1 ;;; gnus-xmas.el --- Gnus functions for XEmacs
2 ;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
29 (defvar menu-bar-mode (featurep 'menubar))
30 (require 'messagexmas)
33 (defgroup gnus-xmas nil
34 "XEmacsoid support for Gnus"
37 (defcustom gnus-xmas-glyph-directory nil
38 "Directory where Gnus logos and icons are located.
39 If this variable is nil, Gnus will try to locate the directory
41 :type '(choice (const :tag "autodetect" nil)
45 ;;(format "%02x%02x%02x" 114 66 20) "724214"
47 (defvar gnus-xmas-logo-color-alist
48 '((flame "#cc3300" "#ff2200")
49 (pine "#c0cc93" "#f8ffb8")
50 (moss "#a1cc93" "#d2ffb8")
51 (irish "#04cc90" "#05ff97")
52 (sky "#049acc" "#05deff")
53 (tin "#6886cc" "#82b6ff")
54 (velvet "#7c68cc" "#8c82ff")
55 (grape "#b264cc" "#cf7df")
56 (labia "#cc64c2" "#fd7dff")
57 (berry "#cc6485" "#ff7db5")
58 (dino "#724214" "#1e3f03")
59 (neutral "#b4b4b4" "#878787")
60 (september "#bf9900" "#ffcc00"))
61 "Color alist used for the Gnus logo.")
63 (defcustom gnus-xmas-logo-color-style 'dino
64 "*Color styles used for the Gnus logo."
65 :type '(choice (const flame) (const pine) (const moss)
66 (const irish) (const sky) (const tin)
67 (const velvet) (const grape) (const labia)
68 (const berry) (const neutral) (const september)
72 (defvar gnus-xmas-logo-colors
73 (cdr (assq gnus-xmas-logo-color-style gnus-xmas-logo-color-alist))
74 "Colors used for the Gnus logo.")
76 (defcustom gnus-article-x-face-command
77 (if (or (featurep 'xface)
79 'gnus-xmas-article-display-xface
80 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -")
81 "*String or function to be executed to display an X-Face header.
82 If it is a string, the command will be executed in a sub-shell
83 asynchronously. The compressed face will be piped to this command."
84 :type '(choice string function))
86 ;;; Internal variables.
88 ;; Don't warn about these undefined variables.
90 (defvar gnus-group-mode-hook)
91 (defvar gnus-summary-mode-hook)
92 (defvar gnus-article-mode-hook)
95 (defvar gnus-active-hashtb)
96 (defvar gnus-article-buffer)
97 (defvar gnus-auto-center-summary)
98 (defvar gnus-current-headers)
99 (defvar gnus-level-killed)
100 (defvar gnus-level-zombie)
101 (defvar gnus-newsgroup-bookmarks)
102 (defvar gnus-newsgroup-dependencies)
103 (defvar gnus-newsgroup-selected-overlay)
104 (defvar gnus-newsrc-hashtb)
105 (defvar gnus-read-mark)
106 (defvar gnus-refer-article-method)
107 (defvar gnus-reffed-article-number)
108 (defvar gnus-unread-mark)
109 (defvar gnus-version)
110 (defvar gnus-view-pseudos)
111 (defvar gnus-view-pseudos-separately)
113 (defvar gnus-zombie-list)
114 ;;defined in gnus-msg.el
115 (defvar gnus-article-copy)
116 (defvar gnus-check-before-posting)
117 ;;defined in gnus-vis.el
118 (defvar gnus-article-button-face)
119 (defvar gnus-article-mouse-face)
120 (defvar gnus-summary-selected-face)
121 (defvar gnus-group-reading-menu)
122 (defvar gnus-group-group-menu)
123 (defvar gnus-group-misc-menu)
124 (defvar gnus-summary-article-menu)
125 (defvar gnus-summary-thread-menu)
126 (defvar gnus-summary-misc-menu)
127 (defvar gnus-summary-post-menu)
128 (defvar gnus-summary-kill-menu)
129 (defvar gnus-article-article-menu)
130 (defvar gnus-article-treatment-menu)
131 (defvar gnus-mouse-2)
132 (defvar standard-display-table)
133 (defvar gnus-tree-minimize-window)
135 (defun gnus-xmas-set-text-properties (start end props &optional buffer)
136 "You should NEVER use this function. It is ideologically blasphemous.
