wl/wl-summary.el

   1 ;;; wl-summary.el --- Summary mode for Wanderlust.
   2
   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>
   5 ;; Copyright (C) 1999,2000      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
   6 ;; Copyright (C) 1999,2000      Kenichi OKADA <okada@opaopa.org>
   7
   8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   9 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
  10 ;;      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
  11 ;;      Kenichi OKADA <okada@opaopa.org>
  12 ;; Keywords: mail, net news
  13
  14 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  15
  16 ;; This program is free software; you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation; either version 2, or (at your option)
  19 ;; any later version.
  20 ;;
  21 ;; This program is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25 ;;
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  29 ;; Boston, MA 02111-1307, USA.
  30 ;;
  31
  32 ;;; Commentary:
  33 ;;
  34
  35 ;;; Code:
  36 ;;
  37
  38 (require 'elmo)
  39 (require 'elmo-multi)
  40 (require 'wl-message)
  41 (require 'wl-vars)
  42 (require 'wl-highlight)
  43 (require 'wl-refile)
  44 (require 'wl-util)
  45 (condition-case nil (require 'timezone) (error nil))
  46 (condition-case nil (require 'easymenu) (error nil))
  47 (require 'elmo-date)
  48 (condition-case nil (require 'ps-print) (error nil))
  49
  50 (eval-when-compile
  51   (require 'cl)
  52   (condition-case () (require 'timer) (error nil))
  53   (defalias-maybe 'ps-print-buffer-with-faces 'ignore)
  54   (defalias-maybe 'elmo-database-msgid-put 'ignore)
  55   (defalias-maybe 'elmo-database-close 'ignore)
  56   (defalias-maybe 'elmo-database-msgid-get 'ignore)
  57   (defalias-maybe 'run-with-idle-timer 'ignore)
  58   (defalias-maybe 'ps-print-preprint 'ignore))
  59
  60 (defvar dragdrop-drop-functions)
  61 (defvar scrollbar-height)
  62 (defvar mail-reply-buffer)
  63 (defvar elmo-global-flag-list)
  64
  65 (defvar wl-summary-buffer-name "Summary")
  66 (defvar wl-summary-mode-map nil)
  67 (defvar wl-current-summary-buffer nil)
  68
  69 (defvar wl-summary-buffer-elmo-folder nil)
  70
  71 (defmacro wl-summary-buffer-folder-name ()
  72   (` (and wl-summary-buffer-elmo-folder
  73           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  74
  75 (defvar wl-summary-buffer-disp-msg    nil)
  76 (defvar wl-summary-buffer-disp-folder nil)
  77 (defvar wl-summary-buffer-temp-mark-list nil)
  78 (defvar wl-summary-buffer-last-displayed-msg nil)
  79 (defvar wl-summary-buffer-current-msg nil)
  80 (defvar wl-summary-buffer-unread-count 0)
  81 (defvar wl-summary-buffer-new-count    0)
  82 (defvar wl-summary-buffer-answered-count 0)
  83 (defvar wl-summary-buffer-mime-charset  nil)
  84 (defvar wl-summary-buffer-weekday-name-lang  nil)
  85 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  86 (defvar wl-summary-buffer-view nil)
  87 (defvar wl-summary-buffer-message-modified nil)
  88 (defvar wl-summary-buffer-thread-modified nil)
  89
  90 (defvar wl-summary-buffer-number-column nil)
  91 (defvar wl-summary-buffer-temp-mark-column nil)
  92 (defvar wl-summary-buffer-persistent-mark-column nil)
  93
  94 (defvar wl-summary-buffer-unsync-mark-number-list nil)
  95
  96 (defvar wl-summary-buffer-persistent nil)
  97 (defvar wl-summary-buffer-thread-nodes nil)
  98 (defvar wl-summary-buffer-target-mark-list nil)
  99 (defvar wl-summary-buffer-prev-refile-destination nil)
 100 (defvar wl-summary-buffer-saved-message nil)
 101 (defvar wl-summary-buffer-prev-folder-function nil)
 102 (defvar wl-summary-buffer-next-folder-function nil)
 103 (defvar wl-summary-buffer-exit-function nil)
 104 (defvar wl-summary-buffer-next-message-function nil)
 105 (defvar wl-summary-buffer-window-scroll-functions nil)
 106 (defvar wl-summary-buffer-number-list nil)
 107 (defvar wl-summary-buffer-folder-name nil)
 108 (defvar wl-summary-buffer-line-formatter nil)
 109 (defvar wl-summary-buffer-line-format nil)
 110 (defvar wl-summary-buffer-mode-line-formatter nil)
 111 (defvar wl-summary-buffer-mode-line nil)
 112
 113 (defvar wl-thread-indent-level-internal nil)
 114 (defvar wl-thread-have-younger-brother-str-internal nil)
 115 (defvar wl-thread-youngest-child-str-internal nil)
 116 (defvar wl-thread-vertical-str-internal nil)
 117 (defvar wl-thread-horizontal-str-internal nil)
 118 (defvar wl-thread-space-str-internal nil)
 119 (defvar wl-summary-last-visited-folder nil)
 120 (defvar wl-read-folder-history nil)
 121 (defvar wl-summary-scored nil)
 122 (defvar wl-crosspost-alist-modified nil)
 123 (defvar wl-summary-alike-hashtb nil)
 124 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 125 (defvar wl-summary-delayed-update nil)
 126 (defvar wl-summary-search-buf-folder-name nil)
 127
 128 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 129
 130 (defvar wl-summary-shell-command-last "")
 131
 132 (defvar wl-ps-preprint-hook nil)
 133 (defvar wl-ps-print-hook nil)
 134
 135 (defvar wl-thread-saved-entity-hashtb-internal nil)
 136
 137 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 138 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 139 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 140 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 141 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 142 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 143 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 144 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 145 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 146 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 147 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 148 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 149 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 150 (make-variable-buffer-local 'wl-summary-buffer-view)
 151 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 152 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 153 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 154 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 155 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 156 (make-variable-buffer-local 'wl-summary-buffer-unsync-mark-number-list)
 157 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 158 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 159 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 160 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 161 (make-variable-buffer-local 'wl-summary-scored)
 162 (make-variable-buffer-local 'wl-summary-default-score)
 163 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 164 (make-variable-buffer-local 'wl-summary-important-above)
 165 (make-variable-buffer-local 'wl-summary-target-above)
 166 (make-variable-buffer-local 'wl-summary-mark-below)
 167 (make-variable-buffer-local 'wl-summary-expunge-below)
 168 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 169 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 170 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 171 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 172 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 173 (make-variable-buffer-local 'wl-thread-space-str-internal)
 174 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 175 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 176 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 177 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 179 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 180 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 181 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 182 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 183 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 184 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 185
 186 (defvar wl-datevec)
 187 (defvar wl-thr-indent-string)
 188 (defvar wl-thr-children-number)
 189 (defvar wl-thr-linked)
 190 (defvar wl-message-entity)
 191 (defvar wl-parent-message-entity)
 192 (defvar wl-temp-mark)
 193 (defvar wl-persistent-mark)
 194
 195 (defmacro wl-summary-sticky-buffer-name (name)
 196   (` (concat wl-summary-buffer-name ":" (, name))))
 197
 198 (defun wl-summary-default-subject (subject-string)
 199   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 200       (substring subject-string (match-end 0))
 201     subject-string))
 202
 203 (defun wl-summary-default-from (from)
 204   "Instance of `wl-summary-from-function'.
 205 Ordinarily returns the sender name. Returns recipient names if (1)
 206 summary's folder name matches with `wl-summary-showto-folder-regexp'
 207 and (2) sender address is yours.
 208
 209 See also variable `wl-use-petname'."
 210   (let (retval tos ng)
 211     (unless
 212         (and (eq major-mode 'wl-summary-mode)
 213              (stringp wl-summary-showto-folder-regexp)
 214              (string-match wl-summary-showto-folder-regexp
 215                            (wl-summary-buffer-folder-name))
 216              (wl-address-user-mail-address-p from)
 217              (cond
 218               ((and (setq tos (elmo-message-entity-field
 219                                wl-message-entity 'to t))
 220                     (not (string= "" tos)))
 221                (setq retval
 222                      (concat "To:"
 223                              (mapconcat
 224                               (function
 225                                (lambda (to)
 226                                  (eword-decode-string
 227                                   (if wl-use-petname
 228                                       (or
 229                                        (funcall
 230                                         wl-summary-get-petname-function to)
 231                                        (car
 232                                         (std11-extract-address-components to))
 233                                        to)
 234                                     to))))
 235                               (wl-parse-addresses tos)
 236                               ","))))
 237               ((setq ng (elmo-message-entity-field
 238                          wl-message-entity 'newsgroups))
 239                (setq retval (concat "Ng:" ng)))))
 240       (if wl-use-petname
 241           (setq retval (or (funcall wl-summary-get-petname-function from)
 242                            (car (std11-extract-address-components from))
 243                            from))
 244         (setq retval from)))
 245     retval))
 246
 247 (defun wl-summary-simple-from (string)
 248   (if wl-use-petname
 249       (or (funcall wl-summary-get-petname-function string)
 250           (car (std11-extract-address-components string))
 251           string)
 252     string))
 253
 254 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 255 (defvar wl-summary-default-sort-spec 'date)
 256
 257 (defvar wl-summary-mode-menu-spec
 258   '("Summary"
 259     ["Read" wl-summary-read t]
 260     ["Prev page" wl-summary-prev-page t]
 261     ["Next page" wl-summary-next-page t]
 262     ["Top"       wl-summary-display-top t]
 263     ["Bottom"    wl-summary-display-bottom t]
 264     ["Prev"      wl-summary-prev t]
 265     ["Next"      wl-summary-next t]
 266     ["Up"        wl-summary-up t]
 267     ["Down"      wl-summary-down t]
 268     ["Parent message" wl-summary-jump-to-parent-message t]
 269     "----"
 270     ["Sync"            wl-summary-sync t]
 271     ["Execute"         wl-summary-exec t]
 272     ["Go to other folder" wl-summary-goto-folder t]
 273     ["Pick" wl-summary-pick t]
 274     ["Mark as read all" wl-summary-mark-as-read-all t]
 275     ["Unmark all"      wl-summary-unmark-all t]
 276     ["Toggle display message" wl-summary-toggle-disp-msg t]
 277     ["Display folder" wl-summary-toggle-disp-folder t]
 278     ["Toggle threading" wl-summary-toggle-thread t]
 279     ["Stick" wl-summary-stick t]
 280     ("Sort"
 281      ["By Number" wl-summary-sort-by-number t]
 282      ["By Size" wl-summary-sort-by-size t]
 283      ["By Date" wl-summary-sort-by-date t]
 284      ["By From" wl-summary-sort-by-from t]
 285      ["By Subject" wl-summary-sort-by-subject t]
 286      ["By List Info" wl-summary-sort-by-list-info t])
 287     "----"
 288     ("Message Operation"
 289      ["Mark as read"    wl-summary-mark-as-read t]
 290      ["Set flags"       wl-summary-set-flags t]
 291      ["Mark as unread"   wl-summary-mark-as-unread t]
 292      ["Mark as answered" wl-summary-mark-as-answered t]
 293      ["Set dispose mark" wl-summary-dispose t]
 294      ["Set refile mark" wl-summary-refile t]
 295      ["Set copy mark"   wl-summary-copy t]
 296      ["Set resend mark" wl-summary-resend t]
 297      ["Prefetch"        wl-summary-prefetch t]
 298      ["Set target mark" wl-summary-target-mark t]
 299      ["Unmark"          wl-summary-unmark t]
 300      ["Save"            wl-summary-save t]
 301      ["Cancel posted news" wl-summary-cancel-message t]
 302      ["Supersedes message" wl-summary-supersedes-message t]
 303      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 304      ["Enter the message" wl-summary-jump-to-current-message t]
 305      ["Pipe message" wl-summary-pipe-message t]
 306      ["Print message" wl-summary-print-message t])
 307     ("Thread Operation"
 308      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 309      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 310      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 311      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 312      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 313      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 314      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 315      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 316      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 317      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 318      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 319      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 320      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 321      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 322      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 323     ("Region Operation"
 324      ["Mark as read" wl-summary-mark-as-read-region t]
 325      ["Set flags" wl-summary-set-flags-region t]
 326      ["Mark as unread" wl-summary-mark-as-unread-region t]
 327      ["Mark as answered" wl-summary-mark-as-answered-region t]
 328      ["Set dispose mark" wl-summary-dispose-region t]
 329      ["Set refile mark" wl-summary-refile-region t]
 330      ["Set copy mark" wl-summary-copy-region t]
 331      ["Prefetch" wl-summary-prefetch-region t]
 332      ["Set target mark" wl-summary-target-mark-region t]
 333      ["Unmark" wl-summary-unmark-region t]
 334      ["Save" wl-summary-save-region t]
 335      ["Execute" wl-summary-exec-region t])
 336     ("Mark Operation"
 337      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 338      ["Set flags" wl-summary-target-mark-set-flags t]
 339      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 340      ["Set delete mark" wl-summary-target-mark-delete t]
 341      ["Set refile mark" wl-summary-target-mark-refile t]
 342      ["Set copy mark" wl-summary-target-mark-copy t]
 343      ["Prefetch" wl-summary-target-mark-prefetch t]
 344      ["Save" wl-summary-target-mark-save t]
 345      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 346      ["Forward" wl-summary-target-mark-forward t]
 347      ["uudecode" wl-summary-target-mark-uudecode t])
 348     ("Score Operation"
 349      ["Switch current score file" wl-score-change-score-file t]
 350      ["Edit current score file" wl-score-edit-current-scores t]
 351      ["Edit score file" wl-score-edit-file t]
 352      ["Set mark below" wl-score-set-mark-below t]
 353      ["Set expunge below" wl-score-set-expunge-below t]
 354      ["Rescore buffer" wl-summary-rescore t]
 355      ["Increase score" wl-summary-increase-score t]
 356      ["Lower score" wl-summary-lower-score t])
 357     "----"
 358     ("Writing Messages"
 359      ["Write a message" wl-summary-write t]
 360      ["Write for current folder" wl-summary-write-current-folder t]
 361      ["Reply" wl-summary-reply t]
 362      ["Reply with citation" wl-summary-reply-with-citation t]
 363      ["Forward" wl-summary-forward t])
 364     "----"
 365     ["Toggle Plug Status" wl-toggle-plugged t]
 366     ["Change Plug Status" wl-plugged-change t]
 367     "----"
 368     ["Exit Current Folder" wl-summary-exit t]))
 369
 370 (if wl-on-xemacs
 371     (defun wl-summary-setup-mouse ()
 372       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 373       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 374       (define-key wl-summary-mode-map [(shift button4)]
 375         'wl-summary-up)
 376       (define-key wl-summary-mode-map [(shift button5)]
 377         'wl-summary-down)
 378       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 379   (defun wl-summary-setup-mouse ()
 380     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 381     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 382     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 383     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 384     ;; For Meadow2
 385     (define-key wl-summary-mode-map [mouse-wheel1]
 386       'wl-summary-wheel-dispatcher)
 387     (define-key wl-summary-mode-map [S-mouse-wheel1]
 388       'wl-summary-wheel-dispatcher)
 389     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 390
 391 (if wl-summary-mode-map
 392     ()
 393   (setq wl-summary-mode-map (make-keymap))
 394   (suppress-keymap wl-summary-mode-map)
 395   (define-key wl-summary-mode-map " "    'wl-summary-read)
 396   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 397   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 398   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 399   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 400   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 401   (define-key wl-summary-mode-map "\r"   'wl-summary-next-line-content)
 402   (define-key wl-summary-mode-map "\C-m" 'wl-summary-next-line-content)
 403   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 404   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 405   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 406   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 407   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 408   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 409   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 410   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 411
 412   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 413   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 414   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 415   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 416   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 417   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 418   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 419   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 420   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 421   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 422
 423   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 424   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 425   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 426   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 427   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 428   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 429   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 430   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 431   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 432   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 433   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 434   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 435   (define-key wl-summary-mode-map "H"    'wl-summary-redisplay-all-header)
 436   (define-key wl-summary-mode-map "M"    'wl-summary-redisplay-no-mime)
 437   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 438   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 439   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 440   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 441   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 442   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 443   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 444
 445   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 446   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 447   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 448   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 449   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 450   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 451
 452   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 453   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 454   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 455   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 456
 457   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 458   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 459   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 460
 461   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 462   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 463   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 464
 465   ;; copy & paste.
 466   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 467   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 468
 469   ;; line commands
 470   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 471   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 472   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 473   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 474   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 475   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 476   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 477   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 478   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 479   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 480   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 481   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 482   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 483
 484   ;; thread commands
 485   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 486   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 487   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 488   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 489   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 490   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 491   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 492   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 493   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 494   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 495   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 496   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 497   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 498   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 499   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 500   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 501   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 502   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 503
 504   ;; target-mark commands
 505   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 506   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 507   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 508   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 509   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 510   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 511   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 512   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 513
 514   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 515
 516   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 517   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 518   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 519   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 520   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 521   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 522   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 523   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 524   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 525   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 526   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 527   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 528   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 529   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 530
 531   ;; region commands
 532   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 533   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 534   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 535   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 536   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 537   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 538   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 539   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 540   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 541   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 542   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 543   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 544   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 545   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 546   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 547   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 548   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 549   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 550
 551   ;; score commands
 552   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 553   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 554   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 555   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 556   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 557   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 558   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 559   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 560   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 561   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 562
 563   ;; misc
 564   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 565   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 566   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 567   ;;
 568   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 569   (wl-summary-setup-mouse)
 570   (easy-menu-define
 571    wl-summary-mode-menu
 572    wl-summary-mode-map
 573    "Menu used in Summary mode."
 574    wl-summary-mode-menu-spec))
 575
 576 (defsubst wl-summary-message-visible-p (number)
 577   "Return non-nil if the message with NUMBER is visible."
 578   (or (eq wl-summary-buffer-view 'sequence)
 579       (not (wl-thread-entity-parent-invisible-p
 580             (wl-thread-get-entity number)))))
 581
 582 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 583   "A function to be called as window-scroll-functions."
 584   (with-current-buffer (window-buffer win)
 585     (when (eq major-mode 'wl-summary-mode)
 586       (let ((beg (or beg (window-start win)))
 587             (end (condition-case nil
 588                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 589                    (error (window-end win))))
 590             number flags)
 591         (save-excursion
 592           (goto-char beg)
 593           (while (and (< (point) end) (not (eobp)))
 594             (when (null (get-text-property (point) 'face))
 595               (setq number (wl-summary-message-number)
 596                     flags (elmo-message-flags wl-summary-buffer-elmo-folder
 597                                               number))
 598               (let (wl-summary-highlight)
 599                 (wl-summary-update-persistent-mark number flags))
 600               (wl-highlight-summary-current-line number flags))
 601             (forward-line 1)))))
 602     (set-buffer-modified-p nil)))
 603
 604 (defun wl-summary-window-scroll-functions ()
 605   (cond ((and wl-summary-highlight
 606               wl-summary-lazy-highlight
 607               wl-summary-lazy-update-mark)
 608          (list 'wl-summary-update-mark-and-highlight-window))
 609         ((and wl-summary-highlight
 610               wl-summary-lazy-highlight)
 611          (list 'wl-highlight-summary-window))
 612         (wl-summary-lazy-update-mark
 613          (list 'wl-summary-update-mark-window))))
 614
 615 (defun wl-status-update ()
 616   (interactive)
 617   (wl-address-init))
 618
 619 (defun wl-summary-display-top ()
 620   (interactive)
 621   (goto-char (point-min))
 622   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 623   (if wl-summary-buffer-disp-msg
 624       (wl-summary-redisplay)))
 625
 626 (defun wl-summary-display-bottom ()
 627   (interactive)
 628   (goto-char (point-max))
 629   (forward-line -1)
 630   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 631   (if wl-summary-buffer-disp-msg
 632       (wl-summary-redisplay)))
 633
 634 (defun wl-summary-count-unread ()
 635   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 636     (setq wl-summary-buffer-new-count
 637           (or (cdr (assq 'new flag-count)) 0)
 638           wl-summary-buffer-unread-count
 639           (or (cdr (assq 'unread flag-count)) 0)
 640           wl-summary-buffer-answered-count
 641           (or (cdr (assq 'answered flag-count)) 0))
 642     flag-count))
 643
 644 (defun wl-summary-message-string (&optional use-cache)
 645   "Return full body string of current message.
 646 If optional USE-CACHE is non-nil, use cache if exists."
 647   (let ((number (wl-summary-message-number))
 648         (folder wl-summary-buffer-elmo-folder))
 649     (if (null number)
 650         (message "No message.")
 651       (elmo-set-work-buf
 652        (elmo-message-fetch folder
 653                            number
 654                            (elmo-make-fetch-strategy
 655                             'entire
 656                             use-cache ; use cache
 657                             nil ; save cache (should `t'?)
 658                             (and
 659                              use-cache
 660                              (elmo-file-cache-get-path
 661                               (elmo-message-field folder number 'message-id))))
 662                            nil
 663                            (current-buffer)
 664                            'unread)
 665        (buffer-string)))))
 666
 667 (defun wl-summary-reedit (&optional arg)
 668   "Re-edit current message.
 669 If ARG is non-nil, Supersedes message"
 670   (interactive "P")
 671   (wl-summary-toggle-disp-msg 'off)
 672   (cond
 673    ((not (wl-summary-message-number))
 674     (message "No message."))
 675    (arg
 676     (wl-summary-supersedes-message))
 677    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 678     (wl-draft-reedit (wl-summary-message-number))
 679     (if (wl-message-news-p)
 680         (mail-position-on-field "Newsgroups")
 681       (mail-position-on-field "To")))
 682    (t
 683     (wl-draft-edit-string (wl-summary-message-string)))))
 684
 685 (defun wl-summary-resend-bounced-mail ()
 686   "Re-mail the current message.
 687 This only makes sense if the current message is a bounce message which
 688 contains some mail you have written but has been bounced back to
 689 you."
 690   (interactive)
 691   (wl-summary-toggle-disp-msg 'off)
 692   (save-excursion
 693     (wl-summary-set-message-buffer-or-redisplay)
 694     (set-buffer (wl-message-get-original-buffer))
 695     (goto-char (point-min))
 696     (let ((case-fold-search nil))
 697       (cond
 698        ((and
 699          (re-search-forward
 700           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 701          (not (bolp))
 702          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 703         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 704               start)
 705           (cond
 706            ((and (setq start (re-search-forward
 707                               (concat "^--" boundary "\n"
 708                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 709                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 710                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 711                                       "\\(.+\n\\)*\n") nil t))
 712                  (re-search-forward
 713                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 714             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 715            (t
 716             (message "Seems no message/rfc822 part.")))))
 717        ((let ((case-fold-search t))
 718           (re-search-forward wl-rejected-letter-start nil t))
 719         (skip-chars-forward " \t\n")
 720         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 721        (t
 722         (message "Does not appear to be a rejected letter."))))))
 723
 724 (defun wl-summary-detect-mark-position ()
 725   (let ((column wl-summary-buffer-number-column)
 726         (formatter wl-summary-buffer-line-formatter)
 727         (dummy-temp (char-to-string 200))
 728         ;; bind only for the check.
