1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
32 (defvar tool-bar-mode))
45 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
46 (autoload 'gnus-cache-write-active "gnus-cache")
47 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
48 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
49 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
50 (autoload 'mm-uu-dissect "mm-uu")
51 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
52 "Deuglify broken Outlook (Express) articles and redisplay."
54 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
55 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
56 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
58 (defcustom gnus-kill-summary-on-exit t
59 "*If non-nil, kill the summary buffer when you exit from it.
60 If nil, the summary will become a \"*Dead Summary*\" buffer, and
61 it will be killed sometime later."
62 :group 'gnus-summary-exit
65 (defcustom gnus-fetch-old-headers nil
66 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
67 If an unread article in the group refers to an older, already
68 read (or just marked as read) article, the old article will not
69 normally be displayed in the Summary buffer. If this variable is
70 t, Gnus will attempt to grab the headers to the old articles, and
71 thereby build complete threads. If it has the value `some', all
72 old headers will be fetched but only enough headers to connect
73 otherwise loose threads will be displayed. This variable can
74 also be a number. In that case, no more than that number of old
75 headers will be fetched. If it has the value `invisible', all
76 old headers will be fetched, but none will be displayed.
78 The server has to support NOV for any of this to work.
80 This feature can seriously impact performance it ignores all
81 locally cached header entries."
83 :type '(choice (const :tag "off" nil)
88 (sexp :menu-tag "other" t)))
90 (defcustom gnus-refer-thread-limit 200
91 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
92 If t, fetch all the available old headers."
95 (sexp :menu-tag "other" t)))
97 (defcustom gnus-summary-make-false-root 'adopt
98 "*nil means that Gnus won't gather loose threads.
99 If the root of a thread has expired or been read in a previous
100 session, the information necessary to build a complete thread has been
101 lost. Instead of having many small sub-threads from this original thread
102 scattered all over the summary buffer, Gnus can gather them.
104 If non-nil, Gnus will try to gather all loose sub-threads from an
105 original thread into one large thread.
107 If this variable is non-nil, it should be one of `none', `adopt',
110 If this variable is `none', Gnus will not make a false root, but just
111 present the sub-threads after another.
112 If this variable is `dummy', Gnus will create a dummy root that will
113 have all the sub-threads as children.
114 If this variable is `adopt', Gnus will make one of the \"children\"
115 the parent and mark all the step-children as such.
116 If this variable is `empty', the \"children\" are printed with empty
117 subject fields. (Or rather, they will be printed with a string
118 given by the `gnus-summary-same-subject' variable.)"
120 :type '(choice (const :tag "off" nil)
126 (defcustom gnus-summary-make-false-root-always nil
127 "Always make a false dummy root."
132 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
133 "*A regexp to match subjects to be excluded from loose thread gathering.
134 As loose thread gathering is done on subjects only, that means that
135 there can be many false gatherings performed. By rooting out certain
136 common subjects, gathering might become saner."
140 (defcustom gnus-summary-gather-subject-limit nil
141 "*Maximum length of subject comparisons when gathering loose threads.
142 Use nil to compare full subjects. Setting this variable to a low
143 number will help gather threads that have been corrupted by
144 newsreaders chopping off subject lines, but it might also mean that
145 unrelated articles that have subject that happen to begin with the
146 same few characters will be incorrectly gathered.
148 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
151 :type '(choice (const :tag "off" nil)
153 (sexp :menu-tag "on" t)))
155 (defcustom gnus-simplify-subject-functions nil
156 "List of functions taking a string argument that simplify subjects.
157 The functions are applied recursively.
159 Useful functions to put in this list include:
160 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
161 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
163 :type '(repeat function))
165 (defcustom gnus-simplify-ignored-prefixes nil
166 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
168 :type '(choice (const :tag "off" nil)
171 (defcustom gnus-build-sparse-threads nil
172 "*If non-nil, fill in the gaps in threads.
173 If `some', only fill in the gaps that are needed to tie loose threads
174 together. If `more', fill in all leaf nodes that Gnus can find. If
175 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
177 :type '(choice (const :tag "off" nil)
180 (sexp :menu-tag "all" t)))
182 (defcustom gnus-summary-thread-gathering-function
183 'gnus-gather-threads-by-subject
184 "*Function used for gathering loose threads.
185 There are two pre-defined functions: `gnus-gather-threads-by-subject',
186 which only takes Subjects into consideration; and
187 `gnus-gather-threads-by-references', which compared the References
188 headers of the articles to find matches."
190 :type '(radio (function-item gnus-gather-threads-by-subject)
191 (function-item gnus-gather-threads-by-references)
192 (function :tag "other")))
194 (defcustom gnus-summary-same-subject ""
195 "*String indicating that the current article has the same subject as the previous.
196 This variable will only be used if the value of
197 `gnus-summary-make-false-root' is `empty'."
198 :group 'gnus-summary-format
201 (defcustom gnus-summary-goto-unread t
202 "*If t, many commands will go to the next unread article.
203 This applies to marking commands as well as other commands that
204 \"naturally\" select the next article, like, for instance, `SPC' at
205 the end of an article.
207 If nil, the marking commands do NOT go to the next unread article
208 \(they go to the next article instead). If `never', commands that
209 usually go to the next unread article, will go to the next article,
210 whether it is read or not."
211 :group 'gnus-summary-marks
212 :link '(custom-manual "(gnus)Setting Marks")
213 :type '(choice (const :tag "off" nil)
215 (sexp :menu-tag "on" t)))
217 (defcustom gnus-summary-default-score 0
218 "*Default article score level.
219 All scores generated by the score files will be added to this score.
220 If this variable is nil, scoring will be disabled."
221 :group 'gnus-score-default
222 :type '(choice (const :tag "disable")
225 (defcustom gnus-summary-default-high-score 0
226 "*Default threshold for a high scored article.
227 An article will be highlighted as high scored if its score is greater
230 :group 'gnus-score-default
233 (defcustom gnus-summary-default-low-score 0
234 "*Default threshold for a low scored article.
235 An article will be highlighted as low scored if its score is smaller
238 :group 'gnus-score-default
241 (defcustom gnus-summary-zcore-fuzz 0
242 "*Fuzziness factor for the zcore in the summary buffer.
243 Articles with scores closer than this to `gnus-summary-default-score'
245 :group 'gnus-summary-format
248 (defcustom gnus-simplify-subject-fuzzy-regexp nil
249 "*Strings to be removed when doing fuzzy matches.
250 This can either be a regular expression or list of regular expressions
251 that will be removed from subject strings if fuzzy subject
252 simplification is selected."
254 :type '(repeat regexp))
256 (defcustom gnus-show-threads t
257 "*If non-nil, display threads in summary mode."
261 (defcustom gnus-thread-hide-subtree nil
262 "*If non-nil, hide all threads initially.
263 This can be a predicate specifier which says which threads to hide.
264 If threads are hidden, you have to run the command
265 `gnus-summary-show-thread' by hand or select an article."
267 :type '(radio (sexp :format "Non-nil\n"
268 :match (lambda (widget value)
269 (not (or (consp value) (functionp value))))
272 (sexp :tag "Predicate specifier")))
274 (defcustom gnus-thread-hide-killed t
275 "*If non-nil, hide killed threads automatically."
279 (defcustom gnus-thread-ignore-subject t
280 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
281 If nil, articles that have different subjects from their parents will
282 start separate threads."
286 (defcustom gnus-thread-operation-ignore-subject t
287 "*If non-nil, subjects will be ignored when doing thread commands.
288 This affects commands like `gnus-summary-kill-thread' and
289 `gnus-summary-lower-thread'.
291 If this variable is nil, articles in the same thread with different
292 subjects will not be included in the operation in question. If this
293 variable is `fuzzy', only articles that have subjects that are fuzzily
294 equal will be included."
296 :type '(choice (const :tag "off" nil)
300 (defcustom gnus-thread-indent-level 4
301 "*Number that says how much each sub-thread should be indented."
305 (defcustom gnus-auto-extend-newsgroup t
306 "*If non-nil, extend newsgroup forward and backward when requested."
307 :group 'gnus-summary-choose
310 (defcustom gnus-auto-select-first t
311 "*If non-nil, select the article under point.
312 Which article this is is controlled by the `gnus-auto-select-subject'
315 If you want to prevent automatic selection of articles in some
316 newsgroups, set the variable to nil in `gnus-select-group-hook'."
317 :group 'gnus-group-select
318 :type '(choice (const :tag "none" nil)
319 (sexp :menu-tag "first" t)))
321 (defcustom gnus-auto-select-subject 'unread
322 "*Says what subject to place under point when entering a group.
324 This variable can either be the symbols `first' (place point on the
325 first subject), `unread' (place point on the subject line of the first
326 unread article), `best' (place point on the subject line of the
327 higest-scored article), `unseen' (place point on the subject line of
328 the first unseen article), `unseen-or-unread' (place point on the subject
329 line of the first unseen article or, if all article have been seen, on the
330 subject line of the first unread article), or a function to be called to
331 place point on some subject line."
333 :group 'gnus-group-select
334 :type '(choice (const best)
338 (const unseen-or-unread)))
340 (defcustom gnus-auto-select-next t
341 "*If non-nil, offer to go to the next group from the end of the previous.
342 If the value is t and the next newsgroup is empty, Gnus will exit
343 summary mode and go back to group mode. If the value is neither nil
344 nor t, Gnus will select the following unread newsgroup. In
345 particular, if the value is the symbol `quietly', the next unread
346 newsgroup will be selected without any confirmation, and if it is
347 `almost-quietly', the next group will be selected without any
348 confirmation if you are located on the last article in the group.
349 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
350 will go to the next group without confirmation."
351 :group 'gnus-summary-maneuvering
352 :type '(choice (const :tag "off" nil)
354 (const almost-quietly)
355 (const slightly-quietly)
356 (sexp :menu-tag "on" t)))
358 (defcustom gnus-auto-select-same nil
359 "*If non-nil, select the next article with the same subject.
360 If there are no more articles with the same subject, go to
361 the first unread article."
362 :group 'gnus-summary-maneuvering
365 (defcustom gnus-auto-goto-ignores 'unfetched
366 "*Says how to handle unfetched articles when maneuvering.
368 This variable can either be the symbols nil (maneuver to any
369 article), `undownloaded' (maneuvering while unplugged ignores articles
370 that have not been fetched), `always-undownloaded' (maneuvering always
371 ignores articles that have not been fetched), `unfetched' (maneuvering
372 ignores articles whose headers have not been fetched).
374 NOTE: The list of unfetched articles will always be nil when plugged
375 and, when unplugged, a subset of the undownloaded article list."
377 :group 'gnus-summary-maneuvering
378 :type '(choice (const :tag "None" nil)
379 (const :tag "Undownloaded when unplugged" undownloaded)
380 (const :tag "Undownloaded" always-undownloaded)
381 (const :tag "Unfetched" unfetched)))
383 (defcustom gnus-summary-check-current nil
384 "*If non-nil, consider the current article when moving.
385 The \"unread\" movement commands will stay on the same line if the
386 current article is unread."
387 :group 'gnus-summary-maneuvering
390 (defcustom gnus-auto-center-summary 2
391 "*If non-nil, always center the current summary buffer.
392 In particular, if `vertical' do only vertical recentering. If non-nil
393 and non-`vertical', do both horizontal and vertical recentering."
394 :group 'gnus-summary-maneuvering
395 :type '(choice (const :tag "none" nil)
397 (integer :tag "height")
398 (sexp :menu-tag "both" t)))
400 (defvar gnus-auto-center-group t
401 "*If non-nil, always center the group buffer.")
403 (defcustom gnus-show-all-headers nil
404 "*If non-nil, don't hide any headers."
405 :group 'gnus-article-hiding
406 :group 'gnus-article-headers
409 (defcustom gnus-summary-ignore-duplicates nil
410 "*If non-nil, ignore articles with identical Message-ID headers."
414 (defcustom gnus-single-article-buffer t
415 "*If non-nil, display all articles in the same buffer.
416 If nil, each group will get its own article buffer."
417 :group 'gnus-article-various
420 (defcustom gnus-break-pages t
421 "*If non-nil, do page breaking on articles.
422 The page delimiter is specified by the `gnus-page-delimiter'
424 :group 'gnus-article-various
427 (defcustom gnus-move-split-methods nil
428 "*Variable used to suggest where articles are to be moved to.
429 It uses the same syntax as the `gnus-split-methods' variable.
430 However, whereas `gnus-split-methods' specifies file names as targets,
431 this variable specifies group names."
432 :group 'gnus-summary-mail
433 :type '(repeat (choice (list :value (fun) function)
434 (cons :value ("" "") regexp (repeat string))
437 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
438 "Function used to compute default prefix for article move/copy/etc prompts.
439 The function should take one argument, a group name, and return a
440 string with the suggested prefix."
441 :group 'gnus-summary-mail
444 ;; FIXME: Although the custom type is `character' for the following variables,
445 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
447 (defcustom gnus-unread-mark ? ;Whitespace
448 "*Mark used for unread articles."
449 :group 'gnus-summary-marks
452 (defcustom gnus-ticked-mark ?!
453 "*Mark used for ticked articles."
454 :group 'gnus-summary-marks
457 (defcustom gnus-dormant-mark ??
458 "*Mark used for dormant articles."
459 :group 'gnus-summary-marks
462 (defcustom gnus-del-mark ?r
463 "*Mark used for del'd articles."
464 :group 'gnus-summary-marks
467 (defcustom gnus-read-mark ?R
468 "*Mark used for read articles."
469 :group 'gnus-summary-marks
472 (defcustom gnus-expirable-mark ?E
473 "*Mark used for expirable articles."
474 :group 'gnus-summary-marks
477 (defcustom gnus-killed-mark ?K
478 "*Mark used for killed articles."
479 :group 'gnus-summary-marks
482 (defcustom gnus-spam-mark ?$
483 "*Mark used for spam articles."
485 :group 'gnus-summary-marks
488 (defcustom gnus-souped-mark ?F
489 "*Mark used for souped articles."
490 :group 'gnus-summary-marks
493 (defcustom gnus-kill-file-mark ?X
494 "*Mark used for articles killed by kill files."
495 :group 'gnus-summary-marks
498 (defcustom gnus-low-score-mark ?Y
499 "*Mark used for articles with a low score."
500 :group 'gnus-summary-marks
503 (defcustom gnus-catchup-mark ?C
504 "*Mark used for articles that are caught up."
505 :group 'gnus-summary-marks
508 (defcustom gnus-replied-mark ?A
509 "*Mark used for articles that have been replied to."
510 :group 'gnus-summary-marks
513 (defcustom gnus-forwarded-mark ?F
514 "*Mark used for articles that have been forwarded."
516 :group 'gnus-summary-marks
519 (defcustom gnus-recent-mark ?N
520 "*Mark used for articles that are recent."
522 :group 'gnus-summary-marks
525 (defcustom gnus-cached-mark ?*
526 "*Mark used for articles that are in the cache."
527 :group 'gnus-summary-marks
530 (defcustom gnus-saved-mark ?S
531 "*Mark used for articles that have been saved."
532 :group 'gnus-summary-marks
535 (defcustom gnus-unseen-mark ?.
536 "*Mark used for articles that haven't been seen."
538 :group 'gnus-summary-marks
541 (defcustom gnus-no-mark ? ;Whitespace
542 "*Mark used for articles that have no other secondary mark."
544 :group 'gnus-summary-marks
547 (defcustom gnus-ancient-mark ?O
548 "*Mark used for ancient articles."
549 :group 'gnus-summary-marks
552 (defcustom gnus-sparse-mark ?Q
553 "*Mark used for sparsely reffed articles."
554 :group 'gnus-summary-marks
557 (defcustom gnus-canceled-mark ?G
558 "*Mark used for canceled articles."
559 :group 'gnus-summary-marks
562 (defcustom gnus-duplicate-mark ?M
563 "*Mark used for duplicate articles."
564 :group 'gnus-summary-marks
567 (defcustom gnus-undownloaded-mark ?-
568 "*Mark used for articles that weren't downloaded."
570 :group 'gnus-summary-marks
573 (defcustom gnus-downloaded-mark ?+
574 "*Mark used for articles that were downloaded."
575 :group 'gnus-summary-marks
578 (defcustom gnus-downloadable-mark ?%
579 "*Mark used for articles that are to be downloaded."
580 :group 'gnus-summary-marks
583 (defcustom gnus-unsendable-mark ?=
584 "*Mark used for articles that won't be sent."
585 :group 'gnus-summary-marks
588 (defcustom gnus-score-over-mark ?+
589 "*Score mark used for articles with high scores."
590 :group 'gnus-summary-marks
593 (defcustom gnus-score-below-mark ?-
594 "*Score mark used for articles with low scores."
595 :group 'gnus-summary-marks
598 (defcustom gnus-empty-thread-mark ? ;Whitespace
599 "*There is no thread under the article."
600 :group 'gnus-summary-marks
603 (defcustom gnus-not-empty-thread-mark ?=
604 "*There is a thread under the article."
605 :group 'gnus-summary-marks
608 (defcustom gnus-view-pseudo-asynchronously nil
609 "*If non-nil, Gnus will view pseudo-articles asynchronously."
610 :group 'gnus-extract-view
613 (defcustom gnus-auto-expirable-marks
614 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
615 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
616 gnus-souped-mark gnus-duplicate-mark)
617 "*The list of marks converted into expiration if a group is auto-expirable."
620 :type '(repeat character))
622 (defcustom gnus-inhibit-user-auto-expire t
623 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
628 (defcustom gnus-view-pseudos nil
629 "*If `automatic', pseudo-articles will be viewed automatically.
630 If `not-confirm', pseudos will be viewed automatically, and the user
631 will not be asked to confirm the command."
632 :group 'gnus-extract-view
633 :type '(choice (const :tag "off" nil)
635 (const not-confirm)))
637 (defcustom gnus-view-pseudos-separately t
638 "*If non-nil, one pseudo-article will be created for each file to be viewed.
639 If nil, all files that use the same viewing command will be given as a
640 list of parameters to that command."
641 :group 'gnus-extract-view
644 (defcustom gnus-insert-pseudo-articles t
645 "*If non-nil, insert pseudo-articles when decoding articles."
646 :group 'gnus-extract-view
649 (defcustom gnus-summary-dummy-line-format
651 "*The format specification for the dummy roots in the summary buffer.
652 It works along the same lines as a normal formatting string,
653 with some simple extensions.
657 General format specifiers can also be used.
658 See `(gnus)Formatting Variables'."
659 :link '(custom-manual "(gnus)Formatting Variables")
660 :group 'gnus-threading
663 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
664 "*The format specification for the summary mode line.
665 It works along the same lines as a normal formatting string,
666 with some simple extensions:
669 %p Unprefixed group name
670 %A Current article number
671 %z Current article score
673 %U Number of unread articles in the group
674 %e Number of unselected articles in the group
675 %Z A string with unread/unselected article counts
676 %g Shortish group name
677 %S Subject of the current article
679 %s Current score file name
680 %d Number of dormant articles
681 %r Number of articles that have been marked as read in this session
682 %E Number of articles expunged by the score files"
683 :group 'gnus-summary-format
686 (defcustom gnus-list-identifiers nil
687 "Regexp that matches list identifiers to be removed from subject.
688 This can also be a list of regexps."
690 :group 'gnus-summary-format
691 :group 'gnus-article-hiding
692 :type '(choice (const :tag "none" nil)
694 (repeat :value (".*") regexp)))
696 (defcustom gnus-summary-mark-below 0
697 "*Mark all articles with a score below this variable as read.
698 This variable is local to each summary buffer and usually set by the
700 :group 'gnus-score-default
703 (defun gnus-widget-reversible-match (widget value)
704 "Ignoring WIDGET, convert VALUE to internal form.
705 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
709 (eq (length value) 2)
710 (eq (nth 0 value) 'not)
711 (symbolp (nth 1 value)))))
713 (defun gnus-widget-reversible-to-internal (widget value)
714 "Ignoring WIDGET, convert VALUE to internal form.
715 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
716 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
720 (list (nth 1 value) t)))
722 (defun gnus-widget-reversible-to-external (widget value)
723 "Ignoring WIDGET, convert VALUE to external form.
724 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
725 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
728 (list 'not (nth 0 value))
731 (define-widget 'gnus-widget-reversible 'group
732 "A `group' that convert values."
733 :match 'gnus-widget-reversible-match
734 :value-to-internal 'gnus-widget-reversible-to-internal
735 :value-to-external 'gnus-widget-reversible-to-external)
737 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
738 "*List of functions used for sorting articles in the summary buffer.
740 Each function takes two articles and returns non-nil if the first
741 article should be sorted before the other. If you use more than one
742 function, the primary sort function should be the last. You should
743 probably always include `gnus-article-sort-by-number' in the list of
744 sorting functions -- preferably first. Also note that sorting by date
745 is often much slower than sorting by number, and the sorting order is
746 very similar. (Sorting by date means sorting by the time the message
747 was sent, sorting by number means sorting by arrival time.)
749 Each item can also be a list `(not F)' where F is a function;
750 this reverses the sort order.
752 Ready-made functions include `gnus-article-sort-by-number',
753 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
754 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
755 and `gnus-article-sort-by-score'.
757 When threading is turned on, the variable `gnus-thread-sort-functions'
758 controls how articles are sorted."
759 :group 'gnus-summary-sort
760 :type '(repeat (gnus-widget-reversible
761 (choice (function-item gnus-article-sort-by-number)
762 (function-item gnus-article-sort-by-author)
763 (function-item gnus-article-sort-by-subject)
764 (function-item gnus-article-sort-by-date)
765 (function-item gnus-article-sort-by-score)
766 (function-item gnus-article-sort-by-random)
767 (function :tag "other"))
768 (boolean :tag "Reverse order"))))
771 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
772 "*List of functions used for sorting threads in the summary buffer.
773 By default, threads are sorted by article number.
775 Each function takes two threads and returns non-nil if the first
776 thread should be sorted before the other. If you use more than one
777 function, the primary sort function should be the last. You should
778 probably always include `gnus-thread-sort-by-number' in the list of
779 sorting functions -- preferably first. Also note that sorting by date
780 is often much slower than sorting by number, and the sorting order is
781 very similar. (Sorting by date means sorting by the time the message
782 was sent, sorting by number means sorting by arrival time.)
784 Each list item can also be a list `(not F)' where F is a
785 function; this specifies reversed sort order.
787 Ready-made functions include `gnus-thread-sort-by-number',
788 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
789 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
790 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
791 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
792 and `gnus-thread-sort-by-total-score' (see
793 `gnus-thread-score-function').
795 When threading is turned off, the variable
796 `gnus-article-sort-functions' controls how articles are sorted."
797 :group 'gnus-summary-sort
799 (gnus-widget-reversible
800 (choice (function-item gnus-thread-sort-by-number)
801 (function-item gnus-thread-sort-by-author)
802 (function-item gnus-thread-sort-by-recipient)
803 (function-item gnus-thread-sort-by-subject)
804 (function-item gnus-thread-sort-by-date)
805 (function-item gnus-thread-sort-by-score)
806 (function-item gnus-thread-sort-by-most-recent-number)
807 (function-item gnus-thread-sort-by-most-recent-date)
808 (function-item gnus-thread-sort-by-random)
809 (function-item gnus-thread-sort-by-total-score)
810 (function :tag "other"))
811 (boolean :tag "Reverse order"))))
813 (defcustom gnus-thread-score-function '+
814 "*Function used for calculating the total score of a thread.
816 The function is called with the scores of the article and each
817 subthread and should then return the score of the thread.
819 Some functions you can use are `+', `max', or `min'."
820 :group 'gnus-summary-sort
823 (defcustom gnus-summary-expunge-below nil
824 "All articles that have a score less than this variable will be expunged.
825 This variable is local to the summary buffers."
826 :group 'gnus-score-default
827 :type '(choice (const :tag "off" nil)
830 (defcustom gnus-thread-expunge-below nil
831 "All threads that have a total score less than this variable will be expunged.
832 See `gnus-thread-score-function' for en explanation of what a
835 This variable is local to the summary buffers."
836 :group 'gnus-threading
837 :group 'gnus-score-default
838 :type '(choice (const :tag "off" nil)
841 (defcustom gnus-summary-mode-hook nil
842 "*A hook for Gnus summary mode.
843 This hook is run before any variables are set in the summary buffer."
844 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
845 :group 'gnus-summary-various
848 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
849 (when (featurep 'xemacs)
850 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
851 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
852 (add-hook 'gnus-summary-mode-hook
853 'gnus-xmas-switch-horizontal-scrollbar-off))
855 (defcustom gnus-summary-menu-hook nil
856 "*Hook run after the creation of the summary mode menu."
857 :group 'gnus-summary-visual
860 (defcustom gnus-summary-exit-hook nil
861 "*A hook called on exit from the summary buffer.
862 It will be called with point in the group buffer."
863 :group 'gnus-summary-exit
866 (defcustom gnus-summary-prepare-hook nil
867 "*A hook called after the summary buffer has been generated.
868 If you want to modify the summary buffer, you can use this hook."
869 :group 'gnus-summary-various
872 (defcustom gnus-summary-prepared-hook nil
873 "*A hook called as the last thing after the summary buffer has been generated."
874 :group 'gnus-summary-various
877 (defcustom gnus-summary-generate-hook nil
878 "*A hook run just before generating the summary buffer.
879 This hook is commonly used to customize threading variables and the
881 :group 'gnus-summary-various
884 (defcustom gnus-select-group-hook nil
885 "*A hook called when a newsgroup is selected.
887 If you'd like to simplify subjects like the
888 `gnus-summary-next-same-subject' command does, you can use the
891 (add-hook gnus-select-group-hook
893 (mapcar (lambda (header)
894 (mail-header-set-subject
896 (gnus-simplify-subject
897 (mail-header-subject header) 're-only)))
898 gnus-newsgroup-headers)))"
899 :group 'gnus-group-select
902 (defcustom gnus-select-article-hook nil
903 "*A hook called when an article is selected."
904 :group 'gnus-summary-choose
905 :options '(gnus-agent-fetch-selected-article)
908 (defcustom gnus-visual-mark-article-hook
909 (list 'gnus-highlight-selected-summary)
910 "*Hook run after selecting an article in the summary buffer.
911 It is meant to be used for highlighting the article in some way. It
912 is not run if `gnus-visual' is nil."
913 :group 'gnus-summary-visual
916 (defcustom gnus-parse-headers-hook nil
917 "*A hook called before parsing the headers."
921 (defcustom gnus-exit-group-hook nil
922 "*A hook called when exiting summary mode.
923 This hook is not called from the non-updating exit commands like `Q'."
927 (defcustom gnus-summary-update-hook
928 (list 'gnus-summary-highlight-line)
929 "*A hook called when a summary line is changed.
930 The hook will not be called if `gnus-visual' is nil.
932 The default function `gnus-summary-highlight-line' will
933 highlight the line according to the `gnus-summary-highlight'
935 :group 'gnus-summary-visual
938 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
939 "*A hook called when an article is selected for the first time.
940 The hook is intended to mark an article as read (or unread)
941 automatically when it is selected."
942 :group 'gnus-summary-choose
945 (defcustom gnus-group-no-more-groups-hook nil
946 "*A hook run when returning to group mode having no more (unread) groups."
947 :group 'gnus-group-select
950 (defcustom gnus-ps-print-hook nil
951 "*A hook run before ps-printing something from Gnus."
955 (defcustom gnus-summary-article-move-hook nil
956 "*A hook called after an article is moved, copied, respooled, or crossposted."
961 (defcustom gnus-summary-article-delete-hook nil
962 "*A hook called after an article is deleted."
967 (defcustom gnus-summary-article-expire-hook nil
968 "*A hook called after an article is expired."
973 (defcustom gnus-summary-display-arrow
974 (and (fboundp 'display-graphic-p)
976 "*If non-nil, display an arrow highlighting the current article."
981 (defcustom gnus-summary-selected-face 'gnus-summary-selected
982 "Face used for highlighting the current article in the summary buffer."
983 :group 'gnus-summary-visual
986 (defvar gnus-tmp-downloaded nil)
988 (defcustom gnus-summary-highlight
989 '(((eq mark gnus-canceled-mark)
990 . gnus-summary-cancelled)
991 ((and uncached (> score default-high))
992 . gnus-summary-high-undownloaded)
993 ((and uncached (< score default-low))
994 . gnus-summary-low-undownloaded)
996 . gnus-summary-normal-undownloaded)
997 ((and (> score default-high)
998 (or (eq mark gnus-dormant-mark)
999 (eq mark gnus-ticked-mark)))
1000 . gnus-summary-high-ticked)
1001 ((and (< score default-low)
1002 (or (eq mark gnus-dormant-mark)
1003 (eq mark gnus-ticked-mark)))
1004 . gnus-summary-low-ticked)
1005 ((or (eq mark gnus-dormant-mark)
1006 (eq mark gnus-ticked-mark))
1007 . gnus-summary-normal-ticked)
1008 ((and (> score default-high) (eq mark gnus-ancient-mark))
1009 . gnus-summary-high-ancient)
1010 ((and (< score default-low) (eq mark gnus-ancient-mark))
1011 . gnus-summary-low-ancient)
1012 ((eq mark gnus-ancient-mark)
1013 . gnus-summary-normal-ancient)
1014 ((and (> score default-high) (eq mark gnus-unread-mark))
1015 . gnus-summary-high-unread)
1016 ((and (< score default-low) (eq mark gnus-unread-mark))
1017 . gnus-summary-low-unread)
1018 ((eq mark gnus-unread-mark)
1019 . gnus-summary-normal-unread)
1020 ((> score default-high)
1021 . gnus-summary-high-read)
1022 ((< score default-low)
1023 . gnus-summary-low-read)
1025 . gnus-summary-normal-read))
1026 "*Controls the highlighting of summary buffer lines.
1028 A list of (FORM . FACE) pairs. When deciding how a a particular
1029 summary line should be displayed, each form is evaluated. The content
1030 of the face field after the first true form is used. You can change
1031 how those summary lines are displayed, by editing the face field.
1033 You can use the following variables in the FORM field.
1035 score: The article's score
1036 default: The default article score.
1037 default-high: The default score for high scored articles.
1038 default-low: The default score for low scored articles.
1039 below: The score below which articles are automatically marked as read.
1040 mark: The article's mark.
1041 uncached: Non-nil if the article is uncached."
1042 :group 'gnus-summary-visual
1043 :type '(repeat (cons (sexp :tag "Form" nil)
1046 (defcustom gnus-alter-header-function nil
1047 "Function called to allow alteration of article header structures.
1048 The function is called with one parameter, the article header vector,
1049 which it may alter in any way."
1050 :type '(choice (const :tag "None" nil)
1052 :group 'gnus-summary)
1054 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1055 "Variable that says which function should be used to decode a string with encoded words.")
1057 (defcustom gnus-extra-headers '(To Newsgroups)
1058 "*Extra headers to parse."
1060 :group 'gnus-summary
1061 :type '(repeat symbol))
1063 (defcustom gnus-ignored-from-addresses
1064 (and user-mail-address
1065 (not (string= user-mail-address ""))
1066 (regexp-quote user-mail-address))
1067 "*Regexp of From headers that may be suppressed in favor of To headers."
1069 :group 'gnus-summary
1072 (defcustom gnus-summary-to-prefix "-> "
1073 "*String prefixed to the To field in the summary line when
1074 using `gnus-ignored-from-addresses'."
1076 :group 'gnus-summary
1079 (defcustom gnus-summary-newsgroup-prefix "=> "
1080 "*String prefixed to the Newsgroup field in the summary
1081 line when using `gnus-ignored-from-addresses'."
1083 :group 'gnus-summary
1086 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1087 "List of charsets that should be ignored.
1088 When these charsets are used in the \"charset\" parameter, the
1089 default charset will be used instead."
1091 :type '(repeat symbol)
1092 :group 'gnus-charset)
1094 (gnus-define-group-parameter
1098 "Return the ignored charsets of GROUP."
1099 :variable gnus-group-ignored-charsets-alist
1101 '(("alt\\.chinese\\.text" iso-8859-1))
1103 "Alist of regexps (to match group names) and charsets that should be ignored.
1104 When these charsets are used in the \"charset\" parameter, the
1105 default charset will be used instead."
1106 :variable-group gnus-charset
1107 :variable-type '(repeat (cons (regexp :tag "Group")
1109 :parameter-type '(choice :tag "Ignored charsets"
1112 :parameter-document "\
1113 List of charsets that should be ignored.
1115 When these charsets are used in the \"charset\" parameter, the
1116 default charset will be used instead.")
1118 (defcustom gnus-group-highlight-words-alist nil
1119 "Alist of group regexps and highlight regexps.
1120 This variable uses the same syntax as `gnus-emphasis-alist'."
1122 :type '(repeat (cons (regexp :tag "Group")
1123 (repeat (list (regexp :tag "Highlight regexp")
1124 (number :tag "Group for entire word" 0)
1125 (number :tag "Group for displayed part" 0)
1127 gnus-emphasis-highlight-words)))))
1128 :group 'gnus-summary-visual)
1130 (defcustom gnus-summary-show-article-charset-alist
1132 "Alist of number and charset.
1133 The article will be shown with the charset corresponding to the
1135 For example: ((1 . cn-gb-2312) (2 . big5))."
1137 :type '(repeat (cons (number :tag "Argument" 1)
1138 (symbol :tag "Charset")))
1139 :group 'gnus-charset)
1141 (defcustom gnus-preserve-marks t
1142 "Whether marks are preserved when moving, copying and respooling messages."
1145 :group 'gnus-summary-marks)
1147 (defcustom gnus-alter-articles-to-read-function nil
1148 "Function to be called to alter the list of articles to be selected."
1149 :type '(choice (const nil) function)
1150 :group 'gnus-summary)
1152 (defcustom gnus-orphan-score nil
1153 "*All orphans get this score added. Set in the score file."
1154 :group 'gnus-score-default
1155 :type '(choice (const nil)
1158 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1159 "*A regexp to match MIME parts when saving multiple parts of a
1160 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1161 This regexp will be used by default when prompting the user for which
1162 type of files to save."
1163 :group 'gnus-summary
1166 (defcustom gnus-read-all-available-headers nil
1167 "Whether Gnus should parse all headers made available to it.
1168 This is mostly relevant for slow back ends where the user may
1169 wish to widen the summary buffer to include all headers
1170 that were fetched. Say, for nnultimate groups."
1172 :group 'gnus-summary
1173 :type '(choice boolean regexp))
1175 (defcustom gnus-summary-muttprint-program "muttprint"
1176 "Command (and optional arguments) used to run Muttprint."
1178 :group 'gnus-summary
1181 (defcustom gnus-article-loose-mime t
1182 "If non-nil, don't require MIME-Version header.
1183 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1184 supply the MIME-Version header or deliberately strip it from the mail.
1185 If non-nil (the default), Gnus will treat some articles as MIME
1186 even if the MIME-Version header is missing."
1189 :group 'gnus-article-mime)
1191 (defcustom gnus-article-emulate-mime t
1192 "If non-nil, use MIME emulation for uuencode and the like.
1193 This means that Gnus will search message bodies for text that look
1194 like uuencoded bits, yEncoded bits, and so on, and present that using
1195 the normal Gnus MIME machinery."
1198 :group 'gnus-article-mime)
1200 ;;; Internal variables
1202 (defvar gnus-summary-display-cache nil)
1203 (defvar gnus-article-mime-handles nil)
1204 (defvar gnus-article-decoded-p nil)
1205 (defvar gnus-article-charset nil)
1206 (defvar gnus-article-ignored-charsets nil)
1207 (defvar gnus-scores-exclude-files nil)
1208 (defvar gnus-page-broken nil)
1210 (defvar gnus-original-article nil)
1211 (defvar gnus-article-internal-prepare-hook nil)
1212 (defvar gnus-newsgroup-process-stack nil)
1214 (defvar gnus-thread-indent-array nil)
1215 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1216 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1217 "Function called to sort the articles within a thread after it has been gathered together.")
1219 (defvar gnus-summary-save-parts-type-history nil)
1220 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1222 ;; Avoid highlighting in kill files.
1223 (defvar gnus-summary-inhibit-highlight nil)
1224 (defvar gnus-newsgroup-selected-overlay nil)
1225 (defvar gnus-inhibit-limiting nil)
1226 (defvar gnus-newsgroup-adaptive-score-file nil)
1227 (defvar gnus-current-score-file nil)
1228 (defvar gnus-current-move-group nil)
1229 (defvar gnus-current-copy-group nil)
1230 (defvar gnus-current-crosspost-group nil)
1231 (defvar gnus-newsgroup-display nil)
1233 (defvar gnus-newsgroup-dependencies nil)
1234 (defvar gnus-newsgroup-adaptive nil)
1235 (defvar gnus-summary-display-article-function nil)
1236 (defvar gnus-summary-highlight-line-function nil
1237 "Function called after highlighting a summary line.")
1239 (defvar gnus-summary-line-format-alist
1240 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1241 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1242 (?s gnus-tmp-subject-or-nil ?s)
1243 (?n gnus-tmp-name ?s)
1244 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1246 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1248 (?F gnus-tmp-from ?s)
1249 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1250 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1251 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1252 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1253 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1254 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1255 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1256 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1257 (?L gnus-tmp-lines ?s)
1258 (?O gnus-tmp-downloaded ?c)
1259 (?I gnus-tmp-indentation ?s)
1260 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1261 (?R gnus-tmp-replied ?c)
1262 (?\[ gnus-tmp-opening-bracket ?c)
1263 (?\] gnus-tmp-closing-bracket ?c)
1264 (?\> (make-string gnus-tmp-level ? ) ?s)
1265 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1266 (?i gnus-tmp-score ?d)
1267 (?z gnus-tmp-score-char ?c)
1268 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1269 (?U gnus-tmp-unread ?c)
1270 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1272 (?t (gnus-summary-number-of-articles-in-thread
1273 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1275 (?e (gnus-summary-number-of-articles-in-thread
1276 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1278 (?u gnus-tmp-user-defined ?s)
1279 (?P (gnus-pick-line-number) ?d)
1280 (?B gnus-tmp-thread-tree-header-string ?s)
1281 (user-date (gnus-user-date
1282 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1283 "An alist of format specifications that can appear in summary lines.
1284 These are paired with what variables they correspond with, along with
1285 the type of the variable (string, integer, character, etc).")
1287 (defvar gnus-summary-dummy-line-format-alist
1288 `((?S gnus-tmp-subject ?s)
1289 (?N gnus-tmp-number ?d)
1290 (?u gnus-tmp-user-defined ?s)))
1292 (defvar gnus-summary-mode-line-format-alist
1293 `((?G gnus-tmp-group-name ?s)
1294 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1295 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1296 (?A gnus-tmp-article-number ?d)
1297 (?Z gnus-tmp-unread-and-unselected ?s)
1298 (?V gnus-version ?s)
1299 (?U gnus-tmp-unread-and-unticked ?d)
1300 (?S gnus-tmp-subject ?s)
1301 (?e gnus-tmp-unselected ?d)
1302 (?u gnus-tmp-user-defined ?s)
1303 (?d (length gnus-newsgroup-dormant) ?d)
1304 (?t (length gnus-newsgroup-marked) ?d)
1305 (?h (length gnus-newsgroup-spam-marked) ?d)
1306 (?r (length gnus-newsgroup-reads) ?d)
1307 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1308 (?E gnus-newsgroup-expunged-tally ?d)
1309 (?s (gnus-current-score-file-nondirectory) ?s)))
1311 (defvar gnus-last-search-regexp nil
1312 "Default regexp for article search command.")
1314 (defvar gnus-last-shell-command nil
1315 "Default shell command on article.")
1317 (defvar gnus-newsgroup-agentized nil
1318 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1319 (defvar gnus-newsgroup-begin nil)
1320 (defvar gnus-newsgroup-end nil)
1321 (defvar gnus-newsgroup-last-rmail nil)
1322 (defvar gnus-newsgroup-last-mail nil)
1323 (defvar gnus-newsgroup-last-folder nil)
1324 (defvar gnus-newsgroup-last-file nil)
1325 (defvar gnus-newsgroup-auto-expire nil)
1326 (defvar gnus-newsgroup-active nil)
1328 (defvar gnus-newsgroup-data nil)
1329 (defvar gnus-newsgroup-data-reverse nil)
1330 (defvar gnus-newsgroup-limit nil)
1331 (defvar gnus-newsgroup-limits nil)
1332 (defvar gnus-summary-use-undownloaded-faces nil)
1334 (defvar gnus-newsgroup-unreads nil
1335 "Sorted list of unread articles in the current newsgroup.")
1337 (defvar gnus-newsgroup-unselected nil
1338 "Sorted list of unselected unread articles in the current newsgroup.")
1340 (defvar gnus-newsgroup-reads nil
1341 "Alist of read articles and article marks in the current newsgroup.")
1343 (defvar gnus-newsgroup-expunged-tally nil)
1345 (defvar gnus-newsgroup-marked nil
1346 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1348 (defvar gnus-newsgroup-spam-marked nil
1349 "List of ranges of articles that have been marked as spam.")
1351 (defvar gnus-newsgroup-killed nil
1352 "List of ranges of articles that have been through the scoring process.")
1354 (defvar gnus-newsgroup-cached nil
1355 "Sorted list of articles that come from the article cache.")
1357 (defvar gnus-newsgroup-saved nil
1358 "List of articles that have been saved.")
1360 (defvar gnus-newsgroup-kill-headers nil)
1362 (defvar gnus-newsgroup-replied nil
1363 "List of articles that have been replied to in the current newsgroup.")
1365 (defvar gnus-newsgroup-forwarded nil
1366 "List of articles that have been forwarded in the current newsgroup.")
1368 (defvar gnus-newsgroup-recent nil
1369 "List of articles that have are recent in the current newsgroup.")
1371 (defvar gnus-newsgroup-expirable nil
1372 "Sorted list of articles in the current newsgroup that can be expired.")
1374 (defvar gnus-newsgroup-processable nil
1375 "List of articles in the current newsgroup that can be processed.")
1377 (defvar gnus-newsgroup-downloadable nil
1378 "Sorted list of articles in the current newsgroup that can be processed.")
1380 (defvar gnus-newsgroup-unfetched nil
1381 "Sorted list of articles in the current newsgroup whose headers have
1382 not been fetched into the agent.
1384 This list will always be a subset of gnus-newsgroup-undownloaded.")
1386 (defvar gnus-newsgroup-undownloaded nil
1387 "List of articles in the current newsgroup that haven't been downloaded.")
1389 (defvar gnus-newsgroup-unsendable nil
1390 "List of articles in the current newsgroup that won't be sent.")
1392 (defvar gnus-newsgroup-bookmarks nil
1393 "List of articles in the current newsgroup that have bookmarks.")
1395 (defvar gnus-newsgroup-dormant nil
1396 "Sorted list of dormant articles in the current newsgroup.")
1398 (defvar gnus-newsgroup-unseen nil
1399 "List of unseen articles in the current newsgroup.")
1401 (defvar gnus-newsgroup-seen nil
1402 "Range of seen articles in the current newsgroup.")
1404 (defvar gnus-newsgroup-articles nil
1405 "List of articles in the current newsgroup.")
1407 (defvar gnus-newsgroup-scored nil
1408 "List of scored articles in the current newsgroup.")
1410 (defvar gnus-newsgroup-headers nil
1411 "List of article headers in the current newsgroup.")
1413 (defvar gnus-newsgroup-threads nil)
1415 (defvar gnus-newsgroup-prepared nil
1416 "Whether the current group has been prepared properly.")
1418 (defvar gnus-newsgroup-ancient nil
1419 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1421 (defvar gnus-newsgroup-sparse nil)
1423 (defvar gnus-current-article nil)
1424 (defvar gnus-article-current nil)
1425 (defvar gnus-current-headers nil)
1426 (defvar gnus-have-all-headers nil)
1427 (defvar gnus-last-article nil)
1428 (defvar gnus-newsgroup-history nil)
1429 (defvar gnus-newsgroup-charset nil)
1430 (defvar gnus-newsgroup-ephemeral-charset nil)
1431 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1433 (defvar gnus-article-before-search nil)
1435 (defvar gnus-summary-local-variables
1436 '(gnus-newsgroup-name
1437 gnus-newsgroup-begin gnus-newsgroup-end
1438 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1439 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1440 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1441 gnus-newsgroup-unselected gnus-newsgroup-marked
1442 gnus-newsgroup-spam-marked
1443 gnus-newsgroup-reads gnus-newsgroup-saved
1444 gnus-newsgroup-replied gnus-newsgroup-forwarded
1445 gnus-newsgroup-recent
1446 gnus-newsgroup-expirable
1447 gnus-newsgroup-processable gnus-newsgroup-killed
1448 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1449 gnus-newsgroup-unfetched
1450 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1451 gnus-newsgroup-seen gnus-newsgroup-articles
1452 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1453 gnus-newsgroup-headers gnus-newsgroup-threads
1454 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1455 gnus-current-article gnus-current-headers gnus-have-all-headers
1456 gnus-last-article gnus-article-internal-prepare-hook
1457 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1458 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1459 gnus-thread-expunge-below
1460 gnus-score-alist gnus-current-score-file
1461 (gnus-summary-expunge-below . global)
1462 (gnus-summary-mark-below . global)
1463 (gnus-orphan-score . global)
1464 gnus-newsgroup-active gnus-scores-exclude-files
1465 gnus-newsgroup-history gnus-newsgroup-ancient
1466 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1467 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1468 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1469 (gnus-newsgroup-expunged-tally . 0)
1470 gnus-cache-removable-articles gnus-newsgroup-cached
1471 gnus-newsgroup-data gnus-newsgroup-data-reverse
1472 gnus-newsgroup-limit gnus-newsgroup-limits
1473 gnus-newsgroup-charset gnus-newsgroup-display
1474 gnus-summary-use-undownloaded-faces)
1475 "Variables that are buffer-local to the summary buffers.")
1477 (defvar gnus-newsgroup-variables nil
1478 "A list of variables that have separate values in different newsgroups.
1479 A list of newsgroup (summary buffer) local variables, or cons of
1480 variables and their default expressions to be evalled (when the default
1481 values are not nil), that should be made global while the summary buffer
1484 Note: The default expressions will be evaluated (using function `eval')
1485 before assignment to the local variable rather than just assigned to it.
1486 If the default expression is the symbol `global', that symbol will not
1487 be evaluated but the global value of the local variable will be used
1490 These variables can be used to set variables in the group parameters
1491 while still allowing them to affect operations done in other buffers.
1494 \(setq gnus-newsgroup-variables
1495 '(message-use-followup-to
1496 (gnus-visible-headers .
1497 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1500 ;; Byte-compiler warning.
1502 ;; Bind features so that require will believe that gnus-sum has
1503 ;; already been loaded (avoids infinite recursion)
1504 (let ((features (cons 'gnus-sum features)))
1505 ;; Several of the declarations in gnus-sum are needed to load the
1506 ;; following files. Right now, these definitions have been
1507 ;; compiled but not defined (evaluated). We could either do a
1508 ;; eval-and-compile about all of the declarations or evaluate the
1510 (if (boundp 'gnus-newsgroup-variables)
1512 (load "gnus-sum.el" t t t))
1514 (require 'gnus-art)))
1518 (defvar gnus-decode-encoded-word-methods
1519 '(mail-decode-encoded-word-string)
1520 "List of methods used to decode encoded words.
1522 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1523 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1524 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1525 whose names match REGEXP.
1528 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1529 mail-decode-encoded-word-string
1530 (\"chinese\" . rfc1843-decode-string))")
1532 (defvar gnus-decode-encoded-word-methods-cache nil)
1534 (defun gnus-multi-decode-encoded-word-string (string)
1535 "Apply the functions from `gnus-encoded-word-methods' that match."
1536 (unless (and gnus-decode-encoded-word-methods-cache
1537 (eq gnus-newsgroup-name
1538 (car gnus-decode-encoded-word-methods-cache)))
1539 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1542 (nconc gnus-decode-encoded-word-methods-cache (list x))
1543 (if (and gnus-newsgroup-name
1544 (string-match (car x) gnus-newsgroup-name))
1545 (nconc gnus-decode-encoded-word-methods-cache
1547 gnus-decode-encoded-word-methods))
1548 (let ((xlist gnus-decode-encoded-word-methods-cache))
1551 (setq string (funcall (pop xlist) string))))
1554 ;; Subject simplification.
1556 (defun gnus-simplify-whitespace (str)
1557 "Remove excessive whitespace from STR."
1559 (while (string-match "[ \t][ \t]+" str)
1560 (setq str (concat (substring str 0 (match-beginning 0))
1562 (substring str (match-end 0)))))
1564 (when (string-match "^[ \t]+" str)
1565 (setq str (substring str (match-end 0))))
1567 (when (string-match "[ \t]+$" str)
1568 (setq str (substring str 0 (match-beginning 0))))
1571 (defun gnus-simplify-all-whitespace (str)
1572 "Remove all whitespace from STR."
1573 (while (string-match "[ \t\n]+" str)
1574 (setq str (replace-match "" nil nil str)))
1577 (defsubst gnus-simplify-subject-re (subject)
1578 "Remove \"Re:\" from subject lines."
1579 (if (string-match message-subject-re-regexp subject)
1580 (substring subject (match-end 0))
1583 (defun gnus-simplify-subject (subject &optional re-only)
1584 "Remove `Re:' and words in parentheses.
1585 If RE-ONLY is non-nil, strip leading `Re:'s only."
1586 (let ((case-fold-search t)) ;Ignore case.
1587 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1588 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1589 (setq subject (substring subject (match-end 0))))
1590 ;; Remove uninteresting prefixes.
1591 (when (and (not re-only)
1592 gnus-simplify-ignored-prefixes
1593 (string-match gnus-simplify-ignored-prefixes subject))
1594 (setq subject (substring subject (match-end 0))))
1595 ;; Remove words in parentheses from end.
1597 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1598 (setq subject (substring subject 0 (match-beginning 0)))))
1599 ;; Return subject string.
1602 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1604 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1605 (goto-char (point-min))
1606 (while (re-search-forward regexp nil t)
1607 (replace-match (or newtext ""))))
1609 (defun gnus-simplify-buffer-fuzzy ()
1610 "Simplify string in the buffer fuzzily.
1611 The string in the accessible portion of the current buffer is simplified.
1612 It is assumed to be a single-line subject.
1613 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1614 matter is removed. Additional things can be deleted by setting
1615 `gnus-simplify-subject-fuzzy-regexp'."
