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-flags wl-summary-buffer-elmo-folder
400 (elmo-message-cached-p wl-summary-buffer-elmo-folder
402 (if wl-thread-insert-force-opened
404 (wl-thread-maybe-get-children-num msg))
405 (wl-thread-make-indent-string entity)
406 (wl-thread-entity-get-linked entity)))
408 (wl-summary-print-argument (car dest-pair)
410 ;; insert thread (moving thread)
411 (if (not (setq invisible-top
412 (wl-thread-entity-parent-invisible-p entity)))
413 (wl-summary-update-thread
414 (elmo-message-entity wl-summary-buffer-elmo-folder msg)
417 (elmo-message-entity wl-summary-buffer-elmo-folder
419 ;; currently invisible.. update closed line.
420 (wl-thread-update-children-number invisible-top)))))
422 (defun wl-thread-update-line-on-buffer (&optional msg parent-msg updates)
424 (let ((msgs (list (or msg (wl-summary-message-number))))
425 entity children msgs-stack)
427 (setq msg (wl-pop msgs))
428 (setq updates (and updates (delete msg updates)))
429 (setq entity (wl-thread-get-entity msg))
430 (wl-thread-update-line-on-buffer-sub entity msg parent-msg)
432 (setq children (wl-thread-entity-get-children entity))
435 (when (wl-thread-entity-get-opened entity)
436 (wl-push msgs msgs-stack)
440 (while (and (null msgs) msgs-stack)
441 (setq msgs (wl-pop msgs-stack)))
444 (wl-thread-entity-get-number
445 (wl-thread-entity-get-parent-entity
446 (wl-thread-get-entity (car msgs)))))))))
449 (defun wl-thread-update-line-msgs (msgs &optional no-msg)
450 (wl-delete-all-overlays)
457 ;;; (wl-thread-get-children-msgs (car msgs))))
458 ;;; (setq msgs (cdr msgs)))
459 ;;; (setq updates (elmo-uniq-list updates))
460 (setq len (length updates))
462 (wl-thread-update-line-on-buffer-sub nil (car updates))
463 (setq updates (cdr updates))
464 (when (and (not no-msg)
465 (> len elmo-display-progress-threshold))
467 (if (or (zerop (% i 5)) (= i len))
468 (elmo-display-progress
469 'wl-thread-update-line-msgs "Updating deleted thread..."
470 (/ (* i 100) len)))))))
472 (defun wl-thread-delete-line-from-buffer (msg)
473 "Simply delete msg line."
475 (if (wl-summary-jump-to-msg msg)
479 (delete-region beg (point))
483 (defun wl-thread-cleanup-symbols (msgs)
486 (when (setq entity (wl-thread-get-entity (car msgs)))
488 (setq wl-thread-entities (delq entity wl-thread-entities))
490 (elmo-clear-hash-val (format "#%d" (car msgs))
491 wl-thread-entity-hashtb))
492 (setq msgs (cdr msgs)))))
494 (defun wl-thread-get-exist-children (msg &optional include-self)
495 (let ((msgs (list msg))
499 (setq children (wl-thread-entity-get-children
500 (setq entity (wl-thread-get-entity (car msgs)))))
501 (when (elmo-message-entity wl-summary-buffer-elmo-folder (car msgs))
502 (wl-append ret-val (list (car msgs)))
504 (setq msgs (cdr msgs))
506 (while (and (null msgs) msgs-stack)
507 (setq msgs (wl-pop msgs-stack)))
508 (wl-push msgs msgs-stack)
509 (setq msgs children)))
510 (unless include-self (setq ret-val (delq msg ret-val)))
513 (defun wl-thread-delete-message (msg &optional deep update)
514 "Delete MSG from entity and buffer."
