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)
43 (require 'run-at-time)
45 (defgroup gnus-xmas nil
46 "XEmacsoid support for Gnus"
49 (defcustom gnus-xmas-glyph-directory nil
50 "Directory where Gnus logos and icons are located.
51 If this variable is nil, Gnus will try to locate the directory
53 :type '(choice (const :tag "autodetect" nil)
57 (unless gnus-xmas-glyph-directory
58 (unless (setq gnus-xmas-glyph-directory
59 (message-xmas-find-glyph-directory "gnus"))
60 (error "Can't find glyph directory. \
61 Possibly the `etc' directory has not been installed.")))
63 ;;; Internal variables.
65 ;; Don't warn about these undefined variables.
68 (defvar gnus-active-hashtb)
69 (defvar gnus-article-buffer)
70 (defvar gnus-auto-center-summary)
71 (defvar gnus-current-headers)
72 (defvar gnus-level-killed)
73 (defvar gnus-level-zombie)
74 (defvar gnus-newsgroup-bookmarks)
75 (defvar gnus-newsgroup-dependencies)
76 (defvar gnus-newsgroup-selected-overlay)
77 (defvar gnus-newsrc-hashtb)
78 (defvar gnus-read-mark)
79 (defvar gnus-refer-article-method)
80 (defvar gnus-reffed-article-number)
81 (defvar gnus-unread-mark)
83 (defvar gnus-view-pseudos)
84 (defvar gnus-view-pseudos-separately)
86 (defvar gnus-zombie-list)
87 ;;defined in gnus-msg.el
88 (defvar gnus-article-copy)
89 (defvar gnus-check-before-posting)
90 ;;defined in gnus-vis.el
91 (defvar gnus-article-button-face)
92 (defvar gnus-article-mouse-face)
93 (defvar gnus-summary-selected-face)
94 (defvar gnus-group-reading-menu)
95 (defvar gnus-group-group-menu)
96 (defvar gnus-group-misc-menu)
97 (defvar gnus-summary-article-menu)
98 (defvar gnus-summary-thread-menu)
99 (defvar gnus-summary-misc-menu)
100 (defvar gnus-summary-post-menu)
101 (defvar gnus-summary-kill-menu)
102 (defvar gnus-article-article-menu)
103 (defvar gnus-article-treatment-menu)
104 (defvar gnus-mouse-2)
105 (defvar standard-display-table)
106 (defvar gnus-tree-minimize-window)
108 (defun gnus-xmas-highlight-selected-summary ()
109 ;; Highlight selected article in summary buffer
110 (when gnus-summary-selected-face
111 (when gnus-newsgroup-selected-overlay
112 (delete-extent gnus-newsgroup-selected-overlay))
113 (setq gnus-newsgroup-selected-overlay
114 (make-extent (point-at-bol) (point-at-eol)))
115 (set-extent-face gnus-newsgroup-selected-overlay
116 gnus-summary-selected-face)))
118 (defcustom gnus-xmas-force-redisplay nil
119 "*If non-nil, force a redisplay before recentering the summary buffer.
120 This is ugly, but it works around a bug in `window-displayed-height'."
124 (defun gnus-xmas-switch-horizontal-scrollbar-off ()
125 (when (featurep 'scrollbar)
126 (set-specifier scrollbar-height (cons (current-buffer) 0))))
128 (defun gnus-xmas-summary-recenter ()
129 "\"Center\" point in the summary window.
130 If `gnus-auto-center-summary' is nil, or the article buffer isn't
131 displayed, no centering will be performed."
132 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
133 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
134 ;; Force redisplay to get properly computed window height.
