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eec82323 | 1 | ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus |
16409b0b | 2 | |
7a4abdd6 | 3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, |
114f9c96 | 4 | ;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f LMI |
6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
7 | ;; Keywords: news | |
eec82323 LMI |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 12 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
eec82323 LMI |
15 | |
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. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
5ab7173c | 28 | (eval-when-compile (require 'cl)) |
d029b5d2 KY |
29 | (eval-when-compile |
30 | (when (featurep 'xemacs) | |
31 | (require 'easy-mmode))) ; for `define-minor-mode' | |
5ab7173c | 32 | |
eec82323 LMI |
33 | (require 'gnus) |
34 | (require 'gnus-sum) | |
23f87bed | 35 | (require 'gnus-win) |
eec82323 LMI |
36 | |
37 | ;;; | |
38 | ;;; gnus-pick-mode | |
39 | ;;; | |
40 | ||
a8151ef7 LMI |
41 | (defcustom gnus-pick-display-summary nil |
42 | "*Display summary while reading." | |
43 | :type 'boolean | |
44 | :group 'gnus-summary-pick) | |
45 | ||
46 | (defcustom gnus-pick-mode-hook nil | |
47 | "Hook run in summary pick mode buffers." | |
48 | :type 'hook | |
49 | :group 'gnus-summary-pick) | |
50 | ||
23f87bed MB |
51 | (when (featurep 'xemacs) |
52 | (add-hook 'gnus-pick-mode-hook 'gnus-xmas-pick-menu-add)) | |
53 | ||
a8151ef7 LMI |
54 | (defcustom gnus-mark-unpicked-articles-as-read nil |
55 | "*If non-nil, mark all unpicked articles as read." | |
56 | :type 'boolean | |
57 | :group 'gnus-summary-pick) | |
58 | ||
59 | (defcustom gnus-pick-elegant-flow t | |
23f87bed MB |
60 | "If non-nil, `gnus-pick-start-reading' runs |
61 | `gnus-summary-next-group' when no articles have been picked." | |
a8151ef7 LMI |
62 | :type 'boolean |
63 | :group 'gnus-summary-pick) | |
64 | ||
65 | (defcustom gnus-summary-pick-line-format | |
23f87bed | 66 | "%-5P %U\%R\%z\%I\%(%[%4L: %-23,23n%]%) %s\n" |
eec82323 | 67 | "*The format specification of the lines in pick buffers. |
a8151ef7 LMI |
68 | It accepts the same format specs that `gnus-summary-line-format' does." |
69 | :type 'string | |
70 | :group 'gnus-summary-pick) | |
eec82323 LMI |
71 | |
72 | ;;; Internal variables. | |
73 | ||
bbf52f1e SM |
74 | (defvar gnus-pick-mode-map |
75 | (let ((map (make-sparse-keymap))) | |
76 | (gnus-define-keys map | |
77 | " " gnus-pick-next-page | |
78 | "u" gnus-pick-unmark-article-or-thread | |
79 | "." gnus-pick-article-or-thread | |
80 | gnus-down-mouse-2 gnus-pick-mouse-pick-region | |
81 | "\r" gnus-pick-start-reading) | |
82 | map)) | |
eec82323 LMI |
83 | |
84 | (defun gnus-pick-make-menu-bar () | |
85 | (unless (boundp 'gnus-pick-menu) | |
86 | (easy-menu-define | |
23f87bed MB |
87 | gnus-pick-menu gnus-pick-mode-map "" |
88 | '("Pick" | |
89 | ("Pick" | |
90 | ["Article" gnus-summary-mark-as-processable t] | |
91 | ["Thread" gnus-uu-mark-thread t] | |
92 | ["Region" gnus-uu-mark-region t] | |
93 | ["Regexp" gnus-uu-mark-by-regexp t] | |
94 | ["Buffer" gnus-uu-mark-buffer t]) | |
95 | ("Unpick" | |
96 | ["Article" gnus-summary-unmark-as-processable t] | |
97 | ["Thread" gnus-uu-unmark-thread t] | |
98 | ["Region" gnus-uu-unmark-region t] | |
99 | ["Regexp" gnus-uu-unmark-by-regexp t] | |
100 | ["Buffer" gnus-summary-unmark-all-processable t]) | |
101 | ["Start reading" gnus-pick-start-reading t] | |
102 | ["Switch pick mode off" gnus-pick-mode gnus-pick-mode])))) | |
eec82323 | 103 | |
bbf52f1e | 104 | (define-minor-mode gnus-pick-mode |
eec82323 LMI |
105 | "Minor mode for providing a pick-and-read interface in Gnus summary buffers. |
106 | ||
107 | \\{gnus-pick-mode-map}" | |
bbf52f1e SM |
108 | :lighter " Pick" :keymap gnus-pick-mode-map |
109 | (cond | |
110 | ((not (derived-mode-p 'gnus-summary-mode)) (setq gnus-pick-mode nil)) | |
111 | ((not gnus-pick-mode) | |
112 | ;; FIXME: a buffer-local minor mode removing globally from a hook?? | |
113 | (remove-hook 'gnus-message-setup-hook 'gnus-pick-setup-message)) | |
114 | (t | |
115 | ;; Make sure that we don't select any articles upon group entry. | |
116 | (set (make-local-variable 'gnus-auto-select-first) nil) | |
117 | ;; Change line format. | |
118 | (setq gnus-summary-line-format gnus-summary-pick-line-format) | |
119 | (setq gnus-summary-line-format-spec nil) | |
120 | (gnus-update-format-specifications nil 'summary) | |
121 | (gnus-update-summary-mark-positions) | |
122 | ;; FIXME: a buffer-local minor mode adding globally to a hook?? | |
123 | (add-hook 'gnus-message-setup-hook 'gnus-pick-setup-message) | |
124 | (set (make-local-variable 'gnus-summary-goto-unread) 'never) | |
125 | ;; Set up the menu. | |
126 | (when (gnus-visual-p 'pick-menu 'menu) | |
127 | (gnus-pick-make-menu-bar))))) | |
eec82323 LMI |
128 | |
129 | (defun gnus-pick-setup-message () | |
130 | "Make Message do the right thing on exit." | |
131 | (when (and (gnus-buffer-live-p gnus-summary-buffer) | |
67d0660b | 132 | (with-current-buffer gnus-summary-buffer |
eec82323 LMI |
133 | gnus-pick-mode)) |
134 | (message-add-action | |
67d0660b | 135 | `(gnus-configure-windows ,gnus-current-window-configuration t) |
16409b0b | 136 | 'send 'exit 'postpone 'kill))) |
eec82323 LMI |
137 | |
138 | (defvar gnus-pick-line-number 1) | |
139 | (defun gnus-pick-line-number () | |
140 | "Return the current line number." | |
141 | (if (bobp) | |
142 | (setq gnus-pick-line-number 1) | |