1616 (let ((case-fold-search t)
1618 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1620 (while (not (eq modified-tick (buffer-modified-tick)))
1621 (setq modified-tick (buffer-modified-tick))
1623 ((listp gnus-simplify-subject-fuzzy-regexp)
1624 (mapcar 'gnus-simplify-buffer-fuzzy-step
1625 gnus-simplify-subject-fuzzy-regexp))
1626 (gnus-simplify-subject-fuzzy-regexp
1627 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1628 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1629 (gnus-simplify-buffer-fuzzy-step
1630 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1631 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1633 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1634 (gnus-simplify-buffer-fuzzy-step " +" " ")
1635 (gnus-simplify-buffer-fuzzy-step " $")
1636 (gnus-simplify-buffer-fuzzy-step "^ +")))
1638 (defun gnus-simplify-subject-fuzzy (subject)
1639 "Simplify a subject string fuzzily.
1640 See `gnus-simplify-buffer-fuzzy' for details."
1642 (gnus-set-work-buffer)
1643 (let ((case-fold-search t))
1644 ;; Remove uninteresting prefixes.
1645 (when (and gnus-simplify-ignored-prefixes
1646 (string-match gnus-simplify-ignored-prefixes subject))
1647 (setq subject (substring subject (match-end 0))))
1649 (inline (gnus-simplify-buffer-fuzzy))
1652 (defsubst gnus-simplify-subject-fully (subject)
1653 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1655 (gnus-simplify-subject-functions
1656 (gnus-map-function gnus-simplify-subject-functions subject))
1657 ((null gnus-summary-gather-subject-limit)
1658 (gnus-simplify-subject-re subject))
1659 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1660 (gnus-simplify-subject-fuzzy subject))
1661 ((numberp gnus-summary-gather-subject-limit)
1662 (gnus-limit-string (gnus-simplify-subject-re subject)
1663 gnus-summary-gather-subject-limit))
1667 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1668 "Check whether two subjects are equal.
1669 If optional argument SIMPLE-FIRST is t, first argument is already
1672 ((null simple-first)
1673 (equal (gnus-simplify-subject-fully s1)
1674 (gnus-simplify-subject-fully s2)))
1677 (gnus-simplify-subject-fully s2)))))
1679 (defun gnus-summary-bubble-group ()
1680 "Increase the score of the current group.
1681 This is a handy function to add to `gnus-summary-exit-hook' to
1682 increase the score of each group you read."
1683 (gnus-group-add-score gnus-newsgroup-name))
1687 ;;; Gnus summary mode
1690 (put 'gnus-summary-mode 'mode-class 'special)
1692 (defvar gnus-article-commands-menu)
1694 ;; Non-orthogonal keys
1696 (gnus-define-keys gnus-summary-mode-map
1697 " " gnus-summary-next-page
1698 "\177" gnus-summary-prev-page
1699 [delete] gnus-summary-prev-page
1700 [backspace] gnus-summary-prev-page
1701 "\r" gnus-summary-scroll-up
1702 "\M-\r" gnus-summary-scroll-down
1703 "n" gnus-summary-next-unread-article
1704 "p" gnus-summary-prev-unread-article
1705 "N" gnus-summary-next-article
1706 "P" gnus-summary-prev-article
1707 "\M-\C-n" gnus-summary-next-same-subject
1708 "\M-\C-p" gnus-summary-prev-same-subject
1709 "\M-n" gnus-summary-next-unread-subject
1710 "\M-p" gnus-summary-prev-unread-subject
1711 "." gnus-summary-first-unread-article
1712 "," gnus-summary-best-unread-article
1713 "\M-s" gnus-summary-search-article-forward
1714 "\M-r" gnus-summary-search-article-backward
1715 "<" gnus-summary-beginning-of-article
1716 ">" gnus-summary-end-of-article
1717 "j" gnus-summary-goto-article
1718 "^" gnus-summary-refer-parent-article
1719 "\M-^" gnus-summary-refer-article
1720 "u" gnus-summary-tick-article-forward
1721 "!" gnus-summary-tick-article-forward
1722 "U" gnus-summary-tick-article-backward
1723 "d" gnus-summary-mark-as-read-forward
1724 "D" gnus-summary-mark-as-read-backward
1725 "E" gnus-summary-mark-as-expirable
1726 "\M-u" gnus-summary-clear-mark-forward
1727 "\M-U" gnus-summary-clear-mark-backward
1728 "k" gnus-summary-kill-same-subject-and-select
1729 "\C-k" gnus-summary-kill-same-subject
1730 "\M-\C-k" gnus-summary-kill-thread
1731 "\M-\C-l" gnus-summary-lower-thread
1732 "e" gnus-summary-edit-article
1733 "#" gnus-summary-mark-as-processable
1734 "\M-#" gnus-summary-unmark-as-processable
1735 "\M-\C-t" gnus-summary-toggle-threads
1736 "\M-\C-s" gnus-summary-show-thread
1737 "\M-\C-h" gnus-summary-hide-thread
1738 "\M-\C-f" gnus-summary-next-thread
1739 "\M-\C-b" gnus-summary-prev-thread
1740 [(meta down)] gnus-summary-next-thread
1741 [(meta up)] gnus-summary-prev-thread
1742 "\M-\C-u" gnus-summary-up-thread
1743 "\M-\C-d" gnus-summary-down-thread
1744 "&" gnus-summary-execute-command
1745 "c" gnus-summary-catchup-and-exit
1746 "\C-w" gnus-summary-mark-region-as-read
1747 "\C-t" gnus-summary-toggle-truncation
1748 "?" gnus-summary-mark-as-dormant
1749 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1750 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1751 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1752 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1753 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1754 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1755 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1756 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1757 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1758 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1759 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1760 "=" gnus-summary-expand-window
1761 "\C-x\C-s" gnus-summary-reselect-current-group
1762 "\M-g" gnus-summary-rescan-group
1763 "w" gnus-summary-stop-page-breaking
1764 "\C-c\C-r" gnus-summary-caesar-message
1765 "f" gnus-summary-followup
1766 "F" gnus-summary-followup-with-original
1767 "C" gnus-summary-cancel-article
1768 "r" gnus-summary-reply
1769 "R" gnus-summary-reply-with-original
1770 "\C-c\C-f" gnus-summary-mail-forward
1771 "o" gnus-summary-save-article
1772 "\C-o" gnus-summary-save-article-mail
1773 "|" gnus-summary-pipe-output
1774 "\M-k" gnus-summary-edit-local-kill
1775 "\M-K" gnus-summary-edit-global-kill
1777 "\C-c\C-d" gnus-summary-describe-group
1778 "q" gnus-summary-exit
1779 "Q" gnus-summary-exit-no-update
1780 "\C-c\C-i" gnus-info-find-node
1781 gnus-mouse-2 gnus-mouse-pick-article
1782 [follow-link] mouse-face
1783 "m" gnus-summary-mail-other-window
1784 "a" gnus-summary-post-news
1785 "i" gnus-summary-news-other-window
1786 "x" gnus-summary-limit-to-unread
1787 "s" gnus-summary-isearch-article
1788 "t" gnus-summary-toggle-header
1789 "g" gnus-summary-show-article
1790 "l" gnus-summary-goto-last-article
1791 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1792 "\C-d" gnus-summary-enter-digest-group
1793 "\M-\C-d" gnus-summary-read-document
1794 "\M-\C-e" gnus-summary-edit-parameters
1795 "\M-\C-a" gnus-summary-customize-parameters
1797 "*" gnus-cache-enter-article
1798 "\M-*" gnus-cache-remove-article
1799 "\M-&" gnus-summary-universal-argument
1800 "\C-l" gnus-recenter
1801 "I" gnus-summary-increase-score
1802 "L" gnus-summary-lower-score
1803 "\M-i" gnus-symbolic-argument
1804 "h" gnus-summary-select-article-buffer
1806 "b" gnus-article-view-part
1807 "\M-t" gnus-summary-toggle-display-buttonized
1809 "V" gnus-summary-score-map
1810 "X" gnus-uu-extract-map
1811 "S" gnus-summary-send-map)
1813 ;; Sort of orthogonal keymap
1814 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1815 "t" gnus-summary-tick-article-forward
1816 "!" gnus-summary-tick-article-forward
1817 "d" gnus-summary-mark-as-read-forward
1818 "r" gnus-summary-mark-as-read-forward
1819 "c" gnus-summary-clear-mark-forward
1820 " " gnus-summary-clear-mark-forward
1821 "e" gnus-summary-mark-as-expirable
1822 "x" gnus-summary-mark-as-expirable
1823 "?" gnus-summary-mark-as-dormant
1824 "b" gnus-summary-set-bookmark
1825 "B" gnus-summary-remove-bookmark
1826 "#" gnus-summary-mark-as-processable
1827 "\M-#" gnus-summary-unmark-as-processable
1828 "S" gnus-summary-limit-include-expunged
1829 "C" gnus-summary-catchup
1830 "H" gnus-summary-catchup-to-here
1831 "h" gnus-summary-catchup-from-here
1832 "\C-c" gnus-summary-catchup-all
1833 "k" gnus-summary-kill-same-subject-and-select
1834 "K" gnus-summary-kill-same-subject
1835 "P" gnus-uu-mark-map)
1837 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1838 "c" gnus-summary-clear-above
1839 "u" gnus-summary-tick-above
1840 "m" gnus-summary-mark-above
1841 "k" gnus-summary-kill-below)
1843 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1844 "/" gnus-summary-limit-to-subject
1845 "n" gnus-summary-limit-to-articles
1846 "w" gnus-summary-pop-limit
1847 "s" gnus-summary-limit-to-subject
1848 "a" gnus-summary-limit-to-author
1849 "u" gnus-summary-limit-to-unread
1850 "m" gnus-summary-limit-to-marks
1851 "M" gnus-summary-limit-exclude-marks
1852 "v" gnus-summary-limit-to-score
1853 "*" gnus-summary-limit-include-cached
1854 "D" gnus-summary-limit-include-dormant
1855 "T" gnus-summary-limit-include-thread
1856 "d" gnus-summary-limit-exclude-dormant
1857 "t" gnus-summary-limit-to-age
1858 "." gnus-summary-limit-to-unseen
1859 "x" gnus-summary-limit-to-extra
1860 "p" gnus-summary-limit-to-display-predicate
1861 "E" gnus-summary-limit-include-expunged
1862 "c" gnus-summary-limit-exclude-childless-dormant
1863 "C" gnus-summary-limit-mark-excluded-as-read
1864 "o" gnus-summary-insert-old-articles
1865 "N" gnus-summary-insert-new-articles
1866 "r" gnus-summary-limit-to-replied
1867 "R" gnus-summary-limit-to-recipient)
1869 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1870 "n" gnus-summary-next-unread-article
1871 "p" gnus-summary-prev-unread-article
1872 "N" gnus-summary-next-article
1873 "P" gnus-summary-prev-article
1874 "\C-n" gnus-summary-next-same-subject
1875 "\C-p" gnus-summary-prev-same-subject
1876 "\M-n" gnus-summary-next-unread-subject
1877 "\M-p" gnus-summary-prev-unread-subject
1878 "f" gnus-summary-first-unread-article
1879 "b" gnus-summary-best-unread-article
1880 "j" gnus-summary-goto-article
1881 "g" gnus-summary-goto-subject
1882 "l" gnus-summary-goto-last-article
1883 "o" gnus-summary-pop-article)
1885 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1886 "k" gnus-summary-kill-thread
1887 "l" gnus-summary-lower-thread
1888 "i" gnus-summary-raise-thread
1889 "T" gnus-summary-toggle-threads
1890 "t" gnus-summary-rethread-current
1891 "^" gnus-summary-reparent-thread
1892 "s" gnus-summary-show-thread
1893 "S" gnus-summary-show-all-threads
1894 "h" gnus-summary-hide-thread
1895 "H" gnus-summary-hide-all-threads
1896 "n" gnus-summary-next-thread
1897 "p" gnus-summary-prev-thread
1898 "u" gnus-summary-up-thread
1899 "o" gnus-summary-top-thread
1900 "d" gnus-summary-down-thread
1901 "#" gnus-uu-mark-thread
1902 "\M-#" gnus-uu-unmark-thread)
1904 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1905 "g" gnus-summary-prepare
1906 "c" gnus-summary-insert-cached-articles
1907 "d" gnus-summary-insert-dormant-articles)
1909 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1910 "c" gnus-summary-catchup-and-exit
1911 "C" gnus-summary-catchup-all-and-exit
1912 "E" gnus-summary-exit-no-update
1913 "Q" gnus-summary-exit
1914 "Z" gnus-summary-exit
1915 "n" gnus-summary-catchup-and-goto-next-group
1916 "p" gnus-summary-catchup-and-goto-prev-group
1917 "R" gnus-summary-reselect-current-group
1918 "G" gnus-summary-rescan-group
1919 "N" gnus-summary-next-group
1920 "s" gnus-summary-save-newsrc
1921 "P" gnus-summary-prev-group)
1923 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1924 " " gnus-summary-next-page
1925 "n" gnus-summary-next-page
1926 "\177" gnus-summary-prev-page
1927 [delete] gnus-summary-prev-page
1928 "p" gnus-summary-prev-page
1929 "\r" gnus-summary-scroll-up
1930 "\M-\r" gnus-summary-scroll-down
1931 "<" gnus-summary-beginning-of-article
1932 ">" gnus-summary-end-of-article
1933 "b" gnus-summary-beginning-of-article
1934 "e" gnus-summary-end-of-article
1935 "^" gnus-summary-refer-parent-article
1936 "r" gnus-summary-refer-parent-article
1937 "D" gnus-summary-enter-digest-group
1938 "R" gnus-summary-refer-references
1939 "T" gnus-summary-refer-thread
1940 "g" gnus-summary-show-article
1941 "s" gnus-summary-isearch-article
1942 "P" gnus-summary-print-article
1943 "M" gnus-mailing-list-insinuate
1944 "t" gnus-article-babel)
1946 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1947 "b" gnus-article-add-buttons
1948 "B" gnus-article-add-buttons-to-head
1949 "o" gnus-article-treat-overstrike
1950 "e" gnus-article-emphasize
1951 "w" gnus-article-fill-cited-article
1952 "Q" gnus-article-fill-long-lines
1953 "C" gnus-article-capitalize-sentences
1954 "c" gnus-article-remove-cr
1955 "q" gnus-article-de-quoted-unreadable
1956 "6" gnus-article-de-base64-unreadable
1957 "Z" gnus-article-decode-HZ
1958 "A" gnus-article-treat-ansi-sequences
1959 "h" gnus-article-wash-html
1960 "u" gnus-article-unsplit-urls
1961 "s" gnus-summary-force-verify-and-decrypt
1962 "f" gnus-article-display-x-face
1963 "l" gnus-summary-stop-page-breaking
1964 "r" gnus-summary-caesar-message
1965 "m" gnus-summary-morse-message
1966 "t" gnus-summary-toggle-header
1967 "g" gnus-treat-smiley
1968 "v" gnus-summary-verbose-headers
1969 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1970 "p" gnus-article-verify-x-pgp-sig
1971 "d" gnus-article-treat-dumbquotes
1972 "i" gnus-summary-idna-message)
1974 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1975 ;; mnemonic: deuglif*Y*
1976 "u" gnus-article-outlook-unwrap-lines
1977 "a" gnus-article-outlook-repair-attribution
1978 "c" gnus-article-outlook-rearrange-citation
1979 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1981 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1982 "a" gnus-article-hide
1983 "h" gnus-article-hide-headers
1984 "b" gnus-article-hide-boring-headers
1985 "s" gnus-article-hide-signature
1986 "c" gnus-article-hide-citation
1987 "C" gnus-article-hide-citation-in-followups
1988 "l" gnus-article-hide-list-identifiers
1989 "B" gnus-article-strip-banner
1990 "P" gnus-article-hide-pem
1991 "\C-c" gnus-article-hide-citation-maybe)
1993 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1994 "a" gnus-article-highlight
1995 "h" gnus-article-highlight-headers
1996 "c" gnus-article-highlight-citation
1997 "s" gnus-article-highlight-signature)
1999 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2000 "f" gnus-article-treat-fold-headers
2001 "u" gnus-article-treat-unfold-headers
2002 "n" gnus-article-treat-fold-newsgroups)
2004 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2005 "x" gnus-article-display-x-face
2006 "d" gnus-article-display-face
2007 "s" gnus-treat-smiley
2008 "D" gnus-article-remove-images
2009 "f" gnus-treat-from-picon
2010 "m" gnus-treat-mail-picon
2011 "n" gnus-treat-newsgroups-picon)
2013 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2014 "w" gnus-article-decode-mime-words
2015 "c" gnus-article-decode-charset
2016 "v" gnus-mime-view-all-parts
2017 "b" gnus-article-view-part)
2019 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2020 "z" gnus-article-date-ut
2021 "u" gnus-article-date-ut
2022 "l" gnus-article-date-local
2023 "p" gnus-article-date-english
2024 "e" gnus-article-date-lapsed
2025 "o" gnus-article-date-original
2026 "i" gnus-article-date-iso8601
2027 "s" gnus-article-date-user)
2029 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2030 "t" gnus-article-remove-trailing-blank-lines
2031 "l" gnus-article-strip-leading-blank-lines
2032 "m" gnus-article-strip-multiple-blank-lines
2033 "a" gnus-article-strip-blank-lines
2034 "A" gnus-article-strip-all-blank-lines
2035 "s" gnus-article-strip-leading-space
2036 "e" gnus-article-strip-trailing-space
2037 "w" gnus-article-remove-leading-whitespace)
2039 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2041 "f" gnus-summary-fetch-faq
2042 "d" gnus-summary-describe-group
2043 "h" gnus-summary-describe-briefly
2044 "i" gnus-info-find-node
2045 "c" gnus-group-fetch-charter
2046 "C" gnus-group-fetch-control)
2048 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2049 "e" gnus-summary-expire-articles
2050 "\M-\C-e" gnus-summary-expire-articles-now
2051 "\177" gnus-summary-delete-article
2052 [delete] gnus-summary-delete-article
2053 [backspace] gnus-summary-delete-article
2054 "m" gnus-summary-move-article
2055 "r" gnus-summary-respool-article
2056 "w" gnus-summary-edit-article
2057 "c" gnus-summary-copy-article
2058 "B" gnus-summary-crosspost-article
2059 "q" gnus-summary-respool-query
2060 "t" gnus-summary-respool-trace
2061 "i" gnus-summary-import-article
2062 "I" gnus-summary-create-article
2063 "p" gnus-summary-article-posted-p)
2065 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2066 "o" gnus-summary-save-article
2067 "m" gnus-summary-save-article-mail
2068 "F" gnus-summary-write-article-file
2069 "r" gnus-summary-save-article-rmail
2070 "f" gnus-summary-save-article-file
2071 "b" gnus-summary-save-article-body-file
2072 "h" gnus-summary-save-article-folder
2073 "v" gnus-summary-save-article-vm
2074 "p" gnus-summary-pipe-output
2075 "P" gnus-summary-muttprint
2076 "s" gnus-soup-add-article)
2078 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2079 "b" gnus-summary-display-buttonized
2080 "m" gnus-summary-repair-multipart
2081 "v" gnus-article-view-part
2082 "o" gnus-article-save-part
2083 "O" gnus-article-save-part-and-strip
2084 "r" gnus-article-replace-part
2085 "d" gnus-article-delete-part
2086 "j" gnus-article-jump-to-part
2087 "c" gnus-article-copy-part
2088 "C" gnus-article-view-part-as-charset
2089 "e" gnus-article-view-part-externally
2090 "E" gnus-article-encrypt-body
2091 "i" gnus-article-inline-part
2092 "|" gnus-article-pipe-part)
2094 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2095 "p" gnus-summary-mark-as-processable
2096 "u" gnus-summary-unmark-as-processable
2097 "U" gnus-summary-unmark-all-processable
2098 "v" gnus-uu-mark-over
2099 "s" gnus-uu-mark-series
2100 "r" gnus-uu-mark-region
2101 "g" gnus-uu-unmark-region
2102 "R" gnus-uu-mark-by-regexp
2103 "G" gnus-uu-unmark-by-regexp
2104 "t" gnus-uu-mark-thread
2105 "T" gnus-uu-unmark-thread
2106 "a" gnus-uu-mark-all
2107 "b" gnus-uu-mark-buffer
2108 "S" gnus-uu-mark-sparse
2109 "k" gnus-summary-kill-process-mark
2110 "y" gnus-summary-yank-process-mark
2111 "w" gnus-summary-save-process-mark
2112 "i" gnus-uu-invert-processable)
2114 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2115 ;;"x" gnus-uu-extract-any
2116 "m" gnus-summary-save-parts
2117 "u" gnus-uu-decode-uu
2118 "U" gnus-uu-decode-uu-and-save
2119 "s" gnus-uu-decode-unshar
2120 "S" gnus-uu-decode-unshar-and-save
2121 "o" gnus-uu-decode-save
2122 "O" gnus-uu-decode-save
2123 "b" gnus-uu-decode-binhex
2124 "B" gnus-uu-decode-binhex
2125 "p" gnus-uu-decode-postscript
2126 "P" gnus-uu-decode-postscript-and-save)
2129 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2130 "u" gnus-uu-decode-uu-view
2131 "U" gnus-uu-decode-uu-and-save-view
2132 "s" gnus-uu-decode-unshar-view
2133 "S" gnus-uu-decode-unshar-and-save-view
2134 "o" gnus-uu-decode-save-view
2135 "O" gnus-uu-decode-save-view
2136 "b" gnus-uu-decode-binhex-view
2137 "B" gnus-uu-decode-binhex-view
2138 "p" gnus-uu-decode-postscript-view
2139 "P" gnus-uu-decode-postscript-and-save-view)
2141 (defvar gnus-article-post-menu nil)
2143 (defconst gnus-summary-menu-maxlen 20)
2145 (defun gnus-summary-menu-split (menu)
2146 ;; If we have lots of elements, divide them into groups of 20
2147 ;; and make a pane (or submenu) for each one.
2148 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2149 (let ((menu menu) sublists next
2152 ;; Pull off the next gnus-summary-menu-maxlen elements
2153 ;; and make them the next element of sublist.
2154 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2156 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2158 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2159 (aref (car (last menu)) 0)) menu)
2163 (nreverse sublists))
2164 ;; Few elements--put them all in one pane.
2167 (defun gnus-summary-make-menu-bar ()
2168 (gnus-turn-off-edit-menu 'summary)
2170 (unless (boundp 'gnus-summary-misc-menu)
2173 gnus-summary-kill-menu gnus-summary-mode-map ""
2178 ["Customize" gnus-score-customize t])
2179 (gnus-make-score-map 'increase)
2180 (gnus-make-score-map 'lower)
2182 ["Kill below" gnus-summary-kill-below t]
2183 ["Mark above" gnus-summary-mark-above t]
2184 ["Tick above" gnus-summary-tick-above t]
2185 ["Clear above" gnus-summary-clear-above t])
2186 ["Current score" gnus-summary-current-score t]
2187 ["Set score" gnus-summary-set-score t]
2188 ["Switch current score file..." gnus-score-change-score-file t]
2189 ["Set mark below..." gnus-score-set-mark-below t]
2190 ["Set expunge below..." gnus-score-set-expunge-below t]
2191 ["Edit current score file" gnus-score-edit-current-scores t]
2192 ["Edit score file" gnus-score-edit-file t]
2193 ["Trace score" gnus-score-find-trace t]
2194 ["Find words" gnus-score-find-favourite-words t]
2195 ["Rescore buffer" gnus-summary-rescore t]
2196 ["Increase score..." gnus-summary-increase-score t]
2197 ["Lower score..." gnus-summary-lower-score t]))))
2199 ;; Define both the Article menu in the summary buffer and the
2200 ;; equivalent Commands menu in the article buffer here for
2204 ["All" gnus-article-hide t]
2205 ["Headers" gnus-article-hide-headers t]
2206 ["Signature" gnus-article-hide-signature t]
2207 ["Citation" gnus-article-hide-citation t]
2208 ["List identifiers" gnus-article-hide-list-identifiers t]
2209 ["Banner" gnus-article-strip-banner t]
2210 ["Boring headers" gnus-article-hide-boring-headers t])
2212 ["All" gnus-article-highlight t]
2213 ["Headers" gnus-article-highlight-headers t]
2214 ["Signature" gnus-article-highlight-signature t]
2215 ["Citation" gnus-article-highlight-citation t])
2217 ["Words" gnus-article-decode-mime-words t]
2218 ["Charset" gnus-article-decode-charset t]
2219 ["QP" gnus-article-de-quoted-unreadable t]
2220 ["Base64" gnus-article-de-base64-unreadable t]
2221 ["View MIME buttons" gnus-summary-display-buttonized t]
2222 ["View all" gnus-mime-view-all-parts t]
2223 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2224 ["Encrypt body" gnus-article-encrypt-body
2225 :active (not (gnus-group-read-only-p))
2226 ,@(if (featurep 'xemacs) nil
2227 '(:help "Encrypt the message body on disk"))]
2228 ["Extract all parts..." gnus-summary-save-parts t]
2230 ["Repair multipart" gnus-summary-repair-multipart t]
2231 ["Pipe part..." gnus-article-pipe-part t]
2232 ["Inline part" gnus-article-inline-part t]
2233 ["Encrypt body" gnus-article-encrypt-body
2234 :active (not (gnus-group-read-only-p))
2235 ,@(if (featurep 'xemacs) nil
2236 '(:help "Encrypt the message body on disk"))]
2237 ["View part externally" gnus-article-view-part-externally t]
2238 ["View part with charset..." gnus-article-view-part-as-charset t]
2239 ["Copy part" gnus-article-copy-part t]
2240 ["Save part..." gnus-article-save-part t]
2241 ["View part" gnus-article-view-part t]))
2243 ["Local" gnus-article-date-local t]
2244 ["ISO8601" gnus-article-date-iso8601 t]
2245 ["UT" gnus-article-date-ut t]
2246 ["Original" gnus-article-date-original t]
2247 ["Lapsed" gnus-article-date-lapsed t]
2248 ["User-defined" gnus-article-date-user t])
2250 ["Remove images" gnus-article-remove-images t]
2251 ["Toggle smiley" gnus-treat-smiley t]
2252 ["Show X-Face" gnus-article-display-x-face t]
2253 ["Show picons in From" gnus-treat-from-picon t]
2254 ["Show picons in mail headers" gnus-treat-mail-picon t]
2255 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2256 ("View as different encoding"
2257 ,@(gnus-summary-menu-split
2260 ;; Since easymenu under Emacs doesn't allow
2261 ;; lambda forms for menu commands, we should
2262 ;; provide intern'ed function symbols.
2263 (let ((command (intern (format "\
2264 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2268 (let ((gnus-summary-show-article-charset-alist
2270 (gnus-summary-show-article 1))))
2271 `[,(symbol-name cs) ,command t]))
2272 (sort (if (fboundp 'coding-system-list)
2273 (coding-system-list)
2274 (mapcar 'car mm-mime-mule-charset-alist))
2278 ["Leading" gnus-article-strip-leading-blank-lines t]
2279 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2280 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2281 ["All of the above" gnus-article-strip-blank-lines t]
2282 ["All" gnus-article-strip-all-blank-lines t]
2283 ["Leading space" gnus-article-strip-leading-space t]
2284 ["Trailing space" gnus-article-strip-trailing-space t]
2285 ["Leading space in headers"
2286 gnus-article-remove-leading-whitespace t])
2287 ["Overstrike" gnus-article-treat-overstrike t]
2288 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2289 ["Emphasis" gnus-article-emphasize t]
2290 ["Word wrap" gnus-article-fill-cited-article t]
2291 ["Fill long lines" gnus-article-fill-long-lines t]
2292 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2293 ["Remove CR" gnus-article-remove-cr t]
2294 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2295 ["Base64" gnus-article-de-base64-unreadable t]
2296 ["Rot 13" gnus-summary-caesar-message
2297 ,@(if (featurep 'xemacs) '(t)
2298 '(:help "\"Caesar rotate\" article by 13"))]
2299 ["De-IDNA" gnus-summary-idna-message t]
2300 ["Morse decode" gnus-summary-morse-message t]
2301 ["Unix pipe..." gnus-summary-pipe-message t]
2302 ["Add buttons" gnus-article-add-buttons t]
2303 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2304 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2305 ["Verbose header" gnus-summary-verbose-headers t]
2306 ["Toggle header" gnus-summary-toggle-header t]
2307 ["Unfold headers" gnus-article-treat-unfold-headers t]
2308 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2309 ["Html" gnus-article-wash-html t]
2310 ["Unsplit URLs" gnus-article-unsplit-urls t]
2311 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2312 ["Decode HZ" gnus-article-decode-HZ t]
2313 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2314 ("(Outlook) Deuglify"
2315 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2316 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2317 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2318 ["Full (Outlook) deuglify"
2319 gnus-article-outlook-deuglify-article t])
2322 ["Save in default format..." gnus-summary-save-article
2323 ,@(if (featurep 'xemacs) '(t)
2324 '(:help "Save article using default method"))]
2325 ["Save in file..." gnus-summary-save-article-file
2326 ,@(if (featurep 'xemacs) '(t)
2327 '(:help "Save article in file"))]
2328 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2329 ["Save in MH folder..." gnus-summary-save-article-folder t]
2330 ["Save in VM folder..." gnus-summary-save-article-vm t]
2331 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2332 ["Save body in file..." gnus-summary-save-article-body-file t]
2333 ["Pipe through a filter..." gnus-summary-pipe-output t]
2334 ["Add to SOUP packet" gnus-soup-add-article t]
2335 ["Print with Muttprint..." gnus-summary-muttprint t]
2336 ["Print" gnus-summary-print-article
2337 ,@(if (featurep 'xemacs) '(t)
2338 '(:help "Generate and print a PostScript image"))])
2339 ("Copy, move,... (Backend)"
2340 ,@(if (featurep 'xemacs) nil
2341 '(:help "Copying, moving, expiring articles..."))
2342 ["Respool article..." gnus-summary-respool-article t]
2343 ["Move article..." gnus-summary-move-article
2344 (gnus-check-backend-function
2345 'request-move-article gnus-newsgroup-name)]
2346 ["Copy article..." gnus-summary-copy-article t]
2347 ["Crosspost article..." gnus-summary-crosspost-article
2348 (gnus-check-backend-function
2349 'request-replace-article gnus-newsgroup-name)]
2350 ["Import file..." gnus-summary-import-article
2351 (gnus-check-backend-function
2352 'request-accept-article gnus-newsgroup-name)]
2353 ["Create article..." gnus-summary-create-article
2354 (gnus-check-backend-function
2355 'request-accept-article gnus-newsgroup-name)]
2356 ["Check if posted" gnus-summary-article-posted-p t]
2357 ["Edit article" gnus-summary-edit-article
2358 (not (gnus-group-read-only-p))]
2359 ["Delete article" gnus-summary-delete-article
2360 (gnus-check-backend-function
2361 'request-expire-articles gnus-newsgroup-name)]
2362 ["Query respool" gnus-summary-respool-query t]
2363 ["Trace respool" gnus-summary-respool-trace t]
2364 ["Delete expirable articles" gnus-summary-expire-articles-now
2365 (gnus-check-backend-function
2366 'request-expire-articles gnus-newsgroup-name)])
2368 ["Uudecode" gnus-uu-decode-uu
2369 ,@(if (featurep 'xemacs) '(t)
2370 '(:help "Decode uuencoded article(s)"))]
2371 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2372 ["Unshar" gnus-uu-decode-unshar t]
2373 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2374 ["Save" gnus-uu-decode-save t]
2375 ["Binhex" gnus-uu-decode-binhex t]
2376 ["Postscript" gnus-uu-decode-postscript t]
2377 ["All MIME parts" gnus-summary-save-parts t])
2379 ["Enter article" gnus-cache-enter-article t]
2380 ["Remove article" gnus-cache-remove-article t])
2381 ["Translate" gnus-article-babel t]
2382 ["Select article buffer" gnus-summary-select-article-buffer t]
2383 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2384 ["Isearch article..." gnus-summary-isearch-article t]
2385 ["Beginning of the article" gnus-summary-beginning-of-article t]
2386 ["End of the article" gnus-summary-end-of-article t]
2387 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2388 ["Fetch referenced articles" gnus-summary-refer-references t]
2389 ["Fetch current thread" gnus-summary-refer-thread t]
2390 ["Fetch article with id..." gnus-summary-refer-article t]
2391 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2392 ["Redisplay" gnus-summary-show-article t]
2393 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2395 gnus-summary-article-menu gnus-summary-mode-map ""
2396 (cons "Article" innards))
2398 (if (not (keymapp gnus-summary-article-menu))
2400 gnus-article-commands-menu gnus-article-mode-map ""
2401 (cons "Commands" innards))
2402 ;; in Emacs, don't share menu.
2403 (setq gnus-article-commands-menu
2404 (copy-keymap gnus-summary-article-menu))
2405 (define-key gnus-article-mode-map [menu-bar commands]
2406 (cons "Commands" gnus-article-commands-menu))))
2409 gnus-summary-thread-menu gnus-summary-mode-map ""
2411 ["Find all messages in thread" gnus-summary-refer-thread t]
2412 ["Toggle threading" gnus-summary-toggle-threads t]
2413 ["Hide threads" gnus-summary-hide-all-threads t]
2414 ["Show threads" gnus-summary-show-all-threads t]
2415 ["Hide thread" gnus-summary-hide-thread t]
2416 ["Show thread" gnus-summary-show-thread t]
2417 ["Go to next thread" gnus-summary-next-thread t]
2418 ["Go to previous thread" gnus-summary-prev-thread t]
2419 ["Go down thread" gnus-summary-down-thread t]
2420 ["Go up thread" gnus-summary-up-thread t]
2421 ["Top of thread" gnus-summary-top-thread t]
2422 ["Mark thread as read" gnus-summary-kill-thread t]
2423 ["Lower thread score" gnus-summary-lower-thread t]
2424 ["Raise thread score" gnus-summary-raise-thread t]
2425 ["Rethread current" gnus-summary-rethread-current t]))
2428 gnus-summary-post-menu gnus-summary-mode-map ""
2430 ["Send a message (mail or news)" gnus-summary-post-news
2431 ,@(if (featurep 'xemacs) '(t)
2432 '(:help "Compose a new message (mail or news)"))]
2433 ["Followup" gnus-summary-followup
2434 ,@(if (featurep 'xemacs) '(t)
2435 '(:help "Post followup to this article"))]
2436 ["Followup and yank" gnus-summary-followup-with-original
2437 ,@(if (featurep 'xemacs) '(t)
2438 '(:help "Post followup to this article, quoting its contents"))]
2439 ["Supersede article" gnus-summary-supersede-article t]
2440 ["Cancel article" gnus-summary-cancel-article
2441 ,@(if (featurep 'xemacs) '(t)
2442 '(:help "Cancel an article you posted"))]
2443 ["Reply" gnus-summary-reply t]
2444 ["Reply and yank" gnus-summary-reply-with-original t]
2445 ["Wide reply" gnus-summary-wide-reply t]
2446 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2447 ,@(if (featurep 'xemacs) '(t)
2448 '(:help "Mail a reply, quoting this article"))]
2449 ["Very wide reply" gnus-summary-very-wide-reply t]
2450 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2451 ,@(if (featurep 'xemacs) '(t)
2452 '(:help "Mail a very wide reply, quoting this article"))]
2453 ["Mail forward" gnus-summary-mail-forward t]
2454 ["Post forward" gnus-summary-post-forward t]
2455 ["Digest and mail" gnus-uu-digest-mail-forward t]
2456 ["Digest and post" gnus-uu-digest-post-forward t]
2457 ["Resend message" gnus-summary-resend-message t]
2458 ["Resend message edit" gnus-summary-resend-message-edit t]
2459 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2460 ["Send a mail" gnus-summary-mail-other-window t]
2461 ["Create a local message" gnus-summary-news-other-window t]
2462 ["Uuencode and post" gnus-uu-post-news
2463 ,@(if (featurep 'xemacs) '(t)
2464 '(:help "Post a uuencoded article"))]
2465 ["Followup via news" gnus-summary-followup-to-mail t]
2466 ["Followup via news and yank"
2467 gnus-summary-followup-to-mail-with-original t]
2469 ;;["Send" gnus-summary-send-draft t]
2470 ;;["Send bounced" gnus-resend-bounced-mail t])
2474 ((not (keymapp gnus-summary-post-menu))
2475 (setq gnus-article-post-menu gnus-summary-post-menu))
2476 ((not gnus-article-post-menu)
2477 ;; Don't share post menu.
2478 (setq gnus-article-post-menu
2479 (copy-keymap gnus-summary-post-menu))))
2480 (define-key gnus-article-mode-map [menu-bar post]
2481 (cons "Post" gnus-article-post-menu))
2484 gnus-summary-misc-menu gnus-summary-mode-map ""
2487 ["Mark as read" gnus-summary-mark-as-read-forward t]
2488 ["Mark same subject and select"
2489 gnus-summary-kill-same-subject-and-select t]
2490 ["Mark same subject" gnus-summary-kill-same-subject t]
2491 ["Catchup" gnus-summary-catchup
2492 ,@(if (featurep 'xemacs) '(t)
2493 '(:help "Mark unread articles in this group as read"))]
2494 ["Catchup all" gnus-summary-catchup-all t]
2495 ["Catchup to here" gnus-summary-catchup-to-here t]
2496 ["Catchup from here" gnus-summary-catchup-from-here t]
2497 ["Catchup region" gnus-summary-mark-region-as-read
2498 (gnus-mark-active-p)]
2499 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2501 ["Tick" gnus-summary-tick-article-forward t]
2502 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2503 ["Remove marks" gnus-summary-clear-mark-forward t]
2504 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2505 ["Set bookmark" gnus-summary-set-bookmark t]
2506 ["Remove bookmark" gnus-summary-remove-bookmark t])
2508 ["Marks..." gnus-summary-limit-to-marks t]
2509 ["Subject..." gnus-summary-limit-to-subject t]
2510 ["Author..." gnus-summary-limit-to-author t]
2511 ["Recipient..." gnus-summary-limit-to-recipient t]
2512 ["Age..." gnus-summary-limit-to-age t]
2513 ["Extra..." gnus-summary-limit-to-extra t]
2514 ["Score..." gnus-summary-limit-to-score t]
2515 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2516 ["Unread" gnus-summary-limit-to-unread t]
2517 ["Unseen" gnus-summary-limit-to-unseen t]
2518 ["Replied" gnus-summary-limit-to-replied t]
2519 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2520 ["Next articles" gnus-summary-limit-to-articles t]
2521 ["Pop limit" gnus-summary-pop-limit t]
2522 ["Show dormant" gnus-summary-limit-include-dormant t]
2523 ["Hide childless dormant"
2524 gnus-summary-limit-exclude-childless-dormant t]
2525 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2526 ["Hide marked" gnus-summary-limit-exclude-marks t]
2527 ["Show expunged" gnus-summary-limit-include-expunged t])
2529 ["Set mark" gnus-summary-mark-as-processable t]
2530 ["Remove mark" gnus-summary-unmark-as-processable t]
2531 ["Remove all marks" gnus-summary-unmark-all-processable t]
2532 ["Invert marks" gnus-uu-invert-processable t]
2533 ["Mark above" gnus-uu-mark-over t]
2534 ["Mark series" gnus-uu-mark-series t]
2535 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2536 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2537 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2538 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2539 ["Mark all" gnus-uu-mark-all t]
2540 ["Mark buffer" gnus-uu-mark-buffer t]
2541 ["Mark sparse" gnus-uu-mark-sparse t]
2542 ["Mark thread" gnus-uu-mark-thread t]
2543 ["Unmark thread" gnus-uu-unmark-thread t]
2544 ("Process Mark Sets"
2545 ["Kill" gnus-summary-kill-process-mark t]
2546 ["Yank" gnus-summary-yank-process-mark
2547 gnus-newsgroup-process-stack]
2548 ["Save" gnus-summary-save-process-mark t]
2549 ["Run command on marked..." gnus-summary-universal-argument t]))
2551 ["Page forward" gnus-summary-next-page
2552 ,@(if (featurep 'xemacs) '(t)
2553 '(:help "Show next page of article"))]
2554 ["Page backward" gnus-summary-prev-page
2555 ,@(if (featurep 'xemacs) '(t)
2556 '(:help "Show previous page of article"))]
2557 ["Line forward" gnus-summary-scroll-up t])
2559 ["Next unread article" gnus-summary-next-unread-article t]
2560 ["Previous unread article" gnus-summary-prev-unread-article t]
2561 ["Next article" gnus-summary-next-article t]
2562 ["Previous article" gnus-summary-prev-article t]
2563 ["Next unread subject" gnus-summary-next-unread-subject t]
2564 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2565 ["Next article same subject" gnus-summary-next-same-subject t]
2566 ["Previous article same subject" gnus-summary-prev-same-subject t]
2567 ["First unread article" gnus-summary-first-unread-article t]
2568 ["Best unread article" gnus-summary-best-unread-article t]
2569 ["Go to subject number..." gnus-summary-goto-subject t]
2570 ["Go to article number..." gnus-summary-goto-article t]
2571 ["Go to the last article" gnus-summary-goto-last-article t]
2572 ["Pop article off history" gnus-summary-pop-article t])
2574 ["Sort by number" gnus-summary-sort-by-number t]
2575 ["Sort by author" gnus-summary-sort-by-author t]
2576 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2577 ["Sort by subject" gnus-summary-sort-by-subject t]
2578 ["Sort by date" gnus-summary-sort-by-date t]
2579 ["Sort by score" gnus-summary-sort-by-score t]
2580 ["Sort by lines" gnus-summary-sort-by-lines t]
2581 ["Sort by characters" gnus-summary-sort-by-chars t]
2582 ["Randomize" gnus-summary-sort-by-random t]
2583 ["Original sort" gnus-summary-sort-by-original t])
2585 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2586 ["Describe group" gnus-summary-describe-group t]
2587 ["Fetch charter" gnus-group-fetch-charter
2588 ,@(if (featurep 'xemacs) nil
2589 '(:help "Display the charter of the current group"))]
2590 ["Fetch control message" gnus-group-fetch-control
2591 ,@(if (featurep 'xemacs) nil
2592 '(:help "Display the archived control message for the current group"))]
2593 ["Read manual" gnus-info-find-node t])
2595 ["Pick and read" gnus-pick-mode t]
2596 ["Binary" gnus-binary-mode t])
2598 ["Regenerate" gnus-summary-prepare t]
2599 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2600 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2601 ["Toggle threading" gnus-summary-toggle-threads t])
2602 ["See old articles" gnus-summary-insert-old-articles t]
2603 ["See new articles" gnus-summary-insert-new-articles t]
2604 ["Filter articles..." gnus-summary-execute-command t]
2605 ["Run command on articles..." gnus-summary-universal-argument t]
2606 ["Search articles forward..." gnus-summary-search-article-forward t]
2607 ["Search articles backward..." gnus-summary-search-article-backward t]
2608 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2609 ["Expand window" gnus-summary-expand-window t]
2610 ["Expire expirable articles" gnus-summary-expire-articles
2611 (gnus-check-backend-function
2612 'request-expire-articles gnus-newsgroup-name)]
2613 ["Edit local kill file" gnus-summary-edit-local-kill t]
2614 ["Edit main kill file" gnus-summary-edit-global-kill t]
2615 ["Edit group parameters" gnus-summary-edit-parameters t]
2616 ["Customize group parameters" gnus-summary-customize-parameters t]
2617 ["Send a bug report" gnus-bug t]
2619 ["Catchup and exit" gnus-summary-catchup-and-exit
2620 ,@(if (featurep 'xemacs) '(t)
2621 '(:help "Mark unread articles in this group as read, then exit"))]
2622 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2623 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2624 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2625 ["Exit group" gnus-summary-exit
2626 ,@(if (featurep 'xemacs) '(t)
2627 '(:help "Exit current group, return to group selection mode"))]
2628 ["Exit group without updating" gnus-summary-exit-no-update t]
2629 ["Exit and goto next group" gnus-summary-next-group t]
2630 ["Exit and goto prev group" gnus-summary-prev-group t]
2631 ["Reselect group" gnus-summary-reselect-current-group t]
2632 ["Rescan group" gnus-summary-rescan-group t]
2633 ["Update dribble" gnus-summary-save-newsrc t])))
2635 (gnus-run-hooks 'gnus-summary-menu-hook)))
2637 (defvar gnus-summary-tool-bar-map nil)
2639 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2640 ;; affect _new_ message buffers. We might add a function that walks thru all
2641 ;; summary-mode buffers and force the update.
2642 (defun gnus-summary-tool-bar-update (&optional symbol value)
2643 "Update summary mode toolbar.
2644 Setter function for custom variables."
2645 (setq-default gnus-summary-tool-bar-map nil)
2647 ;; When used as ":set" function:
2648 (set-default symbol value))
2649 (when (gnus-buffer-live-p gnus-summary-buffer)
2650 (with-current-buffer gnus-summary-buffer
2651 (gnus-summary-make-tool-bar))))
2653 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2654 'gnus-summary-tool-bar-gnome
2655 'gnus-summary-tool-bar-retro)
2656 "Specifies the Gnus summary tool bar.
2658 It can be either a list or a symbol refering to a list. See
2659 `gmm-tool-bar-from-list' for the format of the list. The
2660 default key map is `gnus-summary-mode-map'.
2662 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2663 `gnus-summary-tool-bar-retro'."
2664 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2665 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2666 (repeat :tag "User defined list" gmm-tool-bar-item)
2668 :version "23.0" ;; No Gnus
2669 :initialize 'custom-initialize-default
2670 :set 'gnus-summary-tool-bar-update
2671 :group 'gnus-summary)
2673 (defcustom gnus-summary-tool-bar-gnome
2674 '((gnus-summary-post-news "mail/compose" nil)
2675 (gnus-summary-insert-new-articles "mail/inbox" nil
2676 :visible (or (not gnus-agent)
2678 (gnus-summary-reply-with-original "mail/reply")
2679 (gnus-summary-reply "mail/reply" nil :visible nil)
2680 (gnus-summary-followup-with-original "mail/reply-all")
2681 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2682 (gnus-summary-mail-forward "mail/forward")
2683 (gnus-summary-save-article "mail/save")
2684 (gnus-summary-search-article-forward "search" nil :visible nil)
2685 (gnus-summary-print-article "print")
2686 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2687 ;; Some new commands that may need more suitable icons:
2688 (gnus-summary-save-newsrc "save" nil :visible nil)
2689 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2690 (gnus-summary-prev-article "left-arrow")
2691 (gnus-summary-next-article "right-arrow")
2692 (gnus-summary-next-page "next-page")
2693 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2695 ;; Maybe some sort-by-... could be added:
2696 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2697 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2698 (gnus-summary-mark-as-expirable
2700 :visible (gnus-check-backend-function 'request-expire-articles
2701 gnus-newsgroup-name))
2702 (gnus-summary-mark-as-spam
2704 :visible (and (fboundp 'spam-group-ham-contents-p)
2705 (spam-group-ham-contents-p gnus-newsgroup-name))
2706 :help "Mark as spam")
2707 (gnus-summary-mark-as-read-forward
2709 :visible (and (fboundp 'spam-group-spam-contents-p)
2710 (spam-group-spam-contents-p gnus-newsgroup-name)))
2712 (gnus-summary-exit "exit")
2713 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2714 (gnus-info-find-node "help"))
2715 "List of functions for the summary tool bar (GNOME style).
2717 See `gmm-tool-bar-from-list' for the format of the list."
2718 :type '(repeat gmm-tool-bar-item)
2719 :version "23.0" ;; No Gnus
2720 :initialize 'custom-initialize-default
2721 :set 'gnus-summary-tool-bar-update
2722 :group 'gnus-summary)
2724 (defcustom gnus-summary-tool-bar-retro
2725 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2726 (gnus-summary-next-unread-article "gnus/next-ur")
2727 (gnus-summary-post-news "gnus/post")
2728 (gnus-summary-followup-with-original "gnus/fuwo")
2729 (gnus-summary-followup "gnus/followup")
2730 (gnus-summary-reply-with-original "gnus/reply-wo")
2731 (gnus-summary-reply "gnus/reply")
2732 (gnus-summary-caesar-message "gnus/rot13")
2733 (gnus-uu-decode-uu "gnus/uu-decode")
2734 (gnus-summary-save-article-file "gnus/save-aif")
2735 (gnus-summary-save-article "gnus/save-art")
2736 (gnus-uu-post-news "gnus/uu-post")
2737 (gnus-summary-catchup "gnus/catchup")
2738 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2739 (gnus-summary-exit "gnus/exit-summ")
2740 ;; Some new command that may need more suitable icons:
2741 (gnus-summary-print-article "gnus/print" nil :visible nil)
2742 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2743 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2744 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2745 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2746 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2747 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2749 (gnus-info-find-node "gnus/help" nil :visible nil))
2750 "List of functions for the summary tool bar (retro look).
2752 See `gmm-tool-bar-from-list' for the format of the list."
2753 :type '(repeat gmm-tool-bar-item)
2754 :version "23.0" ;; No Gnus
2755 :initialize 'custom-initialize-default
2756 :set 'gnus-summary-tool-bar-update
2757 :group 'gnus-summary)
2759 (defcustom gnus-summary-tool-bar-zap-list t
2760 "List of icon items from the global tool bar.
2761 These items are not displayed in the Gnus summary mode tool bar.
2763 See `gmm-tool-bar-from-list' for the format of the list."
2764 :type 'gmm-tool-bar-zap-list
2765 :version "23.0" ;; No Gnus
2766 :initialize 'custom-initialize-default
2767 :set 'gnus-summary-tool-bar-update
2768 :group 'gnus-summary)
2770 (defvar image-load-path)
2772 (defun gnus-summary-make-tool-bar (&optional force)
2773 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2774 When FORCE, rebuild the tool bar."
2775 (when (and (not (featurep 'xemacs))
2776 (boundp 'tool-bar-mode)
2778 (or (not gnus-summary-tool-bar-map) force))
2780 (gmm-image-load-path-for-library "gnus"
2783 (image-load-path (cons (car load-path)
2784 (when (boundp 'image-load-path)
2786 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2787 gnus-summary-tool-bar-zap-list
2788 'gnus-summary-mode-map)))
2790 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2792 (setq gnus-summary-tool-bar-map map))))
2793 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2795 (defun gnus-score-set-default (var value)
2796 "A version of set that updates the GNU Emacs menu-bar."
2798 ;; It is the message that forces the active status to be updated.
2801 (defun gnus-make-score-map (type)
2802 "Make a summary score map of type TYPE."
