1 ;;; gnus-xmas.el --- Gnus functions for XEmacs
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 ;; Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
32 (autoload 'gnus-active "gnus" nil nil 'macro)
33 (autoload 'gnus-group-entry "gnus" nil nil 'macro)
34 (autoload 'gnus-info-level "gnus" nil nil 'macro)
35 (autoload 'gnus-info-marks "gnus" nil nil 'macro)
36 (autoload 'gnus-info-method "gnus" nil nil 'macro)
37 (autoload 'gnus-info-score "gnus" nil nil 'macro))
40 (defvar menu-bar-mode (featurep 'menubar))
41 (require 'messagexmas)
44 (defgroup gnus-xmas nil
45 "XEmacsoid support for Gnus"
48 (defcustom gnus-xmas-glyph-directory nil
49 "Directory where Gnus logos and icons are located.
50 If this variable is nil, Gnus will try to locate the directory
52 :type '(choice (const :tag "autodetect" nil)
56 (unless gnus-xmas-glyph-directory
57 (unless (setq gnus-xmas-glyph-directory
58 (message-xmas-find-glyph-directory "gnus"))
59 (error "Can't find glyph directory. \
60 Possibly the `etc' directory has not been installed.")))
62 ;;; Internal variables.
64 ;; Don't warn about these undefined variables.
67 (defvar gnus-active-hashtb)
68 (defvar gnus-article-buffer)
69 (defvar gnus-auto-center-summary)
70 (defvar gnus-current-headers)
71 (defvar gnus-level-killed)
72 (defvar gnus-level-zombie)
73 (defvar gnus-newsgroup-bookmarks)
74 (defvar gnus-newsgroup-dependencies)
75 (defvar gnus-newsgroup-selected-overlay)
76 (defvar gnus-newsrc-hashtb)
77 (defvar gnus-read-mark)
78 (defvar gnus-refer-article-method)
79 (defvar gnus-reffed-article-number)
80 (defvar gnus-unread-mark)
82 (defvar gnus-view-pseudos)
83 (defvar gnus-view-pseudos-separately)
85 (defvar gnus-zombie-list)
86 ;;defined in gnus-msg.el
87 (defvar gnus-article-copy)
88 (defvar gnus-check-before-posting)
89 ;;defined in gnus-vis.el
90 (defvar gnus-article-button-face)
91 (defvar gnus-article-mouse-face)
92 (defvar gnus-summary-selected-face)
93 (defvar gnus-group-reading-menu)
94 (defvar gnus-group-group-menu)
95 (defvar gnus-group-misc-menu)
96 (defvar gnus-summary-article-menu)
97 (defvar gnus-summary-thread-menu)
98 (defvar gnus-summary-misc-menu)
99 (defvar gnus-summary-post-menu)
100 (defvar gnus-summary-kill-menu)
101 (defvar gnus-article-article-menu)
102 (defvar gnus-article-treatment-menu)
103 (defvar gnus-mouse-2)
104 (defvar standard-display-table)
105 (defvar gnus-tree-minimize-window)
107 (defun gnus-xmas-set-text-properties (start end props &optional buffer)
108 "You should NEVER use this function. It is ideologically blasphemous.
109 It is provided only to ease porting of broken FSF Emacs programs."
112 (map-extents (lambda (extent ignored)
113 (remove-text-properties
115 (list (extent-property extent 'text-prop) nil)
118 buffer start end nil nil 'text-prop)
119 (gnus-add-text-properties start end props buffer)))
121 (defun gnus-xmas-highlight-selected-summary ()
122 ;; Highlight selected article in summary buffer
123 (when gnus-summary-selected-face
124 (when gnus-newsgroup-selected-overlay
125 (delete-extent gnus-newsgroup-selected-overlay))
126 (setq gnus-newsgroup-selected-overlay
127 (make-extent (gnus-point-at-bol) (gnus-point-at-eol)))
128 (set-extent-face gnus-newsgroup-selected-overlay
129 gnus-summary-selected-face)))
131 (defcustom gnus-xmas-force-redisplay nil
132 "*If non-nil, force a redisplay before recentering the summary buffer.
