1 ;;; gnus-xmas.el --- Gnus functions for XEmacs
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
4 ;; Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
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.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
31 (defvar menu-bar-mode (featurep 'menubar))
32 (require 'messagexmas)
35 (defgroup gnus-xmas nil
36 "XEmacsoid support for Gnus"
39 (defcustom gnus-xmas-glyph-directory nil
40 "Directory where Gnus logos and icons are located.
41 If this variable is nil, Gnus will try to locate the directory
43 :type '(choice (const :tag "autodetect" nil)
47 (unless gnus-xmas-glyph-directory
48 (unless (setq gnus-xmas-glyph-directory
49 (message-xmas-find-glyph-directory "gnus"))
50 (error "Can't find glyph directory. \
51 Possibly the `etc' directory has not been installed.")))
53 ;;; Internal variables.
55 ;; Don't warn about these undefined variables.
58 (defvar gnus-active-hashtb)
59 (defvar gnus-article-buffer)
60 (defvar gnus-auto-center-summary)
61 (defvar gnus-current-headers)
62 (defvar gnus-level-killed)
63 (defvar gnus-level-zombie)
64 (defvar gnus-newsgroup-bookmarks)
65 (defvar gnus-newsgroup-dependencies)
66 (defvar gnus-newsgroup-selected-overlay)
67 (defvar gnus-newsrc-hashtb)
68 (defvar gnus-read-mark)
69 (defvar gnus-refer-article-method)
70 (defvar gnus-reffed-article-number)
71 (defvar gnus-unread-mark)
73 (defvar gnus-view-pseudos)
74 (defvar gnus-view-pseudos-separately)
76 (defvar gnus-zombie-list)
77 ;;defined in gnus-msg.el
78 (defvar gnus-article-copy)
79 (defvar gnus-check-before-posting)
80 ;;defined in gnus-vis.el
81 (defvar gnus-article-button-face)
82 (defvar gnus-article-mouse-face)
83 (defvar gnus-summary-selected-face)
84 (defvar gnus-group-reading-menu)
85 (defvar gnus-group-group-menu)
86 (defvar gnus-group-misc-menu)
87 (defvar gnus-summary-article-menu)
88 (defvar gnus-summary-thread-menu)
89 (defvar gnus-summary-misc-menu)
90 (defvar gnus-summary-post-menu)
91 (defvar gnus-summary-kill-menu)
92 (defvar gnus-article-article-menu)
93 (defvar gnus-article-treatment-menu)
95 (defvar standard-display-table)
96 (defvar gnus-tree-minimize-window)
98 (defun gnus-xmas-set-text-properties (start end props &optional buffer)
99 "You should NEVER use this function. It is ideologically blasphemous.
100 It is provided only to ease porting of broken FSF Emacs programs."
103 (map-extents (lambda (extent ignored)
104 (remove-text-properties
106 (list (extent-property extent 'text-prop) nil)
109 buffer start end nil nil 'text-prop)
110 (gnus-add-text-properties start end props buffer)))
112 (defun gnus-xmas-highlight-selected-summary ()
113 ;; Highlight selected article in summary buffer
114 (when gnus-summary-selected-face
115 (when gnus-newsgroup-selected-overlay
116 (delete-extent gnus-newsgroup-selected-overlay))
117 (setq gnus-newsgroup-selected-overlay
118 (make-extent (gnus-point-at-bol) (gnus-point-at-eol)))
119 (set-extent-face gnus-newsgroup-selected-overlay
120 gnus-summary-selected-face)))
122 (defcustom gnus-xmas-force-redisplay nil
123 "*If non-nil, force a redisplay before recentering the summary buffer.
124 This is ugly, but it works around a bug in `window-displayed-height'."
128 (defun gnus-xmas-switch-horizontal-scrollbar-off ()
129 (when (featurep 'scrollbar)
130 (set-specifier scrollbar-height (cons (current-buffer) 0))))
132 (defun gnus-xmas-summary-recenter ()
133 "\"Center\" point in the summary window.
134 If `gnus-auto-center-summary' is nil, or the article buffer isn't
135 displayed, no centering will be performed."
