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     (with-current-buffer cur-buf
2235       (elmo-folder-remove-handler wl-summary-buffer-elmo-folder
2236                                   wl-summary-buffer-event-handler))
2237     (kill-buffer cur-buf)
2238     (wl-summary-count-unread)
2239     (wl-summary-update-modeline)
2240     (if msg
2241         (if (eq wl-summary-buffer-view 'thread)
2242             (wl-thread-jump-to-msg msg)
2243           (wl-summary-jump-to-msg msg))
2244       (goto-char (point-max))
2245       (beginning-of-line))))
2246
2247 (defun wl-summary-get-buffer (folder)
2248   (or (and folder
2249            (get-buffer (wl-summary-sticky-buffer-name folder)))
2250       (get-buffer wl-summary-buffer-name)))
2251
2252 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2253   (if force-sticky
2254       (get-buffer-create
2255        (wl-summary-sticky-buffer-name name))
2256     (or (get-buffer (wl-summary-sticky-buffer-name name))
2257         (get-buffer-create wl-summary-buffer-name))))
2258
2259 (defun wl-summary-make-number-list ()
2260   (save-excursion
2261     (goto-char (point-min))
2262     (setq wl-summary-buffer-number-list nil)
2263     (while (not (eobp))
2264       (setq wl-summary-buffer-number-list
2265             (cons (wl-summary-message-number)
2266                   wl-summary-buffer-number-list))
2267       (forward-line 1))
2268     (setq wl-summary-buffer-number-list
2269           (nreverse wl-summary-buffer-number-list))))
2270
2271 (defun wl-summary-auto-select-msg-p (unread-msg)
2272   (and unread-msg
2273        (not (elmo-message-has-global-flag-p
2274              wl-summary-buffer-elmo-folder unread-msg))))
2275
2276 (defsubst wl-summary-open-folder (folder)
2277   ;; Select folder
2278   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2279     (unwind-protect
2280         (elmo-folder-open folder 'load-msgdb)
2281       ;; For compatibility
2282       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2283                                            folder)))))
2284
2285 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2286                                               sticky interactive scoring
2287                                               force-exit)
2288   "Display target folder on summary."
2289   (interactive)
2290   (let* ((keep-cursor (memq this-command
2291                             wl-summary-keep-cursor-command))
2292          (name (or name (wl-summary-read-folder wl-default-folder)))
2293          (cur-fld wl-summary-buffer-elmo-folder)
2294          folder buf mes hilit reuse-buf
2295          retval entity)
2296     (if (string= name "")
2297         (setq name wl-default-folder))
2298     (setq folder (wl-folder-get-elmo-folder name))
2299     (when (and (not (string=
2300                      (and cur-fld (elmo-folder-name-internal cur-fld))
2301                      (elmo-folder-name-internal folder))) ; folder is moved.
2302                (eq major-mode 'wl-summary-mode)) ; called in summary.
2303       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2304       (run-hooks 'wl-summary-exit-pre-hook)
2305       (if (or force-exit (not (wl-summary-sticky-p)))
2306           (wl-summary-cleanup-temp-marks))
2307       (wl-summary-save-view)
2308       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2309       (if (and (wl-summary-sticky-p) force-exit)
2310           (kill-buffer (current-buffer))))
2311     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2312                                             sticky))
2313     (setq reuse-buf
2314           (save-excursion
2315             (set-buffer buf)
2316             (string= (elmo-folder-name-internal folder)
2317                      (wl-summary-buffer-folder-name))))
2318     (unwind-protect
2319         (if reuse-buf
2320             (if interactive
2321                 (switch-to-buffer buf)
2322               (set-buffer buf))
2323           (if other-window
2324               (delete-other-windows))
2325           (set-buffer buf)
2326           (when wl-summary-buffer-event-handler
2327             (elmo-folder-remove-handler wl-summary-buffer-elmo-folder
2328                                         wl-summary-buffer-event-handler))
2329           (unless (eq major-mode 'wl-summary-mode)
2330             (wl-summary-mode))
2331           (wl-summary-buffer-set-folder folder)
2332           (setq wl-summary-buffer-display-mime-mode
2333                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2334                     'as-is
2335                   'mime))
2336           (setq wl-summary-buffer-disp-msg nil)
2337           (setq wl-summary-buffer-last-displayed-msg nil)
2338           (setq wl-summary-buffer-current-msg nil)
2339           (let ((inhibit-read-only t)
2340                 (buffer-read-only nil))
2341             (erase-buffer)
2342             ;; Resume summary view
2343             (if wl-summary-cache-use
2344                 (let* ((dir (elmo-folder-msgdb-path folder))
2345                        (cache (expand-file-name wl-summary-cache-file dir))
2346                        (view (expand-file-name wl-summary-view-file dir)))
2347                   (when (file-exists-p cache)
2348                     (insert-file-contents-as-binary cache)
2349                     (set-buffer-multibyte
2350                      default-enable-multibyte-characters)
2351                     (decode-mime-charset-region
2352                      (point-min)(point-max)
2353                      wl-summary-buffer-mime-charset 'LF))
2354                   (if (file-exists-p view)
2355                       (setq wl-summary-buffer-view
2356                             (wl-summary-load-file-object view))
2357                     (setq wl-summary-buffer-view
2358                           (or (wl-get-assoc-list-value
2359                                wl-summary-default-view-alist
2360                                (elmo-folder-name-internal folder))
2361                               wl-summary-default-view)))
2362                   (wl-thread-resume-entity folder)
2363                   (wl-summary-open-folder folder)
2364                   (wl-summary-detect-mark-position))
2365               (setq wl-summary-buffer-view
2366                     (wl-summary-load-file-object
2367                      (expand-file-name wl-summary-view-file
2368                                        (elmo-folder-msgdb-path folder))))
2369               (wl-summary-open-folder folder)
2370               (wl-summary-detect-mark-position)
2371               (wl-summary-rescan))
2372             (wl-summary-count-unread)
2373             (wl-summary-update-modeline)))
2374       (unless (eq wl-summary-buffer-view 'thread)
2375         (wl-summary-make-number-list))
2376       (setq wl-summary-buffer-unsync-mark-number-list
2377             (copy-sequence wl-summary-buffer-number-list))
2378       (when (and wl-summary-cache-use
2379                  (or (and wl-summary-check-line-format
2380                           (wl-summary-line-format-changed-p))
2381                      (wl-summary-view-old-p)))
2382         (wl-summary-rescan))
2383       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2384       (unless (and reuse-buf keep-cursor)
2385         (unwind-protect
2386             (let ((wl-use-scoring
2387                    (if (or scoring interactive) wl-use-scoring)))
2388               (if (and (not scan-type)
2389                        interactive
2390                        (not wl-ask-range))
2391                   (setq scan-type (wl-summary-get-sync-range folder)))
2392               (cond
2393                ((eq scan-type nil)
2394                 (wl-summary-sync 'unset-cursor))
2395                ((eq scan-type 'all)
2396                 (wl-summary-sync 'unset-cursor "all"))
2397                ((eq scan-type 'no-sync))
2398                ((eq scan-type 'rescan)
2399                 (wl-summary-rescan))
2400                ((or (eq scan-type 'force-update)
2401                     (eq scan-type 'update))
2402                 (setq mes (wl-summary-sync-force-update
2403                            'unset-cursor)))))
2404           (if interactive
2405               (switch-to-buffer buf)
2406             (set-buffer buf))
2407           ;; stick always-sticky-folder
2408           (when (wl-summary-always-sticky-folder-p folder)
2409             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2410           (run-hooks 'wl-summary-prepared-pre-hook)
2411           (set-buffer-modified-p nil)
2412           (goto-char (point-min))
2413           (if (wl-summary-cursor-down t)
2414               (let ((unreadp (wl-summary-next-message
2415                               (wl-summary-message-number)
2416                               'down t)))
2417                 (cond ((and wl-auto-select-first
2418                             (wl-summary-auto-select-msg-p unreadp))
2419                        ;; wl-auto-select-first is non-nil and
2420                        ;; unreadp is non-nil but not flagged
2421                        (setq retval 'disp-msg))
2422                       ((and wl-auto-prefetch-first
2423                             (wl-summary-auto-select-msg-p unreadp))
2424                        ;; wl-auto-select-first is non-nil and
2425                        ;; unreadp is non-nil but not flagged
2426                        (setq retval 'prefetch-msg))
2427                       ((not (wl-summary-auto-select-msg-p unreadp))
2428                        ;; unreadp is nil or flagged
2429                        (setq retval 'more-next))))
2430             (goto-char (point-max))
2431             (if (elmo-folder-plugged-p folder)
2432                 (forward-line -1)
2433               (wl-summary-prev))
2434             (setq retval 'more-next))
2435           (if (and wl-summary-highlight
2436                    (not wl-summary-lazy-highlight)
2437                    (not reuse-buf))
2438               (if (and wl-summary-highlight-partial-threshold
2439                        (> (count-lines (point-min) (point-max))
2440                           wl-summary-highlight-partial-threshold))
2441                   (save-excursion
2442                     (forward-line (-
2443                                    0
2444                                    (or
2445                                     wl-summary-partial-highlight-above-lines
2446                                     wl-summary-highlight-partial-threshold)))
2447                     (wl-highlight-summary (point) (point-max)))
2448                 (wl-highlight-summary (point-min) (point-max))))
2449           (if (eq retval 'disp-msg)
2450               (wl-summary-redisplay))
2451           (if (eq retval 'prefetch-msg)
2452               (wl-message-buffer-prefetch
2453                folder
2454                (wl-summary-message-number)
2455                wl-message-buffer-prefetch-depth
2456                (current-buffer)
2457                wl-summary-buffer-mime-charset))
2458           (if mes (message "%s" mes))
2459           (if (and interactive wl-summary-recenter)
2460               (recenter (/ (- (window-height) 2) 2))))))
2461     ;; set current entity-id
2462     (when (and folder
2463                (setq entity
2464                      (wl-folder-search-entity-by-name
2465                       (elmo-folder-name-internal folder)
2466                       wl-folder-entity
2467                       'folder)))
2468       ;; entity-id is unknown.
2469       (wl-folder-set-current-entity-id
2470        (wl-folder-get-entity-id entity)))
2471     (when (and wl-summary-buffer-window-scroll-functions
2472                wl-on-xemacs)
2473       (sit-for 0))
2474     (when (or (eq t wl-summary-force-prefetch-folder-list)
2475               (wl-string-match-member
2476                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2477                wl-summary-force-prefetch-folder-list))
2478       (wl-summary-force-prefetch))
2479     (unwind-protect
2480         (run-hooks 'wl-summary-prepared-hook)
2481       (set-buffer-modified-p nil))
2482     retval))
2483
2484 (defun wl-summary-goto-previous-message-beginning ()
2485   (end-of-line)
2486   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2487   (beginning-of-line))
2488
2489 (defun wl-summary-goto-top-of-current-thread ()
2490   (wl-summary-jump-to-msg
2491    (wl-thread-entity-get-number
2492     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2493                                       (wl-summary-message-number))))))
2494
2495 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2496   (interactive)
2497   (let ((depth (or depth
2498                    (wl-thread-get-depth-of-current-line))))
2499     (forward-line 1)
2500     (while (and (not (eobp))
2501                 (>= (wl-thread-get-depth-of-current-line)
2502                     depth))
2503       (forward-line 1))
2504     (beginning-of-line)))
2505
2506 (defun wl-summary-insert-line (line)
2507   "Insert LINE in the Summary."
2508   (if wl-use-highlight-mouse-line
2509       ;; remove 'mouse-face of current line.
2510       (put-text-property
2511        (save-excursion (beginning-of-line)(point))
2512        (save-excursion (end-of-line)(point))
2513        'mouse-face nil))
2514   (insert line "\n")
2515   (if wl-use-highlight-mouse-line
2516       ;; remove 'mouse-face of current line.
