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-flags)
  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 (defvar wl-summary-buffer-display-mime-mode 'mime)
 113 (defvar wl-summary-buffer-display-all-header nil)
 114 (defvar wl-summary-buffer-event-handler nil)
 115
 116 (defvar wl-thread-indent-level-internal nil)
 117 (defvar wl-thread-have-younger-brother-str-internal nil)
 118 (defvar wl-thread-youngest-child-str-internal nil)
 119 (defvar wl-thread-vertical-str-internal nil)
 120 (defvar wl-thread-horizontal-str-internal nil)
 121 (defvar wl-thread-space-str-internal nil)
 122 (defvar wl-summary-last-visited-folder nil)
 123 (defvar wl-read-folder-history nil)
 124 (defvar wl-summary-scored nil)
 125 (defvar wl-crosspost-alist-modified nil)
 126 (defvar wl-summary-alike-hashtb nil)
 127 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 128 (defvar wl-summary-delayed-update nil)
 129 (defvar wl-summary-search-buf-folder-name nil)
 130
 131 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 132
 133 (defvar wl-summary-shell-command-last "")
 134
 135 (defvar wl-ps-preprint-hook nil)
 136 (defvar wl-ps-print-hook nil)
 137
 138 (defvar wl-thread-saved-entity-hashtb-internal nil)
 139
 140 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 141 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 142 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 143 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 144 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 146 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 147 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 148 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 150 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 151 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 152 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 153 (make-variable-buffer-local 'wl-summary-buffer-view)
 154 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 155 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 156 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 157 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 159 (make-variable-buffer-local 'wl-summary-buffer-unsync-mark-number-list)
 160 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 161 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 162 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 163 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 164 (make-variable-buffer-local 'wl-summary-scored)
 165 (make-variable-buffer-local 'wl-summary-default-score)
 166 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 167 (make-variable-buffer-local 'wl-summary-important-above)
 168 (make-variable-buffer-local 'wl-summary-target-above)
 169 (make-variable-buffer-local 'wl-summary-mark-below)
 170 (make-variable-buffer-local 'wl-summary-expunge-below)
 171 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 172 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 173 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 174 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 175 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 176 (make-variable-buffer-local 'wl-thread-space-str-internal)
 177 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 179 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 180 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 181 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 182 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 183 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 184 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 185 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 186 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 187 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 188 (make-variable-buffer-local 'wl-summary-buffer-display-mime-mode)
 189 (make-variable-buffer-local 'wl-summary-buffer-display-all-header)
 190 (make-variable-buffer-local 'wl-summary-buffer-event-handler)
 191
 192 (defvar wl-datevec)
 193 (defvar wl-thr-indent-string)
 194 (defvar wl-thr-children-number)
 195 (defvar wl-thr-linked)
 196 (defvar wl-message-entity)
 197 (defvar wl-parent-message-entity)
 198 (defvar wl-temp-mark)
 199 (defvar wl-persistent-mark)
 200
 201 (defmacro wl-summary-sticky-buffer-name (name)
 202   (` (concat wl-summary-buffer-name ":" (, name))))
 203
 204 (defun wl-summary-default-subject (subject-string)
 205   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 206       (substring subject-string (match-end 0))
 207     subject-string))
 208
 209 (defun wl-summary-default-from (from)
 210   "Instance of `wl-summary-from-function'.
 211 Ordinarily returns the sender name. Returns recipient names if (1)
 212 summary's folder name matches with `wl-summary-showto-folder-regexp'
 213 and (2) sender address is yours.
 214
 215 See also variable `wl-use-petname'."
 216   (let (retval tos ng)
 217     (unless
 218         (and (eq major-mode 'wl-summary-mode)
 219              (stringp wl-summary-showto-folder-regexp)
 220              (string-match wl-summary-showto-folder-regexp
 221                            (wl-summary-buffer-folder-name))
 222              (wl-address-user-mail-address-p from)
 223              (cond
 224               ((and (setq tos (elmo-message-entity-field
 225                                wl-message-entity 'to t))
 226                     (not (string= "" tos)))
 227                (setq retval
 228                      (concat "To:"
 229                              (mapconcat
 230                               (function
 231                                (lambda (to)
 232                                  (eword-decode-string
 233                                   (if wl-use-petname
 234                                       (or
 235                                        (funcall
 236                                         wl-summary-get-petname-function to)
 237                                        (car
 238                                         (std11-extract-address-components to))
 239                                        to)
 240                                     to))))
 241                               (wl-parse-addresses tos)
 242                               ","))))
 243               ((setq ng (elmo-message-entity-field
 244                          wl-message-entity 'newsgroups))
 245                (setq retval (concat "Ng:" ng)))))
 246       (if wl-use-petname
 247           (setq retval (or (funcall wl-summary-get-petname-function from)
 248                            (car (std11-extract-address-components from))
 249                            from))
 250         (setq retval from)))
 251     retval))
 252
 253 (defun wl-summary-simple-from (string)
 254   (if wl-use-petname
 255       (or (funcall wl-summary-get-petname-function string)
 256           (car (std11-extract-address-components string))
 257           string)
 258     string))
 259
 260 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 261 (defvar wl-summary-default-sort-spec 'date)
 262
 263 (defvar wl-summary-mode-menu-spec
 264   '("Summary"
 265     ["Read" wl-summary-read t]
 266     ["Prev page" wl-summary-prev-page t]
 267     ["Next page" wl-summary-next-page t]
 268     ["Top"       wl-summary-display-top t]
 269     ["Bottom"    wl-summary-display-bottom t]
 270     ["Prev"      wl-summary-prev t]
 271     ["Next"      wl-summary-next t]
 272     ["Up"        wl-summary-up t]
 273     ["Down"      wl-summary-down t]
 274     ["Parent message" wl-summary-jump-to-parent-message t]
 275     "----"
 276     ["Sync"            wl-summary-sync t]
 277     ["Execute"         wl-summary-exec t]
 278     ["Go to other folder" wl-summary-goto-folder t]
 279     ["Pick" wl-summary-pick t]
 280     ["Mark as read all" wl-summary-mark-as-read-all t]
 281     ["Unmark all"      wl-summary-unmark-all t]
 282     ["Toggle display message" wl-summary-toggle-disp-msg t]
 283     ["Display folder" wl-summary-toggle-disp-folder t]
 284     ["Toggle threading" wl-summary-toggle-thread t]
 285     ["Stick" wl-summary-stick t]
 286     ("Sort"
 287      ["By Number" wl-summary-sort-by-number t]
 288      ["By Size" wl-summary-sort-by-size t]
 289      ["By Date" wl-summary-sort-by-date t]
 290      ["By From" wl-summary-sort-by-from t]
 291      ["By Subject" wl-summary-sort-by-subject t]
 292      ["By List Info" wl-summary-sort-by-list-info t])
 293     "----"
 294     ("Message Operation"
 295      ["Mark as read"    wl-summary-mark-as-read t]
 296      ["Set flags"       wl-summary-set-flags t]
 297      ["Mark as unread"   wl-summary-mark-as-unread t]
 298      ["Mark as answered" wl-summary-mark-as-answered t]
 299      ["Set dispose mark" wl-summary-dispose t]
 300      ["Set refile mark" wl-summary-refile t]
 301      ["Set copy mark"   wl-summary-copy t]
 302      ["Set resend mark" wl-summary-resend t]
 303      ["Prefetch"        wl-summary-prefetch t]
 304      ["Set target mark" wl-summary-target-mark t]
 305      ["Unmark"          wl-summary-unmark t]
 306      ["Save"            wl-summary-save t]
 307      ["Cancel posted news" wl-summary-cancel-message t]
 308      ["Supersedes message" wl-summary-supersedes-message t]
 309      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 310      ["Enter the message" wl-summary-jump-to-current-message t]
 311      ["Pipe message" wl-summary-pipe-message t]
 312      ["Print message" wl-summary-print-message t])
 313     ("Thread Operation"
 314      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 315      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 316      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 317      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 318      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 319      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 320      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 321      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 322      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 323      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 324      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 325      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 326      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 327      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 328      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 329     ("Region Operation"
 330      ["Mark as read" wl-summary-mark-as-read-region t]
 331      ["Set flags" wl-summary-set-flags-region t]
 332      ["Mark as unread" wl-summary-mark-as-unread-region t]
 333      ["Mark as answered" wl-summary-mark-as-answered-region t]
 334      ["Set dispose mark" wl-summary-dispose-region t]
 335      ["Set refile mark" wl-summary-refile-region t]
 336      ["Set copy mark" wl-summary-copy-region t]
 337      ["Prefetch" wl-summary-prefetch-region t]
 338      ["Set target mark" wl-summary-target-mark-region t]
 339      ["Unmark" wl-summary-unmark-region t]
 340      ["Save" wl-summary-save-region t]
 341      ["Execute" wl-summary-exec-region t])
 342     ("Mark Operation"
 343      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 344      ["Set flags" wl-summary-target-mark-set-flags t]
 345      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 346      ["Set delete mark" wl-summary-target-mark-delete t]
 347      ["Set refile mark" wl-summary-target-mark-refile t]
 348      ["Set copy mark" wl-summary-target-mark-copy t]
 349      ["Prefetch" wl-summary-target-mark-prefetch t]
 350      ["Save" wl-summary-target-mark-save t]
 351      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 352      ["Forward" wl-summary-target-mark-forward t]
 353      ["uudecode" wl-summary-target-mark-uudecode t])
 354     ("Score Operation"
 355      ["Switch current score file" wl-score-change-score-file t]
 356      ["Edit current score file" wl-score-edit-current-scores t]
 357      ["Edit score file" wl-score-edit-file t]
 358      ["Set mark below" wl-score-set-mark-below t]
 359      ["Set expunge below" wl-score-set-expunge-below t]
 360      ["Rescore buffer" wl-summary-rescore t]
 361      ["Increase score" wl-summary-increase-score t]
 362      ["Lower score" wl-summary-lower-score t])
 363     "----"
 364     ("Writing Messages"
 365      ["Write a message" wl-summary-write t]
 366      ["Write for current folder" wl-summary-write-current-folder t]
 367      ["Reply" wl-summary-reply t]
 368      ["Reply with citation" wl-summary-reply-with-citation t]
 369      ["Forward" wl-summary-forward t])
 370     "----"
 371     ["Toggle Plug Status" wl-toggle-plugged t]
 372     ["Change Plug Status" wl-plugged-change t]
 373     "----"
 374     ["Exit Current Folder" wl-summary-exit t]))
 375
 376 (if wl-on-xemacs
 377     (defun wl-summary-setup-mouse ()
 378       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 379       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 380       (define-key wl-summary-mode-map [(shift button4)]
 381         'wl-summary-up)
 382       (define-key wl-summary-mode-map [(shift button5)]
 383         'wl-summary-down)
 384       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 385   (defun wl-summary-setup-mouse ()
 386     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 387     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 388     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 389     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 390     ;; For Meadow2
 391     (define-key wl-summary-mode-map [mouse-wheel1]
 392       'wl-summary-wheel-dispatcher)
 393     (define-key wl-summary-mode-map [S-mouse-wheel1]
 394       'wl-summary-wheel-dispatcher)
 395     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 396
 397 (if wl-summary-mode-map
 398     ()
 399   (setq wl-summary-mode-map (make-keymap))
 400   (suppress-keymap wl-summary-mode-map)
 401   (define-key wl-summary-mode-map " "    'wl-summary-read)
 402   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 403   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 404   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 405   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 406   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 407   (define-key wl-summary-mode-map "\r"   'wl-summary-enter-handler)
 408   (define-key wl-summary-mode-map "\C-m" 'wl-summary-enter-handler)
 409   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 410   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 411   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 412   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 413   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 414   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 415   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 416   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 417
 418   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 419   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 420   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 421   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 422   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 423   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 424   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 425   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 426   (define-key wl-summary-mode-map "\M-k"  'wl-summary-toggle-persistent-mark)
 427   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 428   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 429
 430   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 431   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 432   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 433   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 434   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 435   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 436   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 437   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 438   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 439   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 440   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 441   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 442   (define-key wl-summary-mode-map "H"    'wl-summary-toggle-all-header)
 443   (define-key wl-summary-mode-map "M"    'wl-summary-toggle-mime)
 444   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 445   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 446   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 447   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 448   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 449   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 450   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 451
 452   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 453   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 454   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 455   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 456   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 457   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 458
 459   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 460   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 461   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 462   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 463
 464   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 465   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 466   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 467
 468   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 469   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 470   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 471
 472   ;; copy & paste.
 473   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 474   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 475
 476   ;; line commands
 477   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 478   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 479   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 480   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 481   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 482   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 483   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 484   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 485   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 486   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 487   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 488   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 489   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 490
 491   ;; thread commands
 492   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 493   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 494   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 495   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 496   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 497   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 498   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 499   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 500   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 501   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 502   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 503   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 504   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 505   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 506   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 507   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 508   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 509   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 510
 511   ;; target-mark commands
 512   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 513   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 514   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 515   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 516   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 517   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 518   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 519   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 520
 521   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 522
 523   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 524   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 525   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 526   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 527   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 528   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 529   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 530   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 531   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 532   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 533   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 534   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 535   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 536   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 537
 538   ;; region commands
 539   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 540   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 541   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 542   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 543   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 544   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 545   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 546   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 547   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 548   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 549   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 550   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 551   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 552   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 553   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 554   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 555   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 556   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 557
 558   ;; score commands
 559   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 560   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 561   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 562   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 563   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 564   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 565   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 566   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 567   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 568   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 569
 570   ;; misc
 571   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 572   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 573   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 574   ;;
 575   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 576   (wl-summary-setup-mouse)
 577   (easy-menu-define
 578    wl-summary-mode-menu
 579    wl-summary-mode-map
 580    "Menu used in Summary mode."
 581    wl-summary-mode-menu-spec))
 582
 583 (defsubst wl-summary-message-visible-p (number)
 584   "Return non-nil if the message with NUMBER is visible."
 585   (or (eq wl-summary-buffer-view 'sequence)
 586       (not (wl-thread-entity-parent-invisible-p
 587             (wl-thread-get-entity number)))))
 588
 589 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 590   "A function to be called as window-scroll-functions."
 591   (with-current-buffer (window-buffer win)
 592     (when (eq major-mode 'wl-summary-mode)
 593       (let ((beg (or beg (window-start win)))
 594             (end (condition-case nil
 595                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 596                    (error (window-end win))))
 597             number flags)
 598         (save-excursion
 599           (goto-char beg)
 600           (while (and (< (point) end) (not (eobp)))
 601             (when (null (get-text-property (point) 'face))
 602               (setq number (wl-summary-message-number))
 603               (when number
 604                 (setq flags (elmo-message-flags wl-summary-buffer-elmo-folder
 605                                                 number)))
 606               (let (wl-summary-highlight)
 607                 (wl-summary-update-persistent-mark number flags))
 608               (wl-highlight-summary-current-line number flags))
 609             (forward-line 1)))))
 610     (set-buffer-modified-p nil)))
 611
 612 (defun wl-summary-window-scroll-functions ()
 613   (cond ((and wl-summary-highlight
 614               wl-summary-lazy-highlight
 615               wl-summary-lazy-update-mark)
 616          (list 'wl-summary-update-mark-and-highlight-window))
 617         ((and wl-summary-highlight
 618               wl-summary-lazy-highlight)
 619          (list 'wl-highlight-summary-window))
 620         (wl-summary-lazy-update-mark
 621          (list 'wl-summary-update-mark-window))))
 622
 623 ;; Handler of event from elmo-folder
 624 (eval-and-compile
 625   (luna-define-class wl-summary-event-handler (elmo-event-handler)
 626                      (buffer))
 627   (luna-define-internal-accessors 'wl-summary-event-handler))
 628
 629 (luna-define-method elmo-event-handler-flag-changed ((handler
 630                                                       wl-summary-event-handler)
 631                                                      numbers)
 632   (with-current-buffer (wl-summary-event-handler-buffer-internal handler)
 633     (save-excursion
 634       (dolist (number numbers)
 635         (when (and (wl-summary-message-visible-p number)
 636                    (wl-summary-jump-to-msg number))
 637           (wl-summary-update-persistent-mark number))))))
 638
 639 (defun wl-status-update ()
 640   (interactive)
 641   (wl-address-init))
 642
 643 (defun wl-summary-display-top ()
 644   (interactive)
 645   (goto-char (point-min))
 646   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 647   (if wl-summary-buffer-disp-msg
 648       (wl-summary-redisplay)))
 649
 650 (defun wl-summary-display-bottom ()
 651   (interactive)
 652   (goto-char (point-max))
 653   (forward-line -1)
 654   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 655   (if wl-summary-buffer-disp-msg
 656       (wl-summary-redisplay)))
 657
 658 (defun wl-summary-count-unread ()
 659   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 660     (setq wl-summary-buffer-new-count
 661           (or (cdr (assq 'new flag-count)) 0)
 662           wl-summary-buffer-unread-count
 663           (or (cdr (assq 'unread flag-count)) 0)
 664           wl-summary-buffer-answered-count
 665           (or (cdr (assq 'answered flag-count)) 0))
 666     flag-count))
 667
 668 (defun wl-summary-message-string (&optional use-cache)
 669   "Return full body string of current message.
 670 If optional USE-CACHE is non-nil, use cache if exists."
 671   (let ((number (wl-summary-message-number))
 672         (folder wl-summary-buffer-elmo-folder))
 673     (if (null number)
 674         (message "No message.")
 675       (elmo-set-work-buf
 676        (elmo-message-fetch folder
 677                            number
 678                            (elmo-make-fetch-strategy
 679                             'entire
 680                             use-cache ; use cache
 681                             nil ; save cache (should `t'?)
 682                             (and
 683                              use-cache
 684                              (elmo-file-cache-get-path
 685                               (elmo-message-field folder number 'message-id))))
 686                            nil
 687                            (current-buffer)
 688                            'unread)
 689        (buffer-string)))))
 690
 691 (defun wl-summary-reedit (&optional arg)
 692   "Re-edit current message.
 693 If ARG is non-nil, Supersedes message"
 694   (interactive "P")
 695   (wl-summary-toggle-disp-msg 'off)
 696   (cond
 697    ((not (wl-summary-message-number))
 698     (message "No message."))
 699    (arg
 700     (wl-summary-supersedes-message))
 701    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 702     (wl-draft-reedit (wl-summary-message-number))
 703     (if (wl-message-news-p)
 704         (mail-position-on-field "Newsgroups")
 705       (mail-position-on-field "To")))
 706    (t
 707     (wl-draft-edit-string (wl-summary-message-string)))))
 708
 709 (defun wl-summary-resend-bounced-mail ()
 710   "Re-mail the current message.
 711 This only makes sense if the current message is a bounce message which
 712 contains some mail you have written but has been bounced back to
 713 you."
 714   (interactive)
 715   (wl-summary-toggle-disp-msg 'off)
 716   (save-excursion
 717     (wl-summary-set-message-buffer-or-redisplay)
 718     (set-buffer (wl-message-get-original-buffer))
 719     (goto-char (point-min))
 720     (let ((case-fold-search nil))
 721       (cond
 722        ((and
 723          (re-search-forward
 724           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 725          (not (bolp))
 726          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 727         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 728               start)
 729           (cond
 730            ((and (setq start (re-search-forward
 731                               (concat "^--" boundary "\n"
 732                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 733                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 734                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 735                                       "\\(.+\n\\)*\n") nil t))
 736                  (re-search-forward
 737                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 738             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 739            (t
 740             (message "Seems no message/rfc822 part.")))))
 741        ((let ((case-fold-search t))
 742           (re-search-forward wl-rejected-letter-start nil t))
 743         (skip-chars-forward " \t\n")
 744         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 745        (t
 746         (message "Does not appear to be a rejected letter."))))))
 747
 748 (defun wl-summary-detect-mark-position ()
 749   (let ((column wl-summary-buffer-number-column)
 750         (formatter wl-summary-buffer-line-formatter)
 751         (dummy-temp (char-to-string 200))
 752         ;; bind only for the check.
 753         (wl-summary-new-uncached-mark (char-to-string 201))
 754         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 755         (lang wl-summary-buffer-weekday-name-lang)
 756         wl-summary-highlight
 757         temp persistent)
 758     (with-temp-buffer
 759       (setq wl-summary-buffer-number-column column
 760             wl-summary-buffer-line-formatter formatter
 761             wl-summary-buffer-weekday-name-lang lang)
 762       (insert
 763        (wl-summary-create-line
 764         (elmo-msgdb-make-message-entity
 765          (luna-make-entity 'modb-entity-handler)
 766          :number 10000
 767          :from "foo"
 768          :subject "bar"
 769          :size 100)
 770         nil
 771         dummy-temp
 772         '(new)
 773         nil))
 774       (goto-char (point-min))
 775       (setq temp (save-excursion
 776                    (when (search-forward dummy-temp nil t)
 777                      (current-column)))
 778             persistent
 779             (save-excursion
 780               (when (search-forward wl-summary-new-uncached-mark nil t)
 781                 (current-column)))))
 782     (setq wl-summary-buffer-temp-mark-column temp
 783           wl-summary-buffer-persistent-mark-column persistent)))
 784
 785 (defun wl-summary-buffer-set-folder (folder)
 786   (if (stringp folder)
 787       (setq folder (wl-folder-get-elmo-folder folder)))
 788   (setq wl-summary-buffer-elmo-folder folder)
 789   (make-local-variable 'wl-message-buffer)
 790   (setq wl-summary-buffer-mime-charset (or (wl-get-assoc-list-value
 791                                             wl-folder-mime-charset-alist
 792                                             (elmo-folder-name-internal folder))
 793                                            wl-mime-charset))
 794   (setq wl-summary-buffer-weekday-name-lang
 795         (or (wl-get-assoc-list-value
 796              wl-folder-weekday-name-lang-alist
 797              (elmo-folder-name-internal folder))
 798             wl-summary-weekday-name-lang))
 799   (setq wl-summary-buffer-thread-indent-set
 800         (wl-get-assoc-list-value
 801          wl-folder-thread-indent-set-alist
 802          (elmo-folder-name-internal folder)))
 803   (setq wl-summary-buffer-number-column
 804         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 805                                      (wl-summary-buffer-folder-name))
 806             wl-summary-default-number-column))
 807   (wl-line-formatter-setup
 808    wl-summary-buffer-line-formatter
 809    (setq wl-summary-buffer-line-format
 810          (or (wl-get-assoc-list-value
 811               wl-folder-summary-line-format-alist
 812               (elmo-folder-name-internal folder))
 813              wl-summary-line-format))
 814    wl-summary-line-format-spec-alist)
 815   (wl-line-formatter-setup
 816    wl-summary-buffer-mode-line-formatter
 817    wl-summary-mode-line-format
 818    wl-summary-mode-line-format-spec-alist)
 819   (setq wl-summary-buffer-persistent
 820         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 821   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 822   (elmo-folder-add-handler folder
 823                            (setq wl-summary-buffer-event-handler
 824                                  (luna-make-entity
 825                                   'wl-summary-event-handler
 826                                   :buffer (current-buffer))))
 827   ;; process duplicates.