 729         (wl-summary-new-uncached-mark (char-to-string 201))
 730         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 731         (lang wl-summary-buffer-weekday-name-lang)
 732         wl-summary-highlight
 733         temp persistent)
 734     (with-temp-buffer
 735       (setq wl-summary-buffer-number-column column
 736             wl-summary-buffer-line-formatter formatter
 737             wl-summary-buffer-weekday-name-lang lang)
 738       (insert
 739        (wl-summary-create-line
 740         (elmo-msgdb-make-message-entity
 741          (luna-make-entity 'modb-entity-handler)
 742          :number 10000
 743          :from "foo"
 744          :subject "bar"
 745          :size 100)
 746         nil
 747         dummy-temp
 748         '(new)
 749         nil))
 750       (goto-char (point-min))
 751       (setq temp (save-excursion
 752                    (when (search-forward dummy-temp nil t)
 753                      (current-column)))
 754             persistent
 755             (save-excursion
 756               (when (search-forward wl-summary-new-uncached-mark nil t)
 757                 (current-column)))))
 758     (setq wl-summary-buffer-temp-mark-column temp
 759           wl-summary-buffer-persistent-mark-column persistent)))
 760
 761 (defun wl-summary-buffer-set-folder (folder)
 762   (if (stringp folder)
 763       (setq folder (wl-folder-get-elmo-folder folder)))
 764   (setq wl-summary-buffer-elmo-folder folder)
 765   (make-local-variable 'wl-message-buffer)
 766   (setq wl-summary-buffer-mime-charset (or (wl-get-assoc-list-value
 767                                             wl-folder-mime-charset-alist
 768                                             (elmo-folder-name-internal folder))
 769                                            wl-mime-charset))
 770   (setq wl-summary-buffer-weekday-name-lang
 771         (or (wl-get-assoc-list-value
 772              wl-folder-weekday-name-lang-alist
 773              (elmo-folder-name-internal folder))
 774             wl-summary-weekday-name-lang))
 775   (setq wl-summary-buffer-thread-indent-set
 776         (wl-get-assoc-list-value
 777          wl-folder-thread-indent-set-alist
 778          (elmo-folder-name-internal folder)))
 779   (setq wl-summary-buffer-number-column
 780         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 781                                      (wl-summary-buffer-folder-name))
 782             wl-summary-default-number-column))
 783   (wl-line-formatter-setup
 784    wl-summary-buffer-line-formatter
 785    (setq wl-summary-buffer-line-format
 786          (or (wl-get-assoc-list-value
 787               wl-folder-summary-line-format-alist
 788               (elmo-folder-name-internal folder))
 789              wl-summary-line-format))
 790    wl-summary-line-format-spec-alist)
 791   (wl-line-formatter-setup
 792    wl-summary-buffer-mode-line-formatter
 793    wl-summary-mode-line-format
 794    wl-summary-mode-line-format-spec-alist)
 795   (setq wl-summary-buffer-persistent
 796         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 797   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 798   ;; process duplicates.
 799   (elmo-folder-set-process-duplicates-internal
 800    folder (cdr (elmo-string-matched-assoc
 801                 (elmo-folder-name-internal folder)
 802                 wl-folder-process-duplicates-alist)))
 803   (setq
 804    wl-thread-indent-level-internal
 805    (or (nth 0 wl-summary-buffer-thread-indent-set)
 806        wl-thread-indent-level)
 807    wl-thread-have-younger-brother-str-internal
 808    (or (nth 1 wl-summary-buffer-thread-indent-set)
 809        wl-thread-have-younger-brother-str)
 810    wl-thread-youngest-child-str-internal
 811    (or (nth 2 wl-summary-buffer-thread-indent-set)
 812        wl-thread-youngest-child-str)
 813    wl-thread-vertical-str-internal
 814    (or (nth 3 wl-summary-buffer-thread-indent-set)
 815        wl-thread-vertical-str)
 816    wl-thread-horizontal-str-internal
 817    (or (nth 4 wl-summary-buffer-thread-indent-set)
 818        wl-thread-horizontal-str)
 819    wl-thread-space-str-internal
 820    (or (nth 5 wl-summary-buffer-thread-indent-set)
 821        wl-thread-space-str))
 822   (run-hooks 'wl-summary-buffer-set-folder-hook))
 823
 824 (defun wl-summary-mode ()
 825   "Major mode for reading threaded messages.
 826 See Info under Wanderlust for full documentation.
 827
 828 Special commands:
 829 \\{wl-summary-mode-map}
 830
 831 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 832   (interactive)
 833   (unless (interactive-p) (kill-all-local-variables))
 834   (setq major-mode 'wl-summary-mode)
 835   (setq mode-name "Summary")
 836   (use-local-map wl-summary-mode-map)
 837 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 838   (setq buffer-read-only t)
 839   (setq truncate-lines t)
 840 ;;;(make-local-variable 'tab-width)
 841 ;;;(setq tab-width 1)
 842   (buffer-disable-undo (current-buffer))
 843   (setq selective-display t
 844         selective-display-ellipses nil)
 845   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 846   (easy-menu-add wl-summary-mode-menu)
 847   (setq wl-summary-buffer-window-scroll-functions
 848         (wl-summary-window-scroll-functions))
 849   (when wl-summary-buffer-window-scroll-functions
 850     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 851       (make-local-hook hook)
 852       (dolist (function wl-summary-buffer-window-scroll-functions)
 853         (add-hook hook function nil t))))
 854   ;; This hook may contain the function `wl-setup-summary' for reasons
 855   ;; of system internal to accord facilities for the Emacs variants.
 856   (run-hooks 'wl-summary-mode-hook))
 857
 858 ;;;
 859 (defun wl-summary-overview-entity-compare-by-size (x y)
 860    "Compare entity X and Y by size."
 861    (< (elmo-message-entity-field x 'size)
 862       (elmo-message-entity-field y 'size)))
 863
 864
 865 (defun wl-summary-overview-entity-compare-by-date (x y)
 866   "Compare entity X and Y by date."
 867   (condition-case nil
 868       (string<
 869        (timezone-make-date-sortable
 870         (elmo-message-entity-field x 'date))
 871        (timezone-make-date-sortable
 872         (elmo-message-entity-field y 'date)))
 873     (error))) ;; ignore error.
 874
 875 (defun wl-summary-overview-entity-compare-by-number (x y)
 876    "Compare entity X and Y by number."
 877   (<
 878    (elmo-message-entity-number x)
 879    (elmo-message-entity-number y)))
 880
 881 (defun wl-summary-overview-entity-compare-by-from (x y)
 882   "Compare entity X and Y by from."
 883   (string<
 884    (wl-address-header-extract-address
 885     (or (elmo-message-entity-field x 'from t)
 886         wl-summary-no-from-message))
 887    (wl-address-header-extract-address
 888     (or (elmo-message-entity-field y 'from t)
 889         wl-summary-no-from-message))))
 890
 891 (defun wl-summary-overview-entity-compare-by-subject (x y)
 892   "Compare entity X and Y by subject."
 893   (string< (elmo-message-entity-field x 'subject)
 894            (elmo-message-entity-field y 'subject)))
 895
 896 (defun wl-summary-get-list-info (entity)
 897   "Returns (\"ML-name\" . ML-count) of ENTITY."
 898   (let (sequence ml-name ml-count subject return-path delivered-to mailing-list)
 899     (setq sequence (elmo-message-entity-field entity 'x-sequence)
 900           ml-name (or (elmo-message-entity-field entity 'x-ml-name)
 901                       (and sequence
 902                            (car (split-string sequence " "))))
 903           ml-count (or (elmo-message-entity-field entity 'x-mail-count)
 904                        (elmo-message-entity-field entity 'x-ml-count)
 905                        (and sequence
 906                             (cadr (split-string sequence " ")))))
 907     (and (setq subject (elmo-message-entity-field entity 'subject t))
 908          (setq subject (elmo-delete-char ?\n subject))
 909          (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*" subject)
 910          (progn
 911            (or ml-name (setq ml-name (match-string 1 subject)))
 912            (or ml-count (setq ml-count (match-string 2 subject)))))
 913     (and (setq return-path
 914                (elmo-message-entity-field entity 'return-path))
 915          (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
 916          (progn
 917            (or ml-name (setq ml-name (match-string 1 return-path)))
 918            (or ml-count (setq ml-count (match-string 2 return-path)))))
 919     (and (setq delivered-to
 920                (elmo-message-entity-field entity 'delivered-to))
 921          (string-match "^mailing list \\([^@]+\\)@" delivered-to)
 922          (or ml-name (setq ml-name (match-string 1 delivered-to))))
 923     (and (setq mailing-list
 924                (elmo-message-entity-field entity 'mailing-list))
 925          ;; *-help@, *-owner@, etc.
 926          (string-match "\\(^\\|; \\)contact \\([^@]+\\)-[^-@]+@" mailing-list)
 927          (or ml-name (setq ml-name (match-string 2 mailing-list))))
 928     (cons (and ml-name (car (split-string ml-name " ")))
 929           (and ml-count (string-to-int ml-count)))))
 930
 931 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 932   "Compare entity X and Y by mailing-list info."
 933   (let* ((list-info-x (wl-summary-get-list-info x))
 934          (list-info-y (wl-summary-get-list-info y)))
 935     (if (equal (car list-info-x) (car list-info-y))
 936         (if (equal (cdr list-info-x) (cdr list-info-y))
 937             (wl-summary-overview-entity-compare-by-date x y)
 938           (< (or (cdr list-info-x) 0)
 939              (or (cdr list-info-y) 0)))
 940       (string< (or (car list-info-x) "")
 941                (or (car list-info-y) "")))))
 942
 943 (defun wl-summary-sort-by-date ()
 944   (interactive)
 945   (wl-summary-rescan "date"))
 946 (defun wl-summary-sort-by-number ()
 947   (interactive)
 948   (wl-summary-rescan "number"))
 949 (defun wl-summary-sort-by-subject ()
 950   (interactive)
 951   (wl-summary-rescan "subject"))
 952 (defun wl-summary-sort-by-from ()
 953   (interactive)
 954   (wl-summary-rescan "from"))
 955 (defun wl-summary-sort-by-list-info ()
 956   (interactive)
 957   (wl-summary-rescan "list-info"))
 958 (defun wl-summary-sort-by-size ()
 959   (interactive)
 960   (wl-summary-rescan "size"))
 961
 962 (defun wl-summary-rescan (&optional sort-by disable-killed disable-thread)
 963   "Rescan current folder without updating."
 964   (interactive)
 965   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
 966         gc-message                      ; for XEmacs
 967         (inhibit-read-only t)
 968         (buffer-read-only nil)
 969         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
 970                                             (not disable-killed) t)) ; in-msgdb
 971         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
 972                                                      wl-thread-entity-hashtb))
 973         (wl-summary-search-parent-by-subject-regexp
 974          (and disable-thread wl-summary-search-parent-by-subject-regexp))
 975         (wl-summary-divide-thread-when-subject-changed
 976          (and disable-thread wl-summary-divide-thread-when-subject-changed))
 977         (predicate (and sort-by
 978                         (intern (format "wl-summary-overview-entity-compare-by-%s"
 979                                         sort-by))))
 980         (i 0)
 981         num
 982         expunged)
 983     (erase-buffer)
 984     (message "Re-scanning...")
 985     (when sort-by
 986       (message "Sorting by %s..." sort-by)
 987       (setq numbers
 988             (sort numbers
 989                   (lambda (x y)
 990                     (funcall
 991                      predicate
 992                      (elmo-message-entity wl-summary-buffer-elmo-folder x)
 993                      (elmo-message-entity wl-summary-buffer-elmo-folder y)))))
 994       (message "Sorting by %s...done" sort-by))
 995     (setq num (length numbers))
 996     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
 997           wl-thread-entity-list nil
 998           wl-thread-entities nil
 999           wl-summary-scored nil
1000           wl-summary-buffer-number-list nil
1001           wl-summary-buffer-unsync-mark-number-list nil
1002           wl-summary-buffer-target-mark-list nil
1003           wl-summary-buffer-temp-mark-list nil
1004           wl-summary-delayed-update nil)
1005     (elmo-kill-buffer wl-summary-search-buf-name)
1006     (while numbers
1007       (wl-summary-insert-message (elmo-message-entity
1008                                   wl-summary-buffer-elmo-folder
1009                                   (car numbers))
1010                                  wl-summary-buffer-elmo-folder
1011                                  nil)
1012       (setq numbers (cdr numbers))
1013       (when (> num elmo-display-progress-threshold)
1014         (setq i (+ i 1))
1015         (if (or (zerop (% i 5)) (= i num))
1016             (elmo-display-progress
1017              'wl-summary-rescan "Constructing summary structure..."
1018              (/ (* i 100) num)))))
1019     (when wl-summary-delayed-update
1020       (while wl-summary-delayed-update
1021         (message "Parent (%d) of message %d is no entity"
1022                  (caar wl-summary-delayed-update)
1023                  (elmo-message-entity-number
1024                   (cdar wl-summary-delayed-update)))
1025         (wl-summary-insert-message
1026          (cdar wl-summary-delayed-update)
1027          wl-summary-buffer-elmo-folder nil t)
1028         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1029     (message "Constructing summary structure...done")
1030     (if (eq wl-summary-buffer-view 'thread)
1031         (progn
1032           (message "Inserting thread...")
1033           (wl-thread-insert-top)
1034           (message "Inserting thread...done")))
1035     (when wl-use-scoring
1036       (wl-summary-score-headers (wl-summary-rescore-msgs
1037                                  wl-summary-buffer-number-list)
1038                                 t)
1039       (when (and wl-summary-scored
1040                  (setq expunged (wl-summary-score-update-all-lines)))
1041         (message "%d message(s) are expunged by scoring." (length expunged))))
1042     (wl-summary-set-message-modified)
1043     (wl-summary-count-unread)
1044     (wl-summary-update-modeline)
1045     (goto-char (point-max))
1046     (forward-line -1)
1047     (set-buffer-modified-p nil)))
1048
1049 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1050   (if (and next-entity
1051            wl-auto-select-next)
1052       (let (retval)
1053         (wl-summary-toggle-disp-msg 'off)
1054         (unwind-protect
1055             (setq retval
1056                   (wl-summary-goto-folder-subr next-entity
1057                                                'force-update
1058                                                nil
1059                                                nil ; not sticky
1060                                                t   ; interactive!
1061                                                ))
1062           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1063           (if (and (eq retval 'more-next)
1064                    (memq wl-auto-select-next '(unread skip-no-unread))
1065                    (memq this-command wl-summary-next-no-unread-command))
1066               (if upward
1067                   (wl-summary-up
1068                    t (eq wl-auto-select-next 'skip-no-unread))
1069                 (goto-char (point-max))
1070                 (forward-line -1)
1071                 (wl-summary-down
1072                  t (eq wl-auto-select-next 'skip-no-unread))))))
1073     (wl-summary-exit)))
1074
1075 (defun wl-summary-entity-info-msg (entity finfo)
1076   (or (and entity
1077            (concat
1078             (if (memq 'ask-folder wl-use-folder-petname)
1079                 (wl-folder-get-petname entity)
1080               entity)
1081             (if (null (car finfo))
1082                 " (? new/? unread)"
1083               (format
1084                " (%d new/%d unread)"
1085                (nth 0 finfo)
1086                (+ (nth 0 finfo)
1087                   (nth 1 finfo))))))
1088       "folder mode"))
1089
1090 (defun wl-summary-set-message-modified ()
1091   (setq wl-summary-buffer-message-modified t))
1092 (defun wl-summary-message-modified-p ()
1093   wl-summary-buffer-message-modified)
1094 (defun wl-summary-set-thread-modified ()
1095   (setq wl-summary-buffer-thread-modified t))
1096 (defun wl-summary-thread-modified-p ()
1097   wl-summary-buffer-thread-modified)
1098
1099 (defun wl-summary-exec-with-confirmation (&optional message)
1100   (when wl-summary-buffer-temp-mark-list
1101     (if (y-or-n-p (or message
1102                       (format "Execute marks in %s? "
1103                               (wl-summary-buffer-folder-name))))
1104         (progn
1105           (wl-summary-exec)
1106           (if wl-summary-buffer-temp-mark-list
1107               (error "Some execution was failed")))
1108       ;; temp-mark-list is remained.
1109       (message ""))))
1110
1111 (defun wl-summary-cleanup-temp-marks ()
1112   (when wl-summary-buffer-temp-mark-list
1113     (wl-summary-exec-with-confirmation
1114      (format "Execute marks in %s? (answer \"n\" to discard them) "
1115              (wl-summary-buffer-folder-name)))
1116     (wl-summary-delete-all-temp-marks 'no-msg)
1117     (setq wl-summary-scored nil)))
1118
1119 ;; a subroutine for wl-summary-exit/wl-save-status
1120 ;; Note that folder is not commited here.
1121 (defun wl-summary-save-view ()
1122   ;; already in summary buffer.
1123   (when wl-summary-buffer-persistent
1124     ;; save the current summary buffer view.
1125     (if (and wl-summary-cache-use
1126              (or (wl-summary-message-modified-p)
1127                  (wl-summary-thread-modified-p)))
1128         (wl-summary-save-view-cache))))
1129
1130 (defun wl-summary-save-status ()
1131   "Save summary view and msgdb."
1132   (interactive)
1133   (if (interactive-p) (message "Saving summary status..."))
1134   (wl-summary-save-view)
1135   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1136   (elmo-folder-check wl-summary-buffer-elmo-folder)
1137   (if wl-use-scoring (wl-score-save))
1138   (if (interactive-p) (message "Saving summary status...done")))
1139
1140 (defun wl-summary-force-exit ()
1141   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1142   (interactive)
1143   (wl-summary-exit 'force-exit))
1144
1145 (defun wl-summary-exit (&optional force-exit)
1146   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1147   (interactive "P")
1148   (let ((summary-buf (current-buffer))
1149         (sticky (wl-summary-sticky-p))
1150         summary-win
1151         message-buf message-win
1152         folder-buf folder-win)
1153     (run-hooks 'wl-summary-exit-pre-hook)
1154     (if wl-summary-buffer-exit-function
1155         (funcall wl-summary-buffer-exit-function)
1156       (if (or force-exit (not sticky))
1157           (wl-summary-cleanup-temp-marks))
1158       (unwind-protect
1159           ;; save summary status
1160           (progn
1161             (wl-summary-save-view)
1162             (if (or force-exit (not sticky))
1163                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1164               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1165               (elmo-folder-check wl-summary-buffer-elmo-folder))
1166             (if wl-use-scoring (wl-score-save)))
1167         ;; for sticky summary
1168         (wl-delete-all-overlays)
1169         (setq wl-summary-buffer-disp-msg nil)
1170         (elmo-kill-buffer wl-summary-search-buf-name)
1171         ;; delete message window if displayed.
1172         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1173             (delete-window (get-buffer-window wl-message-buffer)))
1174         (if (and wl-summary-use-frame
1175                  (> (length (visible-frame-list)) 1))
1176             (delete-frame))
1177         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1178             (if wl-summary-use-frame
1179                 (let (select-frame)
1180                   (save-selected-window
1181                     (dolist (frame (visible-frame-list))
1182                       (select-frame frame)
1183                       (if (get-buffer-window folder-buf)
1184                           (setq select-frame frame))))
1185                   (if select-frame
1186                       (select-frame select-frame)
1187                     (switch-to-buffer folder-buf)))
1188               (if (setq folder-win (get-buffer-window folder-buf))
1189                   ;; folder win is already displayed.
1190                   (select-window folder-win)
1191                 ;; folder win is not displayed.
1192                 (switch-to-buffer folder-buf)))
1193           ;; currently no folder buffer
1194           (wl-folder))
1195         (and wl-folder-move-cur-folder
1196              wl-folder-buffer-cur-point
1197              (goto-char wl-folder-buffer-cur-point))
1198         (setq wl-folder-buffer-cur-path nil)
1199         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1200         (setq wl-folder-buffer-cur-entity-id nil)
1201         (wl-delete-all-overlays)
1202         (if wl-summary-exit-next-move
1203             (wl-folder-next-unsync t)
1204           (beginning-of-line))
1205         (if (setq summary-win (get-buffer-window summary-buf))
1206             (delete-window summary-win))
1207         (if (or force-exit
1208                 (not sticky))
1209             (progn
1210               (set-buffer summary-buf)
1211               (kill-buffer summary-buf)))
1212         (run-hooks 'wl-summary-exit-hook)))))
1213
1214 (defun wl-summary-suspend ()
1215   (interactive)
1216   (wl-summary-exit)
1217   (wl-folder-suspend))
1218
1219 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1220   (interactive)
1221   (wl-summary-sync-update unset-cursor nil nil no-check))
1222
1223 (defsubst wl-summary-sync-all-init ()
1224   (wl-summary-cleanup-temp-marks)
1225   (erase-buffer)
1226   (wl-summary-set-message-modified)
1227   (setq wl-thread-entity-hashtb (elmo-make-hash
1228                                  (* (elmo-folder-length
1229                                      wl-summary-buffer-elmo-folder)
1230                                     2)))
1231   (setq wl-thread-entity-list nil)
1232   (setq wl-thread-entities nil)
1233   (setq wl-summary-buffer-number-list nil)
1234   (setq wl-summary-buffer-target-mark-list nil)
1235   (setq wl-summary-buffer-temp-mark-list nil))
1236
1237 (defun wl-summary-sync (&optional unset-cursor force-range)
1238   (interactive)
1239   (let* ((folder wl-summary-buffer-elmo-folder)
1240          (inhibit-read-only t)
1241          (buffer-read-only nil)
1242          (msgdb-dir (elmo-folder-msgdb-path folder))
1243          (range (or force-range (wl-summary-input-range
1244                                  (elmo-folder-name-internal folder)))))
1245     (cond ((string-match "rescan" range)
1246            (let ((msg (wl-summary-message-number))
1247                  (wl-use-scoring (if (string-match "noscore" range)
1248                                      nil
1249                                    wl-use-scoring)))
1250              (wl-summary-rescan nil
1251                                 (string-match "noscore" range)
1252                                 (string-match "thread" range))
1253              (and msg (wl-summary-jump-to-msg msg))))
1254           ((string= range "mark")
1255            (let ((msg (wl-summary-message-number)))
1256              (call-interactively 'wl-summary-sync-marks)
1257              (and msg (wl-summary-jump-to-msg msg))))
1258           ((string= range "cache-status")
1259            (let ((msg (wl-summary-message-number)))
1260              (wl-summary-resume-cache-status)
1261              (and msg (wl-summary-jump-to-msg msg))))
1262           ((string= range "no-sync"))
1263           ((or (string-match "^last:" range)
1264                (string-match "^first:" range))
1265            (wl-summary-goto-folder-subr (concat "/" range "/"
1266                                                 (elmo-folder-name-internal
1267                                                  folder))
1268                                         'force-update nil nil t))
1269           (t
1270            (wl-summary-sync-update unset-cursor
1271                                    (string-match "entirely" range)
1272                                    (string-match "all" range))))))
1273
1274 (defvar wl-summary-edit-addresses-candidate-fields
1275   ;; First element becomes default.
1276   '("from" "to" "cc"))
1277
1278 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1279   (let ((fields wl-summary-edit-addresses-candidate-fields)
1280         body candidates components)
1281     (while fields
1282       (setq body
1283             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1284                        ","))
1285       (setq body (wl-parse-addresses body))
1286       (if body (setq candidates (append candidates body)))
1287       (setq fields (cdr fields)))
1288     (setq candidates (elmo-uniq-list candidates))
1289     (elmo-set-work-buf
1290      (set-buffer-multibyte default-enable-multibyte-characters)
1291      (mapcar (function
1292               (lambda (x)
1293                 (setq components (std11-extract-address-components x))
1294                 (cons (nth 1 components)
1295                       (and (car components)
1296                            (eword-decode-string
1297                             (decode-mime-charset-string
1298                              (car components)
1299                              mime-charset))))))
1300              candidates))))
1301
1302 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1303   ;; returns nil if there's no change.
