1 ;;; wl-message.el --- Message displaying modules for Wanderlust.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Keywords: mail, net news
8 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
33 (require 'wl-highlight)
41 (defalias-maybe 'event-window 'ignore)
42 (defalias-maybe 'posn-window 'ignore)
43 (defalias-maybe 'event-start 'ignore)
44 (defalias-maybe 'mime-open-entity 'ignore)
45 (defalias-maybe 'itimer-function 'ignore)
46 (defalias-maybe 'delete-itimer 'ignore)
47 (defvar-maybe itimer-list))
49 (defvar wl-message-buffer-prefetch-get-next-function
50 'wl-summary-default-get-next-msg)
52 (defvar wl-message-buffer-prefetch-debug nil)
53 (defvar wl-message-buffer-prefetch-timer nil)
55 (defvar wl-message-buffer nil) ; message buffer.
57 (defvar wl-message-buffer-cur-summary-buffer nil)
58 (defvar wl-message-buffer-cur-folder nil)
59 (defvar wl-message-buffer-cur-number nil)
60 (defvar wl-message-buffer-cur-flag nil)
61 (defvar wl-message-buffer-cur-summary-buffer nil)
62 (defvar wl-message-buffer-original-buffer nil) ; original buffer.
63 (defvar wl-message-buffer-all-header-flag nil)
64 (defvar wl-message-buffer-mode-line-formatter nil)
66 (make-variable-buffer-local 'wl-message-buffer-cur-folder)
67 (make-variable-buffer-local 'wl-message-buffer-cur-number)
68 (make-variable-buffer-local 'wl-message-buffer-cur-flag)
69 (make-variable-buffer-local 'wl-message-buffer-cur-summary-buffer)
70 (make-variable-buffer-local 'wl-message-buffer-original-buffer)
71 (make-variable-buffer-local 'wl-message-buffer-all-header-flag)
72 (make-variable-buffer-local 'wl-message-buffer-mode-line-formatter)
74 (defvar wl-fixed-window-configuration nil)
76 (defvar wl-message-buffer-cache-size 10) ; At least 1.
78 ;;; Message buffer cache.
80 (defvar wl-message-buffer-cache nil
81 "Message cache. (old ... new) order alist.
82 With association ((\"folder\" message \"message-id\") . cache-buffer).")
84 (defmacro wl-message-buffer-cache-buffer-get (entry)
87 (defmacro wl-message-buffer-cache-folder-get (entry)
88 (` (car (car (, entry)))))
90 (defmacro wl-message-buffer-cache-message-get (entry)
91 (` (cdr (car (, entry)))))
93 (defmacro wl-message-buffer-cache-entry-make (key buf)
94 (` (cons (, key) (, buf))))
96 (defmacro wl-message-buffer-cache-hit (key)
97 "Return value assosiated with key."
98 (` (wl-message-buffer-cache-buffer-get
99 (assoc (, key) wl-message-buffer-cache))))
101 (defun wl-message-buffer-cache-sort (entry)
102 "Move ENTRY to the top of `wl-message-buffer-cache'."
103 (setq wl-message-buffer-cache
104 (cons entry (delete entry wl-message-buffer-cache))))
105 ; (let* ((pointer (cons nil wl-message-buffer-cache))
107 ; (while (cdr pointer)
108 ; (if (equal (car (cdr pointer)) entry)
109 ; (setcdr pointer (cdr (cdr pointer)))
110 ; (setq pointer (cdr pointer))))
111 ; (setcdr pointer (list entry))
112 ; (setq wl-message-buffer-cache (cdr top))))
114 (defconst wl-original-message-buffer-name " *Original*")
116 (defun wl-original-message-mode ()
117 "A major mode for original message buffer."
118 (setq major-mode 'wl-original-message-mode)
119 (setq buffer-read-only t)
120 (elmo-set-buffer-multibyte nil)
121 (setq mode-name "Wanderlust original message"))
123 (defun wl-original-message-buffer-get (name)
124 "Get original message buffer for NAME.
125 If original message buffer already exists, it is re-used."
126 (let* ((name (concat wl-original-message-buffer-name name))
127 (buffer (get-buffer name)))
128 (unless (and buffer (buffer-live-p buffer))
129 (with-current-buffer (setq buffer (get-buffer-create name))
130 (wl-original-message-mode)))
133 (defun wl-message-buffer-create ()
134 "Create a new message buffer."
