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
  64 (defvar wl-summary-buffer-name "Summary")
  65 (defvar wl-summary-mode-map nil)
  66 (defvar wl-current-summary-buffer nil)
  67
  68 (defvar wl-summary-buffer-elmo-folder nil)
  69
  70 (defmacro wl-summary-buffer-folder-name ()
  71   (` (and wl-summary-buffer-elmo-folder
  72           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  73
  74 (defmacro wl-summary-buffer-msgdb ()
  75   (` (and wl-summary-buffer-elmo-folder
  76           (elmo-folder-msgdb wl-summary-buffer-elmo-folder))))
  77
  78 (defvar wl-summary-buffer-disp-msg    nil)
  79 (defvar wl-summary-buffer-disp-folder nil)
  80 (defvar wl-summary-buffer-refile-list nil)
  81 (defvar wl-summary-buffer-delete-list nil)
  82 (defvar wl-summary-buffer-last-displayed-msg nil)
  83 (defvar wl-summary-buffer-current-msg nil)
  84 (defvar wl-summary-buffer-unread-count 0)
  85 (defvar wl-summary-buffer-new-count    0)
  86 (defvar wl-summary-buffer-mime-charset  nil)
  87 (defvar wl-summary-buffer-weekday-name-lang  nil)
  88 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  89 (defvar wl-summary-buffer-view nil)
  90 (defvar wl-summary-buffer-message-modified nil)
  91 (defvar wl-summary-buffer-mark-modified nil)
  92 (defvar wl-summary-buffer-thread-modified nil)
  93
  94 (defvar wl-summary-buffer-number-column nil)
  95 (defvar wl-summary-buffer-temp-mark-column nil)
  96 (defvar wl-summary-buffer-persistent-mark-column nil)
  97
  98 (defvar wl-summary-buffer-persistent nil)
  99 (defvar wl-summary-buffer-thread-nodes nil)
 100 (defvar wl-summary-buffer-target-mark-list nil)
 101 (defvar wl-summary-buffer-copy-list nil)
 102 (defvar wl-summary-buffer-prev-refile-destination nil)
 103 (defvar wl-summary-buffer-prev-copy-destination nil)
 104 (defvar wl-summary-buffer-saved-message nil)
 105 (defvar wl-summary-buffer-prev-folder-function nil)
 106 (defvar wl-summary-buffer-next-folder-function nil)
 107 (defvar wl-summary-buffer-exit-function nil)
 108 (defvar wl-summary-buffer-next-message-function nil)
 109 (defvar wl-summary-buffer-number-list nil)
 110 (defvar wl-summary-buffer-msgdb nil)
 111 (defvar wl-summary-buffer-folder-name nil)
 112 (defvar wl-summary-buffer-line-formatter nil)
 113 (defvar wl-summary-buffer-line-format nil)
 114 (defvar wl-summary-buffer-mode-line-formatter nil)
 115 (defvar wl-summary-buffer-mode-line nil)
 116
 117 (defvar wl-thread-indent-level-internal nil)
 118 (defvar wl-thread-have-younger-brother-str-internal nil)
 119 (defvar wl-thread-youngest-child-str-internal nil)
 120 (defvar wl-thread-vertical-str-internal nil)
 121 (defvar wl-thread-horizontal-str-internal nil)
 122 (defvar wl-thread-space-str-internal nil)
 123 (defvar wl-summary-last-visited-folder nil)
 124 (defvar wl-read-folder-hist nil)
 125 (defvar wl-summary-scored nil)
 126 (defvar wl-crosspost-alist-modified nil)
 127 (defvar wl-summary-alike-hashtb nil)
 128 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 129 (defvar wl-summary-delayed-update nil)
 130 (defvar wl-summary-search-buf-folder-name nil)
 131
 132 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 133
 134 (defvar wl-summary-shell-command-last "")
 135
 136 (defvar wl-ps-preprint-hook nil)
 137 (defvar wl-ps-print-hook nil)
 138
 139 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 140 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 141 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 142 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 143 (make-variable-buffer-local 'wl-summary-buffer-refile-list)
 144 (make-variable-buffer-local 'wl-summary-buffer-copy-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 146 (make-variable-buffer-local 'wl-summary-buffer-delete-list)
 147 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 148 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-new-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-mark-modified)
 156 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 157 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 159 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 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-number-list)
 182 (make-variable-buffer-local 'wl-summary-buffer-msgdb)
 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
 189 (defvar wl-datevec)
 190 (defvar wl-thr-indent-string)
 191 (defvar wl-thr-children-number)
 192 (defvar wl-thr-linked)
 193 (defvar wl-message-entity)
 194 (defvar wl-parent-message-entity)
 195 (defvar wl-temp-mark)
 196 (defvar wl-persistent-mark)
 197
 198 ;; internal functions (dummy)
 199 (unless (fboundp 'wl-summary-append-message-func-internal)
 200   (defun wl-summary-append-message-func-internal (entity msgdb update
 201                                                          &optional force-insert)))
 202
 203 (defmacro wl-summary-sticky-buffer-name (name)
 204   (` (concat wl-summary-buffer-name ":" (, name))))
 205
 206 (defun wl-summary-default-subject (subject-string)
 207   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 208       (substring subject-string (match-end 0))
 209     subject-string))
 210
 211 (defun wl-summary-default-from (from)
 212   "Instance of `wl-summary-from-function'.
 213 Ordinarily returns the sender name. Returns recipient names if (1)
 214 summary's folder name matches with `wl-summary-showto-folder-regexp'
 215 and (2) sender address is yours.
 216
 217 See also variable `wl-use-petname'."
 218   (let (retval tos ng)
 219     (unless
 220         (and (eq major-mode 'wl-summary-mode)
 221              (stringp wl-summary-showto-folder-regexp)
 222              (string-match wl-summary-showto-folder-regexp
 223                            (wl-summary-buffer-folder-name))
 224              (wl-address-user-mail-address-p from)
 225              (cond
 226               ((and (setq tos (elmo-msgdb-overview-entity-get-to
 227                                wl-message-entity))
 228                     (not (string= "" tos)))
 229                (setq retval
 230                      (concat "To:"
 231                              (mapconcat
 232                               (function
 233                                (lambda (to)
 234                                  (eword-decode-string
 235                                   (if wl-use-petname
 236                                       (or
 237                                        (funcall
 238                                         wl-summary-get-petname-function to)
 239                                        (car
 240                                         (std11-extract-address-components to))
 241                                        to)
 242                                     to))))
 243                               (wl-parse-addresses tos)
 244                               ","))))
 245               ((setq ng (elmo-msgdb-overview-entity-get-extra-field
 246                          wl-message-entity "newsgroups"))
 247                (setq retval (concat "Ng:" ng)))))
 248       (if wl-use-petname
 249           (setq retval (or (funcall wl-summary-get-petname-function from)
 250                            (car (std11-extract-address-components from))
 251                            from))
 252         (setq retval from)))
 253     retval))
 254
 255 (defun wl-summary-simple-from (string)
 256   (if wl-use-petname
 257       (or (funcall wl-summary-get-petname-function string)
 258           (car (std11-extract-address-components string))
 259           string)
 260     string))
 261
 262 (defvar wl-summary-sort-specs '(number date subject from list-info))
 263 (defvar wl-summary-default-sort-spec 'date)
 264
 265 (defvar wl-summary-mode-menu-spec
 266   '("Summary"
 267     ["Read" wl-summary-read t]
 268     ["Prev page" wl-summary-prev-page t]
 269     ["Next page" wl-summary-next-page t]
 270     ["Top"       wl-summary-display-top t]
 271     ["Bottom"    wl-summary-display-bottom t]
 272     ["Prev"      wl-summary-prev t]
 273     ["Next"      wl-summary-next t]
 274     ["Up"        wl-summary-up t]
 275     ["Down"      wl-summary-down t]
 276     ["Parent message" wl-summary-jump-to-parent-message t]
 277     "----"
 278     ["Sync"            wl-summary-sync t]
 279     ["Execute"         wl-summary-exec t]
 280     ["Go to other folder" wl-summary-goto-folder t]
 281     ["Pick" wl-summary-pick t]
 282     ["Mark as read all" wl-summary-mark-as-read-all t]
 283     ["Unmark all"      wl-summary-unmark-all t]
 284     ["Toggle display message" wl-summary-toggle-disp-msg t]
 285     ["Display folder" wl-summary-toggle-disp-folder t]
 286     ["Toggle threading" wl-summary-toggle-thread t]
 287     ["Stick" wl-summary-stick t]
 288     ("Sort"
 289      ["By Number" wl-summary-sort-by-number t]
 290      ["By Date" wl-summary-sort-by-date t]
 291      ["By From" wl-summary-sort-by-from t]
 292      ["By Subject" wl-summary-sort-by-subject t]
 293      ["By List Info" wl-summary-sort-by-list-info t])
 294     "----"
 295     ("Message Operation"
 296      ["Mark as read"    wl-summary-mark-as-read t]
 297      ["Mark as important" wl-summary-mark-as-important t]
 298      ["Mark as unread"   wl-summary-mark-as-unread t]
 299      ["Set delete mark" wl-summary-delete t]
 300      ["Set refile mark" wl-summary-refile t]
 301      ["Set copy mark"   wl-summary-copy t]
 302      ["Prefetch"        wl-summary-prefetch t]
 303      ["Set target mark" wl-summary-target-mark t]
 304      ["Unmark"          wl-summary-unmark t]
 305      ["Save"            wl-summary-save t]
 306      ["Cancel posted news" wl-summary-cancel-message t]
 307      ["Supersedes message" wl-summary-supersedes-message t]
 308      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 309      ["Resend message" wl-summary-resend-message 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      ["Mark as important"       wl-thread-mark-as-important (eq wl-summary-buffer-view 'thread)]
 319      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 320      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 321      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 322      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 323      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 324      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 325      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 326      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 327      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 328     ("Region Operation"
 329      ["Mark as read" wl-summary-mark-as-read-region t]
 330      ["Mark as important" wl-summary-mark-as-important-region t]
 331      ["Mark as unread" wl-summary-mark-as-unread-region t]
 332      ["Set delete mark" wl-summary-delete-region t]
 333      ["Set refile mark" wl-summary-refile-region t]
 334      ["Set copy mark" wl-summary-copy-region t]
 335      ["Prefetch" wl-summary-prefetch-region t]
 336      ["Set target mark" wl-summary-target-mark-region t]
 337      ["Unmark" wl-summary-unmark-region t]
 338      ["Save" wl-summary-save-region t]
 339      ["Execute" wl-summary-exec-region t])
 340     ("Mark Operation"
 341      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 342      ["Mark as important" wl-summary-target-mark-mark-as-important t]
 343      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 344      ["Set delete mark" wl-summary-target-mark-delete t]
 345      ["Set refile mark" wl-summary-target-mark-refile t]
 346      ["Set copy mark" wl-summary-target-mark-copy t]
 347      ["Prefetch" wl-summary-target-mark-prefetch t]
 348      ["Save" wl-summary-target-mark-save t]
 349      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 350      ["Forward" wl-summary-target-mark-forward t]
 351      ["uudecode" wl-summary-target-mark-uudecode t])
 352     ("Score Operation"
 353      ["Switch current score file" wl-score-change-score-file t]
 354      ["Edit current score file" wl-score-edit-current-scores t]
 355      ["Edit score file" wl-score-edit-file t]
 356      ["Set mark below" wl-score-set-mark-below t]
 357      ["Set expunge below" wl-score-set-expunge-below t]
 358      ["Rescore buffer" wl-summary-rescore t]
 359      ["Increase score" wl-summary-increase-score t]
 360      ["Lower score" wl-summary-lower-score t])
 361     "----"
 362     ("Writing Messages"
 363      ["Write a message" wl-summary-write t]
 364      ["Write for current folder" wl-summary-write-current-folder t]
 365      ["Reply" wl-summary-reply t]
 366      ["Reply with citation" wl-summary-reply-with-citation t]
 367      ["Forward" wl-summary-forward t])
 368     "----"
 369     ["Toggle Plug Status" wl-toggle-plugged t]
 370     ["Change Plug Status" wl-plugged-change t]
 371     "----"
 372     ["Exit Current Folder" wl-summary-exit t]))
 373
 374 (if wl-on-xemacs
 375     (defun wl-summary-setup-mouse ()
 376       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 377       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 378       (define-key wl-summary-mode-map [(shift button4)]
 379         'wl-summary-up)
 380       (define-key wl-summary-mode-map [(shift button5)]
 381         'wl-summary-down)
 382       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 383   (defun wl-summary-setup-mouse ()
 384     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 385     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 386     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 387     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 388     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 389
 390 (if wl-summary-mode-map
 391     ()
 392   (setq wl-summary-mode-map (make-sparse-keymap))
 393   (define-key wl-summary-mode-map " "    'wl-summary-read)
 394   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 395   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 396   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 397   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 398   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 399   (define-key wl-summary-mode-map "\r"   'wl-summary-next-line-content)
 400   (define-key wl-summary-mode-map "\C-m" 'wl-summary-next-line-content)
 401   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 402   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 403   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 404   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 405   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 406   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 407   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 408   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 409 ;  (define-key wl-summary-mode-map "D"    'wl-summary-drop-unsync)
 410
 411   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 412   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 413   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 414   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 415   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 416   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 417   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 418   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 419
 420   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 421   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 422   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 423   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 424   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 425   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 426   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 427   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 428   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 429   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 430   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 431   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 432   (define-key wl-summary-mode-map "H"    'wl-summary-redisplay-all-header)
 433   (define-key wl-summary-mode-map "M"    'wl-summary-redisplay-no-mime)
 434   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 435   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 436   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 437   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 438   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 439   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 440   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 441
 442   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 443   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 444   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 445   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 446   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 447   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 448
 449   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 450   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 451   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 452   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 453
 454   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 455   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 456   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 457
 458   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 459   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 460   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 461
 462   ;; copy & paste.
 463   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 464   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 465
 466   ;; line commands
 467   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 468   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 469   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 470   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 471   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 472   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 473   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 474 ;  (define-key wl-summary-mode-map "\M-O" 'wl-summary-copy-prev-destination)
 475   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 476   (define-key wl-summary-mode-map "d"    'wl-summary-delete)
 477   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 478   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 479
 480   ;; thread commands
 481   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 482   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 483   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 484   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 485   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 486   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 487   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 488   (define-key wl-summary-mode-map "td" 'wl-thread-delete)
 489   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 490   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 491   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 492   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 493   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 494
 495   ;; target-mark commands
 496   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 497   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 498   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 499   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 500   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 501   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-delete)
 502   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 503   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 504   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 505   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 506   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 507   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 508   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 509   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 510   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 511   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 512   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 513   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 514
 515   ;; region commands
 516   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 517   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 518   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 519   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 520   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 521   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 522   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 523   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 524   (define-key wl-summary-mode-map "rd"   'wl-summary-delete-region)
 525   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 526   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 527   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 528   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 529
 530   ;; score commands
 531   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 532   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 533   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 534   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 535   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 536   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 537   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 538   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 539   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 540   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 541
 542   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 543   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 544   ;;
 545   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 546   (wl-summary-setup-mouse)
 547   (easy-menu-define
 548    wl-summary-mode-menu
 549    wl-summary-mode-map
 550    "Menu used in Summary mode."
 551    wl-summary-mode-menu-spec))
 552
 553 (defun wl-status-update ()
 554   (interactive)
 555   (wl-address-init))
 556
 557 (defun wl-summary-display-top ()
 558   (interactive)
 559   (goto-char (point-min))
 560   (when wl-summary-lazy-highlight
 561     (wl-highlight-summary-window))
 562   (if wl-summary-buffer-disp-msg
 563       (wl-summary-redisplay)))
 564
 565 (defun wl-summary-display-bottom ()
 566   (interactive)
 567   (goto-char (point-max))
 568   (forward-line -1)
 569   (when wl-summary-lazy-highlight
 570     (wl-highlight-summary-window))
 571   (if wl-summary-buffer-disp-msg
 572       (wl-summary-redisplay)))
 573
 574 (defun wl-summary-count-unread ()
 575   (let ((pair
 576          (elmo-msgdb-count-marks (wl-summary-buffer-msgdb)
 577                                  wl-summary-new-mark
 578                                  (list wl-summary-unread-uncached-mark
 579                                        wl-summary-unread-cached-mark))))
 580     (if (eq major-mode 'wl-summary-mode)
 581         (setq wl-summary-buffer-new-count (car pair)
 582               wl-summary-buffer-unread-count (cdr pair)))
 583     pair))
 584
 585 (defun wl-summary-message-string (&optional use-cache)
 586   "Return full body string of current message.
 587 If optional USE-CACHE is non-nil, use cache if exists."
 588   (let ((number (wl-summary-message-number))
 589         (folder wl-summary-buffer-elmo-folder))
 590     (if (null number)
 591         (message "No message.")
 592       (elmo-set-work-buf
 593        (elmo-message-fetch folder
 594                            number
 595                            (elmo-make-fetch-strategy
 596                             'entire
 597                             use-cache ; use cache
 598                             nil ; save cache (should `t'?)
 599                             (and
 600                              use-cache
 601                              (elmo-file-cache-get-path
 602                               (elmo-message-field folder number 'message-id))))
 603                            nil
 604                            (current-buffer)
 605                            'unread)
 606        (buffer-string)))))
 607
 608 (defun wl-summary-reedit (&optional arg)
 609   "Re-edit current message.
 610 If ARG is non-nil, Supersedes message"
 611   (interactive "P")
 612   (if arg
 613       (wl-summary-supersedes-message)
 614     (if (string= (wl-summary-buffer-folder-name) wl-draft-folder)
 615         (if (wl-summary-message-number)
 616             (progn
 617               (wl-draft-reedit (wl-summary-message-number))
 618               (if (wl-message-news-p)
 619                   (mail-position-on-field "Newsgroups")
 620                 (mail-position-on-field "To"))
 621               (delete-other-windows)))
 622       (wl-draft-edit-string (wl-summary-message-string)))))
 623
 624 (defun wl-summary-resend-bounced-mail ()
 625   "Re-mail the current message.
 626 This only makes sense if the current message is a bounce message which
 627 contains some mail you have written but has been bounced back to
 628 you."
 629   (interactive)
 630   (save-excursion
 631     (wl-summary-set-message-buffer-or-redisplay)
 632     (set-buffer (wl-message-get-original-buffer))
 633     (goto-char (point-min))
 634     (let ((case-fold-search nil))
 635       (cond
 636        ((and
 637          (re-search-forward
 638           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 639          (not (bolp))
 640          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 641         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 642               start)
 643           (cond
 644            ((and (setq start (re-search-forward
 645                               (concat "^--" boundary "\n"
 646                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 647                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 648                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 649                                       "\\(.+\n\\)*\n") nil t))
 650                  (re-search-forward
 651                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 652             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 653            (t
 654             (message "Seems no message/rfc822 part.")))))
 655        ((let ((case-fold-search t))
 656           (re-search-forward wl-rejected-letter-start nil t))
 657         (skip-chars-forward " \t\n")
 658         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 659        (t
 660         (message "Does not appear to be a rejected letter."))))))
 661
 662 (defun wl-summary-resend-message (address)
 663   "Resend the current message to ADDRESS."
 664   (interactive "sResend message to: ")
 665   (if (or (null address) (string-match "^[ \t]*$" address))
 666       (message "No address specified.")
 667     (message "Resending message to %s..." address)
 668     (save-excursion
 669       (let ((original (wl-summary-get-original-buffer)))
 670         ;; We first set up a normal mail buffer.
 671         (set-buffer (get-buffer-create " *wl-draft-resend*"))
 672         (buffer-disable-undo (current-buffer))
 673         (erase-buffer)
 674         (setq wl-sent-message-via nil)
 675         ;; Insert our usual headers.
 676         (wl-draft-insert-from-field)
 677         (wl-draft-insert-date-field)
 678         (insert "to: " address "\n")
 679         (goto-char (point-min))
 680         ;; Rename them all to "Resent-*".
 681         (while (re-search-forward "^[A-Za-z]" nil t)
 682           (forward-char -1)
 683           (insert "Resent-"))
 684         (widen)
 685         (forward-line)
 686         (delete-region (point) (point-max))
 687         (let ((beg  (point)))
 688           ;; Insert the message to be resent.
 689           (insert-buffer-substring original)
 690           (goto-char (point-min))
 691           (search-forward "\n\n")
 692           (forward-char -1)
 693           (save-restriction
 694             (narrow-to-region beg (point))
 695             (wl-draft-delete-fields wl-ignored-resent-headers)
 696             (goto-char (point-max)))
 697           (insert mail-header-separator)
 698           ;; Rename all old ("Previous-")Resent headers.
 699           (while (re-search-backward "^\\(Previous-\\)*Resent-" beg t)
 700             (beginning-of-line)
 701             (insert "Previous-"))
 702           ;; Quote any "From " lines at the beginning.
 703           (goto-char beg)
 704           (when (looking-at "From ")
 705             (replace-match "X-From-Line: ")))
 706         ;; Send it.
 707         (wl-draft-dispatch-message)
 708         (kill-buffer (current-buffer)))
 709       (message "Resending message to %s...done" address))))
 710
 711 (defun wl-summary-detect-mark-position ()
 712   (let ((column wl-summary-buffer-number-column)
 713         (formatter wl-summary-buffer-line-formatter)
 714         (dummy-temp (char-to-string 200))
 715         (dummy-persistent (char-to-string 201))
 716         temp persistent)
 717     (with-temp-buffer
 718       (setq wl-summary-buffer-number-column column
 719             wl-summary-buffer-line-formatter formatter)
 720       (insert
 721        (wl-summary-create-line
 722         (elmo-msgdb-make-entity
 723          :number 10000
 724          :from "foo"
 725          :subject "bar"
 726          :size 100)
 727         nil
 728         dummy-temp
 729         dummy-persistent))
 730       (goto-char (point-min))
 731       (setq temp (save-excursion
 732                    (search-forward dummy-temp nil t)
 733                    (current-column))
 734             persistent (save-excursion
 735                          (search-forward dummy-persistent nil t)
 736                          (current-column))))
 737     (setq wl-summary-buffer-temp-mark-column temp
 738           wl-summary-buffer-persistent-mark-column persistent)))
 739
 740 (defun wl-summary-buffer-set-folder (folder)
 741   (if (stringp folder)
 742       (setq folder (wl-folder-get-elmo-folder folder)))
 743   (setq wl-summary-buffer-elmo-folder folder)
 744   (make-local-variable 'wl-message-buffer)
 745   (setq wl-summary-buffer-mime-charset (or (wl-get-assoc-list-value
 746                                             wl-folder-mime-charset-alist
 747                                             (elmo-folder-name-internal folder))
 748                                            wl-mime-charset))
 749   (setq wl-summary-buffer-weekday-name-lang
 750         (or (wl-get-assoc-list-value
 751              wl-folder-weekday-name-lang-alist
 752              (elmo-folder-name-internal folder))
 753             wl-summary-weekday-name-lang))
 754   (setq wl-summary-buffer-thread-indent-set
 755         (wl-get-assoc-list-value
 756          wl-folder-thread-indent-set-alist
 757          (elmo-folder-name-internal folder)))
 758   (setq wl-summary-buffer-number-column
 759         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 760                                      (wl-summary-buffer-folder-name))
 761             wl-summary-default-number-column))
 762   (wl-line-formatter-setup
 763    wl-summary-buffer-line-formatter
 764    (setq wl-summary-buffer-line-format
 765          (or (wl-get-assoc-list-value
 766               wl-folder-summary-line-format-alist
 767               (elmo-folder-name-internal folder))
 768              wl-summary-line-format))
 769    wl-summary-line-format-spec-alist)
 770   (wl-line-formatter-setup
 771    wl-summary-buffer-mode-line-formatter
 772    wl-summary-mode-line-format
 773    wl-summary-mode-line-format-spec-alist)
 774   (wl-summary-detect-mark-position)
 775   (setq wl-summary-buffer-persistent
 776         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 777   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 778   ;; process duplicates.
 779   (elmo-folder-set-process-duplicates-internal
 780    folder (cdr (elmo-string-matched-assoc
 781                 (elmo-folder-name-internal folder)
 782                 wl-folder-process-duplicates-alist)))
 783   (setq
 784    wl-thread-indent-level-internal
 785    (or (nth 0 wl-summary-buffer-thread-indent-set)
 786        wl-thread-indent-level)
 787    wl-thread-have-younger-brother-str-internal
 788    (or (nth 1 wl-summary-buffer-thread-indent-set)
 789        wl-thread-have-younger-brother-str)
 790    wl-thread-youngest-child-str-internal
 791    (or (nth 2 wl-summary-buffer-thread-indent-set)
 792        wl-thread-youngest-child-str)
 793    wl-thread-vertical-str-internal
 794    (or (nth 3 wl-summary-buffer-thread-indent-set)
 795        wl-thread-vertical-str)
 796    wl-thread-horizontal-str-internal
 797    (or (nth 4 wl-summary-buffer-thread-indent-set)
 798        wl-thread-horizontal-str)
 799    wl-thread-space-str-internal
 800    (or (nth 5 wl-summary-buffer-thread-indent-set)
 801        wl-thread-space-str))
 802   (run-hooks 'wl-summary-buffer-set-folder-hook))
 803
 804 (defun wl-summary-mode ()
 805   "Major mode for reading threaded messages.
 806 See Info under Wanderlust for full documentation.
 807
 808 Special commands:
 809 \\{wl-summary-mode-map}
 810
 811 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 812   (interactive)
 813   (unless (interactive-p) (kill-all-local-variables))
 814   (setq major-mode 'wl-summary-mode)
 815   (setq mode-name "Summary")
 816   (use-local-map wl-summary-mode-map)
 817 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 818   (setq buffer-read-only t)
 819   (setq truncate-lines t)
 820 ;;;(make-local-variable 'tab-width)
 821 ;;;(setq tab-width 1)
 822   (buffer-disable-undo (current-buffer))
 823   (setq selective-display t
 824         selective-display-ellipses nil)
 825   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 826   (easy-menu-add wl-summary-mode-menu)
 827   (when wl-summary-lazy-highlight
 828     (if wl-on-xemacs
 829         (progn
 830           (make-local-variable 'pre-idle-hook)
 831           (add-hook 'pre-idle-hook 'wl-highlight-summary-window))
 832       (make-local-variable 'window-scroll-functions)
 833       (add-hook 'window-scroll-functions 'wl-highlight-summary-window)))
 834   ;; This hook may contain the function `wl-setup-summary' for reasons
 835   ;; of system internal to accord facilities for the Emacs variants.
 836   (run-hooks 'wl-summary-mode-hook))
 837
 838 (defun wl-summary-overview-entity-compare-by-date (x y)
 839   "Compare entity X and Y by date."