135 (when gnus-xmas-force-redisplay
137 (when gnus-auto-center-summary
138 (let* ((height (if (fboundp 'window-displayed-height)
139 (window-displayed-height)
140 (- (window-height) 2)))
141 (top (cond ((< height 4) 0)
143 (t (if (numberp gnus-auto-center-summary)
144 gnus-auto-center-summary
146 (bottom (save-excursion (goto-char (point-max))
147 (forward-line (- height))
149 (window (get-buffer-window (current-buffer))))
150 (when (get-buffer-window gnus-article-buffer)
151 ;; Only do recentering when the article buffer is displayed,
152 ;; Set the window start to either `bottom', which is the biggest
153 ;; possible valid number, or the second line from the top,
154 ;; whichever is the least.
155 ;; NOFORCE parameter suggested by Daniel Pittman <daniel@danann.net>.
157 window (min bottom (save-excursion (forward-line (- top)) (point)))
159 ;; Do horizontal recentering while we're at it.
160 (when (and (get-buffer-window (current-buffer) t)
161 (not (eq gnus-auto-center-summary 'vertical)))
162 (let ((selected (selected-window)))
163 (select-window (get-buffer-window (current-buffer) t))
164 (gnus-summary-position-point)
165 (gnus-horizontal-recenter)
166 (select-window selected))))))
168 (defun gnus-xmas-summary-set-display-table ()
169 ;; Setup the display table -- like `gnus-summary-setup-display-table',
170 ;; but done in an XEmacsish way.
171 (let ((table (make-display-table))
173 ;; Nix out all the control chars...
174 (while (>= (setq i (1- i)) 0)
176 ;; ... but not newline and cr, of course. (cr is necessary for the
177 ;; selective display).
180 ;; We keep TAB as well.
182 ;; We nix out any glyphs over 126 below ctl-arrow.
183 (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
184 (while (>= (setq i (1- i)) 127)
185 (unless (aref table i)
186 (aset table i [??]))))
187 ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
188 (add-spec-to-specifier current-display-table table (current-buffer) nil)))
190 (defun gnus-xmas-add-text-properties (start end props &optional object)
191 (add-text-properties start end props object)
192 (put-text-property start end 'start-closed nil object))
194 (defun gnus-xmas-put-text-property (start end prop value &optional object)
195 (put-text-property start end prop value object)
196 (put-text-property start end 'start-closed nil object))
198 (defun gnus-xmas-extent-start-open (point)
199 (map-extents (lambda (extent arg)
200 (set-extent-property extent 'start-open t))
201 nil point (min (1+ (point)) (point-max))))
203 (defun gnus-xmas-article-push-button (event)
204 "Check text under the mouse pointer for a callback function.
205 If the text under the mouse pointer has a `gnus-callback' property,
206 call it with the value of the `gnus-data' text property."
208 (set-buffer (window-buffer (event-window event)))
209 (let* ((pos (event-closest-point event))
210 (data (get-text-property pos 'gnus-data))
211 (fun (get-text-property pos 'gnus-callback)))
214 (funcall fun data))))
216 (defun gnus-xmas-move-overlay (extent start end &optional buffer)
217 (set-extent-endpoints extent start end buffer))
219 (defun gnus-xmas-kill-all-overlays ()
220 "Delete all extents in the current buffer."
221 (map-extents (lambda (extent ignore)
222 (delete-extent extent)
225 (defun gnus-xmas-window-top-edge (&optional window)
226 (nth 1 (window-pixel-edges window)))
228 (defun gnus-xmas-tree-minimize ()
229 (when (and gnus-tree-minimize-window
230 (not (one-window-p)))
231 (let* ((window-min-height 2)
232 (height (1+ (count-lines (point-min) (point-max))))
233 (min (max (1- window-min-height) height))
234 (tot (if (numberp gnus-tree-minimize-window)
235 (min gnus-tree-minimize-window min)
237 (win (get-buffer-window (current-buffer)))
238 (wh (and win (1- (window-height win)))))
241 (let ((selected (selected-window)))
243 (enlarge-window (- tot wh))
244 (select-window selected))))))
246 ;; Select the lowest window on the frame.
