1 ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus
2 ;; Copyright (C) 1996 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
6 ;; This file is part of GNU Emacs.
8 ;; GNU Emacs is free software; you can redistribute it and/or modify
9 ;; it under the terms of the GNU General Public License as published by
10 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; GNU Emacs is distributed in the hope that it will be useful,
14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;; GNU General Public License for more details.
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to the
20 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 ;; Boston, MA 02111-1307, USA.
34 (defvar gnus-pick-mode nil
35 "Minor mode for providing a pick-and-read interface in Gnus summary buffers.")
37 (defvar gnus-pick-display-summary nil
38 "*Display summary while reading.")
40 (defvar gnus-pick-mode-hook nil
41 "Hook run in summary pick mode buffers.")
43 (defvar gnus-mark-unpicked-articles-as-read nil
44 "*If non-nil, mark all unpicked articles as read.")
46 (defvar gnus-summary-pick-line-format
47 "%-5p %U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
48 "*The format specification of the lines in pick buffers.
49 It accepts the same format specs that `gnus-summary-line-format' does.")
51 ;;; Internal variables.
53 (defvar gnus-pick-mode-map nil)
55 (unless gnus-pick-mode-map
56 (setq gnus-pick-mode-map (make-sparse-keymap))
60 "t" gnus-uu-mark-thread
61 "T" gnus-uu-unmark-thread
62 " " gnus-pick-next-page
63 "u" gnus-summary-unmark-as-processable
64 "U" gnus-summary-unmark-all-processable
66 "r" gnus-uu-mark-region
67 "R" gnus-uu-unmark-region
68 "e" gnus-uu-mark-by-regexp
69 "E" gnus-uu-mark-by-regexp
70 "b" gnus-uu-mark-buffer
71 "B" gnus-uu-unmark-buffer
73 gnus-mouse-2 gnus-pick-pick-article
74 "\r" gnus-pick-start-reading))
76 (defun gnus-pick-make-menu-bar ()
77 (unless (boundp 'gnus-pick-menu)
79 gnus-pick-menu gnus-pick-mode-map ""
82 ["Article" gnus-summary-mark-as-processable t]
83 ["Thread" gnus-uu-mark-thread t]
84 ["Region" gnus-uu-mark-region t]
85 ["Regexp" gnus-uu-mark-regexp t]
86 ["Buffer" gnus-uu-mark-buffer t])
88 ["Article" gnus-summary-unmark-as-processable t]
89 ["Thread" gnus-uu-unmark-thread t]
90 ["Region" gnus-uu-unmark-region t]
91 ["Regexp" gnus-uu-unmark-regexp t]
92 ["Buffer" gnus-uu-unmark-buffer t])
93 ["Start reading" gnus-pick-start-reading t]
94 ["Switch pick mode off" gnus-pick-mode gnus-pick-mode]))))
96 (defun gnus-pick-mode (&optional arg)
97 "Minor mode for providing a pick-and-read interface in Gnus summary buffers.
99 \\{gnus-pick-mode-map}"
101 (when (eq major-mode 'gnus-summary-mode)
102 (make-local-variable 'gnus-pick-mode)
104 (if (null arg) (not gnus-pick-mode)
105 (> (prefix-numeric-value arg) 0)))
107 ;; Make sure that we don't select any articles upon group entry.
108 (make-local-variable 'gnus-auto-select-first)
109 (setq gnus-auto-select-first nil)
110 ;; Change line format.
111 (make-local-variable 'gnus-summary-line-format)
112 (setq gnus-summary-line-format
113 gnus-summary-pick-line-format)
114 (make-local-variable 'gnus-summary-line-format-spec)
115 (setq gnus-summary-line-format nil)
116 (gnus-update-format-specifications nil 'summary)
117 (gnus-update-summary-mark-positions)
119 (when (and menu-bar-mode
120 (gnus-visual-p 'pick-menu 'menu))
121 (gnus-pick-make-menu-bar))
122 (unless (assq 'gnus-pick-mode minor-mode-alist)
123 (push '(gnus-pick-mode " Pick") minor-mode-alist))
124 (unless (assq 'gnus-pick-mode minor-mode-map-alist)
125 (push (cons 'gnus-pick-mode gnus-pick-mode-map)
126 minor-mode-map-alist))
127 (run-hooks 'gnus-pick-mode-hook))))
129 (defvar gnus-pick-line-number 1)
130 (defun gnus-pick-line-number ()
131 "Return the current line number."
