1 ;;; gnus-group.el --- group mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 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 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (defvar tool-bar-mode)
50 (let ((features (cons 'gnus-group features)))
52 (unless (boundp 'gnus-cache-active-hashtb)
53 (defvar gnus-cache-active-hashtb nil)))
55 (autoload 'gnus-agent-total-fetched-for "gnus-agent")
56 (autoload 'gnus-cache-total-fetched-for "gnus-cache")
58 (defcustom gnus-no-groups-message "No Gnus is good news"
59 "*Message displayed by Gnus when no groups are available."
63 (defcustom gnus-keep-same-level nil
64 "*Non-nil means that the next newsgroup after the current will be on the same level.
65 When you type, for instance, `n' after reading the last article in the
66 current newsgroup, you will go to the next newsgroup. If this variable
67 is nil, the next newsgroup will be the next from the group
69 If this variable is non-nil, Gnus will either put you in the
70 next newsgroup with the same level, or, if no such newsgroup is
71 available, the next newsgroup with the lowest possible level higher
72 than the current level.
73 If this variable is `best', Gnus will make the next newsgroup the one
75 :group 'gnus-group-levels
76 :type '(choice (const nil)
78 (sexp :tag "other" t)))
80 (defcustom gnus-group-goto-unread t
81 "*If non-nil, movement commands will go to the next unread and subscribed group."
82 :link '(custom-manual "(gnus)Group Maneuvering")
83 :group 'gnus-group-various
86 (defcustom gnus-goto-next-group-when-activating t
87 "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group."
88 :link '(custom-manual "(gnus)Scanning New Messages")
89 :group 'gnus-group-various
92 (defcustom gnus-permanently-visible-groups nil
93 "*Regexp to match groups that should always be listed in the group buffer.
94 This means that they will still be listed even when there are no
95 unread articles in the groups.
97 If nil, no groups are permanently visible."
98 :group 'gnus-group-listing
99 :type '(choice regexp (const nil)))
101 (defcustom gnus-safe-html-newsgroups "\\`nnrss[+:]"
102 "Groups in which links in html articles are considered all safe.
103 The value may be a regexp matching those groups, a list of group names,
104 or nil. This overrides `mm-w3m-safe-url-regexp' (which see). This is
105 effective only when emacs-w3m renders html articles, i.e., in the case
106 `mm-text-html-renderer' is set to `w3m'."
108 :group 'gnus-group-various
109 :type '(choice regexp
110 (repeat :tag "List of group names" (string :tag "Group"))
113 (defcustom gnus-list-groups-with-ticked-articles t
114 "*If non-nil, list groups that have only ticked articles.
115 If nil, only list groups that have unread articles."
116 :group 'gnus-group-listing
119 (defcustom gnus-group-default-list-level gnus-level-subscribed
120 "*Default listing level.
121 Ignored if `gnus-group-use-permanent-levels' is non-nil."
122 :group 'gnus-group-listing
125 (defcustom gnus-group-list-inactive-groups t
126 "*If non-nil, inactive groups will be listed."
127 :group 'gnus-group-listing
128 :group 'gnus-group-levels
131 (defcustom gnus-group-sort-function 'gnus-group-sort-by-alphabet
132 "*Function used for sorting the group buffer.
133 This function will be called with group info entries as the arguments
134 for the groups to be sorted. Pre-made functions include
135 `gnus-group-sort-by-alphabet', `gnus-group-sort-by-real-name',
136 `gnus-group-sort-by-unread', `gnus-group-sort-by-level',
137 `gnus-group-sort-by-score', `gnus-group-sort-by-method',
138 `gnus-group-sort-by-server', and `gnus-group-sort-by-rank'.
140 This variable can also be a list of sorting functions. In that case,
141 the most significant sort function should be the last function in the
143 :group 'gnus-group-listing
144 :link '(custom-manual "(gnus)Sorting Groups")
145 :type '(repeat :value-to-internal (lambda (widget value)
146 (if (listp value) value (list value)))
147 :match (lambda (widget value)
149 (widget-editable-list-match widget value)))
150 (choice (function-item gnus-group-sort-by-alphabet)
151 (function-item gnus-group-sort-by-real-name)
152 (function-item gnus-group-sort-by-unread)
153 (function-item gnus-group-sort-by-level)
154 (function-item gnus-group-sort-by-score)
155 (function-item gnus-group-sort-by-method)
156 (function-item gnus-group-sort-by-server)
157 (function-item gnus-group-sort-by-rank)
158 (function :tag "other" nil))))
160 (defcustom gnus-group-line-format "%M\%S\%p\%P\%5y:%B%(%g%)\n"
161 "*Format of group lines.
162 It works along the same lines as a normal formatting string,
163 with some simple extensions.
165 %M Only marked articles (character, \"*\" or \" \")
166 %S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
167 %L Level of subscribedness (integer)
168 %N Number of unread articles (integer)
169 %I Number of dormant articles (integer)
170 %i Number of ticked and dormant (integer)
171 %T Number of ticked articles (integer)
172 %R Number of read articles (integer)
173 %U Number of unseen articles (integer)
174 %t Estimated total number of articles (integer)
175 %y Number of unread, unticked articles (integer)
176 %G Group name (string)
177 %g Qualified group name (string)
178 %c Short (collapsed) group name. See `gnus-group-uncollapsed-levels'.
179 %C Group comment (string)
180 %D Group description (string)
181 %s Select method (string)
182 %o Moderated group (char, \"m\")
183 %p Process mark (char)
184 %B Whether a summary buffer for the group is open (char, \"*\")
185 %O Moderated group (string, \"(m)\" or \"\")
186 %P Topic indentation (string)
187 %m Whether there is new(ish) mail in the group (char, \"%\")
188 %n Select from where (string)
189 %z A string that look like `<%s:%n>' if a foreign select method is used
190 %d The date the group was last entered.
191 %E Icon as defined by `gnus-group-icon-list'.
192 %F The disk space used by the articles fetched by both the cache and agent.
193 %u User defined specifier. The next character in the format string should
194 be a letter. Gnus will call the function gnus-user-format-function-X,
195 where X is the letter following %u. The function will be passed a
196 single dummy parameter as argument. The function should return a
197 string, which will be inserted into the buffer just like information
198 from any other group specifier.
200 Note that this format specification is not always respected. For
201 reasons of efficiency, when listing killed groups, this specification
202 is ignored altogether. If the spec is changed considerably, your
203 output may end up looking strange when listing both alive and killed
206 If you use %o or %O, reading the active file will be slower and quite
207 a bit of extra memory will be used. %D and %F will also worsen
208 performance. Also note that if you change the format specification to
209 include any of these specs, you must probably re-start Gnus to see
212 General format specifiers can also be used.
213 See Info node `(gnus)Formatting Variables'."
214 :link '(custom-manual "(gnus)Formatting Variables")
215 :group 'gnus-group-visual
218 (defcustom gnus-group-mode-line-format "Gnus: %%b {%M\%:%S}"
219 "*The format specification for the group mode line.
220 It works along the same lines as a normal formatting string,
221 with some simple extensions:
223 %S The native news server.
224 %M The native select method.
225 %: \":\" if %S isn't \"\"."
226 :group 'gnus-group-visual
229 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
230 (when (featurep 'xemacs)
231 (add-hook 'gnus-group-mode-hook 'gnus-xmas-group-menu-add)
232 (add-hook 'gnus-group-mode-hook 'gnus-xmas-setup-group-toolbar))
234 (defcustom gnus-group-menu-hook nil
235 "Hook run after the creation of the group mode menu."
236 :group 'gnus-group-various
239 (defcustom gnus-group-catchup-group-hook nil
240 "Hook run when catching up a group from the group buffer."
241 :group 'gnus-group-various
242 :link '(custom-manual "(gnus)Group Data")
245 (defcustom gnus-group-update-group-hook nil
246 "Hook called when updating group lines."
247 :group 'gnus-group-visual
250 (defcustom gnus-group-prepare-function 'gnus-group-prepare-flat
251 "*A function that is called to generate the group buffer.
252 The function is called with three arguments: The first is a number;
253 all group with a level less or equal to that number should be listed,
254 if the second is non-nil, empty groups should also be displayed. If
255 the third is non-nil, it is a number. No groups with a level lower
256 than this number should be displayed.
258 The only current function implemented is `gnus-group-prepare-flat'."
259 :group 'gnus-group-listing
262 (defcustom gnus-group-prepare-hook nil
263 "Hook called after the group buffer has been generated.
264 If you want to modify the group buffer, you can use this hook."
265 :group 'gnus-group-listing
268 (defcustom gnus-suspend-gnus-hook nil
269 "Hook called when suspending (not exiting) Gnus."
273 (defcustom gnus-exit-gnus-hook nil
274 "Hook called when exiting Gnus."
278 (defcustom gnus-after-exiting-gnus-hook nil
279 "Hook called after exiting Gnus."
283 (defcustom gnus-group-update-hook nil
284 "Hook called when a group line is changed."
285 :group 'gnus-group-visual
289 (defcustom gnus-useful-groups
290 '(("(ding) mailing list mirrored at gmane.org"
291 "gmane.emacs.gnus.general"
293 (nntp-address "news.gmane.org")))
296 (nntp "news.gnus.org"
297 (nntp-address "news.gnus.org")))
298 ("Local Gnus help group"
301 (nndoc-article-type mbox)
302 (eval `(nndoc-address
303 ,(let ((file (nnheader-find-etc-directory
306 (error "Couldn't find doc group"))
308 "*Alist of useful group-server pairs."
309 :group 'gnus-group-listing
310 :type '(repeat (list (string :tag "Description")
312 (sexp :tag "Method"))))
314 (defcustom gnus-group-highlight
316 ((and mailp (= unread 0) (eq level 1)) .
317 gnus-group-mail-1-empty)
318 ((and mailp (eq level 1)) .
320 ((and mailp (= unread 0) (eq level 2)) .
321 gnus-group-mail-2-empty)
322 ((and mailp (eq level 2)) .
324 ((and mailp (= unread 0) (eq level 3)) .
325 gnus-group-mail-3-empty)
326 ((and mailp (eq level 3)) .
328 ((and mailp (= unread 0)) .
329 gnus-group-mail-low-empty)
333 ((and (= unread 0) (eq level 1)) .
334 gnus-group-news-1-empty)
335 ((and (eq level 1)) .
337 ((and (= unread 0) (eq level 2)) .
338 gnus-group-news-2-empty)
339 ((and (eq level 2)) .
341 ((and (= unread 0) (eq level 3)) .
342 gnus-group-news-3-empty)
343 ((and (eq level 3)) .
345 ((and (= unread 0) (eq level 4)) .
346 gnus-group-news-4-empty)
347 ((and (eq level 4)) .
349 ((and (= unread 0) (eq level 5)) .
350 gnus-group-news-5-empty)
351 ((and (eq level 5)) .
353 ((and (= unread 0) (eq level 6)) .
354 gnus-group-news-6-empty)
355 ((and (eq level 6)) .
357 ((and (= unread 0)) .
358 gnus-group-news-low-empty)
360 gnus-group-news-low))
361 "*Controls the highlighting of group buffer lines.
363 Below is a list of `Form'/`Face' pairs. When deciding how a a
364 particular group line should be displayed, each form is
365 evaluated. The content of the face field after the first true form is
366 used. You can change how those group lines are displayed by
367 editing the face field.
369 It is also possible to change and add form fields, but currently that
370 requires an understanding of Lisp expressions. Hopefully this will
371 change in a future release. For now, you can use the following
372 variables in the Lisp expression:
374 group: The name of the group.
375 unread: The number of unread articles in the group.
376 method: The select method used.
377 mailp: Whether it's a mail group or not.
378 level: The level of the group.
379 score: The score of the group.
380 ticked: The number of ticked articles."
381 :group 'gnus-group-visual
382 :type '(repeat (cons (sexp :tag "Form") face)))
383 (put 'gnus-group-highlight 'risky-local-variable t)
385 (defcustom gnus-new-mail-mark ?%
386 "Mark used for groups with new mail."
387 :group 'gnus-group-visual
390 (defgroup gnus-group-icons nil
391 "Add Icons to your group buffer."
392 :group 'gnus-group-visual)
394 (defcustom gnus-group-icon-list
396 "*Controls the insertion of icons into group buffer lines.
398 Below is a list of `Form'/`File' pairs. When deciding how a
399 particular group line should be displayed, each form is evaluated.
400 The icon from the file field after the first true form is used. You
401 can change how those group lines are displayed by editing the file
402 field. The File will either be found in the
403 `gnus-group-glyph-directory' or by designating absolute name of the
406 It is also possible to change and add form fields, but currently that
407 requires an understanding of Lisp expressions. Hopefully this will
408 change in a future release. For now, you can use the following
409 variables in the Lisp expression:
411 group: The name of the group.
412 unread: The number of unread articles in the group.
413 method: The select method used.
414 mailp: Whether it's a mail group or not.
415 level: The level of the group.
416 score: The score of the group.
417 ticked: The number of ticked articles."
418 :group 'gnus-group-icons
419 :type '(repeat (cons (sexp :tag "Form") file)))
420 (put 'gnus-group-icon-list 'risky-local-variable t)
422 (defcustom gnus-group-name-charset-method-alist nil
423 "Alist of method and the charset for group names.
426 (((nntp \"news.com.cn\") . cn-gb-2312))"
429 :type '(repeat (cons (sexp :tag "Method") (symbol :tag "Charset"))))
431 (defcustom gnus-group-name-charset-group-alist
432 (if (or (and (fboundp 'find-coding-system) (find-coding-system 'utf-8))
433 (mm-coding-system-p 'utf-8))
436 "Alist of group regexp and the charset for group names.
439 ((\"\\.com\\.cn:\" . cn-gb-2312))"
441 :type '(repeat (cons (regexp :tag "Group") (symbol :tag "Charset"))))
443 (defcustom gnus-group-jump-to-group-prompt nil
444 "Default prompt for `gnus-group-jump-to-group'.
446 If non-nil, the value should be a string or an alist. If it is a string,
447 e.g. \"nnml:\", in which case `gnus-group-jump-to-group' offers \"Group:
448 nnml:\" in the minibuffer prompt.
450 If it is an alist, it must consist of \(NUMBER . PROMPT\) pairs, for example:
451 \((1 . \"\") (2 . \"nnfolder+archive:\")). The element with number 0 is
452 used when no prefix argument is given to `gnus-group-jump-to-group'."
454 :group 'gnus-group-various
455 :type '(choice (string :tag "Prompt string")
456 (const :tag "Empty" nil)
457 (repeat (cons (integer :tag "Argument")
458 (string :tag "Prompt string")))))
460 (defvar gnus-group-listing-limit 1000
461 "*A limit of the number of groups when listing.
462 If the number of groups is larger than the limit, list them in a
465 ;;; Internal variables
467 (defvar gnus-group-is-exiting-p nil)
468 (defvar gnus-group-is-exiting-without-update-p nil)
469 (defvar gnus-group-sort-alist-function 'gnus-group-sort-flat
470 "Function for sorting the group buffer.")
472 (defvar gnus-group-sort-selected-function 'gnus-group-sort-selected-flat
473 "Function for sorting the selected groups in the group buffer.")
475 (defvar gnus-group-indentation-function nil)
476 (defvar gnus-goto-missing-group-function nil)
477 (defvar gnus-group-update-group-function nil)
478 (defvar gnus-group-goto-next-group-function nil
479 "Function to override finding the next group after listing groups.")
481 (defvar gnus-group-edit-buffer nil)
483 (defvar gnus-group-line-format-alist
484 `((?M gnus-tmp-marked-mark ?c)
485 (?S gnus-tmp-subscribed ?c)
486 (?L gnus-tmp-level ?d)
487 (?N (cond ((eq number t) "*" )
491 (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
492 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
494 (?R gnus-tmp-number-of-read ?s)
495 (?U (if (gnus-active gnus-tmp-group)
496 (gnus-number-of-unseen-articles-in-group gnus-tmp-group)
499 (?t gnus-tmp-number-total ?d)
500 (?y gnus-tmp-number-of-unread ?s)
501 (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
502 (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
503 (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
504 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
505 (?g (if (boundp 'gnus-tmp-decoded-group)
506 gnus-tmp-decoded-group
509 (?G gnus-tmp-qualified-group ?s)
510 (?c (gnus-short-group-name (if (boundp 'gnus-tmp-decoded-group)
511 gnus-tmp-decoded-group
514 (?C gnus-tmp-comment ?s)
515 (?D gnus-tmp-newsgroup-description ?s)
516 (?o gnus-tmp-moderated ?c)
517 (?O gnus-tmp-moderated-string ?s)
518 (?p gnus-tmp-process-marked ?c)
519 (?s gnus-tmp-news-server ?s)
520 (?n ,(if (featurep 'xemacs)
521 '(symbol-name gnus-tmp-news-method)
522 'gnus-tmp-news-method)
524 (?P gnus-group-indentation ?s)
525 (?E gnus-tmp-group-icon ?s)
526 (?B gnus-tmp-summary-live ?c)
527 (?z gnus-tmp-news-method-string ?s)
528 (?m (gnus-group-new-mail gnus-tmp-group) ?c)
529 (?d (gnus-group-timestamp-string gnus-tmp-group) ?s)
530 (?u gnus-tmp-user-defined ?s)
531 (?F (gnus-total-fetched-for gnus-tmp-group) ?s)
534 (defvar gnus-group-mode-line-format-alist
535 `((?S gnus-tmp-news-server ?s)
536 (?M gnus-tmp-news-method ?s)
537 (?u gnus-tmp-user-defined ?s)
538 (?: gnus-tmp-colon ?s)))
540 (defvar gnus-topic-topology nil
541 "The complete topic hierarchy.")
543 (defvar gnus-topic-alist nil
544 "The complete topic-group alist.")
