1 ;;; gnus-xmas.el --- Gnus functions for XEmacs
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005
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., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, 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 'timer-funcs)
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-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-read-event-char (&optional prompt)
336 "Get the next event."
338 (message "%s" prompt))
339 (let ((event (next-command-event)))
341 ;; We junk all non-key events. Is this naughty?
342 (while (not (or (key-press-event-p event)
343 (button-press-event-p event)))
344 (dispatch-event event)
345 (setq event (next-command-event)))
346 (cons (and (key-press-event-p event)
347 (event-to-character event))
350 (defun gnus-xmas-define ()
351 (setq gnus-mouse-2 [button2])
352 (setq gnus-mouse-3 [button3])
353 (setq gnus-widget-button-keymap widget-button-keymap)
355 (unless (memq 'underline (face-list))
356 (and (fboundp 'make-face)
357 (funcall (intern "make-face") 'underline)))
358 ;; Must avoid calling set-face-underline-p directly, because it
359 ;; is a defsubst in emacs19, and will make the .elc files non
361 (unless (face-differs-from-default-p 'underline)
362 (funcall (intern "set-face-underline-p") 'underline t))
365 ((fboundp 'char-or-char-int-p)
366 ;; Handle both types of marks for XEmacs-20.x.
367 (defalias 'gnus-characterp 'char-or-char-int-p))
368 ;; V19 of XEmacs, probably.
370 (defalias 'gnus-characterp 'characterp)))
372 (defalias 'gnus-make-overlay 'make-extent)
373 (defalias 'gnus-delete-overlay 'delete-extent)
374 (defalias 'gnus-overlay-put 'set-extent-property)
375 (defalias 'gnus-move-overlay 'gnus-xmas-move-overlay)
376 (defalias 'gnus-overlay-buffer 'extent-object)
377 (defalias 'gnus-overlay-start 'extent-start-position)
378 (defalias 'gnus-overlay-end 'extent-end-position)
379 (defalias 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
380 (defalias 'gnus-extent-detached-p 'extent-detached-p)
381 (defalias 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
382 (defalias 'gnus-put-text-property 'gnus-xmas-put-text-property)
383 (defalias 'gnus-deactivate-mark 'ignore)
384 (defalias 'gnus-window-edges 'window-pixel-edges)
385 (defalias 'gnus-assq-delete-all 'gnus-xmas-assq-delete-all)
387 (unless (boundp 'standard-display-table)
388 (setq standard-display-table nil))
390 (defvar gnus-mouse-face-prop 'highlight)
392 (defun gnus-byte-code (func)
393 "Return a form that can be `eval'ed based on FUNC."
394 (let ((fval (indirect-function func)))
395 (if (compiled-function-p fval)
397 (cons 'progn (cdr (cdr fval))))))
399 (defalias 'gnus-x-color-values
400 (if (fboundp 'x-color-values)
403 (color-instance-rgb-components
404 (make-color-instance color)))))
406 (unless (fboundp 'char-width)
407 (defalias 'char-width (lambda (ch) 1))))
409 (defun gnus-xmas-redefine ()
410 "Redefine lots of Gnus functions for XEmacs."