516 (let* ((entity (wl-thread-get-entity msg))
517 children older-brothers younger-brothers top-child ;;grandchildren
518 top-entity parent update-msgs beg invisible-top)
519 (setq wl-summary-buffer-number-list
520 (delq msg wl-summary-buffer-number-list))
522 (setq parent (wl-thread-entity-get-parent-entity entity))
526 ;;; (setq brothers (wl-thread-entity-get-children parent))
527 (setq older-brothers (wl-thread-entity-get-older-brothers
529 (setq younger-brothers (wl-thread-entity-get-younger-brothers
533 (setq children (wl-thread-entity-get-children entity))
534 (wl-thread-reparent-children
535 children (wl-thread-entity-get-number parent))
537 (apply (function nconc)
542 (wl-thread-get-children-msgs message t)))
544 (wl-thread-entity-set-children
545 parent (append older-brothers children younger-brothers))
546 ;; If chidren and younger-brothers not exists,
547 ;; update nearly older brother.
548 (when (and older-brothers
549 (not younger-brothers)
553 (wl-thread-get-children-msgs (car (last older-brothers))))))
555 ;; top...oldest child becomes top.
557 (setq children (wl-thread-entity-get-children entity))
559 (setq top-child (car children)
560 children (cdr children))
561 (setq top-entity (wl-thread-get-entity top-child))
562 (wl-thread-entity-set-parent top-entity nil)
563 (wl-thread-entity-set-linked top-entity nil)
564 (wl-append update-msgs
565 (wl-thread-get-children-msgs top-child t)))
567 (wl-thread-entity-set-children
570 (wl-thread-entity-get-children top-entity)
572 (wl-thread-reparent-children children top-child)
573 (wl-append update-msgs children)))
574 ;; delete myself from top list.
575 (setq older-brothers (wl-thread-entity-get-older-brothers
577 (setq younger-brothers (wl-thread-entity-get-younger-brothers
579 (setq wl-thread-entity-list
580 (append (append older-brothers
581 (and top-child (list top-child)))
585 ;; delete thread on buffer
586 (when (wl-summary-jump-to-msg msg)
588 (wl-thread-goto-bottom-of-sub-thread)
589 (delete-region beg (point)))
590 ;; delete myself from buffer.
591 (unless (wl-thread-delete-line-from-buffer msg)
592 ;; jump to suitable point.
593 ;; just upon the oldest younger-brother of my top.
595 (car (wl-thread-entity-parent-invisible-p entity)))
598 (wl-append update-msgs (list invisible-top))
599 (wl-summary-jump-to-msg invisible-top))
600 (goto-char (point-max))))
602 ;; insert children if thread is closed or delete top.
604 (not (wl-thread-entity-get-opened entity)))
605 (let* (next-top insert-msgs ent e grandchildren)
608 (setq insert-msgs (wl-thread-get-exist-children
609 top-child 'include-self))
610 (setq next-top (car insert-msgs))
611 (setq ent (wl-thread-get-entity next-top))
613 (wl-thread-entity-get-opened entity) ;; open
614 (not (wl-thread-entity-get-opened ent)) ;; close
616 (wl-thread-entity-get-children ent))
617 (wl-summary-jump-to-msg next-top))
619 (setq insert-msgs (append (cdr insert-msgs) grandchildren)))
620 (when top-entity (wl-thread-entity-set-opened top-entity t))
621 (when ent (wl-thread-entity-set-opened ent t)))
622 (when (not invisible-top)
623 (setq insert-msgs (wl-thread-get-exist-children msg))
624 ;; First msg always opened, because first msg maybe becomes top.
625 (if (setq ent (wl-thread-get-entity (car insert-msgs)))
626 (wl-thread-entity-set-opened ent t))))
629 ;; if no exists in summary, insert entity.
630 (when (and (car insert-msgs)
631 (not (wl-summary-jump-to-msg (car insert-msgs))))
632 (setq ent (wl-thread-get-entity (car insert-msgs)))
633 (wl-thread-insert-entity 0 ; no mean now...
635 (setq insert-msgs (cdr insert-msgs))))))
639 (wl-thread-update-line-on-buffer-sub nil (pop update-msgs)))
640 ;; don't update buffer
641 update-msgs)))) ; return value
643 (defun wl-thread-insert-message (message-entity
644 msg parent-msg &optional update linked)
645 "Insert MSG to the entity.