143 | (incf gnus-pick-line-number))) | |
144 | ||
145 | (defun gnus-pick-start-reading (&optional catch-up) | |
146 | "Start reading the picked articles. | |
147 | If given a prefix, mark all unpicked articles as read." | |
148 | (interactive "P") | |
149 | (if gnus-newsgroup-processable | |
150 | (progn | |
23f87bed MB |
151 | (gnus-summary-limit-to-articles nil) |
152 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
eec82323 | 153 | (gnus-summary-limit-mark-excluded-as-read)) |
23f87bed MB |
154 | (gnus-summary-first-article) |
155 | (gnus-configure-windows | |
eec82323 LMI |
156 | (if gnus-pick-display-summary 'article 'pick) t)) |
157 | (if gnus-pick-elegant-flow | |
158 | (progn | |
159 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
a8151ef7 | 160 | (gnus-summary-catchup nil t)) |
eec82323 LMI |
161 | (if (gnus-group-quit-config gnus-newsgroup-name) |
162 | (gnus-summary-exit) | |
163 | (gnus-summary-next-group))) | |
164 | (error "No articles have been picked")))) | |
165 | ||
6748645f | 166 | (defun gnus-pick-goto-article (arg) |
16409b0b GM |
167 | "Go to the article number indicated by ARG. |
168 | If ARG is an invalid article number, then stay on current line." | |
6748645f LMI |
169 | (let (pos) |
170 | (save-excursion | |
171 | (goto-char (point-min)) | |
172 | (when (zerop (forward-line (1- (prefix-numeric-value arg)))) | |
173 | (setq pos (point)))) | |
174 | (if (not pos) | |
175 | (gnus-error 2 "No such line: %s" arg) | |
176 | (goto-char pos)))) | |
16409b0b | 177 | |
eec82323 | 178 | (defun gnus-pick-article (&optional arg) |
16409b0b | 179 | "Pick the article on the current line. |
eec82323 LMI |
180 | If ARG, pick the article on that line instead." |
181 | (interactive "P") | |
182 | (when arg | |
6748645f | 183 | (gnus-pick-goto-article arg)) |
eec82323 LMI |
184 | (gnus-summary-mark-as-processable 1)) |
185 | ||
6748645f | 186 | (defun gnus-pick-article-or-thread (&optional arg) |
16409b0b | 187 | "If `gnus-thread-hide-subtree' is t, then pick the thread on the current line. |
6748645f LMI |
188 | Otherwise pick the article on the current line. |
189 | If ARG, pick the article/thread on that line instead." | |
190 | (interactive "P") | |
191 | (when arg | |
192 | (gnus-pick-goto-article arg)) | |
193 | (if gnus-thread-hide-subtree | |
16409b0b GM |
194 | (progn |
195 | (save-excursion | |
196 | (gnus-uu-mark-thread)) | |
197 | (forward-line 1)) | |
6748645f | 198 | (gnus-summary-mark-as-processable 1))) |
16409b0b | 199 | |
6748645f | 200 | (defun gnus-pick-unmark-article-or-thread (&optional arg) |
16409b0b | 201 | "If `gnus-thread-hide-subtree' is t, then unmark the thread on current line. |
6748645f LMI |
202 | Otherwise unmark the article on current line. |
203 | If ARG, unmark thread/article on that line instead." | |
204 | (interactive "P") | |
205 | (when arg | |
206 | (gnus-pick-goto-article arg)) | |
207 | (if gnus-thread-hide-subtree | |
16409b0b GM |
208 | (save-excursion |
209 | (gnus-uu-unmark-thread)) | |
6748645f | 210 | (gnus-summary-unmark-as-processable 1))) |
16409b0b | 211 | |
eec82323 LMI |
212 | (defun gnus-pick-mouse-pick (e) |
213 | (interactive "e") | |
214 | (mouse-set-point e) | |
215 | (save-excursion | |
216 | (gnus-summary-mark-as-processable 1))) | |
217 | ||
218 | (defun gnus-pick-mouse-pick-region (start-event) | |
219 | "Pick articles that the mouse is dragged over. | |
220 | This must be bound to a button-down mouse event." | |
221 | (interactive "e") | |
222 | (mouse-minibuffer-check start-event) | |
223 | (let* ((echo-keystrokes 0) | |
224 | (start-posn (event-start start-event)) | |
225 | (start-point (posn-point start-posn)) | |
9b40100a | 226 | (start-line (1+ (count-lines (point-min) start-point))) |
eec82323 | 227 | (start-window (posn-window start-posn)) |
6748645f | 228 | (bounds (gnus-window-edges start-window)) |
eec82323 LMI |
229 | (top (nth 1 bounds)) |
230 | (bottom (if (window-minibuffer-p start-window) | |
231 | (nth 3 bounds) | |
232 | ;; Don't count the mode line. | |
233 | (1- (nth 3 bounds)))) | |
234 | (click-count (1- (event-click-count start-event)))) | |
235 | (setq mouse-selection-click-count click-count) | |
236 | (setq mouse-selection-click-count-buffer (current-buffer)) | |
237 | (mouse-set-point start-event) | |
23f87bed | 238 | ;; In case the down click is in the middle of some intangible text, |
eec82323 LMI |
239 | ;; use the end of that text, and put it in START-POINT. |
240 | (when (< (point) start-point) | |
241 | (goto-char start-point)) | |
242 | (gnus-pick-article) | |
243 | (setq start-point (point)) | |
244 | ;; end-of-range is used only in the single-click case. | |
245 | ;; It is the place where the drag has reached so far | |
246 | ;; (but not outside the window where the drag started). | |
6748645f | 247 | (let (event end end-point (end-of-range (point))) |
eec82323 | 248 | (track-mouse |
23f87bed MB |
249 | (while (progn |
250 | (setq event (cdr (gnus-read-event-char))) | |
251 | (or (mouse-movement-p event) | |
252 | (eq (car-safe event) 'switch-frame))) | |
253 | (if (eq (car-safe event) 'switch-frame) | |
254 | nil | |
255 | (setq end (event-end event) | |
256 | end-point (posn-point end)) | |
257 | ||
258 | (cond | |
259 | ;; Are we moving within the original window? | |
260 | ((and (eq (posn-window end) start-window) | |
261 | (integer-or-marker-p end-point)) | |
9b40100a | 262 | ;; Go to START-POINT first, so that when we move to END-POINT, |
23f87bed MB |
263 | ;; if it's in the middle of intangible text, |