 828   (elmo-folder-set-process-duplicates-internal
 829    folder (cdr (elmo-string-matched-assoc
 830                 (elmo-folder-name-internal folder)
 831                 wl-folder-process-duplicates-alist)))
 832   (setq
 833    wl-thread-indent-level-internal
 834    (or (nth 0 wl-summary-buffer-thread-indent-set)
 835        wl-thread-indent-level)
 836    wl-thread-have-younger-brother-str-internal
 837    (or (nth 1 wl-summary-buffer-thread-indent-set)
 838        wl-thread-have-younger-brother-str)
 839    wl-thread-youngest-child-str-internal
 840    (or (nth 2 wl-summary-buffer-thread-indent-set)
 841        wl-thread-youngest-child-str)
 842    wl-thread-vertical-str-internal
 843    (or (nth 3 wl-summary-buffer-thread-indent-set)
 844        wl-thread-vertical-str)
 845    wl-thread-horizontal-str-internal
 846    (or (nth 4 wl-summary-buffer-thread-indent-set)
 847        wl-thread-horizontal-str)
 848    wl-thread-space-str-internal
 849    (or (nth 5 wl-summary-buffer-thread-indent-set)
 850        wl-thread-space-str))
 851   (run-hooks 'wl-summary-buffer-set-folder-hook))
 852
 853 (defun wl-summary-mode ()
 854   "Major mode for reading threaded messages.
 855 See Info under Wanderlust for full documentation.
 856
 857 Special commands:
 858 \\{wl-summary-mode-map}
 859
 860 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 861   (interactive)
 862   (unless (interactive-p) (kill-all-local-variables))
 863   (setq major-mode 'wl-summary-mode)
 864   (setq mode-name "Summary")
 865   (use-local-map wl-summary-mode-map)
 866 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 867   (setq buffer-read-only t)
 868   (setq truncate-lines t)
 869   (setq show-trailing-whitespace nil)
 870 ;;;(make-local-variable 'tab-width)
 871 ;;;(setq tab-width 1)
 872   (buffer-disable-undo (current-buffer))
 873   (setq selective-display t
 874         selective-display-ellipses nil)
 875   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 876   (easy-menu-add wl-summary-mode-menu)
 877   (setq wl-summary-buffer-window-scroll-functions
 878         (wl-summary-window-scroll-functions))
 879   (when wl-summary-buffer-window-scroll-functions
 880     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 881       (make-local-hook hook)
 882       (dolist (function wl-summary-buffer-window-scroll-functions)
 883         (add-hook hook function nil t))))
 884   ;; This hook may contain the function `wl-setup-summary' for reasons
 885   ;; of system internal to accord facilities for the Emacs variants.
 886   (run-hooks 'wl-summary-mode-hook))
 887
 888 ;;;
 889 (defun wl-summary-overview-entity-compare-by-size (x y)
 890    "Compare entity X and Y by size."
 891    (< (elmo-message-entity-field x 'size)
 892       (elmo-message-entity-field y 'size)))
 893
 894
 895 (defun wl-summary-overview-entity-compare-by-date (x y)
 896   "Compare entity X and Y by date."
 897   (condition-case nil
 898       (string<
 899        (timezone-make-date-sortable
 900         (elmo-message-entity-field x 'date))
 901        (timezone-make-date-sortable
 902         (elmo-message-entity-field y 'date)))
 903     (error))) ;; ignore error.
 904
 905 (defun wl-summary-overview-entity-compare-by-number (x y)
 906    "Compare entity X and Y by number."
 907   (<
 908    (elmo-message-entity-number x)
 909    (elmo-message-entity-number y)))
 910
 911 (defun wl-summary-overview-entity-compare-by-from (x y)
 912   "Compare entity X and Y by from."
 913   (string<
 914    (or (elmo-message-entity-field x 'from t)
 915        wl-summary-no-from-message)
 916    (or (elmo-message-entity-field y 'from t)
 917        wl-summary-no-from-message)))
 918
 919 (defun wl-summary-overview-entity-compare-by-subject (x y)
 920   "Compare entity X and Y by subject."
 921   (string< (elmo-message-entity-field x 'subject)
 922            (elmo-message-entity-field y 'subject)))
 923
 924 (defun wl-summary-get-list-info (entity)
 925   "Returns (\"ML-name\" . ML-count) of ENTITY."
 926   (let (sequence ml-name ml-count subject return-path delivered-to mailing-list)
 927     (setq sequence (elmo-message-entity-field entity 'x-sequence)
 928           ml-name (or (elmo-message-entity-field entity 'x-ml-name)
 929                       (and sequence
 930                            (car (split-string sequence " "))))
 931           ml-count (or (elmo-message-entity-field entity 'x-mail-count)
 932                        (elmo-message-entity-field entity 'x-ml-count)
 933                        (and sequence
 934                             (cadr (split-string sequence " ")))))
 935     (and (setq subject (elmo-message-entity-field entity 'subject t))
 936          (setq subject (elmo-delete-char ?\n subject))
 937          (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*" subject)
 938          (progn
 939            (or ml-name (setq ml-name (match-string 1 subject)))
 940            (or ml-count (setq ml-count (match-string 2 subject)))))
 941     (and (setq return-path
 942                (elmo-message-entity-field entity 'return-path))
 943          (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
 944          (progn
 945            (or ml-name (setq ml-name (match-string 1 return-path)))
 946            (or ml-count (setq ml-count (match-string 2 return-path)))))
 947     (and (setq delivered-to
 948                (elmo-message-entity-field entity 'delivered-to))
 949          (string-match "^mailing list \\([^@]+\\)@" delivered-to)
 950          (or ml-name (setq ml-name (match-string 1 delivered-to))))
 951     (and (setq mailing-list
 952                (elmo-message-entity-field entity 'mailing-list))
 953          ;; *-help@, *-owner@, etc.
 954          (string-match "\\(^\\|; \\)contact \\([^@]+\\)-[^-@]+@" mailing-list)
 955          (or ml-name (setq ml-name (match-string 2 mailing-list))))
 956     (cons (and ml-name (car (split-string ml-name " ")))
 957           (and ml-count (string-to-int ml-count)))))
 958
 959 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 960   "Compare entity X and Y by mailing-list info."
 961   (let* ((list-info-x (wl-summary-get-list-info x))
 962          (list-info-y (wl-summary-get-list-info y)))
 963     (if (equal (car list-info-x) (car list-info-y))
 964         (if (equal (cdr list-info-x) (cdr list-info-y))
 965             (wl-summary-overview-entity-compare-by-date x y)
 966           (< (or (cdr list-info-x) 0)
 967              (or (cdr list-info-y) 0)))
 968       (string< (or (car list-info-x) "")
 969                (or (car list-info-y) "")))))
 970
 971 (defun wl-summary-sort-by-date (reverse)
 972   "Sort summary lines into the order by message date; argument means descending order."
 973   (interactive "P")
 974   (wl-summary-rescan "date" reverse))
 975 (defun wl-summary-sort-by-number (reverse)
 976   "Sort summary lines into the order by message number; argument means descending order."
 977   (interactive "P")
 978   (wl-summary-rescan "number" reverse))
 979 (defun wl-summary-sort-by-subject (reverse)
 980   "Sort summary lines into the order by subject; argument means descending order."
 981   (interactive "P")
 982   (wl-summary-rescan "subject" reverse))
 983 (defun wl-summary-sort-by-from (reverse)
 984   "Sort summary lines into the order by from; argument means descending order."
 985   (interactive "P")
 986   (wl-summary-rescan "from" reverse))
 987 (defun wl-summary-sort-by-list-info (reverse)
 988   "Sort summary lines into the order by mailing list info; argument means descending order."
 989   (interactive "P")
 990   (wl-summary-rescan "list-info" reverse))
 991 (defun wl-summary-sort-by-size (reverse)
 992   "Sort summary lines into the order by message size; argument means descending order."
 993   (interactive "P")
 994   (wl-summary-rescan "size" reverse))
 995
 996 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
 997   "Rescan current folder without updating."
 998   (interactive)
 999   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1000         gc-message                      ; for XEmacs
1001         (inhibit-read-only t)
1002         (buffer-read-only nil)
1003         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1004                                             (not disable-killed) t)) ; in-msgdb
1005         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1006                                                      wl-thread-entity-hashtb))
1007         (wl-summary-search-parent-by-subject-regexp
1008          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1009         (wl-summary-divide-thread-when-subject-changed
1010          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1011         (predicate (and sort-by
1012                         (intern (format "wl-summary-overview-entity-compare-by-%s"
1013                                         sort-by))))
1014         (sort-label (if reverse "Reverse sorting" "Sorting"))
1015         (i 0)
1016         num
1017         expunged)
1018     (erase-buffer)
1019     (message "Re-scanning...")
1020     (when sort-by
1021       (message "%s by %s..." sort-label sort-by)
1022       (setq numbers
1023             (sort numbers
1024                   (lambda (x y)
1025                     (funcall
1026                      predicate
1027                      (elmo-message-entity wl-summary-buffer-elmo-folder x)
1028                      (elmo-message-entity wl-summary-buffer-elmo-folder y)))))
1029       (if reverse (setq numbers (nreverse numbers)))
1030       (message "%s by %s...done" sort-label sort-by))
1031     (setq num (length numbers))
1032     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1033           wl-thread-entity-list nil
1034           wl-thread-entities nil
1035           wl-summary-scored nil
1036           wl-summary-buffer-number-list nil
1037           wl-summary-buffer-unsync-mark-number-list nil
1038           wl-summary-buffer-target-mark-list nil
1039           wl-summary-buffer-temp-mark-list nil
1040           wl-summary-delayed-update nil)
1041     (elmo-kill-buffer wl-summary-search-buf-name)
1042     (while numbers
1043       (wl-summary-insert-message (elmo-message-entity
1044                                   wl-summary-buffer-elmo-folder
1045                                   (car numbers))
1046                                  wl-summary-buffer-elmo-folder
1047                                  nil)
1048       (setq numbers (cdr numbers))
1049       (when (> num elmo-display-progress-threshold)
1050         (setq i (+ i 1))
1051         (if (or (zerop (% i 5)) (= i num))
1052             (elmo-display-progress
1053              'wl-summary-rescan "Constructing summary structure..."
1054              (/ (* i 100) num)))))
1055     (when wl-summary-delayed-update
1056       (while wl-summary-delayed-update
1057         (message "Parent (%d) of message %d is no entity"
1058                  (caar wl-summary-delayed-update)
1059                  (elmo-message-entity-number
1060                   (cdar wl-summary-delayed-update)))
1061         (wl-summary-insert-message
1062          (cdar wl-summary-delayed-update)
1063          wl-summary-buffer-elmo-folder nil t)
1064         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1065     (message "Constructing summary structure...done")
1066     (if (eq wl-summary-buffer-view 'thread)
1067         (progn
1068           (message "Inserting thread...")
1069           (wl-thread-insert-top)
1070           (message "Inserting thread...done")))
1071     (when wl-use-scoring
1072       (wl-summary-score-headers (wl-summary-rescore-msgs
1073                                  wl-summary-buffer-number-list)
1074                                 t)
1075       (when (and wl-summary-scored
1076                  (setq expunged (wl-summary-score-update-all-lines)))
1077         (message "%d message(s) are expunged by scoring." (length expunged))))
1078     (wl-summary-set-message-modified)
1079     (wl-summary-count-unread)
1080     (wl-summary-update-modeline)
1081     (goto-char (point-max))
1082     (forward-line -1)
1083     (set-buffer-modified-p nil)))
1084
1085 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1086   (if (and next-entity
1087            wl-auto-select-next)
1088       (let (retval)
1089         (wl-summary-toggle-disp-msg 'off)
1090         (unwind-protect
1091             (setq retval
1092                   (wl-summary-goto-folder-subr next-entity
1093                                                'force-update
1094                                                nil
1095                                                nil ; not sticky
1096                                                t   ; interactive!
1097                                                ))
1098           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1099           (if (and (eq retval 'more-next)
1100                    (memq wl-auto-select-next '(unread skip-no-unread))
1101                    (memq this-command wl-summary-next-no-unread-command))
1102               (if upward
1103                   (wl-summary-up
1104                    t (eq wl-auto-select-next 'skip-no-unread))
1105                 (goto-char (point-max))
1106                 (forward-line -1)
1107                 (wl-summary-down
1108                  t (eq wl-auto-select-next 'skip-no-unread))))))
1109     (wl-summary-exit)))
1110
1111 (defun wl-summary-entity-info-msg (entity finfo)
1112   (or (and entity
1113            (concat
1114             (if (memq 'ask-folder wl-use-folder-petname)
1115                 (wl-folder-get-petname entity)
1116               entity)
1117             (if (null (car finfo))
1118                 " (? new/? unread)"
1119               (format
1120                " (%d new/%d unread)"
1121                (nth 0 finfo)
1122                (+ (nth 0 finfo)
1123                   (nth 1 finfo))))))
1124       "folder mode"))
1125
1126 (defun wl-summary-set-message-modified ()
1127   (setq wl-summary-buffer-message-modified t))
1128 (defun wl-summary-message-modified-p ()
1129   wl-summary-buffer-message-modified)
1130 (defun wl-summary-set-thread-modified ()
1131   (setq wl-summary-buffer-thread-modified t))
1132 (defun wl-summary-thread-modified-p ()
1133   wl-summary-buffer-thread-modified)
1134
1135 (defun wl-summary-exec-with-confirmation (&optional message)
1136   (when wl-summary-buffer-temp-mark-list
1137     (if (y-or-n-p (or message
1138                       (format "Execute marks in %s? "
1139                               (wl-summary-buffer-folder-name))))
1140         (progn
1141           (wl-summary-exec)
1142           (if wl-summary-buffer-temp-mark-list
1143               (error "Some execution was failed")))
1144       ;; temp-mark-list is remained.
1145       (message ""))))
1146
1147 (defun wl-summary-cleanup-temp-marks ()
1148   (when wl-summary-buffer-temp-mark-list
1149     (wl-summary-exec-with-confirmation
1150      (format "Execute marks in %s? (answer \"n\" to discard them) "
1151              (wl-summary-buffer-folder-name)))
1152     (wl-summary-delete-all-temp-marks 'no-msg)
1153     (setq wl-summary-scored nil)))
1154
1155 ;; a subroutine for wl-summary-exit/wl-save-status
1156 ;; Note that folder is not commited here.
1157 (defun wl-summary-save-view ()
1158   ;; already in summary buffer.
1159   (when wl-summary-buffer-persistent
1160     ;; save the current summary buffer view.
1161     (if (and wl-summary-cache-use
1162              (or (wl-summary-message-modified-p)
1163                  (wl-summary-thread-modified-p)))
1164         (wl-summary-save-view-cache))))
1165
1166 (defun wl-summary-save-status ()
1167   "Save summary view and msgdb."
1168   (interactive)
1169   (if (interactive-p) (message "Saving summary status..."))
1170   (wl-summary-save-view)
1171   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1172   (elmo-folder-check wl-summary-buffer-elmo-folder)
1173   (if wl-use-scoring (wl-score-save))
1174   (if (interactive-p) (message "Saving summary status...done")))
1175
1176 (defun wl-summary-force-exit ()
1177   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1178   (interactive)
1179   (wl-summary-exit 'force-exit))
1180
1181 (defun wl-summary-exit (&optional force-exit)
1182   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1183   (interactive "P")
1184   (let ((summary-buf (current-buffer))
1185         (sticky (wl-summary-sticky-p))
1186         summary-win
1187         message-buf message-win
1188         folder-buf folder-win)
1189     (run-hooks 'wl-summary-exit-pre-hook)
1190     (if wl-summary-buffer-exit-function
1191         (funcall wl-summary-buffer-exit-function)
1192       (if (or force-exit (not sticky))
1193           (wl-summary-cleanup-temp-marks))
1194       (unwind-protect
1195           ;; save summary status
1196           (progn
1197             (wl-summary-save-view)
1198             (if (or force-exit (not sticky))
1199                 (progn
1200                   (elmo-folder-close wl-summary-buffer-elmo-folder)
1201                   (elmo-folder-remove-handler wl-summary-buffer-elmo-folder
1202                                               wl-summary-buffer-event-handler))
1203               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1204               (elmo-folder-check wl-summary-buffer-elmo-folder))
1205             (if wl-use-scoring (wl-score-save)))
1206         ;; for sticky summary
1207         (wl-delete-all-overlays)
1208         (setq wl-summary-buffer-disp-msg nil)
1209         (elmo-kill-buffer wl-summary-search-buf-name)
1210         ;; delete message window if displayed.
1211         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1212             (delete-window (get-buffer-window wl-message-buffer)))
1213         (if (and wl-summary-use-frame
1214                  (> (length (visible-frame-list)) 1))
1215             (delete-frame))
1216         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1217             (if wl-summary-use-frame
1218                 (let (select-frame)
1219                   (save-selected-window
1220                     (dolist (frame (visible-frame-list))
1221                       (select-frame frame)
1222                       (if (get-buffer-window folder-buf)
1223                           (setq select-frame frame))))
1224                   (if select-frame
1225                       (select-frame select-frame)
1226                     (switch-to-buffer folder-buf)))
1227               (if (setq folder-win (get-buffer-window folder-buf))
1228                   ;; folder win is already displayed.
1229                   (select-window folder-win)
1230                 ;; folder win is not displayed.
1231                 (switch-to-buffer folder-buf)))
1232           ;; currently no folder buffer
1233           (wl-folder))
1234         (and wl-folder-move-cur-folder
1235              wl-folder-buffer-cur-point
1236              (goto-char wl-folder-buffer-cur-point))
1237         (setq wl-folder-buffer-cur-path nil)
1238         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1239         (setq wl-folder-buffer-cur-entity-id nil)
1240         (wl-delete-all-overlays)
1241         (if wl-summary-exit-next-move
1242             (wl-folder-next-unsync t)
1243           (beginning-of-line))
1244         (if (setq summary-win (get-buffer-window summary-buf))
1245             (delete-window summary-win))
1246         (if (or force-exit
1247                 (not sticky))
1248             (progn
1249               (set-buffer summary-buf)
1250               (kill-buffer summary-buf)))
1251         (run-hooks 'wl-summary-exit-hook)))))
1252
1253 (defun wl-summary-suspend ()
1254   (interactive)
1255   (wl-summary-exit)
1256   (wl-folder-suspend))
1257
1258 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1259   (interactive)
1260   (wl-summary-sync-update unset-cursor nil nil no-check))
1261
1262 (defsubst wl-summary-sync-all-init ()
1263   (wl-summary-cleanup-temp-marks)
1264   (erase-buffer)
1265   (wl-summary-set-message-modified)
1266   (setq wl-thread-entity-hashtb (elmo-make-hash
1267                                  (* (elmo-folder-length
1268                                      wl-summary-buffer-elmo-folder)
1269                                     2)))
1270   (setq wl-thread-entity-list nil)
1271   (setq wl-thread-entities nil)
1272   (setq wl-summary-buffer-number-list nil)
1273   (setq wl-summary-buffer-target-mark-list nil)
1274   (setq wl-summary-buffer-temp-mark-list nil))
1275
1276 (defun wl-summary-sync (&optional unset-cursor force-range)
1277   (interactive)
1278   (let* ((folder wl-summary-buffer-elmo-folder)
1279          (inhibit-read-only t)
1280          (buffer-read-only nil)
1281          (msgdb-dir (elmo-folder-msgdb-path folder))
1282          (range (or force-range (wl-summary-input-range
1283                                  (elmo-folder-name-internal folder)))))
1284     (cond ((string-match "rescan" range)
1285            (let ((msg (wl-summary-message-number))
1286                  (wl-use-scoring (if (string-match "noscore" range)
1287                                      nil
1288                                    wl-use-scoring)))
1289              (wl-summary-rescan nil
1290                                 nil
1291                                 (string-match "noscore" range)
1292                                 (string-match "thread" range))
1293              (and msg (wl-summary-jump-to-msg msg))))
1294           ((string= range "mark")
1295            (let ((msg (wl-summary-message-number)))
1296              (call-interactively 'wl-summary-sync-marks)
1297              (and msg (wl-summary-jump-to-msg msg))))
1298           ((string= range "cache-status")
1299            (let ((msg (wl-summary-message-number)))
1300              (wl-summary-resume-cache-status)
1301              (and msg (wl-summary-jump-to-msg msg))))
1302           ((string= range "no-sync"))
1303           ((or (string-match "^last:" range)
1304                (string-match "^first:" range))
1305            (wl-summary-goto-folder-subr (concat "/" range "/"
1306                                                 (elmo-folder-name-internal
1307                                                  folder))
1308                                         'force-update nil nil t))
1309           (t
1310            (wl-summary-sync-update unset-cursor
1311                                    (string-match "entirely" range)
1312                                    (string-match "all" range))))))
1313
1314 (defvar wl-summary-edit-addresses-candidate-fields
1315   ;; First element becomes default.
1316   '("from" "to" "cc"))
1317
1318 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1319   (let ((fields wl-summary-edit-addresses-candidate-fields)
1320         body candidates components)
1321     (while fields
1322       (setq body
1323             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1324                        ","))
1325       (setq body (wl-parse-addresses body))
1326       (if body (setq candidates (append candidates body)))
1327       (setq fields (cdr fields)))
1328     (setq candidates (elmo-uniq-list candidates))
1329     (elmo-set-work-buf
1330      (set-buffer-multibyte default-enable-multibyte-characters)
1331      (mapcar (function
1332               (lambda (x)
1333                 (setq components (std11-extract-address-components x))
1334                 (cons (nth 1 components)
1335                       (and (car components)
1336                            (eword-decode-string
1337                             (decode-mime-charset-string
1338                              (car components)
1339                              mime-charset))))))
1340              candidates))))
1341
1342 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1343   ;; returns nil if there's no change.
1344   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1345       (let (char)
1346         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1347                  the-email)
1348         (while (not (or (eq (setq char (read-char)) ?\r)
1349                         (eq char ?\n)
1350                         (eq char ? )
1351                         (eq char ?e)
1352                         (eq char ?c)
1353                         (eq char ?d)))
1354           (message
1355            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1356         (cond
1357          ((or (eq char ?e)
1358               (eq char ?\n)
1359               (eq char ?\r)
1360               (eq char ? ))
1361           ;; Change Addresses
1362           (wl-address-add-or-change
1363            the-email
1364            (wl-address-header-extract-realname
1365             (cdr (assoc
1366                   (let ((completion-ignore-case t) comp)
1367                     (setq comp
1368                           (try-completion the-email wl-address-completion-list))
1369                     (if (equal comp t) the-email comp))
1370                   wl-address-completion-list))))
1371           "edited")
1372          ((eq char ?d)
1373           ;; Delete Addresses
1374           (if (y-or-n-p (format "Delete '%s'? "
1375                                 the-email))
1376               (progn
1377                 (wl-address-delete the-email)
1378                 "deleted")
1379             (message "")
1380             nil))
1381          (t (message "")
1382             nil)))
1383     ;; Add Petname
1384     (wl-address-add-or-change the-email name-in-addr)
1385     "added"))
1386
1387 (defun wl-summary-edit-addresses (&optional addr-str)
1388   "Edit address book interactively.
