure windows to show article buffer."
6351 (if (not (gnus-buffer-live-p gnus-article-buffer))
6352 (error "There is no article buffer for this summary buffer")
6353 (gnus-configure-windows 'article)
6354 (select-window (get-buffer-window gnus-article-buffer))))
6356 (defun gnus-summary-universal-argument (arg)
6357 "Perform any operation on all articles that are process/prefixed."
6359 (let ((articles (gnus-summary-work-articles arg))
6366 (substitute-command-keys
6367 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6369 (gnus-error 1 "Undefined key")
6372 (gnus-summary-goto-subject (setq article (pop articles)))
6373 (let (gnus-newsgroup-processable)
6374 (command-execute func))
6375 (gnus-summary-remove-process-mark article)))))
6376 (gnus-summary-position-point))
6378 (defun gnus-summary-toggle-truncation (&optional arg)
6379 "Toggle truncation of summary lines.
6380 With ARG, turn line truncation on if ARG is positive."
6382 (setq truncate-lines
6383 (if (null arg) (not truncate-lines)
6384 (> (prefix-numeric-value arg) 0)))
6387 (defun gnus-summary-find-for-reselect ()
6388 "Return the number of an article to stay on across a reselect.
6389 The current article is considered, then following articles, then previous
6390 articles. An article is sought which is not cancelled and isn't a temporary
6391 insertion from another group. If there's no such then return a dummy 0."
6393 (dolist (rev '(nil t))
6394 (unless found ; don't demand the reverse list if we don't need it
6395 (let ((data (gnus-data-find-list
6396 (gnus-summary-article-number) (gnus-data-list rev))))
6397 (while (and data (not found))
6398 (if (and (< 0 (gnus-data-number (car data)))
6399 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6400 (setq found (gnus-data-number (car data))))
6401 (setq data (cdr data))))))
6404 (defun gnus-summary-reselect-current-group (&optional all rescan)
6405 "Exit and then reselect the current newsgroup.
6406 The prefix argument ALL means to select all articles."
6408 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6409 (error "Ephemeral groups can't be reselected"))
6410 (let ((current-subject (gnus-summary-find-for-reselect))
6411 (group gnus-newsgroup-name))
6412 (setq gnus-newsgroup-begin nil)
6413 (gnus-summary-exit nil 'leave-hidden)
6414 ;; We have to adjust the point of group mode buffer because
6415 ;; point was moved to the next unread newsgroup by exiting.
6416 (gnus-summary-jump-to-group group)
6419 (save-window-excursion
6420 ;; Don't show group contents.
6421 (set-window-start (selected-window) (point-max))
6422 (gnus-group-get-new-news-this-group 1))))
6423 (gnus-group-read-group all t)
6424 (gnus-summary-goto-subject current-subject nil t)))
6426 (defun gnus-summary-rescan-group (&optional all)
6427 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6429 (gnus-summary-reselect-current-group all t))
6431 (defun gnus-summary-update-info (&optional non-destructive)
6433 (let ((group gnus-newsgroup-name))
6435 (when gnus-newsgroup-kill-headers
6436 (setq gnus-newsgroup-killed
6437 (gnus-compress-sequence
6439 (gnus-list-range-intersection
6440 gnus-newsgroup-unselected gnus-newsgroup-killed)
6441 gnus-newsgroup-unreads)
6443 (unless (listp (cdr gnus-newsgroup-killed))
6444 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6445 (let ((headers gnus-newsgroup-headers))
6446 ;; Set the new ranges of read articles.
6448 (set-buffer gnus-group-buffer)
6449 (gnus-undo-force-boundary))
6450 (gnus-update-read-articles
6451 group (gnus-sorted-union
6452 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6453 ;; Set the current article marks.
6454 (let ((gnus-newsgroup-scored
6455 (if (and (not gnus-save-score)
6456 (not non-destructive))
6458 gnus-newsgroup-scored)))
6460 (gnus-update-marks)))
6461 ;; Do the cross-ref thing.
6462 (when gnus-use-cross-reference
6463 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6464 ;; Do not switch windows but change the buffer to work.
6465 (set-buffer gnus-group-buffer)
6466 (unless (gnus-ephemeral-group-p group)
6467 (gnus-group-update-group group)))))))
6469 (defun gnus-summary-save-newsrc (&optional force)
6470 "Save the current number of read/marked articles in the dribble buffer.
6471 The dribble buffer will then be saved.
6472 If FORCE (the prefix), also save the .newsrc file(s)."
6474 (gnus-summary-update-info t)
6476 (gnus-save-newsrc-file)
6477 (gnus-dribble-save)))
6479 (defun gnus-summary-exit (&optional temporary leave-hidden)
6480 "Exit reading current newsgroup, and then return to group selection mode.
6481 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6483 (gnus-set-global-variables)
6484 (gnus-kill-save-kill-buffer)
6485 (gnus-async-halt-prefetch)
6486 (let* ((group gnus-newsgroup-name)
6487 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6488 (gnus-group-is-exiting-p t)
6491 (buf (current-buffer)))
6493 ;; Do adaptive scoring, and possibly save score files.
6494 (when gnus-newsgroup-adaptive
6495 (gnus-score-adaptive))
6496 (when gnus-use-scoring
6498 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6499 ;; If we have several article buffers, we kill them at exit.
6500 (unless gnus-single-article-buffer
6501 (gnus-kill-buffer gnus-original-article-buffer)
6502 (setq gnus-article-current nil))
6503 (when gnus-use-cache
6504 (gnus-cache-possibly-remove-articles)
6505 (gnus-cache-save-buffers))
6506 (gnus-async-prefetch-remove-group group)
6507 (when gnus-suppress-duplicates
6508 (gnus-dup-enter-articles))
6509 (when gnus-use-trees
6510 (gnus-tree-close group))
6511 (when gnus-use-cache
6512 (gnus-cache-write-active))
6513 ;; Remove entries for this group.
6514 (nnmail-purge-split-history (gnus-group-real-name group))
6515 ;; Make all changes in this group permanent.
6517 (gnus-run-hooks 'gnus-exit-group-hook)
6518 (gnus-summary-update-info))
6519 (gnus-close-group group)
6520 ;; Make sure where we were, and go to next newsgroup.
6521 (set-buffer gnus-group-buffer)
6523 (gnus-group-jump-to-group group))
6524 (gnus-run-hooks 'gnus-summary-exit-hook)
6525 (unless (or quit-config
6526 ;; If this group has disappeared from the summary
6527 ;; buffer, don't skip forwards.
6528 (not (string= group (gnus-group-group-name))))
6529 (gnus-group-next-unread-group 1))
6530 (setq group-point (point))
6533 ;; If we have several article buffers, we kill them at exit.
6534 (unless gnus-single-article-buffer
6535 (gnus-kill-buffer gnus-article-buffer)
6536 (gnus-kill-buffer gnus-original-article-buffer)
6537 (setq gnus-article-current nil))
6539 (if (not gnus-kill-summary-on-exit)
6541 (gnus-deaden-summary)
6543 ;; We set all buffer-local variables to nil. It is unclear why
6544 ;; this is needed, but if we don't, buffer-local variables are
6545 ;; not garbage-collected, it seems. This would the lead to en
6546 ;; ever-growing Emacs.
6547 (gnus-summary-clear-local-variables)
6548 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6549 (gnus-summary-clear-local-variables))
6550 (when (get-buffer gnus-article-buffer)
6551 (bury-buffer gnus-article-buffer))
6552 ;; We clear the global counterparts of the buffer-local
6553 ;; variables as well, just to be on the safe side.
6554 (set-buffer gnus-group-buffer)
6555 (gnus-summary-clear-local-variables)
6556 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6557 (gnus-summary-clear-local-variables))
6558 ;; Return to group mode buffer.
6559 (when (eq mode 'gnus-summary-mode)
6560 (gnus-kill-buffer buf)))
6561 (setq gnus-current-select-method gnus-select-method)
6563 (set-buffer gnus-group-buffer)
6564 (pop-to-buffer gnus-group-buffer))
6565 (if (not quit-config)
6567 (goto-char group-point)
6568 (unless leave-hidden
6569 (gnus-configure-windows 'group 'force))
6570 (unless (pos-visible-in-window-p)
6571 (forward-line (/ (static-if (featurep 'xemacs)
6572 (window-displayed-height)
6573 (1- (window-height)))
6575 (set-window-start (selected-window) (point))
6576 (goto-char group-point)))
6577 (gnus-handle-ephemeral-exit quit-config))
6578 ;; Clear the current group name.
6580 (setq gnus-newsgroup-name nil)))))
6582 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6583 (defun gnus-summary-exit-no-update (&optional no-questions)
6584 "Quit reading current newsgroup without updating read article info."
6586 (let* ((group gnus-newsgroup-name)
6587 (gnus-group-is-exiting-p t)
6588 (gnus-group-is-exiting-without-update-p t)
6589 (quit-config (gnus-group-quit-config group)))
6590 (when (or no-questions
6592 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6593 (gnus-async-halt-prefetch)
6594 (run-hooks 'gnus-summary-prepare-exit-hook)
6595 ;; If we have several article buffers, we kill them at exit.
6596 (unless gnus-single-article-buffer
6597 (gnus-kill-buffer gnus-article-buffer)
6598 (gnus-kill-buffer gnus-original-article-buffer)
6599 (setq gnus-article-current nil))
6600 (if (not gnus-kill-summary-on-exit)
6601 (gnus-deaden-summary)
6602 (gnus-close-group group)
6603 (gnus-summary-clear-local-variables)
6604 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6605 (gnus-summary-clear-local-variables))
6606 (set-buffer gnus-group-buffer)
6607 (gnus-summary-clear-local-variables)
6608 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6609 (gnus-summary-clear-local-variables))
6610 (gnus-kill-buffer gnus-summary-buffer))
6611 (unless gnus-single-article-buffer
6612 (setq gnus-article-current nil))
6613 (when gnus-use-trees
6614 (gnus-tree-close group))
6615 (gnus-async-prefetch-remove-group group)
6616 (when (get-buffer gnus-article-buffer)
6617 (bury-buffer gnus-article-buffer))
6618 ;; Return to the group buffer.
6619 (gnus-configure-windows 'group 'force)
6620 ;; Clear the current group name.
6621 (setq gnus-newsgroup-name nil)
6622 (unless (gnus-ephemeral-group-p group)
6623 (gnus-group-update-group group))
6624 (when (equal (gnus-group-group-name) group)
6625 (gnus-group-next-unread-group 1))
6627 (gnus-handle-ephemeral-exit quit-config)))))
6629 (defun gnus-handle-ephemeral-exit (quit-config)
6630 "Handle movement when leaving an ephemeral group.
6631 The state which existed when entering the ephemeral is reset."
6632 (if (not (buffer-name (car quit-config)))
6633 (gnus-configure-windows 'group 'force)
6634 (set-buffer (car quit-config))
6635 (cond ((eq major-mode 'gnus-summary-mode)
6636 (gnus-set-global-variables))
6637 ((eq major-mode 'gnus-article-mode)
6639 ;; The `gnus-summary-buffer' variable may point
6640 ;; to the old summary buffer when using a single
6642 (unless (gnus-buffer-live-p gnus-summary-buffer)
6643 (set-buffer gnus-group-buffer))
6644 (set-buffer gnus-summary-buffer)
6645 (gnus-set-global-variables))))
6646 (if (or (eq (cdr quit-config) 'article)
6647 (eq (cdr quit-config) 'pick))
6649 ;; The current article may be from the ephemeral group
6650 ;; thus it is best that we reload this article
6652 ;; If we're exiting from a large digest, this can be
6653 ;; extremely slow. So, it's better not to reload it. -- jh.
6654 ;;(gnus-summary-show-article)
6655 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6656 (gnus-configure-windows 'pick 'force)
6657 (gnus-configure-windows (cdr quit-config) 'force)))
6658 (gnus-configure-windows (cdr quit-config) 'force))
6659 (when (eq major-mode 'gnus-summary-mode)
6660 (gnus-summary-next-subject 1 nil t)
6661 (gnus-summary-recenter)
6662 (gnus-summary-position-point))))
6664 (defun gnus-summary-preview-mime-message ()
6665 "MIME decode and play this message."
6667 (let ((gnus-break-pages nil)
6669 (gnus-summary-select-article gnus-show-all-headers t))
6670 (let ((w (get-buffer-window gnus-article-buffer)))
6672 (select-window (get-buffer-window gnus-article-buffer)))))
6676 (defvar gnus-dead-summary-mode-map nil)
6678 (unless gnus-dead-summary-mode-map
6679 (setq gnus-dead-summary-mode-map (make-keymap))
6680 (suppress-keymap gnus-dead-summary-mode-map)
6681 (substitute-key-definition
6682 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6683 (dolist (key '("\C-d" "\r" "\177" [delete]))
6684 (define-key gnus-dead-summary-mode-map
6685 key 'gnus-summary-wake-up-the-dead))
6686 (dolist (key '("q" "Q"))
6687 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6689 (defvar gnus-dead-summary-mode nil
6690 "Minor mode for Gnus summary buffers.")
6692 (defun gnus-dead-summary-mode (&optional arg)
6693 "Minor mode for Gnus summary buffers."
6695 (when (eq major-mode 'gnus-summary-mode)
6696 (make-local-variable 'gnus-dead-summary-mode)
6697 (setq gnus-dead-summary-mode
6698 (if (null arg) (not gnus-dead-summary-mode)
6699 (> (prefix-numeric-value arg) 0)))
6700 (when gnus-dead-summary-mode
6701 (gnus-add-minor-mode
6702 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6704 (defun gnus-deaden-summary ()
6705 "Make the current summary buffer into a dead summary buffer."
6706 ;; Kill any previous dead summary buffer.
6707 (when (and gnus-dead-summary
6708 (buffer-name gnus-dead-summary))
6710 (set-buffer gnus-dead-summary)
6711 (when gnus-dead-summary-mode
6712 (kill-buffer (current-buffer)))))
6713 ;; Make this the current dead summary.
6714 (setq gnus-dead-summary (current-buffer))
6715 (gnus-dead-summary-mode 1)
6716 (let ((name (buffer-name)))
6717 (when (string-match "Summary" name)
6719 (concat (substring name 0 (match-beginning 0)) "Dead "
6720 (substring name (match-beginning 0)))
6724 (defun gnus-kill-or-deaden-summary (buffer)
6725 "Kill or deaden the summary BUFFER."
6727 (when (and (buffer-name buffer)
6728 (not gnus-single-article-buffer))
6731 (gnus-kill-buffer gnus-article-buffer)
6732 (gnus-kill-buffer gnus-original-article-buffer)))
6735 (gnus-kill-summary-on-exit
6736 (when (and gnus-use-trees
6737 (gnus-buffer-exists-p buffer))
6740 (gnus-tree-close gnus-newsgroup-name)))
6741 (gnus-kill-buffer buffer))
6742 ;; Deaden the buffer.
6743 ((gnus-buffer-exists-p buffer)
6746 (gnus-deaden-summary))))))
6748 (defun gnus-summary-wake-up-the-dead (&rest args)
6749 "Wake up the dead summary buffer."
6751 (gnus-dead-summary-mode -1)
6752 (let ((name (buffer-name)))
6753 (when (string-match "Dead " name)
6755 (concat (substring name 0 (match-beginning 0))
6756 (substring name (match-end 0)))
6758 (gnus-message 3 "This dead summary is now alive again"))
6760 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6761 (defun gnus-summary-fetch-faq (&optional faq-dir)
6762 "Fetch the FAQ for the current group.
6763 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6767 (when current-prefix-arg
6769 "FAQ dir: " (and (listp gnus-group-faq-directory)
6770 (mapcar (lambda (file) (list file))
6771 gnus-group-faq-directory))))))
6772 (let (gnus-faq-buffer)
6773 (when (setq gnus-faq-buffer
6774 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6775 (gnus-configure-windows 'summary-faq))))
6777 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6778 (defun gnus-summary-describe-group (&optional force)
6779 "Describe the current newsgroup."
6781 (gnus-group-describe-group force gnus-newsgroup-name))
6783 (defun gnus-summary-describe-briefly ()
6784 "Describe summary mode commands briefly."
6786 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
6788 ;; Walking around group mode buffer from summary mode.
6790 (defun gnus-summary-next-group (&optional no-article target-group backward)
6791 "Exit current newsgroup and then select next unread newsgroup.
6792 If prefix argument NO-ARTICLE is non-nil, no article is selected
6793 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6794 previous group instead."
6796 ;; Stop pre-fetching.
6797 (gnus-async-halt-prefetch)
6798 (let ((current-group gnus-newsgroup-name)
6799 (current-buffer (current-buffer))
6801 ;; First we semi-exit this group to update Xrefs and all variables.
6802 ;; We can't do a real exit, because the window conf must remain
6803 ;; the same in case the user is prompted for info, and we don't
6804 ;; want the window conf to change before that...
6805 (gnus-summary-exit t)
6806 (while (not entered)
6807 ;; Then we find what group we are supposed to enter.
6808 (set-buffer gnus-group-buffer)
6809 (gnus-group-jump-to-group current-group)
6812 (if (eq gnus-keep-same-level 'best)
6813 (gnus-summary-best-group gnus-newsgroup-name)
6814 (gnus-summary-search-group backward gnus-keep-same-level))))
6815 (if (not target-group)
6816 ;; There are no further groups, so we return to the group
6819 (gnus-message 5 "Returning to the group buffer")
6821 (when (gnus-buffer-live-p current-buffer)
6822 (set-buffer current-buffer)
6823 (gnus-summary-exit))
6824 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6825 ;; We try to enter the target group.
6826 (gnus-group-jump-to-group target-group)
6827 (let ((unreads (gnus-group-group-unread)))
6828 (if (and (or (eq t unreads)
6829 (and unreads (not (zerop unreads))))
6830 (gnus-summary-read-group
6831 target-group nil no-article
6832 (and (buffer-name current-buffer) current-buffer)
6835 (setq current-group target-group
6836 target-group nil)))))))
6838 (defun gnus-summary-prev-group (&optional no-article)
6839 "Exit current newsgroup and then select previous unread newsgroup.
6840 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6842 (gnus-summary-next-group no-article nil t))
6844 ;; Walking around summary lines.
6846 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6847 "Go to the first subject satisfying any non-nil constraint.
6848 If UNREAD is non-nil, the article should be unread.
6849 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6850 If UNSEEN is non-nil, the article should be unseen.
6851 Returns the article selected or nil if there are no matching articles."
6855 ((null gnus-newsgroup-data)
6856 (gnus-message 3 "No articles in the group")
6858 ;; Pick the first article.
6859 ((not (or unread undownloaded unseen))
6860 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6861 (gnus-data-number (car gnus-newsgroup-data)))
6862 ;; Find the first unread article.
6864 (let ((data gnus-newsgroup-data))
6866 (let ((num (gnus-data-number (car data))))
6867 (or (memq num gnus-newsgroup-unfetched)
6868 (not (or (and unread
6869 (memq num gnus-newsgroup-unreads))
6871 (memq num gnus-newsgroup-undownloaded))
6873 (memq num gnus-newsgroup-unseen)))))))
6874 (setq data (cdr data)))
6878 (goto-char (gnus-data-pos (car data)))
6879 (gnus-data-number (car data)))
6880 (gnus-message 3 "No more%s articles"
6881 (let* ((r (when unread " unread"))
6882 (d (when undownloaded " undownloaded"))
6883 (s (when unseen " unseen"))
6884 (l (delq nil (list r d s))))
6885 (cond ((= 3 (length l))
6886 (concat r "," d ", or" s))
6888 (concat (car l) ", or" (cadr l)))
6895 (gnus-summary-position-point))))))
6897 (defun gnus-summary-next-subject (n &optional unread dont-display)
6898 "Go to next N'th summary line.
6899 If N is negative, go to the previous N'th subject line.
6900 If UNREAD is non-nil, only unread articles are selected.
6901 The difference between N and the actual number of steps taken is
6904 (let ((backward (< n 0))
6908 (gnus-summary-find-prev unread)
6909 (gnus-summary-find-next unread)))
6910 (unless (zerop (setq n (1- n)))
6911 (gnus-summary-show-thread)))
6913 (gnus-message 7 "No more%s articles"
6914 (if unread " unread" "")))
6915 (unless dont-display
6916 (gnus-summary-recenter)
6917 (gnus-summary-position-point))
6920 (defun gnus-summary-next-unread-subject (n)
6921 "Go to next N'th unread summary line."
6923 (gnus-summary-next-subject n t))
6925 (defun gnus-summary-prev-subject (n &optional unread)
6926 "Go to previous N'th summary line.
6927 If optional argument UNREAD is non-nil, only unread article is selected."
6929 (gnus-summary-next-subject (- n) unread))
6931 (defun gnus-summary-prev-unread-subject (n)
6932 "Go to previous N'th unread summary line."
6934 (gnus-summary-next-subject (- n) t))
6936 (defun gnus-summary-goto-subjects (articles)
6937 "Insert the subject header for ARTICLES in the current buffer."
6939 (dolist (article articles)
6940 (gnus-summary-goto-subject article t)))
6941 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6942 (gnus-summary-position-point))
6944 (defun gnus-summary-goto-subject (article &optional force silent)
6945 "Go the subject line of ARTICLE.
6946 If FORCE, also allow jumping to articles not currently shown."
6947 (interactive "nArticle number: ")
6948 (unless (numberp article)
6949 (error "Article %s is not a number" article))
6951 (data (gnus-data-find article)))
6952 ;; We read in the article if we have to.
6955 (gnus-summary-insert-subject
6957 (if (or (numberp force) (vectorp force)) force)
6959 (setq data (gnus-data-find article)))
6964 (gnus-message 3 "Can't find article %d" article))
6966 (let ((pt (gnus-data-pos data)))
6968 (gnus-summary-set-article-display-arrow pt))
6969 (gnus-summary-position-point)
6972 ;; Walking around summary lines with displaying articles.
6974 (defun gnus-summary-expand-window (&optional arg)
6975 "Make the summary buffer take up the entire Emacs frame.
6976 Given a prefix, will force an `article' buffer configuration."
6979 (gnus-configure-windows 'article 'force)
6980 (gnus-configure-windows 'summary 'force)))
6982 (defun gnus-summary-display-article (article &optional all-header)
6983 "Display ARTICLE in article buffer."
6984 (when (gnus-buffer-live-p gnus-article-buffer)
6985 (with-current-buffer gnus-article-buffer
6986 (set-buffer-multibyte t)))
6987 (gnus-set-global-variables)
6988 (when (gnus-buffer-live-p gnus-article-buffer)
6989 (with-current-buffer gnus-article-buffer
6990 (setq gnus-article-charset gnus-newsgroup-charset)
6991 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6992 (set-buffer-multibyte t)))
6996 (if gnus-summary-display-article-function
6997 (funcall gnus-summary-display-article-function article all-header)
6998 (gnus-article-prepare article all-header))
6999 (with-current-buffer gnus-article-buffer
7000 (set (make-local-variable 'gnus-summary-search-article-matched-data)
7002 (gnus-run-hooks 'gnus-select-article-hook)
7003 (when (and gnus-current-article
7004 (not (zerop gnus-current-article)))
7005 (gnus-summary-goto-subject gnus-current-article))
7006 (gnus-summary-recenter)
7007 (when (and gnus-use-trees gnus-show-threads)
7008 (gnus-possibly-generate-tree article)
7009 (gnus-highlight-selected-tree article))
7010 ;; Successfully display article.