646 When optional argument UPDATE is non-nil,
647 Message is inserted to the summary buffer."
648 (let ((parent (wl-thread-get-entity parent-msg))
650 child-entity invisible-top)
651 ;;; Update the thread view...not implemented yet.
652 ;;; (when force-insert
654 ;;; (wl-thread-entity-force-open parent))
655 (when (and wl-summary-max-thread-depth parent)
659 (setq cur (wl-thread-entity-get-parent-entity cur)))
660 (when (> depth wl-summary-max-thread-depth)
663 ;; insert as children.
664 (wl-thread-entity-insert-as-children
666 (setq child-entity (wl-thread-create-entity
667 msg (nth 0 parent) nil linked)))
668 ;; insert as top message.
669 (wl-thread-entity-insert-as-top
670 (wl-thread-create-entity msg nil)))
672 (if (not (setq invisible-top
673 (wl-thread-entity-parent-invisible-p child-entity)))
676 (wl-summary-update-thread
679 (elmo-message-entity wl-summary-buffer-elmo-folder
682 ;; use thread structure.
683 ;;(wl-thread-entity-get-nearly-older-brother
684 ;; child-entity parent))) ; return value
685 (wl-thread-entity-get-number parent))) ; return value
686 ;;; (setq beg (point))
687 ;;; (wl-thread-goto-bottom-of-sub-thread)
688 ;;; (wl-thread-update-indent-string-region beg (point)))
689 ;; currently invisible.. update closed line.
690 (wl-thread-update-children-number invisible-top)
693 (defun wl-thread-get-parent-list (msgs)
697 (setq myself (car msgs2)
699 (while (not (eq myself (car msgs2)))
700 (if (wl-thread-descendant-p myself (car msgs2))
701 (setq msgs (delq (car msgs2) msgs)))
702 (setq msgs2 (or (cdr msgs2) msgs)))
703 (setq msgs2 (cdr msgs2)))
706 (defun wl-thread-update-indent-string-thread (top-list)
707 (let ((top-list (wl-thread-get-parent-list top-list))
711 (wl-summary-jump-to-msg (car top-list))
713 (wl-thread-goto-bottom-of-sub-thread)
714 (wl-thread-update-indent-string-region beg (point)))
715 (setq top-list (cdr top-list)))))
717 (defun wl-thread-update-children-number (entity)
718 "Update the children number."
719 (wl-thread-update-line-on-buffer (wl-thread-entity-get-number entity)))
722 ;; Thread oriented commands.
724 (defun wl-thread-call-region-func (func &optional arg)
727 (wl-summary-goto-top-of-current-thread)
730 (wl-thread-goto-bottom-of-sub-thread)
731 (funcall func beg (point)))))
733 (defun wl-thread-prefetch (&optional arg)
735 (wl-thread-call-region-func 'wl-summary-prefetch-region arg))
737 (defun wl-thread-mark-as-read (&optional arg)
739 (wl-thread-call-region-func 'wl-summary-mark-as-read-region arg))
741 (defun wl-thread-mark-as-unread (&optional arg)
743 (wl-thread-call-region-func 'wl-summary-mark-as-unread-region arg))
745 (defun wl-thread-mark-as-important (&optional arg)
747 (wl-thread-call-region-func 'wl-summary-mark-as-important-region arg))
749 (defun wl-thread-unmark (&optional arg)
751 (wl-thread-call-region-func 'wl-summary-unmark-region arg))
753 (defun wl-thread-exec (&optional arg)
755 (wl-thread-call-region-func 'wl-summary-exec-region arg))
757 (defun wl-thread-save (&optional arg)
759 (wl-thread-call-region-func 'wl-summary-save-region arg))
761 (defun wl-thread-force-open (&optional msg-num)
762 "force open current folder"
764 (wl-summary-jump-to-msg msg-num))
765 (let ((wl-thread-insert-force-opened t))
766 (wl-thread-open-close)))
768 (defun wl-thread-entity-force-open (entity)
769 (let ((wl-thread-insert-force-opened t)
771 (if (null (wl-thread-entity-get-parent entity))
773 (if (and (not (wl-thread-entity-get-opened entity))
774 (wl-thread-entity-get-children entity))
775 (wl-thread-force-open (wl-thread-entity-get-number entity)))
776 (if (setq notopen (wl-thread-entity-parent-invisible-p entity))
777 (wl-thread-force-open (wl-thread-entity-get-number notopen))))))
779 (defun wl-thread-insert-top ()
780 (let ((elist wl-thread-entity-list)
781 (len (length wl-thread-entity-list))
783 (wl-delete-all-overlays)
785 (wl-thread-insert-entity
787 (wl-thread-get-entity (car elist))
790 (setq elist (cdr elist))
791 (when (> len elmo-display-progress-threshold)
793 (if (or (zerop (% cur 2)) (= cur len))
794 (elmo-display-progress
795 'wl-thread-insert-top "Inserting message..."