2517       (put-text-property
2518        (save-excursion (beginning-of-line)(point))
2519        (save-excursion (end-of-line)(point))
2520        'mouse-face nil))
2521   (ignore-errors
2522     (run-hooks 'wl-summary-line-inserted-hook)))
2523
2524 (defun wl-summary-insert-sequential (entity folder &rest args)
2525   (when entity
2526     (let ((inhibit-read-only t)
2527           (number (elmo-message-entity-number entity))
2528           buffer-read-only)
2529       (goto-char (point-max))
2530       (wl-summary-insert-line
2531        (wl-summary-create-line entity nil nil
2532                                (elmo-message-flags
2533                                 wl-summary-buffer-elmo-folder
2534                                 number)
2535                                (elmo-message-cached-p
2536                                 wl-summary-buffer-elmo-folder
2537                                 number)))
2538       (setq wl-summary-buffer-number-list
2539             (wl-append wl-summary-buffer-number-list
2540                        (list (elmo-message-entity-number entity))))
2541       nil)))
2542
2543 (defun wl-summary-default-subject-filter (subject)
2544   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2545   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2546   (elmo-replace-in-string subject "^\\[.*\\]" ""))
2547
2548 (defun wl-summary-subject-equal (subject1 subject2)
2549   (string= (funcall wl-summary-subject-filter-function subject1)
2550            (funcall wl-summary-subject-filter-function subject2)))
2551
2552 (defmacro wl-summary-put-alike (alike)
2553   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2554                         (, alike)
2555                         wl-summary-alike-hashtb)))
2556
2557 (defmacro wl-summary-get-alike ()
2558   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2559                         wl-summary-alike-hashtb)))
2560
2561 (defun wl-summary-insert-headers (folder func mime-decode)
2562   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2563         ov this last alike)
2564     (buffer-disable-undo (current-buffer))
2565     (make-local-variable 'wl-summary-alike-hashtb)
2566     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2567     (when mime-decode
2568       (set-buffer-multibyte default-enable-multibyte-characters))
2569     (while (setq ov (elmo-message-entity folder (pop numbers)))
2570       (setq this (funcall func ov))
2571       (and this (setq this (std11-unfold-string this)))
2572       (if (equal last this)
2573           (setq alike (cons ov alike))
2574         (when last
2575           (wl-summary-put-alike alike)
2576           (insert last ?\n))
2577         (setq alike (list ov)
2578               last this)))
2579     (when last
2580       (wl-summary-put-alike alike)
2581       (insert last ?\n))
2582     (when mime-decode
2583       (decode-mime-charset-region (point-min) (point-max)
2584                                   elmo-mime-charset)
2585       (when (eq mime-decode 'mime)
2586         (eword-decode-region (point-min) (point-max))))
2587     (run-hooks 'wl-summary-insert-headers-hook)))
2588
2589 (defun wl-summary-search-by-subject (entity folder)
2590   (let ((summary-buf (current-buffer))
2591         (buf (get-buffer-create wl-summary-search-buf-name))
2592         (folder-name (wl-summary-buffer-folder-name))
2593         match founds result)
2594     (with-current-buffer buf
2595       (let ((case-fold-search t))
2596         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2597                   (zerop (buffer-size)))
2598           (setq wl-summary-search-buf-folder-name folder-name)
2599           (message "Creating subject cache...")
2600           (wl-summary-insert-headers
2601            folder
2602            (function
2603             (lambda (x)
2604               (funcall wl-summary-subject-filter-function
2605                        (elmo-message-entity-field x 'subject))))
2606            t)
2607           (message "Creating subject cache...done"))
2608         (setq match (funcall wl-summary-subject-filter-function
2609                              (elmo-message-entity-field entity 'subject
2610                                                         'decode)))
2611         (if (string= match "")
2612             (setq match "\n"))
2613         (goto-char (point-max))
2614         (while (and (null result)
2615                     (not (= (point) (point-min)))
2616                     (search-backward match nil t))
2617           ;; check exactly match
2618           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2619             (setq founds (wl-summary-get-alike))
2620             (with-current-buffer summary-buf
2621               (while founds
2622                 (when (and
2623                        ;; the first element of found-entity list exists on
2624                        ;; thread tree.
2625                        (wl-thread-get-entity
2626                         (elmo-message-entity-number (car founds)))
2627                        ;; message id is not same as myself.
2628                        (not (string=
2629                              (elmo-message-entity-field entity 'message-id)
2630                              (elmo-message-entity-field (car founds)
2631                                                         'message-id)))
2632                        ;; not a descendant.
2633                        (not (wl-thread-descendant-p
2634                              (elmo-message-entity-number entity)
2635                              (elmo-message-entity-number (car founds)))))
2636                   (setq result (car founds)
2637                         founds nil))
2638                 (setq founds (cdr founds))))))
2639         result))))
2640
2641 (defun wl-summary-insert-thread (entity folder update
2642                                         &optional force-insert)
2643   (let ((depth 0)
2644         this-id parent-entity parent-number
2645         number cur-entity linked retval delayed-entity
2646         update-list entity-stack thread-entity)
2647     (while entity
2648       (setq this-id (elmo-message-entity-field entity 'message-id)
2649             number (elmo-message-entity-number entity))
2650       (if (and wl-thread-saved-entity-hashtb-internal
2651                (setq thread-entity
2652                      (elmo-get-hash-val
2653                       (format "#%d" (elmo-message-entity-number entity))
2654                       wl-thread-saved-entity-hashtb-internal)))
2655           (setq parent-entity
2656                 (elmo-message-entity
2657                  folder
2658                  (wl-thread-entity-get-parent thread-entity))
2659                 linked (wl-thread-entity-get-linked thread-entity))
2660         (setq parent-entity (elmo-message-entity-parent folder entity)
2661               linked nil))
2662       (setq parent-number (and parent-entity
2663                                (elmo-message-entity-number parent-entity)))
2664       ;; If thread loop detected, set parent as nil.
2665       (let ((cur entity)
2666             anumber relatives)
2667         (while cur
2668           (when (setq anumber
2669                       (elmo-message-entity-number
2670                        (setq cur (elmo-message-entity-parent folder cur))))
2671             (if (memq anumber relatives)
2672                 (setq parent-number nil
2673                       cur nil))
2674             (setq relatives (cons anumber relatives)))))
2675       (if (and parent-number
2676                (not (wl-thread-get-entity parent-number))
2677                (not force-insert))
2678           ;; parent exists in overview, but not in wl-thread-entities
2679           (progn
2680             (wl-append wl-summary-delayed-update
2681                        (list (cons parent-number entity)))
2682             (setq entity nil)) ;; exit loop
2683         ;; Search parent by subject.
2684         (when (and (null parent-number)
2685                    wl-summary-search-parent-by-subject-regexp
2686                    (string-match
2687                     wl-summary-search-parent-by-subject-regexp
2688                     (elmo-message-entity-field entity 'subject)))
2689           (let ((found (wl-summary-search-by-subject entity folder)))
2690             (when (and found
2691                        (not (member found wl-summary-delayed-update)))
2692               (setq parent-entity found)
2693               (setq parent-number
2694                     (elmo-message-entity-number parent-entity))
2695               (setq linked t))))
2696         ;; If subject is change, divide thread.
2697         (if (and parent-number
2698                  wl-summary-divide-thread-when-subject-changed
2699                  (not (wl-summary-subject-equal
2700                        (or (elmo-message-entity-field entity
2701                                                       'subject t) "")
2702                        (or (elmo-message-entity-field parent-entity
2703                                                       'subject t) ""))))
2704             (setq parent-number nil))
2705         (setq retval
2706               (wl-thread-insert-message entity
2707                                         number parent-number update linked))
2708         (and retval
2709              (wl-append update-list (list retval)))
2710         (setq entity nil) ; exit loop
2711         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2712           (setq wl-summary-delayed-update
2713                 (delq delayed-entity wl-summary-delayed-update))
2714           ;; update delayed message
2715           (wl-append entity-stack (list (cdr delayed-entity)))))
2716       (if (and (not entity)
2717                entity-stack)
2718           (setq entity (pop entity-stack))))
2719     update-list))
2720
2721 (defun wl-summary-update-thread (entity
2722                                  thr-entity
2723                                  parent-entity)
2724   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2725          (overview-entity entity)
2726          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2727          (number (elmo-message-entity-number entity))
2728          (parent-number (elmo-message-entity-number parent-entity))
2729          insert-line)
2730     (cond
2731      ((or (not parent-id)
2732           (string= this-id parent-id))
2733       (goto-char (point-max))
2734       (beginning-of-line)
2735       (setq insert-line t))
2736      ;; parent already exists in buffer.
2737      ((wl-summary-jump-to-msg parent-number)
2738       (wl-thread-goto-bottom-of-sub-thread)
2739       (setq insert-line t)))
2740     (when insert-line
2741       (let (buffer-read-only)
2742         (wl-summary-insert-line
2743          (wl-summary-create-line
2744           entity
2745           parent-entity
2746           nil
2747           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2748           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2749           (wl-thread-maybe-get-children-num number)
2750           (wl-thread-make-indent-string thr-entity)
2751           (wl-thread-entity-get-linked thr-entity)))))))
2752
2753 (defun wl-summary-target-mark-msgs (msgs)
2754   "Return the number of marked messages."
2755   (let ((i 0))
2756     (dolist (number msgs)
2757       (when (wl-summary-target-mark number)
2758         (setq i (1+ i))))
2759     i))
2760
2761 (defun wl-summary-pick (&optional from-list delete-marks)
2762   (interactive "i\nP")
2763   (save-excursion
2764     (let* ((messages (or from-list
2765                          (elmo-folder-list-messages
2766                           wl-summary-buffer-elmo-folder
2767                           'visible
2768                           'in-msgdb)
2769                          (error "No messages")))
2770            (condition (car (elmo-parse-search-condition
2771                             (elmo-read-search-condition
2772                              wl-summary-pick-field-default))))
2773            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2774                                        condition
2775                                        messages))
2776            num)
2777       (if delete-marks
2778           (let ((mlist wl-summary-buffer-target-mark-list))
2779             (while mlist
2780               (when (wl-summary-jump-to-msg (car mlist))
2781                 (wl-summary-unmark))
2782               (setq mlist (cdr mlist)))
2783             (setq wl-summary-buffer-target-mark-list nil)))
2784       (if (and result
2785                (setq num (wl-summary-target-mark-msgs result))
2786                (> num 0))
2787           (if (= num (length result))
2788               (message "%d message(s) are picked." num)
2789             (message "%d(%d) message(s) are picked." num
2790                      (- (length result) num)))
2791         (message "No message was picked.")))))
2792
2793 (defun wl-summary-unvirtual ()
2794   "Exit from current virtual folder."
2795   (interactive)
2796   (if (eq 'filter
2797           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2798       (wl-summary-goto-folder-subr
2799        (elmo-folder-name-internal
2800         (elmo-filter-folder-target-internal
2801          wl-summary-buffer-elmo-folder))
2802        'update nil nil t)
2803     (error "This folder is not filtered")))
2804
2805 (defun wl-summary-virtual (&optional arg)
2806   "Goto virtual folder.
2807 If ARG, exit virtual folder."
2808   (interactive "P")
2809   (if arg
2810       (wl-summary-unvirtual)
2811     (wl-summary-goto-folder-subr (concat "/"
2812                                          (elmo-read-search-condition
2813                                           wl-summary-pick-field-default)
2814                                          "/"
2815                                          (wl-summary-buffer-folder-name))
2816                                  'update nil nil t)
2817     (run-hooks 'wl-summary-virtual-hook)))
2818
2819 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2820   "Erase all temp marks from buffer."
2821   (interactive)
2822   (when (or wl-summary-buffer-target-mark-list
2823             wl-summary-buffer-temp-mark-list
2824             wl-summary-scored)
2825     (save-excursion
2826       (goto-char (point-min))
2827       (unless no-msg
2828         (message "Unmarking..."))
2829       (while (not (eobp))
2830         (wl-summary-unset-mark nil nil force)
2831         (forward-line 1))
2832       (unless no-msg
2833         (message "Unmarking...done"))
2834       (setq wl-summary-buffer-target-mark-list nil)
2835       (setq wl-summary-buffer-temp-mark-list nil))))
2836
2837 (defsubst wl-summary-temp-mark (&optional number)
2838   "Return temp-mark string of current line."
2839   (let ((number (or number (wl-summary-message-number)))
2840         info)
2841     (or (and (wl-summary-have-target-mark-p number)
2842              "*")
2843         (and (setq info (wl-summary-registered-temp-mark number))
2844              (nth 1 info))
2845         (wl-summary-get-score-mark number)
2846         " ")))
2847
2848 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2849   "Return the persistent mark string.
2850 The mark is decided according to the FOLDER, FLAGS and CACHED."
2851   (let ((priorities wl-summary-persistent-mark-priority-list)
2852         mark)
2853     (while (and (null mark) priorities)
2854       (if (and (eq (car priorities) 'flag)
2855                (elmo-get-global-flags flags 'ignore-preserved))
2856           (let ((specs wl-summary-flag-alist)
2857                 spec)
2858             (while (setq spec (car specs))
2859               (if (memq (car spec) flags)
2860                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2861                         specs nil)
2862                 (setq specs (cdr specs))))
2863             (unless mark
2864               (setq mark wl-summary-flag-mark)))
2865         (when (memq (car priorities) flags)
2866           (setq mark
2867                 (let ((var
2868                        (intern
2869                         (if cached
2870                             (format
2871                              "wl-summary-%s-cached-mark" (car priorities))
2872                           (format
2873                            "wl-summary-%s-uncached-mark" (car priorities))))))
2874                   (if (and (boundp var)
2875                            (symbol-value var))
2876                       (symbol-value var)
2877                     (if cached
2878                         (downcase (substring (symbol-name (car priorities))
2879                                              0 1))
2880                       (upcase (substring (symbol-name (car priorities))
2881                                          0 1))))))))
2882       (setq priorities (cdr priorities)))
2883     (or mark
2884         (if (or cached (elmo-folder-local-p folder))
2885             nil
2886           wl-summary-uncached-mark))))
2887
2888 (defsubst wl-summary-message-mark (folder number &optional flags)
2889   "Return mark of the message."
2890   (ignore-errors
2891     (wl-summary-persistent-mark-string
2892      folder
2893      (or flags (setq flags (elmo-message-flags folder number)))
2894      (memq 'cached flags) ; XXX for speed-up.
