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)
124 (when (file-writable-p top-file)
125 (prin1 entity (current-buffer))
126 (princ "\n" (current-buffer))
127 (write-region (point-min) (point-max) top-file nil 'no-msg)))))
129 (defun wl-thread-save-entities (dir)
130 (let ((top-file (expand-file-name wl-thread-entity-file dir))
131 (entities wl-thread-entities)
132 print-length print-level)
134 (when (file-writable-p top-file)
135 (prin1 entities (current-buffer))
136 (princ "\n" (current-buffer))
137 (write-region (point-min) (point-max) top-file nil 'no-msg)))))
139 (defsubst wl-thread-entity-get-number (entity)
141 (defsubst wl-thread-entity-get-opened (entity)
143 (defsubst wl-thread-entity-get-children (entity)
145 (defsubst wl-thread-entity-get-parent (entity)
147 (defsubst wl-thread-entity-get-linked (entity)
150 (defsubst wl-thread-create-entity (num parent &optional opened linked)
151 (list num (or opened wl-thread-insert-opened) nil parent linked))
153 (defsubst wl-thread-get-entity (num)
155 (elmo-get-hash-val (format "#%d" num) wl-thread-entity-hashtb)))
157 (defsubst wl-thread-entity-set-parent (entity parent)
158 (setcar (cdddr entity) parent)
161 (defsubst wl-thread-entity-set-children (entity children)
162 (setcar (cddr entity) children))
164 (defsubst wl-thread-entity-set-linked (entity linked)
166 (setcar (cddddr entity) linked)
167 (nconc entity (list linked)))
170 (defsubst wl-thread-reparent-children (children parent)
172 (wl-thread-entity-set-parent
173 (wl-thread-get-entity (car children)) parent)
174 (wl-thread-entity-set-linked
175 (wl-thread-get-entity (car children)) t)
176 (setq children (cdr children))))
178 (defsubst wl-thread-entity-insert-as-top (entity)
181 (wl-append wl-thread-entity-list (list (car entity)))
182 (setq wl-thread-entities (cons entity wl-thread-entities))
183 (setq wl-summary-buffer-number-list
184 (nconc wl-summary-buffer-number-list (list (car entity))))
185 (elmo-set-hash-val (format "#%d" (car entity)) entity
186 wl-thread-entity-hashtb)))
188 (defsubst wl-thread-entity-insert-as-children (to entity)
189 (let ((children (wl-thread-entity-get-children to))
192 (elmo-list-insert wl-summary-buffer-number-list
193 (wl-thread-entity-get-number entity)
196 (wl-thread-entity-get-children curp))
197 (setq curp (wl-thread-get-entity
198 (nth (- (length curc) 1)
200 (wl-thread-entity-get-number curp)))
201 (setcar (cddr to) (wl-append children
202 (list (car entity))))
203 (setq wl-thread-entities (cons entity wl-thread-entities))
204 (elmo-set-hash-val (format "#%d" (car entity)) entity
205 wl-thread-entity-hashtb)))
207 (defsubst wl-thread-entity-set-opened (entity opened)
208 (setcar (cdr entity) opened))
210 (defsubst wl-thread-entity-get-children-num (entity)
213 (msgs (list (car entity))))
215 (setq msgs (cdr msgs))
216 (setq children (wl-thread-entity-get-children entity))
218 (while (and (null msgs) msgs-stack)
219 (setq msgs (wl-pop msgs-stack)))
220 (setq ret-val (+ (or ret-val 0) (length children)))
221 (wl-push msgs msgs-stack)
222 (setq msgs children))
223 (setq entity (wl-thread-get-entity (car msgs))))
226 (defun wl-thread-entity-get-descendant (entity)
229 (msgs (list (car entity))))
231 (setq msgs (cdr msgs))
232 (setq children (wl-thread-entity-get-children entity))
234 (while (and (null msgs) msgs-stack)