136 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
137 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
138 ;; Force redisplay to get properly computed window height.
139 (when gnus-xmas-force-redisplay
141 (when gnus-auto-center-summary
142 (let* ((height (if (fboundp 'window-displayed-height)
143 (window-displayed-height)
144 (- (window-height) 2)))
145 (top (cond ((< height 4) 0)
147 (t (if (numberp gnus-auto-center-summary)
148 gnus-auto-center-summary
150 (bottom (save-excursion (goto-char (point-max))
151 (forward-line (- height))
153 (window (get-buffer-window (current-buffer))))
154 (when (get-buffer-window gnus-article-buffer)
155 ;; Only do recentering when the article buffer is displayed,
156 ;; Set the window start to either `bottom', which is the biggest
157 ;; possible valid number, or the second line from the top,
158 ;; whichever is the least.
159 ;; NOFORCE parameter suggested by Daniel Pittman <daniel@danann.net>.
161 window (min bottom (save-excursion (forward-line (- top)) (point)))
163 ;; Do horizontal recentering while we're at it.
164 (when (and (get-buffer-window (current-buffer) t)
165 (not (eq gnus-auto-center-summary 'vertical)))
166 (let ((selected (selected-window)))
167 (select-window (get-buffer-window (current-buffer) t))
168 (gnus-summary-position-point)
169 (gnus-horizontal-recenter)
170 (select-window selected))))))
172 (defun gnus-xmas-summary-set-display-table ()
173 ;; Setup the display table -- like `gnus-summary-setup-display-table',
174 ;; but done in an XEmacsish way.
175 (let ((table (make-display-table))
177 ;; Nix out all the control chars...
178 (while (>= (setq i (1- i)) 0)
180 ;; ... but not newline and cr, of course. (cr is necessary for the
181 ;; selective display).
184 ;; We keep TAB as well.
186 ;; We nix out any glyphs over 126 below ctl-arrow.
187 (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
188 (while (>= (setq i (1- i)) 127)
189 (unless (aref table i)
190 (aset table i [??]))))
191 ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
192 (add-spec-to-specifier current-display-table table (current-buffer) nil)))
194 (defun gnus-xmas-add-text-properties (start end props &optional object)
195 (add-text-properties start end props object)
196 (put-text-property start end 'start-closed nil object))
198 (defun gnus-xmas-put-text-property (start end prop value &optional object)
199 (put-text-property start end prop value object)
200 (put-text-property start end 'start-closed nil object))
202 (defun gnus-xmas-extent-start-open (point)
203 (map-extents (lambda (extent arg)
204 (set-extent-property extent 'start-open t))
205 nil point (min (1+ (point)) (point-max))))
207 (defun gnus-xmas-article-push-button (event)
208 "Check text under the mouse pointer for a callback function.
209 If the text under the mouse pointer has a `gnus-callback' property,
210 call it with the value of the `gnus-data' text property."
212 (set-buffer (window-buffer (event-window event)))
213 (let* ((pos (event-closest-point event))
214 (data (get-text-property pos 'gnus-data))
215 (fun (get-text-property pos 'gnus-callback)))
218 (funcall fun data))))
220 (defun gnus-xmas-move-overlay (extent start end &optional buffer)
221 (set-extent-endpoints extent start end buffer))
223 (defun gnus-xmas-kill-all-overlays ()
224 "Delete all extents in the current buffer."
225 (map-extents (lambda (extent ignore)
226 (delete-extent extent)
229 (defun gnus-xmas-window-top-edge (&optional window)
230 (nth 1 (window-pixel-edges window)))
232 (defun gnus-xmas-tree-minimize ()
233 (when (and gnus-tree-minimize-window
234 (not (one-window-p)))
235 (let* ((window-min-height 2)
236 (height (1+ (count-lines (point-min) (point-max))))
237 (min (max (1- window-min-height) height))
238 (tot (if (numberp gnus-tree-minimize-window)
239 (min gnus-tree-minimize-window min)
241 (win (get-buffer-window (current-buffer)))
242 (wh (and win (1- (window-height win)))))
245 (let ((selected (selected-window)))
247 (enlarge-window (- tot wh))
248 (select-window selected))))))
250 ;; Select the lowest window on the frame.