135 (let* ((buffer (generate-new-buffer wl-message-buffer-name))
136 (name (buffer-name buffer)))
137 (with-current-buffer buffer
138 (setq wl-message-buffer-original-buffer
139 (wl-original-message-buffer-get name))
140 (run-hooks 'wl-message-buffer-created-hook))
143 (defun wl-message-buffer-cache-add (key)
144 "Add (KEY . buf) to the top of `wl-message-buffer-cache'.
145 Return its cache buffer."
146 (let ((len (length wl-message-buffer-cache))
148 (if (< len wl-message-buffer-cache-size)
149 (setq buf (wl-message-buffer-create))
150 (setq buf (wl-message-buffer-cache-buffer-get
151 (nth (1- len) wl-message-buffer-cache)))
152 (setcdr (nthcdr (- len 2) wl-message-buffer-cache) nil))
153 (setq wl-message-buffer-cache
154 (cons (wl-message-buffer-cache-entry-make key buf)
155 wl-message-buffer-cache))
158 (defun wl-message-buffer-cache-delete (&optional key)
159 "Delete the most recent cache entry"
161 (setq wl-message-buffer-cache
162 (delq (assoc key wl-message-buffer-cache)
163 wl-message-buffer-cache))
164 (let ((buf (wl-message-buffer-cache-buffer-get
165 (car wl-message-buffer-cache))))
166 (setq wl-message-buffer-cache
167 (nconc (cdr wl-message-buffer-cache)
168 (list (wl-message-buffer-cache-entry-make nil buf)))))))
170 (defun wl-message-buffer-cache-clean-up ()
171 "A function to flush all decoded messages in cache list."
173 (if (and (eq major-mode 'wl-summary-mode)
175 (get-buffer-window wl-message-buffer))
176 (delete-window (get-buffer-window wl-message-buffer)))
177 (wl-kill-buffers (regexp-quote wl-message-buffer-name))
178 (setq wl-message-buffer-cache nil))
180 ;;; Message buffer handling from summary buffer.
182 (defun wl-message-buffer-window ()
183 "Get message buffer window if any."
184 (let* ((start-win (selected-window))
188 (setq cur-win (next-window cur-win))
189 (with-current-buffer (window-buffer cur-win)
190 (if (or (eq major-mode 'wl-message-mode)
191 (eq major-mode 'mime-view-mode))
192 (throw 'found cur-win)))
193 (not (eq cur-win start-win)))))))
195 (defun wl-message-select-buffer (buffer)
196 "Select BUFFER as a message buffer."
197 (let ((window (get-buffer-window buffer))
198 (sum (car wl-message-window-size))
199 (mes (cdr wl-message-window-size))
202 (not (eq (save-excursion (set-buffer (window-buffer window))
203 wl-message-buffer-cur-summary-buffer)
205 (delete-window window)
206 (run-hooks 'wl-message-window-deleted-hook)
209 (select-window window)
210 (when wl-fixed-window-configuration
211 (delete-other-windows)
212 (and wl-stay-folder-window
213 (wl-summary-toggle-disp-folder)))
214 ;; There's no buffer window. Search for message window and snatch it.
215 (if (setq window (wl-message-buffer-window))
216 (select-window window)
217 (setq whi (1- (window-height)))
220 (let ((total (+ sum mes)))
221 (setq sum (max window-min-height (/ (* whi sum) total)))
222 (setq mes (max window-min-height (/ (* whi mes) total))))
223 (if (< whi (+ sum mes))
224 (enlarge-window (- (+ sum mes) whi)))))
225 (split-window (get-buffer-window (current-buffer)) sum)
227 (switch-to-buffer buffer)))
229 (defun wl-message-narrow-to-page (&optional arg)
231 If ARG is specified, narrow to ARGth page."
233 (setq arg (if arg (prefix-numeric-value arg) 0))
236 (forward-page -1) ; Beginning of current page.
238 (goto-char (point-min))))
239 (forward-char 1) ; for compatibility with emacs-19.28 and emacs-19.29
242 ((> arg 0) (forward-page arg))
243 ((< arg 0) (forward-page (1- arg))))
246 (narrow-to-region (point)
249 (if (and (eolp) (not (bobp)))
253 (defun wl-message-prev-page (&optional lines)
254 "Scroll down current message by LINES.
