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-mouse-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 (setq gnus-summary-line-format gnus-summary-pick-line-format)
112 (setq gnus-summary-line-format-spec nil)
113 (gnus-update-format-specifications nil 'summary)
114 (gnus-update-summary-mark-positions)
116 (when (and menu-bar-mode
117 (gnus-visual-p 'pick-menu 'menu))
118 (gnus-pick-make-menu-bar))
119 (unless (assq 'gnus-pick-mode minor-mode-alist)
120 (push '(gnus-pick-mode " Pick") minor-mode-alist))
121 (unless (assq 'gnus-pick-mode minor-mode-map-alist)
122 (push (cons 'gnus-pick-mode gnus-pick-mode-map)
123 minor-mode-map-alist))
124 (run-hooks 'gnus-pick-mode-hook))))
126 (defvar gnus-pick-line-number 1)
127 (defun gnus-pick-line-number ()
128 "Return the current line number."
130 (setq gnus-pick-line-number 1)
131 (incf gnus-pick-line-number)))
133 (defun gnus-pick-start-reading (&optional catch-up)
134 "Start reading the picked articles.
135 If given a prefix, mark all unpicked articles as read."
137 (unless gnus-newsgroup-processable
138 (error "No articles have been picked"))
139 (gnus-summary-limit-to-articles nil)
140 (when (or catch-up gnus-mark-unpicked-articles-as-read)
141 (gnus-summary-limit-mark-excluded-as-read))
142 (gnus-summary-first-unread-article)
143 (gnus-configure-windows (if gnus-pick-display-summary 'article 'pick) t))
145 (defun gnus-pick-article (&optional arg)
146 "Pick the article on the current line.
147 If ARG, pick the article on that line instead."
152 (goto-char (point-min))
153 (when (zerop (forward-line (1- (prefix-numeric-value arg))))
156 (gnus-error 2 "No such line: %s" arg)
158 (gnus-summary-mark-as-processable 1))
160 (defun gnus-mouse-pick-article (e)
164 (gnus-summary-mark-as-processable 1)))
166 (defun gnus-pick-next-page ()
167 "Go to the next page. If at the end of the buffer, start reading articles."
171 (gnus-pick-start-reading)))
177 (defvar gnus-binary-mode nil
178 "Minor mode for provind a binary group interface in Gnus summary buffers.")
180 (defvar gnus-binary-mode-hook nil
181 "Hook run in summary binary mode buffers.")
183 (defvar gnus-binary-mode-map nil)
185 (unless gnus-binary-mode-map
186 (setq gnus-binary-mode-map (make-sparse-keymap))
190 "g" gnus-binary-show-article))
192 (defun gnus-binary-make-menu-bar ()
193 (unless (boundp 'gnus-binary-menu)
195 gnus-binary-menu gnus-binary-mode-map ""
197 ["Switch binary mode off" gnus-binary-mode t]))))
199 (defun gnus-binary-mode (&optional arg)
200 "Minor mode for providing a binary group interface in Gnus summary buffers."
202 (when (eq major-mode 'gnus-summary-mode)
203 (make-local-variable 'gnus-binary-mode)
204 (setq gnus-binary-mode
205 (if (null arg) (not gnus-binary-mode)
206 (> (prefix-numeric-value arg) 0)))
207 (when gnus-binary-mode
208 ;; Make sure that we don't select any articles upon group entry.
209 (make-local-variable 'gnus-auto-select-first)
210 (setq gnus-auto-select-first nil)
211 (make-local-variable 'gnus-summary-display-article-function)
212 (setq gnus-summary-display-article-function 'gnus-binary-display-article)
214 (when (and menu-bar-mode
215 (gnus-visual-p 'binary-menu 'menu))
216 (gnus-binary-make-menu-bar))
217 (unless (assq 'gnus-binary-mode minor-mode-alist)
218 (push '(gnus-binary-mode " Binary") minor-mode-alist))
219 (unless (assq 'gnus-binary-mode minor-mode-map-alist)
220 (push (cons 'gnus-binary-mode gnus-binary-mode-map)
221 minor-mode-map-alist))
222 (run-hooks 'gnus-binary-mode-hook))))
224 (defun gnus-binary-display-article (article &optional all-header)
225 "Run ARTICLE through the binary decode functions."
