1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
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.
31 (eval-when-compile (require 'cl))
47 (autoload 'gnus-cache-articles-in-group "gnus-cache")
48 (autoload 'pgg-decrypt-region "pgg" nil t)
49 (autoload 'pgg-verify-region "pgg" nil t))
51 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
52 (autoload 'gnus-cache-write-active "gnus-cache")
53 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
55 (defcustom gnus-kill-summary-on-exit t
56 "*If non-nil, kill the summary buffer when you exit from it.
57 If nil, the summary will become a \"*Dead Summary*\" buffer, and
58 it will be killed sometime later."
59 :group 'gnus-summary-exit
62 (defcustom gnus-fetch-old-headers nil
63 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
64 If an unread article in the group refers to an older, already read (or
65 just marked as read) article, the old article will not normally be
66 displayed in the Summary buffer. If this variable is non-nil, Gnus
67 will attempt to grab the headers to the old articles, and thereby
68 build complete threads. If it has the value `some', only enough
69 headers to connect otherwise loose threads will be displayed. This
70 variable can also be a number. In that case, no more than that number
71 of old headers will be fetched. If it has the value `invisible', all
72 old headers will be fetched, but none will be displayed.
74 The server has to support NOV for any of this to work."
76 :type '(choice (const :tag "off" nil)
79 (sexp :menu-tag "other" t)))
81 (defcustom gnus-refer-thread-limit 200
82 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
83 If t, fetch all the available old headers."
86 (sexp :menu-tag "other" t)))
88 (defcustom gnus-summary-make-false-root 'adopt
89 "*nil means that Gnus won't gather loose threads.
90 If the root of a thread has expired or been read in a previous
91 session, the information necessary to build a complete thread has been
92 lost. Instead of having many small sub-threads from this original thread
93 scattered all over the summary buffer, Gnus can gather them.
95 If non-nil, Gnus will try to gather all loose sub-threads from an
96 original thread into one large thread.
98 If this variable is non-nil, it should be one of `none', `adopt',
101 If this variable is `none', Gnus will not make a false root, but just
102 present the sub-threads after another.
103 If this variable is `dummy', Gnus will create a dummy root that will
104 have all the sub-threads as children.
105 If this variable is `adopt', Gnus will make one of the \"children\"
106 the parent and mark all the step-children as such.
107 If this variable is `empty', the \"children\" are printed with empty
108 subject fields. (Or rather, they will be printed with a string
109 given by the `gnus-summary-same-subject' variable.)"
111 :type '(choice (const :tag "off" nil)
117 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
118 "*A regexp to match subjects to be excluded from loose thread gathering.
119 As loose thread gathering is done on subjects only, that means that
120 there can be many false gatherings performed. By rooting out certain
121 common subjects, gathering might become saner."
125 (defcustom gnus-summary-gather-subject-limit nil
126 "*Maximum length of subject comparisons when gathering loose threads.
127 Use nil to compare full subjects. Setting this variable to a low
128 number will help gather threads that have been corrupted by
129 newsreaders chopping off subject lines, but it might also mean that
130 unrelated articles that have subject that happen to begin with the
131 same few characters will be incorrectly gathered.
133 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
136 :type '(choice (const :tag "off" nil)
138 (sexp :menu-tag "on" t)))
140 (defcustom gnus-simplify-subject-functions nil
141 "List of functions taking a string argument that simplify subjects.
142 The functions are applied recursively.
144 Useful functions to put in this list include: `gnus-simplify-subject-re',
145 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
147 :type '(repeat function))
149 (defcustom gnus-simplify-ignored-prefixes nil
150 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
152 :type '(choice (const :tag "off" nil)
155 (defcustom gnus-build-sparse-threads nil
156 "*If non-nil, fill in the gaps in threads.
157 If `some', only fill in the gaps that are needed to tie loose threads
158 together. If `more', fill in all leaf nodes that Gnus can find. If
159 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
161 :type '(choice (const :tag "off" nil)
164 (sexp :menu-tag "all" t)))
166 (defcustom gnus-summary-thread-gathering-function
167 'gnus-gather-threads-by-subject
168 "*Function used for gathering loose threads.
169 There are two pre-defined functions: `gnus-gather-threads-by-subject',
170 which only takes Subjects into consideration; and
171 `gnus-gather-threads-by-references', which compared the References
172 headers of the articles to find matches."
174 :type '(radio (function-item gnus-gather-threads-by-subject)
175 (function-item gnus-gather-threads-by-references)
176 (function :tag "other")))
178 (defcustom gnus-summary-same-subject ""
179 "*String indicating that the current article has the same subject as the previous.
180 This variable will only be used if the value of
181 `gnus-summary-make-false-root' is `empty'."
182 :group 'gnus-summary-format
185 (defcustom gnus-summary-goto-unread t
186 "*If t, many commands will go to the next unread article.
187 This applies to marking commands as well as other commands that
188 \"naturally\" select the next article, like, for instance, `SPC' at
189 the end of an article.
191 If nil, the marking commands do NOT go to the next unread article
192 (they go to the next article instead). If `never', commands that
193 usually go to the next unread article, will go to the next article,
194 whether it is read or not."
195 :group 'gnus-summary-marks
196 :link '(custom-manual "(gnus)Setting Marks")
197 :type '(choice (const :tag "off" nil)
199 (sexp :menu-tag "on" t)))
201 (defcustom gnus-summary-default-score 0
202 "*Default article score level.
203 All scores generated by the score files will be added to this score.
204 If this variable is nil, scoring will be disabled."
205 :group 'gnus-score-default
206 :type '(choice (const :tag "disable")
209 (defcustom gnus-summary-zcore-fuzz 0
210 "*Fuzziness factor for the zcore in the summary buffer.
211 Articles with scores closer than this to `gnus-summary-default-score'
213 :group 'gnus-summary-format
216 (defcustom gnus-simplify-subject-fuzzy-regexp nil
217 "*Strings to be removed when doing fuzzy matches.
218 This can either be a regular expression or list of regular expressions
219 that will be removed from subject strings if fuzzy subject
220 simplification is selected."
222 :type '(repeat regexp))
224 (defcustom gnus-show-threads t
225 "*If non-nil, display threads in summary mode."
229 (defcustom gnus-thread-hide-subtree nil
230 "*If non-nil, hide all threads initially.
231 If threads are hidden, you have to run the command
232 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
233 to expose hidden threads."
237 (defcustom gnus-thread-hide-killed t
238 "*If non-nil, hide killed threads automatically."
242 (defcustom gnus-thread-ignore-subject t
243 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
244 If nil, articles that have different subjects from their parents will
245 start separate threads."
249 (defcustom gnus-thread-operation-ignore-subject t
250 "*If non-nil, subjects will be ignored when doing thread commands.
251 This affects commands like `gnus-summary-kill-thread' and
252 `gnus-summary-lower-thread'.
254 If this variable is nil, articles in the same thread with different
255 subjects will not be included in the operation in question. If this
256 variable is `fuzzy', only articles that have subjects that are fuzzily
257 equal will be included."
259 :type '(choice (const :tag "off" nil)
263 (defcustom gnus-thread-indent-level 4
264 "*Number that says how much each sub-thread should be indented."
268 (defcustom gnus-auto-extend-newsgroup t
269 "*If non-nil, extend newsgroup forward and backward when requested."
270 :group 'gnus-summary-choose
273 (defcustom gnus-auto-select-first t
274 "*If nil, don't select the first unread article when entering a group.
275 If this variable is `best', select the highest-scored unread article
276 in the group. If t, select the first unread article.
278 This variable can also be a function to place point on a likely
279 subject line. Useful values include `gnus-summary-first-unread-subject',
280 `gnus-summary-first-unread-article' and
281 `gnus-summary-best-unread-article'.
283 If you want to prevent automatic selection of the first unread article
284 in some newsgroups, set the variable to nil in
285 `gnus-select-group-hook'."
286 :group 'gnus-group-select
287 :type '(choice (const :tag "none" nil)
289 (sexp :menu-tag "first" t)
290 (function-item gnus-summary-first-unread-subject)
291 (function-item gnus-summary-first-unread-article)
292 (function-item gnus-summary-best-unread-article)))
294 (defcustom gnus-dont-select-after-jump-to-other-group nil
295 "If non-nil, don't select the first unread article after entering the
296 other group by the command `gnus-summary-jump-to-other-group'. If nil,
297 it is depend on the value of `gnus-auto-select-first' whether to select
299 :group 'gnus-group-select
302 (defcustom gnus-auto-select-next t
303 "*If non-nil, offer to go to the next group from the end of the previous.
304 If the value is t and the next newsgroup is empty, Gnus will exit
305 summary mode and go back to group mode. If the value is neither nil
306 nor t, Gnus will select the following unread newsgroup. In
307 particular, if the value is the symbol `quietly', the next unread
308 newsgroup will be selected without any confirmation, and if it is
309 `almost-quietly', the next group will be selected without any
310 confirmation if you are located on the last article in the group.
311 Finally, if this variable is `slightly-quietly', the `Z n' command
312 will go to the next group without confirmation."
313 :group 'gnus-summary-maneuvering
314 :type '(choice (const :tag "off" nil)
316 (const almost-quietly)
317 (const slightly-quietly)
318 (sexp :menu-tag "on" t)))
320 (defcustom gnus-auto-select-same nil
321 "*If non-nil, select the next article with the same subject.
322 If there are no more articles with the same subject, go to
323 the first unread article."
324 :group 'gnus-summary-maneuvering
327 (defcustom gnus-summary-check-current nil
328 "*If non-nil, consider the current article when moving.
329 The \"unread\" movement commands will stay on the same line if the
330 current article is unread."
331 :group 'gnus-summary-maneuvering
334 (defcustom gnus-auto-center-summary t
335 "*If non-nil, always center the current summary buffer.
336 In particular, if `vertical' do only vertical recentering. If non-nil
337 and non-`vertical', do both horizontal and vertical recentering."
338 :group 'gnus-summary-maneuvering
339 :type '(choice (const :tag "none" nil)
341 (integer :tag "height")
342 (sexp :menu-tag "both" t)))
344 (defcustom gnus-show-all-headers nil
345 "*If non-nil, don't hide any headers."
346 :group 'gnus-article-hiding
347 :group 'gnus-article-headers
350 (defcustom gnus-summary-ignore-duplicates nil
351 "*If non-nil, ignore articles with identical Message-ID headers."
355 (defcustom gnus-single-article-buffer t
356 "*If non-nil, display all articles in the same buffer.
357 If nil, each group will get its own article buffer."
358 :group 'gnus-article-various
361 (defcustom gnus-break-pages t
362 "*If non-nil, do page breaking on articles.
363 The page delimiter is specified by the `gnus-page-delimiter'
365 :group 'gnus-article-various
368 (defcustom gnus-show-mime t
369 "*If non-nil, do mime processing of articles.
370 The articles will simply be fed to the function given by
371 `gnus-article-display-method-for-mime'."
372 :group 'gnus-article-mime
375 (defcustom gnus-move-split-methods nil
376 "*Variable used to suggest where articles are to be moved to.
377 It uses the same syntax as the `gnus-split-methods' variable."
378 :group 'gnus-summary-mail
379 :type '(repeat (choice (list :value (fun) function)
380 (cons :value ("" "") regexp (repeat string))
383 (defcustom gnus-unread-mark ? ;Whitespace
384 "*Mark used for unread articles."
385 :group 'gnus-summary-marks
388 (defcustom gnus-ticked-mark ?!
389 "*Mark used for ticked articles."
390 :group 'gnus-summary-marks
393 (defcustom gnus-dormant-mark ??
394 "*Mark used for dormant articles."
395 :group 'gnus-summary-marks
398 (defcustom gnus-del-mark ?r
399 "*Mark used for del'd articles."
400 :group 'gnus-summary-marks
403 (defcustom gnus-read-mark ?R
404 "*Mark used for read articles."
405 :group 'gnus-summary-marks
408 (defcustom gnus-expirable-mark ?E
409 "*Mark used for expirable articles."
410 :group 'gnus-summary-marks
413 (defcustom gnus-killed-mark ?K
414 "*Mark used for killed articles."
415 :group 'gnus-summary-marks
418 (defcustom gnus-souped-mark ?F
419 "*Mark used for killed articles."
420 :group 'gnus-summary-marks
423 (defcustom gnus-kill-file-mark ?X
424 "*Mark used for articles killed by kill files."
425 :group 'gnus-summary-marks
428 (defcustom gnus-low-score-mark ?Y
429 "*Mark used for articles with a low score."
430 :group 'gnus-summary-marks
433 (defcustom gnus-catchup-mark ?C
434 "*Mark used for articles that are caught up."
435 :group 'gnus-summary-marks
438 (defcustom gnus-replied-mark ?A
439 "*Mark used for articles that have been replied to."
440 :group 'gnus-summary-marks
443 (defcustom gnus-cached-mark ?*
444 "*Mark used for articles that are in the cache."
445 :group 'gnus-summary-marks
448 (defcustom gnus-saved-mark ?S
449 "*Mark used for articles that have been saved to."
450 :group 'gnus-summary-marks
453 (defcustom gnus-ancient-mark ?O
454 "*Mark used for ancient articles."
455 :group 'gnus-summary-marks
458 (defcustom gnus-sparse-mark ?Q
459 "*Mark used for sparsely reffed articles."
460 :group 'gnus-summary-marks
463 (defcustom gnus-canceled-mark ?G
464 "*Mark used for canceled articles."
465 :group 'gnus-summary-marks
468 (defcustom gnus-duplicate-mark ?M
469 "*Mark used for duplicate articles."
470 :group 'gnus-summary-marks
473 (defcustom gnus-undownloaded-mark ?@
474 "*Mark used for articles that weren't downloaded."
475 :group 'gnus-summary-marks
478 (defcustom gnus-downloadable-mark ?%
479 "*Mark used for articles that are to be downloaded."
480 :group 'gnus-summary-marks
483 (defcustom gnus-unsendable-mark ?=
484 "*Mark used for articles that won't be sent."
485 :group 'gnus-summary-marks
488 (defcustom gnus-score-over-mark ?+
489 "*Score mark used for articles with high scores."
490 :group 'gnus-summary-marks
493 (defcustom gnus-score-below-mark ?-
494 "*Score mark used for articles with low scores."
495 :group 'gnus-summary-marks
498 (defcustom gnus-empty-thread-mark ? ;Whitespace
499 "*There is no thread under the article."
500 :group 'gnus-summary-marks
503 (defcustom gnus-not-empty-thread-mark ?=
504 "*There is a thread under the article."
505 :group 'gnus-summary-marks
508 (defcustom gnus-view-pseudo-asynchronously nil
509 "*If non-nil, Gnus will view pseudo-articles asynchronously."
510 :group 'gnus-extract-view
513 (defcustom gnus-auto-expirable-marks
514 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
515 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
516 gnus-souped-mark gnus-duplicate-mark)
517 "*The list of marks converted into expiration if a group is auto-expirable."
519 :type '(repeat character))
521 (defcustom gnus-inhibit-user-auto-expire t
522 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
526 (defcustom gnus-view-pseudos nil
527 "*If `automatic', pseudo-articles will be viewed automatically.
528 If `not-confirm', pseudos will be viewed automatically, and the user
529 will not be asked to confirm the command."
530 :group 'gnus-extract-view
531 :type '(choice (const :tag "off" nil)
533 (const not-confirm)))
535 (defcustom gnus-view-pseudos-separately t
536 "*If non-nil, one pseudo-article will be created for each file to be viewed.
537 If nil, all files that use the same viewing command will be given as a
538 list of parameters to that command."
539 :group 'gnus-extract-view
542 (defcustom gnus-insert-pseudo-articles t
543 "*If non-nil, insert pseudo-articles when decoding articles."
544 :group 'gnus-extract-view
547 (defcustom gnus-summary-dummy-line-format
549 "*The format specification for the dummy roots in the summary buffer.
550 It works along the same lines as a normal formatting string,
551 with some simple extensions.
554 :group 'gnus-threading
557 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
558 "*The format specification for the summary mode line.
559 It works along the same lines as a normal formatting string,
560 with some simple extensions:
563 %p Unprefixed group name
564 %A Current article number
565 %z Current article score
567 %U Number of unread articles in the group
568 %e Number of unselected articles in the group
569 %Z A string with unread/unselected article counts
570 %g Shortish group name
571 %S Subject of the current article
573 %s Current score file name
574 %d Number of dormant articles
575 %r Number of articles that have been marked as read in this session
576 %E Number of articles expunged by the score files"
577 :group 'gnus-summary-format
580 (defcustom gnus-list-identifiers nil
581 "Regexp that matches list identifiers to be removed from subject.
582 This can also be a list of regexps."
583 :group 'gnus-summary-format
584 :group 'gnus-article-hiding
585 :type '(choice (const :tag "none" nil)
587 (repeat :value (".*") regexp)))
589 (defcustom gnus-summary-mark-below 0
590 "*Mark all articles with a score below this variable as read.
591 This variable is local to each summary buffer and usually set by the
593 :group 'gnus-score-default
596 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
597 "*List of functions used for sorting articles in the summary buffer.
598 This variable is only used when not using a threaded display."
599 :group 'gnus-summary-sort
600 :type '(repeat (choice (function-item gnus-article-sort-by-number)
601 (function-item gnus-article-sort-by-author)
602 (function-item gnus-article-sort-by-subject)
603 (function-item gnus-article-sort-by-date)
604 (function-item gnus-article-sort-by-score)
605 (function :tag "other"))))
607 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
608 "*List of functions used for sorting threads in the summary buffer.
609 By default, threads are sorted by article number.
611 Each function takes two threads and return non-nil if the first thread
612 should be sorted before the other. If you use more than one function,
613 the primary sort function should be the last. You should probably
614 always include `gnus-thread-sort-by-number' in the list of sorting
615 functions -- preferably first.
617 Ready-made functions include `gnus-thread-sort-by-number',
618 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
619 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
620 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
621 :group 'gnus-summary-sort
622 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
623 (function-item gnus-thread-sort-by-author)
624 (function-item gnus-thread-sort-by-subject)
625 (function-item gnus-thread-sort-by-date)
626 (function-item gnus-thread-sort-by-score)
627 (function-item gnus-thread-sort-by-total-score)
628 (function :tag "other"))))
630 (defcustom gnus-thread-score-function '+
631 "*Function used for calculating the total score of a thread.
633 The function is called with the scores of the article and each
634 subthread and should then return the score of the thread.
636 Some functions you can use are `+', `max', or `min'."
637 :group 'gnus-summary-sort
640 (defcustom gnus-summary-expunge-below nil
641 "All articles that have a score less than this variable will be expunged.
642 This variable is local to the summary buffers."
643 :group 'gnus-score-default
644 :type '(choice (const :tag "off" nil)
647 (defcustom gnus-thread-expunge-below nil
648 "All threads that have a total score less than this variable will be expunged.
649 See `gnus-thread-score-function' for en explanation of what a
652 This variable is local to the summary buffers."
653 :group 'gnus-threading
654 :group 'gnus-score-default
655 :type '(choice (const :tag "off" nil)
658 (defcustom gnus-summary-mode-hook nil
659 "*A hook for Gnus summary mode.
660 This hook is run before any variables are set in the summary buffer."
661 :group 'gnus-summary-various
664 (defcustom gnus-summary-menu-hook nil
665 "*Hook run after the creation of the summary mode menu."
666 :group 'gnus-summary-visual
669 (defcustom gnus-summary-exit-hook nil
670 "*A hook called on exit from the summary buffer.
671 It will be called with point in the group buffer."
672 :group 'gnus-summary-exit
675 (defcustom gnus-summary-prepare-hook nil
676 "*A hook called after the summary buffer has been generated.
677 If you want to modify the summary buffer, you can use this hook."
678 :group 'gnus-summary-various
681 (defcustom gnus-summary-prepared-hook nil
682 "*A hook called as the last thing after the summary buffer has been generated."
683 :group 'gnus-summary-various
686 (defcustom gnus-summary-generate-hook nil
687 "*A hook run just before generating the summary buffer.
688 This hook is commonly used to customize threading variables and the
690 :group 'gnus-summary-various
693 (defcustom gnus-select-group-hook nil
694 "*A hook called when a newsgroup is selected.
696 If you'd like to simplify subjects like the
697 `gnus-summary-next-same-subject' command does, you can use the
700 (setq gnus-select-group-hook
703 (mapcar (lambda (header)
704 (mail-header-set-subject
706 (gnus-simplify-subject
707 (mail-header-subject header) 're-only)))
708 gnus-newsgroup-headers))))"
709 :group 'gnus-group-select
712 (defcustom gnus-select-article-hook nil
713 "*A hook called when an article is selected."
714 :group 'gnus-summary-choose
717 (defcustom gnus-visual-mark-article-hook
718 (list 'gnus-highlight-selected-summary)
719 "*Hook run after selecting an article in the summary buffer.
720 It is meant to be used for highlighting the article in some way. It
721 is not run if `gnus-visual' is nil."
722 :group 'gnus-summary-visual
725 (defcustom gnus-parse-headers-hook '(gnus-set-summary-default-charset)
726 "*A hook called before parsing the headers."
730 (defcustom gnus-exit-group-hook nil
731 "*A hook called when exiting summary mode.
732 This hook is not called from the non-updating exit commands like `Q'."
736 (defcustom gnus-summary-update-hook
737 (list 'gnus-summary-highlight-line)
738 "*A hook called when a summary line is changed.
739 The hook will not be called if `gnus-visual' is nil.
741 The default function `gnus-summary-highlight-line' will
742 highlight the line according to the `gnus-summary-highlight'
744 :group 'gnus-summary-visual
747 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
748 "*A hook called when an article is selected for the first time.
749 The hook is intended to mark an article as read (or unread)
750 automatically when it is selected."
751 :group 'gnus-summary-choose
754 (defcustom gnus-group-no-more-groups-hook nil
755 "*A hook run when returning to group mode having no more (unread) groups."
756 :group 'gnus-group-select
759 (defcustom gnus-ps-print-hook nil
760 "*A hook run before ps-printing something from Gnus."
764 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
765 "Face used for highlighting the current article in the summary buffer."
766 :group 'gnus-summary-visual
769 (defcustom gnus-summary-highlight
770 '(((= mark gnus-canceled-mark)
771 . gnus-summary-cancelled-face)
772 ((and (> score default)
773 (or (= mark gnus-dormant-mark)
774 (= mark gnus-ticked-mark)))
775 . gnus-summary-high-ticked-face)
776 ((and (< score default)
777 (or (= mark gnus-dormant-mark)
778 (= mark gnus-ticked-mark)))
779 . gnus-summary-low-ticked-face)
780 ((or (= mark gnus-dormant-mark)
781 (= mark gnus-ticked-mark))
782 . gnus-summary-normal-ticked-face)
783 ((and (> score default) (= mark gnus-ancient-mark))
784 . gnus-summary-high-ancient-face)
785 ((and (< score default) (= mark gnus-ancient-mark))
786 . gnus-summary-low-ancient-face)
787 ((= mark gnus-ancient-mark)
788 . gnus-summary-normal-ancient-face)
789 ((and (> score default) (= mark gnus-unread-mark))
790 . gnus-summary-high-unread-face)
791 ((and (< score default) (= mark gnus-unread-mark))
792 . gnus-summary-low-unread-face)
793 ((and (memq article gnus-newsgroup-incorporated)
794 (= mark gnus-unread-mark))
795 . gnus-summary-incorporated-face)
796 ((= mark gnus-unread-mark)
797 . gnus-summary-normal-unread-face)
798 ((and (> score default) (memq mark (list gnus-downloadable-mark
799 gnus-undownloaded-mark)))
800 . gnus-summary-high-unread-face)
801 ((and (< score default) (memq mark (list gnus-downloadable-mark
802 gnus-undownloaded-mark)))
803 . gnus-summary-low-unread-face)
804 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
805 . gnus-summary-normal-unread-face)
807 . gnus-summary-high-read-face)
809 . gnus-summary-low-read-face)
811 . gnus-summary-normal-read-face))
812 "*Controls the highlighting of summary buffer lines.
814 A list of (FORM . FACE) pairs. When deciding how a a particular
815 summary line should be displayed, each form is evaluated. The content
816 of the face field after the first true form is used. You can change
817 how those summary lines are displayed, by editing the face field.
819 You can use the following variables in the FORM field.
821 score: The articles score
822 default: The default article score.
823 below: The score below which articles are automatically marked as read.
824 mark: The articles mark."
825 :group 'gnus-summary-visual
826 :type '(repeat (cons (sexp :tag "Form" nil)
829 (defcustom gnus-alter-header-function nil
830 "Function called to allow alteration of article header structures.
831 The function is called with one parameter, the article header vector,
832 which it may alter in any way.")
834 (defvar gnus-decode-encoded-word-function
835 (mime-find-field-decoder 'From 'nov)
836 "Variable that says which function should be used to decode a string with encoded words.")
838 (defcustom gnus-extra-headers nil
839 "*Extra headers to parse."
841 :type '(repeat symbol))
843 (defcustom gnus-ignored-from-addresses
844 (and user-mail-address (regexp-quote user-mail-address))
845 "*Regexp of From headers that may be suppressed in favor of To headers."
849 (defcustom gnus-group-charset-alist
850 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
851 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
852 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
853 ("^tnn\\>\\|^pin\\>\\|^sci.lang.japan" iso-2022-7bit)
854 ("^relcom\\>" koi8-r)
856 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
857 ("^israel\\>" iso-8859-1)
859 ("^alt.chinese.text.big5\\>" chinese-big5)
860 ("^soc.culture.vietnamese\\>" vietnamese-viqr)
861 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
863 "Alist of regexps (to match group names) and default charsets to be used when reading."
864 :type '(repeat (list (regexp :tag "Group")
865 (symbol :tag "Charset")))
866 :group 'gnus-charset)
868 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
869 "List of charsets that should be ignored.
870 When these charsets are used in the \"charset\" parameter, the
871 default charset will be used instead."
872 :type '(repeat symbol)
873 :group 'gnus-charset)
875 (defcustom gnus-group-ignored-charsets-alist
876 '(("alt\\.chinese\\.text" iso-8859-1))
877 "Alist of regexps (to match group names) and charsets that should be ignored.
878 When these charsets are used in the \"charset\" parameter, the
879 default charset will be used instead."
880 :type '(repeat (cons (regexp :tag "Group")
882 :group 'gnus-charset)
884 (defcustom gnus-group-highlight-words-alist nil
885 "Alist of group regexps and highlight regexps.
886 This variable uses the same syntax as `gnus-emphasis-alist'."
887 :type '(repeat (cons (regexp :tag "Group")
888 (repeat (list (regexp :tag "Highlight regexp")
889 (number :tag "Group for entire word" 0)
890 (number :tag "Group for displayed part" 0)
892 gnus-emphasis-highlight-words)))))
893 :group 'gnus-summary-visual)
895 (defcustom gnus-use-wheel nil
896 "Use Intelli-mouse on summary movement"
898 :group 'gnus-summary-maneuvering)
900 (defcustom gnus-wheel-scroll-amount '(5 . 1)
901 "Amount to scroll messages by spinning the mouse wheel.
902 This is actually a cons cell, where the first item is the amount to scroll
903 on a normal wheel event, and the second is the amount to scroll when the
904 wheel is moved with the shift key depressed."
905 :type '(cons (integer :tag "Shift") integer)
906 :group 'gnus-summary-maneuvering)
908 (defcustom gnus-wheel-edge-resistance 2
909 "How hard it should be to change the current article
910 by moving the mouse over the edge of the article window."
912 :group 'gnus-summary-maneuvering)
914 (defcustom gnus-summary-show-article-charset-alist
916 "Alist of number and charset.
917 The article will be shown with the charset corresponding to the
919 For example: ((1 . cn-gb-2312) (2 . big5))."
920 :type '(repeat (cons (number :tag "Argument" 1)
921 (symbol :tag "Charset")))
922 :group 'gnus-charset)
924 (defcustom gnus-preserve-marks t
925 "Whether marks are preserved when moving, copying and respooling messages."
927 :group 'gnus-summary-marks)
929 (defcustom gnus-alter-articles-to-read-function nil
930 "Function to be called to alter the list of articles to be selected."
932 :group 'gnus-summary)
934 (defcustom gnus-orphan-score nil
935 "*All orphans get this score added. Set in the score file."
936 :group 'gnus-score-default
937 :type '(choice (const nil)
940 (defcustom gnus-summary-save-parts-default-mime "image/.*"
941 "*A regexp to match MIME parts when saving multiple parts of a message
942 with gnus-summary-save-parts (X m). This regexp will be used by default
943 when prompting the user for which type of files to save."
948 ;;; Internal variables
950 (defvar gnus-article-mime-handles nil)
951 (defvar gnus-article-decoded-p nil)
952 (defvar gnus-scores-exclude-files nil)
953 (defvar gnus-page-broken nil)
954 (defvar gnus-inhibit-mime-unbuttonizing nil)
956 (defvar gnus-original-article nil)
957 (defvar gnus-article-internal-prepare-hook nil)
958 (defvar gnus-newsgroup-process-stack nil)
960 (defvar gnus-thread-indent-array nil)
961 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
962 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
963 "Function called to sort the articles within a thread after it has been gathered together.")
965 (defvar gnus-summary-save-parts-type-history nil)
966 (defvar gnus-summary-save-parts-last-directory nil)
968 ;; Avoid highlighting in kill files.
969 (defvar gnus-summary-inhibit-highlight nil)
970 (defvar gnus-newsgroup-selected-overlay nil)
971 (defvar gnus-inhibit-limiting nil)
972 (defvar gnus-newsgroup-adaptive-score-file nil)
973 (defvar gnus-current-score-file nil)
974 (defvar gnus-current-move-group nil)
975 (defvar gnus-current-copy-group nil)
976 (defvar gnus-current-crosspost-group nil)
978 (defvar gnus-newsgroup-dependencies nil)
979 (defvar gnus-newsgroup-adaptive nil)
980 (defvar gnus-summary-display-article-function nil)
981 (defvar gnus-summary-highlight-line-function nil
982 "Function called after highlighting a summary line.")
984 (defvar gnus-summary-line-format-alist
985 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
986 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
987 (?s gnus-tmp-subject-or-nil ?s)
988 (?n gnus-tmp-name ?s)
989 (?A (std11-address-string
990 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
991 (?a (or (std11-full-name-string
992 (car (mime-entity-read-field gnus-tmp-header 'From)))
994 (?F gnus-tmp-from ?s)
995 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
996 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
997 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
998 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
999 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1000 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1001 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1002 (?L gnus-tmp-lines ?d)
1003 (?I gnus-tmp-indentation ?s)
1004 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1005 (?R gnus-tmp-replied ?c)
1006 (?\[ gnus-tmp-opening-bracket ?c)
1007 (?\] gnus-tmp-closing-bracket ?c)
1008 (?\> (make-string gnus-tmp-level ? ) ?s)
1009 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1010 (?i gnus-tmp-score ?d)
1011 (?z gnus-tmp-score-char ?c)
1012 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1013 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1014 (?U gnus-tmp-unread ?c)
1015 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
1016 (?t (gnus-summary-number-of-articles-in-thread
1017 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1019 (?e (gnus-summary-number-of-articles-in-thread
1020 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1022 (?u gnus-tmp-user-defined ?s)
1023 (?P (gnus-pick-line-number) ?d))
1024 "An alist of format specifications that can appear in summary lines.
1025 These are paired with what variables they correspond with, along with
1026 the type of the variable (string, integer, character, etc).")
1028 (defvar gnus-summary-dummy-line-format-alist
1029 `((?S gnus-tmp-subject ?s)
1030 (?N gnus-tmp-number ?d)
1031 (?u gnus-tmp-user-defined ?s)))
1033 (defvar gnus-summary-mode-line-format-alist
1034 `((?G gnus-tmp-group-name ?s)
1035 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1036 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1037 (?A gnus-tmp-article-number ?d)
1038 (?Z gnus-tmp-unread-and-unselected ?s)
1039 (?V gnus-version ?s)
1040 (?U gnus-tmp-unread-and-unticked ?d)
1041 (?S gnus-tmp-subject ?s)
1042 (?e gnus-tmp-unselected ?d)
1043 (?u gnus-tmp-user-defined ?s)
1044 (?d (length gnus-newsgroup-dormant) ?d)
1045 (?t (length gnus-newsgroup-marked) ?d)
1046 (?r (length gnus-newsgroup-reads) ?d)
1047 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1048 (?E gnus-newsgroup-expunged-tally ?d)
1049 (?s (gnus-current-score-file-nondirectory) ?s)))
1051 (defvar gnus-last-search-regexp nil
1052 "Default regexp for article search command.")
1054 (defvar gnus-summary-search-article-matched-data nil
1055 "Last matched data of article search command. It is the local variable
1056 in `gnus-article-buffer' which consists of the list of start position,
1057 end position and text.")
1059 (defvar gnus-last-shell-command nil
1060 "Default shell command on article.")
1062 (defvar gnus-newsgroup-begin nil)
1063 (defvar gnus-newsgroup-end nil)
1064 (defvar gnus-newsgroup-last-rmail nil)
1065 (defvar gnus-newsgroup-last-mail nil)
1066 (defvar gnus-newsgroup-last-folder nil)
1067 (defvar gnus-newsgroup-last-file nil)
1068 (defvar gnus-newsgroup-auto-expire nil)
1069 (defvar gnus-newsgroup-active nil)
1071 (defvar gnus-newsgroup-data nil)
1072 (defvar gnus-newsgroup-data-reverse nil)
1073 (defvar gnus-newsgroup-limit nil)
1074 (defvar gnus-newsgroup-limits nil)
1076 (defvar gnus-newsgroup-unreads nil
1077 "List of unread articles in the current newsgroup.")
1079 (defvar gnus-newsgroup-unselected nil
1080 "List of unselected unread articles in the current newsgroup.")
1082 (defvar gnus-newsgroup-reads nil
1083 "Alist of read articles and article marks in the current newsgroup.")
1085 (defvar gnus-newsgroup-expunged-tally nil)
1087 (defvar gnus-newsgroup-marked nil
1088 "List of ticked articles in the current newsgroup (a subset of unread art).")
1090 (defvar gnus-newsgroup-killed nil
1091 "List of ranges of articles that have been through the scoring process.")
1093 (defvar gnus-newsgroup-cached nil
1094 "List of articles that come from the article cache.")
1096 (defvar gnus-newsgroup-saved nil
1097 "List of articles that have been saved.")
1099 (defvar gnus-newsgroup-kill-headers nil)
1101 (defvar gnus-newsgroup-replied nil
1102 "List of articles that have been replied to in the current newsgroup.")
1104 (defvar gnus-newsgroup-expirable nil
1105 "List of articles in the current newsgroup that can be expired.")
1107 (defvar gnus-newsgroup-processable nil
1108 "List of articles in the current newsgroup that can be processed.")
1110 (defvar gnus-newsgroup-downloadable nil
1111 "List of articles in the current newsgroup that can be processed.")
1113 (defvar gnus-newsgroup-undownloaded nil
1114 "List of articles in the current newsgroup that haven't been downloaded..")
1116 (defvar gnus-newsgroup-unsendable nil
1117 "List of articles in the current newsgroup that won't be sent.")
1119 (defvar gnus-newsgroup-bookmarks nil
1120 "List of articles in the current newsgroup that have bookmarks.")
1122 (defvar gnus-newsgroup-dormant nil
1123 "List of dormant articles in the current newsgroup.")
1125 (defvar gnus-newsgroup-scored nil
1126 "List of scored articles in the current newsgroup.")
1128 (defvar gnus-newsgroup-incorporated nil
1129 "List of incorporated articles in the current newsgroup.")
1131 (defvar gnus-newsgroup-headers nil
1132 "List of article headers in the current newsgroup.")
1134 (defvar gnus-newsgroup-threads nil)
1136 (defvar gnus-newsgroup-prepared nil
1137 "Whether the current group has been prepared properly.")
1139 (defvar gnus-newsgroup-ancient nil
1140 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1142 (defvar gnus-newsgroup-sparse nil)
1144 (defvar gnus-current-article nil)
1145 (defvar gnus-article-current nil)
1146 (defvar gnus-current-headers nil)
1147 (defvar gnus-have-all-headers nil)
1148 (defvar gnus-last-article nil)
1149 (defvar gnus-newsgroup-history nil)
1150 (defvar gnus-newsgroup-charset nil)
1151 (defvar gnus-newsgroup-ephemeral-charset nil)
1152 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1154 (defconst gnus-summary-local-variables
1155 '(gnus-newsgroup-name
1156 gnus-newsgroup-begin gnus-newsgroup-end
1157 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1158 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1159 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1160 gnus-newsgroup-unselected gnus-newsgroup-marked
1161 gnus-newsgroup-reads gnus-newsgroup-saved
1162 gnus-newsgroup-replied gnus-newsgroup-expirable
1163 gnus-newsgroup-processable gnus-newsgroup-killed
1164 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1165 gnus-newsgroup-unsendable
1166 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1167 gnus-newsgroup-headers gnus-newsgroup-threads
1168 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1169 gnus-current-article gnus-current-headers gnus-have-all-headers
1170 gnus-last-article gnus-article-internal-prepare-hook
1171 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1172 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1173 gnus-thread-expunge-below
1174 gnus-score-alist gnus-current-score-file
1175 (gnus-summary-expunge-below . global)
1176 (gnus-summary-mark-below . global)
1177 (gnus-orphan-score . global)
1178 gnus-newsgroup-active gnus-scores-exclude-files
1179 gnus-newsgroup-history gnus-newsgroup-ancient
1180 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1181 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1182 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1183 (gnus-newsgroup-expunged-tally . 0)
1184 gnus-cache-removable-articles gnus-newsgroup-cached
1185 gnus-newsgroup-data gnus-newsgroup-data-reverse
1186 gnus-newsgroup-limit gnus-newsgroup-limits
1187 gnus-newsgroup-charset
1188 gnus-newsgroup-incorporated)
1189 "Variables that are buffer-local to the summary buffers.")
1191 ;; Byte-compiler warning.
1192 (defvar gnus-article-mode-map)
1194 ;; Subject simplification.
1196 (defun gnus-simplify-whitespace (str)
1197 "Remove excessive whitespace from STR."
1200 (while (string-match "[ \t][ \t]+" mystr)
1201 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1203 (substring mystr (match-end 0)))))
1205 (when (string-match "^[ \t]+" mystr)
1206 (setq mystr (substring mystr (match-end 0))))
1208 (when (string-match "[ \t]+$" mystr)
1209 (setq mystr (substring mystr 0 (match-beginning 0))))
1212 (defsubst gnus-simplify-subject-re (subject)
1213 "Remove \"Re:\" from subject lines."
1214 (if (string-match "^[Rr][Ee]: *" subject)
1215 (substring subject (match-end 0))
1218 (defun gnus-simplify-subject (subject &optional re-only)
1219 "Remove `Re:' and words in parentheses.
1220 If RE-ONLY is non-nil, strip leading `Re:'s only."
1221 (let ((case-fold-search t)) ;Ignore case.
1222 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1223 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1224 (setq subject (substring subject (match-end 0))))
1225 ;; Remove uninteresting prefixes.
1226 (when (and (not re-only)
1227 gnus-simplify-ignored-prefixes
1228 (string-match gnus-simplify-ignored-prefixes subject))
1229 (setq subject (substring subject (match-end 0))))
1230 ;; Remove words in parentheses from end.
1232 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1233 (setq subject (substring subject 0 (match-beginning 0)))))
1234 ;; Return subject string.
1237 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1239 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1240 (goto-char (point-min))
1241 (while (re-search-forward regexp nil t)
1242 (replace-match (or newtext ""))))
1244 (defun gnus-simplify-buffer-fuzzy ()
1245 "Simplify string in the buffer fuzzily.
1246 The string in the accessible portion of the current buffer is simplified.
1247 It is assumed to be a single-line subject.
1248 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1249 matter is removed. Additional things can be deleted by setting
1250 `gnus-simplify-subject-fuzzy-regexp'."
1251 (let ((case-fold-search t)
1253 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1255 (while (not (eq modified-tick (buffer-modified-tick)))
1256 (setq modified-tick (buffer-modified-tick))
1258 ((listp gnus-simplify-subject-fuzzy-regexp)
1259 (mapcar 'gnus-simplify-buffer-fuzzy-step
1260 gnus-simplify-subject-fuzzy-regexp))
1261 (gnus-simplify-subject-fuzzy-regexp
1262 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1263 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1264 (gnus-simplify-buffer-fuzzy-step
1265 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1266 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1268 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1269 (gnus-simplify-buffer-fuzzy-step " +" " ")
1270 (gnus-simplify-buffer-fuzzy-step " $")
1271 (gnus-simplify-buffer-fuzzy-step "^ +")))
1273 (defun gnus-simplify-subject-fuzzy (subject)
1274 "Simplify a subject string fuzzily.
1275 See `gnus-simplify-buffer-fuzzy' for details."
1277 (gnus-set-work-buffer)
1278 (let ((case-fold-search t))
1279 ;; Remove uninteresting prefixes.
1280 (when (and gnus-simplify-ignored-prefixes
1281 (string-match gnus-simplify-ignored-prefixes subject))
1282 (setq subject (substring subject (match-end 0))))
1284 (inline (gnus-simplify-buffer-fuzzy))
1287 (defsubst gnus-simplify-subject-fully (subject)
1288 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1290 (gnus-simplify-subject-functions
1291 (gnus-map-function gnus-simplify-subject-functions subject))
1292 ((null gnus-summary-gather-subject-limit)
1293 (gnus-simplify-subject-re subject))
1294 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1295 (gnus-simplify-subject-fuzzy subject))
1296 ((numberp gnus-summary-gather-subject-limit)
1297 (gnus-limit-string (gnus-simplify-subject-re subject)
1298 gnus-summary-gather-subject-limit))
1302 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1303 "Check whether two subjects are equal.
1304 If optional argument simple-first is t, first argument is already
1307 ((null simple-first)
1308 (equal (gnus-simplify-subject-fully s1)
1309 (gnus-simplify-subject-fully s2)))
1312 (gnus-simplify-subject-fully s2)))))
1314 (defun gnus-summary-bubble-group ()
1315 "Increase the score of the current group.
1316 This is a handy function to add to `gnus-summary-exit-hook' to
1317 increase the score of each group you read."