1304   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1305       (let (char)
1306         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1307                  the-email)
1308         (while (not (or (eq (setq char (read-char)) ?\r)
1309                         (eq char ?\n)
1310                         (eq char ? )
1311                         (eq char ?e)
1312                         (eq char ?c)
1313                         (eq char ?d)))
1314           (message
1315            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1316         (cond
1317          ((or (eq char ?e)
1318               (eq char ?\n)
1319               (eq char ?\r)
1320               (eq char ? ))
1321           ;; Change Addresses
1322           (wl-address-add-or-change
1323            the-email
1324            (wl-address-header-extract-realname
1325             (cdr (assoc
1326                   (let ((completion-ignore-case t) comp)
1327                     (setq comp
1328                           (try-completion the-email wl-address-completion-list))
1329                     (if (equal comp t) the-email comp))
1330                   wl-address-completion-list))))
1331           "edited")
1332          ((eq char ?d)
1333           ;; Delete Addresses
1334           (if (y-or-n-p (format "Delete '%s'? "
1335                                 the-email))
1336               (progn
1337                 (wl-address-delete the-email)
1338                 "deleted")
1339             (message "")
1340             nil))
1341          (t (message "")
1342             nil)))
1343     ;; Add Petname
1344     (wl-address-add-or-change the-email name-in-addr)
1345     "added"))
1346
1347 (defun wl-summary-edit-addresses (&optional addr-str)
1348   "Edit address book interactively.
1349 Optional argument ADDR-STR is used as a target address if specified."
1350   (interactive (if current-prefix-arg
1351                    (list (read-from-minibuffer "Target address: "))))
1352   (if (null (wl-summary-message-number))
1353       (message "No message.")
1354     (save-excursion
1355       (let* ((charset wl-summary-buffer-mime-charset)
1356              (candidates
1357               (with-current-buffer (wl-summary-get-original-buffer)
1358                 (wl-summary-edit-addresses-collect-candidate-fields
1359                  charset)))
1360              address pair result)
1361         (if addr-str
1362             (setq address addr-str)
1363           (when candidates
1364             (setq address (car (car candidates)))
1365             (setq address
1366                   (completing-read
1367                    (format "Target address (%s): " address)
1368                    (mapcar
1369                     (function (lambda (x) (cons (car x) (car x))))
1370                     candidates)
1371                    nil nil nil nil address))))
1372         (when address
1373           (setq pair (assoc address candidates))
1374           (unless pair
1375             (setq pair (cons address nil)))
1376           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1377             ;; update alias
1378             (wl-status-update)
1379             (setq address (assoc (car pair) wl-address-list))
1380             (if address
1381                 (message "%s, %s, <%s> is %s."
1382                          (nth 2 address)
1383                          (nth 1 address)
1384                          (nth 0 address)
1385                          result)))
1386 ;;; i'd like to update summary-buffer, but...
1387 ;;;     (wl-summary-rescan)
1388           (run-hooks 'wl-summary-edit-addresses-hook))))))
1389
1390 (defun wl-summary-incorporate (&optional arg)
1391   "Check and prefetch all uncached messages.
1392 If ARG is non-nil, checking is omitted."
1393   (interactive "P")
1394   (unless arg
1395     (save-excursion
1396       (wl-summary-sync-force-update)))
1397   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1398                                       wl-summary-incorporate-marks))
1399
1400 (defun wl-summary-force-prefetch ()
1401   "All uncached messages are cached."
1402   (interactive)
1403   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1404     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1405                                              'uncached 'in-msgdb))
1406           (count 0)
1407           wl-prefetch-confirm
1408           wl-prefetch-threshold
1409           (elmo-inhibit-display-retrieval-progress t)
1410           length msg)
1411       (save-excursion
1412         (goto-char (point-min))
1413         (setq length (length targets))
1414         (dolist (target targets)
1415           (when (if (not (wl-thread-entity-parent-invisible-p
1416                           (wl-thread-get-entity target)))
1417                     (progn
1418                       (wl-summary-jump-to-msg target)
1419                       (wl-summary-prefetch-msg
1420                        (wl-summary-message-number)))
1421                   (wl-summary-prefetch-msg target))
1422             (message "Retrieving... %d/%d" (incf count) length)))
1423         (message "Retrieved %d/%d message(s)" count length)))))
1424
1425 (defun wl-summary-prefetch-msg (number &optional arg)
1426   "Prefetch message and return non-nil value. If skipped, return nil."
1427   ;; prefetching procedure.
1428   (save-excursion
1429     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1430                                      number 'size))
1431            (file-cached (elmo-file-cache-exists-p
1432                          (elmo-message-field wl-summary-buffer-elmo-folder
1433                                              number 'message-id)))
1434            (force-read (and size
1435                             (or file-cached
1436                                 (and (null wl-prefetch-confirm) arg)
1437                                 (null wl-prefetch-threshold)
1438                                 (< size wl-prefetch-threshold))))
1439            mark new-mark)
1440       (ignore-errors
1441         (when (and (or arg (not file-cached))
1442                    size (not force-read) wl-prefetch-confirm)
1443           (let ((wl-message-entity (elmo-message-entity
1444                                     wl-summary-buffer-elmo-folder
1445                                     number)))
1446             (setq force-read
1447                   (save-restriction
1448                     (widen)
1449                     (y-or-n-p
1450                      (format
1451                       "Message from %s has %d bytes.  Prefetch it? "
1452                       (concat
1453                        "[ "
1454                        (save-match-data
1455                          (wl-set-string-width
1456                           17
1457                           (funcall
1458                            wl-summary-from-function
1459                            (elmo-delete-char
1460                             ?\"
1461                             (or
1462                              (elmo-message-entity-field
1463                               wl-message-entity
1464                               'from t)
1465                              "??")))))
1466                        " ]")
1467                       size))))
1468             (message "")))              ; flush.
1469         (if force-read
1470             (save-excursion
1471               (save-match-data
1472                 ;; online
1473                 (if (or arg (not file-cached))
1474                     (elmo-message-encache
1475                      wl-summary-buffer-elmo-folder
1476                      number))
1477                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1478                                          number t)
1479                 (when (and (wl-summary-jump-to-msg number)
1480                            (wl-summary-update-persistent-mark))
1481                   (sit-for 0)
1482                   (wl-summary-count-unread)
1483                   (wl-summary-update-modeline)
1484                   (wl-folder-update-unread
1485                    (wl-summary-buffer-folder-name)
1486                    wl-summary-buffer-unread-count)))
1487               t)
1488           nil)))))
1489
1490 (defsubst wl-summary-narrow-to-region (beg end)
1491   (narrow-to-region
1492    (save-excursion
1493      (goto-char beg)
1494      (beginning-of-line)
1495      (point))
1496    (save-excursion
1497      (goto-char end)
1498      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1499      (point))))
1500
1501 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1502   (interactive "r")
1503   (let ((count 0)
1504         targets
1505         mark length
1506         entity msg
1507         start-pos pos)
1508     (save-excursion
1509       (setq start-pos (point))
1510       (save-restriction
1511         (wl-summary-narrow-to-region beg end)
1512         ;; collect prefetch targets.
1513         (message "Collecting marks...")
1514         (goto-char (point-min))
1515         (while (not (eobp))
1516           (setq mark (wl-summary-persistent-mark)
1517                 msg (wl-summary-message-number))
1518           (if (or (and (null prefetch-marks)
1519                        msg
1520                        (null (elmo-file-cache-exists-p
1521                               (elmo-message-field
1522                                wl-summary-buffer-elmo-folder
1523                                msg
1524                                'message-id))))
1525                   (member mark prefetch-marks))
1526               (setq targets (nconc targets (list msg))))
1527           (setq entity (wl-thread-get-entity msg))
1528           (if (or (not (eq wl-summary-buffer-view 'thread))
1529                   (wl-thread-entity-get-opened entity))
1530               (); opened. no hidden children.
1531             (setq targets (nconc
1532                            targets
1533                            (wl-thread-get-children-msgs-uncached
1534                             msg prefetch-marks))))
1535           (forward-line 1))
1536         (setq length (length targets))
1537         (message "Prefetching...")
1538         (while targets
1539           (when (if (not (wl-thread-entity-parent-invisible-p
1540                           (wl-thread-get-entity (car targets))))
1541                     (progn
1542                       (wl-summary-jump-to-msg (car targets))
1543                       (wl-summary-prefetch-msg
1544                        (wl-summary-message-number)))
1545                   (wl-summary-prefetch-msg (car targets)))
1546             (message "Prefetching... %d/%d message(s)"
1547                      (setq count (+ 1 count)) length))
1548           (setq targets (cdr targets)))
1549         (message "Prefetched %d/%d message(s)" count length)
1550         (cons count length)))))
1551
1552 (defun wl-summary-delete-marks-on-buffer (marks)
1553   (while marks
1554     (wl-summary-unmark (pop marks))))
1555
1556 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1557   (wl-summary-delete-marks-on-buffer copies))
1558
1559 ;;;
1560 (defun wl-summary-delete-all-target-marks ()
1561   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1562
1563 (defun wl-summary-number-list-from-region (beg end)
1564   (save-excursion
1565     (save-restriction
1566       (wl-summary-narrow-to-region beg end)
1567       (goto-char (point-min))
1568       (let (number-list)
1569         (if (eq wl-summary-buffer-view 'thread)
1570             (while (not (eobp))
1571               (let* ((number (wl-summary-message-number))
1572                      (entity (wl-thread-get-entity number)))
1573                 (setq number-list
1574                       (nconc number-list
1575                              (if (wl-thread-entity-get-opened entity)
1576                                  (list number)
1577                                (wl-thread-get-children-msgs number))))
1578                 (forward-line 1)))
1579           (while (not (eobp))
1580             (setq number-list
1581                   (nconc number-list (list (wl-summary-message-number))))
1582             (forward-line 1)))
1583         number-list))))
1584
1585 (defun wl-summary-mark-as-read-region (beg end)
1586   (interactive "r")
1587   (let ((number-list (wl-summary-number-list-from-region beg end)))
1588     (if (null number-list)
1589         (message "No message.")
1590       (wl-summary-mark-as-read number-list))))
1591
1592 (defun wl-summary-mark-as-unread-region (beg end)
1593   (interactive "r")
1594   (let ((number-list (wl-summary-number-list-from-region beg end)))
1595     (if (null number-list)
1596         (message "No message.")
1597       (wl-summary-mark-as-unread number-list))))
1598
1599 (defun wl-summary-set-flags-region (beg end &optional remove)
1600   (interactive "r\nP")
1601   (let ((number-list (wl-summary-number-list-from-region beg end)))
1602     (if (null number-list)
1603         (message "No message.")
1604       (wl-summary-set-flags-internal number-list nil nil remove)
1605       (wl-summary-count-unread)
1606       (wl-summary-update-modeline))))
1607
1608 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1609   (interactive "r\nP")
1610   (let ((number-list (wl-summary-number-list-from-region beg end))
1611         (remove (or remove
1612                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1613                                             (save-excursion
1614                                               (goto-char beg)
1615                                               (wl-summary-message-number))
1616                                             'answered))))
1617     (if (null number-list)
1618         (message "No message.")
1619       (wl-summary-set-persistent-mark-internal remove 'answered
1620                                                number-list)
1621       (wl-summary-count-unread)
1622       (wl-summary-update-modeline))))
1623
1624 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1625   (interactive "r\nP")
1626   (let ((number-list (wl-summary-number-list-from-region beg end))
1627         (remove (or remove
1628                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1629                                             (save-excursion
1630                                               (goto-char beg)
1631                                               (wl-summary-message-number))
1632                                             'important))))
1633     (if (null number-list)
1634         (message "No message.")
1635       (wl-summary-mark-as-important-internal remove number-list)
1636       (wl-summary-count-unread)
1637       (wl-summary-update-modeline))))
1638
1639 (defun wl-summary-mark-as-read-all ()
1640   (interactive)
1641   (if (or (not (interactive-p))
1642           (y-or-n-p "Mark all messages as read? "))
1643       (let ((folder wl-summary-buffer-elmo-folder)
1644             (cur-buf (current-buffer)))
1645         (message "Setting all msgs as read...")
1646         (elmo-folder-set-flag
1647          folder
1648          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1649          'read)
1650         (save-excursion
1651           (goto-char (point-min))
1652           (while (not (eobp))
1653             (wl-summary-update-persistent-mark)
1654             (forward-line 1)))
1655         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1656         (setq wl-summary-buffer-unread-count 0)
1657         (setq wl-summary-buffer-new-count    0)
1658         (wl-summary-update-modeline)
1659         (message "Setting all msgs as read...done"))))
1660
1661 (defun wl-summary-delete-cache ()
1662   "Delete cache of current message."
1663   (interactive)
1664   (save-excursion
1665     (let* ((folder wl-summary-buffer-elmo-folder)
1666            number)
1667       (setq number (wl-summary-message-number))
1668       (elmo-message-set-cached folder number nil)
1669       (when (wl-summary-update-persistent-mark)
1670         (elmo-file-cache-delete
1671          (elmo-file-cache-get-path
1672           (elmo-message-field wl-summary-buffer-elmo-folder
1673                               number
1674                               'message-id)))))))
1675
1676 (defun wl-summary-resume-cache-status ()
1677   "Resume the cache status of all messages in the current folder."
1678   (interactive)
1679   (let ((folder wl-summary-buffer-elmo-folder)
1680         number msgid)
1681     (message "Resuming cache status...")
1682     (save-excursion
1683       (goto-char (point-min))
1684       (while (not (eobp))
1685         (setq number (wl-summary-message-number))
1686         (setq msgid (elmo-message-field folder number 'message-id))
1687         (elmo-message-set-cached folder number
1688                                  (elmo-file-cache-exists-p msgid))
1689         (wl-summary-update-persistent-mark)
1690         (forward-line 1))
1691       (wl-summary-count-unread)
1692       (wl-summary-update-modeline)
1693       (message "Resuming cache status...done"))))
1694
1695 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1696   (interactive)
1697   (save-excursion
1698     (let ((inhibit-read-only t)
1699           (buffer-read-only nil)
1700           (msgs2 msgs)
1701           (len (length msgs))
1702           (i 0)
1703           ;(deleting-info (or deleting-info "Deleting..."))
1704           update-list)
1705       (elmo-kill-buffer wl-summary-search-buf-name)
1706       (while msgs
1707         (if (eq wl-summary-buffer-view 'thread)
1708             (progn
1709               ;; don't use wl-append(nconc), because list is broken. ...why?
1710               (setq update-list
1711                     (append update-list
1712                             (wl-thread-delete-message (car msgs))))
1713               (setq update-list (delq (car msgs) update-list)))
1714           (goto-char (point-min))
1715           (if (wl-summary-jump-to-msg (car msgs))
1716               (progn
1717                 (delete-region (point-at-bol) (point-at-eol))
1718                 (delete-char 1) ; delete '\n'
1719                 (setq wl-summary-buffer-number-list
1720                       (delq (car msgs) wl-summary-buffer-number-list)))))
1721 ;       (when (> len elmo-display-progress-threshold)
1722 ;         (setq i (1+ i))
1723 ;         (if (or (zerop (% i 5)) (= i len))
1724 ;             (elmo-display-progress
1725 ;              'wl-summary-delete-messages-on-buffer deleting-info
1726 ;              (/ (* i 100) len))))
1727         (setq msgs (cdr msgs)))
1728       (when (eq wl-summary-buffer-view 'thread)
1729         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1730         (wl-thread-cleanup-symbols msgs2))
1731       ;;(message (concat deleting-info "done"))
1732       (wl-summary-count-unread)
1733       (wl-summary-update-modeline)
1734       (wl-summary-folder-info-update))))
1735
1736 (defun wl-summary-update-status-marks (beg end &optional check)
1737   "Synchronize status marks on current buffer to the msgdb."
1738   (interactive "r")
1739   (save-excursion
1740     (goto-char beg)
1741     (while (and (< (point) end) (not (eobp)))
1742       (when (or (not check)
1743                 (let ((number (wl-summary-message-number)))
1744                   (when (memq number wl-summary-buffer-unsync-mark-number-list)
1745                     (setq wl-summary-buffer-unsync-mark-number-list
1746                           (delq number
1747                                 wl-summary-buffer-unsync-mark-number-list))
1748                     t)))
1749         (wl-summary-update-persistent-mark))
1750       (forward-line 1))))
1751
1752 (defun wl-summary-update-mark-window (&optional win beg)
1753   "Update persistent mark in visible summary window.
1754 This function is defined for `window-scroll-functions'"
1755   (with-current-buffer (window-buffer win)
1756     (when (eq major-mode 'wl-summary-mode)
1757       (let ((start (window-start win))
1758             (end (condition-case nil
1759                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1760                    (error (window-end win)))))
1761         (wl-summary-update-status-marks start end 'check)))))
1762
1763 (defun wl-summary-insert-message (&rest args)
1764   (if (eq wl-summary-buffer-view 'thread)
1765       (apply 'wl-summary-insert-thread args)
1766     (apply 'wl-summary-insert-sequential args)))
1767
1768 (defun wl-summary-sort ()
1769   (interactive)
1770   (wl-summary-rescan
1771    (completing-read
1772     (format "Sort by (%s): " (symbol-name wl-summary-default-sort-spec))
1773     (mapcar (lambda (spec)
1774               (list (symbol-name spec)))
1775             wl-summary-sort-specs)
1776     nil t nil nil (symbol-name wl-summary-default-sort-spec))))
1777
1778 (defun wl-summary-sync-marks ()
1779   "Update persistent marks in summary."
1780   (interactive)
1781   (let ((mes "Updated ")
1782         diff diffs)
1783     ;; synchronize marks.
1784     (when (not (eq (elmo-folder-type-internal
1785                     wl-summary-buffer-elmo-folder)
1786                    'internal))
1787
1788       (message "Updating marks...")
1789       (dolist (flag elmo-global-flag-list)
1790         (unless (memq flag elmo-preserved-flags)
1791           (setq diff (elmo-list-diff (elmo-folder-list-flagged
1792                                       wl-summary-buffer-elmo-folder
1793                                       flag)
1794                                      (elmo-folder-list-flagged
1795                                       wl-summary-buffer-elmo-folder
1796                                       flag 'in-msgdb)))
1797           (setq diffs (cadr diff)) ; deletes
1798           (setq mes (concat mes (format "-%d" (length diffs))))
1799           (while diffs
1800             (wl-summary-remove-flags-internal (car diffs)
1801                                              (list flag) 'no-server)
1802             (setq diffs (cdr diffs)))
1803           (setq diffs (car diff)) ; appends
1804           (setq mes (concat mes (format "/+%d %s," (length diffs) flag)))
1805           (while diffs
1806             (wl-summary-add-flags-internal (car diffs)
1807                                           (list flag) 'no-server)
1808             (setq diffs (cdr diffs)))))
1809
1810       (dolist (flag (delete 'new (delete 'cached
1811                                          (copy-sequence elmo-preserved-flags))))
1812         (setq diff (elmo-list-diff (elmo-folder-list-flagged
1813                                     wl-summary-buffer-elmo-folder
1814                                     flag)
1815                                    (elmo-folder-list-flagged
1816                                     wl-summary-buffer-elmo-folder
1817                                     flag 'in-msgdb)))
1818         (setq diffs (cadr diff))
1819         (setq mes (concat mes (format "-%d" (length diffs))))
1820         (while diffs
1821           (wl-summary-unset-persistent-mark flag (car diffs) 'no-modeline)
1822           (setq diffs (cdr diffs)))
1823         (setq diffs (car diff)
1824               mes (concat mes (format "/+%d %s " (length diffs) flag)))
1825         (while diffs
1826           (wl-summary-set-persistent-mark flag (car diffs) 'no-modeline)
1827           (setq diffs (cdr diffs))))
1828       (if (interactive-p) (message "%s" mes)))))
1829
1830 (defun wl-summary-sync-update (&optional unset-cursor
1831                                          disable-killed
1832                                          sync-all
1833                                          no-check)
1834   "Update the summary view to the newest folder status."
1835   (interactive)
1836   (let* ((folder wl-summary-buffer-elmo-folder)
1837          (elmo-mime-charset wl-summary-buffer-mime-charset)
1838          (inhibit-read-only t)
1839          (buffer-read-only nil)
1840          gc-message                     ; for XEmacs
1841          crossed expunged mes)
1842     (unwind-protect
1843         (progn
1844           (unless wl-summary-buffer-elmo-folder
1845             (error "(Internal error) Folder is not set:%s" (buffer-name
1846                                                             (current-buffer))))
1847           ;; Flush pending append operations (disconnected operation).
1848           ;;(setq seen-list
1849           ;;(wl-summary-flush-pending-append-operations seen-list))
1850           (goto-char (point-max))
1851           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1852           (setq crossed (elmo-folder-synchronize folder
1853                                                  disable-killed
1854                                                  sync-all
1855                                                  no-check))
1856           (if crossed
1857               (let ((wl-summary-highlight
1858                      (and wl-summary-highlight
1859                           (not wl-summary-lazy-highlight)))
1860                     append-list delete-list
1861                     update-thread update-top-list
1862                     num diff entity
1863                     (i 0))
1864                 ;; Setup sync-all
1865                 (if sync-all (wl-summary-sync-all-init))
1866                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1867                                             folder
1868                                             (not disable-killed)
1869                                             'in-msgdb)
1870                                            wl-summary-buffer-number-list))
1871                 (setq append-list (car diff))
1872                 (setq delete-list (cadr diff))
1873
1874                 (when delete-list
1875                   (wl-summary-delete-messages-on-buffer delete-list))
1876                 (unless wl-summary-lazy-update-mark
1877                   (wl-summary-update-status-marks (point-min) (point-max)))
1878                 (when (and wl-summary-lazy-highlight
1879                            wl-summary-lazy-update-mark)
1880                   (let (buffer-read-only)
1881                     (put-text-property (point-min) (point-max) 'face nil)))
1882                 (setq num (length append-list))
1883                 (setq wl-summary-delayed-update nil)
1884                 (elmo-kill-buffer wl-summary-search-buf-name)
1885                 (dolist (number append-list)
1886                   (setq entity (elmo-message-entity folder number))
1887                   (when (setq update-thread
1888                               (wl-summary-insert-message
1889                                entity folder
1890                                (not sync-all)))
1891                     (wl-append update-top-list update-thread))
1892                   (if elmo-use-database
1893                       (elmo-database-msgid-put
1894                        (car entity) (elmo-folder-name-internal folder)
1895                        (elmo-message-entity-number entity)))
1896                   (when (> num elmo-display-progress-threshold)
1897                     (setq i (+ i 1))
1898                     (if (or (zerop (% i 5)) (= i num))
1899                         (elmo-display-progress
1900                          'wl-summary-sync-update
1901                          (if (eq wl-summary-buffer-view 'thread)
1902                              "Making thread..."
1903                            "Inserting message...")