7011 (gnus-article-set-window-start
7012 (cdr (assq article gnus-newsgroup-bookmarks))))))
7014 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7015 "Select the current article.
7016 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7017 non-nil, the article will be re-fetched even if it already present in
7018 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7020 ;; Make sure we are in the summary buffer to work around bbdb bug.
7021 (unless (eq major-mode 'gnus-summary-mode)
7022 (set-buffer gnus-summary-buffer))
7023 (let ((article (or article (gnus-summary-article-number)))
7024 (all-headers (not (not all-headers))) ;Must be T or NIL.
7025 gnus-summary-display-article-function)
7027 (gnus-summary-article-pseudo-p article)
7028 (error "This is a pseudo-article"))
7030 (set-buffer gnus-summary-buffer)
7031 (if (or (and gnus-single-article-buffer
7032 (or (null gnus-current-article)
7033 (null gnus-article-current)
7034 (null (get-buffer gnus-article-buffer))
7035 (not (eq article (cdr gnus-article-current)))
7036 (not (equal (car gnus-article-current)
7037 gnus-newsgroup-name))))
7038 (and (not gnus-single-article-buffer)
7039 (or (null gnus-current-article)
7040 (not (eq gnus-current-article article))))
7042 ;; The requested article is different from the current article.
7044 (gnus-summary-display-article article all-headers)
7045 (gnus-article-set-window-start
7046 (cdr (assq article gnus-newsgroup-bookmarks)))
7050 (defun gnus-summary-force-verify-and-decrypt ()
7051 "Display buttons for signed/encrypted parts and verify/decrypt them."
7053 (let ((mm-verify-option 'known)
7054 (mm-decrypt-option 'known)
7055 (gnus-article-emulate-mime t)
7056 (gnus-buttonized-mime-types (append (list "multipart/signed"
7057 "multipart/encrypted")
7058 gnus-buttonized-mime-types)))
7059 (gnus-summary-select-article nil 'force)))
7061 (defun gnus-summary-set-current-mark (&optional current-mark)
7062 "Obsolete function."
7065 (defun gnus-summary-next-article (&optional unread subject backward push)
7066 "Select the next article.
7067 If UNREAD, only unread articles are selected.
7068 If SUBJECT, only articles with SUBJECT are selected.
7069 If BACKWARD, the previous article is selected instead of the next."
7072 ;; Is there such an article?
7073 ((and (gnus-summary-search-forward unread subject backward)
7074 (or (gnus-summary-display-article (gnus-summary-article-number))
7075 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7076 (gnus-summary-position-point))
7077 ;; If not, we try the first unread, if that is wanted.
7079 gnus-auto-select-same
7080 (gnus-summary-first-unread-article))
7081 (gnus-summary-position-point)
7082 (gnus-message 6 "Wrapped"))
7083 ;; Try to get next/previous article not displayed in this group.
7084 ((and gnus-auto-extend-newsgroup
7085 (not unread) (not subject))
7086 (gnus-summary-goto-article
7087 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7088 nil (count-lines (point-min) (point))))
7089 ;; Go to next/previous group.
7091 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7092 (gnus-summary-jump-to-group gnus-newsgroup-name))
7093 (let ((cmd last-command-char)
7096 (set-buffer gnus-group-buffer)
7099 (if (eq gnus-keep-same-level 'best)
7100 (gnus-summary-best-group gnus-newsgroup-name)
7101 (gnus-summary-search-group backward gnus-keep-same-level))))
7102 ;; For some reason, the group window gets selected. We change
7104 (select-window (get-buffer-window (current-buffer)))
7105 ;; Select next unread newsgroup automagically.
7107 ((or (not gnus-auto-select-next)
7109 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7110 ((or (eq gnus-auto-select-next 'quietly)
7111 (and (eq gnus-auto-select-next 'slightly-quietly)
7113 (and (eq gnus-auto-select-next 'almost-quietly)
7114 (gnus-summary-last-article-p)))
7116 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7118 (gnus-message 7 "No more%s articles (%s)..."
7119 (if unread " unread" "")
7120 (if group (concat "selecting " group)
7122 (gnus-summary-next-group nil group backward)))
7124 (when (gnus-key-press-event-p last-input-event)
7125 (gnus-summary-walk-group-buffer
7126 gnus-newsgroup-name cmd unread backward point))))))))
7128 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7129 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7130 (?\C-p (gnus-group-prev-unread-group 1))))
7131 (cursor-in-echo-area t)
7132 keve key group ended prompt)
7134 (set-buffer gnus-group-buffer)
7137 (if (eq gnus-keep-same-level 'best)
7138 (gnus-summary-best-group gnus-newsgroup-name)
7139 (gnus-summary-search-group backward gnus-keep-same-level))))
7143 "No more%s articles%s " (if unread " unread" "")
7145 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7146 (format " (Type %s for %s [%s])"
7147 (single-key-description cmd) group
7148 (car (gnus-gethash group gnus-newsrc-hashtb)))
7149 (format " (Type %s to exit %s)"
7150 (single-key-description cmd)
7151 gnus-newsgroup-name))))
7152 ;; Confirm auto selection.
7153 (setq key (car (setq keve (gnus-read-event-char prompt)))
7156 ((assq key keystrokes)
7157 (let ((obuf (current-buffer)))
7158 (switch-to-buffer gnus-group-buffer)
7160 (gnus-group-jump-to-group group))
7161 (eval (cadr (assq key keystrokes)))
7162 (setq group (gnus-group-group-name))
7163 (switch-to-buffer obuf))
7167 (gnus-ephemeral-group-p gnus-newsgroup-name))
7169 (gnus-summary-next-group nil group backward)))
7171 (push (cdr keve) unread-command-events))))))
7173 (defun gnus-summary-next-unread-article ()
7174 "Select unread article after current one."
7176 (gnus-summary-next-article
7177 (or (not (eq gnus-summary-goto-unread 'never))
7178 (gnus-summary-last-article-p (gnus-summary-article-number)))
7179 (and gnus-auto-select-same
7180 (gnus-summary-article-subject))))
7182 (defun gnus-summary-prev-article (&optional unread subject)
7183 "Select the article after the current one.
7184 If UNREAD is non-nil, only unread articles are selected."
7186 (gnus-summary-next-article unread subject t))
7188 (defun gnus-summary-prev-unread-article ()
7189 "Select unread article before current one."
7191 (gnus-summary-prev-article
7192 (or (not (eq gnus-summary-goto-unread 'never))
7193 (gnus-summary-first-article-p (gnus-summary-article-number)))
7194 (and gnus-auto-select-same
7195 (gnus-summary-article-subject))))
7197 (defun gnus-summary-next-page (&optional lines circular stop)
7198 "Show next page of the selected article.
7199 If at the end of the current article, select the next article.
7200 LINES says how many lines should be scrolled up.
7202 If CIRCULAR is non-nil, go to the start of the article instead of
7203 selecting the next article when reaching the end of the current
7206 If STOP is non-nil, just stop when reaching the end of the message.
7208 Also see the variable `gnus-article-skip-boring'."
7210 (setq gnus-summary-buffer (current-buffer))
7211 (gnus-set-global-variables)
7212 (let ((article (gnus-summary-article-number))
7213 (article-window (get-buffer-window gnus-article-buffer t))
7215 ;; If the buffer is empty, we have no article.
7217 (error "No article to select"))
7218 (gnus-configure-windows 'article)
7219 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7220 (if (and (eq gnus-summary-goto-unread 'never)
7221 (not (gnus-summary-last-article-p article)))
7222 (gnus-summary-next-article)
7223 (gnus-summary-next-unread-article))
7224 (if (or (null gnus-current-article)
7225 (null gnus-article-current)
7226 (/= article (cdr gnus-article-current))
7227 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7228 ;; Selected subject is different from current article's.
7229 (gnus-summary-display-article article)
7230 (when article-window
7231 (gnus-eval-in-buffer-window gnus-article-buffer
7232 (setq endp (or (gnus-article-next-page lines)
7233 (gnus-article-only-boring-p))))
7236 (gnus-message 3 "End of message"))
7238 (gnus-summary-beginning-of-article))
7240 (gnus-message 3 "End of message"))
7242 (if (and (eq gnus-summary-goto-unread 'never)
7243 (not (gnus-summary-last-article-p article)))
7244 (gnus-summary-next-article)
7245 (gnus-summary-next-unread-article))))))))
7246 (gnus-summary-recenter)
7247 (gnus-summary-position-point)))
7249 (defun gnus-summary-prev-page (&optional lines move)
7250 "Show previous page of selected article.
7251 Argument LINES specifies lines to be scrolled down.
7252 If MOVE, move to the previous unread article if point is at
7253 the beginning of the buffer."
7255 (let ((article (gnus-summary-article-number))
7256 (article-window (get-buffer-window gnus-article-buffer t))
7258 (gnus-configure-windows 'article)
7259 (if (or (null gnus-current-article)
7260 (null gnus-article-current)
7261 (/= article (cdr gnus-article-current))
7262 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7263 ;; Selected subject is different from current article's.
7264 (gnus-summary-display-article article)
7265 (gnus-summary-recenter)
7266 (when article-window
7267 (gnus-eval-in-buffer-window gnus-article-buffer
7268 (setq endp (gnus-article-prev-page lines)))
7269 (when (and move endp)
7271 (gnus-message 3 "Beginning of message"))
7273 (if (and (eq gnus-summary-goto-unread 'never)
7274 (not (gnus-summary-first-article-p article)))
7275 (gnus-summary-prev-article)
7276 (gnus-summary-prev-unread-article))))))))
7277 (gnus-summary-position-point))
7279 (defun gnus-summary-prev-page-or-article (&optional lines)
7280 "Show previous page of selected article.
7281 Argument LINES specifies lines to be scrolled down.
7282 If at the beginning of the article, go to the next article."
7284 (gnus-summary-prev-page lines t))
7286 (defun gnus-summary-scroll-up (lines)
7287 "Scroll up (or down) one line current article.
7288 Argument LINES specifies lines to be scrolled up (or down if negative)."
7290 (gnus-configure-windows 'article)
7291 (gnus-summary-show-thread)
7292 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7293 (gnus-eval-in-buffer-window gnus-article-buffer
7295 (when (gnus-article-next-page lines)
7296 (gnus-message 3 "End of message")))
7298 (gnus-article-prev-page (- lines))))))
7299 (gnus-summary-recenter)
7300 (gnus-summary-position-point))
7302 (defun gnus-summary-scroll-down (lines)
7303 "Scroll down (or up) one line current article.
7304 Argument LINES specifies lines to be scrolled down (or up if negative)."
7306 (gnus-summary-scroll-up (- lines)))
7308 (defun gnus-summary-next-same-subject ()
7309 "Select next article which has the same subject as current one."
7311 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7313 (defun gnus-summary-prev-same-subject ()
7314 "Select previous article which has the same subject as current one."
7316 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7318 (defun gnus-summary-next-unread-same-subject ()
7319 "Select next unread article which has the same subject as current one."
7321 (gnus-summary-next-article t (gnus-summary-article-subject)))
7323 (defun gnus-summary-prev-unread-same-subject ()
7324 "Select previous unread article which has the same subject as current one."
7326 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7328 (defun gnus-summary-first-unread-article ()
7329 "Select the first unread article.
7330 Return nil if there are no unread articles."
7333 (when (gnus-summary-first-subject t)
7334 (gnus-summary-show-thread)
7335 (gnus-summary-first-subject t)
7336 (gnus-summary-display-article (gnus-summary-article-number)))
7337 (gnus-summary-position-point)))
7339 (defun gnus-summary-first-unread-subject ()
7340 "Place the point on the subject line of the first unread article.
7341 Return nil if there are no unread articles."
7344 (when (gnus-summary-first-subject t)
7345 (gnus-summary-show-thread)
7346 (gnus-summary-first-subject t))
7347 (gnus-summary-position-point)))
7349 (defun gnus-summary-first-unseen-subject ()
7350 "Place the point on the subject line of the first unseen article.
7351 Return nil if there are no unseen articles."
7354 (when (gnus-summary-first-subject nil nil t)
7355 (gnus-summary-show-thread)
7356 (gnus-summary-first-subject nil nil t))
7357 (gnus-summary-position-point)))
7359 (defun gnus-summary-first-unseen-or-unread-subject ()
7360 "Place the point on the subject line of the first unseen article or,
7361 if all article have been seen, on the subject line of the first unread
7365 (unless (when (gnus-summary-first-subject nil nil t)
7366 (gnus-summary-show-thread)
7367 (gnus-summary-first-subject nil nil t))
7368 (when (gnus-summary-first-subject t)
7369 (gnus-summary-show-thread)
7370 (gnus-summary-first-subject t)))
7371 (gnus-summary-position-point)))
7373 (defun gnus-summary-first-article ()
7374 "Select the first article.
7375 Return nil if there are no articles."
7378 (when (gnus-summary-first-subject)
7379 (gnus-summary-show-thread)
7380 (gnus-summary-first-subject)
7381 (gnus-summary-display-article (gnus-summary-article-number)))
7382 (gnus-summary-position-point)))
7384 (defun gnus-summary-best-unread-article (&optional arg)
7385 "Select the unread article with the highest score.
7386 If given a prefix argument, select the next unread article that has a
7387 score higher than the default score."
7389 (let ((article (if arg
7390 (gnus-summary-better-unread-subject)
7391 (gnus-summary-best-unread-subject))))
7393 (gnus-summary-goto-article article)
7394 (error "No unread articles"))))
7396 (defun gnus-summary-best-unread-subject ()
7397 "Select the unread subject with the highest score."
7399 (let ((best -1000000)
7400 (data gnus-newsgroup-data)
7403 (and (gnus-data-unread-p (car data))
7405 (gnus-summary-article-score (gnus-data-number (car data))))
7408 article (gnus-data-number (car data))))
7409 (setq data (cdr data)))
7411 (gnus-summary-goto-subject article))
7412 (gnus-summary-position-point)
7415 (defun gnus-summary-better-unread-subject ()
7416 "Select the first unread subject that has a score over the default score."
7418 (let ((data gnus-newsgroup-data)
7420 (while (and (setq article (gnus-data-number (car data)))
7421 (or (gnus-data-read-p (car data))
7422 (not (> (gnus-summary-article-score article)
7423 gnus-summary-default-score))))
7424 (setq data (cdr data)))
7426 (gnus-summary-goto-subject article))
7427 (gnus-summary-position-point)
7430 (defun gnus-summary-last-subject ()
7431 "Go to the last displayed subject line in the group."
7432 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7434 (gnus-summary-goto-subject article))))
7436 (defun gnus-summary-goto-article (article &optional all-headers force)
7437 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7438 If ALL-HEADERS is non-nil, no header lines are hidden.
7439 If FORCE, go to the article even if it isn't displayed. If FORCE
7440 is a number, it is the line the article is to be displayed on."
7444 "Article number or Message-ID: "
7445 (mapcar (lambda (number) (list (int-to-string number)))
7446 gnus-newsgroup-limit))
7450 (if (and (stringp article)
7451 (string-match "@" article))
7452 (gnus-summary-refer-article article)
7453 (when (stringp article)
7454 (setq article (string-to-number article)))
7455 (if (gnus-summary-goto-subject article force)
7456 (gnus-summary-display-article article all-headers)
7457 (gnus-message 4 "Couldn't go to article %s" article) nil))
7458 (gnus-summary-position-point)))
7460 (defun gnus-summary-goto-last-article ()
7461 "Go to the previously read article."
7464 (when gnus-last-article
7465 (gnus-summary-goto-article gnus-last-article nil t))
7466 (gnus-summary-position-point)))
7468 (defun gnus-summary-pop-article (number)
7469 "Pop one article off the history and go to the previous.
7470 NUMBER articles will be popped off."
7473 (setq gnus-newsgroup-history
7474 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7476 (gnus-summary-goto-article (car to) nil t)
7477 (error "Article history empty")))
7478 (gnus-summary-position-point))
7480 ;; Summary commands and functions for limiting the summary buffer.
7482 (defun gnus-summary-limit-to-articles (n)
7483 "Limit the summary buffer to the next N articles.
7484 If not given a prefix, use the process marked articles instead."
7487 (let ((articles (gnus-summary-work-articles n)))
7488 (setq gnus-newsgroup-processable nil)
7489 (gnus-summary-limit articles))
7490 (gnus-summary-position-point)))
7492 (defun gnus-summary-pop-limit (&optional total)
7493 "Restore the previous limit.
7494 If given a prefix, remove all limits."
7497 (setq gnus-newsgroup-limits
7498 (list (mapcar (lambda (h) (mail-header-number h))
7499 gnus-newsgroup-headers))))
7500 (unless gnus-newsgroup-limits
7501 (error "No limit to pop"))
7503 (gnus-summary-limit nil 'pop)
7504 (gnus-summary-position-point)))
7506 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7507 "Limit the summary buffer to articles that have subjects that match a regexp.
7508 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7510 (list (read-string (if current-prefix-arg
7511 "Exclude subject (regexp): "
7512 "Limit to subject (regexp): "))
7513 nil current-prefix-arg))
7515 (setq header "subject"))
7516 (when (not (equal "" subject))
7518 (let ((articles (gnus-summary-find-matching
7519 (or header "subject") subject 'all nil nil
7522 (error "Found no matches for \"%s\"" subject))
7523 (gnus-summary-limit articles))
7524 (gnus-summary-position-point))))
7526 (defun gnus-summary-limit-to-author (from &optional not-matching)
7527 "Limit the summary buffer to articles that have authors that match a regexp.
7528 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7530 (list (read-string (if current-prefix-arg
7531 "Exclude author (regexp): "
7532 "Limit to author (regexp): "))
7533 current-prefix-arg))
7534 (gnus-summary-limit-to-subject from "from" not-matching))
7536 (defun gnus-summary-limit-to-age (age &optional younger-p)
7537 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7538 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7539 articles that are younger than AGE days."
7541 (let ((younger current-prefix-arg)
7544 (while (not days-got)
7545 (setq days (if younger
7546 (read-string "Limit to articles younger than (in days, older when negative): ")
7548 "Limit to articles older than (in days, younger when negative): ")))
7549 (when (> (length days) 0)
7550 (setq days (read days)))
7556 (setq younger (not younger))
7557 (setq days (* days -1)))))
7558 (message "Please enter a number.")
7560 (list days younger)))
7562 (let ((data gnus-newsgroup-data)
7563 (cutoff (days-to-time age))
7564 articles d date is-younger)
7565 (while (setq d (pop data))
7566 (when (and (vectorp (gnus-data-header d))
7567 (setq date (mail-header-date (gnus-data-header d))))
7568 (setq is-younger (time-less-p
7569 (time-since (condition-case ()
7576 (push (gnus-data-number d) articles))))
7577 (gnus-summary-limit (nreverse articles)))
7578 (gnus-summary-position-point)))
7580 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7581 "Limit the summary buffer to articles that match an 'extra' header."
7585 (gnus-completing-read-with-default
7586 (symbol-name (car gnus-extra-headers))
7587 (if current-prefix-arg
7588 "Exclude extra header:"
7589 "Limit extra header:")
7591 (cons (symbol-name x) x))
7596 (read-string (format "%s header %s (regexp): "
7597 (if current-prefix-arg "Exclude" "Limit to")
7599 current-prefix-arg)))
7600 (when (not (equal "" regexp))
7602 (let ((articles (gnus-summary-find-matching
7603 (cons 'extra header) regexp 'all nil nil
7606 (error "Found no matches for \"%s\"" regexp))
7607 (gnus-summary-limit articles))
7608 (gnus-summary-position-point))))
7610 (defun gnus-summary-limit-to-display-predicate ()
7611 "Limit the summary buffer to the predicated in the `display' group parameter."
7613 (unless gnus-newsgroup-display
7614 (error "There is no `display' group parameter"))
7616 (dolist (number gnus-newsgroup-articles)
7617 (when (funcall gnus-newsgroup-display)
7618 (push number articles)))
7619 (gnus-summary-limit articles))
7620 (gnus-summary-position-point))
7622 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7624 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7626 (defun gnus-summary-limit-to-unread (&optional all)
7627 "Limit the summary buffer to articles that are not marked as read.
7628 If ALL is non-nil, limit strictly to unread articles."
7631 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7632 (gnus-summary-limit-to-marks
7633 ;; Concat all the marks that say that an article is read and have
7635 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7636 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7637 gnus-low-score-mark gnus-expirable-mark
7638 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7639 gnus-duplicate-mark gnus-souped-mark)
7642 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7643 (make-obsolete 'gnus-summary-delete-marked-with
7644 'gnus-summary-limit-exclude-marks)
7646 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7647 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7648 If REVERSE, limit the summary buffer to articles that are marked
7649 with MARKS. MARKS can either be a string of marks or a list of marks.
7650 Returns how many articles were removed."
7651 (interactive "sMarks: ")
7652 (gnus-summary-limit-to-marks marks t))
7654 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7655 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7656 If REVERSE (the prefix), limit the summary buffer to articles that are
7657 not marked with MARKS. MARKS can either be a string of marks or a
7659 Returns how many articles were removed."
7660 (interactive "sMarks: \nP")
7662 (let ((data gnus-newsgroup-data)
7663 (marks (if (listp marks) marks
7664 (append marks nil))) ; Transform to list.
7667 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7668 (memq (gnus-data-mark (car data)) marks))
7669 (push (gnus-data-number (car data)) articles))
7670 (setq data (cdr data)))
7671 (gnus-summary-limit articles))
7672 (gnus-summary-position-point)))
7674 (defun gnus-summary-limit-to-score (score)
7675 "Limit to articles with score at or above SCORE."
7676 (interactive "NLimit to articles with score of at least: ")
7677 (let ((data gnus-newsgroup-data)
7680 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7682 (push (gnus-data-number (car data)) articles))
7683 (setq data (cdr data)))
7685 (gnus-summary-limit articles)
7686 (gnus-summary-position-point))))
7688 (defun gnus-summary-limit-to-unseen ()
7689 "Limit to unseen articles."
7692 (gnus-summary-limit gnus-newsgroup-unseen)
7693 (gnus-summary-position-point)))
7695 (defun gnus-summary-limit-include-thread (id)
7696 "Display all the hidden articles that is in the thread with ID in it.
7697 When called interactively, ID is the Message-ID of the current
7699 (interactive (list (mail-header-id (gnus-summary-article-header))))
7700 (let ((articles (gnus-articles-in-thread
7701 (gnus-id-to-thread (gnus-root-id id)))))
7703 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7704 (gnus-summary-limit-include-matching-articles
7706 (regexp-quote (gnus-simplify-subject-re
7707 (mail-header-subject (gnus-id-to-header id)))))
7708 (gnus-summary-position-point))))
7710 (defun gnus-summary-limit-include-matching-articles (header regexp)
7711 "Display all the hidden articles that have HEADERs that match REGEXP."
7712 (interactive (list (read-string "Match on header: ")
7713 (read-string "Regexp: ")))
7714 (let ((articles (gnus-find-matching-articles header regexp)))
7716 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7717 (gnus-summary-position-point))))
7719 (defun gnus-summary-insert-dormant-articles ()
7720 "Insert all the dormant articles for this group into the current buffer."
7722 (let ((gnus-verbose (max 6 gnus-verbose)))
7723 (if (not gnus-newsgroup-dormant)
7724 (gnus-message 3 "No cached articles for this group")
7725 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7727 (defun gnus-summary-limit-include-dormant ()
7728 "Display all the hidden articles that are marked as dormant.
7729 Note that this command only works on a subset of the articles currently
7730 fetched for this group."