1318 (gnus-group-add-score gnus-newsgroup-name))
1322 ;;; Gnus summary mode
1325 (put 'gnus-summary-mode 'mode-class 'special)
1328 ;; Non-orthogonal keys
1330 (gnus-define-keys gnus-summary-mode-map
1331 " " gnus-summary-next-page
1332 "\177" gnus-summary-prev-page
1333 [delete] gnus-summary-prev-page
1334 [backspace] gnus-summary-prev-page
1335 "\r" gnus-summary-scroll-up
1336 "\M-\r" gnus-summary-scroll-down
1337 "n" gnus-summary-next-unread-article
1338 "p" gnus-summary-prev-unread-article
1339 "N" gnus-summary-next-article
1340 "P" gnus-summary-prev-article
1341 "\M-\C-n" gnus-summary-next-same-subject
1342 "\M-\C-p" gnus-summary-prev-same-subject
1343 "\M-n" gnus-summary-next-unread-subject
1344 "\M-p" gnus-summary-prev-unread-subject
1345 "." gnus-summary-first-unread-article
1346 "," gnus-summary-best-unread-article
1347 "\M-s" gnus-summary-search-article-forward
1348 "\M-r" gnus-summary-search-article-backward
1349 "<" gnus-summary-beginning-of-article
1350 ">" gnus-summary-end-of-article
1351 "j" gnus-summary-goto-article
1352 "^" gnus-summary-refer-parent-article
1353 "\M-^" gnus-summary-refer-article
1354 "u" gnus-summary-tick-article-forward
1355 "!" gnus-summary-tick-article-forward
1356 "U" gnus-summary-tick-article-backward
1357 "d" gnus-summary-mark-as-read-forward
1358 "D" gnus-summary-mark-as-read-backward
1359 "E" gnus-summary-mark-as-expirable
1360 "\M-u" gnus-summary-clear-mark-forward
1361 "\M-U" gnus-summary-clear-mark-backward
1362 "k" gnus-summary-kill-same-subject-and-select
1363 "\C-k" gnus-summary-kill-same-subject
1364 "\M-\C-k" gnus-summary-kill-thread
1365 "\M-\C-l" gnus-summary-lower-thread
1366 "e" gnus-summary-edit-article
1367 "#" gnus-summary-mark-as-processable
1368 "\M-#" gnus-summary-unmark-as-processable
1369 "\M-\C-t" gnus-summary-toggle-threads
1370 "\M-\C-s" gnus-summary-show-thread
1371 "\M-\C-h" gnus-summary-hide-thread
1372 "\M-\C-f" gnus-summary-next-thread
1373 "\M-\C-b" gnus-summary-prev-thread
1374 [(meta down)] gnus-summary-next-thread
1375 [(meta up)] gnus-summary-prev-thread
1376 "\M-\C-u" gnus-summary-up-thread
1377 "\M-\C-d" gnus-summary-down-thread
1378 "&" gnus-summary-execute-command
1379 "c" gnus-summary-catchup-and-exit
1380 "\C-w" gnus-summary-mark-region-as-read
1381 "\C-t" gnus-summary-toggle-truncation
1382 "?" gnus-summary-mark-as-dormant
1383 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1384 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1385 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1386 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1387 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1388 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1389 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1390 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1391 "=" gnus-summary-expand-window
1392 "\C-x\C-s" gnus-summary-reselect-current-group
1393 "\M-g" gnus-summary-rescan-group
1394 "w" gnus-summary-stop-page-breaking
1395 "\C-c\C-r" gnus-summary-caesar-message
1396 "\M-t" gnus-summary-toggle-mime
1397 "f" gnus-summary-followup
1398 "F" gnus-summary-followup-with-original
1399 "C" gnus-summary-cancel-article
1400 "r" gnus-summary-reply
1401 "R" gnus-summary-reply-with-original
1402 "\C-c\C-f" gnus-summary-mail-forward
1403 "o" gnus-summary-save-article
1404 "\C-o" gnus-summary-save-article-mail
1405 "|" gnus-summary-pipe-output
1406 "\M-k" gnus-summary-edit-local-kill
1407 "\M-K" gnus-summary-edit-global-kill
1409 "\C-c\C-d" gnus-summary-describe-group
1410 "q" gnus-summary-exit
1411 "Q" gnus-summary-exit-no-update
1412 "\C-c\C-i" gnus-info-find-node
1413 gnus-mouse-2 gnus-mouse-pick-article
1414 "m" gnus-summary-mail-other-window
1415 "a" gnus-summary-post-news
1416 "x" gnus-summary-limit-to-unread
1417 "s" gnus-summary-isearch-article
1418 "t" gnus-article-toggle-headers
1419 "g" gnus-summary-show-article
1420 "l" gnus-summary-goto-last-article
1421 "v" gnus-summary-preview-mime-message
1422 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1423 "\C-d" gnus-summary-enter-digest-group
1424 "\M-\C-d" gnus-summary-read-document
1425 "\M-\C-e" gnus-summary-edit-parameters
1426 "\M-\C-a" gnus-summary-customize-parameters
1428 "*" gnus-cache-enter-article
1429 "\M-*" gnus-cache-remove-article
1430 "\M-&" gnus-summary-universal-argument
1431 "\C-l" gnus-recenter
1432 "I" gnus-summary-increase-score
1433 "L" gnus-summary-lower-score
1434 "\M-i" gnus-symbolic-argument
1435 "h" gnus-summary-select-article-buffer
1437 "V" gnus-summary-score-map
1438 "X" gnus-uu-extract-map
1439 "S" gnus-summary-send-map)
1441 ;; Sort of orthogonal keymap
1442 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1443 "t" gnus-summary-tick-article-forward
1444 "!" gnus-summary-tick-article-forward
1445 "d" gnus-summary-mark-as-read-forward
1446 "r" gnus-summary-mark-as-read-forward
1447 "c" gnus-summary-clear-mark-forward
1448 " " gnus-summary-clear-mark-forward
1449 "e" gnus-summary-mark-as-expirable
1450 "x" gnus-summary-mark-as-expirable
1451 "?" gnus-summary-mark-as-dormant
1452 "b" gnus-summary-set-bookmark
1453 "B" gnus-summary-remove-bookmark
1454 "#" gnus-summary-mark-as-processable
1455 "\M-#" gnus-summary-unmark-as-processable
1456 "S" gnus-summary-limit-include-expunged
1457 "C" gnus-summary-catchup
1458 "H" gnus-summary-catchup-to-here
1459 "\C-c" gnus-summary-catchup-all
1460 "k" gnus-summary-kill-same-subject-and-select
1461 "K" gnus-summary-kill-same-subject
1462 "P" gnus-uu-mark-map)
1464 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1465 "c" gnus-summary-clear-above
1466 "u" gnus-summary-tick-above
1467 "m" gnus-summary-mark-above
1468 "k" gnus-summary-kill-below)
1470 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1471 "/" gnus-summary-limit-to-subject
1472 "n" gnus-summary-limit-to-articles
1473 "w" gnus-summary-pop-limit
1474 "s" gnus-summary-limit-to-subject
1475 "a" gnus-summary-limit-to-author
1476 "u" gnus-summary-limit-to-unread
1477 "m" gnus-summary-limit-to-marks
1478 "M" gnus-summary-limit-exclude-marks
1479 "v" gnus-summary-limit-to-score
1480 "*" gnus-summary-limit-include-cached
1481 "D" gnus-summary-limit-include-dormant
1482 "T" gnus-summary-limit-include-thread
1483 "d" gnus-summary-limit-exclude-dormant
1484 "t" gnus-summary-limit-to-age
1485 "x" gnus-summary-limit-to-extra
1486 "E" gnus-summary-limit-include-expunged
1487 "c" gnus-summary-limit-exclude-childless-dormant
1488 "C" gnus-summary-limit-mark-excluded-as-read)
1490 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1491 "n" gnus-summary-next-unread-article
1492 "p" gnus-summary-prev-unread-article
1493 "N" gnus-summary-next-article
1494 "P" gnus-summary-prev-article
1495 "\C-n" gnus-summary-next-same-subject
1496 "\C-p" gnus-summary-prev-same-subject
1497 "\M-n" gnus-summary-next-unread-subject
1498 "\M-p" gnus-summary-prev-unread-subject
1499 "f" gnus-summary-first-unread-article
1500 "b" gnus-summary-best-unread-article
1501 "j" gnus-summary-goto-article
1502 "g" gnus-summary-goto-subject
1503 "l" gnus-summary-goto-last-article
1504 "o" gnus-summary-pop-article)
1506 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1507 "k" gnus-summary-kill-thread
1508 "l" gnus-summary-lower-thread
1509 "i" gnus-summary-raise-thread
1510 "T" gnus-summary-toggle-threads
1511 "t" gnus-summary-rethread-current
1512 "^" gnus-summary-reparent-thread
1513 "s" gnus-summary-show-thread
1514 "S" gnus-summary-show-all-threads
1515 "h" gnus-summary-hide-thread
1516 "H" gnus-summary-hide-all-threads
1517 "n" gnus-summary-next-thread
1518 "p" gnus-summary-prev-thread
1519 "u" gnus-summary-up-thread
1520 "o" gnus-summary-top-thread
1521 "d" gnus-summary-down-thread
1522 "#" gnus-uu-mark-thread
1523 "\M-#" gnus-uu-unmark-thread)
1525 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1526 "g" gnus-summary-prepare
1527 "c" gnus-summary-insert-cached-articles)
1529 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1530 "c" gnus-summary-catchup-and-exit
1531 "C" gnus-summary-catchup-all-and-exit
1532 "E" gnus-summary-exit-no-update
1533 "J" gnus-summary-jump-to-other-group
1534 "Q" gnus-summary-exit
1535 "Z" gnus-summary-exit
1536 "n" gnus-summary-catchup-and-goto-next-group
1537 "R" gnus-summary-reselect-current-group
1538 "G" gnus-summary-rescan-group
1539 "N" gnus-summary-next-group
1540 "s" gnus-summary-save-newsrc
1541 "P" gnus-summary-prev-group)
1543 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1544 " " gnus-summary-next-page
1545 "n" gnus-summary-next-page
1546 "\177" gnus-summary-prev-page
1547 [delete] gnus-summary-prev-page
1548 "p" gnus-summary-prev-page
1549 "\r" gnus-summary-scroll-up
1550 "\M-\r" gnus-summary-scroll-down
1551 "<" gnus-summary-beginning-of-article
1552 ">" gnus-summary-end-of-article
1553 "b" gnus-summary-beginning-of-article
1554 "e" gnus-summary-end-of-article
1555 "^" gnus-summary-refer-parent-article
1556 "r" gnus-summary-refer-parent-article
1557 "D" gnus-summary-enter-digest-group
1558 "R" gnus-summary-refer-references
1559 "T" gnus-summary-refer-thread
1560 "g" gnus-summary-show-article
1561 "s" gnus-summary-isearch-article
1562 "P" gnus-summary-print-article
1563 "t" gnus-article-babel
1564 "d" gnus-summary-decrypt-article
1565 "v" gnus-summary-verify-article)
1567 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1568 "b" gnus-article-add-buttons
1569 "B" gnus-article-add-buttons-to-head
1570 "o" gnus-article-treat-overstrike
1571 "e" gnus-article-emphasize
1572 "w" gnus-article-fill-cited-article
1573 "Q" gnus-article-fill-long-lines
1574 "C" gnus-article-capitalize-sentences
1575 "c" gnus-article-remove-cr
1576 "Z" gnus-article-decode-HZ
1577 "f" gnus-article-display-x-face
1578 "l" gnus-summary-stop-page-breaking
1579 "r" gnus-summary-caesar-message
1580 "t" gnus-article-toggle-headers
1581 "v" gnus-summary-verbose-headers
1582 "m" gnus-summary-toggle-mime
1583 "H" gnus-article-strip-headers-in-body
1584 "d" gnus-article-treat-dumbquotes
1585 "s" gnus-smiley-display)
1587 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1588 "a" gnus-article-hide
1589 "h" gnus-article-toggle-headers
1590 "b" gnus-article-hide-boring-headers
1591 "s" gnus-article-hide-signature
1592 "c" gnus-article-hide-citation
1593 "C" gnus-article-hide-citation-in-followups
1594 "l" gnus-article-hide-list-identifiers
1595 "p" gnus-article-hide-pgp
1596 "B" gnus-article-strip-banner
1597 "P" gnus-article-hide-pem
1598 "\C-c" gnus-article-hide-citation-maybe)
1600 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1601 "a" gnus-article-highlight
1602 "h" gnus-article-highlight-headers
1603 "c" gnus-article-highlight-citation
1604 "s" gnus-article-highlight-signature)
1606 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1607 "z" gnus-article-date-ut
1608 "u" gnus-article-date-ut
1609 "l" gnus-article-date-local
1610 "e" gnus-article-date-lapsed
1611 "o" gnus-article-date-original
1612 "i" gnus-article-date-iso8601
1613 "s" gnus-article-date-user)
1615 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1616 "t" gnus-article-remove-trailing-blank-lines
1617 "l" gnus-article-strip-leading-blank-lines
1618 "m" gnus-article-strip-multiple-blank-lines
1619 "a" gnus-article-strip-blank-lines
1620 "A" gnus-article-strip-all-blank-lines
1621 "s" gnus-article-strip-leading-space
1622 "e" gnus-article-strip-trailing-space)
1624 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1626 "f" gnus-summary-fetch-faq
1627 "d" gnus-summary-describe-group
1628 "h" gnus-summary-describe-briefly
1629 "i" gnus-info-find-node)
1631 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1632 "e" gnus-summary-expire-articles
1633 "\M-\C-e" gnus-summary-expire-articles-now
1634 "\177" gnus-summary-delete-article
1635 [delete] gnus-summary-delete-article
1636 [backspace] gnus-summary-delete-article
1637 "m" gnus-summary-move-article
1638 "r" gnus-summary-respool-article
1639 "w" gnus-summary-edit-article
1640 "c" gnus-summary-copy-article
1641 "B" gnus-summary-crosspost-article
1642 "q" gnus-summary-respool-query
1643 "t" gnus-summary-respool-trace
1644 "i" gnus-summary-import-article
1645 "p" gnus-summary-article-posted-p)
1647 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1648 "o" gnus-summary-save-article
1649 "m" gnus-summary-save-article-mail
1650 "F" gnus-summary-write-article-file
1651 "r" gnus-summary-save-article-rmail
1652 "f" gnus-summary-save-article-file
1653 "b" gnus-summary-save-article-body-file
1654 "h" gnus-summary-save-article-folder
1655 "v" gnus-summary-save-article-vm
1656 "p" gnus-summary-pipe-output
1657 "s" gnus-soup-add-article)
1659 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1660 "b" gnus-summary-display-buttonized
1661 "m" gnus-summary-repair-multipart
1662 "v" gnus-article-view-part
1663 "o" gnus-article-save-part
1664 "c" gnus-article-copy-part
1665 "e" gnus-article-externalize-part
1666 "i" gnus-article-inline-part
1667 "|" gnus-article-pipe-part))
1669 (defun gnus-summary-make-menu-bar ()
1670 (gnus-turn-off-edit-menu 'summary)
1672 (unless (boundp 'gnus-summary-misc-menu)
1675 gnus-summary-kill-menu gnus-summary-mode-map ""
1680 ["Enter score..." gnus-summary-score-entry t]
1681 ["Customize" gnus-score-customize t])
1682 (gnus-make-score-map 'increase)
1683 (gnus-make-score-map 'lower)
1685 ["Kill below" gnus-summary-kill-below t]
1686 ["Mark above" gnus-summary-mark-above t]
1687 ["Tick above" gnus-summary-tick-above t]
1688 ["Clear above" gnus-summary-clear-above t])
1689 ["Current score" gnus-summary-current-score t]
1690 ["Set score" gnus-summary-set-score t]
1691 ["Switch current score file..." gnus-score-change-score-file t]
1692 ["Set mark below..." gnus-score-set-mark-below t]
1693 ["Set expunge below..." gnus-score-set-expunge-below t]
1694 ["Edit current score file" gnus-score-edit-current-scores t]
1695 ["Edit score file" gnus-score-edit-file t]
1696 ["Trace score" gnus-score-find-trace t]
1697 ["Find words" gnus-score-find-favourite-words t]
1698 ["Rescore buffer" gnus-summary-rescore t]
1699 ["Increase score..." gnus-summary-increase-score t]
1700 ["Lower score..." gnus-summary-lower-score t]))))
1702 ;; Define both the Article menu in the summary buffer and the equivalent
1703 ;; Commands menu in the article buffer here for consistency.
1706 ["All" gnus-article-hide t]
1707 ["Headers" gnus-article-toggle-headers t]
1708 ["Signature" gnus-article-hide-signature t]
1709 ["Citation" gnus-article-hide-citation t]
1710 ["List identifiers" gnus-article-hide-list-identifiers t]
1711 ["PGP" gnus-article-hide-pgp t]
1712 ["Banner" gnus-article-strip-banner t]
1713 ["Boring headers" gnus-article-hide-boring-headers t])
1715 ["All" gnus-article-highlight t]
1716 ["Headers" gnus-article-highlight-headers t]
1717 ["Signature" gnus-article-highlight-signature t]
1718 ["Citation" gnus-article-highlight-citation t])
1720 ["Local" gnus-article-date-local t]
1721 ["ISO8601" gnus-article-date-iso8601 t]
1722 ["UT" gnus-article-date-ut t]
1723 ["Original" gnus-article-date-original t]
1724 ["Lapsed" gnus-article-date-lapsed t]
1725 ["User-defined" gnus-article-date-user t])
1728 ["Leading" gnus-article-strip-leading-blank-lines t]
1729 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1730 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1731 ["All of the above" gnus-article-strip-blank-lines t]
1732 ["All" gnus-article-strip-all-blank-lines t]
1733 ["Leading space" gnus-article-strip-leading-space t]
1734 ["Trailing space" gnus-article-strip-trailing-space t])
1735 ["Overstrike" gnus-article-treat-overstrike t]
1736 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1737 ["Emphasis" gnus-article-emphasize t]
1738 ["Word wrap" gnus-article-fill-cited-article t]
1739 ["Fill long lines" gnus-article-fill-long-lines t]
1740 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1741 ["CR" gnus-article-remove-cr t]
1742 ["Show X-Face" gnus-article-display-x-face t]
1743 ["Rot 13" gnus-summary-caesar-message t]
1744 ["Unix pipe" gnus-summary-pipe-message t]
1745 ["Add buttons" gnus-article-add-buttons t]
1746 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1747 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1748 ["Toggle MIME" gnus-summary-toggle-mime t]
1749 ["Verbose header" gnus-summary-verbose-headers t]
1750 ["Toggle header" gnus-summary-toggle-header t]
1751 ["Toggle smileys" gnus-smiley-display t]
1752 ["HZ" gnus-article-decode-HZ t])
1754 ["Save in default format" gnus-summary-save-article t]
1755 ["Save in file" gnus-summary-save-article-file t]
1756 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1757 ["Save in MH folder" gnus-summary-save-article-folder t]
1758 ["Save in VM folder" gnus-summary-save-article-vm t]
1759 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1760 ["Save body in file" gnus-summary-save-article-body-file t]
1761 ["Pipe through a filter" gnus-summary-pipe-output t]
1762 ["Add to SOUP packet" gnus-soup-add-article t]
1763 ["Print" gnus-summary-print-article t])
1765 ["Respool article..." gnus-summary-respool-article t]
1766 ["Move article..." gnus-summary-move-article
1767 (gnus-check-backend-function
1768 'request-move-article gnus-newsgroup-name)]
1769 ["Copy article..." gnus-summary-copy-article t]
1770 ["Crosspost article..." gnus-summary-crosspost-article
1771 (gnus-check-backend-function
1772 'request-replace-article gnus-newsgroup-name)]
1773 ["Import file..." gnus-summary-import-article t]
1774 ["Check if posted" gnus-summary-article-posted-p t]
1775 ["Edit article" gnus-summary-edit-article
1776 (not (gnus-group-read-only-p))]
1777 ["Delete article" gnus-summary-delete-article
1778 (gnus-check-backend-function
1779 'request-expire-articles gnus-newsgroup-name)]
1780 ["Query respool" gnus-summary-respool-query t]
1781 ["Trace respool" gnus-summary-respool-trace t]
1782 ["Delete expirable articles" gnus-summary-expire-articles-now
1783 (gnus-check-backend-function
1784 'request-expire-articles gnus-newsgroup-name)])
1786 ["Uudecode" gnus-uu-decode-uu t]
1787 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1788 ["Unshar" gnus-uu-decode-unshar t]
1789 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1790 ["Save" gnus-uu-decode-save t]
1791 ["Binhex" gnus-uu-decode-binhex t]
1792 ["Postscript" gnus-uu-decode-postscript t])
1794 ["Enter article" gnus-cache-enter-article t]
1795 ["Remove article" gnus-cache-remove-article t])
1796 ["Translate" gnus-article-babel t]
1797 ["Select article buffer" gnus-summary-select-article-buffer t]
1798 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1799 ["Isearch article..." gnus-summary-isearch-article t]
1800 ["Beginning of the article" gnus-summary-beginning-of-article t]
1801 ["End of the article" gnus-summary-end-of-article t]
1802 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1803 ["Fetch referenced articles" gnus-summary-refer-references t]
1804 ["Fetch current thread" gnus-summary-refer-thread t]
1805 ["Fetch article with id..." gnus-summary-refer-article t]
1806 ["Redisplay" gnus-summary-show-article t])))
1808 gnus-summary-article-menu gnus-summary-mode-map ""
1809 (cons "Article" innards))
1812 gnus-article-commands-menu gnus-article-mode-map ""
1813 (cons "Commands" innards)))
1816 gnus-summary-thread-menu gnus-summary-mode-map ""
1818 ["Toggle threading" gnus-summary-toggle-threads t]
1819 ["Hide threads" gnus-summary-hide-all-threads t]
1820 ["Show threads" gnus-summary-show-all-threads t]
1821 ["Hide thread" gnus-summary-hide-thread t]
1822 ["Show thread" gnus-summary-show-thread t]
1823 ["Go to next thread" gnus-summary-next-thread t]
1824 ["Go to previous thread" gnus-summary-prev-thread t]
1825 ["Go down thread" gnus-summary-down-thread t]
1826 ["Go up thread" gnus-summary-up-thread t]
1827 ["Top of thread" gnus-summary-top-thread t]
1828 ["Mark thread as read" gnus-summary-kill-thread t]
1829 ["Lower thread score" gnus-summary-lower-thread t]
1830 ["Raise thread score" gnus-summary-raise-thread t]
1831 ["Rethread current" gnus-summary-rethread-current t]))
1834 gnus-summary-post-menu gnus-summary-mode-map ""
1836 ["Post an article" gnus-summary-post-news t]
1837 ["Followup" gnus-summary-followup t]
1838 ["Followup and yank" gnus-summary-followup-with-original t]
1839 ["Supersede article" gnus-summary-supersede-article t]
1840 ["Cancel article" gnus-summary-cancel-article t]
1841 ["Reply" gnus-summary-reply t]
1842 ["Reply and yank" gnus-summary-reply-with-original t]
1843 ["Wide reply" gnus-summary-wide-reply t]
1844 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1845 ["Mail forward" gnus-summary-mail-forward t]
1846 ["Post forward" gnus-summary-post-forward t]
1847 ["Digest and mail" gnus-uu-digest-mail-forward t]
1848 ["Digest and post" gnus-uu-digest-post-forward t]
1849 ["Resend message" gnus-summary-resend-message t]
1850 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1851 ["Send a mail" gnus-summary-mail-other-window t]
1852 ["Uuencode and post" gnus-uu-post-news t]
1853 ["Followup via news" gnus-summary-followup-to-mail t]
1854 ["Followup via news and yank"
1855 gnus-summary-followup-to-mail-with-original t]
1857 ;;["Send" gnus-summary-send-draft t]
1858 ;;["Send bounced" gnus-resend-bounced-mail t])
1862 gnus-summary-misc-menu gnus-summary-mode-map ""
1865 ["Mark as read" gnus-summary-mark-as-read-forward t]
1866 ["Mark same subject and select"
1867 gnus-summary-kill-same-subject-and-select t]
1868 ["Mark same subject" gnus-summary-kill-same-subject t]
1869 ["Catchup" gnus-summary-catchup t]
1870 ["Catchup all" gnus-summary-catchup-all t]
1871 ["Catchup to here" gnus-summary-catchup-to-here t]
1872 ["Catchup region" gnus-summary-mark-region-as-read t]
1873 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1875 ["Tick" gnus-summary-tick-article-forward t]
1876 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1877 ["Remove marks" gnus-summary-clear-mark-forward t]
1878 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1879 ["Set bookmark" gnus-summary-set-bookmark t]
1880 ["Remove bookmark" gnus-summary-remove-bookmark t])
1882 ["Marks..." gnus-summary-limit-to-marks t]
1883 ["Subject..." gnus-summary-limit-to-subject t]
1884 ["Author..." gnus-summary-limit-to-author t]
1885 ["Age..." gnus-summary-limit-to-age t]
1886 ["Extra..." gnus-summary-limit-to-extra t]
1887 ["Score" gnus-summary-limit-to-score t]
1888 ["Unread" gnus-summary-limit-to-unread t]
1889 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1890 ["Articles" gnus-summary-limit-to-articles t]
1891 ["Pop limit" gnus-summary-pop-limit t]
1892 ["Show dormant" gnus-summary-limit-include-dormant t]
1893 ["Hide childless dormant"
1894 gnus-summary-limit-exclude-childless-dormant t]
1895 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1896 ["Hide marked" gnus-summary-limit-exclude-marks t]
1897 ["Show expunged" gnus-summary-show-all-expunged t])
1899 ["Set mark" gnus-summary-mark-as-processable t]
1900 ["Remove mark" gnus-summary-unmark-as-processable t]
1901 ["Remove all marks" gnus-summary-unmark-all-processable t]
1902 ["Mark above" gnus-uu-mark-over t]
1903 ["Mark series" gnus-uu-mark-series t]
1904 ["Mark region" gnus-uu-mark-region t]
1905 ["Unmark region" gnus-uu-unmark-region t]
1906 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1907 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1908 ["Mark all" gnus-uu-mark-all t]
1909 ["Mark buffer" gnus-uu-mark-buffer t]
1910 ["Mark sparse" gnus-uu-mark-sparse t]
1911 ["Mark thread" gnus-uu-mark-thread t]
1912 ["Unmark thread" gnus-uu-unmark-thread t]
1913 ("Process Mark Sets"
1914 ["Kill" gnus-summary-kill-process-mark t]
1915 ["Yank" gnus-summary-yank-process-mark
1916 gnus-newsgroup-process-stack]
1917 ["Save" gnus-summary-save-process-mark t]))
1919 ["Page forward" gnus-summary-next-page t]
1920 ["Page backward" gnus-summary-prev-page t]
1921 ["Line forward" gnus-summary-scroll-up t])
1923 ["Next unread article" gnus-summary-next-unread-article t]
1924 ["Previous unread article" gnus-summary-prev-unread-article t]
1925 ["Next article" gnus-summary-next-article t]
1926 ["Previous article" gnus-summary-prev-article t]
1927 ["Next unread subject" gnus-summary-next-unread-subject t]
1928 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1929 ["Next article same subject" gnus-summary-next-same-subject t]
1930 ["Previous article same subject" gnus-summary-prev-same-subject t]
1931 ["First unread article" gnus-summary-first-unread-article t]
1932 ["Best unread article" gnus-summary-best-unread-article t]
1933 ["Go to subject number..." gnus-summary-goto-subject t]
1934 ["Go to article number..." gnus-summary-goto-article t]
1935 ["Go to the last article" gnus-summary-goto-last-article t]
1936 ["Pop article off history" gnus-summary-pop-article t])
1938 ["Sort by number" gnus-summary-sort-by-number t]
1939 ["Sort by author" gnus-summary-sort-by-author t]
1940 ["Sort by subject" gnus-summary-sort-by-subject t]
1941 ["Sort by date" gnus-summary-sort-by-date t]
1942 ["Sort by score" gnus-summary-sort-by-score t]
1943 ["Sort by lines" gnus-summary-sort-by-lines t]
1944 ["Sort by characters" gnus-summary-sort-by-chars t])
1946 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1947 ["Describe group" gnus-summary-describe-group t]
1948 ["Read manual" gnus-info-find-node t])
1950 ["Pick and read" gnus-pick-mode t]
1951 ["Binary" gnus-binary-mode t])
1953 ["Regenerate" gnus-summary-prepare t]
1954 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1955 ["Toggle threading" gnus-summary-toggle-threads t])
1956 ["Filter articles..." gnus-summary-execute-command t]
1957 ["Run command on subjects..." gnus-summary-universal-argument t]
1958 ["Search articles forward..." gnus-summary-search-article-forward t]
1959 ["Search articles backward..." gnus-summary-search-article-backward t]
1960 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1961 ["Expand window" gnus-summary-expand-window t]
1962 ["Expire expirable articles" gnus-summary-expire-articles
1963 (gnus-check-backend-function
1964 'request-expire-articles gnus-newsgroup-name)]
1965 ["Edit local kill file" gnus-summary-edit-local-kill t]
1966 ["Edit main kill file" gnus-summary-edit-global-kill t]
1967 ["Edit group parameters" gnus-summary-edit-parameters t]
1968 ["Customize group parameters" gnus-summary-customize-parameters t]
1969 ["Send a bug report" gnus-bug t]
1971 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1972 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1973 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1974 ["Exit group" gnus-summary-exit t]
1975 ["Exit group without updating" gnus-summary-exit-no-update t]
1976 ["Exit and goto next group" gnus-summary-next-group t]
1977 ["Exit and goto prev group" gnus-summary-prev-group t]
1978 ["Reselect group" gnus-summary-reselect-current-group t]
1979 ["Rescan group" gnus-summary-rescan-group t]
1980 ["Update dribble" gnus-summary-save-newsrc t])))
1982 (gnus-run-hooks 'gnus-summary-menu-hook)))
1984 (defun gnus-score-set-default (var value)
1985 "A version of set that updates the GNU Emacs menu-bar."
1987 ;; It is the message that forces the active status to be updated.
1990 (defun gnus-make-score-map (type)
1991 "Make a summary score map of type TYPE."
1994 (let ((headers '(("author" "from" string)
1995 ("subject" "subject" string)
1996 ("article body" "body" string)
1997 ("article head" "head" string)
1998 ("xref" "xref" string)
1999 ("extra header" "extra" string)
2000 ("lines" "lines" number)
2001 ("followups to author" "followup" string)))
2002 (types '((number ("less than" <)
2005 (string ("substring" s)
2009 (perms '(("temporary" (current-time-string))
2017 (if (eq type 'lower)
2022 (setq header (car headers))
2028 (let ((ts (cdr (assoc (nth 2 header) types)))
2044 'gnus-summary-score-entry
2046 (if (or (string= (nth 1 header)
2048 (string= (nth 1 header)
2051 (list 'gnus-summary-header
2053 (list 'quote (nth 1 (car ts)))
2054 (list 'gnus-score-delta-default
2061 (list (nreverse outp))))
2064 (list (nreverse outt))))
2066 (setq headers (cdr headers)))
2067 (list (nreverse outh))))))))
2071 (defun gnus-summary-mode (&optional group)
2072 "Major mode for reading articles.
2074 All normal editing commands are switched off.
2075 \\<gnus-summary-mode-map>
2076 Each line in this buffer represents one article. To read an
2077 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2078 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2081 You can also post articles and send mail from this buffer. To
2082 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2083 of an article, type `\\[gnus-summary-reply]'.
2085 There are approx. one gazillion commands you can execute in this
2086 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2088 The following commands are available:
2090 \\{gnus-summary-mode-map}"
2092 (when (gnus-visual-p 'summary-menu 'menu)
2093 (gnus-summary-make-menu-bar))
2094 (kill-all-local-variables)
2095 (gnus-summary-make-local-variables)
2096 (gnus-make-thread-indent-array)
2097 (gnus-simplify-mode-line)
2098 (setq major-mode 'gnus-summary-mode)
2099 (setq mode-name "Summary")
2100 (make-local-variable 'minor-mode-alist)
2101 (use-local-map gnus-summary-mode-map)
2102 (buffer-disable-undo)
2103 (setq buffer-read-only t) ;Disable modification
2104 (setq truncate-lines t)
2105 (setq selective-display t)
2106 (setq selective-display-ellipses t) ;Display `...'
2107 (gnus-summary-set-display-table)
2108 (gnus-set-default-directory)
2109 (setq gnus-newsgroup-name group)
2110 (unless (gnus-news-group-p group)
2111 (setq gnus-newsgroup-incorporated
2112 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2113 (make-local-variable 'gnus-summary-line-format)
2114 (make-local-variable 'gnus-summary-line-format-spec)
2115 (make-local-variable 'gnus-summary-dummy-line-format)
2116 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2117 (make-local-variable 'gnus-summary-mark-positions)
2118 (make-local-hook 'pre-command-hook)
2119 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2120 (gnus-run-hooks 'gnus-summary-mode-hook)
2121 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2122 (gnus-update-summary-mark-positions))
2124 (defun gnus-summary-make-local-variables ()
2125 "Make all the local summary buffer variables."
2127 (dolist (local gnus-summary-local-variables)
2130 (if (eq (cdr local) 'global)
2131 ;; Copy the global value of the variable.
2132 (setq global (symbol-value (car local)))
2133 ;; Use the value from the list.
2134 (setq global (eval (cdr local))))
2135 (set (make-local-variable (car local)) global))
2136 ;; Simple nil-valued local variable.
2137 (set (make-local-variable local) nil)))))
2139 (defun gnus-summary-clear-local-variables ()
2140 (let ((locals gnus-summary-local-variables))
2142 (if (consp (car locals))
2143 (and (vectorp (caar locals))
2144 (set (caar locals) nil))
2145 (and (vectorp (car locals))
2146 (set (car locals) nil)))
2147 (setq locals (cdr locals)))))
2149 ;; Summary data functions.
2151 (defmacro gnus-data-number (data)
2154 (defmacro gnus-data-set-number (data number)
2155 `(setcar ,data ,number))
2157 (defmacro gnus-data-mark (data)
2160 (defmacro gnus-data-set-mark (data mark)
2161 `(setcar (nthcdr 1 ,data) ,mark))
2163 (defmacro gnus-data-pos (data)
2166 (defmacro gnus-data-set-pos (data pos)
2167 `(setcar (nthcdr 2 ,data) ,pos))
2169 (defmacro gnus-data-header (data)
2172 (defmacro gnus-data-set-header (data header)
2173 `(setcar (nthcdr 3 ,data) ,header))
2175 (defmacro gnus-data-level (data)
2178 (defmacro gnus-data-unread-p (data)
2179 `(= (nth 1 ,data) gnus-unread-mark))
2181 (defmacro gnus-data-read-p (data)
2182 `(/= (nth 1 ,data) gnus-unread-mark))
2184 (defmacro gnus-data-pseudo-p (data)
2185 `(consp (nth 3 ,data)))
2187 (defmacro gnus-data-find (number)
2188 `(assq ,number gnus-newsgroup-data))
2190 (defmacro gnus-data-find-list (number &optional data)
2191 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2192 (memq (assq ,number bdata)
2195 (defmacro gnus-data-make (number mark pos header level)
2196 `(list ,number ,mark ,pos ,header ,level))
2198 (defun gnus-data-enter (after-article number mark pos header level offset)
2199 (let ((data (gnus-data-find-list after-article)))
2201 (error "No such article: %d" after-article))
2202 (setcdr data (cons (gnus-data-make number mark pos header level)
2204 (setq gnus-newsgroup-data-reverse nil)
2205 (gnus-data-update-list (cddr data) offset)))
2207 (defun gnus-data-enter-list (after-article list &optional offset)
2209 (let ((data (and after-article (gnus-data-find-list after-article)))
2213 (let ((odata gnus-newsgroup-data))
2214 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2216 (gnus-data-update-list odata offset)))
2217 ;; Find the last element in the list to be spliced into the main
2220 (setq list (cdr list)))
2223 (setcdr list gnus-newsgroup-data)
2224 (setq gnus-newsgroup-data ilist)
2226 (gnus-data-update-list (cdr list) offset)))
2227 (setcdr list (cdr data))
2230 (gnus-data-update-list (cdr list) offset))))
2231 (setq gnus-newsgroup-data-reverse nil))))
2233 (defun gnus-data-remove (article &optional offset)
2234 (let ((data gnus-newsgroup-data))
2235 (if (= (gnus-data-number (car data)) article)
2237 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2238 gnus-newsgroup-data-reverse nil)
2240 (gnus-data-update-list gnus-newsgroup-data offset)))
2242 (when (= (gnus-data-number (cadr data)) article)
2243 (setcdr data (cddr data))
2245 (gnus-data-update-list (cdr data) offset))
2247 gnus-newsgroup-data-reverse nil))
2248 (setq data (cdr data))))))
2250 (defmacro gnus-data-list (backward)
2252 (or gnus-newsgroup-data-reverse
2253 (setq gnus-newsgroup-data-reverse
2254 (reverse gnus-newsgroup-data)))
2255 gnus-newsgroup-data))
2257 (defun gnus-data-update-list (data offset)
2258 "Add OFFSET to the POS of all data entries in DATA."
2259 (setq gnus-newsgroup-data-reverse nil)
2261 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2262 (setq data (cdr data))))
2264 (defun gnus-summary-article-pseudo-p (article)
2265 "Say whether this article is a pseudo article or not."
2266 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2268 (defmacro gnus-summary-article-sparse-p (article)
2269 "Say whether this article is a sparse article or not."
2270 `(memq ,article gnus-newsgroup-sparse))
2272 (defmacro gnus-summary-article-ancient-p (article)
2273 "Say whether this article is a sparse article or not."
2274 `(memq ,article gnus-newsgroup-ancient))
2276 (defun gnus-article-parent-p (number)
2277 "Say whether this article is a parent or not."
2278 (let ((data (gnus-data-find-list number)))
2279 (and (cdr data) ; There has to be an article after...
2280 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2281 (gnus-data-level (nth 1 data))))))
2283 (defun gnus-article-children (number)
2284 "Return a list of all children to NUMBER."
2285 (let* ((data (gnus-data-find-list number))
2286 (level (gnus-data-level (car data)))
2288 (setq data (cdr data))
2290 (= (gnus-data-level (car data)) (1+ level)))
2291 (push (gnus-data-number (car data)) children)
2292 (setq data (cdr data)))
2295 (defmacro gnus-summary-skip-intangible ()
2296 "If the current article is intangible, then jump to a different article."
2297 '(let ((to (get-text-property (point) 'gnus-intangible)))
2298 (and to (gnus-summary-goto-subject to))))
2300 (defmacro gnus-summary-article-intangible-p ()
2301 "Say whether this article is intangible or not."
2302 '(get-text-property (point) 'gnus-intangible))
2304 (defun gnus-article-read-p (article)
2305 "Say whether ARTICLE is read or not."
2306 (not (or (memq article gnus-newsgroup-marked)
2307 (memq article gnus-newsgroup-unreads)
2308 (memq article gnus-newsgroup-unselected)
2309 (memq article gnus-newsgroup-dormant))))
2311 ;; Some summary mode macros.
2313 (defmacro gnus-summary-article-number ()
2314 "The article number of the article on the current line.
2315 If there isn's an article number here, then we return the current
2318 (gnus-summary-skip-intangible)
2319 (or (get-text-property (point) 'gnus-number)
2320 (gnus-summary-last-subject))))
2322 (defmacro gnus-summary-article-header (&optional number)
2323 "Return the header of article NUMBER."
2324 `(gnus-data-header (gnus-data-find
2325 ,(or number '(gnus-summary-article-number)))))
2327 (defmacro gnus-summary-thread-level (&optional number)
2328 "Return the level of thread that starts with article NUMBER."
2329 `(if (and (eq gnus-summary-make-false-root 'dummy)
2330 (get-text-property (point) 'gnus-intangible))
2332 (gnus-data-level (gnus-data-find
2333 ,(or number '(gnus-summary-article-number))))))
2335 (defmacro gnus-summary-article-mark (&optional number)
2336 "Return the mark of article NUMBER."
2337 `(gnus-data-mark (gnus-data-find
2338 ,(or number '(gnus-summary-article-number)))))
2340 (defmacro gnus-summary-article-pos (&optional number)
2341 "Return the position of the line of article NUMBER."
2342 `(gnus-data-pos (gnus-data-find
2343 ,(or number '(gnus-summary-article-number)))))
2345 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2346 (defmacro gnus-summary-article-subject (&optional number)
2347 "Return current subject string or nil if nothing."
2350 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2351 '(gnus-data-header (assq (gnus-summary-article-number)
2352 gnus-newsgroup-data)))))
2355 (mail-header-subject headers))))
2357 (defmacro gnus-summary-article-score (&optional number)
2358 "Return current article score."
2359 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2360 gnus-newsgroup-scored))
2361 gnus-summary-default-score 0))
2363 (defun gnus-summary-article-children (&optional number)
2364 "Return a list of article numbers that are children of article NUMBER."
2365 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2366 (level (gnus-data-level (car data)))
2368 (while (and (setq data (cdr data))
2369 (> (setq l (gnus-data-level (car data))) level))
2370 (and (= (1+ level) l)
2371 (push (gnus-data-number (car data))
2373 (nreverse children)))
2375 (defun gnus-summary-article-parent (&optional number)
2376 "Return the article number of the parent of article NUMBER."
2377 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2378 (gnus-data-list t)))
2379 (level (gnus-data-level (car data))))
2381 () ; This is a root.
2382 ;; We search until we find an article with a level less than
2383 ;; this one. That function has to be the parent.
2384 (while (and (setq data (cdr data))
2385 (not (< (gnus-data-level (car data)) level))))
2386 (and data (gnus-data-number (car data))))))
2388 (defun gnus-unread-mark-p (mark)
2389 "Say whether MARK is the unread mark."
2390 (= mark gnus-unread-mark))
2392 (defun gnus-read-mark-p (mark)
2393 "Say whether MARK is one of the marks that mark as read.
2394 This is all marks except unread, ticked, dormant, and expirable."
2395 (not (or (= mark gnus-unread-mark)
2396 (= mark gnus-ticked-mark)
2397 (= mark gnus-dormant-mark)
2398 (= mark gnus-expirable-mark))))
2400 (defmacro gnus-article-mark (number)
2401 "Return the MARK of article NUMBER.