546 (defvar gnus-group-marked nil)
548 (defvar gnus-group-list-mode nil)
551 (defvar gnus-group-listed-groups nil)
552 (defvar gnus-group-list-option nil)
558 (put 'gnus-group-mode 'mode-class 'special)
560 (gnus-define-keys gnus-group-mode-map
561 " " gnus-group-read-group
562 "=" gnus-group-select-group
563 "\r" gnus-group-select-group
564 "\M-\r" gnus-group-quick-select-group
565 "\M- " gnus-group-visible-select-group
566 [(meta control return)] gnus-group-select-group-ephemerally
567 "j" gnus-group-jump-to-group
568 "n" gnus-group-next-unread-group
569 "p" gnus-group-prev-unread-group
570 "\177" gnus-group-prev-unread-group
571 [delete] gnus-group-prev-unread-group
572 [backspace] gnus-group-prev-unread-group
573 "N" gnus-group-next-group
574 "P" gnus-group-prev-group
575 "\M-n" gnus-group-next-unread-group-same-level
576 "\M-p" gnus-group-prev-unread-group-same-level
577 "," gnus-group-best-unread-group
578 "." gnus-group-first-unread-group
579 "u" gnus-group-unsubscribe-current-group
580 "U" gnus-group-unsubscribe-group
581 "c" gnus-group-catchup-current
582 "C" gnus-group-catchup-current-all
583 "\M-c" gnus-group-clear-data
584 "l" gnus-group-list-groups
585 "L" gnus-group-list-all-groups
588 "g" gnus-group-get-new-news
589 "\M-g" gnus-group-get-new-news-this-group
590 "R" gnus-group-restart
591 "r" gnus-group-read-init-file
592 "B" gnus-group-browse-foreign-server
593 "b" gnus-group-check-bogus-groups
594 "F" gnus-group-find-new-groups
595 "\C-c\C-d" gnus-group-describe-group
596 "\M-d" gnus-group-describe-all-groups
597 "\C-c\C-a" gnus-group-apropos
598 "\C-c\M-\C-a" gnus-group-description-apropos
599 "a" gnus-group-post-news
600 "\ek" gnus-group-edit-local-kill
601 "\eK" gnus-group-edit-global-kill
602 "\C-k" gnus-group-kill-group
603 "\C-y" gnus-group-yank-group
604 "\C-w" gnus-group-kill-region
605 "\C-x\C-t" gnus-group-transpose-groups
606 "\C-c\C-l" gnus-group-list-killed
607 "\C-c\C-x" gnus-group-expire-articles
608 "\C-c\M-\C-x" gnus-group-expire-all-groups
610 "s" gnus-group-save-newsrc
611 "z" gnus-group-suspend
614 "?" gnus-group-describe-briefly
615 "\C-c\C-i" gnus-info-find-node
616 "\M-e" gnus-group-edit-group-method
617 "^" gnus-group-enter-server-mode
618 gnus-mouse-2 gnus-mouse-pick-group
619 [follow-link] mouse-face
620 "<" beginning-of-buffer
623 "\C-c\C-s" gnus-group-sort-groups
625 "\C-c\M-g" gnus-activate-all-groups
626 "\M-&" gnus-group-universal-argument
627 "#" gnus-group-mark-group
628 "\M-#" gnus-group-unmark-group)
630 (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
631 "m" gnus-group-mark-group
632 "u" gnus-group-unmark-group
633 "w" gnus-group-mark-region
634 "b" gnus-group-mark-buffer
635 "r" gnus-group-mark-regexp
636 "U" gnus-group-unmark-all-groups)
638 (gnus-define-keys (gnus-group-sieve-map "D" gnus-group-mode-map)
639 "u" gnus-sieve-update
640 "g" gnus-sieve-generate)
642 (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
643 "d" gnus-group-make-directory-group
644 "h" gnus-group-make-help-group
645 "u" gnus-group-make-useful-group
646 "l" gnus-group-nnimap-edit-acl
647 "m" gnus-group-make-group
648 "E" gnus-group-edit-group
649 "e" gnus-group-edit-group-method
650 "p" gnus-group-edit-group-parameters
651 "v" gnus-group-add-to-virtual
652 "V" gnus-group-make-empty-virtual
653 "D" gnus-group-enter-directory
654 "f" gnus-group-make-doc-group
655 "w" gnus-group-make-web-group
656 "M" gnus-group-read-ephemeral-group
657 "r" gnus-group-rename-group
658 "R" gnus-group-make-rss-group
659 "c" gnus-group-customize
660 "z" gnus-group-compact-group
661 "x" gnus-group-expunge-group
662 "\177" gnus-group-delete-group
663 [delete] gnus-group-delete-group)
665 (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
666 "s" gnus-group-sort-groups
667 "a" gnus-group-sort-groups-by-alphabet
668 "u" gnus-group-sort-groups-by-unread
669 "l" gnus-group-sort-groups-by-level
670 "v" gnus-group-sort-groups-by-score
671 "r" gnus-group-sort-groups-by-rank
672 "m" gnus-group-sort-groups-by-method
673 "n" gnus-group-sort-groups-by-real-name)
675 (gnus-define-keys (gnus-group-sort-selected-map "P" gnus-group-group-map)
676 "s" gnus-group-sort-selected-groups
677 "a" gnus-group-sort-selected-groups-by-alphabet
678 "u" gnus-group-sort-selected-groups-by-unread
679 "l" gnus-group-sort-selected-groups-by-level
680 "v" gnus-group-sort-selected-groups-by-score
681 "r" gnus-group-sort-selected-groups-by-rank
682 "m" gnus-group-sort-selected-groups-by-method
683 "n" gnus-group-sort-selected-groups-by-real-name)
685 (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
686 "k" gnus-group-list-killed
687 "z" gnus-group-list-zombies
688 "s" gnus-group-list-groups
689 "u" gnus-group-list-all-groups
690 "A" gnus-group-list-active
691 "a" gnus-group-apropos
692 "d" gnus-group-description-apropos
693 "m" gnus-group-list-matching
694 "M" gnus-group-list-all-matching
695 "l" gnus-group-list-level
696 "c" gnus-group-list-cached
697 "?" gnus-group-list-dormant)
699 (gnus-define-keys (gnus-group-list-limit-map "/" gnus-group-list-map)
700 "k" gnus-group-list-limit
701 "z" gnus-group-list-limit
702 "s" gnus-group-list-limit
703 "u" gnus-group-list-limit
704 "A" gnus-group-list-limit
705 "m" gnus-group-list-limit
706 "M" gnus-group-list-limit
707 "l" gnus-group-list-limit
708 "c" gnus-group-list-limit
709 "?" gnus-group-list-limit)
711 (gnus-define-keys (gnus-group-list-flush-map "f" gnus-group-list-map)
712 "k" gnus-group-list-flush
713 "z" gnus-group-list-flush
714 "s" gnus-group-list-flush
715 "u" gnus-group-list-flush
716 "A" gnus-group-list-flush
717 "m" gnus-group-list-flush
718 "M" gnus-group-list-flush
719 "l" gnus-group-list-flush
720 "c" gnus-group-list-flush
721 "?" gnus-group-list-flush)
723 (gnus-define-keys (gnus-group-list-plus-map "p" gnus-group-list-map)
724 "k" gnus-group-list-plus
725 "z" gnus-group-list-plus
726 "s" gnus-group-list-plus
727 "u" gnus-group-list-plus
728 "A" gnus-group-list-plus
729 "m" gnus-group-list-plus
730 "M" gnus-group-list-plus
731 "l" gnus-group-list-plus
732 "c" gnus-group-list-plus
733 "?" gnus-group-list-plus)
735 (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
736 "f" gnus-score-flush-cache
737 "e" gnus-score-edit-all-score)
739 (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
740 "C" gnus-group-fetch-control
741 "d" gnus-group-describe-group
744 (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
745 "l" gnus-group-set-current-level
746 "t" gnus-group-unsubscribe-current-group
747 "s" gnus-group-unsubscribe-group
748 "k" gnus-group-kill-group
749 "y" gnus-group-yank-group
750 "w" gnus-group-kill-region
751 "\C-k" gnus-group-kill-level
752 "z" gnus-group-kill-all-zombies)
754 (defun gnus-topic-mode-p ()
755 "Return non-nil in `gnus-topic-mode'."
756 (and (boundp 'gnus-topic-mode)
757 (symbol-value 'gnus-topic-mode)))
759 (defun gnus-group-make-menu-bar ()
760 (gnus-turn-off-edit-menu 'group)
761 (unless (boundp 'gnus-group-reading-menu)
764 gnus-group-reading-menu gnus-group-mode-map ""
766 ["Read" gnus-group-read-group
767 :included (not (gnus-topic-mode-p))
768 :active (gnus-group-group-name)]
769 ["Read " gnus-topic-read-group
770 :included (gnus-topic-mode-p)]
771 ["Select" gnus-group-select-group
772 :included (not (gnus-topic-mode-p))
773 :active (gnus-group-group-name)]
774 ["Select " gnus-topic-select-group
775 :included (gnus-topic-mode-p)]
776 ["See old articles" (gnus-group-select-group 'all)
777 :keys "C-u SPC" :active (gnus-group-group-name)]
778 ["Catch up" gnus-group-catchup-current
779 :included (not (gnus-topic-mode-p))
780 :active (gnus-group-group-name)
781 ,@(if (featurep 'xemacs) nil
782 '(:help "Mark unread articles in the current group as read"))]
783 ["Catch up " gnus-topic-catchup-articles
784 :included (gnus-topic-mode-p)
785 ,@(if (featurep 'xemacs) nil
786 '(:help "Mark unread articles in the current group or topic as read"))]
787 ["Catch up all articles" gnus-group-catchup-current-all
788 (gnus-group-group-name)]
789 ["Check for new articles" gnus-group-get-new-news-this-group
790 :included (not (gnus-topic-mode-p))
791 :active (gnus-group-group-name)
792 ,@(if (featurep 'xemacs) nil
793 '(:help "Check for new messages in current group"))]
794 ["Check for new articles " gnus-topic-get-new-news-this-topic
795 :included (gnus-topic-mode-p)
796 ,@(if (featurep 'xemacs) nil
797 '(:help "Check for new messages in current group or topic"))]
798 ["Toggle subscription" gnus-group-unsubscribe-current-group
799 (gnus-group-group-name)]
800 ["Kill" gnus-group-kill-group :active (gnus-group-group-name)
801 ,@(if (featurep 'xemacs) nil
802 '(:help "Kill (remove) current group"))]
803 ["Yank" gnus-group-yank-group gnus-list-of-killed-groups]
804 ["Describe" gnus-group-describe-group :active (gnus-group-group-name)
805 ,@(if (featurep 'xemacs) nil
806 '(:help "Display description of the current group"))]
807 ["Fetch control message" gnus-group-fetch-control
808 :active (gnus-group-group-name)
809 ,@(if (featurep 'xemacs) nil
810 '(:help "Display the archived control message for the current group"))]
811 ;; Actually one should check, if any of the marked groups gives t for
812 ;; (gnus-check-backend-function 'request-expire-articles ...)
813 ["Expire articles" gnus-group-expire-articles
814 :included (not (gnus-topic-mode-p))
815 :active (or (and (gnus-group-group-name)
816 (gnus-check-backend-function
817 'request-expire-articles
818 (gnus-group-group-name))) gnus-group-marked)]
819 ["Expire articles " gnus-topic-expire-articles
820 :included (gnus-topic-mode-p)]
821 ["Set group level..." gnus-group-set-current-level
822 (gnus-group-group-name)]
823 ["Select quick" gnus-group-quick-select-group (gnus-group-group-name)]
824 ["Customize" gnus-group-customize (gnus-group-group-name)]
825 ["Compact" gnus-group-compact-group
826 :active (gnus-group-group-name)]
828 ["Parameters" gnus-group-edit-group-parameters
829 :included (not (gnus-topic-mode-p))
830 :active (gnus-group-group-name)]
831 ["Parameters " gnus-topic-edit-parameters
832 :included (gnus-topic-mode-p)]
833 ["Select method" gnus-group-edit-group-method
834 (gnus-group-group-name)]
835 ["Info" gnus-group-edit-group (gnus-group-group-name)]
836 ["Local kill file" gnus-group-edit-local-kill (gnus-group-group-name)]
837 ["Global kill file" gnus-group-edit-global-kill t])))
840 gnus-group-group-menu gnus-group-mode-map ""
843 ["List unread subscribed groups" gnus-group-list-groups t]
844 ["List (un)subscribed groups" gnus-group-list-all-groups t]
845 ["List killed groups" gnus-group-list-killed gnus-killed-list]
846 ["List zombie groups" gnus-group-list-zombies gnus-zombie-list]
847 ["List level..." gnus-group-list-level t]
848 ["Describe all groups" gnus-group-describe-all-groups t]
849 ["Group apropos..." gnus-group-apropos t]
850 ["Group and description apropos..." gnus-group-description-apropos t]
851 ["List groups matching..." gnus-group-list-matching t]
852 ["List all groups matching..." gnus-group-list-all-matching t]
853 ["List active file" gnus-group-list-active t]
854 ["List groups with cached" gnus-group-list-cached t]
855 ["List groups with dormant" gnus-group-list-dormant t])
857 ["Default sort" gnus-group-sort-groups t]
858 ["Sort by method" gnus-group-sort-groups-by-method t]
859 ["Sort by rank" gnus-group-sort-groups-by-rank t]
860 ["Sort by score" gnus-group-sort-groups-by-score t]
861 ["Sort by level" gnus-group-sort-groups-by-level t]
862 ["Sort by unread" gnus-group-sort-groups-by-unread t]
863 ["Sort by name" gnus-group-sort-groups-by-alphabet t]
864 ["Sort by real name" gnus-group-sort-groups-by-real-name t])
865 ("Sort process/prefixed"
866 ["Default sort" gnus-group-sort-selected-groups
867 (not (gnus-topic-mode-p))]
868 ["Sort by method" gnus-group-sort-selected-groups-by-method
869 (not (gnus-topic-mode-p))]
870 ["Sort by rank" gnus-group-sort-selected-groups-by-rank
871 (not (gnus-topic-mode-p))]
872 ["Sort by score" gnus-group-sort-selected-groups-by-score
873 (not (gnus-topic-mode-p))]
874 ["Sort by level" gnus-group-sort-selected-groups-by-level
875 (not (gnus-topic-mode-p))]
876 ["Sort by unread" gnus-group-sort-selected-groups-by-unread
877 (not (gnus-topic-mode-p))]
878 ["Sort by name" gnus-group-sort-selected-groups-by-alphabet
879 (not (gnus-topic-mode-p))]
880 ["Sort by real name" gnus-group-sort-selected-groups-by-real-name
881 (not (gnus-topic-mode-p))])
883 ["Mark group" gnus-group-mark-group
884 (and (gnus-group-group-name)
885 (not (memq (gnus-group-group-name) gnus-group-marked)))]
886 ["Unmark group" gnus-group-unmark-group
887 (and (gnus-group-group-name)
888 (memq (gnus-group-group-name) gnus-group-marked))]
889 ["Unmark all" gnus-group-unmark-all-groups gnus-group-marked]
890 ["Mark regexp..." gnus-group-mark-regexp t]
891 ["Mark region" gnus-group-mark-region :active (gnus-mark-active-p)]
892 ["Mark buffer" gnus-group-mark-buffer t]
893 ["Execute command" gnus-group-universal-argument
894 (or gnus-group-marked (gnus-group-group-name))])
896 ["Subscribe to a group..." gnus-group-unsubscribe-group t]
897 ["Kill all newsgroups in region" gnus-group-kill-region
898 :active (gnus-mark-active-p)]
899 ["Kill all zombie groups" gnus-group-kill-all-zombies
901 ["Kill all groups on level..." gnus-group-kill-level t])
903 ["Make a foreign group..." gnus-group-make-group t]
904 ["Add a directory group..." gnus-group-make-directory-group t]
905 ["Add the help group" gnus-group-make-help-group t]
906 ["Make a doc group..." gnus-group-make-doc-group t]
907 ["Make a web group..." gnus-group-make-web-group t]
908 ["Make a virtual group..." gnus-group-make-empty-virtual t]
909 ["Add a group to a virtual..." gnus-group-add-to-virtual t]
910 ["Make an ephemeral group..." gnus-group-read-ephemeral-group t]
911 ["Make an RSS group..." gnus-group-make-rss-group t]
912 ["Rename group..." gnus-group-rename-group
913 (gnus-check-backend-function
914 'request-rename-group (gnus-group-group-name))]
915 ["Delete group" gnus-group-delete-group
916 (gnus-check-backend-function
917 'request-delete-group (gnus-group-group-name))])
919 ["Next" gnus-group-next-group t]
920 ["Previous" gnus-group-prev-group t]
921 ["Next unread" gnus-group-next-unread-group t]
922 ["Previous unread" gnus-group-prev-unread-group t]
923 ["Next unread same level" gnus-group-next-unread-group-same-level t]
924 ["Previous unread same level"
925 gnus-group-prev-unread-group-same-level t]
926 ["Jump to group..." gnus-group-jump-to-group t]
927 ["First unread group" gnus-group-first-unread-group t]
928 ["Best unread group" gnus-group-best-unread-group t])
930 ["Generate" gnus-sieve-generate t]
931 ["Generate and update" gnus-sieve-update t])
932 ["Delete bogus groups" gnus-group-check-bogus-groups t]
933 ["Find new newsgroups" gnus-group-find-new-groups t]
934 ["Transpose" gnus-group-transpose-groups
935 (gnus-group-group-name)]
936 ["Read a directory as a group..." gnus-group-enter-directory t]))
939 gnus-group-misc-menu gnus-group-mode-map ""
941 ["Send a mail" gnus-group-mail t]
942 ["Send a message (mail or news)" gnus-group-post-news t]
943 ["Create a local message" gnus-group-news t]
944 ["Check for new news" gnus-group-get-new-news
945 ,@(if (featurep 'xemacs) '(t)
946 '(:help "Get newly arrived articles"))
948 ["Send queued messages" gnus-delay-send-queue
949 ,@(if (featurep 'xemacs) '(t)
950 '(:help "Send all messages that are scheduled to be sent now"))
952 ["Activate all groups" gnus-activate-all-groups t]
953 ["Restart Gnus" gnus-group-restart t]
954 ["Read init file" gnus-group-read-init-file t]
955 ["Browse foreign server..." gnus-group-browse-foreign-server t]
956 ["Enter server buffer" gnus-group-enter-server-mode t]
957 ["Expire all expirable articles" gnus-group-expire-all-groups t]
958 ["Gnus version" gnus-version t]
959 ["Save .newsrc files" gnus-group-save-newsrc t]
960 ["Suspend Gnus" gnus-group-suspend t]
961 ["Clear dribble buffer" gnus-group-clear-dribble t]
962 ["Read manual" gnus-info-find-node t]
963 ["Flush score cache" gnus-score-flush-cache t]
964 ["Toggle topics" gnus-topic-mode t]
965 ["Send a bug report" gnus-bug t]
966 ["Exit from Gnus" gnus-group-exit
967 ,@(if (featurep 'xemacs) '(t)
968 '(:help "Quit reading news"))]
969 ["Exit without saving" gnus-group-quit t]))
971 (gnus-run-hooks 'gnus-group-menu-hook)))
974 (defvar gnus-group-tool-bar-map nil)
976 (defun gnus-group-tool-bar-update (&optional symbol value)
977 "Update group buffer toolbar.
978 Setter function for custom variables."
980 (set-default symbol value))
981 ;; (setq-default gnus-group-tool-bar-map nil)
982 ;; (use-local-map gnus-group-mode-map)
984 (with-current-buffer gnus-group-buffer
985 (gnus-group-make-tool-bar t))))
987 (defcustom gnus-group-tool-bar (if (eq gmm-tool-bar-style 'gnome)
988 'gnus-group-tool-bar-gnome
989 'gnus-group-tool-bar-retro)
990 "Specifies the Gnus group tool bar.
992 It can be either a list or a symbol refering to a list. See
993 `gmm-tool-bar-from-list' for the format of the list. The
994 default key map is `gnus-group-mode-map'.
996 Pre-defined symbols include `gnus-group-tool-bar-gnome' and
997 `gnus-group-tool-bar-retro'."
998 :type '(choice (const :tag "GNOME style" gnus-group-tool-bar-gnome)
999 (const :tag "Retro look" gnus-group-tool-bar-retro)
1000 (repeat :tag "User defined list" gmm-tool-bar-item)
1002 :version "23.1" ;; No Gnus
1003 :initialize 'custom-initialize-default
1004 :set 'gnus-group-tool-bar-update
1007 (defcustom gnus-group-tool-bar-gnome
1008 '((gnus-group-post-news "mail/compose")
1009 ;; Some useful agent icons? I don't use the agent so agent users should
1010 ;; suggest useful commands:
1011 (gnus-agent-toggle-plugged "disconnect" t
1012 :help "Gnus is currently unplugged. Click to work online."
1013 :visible (and gnus-agent (not gnus-plugged)))
1014 (gnus-agent-toggle-plugged "connect" t
1015 :help "Gnus is currently plugged. Click to work offline."
1016 :visible (and gnus-agent gnus-plugged))
1017 ;; FIXME: gnus-agent-toggle-plugged (in gnus-agent-group-make-menu-bar)
1018 ;; should have a better help text.
1019 (gnus-group-send-queue "mail/outbox" t
1020 :visible (and gnus-agent gnus-plugged)
1021 :help "Send articles from the queue group")
1022 (gnus-group-get-new-news "mail/inbox" nil
1023 :visible (or (not gnus-agent)
1025 ;; FIXME: gnus-*-read-group should have a better help text.
1026 (gnus-topic-read-group "open" nil
1027 :visible (and (boundp 'gnus-topic-mode)
1029 (gnus-group-read-group "open" nil
1030 :visible (not (and (boundp 'gnus-topic-mode)
1032 ;; (gnus-group-find-new-groups "???" nil)
1033 (gnus-group-save-newsrc "save")
1034 (gnus-group-describe-group "describe")
1035 (gnus-group-unsubscribe-current-group "gnus/toggle-subscription")
1036 (gnus-group-prev-unread-group "left-arrow")
1037 (gnus-group-next-unread-group "right-arrow")
1038 (gnus-group-exit "exit")
1039 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
1040 (gnus-info-find-node "help"))
1041 "List of functions for the group tool bar (GNOME style).
1043 See `gmm-tool-bar-from-list' for the format of the list."
1044 :type '(repeat gmm-tool-bar-item)
1045 :version "23.1" ;; No Gnus
1046 :initialize 'custom-initialize-default
1047 :set 'gnus-group-tool-bar-update
1050 (defcustom gnus-group-tool-bar-retro
1051 '((gnus-group-get-new-news "gnus/get-news")
1052 (gnus-group-get-new-news-this-group "gnus/gnntg")
1053 (gnus-group-catchup-current "gnus/catchup")
1054 (gnus-group-describe-group "gnus/describe-group")
1055 (gnus-group-subscribe "gnus/subscribe" t
1056 :help "Subscribe to the current group")
1057 (gnus-group-unsubscribe "gnus/unsubscribe" t
1058 :help "Unsubscribe from the current group")
1059 (gnus-group-exit "gnus/exit-gnus" gnus-group-mode-map))
1060 "List of functions for the group tool bar (retro look).
1062 See `gmm-tool-bar-from-list' for the format of the list."
1063 :type '(repeat gmm-tool-bar-item)
1064 :version "23.1" ;; No Gnus
1065 :initialize 'custom-initialize-default
1066 :set 'gnus-group-tool-bar-update
1069 (defcustom gnus-group-tool-bar-zap-list t
1070 "List of icon items from the global tool bar.
1071 These items are not displayed in the Gnus group mode tool bar.
1073 See `gmm-tool-bar-from-list' for the format of the list."
1074 :type 'gmm-tool-bar-zap-list
1075 :version "23.1" ;; No Gnus
1076 :initialize 'custom-initialize-default
1077 :set 'gnus-group-tool-bar-update
1080 (defvar image-load-path)
1081 (defvar tool-bar-map)
1083 (defun gnus-group-make-tool-bar (&optional force)
1084 "Make a group mode tool bar from `gnus-group-tool-bar'.
