1 ;;; wl-thread.el --- Thread display modules for Wanderlust.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
10 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
12 ;; This program 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 ;; This program 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., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
35 (require 'wl-highlight)
36 (eval-when-compile (require 'cl))
38 ;; buffer local variables.
39 ;;(defvar wl-thread-top-entity '(nil t nil nil)) ; top entity
40 (defvar wl-thread-tops nil) ; top number list (number)
41 (defvar wl-thread-entities nil)
42 (defvar wl-thread-entity-list nil) ; entity list
43 (defvar wl-thread-entity-hashtb nil) ; obarray
45 (make-variable-buffer-local 'wl-thread-entity-hashtb)
46 (make-variable-buffer-local 'wl-thread-entities) ; ".wl-thread-entity"
47 (make-variable-buffer-local 'wl-thread-entity-list) ; ".wl-thread-entity-list"
50 (defvar wl-thread-insert-force-opened nil)
52 ;;;;;; each entity is (number opened-or-not children parent) ;;;;;;;
54 (defun wl-thread-resume-entity (fld)
55 (let (entities top-list)
56 (setq entities (wl-summary-load-file-object
57 (expand-file-name wl-thread-entity-file
58 (elmo-folder-msgdb-path fld))))
60 (wl-summary-load-file-object
61 (expand-file-name wl-thread-entity-list-file
62 (elmo-folder-msgdb-path fld))))
63 (message "Resuming thread structure...")
65 (setq wl-thread-entity-hashtb (elmo-make-hash (* (length entities) 2)))
66 ;; set buffer local variables.
67 (setq wl-thread-entities entities)
68 (setq wl-thread-entity-list top-list)
70 (elmo-set-hash-val (format "#%d" (car (car entities))) (car entities)
71 wl-thread-entity-hashtb)
72 (setq entities (cdr entities)))
73 (wl-thread-make-number-list)
74 (message "Resuming thread structure...done")))
76 (defun wl-thread-make-number-list ()
77 "Make `wl-summary-buffer-number-list', a list of message numbers."
78 (let* ((node (wl-thread-get-entity (car wl-thread-entity-list)))
79 (children (wl-thread-entity-get-children node))
81 (setq wl-summary-buffer-number-list (list (car wl-thread-entity-list)))
83 (wl-thread-entity-make-number-list-from-children
84 (wl-thread-get-entity (car children)))
85 (setq children (cdr children)))
87 (setq parent (wl-thread-entity-get-parent-entity node)
88 sibling (wl-thread-entity-get-younger-brothers
91 (wl-thread-entity-make-number-list-from-children
92 (wl-thread-get-entity (car sibling)))
93 (setq sibling (cdr sibling)))
95 (setq wl-summary-buffer-number-list (nreverse
96 wl-summary-buffer-number-list))))
98 (defun wl-thread-entity-make-number-list-from-children (entity)
99 (let ((msgs (list (car entity)))
102 (setq wl-summary-buffer-number-list (cons (car entity)
103 wl-summary-buffer-number-list))
104 (setq msgs (cdr msgs))
105 (setq children (wl-thread-entity-get-children entity))
108 (wl-push msgs msgs-stack)
109 (setq msgs children))
111 (while (and (null msgs) msgs-stack)
112 (setq msgs (wl-pop msgs-stack)))))
113 (setq entity (wl-thread-get-entity (car msgs))))))
115 (defun wl-thread-save-entity (dir)
116 (wl-thread-save-entities dir)
117 (wl-thread-save-top-list dir))
119 (defun wl-thread-save-top-list (dir)
120 (let ((top-file (expand-file-name wl-thread-entity-list-file dir))
121 (entity wl-thread-entity-list)
122 (tmp-buffer (get-buffer-create " *wl-thread-save-top-list*"))
125 (set-buffer tmp-buffer)
127 (when (file-writable-p top-file)
128 (prin1 entity tmp-buffer)
129 (princ "\n" tmp-buffer)
130 (write-region (point-min) (point-max) top-file nil 'no-msg)
131 (kill-buffer tmp-buffer)))))
133 (defun wl-thread-save-entities (dir)
134 (let ((top-file (expand-file-name wl-thread-entity-file dir))
135 (entities wl-thread-entities)
136 (tmp-buffer (get-buffer-create " *wl-thread-save-entities*"))
137 print-length print-level)
139 (set-buffer tmp-buffer)
141 (when (file-writable-p top-file)
142 (prin1 entities tmp-buffer)
143 (princ "\n" tmp-buffer)
144 (write-region (point-min) (point-max) top-file nil 'no-msg)
145 (kill-buffer tmp-buffer)))))
147 (defsubst wl-thread-entity-get-number (entity)
149 (defsubst wl-thread-entity-get-opened (entity)
151 (defsubst wl-thread-entity-get-children (entity)
153 (defsubst wl-thread-entity-get-parent (entity)
155 (defsubst wl-thread-entity-get-linked (entity)
158 (defsubst wl-thread-create-entity (num parent &optional opened linked)
159 (list num (or opened wl-thread-insert-opened) nil parent linked))