 840   (condition-case nil
 841       (string<
 842        (timezone-make-date-sortable
 843         (elmo-msgdb-overview-entity-get-date x))
 844        (timezone-make-date-sortable
 845         (elmo-msgdb-overview-entity-get-date y)))
 846     (error))) ;; ignore error.
 847
 848 (defun wl-summary-overview-entity-compare-by-number (x y)
 849    "Compare entity X and Y by number."
 850   (<
 851    (elmo-msgdb-overview-entity-get-number x)
 852    (elmo-msgdb-overview-entity-get-number y)))
 853
 854 (defun wl-summary-overview-entity-compare-by-from (x y)
 855   "Compare entity X and Y by from."
 856   (string<
 857    (wl-address-header-extract-address
 858     (or (elmo-msgdb-overview-entity-get-from-no-decode x)
 859         wl-summary-no-from-message))
 860    (wl-address-header-extract-address
 861     (or (elmo-msgdb-overview-entity-get-from-no-decode y)
 862         wl-summary-no-from-message))))
 863
 864 (defun wl-summary-overview-entity-compare-by-subject (x y)
 865   "Compare entity X and Y by subject."
 866   (string< (elmo-msgdb-overview-entity-get-subject-no-decode x)
 867            (elmo-msgdb-overview-entity-get-subject-no-decode y)))
 868
 869 (defun wl-summary-get-list-info (entity)
 870   "Returns (\"ML-name\" . ML-count) of ENTITY."
 871   (let (sequence ml-name ml-count subject return-path delivered-to mailing-list)
 872     (setq sequence (elmo-msgdb-overview-entity-get-extra-field
 873                     entity "x-sequence")
 874           ml-name (or (elmo-msgdb-overview-entity-get-extra-field
 875                        entity "x-ml-name")
 876                       (and sequence
 877                            (car (split-string sequence " "))))
 878           ml-count (or (elmo-msgdb-overview-entity-get-extra-field
 879                         entity "x-mail-count")
 880                        (elmo-msgdb-overview-entity-get-extra-field
 881                         entity "x-ml-count")
 882                        (and sequence
 883                             (cadr (split-string sequence " ")))))
 884     (and (setq subject (elmo-msgdb-overview-entity-get-subject
 885                         entity))
 886          (setq subject (elmo-delete-char ?\n subject))
 887          (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*" subject)
 888          (progn
 889            (or ml-name (setq ml-name (match-string 1 subject)))
 890            (or ml-count (setq ml-count (match-string 2 subject)))))
 891     (and (setq return-path
 892                (elmo-msgdb-overview-entity-get-extra-field
 893                 entity "return-path"))
 894          (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
 895          (progn
 896            (or ml-name (setq ml-name (match-string 1 return-path)))
 897            (or ml-count (setq ml-count (match-string 2 return-path)))))
 898     (and (setq delivered-to
 899                (elmo-msgdb-overview-entity-get-extra-field
 900                 entity "delivered-to"))
 901          (string-match "^mailing list \\([^@]+\\)@" delivered-to)
 902          (or ml-name (setq ml-name (match-string 1 delivered-to))))
 903     (and (setq mailing-list
 904                (elmo-msgdb-overview-entity-get-extra-field
 905                 entity "mailing-list"))
 906          (string-match "\\(^\\|; \\)contact \\([^@]+\\)-[^-@]+@" mailing-list)  ; *-help@, *-owner@, etc.
 907          (or ml-name (setq ml-name (match-string 2 mailing-list))))
 908     (cons (and ml-name (car (split-string ml-name " ")))
 909           (and ml-count (string-to-int ml-count)))))
 910
 911 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 912   "Compare entity X and Y by mailing-list info."
 913   (let* ((list-info-x (wl-summary-get-list-info x))
 914          (list-info-y (wl-summary-get-list-info y)))
 915     (if (equal (car list-info-x) (car list-info-y))
 916         (if (equal (cdr list-info-x) (cdr list-info-y))
 917             (wl-summary-overview-entity-compare-by-date x y)
 918           (< (or (cdr list-info-x) 0)
 919              (or (cdr list-info-y) 0)))
 920       (string< (or (car list-info-x) "")
 921                (or (car list-info-y) "")))))
 922
 923 (defun wl-summary-sort-by-date ()
 924   (interactive)
 925   (wl-summary-rescan "date"))
 926 (defun wl-summary-sort-by-number ()
 927   (interactive)
 928   (wl-summary-rescan "number"))
 929 (defun wl-summary-sort-by-subject ()
 930   (interactive)
 931   (wl-summary-rescan "subject"))
 932 (defun wl-summary-sort-by-from ()
 933   (interactive)
 934   (wl-summary-rescan "from"))
 935 (defun wl-summary-sort-by-list-info ()
 936   (interactive)
 937   (wl-summary-rescan "list-info"))
 938
 939 (defun wl-summary-rescan (&optional sort-by)
 940   "Rescan current folder without updating."
 941   (interactive)
 942   (let* ((cur-buf (current-buffer))
 943          (msgdb (wl-summary-buffer-msgdb))
 944          (overview (elmo-msgdb-get-overview msgdb))
 945          (number-alist (elmo-msgdb-get-number-alist msgdb))
 946          (elmo-mime-charset wl-summary-buffer-mime-charset)
 947          i percent num
 948          gc-message entity
 949          curp
 950          (inhibit-read-only t)
 951          (buffer-read-only nil)
 952          expunged)
 953     (fset 'wl-summary-append-message-func-internal
 954           (wl-summary-get-append-message-func))
 955     (erase-buffer)
 956     (message "Re-scanning...")
 957     (setq i 0)
 958     (setq num (length overview))
 959     (when sort-by
 960       (message "Sorting by %s..." sort-by)
 961       (setq overview
 962             (sort overview
 963                   (intern (format "wl-summary-overview-entity-compare-by-%s"
 964                                   sort-by))))
 965       (message "Sorting by %s...done" sort-by)
 966       (elmo-msgdb-set-overview (wl-summary-buffer-msgdb)
 967                                overview))
 968     (setq curp overview)
 969     (set-buffer cur-buf)
 970     (setq wl-thread-entity-hashtb (elmo-make-hash (* (length overview) 2)))
 971     (setq wl-thread-entity-list nil)
 972     (setq wl-thread-entities nil)
 973     (setq wl-summary-buffer-number-list nil)
 974     (setq wl-summary-buffer-target-mark-list nil)
 975     (setq wl-summary-buffer-refile-list nil)
 976     (setq wl-summary-buffer-delete-list nil)
 977     (setq wl-summary-delayed-update nil)
 978     (elmo-kill-buffer wl-summary-search-buf-name)
 979     (while curp
 980       (setq entity (car curp))
 981       (wl-summary-append-message-func-internal entity msgdb nil)
 982       (setq curp (cdr curp))
 983       (when (> num elmo-display-progress-threshold)
 984         (setq i (+ i 1))
 985         (if (or (zerop (% i 5)) (= i num))
 986             (elmo-display-progress
 987              'wl-summary-rescan "Constructing summary structure..."
 988              (/ (* i 100) num)))))
 989     (when wl-summary-delayed-update
 990       (while wl-summary-delayed-update
 991         (message "Parent (%d) of message %d is no entity"
 992                  (caar wl-summary-delayed-update)
 993                  (elmo-msgdb-overview-entity-get-number
 994                   (cdar wl-summary-delayed-update)))
 995         (wl-summary-append-message-func-internal
 996          (cdar wl-summary-delayed-update) msgdb nil t)
 997         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
 998     (message "Constructing summary structure...done")
 999     (set-buffer cur-buf)
1000     (if (eq wl-summary-buffer-view 'thread)
1001         (progn
1002           (message "Inserting thread...")
1003           (wl-thread-insert-top)
1004           (message "Inserting thread...done"))
1005       (wl-summary-make-number-list))
1006     (when wl-use-scoring
1007       (setq wl-summary-scored nil)
1008       (wl-summary-score-headers nil msgdb
1009                                 (wl-summary-rescore-msgs number-alist)
1010                                 t)
1011       (when (and wl-summary-scored
1012                  (setq expunged (wl-summary-score-update-all-lines)))
1013         (message "%d message(s) are expunged by scoring." (length expunged))))
1014     (wl-summary-set-message-modified)
1015     (wl-summary-count-unread)
1016     (wl-summary-update-modeline)
1017     (goto-char (point-max))
1018     (forward-line -1)
1019     (set-buffer-modified-p nil)))
1020
1021 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1022   (if (and next-entity
1023            wl-auto-select-next)
1024       (let (retval)
1025         (wl-summary-toggle-disp-msg 'off)
1026         (unwind-protect
1027             (setq retval
1028                   (wl-summary-goto-folder-subr next-entity
1029                                                'force-update
1030                                                nil
1031                                                nil ; not sticky
1032                                                t   ; interactive!
1033                                                ))
1034           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1035           (if (and (eq retval 'more-next)
1036                    (memq wl-auto-select-next '(unread skip-no-unread))
1037                    (memq this-command wl-summary-next-no-unread-command))
1038               (if upward
1039                   (wl-summary-up
1040                    t (eq wl-auto-select-next 'skip-no-unread))
1041                 (goto-char (point-max))
1042                 (forward-line -1)
1043                 (wl-summary-down
1044                  t (eq wl-auto-select-next 'skip-no-unread))))))
1045     (wl-summary-exit)))
1046
1047 (defun wl-summary-entity-info-msg (entity finfo)
1048   (or (and entity
1049            (concat
1050             (elmo-replace-in-string
1051              (if (memq 'ask-folder wl-use-folder-petname)
1052                  (wl-folder-get-petname entity)
1053                entity)
1054              "%" "%%")
1055             (if (null (car finfo))
1056                 " (? new/? unread)"
1057               (format
1058                " (%d new/%d unread)"
1059                (nth 0 finfo)
1060                (+ (nth 0 finfo)
1061                   (nth 1 finfo))))))
1062       "folder mode"))
1063
1064 (defun wl-summary-set-message-modified ()
1065   (elmo-folder-set-message-modified-internal
1066    wl-summary-buffer-elmo-folder t)
1067   (setq wl-summary-buffer-message-modified t))
1068 (defun wl-summary-message-modified-p ()
1069   wl-summary-buffer-message-modified)
1070 (defun wl-summary-set-mark-modified ()
1071   (elmo-folder-set-mark-modified-internal
1072    wl-summary-buffer-elmo-folder t)
1073   (setq wl-summary-buffer-mark-modified t))
1074 (defun wl-summary-mark-modified-p ()
1075   wl-summary-buffer-mark-modified)
1076 (defun wl-summary-set-thread-modified ()
1077   (setq wl-summary-buffer-thread-modified t))
1078 (defun wl-summary-thread-modified-p ()
1079   wl-summary-buffer-thread-modified)
1080
1081 (defsubst wl-summary-cleanup-temp-marks (&optional sticky)
1082   (if (or wl-summary-buffer-refile-list
1083           wl-summary-buffer-copy-list
1084           wl-summary-buffer-delete-list)
1085       (if (y-or-n-p (format "Execute remaining marks in %s? "
1086                             (wl-summary-buffer-folder-name)))
1087           (progn
1088             (wl-summary-exec)
1089             (if (or wl-summary-buffer-refile-list
1090                     wl-summary-buffer-copy-list
1091                     wl-summary-buffer-delete-list)
1092                 (error "Some execution was failed")))
1093         ;; delete temp-marks
1094         (message "")
1095         (wl-summary-delete-all-refile-marks)
1096         (wl-summary-delete-all-copy-marks)
1097         (wl-summary-delete-all-delete-marks)))
1098   (if wl-summary-buffer-target-mark-list
1099       (progn
1100         (wl-summary-delete-all-target-marks)
1101         (setq wl-summary-buffer-target-mark-list nil)))
1102   (wl-summary-delete-all-temp-marks-on-buffer sticky)
1103   (setq wl-summary-scored nil))
1104
1105 ;; a subroutine for wl-summary-exit/wl-save-status
1106 ;; Note that folder is not commited here.
1107 (defun wl-summary-save-view ()
1108   ;; already in summary buffer.
1109   (when wl-summary-buffer-persistent
1110     ;; save the current summary buffer view.
1111     (if (and wl-summary-cache-use
1112              (or (wl-summary-message-modified-p)
1113                  (wl-summary-mark-modified-p)
1114                  (wl-summary-thread-modified-p)))
1115         (wl-summary-save-view-cache))))
1116
1117 (defun wl-summary-save-status ()
1118   "Save summary view and msgdb."
1119   (interactive)
1120   (if (interactive-p) (message "Saving summary status..."))
1121   (wl-summary-save-view)
1122   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1123   (elmo-folder-check wl-summary-buffer-elmo-folder)
1124   (if wl-use-scoring (wl-score-save))
1125   (if (interactive-p) (message "Saving summary status...done.")))
1126
1127 (defun wl-summary-force-exit ()
1128   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1129   (interactive)
1130   (wl-summary-exit 'force-exit))
1131
1132 (defun wl-summary-exit (&optional force-exit)
1133   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1134   (interactive "P")
1135   (let ((summary-buf (current-buffer))
1136         (sticky (wl-summary-sticky-p))
1137         summary-win
1138         message-buf message-win
1139         folder-buf folder-win)
1140     (run-hooks 'wl-summary-exit-pre-hook)
1141     (if wl-summary-buffer-exit-function
1142         (funcall wl-summary-buffer-exit-function)
1143       (if (or force-exit (not sticky))
1144           (wl-summary-cleanup-temp-marks sticky))
1145       (unwind-protect
1146           ;; save summary status
1147           (progn
1148             (wl-summary-save-view)
1149             (if (or force-exit (not sticky))
1150                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1151               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1152               (elmo-folder-check wl-summary-buffer-elmo-folder))
1153             (if wl-use-scoring (wl-score-save)))
1154         ;; for sticky summary
1155         (wl-delete-all-overlays)
1156         (setq wl-summary-buffer-disp-msg nil)
1157         (elmo-kill-buffer wl-summary-search-buf-name)
1158         ;; delete message window if displayed.
1159         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1160             (delete-window (get-buffer-window wl-message-buffer)))
1161         (if (and wl-summary-use-frame
1162                  (> (length (visible-frame-list)) 1))
1163             (delete-frame))
1164         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1165             (if wl-summary-use-frame
1166                 (let (select-frame)
1167                   (save-selected-window
1168                     (dolist (frame (visible-frame-list))
1169                       (select-frame frame)
1170                       (if (get-buffer-window folder-buf)
1171                           (setq select-frame frame))))
1172                   (if select-frame
1173                       (select-frame select-frame)
1174                     (switch-to-buffer folder-buf)))
1175               (if (setq folder-win (get-buffer-window folder-buf))
1176                   ;; folder win is already displayed.
1177                   (select-window folder-win)
1178                 ;; folder win is not displayed.
1179                 (switch-to-buffer folder-buf)))
1180           ;; currently no folder buffer
1181           (wl-folder))
1182         (and wl-folder-move-cur-folder
1183              wl-folder-buffer-cur-point
1184              (goto-char wl-folder-buffer-cur-point))
1185         (setq wl-folder-buffer-cur-path nil)
1186         (setq wl-folder-buffer-cur-entity-id nil)
1187         (wl-delete-all-overlays)
1188         (if wl-summary-exit-next-move
1189             (wl-folder-next-unsync t)
1190           (beginning-of-line))
1191         (if (setq summary-win (get-buffer-window summary-buf))
1192             (delete-window summary-win))
1193         (if (or force-exit
1194                 (not sticky))
1195             (progn
1196               (set-buffer summary-buf)
1197               (kill-buffer summary-buf)))
1198         (run-hooks 'wl-summary-exit-hook)))))
1199
1200 (defun wl-summary-suspend ()
1201   (interactive)
1202   (wl-summary-exit)
1203   (wl-folder-suspend))
1204
1205 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1206   (interactive)
1207   (wl-summary-sync-update unset-cursor nil no-check))
1208
1209 (defsubst wl-summary-sync-all-init ()
1210   (wl-summary-cleanup-temp-marks)
1211   (erase-buffer)
1212   (wl-summary-set-message-modified)
1213   (wl-summary-set-mark-modified)
1214   (setq wl-thread-entity-hashtb (elmo-make-hash
1215                                  (* (length (elmo-msgdb-get-number-alist
1216                                              (wl-summary-buffer-msgdb))) 2)))
1217   (setq wl-thread-entity-list nil)
1218   (setq wl-thread-entities nil)
1219   (setq wl-summary-buffer-number-list nil)
1220   (setq wl-summary-buffer-target-mark-list nil)
1221   (setq wl-summary-buffer-refile-list nil)
1222   (setq wl-summary-buffer-copy-list nil)
1223   (setq wl-summary-buffer-delete-list nil))
1224
1225 (defun wl-summary-sync (&optional unset-cursor force-range)
1226   (interactive)
1227   (let* ((folder wl-summary-buffer-elmo-folder)
1228          (inhibit-read-only t)
1229          (buffer-read-only nil)
1230          (msgdb-dir (elmo-folder-msgdb-path folder))
1231          (range (or force-range (wl-summary-input-range
1232                                  (elmo-folder-name-internal folder)))))
1233     (cond ((string= range "rescan")
1234            (let ((msg (wl-summary-message-number)))
1235              (wl-summary-rescan)
1236              (and msg (wl-summary-jump-to-msg msg))))
1237           ((string= range "rescan-noscore")
1238            (let ((msg (wl-summary-message-number))
1239                  wl-use-scoring)
1240              (wl-summary-rescan)
1241              (and msg (wl-summary-jump-to-msg msg))))
1242           ((string= range "cache-status")
1243            (let ((msg (wl-summary-message-number)))
1244              (wl-summary-resume-cache-status)
1245              (and msg (wl-summary-jump-to-msg msg))))
1246           ((or (string-match "last:" range)
1247                (string-match "first:" range))
1248            (wl-summary-goto-folder-subr (concat "/" range "/"
1249                                                 (elmo-folder-name-internal
1250                                                  folder))
1251             'force-update nil nil t))
1252           (t
1253            (wl-summary-sync-update unset-cursor
1254                                    (cond ((string= range "all") 'all)
1255                                          ((string= range "all-visible")
1256                                           'visible-only)))))))
1257
1258 (defvar wl-summary-edit-addresses-candidate-fields
1259   ;; First element becomes default.
1260   '("from" "to" "cc"))
1261
1262 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1263   (let ((fields wl-summary-edit-addresses-candidate-fields)
1264         body candidates components)
1265     (while fields
1266       (setq body
1267             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1268                        ","))
1269       (setq body (wl-parse-addresses body))
1270       (if body (setq candidates (append candidates body)))
1271       (setq fields (cdr fields)))
1272     (setq candidates (elmo-uniq-list candidates))
1273     (elmo-set-work-buf
1274      (elmo-set-buffer-multibyte default-enable-multibyte-characters)
1275      (mapcar (function
1276               (lambda (x)
1277                 (setq components (std11-extract-address-components x))
1278                 (cons (nth 1 components)
1279                       (and (car components)
1280                            (eword-decode-string
1281                             (decode-mime-charset-string
1282                              (car components)
1283                              mime-charset))))))
1284              candidates))))
1285
1286 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1287   ;; returns nil if there's no change.
1288   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1289       (let (char)
1290         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1291                  the-email)
1292         (while (not (or (eq (setq char (read-char)) ?\r)
1293                         (eq char ?\n)
1294                         (eq char ? )
1295                         (eq char ?e)
1296                         (eq char ?c)
1297                         (eq char ?d)))
1298           (message
1299            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1300         (cond
1301          ((or (eq char ?e)
1302               (eq char ?\n)
1303               (eq char ?\r)
1304               (eq char ? ))
1305           ;; Change Addresses
1306           (wl-address-add-or-change
1307            the-email
1308            (wl-address-header-extract-realname
1309             (cdr (assoc
1310                   (let ((completion-ignore-case t) comp)
1311                     (setq comp
1312                           (try-completion the-email wl-address-completion-list))
1313                     (if (equal comp t) the-email comp))
1314                   wl-address-completion-list))))
1315           "edited")
1316          ((eq char ?d)
1317           ;; Delete Addresses
1318           (if (y-or-n-p (format "Delete '%s'? "
1319                                 the-email))
1320               (progn
1321                 (wl-address-delete the-email)
1322                 "deleted")
1323             (message "")
1324             nil))
1325          (t (message "")
1326             nil)))
1327     ;; Add Petname
1328     (wl-address-add-or-change the-email name-in-addr)
1329     "added"))
1330
1331 (defun wl-summary-edit-addresses (&optional addr-str)
1332   "Edit address book interactively.
1333 Optional argument ADDR-STR is used as a target address if specified."
1334   (interactive (if current-prefix-arg
1335                    (list (read-from-minibuffer "Target address: "))))
1336   (if (null (wl-summary-message-number))
1337       (message "No message.")
1338     (save-excursion
1339       (let* ((charset wl-summary-buffer-mime-charset)
1340              (candidates
1341               (with-current-buffer (wl-summary-get-original-buffer)
1342                 (wl-summary-edit-addresses-collect-candidate-fields
1343                  charset)))
1344              address pair result)
1345         (if addr-str
1346             (setq address addr-str)
1347           (when candidates
1348             (setq address (car (car candidates)))
1349             (setq address
1350                   (completing-read
1351                    (format "Target address (%s): " address)
1352                    (mapcar
1353                     (function (lambda (x) (cons (car x) (car x))))
1354                     candidates)
1355                    nil nil nil nil address))))
1356         (when address
1357           (setq pair (assoc address candidates))
1358           (unless pair
1359             (setq pair (cons address nil)))
1360           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1361             ;; update alias
1362             (wl-status-update)
1363             (setq address (assoc (car pair) wl-address-list))
1364             (if address
1365                 (message "%s, %s, <%s> is %s."
1366                          (nth 2 address)
1367                          (nth 1 address)
1368                          (nth 0 address)
1369                          result)))
1370 ;;; i'd like to update summary-buffer, but...
1371 ;;;     (wl-summary-rescan)
1372           (run-hooks 'wl-summary-edit-addresses-hook))))))
1373
1374 (defun wl-summary-incorporate (&optional arg)
1375   "Check and prefetch all uncached messages.
1376 If ARG is non-nil, checking is omitted."
1377   (interactive "P")
1378   (unless arg
1379     (save-excursion
1380       (wl-summary-sync-force-update)))
1381   (wl-summary-prefetch-region (point-min) (point-max)
1382                               wl-summary-incorporate-marks))
1383
1384 (defun wl-summary-prefetch-msg (number &optional arg)
1385   "Returns status-mark. if skipped, returns nil."
1386   ;; prefetching procedure.
1387   (save-excursion
1388     (let* ((msgdb (wl-summary-buffer-msgdb))
1389            (number-alist (elmo-msgdb-get-number-alist msgdb))
1390            (message-id (cdr (assq number number-alist)))
1391            (ov (elmo-msgdb-overview-get-entity message-id msgdb))
1392            (wl-message-entity ov)
1393            (entity ov)                  ; backward compatibility.
1394            (size (elmo-msgdb-overview-entity-get-size ov))
1395            (inhibit-read-only t)
1396            (buffer-read-only nil)
1397            (file-cached (elmo-file-cache-exists-p message-id))
1398            (force-read (and size
1399                             (or (and (null wl-prefetch-confirm) arg)
1400                                 (null wl-prefetch-threshold)
1401                                 (< size wl-prefetch-threshold))))
1402            mark new-mark)
1403       (unwind-protect
1404           (progn
1405             (when (and (or arg (not file-cached))
1406                        size (not force-read) wl-prefetch-confirm)
1407               (setq force-read
1408                     (save-restriction
1409                       (widen)
1410                       (y-or-n-p
1411                        (format
1412                         "Message from %s has %d bytes.  Prefetch it? "
1413                         (concat
1414                          "[ "
1415                          (save-match-data
1416                            (wl-set-string-width
1417                             17
1418                             (funcall wl-summary-from-function
1419                              (eword-decode-string
1420                               (elmo-delete-char
1421                                ?\"
1422                                (or
1423                                 (elmo-msgdb-overview-entity-get-from ov)
1424                                 "??")))))) " ]")
1425                         size))))
1426               (message ""))             ; flush.
1427             (setq mark (elmo-msgdb-get-mark msgdb number))
1428             (if force-read
1429                 (save-excursion
1430                   (save-match-data
1431                     ;; online
1432                     (if (or arg (not file-cached))
1433                         (elmo-message-encache
1434                          wl-summary-buffer-elmo-folder
1435                          number))
1436                     (setq new-mark
1437                           (cond
1438                            ((string= mark
1439                                      wl-summary-unread-uncached-mark)
1440                             wl-summary-unread-cached-mark)
1441                            ((string= mark wl-summary-new-mark)
1442                             (setq wl-summary-buffer-new-count
1443                                   (- wl-summary-buffer-new-count 1))
1444                             (setq wl-summary-buffer-unread-count
1445                                   (+ wl-summary-buffer-unread-count 1))
1446                             wl-summary-unread-cached-mark)
1447                            ((string= mark wl-summary-read-uncached-mark)
1448                             nil)
1449                            (t mark)))
1450                     (elmo-msgdb-set-mark msgdb number new-mark)
1451                     (or new-mark (setq new-mark " "))
1452                     (wl-summary-set-mark-modified)
1453                     (wl-summary-update-modeline)
1454                     (wl-folder-update-unread
1455                      (wl-summary-buffer-folder-name)
1456                      (+ wl-summary-buffer-unread-count
1457                         wl-summary-buffer-new-count)))
1458                   new-mark)))))))
1459
1460 ;;(defvar wl-summary-message-uncached-marks
1461 ;;  (list wl-summary-new-mark
1462 ;;      wl-summary-unread-uncached-mark
1463 ;;      wl-summary-read-uncached-mark))
1464
1465 (defun wl-summary-prefetch-region (beg end &optional prefetch-marks)
1466   (interactive "r")
1467   (let ((count 0)
1468         targets
1469         mark length
1470         entity msg
1471         start-pos pos)
1472     (save-excursion
1473       (setq start-pos (point))
1474       (save-restriction
1475         (narrow-to-region beg end)
1476         ;; collect prefetch targets.
1477         (message "Collecting marks...")
1478         (goto-char (point-min))
1479         (while (not (eobp))
1480           (setq mark (wl-summary-persistent-mark)
1481                 msg (wl-summary-message-number))
1482           (if (or (and (null prefetch-marks)
1483                        msg
1484                        (null (elmo-file-cache-exists-p
1485                               (elmo-message-field
1486                                wl-summary-buffer-elmo-folder
1487                                msg
1488                                'message-id))))
1489                   (member mark prefetch-marks))
1490               (setq targets (nconc targets (list msg))))
1491           (setq entity (wl-thread-get-entity msg))
1492           (if (or (not (eq wl-summary-buffer-view 'thread))
1493                   (wl-thread-entity-get-opened entity))
1494               (); opened. no hidden children.