264 | ;; point jumps in the direction away from START-POINT. | |
265 | (goto-char start-point) | |
266 | (goto-char end-point) | |
267 | (gnus-pick-article) | |
268 | ;; In case the user moved his mouse really fast, pick | |
9b40100a SM |
269 | ;; articles on the line between this one and the last one. |
270 | (let* ((this-line (1+ (count-lines (point-min) end-point))) | |
23f87bed MB |
271 | (min-line (min this-line start-line)) |
272 | (max-line (max this-line start-line))) | |
273 | (while (< min-line max-line) | |
7a4abdd6 GM |
274 | (goto-char (point-min)) |
275 | (forward-line (1- min-line)) | |
23f87bed MB |
276 | (gnus-pick-article) |
277 | (setq min-line (1+ min-line))) | |
278 | (setq start-line this-line)) | |
279 | (when (zerop (% click-count 3)) | |
280 | (setq end-of-range (point)))) | |
281 | (t | |
282 | (let ((mouse-row (cdr (cdr (mouse-position))))) | |
283 | (cond | |
284 | ((null mouse-row)) | |
285 | ((< mouse-row top) | |
286 | (mouse-scroll-subr start-window (- mouse-row top))) | |
287 | ((>= mouse-row bottom) | |
288 | (mouse-scroll-subr start-window | |
289 | (1+ (- mouse-row bottom))))))))))) | |
eec82323 LMI |
290 | (when (consp event) |
291 | (let ((fun (key-binding (vector (car event))))) | |
292 | ;; Run the binding of the terminating up-event, if possible. | |
23f87bed | 293 | ;; In the case of a multiple click, it gives the wrong results, |
eec82323 LMI |
294 | ;; because it would fail to set up a region. |
295 | (when nil | |
23f87bed MB |
296 | ;; (and (= (mod mouse-selection-click-count 3) 0) (fboundp fun)) |
297 | ;; In this case, we can just let the up-event execute normally. | |
eec82323 LMI |
298 | (let ((end (event-end event))) |
299 | ;; Set the position in the event before we replay it, | |
300 | ;; because otherwise it may have a position in the wrong | |
301 | ;; buffer. | |
302 | (setcar (cdr end) end-of-range) | |
303 | ;; Delete the overlay before calling the function, | |
23f87bed | 304 | ;; because delete-overlay increases buffer-modified-tick. |
eec82323 LMI |
305 | (push event unread-command-events)))))))) |
306 | ||
307 | (defun gnus-pick-next-page () | |
308 | "Go to the next page. If at the end of the buffer, start reading articles." | |
309 | (interactive) | |
310 | (let ((scroll-in-place nil)) | |
311 | (condition-case nil | |
312 | (scroll-up) | |
313 | (end-of-buffer (gnus-pick-start-reading))))) | |
314 | ||
315 | ;;; | |
316 | ;;; gnus-binary-mode | |
317 | ;;; | |
318 | ||
eec82323 LMI |
319 | (defvar gnus-binary-mode-hook nil |
320 | "Hook run in summary binary mode buffers.") | |
321 | ||
bbf52f1e SM |
322 | (defvar gnus-binary-mode-map |
323 | (let ((map (make-sparse-keymap))) | |
324 | (gnus-define-keys map | |
325 | "g" gnus-binary-show-article) | |
326 | map)) | |
eec82323 LMI |
327 | |
328 | (defun gnus-binary-make-menu-bar () | |
329 | (unless (boundp 'gnus-binary-menu) | |
330 | (easy-menu-define | |
23f87bed MB |
331 | gnus-binary-menu gnus-binary-mode-map "" |
332 | '("Pick" | |
333 | ["Switch binary mode off" gnus-binary-mode t])))) | |
eec82323 | 334 | |
bbf52f1e | 335 | (define-minor-mode gnus-binary-mode |
eec82323 | 336 | "Minor mode for providing a binary group interface in Gnus summary buffers." |
bbf52f1e SM |
337 | :lighter " Binary" :keymap gnus-binary-mode-map |
338 | (cond | |
339 | ((not (derived-mode-p 'gnus-summary-mode)) (setq gnus-binary-mode nil)) | |
340 | (gnus-binary-mode | |
341 | ;; Make sure that we don't select any articles upon group entry. | |
342 | (make-local-variable 'gnus-auto-select-first) | |
343 | (setq gnus-auto-select-first nil) | |
344 | (make-local-variable 'gnus-summary-display-article-function) | |
345 | (setq gnus-summary-display-article-function 'gnus-binary-display-article) | |
346 | ;; Set up the menu. | |
347 | (when (gnus-visual-p 'binary-menu 'menu) | |
348 | (gnus-binary-make-menu-bar))))) | |
eec82323 LMI |
349 | |
350 | (defun gnus-binary-display-article (article &optional all-header) | |
351 | "Run ARTICLE through the binary decode functions." | |
352 | (when (gnus-summary-goto-subject article) | |
23f87bed | 353 | (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) |
eec82323 LMI |
354 | (gnus-uu-decode-uu)))) |
355 | ||
356 | (defun gnus-binary-show-article (&optional arg) | |
357 | "Bypass the binary functions and show the article." | |
358 | (interactive "P") | |
359 | (let (gnus-summary-display-article-function) | |
360 | (gnus-summary-show-article arg))) | |
361 | ||
362 | ;;; | |
363 | ;;; gnus-tree-mode | |
364 | ;;; | |
365 | ||
a8151ef7 LMI |
366 | (defcustom gnus-tree-line-format "%(%[%3,3n%]%)" |
367 | "Format of tree elements." | |
368 | :type 'string | |
369 | :group 'gnus-summary-tree) | |
eec82323 | 370 | |
a8151ef7 | 371 | (defcustom gnus-tree-minimize-window t |
eec82323 LMI |
372 | "If non-nil, minimize the tree buffer window. |
373 | If a number, never let the tree buffer grow taller than that number of | |
a8151ef7 | 374 | lines." |
6748645f LMI |
375 | :type '(choice boolean |
376 | integer) | |
a8151ef7 | 377 | :group 'gnus-summary-tree) |
eec82323 | 378 | |
a8151ef7 LMI |
379 | (defcustom gnus-selected-tree-face 'modeline |
380 | "*Face used for highlighting selected articles in the thread tree." | |
381 | :type 'face | |
382 | :group 'gnus-summary-tree) | |
eec82323 LMI |
383 | |
384 | (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\)) | |
385 | (?\{ . ?\}) (?< . ?>)) | |
386 | "Brackets used in tree nodes.") | |
387 | ||