796 (/ (* cur 100) len)))))))
798 (defsubst wl-thread-insert-entity-sub (indent entity parent-entity all)
803 (when (setq msg-num (wl-thread-entity-get-number entity))
804 (unless all ; all...means no temp-mark.
805 (cond ((memq msg-num wl-summary-buffer-target-mark-list)
806 (setq temp-mark "*"))
807 ((setq temp-mark (wl-summary-registered-temp-mark msg-num))
808 (setq temp-mark (nth 1 temp-mark)))))
810 (setq temp-mark (wl-summary-get-score-mark msg-num)))
812 (elmo-message-entity wl-summary-buffer-elmo-folder
814 ;;; (wl-delete-all-overlays)
816 (wl-summary-insert-line
817 (wl-summary-create-line
819 (elmo-message-entity wl-summary-buffer-elmo-folder
820 (nth 0 parent-entity))
822 (elmo-message-flags wl-summary-buffer-elmo-folder
824 (elmo-message-cached-p wl-summary-buffer-elmo-folder
826 (if wl-thread-insert-force-opened
828 (wl-thread-maybe-get-children-num msg-num))
829 (wl-thread-make-indent-string entity)
830 (wl-thread-entity-get-linked entity)))))))
832 (defun wl-thread-insert-entity (indent entity parent-entity all)
833 "Insert thread entity in current buffer."
834 (let ((msgs (list (car entity)))
837 (wl-thread-insert-entity-sub indent entity parent-entity all)
838 (setq msgs (cdr msgs))
839 (setq children (nth 2 entity))
842 (when (or wl-thread-insert-force-opened
843 (wl-thread-entity-get-opened entity))
844 (wl-thread-entity-set-opened entity t)
845 (wl-push msgs msgs-stack)
848 parent-entity entity)))
850 (while (and (null msgs) msgs-stack)
851 (setq msgs (wl-pop msgs-stack))
852 (setq indent (1- indent)))
854 (setq entity (wl-thread-get-entity (car msgs)))
855 (setq parent-entity (wl-thread-entity-get-parent-entity entity))))
856 (setq entity (wl-thread-get-entity (car msgs))))))
858 (defun wl-thread-descendant-p (mynumber number)
859 (let ((cur (wl-thread-get-entity number))
863 (setq cur (wl-thread-entity-get-parent-entity cur))
864 (if (null (setq num (wl-thread-entity-get-number cur))) ; top!