411 (defalias 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
412 (defalias 'gnus-visual-turn-off-edit-menu 'identity)
413 (defalias 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
414 (defalias 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
415 (defalias 'gnus-article-push-button 'gnus-xmas-article-push-button)
416 (defalias 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
417 (defalias 'gnus-read-event-char 'gnus-xmas-read-event-char)
418 (defalias 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
419 (defalias 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
420 (defalias 'gnus-select-lowest-window
421 'gnus-xmas-select-lowest-window)
422 (defalias 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
423 (defalias 'gnus-character-to-event 'character-to-event)
424 (defalias 'gnus-mode-line-buffer-identification
425 'gnus-xmas-mode-line-buffer-identification)
426 (defalias 'gnus-key-press-event-p 'key-press-event-p)
427 (defalias 'gnus-region-active-p 'region-active-p)
428 (defalias 'gnus-mark-active-p 'region-exists-p)
429 (defalias 'gnus-annotation-in-region-p 'gnus-xmas-annotation-in-region-p)
430 (defalias 'gnus-mime-button-menu 'gnus-xmas-mime-button-menu)
431 (defalias 'gnus-image-type-available-p 'gnus-xmas-image-type-available-p)
432 (defalias 'gnus-put-image 'gnus-xmas-put-image)
433 (defalias 'gnus-create-image 'gnus-xmas-create-image)
434 (defalias 'gnus-remove-image 'gnus-xmas-remove-image)
436 ;; These ones are not defcutom'ed, sometimes not even defvar'ed. They
437 ;; probably should. If that is done, the code below should then be moved
438 ;; where each variable is defined, in order not to mess with user settings.
440 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
441 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
442 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
443 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
444 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
445 (add-hook 'gnus-mailing-list-mode-hook 'gnus-xmas-mailing-list-menu-add)
447 (when (featurep 'mule)
448 (defun gnus-truncate-string (str end-column &optional start-column padding)
449 "Truncate string STR to end at column END-COLUMN.
450 The optional 2nd arg START-COLUMN, if non-nil, specifies
451 the starting column; that means to return the characters occupying
452 columns START-COLUMN ... END-COLUMN of STR.
454 The optional 3rd arg PADDING, if non-nil, specifies a padding character
455 to add at the end of the result if STR doesn't reach column END-COLUMN,
456 or if END-COLUMN comes in the middle of a character in STR.
457 PADDING is also added at the beginning of the result
458 if column START-COLUMN appears in the middle of a character in STR.
460 If PADDING is nil, no padding is added in these cases, so
461 the resulting string may be narrower than END-COLUMN.
462 \[Emacs 20.3 emulating function]"
464 (setq start-column 0))
465 (let ((len (length str))
468 (head-padding "") (tail-padding "")
469 ch last-column last-idx from-idx)
471 (while (< column start-column)
472 (setq ch (aref str idx)
473 column (+ column (char-width ch))
475 (args-out-of-range (setq idx len)))
476 (if (< column start-column)
477 (if padding (make-string end-column padding) "")
478 (if (and padding (> column start-column))
480 (make-string (- column start-column) padding)))
482 (if (< end-column column)
485 (while (< column end-column)
486 (setq last-column column
489 column (+ column (char-width ch))
491 (args-out-of-range (setq idx len)))
492 (if (> column end-column)
493 (setq column last-column idx last-idx))
494 (if (and padding (< column end-column))
496 (make-string (- end-column column) padding))))
497 (setq str (substring str from-idx idx))
499 (concat head-padding str tail-padding)
502 ;;; XEmacs logo and toolbar.
504 (defun gnus-xmas-group-startup-message (&optional x y)
505 "Insert startup message in current buffer."
506 ;; Insert the message.