2402 This macro should only be used when computing the mark the \"first\"
2403 time; i.e., when generating the summary lines. After that,
2404 `gnus-summary-article-mark' should be used to examine the
2407 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2408 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2409 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2410 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2411 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2412 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2413 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2414 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2415 gnus-ancient-mark))))
2417 ;; Saving hidden threads.
2419 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2420 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2422 (defmacro gnus-save-hidden-threads (&rest forms)
2423 "Save hidden threads, eval FORMS, and restore the hidden threads."
2424 (let ((config (make-symbol "config")))
2425 `(let ((,config (gnus-hidden-threads-configuration)))
2429 (gnus-restore-hidden-threads-configuration ,config)))))
2431 (defun gnus-data-compute-positions ()
2432 "Compute the positions of all articles."
2433 (setq gnus-newsgroup-data-reverse nil)
2434 (let ((data gnus-newsgroup-data))
2436 (gnus-save-hidden-threads
2437 (gnus-summary-show-all-threads)
2438 (goto-char (point-min))
2440 (while (get-text-property (point) 'gnus-intangible)
2442 (gnus-data-set-pos (car data) (+ (point) 3))
2443 (setq data (cdr data))
2444 (forward-line 1))))))
2446 (defun gnus-hidden-threads-configuration ()
2447 "Return the current hidden threads configuration."
2450 (goto-char (point-min))
2451 (while (search-forward "\r" nil t)
2452 (push (1- (point)) config))
2455 (defun gnus-restore-hidden-threads-configuration (config)
2456 "Restore hidden threads configuration from CONFIG."
2458 (let (point buffer-read-only)
2459 (while (setq point (pop config))
2460 (when (and (< point (point-max))
2462 (eq (char-after) ?\n))
2463 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2465 ;; Various summary mode internalish functions.
2467 (defun gnus-mouse-pick-article (e)
2470 (gnus-summary-next-page nil t))
2472 (defun gnus-summary-set-display-table ()
2473 "Change the display table.
2474 Odd characters have a tendency to mess
2475 up nicely formatted displays - we make all possible glyphs
2476 display only a single character."
2478 ;; We start from the standard display table, if any.
2479 (let ((table (or (copy-sequence standard-display-table)
2480 (make-display-table)))
2482 ;; Nix out all the control chars...
2483 (while (>= (setq i (1- i)) 0)
2484 (aset table i [??]))
2485 ;; ... but not newline and cr, of course. (cr is necessary for the
2486 ;; selective display).
2487 (aset table ?\n nil)
2488 (aset table ?\r nil)
2489 ;; We keep TAB as well.
2490 (aset table ?\t nil)
2491 ;; We nix out any glyphs over 126 that are not set already.
2493 (while (>= (setq i (1- i)) 127)
2494 ;; Only modify if the entry is nil.
2495 (unless (aref table i)
2496 (aset table i [??]))))
2497 (setq buffer-display-table table)))
2499 (defun gnus-summary-setup-buffer (group)
2500 "Initialize summary buffer."
2501 (let ((buffer (concat "*Summary " group "*")))
2502 (if (get-buffer buffer)
2505 (setq gnus-summary-buffer (current-buffer))
2506 (not gnus-newsgroup-prepared))
2507 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2508 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2509 (gnus-summary-mode group)
2511 (gnus-carpal-setup-buffer 'summary))
2512 (unless gnus-single-article-buffer
2513 (make-local-variable 'gnus-article-buffer)
2514 (make-local-variable 'gnus-article-current)
2515 (make-local-variable 'gnus-original-article-buffer))
2516 (setq gnus-newsgroup-name group)
2519 (defun gnus-set-global-variables ()
2520 "Set the global equivalents of the buffer-local variables.
2521 They are set to the latest values they had. These reflect the summary
2522 buffer that was in action when the last article was fetched."
2523 (when (eq major-mode 'gnus-summary-mode)
2524 (setq gnus-summary-buffer (current-buffer))
2525 (let ((name gnus-newsgroup-name)
2526 (marked gnus-newsgroup-marked)
2527 (unread gnus-newsgroup-unreads)
2528 (headers gnus-current-headers)
2529 (data gnus-newsgroup-data)
2530 (summary gnus-summary-buffer)
2531 (article-buffer gnus-article-buffer)
2532 (original gnus-original-article-buffer)
2533 (gac gnus-article-current)
2534 (reffed gnus-reffed-article-number)
2535 (score-file gnus-current-score-file)
2536 (default-charset gnus-newsgroup-charset))
2538 (set-buffer gnus-group-buffer)
2539 (setq gnus-newsgroup-name name
2540 gnus-newsgroup-marked marked
2541 gnus-newsgroup-unreads unread
2542 gnus-current-headers headers
2543 gnus-newsgroup-data data
2544 gnus-article-current gac
2545 gnus-summary-buffer summary
2546 gnus-article-buffer article-buffer
2547 gnus-original-article-buffer original
2548 gnus-reffed-article-number reffed
2549 gnus-current-score-file score-file
2550 gnus-newsgroup-charset default-charset)
2551 ;; The article buffer also has local variables.
2552 (when (gnus-buffer-live-p gnus-article-buffer)
2553 (set-buffer gnus-article-buffer)
2554 (setq gnus-summary-buffer summary))))))
2556 (defun gnus-summary-article-unread-p (article)
2557 "Say whether ARTICLE is unread or not."
2558 (memq article gnus-newsgroup-unreads))
2560 (defun gnus-summary-first-article-p (&optional article)
2561 "Return whether ARTICLE is the first article in the buffer."
2562 (if (not (setq article (or article (gnus-summary-article-number))))
2564 (eq article (caar gnus-newsgroup-data))))
2566 (defun gnus-summary-last-article-p (&optional article)
2567 "Return whether ARTICLE is the last article in the buffer."
2568 (if (not (setq article (or article (gnus-summary-article-number))))
2569 ;; All non-existent numbers are the last article. :-)
2571 (not (cdr (gnus-data-find-list article)))))
2573 (defun gnus-make-thread-indent-array ()
2575 (unless (and gnus-thread-indent-array
2576 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2577 (setq gnus-thread-indent-array (make-vector 201 "")
2578 gnus-thread-indent-array-level gnus-thread-indent-level)
2580 (aset gnus-thread-indent-array n
2581 (make-string (* n gnus-thread-indent-level) ? ))
2584 (defun gnus-update-summary-mark-positions ()
2585 "Compute where the summary marks are to go."
2587 (when (gnus-buffer-exists-p gnus-summary-buffer)
2588 (set-buffer gnus-summary-buffer))
2589 (let ((gnus-replied-mark 129)
2590 (gnus-score-below-mark 130)
2591 (gnus-score-over-mark 130)
2592 (gnus-download-mark 131)
2593 (spec gnus-summary-line-format-spec)
2596 (gnus-set-work-buffer)
2597 (let ((gnus-summary-line-format-spec spec)
2598 (gnus-newsgroup-downloadable '((0 . t))))
2599 (gnus-summary-insert-line
2600 (make-full-mail-header 0 "" "nobody" "" "" "" 0 0 "" nil)
2601 0 nil 128 t nil "" nil 1)
2602 (goto-char (point-min))
2603 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2605 (goto-char (point-min))
2606 (push (cons 'replied (and (search-forward "\201" nil t)
2609 (goto-char (point-min))
2610 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2612 (goto-char (point-min))
2613 (push (cons 'download
2614 (and (search-forward "\203" nil t) (- (point) 2)))
2616 (setq gnus-summary-mark-positions pos))))
2618 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2619 "Insert a dummy root in the summary buffer."
2621 (gnus-add-text-properties
2622 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2623 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2625 (defun gnus-summary-from-or-to-or-newsgroups (header)
2626 (let ((to (cdr (assq 'To (mail-header-extra header))))
2627 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2628 (default-mime-charset (with-current-buffer gnus-summary-buffer
2629 default-mime-charset)))
2632 gnus-ignored-from-addresses
2633 (string-match gnus-ignored-from-addresses
2634 (mail-header-from header)))
2636 (or (car (funcall gnus-extract-address-components
2638 gnus-decode-encoded-word-function to)))
2639 (funcall gnus-decode-encoded-word-function to))))
2641 gnus-ignored-from-addresses
2642 (string-match gnus-ignored-from-addresses
2643 (mail-header-from header)))
2644 (concat "=> " newsgroups))
2646 (or (car (funcall gnus-extract-address-components
2647 (mail-header-from header)))
2648 (mail-header-from header))))))
2650 (defun gnus-summary-insert-line (gnus-tmp-header
2651 gnus-tmp-level gnus-tmp-current
2652 gnus-tmp-unread gnus-tmp-replied
2653 gnus-tmp-expirable gnus-tmp-subject-or-nil
2654 &optional gnus-tmp-dummy gnus-tmp-score
2656 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2657 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2658 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2659 (gnus-tmp-score-char
2660 (if (or (null gnus-summary-default-score)
2661 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2662 gnus-summary-zcore-fuzz))
2664 (if (< gnus-tmp-score gnus-summary-default-score)
2665 gnus-score-below-mark gnus-score-over-mark)))
2667 (cond (gnus-tmp-process gnus-process-mark)
2668 ((memq gnus-tmp-current gnus-newsgroup-cached)
2670 (gnus-tmp-replied gnus-replied-mark)
2671 ((memq gnus-tmp-current gnus-newsgroup-saved)
2673 (t gnus-unread-mark)))
2674 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2677 ((string-match "<[^>]+> *$" gnus-tmp-from)
2678 (let ((beg (match-beginning 0)))
2679 (or (and (string-match "^\".+\"" gnus-tmp-from)
2680 (substring gnus-tmp-from 1 (1- (match-end 0))))
2681 (substring gnus-tmp-from 0 beg))))
2682 ((string-match "(.+)" gnus-tmp-from)
2683 (substring gnus-tmp-from
2684 (1+ (match-beginning 0)) (1- (match-end 0))))
2686 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2687 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2688 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2689 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2690 (buffer-read-only nil))
2691 (when (string= gnus-tmp-name "")
2692 (setq gnus-tmp-name gnus-tmp-from))
2693 (unless (numberp gnus-tmp-lines)
2694 (setq gnus-tmp-lines 0))
2695 (gnus-put-text-property-excluding-characters-with-faces
2697 (progn (eval gnus-summary-line-format-spec) (point))
2698 'gnus-number gnus-tmp-number)
2699 (when (gnus-visual-p 'summary-highlight 'highlight)
2701 (gnus-run-hooks 'gnus-summary-update-hook)
2704 (defun gnus-summary-update-line (&optional dont-update)
2705 "Update summary line after change."
2706 (when (and gnus-summary-default-score
2707 (not gnus-summary-inhibit-highlight))
2708 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2709 (article (gnus-summary-article-number))
2710 (score (gnus-summary-article-score article)))
2712 (if (and gnus-summary-mark-below
2713 (< (gnus-summary-article-score)
2714 gnus-summary-mark-below))
2715 ;; This article has a low score, so we mark it as read.
2716 (when (memq article gnus-newsgroup-unreads)
2717 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2718 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2719 ;; This article was previously marked as read on account
2720 ;; of a low score, but now it has risen, so we mark it as
2722 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2723 (gnus-summary-update-mark
2724 (if (or (null gnus-summary-default-score)
2725 (<= (abs (- score gnus-summary-default-score))
2726 gnus-summary-zcore-fuzz))
2728 (if (< score gnus-summary-default-score)
2729 gnus-score-below-mark gnus-score-over-mark))
2731 ;; Do visual highlighting.
2732 (when (gnus-visual-p 'summary-highlight 'highlight)
2733 (gnus-run-hooks 'gnus-summary-update-hook)))))
2735 (defvar gnus-tmp-new-adopts nil)
2737 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2738 "Return the number of articles in THREAD.
2739 This may be 0 in some cases -- if none of the articles in
2740 the thread are to be displayed."
2742 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2744 ((not (listp thread))
2746 ((and (consp thread) (cdr thread))
2749 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2752 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2755 (when (and level (zerop level) gnus-tmp-new-adopts)
2758 'gnus-summary-number-of-articles-in-thread
2759 gnus-tmp-new-adopts))))
2761 (if (> number 1) gnus-not-empty-thread-mark
2762 gnus-empty-thread-mark)
2765 (defun gnus-summary-set-local-parameters (group)
2766 "Go through the local params of GROUP and set all variable specs in that list."
2767 (let ((params (gnus-group-find-parameter group))
2770 (setq elem (car params)
2771 params (cdr params))
2772 (and (consp elem) ; Has to be a cons.
2773 (consp (cdr elem)) ; The cdr has to be a list.
2774 (symbolp (car elem)) ; Has to be a symbol in there.
2775 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2776 (ignore-errors ; So we set it.
2777 (make-local-variable (car elem))
2778 (set (car elem) (eval (nth 1 elem))))))))
2780 (defun gnus-summary-read-group (group &optional show-all no-article
2781 kill-buffer no-display backward
2783 "Start reading news in newsgroup GROUP.
2784 If SHOW-ALL is non-nil, already read articles are also listed.
2785 If NO-ARTICLE is non-nil, no article is selected initially.
2786 If NO-DISPLAY, don't generate a summary buffer."
2790 (let ((gnus-auto-select-next nil))
2791 (or (gnus-summary-read-group-1
2792 group show-all no-article
2793 kill-buffer no-display
2796 select-articles nil)))))
2797 (eq gnus-auto-select-next 'quietly))
2798 (set-buffer gnus-group-buffer)
2799 ;; The entry function called above goes to the next
2800 ;; group automatically, so we go two groups back
2801 ;; if we are searching for the previous group.
2803 (gnus-group-prev-unread-group 2))
2804 (if (not (equal group (gnus-group-group-name)))
2805 (setq group (gnus-group-group-name))
2809 (defun gnus-summary-jump-to-other-group (group &optional show-all)
2810 "Directly jump to the other GROUP from summary buffer.
2811 If SHOW-ALL is non-nil, already read articles are also listed."
2813 (if (eq gnus-summary-buffer (current-buffer))
2814 (list (completing-read
2815 "Group: " gnus-active-hashtb nil t
2816 (when (and gnus-newsgroup-name
2817 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
2818 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
2819 'gnus-group-history)
2821 (error "%s must be invoked from a gnus summary buffer." this-command)))
2822 (unless (or (zerop (length group))
2823 (and gnus-newsgroup-name
2824 (string-equal gnus-newsgroup-name group)))
2826 (gnus-summary-read-group group show-all
2827 gnus-dont-select-after-jump-to-other-group)))
2829 (defun gnus-summary-read-group-1 (group show-all no-article
2830 kill-buffer no-display
2831 &optional select-articles)
2832 ;; Killed foreign groups can't be entered.
2833 (when (and (not (gnus-group-native-p group))
2834 (not (gnus-gethash group gnus-newsrc-hashtb)))
2835 (error "Dead non-native groups can't be entered"))
2836 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2837 (let* ((new-group (gnus-summary-setup-buffer group))
2838 (quit-config (gnus-group-quit-config group))
2839 (did-select (and new-group (gnus-select-newsgroup
2840 group show-all select-articles))))
2842 ;; This summary buffer exists already, so we just select it.
2844 (gnus-set-global-variables)
2846 (gnus-kill-or-deaden-summary kill-buffer))
2847 (gnus-configure-windows 'summary 'force)
2848 (gnus-set-mode-line 'summary)
2849 (gnus-summary-position-point)
2852 ;; We couldn't select this group.
2854 (when (and (eq major-mode 'gnus-summary-mode)
2855 (not (equal (current-buffer) kill-buffer)))
2856 (kill-buffer (current-buffer))
2857 (if (not quit-config)
2859 ;; Update the info -- marks might need to be removed,
2861 (gnus-summary-update-info)
2862 (set-buffer gnus-group-buffer)
2863 (gnus-group-jump-to-group group)
2864 (gnus-group-next-unread-group 1))
2865 (gnus-handle-ephemeral-exit quit-config)))
2866 (gnus-message 3 "Can't select group")
2868 ;; The user did a `C-g' while prompting for number of articles,
2869 ;; so we exit this group.
2870 ((eq did-select 'quit)
2871 (and (eq major-mode 'gnus-summary-mode)
2872 (not (equal (current-buffer) kill-buffer))
2873 (kill-buffer (current-buffer)))
2875 (gnus-kill-or-deaden-summary kill-buffer))
2876 (if (not quit-config)
2878 (set-buffer gnus-group-buffer)
2879 (gnus-group-jump-to-group group)
2880 (gnus-group-next-unread-group 1)
2881 (gnus-configure-windows 'group 'force))
2882 (gnus-handle-ephemeral-exit quit-config))
2883 ;; Finally signal the quit.
2885 ;; The group was successfully selected.
2887 (gnus-set-global-variables)
2888 ;; Save the active value in effect when the group was entered.
2889 (setq gnus-newsgroup-active
2891 (gnus-active gnus-newsgroup-name)))
2892 ;; You can change the summary buffer in some way with this hook.
2893 (gnus-run-hooks 'gnus-select-group-hook)
2894 ;; Set any local variables in the group parameters.
2895 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2896 (gnus-update-format-specifications
2897 nil 'summary 'summary-mode 'summary-dummy)
2898 (gnus-update-summary-mark-positions)
2899 ;; Do score processing.
2900 (when gnus-use-scoring
2901 (gnus-possibly-score-headers))
2902 ;; Check whether to fill in the gaps in the threads.
2903 (when gnus-build-sparse-threads
2904 (gnus-build-sparse-threads))
2905 ;; Find the initial limit.
2906 (if gnus-show-threads
2908 (let ((gnus-newsgroup-dormant nil))
2909 (gnus-summary-initial-limit show-all))
2910 (gnus-summary-initial-limit show-all))
2911 ;; When untreaded, all articles are always shown.
2912 (setq gnus-newsgroup-limit
2914 (lambda (header) (mail-header-number header))
2915 gnus-newsgroup-headers)))
2916 ;; Generate the summary buffer.
2918 (gnus-summary-prepare))
2919 (when gnus-use-trees
2920 (gnus-tree-open group)
2921 (setq gnus-summary-highlight-line-function
2922 'gnus-tree-highlight-article))
2923 ;; If the summary buffer is empty, but there are some low-scored
2924 ;; articles or some excluded dormants, we include these in the
2926 (when (and (zerop (buffer-size))
2928 (cond (gnus-newsgroup-dormant
2929 (gnus-summary-limit-include-dormant))
2930 ((and gnus-newsgroup-scored show-all)
2931 (gnus-summary-limit-include-expunged t))))
2932 ;; Function `gnus-apply-kill-file' must be called in this hook.
2933 (gnus-run-hooks 'gnus-apply-kill-hook)
2934 (if (and (zerop (buffer-size))
2937 ;; This newsgroup is empty.
2938 (gnus-summary-catchup-and-exit nil t)
2939 (gnus-message 6 "No unread news")
2941 (gnus-kill-or-deaden-summary kill-buffer))
2942 ;; Return nil from this function.
2944 ;; Hide conversation thread subtrees. We cannot do this in
2945 ;; gnus-summary-prepare-hook since kill processing may not
2946 ;; work with hidden articles.
2947 (and gnus-show-threads
2948 gnus-thread-hide-subtree
2949 (gnus-summary-hide-all-threads))
2951 (gnus-kill-or-deaden-summary kill-buffer))
2952 ;; Show first unread article if requested.
2953 (if (and (not no-article)
2955 gnus-newsgroup-unreads
2956 gnus-auto-select-first)
2958 (gnus-configure-windows 'summary)
2960 ((eq gnus-auto-select-first 'best)
2961 (gnus-summary-best-unread-article))
2962 ((eq gnus-auto-select-first t)
2963 (gnus-summary-first-unread-article))
2964 ((gnus-functionp gnus-auto-select-first)
2965 (funcall gnus-auto-select-first))))
2966 ;; Don't select any articles, just move point to the first
2967 ;; article in the group.
2968 (goto-char (point-min))
2969 (gnus-summary-position-point)
2970 (gnus-configure-windows 'summary 'force)
2971 (gnus-set-mode-line 'summary))
2972 (when (get-buffer-window gnus-group-buffer t)
2973 ;; Gotta use windows, because recenter does weird stuff if
2974 ;; the current buffer ain't the displayed window.
2975 (let ((owin (selected-window)))
2976 (select-window (get-buffer-window gnus-group-buffer t))
2977 (when (gnus-group-goto-group group)
2979 (select-window owin)))
2980 ;; Mark this buffer as "prepared".
2981 (setq gnus-newsgroup-prepared t)
2982 (gnus-run-hooks 'gnus-summary-prepared-hook)
2985 (defun gnus-summary-prepare ()
2986 "Generate the summary buffer."
2988 (let ((buffer-read-only nil))
2990 (setq gnus-newsgroup-data nil
2991 gnus-newsgroup-data-reverse nil)
2992 (gnus-run-hooks 'gnus-summary-generate-hook)
2993 ;; Generate the buffer, either with threads or without.
2994 (when gnus-newsgroup-headers
2995 (gnus-summary-prepare-threads
2996 (if gnus-show-threads
2997 (gnus-sort-gathered-threads
2998 (funcall gnus-summary-thread-gathering-function
3000 (gnus-cut-threads (gnus-make-threads)))))
3001 ;; Unthreaded display.
3002 (gnus-sort-articles gnus-newsgroup-headers))))
3003 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3004 ;; Call hooks for modifying summary buffer.
3005 (goto-char (point-min))
3006 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3008 (defsubst gnus-general-simplify-subject (subject)
3009 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3012 ;; Truncate the subject.
3013 (gnus-simplify-subject-functions
3014 (gnus-map-function gnus-simplify-subject-functions subject))
3015 ((numberp gnus-summary-gather-subject-limit)
3016 (setq subject (gnus-simplify-subject-re subject))
3017 (if (> (length subject) gnus-summary-gather-subject-limit)
3018 (substring subject 0 gnus-summary-gather-subject-limit)
3020 ;; Fuzzily simplify it.
3021 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3022 (gnus-simplify-subject-fuzzy subject))
3023 ;; Just remove the leading "Re:".
3025 (gnus-simplify-subject-re subject))))
3027 (if (and gnus-summary-gather-exclude-subject
3028 (string-match gnus-summary-gather-exclude-subject subject))
3029 nil ; This article shouldn't be gathered
3032 (defun gnus-summary-simplify-subject-query ()
3033 "Query where the respool algorithm would put this article."
3035 (gnus-summary-select-article)
3037 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3039 (defun gnus-gather-threads-by-subject (threads)
3040 "Gather threads by looking at Subject headers."
3041 (if (not gnus-summary-make-false-root)
3043 (let ((hashtb (gnus-make-hashtable 1024))
3046 subject hthread whole-subject)
3048 (setq subject (gnus-general-simplify-subject
3049 (setq whole-subject (mail-header-subject
3052 (if (setq hthread (gnus-gethash subject hashtb))
3054 ;; We enter a dummy root into the thread, if we
3055 ;; haven't done that already.
3056 (unless (stringp (caar hthread))
3057 (setcar hthread (list whole-subject (car hthread))))
3058 ;; We add this new gathered thread to this gathered
3060 (setcdr (car hthread)
3061 (nconc (cdar hthread) (list (car threads))))
3062 ;; Remove it from the list of threads.
3063 (setcdr prev (cdr threads))
3064 (setq threads prev))
3065 ;; Enter this thread into the hash table.
3066 (gnus-sethash subject threads hashtb)))
3068 (setq threads (cdr threads)))
3071 (defun gnus-gather-threads-by-references (threads)
3072 "Gather threads by looking at References headers."
3073 (let ((idhashtb (gnus-make-hashtable 1024))
3074 (thhashtb (gnus-make-hashtable 1024))
3077 ids references id gthread gid entered ref)
3079 (when (setq references (mail-header-references (caar threads)))
3080 (setq id (mail-header-id (caar threads))
3081 ids (gnus-split-references references)
3083 (while (setq ref (pop ids))
3084 (setq ids (delete ref ids))
3085 (if (not (setq gid (gnus-gethash ref idhashtb)))
3087 (gnus-sethash ref id idhashtb)
3088 (gnus-sethash id threads thhashtb))
3089 (setq gthread (gnus-gethash gid thhashtb))
3091 ;; We enter a dummy root into the thread, if we
3092 ;; haven't done that already.
3093 (unless (stringp (caar gthread))
3094 (setcar gthread (list (mail-header-subject (caar gthread))
3096 ;; We add this new gathered thread to this gathered
3098 (setcdr (car gthread)
3099 (nconc (cdar gthread) (list (car threads)))))
3100 ;; Add it into the thread hash table.
3101 (gnus-sethash id gthread thhashtb)
3103 ;; Remove it from the list of threads.
3104 (setcdr prev (cdr threads))
3105 (setq threads prev))))
3107 (setq threads (cdr threads)))
3110 (defun gnus-sort-gathered-threads (threads)
3111 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3112 (let ((result threads))
3114 (when (stringp (caar threads))
3115 (setcdr (car threads)
3116 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3117 (setq threads (cdr threads)))
3120 (defun gnus-thread-loop-p (root thread)
3121 "Say whether ROOT is in THREAD."
3122 (let ((stack (list thread))
3125 (while (setq thread (pop stack))
3126 (setq th (cdr thread))
3128 (not (eq (caar th) root)))
3131 ;; We have found a loop.
3133 (setcdr thread (delq (car th) (cdr thread)))
3134 (if (boundp (setq ref-dep (intern "none"
3135 gnus-newsgroup-dependencies)))
3136 (setcdr (symbol-value ref-dep)
3137 (nconc (cdr (symbol-value ref-dep))
3139 (set ref-dep (list nil (car th))))
3142 ;; Push all the subthreads onto the stack.
3143 (push (cdr thread) stack)))
3146 (defun gnus-make-threads ()
3147 "Go through the dependency hashtb and find the roots. Return all threads."
3149 (while (catch 'infloop
3152 ;; Deal with self-referencing References loops.
3153 (when (and (car (symbol-value refs))
3160 (car (symbol-value refs)) thread))
3161 (cdr (symbol-value refs)))))))
3164 (unless (car (symbol-value refs))
3165 ;; These threads do not refer back to any other articles,
3166 ;; so they're roots.
3167 (setq threads (append (cdr (symbol-value refs)) threads))))
3168 gnus-newsgroup-dependencies)))
3171 ;; Build the thread tree.
3172 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3173 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3175 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3176 if it was already present.
3178 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3179 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3180 Message-IDs will be renamed be renamed to a unique Message-ID before
3183 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3184 (let* ((id (mail-header-id header))
3185 (id-dep (and id (intern id dependencies)))
3186 ref ref-dep ref-header)
3187 ;; Enter this `header' in the `dependencies' table.
3191 ;; The first two cases do the normal part: enter a new `header'
3192 ;; in the `dependencies' table.
3193 ((not (boundp id-dep))
3194 (set id-dep (list header)))
3195 ((null (car (symbol-value id-dep)))
3196 (setcar (symbol-value id-dep) header))
3198 ;; From here the `header' was already present in the
3199 ;; `dependencies' table.
3201 ;; Overrides an existing entry;
3202 ;; just set the header part of the entry.
3203 (setcar (symbol-value id-dep) header))
3205 ;; Renames the existing `header' to a unique Message-ID.
3206 ((not gnus-summary-ignore-duplicates)
3207 ;; An article with this Message-ID has already been seen.
3208 ;; We rename the Message-ID.
3209 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3211 (mail-header-set-id header id))
3213 ;; The last case ignores an existing entry, except it adds any
3214 ;; additional Xrefs (in case the two articles came from different
3216 ;; Also sets `header' to `nil' meaning that the `dependencies'
3217 ;; table was *not* modified.
3219 (mail-header-set-xref
3220 (car (symbol-value id-dep))
3221 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3223 (or (mail-header-xref header) "")))
3227 ;; First check if that we are not creating a References loop.
3228 (setq ref (gnus-parent-id (mail-header-references header)))
3230 (setq ref-dep (intern-soft ref dependencies))
3232 (setq ref-header (car (symbol-value ref-dep))))
3233 (if (string= id ref)
3234 ;; Yuk! This is a reference loop. Make the article be a
3237 (mail-header-set-references (car (symbol-value id-dep)) "none")
3239 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3240 (setq ref (gnus-parent-id (mail-header-references header)))
3241 (setq ref-dep (intern (or ref "none") dependencies))
3242 (if (boundp ref-dep)
3243 (setcdr (symbol-value ref-dep)
3244 (nconc (cdr (symbol-value ref-dep))
3245 (list (symbol-value id-dep))))
3246 (set ref-dep (list nil (symbol-value id-dep)))))
3249 (defun gnus-build-sparse-threads ()
3250 (let ((headers gnus-newsgroup-headers)
3251 (mail-parse-charset gnus-newsgroup-charset)
3252 (gnus-summary-ignore-duplicates t)
3253 header references generation relations
3254 subject child end new-child date)
3255 ;; First we create an alist of generations/relations, where
3256 ;; generations is how much we trust the relation, and the relation
3258 (gnus-message 7 "Making sparse threads...")
3260 (nnheader-set-temp-buffer " *gnus sparse threads*")
3261 (while (setq header (pop headers))
3262 (when (and (setq references (mail-header-references header))
3263 (not (string= references "")))
3265 (setq child (mail-header-id header)
3266 subject (mail-header-subject header)
3267 date (mail-header-date header)
3269 (while (search-backward ">" nil t)
3270 (setq end (1+ (point)))
3271 (when (search-backward "<" nil t)
3272 (setq new-child (buffer-substring (point) end))
3273 (push (list (incf generation)
3274 child (setq child new-child)
3278 (push (list (1+ generation) child nil subject) relations))
3280 (kill-buffer (current-buffer)))
3281 ;; Sort over trustworthiness.
3284 (when (gnus-dependencies-add-header
3285 (make-full-mail-header-from-decoded-header
3286 gnus-reffed-article-number
3287 (nth 3 relation) "" (or (nth 4 relation) "")
3289 (or (nth 2 relation) "") 0 0 "")
3290 gnus-newsgroup-dependencies nil)
3291 (push gnus-reffed-article-number gnus-newsgroup-limit)
3292 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3293 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3294 gnus-newsgroup-reads)
3295 (decf gnus-reffed-article-number)))
3296 (sort relations 'car-less-than-car))
3297 (gnus-message 7 "Making sparse threads...done")))
3299 (defun gnus-build-old-threads ()
3300 ;; Look at all the articles that refer back to old articles, and
3301 ;; fetch the headers for the articles that aren't there. This will
3302 ;; build complete threads - if the roots haven't been expired by the
3304 (let ((mail-parse-charset gnus-newsgroup-charset)
3308 (when (not (car (symbol-value refs)))
3309 (setq heads (cdr (symbol-value refs)))
3311 (if (memq (mail-header-number (caar heads))
3312 gnus-newsgroup-dormant)
3313 (setq heads (cdr heads))
3314 (setq id (symbol-name refs))
3315 (while (and (setq id (gnus-build-get-header id))
3316 (not (car (gnus-id-to-thread id)))))
3317 (setq heads nil)))))
3318 gnus-newsgroup-dependencies)))
3320 ;; This function has to be called with point after the article number
3321 ;; on the beginning of the line.
3322 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3323 (let ((eol (gnus-point-at-eol))
3324 (buffer (current-buffer))
3327 ;; overview: [num subject from date id refs chars lines misc]
3330 (narrow-to-region (point) eol)
3335 (make-full-mail-header
3337 (nnheader-nov-field) ; subject
3338 (nnheader-nov-field) ; from
3339 (nnheader-nov-field) ; date
3340 (nnheader-nov-read-message-id) ; id
3341 (nnheader-nov-field) ; refs
3342 (nnheader-nov-read-integer) ; chars
3343 (nnheader-nov-read-integer) ; lines
3345 (if (looking-at "Xref: ")
3346 (goto-char (match-end 0)))
3347 (nnheader-nov-field)) ; Xref
3348 (nnheader-nov-parse-extra)))) ; extra
3352 (when gnus-alter-header-function
3353 (funcall gnus-alter-header-function header))
3354 (gnus-dependencies-add-header header dependencies force-new)))
3356 (defun gnus-build-get-header (id)
3357 "Look through the buffer of NOV lines and find the header to ID.
3358 Enter this line into the dependencies hash table, and return
3359 the id of the parent article (if any)."
3360 (let ((deps gnus-newsgroup-dependencies)
3364 (set-buffer nntp-server-buffer)
3365 (let ((case-fold-search nil))
3366 (goto-char (point-min))
3367 (while (and (not found)
3368 (search-forward id nil t))
3370 (setq found (looking-at
3371 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3372 (regexp-quote id))))
3373 (or found (beginning-of-line 2)))
3377 (setq header (gnus-nov-parse-line
3378 (read (current-buffer)) deps))
3379 (gnus-parent-id (mail-header-references header))))))
3381 (let ((number (mail-header-number header)))
3382 (push number gnus-newsgroup-limit)
3383 (push header gnus-newsgroup-headers)
3384 (if (memq number gnus-newsgroup-unselected)
3386 (push number gnus-newsgroup-unreads)
3387 (setq gnus-newsgroup-unselected
3388 (delq number gnus-newsgroup-unselected)))
3389 (push number gnus-newsgroup-ancient)))))))
3391 (defun gnus-build-all-threads ()
3392 "Read all the headers."
3393 (let ((gnus-summary-ignore-duplicates t)
3394 (mail-parse-charset gnus-newsgroup-charset)
3395 (dependencies gnus-newsgroup-dependencies)
3398 (set-buffer nntp-server-buffer)
3399 (let ((case-fold-search nil))
3400 (goto-char (point-min))
3403 (setq article (read (current-buffer))
3404 header (gnus-nov-parse-line article dependencies)))
3407 (set-buffer gnus-summary-buffer)
3408 (push header gnus-newsgroup-headers)
3409 (if (memq (setq article (mail-header-number header))
3410 gnus-newsgroup-unselected)
3412 (push article gnus-newsgroup-unreads)
3413 (setq gnus-newsgroup-unselected
3414 (delq article gnus-newsgroup-unselected)))
3415 (push article gnus-newsgroup-ancient)))
3416 (forward-line 1)))))))
3418 (defun gnus-summary-update-article-line (article header)
3419 "Update the line for ARTICLE using HEADERS."
3420 (let* ((id (mail-header-id header))
3421 (thread (gnus-id-to-thread id)))
3423 (error "Article in no thread"))
3424 ;; Update the thread.
3425 (setcar thread header)
3426 (gnus-summary-goto-subject article)
3427 (let* ((datal (gnus-data-find-list article))
3429 (length (when (cdr datal)
3430 (- (gnus-data-pos data)
3431 (gnus-data-pos (cadr datal)))))
3432 (buffer-read-only nil)
3433 (level (gnus-summary-thread-level)))
3435 (gnus-summary-insert-line
3436 header level nil (gnus-article-mark article)
3437 (memq article gnus-newsgroup-replied)
3438 (memq article gnus-newsgroup-expirable)
3439 ;; Only insert the Subject string when it's different
3440 ;; from the previous Subject string.
3445 (mail-header-subject
3448 (gnus-data-find-list
3450 (gnus-data-list t)))))
3451 ;; Error on the side of excessive subjects.
3453 (mail-header-subject header)))
3455 (mail-header-subject header))
3456 nil (cdr (assq article gnus-newsgroup-scored))
3457 (memq article gnus-newsgroup-processable))
3459 (gnus-data-update-list
3460 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3462 (defun gnus-summary-update-article (article &optional iheader)
3463 "Update ARTICLE in the summary buffer."
3464 (set-buffer gnus-summary-buffer)
3465 (let* ((header (gnus-summary-article-header article))
3466 (id (mail-header-id header))
3467 (data (gnus-data-find article))
3468 (thread (gnus-id-to-thread id))
3469 (references (mail-header-references header))
3473 (when (and references
3474 (not (equal "" references)))
3477 (buffer-read-only nil)
3483 (delq thread parent)))
3484 (if (gnus-summary-insert-subject id header)
3485 ;; Set the (possibly) new article number in the data structure.
3486 (gnus-data-set-number data (gnus-id-to-article id))
3490 (defun gnus-rebuild-thread (id &optional line)
3491 "Rebuild the thread containing ID.
3492 If LINE, insert the rebuilt thread starting on line LINE."
3493 (let ((buffer-read-only nil)
3494 old-pos current thread data)
3495 (if (not gnus-show-threads)
3496 (setq thread (list (car (gnus-id-to-thread id))))
3497 ;; Get the thread this article is part of.
3498 (setq thread (gnus-remove-thread id)))
3499 (setq old-pos (gnus-point-at-bol))
3500 (setq current (save-excursion
3501 (and (zerop (forward-line -1))
3502 (gnus-summary-article-number))))
3503 ;; If this is a gathered thread, we have to go some re-gathering.
3504 (when (stringp (car thread))
3505 (let ((subject (car thread))
3507 (setq thread (cdr thread))
3509 (unless (memq (setq thr (gnus-id-to-thread
3511 (mail-header-id (caar thread)))))
3514 (setq thread (cdr thread)))
3515 ;; We now have all (unique) roots.
3516 (if (= (length roots) 1)
3517 ;; All the loose roots are now one solid root.
3518 (setq thread (car roots))
3519 (setq thread (cons subject (gnus-sort-threads roots))))))
3521 ;; We then insert this thread into the summary buffer.
3523 (goto-char (point-min))
3524 (forward-line (1- line)))
3525 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3526 (if gnus-show-threads
3527 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3528 (gnus-summary-prepare-unthreaded thread))
3529 (setq data (nreverse gnus-newsgroup-data))
3530 (setq threads gnus-newsgroup-threads))
3531 ;; We splice the new data into the data structure.
3532 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3533 ;;!!! then we want to insert at the beginning of the buffer.
3534 ;;!!! That happens to be true with Gnus now, but that may
3535 ;;!!! change in the future. Perhaps.
3536 (gnus-data-enter-list
3537 (if line nil current) data (- (point) old-pos))
3538 (setq gnus-newsgroup-threads
3539 (nconc threads gnus-newsgroup-threads))
3540 (gnus-data-compute-positions))))
3542 (defun gnus-number-to-header (number)
3543 "Return the header for article NUMBER."
3544 (let ((headers gnus-newsgroup-headers))
3546 (not (= number (mail-header-number (car headers)))))
3551 (defun gnus-parent-headers (in-headers &optional generation)
3552 "Return the headers of the GENERATIONeth parent of HEADERS."
3554 (setq generation 1))
3556 (headers in-headers)
3559 (not (zerop generation))
3560 (setq references (mail-header-references headers)))
3561 (setq headers (if (and references
3562 (setq parent (gnus-parent-id references)))
3563 (car (gnus-id-to-thread parent))
3566 (and (not (eq headers in-headers))
3569 (defun gnus-id-to-thread (id)
3570 "Return the (sub-)thread where ID appears."
3571 (gnus-gethash id gnus-newsgroup-dependencies))
3573 (defun gnus-id-to-article (id)
3574 "Return the article number of ID."
3575 (let ((thread (gnus-id-to-thread id)))
3578 (mail-header-number (car thread)))))
3580 (defun gnus-id-to-header (id)
3581 "Return the article headers of ID."
3582 (car (gnus-id-to-thread id)))
3584 (defun gnus-article-displayed-root-p (article)
3585 "Say whether ARTICLE is a root(ish) article."
3586 (let ((level (gnus-summary-thread-level article))
3587 (refs (mail-header-references (gnus-summary-article-header article)))
3593 ((null (gnus-parent-id refs)) t)
3595 (null (setq particle (gnus-id-to-article
3596 (gnus-parent-id refs))))
3597 (null (gnus-summary-thread-level particle)))))))
3599 (defun gnus-root-id (id)
3600 "Return the id of the root of the thread where ID appears."
3602 (while (and id (setq prev (car (gnus-id-to-thread id))))
3604 id (gnus-parent-id (mail-header-references prev))))
3607 (defun gnus-articles-in-thread (thread)
3608 "Return the list of articles in THREAD."
3609 (cons (mail-header-number (car thread))
3610 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3612 (defun gnus-remove-thread (id &optional dont-remove)
3613 "Remove the thread that has ID in it."
3614 (let (headers thread last-id)
3615 ;; First go up in this thread until we find the root.
3616 (setq last-id (gnus-root-id id)
3617 headers (message-flatten-list (gnus-id-to-thread last-id)))
3618 ;; We have now found the real root of this thread. It might have
3619 ;; been gathered into some loose thread, so we have to search
3620 ;; through the threads to find the thread we wanted.
3621 (let ((threads gnus-newsgroup-threads)
3624 (setq sub (car threads))
3625 (if (stringp (car sub))
3626 ;; This is a gathered thread, so we look at the roots
3627 ;; below it to find whether this article is in this
3630 (setq sub (cdr sub))
3632 (when (member (caar sub) headers)
3633 (setq thread (car threads)
3636 (setq sub (cdr sub))))
3637 ;; It's an ordinary thread, so we check it.
3638 (when (eq (car sub) (car headers))
3641 (setq threads (cdr threads)))
3642 ;; If this article is in no thread, then it's a root.
3645 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3646 (setq thread (gnus-id-to-thread last-id)))
3649 thread ; We return this thread.
3651 (if (stringp (car thread))
3653 ;; If we use dummy roots, then we have to remove the
3654 ;; dummy root as well.
3655 (when (eq gnus-summary-make-false-root 'dummy)
3656 ;; We go to the dummy root by going to
3657 ;; the first sub-"thread", and then one line up.
3658 (gnus-summary-goto-article
3659 (mail-header-number (caadr thread)))
3662 (gnus-data-compute-positions))
3663 (setq thread (cdr thread))
3665 (gnus-remove-thread-1 (car thread))
3666 (setq thread (cdr thread))))
3667 (gnus-remove-thread-1 thread))))))))
3669 (defun gnus-remove-thread-1 (thread)
3670 "Remove the thread THREAD recursively."
3671 (let ((number (mail-header-number (pop thread)))
3673 (setq thread (reverse thread))
3675 (gnus-remove-thread-1 (pop thread)))
3676 (when (setq d (gnus-data-find number))
3677 (goto-char (gnus-data-pos d))
3678 (gnus-summary-show-thread)
3681 (- (gnus-point-at-bol)
3683 (1+ (gnus-point-at-eol))
3684 (gnus-delete-line)))))))
3686 (defun gnus-sort-threads-1 (threads func)
3687 (sort (mapcar (lambda (thread)
3690 (gnus-sort-threads-1 (cdr thread) func))))
3693 (defun gnus-sort-threads (threads)
3695 (if (not gnus-thread-sort-functions)
3697 (gnus-message 8 "Sorting threads...")