251 (defun gnus-xmas-appt-select-lowest-window ()
252 (let* ((lowest-window (selected-window))
253 (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges))))))
254 (last-window (previous-window))
257 (let* ((this-window (next-window))
258 (next-bottom-edge (car (cdr (cdr (cdr
261 (when (< bottom-edge next-bottom-edge)
262 (setq bottom-edge next-bottom-edge)
263 (setq lowest-window this-window))
265 (select-window this-window)
266 (when (eq last-window this-window)
267 (select-window lowest-window)
268 (setq window-search nil))))))
270 (defmacro gnus-xmas-menu-add (type &rest menus)
271 `(gnus-xmas-menu-add-1 ',type ',menus))
272 (put 'gnus-xmas-menu-add 'lisp-indent-function 1)
274 (defun gnus-xmas-menu-add-1 (type menus)
275 (when (and menu-bar-mode
276 (gnus-visual-p (intern (format "%s-menu" type)) 'menu))
278 (easy-menu-add (symbol-value (pop menus))))))
280 (defun gnus-xmas-group-menu-add ()
281 (gnus-xmas-menu-add group
282 gnus-group-reading-menu gnus-group-group-menu gnus-group-misc-menu))
284 (defun gnus-xmas-summary-menu-add ()
285 (gnus-xmas-menu-add summary
286 gnus-summary-misc-menu gnus-summary-kill-menu
287 gnus-summary-article-menu gnus-summary-thread-menu
288 gnus-summary-post-menu ))
290 (defun gnus-xmas-article-menu-add ()
291 (gnus-xmas-menu-add article
292 gnus-article-article-menu gnus-article-treatment-menu
293 gnus-article-post-menu gnus-article-commands-menu))
295 (defun gnus-xmas-score-menu-add ()
296 (gnus-xmas-menu-add score
299 (defun gnus-xmas-pick-menu-add ()
300 (gnus-xmas-menu-add pick
303 (defun gnus-xmas-topic-menu-add ()
304 (gnus-xmas-menu-add topic
307 (defun gnus-xmas-binary-menu-add ()
308 (gnus-xmas-menu-add binary
311 (defun gnus-xmas-agent-summary-menu-add ()
312 (gnus-xmas-menu-add agent-summary
313 gnus-agent-summary-menu))
315 (defun gnus-xmas-agent-group-menu-add ()
316 (gnus-xmas-menu-add agent-group
317 gnus-agent-group-menu))
319 (defun gnus-xmas-agent-server-menu-add ()
320 (gnus-xmas-menu-add agent-server
321 gnus-agent-server-menu))
323 (defun gnus-xmas-tree-menu-add ()
324 (gnus-xmas-menu-add tree
327 (defun gnus-xmas-draft-menu-add ()
328 (gnus-xmas-menu-add draft
331 (defun gnus-xmas-server-menu-add ()
332 (gnus-xmas-menu-add menu
333 gnus-server-server-menu gnus-server-connections-menu))
335 (defun gnus-xmas-browse-menu-add ()
336 (gnus-xmas-menu-add browse
339 (defun gnus-xmas-grouplens-menu-add ()
340 (gnus-xmas-menu-add grouplens
341 gnus-grouplens-menu))
343 (defun gnus-xmas-read-event-char ()
344 "Get the next event."
345 (let ((event (next-command-event)))
347 ;; We junk all non-key events. Is this naughty?
348 (while (not (or (key-press-event-p event)
349 (button-press-event-p event)))
350 (dispatch-event event)
351 (setq event (next-command-event)))
352 (cons (and (key-press-event-p event)
353 (event-to-character event))
356 (defun gnus-xmas-define ()
357 (setq gnus-mouse-2 [button2])
358 (setq gnus-mouse-3 [button3])
359 (setq gnus-widget-button-keymap widget-button-keymap)
361 (unless (memq 'underline (face-list))
362 (and (fboundp 'make-face)
363 (funcall (intern "make-face") 'underline)))
364 ;; Must avoid calling set-face-underline-p directly, because it
365 ;; is a defsubst in emacs19, and will make the .elc files non
367 (unless (face-differs-from-default-p 'underline)
368 (funcall (intern "set-face-underline-p") 'underline t))
371 ((fboundp 'char-or-char-int-p)
372 ;; Handle both types of marks for XEmacs-20.x.