137 It is provided only to ease porting of broken FSF Emacs programs."
140 (map-extents (lambda (extent ignored)
141 (remove-text-properties
143 (list (extent-property extent 'text-prop) nil)
146 buffer start end nil nil 'text-prop)
147 (gnus-add-text-properties start end props buffer)))
149 (defun gnus-xmas-highlight-selected-summary ()
150 ;; Highlight selected article in summary buffer
151 (when gnus-summary-selected-face
152 (when gnus-newsgroup-selected-overlay
153 (delete-extent gnus-newsgroup-selected-overlay))
154 (setq gnus-newsgroup-selected-overlay
155 (make-extent (gnus-point-at-bol) (gnus-point-at-eol)))
156 (set-extent-face gnus-newsgroup-selected-overlay
157 gnus-summary-selected-face)))
159 (defcustom gnus-xmas-force-redisplay nil
160 "*If non-nil, force a redisplay before recentering the summary buffer.
161 This is ugly, but it works around a bug in `window-displayed-height'."
165 (defun gnus-xmas-switch-horizontal-scrollbar-off ()
166 (when (featurep 'scrollbar)
167 (set-specifier scrollbar-height (cons (current-buffer) 0))))
169 (defun gnus-xmas-summary-recenter ()
170 "\"Center\" point in the summary window.
171 If `gnus-auto-center-summary' is nil, or the article buffer isn't
172 displayed, no centering will be performed."
173 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
174 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
175 ;; Force redisplay to get properly computed window height.
176 (when gnus-xmas-force-redisplay
178 (when gnus-auto-center-summary
179 (let* ((height (if (fboundp 'window-displayed-height)
180 (window-displayed-height)
181 (- (window-height) 2)))
182 (top (cond ((< height 4) 0)
185 (bottom (save-excursion (goto-char (point-max))
186 (forward-line (- height))
188 (window (get-buffer-window (current-buffer))))
189 (when (get-buffer-window gnus-article-buffer)
190 ;; Only do recentering when the article buffer is displayed,
191 ;; Set the window start to either `bottom', which is the biggest
192 ;; possible valid number, or the second line from the top,
193 ;; whichever is the least.
195 window (min bottom (save-excursion (forward-line (- top)) (point)))))
196 ;; Do horizontal recentering while we're at it.
197 (when (and (get-buffer-window (current-buffer) t)
198 (not (eq gnus-auto-center-summary 'vertical)))
199 (let ((selected (selected-window)))
200 (select-window (get-buffer-window (current-buffer) t))
201 (gnus-summary-position-point)
202 (gnus-horizontal-recenter)
203 (select-window selected))))))
205 (defun gnus-xmas-summary-set-display-table ()
206 ;; Setup the display table -- like `gnus-summary-setup-display-table',
207 ;; but done in an XEmacsish way.
208 (let ((table (make-display-table))
210 ;; Nix out all the control chars...
211 (while (>= (setq i (1- i)) 0)
213 ;; ... but not newline and cr, of course. (cr is necessary for the
214 ;; selective display).
217 ;; We keep TAB as well.
219 ;; We nix out any glyphs over 126 below ctl-arrow.
220 (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
221 (while (>= (setq i (1- i)) 127)
222 (unless (aref table i)
223 (aset table i [??]))))