1085 When FORCE, rebuild the tool bar."
1086 (when (and (not (featurep 'xemacs))
1087 (boundp 'tool-bar-mode)
1089 ;; The Gnus 5.10.6 code checked (default-value 'tool-bar-mode).
1091 (or (not gnus-group-tool-bar-map) force))
1093 (gmm-image-load-path-for-library "gnus"
1094 "gnus/toggle-subscription.xpm"
1096 (image-load-path (cons (car load-path)
1097 (when (boundp 'image-load-path)
1099 (map (gmm-tool-bar-from-list gnus-group-tool-bar
1100 gnus-group-tool-bar-zap-list
1101 'gnus-group-mode-map)))
1103 (set (make-local-variable 'tool-bar-map) map))))
1104 gnus-group-tool-bar-map)
1106 (defun gnus-group-mode ()
1107 "Major mode for reading news.
1109 All normal editing commands are switched off.
1110 \\<gnus-group-mode-map>
1111 The group buffer lists (some of) the groups available. For instance,
1112 `\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
1113 lists all zombie groups.
1115 Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
1116 to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
1118 For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
1120 The following commands are available:
1122 \\{gnus-group-mode-map}"
1124 (kill-all-local-variables)
1125 (when (gnus-visual-p 'group-menu 'menu)
1126 (gnus-group-make-menu-bar)
1127 (gnus-group-make-tool-bar))
1128 (gnus-simplify-mode-line)
1129 (setq major-mode 'gnus-group-mode)
1130 (setq mode-name "Group")
1131 (gnus-group-set-mode-line)
1132 (setq mode-line-process nil)
1133 (use-local-map gnus-group-mode-map)
1134 (buffer-disable-undo)
1135 (setq truncate-lines t)
1136 (setq buffer-read-only t
1137 show-trailing-whitespace nil)
1138 (gnus-set-default-directory)
1139 (gnus-update-format-specifications nil 'group 'group-mode)
1140 (gnus-update-group-mark-positions)
1145 (gnus-run-mode-hooks 'gnus-group-mode-hook))
1147 (defun gnus-update-group-mark-positions ()
1149 (let ((gnus-process-mark ?\200)
1150 (gnus-group-update-hook nil)
1151 (gnus-group-marked '("dummy.group"))
1152 (gnus-active-hashtb (make-vector 10 0))
1154 (gnus-set-active "dummy.group" '(0 . 0))
1155 (gnus-set-work-buffer)
1156 (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
1157 (goto-char (point-min))
1158 (setq gnus-group-mark-positions
1159 (list (cons 'process (and (search-forward
1160 (mm-string-to-multibyte "\200") nil t)
1161 (- (point) (point-min) 1))))))))
1163 (defun gnus-mouse-pick-group (e)
1164 "Enter the group under the mouse pointer."
1167 (gnus-group-read-group nil))
1169 ;; Look at LEVEL and find out what the level is really supposed to be.
1170 ;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
1171 ;; will depend on whether `gnus-group-use-permanent-levels' is used.
1172 (defun gnus-group-default-level (&optional level number-or-nil)
1174 (gnus-group-use-permanent-levels
1175 (or (setq gnus-group-use-permanent-levels
1176 (or level (if (numberp gnus-group-use-permanent-levels)
1177 gnus-group-use-permanent-levels
1178 (or gnus-group-default-list-level
1179 gnus-level-subscribed))))
1180 gnus-group-default-list-level gnus-level-subscribed))
1184 (or level gnus-group-default-list-level gnus-level-subscribed))))
1186 (defun gnus-group-setup-buffer ()
1187 (set-buffer (gnus-get-buffer-create gnus-group-buffer))
1188 (unless (eq major-mode 'gnus-group-mode)
1191 (defun gnus-group-name-charset (method group)
1193 (setq method (gnus-find-method-for-group group)))
1194 (let ((item (or (assoc method gnus-group-name-charset-method-alist)
1196 (assoc (list (car method) (cadr method))
1197 gnus-group-name-charset-method-alist))))
1198 (alist gnus-group-name-charset-group-alist)
1202 (while (setq item (pop alist))
1203 (if (string-match (car item) group)
1205 result (cdr item))))
1208 (defun gnus-group-name-decode (string charset)
1209 ;; Fixme: Don't decode in unibyte mode.
1210 (if (and string charset (featurep 'mule))
1211 (mm-decode-coding-string string charset)
1214 (defun gnus-group-decoded-name (string)
1215 (let ((charset (gnus-group-name-charset nil string)))
1216 (gnus-group-name-decode string charset)))
1218 (defun gnus-group-list-groups (&optional level unread lowest)
1219 "List newsgroups with level LEVEL or lower that have unread articles.
1220 Default is all subscribed groups.
1221 If argument UNREAD is non-nil, groups with no unread articles are also
1224 Also see the `gnus-group-use-permanent-levels' variable."
1226 (list (if current-prefix-arg
1227 (prefix-numeric-value current-prefix-arg)
1229 (gnus-group-default-level nil t)
1230 gnus-group-default-list-level
1231 gnus-level-subscribed))))
1233 (setq level (car gnus-group-list-mode)
1234 unread (cdr gnus-group-list-mode)))
1235 (setq level (gnus-group-default-level level))
1236 (gnus-group-setup-buffer)
1237 (gnus-update-format-specifications nil 'group 'group-mode)
1238 (let ((case-fold-search nil)
1239 (props (text-properties-at (point-at-bol)))
1240 (empty (= (point-min) (point-max)))
1241 (group (gnus-group-group-name))
1243 (set-buffer gnus-group-buffer)
1244 (setq number (funcall gnus-group-prepare-function level unread lowest))
1245 (when (or (and (numberp number)
1247 (zerop (buffer-size)))
1248 ;; No groups in the buffer.
1249 (gnus-message 5 "%s" gnus-no-groups-message))
1250 ;; We have some groups displayed.
1251 (goto-char (point-max))
1252 (when (or (not gnus-group-goto-next-group-function)
1253 (not (funcall gnus-group-goto-next-group-function
1257 (goto-char (point-min)))
1259 ;; Go to the first group with unread articles.
1260 (gnus-group-search-forward t))
1262 ;; Find the right group to put point on. If the current group
1263 ;; has disappeared in the new listing, try to find the next
1264 ;; one. If no next one can be found, just leave point at the
1265 ;; first newsgroup in the buffer.
1266 (when (not (gnus-goto-char
1268 (point-min) (point-max)
1269 'gnus-group (gnus-intern-safe
1270 group gnus-active-hashtb))))
1271 (let ((newsrc (cdddr (gnus-group-entry group))))
1273 (not (gnus-goto-char
1275 (point-min) (point-max) 'gnus-group
1277 (caar newsrc) gnus-active-hashtb)))))
1278 (setq newsrc (cdr newsrc)))
1280 (goto-char (point-max))
1281 (forward-line -1)))))))
1282 ;; Adjust cursor point.
1283 (gnus-group-position-point)))
1285 (defun gnus-group-list-level (level &optional all)
1286 "List groups on LEVEL.
1287 If ALL (the prefix), also list groups that have no unread articles."
1288 (interactive "nList groups on level: \nP")
1289 (gnus-group-list-groups level all level))
1291 (defun gnus-group-prepare-logic (group test)
1292 (or (and gnus-group-listed-groups
1293 (null gnus-group-list-option)
1294 (member group gnus-group-listed-groups))
1296 ((null gnus-group-listed-groups) test)
1297 ((null gnus-group-list-option) test)
1298 (t (and (member group gnus-group-listed-groups)
1299 (if (eq gnus-group-list-option 'flush)
1303 (defun gnus-group-prepare-flat (level &optional predicate lowest regexp)
1304 "List all newsgroups with unread articles of level LEVEL or lower.
1305 If PREDICATE is a function, list groups that the function returns non-nil;
1306 if it is t, list groups that have no unread articles.
1307 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
1308 If REGEXP is a function, list dead groups that the function returns non-nil;
1309 if it is a string, only list groups matching REGEXP."
1310 (set-buffer gnus-group-buffer)
1311 (let ((buffer-read-only nil)
1312 (newsrc (cdr gnus-newsrc-alist))
1313 (lowest (or lowest 1))
1314 (not-in-list (and gnus-group-listed-groups
1315 (copy-sequence gnus-group-listed-groups)))
1316 info clevel unread group params)
1318 (when (or (< lowest gnus-level-zombie)
1319 gnus-group-listed-groups)
1320 ;; List living groups.
1322 (setq info (car newsrc)
1323 group (gnus-info-group info)
1324 params (gnus-info-params info)
1326 unread (gnus-group-unread group))
1328 (setq not-in-list (delete group not-in-list)))
1329 (when (gnus-group-prepare-logic
1331 (and (or unread ; This group might be unchecked
1332 predicate) ; Check if this group should be listed
1333 (or (not (stringp regexp))
1334 (string-match regexp group))
1335 (<= (setq clevel (gnus-info-level info)) level)
1338 ((functionp predicate)
1339 (funcall predicate info))
1340 (predicate t) ; We list all groups?
1343 (if (eq unread t) ; Unactivated?
1344 gnus-group-list-inactive-groups
1345 ; We list unactivated
1346 (and (numberp unread) (> unread 0)))
1347 ; We list groups with unread articles
1348 (and gnus-list-groups-with-ticked-articles
1349 (cdr (assq 'tick (gnus-info-marks info))))
1350 ; And groups with tickeds
1351 ;; Check for permanent visibility.
1352 (and gnus-permanently-visible-groups
1353 (string-match gnus-permanently-visible-groups
1355 (memq 'visible params)
1356 (cdr (assq 'visible params)))))))
1357 (gnus-group-insert-group-line
1358 group (gnus-info-level info)
1359 (gnus-info-marks info) unread (gnus-info-method info)))))
1361 ;; List dead groups.
1362 (when (or gnus-group-listed-groups
1363 (and (>= level gnus-level-zombie)
1364 (<= lowest gnus-level-zombie)))
1365 (gnus-group-prepare-flat-list-dead
1366 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
1367 gnus-level-zombie ?Z
1370 (dolist (group gnus-zombie-list)
1371 (setq not-in-list (delete group not-in-list))))
1372 (when (or gnus-group-listed-groups
1373 (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)))
1374 (gnus-group-prepare-flat-list-dead
1377 (setq gnus-killed-list (sort gnus-killed-list 'string<)))
1378 gnus-level-killed ?K regexp))
1380 (gnus-group-set-mode-line)
1381 (setq gnus-group-list-mode (cons level predicate))
1382 (gnus-run-hooks 'gnus-group-prepare-hook)
1385 (defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
1386 ;; List zombies and killed lists somewhat faster, which was
1387 ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
1388 ;; this by ignoring the group format specification altogether.
1390 (if (> (length groups) gnus-group-listing-limit)
1392 (setq group (pop groups))
1393 (when (gnus-group-prepare-logic
1396 (and (stringp regexp) (string-match regexp group))
1397 (and (functionp regexp) (funcall regexp group))))
1398 (gnus-add-text-properties
1399 (point) (prog1 (1+ (point))
1400 (insert " " mark " *: "
1401 (gnus-group-decoded-name group)
1403 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
1405 'gnus-level level))))
1407 (setq group (pop groups))
1408 (when (gnus-group-prepare-logic
1411 (and (stringp regexp) (string-match regexp group))
1412 (and (functionp regexp) (funcall regexp group))))
1413 (gnus-group-insert-group-line
1415 (let ((active (gnus-active group)))
1417 (if (zerop (cdr active))
1419 (- (1+ (cdr active)) (car active)))
1421 (gnus-method-simplify (gnus-find-method-for-group group))))))))
1423 (defun gnus-group-update-group-line ()
1424 "Update the current line in the group buffer."
1425 (let* ((buffer-read-only nil)
1426 (group (gnus-group-group-name))
1427 (entry (and group (gnus-group-entry group)))
1428 gnus-group-indentation)
1431 (not (gnus-ephemeral-group-p group))
1433 (concat "(gnus-group-set-info '"
1434 (gnus-prin1-to-string (nth 2 entry))
1436 (setq gnus-group-indentation (gnus-group-group-indentation))
1438 (gnus-group-insert-group-line-info group)
1440 (gnus-group-position-point))))
1442 (defun gnus-group-insert-group-line-info (group)
1443 "Insert GROUP on the current line."
1444 (let ((entry (gnus-group-entry group))
1445 (gnus-group-indentation (gnus-group-group-indentation))
1449 ;; (Un)subscribed group.
1450 (setq info (nth 2 entry))
1451 (gnus-group-insert-group-line
1452 group (gnus-info-level info) (gnus-info-marks info)
1453 (or (car entry) t) (gnus-info-method info)))
1454 ;; This group is dead.
1455 (gnus-group-insert-group-line
1457 (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
1459 (if (setq active (gnus-active group))
1460 (if (zerop (cdr active))
1462 (- (1+ (cdr active)) (car active)))
1464 (gnus-method-simplify (gnus-find-method-for-group group))))))
1466 (defun gnus-number-of-unseen-articles-in-group (group)
1467 (let* ((info (nth 2 (gnus-group-entry group)))
1468 (marked (gnus-info-marks info))
1469 (seen (cdr (assq 'seen marked)))
1470 (active (gnus-active group)))
1473 (length (gnus-uncompress-range
1474 (gnus-range-difference
1475 (gnus-range-difference (list active) (gnus-info-read info))
1478 ;; Moving through the Group buffer (in topic mode) e.g. with C-n doesn't
1479 ;; update the state (enabled/disabled) of the icon `gnus-group-describe-group'
1480 ;; automatically. After `C-l' the state is correct. See the following report
1482 ;; <http://thread.gmane.org/v9acdmrcse.fsf@marauder.physik.uni-ulm.de>:
1483 ;; From: Reiner Steib
1484 ;; Subject: tool bar icons not updated according to :active condition
1485 ;; Newsgroups: gmane.emacs.devel
1486 ;; Date: Mon, 23 Jan 2006 19:59:13 +0100
1487 ;; Message-ID: <v9acdmrcse.fsf@marauder.physik.uni-ulm.de>
1489 (defcustom gnus-group-update-tool-bar
1490 (and (not (featurep 'xemacs))
1491 (boundp 'tool-bar-mode)
1493 ;; Using `redraw-frame' (see `gnus-tool-bar-update') in Emacs might
1494 ;; be confusing, so maybe we shouldn't call it by default.
1495 (fboundp 'force-window-update))
1496 "Force updating the group buffer tool bar."
1499 :initialize 'custom-initialize-default
1500 :set (lambda (symbol value)
1501 (set-default symbol value)
1502 (when (gnus-alive-p)
1503 (with-current-buffer gnus-group-buffer
1504 ;; FIXME: Is there a better way to redraw the group buffer?
1505 (gnus-group-get-new-news 0))))
1508 (defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level
1509 gnus-tmp-marked number
1511 "Insert a group line in the group buffer."
1512 (let* ((gnus-tmp-method
1513 (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
1514 (group-name-charset (gnus-group-name-charset gnus-tmp-method
1516 (gnus-tmp-active (gnus-active gnus-tmp-group))
1517 (gnus-tmp-number-total
1519 (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
1521 (gnus-tmp-number-of-unread
1522 (if (numberp number) (int-to-string (max 0 number))
1524 (gnus-tmp-number-of-read
1525 (if (numberp number)
1526 (int-to-string (max 0 (- gnus-tmp-number-total number)))
1528 (gnus-tmp-subscribed
1529 (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
1530 ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
1531 ((= gnus-tmp-level gnus-level-zombie) ?Z)
1533 (gnus-tmp-qualified-group
1534 (gnus-group-name-decode (gnus-group-real-name gnus-tmp-group)
1535 group-name-charset))
1537 (or (gnus-group-get-parameter gnus-tmp-group 'comment t)
1539 (gnus-tmp-newsgroup-description
1540 (if gnus-description-hashtb
1541 (or (gnus-group-name-decode
1542 (gnus-gethash gnus-tmp-group gnus-description-hashtb)
1543 group-name-charset) "")
1546 (if (and gnus-moderated-hashtb
1547 (gnus-gethash gnus-tmp-group gnus-moderated-hashtb))
1549 (gnus-tmp-moderated-string
1550 (if (eq gnus-tmp-moderated ?m) "(m)" ""))
1551 (gnus-tmp-group-icon (gnus-group-get-icon gnus-tmp-qualified-group))
1552 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
1553 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
1554 (gnus-tmp-news-method-string
1556 (format "(%s:%s)" (car gnus-tmp-method)
1557 (cadr gnus-tmp-method)) ""))
1558 (gnus-tmp-marked-mark
1559 (if (and (numberp number)
1561 (cdr (assq 'tick gnus-tmp-marked)))
1563 (gnus-tmp-summary-live
1564 (if (and (not gnus-group-is-exiting-p)
1565 (gnus-buffer-live-p (gnus-summary-buffer-name
1568 (gnus-tmp-process-marked
1569 (if (member gnus-tmp-group gnus-group-marked)
1570 gnus-process-mark ? ))
1571 (buffer-read-only nil)
1573 header gnus-tmp-header) ; passed as parameter to user-funcs.
1576 (gnus-add-text-properties
1580 (let ((gnus-tmp-decoded-group (gnus-group-name-decode
1581 gnus-tmp-group group-name-charset)))
1582 (eval gnus-group-line-format-spec)))
1583 `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
1584 gnus-unread ,(if (numberp number)
1585 (string-to-number gnus-tmp-number-of-unread)
1587 gnus-marked ,gnus-tmp-marked-mark
1588 gnus-indentation ,gnus-group-indentation
1589 gnus-level ,gnus-tmp-level))
1591 (when gnus-group-update-tool-bar
1592 (gnus-put-text-property beg end 'point-entered
1593 'gnus-tool-bar-update)
1594 (gnus-put-text-property beg end 'point-left
1595 'gnus-tool-bar-update))
1597 (when (inline (gnus-visual-p 'group-highlight 'highlight))
1598 (gnus-group-highlight-line gnus-tmp-group beg end))
1599 (gnus-run-hooks 'gnus-group-update-hook)
1601 ;; Allow XEmacs to remove front-sticky text properties.
1602 (gnus-group-remove-excess-properties)))
1604 (defun gnus-group-update-eval-form (group list)
1605 "Eval `car' of each element of LIST, and return the first that return t.
1606 Some value are bound so the form can use them."
1608 (let* ((entry (gnus-group-entry group))
1609 (unread (if (numberp (car entry)) (car entry) 0))
1610 (active (gnus-active group))
1611 (total (if active (1+ (- (cdr active) (car active))) 0))
1612 (info (nth 2 entry))
1613 (method (inline (gnus-server-get-method group (gnus-info-method info))))
1614 (marked (gnus-info-marks info))
1615 (mailp (apply 'append
1618 (memq x (assoc (symbol-name
1619 (car (or method gnus-select-method)))
1620 gnus-valid-select-methods)))
1621 '(mail post-mail))))
1622 (level (or (gnus-info-level info) gnus-level-killed))
1623 (score (or (gnus-info-score info) 0))
1624 (ticked (gnus-range-length (cdr (assq 'tick marked))))
1625 (group-age (gnus-group-timestamp-delta group)))
1626 ;; FIXME: http://thread.gmane.org/gmane.emacs.gnus.general/65451/focus=65465
1627 ;; ======================================================================
1628 ;; From: Richard Stallman
1629 ;; Subject: Re: Rewriting gnus-group-highlight-line (was: [...])
1630 ;; Cc: ding@gnus.org
1631 ;; Date: Sat, 27 Oct 2007 19:41:20 -0400
1632 ;; Message-ID: <E1IlvHM-0006TS-7t@fencepost.gnu.org>
1635 ;; The kludge is that the alist elements contain expressions that refer
1636 ;; to local variables with short names. Perhaps write your own tiny
1637 ;; evaluator that handles just `and', `or', and numeric comparisons
1638 ;; and just a few specific variables.
1639 ;; ======================================================================
1641 ;; Similar for other evaluated variables. Grep for risky-local-variable
1642 ;; to find them! -- rsteib
1644 ;; Eval the cars of the lists until we find a match.
1646 (not (eval (caar list))))
1647 (setq list (cdr list)))
1650 (defun gnus-group-highlight-line (group beg end)
1651 "Highlight the current line according to `gnus-group-highlight'.
1652 GROUP is current group, and the line to highlight starts at BEG
1654 (let ((face (cdar (gnus-group-update-eval-form
1656 gnus-group-highlight))))
1657 (unless (eq face (get-text-property beg 'face))
1658 (let ((inhibit-read-only t))
1659 (gnus-put-text-property-excluding-characters-with-faces
1661 (if (boundp face) (symbol-value face) face)))
1662 (gnus-extent-start-open beg))))
1664 (defun gnus-group-get-icon (group)
1665 "Return an icon for GROUP according to `gnus-group-icon-list'."
