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41487370 | 1 | ;;; gnus-ems.el --- functions for making Gnus work under different Emacsen |
b578f267 | 2 | |
41487370 LMI |
3 | ;; Copyright (C) 1995 Free Software Foundation, Inc. |
4 | ||
5 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> | |
6 | ;; Keywords: news | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
41487370 LMI |
24 | |
25 | ;;; Commentary: | |
26 | ||
eac54d4c RS |
27 | ;;; This file has been censored by the Communications Decency Act. |
28 | ;;; That law was passed under the guise of a ban on pornography, but | |
29 | ;;; it bans far more than that. This file did not contain pornograpy, | |
30 | ;;; but it was censored nonetheless. | |
31 | ||
32 | ;;; For information on US government censorship of the Internet, and | |
33 | ;;; what you can do to bring back freedom of the press, see the web | |
34 | ;;; site http://www.vtw.org/ | |
35 | ||
41487370 LMI |
36 | ;;; Code: |
37 | ||
38 | (defvar gnus-mouse-2 [mouse-2]) | |
39 | (defvar gnus-group-mode-hook ()) | |
40 | (defvar gnus-summary-mode-hook ()) | |
41 | (defvar gnus-article-mode-hook ()) | |
42 | ||
43 | (defalias 'gnus-make-overlay 'make-overlay) | |
44 | (defalias 'gnus-overlay-put 'overlay-put) | |
45 | (defalias 'gnus-move-overlay 'move-overlay) | |
46 | ||
47 | (or (fboundp 'mail-file-babyl-p) | |
48 | (fset 'mail-file-babyl-p 'rmail-file-p)) | |
49 | ||
50 | ;; Don't warn about these undefined variables. | |
51 | ;defined in gnus.el | |
52 | (defvar gnus-active-hashtb) | |
53 | (defvar gnus-article-buffer) | |
54 | (defvar gnus-auto-center-summary) | |
55 | (defvar gnus-buffer-list) | |
56 | (defvar gnus-current-headers) | |
57 | (defvar gnus-level-killed) | |
58 | (defvar gnus-level-zombie) | |
59 | (defvar gnus-newsgroup-bookmarks) | |
60 | (defvar gnus-newsgroup-dependencies) | |
61 | (defvar gnus-newsgroup-headers-hashtb-by-number) | |
62 | (defvar gnus-newsgroup-selected-overlay) | |
63 | (defvar gnus-newsrc-hashtb) | |
64 | (defvar gnus-read-mark) | |
65 | (defvar gnus-refer-article-method) | |
66 | (defvar gnus-reffed-article-number) | |
67 | (defvar gnus-unread-mark) | |
68 | (defvar gnus-version) | |
69 | (defvar gnus-view-pseudos) | |
70 | (defvar gnus-view-pseudos-separately) | |
71 | (defvar gnus-visual) | |
72 | (defvar gnus-zombie-list) | |
73 | ;defined in gnus-msg.el | |
74 | (defvar gnus-article-copy) | |
75 | (defvar gnus-check-before-posting) | |
76 | ;defined in gnus-vis.el | |
77 | (defvar gnus-article-button-face) | |
78 | (defvar gnus-article-mouse-face) | |
79 | (defvar gnus-summary-selected-face) | |
80 | ||
81 | ||
82 | ;; We do not byte-compile this file, because error messages are such a | |
83 | ;; bore. | |
84 | ||
85 | (defun gnus-set-text-properties-xemacs (start end props &optional buffer) | |
86 | "You should NEVER use this function. It is ideologically blasphemous. | |
87 | It is provided only to ease porting of broken FSF Emacs programs." | |
88 | (if (and (stringp buffer) (not (setq buffer (get-buffer buffer)))) | |
89 | nil | |
90 | (map-extents (lambda (extent ignored) | |
91 | (remove-text-properties | |
92 | start end | |
93 | (list (extent-property extent 'text-prop) nil) | |
94 | buffer)) | |
95 | buffer start end nil nil 'text-prop) | |
96 | (add-text-properties start end props buffer))) | |
97 | ||
98 | (eval | |
99 | '(progn | |
100 | (if (string-match "XEmacs\\|Lucid" emacs-version) | |
101 | () | |
102 | ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>. | |
103 | (defvar gnus-display-type | |