133 This is ugly, but it works around a bug in `window-displayed-height'."
137 (defun gnus-xmas-switch-horizontal-scrollbar-off ()
138 (when (featurep 'scrollbar)
139 (set-specifier scrollbar-height (cons (current-buffer) 0))))
141 (defun gnus-xmas-summary-recenter ()
142 "\"Center\" point in the summary window.
143 If `gnus-auto-center-summary' is nil, or the article buffer isn't
144 displayed, no centering will be performed."
145 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
146 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
147 ;; Force redisplay to get properly computed window height.
148 (when gnus-xmas-force-redisplay
150 (when gnus-auto-center-summary
151 (let* ((height (if (fboundp 'window-displayed-height)
152 (window-displayed-height)
153 (- (window-height) 2)))
154 (top (cond ((< height 4) 0)
156 (t (if (numberp gnus-auto-center-summary)
157 gnus-auto-center-summary
159 (bottom (save-excursion (goto-char (point-max))
160 (forward-line (- height))
162 (window (get-buffer-window (current-buffer))))
163 (when (get-buffer-window gnus-article-buffer)
164 ;; Only do recentering when the article buffer is displayed,
165 ;; Set the window start to either `bottom', which is the biggest
166 ;; possible valid number, or the second line from the top,
167 ;; whichever is the least.
168 ;; NOFORCE parameter suggested by Daniel Pittman <daniel@danann.net>.
170 window (min bottom (save-excursion (forward-line (- top)) (point)))
172 ;; Do horizontal recentering while we're at it.
173 (when (and (get-buffer-window (current-buffer) t)
174 (not (eq gnus-auto-center-summary 'vertical)))
175 (let ((selected (selected-window)))
176 (select-window (get-buffer-window (current-buffer) t))
177 (gnus-summary-position-point)
178 (gnus-horizontal-recenter)
179 (select-window selected))))))
181 (defun gnus-xmas-summary-set-display-table ()
182 ;; Setup the display table -- like `gnus-summary-setup-display-table',
183 ;; but done in an XEmacsish way.
184 (let ((table (make-display-table))
186 ;; Nix out all the control chars...
187 (while (>= (setq i (1- i)) 0)
189 ;; ... but not newline and cr, of course. (cr is necessary for the
190 ;; selective display).
193 ;; We keep TAB as well.
195 ;; We nix out any glyphs over 126 below ctl-arrow.
196 (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
197 (while (>= (setq i (1- i)) 127)
198 (unless (aref table i)
199 (aset table i [??]))))
200 ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
201 (add-spec-to-specifier current-display-table table (current-buffer) nil)))
203 (defun gnus-xmas-add-text-properties (start end props &optional object)
204 (add-text-properties start end props object)
205 (put-text-property start end 'start-closed nil object))
207 (defun gnus-xmas-put-text-property (start end prop value &optional object)
208 (put-text-property start end prop value object)
209 (put-text-property start end 'start-closed nil object))
211 (defun gnus-xmas-extent-start-open (point)
212 (map-extents (lambda (extent arg)
213 (set-extent-property extent 'start-open t))
214 nil point (min (1+ (point)) (point-max))))
216 (defun gnus-xmas-article-push-button (event)
217 "Check text under the mouse pointer for a callback function.
218 If the text under the mouse pointer has a `gnus-callback' property,
219 call it with the value of the `gnus-data' text property."
221 (set-buffer (window-buffer (event-window event)))
222 (let* ((pos (event-closest-point event))
223 (data (get-text-property pos 'gnus-data))
224 (fun (get-text-property pos 'gnus-callback)))
227 (funcall fun data))))
229 (defun gnus-xmas-move-overlay (extent start end &optional buffer)
230 (set-extent-endpoints extent start end buffer))
232 (defun gnus-xmas-kill-all-overlays ()
233 "Delete all extents in the current buffer."