1904                          (/ (* i 100) num)))))
1905                 (when wl-summary-delayed-update
1906                   (while wl-summary-delayed-update
1907                     (message "Parent (%d) of message %d is no entity"
1908                              (caar wl-summary-delayed-update)
1909                              (elmo-message-entity-number
1910                               (cdar wl-summary-delayed-update)))
1911                     (when (setq update-thread
1912                                 (wl-summary-insert-message
1913                                  (cdar wl-summary-delayed-update)
1914                                  wl-summary-buffer-elmo-folder
1915                                  (not sync-all) t))
1916                       (wl-append update-top-list update-thread))
1917                     (setq wl-summary-delayed-update
1918                           (cdr wl-summary-delayed-update))))
1919                 (when (and (eq wl-summary-buffer-view 'thread)
1920                            update-top-list)
1921                   (wl-thread-update-indent-string-thread
1922                    (elmo-uniq-list update-top-list)))
1923                 (message (if (eq wl-summary-buffer-view 'thread)
1924                              "Making thread...done"
1925                            "Inserting message...done"))
1926                 (when (or delete-list append-list)
1927                   (wl-summary-set-message-modified))
1928                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
1929                   (elmo-kill-buffer wl-summary-search-buf-name)
1930                   (message "Inserting message...")
1931                   (wl-thread-insert-top)
1932                   (message "Inserting message...done"))
1933                 (if elmo-use-database
1934                     (elmo-database-close))
1935                 (run-hooks 'wl-summary-sync-updated-hook)
1936                 (setq mes
1937                       (if (and (eq (length delete-list) 0)
1938                                (eq num 0))
1939                           (format
1940                            "No updates for \"%s\"" (elmo-folder-name-internal
1941                                                     folder))
1942                         (format "Updated (-%d/+%d) message(s)"
1943                                 (length delete-list) num))))
1944             (setq mes "Quit updating")))
1945       ;; synchronize marks.
1946       (if (and crossed wl-summary-auto-sync-marks)
1947           (wl-summary-sync-marks))
1948       ;; scoring
1949       (when wl-use-scoring
1950         (setq wl-summary-scored nil)
1951         (wl-summary-score-headers (and sync-all
1952                                        (wl-summary-rescore-msgs
1953                                         wl-summary-buffer-number-list))
1954                                   sync-all)
1955         (when (and wl-summary-scored
1956                    (setq expunged (wl-summary-score-update-all-lines)))
1957           (setq mes (concat mes
1958                             (format " (%d expunged)"
1959                                     (length expunged))))))
1960       (if (and crossed (> crossed 0))
1961           (setq mes
1962                 (if mes
1963                     (concat mes
1964                             (format " (%d crosspost)" crossed))
1965                   (format "%d crosspost message(s)" crossed)))
1966         (and mes (setq mes (concat mes "."))))
1967       ;; Update Folder mode
1968       (wl-folder-set-folder-updated
1969        (elmo-folder-name-internal folder)
1970        (list 0
1971              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
1972              (elmo-folder-length folder)))
1973       (wl-summary-update-modeline)
1974       ;;
1975       (unless unset-cursor
1976         (goto-char (point-min))
1977         (if (not (wl-summary-cursor-down t))
1978             (progn
1979               (goto-char (point-max))
1980               (forward-line -1))
1981           (when (and wl-summary-highlight
1982                      (not wl-summary-lazy-highlight)
1983                      (not (get-text-property (point) 'face)))
1984             (save-excursion
1985               (forward-line (- 0
1986                                (or
1987                                 wl-summary-partial-highlight-above-lines
1988                                 wl-summary-highlight-partial-threshold)))
1989               (wl-highlight-summary (point) (point-max))))))
1990       (wl-delete-all-overlays)
1991       (run-hooks 'wl-summary-buffer-window-scroll-functions)
1992       (set-buffer-modified-p nil)
1993       (if mes (message "%s" mes)))))
1994
1995 (defun wl-summary-set-score-mark (mark)
1996   (save-excursion
1997     (beginning-of-line)
1998     (let ((cur-mark (wl-summary-temp-mark)))
1999       (when (member cur-mark (list " "
2000                                    wl-summary-score-below-mark
2001                                    wl-summary-score-over-mark))
2002         (wl-summary-put-temp-mark mark)
2003         (if wl-summary-highlight
2004             (wl-highlight-summary-current-line))
2005         (set-buffer-modified-p nil)))))
2006
2007 (defun wl-summary-get-score-mark (msg-num)
2008   (let ((score (cdr (assq msg-num wl-summary-scored))))
2009     (if score
2010         (cond ((< score wl-summary-default-score)
2011                "-")
2012               ((> score wl-summary-default-score)
2013                "+")))))
2014
2015 (defun wl-summary-update-modeline ()
2016   (setq wl-summary-buffer-mode-line
2017         (funcall wl-summary-buffer-mode-line-formatter)))
2018
2019 (defun wl-summary-jump-to-msg (&optional number)
2020   (interactive "NJump to Number:")
2021   (let ((num (or number
2022                  (string-to-int
2023                   (read-from-minibuffer "Jump to Message(No.): ")))))
2024     (setq num (int-to-string num))
2025     (beginning-of-line)
2026     (if (or (and (re-search-forward (concat "\r" num "[^0-9]") nil t)
2027                  (progn (backward-char 1) t))
2028             (re-search-backward (concat "\r" num "[^0-9]") nil t))
2029         (progn (beginning-of-line) t)
2030       nil)))
2031
2032 (defun wl-summary-highlight-msgs (msgs)
2033   (save-excursion
2034     (let ((len (length msgs))
2035           i)
2036       (message "Hilighting...")
2037       (setq i 0)
2038       (while msgs
2039         (if (wl-summary-jump-to-msg (car msgs))
2040             (wl-highlight-summary-current-line))
2041         (setq msgs (cdr msgs))
2042         (when (> len elmo-display-progress-threshold)
2043           (setq i (+ i 1))
2044           (if (or (zerop (% i 5)) (= i len))
2045               (elmo-display-progress
2046                'wl-summary-highlight-msgs "Highlighting..."
2047                (/ (* i 100) len)))))
2048       (message "Highlighting...done"))))
2049
2050 (defun wl-summary-message-number ()
2051   (save-excursion
2052     (beginning-of-line)
2053     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2054             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2055         (string-to-int (wl-match-buffer 1))
2056       nil)))
2057
2058 (defun wl-summary-delete-all-msgs ()
2059   (interactive)
2060   (let ((cur-buf (current-buffer))
2061         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2062     (set-buffer cur-buf)
2063     (if (null dels)
2064         (message "No message to delete.")
2065       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2066                             (wl-summary-buffer-folder-name)
2067                             (length dels)))
2068           (progn
2069             (message "Deleting...")
2070             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2071                                        'null)
2072             (wl-summary-set-message-modified)
2073             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2074                                           (list 0 0 0))
2075 ;;; for thread.
2076 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2077             (setq wl-summary-buffer-unread-count 0)
2078             (setq wl-summary-buffer-new-count    0)
2079             (wl-summary-update-modeline)
2080             (set-buffer cur-buf)
2081             (let ((inhibit-read-only t)
2082                   (buffer-read-only nil))
2083               (erase-buffer))
2084 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2085             (message "Deleting...done")
2086             t)
2087         nil))))
2088
2089 (defun wl-summary-toggle-thread (&optional arg)
2090   "Toggle thread status (T)hread and (S)equential.
2091 If ARG, without confirm."
2092   (interactive "P")
2093   (when (or arg
2094             (y-or-n-p (format "Toggle threading? (y=%s): "
2095                               (if (eq wl-summary-buffer-view 'thread)
2096                                   "\"off\"" "\"on\""))))
2097     (if (eq wl-summary-buffer-view 'thread)
2098         (setq wl-summary-buffer-view 'sequence)
2099       (setq wl-summary-buffer-view 'thread))
2100     (wl-summary-update-modeline)
2101     (force-mode-line-update)
2102     (wl-summary-rescan nil nil t)))
2103
2104 (defun wl-summary-load-file-object (filename)
2105   "Load lisp object from dir."
2106   (save-excursion
2107     (let ((tmp-buffer (get-buffer-create " *wl-summary-load-file-object*"))
2108           insert-file-contents-pre-hook   ; To avoid autoconv-xmas...
2109           insert-file-contents-post-hook
2110           ret-val)
2111       (if (not (file-readable-p filename))
2112           ()
2113         (set-buffer tmp-buffer)
2114         (as-binary-input-file (insert-file-contents filename))
2115         (setq ret-val
2116               (condition-case nil
2117                   (read (current-buffer))
2118                 (error (error "Reading failed")))))
2119       (kill-buffer tmp-buffer)
2120       ret-val)))
2121
2122 (defun wl-summary-goto-folder (&optional arg)
2123   (interactive "P")
2124   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2125
2126 (defun wl-summary-goto-folder-sticky ()
2127   (interactive)
2128   (wl-summary-goto-folder-subr nil nil nil t t))
2129
2130 (defun wl-summary-goto-last-visited-folder ()
2131   (interactive)
2132   (let ((entity
2133          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2134                                           wl-folder-entity
2135                                           'folder)))
2136     (if entity (wl-folder-set-current-entity-id
2137                 (wl-folder-get-entity-id entity))))
2138   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2139
2140 (defun wl-summary-sticky-p (&optional folder)
2141   (if folder
2142       (get-buffer (wl-summary-sticky-buffer-name
2143                    (elmo-folder-name-internal folder)))
2144     (not (string= wl-summary-buffer-name (buffer-name)))))
2145
2146 (defun wl-summary-always-sticky-folder-p (folder)
2147   (or (eq t wl-summary-always-sticky-folder-list)
2148       (wl-string-match-member
2149        (elmo-folder-name-internal folder)
2150        wl-summary-always-sticky-folder-list)))
2151
2152 (defun wl-summary-stick (&optional force)
2153   "Make current summary buffer sticky."
2154   (interactive "P")
2155   (if (wl-summary-sticky-p)
2156       (message "Current summary buffer is already sticky.")
2157     (when (or force (y-or-n-p "Stick current summary buffer? "))
2158       (wl-summary-toggle-disp-msg 'off)
2159       (wl-summary-switch-to-clone-buffer
2160        (wl-summary-sticky-buffer-name
2161         (wl-summary-buffer-folder-name)))
2162 ;;; ???hang up
2163 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2164 ;;;                   (wl-summary-buffer-folder-name))))
2165       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2166
2167 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2168   (let ((cur-buf (current-buffer))
2169         (msg (wl-summary-message-number))
2170         (buf (get-buffer-create buffer-name))
2171         (folder wl-summary-buffer-elmo-folder)
2172         (copy-variables
2173          (append '(wl-summary-buffer-view
2174                    wl-summary-buffer-temp-mark-list
2175                    wl-summary-buffer-target-mark-list
2176                    wl-summary-buffer-elmo-folder
2177                    wl-summary-buffer-number-column
2178                    wl-summary-buffer-temp-mark-column
2179                    wl-summary-buffer-persistent-mark-column
2180                    wl-summary-buffer-message-modified
2181                    wl-summary-buffer-thread-modified
2182                    wl-summary-buffer-number-list
2183                    wl-summary-buffer-unsync-mark-number-list
2184                    wl-summary-buffer-folder-name
2185                    wl-summary-buffer-line-formatter)
2186                  (and (eq wl-summary-buffer-view 'thread)
2187                       '(wl-thread-entity-hashtb
2188                         wl-thread-entities
2189                         wl-thread-entity-list))
2190                  (and wl-use-scoring
2191                       '(wl-summary-scored
2192                         wl-summary-default-score
2193                         wl-summary-important-above
2194                         wl-summary-target-above
2195                         wl-summary-mark-below
2196                         wl-summary-expunge-below))
2197                  (and (featurep 'wl-score)
2198                       '(wl-current-score-file
2199                         wl-score-alist)))))
2200     (set-buffer buf)
2201     (wl-summary-mode)
2202     (wl-summary-buffer-set-folder folder)
2203     (let ((buffer-read-only nil))
2204       (insert-buffer cur-buf))
2205     (set-buffer-modified-p nil)
2206     (while copy-variables
2207       (set (car copy-variables)
2208            (save-excursion
2209              (set-buffer cur-buf)
2210              (symbol-value (car copy-variables))))
2211       (setq copy-variables (cdr copy-variables)))
2212     (switch-to-buffer buf)
2213     (kill-buffer cur-buf)
2214     (wl-summary-count-unread)
2215     (wl-summary-update-modeline)
2216     (if msg
2217         (if (eq wl-summary-buffer-view 'thread)
2218             (wl-thread-jump-to-msg msg)
2219           (wl-summary-jump-to-msg msg))
2220       (goto-char (point-max))
2221       (beginning-of-line))))
2222
2223 (defun wl-summary-get-buffer (folder)
2224   (or (and folder
2225            (get-buffer (wl-summary-sticky-buffer-name folder)))
2226       (get-buffer wl-summary-buffer-name)))
2227
2228 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2229   (if force-sticky
2230       (get-buffer-create
2231        (wl-summary-sticky-buffer-name name))
2232     (or (get-buffer (wl-summary-sticky-buffer-name name))
2233         (get-buffer-create wl-summary-buffer-name))))
2234
2235 (defun wl-summary-make-number-list ()
2236   (save-excursion
2237     (goto-char (point-min))
2238     (setq wl-summary-buffer-number-list nil)
2239     (while (not (eobp))
2240       (setq wl-summary-buffer-number-list
2241             (cons (wl-summary-message-number)
2242                   wl-summary-buffer-number-list))
2243       (forward-line 1))
2244     (setq wl-summary-buffer-number-list
2245           (nreverse wl-summary-buffer-number-list))))
2246
2247 (defun wl-summary-auto-select-msg-p (unread-msg)
2248   (and unread-msg
2249        (not (elmo-message-has-global-flag-p
2250              wl-summary-buffer-elmo-folder unread-msg))))
2251
2252 (defsubst wl-summary-open-folder (folder)
2253   ;; Select folder
2254   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2255     (unwind-protect
2256         (elmo-folder-open folder 'load-msgdb)
2257       ;; For compatibility
2258       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2259                                            folder)))))
2260
2261 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2262                                               sticky interactive scoring
2263                                               force-exit)
2264   "Display target folder on summary."
2265   (interactive)
2266   (let* ((keep-cursor (memq this-command
2267                             wl-summary-keep-cursor-command))
2268          (name (or name (wl-summary-read-folder wl-default-folder)))
2269          (cur-fld wl-summary-buffer-elmo-folder)
2270          folder buf mes hilit reuse-buf
2271          retval entity)
2272     (if (string= name "")
2273         (setq name wl-default-folder))
2274     (setq folder (wl-folder-get-elmo-folder name))
2275     (when (and (not (string=
2276                      (and cur-fld (elmo-folder-name-internal cur-fld))
2277                      (elmo-folder-name-internal folder))) ; folder is moved.
2278                (eq major-mode 'wl-summary-mode)) ; called in summary.
2279       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2280       (run-hooks 'wl-summary-exit-pre-hook)
2281       (if (or force-exit (not (wl-summary-sticky-p)))
2282           (wl-summary-cleanup-temp-marks))
2283       (wl-summary-save-view)
2284       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2285       (if (and (wl-summary-sticky-p) force-exit)
2286           (kill-buffer (current-buffer))))
2287     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2288                                             sticky))
2289     (setq reuse-buf
2290           (save-excursion
2291             (set-buffer buf)
2292             (string= (elmo-folder-name-internal folder)
2293                      (wl-summary-buffer-folder-name))))
2294     (unwind-protect
2295         (if reuse-buf
2296             (if interactive
2297                 (switch-to-buffer buf)
2298               (set-buffer buf))
2299           (if other-window
2300               (delete-other-windows))
2301           (set-buffer buf)
2302           (unless (eq major-mode 'wl-summary-mode)
2303             (wl-summary-mode))
2304           (wl-summary-buffer-set-folder folder)
2305           (setq wl-summary-buffer-disp-msg nil)
2306           (setq wl-summary-buffer-last-displayed-msg nil)
2307           (setq wl-summary-buffer-current-msg nil)
2308           (let ((inhibit-read-only t)
2309                 (buffer-read-only nil))
2310             (erase-buffer)
2311             ;; Resume summary view
2312             (if wl-summary-cache-use
2313                 (let* ((dir (elmo-folder-msgdb-path folder))
2314                        (cache (expand-file-name wl-summary-cache-file dir))
2315                        (view (expand-file-name wl-summary-view-file dir)))
2316                   (when (file-exists-p cache)
2317                     (insert-file-contents-as-binary cache)
2318                     (set-buffer-multibyte
2319                      default-enable-multibyte-characters)
2320                     (decode-mime-charset-region
2321                      (point-min)(point-max)
2322                      wl-summary-buffer-mime-charset 'LF))
2323                   (if (file-exists-p view)
2324                       (setq wl-summary-buffer-view
2325                             (wl-summary-load-file-object view))
2326                     (setq wl-summary-buffer-view
2327                           (or (wl-get-assoc-list-value
2328                                wl-summary-default-view-alist
2329                                (elmo-folder-name-internal folder))
2330                               wl-summary-default-view)))
2331                   (wl-thread-resume-entity folder)
2332                   (wl-summary-open-folder folder)
2333                   (wl-summary-detect-mark-position))
2334               (setq wl-summary-buffer-view
2335                     (wl-summary-load-file-object
2336                      (expand-file-name wl-summary-view-file
2337                                        (elmo-folder-msgdb-path folder))))
2338               (wl-summary-open-folder folder)
2339               (wl-summary-detect-mark-position)
2340               (wl-summary-rescan))
2341             (wl-summary-count-unread)
2342             (wl-summary-update-modeline)))
2343       (unless (eq wl-summary-buffer-view 'thread)
2344         (wl-summary-make-number-list))
2345       (setq wl-summary-buffer-unsync-mark-number-list
2346             (copy-sequence wl-summary-buffer-number-list))
2347       (when (and wl-summary-cache-use
2348                  (or (and wl-summary-check-line-format
2349                           (wl-summary-line-format-changed-p))
2350                      (wl-summary-view-old-p)))
2351         (wl-summary-rescan))
2352       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2353       (unless (and reuse-buf keep-cursor)
2354         (unwind-protect
2355             (let ((wl-use-scoring
2356                    (if (or scoring interactive) wl-use-scoring)))
2357               (if (and (not scan-type)
2358                        interactive
2359                        (not wl-ask-range))
2360                   (setq scan-type (wl-summary-get-sync-range folder)))
2361               (cond
2362                ((eq scan-type nil)
2363                 (wl-summary-sync 'unset-cursor))
2364                ((eq scan-type 'all)
2365                 (wl-summary-sync 'unset-cursor "all"))
2366                ((eq scan-type 'no-sync))
2367                ((eq scan-type 'rescan)
2368                 (wl-summary-rescan))
2369                ((or (eq scan-type 'force-update)
2370                     (eq scan-type 'update))
2371                 (setq mes (wl-summary-sync-force-update
2372                            'unset-cursor)))))
2373           (if interactive
2374               (switch-to-buffer buf)
2375             (set-buffer buf))
2376           ;; stick always-sticky-folder
2377           (when (wl-summary-always-sticky-folder-p folder)
2378             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2379           (run-hooks 'wl-summary-prepared-pre-hook)
2380           (set-buffer-modified-p nil)
2381           (goto-char (point-min))
2382           (if (wl-summary-cursor-down t)
2383               (let ((unreadp (wl-summary-next-message
2384                               (wl-summary-message-number)
2385                               'down t)))
2386                 (cond ((and wl-auto-select-first
2387                             (wl-summary-auto-select-msg-p unreadp))
2388                        ;; wl-auto-select-first is non-nil and
2389                        ;; unreadp is non-nil but not flagged
2390                        (setq retval 'disp-msg))
2391                       ((and wl-auto-prefetch-first
2392                             (wl-summary-auto-select-msg-p unreadp))
2393                        ;; wl-auto-select-first is non-nil and
2394                        ;; unreadp is non-nil but not flagged
2395                        (setq retval 'prefetch-msg))
2396                       ((not (wl-summary-auto-select-msg-p unreadp))
2397                        ;; unreadp is nil or flagged
2398                        (setq retval 'more-next))))
2399             (goto-char (point-max))
2400             (if (elmo-folder-plugged-p folder)
2401                 (forward-line -1)
2402               (wl-summary-prev))
2403             (setq retval 'more-next))
2404           (if (and wl-summary-highlight
2405                    (not wl-summary-lazy-highlight)
2406                    (not reuse-buf))
2407               (if (and wl-summary-highlight-partial-threshold
2408                        (> (count-lines (point-min) (point-max))
2409                           wl-summary-highlight-partial-threshold))
2410                   (save-excursion
2411                     (forward-line (-
2412                                    0
2413                                    (or
2414                                     wl-summary-partial-highlight-above-lines
2415                                     wl-summary-highlight-partial-threshold)))
2416                     (wl-highlight-summary (point) (point-max)))
2417                 (wl-highlight-summary (point-min) (point-max))))
2418           (if (eq retval 'disp-msg)
2419               (wl-summary-redisplay))
2420           (if (eq retval 'prefetch-msg)
2421               (wl-message-buffer-prefetch
2422                folder
2423                (wl-summary-message-number)
2424                wl-message-buffer-prefetch-depth
2425                (current-buffer)
2426                wl-summary-buffer-mime-charset))
2427           (if mes (message "%s" mes))
2428           (if (and interactive wl-summary-recenter)
2429               (recenter (/ (- (window-height) 2) 2))))))
2430     ;; set current entity-id
2431     (when (and folder
2432                (setq entity
2433                      (wl-folder-search-entity-by-name
2434                       (elmo-folder-name-internal folder)
2435                       wl-folder-entity
2436                       'folder)))
2437       ;; entity-id is unknown.
2438       (wl-folder-set-current-entity-id
2439        (wl-folder-get-entity-id entity)))
2440     (when (and wl-summary-buffer-window-scroll-functions
2441                wl-on-xemacs)
2442       (sit-for 0))
2443     (unwind-protect
2444         (run-hooks 'wl-summary-prepared-hook)
2445       (set-buffer-modified-p nil))
2446     retval))
2447
2448 (defun wl-summary-goto-previous-message-beginning ()
2449   (end-of-line)
2450   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2451   (beginning-of-line))
2452
2453 (defun wl-summary-goto-top-of-current-thread ()
2454   (wl-summary-jump-to-msg
2455    (wl-thread-entity-get-number
2456     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2457                                       (wl-summary-message-number))))))
2458
2459 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2460   (interactive)
2461   (let ((depth (or depth
2462                    (wl-thread-get-depth-of-current-line))))
2463     (forward-line 1)
2464     (while (and (not (eobp))
2465                 (>= (wl-thread-get-depth-of-current-line)
2466                     depth))
2467       (forward-line 1))
2468     (beginning-of-line)))
2469
2470 (defun wl-summary-insert-line (line)
2471   "Insert LINE in the Summary."
2472   (if wl-use-highlight-mouse-line
2473       ;; remove 'mouse-face of current line.
2474       (put-text-property
2475        (save-excursion (beginning-of-line)(point))
2476        (save-excursion (end-of-line)(point))
2477        'mouse-face nil))
2478   (insert line "\n")
2479   (if wl-use-highlight-mouse-line
2480       ;; remove 'mouse-face of current line.