2895      )))
2896
2897 (defsubst wl-summary-persistent-mark (&optional number flags)
2898   "Return persistent-mark string of current line."
2899   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
2900                                (or number (wl-summary-message-number))
2901                                flags)
2902       " "))
2903
2904 (defun wl-summary-put-temp-mark (mark)
2905   "Put temp MARK on current line."
2906   (when wl-summary-buffer-temp-mark-column
2907     (save-excursion
2908       (beginning-of-line)
2909       (let ((inhibit-read-only t)
2910             (buffer-read-only nil))
2911         (move-to-column wl-summary-buffer-temp-mark-column)
2912         (delete-backward-char 1)
2913         (insert mark)))))
2914
2915 (defun wl-summary-next-buffer ()
2916   "Switch to next summary buffer."
2917   (interactive)
2918   (let ((buffers (sort (wl-collect-summary)
2919                        (lambda (buffer1 buffer2)
2920                          (string-lessp (buffer-name buffer1)
2921                                        (buffer-name buffer2))))))
2922     (switch-to-buffer
2923      (or (cadr (memq (current-buffer) buffers))
2924          (car buffers)))))
2925
2926 (defun wl-summary-previous-buffer ()
2927   "Switch to previous summary buffer."
2928   (interactive)
2929   (let ((buffers (sort (wl-collect-summary)
2930                        (lambda (buffer1 buffer2)
2931                          (not (string-lessp (buffer-name buffer1)
2932                                             (buffer-name buffer2)))))))
2933     (switch-to-buffer
2934      (or (cadr (memq (current-buffer) buffers))
2935          (car buffers)))))
2936
2937 (defun wl-summary-check-target-mark ()
2938   (when (null wl-summary-buffer-target-mark-list)
2939     (error "No marked message")))
2940
2941 (defun wl-summary-target-mark-mark-as-read ()
2942   (interactive)
2943   (wl-summary-check-target-mark)
2944   (save-excursion
2945     (goto-char (point-min))
2946     (let ((inhibit-read-only t)
2947           (buffer-read-only nil)
2948           wl-summary-buffer-disp-msg)
2949       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
2950       (dolist (number wl-summary-buffer-target-mark-list)
2951         (wl-summary-unset-mark number)))))
2952
2953 (defun wl-summary-target-mark-mark-as-unread ()
2954   (interactive)
2955   (wl-summary-check-target-mark)
2956   (save-excursion
2957     (goto-char (point-min))
2958     (let ((inhibit-read-only t)
2959           (buffer-read-only nil)
2960           wl-summary-buffer-disp-msg)
2961       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
2962       (dolist (number wl-summary-buffer-target-mark-list)
2963         (wl-summary-unset-mark number)))))
2964
2965 (defun wl-summary-target-mark-operation (flag &optional inverse)
2966   (wl-summary-check-target-mark)
2967   (save-excursion
2968     (let ((inhibit-read-only t)
2969           (buffer-read-only nil)
2970           wl-summary-buffer-disp-msg)
2971       (funcall
2972        (intern (format "wl-summary-mark-as-%s-internal" flag))
2973        inverse
2974        wl-summary-buffer-target-mark-list)
2975       (wl-summary-delete-all-target-marks))))
2976
2977 (defun wl-summary-target-mark-mark-as-important (&optional remove)
2978   (interactive "P")
2979   (wl-summary-target-mark-operation 'important remove))
2980
2981 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
2982   (interactive "P")
2983   (wl-summary-target-mark-operation 'answered remove))
2984
2985 (defun wl-summary-target-mark-set-flags (&optional remove)
2986   (interactive "P")
2987   (wl-summary-check-target-mark)
2988   (save-excursion
2989     (let ((inhibit-read-only t)
2990           (buffer-read-only nil)
2991           wl-summary-buffer-disp-msg)
2992       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
2993                                      nil nil remove)
2994       (wl-summary-delete-all-target-marks)
2995       (wl-summary-count-unread)
2996       (wl-summary-update-modeline))))
2997
2998 (defun wl-summary-target-mark-save ()
2999   (interactive)
3000   (wl-summary-check-target-mark)
3001   (let ((wl-save-dir
3002          (wl-read-directory-name "Save to directory: "
3003                                  wl-temporary-file-directory))
3004         number)
3005     (if (null (file-exists-p wl-save-dir))
3006         (make-directory wl-save-dir))
3007     (while (setq number (car wl-summary-buffer-target-mark-list))
3008       (wl-thread-jump-to-msg number)
3009       (wl-summary-save t wl-save-dir)
3010       (wl-summary-unmark))))
3011
3012 (defun wl-summary-target-mark-pick ()
3013   (interactive)
3014   (wl-summary-check-target-mark)
3015   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3016
3017 (defun wl-summary-update-persistent-mark (&optional number flags)
3018   "Synch up persistent mark of current line with msgdb's.
3019 Return non-nil if the mark is updated"
3020   (interactive)
3021   (prog1
3022       (when wl-summary-buffer-persistent-mark-column
3023         (save-excursion
3024           (move-to-column wl-summary-buffer-persistent-mark-column)
3025           (let ((inhibit-read-only t)
3026                 (buffer-read-only nil)
3027                 (mark (buffer-substring (- (point) 1) (point)))
3028                 (new-mark (wl-summary-persistent-mark number flags)))
3029             (unless (string= new-mark mark)
3030               (delete-backward-char 1)
3031               (insert new-mark)
3032               (wl-summary-set-message-modified)
3033               t))))
3034     (when wl-summary-highlight
3035       (wl-highlight-summary-current-line))
3036     (set-buffer-modified-p nil)))
3037
3038 (defsubst wl-summary-mark-as-read-internal (inverse
3039                                             number-or-numbers
3040                                             no-folder-mark
3041                                             no-modeline-update)
3042   (save-excursion
3043     (let ((folder wl-summary-buffer-elmo-folder)
3044           unread-message number
3045           number-list)
3046       (setq number-list (cond ((numberp number-or-numbers)
3047                                (setq unread-message
3048                                      (elmo-message-flagged-p
3049                                       folder
3050                                       number-or-numbers
3051                                       'unread))
3052                                (list number-or-numbers))
3053                               ((and (not (null number-or-numbers))
3054                                     (listp number-or-numbers))
3055                                number-or-numbers)
3056                               ((setq number (wl-summary-message-number))
3057                                ;; interactive
3058                                (setq unread-message
3059                                      (elmo-message-flagged-p
3060                                       folder
3061                                       number
3062                                       'unread))
3063                                (list number))))
3064       (if (null number-list)
3065           (message "No message.")
3066         (if inverse
3067             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3068           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3069         (when (and unread-message
3070                    (not inverse))
3071           (dolist (number number-list)
3072             (wl-summary-jump-to-msg number)
3073             (run-hooks 'wl-summary-unread-message-hook)))
3074         (unless no-modeline-update
3075           ;; Update unread numbers.
3076           (wl-summary-count-unread)
3077           (wl-summary-update-modeline)
3078           (wl-folder-update-unread
3079            (wl-summary-buffer-folder-name)
3080            wl-summary-buffer-unread-count))))))
3081
3082 (defun wl-summary-mark-as-read (&optional number-or-numbers
3083                                           no-folder-mark
3084                                           no-modeline-update)
3085   (interactive)
3086   (wl-summary-mark-as-read-internal nil
3087                                     number-or-numbers
3088                                     no-folder-mark
3089                                     no-modeline-update))
3090
3091 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3092                                             no-folder-mark
3093                                             no-modeline-update)
3094   (interactive)
3095   (wl-summary-mark-as-read-internal 'inverse
3096                                     number-or-numbers
3097                                     no-folder-mark
3098                                     no-modeline-update))
3099
3100 (defsubst wl-summary-set-persistent-mark-internal (inverse
3101                                                    flag
3102                                                    &optional number-or-numbers
3103                                                    no-modeline-update
3104                                                    no-server
3105                                                    interactive)
3106   "Set persistent mark."
3107   (save-excursion
3108     (let ((folder wl-summary-buffer-elmo-folder)
3109           number number-list)
3110       (setq number-list (cond ((numberp number-or-numbers)
3111                                (list number-or-numbers))
3112                               ((and (not (null number-or-numbers))
3113                                     (listp number-or-numbers))
3114                                number-or-numbers)
3115                               ((setq number (wl-summary-message-number))
3116                                ;; interactive
3117                                (list number))))
3118       (if (null number-list)
3119           (message "No message.")
3120         ;; XXX Only the first element of the list is checked.
3121         (if (elmo-message-flag-available-p folder (car number-list) flag)
3122             (progn
3123               (if inverse
3124                   (elmo-folder-unset-flag folder number-list flag no-server)
3125                 (elmo-folder-set-flag folder number-list flag no-server))
3126               (unless no-modeline-update
3127                 ;; Update unread numbers.
3128                 ;; should elmo-flag-mark-as-read return unread numbers?
3129                 (wl-summary-count-unread)
3130                 (wl-summary-update-modeline)
3131                 (wl-folder-update-unread
3132                  (wl-summary-buffer-folder-name)
3133                  wl-summary-buffer-unread-count)))
3134           (if interactive
3135               (error "Flag `%s' is not available in this folder" flag)))))))
3136
3137 (defun wl-summary-unset-persistent-mark (&optional flag
3138                                                    number-or-numbers
3139                                                    no-modeline-update
3140                                                    no-server)
3141   "Unset persistent mark."
3142   (interactive)
3143   (when (interactive-p)
3144     (let ((completion-ignore-case t))
3145       (setq flag (intern (downcase
3146                           (completing-read
3147                            "Mark name: "
3148                            (mapcar (lambda (flag)
3149                                      (list (capitalize (symbol-name flag))))
3150                                    (wl-summary-get-available-flags))
3151                            nil
3152                            'require-match))))))
3153   (wl-summary-set-persistent-mark-internal 'inverse
3154                                            flag
3155                                            number-or-numbers
3156                                            no-modeline-update
3157                                            no-server
3158                                            (interactive-p)))
3159
3160 (defun wl-summary-set-persistent-mark (&optional flag
3161                                                  number-or-numbers
3162                                                  no-modeline-update
3163                                                  no-server)
3164   "Set persistent mark."
3165   (interactive)
3166   (when (interactive-p)
3167     (let ((completion-ignore-case t))
3168       (setq flag (intern (downcase
3169                           (completing-read
3170                            "Mark name: "
3171                            (mapcar (lambda (flag)
3172                                      (list (capitalize (symbol-name flag))))
3173                                    (wl-summary-get-available-flags))
3174                            nil
3175                            'require-match))))))
3176   (wl-summary-set-persistent-mark-internal nil
3177                                            flag
3178                                            number-or-numbers
3179                                            no-modeline-update
3180                                            no-server
3181                                            (interactive-p)))
3182
3183 (defun wl-summary-toggle-persistent-mark (&optional force)
3184   "Toggle persistent mark."
3185   (interactive "P")
3186   (let ((completion-ignore-case t)
3187         flag)
3188     (setq flag (intern (downcase
3189                         (completing-read
3190                          "Mark name: "
3191                          (mapcar (lambda (flag)
3192                                    (list (capitalize (symbol-name flag))))
3193                                  (wl-summary-get-available-flags))
3194                          nil
3195                          'require-match))))
3196     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3197                                      (wl-summary-message-number)
3198                                      flag)
3199              (not force))
3200         (wl-summary-unset-persistent-mark flag)
3201       (wl-summary-set-persistent-mark flag))))
3202
3203 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3204                                               no-modeline-update)
3205   (interactive)
3206   (wl-summary-set-persistent-mark-internal
3207    (and (interactive-p)
3208         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3209                                 (wl-summary-message-number)
3210                                 'answered))
3211    'answered
3212    number-or-numbers
3213    no-modeline-update
3214    nil
3215    (interactive-p)))
3216
3217 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3218                                                 no-modeline-update)
3219   (wl-summary-set-persistent-mark-internal
3220    'inverse
3221    'answered
3222    number-or-numbers
3223    no-modeline-update))
3224
3225 (defun wl-summary-decide-flag (folder number)
3226   (let ((flags (elmo-get-global-flags (elmo-message-flags
3227                                        folder number)))
3228         (completion-ignore-case t)
3229         new-flags)
3230     (setq new-flags
3231           (delq nil
3232                 (mapcar
3233                  (lambda (flag)
3234                    (and (> (length flag) 0)
3235                         (intern (downcase flag))))
3236                  (wl-completing-read-multiple
3237                   "Flags: "
3238                   (mapcar (lambda (flag)
3239                             (list (capitalize (symbol-name flag))))
3240                           elmo-global-flags)
3241                   nil nil (mapconcat (lambda (flag)
3242                                        (capitalize (symbol-name flag)))
3243                                      flags
3244                                      ",")))))
3245     (dolist (flag new-flags)
3246       (unless (memq flag elmo-global-flags)
3247         (when (elmo-local-flag-p flag)
3248           (error "Cannot treat `%s'." flag))
3249         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3250                               (capitalize (symbol-name flag))))
3251             (setq elmo-global-flags (append
3252                                      elmo-global-flags
3253                                      (list flag)))
3254           (error "Stopped"))))
3255     new-flags))
3256
3257 (defsubst wl-summary-set-flags-internal (&optional
3258                                         number-or-numbers
3259                                         flags
3260                                         local
3261                                         remove-all)
3262   (save-excursion
3263     (let ((folder wl-summary-buffer-elmo-folder)
3264           number number-list)
3265       (setq number-list (cond ((numberp number-or-numbers)
3266                                (list number-or-numbers))
3267                               ((and (not (null number-or-numbers))
3268                                     (listp number-or-numbers))
3269                                number-or-numbers)
3270                               ((setq number (wl-summary-message-number))
3271                                ;; interactive
3272                                (list number))))
3273       (if remove-all
3274           (setq flags nil)
3275         (unless flags
3276           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3277       (if (null number-list)
3278           (message "No message.")
