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)
32 (defgroup gnus-xmas nil
33 "XEmacsoid support for Gnus"
36 (defcustom gnus-xmas-glyph-directory nil
37 "Directory where Gnus logos and icons are located.
38 If this variable is nil, Gnus will try to locate the directory
40 :type '(choice (const :tag "autodetect" nil)
44 (defvar gnus-xmas-logo-color-alist
45 '((flame "#cc3300" "#ff2200")
46 (pine "#c0cc93" "#f8ffb8")
47 (moss "#a1cc93" "#d2ffb8")
48 (irish "#04cc90" "#05ff97")
49 (sky "#049acc" "#05deff")
50 (tin "#6886cc" "#82b6ff")
51 (velvet "#7c68cc" "#8c82ff")
52 (grape "#b264cc" "#cf7df")
53 (labia "#cc64c2" "#fd7dff")
54 (berry "#cc6485" "#ff7db5")
55 (neutral "#b4b4b4" "#878787")
56 (september "#bf9900" "#ffcc00"))
57 "Color alist used for the Gnus logo.")
59 (defcustom gnus-xmas-logo-color-style 'moss
60 "*Color styles used for the Gnus logo."
61 :type '(choice (const flame) (const pine) (const moss)
62 (const irish) (const sky) (const tin)
63 (const velvet) (const grape) (const labia)
64 (const berry) (const neutral) (const september))
67 (defvar gnus-xmas-logo-colors
68 (cdr (assq gnus-xmas-logo-color-style gnus-xmas-logo-color-alist))
69 "Colors used for the Gnus logo.")
71 (defcustom gnus-article-x-face-command
72 (if (or (featurep 'xface)
74 'gnus-xmas-article-display-xface
75 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -")
76 "*String or function to be executed to display an X-Face header.
77 If it is a string, the command will be executed in a sub-shell
78 asynchronously. The compressed face will be piped to this command."
79 :type '(choice string function))
81 ;;; Internal variables.
83 ;; Don't warn about these undefined variables.
85 (defvar gnus-group-mode-hook)
86 (defvar gnus-summary-mode-hook)
87 (defvar gnus-article-mode-hook)
90 (defvar gnus-active-hashtb)
91 (defvar gnus-article-buffer)
92 (defvar gnus-auto-center-summary)
93 (defvar gnus-current-headers)
94 (defvar gnus-level-killed)
95 (defvar gnus-level-zombie)
96 (defvar gnus-newsgroup-bookmarks)
97 (defvar gnus-newsgroup-dependencies)
98 (defvar gnus-newsgroup-selected-overlay)
99 (defvar gnus-newsrc-hashtb)
100 (defvar gnus-read-mark)
101 (defvar gnus-refer-article-method)
102 (defvar gnus-reffed-article-number)
103 (defvar gnus-unread-mark)
104 (defvar gnus-version)
105 (defvar gnus-view-pseudos)
106 (defvar gnus-view-pseudos-separately)
108 (defvar gnus-zombie-list)
109 ;;defined in gnus-msg.el
110 (defvar gnus-article-copy)
111 (defvar gnus-check-before-posting)
112 ;;defined in gnus-vis.el
113 (defvar gnus-article-button-face)
114 (defvar gnus-article-mouse-face)
115 (defvar gnus-summary-selected-face)
116 (defvar gnus-group-reading-menu)
117 (defvar gnus-group-group-menu)
118 (defvar gnus-group-misc-menu)
119 (defvar gnus-summary-article-menu)
120 (defvar gnus-summary-thread-menu)
121 (defvar gnus-summary-misc-menu)
122 (defvar gnus-summary-post-menu)
123 (defvar gnus-summary-kill-menu)
124 (defvar gnus-article-article-menu)
125 (defvar gnus-article-treatment-menu)
126 (defvar gnus-mouse-2)
127 (defvar standard-display-table)
128 (defvar gnus-tree-minimize-window)
130 (defun gnus-xmas-set-text-properties (start end props &optional buffer)
131 "You should NEVER use this function. It is ideologically blasphemous.