1389 Optional argument ADDR-STR is used as a target address if specified."
1390   (interactive (if current-prefix-arg
1391                    (list (read-from-minibuffer "Target address: "))))
1392   (if (null (wl-summary-message-number))
1393       (message "No message.")
1394     (save-excursion
1395       (let* ((charset wl-summary-buffer-mime-charset)
1396              (candidates
1397               (with-current-buffer (wl-summary-get-original-buffer)
1398                 (wl-summary-edit-addresses-collect-candidate-fields
1399                  charset)))
1400              address pair result)
1401         (if addr-str
1402             (setq address addr-str)
1403           (when candidates
1404             (setq address (car (car candidates)))
1405             (setq address
1406                   (completing-read
1407                    (format "Target address (%s): " address)
1408                    (mapcar
1409                     (function (lambda (x) (cons (car x) (car x))))
1410                     candidates)
1411                    nil nil nil nil address))))
1412         (when address
1413           (setq pair (assoc address candidates))
1414           (unless pair
1415             (setq pair (cons address nil)))
1416           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1417             ;; update alias
1418             (wl-status-update)
1419             (setq address (assoc (car pair) wl-address-list))
1420             (if address
1421                 (message "%s, %s, <%s> is %s."
1422                          (nth 2 address)
1423                          (nth 1 address)
1424                          (nth 0 address)
1425                          result)))
1426 ;;; i'd like to update summary-buffer, but...
1427 ;;;     (wl-summary-rescan)
1428           (run-hooks 'wl-summary-edit-addresses-hook))))))
1429
1430 (defun wl-summary-incorporate (&optional arg)
1431   "Check and prefetch all uncached messages.
1432 If ARG is non-nil, checking is omitted."
1433   (interactive "P")
1434   (unless arg
1435     (save-excursion
1436       (wl-summary-sync-force-update)))
1437   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1438                                       wl-summary-incorporate-marks))
1439
1440 (defun wl-summary-force-prefetch ()
1441   "All uncached messages are cached."
1442   (interactive)
1443   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1444     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1445                                              'uncached 'in-msgdb))
1446           (count 0)
1447           wl-prefetch-confirm
1448           wl-prefetch-threshold
1449           (elmo-inhibit-display-retrieval-progress t)
1450           length msg)
1451       (save-excursion
1452         (goto-char (point-min))
1453         (setq length (length targets))
1454         (dolist (target targets)
1455           (when (if (not (wl-thread-entity-parent-invisible-p
1456                           (wl-thread-get-entity target)))
1457                     (progn
1458                       (wl-summary-jump-to-msg target)
1459                       (wl-summary-prefetch-msg
1460                        (wl-summary-message-number)))
1461                   (wl-summary-prefetch-msg target))
1462             (message "Retrieving... %d/%d" (incf count) length)))
1463         (message "Retrieved %d/%d message(s)" count length)))))
1464
1465 (defun wl-summary-prefetch-msg (number &optional arg)
1466   "Prefetch message and return non-nil value. If skipped, return nil."
1467   ;; prefetching procedure.
1468   (save-excursion
1469     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1470                                      number 'size))
1471            (file-cached (elmo-file-cache-exists-p
1472                          (elmo-message-field wl-summary-buffer-elmo-folder
1473                                              number 'message-id)))
1474            (force-read (and size
1475                             (or file-cached
1476                                 (and (null wl-prefetch-confirm) arg)
1477                                 (null wl-prefetch-threshold)
1478                                 (< size wl-prefetch-threshold))))
1479            mark new-mark)
1480       (ignore-errors
1481         (when (and (or arg (not file-cached))
1482                    size (not force-read) wl-prefetch-confirm)
1483           (let ((wl-message-entity (elmo-message-entity
1484                                     wl-summary-buffer-elmo-folder
1485                                     number)))
1486             (setq force-read
1487                   (save-restriction
1488                     (widen)
1489                     (y-or-n-p
1490                      (format
1491                       "Message from %s has %d bytes.  Prefetch it? "
1492                       (concat
1493                        "[ "
1494                        (save-match-data
1495                          (wl-set-string-width
1496                           17
1497                           (funcall
1498                            wl-summary-from-function
1499                            (elmo-delete-char
1500                             ?\"
1501                             (or
1502                              (elmo-message-entity-field
1503                               wl-message-entity
1504                               'from t)
1505                              "??")))))
1506                        " ]")
1507                       size))))
1508             (message "")))              ; flush.
1509         (if force-read
1510             (save-excursion
1511               (save-match-data
1512                 ;; online
1513                 (if (or arg (not file-cached))
1514                     (elmo-message-encache
1515                      wl-summary-buffer-elmo-folder
1516                      number))
1517                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1518                                          number t)
1519                 (when (and (wl-summary-jump-to-msg number)
1520                            (wl-summary-update-persistent-mark))
1521                   (sit-for 0)
1522                   (wl-summary-count-unread)
1523                   (wl-summary-update-modeline)
1524                   (wl-folder-update-unread
1525                    (wl-summary-buffer-folder-name)
1526                    wl-summary-buffer-unread-count)))
1527               t)
1528           nil)))))
1529
1530 (defsubst wl-summary-narrow-to-region (beg end)
1531   (narrow-to-region
1532    (save-excursion
1533      (goto-char beg)
1534      (beginning-of-line)
1535      (point))
1536    (save-excursion
1537      (goto-char end)
1538      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1539      (point))))
1540
1541 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1542   (interactive "r")
1543   (let ((count 0)
1544         targets
1545         mark length
1546         entity msg
1547         start-pos pos)
1548     (save-excursion
1549       (setq start-pos (point))
1550       (save-restriction
1551         (wl-summary-narrow-to-region beg end)
1552         ;; collect prefetch targets.
1553         (message "Collecting marks...")
1554         (goto-char (point-min))
1555         (while (not (eobp))
1556           (setq mark (wl-summary-persistent-mark)
1557                 msg (wl-summary-message-number))
1558           (if (or (and (null prefetch-marks)
1559                        msg
1560                        (null (elmo-file-cache-exists-p
1561                               (elmo-message-field
1562                                wl-summary-buffer-elmo-folder
1563                                msg
1564                                'message-id))))
1565                   (member mark prefetch-marks))
1566               (setq targets (nconc targets (list msg))))
1567           (setq entity (wl-thread-get-entity msg))
1568           (if (or (not (eq wl-summary-buffer-view 'thread))
1569                   (wl-thread-entity-get-opened entity))
1570               (); opened. no hidden children.
1571             (setq targets (nconc
1572                            targets
1573                            (wl-thread-get-children-msgs-uncached
1574                             msg prefetch-marks))))
1575           (forward-line 1))
1576         (setq length (length targets))
1577         (message "Prefetching...")
1578         (while targets
1579           (when (if (not (wl-thread-entity-parent-invisible-p
1580                           (wl-thread-get-entity (car targets))))
1581                     (progn
1582                       (wl-summary-jump-to-msg (car targets))
1583                       (wl-summary-prefetch-msg
1584                        (wl-summary-message-number)))
1585                   (wl-summary-prefetch-msg (car targets)))
1586             (message "Prefetching... %d/%d message(s)"
1587                      (setq count (+ 1 count)) length))
1588           (setq targets (cdr targets)))
1589         (message "Prefetched %d/%d message(s)" count length)
1590         (cons count length)))))
1591
1592 (defun wl-summary-delete-marks-on-buffer (marks)
1593   (while marks
1594     (wl-summary-unmark (pop marks))))
1595
1596 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1597   (wl-summary-delete-marks-on-buffer copies))
1598
1599 ;;;
1600 (defun wl-summary-delete-all-target-marks ()
1601   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1602
1603 (defun wl-summary-number-list-from-region (beg end)
1604   (save-excursion
1605     (save-restriction
1606       (wl-summary-narrow-to-region beg end)
1607       (goto-char (point-min))
1608       (let (number-list)
1609         (if (eq wl-summary-buffer-view 'thread)
1610             (while (not (eobp))
1611               (let* ((number (wl-summary-message-number))
1612                      (entity (wl-thread-get-entity number)))
1613                 (setq number-list
1614                       (nconc number-list
1615                              (if (wl-thread-entity-get-opened entity)
1616                                  (list number)
1617                                (wl-thread-get-children-msgs number))))
1618                 (forward-line 1)))
1619           (while (not (eobp))
1620             (setq number-list
1621                   (nconc number-list (list (wl-summary-message-number))))
1622             (forward-line 1)))
1623         number-list))))
1624
1625 (defun wl-summary-mark-as-read-region (beg end)
1626   (interactive "r")
1627   (let ((number-list (wl-summary-number-list-from-region beg end)))
1628     (if (null number-list)
1629         (message "No message.")
1630       (wl-summary-mark-as-read number-list))))
1631
1632 (defun wl-summary-mark-as-unread-region (beg end)
1633   (interactive "r")
1634   (let ((number-list (wl-summary-number-list-from-region beg end)))
1635     (if (null number-list)
1636         (message "No message.")
1637       (wl-summary-mark-as-unread number-list))))
1638
1639 (defun wl-summary-set-flags-region (beg end &optional remove)
1640   (interactive "r\nP")
1641   (let ((number-list (wl-summary-number-list-from-region beg end)))
1642     (if (null number-list)
1643         (message "No message.")
1644       (wl-summary-set-flags-internal number-list nil nil remove)
1645       (wl-summary-count-unread)
1646       (wl-summary-update-modeline))))
1647
1648 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1649   (interactive "r\nP")
1650   (let ((number-list (wl-summary-number-list-from-region beg end))
1651         (remove (or remove
1652                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1653                                             (save-excursion
1654                                               (goto-char beg)
1655                                               (wl-summary-message-number))
1656                                             'answered))))
1657     (if (null number-list)
1658         (message "No message.")
1659       (wl-summary-set-persistent-mark-internal remove 'answered
1660                                                number-list
1661                                                nil nil (interactive-p))
1662       (wl-summary-count-unread)
1663       (wl-summary-update-modeline))))
1664
1665 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1666   (interactive "r\nP")
1667   (let ((number-list (wl-summary-number-list-from-region beg end))
1668         (remove (or remove
1669                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1670                                             (save-excursion
1671                                               (goto-char beg)
1672                                               (wl-summary-message-number))
1673                                             'important))))
1674     (if (null number-list)
1675         (message "No message.")
1676       (wl-summary-set-persistent-mark-internal remove 'important number-list
1677                                                nil nil (interactive-p))
1678       (wl-summary-count-unread)
1679       (wl-summary-update-modeline))))
1680
1681 (defun wl-summary-mark-as-read-all ()
1682   (interactive)
1683   (if (or (not (interactive-p))
1684           (y-or-n-p "Mark all messages as read? "))
1685       (let ((folder wl-summary-buffer-elmo-folder)
1686             (cur-buf (current-buffer)))
1687         (message "Setting all msgs as read...")
1688         (elmo-folder-unset-flag
1689          folder
1690          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1691          'unread)
1692         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1693         (setq wl-summary-buffer-unread-count 0)
1694         (setq wl-summary-buffer-new-count    0)
1695         (wl-summary-update-modeline)
1696         (message "Setting all msgs as read...done"))))
1697
1698 (defun wl-summary-delete-cache ()
1699   "Delete cache of current message."
1700   (interactive)
1701   (save-excursion
1702     (let* ((folder wl-summary-buffer-elmo-folder)
1703            number)
1704       (setq number (wl-summary-message-number))
1705       (elmo-message-set-cached folder number nil)
1706       (when (wl-summary-update-persistent-mark)
1707         (elmo-file-cache-delete
1708          (elmo-file-cache-get-path
1709           (elmo-message-field wl-summary-buffer-elmo-folder
1710                               number
1711                               'message-id)))))))
1712
1713 (defun wl-summary-resume-cache-status ()
1714   "Resume the cache status of all messages in the current folder."
1715   (interactive)
1716   (let ((folder wl-summary-buffer-elmo-folder)
1717         number msgid)
1718     (message "Resuming cache status...")
1719     (save-excursion
1720       (goto-char (point-min))
1721       (while (not (eobp))
1722         (setq number (wl-summary-message-number))
1723         (setq msgid (elmo-message-field folder number 'message-id))
1724         (elmo-message-set-cached folder number
1725                                  (elmo-file-cache-exists-p msgid))
1726         (wl-summary-update-persistent-mark)
1727         (forward-line 1))
1728       (wl-summary-count-unread)
1729       (wl-summary-update-modeline)
1730       (message "Resuming cache status...done"))))
1731
1732 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1733   (interactive)
1734   (save-excursion
1735     (let ((inhibit-read-only t)
1736           (buffer-read-only nil)
1737           (msgs2 msgs)
1738           (len (length msgs))
1739           (i 0)
1740           ;(deleting-info (or deleting-info "Deleting..."))
1741           update-list)
1742       (elmo-kill-buffer wl-summary-search-buf-name)
1743       (while msgs
1744         (if (eq wl-summary-buffer-view 'thread)
1745             (progn
1746               ;; don't use wl-append(nconc), because list is broken. ...why?
1747               (setq update-list
1748                     (append update-list
1749                             (wl-thread-delete-message (car msgs))))
1750               (setq update-list (delq (car msgs) update-list)))
1751           (goto-char (point-min))
1752           (if (wl-summary-jump-to-msg (car msgs))
1753               (progn
1754                 (delete-region (point-at-bol) (point-at-eol))
1755                 (delete-char 1) ; delete '\n'
1756                 (setq wl-summary-buffer-number-list
1757                       (delq (car msgs) wl-summary-buffer-number-list)))))
1758 ;       (when (> len elmo-display-progress-threshold)
1759 ;         (setq i (1+ i))
1760 ;         (if (or (zerop (% i 5)) (= i len))
1761 ;             (elmo-display-progress
1762 ;              'wl-summary-delete-messages-on-buffer deleting-info
1763 ;              (/ (* i 100) len))))
1764         (setq msgs (cdr msgs)))
1765       (when (eq wl-summary-buffer-view 'thread)
1766         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1767         (wl-thread-cleanup-symbols msgs2))
1768       ;;(message (concat deleting-info "done"))
1769       (wl-summary-count-unread)
1770       (wl-summary-update-modeline)
1771       (wl-summary-folder-info-update))))
1772
1773 (defun wl-summary-update-status-marks (beg end &optional check)
1774   "Synchronize status marks on current buffer to the msgdb."
1775   (interactive "r")
1776   (save-excursion
1777     (goto-char beg)
1778     (while (and (< (point) end) (not (eobp)))
1779       (when (or (not check)
1780                 (let ((number (wl-summary-message-number)))
1781                   (when (memq number wl-summary-buffer-unsync-mark-number-list)
1782                     (setq wl-summary-buffer-unsync-mark-number-list
1783                           (delq number
1784                                 wl-summary-buffer-unsync-mark-number-list))
1785                     t)))
1786         (wl-summary-update-persistent-mark))
1787       (forward-line 1))))
1788
1789 (defun wl-summary-update-mark-window (&optional win beg)
1790   "Update persistent mark in visible summary window.
1791 This function is defined for `window-scroll-functions'"
1792   (with-current-buffer (window-buffer win)
1793     (when (eq major-mode 'wl-summary-mode)
1794       (let ((start (window-start win))
1795             (end (condition-case nil
1796                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1797                    (error (window-end win)))))
1798         (wl-summary-update-status-marks start end 'check)))))
1799
1800 (defun wl-summary-insert-message (&rest args)
1801   (if (eq wl-summary-buffer-view 'thread)
1802       (apply 'wl-summary-insert-thread args)
1803     (apply 'wl-summary-insert-sequential args)))
1804
1805 (defun wl-summary-sort (reverse)
1806   "Sort summary lines into the selected order; argument means descending order."
1807   (interactive "P")
1808   (wl-summary-rescan
1809    (completing-read
1810     (format "%s by (%s): "
1811             (if reverse "Reverse sort" "Sort")
1812             (symbol-name wl-summary-default-sort-spec))
1813     (mapcar (lambda (spec)
1814               (list (symbol-name spec)))
1815             wl-summary-sort-specs)
1816     nil t nil nil (symbol-name wl-summary-default-sort-spec))
1817    reverse))
1818
1819 (defun wl-summary-get-available-flags (&optional include-specials)
1820   (let ((flags (elmo-uniq-list
1821                 (append elmo-global-flags
1822                         (copy-sequence elmo-preserved-flags))
1823                 #'delq)))
1824     (if include-specials
1825         flags
1826       (delq 'new (delq 'cached flags)))))
1827
1828 (defun wl-summary-sync-marks ()
1829   "Update persistent marks in summary."
1830   (interactive)
1831   (let ((mes "Updated ")
1832         diff diffs)
1833     (message "Updating marks...")
1834     (dolist (flag (wl-summary-get-available-flags))
1835       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1836                                   wl-summary-buffer-elmo-folder
1837                                   flag)
1838                                  (elmo-folder-list-flagged
1839                                   wl-summary-buffer-elmo-folder
1840                                   flag 'in-msgdb)))
1841       (setq diffs (cadr diff))
1842       (setq mes (concat mes (format "-%d" (length diffs))))
1843       (when diffs
1844         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1845       (setq diffs (car diff)
1846             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1847       (when diffs
1848         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1849     (if (interactive-p) (message "%s" mes))))
1850
1851 (defun wl-summary-sync-update (&optional unset-cursor
1852                                          disable-killed
1853                                          sync-all
1854                                          no-check)
1855   "Update the summary view to the newest folder status."
1856   (interactive)
1857   (let* ((folder wl-summary-buffer-elmo-folder)
1858          (elmo-mime-charset wl-summary-buffer-mime-charset)
1859          (inhibit-read-only t)
1860          (buffer-read-only nil)
1861          gc-message                     ; for XEmacs
1862          crossed expunged mes)
1863     (unwind-protect
1864         (progn
1865           (unless wl-summary-buffer-elmo-folder
1866             (error "(Internal error) Folder is not set:%s" (buffer-name
1867                                                             (current-buffer))))
1868           ;; Flush pending append operations (disconnected operation).
1869           ;;(setq seen-list
1870           ;;(wl-summary-flush-pending-append-operations seen-list))
1871           (goto-char (point-max))
1872           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1873           (setq crossed (elmo-folder-synchronize folder
1874                                                  disable-killed
1875                                                  sync-all
1876                                                  no-check))
1877           (if crossed
1878               (let ((wl-summary-highlight
1879                      (and wl-summary-highlight
1880                           (not wl-summary-lazy-highlight)))
1881                     append-list delete-list
1882                     update-thread update-top-list
1883                     num diff entity
1884                     (i 0))
1885                 ;; Setup sync-all
1886                 (if sync-all (wl-summary-sync-all-init))
1887                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1888                                             folder
1889                                             (not disable-killed)
1890                                             'in-msgdb)
1891                                            wl-summary-buffer-number-list))
1892                 (setq append-list (car diff))
1893                 (setq delete-list (cadr diff))
1894
1895                 (when delete-list
1896                   (wl-summary-delete-messages-on-buffer delete-list))
1897                 (unless wl-summary-lazy-update-mark
1898                   (wl-summary-update-status-marks (point-min) (point-max)))
1899                 (when (and wl-summary-lazy-highlight
1900                            wl-summary-lazy-update-mark)
1901                   (let (buffer-read-only)
1902                     (put-text-property (point-min) (point-max) 'face nil)))
1903                 (setq num (length append-list))
1904                 (setq wl-summary-delayed-update nil)
1905                 (elmo-kill-buffer wl-summary-search-buf-name)
1906                 (dolist (number append-list)
1907                   (setq entity (elmo-message-entity folder number))
1908                   (when (setq update-thread
1909                               (wl-summary-insert-message
1910                                entity folder
1911                                (not sync-all)))
1912                     (wl-append update-top-list update-thread))
1913                   (if elmo-use-database
1914                       (elmo-database-msgid-put
1915                        (car entity) (elmo-folder-name-internal folder)
1916                        (elmo-message-entity-number entity)))
1917                   (when (> num elmo-display-progress-threshold)
1918                     (setq i (+ i 1))
1919                     (if (or (zerop (% i 5)) (= i num))
1920                         (elmo-display-progress
1921                          'wl-summary-sync-update
1922                          (if (eq wl-summary-buffer-view 'thread)
1923                              "Making thread..."
1924                            "Inserting message...")
1925                          (/ (* i 100) num)))))
1926                 (when wl-summary-delayed-update
1927                   (while wl-summary-delayed-update
1928                     (message "Parent (%d) of message %d is no entity"
1929                              (caar wl-summary-delayed-update)
1930                              (elmo-message-entity-number
1931                               (cdar wl-summary-delayed-update)))
1932                     (when (setq update-thread
1933                                 (wl-summary-insert-message
1934                                  (cdar wl-summary-delayed-update)
1935                                  wl-summary-buffer-elmo-folder
1936                                  (not sync-all) t))
1937                       (wl-append update-top-list update-thread))
1938                     (setq wl-summary-delayed-update
1939                           (cdr wl-summary-delayed-update))))
1940                 (when (and (eq wl-summary-buffer-view 'thread)
1941                            update-top-list)
1942                   (wl-thread-update-indent-string-thread
1943                    (elmo-uniq-list update-top-list)))
1944                 (message (if (eq wl-summary-buffer-view 'thread)
1945                              "Making thread...done"
1946                            "Inserting message...done"))
1947                 (when (or delete-list append-list)
1948                   (wl-summary-set-message-modified))
1949                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
1950                   (elmo-kill-buffer wl-summary-search-buf-name)
1951                   (message "Inserting message...")
1952                   (wl-thread-insert-top)
1953                   (message "Inserting message...done"))
1954                 (if elmo-use-database
1955                     (elmo-database-close))
1956                 (run-hooks 'wl-summary-sync-updated-hook)
1957                 (setq mes
1958                       (if (and (eq (length delete-list) 0)
1959                                (eq num 0))
1960                           (format
1961                            "No updates for \"%s\"" (elmo-folder-name-internal
1962                                                     folder))
1963                         (format "Updated (-%d/+%d) message(s)"
1964                                 (length delete-list) num))))
1965             (setq mes "Quit updating")))
1966       ;; synchronize marks.