7732 (unless gnus-newsgroup-dormant
7733 (error "There are no dormant articles in this group"))
7735 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7736 (gnus-summary-position-point)))
7738 (defun gnus-summary-limit-exclude-dormant ()
7739 "Hide all dormant articles."
7742 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7743 (gnus-summary-position-point)))
7745 (defun gnus-summary-limit-exclude-childless-dormant ()
7746 "Hide all dormant articles that have no children."
7748 (let ((data (gnus-data-list t))
7749 articles d children)
7750 ;; Find all articles that are either not dormant or have
7752 (while (setq d (pop data))
7753 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7755 (gnus-article-children (gnus-data-number d)))
7758 (when (memq (car children) articles)
7763 (push (gnus-data-number d) articles)))
7766 (gnus-summary-limit articles)
7767 (gnus-summary-position-point))))
7769 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7770 "Mark all unread excluded articles as read.
7771 If ALL, mark even excluded ticked and dormants as read."
7773 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7774 (let ((articles (gnus-sorted-ndifference
7776 (mapcar (lambda (h) (mail-header-number h))
7777 gnus-newsgroup-headers)
7779 gnus-newsgroup-limit))
7781 (setq gnus-newsgroup-unreads
7782 (gnus-sorted-intersection gnus-newsgroup-unreads
7783 gnus-newsgroup-limit))
7785 (setq gnus-newsgroup-dormant nil
7786 gnus-newsgroup-marked nil
7787 gnus-newsgroup-reads
7789 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7790 gnus-newsgroup-reads))
7791 (while (setq article (pop articles))
7792 (unless (or (memq article gnus-newsgroup-dormant)
7793 (memq article gnus-newsgroup-marked))
7794 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7796 (defun gnus-summary-limit (articles &optional pop)
7798 ;; We pop the previous limit off the stack and use that.
7799 (setq articles (car gnus-newsgroup-limits)
7800 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7801 ;; We use the new limit, so we push the old limit on the stack.
7802 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7804 (setq gnus-newsgroup-limit articles)
7805 (let ((total (length gnus-newsgroup-data))
7806 (data (gnus-data-find-list (gnus-summary-article-number)))
7807 (gnus-summary-mark-below nil) ; Inhibit this.
7809 ;; This will do all the work of generating the new summary buffer
7810 ;; according to the new limit.
7811 (gnus-summary-prepare)
7812 ;; Hide any threads, possibly.
7813 (gnus-summary-maybe-hide-threads)
7814 ;; Try to return to the article you were at, or one in the
7817 ;; We try to find some article after the current one.
7819 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7822 (setq data (cdr data))))
7824 ;; If there is no data, that means that we were after the last
7825 ;; article. The same goes when we can't find any articles
7826 ;; after the current one.
7827 (goto-char (point-max))
7828 (gnus-summary-find-prev))
7829 (gnus-set-mode-line 'summary)
7830 ;; We return how many articles were removed from the summary
7831 ;; buffer as a result of the new limit.
7832 (- total (length gnus-newsgroup-data))))
7834 (defsubst gnus-invisible-cut-children (threads)
7837 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7842 (defsubst gnus-cut-thread (thread)
7843 "Go forwards in the thread until we find an article that we want to display."
7844 (when (or (eq gnus-fetch-old-headers 'some)
7845 (eq gnus-fetch-old-headers 'invisible)
7846 (numberp gnus-fetch-old-headers)
7847 (eq gnus-build-sparse-threads 'some)
7848 (eq gnus-build-sparse-threads 'more))
7849 ;; Deal with old-fetched headers and sparse threads.
7853 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7854 (gnus-summary-article-ancient-p
7855 (mail-header-number (car thread))))
7856 (if (or (<= (length (cdr thread)) 1)
7857 (eq gnus-fetch-old-headers 'invisible))
7858 (setq gnus-newsgroup-limit
7859 (delq (mail-header-number (car thread))
7860 gnus-newsgroup-limit)
7861 thread (cadr thread))
7862 (when (gnus-invisible-cut-children (cdr thread))
7863 (let ((th (cdr thread)))
7865 (if (memq (mail-header-number (caar th))
7866 gnus-newsgroup-limit)
7867 (setq thread (car th)
7869 (setq th (cdr th))))))))))
7872 (defun gnus-cut-threads (threads)
7873 "Cut off all uninteresting articles from the beginning of THREADS."
7874 (when (or (eq gnus-fetch-old-headers 'some)
7875 (eq gnus-fetch-old-headers 'invisible)
7876 (numberp gnus-fetch-old-headers)
7877 (eq gnus-build-sparse-threads 'some)
7878 (eq gnus-build-sparse-threads 'more))
7881 (setcar th (gnus-cut-thread (car th)))
7882 (setq th (cdr th)))))
7883 ;; Remove nixed out threads.
7886 (defun gnus-summary-initial-limit (&optional show-if-empty)
7887 "Figure out what the initial limit is supposed to be on group entry.
7888 This entails weeding out unwanted dormants, low-scored articles,
7889 fetch-old-headers verbiage, and so on."
7890 ;; Most groups have nothing to remove.
7891 (if (or gnus-inhibit-limiting
7892 (and (null gnus-newsgroup-dormant)
7893 (eq gnus-newsgroup-display 'gnus-not-ignore)
7894 (not (eq gnus-fetch-old-headers 'some))
7895 (not (numberp gnus-fetch-old-headers))
7896 (not (eq gnus-fetch-old-headers 'invisible))
7897 (null gnus-summary-expunge-below)
7898 (not (eq gnus-build-sparse-threads 'some))
7899 (not (eq gnus-build-sparse-threads 'more))
7900 (null gnus-thread-expunge-below)
7901 (not gnus-use-nocem)))
7903 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7904 (setq gnus-newsgroup-limit nil)
7907 (unless (car (symbol-value node))
7908 ;; These threads have no parents -- they are roots.
7909 (let ((nodes (cdr (symbol-value node)))
7912 (if (and gnus-thread-expunge-below
7913 (< (gnus-thread-total-score (car nodes))
7914 gnus-thread-expunge-below))
7915 (gnus-expunge-thread (pop nodes))
7916 (setq thread (pop nodes))
7917 (gnus-summary-limit-children thread))))))
7918 gnus-newsgroup-dependencies)
7919 ;; If this limitation resulted in an empty group, we might
7920 ;; pop the previous limit and use it instead.
7921 (when (and (not gnus-newsgroup-limit)
7923 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7924 gnus-newsgroup-limit))
7926 (defun gnus-summary-limit-children (thread)
7927 "Return 1 if this subthread is visible and 0 if it is not."
7928 ;; First we get the number of visible children to this thread. This
7929 ;; is done by recursing down the thread using this function, so this
7930 ;; will really go down to a leaf article first, before slowly
7931 ;; working its way up towards the root.
7933 (let* ((max-lisp-eval-depth 5000)
7936 (apply '+ (mapcar 'gnus-summary-limit-children
7939 (number (mail-header-number (car thread)))
7942 (not (memq number gnus-newsgroup-marked))
7944 ;; If this article is dormant and has absolutely no visible
7945 ;; children, then this article isn't visible.
7946 (and (memq number gnus-newsgroup-dormant)
7948 ;; If this is "fetch-old-headered" and there is no
7949 ;; visible children, then we don't want this article.
7950 (and (or (eq gnus-fetch-old-headers 'some)
7951 (numberp gnus-fetch-old-headers))
7952 (gnus-summary-article-ancient-p number)
7954 ;; If this is "fetch-old-headered" and `invisible', then
7955 ;; we don't want this article.
7956 (and (eq gnus-fetch-old-headers 'invisible)
7957 (gnus-summary-article-ancient-p number))
7958 ;; If this is a sparsely inserted article with no children,
7959 ;; we don't want it.
7960 (and (eq gnus-build-sparse-threads 'some)
7961 (gnus-summary-article-sparse-p number)
7963 ;; If we use expunging, and this article is really
7964 ;; low-scored, then we don't want this article.
7965 (when (and gnus-summary-expunge-below
7967 (or (cdr (assq number gnus-newsgroup-scored))
7968 gnus-summary-default-score))
7969 gnus-summary-expunge-below))
7970 ;; We increase the expunge-tally here, but that has
7971 ;; nothing to do with the limits, really.
7972 (incf gnus-newsgroup-expunged-tally)
7973 ;; We also mark as read here, if that's wanted.
7974 (when (and gnus-summary-mark-below
7975 (< score gnus-summary-mark-below))
7976 (setq gnus-newsgroup-unreads
7977 (delq number gnus-newsgroup-unreads))
7978 (if gnus-newsgroup-auto-expire
7979 (push number gnus-newsgroup-expirable)
7980 (push (cons number gnus-low-score-mark)
7981 gnus-newsgroup-reads)))
7983 ;; Do the `display' group parameter.
7984 (and gnus-newsgroup-display
7985 (not (funcall gnus-newsgroup-display)))
7986 ;; Check NoCeM things.
7987 (if (and gnus-use-nocem
7988 (gnus-nocem-unwanted-article-p
7989 (mail-header-id (car thread))))
7991 (setq gnus-newsgroup-unreads
7992 (delq number gnus-newsgroup-unreads))
7994 ;; Nope, invisible article.
7996 ;; Ok, this article is to be visible, so we add it to the limit
7998 (push number gnus-newsgroup-limit)
8001 (defun gnus-expunge-thread (thread)
8002 "Mark all articles in THREAD as read."
8003 (let* ((number (mail-header-number (car thread))))
8004 (incf gnus-newsgroup-expunged-tally)
8005 ;; We also mark as read here, if that's wanted.
8006 (setq gnus-newsgroup-unreads
8007 (delq number gnus-newsgroup-unreads))
8008 (if gnus-newsgroup-auto-expire
8009 (push number gnus-newsgroup-expirable)
8010 (push (cons number gnus-low-score-mark)
8011 gnus-newsgroup-reads)))
8012 ;; Go recursively through all subthreads.
8013 (mapcar 'gnus-expunge-thread (cdr thread)))
8015 ;; Summary article oriented commands
8017 (defun gnus-summary-refer-parent-article (n)
8018 "Refer parent article N times.
8019 If N is negative, go to ancestor -N instead.
8020 The difference between N and the number of articles fetched is returned."
8024 (when (not (natnump n))
8029 (setq header (gnus-summary-article-header))
8030 (if (and (eq (mail-header-number header)
8031 (cdr gnus-article-current))
8032 (equal gnus-newsgroup-name
8033 (car gnus-article-current)))
8034 ;; If we try to find the parent of the currently
8035 ;; displayed article, then we take a look at the actual
8036 ;; References header, since this is slightly more
8037 ;; reliable than the References field we got from the
8040 (set-buffer gnus-original-article-buffer)
8041 (nnheader-narrow-to-headers)
8042 (unless (setq ref (message-fetch-field "references"))
8043 (when (setq ref (message-fetch-field "in-reply-to"))
8044 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8047 ;; It's not the current article, so we take a bet on
8048 ;; the value we got from the server.
8049 (mail-header-references header)))
8051 (not (equal ref "")))
8052 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8053 (gnus-message 1 "Couldn't find parent"))
8054 (gnus-message 1 "No references in article %d"
8055 (gnus-summary-article-number))
8058 (gnus-summary-position-point)
8061 (defun gnus-summary-refer-references ()
8062 "Fetch all articles mentioned in the References header.
8063 Return the number of articles fetched."
8065 (let ((ref (mail-header-references (gnus-summary-article-header)))
8066 (current (gnus-summary-article-number))
8070 (error "No References in the current article")
8071 ;; For each Message-ID in the References header...
8072 (while (string-match "<[^>]*>" ref)
8074 ;; ... fetch that article.
8075 (gnus-summary-refer-article
8076 (prog1 (match-string 0 ref)
8077 (setq ref (substring ref (match-end 0))))))
8078 (gnus-summary-goto-subject current)
8079 (gnus-summary-position-point)
8082 (defun gnus-summary-refer-thread (&optional limit)
8083 "Fetch all articles in the current thread.
8084 If LIMIT (the numerical prefix), fetch that many old headers instead
8085 of what's specified by the `gnus-refer-thread-limit' variable."
8087 (let ((id (mail-header-id (gnus-summary-article-header)))
8088 (limit (if limit (prefix-numeric-value limit)
8089 gnus-refer-thread-limit)))
8090 (unless (eq gnus-fetch-old-headers 'invisible)
8091 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8092 ;; Retrieve the headers and read them in.
8093 (if (eq (if (numberp limit)
8094 (gnus-retrieve-headers
8096 (+ (mail-header-number
8097 (gnus-summary-article-header))
8099 gnus-newsgroup-end))
8100 gnus-newsgroup-name (* limit 2))
8101 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8103 (gnus-retrieve-headers (list gnus-newsgroup-end)
8104 gnus-newsgroup-name limit))
8106 (gnus-build-all-threads)
8107 (error "Can't fetch thread from back ends that don't support NOV"))
8108 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8109 (gnus-summary-limit-include-thread id)))
8111 (defun gnus-summary-refer-article (message-id)
8112 "Fetch an article specified by MESSAGE-ID."
8113 (interactive "sMessage-ID: ")
8114 (when (and (stringp message-id)
8115 (not (zerop (length message-id))))
8116 (setq message-id (gnus-replace-in-string message-id " " ""))
8117 ;; Construct the correct Message-ID if necessary.
8118 ;; Suggested by tale@pawl.rpi.edu.
8119 (unless (string-match "^<" message-id)
8120 (setq message-id (concat "<" message-id)))
8121 (unless (string-match ">$" message-id)
8122 (setq message-id (concat message-id ">")))
8123 (let* ((header (gnus-id-to-header message-id))
8125 (gnus-summary-article-sparse-p
8126 (mail-header-number header))
8127 (memq (mail-header-number header)
8128 gnus-newsgroup-limit)))
8131 ;; If the article is present in the buffer we just go to it.
8133 (or (not (gnus-summary-article-sparse-p
8134 (mail-header-number header)))
8137 (gnus-summary-goto-article
8138 (mail-header-number header) nil t)
8140 (gnus-summary-update-article (mail-header-number header)))))
8142 ;; We fetch the article.
8144 (dolist (gnus-override-method (gnus-refer-article-methods))
8145 (when (and (gnus-check-server gnus-override-method)
8146 ;; Fetch the header,
8147 (setq number (gnus-summary-insert-subject message-id)))
8148 ;; and display the article.
8149 (gnus-summary-select-article nil nil nil number)
8151 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8153 (defun gnus-refer-article-methods ()
8154 "Return a list of referable methods."
8156 ;; No method, so we default to current and native.
8157 ((null gnus-refer-article-method)
8158 (list gnus-current-select-method gnus-select-method))
8160 ((eq 'current gnus-refer-article-method)
8161 (list gnus-current-select-method))
8162 ;; List of select methods.
8163 ((not (and (symbolp (car gnus-refer-article-method))
8164 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8166 (dolist (method gnus-refer-article-method)
8167 (push (if (eq 'current method)
8168 gnus-current-select-method
8172 ;; One single select method.
8174 (list gnus-refer-article-method))))
8176 (defun gnus-summary-edit-parameters ()
8177 "Edit the group parameters of the current group."
8179 (gnus-group-edit-group gnus-newsgroup-name 'params))
8181 (defun gnus-summary-customize-parameters ()
8182 "Customize the group parameters of the current group."
8184 (gnus-group-customize gnus-newsgroup-name))
8186 (defun gnus-summary-enter-digest-group (&optional force)
8187 "Enter an nndoc group based on the current article.
8188 If FORCE, force a digest interpretation. If not, try
8189 to guess what the document format is."
8191 (let ((conf gnus-current-window-configuration))
8192 (save-window-excursion
8194 (let (gnus-article-prepare-hook
8195 gnus-display-mime-function
8197 (gnus-summary-select-article))))
8198 (setq gnus-current-window-configuration conf)
8199 (let* ((name (format "%s-%d"
8200 (gnus-group-prefixed-name
8201 gnus-newsgroup-name (list 'nndoc ""))
8203 (set-buffer gnus-summary-buffer)
8204 gnus-current-article)))
8205 (ogroup gnus-newsgroup-name)
8206 (params (append (gnus-info-params (gnus-get-info ogroup))
8207 (list (cons 'to-group ogroup))
8208 (list (cons 'parent-group ogroup))
8209 (list (cons 'save-article-group ogroup))))
8210 (case-fold-search t)
8211 (buf (current-buffer))
8214 (set-buffer gnus-original-article-buffer)
8215 ;; Have the digest group inherit the main mail address of
8216 ;; the parent article.
8217 (when (setq to-address (or (gnus-fetch-field "reply-to")
8218 (gnus-fetch-field "from")))
8219 (setq params (append
8220 (list (cons 'to-address
8221 (funcall gnus-decode-encoded-word-function
8223 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8224 (insert-buffer-substring gnus-original-article-buffer)
8225 ;; Remove lines that may lead nndoc to misinterpret the
8228 (goto-char (point-min))
8229 (or (search-forward "\n\n" nil t) (point)))
8230 (goto-char (point-min))
8231 (delete-matching-lines "^Path:\\|^From ")
8234 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8235 (gnus-newsgroup-ephemeral-ignored-charsets
8236 gnus-newsgroup-ignored-charsets))
8237 (gnus-group-read-ephemeral-group
8238 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8240 ,(if force 'mbox 'guess)))
8242 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8244 ;; Make all postings to this group go to the parent group.
8245 (nconc (gnus-info-params (gnus-get-info name))
8247 ;; Couldn't select this doc group.
8248 (switch-to-buffer buf)
8249 (gnus-set-global-variables)
8250 (gnus-configure-windows 'summary)
8251 (gnus-message 3 "Article couldn't be entered?"))
8252 (kill-buffer dig)))))
8254 (defun gnus-summary-read-document (n)
8255 "Open a new group based on the current article(s).
8256 This will allow you to read digests and other similar
8257 documents as newsgroups.
8258 Obeys the standard process/prefix convention."
8260 (let* ((articles (gnus-summary-work-articles n))
8261 (ogroup gnus-newsgroup-name)
8262 (params (append (gnus-info-params (gnus-get-info ogroup))
8263 (list (cons 'to-group ogroup))))
8264 article group egroup groups vgroup)
8265 (while (setq article (pop articles))
8266 (setq group (format "%s-%d" gnus-newsgroup-name article))
8267 (gnus-summary-remove-process-mark article)
8268 (when (gnus-summary-display-article article)
8271 (insert-buffer-substring gnus-original-article-buffer)
8272 ;; Remove some headers that may lead nndoc to make
8274 (message-narrow-to-head)
8275 (goto-char (point-min))
8276 (delete-matching-lines "^\\(Path\\):\\|^From ")
8279 (gnus-group-read-ephemeral-group
8280 group `(nndoc ,group (nndoc-address ,(current-buffer))
8281 (nndoc-article-type guess))
8284 ;; Make all postings to this group go to the parent group.
8285 (nconc (gnus-info-params (gnus-get-info egroup))
8287 (push egroup groups))
8288 ;; Couldn't select this doc group.
8289 (gnus-error 3 "Article couldn't be entered"))))))
8290 ;; Now we have selected all the documents.
8293 (error "None of the articles could be interpreted as documents"))
8294 ((gnus-group-read-ephemeral-group
8295 (setq vgroup (format
8296 "nnvirtual:%s-%s" gnus-newsgroup-name
8297 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8298 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8300 (cons (current-buffer) 'summary)))
8302 (error "Couldn't select virtual nndoc group")))))
8304 (defun gnus-summary-isearch-article (&optional regexp-p)
8305 "Do incremental search forward on the current article.
8306 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8308 (let* ((gnus-inhibit-treatment t)
8309 (old (gnus-summary-select-article)))
8310 (gnus-configure-windows 'article)
8311 (gnus-eval-in-buffer-window gnus-article-buffer
8315 (gnus-article-show-all-headers))
8316 (goto-char (point-min))
8317 (isearch-forward regexp-p)))))
8319 (defun gnus-summary-search-article-forward (regexp &optional backward)
8320 "Search for an article containing REGEXP forward.
8321 If BACKWARD, search backward instead."
8324 (format "Search article %s (regexp%s): "
8325 (if current-prefix-arg "backward" "forward")
8326 (if gnus-last-search-regexp
8327 (concat ", default " gnus-last-search-regexp)
8329 current-prefix-arg))
8330 (if (string-equal regexp "")
8331 (setq regexp (or gnus-last-search-regexp ""))
8332 (setq gnus-last-search-regexp regexp)
8333 (setq gnus-article-before-search gnus-current-article))
8334 ;; Intentionally set gnus-last-article.
8335 (setq gnus-last-article gnus-article-before-search)
8336 (let ((gnus-last-article gnus-last-article))
8337 (if (gnus-summary-search-article regexp backward)
8338 (gnus-summary-show-thread)
8339 (error "Search failed: \"%s\"" regexp))))
8341 (defun gnus-summary-search-article-backward (regexp)
8342 "Search for an article containing REGEXP backward."
8345 (format "Search article backward (regexp%s): "
8346 (if gnus-last-search-regexp
8347 (concat ", default " gnus-last-search-regexp)
8349 (gnus-summary-search-article-forward regexp 'backward))
8352 (defmacro gnus-summary-search-article-position-point (regexp backward)
8353 "Dehighlight the last matched text and goto the beginning position."
8354 (` (if (and gnus-summary-search-article-matched-data
8355 (let ((text (caddr gnus-summary-search-article-matched-data))
8356 (inhibit-read-only t)
8359 (goto-char (car gnus-summary-search-article-matched-data))
8360 (cadr gnus-summary-search-article-matched-data))
8362 (string-match (, regexp) text)))
8363 (if (, backward) (beginning-of-line) (end-of-line))
8364 (goto-char (if (, backward) (point-max) (point-min))))))
8366 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
8367 "Place point where X-Face image is displayed."
8368 (if (featurep 'xemacs)
8369 (` (let ((end (if (search-forward "\n\n" nil t)
8370 (goto-char (1- (point)))
8373 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
8374 (unless (and (re-search-forward "^From:" end t)
8375 (setq extent (extent-at (point)))
8376 (extent-begin-glyph extent))
8377 (goto-char (, opoint)))))
8378 (` (let ((end (if (search-forward "\n\n" nil t)
8379 (goto-char (1- (point)))
8381 (start (or (search-backward "\n\n" nil t) (point-min))))
8383 (or (text-property-any start end 'x-face-image t);; x-face-e21
8384 (text-property-any start end 'x-face-mule-bitmap-image t)
8387 (defmacro gnus-summary-search-article-highlight-matched-text
8388 (backward treated x-face)
8389 "Highlight matched text in the function `gnus-summary-search-article'."
8390 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
8391 (end (set-marker (make-marker) (match-end 0)))
8392 (inhibit-read-only t)
8396 (let ((items (mapcar 'car gnus-treatment-function-alist)))
8398 (lambda (item) (setq items (delq item items)))
8399 '(gnus-treat-buttonize
8400 gnus-treat-fill-article
8401 gnus-treat-fill-long-lines
8402 gnus-treat-emphasize
8403 gnus-treat-highlight-headers
8404 gnus-treat-highlight-citation
8405 gnus-treat-highlight-signature
8406 gnus-treat-overstrike
8407 gnus-treat-display-x-face
8408 gnus-treat-buttonize-head
8409 gnus-treat-decode-article-as-default-mime-charset))
8410 (static-if (featurep 'xemacs)
8412 (cons '(x-face-mule-delete-x-face-field
8415 (gnus-treat-display-x-face
8416 (when (, x-face) gnus-treat-display-x-face)))
8417 (gnus-article-prepare-mime-display)))
8418 (goto-char (if (, backward) start end))
8420 (gnus-summary-search-article-highlight-goto-x-face (point)))
8421 (setq gnus-summary-search-article-matched-data
8422 (list start end (buffer-substring start end)))
8423 (unless (eq start end);; matched text has been deleted. :-<
8424 (put-text-property start end 'face
8425 (or (find-face 'isearch)
8426 'secondary-selection))))))
8429 (defun gnus-summary-search-article (regexp &optional backward)
8430 "Search for an article containing REGEXP.