2805 (let ((headers '(("author" "from" string)
2806 ("subject" "subject" string)
2807 ("article body" "body" string)
2808 ("article head" "head" string)
2809 ("xref" "xref" string)
2810 ("extra header" "extra" string)
2811 ("lines" "lines" number)
2812 ("followups to author" "followup" string)))
2813 (types '((number ("less than" <)
2816 (string ("substring" s)
2820 (perms '(("temporary" (current-time-string))
2828 (if (eq type 'lower)
2833 (setq header (car headers))
2839 (let ((ts (cdr (assoc (nth 2 header) types)))
2855 'gnus-summary-score-entry
2857 (if (or (string= (nth 1 header)
2859 (string= (nth 1 header)
2862 (list 'gnus-summary-header
2864 (list 'quote (nth 1 (car ts)))
2865 (list 'gnus-score-delta-default
2872 (list (nreverse outp))))
2875 (list (nreverse outt))))
2877 (setq headers (cdr headers)))
2878 (list (nreverse outh))))))))
2882 (defun gnus-summary-mode (&optional group)
2883 "Major mode for reading articles.
2885 All normal editing commands are switched off.
2886 \\<gnus-summary-mode-map>
2887 Each line in this buffer represents one article. To read an
2888 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2889 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2892 You can also post articles and send mail from this buffer. To
2893 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2894 of an article, type `\\[gnus-summary-reply]'.
2896 There are approx. one gazillion commands you can execute in this
2897 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2899 The following commands are available:
2901 \\{gnus-summary-mode-map}"
2903 (kill-all-local-variables)
2904 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2905 (gnus-summary-make-local-variables))
2906 (gnus-summary-make-local-variables)
2907 (setq gnus-newsgroup-name group)
2908 (when (gnus-visual-p 'summary-menu 'menu)
2909 (gnus-summary-make-menu-bar)
2910 (gnus-summary-make-tool-bar))
2911 (gnus-make-thread-indent-array)
2912 (gnus-simplify-mode-line)
2913 (setq major-mode 'gnus-summary-mode)
2914 (setq mode-name "Summary")
2915 (make-local-variable 'minor-mode-alist)
2916 (use-local-map gnus-summary-mode-map)
2917 (buffer-disable-undo)
2918 (setq buffer-read-only t ;Disable modification
2919 show-trailing-whitespace nil)
2920 (setq truncate-lines t)
2921 (setq selective-display t)
2922 (setq selective-display-ellipses t) ;Display `...'
2923 (gnus-summary-set-display-table)
2924 (gnus-set-default-directory)
2925 (make-local-variable 'gnus-summary-line-format)
2926 (make-local-variable 'gnus-summary-line-format-spec)
2927 (make-local-variable 'gnus-summary-dummy-line-format)
2928 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2929 (make-local-variable 'gnus-summary-mark-positions)
2930 (gnus-make-local-hook 'pre-command-hook)
2931 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2932 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
2933 (turn-on-gnus-mailing-list-mode)
2934 (mm-enable-multibyte)
2935 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2936 (gnus-update-summary-mark-positions))
2938 (defun gnus-summary-make-local-variables ()
2939 "Make all the local summary buffer variables."
2941 (dolist (local gnus-summary-local-variables)
2944 (if (eq (cdr local) 'global)
2945 ;; Copy the global value of the variable.
2946 (setq global (symbol-value (car local)))
2947 ;; Use the value from the list.
2948 (setq global (eval (cdr local))))
2949 (set (make-local-variable (car local)) global))
2950 ;; Simple nil-valued local variable.
2951 (set (make-local-variable local) nil)))))
2953 (defun gnus-summary-clear-local-variables ()
2954 (let ((locals gnus-summary-local-variables))
2956 (if (consp (car locals))
2957 (and (symbolp (caar locals))
2958 (set (caar locals) nil))
2959 (and (symbolp (car locals))
2960 (set (car locals) nil)))
2961 (setq locals (cdr locals)))))
2963 ;; Summary data functions.
2965 (defmacro gnus-data-number (data)
2968 (defmacro gnus-data-set-number (data number)
2969 `(setcar ,data ,number))
2971 (defmacro gnus-data-mark (data)
2974 (defmacro gnus-data-set-mark (data mark)
2975 `(setcar (nthcdr 1 ,data) ,mark))
2977 (defmacro gnus-data-pos (data)
2980 (defmacro gnus-data-set-pos (data pos)
2981 `(setcar (nthcdr 2 ,data) ,pos))
2983 (defmacro gnus-data-header (data)
2986 (defmacro gnus-data-set-header (data header)
2987 `(setf (nth 3 ,data) ,header))
2989 (defmacro gnus-data-level (data)
2992 (defmacro gnus-data-unread-p (data)
2993 `(= (nth 1 ,data) gnus-unread-mark))
2995 (defmacro gnus-data-read-p (data)
2996 `(/= (nth 1 ,data) gnus-unread-mark))
2998 (defmacro gnus-data-pseudo-p (data)
2999 `(consp (nth 3 ,data)))
3001 (defmacro gnus-data-find (number)
3002 `(assq ,number gnus-newsgroup-data))
3004 (defmacro gnus-data-find-list (number &optional data)
3005 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3006 (memq (assq ,number bdata)
3009 (defmacro gnus-data-make (number mark pos header level)
3010 `(list ,number ,mark ,pos ,header ,level))
3012 (defun gnus-data-enter (after-article number mark pos header level offset)
3013 (let ((data (gnus-data-find-list after-article)))
3015 (error "No such article: %d" after-article))
3016 (setcdr data (cons (gnus-data-make number mark pos header level)
3018 (setq gnus-newsgroup-data-reverse nil)
3019 (gnus-data-update-list (cddr data) offset)))
3021 (defun gnus-data-enter-list (after-article list &optional offset)
3023 (let ((data (and after-article (gnus-data-find-list after-article)))
3027 (let ((odata gnus-newsgroup-data))
3028 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3030 (gnus-data-update-list odata offset)))
3031 ;; Find the last element in the list to be spliced into the main
3033 (setq list (last list))
3036 (setcdr list gnus-newsgroup-data)
3037 (setq gnus-newsgroup-data ilist)
3039 (gnus-data-update-list (cdr list) offset)))
3040 (setcdr list (cdr data))
3043 (gnus-data-update-list (cdr list) offset))))
3044 (setq gnus-newsgroup-data-reverse nil))))
3046 (defun gnus-data-remove (article &optional offset)
3047 (let ((data gnus-newsgroup-data))
3048 (if (= (gnus-data-number (car data)) article)
3050 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3051 gnus-newsgroup-data-reverse nil)
3053 (gnus-data-update-list gnus-newsgroup-data offset)))
3055 (when (= (gnus-data-number (cadr data)) article)
3056 (setcdr data (cddr data))
3058 (gnus-data-update-list (cdr data) offset))
3060 gnus-newsgroup-data-reverse nil))
3061 (setq data (cdr data))))))
3063 (defmacro gnus-data-list (backward)
3065 (or gnus-newsgroup-data-reverse
3066 (setq gnus-newsgroup-data-reverse
3067 (reverse gnus-newsgroup-data)))
3068 gnus-newsgroup-data))
3070 (defun gnus-data-update-list (data offset)
3071 "Add OFFSET to the POS of all data entries in DATA."
3072 (setq gnus-newsgroup-data-reverse nil)
3074 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3075 (setq data (cdr data))))
3077 (defun gnus-summary-article-pseudo-p (article)
3078 "Say whether this article is a pseudo article or not."
3079 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3081 (defmacro gnus-summary-article-sparse-p (article)
3082 "Say whether this article is a sparse article or not."
3083 `(memq ,article gnus-newsgroup-sparse))
3085 (defmacro gnus-summary-article-ancient-p (article)
3086 "Say whether this article is a sparse article or not."
3087 `(memq ,article gnus-newsgroup-ancient))
3089 (defun gnus-article-parent-p (number)
3090 "Say whether this article is a parent or not."
3091 (let ((data (gnus-data-find-list number)))
3092 (and (cdr data) ; There has to be an article after...
3093 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3094 (gnus-data-level (nth 1 data))))))
3096 (defun gnus-article-children (number)
3097 "Return a list of all children to NUMBER."
3098 (let* ((data (gnus-data-find-list number))
3099 (level (gnus-data-level (car data)))
3101 (setq data (cdr data))
3103 (= (gnus-data-level (car data)) (1+ level)))
3104 (push (gnus-data-number (car data)) children)
3105 (setq data (cdr data)))
3108 (defmacro gnus-summary-skip-intangible ()
3109 "If the current article is intangible, then jump to a different article."
3110 '(let ((to (get-text-property (point) 'gnus-intangible)))
3111 (and to (gnus-summary-goto-subject to))))
3113 (defmacro gnus-summary-article-intangible-p ()
3114 "Say whether this article is intangible or not."
3115 '(get-text-property (point) 'gnus-intangible))
3117 (defun gnus-article-read-p (article)
3118 "Say whether ARTICLE is read or not."
3119 (not (or (memq article gnus-newsgroup-marked)
3120 (memq article gnus-newsgroup-spam-marked)
3121 (memq article gnus-newsgroup-unreads)
3122 (memq article gnus-newsgroup-unselected)
3123 (memq article gnus-newsgroup-dormant))))
3125 ;; Some summary mode macros.
3127 (defmacro gnus-summary-article-number ()
3128 "The article number of the article on the current line.
3129 If there isn't an article number here, then we return the current
3132 (gnus-summary-skip-intangible)
3133 (or (get-text-property (point) 'gnus-number)
3134 (gnus-summary-last-subject))))
3136 (defmacro gnus-summary-article-header (&optional number)
3137 "Return the header of article NUMBER."
3138 `(gnus-data-header (gnus-data-find
3139 ,(or number '(gnus-summary-article-number)))))
3141 (defmacro gnus-summary-thread-level (&optional number)
3142 "Return the level of thread that starts with article NUMBER."
3143 `(if (and (eq gnus-summary-make-false-root 'dummy)
3144 (get-text-property (point) 'gnus-intangible))
3146 (gnus-data-level (gnus-data-find
3147 ,(or number '(gnus-summary-article-number))))))
3149 (defmacro gnus-summary-article-mark (&optional number)
3150 "Return the mark of article NUMBER."
3151 `(gnus-data-mark (gnus-data-find
3152 ,(or number '(gnus-summary-article-number)))))
3154 (defmacro gnus-summary-article-pos (&optional number)
3155 "Return the position of the line of article NUMBER."
3156 `(gnus-data-pos (gnus-data-find
3157 ,(or number '(gnus-summary-article-number)))))
3159 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3160 (defmacro gnus-summary-article-subject (&optional number)
3161 "Return current subject string or nil if nothing."
3164 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3165 '(gnus-data-header (assq (gnus-summary-article-number)
3166 gnus-newsgroup-data)))))
3169 (mail-header-subject headers))))
3171 (defmacro gnus-summary-article-score (&optional number)
3172 "Return current article score."
3173 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3174 gnus-newsgroup-scored))
3175 gnus-summary-default-score 0))
3177 (defun gnus-summary-article-children (&optional number)
3178 "Return a list of article numbers that are children of article NUMBER."
3179 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3180 (level (gnus-data-level (car data)))
3182 (while (and (setq data (cdr data))
3183 (> (setq l (gnus-data-level (car data))) level))
3184 (and (= (1+ level) l)
3185 (push (gnus-data-number (car data))
3187 (nreverse children)))
3189 (defun gnus-summary-article-parent (&optional number)
3190 "Return the article number of the parent of article NUMBER."
3191 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3192 (gnus-data-list t)))
3193 (level (gnus-data-level (car data))))
3195 () ; This is a root.
3196 ;; We search until we find an article with a level less than
3197 ;; this one. That function has to be the parent.
3198 (while (and (setq data (cdr data))
3199 (not (< (gnus-data-level (car data)) level))))
3200 (and data (gnus-data-number (car data))))))
3202 (defun gnus-unread-mark-p (mark)
3203 "Say whether MARK is the unread mark."
3204 (= mark gnus-unread-mark))
3206 (defun gnus-read-mark-p (mark)
3207 "Say whether MARK is one of the marks that mark as read.
3208 This is all marks except unread, ticked, dormant, and expirable."
3209 (not (or (= mark gnus-unread-mark)
3210 (= mark gnus-ticked-mark)
3211 (= mark gnus-spam-mark)
3212 (= mark gnus-dormant-mark)
3213 (= mark gnus-expirable-mark))))
3215 (defmacro gnus-article-mark (number)
3216 "Return the MARK of article NUMBER.
3217 This macro should only be used when computing the mark the \"first\"
3218 time; i.e., when generating the summary lines. After that,
3219 `gnus-summary-article-mark' should be used to examine the
3222 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3223 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3224 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3225 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3226 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3227 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3228 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3229 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3230 gnus-ancient-mark))))
3232 ;; Saving hidden threads.
3234 (defmacro gnus-save-hidden-threads (&rest forms)
3235 "Save hidden threads, eval FORMS, and restore the hidden threads."
3236 (let ((config (make-symbol "config")))
3237 `(let ((,config (gnus-hidden-threads-configuration)))
3241 (gnus-restore-hidden-threads-configuration ,config)))))
3242 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3243 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3245 (defun gnus-data-compute-positions ()
3246 "Compute the positions of all articles."
3247 (setq gnus-newsgroup-data-reverse nil)
3248 (let ((data gnus-newsgroup-data))
3250 (gnus-save-hidden-threads
3251 (gnus-summary-show-all-threads)
3252 (goto-char (point-min))
3254 (while (get-text-property (point) 'gnus-intangible)
3256 (gnus-data-set-pos (car data) (+ (point) 3))
3257 (setq data (cdr data))
3258 (forward-line 1))))))
3260 (defun gnus-hidden-threads-configuration ()
3261 "Return the current hidden threads configuration."
3264 (goto-char (point-min))
3265 (while (search-forward "\r" nil t)
3266 (push (1- (point)) config))
3269 (defun gnus-restore-hidden-threads-configuration (config)
3270 "Restore hidden threads configuration from CONFIG."
3272 (let (point buffer-read-only)
3273 (while (setq point (pop config))
3274 (when (and (< point (point-max))
3276 (eq (char-after) ?\n))
3277 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3279 ;; Various summary mode internalish functions.
3281 (defun gnus-mouse-pick-article (e)
3284 (gnus-summary-next-page nil t))
3286 (defun gnus-summary-set-display-table ()
3287 "Change the display table.
3288 Odd characters have a tendency to mess
3289 up nicely formatted displays - we make all possible glyphs
3290 display only a single character."
3292 ;; We start from the standard display table, if any.
3293 (let ((table (or (copy-sequence standard-display-table)
3294 (make-display-table)))
3296 ;; Nix out all the control chars...
3297 (while (>= (setq i (1- i)) 0)
3298 (aset table i [??]))
3299 ;; ... but not newline and cr, of course. (cr is necessary for the
3300 ;; selective display).
3301 (aset table ?\n nil)
3302 (aset table ?\r nil)
3303 ;; We keep TAB as well.
3304 (aset table ?\t nil)
3305 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3306 ;; Emacs 23 (unicode), that are not set already.
3307 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3310 (while (>= (setq i (1- i)) 127)
3311 ;; Only modify if the entry is nil.
3312 (unless (aref table i)
3313 (aset table i [??]))))
3314 (setq buffer-display-table table)))
3316 (defun gnus-summary-set-article-display-arrow (pos)
3317 "Update the overlay arrow to point to line at position POS."
3318 (when (and gnus-summary-display-arrow
3319 (boundp 'overlay-arrow-position)
3320 (boundp 'overlay-arrow-string))
3324 (unless overlay-arrow-position
3325 (setq overlay-arrow-position (make-marker)))
3326 (setq overlay-arrow-string "=>"
3327 overlay-arrow-position (set-marker overlay-arrow-position
3329 (current-buffer))))))
3331 (defun gnus-summary-setup-buffer (group)
3332 "Initialize summary buffer."
3333 (let ((buffer (gnus-summary-buffer-name group))
3334 (dead-name (concat "*Dead Summary "
3335 (gnus-group-decoded-name group) "*")))
3336 ;; If a dead summary buffer exists, we kill it.
3337 (when (gnus-buffer-live-p dead-name)
3338 (gnus-kill-buffer dead-name))
3339 (if (get-buffer buffer)
3342 (setq gnus-summary-buffer (current-buffer))
3343 (not gnus-newsgroup-prepared))
3344 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3345 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3346 (gnus-summary-mode group)
3348 (gnus-carpal-setup-buffer 'summary))
3349 (unless gnus-single-article-buffer
3350 (make-local-variable 'gnus-article-buffer)
3351 (make-local-variable 'gnus-article-current)
3352 (make-local-variable 'gnus-original-article-buffer))
3353 (setq gnus-newsgroup-name group)
3354 ;; Set any local variables in the group parameters.
3355 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3358 (defun gnus-set-global-variables ()
3359 "Set the global equivalents of the buffer-local variables.
3360 They are set to the latest values they had. These reflect the summary
3361 buffer that was in action when the last article was fetched."
3362 (when (eq major-mode 'gnus-summary-mode)
3363 (setq gnus-summary-buffer (current-buffer))
3364 (let ((name gnus-newsgroup-name)
3365 (marked gnus-newsgroup-marked)
3366 (spam gnus-newsgroup-spam-marked)
3367 (unread gnus-newsgroup-unreads)
3368 (headers gnus-current-headers)
3369 (data gnus-newsgroup-data)
3370 (summary gnus-summary-buffer)
3371 (article-buffer gnus-article-buffer)
3372 (original gnus-original-article-buffer)
3373 (gac gnus-article-current)
3374 (reffed gnus-reffed-article-number)
3375 (score-file gnus-current-score-file)
3376 (default-charset gnus-newsgroup-charset)
3378 (let ((locals gnus-newsgroup-variables))
3380 (if (consp (car locals))
3381 (push (eval (caar locals)) vlist)
3382 (push (eval (car locals)) vlist))
3383 (setq locals (cdr locals)))
3384 (setq vlist (nreverse vlist)))
3385 (with-current-buffer gnus-group-buffer
3386 (setq gnus-newsgroup-name name
3387 gnus-newsgroup-marked marked
3388 gnus-newsgroup-spam-marked spam
3389 gnus-newsgroup-unreads unread
3390 gnus-current-headers headers
3391 gnus-newsgroup-data data
3392 gnus-article-current gac
3393 gnus-summary-buffer summary
3394 gnus-article-buffer article-buffer
3395 gnus-original-article-buffer original
3396 gnus-reffed-article-number reffed
3397 gnus-current-score-file score-file
3398 gnus-newsgroup-charset default-charset)
3399 (let ((locals gnus-newsgroup-variables))
3401 (if (consp (car locals))
3402 (set (caar locals) (pop vlist))
3403 (set (car locals) (pop vlist)))
3404 (setq locals (cdr locals))))
3405 ;; The article buffer also has local variables.
3406 (when (gnus-buffer-live-p gnus-article-buffer)
3407 (set-buffer gnus-article-buffer)
3408 (setq gnus-summary-buffer summary))))))
3410 (defun gnus-summary-article-unread-p (article)
3411 "Say whether ARTICLE is unread or not."
3412 (memq article gnus-newsgroup-unreads))
3414 (defun gnus-summary-first-article-p (&optional article)
3415 "Return whether ARTICLE is the first article in the buffer."
3416 (if (not (setq article (or article (gnus-summary-article-number))))
3418 (eq article (caar gnus-newsgroup-data))))
3420 (defun gnus-summary-last-article-p (&optional article)
3421 "Return whether ARTICLE is the last article in the buffer."
3422 (if (not (setq article (or article (gnus-summary-article-number))))
3423 ;; All non-existent numbers are the last article. :-)
3425 (not (cdr (gnus-data-find-list article)))))
3427 (defun gnus-make-thread-indent-array ()
3429 (unless (and gnus-thread-indent-array
3430 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3431 (setq gnus-thread-indent-array (make-vector 201 "")
3432 gnus-thread-indent-array-level gnus-thread-indent-level)
3434 (aset gnus-thread-indent-array n
3435 (make-string (* n gnus-thread-indent-level) ? ))
3438 (defun gnus-update-summary-mark-positions ()
3439 "Compute where the summary marks are to go."
3441 (when (gnus-buffer-exists-p gnus-summary-buffer)
3442 (set-buffer gnus-summary-buffer))
3443 (let ((spec gnus-summary-line-format-spec)
3446 (gnus-set-work-buffer)
3447 (let ((gnus-tmp-unread ?Z)
3448 (gnus-replied-mark ?Z)
3449 (gnus-score-below-mark ?Z)
3450 (gnus-score-over-mark ?Z)
3451 (gnus-undownloaded-mark ?Z)
3452 (gnus-summary-line-format-spec spec)
3453 (gnus-newsgroup-downloadable '(0))
3454 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3455 case-fold-search ignores)
3456 ;; Here, all marks are bound to Z.
3457 (gnus-summary-insert-line header
3458 0 nil t gnus-tmp-unread t nil "" nil 1)
3459 (goto-char (point-min))
3460 ;; Memorize the positions of the same characters as dummy marks.
3461 (while (re-search-forward "[A-D]" nil t)
3462 (push (point) ignores))
3464 ;; We use A-D as dummy marks in order to know column positions
3465 ;; where marks should be inserted.
3466 (setq gnus-tmp-unread ?A
3467 gnus-replied-mark ?B
3468 gnus-score-below-mark ?C
3469 gnus-score-over-mark ?C
3470 gnus-undownloaded-mark ?D)
3471 (gnus-summary-insert-line header
3472 0 nil t gnus-tmp-unread t nil "" nil 1)
3473 ;; Ignore characters which aren't dummy marks.
3475 (delete-region (goto-char (1- p)) p)
3477 (goto-char (point-min))
3478 (setq pos (list (cons 'unread
3479 (and (search-forward "A" nil t)
3480 (- (point) (point-min) 1)))))
3481 (goto-char (point-min))
3482 (push (cons 'replied (and (search-forward "B" nil t)
3483 (- (point) (point-min) 1)))
3485 (goto-char (point-min))
3486 (push (cons 'score (and (search-forward "C" nil t)
3487 (- (point) (point-min) 1)))
3489 (goto-char (point-min))
3490 (push (cons 'download (and (search-forward "D" nil t)
3491 (- (point) (point-min) 1)))
3493 (setq gnus-summary-mark-positions pos))))
3495 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3496 "Insert a dummy root in the summary buffer."
3498 (gnus-add-text-properties
3499 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3500 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3502 (defun gnus-summary-extract-address-component (from)
3503 (or (car (funcall gnus-extract-address-components from))
3506 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3507 (let ((mail-parse-charset gnus-newsgroup-charset)
3508 ; Is it really necessary to do this next part for each summary line?
3509 ; Luckily, doesn't seem to slow things down much.
3510 (mail-parse-ignored-charsets
3511 (with-current-buffer gnus-summary-buffer
3512 gnus-newsgroup-ignored-charsets)))
3514 (and gnus-ignored-from-addresses
3515 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3516 (let ((extra-headers (mail-header-extra header))
3520 ((setq to (cdr (assq 'To extra-headers)))
3521 (concat gnus-summary-to-prefix
3523 (gnus-summary-extract-address-component
3524 (funcall gnus-decode-encoded-word-function to)))))
3525 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3526 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3527 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3529 (defun gnus-summary-insert-line (gnus-tmp-header
3530 gnus-tmp-level gnus-tmp-current
3531 undownloaded gnus-tmp-unread gnus-tmp-replied
3532 gnus-tmp-expirable gnus-tmp-subject-or-nil
3533 &optional gnus-tmp-dummy gnus-tmp-score
3535 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3536 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3537 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3538 (gnus-tmp-score-char
3539 (if (or (null gnus-summary-default-score)
3540 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3541 gnus-summary-zcore-fuzz))
3543 (if (< gnus-tmp-score gnus-summary-default-score)
3544 gnus-score-below-mark gnus-score-over-mark)))
3545 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3547 (cond (gnus-tmp-process gnus-process-mark)
3548 ((memq gnus-tmp-current gnus-newsgroup-cached)
3550 (gnus-tmp-replied gnus-replied-mark)
3551 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3552 gnus-forwarded-mark)
3553 ((memq gnus-tmp-current gnus-newsgroup-saved)
3555 ((memq gnus-tmp-number gnus-newsgroup-recent)
3557 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3560 (gnus-tmp-downloaded
3562 gnus-undownloaded-mark)
3563 (gnus-newsgroup-agentized
3564 gnus-downloaded-mark)
3567 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3570 ((string-match "<[^>]+> *$" gnus-tmp-from)
3571 (let ((beg (match-beginning 0)))
3572 (or (and (string-match "^\".+\"" gnus-tmp-from)
3573 (substring gnus-tmp-from 1 (1- (match-end 0))))
3574 (substring gnus-tmp-from 0 beg))))
3575 ((string-match "(.+)" gnus-tmp-from)
3576 (substring gnus-tmp-from
3577 (1+ (match-beginning 0)) (1- (match-end 0))))
3579 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3580 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3581 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3582 (buffer-read-only nil))
3583 (when (string= gnus-tmp-name "")
3584 (setq gnus-tmp-name gnus-tmp-from))
3585 (unless (numberp gnus-tmp-lines)
3586 (setq gnus-tmp-lines -1))
3587 (if (= gnus-tmp-lines -1)
3588 (setq gnus-tmp-lines "?")
3589 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3590 (gnus-put-text-property
3592 (progn (eval gnus-summary-line-format-spec) (point))
3593 'gnus-number gnus-tmp-number)
3594 (when (gnus-visual-p 'summary-highlight 'highlight)
3596 (gnus-run-hooks 'gnus-summary-update-hook)
3599 (defun gnus-summary-update-line (&optional dont-update)
3600 "Update summary line after change."
3601 (when (and gnus-summary-default-score
3602 (not gnus-summary-inhibit-highlight))
3603 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3604 (article (gnus-summary-article-number))
3605 (score (gnus-summary-article-score article)))
3607 (if (and gnus-summary-mark-below
3608 (< (gnus-summary-article-score)
3609 gnus-summary-mark-below))
3610 ;; This article has a low score, so we mark it as read.
3611 (when (memq article gnus-newsgroup-unreads)
3612 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3613 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3614 ;; This article was previously marked as read on account
3615 ;; of a low score, but now it has risen, so we mark it as
3617 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3618 (gnus-summary-update-mark
3619 (if (or (null gnus-summary-default-score)
3620 (<= (abs (- score gnus-summary-default-score))
3621 gnus-summary-zcore-fuzz))
3623 (if (< score gnus-summary-default-score)
3624 gnus-score-below-mark gnus-score-over-mark))
3626 ;; Do visual highlighting.
3627 (when (gnus-visual-p 'summary-highlight 'highlight)
3628 (gnus-run-hooks 'gnus-summary-update-hook)))))
3630 (defvar gnus-tmp-new-adopts nil)
3632 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3633 "Return the number of articles in THREAD.
3634 This may be 0 in some cases -- if none of the articles in
3635 the thread are to be displayed."
3637 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3639 ((not (listp thread))
3641 ((and (consp thread) (cdr thread))
3644 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3647 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3650 (when (and level (zerop level) gnus-tmp-new-adopts)
3653 'gnus-summary-number-of-articles-in-thread
3654 gnus-tmp-new-adopts))))
3656 (if (> number 1) gnus-not-empty-thread-mark
3657 gnus-empty-thread-mark)
3660 (defsubst gnus-summary-line-message-size (head)
3661 "Return pretty-printed version of message size.
3662 This function is intended to be used in
3663 `gnus-summary-line-format-alist'."
3664 (let ((c (or (mail-header-chars head) -1)))
3665 (cond ((< c 0) "n/a") ; chars not available
3666 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3667 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3668 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3669 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3672 (defun gnus-summary-set-local-parameters (group)
3673 "Go through the local params of GROUP and set all variable specs in that list."
3674 (let ((vars '(quit-config))) ; Ignore quit-config.
3675 (dolist (elem (gnus-group-find-parameter group))
3676 (and (consp elem) ; Has to be a cons.
3677 (consp (cdr elem)) ; The cdr has to be a list.
3678 (symbolp (car elem)) ; Has to be a symbol in there.
3679 (not (memq (car elem) vars))
3680 (ignore-errors ; So we set it.
3681 (push (car elem) vars)
3682 (make-local-variable (car elem))
3683 (set (car elem) (eval (nth 1 elem))))))))
3685 (defun gnus-summary-read-group (group &optional show-all no-article
3686 kill-buffer no-display backward
3688 "Start reading news in newsgroup GROUP.
3689 If SHOW-ALL is non-nil, already read articles are also listed.
3690 If NO-ARTICLE is non-nil, no article is selected initially.
3691 If NO-DISPLAY, don't generate a summary buffer."
3695 (let ((gnus-auto-select-next nil))
3696 (or (gnus-summary-read-group-1
3697 group show-all no-article
3698 kill-buffer no-display
3701 select-articles nil)))))
3702 (eq gnus-auto-select-next 'quietly))
3703 (set-buffer gnus-group-buffer)
3704 ;; The entry function called above goes to the next
3705 ;; group automatically, so we go two groups back
3706 ;; if we are searching for the previous group.
3708 (gnus-group-prev-unread-group 2))
3709 (if (not (equal group (gnus-group-group-name)))
3710 (setq group (gnus-group-group-name))
3714 (defun gnus-summary-read-group-1 (group show-all no-article
3715 kill-buffer no-display
3716 &optional select-articles)
3717 ;; Killed foreign groups can't be entered.
3718 ;; (when (and (not (gnus-group-native-p group))
3719 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3720 ;; (error "Dead non-native groups can't be entered"))
3721 (gnus-message 5 "Retrieving newsgroup: %s..."
3722 (gnus-group-decoded-name group))
3723 (let* ((new-group (gnus-summary-setup-buffer group))
3724 (quit-config (gnus-group-quit-config group))
3725 (did-select (and new-group (gnus-select-newsgroup
3726 group show-all select-articles))))
3728 ;; This summary buffer exists already, so we just select it.
3730 (gnus-set-global-variables)
3732 (gnus-kill-or-deaden-summary kill-buffer))
3733 (gnus-configure-windows 'summary 'force)
3734 (gnus-set-mode-line 'summary)
3735 (gnus-summary-position-point)
3738 ;; We couldn't select this group.
3740 (when (and (eq major-mode 'gnus-summary-mode)
3741 (not (equal (current-buffer) kill-buffer)))
3742 (kill-buffer (current-buffer))
3743 (if (not quit-config)
3745 ;; Update the info -- marks might need to be removed,
3747 (gnus-summary-update-info)
3748 (set-buffer gnus-group-buffer)
3749 (gnus-group-jump-to-group group)
3750 (gnus-group-next-unread-group 1))
3751 (gnus-handle-ephemeral-exit quit-config)))
3752 (let ((grpinfo (gnus-get-info group)))
3753 (if (null (gnus-info-read grpinfo))
3754 (gnus-message 3 "Group %s contains no messages"
3755 (gnus-group-decoded-name group))
3756 (gnus-message 3 "Can't select group")))
3758 ;; The user did a `C-g' while prompting for number of articles,
3759 ;; so we exit this group.
3760 ((eq did-select 'quit)
3761 (and (eq major-mode 'gnus-summary-mode)
3762 (not (equal (current-buffer) kill-buffer))
3763 (kill-buffer (current-buffer)))
3765 (gnus-kill-or-deaden-summary kill-buffer))
3766 (if (not quit-config)
3768 (set-buffer gnus-group-buffer)
3769 (gnus-group-jump-to-group group)
3770 (gnus-group-next-unread-group 1)
3771 (gnus-configure-windows 'group 'force))
3772 (gnus-handle-ephemeral-exit quit-config))
3773 ;; Finally signal the quit.
3775 ;; The group was successfully selected.
3777 (gnus-set-global-variables)
3778 ;; Save the active value in effect when the group was entered.
3779 (setq gnus-newsgroup-active
3781 (gnus-active gnus-newsgroup-name)))
3782 ;; You can change the summary buffer in some way with this hook.
3783 (gnus-run-hooks 'gnus-select-group-hook)
3784 (when (memq 'summary (gnus-update-format-specifications
3785 nil 'summary 'summary-mode 'summary-dummy))
3786 ;; The format specification for the summary line was updated,
3787 ;; so we need to update the mark positions as well.
3788 (gnus-update-summary-mark-positions))
3789 ;; Do score processing.
3790 (when gnus-use-scoring
3791 (gnus-possibly-score-headers))
3792 ;; Check whether to fill in the gaps in the threads.
3793 (when gnus-build-sparse-threads
3794 (gnus-build-sparse-threads))
3795 ;; Find the initial limit.
3797 (let ((gnus-newsgroup-dormant nil))
3798 (gnus-summary-initial-limit show-all))
3799 (gnus-summary-initial-limit show-all))
3800 ;; Generate the summary buffer.
3802 (gnus-summary-prepare))
3803 (when gnus-use-trees
3804 (gnus-tree-open group)
3805 (setq gnus-summary-highlight-line-function
3806 'gnus-tree-highlight-article))
3807 ;; If the summary buffer is empty, but there are some low-scored
3808 ;; articles or some excluded dormants, we include these in the
3810 (when (and (zerop (buffer-size))
3812 (cond (gnus-newsgroup-dormant
3813 (gnus-summary-limit-include-dormant))
3814 ((and gnus-newsgroup-scored show-all)
3815 (gnus-summary-limit-include-expunged t))))
3816 ;; Function `gnus-apply-kill-file' must be called in this hook.
3817 (gnus-run-hooks 'gnus-apply-kill-hook)
3818 (if (and (zerop (buffer-size))
3821 ;; This newsgroup is empty.
3822 (gnus-summary-catchup-and-exit nil t)
3823 (gnus-message 6 "No unread news")
3825 (gnus-kill-or-deaden-summary kill-buffer))
3826 ;; Return nil from this function.
3828 ;; Hide conversation thread subtrees. We cannot do this in
3829 ;; gnus-summary-prepare-hook since kill processing may not
3830 ;; work with hidden articles.
3831 (gnus-summary-maybe-hide-threads)
3833 (gnus-kill-or-deaden-summary kill-buffer))
3834 (gnus-summary-auto-select-subject)
3835 ;; Show first unread article if requested.
3836 (if (and (not no-article)
3838 gnus-newsgroup-unreads
3839 gnus-auto-select-first)
3841 (gnus-configure-windows 'summary)
3842 (let ((art (gnus-summary-article-number)))
3843 (unless (and (not gnus-plugged)
3844 (or (memq art gnus-newsgroup-undownloaded)
3845 (memq art gnus-newsgroup-downloadable)))
3846 (gnus-summary-goto-article art))))
3847 ;; Don't select any articles.
3848 (gnus-summary-position-point)
3849 (gnus-configure-windows 'summary 'force)
3850 (gnus-set-mode-line 'summary))
3851 (when (and gnus-auto-center-group
3852 (get-buffer-window gnus-group-buffer t))
3853 ;; Gotta use windows, because recenter does weird stuff if
3854 ;; the current buffer ain't the displayed window.
3855 (let ((owin (selected-window)))
3856 (select-window (get-buffer-window gnus-group-buffer t))
3857 (when (gnus-group-goto-group group)
3859 (select-window owin)))
3860 ;; Mark this buffer as "prepared".
3861 (setq gnus-newsgroup-prepared t)
3862 (gnus-run-hooks 'gnus-summary-prepared-hook)
3863 (unless (gnus-ephemeral-group-p group)
3864 (gnus-group-update-group group))
3867 (defun gnus-summary-auto-select-subject ()
3868 "Select the subject line on initial group entry."
3869 (goto-char (point-min))
3871 ((eq gnus-auto-select-subject 'best)
3872 (gnus-summary-best-unread-subject))
3873 ((eq gnus-auto-select-subject 'unread)
3874 (gnus-summary-first-unread-subject))
3875 ((eq gnus-auto-select-subject 'unseen)
3876 (gnus-summary-first-unseen-subject))
3877 ((eq gnus-auto-select-subject 'unseen-or-unread)
3878 (gnus-summary-first-unseen-or-unread-subject))
3879 ((eq gnus-auto-select-subject 'first)
3882 ((functionp gnus-auto-select-subject)
3883 (funcall gnus-auto-select-subject))))
3885 (defun gnus-summary-prepare ()
3886 "Generate the summary buffer."
3888 (let ((buffer-read-only nil))
3890 (setq gnus-newsgroup-data nil
3891 gnus-newsgroup-data-reverse nil)
3892 (gnus-run-hooks 'gnus-summary-generate-hook)
3893 ;; Generate the buffer, either with threads or without.
3894 (when gnus-newsgroup-headers
3895 (gnus-summary-prepare-threads
3896 (if gnus-show-threads
3897 (gnus-sort-gathered-threads
3898 (funcall gnus-summary-thread-gathering-function
3900 (gnus-cut-threads (gnus-make-threads)))))
3901 ;; Unthreaded display.
3902 (gnus-sort-articles gnus-newsgroup-headers))))
3903 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3904 ;; Call hooks for modifying summary buffer.
3905 (goto-char (point-min))
3906 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3908 (defsubst gnus-general-simplify-subject (subject)
3909 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3912 ;; Truncate the subject.
3913 (gnus-simplify-subject-functions
3914 (gnus-map-function gnus-simplify-subject-functions subject))
3915 ((numberp gnus-summary-gather-subject-limit)
3916 (setq subject (gnus-simplify-subject-re subject))
3917 (if (> (length subject) gnus-summary-gather-subject-limit)
3918 (substring subject 0 gnus-summary-gather-subject-limit)
3920 ;; Fuzzily simplify it.
3921 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3922 (gnus-simplify-subject-fuzzy subject))
3923 ;; Just remove the leading "Re:".
3925 (gnus-simplify-subject-re subject))))
3927 (if (and gnus-summary-gather-exclude-subject
3928 (string-match gnus-summary-gather-exclude-subject subject))
3929 nil ; This article shouldn't be gathered
3932 (defun gnus-summary-simplify-subject-query ()
3933 "Query where the respool algorithm would put this article."
3935 (gnus-summary-select-article)
3936 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3938 (defun gnus-gather-threads-by-subject (threads)
3939 "Gather threads by looking at Subject headers."
3940 (if (not gnus-summary-make-false-root)
3942 (let ((hashtb (gnus-make-hashtable 1024))
3945 subject hthread whole-subject)
3947 (setq subject (gnus-general-simplify-subject
3948 (setq whole-subject (mail-header-subject
3951 (if (setq hthread (gnus-gethash subject hashtb))
3953 ;; We enter a dummy root into the thread, if we
3954 ;; haven't done that already.
3955 (unless (stringp (caar hthread))
3956 (setcar hthread (list whole-subject (car hthread))))
3957 ;; We add this new gathered thread to this gathered
3959 (setcdr (car hthread)
3960 (nconc (cdar hthread) (list (car threads))))
3961 ;; Remove it from the list of threads.
3962 (setcdr prev (cdr threads))
3963 (setq threads prev))
3964 ;; Enter this thread into the hash table.
3965 (gnus-sethash subject
3966 (if gnus-summary-make-false-root-always
3968 ;; If you want a dummy root above all
3970 (setcar threads (list whole-subject
3976 (setq threads (cdr threads)))
3979 (defun gnus-gather-threads-by-references (threads)
3980 "Gather threads by looking at References headers."
3981 (let ((idhashtb (gnus-make-hashtable 1024))
3982 (thhashtb (gnus-make-hashtable 1024))
3985 ids references id gthread gid entered ref)
3987 (when (setq references (mail-header-references (caar threads)))
3988 (setq id (mail-header-id (caar threads))
3989 ids (inline (gnus-split-references references))
3991 (while (setq ref (pop ids))
3992 (setq ids (delete ref ids))
3993 (if (not (setq gid (gnus-gethash ref idhashtb)))
3995 (gnus-sethash ref id idhashtb)
3996 (gnus-sethash id threads thhashtb))
3997 (setq gthread (gnus-gethash gid thhashtb))
3999 ;; We enter a dummy root into the thread, if we
4000 ;; haven't done that already.
4001 (unless (stringp (caar gthread))
4002 (setcar gthread (list (mail-header-subject (caar gthread))
4004 ;; We add this new gathered thread to this gathered
4006 (setcdr (car gthread)
4007 (nconc (cdar gthread) (list (car threads)))))
4008 ;; Add it into the thread hash table.
4009 (gnus-sethash id gthread thhashtb)
4011 ;; Remove it from the list of threads.
4012 (setcdr prev (cdr threads))
4013 (setq threads prev))))
4015 (setq threads (cdr threads)))
4018 (defun gnus-sort-gathered-threads (threads)
4019 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4020 (let ((result threads))
4022 (when (stringp (caar threads))
4023 (setcdr (car threads)
4024 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4025 (setq threads (cdr threads)))
4028 (defun gnus-thread-loop-p (root thread)
4029 "Say whether ROOT is in THREAD."
4030 (let ((stack (list thread))
4033 (while (setq thread (pop stack))
4034 (setq th (cdr thread))
4036 (not (eq (caar th) root)))
4039 ;; We have found a loop.
4041 (setcdr thread (delq (car th) (cdr thread)))
4042 (if (boundp (setq ref-dep (intern "none"
4043 gnus-newsgroup-dependencies)))
4044 (setcdr (symbol-value ref-dep)
4045 (nconc (cdr (symbol-value ref-dep))
4047 (set ref-dep (list nil (car th))))
4050 ;; Push all the subthreads onto the stack.
4051 (push (cdr thread) stack)))
4054 (defun gnus-make-threads ()
4055 "Go through the dependency hashtb and find the roots. Return all threads."
4057 (while (catch 'infloop
4060 ;; Deal with self-referencing References loops.
4061 (when (and (car (symbol-value refs))
4068 (car (symbol-value refs)) thread))
4069 (cdr (symbol-value refs)))))))
4072 (unless (car (symbol-value refs))
4073 ;; These threads do not refer back to any other
4074 ;; articles, so they're roots.
4075 (setq threads (append (cdr (symbol-value refs)) threads))))
4076 gnus-newsgroup-dependencies)))
4079 ;; Build the thread tree.
4080 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4081 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4083 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4084 if it was already present.
4086 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4087 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4088 Message-IDs will be renamed to a unique Message-ID before being
4091 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4092 (let* ((id (mail-header-id header))
4093 (id-dep (and id (intern id dependencies)))
4094 parent-id ref ref-dep ref-header replaced)
4095 ;; Enter this `header' in the `dependencies' table.
4099 ;; The first two cases do the normal part: enter a new `header'
4100 ;; in the `dependencies' table.
4101 ((not (boundp id-dep))
4102 (set id-dep (list header)))
4103 ((null (car (symbol-value id-dep)))
4104 (setcar (symbol-value id-dep) header))
4106 ;; From here the `header' was already present in the
4107 ;; `dependencies' table.
4109 ;; Overrides an existing entry;
4110 ;; just set the header part of the entry.
4111 (setcar (symbol-value id-dep) header)
4114 ;; Renames the existing `header' to a unique Message-ID.
4115 ((not gnus-summary-ignore-duplicates)
4116 ;; An article with this Message-ID has already been seen.
4117 ;; We rename the Message-ID.
4118 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4120 (mail-header-set-id header id))
4122 ;; The last case ignores an existing entry, except it adds any
4123 ;; additional Xrefs (in case the two articles came from different
4125 ;; Also sets `header' to `nil' meaning that the `dependencies'
4126 ;; table was *not* modified.
4128 (mail-header-set-xref
4129 (car (symbol-value id-dep))
4130 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4132 (or (mail-header-xref header) "")))
4135 (when (and header (not replaced))
4136 ;; First check that we are not creating a References loop.
4137 (setq parent-id (gnus-parent-id (mail-header-references header)))
4138 (setq ref parent-id)
4140 (setq ref-dep (intern-soft ref dependencies))
4142 (setq ref-header (car (symbol-value ref-dep))))
4143 (if (string= id ref)
4144 ;; Yuk! This is a reference loop. Make the article be a
4147 (mail-header-set-references (car (symbol-value id-dep)) "none")
4149 (setq parent-id nil))
4150 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4151 (setq ref-dep (intern (or parent-id "none") dependencies))
4152 (if (boundp ref-dep)
4153 (setcdr (symbol-value ref-dep)
4154 (nconc (cdr (symbol-value ref-dep))
4155 (list (symbol-value id-dep))))
4156 (set ref-dep (list nil (symbol-value id-dep)))))
4159 (defun gnus-extract-message-id-from-in-reply-to (string)
4160 (if (string-match "<[^>]+>" string)
4161 (substring string (match-beginning 0) (match-end 0))
4164 (defun gnus-build-sparse-threads ()
4165 (let ((headers gnus-newsgroup-headers)
4166 (mail-parse-charset gnus-newsgroup-charset)
4167 (gnus-summary-ignore-duplicates t)
4168 header references generation relations
4169 subject child end new-child date)
4170 ;; First we create an alist of generations/relations, where
4171 ;; generations is how much we trust the relation, and the relation
4173 (gnus-message 7 "Making sparse threads...")
4175 (nnheader-set-temp-buffer " *gnus sparse threads*")
4176 (while (setq header (pop headers))
4177 (when (and (setq references (mail-header-references header))
4178 (not (string= references "")))
4180 (setq child (mail-header-id header)
4181 subject (mail-header-subject header)
4182 date (mail-header-date header)
4184 (while (search-backward ">" nil t)
4185 (setq end (1+ (point)))
4186 (when (search-backward "<" nil t)
4187 (setq new-child (buffer-substring (point) end))
4188 (push (list (incf generation)
4189 child (setq child new-child)
4193 (push (list (1+ generation) child nil subject) relations))
4195 (kill-buffer (current-buffer)))
4196 ;; Sort over trustworthiness.
4199 (when (gnus-dependencies-add-header
4200 (make-full-mail-header
4201 gnus-reffed-article-number
4202 (nth 3 relation) "" (or (nth 4 relation) "")
4204 (or (nth 2 relation) "") 0 0 "")
4205 gnus-newsgroup-dependencies nil)
4206 (push gnus-reffed-article-number gnus-newsgroup-limit)
4207 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4208 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4209 gnus-newsgroup-reads)
4210 (decf gnus-reffed-article-number)))
4211 (sort relations 'car-less-than-car))
4212 (gnus-message 7 "Making sparse threads...done")))
4214 (defun gnus-build-old-threads ()
4215 ;; Look at all the articles that refer back to old articles, and
4216 ;; fetch the headers for the articles that aren't there. This will
4217 ;; build complete threads - if the roots haven't been expired by the
4219 (let ((mail-parse-charset gnus-newsgroup-charset)
4223 (when (not (car (symbol-value refs)))
4224 (setq heads (cdr (symbol-value refs)))
4226 (if (memq (mail-header-number (caar heads))
4227 gnus-newsgroup-dormant)
4228 (setq heads (cdr heads))
4229 (setq id (symbol-name refs))
4230 (while (and (setq id (gnus-build-get-header id))
4231 (not (car (gnus-id-to-thread id)))))
4232 (setq heads nil)))))
4233 gnus-newsgroup-dependencies)))
4235 (defsubst gnus-remove-odd-characters (string)
4236 "Translate STRING into something that doesn't contain weird characters."
4237 (mm-subst-char-in-string
4239 (mm-subst-char-in-string ?\n ?\- string t) t))
4241 ;; This function has to be called with point after the article number
4242 ;; on the beginning of the line.
4243 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4244 (let ((eol (point-at-eol))
4245 (buffer (current-buffer))
4246 header references in-reply-to)
4248 ;; overview: [num subject from date id refs chars lines misc]
4251 (narrow-to-region (point) eol)
4256 (make-full-mail-header
4258 (condition-case () ; subject
4259 (gnus-remove-odd-characters
4260 (funcall gnus-decode-encoded-word-function
4261 (setq x (nnheader-nov-field))))
4263 (condition-case () ; from
4264 (gnus-remove-odd-characters
4265 (funcall gnus-decode-encoded-word-function
4266 (setq x (nnheader-nov-field))))
4268 (nnheader-nov-field) ; date
4269 (nnheader-nov-read-message-id number) ; id
4270 (setq references (nnheader-nov-field)) ; refs
4271 (nnheader-nov-read-integer) ; chars
4272 (nnheader-nov-read-integer) ; lines
4274 (if (looking-at "Xref: ")
4275 (goto-char (match-end 0)))
4276 (nnheader-nov-field)) ; Xref
4277 (nnheader-nov-parse-extra)))) ; extra
4281 (when (and (string= references "")
4282 (setq in-reply-to (mail-header-extra header))
4283 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4284 (mail-header-set-references
4285 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4287 (when gnus-alter-header-function
4288 (funcall gnus-alter-header-function header))
4289 (gnus-dependencies-add-header header dependencies force-new)))
4291 (defun gnus-build-get-header (id)
4292 "Look through the buffer of NOV lines and find the header to ID.
4293 Enter this line into the dependencies hash table, and return
4294 the id of the parent article (if any)."
4295 (let ((deps gnus-newsgroup-dependencies)
4299 (set-buffer nntp-server-buffer)
4300 (let ((case-fold-search nil))
4301 (goto-char (point-min))
4302 (while (and (not found)
4303 (search-forward id nil t))
4305 (setq found (looking-at
4306 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4307 (regexp-quote id))))
4308 (or found (beginning-of-line 2)))
4312 (setq header (gnus-nov-parse-line
4313 (read (current-buffer)) deps))
4314 (gnus-parent-id (mail-header-references header))))))
4316 (let ((number (mail-header-number header)))
4317 (push number gnus-newsgroup-limit)
4318 (push header gnus-newsgroup-headers)
4319 (if (memq number gnus-newsgroup-unselected)
4321 (setq gnus-newsgroup-unreads
4322 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4324 (setq gnus-newsgroup-unselected
4325 (delq number gnus-newsgroup-unselected)))
4326 (push number gnus-newsgroup-ancient)))))))
4328 (defun gnus-build-all-threads ()
4329 "Read all the headers."
4330 (let ((gnus-summary-ignore-duplicates t)
4331 (mail-parse-charset gnus-newsgroup-charset)
4332 (dependencies gnus-newsgroup-dependencies)
4335 (set-buffer nntp-server-buffer)
4336 (let ((case-fold-search nil))
4337 (goto-char (point-min))
4340 (setq article (read (current-buffer))
4341 header (gnus-nov-parse-line article dependencies)))
4343 (with-current-buffer gnus-summary-buffer
4344 (push header gnus-newsgroup-headers)
4345 (if (memq (setq article (mail-header-number header))
4346 gnus-newsgroup-unselected)
4348 (setq gnus-newsgroup-unreads
4349 (gnus-add-to-sorted-list
4350 gnus-newsgroup-unreads article))
4351 (setq gnus-newsgroup-unselected
4352 (delq article gnus-newsgroup-unselected)))
4353 (push article gnus-newsgroup-ancient)))
4354 (forward-line 1)))))))
4356 (defun gnus-summary-update-article-line (article header)
4357 "Update the line for ARTICLE using HEADER."