132 It is provided only to ease porting of broken FSF Emacs programs."
135 (map-extents (lambda (extent ignored)
136 (remove-text-properties
138 (list (extent-property extent 'text-prop) nil)
141 buffer start end nil nil 'text-prop)
142 (gnus-add-text-properties start end props buffer)))
144 (defun gnus-xmas-highlight-selected-summary ()
145 ;; Highlight selected article in summary buffer
146 (when gnus-summary-selected-face
147 (when gnus-newsgroup-selected-overlay
148 (delete-extent gnus-newsgroup-selected-overlay))
149 (setq gnus-newsgroup-selected-overlay
150 (make-extent (gnus-point-at-bol) (gnus-point-at-eol)))
151 (set-extent-face gnus-newsgroup-selected-overlay
152 gnus-summary-selected-face)))
154 (defcustom gnus-xmas-force-redisplay nil
155 "*If non-nil, force a redisplay before recentering the summary buffer.
156 This is ugly, but it works around a bug in `window-displayed-height'."
160 (defun gnus-xmas-switch-horizontal-scrollbar-off ()
161 (when (featurep 'scrollbar)
162 (set-specifier scrollbar-height (cons (current-buffer) 0))))
164 (defun gnus-xmas-summary-recenter ()
165 "\"Center\" point in the summary window.
166 If `gnus-auto-center-summary' is nil, or the article buffer isn't
167 displayed, no centering will be performed."
168 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
169 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
170 ;; Force redisplay to get properly computed window height.
171 (when gnus-xmas-force-redisplay
173 (when gnus-auto-center-summary
174 (let* ((height (if (fboundp 'window-displayed-height)
175 (window-displayed-height)
176 (- (window-height) 2)))
177 (top (cond ((< height 4) 0)
180 (bottom (save-excursion (goto-char (point-max))
181 (forward-line (- height))
183 (window (get-buffer-window (current-buffer))))
184 (when (get-buffer-window gnus-article-buffer)
185 ;; Only do recentering when the article buffer is displayed,
186 ;; Set the window start to either `bottom', which is the biggest
187 ;; possible valid number, or the second line from the top,
188 ;; whichever is the least.
190 window (min bottom (save-excursion (forward-line (- top)) (point)))))
191 ;; Do horizontal recentering while we're at it.
192 (when (and (get-buffer-window (current-buffer) t)
193 (not (eq gnus-auto-center-summary 'vertical)))
194 (let ((selected (selected-window)))
195 (select-window (get-buffer-window (current-buffer) t))
196 (gnus-summary-position-point)
197 (gnus-horizontal-recenter)
198 (select-window selected))))))
200 (defun gnus-xmas-summary-set-display-table ()
201 ;; Setup the display table -- like `gnus-summary-setup-display-table',
202 ;; but done in an XEmacsish way.
203 (let ((table (make-display-table))
205 ;; Nix out all the control chars...
206 (while (>= (setq i (1- i)) 0)
208 ;; ... but not newline and cr, of course. (cr is necessary for the
209 ;; selective display).
212 ;; We keep TAB as well.
214 ;; We nix out any glyphs over 126 below ctl-arrow.
215 (let ((i (if (integerp ctl-arrow) ctl-arrow 160)))
216 (while (>= (setq i (1- i)) 127)
217 (unless (aref table i)
218 (aset table i [??]))))
219 ;; Can't use `set-specifier' because of a bug in 19.14 and earlier
220 (add-spec-to-specifier current-display-table table (current-buffer) nil)))
222 (defun gnus-xmas-add-text-properties (start end props &optional object)
223 (add-text-properties start end props object)
224 (put-text-property start end 'start-closed nil object))
226 (defun gnus-xmas-put-text-property (start end prop value &optional object)
227 (put-text-property start end prop value object)
228 (put-text-property start end 'start-closed nil object))
230 (defun gnus-xmas-extent-start-open (point)
231 (map-extents (lambda (extent arg)
232 (set-extent-property extent 'start-open t))
233 nil point (min (1+ (point)) (point-max))))
235 (defun gnus-xmas-article-push-button (event)
236 "Check text under the mouse pointer for a callback function.
237 If the text under the mouse pointer has a `gnus-callback' property,
238 call it with the value of the `gnus-data' text property."
240 (set-buffer (window-buffer (event-window event)))
241 (let* ((pos (event-closest-point event))
242 (data (get-text-property pos 'gnus-data))
243 (fun (get-text-property pos 'gnus-callback)))
245 (funcall fun data))))
247 (defun gnus-xmas-move-overlay (extent start end &optional buffer)
248 (set-extent-endpoints extent start end buffer))
250 (defun gnus-xmas-kill-all-overlays ()
251 "Delete all extents in the current buffer."
252 (map-extents (lambda (extent ignore)
253 (delete-extent extent)
256 ;; Fixed by Christopher Davis <ckd@loiosh.kei.com>.