1666 (if gnus-group-icon-list
1668 (cdar (gnus-group-update-eval-form group gnus-group-icon-list))))
1673 (gnus-create-image (expand-file-name image-path))
1678 (defun gnus-group-update-group (group &optional visible-only)
1679 "Update all lines where GROUP appear.
1680 If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
1682 (with-current-buffer gnus-group-buffer
1684 ;; The buffer may be narrowed.
1687 (let ((ident (gnus-intern-safe group gnus-active-hashtb))
1689 found buffer-read-only)
1690 ;; Enter the current status into the dribble buffer.
1691 (let ((entry (gnus-group-entry group)))
1693 (not (gnus-ephemeral-group-p group)))
1695 (concat "(gnus-group-set-info '"
1696 (gnus-prin1-to-string (nth 2 entry))
1698 ;; Find all group instances. If topics are in use, each group
1699 ;; may be listed in more than once.
1700 (while (setq loc (text-property-any
1701 loc (point-max) 'gnus-group ident))
1704 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1706 (gnus-group-insert-group-line-info group)
1709 (gnus-run-hooks 'gnus-group-update-group-hook)))
1710 (setq loc (1+ loc)))
1711 (unless (or found visible-only)
1712 ;; No such line in the buffer, find out where it's supposed to
1713 ;; go, and insert it there (or at the end of the buffer).
1714 (if gnus-goto-missing-group-function
1715 (funcall gnus-goto-missing-group-function group)
1716 (let ((entry (cddr (gnus-group-entry group))))
1717 (while (and entry (car entry)
1721 (point-min) (point-max)
1722 'gnus-group (gnus-intern-safe
1724 gnus-active-hashtb)))))
1725 (setq entry (cdr entry)))
1726 (or entry (goto-char (point-max)))))
1727 ;; Finally insert the line.
1728 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1729 (gnus-group-insert-group-line-info group)
1732 (gnus-run-hooks 'gnus-group-update-group-hook))))
1733 (when gnus-group-update-group-function
1734 (funcall gnus-group-update-group-function group))
1735 (gnus-group-set-mode-line))))))
1737 (defun gnus-group-set-mode-line ()
1738 "Update the mode line in the group buffer."
1739 (when (memq 'group gnus-updated-mode-lines)
1740 ;; Yes, we want to keep this mode line updated.
1741 (with-current-buffer gnus-group-buffer
1742 (let* ((gformat (or gnus-group-mode-line-format-spec
1743 (gnus-set-format 'group-mode)))
1744 (gnus-tmp-news-server (cadr gnus-select-method))
1745 (gnus-tmp-news-method (car gnus-select-method))
1746 (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":"))
1748 gnus-tmp-header ;Dummy binding for user-defined formats
1749 ;; Get the resulting string.
1751 (and gnus-dribble-buffer
1752 (buffer-name gnus-dribble-buffer)
1753 (buffer-modified-p gnus-dribble-buffer)
1754 (with-current-buffer gnus-dribble-buffer
1755 (not (zerop (buffer-size))))))
1756 (mode-string (eval gformat)))
1757 ;; Say whether the dribble buffer has been modified.
1758 (setq mode-line-modified
1759 (if modified (car gnus-mode-line-modified)
1760 (cdr gnus-mode-line-modified)))
1761 ;; If the line is too long, we chop it off.
1762 (when (> (length mode-string) max-len)
1763 (setq mode-string (substring mode-string 0 (- max-len 4))))
1765 (setq mode-line-buffer-identification
1766 (gnus-mode-line-buffer-identification
1767 (list mode-string)))
1768 (set-buffer-modified-p modified))))))
1770 (defun gnus-group-group-name ()
1771 "Get the name of the newsgroup on the current line."
1772 (let ((group (get-text-property (point-at-bol) 'gnus-group)))
1774 (symbol-name group))))
1776 (defun gnus-group-group-level ()
1777 "Get the level of the newsgroup on the current line."
1778 (get-text-property (point-at-bol) 'gnus-level))
1780 (defun gnus-group-group-indentation ()
1781 "Get the indentation of the newsgroup on the current line."
1782 (or (get-text-property (point-at-bol) 'gnus-indentation)
1783 (and gnus-group-indentation-function
1784 (funcall gnus-group-indentation-function))
1787 (defun gnus-group-group-unread ()
1788 "Get the number of unread articles of the newsgroup on the current line."
1789 (get-text-property (point-at-bol) 'gnus-unread))
1791 (defun gnus-group-new-mail (group)
1792 (if (nnmail-new-mail-p (gnus-group-real-name group))
1796 (defun gnus-group-level (group)
1797 "Return the estimated level of GROUP."
1798 (or (gnus-info-level (gnus-get-info group))
1799 (and (member group gnus-zombie-list) gnus-level-zombie)
1802 (defun gnus-group-search-forward (&optional backward all level first-too)
1803 "Find the next newsgroup with unread articles.
1804 If BACKWARD is non-nil, find the previous newsgroup instead.
1805 If ALL is non-nil, just find any newsgroup.
1806 If LEVEL is non-nil, find group with level LEVEL, or higher if no such
1808 If FIRST-TOO, the current line is also eligible as a target."
1809 (let ((way (if backward -1 1))
1810 (low gnus-level-killed)
1813 (if (and backward (progn (beginning-of-line)) (bobp))
1822 (get-text-property (point) 'gnus-group)
1826 (get-text-property (point) 'gnus-unread)))
1827 (and (numberp unread) (> unread 0)))
1828 (setq lev (get-text-property (point)
1830 (<= lev gnus-level-subscribed)))
1832 (and (setq lev (get-text-property (point)
1841 (zerop (forward-line way)))))
1843 (progn (gnus-group-position-point) t)
1844 (goto-char (or pos beg))
1847 (defun gnus-total-fetched-for (group)
1848 (let* ((size-in-cache (or (gnus-cache-total-fetched-for group) 0))
1849 (size-in-agent (or (gnus-agent-total-fetched-for group) 0))
1850 (size (+ size-in-cache size-in-agent))
1851 (suffix '("B" "K" "M" "G"))
1854 (while (> size cutoff)
1855 (setq size (/ size scale)
1856 suffix (cdr suffix)))
1857 (format "%5.1f%s" size (car suffix))))
1859 ;;; Gnus group mode commands
1863 (defun gnus-group-mark-line-p ()
1866 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1867 (eq (char-after) gnus-process-mark)))
1869 (defun gnus-group-mark-group (n &optional unmark no-advance)
1870 "Mark the current group."
1872 (let ((buffer-read-only nil)
1876 (when (setq group (gnus-group-group-name))
1877 ;; Go to the mark position.
1879 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1883 (setq gnus-group-marked (delete group gnus-group-marked))
1884 (insert-char ? 1 t))
1885 (setq gnus-group-marked
1886 (cons group (delete group gnus-group-marked)))
1887 (insert-char gnus-process-mark 1 t)))
1889 (gnus-group-next-group 1))
1891 (gnus-summary-position-point)
1894 (defun gnus-group-unmark-group (n)
1895 "Remove the mark from the current group."
1897 (gnus-group-mark-group n 'unmark)
1898 (gnus-group-position-point))
1900 (defun gnus-group-unmark-all-groups ()
1901 "Unmark all groups."
1904 (mapc 'gnus-group-remove-mark gnus-group-marked))
1905 (gnus-group-position-point))
1907 (defun gnus-group-mark-region (unmark beg end)
1908 "Mark all groups between point and mark.
1909 If UNMARK, remove the mark instead."
1910 (interactive "P\nr")
1911 (let ((num (count-lines beg end)))
1914 (- num (gnus-group-mark-group num unmark)))))
1916 (defun gnus-group-mark-buffer (&optional unmark)
1917 "Mark all groups in the buffer.
1918 If UNMARK, remove the mark instead."
1920 (gnus-group-mark-region unmark (point-min) (point-max)))
1922 (defun gnus-group-mark-regexp (regexp)
1923 "Mark all groups that match some regexp."
1924 (interactive "sMark (regexp): ")
1925 (let ((alist (cdr gnus-newsrc-alist))
1929 (when (string-match regexp (setq group (gnus-info-group (pop alist))))
1930 (gnus-group-jump-to-group group)
1931 (gnus-group-set-mark group)))))
1932 (gnus-group-position-point))
1934 (defun gnus-group-remove-mark (group &optional test-marked)
1935 "Remove the process mark from GROUP and move point there.
1936 Return nil if the group isn't displayed."
1937 (if (gnus-group-goto-group group nil test-marked)
1939 (gnus-group-mark-group 1 'unmark t)
1941 (setq gnus-group-marked
1942 (delete group gnus-group-marked))
1945 (defun gnus-group-set-mark (group)
1946 "Set the process mark on GROUP."
1947 (if (gnus-group-goto-group group)
1949 (gnus-group-mark-group 1 nil t))
1950 (setq gnus-group-marked (cons group (delete group gnus-group-marked)))))
1952 (defun gnus-group-universal-argument (arg &optional groups func)
1953 "Perform any command on all groups according to the process/prefix convention."
1955 (if (eq (setq func (or func
1958 (substitute-command-keys
1959 "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
1961 (gnus-error 1 "Undefined key")
1962 (gnus-group-iterate arg
1964 (command-execute func))))
1965 (gnus-group-position-point))
1967 (defun gnus-group-process-prefix (n)
1968 "Return a list of groups to work on.
1969 Take into consideration N (the prefix) and the list of marked groups."
1972 (setq n (prefix-numeric-value n))
1973 ;; There is a prefix, so we return a list of the N next
1975 (let ((way (if (< n 0) -1 1))
1980 (if (setq group (gnus-group-group-name))
1981 (push group groups))
1983 (gnus-group-next-group way)))
1985 ((and (gnus-region-active-p) (mark))
1986 ;; Work on the region between point and mark.
1987 (let ((max (max (point) (mark)))
1990 (goto-char (min (point) (mark)))
1993 (push (gnus-group-group-name) groups)
1994 (zerop (gnus-group-next-group 1))
1996 (nreverse groups))))
1998 ;; No prefix, but a list of marked articles.
1999 (reverse gnus-group-marked))
2001 ;; Neither marked articles or a prefix, so we return the
2003 (let ((group (gnus-group-group-name)))
2004 (and group (list group))))))
2006 ;;; !!!Surely gnus-group-iterate should be a macro instead? I can't
2007 ;;; imagine why I went through these contortions...
2009 (let ((function (make-symbol "gnus-group-iterate-function"))
2010 (window (make-symbol "gnus-group-iterate-window"))
2011 (groups (make-symbol "gnus-group-iterate-groups"))
2012 (group (make-symbol "gnus-group-iterate-group")))
2014 `(defun gnus-group-iterate (arg ,function)
2015 "Iterate FUNCTION over all process/prefixed groups.
2016 FUNCTION will be called with the group name as the parameter
2017 and with point over the group in question."
2018 (let ((,groups (gnus-group-process-prefix arg))
2019 (,window (selected-window))
2022 (setq ,group (car ,groups)
2023 ,groups (cdr ,groups))
2024 (select-window ,window)
2025 (gnus-group-remove-mark ,group)
2026 (save-selected-window
2028 (funcall ,function ,group)))))))))
2030 (put 'gnus-group-iterate 'lisp-indent-function 1)
2032 ;; Selecting groups.
2034 (defun gnus-group-read-group (&optional all no-article group select-articles)
2035 "Read news in this newsgroup.
2036 If the prefix argument ALL is non-nil, already read articles become
2039 If ALL is a positive number, fetch this number of the latest
2040 articles in the group. If ALL is a negative number, fetch this
2041 number of the earliest articles in the group.
2043 If the optional argument NO-ARTICLE is non-nil, no article will
2044 be auto-selected upon group entry. If GROUP is non-nil, fetch
2047 (let ((no-display (eq all 0))
2048 (group (or group (gnus-group-group-name)))
2049 number active marked entry)
2053 (error "No group on current line"))
2054 (setq marked (gnus-info-marks
2055 (nth 2 (setq entry (gnus-group-entry group)))))
2056 ;; This group might be a dead group. In that case we have to get
2057 ;; the number of unread articles from `gnus-active-hashtb'.
2059 (cond ((numberp all) all)
2061 ((setq active (gnus-active group))
2062 (- (1+ (cdr active)) (car active)))))
2063 (gnus-summary-read-group
2064 group (or all (and (numberp number)
2065 (zerop (+ number (gnus-range-length
2066 (cdr (assq 'tick marked)))
2068 (cdr (assq 'dormant marked)))))))
2069 no-article nil no-display nil select-articles)))
2071 (defun gnus-group-select-group (&optional all)
2072 "Select this newsgroup.
2073 No article is selected automatically.
2074 If the group is opened, just switch the summary buffer.
2075 If ALL is non-nil, already read articles become readable.
2076 If ALL is a positive number, fetch this number of the latest
2077 articles in the group.
2078 If ALL is a negative number, fetch this number of the earliest
2079 articles in the group."
2081 (when (and (eobp) (not (gnus-group-group-name)))
2083 (gnus-group-read-group all t))
2085 (defun gnus-group-quick-select-group (&optional all group)
2086 "Select the GROUP \"quickly\".
2087 This means that no highlighting or scoring will be performed. If
2088 ALL (the prefix argument) is 0, don't even generate the summary
2089 buffer. If GROUP is nil, use current group.
2091 This might be useful if you want to toggle threading
2092 before entering the group."
2094 (require 'gnus-score)
2096 gnus-score-find-score-files-function
2097 gnus-home-score-file
2098 gnus-apply-kill-hook
2099 gnus-summary-expunge-below)
2100 (gnus-group-read-group all t group)))
2102 (defun gnus-group-visible-select-group (&optional all)
2103 "Select the current group without hiding any articles."
2105 (let ((gnus-inhibit-limiting t))
2106 (gnus-group-read-group all t)))
2108 (defun gnus-group-select-group-ephemerally ()
2109 "Select the current group without doing any processing whatsoever.
2110 You will actually be entered into a group that's a copy of
2111 the current group; no changes you make while in this group will
2114 (require 'gnus-score)
2116 gnus-score-find-score-files-function gnus-apply-kill-hook
2117 gnus-summary-expunge-below gnus-show-threads gnus-suppress-duplicates
2118 gnus-summary-mode-hook gnus-select-group-hook
2119 (group (gnus-group-group-name))
2120 (method (gnus-find-method-for-group group)))
2121 (gnus-group-read-ephemeral-group
2122 (gnus-group-prefixed-name group method) method)))
2124 (defun gnus-group-name-at-point ()
2125 "Return a group name from around point if it exists, or nil."
2126 (if (eq major-mode 'gnus-group-mode)
2127 (let ((group (gnus-group-group-name)))
2129 (gnus-group-decoded-name group)))
2130 (let ((regexp "[][\C-@-\t\v-*,/:-@\\^`{-\C-?]*\
2131 \\(nn[a-z]+\\(?:\\+[^][\C-@-*,/:-@\\^`{-\C-?]+\\)?:\
2132 \[^][\C-@-*,./:-@\\^`{-\C-?]+\\(?:\\.[^][\C-@-*,./:-@\\^`{-\C-?]+\\)*\
2133 \\|[^][\C-@-*,./:-@\\^`{-\C-?]+\\(?:\\.[^][\C-@-*,./:-@\\^`{-\C-?]+\\)+\\)")
2135 (case-fold-search nil))
2137 (if (or (and (not (or (eobp)
2138 (looking-at "[][\C-@-*,/;-@\\^`{-\C-?]")))
2140 (skip-chars-backward "^][\C-@-\t\v-*,/;-@\\^`{-\C-?"
2142 (and (looking-at "[][\C-@-\t\v-*,/;-@\\^`{-\C-?]*$")
2144 (skip-chars-backward "][\C-@-\t\v-*,/;-@\\^`{-\C-?")
2145 (skip-chars-backward "^][\C-@-\t\v-*,/;-@\\^`{-\C-?"
2147 (string-match "\\`[][\C-@-\t\v-*,/;-@\\^`{-\C-?]*\\'"
2148 (buffer-substring (point-at-bol) (point))))
2149 (when (looking-at regexp)
2151 (let (group distance)
2152 (when (looking-at regexp)
2153 (setq group (match-string 1)
2154 distance (- (match-beginning 1) (match-beginning 0))))
2155 (skip-chars-backward "][\C-@-\t\v-*,/;-@\\^`{-\C-?")
2156 (skip-chars-backward "^][\C-@-\t\v-*,/;-@\\^`{-\C-?"
2158 (if (looking-at regexp)
2159 (if (and group (<= distance (- start (match-end 0))))
2163 (goto-char start)))))
2165 (defun gnus-group-completing-read (&optional prompt collection
2166 require-match initial-input hist def)
2167 "Read a group name with completion. Non-ASCII group names are allowed.
2168 The arguments are the same as `completing-read' except that COLLECTION
2169 and HIST default to `gnus-active-hashtb' and `gnus-group-history'
2170 respectively if they are omitted."
2171 (let* ((collection (or collection (or gnus-active-hashtb [0])))
2172 (choices (mapcar (lambda (symbol)
2173 (let ((group (symbol-name symbol)))
2174 (if (string-match "[^\000-\177]" group)
2175 (gnus-group-decoded-name group)
2177 (remove-if-not 'symbolp collection)))
2179 (gnus-completing-read (or prompt "Group") choices
2180 require-match initial-input
2181 (or hist 'gnus-group-history)
2183 (if (symbol-value (intern-soft group collection))
2185 (mm-encode-coding-string group (gnus-group-name-charset nil group)))))
2188 (defun gnus-fetch-group (group &optional articles)
2189 "Start Gnus if necessary and enter GROUP.
2190 If ARTICLES, display those articles.
2191 Returns whether the fetching was successful or not."
2192 (interactive (list (gnus-group-completing-read nil
2194 (gnus-group-name-at-point))))
2195 (unless (gnus-alive-p)
2197 (gnus-group-read-group (if articles nil t) nil group articles))
2200 (defun gnus-fetch-group-other-frame (group)
2201 "Pop up a frame and enter GROUP."
2203 (let ((window (get-buffer-window gnus-group-buffer)))
2205 (select-frame (window-frame window)))
2206 ((= (length (frame-list)) 1)
2207 (select-frame (make-frame)))
2210 (gnus-fetch-group group))
2212 (defcustom gnus-large-ephemeral-newsgroup 200
2213 "The number of articles which indicates a large ephemeral newsgroup.
2214 Same as `gnus-large-newsgroup', but only used for ephemeral newsgroups.
2216 If the number of articles in a newsgroup is greater than this value,
2217 confirmation is required for selecting the newsgroup. If it is nil, no
2218 confirmation is required."
2220 :group 'gnus-group-select
2221 :type '(choice (const :tag "No limit" nil)
2224 (defcustom gnus-fetch-old-ephemeral-headers nil
2225 "Same as `gnus-fetch-old-headers', but only used for ephemeral newsgroups."
2228 :type '(choice (const :tag "off" nil)
2231 (sexp :menu-tag "other" t)))
2233 ;; Enter a group that is not in the group buffer. Non-nil is returned
2234 ;; if selection was successful.
2235 (defun gnus-group-read-ephemeral-group (group method &optional activate
2236 quit-config request-only
2240 "Read GROUP from METHOD as an ephemeral group.
2241 If ACTIVATE, request the group first.
2242 If QUIT-CONFIG, use that window configuration when exiting from the
2244 If REQUEST-ONLY, don't actually read the group; just request it.
2245 If SELECT-ARTICLES, only select those articles.
2246 If PARAMETERS, use those as the group parameters.
2247 If NUMBER, fetch this number of articles.
2249 Return the name of the group if selection was successful."
2252 ;; (gnus-read-group "Group name: ")
2253 (gnus-group-completing-read)
2254 (gnus-read-method "From method: ")))
2255 ;; Transform the select method into a unique server.
2256 (when (stringp method)
2257 (setq method (gnus-server-to-method method)))
2259 `(,(car method) ,(concat (cadr method) "-ephemeral")
2260 (,(intern (format "%s-address" (car method))) ,(cadr method))
2262 (let ((group (if (gnus-group-foreign-p group) group
2263 (gnus-group-prefixed-name (gnus-group-real-name group)
2268 ,gnus-level-default-subscribed nil nil ,method
2271 (cons 'quit-config quit-config)
2273 (cons gnus-summary-buffer
2274 gnus-current-window-configuration)))
2277 (push method gnus-ephemeral-servers)
2278 (set-buffer gnus-group-buffer)
2279 (unless (gnus-check-server method)
2280 (error "Unable to contact server: %s" (gnus-status-message method)))
2282 (gnus-activate-group group 'scan)
2283 (unless (gnus-request-group group)
2284 (error "Couldn't request group: %s"
2285 (nnheader-get-report (car method)))))
2289 (when (let ((gnus-large-newsgroup gnus-large-ephemeral-newsgroup)
2290 (gnus-fetch-old-headers
2291 gnus-fetch-old-ephemeral-headers))
2292 (gnus-group-read-group (or number t) t group select-articles))
2296 (message "Quit reading the ephemeral group")
2299 (defcustom gnus-gmane-group-download-format
2300 "http://download.gmane.org/%s/%s/%s"
2301 "URL for downloading mbox files.