247 (defun gnus-xmas-appt-select-lowest-window ()
248 (let* ((lowest-window (selected-window))
249 (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges))))))
250 (last-window (previous-window))
253 (let* ((this-window (next-window))
254 (next-bottom-edge (car (cdr (cdr (cdr
257 (when (< bottom-edge next-bottom-edge)
258 (setq bottom-edge next-bottom-edge)
259 (setq lowest-window this-window))
261 (select-window this-window)
262 (when (eq last-window this-window)
263 (select-window lowest-window)
264 (setq window-search nil))))))
266 (defmacro gnus-xmas-menu-add (type &rest menus)
267 `(gnus-xmas-menu-add-1 ',type ',menus))
268 (put 'gnus-xmas-menu-add 'lisp-indent-function 1)
270 (defun gnus-xmas-menu-add-1 (type menus)
271 (when (and menu-bar-mode
272 (gnus-visual-p (intern (format "%s-menu" type)) 'menu))
274 (easy-menu-add (symbol-value (pop menus))))))
276 (defun gnus-xmas-group-menu-add ()
277 (gnus-xmas-menu-add group
278 gnus-group-reading-menu gnus-group-group-menu gnus-group-misc-menu))
280 (defun gnus-xmas-summary-menu-add ()
281 (gnus-xmas-menu-add summary
282 gnus-summary-misc-menu gnus-summary-kill-menu
283 gnus-summary-article-menu gnus-summary-thread-menu
284 gnus-summary-post-menu ))
286 (defun gnus-xmas-article-menu-add ()
287 (gnus-xmas-menu-add article
288 gnus-article-article-menu gnus-article-treatment-menu
289 gnus-article-post-menu gnus-article-commands-menu))
291 (defun gnus-xmas-score-menu-add ()
292 (gnus-xmas-menu-add score
295 (defun gnus-xmas-pick-menu-add ()
296 (gnus-xmas-menu-add pick
299 (defun gnus-xmas-topic-menu-add ()
300 (gnus-xmas-menu-add topic
303 (defun gnus-xmas-binary-menu-add ()
304 (gnus-xmas-menu-add binary
307 (defun gnus-xmas-agent-summary-menu-add ()
308 (gnus-xmas-menu-add agent-summary
309 gnus-agent-summary-menu))
311 (defun gnus-xmas-agent-group-menu-add ()
312 (gnus-xmas-menu-add agent-group
313 gnus-agent-group-menu))
315 (defun gnus-xmas-agent-server-menu-add ()
316 (gnus-xmas-menu-add agent-server
317 gnus-agent-server-menu))
319 (defun gnus-xmas-tree-menu-add ()
320 (gnus-xmas-menu-add tree
323 (defun gnus-xmas-draft-menu-add ()
324 (gnus-xmas-menu-add draft
327 (defun gnus-xmas-server-menu-add ()
328 (gnus-xmas-menu-add menu
329 gnus-server-server-menu gnus-server-connections-menu))
331 (defun gnus-xmas-browse-menu-add ()
332 (gnus-xmas-menu-add browse
335 (defun gnus-xmas-grouplens-menu-add ()
336 (gnus-xmas-menu-add grouplens
337 gnus-grouplens-menu))
339 (defun gnus-xmas-read-event-char (&optional prompt)
340 "Get the next event."
342 (message "%s" prompt))
343 (let ((event (next-command-event)))
345 ;; We junk all non-key events. Is this naughty?
346 (while (not (or (key-press-event-p event)
347 (button-press-event-p event)))
348 (dispatch-event event)
349 (setq event (next-command-event)))
350 (cons (and (key-press-event-p event)
351 (event-to-character event))
354 (defun gnus-xmas-define ()
355 (setq gnus-mouse-2 [button2])
356 (setq gnus-mouse-3 [button3])
357 (setq gnus-widget-button-keymap widget-button-keymap)
359 (unless (memq 'underline (face-list))
360 (and (fboundp 'make-face)
361 (funcall (intern "make-face") 'underline)))
362 ;; Must avoid calling set-face-underline-p directly, because it
363 ;; is a defsubst in emacs19, and will make the .elc files non
365 (unless (face-differs-from-default-p 'underline)
366 (funcall (intern "set-face-underline-p") 'underline t))
369 ((fboundp 'char-or-char-int-p)
370 ;; Handle both types of marks for XEmacs-20.x.