388 | (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|) | |
389 | "Characters used to connect parents with children.") | |
390 | ||
a8151ef7 LMI |
391 | (defcustom gnus-tree-mode-line-format "Gnus: %%b %S %Z" |
392 | "*The format specification for the tree mode line." | |
393 | :type 'string | |
394 | :group 'gnus-summary-tree) | |
eec82323 | 395 | |
a8151ef7 | 396 | (defcustom gnus-generate-tree-function 'gnus-generate-vertical-tree |
eec82323 LMI |
397 | "*Function for generating a thread tree. |
398 | Two predefined functions are available: | |
a8151ef7 LMI |
399 | `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'." |
400 | :type '(radio (function-item gnus-generate-vertical-tree) | |
401 | (function-item gnus-generate-horizontal-tree) | |
402 | (function :tag "Other" nil)) | |
403 | :group 'gnus-summary-tree) | |
eec82323 | 404 | |
a8151ef7 LMI |
405 | (defcustom gnus-tree-mode-hook nil |
406 | "*Hook run in tree mode buffers." | |
407 | :type 'hook | |
408 | :group 'gnus-summary-tree) | |
eec82323 | 409 | |
23f87bed MB |
410 | (when (featurep 'xemacs) |
411 | (add-hook 'gnus-tree-mode-hook 'gnus-xmas-tree-menu-add) | |
412 | (add-hook 'gnus-tree-mode-hook 'gnus-xmas-switch-horizontal-scrollbar-off)) | |
413 | ||
414 | ||
eec82323 LMI |
415 | ;;; Internal variables. |
416 | ||
417 | (defvar gnus-tree-line-format-alist | |
418 | `((?n gnus-tmp-name ?s) | |
419 | (?f gnus-tmp-from ?s) | |
420 | (?N gnus-tmp-number ?d) | |
421 | (?\[ gnus-tmp-open-bracket ?c) | |
422 | (?\] gnus-tmp-close-bracket ?c) | |
423 | (?s gnus-tmp-subject ?s))) | |
424 | ||
425 | (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist) | |
426 | ||
427 | (defvar gnus-tree-mode-line-format-spec nil) | |
428 | (defvar gnus-tree-line-format-spec nil) | |
429 | ||
430 | (defvar gnus-tree-node-length nil) | |
431 | (defvar gnus-selected-tree-overlay nil) | |
432 | ||
433 | (defvar gnus-tree-displayed-thread nil) | |
16409b0b | 434 | (defvar gnus-tree-inhibit nil) |
eec82323 LMI |
435 | |
436 | (defvar gnus-tree-mode-map nil) | |
437 | (put 'gnus-tree-mode 'mode-class 'special) | |
438 | ||
439 | (unless gnus-tree-mode-map | |
440 | (setq gnus-tree-mode-map (make-keymap)) | |
441 | (suppress-keymap gnus-tree-mode-map) | |
442 | (gnus-define-keys | |
16409b0b GM |
443 | gnus-tree-mode-map |
444 | "\r" gnus-tree-select-article | |
445 | gnus-mouse-2 gnus-tree-pick-article | |
446 | "\C-?" gnus-tree-read-summary-keys | |
447 | "h" gnus-tree-show-summary | |
eec82323 | 448 | |
16409b0b | 449 | "\C-c\C-i" gnus-info-find-node) |
eec82323 LMI |
450 | |
451 | (substitute-key-definition | |
452 | 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map)) | |
453 | ||
454 | (defun gnus-tree-make-menu-bar () | |
455 | (unless (boundp 'gnus-tree-menu) | |
456 | (easy-menu-define | |
23f87bed MB |
457 | gnus-tree-menu gnus-tree-mode-map "" |
458 | '("Tree" | |
459 | ["Select article" gnus-tree-select-article t])))) | |
eec82323 LMI |
460 | |
461 | (defun gnus-tree-mode () | |
462 | "Major mode for displaying thread trees." | |
463 | (interactive) | |
6748645f LMI |
464 | (gnus-set-format 'tree-mode) |
465 | (gnus-set-format 'tree t) | |
eec82323 LMI |
466 | (when (gnus-visual-p 'tree-menu 'menu) |
467 | (gnus-tree-make-menu-bar)) | |
468 | (kill-all-local-variables) | |
469 | (gnus-simplify-mode-line) | |
470 | (setq mode-name "Tree") | |
471 | (setq major-mode 'gnus-tree-mode) | |
472 | (use-local-map gnus-tree-mode-map) | |
16409b0b | 473 | (buffer-disable-undo) |
eec82323 LMI |
474 | (setq buffer-read-only t) |
475 | (setq truncate-lines t) | |
476 | (save-excursion | |
477 | (gnus-set-work-buffer) | |
478 | (gnus-tree-node-insert (make-mail-header "") nil) | |
479 | (setq gnus-tree-node-length (1- (point)))) | |
cfcd5c91 | 480 | (gnus-run-mode-hooks 'gnus-tree-mode-hook)) |
eec82323 LMI |
481 | |
482 | (defun gnus-tree-read-summary-keys (&optional arg) | |
483 | "Read a summary buffer key sequence and execute it." | |
484 | (interactive "P") | |
16409b0b GM |
485 | (unless gnus-tree-inhibit |
486 | (let ((buf (current-buffer)) | |
487 | (gnus-tree-inhibit t) | |
488 | win) | |
489 | (set-buffer gnus-article-buffer) | |
490 | (gnus-article-read-summary-keys arg nil t) | |
491 | (when (setq win (get-buffer-window buf)) | |
492 | (select-window win) | |
493 | (when gnus-selected-tree-overlay | |
494 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
495 | (gnus-tree-minimize))))) | |
eec82323 | 496 | |
a8151ef7 LMI |
497 | (defun gnus-tree-show-summary () |
498 | "Reconfigure windows to show summary buffer." | |
499 | (interactive) | |
500 | (if (not (gnus-buffer-live-p gnus-summary-buffer)) | |
501 | (error "There is no summary buffer for this tree buffer") | |
502 | (gnus-configure-windows 'article) | |
503 | (gnus-summary-goto-subject gnus-current-article))) | |
504 | ||
eec82323 LMI |
505 | (defun gnus-tree-select-article (article) |
506 | "Select the article under point, if any." | |
507 | (interactive (list (gnus-tree-article-number))) | |
508 | (let ((buf (current-buffer))) | |
509 | (when article | |
67d0660b | 510 | (with-current-buffer gnus-summary-buffer |
eec82323 LMI |
511 | (gnus-summary-goto-article article)) |
512 | (select-window (get-buffer-window buf))))) | |
513 | ||
514 | (defun gnus-tree-pick-article (e) | |
515 | "Select the article under the mouse pointer." | |
516 | (interactive "e") | |
517 | (mouse-set-point e) | |
518 | (gnus-tree-select-article (gnus-tree-article-number))) | |
519 | ||
520 | (defun gnus-tree-article-number () | |