4358 (let* ((id (mail-header-id header))
4359 (thread (gnus-id-to-thread id)))
4361 (error "Article in no thread"))
4362 ;; Update the thread.
4363 (setcar thread header)
4364 (gnus-summary-goto-subject article)
4365 (let* ((datal (gnus-data-find-list article))
4367 (buffer-read-only nil)
4368 (level (gnus-summary-thread-level)))
4370 (let ((inserted (- (point)
4372 (gnus-summary-insert-line
4374 (memq article gnus-newsgroup-undownloaded)
4375 (gnus-article-mark article)
4376 (memq article gnus-newsgroup-replied)
4377 (memq article gnus-newsgroup-expirable)
4378 ;; Only insert the Subject string when it's different
4379 ;; from the previous Subject string.
4384 (mail-header-subject
4387 (gnus-data-find-list
4389 (gnus-data-list t)))))
4390 ;; Error on the side of excessive subjects.
4392 (mail-header-subject header)))
4394 (mail-header-subject header))
4395 nil (cdr (assq article gnus-newsgroup-scored))
4396 (memq article gnus-newsgroup-processable))
4399 (gnus-data-update-list
4401 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4403 (defun gnus-summary-update-article (article &optional iheader)
4404 "Update ARTICLE in the summary buffer."
4405 (set-buffer gnus-summary-buffer)
4406 (let* ((header (gnus-summary-article-header article))
4407 (id (mail-header-id header))
4408 (data (gnus-data-find article))
4409 (thread (gnus-id-to-thread id))
4410 (references (mail-header-references header))
4414 (when (and references
4415 (not (equal "" references)))
4418 (buffer-read-only nil)
4424 (delq thread parent)))
4425 (if (gnus-summary-insert-subject id header)
4426 ;; Set the (possibly) new article number in the data structure.
4427 (gnus-data-set-number data (gnus-id-to-article id))
4431 (defun gnus-rebuild-thread (id &optional line)
4432 "Rebuild the thread containing ID.
4433 If LINE, insert the rebuilt thread starting on line LINE."
4434 (let ((buffer-read-only nil)
4435 old-pos current thread data)
4436 (if (not gnus-show-threads)
4437 (setq thread (list (car (gnus-id-to-thread id))))
4438 ;; Get the thread this article is part of.
4439 (setq thread (gnus-remove-thread id)))
4440 (setq old-pos (point-at-bol))
4441 (setq current (save-excursion
4442 (and (re-search-backward "[\r\n]" nil t)
4443 (gnus-summary-article-number))))
4444 ;; If this is a gathered thread, we have to go some re-gathering.
4445 (when (stringp (car thread))
4446 (let ((subject (car thread))
4448 (setq thread (cdr thread))
4450 (unless (memq (setq thr (gnus-id-to-thread
4452 (mail-header-id (caar thread)))))
4455 (setq thread (cdr thread)))
4456 ;; We now have all (unique) roots.
4457 (if (= (length roots) 1)
4458 ;; All the loose roots are now one solid root.
4459 (setq thread (car roots))
4460 (setq thread (cons subject (gnus-sort-threads roots))))))
4462 ;; We then insert this thread into the summary buffer.
4464 (goto-char (point-min))
4465 (forward-line (1- line)))
4466 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4467 (if gnus-show-threads
4468 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4469 (gnus-summary-prepare-unthreaded thread))
4470 (setq data (nreverse gnus-newsgroup-data))
4471 (setq threads gnus-newsgroup-threads))
4472 ;; We splice the new data into the data structure.
4473 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4474 ;;!!! then we want to insert at the beginning of the buffer.
4475 ;;!!! That happens to be true with Gnus now, but that may
4476 ;;!!! change in the future. Perhaps.
4477 (gnus-data-enter-list
4478 (if line nil current) data (- (point) old-pos))
4479 (setq gnus-newsgroup-threads
4480 (nconc threads gnus-newsgroup-threads))
4481 (gnus-data-compute-positions))))
4483 (defun gnus-number-to-header (number)
4484 "Return the header for article NUMBER."
4485 (let ((headers gnus-newsgroup-headers))
4487 (not (= number (mail-header-number (car headers)))))
4492 (defun gnus-parent-headers (in-headers &optional generation)
4493 "Return the headers of the GENERATIONeth parent of HEADERS."
4495 (setq generation 1))
4497 (headers in-headers)
4500 (not (zerop generation))
4501 (setq references (mail-header-references headers)))
4502 (setq headers (if (and references
4503 (setq parent (gnus-parent-id references)))
4504 (car (gnus-id-to-thread parent))
4507 (and (not (eq headers in-headers))
4510 (defun gnus-id-to-thread (id)
4511 "Return the (sub-)thread where ID appears."
4512 (gnus-gethash id gnus-newsgroup-dependencies))
4514 (defun gnus-id-to-article (id)
4515 "Return the article number of ID."
4516 (let ((thread (gnus-id-to-thread id)))
4519 (mail-header-number (car thread)))))
4521 (defun gnus-id-to-header (id)
4522 "Return the article headers of ID."
4523 (car (gnus-id-to-thread id)))
4525 (defun gnus-article-displayed-root-p (article)
4526 "Say whether ARTICLE is a root(ish) article."
4527 (let ((level (gnus-summary-thread-level article))
4528 (refs (mail-header-references (gnus-summary-article-header article)))
4534 ((null (gnus-parent-id refs)) t)
4536 (null (setq particle (gnus-id-to-article
4537 (gnus-parent-id refs))))
4538 (null (gnus-summary-thread-level particle)))))))
4540 (defun gnus-root-id (id)
4541 "Return the id of the root of the thread where ID appears."
4543 (while (and id (setq prev (car (gnus-id-to-thread id))))
4545 id (gnus-parent-id (mail-header-references prev))))
4548 (defun gnus-articles-in-thread (thread)
4549 "Return the list of articles in THREAD."
4550 (cons (mail-header-number (car thread))
4551 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4553 (defun gnus-remove-thread (id &optional dont-remove)
4554 "Remove the thread that has ID in it."
4555 (let (headers thread last-id)
4556 ;; First go up in this thread until we find the root.
4557 (setq last-id (gnus-root-id id)
4558 headers (message-flatten-list (gnus-id-to-thread last-id)))
4559 ;; We have now found the real root of this thread. It might have
4560 ;; been gathered into some loose thread, so we have to search
4561 ;; through the threads to find the thread we wanted.
4562 (let ((threads gnus-newsgroup-threads)
4565 (setq sub (car threads))
4566 (if (stringp (car sub))
4567 ;; This is a gathered thread, so we look at the roots
4568 ;; below it to find whether this article is in this
4571 (setq sub (cdr sub))
4573 (when (member (caar sub) headers)
4574 (setq thread (car threads)
4577 (setq sub (cdr sub))))
4578 ;; It's an ordinary thread, so we check it.
4579 (when (eq (car sub) (car headers))
4582 (setq threads (cdr threads)))
4583 ;; If this article is in no thread, then it's a root.
4586 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4587 (setq thread (gnus-id-to-thread last-id)))
4590 thread ; We return this thread.
4592 (if (stringp (car thread))
4594 ;; If we use dummy roots, then we have to remove the
4595 ;; dummy root as well.
4596 (when (eq gnus-summary-make-false-root 'dummy)
4597 ;; We go to the dummy root by going to
4598 ;; the first sub-"thread", and then one line up.
4599 (gnus-summary-goto-article
4600 (mail-header-number (caadr thread)))
4603 (gnus-data-compute-positions))
4604 (setq thread (cdr thread))
4606 (gnus-remove-thread-1 (car thread))
4607 (setq thread (cdr thread))))
4608 (gnus-remove-thread-1 thread))))))))
4610 (defun gnus-remove-thread-1 (thread)
4611 "Remove the thread THREAD recursively."
4612 (let ((number (mail-header-number (pop thread)))
4614 (setq thread (reverse thread))
4616 (gnus-remove-thread-1 (pop thread)))
4617 (when (setq d (gnus-data-find number))
4618 (goto-char (gnus-data-pos d))
4619 (gnus-summary-show-thread)
4625 (gnus-delete-line)))))))
4627 (defun gnus-sort-threads-1 (threads func)
4628 (sort (mapcar (lambda (thread)
4631 (gnus-sort-threads-1 (cdr thread) func))))
4634 (defun gnus-sort-threads (threads)
4636 (if (not gnus-thread-sort-functions)
4638 (gnus-message 8 "Sorting threads...")
4639 (let ((max-lisp-eval-depth 5000))
4640 (prog1 (gnus-sort-threads-1
4642 (gnus-make-sort-function gnus-thread-sort-functions))
4643 (gnus-message 8 "Sorting threads...done")))))
4645 (defun gnus-sort-articles (articles)
4647 (when gnus-article-sort-functions
4648 (gnus-message 7 "Sorting articles...")
4650 (setq gnus-newsgroup-headers
4651 (sort articles (gnus-make-sort-function
4652 gnus-article-sort-functions)))
4653 (gnus-message 7 "Sorting articles...done"))))
4655 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4656 (defmacro gnus-thread-header (thread)
4657 "Return header of first article in THREAD.
4658 Note that THREAD must never, ever be anything else than a variable -
4659 using some other form will lead to serious barfage."
4660 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4661 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4662 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4665 (defsubst gnus-article-sort-by-number (h1 h2)
4666 "Sort articles by article number."
4667 (< (mail-header-number h1)
4668 (mail-header-number h2)))
4670 (defun gnus-thread-sort-by-number (h1 h2)
4671 "Sort threads by root article number."
4672 (gnus-article-sort-by-number
4673 (gnus-thread-header h1) (gnus-thread-header h2)))
4675 (defsubst gnus-article-sort-by-random (h1 h2)
4676 "Sort articles by article number."
4679 (defun gnus-thread-sort-by-random (h1 h2)
4680 "Sort threads by root article number."
4681 (gnus-article-sort-by-random
4682 (gnus-thread-header h1) (gnus-thread-header h2)))
4684 (defsubst gnus-article-sort-by-lines (h1 h2)
4685 "Sort articles by article Lines header."
4686 (< (mail-header-lines h1)
4687 (mail-header-lines h2)))
4689 (defun gnus-thread-sort-by-lines (h1 h2)
4690 "Sort threads by root article Lines header."
4691 (gnus-article-sort-by-lines
4692 (gnus-thread-header h1) (gnus-thread-header h2)))
4694 (defsubst gnus-article-sort-by-chars (h1 h2)
4695 "Sort articles by octet length."
4696 (< (mail-header-chars h1)
4697 (mail-header-chars h2)))
4699 (defun gnus-thread-sort-by-chars (h1 h2)
4700 "Sort threads by root article octet length."
4701 (gnus-article-sort-by-chars
4702 (gnus-thread-header h1) (gnus-thread-header h2)))
4704 (defsubst gnus-article-sort-by-author (h1 h2)
4705 "Sort articles by root author."
4707 (let ((extract (funcall
4708 gnus-extract-address-components
4709 (mail-header-from h1))))
4710 (or (car extract) (cadr extract) ""))
4711 (let ((extract (funcall
4712 gnus-extract-address-components
4713 (mail-header-from h2))))
4714 (or (car extract) (cadr extract) ""))))
4716 (defun gnus-thread-sort-by-author (h1 h2)
4717 "Sort threads by root author."
4718 (gnus-article-sort-by-author
4719 (gnus-thread-header h1) (gnus-thread-header h2)))
4721 (defsubst gnus-article-sort-by-recipient (h1 h2)
4722 "Sort articles by recipient."
4724 (let ((extract (funcall
4725 gnus-extract-address-components
4726 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4727 (or (car extract) (cadr extract)))
4728 (let ((extract (funcall
4729 gnus-extract-address-components
4730 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4731 (or (car extract) (cadr extract)))))
4733 (defun gnus-thread-sort-by-recipient (h1 h2)
4734 "Sort threads by root recipient."
4735 (gnus-article-sort-by-recipient
4736 (gnus-thread-header h1) (gnus-thread-header h2)))
4738 (defsubst gnus-article-sort-by-subject (h1 h2)
4739 "Sort articles by root subject."
4741 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4742 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4744 (defun gnus-thread-sort-by-subject (h1 h2)
4745 "Sort threads by root subject."
4746 (gnus-article-sort-by-subject
4747 (gnus-thread-header h1) (gnus-thread-header h2)))
4749 (defsubst gnus-article-sort-by-date (h1 h2)
4750 "Sort articles by root article date."
4752 (gnus-date-get-time (mail-header-date h1))
4753 (gnus-date-get-time (mail-header-date h2))))
4755 (defun gnus-thread-sort-by-date (h1 h2)
4756 "Sort threads by root article date."
4757 (gnus-article-sort-by-date
4758 (gnus-thread-header h1) (gnus-thread-header h2)))
4760 (defsubst gnus-article-sort-by-score (h1 h2)
4761 "Sort articles by root article score.
4762 Unscored articles will be counted as having a score of zero."
4763 (> (or (cdr (assq (mail-header-number h1)
4764 gnus-newsgroup-scored))
4765 gnus-summary-default-score 0)
4766 (or (cdr (assq (mail-header-number h2)
4767 gnus-newsgroup-scored))
4768 gnus-summary-default-score 0)))
4770 (defun gnus-thread-sort-by-score (h1 h2)
4771 "Sort threads by root article score."
4772 (gnus-article-sort-by-score
4773 (gnus-thread-header h1) (gnus-thread-header h2)))
4775 (defun gnus-thread-sort-by-total-score (h1 h2)
4776 "Sort threads by the sum of all scores in the thread.
4777 Unscored articles will be counted as having a score of zero."
4778 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4780 (defun gnus-thread-total-score (thread)
4781 ;; This function find the total score of THREAD.
4786 (if (stringp (car thread))
4787 (apply gnus-thread-score-function 0
4788 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4789 (gnus-thread-total-score-1 thread)))
4791 (gnus-thread-total-score-1 (list thread)))))
4793 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4794 "Sort threads such that the thread with the most recently arrived article comes first."
4795 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4797 (defun gnus-thread-highest-number (thread)
4798 "Return the highest article number in THREAD."
4799 (apply 'max (mapcar (lambda (header)
4800 (mail-header-number header))
4801 (message-flatten-list thread))))
4803 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4804 "Sort threads such that the thread with the most recently dated article comes first."
4805 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4807 (defun gnus-thread-latest-date (thread)
4808 "Return the highest article date in THREAD."
4809 (let ((previous-time 0))
4815 (time-to-seconds (mail-header-parse-date
4816 (mail-header-date header)))
4817 (error previous-time))))
4819 (message-flatten-list thread)
4821 (< (mail-header-number h1)
4822 (mail-header-number h2))))))))
4824 (defun gnus-thread-total-score-1 (root)
4825 ;; This function find the total score of the thread below ROOT.
4826 (setq root (car root))
4827 (apply gnus-thread-score-function
4829 (mapcar 'gnus-thread-total-score
4830 (cdr (gnus-id-to-thread (mail-header-id root))))
4831 (when (> (mail-header-number root) 0)
4832 (list (or (cdr (assq (mail-header-number root)
4833 gnus-newsgroup-scored))
4834 gnus-summary-default-score 0))))
4835 (list gnus-summary-default-score)
4838 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4839 (defvar gnus-tmp-prev-subject nil)
4840 (defvar gnus-tmp-false-parent nil)
4841 (defvar gnus-tmp-root-expunged nil)
4842 (defvar gnus-tmp-dummy-line nil)
4844 (eval-when-compile (defvar gnus-tmp-header))
4845 (defun gnus-extra-header (type &optional header)
4846 "Return the extra header of TYPE."
4847 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4850 (defvar gnus-tmp-thread-tree-header-string "")
4852 (defcustom gnus-sum-thread-tree-root "> "
4853 "With %B spec, used for the root of a thread.
4854 If nil, use subject instead."
4856 :type '(radio (const :format "%v " nil) string)
4857 :group 'gnus-thread)
4859 (defcustom gnus-sum-thread-tree-false-root "> "
4860 "With %B spec, used for a false root of a thread.
4861 If nil, use subject instead."
4863 :type '(radio (const :format "%v " nil) string)
4864 :group 'gnus-thread)
4866 (defcustom gnus-sum-thread-tree-single-indent ""
4867 "With %B spec, used for a thread with just one message.
4868 If nil, use subject instead."
4870 :type '(radio (const :format "%v " nil) string)
4871 :group 'gnus-thread)
4873 (defcustom gnus-sum-thread-tree-vertical "| "
4874 "With %B spec, used for drawing a vertical line."
4877 :group 'gnus-thread)
4879 (defcustom gnus-sum-thread-tree-indent " "
4880 "With %B spec, used for indenting."
4883 :group 'gnus-thread)
4885 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4886 "With %B spec, used for a leaf with brothers."
4889 :group 'gnus-thread)
4891 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4892 "With %B spec, used for a leaf without brothers."
4895 :group 'gnus-thread)
4897 (defun gnus-summary-prepare-threads (threads)
4898 "Prepare summary buffer from THREADS and indentation LEVEL.
4899 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4900 or a straight list of headers."
4901 (gnus-message 7 "Generating summary...")
4903 (setq gnus-newsgroup-threads threads)
4906 (let ((gnus-tmp-level 0)
4907 (default-score (or gnus-summary-default-score 0))
4908 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4909 (building-line-count gnus-summary-display-while-building)
4910 (building-count (integerp gnus-summary-display-while-building))
4911 thread number subject stack state gnus-tmp-gathered beg-match
4912 new-roots gnus-tmp-new-adopts thread-end simp-subject
4913 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4914 gnus-tmp-replied gnus-tmp-subject-or-nil
4915 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4916 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4917 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4920 (setq gnus-tmp-prev-subject nil
4921 gnus-tmp-thread-tree-header-string "")
4923 (if (vectorp (car threads))
4924 ;; If this is a straight (sic) list of headers, then a
4925 ;; threaded summary display isn't required, so we just create
4926 ;; an unthreaded one.
4927 (gnus-summary-prepare-unthreaded threads)
4929 ;; Do the threaded display.
4931 (if gnus-summary-display-while-building
4932 (switch-to-buffer (buffer-name)))
4933 (while (or threads stack gnus-tmp-new-adopts new-roots)
4935 (if (and (= gnus-tmp-level 0)
4938 (not gnus-tmp-false-parent)
4939 (or gnus-tmp-new-adopts new-roots))
4940 (if gnus-tmp-new-adopts
4941 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4942 thread (list (car gnus-tmp-new-adopts))
4943 gnus-tmp-header (caar thread)
4944 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4946 (setq thread (list (car new-roots))
4947 gnus-tmp-header (caar thread)
4948 new-roots (cdr new-roots))))
4951 ;; If there are some threads, we do them before the
4952 ;; threads on the stack.
4953 (setq thread threads
4954 gnus-tmp-header (caar thread))
4955 ;; There were no current threads, so we pop something off
4957 (setq state (car stack)
4958 gnus-tmp-level (car state)
4959 tree-stack (cadr state)
4960 thread (caddr state)
4962 gnus-tmp-header (caar thread))))
4964 (setq gnus-tmp-false-parent nil)
4965 (setq gnus-tmp-root-expunged nil)
4966 (setq thread-end nil)
4968 (if (stringp gnus-tmp-header)
4969 ;; The header is a dummy root.
4971 ((eq gnus-summary-make-false-root 'adopt)
4972 ;; We let the first article adopt the rest.
4973 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4975 (setq gnus-tmp-gathered
4977 (lambda (h) (mail-header-number (car h)))
4980 (setq thread (cons (list (caar thread)
4983 (setq gnus-tmp-level -1
4984 gnus-tmp-false-parent t))
4985 ((eq gnus-summary-make-false-root 'empty)
4986 ;; We print adopted articles with empty subject fields.
4987 (setq gnus-tmp-gathered
4989 (lambda (h) (mail-header-number (car h)))
4992 (setq gnus-tmp-level -1))
4993 ((eq gnus-summary-make-false-root 'dummy)
4994 ;; We remember that we probably want to output a dummy
4996 (setq gnus-tmp-dummy-line gnus-tmp-header)
4997 (setq gnus-tmp-prev-subject gnus-tmp-header))
4999 ;; We do not make a root for the gathered
5000 ;; sub-threads at all.
5001 (setq gnus-tmp-level -1)))
5003 (setq number (mail-header-number gnus-tmp-header)
5004 subject (mail-header-subject gnus-tmp-header)
5005 simp-subject (gnus-simplify-subject-fully subject))
5008 ;; If the thread has changed subject, we might want to make
5009 ;; this subthread into a root.
5010 ((and (null gnus-thread-ignore-subject)
5011 (not (zerop gnus-tmp-level))
5012 gnus-tmp-prev-subject
5013 (not (string= gnus-tmp-prev-subject simp-subject)))
5014 (setq new-roots (nconc new-roots (list (car thread)))
5016 gnus-tmp-header nil))
5017 ;; If the article lies outside the current limit,
5018 ;; then we do not display it.
5019 ((not (memq number gnus-newsgroup-limit))
5020 (setq gnus-tmp-gathered
5022 (lambda (h) (mail-header-number (car h)))
5025 (setq gnus-tmp-new-adopts (if (cdar thread)
5026 (append gnus-tmp-new-adopts
5028 gnus-tmp-new-adopts)
5030 gnus-tmp-header nil)
5031 (when (zerop gnus-tmp-level)
5032 (setq gnus-tmp-root-expunged t)))
5033 ;; Perhaps this article is to be marked as read?
5034 ((and gnus-summary-mark-below
5035 (< (or (cdr (assq number gnus-newsgroup-scored))
5037 gnus-summary-mark-below)
5038 ;; Don't touch sparse articles.
5039 (not (gnus-summary-article-sparse-p number))
5040 (not (gnus-summary-article-ancient-p number)))
5041 (setq gnus-newsgroup-unreads
5042 (delq number gnus-newsgroup-unreads))
5043 (if gnus-newsgroup-auto-expire
5044 (setq gnus-newsgroup-expirable
5045 (gnus-add-to-sorted-list
5046 gnus-newsgroup-expirable number))
5047 (push (cons number gnus-low-score-mark)
5048 gnus-newsgroup-reads))))
5050 (when gnus-tmp-header
5051 ;; We may have an old dummy line to output before this
5053 (when (and gnus-tmp-dummy-line
5056 (mail-header-subject gnus-tmp-header)))
5057 (gnus-summary-insert-dummy-line
5058 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5059 (setq gnus-tmp-dummy-line nil))
5061 ;; Compute the mark.
5062 (setq gnus-tmp-unread (gnus-article-mark number))
5064 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5065 gnus-tmp-header gnus-tmp-level)
5066 gnus-newsgroup-data)
5068 ;; Actually insert the line.
5070 gnus-tmp-subject-or-nil
5072 ((and gnus-thread-ignore-subject
5073 gnus-tmp-prev-subject
5074 (not (string= gnus-tmp-prev-subject simp-subject)))
5076 ((zerop gnus-tmp-level)
5077 (if (and (eq gnus-summary-make-false-root 'empty)
5078 (memq number gnus-tmp-gathered)
5079 gnus-tmp-prev-subject
5080 (string= gnus-tmp-prev-subject simp-subject))
5081 gnus-summary-same-subject
5083 (t gnus-summary-same-subject)))
5084 (if (and (eq gnus-summary-make-false-root 'adopt)
5085 (= gnus-tmp-level 1)
5086 (memq number gnus-tmp-gathered))
5087 (setq gnus-tmp-opening-bracket ?\<
5088 gnus-tmp-closing-bracket ?\>)
5089 (setq gnus-tmp-opening-bracket ?\[
5090 gnus-tmp-closing-bracket ?\]))
5092 gnus-tmp-indentation
5093 (aref gnus-thread-indent-array gnus-tmp-level)
5094 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5095 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5096 gnus-summary-default-score 0)
5098 (if (or (null gnus-summary-default-score)
5099 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5100 gnus-summary-zcore-fuzz))
5102 (if (< gnus-tmp-score gnus-summary-default-score)
5103 gnus-score-below-mark gnus-score-over-mark))
5105 (cond ((memq number gnus-newsgroup-processable)
5107 ((memq number gnus-newsgroup-cached)
5109 ((memq number gnus-newsgroup-replied)
5111 ((memq number gnus-newsgroup-forwarded)
5112 gnus-forwarded-mark)
5113 ((memq number gnus-newsgroup-saved)
5115 ((memq number gnus-newsgroup-recent)
5117 ((memq number gnus-newsgroup-unseen)
5121 (cond ((memq number gnus-newsgroup-undownloaded)
5122 gnus-undownloaded-mark)
5123 (gnus-newsgroup-agentized
5124 gnus-downloaded-mark)
5127 gnus-tmp-from (mail-header-from gnus-tmp-header)
5130 ((string-match "<[^>]+> *$" gnus-tmp-from)
5131 (setq beg-match (match-beginning 0))
5132 (or (and (string-match "^\".+\"" gnus-tmp-from)
5133 (substring gnus-tmp-from 1 (1- (match-end 0))))
5134 (substring gnus-tmp-from 0 beg-match)))
5135 ((string-match "(.+)" gnus-tmp-from)
5136 (substring gnus-tmp-from
5137 (1+ (match-beginning 0)) (1- (match-end 0))))
5141 gnus-tmp-thread-tree-header-string
5143 ((not gnus-show-threads) "")
5144 ((zerop gnus-tmp-level)
5145 (cond ((cdar thread)
5146 (or gnus-sum-thread-tree-root subject))
5147 (gnus-tmp-new-adopts
5148 (or gnus-sum-thread-tree-false-root subject))
5150 (or gnus-sum-thread-tree-single-indent subject))))
5152 (concat (apply 'concat
5153 (mapcar (lambda (item)
5155 gnus-sum-thread-tree-vertical
5156 gnus-sum-thread-tree-indent))
5157 (cdr (reverse tree-stack))))
5159 gnus-sum-thread-tree-leaf-with-other
5160 gnus-sum-thread-tree-single-leaf)))))
5161 (when (string= gnus-tmp-name "")
5162 (setq gnus-tmp-name gnus-tmp-from))
5163 (unless (numberp gnus-tmp-lines)
5164 (setq gnus-tmp-lines -1))
5165 (if (= gnus-tmp-lines -1)
5166 (setq gnus-tmp-lines "?")
5167 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5168 (gnus-put-text-property
5170 (progn (eval gnus-summary-line-format-spec) (point))
5171 'gnus-number number)
5174 (gnus-run-hooks 'gnus-summary-update-hook)
5177 (setq gnus-tmp-prev-subject simp-subject)))
5179 (when (nth 1 thread)
5180 (push (list (max 0 gnus-tmp-level)
5181 (copy-sequence tree-stack)
5184 (push (if (nth 1 thread) 1 0) tree-stack)
5185 (incf gnus-tmp-level)
5186 (setq threads (if thread-end nil (cdar thread)))
5187 (if gnus-summary-display-while-building
5190 ;; use a set frequency
5191 (setq building-line-count (1- building-line-count))
5192 (when (= building-line-count 0)
5194 (setq building-line-count
5195 gnus-summary-display-while-building)))
5199 (setq gnus-tmp-level 0)))))
5200 (gnus-message 7 "Generating summary...done"))
5202 (defun gnus-summary-prepare-unthreaded (headers)
5203 "Generate an unthreaded summary buffer based on HEADERS."
5204 (let (header number mark)
5209 ;; We may have to root out some bad articles...
5210 (when (memq (setq number (mail-header-number
5211 (setq header (pop headers))))
5212 gnus-newsgroup-limit)
5213 ;; Mark article as read when it has a low score.
5214 (when (and gnus-summary-mark-below
5215 (< (or (cdr (assq number gnus-newsgroup-scored))
5216 gnus-summary-default-score 0)
5217 gnus-summary-mark-below)
5218 (not (gnus-summary-article-ancient-p number)))
5219 (setq gnus-newsgroup-unreads
5220 (delq number gnus-newsgroup-unreads))
5221 (if gnus-newsgroup-auto-expire
5222 (push number gnus-newsgroup-expirable)
5223 (push (cons number gnus-low-score-mark)
5224 gnus-newsgroup-reads)))
5226 (setq mark (gnus-article-mark number))
5227 (push (gnus-data-make number mark (1+ (point)) header 0)
5228 gnus-newsgroup-data)
5229 (gnus-summary-insert-line
5231 (memq number gnus-newsgroup-undownloaded)
5232 mark (memq number gnus-newsgroup-replied)
5233 (memq number gnus-newsgroup-expirable)
5234 (mail-header-subject header) nil
5235 (cdr (assq number gnus-newsgroup-scored))
5236 (memq number gnus-newsgroup-processable))))))
5238 (defun gnus-summary-remove-list-identifiers ()
5239 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5240 (let ((regexp (if (consp gnus-list-identifiers)
5241 (mapconcat 'identity gnus-list-identifiers " *\\|")
5242 gnus-list-identifiers))
5245 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5246 (dolist (header gnus-newsgroup-headers)
5247 (setq subject (mail-header-subject header)
5249 (while (string-match regexp subject)
5251 (concat (substring subject 0 (match-beginning 1))
5252 (substring subject (match-end 0)))
5255 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5257 (concat (substring subject 0 (match-beginning 1))
5258 (substring subject (match-end 1)))))
5259 (mail-header-set-subject header subject))))))
5261 (defun gnus-fetch-headers (articles)
5262 "Fetch headers of ARTICLES."
5263 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5264 (gnus-message 5 "Fetching headers for %s..." name)
5267 (setq gnus-headers-retrieved-by
5268 (gnus-retrieve-headers
5269 articles gnus-newsgroup-name
5270 ;; We might want to fetch old headers, but
5271 ;; not if there is only 1 article.
5273 (not (eq gnus-fetch-old-headers 'some))
5274 (not (numberp gnus-fetch-old-headers)))
5275 (> (length articles) 1))
5276 gnus-fetch-old-headers))))
5277 (gnus-get-newsgroup-headers-xover
5278 articles nil nil gnus-newsgroup-name t)
5279 (gnus-get-newsgroup-headers))
5280 (gnus-message 5 "Fetching headers for %s...done" name))))
5282 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5283 "Select newsgroup GROUP.
5284 If READ-ALL is non-nil, all articles in the group are selected.
5285 If SELECT-ARTICLES, only select those articles from GROUP."
5286 (let* ((entry (gnus-group-entry group))
5287 ;;!!! Dirty hack; should be removed.
5288 (gnus-summary-ignore-duplicates
5289 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5291 gnus-summary-ignore-duplicates))
5292 (info (nth 2 entry))
5293 articles fetched-articles cached)
5295 (unless (gnus-check-server
5296 (set (make-local-variable 'gnus-current-select-method)
5297 (gnus-find-method-for-group group)))
5298 (error "Couldn't open server"))
5300 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5301 (gnus-activate-group group) ; Or we can activate it...
5302 (progn ; Or we bug out.
5303 (when (equal major-mode 'gnus-summary-mode)
5304 (gnus-kill-buffer (current-buffer)))
5305 (error "Couldn't activate group %s: %s"
5306 group (gnus-status-message group))))
5308 (unless (gnus-request-group group t)
5309 (when (equal major-mode 'gnus-summary-mode)
5310 (gnus-kill-buffer (current-buffer)))
5311 (error "Couldn't request group %s: %s"
5312 group (gnus-status-message group)))
5315 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5317 (setq gnus-summary-use-undownloaded-faces
5318 (gnus-agent-find-parameter
5320 'agent-enable-undownloaded-faces)))
5322 (setq gnus-newsgroup-name group
5323 gnus-newsgroup-unselected nil
5324 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5326 (let ((display (gnus-group-find-parameter group 'display)))
5327 (setq gnus-newsgroup-display
5329 ((not (zerop (or (car-safe read-all) 0)))
5330 ;; The user entered the group with C-u SPC/RET, let's show
5336 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5338 ;; The following is probably the "correct" solution, but
5339 ;; it makes Gnus fetch all headers and then limit the
5340 ;; articles (which is slow), so instead we hack the
5341 ;; select-articles parameter instead. -- Simon Josefsson
5344 ;; (gnus-byte-compile
5345 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5347 (setq select-articles
5348 (gnus-uncompress-range
5349 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5353 (cdr (gnus-active group)))))
5358 (gnus-summary-setup-default-charset)
5360 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5361 (when (gnus-virtual-group-p group)
5362 (setq cached gnus-newsgroup-cached))
5364 (setq gnus-newsgroup-unreads
5365 (gnus-sorted-ndifference
5366 (gnus-sorted-ndifference gnus-newsgroup-unreads
5367 gnus-newsgroup-marked)
5368 gnus-newsgroup-dormant))
5370 (setq gnus-newsgroup-processable nil)
5372 (gnus-update-read-articles group gnus-newsgroup-unreads)
5374 ;; Adjust and set lists of article marks.
5376 (gnus-adjust-marked-articles info))
5377 (if (setq articles select-articles)
5378 (setq gnus-newsgroup-unselected
5379 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5380 (setq articles (gnus-articles-to-read group read-all)))
5384 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5386 ((eq articles 0) nil)
5388 ;; Init the dependencies hash table.
5389 (setq gnus-newsgroup-dependencies
5390 (gnus-make-hashtable (length articles)))
5391 (gnus-set-global-variables)
5392 ;; Retrieve the headers and read them in.
5394 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5396 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5398 (setq gnus-newsgroup-cached cached))
5400 ;; Suppress duplicates?
5401 (when gnus-suppress-duplicates
5402 (gnus-dup-suppress-articles))
5404 ;; Set the initial limit.
5405 (setq gnus-newsgroup-limit (copy-sequence articles))
5406 ;; Remove canceled articles from the list of unread articles.
5407 (setq fetched-articles
5408 (mapcar (lambda (headers) (mail-header-number headers))
5409 gnus-newsgroup-headers))
5410 (setq gnus-newsgroup-articles fetched-articles)
5411 (setq gnus-newsgroup-unreads
5412 (gnus-sorted-nintersection
5413 gnus-newsgroup-unreads fetched-articles))
5414 (gnus-compute-unseen-list)
5416 ;; Removed marked articles that do not exist.
5417 (gnus-update-missing-marks
5418 (gnus-sorted-difference articles fetched-articles))
5419 ;; We might want to build some more threads first.
5420 (when (and gnus-fetch-old-headers
5421 (eq gnus-headers-retrieved-by 'nov))
5422 (if (eq gnus-fetch-old-headers 'invisible)
5423 (gnus-build-all-threads)
5424 (gnus-build-old-threads)))
5425 ;; Let the Gnus agent mark articles as read.
5427 (gnus-agent-get-undownloaded-list))
5428 ;; Remove list identifiers from subject
5429 (when gnus-list-identifiers
5430 (gnus-summary-remove-list-identifiers))
5431 ;; Check whether auto-expire is to be done in this group.
5432 (setq gnus-newsgroup-auto-expire
5433 (gnus-group-auto-expirable-p group))
5434 ;; Set up the article buffer now, if necessary.
5435 (unless gnus-single-article-buffer
5436 (gnus-article-setup-buffer))
5437 ;; First and last article in this newsgroup.
5438 (when gnus-newsgroup-headers
5439 (setq gnus-newsgroup-begin
5440 (mail-header-number (car gnus-newsgroup-headers))
5443 (gnus-last-element gnus-newsgroup-headers))))
5444 ;; GROUP is successfully selected.
5445 (or gnus-newsgroup-headers t)))))
5447 (defun gnus-compute-unseen-list ()
5448 ;; The `seen' marks are treated specially.
5449 (if (not gnus-newsgroup-seen)
5450 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5451 (setq gnus-newsgroup-unseen
5452 (gnus-inverse-list-range-intersection
5453 gnus-newsgroup-articles gnus-newsgroup-seen))))
5455 (defun gnus-summary-display-make-predicate (display)
5456 (require 'gnus-agent)
5457 (when (= (length display) 1)
5458 (setq display (car display)))
5459 (unless gnus-summary-display-cache
5460 (dolist (elem (append '((unread . unread)
5463 gnus-article-mark-lists))
5464 (push (cons (cdr elem)
5466 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5467 gnus-summary-display-cache)))
5468 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5469 (gnus-category-predicate-cache gnus-summary-display-cache))
5470 (gnus-get-predicate display)))
5472 ;; Uses the dynamically bound `number' variable.
5475 (defun gnus-article-marked-p (type &optional article)
5476 (let ((article (or article number)))
5479 (memq article gnus-newsgroup-marked))
5481 (memq article gnus-newsgroup-spam-marked))
5483 (memq article gnus-newsgroup-unsendable))
5484 ((eq type 'undownload)
5485 (memq article gnus-newsgroup-undownloaded))
5486 ((eq type 'download)
5487 (memq article gnus-newsgroup-downloadable))
5489 (memq article gnus-newsgroup-unreads))
5491 (memq article gnus-newsgroup-reads))
5493 (memq article gnus-newsgroup-dormant) )
5495 (memq article gnus-newsgroup-expirable))
5497 (memq article gnus-newsgroup-replied))
5499 (memq article gnus-newsgroup-killed))
5500 ((eq type 'bookmark)
5501 (assq article gnus-newsgroup-bookmarks))
5503 (assq article gnus-newsgroup-scored))
5505 (memq article gnus-newsgroup-saved))
5507 (memq article gnus-newsgroup-cached))
5509 (memq article gnus-newsgroup-forwarded))
5511 (not (memq article gnus-newsgroup-unseen)))
5513 (memq article gnus-newsgroup-recent))
5516 (defun gnus-articles-to-read (group &optional read-all)
5517 "Find out what articles the user wants to read."
5519 ;; Select all articles if `read-all' is non-nil, or if there
5520 ;; are no unread articles.
5522 (and (zerop (length gnus-newsgroup-marked))
5523 (zerop (length gnus-newsgroup-unreads)))
5524 ;; Fetch all if the predicate is non-nil.
5525 gnus-newsgroup-display)
5526 ;; We want to select the headers for all the articles in
5527 ;; the group, so we select either all the active
5528 ;; articles in the group, or (if that's nil), the
5529 ;; articles in the cache.
5531 (gnus-uncompress-range (gnus-active group))
5532 (gnus-cache-articles-in-group group))
5533 ;; Select only the "normal" subset of articles.
5535 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5536 gnus-newsgroup-unreads)))
5537 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5538 (scored (length scored-list))
5539 (number (length articles))
5540 (marked (+ (length gnus-newsgroup-marked)
5541 (length gnus-newsgroup-dormant)))
5546 ((numberp gnus-newsgroup-display)
5547 gnus-newsgroup-display)
5551 ((and (or (<= scored marked) (= scored number))
5552 (numberp gnus-large-newsgroup)
5553 (> number gnus-large-newsgroup))
5554 (let* ((cursor-in-echo-area nil)
5555 (initial (gnus-parameter-large-newsgroup-initial
5556 gnus-newsgroup-name))
5560 "How many articles from %s (%s %d): "
5562 (gnus-group-decoded-name gnus-newsgroup-name)
5564 (if initial "max" "default")
5567 (cons (number-to-string initial)
5569 (if (string-match "^[ \t]*$" input) number input)))
5570 ((and (> scored marked) (< scored number)
5571 (> (- scored number) 20))
5574 (format "%s %s (%d scored, %d total): "
5575 "How many articles from"
5576 (gnus-group-decoded-name group)
5578 (if (string-match "^[ \t]*$" input)
5582 (message "Quit getting the articles to read")
5584 (setq select (if (stringp select) (string-to-number select) select))
5585 (if (or (null select) (zerop select))
5587 (if (and (not (zerop scored)) (<= (abs select) scored))
5589 (setq articles (sort scored-list '<))
5590 (setq number (length articles)))
5591 (setq articles (copy-sequence articles)))
5593 (when (< (abs select) number)
5595 ;; Select the N oldest articles.
5596 (setcdr (nthcdr (1- (abs select)) articles) nil)
5597 ;; Select the N most recent articles.
5598 (setq articles (nthcdr (- number select) articles))))
5599 (setq gnus-newsgroup-unselected
5600 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5601 (when gnus-alter-articles-to-read-function
5604 (funcall gnus-alter-articles-to-read-function
5605 gnus-newsgroup-name articles)
5609 (defun gnus-killed-articles (killed articles)
5612 (when (inline (gnus-member-of-range (car articles) killed))
5613 (push (car articles) out))
5614 (setq articles (cdr articles)))
5617 (defun gnus-uncompress-marks (marks)
5618 "Uncompress the mark ranges in MARKS."
5619 (let ((uncompressed '(score bookmark))
5622 (if (memq (caar marks) uncompressed)
5623 (push (car marks) out)
5624 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5625 (setq marks (cdr marks)))
5628 (defun gnus-article-mark-to-type (mark)
5629 "Return the type of MARK."
5630 (or (cadr (assq mark gnus-article-special-mark-lists))
5633 (defun gnus-article-unpropagatable-p (mark)
5634 "Return whether MARK should be propagated to back end."
5635 (memq mark gnus-article-unpropagated-mark-lists))
5637 (defun gnus-adjust-marked-articles (info)
5638 "Set all article lists and remove all marks that are no longer valid."
5639 (let* ((marked-lists (gnus-info-marks info))
5640 (active (gnus-active (gnus-info-group info)))
5643 (types gnus-article-mark-lists)
5644 marks var articles article mark mark-type
5647 (dolist (marks marked-lists)
5648 (setq mark (car marks)
5649 mark-type (gnus-article-mark-to-type mark)
5650 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5652 ;; We set the variable according to the type of the marks list,
5653 ;; and then adjust the marks to a subset of the active articles.
5655 ;; Adjust "simple" lists - compressed yet unsorted
5656 ((eq mark-type 'list)
5657 ;; Simultaneously uncompress and clip to active range
5658 ;; See gnus-uncompress-range for a description of possible marks
5660 (if (not (cadr marks))
5662 (setq articles (if (numberp (cddr marks))
5668 (while (setq article (pop articles))
5669 (cond ((consp article)
5670 (setq bgn (max (car article) min)
5671 end (min (cdr article) max))
5673 (setq l (setcdr l (cons bgn nil))
5675 ((and (<= min article)
5677 (setq l (setcdr l (cons article nil))))))
5678 (set var (cdr lh)))))
5680 ((eq mark-type 'tuple)
5681 (set var (setq articles (cdr marks)))
5682 (when (not (listp (cdr (symbol-value var))))
5683 (set var (list (symbol-value var))))
5684 (when (not (listp (cdr articles)))
5685 (setq articles (list articles)))
5687 (when (or (not (consp (setq article (pop articles))))
5688 (< (car article) min)
5689 (> (car article) max))
5690 (set var (delq article (symbol-value var))))))
5691 ;; Adjust ranges (sloppily).
5692 ((eq mark-type 'range)
5695 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5696 ;; It should be (seen (NUM1 . NUM2)).
5697 (when (numberp (cddr marks))
5698 (setcdr marks (list (cdr marks))))
5699 (setq articles (cdr marks))
5700 (while (and articles
5701 (or (and (consp (car articles))
5702 (> min (cdar articles)))
5703 (and (numberp (car articles))
5704 (> min (car articles)))))
5706 (set var articles))))))))
5708 (defun gnus-update-missing-marks (missing)
5709 "Go through the list of MISSING articles and remove them from the mark lists."
5712 ;; Go through all types.
5713 (dolist (elem gnus-article-mark-lists)
5714 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5715 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5716 (when (symbol-value var)
5717 ;; This list has articles. So we delete all missing
5718 ;; articles from it.
5721 (set var (delq (pop m) (symbol-value var))))))))))
5723 (defun gnus-update-marks ()
5724 "Enter the various lists of marked articles into the newsgroup info list."
5725 (let ((types gnus-article-mark-lists)
5726 (info (gnus-get-info gnus-newsgroup-name))
5727 type list newmarked symbol delta-marks)
5729 ;; Add all marks lists to the list of marks lists.
5730 (while (setq type (pop types))
5731 (setq list (symbol-value
5733 (intern (format "gnus-newsgroup-%s" (car type))))))
5736 ;; Get rid of the entries of the articles that have the
5738 (when (and (eq (cdr type) 'score)
5742 (prev (cons nil list))
5745 (if (or (not (consp (car arts)))
5746 (= (cdar arts) gnus-summary-default-score))
5747 (setcdr prev (cdr arts))
5749 (setq arts (cdr arts)))
5750 (setq list (cdr all)))))
5752 (when (eq (cdr type) 'seen)
5753 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5755 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5756 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5758 (when (and (gnus-check-backend-function
5759 'request-set-mark gnus-newsgroup-name)
5760 (not (gnus-article-unpropagatable-p (cdr type))))
5761 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5762 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5763 (add (gnus-remove-from-range
5764 (gnus-copy-sequence list) old)))
5766 (push (list add 'add (list (cdr type))) delta-marks))
5768 (push (list del 'del (list (cdr type))) delta-marks))))
5771 (push (cons (cdr type) list) newmarked)))
5774 (unless (gnus-check-group gnus-newsgroup-name)
5775 (error "Can't open server for %s" gnus-newsgroup-name))
5776 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5778 ;; Enter these new marks into the info of the group.
5780 (setcar (nthcdr 3 info) newmarked)
5781 ;; Add the marks lists to the end of the info.
5783 (setcdr (nthcdr 2 info) (list newmarked))))
5785 ;; Cut off the end of the info if there's nothing else there.
5789 (when (nthcdr (decf i) info)
5790 (setcdr (nthcdr i info) nil)))))))
5792 (defun gnus-set-mode-line (where)
5793 "Set the mode line of the article or summary buffers.
5794 If WHERE is `summary', the summary mode line format will be used."
5795 ;; Is this mode line one we keep updated?
5796 (when (and (memq where gnus-updated-mode-lines)
5798 (intern (format "gnus-%s-mode-line-format-spec" where))))
5801 ;; We evaluate this in the summary buffer since these
5802 ;; variables are buffer-local to that buffer.
5803 (set-buffer gnus-summary-buffer)
5804 ;; We bind all these variables that are used in the `eval' form
5806 (let* ((mformat (symbol-value
5808 (format "gnus-%s-mode-line-format-spec" where))))
5809 (gnus-tmp-group-name (gnus-group-decoded-name
5810 gnus-newsgroup-name))
5811 (gnus-tmp-article-number (or gnus-current-article 0))
5812 (gnus-tmp-unread gnus-newsgroup-unreads)
5813 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5814 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5815 (gnus-tmp-unread-and-unselected
5816 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5817 (zerop gnus-tmp-unselected))
5819 ((zerop gnus-tmp-unselected)
5820 (format "{%d more}" gnus-tmp-unread-and-unticked))
5821 (t (format "{%d(+%d) more}"
5822 gnus-tmp-unread-and-unticked
5823 gnus-tmp-unselected))))
5825 (if (and gnus-current-headers
5826 (vectorp gnus-current-headers))
5827 (gnus-mode-string-quote
5828 (mail-header-subject gnus-current-headers))
5830 bufname-length max-len
5831 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5832 (setq mode-string (eval mformat))
5833 (setq bufname-length (if (string-match "%b" mode-string)
5836 (if (eq where 'summary)
5838 (get-buffer gnus-article-buffer))))
5841 (setq max-len (max 4 (if gnus-mode-non-string-length
5843 gnus-mode-non-string-length
5845 (length mode-string))))
5846 ;; We might have to chop a bit of the string off...
5847 (when (> (length mode-string) max-len)
5849 (concat (truncate-string-to-width mode-string (- max-len 3))
5851 ;; Pad the mode string a bit.
5852 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5853 ;; Update the mode line.
5854 (setq mode-line-buffer-identification
5855 (gnus-mode-line-buffer-identification (list mode-string)))
5856 (set-buffer-modified-p t))))
5858 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5859 "Go through the HEADERS list and add all Xrefs to a hash table.
5860 The resulting hash table is returned, or nil if no Xrefs were found."
5861 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5862 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5863 (xref-hashtb (gnus-make-hashtable))
5864 start group entry number xrefs header)
5866 (setq header (pop headers))
5867 (when (and (setq xrefs (mail-header-xref header))
5868 (not (memq (setq number (mail-header-number header))
5871 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5872 (setq start (match-end 0))
5873 (setq group (if prefix
5874 (concat prefix (substring xrefs (match-beginning 1)
5876 (substring xrefs (match-beginning 1) (match-end 1))))
5878 (string-to-number (substring xrefs (match-beginning 2)
5880 (if (setq entry (gnus-gethash group xref-hashtb))
5881 (setcdr entry (cons number (cdr entry)))
5882 (gnus-sethash group (cons number nil) xref-hashtb)))))
5883 (and start xref-hashtb)))
5885 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5886 "Look through all the headers and mark the Xrefs as read."
5887 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5888 name info xref-hashtb idlist method nth4)
5890 (set-buffer gnus-group-buffer)
5891 (when (setq xref-hashtb
5892 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5895 (unless (string= from-newsgroup (setq name (symbol-name group)))
5896 (setq idlist (symbol-value group))
5897 ;; Dead groups are not updated.
5899 (setq info (gnus-get-info name))
5900 (when (stringp (setq nth4 (gnus-info-method info)))
5901 (setq nth4 (gnus-server-to-method nth4))))
5902 ;; Only do the xrefs if the group has the same
5903 ;; select method as the group we have just read.
5904 (or (gnus-methods-equal-p
5905 nth4 (gnus-find-method-for-group from-newsgroup))
5907 (equal nth4 (setq method (gnus-find-method-for-group
5909 (and (equal (car nth4) (car method))
5910 (equal (nth 1 nth4) (nth 1 method))))
5911 gnus-use-cross-reference
5912 (or (not (eq gnus-use-cross-reference t))
5914 ;; Only do cross-references on subscribed
5915 ;; groups, if that is what is wanted.
5916 (<= (gnus-info-level info) gnus-level-subscribed))
5917 (gnus-group-make-articles-read name idlist))))
5920 (defun gnus-compute-read-articles (group articles)
5921 (let* ((entry (gnus-group-entry group))
5922 (info (nth 2 entry))
5923 (active (gnus-active group))
5926 ;; First peel off all invalid article numbers.
5928 (let ((ids articles)
5930 (while (setq id (pop ids))
5931 (when (and first (> id (cdr active)))
5932 ;; We'll end up in this situation in one particular
5933 ;; obscure situation. If you re-scan a group and get
5934 ;; a new article that is cross-posted to a different
5935 ;; group that has not been re-scanned, you might get
5936 ;; crossposted article that has a higher number than
5937 ;; Gnus believes possible. So we re-activate this
5938 ;; group as well. This might mean doing the
5939 ;; crossposting thingy will *increase* the number
5940 ;; of articles in some groups. Tsk, tsk.