2481       (put-text-property
2482        (save-excursion (beginning-of-line)(point))
2483        (save-excursion (end-of-line)(point))
2484        'mouse-face nil))
2485   (ignore-errors
2486     (run-hooks 'wl-summary-line-inserted-hook)))
2487
2488 (defun wl-summary-insert-sequential (entity folder &rest args)
2489   (when entity
2490     (let ((inhibit-read-only t)
2491           (number (elmo-message-entity-number entity))
2492           buffer-read-only)
2493       (goto-char (point-max))
2494       (wl-summary-insert-line
2495        (wl-summary-create-line entity nil nil
2496                                (elmo-message-flags
2497                                 wl-summary-buffer-elmo-folder
2498                                 number)
2499                                (elmo-message-cached-p
2500                                 wl-summary-buffer-elmo-folder
2501                                 number)))
2502       (setq wl-summary-buffer-number-list
2503             (wl-append wl-summary-buffer-number-list
2504                        (list (elmo-message-entity-number entity))))
2505       nil)))
2506
2507 (defun wl-summary-default-subject-filter (subject)
2508   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2509   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2510   (elmo-replace-in-string subject "^\\[.*\\]" ""))
2511
2512 (defun wl-summary-subject-equal (subject1 subject2)
2513   (string= (funcall wl-summary-subject-filter-function subject1)
2514            (funcall wl-summary-subject-filter-function subject2)))
2515
2516 (defmacro wl-summary-put-alike (alike)
2517   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2518                         (, alike)
2519                         wl-summary-alike-hashtb)))
2520
2521 (defmacro wl-summary-get-alike ()
2522   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2523                         wl-summary-alike-hashtb)))
2524
2525 (defun wl-summary-insert-headers (folder func mime-decode)
2526   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2527         ov this last alike)
2528     (buffer-disable-undo (current-buffer))
2529     (make-local-variable 'wl-summary-alike-hashtb)
2530     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2531     (when mime-decode
2532       (set-buffer-multibyte default-enable-multibyte-characters))
2533     (while (setq ov (elmo-message-entity folder (pop numbers)))
2534       (setq this (funcall func ov))
2535       (and this (setq this (std11-unfold-string this)))
2536       (if (equal last this)
2537           (setq alike (cons ov alike))
2538         (when last
2539           (wl-summary-put-alike alike)
2540           (insert last ?\n))
2541         (setq alike (list ov)
2542               last this)))
2543     (when last
2544       (wl-summary-put-alike alike)
2545       (insert last ?\n))
2546     (when mime-decode
2547       (decode-mime-charset-region (point-min) (point-max)
2548                                   elmo-mime-charset)
2549       (when (eq mime-decode 'mime)
2550         (eword-decode-region (point-min) (point-max))))
2551     (run-hooks 'wl-summary-insert-headers-hook)))
2552
2553 (defun wl-summary-search-by-subject (entity folder)
2554   (let ((summary-buf (current-buffer))
2555         (buf (get-buffer-create wl-summary-search-buf-name))
2556         (folder-name (wl-summary-buffer-folder-name))
2557         match founds result)
2558     (with-current-buffer buf
2559       (let ((case-fold-search t))
2560         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2561                   (zerop (buffer-size)))
2562           (setq wl-summary-search-buf-folder-name folder-name)
2563           (message "Creating subject cache...")
2564           (wl-summary-insert-headers
2565            folder
2566            (function
2567             (lambda (x)
2568               (funcall wl-summary-subject-filter-function
2569                        (elmo-message-entity-field x 'subject))))
2570            t)
2571           (message "Creating subject cache...done"))
2572         (setq match (funcall wl-summary-subject-filter-function
2573                              (elmo-message-entity-field entity 'subject
2574                                                         'decode)))
2575         (if (string= match "")
2576             (setq match "\n"))
2577         (goto-char (point-max))
2578         (while (and (null result)
2579                     (not (= (point) (point-min)))
2580                     (search-backward match nil t))
2581           ;; check exactly match
2582           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2583             (setq founds (wl-summary-get-alike))
2584             (with-current-buffer summary-buf
2585               (while founds
2586                 (when (and
2587                        ;; the first element of found-entity list exists on
2588                        ;; thread tree.
2589                        (wl-thread-get-entity
2590                         (elmo-message-entity-number (car founds)))
2591                        ;; message id is not same as myself.
2592                        (not (string=
2593                              (elmo-message-entity-field entity 'message-id)
2594                              (elmo-message-entity-field (car founds)
2595                                                         'message-id)))
2596                        ;; not a descendant.
2597                        (not (wl-thread-descendant-p
2598                              (elmo-message-entity-number entity)
2599                              (elmo-message-entity-number (car founds)))))
2600                   (setq result (car founds)
2601                         founds nil))
2602                 (setq founds (cdr founds))))))
2603         result))))
2604
2605 (defun wl-summary-insert-thread (entity folder update
2606                                         &optional force-insert)
2607   (let ((depth 0)
2608         this-id parent-entity parent-number
2609         number cur-entity linked retval delayed-entity
2610         update-list entity-stack thread-entity)
2611     (while entity
2612       (setq this-id (elmo-message-entity-field entity 'message-id)
2613             number (elmo-message-entity-number entity))
2614       (if (and wl-thread-saved-entity-hashtb-internal
2615                (setq thread-entity
2616                      (elmo-get-hash-val
2617                       (format "#%d" (elmo-message-entity-number entity))
2618                       wl-thread-saved-entity-hashtb-internal)))
2619           (setq parent-entity
2620                 (elmo-message-entity
2621                  folder
2622                  (wl-thread-entity-get-parent thread-entity))
2623                 linked (wl-thread-entity-get-linked thread-entity))
2624         (setq parent-entity (elmo-message-entity-parent folder entity)
2625               linked nil))
2626       (setq parent-number (and parent-entity
2627                                (elmo-message-entity-number parent-entity)))
2628       ;; If thread loop detected, set parent as nil.
2629       (let ((cur entity)
2630             anumber relatives)
2631         (while cur
2632           (when (setq anumber
2633                       (elmo-message-entity-number
2634                        (setq cur (elmo-message-entity-parent folder cur))))
2635             (if (memq anumber relatives)
2636                 (setq parent-number nil
2637                       cur nil))
2638             (setq relatives (cons anumber relatives)))))
2639       (if (and parent-number
2640                (not (wl-thread-get-entity parent-number))
2641                (not force-insert))
2642           ;; parent exists in overview, but not in wl-thread-entities
2643           (progn
2644             (wl-append wl-summary-delayed-update
2645                        (list (cons parent-number entity)))
2646             (setq entity nil)) ;; exit loop
2647         ;; Search parent by subject.
2648         (when (and (null parent-number)
2649                    wl-summary-search-parent-by-subject-regexp
2650                    (string-match
2651                     wl-summary-search-parent-by-subject-regexp
2652                     (elmo-message-entity-field entity 'subject)))
2653           (let ((found (wl-summary-search-by-subject entity folder)))
2654             (when (and found
2655                        (not (member found wl-summary-delayed-update)))
2656               (setq parent-entity found)
2657               (setq parent-number
2658                     (elmo-message-entity-number parent-entity))
2659               (setq linked t))))
2660         ;; If subject is change, divide thread.
2661         (if (and parent-number
2662                  wl-summary-divide-thread-when-subject-changed
2663                  (not (wl-summary-subject-equal
2664                        (or (elmo-message-entity-field entity
2665                                                       'subject t) "")
2666                        (or (elmo-message-entity-field parent-entity
2667                                                       'subject t) ""))))
2668             (setq parent-number nil))
2669         (setq retval
2670               (wl-thread-insert-message entity
2671                                         number parent-number update linked))
2672         (and retval
2673              (wl-append update-list (list retval)))
2674         (setq entity nil) ; exit loop
2675         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2676           (setq wl-summary-delayed-update
2677                 (delq delayed-entity wl-summary-delayed-update))
2678           ;; update delayed message
2679           (wl-append entity-stack (list (cdr delayed-entity)))))
2680       (if (and (not entity)
2681                entity-stack)
2682           (setq entity (pop entity-stack))))
2683     update-list))
2684
2685 (defun wl-summary-update-thread (entity
2686                                  thr-entity
2687                                  parent-entity)
2688   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2689          (overview-entity entity)
2690          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2691          (number (elmo-message-entity-number entity))
2692          (parent-number (elmo-message-entity-number parent-entity))
2693          insert-line)
2694     (cond
2695      ((or (not parent-id)
2696           (string= this-id parent-id))
2697       (goto-char (point-max))
2698       (beginning-of-line)
2699       (setq insert-line t))
2700      ;; parent already exists in buffer.
2701      ((wl-summary-jump-to-msg parent-number)
2702       (wl-thread-goto-bottom-of-sub-thread)
2703       (setq insert-line t)))
2704     (when insert-line
2705       (let (buffer-read-only)
2706         (wl-summary-insert-line
2707          (wl-summary-create-line
2708           entity
2709           parent-entity
2710           nil
2711           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2712           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2713           (wl-thread-maybe-get-children-num number)
2714           (wl-thread-make-indent-string thr-entity)
2715           (wl-thread-entity-get-linked thr-entity)))))))
2716
2717 (defun wl-summary-target-mark-msgs (msgs)
2718   "Return the number of marked messages."
2719   (let ((i 0))
2720     (dolist (number msgs)
2721       (when (wl-summary-target-mark number)
2722         (setq i (1+ i))))
2723     i))
2724
2725 (defun wl-summary-pick (&optional from-list delete-marks)
2726   (interactive)
2727   (save-excursion
2728     (let* ((condition (car (elmo-parse-search-condition
2729                             (elmo-read-search-condition
2730                              wl-summary-pick-field-default))))
2731            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2732                                        condition
2733                                        from-list))
2734            num)
2735       (if delete-marks
2736           (let ((mlist wl-summary-buffer-target-mark-list))
2737             (while mlist
2738               (when (wl-summary-jump-to-msg (car mlist))
2739                 (wl-summary-unmark))
2740               (setq mlist (cdr mlist)))
2741             (setq wl-summary-buffer-target-mark-list nil)))
2742       (if (and result
2743                (setq num (wl-summary-target-mark-msgs result))
2744                (> num 0))
2745           (if (= num (length result))
2746               (message "%d message(s) are picked." num)
2747             (message "%d(%d) message(s) are picked." num
2748                      (- (length result) num)))
2749         (message "No message was picked.")))))
2750
2751 (defun wl-summary-unvirtual ()
2752   "Exit from current virtual folder."
2753   (interactive)
2754   (if (eq 'filter
2755           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2756       (wl-summary-goto-folder-subr
2757        (elmo-folder-name-internal
2758         (elmo-filter-folder-target-internal
2759          wl-summary-buffer-elmo-folder))
2760        'update nil nil t)
2761     (error "This folder is not filtered")))
2762
2763 (defun wl-summary-virtual (&optional arg)
2764   "Goto virtual folder.
2765 If ARG, exit virtual folder."
2766   (interactive "P")
2767   (if arg
2768       (wl-summary-unvirtual)
2769     (wl-summary-goto-folder-subr (concat "/"
2770                                          (elmo-read-search-condition
2771                                           wl-summary-pick-field-default)
2772                                          "/"
2773                                          (wl-summary-buffer-folder-name))
2774                                  'update nil nil t)
2775     (run-hooks 'wl-summary-virtual-hook)))
2776
2777 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2778   "Erase all temp marks from buffer."
2779   (interactive)
2780   (when (or wl-summary-buffer-target-mark-list
2781             wl-summary-buffer-temp-mark-list
2782             wl-summary-scored)
2783     (save-excursion
2784       (goto-char (point-min))
2785       (unless no-msg
2786         (message "Unmarking..."))
2787       (while (not (eobp))
2788         (wl-summary-unset-mark nil nil force)
2789         (forward-line 1))
2790       (unless no-msg
2791         (message "Unmarking...done"))
2792       (setq wl-summary-buffer-target-mark-list nil)
2793       (setq wl-summary-buffer-temp-mark-list nil))))
2794
2795 (defsubst wl-summary-temp-mark (&optional number)
2796   "Return temp-mark string of current line."
2797   (let ((number (or number (wl-summary-message-number)))
2798         info)
2799     (or (and (wl-summary-have-target-mark-p number)
2800              "*")
2801         (and (setq info (wl-summary-registered-temp-mark number))
2802              (nth 1 info))
2803         (wl-summary-get-score-mark number)
2804         " ")))
2805
2806 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2807   "Return the persistent mark string.
2808 The mark is decided according to the FOLDER, FLAGS and CACHED."
2809   (let ((priorities wl-summary-persistent-mark-priority-list)
2810         mark)
2811     (while (and (null mark) priorities)
2812       (if (and (eq (car priorities) 'flag)
2813                (elmo-get-global-flags flags 'ignore-preserved))
2814           (let ((specs wl-summary-flag-alist)
2815                 spec)
2816             (while (setq spec (car specs))
2817               (if (memq (car spec) flags)
2818                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2819                         specs nil)
2820                 (setq specs (cdr specs))))
2821             (unless mark
2822               (setq mark wl-summary-flag-mark)))
2823         (when (memq (car priorities) flags)
2824           (setq mark
2825                 (let ((var
2826                        (intern
2827                         (if cached
2828                             (format
2829                              "wl-summary-%s-cached-mark" (car priorities))
2830                           (format
2831                            "wl-summary-%s-uncached-mark" (car priorities))))))
2832                   (if (boundp var)
2833                       (symbol-value var)
2834                     (if cached
2835                         (downcase (substring (symbol-name (car priorities))
2836                                              0 1))
2837                       (upcase (substring (symbol-name (car priorities))
2838                                          0 1))))))))
2839       (setq priorities (cdr priorities)))
2840     (or mark
2841         (if (or cached (elmo-folder-local-p folder))
2842             nil
2843           wl-summary-read-uncached-mark))))
2844
2845 (defsubst wl-summary-message-mark (folder number &optional flags)
2846   "Return mark of the message."
2847   (ignore-errors
2848     (wl-summary-persistent-mark-string
2849      folder
2850      (or flags (setq flags (elmo-message-flags folder number)))
2851      (memq 'cached flags) ; XXX for speed-up.
2852      )))
2853
2854 (defsubst wl-summary-persistent-mark (&optional number flags)
2855   "Return persistent-mark string of current line."
2856   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
2857                                (or number (wl-summary-message-number))
2858                                flags)
2859       " "))
2860
2861 (defun wl-summary-put-temp-mark (mark)
2862   "Put temp MARK on current line."
2863   (when wl-summary-buffer-temp-mark-column
2864     (save-excursion
2865       (beginning-of-line)
2866       (let ((inhibit-read-only t)
2867             (buffer-read-only nil))
2868         (move-to-column wl-summary-buffer-temp-mark-column)
2869         (delete-backward-char 1)
2870         (insert mark)))))
2871
2872 (defun wl-summary-next-buffer ()
2873   "Switch to next summary buffer."
2874   (interactive)
2875   (let ((buffers (sort (wl-collect-summary)
2876                        (lambda (buffer1 buffer2)
2877                          (string-lessp (buffer-name buffer1)
2878                                        (buffer-name buffer2))))))
2879     (switch-to-buffer
2880      (or (cadr (memq (current-buffer) buffers))
2881          (car buffers)))))
2882
2883 (defun wl-summary-previous-buffer ()
2884   "Switch to previous summary buffer."
2885   (interactive)
2886   (let ((buffers (sort (wl-collect-summary)
2887                        (lambda (buffer1 buffer2)
2888                          (not (string-lessp (buffer-name buffer1)
2889                                             (buffer-name buffer2)))))))
2890     (switch-to-buffer
2891      (or (cadr (memq (current-buffer) buffers))
2892          (car buffers)))))
2893
2894 (defun wl-summary-target-mark-mark-as-read ()
2895   (interactive)
2896   (save-excursion
2897     (goto-char (point-min))
2898     (let ((inhibit-read-only t)
2899           (buffer-read-only nil)
2900           wl-summary-buffer-disp-msg)
2901       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
2902       (dolist (number wl-summary-buffer-target-mark-list)
2903         (wl-summary-unset-mark number)))))
2904
2905 (defun wl-summary-target-mark-mark-as-unread ()
2906   (interactive)
2907   (save-excursion
2908     (goto-char (point-min))
2909     (let ((inhibit-read-only t)
2910           (buffer-read-only nil)
2911           wl-summary-buffer-disp-msg)
2912       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
2913       (dolist (number wl-summary-buffer-target-mark-list)
2914         (wl-summary-unset-mark number)))))
2915
2916 (defun wl-summary-target-mark-operation (flag &optional inverse)
2917   (save-excursion
2918     (let ((inhibit-read-only t)
2919           (buffer-read-only nil)
2920           wl-summary-buffer-disp-msg)
2921       (funcall
2922        (intern (format "wl-summary-mark-as-%s-internal" flag))
2923        inverse
2924        wl-summary-buffer-target-mark-list)
2925       (wl-summary-delete-all-target-marks))))
2926
2927 (defun wl-summary-target-mark-mark-as-important (&optional remove)
2928   (interactive "P")
2929   (wl-summary-target-mark-operation 'important remove))
2930
2931 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
2932   (interactive "P")
2933   (wl-summary-target-mark-operation 'answered remove))
2934
2935 (defun wl-summary-target-mark-set-flags (&optional remove)
2936   (interactive "P")
2937   (save-excursion
2938     (let ((inhibit-read-only t)
2939           (buffer-read-only nil)
2940           wl-summary-buffer-disp-msg)
2941       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
2942                                      nil nil remove)
2943       (wl-summary-delete-all-target-marks)
2944       (wl-summary-count-unread)
2945       (wl-summary-update-modeline))))
2946
2947 (defun wl-summary-target-mark-save ()
2948   (interactive)
2949   (let ((wl-save-dir
2950          (wl-read-directory-name "Save to directory: "
2951                                  wl-temporary-file-directory))
2952         number)
2953     (if (null (file-exists-p wl-save-dir))
2954         (make-directory wl-save-dir))
2955     (while (setq number (car wl-summary-buffer-target-mark-list))
2956       (wl-thread-jump-to-msg number)
2957       (wl-summary-save t wl-save-dir)
2958       (wl-summary-unmark))))
2959
2960 (defun wl-summary-target-mark-pick ()
2961   (interactive)
2962   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
2963
2964 (defun wl-summary-update-persistent-mark (&optional number flags)
2965   "Synch up persistent mark of current line with msgdb's.
2966 Return non-nil if the mark is updated"
2967   (interactive)
2968   (prog1
2969       (when wl-summary-buffer-persistent-mark-column
2970         (save-excursion
2971           (move-to-column wl-summary-buffer-persistent-mark-column)
2972           (let ((inhibit-read-only t)
2973                 (buffer-read-only nil)
2974                 (mark (buffer-substring (- (point) 1) (point)))
2975                 (new-mark (wl-summary-persistent-mark number flags)))
2976             (unless (string= new-mark mark)
2977               (delete-backward-char 1)
2978               (insert new-mark)
2979               (wl-summary-set-message-modified)
2980               t))))
2981     (when wl-summary-highlight
2982       (wl-highlight-summary-current-line))
2983     (set-buffer-modified-p nil)))
2984
2985 (defsubst wl-summary-mark-as-read-internal (inverse
2986                                             number-or-numbers
2987                                             no-folder-mark
2988                                             no-modeline-update)
2989   (save-excursion
2990     (let ((folder wl-summary-buffer-elmo-folder)
2991           unread-message number
2992           number-list visible)
2993       (setq number-list (cond ((numberp number-or-numbers)
2994                                (setq unread-message
2995                                      (elmo-message-flagged-p
2996                                       folder
2997                                       number-or-numbers
2998                                       'unread))
2999                                (list number-or-numbers))
3000                               ((and (not (null number-or-numbers))
3001                                     (listp number-or-numbers))
3002                                number-or-numbers)
3003                               ((setq number (wl-summary-message-number))
3004                                ;; interactive
3005                                (setq unread-message
3006                                      (elmo-message-flagged-p
3007                                       folder
3008                                       number
3009                                       'unread))
3010                                (list number))))
3011       (if (null number-list)
3012           (message "No message.")
3013         (if inverse
3014             (elmo-folder-unset-flag folder number-list 'read no-folder-mark)
3015           (elmo-folder-set-flag folder number-list 'read no-folder-mark))
3016         (dolist (number number-list)
3017           (setq visible (wl-summary-jump-to-msg number))
3018           (unless inverse
3019             (when unread-message
3020               (run-hooks 'wl-summary-unread-message-hook)))
3021           ;; set mark on buffer
3022           (when visible
3023             (wl-summary-update-persistent-mark)))
3024         (unless no-modeline-update
3025           ;; Update unread numbers.
3026           (wl-summary-count-unread)
3027           (wl-summary-update-modeline)
3028           (wl-folder-update-unread
3029            (wl-summary-buffer-folder-name)
3030            wl-summary-buffer-unread-count))))))
3031
3032 (defun wl-summary-mark-as-read (&optional number-or-numbers
3033                                           no-folder-mark
3034                                           no-modeline-update)
3035   (interactive)
3036   (wl-summary-mark-as-read-internal nil
3037                                     number-or-numbers
3038                                     no-folder-mark
3039                                     no-modeline-update))
3040
3041 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3042                                             no-folder-mark
3043                                             no-modeline-update)
3044   (interactive)
3045   (wl-summary-mark-as-read-internal 'inverse
3046                                     number-or-numbers
3047                                     no-folder-mark
3048                                     no-modeline-update))
3049
3050 (defsubst wl-summary-set-persistent-mark-internal (inverse
3051                                                    &optional flag
3052                                                    number-or-numbers
3053                                                    no-modeline-update)
3054   "Set persistent mark."
3055   (save-excursion
3056     (let ((folder wl-summary-buffer-elmo-folder)
3057           number number-list visible)
3058       (setq number-list (cond ((numberp number-or-numbers)
3059                                (list number-or-numbers))
3060                               ((and (not (null number-or-numbers))
3061                                     (listp number-or-numbers))
3062                                number-or-numbers)
3063                               ((setq number (wl-summary-message-number))
3064                                ;; interactive
3065                                (list number))))
3066       (if (null number-list)
3067           (message "No message.")
3068         (if inverse
3069             (elmo-folder-unset-flag folder number-list flag)
3070           (elmo-folder-set-flag folder number-list flag))
3071         (dolist (number number-list)
3072           (setq visible (wl-summary-jump-to-msg number))
3073           ;; set mark on buffer
3074           (when visible
3075             (wl-summary-update-persistent-mark)))
3076         (unless no-modeline-update
3077           ;; Update unread numbers.
3078           ;; should elmo-flag-mark-as-read return unread numbers?
3079           (wl-summary-count-unread)
3080           (wl-summary-update-modeline)
3081           (wl-folder-update-unread
3082            (wl-summary-buffer-folder-name)
3083            wl-summary-buffer-unread-count))))))
3084
3085 (defun wl-summary-unset-persistent-mark (&optional flag
3086                                                    number-or-numbers
3087                                                    no-modeline-update)
3088   "Unset persistent mark."
3089   (interactive)
3090   (when (interactive-p)
3091     (let ((completion-ignore-case t))
3092       (setq flag (intern (downcase
3093                           (completing-read
3094                            "Flag: "
3095                            (mapcar (lambda (flag)
3096                                      (list (capitalize (symbol-name flag))))
3097                                    elmo-preserved-flags)
3098                            nil
3099                            'require-match))))))
3100   (wl-summary-set-persistent-mark-internal 'inverse
3101                                            flag
3102                                            number-or-numbers
3103                                            no-modeline-update))
3104
3105 (defun wl-summary-set-persistent-mark (&optional flag
3106                                                  number-or-numbers
3107                                                  no-modeline-update)
3108   "Set persistent mark."