867 (eq mynumber (wl-thread-entity-get-number cur)))
871 ;; (defun wl-thread-goto-bottom-of-sub-thread ()
873 ;; (let ((depth (wl-thread-get-depth-of-current-line)))
875 ;; (while (and (not (eobp))
876 ;; (> (wl-thread-get-depth-of-current-line)
879 ;; (beginning-of-line)))
881 (defun wl-thread-goto-bottom-of-sub-thread (&optional msg)
883 (let ((mynumber (or msg (wl-summary-message-number))))
885 (while (wl-thread-descendant-p mynumber (wl-summary-message-number))
887 (beginning-of-line)))
889 (defun wl-thread-remove-argument-region (beg end)
892 (narrow-to-region beg end)
893 (goto-char (point-min))
895 (wl-summary-remove-argument)
898 (defun wl-thread-print-argument-region (beg end)
899 (if wl-summary-buffer-temp-mark-list
902 (narrow-to-region beg end)
903 (goto-char (point-min))
905 (let ((num (wl-summary-message-number))
907 (when (and (setq temp-mark
908 (wl-summary-registered-temp-mark num))
910 (setq pair (cons (nth 0 temp-mark)(nth 2 temp-mark))))
911 (wl-summary-print-argument (car pair) (cdr pair))))
912 (forward-line 1))))))
914 (defsubst wl-thread-get-children-msgs (msg &optional visible-only)
915 (let ((msgs (list msg))
919 (wl-append ret-val (list (car msgs)))
920 (setq children (wl-thread-entity-get-children
921 (setq entity (wl-thread-get-entity (car msgs)))))
922 (if (and visible-only
923 (not (wl-thread-entity-get-opened entity)))
925 (setq msgs (cdr msgs))
927 (while (and (null msgs) msgs-stack)
928 (setq msgs (wl-pop msgs-stack)))
929 (wl-push msgs msgs-stack)
930 (setq msgs children)))
933 (defun wl-thread-get-children-msgs-uncached (msg &optional uncached-marks)
934 (let ((children-msgs (wl-thread-get-children-msgs msg))
937 (if (and (not (eq msg (car children-msgs))) ; except itself
938 (or (and uncached-marks
939 (setq mark (wl-summary-message-mark
940 wl-summary-buffer-elmo-folder
941 (car children-msgs)))
942 (member mark uncached-marks))
943 (and (not uncached-marks)
944 (null (elmo-file-cache-exists-p
946 wl-summary-buffer-elmo-folder
949 (wl-append uncached-list (list (car children-msgs))))
950 (setq children-msgs (cdr children-msgs)))
953 (defun wl-thread-get-children-msgs-with-mark (msg mark)
954 (let ((children-msgs (wl-thread-get-children-msgs msg))
955 (check-func (cond ((string= mark "o")
956 'wl-summary-msg-marked-as-refiled)
958 'wl-summary-msg-marked-as-copied)
960 'wl-summary-msg-marked-as-deleted)
962 'wl-summary-msg-marked-as-target)))
965 (if (funcall check-func (car children-msgs))
966 (wl-append ret-val (list (car children-msgs))))
967 (setq children-msgs (cdr children-msgs)))
970 (defun wl-thread-close (entity)
972 (wl-thread-entity-set-opened entity nil)
973 (setq depth (wl-thread-get-depth-of-current-line))
976 (wl-thread-goto-bottom-of-sub-thread)
977 (wl-thread-remove-argument-region beg
979 (forward-char -1) ;; needed for mouse-face.
980 (delete-region beg (point))
981 (wl-thread-insert-entity (- depth 1)
983 (wl-thread-get-entity
986 (delete-char 1) ; delete '\n'
987 (wl-thread-print-argument-region beg (point))))
989 (defun wl-thread-open (entity)
993 (setq depth (wl-thread-get-depth-of-current-line))
995 (delete-region beg (point))
996 (wl-thread-entity-set-opened entity t)
997 (wl-thread-insert-entity depth ;(- depth 1)
999 (wl-thread-get-entity
1000 (nth 3 entity)) nil)
1001 (delete-char 1) ; delete '\n'
1002 (wl-thread-print-argument-region beg (point))))
1004 (defun wl-thread-open-close (&optional force-open)
1006 (when (eq wl-summary-buffer-view 'thread)
1007 ;;; (if (equal wl-thread-top-entity '(nil t nil nil))
1008 ;;; (error "There's no thread structure"))
1010 (let ((inhibit-read-only t)
1011 (buffer-read-only nil)
1012 (wl-thread-insert-force-opened
1013 (or wl-thread-insert-force-opened
1016 (setq msg (wl-summary-message-number))
1017 (setq entity (wl-thread-get-entity msg))
1018 (if (wl-thread-entity-get-opened entity)
1019 ;; if already opened, close its child!
1020 (if (wl-thread-entity-get-children entity)
1021 (wl-thread-close entity)
1022 ;; opened, but has no children, close its parent!