5941 (setq active (or (gnus-activate-group group) active)))
5942 (when (or (> id (cdr active))
5943 (< id (car active)))
5944 (setq articles (delq id articles))))))
5945 ;; If the read list is nil, we init it.
5947 (null (gnus-info-read info))
5949 (setq ninfo (cons 1 (1- (car active))))
5950 (setq ninfo (gnus-info-read info)))
5951 ;; Then we add the read articles to the range.
5953 ninfo (setq articles (sort articles '<))))))
5955 (defun gnus-group-make-articles-read (group articles)
5956 "Update the info of GROUP to say that ARTICLES are read."
5958 (entry (gnus-group-entry group))
5959 (info (nth 2 entry))
5960 (active (gnus-active group))
5963 (setq range (gnus-compute-read-articles group articles))
5964 (with-current-buffer gnus-group-buffer
5967 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5968 (gnus-info-set-read ',info ',(gnus-info-read info))
5969 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5970 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5971 (gnus-group-update-group ,group t))))
5972 ;; Add the read articles to the range.
5973 (gnus-info-set-read info range)
5974 (gnus-request-set-mark group (list (list range 'add '(read))))
5975 ;; Then we have to re-compute how many unread
5976 ;; articles there are in this group.
5980 (setq num (- (1+ (cdr active)) (car active))))
5981 ((not (listp (cdr range)))
5982 (setq num (- (cdr active) (- (1+ (cdr range))
5986 (if (numberp (car range))
5988 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5989 (setq range (cdr range)))
5990 (setq num (- (cdr active) num))))
5991 ;; Update the number of unread articles.
5993 ;; Update the group buffer.
5994 (unless (gnus-ephemeral-group-p group)
5995 (gnus-group-update-group group t))))))
5997 (defvar gnus-newsgroup-none-id 0)
5999 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6000 (let ((cur nntp-server-buffer)
6003 (with-current-buffer gnus-summary-buffer
6004 gnus-newsgroup-dependencies)))
6005 headers id end ref number
6006 (mail-parse-charset gnus-newsgroup-charset)
6007 (mail-parse-ignored-charsets
6008 (save-excursion (condition-case nil
6009 (set-buffer gnus-summary-buffer)
6011 gnus-newsgroup-ignored-charsets)))
6013 (set-buffer nntp-server-buffer)
6014 ;; Translate all TAB characters into SPACE characters.
6015 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6016 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6017 (ietf-drums-unfold-fws)
6018 (gnus-run-hooks 'gnus-parse-headers-hook)
6019 (let ((case-fold-search t)
6020 in-reply-to header p lines chars)
6021 (goto-char (point-min))
6022 ;; Search to the beginning of the next header. Error messages
6023 ;; do not begin with 2 or 3.
6024 (while (re-search-forward "^[23][0-9]+ " nil t)
6027 ;; This implementation of this function, with nine
6028 ;; search-forwards instead of the one re-search-forward and
6029 ;; a case (which basically was the old function) is actually
6030 ;; about twice as fast, even though it looks messier. You
6031 ;; can't have everything, I guess. Speed and elegance
6032 ;; doesn't always go hand in hand.
6038 (setq number (read cur))
6041 (narrow-to-region (point)
6042 (or (and (search-forward "\n.\n" nil t)
6048 (if (search-forward "\nsubject:" nil t)
6049 (funcall gnus-decode-encoded-word-function
6050 (nnheader-header-value))
6055 (if (search-forward "\nfrom:" nil t)
6056 (funcall gnus-decode-encoded-word-function
6057 (nnheader-header-value))
6062 (if (search-forward "\ndate:" nil t)
6063 (nnheader-header-value) ""))
6067 (setq id (if (re-search-forward
6068 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6069 ;; We do it this way to make sure the Message-ID
6070 ;; is (somewhat) syntactically valid.
6071 (buffer-substring (match-beginning 1)
6073 ;; If there was no message-id, we just fake one
6074 ;; to make subsequent routines simpler.
6075 (nnheader-generate-fake-message-id number))))
6079 (if (search-forward "\nreferences:" nil t)
6083 (nnheader-header-value)
6088 (search-backward ">" end t)
6091 (search-backward "<" end t)
6093 ;; Get the references from the in-reply-to header if there
6094 ;; were no references and the in-reply-to header looks
6096 (if (and (search-forward "\nin-reply-to:" nil t)
6097 (setq in-reply-to (nnheader-header-value))
6098 (string-match "<[^>]+>" in-reply-to))
6100 (setq ref (substring in-reply-to (match-beginning 0)
6102 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6103 (setq ref2 (substring in-reply-to (match-beginning 0)
6105 (when (> (length ref2) (length ref))
6112 (if (search-forward "\nchars: " nil t)
6113 (if (numberp (setq chars (ignore-errors (read cur))))
6119 (if (search-forward "\nlines: " nil t)
6120 (if (numberp (setq lines (ignore-errors (read cur))))
6126 (and (search-forward "\nxref:" nil t)
6127 (nnheader-header-value)))
6129 (when gnus-extra-headers
6130 (let ((extra gnus-extra-headers)
6134 (when (search-forward
6135 (concat "\n" (symbol-name (car extra)) ":") nil t)
6136 (push (cons (car extra) (nnheader-header-value))
6140 (when (equal id ref)
6143 (when gnus-alter-header-function
6144 (funcall gnus-alter-header-function header)
6145 (setq id (mail-header-id header)
6146 ref (gnus-parent-id (mail-header-references header))))
6149 (gnus-dependencies-add-header
6150 header dependencies force-new))
6151 (push header headers))
6152 (goto-char (point-max))
6154 (nreverse headers)))))
6156 ;; Goes through the xover lines and returns a list of vectors
6157 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6158 force-new dependencies
6159 group also-fetch-heads)
6160 "Parse the news overview data in the server buffer.
6161 Return a list of headers that match SEQUENCE (see
6162 `nntp-retrieve-headers')."
6163 ;; Get the Xref when the users reads the articles since most/some
6164 ;; NNTP servers do not include Xrefs when using XOVER.
6165 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6166 (let ((mail-parse-charset gnus-newsgroup-charset)
6167 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6168 (cur nntp-server-buffer)
6169 (dependencies (or dependencies gnus-newsgroup-dependencies))
6171 ((eq gnus-read-all-available-headers t)
6173 ((stringp gnus-read-all-available-headers)
6174 (string-match gnus-read-all-available-headers group))
6177 number headers header)
6179 (set-buffer nntp-server-buffer)
6180 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6181 ;; Allow the user to mangle the headers before parsing them.
6182 (gnus-run-hooks 'gnus-parse-headers-hook)
6183 (goto-char (point-min))
6184 (gnus-parse-without-error
6185 (while (and (or sequence allp)
6187 (setq number (read cur))
6189 (while (and sequence
6190 (< (car sequence) number))
6191 (setq sequence (cdr sequence))))
6194 (eq number (car sequence))))
6196 (setq sequence (cdr sequence))
6197 (setq header (inline
6198 (gnus-nov-parse-line
6199 number dependencies force-new)))))
6200 (push header headers))
6202 ;; A common bug in inn is that if you have posted an article and
6203 ;; then retrieves the active file, it will answer correctly --
6204 ;; the new article is included. However, a NOV entry for the
6205 ;; article may not have been generated yet, so this may fail.
6206 ;; We work around this problem by retrieving the last few
6207 ;; headers using HEAD.
6208 (if (or (not also-fetch-heads)
6210 ;; We (probably) got all the headers.
6212 (let ((gnus-nov-is-evil t))
6215 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6216 (gnus-get-newsgroup-headers))))))))
6218 (defun gnus-article-get-xrefs ()
6219 "Fill in the Xref value in `gnus-current-headers', if necessary.
6220 This is meant to be called in `gnus-article-internal-prepare-hook'."
6221 (let ((headers (with-current-buffer gnus-summary-buffer
6222 gnus-current-headers)))
6223 (or (not gnus-use-cross-reference)
6225 (and (mail-header-xref headers)
6226 (not (string= (mail-header-xref headers) "")))
6227 (let ((case-fold-search t)
6230 (nnheader-narrow-to-headers)
6231 (goto-char (point-min))
6232 (when (or (and (not (eobp))
6233 (eq (downcase (char-after)) ?x)
6234 (looking-at "Xref:"))
6235 (search-forward "\nXref:" nil t))
6236 (goto-char (1+ (match-end 0)))
6237 (setq xref (buffer-substring (point) (point-at-eol)))
6238 (mail-header-set-xref headers xref)))))))
6240 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6241 "Find article ID and insert the summary line for that article.
6242 OLD-HEADER can either be a header or a line number to insert
6243 the subject line on."
6244 (let* ((line (and (numberp old-header) old-header))
6245 (old-header (and (vectorp old-header) old-header))
6246 (header (cond ((and old-header use-old-header)
6249 (gnus-number-to-header id))
6250 (gnus-number-to-header id))
6252 (gnus-read-header id))))
6253 (number (and (numberp id) id))
6256 ;; Rebuild the thread that this article is part of and go to the
6257 ;; article we have fetched.
6258 (when (and (not gnus-show-threads)
6261 (setq d (gnus-data-find (mail-header-number old-header))))
6262 (goto-char (gnus-data-pos d))
6268 (gnus-delete-line))))))
6269 ;; Remove list identifiers from subject.
6270 (when gnus-list-identifiers
6271 (let ((gnus-newsgroup-headers (list header)))
6272 (gnus-summary-remove-list-identifiers)))
6274 (mail-header-set-number header (mail-header-number old-header)))
6275 (setq gnus-newsgroup-sparse
6276 (delq (setq number (mail-header-number header))
6277 gnus-newsgroup-sparse))
6278 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6279 (push number gnus-newsgroup-limit)
6280 (gnus-rebuild-thread (mail-header-id header) line)
6281 (gnus-summary-goto-subject number nil t))
6282 (when (and (numberp number)
6284 ;; We have to update the boundaries even if we can't fetch the
6285 ;; article if ID is a number -- so that the next `P' or `N'
6286 ;; command will fetch the previous (or next) article even
6287 ;; if the one we tried to fetch this time has been canceled.
6288 (when (> number gnus-newsgroup-end)
6289 (setq gnus-newsgroup-end number))
6290 (when (< number gnus-newsgroup-begin)
6291 (setq gnus-newsgroup-begin number))
6292 (setq gnus-newsgroup-unselected
6293 (delq number gnus-newsgroup-unselected)))
6294 ;; Report back a success?
6295 (and header (mail-header-number header))))
6297 ;;; Process/prefix in the summary buffer
6299 (defun gnus-summary-work-articles (n)
6300 "Return a list of articles to be worked upon.
6301 The prefix argument, the list of process marked articles, and the
6302 current article will be taken into consideration."
6304 (set-buffer gnus-summary-buffer)
6307 ;; A numerical prefix has been given.
6308 (setq n (prefix-numeric-value n))
6309 (let ((backward (< n 0))
6310 (n (abs (prefix-numeric-value n)))
6315 (push (setq article (gnus-summary-article-number))
6318 (gnus-summary-find-prev nil article)
6319 (gnus-summary-find-next nil article)))
6321 (nreverse articles)))
6322 ((and (gnus-region-active-p) (mark))
6323 (message "region active")
6324 ;; Work on the region between point and mark.
6325 (let ((max (max (point) (mark)))
6328 (goto-char (min (point) (mark)))
6331 (push (setq article (gnus-summary-article-number)) articles)
6332 (gnus-summary-find-next nil article)
6334 (nreverse articles))))
6335 (gnus-newsgroup-processable
6336 ;; There are process-marked articles present.
6337 ;; Save current state.
6338 (gnus-summary-save-process-mark)
6340 (reverse gnus-newsgroup-processable))
6342 ;; Just return the current article.
6343 (list (gnus-summary-article-number))))))
6345 (defmacro gnus-summary-iterate (arg &rest forms)
6346 "Iterate over the process/prefixed articles and do FORMS.
6347 ARG is the interactive prefix given to the command. FORMS will be
6348 executed with point over the summary line of the articles."
6349 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6350 `(let ((,articles (gnus-summary-work-articles ,arg)))
6352 (gnus-summary-goto-subject (car ,articles))
6356 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6357 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6359 (defun gnus-summary-save-process-mark ()
6360 "Push the current set of process marked articles on the stack."
6362 (push (copy-sequence gnus-newsgroup-processable)
6363 gnus-newsgroup-process-stack))
6365 (defun gnus-summary-kill-process-mark ()
6366 "Push the current set of process marked articles on the stack and unmark."
6368 (gnus-summary-save-process-mark)
6369 (gnus-summary-unmark-all-processable))
6371 (defun gnus-summary-yank-process-mark ()
6372 "Pop the last process mark state off the stack and restore it."
6374 (unless gnus-newsgroup-process-stack
6375 (error "Empty mark stack"))
6376 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6378 (defun gnus-summary-process-mark-set (set)
6379 "Make SET into the current process marked articles."
6380 (gnus-summary-unmark-all-processable)
6381 (mapc 'gnus-summary-set-process-mark set))
6383 ;;; Searching and stuff
6385 (defun gnus-summary-search-group (&optional backward use-level)
6386 "Search for next unread newsgroup.
6387 If optional argument BACKWARD is non-nil, search backward instead."
6389 (set-buffer gnus-group-buffer)
6390 (when (gnus-group-search-forward
6391 backward nil (if use-level (gnus-group-group-level) nil))
6392 (gnus-group-group-name))))
6394 (defun gnus-summary-best-group (&optional exclude-group)
6395 "Find the name of the best unread group.
6396 If EXCLUDE-GROUP, do not go to this group."
6397 (with-current-buffer gnus-group-buffer
6399 (gnus-group-best-unread-group exclude-group))))
6401 (defun gnus-summary-find-next (&optional unread article backward)
6403 (gnus-summary-find-prev unread article)
6404 (let* ((dummy (gnus-summary-article-intangible-p))
6405 (article (or article (gnus-summary-article-number)))
6406 (data (gnus-data-find-list article))
6408 (when (and (not dummy)
6409 (or (not gnus-summary-check-current)
6411 (not (gnus-data-unread-p (car data)))))
6412 (setq data (cdr data)))
6417 (unless (memq (gnus-data-number (car data))
6419 ((eq gnus-auto-goto-ignores
6420 'always-undownloaded)
6421 gnus-newsgroup-undownloaded)
6424 ((eq gnus-auto-goto-ignores
6426 gnus-newsgroup-unfetched)
6427 ((eq gnus-auto-goto-ignores
6429 gnus-newsgroup-undownloaded)))
6430 (when (gnus-data-unread-p (car data))
6431 (setq result (car data)
6433 (setq data (cdr data)))
6436 (goto-char (gnus-data-pos result))
6437 (gnus-data-number result)))))
6439 (defun gnus-summary-find-prev (&optional unread article)
6440 (let* ((eobp (eobp))
6441 (article (or article (gnus-summary-article-number)))
6442 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6444 (when (and (not eobp)
6445 (or (not gnus-summary-check-current)
6447 (not (gnus-data-unread-p (car data)))))
6448 (setq data (cdr data)))
6453 (unless (memq (gnus-data-number (car data))
6455 ((eq gnus-auto-goto-ignores
6456 'always-undownloaded)
6457 gnus-newsgroup-undownloaded)
6460 ((eq gnus-auto-goto-ignores
6462 gnus-newsgroup-unfetched)
6463 ((eq gnus-auto-goto-ignores
6465 gnus-newsgroup-undownloaded)))
6466 (when (gnus-data-unread-p (car data))
6467 (setq result (car data)
6469 (setq data (cdr data)))
6472 (goto-char (gnus-data-pos result))
6473 (gnus-data-number result))))
6475 (defun gnus-summary-find-subject (subject &optional unread backward article)
6476 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6477 (article (or article (gnus-summary-article-number)))
6478 (articles (gnus-data-list backward))
6479 (arts (gnus-data-find-list article articles))
6481 (when (or (not gnus-summary-check-current)
6483 (not (gnus-data-unread-p (car arts))))
6484 (setq arts (cdr arts)))
6486 (and (or (not unread)
6487 (gnus-data-unread-p (car arts)))
6488 (vectorp (gnus-data-header (car arts)))
6490 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6491 (setq result (car arts)
6493 (setq arts (cdr arts)))
6495 (goto-char (gnus-data-pos result))
6496 (gnus-data-number result))))
6498 (defun gnus-summary-search-forward (&optional unread subject backward)
6499 "Search forward for an article.
6500 If UNREAD, look for unread articles. If SUBJECT, look for
6501 articles with that subject. If BACKWARD, search backward instead."
6502 (cond (subject (gnus-summary-find-subject subject unread backward))
6503 (backward (gnus-summary-find-prev unread))
6504 (t (gnus-summary-find-next unread))))
6506 (defun gnus-recenter (&optional n)
6507 "Center point in window and redisplay frame.
6508 Also do horizontal recentering."
6510 (when (and gnus-auto-center-summary
6511 (not (eq gnus-auto-center-summary 'vertical)))
6512 (gnus-horizontal-recenter))
6515 (defun gnus-summary-recenter ()
6516 "Center point in the summary window.
6517 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6518 displayed, no centering will be performed."
6519 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6520 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6522 ;; The user has to want it.
6523 (when gnus-auto-center-summary
6524 (let* ((top (cond ((< (window-height) 4) 0)
6525 ((< (window-height) 7) 1)
6526 (t (if (numberp gnus-auto-center-summary)
6527 gnus-auto-center-summary
6528 (/ (1- (window-height)) 2)))))
6529 (height (1- (window-height)))
6530 (bottom (save-excursion (goto-char (point-max))
6531 (forward-line (- height))
6533 (window (get-buffer-window (current-buffer))))
6534 (when (get-buffer-window gnus-article-buffer)
6535 ;; Only do recentering when the article buffer is displayed,
6536 ;; Set the window start to either `bottom', which is the biggest
6537 ;; possible valid number, or the second line from the top,
6538 ;; whichever is the least.
6539 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6540 (if (> bottom top-pos)
6541 ;; Keep the second line from the top visible
6542 (set-window-start window top-pos t)
6543 ;; Try to keep the bottom line visible; if it's partially
6544 ;; obscured, either scroll one more line to make it fully
6545 ;; visible, or revert to using TOP-POS.
6547 (goto-char (point-max))
6549 (let ((last-line-start (point)))
6551 (set-window-start window (point) t)
6552 (when (not (pos-visible-in-window-p last-line-start window))
6554 (set-window-start window (min (point) top-pos) t)))))))
6555 ;; Do horizontal recentering while we're at it.
6556 (when (and (get-buffer-window (current-buffer) t)
6557 (not (eq gnus-auto-center-summary 'vertical)))
6558 (let ((selected (selected-window)))
6559 (select-window (get-buffer-window (current-buffer) t))
6560 (gnus-summary-position-point)
6561 (gnus-horizontal-recenter)
6562 (select-window selected))))))
6564 (defun gnus-summary-jump-to-group (newsgroup)
6565 "Move point to NEWSGROUP in group mode buffer."
6566 ;; Keep update point of group mode buffer if visible.
6567 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6568 (save-window-excursion
6569 ;; Take care of tree window mode.
6570 (when (get-buffer-window gnus-group-buffer)
6571 (pop-to-buffer gnus-group-buffer))
6572 (gnus-group-jump-to-group newsgroup))
6574 ;; Take care of tree window mode.
6575 (if (get-buffer-window gnus-group-buffer)
6576 (pop-to-buffer gnus-group-buffer)
6577 (set-buffer gnus-group-buffer))
6578 (gnus-group-jump-to-group newsgroup))))
6580 ;; This function returns a list of article numbers based on the
6581 ;; difference between the ranges of read articles in this group and
6582 ;; the range of active articles.
6583 (defun gnus-list-of-unread-articles (group)
6584 (let* ((read (gnus-info-read (gnus-get-info group)))
6585 (active (or (gnus-active group) (gnus-activate-group group)))
6586 (last (or (cdr active)
6587 (error "Group %s couldn't be activated " group)))
6589 ;; If none are read, then all are unread.
6591 (setq first (car active))
6592 ;; If the range of read articles is a single range, then the
6593 ;; first unread article is the article after the last read
6594 ;; article. Sounds logical, doesn't it?
6595 (if (and (not (listp (cdr read)))
6596 (or (< (car read) (car active))
6597 (progn (setq read (list read))
6599 (setq first (max (car active) (1+ (cdr read))))
6600 ;; `read' is a list of ranges.
6601 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6604 (setq first (car active)))
6607 (while (< first nlast)
6608 (setq unread (cons first unread)
6610 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6611 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6612 (setq read (cdr read)))))
6613 ;; And add the last unread articles.
6614 (while (<= first last)
6615 (setq unread (cons first unread)
6617 ;; Return the list of unread articles.
6618 (delq 0 (nreverse unread))))
6620 (defun gnus-list-of-read-articles (group)
6621 "Return a list of unread, unticked and non-dormant articles."
6622 (let* ((info (gnus-get-info group))
6623 (marked (gnus-info-marks info))
6624 (active (gnus-active group)))
6626 (gnus-list-range-difference
6627 (gnus-list-range-difference
6628 (gnus-sorted-complement
6629 (gnus-uncompress-range active)
6630 (gnus-list-of-unread-articles group))
6631 (cdr (assq 'dormant marked)))
6632 (cdr (assq 'tick marked))))))
6634 ;; This function returns a sequence of article numbers based on the
6635 ;; difference between the ranges of read articles in this group and
6636 ;; the range of active articles.
6637 (defun gnus-sequence-of-unread-articles (group)
6638 (let* ((read (gnus-info-read (gnus-get-info group)))
6639 (active (or (gnus-active group) (gnus-activate-group group)))
6642 ;; If none are read, then all are unread.
6644 (setq first (car active))
6645 ;; If the range of read articles is a single range, then the
6646 ;; first unread article is the article after the last read
6647 ;; article. Sounds logical, doesn't it?
6648 (if (and (not (listp (cdr read)))
6649 (or (< (car read) (car active))
6650 (progn (setq read (list read))
6652 (setq first (max (car active) (1+ (cdr read))))
6653 ;; `read' is a list of ranges.
6654 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6657 (setq first (car active)))
6660 (push (cons first nlast) unread))
6661 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6662 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6663 (setq read (cdr read)))))
6664 ;; And add the last unread articles.
6665 (cond ((not (and first last))
6668 (push (cons first last) unread))
6670 (push first unread)))
6671 ;; Return the sequence of unread articles.
6672 (delq 0 (nreverse unread))))
6674 ;; Various summary commands
6676 (defun gnus-summary-select-article-buffer ()
6677 "Reconfigure windows to show article buffer."
6679 (if (not (gnus-buffer-live-p gnus-article-buffer))
6680 (error "There is no article buffer for this summary buffer")
6681 (gnus-configure-windows 'article)
6682 (select-window (get-buffer-window gnus-article-buffer))))
6684 (defun gnus-summary-universal-argument (arg)
6685 "Perform any operation on all articles that are process/prefixed."
6687 (let ((articles (gnus-summary-work-articles arg))
6694 (substitute-command-keys
6695 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6697 (gnus-error 1 "Undefined key")
6700 (gnus-summary-goto-subject (setq article (pop articles)))
6701 (let (gnus-newsgroup-processable)
6702 (command-execute func))
6703 (gnus-summary-remove-process-mark article)))))
6704 (gnus-summary-position-point))
6706 (defun gnus-summary-toggle-truncation (&optional arg)
6707 "Toggle truncation of summary lines.
6708 With ARG, turn line truncation on if ARG is positive."
6710 (setq truncate-lines
6711 (if (null arg) (not truncate-lines)
6712 (> (prefix-numeric-value arg) 0)))
6715 (defun gnus-summary-find-for-reselect ()
6716 "Return the number of an article to stay on across a reselect.
6717 The current article is considered, then following articles, then previous
6718 articles. An article is sought which is not cancelled and isn't a temporary
6719 insertion from another group. If there's no such then return a dummy 0."
6721 (dolist (rev '(nil t))
6722 (unless found ; don't demand the reverse list if we don't need it
6723 (let ((data (gnus-data-find-list
6724 (gnus-summary-article-number) (gnus-data-list rev))))
6725 (while (and data (not found))
6726 (if (and (< 0 (gnus-data-number (car data)))
6727 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6728 (setq found (gnus-data-number (car data))))
6729 (setq data (cdr data))))))
6732 (defun gnus-summary-reselect-current-group (&optional all rescan)
6733 "Exit and then reselect the current newsgroup.
6734 The prefix argument ALL means to select all articles."
6736 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6737 (error "Ephemeral groups can't be reselected"))
6738 (let ((current-subject (gnus-summary-find-for-reselect))
6739 (group gnus-newsgroup-name))
6740 (setq gnus-newsgroup-begin nil)
6741 (gnus-summary-exit nil 'leave-hidden)
6742 ;; We have to adjust the point of group mode buffer because
6743 ;; point was moved to the next unread newsgroup by exiting.
6744 (gnus-summary-jump-to-group group)
6747 (gnus-group-get-new-news-this-group 1)))
6748 (gnus-group-read-group all t)
6749 (gnus-summary-goto-subject current-subject nil t)))
6751 (defun gnus-summary-rescan-group (&optional all)
6752 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6754 (gnus-summary-reselect-current-group all t))
6756 (defun gnus-summary-update-info (&optional non-destructive)
6758 (let ((group gnus-newsgroup-name))
6760 (when gnus-newsgroup-kill-headers
6761 (setq gnus-newsgroup-killed
6762 (gnus-compress-sequence
6764 (gnus-list-range-intersection
6765 gnus-newsgroup-unselected gnus-newsgroup-killed)
6766 gnus-newsgroup-unreads)
6768 (unless (listp (cdr gnus-newsgroup-killed))
6769 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6770 (let ((headers gnus-newsgroup-headers))
6771 ;; Set the new ranges of read articles.
6772 (with-current-buffer gnus-group-buffer
6773 (gnus-undo-force-boundary))
6774 (gnus-update-read-articles
6775 group (gnus-sorted-union
6776 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6777 ;; Set the current article marks.
6778 (let ((gnus-newsgroup-scored
6779 (if (and (not gnus-save-score)
6780 (not non-destructive))
6782 gnus-newsgroup-scored)))
6784 (gnus-update-marks)))
6785 ;; Do the cross-ref thing.
6786 (when gnus-use-cross-reference
6787 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6788 ;; Do not switch windows but change the buffer to work.
6789 (set-buffer gnus-group-buffer)
6790 (unless (gnus-ephemeral-group-p group)
6791 (gnus-group-update-group group)))))))
6793 (defun gnus-summary-save-newsrc (&optional force)
6794 "Save the current number of read/marked articles in the dribble buffer.
6795 The dribble buffer will then be saved.
6796 If FORCE (the prefix), also save the .newsrc file(s)."
6798 (gnus-summary-update-info t)
6800 (gnus-save-newsrc-file)
6801 (gnus-dribble-save)))
6803 (defun gnus-summary-exit (&optional temporary leave-hidden)
6804 "Exit reading current newsgroup, and then return to group selection mode.
6805 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6807 (gnus-set-global-variables)
6808 (when (gnus-buffer-live-p gnus-article-buffer)
6810 (set-buffer gnus-article-buffer)
6811 (mm-destroy-parts gnus-article-mime-handles)
6812 ;; Set it to nil for safety reason.
6813 (setq gnus-article-mime-handle-alist nil)
6814 (setq gnus-article-mime-handles nil)))
6815 (gnus-kill-save-kill-buffer)
6816 (gnus-async-halt-prefetch)
6817 (let* ((group gnus-newsgroup-name)
6818 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6819 (gnus-group-is-exiting-p t)
6822 (buf (current-buffer)))
6824 ;; Do adaptive scoring, and possibly save score files.
6825 (when gnus-newsgroup-adaptive
6826 (gnus-score-adaptive))
6827 (when gnus-use-scoring
6829 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6830 ;; If we have several article buffers, we kill them at exit.
6831 (unless gnus-single-article-buffer
6832 (gnus-kill-buffer gnus-original-article-buffer)
6833 (setq gnus-article-current nil))
6834 (when gnus-use-cache
6835 (gnus-cache-possibly-remove-articles)
6836 (gnus-cache-save-buffers))
6837 (gnus-async-prefetch-remove-group group)
6838 (when gnus-suppress-duplicates
6839 (gnus-dup-enter-articles))
6840 (when gnus-use-trees
6841 (gnus-tree-close group))
6842 (when gnus-use-cache
6843 (gnus-cache-write-active))
6844 ;; Remove entries for this group.
6845 (nnmail-purge-split-history (gnus-group-real-name group))
6846 ;; Make all changes in this group permanent.
6848 (gnus-run-hooks 'gnus-exit-group-hook)
6849 (gnus-summary-update-info))
6850 (gnus-close-group group)
6851 ;; Make sure where we were, and go to next newsgroup.
6852 (set-buffer gnus-group-buffer)
6854 (gnus-group-jump-to-group group))
6855 (gnus-run-hooks 'gnus-summary-exit-hook)
6856 (unless (or quit-config
6857 ;; If this group has disappeared from the summary
6858 ;; buffer, don't skip forwards.
6859 (not (string= group (gnus-group-group-name))))
6860 (gnus-group-next-unread-group 1))
6861 (setq group-point (point))
6864 ;; If we have several article buffers, we kill them at exit.
6865 (unless gnus-single-article-buffer
6866 (gnus-kill-buffer gnus-article-buffer)
6867 (gnus-kill-buffer gnus-original-article-buffer)
6868 (setq gnus-article-current nil))
6870 (if (not gnus-kill-summary-on-exit)
6872 (gnus-deaden-summary)
6874 ;; We set all buffer-local variables to nil. It is unclear why
6875 ;; this is needed, but if we don't, buffer-local variables are
6876 ;; not garbage-collected, it seems. This would the lead to en
6877 ;; ever-growing Emacs.
6878 (gnus-summary-clear-local-variables)
6879 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6880 (gnus-summary-clear-local-variables))
6881 (when (get-buffer gnus-article-buffer)
6882 (bury-buffer gnus-article-buffer))
6883 ;; Return to group mode buffer.
6884 (when (eq mode 'gnus-summary-mode)
6885 (gnus-kill-buffer buf)))
6886 (setq gnus-current-select-method gnus-select-method)
6887 (set-buffer gnus-group-buffer)
6889 (gnus-handle-ephemeral-exit quit-config)
6890 (goto-char group-point)
6891 ;; If gnus-group-buffer is already displayed, make sure we also move
6892 ;; the cursor in the window that displays it.
6893 (let ((win (get-buffer-window (current-buffer) 0)))
6894 (if win (set-window-point win (point))))
6895 (unless leave-hidden
6896 (gnus-configure-windows 'group 'force)))
6897 ;; Clear the current group name.
6899 (setq gnus-newsgroup-name nil)))))
6901 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6902 (defun gnus-summary-exit-no-update (&optional no-questions)
6903 "Quit reading current newsgroup without updating read article info."
6905 (let* ((group gnus-newsgroup-name)
6906 (gnus-group-is-exiting-p t)
6907 (gnus-group-is-exiting-without-update-p t)
6908 (quit-config (gnus-group-quit-config group)))
6909 (when (or no-questions
6911 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6912 (gnus-async-halt-prefetch)
6913 (run-hooks 'gnus-summary-prepare-exit-hook)
6914 (when (gnus-buffer-live-p gnus-article-buffer)
6916 (set-buffer gnus-article-buffer)
6917 (mm-destroy-parts gnus-article-mime-handles)
6918 ;; Set it to nil for safety reason.
6919 (setq gnus-article-mime-handle-alist nil)
6920 (setq gnus-article-mime-handles nil)))
6921 ;; If we have several article buffers, we kill them at exit.
6922 (unless gnus-single-article-buffer
6923 (gnus-kill-buffer gnus-article-buffer)
6924 (gnus-kill-buffer gnus-original-article-buffer)
6925 (setq gnus-article-current nil))
6926 (if (not gnus-kill-summary-on-exit)
6927 (gnus-deaden-summary)
6928 (gnus-close-group group)
6929 (gnus-summary-clear-local-variables)
6930 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6931 (gnus-summary-clear-local-variables))
6932 (gnus-kill-buffer gnus-summary-buffer))
6933 (unless gnus-single-article-buffer
6934 (setq gnus-article-current nil))
6935 (when gnus-use-trees
6936 (gnus-tree-close group))
6937 (gnus-async-prefetch-remove-group group)
6938 (when (get-buffer gnus-article-buffer)
6939 (bury-buffer gnus-article-buffer))
6940 ;; Return to the group buffer.
6941 (gnus-configure-windows 'group 'force)
6942 ;; Clear the current group name.
6943 (setq gnus-newsgroup-name nil)
6944 (unless (gnus-ephemeral-group-p group)
6945 (gnus-group-update-group group))
6946 (when (equal (gnus-group-group-name) group)
6947 (gnus-group-next-unread-group 1))
6949 (gnus-handle-ephemeral-exit quit-config)))))
6951 (defun gnus-handle-ephemeral-exit (quit-config)
6952 "Handle movement when leaving an ephemeral group.
6953 The state which existed when entering the ephemeral is reset."
6954 (if (not (buffer-name (car quit-config)))
6955 (gnus-configure-windows 'group 'force)
6956 (set-buffer (car quit-config))
6957 (cond ((eq major-mode 'gnus-summary-mode)
6958 (gnus-set-global-variables))
6959 ((eq major-mode 'gnus-article-mode)
6961 ;; The `gnus-summary-buffer' variable may point
6962 ;; to the old summary buffer when using a single
6964 (unless (gnus-buffer-live-p gnus-summary-buffer)
6965 (set-buffer gnus-group-buffer))
6966 (set-buffer gnus-summary-buffer)
6967 (gnus-set-global-variables))))
6968 (if (or (eq (cdr quit-config) 'article)
6969 (eq (cdr quit-config) 'pick))
6971 ;; The current article may be from the ephemeral group
6972 ;; thus it is best that we reload this article
6974 ;; If we're exiting from a large digest, this can be
6975 ;; extremely slow. So, it's better not to reload it. -- jh.
6976 ;;(gnus-summary-show-article)
6977 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6978 (gnus-configure-windows 'pick 'force)
6979 (gnus-configure-windows (cdr quit-config) 'force)))
6980 (gnus-configure-windows (cdr quit-config) 'force))
6981 (when (eq major-mode 'gnus-summary-mode)
6982 (gnus-summary-next-subject 1 nil t)
6983 (gnus-summary-recenter)
6984 (gnus-summary-position-point))))
6988 (defvar gnus-dead-summary-mode-map nil)
6990 (unless gnus-dead-summary-mode-map
6991 (setq gnus-dead-summary-mode-map (make-keymap))
6992 (suppress-keymap gnus-dead-summary-mode-map)
6993 (substitute-key-definition
6994 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6995 (dolist (key '("\C-d" "\r" "\177" [delete]))
6996 (define-key gnus-dead-summary-mode-map
6997 key 'gnus-summary-wake-up-the-dead))
6998 (dolist (key '("q" "Q"))
6999 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
7001 (defvar gnus-dead-summary-mode nil
7002 "Minor mode for Gnus summary buffers.")
7004 (defun gnus-dead-summary-mode (&optional arg)
7005 "Minor mode for Gnus summary buffers."
7007 (when (eq major-mode 'gnus-summary-mode)
7008 (make-local-variable 'gnus-dead-summary-mode)
7009 (setq gnus-dead-summary-mode
7010 (if (null arg) (not gnus-dead-summary-mode)
7011 (> (prefix-numeric-value arg) 0)))
7012 (when gnus-dead-summary-mode
7014 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
7016 (defun gnus-deaden-summary ()
7017 "Make the current summary buffer into a dead summary buffer."
7018 ;; Kill any previous dead summary buffer.
7019 (when (and gnus-dead-summary
7020 (buffer-name gnus-dead-summary))
7021 (with-current-buffer gnus-dead-summary
7022 (when gnus-dead-summary-mode
7023 (kill-buffer (current-buffer)))))
7024 ;; Make this the current dead summary.
7025 (setq gnus-dead-summary (current-buffer))
7026 (gnus-dead-summary-mode 1)
7027 (let ((name (buffer-name)))
7028 (when (string-match "Summary" name)
7030 (concat (substring name 0 (match-beginning 0)) "Dead "
7031 (substring name (match-beginning 0)))
7035 (defun gnus-kill-or-deaden-summary (buffer)
7036 "Kill or deaden the summary BUFFER."
7038 (when (and (buffer-name buffer)
7039 (not gnus-single-article-buffer))
7040 (with-current-buffer buffer
7041 (gnus-kill-buffer gnus-article-buffer)
7042 (gnus-kill-buffer gnus-original-article-buffer)))
7045 (gnus-kill-summary-on-exit
7046 (when (and gnus-use-trees
7047 (gnus-buffer-exists-p buffer))
7050 (gnus-tree-close gnus-newsgroup-name)))
7051 (gnus-kill-buffer buffer))
7052 ;; Deaden the buffer.
7053 ((gnus-buffer-exists-p buffer)
7056 (gnus-deaden-summary))))))
7058 (defun gnus-summary-wake-up-the-dead (&rest args)
7059 "Wake up the dead summary buffer."
7061 (gnus-dead-summary-mode -1)
7062 (let ((name (buffer-name)))
7063 (when (string-match "Dead " name)
7065 (concat (substring name 0 (match-beginning 0))
7066 (substring name (match-end 0)))
7068 (gnus-message 3 "This dead summary is now alive again"))
7070 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7071 (defun gnus-summary-fetch-faq (&optional faq-dir)
7072 "Fetch the FAQ for the current group.
7073 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7077 (when current-prefix-arg
7079 "FAQ dir: " (and (listp gnus-group-faq-directory)
7081 gnus-group-faq-directory))))))
7082 (let (gnus-faq-buffer)
7083 (when (setq gnus-faq-buffer
7084 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7085 (gnus-configure-windows 'summary-faq))))
7087 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7088 (defun gnus-summary-describe-group (&optional force)
7089 "Describe the current newsgroup."
7091 (gnus-group-describe-group force gnus-newsgroup-name))
7093 (defun gnus-summary-describe-briefly ()
7094 "Describe summary mode commands briefly."
7096 (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")))
7098 ;; Walking around group mode buffer from summary mode.
7100 (defun gnus-summary-next-group (&optional no-article target-group backward)
7101 "Exit current newsgroup and then select next unread newsgroup.
7102 If prefix argument NO-ARTICLE is non-nil, no article is selected
7103 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7104 previous group instead."
7106 ;; Stop pre-fetching.
7107 (gnus-async-halt-prefetch)
7108 (let ((current-group gnus-newsgroup-name)
7109 (current-buffer (current-buffer))
7111 ;; First we semi-exit this group to update Xrefs and all variables.
7112 ;; We can't do a real exit, because the window conf must remain
7113 ;; the same in case the user is prompted for info, and we don't
7114 ;; want the window conf to change before that...
7115 (gnus-summary-exit t)
7116 (while (not entered)
7117 ;; Then we find what group we are supposed to enter.
7118 (set-buffer gnus-group-buffer)
7119 (gnus-group-jump-to-group current-group)
7122 (if (eq gnus-keep-same-level 'best)
7123 (gnus-summary-best-group gnus-newsgroup-name)
7124 (gnus-summary-search-group backward gnus-keep-same-level))))
7125 (if (not target-group)
7126 ;; There are no further groups, so we return to the group
7129 (gnus-message 5 "Returning to the group buffer")
7131 (when (gnus-buffer-live-p current-buffer)
7132 (set-buffer current-buffer)
7133 (gnus-summary-exit))
7134 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7135 ;; We try to enter the target group.
7136 (gnus-group-jump-to-group target-group)
7137 (let ((unreads (gnus-group-group-unread)))
7138 (if (and (or (eq t unreads)
7139 (and unreads (not (zerop unreads))))
7140 (gnus-summary-read-group
7141 target-group nil no-article
7142 (and (buffer-name current-buffer) current-buffer)
7145 (setq current-group target-group
7146 target-group nil)))))))
7148 (defun gnus-summary-prev-group (&optional no-article)
7149 "Exit current newsgroup and then select previous unread newsgroup.
7150 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7152 (gnus-summary-next-group no-article nil t))
7154 ;; Walking around summary lines.
7156 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7157 "Go to the first subject satisfying any non-nil constraint.
7158 If UNREAD is non-nil, the article should be unread.
7159 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7160 If UNSEEN is non-nil, the article should be unseen.
7161 Returns the article selected or nil if there are no matching articles."
7165 ((null gnus-newsgroup-data)
7166 (gnus-message 3 "No articles in the group")
7168 ;; Pick the first article.
7169 ((not (or unread undownloaded unseen))
7170 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7171 (gnus-data-number (car gnus-newsgroup-data)))
7172 ;; Find the first unread article.
7174 (let ((data gnus-newsgroup-data))
7176 (let ((num (gnus-data-number (car data))))
7177 (or (memq num gnus-newsgroup-unfetched)
7178 (not (or (and unread
7179 (memq num gnus-newsgroup-unreads))
7181 (memq num gnus-newsgroup-undownloaded))
7183 (memq num gnus-newsgroup-unseen)))))))
7184 (setq data (cdr data)))
7188 (goto-char (gnus-data-pos (car data)))
7189 (gnus-data-number (car data)))
7190 (gnus-message 3 "No more%s articles"
7191 (let* ((r (when unread " unread"))
7192 (d (when undownloaded " undownloaded"))
7193 (s (when unseen " unseen"))
7194 (l (delq nil (list r d s))))
7195 (cond ((= 3 (length l))
7196 (concat r "," d ", or" s))
7198 (concat (car l) ", or" (cadr l)))
7205 (gnus-summary-position-point))))))
7207 (defun gnus-summary-next-subject (n &optional unread dont-display)
7208 "Go to next N'th summary line.
7209 If N is negative, go to the previous N'th subject line.
7210 If UNREAD is non-nil, only unread articles are selected.
7211 The difference between N and the actual number of steps taken is
7214 (let ((backward (< n 0))
7218 (gnus-summary-find-prev unread)
7219 (gnus-summary-find-next unread)))
7220 (unless (zerop (setq n (1- n)))
7221 (gnus-summary-show-thread)))
7223 (gnus-message 7 "No more%s articles"
7224 (if unread " unread" "")))
7225 (unless dont-display
7226 (gnus-summary-recenter)
7227 (gnus-summary-position-point))
7230 (defun gnus-summary-next-unread-subject (n)
7231 "Go to next N'th unread summary line."
7233 (gnus-summary-next-subject n t))
7235 (defun gnus-summary-prev-subject (n &optional unread)
7236 "Go to previous N'th summary line.
7237 If optional argument UNREAD is non-nil, only unread article is selected."
7239 (gnus-summary-next-subject (- n) unread))
7241 (defun gnus-summary-prev-unread-subject (n)
7242 "Go to previous N'th unread summary line."
7244 (gnus-summary-next-subject (- n) t))
7246 (defun gnus-summary-goto-subjects (articles)
7247 "Insert the subject header for ARTICLES in the current buffer."
7249 (dolist (article articles)
7250 (gnus-summary-goto-subject article t)))
7251 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7252 (gnus-summary-position-point))
7254 (defun gnus-summary-goto-subject (article &optional force silent)
7255 "Go the subject line of ARTICLE.
7256 If FORCE, also allow jumping to articles not currently shown."
7257 (interactive "nArticle number: ")
7258 (unless (numberp article)
7259 (error "Article %s is not a number" article))
7261 (data (gnus-data-find article)))
7262 ;; We read in the article if we have to.
7265 (gnus-summary-insert-subject
7267 (if (or (numberp force) (vectorp force)) force)
7269 (setq data (gnus-data-find article)))
7274 (gnus-message 3 "Can't find article %d" article))
7276 (let ((pt (gnus-data-pos data)))
7278 (gnus-summary-set-article-display-arrow pt))
7279 (gnus-summary-position-point)
7282 ;; Walking around summary lines with displaying articles.
7284 (defun gnus-summary-expand-window (&optional arg)
7285 "Make the summary buffer take up the entire Emacs frame.
7286 Given a prefix, will force an `article' buffer configuration."
7289 (gnus-configure-windows 'article 'force)
7290 (gnus-configure-windows 'summary 'force)))
7292 (defun gnus-summary-display-article (article &optional all-header)
7293 "Display ARTICLE in article buffer."
7294 (when (gnus-buffer-live-p gnus-article-buffer)
7295 (with-current-buffer gnus-article-buffer
7296 (mm-enable-multibyte)))
7297 (gnus-set-global-variables)
7298 (when (gnus-buffer-live-p gnus-article-buffer)
7299 (with-current-buffer gnus-article-buffer
7300 (setq gnus-article-charset gnus-newsgroup-charset)
7301 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7302 (mm-enable-multibyte)))
7306 (if gnus-summary-display-article-function
7307 (funcall gnus-summary-display-article-function article all-header)
7308 (gnus-article-prepare article all-header))
7309 (gnus-run-hooks 'gnus-select-article-hook)
7310 (when (and gnus-current-article
7311 (not (zerop gnus-current-article)))
7312 (gnus-summary-goto-subject gnus-current-article))
7313 (gnus-summary-recenter)
7314 (when (and gnus-use-trees gnus-show-threads)
7315 (gnus-possibly-generate-tree article)
7316 (gnus-highlight-selected-tree article))
7317 ;; Successfully display article.
7318 (gnus-article-set-window-start
7319 (cdr (assq article gnus-newsgroup-bookmarks))))))
7321 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7322 "Select the current article.
7323 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7324 non-nil, the article will be re-fetched even if it already present in
7325 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7327 ;; Make sure we are in the summary buffer to work around bbdb bug.
7328 (unless (eq major-mode 'gnus-summary-mode)
7329 (set-buffer gnus-summary-buffer))
7330 (let ((article (or article (gnus-summary-article-number)))
7331 (all-headers (not (not all-headers))) ;Must be t or nil.
7332 gnus-summary-display-article-function)
7334 (gnus-summary-article-pseudo-p article)
7335 (error "This is a pseudo-article"))
7337 (set-buffer gnus-summary-buffer)
7338 (if (or (and gnus-single-article-buffer
7339 (or (null gnus-current-article)
7340 (null gnus-article-current)
7341 (null (get-buffer gnus-article-buffer))
7342 (not (eq article (cdr gnus-article-current)))
7343 (not (equal (car gnus-article-current)
7344 gnus-newsgroup-name))))
7345 (and (not gnus-single-article-buffer)
7346 (or (null gnus-current-article)
7347 (not (eq gnus-current-article article))))
7349 ;; The requested article is different from the current article.
7351 (gnus-summary-display-article article all-headers)
7352 (when (gnus-buffer-live-p gnus-article-buffer)
7353 (with-current-buffer gnus-article-buffer
7354 (if (not gnus-article-decoded-p) ;; a local variable
7355 (mm-disable-multibyte))))
7356 (gnus-article-set-window-start
7357 (cdr (assq article gnus-newsgroup-bookmarks)))
7361 (defun gnus-summary-force-verify-and-decrypt ()
7362 "Display buttons for signed/encrypted parts and verify/decrypt them."
7364 (let ((mm-verify-option 'known)
7365 (mm-decrypt-option 'known)
7366 (gnus-article-emulate-mime t)
7367 (gnus-buttonized-mime-types (append (list "multipart/signed"
7368 "multipart/encrypted")
7369 gnus-buttonized-mime-types)))
7370 (gnus-summary-select-article nil 'force)))
7372 (defun gnus-summary-set-current-mark (&optional current-mark)
7373 "Obsolete function."
7376 (defun gnus-summary-next-article (&optional unread subject backward push)
7377 "Select the next article.
7378 If UNREAD, only unread articles are selected.
7379 If SUBJECT, only articles with SUBJECT are selected.
7380 If BACKWARD, the previous article is selected instead of the next."
7383 ;; Is there such an article?
7384 ((and (gnus-summary-search-forward unread subject backward)
7385 (or (gnus-summary-display-article (gnus-summary-article-number))
7386 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7387 (gnus-summary-position-point))
7388 ;; If not, we try the first unread, if that is wanted.
7390 gnus-auto-select-same
7391 (gnus-summary-first-unread-article))
7392 (gnus-summary-position-point)
7393 (gnus-message 6 "Wrapped"))
7394 ;; Try to get next/previous article not displayed in this group.
7395 ((and gnus-auto-extend-newsgroup
7396 (not unread) (not subject))
7397 (gnus-summary-goto-article
7398 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7399 nil (count-lines (point-min) (point))))
7400 ;; Go to next/previous group.
7402 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7403 (gnus-summary-jump-to-group gnus-newsgroup-name))
7404 (let ((cmd last-command-char)
7406 (with-current-buffer gnus-group-buffer
7409 (if (eq gnus-keep-same-level 'best)
7410 (gnus-summary-best-group gnus-newsgroup-name)
7411 (gnus-summary-search-group backward gnus-keep-same-level))))
7412 ;; For some reason, the group window gets selected. We change
7414 (select-window (get-buffer-window (current-buffer)))
7415 ;; Select next unread newsgroup automagically.
7417 ((or (not gnus-auto-select-next)
7419 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7420 ((or (eq gnus-auto-select-next 'quietly)
7421 (and (eq gnus-auto-select-next 'slightly-quietly)
7423 (and (eq gnus-auto-select-next 'almost-quietly)
7424 (gnus-summary-last-article-p)))
7426 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7428 (gnus-message 7 "No more%s articles (%s)..."
7429 (if unread " unread" "")
7430 (if group (concat "selecting " group)
7432 (gnus-summary-next-group nil group backward)))
7434 (when (gnus-key-press-event-p last-input-event)
7435 (gnus-summary-walk-group-buffer
7436 gnus-newsgroup-name cmd unread backward point))))))))
7438 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7439 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7440 (?\C-p (gnus-group-prev-unread-group 1))))
7441 (cursor-in-echo-area t)
7442 keve key group ended prompt)
7444 (set-buffer gnus-group-buffer)
7447 (if (eq gnus-keep-same-level 'best)
7448 (gnus-summary-best-group gnus-newsgroup-name)
7449 (gnus-summary-search-group backward gnus-keep-same-level))))
7453 "No more%s articles%s " (if unread " unread" "")
7455 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7456 (format " (Type %s for %s [%s])"
7457 (single-key-description cmd)
7458 (gnus-group-decoded-name group)
7459 (gnus-group-unread group))
7460 (format " (Type %s to exit %s)"
7461 (single-key-description cmd)
7462 (gnus-group-decoded-name gnus-newsgroup-name)))))
7463 ;; Confirm auto selection.