257 (defun gnus-xmas-article-add-button (from to fun &optional data)
258 "Create a button between FROM and TO with callback FUN and data DATA."
259 (when gnus-article-button-face
260 (gnus-overlay-put (gnus-make-overlay from to)
261 'face gnus-article-button-face))
262 (gnus-add-text-properties
265 (and gnus-article-mouse-face
266 (list 'mouse-face gnus-article-mouse-face))
267 (list 'gnus-callback fun)
268 (and data (list 'gnus-data data))
269 (list 'highlight t))))
271 (defun gnus-xmas-window-top-edge (&optional window)
272 (nth 1 (window-pixel-edges window)))
274 (defun gnus-xmas-tree-minimize ()
275 (when (and gnus-tree-minimize-window
276 (not (one-window-p)))
277 (let* ((window-min-height 2)
278 (height (1+ (count-lines (point-min) (point-max))))
279 (min (max (1- window-min-height) height))
280 (tot (if (numberp gnus-tree-minimize-window)
281 (min gnus-tree-minimize-window min)
283 (win (get-buffer-window (current-buffer)))
284 (wh (and win (1- (window-height win)))))
287 (let ((selected (selected-window)))
289 (enlarge-window (- tot wh))
290 (select-window selected))))))
292 ;; Select the lowest window on the frame.
293 (defun gnus-xmas-appt-select-lowest-window ()
294 (let* ((lowest-window (selected-window))
295 (bottom-edge (car (cdr (cdr (cdr (window-pixel-edges))))))
296 (last-window (previous-window))
299 (let* ((this-window (next-window))
300 (next-bottom-edge (car (cdr (cdr (cdr
303 (when (< bottom-edge next-bottom-edge)
304 (setq bottom-edge next-bottom-edge)
305 (setq lowest-window this-window))
307 (select-window this-window)
308 (when (eq last-window this-window)
309 (select-window lowest-window)
310 (setq window-search nil))))))
312 (defmacro gnus-xmas-menu-add (type &rest menus)
313 `(gnus-xmas-menu-add-1 ',type ',menus))
314 (put 'gnus-xmas-menu-add 'lisp-indent-function 1)
316 (defun gnus-xmas-menu-add-1 (type menus)
317 (when (and menu-bar-mode
318 (gnus-visual-p (intern (format "%s-menu" type)) 'menu))
320 (easy-menu-add (symbol-value (pop menus))))))
322 (defun gnus-xmas-group-menu-add ()
323 (gnus-xmas-menu-add group
324 gnus-group-reading-menu gnus-group-group-menu gnus-group-misc-menu))
326 (defun gnus-xmas-summary-menu-add ()
327 (gnus-xmas-menu-add summary
328 gnus-summary-misc-menu gnus-summary-kill-menu
329 gnus-summary-article-menu gnus-summary-thread-menu
330 gnus-summary-post-menu ))
332 (defun gnus-xmas-article-menu-add ()
333 (gnus-xmas-menu-add article
334 gnus-article-article-menu gnus-article-treatment-menu))
336 (defun gnus-xmas-score-menu-add ()
337 (gnus-xmas-menu-add score
340 (defun gnus-xmas-pick-menu-add ()
341 (gnus-xmas-menu-add pick
344 (defun gnus-xmas-topic-menu-add ()
345 (gnus-xmas-menu-add topic
348 (defun gnus-xmas-binary-menu-add ()
349 (gnus-xmas-menu-add binary
352 (defun gnus-xmas-agent-summary-menu-add ()
353 (gnus-xmas-menu-add agent-summary
354 gnus-agent-summary-menu))
356 (defun gnus-xmas-agent-group-menu-add ()
357 (gnus-xmas-menu-add agent-group
358 gnus-agent-group-menu))
360 (defun gnus-xmas-agent-server-menu-add ()
361 (gnus-xmas-menu-add agent-server
362 gnus-agent-server-menu))
364 (defun gnus-xmas-tree-menu-add ()
365 (gnus-xmas-menu-add tree
368 (defun gnus-xmas-draft-menu-add ()
369 (gnus-xmas-menu-add draft
372 (defun gnus-xmas-server-menu-add ()
373 (gnus-xmas-menu-add menu
374 gnus-server-server-menu gnus-server-connections-menu))
376 (defun gnus-xmas-browse-menu-add ()
377 (gnus-xmas-menu-add browse
380 (defun gnus-xmas-grouplens-menu-add ()
381 (gnus-xmas-menu-add grouplens
382 gnus-grouplens-menu))
384 (defun gnus-xmas-read-event-char ()
385 "Get the next event."