224 ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
225 (add-spec-to-specifier current-display-table table (current-buffer) nil)))
227 (defun gnus-xmas-add-text-properties (start end props &optional object)
228 (add-text-properties start end props object)
229 (put-text-property start end 'start-closed nil object))
231 (defun gnus-xmas-put-text-property (start end prop value &optional object)
232 (put-text-property start end prop value object)
233 (put-text-property start end 'start-closed nil object))
235 (defun gnus-xmas-extent-start-open (point)
236 (map-extents (lambda (extent arg)
237 (set-extent-property extent 'start-open t))
238 nil point (min (1+ (point)) (point-max))))
240 (defun gnus-xmas-article-push-button (event)
241 "Check text under the mouse pointer for a callback function.
242 If the text under the mouse pointer has a `gnus-callback' property,
243 call it with the value of the `gnus-data' text property."
245 (set-buffer (window-buffer (event-window event)))
246 (let* ((pos (event-closest-point event))
247 (data (get-text-property pos 'gnus-data))
248 (fun (get-text-property pos 'gnus-callback)))
250 (funcall fun data))))
252 (defun gnus-xmas-move-overlay (extent start end &optional buffer)
253 (set-extent-endpoints extent start end buffer))
255 (defun gnus-xmas-kill-all-overlays ()
256 "Delete all extents in the current buffer."
257 (map-extents (lambda (extent ignore)
258 (delete-extent extent)
261 (defun gnus-xmas-window-top-edge (&optional window)
262 (nth 1 (window-pixel-edges window)))
264 (defun gnus-xmas-tree-minimize ()
265 (when (and gnus-tree-minimize-window
266 (not (one-window-p)))
267 (let* ((window-min-height 2)
268 (height (1+ (count-lines (point-min) (point-max))))
269 (min (max (1- window-min-height) height))
270 (tot (if (numberp gnus-tree-minimize-window)
271 (min gnus-tree-minimize-window min)
273 (win (get-buffer-window (current-buffer)))
274 (wh (and win (1- (window-height win)))))
277 (let ((selected (selected-window)))
279 (enlarge-window (- tot wh))
280 (select-window selected))))))
282 ;; Select the lowest window on the frame.
283 (defun gnus-xmas-appt-select-lowest-window ()
284 (let* ((lowest-window (selected-window))
285 (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges))))))
286 (last-window (previous-window))
289 (let* ((this-window (next-window))
290 (next-bottom-edge (car (cdr (cdr (cdr
293 (when (< bottom-edge next-bottom-edge)
294 (setq bottom-edge next-bottom-edge)
295 (setq lowest-window this-window))
297 (select-window this-window)
298 (when (eq last-window this-window)
299 (select-window lowest-window)
300 (setq window-search nil))))))
302 (defmacro gnus-xmas-menu-add (type &rest menus)
303 `(gnus-xmas-menu-add-1 ',type ',menus))
304 (put 'gnus-xmas-menu-add 'lisp-indent-function 1)
306 (defun gnus-xmas-menu-add-1 (type menus)
307 (when (and menu-bar-mode
308 (gnus-visual-p (intern (format "%s-menu" type)) 'menu))
310 (easy-menu-add (symbol-value (pop menus))))))
312 (defun gnus-xmas-group-menu-add ()
313 (gnus-xmas-menu-add group
314 gnus-group-reading-menu gnus-group-group-menu gnus-group-misc-menu))
316 (defun gnus-xmas-summary-menu-add ()
317 (gnus-xmas-menu-add summary
318 gnus-summary-misc-menu gnus-summary-kill-menu
319 gnus-summary-article-menu gnus-summary-thread-menu
320 gnus-summary-post-menu ))
322 (defun gnus-xmas-article-menu-add ()
323 (gnus-xmas-menu-add article
324 gnus-article-article-menu gnus-article-treatment-menu))
326 (defun gnus-xmas-score-menu-add ()
327 (gnus-xmas-menu-add score
330 (defun gnus-xmas-pick-menu-add ()
331 (gnus-xmas-menu-add pick
334 (defun gnus-xmas-topic-menu-add ()
335 (gnus-xmas-menu-add topic
338 (defun gnus-xmas-binary-menu-add ()
339 (gnus-xmas-menu-add binary
342 (defun gnus-xmas-agent-summary-menu-add ()
343 (gnus-xmas-menu-add agent-summary
344 gnus-agent-summary-menu))
346 (defun gnus-xmas-agent-group-menu-add ()
347 (gnus-xmas-menu-add agent-group
348 gnus-agent-group-menu))
350 (defun gnus-xmas-agent-server-menu-add ()
351 (gnus-xmas-menu-add agent-server
352 gnus-agent-server-menu))
354 (defun gnus-xmas-tree-menu-add ()
355 (gnus-xmas-menu-add tree
358 (defun gnus-xmas-draft-menu-add ()
359 (gnus-xmas-menu-add draft
362 (defun gnus-xmas-server-menu-add ()
363 (gnus-xmas-menu-add menu
364 gnus-server-server-menu gnus-server-connections-menu))
366 (defun gnus-xmas-browse-menu-add ()
367 (gnus-xmas-menu-add browse
370 (defun gnus-xmas-grouplens-menu-add ()
371 (gnus-xmas-menu-add grouplens
372 gnus-grouplens-menu))
374 (defun gnus-xmas-read-event-char ()
375 "Get the next event."