234 (map-extents (lambda (extent ignore)
235 (delete-extent extent)
238 (defun gnus-xmas-window-top-edge (&optional window)
239 (nth 1 (window-pixel-edges window)))
241 (defun gnus-xmas-tree-minimize ()
242 (when (and gnus-tree-minimize-window
243 (not (one-window-p)))
244 (let* ((window-min-height 2)
245 (height (1+ (count-lines (point-min) (point-max))))
246 (min (max (1- window-min-height) height))
247 (tot (if (numberp gnus-tree-minimize-window)
248 (min gnus-tree-minimize-window min)
250 (win (get-buffer-window (current-buffer)))
251 (wh (and win (1- (window-height win)))))
254 (let ((selected (selected-window)))
256 (enlarge-window (- tot wh))
257 (select-window selected))))))
259 ;; Select the lowest window on the frame.
260 (defun gnus-xmas-appt-select-lowest-window ()
261 (let* ((lowest-window (selected-window))
262 (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges))))))
263 (last-window (previous-window))
266 (let* ((this-window (next-window))
267 (next-bottom-edge (car (cdr (cdr (cdr
270 (when (< bottom-edge next-bottom-edge)
271 (setq bottom-edge next-bottom-edge)
272 (setq lowest-window this-window))
274 (select-window this-window)
275 (when (eq last-window this-window)
276 (select-window lowest-window)
277 (setq window-search nil))))))
279 (defmacro gnus-xmas-menu-add (type &rest menus)
280 `(gnus-xmas-menu-add-1 ',type ',menus))
281 (put 'gnus-xmas-menu-add 'lisp-indent-function 1)
283 (defun gnus-xmas-menu-add-1 (type menus)
284 (when (and menu-bar-mode
285 (gnus-visual-p (intern (format "%s-menu" type)) 'menu))
287 (easy-menu-add (symbol-value (pop menus))))))
289 (defun gnus-xmas-group-menu-add ()
290 (gnus-xmas-menu-add group
291 gnus-group-reading-menu gnus-group-group-menu gnus-group-misc-menu))
293 (defun gnus-xmas-summary-menu-add ()
294 (gnus-xmas-menu-add summary
295 gnus-summary-misc-menu gnus-summary-kill-menu
296 gnus-summary-article-menu gnus-summary-thread-menu
297 gnus-summary-post-menu ))
299 (defun gnus-xmas-article-menu-add ()
300 (gnus-xmas-menu-add article
301 gnus-article-article-menu gnus-article-treatment-menu
302 gnus-article-post-menu gnus-article-commands-menu))
304 (defun gnus-xmas-score-menu-add ()
305 (gnus-xmas-menu-add score
308 (defun gnus-xmas-pick-menu-add ()
309 (gnus-xmas-menu-add pick
312 (defun gnus-xmas-topic-menu-add ()
313 (gnus-xmas-menu-add topic
316 (defun gnus-xmas-binary-menu-add ()
317 (gnus-xmas-menu-add binary
320 (defun gnus-xmas-agent-summary-menu-add ()
321 (gnus-xmas-menu-add agent-summary
322 gnus-agent-summary-menu))
324 (defun gnus-xmas-agent-group-menu-add ()
325 (gnus-xmas-menu-add agent-group
326 gnus-agent-group-menu))
328 (defun gnus-xmas-agent-server-menu-add ()
329 (gnus-xmas-menu-add agent-server
330 gnus-agent-server-menu))
332 (defun gnus-xmas-tree-menu-add ()
333 (gnus-xmas-menu-add tree
336 (defun gnus-xmas-draft-menu-add ()
337 (gnus-xmas-menu-add draft
340 (defun gnus-xmas-server-menu-add ()
341 (gnus-xmas-menu-add menu
342 gnus-server-server-menu gnus-server-connections-menu))
344 (defun gnus-xmas-browse-menu-add ()
345 (gnus-xmas-menu-add browse
348 (defun gnus-xmas-grouplens-menu-add ()
349 (gnus-xmas-menu-add grouplens
350 gnus-grouplens-menu))
352 (defun gnus-xmas-read-event-char (&optional prompt)
353 "Get the next event."
355 (message "%s" prompt))
356 (let ((event (next-command-event)))
358 ;; We junk all non-key events. Is this naughty?