133 (setq gnus-pick-line-number 1)
134 (incf gnus-pick-line-number)))
136 (defun gnus-pick-start-reading (&optional catch-up)
137 "Start reading the picked articles.
138 If given a prefix, mark all unpicked articles as read."
140 (unless gnus-newsgroup-processable
141 (error "No articles have been picked"))
142 (gnus-summary-limit-to-articles nil)
143 (when (or catch-up gnus-mark-unpicked-articles-as-read)
144 (gnus-summary-limit-mark-excluded-as-read))
145 (gnus-summary-first-unread-article)
146 (gnus-configure-windows (if gnus-pick-display-summary 'article 'pick) t))
148 (defun gnus-pick-article (&optional arg)
149 "Pick the article on the current line.
150 If ARG, pick the article on that line instead."
155 (goto-char (point-min))
156 (when (zerop (forward-line (1- (prefix-numeric-value arg))))
159 (gnus-error 2 "No such line: %s" arg)
161 (gnus-summary-mark-as-processable 1))
163 (defun gnus-mouse-pick-article (e)
167 (gnus-summary-mark-as-processable 1)))
169 (defun gnus-pick-next-page ()
170 "Go to the next page. If at the end of the buffer, start reading articles."
174 (gnus-pick-start-reading)))
180 (defvar gnus-binary-mode nil
181 "Minor mode for provind a binary group interface in Gnus summary buffers.")
183 (defvar gnus-binary-mode-hook nil
184 "Hook run in summary binary mode buffers.")
186 (defvar gnus-binary-mode-map nil)
188 (unless gnus-binary-mode-map
189 (setq gnus-binary-mode-map (make-sparse-keymap))
193 "g" gnus-binary-show-article))
195 (defun gnus-binary-make-menu-bar ()
196 (unless (boundp 'gnus-binary-menu)
198 gnus-binary-menu gnus-binary-mode-map ""
200 ["Switch binary mode off" gnus-binary-mode t]))))
202 (defun gnus-binary-mode (&optional arg)
203 "Minor mode for providing a binary group interface in Gnus summary buffers."
205 (when (eq major-mode 'gnus-summary-mode)
206 (make-local-variable 'gnus-binary-mode)
207 (setq gnus-binary-mode
208 (if (null arg) (not gnus-binary-mode)
209 (> (prefix-numeric-value arg) 0)))
210 (when gnus-binary-mode
211 ;; Make sure that we don't select any articles upon group entry.
212 (make-local-variable 'gnus-auto-select-first)
213 (setq gnus-auto-select-first nil)
214 (make-local-variable 'gnus-summary-display-article-function)
215 (setq gnus-summary-display-article-function 'gnus-binary-display-article)
217 (when (and menu-bar-mode
218 (gnus-visual-p 'binary-menu 'menu))
219 (gnus-binary-make-menu-bar))
220 (unless (assq 'gnus-binary-mode minor-mode-alist)
221 (push '(gnus-binary-mode " Binary") minor-mode-alist))
222 (unless (assq 'gnus-binary-mode minor-mode-map-alist)
223 (push (cons 'gnus-binary-mode gnus-binary-mode-map)
224 minor-mode-map-alist))
225 (run-hooks 'gnus-binary-mode-hook))))
227 (defun gnus-binary-display-article (article &optional all-header)
228 "Run ARTICLE through the binary decode functions."
229 (when (gnus-summary-goto-subject article)
230 (let ((gnus-view-pseudos 'automatic))
231 (gnus-uu-decode-uu))))
233 (defun gnus-binary-show-article (&optional arg)
234 "Bypass the binary functions and show the article."
236 (let (gnus-summary-display-article-function)
237 (gnus-summary-show-article arg)))
243 (defvar gnus-tree-line-format "%(%[%3,3n%]%)"
244 "Format of tree elements.")
246 (defvar gnus-tree-minimize-window t
247 "If non-nil, minimize the tree buffer window.
248 If a number, never let the tree buffer grow taller than that number of
251 (defvar gnus-selected-tree-face 'modeline
252 "*Face used for highlighting selected articles in the thread tree.")