386 (let ((event (next-command-event)))
388 ;; We junk all non-key events. Is this naughty?
389 (while (not (or (key-press-event-p event)
390 (button-press-event-p event)))
391 (dispatch-event event)
392 (setq event (next-command-event)))
393 (cons (and (key-press-event-p event)
394 (event-to-character event))
397 (defun gnus-xmas-seconds-since-epoch (date)
398 "Return a floating point number that says how many seconds have lapsed between Jan 1 12:00:00 1970 and DATE."
399 (let* ((tdate (mapcar (lambda (ti) (and ti (string-to-int ti)))
400 (timezone-parse-date date)))
401 (ttime (mapcar (lambda (ti) (and ti (string-to-int ti)))
403 (aref (timezone-parse-date date) 3))))
404 (edate (mapcar (lambda (ti) (and ti (string-to-int ti)))
405 (timezone-parse-date "Jan 1 12:00:00 1970")))
406 (tday (- (timezone-absolute-from-gregorian
407 (nth 1 tdate) (nth 2 tdate) (nth 0 tdate))
408 (timezone-absolute-from-gregorian
409 (nth 1 edate) (nth 2 edate) (nth 0 edate)))))
412 (* (float (nth 0 ttime)) 60 60)
413 (* (float tday) 60 60 24))))
415 (defun gnus-xmas-define ()
416 (setq gnus-mouse-2 [button2])
418 (unless (memq 'underline (face-list))
419 (and (fboundp 'make-face)
420 (funcall (intern "make-face") 'underline)))
421 ;; Must avoid calling set-face-underline-p directly, because it
422 ;; is a defsubst in emacs19, and will make the .elc files non
424 (unless (face-differs-from-default-p 'underline)
425 (funcall (intern "set-face-underline-p") 'underline t))
428 ((fboundp 'char-or-char-int-p)
429 ;; Handle both types of marks for XEmacs-20.x.
430 (fset 'gnus-characterp 'char-or-char-int-p))
431 ;; V19 of XEmacs, probably.
433 (fset 'gnus-characterp 'characterp)))
435 (fset 'gnus-make-overlay 'make-extent)
436 (fset 'gnus-delete-overlay 'delete-extent)
437 (fset 'gnus-overlay-put 'set-extent-property)
438 (fset 'gnus-move-overlay 'gnus-xmas-move-overlay)
439 (fset 'gnus-overlay-end 'extent-end-position)
440 (fset 'gnus-kill-all-overlays 'gnus-xmas-kill-all-overlays)
441 (fset 'gnus-extent-detached-p 'extent-detached-p)
442 (fset 'gnus-add-text-properties 'gnus-xmas-add-text-properties)
443 (fset 'gnus-put-text-property 'gnus-xmas-put-text-property)
444 (fset 'gnus-deactivate-mark 'ignore)
445 (fset 'gnus-window-edges 'window-pixel-edges)
447 (if (and (<= emacs-major-version 19)
448 (< emacs-minor-version 14))
449 (fset 'gnus-set-text-properties 'gnus-xmas-set-text-properties))
451 (when (fboundp 'turn-off-scroll-in-place)
452 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
454 (unless (boundp 'standard-display-table)
455 (setq standard-display-table nil))
457 (defvar gnus-mouse-face-prop 'highlight)
459 (unless (fboundp 'encode-time)
460 (defun encode-time (sec minute hour day month year &optional zone)
462 (gnus-xmas-seconds-since-epoch
463 (timezone-make-arpa-date
464 year month day (timezone-make-time-string hour minute sec)
466 (list (floor (/ seconds (expt 2 16)))
467 (round (mod seconds (expt 2 16)))))))
469 (defun gnus-byte-code (func)
470 "Return a form that can be `eval'ed based on FUNC."
471 (let ((fval (indirect-function func)))
472 (if (compiled-function-p fval)
474 (cons 'progn (cdr (cdr fval))))))
476 (fset 'gnus-x-color-values
477 (if (fboundp 'x-color-values)
480 (color-instance-rgb-components
481 (make-color-instance color)))))
483 (when (featurep 'mule)
484 (defun gnus-tilde-pad-form (el pad-width)
485 "Return a form that pads EL to PAD-WIDTH."