235 (setq msgs (wl-pop msgs-stack)))
236 (setq ret-val (nconc ret-val (copy-sequence children)))
237 (wl-push msgs msgs-stack)
238 (setq msgs children))
239 (setq entity (wl-thread-get-entity (car msgs))))
242 (defsubst wl-thread-entity-get-parent-entity (entity)
243 (wl-thread-get-entity (wl-thread-entity-get-parent entity)))
245 (defun wl-thread-entity-get-top-entity (entity)
246 (let ((cur-entity entity)
248 (while (setq p-num (wl-thread-entity-get-parent cur-entity))
249 (setq cur-entity (wl-thread-get-entity p-num)))
252 (defun wl-thread-entity-parent-invisible-p (entity)
253 "If parent of ENTITY is invisible, the top invisible ancestor entity of
255 (let ((cur-entity entity)
258 (while (setq cur-entity (wl-thread-entity-get-parent-entity
260 (if (null (wl-thread-entity-get-number cur-entity))
262 (when (not (wl-thread-entity-get-opened cur-entity))
263 (setq top cur-entity)))))
266 (defun wl-thread-entity-get-nearly-older-brother (entity &optional parent)
267 (let ((brothers (wl-thread-entity-get-older-brothers entity parent)))
269 (car (last brothers)))))
271 (defun wl-thread-entity-get-older-brothers (entity &optional parent)
272 (let ((parent (or parent
273 (wl-thread-entity-get-parent-entity entity)))
276 (setq brothers (wl-thread-entity-get-children parent))
277 (setq brothers wl-thread-entity-list))
279 (not (eq (wl-thread-entity-get-number entity)
281 (wl-append ret-val (list (car brothers)))
282 (setq brothers (cdr brothers)))
285 (defun wl-thread-entity-get-younger-brothers (entity &optional parent)
286 (let* ((parent (or parent
287 (wl-thread-entity-get-parent-entity entity)))
288 (brothers (wl-thread-entity-get-children parent)))
290 (cdr (memq (wl-thread-entity-get-number entity)
293 (cdr (memq (car entity) wl-thread-entity-list)))))
295 (defun wl-thread-jump-to-msg (&optional number)
296 "Jump to the message with specified number in the current summary."
298 (let ((num (or number
300 (read-from-minibuffer "Jump to Message(No.): ")))))
301 (wl-thread-entity-force-open (wl-thread-get-entity num))
302 (wl-summary-jump-to-msg num)))
304 (defun wl-thread-close-all ()
305 "Close all top threads."
307 (message "Closing all threads...")
309 (let ((entities wl-thread-entity-list)
311 (len (length wl-thread-entity-list)))
313 (when (and (wl-thread-entity-get-opened (wl-thread-get-entity
315 (wl-thread-entity-get-children (wl-thread-get-entity
317 (wl-summary-jump-to-msg (car entities))
318 (wl-thread-open-close))
319 (when (> len elmo-display-progress-threshold)
321 (if (or (zerop (% cur 5)) (= cur len))
322 (elmo-display-progress
323 'wl-thread-close-all "Closing all threads..."
324 (/ (* cur 100) len))))
325 (setq entities (cdr entities)))))
326 (message "Closing all threads...done"))
328 (defun wl-thread-open-all ()
331 (message "Opening all threads...")
333 (goto-char (point-min))
334 (let ((len (count-lines (point-min) (point-max)))
338 (if (wl-thread-entity-get-opened
339 (setq entity (wl-thread-get-entity
340 (wl-summary-message-number))))
342 (wl-thread-force-open)
343 (wl-thread-goto-bottom-of-sub-thread))
344 (when (> len elmo-display-progress-threshold)
346 (elmo-display-progress
347 'wl-thread-open-all "Opening all threads..."
348 (/ (* cur 100) len)))))
349 ;; Make sure to be 100%.
350 (elmo-display-progress
351 'wl-thread-open-all "Opening all threads..."