8431 Optional argument BACKWARD means do search for backward.
8432 `gnus-select-article-hook' is not called during the search."
8433 ;; We have to require this here to make sure that the following
8434 ;; dynamic binding isn't shadowed by autoloading.
8435 (require 'gnus-async)
8437 (let ((gnus-select-article-hook nil) ;Disable hook.
8438 (gnus-article-prepare-hook nil)
8439 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8440 (gnus-use-article-prefetch nil)
8441 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8442 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8444 (gnus-keep-backlog nil)
8445 (gnus-break-pages nil)
8446 (gnus-summary-display-arrow nil)
8447 (gnus-updated-mode-lines nil)
8448 (gnus-auto-center-summary nil)
8449 (sum (current-buffer))
8452 (gnus-save-hidden-threads
8453 (static-if (featurep 'xemacs)
8454 (let ((gnus-inhibit-treatment t))
8455 (setq treated (eq 'old (gnus-summary-select-article)))
8457 (not (and (gnus-buffer-live-p gnus-article-buffer)
8458 (window-live-p (get-buffer-window
8459 gnus-article-buffer t)))))
8460 (gnus-summary-select-article nil t)
8461 (setq treated nil)))
8462 (let ((gnus-inhibit-treatment t)
8463 (x-face-mule-delete-x-face-field 'never))
8464 (setq treated (eq 'old (gnus-summary-select-article)))
8467 (and (gnus-buffer-live-p gnus-article-buffer)
8468 (window-live-p (get-buffer-window
8469 gnus-article-buffer t))
8470 (or (not (string-match "^\\^X-Face:" regexp))
8471 (with-current-buffer gnus-article-buffer
8472 gnus-summary-search-article-matched-data)))))
8473 (gnus-summary-select-article nil t)
8474 (setq treated nil))))
8475 (set-buffer gnus-article-buffer)
8479 (gnus-article-show-all-headers)
8480 (gnus-summary-search-article-position-point regexp backward))
8481 (goto-char (if backward (point-max) (point-min))))
8483 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8485 (re-search-backward regexp nil t)
8486 (re-search-forward regexp nil t))
8487 ;; We found the regexp.
8489 (gnus-summary-search-article-highlight-matched-text
8490 backward treated (string-match "^\\^X-Face:" regexp))
8493 (/ (- 2 (window-height
8494 (get-buffer-window gnus-article-buffer t)))
8497 (get-buffer-window (current-buffer))
8500 (setq point (point)))
8501 ;; We didn't find it, so we go to the next article.
8504 (while (eq found 'not)
8505 (if (not (if backward (gnus-summary-find-prev)
8506 (gnus-summary-find-next)))
8507 ;; No more articles.
8509 ;; Select the next article and adjust point.
8510 (unless (gnus-summary-article-sparse-p
8511 (gnus-summary-article-number))
8513 (let ((gnus-inhibit-treatment t))
8514 (gnus-summary-select-article))
8516 (set-buffer gnus-article-buffer)
8518 (goto-char (if backward (point-max) (point-min))))))))
8519 (gnus-message 7 ""))
8520 ;; Return whether we found the regexp.
8521 (when (eq found 'found)
8523 (gnus-summary-show-thread)
8524 (gnus-summary-goto-subject gnus-current-article)
8525 (gnus-summary-position-point)
8528 (defun gnus-find-matching-articles (header regexp)
8529 "Return a list of all articles that match REGEXP on HEADER.
8530 This search includes all articles in the current group that Gnus has
8531 fetched headers for, whether they are displayed or not."
8532 (let ((articles nil)
8533 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8534 (case-fold-search t))
8535 (dolist (header gnus-newsgroup-headers)
8536 (when (string-match regexp (funcall func header))
8537 (push (mail-header-number header) articles)))
8538 (nreverse articles)))
8540 (defun gnus-summary-find-matching (header regexp &optional backward unread
8541 not-case-fold not-matching)
8542 "Return a list of all articles that match REGEXP on HEADER.
8543 The search stars on the current article and goes forwards unless
8544 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8545 If UNREAD is non-nil, only unread articles will
8546 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8547 in the comparisons. If NOT-MATCHING, return a list of all articles that
8548 not match REGEXP on HEADER."
8549 (let ((case-fold-search (not not-case-fold))
8552 (if (eq (car header) 'extra)
8555 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8557 (error "%s is an invalid header" header))
8558 (unless (fboundp (intern (concat "mail-header-" header)))
8559 (error "%s is not a valid header" header))
8560 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8561 (dolist (d (if (eq backward 'all)
8563 (gnus-data-find-list
8564 (gnus-summary-article-number)
8565 (gnus-data-list backward))))
8566 (when (and (or (not unread) ; We want all articles...
8567 (gnus-data-unread-p d)) ; Or just unreads.
8568 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8572 (funcall func (gnus-data-header d))))
8573 (string-match regexp
8574 (funcall func (gnus-data-header d)))))
8575 (push (gnus-data-number d) articles))) ; Success!
8576 (nreverse articles)))
8578 (defun gnus-summary-execute-command (header regexp command &optional backward)
8579 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8580 If HEADER is an empty string (or nil), the match is done on the entire
8581 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8583 (list (let ((completion-ignore-case t))
8586 (mapcar (lambda (header) (list (format "%s" header)))
8588 '("Number" "Subject" "From" "Lines" "Date"
8589 "Message-ID" "Xref" "References" "Body")
8590 gnus-extra-headers))
8591 nil 'require-match))
8592 (read-string "Regexp: ")
8593 (read-key-sequence "Command: ")
8594 current-prefix-arg))
8595 (when (equal header "Body")
8597 ;; Hidden thread subtrees must be searched as well.
8598 (gnus-summary-show-all-threads)
8599 ;; We don't want to change current point nor window configuration.
8601 (save-window-excursion
8603 gnus-treat-strip-trailing-blank-lines
8604 gnus-treat-strip-leading-blank-lines
8605 gnus-treat-strip-multiple-blank-lines
8606 gnus-treat-hide-boring-headers
8607 gnus-treat-fold-newsgroups
8608 gnus-article-prepare-hook)
8609 (gnus-message 6 "Executing %s..." (key-description command))
8610 ;; We'd like to execute COMMAND interactively so as to give arguments.
8611 (gnus-execute header regexp
8612 `(call-interactively ',(key-binding command))
8614 (gnus-message 6 "Executing %s...done" (key-description command))))))
8616 (defun gnus-summary-beginning-of-article ()
8617 "Scroll the article back to the beginning."
8619 (gnus-summary-select-article)
8620 (gnus-configure-windows 'article)
8621 (gnus-eval-in-buffer-window gnus-article-buffer
8623 (goto-char (point-min))
8624 (when gnus-break-pages
8625 (gnus-narrow-to-page))))
8627 (defun gnus-summary-end-of-article ()
8628 "Scroll to the end of the article."
8630 (gnus-summary-select-article)
8631 (gnus-configure-windows 'article)
8632 (gnus-eval-in-buffer-window gnus-article-buffer
8634 (goto-char (point-max))
8636 (when gnus-break-pages
8637 (when (re-search-backward page-delimiter nil t)
8638 (narrow-to-region (match-end 0) (point-max)))
8639 (gnus-narrow-to-page))))
8641 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8642 "Truncate to LEN and quote all \"(\"'s in STRING."
8643 (gnus-replace-in-string (if (and len (> (length string) len))
8644 (substring string 0 len)
8648 (defun gnus-summary-print-article (&optional filename n)
8649 "Generate and print a PostScript image of the N next (mail) articles.
8651 If N is negative, print the N previous articles. If N is nil and articles
8652 have been marked with the process mark, print these instead.
8654 If the optional first argument FILENAME is nil, send the image to the
8655 printer. If FILENAME is a string, save the PostScript image in a file with
8656 that name. If FILENAME is a number, prompt the user for the name of the file
8658 (interactive (list (ps-print-preprint current-prefix-arg)))
8659 (dolist (article (gnus-summary-work-articles n))
8660 (gnus-summary-select-article nil nil 'pseudo article)
8661 (gnus-eval-in-buffer-window gnus-article-buffer
8662 (gnus-print-buffer))
8663 (gnus-summary-remove-process-mark article))
8664 (ps-despool filename))
8666 (defun gnus-print-buffer ()
8667 (let ((buffer (generate-new-buffer " *print*")))
8670 (copy-to-buffer buffer (point-min) (point-max))
8672 (gnus-remove-text-with-property 'gnus-decoration)
8673 (when (gnus-visual-p 'article-highlight 'highlight)
8674 ;; Copy-to-buffer doesn't copy overlay. So redo
8676 (let ((gnus-article-buffer buffer))
8677 (gnus-article-highlight-citation t)
8678 (gnus-article-highlight-signature)
8679 (gnus-article-emphasize)
8680 (gnus-article-delete-invisible-text)))
8681 (let ((ps-left-header
8684 (gnus-summary-print-truncate-and-quote
8685 (mail-header-subject gnus-current-headers)
8688 (gnus-summary-print-truncate-and-quote
8689 (mail-header-from gnus-current-headers)
8693 "/pagenumberstring load"
8695 (mail-header-date gnus-current-headers) ")"))))
8696 (gnus-run-hooks 'gnus-ps-print-hook)
8699 (ps-spool-buffer-with-faces)
8700 (ps-spool-buffer)))))
8701 (kill-buffer buffer))))
8703 (defun gnus-summary-show-article (&optional arg)
8704 "Force redisplaying of the current article.
8705 If ARG (the prefix) is a number, show the article with the charset
8706 defined in `gnus-summary-show-article-charset-alist', or the charset
8708 If ARG (the prefix) is non-nil and not a number, show the raw article
8709 without any article massaging functions being run. Normally, the key
8710 strokes are `C-u g'."
8714 (gnus-summary-show-article t)
8715 (let* ((gnus-newsgroup-charset
8716 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8717 (mm-read-coding-system
8718 "View as charset: " ;; actually it is coding system.
8720 (set-buffer gnus-article-buffer)
8721 (mm-detect-coding-region (point) (point-max))))))
8722 (default-mime-charset gnus-newsgroup-charset)
8723 (gnus-newsgroup-ignored-charsets 'gnus-all))
8724 (gnus-summary-select-article nil 'force)
8725 (let ((deps gnus-newsgroup-dependencies)
8728 (set-buffer gnus-original-article-buffer)
8730 (message-narrow-to-head)
8731 (setq head (buffer-string))
8732 (goto-char (point-min))
8733 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8734 (goto-char (point-max))
8736 (setq lines (1- (count-lines (point) (point-max))))))
8738 (insert (format "211 %d Article retrieved.\n"
8739 (cdr gnus-article-current)))
8741 (if lines (insert (format "Lines: %d\n" lines)))
8743 (let ((nntp-server-buffer (current-buffer)))
8744 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8745 (gnus-data-set-header
8746 (gnus-data-find (cdr gnus-article-current))
8748 (gnus-summary-update-article-line
8749 (cdr gnus-article-current) header)
8750 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8751 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8753 ;; Select the article the normal way.
8754 (gnus-summary-select-article nil 'force))
8756 ;; We have to require this here to make sure that the following
8757 ;; dynamic binding isn't shadowed by autoloading.
8758 (require 'gnus-async)
8760 ;; Bind the article treatment functions to nil.
8761 (let ((gnus-have-all-headers t)
8762 gnus-article-prepare-hook
8763 gnus-article-decode-hook
8766 (gnus-inhibit-treatment t))
8767 (gnus-summary-select-article nil 'force))))
8768 (gnus-summary-goto-subject gnus-current-article)
8769 (gnus-summary-position-point))
8771 (defun gnus-summary-show-raw-article ()
8772 "Show the raw article without any article massaging functions being run."
8774 (gnus-summary-show-article t))
8776 (defun gnus-summary-verbose-headers (&optional arg)
8777 "Toggle permanent full header display.
8778 If ARG is a positive number, turn header display on.
8779 If ARG is a negative number, turn header display off."
8781 (setq gnus-show-all-headers
8782 (cond ((or (not (numberp arg))
8784 (not gnus-show-all-headers))
8787 (gnus-summary-show-article))
8789 (defun gnus-summary-toggle-header (&optional arg)
8790 "Show the headers if they are hidden, or hide them if they are shown.
8791 If ARG is a positive number, show the entire header.
8792 If ARG is a negative number, hide the unwanted header lines."
8794 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8795 (get-buffer-window gnus-article-buffer t))))
8796 (with-current-buffer gnus-article-buffer
8798 (article-narrow-to-head)
8799 (let* ((buffer-read-only nil)
8800 (inhibit-point-motion-hooks t)
8801 (hidden (if (numberp arg)
8803 (gnus-article-hidden-text-p 'headers)))
8805 (delete-region (point-min) (point-max))
8806 (with-current-buffer gnus-original-article-buffer
8807 (goto-char (setq s (point-min)))
8808 (setq e (if (search-forward "\n\n" nil t)
8811 (insert-buffer-substring gnus-original-article-buffer s e)
8812 ;; In T-gnus, gnus-article-decode-hook doesn't contain
8813 ;; article-decode-encoded-words by default.
8814 (article-decode-encoded-words)
8815 (run-hooks 'gnus-article-decode-hook)
8817 (let ((gnus-treat-hide-headers nil)
8818 (gnus-treat-hide-boring-headers nil))
8819 (gnus-delete-wash-type 'headers)
8820 (gnus-treat-article 'head))
8821 (gnus-treat-article 'head))
8824 (set-window-start window (goto-char (point-min))))
8825 (if gnus-break-pages
8826 (gnus-narrow-to-page)
8827 (when (gnus-visual-p 'page-marker)
8828 (let ((buffer-read-only nil))
8829 (gnus-remove-text-with-property 'gnus-prev)
8830 (gnus-remove-text-with-property 'gnus-next))))
8831 (gnus-set-mode-line 'article)))))
8833 (defun gnus-summary-show-all-headers ()
8834 "Make all header lines visible."
8836 (gnus-summary-toggle-header 1))
8838 (defun gnus-summary-toggle-mime (&optional arg)
8839 "Toggle MIME processing.
8840 If ARG is a positive number, turn MIME processing on."
8842 (setq gnus-show-mime
8844 (not gnus-show-mime)
8845 (> (prefix-numeric-value arg) 0)))
8846 (gnus-summary-select-article t 'force))
8848 (defun gnus-summary-caesar-message (&optional arg)
8849 "Caesar rotate the current article by 13.
8850 The numerical prefix specifies how many places to rotate each letter
8853 (gnus-summary-select-article)
8854 (let ((mail-header-separator ""))
8855 (gnus-eval-in-buffer-window gnus-article-buffer
8858 (let ((start (window-start))
8860 (message-caesar-buffer-body arg)
8861 (set-window-start (get-buffer-window (current-buffer)) start))))))
8863 (autoload 'unmorse-region "morse"
8864 "Convert morse coded text in region to ordinary ASCII text."
8867 (defun gnus-summary-morse-message (&optional arg)
8868 "Morse decode the current article."
8870 (gnus-summary-select-article)
8871 (let ((mail-header-separator ""))
8872 (gnus-eval-in-buffer-window gnus-article-buffer
8876 (let ((pos (window-start))
8878 (goto-char (point-min))
8879 (when (message-goto-body)
8880 (gnus-narrow-to-body))
8881 (goto-char (point-min))
8882 (while (re-search-forward "·" (point-max) t)
8883 (replace-match "."))
8884 (unmorse-region (point-min) (point-max))
8886 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8888 (defun gnus-summary-stop-page-breaking ()
8889 "Stop page breaking in the current article."
8891 (gnus-summary-select-article)
8892 (gnus-eval-in-buffer-window gnus-article-buffer
8894 (when (gnus-visual-p 'page-marker)
8895 (let ((buffer-read-only nil))
8896 (gnus-remove-text-with-property 'gnus-prev)
8897 (gnus-remove-text-with-property 'gnus-next))
8898 (setq gnus-page-broken nil))))
8900 (defun gnus-summary-move-article (&optional n to-newsgroup
8901 select-method action)
8902 "Move the current article to a different newsgroup.
8903 If N is a positive number, move the N next articles.
8904 If N is a negative number, move the N previous articles.
8905 If N is nil and any articles have been marked with the process mark,
8906 move those articles instead.
8907 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8908 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8909 re-spool using this method.
8911 When called interactively with TO-NEWSGROUP being nil, the value of
8912 the variable `gnus-move-split-methods' is used for finding a default
8913 for the target newsgroup.
8915 For this function to work, both the current newsgroup and the
8916 newsgroup that you want to move to have to support the `request-move'
8917 and `request-accept' functions.
8919 ACTION can be either `move' (the default), `crosspost' or `copy'."
8922 (setq action 'move))
8923 ;; Check whether the source group supports the required functions.
8924 (cond ((and (eq action 'move)
8925 (not (gnus-check-backend-function
8926 'request-move-article gnus-newsgroup-name)))
8927 (error "The current group does not support article moving"))
8928 ((and (eq action 'crosspost)
8929 (not (gnus-check-backend-function
8930 'request-replace-article gnus-newsgroup-name)))
8931 (error "The current group does not support article editing")))
8932 (let ((articles (gnus-summary-work-articles n))
8933 (prefix (if (gnus-check-backend-function
8934 'request-move-article gnus-newsgroup-name)
8935 (gnus-group-real-prefix gnus-newsgroup-name)
8937 (names '((move "Move" "Moving")
8938 (copy "Copy" "Copying")
8939 (crosspost "Crosspost" "Crossposting")))
8940 (copy-buf (save-excursion
8941 (nnheader-set-temp-buffer " *copy article*")))
8942 art-group to-method new-xref article to-groups)
8943 (unless (assq action names)
8944 (error "Unknown action %s" action))
8945 ;; Read the newsgroup name.
8946 (when (and (not to-newsgroup)
8947 (not select-method))
8948 (if (and gnus-move-split-methods
8950 (and (memq gnus-current-article articles)
8951 (gnus-buffer-live-p gnus-original-article-buffer))))
8952 ;; When `gnus-move-split-methods' is non-nil, we have to
8953 ;; select an article to give `gnus-read-move-group-name' an
8954 ;; opportunity to suggest an appropriate default. However,
8955 ;; we needn't render or mark the article.
8956 (let ((gnus-display-mime-function nil)
8957 (gnus-article-prepare-hook nil)
8958 (gnus-mark-article-hook nil))
8959 (gnus-summary-select-article nil nil nil (car articles))))
8961 (gnus-read-move-group-name
8962 (cadr (assq action names))
8963 (symbol-value (intern (format "gnus-current-%s-group" action)))
8965 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8966 (setq to-method (or select-method
8967 (gnus-server-to-method
8968 (gnus-group-method to-newsgroup))))
8969 ;; Check the method we are to move this article to...
8970 (unless (gnus-check-backend-function
8971 'request-accept-article (car to-method))
8972 (error "%s does not support article copying" (car to-method)))
8973 (unless (gnus-check-server to-method)
8974 (error "Can't open server %s" (car to-method)))
8975 (gnus-message 6 "%s to %s: %s..."
8976 (caddr (assq action names))
8977 (or (car select-method) to-newsgroup) articles)
8979 (setq article (pop articles))
8983 ;; Move the article.
8985 ;; Remove this article from future suppression.
8986 (gnus-dup-unsuppress-article article)
8987 (gnus-request-move-article
8988 article ; Article to move
8989 gnus-newsgroup-name ; From newsgroup
8990 (nth 1 (gnus-find-method-for-group
8991 gnus-newsgroup-name)) ; Server
8992 (list 'gnus-request-accept-article
8993 to-newsgroup (list 'quote select-method)
8994 (not articles) t) ; Accept form
8995 (not articles))) ; Only save nov last time
8996 ;; Copy the article.
8999 (set-buffer copy-buf)
9000 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9001 (gnus-request-accept-article
9002 to-newsgroup select-method (not articles) t))))
9003 ;; Crosspost the article.
9004 ((eq action 'crosspost)
9005 (let ((xref (message-tokenize-header
9006 (mail-header-xref (gnus-summary-article-header article))
9008 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9009 ":" (number-to-string article)))
9011 (setq xref (list (system-name))))
9014 (mapconcat 'identity
9015 (delete "Xref:" (delete new-xref xref))
9019 (set-buffer copy-buf)
9020 ;; First put the article in the destination group.
9021 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9022 (when (consp (setq art-group
9023 (gnus-request-accept-article
9024 to-newsgroup select-method (not articles))))
9025 (setq new-xref (concat new-xref " " (car art-group)
9027 (number-to-string (cdr art-group))))
9028 ;; Now we have the new Xrefs header, so we insert
9029 ;; it and replace the new article.
9030 (nnheader-replace-header "Xref" new-xref)
9031 (gnus-request-replace-article
9032 (cdr art-group) to-newsgroup (current-buffer))
9036 (gnus-message 1 "Couldn't %s article %s: %s"
9037 (cadr (assq action names)) article
9038 (nnheader-get-report (car to-method))))
9039 ((eq art-group 'junk)
9040 (when (eq action 'move)
9041 (gnus-summary-mark-article article gnus-canceled-mark)
9042 (gnus-message 4 "Deleted article %s" article)
9043 ;; run the delete hook
9044 (run-hook-with-args 'gnus-summary-article-delete-hook
9047 (assoc article (gnus-data-list nil)))
9048 gnus-newsgroup-name nil
9051 (let* ((pto-group (gnus-group-prefixed-name
9052 (car art-group) to-method))
9054 (gnus-gethash pto-group gnus-newsrc-hashtb))
9055 (info (nth 2 entry))
9056 (to-group (gnus-info-group info))
9058 ;; Update the group that has been moved to.
9060 (memq action '(move copy)))
9061 (unless (member to-group to-groups)
9062 (push to-group to-groups))
9064 (unless (memq article gnus-newsgroup-unreads)
9065 (push 'read to-marks)
9067 info (gnus-add-to-range (gnus-info-read info)
9068 (list (cdr art-group)))))
9070 ;; See whether the article is to be put in the cache.
9071 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9072 gnus-article-mark-lists
9073 (delete '(expirable . expire)
9074 (copy-sequence gnus-article-mark-lists))))
9075 (to-article (cdr art-group)))
9077 ;; Enter the article into the cache in the new group,
9078 ;; if that is required.
9079 (when gnus-use-cache
9080 (gnus-cache-possibly-enter-article
9082 (let ((header (copy-sequence
9083 (gnus-summary-article-header article))))
9084 (mail-header-set-number header to-article)
9086 (memq article gnus-newsgroup-marked)
9087 (memq article gnus-newsgroup-dormant)
9088 (memq article gnus-newsgroup-unreads)))
9090 (when gnus-preserve-marks
9091 ;; Copy any marks over to the new group.
9092 (when (and (equal to-group gnus-newsgroup-name)
9093 (not (memq article gnus-newsgroup-unreads)))
9094 ;; Mark this article as read in this group.