226 (when (gnus-summary-goto-subject article)
227 (let ((gnus-view-pseudos 'automatic))
228 (gnus-uu-decode-uu))))
230 (defun gnus-binary-show-article (&optional arg)
231 "Bypass the binary functions and show the article."
233 (let (gnus-summary-display-article-function)
234 (gnus-summary-show-article arg)))
240 (defvar gnus-tree-line-format "%(%[%3,3n%]%)"
241 "Format of tree elements.")
243 (defvar gnus-tree-minimize-window t
244 "If non-nil, minimize the tree buffer window.
245 If a number, never let the tree buffer grow taller than that number of
248 (defvar gnus-selected-tree-face 'modeline
249 "*Face used for highlighting selected articles in the thread tree.")
251 (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\))
252 (?\{ . ?\}) (?< . ?>))
253 "Brackets used in tree nodes.")
255 (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|)
256 "Charaters used to connect parents with children.")
258 (defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z"
259 "*The format specification for the tree mode line.")
261 (defvar gnus-generate-tree-function 'gnus-generate-vertical-tree
262 "*Function for generating a thread tree.
263 Two predefined functions are available:
264 `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.")
266 (defvar gnus-tree-mode-hook nil
267 "*Hook run in tree mode buffers.")
269 ;;; Internal variables.
271 (defvar gnus-tree-line-format-alist
272 `((?n gnus-tmp-name ?s)
273 (?f gnus-tmp-from ?s)
274 (?N gnus-tmp-number ?d)
275 (?\[ gnus-tmp-open-bracket ?c)
276 (?\] gnus-tmp-close-bracket ?c)
277 (?s gnus-tmp-subject ?s)))
279 (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist)
281 (defvar gnus-tree-mode-line-format-spec nil)
282 (defvar gnus-tree-line-format-spec nil)
284 (defvar gnus-tree-node-length nil)
285 (defvar gnus-selected-tree-overlay nil)
287 (defvar gnus-tree-displayed-thread nil)
289 (defvar gnus-tree-mode-map nil)
290 (put 'gnus-tree-mode 'mode-class 'special)
292 (unless gnus-tree-mode-map
293 (setq gnus-tree-mode-map (make-keymap))
294 (suppress-keymap gnus-tree-mode-map)
297 "\r" gnus-tree-select-article
298 gnus-mouse-2 gnus-tree-pick-article
299 "\C-?" gnus-tree-read-summary-keys
301 "\C-c\C-i" gnus-info-find-node)
303 (substitute-key-definition
304 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map))
306 (defun gnus-tree-make-menu-bar ()
307 (unless (boundp 'gnus-tree-menu)
309 gnus-tree-menu gnus-tree-mode-map ""
311 ["Select article" gnus-tree-select-article t]))))
313 (defun gnus-tree-mode ()
314 "Major mode for displaying thread trees."
316 (setq gnus-tree-mode-line-format-spec
317 (gnus-parse-format gnus-tree-mode-line-format
318 gnus-summary-mode-line-format-alist))
319 (setq gnus-tree-line-format-spec
320 (gnus-parse-format gnus-tree-line-format
321 gnus-tree-line-format-alist t))
322 (when (and menu-bar-mode
323 (gnus-visual-p 'tree-menu 'menu))
324 (gnus-tree-make-menu-bar))
325 (kill-all-local-variables)
326 (gnus-simplify-mode-line)
327 (setq mode-name "Tree")
328 (setq major-mode 'gnus-tree-mode)
329 (use-local-map gnus-tree-mode-map)
330 (buffer-disable-undo (current-buffer))
331 (setq buffer-read-only t)
332 (setq truncate-lines t)
334 (gnus-set-work-buffer)
335 (gnus-tree-node-insert (make-mail-header "") nil)
336 (setq gnus-tree-node-length (1- (point))))
337 (run-hooks 'gnus-tree-mode-hook))
339 (defun gnus-tree-read-summary-keys (&optional arg)
340 "Read a summary buffer key sequence and execute it."
342 (let ((buf (current-buffer))
344 (gnus-article-read-summary-keys arg nil t)
345 (when (setq win (get-buffer-window buf))
347 (when gnus-selected-tree-overlay
348 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
349 (gnus-tree-minimize))))
351 (defun gnus-tree-select-article (article)
352 "Select the article under point, if any."