104 | (condition-case nil | |
105 | (let ((display-resource (x-get-resource ".displayType" "DisplayType"))) | |
106 | (cond (display-resource (intern (downcase display-resource))) | |
107 | ((x-display-color-p) 'color) | |
108 | ((x-display-grayscale-p) 'grayscale) | |
109 | (t 'mono))) | |
110 | (error 'mono)) | |
111 | "A symbol indicating the display Emacs is running under. | |
112 | The symbol should be one of `color', `grayscale' or `mono'. If Emacs | |
113 | guesses this display attribute wrongly, either set this variable in | |
114 | your `~/.emacs' or set the resource `Emacs.displayType' in your | |
115 | `~/.Xdefaults'. See also `gnus-background-mode'. | |
116 | ||
117 | This is a meta-variable that will affect what default values other | |
118 | variables get. You would normally not change this variable, but | |
119 | pounce directly on the real variables themselves.") | |
120 | ||
121 | (defvar gnus-background-mode | |
122 | (condition-case nil | |
123 | (let ((bg-resource (x-get-resource ".backgroundMode" | |
124 | "BackgroundMode")) | |
125 | (params (frame-parameters))) | |
126 | (cond (bg-resource (intern (downcase bg-resource))) | |
127 | ((and (cdr (assq 'background-color params)) | |
128 | (< (apply '+ (x-color-values | |
129 | (cdr (assq 'background-color params)))) | |
130 | (/ (apply '+ (x-color-values "white")) 3))) | |
131 | 'dark) | |
132 | (t 'light))) | |
133 | (error 'light)) | |
134 | "A symbol indicating the Emacs background brightness. | |
135 | The symbol should be one of `light' or `dark'. | |
136 | If Emacs guesses this frame attribute wrongly, either set this variable in | |
137 | your `~/.emacs' or set the resource `Emacs.backgroundMode' in your | |
138 | `~/.Xdefaults'. | |
139 | See also `gnus-display-type'. | |
140 | ||
141 | This is a meta-variable that will affect what default values other | |
142 | variables get. You would normally not change this variable, but | |
143 | pounce directly on the real variables themselves.")) | |
144 | ||
145 | (cond | |
146 | ((string-match "XEmacs\\|Lucid" emacs-version) | |
147 | ;; XEmacs definitions. | |
148 | ||
149 | (setq gnus-mouse-2 [button2]) | |
150 | ||
151 | (or (memq 'underline (list-faces)) | |
152 | (and (fboundp 'make-face) | |
153 | (funcall (intern "make-face") 'underline))) | |
154 | ;; Must avoid calling set-face-underline-p directly, because it | |
155 | ;; is a defsubst in emacs19, and will make the .elc files non | |
156 | ;; portable! | |
157 | (or (face-differs-from-default-p 'underline) | |
158 | (funcall 'set-face-underline-p 'underline t)) | |
159 | ||
160 | (defalias 'gnus-make-overlay 'make-extent) | |
161 | (defalias 'gnus-overlay-put 'set-extent-property) | |
162 | (defun gnus-move-overlay (extent start end &optional buffer) | |
163 | (set-extent-endpoints extent start end)) | |
164 | ||
165 | (require 'text-props) | |
166 | (fset 'set-text-properties 'gnus-set-text-properties-xemacs) | |
167 | ||
168 | (or (boundp 'standard-display-table) (setq standard-display-table nil)) | |
169 | (or (boundp 'read-event) (fset 'read-event 'next-command-event)) | |
170 | ||
171 | ;; Fix by "jeff (j.d.) sparkes" <jsparkes@bnr.ca>. | |
172 | (defvar gnus-display-type (device-class) | |
173 | "A symbol indicating the display Emacs is running under. | |
174 | The symbol should be one of `color', `grayscale' or `mono'. If Emacs | |
175 | guesses this display attribute wrongly, either set this variable in | |
176 | your `~/.emacs' or set the resource `Emacs.displayType' in your | |