521 | (get-text-property (point) 'gnus-number)) | |
522 | ||
523 | (defun gnus-tree-article-region (article) | |
524 | "Return a cons with BEG and END of the article region." | |
16409b0b GM |
525 | (let ((pos (text-property-any |
526 | (point-min) (point-max) 'gnus-number article))) | |
eec82323 LMI |
527 | (when pos |
528 | (cons pos (next-single-property-change pos 'gnus-number))))) | |
529 | ||
530 | (defun gnus-tree-goto-article (article) | |
16409b0b GM |
531 | (let ((pos (text-property-any |
532 | (point-min) (point-max) 'gnus-number article))) | |
eec82323 LMI |
533 | (when pos |
534 | (goto-char pos)))) | |
535 | ||
536 | (defun gnus-tree-recenter () | |
537 | "Center point in the tree window." | |
538 | (let ((selected (selected-window)) | |
23f87bed | 539 | (tree-window (gnus-get-buffer-window gnus-tree-buffer t))) |
eec82323 LMI |
540 | (when tree-window |
541 | (select-window tree-window) | |
542 | (when gnus-selected-tree-overlay | |
543 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
544 | (let* ((top (cond ((< (window-height) 4) 0) | |
545 | ((< (window-height) 7) 1) | |
546 | (t 2))) | |
547 | (height (1- (window-height))) | |
548 | (bottom (save-excursion (goto-char (point-max)) | |
549 | (forward-line (- height)) | |
550 | (point)))) | |
23f87bed | 551 | ;; Set the window start to either `bottom', which is the biggest |
eec82323 LMI |
552 | ;; possible valid number, or the second line from the top, |
553 | ;; whichever is the least. | |
554 | (set-window-start | |
555 | tree-window (min bottom (save-excursion | |
556 | (forward-line (- top)) (point))))) | |
557 | (select-window selected)))) | |
558 | ||
559 | (defun gnus-get-tree-buffer () | |
560 | "Return the tree buffer properly initialized." | |
67d0660b | 561 | (with-current-buffer (gnus-get-buffer-create gnus-tree-buffer) |
eec82323 | 562 | (unless (eq major-mode 'gnus-tree-mode) |
eec82323 LMI |
563 | (gnus-tree-mode)) |
564 | (current-buffer))) | |
565 | ||
566 | (defun gnus-tree-minimize () | |
567 | (when (and gnus-tree-minimize-window | |
568 | (not (one-window-p))) | |
569 | (let ((windows 0) | |
570 | tot-win-height) | |
571 | (walk-windows (lambda (window) (incf windows))) | |
572 | (setq tot-win-height | |
573 | (- (frame-height) | |
574 | (* window-min-height (1- windows)) | |
575 | 2)) | |
576 | (let* ((window-min-height 2) | |
577 | (height (count-lines (point-min) (point-max))) | |
578 | (min (max (1- window-min-height) height)) | |
579 | (tot (if (numberp gnus-tree-minimize-window) | |
580 | (min gnus-tree-minimize-window min) | |
581 | min)) | |
582 | (win (get-buffer-window (current-buffer))) | |
583 | (wh (and win (1- (window-height win))))) | |
584 | (setq tot (min tot tot-win-height)) | |
585 | (when (and win | |
586 | (not (eq tot wh))) | |
587 | (let ((selected (selected-window))) | |
588 | (when (ignore-errors (select-window win)) | |
589 | (enlarge-window (- tot wh)) | |
590 | (select-window selected)))))))) | |
591 | ||
592 | ;;; Generating the tree. | |
593 | ||
594 | (defun gnus-tree-node-insert (header sparse &optional adopted) | |
595 | (let* ((dummy (stringp header)) | |
596 | (header (if (vectorp header) header | |
597 | (progn | |
598 | (setq header (make-mail-header "*****")) | |
599 | (mail-header-set-number header 0) | |
600 | (mail-header-set-lines header 0) | |
601 | (mail-header-set-chars header 0) | |
602 | header))) | |
603 | (gnus-tmp-from (mail-header-from header)) | |
604 | (gnus-tmp-subject (mail-header-subject header)) | |
605 | (gnus-tmp-number (mail-header-number header)) | |
606 | (gnus-tmp-name | |
607 | (cond | |
608 | ((string-match "(.+)" gnus-tmp-from) | |
609 | (substring gnus-tmp-from | |
610 | (1+ (match-beginning 0)) (1- (match-end 0)))) | |
611 | ((string-match "<[^>]+> *$" gnus-tmp-from) | |
612 | (let ((beg (match-beginning 0))) | |
613 | (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from) | |
614 | (substring gnus-tmp-from (1+ (match-beginning 0)) | |
615 | (1- (match-end 0)))) | |
616 | (substring gnus-tmp-from 0 beg)))) | |
617 | ((memq gnus-tmp-number sparse) | |
618 | "***") | |
619 | (t gnus-tmp-from))) | |
620 | (gnus-tmp-open-bracket | |
621 | (cond ((memq gnus-tmp-number sparse) | |
622 | (caadr gnus-tree-brackets)) | |
623 | (dummy (caaddr gnus-tree-brackets)) | |
624 | (adopted (car (nth 3 gnus-tree-brackets))) | |
625 | (t (caar gnus-tree-brackets)))) | |
626 | (gnus-tmp-close-bracket | |
627 | (cond ((memq gnus-tmp-number sparse) | |
628 | (cdadr gnus-tree-brackets)) | |
629 | (adopted (cdr (nth 3 gnus-tree-brackets))) | |
630 | (dummy | |
631 | (cdaddr gnus-tree-brackets)) | |
632 | (t (cdar gnus-tree-brackets)))) | |
633 | (buffer-read-only nil) | |
634 | beg end) | |
635 | (gnus-add-text-properties | |
636 | (setq beg (point)) | |
637 | (setq end (progn (eval gnus-tree-line-format-spec) (point))) | |
638 | (list 'gnus-number gnus-tmp-number)) | |
639 | (when (or t (gnus-visual-p 'tree-highlight 'highlight)) | |
640 | (gnus-tree-highlight-node gnus-tmp-number beg end)))) | |
641 | ||
642 | (defun gnus-tree-highlight-node (article beg end) | |
643 | "Highlight current line according to `gnus-summary-highlight'." | |
644 | (let ((list gnus-summary-highlight) | |
645 | face) | |
67d0660b | 646 | (with-current-buffer gnus-summary-buffer |
eec82323 LMI |
647 | (let* ((score (or (cdr (assq article gnus-newsgroup-scored)) |
648 | gnus-summary-default-score 0)) | |
649 | (default gnus-summary-default-score) | |
23f87bed MB |