161 (defsubst wl-thread-get-entity (num)
163 (elmo-get-hash-val (format "#%d" num) wl-thread-entity-hashtb)))
165 (defsubst wl-thread-entity-set-parent (entity parent)
166 (setcar (cdddr entity) parent)
169 (defsubst wl-thread-entity-set-children (entity children)
170 (setcar (cddr entity) children))
172 (defsubst wl-thread-entity-set-linked (entity linked)
174 (setcar (cddddr entity) linked)
175 (nconc entity (list linked)))
178 (defsubst wl-thread-reparent-children (children parent)
180 (wl-thread-entity-set-parent
181 (wl-thread-get-entity (car children)) parent)
182 (wl-thread-entity-set-linked
183 (wl-thread-get-entity (car children)) t)
184 (setq children (cdr children))))
186 (defsubst wl-thread-entity-insert-as-top (entity)
189 (wl-append wl-thread-entity-list (list (car entity)))
190 (setq wl-thread-entities (cons entity wl-thread-entities))
191 (setq wl-summary-buffer-number-list
192 (nconc wl-summary-buffer-number-list (list (car entity))))
193 (elmo-set-hash-val (format "#%d" (car entity)) entity
194 wl-thread-entity-hashtb)))
196 (defsubst wl-thread-entity-insert-as-children (to entity)
197 (let ((children (wl-thread-entity-get-children to))
200 (elmo-list-insert wl-summary-buffer-number-list
201 (wl-thread-entity-get-number entity)
204 (wl-thread-entity-get-children curp))
205 (setq curp (wl-thread-get-entity
206 (nth (- (length curc) 1)
208 (wl-thread-entity-get-number curp)))
209 (setcar (cddr to) (wl-append children
210 (list (car entity))))
211 (setq wl-thread-entities (cons entity wl-thread-entities))
212 (elmo-set-hash-val (format "#%d" (car entity)) entity
213 wl-thread-entity-hashtb)))
215 (defsubst wl-thread-entity-set-opened (entity opened)
216 (setcar (cdr entity) opened))
218 (defsubst wl-thread-entity-get-children-num (entity)
221 (msgs (list (car entity))))
223 (setq msgs (cdr msgs))
224 (setq children (wl-thread-entity-get-children entity))
226 (while (and (null msgs) msgs-stack)
227 (setq msgs (wl-pop msgs-stack)))
228 (setq ret-val (+ (or ret-val 0) (length children)))
229 (wl-push msgs msgs-stack)
230 (setq msgs children))
231 (setq entity (wl-thread-get-entity (car msgs))))
234 (defsubst wl-thread-entity-get-descendant (entity)
237 (msgs (list (car entity))))
239 (setq msgs (cdr msgs))
240 (setq children (wl-thread-entity-get-children entity))
242 (while (and (null msgs) msgs-stack)
243 (setq msgs (wl-pop msgs-stack)))
244 (setq ret-val (append ret-val (copy-sequence children)))
245 (wl-push msgs msgs-stack)
246 (setq msgs children))
247 (setq entity (wl-thread-get-entity (car msgs))))
250 (defsubst wl-thread-entity-get-parent-entity (entity)
251 (wl-thread-get-entity (wl-thread-entity-get-parent entity)))
253 (defun wl-thread-entity-get-top-entity (entity)
254 (let ((cur-entity entity)
256 (while (setq p-num (wl-thread-entity-get-parent cur-entity))
257 (setq cur-entity (wl-thread-get-entity p-num)))
260 (defun wl-thread-entity-parent-invisible-p (entity)
261 "If parent of ENTITY is invisible, the top invisible ancestor entity of
263 (let ((cur-entity entity)
266 (while (setq cur-entity (wl-thread-entity-get-parent-entity
268 (if (null (wl-thread-entity-get-number cur-entity))
270 (when (not (wl-thread-entity-get-opened cur-entity))
271 (setq top cur-entity)))))
274 (defun wl-thread-entity-get-nearly-older-brother (entity &optional parent)
275 (let ((brothers (wl-thread-entity-get-older-brothers entity parent)))
277 (car (last brothers)))))
279 (defun wl-thread-entity-get-older-brothers (entity &optional parent)
280 (let* ((parent (or parent
281 (wl-thread-entity-get-parent-entity entity)))
282 (brothers (wl-thread-entity-get-children parent))
286 (setq brothers wl-thread-entity-list))
288 (not (eq (wl-thread-entity-get-number entity)
290 (wl-append ret-val (list (car brothers)))
291 (setq brothers (cdr brothers)))
294 (defun wl-thread-entity-get-younger-brothers (entity &optional parent)
295 (let* ((parent (or parent
296 (wl-thread-entity-get-parent-entity entity)))
297 (brothers (wl-thread-entity-get-children parent)))
299 (cdr (memq (wl-thread-entity-get-number entity)
302 (cdr (memq (car entity) wl-thread-entity-list)))))
304 (defun wl-thread-jump-to-msg (&optional number)
306 (let ((num (or number
308 (read-from-minibuffer "Jump to Message(No.): ")))))
309 (wl-thread-entity-force-open (wl-thread-get-entity num))
310 (wl-summary-jump-to-msg num)))
312 (defun wl-thread-close-all ()
313 "Close all top threads."