371 (defalias 'gnus-characterp 'char-or-char-int-p))
372 ;; V19 of XEmacs, probably.
374 (defalias 'gnus-characterp 'characterp)))
376 (defalias 'gnus-make-overlay 'make-extent)
377 (defalias 'gnus-delete-overlay 'delete-extent)
378 (defalias 'gnus-overlay-put 'set-extent-property)
379 (defalias 'gnus-move-overlay 'gnus-xmas-move-overlay)
380 (defalias 'gnus-overlay-buffer 'extent-object)
381 (defalias 'gnus-overlay-start 'extent-start-position)
382 (defalias 'gnus-overlay-end 'extent-end-position)
383 (defalias 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
384 (defalias 'gnus-extent-detached-p 'extent-detached-p)
385 (defalias 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
386 (defalias 'gnus-put-text-property 'gnus-xmas-put-text-property)
387 (defalias 'gnus-deactivate-mark 'ignore)
388 (defalias 'gnus-window-edges 'window-pixel-edges)
389 (defalias 'gnus-assq-delete-all 'gnus-xmas-assq-delete-all)
391 (unless (boundp 'standard-display-table)
392 (setq standard-display-table nil))
394 (defvar gnus-mouse-face-prop 'highlight)
396 (defun gnus-byte-code (func)
397 "Return a form that can be `eval'ed based on FUNC."
398 (let ((fval (indirect-function func)))
399 (if (compiled-function-p fval)
401 (cons 'progn (cdr (cdr fval))))))
403 (defalias 'gnus-x-color-values
404 (if (fboundp 'x-color-values)
407 (color-instance-rgb-components
408 (make-color-instance color)))))
410 (unless (fboundp 'char-width)
411 (defalias 'char-width (lambda (ch) 1))))
413 (defun gnus-xmas-redefine ()
414 "Redefine lots of Gnus functions for XEmacs."
415 (defalias 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
416 (defalias 'gnus-visual-turn-off-edit-menu 'identity)
417 (defalias 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
418 (defalias 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
419 (defalias 'gnus-article-push-button 'gnus-xmas-article-push-button)
420 (defalias 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
421 (defalias 'gnus-read-event-char 'gnus-xmas-read-event-char)
422 (defalias 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
423 (defalias 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
424 (defalias 'gnus-appt-select-lowest-window
425 'gnus-xmas-appt-select-lowest-window)
426 (defalias 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
427 (defalias 'gnus-character-to-event 'character-to-event)
428 (defalias 'gnus-mode-line-buffer-identification
429 'gnus-xmas-mode-line-buffer-identification)
430 (defalias 'gnus-key-press-event-p 'key-press-event-p)
431 (defalias 'gnus-region-active-p 'region-active-p)
432 (defalias 'gnus-mark-active-p 'region-exists-p)
433 (defalias 'gnus-annotation-in-region-p 'gnus-xmas-annotation-in-region-p)
434 (defalias 'gnus-mime-button-menu 'gnus-xmas-mime-button-menu)
435 (defalias 'gnus-image-type-available-p 'gnus-xmas-image-type-available-p)
436 (defalias 'gnus-put-image 'gnus-xmas-put-image)
437 (defalias 'gnus-create-image 'gnus-xmas-create-image)
438 (defalias 'gnus-remove-image 'gnus-xmas-remove-image)
440 ;; These ones are not defcutom'ed, sometimes not even defvar'ed. They
441 ;; probably should. If that is done, the code below should then be moved
442 ;; where each variable is defined, in order not to mess with user settings.