255 Returns non-nil if top of message."
257 (let (cur-buf top real-top)
258 (unless (eq major-mode 'mime-view-mode)
259 (when (buffer-live-p wl-message-buffer)
260 (setq cur-buf (current-buffer))
261 (wl-message-select-buffer wl-message-buffer)))
262 (move-to-window-line 0)
263 (if (and wl-break-pages
265 (not (setq real-top (save-restriction (widen) (bobp)))))
267 (wl-message-narrow-to-page -1)
268 (goto-char (point-max))
272 (scroll-down (or lines wl-message-scroll-amount))
276 (let ((f (assq (mime-preview-original-major-mode)
277 mime-preview-over-to-previous-method-alist)))
278 (if f (funcall (cdr f))))
280 (select-window (get-buffer-window cur-buf))))
283 (defun wl-message-next-page (&optional lines)
284 "Scroll up current message by LINES.
285 Returns non-nil if bottom of message."
287 (let (cur-buf bottom)
288 (unless (eq major-mode 'mime-view-mode)
289 (when (buffer-live-p wl-message-buffer)
290 (setq cur-buf (current-buffer))
291 (wl-message-select-buffer wl-message-buffer)))
292 (move-to-window-line -1)
295 (and (pos-visible-in-window-p)
297 (if (or (null wl-break-pages)
300 (widen) (forward-line) (eobp))))
302 (wl-message-narrow-to-page 1)
305 (static-if (boundp 'window-pixel-scroll-increment)
306 ;; XEmacs 21.2.20 and later.
307 (let (window-pixel-scroll-increment)
308 (scroll-up (or lines wl-message-scroll-amount)))
309 (scroll-up (or lines wl-message-scroll-amount)))
311 (goto-char (point-max))))
314 (let ((f (assq (mime-preview-original-major-mode)
315 mime-preview-over-to-next-method-alist)))
316 (if f (funcall (cdr f))))
318 (select-window (get-buffer-window cur-buf))))
322 (defun wl-message-follow-current-entity (buffer)
323 "Follow to current message."
324 (wl-draft-reply (wl-message-get-original-buffer)
325 nil wl-message-buffer-cur-summary-buffer) ; reply to all
326 (let ((mail-reply-buffer buffer))
327 (wl-draft-yank-from-mail-reply-buffer nil)))
331 (defun wl-message-mode ()
332 "A major mode for message displaying."
334 (setq major-mode 'wl-message-mode)
335 (setq buffer-read-only t)
336 (setq mode-name "Message"))
338 (defun wl-message-exit ()
339 "Move to summary buffer."
341 (let (summary-buf summary-win)
342 (if (setq summary-buf wl-message-buffer-cur-summary-buffer)
343 (if (setq summary-win (get-buffer-window summary-buf))
344 (select-window summary-win)
345 (switch-to-buffer summary-buf)
346 (wl-message-select-buffer wl-message-buffer)
347 (select-window (get-buffer-window summary-buf))))
348 (run-hooks 'wl-message-exit-hook)))
350 (defun wl-message-toggle-disp-summary ()
352 (let ((summary-buf (get-buffer wl-message-buffer-cur-summary-buffer))
355 (buffer-live-p summary-buf))
356 (if (setq summary-win (get-buffer-window summary-buf))
357 (delete-window summary-win)
358 (switch-to-buffer summary-buf)
359 (wl-message-select-buffer wl-message-buffer))
360 (wl-summary-goto-folder-subr wl-message-buffer-cur-folder 'no-sync
363 (let ((sum-buf (current-buffer)))
364 (wl-message-select-buffer wl-message-buffer)
365 (setq wl-message-buffer-cur-summary-buffer sum-buf)))))
367 (defun wl-message-get-original-buffer ()
368 "Get original buffer for current message buffer."