254 (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\))
255 (?\{ . ?\}) (?< . ?>))
256 "Brackets used in tree nodes.")
258 (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|)
259 "Charaters used to connect parents with children.")
261 (defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z"
262 "*The format specification for the tree mode line.")
264 (defvar gnus-generate-tree-function 'gnus-generate-vertical-tree
265 "*Function for generating a thread tree.
266 Two predefined functions are available:
267 `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.")
269 (defvar gnus-tree-mode-hook nil
270 "*Hook run in tree mode buffers.")
272 ;;; Internal variables.
274 (defvar gnus-tree-line-format-alist
275 `((?n gnus-tmp-name ?s)
276 (?f gnus-tmp-from ?s)
277 (?N gnus-tmp-number ?d)
278 (?\[ gnus-tmp-open-bracket ?c)
279 (?\] gnus-tmp-close-bracket ?c)
280 (?s gnus-tmp-subject ?s)))
282 (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist)
284 (defvar gnus-tree-mode-line-format-spec nil)
285 (defvar gnus-tree-line-format-spec nil)
287 (defvar gnus-tree-node-length nil)
288 (defvar gnus-selected-tree-overlay nil)
290 (defvar gnus-tree-displayed-thread nil)
292 (defvar gnus-tree-mode-map nil)
293 (put 'gnus-tree-mode 'mode-class 'special)
295 (unless gnus-tree-mode-map
296 (setq gnus-tree-mode-map (make-keymap))
297 (suppress-keymap gnus-tree-mode-map)
300 "\r" gnus-tree-select-article
301 gnus-mouse-2 gnus-tree-pick-article
302 "\C-?" gnus-tree-read-summary-keys
304 "\C-c\C-i" gnus-info-find-node)
306 (substitute-key-definition
307 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map))
309 (defun gnus-tree-make-menu-bar ()
310 (unless (boundp 'gnus-tree-menu)
312 gnus-tree-menu gnus-tree-mode-map ""
314 ["Select article" gnus-tree-select-article t]))))
316 (defun gnus-tree-mode ()
317 "Major mode for displaying thread trees."
319 (setq gnus-tree-mode-line-format-spec
320 (gnus-parse-format gnus-tree-mode-line-format
321 gnus-summary-mode-line-format-alist))
322 (setq gnus-tree-line-format-spec
323 (gnus-parse-format gnus-tree-line-format
324 gnus-tree-line-format-alist t))
325 (when (and menu-bar-mode
326 (gnus-visual-p 'tree-menu 'menu))
327 (gnus-tree-make-menu-bar))
328 (kill-all-local-variables)
329 (gnus-simplify-mode-line)
330 (setq mode-name "Tree")
331 (setq major-mode 'gnus-tree-mode)
332 (use-local-map gnus-tree-mode-map)
333 (buffer-disable-undo (current-buffer))
334 (setq buffer-read-only t)
335 (setq truncate-lines t)
337 (gnus-set-work-buffer)
338 (gnus-tree-node-insert (make-mail-header "") nil)
339 (setq gnus-tree-node-length (1- (point))))
340 (run-hooks 'gnus-tree-mode-hook))
342 (defun gnus-tree-read-summary-keys (&optional arg)
343 "Read a summary buffer key sequence and execute it."
345 (let ((buf (current-buffer))
347 (gnus-article-read-summary-keys arg nil t)
348 (when (setq win (get-buffer-window buf))
350 (when gnus-selected-tree-overlay
351 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
352 (gnus-tree-minimize))))
354 (defun gnus-tree-select-article (article)
355 "Select the article under point, if any."
356 (interactive (list (gnus-tree-article-number)))
357 (let ((buf (current-buffer)))
360 (set-buffer gnus-summary-buffer)
361 (gnus-summary-goto-article article))
362 (select-window (get-buffer-window buf)))))
364 (defun gnus-tree-pick-article (e)
365 "Select the article under the mouse pointer."
368 (gnus-tree-select-article (gnus-tree-article-number)))
370 (defun gnus-tree-article-number ()
371 (get-text-property (point) 'gnus-number))
373 (defun gnus-tree-article-region (article)
374 "Return a cons with BEG and END of the article region."