3109   (interactive)
3110   (when (interactive-p)
3111     (let ((completion-ignore-case t))
3112       (setq flag (intern (downcase
3113                           (completing-read
3114                            "Flag: "
3115                            (mapcar (lambda (flag)
3116                                      (list (capitalize (symbol-name flag))))
3117                                    elmo-preserved-flags)
3118                            nil
3119                            'require-match))))))
3120   (wl-summary-set-persistent-mark-internal
3121    nil
3122    flag
3123    number-or-numbers
3124    no-modeline-update))
3125
3126 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3127                                               no-modeline-update)
3128   (interactive)
3129   (wl-summary-set-persistent-mark-internal
3130    (and (interactive-p)
3131         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3132                                 (wl-summary-message-number)
3133                                 'answered))
3134    'answered
3135    number-or-numbers
3136    no-modeline-update))
3137
3138 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3139                                                 no-modeline-update)
3140   (wl-summary-set-persistent-mark-internal
3141    'inverse
3142    'answered
3143    number-or-numbers
3144    no-modeline-update))
3145
3146 (defun wl-summary-decide-flag (folder number)
3147   (let ((flags (elmo-get-global-flags (elmo-message-flags
3148                                        folder number)))
3149         (completion-ignore-case t)
3150         new-flags)
3151     (setq new-flags
3152           (delq nil
3153                 (mapcar
3154                  (lambda (flag)
3155                    (and (> (length flag) 0)
3156                         (intern (downcase flag))))
3157                  (wl-completing-read-multiple
3158                   "Flags: "
3159                   (mapcar (lambda (flag)
3160                             (list (capitalize (symbol-name flag))))
3161                           elmo-global-flag-list)
3162                   nil nil (mapconcat (lambda (flag)
3163                                        (capitalize (symbol-name flag)))
3164                                      flags
3165                                      ",")))))
3166     (dolist (flag new-flags)
3167       (unless (memq flag elmo-global-flag-list)
3168         (if (y-or-n-p (format "Flag `%s' does not exist yet. Create?"
3169                               (capitalize (symbol-name flag))))
3170             (setq elmo-global-flag-list (append
3171                                          elmo-global-flag-list
3172                                          (list flag)))
3173           (error "Stopped"))))
3174     new-flags))
3175
3176 (defsubst wl-summary-set-flags-internal (&optional
3177                                         number-or-numbers
3178                                         flags
3179                                         local
3180                                         remove-all)
3181   (save-excursion
3182     (let ((folder wl-summary-buffer-elmo-folder)
3183           number number-list visible)
3184       (setq number-list (cond ((numberp number-or-numbers)
3185                                (list number-or-numbers))
3186                               ((and (not (null number-or-numbers))
3187                                     (listp number-or-numbers))
3188                                number-or-numbers)
3189                               ((setq number (wl-summary-message-number))
3190                                ;; interactive
3191                                (list number))))
3192       (if remove-all
3193           (setq flags nil)
3194         (unless flags
3195           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3196       (if (null number-list)
3197           (message "No message.")
3198         (dolist (number number-list)
3199           (elmo-message-set-global-flags folder number flags local)
3200           (setq visible (wl-summary-jump-to-msg number))
3201           ;; set mark on buffer
3202           (when visible
3203             (wl-summary-update-persistent-mark))))
3204       flags)))
3205
3206 (defsubst wl-summary-add-flags-internal (&optional
3207                                          number-or-numbers
3208                                          flags
3209                                          local)
3210   (save-excursion
3211     (let ((folder wl-summary-buffer-elmo-folder)
3212           set-flags msg number-list visible)
3213       (setq number-list (cond ((numberp number-or-numbers)
3214                                (list number-or-numbers))
3215                               ((and (not (null number-or-numbers))
3216                                     (listp number-or-numbers))
3217                                number-or-numbers)
3218                               ((setq msg (wl-summary-message-number))
3219                                ;; interactive
3220                                (list msg))))
3221       (if (null number-list)
3222           (message "No message.")
3223         (dolist (number number-list)
3224           (setq set-flags
3225                 (elmo-get-global-flags
3226                  (elmo-message-flags folder number)))
3227           (setq set-flags (nconc flags set-flags))
3228           (elmo-message-set-global-flags folder number set-flags local)
3229           (setq visible (wl-summary-jump-to-msg number))
3230           ;; set mark on buffer
3231           (when visible
3232             (wl-summary-update-persistent-mark)))))))
3233
3234 (defsubst wl-summary-remove-flags-internal (&optional
3235                                             number-or-numbers
3236                                             flags
3237                                             local)
3238   (save-excursion
3239     (let ((folder wl-summary-buffer-elmo-folder)
3240           set-flags msg number-list visible)
3241       (setq number-list (cond ((numberp number-or-numbers)
3242                                (list number-or-numbers))
3243                               ((and (not (null number-or-numbers))
3244                                     (listp number-or-numbers))
3245                                number-or-numbers)
3246                               ((setq msg (wl-summary-message-number))
3247                                ;; interactive
3248                                (list msg))))
3249       (if (null number-list)
3250           (message "No message.")
3251         (dolist (number number-list)
3252           (setq set-flags (elmo-get-global-flags
3253                            (elmo-message-flags folder number)))
3254           (dolist (flag flags)
3255             (setq set-flags (delq flag set-flags)))
3256           (elmo-message-set-global-flags folder number set-flags local)
3257           (setq visible (wl-summary-jump-to-msg number))
3258           ;; set mark on buffer
3259           (when visible
3260             (wl-summary-update-persistent-mark)))))))
3261
3262 (defun wl-summary-set-flags (&optional remove)
3263   (interactive "P")
3264   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3265       (error "Cannot process flags in this folder"))
3266   (wl-summary-set-flags-internal nil nil nil remove))
3267
3268 (defun wl-summary-mark-as-important-internal (inverse
3269                                               &optional number-or-numbers)
3270   (if inverse
3271       (wl-summary-remove-flags-internal number-or-numbers '(important))
3272     (wl-summary-add-flags-internal number-or-numbers '(important))))
3273
3274 (defun wl-summary-mark-as-important (&optional prompt)
3275   (interactive "P")
3276   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3277       (error "Cannot process flags in this folder"))
3278   (if prompt
3279       (wl-summary-set-flags-internal)
3280     (wl-summary-mark-as-important-internal
3281      (and (interactive-p)
3282           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3283                                   (wl-summary-message-number)
3284                                   'important)))))
3285
3286 ;;; Summary line.
3287 (defvar wl-summary-line-formatter nil)
3288
3289 (defun wl-summary-view-old-p ()
3290   "Return non-nil when summary view cache has old format."
3291   (save-excursion
3292     (goto-char (point-min))
3293     (and wl-summary-buffer-number-list
3294          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3295
3296 (defun wl-summary-line-format-changed-p ()
3297   "Return non-nil when summary line format is changed."
3298   (not (string=
3299         wl-summary-buffer-line-format
3300         (or (elmo-object-load (expand-file-name
3301                                wl-summary-line-format-file
3302                                (elmo-folder-msgdb-path
3303                                 wl-summary-buffer-elmo-folder))
3304                               wl-summary-buffer-mime-charset)
3305             wl-summary-buffer-line-format))))
3306
3307 (defun wl-summary-line-format-save ()
3308   "Save current summary line format."
3309   (elmo-object-save
3310    (expand-file-name wl-summary-line-format-file
3311                      (elmo-folder-msgdb-path
3312                       wl-summary-buffer-elmo-folder))
3313    wl-summary-buffer-line-format
3314    wl-summary-buffer-mime-charset))
3315
3316 (defun wl-summary-line-number ()
3317   (wl-set-string-width
3318    (- wl-summary-buffer-number-column)
3319    (number-to-string
3320     (elmo-message-entity-number wl-message-entity))))
3321
3322 (defun wl-summary-line-year ()
3323   (aref wl-datevec 0))
3324 (defun wl-summary-line-month ()
3325   (format "%02d" (aref wl-datevec 1)))
3326 (defun wl-summary-line-day ()
3327   (format "%02d" (aref wl-datevec 2)))
3328 (defun wl-summary-line-day-of-week ()
3329   (condition-case nil
3330       (elmo-date-get-week (aref wl-datevec 0)
3331                           (aref wl-datevec 1)
3332                           (aref wl-datevec 2))
3333     (error "??")))
3334 (defun wl-summary-line-hour ()
3335   (format "%02d" (aref wl-datevec 3)))
3336 (defun wl-summary-line-minute ()
3337   (format "%02d" (aref wl-datevec 4)))
3338
3339 (defun wl-summary-line-size ()
3340   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3341     (if size
3342         (cond
3343          ((<= 1 (/ size 1048576))
3344           (format "%.0fM" (/ size 1048576.0)))
3345          ((<= 1 (/ size 1024))
3346           (format "%.0fK" (/ size 1024.0)))
3347          (t (format "%dB" size)))
3348       "")))
3349
3350 (defun wl-summary-line-subject ()
3351   (let (no-parent subject parent-raw-subject parent-subject)
3352     (if (string= wl-thr-indent-string "")
3353         (setq no-parent t)) ; no parent
3354     (setq subject
3355           (elmo-delete-char ?\n
3356                             (or (elmo-message-entity-field
3357                                  wl-message-entity
3358                                  'subject t)
3359                                 wl-summary-no-subject-message)))
3360     (setq parent-raw-subject
3361           (elmo-message-entity-field wl-parent-message-entity
3362                                      'subject t))
3363     (setq parent-subject
3364           (if parent-raw-subject
3365               (elmo-delete-char ?\n parent-raw-subject)))
3366     (if (or no-parent
3367             (null parent-subject)
3368             (not (wl-summary-subject-equal
3369                   subject parent-subject)))
3370         (funcall wl-summary-subject-function subject)
3371       "")))
3372
3373 (defun wl-summary-line-from ()
3374   (elmo-delete-char ?\n
3375                     (funcall wl-summary-from-function
3376                              (elmo-message-entity-field
3377                               wl-message-entity
3378                               'from t))))
3379
3380 (defun wl-summary-line-list-info ()
3381   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3382     (if (car list-info)
3383         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3384                 (car list-info) (cdr list-info))
3385       "")))
3386
3387 (defun wl-summary-line-list-count ()
3388   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3389     (if ml-count
3390         (format "%.0f" ml-count)
3391       "")))
3392
3393 (defun wl-summary-line-attached ()
3394   (let ((content-type (elmo-message-entity-field
3395                        wl-message-entity 'content-type))
3396         (case-fold-search t))
3397     (if (and content-type
3398              (string-match "multipart/mixed" content-type))
3399         "@"
3400       "")))
3401
3402 ;;; For future use.
3403 ;;(defun wl-summary-line-cached ()
3404 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3405 ;;                           (elmo-message-entity-number wl-message-entity))
3406 ;;      " "
3407 ;;    "u"))
3408
3409 (defun wl-summary-create-line (wl-message-entity
3410                                wl-parent-message-entity
3411                                wl-temp-mark
3412                                wl-flags
3413                                wl-cached
3414                                &optional
3415                                wl-thr-children-number
3416                                wl-thr-indent-string
3417                                wl-thr-linked)
3418   "Create a summary line."
3419   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3420         (wl-persistent-mark (wl-summary-persistent-mark-string
3421                              wl-summary-buffer-elmo-folder
3422                              wl-flags
3423                              wl-cached))
3424         (elmo-mime-charset wl-summary-buffer-mime-charset)
3425         (elmo-lang wl-summary-buffer-weekday-name-lang)
3426         (wl-datevec (or (ignore-errors (timezone-fix-time
3427                                         (elmo-message-entity-field
3428                                          wl-message-entity
3429                                          'date)
3430                                         nil
3431                                         wl-summary-fix-timezone))
3432                         (make-vector 5 0)))
3433         (entity wl-message-entity) ; backward compatibility.
3434         line mark)
3435     (if (and wl-thr-indent-string
3436              wl-summary-indent-length-limit
3437              (< wl-summary-indent-length-limit
3438                 (string-width wl-thr-indent-string)))
3439         (setq wl-thr-indent-string (wl-set-string-width
3440                                     wl-summary-indent-length-limit
3441                                     wl-thr-indent-string)))
3442     (setq line (funcall wl-summary-buffer-line-formatter))
3443     (if wl-summary-width (setq line
3444                                (wl-set-string-width
3445                                 (- wl-summary-width 1) line nil
3446                                 'ignore-invalid)))
3447     (setq line (concat line
3448                        "\r"
3449                        (number-to-string
3450                         (elmo-message-entity-number
3451                          wl-message-entity))))
3452     (if wl-summary-highlight
3453         (wl-highlight-summary-line-string
3454          (elmo-message-entity-number wl-message-entity)
3455          line
3456          wl-flags
3457          wl-temp-mark
3458          wl-thr-indent-string))
3459     line))
3460
3461 (defsubst wl-summary-proc-wday (wday-str year month mday)
3462   (save-match-data
3463     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3464         (wl-match-string 1 wday-str)
3465       (elmo-date-get-week year month mday))))
3466
3467 (defvar wl-summary-move-spec-alist
3468   '((new . ((t . nil)
3469             (p . new)
3470             (p . unread)
3471             (p . digest)))
3472     (unread . ((t . nil)
3473                (p . unread)
3474                (p . digest)))))
3475
3476 (defsubst wl-summary-next-message (num direction hereto)
3477   (if wl-summary-buffer-next-message-function
3478       (funcall wl-summary-buffer-next-message-function num direction hereto)
3479     (let ((cur-spec (cdr (assq wl-summary-move-order
3480                                wl-summary-move-spec-alist)))
3481           (nums (memq num (if (eq direction 'up)
3482                               (reverse wl-summary-buffer-number-list)
3483                             wl-summary-buffer-number-list)))
3484           flagged-list nums2)
3485       (unless hereto (setq nums (cdr nums)))
3486       (setq nums2 nums)
3487       (if cur-spec
3488           (catch 'done
3489             (while cur-spec
3490               (setq nums nums2)
3491               (cond ((eq (car (car cur-spec)) 'p)
3492                      (if (setq flagged-list
3493                                (elmo-folder-list-flagged
3494                                 wl-summary-buffer-elmo-folder
3495                                 (cdr (car cur-spec)) t))
3496                          (while nums
3497                            (if (and (memq (car nums) flagged-list)
3498                                     (elmo-message-accessible-p
3499                                      wl-summary-buffer-elmo-folder
3500                                      (car nums)))
3501                                (throw 'done (car nums)))
3502                            (setq nums (cdr nums)))))
3503                     ((eq (car (car cur-spec)) 't)
3504                      (if wl-summary-buffer-target-mark-list
3505                          (while nums
3506                            (if (memq (car nums)
3507                                      wl-summary-buffer-target-mark-list)
3508                                (throw 'done (car nums)))
3509                            (setq nums (cdr nums))))))
3510               (setq cur-spec (cdr cur-spec))))
3511         (car nums)))))
3512
3513 (defsubst wl-summary-cursor-move (direction hereto)
3514   (when (and (eq direction 'up)
3515              (eobp))
3516     (forward-line -1)
3517     (setq hereto t))
3518   (let (num)
3519     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3520                                              direction hereto))
3521       (if (numberp num)
3522           (wl-thread-jump-to-msg num))
3523       t)))
3524 ;;
3525 ;; Goto unread or global flag message
3526 ;; returns t if next message exists in this folder.
3527 (defun wl-summary-cursor-down (&optional hereto)
3528   (interactive "P")
3529   (wl-summary-cursor-move 'down hereto))
3530
3531 (defun wl-summary-cursor-up (&optional hereto)
3532   (interactive "P")
3533   (wl-summary-cursor-move 'up hereto))
3534
3535 (defun wl-summary-save-view-cache ()
3536   (save-excursion
3537     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3538            (cache (expand-file-name wl-summary-cache-file dir))
3539            (view (expand-file-name wl-summary-view-file dir))
3540            (save-view wl-summary-buffer-view)
3541            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3542            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3543            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3544            (temp-column wl-summary-buffer-temp-mark-column)
3545            (charset wl-summary-buffer-mime-charset))
3546       (when dir
3547         (if (file-directory-p dir)
3548             (); ok.
3549           (if (file-exists-p dir)
3550               (error "File %s already exists" dir)
3551             (elmo-make-directory dir)))
3552         (if (eq save-view 'thread)
3553             (wl-thread-save-entity dir))
3554         (when wl-summary-check-line-format
3555           (wl-summary-line-format-save))
3556         (unwind-protect
3557             (progn
3558               (when (file-writable-p cache)
3559                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3560                 (with-current-buffer tmp-buffer
3561                   (widen)
3562                   (make-local-variable 'wl-summary-highlight)
3563                   (setq wl-summary-highlight nil
3564                         wl-summary-buffer-target-mark-list mark-list
3565                         wl-summary-buffer-temp-mark-list temp-list
3566                         wl-summary-buffer-temp-mark-column temp-column)
3567                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3568                   (encode-coding-region
3569                    (point-min) (point-max)
3570                    (or (and wl-on-mule
3571                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3572                             (mime-charset-to-coding-system charset 'LF))
3573                        ;; Mule 2 doesn't have `*ctext*unix'.
3574                        (mime-charset-to-coding-system charset)))
3575                   (write-region-as-binary (point-min)(point-max)
3576                                           cache nil 'no-msg)))
3577               (when (file-writable-p view) ; 'thread or 'sequence
3578                 (save-excursion
3579                   (set-buffer tmp-buffer)
3580                   (erase-buffer)
3581                   (prin1 save-view tmp-buffer)
3582                   (princ "\n" tmp-buffer)
3583                   (write-region (point-min) (point-max) view nil 'no-msg))))
3584           ;; kill tmp buffer.
3585           (kill-buffer tmp-buffer))))))
3586
3587 (defsubst wl-summary-get-sync-range (folder)
3588   (intern (or (and
3589                (elmo-folder-plugged-p folder)
3590                (wl-get-assoc-list-value
3591                 wl-folder-sync-range-alist
3592                 (elmo-folder-name-internal folder)
3593                 'function))
3594               wl-default-sync-range)))
3595
3596 ;; redefined for wl-summary-sync-update
3597 (defun wl-summary-input-range (folder)
3598   "returns update or all or rescan."
3599   ;; for the case when parts are expanded in the bottom of the folder
3600   (let ((input-range-list '("no-sync"
3601                             "first:"
3602                             "last:"
3603                             "cache-status"
3604                             "mark"
3605                             "rescan"
3606                             "rescan-noscore"
3607                             "rescan-thread"
3608                             "update"
3609                             "update-entirely"
3610                             "all"
3611                             "all-entirely"))
3612         (default (or (wl-get-assoc-list-value
3613                       wl-folder-sync-range-alist
3614                       folder
3615                       'function)
3616                      wl-default-sync-range))
3617         range)
3618     (setq range
3619           (completing-read (format "Range (%s): " default)
3620                            (mapcar
3621                             (function (lambda (x) (cons x x)))
3622                             input-range-list)))
3623     (if (string= range "")
3624         default
3625       range)))
3626
3627 (defun wl-summary-toggle-disp-folder (&optional arg)
3628   (interactive)
3629   (let ((cur-buf (current-buffer))
3630         (summary-win (get-buffer-window (current-buffer)))
3631         fld-buf fld-win)
3632     (cond
3633      ((eq arg 'on)
3634       (setq wl-summary-buffer-disp-folder t)
3635       ;; hide your folder window
3636       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3637           (if (setq fld-win (get-buffer-window fld-buf))
3638               (delete-window fld-win))))
3639      ((eq arg 'off)
3640       (setq wl-summary-buffer-disp-folder nil)
3641       ;; hide your wl-message window!
3642       (when (buffer-live-p wl-message-buffer)
3643         (wl-message-select-buffer wl-message-buffer)
3644         (delete-window))
3645       (select-window (get-buffer-window cur-buf))
3646       ;; display wl-folder window!!
3647       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3648           (if (setq fld-win (get-buffer-window fld-buf))
3649               ;; folder win is already displayed.
3650               (select-window fld-win)
3651             ;; folder win is not displayed.
3652             (switch-to-buffer fld-buf))
3653         ;; no folder buf
3654         (wl-folder))
3655       ;; temporarily delete summary-win.
3656       (if summary-win
3657           (delete-window summary-win))
3658       (split-window-horizontally wl-folder-window-width)
3659       (other-window 1)
3660       (switch-to-buffer cur-buf))
3661      (t
3662       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3663           (if (setq fld-win (get-buffer-window fld-buf))
3664               (setq wl-summary-buffer-disp-folder nil)
3665             (setq wl-summary-buffer-disp-folder t)))
3666       (if (not wl-summary-buffer-disp-folder)
3667           ;; hide message window
3668           (let ((mes-win (and wl-message-buffer
3669                               (get-buffer-window wl-message-buffer)))
3670                 (wl-stay-folder-window t))
3671             (if mes-win (delete-window mes-win))
3672             ;; hide your folder window
3673             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3674                 (if (setq fld-win (get-buffer-window fld-buf))
3675                     (progn
3676                       (delete-window (get-buffer-window cur-buf))
3677                       (select-window fld-win)
3678                       (switch-to-buffer cur-buf))))
3679             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3680             ;; resume message window.
3681             (when mes-win
3682               (wl-message-select-buffer wl-message-buffer)
3683               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3684               (select-window (get-buffer-window cur-buf))))
3685         ;; hide message window
3686         (let ((wl-stay-folder-window t)
3687               (mes-win (and wl-message-buffer
3688                             (get-buffer-window wl-message-buffer))))
3689           (if mes-win (delete-window mes-win))
3690           (select-window (get-buffer-window cur-buf))
3691           ;; display wl-folder window!!
3692           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3693               (if (setq fld-win (get-buffer-window fld-buf))
3694                   ;; folder win is already displayed.
3695                   (select-window fld-win)
3696                 ;; folder win is not displayed...occupy all.
3697                 (switch-to-buffer fld-buf))
3698             ;; no folder buf
3699             (wl-folder))
3700           (split-window-horizontally wl-folder-window-width)
3701           (other-window 1)
3702           (switch-to-buffer cur-buf)
3703           ;; resume message window.
3704           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3705           (when mes-win
3706             (wl-message-select-buffer wl-message-buffer)
3707             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3708             (select-window (get-buffer-window cur-buf))))))))
3709   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3710
3711 (defun wl-summary-toggle-disp-msg (&optional arg)
3712   (interactive)
3713   (let ((cur-buf (current-buffer))
3714         fld-buf fld-win
3715         summary-win)
3716     (cond
3717      ((eq arg 'on)
3718       (setq wl-summary-buffer-disp-msg t)
3719       (save-excursion
3720         ;; hide your folder window
3721         (if (and (not wl-stay-folder-window)
3722                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3723             (if (setq fld-win (get-buffer-window fld-buf))
3724                 (unless (one-window-p fld-win)
3725                   (delete-window fld-win))))))
3726      ((eq arg 'off)
3727       (wl-delete-all-overlays)
3728       (setq wl-summary-buffer-disp-msg nil)
3729       (save-excursion
3730         (when (buffer-live-p wl-message-buffer)
3731           (wl-message-select-buffer wl-message-buffer)
3732           (delete-window)
3733           (and (get-buffer-window cur-buf)
3734                (select-window (get-buffer-window cur-buf))))
3735         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3736      (t
3737       (if (and wl-message-buffer
3738                (get-buffer-window wl-message-buffer)) ; already displayed
3739           (setq wl-summary-buffer-disp-msg nil)
3740         (setq wl-summary-buffer-disp-msg t))
3741       (if wl-summary-buffer-disp-msg
3742           (progn
3743             (wl-summary-redisplay)
3744 ;;; hide your folder window
3745 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3746 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3747 ;;;             (delete-window fld-win)))
3748             (run-hooks 'wl-summary-toggle-disp-on-hook))
3749         (wl-delete-all-overlays)
3750         (save-excursion
3751           (wl-message-select-buffer wl-message-buffer)
3752           (delete-window)
3753           (select-window (get-buffer-window cur-buf))
3754           (setq wl-message-buffer nil)
3755           (run-hooks 'wl-summary-toggle-disp-off-hook))
3756 ;;;     (switch-to-buffer cur-buf)
3757         )))
3758     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3759
3760 (defun wl-summary-next-line-content ()
3761   "Show next line of the message."