2302 It must contain three \"%s\". They correspond to the group, the
2303 minimal and maximal article numbers, respectively."
2304 :group 'gnus-group-foreign
2305 :version "23.1" ;; No Gnus
2308 (autoload 'url-insert-file-contents "url-handlers")
2310 ;; - Add documentation, menu, key bindings, ...
2312 (defun gnus-read-ephemeral-gmane-group (group start &optional range)
2313 "Read articles from Gmane group GROUP as an ephemeral group.
2314 START is the first article. RANGE specifies how many articles
2315 are fetched. The articles are downloaded via HTTP using the URL
2316 specified by `gnus-gmane-group-download-format'."
2317 ;; See <http://gmane.org/export.php> for more information.
2320 (gnus-group-completing-read "Gmane group")
2321 (read-number "Start article number: ")
2322 (read-number "How many articles: ")))
2323 (unless range (setq range 500))
2325 (error "Invalid range: %s" range))
2326 (let ((tmpfile (mm-make-temp-file
2327 (format "%s.start-%s.range-%s." group start range)))
2328 (gnus-thread-sort-functions '(gnus-thread-sort-by-number)))
2329 (with-temp-file tmpfile
2330 (url-insert-file-contents
2331 (format gnus-gmane-group-download-format
2332 group start (+ start range)))
2333 (write-region (point-min) (point-max) tmpfile)
2334 (gnus-group-read-ephemeral-group
2335 (format "%s.start-%s.range-%s" group start range)
2337 (nndoc-article-type mbox))))
2338 (delete-file tmpfile)))
2340 (defun gnus-read-ephemeral-gmane-group-url (url)
2341 "Create an ephemeral Gmane group from URL.
2343 Valid input formats include:
2344 \"http://thread.gmane.org/gmane.foo.bar/12300/focus=12399\",
2345 \"http://thread.gmane.org/gmane.foo.bar/12345/\",
2346 \"http://article.gmane.org/gmane.foo.bar/12345/\",
2347 \"http://news.gmane.org/group/gmane.foo.bar/thread=12345\""
2348 ;; - Feel free to add other useful Gmane URLs here! Maybe the URLs should
2350 ;; - The URLs should be added to `gnus-button-alist'. Probably we should
2351 ;; prompt the user to decide: "View via `browse-url' or in Gnus? "
2352 ;; (`gnus-read-ephemeral-gmane-group-url')
2354 (list (gnus-group-completing-read "Gmane URL")))
2355 (let (group start range)
2357 ;; URLs providing `group', `start' and `range':
2359 ;; http://thread.gmane.org/gmane.emacs.devel/86326/focus=86525
2360 "^http://thread\.gmane\.org/\\([^/]+\\)/\\([0-9]+\\)/focus=\\([0-9]+\\)$"
2362 (setq group (match-string 1 url)
2363 start (string-to-number (match-string 2 url))
2364 ;; Ensure that `range' is large enough to ensure focus article is
2366 range (- (string-to-number (match-string 3 url))
2368 ;; URLs providing `group' and `start':
2370 ;; http://article.gmane.org/gmane.comp.gnu.make.bugs/3584
2371 "^http://\\(?:thread\\|article\\|permalink\\)\.gmane\.org/\\([^/]+\\)/\\([0-9]+\\)"
2374 ;; Don't advertise these in the doc string yet:
2375 "^\\(?:nntp\\|news\\)://news\.gmane\.org/\\([^/]+\\)/\\([0-9]+\\)"
2378 ;; http://news.gmane.org/group/gmane.emacs.gnus.general/thread=65099/force_load=t
2379 "^http://news\.gmane\.org/group/\\([^/]+\\)/thread=\\([0-9]+\\)"
2381 (setq group (match-string 1 url)
2382 start (string-to-number (match-string 2 url))))
2384 (error "Can't parse URL %s" url)))
2385 (gnus-read-ephemeral-gmane-group group start range)))
2387 (defcustom gnus-bug-group-download-format-alist
2388 '((emacs . "http://debbugs.gnu.org/%s;mbox=yes")
2390 . "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%s&mbox=yes"))
2391 "Alist of symbols for bug trackers and the corresponding URL format string.
2392 The URL format string must contain a single \"%s\", specifying
2393 the bug number, and browsing the URL must return mbox output."
2394 :group 'gnus-group-foreign
2395 :version "23.2" ;; No Gnus
2396 :type '(repeat (cons (symbol) (string :tag "URL format string"))))
2398 (defun gnus-read-ephemeral-bug-group (number mbox-url)
2399 "Browse bug NUMBER as ephemeral group."
2400 (interactive (list (read-string "Enter bug number: "
2401 (thing-at-point 'word) nil)
2402 ;; FIXME: Add completing-read from
2403 ;; `gnus-emacs-bug-group-download-format' ...
2404 (cdr (assoc 'emacs gnus-bug-group-download-format-alist))))
2405 (when (stringp number)
2406 (setq number (string-to-number number)))
2407 (let ((tmpfile (mm-make-temp-file "gnus-temp-group-")))
2408 (with-temp-file tmpfile
2409 (url-insert-file-contents (format mbox-url number))
2410 (goto-char (point-min))
2411 ;; Add the debbugs address so that we can respond to reports easily.
2412 (while (re-search-forward "^To: " nil t)
2414 (insert (format ", %s@%s" number
2415 (replace-regexp-in-string
2417 (replace-regexp-in-string "^http://" "" mbox-url)))))
2418 (write-region (point-min) (point-max) tmpfile)
2419 (gnus-group-read-ephemeral-group
2420 "gnus-read-ephemeral-bug"
2422 (nndoc-article-type mbox))))
2423 (delete-file tmpfile)))
2425 (defun gnus-read-ephemeral-debian-bug-group (number)
2426 "Browse Debian bug NUMBER as ephemeral group."
2427 (interactive (list (read-string "Enter bug number: "
2428 (thing-at-point 'word) nil)))
2429 (gnus-read-ephemeral-bug-group
2431 (cdr (assoc 'debian gnus-bug-group-download-format-alist))))
2433 (defun gnus-read-ephemeral-emacs-bug-group (number)
2434 "Browse Emacs bug NUMBER as ephemeral group."
2435 (interactive (list (read-string "Enter bug number: "
2436 (thing-at-point 'word) nil)))
2437 (gnus-read-ephemeral-bug-group
2439 (cdr (assoc 'emacs gnus-bug-group-download-format-alist))))
2441 (defun gnus-group-jump-to-group (group &optional prompt)
2442 "Jump to newsgroup GROUP.
2444 If PROMPT (the prefix) is a number, use the prompt specified in
2445 `gnus-group-jump-to-group-prompt'."
2447 (list (gnus-group-completing-read
2448 nil nil (gnus-read-active-file-p)
2449 (if current-prefix-arg
2450 (cdr (assq current-prefix-arg gnus-group-jump-to-group-prompt))
2451 (or (and (stringp gnus-group-jump-to-group-prompt)
2452 gnus-group-jump-to-group-prompt)
2453 (let ((p (cdr (assq 0 gnus-group-jump-to-group-prompt))))
2454 (and (stringp p) p)))))))
2456 (when (equal group "")
2457 (error "Empty group name"))
2459 (unless (gnus-ephemeral-group-p group)
2460 ;; Either go to the line in the group buffer...
2461 (unless (gnus-group-goto-group group)
2462 ;; ... or insert the line.
2463 (gnus-group-update-group group)
2464 (gnus-group-goto-group group)))
2465 ;; Adjust cursor point.
2466 (gnus-group-position-point))
2468 (defun gnus-group-goto-group (group &optional far test-marked)
2469 "Goto to newsgroup GROUP.
2470 If FAR, it is likely that the group is not on the current line.
2471 If TEST-MARKED, the line must be marked."
2475 ;; It's quite likely that we are on the right line, so
2476 ;; we check the current line first.
2478 (eq (get-text-property (point) 'gnus-group)
2479 (gnus-intern-safe group gnus-active-hashtb))
2480 (or (not test-marked) (gnus-group-mark-line-p)))
2482 ;; Previous and next line are also likely, so we check them as well.
2486 (and (eq (get-text-property (point) 'gnus-group)
2487 (gnus-intern-safe group gnus-active-hashtb))
2488 (or (not test-marked) (gnus-group-mark-line-p)))))
2494 (and (eq (get-text-property (point) 'gnus-group)
2495 (gnus-intern-safe group gnus-active-hashtb))
2496 (or (not test-marked) (gnus-group-mark-line-p)))))
2500 (goto-char (point-min))
2502 (while (and (not found)
2507 (gnus-intern-safe group gnus-active-hashtb))))
2508 (if (gnus-group-mark-line-p)
2513 ;; Search through the entire buffer.
2516 (point-min) (point-max)
2517 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))))
2519 (defun gnus-group-next-group (n &optional silent)
2520 "Go to next N'th newsgroup.
2521 If N is negative, search backward instead.
2522 Returns the difference between N and the number of skips actually
2525 (gnus-group-next-unread-group n t nil silent))
2527 (defun gnus-group-next-unread-group (n &optional all level silent)
2528 "Go to next N'th unread newsgroup.
2529 If N is negative, search backward instead.
2530 If ALL is non-nil, choose any newsgroup, unread or not.
2531 If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
2532 such group can be found, the next group with a level higher than
2534 Returns the difference between N and the number of skips actually
2537 (let ((backward (< n 0))
2540 (gnus-group-search-forward
2541 backward (or (not gnus-group-goto-unread) all) level))
2545 (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
2546 (if level " on this level or higher" "")))
2549 (defun gnus-group-prev-group (n)
2550 "Go to previous N'th newsgroup.
2551 Returns the difference between N and the number of skips actually
2554 (gnus-group-next-unread-group (- n) t))
2556 (defun gnus-group-prev-unread-group (n)
2557 "Go to previous N'th unread newsgroup.
2558 Returns the difference between N and the number of skips actually
2561 (gnus-group-next-unread-group (- n)))
2563 (defun gnus-group-next-unread-group-same-level (n)
2564 "Go to next N'th unread newsgroup on the same level.
2565 If N is negative, search backward instead.
2566 Returns the difference between N and the number of skips actually
2569 (gnus-group-next-unread-group n t (gnus-group-group-level))
2570 (gnus-group-position-point))
2572 (defun gnus-group-prev-unread-group-same-level (n)
2573 "Go to next N'th unread newsgroup on the same level.
2574 Returns the difference between N and the number of skips actually
2577 (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
2578 (gnus-group-position-point))
2580 (defun gnus-group-best-unread-group (&optional exclude-group)
2581 "Go to the group with the highest level.
2582 If EXCLUDE-GROUP, do not go to that group."
2584 (goto-char (point-min))
2588 (setq unread (get-text-property (point) 'gnus-unread))
2589 (when (and (numberp unread) (> unread 0))
2590 (when (and (get-text-property (point) 'gnus-level)
2591 (< (get-text-property (point) 'gnus-level) best)
2592 (or (not exclude-group)
2593 (not (equal exclude-group (gnus-group-group-name)))))
2594 (setq best (get-text-property (point) 'gnus-level))
2595 (setq best-point (point))))
2598 (goto-char best-point))
2599 (gnus-group-position-point)
2600 (and best-point (gnus-group-group-name))))
2602 ;; Is there something like an after-point-motion-hook?
2603 ;; (inhibit-point-motion-hooks?). Is there a tool-bar-update function?
2605 ;; (defun gnus-group-menu-bar-update ()
2606 ;; (let* ((buf (list (with-current-buffer gnus-group-buffer
2607 ;; (current-buffer))))
2608 ;; (name (buffer-name (car buf))))
2610 ;; (if (> (length name) 27)
2611 ;; (concat (substring name 0 12)
2613 ;; (substring name -12))
2615 ;; (menu-bar-update-buffers-1 buf)))
2617 ;; (defun gnus-group-position-point ()
2618 ;; (gnus-goto-colon)
2619 ;; (gnus-group-menu-bar-update))
2621 (defun gnus-group-first-unread-group ()
2622 "Go to the first group with unread articles."
2625 (let ((opoint (point))
2627 (goto-char (point-min))
2628 (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
2629 (and (numberp unread) ; Not a topic.
2630 (not (zerop unread))) ; Has unread articles.
2631 (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
2634 nil)) ; Not success.
2635 (gnus-group-position-point)))
2637 (defun gnus-group-enter-server-mode ()
2638 "Jump to the server buffer."
2640 (gnus-enter-server-buffer))
2642 (defun gnus-group-make-group-simple (&optional group)
2643 "Add a new newsgroup.
2644 The user will be prompted for GROUP."
2645 (interactive (list (gnus-group-completing-read)))
2646 (gnus-group-make-group (gnus-group-real-name group)
2647 (gnus-group-server group)
2650 (defun gnus-group-make-group (name &optional method address args encoded)
2651 "Add a new newsgroup.
2652 The user will be prompted for a NAME, for a select METHOD, and an
2653 ADDRESS. NAME should be a human-readable string (i.e., not be encoded
2654 even if it contains non-ASCII characters) unless ENCODED is non-nil."
2657 (gnus-read-group "Group name: ")
2658 (gnus-read-method "From method: ")))
2660 (when (stringp method)
2661 (setq method (or (gnus-server-to-method method) method)))
2663 (setq name (mm-encode-coding-string
2665 (gnus-group-name-charset method name))))
2666 (let* ((meth (gnus-method-simplify
2668 (not (gnus-server-equal method gnus-select-method)))
2669 (if address (list (intern method) address)
2671 (nname (if method (gnus-group-prefixed-name name meth) name))
2673 (when (gnus-group-entry nname)
2674 (error "Group %s already exists" (gnus-group-decoded-name nname)))
2675 ;; Subscribe to the new group.
2676 (gnus-group-change-level
2677 (setq info (list t nname gnus-level-default-subscribed nil nil meth))
2678 gnus-level-default-subscribed gnus-level-killed
2679 (and (gnus-group-group-name)
2680 (gnus-group-entry (gnus-group-group-name)))
2683 (gnus-set-active nname (cons 1 0))
2684 (unless (gnus-ephemeral-group-p name)
2686 (concat "(gnus-group-set-info '"
2687 (gnus-prin1-to-string (cdr info)) ")")))
2689 (gnus-group-insert-group-line-info nname)
2691 (gnus-group-position-point)
2693 ;; Load the back end and try to make the back end create
2694 ;; the group as well.
2695 (when (assoc (symbol-name (setq backend (car (gnus-server-get-method
2697 gnus-valid-select-methods)
2699 (gnus-check-server meth)
2700 (when (gnus-check-backend-function 'request-create-group nname)
2701 (unless (gnus-request-create-group nname nil args)
2702 (error "Could not create group on server: %s"
2703 (nnheader-get-report backend))))
2706 (defun gnus-group-delete-groups (&optional arg)
2707 "Delete the current group. Only meaningful with editable groups."
2709 (let ((n (length (gnus-group-process-prefix arg))))
2710 (when (gnus-yes-or-no-p
2712 "Delete this 1 group? "
2713 (format "Delete these %d groups? " n)))
2714 (gnus-group-iterate arg
2716 (gnus-group-delete-group group nil t))))))
2718 (defun gnus-group-delete-group (group &optional force no-prompt)
2719 "Delete the current group. Only meaningful with editable groups.
2720 If FORCE (the prefix) is non-nil, all the articles in the group will
2721 be deleted. This is \"deleted\" as in \"removed forever from the face
2722 of the Earth\". There is no undo. The user will be prompted before
2724 Note that you also have to specify FORCE if you want the group to
2725 be removed from the server, even when it's empty."
2727 (list (gnus-group-group-name)
2728 current-prefix-arg))
2730 (error "No group to delete"))
2731 (unless (gnus-check-backend-function 'request-delete-group group)
2732 (error "This back end does not support group deletion"))
2734 (let ((group-decoded (gnus-group-decoded-name group)))
2735 (if (and (not no-prompt)
2736 (not (gnus-yes-or-no-p
2738 "Do you really want to delete %s%s? "
2739 group-decoded (if force " and all its contents" "")))))
2741 (gnus-message 6 "Deleting group %s..." group-decoded)
2742 (if (not (gnus-request-delete-group group force))
2743 (gnus-error 3 "Couldn't delete group %s" group-decoded)
2744 (gnus-message 6 "Deleting group %s...done" group-decoded)
2745 (gnus-group-goto-group group)
2746 (gnus-group-kill-group 1 t)
2747 (gnus-set-active group nil)
2749 (gnus-group-position-point)))
2751 (defun gnus-group-rename-group (group new-name)
2752 "Rename group from GROUP to NEW-NAME.
2753 When used interactively, GROUP is the group under point
2754 and NEW-NAME will be prompted for."
2756 (let ((group (gnus-group-group-name))
2758 (unless (gnus-check-backend-function 'request-rename-group group)
2759 (error "This back end does not support renaming groups"))
2760 (setq new-name (gnus-read-group
2762 (gnus-group-real-name (gnus-group-decoded-name group)))
2763 method (gnus-info-method (gnus-get-info group)))
2764 (list group (mm-encode-coding-string
2766 (gnus-group-name-charset
2768 (gnus-group-prefixed-name new-name method))))))
2770 (unless (gnus-check-backend-function 'request-rename-group group)
2771 (error "This back end does not support renaming groups"))
2773 (error "No group to rename"))
2774 (when (equal (gnus-group-real-name group) new-name)
2775 (error "Can't rename to the same name"))
2777 ;; We find the proper prefixed name.
2779 (if (gnus-group-native-p group)
2783 (gnus-group-prefixed-name
2784 (gnus-group-real-name new-name)
2785 (gnus-info-method (gnus-get-info group)))))
2787 (let ((decoded-group (gnus-group-decoded-name group))
2788 (decoded-new-name (gnus-group-decoded-name new-name)))
2789 (when (gnus-active new-name)
2790 (error "The group %s already exists" decoded-new-name))
2792 (gnus-message 6 "Renaming group %s to %s..."
2793 decoded-group decoded-new-name)
2796 (gnus-group-goto-group group)
2797 (not (when (< (gnus-group-group-level) gnus-level-zombie)
2798 (gnus-request-rename-group group new-name))))
2799 (gnus-error 3 "Couldn't rename group %s to %s"
2800 decoded-group decoded-new-name)
2801 ;; We rename the group internally by killing it...
2802 (gnus-group-kill-group)
2803 ;; ... changing its name ...
2804 (setcar (cdar gnus-list-of-killed-groups) new-name)
2805 ;; ... and then yanking it. Magic!
2806 (gnus-group-yank-group)
2807 (gnus-set-active new-name (gnus-active group))
2808 (gnus-message 6 "Renaming group %s to %s...done"
2809 decoded-group decoded-new-name)
2811 (setq gnus-killed-list (delete group gnus-killed-list))
2812 (gnus-set-active group nil)
2813 (gnus-dribble-touch)
2814 (gnus-group-position-point))))
2816 (defun gnus-group-edit-group (group &optional part)
2817 "Edit the group on the current line."
2818 (interactive (list (gnus-group-group-name)))
2819 (let ((part (or part 'info))
2822 (error "No group on current line"))
2823 (unless (setq info (gnus-get-info group))
2824 (error "Killed group; can't be edited"))
2826 (gnus-close-group group))
2828 ;; Find the proper form to edit.
2829 (cond ((eq part 'method)
2830 (or (gnus-info-method info) "native"))
2832 (gnus-info-params info))
2834 ;; The proper documentation.
2836 "Editing the %s for `%s'."
2838 ((eq part 'method) "select method")
2839 ((eq part 'params) "group parameters")
2841 (gnus-group-decoded-name group))
2843 (gnus-group-edit-group-done ',part ,group form)))
2846 (gnus-create-info-command
2849 "(gnus)Select Methods")
2851 "(gnus)Group Parameters")
2853 "(gnus)Group Info"))))))
2855 (defun gnus-group-edit-group-method (group)
2856 "Edit the select method of GROUP."
2857 (interactive (list (gnus-group-group-name)))
2858 (gnus-group-edit-group group 'method))
2860 (defun gnus-group-edit-group-parameters (group)
2861 "Edit the group parameters of GROUP."