486 (let ((pad (abs pad-width)))
489 `(let ((val (format "%s" ,el)))
490 (concat val (make-string
491 (max 0 (- ,pad (string-width val))) ?\ )))
492 `(let ((val (format "%s" ,el)))
494 (max 0 (- ,pad (string-width val))) ?\ )
497 `(let ((val (eval ,el)))
498 (concat val (make-string
499 (max 0 (- ,pad (string-width val))) ?\ )))
500 `(let ((val (eval ,el)))
502 (max 0 (- ,pad (string-width val))) ?\ )
506 (defun gnus-xmas-redefine ()
507 "Redefine lots of Gnus functions for XEmacs."
508 (fset 'gnus-summary-set-display-table 'gnus-xmas-summary-set-display-table)
509 (fset 'gnus-visual-turn-off-edit-menu 'identity)
510 (fset 'gnus-summary-recenter 'gnus-xmas-summary-recenter)
511 (fset 'gnus-extent-start-open 'gnus-xmas-extent-start-open)
512 (fset 'gnus-article-push-button 'gnus-xmas-article-push-button)
513 (fset 'gnus-article-add-button 'gnus-xmas-article-add-button)
514 (fset 'gnus-window-top-edge 'gnus-xmas-window-top-edge)
515 (fset 'gnus-read-event-char 'gnus-xmas-read-event-char)
516 (fset 'gnus-group-startup-message 'gnus-xmas-group-startup-message)
517 (fset 'gnus-tree-minimize 'gnus-xmas-tree-minimize)
518 (fset 'gnus-appt-select-lowest-window
519 'gnus-xmas-appt-select-lowest-window)
520 (fset 'gnus-mail-strip-quoted-names 'gnus-xmas-mail-strip-quoted-names)
521 (fset 'gnus-character-to-event 'character-to-event)
522 (fset 'gnus-mode-line-buffer-identification
523 'gnus-xmas-mode-line-buffer-identification)
524 (fset 'gnus-key-press-event-p 'key-press-event-p)
525 (fset 'gnus-region-active-p 'region-active-p)
527 (add-hook 'gnus-group-mode-hook 'gnus-xmas-group-menu-add)
528 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
529 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add)
530 (add-hook 'gnus-score-mode-hook 'gnus-xmas-score-menu-add)
532 (add-hook 'gnus-pick-mode-hook 'gnus-xmas-pick-menu-add)
533 (add-hook 'gnus-topic-mode-hook 'gnus-xmas-topic-menu-add)
534 (add-hook 'gnus-tree-mode-hook 'gnus-xmas-tree-menu-add)
535 (add-hook 'gnus-binary-mode-hook 'gnus-xmas-binary-menu-add)
536 (add-hook 'gnus-grouplens-mode-hook 'gnus-xmas-grouplens-menu-add)
537 (add-hook 'gnus-server-mode-hook 'gnus-xmas-server-menu-add)
538 (add-hook 'gnus-browse-mode-hook 'gnus-xmas-browse-menu-add)
540 (add-hook 'gnus-group-mode-hook 'gnus-xmas-setup-group-toolbar)
541 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
543 (add-hook 'gnus-agent-summary-mode-hook 'gnus-xmas-agent-summary-menu-add)
544 (add-hook 'gnus-agent-group-mode-hook 'gnus-xmas-agent-group-menu-add)
545 (add-hook 'gnus-agent-server-mode-hook 'gnus-xmas-agent-server-menu-add)
547 (add-hook 'gnus-draft-mode-hook 'gnus-xmas-draft-menu-add)
548 (add-hook 'gnus-summary-mode-hook
549 'gnus-xmas-switch-horizontal-scrollbar-off)
550 (add-hook 'gnus-tree-mode-hook 'gnus-xmas-switch-horizontal-scrollbar-off)
552 (when (featurep 'mule)
553 (defun gnus-truncate-string (str end-column &optional start-column padding)
554 "Truncate string STR to end at column END-COLUMN.
555 The optional 2nd arg START-COLUMN, if non-nil, specifies
556 the starting column; that means to return the characters occupying
557 columns START-COLUMN ... END-COLUMN of STR.
559 The optional 3rd arg PADDING, if non-nil, specifies a padding character
560 to add at the end of the result if STR doesn't reach column END-COLUMN,
561 or if END-COLUMN comes in the middle of a character in STR.
562 PADDING is also added at the beginning of the result
563 if column START-COLUMN appears in the middle of a character in STR.