359 (while (not (or (key-press-event-p event)
360 (button-press-event-p event)))
361 (dispatch-event event)
362 (setq event (next-command-event)))
363 (cons (and (key-press-event-p event)
364 (event-to-character event))
367 (defun gnus-xmas-define ()
368 (setq gnus-mouse-2 [button2])
369 (setq gnus-mouse-3 [button3])
370 (setq gnus-widget-button-keymap widget-button-keymap)
372 (unless (memq 'underline (face-list))
373 (and (fboundp 'make-face)
374 (funcall (intern "make-face") 'underline)))
375 ;; Must avoid calling set-face-underline-p directly, because it
376 ;; is a defsubst in emacs19, and will make the .elc files non
378 (unless (face-differs-from-default-p 'underline)
379 (funcall (intern "set-face-underline-p") 'underline t))
382 ((fboundp 'char-or-char-int-p)
383 ;; Handle both types of marks for XEmacs-20.x.
384 (defalias 'gnus-characterp 'char-or-char-int-p))
385 ;; V19 of XEmacs, probably.
387 (defalias 'gnus-characterp 'characterp)))
389 (defalias 'gnus-make-overlay 'make-extent)
390 (defalias 'gnus-delete-overlay 'delete-extent)
391 (defalias 'gnus-overlay-put 'set-extent-property)
392 (defalias 'gnus-move-overlay 'gnus-xmas-move-overlay)
393 (defalias 'gnus-overlay-buffer 'extent-object)
394 (defalias 'gnus-overlay-start 'extent-start-position)
395 (defalias 'gnus-overlay-end 'extent-end-position)
396 (defalias 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
397 (defalias 'gnus-extent-detached-p 'extent-detached-p)
398 (defalias 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
399 (defalias 'gnus-put-text-property 'gnus-xmas-put-text-property)
400 (defalias 'gnus-deactivate-mark 'ignore)
401 (defalias 'gnus-window-edges 'window-pixel-edges)
402 (defalias 'gnus-assq-delete-all 'gnus-xmas-assq-delete-all)
404 (if (and (<= emacs-major-version 19)
405 (< emacs-minor-version 14))
406 (defalias 'gnus-set-text-properties 'gnus-xmas-set-text-properties))
408 (unless (boundp 'standard-display-table)
409 (setq standard-display-table nil))
411 (defvar gnus-mouse-face-prop 'highlight)
413 (defun gnus-byte-code (func)
414 "Return a form that can be `eval'ed based on FUNC."
415 (let ((fval (indirect-function func)))
416 (if (compiled-function-p fval)
418 (cons 'progn (cdr (cdr fval))))))
420 (defalias 'gnus-x-color-values
421 (if (fboundp 'x-color-values)
424 (color-instance-rgb-components
425 (make-color-instance color))))))
427 (defun gnus-xmas-redefine ()
428 "Redefine lots of Gnus functions for XEmacs."
429 (defalias 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
430 (defalias 'gnus-visual-turn-off-edit-menu 'identity)
431 (defalias 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
432 (defalias 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
433 (defalias 'gnus-article-push-button 'gnus-xmas-article-push-button)
434 (defalias 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
435 (defalias 'gnus-read-event-char 'gnus-xmas-read-event-char)
436 (defalias 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
437 (defalias 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
438 (defalias 'gnus-appt-select-lowest-window
439 'gnus-xmas-appt-select-lowest-window)
440 (defalias 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
441 (defalias 'gnus-character-to-event 'character-to-event)
442 (defalias 'gnus-mode-line-buffer-identification
443 'gnus-xmas-mode-line-buffer-identification)
444 (defalias 'gnus-key-press-event-p 'key-press-event-p)
445 (defalias 'gnus-region-active-p 'region-active-p)
446 (defalias 'gnus-mark-active-p 'region-exists-p)
447 (defalias 'gnus-annotation-in-region-p 'gnus-xmas-annotation-in-region-p)
448 (defalias 'gnus-mime-button-menu 'gnus-xmas-mime-button-menu)
449 (defalias 'gnus-image-type-available-p 'gnus-xmas-image-type-available-p)
450 (defalias 'gnus-put-image 'gnus-xmas-put-image)
451 (defalias 'gnus-create-image 'gnus-xmas-create-image)
452 (defalias 'gnus-remove-image 'gnus-xmas-remove-image)
454 (when (or (< emacs-major-version 21)
455 (and (= emacs-major-version 21)
456 (< emacs-minor-version 3)))
457 (defalias 'gnus-completing-read 'gnus-xmas-completing-read))
459 ;; These ones are not defcutom'ed, sometimes not even defvar'ed. They
460 ;; probably should. If that is done, the code below should then be moved
461 ;; where each variable is defined, in order not to mess with user settings.