1967       (if (and crossed wl-summary-auto-sync-marks)
1968           (wl-summary-sync-marks))
1969       ;; scoring
1970       (when wl-use-scoring
1971         (setq wl-summary-scored nil)
1972         (wl-summary-score-headers (and sync-all
1973                                        (wl-summary-rescore-msgs
1974                                         wl-summary-buffer-number-list))
1975                                   sync-all)
1976         (when (and wl-summary-scored
1977                    (setq expunged (wl-summary-score-update-all-lines)))
1978           (setq mes (concat mes
1979                             (format " (%d expunged)"
1980                                     (length expunged))))))
1981       (if (and crossed (> crossed 0))
1982           (setq mes
1983                 (if mes
1984                     (concat mes
1985                             (format " (%d crosspost)" crossed))
1986                   (format "%d crosspost message(s)" crossed)))
1987         (and mes (setq mes (concat mes "."))))
1988       ;; Update Folder mode
1989       (wl-folder-set-folder-updated
1990        (elmo-folder-name-internal folder)
1991        (list 0
1992              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
1993              (elmo-folder-length folder)))
1994       (wl-summary-update-modeline)
1995       ;;
1996       (unless unset-cursor
1997         (goto-char (point-min))
1998         (if (not (wl-summary-cursor-down t))
1999             (progn
2000               (goto-char (point-max))
2001               (forward-line -1))
2002           (when (and wl-summary-highlight
2003                      (not wl-summary-lazy-highlight)
2004                      (not (get-text-property (point) 'face)))
2005             (save-excursion
2006               (forward-line (- 0
2007                                (or
2008                                 wl-summary-partial-highlight-above-lines
2009                                 wl-summary-highlight-partial-threshold)))
2010               (wl-highlight-summary (point) (point-max))))))
2011       (wl-delete-all-overlays)
2012       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2013       (set-buffer-modified-p nil)
2014       (if mes (message "%s" mes)))))
2015
2016 (defun wl-summary-set-score-mark (mark)
2017   (save-excursion
2018     (beginning-of-line)
2019     (let ((cur-mark (wl-summary-temp-mark)))
2020       (when (member cur-mark (list " "
2021                                    wl-summary-score-below-mark
2022                                    wl-summary-score-over-mark))
2023         (wl-summary-put-temp-mark mark)
2024         (if wl-summary-highlight
2025             (wl-highlight-summary-current-line))
2026         (set-buffer-modified-p nil)))))
2027
2028 (defun wl-summary-get-score-mark (msg-num)
2029   (let ((score (cdr (assq msg-num wl-summary-scored))))
2030     (if score
2031         (cond ((< score wl-summary-default-score)
2032                "-")
2033               ((> score wl-summary-default-score)
2034                "+")))))
2035
2036 (defun wl-summary-update-modeline ()
2037   (setq wl-summary-buffer-mode-line
2038         (funcall wl-summary-buffer-mode-line-formatter)))
2039
2040 (defun wl-summary-jump-to-msg (&optional number)
2041   (interactive "NJump to Number:")
2042   (let ((num (or number
2043                  (string-to-int
2044                   (read-from-minibuffer "Jump to Message(No.): ")))))
2045     (setq num (int-to-string num))
2046     (beginning-of-line)
2047     (if (or (and (re-search-forward (concat "\r" num "[^0-9]") nil t)
2048                  (progn (backward-char 1) t))
2049             (re-search-backward (concat "\r" num "[^0-9]") nil t))
2050         (progn (beginning-of-line) t)
2051       nil)))
2052
2053 (defun wl-summary-highlight-msgs (msgs)
2054   (save-excursion
2055     (let ((len (length msgs))
2056           i)
2057       (message "Hilighting...")
2058       (setq i 0)
2059       (while msgs
2060         (if (wl-summary-jump-to-msg (car msgs))
2061             (wl-highlight-summary-current-line))
2062         (setq msgs (cdr msgs))
2063         (when (> len elmo-display-progress-threshold)
2064           (setq i (+ i 1))
2065           (if (or (zerop (% i 5)) (= i len))
2066               (elmo-display-progress
2067                'wl-summary-highlight-msgs "Highlighting..."
2068                (/ (* i 100) len)))))
2069       (message "Highlighting...done"))))
2070
2071 (defun wl-summary-message-number ()
2072   (save-excursion
2073     (beginning-of-line)
2074     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2075             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2076         (string-to-int (wl-match-buffer 1))
2077       nil)))
2078
2079 (defun wl-summary-delete-all-msgs ()
2080   (interactive)
2081   (let ((cur-buf (current-buffer))
2082         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2083     (set-buffer cur-buf)
2084     (if (null dels)
2085         (message "No message to delete.")
2086       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2087                             (wl-summary-buffer-folder-name)
2088                             (length dels)))
2089           (progn
2090             (message "Deleting...")
2091             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2092                                        'null)
2093             (wl-summary-set-message-modified)
2094             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2095                                           (list 0 0 0))
2096 ;;; for thread.
2097 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2098             (setq wl-summary-buffer-unread-count 0)
2099             (setq wl-summary-buffer-new-count    0)
2100             (wl-summary-update-modeline)
2101             (set-buffer cur-buf)
2102             (let ((inhibit-read-only t)
2103                   (buffer-read-only nil))
2104               (erase-buffer))
2105 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2106             (message "Deleting...done")
2107             t)
2108         nil))))
2109
2110 (defun wl-summary-toggle-thread (&optional arg)
2111   "Toggle thread status (T)hread and (S)equential.
2112 If ARG, without confirm."
2113   (interactive "P")
2114   (when (or arg
2115             (y-or-n-p (format "Toggle threading? (y=%s): "
2116                               (if (eq wl-summary-buffer-view 'thread)
2117                                   "\"off\"" "\"on\""))))
2118     (if (eq wl-summary-buffer-view 'thread)
2119         (setq wl-summary-buffer-view 'sequence)
2120       (setq wl-summary-buffer-view 'thread))
2121     (wl-summary-update-modeline)
2122     (force-mode-line-update)
2123     (wl-summary-rescan nil nil nil t)))
2124
2125 (defun wl-summary-load-file-object (filename)
2126   "Load lisp object from dir."
2127   (save-excursion
2128     (let ((tmp-buffer (get-buffer-create " *wl-summary-load-file-object*"))
2129           insert-file-contents-pre-hook   ; To avoid autoconv-xmas...
2130           insert-file-contents-post-hook
2131           ret-val)
2132       (if (not (file-readable-p filename))
2133           ()
2134         (set-buffer tmp-buffer)
2135         (as-binary-input-file (insert-file-contents filename))
2136         (setq ret-val
2137               (condition-case nil
2138                   (read (current-buffer))
2139                 (error (error "Reading failed")))))
2140       (kill-buffer tmp-buffer)
2141       ret-val)))
2142
2143 (defun wl-summary-goto-folder (&optional arg)
2144   (interactive "P")
2145   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2146
2147 (defun wl-summary-goto-folder-sticky ()
2148   (interactive)
2149   (wl-summary-goto-folder-subr nil nil nil t t))
2150
2151 (defun wl-summary-goto-last-visited-folder ()
2152   (interactive)
2153   (let ((entity
2154          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2155                                           wl-folder-entity
2156                                           'folder)))
2157     (if entity (wl-folder-set-current-entity-id
2158                 (wl-folder-get-entity-id entity))))
2159   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2160
2161 (defun wl-summary-sticky-p (&optional folder)
2162   (if folder
2163       (get-buffer (wl-summary-sticky-buffer-name
2164                    (elmo-folder-name-internal folder)))
2165     (not (string= wl-summary-buffer-name (buffer-name)))))
2166
2167 (defun wl-summary-always-sticky-folder-p (folder)
2168   (or (eq t wl-summary-always-sticky-folder-list)
2169       (wl-string-match-member
2170        (elmo-folder-name-internal folder)
2171        wl-summary-always-sticky-folder-list)))
2172
2173 (defun wl-summary-stick (&optional force)
2174   "Make current summary buffer sticky."
2175   (interactive "P")
2176   (if (wl-summary-sticky-p)
2177       (message "Current summary buffer is already sticky.")
2178     (when (or force (y-or-n-p "Stick current summary buffer? "))
2179       (wl-summary-toggle-disp-msg 'off)
2180       (wl-summary-switch-to-clone-buffer
2181        (wl-summary-sticky-buffer-name
2182         (wl-summary-buffer-folder-name)))
2183 ;;; ???hang up
2184 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2185 ;;;                   (wl-summary-buffer-folder-name))))
2186       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2187
2188 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2189   (let ((cur-buf (current-buffer))
2190         (msg (wl-summary-message-number))
2191         (buf (get-buffer-create buffer-name))
2192         (folder wl-summary-buffer-elmo-folder)
2193         (copy-variables
2194          (append '(wl-summary-buffer-view
2195                    wl-summary-buffer-temp-mark-list
2196                    wl-summary-buffer-target-mark-list
2197                    wl-summary-buffer-elmo-folder
2198                    wl-summary-buffer-number-column
2199                    wl-summary-buffer-temp-mark-column
2200                    wl-summary-buffer-persistent-mark-column
2201                    wl-summary-buffer-message-modified
2202                    wl-summary-buffer-thread-modified
2203                    wl-summary-buffer-number-list
2204                    wl-summary-buffer-unsync-mark-number-list
2205                    wl-summary-buffer-folder-name
2206                    wl-summary-buffer-line-formatter)
2207                  (and (eq wl-summary-buffer-view 'thread)
2208                       '(wl-thread-entity-hashtb
2209                         wl-thread-entities
2210                         wl-thread-entity-list))
2211                  (and wl-use-scoring
2212                       '(wl-summary-scored
2213                         wl-summary-default-score
2214                         wl-summary-important-above
2215                         wl-summary-target-above
2216                         wl-summary-mark-below
2217                         wl-summary-expunge-below))
2218                  (and (featurep 'wl-score)
2219                       '(wl-current-score-file
2220                         wl-score-alist)))))
2221     (set-buffer buf)
2222     (wl-summary-mode)
2223     (wl-summary-buffer-set-folder folder)
2224     (let ((buffer-read-only nil))
2225       (insert-buffer cur-buf))
2226     (set-buffer-modified-p nil)
2227     (while copy-variables
2228       (set (car copy-variables)
2229            (save-excursion
2230              (set-buffer cur-buf)
2231              (symbol-value (car copy-variables))))
2232       (setq copy-variables (cdr copy-variables)))
2233     (switch-to-buffer buf)
2234     (kill-buffer cur-buf)
2235     (wl-summary-count-unread)
2236     (wl-summary-update-modeline)
2237     (if msg
2238         (if (eq wl-summary-buffer-view 'thread)
2239             (wl-thread-jump-to-msg msg)
2240           (wl-summary-jump-to-msg msg))
2241       (goto-char (point-max))
2242       (beginning-of-line))))
2243
2244 (defun wl-summary-get-buffer (folder)
2245   (or (and folder
2246            (get-buffer (wl-summary-sticky-buffer-name folder)))
2247       (get-buffer wl-summary-buffer-name)))
2248
2249 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2250   (if force-sticky
2251       (get-buffer-create
2252        (wl-summary-sticky-buffer-name name))
2253     (or (get-buffer (wl-summary-sticky-buffer-name name))
2254         (get-buffer-create wl-summary-buffer-name))))
2255
2256 (defun wl-summary-make-number-list ()
2257   (save-excursion
2258     (goto-char (point-min))
2259     (setq wl-summary-buffer-number-list nil)
2260     (while (not (eobp))
2261       (setq wl-summary-buffer-number-list
2262             (cons (wl-summary-message-number)
2263                   wl-summary-buffer-number-list))
2264       (forward-line 1))
2265     (setq wl-summary-buffer-number-list
2266           (nreverse wl-summary-buffer-number-list))))
2267
2268 (defun wl-summary-auto-select-msg-p (unread-msg)
2269   (and unread-msg
2270        (not (elmo-message-has-global-flag-p
2271              wl-summary-buffer-elmo-folder unread-msg))))
2272
2273 (defsubst wl-summary-open-folder (folder)
2274   ;; Select folder
2275   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2276     (unwind-protect
2277         (elmo-folder-open folder 'load-msgdb)
2278       ;; For compatibility
2279       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2280                                            folder)))))
2281
2282 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2283                                               sticky interactive scoring
2284                                               force-exit)
2285   "Display target folder on summary."
2286   (interactive)
2287   (let* ((keep-cursor (memq this-command
2288                             wl-summary-keep-cursor-command))
2289          (name (or name (wl-summary-read-folder wl-default-folder)))
2290          (cur-fld wl-summary-buffer-elmo-folder)
2291          folder buf mes hilit reuse-buf
2292          retval entity)
2293     (if (string= name "")
2294         (setq name wl-default-folder))
2295     (setq folder (wl-folder-get-elmo-folder name))
2296     (when (and (not (string=
2297                      (and cur-fld (elmo-folder-name-internal cur-fld))
2298                      (elmo-folder-name-internal folder))) ; folder is moved.
2299                (eq major-mode 'wl-summary-mode)) ; called in summary.
2300       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2301       (run-hooks 'wl-summary-exit-pre-hook)
2302       (if (or force-exit (not (wl-summary-sticky-p)))
2303           (wl-summary-cleanup-temp-marks))
2304       (wl-summary-save-view)
2305       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2306       (if (and (wl-summary-sticky-p) force-exit)
2307           (kill-buffer (current-buffer))))
2308     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2309                                             sticky))
2310     (setq reuse-buf
2311           (save-excursion
2312             (set-buffer buf)
2313             (string= (elmo-folder-name-internal folder)
2314                      (wl-summary-buffer-folder-name))))
2315     (unwind-protect
2316         (if reuse-buf
2317             (if interactive
2318                 (switch-to-buffer buf)
2319               (set-buffer buf))
2320           (if other-window
2321               (delete-other-windows))
2322           (set-buffer buf)
2323           (when wl-summary-buffer-event-handler
2324             (elmo-folder-remove-handler wl-summary-buffer-elmo-folder
2325                                         wl-summary-buffer-event-handler))
2326           (unless (eq major-mode 'wl-summary-mode)
2327             (wl-summary-mode))
2328           (wl-summary-buffer-set-folder folder)
2329           (setq wl-summary-buffer-display-mime-mode
2330                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2331                     'as-is
2332                   'mime))
2333           (setq wl-summary-buffer-disp-msg nil)
2334           (setq wl-summary-buffer-last-displayed-msg nil)
2335           (setq wl-summary-buffer-current-msg nil)
2336           (let ((inhibit-read-only t)
2337                 (buffer-read-only nil))
2338             (erase-buffer)
2339             ;; Resume summary view
2340             (if wl-summary-cache-use
2341                 (let* ((dir (elmo-folder-msgdb-path folder))
2342                        (cache (expand-file-name wl-summary-cache-file dir))
2343                        (view (expand-file-name wl-summary-view-file dir)))
2344                   (when (file-exists-p cache)
2345                     (insert-file-contents-as-binary cache)
2346                     (set-buffer-multibyte
2347                      default-enable-multibyte-characters)
2348                     (decode-mime-charset-region
2349                      (point-min)(point-max)
2350                      wl-summary-buffer-mime-charset 'LF))
2351                   (if (file-exists-p view)
2352                       (setq wl-summary-buffer-view
2353                             (wl-summary-load-file-object view))
2354                     (setq wl-summary-buffer-view
2355                           (or (wl-get-assoc-list-value
2356                                wl-summary-default-view-alist
2357                                (elmo-folder-name-internal folder))
2358                               wl-summary-default-view)))
2359                   (wl-thread-resume-entity folder)
2360                   (wl-summary-open-folder folder)
2361                   (wl-summary-detect-mark-position))
2362               (setq wl-summary-buffer-view
2363                     (wl-summary-load-file-object
2364                      (expand-file-name wl-summary-view-file
2365                                        (elmo-folder-msgdb-path folder))))
2366               (wl-summary-open-folder folder)
2367               (wl-summary-detect-mark-position)
2368               (wl-summary-rescan))
2369             (wl-summary-count-unread)
2370             (wl-summary-update-modeline)))
2371       (unless (eq wl-summary-buffer-view 'thread)
2372         (wl-summary-make-number-list))
2373       (setq wl-summary-buffer-unsync-mark-number-list
2374             (copy-sequence wl-summary-buffer-number-list))
2375       (when (and wl-summary-cache-use
2376                  (or (and wl-summary-check-line-format
2377                           (wl-summary-line-format-changed-p))
2378                      (wl-summary-view-old-p)))
2379         (wl-summary-rescan))
2380       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2381       (unless (and reuse-buf keep-cursor)
2382         (unwind-protect
2383             (let ((wl-use-scoring
2384                    (if (or scoring interactive) wl-use-scoring)))
2385               (if (and (not scan-type)
2386                        interactive
2387                        (not wl-ask-range))
2388                   (setq scan-type (wl-summary-get-sync-range folder)))
2389               (cond
2390                ((eq scan-type nil)
2391                 (wl-summary-sync 'unset-cursor))
2392                ((eq scan-type 'all)
2393                 (wl-summary-sync 'unset-cursor "all"))
2394                ((eq scan-type 'no-sync))
2395                ((eq scan-type 'rescan)
2396                 (wl-summary-rescan))
2397                ((or (eq scan-type 'force-update)
2398                     (eq scan-type 'update))
2399                 (setq mes (wl-summary-sync-force-update
2400                            'unset-cursor)))))
2401           (if interactive
2402               (switch-to-buffer buf)
2403             (set-buffer buf))
2404           ;; stick always-sticky-folder
2405           (when (wl-summary-always-sticky-folder-p folder)
2406             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2407           (run-hooks 'wl-summary-prepared-pre-hook)
2408           (set-buffer-modified-p nil)
2409           (goto-char (point-min))
2410           (if (wl-summary-cursor-down t)
2411               (let ((unreadp (wl-summary-next-message
2412                               (wl-summary-message-number)
2413                               'down t)))
2414                 (cond ((and wl-auto-select-first
2415                             (wl-summary-auto-select-msg-p unreadp))
2416                        ;; wl-auto-select-first is non-nil and
2417                        ;; unreadp is non-nil but not flagged
2418                        (setq retval 'disp-msg))
2419                       ((and wl-auto-prefetch-first
2420                             (wl-summary-auto-select-msg-p unreadp))
2421                        ;; wl-auto-select-first is non-nil and
2422                        ;; unreadp is non-nil but not flagged
2423                        (setq retval 'prefetch-msg))
2424                       ((not (wl-summary-auto-select-msg-p unreadp))
2425                        ;; unreadp is nil or flagged
2426                        (setq retval 'more-next))))
2427             (goto-char (point-max))
2428             (if (elmo-folder-plugged-p folder)
2429                 (forward-line -1)
2430               (wl-summary-prev))
2431             (setq retval 'more-next))
2432           (if (and wl-summary-highlight
2433                    (not wl-summary-lazy-highlight)
2434                    (not reuse-buf))
2435               (if (and wl-summary-highlight-partial-threshold
2436                        (> (count-lines (point-min) (point-max))
2437                           wl-summary-highlight-partial-threshold))
2438                   (save-excursion
2439                     (forward-line (-
2440                                    0
2441                                    (or
2442                                     wl-summary-partial-highlight-above-lines
2443                                     wl-summary-highlight-partial-threshold)))
2444                     (wl-highlight-summary (point) (point-max)))
2445                 (wl-highlight-summary (point-min) (point-max))))
2446           (if (eq retval 'disp-msg)
2447               (wl-summary-redisplay))
2448           (if (eq retval 'prefetch-msg)
2449               (wl-message-buffer-prefetch
2450                folder
2451                (wl-summary-message-number)
2452                wl-message-buffer-prefetch-depth
2453                (current-buffer)
2454                wl-summary-buffer-mime-charset))
2455           (if mes (message "%s" mes))
2456           (if (and interactive wl-summary-recenter)
2457               (recenter (/ (- (window-height) 2) 2))))))
2458     ;; set current entity-id
2459     (when (and folder
2460                (setq entity
2461                      (wl-folder-search-entity-by-name
2462                       (elmo-folder-name-internal folder)
2463                       wl-folder-entity
2464                       'folder)))
2465       ;; entity-id is unknown.
2466       (wl-folder-set-current-entity-id
2467        (wl-folder-get-entity-id entity)))
2468     (when (and wl-summary-buffer-window-scroll-functions
2469                wl-on-xemacs)
2470       (sit-for 0))
2471     (when (or (eq t wl-summary-force-prefetch-folder-list)
2472               (wl-string-match-member
2473                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2474                wl-summary-force-prefetch-folder-list))
2475       (wl-summary-force-prefetch))
2476     (unwind-protect
2477         (run-hooks 'wl-summary-prepared-hook)
2478       (set-buffer-modified-p nil))
2479     retval))
2480
2481 (defun wl-summary-goto-previous-message-beginning ()
2482   (end-of-line)
2483   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2484   (beginning-of-line))
2485
2486 (defun wl-summary-goto-top-of-current-thread ()
2487   (wl-summary-jump-to-msg
2488    (wl-thread-entity-get-number
2489     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2490                                       (wl-summary-message-number))))))
2491
2492 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2493   (interactive)
2494   (let ((depth (or depth
2495                    (wl-thread-get-depth-of-current-line))))
2496     (forward-line 1)
2497     (while (and (not (eobp))
2498                 (>= (wl-thread-get-depth-of-current-line)
2499                     depth))
2500       (forward-line 1))
2501     (beginning-of-line)))
2502
2503 (defun wl-summary-insert-line (line)
2504   "Insert LINE in the Summary."
2505   (if wl-use-highlight-mouse-line
2506       ;; remove 'mouse-face of current line.
2507       (put-text-property
2508        (save-excursion (beginning-of-line)(point))
2509        (save-excursion (end-of-line)(point))
2510        'mouse-face nil))
2511   (insert line "\n")
2512   (if wl-use-highlight-mouse-line
2513       ;; remove 'mouse-face of current line.