177 | `~/.Xdefaults'. See also `gnus-background-mode'. | |
178 | ||
179 | This is a meta-variable that will affect what default values other | |
180 | variables get. You would normally not change this variable, but | |
181 | pounce directly on the real variables themselves.") | |
182 | ||
183 | ||
184 | (or (fboundp 'x-color-values) | |
185 | (fset 'x-color-values | |
186 | (lambda (color) | |
187 | (color-instance-rgb-components | |
188 | (make-color-instance color))))) | |
189 | ||
190 | (defvar gnus-background-mode | |
191 | (let ((bg-resource | |
192 | (condition-case () | |
193 | (x-get-resource ".backgroundMode" "BackgroundMode" 'string) | |
194 | (error nil))) | |
195 | (params (frame-parameters))) | |
196 | (cond (bg-resource (intern (downcase bg-resource))) | |
197 | ((and (assq 'background-color params) | |
198 | (< (apply '+ (x-color-values | |
199 | (cdr (assq 'background-color params)))) | |
200 | (/ (apply '+ (x-color-values "white")) 3))) | |
201 | 'dark) | |
202 | (t 'light))) | |
203 | "A symbol indicating the Emacs background brightness. | |
204 | The symbol should be one of `light' or `dark'. | |
205 | If Emacs guesses this frame attribute wrongly, either set this variable in | |
206 | your `~/.emacs' or set the resource `Emacs.backgroundMode' in your | |
207 | `~/.Xdefaults'. | |
208 | See also `gnus-display-type'. | |
209 | ||
210 | This is a meta-variable that will affect what default values other | |
211 | variables get. You would normally not change this variable, but | |
212 | pounce directly on the real variables themselves.") | |
213 | ||
214 | ||
215 | (defun gnus-install-mouse-tracker () | |
216 | (require 'mode-motion) | |
217 | (setq mode-motion-hook 'mode-motion-highlight-line))) | |
218 | ||
219 | ((and (not (string-match "28.9" emacs-version)) | |
220 | (not (string-match "29" emacs-version))) | |
221 | ;; Remove the `intangible' prop. | |
222 | (let ((props (and (boundp 'gnus-hidden-properties) | |
223 | gnus-hidden-properties))) | |
224 | (while (and props (not (eq (car (cdr props)) 'intangible))) | |
225 | (setq props (cdr props))) | |
226 | (and props (setcdr props (cdr (cdr (cdr props)))))) | |
227 | (or (fboundp 'buffer-substring-no-properties) | |
228 | (defun buffer-substring-no-properties (beg end) | |
229 | (format "%s" (buffer-substring beg end))))) | |
230 | ||
231 | ((boundp 'MULE) | |
232 | (provide 'gnusutil)) | |
233 | ||
234 | ))) | |
235 | ||
236 | (eval-and-compile | |
237 | (cond | |
238 | ((not window-system) | |
239 | (defun gnus-dummy-func (&rest args)) | |
240 | (let ((funcs '(mouse-set-point set-face-foreground | |
241 | set-face-background x-popup-menu))) | |
242 | (while funcs | |
243 | (or (fboundp (car funcs)) | |
244 | (fset (car funcs) 'gnus-dummy-func)) | |
245 | (setq funcs (cdr funcs)))))) | |
246 | (or (fboundp 'file-regular-p) | |
247 | (defun file-regular-p (file) | |
248 | (and (not (file-directory-p file)) | |
249 | (not (file-symlink-p file)) | |
250 | (file-exists-p file)))) | |
251 | (or (fboundp 'face-list) | |
252 | (defun face-list (&rest args))) | |
253 | ) | |
254 | ||
255 | (defun gnus-highlight-selected-summary-xemacs () | |
256 | ;; Highlight selected article in summary buffer | |
257 | (if gnus-summary-selected-face | |
258 | (progn | |
259 | (if gnus-newsgroup-selected-overlay | |
260 | (delete-extent gnus-newsgroup-selected-overlay)) | |
261 | (setq gnus-newsgroup-selected-overlay | |
262 | (make-extent (gnus-point-at-bol) (gnus-point-at-eol))) | |
263 | (set-extent-face gnus-newsgroup-selected-overlay | |