375 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
377 (cons pos (next-single-property-change pos 'gnus-number)))))
379 (defun gnus-tree-goto-article (article)
380 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
384 (defun gnus-tree-recenter ()
385 "Center point in the tree window."
386 (let ((selected (selected-window))
387 (tree-window (get-buffer-window gnus-tree-buffer t)))
389 (select-window tree-window)
390 (when gnus-selected-tree-overlay
391 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
392 (let* ((top (cond ((< (window-height) 4) 0)
393 ((< (window-height) 7) 1)
395 (height (1- (window-height)))
396 (bottom (save-excursion (goto-char (point-max))
397 (forward-line (- height))
399 ;; Set the window start to either `bottom', which is the biggest
400 ;; possible valid number, or the second line from the top,
401 ;; whichever is the least.
403 tree-window (min bottom (save-excursion
404 (forward-line (- top)) (point)))))
405 (select-window selected))))
407 (defun gnus-get-tree-buffer ()
408 "Return the tree buffer properly initialized."
410 (set-buffer (get-buffer-create gnus-tree-buffer))
411 (unless (eq major-mode 'gnus-tree-mode)
412 (gnus-add-current-to-buffer-list)
416 (defun gnus-tree-minimize ()
417 (when (and gnus-tree-minimize-window
418 (not (one-window-p)))
421 (walk-windows (lambda (window) (incf windows)))
424 (* window-min-height (1- windows))
426 (let* ((window-min-height 2)
427 (height (count-lines (point-min) (point-max)))
428 (min (max (1- window-min-height) height))
429 (tot (if (numberp gnus-tree-minimize-window)
430 (min gnus-tree-minimize-window min)
432 (win (get-buffer-window (current-buffer)))
433 (wh (and win (1- (window-height win)))))
434 (setq tot (min tot tot-win-height))
437 (let ((selected (selected-window)))
439 (enlarge-window (- tot wh))
440 (select-window selected)))))))
442 ;;; Generating the tree.
444 (defun gnus-tree-node-insert (header sparse &optional adopted)
445 (let* ((dummy (stringp header))
446 (header (if (vectorp header) header
448 (setq header (make-mail-header "*****"))
449 (mail-header-set-number header 0)
450 (mail-header-set-lines header 0)
451 (mail-header-set-chars header 0)
453 (gnus-tmp-from (mail-header-from header))
454 (gnus-tmp-subject (mail-header-subject header))
455 (gnus-tmp-number (mail-header-number header))
458 ((string-match "(.+)" gnus-tmp-from)
459 (substring gnus-tmp-from
460 (1+ (match-beginning 0)) (1- (match-end 0))))
461 ((string-match "<[^>]+> *$" gnus-tmp-from)
462 (let ((beg (match-beginning 0)))
463 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
464 (substring gnus-tmp-from (1+ (match-beginning 0))
466 (substring gnus-tmp-from 0 beg))))
467 ((memq gnus-tmp-number sparse)
470 (gnus-tmp-open-bracket
471 (cond ((memq gnus-tmp-number sparse)
472 (caadr gnus-tree-brackets))
473 (dummy (caaddr gnus-tree-brackets))
474 (adopted (car (nth 3 gnus-tree-brackets)))
475 (t (caar gnus-tree-brackets))))
476 (gnus-tmp-close-bracket
477 (cond ((memq gnus-tmp-number sparse)
478 (cdadr gnus-tree-brackets))
479 (adopted (cdr (nth 3 gnus-tree-brackets)))
481 (cdaddr gnus-tree-brackets))
482 (t (cdar gnus-tree-brackets))))
483 (buffer-read-only nil)
485 (gnus-add-text-properties
487 (setq end (progn (eval gnus-tree-line-format-spec) (point)))
488 (list 'gnus-number gnus-tmp-number))
489 (when (or t (gnus-visual-p 'tree-highlight 'highlight))
490 (gnus-tree-highlight-node gnus-tmp-number beg end))))
492 (defun gnus-tree-highlight-node (article beg end)
493 "Highlight current line according to `gnus-summary-highlight'."