373 (defalias 'gnus-characterp 'char-or-char-int-p))
374 ;; V19 of XEmacs, probably.
376 (defalias 'gnus-characterp 'characterp)))
378 (defalias 'gnus-make-overlay 'make-extent)
379 (defalias 'gnus-delete-overlay 'delete-extent)
380 (defalias 'gnus-overlay-put 'set-extent-property)
381 (defalias 'gnus-move-overlay 'gnus-xmas-move-overlay)
382 (defalias 'gnus-overlay-buffer 'extent-object)
383 (defalias 'gnus-overlay-start 'extent-start-position)
384 (defalias 'gnus-overlay-end 'extent-end-position)
385 (defalias 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
386 (defalias 'gnus-extent-detached-p 'extent-detached-p)
387 (defalias 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
388 (defalias 'gnus-put-text-property 'gnus-xmas-put-text-property)
389 (defalias 'gnus-deactivate-mark 'ignore)
390 (defalias 'gnus-window-edges 'window-pixel-edges)
392 (if (and (<= emacs-major-version 19)
393 (< emacs-minor-version 14))
394 (defalias 'gnus-set-text-properties 'gnus-xmas-set-text-properties))
396 (unless (boundp 'standard-display-table)
397 (setq standard-display-table nil))
399 (defvar gnus-mouse-face-prop 'highlight)
401 (defun gnus-byte-code (func)
402 "Return a form that can be `eval'ed based on FUNC."
403 (let ((fval (indirect-function func)))
404 (if (compiled-function-p fval)
406 (cons 'progn (cdr (cdr fval))))))
408 (unless (fboundp 'match-string-no-properties)
409 (defalias 'match-string-no-properties 'match-string))
411 (defalias 'gnus-x-color-values
412 (if (fboundp 'x-color-values)
415 (color-instance-rgb-components
416 (make-color-instance color))))))
418 (defun gnus-xmas-redefine ()
419 "Redefine lots of Gnus functions for XEmacs."
420 (defalias 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
421 (defalias 'gnus-visual-turn-off-edit-menu 'identity)
422 (defalias 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
423 (defalias 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
424 (defalias 'gnus-article-push-button 'gnus-xmas-article-push-button)
425 (defalias 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
426 (defalias 'gnus-read-event-char 'gnus-xmas-read-event-char)
427 (defalias 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
428 (defalias 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
429 (defalias 'gnus-appt-select-lowest-window
430 'gnus-xmas-appt-select-lowest-window)
431 (defalias 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
432 (defalias 'gnus-character-to-event 'character-to-event)
433 (defalias 'gnus-mode-line-buffer-identification
434 'gnus-xmas-mode-line-buffer-identification)
435 (defalias 'gnus-key-press-event-p 'key-press-event-p)
436 (defalias 'gnus-region-active-p 'region-active-p)
437 (defalias 'gnus-annotation-in-region-p 'gnus-xmas-annotation-in-region-p)
438 (defalias 'gnus-mime-button-menu 'gnus-xmas-mime-button-menu)
439 (defalias 'gnus-image-type-available-p 'gnus-xmas-image-type-available-p)
440 (defalias 'gnus-put-image 'gnus-xmas-put-image)
441 (defalias 'gnus-create-image 'gnus-xmas-create-image)
443 ;; These ones are not defcutom'ed, sometimes not even defvar'ed. They
444 ;; probably should. If that is done, the code below should then be moved
445 ;; where each variable is defined, in order not to mess with user settings.
447 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
448 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
449 (add-hook 'gnus-grouplens-mode-hook 'gnus-xmas-grouplens-menu-add)
450 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
451 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
452 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
453 (add-hook 'gnus-mailing-list-mode-hook 'gnus-xmas-mailing-list-menu-add))
456 ;;; XEmacs logo and toolbar.