3279         (dolist (number number-list)
3280           (elmo-message-set-global-flags folder number flags local)))
3281       flags)))
3282
3283 (defun wl-summary-set-flags (&optional remove)
3284   (interactive "P")
3285   (wl-summary-set-flags-internal nil nil nil remove))
3286
3287 (defun wl-summary-mark-as-important (&optional prompt)
3288   (interactive "P")
3289   (if prompt
3290       (wl-summary-set-flags-internal)
3291     (wl-summary-set-persistent-mark-internal
3292      (and (interactive-p)
3293           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3294                                   (wl-summary-message-number)
3295                                   'important))
3296      'important
3297      nil nil nil (interactive-p))))
3298
3299 ;;; Summary line.
3300 (defvar wl-summary-line-formatter nil)
3301
3302 (defun wl-summary-view-old-p ()
3303   "Return non-nil when summary view cache has old format."
3304   (save-excursion
3305     (goto-char (point-min))
3306     (and wl-summary-buffer-number-list
3307          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3308
3309 (defun wl-summary-line-format-changed-p ()
3310   "Return non-nil when summary line format is changed."
3311   (not (string=
3312         wl-summary-buffer-line-format
3313         (or (elmo-object-load (expand-file-name
3314                                wl-summary-line-format-file
3315                                (elmo-folder-msgdb-path
3316                                 wl-summary-buffer-elmo-folder))
3317                               wl-summary-buffer-mime-charset)
3318             wl-summary-buffer-line-format))))
3319
3320 (defun wl-summary-line-format-save ()
3321   "Save current summary line format."
3322   (elmo-object-save
3323    (expand-file-name wl-summary-line-format-file
3324                      (elmo-folder-msgdb-path
3325                       wl-summary-buffer-elmo-folder))
3326    wl-summary-buffer-line-format
3327    wl-summary-buffer-mime-charset))
3328
3329 (defun wl-summary-line-number ()
3330   (wl-set-string-width
3331    (- wl-summary-buffer-number-column)
3332    (number-to-string
3333     (elmo-message-entity-number wl-message-entity))))
3334
3335 (defun wl-summary-line-year ()
3336   (aref wl-datevec 0))
3337 (defun wl-summary-line-month ()
3338   (format "%02d" (aref wl-datevec 1)))
3339 (defun wl-summary-line-day ()
3340   (format "%02d" (aref wl-datevec 2)))
3341 (defun wl-summary-line-day-of-week ()
3342   (condition-case nil
3343       (elmo-date-get-week (aref wl-datevec 0)
3344                           (aref wl-datevec 1)
3345                           (aref wl-datevec 2))
3346     (error "??")))
3347 (defun wl-summary-line-hour ()
3348   (format "%02d" (aref wl-datevec 3)))
3349 (defun wl-summary-line-minute ()
3350   (format "%02d" (aref wl-datevec 4)))
3351
3352 (defun wl-summary-line-size ()
3353   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3354     (if size
3355         (cond
3356          ((<= 1 (/ size 1048576))
3357           (format "%.0fM" (/ size 1048576.0)))
3358          ((<= 1 (/ size 1024))
3359           (format "%.0fK" (/ size 1024.0)))
3360          (t (format "%dB" size)))
3361       "")))
3362
3363 (defun wl-summary-line-subject ()
3364   (let (no-parent subject parent-raw-subject parent-subject)
3365     (if (string= wl-thr-indent-string "")
3366         (setq no-parent t)) ; no parent
3367     (setq subject
3368           (elmo-delete-char ?\n
3369                             (or (elmo-message-entity-field
3370                                  wl-message-entity
3371                                  'subject t)
3372                                 wl-summary-no-subject-message)))
3373     (setq parent-raw-subject
3374           (elmo-message-entity-field wl-parent-message-entity
3375                                      'subject t))
3376     (setq parent-subject
3377           (if parent-raw-subject
3378               (elmo-delete-char ?\n parent-raw-subject)))
3379     (if (or no-parent
3380             (null parent-subject)
3381             (not (wl-summary-subject-equal
3382                   subject parent-subject)))
3383         (funcall wl-summary-subject-function subject)
3384       "")))
3385
3386 (defun wl-summary-line-from ()
3387   (elmo-delete-char ?\n
3388                     (funcall wl-summary-from-function
3389                              (elmo-message-entity-field
3390                               wl-message-entity
3391                               'from t))))
3392
3393 (defun wl-summary-line-list-info ()
3394   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3395     (if (car list-info)
3396         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3397                 (car list-info) (cdr list-info))
3398       "")))
3399
3400 (defun wl-summary-line-list-count ()
3401   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3402     (if ml-count
3403         (format "%.0f" ml-count)
3404       "")))
3405
3406 (defun wl-summary-line-attached ()
3407   (let ((content-type (elmo-message-entity-field
3408                        wl-message-entity 'content-type))
3409         (case-fold-search t))
3410     (if (and content-type
3411              (string-match "multipart/mixed" content-type))
3412         "@"
3413       "")))
3414
3415 ;;; For future use.
3416 ;;(defun wl-summary-line-cached ()
3417 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3418 ;;                           (elmo-message-entity-number wl-message-entity))
3419 ;;      " "
3420 ;;    "u"))
3421
3422 (defun wl-summary-create-line (wl-message-entity
3423                                wl-parent-message-entity
3424                                wl-temp-mark
3425                                wl-flags
3426                                wl-cached
3427                                &optional
3428                                wl-thr-children-number
3429                                wl-thr-indent-string
3430                                wl-thr-linked)
3431   "Create a summary line."
3432   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3433         (wl-persistent-mark (wl-summary-persistent-mark-string
3434                              wl-summary-buffer-elmo-folder
3435                              wl-flags
3436                              wl-cached))
3437         (elmo-mime-charset wl-summary-buffer-mime-charset)
3438         (elmo-lang wl-summary-buffer-weekday-name-lang)
3439         (wl-datevec (or (ignore-errors (timezone-fix-time
3440                                         (elmo-message-entity-field
3441                                          wl-message-entity
3442                                          'date)
3443                                         nil
3444                                         wl-summary-fix-timezone))
3445                         (make-vector 5 0)))
3446         (entity wl-message-entity) ; backward compatibility.
3447         line mark)
3448     (if (and wl-thr-indent-string
3449              wl-summary-indent-length-limit
3450              (< wl-summary-indent-length-limit
3451                 (string-width wl-thr-indent-string)))
3452         (setq wl-thr-indent-string (wl-set-string-width
3453                                     wl-summary-indent-length-limit
3454                                     wl-thr-indent-string)))
3455     (setq line (funcall wl-summary-buffer-line-formatter))
3456     (if wl-summary-width (setq line
3457                                (wl-set-string-width
3458                                 (- wl-summary-width 1) line nil
3459                                 'ignore-invalid)))
3460     (setq line (concat line
3461                        "\r"
3462                        (number-to-string
3463                         (elmo-message-entity-number
3464                          wl-message-entity))))
3465     (if wl-summary-highlight
3466         (wl-highlight-summary-line-string
3467          (elmo-message-entity-number wl-message-entity)
3468          line
3469          wl-flags
3470          wl-temp-mark
3471          wl-thr-indent-string))
3472     line))
3473
3474 (defsubst wl-summary-proc-wday (wday-str year month mday)
3475   (save-match-data
3476     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3477         (wl-match-string 1 wday-str)
3478       (elmo-date-get-week year month mday))))
3479
3480 (defvar wl-summary-move-spec-alist
3481   '((new . ((t . nil)
3482             (p . new)
3483             (p . unread)
3484             (p . digest)))
3485     (unread . ((t . nil)
3486                (p . unread)
3487                (p . digest)))))
3488
3489 (defsubst wl-summary-next-message (num direction hereto)
3490   (if wl-summary-buffer-next-message-function
3491       (funcall wl-summary-buffer-next-message-function num direction hereto)
3492     (let ((cur-spec (cdr (assq wl-summary-move-order
3493                                wl-summary-move-spec-alist)))
3494           (nums (memq num (if (eq direction 'up)
3495                               (reverse wl-summary-buffer-number-list)
3496                             wl-summary-buffer-number-list)))
3497           flagged-list nums2)
3498       (unless hereto (setq nums (cdr nums)))
3499       (setq nums2 nums)
3500       (if cur-spec
3501           (catch 'done
3502             (while cur-spec
3503               (setq nums nums2)
3504               (cond ((eq (car (car cur-spec)) 'p)
3505                      (if (setq flagged-list
3506                                (elmo-folder-list-flagged
3507                                 wl-summary-buffer-elmo-folder
3508                                 (cdr (car cur-spec)) t))
3509                          (while nums
3510                            (if (and (memq (car nums) flagged-list)
3511                                     (elmo-message-accessible-p
3512                                      wl-summary-buffer-elmo-folder
3513                                      (car nums)))
3514                                (throw 'done (car nums)))
3515                            (setq nums (cdr nums)))))
3516                     ((eq (car (car cur-spec)) 't)
3517                      (if wl-summary-buffer-target-mark-list
3518                          (while nums
3519                            (if (memq (car nums)
3520                                      wl-summary-buffer-target-mark-list)
3521                                (throw 'done (car nums)))
3522                            (setq nums (cdr nums))))))
3523               (setq cur-spec (cdr cur-spec))))
3524         (car nums)))))
3525
3526 (defsubst wl-summary-cursor-move (direction hereto)
3527   (when (and (eq direction 'up)
3528              (eobp))
3529     (forward-line -1)
3530     (setq hereto t))
3531   (let (num)
3532     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3533                                              direction hereto))
3534       (if (numberp num)
3535           (wl-thread-jump-to-msg num))
3536       t)))
3537 ;;
3538 ;; Goto unread or global flag message
3539 ;; returns t if next message exists in this folder.
3540 (defun wl-summary-cursor-down (&optional hereto)
3541   (interactive "P")
3542   (wl-summary-cursor-move 'down hereto))
3543
3544 (defun wl-summary-cursor-up (&optional hereto)
3545   (interactive "P")
3546   (wl-summary-cursor-move 'up hereto))
3547
3548 (defun wl-summary-save-view-cache ()
3549   (save-excursion
3550     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3551            (cache (expand-file-name wl-summary-cache-file dir))
3552            (view (expand-file-name wl-summary-view-file dir))
3553            (save-view wl-summary-buffer-view)
3554            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3555            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3556            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3557            (temp-column wl-summary-buffer-temp-mark-column)
3558            (charset wl-summary-buffer-mime-charset))
3559       (when dir
3560         (if (file-directory-p dir)
3561             (); ok.
3562           (if (file-exists-p dir)
3563               (error "File %s already exists" dir)
3564             (elmo-make-directory dir)))
3565         (if (eq save-view 'thread)
3566             (wl-thread-save-entity dir))
3567         (when wl-summary-check-line-format
3568           (wl-summary-line-format-save))
3569         (unwind-protect
3570             (progn
3571               (when (file-writable-p cache)
3572                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3573                 (with-current-buffer tmp-buffer
3574                   (widen)
3575                   (make-local-variable 'wl-summary-highlight)
3576                   (setq wl-summary-highlight nil
3577                         wl-summary-buffer-target-mark-list mark-list
3578                         wl-summary-buffer-temp-mark-list temp-list
3579                         wl-summary-buffer-temp-mark-column temp-column)
3580                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3581                   (encode-coding-region
3582                    (point-min) (point-max)
3583                    (or (and wl-on-mule
3584                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3585                             (mime-charset-to-coding-system charset 'LF))
3586                        ;; Mule 2 doesn't have `*ctext*unix'.
3587                        (mime-charset-to-coding-system charset)))
3588                   (write-region-as-binary (point-min)(point-max)
3589                                           cache nil 'no-msg)))
3590               (when (file-writable-p view) ; 'thread or 'sequence
3591                 (save-excursion
3592                   (set-buffer tmp-buffer)
3593                   (erase-buffer)
3594                   (prin1 save-view tmp-buffer)
3595                   (princ "\n" tmp-buffer)
3596                   (write-region (point-min) (point-max) view nil 'no-msg))))
3597           ;; kill tmp buffer.
3598           (kill-buffer tmp-buffer))))))
3599
3600 (defsubst wl-summary-get-sync-range (folder)
3601   (intern (or (and
3602                (elmo-folder-plugged-p folder)
3603                (wl-get-assoc-list-value
3604                 wl-folder-sync-range-alist
3605                 (elmo-folder-name-internal folder)
3606                 'function))
3607               wl-default-sync-range)))
3608
3609 ;; redefined for wl-summary-sync-update
3610 (defun wl-summary-input-range (folder)
3611   "returns update or all or rescan."