353 (interactive (list (gnus-tree-article-number)))
354 (let ((buf (current-buffer)))
357 (set-buffer gnus-summary-buffer)
358 (gnus-summary-goto-article article))
359 (select-window (get-buffer-window buf)))))
361 (defun gnus-tree-pick-article (e)
362 "Select the article under the mouse pointer."
365 (gnus-tree-select-article (gnus-tree-article-number)))
367 (defun gnus-tree-article-number ()
368 (get-text-property (point) 'gnus-number))
370 (defun gnus-tree-article-region (article)
371 "Return a cons with BEG and END of the article region."
372 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
374 (cons pos (next-single-property-change pos 'gnus-number)))))
376 (defun gnus-tree-goto-article (article)
377 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
381 (defun gnus-tree-recenter ()
382 "Center point in the tree window."
383 (let ((selected (selected-window))
384 (tree-window (get-buffer-window gnus-tree-buffer t)))
386 (select-window tree-window)
387 (when gnus-selected-tree-overlay
388 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
389 (let* ((top (cond ((< (window-height) 4) 0)
390 ((< (window-height) 7) 1)
392 (height (1- (window-height)))
393 (bottom (save-excursion (goto-char (point-max))
394 (forward-line (- height))
396 ;; Set the window start to either `bottom', which is the biggest
397 ;; possible valid number, or the second line from the top,
398 ;; whichever is the least.
400 tree-window (min bottom (save-excursion
401 (forward-line (- top)) (point)))))
402 (select-window selected))))
404 (defun gnus-get-tree-buffer ()
405 "Return the tree buffer properly initialized."
407 (set-buffer (get-buffer-create gnus-tree-buffer))
408 (unless (eq major-mode 'gnus-tree-mode)
409 (gnus-add-current-to-buffer-list)
413 (defun gnus-tree-minimize ()
414 (when (and gnus-tree-minimize-window
415 (not (one-window-p)))
418 (walk-windows (lambda (window) (incf windows)))
421 (* window-min-height (1- windows))
423 (let* ((window-min-height 2)
424 (height (count-lines (point-min) (point-max)))
425 (min (max (1- window-min-height) height))
426 (tot (if (numberp gnus-tree-minimize-window)
427 (min gnus-tree-minimize-window min)
429 (win (get-buffer-window (current-buffer)))
430 (wh (and win (1- (window-height win)))))
431 (setq tot (min tot tot-win-height))
434 (let ((selected (selected-window)))
436 (enlarge-window (- tot wh))
437 (select-window selected)))))))
439 ;;; Generating the tree.
441 (defun gnus-tree-node-insert (header sparse &optional adopted)
442 (let* ((dummy (stringp header))
443 (header (if (vectorp header) header
445 (setq header (make-mail-header "*****"))
446 (mail-header-set-number header 0)
447 (mail-header-set-lines header 0)
448 (mail-header-set-chars header 0)
450 (gnus-tmp-from (mail-header-from header))
451 (gnus-tmp-subject (mail-header-subject header))
452 (gnus-tmp-number (mail-header-number header))
455 ((string-match "(.+)" gnus-tmp-from)
456 (substring gnus-tmp-from
457 (1+ (match-beginning 0)) (1- (match-end 0))))
458 ((string-match "<[^>]+> *$" gnus-tmp-from)
459 (let ((beg (match-beginning 0)))
460 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
461 (substring gnus-tmp-from (1+ (match-beginning 0))
463 (substring gnus-tmp-from 0 beg))))
464 ((memq gnus-tmp-number sparse)
467 (gnus-tmp-open-bracket
468 (cond ((memq gnus-tmp-number sparse)
469 (caadr gnus-tree-brackets))
470 (dummy (caaddr gnus-tree-brackets))
471 (adopted (car (nth 3 gnus-tree-brackets)))
472 (t (caar gnus-tree-brackets))))
473 (gnus-tmp-close-bracket
474 (cond ((memq gnus-tmp-number sparse)
475 (cdadr gnus-tree-brackets))
476 (adopted (cdr (nth 3 gnus-tree-brackets)))
478 (cdaddr gnus-tree-brackets))
479 (t (cdar gnus-tree-brackets))))
480 (buffer-read-only nil)
482 (gnus-add-text-properties
484 (setq end (progn (eval gnus-tree-line-format-spec) (point)))
485 (list 'gnus-number gnus-tmp-number))
486 (when (or t (gnus-visual-p 'tree-highlight 'highlight))
487 (gnus-tree-highlight-node gnus-tmp-number beg end))))
489 (defun gnus-tree-highlight-node (article beg end)
490 "Highlight current line according to `gnus-summary-highlight'."