264 | gnus-summary-selected-face)))) | |
265 | ||
266 | (defun gnus-summary-recenter-xemacs () | |
267 | (let* ((top (cond ((< (window-height) 4) 0) | |
268 | ((< (window-height) 7) 1) | |
269 | (t 2))) | |
270 | (height (- (window-height) 2)) | |
271 | (bottom (save-excursion (goto-char (point-max)) | |
272 | (forward-line (- height)) | |
273 | (point))) | |
274 | (window (get-buffer-window (current-buffer)))) | |
275 | (and | |
276 | ;; The user has to want it, | |
277 | gnus-auto-center-summary | |
278 | ;; the article buffer must be displayed, | |
279 | (get-buffer-window gnus-article-buffer) | |
280 | ;; Set the window start to either `bottom', which is the biggest | |
281 | ;; possible valid number, or the second line from the top, | |
282 | ;; whichever is the least. | |
283 | (set-window-start | |
284 | window (min bottom (save-excursion (forward-line (- top)) | |
285 | (point))))))) | |
286 | ||
287 | (defun gnus-group-insert-group-line-info-xemacs (group) | |
288 | (let ((entry (gnus-gethash group gnus-newsrc-hashtb)) | |
289 | (beg (point)) | |
290 | active info) | |
291 | (if entry | |
292 | (progn | |
293 | (setq info (nth 2 entry)) | |
294 | (gnus-group-insert-group-line | |
295 | nil group (nth 1 info) (nth 3 info) (car entry) (nth 4 info))) | |
296 | (setq active (gnus-gethash group gnus-active-hashtb)) | |
297 | ||
298 | (gnus-group-insert-group-line | |
299 | nil group (if (member group gnus-zombie-list) gnus-level-zombie | |
300 | gnus-level-killed) | |
301 | nil (if active (- (1+ (cdr active)) (car active)) 0) nil)) | |
302 | (save-excursion | |
303 | (goto-char beg) | |
304 | (remove-text-properties | |
305 | (1+ (gnus-point-at-bol)) (1+ (gnus-point-at-eol)) | |
306 | '(gnus-group nil))))) | |
307 | ||
308 | (defun gnus-summary-refer-article-xemacs (message-id) | |
309 | "Refer article specified by MESSAGE-ID. | |
310 | NOTE: This command only works with newsgroups that use real or simulated NNTP." | |
311 | (interactive "sMessage-ID: ") | |
312 | (if (or (not (stringp message-id)) | |
313 | (zerop (length message-id))) | |
314 | () | |
315 | ;; Construct the correct Message-ID if necessary. | |
316 | ;; Suggested by tale@pawl.rpi.edu. | |
317 | (or (string-match "^<" message-id) | |
318 | (setq message-id (concat "<" message-id))) | |
319 | (or (string-match ">$" message-id) | |
320 | (setq message-id (concat message-id ">"))) | |
321 | (let ((header (car (gnus-gethash (downcase message-id) | |
322 | gnus-newsgroup-dependencies)))) | |
323 | (if header | |
324 | (or (gnus-summary-goto-article (mail-header-number header)) | |
325 | ;; The header has been read, but the article had been | |
326 | ;; expunged, so we insert it again. | |
327 | (let ((beg (point))) | |
328 | (gnus-summary-insert-line | |
329 | nil header 0 nil gnus-read-mark nil nil | |
330 | (mail-header-subject header)) | |
331 | (save-excursion | |
332 | (goto-char beg) | |
333 | (remove-text-properties | |
334 | (1+ (gnus-point-at-bol)) (1+ (gnus-point-at-eol)) | |
335 | '(gnus-number nil gnus-mark nil gnus-level nil))) | |
336 | (forward-line -1) | |
337 | (mail-header-number header))) | |
338 | (let ((gnus-override-method gnus-refer-article-method) | |
339 | (gnus-ancient-mark gnus-read-mark) | |
340 | (tmp-point (window-start | |
341 | (get-buffer-window gnus-article-buffer))) | |
342 | number tmp-buf) | |
343 | (and gnus-refer-article-method | |
344 | (gnus-check-server gnus-refer-article-method)) | |
345 | ;; Save the old article buffer. | |
346 | (save-excursion | |