376 (let ((event (next-command-event)))
378 ;; We junk all non-key events. Is this naughty?
379 (while (not (or (key-press-event-p event)
380 (button-press-event-p event)))
381 (dispatch-event event)
382 (setq event (next-command-event)))
383 (cons (and (key-press-event-p event)
384 (event-to-character event))
387 (defun gnus-xmas-define ()
388 (setq gnus-mouse-2 [button2])
389 (setq gnus-mouse-3 [button3])
390 (setq gnus-widget-button-keymap widget-button-keymap)
392 (unless (memq 'underline (face-list))
393 (and (fboundp 'make-face)
394 (funcall (intern "make-face") 'underline)))
395 ;; Must avoid calling set-face-underline-p directly, because it
396 ;; is a defsubst in emacs19, and will make the .elc files non
398 (unless (face-differs-from-default-p 'underline)
399 (funcall (intern "set-face-underline-p") 'underline t))
402 ((fboundp 'char-or-char-int-p)
403 ;; Handle both types of marks for XEmacs-20.x.
404 (fset 'gnus-characterp 'char-or-char-int-p))
405 ;; V19 of XEmacs, probably.
407 (fset 'gnus-characterp 'characterp)))
409 (fset 'gnus-make-overlay 'make-extent)
410 (fset 'gnus-delete-overlay 'delete-extent)
411 (fset 'gnus-overlay-put 'set-extent-property)
412 (fset 'gnus-move-overlay 'gnus-xmas-move-overlay)
413 (fset 'gnus-overlay-end 'extent-end-position)
414 (fset 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
415 (fset 'gnus-extent-detached-p 'extent-detached-p)
416 (fset 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
417 (fset 'gnus-put-text-property 'gnus-xmas-put-text-property)
418 (fset 'gnus-deactivate-mark 'ignore)
419 (fset 'gnus-window-edges 'window-pixel-edges)
421 (if (and (<= emacs-major-version 19)
422 (< emacs-minor-version 14))
423 (fset 'gnus-set-text-properties 'gnus-xmas-set-text-properties))
425 (when (fboundp 'turn-off-scroll-in-place)
426 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
428 (unless (boundp 'standard-display-table)
429 (setq standard-display-table nil))
431 (defvar gnus-mouse-face-prop 'highlight)
433 (defun gnus-byte-code (func)
434 "Return a form that can be `eval'ed based on FUNC."
435 (let ((fval (indirect-function func)))
436 (if (compiled-function-p fval)
438 (cons 'progn (cdr (cdr fval))))))
440 (fset 'gnus-x-color-values
441 (if (fboundp 'x-color-values)
444 (color-instance-rgb-components
445 (make-color-instance color))))))
447 (defun gnus-xmas-redefine ()
448 "Redefine lots of Gnus functions for XEmacs."