491 (let ((list gnus-summary-highlight)
494 (set-buffer gnus-summary-buffer)
495 (let* ((score (or (cdr (assq article gnus-newsgroup-scored))
496 gnus-summary-default-score 0))
497 (default gnus-summary-default-score)
498 (mark (or (gnus-summary-article-mark article) gnus-unread-mark)))
499 ;; Eval the cars of the lists until we find a match.
501 (not (eval (caar list))))
502 (setq list (cdr list)))))
503 (unless (eq (setq face (cdar list)) (get-text-property beg 'face))
504 (gnus-put-text-property
506 (if (boundp face) (symbol-value face) face)))))
508 (defun gnus-tree-indent (level)
509 (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? )))
511 (defvar gnus-tmp-limit)
512 (defvar gnus-tmp-sparse)
513 (defvar gnus-tmp-indent)
515 (defun gnus-generate-tree (thread)
516 "Generate a thread tree for THREAD."
518 (set-buffer (gnus-get-tree-buffer))
519 (let ((buffer-read-only nil)
522 (funcall gnus-generate-tree-function thread 0)
523 (gnus-set-mode-line 'tree)
524 (goto-char (point-min))
527 (let ((selected (selected-window)))
528 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
529 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
530 (gnus-horizontal-recenter)
531 (select-window selected))))))
533 (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted)
534 "Generate a horizontal tree."
535 (let* ((dummy (stringp (car thread)))
537 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
540 ;; We don't want this article.
541 (setq thread (cdr thread))
543 ;; Not the first article on the line, so we insert a "-".
544 (insert (car gnus-tree-parent-child-edges))
545 ;; If the level isn't zero, then we insert some indentation.
546 (unless (zerop level)
547 (gnus-tree-indent level)
548 (insert (cadr gnus-tree-parent-child-edges))
549 (setq col (- (setq beg (point)) (gnus-point-at-bol) 1))
550 ;; Draw "|" lines upwards.
554 (= (following-char) ? ))
556 (insert (caddr gnus-tree-parent-child-edges)))
559 ;; Insert the article node.
560 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted))
562 ;; End of the thread, so we go to the next line.
565 ;; Recurse downwards in all children of this article.
567 (gnus-generate-horizontal-tree
568 (pop thread) (if do (1+ level) level)
569 (or dummyp dummy) dummy)))))
571 (defsubst gnus-tree-indent-vertical ()
572 (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent)
573 (- (point) (gnus-point-at-bol)))))
575 (insert (make-string len ? )))))
577 (defsubst gnus-tree-forward-line (n)
578 (while (>= (decf n) 0)
579 (unless (zerop (forward-line 1))
584 (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted)
585 "Generate a vertical tree."
586 (let* ((dummy (stringp (car thread)))
588 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
591 ;; We don't want this article.
592 (setq thread (cdr thread))
593 (if (not (save-excursion (beginning-of-line) (bobp)))
594 ;; Not the first article on the line, so we insert a "-".
596 (gnus-tree-indent-vertical)
597 (insert (make-string (/ gnus-tree-node-length 2) ? ))
598 (insert (caddr gnus-tree-parent-child-edges))
599 (gnus-tree-forward-line 1))
600 ;; If the level isn't zero, then we insert some indentation.
601 (unless (zerop gnus-tmp-indent)
602 (gnus-tree-forward-line (1- (* 2 level)))
603 (gnus-tree-indent-vertical)
605 (insert (cadr gnus-tree-parent-child-edges))
607 ;; Draw "-" lines leftwards.
610 (= (following-char) ? ))
612 (insert (car gnus-tree-parent-child-edges)))
614 (gnus-tree-forward-line 1)))
616 ;; Insert the article node.
617 (gnus-tree-indent-vertical)
618 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)
619 (gnus-tree-forward-line 1))
621 ;; End of the thread, so we go to the next line.
623 (goto-char (point-min))
625 (incf gnus-tmp-indent))
626 ;; Recurse downwards in all children of this article.
628 (gnus-generate-vertical-tree
629 (pop thread) (if do (1+ level) level)
630 (or dummyp dummy) dummy)))))
632 ;;; Interface functions.