2514       (put-text-property
2515        (save-excursion (beginning-of-line)(point))
2516        (save-excursion (end-of-line)(point))
2517        'mouse-face nil))
2518   (ignore-errors
2519     (run-hooks 'wl-summary-line-inserted-hook)))
2520
2521 (defun wl-summary-insert-sequential (entity folder &rest args)
2522   (when entity
2523     (let ((inhibit-read-only t)
2524           (number (elmo-message-entity-number entity))
2525           buffer-read-only)
2526       (goto-char (point-max))
2527       (wl-summary-insert-line
2528        (wl-summary-create-line entity nil nil
2529                                (elmo-message-flags
2530                                 wl-summary-buffer-elmo-folder
2531                                 number)
2532                                (elmo-message-cached-p
2533                                 wl-summary-buffer-elmo-folder
2534                                 number)))
2535       (setq wl-summary-buffer-number-list
2536             (wl-append wl-summary-buffer-number-list
2537                        (list (elmo-message-entity-number entity))))
2538       nil)))
2539
2540 (defun wl-summary-default-subject-filter (subject)
2541   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2542   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2543   (elmo-replace-in-string subject "^\\[.*\\]" ""))
2544
2545 (defun wl-summary-subject-equal (subject1 subject2)
2546   (string= (funcall wl-summary-subject-filter-function subject1)
2547            (funcall wl-summary-subject-filter-function subject2)))
2548
2549 (defmacro wl-summary-put-alike (alike)
2550   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2551                         (, alike)
2552                         wl-summary-alike-hashtb)))
2553
2554 (defmacro wl-summary-get-alike ()
2555   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2556                         wl-summary-alike-hashtb)))
2557
2558 (defun wl-summary-insert-headers (folder func mime-decode)
2559   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2560         ov this last alike)
2561     (buffer-disable-undo (current-buffer))
2562     (make-local-variable 'wl-summary-alike-hashtb)
2563     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2564     (when mime-decode
2565       (set-buffer-multibyte default-enable-multibyte-characters))
2566     (while (setq ov (elmo-message-entity folder (pop numbers)))
2567       (setq this (funcall func ov))
2568       (and this (setq this (std11-unfold-string this)))
2569       (if (equal last this)
2570           (setq alike (cons ov alike))
2571         (when last
2572           (wl-summary-put-alike alike)
2573           (insert last ?\n))
2574         (setq alike (list ov)
2575               last this)))
2576     (when last
2577       (wl-summary-put-alike alike)
2578       (insert last ?\n))
2579     (when mime-decode
2580       (decode-mime-charset-region (point-min) (point-max)
2581                                   elmo-mime-charset)
2582       (when (eq mime-decode 'mime)
2583         (eword-decode-region (point-min) (point-max))))
2584     (run-hooks 'wl-summary-insert-headers-hook)))
2585
2586 (defun wl-summary-search-by-subject (entity folder)
2587   (let ((summary-buf (current-buffer))
2588         (buf (get-buffer-create wl-summary-search-buf-name))
2589         (folder-name (wl-summary-buffer-folder-name))
2590         match founds result)
2591     (with-current-buffer buf
2592       (let ((case-fold-search t))
2593         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2594                   (zerop (buffer-size)))
2595           (setq wl-summary-search-buf-folder-name folder-name)
2596           (message "Creating subject cache...")
2597           (wl-summary-insert-headers
2598            folder
2599            (function
2600             (lambda (x)
2601               (funcall wl-summary-subject-filter-function
2602                        (elmo-message-entity-field x 'subject))))
2603            t)
2604           (message "Creating subject cache...done"))
2605         (setq match (funcall wl-summary-subject-filter-function
2606                              (elmo-message-entity-field entity 'subject
2607                                                         'decode)))
2608         (if (string= match "")
2609             (setq match "\n"))
2610         (goto-char (point-max))
2611         (while (and (null result)
2612                     (not (= (point) (point-min)))
2613                     (search-backward match nil t))
2614           ;; check exactly match
2615           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2616             (setq founds (wl-summary-get-alike))
2617             (with-current-buffer summary-buf
2618               (while founds
2619                 (when (and
2620                        ;; the first element of found-entity list exists on
2621                        ;; thread tree.
2622                        (wl-thread-get-entity
2623                         (elmo-message-entity-number (car founds)))
2624                        ;; message id is not same as myself.
2625                        (not (string=
2626                              (elmo-message-entity-field entity 'message-id)
2627                              (elmo-message-entity-field (car founds)
2628                                                         'message-id)))
2629                        ;; not a descendant.
2630                        (not (wl-thread-descendant-p
2631                              (elmo-message-entity-number entity)
2632                              (elmo-message-entity-number (car founds)))))
2633                   (setq result (car founds)
2634                         founds nil))
2635                 (setq founds (cdr founds))))))
2636         result))))
2637
2638 (defun wl-summary-insert-thread (entity folder update
2639                                         &optional force-insert)
2640   (let ((depth 0)
2641         this-id parent-entity parent-number
2642         number cur-entity linked retval delayed-entity
2643         update-list entity-stack thread-entity)
2644     (while entity
2645       (setq this-id (elmo-message-entity-field entity 'message-id)
2646             number (elmo-message-entity-number entity))
2647       (if (and wl-thread-saved-entity-hashtb-internal
2648                (setq thread-entity
2649                      (elmo-get-hash-val
2650                       (format "#%d" (elmo-message-entity-number entity))
2651                       wl-thread-saved-entity-hashtb-internal)))
2652           (setq parent-entity
2653                 (elmo-message-entity
2654                  folder
2655                  (wl-thread-entity-get-parent thread-entity))
2656                 linked (wl-thread-entity-get-linked thread-entity))
2657         (setq parent-entity (elmo-message-entity-parent folder entity)
2658               linked nil))
2659       (setq parent-number (and parent-entity
2660                                (elmo-message-entity-number parent-entity)))
2661       ;; If thread loop detected, set parent as nil.
2662       (let ((cur entity)
2663             anumber relatives)
2664         (while cur
2665           (when (setq anumber
2666                       (elmo-message-entity-number
2667                        (setq cur (elmo-message-entity-parent folder cur))))
2668             (if (memq anumber relatives)
2669                 (setq parent-number nil
2670                       cur nil))
2671             (setq relatives (cons anumber relatives)))))
2672       (if (and parent-number
2673                (not (wl-thread-get-entity parent-number))
2674                (not force-insert))
2675           ;; parent exists in overview, but not in wl-thread-entities
2676           (progn
2677             (wl-append wl-summary-delayed-update
2678                        (list (cons parent-number entity)))
2679             (setq entity nil)) ;; exit loop
2680         ;; Search parent by subject.
2681         (when (and (null parent-number)
2682                    wl-summary-search-parent-by-subject-regexp
2683                    (string-match
2684                     wl-summary-search-parent-by-subject-regexp
2685                     (elmo-message-entity-field entity 'subject)))
2686           (let ((found (wl-summary-search-by-subject entity folder)))
2687             (when (and found
2688                        (not (member found wl-summary-delayed-update)))
2689               (setq parent-entity found)
2690               (setq parent-number
2691                     (elmo-message-entity-number parent-entity))
2692               (setq linked t))))
2693         ;; If subject is change, divide thread.
2694         (if (and parent-number
2695                  wl-summary-divide-thread-when-subject-changed
2696                  (not (wl-summary-subject-equal
2697                        (or (elmo-message-entity-field entity
2698                                                       'subject t) "")
2699                        (or (elmo-message-entity-field parent-entity
2700                                                       'subject t) ""))))
2701             (setq parent-number nil))
2702         (setq retval
2703               (wl-thread-insert-message entity
2704                                         number parent-number update linked))
2705         (and retval
2706              (wl-append update-list (list retval)))
2707         (setq entity nil) ; exit loop
2708         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2709           (setq wl-summary-delayed-update
2710                 (delq delayed-entity wl-summary-delayed-update))
2711           ;; update delayed message
2712           (wl-append entity-stack (list (cdr delayed-entity)))))
2713       (if (and (not entity)
2714                entity-stack)
2715           (setq entity (pop entity-stack))))
2716     update-list))
2717
2718 (defun wl-summary-update-thread (entity
2719                                  thr-entity
2720                                  parent-entity)
2721   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2722          (overview-entity entity)
2723          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2724          (number (elmo-message-entity-number entity))
2725          (parent-number (elmo-message-entity-number parent-entity))
2726          insert-line)
2727     (cond
2728      ((or (not parent-id)
2729           (string= this-id parent-id))
2730       (goto-char (point-max))
2731       (beginning-of-line)
2732       (setq insert-line t))
2733      ;; parent already exists in buffer.
2734      ((wl-summary-jump-to-msg parent-number)
2735       (wl-thread-goto-bottom-of-sub-thread)
2736       (setq insert-line t)))
2737     (when insert-line
2738       (let (buffer-read-only)
2739         (wl-summary-insert-line
2740          (wl-summary-create-line
2741           entity
2742           parent-entity
2743           nil
2744           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2745           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2746           (wl-thread-maybe-get-children-num number)
2747           (wl-thread-make-indent-string thr-entity)
2748           (wl-thread-entity-get-linked thr-entity)))))))
2749
2750 (defun wl-summary-target-mark-msgs (msgs)
2751   "Return the number of marked messages."
2752   (let ((i 0))
2753     (dolist (number msgs)
2754       (when (wl-summary-target-mark number)
2755         (setq i (1+ i))))
2756     i))
2757
2758 (defun wl-summary-pick (&optional from-list delete-marks)
2759   (interactive "i\nP")
2760   (save-excursion
2761     (let* ((messages (or from-list
2762                          (elmo-folder-list-messages
2763                           wl-summary-buffer-elmo-folder
2764                           'visible
2765                           'in-msgdb)
2766                          (error "No messages")))
2767            (condition (car (elmo-parse-search-condition
2768                             (elmo-read-search-condition
2769                              wl-summary-pick-field-default))))
2770            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2771                                        condition
2772                                        messages))
2773            num)
2774       (if delete-marks
2775           (let ((mlist wl-summary-buffer-target-mark-list))
2776             (while mlist
2777               (when (wl-summary-jump-to-msg (car mlist))
2778                 (wl-summary-unmark))
2779               (setq mlist (cdr mlist)))
2780             (setq wl-summary-buffer-target-mark-list nil)))
2781       (if (and result
2782                (setq num (wl-summary-target-mark-msgs result))
2783                (> num 0))
2784           (if (= num (length result))
2785               (message "%d message(s) are picked." num)
2786             (message "%d(%d) message(s) are picked." num
2787                      (- (length result) num)))
2788         (message "No message was picked.")))))
2789
2790 (defun wl-summary-unvirtual ()
2791   "Exit from current virtual folder."
2792   (interactive)
2793   (if (eq 'filter
2794           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2795       (wl-summary-goto-folder-subr
2796        (elmo-folder-name-internal
2797         (elmo-filter-folder-target-internal
2798          wl-summary-buffer-elmo-folder))
2799        'update nil nil t)
2800     (error "This folder is not filtered")))
2801
2802 (defun wl-summary-virtual (&optional arg)
2803   "Goto virtual folder.
2804 If ARG, exit virtual folder."
2805   (interactive "P")
2806   (if arg
2807       (wl-summary-unvirtual)
2808     (wl-summary-goto-folder-subr (concat "/"
2809                                          (elmo-read-search-condition
2810                                           wl-summary-pick-field-default)
2811                                          "/"
2812                                          (wl-summary-buffer-folder-name))
2813                                  'update nil nil t)
2814     (run-hooks 'wl-summary-virtual-hook)))
2815
2816 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2817   "Erase all temp marks from buffer."
2818   (interactive)
2819   (when (or wl-summary-buffer-target-mark-list
2820             wl-summary-buffer-temp-mark-list
2821             wl-summary-scored)
2822     (save-excursion
2823       (goto-char (point-min))
2824       (unless no-msg
2825         (message "Unmarking..."))
2826       (while (not (eobp))
2827         (wl-summary-unset-mark nil nil force)
2828         (forward-line 1))
2829       (unless no-msg
2830         (message "Unmarking...done"))
2831       (setq wl-summary-buffer-target-mark-list nil)
2832       (setq wl-summary-buffer-temp-mark-list nil))))
2833
2834 (defsubst wl-summary-temp-mark (&optional number)
2835   "Return temp-mark string of current line."
2836   (let ((number (or number (wl-summary-message-number)))
2837         info)
2838     (or (and (wl-summary-have-target-mark-p number)
2839              "*")
2840         (and (setq info (wl-summary-registered-temp-mark number))
2841              (nth 1 info))
2842         (wl-summary-get-score-mark number)
2843         " ")))
2844
2845 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2846   "Return the persistent mark string.
2847 The mark is decided according to the FOLDER, FLAGS and CACHED."
2848   (let ((priorities wl-summary-persistent-mark-priority-list)
2849         mark)
2850     (while (and (null mark) priorities)
2851       (if (and (eq (car priorities) 'flag)
2852                (elmo-get-global-flags flags 'ignore-preserved))
2853           (let ((specs wl-summary-flag-alist)
2854                 spec)
2855             (while (setq spec (car specs))
2856               (if (memq (car spec) flags)
2857                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2858                         specs nil)
2859                 (setq specs (cdr specs))))
2860             (unless mark
2861               (setq mark wl-summary-flag-mark)))
2862         (when (memq (car priorities) flags)
2863           (setq mark
2864                 (let ((var
2865                        (intern
2866                         (if cached
2867                             (format
2868                              "wl-summary-%s-cached-mark" (car priorities))
2869                           (format
2870                            "wl-summary-%s-uncached-mark" (car priorities))))))
2871                   (if (and (boundp var)
2872                            (symbol-value var))
2873                       (symbol-value var)
2874                     (if cached
2875                         (downcase (substring (symbol-name (car priorities))
2876                                              0 1))
2877                       (upcase (substring (symbol-name (car priorities))
2878                                          0 1))))))))
2879       (setq priorities (cdr priorities)))
2880     (or mark
2881         (if (or cached (elmo-folder-local-p folder))
2882             nil
2883           wl-summary-uncached-mark))))
2884
2885 (defsubst wl-summary-message-mark (folder number &optional flags)
2886   "Return mark of the message."
2887   (ignore-errors
2888     (wl-summary-persistent-mark-string
2889      folder
2890      (or flags (setq flags (elmo-message-flags folder number)))
2891      (memq 'cached flags) ; XXX for speed-up.
2892      )))
2893
2894 (defsubst wl-summary-persistent-mark (&optional number flags)
2895   "Return persistent-mark string of current line."
2896   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
2897                                (or number (wl-summary-message-number))
2898                                flags)
2899       " "))
2900
2901 (defun wl-summary-put-temp-mark (mark)
2902   "Put temp MARK on current line."
2903   (when wl-summary-buffer-temp-mark-column
2904     (save-excursion
2905       (beginning-of-line)
2906       (let ((inhibit-read-only t)
2907             (buffer-read-only nil))
2908         (move-to-column wl-summary-buffer-temp-mark-column)
2909         (delete-backward-char 1)
2910         (insert mark)))))
2911
2912 (defun wl-summary-next-buffer ()
2913   "Switch to next summary buffer."
2914   (interactive)
2915   (let ((buffers (sort (wl-collect-summary)
2916                        (lambda (buffer1 buffer2)
2917                          (string-lessp (buffer-name buffer1)
2918                                        (buffer-name buffer2))))))
2919     (switch-to-buffer
2920      (or (cadr (memq (current-buffer) buffers))
2921          (car buffers)))))
2922
2923 (defun wl-summary-previous-buffer ()
2924   "Switch to previous summary buffer."
2925   (interactive)
2926   (let ((buffers (sort (wl-collect-summary)
2927                        (lambda (buffer1 buffer2)
2928                          (not (string-lessp (buffer-name buffer1)
2929                                             (buffer-name buffer2)))))))
2930     (switch-to-buffer
2931      (or (cadr (memq (current-buffer) buffers))
2932          (car buffers)))))
2933
2934 (defun wl-summary-check-target-mark ()
2935   (when (null wl-summary-buffer-target-mark-list)
2936     (error "No marked message")))
2937
2938 (defun wl-summary-target-mark-mark-as-read ()
2939   (interactive)
2940   (wl-summary-check-target-mark)
2941   (save-excursion
2942     (goto-char (point-min))
2943     (let ((inhibit-read-only t)
2944           (buffer-read-only nil)
2945           wl-summary-buffer-disp-msg)
2946       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
2947       (dolist (number wl-summary-buffer-target-mark-list)
2948         (wl-summary-unset-mark number)))))
2949
2950 (defun wl-summary-target-mark-mark-as-unread ()
2951   (interactive)
2952   (wl-summary-check-target-mark)
2953   (save-excursion
2954     (goto-char (point-min))
2955     (let ((inhibit-read-only t)
2956           (buffer-read-only nil)
2957           wl-summary-buffer-disp-msg)
2958       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
2959       (dolist (number wl-summary-buffer-target-mark-list)
2960         (wl-summary-unset-mark number)))))
2961
2962 (defun wl-summary-target-mark-operation (flag &optional inverse)
2963   (wl-summary-check-target-mark)
2964   (save-excursion
2965     (let ((inhibit-read-only t)
2966           (buffer-read-only nil)
2967           wl-summary-buffer-disp-msg)
2968       (funcall
2969        (intern (format "wl-summary-mark-as-%s-internal" flag))
2970        inverse
2971        wl-summary-buffer-target-mark-list)
2972       (wl-summary-delete-all-target-marks))))
2973
2974 (defun wl-summary-target-mark-mark-as-important (&optional remove)
2975   (interactive "P")
2976   (wl-summary-target-mark-operation 'important remove))
2977
2978 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
2979   (interactive "P")
2980   (wl-summary-target-mark-operation 'answered remove))
2981
2982 (defun wl-summary-target-mark-set-flags (&optional remove)
2983   (interactive "P")
2984   (wl-summary-check-target-mark)
2985   (save-excursion
2986     (let ((inhibit-read-only t)
2987           (buffer-read-only nil)
2988           wl-summary-buffer-disp-msg)
2989       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
2990                                      nil nil remove)
2991       (wl-summary-delete-all-target-marks)
2992       (wl-summary-count-unread)
2993       (wl-summary-update-modeline))))
2994
2995 (defun wl-summary-target-mark-save ()
2996   (interactive)
2997   (wl-summary-check-target-mark)
2998   (let ((wl-save-dir
2999          (wl-read-directory-name "Save to directory: "
3000                                  wl-temporary-file-directory))
3001         number)
3002     (if (null (file-exists-p wl-save-dir))
3003         (make-directory wl-save-dir))
3004     (while (setq number (car wl-summary-buffer-target-mark-list))
3005       (wl-thread-jump-to-msg number)
3006       (wl-summary-save t wl-save-dir)
3007       (wl-summary-unmark))))
3008
3009 (defun wl-summary-target-mark-pick ()
3010   (interactive)
3011   (wl-summary-check-target-mark)
3012   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3013
3014 (defun wl-summary-update-persistent-mark (&optional number flags)
3015   "Synch up persistent mark of current line with msgdb's.
3016 Return non-nil if the mark is updated"
3017   (interactive)
3018   (prog1
3019       (when wl-summary-buffer-persistent-mark-column
3020         (save-excursion
3021           (move-to-column wl-summary-buffer-persistent-mark-column)
3022           (let ((inhibit-read-only t)
3023                 (buffer-read-only nil)
3024                 (mark (buffer-substring (- (point) 1) (point)))
3025                 (new-mark (wl-summary-persistent-mark number flags)))
3026             (unless (string= new-mark mark)
3027               (delete-backward-char 1)
3028               (insert new-mark)
3029               (wl-summary-set-message-modified)
3030               t))))
3031     (when wl-summary-highlight
3032       (wl-highlight-summary-current-line))
3033     (set-buffer-modified-p nil)))
3034
3035 (defsubst wl-summary-mark-as-read-internal (inverse
3036                                             number-or-numbers
3037                                             no-folder-mark
3038                                             no-modeline-update)
3039   (save-excursion
3040     (let ((folder wl-summary-buffer-elmo-folder)
3041           unread-message number
3042           number-list)
3043       (setq number-list (cond ((numberp number-or-numbers)
3044                                (setq unread-message
3045                                      (elmo-message-flagged-p
3046                                       folder
3047                                       number-or-numbers
3048                                       'unread))
3049                                (list number-or-numbers))
3050                               ((and (not (null number-or-numbers))
3051                                     (listp number-or-numbers))
3052                                number-or-numbers)
3053                               ((setq number (wl-summary-message-number))
3054                                ;; interactive
3055                                (setq unread-message
3056                                      (elmo-message-flagged-p
3057                                       folder
3058                                       number
3059                                       'unread))
3060                                (list number))))
3061       (if (null number-list)
3062           (message "No message.")
3063         (if inverse
3064             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3065           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3066         (when (and unread-message
3067                    (not inverse))
3068           (dolist (number number-list)
3069             (wl-summary-jump-to-msg number)
3070             (run-hooks 'wl-summary-unread-message-hook)))
3071         (unless no-modeline-update
3072           ;; Update unread numbers.
3073           (wl-summary-count-unread)
3074           (wl-summary-update-modeline)
3075           (wl-folder-update-unread
3076            (wl-summary-buffer-folder-name)
3077            wl-summary-buffer-unread-count))))))
3078
3079 (defun wl-summary-mark-as-read (&optional number-or-numbers
3080                                           no-folder-mark
3081                                           no-modeline-update)
3082   (interactive)
3083   (wl-summary-mark-as-read-internal nil
3084                                     number-or-numbers
3085                                     no-folder-mark
3086                                     no-modeline-update))
3087
3088 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3089                                             no-folder-mark
3090                                             no-modeline-update)
3091   (interactive)
3092   (wl-summary-mark-as-read-internal 'inverse
3093                                     number-or-numbers
3094                                     no-folder-mark
3095                                     no-modeline-update))
3096
3097 (defsubst wl-summary-set-persistent-mark-internal (inverse
3098                                                    flag
3099                                                    &optional number-or-numbers
3100                                                    no-modeline-update
3101                                                    no-server
3102                                                    interactive)
3103   "Set persistent mark."
3104   (save-excursion
3105     (let ((folder wl-summary-buffer-elmo-folder)
3106           number number-list)
3107       (setq number-list (cond ((numberp number-or-numbers)
3108                                (list number-or-numbers))
3109                               ((and (not (null number-or-numbers))
3110                                     (listp number-or-numbers))
3111                                number-or-numbers)
3112                               ((setq number (wl-summary-message-number))
3113                                ;; interactive
3114                                (list number))))
3115       (if (null number-list)
3116           (message "No message.")
3117         ;; XXX Only the first element of the list is checked.
3118         (if (elmo-message-flag-available-p folder (car number-list) flag)
3119             (progn
3120               (if inverse
3121                   (elmo-folder-unset-flag folder number-list flag no-server)
3122                 (elmo-folder-set-flag folder number-list flag no-server))
3123               (unless no-modeline-update
3124                 ;; Update unread numbers.
3125                 ;; should elmo-flag-mark-as-read return unread numbers?
3126                 (wl-summary-count-unread)
3127                 (wl-summary-update-modeline)
3128                 (wl-folder-update-unread
3129                  (wl-summary-buffer-folder-name)
3130                  wl-summary-buffer-unread-count)))
3131           (if interactive
3132               (error "Flag `%s' is not available in this folder" flag)))))))
3133
3134 (defun wl-summary-unset-persistent-mark (&optional flag
3135                                                    number-or-numbers
3136                                                    no-modeline-update
3137                                                    no-server)
3138   "Unset persistent mark."