494 (let ((list gnus-summary-highlight)
497 (set-buffer gnus-summary-buffer)
498 (let* ((score (or (cdr (assq article gnus-newsgroup-scored))
499 gnus-summary-default-score 0))
500 (default gnus-summary-default-score)
501 (mark (or (gnus-summary-article-mark article) gnus-unread-mark)))
502 ;; Eval the cars of the lists until we find a match.
504 (not (eval (caar list))))
505 (setq list (cdr list)))))
506 (unless (eq (setq face (cdar list)) (get-text-property beg 'face))
507 (gnus-put-text-property
509 (if (boundp face) (symbol-value face) face)))))
511 (defun gnus-tree-indent (level)
512 (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? )))
514 (defvar gnus-tmp-limit)
515 (defvar gnus-tmp-sparse)
516 (defvar gnus-tmp-indent)
518 (defun gnus-generate-tree (thread)
519 "Generate a thread tree for THREAD."
521 (set-buffer (gnus-get-tree-buffer))
522 (let ((buffer-read-only nil)
525 (funcall gnus-generate-tree-function thread 0)
526 (gnus-set-mode-line 'tree)
527 (goto-char (point-min))
530 (let ((selected (selected-window)))
531 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
532 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
533 (gnus-horizontal-recenter)
534 (select-window selected))))))
536 (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted)
537 "Generate a horizontal tree."
538 (let* ((dummy (stringp (car thread)))
540 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
543 ;; We don't want this article.
544 (setq thread (cdr thread))
546 ;; Not the first article on the line, so we insert a "-".
547 (insert (car gnus-tree-parent-child-edges))
548 ;; If the level isn't zero, then we insert some indentation.
549 (unless (zerop level)
550 (gnus-tree-indent level)
551 (insert (cadr gnus-tree-parent-child-edges))
552 (setq col (- (setq beg (point)) (gnus-point-at-bol) 1))
553 ;; Draw "|" lines upwards.
557 (= (following-char) ? ))
559 (insert (caddr gnus-tree-parent-child-edges)))
562 ;; Insert the article node.
563 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted))
565 ;; End of the thread, so we go to the next line.
568 ;; Recurse downwards in all children of this article.
570 (gnus-generate-horizontal-tree
571 (pop thread) (if do (1+ level) level)
572 (or dummyp dummy) dummy)))))
574 (defsubst gnus-tree-indent-vertical ()
575 (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent)
576 (- (point) (gnus-point-at-bol)))))
578 (insert (make-string len ? )))))
580 (defsubst gnus-tree-forward-line (n)
581 (while (>= (decf n) 0)
582 (unless (zerop (forward-line 1))
587 (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted)
588 "Generate a vertical tree."
589 (let* ((dummy (stringp (car thread)))
591 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
594 ;; We don't want this article.
595 (setq thread (cdr thread))
596 (if (not (save-excursion (beginning-of-line) (bobp)))
597 ;; Not the first article on the line, so we insert a "-".
599 (gnus-tree-indent-vertical)
600 (insert (make-string (/ gnus-tree-node-length 2) ? ))
601 (insert (caddr gnus-tree-parent-child-edges))
602 (gnus-tree-forward-line 1))
603 ;; If the level isn't zero, then we insert some indentation.
604 (unless (zerop gnus-tmp-indent)
605 (gnus-tree-forward-line (1- (* 2 level)))
606 (gnus-tree-indent-vertical)
608 (insert (cadr gnus-tree-parent-child-edges))
610 ;; Draw "-" lines leftwards.
613 (= (following-char) ? ))
615 (insert (car gnus-tree-parent-child-edges)))
617 (gnus-tree-forward-line 1)))
619 ;; Insert the article node.
620 (gnus-tree-indent-vertical)
621 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)
622 (gnus-tree-forward-line 1))
624 ;; End of the thread, so we go to the next line.
626 (goto-char (point-min))
628 (incf gnus-tmp-indent))
629 ;; Recurse downwards in all children of this article.
631 (gnus-generate-vertical-tree
632 (pop thread) (if do (1+ level) level)
633 (or dummyp dummy) dummy)))))
635 ;;; Interface functions.
637 (defun gnus-possibly-generate-tree (article &optional force)
638 "Generate the thread tree for ARTICLE if it isn't displayed already."