650 | (default-high gnus-summary-default-high-score) |
651 | (default-low gnus-summary-default-low-score) | |
652 | (uncached (memq article gnus-newsgroup-undownloaded)) | |
653 | (downloaded (not uncached)) | |
eec82323 LMI |
654 | (mark (or (gnus-summary-article-mark article) gnus-unread-mark))) |
655 | ;; Eval the cars of the lists until we find a match. | |
656 | (while (and list | |
657 | (not (eval (caar list)))) | |
658 | (setq list (cdr list))))) | |
659 | (unless (eq (setq face (cdar list)) (get-text-property beg 'face)) | |
6748645f | 660 | (gnus-put-text-property-excluding-characters-with-faces |
eec82323 LMI |
661 | beg end 'face |
662 | (if (boundp face) (symbol-value face) face))))) | |
663 | ||
664 | (defun gnus-tree-indent (level) | |
665 | (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? ))) | |
666 | ||
667 | (defvar gnus-tmp-limit) | |
668 | (defvar gnus-tmp-sparse) | |
669 | (defvar gnus-tmp-indent) | |
670 | ||
671 | (defun gnus-generate-tree (thread) | |
672 | "Generate a thread tree for THREAD." | |
67d0660b | 673 | (with-current-buffer (gnus-get-tree-buffer) |
eec82323 LMI |
674 | (let ((buffer-read-only nil) |
675 | (gnus-tmp-indent 0)) | |
676 | (erase-buffer) | |
677 | (funcall gnus-generate-tree-function thread 0) | |
678 | (gnus-set-mode-line 'tree) | |
679 | (goto-char (point-min)) | |
680 | (gnus-tree-minimize) | |
681 | (gnus-tree-recenter) | |
682 | (let ((selected (selected-window))) | |
23f87bed MB |
683 | (when (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t) |
684 | (select-window (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
eec82323 LMI |
685 | (gnus-horizontal-recenter) |
686 | (select-window selected)))))) | |
687 | ||
688 | (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted) | |
689 | "Generate a horizontal tree." | |
690 | (let* ((dummy (stringp (car thread))) | |
691 | (do (or dummy | |
a8151ef7 LMI |
692 | (and (car thread) |
693 | (memq (mail-header-number (car thread)) | |
694 | gnus-tmp-limit)))) | |
eec82323 LMI |
695 | col beg) |
696 | (if (not do) | |
697 | ;; We don't want this article. | |
698 | (setq thread (cdr thread)) | |
699 | (if (not (bolp)) | |
700 | ;; Not the first article on the line, so we insert a "-". | |
701 | (insert (car gnus-tree-parent-child-edges)) | |
702 | ;; If the level isn't zero, then we insert some indentation. | |
703 | (unless (zerop level) | |
704 | (gnus-tree-indent level) | |
705 | (insert (cadr gnus-tree-parent-child-edges)) | |
01c52d31 | 706 | (setq col (- (setq beg (point)) (point-at-bol) 1)) |
eec82323 LMI |
707 | ;; Draw "|" lines upwards. |
708 | (while (progn | |
709 | (forward-line -1) | |
710 | (forward-char col) | |
16409b0b | 711 | (eq (char-after) ? )) |
eec82323 LMI |
712 | (delete-char 1) |
713 | (insert (caddr gnus-tree-parent-child-edges))) | |
714 | (goto-char beg))) | |
715 | (setq dummyp nil) | |
716 | ;; Insert the article node. | |
717 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)) | |
718 | (if (null thread) | |
719 | ;; End of the thread, so we go to the next line. | |
720 | (unless (bolp) | |
721 | (insert "\n")) | |
722 | ;; Recurse downwards in all children of this article. | |
723 | (while thread | |
724 | (gnus-generate-horizontal-tree | |
725 | (pop thread) (if do (1+ level) level) | |
726 | (or dummyp dummy) dummy))))) | |
727 | ||
728 | (defsubst gnus-tree-indent-vertical () | |
729 | (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent) | |
01c52d31 | 730 | (- (point) (point-at-bol))))) |
eec82323 LMI |
731 | (when (> len 0) |
732 | (insert (make-string len ? ))))) | |
733 | ||
734 | (defsubst gnus-tree-forward-line (n) | |
735 | (while (>= (decf n) 0) | |
736 | (unless (zerop (forward-line 1)) | |
737 | (end-of-line) | |
738 | (insert "\n"))) | |
739 | (end-of-line)) | |
740 | ||
741 | (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted) | |
742 | "Generate a vertical tree." | |
743 | (let* ((dummy (stringp (car thread))) | |
744 | (do (or dummy | |
745 | (and (car thread) | |
746 | (memq (mail-header-number (car thread)) | |
747 | gnus-tmp-limit)))) | |
748 | beg) | |
749 | (if (not do) | |
750 | ;; We don't want this article. | |
751 | (setq thread (cdr thread)) | |
752 | (if (not (save-excursion (beginning-of-line) (bobp))) | |
753 | ;; Not the first article on the line, so we insert a "-". | |
754 | (progn | |
755 | (gnus-tree-indent-vertical) | |
756 | (insert (make-string (/ gnus-tree-node-length 2) ? )) | |
757 | (insert (caddr gnus-tree-parent-child-edges)) | |
758 | (gnus-tree-forward-line 1)) | |
759 | ;; If the level isn't zero, then we insert some indentation. | |
760 | (unless (zerop gnus-tmp-indent) | |
761 | (gnus-tree-forward-line (1- (* 2 level))) | |
762 | (gnus-tree-indent-vertical) | |
763 | (delete-char -1) | |
764 | (insert (cadr gnus-tree-parent-child-edges)) | |
765 | (setq beg (point)) | |
a8151ef7 | 766 | (forward-char -1) |
eec82323 | 767 | ;; Draw "-" lines leftwards. |
9b40100a | 768 | (while (and (not (bobp)) |
16409b0b | 769 | (eq (char-after (1- (point))) ? )) |
a8151ef7 LMI |
770 | (delete-char -1) |
771 | (insert (car gnus-tree-parent-child-edges)) | |
772 | (forward-char -1)) | |
eec82323 LMI |
773 | (goto-char beg) |
774 | (gnus-tree-forward-line 1))) | |
775 | (setq dummyp nil) | |
776 | ;; Insert the article node. | |
777 | (gnus-tree-indent-vertical) | |
778 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted) | |
779 | (gnus-tree-forward-line 1)) | |
780 | (if (null thread) | |
781 | ;; End of the thread, so we go to the next line. | |