449 (fset 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
450 (fset 'gnus-visual-turn-off-edit-menu 'identity)
451 (fset 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
452 (fset 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
453 (fset 'gnus-article-push-button 'gnus-xmas-article-push-button)
454 (fset 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
455 (fset 'gnus-read-event-char 'gnus-xmas-read-event-char)
456 (fset 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
457 (fset 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
458 (fset 'gnus-appt-select-lowest-window
459 'gnus-xmas-appt-select-lowest-window)
460 (fset 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
461 (fset 'gnus-character-to-event 'character-to-event)
462 (fset 'gnus-mode-line-buffer-identification
463 'gnus-xmas-mode-line-buffer-identification)
464 (fset 'gnus-key-press-event-p 'key-press-event-p)
465 (fset 'gnus-region-active-p 'region-active-p)
466 (fset 'gnus-annotation-in-region-p 'gnus-xmas-annotation-in-region-p)
467 (fset 'gnus-mime-button-menu 'gnus-xmas-mime-button-menu)
469 (add-hook 'gnus-group-mode-hook 'gnus-xmas-group-menu-add)
470 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
471 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add)
472 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
474 (add-hook 'gnus-pick-mode-hook 'gnus-xmas-pick-menu-add)
475 (add-hook 'gnus-topic-mode-hook 'gnus-xmas-topic-menu-add)
476 (add-hook 'gnus-tree-mode-hook 'gnus-xmas-tree-menu-add)
477 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
478 (add-hook 'gnus-grouplens-mode-hook 'gnus-xmas-grouplens-menu-add)
479 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
480 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
482 (add-hook 'gnus-group-mode-hook 'gnus-xmas-setup-group-toolbar)
483 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
485 (add-hook 'gnus-agent-summary-mode-hook 'gnus-xmas-agent-summary-menu-add)
486 (add-hook 'gnus-agent-group-mode-hook 'gnus-xmas-agent-group-menu-add)
487 (add-hook 'gnus-agent-server-mode-hook 'gnus-xmas-agent-server-menu-add)
489 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
490 (add-hook 'gnus-summary-mode-hook
491 'gnus-xmas-switch-horizontal-scrollbar-off)
492 (add-hook 'gnus-tree-mode-hook 'gnus-xmas-switch-horizontal-scrollbar-off)
494 (when (featurep 'mule)
495 (defun gnus-truncate-string (str end-column &optional start-column padding)
496 "Truncate string STR to end at column END-COLUMN.
497 The optional 2nd arg START-COLUMN, if non-nil, specifies
498 the starting column; that means to return the characters occupying
499 columns START-COLUMN ... END-COLUMN of STR.
501 The optional 3rd arg PADDING, if non-nil, specifies a padding character
502 to add at the end of the result if STR doesn't reach column END-COLUMN,
503 or if END-COLUMN comes in the middle of a character in STR.
504 PADDING is also added at the beginning of the result
505 if column START-COLUMN appears in the middle of a character in STR.
507 If PADDING is nil, no padding is added in these cases, so
508 the resulting string may be narrower than END-COLUMN.
509 \[Emacs 20.3 emulating function]"
511 (setq start-column 0))
512 (let ((len (length str))
515 (head-padding "") (tail-padding "")
516 ch last-column last-idx from-idx)
518 (while (< column start-column)
519 (setq ch (aref str idx)
520 column (+ column (char-width ch))
522 (args-out-of-range (setq idx len)))
523 (if (< column start-column)
524 (if padding (make-string end-column padding) "")
525 (if (and padding (> column start-column))
527 (make-string (- column start-column) padding)))
529 (if (< end-column column)
532 (while (< column end-column)
533 (setq last-column column
536 column (+ column (char-width ch))
538 (args-out-of-range (setq idx len)))
539 (if (> column end-column)
540 (setq column last-column idx last-idx))
541 (if (and padding (< column end-column))
543 (make-string (- end-column column) padding))))
544 (setq str (substring str from-idx idx))
546 (concat head-padding str tail-padding)
549 (defun gnus-tilde-pad-form (el pad-width)
550 "Return a form that pads EL to PAD-WIDTH."