347 | (set-buffer gnus-article-buffer) | |
348 | (gnus-kill-buffer " *temp Article*") | |
349 | (setq tmp-buf (rename-buffer " *temp Article*"))) | |
350 | (prog1 | |
351 | (if (gnus-article-prepare | |
352 | message-id nil (gnus-read-header message-id)) | |
353 | (progn | |
354 | (setq number (mail-header-number gnus-current-headers)) | |
355 | (gnus-rebuild-thread message-id) | |
356 | (gnus-summary-goto-subject number) | |
357 | (gnus-summary-recenter) | |
358 | (gnus-article-set-window-start | |
359 | (cdr (assq number gnus-newsgroup-bookmarks))) | |
360 | message-id) | |
361 | ;; We restore the old article buffer. | |
362 | (save-excursion | |
363 | (kill-buffer gnus-article-buffer) | |
364 | (set-buffer tmp-buf) | |
365 | (rename-buffer gnus-article-buffer) | |
366 | (let ((buffer-read-only nil)) | |
367 | (and tmp-point | |
368 | (set-window-start (get-buffer-window (current-buffer)) | |
369 | tmp-point))))))))))) | |
370 | ||
371 | (defun gnus-summary-insert-pseudos-xemacs (pslist &optional not-view) | |
372 | (let ((buffer-read-only nil) | |
373 | (article (gnus-summary-article-number)) | |
374 | b) | |
375 | (or (gnus-summary-goto-subject article) | |
f01d4b2d | 376 | (error "No such article: %d" article)) |
41487370 LMI |
377 | (or gnus-newsgroup-headers-hashtb-by-number |
378 | (gnus-make-headers-hashtable-by-number)) | |
379 | (gnus-summary-position-cursor) | |
380 | ;; If all commands are to be bunched up on one line, we collect | |
381 | ;; them here. | |
382 | (if gnus-view-pseudos-separately | |
383 | () | |
384 | (let ((ps (setq pslist (sort pslist 'gnus-pseudos<))) | |
385 | files action) | |
386 | (while ps | |
387 | (setq action (cdr (assq 'action (car ps)))) | |
388 | (setq files (list (cdr (assq 'name (car ps))))) | |
389 | (while (and ps (cdr ps) | |
390 | (string= (or action "1") | |
391 | (or (cdr (assq 'action (car (cdr ps)))) "2"))) | |
392 | (setq files (cons (cdr (assq 'name (car (cdr ps)))) files)) | |
393 | (setcdr ps (cdr (cdr ps)))) | |
394 | (if (not files) | |
395 | () | |
396 | (if (not (string-match "%s" action)) | |
397 | (setq files (cons " " files))) | |
398 | (setq files (cons " " files)) | |
399 | (and (assq 'execute (car ps)) | |
400 | (setcdr (assq 'execute (car ps)) | |
401 | (funcall (if (string-match "%s" action) | |
402 | 'format 'concat) | |
403 | action | |
404 | (mapconcat (lambda (f) f) files " "))))) | |
405 | (setq ps (cdr ps))))) | |
406 | (if (and gnus-view-pseudos (not not-view)) | |
407 | (while pslist | |
408 | (and (assq 'execute (car pslist)) | |
409 | (gnus-execute-command (cdr (assq 'execute (car pslist))) | |
410 | (eq gnus-view-pseudos 'not-confirm))) | |
411 | (setq pslist (cdr pslist))) | |
412 | (save-excursion | |
413 | (while pslist | |
414 | (gnus-summary-goto-subject (or (cdr (assq 'article (car pslist))) | |
415 | (gnus-summary-article-number))) | |
416 | (forward-line 1) | |
417 | (setq b (point)) | |
418 | (insert " " | |
419 | (file-name-nondirectory (cdr (assq 'name (car pslist)))) | |
420 | ": " (or (cdr (assq 'execute (car pslist))) "") "\n") | |
421 | (add-text-properties | |
422 | b (1+ b) (list 'gnus-number gnus-reffed-article-number | |
423 | 'gnus-mark gnus-unread-mark | |
424 | 'gnus-level 0 | |
425 | 'gnus-pseudo (car pslist))) | |
eac54d4c | 426 | ;; Fire-trucking XEmacs redisplay bug with truncated lines. |
41487370 LMI |
427 | (goto-char b) |
428 | (sit-for 0) | |
eac54d4c | 429 | ;; Grumble.. fire-trucking XEmacs stickiness of text properties. |
41487370 LMI |
430 | (remove-text-properties |