3612   ;; for the case when parts are expanded in the bottom of the folder
3613   (let ((input-range-list '("no-sync"
3614                             "first:"
3615                             "last:"
3616                             "cache-status"
3617                             "mark"
3618                             "rescan"
3619                             "rescan-noscore"
3620                             "rescan-thread"
3621                             "update"
3622                             "update-entirely"
3623                             "all"
3624                             "all-entirely"))
3625         (default (or (wl-get-assoc-list-value
3626                       wl-folder-sync-range-alist
3627                       folder
3628                       'function)
3629                      wl-default-sync-range))
3630         range)
3631     (setq range
3632           (completing-read (format "Range (%s): " default)
3633                            (mapcar
3634                             (function (lambda (x) (cons x x)))
3635                             input-range-list)))
3636     (if (string= range "")
3637         default
3638       range)))
3639
3640 (defun wl-summary-toggle-disp-folder (&optional arg)
3641   (interactive)
3642   (let ((cur-buf (current-buffer))
3643         (summary-win (get-buffer-window (current-buffer)))
3644         fld-buf fld-win)
3645     (cond
3646      ((eq arg 'on)
3647       (setq wl-summary-buffer-disp-folder t)
3648       ;; hide your folder window
3649       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3650           (if (setq fld-win (get-buffer-window fld-buf))
3651               (delete-window fld-win))))
3652      ((eq arg 'off)
3653       (setq wl-summary-buffer-disp-folder nil)
3654       ;; hide your wl-message window!
3655       (when (buffer-live-p wl-message-buffer)
3656         (wl-message-select-buffer wl-message-buffer)
3657         (delete-window))
3658       (select-window (get-buffer-window cur-buf))
3659       ;; display wl-folder window!!
3660       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3661           (if (setq fld-win (get-buffer-window fld-buf))
3662               ;; folder win is already displayed.
3663               (select-window fld-win)
3664             ;; folder win is not displayed.
3665             (switch-to-buffer fld-buf))
3666         ;; no folder buf
3667         (wl-folder))
3668       ;; temporarily delete summary-win.
3669       (if summary-win
3670           (delete-window summary-win))
3671       (split-window-horizontally wl-folder-window-width)
3672       (other-window 1)
3673       (switch-to-buffer cur-buf))
3674      (t
3675       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3676           (if (setq fld-win (get-buffer-window fld-buf))
3677               (setq wl-summary-buffer-disp-folder nil)
3678             (setq wl-summary-buffer-disp-folder t)))
3679       (if (not wl-summary-buffer-disp-folder)
3680           ;; hide message window
3681           (let ((mes-win (and wl-message-buffer
3682                               (get-buffer-window wl-message-buffer)))
3683                 (wl-stay-folder-window t))
3684             (if mes-win (delete-window mes-win))
3685             ;; hide your folder window
3686             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3687                 (if (setq fld-win (get-buffer-window fld-buf))
3688                     (progn
3689                       (delete-window (get-buffer-window cur-buf))
3690                       (select-window fld-win)
3691                       (switch-to-buffer cur-buf))))
3692             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3693             ;; resume message window.
3694             (when mes-win
3695               (wl-message-select-buffer wl-message-buffer)
3696               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3697               (select-window (get-buffer-window cur-buf))))
3698         ;; hide message window
3699         (let ((wl-stay-folder-window t)
3700               (mes-win (and wl-message-buffer
3701                             (get-buffer-window wl-message-buffer))))
3702           (if mes-win (delete-window mes-win))
3703           (select-window (get-buffer-window cur-buf))
3704           ;; display wl-folder window!!
3705           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3706               (if (setq fld-win (get-buffer-window fld-buf))
3707                   ;; folder win is already displayed.
3708                   (select-window fld-win)
3709                 ;; folder win is not displayed...occupy all.
3710                 (switch-to-buffer fld-buf))
3711             ;; no folder buf
3712             (wl-folder))
3713           (split-window-horizontally wl-folder-window-width)
3714           (other-window 1)
3715           (switch-to-buffer cur-buf)
3716           ;; resume message window.
3717           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3718           (when mes-win
3719             (wl-message-select-buffer wl-message-buffer)
3720             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3721             (select-window (get-buffer-window cur-buf))))))))
3722   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3723
3724 (defun wl-summary-toggle-disp-msg (&optional arg)
3725   (interactive)
3726   (let ((cur-buf (current-buffer))
3727         fld-buf fld-win
3728         summary-win)
3729     (cond
3730      ((eq arg 'on)
3731       (setq wl-summary-buffer-disp-msg t)
3732       (save-excursion
3733         ;; hide your folder window
3734         (if (and (not wl-stay-folder-window)
3735                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3736             (if (setq fld-win (get-buffer-window fld-buf))
3737                 (unless (one-window-p fld-win)
3738                   (delete-window fld-win))))))
3739      ((eq arg 'off)
3740       (wl-delete-all-overlays)
3741       (setq wl-summary-buffer-disp-msg nil)
3742       (save-excursion
3743         (when (buffer-live-p wl-message-buffer)
3744           (wl-message-select-buffer wl-message-buffer)
3745           (delete-window)
3746           (and (get-buffer-window cur-buf)
3747                (select-window (get-buffer-window cur-buf))))
3748         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3749      (t
3750       (if (and wl-message-buffer
3751                (get-buffer-window wl-message-buffer)) ; already displayed
3752           (setq wl-summary-buffer-disp-msg nil)
3753         (setq wl-summary-buffer-disp-msg t))
3754       (if wl-summary-buffer-disp-msg
3755           (progn
3756             (wl-summary-redisplay)
3757 ;;; hide your folder window
3758 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3759 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3760 ;;;             (delete-window fld-win)))
3761             (run-hooks 'wl-summary-toggle-disp-on-hook))
3762         (wl-delete-all-overlays)
3763         (save-excursion
3764           (wl-message-select-buffer wl-message-buffer)
3765           (delete-window)
3766           (select-window (get-buffer-window cur-buf))
3767           (setq wl-message-buffer nil)
3768           (run-hooks 'wl-summary-toggle-disp-off-hook))
3769 ;;;     (switch-to-buffer cur-buf)
3770         )))
3771     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3772
3773 (defun wl-summary-enter-handler (&optional arg)
3774   "A command for `enter' key in the summary.
3775 Basically, it shows next line of the message.
3776 If optional argument ARG is specified, behave as followed.
3777 If ARG is number, jump to the message.
3778 Otherwise it shows previous line of the message."
3779   (interactive "P")
3780   (cond ((numberp arg)
3781          (unless (wl-thread-jump-to-msg arg)
3782            (message "Message (#%d) was not found." arg)))
3783         (arg
3784          (wl-summary-prev-line-content))
3785         (t
3786          (wl-summary-next-line-content))))
3787
3788 (defun wl-summary-next-line-content ()
3789   "Show next line of the message."
3790   (interactive)
3791   (let ((cur-buf (current-buffer)))
3792     (wl-summary-toggle-disp-msg 'on)
3793     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3794       (set-buffer cur-buf)
3795       (wl-message-next-page 1))))
3796
3797 (defun wl-summary-prev-line-content ()
3798   (interactive)
3799   (let ((cur-buf (current-buffer)))
3800     (wl-summary-toggle-disp-msg 'on)
3801     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3802       (set-buffer cur-buf)
3803       (wl-message-prev-page 1))))
3804
3805 (defun wl-summary-next-page ()
3806   (interactive)
3807   (let ((cur-buf (current-buffer)))
3808     (wl-summary-toggle-disp-msg 'on)
3809     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3810       (set-buffer cur-buf)
3811       (wl-message-next-page))))
3812
3813 (defun wl-summary-prev-page ()
3814   (interactive)
3815   (let ((cur-buf (current-buffer)))
3816     (wl-summary-toggle-disp-msg 'on)
3817     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3818       (set-buffer cur-buf)
3819       (wl-message-prev-page))))
3820
3821 (defsubst wl-summary-no-mime-p (folder)
3822   (wl-string-match-member (elmo-folder-name-internal folder)
3823                           wl-summary-no-mime-folder-list))
3824
3825 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3826   "Set message buffer.
3827 If message is not displayed yet, display it.
3828 Return t if message exists."
3829   (let ((folder wl-summary-buffer-elmo-folder)
3830         (number (wl-summary-message-number))
3831         cur-folder cur-number message-last-pos)
3832     (when (buffer-live-p wl-message-buffer)
3833       (save-window-excursion
3834         (setq wl-current-summary-buffer (current-buffer))
3835         (wl-message-select-buffer wl-message-buffer)
3836         (setq cur-folder wl-message-buffer-cur-folder)
3837         (setq cur-number wl-message-buffer-cur-number)))
3838     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3839              (eq number (or cur-number 0)))
3840         (progn
3841           (set-buffer wl-message-buffer)
3842           t)
3843       (wl-summary-redisplay-internal folder number)
3844       (when (buffer-live-p wl-message-buffer)
3845         (set-buffer wl-message-buffer))
3846       nil)))
3847
3848 (defun wl-summary-target-mark-forward (&optional arg)
3849   (interactive "P")
3850   (wl-summary-check-target-mark)
3851   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3852         (summary-buf (current-buffer))
3853         (wl-draft-forward t)
3854         start-point
3855         draft-buf)
3856     (wl-summary-jump-to-msg (car mlist))
3857     (wl-summary-forward t)
3858     (setq start-point (point))
3859     (setq draft-buf (current-buffer))
3860     (setq mlist (cdr mlist))
3861     (save-window-excursion
3862       (when mlist
3863         (while mlist
3864           (set-buffer summary-buf)
3865           (wl-summary-jump-to-msg (car mlist))
3866           (wl-summary-redisplay)
3867           (set-buffer draft-buf)
3868           (goto-char (point-max))
3869           (wl-draft-insert-message)
3870           (setq mlist (cdr mlist)))
3871         (wl-draft-body-goto-top)
3872         (wl-draft-enclose-digest-region (point) (point-max)))
3873       (goto-char start-point)
3874       (save-excursion
3875         (set-buffer summary-buf)
3876         (wl-summary-delete-all-target-marks)))
3877     (run-hooks 'wl-mail-setup-hook)))
3878
3879 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3880   (interactive "P")
3881   (wl-summary-check-target-mark)
3882   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3883         (summary-buf (current-buffer))
3884         change-major-mode-hook
3885         start-point
3886         draft-buf)
3887     (wl-summary-jump-to-msg (car mlist))
3888     (when (wl-summary-reply arg t)
3889       (goto-char (point-max))
3890       (setq start-point (point-marker))
3891       (setq draft-buf (current-buffer))
3892       (save-window-excursion
3893         (while mlist
3894           (set-buffer summary-buf)
3895           (delete-other-windows)
3896           (wl-summary-jump-to-msg (car mlist))
3897           (wl-summary-redisplay)
3898           (set-buffer draft-buf)
3899           (goto-char (point-max))
3900           (wl-draft-yank-original)
3901           (setq mlist (cdr mlist)))
3902         (goto-char start-point)
3903         (save-excursion
3904           (set-buffer summary-buf)
3905           (wl-summary-delete-all-target-marks)))
3906       (wl-draft-reply-position wl-draft-reply-default-position)
3907       (run-hooks 'wl-mail-setup-hook))))
3908
3909 (defun wl-summary-reply-with-citation (&optional arg)
3910   (interactive "P")
3911   (when (wl-summary-reply arg t)
3912     (goto-char (point-max))
3913     (wl-draft-yank-original)
3914     (wl-draft-reply-position wl-draft-reply-default-position)
3915     (run-hooks 'wl-mail-setup-hook)))
3916
3917 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
3918   (interactive)
3919   (let* ((original (wl-summary-message-number))
3920          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3921          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
3922          msg otherfld schar
3923          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
3924     (if (setq msg (elmo-message-entity-number entity))
3925         (progn
3926           (wl-thread-jump-to-msg msg)
3927           t)
3928       ;; for XEmacs!
3929       (if (and elmo-use-database
3930                (setq errmsg
3931                      (format
3932                       "No message with id \"%s\" in the database." msgid))
3933                (setq otherfld (elmo-database-msgid-get msgid)))
3934           (if (cdr (wl-summary-jump-to-msg-internal
3935                     (car otherfld) (nth 1 otherfld) 'no-sync))
3936               t ; succeed.
3937             ;; Back to original.