2862 (interactive (list (gnus-group-group-name)))
2863 (gnus-group-edit-group group 'params))
2865 (defun gnus-group-edit-group-done (part group form)
2867 (let* ((method (cond ((eq part 'info) (nth 4 form))
2868 ((eq part 'method) form)
2870 (info (cond ((eq part 'info) form)
2871 ((eq part 'method) (gnus-get-info group))
2874 (if (or (not method)
2876 gnus-select-method method))
2877 (gnus-group-real-name (car info))
2878 (gnus-group-prefixed-name
2879 (gnus-group-real-name (car info)) method))
2881 (when (and new-group
2882 (not (equal new-group group)))
2883 (when (gnus-group-goto-group group)
2884 (gnus-group-kill-group 1))
2885 (gnus-activate-group new-group))
2887 (if (not (and info new-group))
2888 (gnus-group-set-info form (or new-group group) part)
2889 (setq info (gnus-copy-sequence info))
2890 (setcar info new-group)
2891 (unless (gnus-server-equal method "native")
2892 (unless (nthcdr 3 info)
2893 (nconc info (list nil nil)))
2894 (unless (nthcdr 4 info)
2895 (nconc info (list nil)))
2896 (gnus-info-set-method info method))
2897 (gnus-group-set-info info))
2898 (gnus-group-update-group (or new-group group))
2899 (gnus-group-position-point)))
2901 (defun gnus-group-make-useful-group (group method)
2902 "Create one of the groups described in `gnus-useful-groups'."
2904 (let ((entry (assoc (gnus-completing-read "Create group"
2905 (mapcar 'car gnus-useful-groups)
2907 gnus-useful-groups)))
2909 ;; Don't use `caddr' here since macros within the `interactive'
2910 ;; form won't be expanded.
2911 (car (cddr entry)))))
2912 (setq method (gnus-copy-sequence method))
2914 (while (setq entry (memq (assq 'eval method) method))
2915 (setcar entry (eval (cadar entry)))))
2916 (gnus-group-make-group group method))
2918 (defun gnus-group-make-help-group (&optional noerror)
2919 "Create the Gnus documentation group.
2920 Optional argument NOERROR modifies the behavior of this function when the
2921 group already exists:
2922 - if not given, and error is signaled,
2923 - if t, stay silent,
2924 - if anything else, just print a message."
2926 (let ((name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
2927 (file (nnheader-find-etc-directory "gnus-tut.txt" t)))
2928 (if (gnus-group-entry name)
2929 (cond ((eq noerror nil)
2930 (error "Documentation group already exists"))
2935 (gnus-message 1 "Documentation group already exists")))
2938 (gnus-message 1 "Couldn't find doc group")
2939 (gnus-group-make-group
2940 (gnus-group-real-name name)
2941 (list 'nndoc "gnus-help"
2942 (list 'nndoc-address file)
2943 (list 'nndoc-article-type 'mbox))))
2945 (gnus-group-position-point))
2947 (defun gnus-group-make-doc-group (file type)
2948 "Create a group that uses a single file as the source.
2950 If called with a prefix argument, ask for the file type."
2952 (list (read-file-name "File name: ")
2953 (and current-prefix-arg 'ask)))
2954 (when (eq type 'ask)
2959 "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [m, b, d, f, a, g]: "
2961 (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
2962 ((= char ?b) 'babyl)
2963 ((= char ?d) 'digest)
2964 ((= char ?f) 'forward)
2966 ((= char ?g) 'guess)
2967 (t (setq err (format "%c unknown. " char))
2970 (setq file (expand-file-name file))
2971 (let* ((name (gnus-generate-new-group-name
2972 (gnus-group-prefixed-name
2973 (file-name-nondirectory file) '(nndoc ""))))
2974 (method (list 'nndoc file
2975 (list 'nndoc-address file)
2976 (list 'nndoc-article-type (or type 'guess))))
2977 (coding (gnus-group-name-charset method name)))
2978 (setcar (cdr method) (mm-encode-coding-string file coding))
2979 (gnus-group-make-group
2980 (mm-encode-coding-string (gnus-group-real-name name) coding)
2983 (defvar nnweb-type-definition)
2984 (defvar gnus-group-web-type-history nil)
2985 (defvar gnus-group-web-search-history nil)
2986 (defun gnus-group-make-web-group (&optional solid)
2987 "Create an ephemeral nnweb group.
2988 If SOLID (the prefix), create a solid group."
2992 (if solid (gnus-read-group "Group name: ")
2993 (message-unique-id)))
2994 (default-type (or (car gnus-group-web-type-history)
2995 (symbol-name (caar nnweb-type-definition))))
2998 (gnus-completing-read
2999 "Search engine type"
3000 (mapcar (lambda (elem) (symbol-name (car elem)))
3001 nnweb-type-definition)
3002 t nil 'gnus-group-web-type-history)
3007 (cons (or (car gnus-group-web-search-history) "") 0)
3008 'gnus-group-web-search-history))
3010 `(nnweb ,group (nnweb-search ,search)
3011 (nnweb-type ,(intern type))
3012 (nnweb-ephemeral-p t))))
3015 (gnus-pull 'nnweb-ephemeral-p method)
3016 (gnus-group-make-group group method))
3017 (gnus-group-read-ephemeral-group
3019 (cons (current-buffer)
3020 (if (eq major-mode 'gnus-summary-mode) 'summary 'group))))))
3022 (defvar nnrss-group-alist)
3024 (defun nnrss-discover-feed (arg))
3025 (defun nnrss-save-server-data (arg)))
3026 (defun gnus-group-make-rss-group (&optional url)
3027 "Given a URL, discover if there is an RSS feed.
3028 If there is, use Gnus to create an nnrss group"
3032 (setq url (read-from-minibuffer "URL to Search for RSS: ")))
3033 (let ((feedinfo (nnrss-discover-feed url)))
3035 (let* ((title (gnus-newsgroup-savable-name
3036 (read-from-minibuffer "Title: "
3037 (gnus-newsgroup-savable-name
3041 (or (cdr (assoc 'title
3045 (desc (read-from-minibuffer "Description: "
3049 (or (cdr (assoc 'description
3053 (href (cdr (assoc 'href feedinfo)))
3054 (coding (gnus-group-name-charset '(nnrss "") title)))
3056 ;; Unify non-ASCII text.
3057 (setq title (mm-decode-coding-string
3058 (mm-encode-coding-string title coding)
3060 (gnus-group-make-group title '(nnrss ""))
3061 (push (list title href desc) nnrss-group-alist)
3062 (nnrss-save-server-data nil))
3063 (error "No feeds found for %s" url))))
3065 (defun gnus-group-make-directory-group (dir)
3066 "Create an nndir group.
3067 The user will be prompted for a directory. The contents of this
3068 directory will be used as a newsgroup. The directory should contain
3069 mail messages or news articles in files that have numeric names."
3071 (list (read-file-name "Create group from directory: ")))
3072 (unless (file-exists-p dir)
3073 (error "No such directory"))
3074 (unless (file-directory-p dir)
3075 (error "Not a directory"))
3079 (while (or (not group) (gnus-group-entry group))
3081 (gnus-group-prefixed-name
3082 (expand-file-name ext dir)
3084 (setq ext (format "<%d>" (setq i (1+ i)))))
3085 (gnus-group-make-group
3086 (gnus-group-real-name group)
3087 (list 'nndir (gnus-group-real-name group) (list 'nndir-directory dir)))))
3089 (defun gnus-group-add-to-virtual (n vgroup)
3090 "Add the current group to a virtual group."
3092 (list current-prefix-arg
3093 (gnus-group-completing-read "Add to virtual group"
3094 nil t "nnvirtual:")))
3095 (unless (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
3096 (error "%s is not an nnvirtual group" vgroup))
3097 (gnus-close-group vgroup)
3098 (let* ((groups (gnus-group-process-prefix n))
3099 (method (gnus-info-method (gnus-get-info vgroup))))
3100 (setcar (cdr method)
3102 (nth 1 method) "\\|"
3105 (gnus-group-remove-mark s)
3106 (concat "\\(^" (regexp-quote s) "$\\)"))
3108 (gnus-group-position-point))
3110 (defun gnus-group-make-empty-virtual (group)
3111 "Create a new, fresh, empty virtual group."
3112 (interactive "sCreate new, empty virtual group: ")
3113 (let* ((method (list 'nnvirtual "^$"))
3114 (pgroup (gnus-group-prefixed-name group method)))
3115 ;; Check whether it exists already.
3116 (when (gnus-group-entry pgroup)
3117 (error "Group %s already exists" pgroup))
3118 ;; Subscribe the new group after the group on the current line.
3119 (gnus-subscribe-group pgroup (gnus-group-group-name) method)
3120 (gnus-group-update-group pgroup)
3122 (gnus-group-position-point)))
3124 (defun gnus-group-enter-directory (dir)
3125 "Enter an ephemeral nneething group."
3126 (interactive "DDirectory to read: ")
3127 (let* ((method (list 'nneething dir '(nneething-read-only t)))
3128 (leaf (gnus-group-prefixed-name
3129 (file-name-nondirectory (directory-file-name dir))
3131 (name (gnus-generate-new-group-name leaf)))
3132 (unless (gnus-group-read-ephemeral-group
3134 (cons (current-buffer)
3135 (if (eq major-mode 'gnus-summary-mode)
3137 (error "Couldn't enter %s" dir))))
3139 (defun gnus-group-expunge-group (group)
3140 "Expunge deleted articles in current nnimap GROUP."
3141 (interactive (list (gnus-group-group-name)))
3142 (let ((method (gnus-find-method-for-group group)))
3143 (if (not (gnus-check-backend-function
3144 'request-expunge-group (car method)))
3145 (error "%s does not support expunging" (car method))
3146 (gnus-request-expunge-group group method))))
3148 (autoload 'nnimap-acl-get "nnimap")
3149 (autoload 'nnimap-acl-edit "nnimap")
3151 (defun gnus-group-nnimap-edit-acl (group)
3152 "Edit the Access Control List of current nnimap GROUP."
3153 (interactive (list (gnus-group-group-name)))
3154 (let ((mailbox (gnus-group-real-name group)) method acl)
3156 (error "No group on current line"))
3157 (unless (gnus-get-info group)
3158 (error "Killed group; can't be edited"))
3159 (unless (eq (car (setq method (gnus-find-method-for-group group))) 'nnimap)
3160 (error "%s is not an nnimap group" group))
3161 (unless (setq acl (nnimap-acl-get mailbox (cadr method)))
3162 (error "Server does not support ACL's"))
3163 (gnus-edit-form acl (format "Editing the access control list for `%s'.
3165 An access control list is a list of (identifier . rights) elements.
3167 The identifier string specifies the corresponding user. The
3168 identifier \"anyone\" is reserved to refer to the universal identity.
3170 Rights is a string listing a (possibly empty) set of alphanumeric
3171 characters, each character listing a set of operations which is being
3172 controlled. Letters are reserved for ``standard'' rights, listed
3173 below. Digits are reserved for implementation or site defined rights.
3175 l - lookup (mailbox is visible to LIST/LSUB commands)
3176 r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL,
3177 SEARCH, COPY from mailbox)
3178 s - keep seen/unseen information across sessions (STORE \\SEEN flag)
3179 w - write (STORE flags other than \\SEEN and \\DELETED)
3180 i - insert (perform APPEND, COPY into mailbox)
3181 p - post (send mail to submission address for mailbox,
3182 not enforced by IMAP4 itself)
3183 c - create and delete mailbox (CREATE new sub-mailboxes in any
3184 implementation-defined hierarchy, RENAME or DELETE mailbox)
3185 d - delete messages (STORE \\DELETED flag, perform EXPUNGE)
3186 a - administer (perform SETACL)" group)
3189 ,mailbox ',method ',acl form)))))
3191 ;; Group sorting commands
3192 ;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
3194 (defun gnus-group-sort-groups (func &optional reverse)
3195 "Sort the group buffer according to FUNC.
3196 When used interactively, the sorting function used will be
3197 determined by the `gnus-group-sort-function' variable.
3198 If REVERSE (the prefix), reverse the sorting order."
3199 (interactive (list gnus-group-sort-function current-prefix-arg))
3200 (funcall gnus-group-sort-alist-function
3201 (gnus-make-sort-function func) reverse)
3202 (gnus-group-unmark-all-groups)
3203 (gnus-group-list-groups)
3204 (gnus-dribble-touch))
3206 (defun gnus-group-sort-flat (func reverse)
3207 ;; We peel off the dummy group from the alist.
3209 (when (equal (gnus-info-group (car gnus-newsrc-alist)) "dummy.group")
3210 (pop gnus-newsrc-alist))
3212 (setq gnus-newsrc-alist
3213 (sort gnus-newsrc-alist func))
3215 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
3216 ;; Regenerate the hash table.
3217 (gnus-make-hashtable-from-newsrc-alist)))
3219 (defun gnus-group-sort-groups-by-alphabet (&optional reverse)
3220 "Sort the group buffer alphabetically by group name.
3221 If REVERSE, sort in reverse order."
3223 (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
3225 (defun gnus-group-sort-groups-by-real-name (&optional reverse)
3226 "Sort the group buffer alphabetically by real (unprefixed) group name.
3227 If REVERSE, sort in reverse order."
3229 (gnus-group-sort-groups 'gnus-group-sort-by-real-name reverse))
3231 (defun gnus-group-sort-groups-by-unread (&optional reverse)
3232 "Sort the group buffer by number of unread articles.
3233 If REVERSE, sort in reverse order."
3235 (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
3237 (defun gnus-group-sort-groups-by-level (&optional reverse)
3238 "Sort the group buffer by group level.
3239 If REVERSE, sort in reverse order."
3241 (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
3243 (defun gnus-group-sort-groups-by-score (&optional reverse)
3244 "Sort the group buffer by group score.
3245 If REVERSE, sort in reverse order."
3247 (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
3249 (defun gnus-group-sort-groups-by-rank (&optional reverse)
3250 "Sort the group buffer by group rank.
3251 If REVERSE, sort in reverse order."
3253 (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
3255 (defun gnus-group-sort-groups-by-method (&optional reverse)
3256 "Sort the group buffer alphabetically by back end name.
3257 If REVERSE, sort in reverse order."
3259 (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
3261 (defun gnus-group-sort-groups-by-server (&optional reverse)
3262 "Sort the group buffer alphabetically by server name.
3263 If REVERSE, sort in reverse order."
3265 (gnus-group-sort-groups 'gnus-group-sort-by-server reverse))
3267 ;;; Selected group sorting.
3269 (defun gnus-group-sort-selected-groups (n func &optional reverse)
3270 "Sort the process/prefixed groups."
3271 (interactive (list current-prefix-arg gnus-group-sort-function))
3272 (let ((groups (gnus-group-process-prefix n)))
3273 (funcall gnus-group-sort-selected-function
3274 groups (gnus-make-sort-function func) reverse)
3275 (gnus-group-unmark-all-groups)
3276 (gnus-group-list-groups)
3277 (gnus-dribble-touch)))
3279 (defun gnus-group-sort-selected-flat (groups func reverse)
3280 (let (entries infos)
3281 ;; First find all the group entries for these groups.
3283 (push (nthcdr 2 (gnus-group-entry (pop groups)))
3285 ;; Then sort the infos.
3289 (lambda (entry) (car entry))
3290 (setq entries (nreverse entries)))
3293 (setq infos (nreverse infos)))
3294 ;; Go through all the infos and replace the old entries
3295 ;; with the new infos.
3297 (setcar (car entries) (pop infos))
3299 ;; Update the hashtable.
3300 (gnus-make-hashtable-from-newsrc-alist)))
3302 (defun gnus-group-sort-selected-groups-by-alphabet (&optional n reverse)
3303 "Sort the group buffer alphabetically by group name.
3304 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3305 sort in reverse order."
3306 (interactive (gnus-interactive "P\ny"))
3307 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-alphabet reverse))
3309 (defun gnus-group-sort-selected-groups-by-real-name (&optional n reverse)
3310 "Sort the group buffer alphabetically by real group name.
3311 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3312 sort in reverse order."
3313 (interactive (gnus-interactive "P\ny"))
3314 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-real-name reverse))
3316 (defun gnus-group-sort-selected-groups-by-unread (&optional n reverse)
3317 "Sort the group buffer by number of unread articles.
3318 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3319 sort in reverse order."
3320 (interactive (gnus-interactive "P\ny"))
3321 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-unread reverse))
3323 (defun gnus-group-sort-selected-groups-by-level (&optional n reverse)
3324 "Sort the group buffer by group level.
3325 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3326 sort in reverse order."
3327 (interactive (gnus-interactive "P\ny"))
3328 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-level reverse))
3330 (defun gnus-group-sort-selected-groups-by-score (&optional n reverse)
3331 "Sort the group buffer by group score.
3332 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3333 sort in reverse order."
3334 (interactive (gnus-interactive "P\ny"))
3335 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-score reverse))
3337 (defun gnus-group-sort-selected-groups-by-rank (&optional n reverse)
3338 "Sort the group buffer by group rank.
3339 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3340 sort in reverse order."
3341 (interactive (gnus-interactive "P\ny"))
3342 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-rank reverse))
3344 (defun gnus-group-sort-selected-groups-by-method (&optional n reverse)
3345 "Sort the group buffer alphabetically by back end name.
3346 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
3347 sort in reverse order."
3348 (interactive (gnus-interactive "P\ny"))
3349 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-method reverse))
3351 ;;; Sorting predicates.
3353 (defun gnus-group-sort-by-alphabet (info1 info2)
3354 "Sort alphabetically."
3355 (string< (gnus-info-group info1) (gnus-info-group info2)))
3357 (defun gnus-group-sort-by-real-name (info1 info2)
3358 "Sort alphabetically on real (unprefixed) names."
3359 (string< (gnus-group-real-name (gnus-info-group info1))
3360 (gnus-group-real-name (gnus-info-group info2))))
3362 (defun gnus-group-sort-by-unread (info1 info2)
3363 "Sort by number of unread articles."
3364 (let ((n1 (gnus-group-unread (gnus-info-group info1)))
3365 (n2 (gnus-group-unread (gnus-info-group info2))))
3366 (< (or (and (numberp n1) n1) 0)
3367 (or (and (numberp n2) n2) 0))))
3369 (defun gnus-group-sort-by-level (info1 info2)
3371 (< (gnus-info-level info1) (gnus-info-level info2)))
3373 (defun gnus-group-sort-by-method (info1 info2)
3374 "Sort alphabetically by back end name."
3375 (string< (car (gnus-find-method-for-group
3376 (gnus-info-group info1) info1))
3377 (car (gnus-find-method-for-group
3378 (gnus-info-group info2) info2))))
3380 (defun gnus-group-sort-by-server (info1 info2)
3381 "Sort alphabetically by server name."
3382 (string< (gnus-method-to-full-server-name
3383 (gnus-find-method-for-group
3384 (gnus-info-group info1) info1))
3385 (gnus-method-to-full-server-name
3386 (gnus-find-method-for-group
3387 (gnus-info-group info2) info2))))
3389 (defun gnus-group-sort-by-score (info1 info2)
3390 "Sort by group score."
3391 (> (gnus-info-score info1) (gnus-info-score info2)))
3393 (defun gnus-group-sort-by-rank (info1 info2)
3394 "Sort by level and score."
3395 (let ((level1 (gnus-info-level info1))
3396 (level2 (gnus-info-level info2)))
3397 (or (< level1 level2)
3398 (and (= level1 level2)
3399 (> (gnus-info-score info1) (gnus-info-score info2))))))
3403 (defun gnus-group-clear-data (&optional arg)
3404 "Clear all marks and read ranges from the current group.
3405 Obeys the process/prefix convention."
3407 (gnus-group-iterate arg
3410 (gnus-info-clear-data (setq info (gnus-get-info group)))
3411 (gnus-get-unread-articles-in-group info (gnus-active group) t)
3412 (when (gnus-group-goto-group group)
3413 (gnus-group-update-group-line))))))
3415 (defun gnus-group-clear-data-on-native-groups ()
3416 "Clear all marks and read ranges from all native groups."
3418 (when (gnus-yes-or-no-p "Really clear all data from almost all groups? ")
3419 (let ((alist (cdr gnus-newsrc-alist))
3421 (while (setq info (pop alist))
3422 (when (gnus-group-native-p (gnus-info-group info))
3423 (gnus-info-clear-data info)))
3424 (gnus-get-unread-articles)
3425 (gnus-dribble-touch)
3426 (when (gnus-y-or-n-p
3427 "Move the cache away to avoid problems in the future? ")
3428 (call-interactively 'gnus-cache-move-cache)))))
3430 (defun gnus-info-clear-data (info)
3431 "Clear all marks and read ranges from INFO."
3432 (let ((group (gnus-info-group info))
3434 (dolist (el (gnus-info-marks info))
3435 (push `(,(cdr el) add (,(car el))) action))
3436 (push `(,(gnus-info-read info) add (read)) action)
3439 (gnus-request-set-mark ,group ',action)
3440 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
3441 (gnus-info-set-read ',info ',(gnus-info-read info))
3442 (when (gnus-group-goto-group ,group)
3443 (gnus-get-unread-articles-in-group ',info ',(gnus-active group) t)
3444 (gnus-group-update-group-line))))
3445 (setq action (mapcar (lambda (el) (list (nth 0 el) 'del (nth 2 el)))
3447 (gnus-request-set-mark group action)
3448 (gnus-info-set-read info nil)
3449 (when (gnus-info-marks info)
3450 (gnus-info-set-marks info nil))))
3452 ;; Group catching up.