1495             (setq targets (nconc
1496                            targets
1497                            (wl-thread-get-children-msgs-uncached
1498                             msg prefetch-marks))))
1499           (forward-line 1))
1500         (setq length (length targets))
1501         (message "Prefetching...")
1502         (while targets
1503           (setq mark (if (not (wl-thread-entity-parent-invisible-p
1504                                (wl-thread-get-entity (car targets))))
1505                          (progn
1506                            (wl-summary-jump-to-msg (car targets))
1507                            (wl-summary-prefetch))
1508                        (wl-summary-prefetch-msg (car targets))))
1509           (if (if prefetch-marks
1510                   (string= mark wl-summary-unread-cached-mark)
1511                 (or (string= mark wl-summary-unread-cached-mark)
1512                     (string= mark " ")))
1513               (message "Prefetching... %d/%d message(s)"
1514                        (setq count (+ 1 count)) length))
1515           ;; redisplay!
1516           (save-excursion
1517             (setq pos (point))
1518             (goto-char start-pos)
1519             (if (pos-visible-in-window-p pos)
1520                 (save-restriction
1521                   (widen)
1522                   (sit-for 0))))
1523           (setq targets (cdr targets)))
1524         (message "Prefetched %d/%d message(s)" count length)
1525         (cons count length)))))
1526
1527 (defun wl-summary-prefetch (&optional arg)
1528   "Prefetch current message."
1529   (interactive "P")
1530   (save-excursion
1531     (let ((inhibit-read-only t)
1532           (buffer-read-only nil)
1533           (mark (wl-summary-persistent-mark)))
1534       (setq mark (wl-summary-prefetch-msg (wl-summary-message-number) arg))
1535       (when mark
1536         (delete-backward-char 1)
1537         (insert mark)
1538         (if wl-summary-highlight
1539             (wl-highlight-summary-current-line)))
1540       (set-buffer-modified-p nil)
1541       mark)))
1542
1543 (defun wl-summary-delete-marks-on-buffer (marks)
1544   (while marks
1545     (wl-summary-unmark (pop marks))))
1546
1547 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1548   (wl-summary-delete-marks-on-buffer copies))
1549
1550 (defun wl-summary-delete-all-refile-marks ()
1551   (let ((marks wl-summary-buffer-refile-list))
1552     (while marks
1553       (wl-summary-unmark (car (pop marks))))))
1554
1555 (defun wl-summary-delete-all-copy-marks ()
1556   (let ((marks wl-summary-buffer-copy-list))
1557     (while marks
1558       (wl-summary-unmark (car (pop marks))))))
1559
1560 (defun wl-summary-delete-all-delete-marks ()
1561   (wl-summary-delete-marks-on-buffer wl-summary-buffer-delete-list))
1562
1563 (defun wl-summary-delete-all-target-marks ()
1564   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1565
1566 (defun wl-summary-delete-all-temp-marks-on-buffer (&optional sticky)
1567   ;; for summary view cache saving.
1568   (save-excursion
1569     (goto-char (point-min))
1570     (let ((inhibit-read-only t)
1571           (buffer-read-only nil))
1572        (while (not (eobp))
1573         (unless (string= (wl-summary-temp-mark) " ")
1574           (delete-backward-char 1)
1575           (insert " "))
1576         (forward-line 1)))))
1577
1578 (defun wl-summary-mark-as-read-region (beg end)
1579   (interactive "r")
1580   (save-excursion
1581     (save-restriction
1582       (narrow-to-region beg end)
1583       (goto-char (point-min))
1584       (if (eq wl-summary-buffer-view 'thread)
1585           (progn
1586             (while (not (eobp))
1587               (let* ((number (wl-summary-message-number))
1588                      (entity (wl-thread-get-entity number))
1589                      children)
1590                 (if (wl-thread-entity-get-opened entity)
1591                     ;; opened...mark line.
1592                     (wl-summary-mark-as-read number)
1593                   ;; closed
1594                   (wl-summary-mark-as-read number) ; mark itself.
1595                   (setq children (wl-thread-get-children-msgs number))
1596                   (while children
1597                     (wl-summary-mark-as-read (car children))
1598                     (setq children (cdr children))))
1599                 (forward-line 1))))
1600         (while (not (eobp))
1601           (wl-summary-mark-as-read (wl-summary-message-number))
1602           (forward-line 1)))))
1603   (wl-summary-count-unread)
1604   (wl-summary-update-modeline))
1605
1606 (defun wl-summary-mark-as-unread-region (beg end)
1607   (interactive "r")
1608   (save-excursion
1609     (save-restriction
1610       (narrow-to-region beg end)
1611 ;;; use narrowing.
1612 ;;;      (save-excursion (goto-char end)
1613 ;;;                   (end-of-line) (point)))
1614       (goto-char (point-min))
1615       (if (eq wl-summary-buffer-view 'thread)
1616           (progn
1617             (while (not (eobp))
1618               (let* ((number (wl-summary-message-number))
1619                      (entity (wl-thread-get-entity number))
1620                      children)
1621                 (if (wl-thread-entity-get-opened entity)
1622                     ;; opened...mark line.
1623                     ;; Crossposts are not processed
1624                     (wl-summary-mark-as-unread)
1625                   ;; closed
1626                   (wl-summary-mark-as-unread) ; mark itself.
1627                   (setq children
1628                         (delq number (wl-thread-get-children-msgs number)))
1629                   (while children
1630                     (wl-summary-mark-as-unread (car children))
1631                     (setq children (cdr children))))
1632                 (forward-line 1))))
1633         (while (not (eobp))
1634           (wl-summary-mark-as-unread)
1635           (forward-line 1)))))
1636   (wl-summary-count-unread)
1637   (wl-summary-update-modeline))
1638
1639 (defun wl-summary-mark-as-important-region (beg end)
1640   (interactive "r")
1641   (save-excursion
1642     (save-restriction
1643       (narrow-to-region beg end);(save-excursion (goto-char end)
1644                                         ;    (end-of-line) (point)))
1645       (goto-char (point-min))
1646       (if (eq wl-summary-buffer-view 'thread)
1647           (progn
1648             (while (not (eobp))
1649               (let* ((number (wl-summary-message-number))
1650                      (entity (wl-thread-get-entity number))
1651                      children)
1652                 (if (wl-thread-entity-get-opened entity)
1653                     ;; opened...mark line.
1654                     ;; Crossposts are not processed
1655                     (wl-summary-mark-as-important)
1656                   ;; closed
1657                   (wl-summary-mark-as-important) ; mark itself.
1658                   (setq children
1659                         (delq number (wl-thread-get-children-msgs number)))
1660                   (while children
1661                     (wl-thread-msg-mark-as-important (car children))
1662                     (setq children (cdr children))))
1663                 (forward-line 1))))
1664         (while (not (eobp))
1665           (wl-summary-mark-as-important)
1666           (forward-line 1)))))
1667   (wl-summary-count-unread)
1668   (wl-summary-update-modeline))
1669
1670 (defun wl-summary-mark-as-read-all ()
1671   (interactive)
1672   (if (or (not (interactive-p))
1673           (y-or-n-p "Mark all messages as read? "))
1674       (let* ((folder wl-summary-buffer-elmo-folder)
1675              (cur-buf (current-buffer))
1676              (msgdb (wl-summary-buffer-msgdb))
1677              (inhibit-read-only t)
1678              (buffer-read-only nil)
1679              (case-fold-search nil)
1680              msg mark)
1681         (message "Setting all msgs as read...")
1682         (elmo-folder-mark-as-read folder
1683                                   (elmo-folder-list-unreads
1684                                    folder
1685                                    (list wl-summary-unread-cached-mark
1686                                          wl-summary-unread-uncached-mark
1687                                          wl-summary-new-mark)))
1688         (save-excursion
1689           (goto-char (point-min))
1690           (while (not (eobp))
1691             (setq msg (wl-summary-message-number))
1692             (setq mark (wl-summary-persistent-mark))
1693             (when (and (not (string= mark " "))
1694                        (not (string= mark wl-summary-important-mark))
1695                        (not (string= mark wl-summary-read-uncached-mark)))
1696               (delete-backward-char 1)
1697               (if (or (not (elmo-message-use-cache-p folder msg))
1698                       (string= mark wl-summary-unread-cached-mark))
1699                   (progn
1700                     (insert " ")
1701                     (elmo-msgdb-set-mark msgdb msg nil))
1702                 ;; New mark and unread-uncached mark
1703                 (insert wl-summary-read-uncached-mark)
1704                 (elmo-msgdb-set-mark
1705                  msgdb msg wl-summary-read-uncached-mark))
1706               (if wl-summary-highlight
1707                   (wl-highlight-summary-current-line nil nil t)))
1708             (forward-line 1)))
1709         (elmo-folder-replace-marks
1710          folder
1711          (list (cons wl-summary-unread-cached-mark
1712                      nil)
1713                (cons wl-summary-unread-uncached-mark
1714                      wl-summary-read-uncached-mark)
1715                (cons wl-summary-new-mark
1716                      wl-summary-read-uncached-mark)))
1717         (wl-summary-set-mark-modified)
1718         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1719         (setq wl-summary-buffer-unread-count 0)
1720         (setq wl-summary-buffer-new-count    0)
1721         (wl-summary-update-modeline)
1722         (message "Setting all msgs as read...done")
1723         (set-buffer-modified-p nil))))
1724
1725 (defun wl-summary-delete-cache ()
1726   "Delete cache of current message."
1727   (interactive)
1728   (save-excursion
1729     (let* ((inhibit-read-only t)
1730            (buffer-read-only nil)
1731            (folder wl-summary-buffer-elmo-folder)
1732            (msgdb (wl-summary-buffer-msgdb))
1733            (number-alist (elmo-msgdb-get-number-alist msgdb))
1734            (case-fold-search nil)
1735            mark number unread new-mark)
1736       (setq mark (wl-summary-persistent-mark))
1737       (cond
1738        ((or (string= mark wl-summary-new-mark)
1739             (string= mark wl-summary-unread-uncached-mark)
1740             (string= mark wl-summary-important-mark))
1741         ;; noop
1742         )
1743        ((string= mark wl-summary-unread-cached-mark)
1744         (setq new-mark wl-summary-unread-uncached-mark))
1745        (t
1746         (setq new-mark wl-summary-read-uncached-mark)))
1747       (when new-mark
1748         (setq number (wl-summary-message-number))
1749         (delete-backward-char 1)
1750         (insert new-mark)
1751         (elmo-file-cache-delete
1752          (elmo-file-cache-get-path
1753           (elmo-message-field wl-summary-buffer-elmo-folder
1754                               number
1755                               'message-id)))
1756         (elmo-msgdb-set-mark msgdb number new-mark)
1757         (wl-summary-set-mark-modified)
1758         (if wl-summary-highlight
1759             (wl-highlight-summary-current-line nil nil t))
1760         (set-buffer-modified-p nil)))))
1761
1762 (defun wl-summary-resume-cache-status ()
1763   "Resume the cache status of all messages in the current folder."
1764   (interactive)
1765   (let* ((folder wl-summary-buffer-elmo-folder)
1766          (cur-buf (current-buffer))
1767          (msgdb (wl-summary-buffer-msgdb))
1768          (number-alist (elmo-msgdb-get-number-alist msgdb))
1769          (inhibit-read-only t)
1770          (buffer-read-only nil)
1771          (case-fold-search nil)
1772          msg mark msgid set-mark)
1773     (message "Resuming cache status...")
1774     (save-excursion
1775       (goto-char (point-min))
1776       (while (not (eobp))
1777         (setq msg (wl-summary-message-number))
1778         (setq mark (wl-summary-persistent-mark))
1779         (setq msgid (elmo-msgdb-get-field msgdb msg 'message-id))
1780         (setq set-mark nil)
1781         (if (elmo-file-cache-exists-p msgid)
1782             (if (or
1783                  (string= mark wl-summary-unread-uncached-mark) ; U -> !
1784                  (string= mark wl-summary-new-mark)             ; N -> !
1785                  )
1786                 (setq set-mark wl-summary-unread-cached-mark)
1787               (if (string= mark wl-summary-read-uncached-mark)  ; u -> ' '
1788                   (setq set-mark " ")))
1789           (if (string= mark " ")
1790               (setq set-mark wl-summary-read-uncached-mark)     ;' ' -> u
1791             (if (string= mark wl-summary-unread-cached-mark)
1792                 (setq set-mark wl-summary-unread-uncached-mark) ; !  -> U
1793               )))
1794         (when set-mark
1795           (delete-backward-char 1)
1796           (insert set-mark)
1797           (elmo-msgdb-set-mark msgdb msg
1798                                (if (string= set-mark " ") nil set-mark))
1799           (if wl-summary-highlight
1800               (wl-highlight-summary-current-line)))
1801         (forward-line 1))
1802       (wl-summary-set-mark-modified)
1803       (wl-summary-count-unread)
1804       (wl-summary-update-modeline)
1805       (message "Resuming cache status...done")
1806       (set-buffer-modified-p nil))))
1807
1808 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1809   (interactive)
1810   (save-excursion
1811     (let ((inhibit-read-only t)
1812           (buffer-read-only nil)
1813           (msgs2 msgs)
1814           (len (length msgs))
1815           (i 0)
1816           update-list)
1817       (elmo-kill-buffer wl-summary-search-buf-name)
1818       (while msgs
1819         (if (eq wl-summary-buffer-view 'thread)
1820             (progn
1821               ;; don't use wl-append(nconc), because list is broken. ...why?
1822               (setq update-list
1823                     (append update-list
1824                             (wl-thread-delete-message (car msgs))))
1825               (setq update-list (delq (car msgs) update-list)))
1826           (goto-char (point-min))
1827           (if (wl-summary-jump-to-msg (car msgs))
1828               (progn
1829                 (delete-region (point-at-bol) (point-at-eol))
1830                 (delete-char 1) ; delete '\n'
1831                 (setq wl-summary-buffer-number-list
1832                       (delq (car msgs) wl-summary-buffer-number-list)))))
1833         (when (and deleting-info
1834                    (> len elmo-display-progress-threshold))
1835           (setq i (1+ i))
1836           (if (or (zerop (% i 5)) (= i len))
1837               (elmo-display-progress
1838                'wl-summary-delete-messages-on-buffer deleting-info
1839                (/ (* i 100) len))))
1840         (setq msgs (cdr msgs)))
1841       (when (eq wl-summary-buffer-view 'thread)
1842         (wl-thread-update-line-msgs (elmo-uniq-list update-list)
1843                                     (unless deleting-info 'no-msg))
1844         (wl-thread-cleanup-symbols msgs2))
1845       (wl-summary-count-unread)
1846       (wl-summary-update-modeline)
1847       (wl-folder-update-unread
1848        (wl-summary-buffer-folder-name)
1849        (+ wl-summary-buffer-unread-count wl-summary-buffer-new-count)))))
1850
1851 (defun wl-summary-replace-status-marks (before after)
1852   "Replace the status marks on buffer."
1853   (interactive)
1854   (save-excursion
1855     (goto-char (point-min))
1856     (let ((inhibit-read-only t)
1857           (buffer-read-only nil))
1858       (while (not (eobp))
1859         (when (string= (wl-summary-persistent-mark) before)
1860           (delete-backward-char 1)
1861           (insert after)
1862           (if wl-summary-highlight
1863               (wl-highlight-summary-current-line)))
1864         (forward-line 1)))))
1865
1866 (defun wl-summary-get-delete-folder (folder)
1867   (if (string= folder wl-trash-folder)
1868       'null
1869     (let* ((type (or (wl-get-assoc-list-value wl-delete-folder-alist folder)
1870                      'trash)))
1871       (cond ((stringp type)
1872              type)
1873             ((or (equal type 'remove) (equal type 'null))
1874              'null)
1875             (t;; (equal type 'trash)
1876              (let ((trash-folder (wl-folder-get-elmo-folder wl-trash-folder)))
1877                (unless (elmo-folder-exists-p trash-folder)
1878                  (if (y-or-n-p
1879                       (format "Trash Folder %s does not exist, create it? "
1880                               wl-trash-folder))
1881                      (elmo-folder-create trash-folder)
1882                    (error "Trash Folder is not created"))))
1883                wl-trash-folder)))))
1884
1885 (defun wl-summary-get-append-message-func ()
1886   (if (eq wl-summary-buffer-view 'thread)
1887       'wl-summary-insert-thread-entity
1888     'wl-summary-insert-sequential))
1889
1890 (defun wl-summary-sort ()
1891   (interactive)
1892   (wl-summary-rescan
1893    (completing-read
1894     (format "Sort by (%s): " (symbol-name wl-summary-default-sort-spec))
1895     (mapcar (lambda (spec)
1896               (list (symbol-name spec)))
1897             wl-summary-sort-specs)
1898     nil t nil nil (symbol-name wl-summary-default-sort-spec))))
1899
1900 (defun wl-summary-sync-marks ()
1901   "Update marks in summary."
1902   (interactive)
1903   (let ((last-progress 0)
1904         (i 0)
1905         unread-marks importants unreads
1906         importants-in-db unreads-in-db diff diffs
1907         mes progress)
1908     ;; synchronize marks.
1909     (when (not (eq (elmo-folder-type-internal
1910                     wl-summary-buffer-elmo-folder)
1911                    'internal))
1912       (message "Updating marks...")
1913       (setq unread-marks (list wl-summary-unread-cached-mark
1914                                wl-summary-unread-uncached-mark
1915                                wl-summary-new-mark)
1916             importants-in-db (elmo-folder-list-messages-mark-match
1917                               wl-summary-buffer-elmo-folder
1918                               (regexp-quote wl-summary-important-mark))
1919             unreads-in-db (elmo-folder-list-messages-mark-match
1920                            wl-summary-buffer-elmo-folder
1921                            (wl-regexp-opt unread-marks))
1922             importants (elmo-folder-list-importants
1923                         wl-summary-buffer-elmo-folder
1924                         wl-summary-important-mark)
1925             unreads (elmo-folder-list-unreads
1926                      wl-summary-buffer-elmo-folder
1927                      unread-marks))
1928       (setq diff (elmo-list-diff importants importants-in-db))
1929       (setq diffs (cadr diff)) ; important-deletes
1930       (setq mes (format "Updated (-%d" (length diffs)))
1931       (while diffs
1932         (wl-summary-mark-as-important (car diffs)
1933                                       wl-summary-important-mark
1934                                       'no-server)
1935         (setq diffs (cdr diffs)))
1936       (setq diffs (car diff)) ; important-appends
1937       (setq mes (concat mes (format "/+%d) important," (length diffs))))
1938       (while diffs
1939         (wl-summary-mark-as-important (car diffs) " " 'no-server)
1940         (setq diffs (cdr diffs)))
1941       (setq diff (elmo-list-diff unreads unreads-in-db))
1942       (setq diffs (cadr diff))
1943       (setq mes (concat mes (format "(-%d" (length diffs))))
1944       (while diffs
1945         (wl-summary-mark-as-read (car diffs) 'no-folder)
1946         (setq diffs (cdr diffs)))
1947       (setq diffs (car diff)) ; unread-appends
1948       (setq mes (concat mes (format "/+%d) unread mark(s)." (length diffs))))
1949       (while diffs
1950         (wl-summary-mark-as-unread (car diffs) 'no-server 'no-modeline)
1951         (setq diffs (cdr diffs)))
1952       (if (interactive-p) (message mes)))))
1953
1954 (defun wl-summary-sync-update (&optional unset-cursor sync-all no-check)
1955   "Update the summary view to the newest folder status."
1956   (interactive)
1957   (let* ((folder wl-summary-buffer-elmo-folder)
1958          (case-fold-search nil)
1959          (elmo-mime-charset wl-summary-buffer-mime-charset)
1960          (inhibit-read-only t)
1961          (buffer-read-only nil)
1962          gc-message
1963          overview number-alist
1964          curp num i new-msgdb
1965          append-list delete-list crossed
1966          update-thread update-top-list
1967          expunged mes sync-result entity)
1968     (unwind-protect
1969         (progn
1970           (unless wl-summary-buffer-elmo-folder
1971             (error "(Internal error) Folder is not set:%s" (buffer-name
1972                                                             (current-buffer))))
1973           (fset 'wl-summary-append-message-func-internal
1974                 (wl-summary-get-append-message-func))
1975           ;; Flush pending append operations (disconnected operation).
1976           ;;(setq seen-list
1977           ;;(wl-summary-flush-pending-append-operations seen-list))
1978           (goto-char (point-max))
1979           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1980           (setq sync-result (elmo-folder-synchronize
1981                              folder
1982                              wl-summary-new-mark
1983                              wl-summary-unread-uncached-mark
1984                              wl-summary-unread-cached-mark
1985                              wl-summary-read-uncached-mark
1986                              wl-summary-important-mark
1987                              sync-all no-check))
1988           (setq new-msgdb (nth 0 sync-result))
1989           (setq delete-list (nth 1 sync-result))
1990           (setq crossed (nth 2 sync-result))
1991           (if sync-result
1992               (progn
1993                 ;; Setup sync-all
1994                 (if sync-all (wl-summary-sync-all-init))
1995 ;    (if (and has-nntp
1996 ;            (elmo-nntp-max-number-precedes-list-active-p))
1997         ;; XXX this does not work correctly in rare case.
1998 ;       (setq delete-list
1999 ;             (wl-summary-delete-canceled-msgs-from-list
2000 ;              delete-list
2001 ;              (wl-summary-buffer-msgdb))))
2002                 (when delete-list
2003                   (wl-summary-delete-messages-on-buffer delete-list "Deleting...")
2004                   (message "Deleting...done"))
2005                 (when new-msgdb
2006                   (wl-summary-replace-status-marks
2007                    wl-summary-new-mark
2008                    wl-summary-unread-uncached-mark))
2009                 (setq append-list (elmo-msgdb-get-overview new-msgdb))
2010                 (setq curp append-list)
2011                 (setq num (length curp))
2012                 (when append-list
2013                   (setq i 0)
2014
2015                   ;; set these value for append-message-func
2016                   (setq overview (elmo-msgdb-get-overview
2017                                   (elmo-folder-msgdb folder)))
2018                   (setq number-alist (elmo-msgdb-get-number-alist
2019                                       (elmo-folder-msgdb folder)))
2020
2021                   (setq wl-summary-delayed-update nil)
2022                   (elmo-kill-buffer wl-summary-search-buf-name)
2023                   (while curp
2024                     (setq entity (car curp))
2025                     (when (setq update-thread
2026                                 (wl-summary-append-message-func-internal
2027                                  entity (elmo-folder-msgdb folder)
2028                                  (not sync-all)))
2029                       (wl-append update-top-list update-thread))
2030                     (if elmo-use-database
2031                         (elmo-database-msgid-put
2032                          (car entity) (elmo-folder-name-internal folder)
2033                          (elmo-msgdb-overview-entity-get-number entity)))
2034                     (setq curp (cdr curp))
2035                     (when (> num elmo-display-progress-threshold)
2036                       (setq i (+ i 1))
2037                       (if (or (zerop (% i 5)) (= i num))
2038                           (elmo-display-progress
2039                            'wl-summary-sync-update "Updating thread..."
2040                            (/ (* i 100) num)))))
2041                   (when wl-summary-delayed-update
2042                     (while wl-summary-delayed-update
2043                       (message "Parent (%d) of message %d is no entity"
2044                                (caar wl-summary-delayed-update)
2045                                (elmo-msgdb-overview-entity-get-number
2046                                 (cdar wl-summary-delayed-update)))
2047                       (when (setq update-thread
2048                                   (wl-summary-append-message-func-internal
2049                                    (cdar wl-summary-delayed-update)
2050                                    (elmo-folder-msgdb folder)
2051                                    (not sync-all) t))
2052                         (wl-append update-top-list update-thread))
2053                       (setq wl-summary-delayed-update
2054                             (cdr wl-summary-delayed-update))))
2055                   (when (and (eq wl-summary-buffer-view 'thread)
2056                              update-top-list)
2057                     (wl-thread-update-indent-string-thread
2058                      (elmo-uniq-list update-top-list)))
2059                   (message "Updating thread...done"))
2060                 (unless (eq wl-summary-buffer-view 'thread)
2061                   (wl-summary-make-number-list))
2062                 (wl-summary-set-message-modified)
2063                 (wl-summary-set-mark-modified)
2064                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2065                   (elmo-kill-buffer wl-summary-search-buf-name)
2066                   (message "Inserting thread...")
2067                   (wl-thread-insert-top)
2068                   (message "Inserting thread...done"))
2069                 (if elmo-use-database
2070                     (elmo-database-close))
2071                 (run-hooks 'wl-summary-sync-updated-hook)
2072                 (setq mes
2073                       (if (and (eq (length delete-list) 0)
2074                                (eq num 0))
2075                           (format
2076                            "No updates for \"%s\"" (elmo-folder-name-internal
2077                                                     folder))
2078                         (format "Updated (-%d/+%d) message(s)"
2079                                 (length delete-list) num))))
2080             (setq mes "Quit updating.")))
2081       ;; synchronize marks.
2082       (if (and wl-summary-auto-sync-marks sync-result)
2083           (wl-summary-sync-marks))
2084       ;; scoring
2085       (when wl-use-scoring
2086         (setq wl-summary-scored nil)
2087         (wl-summary-score-headers nil (wl-summary-buffer-msgdb)
2088                                   (and sync-all
2089                                        (wl-summary-rescore-msgs number-alist))
2090                                   sync-all)
2091         (when (and wl-summary-scored
2092                    (setq expunged (wl-summary-score-update-all-lines)))
2093           (setq mes (concat mes
2094                             (format " (%d expunged)"
2095                                     (length expunged))))))
2096       (if (and crossed (> crossed 0))
2097           (setq mes
2098                 (if mes
2099                     (concat mes
2100                             (format " (%d crosspost)" crossed))
2101                   (format "%d crosspost message(s)" crossed)))
2102         (and mes (setq mes (concat mes "."))))