369 (if (buffer-live-p wl-message-buffer-original-buffer)
370 wl-message-buffer-original-buffer
371 (wl-original-message-buffer-get (buffer-name (current-buffer)))))
373 (defun wl-message-add-buttons-to-body (start end)
376 (narrow-to-region start end)
377 (let ((case-fold-search t)
378 (alist wl-message-body-button-alist)
381 (setq entry (car alist)
383 (goto-char (point-min))
384 (while (re-search-forward (car entry) (+ (point) (nth 4 entry)) t)
385 (unless (get-text-property (point) 'keymap)
386 (wl-message-add-button
387 (match-beginning (nth 1 entry))
388 (match-end (nth 1 entry))
390 (match-string (nth 3 entry))))))))))
392 (defun wl-message-add-buttons-to-header (start end)
395 (narrow-to-region start end)
396 (let ((case-fold-search t)
397 (alist wl-message-header-button-alist)
400 (setq entry (car alist)
402 (goto-char (point-min))
403 (while (re-search-forward (car entry) nil t)
404 (setq start (match-beginning 0)
405 end (if (re-search-forward "^[^ \t]" nil t)
409 (while (re-search-forward (nth 1 entry) end t)
410 (wl-message-add-button
411 (match-beginning (nth 2 entry))
412 (match-end (nth 2 entry))
413 (nth 3 entry) (match-string (nth 4 entry))))
414 (goto-char end)))))))
416 (defun wl-message-redisplay (folder number flag &optional force-reload)
417 (let* ((default-mime-charset wl-mime-charset)
418 (buffer-read-only nil)
419 (summary-buf (current-buffer))
423 header-end real-fld-num summary-win delim)
424 (setq buffer-read-only nil)
425 (setq cache-used (wl-message-buffer-display
426 folder number flag force-reload))
427 (setq wl-message-buffer (car cache-used))
428 (setq message-buf wl-message-buffer)
429 (wl-message-select-buffer wl-message-buffer)
431 (set-buffer message-buf)
432 (make-local-variable 'truncate-partial-width-windows)
433 (setq truncate-partial-width-windows nil)
434 (setq truncate-lines wl-message-truncate-lines)
435 (setq buffer-read-only nil)
436 (setq wl-message-buffer-cur-summary-buffer summary-buf)
437 (setq wl-message-buffer-cur-folder (elmo-folder-name-internal folder))
438 (setq wl-message-buffer-cur-number number)
439 (wl-line-formatter-setup
440 wl-message-buffer-mode-line-formatter
441 wl-message-mode-line-format
442 wl-message-mode-line-format-spec-alist)
443 (setq mode-line-buffer-identification
444 (funcall wl-message-buffer-mode-line-formatter))
446 ; (when wl-highlight-body-too
447 ; (wl-highlight-body))
448 (ignore-errors (wl-message-narrow-to-page))
449 (setq cache-used (cdr cache-used))
450 (goto-char (point-min))
451 (when (re-search-forward "^$" nil t)
452 (wl-message-add-buttons-to-header (point-min) (point))
453 (wl-message-add-buttons-to-body (point) (point-max)))
454 (goto-char (point-min))
455 (ignore-errors (run-hooks 'wl-message-redisplay-hook))
456 ;; go back to summary mode
457 (set-buffer-modified-p nil)
458 (setq buffer-read-only t)
459 (set-buffer summary-buf)
460 (setq summary-win (get-buffer-window summary-buf))
461 (if (window-live-p summary-win)
462 (select-window summary-win))
465 ;; Use message buffer cache.
466 (defun wl-message-buffer-display (folder number flag
467 &optional force-reload unread)
468 (let* ((msg-id (elmo-message-field folder number 'message-id))
469 (fname (elmo-folder-name-internal folder))
470 (hit (wl-message-buffer-cache-hit (list fname number msg-id)))
473 (when (and hit (not (buffer-live-p hit)))
474 (wl-message-buffer-cache-delete (list fname number msg-id))
478 ;; move hit to the top.
479 (wl-message-buffer-cache-sort
480 (wl-message-buffer-cache-entry-make (list fname number msg-id) hit))
481 ;; buffer cache is used.
483 (with-current-buffer hit
484 ;; Rewind to the top page
486 (goto-char (point-min))
487 (ignore-errors (wl-message-narrow-to-page))
488 (unless (eq wl-message-buffer-cur-flag flag)
490 ;; delete tail and add new to the top.