463 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
464 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
465 (add-hook 'gnus-grouplens-mode-hook 'gnus-xmas-grouplens-menu-add)
466 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
467 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
468 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
469 (add-hook 'gnus-mailing-list-mode-hook 'gnus-xmas-mailing-list-menu-add)
471 (when (featurep 'mule)
472 (defun gnus-truncate-string (str end-column &optional start-column padding)
473 "Truncate string STR to end at column END-COLUMN.
474 The optional 2nd arg START-COLUMN, if non-nil, specifies
475 the starting column; that means to return the characters occupying
476 columns START-COLUMN ... END-COLUMN of STR.
478 The optional 3rd arg PADDING, if non-nil, specifies a padding character
479 to add at the end of the result if STR doesn't reach column END-COLUMN,
480 or if END-COLUMN comes in the middle of a character in STR.
481 PADDING is also added at the beginning of the result
482 if column START-COLUMN appears in the middle of a character in STR.
484 If PADDING is nil, no padding is added in these cases, so
485 the resulting string may be narrower than END-COLUMN.
486 \[Emacs 20.3 emulating function]"
488 (setq start-column 0))
489 (let ((len (length str))
492 (head-padding "") (tail-padding "")
493 ch last-column last-idx from-idx)
495 (while (< column start-column)
496 (setq ch (aref str idx)
497 column (+ column (char-width ch))
499 (args-out-of-range (setq idx len)))
500 (if (< column start-column)
501 (if padding (make-string end-column padding) "")
502 (if (and padding (> column start-column))
504 (make-string (- column start-column) padding)))
506 (if (< end-column column)
509 (while (< column end-column)
510 (setq last-column column
513 column (+ column (char-width ch))
515 (args-out-of-range (setq idx len)))
516 (if (> column end-column)
517 (setq column last-column idx last-idx))
518 (if (and padding (< column end-column))
520 (make-string (- end-column column) padding))))
521 (setq str (substring str from-idx idx))
523 (concat head-padding str tail-padding)
526 ;;; XEmacs logo and toolbar.
528 (defun gnus-xmas-group-startup-message (&optional x y)
529 "Insert startup message in current buffer."
530 ;; Insert the message.
533 ((and (console-on-window-system-p)
536 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
537 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
539 (cond ((featurep 'xpm)
543 (("thing" . ,(car gnus-logo-colors))
544 ("shadow" . ,(cadr gnus-logo-colors))
546 ("background" . ,(face-background 'default)))])
548 `[xbm :file ,logo-xbm])
550 (wpheight (window-pixel-height))
551 (rest (max 0 (1- (/ (* (- wpheight (glyph-height glyph))
555 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
556 (goto-char (point-min))
558 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
561 (setq gnus-simple-splash nil)
562 (goto-char (point-min))
563 (insert gnus-product-name " " gnus-version-number
564 (if (zerop (string-to-number gnus-revision-number))
566 (concat " (r" gnus-revision-number ")"))
567 " based on " gnus-original-product-name " v"
568 gnus-original-version-number "\n")
570 (put-text-property (point-min) (point) 'face 'gnus-splash-face)
571 (insert-char ?\ (prog1
572 (max 0 (/ (- (window-width) (point)) 2))
573 (goto-char (point-min))))
575 (insert-char ?\n rest)
576 (set-window-start (selected-window) (point-min))))
580 _ ___ __ ___ __ _ ___
599 (goto-char (point-min))
600 (insert gnus-product-name " " gnus-version-number
601 (if (zerop (string-to-number gnus-revision-number))
603 (concat " (r" gnus-revision-number ")"))
604 " based on " gnus-original-product-name " v"
605 gnus-original-version-number)
606 (insert-char ?\ (prog1
607 (max 0 (/ (- (window-width) (point)) 2))
608 (goto-char (point-min))))
611 (gnus-indent-rigidly (point) (point-max)
612 (/ (max (- (window-width) (or x 46)) 0) 2))
613 (goto-char (point-min))
615 (let* ((pheight (count-lines (point-min) (point-max)))
616 (wheight (window-height))
617 (rest (- wheight pheight)))
618 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
620 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)))
621 (goto-char (point-min))
622 (setq modeline-buffer-identification
623 (list (concat gnus-version ": *Group*")))
624 (set-buffer-modified-p t))
629 (defcustom gnus-use-toolbar (if (featurep 'toolbar)
632 "*If nil, do not use a toolbar.