551 (let ((pad (abs pad-width)))
554 `(let ((val (format "%s" ,el)))
555 (concat val (make-string
556 (max 0 (- ,pad (string-width val))) ?\ )))
557 `(let ((val (format "%s" ,el)))
559 (max 0 (- ,pad (string-width val))) ?\ )
562 `(let ((val (eval ,el)))
563 (concat val (make-string
564 (max 0 (- ,pad (string-width val))) ?\ )))
565 `(let ((val (eval ,el)))
567 (max 0 (- ,pad (string-width val))) ?\ )
570 (defun gnus-tilde-max-form (el max-width)
571 "Return a form that limits EL to MAX-WIDTH."
572 (let ((max (abs max-width)))
575 `(let ((width (string-width ,el)))
576 (gnus-truncate-string ,el width (- width ,max)))
577 `(gnus-truncate-string ,el ,max))
579 `(let* ((val (eval ,el))
580 (width (string-width val)))
581 (gnus-truncate-string val width (- width ,max)))
582 `(let ((val (eval ,el)))
583 (gnus-truncate-string val ,max))))))
585 (defun gnus-tilde-cut-form (el cut-width)
586 "Return a form that cuts CUT-WIDTH off of EL."
587 (let ((cut (abs cut-width)))
590 `(gnus-truncate-string ,el (- (string-width ,el) ,cut))
591 `(gnus-truncate-string ,el (string-width ,el) ,cut))
593 `(let ((val (eval ,el)))
594 (gnus-truncate-string val (- (string-width val) ,cut)))
595 `(let ((val (eval ,el)))
596 (gnus-truncate-string val (string-width val) ,cut))))))
599 ;;; XEmacs logo and toolbar.
601 (defun gnus-xmas-group-startup-message (&optional x y)
602 "Insert startup message in current buffer."
603 ;; Insert the message.
604 (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory "gnus"))
607 ((and (console-on-window-system-p)
610 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
611 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
613 (cond ((featurep 'xpm)
617 (("thing" . ,(car gnus-xmas-logo-colors))
618 ("shadow" . ,(cadr gnus-xmas-logo-colors))
619 ("background" . ,(face-background 'default)))])
621 `[xbm :file ,logo-xbm])
624 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
625 (goto-char (point-min))
627 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
630 (setq gnus-simple-splash nil))
631 (goto-char (point-min))
632 (let* ((pheight (+ 20 (count-lines (point-min) (point-max))))
633 (wheight (window-height))
634 (rest (- wheight pheight)))
635 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n))))
640 _ ___ __ ___ __ _ ___
660 (gnus-indent-rigidly (point-min) (point-max)
661 (/ (max (- (window-width) (or x 46)) 0) 2))
662 (goto-char (point-min))
664 (let* ((pheight (count-lines (point-min) (point-max)))
665 (wheight (window-height))
666 (rest (- wheight pheight)))
667 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
669 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)))
670 (setq modeline-buffer-identification
671 (list (concat gnus-version ": *Group*")))
672 (set-buffer-modified-p t))
677 (defcustom gnus-use-toolbar (if (featurep 'toolbar)
680 "*If nil, do not use a toolbar.
681 If it is non-nil, it must be a toolbar. The five legal values are
682 `default-toolbar', `top-toolbar', `bottom-toolbar',
683 `right-toolbar', and `left-toolbar'."
684 :type '(choice (const default-toolbar)
685 (const top-toolbar) (const bottom-toolbar)
686 (const left-toolbar) (const right-toolbar)
687 (const :tag "no toolbar" nil))
690 (defvar gnus-group-toolbar
691 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
692 [gnus-group-get-new-news-this-group
693 gnus-group-get-new-news-this-group t "Get new news in this group"]
694 [gnus-group-catchup-current
695 gnus-group-catchup-current t "Catchup group"]
696 [gnus-group-describe-group
697 gnus-group-describe-group t "Describe group"]
698 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
699 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
700 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
701 [gnus-group-exit gnus-group-exit t "Exit Gnus"]
703 "The group buffer toolbar.")