9095 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9096 (setcdr (gnus-active to-group) to-article)
9097 (setcdr gnus-newsgroup-active to-article))
9100 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9101 (when (memq article (symbol-value
9102 (intern (format "gnus-newsgroup-%s"
9104 (push (cdar marks) to-marks)
9105 ;; If the other group is the same as this group,
9106 ;; then we have to add the mark to the list.
9107 (when (equal to-group gnus-newsgroup-name)
9108 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9111 (intern (format "gnus-newsgroup-%s"
9113 ;; Copy the marks to other group.
9114 (gnus-add-marked-articles
9115 to-group (cdar marks) (list to-article) info)))
9116 (setq marks (cdr marks)))
9118 (gnus-request-set-mark
9119 to-group (list (list (list to-article) 'add to-marks))))
9122 (concat "(gnus-group-set-info '"
9123 (gnus-prin1-to-string (gnus-get-info to-group))
9126 ;; Update the Xref header in this article to point to
9127 ;; the new crossposted article we have just created.
9128 (when (eq action 'crosspost)
9130 (set-buffer copy-buf)
9131 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9132 (nnheader-replace-header "Xref" new-xref)
9133 (gnus-request-replace-article
9134 article gnus-newsgroup-name (current-buffer))))
9136 ;; run the move/copy/crosspost/respool hook
9137 (run-hook-with-args 'gnus-summary-article-move-hook
9140 (assoc article (gnus-data-list nil)))
9145 ;;;!!!Why is this necessary?
9146 (set-buffer gnus-summary-buffer)
9148 (gnus-summary-goto-subject article)
9149 (when (eq action 'move)
9150 (gnus-summary-mark-article article gnus-canceled-mark))))
9151 (gnus-summary-remove-process-mark article))
9152 ;; Re-activate all groups that have been moved to.
9154 (set-buffer gnus-group-buffer)
9155 (let ((gnus-group-marked to-groups))
9156 (gnus-group-get-new-news-this-group nil t)))
9158 (gnus-kill-buffer copy-buf)
9159 (gnus-summary-position-point)
9160 (gnus-set-mode-line 'summary)))
9162 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9163 "Move the current article to a different newsgroup.
9164 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9165 When called interactively, if TO-NEWSGROUP is nil, use the value of
9166 the variable `gnus-move-split-methods' for finding a default target
9168 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9169 re-spool using this method."
9171 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9173 (defun gnus-summary-crosspost-article (&optional n)
9174 "Crosspost the current article to some other group."
9176 (gnus-summary-move-article n nil nil 'crosspost))
9178 (defcustom gnus-summary-respool-default-method nil
9179 "Default method type for respooling an article.
9180 If nil, use to the current newsgroup method."
9182 :group 'gnus-summary-mail)
9184 (defcustom gnus-summary-display-while-building nil
9185 "If non-nil, show and update the summary buffer as it's being built.
9186 If the value is t, update the buffer after every line is inserted. If
9187 the value is an integer (N), update the display every N lines."
9189 :type '(choice (const :tag "off" nil)
9191 (const :tag "frequently" t)))
9193 (defun gnus-summary-respool-article (&optional n method)
9194 "Respool the current article.
9195 The article will be squeezed through the mail spooling process again,
9196 which means that it will be put in some mail newsgroup or other
9197 depending on `nnmail-split-methods'.
9198 If N is a positive number, respool the N next articles.
9199 If N is a negative number, respool the N previous articles.
9200 If N is nil and any articles have been marked with the process mark,
9201 respool those articles instead.
9203 Respooling can be done both from mail groups and \"real\" newsgroups.
9204 In the former case, the articles in question will be moved from the
9205 current group into whatever groups they are destined to. In the
9206 latter case, they will be copied into the relevant groups."
9208 (list current-prefix-arg
9209 (let* ((methods (gnus-methods-using 'respool))
9211 (symbol-name (or gnus-summary-respool-default-method
9212 (car (gnus-find-method-for-group
9213 gnus-newsgroup-name)))))
9215 (gnus-completing-read-with-default
9216 methname "What backend do you want to use when respooling?"
9217 methods nil t nil 'gnus-mail-method-history))
9220 ((zerop (length (setq ms (gnus-servers-using-backend
9222 (list (intern method) ""))
9226 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9227 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9230 (error "No method given for respooling"))
9231 (if (assoc (symbol-name
9232 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9233 (gnus-methods-using 'respool))
9234 (gnus-summary-move-article n nil method)
9235 (gnus-summary-copy-article n nil method)))
9237 (defun gnus-summary-import-article (file &optional edit)
9238 "Import an arbitrary file into a mail newsgroup."
9239 (interactive "fImport file: \nP")
9240 (let ((group gnus-newsgroup-name)
9241 (now (current-time))
9242 atts lines group-art)
9243 (unless (gnus-check-backend-function 'request-accept-article group)
9244 (error "%s does not support article importing" group))
9245 (or (file-readable-p file)
9246 (not (file-regular-p file))
9247 (error "Can't read %s" file))
9249 (set-buffer (gnus-get-buffer-create " *import file*"))
9251 (nnheader-insert-file-contents file)
9252 (goto-char (point-min))
9253 (if (nnheader-article-p)
9255 (goto-char (point-min))
9256 (search-forward "\n\n" nil t)
9257 (narrow-to-region (point-min) (1- (point)))
9258 (goto-char (point-min))
9259 (unless (re-search-forward "^date:" nil t)
9260 (goto-char (point-max))
9261 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9262 ;; This doesn't look like an article, so we fudge some headers.
9263 (setq atts (file-attributes file)
9264 lines (count-lines (point-min) (point-max)))
9265 (insert "From: " (read-string "From: ") "\n"
9266 "Subject: " (read-string "Subject: ") "\n"
9267 "Date: " (message-make-date (nth 5 atts)) "\n"
9268 "Message-ID: " (message-make-message-id) "\n"
9269 "Lines: " (int-to-string lines) "\n"
9270 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9271 (setq group-art (gnus-request-accept-article group nil t))
9272 (kill-buffer (current-buffer)))
9273 (setq gnus-newsgroup-active (gnus-activate-group group))
9275 (gnus-summary-goto-article (cdr group-art) nil t)
9277 (gnus-summary-edit-article))))
9279 (defun gnus-summary-create-article ()
9280 "Create an article in a mail newsgroup."
9282 (let ((group gnus-newsgroup-name)
9283 (now (current-time))
9285 (unless (gnus-check-backend-function 'request-accept-article group)
9286 (error "%s does not support article importing" group))
9288 (set-buffer (gnus-get-buffer-create " *import file*"))
9290 (goto-char (point-min))
9291 ;; This doesn't look like an article, so we fudge some headers.
9292 (insert "From: " (read-string "From: ") "\n"
9293 "Subject: " (read-string "Subject: ") "\n"
9294 "Date: " (message-make-date now) "\n"
9295 "Message-ID: " (message-make-message-id) "\n")
9296 (setq group-art (gnus-request-accept-article group nil t))
9297 (kill-buffer (current-buffer)))
9298 (setq gnus-newsgroup-active (gnus-activate-group group))
9300 (gnus-summary-goto-article (cdr group-art) nil t)
9301 (gnus-summary-edit-article)))
9303 (defun gnus-summary-article-posted-p ()
9304 "Say whether the current (mail) article is available from news as well.
9305 This will be the case if the article has both been mailed and posted."
9307 (let ((id (mail-header-references (gnus-summary-article-header)))
9308 (gnus-override-method (car (gnus-refer-article-methods))))
9309 (if (gnus-request-head id "")
9310 (gnus-message 2 "The current message was found on %s"
9311 gnus-override-method)
9312 (gnus-message 2 "The current message couldn't be found on %s"
9313 gnus-override-method)
9316 (defun gnus-summary-expire-articles (&optional now)
9317 "Expire all articles that are marked as expirable in the current group."
9319 (when (and (not gnus-group-is-exiting-without-update-p)
9320 (gnus-check-backend-function
9321 'request-expire-articles gnus-newsgroup-name))
9322 ;; This backend supports expiry.
9323 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9324 (expirable (if total
9326 ;; We need to update the info for
9327 ;; this group for `gnus-list-of-read-articles'
9328 ;; to give us the right answer.
9329 (gnus-run-hooks 'gnus-exit-group-hook)
9330 (gnus-summary-update-info)
9331 (gnus-list-of-read-articles gnus-newsgroup-name))
9332 (setq gnus-newsgroup-expirable
9333 (sort gnus-newsgroup-expirable '<))))
9334 (expiry-wait (if now 'immediate
9335 (gnus-group-find-parameter
9336 gnus-newsgroup-name 'expiry-wait)))
9337 (nnmail-expiry-target
9338 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9339 nnmail-expiry-target))
9342 ;; There are expirable articles in this group, so we run them
9343 ;; through the expiry process.
9344 (gnus-message 6 "Expiring articles...")
9345 (unless (gnus-check-group gnus-newsgroup-name)
9346 (error "Can't open server for %s" gnus-newsgroup-name))
9347 ;; The list of articles that weren't expired is returned.
9350 (let ((nnmail-expiry-wait-function nil)
9351 (nnmail-expiry-wait expiry-wait))
9352 (setq es (gnus-request-expire-articles
9353 expirable gnus-newsgroup-name)))
9354 (setq es (gnus-request-expire-articles
9355 expirable gnus-newsgroup-name)))
9357 (setq gnus-newsgroup-expirable es))
9358 ;; We go through the old list of expirable, and mark all
9359 ;; really expired articles as nonexistent.
9360 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9361 (let ((gnus-use-cache nil))
9362 (dolist (article expirable)
9363 (when (and (not (memq article es))
9364 (gnus-data-find article))
9365 (gnus-summary-mark-article article gnus-canceled-mark)
9366 (run-hook-with-args 'gnus-summary-article-expire-hook
9369 (assoc article (gnus-data-list nil)))
9373 (gnus-message 6 "Expiring articles...done")))))
9375 (defun gnus-summary-expire-articles-now ()
9376 "Expunge all expirable articles in the current group.
9377 This means that *all* articles that are marked as expirable will be
9378 deleted forever, right now."
9380 (or gnus-expert-user
9382 "Are you really, really, really sure you want to delete all these messages? ")
9384 (gnus-summary-expire-articles t))
9386 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9387 (defun gnus-summary-delete-article (&optional n)
9388 "Delete the N next (mail) articles.
9389 This command actually deletes articles. This is not a marking
9390 command. The article will disappear forever from your life, never to
9393 If N is negative, delete backwards.
9394 If N is nil and articles have been marked with the process mark,
9395 delete these instead.
9397 If `gnus-novice-user' is non-nil you will be asked for
9398 confirmation before the articles are deleted."
9400 (unless (gnus-check-backend-function 'request-expire-articles
9401 gnus-newsgroup-name)
9402 (error "The current newsgroup does not support article deletion"))
9403 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9404 (error "Couldn't open server"))
9405 ;; Compute the list of articles to delete.
9406 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9407 (nnmail-expiry-target 'delete)
9409 (if (and gnus-novice-user
9410 (not (gnus-yes-or-no-p
9411 (format "Do you really want to delete %s forever? "
9412 (if (> (length articles) 1)
9413 (format "these %s articles" (length articles))
9416 ;; Delete the articles.
9417 (setq not-deleted (gnus-request-expire-articles
9418 articles gnus-newsgroup-name 'force))
9420 (gnus-summary-remove-process-mark (car articles))
9421 ;; The backend might not have been able to delete the article
9423 (unless (memq (car articles) not-deleted)
9424 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9425 (let* ((article (car articles))
9426 (id (mail-header-id (gnus-data-header
9427 (assoc article (gnus-data-list nil))))))
9428 (run-hook-with-args 'gnus-summary-article-delete-hook
9429 'delete id gnus-newsgroup-name nil
9431 (setq articles (cdr articles)))
9433 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9434 (gnus-summary-position-point)
9435 (gnus-set-mode-line 'summary)
9438 (defun gnus-summary-edit-article (&optional force)
9439 "Edit the current article.
9440 This will have permanent effect only in mail groups.
9441 If FORCE is non-nil, allow editing of articles even in read-only
9445 (set-buffer gnus-summary-buffer)
9446 (let ((mail-parse-charset gnus-newsgroup-charset)
9447 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9448 (gnus-set-global-variables)
9449 (when (and (not force)
9450 (gnus-group-read-only-p))
9451 (error "The current newsgroup does not support article editing"))
9452 (gnus-summary-show-article t)
9453 (gnus-article-edit-article
9455 `(lambda (no-highlight)
9456 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9457 (message-options message-options)
9458 (message-options-set-recipient)
9459 (mail-parse-ignored-charsets
9460 ',gnus-newsgroup-ignored-charsets))
9461 (gnus-summary-edit-article-done
9462 ,(or (mail-header-references gnus-current-headers) "")
9463 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
9465 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9467 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9469 "Make edits to the current article permanent."
9472 ;; The buffer restriction contains the entire article if it exists.
9473 (when (article-goto-body)
9474 (let ((lines (count-lines (point) (point-max)))
9475 (length (- (point-max) (point)))
9476 (case-fold-search t)
9477 (body (copy-marker (point))))
9478 (goto-char (point-min))
9479 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9480 (delete-region (match-beginning 1) (match-end 1))
9481 (insert (number-to-string length)))
9482 (goto-char (point-min))
9483 (when (re-search-forward
9484 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9485 (delete-region (match-beginning 1) (match-end 1))
9486 (insert (number-to-string length)))
9487 (goto-char (point-min))
9488 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9489 (delete-region (match-beginning 1) (match-end 1))
9490 (insert (number-to-string lines))))))
9491 ;; Replace the article.
9492 (let ((buf (current-buffer)))
9494 (insert-buffer-substring buf)
9496 (if (and (not read-only)
9497 (not (gnus-request-replace-article
9498 (cdr gnus-article-current) (car gnus-article-current)
9499 (current-buffer) t)))
9500 (error "Couldn't replace article")
9501 ;; Update the summary buffer.
9503 (equal (message-tokenize-header references " ")
9504 (message-tokenize-header
9505 (or (message-fetch-field "references") "") " ")))
9506 ;; We only have to update this line.
9509 (message-narrow-to-head)
9510 (let ((head (buffer-string))
9513 (insert (format "211 %d Article retrieved.\n"
9514 (cdr gnus-article-current)))
9517 (let ((nntp-server-buffer (current-buffer)))
9518 (setq header (car (gnus-get-newsgroup-headers
9521 (set-buffer gnus-summary-buffer)
9522 (gnus-data-set-header
9523 (gnus-data-find (cdr gnus-article-current))
9525 (gnus-summary-update-article-line
9526 (cdr gnus-article-current) header)
9527 (if (gnus-summary-goto-subject
9528 (cdr gnus-article-current) nil t)
9529 (gnus-summary-update-secondary-mark
9530 (cdr gnus-article-current))))))))
9532 (set-buffer (or buffer gnus-summary-buffer))
9533 (gnus-summary-update-article (cdr gnus-article-current))
9534 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9535 (gnus-summary-update-secondary-mark
9536 (cdr gnus-article-current))))
9537 ;; Prettify the article buffer again.
9538 (unless no-highlight
9540 (set-buffer gnus-article-buffer)
9541 ;;;!!! Fix this -- article should be rehighlighted.
9542 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9543 (set-buffer gnus-original-article-buffer)
9544 (gnus-request-article
9545 (cdr gnus-article-current)
9546 (car gnus-article-current) (current-buffer))))
9547 ;; Prettify the summary buffer line.
9548 (when (gnus-visual-p 'summary-highlight 'highlight)
9549 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9551 (defun gnus-summary-edit-wash (key)
9552 "Perform editing command KEY in the article buffer."
9556 (message "%s" (concat (this-command-keys) "- "))
9559 (gnus-summary-edit-article)
9560 (execute-kbd-macro (concat (this-command-keys) key))
9561 (gnus-article-edit-done))
9565 (defun gnus-summary-respool-query (&optional silent trace)
9566 "Query where the respool algorithm would put this article."
9568 (let (gnus-mark-article-hook)
9569 (gnus-summary-select-article)
9571 (set-buffer gnus-original-article-buffer)
9572 (let ((groups (nnmail-article-group 'identity trace)))
9575 (message "This message would go to %s"
9576 (mapconcat 'car groups ", "))
9577 (message "This message would go to no groups"))
9580 (defun gnus-summary-respool-trace ()
9581 "Trace where the respool algorithm would put this article.
9582 Display a buffer showing all fancy splitting patterns which matched."
9584 (gnus-summary-respool-query nil t))
9586 ;; Summary marking commands.
9588 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9589 "Mark articles which has the same subject as read, and then select the next.
9590 If UNMARK is positive, remove any kind of mark.
9591 If UNMARK is negative, tick articles."
9594 (setq unmark (prefix-numeric-value unmark)))
9596 (gnus-summary-mark-same-subject
9597 (gnus-summary-article-subject) unmark)))
9598 ;; Select next unread article. If auto-select-same mode, should
9599 ;; select the first unread article.
9600 (gnus-summary-next-article t (and gnus-auto-select-same
9601 (gnus-summary-article-subject)))
9602 (gnus-message 7 "%d article%s marked as %s"
9603 count (if (= count 1) " is" "s are")
9604 (if unmark "unread" "read"))))
9606 (defun gnus-summary-kill-same-subject (&optional unmark)
9607 "Mark articles which has the same subject as read.
9608 If UNMARK is positive, remove any kind of mark.
9609 If UNMARK is negative, tick articles."
9612 (setq unmark (prefix-numeric-value unmark)))
9614 (gnus-summary-mark-same-subject
9615 (gnus-summary-article-subject) unmark)))
9616 ;; If marked as read, go to next unread subject.
9618 ;; Go to next unread subject.
9619 (gnus-summary-next-subject 1 t))
9620 (gnus-message 7 "%d articles are marked as %s"
9621 count (if unmark "unread" "read"))))
9623 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9624 "Mark articles with same SUBJECT as read, and return marked number.
9625 If optional argument UNMARK is positive, remove any kinds of marks.
9626 If optional argument UNMARK is negative, mark articles as unread instead."
9630 ((null unmark) ; Mark as read.
9633 (gnus-summary-mark-article-as-read gnus-killed-mark)
9634 (gnus-summary-show-thread) t)
9635 (gnus-summary-find-subject subject))
9636 (setq count (1+ count))))
9637 ((> unmark 0) ; Tick.
9640 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9641 (gnus-summary-show-thread) t)
9642 (gnus-summary-find-subject subject))
9643 (setq count (1+ count))))
9644 (t ; Mark as unread.
9647 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9648 (gnus-summary-show-thread) t)
9649 (gnus-summary-find-subject subject))
9650 (setq count (1+ count)))))
9651 (gnus-set-mode-line 'summary)
9652 ;; Return the number of marked articles.
9655 (defun gnus-summary-mark-as-processable (n &optional unmark)
9656 "Set the process mark on the next N articles.
9657 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9658 the process mark instead. The difference between N and the actual
9659 number of articles marked is returned."
9661 (if (and (null n) (gnus-region-active-p))
9662 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9663 (setq n (prefix-numeric-value n))
9664 (let ((backward (< n 0))
9669 (gnus-summary-remove-process-mark
9670 (gnus-summary-article-number))
9671 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9672 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9675 (gnus-message 7 "No more articles"))
9676 (gnus-summary-recenter)
9677 (gnus-summary-position-point)
9680 (defun gnus-summary-unmark-as-processable (n)
9681 "Remove the process mark from the next N articles.
9682 If N is negative, unmark backward instead. The difference between N and
9683 the actual number of articles unmarked is returned."
9685 (gnus-summary-mark-as-processable n t))
9687 (defun gnus-summary-unmark-all-processable ()
9688 "Remove the process mark from all articles."
9691 (while gnus-newsgroup-processable
9692 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9693 (gnus-summary-position-point))
9695 (defun gnus-summary-add-mark (article type)
9696 "Mark ARTICLE with a mark of TYPE."
9697 (let ((vtype (car (assq type gnus-article-mark-lists)))
9700 (error "No such mark type: %s" type)
9701 (setq var (intern (format "gnus-newsgroup-%s" type)))
9702 (set var (cons article (symbol-value var)))
9703 (if (memq type '(processable cached replied forwarded recent saved))
9704 (gnus-summary-update-secondary-mark article)
9705 ;;; !!! This is bogus. We should find out what primary
9706 ;;; !!! mark we want to set.
9707 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9709 (defun gnus-summary-mark-as-expirable (n)
9710 "Mark N articles forward as expirable.
9711 If N is negative, mark backward instead. The difference between N and
9712 the actual number of articles marked is returned."
9714 (gnus-summary-mark-forward n gnus-expirable-mark))
9716 (defun gnus-summary-mark-as-spam (n)
9717 "Mark N articles forward as spam.
9718 If N is negative, mark backward instead. The difference between N and
9719 the actual number of articles marked is returned."
9721 (gnus-summary-mark-forward n gnus-spam-mark))
9723 (defun gnus-summary-mark-article-as-replied (article)
9724 "Mark ARTICLE as replied to and update the summary line.
9725 ARTICLE can also be a list of articles."
9726 (interactive (list (gnus-summary-article-number)))
9727 (let ((articles (if (listp article) article (list article))))
9728 (dolist (article articles)
9729 (unless (numberp article)
9730 (error "%s is not a number" article))
9731 (push article gnus-newsgroup-replied)
9732 (let ((buffer-read-only nil))
9733 (when (gnus-summary-goto-subject article nil t)
9734 (gnus-summary-update-secondary-mark article))))))
9736 (defun gnus-summary-mark-article-as-forwarded (article)
9737 "Mark ARTICLE as forwarded and update the summary line.
9738 ARTICLE can also be a list of articles."
9739 (let ((articles (if (listp article) article (list article))))
9740 (dolist (article articles)
9741 (push article gnus-newsgroup-forwarded)
9742 (let ((buffer-read-only nil))
9743 (when (gnus-summary-goto-subject article nil t)
9744 (gnus-summary-update-secondary-mark article))))))
9746 (defun gnus-summary-set-bookmark (article)
9747 "Set a bookmark in current article."
9748 (interactive (list (gnus-summary-article-number)))
9749 (when (or (not (get-buffer gnus-article-buffer))
9750 (not gnus-current-article)
9751 (not gnus-article-current)
9752 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9753 (error "No current article selected"))
9754 ;; Remove old bookmark, if one exists.
9755 (gnus-pull article gnus-newsgroup-bookmarks)
9756 ;; Set the new bookmark, which is on the form
9757 ;; (article-number . line-number-in-body).
9761 (set-buffer gnus-article-buffer)
9768 gnus-newsgroup-bookmarks)
9769 (gnus-message 6 "A bookmark has been added to the current article."))
9771 (defun gnus-summary-remove-bookmark (article)
9772 "Remove the bookmark from the current article."
9773 (interactive (list (gnus-summary-article-number)))
9774 ;; Remove old bookmark, if one exists.
9775 (if (not (assq article gnus-newsgroup-bookmarks))
9776 (gnus-message 6 "No bookmark in current article.")
9777 (gnus-pull article gnus-newsgroup-bookmarks)
9778 (gnus-message 6 "Removed bookmark.")))
9780 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9781 (defun gnus-summary-mark-as-dormant (n)
9782 "Mark N articles forward as dormant.
9783 If N is negative, mark backward instead. The difference between N and
9784 the actual number of articles marked is returned."