353 (message "Opening all threads...done"))
355 (defun wl-thread-open-all-unread ()
357 (dolist (number (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
359 (wl-thread-entity-force-open (wl-thread-get-entity number))))
361 (defsubst wl-thread-maybe-get-children-num (msg)
362 (let ((entity (wl-thread-get-entity msg)))
363 (if (not (wl-thread-entity-get-opened entity))
364 (wl-thread-entity-get-children-num entity))))
366 (defsubst wl-thread-update-line-on-buffer-sub (entity msg &optional parent-msg)
367 (let* ((entity (or entity (wl-thread-get-entity msg)))
368 (parent-msg (or parent-msg (wl-thread-entity-get-parent entity)))
369 (buffer-read-only nil)
370 (inhibit-read-only t)
371 message-entity temp-mark summary-line invisible-top)
372 (if (wl-thread-delete-line-from-buffer msg)
375 ((memq msg wl-summary-buffer-target-mark-list)
376 (setq temp-mark "*"))
377 ((setq temp-mark (wl-summary-registered-temp-mark msg))
378 (setq temp-mark (nth 1 temp-mark)))
379 (t (setq temp-mark (wl-summary-get-score-mark msg))))
380 (when (setq message-entity
381 (elmo-message-entity wl-summary-buffer-elmo-folder
383 (wl-summary-insert-line
384 (wl-summary-create-line
386 (elmo-message-entity wl-summary-buffer-elmo-folder
389 (elmo-message-status wl-summary-buffer-elmo-folder msg)
390 (if wl-thread-insert-force-opened
392 (wl-thread-maybe-get-children-num msg))
393 (wl-thread-make-indent-string entity)
394 (wl-thread-entity-get-linked entity)))))
395 ;; insert thread (moving thread)
396 (if (not (setq invisible-top
397 (wl-thread-entity-parent-invisible-p entity)))
398 (wl-summary-update-thread
399 (elmo-message-entity wl-summary-buffer-elmo-folder msg)
402 (elmo-message-entity wl-summary-buffer-elmo-folder
404 ;; currently invisible.. update closed line.
405 (wl-thread-update-children-number invisible-top)))))
407 (defun wl-thread-update-line-on-buffer (&optional msg parent-msg updates)
409 (let ((msgs (list (or msg (wl-summary-message-number))))
410 entity children msgs-stack)
412 (setq msg (wl-pop msgs))
413 (setq updates (and updates (delete msg updates)))
414 (setq entity (wl-thread-get-entity msg))
415 (wl-thread-update-line-on-buffer-sub entity msg parent-msg)
417 (setq children (wl-thread-entity-get-children entity))
420 (when (wl-thread-entity-get-opened entity)
421 (wl-push msgs msgs-stack)
425 (while (and (null msgs) msgs-stack)
426 (setq msgs (wl-pop msgs-stack)))
429 (wl-thread-entity-get-number
430 (wl-thread-entity-get-parent-entity
431 (wl-thread-get-entity (car msgs)))))))))
434 (defun wl-thread-update-line-msgs (msgs &optional no-msg)
435 (wl-delete-all-overlays)
442 ;;; (wl-thread-get-children-msgs (car msgs))))
443 ;;; (setq msgs (cdr msgs)))
444 ;;; (setq updates (elmo-uniq-list updates))
445 (setq len (length updates))
447 (wl-thread-update-line-on-buffer-sub nil (car updates))
448 (setq updates (cdr updates))
449 (when (and (not no-msg)
450 (> len elmo-display-progress-threshold))
452 (if (or (zerop (% i 5)) (= i len))
453 (elmo-display-progress
454 'wl-thread-update-line-msgs "Updating deleted thread..."
455 (/ (* i 100) len)))))))
457 (defun wl-thread-delete-line-from-buffer (msg)
458 "Simply delete msg line."
460 (if (wl-summary-jump-to-msg msg)
464 (delete-region beg (point))
468 (defun wl-thread-cleanup-symbols (msgs)
471 (when (setq entity (wl-thread-get-entity (car msgs)))
473 (setq wl-thread-entities (delq entity wl-thread-entities))
475 (elmo-clear-hash-val (format "#%d" (car msgs))
476 wl-thread-entity-hashtb))
477 (setq msgs (cdr msgs)))))
479 (defun wl-thread-get-exist-children (msg &optional include-self)
480 (let ((msgs (list msg))
484 (setq children (wl-thread-entity-get-children
485 (setq entity (wl-thread-get-entity (car msgs)))))
486 (when (elmo-message-entity wl-summary-buffer-elmo-folder (car msgs))
487 (wl-append ret-val (list (car msgs)))
489 (setq msgs (cdr msgs))
491 (while (and (null msgs) msgs-stack)
492 (setq msgs (wl-pop msgs-stack)))
493 (wl-push msgs msgs-stack)
494 (setq msgs children)))
495 (unless include-self (setq ret-val (delq msg ret-val)))
498 (defun wl-thread-delete-message (msg &optional deep update)
499 "Delete MSG from entity and buffer."