315 (message "Closing all threads...")
317 (let ((entities wl-thread-entity-list)
319 (len (length wl-thread-entity-list)))
321 (when (and (wl-thread-entity-get-opened (wl-thread-get-entity
323 (wl-thread-entity-get-children (wl-thread-get-entity
325 (wl-summary-jump-to-msg (car entities))
326 (wl-thread-open-close))
327 (when (> len elmo-display-progress-threshold)
329 (if (or (zerop (% cur 5)) (= cur len))
330 (elmo-display-progress
331 'wl-thread-close-all "Closing all threads..."
332 (/ (* cur 100) len))))
333 (setq entities (cdr entities)))))
334 (message "Closing all threads...done"))
336 (defun wl-thread-open-all ()
339 (message "Opening all threads...")
341 (goto-char (point-min))
342 (let ((len (count-lines (point-min) (point-max)))
346 (if (wl-thread-entity-get-opened
347 (setq entity (wl-thread-get-entity
348 (wl-summary-message-number))))
350 (wl-thread-force-open)
351 (wl-thread-goto-bottom-of-sub-thread))
352 (when (> len elmo-display-progress-threshold)
354 (elmo-display-progress
355 'wl-thread-open-all "Opening all threads..."
356 (/ (* cur 100) len)))))
357 ;; Make sure to be 100%.
358 (elmo-display-progress
359 'wl-thread-open-all "Opening all threads..."
361 (message "Opening all threads...done"))
363 (defun wl-thread-open-all-unread ()
365 (dolist (number (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
367 (wl-thread-entity-force-open (wl-thread-get-entity number))))
369 (defsubst wl-thread-maybe-get-children-num (msg)
370 (let ((entity (wl-thread-get-entity msg)))
371 (if (not (wl-thread-entity-get-opened entity))
372 (wl-thread-entity-get-children-num entity))))
374 (defsubst wl-thread-update-line-on-buffer-sub (entity msg &optional parent-msg)
375 (let* ((entity (or entity (wl-thread-get-entity msg)))
376 (parent-msg (or parent-msg (wl-thread-entity-get-parent entity)))
377 (buffer-read-only nil)
378 (inhibit-read-only t)
379 message-entity temp-mark summary-line invisible-top dest-pair)
380 (if (wl-thread-delete-line-from-buffer msg)
383 ((memq msg wl-summary-buffer-target-mark-list)
384 (setq temp-mark "*"))
385 ((setq temp-mark (wl-summary-registered-temp-mark msg))
386 (setq dest-pair (cons (nth 0 temp-mark)(nth 2 temp-mark))
387 temp-mark (nth 1 temp-mark)))
388 (t (setq temp-mark (wl-summary-get-score-mark msg))))
389 (when (setq message-entity
390 (elmo-message-entity wl-summary-buffer-elmo-folder
392 (wl-summary-insert-line
393 (wl-summary-create-line
395 (elmo-message-entity wl-summary-buffer-elmo-folder
398 (elmo-message-mark wl-summary-buffer-elmo-folder msg)
399 (if wl-thread-insert-force-opened
401 (wl-thread-maybe-get-children-num msg))
402 (wl-thread-make-indent-string entity)
403 (wl-thread-entity-get-linked entity)))
405 (wl-summary-print-destination (car dest-pair)
407 ;; insert thread (moving thread)
408 (if (not (setq invisible-top
409 (wl-thread-entity-parent-invisible-p entity)))
410 (wl-summary-update-thread
411 (elmo-message-entity wl-summary-buffer-elmo-folder msg)
414 (elmo-message-entity wl-summary-buffer-elmo-folder
416 ;; currently invisible.. update closed line.