509 ((and (console-on-window-system-p)
512 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
513 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
515 (cond ((featurep 'xpm)
519 (("thing" . ,(car gnus-logo-colors))
520 ("shadow" . ,(cadr gnus-logo-colors))
522 ("background" . ,(face-background 'default)))])
524 `[xbm :file ,logo-xbm])
526 (wpheight (window-pixel-height))
527 (rest (max 0 (1- (/ (* (- wpheight (glyph-height glyph))
531 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
532 (goto-char (point-min))
534 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
537 (setq gnus-simple-splash nil)
538 (goto-char (point-min))
539 (insert gnus-product-name " " gnus-version-number
540 (if (zerop (string-to-number gnus-revision-number))
542 (concat " (r" gnus-revision-number ")"))
543 " based on " gnus-original-product-name " v"
544 gnus-original-version-number "\n")
546 (put-text-property (point-min) (point) 'face 'gnus-splash)
547 (insert-char ?\ (prog1
548 (max 0 (/ (- (window-width) (point)) 2))
549 (goto-char (point-min))))
551 (insert-char ?\n rest)
552 (set-window-start (selected-window) (point-min))))
556 _ ___ __ ___ __ _ ___
575 (goto-char (point-min))
576 (insert gnus-product-name " " gnus-version-number
577 (if (zerop (string-to-number gnus-revision-number))
579 (concat " (r" gnus-revision-number ")"))
580 " based on " gnus-original-product-name " v"
581 gnus-original-version-number)
582 (insert-char ?\ (prog1
583 (max 0 (/ (- (window-width) (point)) 2))
584 (goto-char (point-min))))
587 (gnus-indent-rigidly (point) (point-max)
588 (/ (max (- (window-width) (or x 46)) 0) 2))
589 (goto-char (point-min))
591 (let* ((pheight (count-lines (point-min) (point-max)))
592 (wheight (window-height))
593 (rest (- wheight pheight)))
594 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
596 (put-text-property (point-min) (point-max) 'face 'gnus-splash)))
597 (goto-char (point-min))
598 (setq modeline-buffer-identification
599 (list (concat gnus-version ": *Group*")))
600 (set-buffer-modified-p t))
605 (defun gnus-xmas-update-toolbars ()
606 "Update the toolbars' appearance."
607 (when (and (not noninteractive)
608 (featurep 'gnus-xmas))
610 (dolist (buffer (buffer-list))
612 (cond ((eq major-mode 'gnus-group-mode)
613 (gnus-xmas-setup-group-toolbar))
614 ((eq major-mode 'gnus-summary-mode)
615 (gnus-xmas-setup-summary-toolbar)))))))
617 (defcustom gnus-use-toolbar (if (featurep 'toolbar) 'default)
618 "*Position to display the toolbar. Nil means do not use a toolbar.
619 If it is non-nil, it should be one of the symbols `default', `top',
620 `bottom', `right', and `left'. `default' means to use the default
621 toolbar, the rest mean to display the toolbar on the place which those
623 :type '(choice (const default)
624 (const top) (const bottom) (const left) (const right)
625 (const :tag "no toolbar" nil))
626 :set (lambda (symbol value)
630 (memq value (list 'default 'top 'bottom 'right 'left)))
633 (gnus-xmas-update-toolbars))
636 (defcustom gnus-toolbar-thickness
637 (if (featurep 'toolbar)
638 (cons (specifier-instance default-toolbar-height)
639 (specifier-instance default-toolbar-width)))
640 "*Cons of the height and the width specifying the thickness of a toolbar.
641 The height is used for the toolbar displayed on the top or the bottom,
642 the width is used for the toolbar displayed on the right or the left."
643 :type '(cons :tag "height & width"
644 (integer :tag "height") (integer :tag "width"))
645 :set (lambda (symbol value)
648 (if (and (consp value) (natnump (car value)) (natnump (cdr value)))
651 (gnus-xmas-update-toolbars))
654 (defvar gnus-group-toolbar
655 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
656 [gnus-group-get-new-news-this-group
657 gnus-group-get-new-news-this-group t "Get new news in this group"]
658 [gnus-group-catchup-current
659 gnus-group-catchup-current t "Catchup group"]
660 [gnus-group-describe-group
661 gnus-group-describe-group t "Describe group"]
662 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
663 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
664 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
665 [gnus-summary-mail-save
666 gnus-group-save-newsrc t "Save .newsrc files"] ; borrowed icon.
667 [gnus-group-exit gnus-group-exit t "Exit Gnus"])
668 "The group buffer toolbar.")