444 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
445 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
446 (add-hook 'gnus-grouplens-mode-hook 'gnus-xmas-grouplens-menu-add)
447 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
448 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
449 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
450 (add-hook 'gnus-mailing-list-mode-hook 'gnus-xmas-mailing-list-menu-add)
452 (when (featurep 'mule)
453 (defun gnus-truncate-string (str end-column &optional start-column padding)
454 "Truncate string STR to end at column END-COLUMN.
455 The optional 2nd arg START-COLUMN, if non-nil, specifies
456 the starting column; that means to return the characters occupying
457 columns START-COLUMN ... END-COLUMN of STR.
459 The optional 3rd arg PADDING, if non-nil, specifies a padding character
460 to add at the end of the result if STR doesn't reach column END-COLUMN,
461 or if END-COLUMN comes in the middle of a character in STR.
462 PADDING is also added at the beginning of the result
463 if column START-COLUMN appears in the middle of a character in STR.
465 If PADDING is nil, no padding is added in these cases, so
466 the resulting string may be narrower than END-COLUMN.
467 \[Emacs 20.3 emulating function]"
469 (setq start-column 0))
470 (let ((len (length str))
473 (head-padding "") (tail-padding "")
474 ch last-column last-idx from-idx)
476 (while (< column start-column)
477 (setq ch (aref str idx)
478 column (+ column (char-width ch))
480 (args-out-of-range (setq idx len)))
481 (if (< column start-column)
482 (if padding (make-string end-column padding) "")
483 (if (and padding (> column start-column))
485 (make-string (- column start-column) padding)))
487 (if (< end-column column)
490 (while (< column end-column)
491 (setq last-column column
494 column (+ column (char-width ch))
496 (args-out-of-range (setq idx len)))
497 (if (> column end-column)
498 (setq column last-column idx last-idx))
499 (if (and padding (< column end-column))
501 (make-string (- end-column column) padding))))
502 (setq str (substring str from-idx idx))
504 (concat head-padding str tail-padding)
507 ;;; XEmacs logo and toolbar.
509 (defun gnus-xmas-group-startup-message (&optional x y)
510 "Insert startup message in current buffer."
511 ;; Insert the message.
514 ((and (console-on-window-system-p)
517 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
518 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
520 (cond ((featurep 'xpm)
524 (("thing" . ,(car gnus-logo-colors))
525 ("shadow" . ,(cadr gnus-logo-colors))
527 ("background" . ,(face-background 'default)))])
529 `[xbm :file ,logo-xbm])
531 (wpheight (window-pixel-height))
532 (rest (max 0 (1- (/ (* (- wpheight (glyph-height glyph))
536 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
537 (goto-char (point-min))
539 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
542 (setq gnus-simple-splash nil)
543 (goto-char (point-min))
544 (insert gnus-product-name " " gnus-version-number
545 (if (zerop (string-to-number gnus-revision-number))
547 (concat " (r" gnus-revision-number ")"))
548 " based on " gnus-original-product-name " v"
549 gnus-original-version-number "\n")
551 (put-text-property (point-min) (point) 'face 'gnus-splash-face)
552 (insert-char ?\ (prog1
553 (max 0 (/ (- (window-width) (point)) 2))
554 (goto-char (point-min))))
556 (insert-char ?\n rest)
557 (set-window-start (selected-window) (point-min))))
561 _ ___ __ ___ __ _ ___
580 (goto-char (point-min))
581 (insert gnus-product-name " " gnus-version-number
582 (if (zerop (string-to-number gnus-revision-number))
584 (concat " (r" gnus-revision-number ")"))
585 " based on " gnus-original-product-name " v"
586 gnus-original-version-number)
587 (insert-char ?\ (prog1
588 (max 0 (/ (- (window-width) (point)) 2))
589 (goto-char (point-min))))
592 (gnus-indent-rigidly (point) (point-max)
593 (/ (max (- (window-width) (or x 46)) 0) 2))
594 (goto-char (point-min))
596 (let* ((pheight (count-lines (point-min) (point-max)))
597 (wheight (window-height))
598 (rest (- wheight pheight)))
599 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
601 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)))
602 (goto-char (point-min))
603 (setq modeline-buffer-identification
604 (list (concat gnus-version ": *Group*")))
605 (set-buffer-modified-p t))
610 (defcustom gnus-use-toolbar (if (featurep 'toolbar)
613 "*If nil, do not use a toolbar.