417 (wl-thread-update-children-number invisible-top)))))
419 (defun wl-thread-update-line-on-buffer (&optional msg parent-msg updates)
421 (let ((msgs (list (or msg (wl-summary-message-number))))
422 entity children msgs-stack)
424 (setq msg (wl-pop msgs))
425 (setq updates (and updates (delete msg updates)))
426 (setq entity (wl-thread-get-entity msg))
427 (wl-thread-update-line-on-buffer-sub entity msg parent-msg)
429 (setq children (wl-thread-entity-get-children entity))
432 (when (wl-thread-entity-get-opened entity)
433 (wl-push msgs msgs-stack)
437 (while (and (null msgs) msgs-stack)
438 (setq msgs (wl-pop msgs-stack)))
441 (wl-thread-entity-get-number
442 (wl-thread-entity-get-parent-entity
443 (wl-thread-get-entity (car msgs)))))))))
446 (defun wl-thread-update-line-msgs (msgs &optional no-msg)
447 (wl-delete-all-overlays)
454 ;;; (wl-thread-get-children-msgs (car msgs))))
455 ;;; (setq msgs (cdr msgs)))
456 ;;; (setq updates (elmo-uniq-list updates))
457 (setq len (length updates))
459 (wl-thread-update-line-on-buffer-sub nil (car updates))
460 (setq updates (cdr updates))
461 (when (and (not no-msg)
462 (> len elmo-display-progress-threshold))
464 (if (or (zerop (% i 5)) (= i len))
465 (elmo-display-progress
466 'wl-thread-update-line-msgs "Updating deleted thread..."
467 (/ (* i 100) len)))))))
469 (defun wl-thread-delete-line-from-buffer (msg)
470 "Simply delete msg line."
472 (if (wl-summary-jump-to-msg msg)
476 (delete-region beg (point))
480 (defun wl-thread-cleanup-symbols (msgs)
483 (when (setq entity (wl-thread-get-entity (car msgs)))
485 (setq wl-thread-entities (delq entity wl-thread-entities))
487 (elmo-clear-hash-val (format "#%d" (car msgs))
488 wl-thread-entity-hashtb))
489 (setq msgs (cdr msgs)))))
491 (defun wl-thread-get-exist-children (msg &optional include-self)
492 (let ((msgs (list msg))
496 (setq children (wl-thread-entity-get-children
497 (setq entity (wl-thread-get-entity (car msgs)))))
498 (when (elmo-message-entity wl-summary-buffer-elmo-folder
500 (wl-append ret-val (list (car msgs)))
502 (setq msgs (cdr msgs))
504 (while (and (null msgs) msgs-stack)
505 (setq msgs (wl-pop msgs-stack)))
506 (wl-push msgs msgs-stack)
507 (setq msgs children)))
508 (unless include-self (setq ret-val (delq msg ret-val)))
511 (defun wl-thread-delete-message (msg &optional deep update)
512 "Delete MSG from entity and buffer."
514 (let* ((entity (wl-thread-get-entity msg))
515 children older-brothers younger-brothers top-child ;;grandchildren
516 top-entity parent update-msgs beg invisible-top)
518 (setq parent (wl-thread-entity-get-parent-entity entity))
522 ;;; (setq brothers (wl-thread-entity-get-children parent))
523 (setq older-brothers (wl-thread-entity-get-older-brothers
525 (setq younger-brothers (wl-thread-entity-get-younger-brothers
529 (setq children (wl-thread-entity-get-children entity))
530 (wl-thread-reparent-children
531 children (wl-thread-entity-get-number parent))
533 (apply (function nconc)
538 (wl-thread-get-children-msgs message t)))
540 (wl-thread-entity-set-children
541 parent (append older-brothers children younger-brothers))
542 ;; If chidren and younger-brothers not exists,
543 ;; update nearly older brother.
544 (when (and older-brothers
545 (not younger-brothers)
549 (wl-thread-get-children-msgs (car (last older-brothers))))))
551 ;; top...oldest child becomes top.
553 (setq children (wl-thread-entity-get-children entity))
555 (setq top-child (car children)
556 children (cdr children))
557 (setq top-entity (wl-thread-get-entity top-child))
558 (wl-thread-entity-set-parent top-entity nil)
559 (wl-thread-entity-set-linked top-entity nil)
560 (wl-append update-msgs
561 (wl-thread-get-children-msgs top-child t)))
563 (wl-thread-entity-set-children
566 (wl-thread-entity-get-children top-entity)
568 (wl-thread-reparent-children children top-child)
569 (wl-append update-msgs children)))
570 ;; delete myself from top list.
571 (setq wl-summary-buffer-number-list
572 (delq msg wl-summary-buffer-number-list))
573 (setq older-brothers (wl-thread-entity-get-older-brothers
575 (setq younger-brothers (wl-thread-entity-get-younger-brothers
577 (setq wl-thread-entity-list
578 (append (append older-brothers
579 (and top-child (list top-child)))
583 ;; delete thread on buffer
584 (when (wl-summary-jump-to-msg msg)
586 (wl-thread-goto-bottom-of-sub-thread)
587 (delete-region beg (point)))
588 ;; delete myself from buffer.