9786 (gnus-summary-mark-forward n gnus-dormant-mark))
9788 (defun gnus-summary-set-process-mark (article)
9789 "Set the process mark on ARTICLE and update the summary line."
9790 (setq gnus-newsgroup-processable
9792 (delq article gnus-newsgroup-processable)))
9793 (when (gnus-summary-goto-subject article)
9794 (gnus-summary-show-thread)
9795 (gnus-summary-goto-subject article)
9796 (gnus-summary-update-secondary-mark article)))
9798 (defun gnus-summary-remove-process-mark (article)
9799 "Remove the process mark from ARTICLE and update the summary line."
9800 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9801 (when (gnus-summary-goto-subject article)
9802 (gnus-summary-show-thread)
9803 (gnus-summary-goto-subject article)
9804 (gnus-summary-update-secondary-mark article)))
9806 (defun gnus-summary-set-saved-mark (article)
9807 "Set the process mark on ARTICLE and update the summary line."
9808 (push article gnus-newsgroup-saved)
9809 (when (gnus-summary-goto-subject article)
9810 (gnus-summary-update-secondary-mark article)))
9812 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9813 "Mark N articles as read forwards.
9814 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9815 The difference between N and the actual number of articles marked is
9817 If NO-EXPIRE, auto-expiry will be inhibited."
9819 (gnus-summary-show-thread)
9820 (let ((backward (< n 0))
9821 (gnus-summary-goto-unread
9822 (and gnus-summary-goto-unread
9823 (not (eq gnus-summary-goto-unread 'never))
9824 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9825 gnus-ticked-mark gnus-dormant-mark)))))
9827 (mark (or mark gnus-del-mark)))
9829 (gnus-summary-mark-article nil mark no-expire)
9830 (zerop (gnus-summary-next-subject
9832 (and gnus-summary-goto-unread
9833 (not (eq gnus-summary-goto-unread 'never)))
9837 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9838 (gnus-summary-recenter)
9839 (gnus-summary-position-point)
9840 (gnus-set-mode-line 'summary)
9843 (defun gnus-summary-mark-article-as-read (mark)
9844 "Mark the current article quickly as read with MARK."
9845 (let ((article (gnus-summary-article-number)))
9846 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9847 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9848 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9849 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9850 (push (cons article mark) gnus-newsgroup-reads)
9851 ;; Possibly remove from cache, if that is used.
9852 (when gnus-use-cache
9853 (gnus-cache-enter-remove-article article))
9854 ;; Allow the backend to change the mark.
9855 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9856 ;; Check for auto-expiry.
9857 (when (and gnus-newsgroup-auto-expire
9858 (memq mark gnus-auto-expirable-marks))
9859 (setq mark gnus-expirable-mark)
9860 ;; Let the backend know about the mark change.
9861 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9862 (push article gnus-newsgroup-expirable))
9863 ;; Set the mark in the buffer.
9864 (gnus-summary-update-mark mark 'unread)
9867 (defun gnus-summary-mark-article-as-unread (mark)
9868 "Mark the current article quickly as unread with MARK."
9869 (let* ((article (gnus-summary-article-number))
9870 (old-mark (gnus-summary-article-mark article)))
9871 ;; Allow the backend to change the mark.
9872 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9873 (if (eq mark old-mark)
9877 (gnus-error 1 "Can't mark negative article numbers")
9879 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9880 (setq gnus-newsgroup-spam-marked
9881 (delq article gnus-newsgroup-spam-marked))
9882 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9883 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9884 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9885 (cond ((= mark gnus-ticked-mark)
9886 (setq gnus-newsgroup-marked
9887 (gnus-add-to-sorted-list gnus-newsgroup-marked
9889 ((= mark gnus-spam-mark)
9890 (setq gnus-newsgroup-spam-marked
9891 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9893 ((= mark gnus-dormant-mark)
9894 (setq gnus-newsgroup-dormant
9895 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9898 (setq gnus-newsgroup-unreads
9899 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9901 (gnus-pull article gnus-newsgroup-reads)
9903 ;; See whether the article is to be put in the cache.
9905 (vectorp (gnus-summary-article-header article))
9907 (gnus-cache-possibly-enter-article
9908 gnus-newsgroup-name article
9909 (gnus-summary-article-header article)
9910 (= mark gnus-ticked-mark)
9911 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9914 (gnus-summary-update-mark mark 'unread)
9917 (defun gnus-summary-mark-article (&optional article mark no-expire)
9918 "Mark ARTICLE with MARK. MARK can be any character.
9919 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9920 `??' (dormant) and `?E' (expirable).
9921 If MARK is nil, then the default character `?r' is used.
9922 If ARTICLE is nil, then the article on the current line will be
9924 If NO-EXPIRE, auto-expiry will be inhibited."
9925 ;; The mark might be a string.
9926 (when (stringp mark)
9927 (setq mark (aref mark 0)))
9928 ;; If no mark is given, then we check auto-expiring.
9930 (setq mark gnus-del-mark))
9931 (when (and (not no-expire)
9932 gnus-newsgroup-auto-expire
9933 (memq mark gnus-auto-expirable-marks))
9934 (setq mark gnus-expirable-mark))
9935 (let ((article (or article (gnus-summary-article-number)))
9936 (old-mark (gnus-summary-article-mark article)))
9937 ;; Allow the backend to change the mark.
9938 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9939 (if (eq mark old-mark)
9942 (error "No article on current line"))
9943 (if (not (if (or (= mark gnus-unread-mark)
9944 (= mark gnus-ticked-mark)
9945 (= mark gnus-spam-mark)
9946 (= mark gnus-dormant-mark))
9947 (gnus-mark-article-as-unread article mark)
9948 (gnus-mark-article-as-read article mark)))
9950 ;; See whether the article is to be put in the cache.
9952 (not (= mark gnus-canceled-mark))
9953 (vectorp (gnus-summary-article-header article))
9955 (gnus-cache-possibly-enter-article
9956 gnus-newsgroup-name article
9957 (gnus-summary-article-header article)
9958 (= mark gnus-ticked-mark)
9959 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9961 (when (gnus-summary-goto-subject article nil t)
9962 (let ((buffer-read-only nil))
9963 (gnus-summary-show-thread)
9965 (gnus-summary-update-mark mark 'unread)
9968 (defun gnus-summary-update-secondary-mark (article)
9969 "Update the secondary (read, process, cache) mark."
9970 (gnus-summary-update-mark
9971 (cond ((memq article gnus-newsgroup-processable)
9973 ((memq article gnus-newsgroup-cached)
9975 ((memq article gnus-newsgroup-replied)
9977 ((memq article gnus-newsgroup-forwarded)
9978 gnus-forwarded-mark)
9979 ((memq article gnus-newsgroup-saved)
9981 ((memq article gnus-newsgroup-recent)
9983 ((memq article gnus-newsgroup-unseen)
9987 (when (gnus-visual-p 'summary-highlight 'highlight)
9988 (gnus-run-hooks 'gnus-summary-update-hook))
9991 (defun gnus-summary-update-download-mark (article)
9992 "Update the download mark."
9993 (gnus-summary-update-mark
9994 (cond ((memq article gnus-newsgroup-undownloaded)
9995 gnus-undownloaded-mark)
9996 (gnus-newsgroup-agentized
9997 gnus-downloaded-mark)
10001 (gnus-summary-update-line t)
10004 (defun gnus-summary-update-mark (mark type)
10005 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10006 (buffer-read-only nil))
10007 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
10009 (when (looking-at "\r")
10011 (when (<= (+ forward (point)) (point-max))
10012 ;; Go to the right position on the line.
10013 (goto-char (+ forward (point)))
10014 ;; Replace the old mark with the new mark.
10015 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10016 ;; Optionally update the marks by some user rule.
10017 (when (eq type 'unread)
10018 (gnus-data-set-mark
10019 (gnus-data-find (gnus-summary-article-number)) mark)
10020 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10022 (defun gnus-mark-article-as-read (article &optional mark)
10023 "Enter ARTICLE in the pertinent lists and remove it from others."
10024 ;; Make the article expirable.
10025 (let ((mark (or mark gnus-del-mark)))
10026 (setq gnus-newsgroup-expirable
10027 (if (= mark gnus-expirable-mark)
10028 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10029 (delq article gnus-newsgroup-expirable)))
10030 ;; Remove from unread and marked lists.
10031 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10032 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10033 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10034 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10035 (push (cons article mark) gnus-newsgroup-reads)
10036 ;; Possibly remove from cache, if that is used.
10037 (when gnus-use-cache
10038 (gnus-cache-enter-remove-article article))
10041 (defun gnus-mark-article-as-unread (article &optional mark)
10042 "Enter ARTICLE in the pertinent lists and remove it from others."
10043 (let ((mark (or mark gnus-ticked-mark)))
10046 (gnus-error 1 "Can't mark negative article numbers")
10048 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10049 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10050 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10051 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10052 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10054 ;; Unsuppress duplicates?
10055 (when gnus-suppress-duplicates
10056 (gnus-dup-unsuppress-article article))
10058 (cond ((= mark gnus-ticked-mark)
10059 (setq gnus-newsgroup-marked
10060 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10061 ((= mark gnus-spam-mark)
10062 (setq gnus-newsgroup-spam-marked
10063 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10065 ((= mark gnus-dormant-mark)
10066 (setq gnus-newsgroup-dormant
10067 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10069 (setq gnus-newsgroup-unreads
10070 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10071 (gnus-pull article gnus-newsgroup-reads)
10074 (defalias 'gnus-summary-mark-as-unread-forward
10075 'gnus-summary-tick-article-forward)
10076 (make-obsolete 'gnus-summary-mark-as-unread-forward
10077 'gnus-summary-tick-article-forward)
10078 (defun gnus-summary-tick-article-forward (n)
10079 "Tick N articles forwards.
10080 If N is negative, tick backwards instead.
10081 The difference between N and the number of articles ticked is returned."
10083 (gnus-summary-mark-forward n gnus-ticked-mark))
10085 (defalias 'gnus-summary-mark-as-unread-backward
10086 'gnus-summary-tick-article-backward)
10087 (make-obsolete 'gnus-summary-mark-as-unread-backward
10088 'gnus-summary-tick-article-backward)
10089 (defun gnus-summary-tick-article-backward (n)
10090 "Tick N articles backwards.
10091 The difference between N and the number of articles ticked is returned."
10093 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10095 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10096 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10097 (defun gnus-summary-tick-article (&optional article clear-mark)
10098 "Mark current article as unread.
10099 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10100 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10102 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10103 gnus-ticked-mark)))
10105 (defun gnus-summary-mark-as-read-forward (n)
10106 "Mark N articles as read forwards.
10107 If N is negative, mark backwards instead.
10108 The difference between N and the actual number of articles marked is
10111 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10113 (defun gnus-summary-mark-as-read-backward (n)
10114 "Mark the N articles as read backwards.
10115 The difference between N and the actual number of articles marked is
10118 (gnus-summary-mark-forward
10119 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10121 (defun gnus-summary-mark-as-read (&optional article mark)
10122 "Mark current article as read.
10123 ARTICLE specifies the article to be marked as read.
10124 MARK specifies a string to be inserted at the beginning of the line."
10125 (gnus-summary-mark-article article mark))
10127 (defun gnus-summary-clear-mark-forward (n)
10128 "Clear marks from N articles forward.
10129 If N is negative, clear backward instead.
10130 The difference between N and the number of marks cleared is returned."
10132 (gnus-summary-mark-forward n gnus-unread-mark))
10134 (defun gnus-summary-clear-mark-backward (n)
10135 "Clear marks from N articles backward.
10136 The difference between N and the number of marks cleared is returned."
10138 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10140 (defun gnus-summary-mark-unread-as-read ()
10141 "Intended to be used by `gnus-summary-mark-article-hook'."
10142 (when (memq gnus-current-article gnus-newsgroup-unreads)
10143 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10145 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10146 "Intended to be used by `gnus-summary-mark-article-hook'."
10147 (let ((mark (gnus-summary-article-mark)))
10148 (when (or (gnus-unread-mark-p mark)
10149 (gnus-read-mark-p mark))
10150 (gnus-summary-mark-article gnus-current-article
10151 (or new-mark gnus-read-mark)))))
10153 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10154 "Intended to be used by `gnus-summary-mark-article-hook'."
10155 (let ((mark (gnus-summary-article-mark)))
10156 (when (or (gnus-unread-mark-p mark)
10157 (gnus-read-mark-p mark))
10158 (gnus-summary-mark-article (gnus-summary-article-number)
10159 (or new-mark gnus-read-mark)))))
10161 (defun gnus-summary-mark-unread-as-ticked ()
10162 "Intended to be used by `gnus-summary-mark-article-hook'."
10163 (when (memq gnus-current-article gnus-newsgroup-unreads)
10164 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10166 (defun gnus-summary-mark-region-as-read (point mark all)
10167 "Mark all unread articles between point and mark as read.
10168 If given a prefix, mark all articles between point and mark as read,
10169 even ticked and dormant ones."
10170 (interactive "r\nP")
10174 (beginning-of-line)
10179 (memq (setq article (gnus-summary-article-number))
10180 gnus-newsgroup-unreads))
10181 (gnus-summary-mark-article article gnus-del-mark))
10183 (gnus-summary-find-next))))))
10185 (defun gnus-summary-mark-below (score mark)
10186 "Mark articles with score less than SCORE with MARK."
10187 (interactive "P\ncMark: ")
10188 (setq score (if score
10189 (prefix-numeric-value score)
10190 (or gnus-summary-default-score 0)))
10192 (set-buffer gnus-summary-buffer)
10193 (goto-char (point-min))
10196 (and (< (gnus-summary-article-score) score)
10197 (gnus-summary-mark-article nil mark))
10198 (gnus-summary-find-next)))))
10200 (defun gnus-summary-kill-below (&optional score)
10201 "Mark articles with score below SCORE as read."
10203 (gnus-summary-mark-below score gnus-killed-mark))
10205 (defun gnus-summary-clear-above (&optional score)
10206 "Clear all marks from articles with score above SCORE."
10208 (gnus-summary-mark-above score gnus-unread-mark))
10210 (defun gnus-summary-tick-above (&optional score)
10211 "Tick all articles with score above SCORE."
10213 (gnus-summary-mark-above score gnus-ticked-mark))
10215 (defun gnus-summary-mark-above (score mark)
10216 "Mark articles with score over SCORE with MARK."
10217 (interactive "P\ncMark: ")
10218 (setq score (if score
10219 (prefix-numeric-value score)
10220 (or gnus-summary-default-score 0)))
10222 (set-buffer gnus-summary-buffer)
10223 (goto-char (point-min))
10225 (when (> (gnus-summary-article-score) score)
10226 (gnus-summary-mark-article nil mark))
10228 (gnus-summary-find-next)))))
10230 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10231 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10232 (defun gnus-summary-limit-include-expunged (&optional no-error)
10233 "Display all the hidden articles that were expunged for low scores."
10235 (let ((buffer-read-only nil))
10236 (let ((scored gnus-newsgroup-scored)
10239 (unless (gnus-summary-article-header (caar scored))
10240 (and (setq h (gnus-number-to-header (caar scored)))
10241 (< (cdar scored) gnus-summary-expunge-below)
10243 (setq scored (cdr scored)))
10245 (when (not no-error)
10246 (error "No expunged articles hidden"))
10247 (goto-char (point-min))
10248 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10249 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10250 (mapcar (lambda (x) (push (mail-header-number x)
10251 gnus-newsgroup-limit))
10253 (gnus-summary-prepare-unthreaded (nreverse headers))
10254 (goto-char (point-min))
10255 (gnus-summary-position-point)
10258 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10259 "Mark all unread articles in this newsgroup as read.
10260 If prefix argument ALL is non-nil, ticked and dormant articles will
10261 also be marked as read.
10262 If QUIETLY is non-nil, no questions will be asked.
10264 If TO-HERE is non-nil, it should be a point in the buffer. All
10265 articles before (after, if REVERSE is set) this point will be marked
10268 Note that this function will only catch up the unread article
10269 in the current summary buffer limitation.
10271 The number of articles marked as read is returned."
10276 (not gnus-interactive-catchup) ;Without confirmation?
10280 "Mark absolutely all articles as read? "
10281 "Mark all unread articles as read? ")))
10283 (not gnus-newsgroup-adaptive)
10284 (not gnus-newsgroup-auto-expire)
10285 (not gnus-suppress-duplicates)
10286 (or (not gnus-use-cache)
10287 (eq gnus-use-cache 'passive)))
10290 (setq gnus-newsgroup-marked nil
10291 gnus-newsgroup-spam-marked nil
10292 gnus-newsgroup-dormant nil))
10293 (setq gnus-newsgroup-unreads
10294 (gnus-sorted-nunion
10295 (gnus-intersection gnus-newsgroup-unreads
10296 gnus-newsgroup-downloadable)
10297 gnus-newsgroup-unfetched)))
10298 ;; We actually mark all articles as canceled, which we
10299 ;; have to do when using auto-expiry or adaptive scoring.
10300 (gnus-summary-show-all-threads)
10301 (if (and to-here reverse)
10303 (goto-char to-here)
10304 (gnus-summary-mark-current-read-and-unread-as-read
10306 (while (gnus-summary-find-next (not all))
10307 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10308 (when (gnus-summary-first-subject (not all))
10310 (if to-here (< (point) to-here) t)
10311 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10312 (gnus-summary-find-next (not all))))))
10313 (gnus-set-mode-line 'summary))
10315 (gnus-summary-position-point)))
10317 (defun gnus-summary-catchup-to-here (&optional all)
10318 "Mark all unticked articles before the current one as read.
10319 If ALL is non-nil, also mark ticked and dormant articles as read."
10322 (gnus-save-hidden-threads
10323 (let ((beg (point)))
10324 ;; We check that there are unread articles.
10325 (when (or all (gnus-summary-find-prev))
10326 (gnus-summary-catchup all t beg)))))
10327 (gnus-summary-position-point))
10329 (defun gnus-summary-catchup-from-here (&optional all)
10330 "Mark all unticked articles after (and including) the current one as read.
10331 If ALL is non-nil, also mark ticked and dormant articles as read."
10334 (gnus-save-hidden-threads
10335 (let ((beg (point)))
10336 ;; We check that there are unread articles.
10337 (when (or all (gnus-summary-find-next))
10338 (gnus-summary-catchup all t beg nil t)))))
10339 (gnus-summary-position-point))
10341 (defun gnus-summary-catchup-all (&optional quietly)
10342 "Mark all articles in this newsgroup as read.
10343 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10344 instead, which marks only unread articles as read."
10346 (gnus-summary-catchup t quietly))
10348 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10349 "Mark all unread articles in this group as read, then exit.
10350 If prefix argument ALL is non-nil, all articles are marked as read.
10351 If QUIETLY is non-nil, no questions will be asked."
10353 (when (gnus-summary-catchup all quietly nil 'fast)
10354 ;; Select next newsgroup or exit.
10355 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10356 (eq gnus-auto-select-next 'quietly))
10357 (gnus-summary-next-group nil)
10358 (gnus-summary-exit))))
10360 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10361 "Mark all articles in this newsgroup as read, and then exit.
10362 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10363 instead, which marks only unread articles as read."
10365 (gnus-summary-catchup-and-exit t quietly))
10367 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10368 "Mark all articles in this group as read and select the next group.
10369 If given a prefix, mark all articles, unread as well as ticked, as
10373 (gnus-summary-catchup all))
10374 (gnus-summary-next-group))
10380 (defmacro gnus-with-article (article &rest forms)
10381 "Select ARTICLE and perform FORMS in the original article buffer.
10382 Then replace the article with the result."
10384 ;; We don't want the article to be marked as read.
10385 (let (gnus-mark-article-hook)
10386 (gnus-summary-select-article t t nil ,article))
10387 (set-buffer gnus-original-article-buffer)
10389 (if (not (gnus-check-backend-function
10390 'request-replace-article (car gnus-article-current)))
10391 (gnus-message 5 "Read-only group; not replacing")
10392 (unless (gnus-request-replace-article
10393 ,article (car gnus-article-current)
10394 (current-buffer) t)
10395 (error "Couldn't replace article")))
10396 ;; The cache and backlog have to be flushed somewhat.
10397 (when gnus-keep-backlog
10398 (gnus-backlog-remove-article
10399 (car gnus-article-current) (cdr gnus-article-current)))
10400 (when gnus-use-cache
10401 (gnus-cache-update-article
10402 (car gnus-article-current) (cdr gnus-article-current)))))
10404 (put 'gnus-with-article 'lisp-indent-function 1)
10405 (put 'gnus-with-article 'edebug-form-spec '(form body))
10407 ;; Thread-based commands.
10409 (defun gnus-summary-articles-in-thread (&optional article)
10410 "Return a list of all articles in the current thread.
10411 If ARTICLE is non-nil, return all articles in the thread that starts
10412 with that article."
10413 (let* ((article (or article (gnus-summary-article-number)))
10414 (data (gnus-data-find-list article))
10415 (top-level (gnus-data-level (car data)))
10417 (cond ((null gnus-thread-operation-ignore-subject)
10418 (gnus-simplify-subject-re
10419 (mail-header-subject (gnus-data-header (car data)))))
10420 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10421 (gnus-simplify-subject-fuzzy
10422 (mail-header-subject (gnus-data-header (car data)))))
10424 (end-point (save-excursion
10425 (if (gnus-summary-go-to-next-thread)
10426 (point) (point-max))))
10429 (< (gnus-data-pos (car data)) end-point))
10430 (when (or (not top-subject)
10431 (string= top-subject
10432 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10433 (gnus-simplify-subject-fuzzy
10434 (mail-header-subject
10435 (gnus-data-header (car data))))
10436 (gnus-simplify-subject-re
10437 (mail-header-subject
10438 (gnus-data-header (car data)))))))
10439 (push (gnus-data-number (car data)) articles))
10440 (unless (and (setq data (cdr data))
10441 (> (gnus-data-level (car data)) top-level))
10443 ;; Return the list of articles.
10444 (nreverse articles)))
10446 (defun gnus-summary-rethread-current ()
10447 "Rethread the thread the current article is part of."
10449 (let* ((gnus-show-threads t)
10450 (article (gnus-summary-article-number))
10451 (id (mail-header-id (gnus-summary-article-header)))
10452 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10454 (error "No article on the current line"))
10455 (gnus-rebuild-thread id)
10456 (gnus-summary-goto-subject article)))
10458 (defun gnus-summary-reparent-thread ()
10459 "Make the current article child of the marked (or previous) article.
10461 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10462 is non-nil or the Subject: of both articles are the same."
10464 (unless (not (gnus-group-read-only-p))
10465 (error "The current newsgroup does not support article editing"))
10466 (unless (<= (length gnus-newsgroup-processable) 1)
10467 (error "No more than one article may be marked"))
10468 (save-window-excursion
10469 (let ((gnus-article-buffer " *reparent*")
10470 (current-article (gnus-summary-article-number))
10471 ;; First grab the marked article, otherwise one line up.