458 (defun gnus-xmas-group-startup-message (&optional x y)
459 "Insert startup message in current buffer."
460 ;; Insert the message.
463 ((and (console-on-window-system-p)
466 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
467 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
469 (cond ((featurep 'xpm)
473 (("thing" . ,(car gnus-logo-colors))
474 ("shadow" . ,(cadr gnus-logo-colors))
475 ("background" . ,(face-background 'default)))])
477 `[xbm :file ,logo-xbm])
480 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
481 (goto-char (point-min))
483 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
486 (setq gnus-simple-splash nil))
487 (goto-char (point-min))
488 (let* ((pheight (+ 20 (count-lines (point-min) (point-max))))
489 (wheight (window-height))
490 (rest (- wheight pheight)))
491 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n))))
496 _ ___ __ ___ __ _ ___
516 (gnus-indent-rigidly (point-min) (point-max)
517 (/ (max (- (window-width) (or x 46)) 0) 2))
518 (goto-char (point-min))
520 (let* ((pheight (count-lines (point-min) (point-max)))
521 (wheight (window-height))
522 (rest (- wheight pheight)))
523 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
525 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)))
526 (setq modeline-buffer-identification
527 (list (concat gnus-version ": *Group*")))
528 (set-buffer-modified-p t))
533 (defcustom gnus-use-toolbar (if (featurep 'toolbar)
536 "*If nil, do not use a toolbar.
537 If it is non-nil, it must be a toolbar. The five valid values are
538 `default-toolbar', `top-toolbar', `bottom-toolbar',
539 `right-toolbar', and `left-toolbar'."
540 :type '(choice (const default-toolbar)
541 (const top-toolbar) (const bottom-toolbar)
542 (const left-toolbar) (const right-toolbar)
543 (const :tag "no toolbar" nil))
546 (defvar gnus-group-toolbar
547 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
548 [gnus-group-get-new-news-this-group
549 gnus-group-get-new-news-this-group t "Get new news in this group"]
550 [gnus-group-catchup-current
551 gnus-group-catchup-current t "Catchup group"]
552 [gnus-group-describe-group
553 gnus-group-describe-group t "Describe group"]
554 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
555 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
556 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
557 [gnus-group-exit gnus-group-exit t "Exit Gnus"])
558 "The group buffer toolbar.")
560 (defvar gnus-summary-toolbar
561 '([gnus-summary-prev-unread
562 gnus-summary-prev-page-or-article t "Page up"]
563 [gnus-summary-next-unread
564 gnus-summary-next-page t "Page down"]
565 [gnus-summary-post-news
566 gnus-summary-post-news t "Post an article"]
567 [gnus-summary-followup-with-original
568 gnus-summary-followup-with-original t
569 "Post a followup and yank the original"]
570 [gnus-summary-followup
571 gnus-summary-followup t "Post a followup"]
572 [gnus-summary-reply-with-original
573 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
575 gnus-summary-reply t "Mail a reply"]
576 [gnus-summary-caesar-message
577 gnus-summary-caesar-message t "Rot 13"]
579 gnus-uu-decode-uu t "Decode uuencoded articles"]
580 [gnus-summary-save-article-file
581 gnus-summary-save-article-file t "Save article in file"]
582 [gnus-summary-save-article
583 gnus-summary-save-article t "Save article"]
585 gnus-uu-post-news t "Post a uuencoded article"]
586 [gnus-summary-cancel-article
587 gnus-summary-cancel-article t "Cancel article"]
588 [gnus-summary-catchup
589 gnus-summary-catchup t "Catchup"]
590 [gnus-summary-catchup-and-exit
591 gnus-summary-catchup-and-exit t "Catchup and exit"]
592 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
593 "The summary buffer toolbar.")