431 | (1+ b) (1+ (gnus-point-at-eol)) | |
432 | '(gnus-number nil gnus-mark nil gnus-level nil)) | |
433 | (forward-line -1) | |
434 | (gnus-sethash (int-to-string gnus-reffed-article-number) | |
435 | (car pslist) gnus-newsgroup-headers-hashtb-by-number) | |
436 | (setq gnus-reffed-article-number (1- gnus-reffed-article-number)) | |
437 | (setq pslist (cdr pslist))))))) | |
438 | ||
439 | ||
440 | (defun gnus-copy-article-buffer-xemacs (&optional article-buffer) | |
441 | (setq gnus-article-copy (get-buffer-create " *gnus article copy*")) | |
442 | (buffer-disable-undo gnus-article-copy) | |
443 | (or (memq gnus-article-copy gnus-buffer-list) | |
444 | (setq gnus-buffer-list (cons gnus-article-copy gnus-buffer-list))) | |
445 | (let ((article-buffer (or article-buffer gnus-article-buffer)) | |
446 | buf) | |
447 | (if (and (get-buffer article-buffer) | |
448 | (buffer-name (get-buffer article-buffer))) | |
449 | (save-excursion | |
450 | (set-buffer article-buffer) | |
451 | (widen) | |
452 | (setq buf (buffer-substring (point-min) (point-max))) | |
453 | (set-buffer gnus-article-copy) | |
454 | (erase-buffer) | |
455 | (insert (format "%s" buf)))))) | |
456 | ||
457 | (defun gnus-article-push-button-xemacs (event) | |
458 | "Check text under the mouse pointer for a callback function. | |
459 | If the text under the mouse pointer has a `gnus-callback' property, | |
460 | call it with the value of the `gnus-data' text property." | |
461 | (interactive "e") | |
462 | (set-buffer (window-buffer (event-window event))) | |
463 | (let* ((pos (event-closest-point event)) | |
464 | (data (get-text-property pos 'gnus-data)) | |
465 | (fun (get-text-property pos 'gnus-callback))) | |
466 | (if fun (funcall fun data)))) | |
467 | ||
468 | ;; Re-build the thread containing ID. | |
469 | (defun gnus-rebuild-thread-xemacs (id) | |
470 | (let ((dep gnus-newsgroup-dependencies) | |
471 | (buffer-read-only nil) | |
472 | parent headers refs thread art) | |
473 | (while (and id (setq headers | |
474 | (car (setq art (gnus-gethash (downcase id) | |
475 | dep))))) | |
476 | (setq parent art) | |
477 | (setq id (and (setq refs (mail-header-references headers)) | |
478 | (string-match "\\(<[^>]+>\\) *$" refs) | |
479 | (substring refs (match-beginning 1) (match-end 1))))) | |
480 | (setq thread (gnus-make-sub-thread (car parent))) | |
481 | (gnus-rebuild-remove-articles thread) | |
482 | (let ((beg (point))) | |
483 | (gnus-summary-prepare-threads (list thread) 0) | |
484 | (save-excursion | |
485 | (while (and (>= (point) beg) | |
486 | (not (bobp))) | |
487 | (or (eobp) | |
488 | (remove-text-properties | |
489 | (1+ (gnus-point-at-bol)) (1+ (gnus-point-at-eol)) | |
490 | '(gnus-number nil gnus-mark nil gnus-level nil))) | |
491 | (forward-line -1))) | |
492 | (gnus-summary-update-lines beg (point))))) | |
493 | ||
494 | ||
495 | ;; Fixed by Christopher Davis <ckd@loiosh.kei.com>. | |
496 | (defun gnus-article-add-button-xemacs (from to fun &optional data) | |
497 | "Create a button between FROM and TO with callback FUN and data DATA." | |
498 | (and gnus-article-button-face | |
499 | (gnus-overlay-put (gnus-make-overlay from to) 'face gnus-article-button-face)) | |
500 | (add-text-properties from to | |
501 | (append | |
502 | (and gnus-article-mouse-face | |
503 | (list 'mouse-face gnus-article-mouse-face)) | |
504 | (list 'gnus-callback fun) | |
505 | (and data (list 'gnus-data data)) | |
506 | (list 'highlight t)))) | |
507 | ||
508 | (defun gnus-window-top-edge-xemacs (&optional window) | |