2103       ;; Update Folder mode
2104       (wl-folder-set-folder-updated
2105        (elmo-folder-name-internal folder)
2106        (list 0
2107              (let ((pair (wl-summary-count-unread)))
2108                (+ (car pair) (cdr pair)))
2109              (elmo-folder-messages folder)))
2110       (wl-summary-update-modeline)
2111       ;;
2112       (unless unset-cursor
2113         (goto-char (point-min))
2114         (if (not (wl-summary-cursor-down t))
2115             (progn
2116               (goto-char (point-max))
2117               (forward-line -1))
2118           (if (and wl-summary-highlight
2119                    (not (get-text-property (point) 'face)))
2120               (save-excursion
2121                 (forward-line (- 0
2122                                  (or
2123                                   wl-summary-partial-highlight-above-lines
2124                                   wl-summary-highlight-partial-threshold)))
2125                 (wl-highlight-summary (point) (point-max))))))
2126       (setq wl-summary-buffer-msgdb (elmo-folder-msgdb folder))
2127       (wl-delete-all-overlays)
2128       (set-buffer-modified-p nil)
2129       (if mes (message "%s" mes)))))
2130
2131 (defun wl-summary-set-score-mark (mark)
2132   (save-excursion
2133     (beginning-of-line)
2134     (let ((inhibit-read-only t)
2135           (buffer-read-only nil)
2136           msg-num
2137           cur-mark)
2138       (setq msg-num (wl-summary-message-number))
2139       (setq cur-mark (wl-summary-temp-mark))
2140       (when (member cur-mark (list " "
2141                                    wl-summary-score-below-mark
2142                                    wl-summary-score-over-mark))
2143         (delete-backward-char 1)
2144         (insert mark)
2145         (if wl-summary-highlight
2146             (wl-highlight-summary-current-line nil nil t))
2147         (set-buffer-modified-p nil)))))
2148
2149 (defun wl-summary-get-score-mark (msg-num)
2150   (let ((score (cdr (assq msg-num wl-summary-scored))))
2151     (if score
2152         (cond ((< score wl-summary-default-score)
2153                "-")
2154               ((> score wl-summary-default-score)
2155                "+")))))
2156
2157 (defun wl-summary-update-modeline ()
2158   (setq wl-summary-buffer-mode-line
2159         (funcall wl-summary-buffer-mode-line-formatter)))
2160
2161 (defun wl-summary-jump-to-msg (&optional number)
2162   (interactive)
2163   (let ((num (or number
2164                  (string-to-int
2165                   (read-from-minibuffer "Jump to Message(No.): ")))))
2166     (setq num (int-to-string num))
2167     (beginning-of-line)
2168     (if (or (and (re-search-forward (concat "\r" num "[^0-9]") nil t)
2169                  (progn (backward-char 1) t))
2170             (re-search-backward (concat "\r" num "[^0-9]") nil t))
2171         (progn (beginning-of-line) t)
2172       nil)))
2173
2174 (defun wl-summary-highlight-msgs (msgs)
2175   (save-excursion
2176     (let ((len (length msgs))
2177           i)
2178       (message "Hilighting...")
2179       (setq i 0)
2180       (while msgs
2181         (if (wl-summary-jump-to-msg (car msgs))
2182             (wl-highlight-summary-current-line))
2183         (setq msgs (cdr msgs))
2184         (when (> len elmo-display-progress-threshold)
2185           (setq i (+ i 1))
2186           (if (or (zerop (% i 5)) (= i len))
2187               (elmo-display-progress
2188                'wl-summary-highlight-msgs "Highlighting..."
2189                (/ (* i 100) len)))))
2190       (message "Highlighting...done"))))
2191
2192 (defun wl-summary-message-number ()
2193   (save-excursion
2194     (beginning-of-line)
2195     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2196             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2197         (string-to-int (wl-match-buffer 1))
2198       nil)))
2199
2200 (defun wl-summary-delete-all-msgs ()
2201   (interactive)
2202   (let ((cur-buf (current-buffer))
2203         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2204     (set-buffer cur-buf)
2205     (if (null dels)
2206         (message "No message to delete.")
2207       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2208                             (wl-summary-buffer-folder-name)
2209                             (length dels)))
2210           (progn
2211             (message "Deleting...")
2212             (elmo-folder-delete-messages
2213              wl-summary-buffer-elmo-folder dels)
2214             (elmo-msgdb-delete-msgs (wl-summary-buffer-msgdb)
2215                                     dels)
2216 ;;;         (elmo-msgdb-save (wl-summary-buffer-folder-name) nil)
2217             (wl-summary-set-message-modified)
2218             (wl-summary-set-mark-modified)
2219             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2220                                           (list 0 0 0))
2221 ;;; for thread.
2222 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2223             (setq wl-summary-buffer-unread-count 0)
2224             (setq wl-summary-buffer-new-count    0)
2225             (wl-summary-update-modeline)
2226             (set-buffer cur-buf)
2227             (let ((inhibit-read-only t)
2228                   (buffer-read-only nil))
2229               (erase-buffer))
2230 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2231             (message "Deleting...done")
2232             t)
2233         nil))))
2234
2235 (defun wl-summary-toggle-thread (&optional arg)
2236   "Toggle thread status (T)hread and (S)equential.
2237 If ARG, without confirm."
2238   (interactive "P")
2239   (when (or arg
2240             (y-or-n-p (format "Toggle threading? (y=%s): "
2241                               (if (eq wl-summary-buffer-view 'thread)
2242                                   "\"off\"" "\"on\""))))
2243     (if (eq wl-summary-buffer-view 'thread)
2244         (setq wl-summary-buffer-view 'sequence)
2245       (setq wl-summary-buffer-view 'thread))
2246     (wl-summary-update-modeline)
2247     (force-mode-line-update)
2248     (wl-summary-rescan)))
2249
2250 (defun wl-summary-load-file-object (filename)
2251   "Load lisp object from dir."
2252   (save-excursion
2253     (let ((tmp-buffer (get-buffer-create " *wl-summary-load-file-object*"))
2254           insert-file-contents-pre-hook   ; To avoid autoconv-xmas...
2255           insert-file-contents-post-hook
2256           ret-val)
2257       (if (not (file-readable-p filename))
2258           ()
2259         (set-buffer tmp-buffer)
2260         (as-binary-input-file (insert-file-contents filename))
2261         (setq ret-val
2262               (condition-case nil
2263                   (read (current-buffer))
2264                 (error (error "Reading failed")))))
2265       (kill-buffer tmp-buffer)
2266       ret-val)))
2267
2268 (defun wl-summary-goto-folder (&optional arg)
2269   (interactive "P")
2270   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2271
2272 (defun wl-summary-goto-folder-sticky ()
2273   (interactive)
2274   (wl-summary-goto-folder-subr nil nil nil t t))
2275
2276 (defun wl-summary-goto-last-visited-folder ()
2277   (interactive)
2278   (let ((entity
2279          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2280                                           wl-folder-entity
2281                                           'folder)))
2282     (if entity (wl-folder-set-current-entity-id
2283                 (wl-folder-get-entity-id entity))))
2284   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2285
2286 (defun wl-summary-sticky-p (&optional folder)
2287   (if folder
2288       (get-buffer (wl-summary-sticky-buffer-name
2289                    (elmo-folder-name-internal folder)))
2290     (not (string= wl-summary-buffer-name (buffer-name)))))
2291
2292 (defun wl-summary-always-sticky-folder-p (folder)
2293   (or (eq t wl-summary-always-sticky-folder-list)
2294       (wl-string-match-member
2295        (elmo-folder-name-internal folder)
2296        wl-summary-always-sticky-folder-list)))
2297
2298 (defun wl-summary-stick (&optional force)
2299   "Make current summary buffer sticky."
2300   (interactive "P")
2301   (if (wl-summary-sticky-p)
2302       (message "Current summary buffer is already sticky.")
2303     (when (or force (y-or-n-p "Stick current summary buffer? "))
2304       (wl-summary-toggle-disp-msg 'off)
2305       (wl-summary-switch-to-clone-buffer
2306        (wl-summary-sticky-buffer-name
2307         (wl-summary-buffer-folder-name)))
2308 ;;; ???hang up
2309 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2310 ;;;                   (wl-summary-buffer-folder-name))))
2311       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2312
2313 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2314   (let ((cur-buf (current-buffer))
2315         (msg (wl-summary-message-number))
2316         (buf (get-buffer-create buffer-name))
2317         (folder wl-summary-buffer-elmo-folder)
2318         (copy-variables
2319          (append '(wl-summary-buffer-view
2320                    wl-summary-buffer-refile-list
2321                    wl-summary-buffer-delete-list
2322                    wl-summary-buffer-copy-list
2323                    wl-summary-buffer-target-mark-list
2324                    wl-summary-buffer-elmo-folder
2325                    wl-summary-buffer-number-column
2326                    wl-summary-buffer-temp-mark-column
2327                    wl-summary-buffer-persistent-mark-column
2328                    wl-summary-buffer-message-modified
2329                    wl-summary-buffer-mark-modified
2330                    wl-summary-buffer-thread-modified
2331                    wl-summary-buffer-number-list
2332                    wl-summary-buffer-msgdb
2333                    wl-summary-buffer-folder-name
2334                    wl-summary-buffer-line-formatter)
2335                  (and (eq wl-summary-buffer-view 'thread)
2336                       '(wl-thread-entity-hashtb
2337                         wl-thread-entities
2338                         wl-thread-entity-list))
2339                  (and wl-use-scoring
2340                       '(wl-summary-scored
2341                         wl-summary-default-score
2342                         wl-summary-important-above
2343                         wl-summary-target-above
2344                         wl-summary-mark-below
2345                         wl-summary-expunge-below))
2346                  (and (featurep 'wl-score)
2347                       '(wl-current-score-file
2348                         wl-score-alist)))))
2349     (set-buffer buf)
2350     (wl-summary-mode)
2351     (wl-summary-buffer-set-folder folder)
2352     (let ((buffer-read-only nil))
2353       (insert-buffer cur-buf))
2354     (set-buffer-modified-p nil)
2355     (while copy-variables
2356       (set (car copy-variables)
2357            (save-excursion
2358              (set-buffer cur-buf)
2359              (symbol-value (car copy-variables))))
2360       (setq copy-variables (cdr copy-variables)))
2361     (switch-to-buffer buf)
2362     (kill-buffer cur-buf)
2363     (wl-summary-count-unread)
2364     (wl-summary-update-modeline)
2365     (if msg
2366         (if (eq wl-summary-buffer-view 'thread)
2367             (wl-thread-jump-to-msg msg)
2368           (wl-summary-jump-to-msg msg))
2369       (goto-char (point-max))
2370       (beginning-of-line))))
2371
2372 (defun wl-summary-get-buffer (folder)
2373   (or (and folder
2374            (get-buffer (wl-summary-sticky-buffer-name folder)))
2375       (get-buffer wl-summary-buffer-name)))
2376
2377 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2378   (if force-sticky
2379       (get-buffer-create
2380        (wl-summary-sticky-buffer-name name))
2381     (or (get-buffer (wl-summary-sticky-buffer-name name))
2382         (get-buffer-create wl-summary-buffer-name))))
2383
2384 (defun wl-summary-make-number-list ()
2385   (setq wl-summary-buffer-number-list
2386         (mapcar
2387          (lambda (x) (elmo-msgdb-overview-entity-get-number x))
2388          (elmo-msgdb-get-overview (wl-summary-buffer-msgdb)))))
2389
2390 (defun wl-summary-auto-select-msg-p (unread-msg)
2391   (and unread-msg
2392        (not (string=
2393              (elmo-msgdb-get-mark
2394               (wl-summary-buffer-msgdb)
2395               unread-msg)
2396              wl-summary-important-mark))))
2397
2398 (defsubst wl-summary-open-folder (folder)
2399   ;; Select folder
2400   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2401     (unwind-protect
2402         (elmo-folder-open folder 'load-msgdb)
2403       ;; For compatibility
2404       (setq wl-summary-buffer-msgdb (elmo-folder-msgdb folder))
2405       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2406                                            folder)))))
2407
2408 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2409                                               sticky interactive scoring
2410                                               force-exit)
2411   "Display target folder on summary."
2412   (interactive)
2413   (let* ((keep-cursor (memq this-command
2414                             wl-summary-keep-cursor-command))
2415          (name (or name (wl-summary-read-folder wl-default-folder)))
2416          (cur-fld wl-summary-buffer-elmo-folder)
2417          folder buf mes hilit reuse-buf
2418          retval entity)
2419     (if (string= name "")
2420         (setq name wl-default-folder))
2421     (setq folder (wl-folder-get-elmo-folder name))
2422     (when (and (not (string=
2423                      (and cur-fld (elmo-folder-name-internal cur-fld))
2424                      (elmo-folder-name-internal folder))) ; folder is moved.
2425                (eq major-mode 'wl-summary-mode)) ; called in summary.
2426       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2427       (run-hooks 'wl-summary-exit-pre-hook)
2428       (if (or force-exit (not (wl-summary-sticky-p)))
2429           (wl-summary-cleanup-temp-marks (wl-summary-sticky-p)))
2430       (wl-summary-save-view)
2431       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2432       (if (and (wl-summary-sticky-p) force-exit)
2433           (kill-buffer (current-buffer))))
2434     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2435                                             sticky))
2436     (setq reuse-buf
2437           (save-excursion
2438             (set-buffer buf)
2439             (string= (elmo-folder-name-internal folder)
2440                      (wl-summary-buffer-folder-name))))
2441     (unwind-protect
2442         (if reuse-buf
2443             (if interactive
2444                 (switch-to-buffer buf)
2445               (set-buffer buf))
2446           (if other-window
2447               (delete-other-windows))
2448           (set-buffer buf)
2449           (unless (eq major-mode 'wl-summary-mode)
2450             (wl-summary-mode))
2451           (wl-summary-buffer-set-folder folder)
2452           (setq wl-summary-buffer-disp-msg nil)
2453           (setq wl-summary-buffer-last-displayed-msg nil)
2454           (setq wl-summary-buffer-current-msg nil)
2455           (let ((case-fold-search nil)
2456                 (inhibit-read-only t)
2457                 (buffer-read-only nil))
2458             (erase-buffer)
2459             ;; Resume summary view
2460             (if wl-summary-cache-use
2461                 (let* ((dir (elmo-folder-msgdb-path folder))
2462                        (cache (expand-file-name wl-summary-cache-file dir))
2463                        (view (expand-file-name wl-summary-view-file dir)))
2464                   (when (file-exists-p cache)
2465                     (insert-file-contents-as-binary cache)
2466                     (elmo-set-buffer-multibyte
2467                      default-enable-multibyte-characters)
2468                     (decode-mime-charset-region
2469                      (point-min)(point-max)
2470                      wl-summary-buffer-mime-charset 'LF))
2471                   (if (file-exists-p view)
2472                       (setq wl-summary-buffer-view
2473                             (wl-summary-load-file-object view))
2474                     (setq wl-summary-buffer-view
2475                           (or (wl-get-assoc-list-value
2476                                wl-summary-default-view-alist
2477                                (elmo-folder-name-internal folder))
2478                               wl-summary-default-view)))
2479                   (wl-thread-resume-entity folder)
2480                   (wl-summary-open-folder folder))
2481               (setq wl-summary-buffer-view
2482                     (wl-summary-load-file-object
2483                      (expand-file-name wl-summary-view-file
2484                                        (elmo-folder-msgdb-path folder))))
2485               (wl-summary-open-folder folder)
2486               (wl-summary-rescan))
2487             (wl-summary-count-unread)
2488             (wl-summary-update-modeline)))
2489       (unless (eq wl-summary-buffer-view 'thread)
2490         (wl-summary-make-number-list))
2491       (when (and wl-summary-cache-use
2492                  (or (and wl-summary-check-line-format
2493                           (wl-summary-line-format-changed-p))
2494                      (wl-summary-view-old-p)))
2495         (wl-summary-rescan))
2496       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2497       (unless (and reuse-buf keep-cursor)
2498         ;(setq hilit wl-summary-highlight)
2499         (unwind-protect
2500             (let ((wl-summary-highlight (if reuse-buf wl-summary-highlight))
2501                   (wl-use-scoring
2502                    (if (or scoring interactive) wl-use-scoring)))
2503               (if (and (not scan-type)
2504                        interactive
2505                        (not wl-ask-range))
2506                   (setq scan-type (wl-summary-get-sync-range folder)))
2507               (cond
2508                ((eq scan-type nil)
2509                 (wl-summary-sync 'unset-cursor))
2510                ((eq scan-type 'all)
2511                 (wl-summary-sync 'unset-cursor "all"))
2512                ((eq scan-type 'no-sync))
2513                ((or (eq scan-type 'force-update)
2514                     (eq scan-type 'update))
2515                 (setq mes (wl-summary-sync-force-update
2516                            'unset-cursor 'no-check)))))
2517           (if interactive
2518               (switch-to-buffer buf)
2519             (set-buffer buf))
2520           ;; stick always-sticky-folder
2521           (when (wl-summary-always-sticky-folder-p folder)
2522             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2523           (run-hooks 'wl-summary-prepared-pre-hook)
2524           (set-buffer-modified-p nil)
2525           (goto-char (point-min))
2526           (if (wl-summary-cursor-down t)
2527               (let ((unreadp (wl-summary-next-message
2528                               (wl-summary-message-number)
2529                               'down t)))
2530                 (cond ((and wl-auto-select-first
2531                             (wl-summary-auto-select-msg-p unreadp))
2532                        ;; wl-auto-select-first is non-nil and
2533                        ;; unreadp is non-nil but not important
2534                        (setq retval 'disp-msg))
2535                       ((and wl-auto-prefetch-first
2536                             (wl-summary-auto-select-msg-p unreadp))
2537                        ;; wl-auto-select-first is non-nil and
2538                        ;; unreadp is non-nil but not important
2539                        (setq retval 'prefetch-msg))
2540                       ((not (wl-summary-auto-select-msg-p unreadp))
2541                        ;; unreadp is nil or important
2542                        (setq retval 'more-next))))
2543             (goto-char (point-max))
2544             (if (elmo-folder-plugged-p folder)
2545                 (forward-line -1)
2546               (wl-summary-prev))
2547             (setq retval 'more-next))
2548           ;(setq wl-summary-highlight hilit)
2549           (if (and wl-summary-highlight
2550                    (not wl-summary-lazy-highlight)
2551                    (not reuse-buf))
2552               (if (and wl-summary-highlight-partial-threshold
2553                        (> (count-lines (point-min) (point-max))
2554                           wl-summary-highlight-partial-threshold))
2555                   (save-excursion
2556                     (forward-line (-
2557                                    0
2558                                    (or
2559                                     wl-summary-partial-highlight-above-lines
2560                                     wl-summary-highlight-partial-threshold)))
2561                     (wl-highlight-summary (point) (point-max)))
2562                 (wl-highlight-summary (point-min) (point-max))))
2563           (if (eq retval 'disp-msg)
2564               (wl-summary-redisplay))
2565           (if (eq retval 'prefetch-msg)
2566               (wl-message-buffer-prefetch
2567                folder
2568                (wl-summary-message-number)
2569                wl-message-buffer-prefetch-depth
2570                (current-buffer)
2571                wl-summary-buffer-mime-charset))
2572           (if mes (message "%s" mes))
2573           (if (and interactive wl-summary-recenter)
2574               (recenter (/ (- (window-height) 2) 2))))))
2575     ;; set current entity-id
2576     (if (and (not folder)
2577              (setq entity
2578                    (wl-folder-search-entity-by-name (elmo-folder-name-internal
2579                                                      folder)
2580                                                     wl-folder-entity
2581                                                     'folder)))
2582         ;; entity-id is unknown.
2583         (wl-folder-set-current-entity-id
2584          (wl-folder-get-entity-id entity)))
2585     (when (and wl-summary-lazy-highlight
2586                wl-on-xemacs)
2587       (sit-for 0))
2588     (unwind-protect
2589         (run-hooks 'wl-summary-prepared-hook)
2590       (set-buffer-modified-p nil))
2591     retval))
2592
2593 (defun wl-summary-goto-previous-message-beginning ()
2594   (end-of-line)
2595   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2596   (beginning-of-line))
2597
2598 (defun wl-summary-goto-top-of-current-thread ()
2599   (wl-summary-jump-to-msg
2600    (wl-thread-entity-get-number
2601     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2602                                       (wl-summary-message-number))))))
2603
2604 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2605   (interactive)
2606   (let ((depth (or depth
2607                    (wl-thread-get-depth-of-current-line))))
2608     (forward-line 1)
2609     (while (and (not (eobp))
2610                 (>= (wl-thread-get-depth-of-current-line)
2611                     depth))
2612       (forward-line 1))
2613     (beginning-of-line)))
2614
2615 (defun wl-summary-insert-line (line)
2616   "Insert LINE in the Summary."
2617   (if wl-use-highlight-mouse-line
2618       ;; remove 'mouse-face of current line.
2619       (put-text-property
2620        (save-excursion (beginning-of-line)(point))
2621        (save-excursion (end-of-line)(point))
2622        'mouse-face nil))
2623   (insert line "\n")
2624   (if wl-use-highlight-mouse-line
2625       ;; remove 'mouse-face of current line.
2626       (put-text-property
2627        (save-excursion (beginning-of-line)(point))
2628        (save-excursion (end-of-line)(point))
2629        'mouse-face nil))
2630   (ignore-errors
2631     (run-hooks 'wl-summary-line-inserted-hook)))
2632
2633 (defun wl-summary-insert-sequential (entity msgdb &rest args)
2634   (let ((inhibit-read-only t)
2635         buffer-read-only)
2636     (goto-char (point-max))
2637     (wl-summary-insert-line
2638      (wl-summary-create-line entity nil nil
2639                              (elmo-msgdb-get-mark
2640                               msgdb
2641                               (elmo-msgdb-overview-entity-get-number
2642                                entity))))))
2643
2644 (defun wl-summary-default-subject-filter (subject)
2645   (let ((case-fold-search t))
2646     (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2647     (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2648     (elmo-replace-in-string subject "^\\[.*\\]" "")))
2649
2650 (defun wl-summary-subject-equal (subject1 subject2)
2651   (string= (funcall wl-summary-subject-filter-function subject1)
2652            (funcall wl-summary-subject-filter-function subject2)))
2653
2654 (defmacro wl-summary-put-alike (alike)
2655   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2656                         (, alike)
2657                         wl-summary-alike-hashtb)))
2658
2659 (defmacro wl-summary-get-alike ()
2660   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2661                         wl-summary-alike-hashtb)))
2662
2663 (defun wl-summary-insert-headers (overview func mime-decode)
2664   (message "Creating subject cache...")
2665   (let (ov this last alike)
2666     (buffer-disable-undo (current-buffer))
2667     (make-local-variable 'wl-summary-alike-hashtb)
2668     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length overview) 2)))
2669     (when mime-decode
2670       (elmo-set-buffer-multibyte default-enable-multibyte-characters))
2671     (while (setq ov (pop overview))
2672       (setq this (funcall func ov))
2673       (and this (setq this (std11-unfold-string this)))
2674       (if (equal last this)
2675           (wl-append alike (list ov))
2676         (when last
2677           (wl-summary-put-alike alike)
2678           (insert last ?\n))
2679         (setq alike (list ov)
2680               last this)))
2681     (when last
2682       (wl-summary-put-alike alike)
2683       (insert last ?\n))
2684     (when mime-decode
2685       (decode-mime-charset-region (point-min) (point-max)
2686                                   elmo-mime-charset)
2687       (when (eq mime-decode 'mime)
2688         (eword-decode-region (point-min) (point-max))))
2689     (message "Creating subject cache...done")
2690     (run-hooks 'wl-summary-insert-headers-hook)))
2691
2692 (defun wl-summary-search-by-subject (entity overview)
2693   (let ((summary-buf (current-buffer))
2694         (buf (get-buffer-create wl-summary-search-buf-name))
2695         (folder-name (wl-summary-buffer-folder-name))
2696         match founds found-entity)
2697     (with-current-buffer buf
2698       (let ((case-fold-search t))
2699         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2700                   (zerop (buffer-size)))
2701           (setq wl-summary-search-buf-folder-name folder-name)
2702           (wl-summary-insert-headers
2703            overview
2704            (function
2705             (lambda (x)
2706               (funcall wl-summary-subject-filter-function
2707                (elmo-msgdb-overview-entity-get-subject-no-decode x))))
2708            t))
2709         (setq match (funcall wl-summary-subject-filter-function
2710                              (elmo-msgdb-overview-entity-get-subject entity)))
2711         (if (string= match "")
2712             (setq match "\n"))
2713         (goto-char (point-min))
2714         (while (and (not founds)
2715                     (not (= (point) (point-max)))
2716                     (search-forward match nil t))
2717           ;; check exactly match
2718           (when (and (eolp)
2719                      (= (point-at-bol)
2720                         (match-beginning 0)))
2721             (setq found-entity (wl-summary-get-alike))
2722             (if (and found-entity
2723                      ;; Is founded entity myself or children?
2724                      (not (string=
2725                            (elmo-msgdb-overview-entity-get-id entity)
2726                            (elmo-msgdb-overview-entity-get-id
2727                             (car found-entity))))
2728                      (with-current-buffer summary-buf
2729                        (not (wl-thread-descendant-p
2730                              (elmo-msgdb-overview-entity-get-number entity)
2731                              (elmo-msgdb-overview-entity-get-number
2732                               (car found-entity))))))
2733                 ;; return matching entity
2734                 (setq founds found-entity))))
2735         (if founds
2736             (car founds))))))
2737
2738 (defun wl-summary-insert-thread-entity (entity msgdb update
2739                                                &optional force-insert)
2740   (let* ((overview (elmo-msgdb-get-overview msgdb))
2741          this-id
2742          parent-entity
2743          parent-number
2744          (case-fold-search t)
2745          cur number overview2 cur-entity linked retval delayed-entity
2746          update-list entity-stack)
2747     (while entity
2748       (setq this-id (elmo-msgdb-overview-entity-get-id entity)
2749             parent-entity
2750             (elmo-msgdb-get-parent-entity entity msgdb)
2751             parent-number (elmo-msgdb-overview-entity-get-number
2752                            parent-entity))
2753       (setq number (elmo-msgdb-overview-entity-get-number entity))
2754       ;; If thread loop detected, set parent as nil.
2755       (setq cur entity)
2756       (while cur
2757         (if (eq number (elmo-msgdb-overview-entity-get-number
2758                         (setq cur
2759                               (elmo-msgdb-get-parent-entity cur msgdb))))
2760             (setq parent-number nil
2761                   cur nil)))
2762       (if (and parent-number
2763                (not (wl-thread-get-entity parent-number))
2764                (not force-insert))
2765           ;; parent exists in overview, but not in wl-thread-entities
2766           (progn
2767             (wl-append wl-summary-delayed-update
2768                        (list (cons parent-number entity)))
2769             (setq entity nil)) ;; exit loop
2770         ;; Search parent by subject.
2771         (when (and (null parent-number)
2772                    wl-summary-search-parent-by-subject-regexp
2773                    (string-match
2774                     wl-summary-search-parent-by-subject-regexp
2775                     (elmo-msgdb-overview-entity-get-subject entity)))
2776           (let ((found (wl-summary-search-by-subject entity overview)))
2777             (when (and found
2778                        (not (member found wl-summary-delayed-update)))
2779               (setq parent-entity found)
2780               (setq parent-number
2781                     (elmo-msgdb-overview-entity-get-number parent-entity))
2782               (setq linked t))))
2783         ;; If subject is change, divide thread.