491 (setq hit (wl-message-buffer-cache-add (list fname number msg-id)))
493 (if (or force-reload read)
499 (wl-message-display-internal folder number flag
500 force-reload unread))
501 (setq wl-message-buffer-cur-flag flag))
503 (wl-message-buffer-cache-delete)
504 (error "Display message %s/%s is quitted" fname number))
506 (wl-message-buffer-cache-delete)
507 (signal (car err) (cdr err))
508 nil))) ;; will not be used
509 (cons hit cache-used)))
511 (defun wl-message-display-internal (folder number flag
512 &optional force-reload unread)
513 (let ((default-mime-charset wl-mime-charset)
514 (elmo-mime-charset wl-mime-charset))
515 (setq wl-message-buffer-all-header-flag (eq flag 'all-header))
518 (let (wl-highlight-x-face-function)
519 (prog1 (elmo-mime-display-as-is folder number
521 (wl-message-get-original-buffer)
522 'wl-original-message-mode
525 (wl-message-define-keymap))
526 (let (buffer-read-only)
527 (wl-highlight-message (point-min) (point-max) t))))
528 (elmo-mime-message-display folder number
530 (wl-message-get-original-buffer)
531 'wl-original-message-mode
534 (wl-message-define-keymap)))
535 (run-hooks 'wl-message-display-internal-hook)
536 (setq buffer-read-only t))))
538 (defsubst wl-message-buffer-prefetch-p (folder &optional number)
539 (and (or (not number)
540 (elmo-message-file-p folder number)
541 (let ((size (elmo-message-field folder number 'size)))
542 (not (and (integerp size)
543 wl-message-buffer-prefetch-threshold
544 (>= size wl-message-buffer-prefetch-threshold)))))
546 (elmo-folder-plugged-p folder)
547 (elmo-file-cache-exists-p
548 (elmo-message-field folder number 'message-id)))
550 ((eq wl-message-buffer-prefetch-folder-type-list t)
552 ((and number wl-message-buffer-prefetch-folder-type-list)
553 (memq (elmo-folder-type-internal
554 (elmo-message-folder folder number))
555 wl-message-buffer-prefetch-folder-type-list))
556 (wl-message-buffer-prefetch-folder-type-list
557 (let ((list wl-message-buffer-prefetch-folder-type-list)
560 (while (setq type (pop list))
561 (if (elmo-folder-contains-type folder type)
562 (throw 'done t)))))))
564 ((consp wl-message-buffer-prefetch-folder-list)
565 (wl-string-match-member (elmo-folder-name-internal folder)
566 wl-message-buffer-prefetch-folder-list))
567 (t wl-message-buffer-prefetch-folder-list)))))
569 (defsubst wl-message-buffer-prefetch-clear-timer ()
570 ;;; cannot use for the bug of fsf-compat package (1.09).
571 ;;; (cancel-function-timers 'wl-message-buffer-prefetch-subr)
572 (if (fboundp 'run-with-idle-timer)
573 (if (featurep 'xemacs)
574 (let ((p itimer-list))
576 (if (eq 'wl-message-buffer-prefetch-subr
577 (itimer-function (car p)))
578 (delete-itimer (car p)))
580 ;; FSF Emacs is correct
581 (cancel-function-timers 'wl-message-buffer-prefetch-subr))))
583 (defsubst wl-message-buffer-prefetch-set-timer (folder number count
585 (if (not (fboundp 'run-with-idle-timer))
586 (when (sit-for wl-message-buffer-prefetch-idle-time)
587 (wl-message-buffer-prefetch-subr
588 folder number count summary charset))
590 wl-message-buffer-prefetch-idle-time
592 'wl-message-buffer-prefetch-subr
593 folder number count summary charset)))
595 (defvar wl-message-buffer-prefetch-move-spec-plugged-alist nil)
596 (defvar wl-message-buffer-prefetch-move-spec-unplugged-alist nil)
598 (defun wl-message-buffer-prefetch-get-next (folder number summary)
599 (if (buffer-live-p summary)
600 (with-current-buffer summary
601 (let ((wl-summary-move-spec-plugged-alist
602 (or wl-message-buffer-prefetch-move-spec-plugged-alist
603 wl-summary-move-spec-plugged-alist))
604 (wl-summary-move-spec-unplugged-alist
605 (or wl-message-buffer-prefetch-move-spec-unplugged-alist
606 wl-summary-move-spec-unplugged-alist))
608 (while (and (setq next (funcall
609 wl-message-buffer-prefetch-get-next-function
611 (not (wl-message-buffer-prefetch-p folder next))))
614 (defun wl-message-buffer-prefetch (folder number count
615 &optional summary charset)
616 (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
619 (wl-message-buffer-prefetch-p folder))