595 (defvar gnus-summary-mail-toolbar
597 [gnus-summary-prev-unread
598 gnus-summary-prev-unread-article t "Prev unread article"]
599 [gnus-summary-next-unread
600 gnus-summary-next-unread-article t "Next unread article"]
601 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
602 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
603 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
604 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
605 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
606 [gnus-summary-caesar-message
607 gnus-summary-caesar-message t "Rot 13"]
609 gnus-uu-decode-uu t "Decode uuencoded articles"]
610 [gnus-summary-save-article-file
611 gnus-summary-save-article-file t "Save article in file"]
612 [gnus-summary-save-article
613 gnus-summary-save-article t "Save article"]
614 [gnus-summary-catchup
615 gnus-summary-catchup t "Catchup"]
616 [gnus-summary-catchup-and-exit
617 gnus-summary-catchup-and-exit t "Catchup and exit"]
618 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
619 "The summary buffer mail toolbar.")
621 (defun gnus-xmas-setup-group-toolbar ()
622 (and gnus-use-toolbar
623 (message-xmas-setup-toolbar gnus-group-toolbar nil "gnus")
624 (set-specifier (symbol-value gnus-use-toolbar)
625 (cons (current-buffer) gnus-group-toolbar))))
627 (defun gnus-xmas-setup-summary-toolbar ()
628 (let ((bar (if (gnus-news-group-p gnus-newsgroup-name)
629 gnus-summary-toolbar gnus-summary-mail-toolbar)))
630 (and gnus-use-toolbar
631 (message-xmas-setup-toolbar bar nil "gnus")
632 (set-specifier (symbol-value gnus-use-toolbar)
633 (cons (current-buffer) bar)))))
635 (defun gnus-xmas-mail-strip-quoted-names (address)
636 "Protect mail-strip-quoted-names from nil input.
637 XEmacs compatibility workaround."
640 (mail-strip-quoted-names address)))
642 (defun gnus-xmas-call-region (command &rest args)
644 'call-process-region (point-min) (point-max) command t '(t nil) nil
647 (defface gnus-x-face '((t (:foreground "black" :background "white")))
648 "Face to show X face"
651 (defun gnus-xmas-article-display-xface (data)
652 "Display any XFace headers in BUFFER."
657 (make-glyph (vector 'xface :data
658 (concat "X-Face: " data))))
660 (let ((cur (or buffer (current-buffer))))
662 (gnus-set-work-buffer)
664 (let ((coding-system-for-read 'binary)
665 (coding-system-for-write 'binary))
666 (gnus-xmas-call-region "uncompface")
667 (goto-char (point-min))
668 (insert "/* Width=48, Height=48 */\n")
669 (gnus-xmas-call-region "icontopbm")
670 (gnus-xmas-call-region "ppmtoxpm")
672 (vector 'xpm :data (buffer-string)))))))
674 (make-glyph [nothing]))))
675 (ext (make-extent (progn
676 (goto-char (point-min))
677 (re-search-forward "^From:" nil t)
680 (set-glyph-face xface-glyph 'gnus-x-face)
681 (set-extent-begin-glyph ext xface-glyph)
682 (set-extent-property ext 'duplicable t))))
684 (defvar gnus-xmas-modeline-left-extent
685 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
688 (defvar gnus-xmas-modeline-right-extent
689 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
692 (defvar gnus-xmas-modeline-glyph
694 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
695 gnus-xmas-glyph-directory))
696 (file-xbm (expand-file-name "gnus-pointer.xbm"
697 gnus-xmas-glyph-directory))
700 (cond ((featurep 'xpm)
701 ;; Let's try a nifty XPM
702 `[xpm :file ,file-xpm])
704 ;; Then a not-so-nifty XBM
705 `[xbm :file ,file-xbm])
706 ;; Then the simple string
707 (t [string :data "Gnus:"])))))
708 (set-glyph-face glyph 'modeline-buffer-id)
711 (defun gnus-xmas-mode-line-buffer-identification (line)
712 (let ((line (car line))
715 ;; This is some weird type of id.
716 ((not (stringp line))
718 ;; This is non-standard, so we just pass it through.
719 ((not (string-match "^Gnus:" line))
721 ;; We have a standard line, so we colorize and glyphize it a bit.