3454 (defun gnus-group-catchup-current (&optional n all)
3455 "Mark all unread articles in the current newsgroup as read.
3456 If prefix argument N is numeric, the next N newsgroups will be
3457 caught up. If ALL is non-nil, marked articles will also be marked as
3458 read. Cross references (Xref: header) of articles are ignored.
3459 The number of newsgroups that this function was unable to catch
3462 (let ((groups (gnus-group-process-prefix n))
3465 (unless groups (error "No groups selected"))
3467 (or (not gnus-interactive-catchup) ;Without confirmation?
3472 "Do you really want to mark all articles in %s as read? "
3473 "Mark all unread articles in %s as read? ")
3474 (if (= (length groups) 1)
3475 (gnus-group-decoded-name (car groups))
3476 (format "these %d groups" (length groups)))))))
3478 (while (setq group (pop groups))
3479 (gnus-group-remove-mark group)
3480 ;; Virtual groups have to be given special treatment.
3481 (let ((method (gnus-find-method-for-group group)))
3482 (when (eq 'nnvirtual (car method))
3483 (nnvirtual-catchup-group
3484 (gnus-group-real-name group) (nth 1 method) all)))
3486 ((>= (gnus-group-level group) gnus-level-zombie)
3487 (gnus-message 2 "Dead groups can't be caught up"))
3489 (gnus-group-goto-group group)
3490 (gnus-group-catchup group all))
3491 (gnus-group-update-group-line))
3493 (setq ret (1+ ret)))))
3494 (gnus-group-next-unread-group 1)
3497 (defun gnus-group-catchup-current-all (&optional n)
3498 "Mark all articles in current newsgroup as read.
3499 Cross references (Xref: header) of articles are ignored."
3501 (gnus-group-catchup-current n 'all))
3503 (defun gnus-group-catchup (group &optional all)
3504 "Mark all articles in GROUP as read.
3505 If ALL is non-nil, all articles are marked as read.
3506 The return value is the number of articles that were marked as read,
3507 or nil if no action could be taken."
3508 (let* ((entry (gnus-group-entry group))
3510 (marks (gnus-info-marks (nth 2 entry)))
3511 (unread (gnus-sequence-of-unread-articles group)))
3512 ;; Remove entries for this group.
3513 (nnmail-purge-split-history (gnus-group-real-name group))
3514 ;; Do the updating only if the newsgroup isn't killed.
3515 (if (not (numberp (car entry)))
3516 (gnus-message 1 "Can't catch up %s; non-active group" group)
3517 (gnus-update-read-articles group nil)
3519 ;; Nix out the lists of marks and dormants.
3520 (gnus-request-set-mark group (list (list (cdr (assq 'tick marks))
3522 (list (cdr (assq 'dormant marks))
3524 (setq unread (gnus-range-add (gnus-range-add
3525 unread (cdr (assq 'dormant marks)))
3526 (cdr (assq 'tick marks))))
3527 (gnus-add-marked-articles group 'tick nil nil 'force)
3528 (gnus-add-marked-articles group 'dormant nil nil 'force))
3529 ;; Do auto-expirable marks if that's required.
3530 (when (gnus-group-auto-expirable-p group)
3533 (gnus-add-marked-articles group 'expire (list article))
3534 (gnus-request-set-mark group (list (list (list article)
3537 (let ((gnus-newsgroup-name group))
3538 (gnus-run-hooks 'gnus-group-catchup-group-hook))
3541 (defun gnus-group-expire-articles (&optional n)
3542 "Expire all expirable articles in the current newsgroup.
3543 Uses the process/prefix convention."
3545 (let ((groups (gnus-group-process-prefix n))
3548 (error "No groups to expire"))
3549 (while (setq group (pop groups))
3550 (gnus-group-remove-mark group)
3551 (gnus-group-expire-articles-1 group)
3552 (gnus-dribble-touch)
3553 (gnus-group-position-point))))
3555 (defun gnus-group-expire-articles-1 (group)
3556 (when (gnus-check-backend-function 'request-expire-articles group)
3557 (gnus-message 6 "Expiring articles in %s..."
3558 (gnus-group-decoded-name group))
3559 (let* ((info (gnus-get-info group))
3560 (expirable (if (gnus-group-total-expirable-p group)
3561 (cons nil (gnus-list-of-read-articles group))
3562 (assq 'expire (gnus-info-marks info))))
3563 (expiry-wait (gnus-group-find-parameter group 'expiry-wait))
3564 (nnmail-expiry-target
3565 (or (gnus-group-find-parameter group 'expiry-target)
3566 nnmail-expiry-target)))
3568 (gnus-check-group group)
3571 (gnus-compress-sequence
3573 ;; We set the expiry variables to the group
3575 (let ((nnmail-expiry-wait-function nil)
3576 (nnmail-expiry-wait expiry-wait))
3577 (gnus-request-expire-articles
3578 (gnus-uncompress-sequence (cdr expirable)) group))
3579 ;; Just expire using the normal expiry values.
3580 (gnus-request-expire-articles
3581 (gnus-uncompress-sequence (cdr expirable)) group))))
3582 (gnus-close-group group))
3583 (gnus-message 6 "Expiring articles in %s...done"
3584 (gnus-group-decoded-name group))
3585 ;; Return the list of un-expired articles.
3588 (defun gnus-group-expire-all-groups ()
3589 "Expire all expirable articles in all newsgroups."
3592 (gnus-message 5 "Expiring...")
3593 (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
3594 (cdr gnus-newsrc-alist))))
3595 (gnus-group-expire-articles nil)))
3596 (gnus-group-position-point)
3597 (gnus-message 5 "Expiring...done"))
3599 (defun gnus-group-set-current-level (n level)
3600 "Set the level of the next N groups to LEVEL."
3605 (unless (gnus-group-process-prefix current-prefix-arg)
3606 (error "No group on the current line"))
3608 (let ((s (read-string
3609 (format "Level (default %s): "
3610 (or (gnus-group-group-level)
3611 gnus-level-default-subscribed)))))
3612 (if (string-match "^\\s-*$" s)
3613 (int-to-string (or (gnus-group-group-level)
3614 gnus-level-default-subscribed))
3616 (unless (and (>= level 1) (<= level gnus-level-killed))
3617 (error "Invalid level: %d" level))
3618 (dolist (group (gnus-group-process-prefix n))
3619 (gnus-group-remove-mark group)
3620 (gnus-message 6 "Changed level of %s from %d to %d"
3621 (gnus-group-decoded-name group)
3622 (or (gnus-group-group-level) gnus-level-killed)
3624 (gnus-group-change-level
3625 group level (or (gnus-group-group-level) gnus-level-killed))
3626 (gnus-group-update-group-line))
3627 (gnus-group-position-point))
3629 (defun gnus-group-unsubscribe (&optional n)
3630 "Unsubscribe the current group."
3632 (gnus-group-unsubscribe-current-group n 'unsubscribe))
3634 (defun gnus-group-subscribe (&optional n)
3635 "Subscribe the current group."
3637 (gnus-group-unsubscribe-current-group n 'subscribe))
3639 (defun gnus-group-unsubscribe-current-group (&optional n do-sub)
3640 "Toggle subscription of the current group.
3641 If given numerical prefix, toggle the N next groups."
3643 (dolist (group (gnus-group-process-prefix n))
3644 (gnus-group-remove-mark group)
3645 (gnus-group-unsubscribe-group
3648 ((eq do-sub 'unsubscribe)
3649 gnus-level-default-unsubscribed)
3650 ((eq do-sub 'subscribe)
3651 gnus-level-default-subscribed)
3652 ((<= (gnus-group-group-level) gnus-level-subscribed)
3653 gnus-level-default-unsubscribed)
3655 gnus-level-default-subscribed))
3657 (gnus-group-update-group-line))
3658 (gnus-group-next-group 1))
3660 (defun gnus-group-unsubscribe-group (group &optional level silent)
3661 "Toggle subscription to GROUP.
3662 Killed newsgroups are subscribed. If SILENT, don't try to update the
3664 (interactive (list (gnus-group-completing-read
3665 nil (gnus-read-active-file-p))))
3666 (let ((newsrc (gnus-group-entry group)))
3668 ((string-match "^[ \t]*$" group)
3669 (error "Empty group name"))
3671 ;; Toggle subscription flag.
3672 (gnus-group-change-level
3673 newsrc (if level level (if (<= (gnus-info-level (nth 2 newsrc))
3674 gnus-level-subscribed)
3675 (1+ gnus-level-subscribed)
3676 gnus-level-default-subscribed)))
3678 (gnus-group-update-group group)))
3679 ((and (stringp group)
3680 (or (not (gnus-read-active-file-p))
3681 (gnus-active group)))
3682 ;; Add new newsgroup.
3683 (gnus-group-change-level
3685 (if level level gnus-level-default-subscribed)
3686 (or (and (member group gnus-zombie-list)
3689 (when (gnus-group-group-name)
3690 (gnus-group-entry (gnus-group-group-name))))
3692 (gnus-group-update-group group)))
3693 (t (error "No such newsgroup: %s" group)))
3694 (gnus-group-position-point)))
3696 (defun gnus-group-transpose-groups (n)
3697 "Move the current newsgroup up N places.
3698 If given a negative prefix, move down instead. The difference between
3699 N and the number of steps taken is returned."
3701 (unless (gnus-group-group-name)
3702 (error "No group on current line"))
3703 (gnus-group-kill-group 1)
3705 (forward-line (- n))
3706 (gnus-group-yank-group)
3707 (gnus-group-position-point)))
3709 (defun gnus-group-kill-all-zombies (&optional dummy)
3710 "Kill all zombie newsgroups.
3711 The optional DUMMY should always be nil."
3712 (interactive (list (not (gnus-yes-or-no-p "Really kill all zombies? "))))
3714 (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
3715 (setq gnus-zombie-list nil)
3716 (gnus-dribble-touch)
3717 (gnus-group-list-groups)))
3719 (defun gnus-group-kill-region (begin end)
3720 "Kill newsgroups in current region (excluding current point).
3721 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
3734 (beginning-of-line) ;Important when LINES < 1
3735 (gnus-group-kill-group lines)))
3737 (defun gnus-group-kill-group (&optional n discard)
3738 "Kill the next N groups.
3739 The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
3740 However, only groups that were alive can be yanked; already killed
3741 groups or zombie groups can't be yanked.
3742 The return value is the name of the group that was killed, or a list
3745 (let ((buffer-read-only nil)
3746 (groups (gnus-group-process-prefix n))
3747 group entry level out)
3748 (if (< (length groups) 10)
3749 ;; This is faster when there are few groups.
3751 (push (setq group (pop groups)) out)
3752 (gnus-group-remove-mark group)
3753 (setq level (gnus-group-group-level))
3755 (when (and (not discard)
3756 (setq entry (gnus-group-entry group)))
3759 (gnus-group-goto-group ,(gnus-group-group-name))
3760 (gnus-group-yank-group)))
3761 (push (cons (car entry) (nth 2 entry))
3762 gnus-list-of-killed-groups))
3763 (gnus-group-change-level
3764 (if entry entry group) gnus-level-killed (if entry nil level))
3765 (message "Killed group %s" (gnus-group-decoded-name group)))
3766 ;; If there are lots and lots of groups to be killed, we use
3767 ;; this thing instead.
3768 (dolist (group (nreverse groups))
3769 (gnus-group-remove-mark group)
3771 (push group gnus-killed-list)
3772 (setq gnus-newsrc-alist
3773 (delq (assoc group gnus-newsrc-alist)
3775 (when gnus-group-change-level-function
3776 (funcall gnus-group-change-level-function
3777 group gnus-level-killed 3))
3779 ((setq entry (gnus-group-entry group))
3780 (push (cons (car entry) (nth 2 entry))
3781 gnus-list-of-killed-groups)
3782 (setcdr (cdr entry) (cdddr entry)))
3783 ((member group gnus-zombie-list)
3784 (setq gnus-zombie-list (delete group gnus-zombie-list))))
3785 ;; There may be more than one instance displayed.
3786 (while (gnus-group-goto-group group)
3787 (gnus-delete-line)))
3788 (gnus-make-hashtable-from-newsrc-alist))
3790 (gnus-group-position-point)
3791 (if (< (length out) 2) (car out) (nreverse out))))
3793 (defun gnus-group-yank-group (&optional arg)
3794 "Yank the last newsgroups killed with \\[gnus-group-kill-group], inserting it before the current newsgroup.
3795 The numeric ARG specifies how many newsgroups are to be yanked. The
3796 name of the newsgroup yanked is returned, or (if several groups are
3797 yanked) a list of yanked groups is returned."
3799 (setq arg (or arg 1))
3800 (let (info group prev out)
3801 (while (>= (decf arg) 0)
3802 (when (not (setq info (pop gnus-list-of-killed-groups)))
3803 (error "No more newsgroups to yank"))
3804 (push (setq group (nth 1 info)) out)
3805 ;; Find which newsgroup to insert this one before - search
3806 ;; backward until something suitable is found. If there are no
3807 ;; other newsgroups in this buffer, just make this newsgroup the
3809 (setq prev (gnus-group-group-name))
3810 (gnus-group-change-level
3811 info (gnus-info-level (cdr info)) gnus-level-killed
3812 (and prev (gnus-group-entry prev))
3814 (gnus-group-insert-group-line-info group)
3816 `(when (gnus-group-goto-group ,group)
3817 (gnus-group-kill-group 1))))
3819 (gnus-group-position-point)
3820 (if (< (length out) 2) (car out) (nreverse out))))
3822 (defun gnus-group-kill-level (level)
3823 "Kill all groups that is on a certain LEVEL."
3824 (interactive "nKill all groups on level: ")
3826 ((= level gnus-level-zombie)
3827 (setq gnus-killed-list
3828 (nconc gnus-zombie-list gnus-killed-list))
3829 (setq gnus-zombie-list nil))
3830 ((and (< level gnus-level-zombie)
3832 (or gnus-expert-user
3835 "Do you really want to kill all groups on level %d? "
3837 (let* ((prev gnus-newsrc-alist)
3840 (if (= (gnus-info-level (car alist)) level)
3842 (push (gnus-info-group (car alist)) gnus-killed-list)
3843 (setcdr prev (cdr alist)))
3845 (setq alist (cdr alist)))
3846 (gnus-make-hashtable-from-newsrc-alist)
3847 (gnus-group-list-groups)))
3849 (error "Can't kill; invalid level: %d" level))))
3851 (defun gnus-group-list-all-groups (&optional arg)
3852 "List all newsgroups with level ARG or lower.
3853 Default is `gnus-level-unsubscribed', which lists all subscribed and most
3854 unsubscribed groups."
3856 (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
3858 ;; Redefine this to list ALL killed groups if prefix arg used.
3859 ;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
3860 (defun gnus-group-list-killed (&optional arg)
3861 "List all killed newsgroups in the group buffer.
3862 If ARG is non-nil, list ALL killed groups known to Gnus. This may
3863 entail asking the server for the groups."
3865 ;; Find all possible killed newsgroups if arg.
3867 (gnus-get-killed-groups))
3868 (if (not gnus-killed-list)
3869 (gnus-message 6 "No killed groups")
3870 (let (gnus-group-list-mode)
3871 (funcall gnus-group-prepare-function
3872 gnus-level-killed t gnus-level-killed))
3873 (goto-char (point-min)))
3874 (gnus-group-position-point))
3876 (defun gnus-group-list-zombies ()
3877 "List all zombie newsgroups in the group buffer."
3879 (if (not gnus-zombie-list)
3880 (gnus-message 6 "No zombie groups")
3881 (let (gnus-group-list-mode)
3882 (funcall gnus-group-prepare-function
3883 gnus-level-zombie t gnus-level-zombie))
3884 (goto-char (point-min)))
3885 (gnus-group-position-point))
3887 (defun gnus-group-list-active ()
3888 "List all groups that are available from the server(s)."
3890 ;; First we make sure that we have really read the active file.
3891 (unless (gnus-read-active-file-p)
3892 (let ((gnus-read-active-file t)
3893 (gnus-agent gnus-plugged)); If we're actually plugged, store the active file in the agent.
3894 (gnus-read-active-file)))
3895 ;; Find all groups and sort them.
3903 (push (symbol-name sym) list)))
3907 (buffer-read-only nil)
3911 (setq group (pop groups))
3912 (gnus-add-text-properties
3913 (point) (prog1 (1+ (point))
3915 (gnus-group-decoded-name group)
3917 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
3919 'gnus-level (inline (gnus-group-level group)))))
3920 (goto-char (point-min))))
3922 (defun gnus-activate-all-groups (level)
3923 "Activate absolutely all groups."
3924 (interactive (list gnus-level-unsubscribed))
3925 (let ((gnus-activate-level level)
3926 (gnus-activate-foreign-newsgroups level))
3927 (gnus-group-get-new-news)))
3929 (defun gnus-group-get-new-news (&optional arg)
3930 "Get newly arrived articles.
3931 If ARG is a number, it specifies which levels you are interested in
3932 re-scanning. If ARG is non-nil and not a number, this will force
3933 \"hard\" re-reading of the active files from all servers."
3936 (let ((gnus-inhibit-demon t)
3937 ;; Binding this variable will inhibit multiple fetchings
3938 ;; of the same mail source.
3939 (nnmail-fetched-sources (list t)))
3940 (gnus-run-hooks 'gnus-get-top-new-news-hook)
3941 (gnus-run-hooks 'gnus-get-new-news-hook)
3943 ;; Read any slave files.
3945 (gnus-master-read-slave-newsrc))
3947 (gnus-get-unread-articles arg)
3949 ;; If the user wants it, we scan for new groups.
3950 (when (eq gnus-check-new-newsgroups 'always)
3951 (gnus-find-new-newsgroups))
3953 (gnus-check-reasonable-setup)
3954 (gnus-run-hooks 'gnus-after-getting-new-news-hook)
3955 (gnus-group-list-groups (and (numberp arg)
3956 (max (car gnus-group-list-mode) arg)))))
3958 (defun gnus-group-get-new-news-this-group (&optional n dont-scan)
3959 "Check for newly arrived news in the current group (and the N-1 next groups).
3960 The difference between N and the number of newsgroup checked is returned.
3961 If N is negative, this group and the N-1 previous groups will be checked.
3962 If DONT-SCAN is non-nil, scan non-activated groups as well."
3964 (let* ((groups (gnus-group-process-prefix n))
3965 (ret (if (numberp n) (- n (length groups)) 0))
3969 (gnus-inhibit-demon t)
3970 ;; Binding this variable will inhibit multiple fetchings
3971 ;; of the same mail source.
3972 (nnmail-fetched-sources (list t)))
3973 (gnus-run-hooks 'gnus-get-new-news-hook)
3974 (while (setq group (pop groups))
3975 (gnus-group-remove-mark group)
3976 ;; Bypass any previous denials from the server.
3977 (gnus-remove-denial (setq method (gnus-find-method-for-group group)))
3978 (if (gnus-activate-group group (if dont-scan nil 'scan) nil method)
3979 (let ((info (gnus-get-info group))
3980 (active (gnus-active group)))
3982 (gnus-request-update-info info method))
3983 (gnus-get-unread-articles-in-group info active)
3984 (unless (gnus-virtual-group-p group)
3985 (gnus-close-group group))
3987 (gnus-agent-save-group-info
3988 method (gnus-group-real-name group) active))
3989 (gnus-group-update-group group))
3990 (if (eq (gnus-server-status (gnus-find-method-for-group group))
3992 (gnus-error 3 "Server denied access")
3993 (gnus-error 3 "%s error: %s" group (gnus-status-message group)))))
3996 (when gnus-goto-next-group-when-activating
3997 (gnus-group-next-unread-group 1 t))
3998 (gnus-summary-position-point)
4001 (defun gnus-group-fetch-control (group)
4002 "Fetch the archived control messages for the current group.
4003 If given a prefix argument, prompt for a group."
4005 (list (or (when current-prefix-arg
4006 (gnus-group-completing-read))
4007 (gnus-group-group-name)
4008 gnus-newsgroup-name)))
4010 (error "No group name given"))
4011 (let ((name (gnus-group-real-name group))
4013 (when (string-match "\\(^[^\\.]+\\)\\..*" name)
4014 (setq hierarchy (match-string 1 name))
4015 (if gnus-group-fetch-control-use-browse-url
4016 (browse-url (concat "ftp://ftp.isc.org/usenet/control/"
4017 hierarchy "/" name ".gz"))
4018 (let ((enable-local-variables nil))
4019 (gnus-group-read-ephemeral-group
4021 `(nndoc ,group (nndoc-address
4022 ,(find-file-noselect
4023 (concat "/ftp@ftp.isc.org:/usenet/control/"
4024 hierarchy "/" name ".gz")))
4025 (nndoc-article-type mbox)) t nil nil))))))
4027 (defun gnus-group-describe-group (force &optional group)
4028 "Display a description of the current newsgroup."