565 If PADDING is nil, no padding is added in these cases, so
566 the resulting string may be narrower than END-COLUMN.
567 \[Emacs 20.3 emulating function]"
569 (setq start-column 0))
570 (let ((len (length str))
573 (head-padding "") (tail-padding "")
574 ch last-column last-idx from-idx)
576 (while (< column start-column)
577 (setq ch (aref str idx)
578 column (+ column (char-width ch))
580 (args-out-of-range (setq idx len)))
581 (if (< column start-column)
582 (if padding (make-string end-column padding) "")
583 (if (and padding (> column start-column))
585 (make-string (- column start-column) padding)))
587 (if (< end-column column)
590 (while (< column end-column)
591 (setq last-column column
594 column (+ column (char-width ch))
596 (args-out-of-range (setq idx len)))
597 (if (> column end-column)
598 (setq column last-column idx last-idx))
599 (if (and padding (< column end-column))
601 (make-string (- end-column column) padding))))
602 (setq str (substring str from-idx idx))
604 (concat head-padding str tail-padding)
607 (defun gnus-tilde-max-form (el max-width)
608 "Return a form that limits EL to MAX-WIDTH."
609 (let ((max (abs max-width)))
612 `(let ((width (string-width ,el)))
613 (gnus-truncate-string ,el width (- width ,max)))
614 `(gnus-truncate-string ,el ,max))
616 `(let* ((val (eval ,el))
617 (width (string-width val)))
618 (gnus-truncate-string val width (- width ,max)))
619 `(let ((val (eval ,el)))
620 (gnus-truncate-string val ,max))))))
622 (defun gnus-tilde-cut-form (el cut-width)
623 "Return a form that cuts CUT-WIDTH off of EL."
624 (let ((cut (abs cut-width)))
627 `(gnus-truncate-string ,el (- (string-width ,el) ,cut))
628 `(gnus-truncate-string ,el (string-width ,el) ,cut))
630 `(let ((val (eval ,el)))
631 (gnus-truncate-string val (- (string-width val) ,cut)))
632 `(let ((val (eval ,el)))
633 (gnus-truncate-string val (string-width val) ,cut))))))
636 ;;; XEmacs logo and toolbar.
638 (defun gnus-xmas-group-startup-message (&optional x y)
639 "Insert startup message in current buffer."
640 ;; Insert the message.
641 (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory "gnus"))
644 ((and (console-on-window-system-p)
647 (let* ((logo-xpm (expand-file-name "gnus.xpm" gnus-xmas-glyph-directory))
648 (logo-xbm (expand-file-name "gnus.xbm" gnus-xmas-glyph-directory))
650 (cond ((featurep 'xpm)
654 (("thing" . ,(car gnus-xmas-logo-colors))
655 ("shadow" . ,(cadr gnus-xmas-logo-colors))
656 ("background" . ,(face-background 'default)))])
658 `[xbm :file ,logo-xbm])
661 (set-extent-begin-glyph (make-extent (point) (point)) glyph)
662 (goto-char (point-min))
664 (insert (make-string (/ (max (- (window-width) (or x 35)) 0) 2)
667 (setq gnus-simple-splash nil))
668 (goto-char (point-min))
669 (let* ((pheight (+ 20 (count-lines (point-min) (point-max))))
670 (wheight (window-height))
671 (rest (- wheight pheight)))
672 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n))))
677 _ ___ __ ___ __ _ ___
697 (gnus-indent-rigidly (point-min) (point-max)
698 (/ (max (- (window-width) (or x 46)) 0) 2))
699 (goto-char (point-min))
701 (let* ((pheight (count-lines (point-min) (point-max)))
702 (wheight (window-height))
703 (rest (- wheight pheight)))
704 (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
706 (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)))
707 (setq modeline-buffer-identification
708 (list (concat gnus-version ": *Group*")))
709 (set-buffer-modified-p t))
714 (defcustom gnus-use-toolbar (if (featurep 'toolbar)
717 "*If nil, do not use a toolbar.
718 If it is non-nil, it must be a toolbar. The five legal values are
719 `default-toolbar', `top-toolbar', `bottom-toolbar',
720 `right-toolbar', and `left-toolbar'."