589 (unless (wl-thread-delete-line-from-buffer msg)
590 ;; jump to suitable point.
591 ;; just upon the oldest younger-brother of my top.
593 (car (wl-thread-entity-parent-invisible-p entity)))
596 (wl-append update-msgs (list invisible-top))
597 (wl-summary-jump-to-msg invisible-top))
598 (goto-char (point-max))))
600 ;; insert children if thread is closed or delete top.
602 (not (wl-thread-entity-get-opened entity)))
603 (let* (next-top insert-msgs ent e grandchildren)
606 (setq insert-msgs (wl-thread-get-exist-children
607 top-child 'include-self))
608 (setq next-top (car insert-msgs))
609 (setq ent (wl-thread-get-entity next-top))
611 (wl-thread-entity-get-opened entity) ;; open
612 (not (wl-thread-entity-get-opened ent)) ;; close
614 (wl-thread-entity-get-children ent))
615 (wl-summary-jump-to-msg next-top))
617 (setq insert-msgs (append (cdr insert-msgs) grandchildren)))
618 (when top-entity (wl-thread-entity-set-opened top-entity t))
619 (when ent (wl-thread-entity-set-opened ent t)))
620 (when (not invisible-top)
621 (setq insert-msgs (wl-thread-get-exist-children msg))
622 ;; First msg always opened, because first msg maybe becomes top.
623 (if (setq ent (wl-thread-get-entity (car insert-msgs)))
624 (wl-thread-entity-set-opened ent t))))
627 ;; if no exists in summary, insert entity.
628 (when (and (car insert-msgs)
629 (not (wl-summary-jump-to-msg (car insert-msgs))))
630 (setq ent (wl-thread-get-entity (car insert-msgs)))
631 (wl-thread-insert-entity 0 ; no mean now...
633 (setq insert-msgs (cdr insert-msgs))))))
637 (wl-thread-update-line-on-buffer-sub nil (pop update-msgs)))
638 ;; don't update buffer
639 update-msgs)))) ; return value
641 (defun wl-thread-insert-message (overview-entity
642 msg parent-msg &optional update linked)
643 "Insert MSG to the entity.
644 When optional argument UPDATE is non-nil,
645 Message is inserted to the summary buffer."
646 (let ((parent (wl-thread-get-entity parent-msg))
648 child-entity invisible-top)
649 ;;; Update the thread view...not implemented yet.
650 ;;; (when force-insert
652 ;;; (wl-thread-entity-force-open parent))
653 (when (and wl-summary-max-thread-depth parent)
657 (setq cur (wl-thread-entity-get-parent-entity cur)))
658 (when (> depth wl-summary-max-thread-depth)
661 ;; insert as children.
662 (wl-thread-entity-insert-as-children
664 (setq child-entity (wl-thread-create-entity
665 msg (nth 0 parent) nil linked)))
666 ;; insert as top message.
667 (wl-thread-entity-insert-as-top
668 (wl-thread-create-entity msg nil)))
670 (if (not (setq invisible-top
671 (wl-thread-entity-parent-invisible-p child-entity)))
674 (wl-summary-update-thread
677 (elmo-message-entity wl-summary-buffer-elmo-folder
680 ;; use thread structure.
681 ;;(wl-thread-entity-get-nearly-older-brother
682 ;; child-entity parent))) ; return value
683 (wl-thread-entity-get-number parent))) ; return value
684 ;;; (setq beg (point))
685 ;;; (wl-thread-goto-bottom-of-sub-thread)
686 ;;; (wl-thread-update-indent-string-region beg (point)))
687 ;; currently invisible.. update closed line.
688 (wl-thread-update-children-number invisible-top)
691 (defun wl-thread-get-parent-list (msgs)
695 (setq myself (car msgs2)
697 (while (not (eq myself (car msgs2)))
698 (if (wl-thread-descendant-p myself (car msgs2))
699 (setq msgs (delq (car msgs2) msgs)))
700 (setq msgs2 (or (cdr msgs2) msgs)))
701 (setq msgs2 (cdr msgs2)))
704 (defun wl-thread-update-indent-string-thread (top-list)
705 (let ((top-list (wl-thread-get-parent-list top-list))
709 (wl-summary-jump-to-msg (car top-list))
711 (wl-thread-goto-bottom-of-sub-thread)
712 (wl-thread-update-indent-string-region beg (point)))
713 (setq top-list (cdr top-list)))))
715 (defun wl-thread-update-children-number (entity)
716 "Update the children number."
717 (wl-thread-update-line-on-buffer (wl-thread-entity-get-number entity)))
720 ;; Thread oriented commands.