501 (let ((entity (wl-thread-get-entity msg))
502 top-child top-entity update-msgs invisible-top)
503 (setq wl-summary-buffer-number-list
504 (delq msg wl-summary-buffer-number-list))
507 (setq wl-summary-buffer-number-list
509 (wl-thread-entity-get-descendant entity)
510 wl-summary-buffer-number-list
512 (let ((parent (wl-thread-entity-get-parent-entity entity)))
516 (older-brothers (wl-thread-entity-get-older-brothers
518 (younger-brothers (wl-thread-entity-get-younger-brothers
521 (setq children (wl-thread-entity-get-children entity))
522 (wl-thread-reparent-children
523 children (wl-thread-entity-get-number parent))
525 (apply (function nconc)
530 (wl-thread-get-children-msgs message t)))
532 (wl-thread-entity-set-children
533 parent (append older-brothers children younger-brothers))
534 ;; If chidren and younger-brothers do not exist,
535 ;; update nearly older brother.
536 (when (and older-brothers
537 (not younger-brothers)
541 (wl-thread-get-children-msgs (car (last older-brothers))))))
542 ;; top...oldest child becomes top.
544 (let ((children (wl-thread-entity-get-children entity)))
546 (setq top-child (car children)
547 children (cdr children))
548 (setq top-entity (wl-thread-get-entity top-child))
549 (wl-thread-entity-set-parent top-entity nil)
550 (wl-thread-entity-set-linked top-entity nil)
551 (wl-append update-msgs
552 (wl-thread-get-children-msgs top-child t)))
554 (wl-thread-entity-set-children
557 (wl-thread-entity-get-children top-entity)
559 (wl-thread-reparent-children children top-child)
560 (wl-append update-msgs children))))
561 ;; delete myself from top list.
562 (let ((match (memq msg wl-thread-entity-list)))
565 (setcar match top-child)
566 (setq wl-thread-entity-list
567 (delq msg wl-thread-entity-list))))))))
570 ;; delete thread on buffer
571 (when (wl-summary-jump-to-msg msg)
573 (wl-thread-goto-bottom-of-sub-thread)
574 (delete-region beg (point))))
575 ;; delete myself from buffer.
576 (unless (wl-thread-delete-line-from-buffer msg)
577 ;; jump to suitable point.
578 ;; just upon the oldest younger-brother of my top.
580 (car (wl-thread-entity-parent-invisible-p entity)))
583 (wl-append update-msgs (list invisible-top))
584 (wl-summary-jump-to-msg invisible-top))
585 (goto-char (point-max))))
587 ;; insert children if thread is closed or delete top.
589 (not (wl-thread-entity-get-opened entity)))
590 (let (next-top insert-msgs ent grandchildren)
593 (setq insert-msgs (wl-thread-get-exist-children
594 top-child 'include-self))
595 (setq next-top (car insert-msgs))
596 (setq ent (wl-thread-get-entity next-top))
598 (wl-thread-entity-get-opened entity) ;; open
599 (not (wl-thread-entity-get-opened ent)) ;; close
601 (wl-thread-entity-get-children ent))
602 (wl-summary-jump-to-msg next-top))
604 (setq insert-msgs (append (cdr insert-msgs) grandchildren)))
605 (when top-entity (wl-thread-entity-set-opened top-entity t))
606 (when ent (wl-thread-entity-set-opened ent t)))
607 (when (not invisible-top)
608 (setq insert-msgs (wl-thread-get-exist-children msg))
609 ;; First msg always opened, because first msg maybe becomes top.
610 (if (setq ent (wl-thread-get-entity (car insert-msgs)))
611 (wl-thread-entity-set-opened ent t))))
614 ;; if no exists in summary, insert entity.
615 (when (and (car insert-msgs)
616 (not (wl-summary-jump-to-msg (car insert-msgs))))
617 (setq ent (wl-thread-get-entity (car insert-msgs)))
618 (wl-thread-insert-entity 0 ; no mean now...
620 (setq insert-msgs (cdr insert-msgs))))))
624 (wl-thread-update-line-on-buffer-sub nil (pop update-msgs)))
625 ;; don't update buffer
626 update-msgs)))) ; return value
628 (defun wl-thread-insert-message (message-entity
629 msg parent-msg &optional update linked)
630 "Insert MSG to the entity.
631 When optional argument UPDATE is non-nil,
632 Message is inserted to the summary buffer."
633 (let ((parent (wl-thread-get-entity parent-msg))
634 child-entity invisible-top)
635 ;;; Update the thread view...not implemented yet.