705 (defvar gnus-summary-toolbar
706 '([gnus-summary-prev-unread
707 gnus-summary-prev-page-or-article t "Page up"]
708 [gnus-summary-next-unread
709 gnus-summary-next-page t "Page down"]
710 [gnus-summary-post-news
711 gnus-summary-post-news t "Post an article"]
712 [gnus-summary-followup-with-original
713 gnus-summary-followup-with-original t
714 "Post a followup and yank the original"]
715 [gnus-summary-followup
716 gnus-summary-followup t "Post a followup"]
717 [gnus-summary-reply-with-original
718 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
720 gnus-summary-reply t "Mail a reply"]
721 [gnus-summary-caesar-message
722 gnus-summary-caesar-message t "Rot 13"]
724 gnus-uu-decode-uu t "Decode uuencoded articles"]
725 [gnus-summary-save-article-file
726 gnus-summary-save-article-file t "Save article in file"]
727 [gnus-summary-save-article
728 gnus-summary-save-article t "Save article"]
730 gnus-uu-post-news t "Post a uuencoded article"]
731 [gnus-summary-cancel-article
732 gnus-summary-cancel-article t "Cancel article"]
733 [gnus-summary-catchup
734 gnus-summary-catchup t "Catchup"]
735 [gnus-summary-catchup-and-exit
736 gnus-summary-catchup-and-exit t "Catchup and exit"]
737 [gnus-summary-exit gnus-summary-exit t "Exit this summary"]
739 "The summary buffer toolbar.")
741 (defvar gnus-summary-mail-toolbar
743 [gnus-summary-prev-unread
744 gnus-summary-prev-unread-article t "Prev unread article"]
745 [gnus-summary-next-unread
746 gnus-summary-next-unread-article t "Next unread article"]
747 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
748 ; [gnus-summary-mail-get gnus-mail-get t "Message get"]
749 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
750 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
751 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
752 ; [gnus-summary-mail-delete gnus-summary-delete-article t "Delete message"]
753 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
754 ; [gnus-summary-mail-spell gnus-mail-spell t "Spell"]
755 ; [gnus-summary-mail-help gnus-mail-help t "Message help"]
756 [gnus-summary-caesar-message
757 gnus-summary-caesar-message t "Rot 13"]
759 gnus-uu-decode-uu t "Decode uuencoded articles"]
760 [gnus-summary-save-article-file
761 gnus-summary-save-article-file t "Save article in file"]
762 [gnus-summary-save-article
763 gnus-summary-save-article t "Save article"]
764 [gnus-summary-catchup
765 gnus-summary-catchup t "Catchup"]
766 [gnus-summary-catchup-and-exit
767 gnus-summary-catchup-and-exit t "Catchup and exit"]
768 [gnus-summary-exit gnus-summary-exit t "Exit this summary"]
770 "The summary buffer mail toolbar.")
772 (defun gnus-xmas-setup-group-toolbar ()
773 (and gnus-use-toolbar
774 (message-xmas-setup-toolbar gnus-group-toolbar nil "gnus")
775 (set-specifier (symbol-value gnus-use-toolbar)
776 (cons (current-buffer) gnus-group-toolbar))))
778 (defun gnus-xmas-setup-summary-toolbar ()
779 (let ((bar (if (gnus-news-group-p gnus-newsgroup-name)
780 gnus-summary-toolbar gnus-summary-mail-toolbar)))
781 (and gnus-use-toolbar
782 (message-xmas-setup-toolbar bar nil "gnus")
783 (set-specifier (symbol-value gnus-use-toolbar)
784 (cons (current-buffer) bar)))))
786 (defun gnus-xmas-mail-strip-quoted-names (address)
787 "Protect mail-strip-quoted-names from NIL input.