722 (defun wl-thread-call-region-func (func &optional arg)
725 (wl-summary-goto-top-of-current-thread)
728 (wl-thread-goto-bottom-of-sub-thread)
729 (funcall func beg (point)))))
731 (defun wl-thread-prefetch (&optional arg)
733 (wl-thread-call-region-func 'wl-summary-prefetch-region arg))
735 (defun wl-thread-msg-mark-as-important (msg)
736 "Set mark as important for invisible MSG. Modeline is not changed."
737 (let ((folder wl-summary-buffer-elmo-folder)
739 (setq cur-mark (elmo-message-mark folder msg))
740 (elmo-folder-mark-as-important folder (list msg))
741 (wl-summary-set-mark-modified)))
743 (defun wl-thread-mark-as-read (&optional arg)
745 (wl-thread-call-region-func 'wl-summary-mark-as-read-region arg))
747 (defun wl-thread-mark-as-unread (&optional arg)
749 (wl-thread-call-region-func 'wl-summary-mark-as-unread-region arg))
751 (defun wl-thread-mark-as-important (&optional arg)
753 (wl-thread-call-region-func 'wl-summary-mark-as-important-region arg))
755 (defun wl-thread-unmark (&optional arg)
757 (wl-thread-call-region-func 'wl-summary-unmark-region arg))
759 (defun wl-thread-exec (&optional arg)
761 (wl-thread-call-region-func 'wl-summary-exec-region arg))
763 (defun wl-thread-save (&optional arg)
765 (wl-thread-call-region-func 'wl-summary-save-region arg))
767 (defun wl-thread-force-open (&optional msg-num)
768 "force open current folder"
770 (wl-summary-jump-to-msg msg-num))
771 (let ((wl-thread-insert-force-opened t))
772 (wl-thread-open-close)))
774 (defun wl-thread-entity-force-open (entity)
775 (let ((wl-thread-insert-force-opened t)
777 (if (null (wl-thread-entity-get-parent entity))
779 (if (and (not (wl-thread-entity-get-opened entity))
780 (wl-thread-entity-get-children entity))
781 (wl-thread-force-open (wl-thread-entity-get-number entity)))
782 (if (setq notopen (wl-thread-entity-parent-invisible-p entity))
783 (wl-thread-force-open (wl-thread-entity-get-number notopen))))))
785 (defun wl-thread-insert-top ()
786 (let ((elist wl-thread-entity-list)
787 (len (length wl-thread-entity-list))
789 (wl-delete-all-overlays)
791 (wl-thread-insert-entity
793 (wl-thread-get-entity (car elist))
796 (setq elist (cdr elist))
797 (when (> len elmo-display-progress-threshold)
799 (if (or (zerop (% cur 2)) (= cur len))
800 (elmo-display-progress
801 'wl-thread-insert-top "Inserting message..."
802 (/ (* cur 100) len)))))))
804 (defsubst wl-thread-insert-entity-sub (indent entity parent-entity all)
809 (when (setq msg-num (wl-thread-entity-get-number entity))
810 (unless all ; all...means no temp-mark.
811 (cond ((memq msg-num wl-summary-buffer-target-mark-list)
812 (setq temp-mark "*"))
813 ((setq temp-mark (wl-summary-registered-temp-mark msg-num))
814 (setq temp-mark (nth 1 temp-mark)))))
816 (setq temp-mark (wl-summary-get-score-mark msg-num)))
818 (elmo-message-entity wl-summary-buffer-elmo-folder
820 ;;; (wl-delete-all-overlays)
822 (wl-summary-insert-line
823 (wl-summary-create-line
825 (elmo-message-entity wl-summary-buffer-elmo-folder
826 (nth 0 parent-entity))
828 (elmo-message-mark wl-summary-buffer-elmo-folder msg-num)
829 (if wl-thread-insert-force-opened
831 (wl-thread-maybe-get-children-num msg-num))
832 (wl-thread-make-indent-string entity)
833 (wl-thread-entity-get-linked entity)))))))
835 (defun wl-thread-insert-entity (indent entity parent-entity all)
836 "Insert thread entity in current buffer."
837 (let ((msgs (list (car entity)))
840 (wl-thread-insert-entity-sub indent entity parent-entity all)
841 (setq msgs (cdr msgs))
842 (setq children (nth 2 entity))
845 (when (or wl-thread-insert-force-opened
846 (wl-thread-entity-get-opened entity))
847 (wl-thread-entity-set-opened entity t)
848 (wl-push msgs msgs-stack)
851 parent-entity entity)))
853 (while (and (null msgs) msgs-stack)
854 (setq msgs (wl-pop msgs-stack))
855 (setq indent (1- indent)))
857 (setq entity (wl-thread-get-entity (car msgs)))
858 (setq parent-entity (wl-thread-entity-get-parent-entity entity))))
859 (setq entity (wl-thread-get-entity (car msgs))))))
861 (defun wl-thread-descendant-p (mynumber number)
862 (let ((cur (wl-thread-get-entity number))
866 (setq cur (wl-thread-entity-get-parent-entity cur))
867 (if (null (setq num (wl-thread-entity-get-number cur))) ; top!