670 (defvar gnus-summary-toolbar
671 '([gnus-summary-prev-unread
672 gnus-summary-prev-page-or-article t "Page up"]
673 [gnus-summary-next-unread
674 gnus-summary-next-page t "Page down"]
675 [gnus-summary-post-news
676 gnus-summary-post-news t "Post an article"]
677 [gnus-summary-followup-with-original
678 gnus-summary-followup-with-original t
679 "Post a followup and yank the original"]
680 [gnus-summary-followup
681 gnus-summary-followup t "Post a followup"]
682 [gnus-summary-reply-with-original
683 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
685 gnus-summary-reply t "Mail a reply"]
686 [gnus-summary-caesar-message
687 gnus-summary-caesar-message t "Rot 13"]
689 gnus-uu-decode-uu t "Decode uuencoded articles"]
690 [gnus-summary-save-article-file
691 gnus-summary-save-article-file t "Save article in file"]
692 [gnus-summary-save-article
693 gnus-summary-save-article t "Save article"]
695 gnus-uu-post-news t "Post a uuencoded article"]
696 [gnus-summary-cancel-article
697 gnus-summary-cancel-article t "Cancel article"]
698 [gnus-summary-catchup
699 gnus-summary-catchup t "Catchup"]
700 [gnus-summary-catchup-and-exit
701 gnus-summary-catchup-and-exit t "Catchup and exit"]
702 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
703 "The summary buffer toolbar.")
705 (defvar gnus-summary-mail-toolbar
707 [gnus-summary-prev-unread
708 gnus-summary-prev-unread-article t "Prev unread article"]
709 [gnus-summary-next-unread
710 gnus-summary-next-unread-article t "Next unread article"]
711 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
712 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
713 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
714 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
715 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
716 [gnus-summary-caesar-message
717 gnus-summary-caesar-message t "Rot 13"]
719 gnus-uu-decode-uu t "Decode uuencoded articles"]
720 [gnus-summary-save-article-file
721 gnus-summary-save-article-file t "Save article in file"]
722 [gnus-summary-save-article
723 gnus-summary-save-article t "Save article"]
724 [gnus-summary-cancel-article ; usenet : cancellation :: mail : deletion.
725 gnus-summary-delete-article t "Delete message"]
726 [gnus-summary-catchup
727 gnus-summary-catchup t "Catchup"]
728 [gnus-summary-catchup-and-exit
729 gnus-summary-catchup-and-exit t "Catchup and exit"]
730 [gnus-summary-exit gnus-summary-exit t "Exit this summary"])
731 "The summary buffer mail toolbar.")
733 (defun gnus-xmas-setup-toolbar (toolbar)
734 (when (featurep 'toolbar)
735 (if (and gnus-use-toolbar
736 (message-xmas-setup-toolbar toolbar nil "gnus"))
737 (let ((bar (or (intern-soft (format "%s-toolbar" gnus-use-toolbar))
739 (height (car gnus-toolbar-thickness))
740 (width (cdr gnus-toolbar-thickness))
741 (cur (current-buffer))
743 (set-specifier (symbol-value bar) toolbar cur)
744 (set-specifier default-toolbar-height height cur)
745 (set-specifier default-toolbar-width width cur)
746 (set-specifier top-toolbar-height height cur)
747 (set-specifier bottom-toolbar-height height cur)
748 (set-specifier right-toolbar-width width cur)
749 (set-specifier left-toolbar-width width cur)
750 (if (eq bar 'default-toolbar)
752 (remove-specifier default-toolbar-visible-p cur)
753 (remove-specifier top-toolbar cur)
754 (remove-specifier top-toolbar-visible-p cur)
755 (remove-specifier bottom-toolbar cur)
756 (remove-specifier bottom-toolbar-visible-p cur)
757 (remove-specifier right-toolbar cur)
758 (remove-specifier right-toolbar-visible-p cur)
759 (remove-specifier left-toolbar cur)
760 (remove-specifier left-toolbar-visible-p cur))
761 (set-specifier (symbol-value (intern (format "%s-visible-p" bar)))
763 (setq bars (delq bar (list 'default-toolbar
764 'bottom-toolbar 'top-toolbar
765 'right-toolbar 'left-toolbar)))
767 (set-specifier (symbol-value (intern (format "%s-visible-p"
770 (let ((cur (current-buffer)))
771 (set-specifier default-toolbar-visible-p nil cur)
772 (set-specifier top-toolbar-visible-p nil cur)
773 (set-specifier bottom-toolbar-visible-p nil cur)
774 (set-specifier right-toolbar-visible-p nil cur)
775 (set-specifier left-toolbar-visible-p nil cur)))))
777 (defun gnus-xmas-setup-group-toolbar ()
778 (gnus-xmas-setup-toolbar gnus-group-toolbar))
780 (defun gnus-xmas-setup-summary-toolbar ()
781 (gnus-xmas-setup-toolbar (if (gnus-news-group-p gnus-newsgroup-name)
783 gnus-summary-mail-toolbar)))
785 (defun gnus-xmas-mail-strip-quoted-names (address)
786 "Protect mail-strip-quoted-names from nil input.