2784         (if (and parent-number
2785                  wl-summary-divide-thread-when-subject-changed
2786                  (not (wl-summary-subject-equal
2787                        (or (elmo-msgdb-overview-entity-get-subject
2788                             entity) "")
2789                        (or (elmo-msgdb-overview-entity-get-subject
2790                             parent-entity) ""))))
2791             (setq parent-number nil))
2792         (setq retval
2793               (wl-thread-insert-message entity
2794                                         number parent-number update linked))
2795         (and retval
2796              (wl-append update-list (list retval)))
2797         (setq entity nil) ; exit loop
2798         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2799           (setq wl-summary-delayed-update
2800                 (delq delayed-entity wl-summary-delayed-update))
2801           ;; update delayed message
2802           (wl-append entity-stack (list (cdr delayed-entity)))))
2803       (if (and (not entity)
2804                entity-stack)
2805           (setq entity (pop entity-stack))))
2806     update-list))
2807
2808 (defun wl-summary-update-thread (entity
2809                                  thr-entity
2810                                  parent-entity)
2811   (let* ((this-id (elmo-msgdb-overview-entity-get-id entity))
2812          (overview-entity entity)
2813          (parent-id (elmo-msgdb-overview-entity-get-id parent-entity))
2814          (number (elmo-msgdb-overview-entity-get-number entity))
2815          (parent-number (elmo-msgdb-overview-entity-get-number parent-entity)))
2816     (cond
2817      ((or (not parent-id)
2818           (string= this-id parent-id))
2819       (goto-char (point-max))
2820       (beginning-of-line))
2821      ;; parent already exists in buffer.
2822      ((wl-summary-jump-to-msg parent-number)
2823       (wl-thread-goto-bottom-of-sub-thread)))
2824     (let ((inhibit-read-only t)
2825           (buffer-read-only nil))
2826       (wl-summary-insert-line
2827        (wl-summary-create-line
2828         entity
2829         parent-entity
2830         nil
2831         (elmo-msgdb-get-mark (wl-summary-buffer-msgdb) number)
2832         (wl-thread-maybe-get-children-num number)
2833         (wl-thread-make-indent-string thr-entity)
2834         (wl-thread-entity-get-linked thr-entity))))))
2835
2836 (defun wl-summary-mark-as-unread (&optional number
2837                                             no-server-update
2838                                             no-modeline-update)
2839   (interactive)
2840   (save-excursion
2841     (let* (eol
2842           (inhibit-read-only t)
2843           (buffer-read-only nil)
2844           (folder wl-summary-buffer-elmo-folder)
2845           (msgdb (wl-summary-buffer-msgdb))
2846 ;;;       (number-alist (elmo-msgdb-get-number-alist msgdb))
2847           new-mark visible mark cur-mark)
2848       (if number
2849           (progn
2850             (setq visible (wl-summary-jump-to-msg number))
2851             (unless (setq mark (elmo-msgdb-get-mark msgdb number))
2852               (setq mark " ")))
2853         ;; interactive
2854         (setq visible t))
2855       (when visible
2856         (if (null (wl-summary-message-number))
2857             (message "No message.")
2858           (end-of-line)
2859           (setq eol (point))
2860           (wl-summary-goto-previous-message-beginning)))
2861       (if (or (and (not visible)
2862                    ;; already exists in msgdb.
2863                    (elmo-msgdb-overview-get-entity number msgdb))
2864               (progn
2865                 ;; visible.
2866                 (setq cur-mark (wl-summary-persistent-mark))
2867                 (or (string= cur-mark " ")
2868                     (string= cur-mark wl-summary-read-uncached-mark))))
2869           (progn
2870             (setq number (or number (wl-summary-message-number)))
2871             (setq mark (or mark cur-mark))
2872             (save-match-data
2873               (setq new-mark (if (string= mark
2874                                           wl-summary-read-uncached-mark)
2875                                  wl-summary-unread-uncached-mark
2876                                (if (elmo-message-use-cache-p folder number)
2877                                    wl-summary-unread-mark
2878                                  wl-summary-unread-uncached-mark))))
2879             ;; server side mark
2880             (unless no-server-update
2881               (save-match-data
2882                 (unless (elmo-folder-unmark-read folder (list number))
2883                   (error "Setting mark failed"))))
2884             (when visible
2885               (delete-backward-char 1)
2886               (insert new-mark))
2887             (elmo-msgdb-set-mark msgdb number new-mark)
2888             (unless no-modeline-update
2889               (setq wl-summary-buffer-unread-count
2890                     (+ 1 wl-summary-buffer-unread-count))
2891               (wl-summary-update-modeline)
2892               (wl-folder-update-unread
2893                (wl-summary-buffer-folder-name)
2894                (+ wl-summary-buffer-unread-count
2895                   wl-summary-buffer-new-count)))
2896             (wl-summary-set-mark-modified)
2897             (if (and visible wl-summary-highlight)
2898                 (wl-highlight-summary-current-line))))))
2899   (set-buffer-modified-p nil))
2900
2901 (defun wl-summary-delete (&optional number)
2902   "Mark a delete mark 'D'.
2903 If optional argument NUMBER is specified, mark message specified by NUMBER."
2904   (interactive)
2905   (let* ((buffer-num (wl-summary-message-number))
2906          (msg-num (or number buffer-num))
2907          mark)
2908     (catch 'done
2909       (when (null msg-num)
2910         (if (interactive-p)
2911             (message "No message."))
2912         (throw 'done nil))
2913       (when (setq mark (wl-summary-get-mark msg-num))
2914         (when (wl-summary-reserve-temp-mark-p mark)
2915           (if (interactive-p)
2916               (error "Already marked as `%s'" mark))
2917           (throw 'done nil))
2918         (wl-summary-unmark msg-num))
2919       (if (or (interactive-p)
2920               (eq number buffer-num))
2921           (wl-summary-mark-line "D"))
2922       (setq wl-summary-buffer-delete-list
2923             (cons msg-num wl-summary-buffer-delete-list))
2924       (if (interactive-p)
2925           (if (eq wl-summary-move-direction-downward nil)
2926               (wl-summary-prev)
2927             (wl-summary-next)))
2928       msg-num)))
2929
2930 (defun wl-summary-remove-destination ()
2931   (save-excursion
2932     (let ((inhibit-read-only t)
2933           (buffer-read-only nil)
2934           (buf (current-buffer))
2935           sol eol rs re)
2936       (beginning-of-line)
2937       (setq sol (point))
2938       (search-forward "\r")
2939       (forward-char -1)
2940       (setq eol (point))
2941       (setq rs (next-single-property-change sol 'wl-summary-destination
2942                                             buf eol))
2943       (setq re (next-single-property-change rs 'wl-summary-destination
2944                                             buf eol))
2945       (put-text-property rs re 'wl-summary-destination nil)
2946       (put-text-property rs re 'invisible nil)
2947       (goto-char re)
2948       (delete-char (- eol re)))))
2949
2950 (defun wl-summary-check-mark (msg mark)
2951   (let ((check-func (cond ((string= mark "o")
2952                            'wl-summary-msg-marked-as-refiled)
2953                           ((string= mark "O")
2954                            'wl-summary-msg-marked-as-copied)
2955                           ((string= mark "D")
2956                            'wl-summary-msg-marked-as-deleted)
2957                           ((string= mark "*")
2958                            'wl-summary-msg-marked-as-target))))
2959     (if check-func
2960         (funcall check-func msg))))
2961
2962 (defun wl-summary-mark-collect (mark &optional begin end)
2963   (save-excursion
2964     (save-restriction
2965       (let (msglist)
2966         (narrow-to-region (or begin (point-min))
2967                           (or end (point-max)))
2968         (goto-char (point-min))
2969         ;; for thread...
2970         (if (eq wl-summary-buffer-view 'thread)
2971             (progn
2972               (while (not (eobp))
2973                 (let* ((number (wl-summary-message-number))
2974                        (entity (wl-thread-get-entity number))
2975                        result)
2976                   ;; opened...only myself is checked.
2977                   (if (wl-summary-check-mark number mark)
2978                       (wl-append msglist (list number)))
2979                   (unless (wl-thread-entity-get-opened entity)
2980                     ;; closed...children is also checked.
2981                     (if (setq result (wl-thread-get-children-msgs-with-mark
2982                                       number
2983                                       mark))
2984                         (wl-append msglist result)))
2985                   (forward-line 1)))
2986               (elmo-uniq-list msglist))
2987           (while (not (eobp))
2988             (when (string= (wl-summary-temp-mark) mark)
2989               (setq msglist (cons (wl-summary-message-number) msglist)))
2990             (forward-line 1)))))))
2991
2992 (defun wl-summary-exec ()
2993   (interactive)
2994   (wl-summary-exec-subr (mapcar 'car wl-summary-buffer-refile-list)
2995                         (reverse wl-summary-buffer-delete-list)
2996                         (mapcar 'car wl-summary-buffer-copy-list)))
2997
2998 (defun wl-summary-exec-region (beg end)
2999   (interactive "r")
3000   (message "Collecting marks ...")
3001   (save-excursion
3002     (goto-char beg)
3003     (beginning-of-line)
3004     (setq beg (point))
3005     (goto-char (1- end))
3006     (forward-line)
3007     (setq end (point))
3008     (wl-summary-exec-subr (wl-summary-mark-collect "o" beg end)
3009                           (wl-summary-mark-collect "D" beg end)
3010                           (wl-summary-mark-collect "O" beg end))))
3011
3012 (defun wl-summary-exec-subr (moves dels copies)
3013   (if (not (or moves dels copies))
3014       (message "No marks")
3015     (save-excursion
3016       (let ((del-fld (wl-summary-get-delete-folder
3017                       (wl-summary-buffer-folder-name)))
3018             (start (point))
3019             (unread-marks (list wl-summary-unread-cached-mark
3020                                 wl-summary-unread-uncached-mark
3021                                 wl-summary-new-mark))
3022             (refiles (append moves dels))
3023             (refile-failures 0)
3024             (copy-failures 0)
3025             (copy-len (length copies))
3026             refile-len
3027             dst-msgs                    ; loop counter
3028             result)
3029         (message "Executing ...")
3030         (while dels
3031           (when (not (assq (car dels) wl-summary-buffer-refile-list))
3032             (wl-append wl-summary-buffer-refile-list
3033                        (list (cons (car dels) del-fld)))
3034             (setq wl-summary-buffer-delete-list
3035                   (delete (car dels) wl-summary-buffer-delete-list)))
3036           (setq dels (cdr dels)))
3037         ;; begin refile...
3038         (setq refile-len (length refiles))
3039         (setq dst-msgs
3040               (wl-inverse-alist refiles wl-summary-buffer-refile-list))
3041         (goto-char start)               ; avoid moving cursor to
3042                                         ; the bottom line.
3043         (when (> refile-len elmo-display-progress-threshold)
3044           (elmo-progress-set 'elmo-folder-move-messages
3045                              refile-len "Moving messages..."))
3046         (while dst-msgs
3047           (setq result nil)
3048           (condition-case nil
3049               (setq result (elmo-folder-move-messages
3050                             wl-summary-buffer-elmo-folder
3051                             (cdr (car dst-msgs))
3052                             (if (eq 'null (car (car dst-msgs)))
3053                                 'null
3054                               (wl-folder-get-elmo-folder
3055                                (car (car dst-msgs))))
3056                             (wl-summary-buffer-msgdb)
3057                             (not (null (cdr dst-msgs)))
3058                             nil ; no-delete
3059                             nil ; same-number
3060                             unread-marks
3061                             t))
3062             (error nil))
3063           (if result                    ; succeeded.
3064               (progn
3065                 ;; update buffer.
3066                 (wl-summary-delete-messages-on-buffer (cdr (car dst-msgs)))
3067                 ;; update refile-alist.
3068                 (setq wl-summary-buffer-refile-list
3069                       (wl-delete-associations (cdr (car dst-msgs))
3070                                               wl-summary-buffer-refile-list)))
3071             (setq refile-failures
3072                   (+ refile-failures (length (cdr (car dst-msgs))))))
3073           (setq dst-msgs (cdr dst-msgs)))
3074         (elmo-progress-clear 'elmo-folder-move-messages)
3075         ;; end refile
3076         ;; begin cOpy...
3077         (setq dst-msgs (wl-inverse-alist copies wl-summary-buffer-copy-list))
3078         (when (> copy-len elmo-display-progress-threshold)
3079           (elmo-progress-set 'elmo-folder-move-messages
3080                              copy-len "Copying messages..."))
3081         (while dst-msgs
3082           (setq result nil)
3083           (condition-case nil
3084               (setq result (elmo-folder-move-messages
3085                             wl-summary-buffer-elmo-folder
3086                             (cdr (car dst-msgs))
3087                             (wl-folder-get-elmo-folder
3088                              (car (car dst-msgs)))
3089                             (wl-summary-buffer-msgdb)
3090                             (not (null (cdr dst-msgs)))
3091                             t ; t is no-delete (copy)
3092                             nil ; same number
3093                             unread-marks
3094                             t))
3095             (error nil))
3096           (if result                    ; succeeded.
3097               (progn
3098                 ;; update buffer.
3099                 (wl-summary-delete-copy-marks-on-buffer (cdr (car dst-msgs)))
3100                 ;; update copy-alist
3101                 (setq wl-summary-buffer-copy-list
3102                       (wl-delete-associations (cdr (car dst-msgs))
3103                                               wl-summary-buffer-copy-list)))
3104             (setq copy-failures
3105                   (+ copy-failures (length (cdr (car dst-msgs))))))
3106           (setq dst-msgs (cdr dst-msgs)))
3107         ;; Hide progress bar.
3108         (elmo-progress-clear 'elmo-folder-move-messages)
3109         ;; end cOpy
3110         (wl-summary-folder-info-update)
3111         (wl-summary-set-message-modified)
3112         (wl-summary-set-mark-modified)
3113         (run-hooks 'wl-summary-exec-hook)
3114         (unless (and wl-message-buffer
3115                      (eq (wl-summary-message-number)
3116                          (with-current-buffer wl-message-buffer
3117                            wl-message-buffer-cur-number)))
3118           (wl-summary-toggle-disp-msg 'off))
3119         (set-buffer-modified-p nil)
3120         (message (concat "Executing ... done"
3121                          (if (> refile-failures 0)
3122                              (format " (%d refiling failed)" refile-failures)
3123                            "")
3124                          (if (> copy-failures 0)
3125                              (format " (%d copying failed)" copy-failures)
3126                            "")
3127                          "."))))))
3128
3129 (defun wl-summary-read-folder (default &optional purpose ignore-error
3130                                 no-create init)
3131   (let ((fld (completing-read
3132               (format "Folder name %s(%s): " (or purpose "")
3133                       default)
3134               (or wl-folder-completion-function
3135                   (if (memq 'read-folder wl-use-folder-petname)
3136                       (wl-folder-get-entity-with-petname)
3137                     wl-folder-entity-hashtb))
3138               nil nil (or init wl-default-spec)
3139               'wl-read-folder-hist)))
3140     (if (or (string= fld wl-default-spec)
3141             (string= fld ""))
3142         (setq fld default))
3143     (setq fld (elmo-string (wl-folder-get-realname fld)))
3144     (if (string-match "\n" fld)
3145         (error "Not supported folder name: %s" fld))
3146     (unless no-create
3147       (if ignore-error
3148           (condition-case nil
3149               (wl-folder-confirm-existence
3150                (wl-folder-get-elmo-folder
3151                 fld))
3152             (error))
3153         (wl-folder-confirm-existence (wl-folder-get-elmo-folder
3154                                       fld))))
3155     fld))
3156
3157 (defun wl-summary-print-destination (msg-num folder)
3158   "Print refile destination on line."
3159   (wl-summary-remove-destination)
3160   (let ((inhibit-read-only t)
3161         (folder (copy-sequence folder))
3162         (buffer-read-only nil)
3163         len rs re c)
3164     (setq len (string-width folder))
3165     (if (< len 1) ()
3166       ;;(end-of-line)
3167       (beginning-of-line)
3168       (search-forward "\r")
3169       (forward-char -1)
3170       (setq re (point))
3171       (setq c 0)
3172       (while (< c len)
3173         (forward-char -1)
3174         (setq c (+ c (char-width (following-char)))))
3175       (and (> c len) (setq folder (concat " " folder)))
3176       (setq rs (point))
3177       (put-text-property rs re 'invisible t)
3178       (put-text-property rs re 'wl-summary-destination t)
3179       (goto-char re)
3180       (wl-highlight-refile-destination-string folder)
3181       (insert folder)
3182       (set-buffer-modified-p nil))))
3183
3184 (defsubst wl-summary-get-mark (number)
3185   "Return a temporal mark of message specified by NUMBER."
3186   (or (and (memq number wl-summary-buffer-delete-list) "D")
3187       (and (assq number wl-summary-buffer-copy-list) "O")
3188       (and (assq number wl-summary-buffer-refile-list) "o")
3189       (and (memq number wl-summary-buffer-target-mark-list) "*")))
3190
3191 (defsubst wl-summary-reserve-temp-mark-p (mark)
3192   "Return t if temporal MARK should be reserved."
3193   (member mark wl-summary-reserve-mark-list))
3194
3195 (defun wl-summary-refile (&optional dst number)
3196   "Put refile mark on current line message.
3197 If optional argument DST is specified, put mark without asking
3198 destination folder.
3199 If optional argument NUMBER is specified, mark message specified by NUMBER.
3200
3201 If folder is read-only, message should be copied.
3202 See `wl-refile-policy-alist' for more details."
3203   (interactive)
3204   (let ((policy (wl-get-assoc-list-value wl-refile-policy-alist
3205                                          (wl-summary-buffer-folder-name))))
3206     (cond ((eq policy 'copy)
3207            (if (interactive-p)
3208                (call-interactively 'wl-summary-copy)
3209              (wl-summary-copy dst number)))
3210           (t
3211            (wl-summary-refile-subr 'refile (interactive-p) dst number)))))
3212
3213 (defun wl-summary-copy (&optional dst number)
3214   "Put copy mark on current line message.
3215 If optional argument DST is specified, put mark without asking
3216 destination folder.
3217 If optional argument NUMBER is specified, mark message specified by NUMBER."
3218   (interactive)
3219   (wl-summary-refile-subr 'copy (interactive-p) dst number))
3220
3221 (defun wl-summary-refile-subr (copy-or-refile interactive &optional dst number)
3222   (let* ((buffer-num (wl-summary-message-number))
3223          (msg-num (or number buffer-num))
3224          (msgid (and msg-num
3225                      (elmo-message-field wl-summary-buffer-elmo-folder
3226                                          msg-num 'message-id)))
3227          (entity (and msg-num
3228                       (elmo-msgdb-overview-get-entity
3229                        msg-num (wl-summary-buffer-msgdb))))
3230          (variable
3231           (intern (format "wl-summary-buffer-%s-list" copy-or-refile)))
3232          folder mark already tmp-folder)
3233     (catch 'done
3234       (when (null entity)
3235         ;; msgdb is empty?
3236         (if interactive
3237             (message "Cannot refile."))
3238         (throw 'done nil))
3239       (when (null msg-num)
3240         (if interactive
3241             (message "No message."))
3242         (throw 'done nil))
3243       (when (setq mark (wl-summary-get-mark msg-num))
3244         (when (wl-summary-reserve-temp-mark-p mark)
3245           (if interactive
3246               (error "Already marked as `%s'" mark))
3247           (throw 'done nil)))
3248       (setq folder (and msg-num
3249                         (or dst (wl-summary-read-folder
3250                                  (or (wl-refile-guess entity) wl-trash-folder)
3251                                  (format "for %s" copy-or-refile)))))
3252       ;; Cache folder hack by okada@opaopa.org
3253       (if (and (eq (elmo-folder-type-internal
3254                     (wl-folder-get-elmo-folder
3255                      (wl-folder-get-realname folder))) 'cache)
3256                (not (string= folder
3257                              (setq tmp-folder
3258                                    (concat "'cache/"
3259                                            (elmo-cache-get-path-subr
3260                                             (elmo-msgid-to-cache msgid)))))))
3261           (progn
3262             (setq folder tmp-folder)
3263             (message "Force refile to %s." folder)))
3264       (if (string= folder (wl-summary-buffer-folder-name))
3265           (error "Same folder"))
3266       (if (or (not (elmo-folder-writable-p (wl-folder-get-elmo-folder folder)))
3267               (string= folder wl-queue-folder)
3268               (string= folder wl-draft-folder))
3269           (error "Don't %s messages to %s" copy-or-refile folder))
3270       ;; learn for refile.
3271       (if (eq copy-or-refile 'refile)
3272           (wl-refile-learn entity folder))
3273       (wl-summary-unmark msg-num)
3274       (set variable (append
3275                      (symbol-value variable)
3276                      (list (cons msg-num folder))))
3277       (when (or interactive
3278                 (eq number buffer-num))
3279         (wl-summary-mark-line (if (eq copy-or-refile 'refile)
3280                                   "o" "O"))
3281         ;; print refile destination
3282         (wl-summary-print-destination msg-num folder))
3283       (if interactive
3284           (if (eq wl-summary-move-direction-downward nil)
3285               (wl-summary-prev)
3286             (wl-summary-next)))
3287       (run-hooks (intern (format "wl-summary-%s-hook" copy-or-refile)))
3288       (setq wl-summary-buffer-prev-refile-destination folder)
3289       msg-num)))
3290
3291 (defun wl-summary-refile-prev-destination ()
3292   "Refile message to previously refiled destination."
3293   (interactive)
3294   (wl-summary-refile wl-summary-buffer-prev-refile-destination
3295                      (wl-summary-message-number))
3296   (if (eq wl-summary-move-direction-downward nil)
3297       (wl-summary-prev)
3298     (wl-summary-next)))
3299
3300 (defun wl-summary-copy-prev-destination ()
3301   "Refile message to previously refiled destination."
3302   (interactive)
3303   (wl-summary-copy wl-summary-buffer-prev-copy-destination
3304                    (wl-summary-message-number))
3305   (if (eq wl-summary-move-direction-downward nil)
3306       (wl-summary-prev)
3307     (wl-summary-next)))
3308
3309 (defsubst wl-summary-no-auto-refile-message-p (msg)
3310   (member (elmo-msgdb-get-mark (wl-summary-buffer-msgdb) msg)
3311           wl-summary-auto-refile-skip-marks))
3312
3313 (defun wl-summary-auto-refile (&optional open-all)
3314   "Set refile mark automatically according to 'wl-refile-guess-by-rule'."
3315   (interactive "P")
3316   (message "Marking...")
3317   (save-excursion
3318     (if (and (eq wl-summary-buffer-view 'thread)
3319              open-all)
3320         (wl-thread-open-all))
3321     (let* ((spec (wl-summary-buffer-folder-name))
3322            checked-dsts
3323            (count 0)
3324            number dst thr-entity)
3325       (goto-line 1)
3326       (while (not (eobp))
3327         (setq number (wl-summary-message-number))
3328         (dolist (number (cons number
3329                               (and (eq wl-summary-buffer-view 'thread)
3330                                    ;; process invisible children.
3331                                    (not (wl-thread-entity-get-opened
3332                                          (setq thr-entity
3333                                                (wl-thread-get-entity number))))
3334                                    (wl-thread-entity-get-descendant
3335                                     thr-entity))))
3336           (when (and (not (wl-summary-no-auto-refile-message-p
3337                            number))
3338                      (setq dst
3339                            (wl-folder-get-realname
3340                             (wl-refile-guess-by-rule
3341                              (elmo-msgdb-overview-get-entity
3342                               number (wl-summary-buffer-msgdb)))))
3343                      (not (equal dst spec))
3344                      (let ((pair (assoc dst checked-dsts))
3345                            ret)
3346                        (if pair
3347                            (cdr pair)
3348                          (setq ret
3349                                (condition-case nil
3350                                    (progn
3351                                      (wl-folder-confirm-existence
3352                                       (wl-folder-get-elmo-folder dst))
3353                                      t)
3354                                  (error)))
3355                          (setq checked-dsts (cons (cons dst ret) checked-dsts))
3356                          ret)))
3357             (if (wl-summary-refile dst number)
3358                 (incf count))
3359             (message "Marking...%d message(s)." count)))
3360         (forward-line))
3361       (if (eq count 0)
3362           (message "No message was marked.")
3363         (message "Marked %d message(s)." count)))))
3364
3365 (defun wl-summary-unmark (&optional number)
3366   "Unmark marks (temporary, refile, copy, delete)of current line.
3367 If optional argument NUMBER is specified, unmark message specified by NUMBER."
3368   (interactive)
3369   (save-excursion
3370     (beginning-of-line)
3371     (let ((inhibit-read-only t)
3372           (buffer-read-only nil)
3373           visible
3374           msg-num
3375           cur-mark
3376           score-mark)
3377       (if number
3378           (setq visible (wl-summary-jump-to-msg number))
3379         (setq visible t))
3380       ;; Delete mark on buffer.
3381       (when visible
3382         (setq cur-mark (wl-summary-temp-mark))
3383         (if (string= cur-mark " ")
3384             ()
3385           (delete-backward-char 1)
3386           (or number
3387               (setq number (wl-summary-message-number)))
3388           (if (setq score-mark (wl-summary-get-score-mark number))
3389               (insert score-mark)
3390             (insert " ")))
3391         (if (or (string= cur-mark "o")
3392                 (string= cur-mark "O"))
3393             (wl-summary-remove-destination))
3394         (if wl-summary-highlight
3395             (wl-highlight-summary-current-line nil nil score-mark))
3396         (set-buffer-modified-p nil))
3397       ;; Remove from temporal mark structure.
3398       (and number
3399            (wl-summary-delete-mark number)))))
3400
3401 (defun wl-summary-msg-marked-as-target (msg)
3402   (if (memq msg wl-summary-buffer-target-mark-list)
3403       t))
3404
3405 (defun wl-summary-msg-marked-as-copied (msg)
3406   (assq msg wl-summary-buffer-copy-list))
3407
3408 (defun wl-summary-msg-marked-as-deleted (msg)
3409   (if (memq msg wl-summary-buffer-delete-list)
3410       t))
3411
3412 (defun wl-summary-msg-marked-as-refiled (msg)
3413   (assq msg wl-summary-buffer-refile-list))
3414
3415 (defun wl-summary-target-mark (&optional number)
3416   "Put target mark '*' on current message.
3417 If optional argument NUMBER is specified, mark message specified by NUMBER."
3418   (interactive)
3419   (let* ((buffer-num (wl-summary-message-number))
3420          (msg-num (or number buffer-num))
3421          mark)
3422     (catch 'done
3423       (when (null msg-num)
3424         (if (interactive-p)
3425             (message "No message."))