634 (defun gnus-possibly-generate-tree (article &optional force)
635 "Generate the thread tree for ARTICLE if it isn't displayed already."
636 (when (save-excursion
637 (set-buffer gnus-summary-buffer)
640 (vectorp (gnus-summary-article-header article))))
642 (let ((top (save-excursion
643 (set-buffer gnus-summary-buffer)
647 (gnus-summary-article-header article)) t))))
648 (gnus-tmp-limit gnus-newsgroup-limit)
649 (gnus-tmp-sparse gnus-newsgroup-sparse))
651 (not (eq top gnus-tree-displayed-thread)))
652 (gnus-generate-tree top)
653 (setq gnus-tree-displayed-thread top))))))
655 (defun gnus-tree-open (group)
656 (gnus-get-tree-buffer))
658 (defun gnus-tree-close (group)
659 ;(gnus-kill-buffer gnus-tree-buffer)
662 (defun gnus-highlight-selected-tree (article)
663 "Highlight the selected article in the tree."
664 (let ((buf (current-buffer))
666 (set-buffer gnus-tree-buffer)
667 (when (setq region (gnus-tree-article-region article))
668 (when (or (not gnus-selected-tree-overlay)
669 (gnus-extent-detached-p gnus-selected-tree-overlay))
670 ;; Create a new overlay.
672 (setq gnus-selected-tree-overlay (gnus-make-overlay 1 2))
673 'face gnus-selected-tree-face))
674 ;; Move the overlay to the article.
676 gnus-selected-tree-overlay (goto-char (car region)) (cdr region))
679 (let ((selected (selected-window)))
680 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
681 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
682 (gnus-horizontal-recenter)
683 (select-window selected))))
684 ;; If we remove this save-excursion, it updates the wrong mode lines?!?
686 (set-buffer gnus-tree-buffer)
687 (gnus-set-mode-line 'tree))
690 (defun gnus-tree-highlight-article (article face)
692 (set-buffer (gnus-get-tree-buffer))
694 (when (setq region (gnus-tree-article-region article))
695 (gnus-put-text-property (car region) (cdr region) 'face face)
697 (get-buffer-window (current-buffer) t) (cdr region))))))
703 (defvar gnus-carpal-group-buffer-buttons
704 '(("next" . gnus-group-next-unread-group)
705 ("prev" . gnus-group-prev-unread-group)
706 ("read" . gnus-group-read-group)
707 ("select" . gnus-group-select-group)
708 ("catch-up" . gnus-group-catchup-current)
709 ("new-news" . gnus-group-get-new-news-this-group)
710 ("toggle-sub" . gnus-group-unsubscribe-current-group)
711 ("subscribe" . gnus-group-unsubscribe-group)
712 ("kill" . gnus-group-kill-group)
713 ("yank" . gnus-group-yank-group)
714 ("describe" . gnus-group-describe-group)
716 ("subscribed" . gnus-group-list-groups)
717 ("all" . gnus-group-list-all-groups)
718 ("killed" . gnus-group-list-killed)
719 ("zombies" . gnus-group-list-zombies)
720 ("matching" . gnus-group-list-matching)
721 ("post" . gnus-group-post-news)
722 ("mail" . gnus-group-mail)
723 ("rescan" . gnus-group-get-new-news)
724 ("browse-foreign" . gnus-group-browse-foreign)
725 ("exit" . gnus-group-exit)))
727 (defvar gnus-carpal-summary-buffer-buttons
729 ("read" . gnus-summary-mark-as-read-forward)
730 ("tick" . gnus-summary-tick-article-forward)
731 ("clear" . gnus-summary-clear-mark-forward)
732 ("expirable" . gnus-summary-mark-as-expirable)
734 ("scroll" . gnus-summary-next-page)
735 ("next-unread" . gnus-summary-next-unread-article)
736 ("prev-unread" . gnus-summary-prev-unread-article)
737 ("first" . gnus-summary-first-unread-article)
738 ("best" . gnus-summary-best-unread-article)
740 ("headers" . gnus-summary-toggle-header)
741 ("uudecode" . gnus-uu-decode-uu)
742 ("enter-digest" . gnus-summary-enter-digest-group)
743 ("fetch-parent" . gnus-summary-refer-parent-article)
745 ("move" . gnus-summary-move-article)
746 ("copy" . gnus-summary-copy-article)
747 ("respool" . gnus-summary-respool-article)
749 ("lower" . gnus-summary-lower-thread)