639 (when (save-excursion
640 (set-buffer gnus-summary-buffer)
643 (vectorp (gnus-summary-article-header article))))
645 (let ((top (save-excursion
646 (set-buffer gnus-summary-buffer)
650 (gnus-summary-article-header article)) t))))
651 (gnus-tmp-limit gnus-newsgroup-limit)
652 (gnus-tmp-sparse gnus-newsgroup-sparse))
654 (not (eq top gnus-tree-displayed-thread)))
655 (gnus-generate-tree top)
656 (setq gnus-tree-displayed-thread top))))))
658 (defun gnus-tree-open (group)
659 (gnus-get-tree-buffer))
661 (defun gnus-tree-close (group)
662 ;(gnus-kill-buffer gnus-tree-buffer)
665 (defun gnus-highlight-selected-tree (article)
666 "Highlight the selected article in the tree."
667 (let ((buf (current-buffer))
669 (set-buffer gnus-tree-buffer)
670 (when (setq region (gnus-tree-article-region article))
671 (when (or (not gnus-selected-tree-overlay)
672 (gnus-extent-detached-p gnus-selected-tree-overlay))
673 ;; Create a new overlay.
675 (setq gnus-selected-tree-overlay (gnus-make-overlay 1 2))
676 'face gnus-selected-tree-face))
677 ;; Move the overlay to the article.
679 gnus-selected-tree-overlay (goto-char (car region)) (cdr region))
682 (let ((selected (selected-window)))
683 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
684 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
685 (gnus-horizontal-recenter)
686 (select-window selected))))
687 ;; If we remove this save-excursion, it updates the wrong mode lines?!?
689 (set-buffer gnus-tree-buffer)
690 (gnus-set-mode-line 'tree))
693 (defun gnus-tree-highlight-article (article face)
695 (set-buffer (gnus-get-tree-buffer))
697 (when (setq region (gnus-tree-article-region article))
698 (gnus-put-text-property (car region) (cdr region) 'face face)
700 (get-buffer-window (current-buffer) t) (cdr region))))))
706 (defvar gnus-carpal-group-buffer-buttons
707 '(("next" . gnus-group-next-unread-group)
708 ("prev" . gnus-group-prev-unread-group)
709 ("read" . gnus-group-read-group)
710 ("select" . gnus-group-select-group)
711 ("catch-up" . gnus-group-catchup-current)
712 ("new-news" . gnus-group-get-new-news-this-group)
713 ("toggle-sub" . gnus-group-unsubscribe-current-group)
714 ("subscribe" . gnus-group-unsubscribe-group)
715 ("kill" . gnus-group-kill-group)
716 ("yank" . gnus-group-yank-group)
717 ("describe" . gnus-group-describe-group)
719 ("subscribed" . gnus-group-list-groups)
720 ("all" . gnus-group-list-all-groups)
721 ("killed" . gnus-group-list-killed)
722 ("zombies" . gnus-group-list-zombies)
723 ("matching" . gnus-group-list-matching)
724 ("post" . gnus-group-post-news)
725 ("mail" . gnus-group-mail)
726 ("rescan" . gnus-group-get-new-news)
727 ("browse-foreign" . gnus-group-browse-foreign)
728 ("exit" . gnus-group-exit)))
730 (defvar gnus-carpal-summary-buffer-buttons
732 ("read" . gnus-summary-mark-as-read-forward)
733 ("tick" . gnus-summary-tick-article-forward)
734 ("clear" . gnus-summary-clear-mark-forward)
735 ("expirable" . gnus-summary-mark-as-expirable)
737 ("scroll" . gnus-summary-next-page)
738 ("next-unread" . gnus-summary-next-unread-article)
739 ("prev-unread" . gnus-summary-prev-unread-article)
740 ("first" . gnus-summary-first-unread-article)
741 ("best" . gnus-summary-best-unread-article)
743 ("headers" . gnus-summary-toggle-header)
744 ("uudecode" . gnus-uu-decode-uu)
745 ("enter-digest" . gnus-summary-enter-digest-group)
746 ("fetch-parent" . gnus-summary-refer-parent-article)
748 ("move" . gnus-summary-move-article)
749 ("copy" . gnus-summary-copy-article)
750 ("respool" . gnus-summary-respool-article)
752 ("lower" . gnus-summary-lower-thread)
753 ("kill" . gnus-summary-kill-thread)