614 If it is non-nil, it must be a toolbar. The five valid values are
615 `default-toolbar', `top-toolbar', `bottom-toolbar',
616 `right-toolbar', and `left-toolbar'."
617 :type '(choice (const default-toolbar)
618 (const top-toolbar) (const bottom-toolbar)
619 (const left-toolbar) (const right-toolbar)
620 (const :tag "no toolbar" nil))
623 (defvar gnus-group-toolbar
624 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
625 [gnus-group-get-new-news-this-group
626 gnus-group-get-new-news-this-group t "Get new news in this group"]
627 [gnus-group-catchup-current
628 gnus-group-catchup-current t "Catchup group"]
629 [gnus-group-describe-group
630 gnus-group-describe-group t "Describe group"]
631 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
632 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
633 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
634 [gnus-summary-mail-save
635 gnus-group-save-newsrc t "Save .newsrc files"] ; borrowed icon.
636 [gnus-group-exit gnus-group-exit t "Exit Gnus"])
637 "The group buffer toolbar.")
639 (defvar gnus-summary-toolbar
640 '([gnus-summary-prev-unread
641 gnus-summary-prev-page-or-article t "Page up"]
642 [gnus-summary-next-unread
643 gnus-summary-next-page t "Page down"]
644 [gnus-summary-post-news
645 gnus-summary-post-news t "Post an article"]
646 [gnus-summary-followup-with-original
647 gnus-summary-followup-with-original t
648 "Post a followup and yank the original"]
649 [gnus-summary-followup
650 gnus-summary-followup t "Post a followup"]
651 [gnus-summary-reply-with-original
652 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
654 gnus-summary-reply t "Mail a reply"]
655 [gnus-summary-caesar-message
656 gnus-summary-caesar-message t "Rot 13"]
658 gnus-uu-decode-uu t "Decode uuencoded articles"]
659 [gnus-summary-save-article-file
660 gnus-summary-save-article-file t "Save article in file"]
661 [gnus-summary-save-article
662 gnus-summary-save-article t "Save article"]
664 gnus-uu-post-news t "Post a uuencoded article"]
665 [gnus-summary-cancel-article
666 gnus-summary-cancel-article t "Cancel article"]
667 [gnus-summary-catchup
668 gnus-summary-catchup t "Catchup"]
669 [gnus-summary-catchup-and-exit
670 gnus-summary-catchup-and-exit t "Catchup and exit"]
671 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
672 "The summary buffer toolbar.")
674 (defvar gnus-summary-mail-toolbar
676 [gnus-summary-prev-unread
677 gnus-summary-prev-unread-article t "Prev unread article"]
678 [gnus-summary-next-unread
679 gnus-summary-next-unread-article t "Next unread article"]
680 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
681 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
682 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
683 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
684 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
685 [gnus-summary-caesar-message
686 gnus-summary-caesar-message t "Rot 13"]
688 gnus-uu-decode-uu t "Decode uuencoded articles"]
689 [gnus-summary-save-article-file
690 gnus-summary-save-article-file t "Save article in file"]
691 [gnus-summary-save-article
692 gnus-summary-save-article t "Save article"]
693 [gnus-summary-cancel-article ; usenet : cancellation :: mail : deletion.