3426         (throw 'done nil))
3427       (when (setq mark (wl-summary-get-mark msg-num))
3428         (when (wl-summary-reserve-temp-mark-p mark)
3429           (if (interactive-p)
3430               (error "Already marked as `%s'" mark))
3431           (throw 'done nil))
3432         (wl-summary-unmark msg-num))
3433       (if (or (interactive-p)
3434               (eq number buffer-num))
3435           (wl-summary-mark-line "*"))
3436       (setq wl-summary-buffer-target-mark-list
3437             (cons msg-num wl-summary-buffer-target-mark-list))
3438       (if (interactive-p)
3439           (if (eq wl-summary-move-direction-downward nil)
3440               (wl-summary-prev)
3441             (wl-summary-next)))
3442       msg-num)))
3443
3444
3445 (defun wl-summary-refile-region (beg end)
3446   "Put refile mark on messages in the region specified by BEG and END."
3447   (interactive "r")
3448   (wl-summary-refile-region-subr "refile" beg end))
3449
3450 (defun wl-summary-copy-region (beg end)
3451   "Put copy mark on messages in the region specified by BEG and END."
3452   (interactive "r")
3453   (wl-summary-refile-region-subr "copy" beg end))
3454
3455 (defun wl-summary-refile-region-subr (copy-or-refile beg end)
3456   (save-excursion
3457     (save-restriction
3458       (goto-char beg)
3459       ;; guess by first msg
3460       (let* ((msgid (cdr (assq (wl-summary-message-number)
3461                                (elmo-msgdb-get-number-alist
3462                                 (wl-summary-buffer-msgdb)))))
3463              (function (intern (format "wl-summary-%s" copy-or-refile)))
3464              (entity (assoc msgid (elmo-msgdb-get-overview
3465                                    (wl-summary-buffer-msgdb))))
3466              folder)
3467         (if entity
3468             (setq folder (wl-summary-read-folder (wl-refile-guess entity)
3469                                                  (format "for %s"
3470                                                          copy-or-refile))))
3471         (narrow-to-region beg end)
3472         (if (eq wl-summary-buffer-view 'thread)
3473             (progn
3474               (while (not (eobp))
3475                 (let* ((number (wl-summary-message-number))
3476                        (entity (wl-thread-get-entity number))
3477                        children)
3478                   (if (wl-thread-entity-get-opened entity)
3479                       ;; opened...refile line.
3480                       (funcall function folder number)
3481                     ;; closed
3482                     (setq children (wl-thread-get-children-msgs number))
3483                     (while children
3484                       (funcall function folder (pop children))))
3485                   (forward-line 1))))
3486           (while (not (eobp))
3487             (funcall function folder (wl-summary-message-number))
3488             (forward-line 1)))))))
3489
3490 (defun wl-summary-unmark-region (beg end)
3491   (interactive "r")
3492   (save-excursion
3493     (save-restriction
3494       (narrow-to-region beg end)
3495       (goto-char (point-min))
3496       (if (eq wl-summary-buffer-view 'thread)
3497           (progn
3498             (while (not (eobp))
3499               (let* ((number (wl-summary-message-number))
3500                      (entity (wl-thread-get-entity number)))
3501                 (if (wl-thread-entity-get-opened entity)
3502                     ;; opened...unmark line.
3503                     (wl-summary-unmark)
3504                   ;; closed
3505                   (wl-summary-delete-marks-on-buffer
3506                    (wl-thread-get-children-msgs number))))
3507               (forward-line 1)))
3508         (while (not (eobp))
3509           (wl-summary-unmark)
3510           (forward-line 1))))))
3511
3512 (defun wl-summary-mark-region-subr (function beg end)
3513   (save-excursion
3514     (save-restriction
3515       (narrow-to-region beg end)
3516       (goto-char (point-min))
3517       (if (eq wl-summary-buffer-view 'thread)
3518           (progn
3519             (while (not (eobp))
3520               (let* ((number (wl-summary-message-number))
3521                      (entity (wl-thread-get-entity number))
3522                      (wl-summary-move-direction-downward t)
3523                      children)
3524                 (if (wl-thread-entity-get-opened entity)
3525                     ;; opened...delete line.
3526                     (funcall function number)
3527                   ;; closed
3528                   (setq children (wl-thread-get-children-msgs number))
3529                   (while children
3530                     (funcall function (pop children))))
3531                 (forward-line 1))))
3532         (while (not (eobp))
3533           (funcall function (wl-summary-message-number))
3534           (forward-line 1))))))
3535
3536 (defun wl-summary-delete-region (beg end)
3537   (interactive "r")
3538   (wl-summary-mark-region-subr 'wl-summary-delete beg end))
3539
3540 (defun wl-summary-target-mark-region (beg end)
3541   (interactive "r")
3542   (wl-summary-mark-region-subr 'wl-summary-target-mark beg end))
3543
3544 (defun wl-summary-target-mark-all ()
3545   (interactive)
3546   (wl-summary-target-mark-region (point-min) (point-max))
3547   (setq wl-summary-buffer-target-mark-list
3548         (mapcar 'car
3549                 (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb)))))
3550
3551 (defun wl-summary-delete-all-mark (mark)
3552   (goto-char (point-min))
3553   (while (not (eobp))
3554     (when (string= (wl-summary-temp-mark) mark)
3555       (wl-summary-unmark))
3556     (forward-line 1))
3557   (cond ((string= mark "*")
3558          (setq wl-summary-buffer-target-mark-list nil))
3559         ((string= mark "D")
3560          (setq wl-summary-buffer-delete-list nil))
3561         ((string= mark "O")
3562          (setq wl-summary-buffer-copy-list nil))
3563         ((string= mark "o")
3564          (setq wl-summary-buffer-refile-list nil))))
3565
3566 (defun wl-summary-unmark-all ()
3567   "Unmark all according to what you input."
3568   (interactive)
3569   (let ((unmarks (string-to-char-list (read-from-minibuffer "Unmark: ")))
3570         cur-mark)
3571     (save-excursion
3572       (while unmarks
3573         (setq cur-mark (char-to-string (car unmarks)))
3574         (wl-summary-delete-all-mark cur-mark)
3575         (setq unmarks (cdr unmarks))))))
3576
3577 (defun wl-summary-target-mark-thread ()
3578   (interactive)
3579   (wl-thread-call-region-func 'wl-summary-target-mark-region t))
3580
3581 (defun wl-summary-target-mark-msgs (msgs)
3582   "Return the number of marked messages."
3583   (let ((i 0) num)
3584     (while msgs
3585       (if (eq wl-summary-buffer-view 'thread)
3586           (wl-thread-jump-to-msg (car msgs))
3587         (wl-summary-jump-to-msg (car msgs)))
3588       (setq num (wl-summary-message-number))
3589       (when (eq num (car msgs))
3590         (wl-summary-target-mark num)
3591         (setq i (1+ i)))
3592       (setq msgs (cdr msgs)))
3593     i))
3594
3595 (defun wl-summary-pick (&optional from-list delete-marks)
3596   (interactive)
3597   (save-excursion
3598     (let* ((condition (car (elmo-parse-search-condition
3599                             (elmo-read-search-condition
3600                              wl-summary-pick-field-default))))
3601            (result (elmo-folder-search wl-summary-buffer-elmo-folder
3602                                        condition
3603                                        from-list))
3604            num)
3605       (if delete-marks
3606           (let ((mlist wl-summary-buffer-target-mark-list))
3607             (while mlist
3608               (when (wl-summary-jump-to-msg (car mlist))
3609                 (wl-summary-unmark))
3610               (setq mlist (cdr mlist)))
3611             (setq wl-summary-buffer-target-mark-list nil)))
3612       (if (and result
3613                (setq num (wl-summary-target-mark-msgs result))
3614                (> num 0))
3615           (if (= num (length result))
3616               (message "%d message(s) are picked." num)
3617             (message "%d(%d) message(s) are picked." num
3618                      (- (length result) num)))
3619         (message "No message was picked.")))))
3620
3621 (defun wl-summary-unvirtual ()
3622   "Exit from current virtual folder."
3623   (interactive)
3624   (if (eq 'filter
3625           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3626       (wl-summary-goto-folder-subr
3627        (elmo-folder-name-internal
3628         (elmo-filter-folder-target-internal
3629          wl-summary-buffer-elmo-folder))
3630        'update nil nil t)
3631     (error "This folder is not filtered")))
3632
3633 (defun wl-summary-virtual (&optional arg)
3634   "Goto virtual folder.
3635 If ARG, exit virtual folder."
3636   (interactive "P")
3637   (if arg
3638       (wl-summary-unvirtual)
3639     (wl-summary-goto-folder-subr (concat "/"
3640                                          (elmo-read-search-condition
3641                                           wl-summary-pick-field-default)
3642                                          "/"
3643                                          (wl-summary-buffer-folder-name))
3644                                  'update nil nil t)))
3645
3646 (defun wl-summary-delete-all-temp-marks (&optional no-msg)
3647   "Erase all temp marks from buffer."
3648   (interactive)
3649   (when (or wl-summary-buffer-target-mark-list
3650             wl-summary-buffer-delete-list
3651             wl-summary-buffer-refile-list
3652             wl-summary-buffer-copy-list)
3653     (save-excursion
3654       (goto-char (point-min))
3655       (unless no-msg
3656         (message "Unmarking..."))
3657       (while (not (eobp))
3658         (wl-summary-unmark)
3659         (forward-line 1))
3660       (unless no-msg
3661         (message "Unmarking...done"))
3662       (setq wl-summary-buffer-target-mark-list nil)
3663       (setq wl-summary-buffer-delete-list nil)
3664       (setq wl-summary-buffer-refile-list nil)
3665       (setq wl-summary-buffer-copy-list nil))))
3666
3667 (defun wl-summary-delete-mark (number)
3668   "Delete temporary mark of the message specified by NUMBER."
3669   (cond
3670    ((memq number wl-summary-buffer-target-mark-list)
3671     (setq wl-summary-buffer-target-mark-list
3672           (delq number wl-summary-buffer-target-mark-list)))
3673    ((memq number wl-summary-buffer-delete-list)
3674     (setq wl-summary-buffer-delete-list
3675           (delq number wl-summary-buffer-delete-list)))
3676    (t
3677     (let (pair)
3678       (cond
3679        ((setq pair (assq number wl-summary-buffer-copy-list))
3680         (setq wl-summary-buffer-copy-list
3681               (delq pair wl-summary-buffer-copy-list)))
3682        ((setq pair (assq number wl-summary-buffer-refile-list))
3683         (setq wl-summary-buffer-refile-list
3684               (delq pair wl-summary-buffer-refile-list))))))))
3685
3686 (defsubst wl-summary-temp-mark ()
3687   "Move to the temp-mark column and return mark string."
3688   (move-to-column wl-summary-buffer-temp-mark-column)
3689   (buffer-substring (- (point) 1) (point)))
3690
3691 (defsubst wl-summary-persistent-mark ()
3692   "Move to the persistent-mark column and return mark string."
3693   (move-to-column wl-summary-buffer-persistent-mark-column)
3694   (buffer-substring (- (point) 1) (point)))
3695
3696 (defun wl-summary-mark-line (mark)
3697   "Put MARK on current line.  Return message number."
3698   (save-excursion
3699     (beginning-of-line)
3700     (let ((inhibit-read-only t)
3701           (buffer-read-only nil))
3702       (wl-summary-temp-mark) ; mark
3703       (delete-backward-char 1)
3704       (insert mark)
3705       (if wl-summary-highlight
3706           (wl-highlight-summary-current-line nil nil t))
3707       (set-buffer-modified-p nil))))
3708
3709 (defun wl-summary-target-mark-delete ()
3710   (interactive)
3711   (save-excursion
3712     (goto-char (point-min))
3713     (let (number mlist)
3714       (while (not (eobp))
3715         (when (string= (wl-summary-temp-mark) "*")
3716           (let (wl-summary-buffer-disp-msg)
3717             (when (setq number (wl-summary-message-number))
3718               (wl-summary-delete number)
3719               (setq wl-summary-buffer-target-mark-list
3720                     (delq number wl-summary-buffer-target-mark-list)))))
3721         (forward-line 1))
3722       (setq mlist wl-summary-buffer-target-mark-list)
3723       (while mlist
3724         (wl-append wl-summary-buffer-delete-list (list (car mlist)))
3725         (setq wl-summary-buffer-target-mark-list
3726               (delq (car mlist) wl-summary-buffer-target-mark-list))
3727         (setq mlist (cdr mlist))))))
3728
3729 (defun wl-summary-target-mark-prefetch (&optional ignore-cache)
3730   (interactive "P")
3731   (save-excursion
3732     (let* ((mlist (nreverse wl-summary-buffer-target-mark-list))
3733            (inhibit-read-only t)
3734            (buffer-read-only nil)
3735            (count 0)
3736            (length (length mlist))
3737            (pos (point))
3738            skipped
3739            new-mark)
3740       (while mlist
3741         (setq new-mark (wl-summary-prefetch-msg (car mlist) ignore-cache))
3742         (if new-mark
3743             (progn
3744               (message "Prefetching... %d/%d message(s)"
3745                        (setq count (+ 1 count)) length)
3746               (when (wl-summary-jump-to-msg (car mlist))
3747                 (wl-summary-unmark)
3748                 (when new-mark
3749                   (wl-summary-persistent-mark) ; move
3750                   (delete-backward-char 1)
3751                   (insert new-mark)
3752                   (if wl-summary-highlight
3753                       (wl-highlight-summary-current-line))
3754                   (save-excursion
3755                     (goto-char pos)
3756                     (sit-for 0)))))
3757           (setq skipped (cons (car mlist) skipped)))
3758         (setq mlist (cdr mlist)))
3759       (setq wl-summary-buffer-target-mark-list skipped)
3760       (message "Prefetching... %d/%d message(s)." count length)
3761       (set-buffer-modified-p nil))))
3762
3763 (defun wl-summary-target-mark-refile-subr (copy-or-refile)
3764   (let ((variable
3765          (intern (format "wl-summary-buffer-%s-list" copy-or-refile)))
3766         (function
3767          (intern (format "wl-summary-%s" copy-or-refile)))
3768         (numlist wl-summary-buffer-number-list)
3769         regexp number msgid entity folder mlist)
3770     (save-excursion
3771       ;; guess by first mark
3772       (while numlist
3773         (if (memq (car numlist) wl-summary-buffer-target-mark-list)
3774             (setq number (car numlist)
3775                   numlist nil))
3776         (setq numlist (cdr numlist)))
3777       (when number
3778         (setq msgid (elmo-message-field wl-summary-buffer-elmo-folder
3779                                         number 'message-id)
3780               entity (elmo-msgdb-overview-get-entity
3781                       number (wl-summary-buffer-msgdb)))
3782         (if (null entity)
3783             (error "Cannot %s" copy-or-refile))
3784         (setq folder (wl-summary-read-folder
3785                       (wl-refile-guess entity)
3786                       (format "for %s" copy-or-refile)))
3787         (goto-char (point-min))
3788         (while (not (eobp))
3789           (when (string= (wl-summary-temp-mark) "*")
3790             (let (wl-summary-buffer-disp-msg)
3791               (when (setq number (wl-summary-message-number))
3792                 (funcall function folder number)
3793                 (setq wl-summary-buffer-target-mark-list
3794                       (delq number wl-summary-buffer-target-mark-list)))))
3795           (forward-line 1))
3796         ;; process invisible messages.
3797         (setq mlist wl-summary-buffer-target-mark-list)
3798         (while mlist
3799           (set variable
3800                (append (symbol-value variable)
3801                        (list (cons (car mlist) folder))))
3802           (setq wl-summary-buffer-target-mark-list
3803                 (delq (car mlist) wl-summary-buffer-target-mark-list))
3804           (setq mlist (cdr mlist)))))))
3805
3806 (defun wl-summary-next-buffer ()
3807   "Switch to next summary buffer."
3808   (interactive)
3809   (let ((buffers (sort (wl-collect-summary)
3810                        (lambda (buffer1 buffer2)
3811                          (string-lessp (buffer-name buffer1)
3812                                        (buffer-name buffer2))))))
3813     (switch-to-buffer
3814      (or (cadr (memq (current-buffer) buffers))
3815          (car buffers)))))
3816
3817 (defun wl-summary-previous-buffer ()
3818   "Switch to previous summary buffer."
3819   (interactive)
3820   (let ((buffers (sort (wl-collect-summary)
3821                        (lambda (buffer1 buffer2)
3822                          (not (string-lessp (buffer-name buffer1)
3823                                             (buffer-name buffer2)))))))
3824     (switch-to-buffer
3825      (or (cadr (memq (current-buffer) buffers))
3826          (car buffers)))))
3827
3828 (defun wl-summary-target-mark-copy ()
3829   (interactive)
3830   (wl-summary-target-mark-refile-subr "copy"))
3831
3832 (defun wl-summary-target-mark-refile ()
3833   (interactive)
3834   (wl-summary-target-mark-refile-subr "refile"))
3835
3836 (defun wl-summary-target-mark-mark-as-read ()
3837   (interactive)
3838   (save-excursion
3839     (goto-char (point-min))
3840     (let ((inhibit-read-only t)
3841           (buffer-read-only nil)
3842           wl-summary-buffer-disp-msg
3843           number mlist)
3844       (while (not (eobp))
3845         (when (string= (wl-summary-temp-mark) "*")
3846           ;; delete target-mark from buffer.
3847           (delete-backward-char 1)
3848           (insert " ")
3849           (setq number (wl-summary-message-number))
3850           (wl-summary-mark-as-read number)
3851           (if wl-summary-highlight
3852               (wl-highlight-summary-current-line))
3853           (if number
3854               (setq wl-summary-buffer-target-mark-list
3855                     (delq number wl-summary-buffer-target-mark-list))))
3856         (forward-line 1))
3857       (setq mlist wl-summary-buffer-target-mark-list)
3858       (while mlist
3859         (wl-summary-mark-as-read (car mlist))
3860         (setq wl-summary-buffer-target-mark-list
3861               (delq (car mlist) wl-summary-buffer-target-mark-list))
3862         (setq mlist (cdr mlist)))
3863       (wl-summary-count-unread)
3864       (wl-summary-update-modeline))))
3865
3866 (defun wl-summary-target-mark-mark-as-unread ()
3867   (interactive)
3868   (save-excursion
3869     (goto-char (point-min))
3870     (let ((inhibit-read-only t)
3871           (buffer-read-only nil)
3872           wl-summary-buffer-disp-msg
3873           number mlist)
3874       (while (not (eobp))
3875         (when (string= (wl-summary-temp-mark) "*")
3876           (delete-backward-char 1)
3877           (insert " ")
3878           (setq number (wl-summary-mark-as-unread))
3879           (if wl-summary-highlight
3880               (wl-highlight-summary-current-line))
3881           (if number
3882               (setq wl-summary-buffer-target-mark-list
3883                     (delq number wl-summary-buffer-target-mark-list))))
3884         (forward-line 1))
3885       (setq mlist wl-summary-buffer-target-mark-list)
3886       (while mlist
3887         (wl-summary-mark-as-unread (car mlist))
3888 ;;;     (wl-thread-msg-mark-as-unread (car mlist))
3889         (setq wl-summary-buffer-target-mark-list
3890               (delq (car mlist) wl-summary-buffer-target-mark-list))
3891         (setq mlist (cdr mlist)))
3892       (wl-summary-count-unread)
3893       (wl-summary-update-modeline))))
3894
3895 (defun wl-summary-target-mark-mark-as-important ()
3896   (interactive)
3897   (save-excursion
3898     (goto-char (point-min))
3899     (let ((inhibit-read-only t)
3900           (buffer-read-only nil)
3901           wl-summary-buffer-disp-msg
3902           number mlist)
3903       (while (not (eobp))
3904         (when (string= (wl-summary-temp-mark) "*")
3905           ;; delete target-mark from buffer.
3906           (delete-backward-char 1)
3907           (insert " ")
3908           (setq number (wl-summary-mark-as-important))
3909           (if wl-summary-highlight
3910               (wl-highlight-summary-current-line))
3911           (if number
3912               (setq wl-summary-buffer-target-mark-list
3913                     (delq number wl-summary-buffer-target-mark-list))))
3914         (forward-line 1))
3915       (setq mlist wl-summary-buffer-target-mark-list)
3916       (while mlist
3917         (wl-summary-mark-as-important (car mlist))
3918         (wl-thread-msg-mark-as-important (car mlist))
3919         (setq wl-summary-buffer-target-mark-list
3920               (delq (car mlist) wl-summary-buffer-target-mark-list))
3921         (setq mlist (cdr mlist)))
3922       (wl-summary-count-unread)
3923       (wl-summary-update-modeline))))
3924
3925 (defun wl-summary-target-mark-save ()
3926   (interactive)
3927   (let ((wl-save-dir
3928          (wl-read-directory-name "Save to directory: "
3929                                  wl-temporary-file-directory))
3930         number)
3931     (if (null (file-exists-p wl-save-dir))
3932         (make-directory wl-save-dir))
3933     (while (setq number (car wl-summary-buffer-target-mark-list))
3934       (wl-thread-jump-to-msg number)
3935       (wl-summary-save t wl-save-dir)
3936       (wl-summary-unmark number))))
3937
3938 (defun wl-summary-target-mark-pick ()
3939   (interactive)
3940   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3941
3942 (defun wl-summary-mark-as-read (&optional number no-folder-mark)
3943   (interactive)
3944   (save-excursion
3945     (let ((buffer-read-only nil)
3946           (folder wl-summary-buffer-elmo-folder)
3947           (msgdb (wl-summary-buffer-msgdb))
3948           (case-fold-search nil)
3949           cur-mark mark stat visible uncached new-mark marked)
3950       (setq number (or number (wl-summary-message-number))
3951             visible (if number
3952                         (wl-summary-jump-to-msg number)
3953                       ;; interactive
3954                       t)
3955             mark (elmo-msgdb-get-mark msgdb number))
3956       (cond
3957        ((string= mark wl-summary-new-mark) ; N
3958         (setq stat 'new))
3959        ((string= mark wl-summary-unread-uncached-mark) ; U
3960         (setq stat 'unread))
3961        ((string= mark wl-summary-unread-cached-mark)  ; !
3962         (setq stat 'unread))
3963        ((string= mark wl-summary-read-uncached-mark)  ; u
3964         (setq stat 'read))
3965        (t
3966         ;; no need to mark server.
3967         (setq no-folder-mark t)))
3968       (setq new-mark
3969             (if (and (if (elmo-message-use-cache-p folder number)
3970                          (not (elmo-folder-local-p folder)))
3971                      (not (elmo-file-cache-exists-p
3972                            (elmo-message-field wl-summary-buffer-elmo-folder
3973                                                number 'message-id))))
3974                 wl-summary-read-uncached-mark
3975               nil))
3976       ;; folder mark.
3977       (unless no-folder-mark
3978         (setq marked (elmo-folder-mark-as-read folder (list number))))
3979       (when (or no-folder-mark marked)
3980         (cond ((eq stat 'unread)
3981                (setq wl-summary-buffer-unread-count
3982                      (1- wl-summary-buffer-unread-count)))
3983               ((eq stat 'new)
3984                (setq wl-summary-buffer-new-count
3985                      (1- wl-summary-buffer-new-count))))
3986         (wl-summary-update-modeline)
3987         (wl-folder-update-unread
3988          (wl-summary-buffer-folder-name)
3989          (+ wl-summary-buffer-unread-count
3990             wl-summary-buffer-new-count))
3991         (when stat
3992           ;; set mark on buffer
3993           (when visible
3994             (unless (string= (wl-summary-persistent-mark) new-mark)
3995               (delete-backward-char 1)
3996               (insert (or new-mark " "))))
3997           ;; set msgdb mark.
3998           (unless (string= mark new-mark)
3999             (elmo-msgdb-set-mark msgdb number new-mark))
4000           (wl-summary-set-mark-modified))
4001         (if (and visible wl-summary-highlight)
4002             (wl-highlight-summary-current-line nil nil t)))
4003       (set-buffer-modified-p nil)
4004       (if stat
4005           (run-hooks 'wl-summary-unread-message-hook))
4006       number ;return value
4007       )))
4008
4009 (defun wl-summary-mark-as-important (&optional number
4010                                                mark
4011                                                no-server-update)
4012   (interactive)
4013   (if (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4014           'internal)
4015       (error "Cannot process mark in this folder"))
4016   (save-excursion
4017     (let* (eol
4018           (inhibit-read-only t)
4019           (buffer-read-only nil)
4020           (folder wl-summary-buffer-elmo-folder)
4021           (msgdb (wl-summary-buffer-msgdb))
4022           (number-alist (elmo-msgdb-get-number-alist msgdb))
4023           message-id visible cur-mark)
4024       (if number
4025           (progn
4026             (setq visible (wl-summary-jump-to-msg number))
4027             (setq mark (or mark (elmo-msgdb-get-mark msgdb number))))
4028         (setq visible t))
4029       (when visible
4030         (if (null (setq number (wl-summary-message-number)))
4031             (progn
4032               (message "No message.")
4033               (setq visible nil))
4034           (end-of-line)
4035           (setq eol (point))
4036           (wl-summary-goto-previous-message-beginning)))
4037       (if (or (and (not visible)
4038                    ;; already exists in msgdb.
4039                    (elmo-msgdb-overview-get-entity number msgdb))
4040               (setq cur-mark (wl-summary-persistent-mark)))
4041           (progn
4042             (setq number (or number (wl-summary-message-number)))
4043             (setq mark (or mark cur-mark))
4044             (setq message-id (elmo-message-field
4045                               wl-summary-buffer-elmo-folder
4046                               number
4047                               'message-id))
4048             (if (string= mark wl-summary-important-mark)
4049                 (progn
4050                   ;; server side mark
4051                   (save-match-data
4052                     (unless no-server-update
4053                       (elmo-folder-unmark-important folder (list number))
4054                       (elmo-msgdb-global-mark-delete message-id))
4055                     ;; Remove cache if local folder.
4056                     (if (and (elmo-folder-local-p folder)
4057                              (not (eq 'mark
4058                                       (elmo-folder-type-internal folder))))
4059                         (elmo-file-cache-delete
4060                          (elmo-file-cache-get-path message-id))))
4061                   (when visible
4062                     (delete-backward-char 1)
4063                     (insert " "))
4064                   (elmo-msgdb-set-mark msgdb number nil))
4065               ;; server side mark
4066               (save-match-data
4067                 (unless no-server-update
4068                   (elmo-folder-mark-as-important folder (list number))))
4069               (when visible
4070                 (delete-backward-char 1)
4071                 (insert wl-summary-important-mark))
4072               (elmo-msgdb-set-mark msgdb number
4073                                    wl-summary-important-mark)
4074               (if (eq (elmo-file-cache-exists-p message-id) 'entire)
4075                   (elmo-folder-mark-as-read folder (list number))
4076                 ;; Force cache message.
4077                 (elmo-message-encache folder number 'read))
4078               (unless no-server-update
4079                 (elmo-msgdb-global-mark-set message-id
4080                                             wl-summary-important-mark)))
4081             (wl-summary-set-mark-modified)))
4082       (if (and visible wl-summary-highlight)
4083           (wl-highlight-summary-current-line nil nil t))))
4084   (set-buffer-modified-p nil)
4085   number)
4086
4087 ;;; Summary line.