3699 (gnus-sort-threads-1
3701 (gnus-make-sort-function gnus-thread-sort-functions))
3702 (gnus-message 8 "Sorting threads...done"))))
3704 (defun gnus-sort-articles (articles)
3706 (when gnus-article-sort-functions
3707 (gnus-message 7 "Sorting articles...")
3709 (setq gnus-newsgroup-headers
3710 (sort articles (gnus-make-sort-function
3711 gnus-article-sort-functions)))
3712 (gnus-message 7 "Sorting articles...done"))))
3714 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3715 (defmacro gnus-thread-header (thread)
3716 "Return header of first article in THREAD.
3717 Note that THREAD must never, ever be anything else than a variable -
3718 using some other form will lead to serious barfage."
3719 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3720 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3721 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
3724 (defsubst gnus-article-sort-by-number (h1 h2)
3725 "Sort articles by article number."
3726 (< (mail-header-number h1)
3727 (mail-header-number h2)))
3729 (defun gnus-thread-sort-by-number (h1 h2)
3730 "Sort threads by root article number."
3731 (gnus-article-sort-by-number
3732 (gnus-thread-header h1) (gnus-thread-header h2)))
3734 (defsubst gnus-article-sort-by-lines (h1 h2)
3735 "Sort articles by article Lines header."
3736 (< (mail-header-lines h1)
3737 (mail-header-lines h2)))
3739 (defun gnus-thread-sort-by-lines (h1 h2)
3740 "Sort threads by root article Lines header."
3741 (gnus-article-sort-by-lines
3742 (gnus-thread-header h1) (gnus-thread-header h2)))
3744 (defsubst gnus-article-sort-by-chars (h1 h2)
3745 "Sort articles by octet length."
3746 (< (mail-header-chars h1)
3747 (mail-header-chars h2)))
3749 (defun gnus-thread-sort-by-chars (h1 h2)
3750 "Sort threads by root article octet length."
3751 (gnus-article-sort-by-chars
3752 (gnus-thread-header h1) (gnus-thread-header h2)))
3754 (defsubst gnus-article-sort-by-author (h1 h2)
3755 "Sort articles by root author."
3757 (let ((addr (car (mime-entity-read-field h1 'From))))
3758 (or (std11-full-name-string addr)
3759 (std11-address-string addr)
3761 (let ((addr (car (mime-entity-read-field h2 'From))))
3762 (or (std11-full-name-string addr)
3763 (std11-address-string addr)
3767 (defun gnus-thread-sort-by-author (h1 h2)
3768 "Sort threads by root author."
3769 (gnus-article-sort-by-author
3770 (gnus-thread-header h1) (gnus-thread-header h2)))
3772 (defsubst gnus-article-sort-by-subject (h1 h2)
3773 "Sort articles by root subject."
3775 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3776 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3778 (defun gnus-thread-sort-by-subject (h1 h2)
3779 "Sort threads by root subject."
3780 (gnus-article-sort-by-subject
3781 (gnus-thread-header h1) (gnus-thread-header h2)))
3783 (defsubst gnus-article-sort-by-date (h1 h2)
3784 "Sort articles by root article date."
3786 (gnus-date-get-time (mail-header-date h1))
3787 (gnus-date-get-time (mail-header-date h2))))
3789 (defun gnus-thread-sort-by-date (h1 h2)
3790 "Sort threads by root article date."
3791 (gnus-article-sort-by-date
3792 (gnus-thread-header h1) (gnus-thread-header h2)))
3794 (defsubst gnus-article-sort-by-score (h1 h2)
3795 "Sort articles by root article score.
3796 Unscored articles will be counted as having a score of zero."
3797 (> (or (cdr (assq (mail-header-number h1)
3798 gnus-newsgroup-scored))
3799 gnus-summary-default-score 0)
3800 (or (cdr (assq (mail-header-number h2)
3801 gnus-newsgroup-scored))
3802 gnus-summary-default-score 0)))
3804 (defun gnus-thread-sort-by-score (h1 h2)
3805 "Sort threads by root article score."
3806 (gnus-article-sort-by-score
3807 (gnus-thread-header h1) (gnus-thread-header h2)))
3809 (defun gnus-thread-sort-by-total-score (h1 h2)
3810 "Sort threads by the sum of all scores in the thread.
3811 Unscored articles will be counted as having a score of zero."
3812 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3814 (defun gnus-thread-total-score (thread)
3815 ;; This function find the total score of THREAD.
3816 (cond ((null thread)
3819 (if (stringp (car thread))
3820 (apply gnus-thread-score-function 0
3821 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3822 (gnus-thread-total-score-1 thread)))
3824 (gnus-thread-total-score-1 (list thread)))))
3826 (defun gnus-thread-total-score-1 (root)
3827 ;; This function find the total score of the thread below ROOT.
3828 (setq root (car root))
3829 (apply gnus-thread-score-function
3831 (mapcar 'gnus-thread-total-score
3832 (cdr (gnus-id-to-thread (mail-header-id root))))
3833 (when (> (mail-header-number root) 0)
3834 (list (or (cdr (assq (mail-header-number root)
3835 gnus-newsgroup-scored))
3836 gnus-summary-default-score 0))))
3837 (list gnus-summary-default-score)
3840 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3841 (defvar gnus-tmp-prev-subject nil)
3842 (defvar gnus-tmp-false-parent nil)
3843 (defvar gnus-tmp-root-expunged nil)
3844 (defvar gnus-tmp-dummy-line nil)
3846 (defvar gnus-tmp-header)
3847 (defun gnus-extra-header (type &optional header)
3848 "Return the extra header of TYPE."
3849 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3852 (defun gnus-summary-prepare-threads (threads)
3853 "Prepare summary buffer from THREADS and indentation LEVEL.
3854 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3855 or a straight list of headers."
3856 (gnus-message 7 "Generating summary...")
3858 (setq gnus-newsgroup-threads threads)
3861 (let ((gnus-tmp-level 0)
3862 (default-score (or gnus-summary-default-score 0))
3863 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3864 thread number subject stack state gnus-tmp-gathered beg-match
3865 new-roots gnus-tmp-new-adopts thread-end
3866 gnus-tmp-header gnus-tmp-unread
3867 gnus-tmp-replied gnus-tmp-subject-or-nil
3868 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3869 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3870 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3872 (setq gnus-tmp-prev-subject nil)
3874 (if (vectorp (car threads))
3875 ;; If this is a straight (sic) list of headers, then a
3876 ;; threaded summary display isn't required, so we just create
3877 ;; an unthreaded one.
3878 (gnus-summary-prepare-unthreaded threads)
3880 ;; Do the threaded display.
3882 (while (or threads stack gnus-tmp-new-adopts new-roots)
3884 (if (and (= gnus-tmp-level 0)
3887 (not gnus-tmp-false-parent)
3888 (or gnus-tmp-new-adopts new-roots))
3889 (if gnus-tmp-new-adopts
3890 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3891 thread (list (car gnus-tmp-new-adopts))
3892 gnus-tmp-header (caar thread)
3893 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3895 (setq thread (list (car new-roots))
3896 gnus-tmp-header (caar thread)
3897 new-roots (cdr new-roots))))
3900 ;; If there are some threads, we do them before the
3901 ;; threads on the stack.
3902 (setq thread threads
3903 gnus-tmp-header (caar thread))
3904 ;; There were no current threads, so we pop something off
3906 (setq state (car stack)
3907 gnus-tmp-level (car state)
3910 gnus-tmp-header (caar thread))))
3912 (setq gnus-tmp-false-parent nil)
3913 (setq gnus-tmp-root-expunged nil)
3914 (setq thread-end nil)
3916 (if (stringp gnus-tmp-header)
3917 ;; The header is a dummy root.
3919 ((eq gnus-summary-make-false-root 'adopt)
3920 ;; We let the first article adopt the rest.
3921 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3923 (setq gnus-tmp-gathered
3925 (lambda (h) (mail-header-number (car h)))
3928 (setq thread (cons (list (caar thread)
3931 (setq gnus-tmp-level -1
3932 gnus-tmp-false-parent t))
3933 ((eq gnus-summary-make-false-root 'empty)
3934 ;; We print adopted articles with empty subject fields.
3935 (setq gnus-tmp-gathered
3937 (lambda (h) (mail-header-number (car h)))
3940 (setq gnus-tmp-level -1))
3941 ((eq gnus-summary-make-false-root 'dummy)
3942 ;; We remember that we probably want to output a dummy
3944 (setq gnus-tmp-dummy-line gnus-tmp-header)
3945 (setq gnus-tmp-prev-subject gnus-tmp-header))
3947 ;; We do not make a root for the gathered
3948 ;; sub-threads at all.
3949 (setq gnus-tmp-level -1)))
3951 (setq number (mail-header-number gnus-tmp-header)
3952 subject (mail-header-subject gnus-tmp-header))
3955 ;; If the thread has changed subject, we might want to make
3956 ;; this subthread into a root.
3957 ((and (null gnus-thread-ignore-subject)
3958 (not (zerop gnus-tmp-level))
3959 gnus-tmp-prev-subject
3961 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3962 (setq new-roots (nconc new-roots (list (car thread)))
3964 gnus-tmp-header nil))
3965 ;; If the article lies outside the current limit,
3966 ;; then we do not display it.
3967 ((not (memq number gnus-newsgroup-limit))
3968 (setq gnus-tmp-gathered
3970 (lambda (h) (mail-header-number (car h)))
3973 (setq gnus-tmp-new-adopts (if (cdar thread)
3974 (append gnus-tmp-new-adopts
3976 gnus-tmp-new-adopts)
3978 gnus-tmp-header nil)
3979 (when (zerop gnus-tmp-level)
3980 (setq gnus-tmp-root-expunged t)))
3981 ;; Perhaps this article is to be marked as read?
3982 ((and gnus-summary-mark-below
3983 (< (or (cdr (assq number gnus-newsgroup-scored))
3985 gnus-summary-mark-below)
3986 ;; Don't touch sparse articles.
3987 (not (gnus-summary-article-sparse-p number))
3988 (not (gnus-summary-article-ancient-p number)))
3989 (setq gnus-newsgroup-unreads
3990 (delq number gnus-newsgroup-unreads))
3991 (if gnus-newsgroup-auto-expire
3992 (push number gnus-newsgroup-expirable)
3993 (push (cons number gnus-low-score-mark)
3994 gnus-newsgroup-reads))))
3996 (when gnus-tmp-header
3997 ;; We may have an old dummy line to output before this
3999 (when (and gnus-tmp-dummy-line
4002 (mail-header-subject gnus-tmp-header)))
4003 (gnus-summary-insert-dummy-line
4004 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4005 (setq gnus-tmp-dummy-line nil))
4007 ;; Compute the mark.
4008 (setq gnus-tmp-unread (gnus-article-mark number))
4010 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4011 gnus-tmp-header gnus-tmp-level)
4012 gnus-newsgroup-data)
4014 ;; Actually insert the line.
4016 gnus-tmp-subject-or-nil
4018 ((and gnus-thread-ignore-subject
4019 gnus-tmp-prev-subject
4020 (not (inline (gnus-subject-equal
4021 gnus-tmp-prev-subject subject))))
4023 ((zerop gnus-tmp-level)
4024 (if (and (eq gnus-summary-make-false-root 'empty)
4025 (memq number gnus-tmp-gathered)
4026 gnus-tmp-prev-subject
4027 (inline (gnus-subject-equal
4028 gnus-tmp-prev-subject subject)))
4029 gnus-summary-same-subject
4031 (t gnus-summary-same-subject)))
4032 (if (and (eq gnus-summary-make-false-root 'adopt)
4033 (= gnus-tmp-level 1)
4034 (memq number gnus-tmp-gathered))
4035 (setq gnus-tmp-opening-bracket ?\<
4036 gnus-tmp-closing-bracket ?\>)
4037 (setq gnus-tmp-opening-bracket ?\[
4038 gnus-tmp-closing-bracket ?\]))
4040 gnus-tmp-indentation
4041 (aref gnus-thread-indent-array gnus-tmp-level)
4042 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4043 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4044 gnus-summary-default-score 0)
4046 (if (or (null gnus-summary-default-score)
4047 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4048 gnus-summary-zcore-fuzz))
4050 (if (< gnus-tmp-score gnus-summary-default-score)
4051 gnus-score-below-mark gnus-score-over-mark))
4053 (cond ((memq number gnus-newsgroup-processable)
4055 ((memq number gnus-newsgroup-cached)
4057 ((memq number gnus-newsgroup-replied)
4059 ((memq number gnus-newsgroup-saved)
4061 (t gnus-unread-mark))
4062 gnus-tmp-from (mail-header-from gnus-tmp-header)
4065 ((string-match "<[^>]+> *$" gnus-tmp-from)
4066 (setq beg-match (match-beginning 0))
4067 (or (and (string-match "^\".+\"" gnus-tmp-from)
4068 (substring gnus-tmp-from 1 (1- (match-end 0))))
4069 (substring gnus-tmp-from 0 beg-match)))
4070 ((string-match "(.+)" gnus-tmp-from)
4071 (substring gnus-tmp-from
4072 (1+ (match-beginning 0)) (1- (match-end 0))))
4074 (when (string= gnus-tmp-name "")
4075 (setq gnus-tmp-name gnus-tmp-from))
4076 (unless (numberp gnus-tmp-lines)
4077 (setq gnus-tmp-lines 0))
4078 (gnus-put-text-property
4080 (progn (eval gnus-summary-line-format-spec) (point))
4081 'gnus-number number)
4084 (gnus-run-hooks 'gnus-summary-update-hook)
4087 (setq gnus-tmp-prev-subject subject)))
4089 (when (nth 1 thread)
4090 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
4091 (incf gnus-tmp-level)
4092 (setq threads (if thread-end nil (cdar thread)))
4094 (setq gnus-tmp-level 0)))))
4095 (gnus-message 7 "Generating summary...done"))
4097 (defun gnus-summary-prepare-unthreaded (headers)
4098 "Generate an unthreaded summary buffer based on HEADERS."
4099 (let (header number mark)
4104 ;; We may have to root out some bad articles...
4105 (when (memq (setq number (mail-header-number
4106 (setq header (pop headers))))
4107 gnus-newsgroup-limit)
4108 ;; Mark article as read when it has a low score.
4109 (when (and gnus-summary-mark-below
4110 (< (or (cdr (assq number gnus-newsgroup-scored))
4111 gnus-summary-default-score 0)
4112 gnus-summary-mark-below)
4113 (not (gnus-summary-article-ancient-p number)))
4114 (setq gnus-newsgroup-unreads
4115 (delq number gnus-newsgroup-unreads))
4116 (if gnus-newsgroup-auto-expire
4117 (push number gnus-newsgroup-expirable)
4118 (push (cons number gnus-low-score-mark)
4119 gnus-newsgroup-reads)))
4121 (setq mark (gnus-article-mark number))
4122 (push (gnus-data-make number mark (1+ (point)) header 0)
4123 gnus-newsgroup-data)
4124 (gnus-summary-insert-line
4126 mark (memq number gnus-newsgroup-replied)
4127 (memq number gnus-newsgroup-expirable)
4128 (mail-header-subject header) nil
4129 (cdr (assq number gnus-newsgroup-scored))
4130 (memq number gnus-newsgroup-processable))))))
4132 (defun gnus-summary-remove-list-identifiers ()
4133 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4134 (let ((regexp (if (stringp gnus-list-identifiers)
4135 gnus-list-identifiers
4136 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
4137 (dolist (header gnus-newsgroup-headers)
4138 (when (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
4139 " *\\)\\)+\\(Re: +\\)?\\)")
4140 (mail-header-subject header))
4141 (mail-header-set-subject
4142 header (concat (substring (mail-header-subject header)
4143 0 (match-beginning 1))
4145 (match-string 3 (mail-header-subject header))
4146 (match-string 5 (mail-header-subject header)))
4147 (substring (mail-header-subject header)
4148 (match-end 1))))))))
4150 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4151 "Select newsgroup GROUP.
4152 If READ-ALL is non-nil, all articles in the group are selected.
4153 If SELECT-ARTICLES, only select those articles from GROUP."
4154 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4155 ;;!!! Dirty hack; should be removed.
4156 (gnus-summary-ignore-duplicates
4157 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4159 gnus-summary-ignore-duplicates))
4160 (info (nth 2 entry))
4161 articles fetched-articles cached)
4163 (unless (gnus-check-server
4164 (setq gnus-current-select-method
4165 (gnus-find-method-for-group group)))
4166 (error "Couldn't open server"))
4168 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4169 (gnus-activate-group group) ; Or we can activate it...
4170 (progn ; Or we bug out.
4171 (when (equal major-mode 'gnus-summary-mode)
4172 (kill-buffer (current-buffer)))
4173 (error "Couldn't request group %s: %s"
4174 group (gnus-status-message group))))
4176 (unless (gnus-request-group group t)
4177 (when (equal major-mode 'gnus-summary-mode)
4178 (kill-buffer (current-buffer)))
4179 (error "Couldn't request group %s: %s"
4180 group (gnus-status-message group)))
4182 (setq gnus-newsgroup-name group)
4183 (setq gnus-newsgroup-unselected nil)
4184 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4185 (gnus-summary-setup-default-charset)
4187 ;; Adjust and set lists of article marks.
4189 (gnus-adjust-marked-articles info))
4191 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4193 (if (gnus-virtual-group-p group)
4194 gnus-newsgroup-cached
4195 (gnus-cache-articles-in-group group)))
4197 (setq gnus-newsgroup-unreads
4198 (gnus-set-difference
4199 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4200 gnus-newsgroup-dormant))
4202 (setq gnus-newsgroup-processable nil)
4204 (gnus-update-read-articles group gnus-newsgroup-unreads)
4206 (if (setq articles select-articles)
4207 (setq gnus-newsgroup-unselected
4208 (gnus-sorted-intersection
4209 gnus-newsgroup-unreads
4210 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4211 (setq articles (gnus-articles-to-read group read-all)))
4215 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4217 ((eq articles 0) nil)
4219 ;; Init the dependencies hash table.
4220 (setq gnus-newsgroup-dependencies
4221 (gnus-make-hashtable (length articles)))
4222 (gnus-set-global-variables)
4223 ;; Retrieve the headers and read them in.
4224 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4225 (setq gnus-newsgroup-headers
4226 (gnus-retrieve-parsed-headers
4227 articles gnus-newsgroup-name
4228 ;; We might want to fetch old headers, but
4229 ;; not if there is only 1 article.
4230 (and (or (and (not (eq gnus-fetch-old-headers 'some))
4231 (not (numberp gnus-fetch-old-headers)))
4232 (> (length articles) 1))
4233 gnus-fetch-old-headers)))
4234 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4236 ;; Suppress duplicates?
4237 (when gnus-suppress-duplicates
4238 (gnus-dup-suppress-articles))
4240 ;; Set the initial limit.
4241 (setq gnus-newsgroup-limit (copy-sequence articles))
4242 ;; Remove canceled articles from the list of unread articles.
4243 (setq gnus-newsgroup-unreads
4244 (gnus-set-sorted-intersection
4245 gnus-newsgroup-unreads
4246 (setq fetched-articles
4247 (mapcar (lambda (headers) (mail-header-number headers))
4248 gnus-newsgroup-headers))))
4249 ;; Removed marked articles that do not exist.
4250 (gnus-update-missing-marks
4251 (gnus-sorted-complement fetched-articles articles))
4253 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4255 (setq gnus-newsgroup-cached cached))
4257 ;; We might want to build some more threads first.
4258 (when (and gnus-fetch-old-headers
4259 (eq gnus-headers-retrieved-by 'nov))
4260 (if (eq gnus-fetch-old-headers 'invisible)
4261 (gnus-build-all-threads)
4262 (gnus-build-old-threads)))
4263 ;; Let the Gnus agent mark articles as read.
4265 (gnus-agent-get-undownloaded-list))
4266 ;; Remove list identifiers from subject
4267 (when gnus-list-identifiers
4268 (gnus-summary-remove-list-identifiers))
4269 ;; Check whether auto-expire is to be done in this group.
4270 (setq gnus-newsgroup-auto-expire
4271 (gnus-group-auto-expirable-p group))
4272 ;; Set up the article buffer now, if necessary.
4273 (unless gnus-single-article-buffer
4274 (gnus-article-setup-buffer))
4275 ;; First and last article in this newsgroup.
4276 (when gnus-newsgroup-headers
4277 (setq gnus-newsgroup-begin
4278 (mail-header-number (car gnus-newsgroup-headers))
4281 (gnus-last-element gnus-newsgroup-headers))))
4282 ;; GROUP is successfully selected.
4283 (or gnus-newsgroup-headers t)))))
4285 (defun gnus-articles-to-read (group &optional read-all)
4286 "Find out what articles the user wants to read."
4288 ;; Select all articles if `read-all' is non-nil, or if there
4289 ;; are no unread articles.
4291 (and (zerop (length gnus-newsgroup-marked))
4292 (zerop (length gnus-newsgroup-unreads)))
4293 (eq (gnus-group-find-parameter group 'display)
4296 (gnus-uncompress-range (gnus-active group))
4297 (gnus-cache-articles-in-group group))
4298 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4299 (copy-sequence gnus-newsgroup-unreads))
4301 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4302 (scored (length scored-list))
4303 (number (length articles))
4304 (marked (+ (length gnus-newsgroup-marked)
4305 (length gnus-newsgroup-dormant)))
4313 ((and (or (<= scored marked) (= scored number))
4314 (natnump gnus-large-newsgroup)
4315 (> number gnus-large-newsgroup))
4316 (let* ((cursor-in-echo-area nil)
4317 (input (read-from-minibuffer
4319 "How many articles from %s (max %d): "
4320 (gnus-limit-string gnus-newsgroup-name 35)
4322 (cons (number-to-string gnus-large-newsgroup)
4324 (if (string-match "^[ \t]*$" input)
4327 ((and (> scored marked) (< scored number)
4328 (> (- scored number) 20))
4331 (format "%s %s (%d scored, %d total): "
4332 "How many articles from"
4333 group scored number))))
4334 (if (string-match "^[ \t]*$" input)
4338 (message "Quit getting the articles to read")
4340 (setq select (if (stringp select) (string-to-number select) select))
4341 (if (or (null select) (zerop select))
4343 (if (and (not (zerop scored)) (<= (abs select) scored))
4345 (setq articles (sort scored-list '<))
4346 (setq number (length articles)))
4347 (setq articles (copy-sequence articles)))
4349 (when (< (abs select) number)
4351 ;; Select the N oldest articles.
4352 (setcdr (nthcdr (1- (abs select)) articles) nil)
4353 ;; Select the N most recent articles.
4354 (setq articles (nthcdr (- number select) articles))))
4355 (setq gnus-newsgroup-unselected
4356 (gnus-sorted-intersection
4357 gnus-newsgroup-unreads
4358 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4359 (when gnus-alter-articles-to-read-function
4360 (setq gnus-newsgroup-unreads
4362 (funcall gnus-alter-articles-to-read-function
4363 gnus-newsgroup-name gnus-newsgroup-unreads)
4367 (defun gnus-killed-articles (killed articles)
4370 (when (inline (gnus-member-of-range (car articles) killed))
4371 (push (car articles) out))
4372 (setq articles (cdr articles)))
4375 (defun gnus-uncompress-marks (marks)
4376 "Uncompress the mark ranges in MARKS."
4377 (let ((uncompressed '(score bookmark))
4380 (if (memq (caar marks) uncompressed)
4381 (push (car marks) out)
4382 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4383 (setq marks (cdr marks)))
4386 (defun gnus-adjust-marked-articles (info)
4387 "Set all article lists and remove all marks that are no longer valid."
4388 (let* ((marked-lists (gnus-info-marks info))
4389 (active (gnus-active (gnus-info-group info)))
4392 (types gnus-article-mark-lists)
4393 (uncompressed '(score bookmark killed))
4394 marks var articles article mark)
4397 (setq marks (pop marked-lists))
4398 (set (setq var (intern (format "gnus-newsgroup-%s"
4399 (car (rassq (setq mark (car marks))
4401 (if (memq (car marks) uncompressed) (cdr marks)
4402 (gnus-uncompress-range (cdr marks))))
4404 (setq articles (symbol-value var))
4406 ;; All articles have to be subsets of the active articles.
4408 ;; Adjust "simple" lists.
4409 ((memq mark '(tick dormant expire reply save))
4411 (when (or (< (setq article (pop articles)) min) (> article max))
4412 (set var (delq article (symbol-value var))))))
4414 ((memq mark uncompressed)
4415 (when (not (listp (cdr (symbol-value var))))
4416 (set var (list (symbol-value var))))
4417 (when (not (listp (cdr articles)))
4418 (setq articles (list articles)))
4420 (when (or (not (consp (setq article (pop articles))))
4421 (< (car article) min)
4422 (> (car article) max))
4423 (set var (delq article (symbol-value var))))))))))
4425 (defun gnus-update-missing-marks (missing)
4426 "Go through the list of MISSING articles and remove them from the mark lists."
4428 (let ((types gnus-article-mark-lists)
4430 ;; Go through all types.
4432 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4433 (when (symbol-value var)
4434 ;; This list has articles. So we delete all missing articles
4438 (set var (delq (pop m) (symbol-value var)))))))))
4440 (defun gnus-update-marks ()
4441 "Enter the various lists of marked articles into the newsgroup info list."
4442 (let ((types gnus-article-mark-lists)
4443 (info (gnus-get-info gnus-newsgroup-name))
4444 (uncompressed '(score bookmark killed))
4445 type list newmarked symbol delta-marks)
4447 ;; Add all marks lists to the list of marks lists.
4448 (while (setq type (pop types))
4449 (setq list (symbol-value
4451 (intern (format "gnus-newsgroup-%s"
4455 ;; Get rid of the entries of the articles that have the
4457 (when (and (eq (cdr type) 'score)
4461 (prev (cons nil list))
4464 (if (or (not (consp (car arts)))
4465 (= (cdar arts) gnus-summary-default-score))
4466 (setcdr prev (cdr arts))
4468 (setq arts (cdr arts)))
4469 (setq list (cdr all)))))
4471 (unless (memq (cdr type) uncompressed)
4472 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4474 (when (gnus-check-backend-function
4475 'request-set-mark gnus-newsgroup-name)
4476 ;; propagate flags to server, with the following exceptions:
4477 ;; uncompressed:s are not proper flags (they are cons cells)
4478 ;; cache is a internal gnus flag
4479 ;; download are local to one gnus installation (well)
4480 ;; unsend are for nndraft groups only
4481 ;; xxx: generality of this? this suits nnimap anyway
4482 (unless (memq (cdr type) (append '(cache download unsend)
4484 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4485 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4486 (add (gnus-remove-from-range
4487 (gnus-copy-sequence list) old)))
4489 (push (list add 'add (list (cdr type))) delta-marks))
4491 (push (list del 'del (list (cdr type))) delta-marks)))))
4494 (push (cons (cdr type) list) newmarked)))
4497 (unless (gnus-check-group gnus-newsgroup-name)
4498 (error "Can't open server for %s" gnus-newsgroup-name))
4499 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4501 ;; Enter these new marks into the info of the group.
4503 (setcar (nthcdr 3 info) newmarked)
4504 ;; Add the marks lists to the end of the info.
4506 (setcdr (nthcdr 2 info) (list newmarked))))
4508 ;; Cut off the end of the info if there's nothing else there.
4512 (when (nthcdr (decf i) info)
4513 (setcdr (nthcdr i info) nil)))))))
4515 (defun gnus-set-mode-line (where)
4516 "Set the mode line of the article or summary buffers.
4517 If WHERE is `summary', the summary mode line format will be used."
4518 ;; Is this mode line one we keep updated?
4519 (when (and (memq where gnus-updated-mode-lines)
4521 (intern (format "gnus-%s-mode-line-format-spec" where))))
4524 ;; We evaluate this in the summary buffer since these
4525 ;; variables are buffer-local to that buffer.
4526 (set-buffer gnus-summary-buffer)
4527 ;; We bind all these variables that are used in the `eval' form
4529 (let* ((mformat (symbol-value
4531 (format "gnus-%s-mode-line-format-spec" where))))
4532 (gnus-tmp-group-name (gnus-group-name-decode
4534 (gnus-group-name-charset
4536 gnus-newsgroup-name)))
4537 (gnus-tmp-article-number (or gnus-current-article 0))
4538 (gnus-tmp-unread gnus-newsgroup-unreads)
4539 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4540 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4541 (gnus-tmp-unread-and-unselected
4542 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4543 (zerop gnus-tmp-unselected))
4545 ((zerop gnus-tmp-unselected)
4546 (format "{%d more}" gnus-tmp-unread-and-unticked))
4547 (t (format "{%d(+%d) more}"
4548 gnus-tmp-unread-and-unticked
4549 gnus-tmp-unselected))))
4551 (if (and gnus-current-headers
4552 (vectorp gnus-current-headers))
4553 (gnus-mode-string-quote
4554 (mail-header-subject gnus-current-headers))
4556 bufname-length max-len
4557 gnus-tmp-header);; passed as argument to any user-format-funcs
4558 (setq mode-string (eval mformat))
4559 (setq bufname-length (if (string-match "%b" mode-string)
4562 (if (eq where 'summary)
4564 (get-buffer gnus-article-buffer))))
4567 (setq max-len (max 4 (if gnus-mode-non-string-length
4569 gnus-mode-non-string-length
4571 (length mode-string))))
4572 ;; We might have to chop a bit of the string off...
4573 (when (> (length mode-string) max-len)
4575 (concat (gnus-truncate-string mode-string (- max-len 3))
4577 ;; Pad the mode string a bit.
4578 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4579 ;; Update the mode line.
4580 (setq mode-line-buffer-identification
4581 (gnus-mode-line-buffer-identification (list mode-string)))
4582 (set-buffer-modified-p t))))
4584 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4585 "Go through the HEADERS list and add all Xrefs to a hash table.
4586 The resulting hash table is returned, or nil if no Xrefs were found."
4587 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4588 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4589 (xref-hashtb (gnus-make-hashtable))
4590 start group entry number xrefs header)
4592 (setq header (pop headers))
4593 (when (and (setq xrefs (mail-header-xref header))
4594 (not (memq (setq number (mail-header-number header))
4597 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4598 (setq start (match-end 0))
4599 (setq group (if prefix
4600 (concat prefix (substring xrefs (match-beginning 1)
4602 (substring xrefs (match-beginning 1) (match-end 1))))
4604 (string-to-int (substring xrefs (match-beginning 2)
4606 (if (setq entry (gnus-gethash group xref-hashtb))
4607 (setcdr entry (cons number (cdr entry)))
4608 (gnus-sethash group (cons number nil) xref-hashtb)))))
4609 (and start xref-hashtb)))
4611 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4612 "Look through all the headers and mark the Xrefs as read."
4613 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4614 name entry info xref-hashtb idlist method nth4)
4616 (set-buffer gnus-group-buffer)
4617 (when (setq xref-hashtb
4618 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4621 (unless (string= from-newsgroup (setq name (symbol-name group)))
4622 (setq idlist (symbol-value group))
4623 ;; Dead groups are not updated.
4625 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4627 (when (stringp (setq nth4 (gnus-info-method info)))
4628 (setq nth4 (gnus-server-to-method nth4))))
4629 ;; Only do the xrefs if the group has the same
4630 ;; select method as the group we have just read.
4631 (or (gnus-methods-equal-p
4632 nth4 (gnus-find-method-for-group from-newsgroup))
4634 (equal nth4 (setq method (gnus-find-method-for-group
4636 (and (equal (car nth4) (car method))
4637 (equal (nth 1 nth4) (nth 1 method))))
4638 gnus-use-cross-reference
4639 (or (not (eq gnus-use-cross-reference t))
4641 ;; Only do cross-references on subscribed
4642 ;; groups, if that is what is wanted.
4643 (<= (gnus-info-level info) gnus-level-subscribed))
4644 (gnus-group-make-articles-read name idlist))))
4647 (defun gnus-compute-read-articles (group articles)
4648 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4649 (info (nth 2 entry))
4650 (active (gnus-active group))
4653 ;; First peel off all invalid article numbers.
4655 (let ((ids articles)
4657 (while (setq id (pop ids))
4658 (when (and first (> id (cdr active)))
4659 ;; We'll end up in this situation in one particular
4660 ;; obscure situation. If you re-scan a group and get
4661 ;; a new article that is cross-posted to a different
4662 ;; group that has not been re-scanned, you might get
4663 ;; crossposted article that has a higher number than
4664 ;; Gnus believes possible. So we re-activate this
4665 ;; group as well. This might mean doing the
4666 ;; crossposting thingy will *increase* the number
4667 ;; of articles in some groups. Tsk, tsk.
4668 (setq active (or (gnus-activate-group group) active)))
4669 (when (or (> id (cdr active))
4670 (< id (car active)))
4671 (setq articles (delq id articles))))))
4672 ;; If the read list is nil, we init it.
4674 (null (gnus-info-read info))
4676 (setq ninfo (cons 1 (1- (car active))))
4677 (setq ninfo (gnus-info-read info)))
4678 ;; Then we add the read articles to the range.
4680 ninfo (setq articles (sort articles '<))))))
4682 (defun gnus-group-make-articles-read (group articles)
4683 "Update the info of GROUP to say that ARTICLES are read."
4685 (entry (gnus-gethash group gnus-newsrc-hashtb))
4686 (info (nth 2 entry))
4687 (active (gnus-active group))
4690 (setq range (gnus-compute-read-articles group articles))
4692 (set-buffer gnus-group-buffer)
4695 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4696 (gnus-info-set-read ',info ',(gnus-info-read info))
4697 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4698 (gnus-group-update-group ,group t))))
4699 ;; Add the read articles to the range.
4700 (gnus-info-set-read info range)
4701 ;; Then we have to re-compute how many unread
4702 ;; articles there are in this group.
4706 (setq num (- (1+ (cdr active)) (car active))))
4707 ((not (listp (cdr range)))
4708 (setq num (- (cdr active) (- (1+ (cdr range))
4712 (if (numberp (car range))
4714 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4715 (setq range (cdr range)))
4716 (setq num (- (cdr active) num))))
4717 ;; Update the number of unread articles.
4719 ;; Update the group buffer.
4720 (gnus-group-update-group group t)))))
4722 (defvar gnus-newsgroup-none-id 0)
4724 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4725 (let ((cur nntp-server-buffer)
4728 (save-excursion (set-buffer gnus-summary-buffer)
4729 gnus-newsgroup-dependencies)))
4731 (mail-parse-charset gnus-newsgroup-charset)
4732 (mail-parse-ignored-charsets
4733 (save-excursion (condition-case nil
4734 (set-buffer gnus-summary-buffer)
4736 gnus-newsgroup-ignored-charsets)))
4738 (set-buffer nntp-server-buffer)
4739 ;; Translate all TAB characters into SPACE characters.
4740 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4741 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4742 (gnus-run-hooks 'gnus-parse-headers-hook)
4743 (let ((case-fold-search t)
4744 in-reply-to header p lines chars ctype)
4745 (goto-char (point-min))
4746 ;; Search to the beginning of the next header. Error messages
4747 ;; do not begin with 2 or 3.
4748 (while (re-search-forward "^[23][0-9]+ " nil t)
4751 ;; This implementation of this function, with nine
4752 ;; search-forwards instead of the one re-search-forward and
4753 ;; a case (which basically was the old function) is actually
4754 ;; about twice as fast, even though it looks messier. You
4755 ;; can't have everything, I guess. Speed and elegance
4756 ;; doesn't always go hand in hand.
4759 (make-full-mail-header
4765 (narrow-to-region (point)
4766 (or (and (search-forward "\n.\n" nil t)
4772 (if (search-forward "\nsubject: " nil t)
4773 (nnheader-header-value)
4778 (if (or (search-forward "\nfrom: " nil t)
4779 (search-forward "\nfrom:" nil t))
4780 (nnheader-header-value)
4785 (if (search-forward "\ndate: " nil t)
4786 (nnheader-header-value)
4791 (setq id (if (re-search-forward
4792 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4793 ;; We do it this way to make sure the Message-ID
4794 ;; is (somewhat) syntactically valid.
4795 (buffer-substring (match-beginning 1)
4797 ;; If there was no message-id, we just fake one
4798 ;; to make subsequent routines simpler.
4799 (nnheader-generate-fake-message-id))))
4803 (if (search-forward "\nreferences: " nil t)
4807 (nnheader-header-value)
4812 (search-backward ">" end t)
4815 (search-backward "<" end t)
4817 ;; Get the references from the in-reply-to header if there
4818 ;; were no references and the in-reply-to header looks
4820 (if (and (search-forward "\nin-reply-to: " nil t)
4821 (setq in-reply-to (nnheader-header-value))
4822 (string-match "<[^>]+>" in-reply-to))
4824 (setq ref (substring in-reply-to (match-beginning 0)
4826 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4827 (setq ref2 (substring in-reply-to (match-beginning 0)
4829 (when (> (length ref2) (length ref))
4836 (if (search-forward "\nchars: " nil t)
4837 (if (numberp (setq chars (ignore-errors (read cur))))
4843 (if (search-forward "\nlines: " nil t)
4844 (if (numberp (setq lines (ignore-errors (read cur))))
4850 (and (search-forward "\nxref: " nil t)
4851 (nnheader-header-value)))
4853 (when gnus-extra-headers
4854 (let ((extra gnus-extra-headers)
4858 (when (search-forward
4859 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4860 (push (cons (car extra) (nnheader-header-value)) out))
4864 (if (and (search-forward "\ncontent-type: " nil t)
4865 (setq ctype (nnheader-header-value)))
4866 (mime-entity-set-content-type-internal
4867 header (mime-parse-Content-Type ctype)))
4868 (when (equal id ref)
4871 (when gnus-alter-header-function
4872 (funcall gnus-alter-header-function header)
4873 (setq id (mail-header-id header)
4874 ref (gnus-parent-id (mail-header-references header))))
4877 (gnus-dependencies-add-header
4878 header dependencies force-new))
4879 (push header headers))
4880 (goto-char (point-max))
4882 (nreverse headers)))))
4884 ;; Goes through the xover lines and returns a list of vectors
4885 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4886 force-new dependencies
4887 group also-fetch-heads)
4888 "Parse the news overview data in the server buffer.
4889 Return a list of headers that match SEQUENCE (see
4890 `nntp-retrieve-headers')."
4891 ;; Get the Xref when the users reads the articles since most/some
4892 ;; NNTP servers do not include Xrefs when using XOVER.
4893 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4894 (let ((mail-parse-charset gnus-newsgroup-charset)
4895 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
4896 (cur nntp-server-buffer)
4897 (dependencies (or dependencies gnus-newsgroup-dependencies))
4898 number headers header)
4900 (set-buffer nntp-server-buffer)
4901 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4902 ;; Allow the user to mangle the headers before parsing them.
4903 (gnus-run-hooks 'gnus-parse-headers-hook)
4904 (goto-char (point-min))
4907 (while (and sequence (not (eobp)))
4908 (setq number (read cur))
4909 (while (and sequence
4910 (< (car sequence) number))
4911 (setq sequence (cdr sequence)))
4913 (eq number (car sequence))
4915 (setq sequence (cdr sequence))
4916 (setq header (inline
4917 (gnus-nov-parse-line
4918 number dependencies force-new))))
4919 (push header headers))
4922 (gnus-error 4 "Strange nov line (%d)"
4923 (count-lines (point-min) (point)))))
4925 ;; A common bug in inn is that if you have posted an article and
4926 ;; then retrieves the active file, it will answer correctly --
4927 ;; the new article is included. However, a NOV entry for the
4928 ;; article may not have been generated yet, so this may fail.
4929 ;; We work around this problem by retrieving the last few
4930 ;; headers using HEAD.
4931 (if (or (not also-fetch-heads)
4933 ;; We (probably) got all the headers.
4935 (let ((gnus-nov-is-evil t))
4938 (gnus-retrieve-parsed-headers sequence group)
4941 (defun gnus-article-get-xrefs ()
4942 "Fill in the Xref value in `gnus-current-headers', if necessary.
4943 This is meant to be called in `gnus-article-internal-prepare-hook'."
4944 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4945 gnus-current-headers)))
4946 (or (not gnus-use-cross-reference)
4948 (and (mail-header-xref headers)
4949 (not (string= (mail-header-xref headers) "")))
4950 (let ((case-fold-search t)
4953 (nnheader-narrow-to-headers)
4954 (goto-char (point-min))
4955 (when (or (and (not (eobp))
4956 (eq (downcase (char-after)) ?x)
4957 (looking-at "Xref:"))
4958 (search-forward "\nXref:" nil t))
4959 (goto-char (1+ (match-end 0)))
4960 (setq xref (buffer-substring (point)
4961 (progn (end-of-line) (point))))
4962 (mail-header-set-xref headers xref)))))))
4964 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4965 "Find article ID and insert the summary line for that article.
4966 OLD-HEADER can either be a header or a line number to insert
4967 the subject line on."
4968 (let* ((line (and (numberp old-header) old-header))
4969 (old-header (and (vectorp old-header) old-header))
4970 (header (cond ((and old-header use-old-header)
4973 (gnus-number-to-header id))
4974 (gnus-number-to-header id))
4976 (gnus-read-header id))))
4977 (number (and (numberp id) id))
4980 ;; Rebuild the thread that this article is part of and go to the
4981 ;; article we have fetched.
4982 (when (and (not gnus-show-threads)
4985 (setq d (gnus-data-find (mail-header-number old-header))))
4986 (goto-char (gnus-data-pos d))
4989 (- (gnus-point-at-bol)
4991 (1+ (gnus-point-at-eol))
4992 (gnus-delete-line))))))
4994 (mail-header-set-number header (mail-header-number old-header)))
4995 (setq gnus-newsgroup-sparse
4996 (delq (setq number (mail-header-number header))
4997 gnus-newsgroup-sparse))
4998 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4999 (push number gnus-newsgroup-limit)
5000 (gnus-rebuild-thread (mail-header-id header) line)
5001 (gnus-summary-goto-subject number nil t))
5002 (when (and (numberp number)
5004 ;; We have to update the boundaries even if we can't fetch the
5005 ;; article if ID is a number -- so that the next `P' or `N'
5006 ;; command will fetch the previous (or next) article even
5007 ;; if the one we tried to fetch this time has been canceled.