3139   (interactive)
3140   (when (interactive-p)
3141     (let ((completion-ignore-case t))
3142       (setq flag (intern (downcase
3143                           (completing-read
3144                            "Mark name: "
3145                            (mapcar (lambda (flag)
3146                                      (list (capitalize (symbol-name flag))))
3147                                    (wl-summary-get-available-flags))
3148                            nil
3149                            'require-match))))))
3150   (wl-summary-set-persistent-mark-internal 'inverse
3151                                            flag
3152                                            number-or-numbers
3153                                            no-modeline-update
3154                                            no-server
3155                                            (interactive-p)))
3156
3157 (defun wl-summary-set-persistent-mark (&optional flag
3158                                                  number-or-numbers
3159                                                  no-modeline-update
3160                                                  no-server)
3161   "Set persistent mark."
3162   (interactive)
3163   (when (interactive-p)
3164     (let ((completion-ignore-case t))
3165       (setq flag (intern (downcase
3166                           (completing-read
3167                            "Mark name: "
3168                            (mapcar (lambda (flag)
3169                                      (list (capitalize (symbol-name flag))))
3170                                    (wl-summary-get-available-flags))
3171                            nil
3172                            'require-match))))))
3173   (wl-summary-set-persistent-mark-internal nil
3174                                            flag
3175                                            number-or-numbers
3176                                            no-modeline-update
3177                                            no-server
3178                                            (interactive-p)))
3179
3180 (defun wl-summary-toggle-persistent-mark (&optional force)
3181   "Toggle persistent mark."
3182   (interactive "P")
3183   (let ((completion-ignore-case t)
3184         flag)
3185     (setq flag (intern (downcase
3186                         (completing-read
3187                          "Mark name: "
3188                          (mapcar (lambda (flag)
3189                                    (list (capitalize (symbol-name flag))))
3190                                  (wl-summary-get-available-flags))
3191                          nil
3192                          'require-match))))
3193     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3194                                      (wl-summary-message-number)
3195                                      flag)
3196              (not force))
3197         (wl-summary-unset-persistent-mark flag)
3198       (wl-summary-set-persistent-mark flag))))
3199
3200 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3201                                               no-modeline-update)
3202   (interactive)
3203   (wl-summary-set-persistent-mark-internal
3204    (and (interactive-p)
3205         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3206                                 (wl-summary-message-number)
3207                                 'answered))
3208    'answered
3209    number-or-numbers
3210    no-modeline-update
3211    nil
3212    (interactive-p)))
3213
3214 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3215                                                 no-modeline-update)
3216   (wl-summary-set-persistent-mark-internal
3217    'inverse
3218    'answered
3219    number-or-numbers
3220    no-modeline-update))
3221
3222 (defun wl-summary-decide-flag (folder number)
3223   (let ((flags (elmo-get-global-flags (elmo-message-flags
3224                                        folder number)))
3225         (completion-ignore-case t)
3226         new-flags)
3227     (setq new-flags
3228           (delq nil
3229                 (mapcar
3230                  (lambda (flag)
3231                    (and (> (length flag) 0)
3232                         (intern (downcase flag))))
3233                  (wl-completing-read-multiple
3234                   "Flags: "
3235                   (mapcar (lambda (flag)
3236                             (list (capitalize (symbol-name flag))))
3237                           elmo-global-flags)
3238                   nil nil (mapconcat (lambda (flag)
3239                                        (capitalize (symbol-name flag)))
3240                                      flags
3241                                      ",")))))
3242     (dolist (flag new-flags)
3243       (unless (memq flag elmo-global-flags)
3244         (when (elmo-local-flag-p flag)
3245           (error "Cannot treat `%s'." flag))
3246         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3247                               (capitalize (symbol-name flag))))
3248             (setq elmo-global-flags (append
3249                                      elmo-global-flags
3250                                      (list flag)))
3251           (error "Stopped"))))
3252     new-flags))
3253
3254 (defsubst wl-summary-set-flags-internal (&optional
3255                                         number-or-numbers
3256                                         flags
3257                                         local
3258                                         remove-all)
3259   (save-excursion
3260     (let ((folder wl-summary-buffer-elmo-folder)
3261           number number-list)
3262       (setq number-list (cond ((numberp number-or-numbers)
3263                                (list number-or-numbers))
3264                               ((and (not (null number-or-numbers))
3265                                     (listp number-or-numbers))
3266                                number-or-numbers)
3267                               ((setq number (wl-summary-message-number))
3268                                ;; interactive
3269                                (list number))))
3270       (if remove-all
3271           (setq flags nil)
3272         (unless flags
3273           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3274       (if (null number-list)
3275           (message "No message.")
3276         (dolist (number number-list)
3277           (elmo-message-set-global-flags folder number flags local)))
3278       flags)))
3279
3280 (defun wl-summary-set-flags (&optional remove)
3281   (interactive "P")
3282   (wl-summary-set-flags-internal nil nil nil remove))
3283
3284 (defun wl-summary-mark-as-important (&optional prompt)
3285   (interactive "P")
3286   (if prompt
3287       (wl-summary-set-flags-internal)
3288     (wl-summary-set-persistent-mark-internal
3289      (and (interactive-p)
3290           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3291                                   (wl-summary-message-number)
3292                                   'important))
3293      'important
3294      nil nil nil (interactive-p))))
3295
3296 ;;; Summary line.
3297 (defvar wl-summary-line-formatter nil)
3298
3299 (defun wl-summary-view-old-p ()
3300   "Return non-nil when summary view cache has old format."
3301   (save-excursion
3302     (goto-char (point-min))
3303     (and wl-summary-buffer-number-list
3304          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3305
3306 (defun wl-summary-line-format-changed-p ()
3307   "Return non-nil when summary line format is changed."
3308   (not (string=
3309         wl-summary-buffer-line-format
3310         (or (elmo-object-load (expand-file-name
3311                                wl-summary-line-format-file
3312                                (elmo-folder-msgdb-path
3313                                 wl-summary-buffer-elmo-folder))
3314                               wl-summary-buffer-mime-charset)
3315             wl-summary-buffer-line-format))))
3316
3317 (defun wl-summary-line-format-save ()
3318   "Save current summary line format."
3319   (elmo-object-save
3320    (expand-file-name wl-summary-line-format-file
3321                      (elmo-folder-msgdb-path
3322                       wl-summary-buffer-elmo-folder))
3323    wl-summary-buffer-line-format
3324    wl-summary-buffer-mime-charset))
3325
3326 (defun wl-summary-line-number ()
3327   (wl-set-string-width
3328    (- wl-summary-buffer-number-column)
3329    (number-to-string
3330     (elmo-message-entity-number wl-message-entity))))
3331
3332 (defun wl-summary-line-year ()
3333   (aref wl-datevec 0))
3334 (defun wl-summary-line-month ()
3335   (format "%02d" (aref wl-datevec 1)))
3336 (defun wl-summary-line-day ()
3337   (format "%02d" (aref wl-datevec 2)))
3338 (defun wl-summary-line-day-of-week ()
3339   (condition-case nil
3340       (elmo-date-get-week (aref wl-datevec 0)
3341                           (aref wl-datevec 1)
3342                           (aref wl-datevec 2))
3343     (error "??")))
3344 (defun wl-summary-line-hour ()
3345   (format "%02d" (aref wl-datevec 3)))
3346 (defun wl-summary-line-minute ()
3347   (format "%02d" (aref wl-datevec 4)))
3348
3349 (defun wl-summary-line-size ()
3350   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3351     (if size
3352         (cond
3353          ((<= 1 (/ size 1048576))
3354           (format "%.0fM" (/ size 1048576.0)))
3355          ((<= 1 (/ size 1024))
3356           (format "%.0fK" (/ size 1024.0)))
3357          (t (format "%dB" size)))
3358       "")))
3359
3360 (defun wl-summary-line-subject ()
3361   (let (no-parent subject parent-raw-subject parent-subject)
3362     (if (string= wl-thr-indent-string "")
3363         (setq no-parent t)) ; no parent
3364     (setq subject
3365           (elmo-delete-char ?\n
3366                             (or (elmo-message-entity-field
3367                                  wl-message-entity
3368                                  'subject t)
3369                                 wl-summary-no-subject-message)))
3370     (setq parent-raw-subject
3371           (elmo-message-entity-field wl-parent-message-entity
3372                                      'subject t))
3373     (setq parent-subject
3374           (if parent-raw-subject
3375               (elmo-delete-char ?\n parent-raw-subject)))
3376     (if (or no-parent
3377             (null parent-subject)
3378             (not (wl-summary-subject-equal
3379                   subject parent-subject)))
3380         (funcall wl-summary-subject-function subject)
3381       "")))
3382
3383 (defun wl-summary-line-from ()
3384   (elmo-delete-char ?\n
3385                     (funcall wl-summary-from-function
3386                              (elmo-message-entity-field
3387                               wl-message-entity
3388                               'from t))))
3389
3390 (defun wl-summary-line-list-info ()
3391   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3392     (if (car list-info)
3393         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3394                 (car list-info) (cdr list-info))
3395       "")))
3396
3397 (defun wl-summary-line-list-count ()
3398   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3399     (if ml-count
3400         (format "%.0f" ml-count)
3401       "")))
3402
3403 (defun wl-summary-line-attached ()
3404   (let ((content-type (elmo-message-entity-field
3405                        wl-message-entity 'content-type))
3406         (case-fold-search t))
3407     (if (and content-type
3408              (string-match "multipart/mixed" content-type))
3409         "@"
3410       "")))
3411
3412 ;;; For future use.
3413 ;;(defun wl-summary-line-cached ()
3414 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3415 ;;                           (elmo-message-entity-number wl-message-entity))
3416 ;;      " "
3417 ;;    "u"))
3418
3419 (defun wl-summary-create-line (wl-message-entity
3420                                wl-parent-message-entity
3421                                wl-temp-mark
3422                                wl-flags
3423                                wl-cached
3424                                &optional
3425                                wl-thr-children-number
3426                                wl-thr-indent-string
3427                                wl-thr-linked)
3428   "Create a summary line."
3429   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3430         (wl-persistent-mark (wl-summary-persistent-mark-string
3431                              wl-summary-buffer-elmo-folder
3432                              wl-flags
3433                              wl-cached))
3434         (elmo-mime-charset wl-summary-buffer-mime-charset)
3435         (elmo-lang wl-summary-buffer-weekday-name-lang)
3436         (wl-datevec (or (ignore-errors (timezone-fix-time
3437                                         (elmo-message-entity-field
3438                                          wl-message-entity
3439                                          'date)
3440                                         nil
3441                                         wl-summary-fix-timezone))
3442                         (make-vector 5 0)))
3443         (entity wl-message-entity) ; backward compatibility.
3444         line mark)
3445     (if (and wl-thr-indent-string
3446              wl-summary-indent-length-limit
3447              (< wl-summary-indent-length-limit
3448                 (string-width wl-thr-indent-string)))
3449         (setq wl-thr-indent-string (wl-set-string-width
3450                                     wl-summary-indent-length-limit
3451                                     wl-thr-indent-string)))
3452     (setq line (funcall wl-summary-buffer-line-formatter))
3453     (if wl-summary-width (setq line
3454                                (wl-set-string-width
3455                                 (- wl-summary-width 1) line nil
3456                                 'ignore-invalid)))
3457     (setq line (concat line
3458                        "\r"
3459                        (number-to-string
3460                         (elmo-message-entity-number
3461                          wl-message-entity))))
3462     (if wl-summary-highlight
3463         (wl-highlight-summary-line-string
3464          (elmo-message-entity-number wl-message-entity)
3465          line
3466          wl-flags
3467          wl-temp-mark
3468          wl-thr-indent-string))
3469     line))
3470
3471 (defsubst wl-summary-proc-wday (wday-str year month mday)
3472   (save-match-data
3473     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3474         (wl-match-string 1 wday-str)
3475       (elmo-date-get-week year month mday))))
3476
3477 (defvar wl-summary-move-spec-alist
3478   '((new . ((t . nil)
3479             (p . new)
3480             (p . unread)
3481             (p . digest)))
3482     (unread . ((t . nil)
3483                (p . unread)
3484                (p . digest)))))
3485
3486 (defsubst wl-summary-next-message (num direction hereto)
3487   (if wl-summary-buffer-next-message-function
3488       (funcall wl-summary-buffer-next-message-function num direction hereto)
3489     (let ((cur-spec (cdr (assq wl-summary-move-order
3490                                wl-summary-move-spec-alist)))
3491           (nums (memq num (if (eq direction 'up)
3492                               (reverse wl-summary-buffer-number-list)
3493                             wl-summary-buffer-number-list)))
3494           flagged-list nums2)
3495       (unless hereto (setq nums (cdr nums)))
3496       (setq nums2 nums)
3497       (if cur-spec
3498           (catch 'done
3499             (while cur-spec
3500               (setq nums nums2)
3501               (cond ((eq (car (car cur-spec)) 'p)
3502                      (if (setq flagged-list
3503                                (elmo-folder-list-flagged
3504                                 wl-summary-buffer-elmo-folder
3505                                 (cdr (car cur-spec)) t))
3506                          (while nums
3507                            (if (and (memq (car nums) flagged-list)
3508                                     (elmo-message-accessible-p
3509                                      wl-summary-buffer-elmo-folder
3510                                      (car nums)))
3511                                (throw 'done (car nums)))
3512                            (setq nums (cdr nums)))))
3513                     ((eq (car (car cur-spec)) 't)
3514                      (if wl-summary-buffer-target-mark-list
3515                          (while nums
3516                            (if (memq (car nums)
3517                                      wl-summary-buffer-target-mark-list)
3518                                (throw 'done (car nums)))
3519                            (setq nums (cdr nums))))))
3520               (setq cur-spec (cdr cur-spec))))
3521         (car nums)))))
3522
3523 (defsubst wl-summary-cursor-move (direction hereto)
3524   (when (and (eq direction 'up)
3525              (eobp))
3526     (forward-line -1)
3527     (setq hereto t))
3528   (let (num)
3529     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3530                                              direction hereto))
3531       (if (numberp num)
3532           (wl-thread-jump-to-msg num))
3533       t)))
3534 ;;
3535 ;; Goto unread or global flag message
3536 ;; returns t if next message exists in this folder.
3537 (defun wl-summary-cursor-down (&optional hereto)
3538   (interactive "P")
3539   (wl-summary-cursor-move 'down hereto))
3540
3541 (defun wl-summary-cursor-up (&optional hereto)
3542   (interactive "P")
3543   (wl-summary-cursor-move 'up hereto))
3544
3545 (defun wl-summary-save-view-cache ()
3546   (save-excursion
3547     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3548            (cache (expand-file-name wl-summary-cache-file dir))
3549            (view (expand-file-name wl-summary-view-file dir))
3550            (save-view wl-summary-buffer-view)
3551            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3552            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3553            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3554            (temp-column wl-summary-buffer-temp-mark-column)
3555            (charset wl-summary-buffer-mime-charset))
3556       (when dir
3557         (if (file-directory-p dir)
3558             (); ok.
3559           (if (file-exists-p dir)
3560               (error "File %s already exists" dir)
3561             (elmo-make-directory dir)))
3562         (if (eq save-view 'thread)
3563             (wl-thread-save-entity dir))
3564         (when wl-summary-check-line-format
3565           (wl-summary-line-format-save))
3566         (unwind-protect
3567             (progn
3568               (when (file-writable-p cache)
3569                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3570                 (with-current-buffer tmp-buffer
3571                   (widen)
3572                   (make-local-variable 'wl-summary-highlight)
3573                   (setq wl-summary-highlight nil
3574                         wl-summary-buffer-target-mark-list mark-list
3575                         wl-summary-buffer-temp-mark-list temp-list
3576                         wl-summary-buffer-temp-mark-column temp-column)
3577                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3578                   (encode-coding-region
3579                    (point-min) (point-max)
3580                    (or (and wl-on-mule
3581                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3582                             (mime-charset-to-coding-system charset 'LF))
3583                        ;; Mule 2 doesn't have `*ctext*unix'.
3584                        (mime-charset-to-coding-system charset)))
3585                   (write-region-as-binary (point-min)(point-max)
3586                                           cache nil 'no-msg)))
3587               (when (file-writable-p view) ; 'thread or 'sequence
3588                 (save-excursion
3589                   (set-buffer tmp-buffer)
3590                   (erase-buffer)
3591                   (prin1 save-view tmp-buffer)
3592                   (princ "\n" tmp-buffer)
3593                   (write-region (point-min) (point-max) view nil 'no-msg))))
3594           ;; kill tmp buffer.
3595           (kill-buffer tmp-buffer))))))
3596
3597 (defsubst wl-summary-get-sync-range (folder)
3598   (intern (or (and
3599                (elmo-folder-plugged-p folder)
3600                (wl-get-assoc-list-value
3601                 wl-folder-sync-range-alist
3602                 (elmo-folder-name-internal folder)
3603                 'function))
3604               wl-default-sync-range)))
3605
3606 ;; redefined for wl-summary-sync-update
3607 (defun wl-summary-input-range (folder)
3608   "returns update or all or rescan."
3609   ;; for the case when parts are expanded in the bottom of the folder
3610   (let ((input-range-list '("no-sync"
3611                             "first:"
3612                             "last:"
3613                             "cache-status"
3614                             "mark"
3615                             "rescan"
3616                             "rescan-noscore"
3617                             "rescan-thread"
3618                             "update"
3619                             "update-entirely"
3620                             "all"
3621                             "all-entirely"))
3622         (default (or (wl-get-assoc-list-value
3623                       wl-folder-sync-range-alist
3624                       folder
3625                       'function)
3626                      wl-default-sync-range))
3627         range)
3628     (setq range
3629           (completing-read (format "Range (%s): " default)
3630                            (mapcar
3631                             (function (lambda (x) (cons x x)))
3632                             input-range-list)))
3633     (if (string= range "")
3634         default
3635       range)))
3636
3637 (defun wl-summary-toggle-disp-folder (&optional arg)
3638   (interactive)
3639   (let ((cur-buf (current-buffer))
3640         (summary-win (get-buffer-window (current-buffer)))
3641         fld-buf fld-win)
3642     (cond
3643      ((eq arg 'on)
3644       (setq wl-summary-buffer-disp-folder t)
3645       ;; hide your folder window
3646       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3647           (if (setq fld-win (get-buffer-window fld-buf))
3648               (delete-window fld-win))))
3649      ((eq arg 'off)
3650       (setq wl-summary-buffer-disp-folder nil)
3651       ;; hide your wl-message window!
3652       (when (buffer-live-p wl-message-buffer)
3653         (wl-message-select-buffer wl-message-buffer)
3654         (delete-window))
3655       (select-window (get-buffer-window cur-buf))
3656       ;; display wl-folder window!!
3657       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3658           (if (setq fld-win (get-buffer-window fld-buf))
3659               ;; folder win is already displayed.
3660               (select-window fld-win)
3661             ;; folder win is not displayed.
3662             (switch-to-buffer fld-buf))
3663         ;; no folder buf
3664         (wl-folder))
3665       ;; temporarily delete summary-win.
3666       (if summary-win
3667           (delete-window summary-win))
3668       (split-window-horizontally wl-folder-window-width)
3669       (other-window 1)
3670       (switch-to-buffer cur-buf))
3671      (t
3672       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3673           (if (setq fld-win (get-buffer-window fld-buf))
3674               (setq wl-summary-buffer-disp-folder nil)
3675             (setq wl-summary-buffer-disp-folder t)))
3676       (if (not wl-summary-buffer-disp-folder)
3677           ;; hide message window
3678           (let ((mes-win (and wl-message-buffer
3679                               (get-buffer-window wl-message-buffer)))
3680                 (wl-stay-folder-window t))
3681             (if mes-win (delete-window mes-win))
3682             ;; hide your folder window
3683             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3684                 (if (setq fld-win (get-buffer-window fld-buf))
3685                     (progn
3686                       (delete-window (get-buffer-window cur-buf))
3687                       (select-window fld-win)
3688                       (switch-to-buffer cur-buf))))
3689             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3690             ;; resume message window.
3691             (when mes-win
3692               (wl-message-select-buffer wl-message-buffer)
3693               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3694               (select-window (get-buffer-window cur-buf))))
3695         ;; hide message window
3696         (let ((wl-stay-folder-window t)
3697               (mes-win (and wl-message-buffer
3698                             (get-buffer-window wl-message-buffer))))
3699           (if mes-win (delete-window mes-win))
3700           (select-window (get-buffer-window cur-buf))
3701           ;; display wl-folder window!!
3702           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3703               (if (setq fld-win (get-buffer-window fld-buf))
3704                   ;; folder win is already displayed.
3705                   (select-window fld-win)
3706                 ;; folder win is not displayed...occupy all.
3707                 (switch-to-buffer fld-buf))
3708             ;; no folder buf
3709             (wl-folder))
3710           (split-window-horizontally wl-folder-window-width)
3711           (other-window 1)
3712           (switch-to-buffer cur-buf)
3713           ;; resume message window.
3714           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3715           (when mes-win
3716             (wl-message-select-buffer wl-message-buffer)
3717             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3718             (select-window (get-buffer-window cur-buf))))))))
3719   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3720
3721 (defun wl-summary-toggle-disp-msg (&optional arg)
3722   (interactive)
3723   (let ((cur-buf (current-buffer))
3724         fld-buf fld-win
3725         summary-win)
3726     (cond
3727      ((eq arg 'on)
3728       (setq wl-summary-buffer-disp-msg t)
3729       (save-excursion
3730         ;; hide your folder window
3731         (if (and (not wl-stay-folder-window)
3732                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3733             (if (setq fld-win (get-buffer-window fld-buf))
3734                 (unless (one-window-p fld-win)
3735                   (delete-window fld-win))))))
3736      ((eq arg 'off)
3737       (wl-delete-all-overlays)
3738       (setq wl-summary-buffer-disp-msg nil)
3739       (save-excursion
3740         (when (buffer-live-p wl-message-buffer)
3741           (wl-message-select-buffer wl-message-buffer)
3742           (delete-window)
3743           (and (get-buffer-window cur-buf)
3744                (select-window (get-buffer-window cur-buf))))
3745         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3746      (t
3747       (if (and wl-message-buffer
3748                (get-buffer-window wl-message-buffer)) ; already displayed
3749           (setq wl-summary-buffer-disp-msg nil)
3750         (setq wl-summary-buffer-disp-msg t))
3751       (if wl-summary-buffer-disp-msg
3752           (progn
3753             (wl-summary-redisplay)
3754 ;;; hide your folder window
3755 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3756 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3757 ;;;             (delete-window fld-win)))
3758             (run-hooks 'wl-summary-toggle-disp-on-hook))
3759         (wl-delete-all-overlays)
3760         (save-excursion
3761           (wl-message-select-buffer wl-message-buffer)
3762           (delete-window)
3763           (select-window (get-buffer-window cur-buf))
3764           (setq wl-message-buffer nil)
3765           (run-hooks 'wl-summary-toggle-disp-off-hook))
3766 ;;;     (switch-to-buffer cur-buf)
3767         )))
3768     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3769
3770 (defun wl-summary-enter-handler (&optional arg)
3771   "A command for `enter' key in the summary.