620 (unless (wl-message-buffer-prefetch-p folder number)
622 (wl-message-buffer-prefetch-get-next folder number summary)))
624 (wl-message-buffer-prefetch-clear-timer)
625 (wl-message-buffer-prefetch-set-timer
626 folder num count summary charset)))))
628 (defun wl-message-buffer-prefetch-next (folder number count
629 &optional summary charset)
630 (let* ((summary (or summary (get-buffer wl-summary-buffer-name)))
633 (wl-message-buffer-prefetch-p folder))
634 (setq next (wl-message-buffer-prefetch-get-next folder number summary))
636 (wl-message-buffer-prefetch-clear-timer)
637 (wl-message-buffer-prefetch-set-timer
638 folder next count summary charset)))))
640 (defun wl-message-buffer-prefetch-subr (folder number count summary charset)
641 (if (buffer-live-p summary)
642 (with-current-buffer summary
645 (>= (setq count (- count 1)) 0)
646 (string= (elmo-folder-name-internal folder)
647 (wl-summary-buffer-folder-name)))
648 (let* ((wl-mime-charset charset)
649 (default-mime-charset charset)
650 (message-id (elmo-message-field folder number 'message-id))
651 (key (list (elmo-folder-name-internal folder)
653 (hit (wl-message-buffer-cache-hit key))
654 result time1 time2 sec micro)
655 (when wl-message-buffer-prefetch-debug
656 (message "%d: count %d, hit %s" number count (buffer-name hit)))
657 (if (and hit (buffer-live-p hit))
659 (wl-message-buffer-cache-sort
660 (wl-message-buffer-cache-entry-make key hit))
661 (wl-message-buffer-prefetch-subr
663 (wl-message-buffer-prefetch-get-next
664 folder number summary)
665 count summary charset))
667 (when wl-message-buffer-prefetch-debug
668 (setq time1 (current-time))
669 (message "Prefetching %d..." number))
670 (setq result (wl-message-buffer-display
671 folder number 'mime nil 'unread))
672 (when wl-message-buffer-prefetch-debug
673 (setq time2 (current-time))
674 (setq sec (- (nth 1 time2)(nth 1 time1)))
675 (setq micro (- (nth 2 time2)(nth 2 time1)))
676 (setq micro (+ micro (* 1000000 sec)))
677 (message "Prefetching %d...done(%f msec)."
682 (wl-message-buffer-prefetch-set-timer
684 (wl-message-buffer-prefetch-get-next
685 folder number summary)
686 count summary charset)
691 (when wl-message-buffer-prefetch-debug
692 (message "Buffer Cached Messages: %s"
695 (if (numberp (nth 1 (car cache)))
698 (elmo-folder-name-internal folder))
701 (format "*%d" (nth 1 (car cache))))
703 wl-message-buffer-cache " "))) )))
705 (defvar wl-message-button-map (make-sparse-keymap))
707 (defun wl-message-add-button (from to function &optional data)
708 "Create a button between FROM and TO with callback FUNCTION and DATA."
711 (nconc (list 'wl-message-button-callback function)
713 (list 'wl-message-button-data data))))
714 (let ((ov (make-overlay from to)))
715 (overlay-put ov 'mouse-face 'highlight)
716 (overlay-put ov 'local-map wl-message-button-map)
717 (overlay-put ov 'evaporate t)))
719 (defun wl-message-button-dispatcher (event)
720 "Select the button under point."
722 (mouse-set-point event)
723 (let ((callback (get-text-property (point) 'wl-message-button-callback))
724 (data (get-text-property (point) 'wl-message-button-data)))
726 (funcall callback data)
727 (wl-message-button-dispatcher-internal event))))
729 (defun wl-message-button-refer-article (data)
730 "Read article specified by Message-ID DATA at point."
731 (switch-to-buffer-other-window
732 wl-message-buffer-cur-summary-buffer)
733 (if (wl-summary-jump-to-msg-by-message-id data)
734 (wl-summary-redisplay)))
736 (defun wl-message-uu-substring (buf outbuf &optional first last)
739 (search-forward "\n\n")
741 ep filename case-fold-search)
745 (if (re-search-forward "^begin[ \t]+[0-9]+[ \t]+\\([^ ].*\\)" nil t)
746 (setq filename (buffer-substring (match-beginning 1)(match-end 1)))
748 (re-search-forward "^M.*$" nil t)) ; uuencoded string
751 (goto-char (point-max))
753 (re-search-backward "^end" sp t)
754 (re-search-backward "^M.*$" sp t)) ; uuencoded string
758 (goto-char (point-max))
759 (insert-buffer-substring buf sp ep)
764 (product-provide (provide 'wl-message) (require 'wl-version))
766 ;;; wl-message.el ends here