3938             (wl-summary-jump-to-msg-internal
3939              (wl-summary-buffer-folder-name) original 'no-sync))
3940         (cond ((eq wl-summary-search-via-nntp 'confirm)
3941                (require 'elmo-nntp)
3942                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
3943                         elmo-nntp-default-server)
3944                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
3945                (cond ((eq schar ?y)
3946                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3947                      ((eq schar ?s)
3948                       (wl-summary-jump-to-msg-by-message-id-via-nntp
3949                        msgid
3950                        (read-from-minibuffer "NNTP Server: ")))
3951                      (t
3952                       (message "%s" errmsg)
3953                       nil)))
3954               ((or (eq wl-summary-search-via-nntp 'force)
3955                    (and
3956                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
3957                         'nntp)
3958                     wl-summary-search-via-nntp))
3959                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3960               (t
3961                (message "%s" errmsg)
3962                nil))))))
3963
3964 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
3965   (interactive)
3966   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3967          newsgroups folder ret
3968          user server port type spec)
3969     (if server-spec
3970         (if (string-match "^-" server-spec)
3971             (setq spec (wl-folder-get-elmo-folder server-spec)
3972                   user (elmo-net-folder-user-internal spec)
3973                   server (elmo-net-folder-server-internal spec)
3974                   port (elmo-net-folder-port-internal spec)
3975                   type (elmo-net-folder-stream-type-internal spec))
3976           (setq server server-spec)))
3977     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
3978                      msgid
3979                      (or server elmo-nntp-default-server)
3980                      (or user elmo-nntp-default-user)
3981                      (or port elmo-nntp-default-port)
3982                      (or type elmo-nntp-default-stream-type)))
3983       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
3984       (setq folder (concat "-" (car newsgroups)
3985                            (elmo-nntp-folder-postfix user server port type)))
3986       (catch 'found
3987         (while newsgroups
3988           (if (wl-folder-entity-exists-p (car newsgroups)
3989                                          wl-folder-newsgroups-hashtb)
3990               (throw 'found
3991                      (setq folder (concat "-" (car newsgroups)
3992                                           (elmo-nntp-folder-postfix
3993                                            user server port type)))))
3994           (setq newsgroups (cdr newsgroups)))))
3995     (if ret
3996         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
3997       (message "No message id \"%s\" in nntp server \"%s\"."
3998                msgid (or server elmo-nntp-default-server))
3999       nil)))
4000
4001 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4002   (let (wl-auto-select-first entity)
4003     (if (or (string= folder (wl-summary-buffer-folder-name))
4004             (y-or-n-p
4005              (format
4006               "Message was found in the folder \"%s\". Jump to it? "
4007               folder)))
4008         (progn
4009           (unwind-protect
4010               (wl-summary-goto-folder-subr
4011                folder scan-type nil nil t)
4012             (if msgid
4013                 (setq msg
4014                       (elmo-message-entity-number
4015                        (elmo-message-entity
4016                         wl-summary-buffer-elmo-folder
4017                         msgid))))
4018             (setq entity (wl-folder-search-entity-by-name folder
4019                                                           wl-folder-entity
4020                                                           'folder))
4021             (if entity
4022                 (wl-folder-set-current-entity-id
4023                  (wl-folder-get-entity-id entity))))
4024           (if (null msg)
4025               (message "Message was not found currently in this folder.")
4026             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4027           (cons folder msg)))))
4028
4029 (defun wl-summary-jump-to-parent-message (arg)
4030   (interactive "P")
4031   (let ((cur-buf (current-buffer))
4032         (disp-msg wl-summary-buffer-disp-msg)
4033         (number (wl-summary-message-number))
4034         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4035         (i -1) ;; xxx
4036         msg-id msg-num ref-list ref irt)
4037     (if (null number)
4038         (message "No message.")
4039       (when (eq wl-summary-buffer-view 'thread)
4040         (cond ((and arg (not (numberp arg)))
4041                (setq msg-num
4042                      (wl-thread-entity-get-number
4043                       (wl-thread-entity-get-top-entity
4044                        (wl-thread-get-entity number)))))
4045               ((and arg (numberp arg))
4046                (setq i 0)
4047                (setq msg-num number)
4048                (while (< i arg)
4049                  (setq msg-num
4050                        (wl-thread-entity-get-number
4051                         (wl-thread-entity-get-parent-entity
4052                          (wl-thread-get-entity msg-num))))
4053                  (setq i (1+ i))))
4054               (t (setq msg-num
4055                        (wl-thread-entity-get-number
4056                         (wl-thread-entity-get-parent-entity
4057                          (wl-thread-get-entity number)))))))
4058       (when (null msg-num)
4059         (wl-summary-set-message-buffer-or-redisplay)
4060         (set-buffer (wl-message-get-original-buffer))
4061         (message "Searching parent message...")
4062         (setq ref (std11-field-body "References")
4063               irt (std11-field-body "In-Reply-To"))
4064         (cond
4065          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4066                (string-match regexp ref))
4067           ;; The first message of the thread.
4068           (setq msg-id (wl-match-string 1 ref)))
4069          ;; "In-Reply-To:" has only one msg-id.
4070          ((and (null arg) irt (not (string= irt ""))
4071                (string-match regexp irt))
4072           (setq msg-id (wl-match-string 1 irt)))
4073          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4074                (string-match regexp ref))
4075           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4076           (while (string-match regexp ref)
4077             (setq ref-list
4078                   (append (list
4079                            (wl-match-string 1 ref))
4080                           ref-list))
4081             (setq ref (substring ref (match-end 0)))
4082             (setq i (1+ i)))
4083           (setq msg-id
4084                 (if (null arg) (nth 0 ref-list) ;; previous
4085                   (if (<= arg i) (nth (1- arg) ref-list)
4086                     (nth i ref-list))))))
4087         (set-buffer cur-buf)
4088         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4089       (cond ((and (null msg-id) (null msg-num))
4090              (message "No parent message!")
4091              nil)
4092             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4093              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4094              (message "Searching parent message...done")
4095              t)
4096             ((and msg-num (wl-summary-jump-to-msg msg-num))
4097              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4098              (message "Searching parent message...done")
4099              t)
4100             (t ; failed.
4101              (message "Parent message was not found.")
4102              nil)))))
4103
4104 (defun wl-summary-reply (&optional arg without-setup-hook)
4105   "Reply to current message. Default is \"wide\" reply.
4106 Reply to author if invoked with ARG."
4107   (interactive "P")
4108   (let ((folder wl-summary-buffer-elmo-folder)
4109         (number (wl-summary-message-number))
4110         (summary-buf (current-buffer))
4111         (winconf (current-window-configuration))
4112         mes-buf)
4113     (when number
4114       (save-excursion
4115         (wl-summary-set-message-buffer-or-redisplay))
4116       (setq mes-buf wl-message-buffer)
4117       (wl-message-select-buffer wl-message-buffer)
4118       (set-buffer mes-buf)
4119       (condition-case err
4120           (when (setq mes-buf (wl-message-get-original-buffer))
4121             (wl-draft-reply mes-buf arg summary-buf number)
4122             (wl-draft-reply-position wl-draft-reply-default-position)
4123             (unless without-setup-hook
4124               (run-hooks 'wl-mail-setup-hook)))
4125         (error (set-window-configuration winconf)
4126                (signal (car err)(cdr err))))
4127       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4128       t)))
4129
4130 (defun wl-summary-write ()
4131   "Write a new draft from Summary."
4132   (interactive)
4133   (wl-draft (list (cons 'To ""))
4134             nil nil nil nil (wl-summary-buffer-folder-name))
4135   (run-hooks 'wl-mail-setup-hook)
4136   (mail-position-on-field "To"))
4137
4138 (defvar wl-summary-write-current-folder-functions
4139   '(wl-folder-get-newsgroups
4140     wl-folder-guess-mailing-list-by-refile-rule
4141     wl-folder-guess-mailing-list-by-folder-name)
4142   "Newsgroups or Mailing List address guess functions list.
4143 Call from `wl-summary-write-current-folder'.
4144 When guess function return nil, challenge next guess-function.")
4145
4146 (defun wl-summary-write-current-folder (&optional folder)
4147   "Write message to current FOLDER's newsgroup or mailing-list.
4148 Use function list is `wl-summary-write-current-folder-functions'."
4149   (interactive)
4150   ;; default FOLDER is current buffer folder
4151   (setq folder (or folder (wl-summary-buffer-folder-name)))
4152   (let ((func-list wl-summary-write-current-folder-functions)
4153         guess-list guess-func)
4154     (while func-list
4155       (setq guess-list (funcall (car func-list) folder))
4156       (if (null guess-list)
4157           (setq func-list (cdr func-list))
4158         (setq guess-func (car func-list))
4159         (setq func-list nil)))
4160     (if (null guess-func)
4161         (wl-summary-write)
4162       (unless (or (stringp (nth 0 guess-list))
4163                   (stringp (nth 1 guess-list))
4164                   (stringp (nth 2 guess-list)))
4165         (error "Invalid value return guess function `%s'"
4166                (symbol-name guess-func)))
4167       (wl-draft (list (cons 'To (nth 0 guess-list))
4168                       (cons 'Cc (nth 1 guess-list))
4169                       (cons 'Newsgroups (nth 2 guess-list)))
4170                 nil nil nil nil folder)
4171       (run-hooks 'wl-mail-setup-hook)
4172       (mail-position-on-field "Subject"))))
4173
4174 (defun wl-summary-forward (&optional without-setup-hook)
4175   ""
4176   (interactive)
4177   (let ((folder wl-summary-buffer-elmo-folder)
4178         (number (wl-summary-message-number))
4179         (summary-buf (current-buffer))
4180         (wl-draft-forward t)
4181         mes-buf
4182         entity subject num)
4183     (if (null number)
4184         (message "No message.")
4185       (if (and (elmo-message-use-cache-p folder number)
4186                (eq (elmo-file-cache-status
4187                     (elmo-file-cache-get
4188                      (elmo-message-field folder number 'message-id)))
4189                    'section))
4190           ;; Reload.
4191           (wl-summary-redisplay-internal nil nil 'force-reload)
4192         (wl-summary-redisplay-internal folder number))
4193       (setq mes-buf wl-message-buffer)
4194       (wl-message-select-buffer mes-buf)
4195       ;; get original subject.
4196       (if summary-buf
4197           (save-excursion
4198             (set-buffer summary-buf)
4199             (setq subject
4200                   (or (elmo-message-entity-field
4201                        (elmo-message-entity folder number) 'subject 'decode)
4202                       ""))))
4203       (set-buffer mes-buf)
4204       (wl-draft-forward subject summary-buf number)
4205       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4206       (unless without-setup-hook
4207         (run-hooks 'wl-mail-setup-hook)))))
4208
4209 (defun wl-summary-click (e)
4210   (interactive "e")
4211   (mouse-set-point e)
4212   (wl-summary-read))
4213
4214 (defun wl-summary-read ()
4215   "Proceed reading message in the summary buffer."
4216   (interactive)
4217   (let ((cur-buf (current-buffer)))
4218     (wl-summary-toggle-disp-msg 'on)
4219     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4220       (set-buffer cur-buf)
4221       (if (wl-message-next-page)
4222           (wl-summary-down t)))))
4223
4224 (defsubst wl-summary-cursor-move-surface (downward interactive)
4225   (if wl-summary-move-direction-toggle
4226       (setq wl-summary-move-direction-downward downward))
4227   (let ((start (point))
4228         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4229         (skip t)
4230         (column (current-column))
4231         goto-next next-entity finfo)
4232     (beginning-of-line)
4233     (while (and skip
4234                 (not (if downward (eobp) (bobp))))
4235       (if downward
4236           (forward-line 1)
4237         (forward-line -1))
4238       (setq skip (or (string-match skip-tmark-regexp
4239                                    (wl-summary-temp-mark))
4240                      (not (and (wl-summary-message-number)
4241                                (elmo-message-accessible-p
4242                                 wl-summary-buffer-elmo-folder
4243                                 (wl-summary-message-number)))))))
4244     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4245     (if (or (eobp) (and (bobp) skip))
4246         (goto-char start))
4247     (move-to-column column)
4248
4249     (if (not goto-next)
4250         (if wl-summary-buffer-disp-msg
4251             (wl-summary-redisplay))
4252       (if interactive
4253           (cond
4254            ((and (not downward) wl-summary-buffer-prev-folder-function)
4255             (funcall wl-summary-buffer-prev-folder-function))
4256            ((and downward wl-summary-buffer-next-folder-function)
4257             (funcall wl-summary-buffer-next-folder-function))
4258            (t
4259             (when wl-auto-select-next
4260               (setq next-entity
4261                     (if downward
4262                         (wl-summary-get-next-folder)
4263                       (wl-summary-get-prev-folder)))
4264               (if next-entity
4265                   (setq finfo (wl-folder-get-entity-info next-entity))))
4266             (wl-ask-folder
4267              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4268              (format
4269               "No more messages. Type SPC to go to %s."
4270               (wl-summary-entity-info-msg next-entity finfo)))))))))
4271
4272 (defun wl-summary-prev (&optional interactive)
4273   (interactive)
4274   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4275
4276 (defun wl-summary-next (&optional interactive)
4277   (interactive)
4278   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4279
4280 (defun wl-summary-up (&optional interactive skip-no-unread)
4281   ""
4282   (interactive)
4283   (if wl-summary-move-direction-toggle
4284       (setq wl-summary-move-direction-downward nil))
4285   (if (wl-summary-cursor-up)
4286       (if wl-summary-buffer-disp-msg
4287           (wl-summary-redisplay))
4288     (if (or interactive
4289             (interactive-p))
4290         (if wl-summary-buffer-prev-folder-function
4291             (funcall wl-summary-buffer-prev-folder-function)
4292           (let (next-entity finfo)
4293             (when wl-auto-select-next
4294               (progn
4295                 (setq next-entity (wl-summary-get-prev-unread-folder))
4296                 (if next-entity
4297                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4298             (if (and skip-no-unread
4299                      (eq wl-auto-select-next 'skip-no-unread))
4300                 (wl-summary-next-folder-or-exit next-entity t)
4301               (wl-ask-folder
4302                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4303                (format
4304                 "No more unread messages. Type SPC to go to %s."