870 (eq mynumber (wl-thread-entity-get-number cur)))
874 ;; (defun wl-thread-goto-bottom-of-sub-thread ()
876 ;; (let ((depth (wl-thread-get-depth-of-current-line)))
878 ;; (while (and (not (eobp))
879 ;; (> (wl-thread-get-depth-of-current-line)
882 ;; (beginning-of-line)))
884 (defun wl-thread-goto-bottom-of-sub-thread (&optional msg)
886 (let ((mynumber (or msg (wl-summary-message-number))))
888 (while (wl-thread-descendant-p mynumber (wl-summary-message-number))
890 (beginning-of-line)))
892 (defun wl-thread-remove-destination-region (beg end)
895 (narrow-to-region beg end)
896 (goto-char (point-min))
898 (wl-summary-remove-destination)
901 (defun wl-thread-print-destination-region (beg end)
902 (if wl-summary-buffer-temp-mark-list
905 (narrow-to-region beg end)
906 (goto-char (point-min))
908 (let ((num (wl-summary-message-number))
910 (when (and (setq temp-mark
911 (wl-summary-registered-temp-mark num))
913 (setq pair (cons (nth 0 temp-mark)(nth 2 temp-mark))))
914 (wl-summary-print-destination (car pair) (cdr pair))))
915 (forward-line 1))))))
917 (defsubst wl-thread-get-children-msgs (msg &optional visible-only)
918 (let ((msgs (list msg))
922 (wl-append ret-val (list (car msgs)))
923 (setq children (wl-thread-entity-get-children
924 (setq entity (wl-thread-get-entity (car msgs)))))
925 (if (and visible-only
926 (not (wl-thread-entity-get-opened entity)))
928 (setq msgs (cdr msgs))
930 (while (and (null msgs) msgs-stack)
931 (setq msgs (wl-pop msgs-stack)))
932 (wl-push msgs msgs-stack)
933 (setq msgs children)))
936 (defun wl-thread-get-children-msgs-uncached (msg &optional uncached-marks)
937 (let ((children-msgs (wl-thread-get-children-msgs msg))
940 (if (and (not (eq msg (car children-msgs))) ; except itself
941 (or (and uncached-marks
942 (setq mark (elmo-message-mark
943 wl-summary-buffer-elmo-folder
944 (car children-msgs)))
945 (member mark uncached-marks))
946 (and (not uncached-marks)
947 (null (elmo-file-cache-exists-p
949 wl-summary-buffer-elmo-folder
952 (wl-append uncached-list (list (car children-msgs))))
953 (setq children-msgs (cdr children-msgs)))
956 (defun wl-thread-get-children-msgs-with-mark (msg mark)
957 (let ((children-msgs (wl-thread-get-children-msgs msg))
958 (check-func (cond ((string= mark "o")
959 'wl-summary-msg-marked-as-refiled)
961 'wl-summary-msg-marked-as-copied)
963 'wl-summary-msg-marked-as-deleted)
965 'wl-summary-msg-marked-as-target)))
968 (if (funcall check-func (car children-msgs))
969 (wl-append ret-val (list (car children-msgs))))
970 (setq children-msgs (cdr children-msgs)))
973 (defun wl-thread-close (entity)
975 (wl-thread-entity-set-opened entity nil)
976 (setq depth (wl-thread-get-depth-of-current-line))
979 (wl-thread-goto-bottom-of-sub-thread)
980 (wl-thread-remove-destination-region beg
982 (forward-char -1) ;; needed for mouse-face.
983 (delete-region beg (point))
984 (wl-thread-insert-entity (- depth 1)
986 (wl-thread-get-entity
989 (delete-char 1) ; delete '\n'
990 (wl-thread-print-destination-region beg (point))))
992 (defun wl-thread-open (entity)
996 (setq depth (wl-thread-get-depth-of-current-line))
998 (delete-region beg (point))
999 (wl-thread-entity-set-opened entity t)
1000 (wl-thread-insert-entity depth ;(- depth 1)
1002 (wl-thread-get-entity
1003 (nth 3 entity)) nil)
1004 (delete-char 1) ; delete '\n'
1005 (wl-thread-print-destination-region beg (point))))
1007 (defun wl-thread-open-close (&optional force-open)
1009 (when (eq wl-summary-buffer-view 'thread)
1010 ;;; (if (equal wl-thread-top-entity '(nil t nil nil))
1011 ;;; (error "There's no thread structure"))
1013 (let ((inhibit-read-only t)
1014 (buffer-read-only nil)
1015 (wl-thread-insert-force-opened
1016 (or wl-thread-insert-force-opened
1019 (setq msg (wl-summary-message-number))
1020 (setq entity (wl-thread-get-entity msg))
1021 (if (wl-thread-entity-get-opened entity)
1022 ;; if already opened, close its child!