5008 (when (> number gnus-newsgroup-end)
5009 (setq gnus-newsgroup-end number))
5010 (when (< number gnus-newsgroup-begin)
5011 (setq gnus-newsgroup-begin number))
5012 (setq gnus-newsgroup-unselected
5013 (delq number gnus-newsgroup-unselected)))
5014 ;; Report back a success?
5015 (and header (mail-header-number header))))
5017 ;;; Process/prefix in the summary buffer
5019 (defun gnus-summary-work-articles (n)
5020 "Return a list of articles to be worked upon.
5021 The prefix argument, the list of process marked articles, and the
5022 current article will be taken into consideration."
5024 (set-buffer gnus-summary-buffer)
5027 ;; A numerical prefix has been given.
5028 (setq n (prefix-numeric-value n))
5029 (let ((backward (< n 0))
5030 (n (abs (prefix-numeric-value n)))
5035 (push (setq article (gnus-summary-article-number))
5038 (gnus-summary-find-prev nil article)
5039 (gnus-summary-find-next nil article)))
5041 (nreverse articles)))
5042 ((and (gnus-region-active-p) (mark))
5043 (message "region active")
5044 ;; Work on the region between point and mark.
5045 (let ((max (max (point) (mark)))
5048 (goto-char (min (point) (mark)))
5051 (push (setq article (gnus-summary-article-number)) articles)
5052 (gnus-summary-find-next nil article)
5054 (nreverse articles))))
5055 (gnus-newsgroup-processable
5056 ;; There are process-marked articles present.
5057 ;; Save current state.
5058 (gnus-summary-save-process-mark)
5060 (reverse gnus-newsgroup-processable))
5062 ;; Just return the current article.
5063 (list (gnus-summary-article-number))))))
5065 (defmacro gnus-summary-iterate (arg &rest forms)
5066 "Iterate over the process/prefixed articles and do FORMS.
5067 ARG is the interactive prefix given to the command. FORMS will be
5068 executed with point over the summary line of the articles."
5069 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5070 `(let ((,articles (gnus-summary-work-articles ,arg)))
5072 (gnus-summary-goto-subject (car ,articles))
5076 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5077 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5079 (defun gnus-summary-save-process-mark ()
5080 "Push the current set of process marked articles on the stack."
5082 (push (copy-sequence gnus-newsgroup-processable)
5083 gnus-newsgroup-process-stack))
5085 (defun gnus-summary-kill-process-mark ()
5086 "Push the current set of process marked articles on the stack and unmark."
5088 (gnus-summary-save-process-mark)
5089 (gnus-summary-unmark-all-processable))
5091 (defun gnus-summary-yank-process-mark ()
5092 "Pop the last process mark state off the stack and restore it."
5094 (unless gnus-newsgroup-process-stack
5095 (error "Empty mark stack"))
5096 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5098 (defun gnus-summary-process-mark-set (set)
5099 "Make SET into the current process marked articles."
5100 (gnus-summary-unmark-all-processable)
5102 (gnus-summary-set-process-mark (pop set))))
5104 ;;; Searching and stuff
5106 (defun gnus-summary-search-group (&optional backward use-level)
5107 "Search for next unread newsgroup.
5108 If optional argument BACKWARD is non-nil, search backward instead."
5110 (set-buffer gnus-group-buffer)
5111 (when (gnus-group-search-forward
5112 backward nil (if use-level (gnus-group-group-level) nil))
5113 (gnus-group-group-name))))
5115 (defun gnus-summary-best-group (&optional exclude-group)
5116 "Find the name of the best unread group.
5117 If EXCLUDE-GROUP, do not go to this group."
5119 (set-buffer gnus-group-buffer)
5121 (gnus-group-best-unread-group exclude-group))))
5123 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5124 (if backward (gnus-summary-find-prev)
5125 (let* ((dummy (gnus-summary-article-intangible-p))
5126 (article (or article (gnus-summary-article-number)))
5127 (arts (gnus-data-find-list article))
5129 (when (and (not dummy)
5130 (or (not gnus-summary-check-current)
5132 (not (gnus-data-unread-p (car arts)))))
5133 (setq arts (cdr arts)))
5138 (when (or (and undownloaded
5139 (eq gnus-undownloaded-mark
5140 (gnus-data-mark (car arts))))
5141 (gnus-data-unread-p (car arts)))
5142 (setq result (car arts)
5144 (setq arts (cdr arts)))
5147 (goto-char (gnus-data-pos result))
5148 (gnus-data-number result)))))
5150 (defun gnus-summary-find-prev (&optional unread article)
5151 (let* ((eobp (eobp))
5152 (article (or article (gnus-summary-article-number)))
5153 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5155 (when (and (not eobp)
5156 (or (not gnus-summary-check-current)
5158 (not (gnus-data-unread-p (car arts)))))
5159 (setq arts (cdr arts)))
5164 (when (gnus-data-unread-p (car arts))
5165 (setq result (car arts)
5167 (setq arts (cdr arts)))
5170 (goto-char (gnus-data-pos result))
5171 (gnus-data-number result))))
5173 (defun gnus-summary-find-subject (subject &optional unread backward article)
5174 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5175 (article (or article (gnus-summary-article-number)))
5176 (articles (gnus-data-list backward))
5177 (arts (gnus-data-find-list article articles))
5179 (when (or (not gnus-summary-check-current)
5181 (not (gnus-data-unread-p (car arts))))
5182 (setq arts (cdr arts)))
5184 (and (or (not unread)
5185 (gnus-data-unread-p (car arts)))
5186 (vectorp (gnus-data-header (car arts)))
5188 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5189 (setq result (car arts)
5191 (setq arts (cdr arts)))
5193 (goto-char (gnus-data-pos result))
5194 (gnus-data-number result))))
5196 (defun gnus-summary-search-forward (&optional unread subject backward)
5197 "Search forward for an article.
5198 If UNREAD, look for unread articles. If SUBJECT, look for
5199 articles with that subject. If BACKWARD, search backward instead."
5200 (cond (subject (gnus-summary-find-subject subject unread backward))
5201 (backward (gnus-summary-find-prev unread))
5202 (t (gnus-summary-find-next unread))))
5204 (defun gnus-recenter (&optional n)
5205 "Center point in window and redisplay frame.
5206 Also do horizontal recentering."
5208 (when (and gnus-auto-center-summary
5209 (not (eq gnus-auto-center-summary 'vertical)))
5210 (gnus-horizontal-recenter))
5213 (defun gnus-summary-recenter ()
5214 "Center point in the summary window.
5215 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5216 displayed, no centering will be performed."
5217 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5218 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5220 (let* ((top (cond ((< (window-height) 4) 0)
5221 ((< (window-height) 7) 1)
5222 (t (if (numberp gnus-auto-center-summary)
5223 gnus-auto-center-summary
5225 (height (1- (window-height)))
5226 (bottom (save-excursion (goto-char (point-max))
5227 (forward-line (- height))
5229 (window (get-buffer-window (current-buffer))))
5230 ;; The user has to want it.
5231 (when gnus-auto-center-summary
5232 (when (get-buffer-window gnus-article-buffer)
5233 ;; Only do recentering when the article buffer is displayed,
5234 ;; Set the window start to either `bottom', which is the biggest
5235 ;; possible valid number, or the second line from the top,
5236 ;; whichever is the least.
5238 window (min bottom (save-excursion
5239 (forward-line (- top)) (point)))
5241 ;; Do horizontal recentering while we're at it.
5242 (when (and (get-buffer-window (current-buffer) t)
5243 (not (eq gnus-auto-center-summary 'vertical)))
5244 (let ((selected (selected-window)))
5245 (select-window (get-buffer-window (current-buffer) t))
5246 (gnus-summary-position-point)
5247 (gnus-horizontal-recenter)
5248 (select-window selected))))))
5250 (defun gnus-summary-jump-to-group (newsgroup)
5251 "Move point to NEWSGROUP in group mode buffer."
5252 ;; Keep update point of group mode buffer if visible.
5253 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5254 (save-window-excursion
5255 ;; Take care of tree window mode.
5256 (when (get-buffer-window gnus-group-buffer)
5257 (pop-to-buffer gnus-group-buffer))
5258 (gnus-group-jump-to-group newsgroup))
5260 ;; Take care of tree window mode.
5261 (if (get-buffer-window gnus-group-buffer)
5262 (pop-to-buffer gnus-group-buffer)
5263 (set-buffer gnus-group-buffer))
5264 (gnus-group-jump-to-group newsgroup))))
5266 ;; This function returns a list of article numbers based on the
5267 ;; difference between the ranges of read articles in this group and
5268 ;; the range of active articles.
5269 (defun gnus-list-of-unread-articles (group)
5270 (let* ((read (gnus-info-read (gnus-get-info group)))
5271 (active (or (gnus-active group) (gnus-activate-group group)))
5274 ;; If none are read, then all are unread.
5276 (setq first (car active))
5277 ;; If the range of read articles is a single range, then the
5278 ;; first unread article is the article after the last read
5279 ;; article. Sounds logical, doesn't it?
5280 (if (and (not (listp (cdr read)))
5281 (or (< (car read) (car active))
5282 (progn (setq read (list read))
5284 (setq first (max (car active) (1+ (cdr read))))
5285 ;; `read' is a list of ranges.
5286 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5289 (setq first (car active)))
5292 (while (< first nlast)
5294 (setq first (1+ first))))
5295 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5296 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5297 (setq read (cdr read)))))
5298 ;; And add the last unread articles.
5299 (while (<= first last)
5301 (setq first (1+ first)))
5302 ;; Return the list of unread articles.
5303 (delq 0 (nreverse unread))))
5305 (defun gnus-list-of-read-articles (group)
5306 "Return a list of unread, unticked and non-dormant articles."
5307 (let* ((info (gnus-get-info group))
5308 (marked (gnus-info-marks info))
5309 (active (gnus-active group)))
5311 (gnus-set-difference
5312 (gnus-sorted-complement
5313 (gnus-uncompress-range active)
5314 (gnus-list-of-unread-articles group))
5316 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5317 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5319 ;; Various summary commands
5321 (defun gnus-summary-select-article-buffer ()
5322 "Reconfigure windows to show article buffer."
5324 (if (not (gnus-buffer-live-p gnus-article-buffer))
5325 (error "There is no article buffer for this summary buffer")
5326 (gnus-configure-windows 'article)
5327 (select-window (get-buffer-window gnus-article-buffer))))
5329 (defun gnus-summary-universal-argument (arg)
5330 "Perform any operation on all articles that are process/prefixed."
5332 (let ((articles (gnus-summary-work-articles arg))
5339 (substitute-command-keys
5340 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5342 (gnus-error 1 "Undefined key")
5345 (gnus-summary-goto-subject (setq article (pop articles)))
5346 (let (gnus-newsgroup-processable)
5347 (command-execute func))
5348 (gnus-summary-remove-process-mark article)))))
5349 (gnus-summary-position-point))
5351 (defun gnus-summary-toggle-truncation (&optional arg)
5352 "Toggle truncation of summary lines.
5353 With arg, turn line truncation on iff arg is positive."
5355 (setq truncate-lines
5356 (if (null arg) (not truncate-lines)
5357 (> (prefix-numeric-value arg) 0)))
5360 (defun gnus-summary-reselect-current-group (&optional all rescan)
5361 "Exit and then reselect the current newsgroup.
5362 The prefix argument ALL means to select all articles."
5364 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5365 (error "Ephemeral groups can't be reselected"))
5366 (let ((current-subject (gnus-summary-article-number))
5367 (group gnus-newsgroup-name))
5368 (setq gnus-newsgroup-begin nil)
5370 ;; We have to adjust the point of group mode buffer because
5371 ;; point was moved to the next unread newsgroup by exiting.
5372 (gnus-summary-jump-to-group group)
5375 (save-window-excursion
5376 ;; Don't show group contents.
5377 (set-window-start (selected-window) (point-max))
5378 (gnus-group-get-new-news-this-group 1))))
5379 (gnus-group-read-group all t)
5380 (gnus-summary-goto-subject current-subject nil t)))
5382 (defun gnus-summary-rescan-group (&optional all)
5383 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5385 (gnus-summary-reselect-current-group all t))
5387 (defun gnus-summary-update-info (&optional non-destructive)
5389 (let ((group gnus-newsgroup-name))
5391 (when gnus-newsgroup-kill-headers
5392 (setq gnus-newsgroup-killed
5393 (gnus-compress-sequence
5395 (gnus-set-sorted-intersection
5396 (gnus-uncompress-range gnus-newsgroup-killed)
5397 (setq gnus-newsgroup-unselected
5398 (sort gnus-newsgroup-unselected '<)))
5399 (setq gnus-newsgroup-unreads
5400 (sort gnus-newsgroup-unreads '<)))
5402 (unless (listp (cdr gnus-newsgroup-killed))
5403 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5404 (let ((headers gnus-newsgroup-headers))
5405 ;; Set the new ranges of read articles.
5407 (set-buffer gnus-group-buffer)
5408 (gnus-undo-force-boundary))
5409 (gnus-update-read-articles
5410 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5411 ;; Set the current article marks.
5412 (let ((gnus-newsgroup-scored
5413 (if (and (not gnus-save-score)
5414 (not non-destructive))
5416 gnus-newsgroup-scored)))
5418 (gnus-update-marks)))
5419 ;; Do the cross-ref thing.
5420 (when gnus-use-cross-reference
5421 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5422 ;; Do not switch windows but change the buffer to work.
5423 (set-buffer gnus-group-buffer)
5424 (unless (gnus-ephemeral-group-p group)
5425 (gnus-group-update-group group)))))))
5427 (defun gnus-summary-save-newsrc (&optional force)
5428 "Save the current number of read/marked articles in the dribble buffer.
5429 The dribble buffer will then be saved.
5430 If FORCE (the prefix), also save the .newsrc file(s)."
5432 (gnus-summary-update-info t)
5434 (gnus-save-newsrc-file)
5435 (gnus-dribble-save)))
5437 (defun gnus-summary-exit (&optional temporary)
5438 "Exit reading current newsgroup, and then return to group selection mode.
5439 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5441 (gnus-set-global-variables)
5442 (gnus-kill-save-kill-buffer)
5443 (gnus-async-halt-prefetch)
5444 (let* ((group gnus-newsgroup-name)
5445 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5448 (buf (current-buffer)))
5450 ;; Do adaptive scoring, and possibly save score files.
5451 (when gnus-newsgroup-adaptive
5452 (gnus-score-adaptive))
5453 (when gnus-use-scoring
5455 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5456 ;; If we have several article buffers, we kill them at exit.
5457 (unless gnus-single-article-buffer
5458 (gnus-kill-buffer gnus-original-article-buffer)
5459 (setq gnus-article-current nil))
5460 (when gnus-use-cache
5461 (gnus-cache-possibly-remove-articles)
5462 (gnus-cache-save-buffers))
5463 (gnus-async-prefetch-remove-group group)
5464 (when gnus-suppress-duplicates
5465 (gnus-dup-enter-articles))
5466 (when gnus-use-trees
5467 (gnus-tree-close group))
5468 (when gnus-use-cache
5469 (gnus-cache-write-active))
5470 ;; Remove entries for this group.
5471 (nnmail-purge-split-history (gnus-group-real-name group))
5472 ;; Make all changes in this group permanent.
5474 (gnus-run-hooks 'gnus-exit-group-hook)
5475 (gnus-summary-update-info))
5476 (gnus-close-group group)
5477 ;; Make sure where we were, and go to next newsgroup.
5478 (set-buffer gnus-group-buffer)
5480 (gnus-group-jump-to-group group))
5481 (gnus-run-hooks 'gnus-summary-exit-hook)
5482 (unless (or quit-config
5483 ;; If this group has disappeared from the summary
5484 ;; buffer, don't skip forwards.
5485 (not (string= group (gnus-group-group-name))))
5486 (gnus-group-next-unread-group 1))
5487 (setq group-point (point))
5490 ;; If we have several article buffers, we kill them at exit.
5491 (unless gnus-single-article-buffer
5492 (gnus-kill-buffer gnus-article-buffer)
5493 (gnus-kill-buffer gnus-original-article-buffer)
5494 (setq gnus-article-current nil))
5496 (if (not gnus-kill-summary-on-exit)
5497 (gnus-deaden-summary)
5498 ;; We set all buffer-local variables to nil. It is unclear why
5499 ;; this is needed, but if we don't, buffer-local variables are
5500 ;; not garbage-collected, it seems. This would the lead to en
5501 ;; ever-growing Emacs.
5502 (gnus-summary-clear-local-variables)
5503 (when (get-buffer gnus-article-buffer)
5504 (bury-buffer gnus-article-buffer))
5505 ;; We clear the global counterparts of the buffer-local
5506 ;; variables as well, just to be on the safe side.
5507 (set-buffer gnus-group-buffer)
5508 (gnus-summary-clear-local-variables)
5509 ;; Return to group mode buffer.
5510 (when (eq mode 'gnus-summary-mode)
5511 (gnus-kill-buffer buf)))
5512 (setq gnus-current-select-method gnus-select-method)
5513 (pop-to-buffer gnus-group-buffer)
5514 (if (not quit-config)
5516 (goto-char group-point)
5517 (gnus-configure-windows 'group 'force)
5518 (unless (pos-visible-in-window-p)
5519 (forward-line (/ (static-if (featurep 'xemacs)
5520 (window-displayed-height)
5521 (1- (window-height)))
5523 (set-window-start (selected-window) (point))
5524 (goto-char group-point)))
5525 (gnus-handle-ephemeral-exit quit-config))
5526 ;; Clear the current group name.
5528 (setq gnus-newsgroup-name nil)))))
5530 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5531 (defun gnus-summary-exit-no-update (&optional no-questions)
5532 "Quit reading current newsgroup without updating read article info."
5534 (let* ((group gnus-newsgroup-name)
5535 (quit-config (gnus-group-quit-config group)))
5536 (when (or no-questions
5538 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5539 (gnus-async-halt-prefetch)
5541 (delq 'gnus-summary-expire-articles
5542 (copy-sequence gnus-summary-prepare-exit-hook)))
5543 ;; If we have several article buffers, we kill them at exit.
5544 (unless gnus-single-article-buffer
5545 (gnus-kill-buffer gnus-article-buffer)
5546 (gnus-kill-buffer gnus-original-article-buffer)
5547 (setq gnus-article-current nil))
5548 (if (not gnus-kill-summary-on-exit)
5549 (gnus-deaden-summary)
5550 (gnus-close-group group)
5551 (gnus-summary-clear-local-variables)
5552 (set-buffer gnus-group-buffer)
5553 (gnus-summary-clear-local-variables)
5554 (when (get-buffer gnus-summary-buffer)
5555 (kill-buffer gnus-summary-buffer)))
5556 (unless gnus-single-article-buffer
5557 (setq gnus-article-current nil))
5558 (when gnus-use-trees
5559 (gnus-tree-close group))
5560 (gnus-async-prefetch-remove-group group)
5561 (when (get-buffer gnus-article-buffer)
5562 (bury-buffer gnus-article-buffer))
5563 ;; Return to the group buffer.
5564 (gnus-configure-windows 'group 'force)
5565 ;; Clear the current group name.
5566 (setq gnus-newsgroup-name nil)
5567 (when (equal (gnus-group-group-name) group)
5568 (gnus-group-next-unread-group 1))
5570 (gnus-handle-ephemeral-exit quit-config)))))
5572 (defun gnus-handle-ephemeral-exit (quit-config)
5573 "Handle movement when leaving an ephemeral group.
5574 The state which existed when entering the ephemeral is reset."
5575 (if (not (buffer-name (car quit-config)))
5576 (gnus-configure-windows 'group 'force)
5577 (set-buffer (car quit-config))
5578 (cond ((eq major-mode 'gnus-summary-mode)
5579 (gnus-set-global-variables))
5580 ((eq major-mode 'gnus-article-mode)
5582 ;; The `gnus-summary-buffer' variable may point
5583 ;; to the old summary buffer when using a single
5585 (unless (gnus-buffer-live-p gnus-summary-buffer)
5586 (set-buffer gnus-group-buffer))
5587 (set-buffer gnus-summary-buffer)
5588 (gnus-set-global-variables))))
5589 (if (or (eq (cdr quit-config) 'article)
5590 (eq (cdr quit-config) 'pick))
5592 ;; The current article may be from the ephemeral group
5593 ;; thus it is best that we reload this article
5594 (gnus-summary-show-article)
5595 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5596 (gnus-configure-windows 'pick 'force)
5597 (gnus-configure-windows (cdr quit-config) 'force)))
5598 (gnus-configure-windows (cdr quit-config) 'force))
5599 (when (eq major-mode 'gnus-summary-mode)
5600 (gnus-summary-next-subject 1 nil t)
5601 (gnus-summary-recenter)
5602 (gnus-summary-position-point))))
5604 (defun gnus-summary-preview-mime-message ()
5605 "MIME decode and play this message."
5607 (let ((gnus-break-pages nil)
5609 (gnus-summary-select-article gnus-show-all-headers t))
5610 (select-window (get-buffer-window gnus-article-buffer)))
5614 (defvar gnus-dead-summary-mode-map nil)
5616 (unless gnus-dead-summary-mode-map
5617 (setq gnus-dead-summary-mode-map (make-keymap))
5618 (suppress-keymap gnus-dead-summary-mode-map)
5619 (substitute-key-definition
5620 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5621 (let ((keys '("\C-d" "\r" "\177" [delete])))
5623 (define-key gnus-dead-summary-mode-map
5624 (pop keys) 'gnus-summary-wake-up-the-dead))))
5626 (defvar gnus-dead-summary-mode nil
5627 "Minor mode for Gnus summary buffers.")
5629 (defun gnus-dead-summary-mode (&optional arg)
5630 "Minor mode for Gnus summary buffers."
5632 (when (eq major-mode 'gnus-summary-mode)
5633 (make-local-variable 'gnus-dead-summary-mode)
5634 (setq gnus-dead-summary-mode
5635 (if (null arg) (not gnus-dead-summary-mode)
5636 (> (prefix-numeric-value arg) 0)))
5637 (when gnus-dead-summary-mode
5638 (gnus-add-minor-mode
5639 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5641 (defun gnus-deaden-summary ()
5642 "Make the current summary buffer into a dead summary buffer."
5643 ;; Kill any previous dead summary buffer.
5644 (when (and gnus-dead-summary
5645 (buffer-name gnus-dead-summary))
5647 (set-buffer gnus-dead-summary)
5648 (when gnus-dead-summary-mode
5649 (kill-buffer (current-buffer)))))
5650 ;; Make this the current dead summary.
5651 (setq gnus-dead-summary (current-buffer))
5652 (gnus-dead-summary-mode 1)
5653 (let ((name (buffer-name)))
5654 (when (string-match "Summary" name)
5656 (concat (substring name 0 (match-beginning 0)) "Dead "
5657 (substring name (match-beginning 0)))
5661 (defun gnus-kill-or-deaden-summary (buffer)
5662 "Kill or deaden the summary BUFFER."
5664 (when (and (buffer-name buffer)
5665 (not gnus-single-article-buffer))
5668 (gnus-kill-buffer gnus-article-buffer)
5669 (gnus-kill-buffer gnus-original-article-buffer)))
5670 (cond (gnus-kill-summary-on-exit
5671 (when (and gnus-use-trees
5672 (gnus-buffer-exists-p buffer))
5675 (gnus-tree-close gnus-newsgroup-name)))
5676 (gnus-kill-buffer buffer))
5677 ((gnus-buffer-exists-p buffer)
5680 (gnus-deaden-summary))))))
5682 (defun gnus-summary-wake-up-the-dead (&rest args)
5683 "Wake up the dead summary buffer."
5685 (gnus-dead-summary-mode -1)
5686 (let ((name (buffer-name)))
5687 (when (string-match "Dead " name)
5689 (concat (substring name 0 (match-beginning 0))
5690 (substring name (match-end 0)))
5692 (gnus-message 3 "This dead summary is now alive again"))
5694 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5695 (defun gnus-summary-fetch-faq (&optional faq-dir)
5696 "Fetch the FAQ for the current group.
5697 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5701 (when current-prefix-arg
5703 "Faq dir: " (and (listp gnus-group-faq-directory)
5704 (mapcar (lambda (file) (list file))
5705 gnus-group-faq-directory))))))
5706 (let (gnus-faq-buffer)
5707 (when (setq gnus-faq-buffer
5708 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5709 (gnus-configure-windows 'summary-faq))))
5711 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5712 (defun gnus-summary-describe-group (&optional force)
5713 "Describe the current newsgroup."
5715 (gnus-group-describe-group force gnus-newsgroup-name))
5717 (defun gnus-summary-describe-briefly ()
5718 "Describe summary mode commands briefly."
5720 (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")))
5722 ;; Walking around group mode buffer from summary mode.
5724 (defun gnus-summary-next-group (&optional no-article target-group backward)
5725 "Exit current newsgroup and then select next unread newsgroup.
5726 If prefix argument NO-ARTICLE is non-nil, no article is selected
5727 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5728 previous group instead."
5730 ;; Stop pre-fetching.
5731 (gnus-async-halt-prefetch)
5732 (let ((current-group gnus-newsgroup-name)
5733 (current-buffer (current-buffer))
5735 ;; First we semi-exit this group to update Xrefs and all variables.
5736 ;; We can't do a real exit, because the window conf must remain
5737 ;; the same in case the user is prompted for info, and we don't
5738 ;; want the window conf to change before that...
5739 (gnus-summary-exit t)
5740 (while (not entered)
5741 ;; Then we find what group we are supposed to enter.
5742 (set-buffer gnus-group-buffer)
5743 (gnus-group-jump-to-group current-group)
5746 (if (eq gnus-keep-same-level 'best)
5747 (gnus-summary-best-group gnus-newsgroup-name)
5748 (gnus-summary-search-group backward gnus-keep-same-level))))
5749 (if (not target-group)
5750 ;; There are no further groups, so we return to the group
5753 (gnus-message 5 "Returning to the group buffer")
5755 (when (gnus-buffer-live-p current-buffer)
5756 (set-buffer current-buffer)
5757 (gnus-summary-exit))
5758 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5759 ;; We try to enter the target group.
5760 (gnus-group-jump-to-group target-group)
5761 (let ((unreads (gnus-group-group-unread)))
5762 (if (and (or (eq t unreads)
5763 (and unreads (not (zerop unreads))))
5764 (gnus-summary-read-group
5765 target-group nil no-article
5766 (and (buffer-name current-buffer) current-buffer)
5769 (setq current-group target-group
5770 target-group nil)))))))
5772 (defun gnus-summary-prev-group (&optional no-article)
5773 "Exit current newsgroup and then select previous unread newsgroup.
5774 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5776 (gnus-summary-next-group no-article nil t))
5778 ;; Walking around summary lines.
5780 (defun gnus-summary-first-subject (&optional unread undownloaded)
5781 "Go to the first unread subject.
5782 If UNREAD is non-nil, go to the first unread article.
5783 Returns the article selected or nil if there are no unread articles."
5788 ((null gnus-newsgroup-data)
5789 (gnus-message 3 "No articles in the group")
5791 ;; Pick the first article.
5793 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5794 (gnus-data-number (car gnus-newsgroup-data)))
5795 ;; No unread articles.
5796 ((null gnus-newsgroup-unreads)
5797 (gnus-message 3 "No more unread articles")
5799 ;; Find the first unread article.
5801 (let ((data gnus-newsgroup-data))
5803 (and (not (and undownloaded
5804 (eq gnus-undownloaded-mark
5805 (gnus-data-mark (car data)))))
5806 (not (gnus-data-unread-p (car data)))))
5807 (setq data (cdr data)))
5809 (goto-char (gnus-data-pos (car data)))
5810 (gnus-data-number (car data))))))
5811 (gnus-summary-position-point)))
5813 (defun gnus-summary-next-subject (n &optional unread dont-display)
5814 "Go to next N'th summary line.
5815 If N is negative, go to the previous N'th subject line.
5816 If UNREAD is non-nil, only unread articles are selected.
5817 The difference between N and the actual number of steps taken is
5820 (let ((backward (< n 0))
5824 (gnus-summary-find-prev unread)
5825 (gnus-summary-find-next unread)))
5826 (unless (zerop (setq n (1- n)))
5827 (gnus-summary-show-thread)))
5829 (gnus-message 7 "No more%s articles"
5830 (if unread " unread" "")))
5831 (unless dont-display
5832 (gnus-summary-recenter)
5833 (gnus-summary-position-point))
5836 (defun gnus-summary-next-unread-subject (n)
5837 "Go to next N'th unread summary line."
5839 (gnus-summary-next-subject n t))
5841 (defun gnus-summary-prev-subject (n &optional unread)
5842 "Go to previous N'th summary line.
5843 If optional argument UNREAD is non-nil, only unread article is selected."
5845 (gnus-summary-next-subject (- n) unread))
5847 (defun gnus-summary-prev-unread-subject (n)
5848 "Go to previous N'th unread summary line."
5850 (gnus-summary-next-subject (- n) t))
5852 (defun gnus-summary-goto-subject (article &optional force silent)
5853 "Go the subject line of ARTICLE.
5854 If FORCE, also allow jumping to articles not currently shown."
5855 (interactive "nArticle number: ")
5857 (data (gnus-data-find article)))
5858 ;; We read in the article if we have to.
5861 (gnus-summary-insert-subject
5863 (if (or (numberp force) (vectorp force)) force)
5865 (setq data (gnus-data-find article)))
5870 (gnus-message 3 "Can't find article %d" article))
5872 (goto-char (gnus-data-pos data))
5873 (gnus-summary-position-point)
5876 ;; Walking around summary lines with displaying articles.
5878 (defun gnus-summary-expand-window (&optional arg)
5879 "Make the summary buffer take up the entire Emacs frame.
5880 Given a prefix, will force an `article' buffer configuration."
5883 (gnus-configure-windows 'article 'force)
5884 (gnus-configure-windows 'summary 'force)))
5886 (defun gnus-summary-display-article (article &optional all-header)
5887 "Display ARTICLE in article buffer."
5888 (gnus-set-global-variables)
5892 (if gnus-summary-display-article-function
5893 (funcall gnus-summary-display-article-function article all-header)
5894 (gnus-article-prepare article all-header))
5895 (with-current-buffer gnus-article-buffer
5896 (set (make-local-variable 'gnus-summary-search-article-matched-data)
5898 (gnus-run-hooks 'gnus-select-article-hook)
5899 (when (and gnus-current-article
5900 (not (zerop gnus-current-article)))
5901 (gnus-summary-goto-subject gnus-current-article))
5902 (gnus-summary-recenter)
5903 (when (and gnus-use-trees gnus-show-threads)
5904 (gnus-possibly-generate-tree article)
5905 (gnus-highlight-selected-tree article))
5906 ;; Successfully display article.
5907 (gnus-article-set-window-start
5908 (cdr (assq article gnus-newsgroup-bookmarks))))))
5910 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5911 "Select the current article.
5912 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5913 non-nil, the article will be re-fetched even if it already present in
5914 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5916 ;; Make sure we are in the summary buffer to work around bbdb bug.
5917 (unless (eq major-mode 'gnus-summary-mode)
5918 (set-buffer gnus-summary-buffer))
5919 (let ((article (or article (gnus-summary-article-number)))
5920 (all-headers (not (not all-headers))) ;Must be T or NIL.
5921 gnus-summary-display-article-function)
5923 (gnus-summary-article-pseudo-p article)
5924 (error "This is a pseudo-article"))
5926 (set-buffer gnus-summary-buffer)
5927 (if (or (and gnus-single-article-buffer
5928 (or (null gnus-current-article)
5929 (null gnus-article-current)
5930 (null (get-buffer gnus-article-buffer))
5931 (not (eq article (cdr gnus-article-current)))
5932 (not (equal (car gnus-article-current)
5933 gnus-newsgroup-name))))
5934 (and (not gnus-single-article-buffer)
5935 (or (null gnus-current-article)
5936 (not (eq gnus-current-article article))))
5938 ;; The requested article is different from the current article.
5940 (gnus-summary-display-article article all-headers)
5941 (when (or all-headers gnus-show-all-headers)
5942 (gnus-article-show-all-headers))
5943 (gnus-article-set-window-start
5944 (cdr (assq article gnus-newsgroup-bookmarks)))
5946 (when (or all-headers gnus-show-all-headers)
5947 (gnus-article-show-all-headers))
5950 (defun gnus-summary-set-current-mark (&optional current-mark)
5951 "Obsolete function."
5954 (defun gnus-summary-next-article (&optional unread subject backward push)
5955 "Select the next article.
5956 If UNREAD, only unread articles are selected.
5957 If SUBJECT, only articles with SUBJECT are selected.
5958 If BACKWARD, the previous article is selected instead of the next."
5961 ;; Is there such an article?
5962 ((and (gnus-summary-search-forward unread subject backward)
5963 (or (gnus-summary-display-article (gnus-summary-article-number))
5964 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5965 (gnus-summary-position-point))
5966 ;; If not, we try the first unread, if that is wanted.
5968 gnus-auto-select-same
5969 (gnus-summary-first-unread-article))
5970 (gnus-summary-position-point)
5971 (gnus-message 6 "Wrapped"))
5972 ;; Try to get next/previous article not displayed in this group.
5973 ((and gnus-auto-extend-newsgroup
5974 (not unread) (not subject))
5975 (gnus-summary-goto-article
5976 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5977 nil (count-lines (point-min) (point))))
5978 ;; Go to next/previous group.
5980 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5981 (gnus-summary-jump-to-group gnus-newsgroup-name))
5982 (let ((cmd last-command-char)
5985 (set-buffer gnus-group-buffer)
5988 (if (eq gnus-keep-same-level 'best)
5989 (gnus-summary-best-group gnus-newsgroup-name)
5990 (gnus-summary-search-group backward gnus-keep-same-level))))
5991 ;; For some reason, the group window gets selected. We change
5993 (select-window (get-buffer-window (current-buffer)))
5994 ;; Select next unread newsgroup automagically.
5996 ((or (not gnus-auto-select-next)
5998 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5999 ((or (eq gnus-auto-select-next 'quietly)
6000 (and (eq gnus-auto-select-next 'slightly-quietly)
6002 (and (eq gnus-auto-select-next 'almost-quietly)
6003 (gnus-summary-last-article-p)))
6005 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6007 (gnus-message 7 "No more%s articles (%s)..."
6008 (if unread " unread" "")
6009 (if group (concat "selecting " group)
6011 (gnus-summary-next-group nil group backward)))
6013 (when (gnus-key-press-event-p last-input-event)
6014 (gnus-summary-walk-group-buffer
6015 gnus-newsgroup-name cmd unread backward point))))))))
6017 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6018 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6019 (?\C-p (gnus-group-prev-unread-group 1))))
6020 (cursor-in-echo-area t)
6021 keve key group ended)
6023 (set-buffer gnus-group-buffer)
6026 (if (eq gnus-keep-same-level 'best)
6027 (gnus-summary-best-group gnus-newsgroup-name)
6028 (gnus-summary-search-group backward gnus-keep-same-level))))
6031 5 "No more%s articles%s" (if unread " unread" "")
6033 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6034 (format " (Type %s for %s [%s])"
6035 (single-key-description cmd) group
6036 (car (gnus-gethash group gnus-newsrc-hashtb)))
6037 (format " (Type %s to exit %s)"
6038 (single-key-description cmd)
6039 gnus-newsgroup-name)))
6040 ;; Confirm auto selection.
6041 (setq key (car (setq keve (gnus-read-event-char))))
6044 ((assq key keystrokes)
6045 (let ((obuf (current-buffer)))
6046 (switch-to-buffer gnus-group-buffer)
6048 (gnus-group-jump-to-group group))
6049 (eval (cadr (assq key keystrokes)))
6050 (setq group (gnus-group-group-name))
6051 (switch-to-buffer obuf))
6055 (gnus-ephemeral-group-p gnus-newsgroup-name))
6057 (gnus-summary-next-group nil group backward)))
6059 (push (cdr keve) unread-command-events))))))
6061 (defun gnus-summary-next-unread-article ()
6062 "Select unread article after current one."
6064 (gnus-summary-next-article
6065 (or (not (eq gnus-summary-goto-unread 'never))
6066 (gnus-summary-last-article-p (gnus-summary-article-number)))
6067 (and gnus-auto-select-same
6068 (gnus-summary-article-subject))))
6070 (defun gnus-summary-prev-article (&optional unread subject)
6071 "Select the article after the current one.
6072 If UNREAD is non-nil, only unread articles are selected."
6074 (gnus-summary-next-article unread subject t))
6076 (defun gnus-summary-prev-unread-article ()
6077 "Select unread article before current one."
6079 (gnus-summary-prev-article
6080 (or (not (eq gnus-summary-goto-unread 'never))
6081 (gnus-summary-first-article-p (gnus-summary-article-number)))
6082 (and gnus-auto-select-same
6083 (gnus-summary-article-subject))))
6085 (defun gnus-summary-next-page (&optional lines circular)
6086 "Show next page of the selected article.
6087 If at the end of the current article, select the next article.
6088 LINES says how many lines should be scrolled up.
6090 If CIRCULAR is non-nil, go to the start of the article instead of
6091 selecting the next article when reaching the end of the current
6094 (setq gnus-summary-buffer (current-buffer))
6095 (gnus-set-global-variables)
6096 (let ((article (gnus-summary-article-number))
6097 (article-window (get-buffer-window gnus-article-buffer t))
6099 ;; If the buffer is empty, we have no article.
6101 (error "No article to select"))
6102 (gnus-configure-windows 'article)
6103 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6104 (if (and (eq gnus-summary-goto-unread 'never)
6105 (not (gnus-summary-last-article-p article)))
6106 (gnus-summary-next-article)
6107 (gnus-summary-next-unread-article))
6108 (if (or (null gnus-current-article)
6109 (null gnus-article-current)
6110 (/= article (cdr gnus-article-current))
6111 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6112 ;; Selected subject is different from current article's.
6113 (gnus-summary-display-article article)
6114 (when article-window
6115 (gnus-eval-in-buffer-window gnus-article-buffer
6116 (setq endp (gnus-article-next-page lines)))
6119 (gnus-summary-beginning-of-article))
6121 (gnus-message 3 "End of message"))
6123 (if (and (eq gnus-summary-goto-unread 'never)
6124 (not (gnus-summary-last-article-p article)))
6125 (gnus-summary-next-article)
6126 (gnus-summary-next-unread-article))))))))
6127 (gnus-summary-recenter)
6128 (gnus-summary-position-point)))
6130 (defun gnus-summary-prev-page (&optional lines move)
6131 "Show previous page of selected article.
6132 Argument LINES specifies lines to be scrolled down.
6133 If MOVE, move to the previous unread article if point is at
6134 the beginning of the buffer."
6136 (let ((article (gnus-summary-article-number))
6137 (article-window (get-buffer-window gnus-article-buffer t))
6139 (gnus-configure-windows 'article)
6140 (if (or (null gnus-current-article)
6141 (null gnus-article-current)
6142 (/= article (cdr gnus-article-current))
6143 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6144 ;; Selected subject is different from current article's.
6145 (gnus-summary-display-article article)
6146 (gnus-summary-recenter)
6147 (when article-window
6148 (gnus-eval-in-buffer-window gnus-article-buffer
6149 (setq endp (gnus-article-prev-page lines)))
6150 (when (and move endp)
6152 (gnus-message 3 "Beginning of message"))
6154 (if (and (eq gnus-summary-goto-unread 'never)
6155 (not (gnus-summary-first-article-p article)))
6156 (gnus-summary-prev-article)
6157 (gnus-summary-prev-unread-article))))))))
6158 (gnus-summary-position-point))
6160 (defun gnus-summary-prev-page-or-article (&optional lines)
6161 "Show previous page of selected article.
6162 Argument LINES specifies lines to be scrolled down.
6163 If at the beginning of the article, go to the next article."
6165 (gnus-summary-prev-page lines t))
6167 (defun gnus-summary-scroll-up (lines)
6168 "Scroll up (or down) one line current article.
6169 Argument LINES specifies lines to be scrolled up (or down if negative)."
6171 (gnus-configure-windows 'article)
6172 (gnus-summary-show-thread)
6173 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6174 (gnus-eval-in-buffer-window gnus-article-buffer
6176 (when (gnus-article-next-page lines)
6177 (gnus-message 3 "End of message")))
6179 (gnus-article-prev-page (- lines))))))
6180 (gnus-summary-recenter)
6181 (gnus-summary-position-point))
6183 (defun gnus-summary-scroll-down (lines)
6184 "Scroll down (or up) one line current article.
6185 Argument LINES specifies lines to be scrolled down (or up if negative)."
6187 (gnus-summary-scroll-up (- lines)))
6189 (defun gnus-summary-next-same-subject ()
6190 "Select next article which has the same subject as current one."
6192 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6194 (defun gnus-summary-prev-same-subject ()
6195 "Select previous article which has the same subject as current one."
6197 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6199 (defun gnus-summary-next-unread-same-subject ()
6200 "Select next unread article which has the same subject as current one."
6202 (gnus-summary-next-article t (gnus-summary-article-subject)))
6204 (defun gnus-summary-prev-unread-same-subject ()
6205 "Select previous unread article which has the same subject as current one."
6207 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6209 (defun gnus-summary-first-unread-article ()
6210 "Select the first unread article.
6211 Return nil if there are no unread articles."
6214 (when (gnus-summary-first-subject t)
6215 (gnus-summary-show-thread)
6216 (gnus-summary-first-subject t)
6217 (gnus-summary-display-article (gnus-summary-article-number)))
6218 (gnus-summary-position-point)))
6220 (defun gnus-summary-first-unread-subject ()
6221 "Place the point on the subject line of the first unread article.
6222 Return nil if there are no unread articles."
6225 (when (gnus-summary-first-subject t)
6226 (gnus-summary-show-thread)
6227 (gnus-summary-first-subject t))
6228 (gnus-summary-position-point)))
6230 (defun gnus-summary-first-article ()
6231 "Select the first article.