10472 (parent-article (if (not (null gnus-newsgroup-processable))
10473 (car gnus-newsgroup-processable)
10475 (if (eq (forward-line -1) 0)
10476 (gnus-summary-article-number)
10477 (error "Beginning of summary buffer"))))))
10478 (unless (not (eq current-article parent-article))
10479 (error "An article may not be self-referential"))
10480 (let ((message-id (mail-header-id
10481 (gnus-summary-article-header parent-article))))
10482 (unless (and message-id (not (equal message-id "")))
10483 (error "No message-id in desired parent"))
10484 (gnus-with-article current-article
10486 (goto-char (point-min))
10487 (message-narrow-to-head)
10488 (if (re-search-forward "^References: " nil t)
10490 (re-search-forward "^[^ \t]" nil t)
10493 (insert " " message-id))
10494 (insert "References: " message-id "\n"))))
10495 (set-buffer gnus-summary-buffer)
10496 (gnus-summary-unmark-all-processable)
10497 (gnus-summary-update-article current-article)
10498 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10499 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10500 (gnus-summary-rethread-current)
10501 (gnus-message 3 "Article %d is now the child of article %d"
10502 current-article parent-article)))))
10504 (defun gnus-summary-toggle-threads (&optional arg)
10505 "Toggle showing conversation threads.
10506 If ARG is positive number, turn showing conversation threads on."
10508 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10509 (setq gnus-show-threads
10510 (if (null arg) (not gnus-show-threads)
10511 (> (prefix-numeric-value arg) 0)))
10512 (gnus-summary-prepare)
10513 (gnus-summary-goto-subject current)
10514 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10515 (gnus-summary-position-point)))
10517 (defun gnus-summary-show-all-threads ()
10518 "Show all threads."
10521 (let ((buffer-read-only nil))
10522 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10523 (gnus-summary-position-point))
10525 (defun gnus-summary-show-thread ()
10526 "Show thread subtrees.
10527 Returns nil if no thread was there to be shown."
10529 (let ((buffer-read-only nil)
10531 (end (gnus-point-at-eol))
10532 ;; Leave point at bol
10533 (beg (progn (beginning-of-line) (point))))
10535 ;; Any hidden lines here?
10536 (search-forward "\r" end t)
10537 (subst-char-in-region beg end ?\^M ?\n t)
10539 (gnus-summary-position-point))))
10541 (defun gnus-summary-maybe-hide-threads ()
10542 "If requested, hide the threads that should be hidden."
10543 (when (and gnus-show-threads
10544 gnus-thread-hide-subtree)
10545 (gnus-summary-hide-all-threads
10546 (if (or (consp gnus-thread-hide-subtree)
10547 (functionp gnus-thread-hide-subtree))
10548 (gnus-make-predicate gnus-thread-hide-subtree)
10551 ;;; Hiding predicates.
10553 (defun gnus-article-unread-p (header)
10554 (memq (mail-header-number header) gnus-newsgroup-unreads))
10556 (defun gnus-article-unseen-p (header)
10557 (memq (mail-header-number header) gnus-newsgroup-unseen))
10559 (defun gnus-map-articles (predicate articles)
10560 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10561 (apply 'gnus-or (mapcar predicate
10562 (mapcar 'gnus-summary-article-header articles))))
10564 (defun gnus-summary-hide-all-threads (&optional predicate)
10565 "Hide all thread subtrees.
10566 If PREDICATE is supplied, threads that satisfy this predicate
10567 will not be hidden."
10570 (goto-char (point-min))
10573 (when (or (not predicate)
10575 predicate (gnus-summary-article-children)))
10576 (gnus-summary-hide-thread))
10577 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10578 (gnus-summary-position-point))
10580 (defun gnus-summary-hide-thread ()
10581 "Hide thread subtrees.
10582 If PREDICATE is supplied, threads that satisfy this predicate
10583 will not be hidden.
10584 Returns nil if no threads were there to be hidden."
10586 (let ((buffer-read-only nil)
10588 (article (gnus-summary-article-number)))
10590 ;; Go forward until either the buffer ends or the subthread
10592 (when (and (not (eobp))
10593 (or (zerop (gnus-summary-next-thread 1 t))
10594 (goto-char (point-max))))
10596 (if (and (> (point) start)
10597 (search-backward "\n" start t))
10599 (subst-char-in-region start (point) ?\n ?\^M)
10600 (gnus-summary-goto-subject article))
10604 (defun gnus-summary-go-to-next-thread (&optional previous)
10605 "Go to the same level (or less) next thread.
10606 If PREVIOUS is non-nil, go to previous thread instead.
10607 Return the article number moved to, or nil if moving was impossible."
10608 (let ((level (gnus-summary-thread-level))
10609 (way (if previous -1 1))
10612 (while (and (not (eobp))
10613 (< level (gnus-summary-thread-level)))
10614 (forward-line way))
10621 (gnus-summary-article-number)
10622 (goto-char beg)))))
10624 (defun gnus-summary-next-thread (n &optional silent)
10625 "Go to the same level next N'th thread.
10626 If N is negative, search backward instead.
10627 Returns the difference between N and the number of skips actually
10630 If SILENT, don't output messages."
10632 (let ((backward (< n 0))
10634 (while (and (> n 0)
10635 (gnus-summary-go-to-next-thread backward))
10638 (gnus-summary-position-point))
10639 (when (and (not silent) (/= 0 n))
10640 (gnus-message 7 "No more threads"))
10643 (defun gnus-summary-prev-thread (n)
10644 "Go to the same level previous N'th thread.
10645 Returns the difference between N and the number of skips actually
10648 (gnus-summary-next-thread (- n)))
10650 (defun gnus-summary-go-down-thread ()
10651 "Go down one level in the current thread."
10652 (let ((children (gnus-summary-article-children)))
10654 (gnus-summary-goto-subject (car children)))))
10656 (defun gnus-summary-go-up-thread ()
10657 "Go up one level in the current thread."
10658 (let ((parent (gnus-summary-article-parent)))
10660 (gnus-summary-goto-subject parent))))
10662 (defun gnus-summary-down-thread (n)
10663 "Go down thread N steps.
10664 If N is negative, go up instead.
10665 Returns the difference between N and how many steps down that were
10670 (while (and (> n 0)
10671 (if up (gnus-summary-go-up-thread)
10672 (gnus-summary-go-down-thread)))
10674 (gnus-summary-position-point)
10676 (gnus-message 7 "Can't go further"))
10679 (defun gnus-summary-up-thread (n)
10680 "Go up thread N steps.
10681 If N is negative, go down instead.
10682 Returns the difference between N and how many steps down that were
10685 (gnus-summary-down-thread (- n)))
10687 (defun gnus-summary-top-thread ()
10688 "Go to the top of the thread."
10690 (while (gnus-summary-go-up-thread))
10691 (gnus-summary-article-number))
10693 (defun gnus-summary-kill-thread (&optional unmark)
10694 "Mark articles under current thread as read.
10695 If the prefix argument is positive, remove any kinds of marks.
10696 If the prefix argument is negative, tick articles instead."
10699 (setq unmark (prefix-numeric-value unmark)))
10700 (let ((articles (gnus-summary-articles-in-thread)))
10702 ;; Expand the thread.
10703 (gnus-summary-show-thread)
10704 ;; Mark all the articles.
10706 (gnus-summary-goto-subject (car articles))
10707 (cond ((null unmark)
10708 (gnus-summary-mark-article-as-read gnus-killed-mark))
10710 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10712 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10713 (setq articles (cdr articles))))
10714 ;; Hide killed subtrees.
10716 gnus-thread-hide-killed
10717 (gnus-summary-hide-thread))
10718 ;; If marked as read, go to next unread subject.
10719 (when (null unmark)
10720 ;; Go to next unread subject.
10721 (gnus-summary-next-subject 1 t)))
10722 (gnus-set-mode-line 'summary))
10724 ;; Summary sorting commands
10726 (defun gnus-summary-sort-by-number (&optional reverse)
10727 "Sort the summary buffer by article number.
10728 Argument REVERSE means reverse order."
10730 (gnus-summary-sort 'number reverse))
10732 (defun gnus-summary-sort-by-random (&optional reverse)
10733 "Randomize the order in the summary buffer.
10734 Argument REVERSE means to randomize in reverse order."
10736 (gnus-summary-sort 'random reverse))
10738 (defun gnus-summary-sort-by-author (&optional reverse)
10739 "Sort the summary buffer by author name alphabetically.
10740 If `case-fold-search' is non-nil, case of letters is ignored.
10741 Argument REVERSE means reverse order."
10743 (gnus-summary-sort 'author reverse))
10745 (defun gnus-summary-sort-by-subject (&optional reverse)
10746 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10747 If `case-fold-search' is non-nil, case of letters is ignored.
10748 Argument REVERSE means reverse order."
10750 (gnus-summary-sort 'subject reverse))
10752 (defun gnus-summary-sort-by-date (&optional reverse)
10753 "Sort the summary buffer by date.
10754 Argument REVERSE means reverse order."
10756 (gnus-summary-sort 'date reverse))
10758 (defun gnus-summary-sort-by-score (&optional reverse)
10759 "Sort the summary buffer by score.
10760 Argument REVERSE means reverse order."
10762 (gnus-summary-sort 'score reverse))
10764 (defun gnus-summary-sort-by-lines (&optional reverse)
10765 "Sort the summary buffer by the number of lines.
10766 Argument REVERSE means reverse order."
10768 (gnus-summary-sort 'lines reverse))
10770 (defun gnus-summary-sort-by-chars (&optional reverse)
10771 "Sort the summary buffer by article length.
10772 Argument REVERSE means reverse order."
10774 (gnus-summary-sort 'chars reverse))
10776 (defun gnus-summary-sort-by-original (&optional reverse)
10777 "Sort the summary buffer using the default sorting method.
10778 Argument REVERSE means reverse order."
10780 (let* ((buffer-read-only)
10781 (gnus-summary-prepare-hook nil))
10782 ;; We do the sorting by regenerating the threads.
10783 (gnus-summary-prepare)
10784 ;; Hide subthreads if needed.
10785 (gnus-summary-maybe-hide-threads)))
10787 (defun gnus-summary-sort (predicate reverse)
10788 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10789 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10790 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10791 (gnus-thread-sort-functions
10796 (gnus-sort-gathered-threads-function
10797 gnus-thread-sort-functions)
10798 (gnus-article-sort-functions
10802 (,article t2 t1))))
10804 (gnus-summary-prepare-hook nil))
10805 ;; We do the sorting by regenerating the threads.
10806 (gnus-summary-prepare)
10807 ;; Hide subthreads if needed.
10808 (gnus-summary-maybe-hide-threads)))
10810 ;; Summary saving commands.
10812 (defun gnus-summary-save-article (&optional n not-saved)
10813 "Save the current article using the default saver function.
10814 If N is a positive number, save the N next articles.
10815 If N is a negative number, save the N previous articles.
10816 If N is nil and any articles have been marked with the process mark,
10817 save those articles instead.
10818 The variable `gnus-default-article-saver' specifies the saver function."
10820 (let* ((articles (gnus-summary-work-articles n))
10821 (save-buffer (save-excursion
10822 (nnheader-set-temp-buffer " *Gnus Save*")))
10823 (num (length articles))
10825 (dolist (article articles)
10826 (setq header (gnus-summary-article-header article))
10827 (if (not (vectorp header))
10828 ;; This is a pseudo-article.
10829 (if (assq 'name header)
10830 (gnus-copy-file (cdr (assq 'name header)))
10831 (gnus-message 1 "Article %d is unsaveable" article))
10832 ;; This is a real article.
10833 (save-window-excursion
10834 (let ((gnus-display-mime-function nil)
10835 (gnus-article-prepare-hook nil))
10836 (gnus-summary-select-article t nil nil article)))
10838 (set-buffer save-buffer)
10840 (insert-buffer-substring gnus-original-article-buffer))
10841 (setq file (gnus-article-save save-buffer file num))
10842 (gnus-summary-remove-process-mark article)
10844 (gnus-summary-set-saved-mark article))))
10845 (gnus-kill-buffer save-buffer)
10846 (gnus-summary-position-point)
10847 (gnus-set-mode-line 'summary)
10850 (defun gnus-summary-pipe-output (&optional arg headers)
10851 "Pipe the current article to a subprocess.
10852 If N is a positive number, pipe the N next articles.
10853 If N is a negative number, pipe the N previous articles.
10854 If N is nil and any articles have been marked with the process mark,
10855 pipe those articles instead.
10856 If HEADERS (the symbolic prefix), include the headers, too."
10857 (interactive (gnus-interactive "P\ny"))
10858 (require 'gnus-art)
10859 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10860 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10861 (gnus-summary-save-article arg t))
10862 (let ((buffer (get-buffer "*Shell Command Output*")))
10864 (not (zerop (buffer-size buffer))))
10865 (gnus-configure-windows 'pipe))))
10867 (defun gnus-summary-save-article-mail (&optional arg)
10868 "Append the current article to an mail file.
10869 If N is a positive number, save the N next articles.
10870 If N is a negative number, save the N previous articles.
10871 If N is nil and any articles have been marked with the process mark,
10872 save those articles instead."
10874 (require 'gnus-art)
10875 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10876 (gnus-summary-save-article arg)))
10878 (defun gnus-summary-save-article-rmail (&optional arg)
10879 "Append the current article to an rmail file.
10880 If N is a positive number, save the N next articles.
10881 If N is a negative number, save the N previous articles.
10882 If N is nil and any articles have been marked with the process mark,
10883 save those articles instead."
10885 (require 'gnus-art)
10886 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10887 (gnus-summary-save-article arg)))
10889 (defun gnus-summary-save-article-file (&optional arg)
10890 "Append the current article to a file.
10891 If N is a positive number, save the N next articles.
10892 If N is a negative number, save the N previous articles.
10893 If N is nil and any articles have been marked with the process mark,
10894 save those articles instead."
10896 (require 'gnus-art)
10897 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10898 (gnus-summary-save-article arg)))
10900 (defun gnus-summary-write-article-file (&optional arg)
10901 "Write the current article to a file, deleting the previous file.
10902 If N is a positive number, save the N next articles.
10903 If N is a negative number, save the N previous articles.
10904 If N is nil and any articles have been marked with the process mark,
10905 save those articles instead."
10907 (require 'gnus-art)
10908 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10909 (gnus-summary-save-article arg)))
10911 (defun gnus-summary-save-article-body-file (&optional arg)
10912 "Append the current article body to a file.
10913 If N is a positive number, save the N next articles.
10914 If N is a negative number, save the N previous articles.
10915 If N is nil and any articles have been marked with the process mark,
10916 save those articles instead."
10918 (require 'gnus-art)
10919 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10920 (gnus-summary-save-article arg)))
10922 (defun gnus-summary-muttprint (&optional arg)
10923 "Print the current article using Muttprint.
10924 If N is a positive number, save the N next articles.
10925 If N is a negative number, save the N previous articles.
10926 If N is nil and any articles have been marked with the process mark,
10927 save those articles instead."
10929 (require 'gnus-art)
10930 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10931 (gnus-summary-save-article arg t)))
10933 (defun gnus-summary-pipe-message (program)
10934 "Pipe the current article through PROGRAM."
10935 (interactive "sProgram: ")
10936 (gnus-summary-select-article)
10937 (let ((mail-header-separator ""))
10938 (gnus-eval-in-buffer-window gnus-article-buffer
10941 (let ((start (window-start))
10943 (message-pipe-buffer-body program)
10944 (set-window-start (get-buffer-window (current-buffer)) start))))))
10946 (defun gnus-get-split-value (methods)
10947 "Return a value based on the split METHODS."
10948 (let (split-name method result match)
10951 (set-buffer gnus-original-article-buffer)
10953 (nnheader-narrow-to-headers)
10954 (while (and methods (not split-name))
10955 (goto-char (point-min))
10956 (setq method (pop methods))
10957 (setq match (car method))
10960 ;; Regular expression.
10962 (re-search-forward match nil t)))
10967 (setq result (funcall match gnus-newsgroup-name))))
10972 (setq result (eval match)))))
10973 (setq split-name (cdr method))
10974 (cond ((stringp result)
10975 (push (expand-file-name
10976 result gnus-article-save-directory)
10979 (setq split-name (append result split-name)))))))))
10980 (nreverse split-name)))
10982 (defun gnus-valid-move-group-p (group)
10983 (and (boundp group)
10984 (symbol-name group)
10985 (symbol-value group)
10986 (gnus-get-function (gnus-find-method-for-group
10987 (symbol-name group)) 'request-accept-article t)))
10989 (defun gnus-read-move-group-name (prompt default articles prefix)
10990 "Read a group name."
10991 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10992 (minibuffer-confirm-incomplete nil) ; XEmacs
10994 (format "%s %s to:"
10996 (if (> (length articles) 1)
10997 (format "these %d articles" (length articles))
11002 (gnus-completing-read-with-default
11005 'gnus-valid-move-group-p
11007 'gnus-group-history))
11008 ((= 1 (length split-name))
11009 (gnus-completing-read-with-default
11010 (car split-name) prom
11012 'gnus-valid-move-group-p
11014 'gnus-group-history))
11016 (gnus-completing-read-with-default
11018 (mapcar (lambda (el) (list el))
11019 (nreverse split-name))
11021 'gnus-group-history))))
11022 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11024 (if (or (string= to-newsgroup "")
11025 (string= to-newsgroup prefix))
11026 (setq to-newsgroup default))
11027 (unless to-newsgroup
11028 (error "No group name entered"))
11029 (or (gnus-active to-newsgroup)
11030 (gnus-activate-group to-newsgroup nil nil to-method)
11031 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11033 (or (and (gnus-request-create-group to-newsgroup to-method)
11034 (gnus-activate-group
11035 to-newsgroup nil nil to-method)
11036 (gnus-subscribe-group to-newsgroup))
11037 (error "Couldn't create group %s" to-newsgroup)))
11038 (error "No such group: %s" to-newsgroup)))
11041 (defun gnus-summary-save-parts (type dir n &optional reverse)
11042 "Save parts matching TYPE to DIR.
11043 If REVERSE, save parts that do not match TYPE."
11045 (list (read-string "Save parts of type: "
11046 (or (car gnus-summary-save-parts-type-history)
11047 gnus-summary-save-parts-default-mime)
11048 'gnus-summary-save-parts-type-history)
11049 (setq gnus-summary-save-parts-last-directory
11050 (read-file-name "Save to directory: "
11051 gnus-summary-save-parts-last-directory
11053 current-prefix-arg))
11054 (gnus-summary-iterate n
11055 (let ((gnus-display-mime-function nil)
11056 (gnus-inhibit-treatment t))
11057 (gnus-summary-select-article))
11059 (set-buffer gnus-article-buffer)
11060 (let ((handles (or gnus-article-mime-handles
11061 (mm-dissect-buffer nil gnus-article-loose-mime)
11062 (and gnus-article-emulate-mime
11063 (mm-uu-dissect)))))
11065 (gnus-summary-save-parts-1 type dir handles reverse)
11066 (unless gnus-article-mime-handles ;; Don't destroy this case.
11067 (mm-destroy-parts handles)))))))
11069 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11070 (if (stringp (car handle))
11071 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11074 (not (string-match type (mm-handle-media-type handle)))
11075 (string-match type (mm-handle-media-type handle)))
11076 (let ((file (expand-file-name
11078 mm-file-name-rewrite-functions
11079 (file-name-nondirectory
11081 (mail-content-type-get
11082 (mm-handle-disposition handle) 'filename)
11083 (concat gnus-newsgroup-name
11084 "." (number-to-string
11085 (cdr gnus-article-current))))))
11087 (unless (file-exists-p file)
11088 (mm-save-part-to-file handle file))))))
11090 ;; Summary extract commands
11092 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11093 (let ((buffer-read-only nil)
11094 (article (gnus-summary-article-number))
11096 (unless (gnus-summary-goto-subject article)
11097 (error "No such article: %d" article))
11098 (gnus-summary-position-point)
11099 ;; If all commands are to be bunched up on one line, we collect
11101 (unless gnus-view-pseudos-separately
11102 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11105 (setq action (cdr (assq 'action (car ps))))
11106 (setq files (list (cdr (assq 'name (car ps)))))
11107 (while (and ps (cdr ps)
11108 (string= (or action "1")
11109 (or (cdr (assq 'action (cadr ps))) "2")))
11110 (push (cdr (assq 'name (cadr ps))) files)
11111 (setcdr ps (cddr ps)))
11113 (when (not (string-match "%s" action))
11116 (when (assq 'execute (car ps))
11117 (setcdr (assq 'execute (car ps))
11118 (funcall (if (string-match "%s" action)
11125 (gnus-quote-arg-for-sh-or-csh f)))
11127 (setq ps (cdr ps)))))
11128 (if (and gnus-view-pseudos (not not-view))
11130 (when (assq 'execute (car pslist))
11131 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11132 (eq gnus-view-pseudos 'not-confirm)))
11133 (setq pslist (cdr pslist)))
11136 (setq after-article (or (cdr (assq 'article (car pslist)))
11137 (gnus-summary-article-number)))
11138 (gnus-summary-goto-subject after-article)
11141 (insert " " (file-name-nondirectory
11142 (cdr (assq 'name (car pslist))))
11143 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11145 (forward-line -1) ; back to `b'
11146 (gnus-add-text-properties
11147 b (1- e) (list 'gnus-number gnus-reffed-article-number
11148 gnus-mouse-face-prop gnus-mouse-face))
11150 after-article gnus-reffed-article-number
11151 gnus-unread-mark b (car pslist) 0 (- e b))
11152 (setq gnus-newsgroup-unreads
11153 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11154 gnus-reffed-article-number))
11155 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11156 (setq pslist (cdr pslist)))))))
11158 (defun gnus-pseudos< (p1 p2)
11159 (let ((c1 (cdr (assq 'action p1)))
11160 (c2 (cdr (assq 'action p2))))
11161 (and c1 c2 (string< c1 c2))))
11163 (defun gnus-request-pseudo-article (props)
11164 (cond ((assq 'execute props)
11165 (gnus-execute-command (cdr (assq 'execute props)))))
11166 (let ((gnus-current-article (gnus-summary-article-number)))
11167 (gnus-run-hooks 'gnus-mark-article-hook)))
11169 (defun gnus-execute-command (command &optional automatic)
11171 (gnus-article-setup-buffer)
11172 (set-buffer gnus-article-buffer)
11173 (setq buffer-read-only nil)
11174 (let ((command (if automatic command
11175 (read-string "Command: " (cons command 0)))))
11177 (insert "$ " command "\n\n")
11178 (if gnus-view-pseudo-asynchronously
11179 (start-process "gnus-execute" (current-buffer) shell-file-name
11180 shell-command-switch command)
11181 (call-process shell-file-name nil t nil
11182 shell-command-switch command)))))
11184 ;; Summary kill commands.
11186 (defun gnus-summary-edit-global-kill (article)
11187 "Edit the \"global\" kill file."
11188 (interactive (list (gnus-summary-article-number)))
11189 (gnus-group-edit-global-kill article))
11191 (defun gnus-summary-edit-local-kill ()
11192 "Edit a local kill file applied to the current newsgroup."
11194 (setq gnus-current-headers (gnus-summary-article-header))
11195 (gnus-group-edit-local-kill
11196 (gnus-summary-article-number) gnus-newsgroup-name))
11198 ;;; Header reading.
11200 (defun gnus-read-header (id &optional header)
11201 "Read the headers of article ID and enter them into the Gnus system."
11202 (let ((group gnus-newsgroup-name)
11203 (gnus-override-method
11205 gnus-override-method
11206 (and (gnus-news-group-p gnus-newsgroup-name)
11207 (car (gnus-refer-article-methods)))))
11209 ;; First we check to see whether the header in question is already
11212 ;; This is a Message-ID.
11213 (setq header (or header (gnus-id-to-header id)))
11214 ;; This is an article number.
11215 (setq header (or header (gnus-summary-article-header id))))
11217 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11218 ;; We have found the header.
11220 ;; If this is a sparse article, we have to nix out its
11221 ;; previous entry in the thread hashtb.