721 :type '(choice (const default-toolbar)
722 (const top-toolbar) (const bottom-toolbar)
723 (const left-toolbar) (const right-toolbar)
724 (const :tag "no toolbar" nil))
727 (defvar gnus-group-toolbar
728 '([gnus-group-get-new-news gnus-group-get-new-news t "Get new news"]
729 [gnus-group-get-new-news-this-group
730 gnus-group-get-new-news-this-group t "Get new news in this group"]
731 [gnus-group-catchup-current
732 gnus-group-catchup-current t "Catchup group"]
733 [gnus-group-describe-group
734 gnus-group-describe-group t "Describe group"]
735 [gnus-group-unsubscribe gnus-group-unsubscribe t "Unsubscribe group"]
736 [gnus-group-subscribe gnus-group-subscribe t "Subscribe group"]
737 [gnus-group-kill-group gnus-group-kill-group t "Kill group"]
738 [gnus-group-exit gnus-group-exit t "Exit Gnus"]
740 "The group buffer toolbar.")
742 (defvar gnus-summary-toolbar
743 '([gnus-summary-prev-unread
744 gnus-summary-prev-page-or-article t "Page up"]
745 [gnus-summary-next-unread
746 gnus-summary-next-page t "Page down"]
747 [gnus-summary-post-news
748 gnus-summary-post-news t "Post an article"]
749 [gnus-summary-followup-with-original
750 gnus-summary-followup-with-original t
751 "Post a followup and yank the original"]
752 [gnus-summary-followup
753 gnus-summary-followup t "Post a followup"]
754 [gnus-summary-reply-with-original
755 gnus-summary-reply-with-original t "Mail a reply and yank the original"]
757 gnus-summary-reply t "Mail a reply"]
758 [gnus-summary-caesar-message
759 gnus-summary-caesar-message t "Rot 13"]
761 gnus-uu-decode-uu t "Decode uuencoded articles"]
762 [gnus-summary-save-article-file
763 gnus-summary-save-article-file t "Save article in file"]
764 [gnus-summary-save-article
765 gnus-summary-save-article t "Save article"]
767 gnus-uu-post-news t "Post a uuencoded article"]
768 [gnus-summary-cancel-article
769 gnus-summary-cancel-article t "Cancel article"]
770 [gnus-summary-catchup
771 gnus-summary-catchup t "Catchup"]
772 [gnus-summary-catchup-and-exit
773 gnus-summary-catchup-and-exit t "Catchup and exit"]
774 [gnus-summary-exit gnus-summary-exit t "Exit this summary"]
776 "The summary buffer toolbar.")
778 (defvar gnus-summary-mail-toolbar
780 [gnus-summary-prev-unread
781 gnus-summary-prev-unread-article t "Prev unread article"]
782 [gnus-summary-next-unread
783 gnus-summary-next-unread-article t "Next unread article"]
784 [gnus-summary-mail-reply gnus-summary-reply t "Reply"]
785 ; [gnus-summary-mail-get gnus-mail-get t "Message get"]
786 [gnus-summary-mail-originate gnus-summary-post-news t "Originate"]
787 [gnus-summary-mail-save gnus-summary-save-article t "Save"]
788 [gnus-summary-mail-copy gnus-summary-copy-article t "Copy message"]
789 ; [gnus-summary-mail-delete gnus-summary-delete-article t "Delete message"]
790 [gnus-summary-mail-forward gnus-summary-mail-forward t "Forward message"]
791 ; [gnus-summary-mail-spell gnus-mail-spell t "Spell"]
792 ; [gnus-summary-mail-help gnus-mail-help t "Message help"]
793 [gnus-summary-caesar-message
794 gnus-summary-caesar-message t "Rot 13"]
796 gnus-uu-decode-uu t "Decode uuencoded articles"]
797 [gnus-summary-save-article-file
798 gnus-summary-save-article-file t "Save article in file"]
799 [gnus-summary-save-article
800 gnus-summary-save-article t "Save article"]
801 [gnus-summary-catchup
802 gnus-summary-catchup t "Catchup"]
803 [gnus-summary-catchup-and-exit
804 gnus-summary-catchup-and-exit t "Catchup and exit"]
805 [gnus-summary-exit gnus-summary-exit t "Exit this summary"]
807 "The summary buffer mail toolbar.")