6232 Return nil if there are no articles."
6235 (when (gnus-summary-first-subject)
6236 (gnus-summary-show-thread)
6237 (gnus-summary-first-subject)
6238 (gnus-summary-display-article (gnus-summary-article-number)))
6239 (gnus-summary-position-point)))
6241 (defun gnus-summary-best-unread-article ()
6242 "Select the unread article with the highest score."
6244 (let ((best -1000000)
6245 (data gnus-newsgroup-data)
6248 (and (gnus-data-unread-p (car data))
6250 (gnus-summary-article-score (gnus-data-number (car data))))
6253 article (gnus-data-number (car data))))
6254 (setq data (cdr data)))
6257 (gnus-summary-goto-article article)
6258 (error "No unread articles"))
6259 (gnus-summary-position-point))))
6261 (defun gnus-summary-last-subject ()
6262 "Go to the last displayed subject line in the group."
6263 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6265 (gnus-summary-goto-subject article))))
6267 (defun gnus-summary-goto-article (article &optional all-headers force)
6268 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6269 If ALL-HEADERS is non-nil, no header lines are hidden.
6270 If FORCE, go to the article even if it isn't displayed. If FORCE
6271 is a number, it is the line the article is to be displayed on."
6275 "Article number or Message-ID: "
6276 (mapcar (lambda (number) (list (int-to-string number)))
6277 gnus-newsgroup-limit))
6281 (if (and (stringp article)
6282 (string-match "@" article))
6283 (gnus-summary-refer-article article)
6284 (when (stringp article)
6285 (setq article (string-to-number article)))
6286 (if (gnus-summary-goto-subject article force)
6287 (gnus-summary-display-article article all-headers)
6288 (gnus-message 4 "Couldn't go to article %s" article) nil))
6289 (gnus-summary-position-point)))
6291 (defun gnus-summary-goto-last-article ()
6292 "Go to the previously read article."
6295 (when gnus-last-article
6296 (gnus-summary-goto-article gnus-last-article nil t))
6297 (gnus-summary-position-point)))
6299 (defun gnus-summary-pop-article (number)
6300 "Pop one article off the history and go to the previous.
6301 NUMBER articles will be popped off."
6304 (setq gnus-newsgroup-history
6305 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6307 (gnus-summary-goto-article (car to) nil t)
6308 (error "Article history empty")))
6309 (gnus-summary-position-point))
6311 ;; Summary commands and functions for limiting the summary buffer.
6313 (defun gnus-summary-limit-to-articles (n)
6314 "Limit the summary buffer to the next N articles.
6315 If not given a prefix, use the process marked articles instead."
6318 (let ((articles (gnus-summary-work-articles n)))
6319 (setq gnus-newsgroup-processable nil)
6320 (gnus-summary-limit articles))
6321 (gnus-summary-position-point)))
6323 (defun gnus-summary-pop-limit (&optional total)
6324 "Restore the previous limit.
6325 If given a prefix, remove all limits."
6328 (setq gnus-newsgroup-limits
6329 (list (mapcar (lambda (h) (mail-header-number h))
6330 gnus-newsgroup-headers))))
6331 (unless gnus-newsgroup-limits
6332 (error "No limit to pop"))
6334 (gnus-summary-limit nil 'pop)
6335 (gnus-summary-position-point)))
6337 (defun gnus-summary-limit-to-subject (subject &optional header)
6338 "Limit the summary buffer to articles that have subjects that match a regexp."
6339 (interactive "sLimit to subject (regexp): ")
6341 (setq header "subject"))
6342 (when (not (equal "" subject))
6344 (let ((articles (gnus-summary-find-matching
6345 (or header "subject") subject 'all)))
6347 (error "Found no matches for \"%s\"" subject))
6348 (gnus-summary-limit articles))
6349 (gnus-summary-position-point))))
6351 (defun gnus-summary-limit-to-author (from)
6352 "Limit the summary buffer to articles that have authors that match a regexp."
6353 (interactive "sLimit to author (regexp): ")
6354 (gnus-summary-limit-to-subject from "from"))
6356 (defun gnus-summary-limit-to-age (age &optional younger-p)
6357 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6358 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6359 articles that are younger than AGE days."
6361 (let ((younger current-prefix-arg)
6364 (while (not days-got)
6365 (setq days (if younger
6366 (read-string "Limit to articles within (in days): ")
6367 (read-string "Limit to articles old than (in days): ")))
6368 (when (> (length days) 0)
6369 (setq days (read days)))
6372 (message "Please enter a number.")
6374 (list days younger)))
6376 (let ((data gnus-newsgroup-data)
6377 (cutoff (days-to-time age))
6378 articles d date is-younger)
6379 (while (setq d (pop data))
6380 (when (and (vectorp (gnus-data-header d))
6381 (setq date (mail-header-date (gnus-data-header d))))
6382 (setq is-younger (time-less-p
6383 (time-since (condition-case ()
6390 (push (gnus-data-number d) articles))))
6391 (gnus-summary-limit (nreverse articles)))
6392 (gnus-summary-position-point)))
6394 (defun gnus-summary-limit-to-extra (header regexp)
6395 "Limit the summary buffer to articles that match an 'extra' header."
6399 (gnus-completing-read
6400 (symbol-name (car gnus-extra-headers))
6401 "Limit extra header:"
6403 (cons (symbol-name x) x))
6408 (read-string (format "Limit to header %s (regexp): " header)))))
6409 (when (not (equal "" regexp))
6411 (let ((articles (gnus-summary-find-matching
6412 (cons 'extra header) regexp 'all)))
6414 (error "Found no matches for \"%s\"" regexp))
6415 (gnus-summary-limit articles))
6416 (gnus-summary-position-point))))
6418 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6420 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6422 (defun gnus-summary-limit-to-unread (&optional all)
6423 "Limit the summary buffer to articles that are not marked as read.
6424 If ALL is non-nil, limit strictly to unread articles."
6427 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6428 (gnus-summary-limit-to-marks
6429 ;; Concat all the marks that say that an article is read and have
6431 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6432 gnus-killed-mark gnus-kill-file-mark
6433 gnus-low-score-mark gnus-expirable-mark
6434 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6435 gnus-duplicate-mark gnus-souped-mark)
6438 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6439 (make-obsolete 'gnus-summary-delete-marked-with
6440 'gnus-summary-limit-exlude-marks)
6442 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6443 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6444 If REVERSE, limit the summary buffer to articles that are marked
6445 with MARKS. MARKS can either be a string of marks or a list of marks.
6446 Returns how many articles were removed."
6447 (interactive "sMarks: ")
6448 (gnus-summary-limit-to-marks marks t))
6450 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6451 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6452 If REVERSE (the prefix), limit the summary buffer to articles that are
6453 not marked with MARKS. MARKS can either be a string of marks or a
6455 Returns how many articles were removed."
6456 (interactive "sMarks: \nP")
6458 (let ((data gnus-newsgroup-data)
6459 (marks (if (listp marks) marks
6460 (append marks nil))) ; Transform to list.
6463 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6464 (memq (gnus-data-mark (car data)) marks))
6465 (push (gnus-data-number (car data)) articles))
6466 (setq data (cdr data)))
6467 (gnus-summary-limit articles))
6468 (gnus-summary-position-point)))
6470 (defun gnus-summary-limit-to-score (&optional score)
6471 "Limit to articles with score at or above SCORE."
6473 (setq score (if score
6474 (prefix-numeric-value score)
6475 (or gnus-summary-default-score 0)))
6476 (let ((data gnus-newsgroup-data)
6479 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6481 (push (gnus-data-number (car data)) articles))
6482 (setq data (cdr data)))
6484 (gnus-summary-limit articles)
6485 (gnus-summary-position-point))))
6487 (defun gnus-summary-limit-include-thread (id)
6488 "Display all the hidden articles that in the current thread."
6489 (interactive (list (mail-header-id (gnus-summary-article-header))))
6490 (let ((articles (gnus-articles-in-thread
6491 (gnus-id-to-thread (gnus-root-id id)))))
6493 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6494 (gnus-summary-position-point))))
6496 (defun gnus-summary-limit-include-dormant ()
6497 "Display all the hidden articles that are marked as dormant.
6498 Note that this command only works on a subset of the articles currently
6499 fetched for this group."
6501 (unless gnus-newsgroup-dormant
6502 (error "There are no dormant articles in this group"))
6504 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6505 (gnus-summary-position-point)))
6507 (defun gnus-summary-limit-exclude-dormant ()
6508 "Hide all dormant articles."
6511 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6512 (gnus-summary-position-point)))
6514 (defun gnus-summary-limit-exclude-childless-dormant ()
6515 "Hide all dormant articles that have no children."
6517 (let ((data (gnus-data-list t))
6518 articles d children)
6519 ;; Find all articles that are either not dormant or have
6521 (while (setq d (pop data))
6522 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6524 (gnus-article-children (gnus-data-number d)))
6527 (when (memq (car children) articles)
6532 (push (gnus-data-number d) articles)))
6535 (gnus-summary-limit articles)
6536 (gnus-summary-position-point))))
6538 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6539 "Mark all unread excluded articles as read.
6540 If ALL, mark even excluded ticked and dormants as read."
6542 (let ((articles (gnus-sorted-complement
6544 (mapcar (lambda (h) (mail-header-number h))
6545 gnus-newsgroup-headers)
6547 (sort gnus-newsgroup-limit '<)))
6549 (setq gnus-newsgroup-unreads
6550 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6552 (setq gnus-newsgroup-dormant nil
6553 gnus-newsgroup-marked nil
6554 gnus-newsgroup-reads
6556 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6557 gnus-newsgroup-reads))
6558 (while (setq article (pop articles))
6559 (unless (or (memq article gnus-newsgroup-dormant)
6560 (memq article gnus-newsgroup-marked))
6561 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6563 (defun gnus-summary-limit (articles &optional pop)
6565 ;; We pop the previous limit off the stack and use that.
6566 (setq articles (car gnus-newsgroup-limits)
6567 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6568 ;; We use the new limit, so we push the old limit on the stack.
6569 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6571 (setq gnus-newsgroup-limit articles)
6572 (let ((total (length gnus-newsgroup-data))
6573 (data (gnus-data-find-list (gnus-summary-article-number)))
6574 (gnus-summary-mark-below nil) ; Inhibit this.
6576 ;; This will do all the work of generating the new summary buffer
6577 ;; according to the new limit.
6578 (gnus-summary-prepare)
6579 ;; Hide any threads, possibly.
6580 (and gnus-show-threads
6581 gnus-thread-hide-subtree
6582 (gnus-summary-hide-all-threads))
6583 ;; Try to return to the article you were at, or one in the
6586 ;; We try to find some article after the current one.
6588 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6591 (setq data (cdr data))))
6593 ;; If there is no data, that means that we were after the last
6594 ;; article. The same goes when we can't find any articles
6595 ;; after the current one.
6596 (goto-char (point-max))
6597 (gnus-summary-find-prev))
6598 (gnus-set-mode-line 'summary)
6599 ;; We return how many articles were removed from the summary
6600 ;; buffer as a result of the new limit.
6601 (- total (length gnus-newsgroup-data))))
6603 (defsubst gnus-invisible-cut-children (threads)
6606 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6611 (defsubst gnus-cut-thread (thread)
6612 "Go forwards in the thread until we find an article that we want to display."
6613 (when (or (eq gnus-fetch-old-headers 'some)
6614 (eq gnus-fetch-old-headers 'invisible)
6615 (numberp gnus-fetch-old-headers)
6616 (eq gnus-build-sparse-threads 'some)
6617 (eq gnus-build-sparse-threads 'more))
6618 ;; Deal with old-fetched headers and sparse threads.
6622 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6623 (gnus-summary-article-ancient-p
6624 (mail-header-number (car thread))))
6625 (if (or (<= (length (cdr thread)) 1)
6626 (eq gnus-fetch-old-headers 'invisible))
6627 (setq gnus-newsgroup-limit
6628 (delq (mail-header-number (car thread))
6629 gnus-newsgroup-limit)
6630 thread (cadr thread))
6631 (when (gnus-invisible-cut-children (cdr thread))
6632 (let ((th (cdr thread)))
6634 (if (memq (mail-header-number (caar th))
6635 gnus-newsgroup-limit)
6636 (setq thread (car th)
6638 (setq th (cdr th))))))))))
6641 (defun gnus-cut-threads (threads)
6642 "Cut off all uninteresting articles from the beginning of threads."
6643 (when (or (eq gnus-fetch-old-headers 'some)
6644 (eq gnus-fetch-old-headers 'invisible)
6645 (numberp gnus-fetch-old-headers)
6646 (eq gnus-build-sparse-threads 'some)
6647 (eq gnus-build-sparse-threads 'more))
6650 (setcar th (gnus-cut-thread (car th)))
6651 (setq th (cdr th)))))
6652 ;; Remove nixed out threads.
6655 (defun gnus-summary-initial-limit (&optional show-if-empty)
6656 "Figure out what the initial limit is supposed to be on group entry.
6657 This entails weeding out unwanted dormants, low-scored articles,
6658 fetch-old-headers verbiage, and so on."
6659 ;; Most groups have nothing to remove.
6660 (if (or gnus-inhibit-limiting
6661 (and (null gnus-newsgroup-dormant)
6662 (not (eq gnus-fetch-old-headers 'some))
6663 (not (numberp gnus-fetch-old-headers))
6664 (not (eq gnus-fetch-old-headers 'invisible))
6665 (null gnus-summary-expunge-below)
6666 (not (eq gnus-build-sparse-threads 'some))
6667 (not (eq gnus-build-sparse-threads 'more))
6668 (null gnus-thread-expunge-below)
6669 (not gnus-use-nocem)))
6671 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6672 (setq gnus-newsgroup-limit nil)
6675 (unless (car (symbol-value node))
6676 ;; These threads have no parents -- they are roots.
6677 (let ((nodes (cdr (symbol-value node)))
6680 (if (and gnus-thread-expunge-below
6681 (< (gnus-thread-total-score (car nodes))
6682 gnus-thread-expunge-below))
6683 (gnus-expunge-thread (pop nodes))
6684 (setq thread (pop nodes))
6685 (gnus-summary-limit-children thread))))))
6686 gnus-newsgroup-dependencies)
6687 ;; If this limitation resulted in an empty group, we might
6688 ;; pop the previous limit and use it instead.
6689 (when (and (not gnus-newsgroup-limit)
6691 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6692 gnus-newsgroup-limit))
6694 (defun gnus-summary-limit-children (thread)
6695 "Return 1 if this subthread is visible and 0 if it is not."
6696 ;; First we get the number of visible children to this thread. This
6697 ;; is done by recursing down the thread using this function, so this
6698 ;; will really go down to a leaf article first, before slowly
6699 ;; working its way up towards the root.
6703 (apply '+ (mapcar 'gnus-summary-limit-children
6706 (number (mail-header-number (car thread)))
6709 (not (memq number gnus-newsgroup-marked))
6711 ;; If this article is dormant and has absolutely no visible
6712 ;; children, then this article isn't visible.
6713 (and (memq number gnus-newsgroup-dormant)
6715 ;; If this is "fetch-old-headered" and there is no
6716 ;; visible children, then we don't want this article.
6717 (and (or (eq gnus-fetch-old-headers 'some)
6718 (numberp gnus-fetch-old-headers))
6719 (gnus-summary-article-ancient-p number)
6721 ;; If this is "fetch-old-headered" and `invisible', then
6722 ;; we don't want this article.
6723 (and (eq gnus-fetch-old-headers 'invisible)
6724 (gnus-summary-article-ancient-p number))
6725 ;; If this is a sparsely inserted article with no children,
6726 ;; we don't want it.
6727 (and (eq gnus-build-sparse-threads 'some)
6728 (gnus-summary-article-sparse-p number)
6730 ;; If we use expunging, and this article is really
6731 ;; low-scored, then we don't want this article.
6732 (when (and gnus-summary-expunge-below
6734 (or (cdr (assq number gnus-newsgroup-scored))
6735 gnus-summary-default-score))
6736 gnus-summary-expunge-below))
6737 ;; We increase the expunge-tally here, but that has
6738 ;; nothing to do with the limits, really.
6739 (incf gnus-newsgroup-expunged-tally)
6740 ;; We also mark as read here, if that's wanted.
6741 (when (and gnus-summary-mark-below
6742 (< score gnus-summary-mark-below))
6743 (setq gnus-newsgroup-unreads
6744 (delq number gnus-newsgroup-unreads))
6745 (if gnus-newsgroup-auto-expire
6746 (push number gnus-newsgroup-expirable)
6747 (push (cons number gnus-low-score-mark)
6748 gnus-newsgroup-reads)))
6750 ;; Check NoCeM things.
6751 (if (and gnus-use-nocem
6752 (gnus-nocem-unwanted-article-p
6753 (mail-header-id (car thread))))
6755 (setq gnus-newsgroup-unreads
6756 (delq number gnus-newsgroup-unreads))
6758 ;; Nope, invisible article.
6760 ;; Ok, this article is to be visible, so we add it to the limit
6762 (push number gnus-newsgroup-limit)
6765 (defun gnus-expunge-thread (thread)
6766 "Mark all articles in THREAD as read."
6767 (let* ((number (mail-header-number (car thread))))
6768 (incf gnus-newsgroup-expunged-tally)
6769 ;; We also mark as read here, if that's wanted.
6770 (setq gnus-newsgroup-unreads
6771 (delq number gnus-newsgroup-unreads))
6772 (if gnus-newsgroup-auto-expire
6773 (push number gnus-newsgroup-expirable)
6774 (push (cons number gnus-low-score-mark)
6775 gnus-newsgroup-reads)))
6776 ;; Go recursively through all subthreads.
6777 (mapcar 'gnus-expunge-thread (cdr thread)))
6779 ;; Summary article oriented commands
6781 (defun gnus-summary-refer-parent-article (n)
6782 "Refer parent article N times.
6783 If N is negative, go to ancestor -N instead.
6784 The difference between N and the number of articles fetched is returned."
6788 (when (not (natnump n))
6793 (setq header (gnus-summary-article-header))
6794 (if (and (eq (mail-header-number header)
6795 (cdr gnus-article-current))
6796 (equal gnus-newsgroup-name
6797 (car gnus-article-current)))
6798 ;; If we try to find the parent of the currently
6799 ;; displayed article, then we take a look at the actual
6800 ;; References header, since this is slightly more
6801 ;; reliable than the References field we got from the
6804 (set-buffer gnus-original-article-buffer)
6805 (nnheader-narrow-to-headers)
6806 (unless (setq ref (message-fetch-field "references"))
6807 (setq ref (message-fetch-field "in-reply-to")))
6810 ;; It's not the current article, so we take a bet on
6811 ;; the value we got from the server.
6812 (mail-header-references header)))
6814 (not (equal ref "")))
6815 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6816 (gnus-message 1 "Couldn't find parent"))
6817 (gnus-message 1 "No references in article %d"
6818 (gnus-summary-article-number))
6821 (gnus-summary-position-point)
6824 (defun gnus-summary-refer-references ()
6825 "Fetch all articles mentioned in the References header.
6826 Return the number of articles fetched."
6828 (let ((ref (mail-header-references (gnus-summary-article-header)))
6829 (current (gnus-summary-article-number))
6833 (error "No References in the current article")
6834 ;; For each Message-ID in the References header...
6835 (while (string-match "<[^>]*>" ref)
6837 ;; ... fetch that article.
6838 (gnus-summary-refer-article
6839 (prog1 (match-string 0 ref)
6840 (setq ref (substring ref (match-end 0))))))
6841 (gnus-summary-goto-subject current)
6842 (gnus-summary-position-point)
6845 (defun gnus-summary-refer-thread (&optional limit)
6846 "Fetch all articles in the current thread.
6847 If LIMIT (the numerical prefix), fetch that many old headers instead
6848 of what's specified by the `gnus-refer-thread-limit' variable."
6850 (let ((id (mail-header-id (gnus-summary-article-header)))
6851 (limit (if limit (prefix-numeric-value limit)
6852 gnus-refer-thread-limit)))
6853 ;; We want to fetch LIMIT *old* headers, but we also have to
6854 ;; re-fetch all the headers in the current buffer, because many of
6855 ;; them may be undisplayed. So we adjust LIMIT.
6856 (when (numberp limit)
6857 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6858 (unless (eq gnus-fetch-old-headers 'invisible)
6859 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6860 ;; Retrieve the headers and read them in.
6861 (if (eq (gnus-retrieve-headers
6862 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6864 (gnus-build-all-threads)
6865 (error "Can't fetch thread from backends that don't support NOV"))
6866 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6867 (gnus-summary-limit-include-thread id)))
6869 (defun gnus-summary-refer-article (message-id)
6870 "Fetch an article specified by MESSAGE-ID."
6871 (interactive "sMessage-ID: ")
6872 (when (and (stringp message-id)
6873 (not (zerop (length message-id))))
6874 ;; Construct the correct Message-ID if necessary.
6875 ;; Suggested by tale@pawl.rpi.edu.
6876 (unless (string-match "^<" message-id)
6877 (setq message-id (concat "<" message-id)))
6878 (unless (string-match ">$" message-id)
6879 (setq message-id (concat message-id ">")))
6880 (let* ((header (gnus-id-to-header message-id))
6882 (gnus-summary-article-sparse-p
6883 (mail-header-number header))
6884 (memq (mail-header-number header)
6885 gnus-newsgroup-limit)))
6888 ;; If the article is present in the buffer we just go to it.
6890 (or (not (gnus-summary-article-sparse-p
6891 (mail-header-number header)))
6894 (gnus-summary-goto-article
6895 (mail-header-number header) nil t)
6897 (gnus-summary-update-article (mail-header-number header)))))
6899 ;; We fetch the article.
6901 (dolist (gnus-override-method (gnus-refer-article-methods))
6902 (gnus-check-server gnus-override-method)
6903 ;; Fetch the header, and display the article.
6904 (when (setq number (gnus-summary-insert-subject message-id))
6905 (gnus-summary-select-article nil nil nil number)
6907 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6909 (defun gnus-refer-article-methods ()
6910 "Return a list of referrable methods."
6912 ;; No method, so we default to current and native.
6913 ((null gnus-refer-article-method)
6914 (list gnus-current-select-method gnus-select-method))
6916 ((eq 'current gnus-refer-article-method)
6917 (list gnus-current-select-method))
6918 ;; List of select methods.
6919 ((not (and (symbolp (car gnus-refer-article-method))
6920 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
6922 (dolist (method gnus-refer-article-method)
6923 (push (if (eq 'current method)
6924 gnus-current-select-method
6928 ;; One single select method.
6930 (list gnus-refer-article-method))))
6932 (defun gnus-summary-edit-parameters ()
6933 "Edit the group parameters of the current group."
6935 (gnus-group-edit-group gnus-newsgroup-name 'params))
6937 (defun gnus-summary-customize-parameters ()
6938 "Customize the group parameters of the current group."
6940 (gnus-group-customize gnus-newsgroup-name))
6942 (defun gnus-summary-enter-digest-group (&optional force)
6943 "Enter an nndoc group based on the current article.
6944 If FORCE, force a digest interpretation. If not, try
6945 to guess what the document format is."
6947 (let ((conf gnus-current-window-configuration))
6949 (gnus-summary-select-article))
6950 (setq gnus-current-window-configuration conf)
6951 (let* ((name (format "%s-%d"
6952 (gnus-group-prefixed-name
6953 gnus-newsgroup-name (list 'nndoc ""))
6955 (set-buffer gnus-summary-buffer)
6956 gnus-current-article)))
6957 (ogroup gnus-newsgroup-name)
6958 (params (append (gnus-info-params (gnus-get-info ogroup))
6959 (list (cons 'to-group ogroup))
6960 (list (cons 'save-article-group ogroup))))
6961 (case-fold-search t)
6962 (buf (current-buffer))
6965 (set-buffer gnus-original-article-buffer)
6966 ;; Have the digest group inherit the main mail address of
6967 ;; the parent article.
6968 (when (setq to-address (or (message-fetch-field "reply-to")
6969 (message-fetch-field "from")))
6970 (setq params (append
6971 (list (cons 'to-address
6972 (funcall gnus-decode-encoded-word-function
6974 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6975 (insert-buffer-substring gnus-original-article-buffer)
6976 ;; Remove lines that may lead nndoc to misinterpret the
6979 (goto-char (point-min))
6980 (or (search-forward "\n\n" nil t) (point)))
6981 (goto-char (point-min))
6982 (delete-matching-lines "^Path:\\|^From ")
6985 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
6986 (gnus-newsgroup-ephemeral-ignored-charsets
6987 gnus-newsgroup-ignored-charsets))
6988 (gnus-group-read-ephemeral-group
6989 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6991 ,(if force 'mbox 'guess))) t))
6992 ;; Make all postings to this group go to the parent group.
6993 (nconc (gnus-info-params (gnus-get-info name))
6995 ;; Couldn't select this doc group.
6996 (switch-to-buffer buf)
6997 (gnus-set-global-variables)
6998 (gnus-configure-windows 'summary)
6999 (gnus-message 3 "Article couldn't be entered?"))
7000 (kill-buffer dig)))))
7002 (defun gnus-summary-read-document (n)
7003 "Open a new group based on the current article(s).
7004 This will allow you to read digests and other similar
7005 documents as newsgroups.
7006 Obeys the standard process/prefix convention."
7008 (let* ((articles (gnus-summary-work-articles n))
7009 (ogroup gnus-newsgroup-name)
7010 (params (append (gnus-info-params (gnus-get-info ogroup))
7011 (list (cons 'to-group ogroup))))
7012 article group egroup groups vgroup)
7013 (while (setq article (pop articles))
7014 (setq group (format "%s-%d" gnus-newsgroup-name article))
7015 (gnus-summary-remove-process-mark article)
7016 (when (gnus-summary-display-article article)
7019 (insert-buffer-substring gnus-original-article-buffer)
7020 ;; Remove some headers that may lead nndoc to make
7022 (message-narrow-to-head)
7023 (goto-char (point-min))
7024 (delete-matching-lines "^\\(Path\\):\\|^From ")
7027 (gnus-group-read-ephemeral-group
7028 group `(nndoc ,group (nndoc-address ,(current-buffer))
7029 (nndoc-article-type guess))
7032 ;; Make all postings to this group go to the parent group.
7033 (nconc (gnus-info-params (gnus-get-info egroup))
7035 (push egroup groups))
7036 ;; Couldn't select this doc group.
7037 (gnus-error 3 "Article couldn't be entered"))))))
7038 ;; Now we have selected all the documents.
7041 (error "None of the articles could be interpreted as documents"))
7042 ((gnus-group-read-ephemeral-group
7043 (setq vgroup (format
7044 "nnvirtual:%s-%s" gnus-newsgroup-name
7045 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7046 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7048 (cons (current-buffer) 'summary)))
7050 (error "Couldn't select virtual nndoc group")))))
7052 (defun gnus-summary-isearch-article (&optional regexp-p)
7053 "Do incremental search forward on the current article.
7054 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7056 (let* ((gnus-inhibit-treatment t)
7057 (old (gnus-summary-select-article)))
7058 (gnus-configure-windows 'article)
7059 (gnus-eval-in-buffer-window gnus-article-buffer
7063 (gnus-article-show-all-headers))
7064 (goto-char (point-min))
7065 (isearch-forward regexp-p)))))
7067 (defun gnus-summary-search-article-forward (regexp &optional backward)
7068 "Search for an article containing REGEXP forward.
7069 If BACKWARD, search backward instead."
7072 (format "Search article %s (regexp%s): "
7073 (if current-prefix-arg "backward" "forward")
7074 (if gnus-last-search-regexp
7075 (concat ", default " gnus-last-search-regexp)
7077 current-prefix-arg))
7078 (if (string-equal regexp "")
7079 (setq regexp (or gnus-last-search-regexp ""))
7080 (setq gnus-last-search-regexp regexp))
7081 (if (gnus-summary-search-article regexp backward)
7082 (gnus-summary-show-thread)
7083 (error "Search failed: \"%s\"" regexp)))
7085 (defun gnus-summary-search-article-backward (regexp)
7086 "Search for an article containing REGEXP backward."
7089 (format "Search article backward (regexp%s): "
7090 (if gnus-last-search-regexp
7091 (concat ", default " gnus-last-search-regexp)
7093 (gnus-summary-search-article-forward regexp 'backward))
7096 (defmacro gnus-summary-search-article-position-point (regexp backward)
7097 "Dehighlight the last matched text and goto the beginning position."
7098 (` (if (and gnus-summary-search-article-matched-data
7099 (let ((text (caddr gnus-summary-search-article-matched-data))
7100 (inhibit-read-only t)
7103 (goto-char (car gnus-summary-search-article-matched-data))
7104 (cadr gnus-summary-search-article-matched-data))
7106 (string-match (, regexp) text)))
7107 (if (, backward) (beginning-of-line) (end-of-line))
7108 (goto-char (if (, backward) (point-max) (point-min))))))
7110 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
7111 "Place point where X-Face image is displayed."
7112 (if (featurep 'xemacs)
7113 (` (let ((end (if (search-forward "\n\n" nil t)
7114 (goto-char (1- (point)))
7117 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
7118 (unless (and (re-search-forward "^From:" end t)
7119 (setq extent (extent-at (point)))
7120 (extent-begin-glyph extent))
7121 (goto-char (, opoint)))))
7122 (` (let ((end (if (search-forward "\n\n" nil t)
7123 (goto-char (1- (point)))
7126 (or (text-property-any (or (search-backward "\n\n" nil t)
7128 end 'x-face-mule-bitmap-image t)
7131 (defmacro gnus-summary-search-article-highlight-matched-text
7132 (backward treated x-face)
7133 "Highlight matched text in the function `gnus-summary-search-article'."
7134 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
7135 (end (set-marker (make-marker) (match-end 0)))
7136 (inhibit-read-only t)
7140 (let ((items (mapcar 'car gnus-treatment-function-alist)))
7142 (lambda (item) (setq items (delq item items)))
7143 '(gnus-treat-buttonize
7144 gnus-treat-fill-article
7145 gnus-treat-fill-long-lines
7146 gnus-treat-emphasize
7147 gnus-treat-highlight-headers
7148 gnus-treat-highlight-citation
7149 gnus-treat-highlight-signature
7150 gnus-treat-overstrike
7151 gnus-treat-display-xface
7152 gnus-treat-buttonize-head
7153 gnus-treat-decode-article-as-default-mime-charset))
7154 (static-if (featurep 'xemacs)
7156 (cons '(x-face-mule-delete-x-face-field
7159 (gnus-treat-display-xface
7160 (when (, x-face) gnus-treat-display-xface)))
7161 (gnus-article-prepare-mime-display)))
7162 (goto-char (if (, backward) start end))
7164 (gnus-summary-search-article-highlight-goto-x-face (point)))
7165 (setq gnus-summary-search-article-matched-data
7166 (list start end (buffer-substring start end)))
7167 (unless (eq start end);; matched text has been deleted. :-<
7168 (put-text-property start end 'face
7169 (or (find-face 'isearch)
7170 'secondary-selection))))))
7173 (defun gnus-summary-search-article (regexp &optional backward)
7174 "Search for an article containing REGEXP.
7175 Optional argument BACKWARD means do search for backward.
7176 `gnus-select-article-hook' is not called during the search."
7177 ;; We have to require this here to make sure that the following
7178 ;; dynamic binding isn't shadowed by autoloading.
7179 (require 'gnus-async)
7181 (let ((gnus-select-article-hook nil) ;Disable hook.
7182 (gnus-article-display-hook nil)
7183 (gnus-article-prepare-hook nil)
7184 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7185 (gnus-use-article-prefetch nil)
7186 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7187 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7188 (sum (current-buffer))
7191 (gnus-save-hidden-threads
7192 (static-if (featurep 'xemacs)
7193 (let ((gnus-inhibit-treatment t))
7194 (setq treated (eq 'old (gnus-summary-select-article)))
7196 (not (and (gnus-buffer-live-p gnus-article-buffer)
7197 (window-live-p (get-buffer-window
7198 gnus-article-buffer t)))))
7199 (gnus-summary-select-article nil t)
7200 (setq treated nil)))
7201 (let ((gnus-inhibit-treatment t)
7202 (x-face-mule-delete-x-face-field 'never))
7203 (setq treated (eq 'old (gnus-summary-select-article)))
7206 (and (gnus-buffer-live-p gnus-article-buffer)
7207 (window-live-p (get-buffer-window
7208 gnus-article-buffer t))
7209 (or (not (string-match "^\\^X-Face:" regexp))
7210 (with-current-buffer gnus-article-buffer
7211 gnus-summary-search-article-matched-data)))))
7212 (gnus-summary-select-article nil t)
7213 (setq treated nil))))
7214 (set-buffer gnus-article-buffer)
7218 (gnus-article-show-all-headers)
7219 (gnus-summary-search-article-position-point regexp backward))
7220 (goto-char (if backward (point-max) (point-min))))
7222 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7224 (re-search-backward regexp nil t)
7225 (re-search-forward regexp nil t))
7226 ;; We found the regexp.
7228 (gnus-summary-search-article-highlight-matched-text
7229 backward treated (string-match "^\\^X-Face:" regexp))
7232 (/ (- 2 (window-height
7233 (get-buffer-window gnus-article-buffer t)))
7236 (get-buffer-window (current-buffer))
7239 (setq point (point)))
7240 ;; We didn't find it, so we go to the next article.
7243 (while (eq found 'not)
7244 (if (not (if backward (gnus-summary-find-prev)
7245 (gnus-summary-find-next)))
7246 ;; No more articles.
7248 ;; Select the next article and adjust point.
7249 (unless (gnus-summary-article-sparse-p
7250 (gnus-summary-article-number))
7252 (let ((gnus-inhibit-treatment t))
7253 (gnus-summary-select-article))
7255 (set-buffer gnus-article-buffer)
7257 (goto-char (if backward (point-max) (point-min))))))))
7258 (gnus-message 7 ""))
7259 ;; Return whether we found the regexp.
7260 (when (eq found 'found)
7262 (gnus-summary-show-thread)
7263 (gnus-summary-goto-subject gnus-current-article)
7264 (gnus-summary-position-point)
7267 (defun gnus-summary-find-matching (header regexp &optional backward unread
7269 "Return a list of all articles that match REGEXP on HEADER.
7270 The search stars on the current article and goes forwards unless
7271 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7272 If UNREAD is non-nil, only unread articles will
7273 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7274 in the comparisons."
7275 (let ((data (if (eq backward 'all) gnus-newsgroup-data
7276 (gnus-data-find-list
7277 (gnus-summary-article-number) (gnus-data-list backward))))
7278 (case-fold-search (not not-case-fold))
7281 (if (eq (car header) 'extra)
7284 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7286 (error "%s is an invalid header" header))
7287 (unless (fboundp (intern (concat "mail-header-" header)))
7288 (error "%s is not a valid header" header))
7289 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7292 (and (or (not unread) ; We want all articles...
7293 (gnus-data-unread-p d)) ; Or just unreads.
7294 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7295 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
7296 (push (gnus-data-number d) articles)) ; Success!
7297 (setq data (cdr data)))
7298 (nreverse articles)))
7300 (defun gnus-summary-execute-command (header regexp command &optional backward)
7301 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7302 If HEADER is an empty string (or nil), the match is done on the entire
7303 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7305 (list (let ((completion-ignore-case t))
7308 (mapcar (lambda (string) (list string))
7309 '("Number" "Subject" "From" "Lines" "Date"
7310 "Message-ID" "Xref" "References" "Body"))
7311 nil 'require-match))
7312 (read-string "Regexp: ")
7313 (read-key-sequence "Command: ")
7314 current-prefix-arg))
7315 (when (equal header "Body")
7317 ;; Hidden thread subtrees must be searched as well.
7318 (gnus-summary-show-all-threads)
7319 ;; We don't want to change current point nor window configuration.
7321 (save-window-excursion
7322 (gnus-message 6 "Executing %s..." (key-description command))
7323 ;; We'd like to execute COMMAND interactively so as to give arguments.
7324 (gnus-execute header regexp
7325 `(call-interactively ',(key-binding command))
7327 (gnus-message 6 "Executing %s...done" (key-description command)))))
7329 (defun gnus-summary-beginning-of-article ()
7330 "Scroll the article back to the beginning."
7332 (gnus-summary-select-article)
7333 (gnus-configure-windows 'article)
7334 (gnus-eval-in-buffer-window gnus-article-buffer
7336 (goto-char (point-min))
7337 (when gnus-page-broken
7338 (gnus-narrow-to-page))))
7340 (defun gnus-summary-end-of-article ()
7341 "Scroll to the end of the article."
7343 (gnus-summary-select-article)
7344 (gnus-configure-windows 'article)
7345 (gnus-eval-in-buffer-window gnus-article-buffer
7347 (goto-char (point-max))
7349 (when gnus-page-broken
7350 (gnus-narrow-to-page))))
7352 (defun gnus-summary-print-article (&optional filename n)
7353 "Generate and print a PostScript image of the N next (mail) articles.
7355 If N is negative, print the N previous articles. If N is nil and articles
7356 have been marked with the process mark, print these instead.
7358 If the optional first argument FILENAME is nil, send the image to the
7359 printer. If FILENAME is a string, save the PostScript image in a file with
7360 that name. If FILENAME is a number, prompt the user for the name of the file
7362 (interactive (list (ps-print-preprint current-prefix-arg)
7363 current-prefix-arg))
7364 (dolist (article (gnus-summary-work-articles n))
7365 (gnus-summary-select-article nil nil 'pseudo article)
7366 (gnus-eval-in-buffer-window gnus-article-buffer
7367 (let ((buffer (generate-new-buffer " *print*")))
7370 (copy-to-buffer buffer (point-min) (point-max))
7372 (gnus-article-delete-invisible-text)
7373 (let ((ps-left-header
7376 (mail-header-subject gnus-current-headers) ")")
7378 (mail-header-from gnus-current-headers) ")")))
7381 "/pagenumberstring load"
7383 (mail-header-date gnus-current-headers) ")"))))
7384 (gnus-run-hooks 'gnus-ps-print-hook)
7386 (ps-print-buffer-with-faces filename))))
7387 (kill-buffer buffer))))))
7389 (defun gnus-summary-show-article (&optional arg)
7390 "Force re-fetching of the current article.
7391 If ARG (the prefix) is a number, show the article with the charset
7392 defined in `gnus-summary-show-article-charset-alist', or the charset
7394 If ARG (the prefix) is non-nil and not a number, show the raw article
7395 without any article massaging functions being run."
7399 (let ((gnus-newsgroup-charset
7400 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7401 (read-coding-system "Charset: ")))
7402 (gnus-newsgroup-ignored-charsets 'gnus-all))
7403 (gnus-summary-select-article nil 'force)
7404 (let ((deps gnus-newsgroup-dependencies)
7407 (set-buffer gnus-original-article-buffer)
7409 (message-narrow-to-head)
7410 (setq head (buffer-string)))
7412 (insert (format "211 %d Article retrieved.\n"
7413 (cdr gnus-article-current)))
7416 (let ((nntp-server-buffer (current-buffer)))
7417 (setq header (car (gnus-get-newsgroup-headers deps t))))))
7418 (gnus-data-set-header
7419 (gnus-data-find (cdr gnus-article-current))
7421 (gnus-summary-update-article-line
7422 (cdr gnus-article-current) header))))
7424 ;; Select the article the normal way.
7425 (gnus-summary-select-article nil 'force))
7427 ;; We have to require this here to make sure that the following
7428 ;; dynamic binding isn't shadowed by autoloading.
7429 (require 'gnus-async)
7431 ;; Bind the article treatment functions to nil.
7432 (let ((gnus-have-all-headers t)
7433 gnus-article-display-hook
7434 gnus-article-prepare-hook
7435 gnus-article-decode-hook
7438 (gnus-summary-select-article nil 'force))))
7439 (gnus-summary-goto-subject gnus-current-article)
7440 (gnus-summary-position-point))
7442 (defun gnus-summary-verbose-headers (&optional arg)
7443 "Toggle permanent full header display.
7444 If ARG is a positive number, turn header display on.
7445 If ARG is a negative number, turn header display off."
7447 (setq gnus-show-all-headers
7448 (cond ((or (not (numberp arg))
7450 (not gnus-show-all-headers))
7453 (gnus-summary-show-article))
7455 (defun gnus-summary-toggle-header (&optional arg)
7456 "Show the headers if they are hidden, or hide them if they are shown.
7457 If ARG is a positive number, show the entire header.
7458 If ARG is a negative number, hide the unwanted header lines."
7461 (set-buffer gnus-article-buffer)
7463 (let* ((buffer-read-only nil)
7464 (inhibit-point-motion-hooks t)
7470 (article-narrow-to-head)
7471 (gnus-article-hidden-text-p 'headers))))
7472 (goto-char (point-min))
7473 (when (search-forward "\n\n" nil t)
7474 (delete-region (point-min) (1- (point))))
7475 (goto-char (point-min))
7477 (set-buffer gnus-original-article-buffer)
7478 (goto-char (point-min))
7479 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7480 (insert-buffer-substring gnus-original-article-buffer 1 e)
7482 (narrow-to-region (point-min) (point))
7483 (article-decode-encoded-words)
7485 (let ((gnus-treat-hide-headers nil)
7486 (gnus-treat-hide-boring-headers nil))
7487 (setq gnus-article-wash-types
7488 (delq 'headers gnus-article-wash-types))
7489 (gnus-treat-article 'head))
7490 (gnus-treat-article 'head)))
7491 (gnus-set-mode-line 'article)))))
7493 (defun gnus-summary-show-all-headers ()
7494 "Make all header lines visible."
7496 (gnus-article-show-all-headers))
7498 (defun gnus-summary-toggle-mime (&optional arg)
7499 "Toggle MIME processing.
7500 If ARG is a positive number, turn MIME processing on."
7502 (setq gnus-show-mime
7504 (not gnus-show-mime)
7505 (> (prefix-numeric-value arg) 0)))
7506 (gnus-summary-select-article t 'force))
7508 (defun gnus-summary-caesar-message (&optional arg)
7509 "Caesar rotate the current article by 13.
7510 The numerical prefix specifies how many places to rotate each letter
7513 (gnus-summary-select-article)
7514 (let ((mail-header-separator ""))
7515 (gnus-eval-in-buffer-window gnus-article-buffer
7518 (let ((start (window-start))
7520 (message-caesar-buffer-body arg)
7521 (set-window-start (get-buffer-window (current-buffer)) start))))))
7523 (defun gnus-summary-stop-page-breaking ()
7524 "Stop page breaking in the current article."