3772 Basically, it shows next line of the message.
3773 If optional argument ARG is specified, behave as followed.
3774 If ARG is number, jump to the message.
3775 Otherwise it shows previous line of the message."
3776   (interactive "P")
3777   (cond ((numberp arg)
3778          (unless (wl-thread-jump-to-msg arg)
3779            (message "Message (#%d) was not found." arg)))
3780         (arg
3781          (wl-summary-prev-line-content))
3782         (t
3783          (wl-summary-next-line-content))))
3784
3785 (defun wl-summary-next-line-content ()
3786   "Show next line of the message."
3787   (interactive)
3788   (let ((cur-buf (current-buffer)))
3789     (wl-summary-toggle-disp-msg 'on)
3790     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3791       (set-buffer cur-buf)
3792       (wl-message-next-page 1))))
3793
3794 (defun wl-summary-prev-line-content ()
3795   (interactive)
3796   (let ((cur-buf (current-buffer)))
3797     (wl-summary-toggle-disp-msg 'on)
3798     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3799       (set-buffer cur-buf)
3800       (wl-message-prev-page 1))))
3801
3802 (defun wl-summary-next-page ()
3803   (interactive)
3804   (let ((cur-buf (current-buffer)))
3805     (wl-summary-toggle-disp-msg 'on)
3806     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3807       (set-buffer cur-buf)
3808       (wl-message-next-page))))
3809
3810 (defun wl-summary-prev-page ()
3811   (interactive)
3812   (let ((cur-buf (current-buffer)))
3813     (wl-summary-toggle-disp-msg 'on)
3814     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3815       (set-buffer cur-buf)
3816       (wl-message-prev-page))))
3817
3818 (defsubst wl-summary-no-mime-p (folder)
3819   (wl-string-match-member (elmo-folder-name-internal folder)
3820                           wl-summary-no-mime-folder-list))
3821
3822 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3823   "Set message buffer.
3824 If message is not displayed yet, display it.
3825 Return t if message exists."
3826   (let ((folder wl-summary-buffer-elmo-folder)
3827         (number (wl-summary-message-number))
3828         cur-folder cur-number message-last-pos)
3829     (when (buffer-live-p wl-message-buffer)
3830       (save-window-excursion
3831         (setq wl-current-summary-buffer (current-buffer))
3832         (wl-message-select-buffer wl-message-buffer)
3833         (setq cur-folder wl-message-buffer-cur-folder)
3834         (setq cur-number wl-message-buffer-cur-number)))
3835     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3836              (eq number (or cur-number 0)))
3837         (progn
3838           (set-buffer wl-message-buffer)
3839           t)
3840       (wl-summary-redisplay-internal folder number)
3841       (when (buffer-live-p wl-message-buffer)
3842         (set-buffer wl-message-buffer))
3843       nil)))
3844
3845 (defun wl-summary-target-mark-forward (&optional arg)
3846   (interactive "P")
3847   (wl-summary-check-target-mark)
3848   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3849         (summary-buf (current-buffer))
3850         (wl-draft-forward t)
3851         start-point
3852         draft-buf)
3853     (wl-summary-jump-to-msg (car mlist))
3854     (wl-summary-forward t)
3855     (setq start-point (point))
3856     (setq draft-buf (current-buffer))
3857     (setq mlist (cdr mlist))
3858     (save-window-excursion
3859       (when mlist
3860         (while mlist
3861           (set-buffer summary-buf)
3862           (wl-summary-jump-to-msg (car mlist))
3863           (wl-summary-redisplay)
3864           (set-buffer draft-buf)
3865           (goto-char (point-max))
3866           (wl-draft-insert-message)
3867           (setq mlist (cdr mlist)))
3868         (wl-draft-body-goto-top)
3869         (wl-draft-enclose-digest-region (point) (point-max)))
3870       (goto-char start-point)
3871       (save-excursion
3872         (set-buffer summary-buf)
3873         (wl-summary-delete-all-target-marks)))
3874     (run-hooks 'wl-mail-setup-hook)))
3875
3876 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3877   (interactive "P")
3878   (wl-summary-check-target-mark)
3879   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3880         (summary-buf (current-buffer))
3881         change-major-mode-hook
3882         start-point
3883         draft-buf)
3884     (wl-summary-jump-to-msg (car mlist))
3885     (when (wl-summary-reply arg t)
3886       (goto-char (point-max))
3887       (setq start-point (point-marker))
3888       (setq draft-buf (current-buffer))
3889       (save-window-excursion
3890         (while mlist
3891           (set-buffer summary-buf)
3892           (delete-other-windows)
3893           (wl-summary-jump-to-msg (car mlist))
3894           (wl-summary-redisplay)
3895           (set-buffer draft-buf)
3896           (goto-char (point-max))
3897           (wl-draft-yank-original)
3898           (setq mlist (cdr mlist)))
3899         (goto-char start-point)
3900         (save-excursion
3901           (set-buffer summary-buf)
3902           (wl-summary-delete-all-target-marks)))
3903       (wl-draft-reply-position wl-draft-reply-default-position)
3904       (run-hooks 'wl-mail-setup-hook))))
3905
3906 (defun wl-summary-reply-with-citation (&optional arg)
3907   (interactive "P")
3908   (when (wl-summary-reply arg t)
3909     (goto-char (point-max))
3910     (wl-draft-yank-original)
3911     (wl-draft-reply-position wl-draft-reply-default-position)
3912     (run-hooks 'wl-mail-setup-hook)))
3913
3914 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
3915   (interactive)
3916   (let* ((original (wl-summary-message-number))
3917          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3918          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
3919          msg otherfld schar
3920          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
3921     (if (setq msg (elmo-message-entity-number entity))
3922         (progn
3923           (wl-thread-jump-to-msg msg)
3924           t)
3925       ;; for XEmacs!
3926       (if (and elmo-use-database
3927                (setq errmsg
3928                      (format
3929                       "No message with id \"%s\" in the database." msgid))
3930                (setq otherfld (elmo-database-msgid-get msgid)))
3931           (if (cdr (wl-summary-jump-to-msg-internal
3932                     (car otherfld) (nth 1 otherfld) 'no-sync))
3933               t ; succeed.
3934             ;; Back to original.
3935             (wl-summary-jump-to-msg-internal
3936              (wl-summary-buffer-folder-name) original 'no-sync))
3937         (cond ((eq wl-summary-search-via-nntp 'confirm)
3938                (require 'elmo-nntp)
3939                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
3940                         elmo-nntp-default-server)
3941                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
3942                (cond ((eq schar ?y)
3943                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3944                      ((eq schar ?s)
3945                       (wl-summary-jump-to-msg-by-message-id-via-nntp
3946                        msgid
3947                        (read-from-minibuffer "NNTP Server: ")))
3948                      (t
3949                       (message "%s" errmsg)
3950                       nil)))
3951               ((or (eq wl-summary-search-via-nntp 'force)
3952                    (and
3953                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
3954                         'nntp)
3955                     wl-summary-search-via-nntp))
3956                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3957               (t
3958                (message "%s" errmsg)
3959                nil))))))
3960
3961 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
3962   (interactive)
3963   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3964          newsgroups folder ret
3965          user server port type spec)
3966     (if server-spec
3967         (if (string-match "^-" server-spec)
3968             (setq spec (wl-folder-get-elmo-folder server-spec)
3969                   user (elmo-net-folder-user-internal spec)
3970                   server (elmo-net-folder-server-internal spec)
3971                   port (elmo-net-folder-port-internal spec)
3972                   type (elmo-net-folder-stream-type-internal spec))
3973           (setq server server-spec)))
3974     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
3975                      msgid
3976                      (or server elmo-nntp-default-server)
3977                      (or user elmo-nntp-default-user)
3978                      (or port elmo-nntp-default-port)
3979                      (or type elmo-nntp-default-stream-type)))
3980       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
3981       (setq folder (concat "-" (car newsgroups)
3982                            (elmo-nntp-folder-postfix user server port type)))
3983       (catch 'found
3984         (while newsgroups
3985           (if (wl-folder-entity-exists-p (car newsgroups)
3986                                          wl-folder-newsgroups-hashtb)
3987               (throw 'found
3988                      (setq folder (concat "-" (car newsgroups)
3989                                           (elmo-nntp-folder-postfix
3990                                            user server port type)))))
3991           (setq newsgroups (cdr newsgroups)))))
3992     (if ret
3993         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
3994       (message "No message id \"%s\" in nntp server \"%s\"."
3995                msgid (or server elmo-nntp-default-server))
3996       nil)))
3997
3998 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
3999   (let (wl-auto-select-first entity)
4000     (if (or (string= folder (wl-summary-buffer-folder-name))
4001             (y-or-n-p
4002              (format
4003               "Message was found in the folder \"%s\". Jump to it? "
4004               folder)))
4005         (progn
4006           (unwind-protect
4007               (wl-summary-goto-folder-subr
4008                folder scan-type nil nil t)
4009             (if msgid
4010                 (setq msg
4011                       (elmo-message-entity-number
4012                        (elmo-message-entity
4013                         wl-summary-buffer-elmo-folder
4014                         msgid))))
4015             (setq entity (wl-folder-search-entity-by-name folder
4016                                                           wl-folder-entity
4017                                                           'folder))
4018             (if entity
4019                 (wl-folder-set-current-entity-id
4020                  (wl-folder-get-entity-id entity))))
4021           (if (null msg)
4022               (message "Message was not found currently in this folder.")
4023             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4024           (cons folder msg)))))
4025
4026 (defun wl-summary-jump-to-parent-message (arg)
4027   (interactive "P")
4028   (let ((cur-buf (current-buffer))
4029         (disp-msg wl-summary-buffer-disp-msg)
4030         (number (wl-summary-message-number))
4031         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4032         (i -1) ;; xxx
4033         msg-id msg-num ref-list ref irt)
4034     (if (null number)
4035         (message "No message.")
4036       (when (eq wl-summary-buffer-view 'thread)
4037         (cond ((and arg (not (numberp arg)))
4038                (setq msg-num
4039                      (wl-thread-entity-get-number
4040                       (wl-thread-entity-get-top-entity
4041                        (wl-thread-get-entity number)))))
4042               ((and arg (numberp arg))
4043                (setq i 0)
4044                (setq msg-num number)
4045                (while (< i arg)
4046                  (setq msg-num
4047                        (wl-thread-entity-get-number
4048                         (wl-thread-entity-get-parent-entity
4049                          (wl-thread-get-entity msg-num))))
4050                  (setq i (1+ i))))
4051               (t (setq msg-num
4052                        (wl-thread-entity-get-number
4053                         (wl-thread-entity-get-parent-entity
4054                          (wl-thread-get-entity number)))))))
4055       (when (null msg-num)
4056         (wl-summary-set-message-buffer-or-redisplay)
4057         (set-buffer (wl-message-get-original-buffer))
4058         (message "Searching parent message...")
4059         (setq ref (std11-field-body "References")
4060               irt (std11-field-body "In-Reply-To"))
4061         (cond
4062          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4063                (string-match regexp ref))
4064           ;; The first message of the thread.
4065           (setq msg-id (wl-match-string 1 ref)))
4066          ;; "In-Reply-To:" has only one msg-id.
4067          ((and (null arg) irt (not (string= irt ""))
4068                (string-match regexp irt))
4069           (setq msg-id (wl-match-string 1 irt)))
4070          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4071                (string-match regexp ref))
4072           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4073           (while (string-match regexp ref)
4074             (setq ref-list
4075                   (append (list
4076                            (wl-match-string 1 ref))
4077                           ref-list))
4078             (setq ref (substring ref (match-end 0)))
4079             (setq i (1+ i)))
4080           (setq msg-id
4081                 (if (null arg) (nth 0 ref-list) ;; previous
4082                   (if (<= arg i) (nth (1- arg) ref-list)
4083                     (nth i ref-list))))))
4084         (set-buffer cur-buf)
4085         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4086       (cond ((and (null msg-id) (null msg-num))
4087              (message "No parent message!")
4088              nil)
4089             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4090              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4091              (message "Searching parent message...done")
4092              t)
4093             ((and msg-num (wl-summary-jump-to-msg msg-num))
4094              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4095              (message "Searching parent message...done")
4096              t)
4097             (t ; failed.
4098              (message "Parent message was not found.")
4099              nil)))))
4100
4101 (defun wl-summary-reply (&optional arg without-setup-hook)
4102   "Reply to current message. Default is \"wide\" reply.
4103 Reply to author if invoked with ARG."
4104   (interactive "P")
4105   (let ((folder wl-summary-buffer-elmo-folder)
4106         (number (wl-summary-message-number))
4107         (summary-buf (current-buffer))
4108         (winconf (current-window-configuration))
4109         mes-buf)
4110     (when number
4111       (save-excursion
4112         (wl-summary-set-message-buffer-or-redisplay))
4113       (setq mes-buf wl-message-buffer)
4114       (wl-message-select-buffer wl-message-buffer)
4115       (set-buffer mes-buf)
4116       (condition-case err
4117           (when (setq mes-buf (wl-message-get-original-buffer))
4118             (wl-draft-reply mes-buf arg summary-buf number)
4119             (wl-draft-reply-position wl-draft-reply-default-position)
4120             (unless without-setup-hook
4121               (run-hooks 'wl-mail-setup-hook)))
4122         (error (set-window-configuration winconf)
4123                (signal (car err)(cdr err))))
4124       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4125       t)))
4126
4127 (defun wl-summary-write ()
4128   "Write a new draft from Summary."
4129   (interactive)
4130   (wl-draft (list (cons 'To ""))
4131             nil nil nil nil (wl-summary-buffer-folder-name))
4132   (run-hooks 'wl-mail-setup-hook)
4133   (mail-position-on-field "To"))
4134
4135 (defvar wl-summary-write-current-folder-functions
4136   '(wl-folder-get-newsgroups
4137     wl-folder-guess-mailing-list-by-refile-rule
4138     wl-folder-guess-mailing-list-by-folder-name)
4139   "Newsgroups or Mailing List address guess functions list.
4140 Call from `wl-summary-write-current-folder'.
4141 When guess function return nil, challenge next guess-function.")
4142
4143 (defun wl-summary-write-current-folder (&optional folder)
4144   "Write message to current FOLDER's newsgroup or mailing-list.
4145 Use function list is `wl-summary-write-current-folder-functions'."
4146   (interactive)
4147   ;; default FOLDER is current buffer folder
4148   (setq folder (or folder (wl-summary-buffer-folder-name)))
4149   (let ((func-list wl-summary-write-current-folder-functions)
4150         guess-list guess-func)
4151     (while func-list
4152       (setq guess-list (funcall (car func-list) folder))
4153       (if (null guess-list)
4154           (setq func-list (cdr func-list))
4155         (setq guess-func (car func-list))
4156         (setq func-list nil)))
4157     (if (null guess-func)
4158         (wl-summary-write)
4159       (unless (or (stringp (nth 0 guess-list))
4160                   (stringp (nth 1 guess-list))
4161                   (stringp (nth 2 guess-list)))
4162         (error "Invalid value return guess function `%s'"
4163                (symbol-name guess-func)))
4164       (wl-draft (list (cons 'To (nth 0 guess-list))
4165                       (cons 'Cc (nth 1 guess-list))
4166                       (cons 'Newsgroups (nth 2 guess-list)))
4167                 nil nil nil nil folder)
4168       (run-hooks 'wl-mail-setup-hook)
4169       (mail-position-on-field "Subject"))))
4170
4171 (defun wl-summary-forward (&optional without-setup-hook)
4172   ""
4173   (interactive)
4174   (let ((folder wl-summary-buffer-elmo-folder)
4175         (number (wl-summary-message-number))
4176         (summary-buf (current-buffer))
4177         (wl-draft-forward t)
4178         mes-buf
4179         entity subject num)
4180     (if (null number)
4181         (message "No message.")
4182       (if (and (elmo-message-use-cache-p folder number)
4183                (eq (elmo-file-cache-status
4184                     (elmo-file-cache-get
4185                      (elmo-message-field folder number 'message-id)))
4186                    'section))
4187           ;; Reload.
4188           (wl-summary-redisplay-internal nil nil 'force-reload)
4189         (wl-summary-redisplay-internal folder number))
4190       (setq mes-buf wl-message-buffer)
4191       (wl-message-select-buffer mes-buf)
4192       ;; get original subject.
4193       (if summary-buf
4194           (save-excursion
4195             (set-buffer summary-buf)
4196             (setq subject
4197                   (or (elmo-message-entity-field
4198                        (elmo-message-entity folder number) 'subject 'decode)
4199                       ""))))
4200       (set-buffer mes-buf)
4201       (wl-draft-forward subject summary-buf number)
4202       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4203       (unless without-setup-hook
4204         (run-hooks 'wl-mail-setup-hook)))))
4205
4206 (defun wl-summary-click (e)
4207   (interactive "e")
4208   (mouse-set-point e)
4209   (wl-summary-read))
4210
4211 (defun wl-summary-read ()
4212   "Proceed reading message in the summary buffer."
4213   (interactive)
4214   (let ((cur-buf (current-buffer)))
4215     (wl-summary-toggle-disp-msg 'on)
4216     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4217       (set-buffer cur-buf)
4218       (if (wl-message-next-page)
4219           (wl-summary-down t)))))
4220
4221 (defsubst wl-summary-cursor-move-surface (downward interactive)
4222   (if wl-summary-move-direction-toggle
4223       (setq wl-summary-move-direction-downward downward))
4224   (let ((start (point))
4225         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4226         (skip t)
4227         (column (current-column))
4228         goto-next next-entity finfo)
4229     (beginning-of-line)
4230     (while (and skip
4231                 (not (if downward (eobp) (bobp))))
4232       (if downward
4233           (forward-line 1)
4234         (forward-line -1))
4235       (setq skip (or (string-match skip-tmark-regexp
4236                                    (wl-summary-temp-mark))
4237                      (not (and (wl-summary-message-number)
4238                                (elmo-message-accessible-p
4239                                 wl-summary-buffer-elmo-folder
4240                                 (wl-summary-message-number)))))))
4241     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4242     (if (or (eobp) (and (bobp) skip))
4243         (goto-char start))
4244     (move-to-column column)
4245
4246     (if (not goto-next)
4247         (if wl-summary-buffer-disp-msg
4248             (wl-summary-redisplay))
4249       (if interactive
4250           (cond
4251            ((and (not downward) wl-summary-buffer-prev-folder-function)
4252             (funcall wl-summary-buffer-prev-folder-function))
4253            ((and downward wl-summary-buffer-next-folder-function)
4254             (funcall wl-summary-buffer-next-folder-function))
4255            (t
4256             (when wl-auto-select-next
4257               (setq next-entity
4258                     (if downward
4259                         (wl-summary-get-next-folder)
4260                       (wl-summary-get-prev-folder)))
4261               (if next-entity
4262                   (setq finfo (wl-folder-get-entity-info next-entity))))
4263             (wl-ask-folder
4264              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4265              (format
4266               "No more messages. Type SPC to go to %s."
4267               (wl-summary-entity-info-msg next-entity finfo)))))))))
4268
4269 (defun wl-summary-prev (&optional interactive)
4270   (interactive)
4271   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4272
4273 (defun wl-summary-next (&optional interactive)
4274   (interactive)
4275   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4276
4277 (defun wl-summary-up (&optional interactive skip-no-unread)
4278   ""
4279   (interactive)
4280   (if wl-summary-move-direction-toggle
4281       (setq wl-summary-move-direction-downward nil))
4282   (if (wl-summary-cursor-up)
4283       (if wl-summary-buffer-disp-msg
4284           (wl-summary-redisplay))
4285     (if (or interactive
4286             (interactive-p))
4287         (if wl-summary-buffer-prev-folder-function
4288             (funcall wl-summary-buffer-prev-folder-function)
4289           (let (next-entity finfo)
4290             (when wl-auto-select-next
4291               (progn
4292                 (setq next-entity (wl-summary-get-prev-unread-folder))
4293                 (if next-entity
4294                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4295             (if (and skip-no-unread
4296                      (eq wl-auto-select-next 'skip-no-unread))
4297                 (wl-summary-next-folder-or-exit next-entity t)
4298               (wl-ask-folder
4299                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4300                (format
4301                 "No more unread messages. Type SPC to go to %s."
4302                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4303
4304 (defun wl-summary-get-prev-folder ()
4305   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4306         last-entity cur-id)
4307     (when folder-buf
4308       (setq cur-id (save-excursion (set-buffer folder-buf)
4309                                    wl-folder-buffer-cur-entity-id))
4310       (wl-folder-get-prev-folder cur-id))))
4311
4312 (defun wl-summary-get-next-folder ()
4313   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4314         cur-id)
4315     (when folder-buf
4316       (setq cur-id (save-excursion (set-buffer folder-buf)
4317                                    wl-folder-buffer-cur-entity-id))
4318       (wl-folder-get-next-folder cur-id))))
4319
4320 (defun wl-summary-get-next-unread-folder ()
4321   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4322         cur-id)
4323     (when folder-buf
4324       (setq cur-id (save-excursion (set-buffer folder-buf)
4325                                    wl-folder-buffer-cur-entity-id))
4326       (wl-folder-get-next-folder cur-id 'unread))))
4327
4328 (defun wl-summary-get-prev-unread-folder ()
4329   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4330         cur-id)
4331     (when folder-buf
4332       (setq cur-id (save-excursion (set-buffer folder-buf)
4333                                    wl-folder-buffer-cur-entity-id))
4334       (wl-folder-get-prev-folder cur-id 'unread))))
4335
4336 (defun wl-summary-down (&optional interactive skip-no-unread)
4337   (interactive)
4338   (if wl-summary-move-direction-toggle
4339       (setq wl-summary-move-direction-downward t))
4340   (if (wl-summary-cursor-down)
4341       (if wl-summary-buffer-disp-msg
4342           (wl-summary-redisplay))
4343     (if (or interactive
4344             (interactive-p))
4345         (if wl-summary-buffer-next-folder-function
4346             (funcall wl-summary-buffer-next-folder-function)
4347           (let (next-entity finfo)
4348             (when wl-auto-select-next
4349               (setq next-entity (wl-summary-get-next-unread-folder)))
4350             (if next-entity
4351                 (setq finfo (wl-folder-get-entity-info next-entity)))
4352             (if (and skip-no-unread
4353                      (eq wl-auto-select-next 'skip-no-unread))
4354                 (wl-summary-next-folder-or-exit next-entity)
4355               (wl-ask-folder
4356                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4357                (format
4358                 "No more unread messages. Type SPC to go to %s."
4359                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4360
4361 (defun wl-summary-goto-last-displayed-msg ()
4362   (interactive)
4363   (unless wl-summary-buffer-last-displayed-msg
4364     (setq wl-summary-buffer-last-displayed-msg
4365           wl-summary-buffer-current-msg))
4366   (if wl-summary-buffer-last-displayed-msg
4367       (progn
4368         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4369         (if wl-summary-buffer-disp-msg
4370             (wl-summary-redisplay)))
4371     (message "No last message.")))