636 ;;; (when force-insert
638 ;;; (wl-thread-entity-force-open parent))
639 (when (and wl-summary-max-thread-depth parent)
644 (setq cur (wl-thread-entity-get-parent-entity cur)))
645 (when (> depth wl-summary-max-thread-depth)
649 ;; insert as children.
650 (wl-thread-entity-insert-as-children
652 (setq child-entity (wl-thread-create-entity
653 msg (nth 0 parent) nil linked)))
654 ;; insert as top message.
655 (wl-thread-entity-insert-as-top
656 (wl-thread-create-entity msg nil)))
658 (if (not (setq invisible-top
659 (wl-thread-entity-parent-invisible-p child-entity)))
662 (wl-summary-update-thread
665 (elmo-message-entity wl-summary-buffer-elmo-folder
668 ;; use thread structure.
669 ;;(wl-thread-entity-get-nearly-older-brother
670 ;; child-entity parent))) ; return value
671 (wl-thread-entity-get-number parent))) ; return value
672 ;;; (setq beg (point))
673 ;;; (wl-thread-goto-bottom-of-sub-thread)
674 ;;; (wl-thread-update-indent-string-region beg (point)))
675 ;; currently invisible.. update closed line.
676 (wl-thread-update-children-number invisible-top)
679 ;(defun wl-thread-get-parent-list (msgs)
680 ; ;; return ancestors
681 ; (let* ((msgs2 msgs)
684 ; (setq myself (car msgs2)
686 ; (while (not (eq myself (car msgs2)))
687 ; (if (wl-thread-descendant-p myself (car msgs2))
688 ; (setq msgs (delq (car msgs2) msgs)))
689 ; (setq msgs2 (or (cdr msgs2) msgs)))
690 ; (setq msgs2 (cdr msgs2)))
693 (defun wl-thread-get-parent-list (msgs)
694 ;; return connected ancestors
698 (setq parent (wl-thread-entity-get-parent (wl-thread-get-entity (car ptr))))
699 (when (or (not parent)
700 (not (memq parent msgs)))
701 (setq ret (append ret (list (car ptr)))))
702 (setq ptr (cdr ptr)))
705 (defun wl-thread-update-indent-string-thread (top-list)
706 (let* ((top-list (wl-thread-get-parent-list top-list))
707 (num (length top-list))
711 (when (> num elmo-display-progress-threshold)
713 (when (or (zerop (% i 5)) (= i num))
714 (elmo-display-progress
715 'wl-thread-update-indent-string-thread
716 "Updating thread indent..."
719 (wl-summary-jump-to-msg (car top-list))
721 (wl-thread-goto-bottom-of-sub-thread)
722 (wl-thread-update-indent-string-region beg (point)))
723 (setq top-list (cdr top-list)))
724 (message "Updating thread indent...done")))
726 (defun wl-thread-update-children-number (entity)
727 "Update the children number."
728 (wl-thread-update-line-on-buffer (wl-thread-entity-get-number entity)))
731 ;; Thread oriented commands.
733 (defun wl-thread-call-region-func (func &optional arg)
736 (wl-summary-goto-top-of-current-thread)
739 (wl-thread-goto-bottom-of-sub-thread)
740 (funcall func beg (point)))))
742 (defun wl-thread-prefetch (&optional arg)
744 (wl-thread-call-region-func 'wl-summary-prefetch-region arg))
746 (defun wl-thread-mark-as-read (&optional arg)
748 (wl-thread-call-region-func 'wl-summary-mark-as-read-region arg))
750 (defun wl-thread-mark-as-unread (&optional arg)
752 (wl-thread-call-region-func 'wl-summary-mark-as-unread-region arg))
754 (defun wl-thread-mark-as-important (&optional arg)
756 (wl-thread-call-region-func 'wl-summary-mark-as-important-region arg))
758 (defun wl-thread-set-flags (&optional arg)
760 (wl-thread-call-region-func 'wl-summary-set-flags-region arg))
762 (defun wl-thread-mark-as-answered (&optional arg)
764 (wl-thread-call-region-func 'wl-summary-mark-as-answered-region arg))
766 (defun wl-thread-recover-messages (&optional arg)
767 "Recover killed messages which are contained current thread."