7526 (gnus-summary-select-article)
7527 (gnus-eval-in-buffer-window gnus-article-buffer
7529 (when (gnus-visual-p 'page-marker)
7530 (let ((buffer-read-only nil))
7531 (gnus-remove-text-with-property 'gnus-prev)
7532 (gnus-remove-text-with-property 'gnus-next))
7533 (setq gnus-page-broken nil))))
7535 (defun gnus-summary-move-article (&optional n to-newsgroup
7536 select-method action)
7537 "Move the current article to a different newsgroup.
7538 If N is a positive number, move the N next articles.
7539 If N is a negative number, move the N previous articles.
7540 If N is nil and any articles have been marked with the process mark,
7541 move those articles instead.
7542 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7543 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7544 re-spool using this method.
7546 For this function to work, both the current newsgroup and the
7547 newsgroup that you want to move to have to support the `request-move'
7548 and `request-accept' functions.
7550 ACTION can be either `move' (the default), `crosspost' or `copy'."
7553 (setq action 'move))
7554 ;; Disable marking as read.
7555 (let (gnus-mark-article-hook)
7556 (save-window-excursion
7557 (gnus-summary-select-article)))
7558 ;; Check whether the source group supports the required functions.
7559 (cond ((and (eq action 'move)
7560 (not (gnus-check-backend-function
7561 'request-move-article gnus-newsgroup-name)))
7562 (error "The current group does not support article moving"))
7563 ((and (eq action 'crosspost)
7564 (not (gnus-check-backend-function
7565 'request-replace-article gnus-newsgroup-name)))
7566 (error "The current group does not support article editing")))
7567 (let ((articles (gnus-summary-work-articles n))
7568 (prefix (if (gnus-check-backend-function
7569 'request-move-article gnus-newsgroup-name)
7570 (gnus-group-real-prefix gnus-newsgroup-name)
7572 (names '((move "Move" "Moving")
7573 (copy "Copy" "Copying")
7574 (crosspost "Crosspost" "Crossposting")))
7575 (copy-buf (save-excursion
7576 (nnheader-set-temp-buffer " *copy article*")))
7577 (default-marks gnus-article-mark-lists)
7578 (no-expire-marks (delete '(expirable . expire)
7579 (copy-sequence gnus-article-mark-lists)))
7580 art-group to-method new-xref article to-groups)
7581 (unless (assq action names)
7582 (error "Unknown action %s" action))
7583 ;; Read the newsgroup name.
7584 (when (and (not to-newsgroup)
7585 (not select-method))
7587 (gnus-read-move-group-name
7588 (cadr (assq action names))
7589 (symbol-value (intern (format "gnus-current-%s-group" action)))
7591 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7592 (setq to-method (or select-method
7593 (gnus-server-to-method
7594 (gnus-group-method to-newsgroup))))
7595 ;; Check the method we are to move this article to...
7596 (unless (gnus-check-backend-function
7597 'request-accept-article (car to-method))
7598 (error "%s does not support article copying" (car to-method)))
7599 (unless (gnus-check-server to-method)
7600 (error "Can't open server %s" (car to-method)))
7601 (gnus-message 6 "%s to %s: %s..."
7602 (caddr (assq action names))
7603 (or (car select-method) to-newsgroup) articles)
7605 (setq article (pop articles))
7609 ;; Move the article.
7611 ;; Remove this article from future suppression.
7612 (gnus-dup-unsuppress-article article)
7613 (gnus-request-move-article
7614 article ; Article to move
7615 gnus-newsgroup-name ; From newsgroup
7616 (nth 1 (gnus-find-method-for-group
7617 gnus-newsgroup-name)) ; Server
7618 (list 'gnus-request-accept-article
7619 to-newsgroup (list 'quote select-method)
7620 (not articles) t) ; Accept form
7621 (not articles))) ; Only save nov last time
7622 ;; Copy the article.
7625 (set-buffer copy-buf)
7626 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7627 (gnus-request-accept-article
7628 to-newsgroup select-method (not articles) t))))
7629 ;; Crosspost the article.
7630 ((eq action 'crosspost)
7631 (let ((xref (message-tokenize-header
7632 (mail-header-xref (gnus-summary-article-header article))
7634 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7637 (setq xref (list (system-name))))
7640 (mapconcat 'identity
7641 (delete "Xref:" (delete new-xref xref))
7645 (set-buffer copy-buf)
7646 ;; First put the article in the destination group.
7647 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7648 (when (consp (setq art-group
7649 (gnus-request-accept-article
7650 to-newsgroup select-method (not articles))))
7651 (setq new-xref (concat new-xref " " (car art-group)
7652 ":" (cdr art-group)))
7653 ;; Now we have the new Xrefs header, so we insert
7654 ;; it and replace the new article.
7655 (nnheader-replace-header "Xref" new-xref)
7656 (gnus-request-replace-article
7657 (cdr art-group) to-newsgroup (current-buffer))
7661 (gnus-message 1 "Couldn't %s article %s: %s"
7662 (cadr (assq action names)) article
7663 (nnheader-get-report (car to-method))))
7664 ((eq art-group 'junk)
7665 (when (eq action 'move)
7666 (gnus-summary-mark-article article gnus-canceled-mark)
7667 (gnus-message 4 "Deleted article %s" article)))
7669 (let* ((pto-group (gnus-group-prefixed-name
7670 (car art-group) to-method))
7672 (gnus-gethash pto-group gnus-newsrc-hashtb))
7673 (info (nth 2 entry))
7674 (to-group (gnus-info-group info))
7676 ;; Update the group that has been moved to.
7678 (memq action '(move copy)))
7679 (unless (member to-group to-groups)
7680 (push to-group to-groups))
7682 (unless (memq article gnus-newsgroup-unreads)
7683 (push 'read to-marks)
7685 info (gnus-add-to-range (gnus-info-read info)
7686 (list (cdr art-group)))))
7688 ;; See whether the article is to be put in the cache.
7689 (let ((marks (if (gnus-group-auto-expirable-p to-group)
7692 (to-article (cdr art-group)))
7694 ;; Enter the article into the cache in the new group,
7695 ;; if that is required.
7696 (when gnus-use-cache
7697 (gnus-cache-possibly-enter-article
7699 (let ((header (copy-sequence
7700 (gnus-summary-article-header article))))
7701 (mail-header-set-number header to-article)
7703 (memq article gnus-newsgroup-marked)
7704 (memq article gnus-newsgroup-dormant)
7705 (memq article gnus-newsgroup-unreads)))
7707 (when gnus-preserve-marks
7708 ;; Copy any marks over to the new group.
7709 (when (and (equal to-group gnus-newsgroup-name)
7710 (not (memq article gnus-newsgroup-unreads)))
7711 ;; Mark this article as read in this group.
7712 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7713 (setcdr (gnus-active to-group) to-article)
7714 (setcdr gnus-newsgroup-active to-article))
7717 (when (memq article (symbol-value
7718 (intern (format "gnus-newsgroup-%s"
7720 (push (cdar marks) to-marks)
7721 ;; If the other group is the same as this group,
7722 ;; then we have to add the mark to the list.
7723 (when (equal to-group gnus-newsgroup-name)
7724 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7727 (intern (format "gnus-newsgroup-%s"
7729 ;; Copy the marks to other group.
7730 (gnus-add-marked-articles
7731 to-group (cdar marks) (list to-article) info))
7732 (setq marks (cdr marks)))
7734 (gnus-request-set-mark to-group (list (list (list to-article)
7739 (concat "(gnus-group-set-info '"
7740 (gnus-prin1-to-string (gnus-get-info to-group))
7743 ;; Update the Xref header in this article to point to
7744 ;; the new crossposted article we have just created.
7745 (when (eq action 'crosspost)
7747 (set-buffer copy-buf)
7748 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7749 (nnheader-replace-header "Xref" new-xref)
7750 (gnus-request-replace-article
7751 article gnus-newsgroup-name (current-buffer)))))
7753 ;;;!!!Why is this necessary?
7754 (set-buffer gnus-summary-buffer)
7756 (gnus-summary-goto-subject article)
7757 (when (eq action 'move)
7758 (gnus-summary-mark-article article gnus-canceled-mark))))
7759 (gnus-summary-remove-process-mark article))
7760 ;; Re-activate all groups that have been moved to.
7763 (set-buffer gnus-group-buffer)
7764 (when (gnus-group-goto-group (car to-groups) t)
7765 (gnus-group-get-new-news-this-group 1 t))
7768 (gnus-kill-buffer copy-buf)
7769 (gnus-summary-position-point)
7770 (gnus-set-mode-line 'summary)))
7772 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7773 "Move the current article to a different newsgroup.
7774 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7775 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7776 re-spool using this method."
7778 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7780 (defun gnus-summary-crosspost-article (&optional n)
7781 "Crosspost the current article to some other group."
7783 (gnus-summary-move-article n nil nil 'crosspost))
7785 (defcustom gnus-summary-respool-default-method nil
7786 "Default method for respooling an article.
7787 If nil, use to the current newsgroup method."
7788 :type '(choice (gnus-select-method :value (nnml ""))
7790 :group 'gnus-summary-mail)
7792 (defun gnus-summary-respool-article (&optional n method)
7793 "Respool the current article.
7794 The article will be squeezed through the mail spooling process again,
7795 which means that it will be put in some mail newsgroup or other
7796 depending on `nnmail-split-methods'.
7797 If N is a positive number, respool the N next articles.
7798 If N is a negative number, respool the N previous articles.
7799 If N is nil and any articles have been marked with the process mark,
7800 respool those articles instead.
7802 Respooling can be done both from mail groups and \"real\" newsgroups.
7803 In the former case, the articles in question will be moved from the
7804 current group into whatever groups they are destined to. In the
7805 latter case, they will be copied into the relevant groups."
7807 (list current-prefix-arg
7808 (let* ((methods (gnus-methods-using 'respool))
7810 (symbol-name (or gnus-summary-respool-default-method
7811 (car (gnus-find-method-for-group
7812 gnus-newsgroup-name)))))
7814 (gnus-completing-read
7815 methname "What backend do you want to use when respooling?"
7816 methods nil t nil 'gnus-mail-method-history))
7819 ((zerop (length (setq ms (gnus-servers-using-backend
7821 (list (intern method) ""))
7825 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7826 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7829 (error "No method given for respooling"))
7830 (if (assoc (symbol-name
7831 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7832 (gnus-methods-using 'respool))
7833 (gnus-summary-move-article n nil method)
7834 (gnus-summary-copy-article n nil method)))
7836 (defun gnus-summary-import-article (file)
7837 "Import an arbitrary file into a mail newsgroup."
7838 (interactive "fImport file: ")
7839 (let ((group gnus-newsgroup-name)
7840 (now (current-time))
7842 (unless (gnus-check-backend-function 'request-accept-article group)
7843 (error "%s does not support article importing" group))
7844 (or (file-readable-p file)
7845 (not (file-regular-p file))
7846 (error "Can't read %s" file))
7848 (set-buffer (gnus-get-buffer-create " *import file*"))
7850 (nnheader-insert-file-contents file)
7851 (goto-char (point-min))
7852 (unless (nnheader-article-p)
7853 ;; This doesn't look like an article, so we fudge some headers.
7854 (setq atts (file-attributes file)
7855 lines (count-lines (point-min) (point-max)))
7856 (insert "From: " (read-string "From: ") "\n"
7857 "Subject: " (read-string "Subject: ") "\n"
7858 "Date: " (message-make-date (nth 5 atts))
7860 "Message-ID: " (message-make-message-id) "\n"
7861 "Lines: " (int-to-string lines) "\n"
7862 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7863 (gnus-request-accept-article group nil t)
7864 (kill-buffer (current-buffer)))))
7866 (defun gnus-summary-article-posted-p ()
7867 "Say whether the current (mail) article is available from news as well.
7868 This will be the case if the article has both been mailed and posted."
7870 (let ((id (mail-header-references (gnus-summary-article-header)))
7871 (gnus-override-method (car (gnus-refer-article-methods))))
7872 (if (gnus-request-head id "")
7873 (gnus-message 2 "The current message was found on %s"
7874 gnus-override-method)
7875 (gnus-message 2 "The current message couldn't be found on %s"
7876 gnus-override-method)
7879 (defun gnus-summary-expire-articles (&optional now)
7880 "Expire all articles that are marked as expirable in the current group."
7882 (when (gnus-check-backend-function
7883 'request-expire-articles gnus-newsgroup-name)
7884 ;; This backend supports expiry.
7885 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7886 (expirable (if total
7888 ;; We need to update the info for
7889 ;; this group for `gnus-list-of-read-articles'
7890 ;; to give us the right answer.
7891 (gnus-run-hooks 'gnus-exit-group-hook)
7892 (gnus-summary-update-info)
7893 (gnus-list-of-read-articles gnus-newsgroup-name))
7894 (setq gnus-newsgroup-expirable
7895 (sort gnus-newsgroup-expirable '<))))
7896 (expiry-wait (if now 'immediate
7897 (gnus-group-find-parameter
7898 gnus-newsgroup-name 'expiry-wait)))
7899 (nnmail-expiry-target
7900 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
7901 nnmail-expiry-target))
7904 ;; There are expirable articles in this group, so we run them
7905 ;; through the expiry process.
7906 (gnus-message 6 "Expiring articles...")
7907 (unless (gnus-check-group gnus-newsgroup-name)
7908 (error "Can't open server for %s" gnus-newsgroup-name))
7909 ;; The list of articles that weren't expired is returned.
7912 (let ((nnmail-expiry-wait-function nil)
7913 (nnmail-expiry-wait expiry-wait))
7914 (setq es (gnus-request-expire-articles
7915 expirable gnus-newsgroup-name)))
7916 (setq es (gnus-request-expire-articles
7917 expirable gnus-newsgroup-name)))
7919 (setq gnus-newsgroup-expirable es))
7920 ;; We go through the old list of expirable, and mark all
7921 ;; really expired articles as nonexistent.
7922 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7923 (let ((gnus-use-cache nil))
7925 (unless (memq (car expirable) es)
7926 (when (gnus-data-find (car expirable))
7927 (gnus-summary-mark-article
7928 (car expirable) gnus-canceled-mark)))
7929 (setq expirable (cdr expirable))))))
7930 (gnus-message 6 "Expiring articles...done")))))
7932 (defun gnus-summary-expire-articles-now ()
7933 "Expunge all expirable articles in the current group.
7934 This means that *all* articles that are marked as expirable will be
7935 deleted forever, right now."
7937 (or gnus-expert-user
7939 "Are you really, really, really sure you want to delete all these messages? ")
7941 (gnus-summary-expire-articles t))
7943 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7944 (defun gnus-summary-delete-article (&optional n)
7945 "Delete the N next (mail) articles.
7946 This command actually deletes articles. This is not a marking
7947 command. The article will disappear forever from your life, never to
7949 If N is negative, delete backwards.
7950 If N is nil and articles have been marked with the process mark,
7951 delete these instead."
7953 (unless (gnus-check-backend-function 'request-expire-articles
7954 gnus-newsgroup-name)
7955 (error "The current newsgroup does not support article deletion"))
7956 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
7957 (error "Couldn't open server"))
7958 ;; Compute the list of articles to delete.
7959 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7961 (if (and gnus-novice-user
7962 (not (gnus-yes-or-no-p
7963 (format "Do you really want to delete %s forever? "
7964 (if (> (length articles) 1)
7965 (format "these %s articles" (length articles))
7968 ;; Delete the articles.
7969 (setq not-deleted (gnus-request-expire-articles
7970 articles gnus-newsgroup-name 'force))
7972 (gnus-summary-remove-process-mark (car articles))
7973 ;; The backend might not have been able to delete the article
7975 (unless (memq (car articles) not-deleted)
7976 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7977 (setq articles (cdr articles)))
7979 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7980 (gnus-summary-position-point)
7981 (gnus-set-mode-line 'summary)
7984 (defun gnus-summary-edit-article (&optional force)
7985 "Edit the current article.
7986 This will have permanent effect only in mail groups.
7987 If FORCE is non-nil, allow editing of articles even in read-only
7991 (set-buffer gnus-summary-buffer)
7992 (let ((mail-parse-charset gnus-newsgroup-charset)
7993 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
7994 (gnus-set-global-variables)
7995 (when (and (not force)
7996 (gnus-group-read-only-p))
7997 (error "The current newsgroup does not support article editing"))
7998 (gnus-summary-show-article t)
7999 (gnus-article-edit-article
8001 `(lambda (no-highlight)
8002 (let ((mail-parse-charset ',gnus-newsgroup-charset)
8003 (message-options message-options)
8004 (message-options-set-recipient)
8005 (mail-parse-ignored-charsets
8006 ',gnus-newsgroup-ignored-charsets))
8007 (gnus-summary-edit-article-done
8008 ,(or (mail-header-references gnus-current-headers) "")
8009 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
8011 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
8013 (defun gnus-summary-edit-article-done (&optional references read-only buffer
8015 "Make edits to the current article permanent."
8017 ;; Replace the article.
8018 (let ((buf (current-buffer)))
8020 (insert-buffer-substring buf)
8021 (if (and (not read-only)
8022 (not (gnus-request-replace-article
8023 (cdr gnus-article-current) (car gnus-article-current)
8024 (current-buffer) t)))
8025 (error "Couldn't replace article")
8026 ;; Update the summary buffer.
8028 (equal (message-tokenize-header references " ")
8029 (message-tokenize-header
8030 (or (message-fetch-field "references") "") " ")))
8031 ;; We only have to update this line.
8034 (message-narrow-to-head)
8035 (let ((head (buffer-string))
8038 (insert (format "211 %d Article retrieved.\n"
8039 (cdr gnus-article-current)))
8042 (let ((nntp-server-buffer (current-buffer)))
8043 (setq header (car (gnus-get-newsgroup-headers
8045 (set-buffer gnus-summary-buffer)
8046 gnus-newsgroup-dependencies)
8049 (set-buffer gnus-summary-buffer)
8050 (gnus-data-set-header
8051 (gnus-data-find (cdr gnus-article-current))
8053 (gnus-summary-update-article-line
8054 (cdr gnus-article-current) header))))))
8056 (set-buffer (or buffer gnus-summary-buffer))
8057 (gnus-summary-update-article (cdr gnus-article-current)))
8058 ;; Prettify the article buffer again.
8059 (unless no-highlight
8061 (set-buffer gnus-article-buffer)
8062 ;;;!!! Fix this -- article should be rehighlighted.
8063 ;;;(gnus-run-hooks 'gnus-article-display-hook)
8064 (set-buffer gnus-original-article-buffer)
8065 (gnus-request-article
8066 (cdr gnus-article-current)
8067 (car gnus-article-current) (current-buffer))))
8068 ;; Prettify the summary buffer line.
8069 (when (gnus-visual-p 'summary-highlight 'highlight)
8070 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
8072 (defun gnus-summary-edit-wash (key)
8073 "Perform editing command KEY in the article buffer."
8077 (message "%s" (concat (this-command-keys) "- "))
8080 (gnus-summary-edit-article)
8081 (execute-kbd-macro (concat (this-command-keys) key))
8082 (gnus-article-edit-done))
8086 (defun gnus-summary-respool-query (&optional silent trace)
8087 "Query where the respool algorithm would put this article."
8089 (let (gnus-mark-article-hook)
8090 (gnus-summary-select-article)
8092 (set-buffer gnus-original-article-buffer)
8094 (message-narrow-to-head)
8095 (let ((groups (nnmail-article-group 'identity trace)))
8098 (message "This message would go to %s"
8099 (mapconcat 'car groups ", "))
8100 (message "This message would go to no groups"))
8103 (defun gnus-summary-respool-trace ()
8104 "Trace where the respool algorithm would put this article.
8105 Display a buffer showing all fancy splitting patterns which matched."
8107 (gnus-summary-respool-query nil t))
8109 ;; Summary marking commands.
8111 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8112 "Mark articles which has the same subject as read, and then select the next.
8113 If UNMARK is positive, remove any kind of mark.
8114 If UNMARK is negative, tick articles."
8117 (setq unmark (prefix-numeric-value unmark)))
8119 (gnus-summary-mark-same-subject
8120 (gnus-summary-article-subject) unmark)))
8121 ;; Select next unread article. If auto-select-same mode, should
8122 ;; select the first unread article.
8123 (gnus-summary-next-article t (and gnus-auto-select-same
8124 (gnus-summary-article-subject)))
8125 (gnus-message 7 "%d article%s marked as %s"
8126 count (if (= count 1) " is" "s are")
8127 (if unmark "unread" "read"))))
8129 (defun gnus-summary-kill-same-subject (&optional unmark)
8130 "Mark articles which has the same subject as read.
8131 If UNMARK is positive, remove any kind of mark.
8132 If UNMARK is negative, tick articles."
8135 (setq unmark (prefix-numeric-value unmark)))
8137 (gnus-summary-mark-same-subject
8138 (gnus-summary-article-subject) unmark)))
8139 ;; If marked as read, go to next unread subject.
8141 ;; Go to next unread subject.
8142 (gnus-summary-next-subject 1 t))
8143 (gnus-message 7 "%d articles are marked as %s"
8144 count (if unmark "unread" "read"))))
8146 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8147 "Mark articles with same SUBJECT as read, and return marked number.
8148 If optional argument UNMARK is positive, remove any kinds of marks.
8149 If optional argument UNMARK is negative, mark articles as unread instead."
8153 ((null unmark) ; Mark as read.
8156 (gnus-summary-mark-article-as-read gnus-killed-mark)
8157 (gnus-summary-show-thread) t)
8158 (gnus-summary-find-subject subject))
8159 (setq count (1+ count))))
8160 ((> unmark 0) ; Tick.
8163 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8164 (gnus-summary-show-thread) t)
8165 (gnus-summary-find-subject subject))
8166 (setq count (1+ count))))
8167 (t ; Mark as unread.
8170 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8171 (gnus-summary-show-thread) t)
8172 (gnus-summary-find-subject subject))
8173 (setq count (1+ count)))))
8174 (gnus-set-mode-line 'summary)
8175 ;; Return the number of marked articles.
8178 (defun gnus-summary-mark-as-processable (n &optional unmark)
8179 "Set the process mark on the next N articles.
8180 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8181 the process mark instead. The difference between N and the actual
8182 number of articles marked is returned."
8184 (let ((backward (< n 0))
8189 (gnus-summary-remove-process-mark
8190 (gnus-summary-article-number))
8191 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8192 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8195 (gnus-message 7 "No more articles"))
8196 (gnus-summary-recenter)
8197 (gnus-summary-position-point)
8200 (defun gnus-summary-unmark-as-processable (n)
8201 "Remove the process mark from the next N articles.
8202 If N is negative, unmark backward instead. The difference between N and
8203 the actual number of articles unmarked is returned."
8205 (gnus-summary-mark-as-processable n t))
8207 (defun gnus-summary-unmark-all-processable ()
8208 "Remove the process mark from all articles."
8211 (while gnus-newsgroup-processable
8212 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8213 (gnus-summary-position-point))
8215 (defun gnus-summary-mark-as-expirable (n)
8216 "Mark N articles forward as expirable.
8217 If N is negative, mark backward instead. The difference between N and
8218 the actual number of articles marked is returned."
8220 (gnus-summary-mark-forward n gnus-expirable-mark))
8222 (defun gnus-summary-mark-article-as-replied (article)
8223 "Mark ARTICLE replied and update the summary line."
8224 (push article gnus-newsgroup-replied)
8225 (let ((buffer-read-only nil))
8226 (when (gnus-summary-goto-subject article nil t)
8227 (gnus-summary-update-secondary-mark article))))
8229 (defun gnus-summary-set-bookmark (article)
8230 "Set a bookmark in current article."
8231 (interactive (list (gnus-summary-article-number)))
8232 (when (or (not (get-buffer gnus-article-buffer))
8233 (not gnus-current-article)
8234 (not gnus-article-current)
8235 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8236 (error "No current article selected"))
8237 ;; Remove old bookmark, if one exists.
8238 (let ((old (assq article gnus-newsgroup-bookmarks)))
8240 (setq gnus-newsgroup-bookmarks
8241 (delq old gnus-newsgroup-bookmarks))))
8242 ;; Set the new bookmark, which is on the form
8243 ;; (article-number . line-number-in-body).
8247 (set-buffer gnus-article-buffer)
8251 (goto-char (point-min))
8252 (search-forward "\n\n" nil t)
8255 gnus-newsgroup-bookmarks)
8256 (gnus-message 6 "A bookmark has been added to the current article."))
8258 (defun gnus-summary-remove-bookmark (article)
8259 "Remove the bookmark from the current article."
8260 (interactive (list (gnus-summary-article-number)))
8261 ;; Remove old bookmark, if one exists.
8262 (let ((old (assq article gnus-newsgroup-bookmarks)))
8265 (setq gnus-newsgroup-bookmarks
8266 (delq old gnus-newsgroup-bookmarks))
8267 (gnus-message 6 "Removed bookmark."))
8268 (gnus-message 6 "No bookmark in current article."))))
8270 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8271 (defun gnus-summary-mark-as-dormant (n)
8272 "Mark N articles forward as dormant.
8273 If N is negative, mark backward instead. The difference between N and
8274 the actual number of articles marked is returned."
8276 (gnus-summary-mark-forward n gnus-dormant-mark))
8278 (defun gnus-summary-set-process-mark (article)
8279 "Set the process mark on ARTICLE and update the summary line."
8280 (setq gnus-newsgroup-processable
8282 (delq article gnus-newsgroup-processable)))
8283 (when (gnus-summary-goto-subject article)
8284 (gnus-summary-show-thread)
8285 (gnus-summary-goto-subject article)
8286 (gnus-summary-update-secondary-mark article)))
8288 (defun gnus-summary-remove-process-mark (article)
8289 "Remove the process mark from ARTICLE and update the summary line."
8290 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
8291 (when (gnus-summary-goto-subject article)
8292 (gnus-summary-show-thread)
8293 (gnus-summary-goto-subject article)
8294 (gnus-summary-update-secondary-mark article)))
8296 (defun gnus-summary-set-saved-mark (article)
8297 "Set the process mark on ARTICLE and update the summary line."
8298 (push article gnus-newsgroup-saved)
8299 (when (gnus-summary-goto-subject article)
8300 (gnus-summary-update-secondary-mark article)))
8302 (defun gnus-summary-mark-forward (n &optional mark no-expire)
8303 "Mark N articles as read forwards.
8304 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
8305 The difference between N and the actual number of articles marked is
8307 Iff NO-EXPIRE, auto-expiry will be inhibited."
8309 (gnus-summary-show-thread)
8310 (let ((backward (< n 0))
8311 (gnus-summary-goto-unread
8312 (and gnus-summary-goto-unread
8313 (not (eq gnus-summary-goto-unread 'never))
8314 (not (memq mark (list gnus-unread-mark
8315 gnus-ticked-mark gnus-dormant-mark)))))
8317 (mark (or mark gnus-del-mark)))
8319 (gnus-summary-mark-article nil mark no-expire)
8320 (zerop (gnus-summary-next-subject
8322 (and gnus-summary-goto-unread
8323 (not (eq gnus-summary-goto-unread 'never)))
8327 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
8328 (gnus-summary-recenter)
8329 (gnus-summary-position-point)
8330 (gnus-set-mode-line 'summary)
8333 (defun gnus-summary-mark-article-as-read (mark)
8334 "Mark the current article quickly as read with MARK."
8335 (let ((article (gnus-summary-article-number)))
8336 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8337 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8338 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8339 (push (cons article mark) gnus-newsgroup-reads)
8340 ;; Possibly remove from cache, if that is used.
8341 (when gnus-use-cache
8342 (gnus-cache-enter-remove-article article))
8343 ;; Allow the backend to change the mark.
8344 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8345 ;; Check for auto-expiry.
8346 (when (and gnus-newsgroup-auto-expire
8347 (memq mark gnus-auto-expirable-marks))
8348 (setq mark gnus-expirable-mark)
8349 ;; Let the backend know about the mark change.
8350 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8351 (push article gnus-newsgroup-expirable))
8352 ;; Set the mark in the buffer.
8353 (gnus-summary-update-mark mark 'unread)
8356 (defun gnus-summary-mark-article-as-unread (mark)
8357 "Mark the current article quickly as unread with MARK."
8358 (let* ((article (gnus-summary-article-number))
8359 (old-mark (gnus-summary-article-mark article)))
8360 ;; Allow the backend to change the mark.
8361 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8362 (if (eq mark old-mark)
8366 (gnus-error 1 "Can't mark negative article numbers")
8368 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8369 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8370 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
8371 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
8372 (cond ((= mark gnus-ticked-mark)
8373 (push article gnus-newsgroup-marked))
8374 ((= mark gnus-dormant-mark)
8375 (push article gnus-newsgroup-dormant))
8377 (push article gnus-newsgroup-unreads)))
8378 (gnus-pull article gnus-newsgroup-reads)
8380 ;; See whether the article is to be put in the cache.
8382 (vectorp (gnus-summary-article-header article))
8384 (gnus-cache-possibly-enter-article
8385 gnus-newsgroup-name article
8386 (gnus-summary-article-header article)
8387 (= mark gnus-ticked-mark)
8388 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8391 (gnus-summary-update-mark mark 'unread)
8394 (defun gnus-summary-mark-article (&optional article mark no-expire)
8395 "Mark ARTICLE with MARK. MARK can be any character.
8396 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
8397 `??' (dormant) and `?E' (expirable).
8398 If MARK is nil, then the default character `?r' is used.
8399 If ARTICLE is nil, then the article on the current line will be
8401 Iff NO-EXPIRE, auto-expiry will be inhibited."
8402 ;; The mark might be a string.
8403 (when (stringp mark)
8404 (setq mark (aref mark 0)))
8405 ;; If no mark is given, then we check auto-expiring.
8407 (setq mark gnus-del-mark))
8408 (when (and (not no-expire)
8409 gnus-newsgroup-auto-expire
8410 (memq mark gnus-auto-expirable-marks))
8411 (setq mark gnus-expirable-mark))
8412 (let ((article (or article (gnus-summary-article-number)))
8413 (old-mark (gnus-summary-article-mark article)))
8414 ;; Allow the backend to change the mark.
8415 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8416 (if (eq mark old-mark)
8419 (error "No article on current line"))
8420 (if (not (if (or (= mark gnus-unread-mark)
8421 (= mark gnus-ticked-mark)
8422 (= mark gnus-dormant-mark))
8423 (gnus-mark-article-as-unread article mark)
8424 (gnus-mark-article-as-read article mark)))
8426 ;; See whether the article is to be put in the cache.
8428 (not (= mark gnus-canceled-mark))
8429 (vectorp (gnus-summary-article-header article))
8431 (gnus-cache-possibly-enter-article
8432 gnus-newsgroup-name article
8433 (gnus-summary-article-header article)
8434 (= mark gnus-ticked-mark)
8435 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8437 (when (gnus-summary-goto-subject article nil t)
8438 (let ((buffer-read-only nil))
8439 (gnus-summary-show-thread)
8441 (gnus-summary-update-mark mark 'unread)
8444 (defun gnus-summary-update-secondary-mark (article)
8445 "Update the secondary (read, process, cache) mark."
8446 (gnus-summary-update-mark
8447 (cond ((memq article gnus-newsgroup-processable)
8449 ((memq article gnus-newsgroup-cached)
8451 ((memq article gnus-newsgroup-replied)
8453 ((memq article gnus-newsgroup-saved)
8455 (t gnus-unread-mark))
8457 (when (gnus-visual-p 'summary-highlight 'highlight)
8458 (gnus-run-hooks 'gnus-summary-update-hook))
8461 (defun gnus-summary-update-mark (mark type)
8462 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8463 (buffer-read-only nil))
8464 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8466 (when (looking-at "\r")
8468 (when (<= (+ forward (point)) (point-max))
8469 ;; Go to the right position on the line.
8470 (goto-char (+ forward (point)))
8471 ;; Replace the old mark with the new mark.
8472 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8473 ;; Optionally update the marks by some user rule.
8474 (when (eq type 'unread)
8476 (gnus-data-find (gnus-summary-article-number)) mark)
8477 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8479 (defun gnus-mark-article-as-read (article &optional mark)
8480 "Enter ARTICLE in the pertinent lists and remove it from others."
8481 ;; Make the article expirable.
8482 (let ((mark (or mark gnus-del-mark)))
8483 (if (= mark gnus-expirable-mark)
8484 (push article gnus-newsgroup-expirable)
8485 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8486 ;; Remove from unread and marked lists.
8487 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8488 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8489 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8490 (push (cons article mark) gnus-newsgroup-reads)
8491 ;; Possibly remove from cache, if that is used.
8492 (when gnus-use-cache
8493 (gnus-cache-enter-remove-article article))
8496 (defun gnus-mark-article-as-unread (article &optional mark)
8497 "Enter ARTICLE in the pertinent lists and remove it from others."
8498 (let ((mark (or mark gnus-ticked-mark)))
8501 (gnus-error 1 "Can't mark negative article numbers")
8503 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8504 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8505 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8506 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8508 ;; Unsuppress duplicates?
8509 (when gnus-suppress-duplicates
8510 (gnus-dup-unsuppress-article article))
8512 (cond ((= mark gnus-ticked-mark)
8513 (push article gnus-newsgroup-marked))
8514 ((= mark gnus-dormant-mark)
8515 (push article gnus-newsgroup-dormant))
8517 (push article gnus-newsgroup-unreads)))
8518 (gnus-pull article gnus-newsgroup-reads)
8521 (defalias 'gnus-summary-mark-as-unread-forward
8522 'gnus-summary-tick-article-forward)
8523 (make-obsolete 'gnus-summary-mark-as-unread-forward
8524 'gnus-summary-tick-article-forward)
8525 (defun gnus-summary-tick-article-forward (n)
8526 "Tick N articles forwards.
8527 If N is negative, tick backwards instead.
8528 The difference between N and the number of articles ticked is returned."
8530 (gnus-summary-mark-forward n gnus-ticked-mark))
8532 (defalias 'gnus-summary-mark-as-unread-backward
8533 'gnus-summary-tick-article-backward)
8534 (make-obsolete 'gnus-summary-mark-as-unread-backward
8535 'gnus-summary-tick-article-backward)
8536 (defun gnus-summary-tick-article-backward (n)
8537 "Tick N articles backwards.
8538 The difference between N and the number of articles ticked is returned."
8540 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8542 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8543 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8544 (defun gnus-summary-tick-article (&optional article clear-mark)
8545 "Mark current article as unread.
8546 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8547 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8549 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8552 (defun gnus-summary-mark-as-read-forward (n)
8553 "Mark N articles as read forwards.
8554 If N is negative, mark backwards instead.
8555 The difference between N and the actual number of articles marked is
8558 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8560 (defun gnus-summary-mark-as-read-backward (n)
8561 "Mark the N articles as read backwards.
8562 The difference between N and the actual number of articles marked is
8565 (gnus-summary-mark-forward
8566 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8568 (defun gnus-summary-mark-as-read (&optional article mark)
8569 "Mark current article as read.
8570 ARTICLE specifies the article to be marked as read.
8571 MARK specifies a string to be inserted at the beginning of the line."
8572 (gnus-summary-mark-article article mark))
8574 (defun gnus-summary-clear-mark-forward (n)
8575 "Clear marks from N articles forward.
8576 If N is negative, clear backward instead.
8577 The difference between N and the number of marks cleared is returned."
8579 (gnus-summary-mark-forward n gnus-unread-mark))
8581 (defun gnus-summary-clear-mark-backward (n)
8582 "Clear marks from N articles backward.
8583 The difference between N and the number of marks cleared is returned."
8585 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8587 (defun gnus-summary-mark-unread-as-read ()
8588 "Intended to be used by `gnus-summary-mark-article-hook'."
8589 (when (memq gnus-current-article gnus-newsgroup-unreads)
8590 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8592 (defun gnus-summary-mark-read-and-unread-as-read ()
8593 "Intended to be used by `gnus-summary-mark-article-hook'."
8594 (let ((mark (gnus-summary-article-mark)))
8595 (when (or (gnus-unread-mark-p mark)
8596 (gnus-read-mark-p mark))
8597 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8599 (defun gnus-summary-mark-region-as-read (point mark all)
8600 "Mark all unread articles between point and mark as read.
8601 If given a prefix, mark all articles between point and mark as read,
8602 even ticked and dormant ones."
8603 (interactive "r\nP")
8612 (memq (setq article (gnus-summary-article-number))
8613 gnus-newsgroup-unreads))
8614 (gnus-summary-mark-article article gnus-del-mark))
8616 (gnus-summary-find-next))))))
8618 (defun gnus-summary-mark-below (score mark)
8619 "Mark articles with score less than SCORE with MARK."
8620 (interactive "P\ncMark: ")
8621 (setq score (if score
8622 (prefix-numeric-value score)
8623 (or gnus-summary-default-score 0)))
8625 (set-buffer gnus-summary-buffer)
8626 (goto-char (point-min))
8629 (and (< (gnus-summary-article-score) score)
8630 (gnus-summary-mark-article nil mark))
8631 (gnus-summary-find-next)))))
8633 (defun gnus-summary-kill-below (&optional score)
8634 "Mark articles with score below SCORE as read."
8636 (gnus-summary-mark-below score gnus-killed-mark))
8638 (defun gnus-summary-clear-above (&optional score)
8639 "Clear all marks from articles with score above SCORE."
8641 (gnus-summary-mark-above score gnus-unread-mark))
8643 (defun gnus-summary-tick-above (&optional score)
8644 "Tick all articles with score above SCORE."
8646 (gnus-summary-mark-above score gnus-ticked-mark))
8648 (defun gnus-summary-mark-above (score mark)
8649 "Mark articles with score over SCORE with MARK."
8650 (interactive "P\ncMark: ")
8651 (setq score (if score
8652 (prefix-numeric-value score)
8653 (or gnus-summary-default-score 0)))
8655 (set-buffer gnus-summary-buffer)
8656 (goto-char (point-min))
8658 (when (> (gnus-summary-article-score) score)
8659 (gnus-summary-mark-article nil mark))
8661 (gnus-summary-find-next)))))
8663 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8664 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8665 (defun gnus-summary-limit-include-expunged (&optional no-error)
8666 "Display all the hidden articles that were expunged for low scores."
8668 (let ((buffer-read-only nil))
8669 (let ((scored gnus-newsgroup-scored)
8672 (unless (gnus-summary-goto-subject (caar scored))
8673 (and (setq h (gnus-summary-article-header (caar scored)))
8674 (< (cdar scored) gnus-summary-expunge-below)
8676 (setq scored (cdr scored)))
8678 (when (not no-error)
8679 (error "No expunged articles hidden"))
8680 (goto-char (point-min))
8681 (gnus-summary-prepare-unthreaded (nreverse headers))
8682 (goto-char (point-min))
8683 (gnus-summary-position-point)
8686 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8687 "Mark all unread articles in this newsgroup as read.
8688 If prefix argument ALL is non-nil, ticked and dormant articles will
8689 also be marked as read.
8690 If QUIETLY is non-nil, no questions will be asked.
8691 If TO-HERE is non-nil, it should be a point in the buffer. All
8692 articles before this point will be marked as read.
8693 Note that this function will only catch up the unread article
8694 in the current summary buffer limitation.
8695 The number of articles marked as read is returned."
8700 (not gnus-interactive-catchup) ;Without confirmation?
8704 "Mark absolutely all articles as read? "
8705 "Mark all unread articles as read? ")))
8707 (not gnus-newsgroup-adaptive)
8708 (not gnus-newsgroup-auto-expire)
8709 (not gnus-suppress-duplicates)
8710 (or (not gnus-use-cache)
8711 (eq gnus-use-cache 'passive)))
8714 (setq gnus-newsgroup-marked nil
8715 gnus-newsgroup-dormant nil))
8716 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8717 ;; We actually mark all articles as canceled, which we
8718 ;; have to do when using auto-expiry or adaptive scoring.
8719 (gnus-summary-show-all-threads)
8720 (when (gnus-summary-first-subject (not all) t)
8722 (if to-here (< (point) to-here) t)
8723 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8724 (gnus-summary-find-next (not all) nil nil t))))
8725 (gnus-set-mode-line 'summary))
8727 (gnus-summary-position-point)))
8729 (defun gnus-summary-catchup-to-here (&optional all)
8730 "Mark all unticked articles before the current one as read.
8731 If ALL is non-nil, also mark ticked and dormant articles as read."
8734 (gnus-save-hidden-threads
8735 (let ((beg (point)))
8736 ;; We check that there are unread articles.
8737 (when (or all (gnus-summary-find-prev))
8738 (gnus-summary-catchup all t beg)))))
8739 (gnus-summary-position-point))
8741 (defun gnus-summary-catchup-all (&optional quietly)
8742 "Mark all articles in this newsgroup as read."
8744 (gnus-summary-catchup t quietly))
8746 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8747 "Mark all unread articles in this group as read, then exit.
8748 If prefix argument ALL is non-nil, all articles are marked as read."
8750 (when (gnus-summary-catchup all quietly nil 'fast)
8751 ;; Select next newsgroup or exit.
8752 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8753 (eq gnus-auto-select-next 'quietly))
8754 (gnus-summary-next-group nil)
8755 (gnus-summary-exit))))
8757 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8758 "Mark all articles in this newsgroup as read, and then exit."
8760 (gnus-summary-catchup-and-exit t quietly))
8762 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8763 "Mark all articles in this group as read and select the next group.
8764 If given a prefix, mark all articles, unread as well as ticked, as
8768 (gnus-summary-catchup all))
8769 (gnus-summary-next-group))
8775 (defmacro gnus-with-article (article &rest forms)
8776 "Select ARTICLE and perform FORMS in the original article buffer.
8777 Then replace the article with the result."
8779 ;; We don't want the article to be marked as read.
8780 (let (gnus-mark-article-hook)
8781 (gnus-summary-select-article t t nil ,article))
8782 (set-buffer gnus-original-article-buffer)
8784 (if (not (gnus-check-backend-function
8785 'request-replace-article (car gnus-article-current)))
8786 (gnus-message 5 "Read-only group; not replacing")
8787 (unless (gnus-request-replace-article
8788 ,article (car gnus-article-current)
8790 (error "Couldn't replace article")))
8791 ;; The cache and backlog have to be flushed somewhat.