788 XEmacs compatibility workaround."
791 (mail-strip-quoted-names address)))
793 (defun gnus-xmas-call-region (command &rest args)
795 'call-process-region (point-min) (point-max) command t '(t nil) nil
798 (defface gnus-x-face '((t (:foreground "black" :background "white")))
799 "Face to show X face"
802 (defun gnus-xmas-article-display-xface (beg end)
803 "Display any XFace headers in the current article."
806 (cond ((featurep 'xface)
807 (make-glyph (vector 'xface :data
809 (buffer-substring beg end)))))
811 (let ((cur (current-buffer)))
813 (gnus-set-work-buffer)
814 (insert (format "%s" (buffer-substring beg end cur)))
815 (gnus-xmas-call-region "uncompface")
816 (goto-char (point-min))
817 (insert "/* Width=48, Height=48 */\n")
818 (gnus-xmas-call-region "icontopbm")
819 (gnus-xmas-call-region "ppmtoxpm")
821 (vector 'xpm :data (buffer-string))))))
823 (make-glyph [nothing]))))
824 (ext (make-extent (progn
825 (goto-char (point-min))
826 (re-search-forward "^From:" nil t)
829 (set-glyph-face xface-glyph 'gnus-x-face)
830 (set-extent-begin-glyph ext xface-glyph)
831 (set-extent-property ext 'duplicable t))))
833 ;;(defvar gnus-xmas-pointer-glyph
835 ;; (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory
837 ;; (let ((file-xpm (expand-file-name "gnus-pointer.xpm"
838 ;; gnus-xmas-glyph-directory))
839 ;; (file-xbm (expand-file-name "gnus-pointer.xbm"
840 ;; gnus-xmas-glyph-directory)))
841 ;; (make-pointer-glyph
842 ;; (list (vector 'xpm ':file file-xpm)
843 ;; (vector 'xbm ':file file-xbm))))))
845 (defvar gnus-xmas-modeline-left-extent
846 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
847 ; (set-extent-property ext 'pointer gnus-xmas-pointer-glyph)
850 (defvar gnus-xmas-modeline-right-extent
851 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
852 ; (set-extent-property ext 'pointer gnus-xmas-pointer-glyph)
855 (defvar gnus-xmas-modeline-glyph
857 (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory "gnus"))
858 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
859 gnus-xmas-glyph-directory))
860 (file-xbm (expand-file-name "gnus-pointer.xbm"
861 gnus-xmas-glyph-directory))
864 (cond ((featurep 'xpm)
865 ;; Let's try a nifty XPM
866 `[xpm :file ,file-xpm])
868 ;; Then a not-so-nifty XBM
869 [xbm :file ,file-xbm])
870 ;; Then the simple string
871 (t [string :data "Gnus:"])))))
872 (set-glyph-face glyph 'modeline-buffer-id)
875 (defun gnus-xmas-mode-line-buffer-identification (line)
876 (let ((line (car line))
879 ;; This is some weird type of id.
880 ((not (stringp line))
882 ;; This is non-standard, so we just pass it through.
883 ((not (string-match "^Gnus:" line))
885 ;; We have a standard line, so we colorize and glyphize it a bit.
887 (setq chop (match-end 0))
889 (if gnus-xmas-modeline-glyph
890 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
891 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
892 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
894 (defun gnus-xmas-splash ()
895 (when (eq (device-type) 'x)
898 (defun gnus-xmas-annotation-in-region-p (b e)
899 (map-extents (lambda (e u) t) nil b e nil nil 'mm t))
901 (defun gnus-xmas-mime-button-menu (event)
902 "Construct a context-sensitive menu of MIME commands."
904 (let ((response (get-popup-menu-response
906 ,@(mapcar (lambda (c) `[,(caddr c) ,(car c) t])
907 gnus-mime-button-commands)))))
908 (set-buffer (event-buffer event))
909 (goto-char (event-point event))
910 (funcall (event-function response) (event-object response))))
915 ;;; gnus-xmas.el ends here