809 (defun gnus-xmas-setup-group-toolbar ()
810 (and gnus-use-toolbar
811 (message-xmas-setup-toolbar gnus-group-toolbar nil "gnus")
812 (set-specifier (symbol-value gnus-use-toolbar)
813 (cons (current-buffer) gnus-group-toolbar))))
815 (defun gnus-xmas-setup-summary-toolbar ()
816 (let ((bar (if (gnus-news-group-p gnus-newsgroup-name)
817 gnus-summary-toolbar gnus-summary-mail-toolbar)))
818 (and gnus-use-toolbar
819 (message-xmas-setup-toolbar bar nil "gnus")
820 (set-specifier (symbol-value gnus-use-toolbar)
821 (cons (current-buffer) bar)))))
823 (defun gnus-xmas-mail-strip-quoted-names (address)
824 "Protect mail-strip-quoted-names from NIL input.
825 XEmacs compatibility workaround."
828 (mail-strip-quoted-names address)))
830 (defun gnus-xmas-call-region (command &rest args)
832 'call-process-region (point-min) (point-max) command t '(t nil) nil
835 (defface gnus-x-face '((t (:foreground "black" :background "white")))
836 "Face to show X face"
839 (defun gnus-xmas-article-display-xface (beg end)
840 "Display any XFace headers in the current article."
843 (cond ((featurep 'xface)
844 (make-glyph (vector 'xface :data
846 (buffer-substring beg end)))))
848 (let ((cur (current-buffer)))
850 (gnus-set-work-buffer)
851 (insert (format "%s" (buffer-substring beg end cur)))
852 (gnus-xmas-call-region "uncompface")
853 (goto-char (point-min))
854 (insert "/* Width=48, Height=48 */\n")
855 (gnus-xmas-call-region "icontopbm")
856 (gnus-xmas-call-region "ppmtoxpm")
858 (vector 'xpm :data (buffer-string))))))
860 (make-glyph [nothing]))))
861 (ext (make-extent (progn
862 (goto-char (point-min))
863 (re-search-forward "^From:" nil t)
866 (set-glyph-face xface-glyph 'gnus-x-face)
867 (set-extent-begin-glyph ext xface-glyph)
868 (set-extent-property ext 'duplicable t))))
870 ;;(defvar gnus-xmas-pointer-glyph
872 ;; (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory
874 ;; (let ((file-xpm (expand-file-name "gnus-pointer.xpm"
875 ;; gnus-xmas-glyph-directory))
876 ;; (file-xbm (expand-file-name "gnus-pointer.xbm"
877 ;; gnus-xmas-glyph-directory)))
878 ;; (make-pointer-glyph
879 ;; (list (vector 'xpm ':file file-xpm)
880 ;; (vector 'xbm ':file file-xbm))))))
882 (defvar gnus-xmas-modeline-left-extent
883 (let ((ext (copy-extent modeline-buffer-id-left-extent)))
884 ; (set-extent-property ext 'pointer gnus-xmas-pointer-glyph)
887 (defvar gnus-xmas-modeline-right-extent
888 (let ((ext (copy-extent modeline-buffer-id-right-extent)))
889 ; (set-extent-property ext 'pointer gnus-xmas-pointer-glyph)
892 (defvar gnus-xmas-modeline-glyph
894 (setq gnus-xmas-glyph-directory (message-xmas-find-glyph-directory "gnus"))
895 (let* ((file-xpm (expand-file-name "gnus-pointer.xpm"
896 gnus-xmas-glyph-directory))
897 (file-xbm (expand-file-name "gnus-pointer.xbm"
898 gnus-xmas-glyph-directory))
901 (cond ((featurep 'xpm)
902 ;; Let's try a nifty XPM
903 `[xpm :file ,file-xpm])
905 ;; Then a not-so-nifty XBM
906 [xbm :file ,file-xbm])
907 ;; Then the simple string
908 (t [string :data "Gnus:"])))))
909 (set-glyph-face glyph 'modeline-buffer-id)
912 (defun gnus-xmas-mode-line-buffer-identification (line)
913 (let ((line (car line))
916 ;; This is some weird type of id.
917 ((not (stringp line))
919 ;; This is non-standard, so we just pass it through.
920 ((not (string-match "^Gnus:" line))
922 ;; We have a standard line, so we colorize and glyphize it a bit.
924 (setq chop (match-end 0))
926 (if gnus-xmas-modeline-glyph
927 (cons gnus-xmas-modeline-left-extent gnus-xmas-modeline-glyph)
928 (cons gnus-xmas-modeline-left-extent (substring line 0 chop)))
929 (cons gnus-xmas-modeline-right-extent (substring line chop)))))))
931 (defun gnus-xmas-splash ()
932 (when (eq (device-type) 'x)
937 ;;; gnus-xmas.el ends here