787 XEmacs compatibility workaround."
790 (mail-strip-quoted-names address)))
792 (defun gnus-xmas-call-region (command &rest args)
794 'call-process-region (point-min) (point-max) command t '(t nil) nil
797 (defvar gnus-xmas-modeline-left-extent
798 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
801 (defvar gnus-xmas-modeline-right-extent
802 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
805 (defvar gnus-xmas-modeline-glyph
807 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
808 gnus-xmas-glyph-directory))
809 (file-xbm (expand-file-name "gnus-pointer.xbm"
810 gnus-xmas-glyph-directory))
813 (cond ((featurep 'xpm)
814 ;; Let's try a nifty XPM
815 `[xpm :file ,file-xpm])
817 ;; Then a not-so-nifty XBM
818 `[xbm :file ,file-xbm])
819 ;; Then the simple string
820 (t [string :data "Gnus:"])))))
821 (set-glyph-face glyph 'modeline-buffer-id)
824 (defun gnus-xmas-mode-line-buffer-identification (line)
825 (let ((line (car line))
828 ;; This is some weird type of id.
829 ((not (stringp line))
831 ;; This is non-standard, so we just pass it through.
832 ((not (string-match "^Gnus:" line))
834 ;; We have a standard line, so we colorize and glyphize it a bit.
836 (setq chop (match-end 0))
838 (if gnus-xmas-modeline-glyph
839 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
840 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
841 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
843 (defun gnus-xmas-splash ()
844 (when (eq (device-type) 'x)
847 (defun gnus-xmas-annotation-in-region-p (b e)
848 (or (map-extents (lambda (e u) t) nil b e nil nil 'mm t)
850 (eq (cadr (memq 'gnus-undeletable (text-properties-at b))) t)
851 (text-property-any b e 'gnus-undeletable t))))
853 (defun gnus-xmas-mime-button-menu (event prefix)
854 "Construct a context-sensitive menu of MIME commands."
856 (let ((response (get-popup-menu-response
858 ,@(mapcar (lambda (c) `[,(caddr c) ,(car c) t])
859 gnus-mime-button-commands)))))
860 (set-buffer (event-buffer event))
861 (goto-char (event-point event))
862 (funcall (event-function response) (event-object response))))
864 (defun gnus-group-add-icon ()
865 "Add an icon to the current line according to `gnus-group-icon-list'."
868 ;; now find out where the line starts and leave point there.