1023 (if (wl-thread-entity-get-children entity)
1024 (wl-thread-close entity)
1025 ;; opened, but has no children, close its parent!
1026 (when (setq parent (wl-thread-entity-get-parent entity))
1027 (wl-summary-jump-to-msg parent)
1029 (wl-thread-get-entity (wl-summary-message-number)))))
1030 ;; if closed (or it is just a thread bottom message)
1031 ;; has children, open it!
1032 (if (wl-thread-entity-get-children entity)
1033 (wl-thread-open entity)
1034 ;; closed, and has no children, close its parent!
1035 (setq msg (or (wl-thread-entity-get-parent entity)
1036 (wl-thread-entity-get-number entity)))
1038 (wl-summary-jump-to-msg msg)
1040 (wl-thread-get-entity (wl-summary-message-number)))))))
1041 (when wl-summary-lazy-highlight
1042 (wl-highlight-summary-window))
1043 (wl-summary-set-message-modified)
1044 (set-buffer-modified-p nil))))
1046 (defun wl-thread-get-depth-of-current-line ()
1047 (let ((entity (wl-thread-get-entity (wl-summary-message-number)))
1050 (while (setq number (wl-thread-entity-get-parent entity))
1052 (setq entity (wl-thread-get-entity number)))
1055 (defun wl-thread-update-indent-string-region (beg end)
1059 (while (< (point) end)
1061 (wl-thread-update-line-on-buffer-sub nil (wl-summary-message-number)))
1064 (defsubst wl-thread-make-indent-string (entity)
1067 (space-str (wl-repeat-string wl-thread-space-str-internal
1068 (- wl-thread-indent-level-internal 1)))
1070 (when (wl-thread-entity-get-number
1071 (setq parent (wl-thread-entity-get-parent-entity cur)))
1072 (if (wl-thread-entity-get-younger-brothers cur)
1073 (setq ret-val wl-thread-have-younger-brother-str-internal)
1074 (setq ret-val wl-thread-youngest-child-str-internal))
1075 (setq ret-val (concat ret-val
1077 wl-thread-horizontal-str-internal
1078 (- wl-thread-indent-level-internal 1))))
1080 (while (wl-thread-entity-get-number
1081 (wl-thread-entity-get-parent-entity cur))
1082 (if (wl-thread-entity-get-younger-brothers cur)
1083 (setq ret-val (concat wl-thread-vertical-str-internal
1086 (setq ret-val (concat wl-thread-space-str-internal
1089 (setq cur (wl-thread-entity-get-parent-entity cur))))
1092 (defun wl-thread-set-parent (&optional parent-number)
1093 "Set current message's parent interactively."
1095 (let ((number (wl-summary-message-number))
1096 (dst-parent (if (interactive-p)
1097 (read-from-minibuffer "Parent Message (No.): ")))
1098 entity dst-parent-entity src-parent children
1101 (if (string= dst-parent "")
1102 (setq dst-parent nil)
1104 (setq dst-parent (string-to-int dst-parent))
1105 (setq dst-parent parent-number)))
1107 (memq dst-parent (wl-thread-get-children-msgs number)))
1108 (error "Parent is children or myself"))
1109 (setq entity (wl-thread-get-entity number))
1110 (when (and number entity)
1112 (setq update-msgs (wl-thread-delete-message number 'deep))
1113 ;; insert as child at new parent
1114 (setq dst-parent-entity (wl-thread-get-entity dst-parent))
1115 (if dst-parent-entity
1118 (wl-thread-entity-get-children dst-parent-entity))
1119 (wl-append update-msgs
1120 (wl-thread-get-children-msgs
1121 (car (last children)) t)))
1122 (wl-thread-entity-set-children
1124 (append children (list number)))
1125 (wl-thread-entity-set-linked entity t))
1127 (wl-append wl-thread-entity-list (list number))
1128 (wl-thread-entity-set-linked entity nil))
1131 (wl-append update-msgs (wl-thread-get-children-msgs number t))
1132 (setq update-msgs (elmo-uniq-list update-msgs))
1133 (wl-thread-entity-set-parent entity dst-parent)
1134 ;; update thread on buffer
1135 (wl-thread-make-number-list)
1136 (wl-thread-update-line-msgs update-msgs t))))
1139 (product-provide (provide 'wl-thread) (require 'wl-version))
1141 ;;; wl-thread.el ends here