769 (wl-thread-call-region-func 'wl-summary-recover-messages-region arg))
771 (defun wl-thread-unmark (&optional arg)
773 (wl-thread-call-region-func 'wl-summary-unmark-region arg))
775 (defun wl-thread-exec (&optional arg)
777 (wl-thread-call-region-func 'wl-summary-exec-region arg))
779 (defun wl-thread-save (&optional arg)
781 (wl-thread-call-region-func 'wl-summary-save-region arg))
783 (defun wl-thread-force-open (&optional msg-num)
784 "force open current folder"
786 (wl-summary-jump-to-msg msg-num))
787 (wl-thread-open-close 'force-open))
789 (defun wl-thread-entity-force-open (entity)
790 (let ((wl-thread-insert-force-opened t)
792 (if (null (wl-thread-entity-get-parent entity))
794 (if (and (not (wl-thread-entity-get-opened entity))
795 (wl-thread-entity-get-children entity))
796 (wl-thread-force-open (wl-thread-entity-get-number entity)))
797 (if (setq notopen (wl-thread-entity-parent-invisible-p entity))
798 (wl-thread-force-open (wl-thread-entity-get-number notopen))))))
800 (defun wl-thread-insert-top ()
801 (let ((elist wl-thread-entity-list)
802 (len (length wl-thread-entity-list))
804 (wl-delete-all-overlays)
806 (wl-thread-insert-entity
808 (wl-thread-get-entity (car elist))
811 (setq elist (cdr elist))
812 (when (> len elmo-display-progress-threshold)
814 (if (or (zerop (% cur 2)) (= cur len))
815 (elmo-display-progress
816 'wl-thread-insert-top "Inserting message..."
817 (/ (* cur 100) len)))))))
819 (defsubst wl-thread-insert-entity-sub (indent entity parent-entity all)
824 (when (setq msg-num (wl-thread-entity-get-number entity))
825 (unless all ; all...means no temp-mark.
826 (cond ((memq msg-num wl-summary-buffer-target-mark-list)
827 (setq temp-mark "*"))
828 ((setq temp-mark (wl-summary-registered-temp-mark msg-num))
829 (setq temp-mark (nth 1 temp-mark)))))
831 (setq temp-mark (wl-summary-get-score-mark msg-num)))
833 (elmo-message-entity wl-summary-buffer-elmo-folder
835 ;;; (wl-delete-all-overlays)
837 (wl-summary-insert-line
838 (wl-summary-create-line
840 (elmo-message-entity wl-summary-buffer-elmo-folder
841 (nth 0 parent-entity))
843 (elmo-message-status wl-summary-buffer-elmo-folder msg-num)
844 (if wl-thread-insert-force-opened
846 (wl-thread-maybe-get-children-num msg-num))
847 (wl-thread-make-indent-string entity)
848 (wl-thread-entity-get-linked entity)))))))
850 (defun wl-thread-insert-entity (indent entity parent-entity all)
851 "Insert thread entity in current buffer."
852 (let ((msgs (list (car entity)))
855 (wl-thread-insert-entity-sub indent entity parent-entity all)
856 (setq msgs (cdr msgs))
857 (setq children (nth 2 entity))
860 (when (or wl-thread-insert-force-opened
861 (wl-thread-entity-get-opened entity))
862 (wl-thread-entity-set-opened entity t)
863 (wl-push msgs msgs-stack)
866 parent-entity entity)))
868 (while (and (null msgs) msgs-stack)
869 (setq msgs (wl-pop msgs-stack))
870 (setq indent (1- indent)))
872 (setq entity (wl-thread-get-entity (car msgs)))
873 (setq parent-entity (wl-thread-entity-get-parent-entity entity))))
874 (setq entity (wl-thread-get-entity (car msgs))))))
876 (defun wl-thread-descendant-p (mynumber number)
877 (let ((cur (wl-thread-get-entity number))
881 (setq cur (wl-thread-entity-get-parent-entity cur))
882 (if (null (setq num (wl-thread-entity-get-number cur))) ; top!