782 | (progn | |
783 | (goto-char (point-min)) | |
784 | (end-of-line) | |
785 | (incf gnus-tmp-indent)) | |
786 | ;; Recurse downwards in all children of this article. | |
787 | (while thread | |
788 | (gnus-generate-vertical-tree | |
789 | (pop thread) (if do (1+ level) level) | |
790 | (or dummyp dummy) dummy))))) | |
791 | ||
792 | ;;; Interface functions. | |
793 | ||
794 | (defun gnus-possibly-generate-tree (article &optional force) | |
795 | "Generate the thread tree for ARTICLE if it isn't displayed already." | |
67d0660b | 796 | (when (with-current-buffer gnus-summary-buffer |
eec82323 LMI |
797 | (and gnus-use-trees |
798 | gnus-show-threads | |
799 | (vectorp (gnus-summary-article-header article)))) | |
800 | (save-excursion | |
67d0660b | 801 | (let ((top (with-current-buffer gnus-summary-buffer |
eec82323 LMI |
802 | (gnus-cut-thread |
803 | (gnus-remove-thread | |
804 | (mail-header-id | |
805 | (gnus-summary-article-header article)) | |
806 | t)))) | |
807 | (gnus-tmp-limit gnus-newsgroup-limit) | |
808 | (gnus-tmp-sparse gnus-newsgroup-sparse)) | |
809 | (when (or force | |
810 | (not (eq top gnus-tree-displayed-thread))) | |
811 | (gnus-generate-tree top) | |
812 | (setq gnus-tree-displayed-thread top)))))) | |
813 | ||
814 | (defun gnus-tree-open (group) | |
815 | (gnus-get-tree-buffer)) | |
816 | ||
817 | (defun gnus-tree-close (group) | |
6748645f | 818 | (gnus-kill-buffer gnus-tree-buffer)) |
eec82323 | 819 | |
23f87bed MB |
820 | (defun gnus-tree-perhaps-minimize () |
821 | (when (and gnus-tree-minimize-window | |
822 | (get-buffer gnus-tree-buffer)) | |
67d0660b | 823 | (with-current-buffer gnus-tree-buffer |
23f87bed MB |
824 | (gnus-tree-minimize)))) |
825 | ||
eec82323 LMI |
826 | (defun gnus-highlight-selected-tree (article) |
827 | "Highlight the selected article in the tree." | |
828 | (let ((buf (current-buffer)) | |
829 | region) | |
830 | (set-buffer gnus-tree-buffer) | |
831 | (when (setq region (gnus-tree-article-region article)) | |
832 | (when (or (not gnus-selected-tree-overlay) | |
833 | (gnus-extent-detached-p gnus-selected-tree-overlay)) | |
834 | ;; Create a new overlay. | |
835 | (gnus-overlay-put | |
9b40100a SM |
836 | (setq gnus-selected-tree-overlay |
837 | (gnus-make-overlay (point-min) (1+ (point-min)))) | |
eec82323 LMI |
838 | 'face gnus-selected-tree-face)) |
839 | ;; Move the overlay to the article. | |
840 | (gnus-move-overlay | |
841 | gnus-selected-tree-overlay (goto-char (car region)) (cdr region)) | |
842 | (gnus-tree-minimize) | |
843 | (gnus-tree-recenter) | |
844 | (let ((selected (selected-window))) | |
23f87bed MB |
845 | (when (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t) |
846 | (select-window (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
eec82323 LMI |
847 | (gnus-horizontal-recenter) |
848 | (select-window selected)))) | |
23f87bed | 849 | ;; If we remove this save-excursion, it updates the wrong mode lines?!? |
67d0660b | 850 | (with-current-buffer gnus-tree-buffer |
eec82323 LMI |
851 | (gnus-set-mode-line 'tree)) |
852 | (set-buffer buf))) | |
853 | ||
854 | (defun gnus-tree-highlight-article (article face) | |
67d0660b | 855 | (with-current-buffer (gnus-get-tree-buffer) |
eec82323 LMI |
856 | (let (region) |
857 | (when (setq region (gnus-tree-article-region article)) | |
858 | (gnus-put-text-property (car region) (cdr region) 'face face) | |
859 | (set-window-point | |
23f87bed | 860 | (gnus-get-buffer-window (current-buffer) t) (cdr region)))))) |
eec82323 LMI |
861 | |
862 | ;;; | |
863 | ;;; gnus-carpal | |
864 | ;;; | |
865 | ||
866 | (defvar gnus-carpal-group-buffer-buttons | |
867 | '(("next" . gnus-group-next-unread-group) | |
868 | ("prev" . gnus-group-prev-unread-group) | |
869 | ("read" . gnus-group-read-group) | |
870 | ("select" . gnus-group-select-group) | |
871 | ("catch-up" . gnus-group-catchup-current) | |
872 | ("new-news" . gnus-group-get-new-news-this-group) | |
873 | ("toggle-sub" . gnus-group-unsubscribe-current-group) | |
874 | ("subscribe" . gnus-group-unsubscribe-group) | |
875 | ("kill" . gnus-group-kill-group) | |
876 | ("yank" . gnus-group-yank-group) | |
877 | ("describe" . gnus-group-describe-group) | |
878 | "list" | |
879 | ("subscribed" . gnus-group-list-groups) | |
880 | ("all" . gnus-group-list-all-groups) | |
881 | ("killed" . gnus-group-list-killed) | |
882 | ("zombies" . gnus-group-list-zombies) | |
883 | ("matching" . gnus-group-list-matching) | |
884 | ("post" . gnus-group-post-news) | |
885 | ("mail" . gnus-group-mail) | |
23f87bed | 886 | ("local" . (lambda () (interactive) (gnus-group-news 0))) |
eec82323 LMI |
887 | ("rescan" . gnus-group-get-new-news) |
888 | ("browse-foreign" . gnus-group-browse-foreign) | |
889 | ("exit" . gnus-group-exit))) | |
890 | ||
891 | (defvar gnus-carpal-summary-buffer-buttons | |
892 | '("mark" | |
893 | ("read" . gnus-summary-mark-as-read-forward) | |
894 | ("tick" . gnus-summary-tick-article-forward) | |
895 | ("clear" . gnus-summary-clear-mark-forward) | |
896 | ("expirable" . gnus-summary-mark-as-expirable) | |
897 | "move" | |
898 | ("scroll" . gnus-summary-next-page) | |
899 | ("next-unread" . gnus-summary-next-unread-article) | |
900 | ("prev-unread" . gnus-summary-prev-unread-article) | |
901 | ("first" . gnus-summary-first-unread-article) | |
902 | ("best" . gnus-summary-best-unread-article) | |
903 | "article" | |
904 | ("headers" . gnus-summary-toggle-header) | |
905 | ("uudecode" . gnus-uu-decode-uu) | |