3762   (interactive)
3763   (let ((cur-buf (current-buffer)))
3764     (wl-summary-toggle-disp-msg 'on)
3765     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3766       (set-buffer cur-buf)
3767       (wl-message-next-page 1))))
3768
3769 (defun wl-summary-prev-line-content ()
3770   (interactive)
3771   (let ((cur-buf (current-buffer)))
3772     (wl-summary-toggle-disp-msg 'on)
3773     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3774       (set-buffer cur-buf)
3775       (wl-message-prev-page 1))))
3776
3777 (defun wl-summary-next-page ()
3778   (interactive)
3779   (let ((cur-buf (current-buffer)))
3780     (wl-summary-toggle-disp-msg 'on)
3781     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3782       (set-buffer cur-buf)
3783       (wl-message-next-page))))
3784
3785 (defun wl-summary-prev-page ()
3786   (interactive)
3787   (let ((cur-buf (current-buffer)))
3788     (wl-summary-toggle-disp-msg 'on)
3789     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3790       (set-buffer cur-buf)
3791       (wl-message-prev-page))))
3792
3793 (defsubst wl-summary-no-mime-p (folder)
3794   (wl-string-match-member (elmo-folder-name-internal folder)
3795                           wl-summary-no-mime-folder-list))
3796
3797 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3798   "Set message buffer.
3799 If message is not displayed yet, display it.
3800 Return t if message exists."
3801   (let ((folder wl-summary-buffer-elmo-folder)
3802         (number (wl-summary-message-number))
3803         cur-folder cur-number message-last-pos)
3804     (when (buffer-live-p wl-message-buffer)
3805       (save-window-excursion
3806         (setq wl-current-summary-buffer (current-buffer))
3807         (wl-message-select-buffer wl-message-buffer)
3808         (setq cur-folder wl-message-buffer-cur-folder)
3809         (setq cur-number wl-message-buffer-cur-number)))
3810     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3811              (eq number (or cur-number 0)))
3812         (progn
3813           (set-buffer wl-message-buffer)
3814           t)
3815       (if (wl-summary-no-mime-p folder)
3816           (wl-summary-redisplay-no-mime-internal folder number)
3817         (wl-summary-redisplay-internal folder number))
3818       (when (buffer-live-p wl-message-buffer)
3819         (set-buffer wl-message-buffer))
3820       nil)))
3821
3822 (defun wl-summary-target-mark-forward (&optional arg)
3823   (interactive "P")
3824   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3825         (summary-buf (current-buffer))
3826         (wl-draft-forward t)
3827         start-point
3828         draft-buf)
3829     (wl-summary-jump-to-msg (car mlist))
3830     (wl-summary-forward t)
3831     (setq start-point (point))
3832     (setq draft-buf (current-buffer))
3833     (setq mlist (cdr mlist))
3834     (save-window-excursion
3835       (when mlist
3836         (while mlist
3837           (set-buffer summary-buf)
3838           (wl-summary-jump-to-msg (car mlist))
3839           (wl-summary-redisplay)
3840           (set-buffer draft-buf)
3841           (goto-char (point-max))
3842           (wl-draft-insert-message)
3843           (setq mlist (cdr mlist)))
3844         (wl-draft-body-goto-top)
3845         (wl-draft-enclose-digest-region (point) (point-max)))
3846       (goto-char start-point)
3847       (save-excursion
3848         (set-buffer summary-buf)
3849         (wl-summary-delete-all-target-marks)))
3850     (run-hooks 'wl-mail-setup-hook)))
3851
3852 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3853   (interactive "P")
3854   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3855         (summary-buf (current-buffer))
3856         change-major-mode-hook
3857         start-point
3858         draft-buf)
3859     (wl-summary-jump-to-msg (car mlist))
3860     (when (wl-summary-reply arg t)
3861       (goto-char (point-max))
3862       (setq start-point (point-marker))
3863       (setq draft-buf (current-buffer))
3864       (save-window-excursion
3865         (while mlist
3866           (set-buffer summary-buf)
3867           (delete-other-windows)
3868           (wl-summary-jump-to-msg (car mlist))
3869           (wl-summary-redisplay)
3870           (set-buffer draft-buf)
3871           (goto-char (point-max))
3872           (wl-draft-yank-original)
3873           (setq mlist (cdr mlist)))
3874         (goto-char start-point)
3875         (save-excursion
3876           (set-buffer summary-buf)
3877           (wl-summary-delete-all-target-marks)))
3878       (wl-draft-reply-position wl-draft-reply-default-position)
3879       (run-hooks 'wl-mail-setup-hook))))
3880
3881 (defun wl-summary-reply-with-citation (&optional arg)
3882   (interactive "P")
3883   (when (wl-summary-reply arg t)
3884     (goto-char (point-max))
3885     (wl-draft-yank-original)
3886     (wl-draft-reply-position wl-draft-reply-default-position)
3887     (run-hooks 'wl-mail-setup-hook)))
3888
3889 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
3890   (interactive)
3891   (let* ((original (wl-summary-message-number))
3892          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3893          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
3894          msg otherfld schar
3895          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
3896     (if (setq msg (elmo-message-entity-number entity))
3897         (progn
3898           (wl-thread-jump-to-msg msg)
3899           t)
3900       ;; for XEmacs!
3901       (if (and elmo-use-database
3902                (setq errmsg
3903                      (format
3904                       "No message with id \"%s\" in the database." msgid))
3905                (setq otherfld (elmo-database-msgid-get msgid)))
3906           (if (cdr (wl-summary-jump-to-msg-internal
3907                     (car otherfld) (nth 1 otherfld) 'no-sync))
3908               t ; succeed.
3909             ;; Back to original.
3910             (wl-summary-jump-to-msg-internal
3911              (wl-summary-buffer-folder-name) original 'no-sync))
3912         (cond ((eq wl-summary-search-via-nntp 'confirm)
3913                (require 'elmo-nntp)
3914                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
3915                         elmo-nntp-default-server)
3916                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
3917                (cond ((eq schar ?y)
3918                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3919                      ((eq schar ?s)
3920                       (wl-summary-jump-to-msg-by-message-id-via-nntp
3921                        msgid
3922                        (read-from-minibuffer "NNTP Server: ")))
3923                      (t
3924                       (message "%s" errmsg)
3925                       nil)))
3926               ((or (eq wl-summary-search-via-nntp 'force)
3927                    (and
3928                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
3929                         'nntp)
3930                     wl-summary-search-via-nntp))
3931                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3932               (t
3933                (message "%s" errmsg)
3934                nil))))))
3935
3936 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
3937   (interactive)
3938   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3939          newsgroups folder ret
3940          user server port type spec)
3941     (if server-spec
3942         (if (string-match "^-" server-spec)
3943             (setq spec (wl-folder-get-elmo-folder server-spec)
3944                   user (elmo-net-folder-user-internal spec)
3945                   server (elmo-net-folder-server-internal spec)
3946                   port (elmo-net-folder-port-internal spec)
3947                   type (elmo-net-folder-stream-type-internal spec))
3948           (setq server server-spec)))
3949     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
3950                      msgid
3951                      (or server elmo-nntp-default-server)
3952                      (or user elmo-nntp-default-user)
3953                      (or port elmo-nntp-default-port)
3954                      (or type elmo-nntp-default-stream-type)))
3955       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
3956       (setq folder (concat "-" (car newsgroups)
3957                            (elmo-nntp-folder-postfix user server port type)))
3958       (catch 'found
3959         (while newsgroups
3960           (if (wl-folder-entity-exists-p (car newsgroups)
3961                                          wl-folder-newsgroups-hashtb)
3962               (throw 'found
3963                      (setq folder (concat "-" (car newsgroups)
3964                                           (elmo-nntp-folder-postfix
3965                                            user server port type)))))
3966           (setq newsgroups (cdr newsgroups)))))
3967     (if ret
3968         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
3969       (message "No message id \"%s\" in nntp server \"%s\"."
3970                msgid (or server elmo-nntp-default-server))
3971       nil)))
3972
3973 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
3974   (let (wl-auto-select-first entity)
3975     (if (or (string= folder (wl-summary-buffer-folder-name))
3976             (y-or-n-p
3977              (format
3978               "Message was found in the folder \"%s\". Jump to it? "
3979               folder)))
3980         (progn
3981           (unwind-protect
3982               (wl-summary-goto-folder-subr
3983                folder scan-type nil nil t)
3984             (if msgid
3985                 (setq msg
3986                       (elmo-message-entity-number
3987                        (elmo-message-entity
3988                         wl-summary-buffer-elmo-folder
3989                         msgid))))
3990             (setq entity (wl-folder-search-entity-by-name folder
3991                                                           wl-folder-entity
3992                                                           'folder))
3993             (if entity
3994                 (wl-folder-set-current-entity-id
3995                  (wl-folder-get-entity-id entity))))
3996           (if (null msg)
3997               (message "Message was not found currently in this folder.")
3998             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
3999           (cons folder msg)))))
4000
4001 (defun wl-summary-jump-to-parent-message (arg)
4002   (interactive "P")
4003   (let ((cur-buf (current-buffer))
4004         (disp-msg wl-summary-buffer-disp-msg)
4005         (number (wl-summary-message-number))
4006         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4007         (i -1) ;; xxx
4008         msg-id msg-num ref-list ref irt)
4009     (if (null number)
4010         (message "No message.")
4011       (when (eq wl-summary-buffer-view 'thread)
4012         (cond ((and arg (not (numberp arg)))
4013                (setq msg-num
4014                      (wl-thread-entity-get-number
4015                       (wl-thread-entity-get-top-entity
4016                        (wl-thread-get-entity number)))))
4017               ((and arg (numberp arg))
4018                (setq i 0)
4019                (setq msg-num number)
4020                (while (< i arg)
4021                  (setq msg-num
4022                        (wl-thread-entity-get-number
4023                         (wl-thread-entity-get-parent-entity
4024                          (wl-thread-get-entity msg-num))))
4025                  (setq i (1+ i))))
4026               (t (setq msg-num
4027                        (wl-thread-entity-get-number
4028                         (wl-thread-entity-get-parent-entity
4029                          (wl-thread-get-entity number)))))))
4030       (when (null msg-num)
4031         (wl-summary-set-message-buffer-or-redisplay)
4032         (set-buffer (wl-message-get-original-buffer))
4033         (message "Searching parent message...")
4034         (setq ref (std11-field-body "References")
4035               irt (std11-field-body "In-Reply-To"))
4036         (cond
4037          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4038                (string-match regexp ref))
4039           ;; The first message of the thread.
4040           (setq msg-id (wl-match-string 1 ref)))
4041          ;; "In-Reply-To:" has only one msg-id.
4042          ((and (null arg) irt (not (string= irt ""))
4043                (string-match regexp irt))
4044           (setq msg-id (wl-match-string 1 irt)))
4045          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4046                (string-match regexp ref))
4047           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4048           (while (string-match regexp ref)
4049             (setq ref-list
4050                   (append (list
4051                            (wl-match-string 1 ref))
4052                           ref-list))
4053             (setq ref (substring ref (match-end 0)))
4054             (setq i (1+ i)))
4055           (setq msg-id
4056                 (if (null arg) (nth 0 ref-list) ;; previous
4057                   (if (<= arg i) (nth (1- arg) ref-list)
4058                     (nth i ref-list))))))
4059         (set-buffer cur-buf)
4060         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4061       (cond ((and (null msg-id) (null msg-num))
4062              (message "No parent message!")
4063              nil)
4064             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4065              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4066              (message "Searching parent message...done")
4067              t)
4068             ((and msg-num (wl-summary-jump-to-msg msg-num))
4069              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4070              (message "Searching parent message...done")
4071              t)
4072             (t ; failed.
4073              (message "Parent message was not found.")
4074              nil)))))
4075
4076 (defun wl-summary-reply (&optional arg without-setup-hook)
4077   "Reply to current message. Default is \"wide\" reply.
4078 Reply to author if invoked with ARG."
4079   (interactive "P")
4080   (let ((folder wl-summary-buffer-elmo-folder)
4081         (number (wl-summary-message-number))
4082         (summary-buf (current-buffer))
4083         (winconf (current-window-configuration))
4084         mes-buf)
4085     (when number
4086       (save-excursion
4087         (wl-summary-set-message-buffer-or-redisplay))
4088       (setq mes-buf wl-message-buffer)
4089       (wl-message-select-buffer wl-message-buffer)
4090       (set-buffer mes-buf)
4091       (condition-case err
4092           (when (setq mes-buf (wl-message-get-original-buffer))
4093             (wl-draft-reply mes-buf arg summary-buf number)
4094             (wl-draft-reply-position wl-draft-reply-default-position)
4095             (unless without-setup-hook
4096               (run-hooks 'wl-mail-setup-hook)))
4097         (error (set-window-configuration winconf)
4098                (signal (car err)(cdr err))))
4099       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4100       t)))
4101
4102 (defun wl-summary-write ()
4103   "Write a new draft from Summary."
4104   (interactive)
4105   (wl-draft (list (cons 'To ""))
4106             nil nil nil nil (wl-summary-buffer-folder-name))
4107   (run-hooks 'wl-mail-setup-hook)
4108   (mail-position-on-field "To"))
4109
4110 (defvar wl-summary-write-current-folder-functions
4111   '(wl-folder-get-newsgroups
4112     wl-folder-guess-mailing-list-by-refile-rule
4113     wl-folder-guess-mailing-list-by-folder-name)
4114   "Newsgroups or Mailing List address guess functions list.
4115 Call from `wl-summary-write-current-folder'.
4116 When guess function return nil, challenge next guess-function.")
4117
4118 (defun wl-summary-write-current-folder (&optional folder)
4119   "Write message to current FOLDER's newsgroup or mailing-list.
4120 Use function list is `wl-summary-write-current-folder-functions'."
4121   (interactive)
4122   ;; default FOLDER is current buffer folder
4123   (setq folder (or folder (wl-summary-buffer-folder-name)))
4124   (let ((func-list wl-summary-write-current-folder-functions)
4125         guess-list guess-func)
4126     (while func-list
4127       (setq guess-list (funcall (car func-list) folder))
4128       (if (null guess-list)
4129           (setq func-list (cdr func-list))
4130         (setq guess-func (car func-list))
4131         (setq func-list nil)))
4132     (if (null guess-func)
4133         (wl-summary-write)
4134       (unless (or (stringp (nth 0 guess-list))
4135                   (stringp (nth 1 guess-list))
4136                   (stringp (nth 2 guess-list)))
4137         (error "Invalid value return guess function `%s'"
4138                (symbol-name guess-func)))
4139       (wl-draft (list (cons 'To (nth 0 guess-list))
4140                       (cons 'Cc (nth 1 guess-list))
4141                       (cons 'Newsgroups (nth 2 guess-list)))
4142                 nil nil nil nil folder)
4143       (run-hooks 'wl-mail-setup-hook)
4144       (mail-position-on-field "Subject"))))
4145
4146 (defun wl-summary-forward (&optional without-setup-hook)
4147   ""
4148   (interactive)
4149   (let ((folder wl-summary-buffer-elmo-folder)
4150         (number (wl-summary-message-number))
4151         (summary-buf (current-buffer))
4152         (wl-draft-forward t)
4153         mes-buf
4154         entity subject num)
4155     (if (null number)
4156         (message "No message.")
4157       (if (and (elmo-message-use-cache-p folder number)
4158                (eq (elmo-file-cache-status
4159                     (elmo-file-cache-get
4160                      (elmo-message-field folder number 'message-id)))
4161                    'section))
4162           ;; Reload.
4163           (wl-summary-redisplay-internal nil nil 'force-reload)
4164         (wl-summary-redisplay-internal folder number))
4165       (setq mes-buf wl-message-buffer)
4166       (wl-message-select-buffer mes-buf)
4167       ;; get original subject.
4168       (if summary-buf
4169           (save-excursion
4170             (set-buffer summary-buf)
4171             (setq subject
4172                   (or (elmo-message-entity-field
4173                        (elmo-message-entity folder number) 'subject 'decode)
4174                       ""))))
4175       (set-buffer mes-buf)
4176       (wl-draft-forward subject summary-buf number)
4177       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4178       (unless without-setup-hook
4179         (run-hooks 'wl-mail-setup-hook)))))
4180
4181 (defun wl-summary-click (e)
4182   (interactive "e")
4183   (mouse-set-point e)
4184   (wl-summary-read))
4185
4186 (defun wl-summary-read ()
4187   "Proceed reading message in the summary buffer."
4188   (interactive)
4189   (let ((cur-buf (current-buffer)))
4190     (wl-summary-toggle-disp-msg 'on)
4191     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4192       (set-buffer cur-buf)
4193       (if (wl-message-next-page)
4194           (wl-summary-down t)))))
4195
4196 (defsubst wl-summary-cursor-move-surface (downward interactive)
4197   (if wl-summary-move-direction-toggle
4198       (setq wl-summary-move-direction-downward downward))
4199   (let ((start (point))
4200         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4201         (skip t)
4202         (column (current-column))
4203         goto-next next-entity finfo)
4204     (beginning-of-line)
4205     (while (and skip
4206                 (not (if downward (eobp) (bobp))))
4207       (if downward
4208           (forward-line 1)
4209         (forward-line -1))
4210       (setq skip (or (string-match skip-tmark-regexp
4211                                    (wl-summary-temp-mark))
4212                      (not (and (wl-summary-message-number)
4213                                (elmo-message-accessible-p
4214                                 wl-summary-buffer-elmo-folder
4215                                 (wl-summary-message-number)))))))
4216     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4217     (if (or (eobp) (and (bobp) skip))
4218         (goto-char start))
4219     (move-to-column column)
4220
4221     (if (not goto-next)
4222         (if wl-summary-buffer-disp-msg
4223             (wl-summary-redisplay))
4224       (if interactive
4225           (cond
4226            ((and (not downward) wl-summary-buffer-prev-folder-function)
4227             (funcall wl-summary-buffer-prev-folder-function))
4228            ((and downward wl-summary-buffer-next-folder-function)
4229             (funcall wl-summary-buffer-next-folder-function))
4230            (t
4231             (when wl-auto-select-next
4232               (setq next-entity
4233                     (if downward
4234                         (wl-summary-get-next-folder)
4235                       (wl-summary-get-prev-folder)))
4236               (if next-entity
4237                   (setq finfo (wl-folder-get-entity-info next-entity))))
4238             (wl-ask-folder
4239              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4240              (format
4241               "No more messages. Type SPC to go to %s."
4242               (wl-summary-entity-info-msg next-entity finfo)))))))))
4243
4244 (defun wl-summary-prev (&optional interactive)
4245   (interactive)
4246   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4247
4248 (defun wl-summary-next (&optional interactive)
4249   (interactive)
4250   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4251
4252 (defun wl-summary-up (&optional interactive skip-no-unread)
4253   ""
4254   (interactive)
4255   (if wl-summary-move-direction-toggle
4256       (setq wl-summary-move-direction-downward nil))
4257   (if (wl-summary-cursor-up)
4258       (if wl-summary-buffer-disp-msg
4259           (wl-summary-redisplay))
4260     (if (or interactive
4261             (interactive-p))
4262         (if wl-summary-buffer-prev-folder-function
4263             (funcall wl-summary-buffer-prev-folder-function)
4264           (let (next-entity finfo)
4265             (when wl-auto-select-next
4266               (progn
4267                 (setq next-entity (wl-summary-get-prev-unread-folder))
4268                 (if next-entity
4269                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4270             (if (and skip-no-unread
4271                      (eq wl-auto-select-next 'skip-no-unread))
4272                 (wl-summary-next-folder-or-exit next-entity t)
4273               (wl-ask-folder
4274                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4275                (format
4276                 "No more unread messages. Type SPC to go to %s."
4277                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4278
4279 (defun wl-summary-get-prev-folder ()
4280   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4281         last-entity cur-id)
4282     (when folder-buf
4283       (setq cur-id (save-excursion (set-buffer folder-buf)
4284                                    wl-folder-buffer-cur-entity-id))
4285       (wl-folder-get-prev-folder cur-id))))
4286
4287 (defun wl-summary-get-next-folder ()
4288   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4289         cur-id)
4290     (when folder-buf
4291       (setq cur-id (save-excursion (set-buffer folder-buf)
4292                                    wl-folder-buffer-cur-entity-id))
4293       (wl-folder-get-next-folder cur-id))))
4294
4295 (defun wl-summary-get-next-unread-folder ()
4296   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4297         cur-id)
4298     (when folder-buf
4299       (setq cur-id (save-excursion (set-buffer folder-buf)
4300                                    wl-folder-buffer-cur-entity-id))
4301       (wl-folder-get-next-folder cur-id 'unread))))
4302
4303 (defun wl-summary-get-prev-unread-folder ()
4304   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4305         cur-id)
4306     (when folder-buf
4307       (setq cur-id (save-excursion (set-buffer folder-buf)
4308                                    wl-folder-buffer-cur-entity-id))
4309       (wl-folder-get-prev-folder cur-id 'unread))))
4310
4311 (defun wl-summary-down (&optional interactive skip-no-unread)
4312   (interactive)
4313   (if wl-summary-move-direction-toggle
4314       (setq wl-summary-move-direction-downward t))
4315   (if (wl-summary-cursor-down)
4316       (if wl-summary-buffer-disp-msg
4317           (wl-summary-redisplay))
4318     (if (or interactive
4319             (interactive-p))
4320         (if wl-summary-buffer-next-folder-function
4321             (funcall wl-summary-buffer-next-folder-function)
4322           (let (next-entity finfo)
4323             (when wl-auto-select-next
4324               (setq next-entity (wl-summary-get-next-unread-folder)))
4325             (if next-entity
4326                 (setq finfo (wl-folder-get-entity-info next-entity)))
4327             (if (and skip-no-unread
4328                      (eq wl-auto-select-next 'skip-no-unread))
4329                 (wl-summary-next-folder-or-exit next-entity)
4330               (wl-ask-folder
4331                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4332                (format
4333                 "No more unread messages. Type SPC to go to %s."
4334                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4335
4336 (defun wl-summary-goto-last-displayed-msg ()
4337   (interactive)
4338   (unless wl-summary-buffer-last-displayed-msg
4339     (setq wl-summary-buffer-last-displayed-msg
4340           wl-summary-buffer-current-msg))
4341   (if wl-summary-buffer-last-displayed-msg
4342       (progn
4343         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4344         (if wl-summary-buffer-disp-msg
4345             (wl-summary-redisplay)))
4346     (message "No last message.")))