11223 (gnus-summary-article-sparse-p (mail-header-number header)))
11224 (let* ((parent (gnus-parent-id (mail-header-references header)))
11225 (thread (and parent (gnus-id-to-thread parent))))
11227 (delq (assq header thread) thread))))
11228 ;; We have to really fetch the header to this article.
11230 (set-buffer nntp-server-buffer)
11231 (when (setq where (gnus-request-head id group))
11232 (nnheader-fold-continuation-lines)
11233 (goto-char (point-max))
11235 (goto-char (point-min))
11239 ((cdr where) (cdr where))
11240 (header (mail-header-number header))
11241 (t gnus-reffed-article-number))
11243 (insert " Article retrieved.\n"))
11244 (if (or (not where)
11245 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11246 () ; Malformed head.
11247 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11248 (when (and (stringp id)
11249 (not (string= (gnus-group-real-name group)
11251 ;; If we fetched by Message-ID and the article came
11252 ;; from a different group, we fudge some bogus article
11253 ;; numbers for this article.
11254 (mail-header-set-number header gnus-reffed-article-number))
11256 (set-buffer gnus-summary-buffer)
11257 (decf gnus-reffed-article-number)
11258 (gnus-remove-header (mail-header-number header))
11259 (push header gnus-newsgroup-headers)
11260 (setq gnus-current-headers header)
11261 (push (mail-header-number header) gnus-newsgroup-limit)))
11264 (defun gnus-remove-header (number)
11265 "Remove header NUMBER from `gnus-newsgroup-headers'."
11266 (if (and gnus-newsgroup-headers
11267 (= number (mail-header-number (car gnus-newsgroup-headers))))
11268 (pop gnus-newsgroup-headers)
11269 (let ((headers gnus-newsgroup-headers))
11270 (while (and (cdr headers)
11271 (not (= number (mail-header-number (cadr headers)))))
11273 (when (cdr headers)
11274 (setcdr headers (cddr headers))))))
11277 ;;; summary highlights
11280 (defun gnus-highlight-selected-summary ()
11281 "Highlight selected article in summary buffer."
11282 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11283 (when gnus-summary-selected-face
11285 (let* ((beg (gnus-point-at-bol))
11286 (end (gnus-point-at-eol))
11287 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11288 (from (if (get-text-property beg gnus-mouse-face-prop)
11290 (or (next-single-property-change
11291 beg gnus-mouse-face-prop nil end)
11296 (or (next-single-property-change
11297 from gnus-mouse-face-prop nil end)
11299 ;; If no mouse-face prop on line we will have to = from = end,
11300 ;; so we highlight the entire line instead.
11301 (when (= (+ to 2) from)
11304 (if gnus-newsgroup-selected-overlay
11305 ;; Move old overlay.
11307 gnus-newsgroup-selected-overlay from to (current-buffer))
11308 ;; Create new overlay.
11310 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11311 'face gnus-summary-selected-face))))))
11313 (defvar gnus-summary-highlight-line-cached nil)
11314 (defvar gnus-summary-highlight-line-trigger nil)
11316 (defun gnus-summary-highlight-line-0 ()
11317 (if (and (eq gnus-summary-highlight-line-trigger
11318 gnus-summary-highlight)
11319 gnus-summary-highlight-line-cached)
11320 gnus-summary-highlight-line-cached
11321 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11322 gnus-summary-highlight-line-cached
11323 (let* ((cond (list 'cond))
11325 (list gnus-summary-highlight))
11327 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11331 (gnus-byte-compile (list 'lambda nil cond))))))
11333 (defun gnus-summary-highlight-line ()
11334 "Highlight current line according to `gnus-summary-highlight'."
11335 (let* ((beg (gnus-point-at-bol))
11336 (article (or (gnus-summary-article-number) gnus-current-article))
11337 (score (or (cdr (assq article
11338 gnus-newsgroup-scored))
11339 gnus-summary-default-score 0))
11340 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11341 (inhibit-read-only t)
11342 (default gnus-summary-default-score)
11343 (default-high gnus-summary-default-high-score)
11344 (default-low gnus-summary-default-low-score)
11345 (uncached (and gnus-summary-use-undownloaded-faces
11346 (memq article gnus-newsgroup-undownloaded))))
11347 (let ((face (funcall (gnus-summary-highlight-line-0))))
11348 (unless (eq face (get-text-property beg 'face))
11349 (gnus-put-text-property-excluding-characters-with-faces
11350 beg (gnus-point-at-eol) 'face
11351 (setq face (if (boundp face) (symbol-value face) face)))
11352 (when gnus-summary-highlight-line-function
11353 (funcall gnus-summary-highlight-line-function article face))))))
11355 (defun gnus-update-read-articles (group unread &optional compute)
11356 "Update the list of read articles in GROUP.
11357 UNREAD is a sorted list."
11358 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11359 (entry (gnus-gethash group gnus-newsrc-hashtb))
11360 (info (nth 2 entry))
11363 (if (or (not info) (not active))
11364 ;; There is no info on this group if it was, in fact,
11365 ;; killed. Gnus stores no information on killed groups, so
11366 ;; there's nothing to be done.
11367 ;; One could store the information somewhere temporarily,
11368 ;; perhaps... Hmmm...
11370 ;; Remove any negative articles numbers.
11371 (while (and unread (< (car unread) 0))
11372 (setq unread (cdr unread)))
11373 ;; Remove any expired article numbers
11374 (while (and unread (< (car unread) (car active)))
11375 (setq unread (cdr unread)))
11376 ;; Compute the ranges of read articles by looking at the list of
11377 ;; unread articles.
11379 (when (/= (car unread) prev)
11380 (push (if (= prev (1- (car unread))) prev
11381 (cons prev (1- (car unread))))
11383 (setq prev (1+ (car unread)))
11384 (setq unread (cdr unread)))
11385 (when (<= prev (cdr active))
11386 (push (cons prev (cdr active)) read))
11387 (setq read (if (> (length read) 1) (nreverse read) read))
11392 ;; Propagate the read marks to the backend.
11393 (when (gnus-check-backend-function 'request-set-mark group)
11394 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11395 (add (gnus-remove-from-range read (gnus-info-read info))))
11397 (unless (gnus-check-group group)
11398 (error "Can't open server for %s" group))
11399 (gnus-request-set-mark
11400 group (delq nil (list (if add (list add 'add '(read)))
11401 (if del (list del 'del '(read))))))
11403 `(gnus-request-set-mark
11406 (if del (list del 'add '(read)))
11407 (if add (list add 'del '(read))))))))))
11408 (set-buffer gnus-group-buffer)
11409 (gnus-undo-register
11411 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11412 (gnus-info-set-read ',info ',(gnus-info-read info))
11413 (gnus-get-unread-articles-in-group ',info
11414 (gnus-active ,group))
11415 (gnus-group-update-group ,group t)
11417 ;; Enter this list into the group info.
11418 (gnus-info-set-read info read)
11419 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11420 (gnus-get-unread-articles-in-group info (gnus-active group))
11423 (defun gnus-offer-save-summaries ()
11424 "Offer to save all active summary buffers."
11426 ;; Go through all buffers and find all summaries.
11427 (dolist (buffer (buffer-list))
11428 (when (and (setq buffer (buffer-name buffer))
11429 (string-match "Summary" buffer)
11431 (set-buffer buffer)
11432 ;; We check that this is, indeed, a summary buffer.
11433 (and (eq major-mode 'gnus-summary-mode)
11434 ;; Also make sure this isn't bogus.
11435 gnus-newsgroup-prepared
11436 ;; Also make sure that this isn't a
11437 ;; dead summary buffer.
11438 (not gnus-dead-summary-mode))))
11439 (push buffer buffers)))
11440 ;; Go through all these summary buffers and offer to save them.
11444 "Update summary buffer %s? "
11446 (switch-to-buffer buf)
11447 (gnus-summary-exit))
11451 ;;; @ for mime-partial
11454 (defun gnus-request-partial-message ()
11456 (let ((number (gnus-summary-article-number))
11457 (group gnus-newsgroup-name)
11458 (mother gnus-article-buffer))
11459 (set-buffer (get-buffer-create " *Partial Article*"))
11461 (setq mime-preview-buffer mother)
11462 (gnus-request-article-this-buffer number group)
11463 (mime-parse-buffer)
11466 (autoload 'mime-combine-message/partial-pieces-automatically
11468 "Internal method to combine message/partial messages automatically.")
11470 (mime-add-condition
11471 'action '((type . message)(subtype . partial)
11472 (major-mode . gnus-original-article-mode)
11473 (method . mime-combine-message/partial-pieces-automatically)
11474 (summary-buffer-exp . gnus-summary-buffer)
11475 (request-partial-message-method . gnus-request-partial-message)
11479 ;;; @ for message/rfc822
11482 (defun gnus-mime-extract-message/rfc822 (entity situation)
11483 "Burst a forwarded article."
11485 (set-buffer gnus-summary-buffer)
11486 (let* ((group (completing-read "Group: " gnus-active-hashtb nil t
11487 gnus-newsgroup-name 'gnus-group-history))
11488 (gnus-group-marked (list group))
11491 (mime-insert-entity-content entity)
11492 (setq article (gnus-request-accept-article group)))
11493 (when (and (consp article)
11494 (numberp (setq article (cdr article))))
11495 (setq info (gnus-get-info group))
11496 (gnus-info-set-read info
11497 (gnus-remove-from-range (gnus-info-read info)
11499 (when (string-equal group gnus-newsgroup-name)
11501 (let (gnus-show-threads)
11502 (gnus-summary-goto-subject article t))
11503 (gnus-summary-clear-mark-forward 1))
11504 (set-buffer gnus-group-buffer)
11505 (gnus-group-get-new-news-this-group nil t)))))
11507 (mime-add-condition
11508 'action '((type . message)(subtype . rfc822)
11509 (major-mode . gnus-original-article-mode)
11510 (method . gnus-mime-extract-message/rfc822)
11514 (mime-add-condition
11515 'action '((type . message)(subtype . news)
11516 (major-mode . gnus-original-article-mode)
11517 (method . gnus-mime-extract-message/rfc822)
11521 (defun gnus-mime-extract-multipart (entity situation)
11522 (let ((children (mime-entity-children entity))
11523 mime-acting-situation-to-override
11526 (mime-play-entity (car children)
11527 (cons (assq 'mode situation)
11528 mime-acting-situation-to-override))
11529 (setq children (cdr children)))
11530 (if (setq f (cdr (assq 'after-method
11531 mime-acting-situation-to-override)))
11535 (mime-add-condition
11536 'action '((type . multipart)
11537 (method . gnus-mime-extract-multipart)
11546 (defun gnus-summary-inherit-default-charset ()
11547 "Import `default-mime-charset' from summary buffer.
11548 Also take care of `default-mime-charset-unlimited' if the LIMIT version
11550 (if (buffer-live-p gnus-summary-buffer)
11551 (let (d-m-c d-m-c-u)
11552 (with-current-buffer gnus-summary-buffer
11553 (setq d-m-c (if (local-variable-p 'default-mime-charset
11554 gnus-summary-buffer)
11555 default-mime-charset
11558 d-m-c-u (if (local-variable-p 'default-mime-charset-unlimited
11559 gnus-summary-buffer)
11560 (symbol-value 'default-mime-charset-unlimited)
11563 (kill-local-variable 'default-mime-charset)
11564 (set (make-local-variable 'default-mime-charset) d-m-c))
11566 (kill-local-variable 'default-mime-charset-unlimited)
11567 (set (make-local-variable 'default-mime-charset-unlimited)
11570 (defun gnus-summary-setup-default-charset ()
11571 "Setup newsgroup default charset."
11572 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11574 (setq gnus-newsgroup-charset nil)
11575 (set (make-local-variable 'default-mime-charset) nil)
11576 (when (boundp 'default-mime-charset-unlimited);; LIMIT
11577 (set (make-local-variable 'default-mime-charset-unlimited) nil)))
11578 (let ((ignored-charsets
11579 (or gnus-newsgroup-ephemeral-ignored-charsets
11581 (and gnus-newsgroup-name
11582 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11583 gnus-newsgroup-ignored-charsets)))
11585 (setq gnus-newsgroup-charset
11586 (or gnus-newsgroup-ephemeral-charset
11587 (when (and gnus-newsgroup-name
11588 (setq charset (gnus-parameter-charset
11589 gnus-newsgroup-name)))
11590 (make-local-variable 'default-mime-charset)
11591 (setq default-mime-charset charset))
11592 gnus-default-charset))
11593 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11594 ignored-charsets))))
11600 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11601 "Display the current article buffer fully MIME-buttonized.
11602 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11603 treated as multipart/mixed."
11605 (require 'gnus-art)
11606 (let ((gnus-unbuttonized-mime-types nil)
11607 (gnus-mime-display-multipart-as-mixed show-all-parts))
11608 (gnus-summary-show-article)))
11610 (defun gnus-summary-repair-multipart (article)
11611 "Add a Content-Type header to a multipart article without one."
11612 (interactive (list (gnus-summary-article-number)))
11613 (gnus-with-article article
11614 (message-narrow-to-head)
11615 (message-remove-header "Mime-Version")
11616 (goto-char (point-max))
11617 (insert "Mime-Version: 1.0\n")
11619 (when (search-forward "\n--" nil t)
11620 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11621 (message-narrow-to-head)
11622 (message-remove-header "Content-Type")
11623 (goto-char (point-max))
11624 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11627 (let (gnus-mark-article-hook)
11628 (gnus-summary-select-article t t nil article)))
11630 (defun gnus-summary-toggle-display-buttonized ()
11631 "Toggle the buttonizing of the article buffer."
11633 (require 'gnus-art)
11634 (if (setq gnus-inhibit-mime-unbuttonizing
11635 (not gnus-inhibit-mime-unbuttonizing))
11636 (let ((gnus-unbuttonized-mime-types nil))
11637 (gnus-summary-show-article))
11638 (gnus-summary-show-article)))
11641 ;;; Intelli-mouse commmands
11644 (defun gnus-wheel-summary-scroll (event)
11646 (let ((amount (if (memq 'shift (event-modifiers event))
11647 (car gnus-wheel-scroll-amount)
11648 (cdr gnus-wheel-scroll-amount)))
11649 (direction (- (* (static-if (featurep 'xemacs)
11650 (event-button event)
11651 (cond ((eq 'mouse-4 (event-basic-type event))
11653 ((eq 'mouse-5 (event-basic-type event))
11657 (gnus-summary-scroll-up (* amount direction))
11658 (when (gnus-eval-in-buffer-window gnus-article-buffer
11661 (and (if (< 0 direction)
11662 (gnus-article-next-page 0)
11663 (gnus-article-prev-page 0)
11665 (if (setq edge (get-text-property
11666 (point-min) 'gnus-wheel-edge))
11667 (setq edge (* edge direction))
11670 (let ((buffer-read-only nil)
11671 (inhibit-read-only t))
11672 (put-text-property (point-min) (point-max)
11673 'gnus-wheel-edge direction)
11675 (or (> edge gnus-wheel-edge-resistance)
11676 (let ((buffer-read-only nil)
11677 (inhibit-read-only t))
11678 (put-text-property (point-min) (point-max)
11680 (* (1+ edge) direction))
11682 (eq last-command 'gnus-wheel-summary-scroll))))
11683 (gnus-summary-next-article nil nil (minusp direction)))))
11685 (defun gnus-wheel-install ()
11686 "Enable mouse wheel support on summary window."
11687 (when gnus-use-wheel
11689 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
11691 (define-key gnus-summary-mode-map key
11692 'gnus-wheel-summary-scroll)))))
11694 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
11697 ;;; Traditional PGP commmands
11700 (defun gnus-summary-decrypt-article (&optional force)
11701 "Decrypt the current article in traditional PGP way.
11702 This will have permanent effect only in mail groups.
11703 If FORCE is non-nil, allow editing of articles even in read-only
11706 (gnus-summary-select-article t)
11707 (gnus-eval-in-buffer-window gnus-article-buffer
11711 (goto-char (point-min))
11712 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
11713 (error "Not a traditional PGP message!"))
11714 (let ((armor-start (match-beginning 0)))
11715 (if (and (pgg-decrypt-region armor-start (point-max))
11716 (or force (not (gnus-group-read-only-p))))
11717 (let ((inhibit-read-only t)
11719 (delete-region armor-start
11721 (re-search-forward "^-+END PGP" nil t)
11722 (beginning-of-line 2)
11724 (insert-buffer-substring pgg-output-buffer))))))))
11726 (defun gnus-summary-verify-article ()
11727 "Verify the current article in traditional PGP way."
11730 (set-buffer gnus-original-article-buffer)
11731 (goto-char (point-min))
11732 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
11733 (error "Not a traditional PGP message!"))
11734 (re-search-forward "^-+END PGP" nil t)
11735 (beginning-of-line 2)
11736 (call-interactively (function pgg-verify-region))))
11739 ;;; Generic summary marking commands
11742 (defvar gnus-summary-marking-alist
11743 '((read gnus-del-mark "d")
11744 (unread gnus-unread-mark "u")
11745 (ticked gnus-ticked-mark "!")
11746 (dormant gnus-dormant-mark "?")
11747 (expirable gnus-expirable-mark "e"))
11748 "An alist of names/marks/keystrokes.")
11750 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11751 (defvar gnus-summary-mark-map)
11753 (defun gnus-summary-make-all-marking-commands ()
11754 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11755 (dolist (elem gnus-summary-marking-alist)
11756 (apply 'gnus-summary-make-marking-command elem)))
11758 (defun gnus-summary-make-marking-command (name mark keystroke)
11759 (let ((map (make-sparse-keymap)))
11760 (define-key gnus-summary-generic-mark-map keystroke map)
11761 (dolist (lway `((next "next" next nil "n")
11762 (next-unread "next unread" next t "N")
11763 (prev "previous" prev nil "p")
11764 (prev-unread "previous unread" prev t "P")
11765 (nomove "" nil nil ,keystroke)))
11766 (let ((func (gnus-summary-make-marking-command-1
11767 mark (car lway) lway name)))
11768 (setq func (eval func))
11769 (define-key map (nth 4 lway) func)))))
11771 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11773 (format "gnus-summary-put-mark-as-%s%s"
11774 name (if (eq way 'nomove)
11776 (concat "-" (symbol-name way)))))
11779 "Mark the current article as %s%s.
11780 If N, the prefix, then repeat N times.
11781 If N is negative, move in reverse order.
11782 The difference between N and the actual number of articles marked is
11784 name (car (cdr lway)))
11786 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11788 (defun gnus-summary-generic-mark (n mark move unread)
11789 "Mark N articles with MARK."
11790 (unless (eq major-mode 'gnus-summary-mode)
11791 (error "This command can only be used in the summary buffer"))
11792 (gnus-summary-show-thread)
11795 ((eq move 'next) 1)
11796 ((eq move 'prev) -1)
11798 (if (zerop nummove)
11802 nummove (* -1 nummove))))
11803 (while (and (> n 0)
11804 (gnus-summary-mark-article nil mark)
11805 (zerop (gnus-summary-next-subject nummove unread t)))
11808 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11809 (gnus-summary-recenter)
11810 (gnus-summary-position-point)
11811 (gnus-set-mode-line 'summary)
11814 (defun gnus-summary-insert-articles (articles)
11815 (when (setq articles
11816 (gnus-sorted-difference articles
11817 (mapcar (lambda (h)
11818 (mail-header-number h))
11819 gnus-newsgroup-headers)))
11820 (setq gnus-newsgroup-headers
11822 gnus-newsgroup-headers
11823 (gnus-fetch-headers articles)
11824 'gnus-article-sort-by-number))
11825 ;; Suppress duplicates?
11826 (when gnus-suppress-duplicates
11827 (gnus-dup-suppress-articles))
11829 ;; We might want to build some more threads first.
11830 (when (and gnus-fetch-old-headers
11831 (eq gnus-headers-retrieved-by 'nov))
11832 (if (eq gnus-fetch-old-headers 'invisible)
11833 (gnus-build-all-threads)
11834 (gnus-build-old-threads)))
11835 ;; Let the Gnus agent mark articles as read.
11837 (gnus-agent-get-undownloaded-list))
11838 ;; Remove list identifiers from subject
11839 (when gnus-list-identifiers
11840 (gnus-summary-remove-list-identifiers))
11841 ;; First and last article in this newsgroup.
11842 (when gnus-newsgroup-headers
11843 (setq gnus-newsgroup-begin
11844 (mail-header-number (car gnus-newsgroup-headers))
11846 (mail-header-number
11847 (gnus-last-element gnus-newsgroup-headers))))
11848 (when gnus-use-scoring
11849 (gnus-possibly-score-headers))))
11851 (defun gnus-summary-insert-old-articles (&optional all)
11852 "Insert all old articles in this group.
11853 If ALL is non-nil, already read articles become readable.
11854 If ALL is a number, fetch this number of articles."
11857 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11860 ;; Some nntp servers lie about their active range. When
11861 ;; this happens, the active range can be in the millions.
11862 ;; Use a compressed range to avoid creating a huge list.
11863 (gnus-range-difference (list gnus-newsgroup-active) old))
11864 (setq len (gnus-range-length older))
11869 (let ((older-range (nreverse older)))
11873 (let* ((r (pop older-range))
11874 (min (if (numberp r) r (car r)))
11875 (max (if (numberp r) r (cdr r))))
11876 (while (and (<= min max)
11881 (setq older (gnus-uncompress-range older))))
11883 (setq older (gnus-uncompress-range older)))
11885 (when (and (numberp gnus-large-newsgroup)
11886 (> len gnus-large-newsgroup))
11887 (let* ((cursor-in-echo-area nil)
11888 (initial (gnus-parameter-large-newsgroup-initial
11889 gnus-newsgroup-name))
11893 "How many articles from %s (%s %d): "
11895 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11896 (if initial "max" "default")
11899 (cons (number-to-string initial)
11901 (unless (string-match "^[ \t]*$" input)
11902 (setq all (string-to-number input))
11904 (let ((older-range (nreverse older)))
11908 (let* ((r (pop older-range))
11909 (min (if (numberp r) r (car r)))
11910 (max (if (numberp r) r (cdr r))))
11911 (while (and (<= min max)
11915 max (1- max))))))))))
11916 (setq older (gnus-uncompress-range older))))
11918 (message "No old news.")
11919 (gnus-summary-insert-articles older)
11920 (gnus-summary-limit (gnus-sorted-nunion old older))))
11921 (gnus-summary-position-point)))
11923 (defun gnus-summary-insert-new-articles ()
11924 "Insert all new articles in this group."
11927 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11928 (old-active gnus-newsgroup-active)
11929 (nnmail-fetched-sources (list t))
11931 (setq gnus-newsgroup-active
11932 (gnus-activate-group gnus-newsgroup-name 'scan))
11933 (setq i (cdr gnus-newsgroup-active))
11934 (while (> i (cdr old-active))
11938 (message "No gnus is bad news.")
11939 (gnus-summary-insert-articles new)
11940 (setq gnus-newsgroup-unreads
11941 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11942 (gnus-summary-limit (gnus-sorted-nunion old new))))
11943 (gnus-summary-position-point)))
11945 (gnus-summary-make-all-marking-commands)
11947 (gnus-ems-redefine)
11949 (provide 'gnus-sum)
11951 (run-hooks 'gnus-sum-load-hook)
11953 ;; Local Variables:
11954 ;; coding: iso-8859-1
11957 ;;; gnus-sum.el ends here