509 | (nth 1 (window-pixel-edges window))) | |
510 | ||
511 | ;; Select the lowest window on the frame. | |
512 | (defun gnus-appt-select-lowest-window-xemacs () | |
513 | (let* ((lowest-window (selected-window)) | |
514 | (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges)))))) | |
515 | (last-window (previous-window)) | |
516 | (window-search t)) | |
517 | (while window-search | |
518 | (let* ((this-window (next-window)) | |
519 | (next-bottom-edge (car (cdr (cdr (cdr | |
520 | (window-pixel-edges | |
521 | this-window))))))) | |
522 | (if (< bottom-edge next-bottom-edge) | |
523 | (progn | |
524 | (setq bottom-edge next-bottom-edge) | |
525 | (setq lowest-window this-window))) | |
526 | ||
527 | (select-window this-window) | |
528 | (if (eq last-window this-window) | |
529 | (progn | |
530 | (select-window lowest-window) | |
531 | (setq window-search nil))))))) | |
532 | ||
533 | (defun gnus-ems-redefine () | |
534 | (cond | |
535 | ((string-match "XEmacs\\|Lucid" emacs-version) | |
536 | ;; XEmacs definitions. | |
537 | (fset 'gnus-mouse-face-function 'identity) | |
538 | (fset 'gnus-summary-make-display-table (lambda () nil)) | |
539 | (fset 'gnus-visual-turn-off-edit-menu 'identity) | |
540 | (fset 'gnus-highlight-selected-summary | |
541 | 'gnus-highlight-selected-summary-xemacs) | |
542 | (fset 'gnus-summary-recenter 'gnus-summary-recenter-xemacs) | |
543 | (fset 'gnus-group-insert-group-line-info | |
544 | 'gnus-group-insert-group-line-info-xemacs) | |
545 | (fset 'gnus-copy-article-buffer 'gnus-copy-article-buffer-xemacs) | |
546 | (fset 'gnus-summary-refer-article 'gnus-summary-refer-article-xemacs) | |
547 | (fset 'gnus-summary-insert-pseudos 'gnus-summary-insert-pseudos-xemacs) | |
548 | (fset 'gnus-article-push-button 'gnus-article-push-button-xemacs) | |
549 | (fset 'gnus-rebuild-thread 'gnus-rebuild-thread-xemacs) | |
550 | (fset 'gnus-article-add-button 'gnus-article-add-button-xemacs) | |
551 | (fset 'gnus-window-top-edge 'gnus-window-top-edge-xemacs) | |
552 | (fset 'set-text-properties 'gnus-set-text-properties-xemacs) | |
553 | ||
554 | (or (fboundp 'appt-select-lowest-window) | |
555 | (fset 'appt-select-lowest-window | |
556 | 'gnus-appt-select-lowest-window-xemacs)) | |
557 | ||
558 | (if (not gnus-visual) | |
559 | () | |
560 | (setq gnus-group-mode-hook | |
561 | (cons | |
562 | '(lambda () | |
563 | (easy-menu-add gnus-group-reading-menu) | |
564 | (easy-menu-add gnus-group-group-menu) | |
565 | (easy-menu-add gnus-group-misc-menu) | |
566 | (gnus-install-mouse-tracker)) | |
567 | gnus-group-mode-hook)) | |
568 | (setq gnus-summary-mode-hook | |
569 | (cons | |
570 | '(lambda () | |
571 | (easy-menu-add gnus-summary-article-menu) | |
572 | (easy-menu-add gnus-summary-thread-menu) | |
573 | (easy-menu-add gnus-summary-misc-menu) | |
574 | (easy-menu-add gnus-summary-post-menu) | |
575 | (easy-menu-add gnus-summary-kill-menu) | |
576 | (gnus-install-mouse-tracker)) | |
577 | gnus-summary-mode-hook)) | |
578 | (setq gnus-article-mode-hook | |
579 | (cons | |
580 | '(lambda () | |
581 | (easy-menu-add gnus-article-article-menu) | |
582 | (easy-menu-add gnus-article-treatment-menu)) | |
583 | gnus-article-mode-hook))) | |
584 | ||
585 | (defvar gnus-logo (make-glyph (make-specifier 'image))) | |
586 | ||
587 | (defun gnus-group-startup-xmessage (&optional x y) | |
588 | "Insert startup message in current buffer." | |
589 | ;; Insert the message. | |
590 | (erase-buffer) | |
591 | (if (featurep 'xpm) | |
592 | (progn | |