8792 (when gnus-keep-backlog
8793 (gnus-backlog-remove-article
8794 (car gnus-article-current) (cdr gnus-article-current)))
8795 (when gnus-use-cache
8796 (gnus-cache-update-article
8797 (car gnus-article-current) (cdr gnus-article-current)))))
8799 (put 'gnus-with-article 'lisp-indent-function 1)
8800 (put 'gnus-with-article 'edebug-form-spec '(form body))
8802 ;; Thread-based commands.
8804 (defun gnus-summary-articles-in-thread (&optional article)
8805 "Return a list of all articles in the current thread.
8806 If ARTICLE is non-nil, return all articles in the thread that starts
8808 (let* ((article (or article (gnus-summary-article-number)))
8809 (data (gnus-data-find-list article))
8810 (top-level (gnus-data-level (car data)))
8812 (cond ((null gnus-thread-operation-ignore-subject)
8813 (gnus-simplify-subject-re
8814 (mail-header-subject (gnus-data-header (car data)))))
8815 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8816 (gnus-simplify-subject-fuzzy
8817 (mail-header-subject (gnus-data-header (car data)))))
8819 (end-point (save-excursion
8820 (if (gnus-summary-go-to-next-thread)
8821 (point) (point-max))))
8824 (< (gnus-data-pos (car data)) end-point))
8825 (when (or (not top-subject)
8826 (string= top-subject
8827 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8828 (gnus-simplify-subject-fuzzy
8829 (mail-header-subject
8830 (gnus-data-header (car data))))
8831 (gnus-simplify-subject-re
8832 (mail-header-subject
8833 (gnus-data-header (car data)))))))
8834 (push (gnus-data-number (car data)) articles))
8835 (unless (and (setq data (cdr data))
8836 (> (gnus-data-level (car data)) top-level))
8838 ;; Return the list of articles.
8839 (nreverse articles)))
8841 (defun gnus-summary-rethread-current ()
8842 "Rethread the thread the current article is part of."
8844 (let* ((gnus-show-threads t)
8845 (article (gnus-summary-article-number))
8846 (id (mail-header-id (gnus-summary-article-header)))
8847 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8849 (error "No article on the current line"))
8850 (gnus-rebuild-thread id)
8851 (gnus-summary-goto-subject article)))
8853 (defun gnus-summary-reparent-thread ()
8854 "Make the current article child of the marked (or previous) article.
8856 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8857 is non-nil or the Subject: of both articles are the same."
8859 (unless (not (gnus-group-read-only-p))
8860 (error "The current newsgroup does not support article editing"))
8861 (unless (<= (length gnus-newsgroup-processable) 1)
8862 (error "No more than one article may be marked"))
8863 (save-window-excursion
8864 (let ((gnus-article-buffer " *reparent*")
8865 (current-article (gnus-summary-article-number))
8866 ;; First grab the marked article, otherwise one line up.
8867 (parent-article (if (not (null gnus-newsgroup-processable))
8868 (car gnus-newsgroup-processable)
8870 (if (eq (forward-line -1) 0)
8871 (gnus-summary-article-number)
8872 (error "Beginning of summary buffer"))))))
8873 (unless (not (eq current-article parent-article))
8874 (error "An article may not be self-referential"))
8875 (let ((message-id (mail-header-id
8876 (gnus-summary-article-header parent-article))))
8877 (unless (and message-id (not (equal message-id "")))
8878 (error "No message-id in desired parent"))
8879 (gnus-with-article current-article
8881 (goto-char (point-min))
8882 (message-narrow-to-head)
8883 (if (re-search-forward "^References: " nil t)
8885 (re-search-forward "^[^ \t]" nil t)
8888 (insert " " message-id))
8889 (insert "References: " message-id "\n"))))
8890 (set-buffer gnus-summary-buffer)
8891 (gnus-summary-unmark-all-processable)
8892 (gnus-summary-update-article current-article)
8893 (gnus-summary-rethread-current)
8894 (gnus-message 3 "Article %d is now the child of article %d"
8895 current-article parent-article)))))
8897 (defun gnus-summary-toggle-threads (&optional arg)
8898 "Toggle showing conversation threads.
8899 If ARG is positive number, turn showing conversation threads on."
8901 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8902 (setq gnus-show-threads
8903 (if (null arg) (not gnus-show-threads)
8904 (> (prefix-numeric-value arg) 0)))
8905 (gnus-summary-prepare)
8906 (gnus-summary-goto-subject current)
8907 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8908 (gnus-summary-position-point)))
8910 (defun gnus-summary-show-all-threads ()
8914 (let ((buffer-read-only nil))
8915 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8916 (gnus-summary-position-point))
8918 (defun gnus-summary-show-thread ()
8919 "Show thread subtrees.
8920 Returns nil if no thread was there to be shown."
8922 (let ((buffer-read-only nil)
8924 ;; first goto end then to beg, to have point at beg after let
8925 (end (progn (end-of-line) (point)))
8926 (beg (progn (beginning-of-line) (point))))
8928 ;; Any hidden lines here?
8929 (search-forward "\r" end t)
8930 (subst-char-in-region beg end ?\^M ?\n t)
8932 (gnus-summary-position-point))))
8934 (defun gnus-summary-hide-all-threads ()
8935 "Hide all thread subtrees."
8938 (goto-char (point-min))
8939 (gnus-summary-hide-thread)
8940 (while (zerop (gnus-summary-next-thread 1 t))
8941 (gnus-summary-hide-thread)))
8942 (gnus-summary-position-point))
8944 (defun gnus-summary-hide-thread ()
8945 "Hide thread subtrees.
8946 Returns nil if no threads were there to be hidden."
8948 (let ((buffer-read-only nil)
8950 (article (gnus-summary-article-number)))
8952 ;; Go forward until either the buffer ends or the subthread
8954 (when (and (not (eobp))
8955 (or (zerop (gnus-summary-next-thread 1 t))
8956 (goto-char (point-max))))
8958 (if (and (> (point) start)
8959 (search-backward "\n" start t))
8961 (subst-char-in-region start (point) ?\n ?\^M)
8962 (gnus-summary-goto-subject article))
8966 (defun gnus-summary-go-to-next-thread (&optional previous)
8967 "Go to the same level (or less) next thread.
8968 If PREVIOUS is non-nil, go to previous thread instead.
8969 Return the article number moved to, or nil if moving was impossible."
8970 (let ((level (gnus-summary-thread-level))
8971 (way (if previous -1 1))
8974 (while (and (not (eobp))
8975 (< level (gnus-summary-thread-level)))
8983 (gnus-summary-article-number)
8986 (defun gnus-summary-next-thread (n &optional silent)
8987 "Go to the same level next N'th thread.
8988 If N is negative, search backward instead.
8989 Returns the difference between N and the number of skips actually
8992 If SILENT, don't output messages."
8994 (let ((backward (< n 0))
8997 (gnus-summary-go-to-next-thread backward))
9000 (gnus-summary-position-point))
9001 (when (and (not silent) (/= 0 n))
9002 (gnus-message 7 "No more threads"))
9005 (defun gnus-summary-prev-thread (n)
9006 "Go to the same level previous N'th thread.
9007 Returns the difference between N and the number of skips actually
9010 (gnus-summary-next-thread (- n)))
9012 (defun gnus-summary-go-down-thread ()
9013 "Go down one level in the current thread."
9014 (let ((children (gnus-summary-article-children)))
9016 (gnus-summary-goto-subject (car children)))))
9018 (defun gnus-summary-go-up-thread ()
9019 "Go up one level in the current thread."
9020 (let ((parent (gnus-summary-article-parent)))
9022 (gnus-summary-goto-subject parent))))
9024 (defun gnus-summary-down-thread (n)
9025 "Go down thread N steps.
9026 If N is negative, go up instead.
9027 Returns the difference between N and how many steps down that were
9033 (if up (gnus-summary-go-up-thread)
9034 (gnus-summary-go-down-thread)))
9036 (gnus-summary-position-point)
9038 (gnus-message 7 "Can't go further"))
9041 (defun gnus-summary-up-thread (n)
9042 "Go up thread N steps.
9043 If N is negative, go up instead.
9044 Returns the difference between N and how many steps down that were
9047 (gnus-summary-down-thread (- n)))
9049 (defun gnus-summary-top-thread ()
9050 "Go to the top of the thread."
9052 (while (gnus-summary-go-up-thread))
9053 (gnus-summary-article-number))
9055 (defun gnus-summary-kill-thread (&optional unmark)
9056 "Mark articles under current thread as read.
9057 If the prefix argument is positive, remove any kinds of marks.
9058 If the prefix argument is negative, tick articles instead."
9061 (setq unmark (prefix-numeric-value unmark)))
9062 (let ((articles (gnus-summary-articles-in-thread)))
9064 ;; Expand the thread.
9065 (gnus-summary-show-thread)
9066 ;; Mark all the articles.
9068 (gnus-summary-goto-subject (car articles))
9069 (cond ((null unmark)
9070 (gnus-summary-mark-article-as-read gnus-killed-mark))
9072 (gnus-summary-mark-article-as-unread gnus-unread-mark))
9074 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
9075 (setq articles (cdr articles))))
9076 ;; Hide killed subtrees.
9078 gnus-thread-hide-killed
9079 (gnus-summary-hide-thread))
9080 ;; If marked as read, go to next unread subject.
9082 ;; Go to next unread subject.
9083 (gnus-summary-next-subject 1 t)))
9084 (gnus-set-mode-line 'summary))
9086 ;; Summary sorting commands
9088 (defun gnus-summary-sort-by-number (&optional reverse)
9089 "Sort the summary buffer by article number.
9090 Argument REVERSE means reverse order."
9092 (gnus-summary-sort 'number reverse))
9094 (defun gnus-summary-sort-by-author (&optional reverse)
9095 "Sort the summary buffer by author name alphabetically.
9096 If `case-fold-search' is non-nil, case of letters is ignored.
9097 Argument REVERSE means reverse order."
9099 (gnus-summary-sort 'author reverse))
9101 (defun gnus-summary-sort-by-subject (&optional reverse)
9102 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
9103 If `case-fold-search' is non-nil, case of letters is ignored.
9104 Argument REVERSE means reverse order."
9106 (gnus-summary-sort 'subject reverse))
9108 (defun gnus-summary-sort-by-date (&optional reverse)
9109 "Sort the summary buffer by date.
9110 Argument REVERSE means reverse order."
9112 (gnus-summary-sort 'date reverse))
9114 (defun gnus-summary-sort-by-score (&optional reverse)
9115 "Sort the summary buffer by score.
9116 Argument REVERSE means reverse order."
9118 (gnus-summary-sort 'score reverse))
9120 (defun gnus-summary-sort-by-lines (&optional reverse)
9121 "Sort the summary buffer by the number of lines.
9122 Argument REVERSE means reverse order."
9124 (gnus-summary-sort 'lines reverse))
9126 (defun gnus-summary-sort-by-chars (&optional reverse)
9127 "Sort the summary buffer by article length.
9128 Argument REVERSE means reverse order."
9130 (gnus-summary-sort 'chars reverse))
9132 (defun gnus-summary-sort (predicate reverse)
9133 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9134 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9135 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9136 (gnus-thread-sort-functions
9141 (gnus-sort-gathered-threads-function
9142 gnus-thread-sort-functions)
9143 (gnus-article-sort-functions
9149 (gnus-summary-prepare-hook nil))
9150 ;; We do the sorting by regenerating the threads.
9151 (gnus-summary-prepare)
9152 ;; Hide subthreads if needed.
9153 (when (and gnus-show-threads gnus-thread-hide-subtree)
9154 (gnus-summary-hide-all-threads))))
9156 ;; Summary saving commands.
9158 (defun gnus-summary-save-article (&optional n not-saved)
9159 "Save the current article using the default saver function.
9160 If N is a positive number, save the N next articles.
9161 If N is a negative number, save the N previous articles.
9162 If N is nil and any articles have been marked with the process mark,
9163 save those articles instead.
9164 The variable `gnus-default-article-saver' specifies the saver function."
9166 (let* ((articles (gnus-summary-work-articles n))
9167 (save-buffer (save-excursion
9168 (nnheader-set-temp-buffer " *Gnus Save*")))
9169 (num (length articles))
9171 (dolist (article articles)
9172 (setq header (gnus-summary-article-header article))
9173 (if (not (vectorp header))
9174 ;; This is a pseudo-article.
9175 (if (assq 'name header)
9176 (gnus-copy-file (cdr (assq 'name header)))
9177 (gnus-message 1 "Article %d is unsaveable" article))
9178 ;; This is a real article.
9179 (save-window-excursion
9180 (gnus-summary-select-article t nil nil article))
9182 (set-buffer save-buffer)
9184 (insert-buffer-substring gnus-original-article-buffer))
9185 (setq file (gnus-article-save save-buffer file num))
9186 (gnus-summary-remove-process-mark article)
9188 (gnus-summary-set-saved-mark article))))
9189 (gnus-kill-buffer save-buffer)
9190 (gnus-summary-position-point)
9191 (gnus-set-mode-line 'summary)
9194 (defun gnus-summary-pipe-output (&optional arg)
9195 "Pipe the current article to a subprocess.
9196 If N is a positive number, pipe the N next articles.
9197 If N is a negative number, pipe the N previous articles.
9198 If N is nil and any articles have been marked with the process mark,
9199 pipe those articles instead."
9201 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
9202 (gnus-summary-save-article arg t))
9203 (gnus-configure-windows 'pipe))
9205 (defun gnus-summary-save-article-mail (&optional arg)
9206 "Append the current article to an mail file.
9207 If N is a positive number, save the N next articles.
9208 If N is a negative number, save the N previous articles.
9209 If N is nil and any articles have been marked with the process mark,
9210 save those articles instead."
9212 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
9213 (gnus-summary-save-article arg)))
9215 (defun gnus-summary-save-article-rmail (&optional arg)
9216 "Append the current article to an rmail file.
9217 If N is a positive number, save the N next articles.
9218 If N is a negative number, save the N previous articles.
9219 If N is nil and any articles have been marked with the process mark,
9220 save those articles instead."
9222 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
9223 (gnus-summary-save-article arg)))
9225 (defun gnus-summary-save-article-file (&optional arg)
9226 "Append the current article to a file.
9227 If N is a positive number, save the N next articles.
9228 If N is a negative number, save the N previous articles.
9229 If N is nil and any articles have been marked with the process mark,
9230 save those articles instead."
9232 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
9233 (gnus-summary-save-article arg)))
9235 (defun gnus-summary-write-article-file (&optional arg)
9236 "Write the current article to a file, deleting the previous file.
9237 If N is a positive number, save the N next articles.
9238 If N is a negative number, save the N previous articles.
9239 If N is nil and any articles have been marked with the process mark,
9240 save those articles instead."
9242 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
9243 (gnus-summary-save-article arg)))
9245 (defun gnus-summary-save-article-body-file (&optional arg)
9246 "Append the current article body to a file.
9247 If N is a positive number, save the N next articles.
9248 If N is a negative number, save the N previous articles.
9249 If N is nil and any articles have been marked with the process mark,
9250 save those articles instead."
9252 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
9253 (gnus-summary-save-article arg)))
9255 (defun gnus-summary-pipe-message (program)
9256 "Pipe the current article through PROGRAM."
9257 (interactive "sProgram: ")
9258 (gnus-summary-select-article)
9259 (let ((mail-header-separator ""))
9260 (gnus-eval-in-buffer-window gnus-article-buffer
9263 (let ((start (window-start))
9265 (message-pipe-buffer-body program)
9266 (set-window-start (get-buffer-window (current-buffer)) start))))))
9268 (defun gnus-get-split-value (methods)
9269 "Return a value based on the split METHODS."
9270 (let (split-name method result match)
9273 (set-buffer gnus-original-article-buffer)
9275 (nnheader-narrow-to-headers)
9276 (while (and methods (not split-name))
9277 (goto-char (point-min))
9278 (setq method (pop methods))
9279 (setq match (car method))
9282 ;; Regular expression.
9284 (re-search-forward match nil t)))
9285 ((gnus-functionp match)
9289 (setq result (funcall match gnus-newsgroup-name))))
9294 (setq result (eval match)))))
9295 (setq split-name (cdr method))
9296 (cond ((stringp result)
9297 (push (expand-file-name
9298 result gnus-article-save-directory)
9301 (setq split-name (append result split-name)))))))))
9302 (nreverse split-name)))
9304 (defun gnus-valid-move-group-p (group)
9307 (symbol-value group)
9308 (gnus-get-function (gnus-find-method-for-group
9309 (symbol-name group)) 'request-accept-article t)))
9311 (defun gnus-read-move-group-name (prompt default articles prefix)
9312 "Read a group name."
9313 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
9314 (minibuffer-confirm-incomplete nil) ; XEmacs
9318 (if (> (length articles) 1)
9319 (format "these %d articles" (length articles))
9324 (gnus-completing-read default prom
9326 'gnus-valid-move-group-p
9328 'gnus-group-history))
9329 ((= 1 (length split-name))
9330 (gnus-completing-read (car split-name) prom
9332 'gnus-valid-move-group-p
9334 'gnus-group-history))
9336 (gnus-completing-read nil prom
9337 (mapcar (lambda (el) (list el))
9338 (nreverse split-name))
9340 'gnus-group-history))))
9341 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
9343 (if (or (string= to-newsgroup "")
9344 (string= to-newsgroup prefix))
9345 (setq to-newsgroup default))
9346 (unless to-newsgroup
9347 (error "No group name entered"))
9348 (or (gnus-active to-newsgroup)
9349 (gnus-activate-group to-newsgroup nil nil to-method)
9350 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
9352 (or (and (gnus-request-create-group to-newsgroup to-method)
9353 (gnus-activate-group
9354 to-newsgroup nil nil to-method)
9355 (gnus-subscribe-group to-newsgroup))
9356 (error "Couldn't create group %s" to-newsgroup)))
9357 (error "No such group: %s" to-newsgroup)))
9360 (defun gnus-summary-save-parts (type dir n &optional reverse)
9361 "Save parts matching TYPE to DIR.
9362 If REVERSE, save parts that do not match TYPE."
9364 (list (read-string "Save parts of type: "
9365 (or (car gnus-summary-save-parts-type-history)
9366 gnus-summary-save-parts-default-mime)
9367 'gnus-summary-save-parts-type-history)
9368 (setq gnus-summary-save-parts-last-directory
9369 (read-file-name "Save to directory: "
9370 gnus-summary-save-parts-last-directory
9372 current-prefix-arg))
9373 (gnus-summary-iterate n
9374 (let ((gnus-display-mime-function nil)
9375 (gnus-inhibit-treatment t))
9376 (gnus-summary-select-article))
9378 (set-buffer gnus-article-buffer)
9379 (let ((handles (or gnus-article-mime-handles
9380 (mm-dissect-buffer) (mm-uu-dissect))))
9382 (gnus-summary-save-parts-1 type dir handles reverse)
9383 (unless gnus-article-mime-handles ;; Don't destroy this case.
9384 (mm-destroy-parts handles)))))))
9386 (defun gnus-summary-save-parts-1 (type dir handle reverse)
9387 (if (stringp (car handle))
9388 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
9391 (not (string-match type (mm-handle-media-type handle)))
9392 (string-match type (mm-handle-media-type handle)))
9393 (let ((file (expand-file-name
9394 (file-name-nondirectory
9396 (mail-content-type-get
9397 (mm-handle-disposition handle) 'filename)
9398 (concat gnus-newsgroup-name
9399 "." (number-to-string
9400 (cdr gnus-article-current)))))
9402 (unless (file-exists-p file)
9403 (mm-save-part-to-file handle file))))))
9405 ;; Summary extract commands
9407 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
9408 (let ((buffer-read-only nil)
9409 (article (gnus-summary-article-number))
9411 (unless (gnus-summary-goto-subject article)
9412 (error "No such article: %d" article))
9413 (gnus-summary-position-point)
9414 ;; If all commands are to be bunched up on one line, we collect
9416 (unless gnus-view-pseudos-separately
9417 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
9420 (setq action (cdr (assq 'action (car ps))))
9421 (setq files (list (cdr (assq 'name (car ps)))))
9422 (while (and ps (cdr ps)
9423 (string= (or action "1")
9424 (or (cdr (assq 'action (cadr ps))) "2")))
9425 (push (cdr (assq 'name (cadr ps))) files)
9426 (setcdr ps (cddr ps)))
9428 (when (not (string-match "%s" action))
9431 (when (assq 'execute (car ps))
9432 (setcdr (assq 'execute (car ps))
9433 (funcall (if (string-match "%s" action)
9440 (gnus-quote-arg-for-sh-or-csh f)))
9442 (setq ps (cdr ps)))))
9443 (if (and gnus-view-pseudos (not not-view))
9445 (when (assq 'execute (car pslist))
9446 (gnus-execute-command (cdr (assq 'execute (car pslist)))
9447 (eq gnus-view-pseudos 'not-confirm)))
9448 (setq pslist (cdr pslist)))
9451 (setq after-article (or (cdr (assq 'article (car pslist)))
9452 (gnus-summary-article-number)))
9453 (gnus-summary-goto-subject after-article)
9456 (insert " " (file-name-nondirectory
9457 (cdr (assq 'name (car pslist))))
9458 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
9460 (forward-line -1) ; back to `b'
9461 (gnus-add-text-properties
9462 b (1- e) (list 'gnus-number gnus-reffed-article-number
9463 gnus-mouse-face-prop gnus-mouse-face))
9465 after-article gnus-reffed-article-number
9466 gnus-unread-mark b (car pslist) 0 (- e b))
9467 (push gnus-reffed-article-number gnus-newsgroup-unreads)
9468 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
9469 (setq pslist (cdr pslist)))))))
9471 (defun gnus-pseudos< (p1 p2)
9472 (let ((c1 (cdr (assq 'action p1)))
9473 (c2 (cdr (assq 'action p2))))
9474 (and c1 c2 (string< c1 c2))))
9476 (defun gnus-request-pseudo-article (props)
9477 (cond ((assq 'execute props)
9478 (gnus-execute-command (cdr (assq 'execute props)))))
9479 (let ((gnus-current-article (gnus-summary-article-number)))
9480 (gnus-run-hooks 'gnus-mark-article-hook)))
9482 (defun gnus-execute-command (command &optional automatic)
9484 (gnus-article-setup-buffer)
9485 (set-buffer gnus-article-buffer)
9486 (setq buffer-read-only nil)
9487 (let ((command (if automatic command
9488 (read-string "Command: " (cons command 0)))))
9490 (insert "$ " command "\n\n")
9491 (if gnus-view-pseudo-asynchronously
9492 (start-process "gnus-execute" (current-buffer) shell-file-name
9493 shell-command-switch command)
9494 (call-process shell-file-name nil t nil
9495 shell-command-switch command)))))
9497 ;; Summary kill commands.
9499 (defun gnus-summary-edit-global-kill (article)
9500 "Edit the \"global\" kill file."
9501 (interactive (list (gnus-summary-article-number)))
9502 (gnus-group-edit-global-kill article))
9504 (defun gnus-summary-edit-local-kill ()
9505 "Edit a local kill file applied to the current newsgroup."
9507 (setq gnus-current-headers (gnus-summary-article-header))
9508 (gnus-group-edit-local-kill
9509 (gnus-summary-article-number) gnus-newsgroup-name))
9513 (defun gnus-read-header (id &optional header)
9514 "Read the headers of article ID and enter them into the Gnus system."
9515 (let ((group gnus-newsgroup-name)
9516 (gnus-override-method
9518 gnus-override-method
9519 (and (gnus-news-group-p gnus-newsgroup-name)
9520 (car (gnus-refer-article-methods)))))
9522 ;; First we check to see whether the header in question is already
9525 ;; This is a Message-ID.
9526 (setq header (or header (gnus-id-to-header id)))
9527 ;; This is an article number.
9528 (setq header (or header (gnus-summary-article-header id))))
9530 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9531 ;; We have found the header.
9533 ;; If this is a sparse article, we have to nix out its
9534 ;; previous entry in the thread hashtb.
9536 (gnus-summary-article-sparse-p (mail-header-number header)))
9537 (let* ((parent (gnus-parent-id (mail-header-references header)))
9538 (thread (and parent (gnus-id-to-thread parent))))
9540 (delq (assq header thread) thread))))
9541 ;; We have to really fetch the header to this article.
9543 (set-buffer nntp-server-buffer)
9544 (when (setq where (gnus-request-head id group))
9545 (nnheader-fold-continuation-lines)
9546 (goto-char (point-max))
9548 (goto-char (point-min))
9552 ((cdr where) (cdr where))
9553 (header (mail-header-number header))
9554 (t gnus-reffed-article-number))
9556 (insert " Article retrieved.\n"))
9558 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9559 () ; Malformed head.
9560 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9561 (when (and (stringp id)
9562 (not (string= (gnus-group-real-name group)
9564 ;; If we fetched by Message-ID and the article came
9565 ;; from a different group, we fudge some bogus article
9566 ;; numbers for this article.
9567 (mail-header-set-number header gnus-reffed-article-number))
9569 (set-buffer gnus-summary-buffer)
9570 (decf gnus-reffed-article-number)
9571 (gnus-remove-header (mail-header-number header))
9572 (push header gnus-newsgroup-headers)
9573 (setq gnus-current-headers header)
9574 (push (mail-header-number header) gnus-newsgroup-limit)))
9577 (defun gnus-remove-header (number)
9578 "Remove header NUMBER from `gnus-newsgroup-headers'."
9579 (if (and gnus-newsgroup-headers
9580 (= number (mail-header-number (car gnus-newsgroup-headers))))
9581 (pop gnus-newsgroup-headers)
9582 (let ((headers gnus-newsgroup-headers))
9583 (while (and (cdr headers)
9584 (not (= number (mail-header-number (cadr headers)))))
9587 (setcdr headers (cddr headers))))))
9590 ;;; summary highlights
9593 (defun gnus-highlight-selected-summary ()
9594 "Highlight selected article in summary buffer."
9595 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9596 (when gnus-summary-selected-face
9598 (let* ((beg (progn (beginning-of-line) (point)))
9599 (end (progn (end-of-line) (point)))
9600 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9601 (from (if (get-text-property beg gnus-mouse-face-prop)
9603 (or (next-single-property-change
9604 beg gnus-mouse-face-prop nil end)
9609 (or (next-single-property-change
9610 from gnus-mouse-face-prop nil end)
9612 ;; If no mouse-face prop on line we will have to = from = end,
9613 ;; so we highlight the entire line instead.
9614 (when (= (+ to 2) from)
9617 (if gnus-newsgroup-selected-overlay
9618 ;; Move old overlay.
9620 gnus-newsgroup-selected-overlay from to (current-buffer))
9621 ;; Create new overlay.
9623 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9624 'face gnus-summary-selected-face))))))
9626 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9627 (defun gnus-summary-highlight-line ()
9628 "Highlight current line according to `gnus-summary-highlight'."
9629 (let* ((list gnus-summary-highlight)
9631 (end (progn (end-of-line) (point)))
9632 ;; now find out where the line starts and leave point there.
9633 (beg (progn (beginning-of-line) (point)))
9634 (article (gnus-summary-article-number))
9635 (score (or (cdr (assq (or article gnus-current-article)
9636 gnus-newsgroup-scored))
9637 gnus-summary-default-score 0))
9638 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9639 (inhibit-read-only t))
9640 ;; Eval the cars of the lists until we find a match.
9641 (let ((default gnus-summary-default-score))
9643 (not (eval (caar list))))
9644 (setq list (cdr list))))
9645 (let ((face (cdar list)))
9646 (unless (eq face (get-text-property beg 'face))
9647 (gnus-put-text-property-excluding-characters-with-faces
9649 (setq face (if (boundp face) (symbol-value face) face)))
9650 (when gnus-summary-highlight-line-function
9651 (funcall gnus-summary-highlight-line-function article face))))
9654 (defun gnus-update-read-articles (group unread &optional compute)
9655 "Update the list of read articles in GROUP."
9656 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9657 (entry (gnus-gethash group gnus-newsrc-hashtb))
9658 (info (nth 2 entry))
9660 (unread (sort (copy-sequence unread) '<))
9662 (if (or (not info) (not active))
9663 ;; There is no info on this group if it was, in fact,
9664 ;; killed. Gnus stores no information on killed groups, so
9665 ;; there's nothing to be done.
9666 ;; One could store the information somewhere temporarily,
9667 ;; perhaps... Hmmm...
9669 ;; Remove any negative articles numbers.
9670 (while (and unread (< (car unread) 0))
9671 (setq unread (cdr unread)))
9672 ;; Remove any expired article numbers
9673 (while (and unread (< (car unread) (car active)))
9674 (setq unread (cdr unread)))
9675 ;; Compute the ranges of read articles by looking at the list of
9678 (when (/= (car unread) prev)
9679 (push (if (= prev (1- (car unread))) prev
9680 (cons prev (1- (car unread))))
9682 (setq prev (1+ (car unread)))
9683 (setq unread (cdr unread)))
9684 (when (<= prev (cdr active))
9685 (push (cons prev (cdr active)) read))
9686 (setq read (if (> (length read) 1) (nreverse read) read))
9691 ;; Propagate the read marks to the backend.
9692 (when (gnus-check-backend-function 'request-set-mark group)
9693 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9694 (add (gnus-remove-from-range read (gnus-info-read info))))
9696 (unless (gnus-check-group group)
9697 (error "Can't open server for %s" group))
9698 (gnus-request-set-mark
9699 group (delq nil (list (if add (list add 'add '(read)))
9700 (if del (list del 'del '(read))))))
9702 `(gnus-request-set-mark
9705 (if del (list del 'add '(read)))
9706 (if add (list add 'del '(read))))))))))
9707 (set-buffer gnus-group-buffer)
9710 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9711 (gnus-info-set-read ',info ',(gnus-info-read info))
9712 (gnus-get-unread-articles-in-group ',info
9713 (gnus-active ,group))
9714 (gnus-group-update-group ,group t)
9716 ;; Enter this list into the group info.
9717 (gnus-info-set-read info read)
9718 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9719 (gnus-get-unread-articles-in-group info (gnus-active group))
9722 (defun gnus-offer-save-summaries ()
9723 "Offer to save all active summary buffers."
9725 (let ((buflist (buffer-list))
9727 ;; Go through all buffers and find all summaries.
9729 (and (setq bufname (buffer-name (car buflist)))
9730 (string-match "Summary" bufname)
9732 (set-buffer bufname)
9733 ;; We check that this is, indeed, a summary buffer.
9734 (and (eq major-mode 'gnus-summary-mode)
9735 ;; Also make sure this isn't bogus.
9736 gnus-newsgroup-prepared
9737 ;; Also make sure that this isn't a dead summary buffer.
9738 (not gnus-dead-summary-mode)))
9739 (push bufname buffers))
9740 (setq buflist (cdr buflist)))
9741 ;; Go through all these summary buffers and offer to save them.
9744 "Update summary buffer %s? "
9746 (switch-to-buffer buf)
9747 (gnus-summary-exit))
9751 ;;; @ for mime-partial
9754 (defun gnus-request-partial-message ()
9756 (let ((number (gnus-summary-article-number))
9757 (group gnus-newsgroup-name)
9758 (mother gnus-article-buffer))
9759 (set-buffer (get-buffer-create " *Partial Article*"))
9761 (setq mime-preview-buffer mother)
9762 (gnus-request-article-this-buffer number group)
9766 (autoload 'mime-combine-message/partial-pieces-automatically
9768 "Internal method to combine message/partial messages automatically.")
9771 'action '((type . message)(subtype . partial)
9772 (major-mode . gnus-original-article-mode)
9773 (method . mime-combine-message/partial-pieces-automatically)
9774 (summary-buffer-exp . gnus-summary-buffer)
9775 (request-partial-message-method . gnus-request-partial-message)
9779 ;;; @ for message/rfc822
9782 (defun gnus-mime-extract-message/rfc822 (entity situation)
9783 (let (group article num cwin swin cur)
9785 (mime-insert-entity-content entity)
9786 (setq group (or (cdr (assq 'group situation))
9787 (completing-read "Group: "
9790 (gnus-read-active-file-p)
9791 gnus-newsgroup-name))
9792 article (gnus-request-accept-article group)))
9793 (when (and (consp article)
9794 (numberp (setq article (cdr article))))
9795 (setq num (1+ (or (cdr (assq 'number situation)) 0))
9796 cwin (get-buffer-window (current-buffer) t))
9797 (save-window-excursion
9798 (if (setq swin (get-buffer-window gnus-summary-buffer t))
9799 (select-window swin)
9800 (set-buffer gnus-summary-buffer))
9801 (setq cur gnus-current-article)
9803 (let (gnus-show-threads)
9804 (gnus-summary-goto-subject article t))
9805 (gnus-summary-clear-mark-forward 1)
9806 (gnus-summary-goto-subject cur))
9807 (when (and cwin (window-frame cwin))
9808 (select-frame (window-frame cwin)))
9809 (when (boundp 'mime-acting-situation-to-override)
9810 (set-alist 'mime-acting-situation-to-override
9813 (set-alist 'mime-acting-situation-to-override
9816 (save-current-buffer
9817 (set-buffer gnus-group-buffer)
9818 (gnus-activate-group ,group))
9819 (gnus-summary-goto-article ,cur
9820 gnus-show-all-headers)))
9821 (set-alist 'mime-acting-situation-to-override
9825 'action '((type . message)(subtype . rfc822)
9826 (major-mode . gnus-original-article-mode)
9827 (method . gnus-mime-extract-message/rfc822)
9832 'action '((type . message)(subtype . news)
9833 (major-mode . gnus-original-article-mode)
9834 (method . gnus-mime-extract-message/rfc822)
9838 (defun gnus-mime-extract-multipart (entity situation)
9839 (let ((children (mime-entity-children entity))
9840 mime-acting-situation-to-override
9843 (mime-play-entity (car children)
9844 (cons (assq 'mode situation)
9845 mime-acting-situation-to-override))
9846 (setq children (cdr children)))
9847 (if (setq f (cdr (assq 'after-method
9848 mime-acting-situation-to-override)))
9853 'action '((type . multipart)
9854 (method . gnus-mime-extract-multipart)
9863 (defun gnus-summary-setup-default-charset ()
9864 "Setup newsgroup default charset."
9865 (if (equal gnus-newsgroup-name "nndraft:drafts")
9866 (setq gnus-newsgroup-charset nil)
9867 (let* ((name (and gnus-newsgroup-name
9868 (gnus-group-real-name gnus-newsgroup-name)))
9870 (or gnus-newsgroup-ephemeral-ignored-charsets
9872 (and gnus-newsgroup-name
9873 (or (gnus-group-find-parameter gnus-newsgroup-name
9874 'ignored-charsets t)
9875 (let ((alist gnus-group-ignored-charsets-alist)
9876 elem (charsets nil))
9877 (while (setq elem (pop alist))
9879 (string-match (car elem) name))
9881 charsets (cdr elem))))
9883 gnus-newsgroup-ignored-charsets))))
9884 (setq gnus-newsgroup-charset
9885 (or gnus-newsgroup-ephemeral-charset
9886 (and gnus-newsgroup-name
9887 (or (gnus-group-find-parameter gnus-newsgroup-name 'charset)
9888 (let ((alist gnus-group-charset-alist)
9890 (while (setq elem (pop alist))
9892 (string-match (car elem) name))
9894 charset (cadr elem))))
9896 gnus-default-charset))
9897 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
9898 ignored-charsets))))
9904 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9905 "Display the current article buffer fully MIME-buttonized.
9906 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9907 treated as multipart/mixed."
9910 (let ((gnus-unbuttonized-mime-types nil)
9911 (gnus-mime-display-multipart-as-mixed show-all-parts))
9912 (gnus-summary-show-article)))
9914 (defun gnus-summary-repair-multipart (article)
9915 "Add a Content-Type header to a multipart article without one."
9916 (interactive (list (gnus-summary-article-number)))
9917 (gnus-with-article article
9918 (message-narrow-to-head)
9919 (goto-char (point-max))
9921 (when (search-forward "\n--" nil t)
9922 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9923 (message-narrow-to-head)
9924 (message-remove-header "Mime-Version")
9925 (message-remove-header "Content-Type")
9926 (goto-char (point-max))
9927 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9929 (insert "Mime-Version: 1.0\n")
9931 (let (gnus-mark-article-hook)
9932 (gnus-summary-select-article t t nil article)))
9934 (defun gnus-summary-toggle-display-buttonized ()
9935 "Toggle the buttonizing of the article buffer."
9938 (if (setq gnus-inhibit-mime-unbuttonizing
9939 (not gnus-inhibit-mime-unbuttonizing))
9940 (let ((gnus-unbuttonized-mime-types nil))
9941 (gnus-summary-show-article))
9942 (gnus-summary-show-article)))
9945 ;;; Intelli-mouse commmands
9948 (defun gnus-wheel-summary-scroll (event)
9950 (let ((amount (if (memq 'shift (event-modifiers event))
9951 (car gnus-wheel-scroll-amount)
9952 (cdr gnus-wheel-scroll-amount)))
9953 (direction (- (* (static-if (featurep 'xemacs)
9954 (event-button event)
9955 (cond ((eq 'mouse-4 (event-basic-type event))
9957 ((eq 'mouse-5 (event-basic-type event))
9961 (gnus-summary-scroll-up (* amount direction))
9962 (when (gnus-eval-in-buffer-window gnus-article-buffer
9965 (and (if (< 0 direction)
9966 (gnus-article-next-page 0)
9967 (gnus-article-prev-page 0)
9969 (if (setq edge (get-text-property
9970 (point-min) 'gnus-wheel-edge))
9971 (setq edge (* edge direction))
9974 (let ((buffer-read-only nil)
9975 (inhibit-read-only t))
9976 (put-text-property (point-min) (point-max)
9977 'gnus-wheel-edge direction)
9979 (or (> edge gnus-wheel-edge-resistance)
9980 (let ((buffer-read-only nil)
9981 (inhibit-read-only t))
9982 (put-text-property (point-min) (point-max)
9984 (* (1+ edge) direction))
9986 (eq last-command 'gnus-wheel-summary-scroll))))
9987 (gnus-summary-next-article nil nil (minusp direction)))))
9989 (defun gnus-wheel-install ()
9990 "Enable mouse wheel support on summary window."
9991 (when gnus-use-wheel
9993 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
9995 (define-key gnus-summary-mode-map key
9996 'gnus-wheel-summary-scroll)))))
9998 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
10001 ;;; Traditional PGP commmands
10004 (defun gnus-summary-decrypt-article (&optional force)
10005 "Decrypt the current article in traditional PGP way.
10006 This will have permanent effect only in mail groups.
10007 If FORCE is non-nil, allow editing of articles even in read-only
10010 (gnus-summary-select-article t)
10011 (gnus-eval-in-buffer-window gnus-article-buffer
10015 (goto-char (point-min))
10016 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
10017 (error "Not a traditional PGP message!"))
10018 (let ((armor-start (match-beginning 0)))
10019 (if (and (pgg-decrypt-region armor-start (point-max))
10020 (or force (not (gnus-group-read-only-p))))
10021 (let ((inhibit-read-only t)
10023 (delete-region armor-start
10025 (re-search-forward "^-+END PGP" nil t)
10026 (beginning-of-line 2)
10028 (insert-buffer-substring pgg-output-buffer))))))))
10030 (defun gnus-summary-verify-article ()
10031 "Verify the current article in traditional PGP way."
10034 (set-buffer gnus-original-article-buffer)
10035 (goto-char (point-min))
10036 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
10037 (error "Not a traditional PGP message!"))
10038 (re-search-forward "^-+END PGP" nil t)
10039 (beginning-of-line 2)
10040 (call-interactively (function pgg-verify-region))))
10043 ;;; Generic summary marking commands
10046 (defvar gnus-summary-marking-alist
10047 '((read gnus-del-mark "d")
10048 (unread gnus-unread-mark "u")
10049 (ticked gnus-ticked-mark "!")
10050 (dormant gnus-dormant-mark "?")
10051 (expirable gnus-expirable-mark "e"))
10052 "An alist of names/marks/keystrokes.")
10054 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
10055 (defvar gnus-summary-mark-map)
10057 (defun gnus-summary-make-all-marking-commands ()
10058 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
10059 (dolist (elem gnus-summary-marking-alist)
10060 (apply 'gnus-summary-make-marking-command elem)))
10062 (defun gnus-summary-make-marking-command (name mark keystroke)
10063 (let ((map (make-sparse-keymap)))
10064 (define-key gnus-summary-generic-mark-map keystroke map)
10065 (dolist (lway `((next "next" next nil "n")
10066 (next-unread "next unread" next t "N")
10067 (prev "previous" prev nil "p")
10068 (prev-unread "previous unread" prev t "P")
10069 (nomove "" nil nil ,keystroke)))
10070 (let ((func (gnus-summary-make-marking-command-1
10071 mark (car lway) lway name)))
10072 (setq func (eval func))
10073 (define-key map (nth 4 lway) func)))))
10075 (defun gnus-summary-make-marking-command-1 (mark way lway name)
10077 (format "gnus-summary-put-mark-as-%s%s"
10078 name (if (eq way 'nomove)
10080 (concat "-" (symbol-name way)))))
10083 "Mark the current article as %s%s.
10084 If N, the prefix, then repeat N times.
10085 If N is negative, move in reverse order.
10086 The difference between N and the actual number of articles marked is
10088 name (car (cdr lway)))
10090 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
10092 (defun gnus-summary-generic-mark (n mark move unread)
10093 "Mark N articles with MARK."
10094 (unless (eq major-mode 'gnus-summary-mode)
10095 (error "This command can only be used in the summary buffer"))
10096 (gnus-summary-show-thread)
10099 ((eq move 'next) 1)
10100 ((eq move 'prev) -1)
10102 (if (zerop nummove)
10106 nummove (* -1 nummove))))
10107 (while (and (> n 0)
10108 (gnus-summary-mark-article nil mark)
10109 (zerop (gnus-summary-next-subject nummove unread t)))
10112 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10113 (gnus-summary-recenter)
10114 (gnus-summary-position-point)
10115 (gnus-set-mode-line 'summary)
10118 (gnus-summary-make-all-marking-commands)
10120 (gnus-ems-redefine)
10122 (provide 'gnus-sum)
10124 (run-hooks 'gnus-sum-load-hook)
10126 ;;; gnus-sum.el ends here