633 If it is non-nil, it must be a toolbar. The five valid values are
634 `default-toolbar', `top-toolbar', `bottom-toolbar',
635 `right-toolbar', and `left-toolbar'."
636 :type '(choice (const default-toolbar)
637 (const top-toolbar) (const bottom-toolbar)
638 (const left-toolbar) (const right-toolbar)
639 (const :tag "no toolbar" nil))
642 (defvar gnus-group-toolbar
643 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
644 [gnus-group-get-new-news-this-group
645 gnus-group-get-new-news-this-group t "Get new news in this group"]
646 [gnus-group-catchup-current
647 gnus-group-catchup-current t "Catchup group"]
648 [gnus-group-describe-group
649 gnus-group-describe-group t "Describe group"]
650 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
651 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
652 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
653 [gnus-summary-mail-save
654 gnus-group-save-newsrc t "Save .newsrc files"] ; borrowed icon.
655 [gnus-group-exit gnus-group-exit t "Exit Gnus"])
656 "The group buffer toolbar.")
658 (defvar gnus-summary-toolbar
659 '([gnus-summary-prev-unread
660 gnus-summary-prev-page-or-article t "Page up"]
661 [gnus-summary-next-unread
662 gnus-summary-next-page t "Page down"]
663 [gnus-summary-post-news
664 gnus-summary-post-news t "Post an article"]
665 [gnus-summary-followup-with-original
666 gnus-summary-followup-with-original t
667 "Post a followup and yank the original"]
668 [gnus-summary-followup
669 gnus-summary-followup t "Post a followup"]
670 [gnus-summary-reply-with-original
671 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
673 gnus-summary-reply t "Mail a reply"]
674 [gnus-summary-caesar-message
675 gnus-summary-caesar-message t "Rot 13"]
677 gnus-uu-decode-uu t "Decode uuencoded articles"]
678 [gnus-summary-save-article-file
679 gnus-summary-save-article-file t "Save article in file"]
680 [gnus-summary-save-article
681 gnus-summary-save-article t "Save article"]
683 gnus-uu-post-news t "Post a uuencoded article"]
684 [gnus-summary-cancel-article
685 gnus-summary-cancel-article t "Cancel article"]
686 [gnus-summary-catchup
687 gnus-summary-catchup t "Catchup"]
688 [gnus-summary-catchup-and-exit
689 gnus-summary-catchup-and-exit t "Catchup and exit"]
690 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
691 "The summary buffer toolbar.")
693 (defvar gnus-summary-mail-toolbar
695 [gnus-summary-prev-unread
696 gnus-summary-prev-unread-article t "Prev unread article"]
697 [gnus-summary-next-unread
698 gnus-summary-next-unread-article t "Next unread article"]
699 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
700 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
701 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
702 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
703 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
704 [gnus-summary-caesar-message
705 gnus-summary-caesar-message t "Rot 13"]
707 gnus-uu-decode-uu t "Decode uuencoded articles"]
708 [gnus-summary-save-article-file
709 gnus-summary-save-article-file t "Save article in file"]
710 [gnus-summary-save-article
711 gnus-summary-save-article t "Save article"]
712 [gnus-summary-cancel-article ; usenet : cancellation :: mail : deletion.
713 gnus-summary-delete-article t "Delete message"]
714 [gnus-summary-catchup
715 gnus-summary-catchup t "Catchup"]
716 [gnus-summary-catchup-and-exit
717 gnus-summary-catchup-and-exit t "Catchup and exit"]
718 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
719 "The summary buffer mail toolbar.")