4305                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4306
4307 (defun wl-summary-get-prev-folder ()
4308   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4309         last-entity cur-id)
4310     (when folder-buf
4311       (setq cur-id (save-excursion (set-buffer folder-buf)
4312                                    wl-folder-buffer-cur-entity-id))
4313       (wl-folder-get-prev-folder cur-id))))
4314
4315 (defun wl-summary-get-next-folder ()
4316   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4317         cur-id)
4318     (when folder-buf
4319       (setq cur-id (save-excursion (set-buffer folder-buf)
4320                                    wl-folder-buffer-cur-entity-id))
4321       (wl-folder-get-next-folder cur-id))))
4322
4323 (defun wl-summary-get-next-unread-folder ()
4324   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4325         cur-id)
4326     (when folder-buf
4327       (setq cur-id (save-excursion (set-buffer folder-buf)
4328                                    wl-folder-buffer-cur-entity-id))
4329       (wl-folder-get-next-folder cur-id 'unread))))
4330
4331 (defun wl-summary-get-prev-unread-folder ()
4332   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4333         cur-id)
4334     (when folder-buf
4335       (setq cur-id (save-excursion (set-buffer folder-buf)
4336                                    wl-folder-buffer-cur-entity-id))
4337       (wl-folder-get-prev-folder cur-id 'unread))))
4338
4339 (defun wl-summary-down (&optional interactive skip-no-unread)
4340   (interactive)
4341   (if wl-summary-move-direction-toggle
4342       (setq wl-summary-move-direction-downward t))
4343   (if (wl-summary-cursor-down)
4344       (if wl-summary-buffer-disp-msg
4345           (wl-summary-redisplay))
4346     (if (or interactive
4347             (interactive-p))
4348         (if wl-summary-buffer-next-folder-function
4349             (funcall wl-summary-buffer-next-folder-function)
4350           (let (next-entity finfo)
4351             (when wl-auto-select-next
4352               (setq next-entity (wl-summary-get-next-unread-folder)))
4353             (if next-entity
4354                 (setq finfo (wl-folder-get-entity-info next-entity)))
4355             (if (and skip-no-unread
4356                      (eq wl-auto-select-next 'skip-no-unread))
4357                 (wl-summary-next-folder-or-exit next-entity)
4358               (wl-ask-folder
4359                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4360                (format
4361                 "No more unread messages. Type SPC to go to %s."
4362                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4363
4364 (defun wl-summary-goto-last-displayed-msg ()
4365   (interactive)
4366   (unless wl-summary-buffer-last-displayed-msg
4367     (setq wl-summary-buffer-last-displayed-msg
4368           wl-summary-buffer-current-msg))
4369   (if wl-summary-buffer-last-displayed-msg
4370       (progn
4371         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4372         (if wl-summary-buffer-disp-msg
4373             (wl-summary-redisplay)))
4374     (message "No last message.")))
4375
4376 (defun wl-summary-toggle-mime (&optional arg)
4377   "Toggle MIME decoding.
4378 If ARG is non-nil, ask coding-system to display the message in the current
4379 MIME analysis mode.
4380
4381 If ARG is numeric number, decode message as following:
4382 1: Enable MIME analysis.
4383 2: Enable MIME analysis only for headers.
4384 3: Disable MIME analysis."
4385   (interactive "P")
4386   (let ((rest (memq wl-summary-buffer-display-mime-mode
4387                     wl-summary-display-mime-mode-list))
4388         (elmo-mime-display-as-is-coding-system
4389          elmo-mime-display-as-is-coding-system))
4390     (if (numberp arg)
4391         (setq wl-summary-buffer-display-mime-mode
4392               (case arg
4393                 (1 'mime)
4394                 (2 'header-only)
4395                 (3 'as-is)))
4396       (if arg
4397           ;; Specify coding-system (doesn't change the MIME mode).
4398           (setq elmo-mime-display-as-is-coding-system
4399                 (if (and arg (not (eq wl-summary-buffer-display-mime-mode
4400                                       'mime)))
4401                     (or (read-coding-system "Coding system: ")
4402                         elmo-mime-display-as-is-coding-system)
4403                   elmo-mime-display-as-is-coding-system))
4404         ;; Change the MIME mode.
4405         (if (cadr rest)
4406             (setq wl-summary-buffer-display-mime-mode (cadr rest))
4407           (setq wl-summary-buffer-display-mime-mode
4408                 (car wl-summary-display-mime-mode-list)))))
4409     (wl-summary-redisplay arg)
4410     (wl-summary-update-modeline)
4411     (message "MIME decoding: %s%s"
4412              (upcase (symbol-name wl-summary-buffer-display-mime-mode))
4413              (if (and arg
4414                       (not (numberp arg))
4415                       (not (eq wl-summary-buffer-display-mime-mode
4416                                'mime)))
4417                  (concat " ("
4418                          (symbol-name elmo-mime-display-as-is-coding-system)
4419                          ")")
4420                ""))))
4421
4422 (defun wl-summary-redisplay (&optional arg)
4423   "Redisplay message."
4424   (interactive "P")
4425   (wl-summary-redisplay-internal nil nil arg))
4426
4427 (defun wl-summary-toggle-all-header (&optional arg)
4428   "Toggle displaying message with all header."
4429   (interactive "P")
4430   (setq wl-summary-buffer-display-all-header
4431         (not wl-summary-buffer-display-all-header))
4432   (wl-summary-redisplay-internal nil nil arg))
4433
4434 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4435                                                 mode all-header)
4436   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4437          (mode (or mode wl-summary-buffer-display-mime-mode))
4438          (all-header (or all-header wl-summary-buffer-display-all-header))
4439          (num (or number (wl-summary-message-number)))
4440          (wl-mime-charset      wl-summary-buffer-mime-charset)
4441          (default-mime-charset wl-summary-buffer-mime-charset)
4442          no-folder-mark fld-buf fld-win thr-entity
4443          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4444                                          (and force-reload
4445                                               elmo-message-fetch-threshold))))
4446     (if (and wl-thread-open-reading-thread
4447              (eq wl-summary-buffer-view 'thread)
4448              (not (wl-thread-entity-get-opened
4449                    (setq thr-entity (wl-thread-get-entity
4450                                      num))))
4451              (wl-thread-entity-get-children thr-entity))
4452         (wl-thread-force-open))
4453     (if num
4454         (progn
4455           (setq wl-summary-buffer-disp-msg t)
4456           (setq wl-summary-buffer-last-displayed-msg
4457                 wl-summary-buffer-current-msg)
4458           ;; hide folder window
4459           (if (and (not wl-stay-folder-window)
4460                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4461               (if (setq fld-win (get-buffer-window fld-buf))
4462                   (delete-window fld-win)))
4463           (setq wl-current-summary-buffer (current-buffer))
4464           (setq no-folder-mark
4465                 ;; If cache is used, change folder-mark.
4466                 (if (wl-message-redisplay folder num
4467                                           mode all-header
4468                                           (or
4469                                            force-reload
4470                                            (string= (elmo-folder-name-internal
4471                                                      folder)
4472                                                     wl-draft-folder)))
4473                     nil
4474                   ;; plugged, then leave folder-mark.
4475                   (if (and (not (elmo-folder-local-p
4476                                  wl-summary-buffer-elmo-folder))
4477                            (elmo-folder-plugged-p
4478                             wl-summary-buffer-elmo-folder))
4479                       'leave)))
4480           (when (elmo-message-use-cache-p folder num)
4481             (elmo-message-set-cached folder num t))
4482           (ignore-errors
4483             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4484                                         num
4485                                         'unread)
4486                 (wl-summary-mark-as-read num no-folder-mark)
4487               (wl-summary-update-persistent-mark)))
4488           (setq wl-summary-buffer-current-msg num)
4489           (when wl-summary-recenter
4490             (recenter (/ (- (window-height) 2) 2))
4491             (if (not wl-summary-indent-length-limit)
4492                 (wl-horizontal-recenter)))
4493           (wl-highlight-summary-displaying)
4494           (wl-message-buffer-prefetch-next folder num
4495                                            wl-message-buffer-prefetch-depth
4496                                            (current-buffer)
4497                                            wl-summary-buffer-mime-charset)
4498           (run-hooks 'wl-summary-redisplay-hook))
4499       (message "No message to display."))))
4500
4501 (defun wl-summary-jump-to-current-message ()
4502   "Jump into Message buffer."
4503   (interactive)
4504   (let (message-buf message-win)
4505     (if (setq message-buf wl-message-buffer)
4506         (if (setq message-win (get-buffer-window message-buf))
4507             (select-window message-win)
4508           (wl-message-select-buffer wl-message-buffer))
4509       (wl-summary-redisplay)
4510       (wl-message-select-buffer wl-message-buffer))))
4511
4512 (defun wl-summary-cancel-message ()
4513   "Cancel an article on news."
4514   (interactive)
4515   (if (null (wl-summary-message-number))
4516       (message "No message.")
4517     (let ((summary-buf (current-buffer))
4518           message-buf)
4519       (wl-summary-set-message-buffer-or-redisplay)
4520       (if (setq message-buf (wl-message-get-original-buffer))
4521           (set-buffer message-buf))
4522       (unless (wl-message-news-p)
4523         (set-buffer summary-buf)
4524         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4525                      'nntp)
4526                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4527             (progn
4528               (wl-summary-redisplay t)
4529               (wl-summary-supersedes-message))
4530           (error "This is not a news article; supersedes is impossible")))
4531       (when (yes-or-no-p "Do you really want to cancel this article? ")
4532         (let (from newsgroups message-id distribution buf)
4533           (save-excursion
4534             (setq from (std11-field-body "from")
4535                   newsgroups (std11-field-body "newsgroups")
4536                   message-id (std11-field-body "message-id")
4537                   distribution (std11-field-body "distribution"))
4538             ;; Make sure that this article was written by the user.
4539             (unless (wl-address-user-mail-address-p
4540                      (wl-address-header-extract-address
4541                       (car (wl-parse-addresses from))))
4542               (error "This article is not yours"))
4543             ;; Make control message.
4544             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4545             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4546             (buffer-disable-undo (current-buffer))
4547             (erase-buffer)
4548             (insert "Newsgroups: " newsgroups "\n"
4549                     "From: " (wl-address-header-extract-address
4550                               wl-from) "\n"
4551                               "Subject: cmsg cancel " message-id "\n"
4552                               "Control: cancel " message-id "\n"
4553                               (if distribution
4554                                   (concat "Distribution: " distribution "\n")
4555                                 "")
4556                               mail-header-separator "\n"
4557                               wl-summary-cancel-message)
4558             (message "Canceling your message...")
4559             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4560             (message "Canceling your message...done")))))))
4561
4562 (defun wl-summary-supersedes-message ()
4563   "Supersede current message."
4564   (interactive)
4565   (wl-summary-toggle-disp-msg 'off)
4566   (let ((summary-buf (current-buffer))
4567         message-buf from)
4568     (wl-summary-set-message-buffer-or-redisplay)
4569     (if (setq message-buf (wl-message-get-original-buffer))
4570         (set-buffer message-buf))
4571     (unless (wl-message-news-p)
4572       (set-buffer summary-buf)
4573       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4574                    'nntp)
4575                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4576           (progn
4577             (wl-summary-redisplay t)
4578             (wl-summary-supersedes-message))
4579         (error "This is not a news article; supersedes is impossible")))
4580     (save-excursion
4581       (setq from (std11-field-body "from"))
4582       ;; Make sure that this article was written by the user.
4583       (unless (wl-address-user-mail-address-p
4584                (wl-address-header-extract-address
4585                 (car (wl-parse-addresses from))))
4586         (error "This article is not yours"))
4587       (let* ((message-id (std11-field-body "message-id"))
4588              (followup-to (std11-field-body "followup-to"))
4589              (mail-default-headers
4590               (concat mail-default-headers
4591                       "Supersedes: " message-id "\n"
4592                       (and followup-to
4593                            (concat "Followup-To: " followup-to "\n")))))
4594         (if message-buf (set-buffer message-buf))
4595         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4596
4597 (defun wl-summary-save (&optional arg wl-save-dir)
4598   "Save current message to disk."
4599   (interactive)
4600   (let ((filename)
4601         (num (wl-summary-message-number)))
4602     (if (null wl-save-dir)
4603         (setq wl-save-dir wl-temporary-file-directory))
4604     (if num
4605         (save-excursion
4606           (setq filename (expand-file-name
4607                           (concat (int-to-string num)
4608                                   wl-summary-save-file-suffix)
4609                           wl-save-dir))
4610           (if (null (and arg
4611                          (null (file-exists-p filename))))
4612               (setq filename
4613                     (read-file-name "Save to file: " filename)))
4614
4615           (wl-summary-set-message-buffer-or-redisplay)
4616           (set-buffer (wl-message-get-original-buffer))
4617           (if (and (null arg) (file-exists-p filename))
4618               (if (y-or-n-p "File already exists.  override it? ")
4619                   (write-region (point-min) (point-max) filename))
4620             (write-region (point-min) (point-max) filename)))
4621       (message "No message to save."))