906 | ("enter-digest" . gnus-summary-enter-digest-group) | |
907 | ("fetch-parent" . gnus-summary-refer-parent-article) | |
908 | "mail" | |
909 | ("move" . gnus-summary-move-article) | |
910 | ("copy" . gnus-summary-copy-article) | |
911 | ("respool" . gnus-summary-respool-article) | |
912 | "threads" | |
913 | ("lower" . gnus-summary-lower-thread) | |
914 | ("kill" . gnus-summary-kill-thread) | |
915 | "post" | |
916 | ("post" . gnus-summary-post-news) | |
23f87bed MB |
917 | ("local" . gnus-summary-news-other-window) |
918 | ("mail" . gnus-summary-mail-other-window) | |
eec82323 LMI |
919 | ("followup" . gnus-summary-followup-with-original) |
920 | ("reply" . gnus-summary-reply-with-original) | |
921 | ("cancel" . gnus-summary-cancel-article) | |
922 | "misc" | |
923 | ("exit" . gnus-summary-exit) | |
924 | ("fed-up" . gnus-summary-catchup-and-goto-next-group))) | |
925 | ||
926 | (defvar gnus-carpal-server-buffer-buttons | |
927 | '(("add" . gnus-server-add-server) | |
928 | ("browse" . gnus-server-browse-server) | |
929 | ("list" . gnus-server-list-servers) | |
930 | ("kill" . gnus-server-kill-server) | |
931 | ("yank" . gnus-server-yank-server) | |
932 | ("copy" . gnus-server-copy-server) | |
933 | ("exit" . gnus-server-exit))) | |
934 | ||
935 | (defvar gnus-carpal-browse-buffer-buttons | |
936 | '(("subscribe" . gnus-browse-unsubscribe-current-group) | |
937 | ("exit" . gnus-browse-exit))) | |
938 | ||
939 | (defvar gnus-carpal-group-buffer "*Carpal Group*") | |
940 | (defvar gnus-carpal-summary-buffer "*Carpal Summary*") | |
941 | (defvar gnus-carpal-server-buffer "*Carpal Server*") | |
942 | (defvar gnus-carpal-browse-buffer "*Carpal Browse*") | |
943 | ||
944 | (defvar gnus-carpal-attached-buffer nil) | |
945 | ||
946 | (defvar gnus-carpal-mode-hook nil | |
947 | "*Hook run in carpal mode buffers.") | |
948 | ||
949 | (defvar gnus-carpal-button-face 'bold | |
950 | "*Face used on carpal buttons.") | |
951 | ||
952 | (defvar gnus-carpal-header-face 'bold-italic | |
953 | "*Face used on carpal buffer headers.") | |
954 | ||
955 | (defvar gnus-carpal-mode-map nil) | |
956 | (put 'gnus-carpal-mode 'mode-class 'special) | |
957 | ||
958 | (if gnus-carpal-mode-map | |
959 | nil | |
960 | (setq gnus-carpal-mode-map (make-keymap)) | |
961 | (suppress-keymap gnus-carpal-mode-map) | |
962 | (define-key gnus-carpal-mode-map " " 'gnus-carpal-select) | |
963 | (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select) | |
964 | (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select)) | |
965 | ||
966 | (defun gnus-carpal-mode () | |
967 | "Major mode for clicking buttons. | |
968 | ||
969 | All normal editing commands are switched off. | |
970 | \\<gnus-carpal-mode-map> | |
971 | The following commands are available: | |
972 | ||
973 | \\{gnus-carpal-mode-map}" | |
974 | (interactive) | |
975 | (kill-all-local-variables) | |
a8151ef7 | 976 | (setq mode-line-modified (cdr gnus-mode-line-modified)) |
eec82323 LMI |
977 | (setq major-mode 'gnus-carpal-mode) |
978 | (setq mode-name "Gnus Carpal") | |
979 | (setq mode-line-process nil) | |
980 | (use-local-map gnus-carpal-mode-map) | |
16409b0b | 981 | (buffer-disable-undo) |
eec82323 LMI |
982 | (setq buffer-read-only t) |
983 | (make-local-variable 'gnus-carpal-attached-buffer) | |
cfcd5c91 | 984 | (gnus-run-mode-hooks 'gnus-carpal-mode-hook)) |
eec82323 LMI |
985 | |
986 | (defun gnus-carpal-setup-buffer (type) | |
987 | (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type))))) | |
988 | (if (get-buffer buffer) | |
989 | () | |
67d0660b | 990 | (with-current-buffer (gnus-get-buffer-create buffer) |
eec82323 LMI |
991 | (gnus-carpal-mode) |
992 | (setq gnus-carpal-attached-buffer | |
993 | (intern (format "gnus-%s-buffer" type))) | |
eec82323 LMI |
994 | (let ((buttons (symbol-value |
995 | (intern (format "gnus-carpal-%s-buffer-buttons" | |
996 | type)))) | |
997 | (buffer-read-only nil) | |
998 | button) | |
999 | (while buttons | |
1000 | (setq button (car buttons) | |
1001 | buttons (cdr buttons)) | |
1002 | (if (stringp button) | |
01c52d31 | 1003 | (set-text-properties |
eec82323 LMI |
1004 | (point) |
1005 | (prog2 (insert button) (point) (insert " ")) | |
1006 | (list 'face gnus-carpal-header-face)) | |
01c52d31 | 1007 | (set-text-properties |
eec82323 LMI |
1008 | (point) |
1009 | (prog2 (insert (car button)) (point) (insert " ")) | |
1010 | (list 'gnus-callback (cdr button) | |
1011 | 'face gnus-carpal-button-face | |
1012 | gnus-mouse-face-prop 'highlight)))) | |
1013 | (let ((fill-column (- (window-width) 2))) | |
1014 | (fill-region (point-min) (point-max))) | |
1015 | (set-window-point (get-buffer-window (current-buffer)) | |
1016 | (point-min))))))) | |
1017 | ||
1018 | (defun gnus-carpal-select () | |
1019 | "Select the button under point." | |
1020 | (interactive) | |
1021 | (let ((func (get-text-property (point) 'gnus-callback))) | |
1022 | (if (null func) | |
1023 | () | |
1024 | (pop-to-buffer (symbol-value gnus-carpal-attached-buffer)) | |
1025 | (call-interactively func)))) | |
1026 | ||
1027 | (defun gnus-carpal-mouse-select (event) | |
1028 | "Select the button under the mouse pointer." | |
1029 | (interactive "e") | |
1030 | (mouse-set-point event) | |
1031 | (gnus-carpal-select)) | |
1032 | ||
1033 | ;;; Allow redefinition of functions. | |
1034 | (gnus-ems-redefine) | |
1035 | ||
1036 | (provide 'gnus-salt) | |
1037 | ||
9b40100a | 1038 | ;; arch-tag: 35449164-77b3-4398-bcbd-a2e3e998f810 |
eec82323 | 1039 | ;;; gnus-salt.el ends here |