694 gnus-summary-delete-article t "Delete message"]
695 [gnus-summary-catchup
696 gnus-summary-catchup t "Catchup"]
697 [gnus-summary-catchup-and-exit
698 gnus-summary-catchup-and-exit t "Catchup and exit"]
699 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
700 "The summary buffer mail toolbar.")
702 (defun gnus-xmas-setup-group-toolbar ()
703 (and gnus-use-toolbar
704 (message-xmas-setup-toolbar gnus-group-toolbar nil "gnus")
705 (set-specifier (symbol-value gnus-use-toolbar)
706 (cons (current-buffer) gnus-group-toolbar))))
708 (defun gnus-xmas-setup-summary-toolbar ()
709 (let ((bar (if (gnus-news-group-p gnus-newsgroup-name)
710 gnus-summary-toolbar gnus-summary-mail-toolbar)))
711 (and gnus-use-toolbar
712 (message-xmas-setup-toolbar bar nil "gnus")
713 (set-specifier (symbol-value gnus-use-toolbar)
714 (cons (current-buffer) bar)))))
716 (defun gnus-xmas-mail-strip-quoted-names (address)
717 "Protect mail-strip-quoted-names from nil input.
718 XEmacs compatibility workaround."
721 (mail-strip-quoted-names address)))
723 (defun gnus-xmas-call-region (command &rest args)
725 'call-process-region (point-min) (point-max) command t '(t nil) nil
728 (defvar gnus-xmas-modeline-left-extent
729 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
732 (defvar gnus-xmas-modeline-right-extent
733 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
736 (defvar gnus-xmas-modeline-glyph
738 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
739 gnus-xmas-glyph-directory))
740 (file-xbm (expand-file-name "gnus-pointer.xbm"
741 gnus-xmas-glyph-directory))
744 (cond ((featurep 'xpm)
745 ;; Let's try a nifty XPM
746 `[xpm :file ,file-xpm])
748 ;; Then a not-so-nifty XBM
749 `[xbm :file ,file-xbm])
750 ;; Then the simple string
751 (t [string :data "Gnus:"])))))
752 (set-glyph-face glyph 'modeline-buffer-id)
755 (defun gnus-xmas-mode-line-buffer-identification (line)
756 (let ((line (car line))
759 ;; This is some weird type of id.
760 ((not (stringp line))
762 ;; This is non-standard, so we just pass it through.
763 ((not (string-match "^Gnus:" line))
765 ;; We have a standard line, so we colorize and glyphize it a bit.
767 (setq chop (match-end 0))
769 (if gnus-xmas-modeline-glyph
770 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
771 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
772 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
774 (defun gnus-xmas-splash ()
775 (when (eq (device-type) 'x)
778 (defun gnus-xmas-annotation-in-region-p (b e)
779 (or (map-extents (lambda (e u) t) nil b e nil nil 'mm t)
781 (eq (cadr (memq 'gnus-undeletable (text-properties-at b))) t)
782 (text-property-any b e 'gnus-undeletable t))))
784 (defun gnus-xmas-mime-button-menu (event prefix)
785 "Construct a context-sensitive menu of MIME commands."
787 (let ((response (get-popup-menu-response
789 ,@(mapcar (lambda (c) `[,(caddr c) ,(car c) t])
790 gnus-mime-button-commands)))))
791 (set-buffer (event-buffer event))
792 (goto-char (event-point event))
793 (funcall (event-function response) (event-object response))))
795 (defun gnus-group-add-icon ()
796 "Add an icon to the current line according to `gnus-group-icon-list'."
799 ;; now find out where the line starts and leave point there.