7464 (setq key (car (setq keve (gnus-read-event-char prompt)))
7467 ((assq key keystrokes)
7468 (let ((obuf (current-buffer)))
7469 (switch-to-buffer gnus-group-buffer)
7471 (gnus-group-jump-to-group group))
7472 (eval (cadr (assq key keystrokes)))
7473 (setq group (gnus-group-group-name))
7474 (switch-to-buffer obuf))
7478 (gnus-ephemeral-group-p gnus-newsgroup-name))
7480 (gnus-summary-next-group nil group backward)))
7482 (push (cdr keve) unread-command-events))))))
7484 (defun gnus-summary-next-unread-article ()
7485 "Select unread article after current one."
7487 (gnus-summary-next-article
7488 (or (not (eq gnus-summary-goto-unread 'never))
7489 (gnus-summary-last-article-p (gnus-summary-article-number)))
7490 (and gnus-auto-select-same
7491 (gnus-summary-article-subject))))
7493 (defun gnus-summary-prev-article (&optional unread subject)
7494 "Select the article after the current one.
7495 If UNREAD is non-nil, only unread articles are selected."
7497 (gnus-summary-next-article unread subject t))
7499 (defun gnus-summary-prev-unread-article ()
7500 "Select unread article before current one."
7502 (gnus-summary-prev-article
7503 (or (not (eq gnus-summary-goto-unread 'never))
7504 (gnus-summary-first-article-p (gnus-summary-article-number)))
7505 (and gnus-auto-select-same
7506 (gnus-summary-article-subject))))
7508 (defun gnus-summary-next-page (&optional lines circular stop)
7509 "Show next page of the selected article.
7510 If at the end of the current article, select the next article.
7511 LINES says how many lines should be scrolled up.
7513 If CIRCULAR is non-nil, go to the start of the article instead of
7514 selecting the next article when reaching the end of the current
7517 If STOP is non-nil, just stop when reaching the end of the message.
7519 Also see the variable `gnus-article-skip-boring'."
7521 (setq gnus-summary-buffer (current-buffer))
7522 (gnus-set-global-variables)
7523 (let ((article (gnus-summary-article-number))
7524 (article-window (get-buffer-window gnus-article-buffer t))
7526 ;; If the buffer is empty, we have no article.
7528 (error "No article to select"))
7529 (gnus-configure-windows 'article)
7530 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7531 (if (and (eq gnus-summary-goto-unread 'never)
7532 (not (gnus-summary-last-article-p article)))
7533 (gnus-summary-next-article)
7534 (gnus-summary-next-unread-article))
7535 (if (or (null gnus-current-article)
7536 (null gnus-article-current)
7537 (/= article (cdr gnus-article-current))
7538 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7539 ;; Selected subject is different from current article's.
7540 (gnus-summary-display-article article)
7541 (when article-window
7542 (gnus-eval-in-buffer-window gnus-article-buffer
7543 (setq endp (or (gnus-article-next-page lines)
7544 (gnus-article-only-boring-p))))
7547 (gnus-message 3 "End of message"))
7549 (gnus-summary-beginning-of-article))
7551 (gnus-message 3 "End of message"))
7553 (if (and (eq gnus-summary-goto-unread 'never)
7554 (not (gnus-summary-last-article-p article)))
7555 (gnus-summary-next-article)
7556 (gnus-summary-next-unread-article))))))))
7557 (gnus-summary-recenter)
7558 (gnus-summary-position-point)))
7560 (defun gnus-summary-prev-page (&optional lines move)
7561 "Show previous page of selected article.
7562 Argument LINES specifies lines to be scrolled down.
7563 If MOVE, move to the previous unread article if point is at
7564 the beginning of the buffer."
7566 (let ((article (gnus-summary-article-number))
7567 (article-window (get-buffer-window gnus-article-buffer t))
7569 (gnus-configure-windows 'article)
7570 (if (or (null gnus-current-article)
7571 (null gnus-article-current)
7572 (/= article (cdr gnus-article-current))
7573 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7574 ;; Selected subject is different from current article's.
7575 (gnus-summary-display-article article)
7576 (gnus-summary-recenter)
7577 (when article-window
7578 (gnus-eval-in-buffer-window gnus-article-buffer
7579 (setq endp (gnus-article-prev-page lines)))
7580 (when (and move endp)
7582 (gnus-message 3 "Beginning of message"))
7584 (if (and (eq gnus-summary-goto-unread 'never)
7585 (not (gnus-summary-first-article-p article)))
7586 (gnus-summary-prev-article)
7587 (gnus-summary-prev-unread-article))))))))
7588 (gnus-summary-position-point))
7590 (defun gnus-summary-prev-page-or-article (&optional lines)
7591 "Show previous page of selected article.
7592 Argument LINES specifies lines to be scrolled down.
7593 If at the beginning of the article, go to the next article."
7595 (gnus-summary-prev-page lines t))
7597 (defun gnus-summary-scroll-up (lines)
7598 "Scroll up (or down) one line current article.
7599 Argument LINES specifies lines to be scrolled up (or down if negative)."
7601 (gnus-configure-windows 'article)
7602 (gnus-summary-show-thread)
7603 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7604 (gnus-eval-in-buffer-window gnus-article-buffer
7606 (when (gnus-article-next-page lines)
7607 (gnus-message 3 "End of message")))
7609 (gnus-article-prev-page (- lines))))))
7610 (gnus-summary-recenter)
7611 (gnus-summary-position-point))
7613 (defun gnus-summary-scroll-down (lines)
7614 "Scroll down (or up) one line current article.
7615 Argument LINES specifies lines to be scrolled down (or up if negative)."
7617 (gnus-summary-scroll-up (- lines)))
7619 (defun gnus-summary-next-same-subject ()
7620 "Select next article which has the same subject as current one."
7622 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7624 (defun gnus-summary-prev-same-subject ()
7625 "Select previous article which has the same subject as current one."
7627 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7629 (defun gnus-summary-next-unread-same-subject ()
7630 "Select next unread article which has the same subject as current one."
7632 (gnus-summary-next-article t (gnus-summary-article-subject)))
7634 (defun gnus-summary-prev-unread-same-subject ()
7635 "Select previous unread article which has the same subject as current one."
7637 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7639 (defun gnus-summary-first-unread-article ()
7640 "Select the first unread article.
7641 Return nil if there are no unread articles."
7644 (when (gnus-summary-first-subject t)
7645 (gnus-summary-show-thread)
7646 (gnus-summary-first-subject t)
7647 (gnus-summary-display-article (gnus-summary-article-number)))
7648 (gnus-summary-position-point)))
7650 (defun gnus-summary-first-unread-subject ()
7651 "Place the point on the subject line of the first unread article.
7652 Return nil if there are no unread articles."
7655 (when (gnus-summary-first-subject t)
7656 (gnus-summary-show-thread)
7657 (gnus-summary-first-subject t))
7658 (gnus-summary-position-point)))
7660 (defun gnus-summary-first-unseen-subject ()
7661 "Place the point on the subject line of the first unseen article.
7662 Return nil if there are no unseen articles."
7665 (when (gnus-summary-first-subject nil nil t)
7666 (gnus-summary-show-thread)
7667 (gnus-summary-first-subject nil nil t))
7668 (gnus-summary-position-point)))
7670 (defun gnus-summary-first-unseen-or-unread-subject ()
7671 "Place the point on the subject line of the first unseen article or,
7672 if all article have been seen, on the subject line of the first unread
7676 (unless (when (gnus-summary-first-subject nil nil t)
7677 (gnus-summary-show-thread)
7678 (gnus-summary-first-subject nil nil t))
7679 (when (gnus-summary-first-subject t)
7680 (gnus-summary-show-thread)
7681 (gnus-summary-first-subject t)))
7682 (gnus-summary-position-point)))
7684 (defun gnus-summary-first-article ()
7685 "Select the first article.
7686 Return nil if there are no articles."
7689 (when (gnus-summary-first-subject)
7690 (gnus-summary-show-thread)
7691 (gnus-summary-first-subject)
7692 (gnus-summary-display-article (gnus-summary-article-number)))
7693 (gnus-summary-position-point)))
7695 (defun gnus-summary-best-unread-article (&optional arg)
7696 "Select the unread article with the highest score.
7697 If given a prefix argument, select the next unread article that has a
7698 score higher than the default score."
7700 (let ((article (if arg
7701 (gnus-summary-better-unread-subject)
7702 (gnus-summary-best-unread-subject))))
7704 (gnus-summary-goto-article article)
7705 (error "No unread articles"))))
7707 (defun gnus-summary-best-unread-subject ()
7708 "Select the unread subject with the highest score."
7710 (let ((best -1000000)
7711 (data gnus-newsgroup-data)
7714 (and (gnus-data-unread-p (car data))
7716 (gnus-summary-article-score (gnus-data-number (car data))))
7719 article (gnus-data-number (car data))))
7720 (setq data (cdr data)))
7722 (gnus-summary-goto-subject article))
7723 (gnus-summary-position-point)
7726 (defun gnus-summary-better-unread-subject ()
7727 "Select the first unread subject that has a score over the default score."
7729 (let ((data gnus-newsgroup-data)
7731 (while (and (setq article (gnus-data-number (car data)))
7732 (or (gnus-data-read-p (car data))
7733 (not (> (gnus-summary-article-score article)
7734 gnus-summary-default-score))))
7735 (setq data (cdr data)))
7737 (gnus-summary-goto-subject article))
7738 (gnus-summary-position-point)
7741 (defun gnus-summary-last-subject ()
7742 "Go to the last displayed subject line in the group."
7743 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7745 (gnus-summary-goto-subject article))))
7747 (defun gnus-summary-goto-article (article &optional all-headers force)
7748 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7749 If ALL-HEADERS is non-nil, no header lines are hidden.
7750 If FORCE, go to the article even if it isn't displayed. If FORCE
7751 is a number, it is the line the article is to be displayed on."
7755 "Article number or Message-ID: "
7756 (mapcar (lambda (number) (list (int-to-string number)))
7757 gnus-newsgroup-limit))
7761 (if (and (stringp article)
7762 (string-match "@\\|%40" article))
7763 (gnus-summary-refer-article article)
7764 (when (stringp article)
7765 (setq article (string-to-number article)))
7766 (if (gnus-summary-goto-subject article force)
7767 (gnus-summary-display-article article all-headers)
7768 (gnus-message 4 "Couldn't go to article %s" article) nil))
7769 (gnus-summary-position-point)))
7771 (defun gnus-summary-goto-last-article ()
7772 "Go to the previously read article."
7775 (when gnus-last-article
7776 (gnus-summary-goto-article gnus-last-article nil t))
7777 (gnus-summary-position-point)))
7779 (defun gnus-summary-pop-article (number)
7780 "Pop one article off the history and go to the previous.
7781 NUMBER articles will be popped off."
7784 (setq gnus-newsgroup-history
7785 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7787 (gnus-summary-goto-article (car to) nil t)
7788 (error "Article history empty")))
7789 (gnus-summary-position-point))
7791 ;; Summary commands and functions for limiting the summary buffer.
7793 (defun gnus-summary-limit-to-articles (n)
7794 "Limit the summary buffer to the next N articles.
7795 If not given a prefix, use the process marked articles instead."
7798 (let ((articles (gnus-summary-work-articles n)))
7799 (setq gnus-newsgroup-processable nil)
7800 (gnus-summary-limit articles))
7801 (gnus-summary-position-point)))
7803 (defun gnus-summary-pop-limit (&optional total)
7804 "Restore the previous limit.
7805 If given a prefix, remove all limits."
7808 (setq gnus-newsgroup-limits
7809 (list (mapcar (lambda (h) (mail-header-number h))
7810 gnus-newsgroup-headers))))
7811 (unless gnus-newsgroup-limits
7812 (error "No limit to pop"))
7814 (gnus-summary-limit nil 'pop)
7815 (gnus-summary-position-point)))
7817 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7818 "Limit the summary buffer to articles that have subjects that match a regexp.
7819 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7821 (list (read-string (if current-prefix-arg
7822 "Exclude subject (regexp): "
7823 "Limit to subject (regexp): "))
7824 nil current-prefix-arg))
7826 (setq header "subject"))
7827 (when (not (equal "" subject))
7829 (let ((articles (gnus-summary-find-matching
7830 (or header "subject") subject 'all nil nil
7833 (error "Found no matches for \"%s\"" subject))
7834 (gnus-summary-limit articles))
7835 (gnus-summary-position-point))))
7837 (defun gnus-summary-limit-to-author (from &optional not-matching)
7838 "Limit the summary buffer to articles that have authors that match a regexp.
7839 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7841 (list (read-string (if current-prefix-arg
7842 "Exclude author (regexp): "
7843 "Limit to author (regexp): "))
7844 current-prefix-arg))
7845 (gnus-summary-limit-to-subject from "from" not-matching))
7847 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
7848 "Limit the summary buffer to articles with the given RECIPIENT.
7850 If NOT-MATCHING, exclude RECIPIENT.
7852 To and Cc headers are checked. You need to include them in
7853 `nnmail-extra-headers'."
7854 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
7856 (list (read-string (format "%s recipient (regexp): "
7857 (if current-prefix-arg "Exclude" "Limit to")))
7858 current-prefix-arg))
7859 (when (not (equal "" recipient))
7861 (if (memq 'To nnmail-extra-headers)
7862 (gnus-summary-find-matching
7863 (cons 'extra 'To) recipient 'all nil nil
7866 1 "`To' isn't present in `nnmail-extra-headers'")
7870 (if (memq 'Cc nnmail-extra-headers)
7871 (gnus-summary-find-matching
7872 (cons 'extra 'Cc) recipient 'all nil nil
7875 1 "`Cc' isn't present in `nnmail-extra-headers'")
7880 ;; We need the numbers that are in both lists:
7882 (and (memq a to) a))
7886 (error "Found no matches for \"%s\"" recipient))
7887 (gnus-summary-limit articles))
7888 (gnus-summary-position-point))))
7890 (defun gnus-summary-limit-to-age (age &optional younger-p)
7891 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7892 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7893 articles that are younger than AGE days."
7895 (let ((younger current-prefix-arg)
7898 (while (not days-got)
7899 (setq days (if younger
7900 (read-string "Limit to articles younger than (in days, older when negative): ")
7902 "Limit to articles older than (in days, younger when negative): ")))
7903 (when (> (length days) 0)
7904 (setq days (read days)))
7909 (setq younger (not younger))
7910 (setq days (* days -1))))
7911 (message "Please enter a number.")
7913 (list days younger)))
7915 (let ((data gnus-newsgroup-data)
7916 (cutoff (days-to-time age))
7917 articles d date is-younger)
7918 (while (setq d (pop data))
7919 (when (and (vectorp (gnus-data-header d))
7920 (setq date (mail-header-date (gnus-data-header d))))
7921 (setq is-younger (time-less-p
7922 (time-since (condition-case ()
7929 (push (gnus-data-number d) articles))))
7930 (gnus-summary-limit (nreverse articles)))
7931 (gnus-summary-position-point)))
7933 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7934 "Limit the summary buffer to articles that match an 'extra' header."
7938 (gnus-completing-read-with-default
7939 (symbol-name (car gnus-extra-headers))
7940 (if current-prefix-arg
7941 "Exclude extra header"
7942 "Limit extra header")
7944 (cons (symbol-name x) x))
7949 (read-string (format "%s header %s (regexp): "
7950 (if current-prefix-arg "Exclude" "Limit to")
7952 current-prefix-arg)))
7953 (when (not (equal "" regexp))
7955 (let ((articles (gnus-summary-find-matching
7956 (cons 'extra header) regexp 'all nil nil
7959 (error "Found no matches for \"%s\"" regexp))
7960 (gnus-summary-limit articles))
7961 (gnus-summary-position-point))))
7963 (defun gnus-summary-limit-to-display-predicate ()
7964 "Limit the summary buffer to the predicated in the `display' group parameter."
7966 (unless gnus-newsgroup-display
7967 (error "There is no `display' group parameter"))
7969 (dolist (number gnus-newsgroup-articles)
7970 (when (funcall gnus-newsgroup-display)
7971 (push number articles)))
7972 (gnus-summary-limit articles))
7973 (gnus-summary-position-point))
7975 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7977 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7979 (defun gnus-summary-limit-to-unread (&optional all)
7980 "Limit the summary buffer to articles that are not marked as read.
7981 If ALL is non-nil, limit strictly to unread articles."
7984 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7985 (gnus-summary-limit-to-marks
7986 ;; Concat all the marks that say that an article is read and have
7988 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7989 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7990 gnus-low-score-mark gnus-expirable-mark
7991 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7992 gnus-duplicate-mark gnus-souped-mark)
7995 (defun gnus-summary-limit-to-replied (&optional unreplied)
7996 "Limit the summary buffer to replied articles.
7997 If UNREPLIED (the prefix), limit to unreplied articles."
8001 (gnus-set-difference gnus-newsgroup-articles
8002 gnus-newsgroup-replied))
8003 (gnus-summary-limit gnus-newsgroup-replied))
8004 (gnus-summary-position-point))
8006 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8007 (make-obsolete 'gnus-summary-delete-marked-with
8008 'gnus-summary-limit-exclude-marks)
8010 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8011 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8012 If REVERSE, limit the summary buffer to articles that are marked
8013 with MARKS. MARKS can either be a string of marks or a list of marks.
8014 Returns how many articles were removed."
8015 (interactive "sMarks: ")
8016 (gnus-summary-limit-to-marks marks t))
8018 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8019 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8020 If REVERSE (the prefix), limit the summary buffer to articles that are
8021 not marked with MARKS. MARKS can either be a string of marks or a
8023 Returns how many articles were removed."
8024 (interactive "sMarks: \nP")
8026 (let ((data gnus-newsgroup-data)
8027 (marks (if (listp marks) marks
8028 (append marks nil))) ; Transform to list.
8031 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8032 (memq (gnus-data-mark (car data)) marks))
8033 (push (gnus-data-number (car data)) articles))
8034 (setq data (cdr data)))
8035 (gnus-summary-limit articles))
8036 (gnus-summary-position-point)))
8038 (defun gnus-summary-limit-to-score (score)
8039 "Limit to articles with score at or above SCORE."
8040 (interactive "NLimit to articles with score of at least: ")
8041 (let ((data gnus-newsgroup-data)
8044 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8046 (push (gnus-data-number (car data)) articles))
8047 (setq data (cdr data)))
8049 (gnus-summary-limit articles)
8050 (gnus-summary-position-point))))
8052 (defun gnus-summary-limit-to-unseen ()
8053 "Limit to unseen articles."
8056 (gnus-summary-limit gnus-newsgroup-unseen)
8057 (gnus-summary-position-point)))
8059 (defun gnus-summary-limit-include-thread (id)
8060 "Display all the hidden articles that is in the thread with ID in it.
8061 When called interactively, ID is the Message-ID of the current
8063 (interactive (list (mail-header-id (gnus-summary-article-header))))
8064 (let ((articles (gnus-articles-in-thread
8065 (gnus-id-to-thread (gnus-root-id id)))))
8067 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8068 (gnus-summary-limit-include-matching-articles
8070 (regexp-quote (gnus-simplify-subject-re
8071 (mail-header-subject (gnus-id-to-header id)))))
8072 (gnus-summary-position-point))))
8074 (defun gnus-summary-limit-include-matching-articles (header regexp)
8075 "Display all the hidden articles that have HEADERs that match REGEXP."
8076 (interactive (list (read-string "Match on header: ")
8077 (read-string "Regexp: ")))
8078 (let ((articles (gnus-find-matching-articles header regexp)))
8080 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8081 (gnus-summary-position-point))))
8083 (defun gnus-summary-insert-dormant-articles ()
8084 "Insert all the dormant articles for this group into the current buffer."
8086 (let ((gnus-verbose (max 6 gnus-verbose)))
8087 (if (not gnus-newsgroup-dormant)
8088 (gnus-message 3 "No cached articles for this group")
8089 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8091 (defun gnus-summary-limit-include-dormant ()
8092 "Display all the hidden articles that are marked as dormant.
8093 Note that this command only works on a subset of the articles currently
8094 fetched for this group."
8096 (unless gnus-newsgroup-dormant
8097 (error "There are no dormant articles in this group"))
8099 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8100 (gnus-summary-position-point)))
8102 (defun gnus-summary-limit-exclude-dormant ()
8103 "Hide all dormant articles."
8106 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8107 (gnus-summary-position-point)))
8109 (defun gnus-summary-limit-exclude-childless-dormant ()
8110 "Hide all dormant articles that have no children."
8112 (let ((data (gnus-data-list t))
8113 articles d children)
8114 ;; Find all articles that are either not dormant or have
8116 (while (setq d (pop data))
8117 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8119 (gnus-article-children (gnus-data-number d)))
8122 (when (memq (car children) articles)
8127 (push (gnus-data-number d) articles)))
8130 (gnus-summary-limit articles)
8131 (gnus-summary-position-point))))
8133 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8134 "Mark all unread excluded articles as read.
8135 If ALL, mark even excluded ticked and dormants as read."
8137 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8138 (let ((articles (gnus-sorted-ndifference
8140 (mapcar (lambda (h) (mail-header-number h))
8141 gnus-newsgroup-headers)
8143 gnus-newsgroup-limit))
8145 (setq gnus-newsgroup-unreads
8146 (gnus-sorted-intersection gnus-newsgroup-unreads
8147 gnus-newsgroup-limit))
8149 (setq gnus-newsgroup-dormant nil
8150 gnus-newsgroup-marked nil
8151 gnus-newsgroup-reads
8153 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8154 gnus-newsgroup-reads))
8155 (while (setq article (pop articles))
8156 (unless (or (memq article gnus-newsgroup-dormant)
8157 (memq article gnus-newsgroup-marked))
8158 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8160 (defun gnus-summary-limit (articles &optional pop)
8162 ;; We pop the previous limit off the stack and use that.
8163 (setq articles (car gnus-newsgroup-limits)
8164 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8165 ;; We use the new limit, so we push the old limit on the stack.
8166 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8168 (setq gnus-newsgroup-limit articles)
8169 (let ((total (length gnus-newsgroup-data))
8170 (data (gnus-data-find-list (gnus-summary-article-number)))
8171 (gnus-summary-mark-below nil) ; Inhibit this.
8173 ;; This will do all the work of generating the new summary buffer
8174 ;; according to the new limit.
8175 (gnus-summary-prepare)
8176 ;; Hide any threads, possibly.
8177 (gnus-summary-maybe-hide-threads)
8178 ;; Try to return to the article you were at, or one in the
8181 ;; We try to find some article after the current one.
8183 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8186 (setq data (cdr data))))
8188 ;; If there is no data, that means that we were after the last
8189 ;; article. The same goes when we can't find any articles
8190 ;; after the current one.
8191 (goto-char (point-max))
8192 (gnus-summary-find-prev))
8193 (gnus-set-mode-line 'summary)
8194 ;; We return how many articles were removed from the summary
8195 ;; buffer as a result of the new limit.
8196 (- total (length gnus-newsgroup-data))))
8198 (defsubst gnus-invisible-cut-children (threads)
8201 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8206 (defsubst gnus-cut-thread (thread)
8207 "Go forwards in the thread until we find an article that we want to display."
8208 (when (or (eq gnus-fetch-old-headers 'some)
8209 (eq gnus-fetch-old-headers 'invisible)
8210 (numberp gnus-fetch-old-headers)
8211 (eq gnus-build-sparse-threads 'some)
8212 (eq gnus-build-sparse-threads 'more))
8213 ;; Deal with old-fetched headers and sparse threads.
8217 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8218 (gnus-summary-article-ancient-p
8219 (mail-header-number (car thread))))
8220 (if (or (<= (length (cdr thread)) 1)
8221 (eq gnus-fetch-old-headers 'invisible))
8222 (setq gnus-newsgroup-limit
8223 (delq (mail-header-number (car thread))
8224 gnus-newsgroup-limit)
8225 thread (cadr thread))
8226 (when (gnus-invisible-cut-children (cdr thread))
8227 (let ((th (cdr thread)))
8229 (if (memq (mail-header-number (caar th))
8230 gnus-newsgroup-limit)
8231 (setq thread (car th)
8233 (setq th (cdr th))))))))))
8236 (defun gnus-cut-threads (threads)
8237 "Cut off all uninteresting articles from the beginning of THREADS."
8238 (when (or (eq gnus-fetch-old-headers 'some)
8239 (eq gnus-fetch-old-headers 'invisible)
8240 (numberp gnus-fetch-old-headers)
8241 (eq gnus-build-sparse-threads 'some)
8242 (eq gnus-build-sparse-threads 'more))
8245 (setcar th (gnus-cut-thread (car th)))
8246 (setq th (cdr th)))))
8247 ;; Remove nixed out threads.
8250 (defun gnus-summary-initial-limit (&optional show-if-empty)
8251 "Figure out what the initial limit is supposed to be on group entry.
8252 This entails weeding out unwanted dormants, low-scored articles,
8253 fetch-old-headers verbiage, and so on."
8254 ;; Most groups have nothing to remove.
8255 (if (or gnus-inhibit-limiting
8256 (and (null gnus-newsgroup-dormant)
8257 (eq gnus-newsgroup-display 'gnus-not-ignore)
8258 (not (eq gnus-fetch-old-headers 'some))
8259 (not (numberp gnus-fetch-old-headers))
8260 (not (eq gnus-fetch-old-headers 'invisible))
8261 (null gnus-summary-expunge-below)
8262 (not (eq gnus-build-sparse-threads 'some))
8263 (not (eq gnus-build-sparse-threads 'more))
8264 (null gnus-thread-expunge-below)
8265 (not gnus-use-nocem)))
8267 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8268 (setq gnus-newsgroup-limit nil)
8271 (unless (car (symbol-value node))
8272 ;; These threads have no parents -- they are roots.
8273 (let ((nodes (cdr (symbol-value node)))
8276 (if (and gnus-thread-expunge-below
8277 (< (gnus-thread-total-score (car nodes))
8278 gnus-thread-expunge-below))
8279 (gnus-expunge-thread (pop nodes))
8280 (setq thread (pop nodes))
8281 (gnus-summary-limit-children thread))))))
8282 gnus-newsgroup-dependencies)
8283 ;; If this limitation resulted in an empty group, we might
8284 ;; pop the previous limit and use it instead.
8285 (when (and (not gnus-newsgroup-limit)
8287 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8288 gnus-newsgroup-limit))
8290 (defun gnus-summary-limit-children (thread)
8291 "Return 1 if this subthread is visible and 0 if it is not."
8292 ;; First we get the number of visible children to this thread. This
8293 ;; is done by recursing down the thread using this function, so this
8294 ;; will really go down to a leaf article first, before slowly
8295 ;; working its way up towards the root.
8297 (let* ((max-lisp-eval-depth 5000)
8300 (apply '+ (mapcar 'gnus-summary-limit-children
8303 (number (mail-header-number (car thread)))
8306 (not (memq number gnus-newsgroup-marked))
8308 ;; If this article is dormant and has absolutely no visible
8309 ;; children, then this article isn't visible.
8310 (and (memq number gnus-newsgroup-dormant)
8312 ;; If this is "fetch-old-headered" and there is no
8313 ;; visible children, then we don't want this article.
8314 (and (or (eq gnus-fetch-old-headers 'some)
8315 (numberp gnus-fetch-old-headers))
8316 (gnus-summary-article-ancient-p number)
8318 ;; If this is "fetch-old-headered" and `invisible', then
8319 ;; we don't want this article.
8320 (and (eq gnus-fetch-old-headers 'invisible)
8321 (gnus-summary-article-ancient-p number))
8322 ;; If this is a sparsely inserted article with no children,
8323 ;; we don't want it.
8324 (and (eq gnus-build-sparse-threads 'some)
8325 (gnus-summary-article-sparse-p number)
8327 ;; If we use expunging, and this article is really
8328 ;; low-scored, then we don't want this article.
8329 (when (and gnus-summary-expunge-below
8331 (or (cdr (assq number gnus-newsgroup-scored))
8332 gnus-summary-default-score))
8333 gnus-summary-expunge-below))
8334 ;; We increase the expunge-tally here, but that has
8335 ;; nothing to do with the limits, really.
8336 (incf gnus-newsgroup-expunged-tally)
8337 ;; We also mark as read here, if that's wanted.
8338 (when (and gnus-summary-mark-below
8339 (< score gnus-summary-mark-below))
8340 (setq gnus-newsgroup-unreads
8341 (delq number gnus-newsgroup-unreads))
8342 (if gnus-newsgroup-auto-expire
8343 (push number gnus-newsgroup-expirable)
8344 (push (cons number gnus-low-score-mark)
8345 gnus-newsgroup-reads)))
8347 ;; Do the `display' group parameter.
8348 (and gnus-newsgroup-display
8349 (not (funcall gnus-newsgroup-display)))
8350 ;; Check NoCeM things.
8351 (when (and gnus-use-nocem
8352 (gnus-nocem-unwanted-article-p
8353 (mail-header-id (car thread))))
8354 (setq gnus-newsgroup-unreads
8355 (delq number gnus-newsgroup-unreads))
8357 ;; Nope, invisible article.
8359 ;; Ok, this article is to be visible, so we add it to the limit
8361 (push number gnus-newsgroup-limit)
8364 (defun gnus-expunge-thread (thread)
8365 "Mark all articles in THREAD as read."
8366 (let* ((number (mail-header-number (car thread))))
8367 (incf gnus-newsgroup-expunged-tally)
8368 ;; We also mark as read here, if that's wanted.
8369 (setq gnus-newsgroup-unreads
8370 (delq number gnus-newsgroup-unreads))
8371 (if gnus-newsgroup-auto-expire
8372 (push number gnus-newsgroup-expirable)
8373 (push (cons number gnus-low-score-mark)
8374 gnus-newsgroup-reads)))
8375 ;; Go recursively through all subthreads.
8376 (mapcar 'gnus-expunge-thread (cdr thread)))
8378 ;; Summary article oriented commands
8380 (defun gnus-summary-refer-parent-article (n)
8381 "Refer parent article N times.
8382 If N is negative, go to ancestor -N instead.
8383 The difference between N and the number of articles fetched is returned."
8387 (when (not (natnump n))
8392 (setq header (gnus-summary-article-header))
8393 (if (and (eq (mail-header-number header)
8394 (cdr gnus-article-current))
8395 (equal gnus-newsgroup-name
8396 (car gnus-article-current)))
8397 ;; If we try to find the parent of the currently
8398 ;; displayed article, then we take a look at the actual
8399 ;; References header, since this is slightly more
8400 ;; reliable than the References field we got from the
8403 (set-buffer gnus-original-article-buffer)
8404 (nnheader-narrow-to-headers)
8405 (unless (setq ref (message-fetch-field "references"))
8406 (when (setq ref (message-fetch-field "in-reply-to"))
8407 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8410 ;; It's not the current article, so we take a bet on
8411 ;; the value we got from the server.
8412 (mail-header-references header)))
8414 (not (equal ref "")))
8415 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8416 (gnus-message 1 "Couldn't find parent"))
8417 (gnus-message 1 "No references in article %d"
8418 (gnus-summary-article-number))
8421 (gnus-summary-position-point)
8424 (defun gnus-summary-refer-references ()
8425 "Fetch all articles mentioned in the References header.
8426 Return the number of articles fetched."
8428 (let ((ref (mail-header-references (gnus-summary-article-header)))
8429 (current (gnus-summary-article-number))
8433 (error "No References in the current article")
8434 ;; For each Message-ID in the References header...
8435 (while (string-match "<[^>]*>" ref)
8437 ;; ... fetch that article.
8438 (gnus-summary-refer-article
8439 (prog1 (match-string 0 ref)
8440 (setq ref (substring ref (match-end 0))))))
8441 (gnus-summary-goto-subject current)
8442 (gnus-summary-position-point)
8445 (defun gnus-summary-refer-thread (&optional limit)
8446 "Fetch all articles in the current thread.
8447 If LIMIT (the numerical prefix), fetch that many old headers instead
8448 of what's specified by the `gnus-refer-thread-limit' variable."
8450 (let ((id (mail-header-id (gnus-summary-article-header)))
8451 (limit (if limit (prefix-numeric-value limit)
8452 gnus-refer-thread-limit)))
8453 (unless (eq gnus-fetch-old-headers 'invisible)
8454 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8455 ;; Retrieve the headers and read them in.
8456 (if (eq (if (numberp limit)
8457 (gnus-retrieve-headers
8459 (+ (mail-header-number
8460 (gnus-summary-article-header))
8462 gnus-newsgroup-end))
8463 gnus-newsgroup-name (* limit 2))
8464 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8466 (gnus-retrieve-headers (list gnus-newsgroup-end)
8467 gnus-newsgroup-name limit))
8469 (gnus-build-all-threads)
8470 (error "Can't fetch thread from back ends that don't support NOV"))
8471 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8472 (gnus-summary-limit-include-thread id)))
8474 (defun gnus-summary-refer-article (message-id)
8475 "Fetch an article specified by MESSAGE-ID."
8476 (interactive "sMessage-ID: ")
8477 (when (and (stringp message-id)
8478 (not (zerop (length message-id))))
8479 (setq message-id (gnus-replace-in-string message-id " " ""))
8480 ;; Construct the correct Message-ID if necessary.
8481 ;; Suggested by tale@pawl.rpi.edu.
8482 (unless (string-match "^<" message-id)
8483 (setq message-id (concat "<" message-id)))
8484 (unless (string-match ">$" message-id)
8485 (setq message-id (concat message-id ">")))
8486 ;; People often post MIDs from URLs, so unhex it:
8487 (unless (string-match "@" message-id)
8488 (setq message-id (gnus-url-unhex-string message-id)))
8489 (let* ((header (gnus-id-to-header message-id))
8491 (gnus-summary-article-sparse-p
8492 (mail-header-number header))
8493 (memq (mail-header-number header)
8494 gnus-newsgroup-limit)))
8497 ;; If the article is present in the buffer we just go to it.
8499 (or (not (gnus-summary-article-sparse-p
8500 (mail-header-number header)))
8503 (gnus-summary-goto-article
8504 (mail-header-number header) nil t)
8506 (gnus-summary-update-article (mail-header-number header)))))
8508 ;; We fetch the article.
8510 (dolist (gnus-override-method (gnus-refer-article-methods))
8511 (when (and (gnus-check-server gnus-override-method)
8512 ;; Fetch the header,
8513 (setq number (gnus-summary-insert-subject message-id)))
8514 ;; and display the article.
8515 (gnus-summary-select-article nil nil nil number)
8517 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8519 (defun gnus-refer-article-methods ()
8520 "Return a list of referable methods."
8522 ;; No method, so we default to current and native.
8523 ((null gnus-refer-article-method)
8524 (list gnus-current-select-method gnus-select-method))
8526 ((eq 'current gnus-refer-article-method)
8527 (list gnus-current-select-method))
8528 ;; List of select methods.
8529 ((not (and (symbolp (car gnus-refer-article-method))
8530 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8532 (dolist (method gnus-refer-article-method)
8533 (push (if (eq 'current method)
8534 gnus-current-select-method
8538 ;; One single select method.
8540 (list gnus-refer-article-method))))
8542 (defun gnus-summary-edit-parameters ()
8543 "Edit the group parameters of the current group."
8545 (gnus-group-edit-group gnus-newsgroup-name 'params))
8547 (defun gnus-summary-customize-parameters ()
8548 "Customize the group parameters of the current group."
8550 (gnus-group-customize gnus-newsgroup-name))
8552 (defun gnus-summary-enter-digest-group (&optional force)
8553 "Enter an nndoc group based on the current article.
8554 If FORCE, force a digest interpretation. If not, try
8555 to guess what the document format is."
8557 (let ((conf gnus-current-window-configuration))
8558 (save-window-excursion
8560 (let (gnus-article-prepare-hook
8561 gnus-display-mime-function
8563 (gnus-summary-select-article))))
8564 (setq gnus-current-window-configuration conf)
8565 (let* ((name (format "%s-%d"
8566 (gnus-group-prefixed-name
8567 gnus-newsgroup-name (list 'nndoc ""))
8568 (with-current-buffer gnus-summary-buffer
8569 gnus-current-article)))
8570 (ogroup gnus-newsgroup-name)
8571 (params (append (gnus-info-params (gnus-get-info ogroup))
8572 (list (cons 'to-group ogroup))
8573 (list (cons 'parent-group ogroup))
8574 (list (cons 'save-article-group ogroup))))
8575 (case-fold-search t)
8576 (buf (current-buffer))
8579 (set-buffer gnus-original-article-buffer)
8580 ;; Have the digest group inherit the main mail address of
8581 ;; the parent article.
8582 (when (setq to-address (or (gnus-fetch-field "reply-to")
8583 (gnus-fetch-field "from")))
8584 (setq params (append
8585 (list (cons 'to-address
8586 (funcall gnus-decode-encoded-word-function
8588 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8589 (insert-buffer-substring gnus-original-article-buffer)
8590 ;; Remove lines that may lead nndoc to misinterpret the
8593 (goto-char (point-min))
8594 (or (search-forward "\n\n" nil t) (point)))
8595 (goto-char (point-min))
8596 (delete-matching-lines "^Path:\\|^From ")
8599 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8600 (gnus-newsgroup-ephemeral-ignored-charsets
8601 gnus-newsgroup-ignored-charsets))
8602 (gnus-group-read-ephemeral-group
8603 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8605 ,(if force 'mbox 'guess)))
8607 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8609 ;; Make all postings to this group go to the parent group.
8610 (nconc (gnus-info-params (gnus-get-info name))
8612 ;; Couldn't select this doc group.
8613 (switch-to-buffer buf)
8614 (gnus-set-global-variables)
8615 (gnus-configure-windows 'summary)
8616 (gnus-message 3 "Article couldn't be entered?"))
8617 (kill-buffer dig)))))
8619 (defun gnus-summary-read-document (n)
8620 "Open a new group based on the current article(s).
8621 This will allow you to read digests and other similar
8622 documents as newsgroups.
8623 Obeys the standard process/prefix convention."
8625 (let* ((ogroup gnus-newsgroup-name)
8626 (params (append (gnus-info-params (gnus-get-info ogroup))
8627 (list (cons 'to-group ogroup))))
8628 group egroup groups vgroup)
8629 (dolist (article (gnus-summary-work-articles n))
8630 (setq group (format "%s-%d" gnus-newsgroup-name article))
8631 (gnus-summary-remove-process-mark article)
8632 (when (gnus-summary-display-article article)
8635 (insert-buffer-substring gnus-original-article-buffer)
8636 ;; Remove some headers that may lead nndoc to make
8638 (message-narrow-to-head)
8639 (goto-char (point-min))
8640 (delete-matching-lines "^Path:\\|^From ")
8643 (gnus-group-read-ephemeral-group
8644 group `(nndoc ,group (nndoc-address ,(current-buffer))
8645 (nndoc-article-type guess))
8648 ;; Make all postings to this group go to the parent group.
8649 (nconc (gnus-info-params (gnus-get-info egroup))
8651 (push egroup groups))
8652 ;; Couldn't select this doc group.
8653 (gnus-error 3 "Article couldn't be entered"))))))
8654 ;; Now we have selected all the documents.
8657 (error "None of the articles could be interpreted as documents"))
8658 ((gnus-group-read-ephemeral-group
8659 (setq vgroup (format
8660 "nnvirtual:%s-%s" gnus-newsgroup-name
8661 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8662 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8664 (cons (current-buffer) 'summary)))
8666 (error "Couldn't select virtual nndoc group")))))
8668 (defun gnus-summary-isearch-article (&optional regexp-p)
8669 "Do incremental search forward on the current article.
8670 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8672 (gnus-summary-select-article)
8673 (gnus-configure-windows 'article)
8674 (gnus-eval-in-buffer-window gnus-article-buffer
8677 (isearch-forward regexp-p))))
8679 (defun gnus-summary-search-article-forward (regexp &optional backward)
8680 "Search for an article containing REGEXP forward.
8681 If BACKWARD, search backward instead."
8684 (format "Search article %s (regexp%s): "
8685 (if current-prefix-arg "backward" "forward")
8686 (if gnus-last-search-regexp
8687 (concat ", default " gnus-last-search-regexp)
8689 current-prefix-arg))
8690 (if (string-equal regexp "")
8691 (setq regexp (or gnus-last-search-regexp ""))
8692 (setq gnus-last-search-regexp regexp)
8693 (setq gnus-article-before-search gnus-current-article))
8694 ;; Intentionally set gnus-last-article.
8695 (setq gnus-last-article gnus-article-before-search)
8696 (let ((gnus-last-article gnus-last-article))
8697 (if (gnus-summary-search-article regexp backward)
8698 (gnus-summary-show-thread)
8699 (signal 'search-failed (list regexp)))))
8701 (defun gnus-summary-search-article-backward (regexp)
8702 "Search for an article containing REGEXP backward."
8705 (format "Search article backward (regexp%s): "
8706 (if gnus-last-search-regexp
8707 (concat ", default " gnus-last-search-regexp)
8709 (gnus-summary-search-article-forward regexp 'backward))
8711 (defun gnus-summary-search-article (regexp &optional backward)
8712 "Search for an article containing REGEXP.
8713 Optional argument BACKWARD means do search for backward.
8714 `gnus-select-article-hook' is not called during the search."
8715 ;; We have to require this here to make sure that the following
8716 ;; dynamic binding isn't shadowed by autoloading.
8717 (require 'gnus-async)
8719 (let ((gnus-select-article-hook nil) ;Disable hook.
8720 (gnus-article-prepare-hook nil)
8721 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8722 (gnus-use-article-prefetch nil)
8723 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8724 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8726 (gnus-keep-backlog nil)
8727 (gnus-break-pages nil)
8728 (gnus-summary-display-arrow nil)
8729 (gnus-updated-mode-lines nil)
8730 (gnus-auto-center-summary nil)
8731 (sum (current-buffer))
8732 (gnus-display-mime-function nil)
8735 (gnus-save-hidden-threads
8736 (gnus-summary-select-article)
8737 (set-buffer gnus-article-buffer)
8738 (goto-char (window-point (get-buffer-window (current-buffer))))
8742 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8744 (re-search-backward regexp nil t)
8745 (re-search-forward regexp nil t))
8746 ;; We found the regexp.
8751 (get-buffer-window (current-buffer))
8755 (get-buffer-window (current-buffer))
8758 (setq point (point)))
8759 ;; We didn't find it, so we go to the next article.
8762 (while (eq found 'not)
8763 (if (not (if backward (gnus-summary-find-prev)
8764 (gnus-summary-find-next)))
8765 ;; No more articles.
8767 ;; Select the next article and adjust point.
8768 (unless (gnus-summary-article-sparse-p
8769 (gnus-summary-article-number))
8771 (gnus-summary-select-article)
8772 (set-buffer gnus-article-buffer)
8774 (goto-char (if backward (point-max) (point-min))))))))
8775 (gnus-message 7 ""))
8776 ;; Return whether we found the regexp.
8777 (when (eq found 'found)
8779 (gnus-summary-show-thread)
8780 (gnus-summary-goto-subject gnus-current-article)
8781 (gnus-summary-position-point)
8784 (defun gnus-find-matching-articles (header regexp)
8785 "Return a list of all articles that match REGEXP on HEADER.
8786 This search includes all articles in the current group that Gnus has
8787 fetched headers for, whether they are displayed or not."
8788 (let ((articles nil)
8789 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8790 (case-fold-search t))
8791 (dolist (header gnus-newsgroup-headers)
8792 (when (string-match regexp (funcall func header))
8793 (push (mail-header-number header) articles)))
8794 (nreverse articles)))
8796 (defun gnus-summary-find-matching (header regexp &optional backward unread
8797 not-case-fold not-matching)
8798 "Return a list of all articles that match REGEXP on HEADER.
8799 The search stars on the current article and goes forwards unless
8800 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8801 If UNREAD is non-nil, only unread articles will
8802 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8803 in the comparisons. If NOT-MATCHING, return a list of all articles that
8804 not match REGEXP on HEADER."
8805 (let ((case-fold-search (not not-case-fold))
8808 (if (eq (car header) 'extra)
8811 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8813 (error "%s is an invalid header" header))
8814 (unless (fboundp (intern (concat "mail-header-" header)))
8815 (error "%s is not a valid header" header))
8816 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8817 (dolist (d (if (eq backward 'all)
8819 (gnus-data-find-list
8820 (gnus-summary-article-number)
8821 (gnus-data-list backward))))
8822 (when (and (or (not unread) ; We want all articles...
8823 (gnus-data-unread-p d)) ; Or just unreads.
8824 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8828 (funcall func (gnus-data-header d))))
8829 (string-match regexp
8830 (funcall func (gnus-data-header d)))))
8831 (push (gnus-data-number d) articles))) ; Success!
8832 (nreverse articles)))
8834 (defun gnus-summary-execute-command (header regexp command &optional backward)
8835 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8836 If HEADER is an empty string (or nil), the match is done on the entire
8837 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8839 (list (let ((completion-ignore-case t))
8842 (mapcar (lambda (header) (list (format "%s" header)))
8844 '("Number" "Subject" "From" "Lines" "Date"
8845 "Message-ID" "Xref" "References" "Body")
8846 gnus-extra-headers))
8847 nil 'require-match))
8848 (read-string "Regexp: ")
8849 (read-key-sequence "Command: ")
8850 current-prefix-arg))
8851 (when (equal header "Body")
8853 ;; Hidden thread subtrees must be searched as well.
8854 (gnus-summary-show-all-threads)
8855 ;; We don't want to change current point nor window configuration.
8857 (save-window-excursion
8859 gnus-treat-strip-trailing-blank-lines
8860 gnus-treat-strip-leading-blank-lines
8861 gnus-treat-strip-multiple-blank-lines
8862 gnus-treat-hide-boring-headers
8863 gnus-treat-fold-newsgroups
8864 gnus-article-prepare-hook)
8865 (gnus-message 6 "Executing %s..." (key-description command))
8866 ;; We'd like to execute COMMAND interactively so as to give arguments.
8867 (gnus-execute header regexp
8868 `(call-interactively ',(key-binding command))
8870 (gnus-message 6 "Executing %s...done" (key-description command))))))
8872 (defun gnus-summary-beginning-of-article ()
8873 "Scroll the article back to the beginning."
8875 (gnus-summary-select-article)
8876 (gnus-configure-windows 'article)
8877 (gnus-eval-in-buffer-window gnus-article-buffer
8879 (goto-char (point-min))
8880 (when gnus-break-pages
8881 (gnus-narrow-to-page))))
8883 (defun gnus-summary-end-of-article ()
8884 "Scroll to the end of the article."
8886 (gnus-summary-select-article)
8887 (gnus-configure-windows 'article)
8888 (gnus-eval-in-buffer-window gnus-article-buffer
8890 (goto-char (point-max))
8892 (when gnus-break-pages
8893 (when (re-search-backward page-delimiter nil t)
8894 (narrow-to-region (match-end 0) (point-max)))
8895 (gnus-narrow-to-page))))
8897 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8898 "Truncate to LEN and quote all \"(\"'s in STRING."
8899 (gnus-replace-in-string (if (and len (> (length string) len))
8900 (substring string 0 len)
8904 (defun gnus-summary-print-article (&optional filename n)
8905 "Generate and print a PostScript image of the process-marked (mail) articles.
8907 If used interactively, print the current article if none are
8908 process-marked. With prefix arg, prompt the user for the name of the
8911 When used from Lisp, accept two optional args FILENAME and N. N means
8912 to print the next N articles. If N is negative, print the N previous
8913 articles. If N is nil and articles have been marked with the process
8914 mark, print these instead.
8916 If the optional first argument FILENAME is nil, send the image to the
8917 printer. If FILENAME is a string, save the PostScript image in a file with
8918 that name. If FILENAME is a number, prompt the user for the name of the file
8920 (interactive (list (ps-print-preprint current-prefix-arg)))
8921 (dolist (article (gnus-summary-work-articles n))
8922 (gnus-summary-select-article nil nil 'pseudo article)
8923 (gnus-eval-in-buffer-window gnus-article-buffer
8924 (gnus-print-buffer))
8925 (gnus-summary-remove-process-mark article))
8926 (ps-despool filename))
8928 (defun gnus-print-buffer ()
8929 (let ((buffer (generate-new-buffer " *print*")))
8932 (copy-to-buffer buffer (point-min) (point-max))
8934 (gnus-remove-text-with-property 'gnus-decoration)
8935 (when (gnus-visual-p 'article-highlight 'highlight)
8936 ;; Copy-to-buffer doesn't copy overlay. So redo
8938 (let ((gnus-article-buffer buffer))
8939 (gnus-article-highlight-citation t)
8940 (gnus-article-highlight-signature)
8941 (gnus-article-emphasize)
8942 (gnus-article-delete-invisible-text)))
8943 (let ((ps-left-header
8946 (gnus-summary-print-truncate-and-quote
8947 (mail-header-subject gnus-current-headers)
8950 (gnus-summary-print-truncate-and-quote
8951 (mail-header-from gnus-current-headers)
8955 "/pagenumberstring load"
8957 (mail-header-date gnus-current-headers) ")"))))
8958 (gnus-run-hooks 'gnus-ps-print-hook)
8961 (ps-spool-buffer-with-faces)
8962 (ps-spool-buffer)))))
8963 (kill-buffer buffer))))
8965 (defun gnus-summary-show-article (&optional arg)
8966 "Force redisplaying of the current article.
8967 If ARG (the prefix) is a number, show the article with the charset
8968 defined in `gnus-summary-show-article-charset-alist', or the charset
8970 If ARG (the prefix) is non-nil and not a number, show the raw article
8971 without any article massaging functions being run. Normally, the key
8972 strokes are `C-u g'."
8976 (gnus-summary-show-article t)
8977 (let ((gnus-newsgroup-charset
8978 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8979 (mm-read-coding-system
8980 "View as charset: " ;; actually it is coding system.
8981 (with-current-buffer gnus-article-buffer
8982 (mm-detect-coding-region (point) (point-max))))))
8983 (gnus-newsgroup-ignored-charsets 'gnus-all))
8984 (gnus-summary-select-article nil 'force)
8985 (let ((deps gnus-newsgroup-dependencies)
8988 (set-buffer gnus-original-article-buffer)
8990 (message-narrow-to-head)
8991 (setq head (buffer-string))
8992 (goto-char (point-min))
8993 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8994 (goto-char (point-max))
8996 (setq lines (1- (count-lines (point) (point-max))))))
8998 (insert (format "211 %d Article retrieved.\n"
8999 (cdr gnus-article-current)))
9001 (if lines (insert (format "Lines: %d\n" lines)))
9003 (let ((nntp-server-buffer (current-buffer)))
9004 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9005 (gnus-data-set-header
9006 (gnus-data-find (cdr gnus-article-current))
9008 (gnus-summary-update-article-line
9009 (cdr gnus-article-current) header)
9010 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9011 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9013 ;; Select the article the normal way.