593 | (set-glyph-property gnus-logo 'image "~/tmp/gnus.xpm") | |
594 | (set-glyph-image gnus-logo "~/tmp/gnus.xpm" 'global 'x) | |
595 | ||
596 | (insert " ") | |
597 | (set-extent-begin-glyph (make-extent (point) (point)) gnus-logo) | |
598 | (insert " | |
599 | Gnus * A newsreader for Emacsen | |
600 | A Praxis Release * larsi@ifi.uio.no") | |
601 | (goto-char (point-min)) | |
602 | (while (not (eobp)) | |
603 | (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2) | |
604 | ? )) | |
605 | (forward-line 1)) | |
606 | (goto-char (point-min)) | |
607 | ;; +4 is fuzzy factor. | |
608 | (insert-char ?\n (/ (max (- (window-height) (or y 24)) 0) 2))) | |
609 | ||
610 | (insert | |
611 | (format " | |
612 | %s | |
613 | A newsreader | |
614 | for GNU Emacs | |
615 | ||
616 | Based on GNUS | |
617 | written by | |
618 | Masanobu UMEDA | |
619 | ||
620 | A Praxis Release | |
621 | larsi@ifi.uio.no | |
622 | " | |
623 | gnus-version)) | |
624 | ;; And then hack it. | |
625 | ;; 18 is the longest line. | |
626 | (indent-rigidly (point-min) (point-max) | |
627 | (/ (max (- (window-width) (or x 28)) 0) 2)) | |
628 | (goto-char (point-min)) | |
629 | ;; +4 is fuzzy factor. | |
630 | (insert-char ?\n (/ (max (- (window-height) (or y 12)) 0) 2))) | |
631 | ||
632 | ;; Fontify some. | |
633 | (goto-char (point-min)) | |
634 | (search-forward "Praxis") | |
635 | (put-text-property (match-beginning 0) (match-end 0) 'face 'bold) | |
636 | (goto-char (point-min))) | |
637 | ||
638 | ||
639 | ||
640 | ) | |
641 | ||
642 | ((boundp 'MULE) | |
643 | ;; Mule definitions | |
644 | (if (not (fboundp 'truncate-string)) | |
645 | (defun truncate-string (str width) | |
646 | (let ((w (string-width str)) | |
647 | (col 0) (idx 0) (p-idx 0) chr) | |
648 | (if (<= w width) | |
649 | str | |
650 | (while (< col width) | |
651 | (setq chr (aref str idx) | |
652 | col (+ col (char-width chr)) | |
653 | p-idx idx | |
654 | idx (+ idx (char-bytes chr)) | |
655 | )) | |
656 | (substring str 0 (if (= col width) | |
657 | idx | |
658 | p-idx)) | |
659 | ))) | |
660 | ) | |
661 | (defalias 'gnus-truncate-string 'truncate-string) | |
662 | ||
663 | (defun gnus-cite-add-face (number prefix face) | |
664 | ;; At line NUMBER, ignore PREFIX and add FACE to the rest of the line. | |
665 | (if face | |
666 | (let ((inhibit-point-motion-hooks t) | |
667 | from to) | |
668 | (goto-line number) | |
669 | (if (boundp 'MULE) | |
670 | (forward-char (chars-in-string prefix)) | |
671 | (forward-char (length prefix))) | |
672 | (skip-chars-forward " \t") | |
673 | (setq from (point)) | |
674 | (end-of-line 1) | |
675 | (skip-chars-backward " \t") | |
676 | (setq to (point)) | |
677 | (if (< from to) | |
678 | (gnus-overlay-put (gnus-make-overlay from to) 'face face))))) | |
679 | ||
680 | (defun gnus-max-width-function (el max-width) | |
681 | (` (let* ((val (eval (, el))) | |
682 | (valstr (if (numberp val) | |
683 | (int-to-string val) val))) | |
684 | (if (> (length valstr) (, max-width)) | |
685 | (truncate-string valstr (, max-width)) | |
686 | valstr)))) | |
687 | ||
688 | (fset 'gnus-summary-make-display-table (lambda () nil)) | |
689 | ||
690 | (if (boundp 'gnus-check-before-posting) | |
691 | (setq gnus-check-before-posting | |
692 | (delq 'long-lines | |
693 | (delq 'control-chars gnus-check-before-posting))) | |
694 | ) | |
695 | ) | |
696 | )) | |
697 | ||
698 | (provide 'gnus-ems) | |
699 | ||
700 | ;; Local Variables: | |
701 | ;; byte-compile-warnings: '(redefine callargs) | |
702 | ;; End: | |
703 | ||
704 | ;;; gnus-ems.el ends here |