721 (defun gnus-xmas-setup-group-toolbar ()
722 (and gnus-use-toolbar
723 (message-xmas-setup-toolbar gnus-group-toolbar nil "gnus")
724 (set-specifier (symbol-value gnus-use-toolbar)
725 (cons (current-buffer) gnus-group-toolbar))))
727 (defun gnus-xmas-setup-summary-toolbar ()
728 (let ((bar (if (gnus-news-group-p gnus-newsgroup-name)
729 gnus-summary-toolbar gnus-summary-mail-toolbar)))
730 (and gnus-use-toolbar
731 (message-xmas-setup-toolbar bar nil "gnus")
732 (set-specifier (symbol-value gnus-use-toolbar)
733 (cons (current-buffer) bar)))))
735 (defun gnus-xmas-mail-strip-quoted-names (address)
736 "Protect mail-strip-quoted-names from nil input.
737 XEmacs compatibility workaround."
740 (mail-strip-quoted-names address)))
742 (defun gnus-xmas-call-region (command &rest args)
744 'call-process-region (point-min) (point-max) command t '(t nil) nil
747 (defvar gnus-xmas-modeline-left-extent
748 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
751 (defvar gnus-xmas-modeline-right-extent
752 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
755 (defvar gnus-xmas-modeline-glyph
757 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
758 gnus-xmas-glyph-directory))
759 (file-xbm (expand-file-name "gnus-pointer.xbm"
760 gnus-xmas-glyph-directory))
763 (cond ((featurep 'xpm)
764 ;; Let's try a nifty XPM
765 `[xpm :file ,file-xpm])
767 ;; Then a not-so-nifty XBM
768 `[xbm :file ,file-xbm])
769 ;; Then the simple string
770 (t [string :data "Gnus:"])))))
771 (set-glyph-face glyph 'modeline-buffer-id)
774 (defun gnus-xmas-mode-line-buffer-identification (line)
775 (let ((line (car line))
778 ;; This is some weird type of id.
779 ((not (stringp line))
781 ;; This is non-standard, so we just pass it through.
782 ((not (string-match "^Gnus:" line))
784 ;; We have a standard line, so we colorize and glyphize it a bit.
786 (setq chop (match-end 0))
788 (if gnus-xmas-modeline-glyph
789 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
790 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
791 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
793 (defun gnus-xmas-splash ()
794 (when (eq (device-type) 'x)
797 (defun gnus-xmas-annotation-in-region-p (b e)
798 (or (map-extents (lambda (e u) t) nil b e nil nil 'mm t)
800 (eq (cadr (memq 'gnus-undeletable (text-properties-at b))) t)
801 (text-property-any b e 'gnus-undeletable t))))
803 (defun gnus-xmas-mime-button-menu (event prefix)
804 "Construct a context-sensitive menu of MIME commands."
806 (let ((response (get-popup-menu-response
808 ,@(mapcar (lambda (c) `[,(caddr c) ,(car c) t])
809 gnus-mime-button-commands)))))
810 (set-buffer (event-buffer event))
811 (goto-char (event-point event))
812 (funcall (event-function response) (event-object response))))
814 (defun gnus-group-add-icon ()
815 "Add an icon to the current line according to `gnus-group-icon-list'."
817 (end (gnus-point-at-eol))
818 ;; now find out where the line starts and leave point there.