885 (eq mynumber (wl-thread-entity-get-number cur)))
889 ;; (defun wl-thread-goto-bottom-of-sub-thread ()
891 ;; (let ((depth (wl-thread-get-depth-of-current-line)))
893 ;; (while (and (not (eobp))
894 ;; (> (wl-thread-get-depth-of-current-line)
897 ;; (beginning-of-line)))
899 (defun wl-thread-goto-bottom-of-sub-thread (&optional msg)
901 (let ((mynumber (or msg (wl-summary-message-number))))
903 (while (wl-thread-descendant-p mynumber (wl-summary-message-number))
905 (beginning-of-line)))
907 (defun wl-thread-remove-argument-region (beg end)
910 (narrow-to-region beg end)
911 (goto-char (point-min))
913 (wl-summary-remove-argument)
916 (defun wl-thread-print-argument-region (beg end)
917 (if wl-summary-buffer-temp-mark-list
920 (narrow-to-region beg end)
921 (goto-char (point-min))
923 (let ((num (wl-summary-message-number))
925 (when (and (setq temp-mark
926 (wl-summary-registered-temp-mark num))
928 (setq pair (cons (nth 0 temp-mark)(nth 2 temp-mark))))
929 (wl-summary-print-argument (car pair) (cdr pair))))
930 (forward-line 1))))))
932 (defsubst wl-thread-get-children-msgs (msg &optional visible-only)
933 (let ((msgs (list msg))
937 (wl-append ret-val (list (car msgs)))
938 (setq children (wl-thread-entity-get-children
939 (setq entity (wl-thread-get-entity (car msgs)))))
940 (if (and visible-only
941 (not (wl-thread-entity-get-opened entity)))
943 (setq msgs (cdr msgs))
945 (while (and (null msgs) msgs-stack)
946 (setq msgs (wl-pop msgs-stack)))
947 (wl-push msgs msgs-stack)
948 (setq msgs children)))
951 (defun wl-thread-get-children-msgs-uncached (msg &optional uncached-marks)
952 (let ((children-msgs (wl-thread-get-children-msgs msg))
955 (if (and (not (eq msg (car children-msgs))) ; except itself
956 (or (and uncached-marks
957 (setq mark (wl-summary-message-mark
958 wl-summary-buffer-elmo-folder
959 (car children-msgs)))
960 (member mark uncached-marks))
961 (and (not uncached-marks)
962 (null (elmo-file-cache-exists-p
964 wl-summary-buffer-elmo-folder
967 (wl-append uncached-list (list (car children-msgs))))
968 (setq children-msgs (cdr children-msgs)))
971 (defun wl-thread-get-children-msgs-with-mark (msg mark)
972 (let ((children-msgs (wl-thread-get-children-msgs msg))
973 (check-func (cond ((string= mark "o")
974 'wl-summary-msg-marked-as-refiled)
976 'wl-summary-msg-marked-as-copied)
978 'wl-summary-msg-marked-as-deleted)
980 'wl-summary-msg-marked-as-target)))
983 (if (funcall check-func (car children-msgs))
984 (wl-append ret-val (list (car children-msgs))))
985 (setq children-msgs (cdr children-msgs)))
988 (defun wl-thread-close (entity)
990 (wl-thread-entity-set-opened entity nil)
991 (setq depth (wl-thread-get-depth-of-current-line))
994 (wl-thread-goto-bottom-of-sub-thread)
995 (wl-thread-remove-argument-region beg
997 (forward-char -1) ;; needed for mouse-face.
998 (delete-region beg (point))
999 (wl-thread-insert-entity (- depth 1)
1001 (wl-thread-get-entity
1004 (delete-char 1) ; delete '\n'
1005 (wl-thread-print-argument-region beg (point))))
1007 (defun wl-thread-open (entity)
1011 (setq depth (wl-thread-get-depth-of-current-line))
1013 (delete-region beg (point))
1014 (wl-thread-entity-set-opened entity t)
1015 (wl-thread-insert-entity depth ;(- depth 1)
1017 (wl-thread-get-entity
1018 (nth 3 entity)) nil)
1019 (delete-char 1) ; delete '\n'
1020 (wl-thread-print-argument-region beg (point))))
1022 (defun wl-thread-open-close (&optional force-open)
1024 (when (eq wl-summary-buffer-view 'thread)
1025 ;;; (if (equal wl-thread-top-entity '(nil t nil nil))
1026 ;;; (error "There's no thread structure"))
1028 (let ((inhibit-read-only t)
1029 (buffer-read-only nil)
1030 (wl-thread-insert-force-opened
1031 (or wl-thread-insert-force-opened
1034 (setq msg (wl-summary-message-number))
1035 (setq entity (wl-thread-get-entity msg))
1036 (if (wl-thread-entity-get-opened entity)
1037 ;; if already opened, close its child!
1038 (if (wl-thread-entity-get-children entity)
1039 (wl-thread-close entity)
1040 ;; opened, but has no children, close its parent!