4372
4373 (defun wl-summary-toggle-mime (&optional arg)
4374   "Toggle MIME decoding.
4375 If ARG is non-nil, ask coding-system to display the message in the current
4376 MIME analysis mode.
4377
4378 If ARG is numeric number, decode message as following:
4379 1: Enable MIME analysis.
4380 2: Enable MIME analysis only for headers.
4381 3: Disable MIME analysis."
4382   (interactive "P")
4383   (let ((rest (memq wl-summary-buffer-display-mime-mode
4384                     wl-summary-display-mime-mode-list))
4385         (elmo-mime-display-as-is-coding-system
4386          elmo-mime-display-as-is-coding-system))
4387     (if (numberp arg)
4388         (setq wl-summary-buffer-display-mime-mode
4389               (case arg
4390                 (1 'mime)
4391                 (2 'header-only)
4392                 (3 'as-is)))
4393       (if arg
4394           ;; Specify coding-system (doesn't change the MIME mode).
4395           (setq elmo-mime-display-as-is-coding-system
4396                 (if (and arg (not (eq wl-summary-buffer-display-mime-mode
4397                                       'mime)))
4398                     (or (read-coding-system "Coding system: ")
4399                         elmo-mime-display-as-is-coding-system)
4400                   elmo-mime-display-as-is-coding-system))
4401         ;; Change the MIME mode.
4402         (if (cadr rest)
4403             (setq wl-summary-buffer-display-mime-mode (cadr rest))
4404           (setq wl-summary-buffer-display-mime-mode
4405                 (car wl-summary-display-mime-mode-list)))))
4406     (wl-summary-redisplay arg)
4407     (wl-summary-update-modeline)
4408     (message "MIME decoding: %s%s"
4409              (upcase (symbol-name wl-summary-buffer-display-mime-mode))
4410              (if (and arg
4411                       (not (numberp arg))
4412                       (not (eq wl-summary-buffer-display-mime-mode
4413                                'mime)))
4414                  (concat " ("
4415                          (symbol-name elmo-mime-display-as-is-coding-system)
4416                          ")")
4417                ""))))
4418
4419 (defun wl-summary-redisplay (&optional arg)
4420   "Redisplay message."
4421   (interactive "P")
4422   (wl-summary-redisplay-internal nil nil arg))
4423
4424 (defun wl-summary-toggle-all-header (&optional arg)
4425   "Toggle displaying message with all header."
4426   (interactive "P")
4427   (setq wl-summary-buffer-display-all-header
4428         (not wl-summary-buffer-display-all-header))
4429   (wl-summary-redisplay-internal nil nil arg))
4430
4431 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4432                                                 mode all-header)
4433   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4434          (mode (or mode wl-summary-buffer-display-mime-mode))
4435          (all-header (or all-header wl-summary-buffer-display-all-header))
4436          (num (or number (wl-summary-message-number)))
4437          (wl-mime-charset      wl-summary-buffer-mime-charset)
4438          (default-mime-charset wl-summary-buffer-mime-charset)
4439          no-folder-mark fld-buf fld-win thr-entity
4440          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4441                                          (and force-reload
4442                                               elmo-message-fetch-threshold))))
4443     (if (and wl-thread-open-reading-thread
4444              (eq wl-summary-buffer-view 'thread)
4445              (not (wl-thread-entity-get-opened
4446                    (setq thr-entity (wl-thread-get-entity
4447                                      num))))
4448              (wl-thread-entity-get-children thr-entity))
4449         (wl-thread-force-open))
4450     (if num
4451         (progn
4452           (setq wl-summary-buffer-disp-msg t)
4453           (setq wl-summary-buffer-last-displayed-msg
4454                 wl-summary-buffer-current-msg)
4455           ;; hide folder window
4456           (if (and (not wl-stay-folder-window)
4457                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4458               (if (setq fld-win (get-buffer-window fld-buf))
4459                   (delete-window fld-win)))
4460           (setq wl-current-summary-buffer (current-buffer))
4461           (setq no-folder-mark
4462                 ;; If cache is used, change folder-mark.
4463                 (if (wl-message-redisplay folder num
4464                                           mode all-header
4465                                           (or
4466                                            force-reload
4467                                            (string= (elmo-folder-name-internal
4468                                                      folder)
4469                                                     wl-draft-folder)))
4470                     nil
4471                   ;; plugged, then leave folder-mark.
4472                   (if (and (not (elmo-folder-local-p
4473                                  wl-summary-buffer-elmo-folder))
4474                            (elmo-folder-plugged-p
4475                             wl-summary-buffer-elmo-folder))
4476                       'leave)))
4477           (when (elmo-message-use-cache-p folder num)
4478             (elmo-message-set-cached folder num t))
4479           (ignore-errors
4480             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4481                                         num
4482                                         'unread)
4483                 (wl-summary-mark-as-read num no-folder-mark)
4484               (wl-summary-update-persistent-mark)))
4485           (setq wl-summary-buffer-current-msg num)
4486           (when wl-summary-recenter
4487             (recenter (/ (- (window-height) 2) 2))
4488             (if (not wl-summary-indent-length-limit)
4489                 (wl-horizontal-recenter)))
4490           (wl-highlight-summary-displaying)
4491           (wl-message-buffer-prefetch-next folder num
4492                                            wl-message-buffer-prefetch-depth
4493                                            (current-buffer)
4494                                            wl-summary-buffer-mime-charset)
4495           (run-hooks 'wl-summary-redisplay-hook))
4496       (message "No message to display."))))
4497
4498 (defun wl-summary-jump-to-current-message ()
4499   "Jump into Message buffer."
4500   (interactive)
4501   (let (message-buf message-win)
4502     (if (setq message-buf wl-message-buffer)
4503         (if (setq message-win (get-buffer-window message-buf))
4504             (select-window message-win)
4505           (wl-message-select-buffer wl-message-buffer))
4506       (wl-summary-redisplay)
4507       (wl-message-select-buffer wl-message-buffer))))
4508
4509 (defun wl-summary-cancel-message ()
4510   "Cancel an article on news."
4511   (interactive)
4512   (if (null (wl-summary-message-number))
4513       (message "No message.")
4514     (let ((summary-buf (current-buffer))
4515           message-buf)
4516       (wl-summary-set-message-buffer-or-redisplay)
4517       (if (setq message-buf (wl-message-get-original-buffer))
4518           (set-buffer message-buf))
4519       (unless (wl-message-news-p)
4520         (set-buffer summary-buf)
4521         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4522                      'nntp)
4523                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4524             (progn
4525               (wl-summary-redisplay t)
4526               (wl-summary-supersedes-message))
4527           (error "This is not a news article; supersedes is impossible")))
4528       (when (yes-or-no-p "Do you really want to cancel this article? ")
4529         (let (from newsgroups message-id distribution buf)
4530           (save-excursion
4531             (setq from (std11-field-body "from")
4532                   newsgroups (std11-field-body "newsgroups")
4533                   message-id (std11-field-body "message-id")
4534                   distribution (std11-field-body "distribution"))
4535             ;; Make sure that this article was written by the user.
4536             (unless (wl-address-user-mail-address-p
4537                      (wl-address-header-extract-address
4538                       (car (wl-parse-addresses from))))
4539               (error "This article is not yours"))
4540             ;; Make control message.
4541             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4542             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4543             (buffer-disable-undo (current-buffer))
4544             (erase-buffer)
4545             (insert "Newsgroups: " newsgroups "\n"
4546                     "From: " (wl-address-header-extract-address
4547                               wl-from) "\n"
4548                               "Subject: cmsg cancel " message-id "\n"
4549                               "Control: cancel " message-id "\n"
4550                               (if distribution
4551                                   (concat "Distribution: " distribution "\n")
4552                                 "")
4553                               mail-header-separator "\n"
4554                               wl-summary-cancel-message)
4555             (message "Canceling your message...")
4556             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4557             (message "Canceling your message...done")))))))
4558
4559 (defun wl-summary-supersedes-message ()
4560   "Supersede current message."
4561   (interactive)
4562   (wl-summary-toggle-disp-msg 'off)
4563   (let ((summary-buf (current-buffer))
4564         message-buf from)
4565     (wl-summary-set-message-buffer-or-redisplay)
4566     (if (setq message-buf (wl-message-get-original-buffer))
4567         (set-buffer message-buf))
4568     (unless (wl-message-news-p)
4569       (set-buffer summary-buf)
4570       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4571                    'nntp)
4572                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4573           (progn
4574             (wl-summary-redisplay t)
4575             (wl-summary-supersedes-message))
4576         (error "This is not a news article; supersedes is impossible")))
4577     (save-excursion
4578       (setq from (std11-field-body "from"))
4579       ;; Make sure that this article was written by the user.
4580       (unless (wl-address-user-mail-address-p
4581                (wl-address-header-extract-address
4582                 (car (wl-parse-addresses from))))
4583         (error "This article is not yours"))
4584       (let* ((message-id (std11-field-body "message-id"))
4585              (followup-to (std11-field-body "followup-to"))
4586              (mail-default-headers
4587               (concat mail-default-headers
4588                       "Supersedes: " message-id "\n"
4589                       (and followup-to
4590                            (concat "Followup-To: " followup-to "\n")))))
4591         (if message-buf (set-buffer message-buf))
4592         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4593
4594 (defun wl-summary-save (&optional arg wl-save-dir)
4595   "Save current message to disk."
4596   (interactive)
4597   (let ((filename)
4598         (num (wl-summary-message-number)))
4599     (if (null wl-save-dir)
4600         (setq wl-save-dir wl-temporary-file-directory))
4601     (if num
4602         (save-excursion
4603           (setq filename (expand-file-name
4604                           (concat (int-to-string num)
4605                                   wl-summary-save-file-suffix)
4606                           wl-save-dir))
4607           (if (null (and arg
4608                          (null (file-exists-p filename))))
4609               (setq filename
4610                     (read-file-name "Save to file: " filename)))
4611
4612           (wl-summary-set-message-buffer-or-redisplay)
4613           (set-buffer (wl-message-get-original-buffer))
4614           (if (and (null arg) (file-exists-p filename))
4615               (if (y-or-n-p "File already exists.  override it? ")
4616                   (write-region (point-min) (point-max) filename))
4617             (write-region (point-min) (point-max) filename)))
4618       (message "No message to save."))
4619     num))
4620
4621 (defun wl-summary-save-region (beg end)
4622   (interactive "r")
4623   (save-excursion
4624     (save-restriction
4625       (wl-summary-narrow-to-region beg end)
4626       (goto-char (point-min))
4627       (let ((wl-save-dir
4628              (wl-read-directory-name "Save to directory: "
4629                                      wl-temporary-file-directory)))
4630         (if (null (file-exists-p wl-save-dir))
4631             (make-directory wl-save-dir))
4632         (if (eq wl-summary-buffer-view 'thread)
4633             (progn
4634               (while (not (eobp))
4635                 (let* ((number (wl-summary-message-number))
4636                        (entity (wl-thread-get-entity number)))
4637                   (if (wl-thread-entity-get-opened entity)
4638                       (wl-summary-save t wl-save-dir)
4639                     ;; closed
4640                     (wl-summary-save t wl-save-dir))
4641                   (forward-line 1))))
4642           (while (not (eobp))
4643             (wl-summary-save t wl-save-dir)
4644             (forward-line 1)))))))
4645
4646 ;; mew-summary-pipe-message()
4647 (defun wl-summary-pipe-message (prefix command)
4648   "Send this message via pipe."
4649   (interactive (list current-prefix-arg nil))
4650   (if (null (wl-summary-message-number))
4651       (message "No message.")
4652     (setq command (read-string "Shell command on message: "
4653                                wl-summary-shell-command-last))
4654     (if (y-or-n-p "Send this message to pipe? ")
4655         (wl-summary-pipe-message-subr prefix command))))
4656
4657 (defun wl-summary-target-mark-pipe (prefix command)
4658   "Send each marked messages via pipe."
4659   (interactive (list current-prefix-arg nil))
4660   (if (null wl-summary-buffer-target-mark-list)
4661       (message "No marked message.")
4662     (setq command (read-string "Shell command on each marked message: "
4663                                wl-summary-shell-command-last))
4664     (when (y-or-n-p "Send each marked message to pipe? ")
4665       (while (car wl-summary-buffer-target-mark-list)
4666         (let ((num (car wl-summary-buffer-target-mark-list)))
4667           (wl-thread-jump-to-msg num)
4668           (wl-summary-pipe-message-subr prefix command)
4669           (wl-summary-unmark))))))
4670
4671 (defun wl-summary-pipe-message-subr (prefix command)
4672   (save-excursion
4673     (wl-summary-set-message-buffer-or-redisplay)
4674     (set-buffer (wl-message-get-original-buffer))
4675     (if (string= command "")
4676         (setq command wl-summary-shell-command-last))
4677     (goto-char (point-min)) ; perhaps this line won't be necessary
4678     (if prefix
4679         (search-forward "\n\n"))
4680     (shell-command-on-region (point) (point-max) command nil)
4681     (setq wl-summary-shell-command-last command)))
4682
4683 (defun wl-summary-print-message (&optional arg)
4684   (interactive "P")
4685   (if (null (wl-summary-message-number))
4686       (message "No message.")
4687     (save-excursion
4688       (wl-summary-set-message-buffer-or-redisplay)
4689       (if (or (not (interactive-p))
4690               (y-or-n-p "Print ok? "))
4691           (progn
4692             (let ((buffer (generate-new-buffer " *print*")))
4693               (copy-to-buffer buffer (point-min) (point-max))
4694               (set-buffer buffer)
4695               (funcall wl-print-buffer-function)
4696               (kill-buffer buffer)))
4697         (message "")))))
4698
4699 (defun wl-summary-print-message-with-ps-print (&optional filename)
4700   "Print message via ps-print."
4701   (interactive)
4702   (if (null (wl-summary-message-number))
4703       (message "No message.")
4704     (setq filename (ps-print-preprint current-prefix-arg))
4705     (if (or (not (interactive-p))
4706             (y-or-n-p "Print ok? "))
4707         (let ((summary-buffer (current-buffer))
4708               wl-break-pages)
4709           (save-excursion
4710             (wl-summary-set-message-buffer-or-redisplay)
4711             (let* ((buffer (generate-new-buffer " *print*"))
4712                    (entity (progn
4713                              (set-buffer summary-buffer)
4714                              (elmo-message-entity
4715                               wl-summary-buffer-elmo-folder
4716                               (wl-summary-message-number))))
4717                    (wl-ps-subject
4718                     (and entity
4719                          (or (elmo-message-entity-field entity 'subject t)
4720                              "")))
4721                    (wl-ps-from
4722                     (and entity
4723                          (or (elmo-message-entity-field entity 'from t) "")))
4724                    (wl-ps-date
4725                     (and entity
4726                          (or (elmo-message-entity-field entity 'date) ""))))
4727               (run-hooks 'wl-ps-preprint-hook)
4728               (set-buffer wl-message-buffer)
4729               (copy-to-buffer buffer (point-min) (point-max))
4730               (set-buffer buffer)
4731               (unwind-protect
4732                   (let ((ps-left-header
4733                          (list (concat "(" wl-ps-subject ")")
4734                                (concat "(" wl-ps-from ")")))
4735                         (ps-right-header
4736                          (list "/pagenumberstring load"
4737                                (concat "(" wl-ps-date ")"))))
4738                     (run-hooks 'wl-ps-print-hook)
4739                     (funcall wl-ps-print-buffer-function filename))
4740                 (kill-buffer buffer)))))
4741       (message ""))))
4742
4743 (if (featurep 'ps-print) ; ps-print is available.
4744     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4745
4746 (defun wl-summary-target-mark-print ()
4747   (interactive)
4748   (wl-summary-check-target-mark)
4749   (when (y-or-n-p "Print all marked messages. OK? ")
4750     (while (car wl-summary-buffer-target-mark-list)
4751       (let ((num (car wl-summary-buffer-target-mark-list)))
4752         (wl-thread-jump-to-msg num)
4753         (wl-summary-print-message)
4754         (wl-summary-unmark)))))
4755
4756 (defun wl-summary-folder-info-update ()
4757   (wl-folder-set-folder-updated
4758    (elmo-string (wl-summary-buffer-folder-name))
4759    (list 0
4760          wl-summary-buffer-unread-count
4761          (elmo-folder-length
4762           wl-summary-buffer-elmo-folder))))
4763
4764 (defun wl-summary-get-original-buffer ()
4765   "Get original buffer for the current summary."
4766   (save-excursion
4767     (wl-summary-set-message-buffer-or-redisplay)
4768     (wl-message-get-original-buffer)))
4769
4770 (defun wl-summary-pack-number (&optional arg)
4771   (interactive "P")
4772   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4773   (let (wl-use-scoring)
4774     (wl-summary-rescan nil nil nil t)))
4775
4776 (defun wl-summary-target-mark-uudecode ()
4777   (interactive)
4778   (wl-summary-check-target-mark)
4779   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4780         (summary-buf (current-buffer))
4781         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4782         orig-buf i k filename rc errmsg)
4783     (setq i 1)
4784     (setq k (length mlist))
4785     (set-buffer tmp-buf)
4786     (erase-buffer)
4787     (save-window-excursion
4788       (while mlist
4789         (set-buffer summary-buf)
4790         (wl-summary-jump-to-msg (car mlist))
4791         (wl-summary-redisplay)
4792         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4793         (goto-char (point-min))
4794         (cond ((= i 1) ; first
4795                (if (setq filename (wl-message-uu-substring
4796                                    orig-buf tmp-buf t
4797                                    (= i k)))
4798                    nil
4799                  (error "Can't find begin line")))
4800               ((< i k)
4801                (wl-message-uu-substring orig-buf tmp-buf))
4802               (t ; last
4803                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4804         (setq i (1+ i))
4805         (setq mlist (cdr mlist)))
4806       (set-buffer tmp-buf)
4807       (message "Exec %s..." wl-prog-uudecode)
4808       (unwind-protect
4809           (let ((decode-dir wl-temporary-file-directory))
4810             (if (not wl-prog-uudecode-no-stdout-option)
4811                 (setq filename (read-file-name "Save to file: "
4812                                                (expand-file-name
4813                                                 (elmo-safe-filename filename)
4814                                                 wl-temporary-file-directory)))
4815               (setq decode-dir
4816                     (wl-read-directory-name "Save to directory: "
4817                                             wl-temporary-file-directory))
4818               (setq filename (expand-file-name filename decode-dir)))
4819             (if (file-exists-p filename)
4820                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4821                                          filename))
4822                     (error "")))
4823             (elmo-bind-directory
4824              decode-dir
4825              (setq rc
4826                    (as-binary-process
4827                     (apply 'call-process-region (point-min) (point-max)
4828                            wl-prog-uudecode t (current-buffer) nil
4829                            wl-prog-uudecode-arg))))
4830             (when (not (= 0 rc))
4831               (setq errmsg (buffer-substring (point-min)(point-max)))
4832               (error "Uudecode error: %s" errmsg))
4833             (if (not wl-prog-uudecode-no-stdout-option)
4834                 (let (file-name-handler-alist) ;; void jka-compr
4835                   (as-binary-output-file
4836                    (write-region (point-min) (point-max)
4837                                  filename nil 'no-msg))))
4838             (save-excursion
4839               (set-buffer summary-buf)
4840               (wl-summary-delete-all-target-marks))
4841             (if (file-exists-p filename)
4842                 (message "Saved as %s" filename)))
4843         (kill-buffer tmp-buf)))))
4844
4845 ;; Someday
4846 ;; (defun wl-summary-drop-unsync ()
4847 ;;   "Drop all unsync messages."
4848 ;;   (interactive)
4849 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4850 ;;       (error "You cannot drop unsync messages in this folder"))
4851 ;;   (if (or (not (interactive-p))
4852 ;;        (y-or-n-p "Drop all unsync messages? "))
4853 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4854 ;;                         (wl-summary-buffer-folder-name)))
4855 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4856 ;;           (sum 0)
4857 ;;           (multi-num 0)
4858 ;;           pair)
4859 ;;      (message "Dropping...")
4860 ;;      (while folder-list
4861 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4862 ;;        (when is-multi ;; dirty hack...
4863 ;;          (incf multi-num)
4864 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4865 ;;                          (car pair))))
4866 ;;        (elmo-msgdb-set-number-alist
4867 ;;         (wl-summary-buffer-msgdb)
4868 ;;         (nconc
4869 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4870 ;;          (list (cons (car pair) nil))))
4871 ;;        (setq sum (+ sum (cdr pair)))
4872 ;;        (setq folder-list (cdr folder-list)))
4873 ;;      (wl-summary-set-message-modified)
4874 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
4875 ;;                                    (list 0
4876 ;;                                          (+ wl-summary-buffer-unread-count
4877 ;;                                             wl-summary-buffer-new-count)
4878 ;;                                          sum))
4879 ;;      (message "Dropping...done"))))
4880
4881 (defun wl-summary-default-get-next-msg (msg)
4882   (or (wl-summary-next-message msg
4883                                (if wl-summary-move-direction-downward 'down
4884                                  'up)
4885                                nil)
4886       (cadr (memq msg (if wl-summary-move-direction-downward
4887                           wl-summary-buffer-number-list
4888                         (reverse wl-summary-buffer-number-list))))))
4889
4890 (defun wl-summary-save-current-message ()
4891   "Save current message for `wl-summary-yank-saved-message'."
4892   (interactive)
4893   (let ((number (wl-summary-message-number)))
4894     (setq wl-summary-buffer-saved-message number)
4895     (and number (message "No: %s is saved." number))))
4896
4897 (defun wl-summary-yank-saved-message ()
4898   "Set current message as a parent of the saved message."
4899   (interactive)
4900   (if wl-summary-buffer-saved-message
4901       (let ((number (wl-summary-message-number)))
4902         (if (eq wl-summary-buffer-saved-message number)
4903             (message "Cannot set itself as a parent.")
4904           (save-excursion
4905             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
4906             (wl-thread-set-parent number)
4907             (wl-summary-set-thread-modified))
4908           (setq  wl-summary-buffer-saved-message nil)))
4909     (message "There's no saved message.")))
4910
4911 (defun wl-summary-toggle-header-narrowing ()
4912   "Toggle message header narrowing."
4913   (interactive)
4914   (when wl-message-use-header-narrowing
4915     (save-selected-window
4916       (let* ((mbuf wl-message-buffer)
4917              (mwin (when mbuf (get-buffer-window mbuf)))
4918              (wpos (when mwin (window-start mwin))))
4919         (when mbuf
4920           (set-buffer mbuf)
4921           (wl-message-header-narrowing-toggle)
4922           (and wpos (set-window-start mwin wpos)))))))
4923
4924 (require 'product)
4925 (product-provide (provide 'wl-summary) (require 'wl-version))
4926
4927 ;;; wl-summary.el ends here