1023 (when (setq parent (wl-thread-entity-get-parent entity))
1024 (wl-summary-jump-to-msg parent)
1026 (wl-thread-get-entity (wl-summary-message-number)))))
1027 ;; if closed (or it is just a thread bottom message)
1028 ;; has children, open it!
1029 (if (wl-thread-entity-get-children entity)
1030 (wl-thread-open entity)
1031 ;; closed, and has no children, close its parent!
1032 (setq msg (or (wl-thread-entity-get-parent entity)
1033 (wl-thread-entity-get-number entity)))
1035 (wl-summary-jump-to-msg msg)
1037 (wl-thread-get-entity (wl-summary-message-number)))))))
1038 (when wl-summary-lazy-highlight
1039 (wl-highlight-summary-window))
1040 (wl-summary-set-message-modified)
1041 (set-buffer-modified-p nil))))
1043 (defun wl-thread-get-depth-of-current-line ()
1044 (let ((entity (wl-thread-get-entity (wl-summary-message-number)))
1047 (while (setq number (wl-thread-entity-get-parent entity))
1049 (setq entity (wl-thread-get-entity number)))
1052 (defun wl-thread-update-indent-string-region (beg end)
1056 (while (< (point) end)
1058 (wl-thread-update-line-on-buffer-sub nil (wl-summary-message-number)))
1061 (defsubst wl-thread-make-indent-string (entity)
1064 (space-str (wl-repeat-string wl-thread-space-str-internal
1065 (- wl-thread-indent-level-internal 1)))
1067 (when (wl-thread-entity-get-number
1068 (setq parent (wl-thread-entity-get-parent-entity cur)))
1069 (if (wl-thread-entity-get-younger-brothers cur)
1070 (setq ret-val wl-thread-have-younger-brother-str-internal)
1071 (setq ret-val wl-thread-youngest-child-str-internal))
1072 (setq ret-val (concat ret-val
1074 wl-thread-horizontal-str-internal
1075 (- wl-thread-indent-level-internal 1))))
1077 (while (wl-thread-entity-get-number
1078 (wl-thread-entity-get-parent-entity cur))
1079 (if (wl-thread-entity-get-younger-brothers cur)
1080 (setq ret-val (concat wl-thread-vertical-str-internal
1083 (setq ret-val (concat wl-thread-space-str-internal
1086 (setq cur (wl-thread-entity-get-parent-entity cur))))
1089 (defun wl-thread-set-parent (&optional parent-number)
1090 "Set current message's parent interactively."
1092 (let ((number (wl-summary-message-number))
1093 (dst-parent (if (interactive-p)
1094 (read-from-minibuffer "Parent Message (No.): ")))
1095 entity dst-parent-entity src-parent children
1098 (if (string= dst-parent "")
1099 (setq dst-parent nil)
1101 (setq dst-parent (string-to-int dst-parent))
1102 (setq dst-parent parent-number)))
1104 (memq dst-parent (wl-thread-get-children-msgs number)))
1105 (error "Parent is children or myself"))
1106 (setq entity (wl-thread-get-entity number))
1107 (when (and number entity)
1109 (setq update-msgs (wl-thread-delete-message number 'deep))
1110 ;; insert as child at new parent
1111 (setq dst-parent-entity (wl-thread-get-entity dst-parent))
1112 (if dst-parent-entity
1115 (wl-thread-entity-get-children dst-parent-entity))
1116 (wl-append update-msgs
1117 (wl-thread-get-children-msgs
1118 (car (last children)) t)))
1119 (wl-thread-entity-set-children
1121 (append children (list number)))
1122 (wl-thread-entity-set-linked entity t))
1124 (wl-append wl-thread-entity-list (list number))
1125 (wl-thread-entity-set-linked entity nil))
1128 (wl-append update-msgs (wl-thread-get-children-msgs number t))
1129 (setq update-msgs (elmo-uniq-list update-msgs))
1130 (wl-thread-entity-set-parent entity dst-parent)
1131 ;; update thread on buffer
1132 (wl-thread-make-number-list)
1133 (wl-thread-update-line-msgs update-msgs t))))
1136 (product-provide (provide 'wl-thread) (require 'wl-version))
1138 ;;; wl-thread.el ends here