755 ("post" . gnus-summary-post-news)
756 ("mail" . gnus-summary-mail)
757 ("followup" . gnus-summary-followup-with-original)
758 ("reply" . gnus-summary-reply-with-original)
759 ("cancel" . gnus-summary-cancel-article)
761 ("exit" . gnus-summary-exit)
762 ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
764 (defvar gnus-carpal-server-buffer-buttons
765 '(("add" . gnus-server-add-server)
766 ("browse" . gnus-server-browse-server)
767 ("list" . gnus-server-list-servers)
768 ("kill" . gnus-server-kill-server)
769 ("yank" . gnus-server-yank-server)
770 ("copy" . gnus-server-copy-server)
771 ("exit" . gnus-server-exit)))
773 (defvar gnus-carpal-browse-buffer-buttons
774 '(("subscribe" . gnus-browse-unsubscribe-current-group)
775 ("exit" . gnus-browse-exit)))
777 (defvar gnus-carpal-group-buffer "*Carpal Group*")
778 (defvar gnus-carpal-summary-buffer "*Carpal Summary*")
779 (defvar gnus-carpal-server-buffer "*Carpal Server*")
780 (defvar gnus-carpal-browse-buffer "*Carpal Browse*")
782 (defvar gnus-carpal-attached-buffer nil)
784 (defvar gnus-carpal-mode-hook nil
785 "*Hook run in carpal mode buffers.")
787 (defvar gnus-carpal-button-face 'bold
788 "*Face used on carpal buttons.")
790 (defvar gnus-carpal-header-face 'bold-italic
791 "*Face used on carpal buffer headers.")
793 (defvar gnus-carpal-mode-map nil)
794 (put 'gnus-carpal-mode 'mode-class 'special)
796 (if gnus-carpal-mode-map
798 (setq gnus-carpal-mode-map (make-keymap))
799 (suppress-keymap gnus-carpal-mode-map)
800 (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
801 (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
802 (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
804 (defun gnus-carpal-mode ()
805 "Major mode for clicking buttons.
807 All normal editing commands are switched off.
808 \\<gnus-carpal-mode-map>
809 The following commands are available:
811 \\{gnus-carpal-mode-map}"
813 (kill-all-local-variables)
814 (setq mode-line-modified "-- ")
815 (setq major-mode 'gnus-carpal-mode)
816 (setq mode-name "Gnus Carpal")
817 (setq mode-line-process nil)
818 (use-local-map gnus-carpal-mode-map)
819 (buffer-disable-undo (current-buffer))
820 (setq buffer-read-only t)
821 (make-local-variable 'gnus-carpal-attached-buffer)
822 (run-hooks 'gnus-carpal-mode-hook))
824 (defun gnus-carpal-setup-buffer (type)
825 (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
826 (if (get-buffer buffer)
829 (set-buffer (get-buffer-create buffer))
831 (setq gnus-carpal-attached-buffer
832 (intern (format "gnus-%s-buffer" type)))
833 (gnus-add-current-to-buffer-list)
834 (let ((buttons (symbol-value
835 (intern (format "gnus-carpal-%s-buffer-buttons"
837 (buffer-read-only nil)
840 (setq button (car buttons)
841 buttons (cdr buttons))
843 (gnus-set-text-properties
845 (prog2 (insert button) (point) (insert " "))
846 (list 'face gnus-carpal-header-face))
847 (gnus-set-text-properties
849 (prog2 (insert (car button)) (point) (insert " "))
850 (list 'gnus-callback (cdr button)
851 'face gnus-carpal-button-face
852 gnus-mouse-face-prop 'highlight))))
853 (let ((fill-column (- (window-width) 2)))
854 (fill-region (point-min) (point-max)))
855 (set-window-point (get-buffer-window (current-buffer))
858 (defun gnus-carpal-select ()
859 "Select the button under point."
861 (let ((func (get-text-property (point) 'gnus-callback)))
864 (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
865 (call-interactively func))))
867 (defun gnus-carpal-mouse-select (event)
868 "Select the button under the mouse pointer."
870 (mouse-set-point event)
871 (gnus-carpal-select))
873 ;;; Allow redefinition of functions.
878 ;;; gnus-salt.el ends here