869 (beg (progn (beginning-of-line) (point))))
871 (narrow-to-region beg end)
873 (when (search-forward "==&&==" nil t)
874 (let* ((group (gnus-group-group-name))
875 (entry (gnus-group-entry group))
876 (unread (if (numberp (car entry)) (car entry) 0))
877 (active (gnus-active group))
878 (total (if active (1+ (- (cdr active) (car active))) 0))
880 (method (gnus-server-get-method group (gnus-info-method info)))
881 (marked (gnus-info-marks info))
882 (mailp (memq 'mail (assoc (symbol-name
883 (car (or method gnus-select-method)))
884 gnus-valid-select-methods)))
885 (level (or (gnus-info-level info) gnus-level-killed))
886 (score (or (gnus-info-score info) 0))
887 (ticked (gnus-range-length (cdr (assq 'tick marked))))
888 (group-age (gnus-group-timestamp-delta group))
889 (inhibit-read-only t)
890 (list gnus-group-icon-list)
891 (mystart (match-beginning 0))
892 (myend (match-end 0)))
893 (goto-char (point-min))
895 (not (eval (caar list))))
896 (setq list (cdr list)))
898 (let* ((file (cdar list))
899 (glyph (gnus-group-icon-create-glyph
900 (buffer-substring mystart myend)
904 (mapcar 'delete-annotation (annotations-at myend))
905 (let ((ext (make-extent mystart myend))
906 (ant (make-annotation glyph myend 'text)))
907 ;; set text extent params
908 (set-extent-property ext 'end-open t)
909 (set-extent-property ext 'start-open t)
910 (set-extent-property ext 'invisible t)))
911 (delete-region mystart myend)))
912 (delete-region mystart myend))))
916 (defun gnus-group-icon-create-glyph (substring pixmap)
917 "Create a glyph for insertion into a group line."
919 (cdr-safe (assoc pixmap gnus-group-icon-cache))
920 (let* ((glyph (make-glyph
923 (expand-file-name pixmap gnus-xmas-glyph-directory))
925 (expand-file-name pixmap gnus-xmas-glyph-directory))
926 (cons 'tty substring)))))
927 (setq gnus-group-icon-cache
928 (cons (cons pixmap glyph) gnus-group-icon-cache))
929 (set-glyph-face glyph 'default)
932 (defun gnus-xmas-mailing-list-menu-add ()
933 (gnus-xmas-menu-add mailing-list
934 gnus-mailing-list-menu))
936 (defun gnus-xmas-image-type-available-p (type)
938 (featurep (if (eq type 'pbm) 'xbm type))))
940 (defun gnus-xmas-create-image (file &optional type data-p &rest props)
943 (car (last (split-string file "[.]")))))
944 (face (plist-get props :face))
946 (when (equal type "pbm")
950 (insert-file-contents-literally file))
951 (shell-command-on-region (point-min) (point-max)
952 "ppmtoxpm 2>/dev/null" t)
953 (setq file (buffer-string)
957 (if (equal type "xbm")
958 (make-glyph (list (cons 'x file)))
962 (insert-file-contents-literally file))
966 (mm-image-type-from-buffer))
967 :data (buffer-string))))))
969 (set-glyph-face glyph face))
972 (defun gnus-xmas-put-image (glyph &optional string category)
973 "Insert STRING, but display GLYPH.
974 Warning: Don't insert text immediately after the image."
975 (let ((begin (point))
977 (if (and (bobp) (not string))
981 (setq begin (1- begin)))
982 (setq extent (make-extent begin (point)))
983 (set-extent-property extent 'gnus-image category)
984 (set-extent-property extent 'duplicable t)
986 (set-extent-property extent 'invisible t))
987 (set-extent-property extent 'end-glyph glyph))
990 (defun gnus-xmas-remove-image (image &optional category)
991 "Remove the image matching IMAGE and CATEGORY found first."
994 (when (equal (extent-end-glyph ext) image)
995 (set-extent-property ext 'invisible nil)
996 (set-extent-property ext 'end-glyph nil)
998 nil nil nil nil nil 'gnus-image category))
1000 (defun gnus-xmas-assq-delete-all (key alist)
1002 (while (setq elem (assq key alist))
1003 (setq alist (delq elem alist)))
1006 (provide 'gnus-xmas)
1008 ;;; gnus-xmas.el ends here