4088 (defvar wl-summary-line-formatter nil)
4089
4090 (defun wl-summary-view-old-p ()
4091   "Return non-nil when summary view cache has old format."
4092   (save-excursion
4093     (goto-char (point-min))
4094     (and wl-summary-buffer-number-list
4095          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
4096
4097 (defun wl-summary-line-format-changed-p ()
4098   "Return non-nil when summary line format is changed."
4099   (not (string=
4100         wl-summary-buffer-line-format
4101         (or (elmo-object-load (expand-file-name
4102                                wl-summary-line-format-file
4103                                (elmo-folder-msgdb-path
4104                                 wl-summary-buffer-elmo-folder))
4105                               wl-summary-buffer-mime-charset)
4106             wl-summary-buffer-line-format))))
4107
4108 (defun wl-summary-line-format-save ()
4109   "Save current summary line format."
4110   (elmo-object-save
4111    (expand-file-name wl-summary-line-format-file
4112                      (elmo-folder-msgdb-path
4113                       wl-summary-buffer-elmo-folder))
4114    wl-summary-buffer-line-format
4115    wl-summary-buffer-mime-charset))
4116
4117 (defun wl-summary-line-number ()
4118   (wl-set-string-width
4119    (- wl-summary-buffer-number-column)
4120    (number-to-string
4121     (elmo-msgdb-overview-entity-get-number wl-message-entity))))
4122
4123 (defun wl-summary-line-year ()
4124   (aref wl-datevec 0))
4125 (defun wl-summary-line-month ()
4126   (format "%02d" (aref wl-datevec 1)))
4127 (defun wl-summary-line-day ()
4128   (format "%02d" (aref wl-datevec 2)))
4129 (defun wl-summary-line-day-of-week ()
4130   (condition-case nil
4131       (elmo-date-get-week (aref wl-datevec 0)
4132                           (aref wl-datevec 1)
4133                           (aref wl-datevec 2))
4134     (error "??")))
4135 (defun wl-summary-line-hour ()
4136   (format "%02d" (aref wl-datevec 3)))
4137 (defun wl-summary-line-minute ()
4138   (format "%02d" (aref wl-datevec 4)))
4139
4140 (defun wl-summary-line-size ()
4141   (let ((size (elmo-msgdb-overview-entity-get-size wl-message-entity)))
4142     (if size
4143         (cond
4144          ((<= 1 (/ size 1048576))
4145           (format "%.0fM" (/ size 1048576.0)))
4146          ((<= 1 (/ size 1024))
4147           (format "%.0fK" (/ size 1024.0)))
4148          (t (format "%dB" size)))
4149       "")))
4150
4151 (defvar wl-summary-line-subject-minimum-length nil)
4152 (defun wl-summary-line-subject ()
4153   (let (no-parent subject parent-raw-subject parent-subject)
4154     (if (string= wl-thr-indent-string "")
4155         (setq no-parent t)) ; no parent
4156     (setq subject
4157           (elmo-delete-char ?\n
4158                             (or (elmo-msgdb-overview-entity-get-subject
4159                                  wl-message-entity)
4160                                 wl-summary-no-subject-message)))
4161     (setq parent-raw-subject
4162           (elmo-msgdb-overview-entity-get-subject wl-parent-message-entity))
4163     (setq parent-subject
4164           (if parent-raw-subject
4165               (elmo-delete-char ?\n parent-raw-subject)))
4166     (setq subject
4167           (if (or no-parent
4168                   (null parent-subject)
4169                   (not (wl-summary-subject-equal
4170                         subject parent-subject)))
4171               (funcall wl-summary-subject-function subject)
4172             ""))
4173     (when (and wl-summary-line-subject-minimum-length
4174                (< (string-width subject)
4175                   wl-summary-line-subject-minimum-length))
4176       (while (< (string-width subject)
4177                 wl-summary-line-subject-minimum-length)
4178         (setq subject (concat subject " "))))
4179     (if (and (not wl-summary-width)
4180              wl-summary-subject-length-limit)
4181         (truncate-string subject
4182                          wl-summary-subject-length-limit)
4183       subject)))
4184
4185 (defun wl-summary-line-from ()
4186   (elmo-delete-char ?\n
4187                     (funcall wl-summary-from-function
4188                              (elmo-msgdb-overview-entity-get-from
4189                               wl-message-entity))))
4190
4191 (defun wl-summary-line-list-info ()
4192   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
4193     (if (car list-info)
4194         (format (if (cdr list-info) "(%s %05d)" "(%s)")
4195                 (car list-info) (cdr list-info))
4196       "")))
4197
4198 (defun wl-summary-line-list-count ()
4199   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
4200     (if ml-count
4201         (format "%.0f" ml-count)
4202       "")))
4203
4204 (defun wl-summary-line-attached ()
4205   (let ((content-type (elmo-msgdb-overview-entity-get-extra-field
4206                        wl-message-entity "content-type"))
4207         (case-fold-search t))
4208     (if (and content-type
4209              (string-match "multipart/mixed" content-type))
4210         "@"
4211       "")))
4212
4213 (defun wl-summary-create-line (wl-message-entity
4214                                wl-parent-message-entity
4215                                wl-temp-mark
4216                                wl-persistent-mark
4217                                &optional
4218                                wl-thr-children-number
4219                                wl-thr-indent-string
4220                                wl-thr-linked)
4221   "Create a summary line."
4222   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
4223         (elmo-mime-charset wl-summary-buffer-mime-charset)
4224         (elmo-lang wl-summary-buffer-weekday-name-lang)
4225         (wl-datevec (or (ignore-errors (timezone-fix-time
4226                                         (elmo-msgdb-overview-entity-get-date
4227                                          wl-message-entity)
4228                                         nil
4229                                         wl-summary-fix-timezone))
4230                         (make-vector 5 0)))
4231         (entity wl-message-entity) ; backward compatibility.
4232         line mark)
4233     (if (and wl-thr-indent-string
4234              wl-summary-indent-length-limit
4235              (< wl-summary-indent-length-limit
4236                 (string-width wl-thr-indent-string)))
4237         (setq wl-thr-indent-string (wl-set-string-width
4238                                     wl-summary-indent-length-limit
4239                                     wl-thr-indent-string)))
4240     (setq line (funcall wl-summary-buffer-line-formatter))
4241     (if wl-summary-width (setq line
4242                                (wl-set-string-width
4243                                 (- wl-summary-width 1) line nil
4244                                 'ignore-invalid)))
4245     (setq line (concat line
4246                        "\r"
4247                        (number-to-string
4248                         (elmo-msgdb-overview-entity-get-number
4249                          wl-message-entity))))
4250     (if wl-summary-highlight
4251         (wl-highlight-summary-line-string line
4252                                           wl-persistent-mark
4253                                           wl-temp-mark
4254                                           wl-thr-indent-string))
4255     line))
4256
4257 (defsubst wl-summary-proc-wday (wday-str year month mday)
4258   (save-match-data
4259     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
4260         (wl-match-string 1 wday-str)
4261       (elmo-date-get-week year month mday))))
4262
4263 (defvar wl-summary-move-spec-plugged-alist
4264   (` ((new . ((t . nil)
4265               (p . (, wl-summary-new-mark))
4266               (p . (, (wl-regexp-opt
4267                        (list wl-summary-unread-uncached-mark
4268                              wl-summary-unread-cached-mark))))
4269               (p . (, (regexp-quote wl-summary-important-mark)))))
4270       (unread . ((t . nil)
4271                  (p . (, (wl-regexp-opt
4272                           (list wl-summary-new-mark
4273                                 wl-summary-unread-uncached-mark
4274                                 wl-summary-unread-cached-mark))))
4275                  (p . (, (regexp-quote wl-summary-important-mark))))))))
4276
4277 (defvar wl-summary-move-spec-unplugged-alist
4278   (` ((new . ((t . nil)
4279               (p . (, wl-summary-unread-cached-mark))
4280               (p . (, (regexp-quote wl-summary-important-mark)))))
4281       (unread . ((t . nil)
4282                  (p . (, wl-summary-unread-cached-mark))
4283                  (p . (, (regexp-quote wl-summary-important-mark))))))))
4284
4285 (defsubst wl-summary-next-message (num direction hereto)
4286   (if wl-summary-buffer-next-message-function
4287       (funcall wl-summary-buffer-next-message-function num direction hereto)
4288     (let ((cur-spec (cdr (assq wl-summary-move-order
4289                                (if (elmo-folder-plugged-p
4290                                     wl-summary-buffer-elmo-folder)
4291                                    wl-summary-move-spec-plugged-alist
4292                                  wl-summary-move-spec-unplugged-alist))))
4293           (nums (memq num (if (eq direction 'up)
4294                               (reverse wl-summary-buffer-number-list)
4295                             wl-summary-buffer-number-list)))
4296           marked-list nums2)
4297       (unless hereto (setq nums (cdr nums)))
4298       (setq nums2 nums)
4299       (if cur-spec
4300           (catch 'done
4301             (while cur-spec
4302               (setq nums nums2)
4303               (cond ((eq (car (car cur-spec)) 'p)
4304                      (if (setq marked-list
4305                                (elmo-folder-list-messages-mark-match
4306                                 wl-summary-buffer-elmo-folder
4307                                 (cdr (car cur-spec))))
4308                          (while nums
4309                            (if (memq (car nums) marked-list)
4310                                (throw 'done (car nums)))
4311                            (setq nums (cdr nums)))))
4312                     ((eq (car (car cur-spec)) 't)
4313                      (if wl-summary-buffer-target-mark-list
4314                          (while nums
4315                            (if (memq (car nums)
4316                                      wl-summary-buffer-target-mark-list)
4317                                (throw 'done (car nums)))
4318                            (setq nums (cdr nums))))))
4319               (setq cur-spec (cdr cur-spec))))
4320         (car nums)))))
4321
4322 (defsubst wl-summary-cursor-move (direction hereto)
4323   (when (and (eq direction 'up)
4324              (eobp))
4325     (forward-line -1)
4326     (setq hereto t))
4327   (let (num)
4328     (when (setq num (wl-summary-next-message (wl-summary-message-number)
4329                                              direction hereto))
4330       (if (numberp num)
4331           (wl-thread-jump-to-msg num))
4332       t)))
4333 ;;
4334 ;; Goto unread or important
4335 ;; returns t if next message exists in this folder.
4336 (defun wl-summary-cursor-down (&optional hereto)
4337   (interactive "P")
4338   (wl-summary-cursor-move 'down hereto))
4339
4340 (defun wl-summary-cursor-up (&optional hereto)
4341   (interactive "P")
4342   (wl-summary-cursor-move 'up hereto))
4343
4344 (defun wl-summary-save-view-cache ()
4345   (save-excursion
4346     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
4347            (cache (expand-file-name wl-summary-cache-file dir))
4348            (view (expand-file-name wl-summary-view-file dir))
4349            (save-view wl-summary-buffer-view)
4350            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
4351            (refile-list (copy-sequence wl-summary-buffer-refile-list))
4352            (copy-list (copy-sequence wl-summary-buffer-copy-list))
4353            (delete-list (copy-sequence wl-summary-buffer-delete-list))
4354            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
4355            (temp-column wl-summary-buffer-temp-mark-column)
4356            (charset wl-summary-buffer-mime-charset))
4357       (if (file-directory-p dir)
4358           (); ok.
4359         (if (file-exists-p dir)
4360             (error "File %s already exists" dir)
4361           (elmo-make-directory dir)))
4362       (if (eq save-view 'thread)
4363           (wl-thread-save-entity dir))
4364       (when wl-summary-check-line-format
4365         (wl-summary-line-format-save))
4366       (unwind-protect
4367           (progn
4368             (when (file-writable-p cache)
4369               (copy-to-buffer tmp-buffer (point-min) (point-max))
4370               (with-current-buffer tmp-buffer
4371                 (widen)
4372                 (make-local-variable 'wl-summary-highlight)
4373                 (setq wl-summary-highlight nil
4374                       wl-summary-buffer-target-mark-list mark-list
4375                       wl-summary-buffer-refile-list refile-list
4376                       wl-summary-buffer-copy-list copy-list
4377                       wl-summary-buffer-delete-list delete-list
4378                       wl-summary-buffer-temp-mark-column temp-column)
4379                 (wl-summary-delete-all-temp-marks)
4380                 (encode-coding-region
4381                  (point-min) (point-max)
4382                  (or (and wl-on-mule ; one in mcs-ltn1 cannot take 2 arg.
4383                           (mime-charset-to-coding-system charset 'LF))
4384                      ;; Mule 2 doesn't have `*ctext*unix'.
4385                      (mime-charset-to-coding-system charset)))
4386                 (write-region-as-binary (point-min)(point-max)
4387                                         cache nil 'no-msg)))
4388             (when (file-writable-p view) ; 'thread or 'sequence
4389               (save-excursion
4390                 (set-buffer tmp-buffer)
4391                 (erase-buffer)
4392                 (prin1 save-view tmp-buffer)
4393                 (princ "\n" tmp-buffer)
4394                 (write-region (point-min) (point-max) view nil 'no-msg))))
4395         ;; kill tmp buffer.
4396         (kill-buffer tmp-buffer)))))
4397
4398 (defsubst wl-summary-get-sync-range (folder)
4399   (intern (or (and
4400                (elmo-folder-plugged-p folder)
4401                (wl-get-assoc-list-value
4402                 wl-folder-sync-range-alist
4403                 (elmo-folder-name-internal folder)))
4404               wl-default-sync-range)))
4405
4406 ;; redefined for wl-summary-sync-update
4407 (defun wl-summary-input-range (folder)
4408   "returns update or all or rescan."
4409   ;; for the case when parts are expanded in the bottom of the folder
4410   (let ((input-range-list '("update" "all" "rescan" "first:" "last:"
4411                             "cache-status"
4412                             "no-sync" "rescan-noscore" "all-visible"))
4413         (default (or (wl-get-assoc-list-value
4414                       wl-folder-sync-range-alist
4415                       folder)
4416                      wl-default-sync-range))
4417         range)
4418     (setq range
4419           (completing-read (format "Range (%s): " default)
4420                            (mapcar
4421                             (function (lambda (x) (cons x x)))
4422                             input-range-list)))
4423     (if (string= range "")
4424         default
4425       range)))
4426
4427 (defun wl-summary-toggle-disp-folder (&optional arg)
4428   (interactive)
4429   (let ((cur-buf (current-buffer))
4430         (summary-win (get-buffer-window (current-buffer)))
4431         fld-buf fld-win)
4432     (cond
4433      ((eq arg 'on)
4434       (setq wl-summary-buffer-disp-folder t)
4435       ;; hide your folder window
4436       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4437           (if (setq fld-win (get-buffer-window fld-buf))
4438               (delete-window fld-win))))
4439      ((eq arg 'off)
4440       (setq wl-summary-buffer-disp-folder nil)
4441       ;; hide your wl-message window!
4442       (when (buffer-live-p wl-message-buffer)
4443         (wl-message-select-buffer wl-message-buffer)
4444         (delete-window))
4445       (select-window (get-buffer-window cur-buf))
4446       ;; display wl-folder window!!
4447       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4448           (if (setq fld-win (get-buffer-window fld-buf))
4449               ;; folder win is already displayed.
4450               (select-window fld-win)
4451             ;; folder win is not displayed.
4452             (switch-to-buffer fld-buf))
4453         ;; no folder buf
4454         (wl-folder))
4455       ;; temporarily delete summary-win.
4456       (if summary-win
4457           (delete-window summary-win))
4458       (split-window-horizontally wl-folder-window-width)
4459       (other-window 1)
4460       (switch-to-buffer cur-buf))
4461      (t
4462       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4463           (if (setq fld-win (get-buffer-window fld-buf))
4464               (setq wl-summary-buffer-disp-folder nil)
4465             (setq wl-summary-buffer-disp-folder t)))
4466       (if (not wl-summary-buffer-disp-folder)
4467           ;; hide message window
4468           (let ((mes-win (and wl-message-buffer
4469                               (get-buffer-window wl-message-buffer)))
4470                 (wl-stay-folder-window t))
4471             (if mes-win (delete-window mes-win))
4472             ;; hide your folder window
4473             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4474                 (if (setq fld-win (get-buffer-window fld-buf))
4475                     (progn
4476                       (delete-window (get-buffer-window cur-buf))
4477                       (select-window fld-win)
4478                       (switch-to-buffer cur-buf))))
4479             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
4480             ;; resume message window.
4481             (when mes-win
4482               (wl-message-select-buffer wl-message-buffer)
4483               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
4484               (select-window (get-buffer-window cur-buf))))
4485         ;; hide message window
4486         (let ((wl-stay-folder-window t)
4487               (mes-win (and wl-message-buffer
4488                             (get-buffer-window wl-message-buffer))))
4489           (if mes-win (delete-window mes-win))
4490           (select-window (get-buffer-window cur-buf))
4491           ;; display wl-folder window!!
4492           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4493               (if (setq fld-win (get-buffer-window fld-buf))
4494                   ;; folder win is already displayed.
4495                   (select-window fld-win)
4496                 ;; folder win is not displayed...occupy all.
4497                 (switch-to-buffer fld-buf))
4498             ;; no folder buf
4499             (wl-folder))
4500           (split-window-horizontally wl-folder-window-width)
4501           (other-window 1)
4502           (switch-to-buffer cur-buf)
4503           ;; resume message window.
4504           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
4505           (when mes-win
4506             (wl-message-select-buffer wl-message-buffer)
4507             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
4508             (select-window (get-buffer-window cur-buf))))))))
4509   (run-hooks 'wl-summary-toggle-disp-folder-hook))
4510
4511 (defun wl-summary-toggle-disp-msg (&optional arg)
4512   (interactive)
4513   (let ((cur-buf (current-buffer))
4514         fld-buf fld-win
4515         summary-win)
4516     (cond
4517      ((eq arg 'on)
4518       (setq wl-summary-buffer-disp-msg t)
4519       (save-excursion
4520         ;; hide your folder window
4521         (if (and (not wl-stay-folder-window)
4522                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
4523             (if (setq fld-win (get-buffer-window fld-buf))
4524                 (unless (one-window-p fld-win)
4525                   (delete-window fld-win))))))
4526      ((eq arg 'off)
4527       (wl-delete-all-overlays)
4528       (setq wl-summary-buffer-disp-msg nil)
4529       (save-excursion
4530         (when (buffer-live-p wl-message-buffer)
4531           (wl-message-select-buffer wl-message-buffer)
4532           (delete-window)
4533           (and (get-buffer-window cur-buf)
4534                (select-window (get-buffer-window cur-buf))))
4535         (run-hooks 'wl-summary-toggle-disp-off-hook)))
4536      (t
4537       (if (and wl-message-buffer
4538                (get-buffer-window wl-message-buffer)) ; already displayed
4539           (setq wl-summary-buffer-disp-msg nil)
4540         (setq wl-summary-buffer-disp-msg t))
4541       (if wl-summary-buffer-disp-msg
4542           (progn
4543             (wl-summary-redisplay)
4544 ;;; hide your folder window
4545 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
4546 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
4547 ;;;             (delete-window fld-win)))
4548             (run-hooks 'wl-summary-toggle-disp-on-hook))
4549         (wl-delete-all-overlays)
4550         (save-excursion
4551           (wl-message-select-buffer wl-message-buffer)
4552           (delete-window)
4553           (select-window (get-buffer-window cur-buf))
4554           (run-hooks 'wl-summary-toggle-disp-off-hook))
4555 ;;;     (switch-to-buffer cur-buf)
4556         )))))
4557
4558 (defun wl-summary-next-line-content ()
4559   "Show next line of the message."
4560   (interactive)
4561   (let ((cur-buf (current-buffer)))
4562     (wl-summary-toggle-disp-msg 'on)
4563     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4564       (set-buffer cur-buf)
4565       (wl-message-next-page 1))))
4566
4567 (defun wl-summary-prev-line-content ()
4568   (interactive)
4569   (let ((cur-buf (current-buffer)))
4570     (wl-summary-toggle-disp-msg 'on)
4571     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4572       (set-buffer cur-buf)
4573       (wl-message-prev-page 1))))
4574
4575 (defun wl-summary-next-page ()
4576   (interactive)
4577   (let ((cur-buf (current-buffer)))
4578     (wl-summary-toggle-disp-msg 'on)
4579     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4580       (set-buffer cur-buf)
4581       (wl-message-next-page))))
4582
4583 (defun wl-summary-prev-page ()
4584   (interactive)
4585   (let ((cur-buf (current-buffer)))
4586     (wl-summary-toggle-disp-msg 'on)
4587     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4588       (set-buffer cur-buf)
4589       (wl-message-prev-page))))
4590
4591 (defsubst wl-summary-no-mime-p (folder)
4592   (wl-string-match-member (elmo-folder-name-internal folder)
4593                           wl-summary-no-mime-folder-list))
4594
4595 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
4596   "Set message buffer.
4597 If message is not displayed yet, display it.
4598 Return t if message exists."
4599   (let ((folder wl-summary-buffer-elmo-folder)
4600         (number (wl-summary-message-number))
4601         cur-folder cur-number message-last-pos)
4602     (when (buffer-live-p wl-message-buffer)
4603       (save-window-excursion
4604         (wl-message-select-buffer wl-message-buffer)
4605         (setq cur-folder wl-message-buffer-cur-folder)
4606         (setq cur-number wl-message-buffer-cur-number)))
4607     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
4608              (eq number (or cur-number 0)))
4609         (progn
4610           (set-buffer wl-message-buffer)
4611           t)
4612       (if (wl-summary-no-mime-p folder)
4613           (wl-summary-redisplay-no-mime-internal folder number)
4614         (wl-summary-redisplay-internal folder number))
4615       (when (buffer-live-p wl-message-buffer)
4616         (set-buffer wl-message-buffer))
4617       nil)))
4618
4619 (defun wl-summary-target-mark-forward (&optional arg)
4620   (interactive "P")
4621   (let ((mlist (nreverse wl-summary-buffer-target-mark-list))
4622         (summary-buf (current-buffer))
4623         (wl-draft-forward t)
4624         start-point
4625         draft-buf)
4626     (wl-summary-jump-to-msg (car mlist))
4627     (wl-summary-forward t)
4628     (setq start-point (point))
4629     (setq draft-buf (current-buffer))
4630     (setq mlist (cdr mlist))
4631     (save-window-excursion
4632       (when mlist
4633         (while mlist
4634           (set-buffer summary-buf)
4635           (wl-summary-jump-to-msg (car mlist))
4636           (wl-summary-redisplay)
4637           (set-buffer draft-buf)
4638           (goto-char (point-max))
4639           (wl-draft-insert-message)
4640           (setq mlist (cdr mlist)))
4641         (wl-draft-body-goto-top)
4642         (wl-draft-enclose-digest-region (point) (point-max)))
4643       (goto-char start-point)
4644       (save-excursion
4645         (set-buffer summary-buf)
4646         (wl-summary-delete-all-temp-marks)))
4647     (run-hooks 'wl-mail-setup-hook)))
4648
4649 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
4650   (interactive "P")
4651   (let ((mlist (nreverse wl-summary-buffer-target-mark-list))
4652         (summary-buf (current-buffer))
4653         change-major-mode-hook
4654         start-point
4655         draft-buf)
4656     (wl-summary-jump-to-msg (car mlist))
4657     (wl-summary-reply arg t)
4658     (goto-char (point-max))
4659     (setq start-point (point-marker))
4660     (setq draft-buf (current-buffer))
4661     (save-window-excursion
4662       (while mlist
4663         (set-buffer summary-buf)
4664         (delete-other-windows)
4665         (wl-summary-jump-to-msg (car mlist))
4666         (wl-summary-redisplay)
4667         (set-buffer draft-buf)
4668         (goto-char (point-max))
4669         (wl-draft-yank-original)
4670         (setq mlist (cdr mlist)))
4671       (goto-char start-point)
4672       (save-excursion
4673         (set-buffer summary-buf)
4674         (wl-summary-delete-all-temp-marks)))
4675     (run-hooks 'wl-mail-setup-hook)))
4676
4677 (defun wl-summary-reply-with-citation (&optional arg)
4678   (interactive "P")
4679   (when (wl-summary-reply arg t)
4680     (goto-char (point-max))
4681     (wl-draft-yank-original)
4682     (run-hooks 'wl-mail-setup-hook)))
4683
4684 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4685   (interactive)
4686   (let* ((original (wl-summary-message-number))
4687          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4688          (number-alist (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb)))
4689          msg otherfld schar
4690          (errmsg
4691           (format "No message with id \"%s\" in the folder." msgid)))
4692     (if (setq msg (car (rassoc msgid number-alist)))
4693 ;;;     (wl-summary-jump-to-msg-internal
4694 ;;;      (wl-summary-buffer-folder-name) msg 'no-sync)
4695         (progn
4696           (wl-thread-jump-to-msg msg)
4697           t)
4698       ;; for XEmacs!
4699       (if (and elmo-use-database
4700                (setq errmsg
4701                      (format
4702                       "No message with id \"%s\" in the database." msgid))
4703                (setq otherfld (elmo-database-msgid-get msgid)))
4704           (if (cdr (wl-summary-jump-to-msg-internal
4705                     (car otherfld) (nth 1 otherfld) 'no-sync))
4706               t ; succeed.
4707             ;; Back to original.
4708             (wl-summary-jump-to-msg-internal
4709              (wl-summary-buffer-folder-name) original 'no-sync))
4710         (cond ((eq wl-summary-search-via-nntp 'confirm)
4711                (require 'elmo-nntp)
4712                (message "Search message in nntp server \"%s\" <y/n/s(elect)>?"
4713                         elmo-nntp-default-server)
4714                (setq schar (read-char))
4715                (cond ((eq schar ?y)
4716                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4717                      ((eq schar ?s)
4718                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4719                        msgid
4720                        (read-from-minibuffer "NNTP Server: ")))
4721                      (t
4722                       (message errmsg)
4723                       nil)))
4724               (wl-summary-search-via-nntp
4725                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4726               (t
4727                (message errmsg)
4728                nil))))))
4729
4730 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4731   (interactive)
4732   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4733          newsgroups folder ret
4734          user server port type spec)
4735     (if server-spec
4736         (if (string-match "^-" server-spec)
4737             (setq spec (wl-folder-get-elmo-folder server-spec)
4738                   user (elmo-net-folder-user-internal spec)
4739                   server (elmo-net-folder-server-internal spec)
4740                   port (elmo-net-folder-port-internal spec)
4741                   type (elmo-net-folder-stream-type-internal spec))
4742           (setq server server-spec)))
4743     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4744                      msgid
4745                      (or server elmo-nntp-default-server)
4746                      (or user elmo-nntp-default-user)
4747                      (or port elmo-nntp-default-port)
4748                      (or type elmo-nntp-default-stream-type)))
4749       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4750       (setq folder (concat "-" (car newsgroups)
4751                            (elmo-nntp-folder-postfix user server port type)))
4752       (catch 'found
4753         (while newsgroups
4754           (if (wl-folder-entity-exists-p (car newsgroups)
4755                                          wl-folder-newsgroups-hashtb)
4756               (throw 'found
4757                      (setq folder (concat "-" (car newsgroups)
4758                                           (elmo-nntp-folder-postfix
4759                                            user server port type)))))
4760           (setq newsgroups (cdr newsgroups)))))
4761     (if ret
4762         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4763       (message "No message id \"%s\" in nntp server \"%s\"."