800 (beg (progn (beginning-of-line) (point))))
802 (narrow-to-region beg end)
804 (when (search-forward "==&&==" nil t)
805 (let* ((group (gnus-group-group-name))
806 (entry (gnus-group-entry group))
807 (unread (if (numberp (car entry)) (car entry) 0))
808 (active (gnus-active group))
809 (total (if active (1+ (- (cdr active) (car active))) 0))
811 (method (gnus-server-get-method group (gnus-info-method info)))
812 (marked (gnus-info-marks info))
813 (mailp (memq 'mail (assoc (symbol-name
814 (car (or method gnus-select-method)))
815 gnus-valid-select-methods)))
816 (level (or (gnus-info-level info) gnus-level-killed))
817 (score (or (gnus-info-score info) 0))
818 (ticked (gnus-range-length (cdr (assq 'tick marked))))
819 (group-age (gnus-group-timestamp-delta group))
820 (inhibit-read-only t)
821 (list gnus-group-icon-list)
822 (mystart (match-beginning 0))
823 (myend (match-end 0)))
824 (goto-char (point-min))
826 (not (eval (caar list))))
827 (setq list (cdr list)))
829 (let* ((file (cdar list))
830 (glyph (gnus-group-icon-create-glyph
831 (buffer-substring mystart myend)
835 (mapcar 'delete-annotation (annotations-at myend))
836 (let ((ext (make-extent mystart myend))
837 (ant (make-annotation glyph myend 'text)))
838 ;; set text extent params
839 (set-extent-property ext 'end-open t)
840 (set-extent-property ext 'start-open t)
841 (set-extent-property ext 'invisible t)))
842 (delete-region mystart myend)))
843 (delete-region mystart myend))))
847 (defun gnus-group-icon-create-glyph (substring pixmap)
848 "Create a glyph for insertion into a group line."
850 (cdr-safe (assoc pixmap gnus-group-icon-cache))
851 (let* ((glyph (make-glyph
854 (expand-file-name pixmap gnus-xmas-glyph-directory))
856 (expand-file-name pixmap gnus-xmas-glyph-directory))
857 (cons 'tty substring)))))
858 (setq gnus-group-icon-cache
859 (cons (cons pixmap glyph) gnus-group-icon-cache))
860 (set-glyph-face glyph 'default)
863 (defun gnus-xmas-mailing-list-menu-add ()
864 (gnus-xmas-menu-add mailing-list
865 gnus-mailing-list-menu))
867 (defun gnus-xmas-image-type-available-p (type)
869 (featurep (if (eq type 'pbm) 'xbm type))))
871 (defun gnus-xmas-create-image (file &optional type data-p &rest props)
874 (car (last (split-string file "[.]")))))
875 (face (plist-get props :face))
877 (when (equal type "pbm")
881 (insert-file-contents-literally file))
882 (shell-command-on-region (point-min) (point-max)
883 "ppmtoxpm 2>/dev/null" t)
884 (setq file (buffer-string)
888 (if (equal type "xbm")
889 (make-glyph (list (cons 'x file)))
893 (insert-file-contents-literally file))
897 (mm-image-type-from-buffer))
898 :data (buffer-string))))))
900 (set-glyph-face glyph face))
903 (defun gnus-xmas-put-image (glyph &optional string category)
904 "Insert STRING, but display GLYPH.
905 Warning: Don't insert text immediately after the image."
906 (let ((begin (point))
908 (if (and (bobp) (not string))
912 (setq begin (1- begin)))
913 (setq extent (make-extent begin (point)))
914 (set-extent-property extent 'gnus-image category)
915 (set-extent-property extent 'duplicable t)
917 (set-extent-property extent 'invisible t))
918 (set-extent-property extent 'end-glyph glyph))
921 (defun gnus-xmas-remove-image (image &optional category)
924 (when (equal (extent-end-glyph ext) image)
925 (set-extent-property ext 'invisible nil)
926 (set-extent-property ext 'end-glyph nil))
928 nil nil nil nil nil 'gnus-image category))
930 (defun gnus-xmas-assq-delete-all (key alist)
932 (while (setq elem (assq key alist))
933 (setq alist (delq elem alist)))
938 ;;; gnus-xmas.el ends here