819 (beg (progn (beginning-of-line) (point))))
821 (narrow-to-region beg end)
823 (when (search-forward "==&&==" nil t)
824 (let* ((group (gnus-group-group-name))
825 (entry (gnus-group-entry group))
826 (unread (if (numberp (car entry)) (car entry) 0))
827 (active (gnus-active group))
828 (total (if active (1+ (- (cdr active) (car active))) 0))
830 (method (gnus-server-get-method group (gnus-info-method info)))
831 (marked (gnus-info-marks info))
832 (mailp (memq 'mail (assoc (symbol-name
833 (car (or method gnus-select-method)))
834 gnus-valid-select-methods)))
835 (level (or (gnus-info-level info) gnus-level-killed))
836 (score (or (gnus-info-score info) 0))
837 (ticked (gnus-range-length (cdr (assq 'tick marked))))
838 (group-age (gnus-group-timestamp-delta group))
839 (inhibit-read-only t)
840 (list gnus-group-icon-list)
841 (mystart (match-beginning 0))
842 (myend (match-end 0)))
843 (goto-char (point-min))
845 (not (eval (caar list))))
846 (setq list (cdr list)))
848 (let* ((file (cdar list))
849 (glyph (gnus-group-icon-create-glyph
850 (buffer-substring mystart myend)
854 (mapcar 'delete-annotation (annotations-at myend))
855 (let ((ext (make-extent mystart myend))
856 (ant (make-annotation glyph myend 'text)))
857 ;; set text extent params
858 (set-extent-property ext 'end-open t)
859 (set-extent-property ext 'start-open t)
860 (set-extent-property ext 'invisible t)))
861 (delete-region mystart myend)))
862 (delete-region mystart myend))))
866 (defun gnus-group-icon-create-glyph (substring pixmap)
867 "Create a glyph for insertion into a group line."
869 (cdr-safe (assoc pixmap gnus-group-icon-cache))
870 (let* ((glyph (make-glyph
873 (expand-file-name pixmap gnus-xmas-glyph-directory))
875 (expand-file-name pixmap gnus-xmas-glyph-directory))
876 (cons 'tty substring)))))
877 (setq gnus-group-icon-cache
878 (cons (cons pixmap glyph) gnus-group-icon-cache))
879 (set-glyph-face glyph 'default)
882 (defun gnus-xmas-mailing-list-menu-add ()
883 (gnus-xmas-menu-add mailing-list
884 gnus-mailing-list-menu))
886 (defun gnus-xmas-image-type-available-p (type)
888 (featurep (if (eq type 'pbm) 'xbm type))))
890 (defun gnus-xmas-create-image (file &optional type data-p &rest props)
893 (car (last (split-string file "[.]")))))
894 (face (plist-get props :face))
896 (when (equal type "pbm")
900 (insert-file-contents-literally file))
901 (shell-command-on-region (point-min) (point-max)
902 "ppmtoxpm 2>/dev/null" t)
903 (setq file (buffer-string)
907 (if (equal type "xbm")
908 (make-glyph (list (cons 'x file)))
912 (insert-file-contents-literally file))
916 (mm-image-type-from-buffer))
917 :data (buffer-string))))))
919 (set-glyph-face glyph face))
922 (defun gnus-xmas-put-image (glyph &optional string category)
923 "Insert STRING, but display GLYPH.
924 Warning: Don't insert text immediately after the image."
925 (let ((begin (point))
927 (if (and (bobp) (not string))
931 (setq begin (1- begin)))
932 (setq extent (make-extent begin (point)))
933 (set-extent-property extent 'gnus-image category)
934 (set-extent-property extent 'duplicable t)
936 (set-extent-property extent 'invisible t))
937 (set-extent-property extent 'end-glyph glyph))
940 (defun gnus-xmas-remove-image (image &optional category)
943 (when (equal (extent-end-glyph ext) image)
944 (set-extent-property ext 'invisible nil)
945 (set-extent-property ext 'end-glyph nil))
947 nil nil nil nil nil 'gnus-image category))
949 (defun gnus-xmas-completing-read (prompt table &optional
950 predicate require-match history)
952 (not (boundp history)))
955 (if (symbol-value history)
956 (concat prompt " (" (car (symbol-value history)) "): ")
957 (concat prompt ": "))
964 ;; This macro is because XEmacs versions prior to 21.2 do not have the
965 ;; PROTOCOL argument to `open-network-stream'.
966 (defmacro gnus-xmas-open-network-stream (name buffer host service &optional protocol)
967 "Like `open-network-stream' but take into account older XEmacs versions."
968 (if (and (featurep 'xemacs)
969 (fboundp 'open-network-stream)
970 (emacs-version>= 21 2))
971 `(open-network-stream ,name ,buffer ,host ,service ,protocol)
972 `(open-network-stream ,name ,buffer ,host ,service)))
974 (defun gnus-xmas-assq-delete-all (key alist)
976 (while (setq elem (assq key alist))
977 (setq alist (delq elem alist)))
982 ;;; gnus-xmas.el ends here