4029 (interactive (list current-prefix-arg (gnus-group-group-name)))
4030 (let* ((method (gnus-find-method-for-group group))
4031 (mname (gnus-group-prefixed-name "" method))
4034 gnus-description-hashtb)
4035 (gnus-sethash mname nil gnus-description-hashtb))
4037 (error "No group name given"))
4038 (when (or (and gnus-description-hashtb
4039 ;; We check whether this group's method has been
4040 ;; queried for a description file.
4041 (gnus-gethash mname gnus-description-hashtb))
4042 (setq desc (gnus-group-get-description group))
4043 (gnus-read-descriptions-file method))
4044 (gnus-message 1 "%s"
4045 (or desc (gnus-gethash group gnus-description-hashtb)
4046 "No description available")))))
4048 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
4049 (defun gnus-group-describe-all-groups (&optional force)
4050 "Pop up a buffer with descriptions of all newsgroups."
4053 (setq gnus-description-hashtb nil))
4054 (when (not (or gnus-description-hashtb
4055 (gnus-read-all-descriptions-files)))
4056 (error "Couldn't request descriptions file"))
4057 (let ((buffer-read-only nil)
4063 (let ((charset (gnus-group-name-charset nil (symbol-name group))))
4064 (insert (format " *: %-20s %s\n"
4065 (gnus-group-name-decode
4066 (symbol-name group) charset)
4067 (gnus-group-name-decode
4068 (symbol-value group) charset))))
4069 (gnus-add-text-properties
4070 b (1+ b) (list 'gnus-group group
4071 'gnus-unread t 'gnus-marked nil
4072 'gnus-level (1+ gnus-level-subscribed))))
4073 gnus-description-hashtb)
4074 (goto-char (point-min))
4075 (gnus-group-position-point)))
4077 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
4078 (defun gnus-group-apropos (regexp &optional search-description)
4079 "List all newsgroups that have names that match a regexp."
4080 (interactive "sGnus apropos (regexp): ")
4082 (obuf (current-buffer))
4084 ;; Go through all newsgroups that are known to Gnus.
4087 (and (symbol-name group)
4088 (string-match regexp (symbol-name group))
4089 (symbol-value group)
4090 (push (symbol-name group) groups)))
4092 ;; Also go through all descriptions that are known to Gnus.
4093 (when search-description
4096 (and (string-match regexp (symbol-value group))
4097 (push (symbol-name group) groups)))
4098 gnus-description-hashtb))
4100 (gnus-message 3 "No groups matched \"%s\"." regexp)
4101 ;; Print out all the groups.
4103 (pop-to-buffer "*Gnus Help*")
4104 (buffer-disable-undo)
4106 (setq groups (sort groups 'string<))
4108 ;; Groups may be entered twice into the list of groups.
4109 (when (not (string= (car groups) prev))
4110 (setq prev (car groups))
4111 (let ((charset (gnus-group-name-charset nil prev)))
4112 (insert (gnus-group-name-decode prev charset) "\n")
4113 (when (and gnus-description-hashtb
4114 (setq des (gnus-gethash (car groups)
4115 gnus-description-hashtb)))
4116 (insert " " (gnus-group-name-decode des charset) "\n"))))
4117 (setq groups (cdr groups)))
4118 (goto-char (point-min))))
4119 (pop-to-buffer obuf)))
4121 (defun gnus-group-description-apropos (regexp)
4122 "List all newsgroups that have names or descriptions that match REGEXP."
4123 (interactive "sGnus description apropos (regexp): ")
4124 (when (not (or gnus-description-hashtb
4125 (gnus-read-all-descriptions-files)))
4126 (error "Couldn't request descriptions file"))
4127 (gnus-group-apropos regexp t))
4129 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
4130 (defun gnus-group-list-matching (level regexp &optional all lowest)
4131 "List all groups with unread articles that match REGEXP.
4132 If the prefix LEVEL is non-nil, it should be a number that says which
4133 level to cut off listing groups.
4134 If ALL, also list groups with no unread articles.
4135 If LOWEST, don't list groups with level lower than LOWEST.
4137 This command may read the active file."
4138 (interactive "P\nsList newsgroups matching: ")
4139 ;; First make sure active file has been read.
4141 (> (prefix-numeric-value level) gnus-level-killed))
4142 (gnus-get-killed-groups))
4143 (funcall gnus-group-prepare-function
4144 (or level gnus-level-subscribed) (and all t) (or lowest 1) regexp)
4145 (goto-char (point-min))
4146 (gnus-group-position-point))
4148 (defun gnus-group-list-all-matching (level regexp &optional lowest)
4149 "List all groups that match REGEXP.
4150 If the prefix LEVEL is non-nil, it should be a number that says which
4151 level to cut off listing groups.
4152 If LOWEST, don't list groups with level lower than LOWEST."
4153 (interactive "P\nsList newsgroups matching: ")
4155 (setq level (prefix-numeric-value level)))
4156 (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
4158 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
4159 (defun gnus-group-save-newsrc (&optional force)
4160 "Save the Gnus startup files.
4161 If FORCE, force saving whether it is necessary or not."
4163 (gnus-save-newsrc-file force))
4165 (defun gnus-group-restart (&optional arg)
4166 "Force Gnus to read the .newsrc file."
4168 (when (gnus-yes-or-no-p
4169 (format "Are you sure you want to restart Gnus? "))
4170 (gnus-save-newsrc-file)
4174 (defun gnus-group-read-init-file ()
4175 "Read the Gnus elisp init file."
4177 (gnus-read-init-file)
4178 (gnus-message 5 "Read %s" gnus-init-file))
4180 (defun gnus-group-check-bogus-groups (&optional silent)
4181 "Check bogus newsgroups.
4182 If given a prefix, don't ask for confirmation before removing a bogus
4185 (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
4186 (gnus-group-list-groups))
4188 (defun gnus-group-find-new-groups (&optional arg)
4189 "Search for new groups and add them.
4190 Each new group will be treated with `gnus-subscribe-newsgroup-method'.
4191 With 1 C-u, use the `ask-server' method to query the server for new
4193 With 2 C-u's, use most complete method possible to query the server
4194 for new groups, and subscribe the new groups as zombies."
4196 (gnus-find-new-newsgroups (or arg 1))
4197 (gnus-group-list-groups))
4199 (defun gnus-group-edit-global-kill (&optional article group)
4200 "Edit the global kill file.
4201 If GROUP, edit that local kill file instead."
4203 (setq gnus-current-kill-article article)
4204 (gnus-kill-file-edit-file group)
4205 (gnus-message 6 "Editing a %s kill file (Type %s to exit)"
4206 (if group "local" "global")
4207 (substitute-command-keys "\\[gnus-kill-file-exit]")))
4209 (defun gnus-group-edit-local-kill (article group)
4210 "Edit a local kill file."
4211 (interactive (list nil (gnus-group-group-name)))
4212 (gnus-group-edit-global-kill article group))
4214 (defun gnus-group-force-update ()
4215 "Update `.newsrc' file."
4217 (gnus-save-newsrc-file))
4219 (defvar gnus-backlog-articles)
4221 (defun gnus-group-suspend ()
4222 "Suspend the current Gnus session.
4223 In fact, cleanup buffers except for group mode buffer.
4224 The hook `gnus-suspend-gnus-hook' is called before actually suspending."
4226 (gnus-run-hooks 'gnus-suspend-gnus-hook)
4227 (gnus-offer-save-summaries)
4228 ;; Kill Gnus buffers except for group mode buffer.
4229 (let ((group-buf (get-buffer gnus-group-buffer)))
4230 (dolist (buf (gnus-buffers))
4231 (unless (or (eq buf group-buf)
4232 (eq buf gnus-dribble-buffer)
4233 (with-current-buffer buf
4234 (eq major-mode 'message-mode)))
4235 (gnus-kill-buffer buf)))
4236 (setq gnus-backlog-articles nil)
4237 (gnus-kill-gnus-frames)
4239 (bury-buffer group-buf)
4240 (delete-windows-on group-buf t))))
4242 (defun gnus-group-clear-dribble ()
4243 "Clear all information from the dribble buffer."
4245 (gnus-dribble-clear)
4246 (gnus-message 7 "Cleared dribble buffer"))
4248 (defun gnus-group-exit ()
4249 "Quit reading news after updating .newsrc.eld and .newsrc.
4250 The hook `gnus-exit-gnus-hook' is called before actually exiting."
4253 (or noninteractive ;For gnus-batch-kill
4254 (not gnus-interactive-exit) ;Without confirmation
4256 (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
4257 (gnus-run-hooks 'gnus-exit-gnus-hook)
4258 ;; Offer to save data from non-quitted summary buffers.
4259 (gnus-offer-save-summaries)
4260 ;; Save the newsrc file(s).
4261 (gnus-save-newsrc-file)
4263 (gnus-close-backends)
4264 ;; Reset everything.
4266 ;; Allow the user to do things after cleaning up.
4267 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
4269 (defun gnus-group-quit ()
4270 "Quit reading news without updating .newsrc.eld or .newsrc.
4271 The hook `gnus-exit-gnus-hook' is called before actually exiting."
4273 (when (or noninteractive ;For gnus-batch-kill
4274 (zerop (buffer-size))
4275 (not (gnus-server-opened gnus-select-method))
4277 (not gnus-current-startup-file)
4279 (format "Quit reading news without saving %s? "
4280 (file-name-nondirectory gnus-current-startup-file))))
4281 (gnus-run-hooks 'gnus-exit-gnus-hook)
4282 (gnus-configure-windows 'group t)
4283 (when (and (gnus-buffer-live-p gnus-dribble-buffer)
4284 (not (zerop (with-current-buffer gnus-dribble-buffer
4287 ";;; Gnus was exited on purpose without saving the .newsrc files."))
4289 (gnus-close-backends)
4291 (gnus-kill-buffer gnus-group-buffer)
4292 ;; Allow the user to do things after cleaning up.
4293 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
4295 (defun gnus-group-describe-briefly ()
4296 "Give a one line description of the group mode commands."
4298 (gnus-message 7 "%s" (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help")))
4300 (defun gnus-group-browse-foreign-server (method)
4301 "Browse a foreign news server.
4302 If called interactively, this function will ask for a select method
4303 (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
4304 If not, METHOD should be a list where the first element is the method
4305 and the second element is the address."
4307 (list (let ((how (gnus-completing-read
4309 (mapcar 'car (append gnus-valid-select-methods gnus-server-alist))
4310 t (cons "nntp" 0) 'gnus-method-history)))
4311 ;; We either got a back end name or a virtual server name.
4312 ;; If the first, we also need an address.
4313 (if (assoc how gnus-valid-select-methods)
4315 ;; Suggested by mapjph@bath.ac.uk.
4316 (gnus-completing-read
4318 gnus-secondary-servers))
4319 ;; We got a server name.
4321 (gnus-browse-foreign-server method))
4323 (defun gnus-group-set-info (info &optional method-only-group part)
4324 (when (or info part)
4325 (let* ((entry (gnus-group-entry
4326 (or method-only-group (gnus-info-group info))))
4328 (info (if method-only-group (nth 2 entry) info))
4330 (when method-only-group
4332 (error "Trying to change non-existent group %s" method-only-group))
4333 ;; We have received parts of the actual group info - either the
4334 ;; select method or the group parameters. We first check
4335 ;; whether we have to extend the info, and if so, do that.
4336 (let ((len (length info))
4337 (total (if (eq part 'method) 5 6)))
4339 (setcdr (nthcdr (1- len) info)
4340 (make-list (- total len) nil)))
4341 ;; Then we enter the new info.
4342 (setcar (nthcdr (1- total) info) part-info)))
4344 ;; This is a new group, so we just create it.
4345 (with-current-buffer gnus-group-buffer
4346 (setq method (gnus-info-method info))
4347 (when (gnus-server-equal method "native")
4349 (with-current-buffer gnus-group-buffer
4351 ;; It's a foreign group...
4352 (gnus-group-make-group
4353 (gnus-group-real-name (gnus-info-group info))
4354 (if (stringp method) method
4355 (prin1-to-string (car method)))
4357 (nth 1 (gnus-info-method info)))
4359 ;; It's a native group.
4360 (gnus-group-make-group (gnus-info-group info) nil nil nil t)))
4361 (gnus-message 6 "Note: New group created")
4363 (gnus-group-entry (gnus-group-prefixed-name
4364 (gnus-group-real-name (gnus-info-group info))
4365 (or (gnus-info-method info) gnus-select-method))))))
4366 ;; Whether it was a new group or not, we now have the entry, so we
4367 ;; can do the update.
4370 (setcar (nthcdr 2 entry) info)
4371 (when (and (not (eq (car entry) t))
4372 (gnus-active (gnus-info-group info)))
4373 (setcar entry (length
4374 (gnus-list-of-unread-articles (car info))))))
4375 (error "No such group: %s" (gnus-info-group info))))))
4377 (defun gnus-group-set-method-info (group select-method)
4378 (gnus-group-set-info select-method group 'method))
4380 (defun gnus-group-set-params-info (group params)
4381 (gnus-group-set-info params group 'params))
4383 (defun gnus-add-marked-articles (group type articles &optional info force)
4384 ;; Add ARTICLES of TYPE to the info of GROUP.
4385 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
4386 ;; add, but replace marked articles of TYPE with ARTICLES.
4387 (let ((info (or info (gnus-get-info group)))
4390 (and (not (setq marked (nthcdr 3 info)))
4392 (setcdr (nthcdr 2 info)
4393 (list (list (cons type (gnus-compress-sequence
4395 (and (not (setq m (assq type (car marked))))
4398 (cons (cons type (gnus-compress-sequence articles t) )
4402 (setcar (nthcdr 3 info)
4403 (gnus-delete-alist type (car marked)))
4404 (setcdr m (gnus-compress-sequence articles t)))
4405 (setcdr m (gnus-compress-sequence
4406 (sort (nconc (gnus-uncompress-range (cdr m))
4407 (copy-sequence articles)) '<) t))))))
4409 (defun gnus-add-mark (group mark article)
4410 "Mark ARTICLE in GROUP with MARK, whether the group is displayed or not."
4411 (let ((buffer (gnus-summary-buffer-name group)))
4412 (if (gnus-buffer-live-p buffer)
4413 (with-current-buffer (get-buffer buffer)
4414 (gnus-summary-add-mark article mark))
4415 (gnus-add-marked-articles group (cdr (assq mark gnus-article-mark-lists))
4419 ;;; Group timestamps
4422 (defun gnus-group-set-timestamp ()
4423 "Change the timestamp of the current group to the current time.
4424 This function can be used in hooks like `gnus-select-group-hook'
4425 or `gnus-group-catchup-group-hook'."
4426 (when gnus-newsgroup-name
4427 (let ((time (current-time)))
4428 (setcdr (cdr time) nil)
4429 (gnus-group-set-parameter gnus-newsgroup-name 'timestamp time))))
4431 (defsubst gnus-group-timestamp (group)
4432 "Return the timestamp for GROUP."
4433 (gnus-group-get-parameter group 'timestamp t))
4435 (defun gnus-group-timestamp-delta (group)
4436 "Return the offset in seconds from the timestamp for GROUP to the current time, as a floating point number."
4437 (let* ((time (or (gnus-group-timestamp group)
4439 (delta (subtract-time (current-time) time)))
4440 (+ (* (nth 0 delta) 65536.0)
4443 (defun gnus-group-timestamp-string (group)
4444 "Return a string of the timestamp for GROUP."
4445 (let ((time (gnus-group-timestamp group)))
4448 (gnus-time-iso8601 time))))
4450 (defun gnus-group-list-cached (level &optional lowest)
4451 "List all groups with cached articles.
4452 If the prefix LEVEL is non-nil, it should be a number that says which
4453 level to cut off listing groups.
4454 If LOWEST, don't list groups with level lower than LOWEST.
4456 This command may read the active file."
4459 (setq level (prefix-numeric-value level)))
4460 (when (or (not level) (>= level gnus-level-zombie))
4462 (funcall gnus-group-prepare-function
4463 (or level gnus-level-subscribed)
4465 (let ((marks (gnus-info-marks info)))
4466 (assq 'cache marks)))
4469 (or (gnus-gethash group
4470 gnus-cache-active-hashtb)
4471 ;; Cache active file might use "."
4474 (mapconcat 'identity
4475 (split-string group ":")
4477 gnus-cache-active-hashtb))))
4478 (goto-char (point-min))
4479 (gnus-group-position-point))
4481 (defun gnus-group-list-dormant (level &optional lowest)
4482 "List all groups with dormant articles.
4483 If the prefix LEVEL is non-nil, it should be a number that says which
4484 level to cut off listing groups.
4485 If LOWEST, don't list groups with level lower than LOWEST.
4487 This command may read the active file."
4490 (setq level (prefix-numeric-value level)))
4491 (when (or (not level) (>= level gnus-level-zombie))
4493 (funcall gnus-group-prepare-function
4494 (or level gnus-level-subscribed)
4496 (let ((marks (gnus-info-marks info)))
4497 (assq 'dormant marks)))
4500 (goto-char (point-min))
4501 (gnus-group-position-point))
4503 (defun gnus-group-listed-groups ()
4504 "Return a list of listed groups."
4506 (goto-char (point-min))
4507 (while (setq point (text-property-not-all (point) (point-max)
4510 (push (symbol-name (get-text-property point 'gnus-group)) groups)
4514 (defun gnus-group-list-plus (&optional args)
4515 "List groups plus the current selection."
4517 (let ((gnus-group-listed-groups (gnus-group-listed-groups))
4518 (gnus-group-list-mode gnus-group-list-mode) ;; Save it.
4520 (push last-command-event unread-command-events)
4521 (if (featurep 'xemacs)
4522 (push (make-event 'key-press '(key ?A)) unread-command-events)
4523 (push ?A unread-command-events))
4524 (let (gnus-pick-mode keys)
4525 (setq keys (if (featurep 'xemacs)
4526 (events-to-keys (read-key-sequence nil))
4527 (read-key-sequence nil)))
4528 (setq func (lookup-key (current-local-map) keys)))
4532 (call-interactively func))))
4534 (defun gnus-group-list-flush (&optional args)
4535 "Flush groups from the current selection."
4537 (let ((gnus-group-list-option 'flush))
4538 (gnus-group-list-plus args)))
4540 (defun gnus-group-list-limit (&optional args)
4541 "List groups limited within the current selection."
4543 (let ((gnus-group-list-option 'limit))
4544 (gnus-group-list-plus args)))
4546 (defun gnus-group-mark-article-read (group article)
4547 "Mark ARTICLE read."
4548 (let ((buffer (gnus-summary-buffer-name group))
4549 (mark gnus-read-mark)
4551 (if (get-buffer buffer)
4552 (with-current-buffer buffer
4553 (setq active gnus-newsgroup-active)
4554 (gnus-activate-group group)
4555 (when gnus-newsgroup-prepared
4556 (when (and gnus-newsgroup-auto-expire
4557 (memq mark gnus-auto-expirable-marks))
4558 (setq mark gnus-expirable-mark))
4559 (setq mark (gnus-request-update-mark
4560 group article mark))
4561 (gnus-mark-article-as-read article mark)
4562 (setq gnus-newsgroup-active (gnus-active group))
4564 (setq n (1+ (cdr active)))
4565 (while (<= n (cdr gnus-newsgroup-active))
4566 (unless (eq n article)
4567 (push n gnus-newsgroup-unselected))
4569 (setq gnus-newsgroup-unselected
4570 (nreverse gnus-newsgroup-unselected)))))
4571 (gnus-activate-group group)
4572 (gnus-group-make-articles-read group (list article))
4573 (when (gnus-group-auto-expirable-p group)
4574 (gnus-add-marked-articles
4575 group 'expire (list article))))))
4579 ;;; Group compaction. -- dvl
4582 (defun gnus-group-compact-group (group)
4583 "Compact the current group.
4584 Compaction means removing gaps between article numbers. Hence, this
4585 operation is only meaningful for back ends using one file per article
4588 Note: currently only implemented in nnml."
4589 (interactive (list (gnus-group-group-name)))
4591 (error "No group to compact"))
4592 (unless (gnus-check-backend-function 'request-compact-group group)
4593 (error "This back end does not support group compaction"))
4594 (let ((group-decoded (gnus-group-decoded-name group)))
4596 Compacting group %s... (this may take a long time)"
4599 (if (not (gnus-request-compact-group group))
4600 (gnus-error 3 "Couldn't compact group %s" group-decoded)
4601 (gnus-message 6 "Compacting group %s...done" group-decoded)
4603 ;; Invalidate the "original article" buffer which might be out of date.
4604 ;; #### NOTE: Yes, this might be a bit rude, but since compaction
4605 ;; #### will not happen very often, I think this is acceptable.
4606 (let ((original (get-buffer gnus-original-article-buffer)))
4607 (and original (gnus-kill-buffer original)))
4608 ;; Update the group line to reflect new information (art number etc).
4609 (gnus-group-update-group-line))))
4611 (provide 'gnus-group)
4613 ;;; gnus-group.el ends here