9014 (gnus-summary-select-article nil 'force))
9016 ;; We have to require this here to make sure that the following
9017 ;; dynamic binding isn't shadowed by autoloading.
9018 (require 'gnus-async)
9020 ;; Bind the article treatment functions to nil.
9021 (let ((gnus-have-all-headers t)
9022 gnus-article-prepare-hook
9023 gnus-article-decode-hook
9024 gnus-display-mime-function
9026 ;; Destroy any MIME parts.
9027 (when (gnus-buffer-live-p gnus-article-buffer)
9029 (set-buffer gnus-article-buffer)
9030 (mm-destroy-parts gnus-article-mime-handles)
9031 ;; Set it to nil for safety reason.
9032 (setq gnus-article-mime-handle-alist nil)
9033 (setq gnus-article-mime-handles nil)))
9034 (gnus-summary-select-article nil 'force))))
9035 (gnus-summary-goto-subject gnus-current-article)
9036 (gnus-summary-position-point))
9038 (defun gnus-summary-show-raw-article ()
9039 "Show the raw article without any article massaging functions being run."
9041 (gnus-summary-show-article t))
9043 (defun gnus-summary-verbose-headers (&optional arg)
9044 "Toggle permanent full header display.
9045 If ARG is a positive number, turn header display on.
9046 If ARG is a negative number, turn header display off."
9048 (setq gnus-show-all-headers
9049 (cond ((or (not (numberp arg))
9051 (not gnus-show-all-headers))
9054 (gnus-summary-show-article))
9056 (defun gnus-summary-toggle-header (&optional arg)
9057 "Show the headers if they are hidden, or hide them if they are shown.
9058 If ARG is a positive number, show the entire header.
9059 If ARG is a negative number, hide the unwanted header lines."
9061 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9062 (get-buffer-window gnus-article-buffer t))))
9063 (with-current-buffer gnus-article-buffer
9065 (article-narrow-to-head)
9066 (let* ((buffer-read-only nil)
9067 (inhibit-point-motion-hooks t)
9068 (hidden (if (numberp arg)
9070 (or (not (looking-at "[^ \t\n]+:"))
9071 (gnus-article-hidden-text-p 'headers))))
9073 (delete-region (point-min) (point-max))
9074 (with-current-buffer gnus-original-article-buffer
9075 (goto-char (setq s (point-min)))
9076 (setq e (if (search-forward "\n\n" nil t)
9079 (insert-buffer-substring gnus-original-article-buffer s e)
9080 (run-hooks 'gnus-article-decode-hook)
9082 (let ((gnus-treat-hide-headers nil)
9083 (gnus-treat-hide-boring-headers nil))
9084 (gnus-delete-wash-type 'headers)
9085 (gnus-treat-article 'head))
9086 (gnus-treat-article 'head))
9089 (set-window-start window (goto-char (point-min))))
9090 (if gnus-break-pages
9091 (gnus-narrow-to-page)
9092 (when (gnus-visual-p 'page-marker)
9093 (let ((buffer-read-only nil))
9094 (gnus-remove-text-with-property 'gnus-prev)
9095 (gnus-remove-text-with-property 'gnus-next))))
9096 (gnus-set-mode-line 'article)))))
9098 (defun gnus-summary-show-all-headers ()
9099 "Make all header lines visible."
9101 (gnus-summary-toggle-header 1))
9103 (defun gnus-summary-caesar-message (&optional arg)
9104 "Caesar rotate the current article by 13.
9105 The numerical prefix specifies how many places to rotate each letter
9108 (gnus-summary-select-article)
9109 (let ((mail-header-separator ""))
9110 (gnus-eval-in-buffer-window gnus-article-buffer
9113 (let ((start (window-start))
9115 (message-caesar-buffer-body arg)
9116 (set-window-start (get-buffer-window (current-buffer)) start)))))
9117 ;; Create buttons and stuff...
9118 (gnus-treat-article nil))
9120 (defun gnus-summary-idna-message (&optional arg)
9121 "Decode IDNA encoded domain names in the current articles.
9122 IDNA encoded domain names looks like `xn--bar'. If a string
9123 remain unencoded after running this function, it is likely an
9124 invalid IDNA string (`xn--bar' is invalid).
9126 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9127 installed for this command to work."
9129 (if (not (and (condition-case nil (require 'idna)
9131 (mm-coding-system-p 'utf-8)
9132 (executable-find (symbol-value 'idna-program))))
9134 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9135 (gnus-summary-select-article)
9136 (let ((mail-header-separator ""))
9137 (gnus-eval-in-buffer-window gnus-article-buffer
9140 (let ((start (window-start))
9142 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9143 (replace-match (idna-to-unicode (match-string 1))))
9144 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9146 (autoload 'unmorse-region "morse"
9147 "Convert morse coded text in region to ordinary ASCII text."
9150 (defun gnus-summary-morse-message (&optional arg)
9151 "Morse decode the current article."
9153 (gnus-summary-select-article)
9154 (let ((mail-header-separator ""))
9155 (gnus-eval-in-buffer-window gnus-article-buffer
9159 (let ((pos (window-start))
9161 (goto-char (point-min))
9162 (when (message-goto-body)
9163 (gnus-narrow-to-body))
9164 (goto-char (point-min))
9165 (while (search-forward "·" (point-max) t)
9166 (replace-match "."))
9167 (unmorse-region (point-min) (point-max))
9169 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9171 (defun gnus-summary-stop-page-breaking ()
9172 "Stop page breaking in the current article."
9174 (gnus-summary-select-article)
9175 (gnus-eval-in-buffer-window gnus-article-buffer
9177 (when (gnus-visual-p 'page-marker)
9178 (let ((buffer-read-only nil))
9179 (gnus-remove-text-with-property 'gnus-prev)
9180 (gnus-remove-text-with-property 'gnus-next))
9181 (setq gnus-page-broken nil))))
9183 (defun gnus-summary-move-article (&optional n to-newsgroup
9184 select-method action)
9185 "Move the current article to a different newsgroup.
9186 If N is a positive number, move the N next articles.
9187 If N is a negative number, move the N previous articles.
9188 If N is nil and any articles have been marked with the process mark,
9189 move those articles instead.
9190 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9191 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9192 re-spool using this method.
9194 When called interactively with TO-NEWSGROUP being nil, the value of
9195 the variable `gnus-move-split-methods' is used for finding a default
9196 for the target newsgroup.
9198 For this function to work, both the current newsgroup and the
9199 newsgroup that you want to move to have to support the `request-move'
9200 and `request-accept' functions.
9202 ACTION can be either `move' (the default), `crosspost' or `copy'."
9205 (setq action 'move))
9206 ;; Check whether the source group supports the required functions.
9207 (cond ((and (eq action 'move)
9208 (not (gnus-check-backend-function
9209 'request-move-article gnus-newsgroup-name)))
9210 (error "The current group does not support article moving"))
9211 ((and (eq action 'crosspost)
9212 (not (gnus-check-backend-function
9213 'request-replace-article gnus-newsgroup-name)))
9214 (error "The current group does not support article editing")))
9215 (let ((articles (gnus-summary-work-articles n))
9216 (prefix (if (gnus-check-backend-function
9217 'request-move-article gnus-newsgroup-name)
9218 (funcall gnus-move-group-prefix-function
9219 gnus-newsgroup-name)
9221 (names '((move "Move" "Moving")
9222 (copy "Copy" "Copying")
9223 (crosspost "Crosspost" "Crossposting")))
9224 (copy-buf (save-excursion
9225 (nnheader-set-temp-buffer " *copy article*")))
9226 art-group to-method new-xref article to-groups articles-to-update-marks)
9227 (unless (assq action names)
9228 (error "Unknown action %s" action))
9229 ;; Read the newsgroup name.
9230 (when (and (not to-newsgroup)
9231 (not select-method))
9232 (if (and gnus-move-split-methods
9234 (and (memq gnus-current-article articles)
9235 (gnus-buffer-live-p gnus-original-article-buffer))))
9236 ;; When `gnus-move-split-methods' is non-nil, we have to
9237 ;; select an article to give `gnus-read-move-group-name' an
9238 ;; opportunity to suggest an appropriate default. However,
9239 ;; we needn't render or mark the article.
9240 (let ((gnus-display-mime-function nil)
9241 (gnus-article-prepare-hook nil)
9242 (gnus-mark-article-hook nil))
9243 (gnus-summary-select-article nil nil nil (car articles))))
9245 (gnus-read-move-group-name
9246 (cadr (assq action names))
9247 (symbol-value (intern (format "gnus-current-%s-group" action)))
9249 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
9250 (setq to-method (or select-method
9251 (gnus-server-to-method
9252 (gnus-group-method to-newsgroup))))
9253 ;; Check the method we are to move this article to...
9254 (unless (gnus-check-backend-function
9255 'request-accept-article (car to-method))
9256 (error "%s does not support article copying" (car to-method)))
9257 (unless (gnus-check-server to-method)
9258 (error "Can't open server %s" (car to-method)))
9259 (gnus-message 6 "%s to %s: %s..."
9260 (caddr (assq action names))
9261 (or (car select-method) to-newsgroup) articles)
9263 (setq article (pop articles))
9267 ;; Move the article.
9269 ;; Remove this article from future suppression.
9270 (gnus-dup-unsuppress-article article)
9271 (let* ((from-method (gnus-find-method-for-group
9272 gnus-newsgroup-name))
9273 (to-method (gnus-find-method-for-group
9275 (move-is-internal (gnus-method-equal from-method to-method)))
9276 (gnus-request-move-article
9277 article ; Article to move
9278 gnus-newsgroup-name ; From newsgroup
9279 (nth 1 (gnus-find-method-for-group
9280 gnus-newsgroup-name)) ; Server
9281 (list 'gnus-request-accept-article
9282 to-newsgroup (list 'quote select-method)
9283 (not articles) t) ; Accept form
9284 (not articles) ; Only save nov last time
9285 move-is-internal))) ; is this move internal?
9286 ;; Copy the article.
9289 (set-buffer copy-buf)
9290 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9292 (nnheader-narrow-to-headers)
9293 (dolist (hdr gnus-copy-article-ignored-headers)
9294 (message-remove-header hdr t)))
9295 (gnus-request-accept-article
9296 to-newsgroup select-method (not articles) t))))
9297 ;; Crosspost the article.
9298 ((eq action 'crosspost)
9299 (let ((xref (message-tokenize-header
9300 (mail-header-xref (gnus-summary-article-header article))
9302 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9303 ":" (number-to-string article)))
9305 (setq xref (list (system-name))))
9308 (mapconcat 'identity
9309 (delete "Xref:" (delete new-xref xref))
9313 (set-buffer copy-buf)
9314 ;; First put the article in the destination group.
9315 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9316 (when (consp (setq art-group
9317 (gnus-request-accept-article
9318 to-newsgroup select-method (not articles))))
9319 (setq new-xref (concat new-xref " " (car art-group)
9321 (number-to-string (cdr art-group))))
9322 ;; Now we have the new Xrefs header, so we insert
9323 ;; it and replace the new article.
9324 (nnheader-replace-header "Xref" new-xref)
9325 (gnus-request-replace-article
9326 (cdr art-group) to-newsgroup (current-buffer))
9330 (gnus-message 1 "Couldn't %s article %s: %s"
9331 (cadr (assq action names)) article
9332 (nnheader-get-report (car to-method))))
9333 ((eq art-group 'junk)
9334 (when (eq action 'move)
9335 (gnus-summary-mark-article article gnus-canceled-mark)
9336 (gnus-message 4 "Deleted article %s" article)
9337 ;; run the delete hook
9338 (run-hook-with-args 'gnus-summary-article-delete-hook
9341 (assoc article (gnus-data-list nil)))
9342 gnus-newsgroup-name nil
9345 (let* ((pto-group (gnus-group-prefixed-name
9346 (car art-group) to-method))
9347 (info (gnus-get-info pto-group))
9348 (to-group (gnus-info-group info))
9350 ;; Update the group that has been moved to.
9352 (memq action '(move copy)))
9353 (unless (member to-group to-groups)
9354 (push to-group to-groups))
9356 (unless (memq article gnus-newsgroup-unreads)
9357 (push 'read to-marks)
9359 info (gnus-add-to-range (gnus-info-read info)
9360 (list (cdr art-group)))))
9362 ;; See whether the article is to be put in the cache.
9363 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9364 gnus-article-mark-lists
9365 (delete '(expirable . expire)
9366 (copy-sequence gnus-article-mark-lists))))
9367 (to-article (cdr art-group)))
9369 ;; Enter the article into the cache in the new group,
9370 ;; if that is required.
9371 (when gnus-use-cache
9372 (gnus-cache-possibly-enter-article
9374 (memq article gnus-newsgroup-marked)
9375 (memq article gnus-newsgroup-dormant)
9376 (memq article gnus-newsgroup-unreads)))
9378 (when gnus-preserve-marks
9379 ;; Copy any marks over to the new group.
9380 (when (and (equal to-group gnus-newsgroup-name)
9381 (not (memq article gnus-newsgroup-unreads)))
9382 ;; Mark this article as read in this group.
9383 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9384 (setcdr (gnus-active to-group) to-article)
9385 (setcdr gnus-newsgroup-active to-article))
9388 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9389 (when (memq article (symbol-value
9390 (intern (format "gnus-newsgroup-%s"
9392 (push (cdar marks) to-marks)
9393 ;; If the other group is the same as this group,
9394 ;; then we have to add the mark to the list.
9395 (when (equal to-group gnus-newsgroup-name)
9396 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9399 (intern (format "gnus-newsgroup-%s"
9401 ;; Copy the marks to other group.
9402 (gnus-add-marked-articles
9403 to-group (cdar marks) (list to-article) info)))
9404 (setq marks (cdr marks)))
9406 (gnus-request-set-mark
9407 to-group (list (list (list to-article) 'add to-marks))))
9410 (concat "(gnus-group-set-info '"
9411 (gnus-prin1-to-string (gnus-get-info to-group))
9414 ;; Update the Xref header in this article to point to
9415 ;; the new crossposted article we have just created.
9416 (when (eq action 'crosspost)
9418 (set-buffer copy-buf)
9419 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9420 (nnheader-replace-header "Xref" new-xref)
9421 (gnus-request-replace-article
9422 article gnus-newsgroup-name (current-buffer))))
9424 ;; run the move/copy/crosspost/respool hook
9425 (run-hook-with-args 'gnus-summary-article-move-hook
9428 (assoc article (gnus-data-list nil)))
9433 ;;;!!!Why is this necessary?
9434 (set-buffer gnus-summary-buffer)
9436 (gnus-summary-goto-subject article)
9437 (when (eq action 'move)
9438 (gnus-summary-mark-article article gnus-canceled-mark))))
9439 (push article articles-to-update-marks))
9441 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9442 ;; Re-activate all groups that have been moved to.
9444 (set-buffer gnus-group-buffer)
9445 (let ((gnus-group-marked to-groups))
9446 (gnus-group-get-new-news-this-group nil t)))
9448 (gnus-kill-buffer copy-buf)
9449 (gnus-summary-position-point)
9450 (gnus-set-mode-line 'summary)))
9452 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9453 "Copy the current article to some other group.
9454 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9455 When called interactively, if TO-NEWSGROUP is nil, use the value of
9456 the variable `gnus-move-split-methods' for finding a default target
9458 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9459 re-spool using this method."
9461 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9463 (defun gnus-summary-crosspost-article (&optional n)
9464 "Crosspost the current article to some other group."
9466 (gnus-summary-move-article n nil nil 'crosspost))
9468 (defcustom gnus-summary-respool-default-method nil
9469 "Default method type for respooling an article.
9470 If nil, use to the current newsgroup method."
9472 :group 'gnus-summary-mail)
9474 (defcustom gnus-summary-display-while-building nil
9475 "If non-nil, show and update the summary buffer as it's being built.
9476 If the value is t, update the buffer after every line is inserted. If
9477 the value is an integer (N), update the display every N lines."
9480 :type '(choice (const :tag "off" nil)
9482 (const :tag "frequently" t)))
9484 (defun gnus-summary-respool-article (&optional n method)
9485 "Respool the current article.
9486 The article will be squeezed through the mail spooling process again,
9487 which means that it will be put in some mail newsgroup or other
9488 depending on `nnmail-split-methods'.
9489 If N is a positive number, respool the N next articles.
9490 If N is a negative number, respool the N previous articles.
9491 If N is nil and any articles have been marked with the process mark,
9492 respool those articles instead.
9494 Respooling can be done both from mail groups and \"real\" newsgroups.
9495 In the former case, the articles in question will be moved from the
9496 current group into whatever groups they are destined to. In the
9497 latter case, they will be copied into the relevant groups."
9499 (list current-prefix-arg
9500 (let* ((methods (gnus-methods-using 'respool))
9502 (symbol-name (or gnus-summary-respool-default-method
9503 (car (gnus-find-method-for-group
9504 gnus-newsgroup-name)))))
9506 (gnus-completing-read-with-default
9507 methname "Backend to use when respooling"
9508 methods nil t nil 'gnus-mail-method-history))
9511 ((zerop (length (setq ms (gnus-servers-using-backend
9513 (list (intern method) ""))
9517 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9518 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9521 (error "No method given for respooling"))
9522 (if (assoc (symbol-name
9523 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9524 (gnus-methods-using 'respool))
9525 (gnus-summary-move-article n nil method)
9526 (gnus-summary-copy-article n nil method)))
9528 (defun gnus-summary-import-article (file &optional edit)
9529 "Import an arbitrary file into a mail newsgroup."
9530 (interactive "fImport file: \nP")
9531 (let ((group gnus-newsgroup-name)
9532 (now (current-time))
9533 atts lines group-art)
9534 (unless (gnus-check-backend-function 'request-accept-article group)
9535 (error "%s does not support article importing" group))
9536 (or (file-readable-p file)
9537 (not (file-regular-p file))
9538 (error "Can't read %s" file))
9540 (set-buffer (gnus-get-buffer-create " *import file*"))
9542 (nnheader-insert-file-contents file)
9543 (goto-char (point-min))
9544 (if (nnheader-article-p)
9546 (goto-char (point-min))
9547 (search-forward "\n\n" nil t)
9548 (narrow-to-region (point-min) (1- (point)))
9549 (goto-char (point-min))
9550 (unless (re-search-forward "^date:" nil t)
9551 (goto-char (point-max))
9552 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9553 ;; This doesn't look like an article, so we fudge some headers.
9554 (setq atts (file-attributes file)
9555 lines (count-lines (point-min) (point-max)))
9556 (insert "From: " (read-string "From: ") "\n"
9557 "Subject: " (read-string "Subject: ") "\n"
9558 "Date: " (message-make-date (nth 5 atts)) "\n"
9559 "Message-ID: " (message-make-message-id) "\n"
9560 "Lines: " (int-to-string lines) "\n"
9561 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9562 (setq group-art (gnus-request-accept-article group nil t))
9563 (kill-buffer (current-buffer)))
9564 (setq gnus-newsgroup-active (gnus-activate-group group))
9566 (gnus-summary-goto-article (cdr group-art) nil t)
9568 (gnus-summary-edit-article))))
9570 (defun gnus-summary-create-article ()
9571 "Create an article in a mail newsgroup."
9573 (let ((group gnus-newsgroup-name)
9574 (now (current-time))
9576 (unless (gnus-check-backend-function 'request-accept-article group)
9577 (error "%s does not support article importing" group))
9579 (set-buffer (gnus-get-buffer-create " *import file*"))
9581 (goto-char (point-min))
9582 ;; This doesn't look like an article, so we fudge some headers.
9583 (insert "From: " (read-string "From: ") "\n"
9584 "Subject: " (read-string "Subject: ") "\n"
9585 "Date: " (message-make-date now) "\n"
9586 "Message-ID: " (message-make-message-id) "\n")
9587 (setq group-art (gnus-request-accept-article group nil t))
9588 (kill-buffer (current-buffer)))
9589 (setq gnus-newsgroup-active (gnus-activate-group group))
9591 (gnus-summary-goto-article (cdr group-art) nil t)
9592 (gnus-summary-edit-article)))
9594 (defun gnus-summary-article-posted-p ()
9595 "Say whether the current (mail) article is available from news as well.
9596 This will be the case if the article has both been mailed and posted."
9598 (let ((id (mail-header-references (gnus-summary-article-header)))
9599 (gnus-override-method (car (gnus-refer-article-methods))))
9600 (if (gnus-request-head id "")
9601 (gnus-message 2 "The current message was found on %s"
9602 gnus-override-method)
9603 (gnus-message 2 "The current message couldn't be found on %s"
9604 gnus-override-method)
9607 (defun gnus-summary-expire-articles (&optional now)
9608 "Expire all articles that are marked as expirable in the current group."
9610 (when (and (not gnus-group-is-exiting-without-update-p)
9611 (gnus-check-backend-function
9612 'request-expire-articles gnus-newsgroup-name))
9613 ;; This backend supports expiry.
9614 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9615 (expirable (if total
9617 ;; We need to update the info for
9618 ;; this group for `gnus-list-of-read-articles'
9619 ;; to give us the right answer.
9620 (gnus-run-hooks 'gnus-exit-group-hook)
9621 (gnus-summary-update-info)
9622 (gnus-list-of-read-articles gnus-newsgroup-name))
9623 (setq gnus-newsgroup-expirable
9624 (sort gnus-newsgroup-expirable '<))))
9625 (expiry-wait (if now 'immediate
9626 (gnus-group-find-parameter
9627 gnus-newsgroup-name 'expiry-wait)))
9628 (nnmail-expiry-target
9629 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9630 nnmail-expiry-target))
9633 ;; There are expirable articles in this group, so we run them
9634 ;; through the expiry process.
9635 (gnus-message 6 "Expiring articles...")
9636 (unless (gnus-check-group gnus-newsgroup-name)
9637 (error "Can't open server for %s" gnus-newsgroup-name))
9638 ;; The list of articles that weren't expired is returned.
9641 (let ((nnmail-expiry-wait-function nil)
9642 (nnmail-expiry-wait expiry-wait))
9643 (setq es (gnus-request-expire-articles
9644 expirable gnus-newsgroup-name)))
9645 (setq es (gnus-request-expire-articles
9646 expirable gnus-newsgroup-name)))
9648 (setq gnus-newsgroup-expirable es))
9649 ;; We go through the old list of expirable, and mark all
9650 ;; really expired articles as nonexistent.
9651 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9652 (let ((gnus-use-cache nil))
9653 (dolist (article expirable)
9654 (when (and (not (memq article es))
9655 (gnus-data-find article))
9656 (gnus-summary-mark-article article gnus-canceled-mark)
9657 (run-hook-with-args 'gnus-summary-article-expire-hook
9660 (assoc article (gnus-data-list nil)))
9664 (gnus-message 6 "Expiring articles...done")))))
9666 (defun gnus-summary-expire-articles-now ()
9667 "Expunge all expirable articles in the current group.
9668 This means that *all* articles that are marked as expirable will be
9669 deleted forever, right now."
9671 (or gnus-expert-user
9673 "Are you really, really, really sure you want to delete all these messages? ")
9675 (gnus-summary-expire-articles t))
9677 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9678 (defun gnus-summary-delete-article (&optional n)
9679 "Delete the N next (mail) articles.
9680 This command actually deletes articles. This is not a marking
9681 command. The article will disappear forever from your life, never to
9684 If N is negative, delete backwards.
9685 If N is nil and articles have been marked with the process mark,
9686 delete these instead.
9688 If `gnus-novice-user' is non-nil you will be asked for
9689 confirmation before the articles are deleted."
9691 (unless (gnus-check-backend-function 'request-expire-articles
9692 gnus-newsgroup-name)
9693 (error "The current newsgroup does not support article deletion"))
9694 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9695 (error "Couldn't open server"))
9696 ;; Compute the list of articles to delete.
9697 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9698 (nnmail-expiry-target 'delete)
9700 (if (and gnus-novice-user
9701 (not (gnus-yes-or-no-p
9702 (format "Do you really want to delete %s forever? "
9703 (if (> (length articles) 1)
9704 (format "these %s articles" (length articles))
9707 ;; Delete the articles.
9708 (setq not-deleted (gnus-request-expire-articles
9709 articles gnus-newsgroup-name 'force))
9711 (gnus-summary-remove-process-mark (car articles))
9712 ;; The backend might not have been able to delete the article
9714 (unless (memq (car articles) not-deleted)
9715 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9716 (let* ((article (car articles))
9717 (ghead (gnus-data-header
9718 (assoc article (gnus-data-list nil)))))
9719 (run-hook-with-args 'gnus-summary-article-delete-hook
9720 'delete ghead gnus-newsgroup-name nil
9722 (setq articles (cdr articles)))
9724 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9725 (gnus-summary-position-point)
9726 (gnus-set-mode-line 'summary)
9729 (defun gnus-summary-edit-article (&optional arg)
9730 "Edit the current article.
9731 This will have permanent effect only in mail groups.
9732 If ARG is nil, edit the decoded articles.
9733 If ARG is 1, edit the raw articles.
9734 If ARG is 2, edit the raw articles even in read-only groups.
9735 If ARG is 3, edit the articles with the current handles.
9736 Otherwise, allow editing of articles even in read-only
9739 (let (force raw current-handles)
9748 (setq current-handles
9749 (and (gnus-buffer-live-p gnus-article-buffer)
9750 (with-current-buffer gnus-article-buffer
9752 gnus-article-mime-handles
9753 (setq gnus-article-mime-handles nil))))))
9756 (when (and raw (not force)
9757 (member gnus-newsgroup-name '("nndraft:delayed"
9760 (error "Can't edit the raw article in group %s"
9761 gnus-newsgroup-name))
9763 (set-buffer gnus-summary-buffer)
9764 (let ((mail-parse-charset gnus-newsgroup-charset)
9765 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9766 (gnus-set-global-variables)
9767 (when (and (not force)
9768 (gnus-group-read-only-p))
9769 (error "The current newsgroup does not support article editing"))
9770 (gnus-summary-show-article t)
9771 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9772 (with-current-buffer gnus-article-buffer
9773 (mm-enable-multibyte)))
9774 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9776 (gnus-article-edit-article
9779 (let ((mbl mml-buffer-list))
9780 (setq mml-buffer-list nil)
9781 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
9782 (mime-to-mml ,'current-handles))
9783 (let ((mbl1 mml-buffer-list))
9784 (setq mml-buffer-list mbl)
9785 (set (make-local-variable 'mml-buffer-list) mbl1))
9786 (gnus-make-local-hook 'kill-buffer-hook)
9787 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9788 `(lambda (no-highlight)
9789 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9790 (message-options message-options)
9791 (message-options-set-recipient)
9792 (mail-parse-ignored-charsets
9793 ',gnus-newsgroup-ignored-charsets))
9794 ,(if (not raw) '(progn
9796 (mml-destroy-buffers)
9797 (remove-hook 'kill-buffer-hook
9798 'mml-destroy-buffers t)
9799 (kill-local-variable 'mml-buffer-list)))
9800 (gnus-summary-edit-article-done
9801 ,(or (mail-header-references gnus-current-headers) "")
9802 ,(gnus-group-read-only-p)
9803 ,gnus-summary-buffer no-highlight))))))))
9805 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9807 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9809 "Make edits to the current article permanent."
9812 ;; The buffer restriction contains the entire article if it exists.
9813 (when (article-goto-body)
9814 (let ((lines (count-lines (point) (point-max)))
9815 (length (- (point-max) (point)))
9816 (case-fold-search t)
9817 (body (copy-marker (point))))
9818 (goto-char (point-min))
9819 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9820 (delete-region (match-beginning 1) (match-end 1))
9821 (insert (number-to-string length)))
9822 (goto-char (point-min))
9823 (when (re-search-forward
9824 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9825 (delete-region (match-beginning 1) (match-end 1))
9826 (insert (number-to-string length)))
9827 (goto-char (point-min))
9828 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9829 (delete-region (match-beginning 1) (match-end 1))
9830 (insert (number-to-string lines))))))
9831 ;; Replace the article.
9832 (let ((buf (current-buffer)))
9834 (insert-buffer-substring buf)
9836 (if (and (not read-only)
9837 (not (gnus-request-replace-article
9838 (cdr gnus-article-current) (car gnus-article-current)
9839 (current-buffer) t)))
9840 (error "Couldn't replace article")
9841 ;; Update the summary buffer.
9843 (equal (message-tokenize-header references " ")
9844 (message-tokenize-header
9845 (or (message-fetch-field "references") "") " ")))
9846 ;; We only have to update this line.
9849 (message-narrow-to-head)
9850 (let ((head (buffer-substring-no-properties
9851 (point-min) (point-max)))
9854 (insert (format "211 %d Article retrieved.\n"
9855 (cdr gnus-article-current)))
9858 (let ((nntp-server-buffer (current-buffer)))
9859 (setq header (car (gnus-get-newsgroup-headers
9862 (set-buffer gnus-summary-buffer)
9863 (gnus-data-set-header
9864 (gnus-data-find (cdr gnus-article-current))
9866 (gnus-summary-update-article-line
9867 (cdr gnus-article-current) header)
9868 (if (gnus-summary-goto-subject
9869 (cdr gnus-article-current) nil t)
9870 (gnus-summary-update-secondary-mark
9871 (cdr gnus-article-current))))))))
9873 (set-buffer (or buffer gnus-summary-buffer))
9874 (gnus-summary-update-article (cdr gnus-article-current))
9875 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9876 (gnus-summary-update-secondary-mark
9877 (cdr gnus-article-current))))
9878 ;; Prettify the article buffer again.
9879 (unless no-highlight
9881 (set-buffer gnus-article-buffer)
9882 ;;;!!! Fix this -- article should be rehighlighted.
9883 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9884 (set-buffer gnus-original-article-buffer)
9885 (gnus-request-article
9886 (cdr gnus-article-current)
9887 (car gnus-article-current) (current-buffer))))
9888 ;; Prettify the summary buffer line.
9889 (when (gnus-visual-p 'summary-highlight 'highlight)
9890 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9892 (defun gnus-summary-edit-wash (key)
9893 "Perform editing command KEY in the article buffer."
9897 (message "%s" (concat (this-command-keys) "- "))
9900 (gnus-summary-edit-article)
9901 (execute-kbd-macro (concat (this-command-keys) key))
9902 (gnus-article-edit-done))
9906 (defun gnus-summary-respool-query (&optional silent trace)
9907 "Query where the respool algorithm would put this article."
9909 (let (gnus-mark-article-hook)
9910 (gnus-summary-select-article)
9912 (set-buffer gnus-original-article-buffer)
9913 (let ((groups (nnmail-article-group 'identity trace)))
9916 (message "This message would go to %s"
9917 (mapconcat 'car groups ", "))
9918 (message "This message would go to no groups"))
9921 (defun gnus-summary-respool-trace ()
9922 "Trace where the respool algorithm would put this article.
9923 Display a buffer showing all fancy splitting patterns which matched."
9925 (gnus-summary-respool-query nil t))
9927 ;; Summary marking commands.
9929 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9930 "Mark articles which has the same subject as read, and then select the next.
9931 If UNMARK is positive, remove any kind of mark.
9932 If UNMARK is negative, tick articles."
9935 (setq unmark (prefix-numeric-value unmark)))
9937 (gnus-summary-mark-same-subject
9938 (gnus-summary-article-subject) unmark)))
9939 ;; Select next unread article. If auto-select-same mode, should
9940 ;; select the first unread article.
9941 (gnus-summary-next-article t (and gnus-auto-select-same
9942 (gnus-summary-article-subject)))
9943 (gnus-message 7 "%d article%s marked as %s"
9944 count (if (= count 1) " is" "s are")
9945 (if unmark "unread" "read"))))
9947 (defun gnus-summary-kill-same-subject (&optional unmark)
9948 "Mark articles which has the same subject as read.
9949 If UNMARK is positive, remove any kind of mark.
9950 If UNMARK is negative, tick articles."
9953 (setq unmark (prefix-numeric-value unmark)))
9955 (gnus-summary-mark-same-subject
9956 (gnus-summary-article-subject) unmark)))
9957 ;; If marked as read, go to next unread subject.
9959 ;; Go to next unread subject.
9960 (gnus-summary-next-subject 1 t))
9961 (gnus-message 7 "%d articles are marked as %s"
9962 count (if unmark "unread" "read"))))
9964 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9965 "Mark articles with same SUBJECT as read, and return marked number.
9966 If optional argument UNMARK is positive, remove any kinds of marks.
9967 If optional argument UNMARK is negative, mark articles as unread instead."
9971 ((null unmark) ; Mark as read.
9974 (gnus-summary-mark-article-as-read gnus-killed-mark)
9975 (gnus-summary-show-thread) t)
9976 (gnus-summary-find-subject subject))
9977 (setq count (1+ count))))
9978 ((> unmark 0) ; Tick.
9981 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9982 (gnus-summary-show-thread) t)
9983 (gnus-summary-find-subject subject))
9984 (setq count (1+ count))))
9985 (t ; Mark as unread.
9988 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9989 (gnus-summary-show-thread) t)
9990 (gnus-summary-find-subject subject))
9991 (setq count (1+ count)))))
9992 (gnus-set-mode-line 'summary)
9993 ;; Return the number of marked articles.
9996 (defun gnus-summary-mark-as-processable (n &optional unmark)
9997 "Set the process mark on the next N articles.
9998 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9999 the process mark instead. The difference between N and the actual
10000 number of articles marked is returned."
10002 (if (and (null n) (gnus-region-active-p))
10003 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10004 (setq n (prefix-numeric-value n))
10005 (let ((backward (< n 0))
10010 (gnus-summary-remove-process-mark
10011 (gnus-summary-article-number))
10012 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10013 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10016 (gnus-message 7 "No more articles"))
10017 (gnus-summary-recenter)
10018 (gnus-summary-position-point)
10021 (defun gnus-summary-unmark-as-processable (n)
10022 "Remove the process mark from the next N articles.
10023 If N is negative, unmark backward instead. The difference between N and
10024 the actual number of articles unmarked is returned."
10026 (gnus-summary-mark-as-processable n t))
10028 (defun gnus-summary-unmark-all-processable ()
10029 "Remove the process mark from all articles."
10032 (while gnus-newsgroup-processable
10033 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10034 (gnus-summary-position-point))
10036 (defun gnus-summary-add-mark (article type)
10037 "Mark ARTICLE with a mark of TYPE."
10038 (let ((vtype (car (assq type gnus-article-mark-lists)))
10041 (error "No such mark type: %s" type)
10042 (setq var (intern (format "gnus-newsgroup-%s" type)))
10043 (set var (cons article (symbol-value var)))
10044 (if (memq type '(processable cached replied forwarded recent saved))
10045 (gnus-summary-update-secondary-mark article)
10046 ;;; !!! This is bogus. We should find out what primary
10047 ;;; !!! mark we want to set.
10048 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10050 (defun gnus-summary-mark-as-expirable (n)
10051 "Mark N articles forward as expirable.
10052 If N is negative, mark backward instead. The difference between N and
10053 the actual number of articles marked is returned."
10055 (gnus-summary-mark-forward n gnus-expirable-mark))
10057 (defun gnus-summary-mark-as-spam (n)
10058 "Mark N articles forward as spam.
10059 If N is negative, mark backward instead. The difference between N and
10060 the actual number of articles marked is returned."
10062 (gnus-summary-mark-forward n gnus-spam-mark))
10064 (defun gnus-summary-mark-article-as-replied (article)
10065 "Mark ARTICLE as replied to and update the summary line.
10066 ARTICLE can also be a list of articles."
10067 (interactive (list (gnus-summary-article-number)))
10068 (let ((articles (if (listp article) article (list article))))
10069 (dolist (article articles)
10070 (unless (numberp article)
10071 (error "%s is not a number" article))
10072 (push article gnus-newsgroup-replied)
10073 (let ((buffer-read-only nil))
10074 (when (gnus-summary-goto-subject article nil t)
10075 (gnus-summary-update-secondary-mark article))))))
10077 (defun gnus-summary-mark-article-as-forwarded (article)
10078 "Mark ARTICLE as forwarded and update the summary line.
10079 ARTICLE can also be a list of articles."
10080 (let ((articles (if (listp article) article (list article))))
10081 (dolist (article articles)
10082 (push article gnus-newsgroup-forwarded)
10083 (let ((buffer-read-only nil))
10084 (when (gnus-summary-goto-subject article nil t)
10085 (gnus-summary-update-secondary-mark article))))))
10087 (defun gnus-summary-set-bookmark (article)
10088 "Set a bookmark in current article."
10089 (interactive (list (gnus-summary-article-number)))
10090 (when (or (not (get-buffer gnus-article-buffer))
10091 (not gnus-current-article)
10092 (not gnus-article-current)
10093 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10094 (error "No current article selected"))
10095 ;; Remove old bookmark, if one exists.
10096 (gnus-pull article gnus-newsgroup-bookmarks)
10097 ;; Set the new bookmark, which is on the form
10098 ;; (article-number . line-number-in-body).
10101 (with-current-buffer gnus-article-buffer
10105 (article-goto-body)
10108 gnus-newsgroup-bookmarks)
10109 (gnus-message 6 "A bookmark has been added to the current article."))
10111 (defun gnus-summary-remove-bookmark (article)
10112 "Remove the bookmark from the current article."
10113 (interactive (list (gnus-summary-article-number)))
10114 ;; Remove old bookmark, if one exists.
10115 (if (not (assq article gnus-newsgroup-bookmarks))
10116 (gnus-message 6 "No bookmark in current article.")
10117 (gnus-pull article gnus-newsgroup-bookmarks)
10118 (gnus-message 6 "Removed bookmark.")))
10120 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10121 (defun gnus-summary-mark-as-dormant (n)
10122 "Mark N articles forward as dormant.
10123 If N is negative, mark backward instead. The difference between N and
10124 the actual number of articles marked is returned."
10126 (gnus-summary-mark-forward n gnus-dormant-mark))
10128 (defun gnus-summary-set-process-mark (article)
10129 "Set the process mark on ARTICLE and update the summary line."
10130 (setq gnus-newsgroup-processable
10132 (delq article gnus-newsgroup-processable)))
10133 (when (gnus-summary-goto-subject article)
10134 (gnus-summary-show-thread)
10135 (gnus-summary-goto-subject article)
10136 (gnus-summary-update-secondary-mark article)))
10138 (defun gnus-summary-remove-process-mark (&rest articles)
10139 "Remove the process mark from ARTICLES and update the summary line."
10140 (dolist (article articles)
10141 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10142 (when (gnus-summary-goto-subject article)
10143 (gnus-summary-show-thread)
10144 (gnus-summary-goto-subject article)
10145 (gnus-summary-update-secondary-mark article)))
10148 (defun gnus-summary-set-saved-mark (article)
10149 "Set the process mark on ARTICLE and update the summary line."
10150 (push article gnus-newsgroup-saved)
10151 (when (gnus-summary-goto-subject article)
10152 (gnus-summary-update-secondary-mark article)))
10154 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10155 "Mark N articles as read forwards.
10156 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10157 The difference between N and the actual number of articles marked is
10159 If NO-EXPIRE, auto-expiry will be inhibited."
10161 (gnus-summary-show-thread)
10162 (let ((backward (< n 0))
10163 (gnus-summary-goto-unread
10164 (and gnus-summary-goto-unread
10165 (not (eq gnus-summary-goto-unread 'never))
10166 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10167 gnus-ticked-mark gnus-dormant-mark)))))
10169 (mark (or mark gnus-del-mark)))
10170 (while (and (> n 0)
10171 (gnus-summary-mark-article nil mark no-expire)
10172 (zerop (gnus-summary-next-subject
10174 (and gnus-summary-goto-unread
10175 (not (eq gnus-summary-goto-unread 'never)))
10179 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10180 (gnus-summary-recenter)
10181 (gnus-summary-position-point)
10182 (gnus-set-mode-line 'summary)
10185 (defun gnus-summary-mark-article-as-read (mark)
10186 "Mark the current article quickly as read with MARK."
10187 (let ((article (gnus-summary-article-number)))
10188 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10189 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10190 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10191 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10192 (push (cons article mark) gnus-newsgroup-reads)
10193 ;; Possibly remove from cache, if that is used.
10194 (when gnus-use-cache
10195 (gnus-cache-enter-remove-article article))
10196 ;; Allow the backend to change the mark.
10197 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10198 ;; Check for auto-expiry.
10199 (when (and gnus-newsgroup-auto-expire
10200 (memq mark gnus-auto-expirable-marks))
10201 (setq mark gnus-expirable-mark)
10202 ;; Let the backend know about the mark change.
10203 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10204 (push article gnus-newsgroup-expirable))
10205 ;; Set the mark in the buffer.
10206 (gnus-summary-update-mark mark 'unread)
10209 (defun gnus-summary-mark-article-as-unread (mark)
10210 "Mark the current article quickly as unread with MARK."
10211 (let* ((article (gnus-summary-article-number))
10212 (old-mark (gnus-summary-article-mark article)))
10213 ;; Allow the backend to change the mark.
10214 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10215 (if (eq mark old-mark)
10219 (gnus-error 1 "Can't mark negative article numbers")
10221 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10222 (setq gnus-newsgroup-spam-marked
10223 (delq article gnus-newsgroup-spam-marked))
10224 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10225 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10226 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10227 (cond ((= mark gnus-ticked-mark)
10228 (setq gnus-newsgroup-marked
10229 (gnus-add-to-sorted-list gnus-newsgroup-marked
10231 ((= mark gnus-spam-mark)
10232 (setq gnus-newsgroup-spam-marked
10233 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10235 ((= mark gnus-dormant-mark)
10236 (setq gnus-newsgroup-dormant
10237 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10240 (setq gnus-newsgroup-unreads
10241 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10243 (gnus-pull article gnus-newsgroup-reads)
10245 ;; See whether the article is to be put in the cache.
10246 (and gnus-use-cache
10247 (vectorp (gnus-summary-article-header article))
10249 (gnus-cache-possibly-enter-article
10250 gnus-newsgroup-name article
10251 (= mark gnus-ticked-mark)
10252 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10255 (gnus-summary-update-mark mark 'unread)
10258 (defun gnus-summary-mark-article (&optional article mark no-expire)
10259 "Mark ARTICLE with MARK. MARK can be any character.
10260 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10261 `??' (dormant) and `?E' (expirable).
10262 If MARK is nil, then the default character `?r' is used.
10263 If ARTICLE is nil, then the article on the current line will be
10265 If NO-EXPIRE, auto-expiry will be inhibited."
10266 ;; The mark might be a string.
10267 (when (stringp mark)
10268 (setq mark (aref mark 0)))
10269 ;; If no mark is given, then we check auto-expiring.
10271 (setq mark gnus-del-mark))
10272 (when (and (not no-expire)
10273 gnus-newsgroup-auto-expire
10274 (memq mark gnus-auto-expirable-marks))
10275 (setq mark gnus-expirable-mark))
10276 (let ((article (or article (gnus-summary-article-number)))
10277 (old-mark (gnus-summary-article-mark article)))
10278 ;; Allow the backend to change the mark.
10279 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10280 (if (eq mark old-mark)
10283 (error "No article on current line"))
10284 (if (not (if (or (= mark gnus-unread-mark)
10285 (= mark gnus-ticked-mark)
10286 (= mark gnus-spam-mark)
10287 (= mark gnus-dormant-mark))
10288 (gnus-mark-article-as-unread article mark)
10289 (gnus-mark-article-as-read article mark)))
10291 ;; See whether the article is to be put in the cache.
10292 (and gnus-use-cache
10293 (not (= mark gnus-canceled-mark))
10294 (vectorp (gnus-summary-article-header article))
10296 (gnus-cache-possibly-enter-article
10297 gnus-newsgroup-name article
10298 (= mark gnus-ticked-mark)
10299 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10301 (when (gnus-summary-goto-subject article nil t)
10302 (let ((buffer-read-only nil))
10303 (gnus-summary-show-thread)
10305 (gnus-summary-update-mark mark 'unread)
10308 (defun gnus-summary-update-secondary-mark (article)
10309 "Update the secondary (read, process, cache) mark."
10310 (gnus-summary-update-mark
10311 (cond ((memq article gnus-newsgroup-processable)
10313 ((memq article gnus-newsgroup-cached)
10315 ((memq article gnus-newsgroup-replied)
10317 ((memq article gnus-newsgroup-forwarded)
10318 gnus-forwarded-mark)
10319 ((memq article gnus-newsgroup-saved)
10321 ((memq article gnus-newsgroup-recent)
10323 ((memq article gnus-newsgroup-unseen)
10327 (when (gnus-visual-p 'summary-highlight 'highlight)
10328 (gnus-run-hooks 'gnus-summary-update-hook))
10331 (defun gnus-summary-update-download-mark (article)
10332 "Update the download mark."
10333 (gnus-summary-update-mark
10334 (cond ((memq article gnus-newsgroup-undownloaded)
10335 gnus-undownloaded-mark)
10336 (gnus-newsgroup-agentized
10337 gnus-downloaded-mark)
10341 (gnus-summary-update-line t)
10344 (defun gnus-summary-update-mark (mark type)
10345 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10346 (buffer-read-only nil))
10347 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10349 (when (looking-at "\r")
10351 (when (<= (+ forward (point)) (point-max))
10352 ;; Go to the right position on the line.
10353 (goto-char (+ forward (point)))
10354 ;; Replace the old mark with the new mark.
10355 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10356 ;; Optionally update the marks by some user rule.
10357 (when (eq type 'unread)
10358 (gnus-data-set-mark
10359 (gnus-data-find (gnus-summary-article-number)) mark)
10360 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10362 (defun gnus-mark-article-as-read (article &optional mark)
10363 "Enter ARTICLE in the pertinent lists and remove it from others."
10364 ;; Make the article expirable.
10365 (let ((mark (or mark gnus-del-mark)))
10366 (setq gnus-newsgroup-expirable
10367 (if (= mark gnus-expirable-mark)
10368 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10369 (delq article gnus-newsgroup-expirable)))
10370 ;; Remove from unread and marked lists.
10371 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10372 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10373 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10374 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10375 (push (cons article mark) gnus-newsgroup-reads)
10376 ;; Possibly remove from cache, if that is used.
10377 (when gnus-use-cache
10378 (gnus-cache-enter-remove-article article))
10381 (defun gnus-mark-article-as-unread (article &optional mark)
10382 "Enter ARTICLE in the pertinent lists and remove it from others."
10383 (let ((mark (or mark gnus-ticked-mark)))
10386 (gnus-error 1 "Can't mark negative article numbers")
10388 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10389 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10390 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10391 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10392 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10394 ;; Unsuppress duplicates?
10395 (when gnus-suppress-duplicates
10396 (gnus-dup-unsuppress-article article))
10398 (cond ((= mark gnus-ticked-mark)
10399 (setq gnus-newsgroup-marked
10400 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10401 ((= mark gnus-spam-mark)
10402 (setq gnus-newsgroup-spam-marked
10403 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10405 ((= mark gnus-dormant-mark)
10406 (setq gnus-newsgroup-dormant
10407 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10409 (setq gnus-newsgroup-unreads
10410 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10411 (gnus-pull article gnus-newsgroup-reads)
10414 (defalias 'gnus-summary-mark-as-unread-forward
10415 'gnus-summary-tick-article-forward)
10416 (make-obsolete 'gnus-summary-mark-as-unread-forward
10417 'gnus-summary-tick-article-forward)
10418 (defun gnus-summary-tick-article-forward (n)
10419 "Tick N articles forwards.
10420 If N is negative, tick backwards instead.
10421 The difference between N and the number of articles ticked is returned."
10423 (gnus-summary-mark-forward n gnus-ticked-mark))
10425 (defalias 'gnus-summary-mark-as-unread-backward
10426 'gnus-summary-tick-article-backward)
10427 (make-obsolete 'gnus-summary-mark-as-unread-backward
10428 'gnus-summary-tick-article-backward)
10429 (defun gnus-summary-tick-article-backward (n)
10430 "Tick N articles backwards.
10431 The difference between N and the number of articles ticked is returned."
10433 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10435 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10436 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10437 (defun gnus-summary-tick-article (&optional article clear-mark)
10438 "Mark current article as unread.
10439 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10440 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10442 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10443 gnus-ticked-mark)))
10445 (defun gnus-summary-mark-as-read-forward (n)
10446 "Mark N articles as read forwards.
10447 If N is negative, mark backwards instead.
10448 The difference between N and the actual number of articles marked is
10451 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10453 (defun gnus-summary-mark-as-read-backward (n)
10454 "Mark the N articles as read backwards.
10455 The difference between N and the actual number of articles marked is
10458 (gnus-summary-mark-forward
10459 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10461 (defun gnus-summary-mark-as-read (&optional article mark)
10462 "Mark current article as read.
10463 ARTICLE specifies the article to be marked as read.
10464 MARK specifies a string to be inserted at the beginning of the line."
10465 (gnus-summary-mark-article article mark))
10467 (defun gnus-summary-clear-mark-forward (n)
10468 "Clear marks from N articles forward.
10469 If N is negative, clear backward instead.
10470 The difference between N and the number of marks cleared is returned."
10472 (gnus-summary-mark-forward n gnus-unread-mark))
10474 (defun gnus-summary-clear-mark-backward (n)
10475 "Clear marks from N articles backward.
10476 The difference between N and the number of marks cleared is returned."
10478 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10480 (defun gnus-summary-mark-unread-as-read ()
10481 "Intended to be used by `gnus-summary-mark-article-hook'."
10482 (when (memq gnus-current-article gnus-newsgroup-unreads)
10483 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10485 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10486 "Intended to be used by `gnus-summary-mark-article-hook'."
10487 (let ((mark (gnus-summary-article-mark)))
10488 (when (or (gnus-unread-mark-p mark)
10489 (gnus-read-mark-p mark))
10490 (gnus-summary-mark-article gnus-current-article
10491 (or new-mark gnus-read-mark)))))
10493 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10494 "Intended to be used by `gnus-summary-mark-article-hook'."
10495 (let ((mark (gnus-summary-article-mark)))
10496 (when (or (gnus-unread-mark-p mark)
10497 (gnus-read-mark-p mark))
10498 (gnus-summary-mark-article (gnus-summary-article-number)
10499 (or new-mark gnus-read-mark)))))
10501 (defun gnus-summary-mark-unread-as-ticked ()
10502 "Intended to be used by `gnus-summary-mark-article-hook'."
10503 (when (memq gnus-current-article gnus-newsgroup-unreads)
10504 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10506 (defun gnus-summary-mark-region-as-read (point mark all)
10507 "Mark all unread articles between point and mark as read.