1041 (when (setq parent (wl-thread-entity-get-parent entity))
1042 (wl-summary-jump-to-msg parent)
1044 (wl-thread-get-entity (wl-summary-message-number)))))
1045 ;; if closed (or it is just a thread bottom message)
1046 ;; has children, open it!
1047 (if (wl-thread-entity-get-children entity)
1048 (wl-thread-open entity)
1049 ;; closed, and has no children, close its parent!
1050 (setq msg (or (wl-thread-entity-get-parent entity)
1051 (wl-thread-entity-get-number entity)))
1053 (wl-summary-jump-to-msg msg)
1055 (wl-thread-get-entity (wl-summary-message-number)))))))
1056 (when wl-summary-lazy-highlight
1057 (wl-highlight-summary-window))
1058 (wl-summary-set-message-modified)
1059 (set-buffer-modified-p nil))))
1061 (defun wl-thread-get-depth-of-current-line ()
1062 (let ((entity (wl-thread-get-entity (wl-summary-message-number)))
1065 (while (setq number (wl-thread-entity-get-parent entity))
1067 (setq entity (wl-thread-get-entity number)))
1070 (defun wl-thread-update-indent-string-region (beg end)
1074 (while (< (point) end)
1076 (wl-thread-update-line-on-buffer-sub nil (wl-summary-message-number)))
1079 (defsubst wl-thread-make-indent-string (entity)
1082 (space-str (wl-repeat-string wl-thread-space-str-internal
1083 (- wl-thread-indent-level-internal 1)))
1085 (when (wl-thread-entity-get-number
1086 (setq parent (wl-thread-entity-get-parent-entity cur)))
1087 (if (wl-thread-entity-get-younger-brothers cur)
1088 (setq ret-val wl-thread-have-younger-brother-str-internal)
1089 (setq ret-val wl-thread-youngest-child-str-internal))
1090 (setq ret-val (concat ret-val
1092 wl-thread-horizontal-str-internal
1093 (- wl-thread-indent-level-internal 1))))
1095 (while (wl-thread-entity-get-number
1096 (wl-thread-entity-get-parent-entity cur))
1097 (if (wl-thread-entity-get-younger-brothers cur)
1098 (setq ret-val (concat wl-thread-vertical-str-internal
1101 (setq ret-val (concat wl-thread-space-str-internal
1104 (setq cur (wl-thread-entity-get-parent-entity cur))))
1107 (defun wl-thread-set-parent (&optional parent-number)
1108 "Set current message's parent interactively."
1110 (let ((number (wl-summary-message-number))
1111 (dst-parent (if (interactive-p)
1112 (read-from-minibuffer "Parent Message (No.): ")))
1113 entity dst-parent-entity src-parent children
1116 (if (string= dst-parent "")
1117 (setq dst-parent nil)
1119 (setq dst-parent (string-to-int dst-parent))
1120 (setq dst-parent parent-number)))
1122 (memq dst-parent (wl-thread-get-children-msgs number)))
1123 (error "Parent is children or myself"))
1124 (setq entity (wl-thread-get-entity number))
1125 (when (and number entity)
1127 (setq update-msgs (wl-thread-delete-message number 'deep))
1128 ;; insert as child at new parent
1129 (setq dst-parent-entity (wl-thread-get-entity dst-parent))
1130 (if dst-parent-entity
1133 (wl-thread-entity-get-children dst-parent-entity))
1134 (wl-append update-msgs
1135 (wl-thread-get-children-msgs
1136 (car (last children)) t)))
1137 (wl-thread-entity-set-children
1139 (append children (list number)))
1140 (wl-thread-entity-set-linked
1142 (let ((parent (elmo-message-entity-parent
1143 wl-summary-buffer-elmo-folder
1144 (elmo-message-entity
1145 wl-summary-buffer-elmo-folder
1148 (/= parent-number (elmo-message-entity-number parent))))))
1150 (wl-append wl-thread-entity-list (list number))
1151 (wl-thread-entity-set-linked entity nil))
1154 (wl-append update-msgs (wl-thread-get-children-msgs number t))
1155 (setq update-msgs (elmo-uniq-list update-msgs))
1156 (wl-thread-entity-set-parent entity dst-parent)
1157 ;; update thread on buffer
1158 (wl-thread-make-number-list)
1159 (wl-thread-update-line-msgs update-msgs t))))
1162 (product-provide (provide 'wl-thread) (require 'wl-version))
1164 ;;; wl-thread.el ends here