4347
4348 (defun wl-summary-redisplay (&optional arg)
4349   (interactive "P")
4350   (if (and (not arg)
4351            (wl-summary-no-mime-p wl-summary-buffer-elmo-folder))
4352       (wl-summary-redisplay-no-mime)
4353     (wl-summary-redisplay-internal nil nil arg)))
4354
4355 (defun wl-summary-redisplay-internal (&optional folder number force-reload)
4356   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4357          (num (or number (wl-summary-message-number)))
4358          (wl-mime-charset      wl-summary-buffer-mime-charset)
4359          (default-mime-charset wl-summary-buffer-mime-charset)
4360          no-folder-mark fld-buf fld-win thr-entity
4361          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4362                                          (and force-reload
4363                                               elmo-message-fetch-threshold))))
4364     (if (and wl-thread-open-reading-thread
4365              (eq wl-summary-buffer-view 'thread)
4366              (not (wl-thread-entity-get-opened
4367                    (setq thr-entity (wl-thread-get-entity
4368                                      num))))
4369              (wl-thread-entity-get-children thr-entity))
4370         (wl-thread-force-open))
4371     (if num
4372         (progn
4373           (setq wl-summary-buffer-disp-msg t)
4374           (setq wl-summary-buffer-last-displayed-msg
4375                 wl-summary-buffer-current-msg)
4376           ;; hide folder window
4377           (if (and (not wl-stay-folder-window)
4378                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4379               (if (setq fld-win (get-buffer-window fld-buf))
4380                   (delete-window fld-win)))
4381           (setq wl-current-summary-buffer (current-buffer))
4382           (setq no-folder-mark
4383                 ;; If cache is used, change folder-mark.
4384                 (if (wl-message-redisplay folder num
4385                                           'mime
4386                                           (or
4387                                            force-reload
4388                                            (string= (elmo-folder-name-internal
4389                                                      folder)
4390                                                     wl-draft-folder)))
4391                     nil
4392                   ;; plugged, then leave folder-mark.
4393                   (if (and (not (elmo-folder-local-p
4394                                  wl-summary-buffer-elmo-folder))
4395                            (elmo-folder-plugged-p
4396                             wl-summary-buffer-elmo-folder))
4397                       'leave)))
4398           (when (elmo-message-use-cache-p folder num)
4399             (elmo-message-set-cached folder num t))
4400           (ignore-errors
4401             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4402                                         num
4403                                         'unread)
4404                 (wl-summary-mark-as-read num no-folder-mark)
4405               (wl-summary-update-persistent-mark)))
4406           (setq wl-summary-buffer-current-msg num)
4407           (when wl-summary-recenter
4408             (recenter (/ (- (window-height) 2) 2))
4409             (if (not wl-summary-indent-length-limit)
4410                 (wl-horizontal-recenter)))
4411           (wl-highlight-summary-displaying)
4412           (wl-message-buffer-prefetch-next folder num
4413                                            wl-message-buffer-prefetch-depth
4414                                            (current-buffer)
4415                                            wl-summary-buffer-mime-charset)
4416           (run-hooks 'wl-summary-redisplay-hook))
4417       (message "No message to display."))))
4418
4419 (defun wl-summary-redisplay-no-mime (&optional ask-coding)
4420   "Display message without MIME decoding.
4421 If ASK-CODING is non-nil, coding-system for the message is asked."
4422   (interactive "P")
4423   (let ((elmo-mime-display-as-is-coding-system
4424          (if ask-coding
4425              (or (read-coding-system "Coding system: ")
4426                  elmo-mime-display-as-is-coding-system)
4427            elmo-mime-display-as-is-coding-system)))
4428     (wl-summary-redisplay-no-mime-internal)))
4429
4430 (defun wl-summary-redisplay-no-mime-internal (&optional folder number)
4431   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
4432          (num (or number (wl-summary-message-number)))
4433          wl-break-pages)
4434     (if num
4435         (progn
4436           (setq wl-summary-buffer-disp-msg t)
4437           (setq wl-summary-buffer-last-displayed-msg
4438                 wl-summary-buffer-current-msg)
4439           (setq wl-current-summary-buffer (current-buffer))
4440           (wl-message-redisplay fld num 'as-is
4441                                 (string= (elmo-folder-name-internal fld)
4442                                          wl-draft-folder))
4443           (when (elmo-message-use-cache-p fld num)
4444             (elmo-message-set-cached fld num t))
4445           (ignore-errors
4446             (if (elmo-message-flagged-p fld num 'unread)
4447                 (wl-summary-mark-as-read num); no-folder-mark)
4448               (wl-summary-update-persistent-mark)))
4449           (setq wl-summary-buffer-current-msg num)
4450           (when wl-summary-recenter
4451             (recenter (/ (- (window-height) 2) 2))
4452             (if (not wl-summary-indent-length-limit)
4453                 (wl-horizontal-recenter)))
4454           (wl-highlight-summary-displaying)
4455           (run-hooks 'wl-summary-redisplay-hook))
4456       (message "No message to display.")
4457       (wl-ask-folder 'wl-summary-exit
4458                      "No more messages. Type SPC to go to folder mode."))))
4459
4460 (defun wl-summary-redisplay-all-header (&optional folder number)
4461   (interactive)
4462   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
4463          (num (or number (wl-summary-message-number)))
4464          (wl-mime-charset      wl-summary-buffer-mime-charset)
4465          (default-mime-charset wl-summary-buffer-mime-charset))
4466     (if num
4467         (progn
4468           (setq wl-summary-buffer-disp-msg t)
4469           (setq wl-summary-buffer-last-displayed-msg
4470                 wl-summary-buffer-current-msg)
4471           (setq wl-current-summary-buffer (current-buffer))
4472           (when (elmo-message-use-cache-p fld num)
4473             (elmo-message-set-cached fld num t))
4474           (if (wl-message-redisplay fld num 'all-header
4475                                     (string= (elmo-folder-name-internal fld)
4476                                              wl-draft-folder))
4477               (wl-summary-mark-as-read num))
4478           (setq wl-summary-buffer-current-msg num)
4479           (when wl-summary-recenter
4480             (recenter (/ (- (window-height) 2) 2))
4481             (if (not wl-summary-indent-length-limit)
4482                 (wl-horizontal-recenter)))
4483           (wl-highlight-summary-displaying)
4484           (run-hooks 'wl-summary-redisplay-hook))
4485       (message "No message to display."))))
4486
4487 (defun wl-summary-jump-to-current-message ()
4488   "Jump into Message buffer."
4489   (interactive)
4490   (let (message-buf message-win)
4491     (if (setq message-buf wl-message-buffer)
4492         (if (setq message-win (get-buffer-window message-buf))
4493             (select-window message-win)
4494           (wl-message-select-buffer wl-message-buffer))
4495       (wl-summary-redisplay)
4496       (wl-message-select-buffer wl-message-buffer))))
4497
4498 (defun wl-summary-cancel-message ()
4499   "Cancel an article on news."
4500   (interactive)
4501   (if (null (wl-summary-message-number))
4502       (message "No message.")
4503     (let ((summary-buf (current-buffer))
4504           message-buf)
4505       (wl-summary-set-message-buffer-or-redisplay)
4506       (if (setq message-buf (wl-message-get-original-buffer))
4507           (set-buffer message-buf))
4508       (unless (wl-message-news-p)
4509         (set-buffer summary-buf)
4510         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4511                      'nntp)
4512                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4513             (progn
4514               (wl-summary-redisplay t)
4515               (wl-summary-supersedes-message))
4516           (error "This is not a news article; supersedes is impossible")))
4517       (when (yes-or-no-p "Do you really want to cancel this article? ")
4518         (let (from newsgroups message-id distribution buf)
4519           (save-excursion
4520             (setq from (std11-field-body "from")
4521                   newsgroups (std11-field-body "newsgroups")
4522                   message-id (std11-field-body "message-id")
4523                   distribution (std11-field-body "distribution"))
4524             ;; Make sure that this article was written by the user.
4525             (unless (wl-address-user-mail-address-p
4526                      (wl-address-header-extract-address
4527                       (car (wl-parse-addresses from))))
4528               (error "This article is not yours"))
4529             ;; Make control message.
4530             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4531             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4532             (buffer-disable-undo (current-buffer))
4533             (erase-buffer)
4534             (insert "Newsgroups: " newsgroups "\n"
4535                     "From: " (wl-address-header-extract-address
4536                               wl-from) "\n"
4537                               "Subject: cmsg cancel " message-id "\n"
4538                               "Control: cancel " message-id "\n"
4539                               (if distribution
4540                                   (concat "Distribution: " distribution "\n")
4541                                 "")
4542                               mail-header-separator "\n"
4543                               wl-summary-cancel-message)
4544             (message "Canceling your message...")
4545             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4546             (message "Canceling your message...done")))))))
4547
4548 (defun wl-summary-supersedes-message ()
4549   "Supersede current message."
4550   (interactive)
4551   (wl-summary-toggle-disp-msg 'off)
4552   (let ((summary-buf (current-buffer))
4553         message-buf from)
4554     (wl-summary-set-message-buffer-or-redisplay)
4555     (if (setq message-buf (wl-message-get-original-buffer))
4556         (set-buffer message-buf))
4557     (unless (wl-message-news-p)
4558       (set-buffer summary-buf)
4559       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4560                    'nntp)
4561                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4562           (progn
4563             (wl-summary-redisplay t)
4564             (wl-summary-supersedes-message))
4565         (error "This is not a news article; supersedes is impossible")))
4566     (save-excursion
4567       (setq from (std11-field-body "from"))
4568       ;; Make sure that this article was written by the user.
4569       (unless (wl-address-user-mail-address-p
4570                (wl-address-header-extract-address
4571                 (car (wl-parse-addresses from))))
4572         (error "This article is not yours"))
4573       (let* ((message-id (std11-field-body "message-id"))
4574              (followup-to (std11-field-body "followup-to"))
4575              (mail-default-headers
4576               (concat mail-default-headers
4577                       "Supersedes: " message-id "\n"
4578                       (and followup-to
4579                            (concat "Followup-To: " followup-to "\n")))))
4580         (if message-buf (set-buffer message-buf))
4581         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4582
4583 (defun wl-summary-save (&optional arg wl-save-dir)
4584   "Save current message to disk."
4585   (interactive)
4586   (let ((filename)
4587         (num (wl-summary-message-number)))
4588     (if (null wl-save-dir)
4589         (setq wl-save-dir wl-temporary-file-directory))
4590     (if num
4591         (save-excursion
4592           (setq filename (expand-file-name
4593                           (concat (int-to-string num)
4594                                   wl-summary-save-file-suffix)
4595                           wl-save-dir))
4596           (if (null (and arg
4597                          (null (file-exists-p filename))))
4598               (setq filename
4599                     (read-file-name "Save to file: " filename)))
4600
4601           (wl-summary-set-message-buffer-or-redisplay)
4602           (set-buffer (wl-message-get-original-buffer))
4603           (if (and (null arg) (file-exists-p filename))
4604               (if (y-or-n-p "File already exists.  override it? ")
4605                   (write-region (point-min) (point-max) filename))
4606             (write-region (point-min) (point-max) filename)))
4607       (message "No message to save."))
4608     num))
4609
4610 (defun wl-summary-save-region (beg end)
4611   (interactive "r")
4612   (save-excursion
4613     (save-restriction
4614       (wl-summary-narrow-to-region beg end)
4615       (goto-char (point-min))
4616       (let ((wl-save-dir
4617              (wl-read-directory-name "Save to directory: "
4618                                      wl-temporary-file-directory)))
4619         (if (null (file-exists-p wl-save-dir))
4620             (make-directory wl-save-dir))
4621         (if (eq wl-summary-buffer-view 'thread)
4622             (progn
4623               (while (not (eobp))
4624                 (let* ((number (wl-summary-message-number))
4625                        (entity (wl-thread-get-entity number)))
4626                   (if (wl-thread-entity-get-opened entity)
4627                       (wl-summary-save t wl-save-dir)
4628                     ;; closed
4629                     (wl-summary-save t wl-save-dir))
4630                   (forward-line 1))))
4631           (while (not (eobp))
4632             (wl-summary-save t wl-save-dir)
4633             (forward-line 1)))))))
4634
4635 ;; mew-summary-pipe-message()
4636 (defun wl-summary-pipe-message (prefix command)
4637   "Send this message via pipe."
4638   (interactive (list current-prefix-arg nil))
4639   (if (null (wl-summary-message-number))
4640       (message "No message.")
4641     (setq command (read-string "Shell command on message: "
4642                                wl-summary-shell-command-last))
4643     (if (y-or-n-p "Send this message to pipe? ")
4644         (wl-summary-pipe-message-subr prefix command))))
4645
4646 (defun wl-summary-target-mark-pipe (prefix command)
4647   "Send each marked messages via pipe."
4648   (interactive (list current-prefix-arg nil))
4649   (if (null wl-summary-buffer-target-mark-list)
4650       (message "No marked message.")
4651     (setq command (read-string "Shell command on each marked message: "
4652                                wl-summary-shell-command-last))
4653     (when (y-or-n-p "Send each marked message to pipe? ")
4654       (while (car wl-summary-buffer-target-mark-list)
4655         (let ((num (car wl-summary-buffer-target-mark-list)))
4656           (wl-thread-jump-to-msg num)
4657           (wl-summary-pipe-message-subr prefix command)
4658           (wl-summary-unmark))))))
4659
4660 (defun wl-summary-pipe-message-subr (prefix command)
4661   (save-excursion
4662     (wl-summary-set-message-buffer-or-redisplay)
4663     (set-buffer (wl-message-get-original-buffer))
4664     (if (string= command "")
4665         (setq command wl-summary-shell-command-last))
4666     (goto-char (point-min)) ; perhaps this line won't be necessary
4667     (if prefix
4668         (search-forward "\n\n"))
4669     (shell-command-on-region (point) (point-max) command nil)
4670     (setq wl-summary-shell-command-last command)))
4671
4672 (defun wl-summary-print-message (&optional arg)
4673   (interactive "P")
4674   (if (null (wl-summary-message-number))
4675       (message "No message.")
4676     (save-excursion
4677       (wl-summary-set-message-buffer-or-redisplay)
4678       (if (or (not (interactive-p))
4679               (y-or-n-p "Print ok? "))
4680           (progn
4681             (let ((buffer (generate-new-buffer " *print*")))
4682               (copy-to-buffer buffer (point-min) (point-max))
4683               (set-buffer buffer)
4684               (funcall wl-print-buffer-function)
4685               (kill-buffer buffer)))
4686         (message "")))))
4687
4688 (defun wl-summary-print-message-with-ps-print (&optional filename)
4689   "Print message via ps-print."
4690   (interactive)
4691   (if (null (wl-summary-message-number))
4692       (message "No message.")
4693     (setq filename (ps-print-preprint current-prefix-arg))
4694     (if (or (not (interactive-p))
4695             (y-or-n-p "Print ok? "))
4696         (let ((summary-buffer (current-buffer))
4697               wl-break-pages)
4698           (save-excursion
4699             (wl-summary-set-message-buffer-or-redisplay)
4700             ;; (wl-summary-redisplay-internal)
4701             (let* ((buffer (generate-new-buffer " *print*"))
4702                    (entity (progn
4703                              (set-buffer summary-buffer)
4704                              (elmo-message-entity
4705                               wl-summary-buffer-elmo-folder
4706                               (wl-summary-message-number))))
4707                    (wl-ps-subject
4708                     (and entity
4709                          (or (elmo-message-entity-field entity 'subject t)
4710                              "")))
4711                    (wl-ps-from
4712                     (and entity
4713                          (or (elmo-message-entity-field entity 'from t) "")))
4714                    (wl-ps-date
4715                     (and entity
4716                          (or (elmo-message-entity-field entity 'date) ""))))
4717               (run-hooks 'wl-ps-preprint-hook)
4718               (set-buffer wl-message-buffer)
4719               (copy-to-buffer buffer (point-min) (point-max))
4720               (set-buffer buffer)
4721               (unwind-protect
4722                   (let ((ps-left-header
4723                          (list (concat "(" wl-ps-subject ")")
4724                                (concat "(" wl-ps-from ")")))
4725                         (ps-right-header
4726                          (list "/pagenumberstring load"
4727                                (concat "(" wl-ps-date ")"))))
4728                     (run-hooks 'wl-ps-print-hook)
4729                     (funcall wl-ps-print-buffer-function filename))
4730                 (kill-buffer buffer)))))
4731       (message ""))))
4732
4733 (if (featurep 'ps-print) ; ps-print is available.
4734     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4735
4736 (defun wl-summary-target-mark-print ()
4737   (interactive)
4738   (if (null wl-summary-buffer-target-mark-list)
4739       (message "No marked message.")
4740     (when (y-or-n-p "Print all marked messages. OK? ")
4741       (while (car wl-summary-buffer-target-mark-list)
4742         (let ((num (car wl-summary-buffer-target-mark-list)))
4743           (wl-thread-jump-to-msg num)
4744           (wl-summary-print-message)
4745           (wl-summary-unmark))))))
4746
4747 (defun wl-summary-folder-info-update ()
4748   (wl-folder-set-folder-updated
4749    (elmo-string (wl-summary-buffer-folder-name))
4750    (list 0
4751          wl-summary-buffer-unread-count
4752          (elmo-folder-length
4753           wl-summary-buffer-elmo-folder))))
4754
4755 (defun wl-summary-get-original-buffer ()
4756   "Get original buffer for the current summary."
4757   (save-excursion
4758     (wl-summary-set-message-buffer-or-redisplay)
4759     (wl-message-get-original-buffer)))
4760
4761 (defun wl-summary-pack-number (&optional arg)
4762   (interactive "P")
4763   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4764   (let (wl-use-scoring)
4765     (wl-summary-rescan nil nil t)))
4766
4767 (defun wl-summary-target-mark-uudecode ()
4768   (interactive)
4769   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4770         (summary-buf (current-buffer))
4771         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4772         orig-buf i k filename rc errmsg)
4773     (setq i 1)
4774     (setq k (length mlist))
4775     (set-buffer tmp-buf)
4776     (erase-buffer)
4777     (save-window-excursion
4778       (while mlist
4779         (set-buffer summary-buf)
4780         (wl-summary-jump-to-msg (car mlist))
4781         (wl-summary-redisplay)
4782         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4783         (goto-char (point-min))
4784         (cond ((= i 1) ; first
4785                (if (setq filename (wl-message-uu-substring
4786                                    orig-buf tmp-buf t
4787                                    (= i k)))
4788                    nil
4789                  (error "Can't find begin line")))
4790               ((< i k)
4791                (wl-message-uu-substring orig-buf tmp-buf))
4792               (t ; last
4793                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4794         (setq i (1+ i))
4795         (setq mlist (cdr mlist)))
4796       (set-buffer tmp-buf)
4797       (message "Exec %s..." wl-prog-uudecode)
4798       (unwind-protect
4799           (let ((decode-dir wl-temporary-file-directory))
4800             (if (not wl-prog-uudecode-no-stdout-option)
4801                 (setq filename (read-file-name "Save to file: "
4802                                                (expand-file-name
4803                                                 (elmo-safe-filename filename)
4804                                                 wl-temporary-file-directory)))
4805               (setq decode-dir
4806                     (wl-read-directory-name "Save to directory: "
4807                                             wl-temporary-file-directory))
4808               (setq filename (expand-file-name filename decode-dir)))
4809             (if (file-exists-p filename)
4810                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4811                                          filename))
4812                     (error "")))
4813             (elmo-bind-directory
4814              decode-dir
4815              (setq rc
4816                    (as-binary-process
4817                     (apply 'call-process-region (point-min) (point-max)
4818                            wl-prog-uudecode t (current-buffer) nil
4819                            wl-prog-uudecode-arg))))
4820             (when (not (= 0 rc))
4821               (setq errmsg (buffer-substring (point-min)(point-max)))
4822               (error "Uudecode error: %s" errmsg))
4823             (if (not wl-prog-uudecode-no-stdout-option)
4824                 (let (file-name-handler-alist) ;; void jka-compr
4825                   (as-binary-output-file
4826                    (write-region (point-min) (point-max)
4827                                  filename nil 'no-msg))))
4828             (save-excursion
4829               (set-buffer summary-buf)
4830               (wl-summary-delete-all-target-marks))
4831             (if (file-exists-p filename)
4832                 (message "Saved as %s" filename)))
4833         (kill-buffer tmp-buf)))))
4834
4835 ;; Someday
4836 ;; (defun wl-summary-drop-unsync ()
4837 ;;   "Drop all unsync messages."
4838 ;;   (interactive)
4839 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4840 ;;       (error "You cannot drop unsync messages in this folder"))
4841 ;;   (if (or (not (interactive-p))
4842 ;;        (y-or-n-p "Drop all unsync messages? "))
4843 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4844 ;;                         (wl-summary-buffer-folder-name)))
4845 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4846 ;;           (sum 0)
4847 ;;           (multi-num 0)
4848 ;;           pair)
4849 ;;      (message "Dropping...")
4850 ;;      (while folder-list
4851 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4852 ;;        (when is-multi ;; dirty hack...
4853 ;;          (incf multi-num)
4854 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4855 ;;                          (car pair))))
4856 ;;        (elmo-msgdb-set-number-alist
4857 ;;         (wl-summary-buffer-msgdb)
4858 ;;         (nconc
4859 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4860 ;;          (list (cons (car pair) nil))))
4861 ;;        (setq sum (+ sum (cdr pair)))
4862 ;;        (setq folder-list (cdr folder-list)))
4863 ;;      (wl-summary-set-message-modified)
4864 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
4865 ;;                                    (list 0
4866 ;;                                          (+ wl-summary-buffer-unread-count
4867 ;;                                             wl-summary-buffer-new-count)
4868 ;;                                          sum))
4869 ;;      (message "Dropping...done"))))
4870
4871 (defun wl-summary-default-get-next-msg (msg)
4872   (or (wl-summary-next-message msg
4873                                (if wl-summary-move-direction-downward 'down
4874                                  'up)
4875                                nil)
4876       (cadr (memq msg (if wl-summary-move-direction-downward
4877                           wl-summary-buffer-number-list
4878                         (reverse wl-summary-buffer-number-list))))))
4879
4880 (defun wl-summary-save-current-message ()
4881   "Save current message for `wl-summary-yank-saved-message'."
4882   (interactive)
4883   (let ((number (wl-summary-message-number)))
4884     (setq wl-summary-buffer-saved-message number)
4885     (and number (message "No: %s is saved." number))))
4886
4887 (defun wl-summary-yank-saved-message ()
4888   "Set current message as a parent of the saved message."
4889   (interactive)
4890   (if wl-summary-buffer-saved-message
4891       (let ((number (wl-summary-message-number)))
4892         (if (eq wl-summary-buffer-saved-message number)
4893             (message "Cannot set itself as a parent.")
4894           (save-excursion
4895             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
4896             (wl-thread-set-parent number)
4897             (wl-summary-set-thread-modified))
4898           (setq  wl-summary-buffer-saved-message nil)))
4899     (message "There's no saved message.")))
4900
4901 (defun wl-summary-toggle-header-narrowing ()
4902   "Toggle message header narrowing."
4903   (interactive)
4904   (when wl-message-use-header-narrowing
4905     (save-selected-window
4906       (let* ((mbuf wl-message-buffer)
4907              (mwin (when mbuf (get-buffer-window mbuf)))
4908              (wpos (when mwin (window-start mwin))))
4909         (when mbuf
4910           (set-buffer mbuf)
4911           (wl-message-header-narrowing-toggle)
4912           (and wpos (set-window-start mwin wpos)))))))
4913
4914 (require 'product)
4915 (product-provide (provide 'wl-summary) (require 'wl-version))
4916
4917 ;;; wl-summary.el ends here