10508 If given a prefix, mark all articles between point and mark as read,
10509 even ticked and dormant ones."
10510 (interactive "r\nP")
10514 (beginning-of-line)
10519 (memq (setq article (gnus-summary-article-number))
10520 gnus-newsgroup-unreads))
10521 (gnus-summary-mark-article article gnus-del-mark))
10523 (gnus-summary-find-next))))))
10525 (defun gnus-summary-mark-below (score mark)
10526 "Mark articles with score less than SCORE with MARK."
10527 (interactive "P\ncMark: ")
10528 (setq score (if score
10529 (prefix-numeric-value score)
10530 (or gnus-summary-default-score 0)))
10532 (set-buffer gnus-summary-buffer)
10533 (goto-char (point-min))
10536 (and (< (gnus-summary-article-score) score)
10537 (gnus-summary-mark-article nil mark))
10538 (gnus-summary-find-next)))))
10540 (defun gnus-summary-kill-below (&optional score)
10541 "Mark articles with score below SCORE as read."
10543 (gnus-summary-mark-below score gnus-killed-mark))
10545 (defun gnus-summary-clear-above (&optional score)
10546 "Clear all marks from articles with score above SCORE."
10548 (gnus-summary-mark-above score gnus-unread-mark))
10550 (defun gnus-summary-tick-above (&optional score)
10551 "Tick all articles with score above SCORE."
10553 (gnus-summary-mark-above score gnus-ticked-mark))
10555 (defun gnus-summary-mark-above (score mark)
10556 "Mark articles with score over SCORE with MARK."
10557 (interactive "P\ncMark: ")
10558 (setq score (if score
10559 (prefix-numeric-value score)
10560 (or gnus-summary-default-score 0)))
10562 (set-buffer gnus-summary-buffer)
10563 (goto-char (point-min))
10565 (when (> (gnus-summary-article-score) score)
10566 (gnus-summary-mark-article nil mark))
10568 (gnus-summary-find-next)))))
10570 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10571 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10572 (defun gnus-summary-limit-include-expunged (&optional no-error)
10573 "Display all the hidden articles that were expunged for low scores."
10575 (let ((buffer-read-only nil))
10576 (let ((scored gnus-newsgroup-scored)
10579 (unless (gnus-summary-article-header (caar scored))
10580 (and (setq h (gnus-number-to-header (caar scored)))
10581 (< (cdar scored) gnus-summary-expunge-below)
10583 (setq scored (cdr scored)))
10585 (when (not no-error)
10586 (error "No expunged articles hidden"))
10587 (goto-char (point-min))
10588 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10589 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10590 (mapcar (lambda (x) (push (mail-header-number x)
10591 gnus-newsgroup-limit))
10593 (gnus-summary-prepare-unthreaded (nreverse headers))
10594 (goto-char (point-min))
10595 (gnus-summary-position-point)
10598 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10599 "Mark all unread articles in this newsgroup as read.
10600 If prefix argument ALL is non-nil, ticked and dormant articles will
10601 also be marked as read.
10602 If QUIETLY is non-nil, no questions will be asked.
10604 If TO-HERE is non-nil, it should be a point in the buffer. All
10605 articles before (after, if REVERSE is set) this point will be marked
10608 Note that this function will only catch up the unread article
10609 in the current summary buffer limitation.
10611 The number of articles marked as read is returned."
10616 (not gnus-interactive-catchup) ;Without confirmation?
10620 "Mark absolutely all articles as read? "
10621 "Mark all unread articles as read? ")))
10623 (not gnus-newsgroup-adaptive)
10624 (not gnus-newsgroup-auto-expire)
10625 (not gnus-suppress-duplicates)
10626 (or (not gnus-use-cache)
10627 (eq gnus-use-cache 'passive)))
10630 (setq gnus-newsgroup-marked nil
10631 gnus-newsgroup-spam-marked nil
10632 gnus-newsgroup-dormant nil))
10633 (setq gnus-newsgroup-unreads
10634 (gnus-sorted-nunion
10635 (gnus-intersection gnus-newsgroup-unreads
10636 gnus-newsgroup-downloadable)
10637 gnus-newsgroup-unfetched)))
10638 ;; We actually mark all articles as canceled, which we
10639 ;; have to do when using auto-expiry or adaptive scoring.
10640 (gnus-summary-show-all-threads)
10641 (if (and to-here reverse)
10643 (goto-char to-here)
10644 (gnus-summary-mark-current-read-and-unread-as-read
10646 (while (gnus-summary-find-next (not all))
10647 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10648 (when (gnus-summary-first-subject (not all))
10650 (if to-here (< (point) to-here) t)
10651 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10652 (gnus-summary-find-next (not all))))))
10653 (gnus-set-mode-line 'summary))
10655 (gnus-summary-position-point)))
10657 (defun gnus-summary-catchup-to-here (&optional all)
10658 "Mark all unticked articles before the current one as read.
10659 If ALL is non-nil, also mark ticked and dormant articles as read."
10662 (gnus-save-hidden-threads
10663 (let ((beg (point)))
10664 ;; We check that there are unread articles.
10665 (when (or all (gnus-summary-find-prev))
10666 (gnus-summary-catchup all t beg)))))
10667 (gnus-summary-position-point))
10669 (defun gnus-summary-catchup-from-here (&optional all)
10670 "Mark all unticked articles after (and including) the current one as read.
10671 If ALL is non-nil, also mark ticked and dormant articles as read."
10674 (gnus-save-hidden-threads
10675 (let ((beg (point)))
10676 ;; We check that there are unread articles.
10677 (when (or all (gnus-summary-find-next))
10678 (gnus-summary-catchup all t beg nil t)))))
10679 (gnus-summary-position-point))
10681 (defun gnus-summary-catchup-all (&optional quietly)
10682 "Mark all articles in this newsgroup as read.
10683 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10684 instead, which marks only unread articles as read."
10686 (gnus-summary-catchup t quietly))
10688 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10689 "Mark all unread articles in this group as read, then exit.
10690 If prefix argument ALL is non-nil, all articles are marked as read.
10691 If QUIETLY is non-nil, no questions will be asked."
10693 (when (gnus-summary-catchup all quietly nil 'fast)
10694 ;; Select next newsgroup or exit.
10695 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10696 (eq gnus-auto-select-next 'quietly))
10697 (gnus-summary-next-group nil)
10698 (gnus-summary-exit))))
10700 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10701 "Mark all articles in this newsgroup as read, and then exit.
10702 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10703 instead, which marks only unread articles as read."
10705 (gnus-summary-catchup-and-exit t quietly))
10707 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10708 "Mark all articles in this group as read and select the next group.
10709 If given a prefix, mark all articles, unread as well as ticked, as
10713 (gnus-summary-catchup all))
10714 (gnus-summary-next-group))
10716 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
10717 "Mark all articles in this group as read and select the previous group.
10718 If given a prefix, mark all articles, unread as well as ticked, as
10722 (gnus-summary-catchup all))
10723 (gnus-summary-next-group nil nil t))
10729 (defmacro gnus-with-article (article &rest forms)
10730 "Select ARTICLE and perform FORMS in the original article buffer.
10731 Then replace the article with the result."
10733 ;; We don't want the article to be marked as read.
10734 (let (gnus-mark-article-hook)
10735 (gnus-summary-select-article t t nil ,article))
10736 (set-buffer gnus-original-article-buffer)
10738 (if (not (gnus-check-backend-function
10739 'request-replace-article (car gnus-article-current)))
10740 (gnus-message 5 "Read-only group; not replacing")
10741 (unless (gnus-request-replace-article
10742 ,article (car gnus-article-current)
10743 (current-buffer) t)
10744 (error "Couldn't replace article")))
10745 ;; The cache and backlog have to be flushed somewhat.
10746 (when gnus-keep-backlog
10747 (gnus-backlog-remove-article
10748 (car gnus-article-current) (cdr gnus-article-current)))
10749 (when gnus-use-cache
10750 (gnus-cache-update-article
10751 (car gnus-article-current) (cdr gnus-article-current)))))
10753 (put 'gnus-with-article 'lisp-indent-function 1)
10754 (put 'gnus-with-article 'edebug-form-spec '(form body))
10756 ;; Thread-based commands.
10758 (defun gnus-summary-articles-in-thread (&optional article)
10759 "Return a list of all articles in the current thread.
10760 If ARTICLE is non-nil, return all articles in the thread that starts
10761 with that article."
10762 (let* ((article (or article (gnus-summary-article-number)))
10763 (data (gnus-data-find-list article))
10764 (top-level (gnus-data-level (car data)))
10766 (cond ((null gnus-thread-operation-ignore-subject)
10767 (gnus-simplify-subject-re
10768 (mail-header-subject (gnus-data-header (car data)))))
10769 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10770 (gnus-simplify-subject-fuzzy
10771 (mail-header-subject (gnus-data-header (car data)))))
10773 (end-point (save-excursion
10774 (if (gnus-summary-go-to-next-thread)
10775 (point) (point-max))))
10778 (< (gnus-data-pos (car data)) end-point))
10779 (when (or (not top-subject)
10780 (string= top-subject
10781 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10782 (gnus-simplify-subject-fuzzy
10783 (mail-header-subject
10784 (gnus-data-header (car data))))
10785 (gnus-simplify-subject-re
10786 (mail-header-subject
10787 (gnus-data-header (car data)))))))
10788 (push (gnus-data-number (car data)) articles))
10789 (unless (and (setq data (cdr data))
10790 (> (gnus-data-level (car data)) top-level))
10792 ;; Return the list of articles.
10793 (nreverse articles)))
10795 (defun gnus-summary-rethread-current ()
10796 "Rethread the thread the current article is part of."
10798 (let* ((gnus-show-threads t)
10799 (article (gnus-summary-article-number))
10800 (id (mail-header-id (gnus-summary-article-header)))
10801 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10803 (error "No article on the current line"))
10804 (gnus-rebuild-thread id)
10805 (gnus-summary-goto-subject article)))
10807 (defun gnus-summary-reparent-thread ()
10808 "Make the current article child of the marked (or previous) article.
10810 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10811 is non-nil or the Subject: of both articles are the same."
10813 (unless (not (gnus-group-read-only-p))
10814 (error "The current newsgroup does not support article editing"))
10815 (unless (<= (length gnus-newsgroup-processable) 1)
10816 (error "No more than one article may be marked"))
10817 (save-window-excursion
10818 (let ((gnus-article-buffer " *reparent*")
10819 (current-article (gnus-summary-article-number))
10820 ;; First grab the marked article, otherwise one line up.
10821 (parent-article (if (not (null gnus-newsgroup-processable))
10822 (car gnus-newsgroup-processable)
10824 (if (eq (forward-line -1) 0)
10825 (gnus-summary-article-number)
10826 (error "Beginning of summary buffer"))))))
10827 (unless (not (eq current-article parent-article))
10828 (error "An article may not be self-referential"))
10829 (let ((message-id (mail-header-id
10830 (gnus-summary-article-header parent-article))))
10831 (unless (and message-id (not (equal message-id "")))
10832 (error "No message-id in desired parent"))
10833 (gnus-with-article current-article
10835 (goto-char (point-min))
10836 (message-narrow-to-head)
10837 (if (re-search-forward "^References: " nil t)
10839 (re-search-forward "^[^ \t]" nil t)
10842 (insert " " message-id))
10843 (insert "References: " message-id "\n"))))
10844 (set-buffer gnus-summary-buffer)
10845 (gnus-summary-unmark-all-processable)
10846 (gnus-summary-update-article current-article)
10847 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10848 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10849 (gnus-summary-rethread-current)
10850 (gnus-message 3 "Article %d is now the child of article %d"
10851 current-article parent-article)))))
10853 (defun gnus-summary-toggle-threads (&optional arg)
10854 "Toggle showing conversation threads.
10855 If ARG is positive number, turn showing conversation threads on."
10857 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10858 (setq gnus-show-threads
10859 (if (null arg) (not gnus-show-threads)
10860 (> (prefix-numeric-value arg) 0)))
10861 (gnus-summary-prepare)
10862 (gnus-summary-goto-subject current)
10863 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10864 (gnus-summary-position-point)))
10866 (defun gnus-summary-show-all-threads ()
10867 "Show all threads."
10870 (let ((buffer-read-only nil))
10871 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10872 (gnus-summary-position-point))
10874 (defun gnus-summary-show-thread ()
10875 "Show thread subtrees.
10876 Returns nil if no thread was there to be shown."
10878 (let ((buffer-read-only nil)
10880 (end (point-at-eol))
10881 ;; Leave point at bol
10882 (beg (progn (beginning-of-line) (point))))
10884 ;; Any hidden lines here?
10885 (search-forward "\r" end t)
10886 (subst-char-in-region beg end ?\^M ?\n t)
10888 (gnus-summary-position-point))))
10890 (defun gnus-summary-maybe-hide-threads ()
10891 "If requested, hide the threads that should be hidden."
10892 (when (and gnus-show-threads
10893 gnus-thread-hide-subtree)
10894 (gnus-summary-hide-all-threads
10895 (if (or (consp gnus-thread-hide-subtree)
10896 (functionp gnus-thread-hide-subtree))
10897 (gnus-make-predicate gnus-thread-hide-subtree)
10900 ;;; Hiding predicates.
10902 (defun gnus-article-unread-p (header)
10903 (memq (mail-header-number header) gnus-newsgroup-unreads))
10905 (defun gnus-article-unseen-p (header)
10906 (memq (mail-header-number header) gnus-newsgroup-unseen))
10908 (defun gnus-map-articles (predicate articles)
10909 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10910 (apply 'gnus-or (mapcar predicate
10911 (mapcar 'gnus-summary-article-header articles))))
10913 (defun gnus-summary-hide-all-threads (&optional predicate)
10914 "Hide all thread subtrees.
10915 If PREDICATE is supplied, threads that satisfy this predicate
10916 will not be hidden."
10919 (goto-char (point-min))
10922 (when (or (not predicate)
10924 predicate (gnus-summary-article-children)))
10925 (gnus-summary-hide-thread))
10926 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10927 (gnus-summary-position-point))
10929 (defun gnus-summary-hide-thread ()
10930 "Hide thread subtrees.
10931 If PREDICATE is supplied, threads that satisfy this predicate
10932 will not be hidden.
10933 Returns nil if no threads were there to be hidden."
10935 (let ((buffer-read-only nil)
10937 (article (gnus-summary-article-number)))
10939 ;; Go forward until either the buffer ends or the subthread
10941 (when (and (not (eobp))
10942 (or (zerop (gnus-summary-next-thread 1 t))
10943 (goto-char (point-max))))
10945 (if (and (> (point) start)
10946 (search-backward "\n" start t))
10948 (subst-char-in-region start (point) ?\n ?\^M)
10949 (gnus-summary-goto-subject article))
10953 (defun gnus-summary-go-to-next-thread (&optional previous)
10954 "Go to the same level (or less) next thread.
10955 If PREVIOUS is non-nil, go to previous thread instead.
10956 Return the article number moved to, or nil if moving was impossible."
10957 (let ((level (gnus-summary-thread-level))
10958 (way (if previous -1 1))
10961 (while (and (not (eobp))
10962 (< level (gnus-summary-thread-level)))
10963 (forward-line way))
10970 (gnus-summary-article-number)
10971 (goto-char beg)))))
10973 (defun gnus-summary-next-thread (n &optional silent)
10974 "Go to the same level next N'th thread.
10975 If N is negative, search backward instead.
10976 Returns the difference between N and the number of skips actually
10979 If SILENT, don't output messages."
10981 (let ((backward (< n 0))
10983 (while (and (> n 0)
10984 (gnus-summary-go-to-next-thread backward))
10987 (gnus-summary-position-point))
10988 (when (and (not silent) (/= 0 n))
10989 (gnus-message 7 "No more threads"))
10992 (defun gnus-summary-prev-thread (n)
10993 "Go to the same level previous N'th thread.
10994 Returns the difference between N and the number of skips actually
10997 (gnus-summary-next-thread (- n)))
10999 (defun gnus-summary-go-down-thread ()
11000 "Go down one level in the current thread."
11001 (let ((children (gnus-summary-article-children)))
11003 (gnus-summary-goto-subject (car children)))))
11005 (defun gnus-summary-go-up-thread ()
11006 "Go up one level in the current thread."
11007 (let ((parent (gnus-summary-article-parent)))
11009 (gnus-summary-goto-subject parent))))
11011 (defun gnus-summary-down-thread (n)
11012 "Go down thread N steps.
11013 If N is negative, go up instead.
11014 Returns the difference between N and how many steps down that were
11019 (while (and (> n 0)
11020 (if up (gnus-summary-go-up-thread)
11021 (gnus-summary-go-down-thread)))
11023 (gnus-summary-position-point)
11025 (gnus-message 7 "Can't go further"))
11028 (defun gnus-summary-up-thread (n)
11029 "Go up thread N steps.
11030 If N is negative, go down instead.
11031 Returns the difference between N and how many steps down that were
11034 (gnus-summary-down-thread (- n)))
11036 (defun gnus-summary-top-thread ()
11037 "Go to the top of the thread."
11039 (while (gnus-summary-go-up-thread))
11040 (gnus-summary-article-number))
11042 (defun gnus-summary-kill-thread (&optional unmark)
11043 "Mark articles under current thread as read.
11044 If the prefix argument is positive, remove any kinds of marks.
11045 If the prefix argument is negative, tick articles instead."
11048 (setq unmark (prefix-numeric-value unmark)))
11049 (let ((articles (gnus-summary-articles-in-thread)))
11051 ;; Expand the thread.
11052 (gnus-summary-show-thread)
11053 ;; Mark all the articles.
11055 (gnus-summary-goto-subject (car articles))
11056 (cond ((null unmark)
11057 (gnus-summary-mark-article-as-read gnus-killed-mark))
11059 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11061 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11062 (setq articles (cdr articles))))
11063 ;; Hide killed subtrees.
11065 gnus-thread-hide-killed
11066 (gnus-summary-hide-thread))
11067 ;; If marked as read, go to next unread subject.
11068 (when (null unmark)
11069 ;; Go to next unread subject.
11070 (gnus-summary-next-subject 1 t)))
11071 (gnus-set-mode-line 'summary))
11073 ;; Summary sorting commands
11075 (defun gnus-summary-sort-by-number (&optional reverse)
11076 "Sort the summary buffer by article number.
11077 Argument REVERSE means reverse order."
11079 (gnus-summary-sort 'number reverse))
11081 (defun gnus-summary-sort-by-random (&optional reverse)
11082 "Randomize the order in the summary buffer.
11083 Argument REVERSE means to randomize in reverse order."
11085 (gnus-summary-sort 'random reverse))
11087 (defun gnus-summary-sort-by-author (&optional reverse)
11088 "Sort the summary buffer by author name alphabetically.
11089 If `case-fold-search' is non-nil, case of letters is ignored.
11090 Argument REVERSE means reverse order."
11092 (gnus-summary-sort 'author reverse))
11094 (defun gnus-summary-sort-by-recipient (&optional reverse)
11095 "Sort the summary buffer by recipient name alphabetically.
11096 If `case-fold-search' is non-nil, case of letters is ignored.
11097 Argument REVERSE means reverse order."
11099 (gnus-summary-sort 'recipient reverse))
11101 (defun gnus-summary-sort-by-subject (&optional reverse)
11102 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11103 If `case-fold-search' is non-nil, case of letters is ignored.
11104 Argument REVERSE means reverse order."
11106 (gnus-summary-sort 'subject reverse))
11108 (defun gnus-summary-sort-by-date (&optional reverse)
11109 "Sort the summary buffer by date.
11110 Argument REVERSE means reverse order."
11112 (gnus-summary-sort 'date reverse))
11114 (defun gnus-summary-sort-by-score (&optional reverse)
11115 "Sort the summary buffer by score.
11116 Argument REVERSE means reverse order."
11118 (gnus-summary-sort 'score reverse))
11120 (defun gnus-summary-sort-by-lines (&optional reverse)
11121 "Sort the summary buffer by the number of lines.
11122 Argument REVERSE means reverse order."
11124 (gnus-summary-sort 'lines reverse))
11126 (defun gnus-summary-sort-by-chars (&optional reverse)
11127 "Sort the summary buffer by article length.
11128 Argument REVERSE means reverse order."
11130 (gnus-summary-sort 'chars reverse))
11132 (defun gnus-summary-sort-by-original (&optional reverse)
11133 "Sort the summary buffer using the default sorting method.
11134 Argument REVERSE means reverse order."
11136 (let* ((buffer-read-only)
11137 (gnus-summary-prepare-hook nil))
11138 ;; We do the sorting by regenerating the threads.
11139 (gnus-summary-prepare)
11140 ;; Hide subthreads if needed.
11141 (gnus-summary-maybe-hide-threads)))
11143 (defun gnus-summary-sort (predicate reverse)
11144 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11145 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11146 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11147 (gnus-thread-sort-functions
11152 (gnus-sort-gathered-threads-function
11153 gnus-thread-sort-functions)
11154 (gnus-article-sort-functions
11158 (,article t2 t1))))
11160 (gnus-summary-prepare-hook nil))
11161 ;; We do the sorting by regenerating the threads.
11162 (gnus-summary-prepare)
11163 ;; Hide subthreads if needed.
11164 (gnus-summary-maybe-hide-threads)))
11166 ;; Summary saving commands.
11168 (defun gnus-summary-save-article (&optional n not-saved)
11169 "Save the current article using the default saver function.
11170 If N is a positive number, save the N next articles.
11171 If N is a negative number, save the N previous articles.
11172 If N is nil and any articles have been marked with the process mark,
11173 save those articles instead.
11174 The variable `gnus-default-article-saver' specifies the saver function."
11176 (let* ((articles (gnus-summary-work-articles n))
11177 (save-buffer (save-excursion
11178 (nnheader-set-temp-buffer " *Gnus Save*")))
11179 (num (length articles))
11181 (dolist (article articles)
11182 (setq header (gnus-summary-article-header article))
11183 (if (not (vectorp header))
11184 ;; This is a pseudo-article.
11185 (if (assq 'name header)
11186 (gnus-copy-file (cdr (assq 'name header)))
11187 (gnus-message 1 "Article %d is unsaveable" article))
11188 ;; This is a real article.
11189 (save-window-excursion
11190 (let ((gnus-display-mime-function nil)
11191 (gnus-article-prepare-hook nil))
11192 (gnus-summary-select-article t nil nil article)))
11194 (set-buffer save-buffer)
11196 (insert-buffer-substring gnus-original-article-buffer))
11197 (setq file (gnus-article-save save-buffer file num))
11198 (gnus-summary-remove-process-mark article)
11200 (gnus-summary-set-saved-mark article))))
11201 (gnus-kill-buffer save-buffer)
11202 (gnus-summary-position-point)
11203 (gnus-set-mode-line 'summary)
11206 (defun gnus-summary-pipe-output (&optional arg headers)
11207 "Pipe the current article to a subprocess.
11208 If N is a positive number, pipe the N next articles.
11209 If N is a negative number, pipe the N previous articles.
11210 If N is nil and any articles have been marked with the process mark,
11211 pipe those articles instead.
11212 If HEADERS (the symbolic prefix), include the headers, too."
11213 (interactive (gnus-interactive "P\ny"))
11214 (require 'gnus-art)
11215 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
11216 (gnus-save-all-headers (or headers gnus-save-all-headers)))
11217 (gnus-summary-save-article arg t))
11218 (let ((buffer (get-buffer "*Shell Command Output*")))
11220 (not (zerop (buffer-size buffer))))
11221 (gnus-configure-windows 'pipe))))
11223 (defun gnus-summary-save-article-mail (&optional arg)
11224 "Append the current article to an mail file.
11225 If N is a positive number, save the N next articles.
11226 If N is a negative number, save the N previous articles.
11227 If N is nil and any articles have been marked with the process mark,
11228 save those articles instead."
11230 (require 'gnus-art)
11231 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11232 (gnus-summary-save-article arg)))
11234 (defun gnus-summary-save-article-rmail (&optional arg)
11235 "Append the current article to an rmail file.
11236 If N is a positive number, save the N next articles.
11237 If N is a negative number, save the N previous articles.
11238 If N is nil and any articles have been marked with the process mark,
11239 save those articles instead."
11241 (require 'gnus-art)
11242 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11243 (gnus-summary-save-article arg)))
11245 (defun gnus-summary-save-article-file (&optional arg)
11246 "Append the current article to a file.
11247 If N is a positive number, save the N next articles.
11248 If N is a negative number, save the N previous articles.
11249 If N is nil and any articles have been marked with the process mark,
11250 save those articles instead."
11252 (require 'gnus-art)
11253 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11254 (gnus-summary-save-article arg)))
11256 (defun gnus-summary-write-article-file (&optional arg)
11257 "Write the current article to a file, deleting the previous file.
11258 If N is a positive number, save the N next articles.
11259 If N is a negative number, save the N previous articles.
11260 If N is nil and any articles have been marked with the process mark,
11261 save those articles instead."
11263 (require 'gnus-art)
11264 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11265 (gnus-summary-save-article arg)))
11267 (defun gnus-summary-save-article-body-file (&optional arg)
11268 "Append the current article body to a file.
11269 If N is a positive number, save the N next articles.
11270 If N is a negative number, save the N previous articles.
11271 If N is nil and any articles have been marked with the process mark,
11272 save those articles instead."
11274 (require 'gnus-art)
11275 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11276 (gnus-summary-save-article arg)))
11278 (defun gnus-summary-muttprint (&optional arg)
11279 "Print the current article using Muttprint.
11280 If N is a positive number, save the N next articles.
11281 If N is a negative number, save the N previous articles.
11282 If N is nil and any articles have been marked with the process mark,
11283 save those articles instead."
11285 (require 'gnus-art)
11286 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11287 (gnus-summary-save-article arg t)))
11289 (defun gnus-summary-pipe-message (program)
11290 "Pipe the current article through PROGRAM."
11291 (interactive "sProgram: ")
11292 (gnus-summary-select-article)
11293 (let ((mail-header-separator ""))
11294 (gnus-eval-in-buffer-window gnus-article-buffer
11297 (let ((start (window-start))
11299 (message-pipe-buffer-body program)
11300 (set-window-start (get-buffer-window (current-buffer)) start))))))
11302 (defun gnus-get-split-value (methods)
11303 "Return a value based on the split METHODS."
11304 (let (split-name method result match)
11307 (set-buffer gnus-original-article-buffer)
11309 (nnheader-narrow-to-headers)
11310 (while (and methods (not split-name))
11311 (goto-char (point-min))
11312 (setq method (pop methods))
11313 (setq match (car method))
11316 ;; Regular expression.
11318 (re-search-forward match nil t)))
11323 (setq result (funcall match gnus-newsgroup-name))))
11328 (setq result (eval match)))))
11329 (setq split-name (cdr method))
11330 (cond ((stringp result)
11331 (push (expand-file-name
11332 result gnus-article-save-directory)
11335 (setq split-name (append result split-name)))))))))
11336 (nreverse split-name)))
11338 (defun gnus-valid-move-group-p (group)
11339 (and (boundp group)
11340 (symbol-name group)
11341 (symbol-value group)
11342 (gnus-get-function (gnus-find-method-for-group
11343 (symbol-name group)) 'request-accept-article t)))
11345 (defun gnus-read-move-group-name (prompt default articles prefix)
11346 "Read a group name."
11347 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11348 (minibuffer-confirm-incomplete nil) ; XEmacs
11352 (if (> (length articles) 1)
11353 (format "these %d articles" (length articles))
11358 (gnus-completing-read-with-default
11361 'gnus-valid-move-group-p
11363 'gnus-group-history))
11364 ((= 1 (length split-name))
11365 (gnus-completing-read-with-default
11366 (car split-name) prom
11368 'gnus-valid-move-group-p
11370 'gnus-group-history))
11372 (gnus-completing-read-with-default
11374 (mapcar 'list (nreverse split-name))
11376 'gnus-group-history))))
11377 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11379 (if (or (string= to-newsgroup "")
11380 (string= to-newsgroup prefix))
11381 (setq to-newsgroup default))
11382 (unless to-newsgroup
11383 (error "No group name entered"))
11384 (or (gnus-active to-newsgroup)
11385 (gnus-activate-group to-newsgroup nil nil to-method)
11386 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11388 (or (and (gnus-request-create-group to-newsgroup to-method)
11389 (gnus-activate-group
11390 to-newsgroup nil nil to-method)
11391 (gnus-subscribe-group to-newsgroup))
11392 (error "Couldn't create group %s" to-newsgroup)))
11393 (error "No such group: %s" to-newsgroup)))
11396 (defun gnus-summary-save-parts (type dir n &optional reverse)
11397 "Save parts matching TYPE to DIR.
11398 If REVERSE, save parts that do not match TYPE."
11400 (list (read-string "Save parts of type: "
11401 (or (car gnus-summary-save-parts-type-history)
11402 gnus-summary-save-parts-default-mime)
11403 'gnus-summary-save-parts-type-history)
11404 (setq gnus-summary-save-parts-last-directory
11405 (read-file-name "Save to directory: "
11406 gnus-summary-save-parts-last-directory
11408 current-prefix-arg))
11409 (gnus-summary-iterate n
11410 (let ((gnus-display-mime-function nil)
11411 (gnus-inhibit-treatment t))
11412 (gnus-summary-select-article))
11414 (set-buffer gnus-article-buffer)
11415 (let ((handles (or gnus-article-mime-handles
11416 (mm-dissect-buffer nil gnus-article-loose-mime)
11417 (and gnus-article-emulate-mime
11418 (mm-uu-dissect)))))
11420 (gnus-summary-save-parts-1 type dir handles reverse)
11421 (unless gnus-article-mime-handles ;; Don't destroy this case.
11422 (mm-destroy-parts handles)))))))
11424 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11425 (if (stringp (car handle))
11426 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11429 (not (string-match type (mm-handle-media-type handle)))
11430 (string-match type (mm-handle-media-type handle)))
11431 (let ((file (expand-file-name
11433 mm-file-name-rewrite-functions
11434 (file-name-nondirectory
11436 (mail-content-type-get
11437 (mm-handle-disposition handle) 'filename)
11438 (mail-content-type-get
11439 (mm-handle-type handle) 'name)
11440 (concat gnus-newsgroup-name
11441 "." (number-to-string
11442 (cdr gnus-article-current))))))
11444 (unless (file-exists-p file)
11445 (mm-save-part-to-file handle file))))))
11447 ;; Summary extract commands
11449 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11450 (let ((buffer-read-only nil)
11451 (article (gnus-summary-article-number))
11453 (unless (gnus-summary-goto-subject article)
11454 (error "No such article: %d" article))
11455 (gnus-summary-position-point)
11456 ;; If all commands are to be bunched up on one line, we collect
11458 (unless gnus-view-pseudos-separately
11459 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11462 (setq action (cdr (assq 'action (car ps))))
11463 (setq files (list (cdr (assq 'name (car ps)))))
11464 (while (and ps (cdr ps)
11465 (string= (or action "1")
11466 (or (cdr (assq 'action (cadr ps))) "2")))
11467 (push (cdr (assq 'name (cadr ps))) files)
11468 (setcdr ps (cddr ps)))
11470 (when (not (string-match "%s" action))
11473 (when (assq 'execute (car ps))
11474 (setcdr (assq 'execute (car ps))
11475 (funcall (if (string-match "%s" action)
11482 (shell-quote-argument f)))
11484 (setq ps (cdr ps)))))
11485 (if (and gnus-view-pseudos (not not-view))
11487 (when (assq 'execute (car pslist))
11488 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11489 (eq gnus-view-pseudos 'not-confirm)))
11490 (setq pslist (cdr pslist)))
11493 (setq after-article (or (cdr (assq 'article (car pslist)))
11494 (gnus-summary-article-number)))
11495 (gnus-summary-goto-subject after-article)
11498 (insert " " (file-name-nondirectory
11499 (cdr (assq 'name (car pslist))))
11500 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11502 (forward-line -1) ; back to `b'
11503 (gnus-add-text-properties
11504 b (1- e) (list 'gnus-number gnus-reffed-article-number
11505 gnus-mouse-face-prop gnus-mouse-face))
11507 after-article gnus-reffed-article-number
11508 gnus-unread-mark b (car pslist) 0 (- e b))
11509 (setq gnus-newsgroup-unreads
11510 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11511 gnus-reffed-article-number))
11512 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11513 (setq pslist (cdr pslist)))))))
11515 (defun gnus-pseudos< (p1 p2)
11516 (let ((c1 (cdr (assq 'action p1)))
11517 (c2 (cdr (assq 'action p2))))
11518 (and c1 c2 (string< c1 c2))))
11520 (defun gnus-request-pseudo-article (props)
11521 (cond ((assq 'execute props)
11522 (gnus-execute-command (cdr (assq 'execute props)))))
11523 (let ((gnus-current-article (gnus-summary-article-number)))
11524 (gnus-run-hooks 'gnus-mark-article-hook)))
11526 (defun gnus-execute-command (command &optional automatic)
11528 (gnus-article-setup-buffer)
11529 (set-buffer gnus-article-buffer)
11530 (setq buffer-read-only nil)
11531 (let ((command (if automatic command
11532 (read-string "Command: " (cons command 0)))))
11534 (insert "$ " command "\n\n")
11535 (if gnus-view-pseudo-asynchronously
11536 (start-process "gnus-execute" (current-buffer) shell-file-name
11537 shell-command-switch command)
11538 (call-process shell-file-name nil t nil
11539 shell-command-switch command)))))
11541 ;; Summary kill commands.
11543 (defun gnus-summary-edit-global-kill (article)
11544 "Edit the \"global\" kill file."
11545 (interactive (list (gnus-summary-article-number)))
11546 (gnus-group-edit-global-kill article))
11548 (defun gnus-summary-edit-local-kill ()
11549 "Edit a local kill file applied to the current newsgroup."
11551 (setq gnus-current-headers (gnus-summary-article-header))
11552 (gnus-group-edit-local-kill
11553 (gnus-summary-article-number) gnus-newsgroup-name))
11555 ;;; Header reading.
11557 (defun gnus-read-header (id &optional header)
11558 "Read the headers of article ID and enter them into the Gnus system."
11559 (let ((group gnus-newsgroup-name)
11560 (gnus-override-method
11562 gnus-override-method
11563 (and (gnus-news-group-p gnus-newsgroup-name)
11564 (car (gnus-refer-article-methods)))))
11566 ;; First we check to see whether the header in question is already
11569 ;; This is a Message-ID.
11570 (setq header (or header (gnus-id-to-header id)))
11571 ;; This is an article number.
11572 (setq header (or header (gnus-summary-article-header id))))
11574 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11575 ;; We have found the header.
11577 ;; We have to really fetch the header to this article.
11579 (set-buffer nntp-server-buffer)
11580 (when (setq where (gnus-request-head id group))
11581 (nnheader-fold-continuation-lines)
11582 (goto-char (point-max))
11584 (goto-char (point-min))
11588 ((cdr where) (cdr where))
11589 (header (mail-header-number header))
11590 (t gnus-reffed-article-number))
11592 (insert " Article retrieved.\n"))
11593 (if (or (not where)
11594 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11595 () ; Malformed head.
11596 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11597 (when (and (stringp id)
11598 (not (string= (gnus-group-real-name group)
11600 ;; If we fetched by Message-ID and the article came
11601 ;; from a different group, we fudge some bogus article
11602 ;; numbers for this article.
11603 (mail-header-set-number header gnus-reffed-article-number))
11605 (set-buffer gnus-summary-buffer)
11606 (decf gnus-reffed-article-number)
11607 (gnus-remove-header (mail-header-number header))
11608 (push header gnus-newsgroup-headers)
11609 (setq gnus-current-headers header)
11610 (push (mail-header-number header) gnus-newsgroup-limit)))
11613 (defun gnus-remove-header (number)
11614 "Remove header NUMBER from `gnus-newsgroup-headers'."
11615 (if (and gnus-newsgroup-headers
11616 (= number (mail-header-number (car gnus-newsgroup-headers))))
11617 (pop gnus-newsgroup-headers)
11618 (let ((headers gnus-newsgroup-headers))
11619 (while (and (cdr headers)
11620 (not (= number (mail-header-number (cadr headers)))))
11622 (when (cdr headers)
11623 (setcdr headers (cddr headers))))))
11626 ;;; summary highlights
11629 (defun gnus-highlight-selected-summary ()
11630 "Highlight selected article in summary buffer."
11631 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11632 (when gnus-summary-selected-face
11634 (let* ((beg (point-at-bol))
11635 (end (point-at-eol))
11636 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11637 (from (if (get-text-property beg gnus-mouse-face-prop)
11639 (or (next-single-property-change
11640 beg gnus-mouse-face-prop nil end)
11645 (or (next-single-property-change
11646 from gnus-mouse-face-prop nil end)
11648 ;; If no mouse-face prop on line we will have to = from = end,
11649 ;; so we highlight the entire line instead.
11650 (when (= (+ to 2) from)
11653 (if gnus-newsgroup-selected-overlay
11654 ;; Move old overlay.
11656 gnus-newsgroup-selected-overlay from to (current-buffer))
11657 ;; Create new overlay.
11659 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11660 'face gnus-summary-selected-face))))))
11662 (defvar gnus-summary-highlight-line-cached nil)
11663 (defvar gnus-summary-highlight-line-trigger nil)
11665 (defun gnus-summary-highlight-line-0 ()
11666 (if (and (eq gnus-summary-highlight-line-trigger
11667 gnus-summary-highlight)
11668 gnus-summary-highlight-line-cached)
11669 gnus-summary-highlight-line-cached
11670 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11671 gnus-summary-highlight-line-cached
11672 (let* ((cond (list 'cond))
11674 (list gnus-summary-highlight))
11676 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11680 (gnus-byte-compile (list 'lambda nil cond))))))
11682 (defun gnus-summary-highlight-line ()
11683 "Highlight current line according to `gnus-summary-highlight'."
11684 (let* ((beg (point-at-bol))
11685 (article (or (gnus-summary-article-number) gnus-current-article))
11686 (score (or (cdr (assq article
11687 gnus-newsgroup-scored))
11688 gnus-summary-default-score 0))
11689 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11690 (inhibit-read-only t)
11691 (default gnus-summary-default-score)
11692 (default-high gnus-summary-default-high-score)
11693 (default-low gnus-summary-default-low-score)
11694 (uncached (and gnus-summary-use-undownloaded-faces
11695 (memq article gnus-newsgroup-undownloaded)
11696 (not (memq article gnus-newsgroup-cached)))))
11697 (let ((face (funcall (gnus-summary-highlight-line-0))))
11698 (unless (eq face (get-text-property beg 'face))
11699 (gnus-put-text-property-excluding-characters-with-faces
11700 beg (point-at-eol) 'face
11701 (setq face (if (boundp face) (symbol-value face) face)))
11702 (when gnus-summary-highlight-line-function
11703 (funcall gnus-summary-highlight-line-function article face))))))
11705 (defun gnus-update-read-articles (group unread &optional compute)
11706 "Update the list of read articles in GROUP.
11707 UNREAD is a sorted list."
11708 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11709 (info (gnus-get-info group))
11712 (if (or (not info) (not active))
11713 ;; There is no info on this group if it was, in fact,
11714 ;; killed. Gnus stores no information on killed groups, so
11715 ;; there's nothing to be done.
11716 ;; One could store the information somewhere temporarily,
11717 ;; perhaps... Hmmm...
11719 ;; Remove any negative articles numbers.
11720 (while (and unread (< (car unread) 0))
11721 (setq unread (cdr unread)))
11722 ;; Remove any expired article numbers
11723 (while (and unread (< (car unread) (car active)))
11724 (setq unread (cdr unread)))
11725 ;; Compute the ranges of read articles by looking at the list of
11726 ;; unread articles.
11728 (when (/= (car unread) prev)
11729 (push (if (= prev (1- (car unread))) prev
11730 (cons prev (1- (car unread))))
11732 (setq prev (1+ (car unread)))
11733 (setq unread (cdr unread)))
11734 (when (<= prev (cdr active))
11735 (push (cons prev (cdr active)) read))
11736 (setq read (if (> (length read) 1) (nreverse read) read))
11741 ;; Propagate the read marks to the backend.
11742 (when (gnus-check-backend-function 'request-set-mark group)
11743 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11744 (add (gnus-remove-from-range read (gnus-info-read info))))
11746 (unless (gnus-check-group group)
11747 (error "Can't open server for %s" group))
11748 (gnus-request-set-mark
11749 group (delq nil (list (if add (list add 'add '(read)))
11750 (if del (list del 'del '(read))))))
11752 `(gnus-request-set-mark
11755 (if del (list del 'add '(read)))
11756 (if add (list add 'del '(read))))))))))
11757 (set-buffer gnus-group-buffer)
11758 (gnus-undo-register
11760 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11761 (gnus-info-set-read ',info ',(gnus-info-read info))
11762 (gnus-get-unread-articles-in-group ',info
11763 (gnus-active ,group))
11764 (gnus-group-update-group ,group t)
11766 ;; Enter this list into the group info.
11767 (gnus-info-set-read info read)
11768 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11769 (gnus-get-unread-articles-in-group info (gnus-active group))
11772 (defun gnus-offer-save-summaries ()
11773 "Offer to save all active summary buffers."
11775 ;; Go through all buffers and find all summaries.
11776 (dolist (buffer (buffer-list))
11777 (when (and (setq buffer (buffer-name buffer))
11778 (string-match "Summary" buffer)
11779 (with-current-buffer buffer
11780 ;; We check that this is, indeed, a summary buffer.
11781 (and (eq major-mode 'gnus-summary-mode)
11782 ;; Also make sure this isn't bogus.
11783 gnus-newsgroup-prepared
11784 ;; Also make sure that this isn't a
11785 ;; dead summary buffer.
11786 (not gnus-dead-summary-mode))))
11787 (push buffer buffers)))
11788 ;; Go through all these summary buffers and offer to save them.
11792 "Update summary buffer %s? "
11794 (switch-to-buffer buf)
11795 (gnus-summary-exit))
11798 (defun gnus-summary-setup-default-charset ()
11799 "Setup newsgroup default charset."
11800 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11801 (setq gnus-newsgroup-charset nil)
11802 (let* ((ignored-charsets
11803 (or gnus-newsgroup-ephemeral-ignored-charsets
11805 (and gnus-newsgroup-name
11806 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11807 gnus-newsgroup-ignored-charsets))))
11808 (setq gnus-newsgroup-charset
11809 (or gnus-newsgroup-ephemeral-charset
11810 (and gnus-newsgroup-name
11811 (gnus-parameter-charset gnus-newsgroup-name))
11812 gnus-default-charset))
11813 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11814 ignored-charsets))))
11820 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11821 "Display the current article buffer fully MIME-buttonized.
11822 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11823 treated as multipart/mixed."
11825 (require 'gnus-art)
11826 (let ((gnus-unbuttonized-mime-types nil)
11827 (gnus-mime-display-multipart-as-mixed show-all-parts))
11828 (gnus-summary-show-article)))
11830 (defun gnus-summary-repair-multipart (article)
11831 "Add a Content-Type header to a multipart article without one."
11832 (interactive (list (gnus-summary-article-number)))
11833 (gnus-with-article article
11834 (message-narrow-to-head)
11835 (message-remove-header "Mime-Version")
11836 (goto-char (point-max))
11837 (insert "Mime-Version: 1.0\n")
11839 (when (search-forward "\n--" nil t)
11840 (let ((separator (buffer-substring (point) (point-at-eol))))
11841 (message-narrow-to-head)
11842 (message-remove-header "Content-Type")
11843 (goto-char (point-max))
11844 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11847 (let (gnus-mark-article-hook)
11848 (gnus-summary-select-article t t nil article)))
11850 (defun gnus-summary-toggle-display-buttonized ()
11851 "Toggle the buttonizing of the article buffer."
11853 (require 'gnus-art)
11854 (if (setq gnus-inhibit-mime-unbuttonizing
11855 (not gnus-inhibit-mime-unbuttonizing))
11856 (let ((gnus-unbuttonized-mime-types nil))
11857 (gnus-summary-show-article))
11858 (gnus-summary-show-article)))
11861 ;;; Generic summary marking commands
11864 (defvar gnus-summary-marking-alist
11865 '((read gnus-del-mark "d")
11866 (unread gnus-unread-mark "u")
11867 (ticked gnus-ticked-mark "!")
11868 (dormant gnus-dormant-mark "?")
11869 (expirable gnus-expirable-mark "e"))
11870 "An alist of names/marks/keystrokes.")
11872 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11873 (defvar gnus-summary-mark-map)
11875 (defun gnus-summary-make-all-marking-commands ()
11876 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11877 (dolist (elem gnus-summary-marking-alist)
11878 (apply 'gnus-summary-make-marking-command elem)))
11880 (defun gnus-summary-make-marking-command (name mark keystroke)
11881 (let ((map (make-sparse-keymap)))
11882 (define-key gnus-summary-generic-mark-map keystroke map)
11883 (dolist (lway `((next "next" next nil "n")
11884 (next-unread "next unread" next t "N")
11885 (prev "previous" prev nil "p")
11886 (prev-unread "previous unread" prev t "P")
11887 (nomove "" nil nil ,keystroke)))
11888 (let ((func (gnus-summary-make-marking-command-1
11889 mark (car lway) lway name)))
11890 (setq func (eval func))
11891 (define-key map (nth 4 lway) func)))))
11893 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11895 (format "gnus-summary-put-mark-as-%s%s"
11896 name (if (eq way 'nomove)
11898 (concat "-" (symbol-name way)))))
11901 "Mark the current article as %s%s.
11902 If N, the prefix, then repeat N times.
11903 If N is negative, move in reverse order.
11904 The difference between N and the actual number of articles marked is
11908 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11910 (defun gnus-summary-generic-mark (n mark move unread)
11911 "Mark N articles with MARK."
11912 (unless (eq major-mode 'gnus-summary-mode)
11913 (error "This command can only be used in the summary buffer"))
11914 (gnus-summary-show-thread)
11917 ((eq move 'next) 1)
11918 ((eq move 'prev) -1)
11920 (if (zerop nummove)
11924 nummove (* -1 nummove))))
11925 (while (and (> n 0)
11926 (gnus-summary-mark-article nil mark)
11927 (zerop (gnus-summary-next-subject nummove unread t)))
11930 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11931 (gnus-summary-recenter)
11932 (gnus-summary-position-point)
11933 (gnus-set-mode-line 'summary)
11936 (defun gnus-summary-insert-articles (articles)
11937 (when (setq articles
11938 (gnus-sorted-difference articles
11939 (mapcar (lambda (h)
11940 (mail-header-number h))
11941 gnus-newsgroup-headers)))
11942 (setq gnus-newsgroup-headers
11944 gnus-newsgroup-headers
11945 (gnus-fetch-headers articles)
11946 'gnus-article-sort-by-number))
11947 ;; Suppress duplicates?
11948 (when gnus-suppress-duplicates
11949 (gnus-dup-suppress-articles))
11951 ;; We might want to build some more threads first.
11952 (when (and gnus-fetch-old-headers
11953 (eq gnus-headers-retrieved-by 'nov))
11954 (if (eq gnus-fetch-old-headers 'invisible)
11955 (gnus-build-all-threads)
11956 (gnus-build-old-threads)))
11957 ;; Let the Gnus agent mark articles as read.
11959 (gnus-agent-get-undownloaded-list))
11960 ;; Remove list identifiers from subject
11961 (when gnus-list-identifiers
11962 (gnus-summary-remove-list-identifiers))
11963 ;; First and last article in this newsgroup.
11964 (when gnus-newsgroup-headers
11965 (setq gnus-newsgroup-begin
11966 (mail-header-number (car gnus-newsgroup-headers))
11968 (mail-header-number
11969 (gnus-last-element gnus-newsgroup-headers))))
11970 (when gnus-use-scoring
11971 (gnus-possibly-score-headers))))
11973 (defun gnus-summary-insert-old-articles (&optional all)
11974 "Insert all old articles in this group.
11975 If ALL is non-nil, already read articles become readable.
11976 If ALL is a number, fetch this number of articles."
11979 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11982 ;; Some nntp servers lie about their active range. When
11983 ;; this happens, the active range can be in the millions.
11984 ;; Use a compressed range to avoid creating a huge list.
11985 (gnus-range-difference (list gnus-newsgroup-active) old))
11986 (setq len (gnus-range-length older))
11991 (let ((older-range (nreverse older)))
11995 (let* ((r (pop older-range))
11996 (min (if (numberp r) r (car r)))
11997 (max (if (numberp r) r (cdr r))))
11998 (while (and (<= min max)
12003 (setq older (gnus-uncompress-range older))))
12005 (setq older (gnus-uncompress-range older)))
12007 (when (and (numberp gnus-large-newsgroup)
12008 (> len gnus-large-newsgroup))
12009 (let* ((cursor-in-echo-area nil)
12010 (initial (gnus-parameter-large-newsgroup-initial
12011 gnus-newsgroup-name))
12015 "How many articles from %s (%s %d): "
12017 (gnus-group-decoded-name gnus-newsgroup-name) 35)
12018 (if initial "max" "default")
12021 (cons (number-to-string initial)
12023 (unless (string-match "^[ \t]*$" input)
12024 (setq all (string-to-number input))
12026 (let ((older-range (nreverse older)))
12030 (let* ((r (pop older-range))
12031 (min (if (numberp r) r (car r)))
12032 (max (if (numberp r) r (cdr r))))
12033 (while (and (<= min max)
12037 max (1- max))))))))))
12038 (setq older (gnus-uncompress-range older))))
12040 (message "No old news.")
12041 (gnus-summary-insert-articles older)
12042 (gnus-summary-limit (gnus-sorted-nunion old older))))
12043 (gnus-summary-position-point)))
12045 (defun gnus-summary-insert-new-articles ()
12046 "Insert all new articles in this group."
12049 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12050 (old-active gnus-newsgroup-active)
12051 (nnmail-fetched-sources (list t))
12053 (setq gnus-newsgroup-active
12054 (gnus-activate-group gnus-newsgroup-name 'scan))
12055 (setq i (cdr gnus-newsgroup-active))
12056 (while (> i (cdr old-active))
12060 (message "No gnus is bad news")
12061 (gnus-summary-insert-articles new)
12062 (setq gnus-newsgroup-unreads
12063 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12064 (gnus-summary-limit (gnus-sorted-nunion old new))))
12065 (gnus-summary-position-point)))
12067 (gnus-summary-make-all-marking-commands)
12069 (gnus-ems-redefine)
12071 (provide 'gnus-sum)
12073 (run-hooks 'gnus-sum-load-hook)
12075 ;; Local Variables:
12076 ;; coding: iso-8859-1
12079 ;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
12080 ;;; gnus-sum.el ends here