723 (setq chop (match-end 0))
725 (if gnus-xmas-modeline-glyph
726 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
727 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
728 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
730 (defun gnus-xmas-splash ()
731 (when (eq (device-type) 'x)
734 (defun gnus-xmas-annotation-in-region-p (b e)
735 (or (map-extents (lambda (e u) t) nil b e nil nil 'mm t)
737 (eq (cadr (memq 'gnus-undeletable (text-properties-at b))) t)
738 (text-property-any b e 'gnus-undeletable t))))
740 (defun gnus-xmas-mime-button-menu (event)
741 "Construct a context-sensitive menu of MIME commands."
743 (let ((response (get-popup-menu-response
745 ,@(mapcar (lambda (c) `[,(caddr c) ,(car c) t])
746 gnus-mime-button-commands)))))
747 (set-buffer (event-buffer event))
748 (goto-char (event-point event))
749 (funcall (event-function response) (event-object response))))
751 (defun gnus-group-add-icon ()
752 "Add an icon to the current line according to `gnus-group-icon-list'."
754 (end (progn (end-of-line) (point)))
755 ;; now find out where the line starts and leave point there.
756 (beg (progn (beginning-of-line) (point))))
758 (narrow-to-region beg end)
760 (when (search-forward "==&&==" nil t)
761 (let* ((group (gnus-group-group-name))
762 (entry (gnus-group-entry group))
763 (unread (if (numberp (car entry)) (car entry) 0))
764 (active (gnus-active group))
765 (total (if active (1+ (- (cdr active) (car active))) 0))
767 (method (gnus-server-get-method group (gnus-info-method info)))
768 (marked (gnus-info-marks info))
769 (mailp (memq 'mail (assoc (symbol-name
770 (car (or method gnus-select-method)))
771 gnus-valid-select-methods)))
772 (level (or (gnus-info-level info) gnus-level-killed))
773 (score (or (gnus-info-score info) 0))
774 (ticked (gnus-range-length (cdr (assq 'tick marked))))
775 (group-age (gnus-group-timestamp-delta group))
776 (inhibit-read-only t)
777 (list gnus-group-icon-list)
778 (mystart (match-beginning 0))
779 (myend (match-end 0)))
780 (goto-char (point-min))
782 (not (eval (caar list))))
783 (setq list (cdr list)))
785 (let* ((file (cdar list))
786 (glyph (gnus-group-icon-create-glyph
787 (buffer-substring mystart myend)
791 (mapcar 'delete-annotation (annotations-at myend))
792 (let ((ext (make-extent mystart myend))
793 (ant (make-annotation glyph myend 'text)))
794 ;; set text extent params
795 (set-extent-property ext 'end-open t)
796 (set-extent-property ext 'start-open t)
797 (set-extent-property ext 'invisible t)))
798 (delete-region mystart myend)))
799 (delete-region mystart myend))))
803 (defun gnus-group-icon-create-glyph (substring pixmap)
804 "Create a glyph for insertion into a group line."
806 (cdr-safe (assoc pixmap gnus-group-icon-cache))
807 (let* ((glyph (make-glyph
810 (expand-file-name pixmap gnus-xmas-glyph-directory))
812 (expand-file-name pixmap gnus-xmas-glyph-directory))
813 (cons 'tty substring)))))
814 (setq gnus-group-icon-cache
815 (cons (cons pixmap glyph) gnus-group-icon-cache))
816 (set-glyph-face glyph 'default)
819 (defun gnus-xmas-mailing-list-menu-add ()
820 (gnus-xmas-menu-add mailing-list
821 gnus-mailing-list-menu))
823 (defun gnus-xmas-image-type-available-p (type)
826 (defun gnus-xmas-create-image (file)
828 (insert-file-contents file)
829 (mm-create-image-xemacs (car (last (split-string file "[.]"))))))
831 (defun gnus-xmas-put-image (glyph &optional string)
832 (let ((annot (make-annotation glyph nil 'text)))
833 (set-extent-property annot 'mm t)
834 (set-extent-property annot 'duplicable t)))
838 ;;; gnus-xmas.el ends here