4622     num))
4623
4624 (defun wl-summary-save-region (beg end)
4625   (interactive "r")
4626   (save-excursion
4627     (save-restriction
4628       (wl-summary-narrow-to-region beg end)
4629       (goto-char (point-min))
4630       (let ((wl-save-dir
4631              (wl-read-directory-name "Save to directory: "
4632                                      wl-temporary-file-directory)))
4633         (if (null (file-exists-p wl-save-dir))
4634             (make-directory wl-save-dir))
4635         (if (eq wl-summary-buffer-view 'thread)
4636             (progn
4637               (while (not (eobp))
4638                 (let* ((number (wl-summary-message-number))
4639                        (entity (wl-thread-get-entity number)))
4640                   (if (wl-thread-entity-get-opened entity)
4641                       (wl-summary-save t wl-save-dir)
4642                     ;; closed
4643                     (wl-summary-save t wl-save-dir))
4644                   (forward-line 1))))
4645           (while (not (eobp))
4646             (wl-summary-save t wl-save-dir)
4647             (forward-line 1)))))))
4648
4649 ;; mew-summary-pipe-message()
4650 (defun wl-summary-pipe-message (prefix command)
4651   "Send this message via pipe."
4652   (interactive (list current-prefix-arg nil))
4653   (if (null (wl-summary-message-number))
4654       (message "No message.")
4655     (setq command (read-string "Shell command on message: "
4656                                wl-summary-shell-command-last))
4657     (if (y-or-n-p "Send this message to pipe? ")
4658         (wl-summary-pipe-message-subr prefix command))))
4659
4660 (defun wl-summary-target-mark-pipe (prefix command)
4661   "Send each marked messages via pipe."
4662   (interactive (list current-prefix-arg nil))
4663   (if (null wl-summary-buffer-target-mark-list)
4664       (message "No marked message.")
4665     (setq command (read-string "Shell command on each marked message: "
4666                                wl-summary-shell-command-last))
4667     (when (y-or-n-p "Send each marked message to pipe? ")
4668       (while (car wl-summary-buffer-target-mark-list)
4669         (let ((num (car wl-summary-buffer-target-mark-list)))
4670           (wl-thread-jump-to-msg num)
4671           (wl-summary-pipe-message-subr prefix command)
4672           (wl-summary-unmark))))))
4673
4674 (defun wl-summary-pipe-message-subr (prefix command)
4675   (save-excursion
4676     (wl-summary-set-message-buffer-or-redisplay)
4677     (set-buffer (wl-message-get-original-buffer))
4678     (if (string= command "")
4679         (setq command wl-summary-shell-command-last))
4680     (goto-char (point-min)) ; perhaps this line won't be necessary
4681     (if prefix
4682         (search-forward "\n\n"))
4683     (shell-command-on-region (point) (point-max) command nil)
4684     (setq wl-summary-shell-command-last command)))
4685
4686 (defun wl-summary-print-message (&optional arg)
4687   (interactive "P")
4688   (if (null (wl-summary-message-number))
4689       (message "No message.")
4690     (save-excursion
4691       (wl-summary-set-message-buffer-or-redisplay)
4692       (if (or (not (interactive-p))
4693               (y-or-n-p "Print ok? "))
4694           (progn
4695             (let ((buffer (generate-new-buffer " *print*")))
4696               (copy-to-buffer buffer (point-min) (point-max))
4697               (set-buffer buffer)
4698               (funcall wl-print-buffer-function)
4699               (kill-buffer buffer)))
4700         (message "")))))
4701
4702 (defun wl-summary-print-message-with-ps-print (&optional filename)
4703   "Print message via ps-print."
4704   (interactive)
4705   (if (null (wl-summary-message-number))
4706       (message "No message.")
4707     (setq filename (ps-print-preprint current-prefix-arg))
4708     (if (or (not (interactive-p))
4709             (y-or-n-p "Print ok? "))
4710         (let ((summary-buffer (current-buffer))
4711               wl-break-pages)
4712           (save-excursion
4713             (wl-summary-set-message-buffer-or-redisplay)
4714             (let* ((buffer (generate-new-buffer " *print*"))
4715                    (entity (progn
4716                              (set-buffer summary-buffer)
4717                              (elmo-message-entity
4718                               wl-summary-buffer-elmo-folder
4719                               (wl-summary-message-number))))
4720                    (wl-ps-subject
4721                     (and entity
4722                          (or (elmo-message-entity-field entity 'subject t)
4723                              "")))
4724                    (wl-ps-from
4725                     (and entity
4726                          (or (elmo-message-entity-field entity 'from t) "")))
4727                    (wl-ps-date
4728                     (and entity
4729                          (or (elmo-message-entity-field entity 'date) ""))))
4730               (run-hooks 'wl-ps-preprint-hook)
4731               (set-buffer wl-message-buffer)
4732               (copy-to-buffer buffer (point-min) (point-max))
4733               (set-buffer buffer)
4734               (unwind-protect
4735                   (let ((ps-left-header
4736                          (list (concat "(" wl-ps-subject ")")
4737                                (concat "(" wl-ps-from ")")))
4738                         (ps-right-header
4739                          (list "/pagenumberstring load"
4740                                (concat "(" wl-ps-date ")"))))
4741                     (run-hooks 'wl-ps-print-hook)
4742                     (funcall wl-ps-print-buffer-function filename))
4743                 (kill-buffer buffer)))))
4744       (message ""))))
4745
4746 (if (featurep 'ps-print) ; ps-print is available.
4747     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4748
4749 (defun wl-summary-target-mark-print ()
4750   (interactive)
4751   (wl-summary-check-target-mark)
4752   (when (y-or-n-p "Print all marked messages. OK? ")
4753     (while (car wl-summary-buffer-target-mark-list)
4754       (let ((num (car wl-summary-buffer-target-mark-list)))
4755         (wl-thread-jump-to-msg num)
4756         (wl-summary-print-message)
4757         (wl-summary-unmark)))))
4758
4759 (defun wl-summary-folder-info-update ()
4760   (wl-folder-set-folder-updated
4761    (elmo-string (wl-summary-buffer-folder-name))
4762    (list 0
4763          wl-summary-buffer-unread-count
4764          (elmo-folder-length
4765           wl-summary-buffer-elmo-folder))))
4766
4767 (defun wl-summary-get-original-buffer ()
4768   "Get original buffer for the current summary."
4769   (save-excursion
4770     (wl-summary-set-message-buffer-or-redisplay)
4771     (wl-message-get-original-buffer)))
4772
4773 (defun wl-summary-pack-number (&optional arg)
4774   (interactive "P")
4775   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4776   (let (wl-use-scoring)
4777     (wl-summary-rescan nil nil nil t)))
4778
4779 (defun wl-summary-target-mark-uudecode ()
4780   (interactive)
4781   (wl-summary-check-target-mark)
4782   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4783         (summary-buf (current-buffer))
4784         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4785         orig-buf i k filename rc errmsg)
4786     (setq i 1)
4787     (setq k (length mlist))
4788     (set-buffer tmp-buf)
4789     (erase-buffer)
4790     (save-window-excursion
4791       (while mlist
4792         (set-buffer summary-buf)
4793         (wl-summary-jump-to-msg (car mlist))
4794         (wl-summary-redisplay)
4795         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4796         (goto-char (point-min))
4797         (cond ((= i 1) ; first
4798                (if (setq filename (wl-message-uu-substring
4799                                    orig-buf tmp-buf t
4800                                    (= i k)))
4801                    nil
4802                  (error "Can't find begin line")))
4803               ((< i k)
4804                (wl-message-uu-substring orig-buf tmp-buf))
4805               (t ; last
4806                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4807         (setq i (1+ i))
4808         (setq mlist (cdr mlist)))
4809       (set-buffer tmp-buf)
4810       (message "Exec %s..." wl-prog-uudecode)
4811       (unwind-protect
4812           (let ((decode-dir wl-temporary-file-directory))
4813             (if (not wl-prog-uudecode-no-stdout-option)
4814                 (setq filename (read-file-name "Save to file: "
4815                                                (expand-file-name
4816                                                 (elmo-safe-filename filename)
4817                                                 wl-temporary-file-directory)))
4818               (setq decode-dir
4819                     (wl-read-directory-name "Save to directory: "
4820                                             wl-temporary-file-directory))
4821               (setq filename (expand-file-name filename decode-dir)))
4822             (if (file-exists-p filename)
4823                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4824                                          filename))
4825                     (error "")))
4826             (elmo-bind-directory
4827              decode-dir
4828              (setq rc
4829                    (as-binary-process
4830                     (apply 'call-process-region (point-min) (point-max)
4831                            wl-prog-uudecode t (current-buffer) nil
4832                            wl-prog-uudecode-arg))))
4833             (when (not (= 0 rc))
4834               (setq errmsg (buffer-substring (point-min)(point-max)))
4835               (error "Uudecode error: %s" errmsg))
4836             (if (not wl-prog-uudecode-no-stdout-option)
4837                 (let (file-name-handler-alist) ;; void jka-compr
4838                   (as-binary-output-file
4839                    (write-region (point-min) (point-max)
4840                                  filename nil 'no-msg))))
4841             (save-excursion
4842               (set-buffer summary-buf)
4843               (wl-summary-delete-all-target-marks))
4844             (if (file-exists-p filename)
4845                 (message "Saved as %s" filename)))
4846         (kill-buffer tmp-buf)))))
4847
4848 ;; Someday
4849 ;; (defun wl-summary-drop-unsync ()
4850 ;;   "Drop all unsync messages."
4851 ;;   (interactive)
4852 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4853 ;;       (error "You cannot drop unsync messages in this folder"))
4854 ;;   (if (or (not (interactive-p))
4855 ;;        (y-or-n-p "Drop all unsync messages? "))
4856 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4857 ;;                         (wl-summary-buffer-folder-name)))
4858 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4859 ;;           (sum 0)
4860 ;;           (multi-num 0)
4861 ;;           pair)
4862 ;;      (message "Dropping...")
4863 ;;      (while folder-list
4864 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4865 ;;        (when is-multi ;; dirty hack...
4866 ;;          (incf multi-num)
4867 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4868 ;;                          (car pair))))
4869 ;;        (elmo-msgdb-set-number-alist
4870 ;;         (wl-summary-buffer-msgdb)
4871 ;;         (nconc
4872 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4873 ;;          (list (cons (car pair) nil))))
4874 ;;        (setq sum (+ sum (cdr pair)))
4875 ;;        (setq folder-list (cdr folder-list)))
4876 ;;      (wl-summary-set-message-modified)
4877 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
4878 ;;                                    (list 0
4879 ;;                                          (+ wl-summary-buffer-unread-count
4880 ;;                                             wl-summary-buffer-new-count)
4881 ;;                                          sum))
4882 ;;      (message "Dropping...done"))))
4883
4884 (defun wl-summary-default-get-next-msg (msg)
4885   (or (wl-summary-next-message msg
4886                                (if wl-summary-move-direction-downward 'down
4887                                  'up)
4888                                nil)
4889       (cadr (memq msg (if wl-summary-move-direction-downward
4890                           wl-summary-buffer-number-list
4891                         (reverse wl-summary-buffer-number-list))))))
4892
4893 (defun wl-summary-save-current-message ()
4894   "Save current message for `wl-summary-yank-saved-message'."
4895   (interactive)
4896   (let ((number (wl-summary-message-number)))
4897     (setq wl-summary-buffer-saved-message number)
4898     (and number (message "No: %s is saved." number))))
4899
4900 (defun wl-summary-yank-saved-message ()
4901   "Set current message as a parent of the saved message."
4902   (interactive)
4903   (if wl-summary-buffer-saved-message
4904       (let ((number (wl-summary-message-number)))
4905         (if (eq wl-summary-buffer-saved-message number)
4906             (message "Cannot set itself as a parent.")
4907           (save-excursion
4908             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
4909             (wl-thread-set-parent number)
4910             (wl-summary-set-thread-modified))
4911           (setq  wl-summary-buffer-saved-message nil)))
4912     (message "There's no saved message.")))
4913
4914 (defun wl-summary-toggle-header-narrowing ()
4915   "Toggle message header narrowing."
4916   (interactive)
4917   (when wl-message-use-header-narrowing
4918     (save-selected-window
4919       (let* ((mbuf wl-message-buffer)
4920              (mwin (when mbuf (get-buffer-window mbuf)))
4921              (wpos (when mwin (window-start mwin))))
4922         (when mbuf
4923           (set-buffer mbuf)
4924           (wl-message-header-narrowing-toggle)
4925           (and wpos (set-window-start mwin wpos)))))))
4926
4927 (require 'product)
4928 (product-provide (provide 'wl-summary) (require 'wl-version))
4929
4930 ;;; wl-summary.el ends here