750 ("kill" . gnus-summary-kill-thread)
752 ("post" . gnus-summary-post-news)
753 ("mail" . gnus-summary-mail)
754 ("followup" . gnus-summary-followup-with-original)
755 ("reply" . gnus-summary-reply-with-original)
756 ("cancel" . gnus-summary-cancel-article)
758 ("exit" . gnus-summary-exit)
759 ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
761 (defvar gnus-carpal-server-buffer-buttons
762 '(("add" . gnus-server-add-server)
763 ("browse" . gnus-server-browse-server)
764 ("list" . gnus-server-list-servers)
765 ("kill" . gnus-server-kill-server)
766 ("yank" . gnus-server-yank-server)
767 ("copy" . gnus-server-copy-server)
768 ("exit" . gnus-server-exit)))
770 (defvar gnus-carpal-browse-buffer-buttons
771 '(("subscribe" . gnus-browse-unsubscribe-current-group)
772 ("exit" . gnus-browse-exit)))
774 (defvar gnus-carpal-group-buffer "*Carpal Group*")
775 (defvar gnus-carpal-summary-buffer "*Carpal Summary*")
776 (defvar gnus-carpal-server-buffer "*Carpal Server*")
777 (defvar gnus-carpal-browse-buffer "*Carpal Browse*")
779 (defvar gnus-carpal-attached-buffer nil)
781 (defvar gnus-carpal-mode-hook nil
782 "*Hook run in carpal mode buffers.")
784 (defvar gnus-carpal-button-face 'bold
785 "*Face used on carpal buttons.")
787 (defvar gnus-carpal-header-face 'bold-italic
788 "*Face used on carpal buffer headers.")
790 (defvar gnus-carpal-mode-map nil)
791 (put 'gnus-carpal-mode 'mode-class 'special)
793 (if gnus-carpal-mode-map
795 (setq gnus-carpal-mode-map (make-keymap))
796 (suppress-keymap gnus-carpal-mode-map)
797 (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
798 (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
799 (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
801 (defun gnus-carpal-mode ()
802 "Major mode for clicking buttons.
804 All normal editing commands are switched off.
805 \\<gnus-carpal-mode-map>
806 The following commands are available:
808 \\{gnus-carpal-mode-map}"
810 (kill-all-local-variables)
811 (setq mode-line-modified "-- ")
812 (setq major-mode 'gnus-carpal-mode)
813 (setq mode-name "Gnus Carpal")
814 (setq mode-line-process nil)
815 (use-local-map gnus-carpal-mode-map)
816 (buffer-disable-undo (current-buffer))
817 (setq buffer-read-only t)
818 (make-local-variable 'gnus-carpal-attached-buffer)
819 (run-hooks 'gnus-carpal-mode-hook))
821 (defun gnus-carpal-setup-buffer (type)
822 (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
823 (if (get-buffer buffer)
826 (set-buffer (get-buffer-create buffer))
828 (setq gnus-carpal-attached-buffer
829 (intern (format "gnus-%s-buffer" type)))
830 (gnus-add-current-to-buffer-list)
831 (let ((buttons (symbol-value
832 (intern (format "gnus-carpal-%s-buffer-buttons"
834 (buffer-read-only nil)
837 (setq button (car buttons)
838 buttons (cdr buttons))
840 (gnus-set-text-properties
842 (prog2 (insert button) (point) (insert " "))
843 (list 'face gnus-carpal-header-face))
844 (gnus-set-text-properties
846 (prog2 (insert (car button)) (point) (insert " "))
847 (list 'gnus-callback (cdr button)
848 'face gnus-carpal-button-face
849 gnus-mouse-face-prop 'highlight))))
850 (let ((fill-column (- (window-width) 2)))
851 (fill-region (point-min) (point-max)))
852 (set-window-point (get-buffer-window (current-buffer))
855 (defun gnus-carpal-select ()
856 "Select the button under point."
858 (let ((func (get-text-property (point) 'gnus-callback)))
861 (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
862 (call-interactively func))))
864 (defun gnus-carpal-mouse-select (event)
865 "Select the button under the mouse pointer."
867 (mouse-set-point event)
868 (gnus-carpal-select))
870 ;;; Allow redefinition of functions.
875 ;;; gnus-salt.el ends here