4764                msgid (or server elmo-nntp-default-server))
4765       nil)))
4766
4767 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4768   (let (wl-auto-select-first entity)
4769     (if (or (string= folder (wl-summary-buffer-folder-name))
4770             (y-or-n-p
4771              (format
4772               "Message was found in the folder \"%s\". Jump to it? "
4773               folder)))
4774         (progn
4775           (unwind-protect
4776               (wl-summary-goto-folder-subr
4777                folder scan-type nil nil t)
4778             (if msgid
4779                 (setq msg
4780                       (car (rassoc msgid
4781                                    (elmo-msgdb-get-number-alist
4782                                     (wl-summary-buffer-msgdb))))))
4783             (setq entity (wl-folder-search-entity-by-name folder
4784                                                           wl-folder-entity
4785                                                           'folder))
4786             (if entity
4787                 (wl-folder-set-current-entity-id
4788                  (wl-folder-get-entity-id entity))))
4789           (if (null msg)
4790               (message "Message was not found currently in this folder.")
4791             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4792           (cons folder msg)))))
4793
4794 (defun wl-summary-jump-to-parent-message (arg)
4795   (interactive "P")
4796   (let ((cur-buf (current-buffer))
4797         (disp-msg wl-summary-buffer-disp-msg)
4798         (number (wl-summary-message-number))
4799         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4800         (i -1) ;; xxx
4801         msg-id msg-num ref-list ref irt)
4802     (if (null number)
4803         (message "No message.")
4804       (when (eq wl-summary-buffer-view 'thread)
4805         (cond ((and arg (not (numberp arg)))
4806                (setq msg-num
4807                      (wl-thread-entity-get-number
4808                       (wl-thread-entity-get-top-entity
4809                        (wl-thread-get-entity number)))))
4810               ((and arg (numberp arg))
4811                (setq i 0)
4812                (setq msg-num number)
4813                (while (< i arg)
4814                  (setq msg-num
4815                        (wl-thread-entity-get-number
4816                         (wl-thread-entity-get-parent-entity
4817                          (wl-thread-get-entity msg-num))))
4818                  (setq i (1+ i))))
4819               (t (setq msg-num
4820                        (wl-thread-entity-get-number
4821                         (wl-thread-entity-get-parent-entity
4822                          (wl-thread-get-entity number)))))))
4823       (when (null msg-num)
4824         (wl-summary-set-message-buffer-or-redisplay)
4825         (set-buffer (wl-message-get-original-buffer))
4826         (message "Searching parent message...")
4827         (setq ref (std11-field-body "References")
4828               irt (std11-field-body "In-Reply-To"))
4829         (cond
4830          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4831                (string-match regexp ref))
4832           ;; The first message of the thread.
4833           (setq msg-id (wl-match-string 1 ref)))
4834          ;; "In-Reply-To:" has only one msg-id.
4835          ((and (null arg) irt (not (string= irt ""))
4836                (string-match regexp irt))
4837           (setq msg-id (wl-match-string 1 irt)))
4838          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4839                (string-match regexp ref))
4840           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4841           (while (string-match regexp ref)
4842             (setq ref-list
4843                   (append (list
4844                            (wl-match-string 1 ref))
4845                           ref-list))
4846             (setq ref (substring ref (match-end 0)))
4847             (setq i (1+ i)))
4848           (setq msg-id
4849                 (if (null arg) (nth 0 ref-list) ;; previous
4850                   (if (<= arg i) (nth (1- arg) ref-list)
4851                     (nth i ref-list))))))
4852         (set-buffer cur-buf)
4853         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4854       (cond ((and (null msg-id) (null msg-num))
4855              (message "No parent message!")
4856              nil)
4857             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4858              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4859              (message "Searching parent message...done")
4860              t)
4861             ((and msg-num (wl-summary-jump-to-msg msg-num))
4862              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4863              (message "Searching parent message...done")
4864              t)
4865             (t ; failed.
4866              (message "Parent message was not found.")
4867              nil)))))
4868
4869 (defun wl-summary-reply (&optional arg without-setup-hook)
4870   "Reply to current message. Default is \"wide\" reply.
4871 Reply to author if invoked with ARG."
4872   (interactive "P")
4873   (let ((folder wl-summary-buffer-elmo-folder)
4874         (number (wl-summary-message-number))
4875         (summary-buf (current-buffer))
4876         mes-buf)
4877     (when number
4878       (save-excursion
4879         (wl-summary-redisplay-internal folder number))
4880       (setq mes-buf wl-message-buffer)
4881       (wl-message-select-buffer wl-message-buffer)
4882       (set-buffer mes-buf)
4883       (goto-char (point-min))
4884       (unless wl-draft-use-frame
4885         (split-window-vertically)
4886         (other-window 1))
4887       (when (setq mes-buf (wl-message-get-original-buffer))
4888         (wl-draft-reply mes-buf arg summary-buf)
4889         (unless without-setup-hook
4890           (run-hooks 'wl-mail-setup-hook)))
4891       t)))
4892
4893 (defun wl-summary-write ()
4894   "Write a new draft from Summary."
4895   (interactive)
4896   (wl-draft (list (cons 'To ""))
4897             nil nil nil nil (wl-summary-buffer-folder-name))
4898   (run-hooks 'wl-mail-setup-hook)
4899   (mail-position-on-field "To"))
4900
4901 (defvar wl-summary-write-current-folder-functions
4902   '(wl-folder-get-newsgroups
4903     wl-folder-guess-mailing-list-by-refile-rule
4904     wl-folder-guess-mailing-list-by-folder-name)
4905   "Newsgroups or Mailing List address guess functions list.
4906 Call from `wl-summary-write-current-folder'.
4907 When guess function return nil, challenge next guess-function.")
4908
4909 (defun wl-summary-write-current-folder (&optional folder)
4910   "Write message to current FOLDER's newsgroup or mailing-list.
4911 Use function list is `wl-summary-write-current-folder-functions'."
4912   (interactive)
4913   ;; default FOLDER is current buffer folder
4914   (setq folder (or folder (wl-summary-buffer-folder-name)))
4915   (let ((func-list wl-summary-write-current-folder-functions)
4916         guess-list guess-func)
4917     (while func-list
4918       (setq guess-list (funcall (car func-list) folder))
4919       (if (null guess-list)
4920           (setq func-list (cdr func-list))
4921         (setq guess-func (car func-list))
4922         (setq func-list nil)))
4923     (if (null guess-func)
4924         (wl-summary-write)
4925       (unless (or (stringp (nth 0 guess-list))
4926                   (stringp (nth 1 guess-list))
4927                   (stringp (nth 2 guess-list)))
4928         (error "Invalid value return guess function `%s'"
4929                (symbol-name guess-func)))
4930       (wl-draft (list (cons 'To (nth 0 guess-list))
4931                       (cons 'Cc (nth 1 guess-list))
4932                       (cons 'Newsgroups (nth 2 guess-list)))
4933                 nil nil nil nil folder)
4934       (run-hooks 'wl-mail-setup-hook)
4935       (mail-position-on-field "Subject"))))
4936
4937 (defun wl-summary-forward (&optional without-setup-hook)
4938   ""
4939   (interactive)
4940   (let ((folder wl-summary-buffer-elmo-folder)
4941         (number (wl-summary-message-number))
4942         (summary-buf (current-buffer))
4943         (wl-draft-forward t)
4944         mes-buf
4945         entity subject num)
4946     (if (null number)
4947         (message "No message.")
4948       (if (and (elmo-message-use-cache-p folder number)
4949                (eq (elmo-file-cache-status
4950                     (elmo-file-cache-get
4951                      (elmo-message-field folder number 'message-id)))
4952                    'section))
4953           ;; Reload.
4954           (wl-summary-redisplay-internal nil nil 'force-reload)
4955         (wl-summary-redisplay-internal folder number))
4956       (setq mes-buf wl-message-buffer)
4957       (wl-message-select-buffer mes-buf)
4958       (unless wl-draft-use-frame
4959         (split-window-vertically)
4960         (other-window 1))
4961       ;; get original subject.
4962       (if summary-buf
4963           (save-excursion
4964             (set-buffer summary-buf)
4965             (setq subject
4966                   (or (elmo-message-field folder number 'subject) ""))))
4967       (set-buffer mes-buf)
4968       (wl-draft-forward subject summary-buf)
4969       (unless without-setup-hook
4970         (run-hooks 'wl-mail-setup-hook)))))
4971
4972 (defun wl-summary-click (e)
4973   (interactive "e")
4974   (mouse-set-point e)
4975   (wl-summary-read))
4976
4977 (defun wl-summary-read ()
4978   "Proceed reading message in the summary buffer."
4979   (interactive)
4980   (let ((cur-buf (current-buffer)))
4981     (wl-summary-toggle-disp-msg 'on)
4982     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4983       (set-buffer cur-buf)
4984       (if (wl-message-next-page)
4985           (wl-summary-down t)))))
4986
4987 (defsubst wl-summary-cursor-move-surface (downward interactive)
4988   (if wl-summary-move-direction-toggle
4989       (setq wl-summary-move-direction-downward downward))
4990   (let ((start (point))
4991         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4992         (skip t)
4993         skip-pmark-regexp goto-next next-entity finfo)
4994     (if (elmo-folder-plugged-p wl-summary-buffer-elmo-folder)
4995         ()
4996       (setq skip-pmark-regexp
4997             (wl-regexp-opt (list " "
4998                                  wl-summary-unread-cached-mark
4999                                  wl-summary-important-mark))))
5000     (while (and skip
5001                 (not (if downward (eobp) (bobp))))
5002       (if downward
5003           (forward-line 1)
5004         (forward-line -1))
5005       (setq skip (or (string-match skip-tmark-regexp
5006                                    (save-excursion
5007                                      (wl-summary-temp-mark)))
5008                      (and skip-pmark-regexp
5009                           (not (string-match
5010                                 skip-pmark-regexp
5011                                 (save-excursion
5012                                   (wl-summary-persistent-mark))))))))
5013
5014     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
5015     (if (or (eobp) (and (bobp) skip))
5016         (goto-char start))
5017
5018     (beginning-of-line)
5019
5020     (if (not goto-next)
5021         (if wl-summary-buffer-disp-msg
5022             (wl-summary-redisplay))
5023       (if interactive
5024           (cond
5025            ((and (not downward) wl-summary-buffer-prev-folder-function)
5026             (funcall wl-summary-buffer-prev-folder-function))
5027            ((and downward wl-summary-buffer-next-folder-function)
5028             (funcall wl-summary-buffer-next-folder-function))
5029            (t
5030             (when wl-auto-select-next
5031               (setq next-entity
5032                     (if downward
5033                         (wl-summary-get-next-folder)
5034                       (wl-summary-get-prev-folder)))
5035               (if next-entity
5036                   (setq finfo (wl-folder-get-entity-info next-entity))))
5037             (wl-ask-folder
5038              '(lambda () (wl-summary-next-folder-or-exit next-entity))
5039              (format
5040               "No more messages. Type SPC to go to %s."
5041               (wl-summary-entity-info-msg next-entity finfo)))))))))
5042
5043 (defun wl-summary-prev (&optional interactive)
5044   (interactive)
5045   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
5046
5047 (defun wl-summary-next (&optional interactive)
5048   (interactive)
5049   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
5050
5051 (defun wl-summary-up (&optional interactive skip-no-unread)
5052   ""
5053   (interactive)
5054   (if wl-summary-move-direction-toggle
5055       (setq wl-summary-move-direction-downward nil))
5056   (if (wl-summary-cursor-up)
5057       (if wl-summary-buffer-disp-msg
5058           (wl-summary-redisplay))
5059     (if (or interactive
5060             (interactive-p))
5061         (if wl-summary-buffer-prev-folder-function
5062             (funcall wl-summary-buffer-prev-folder-function)
5063           (let (next-entity finfo)
5064             (when wl-auto-select-next
5065               (progn
5066                 (setq next-entity (wl-summary-get-prev-unread-folder))
5067                 (if next-entity
5068                     (setq finfo (wl-folder-get-entity-info next-entity)))))
5069             (if (and skip-no-unread
5070                      (eq wl-auto-select-next 'skip-no-unread))
5071                 (wl-summary-next-folder-or-exit next-entity t)
5072               (wl-ask-folder
5073                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
5074                (format
5075                 "No more unread messages. Type SPC to go to %s."
5076                 (wl-summary-entity-info-msg next-entity finfo)))))))))
5077
5078 (defun wl-summary-get-prev-folder ()
5079   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5080         last-entity cur-id)
5081     (when folder-buf
5082       (setq cur-id (save-excursion (set-buffer folder-buf)
5083                                    wl-folder-buffer-cur-entity-id))
5084       (wl-folder-get-prev-folder cur-id))))
5085
5086 (defun wl-summary-get-next-folder ()
5087   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5088         cur-id)
5089     (when folder-buf
5090       (setq cur-id (save-excursion (set-buffer folder-buf)
5091                                    wl-folder-buffer-cur-entity-id))
5092       (wl-folder-get-next-folder cur-id))))
5093
5094 (defun wl-summary-get-next-unread-folder ()
5095   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5096         cur-id)
5097     (when folder-buf
5098       (setq cur-id (save-excursion (set-buffer folder-buf)
5099                                    wl-folder-buffer-cur-entity-id))
5100       (wl-folder-get-next-folder cur-id 'unread))))
5101
5102 (defun wl-summary-get-prev-unread-folder ()
5103   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5104         cur-id)
5105     (when folder-buf
5106       (setq cur-id (save-excursion (set-buffer folder-buf)
5107                                    wl-folder-buffer-cur-entity-id))
5108       (wl-folder-get-prev-folder cur-id 'unread))))
5109
5110 (defun wl-summary-down (&optional interactive skip-no-unread)
5111   (interactive)
5112   (if wl-summary-move-direction-toggle
5113       (setq wl-summary-move-direction-downward t))
5114   (if (wl-summary-cursor-down)
5115       (if wl-summary-buffer-disp-msg
5116           (wl-summary-redisplay))
5117     (if (or interactive
5118             (interactive-p))
5119         (if wl-summary-buffer-next-folder-function
5120             (funcall wl-summary-buffer-next-folder-function)
5121           (let (next-entity finfo)
5122             (when wl-auto-select-next
5123               (setq next-entity (wl-summary-get-next-unread-folder)))
5124             (if next-entity
5125                 (setq finfo (wl-folder-get-entity-info next-entity)))
5126             (if (and skip-no-unread
5127                      (eq wl-auto-select-next 'skip-no-unread))
5128                 (wl-summary-next-folder-or-exit next-entity)
5129               (wl-ask-folder
5130                '(lambda () (wl-summary-next-folder-or-exit next-entity))
5131                (format
5132                 "No more unread messages. Type SPC to go to %s."
5133                 (wl-summary-entity-info-msg next-entity finfo)))))))))
5134
5135 (defun wl-summary-goto-last-displayed-msg ()
5136   (interactive)
5137   (unless wl-summary-buffer-last-displayed-msg
5138     (setq wl-summary-buffer-last-displayed-msg
5139           wl-summary-buffer-current-msg))
5140   (if wl-summary-buffer-last-displayed-msg
5141       (progn
5142         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
5143         (if wl-summary-buffer-disp-msg
5144             (wl-summary-redisplay)))
5145     (message "No last message.")))
5146
5147 (defun wl-summary-redisplay (&optional arg)
5148   (interactive "P")
5149   (if (and (not arg)
5150            (wl-summary-no-mime-p wl-summary-buffer-elmo-folder))
5151       (wl-summary-redisplay-no-mime)
5152     (wl-summary-redisplay-internal nil nil arg)))
5153
5154 (defsubst wl-summary-redisplay-internal (&optional folder number force-reload)
5155   (interactive)
5156   (let* ((msgdb (wl-summary-buffer-msgdb))
5157          (folder (or folder wl-summary-buffer-elmo-folder))
5158          (num (or number (wl-summary-message-number)))
5159          (wl-mime-charset      wl-summary-buffer-mime-charset)
5160          (default-mime-charset wl-summary-buffer-mime-charset)
5161          fld-buf fld-win thr-entity)
5162     (if (and wl-thread-open-reading-thread
5163              (eq wl-summary-buffer-view 'thread)
5164              (not (wl-thread-entity-get-opened
5165                    (setq thr-entity (wl-thread-get-entity
5166                                      num))))
5167              (wl-thread-entity-get-children thr-entity))
5168         (wl-thread-force-open))
5169     (if num
5170         (progn
5171           (setq wl-summary-buffer-disp-msg t)
5172           (setq wl-summary-buffer-last-displayed-msg
5173                 wl-summary-buffer-current-msg)
5174           ;; hide folder window
5175           (if (and (not wl-stay-folder-window)
5176                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
5177               (if (setq fld-win (get-buffer-window fld-buf))
5178                   (delete-window fld-win)))
5179           (setq wl-current-summary-buffer (current-buffer))
5180           (wl-summary-mark-as-read
5181            num
5182            ;; not fetched, then change server-mark.
5183            (if (wl-message-redisplay folder num 'mime
5184                                      (or force-reload
5185                                          (string= (elmo-folder-name-internal
5186                                                    folder)
5187                                                   wl-draft-folder)))
5188                nil
5189              ;; plugged, then leave server-mark.
5190              (if (and
5191                   (not
5192                    (elmo-folder-local-p
5193                     wl-summary-buffer-elmo-folder))
5194                   (elmo-folder-plugged-p
5195                    wl-summary-buffer-elmo-folder))
5196                  'leave)))
5197           (setq wl-summary-buffer-current-msg num)
5198           (when wl-summary-recenter
5199             (recenter (/ (- (window-height) 2) 2))
5200             (if (not wl-summary-indent-length-limit)
5201                 (wl-horizontal-recenter)))
5202           (wl-highlight-summary-displaying)
5203           (wl-message-buffer-prefetch-next folder num
5204                                            wl-message-buffer-prefetch-depth
5205                                            (current-buffer)
5206                                            wl-summary-buffer-mime-charset)
5207           (run-hooks 'wl-summary-redisplay-hook))
5208       (message "No message to display."))))
5209
5210 (defun wl-summary-redisplay-no-mime (&optional ask-coding)
5211   "Display message without MIME decoding.
5212 If ASK-CODING is non-nil, coding-system for the message is asked."
5213   (interactive "P")
5214   (let ((elmo-mime-display-as-is-coding-system
5215          (if ask-coding
5216              (or (read-coding-system "Coding system: ")
5217                  elmo-mime-display-as-is-coding-system)
5218            elmo-mime-display-as-is-coding-system)))
5219     (wl-summary-redisplay-no-mime-internal)))
5220
5221 (defun wl-summary-redisplay-no-mime-internal (&optional folder number)
5222   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
5223          (num (or number (wl-summary-message-number)))
5224          wl-break-pages)
5225     (if num
5226         (progn
5227           (setq wl-summary-buffer-disp-msg t)
5228           (setq wl-summary-buffer-last-displayed-msg
5229                 wl-summary-buffer-current-msg)
5230           (setq wl-current-summary-buffer (current-buffer))
5231           (wl-message-redisplay fld num 'as-is
5232                                 (string= (elmo-folder-name-internal fld)
5233                                          wl-draft-folder))
5234           (wl-summary-mark-as-read num)
5235           (setq wl-summary-buffer-current-msg num)
5236           (when wl-summary-recenter
5237             (recenter (/ (- (window-height) 2) 2))
5238             (if (not wl-summary-indent-length-limit)
5239                 (wl-horizontal-recenter)))
5240           (wl-highlight-summary-displaying)
5241           (run-hooks 'wl-summary-redisplay-hook))
5242       (message "No message to display.")
5243       (wl-ask-folder 'wl-summary-exit
5244                      "No more messages. Type SPC to go to folder mode."))))
5245
5246 (defun wl-summary-redisplay-all-header (&optional folder number)
5247   (interactive)
5248   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
5249          (num (or number (wl-summary-message-number)))
5250          (wl-mime-charset      wl-summary-buffer-mime-charset)
5251          (default-mime-charset wl-summary-buffer-mime-charset))
5252     (if num
5253         (progn
5254           (setq wl-summary-buffer-disp-msg t)
5255           (setq wl-summary-buffer-last-displayed-msg
5256                 wl-summary-buffer-current-msg)
5257           (setq wl-current-summary-buffer (current-buffer))
5258           (if (wl-message-redisplay fld num 'all-header
5259                                     (string= (elmo-folder-name-internal fld)
5260                                              wl-draft-folder))
5261               (wl-summary-mark-as-read num))
5262           (setq wl-summary-buffer-current-msg num)
5263           (when wl-summary-recenter
5264             (recenter (/ (- (window-height) 2) 2))
5265             (if (not wl-summary-indent-length-limit)
5266                 (wl-horizontal-recenter)))
5267           (wl-highlight-summary-displaying)
5268           (run-hooks 'wl-summary-redisplay-hook))
5269       (message "No message to display."))))
5270
5271 (defun wl-summary-jump-to-current-message ()
5272   "Jump into Message buffer."
5273   (interactive)
5274   (let (message-buf message-win)
5275     (if (setq message-buf wl-message-buffer)
5276         (if (setq message-win (get-buffer-window message-buf))
5277             (select-window message-win)
5278           (wl-message-select-buffer wl-message-buffer))
5279       (wl-summary-redisplay)
5280       (wl-message-select-buffer wl-message-buffer))))
5281
5282 (defun wl-summary-cancel-message ()
5283   "Cancel an article on news."
5284   (interactive)
5285   (if (null (wl-summary-message-number))
5286       (message "No message.")
5287     (let ((summary-buf (current-buffer))
5288           message-buf)
5289       (wl-summary-set-message-buffer-or-redisplay)
5290       (if (setq message-buf (wl-message-get-original-buffer))
5291           (set-buffer message-buf))
5292       (unless (wl-message-news-p)
5293         (set-buffer summary-buf)
5294         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
5295                      'nntp)
5296                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
5297             (progn
5298               (wl-summary-redisplay t)
5299               (wl-summary-supersedes-message))
5300           (error "This is not a news article; supersedes is impossible")))
5301       (when (yes-or-no-p "Do you really want to cancel this article? ")
5302         (let (from newsgroups message-id distribution buf)
5303           (save-excursion
5304             (setq from (std11-field-body "from")
5305                   newsgroups (std11-field-body "newsgroups")
5306                   message-id (std11-field-body "message-id")
5307                   distribution (std11-field-body "distribution"))
5308             ;; Make sure that this article was written by the user.
5309             (unless (wl-address-user-mail-address-p
5310                      (wl-address-header-extract-address
5311                       (car (wl-parse-addresses from))))
5312               (error "This article is not yours"))
5313             ;; Make control message.
5314             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
5315             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
5316             (buffer-disable-undo (current-buffer))
5317             (erase-buffer)
5318             (insert "Newsgroups: " newsgroups "\n"
5319                     "From: " (wl-address-header-extract-address
5320                               wl-from) "\n"
5321                               "Subject: cmsg cancel " message-id "\n"
5322                               "Control: cancel " message-id "\n"
5323                               (if distribution
5324                                   (concat "Distribution: " distribution "\n")
5325                                 "")
5326                               mail-header-separator "\n"
5327                               wl-summary-cancel-message)
5328             (message "Canceling your message...")
5329             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
5330             (message "Canceling your message...done")))))))
5331
5332 (defun wl-summary-supersedes-message ()
5333   "Supersede current message."
5334   (interactive)
5335   (let ((summary-buf (current-buffer))
5336         message-buf from)
5337     (wl-summary-set-message-buffer-or-redisplay)
5338     (if (setq message-buf (wl-message-get-original-buffer))
5339         (set-buffer message-buf))
5340     (unless (wl-message-news-p)
5341       (set-buffer summary-buf)
5342       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
5343                    'nntp)
5344                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
5345           (progn
5346             (wl-summary-redisplay t)
5347             (wl-summary-supersedes-message))
5348         (error "This is not a news article; supersedes is impossible")))
5349     (save-excursion
5350       (setq from (std11-field-body "from"))
5351       ;; Make sure that this article was written by the user.
5352       (unless (wl-address-user-mail-address-p
5353                (wl-address-header-extract-address
5354                 (car (wl-parse-addresses from))))
5355         (error "This article is not yours"))
5356       (let* ((message-id (std11-field-body "message-id"))
5357              (followup-to (std11-field-body "followup-to"))
5358              (mail-default-headers
5359               (concat mail-default-headers
5360                       "Supersedes: " message-id "\n"
5361                       (and followup-to
5362                            (concat "Followup-To: " followup-to "\n")))))
5363         (if message-buf (set-buffer message-buf))
5364         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
5365
5366 (defun wl-summary-save (&optional arg wl-save-dir)
5367   "Save current message to disk."
5368   (interactive)
5369   (let ((filename)
5370         (num (wl-summary-message-number)))
5371     (if (null wl-save-dir)
5372         (setq wl-save-dir wl-temporary-file-directory))
5373     (if num
5374         (save-excursion
5375           (setq filename (expand-file-name
5376                           (int-to-string num)
5377                           wl-save-dir))
5378           (if (null (and arg
5379                          (null (file-exists-p filename))))
5380               (setq filename
5381                     (read-file-name "Save to file: " filename)))
5382
5383           (wl-summary-set-message-buffer-or-redisplay)
5384           (set-buffer (wl-message-get-original-buffer))
5385           (if (and (null arg) (file-exists-p filename))
5386               (if (y-or-n-p "File already exists.  override it? ")
5387                   (write-region (point-min) (point-max) filename))
5388             (write-region (point-min) (point-max) filename)))
5389       (message "No message to save."))
5390     num))
5391
5392 (defun wl-summary-save-region (beg end)
5393   (interactive "r")
5394   (save-excursion
5395     (save-restriction
5396       (narrow-to-region beg end)
5397       (goto-char (point-min))
5398       (let ((wl-save-dir
5399              (wl-read-directory-name "Save to directory: "
5400                                      wl-temporary-file-directory)))
5401         (if (null (file-exists-p wl-save-dir))
5402             (make-directory wl-save-dir))
5403         (if (eq wl-summary-buffer-view 'thread)
5404             (progn
5405               (while (not (eobp))
5406                 (let* ((number (wl-summary-message-number))
5407                        (entity (wl-thread-get-entity number)))
5408                   (if (wl-thread-entity-get-opened entity)
5409                       (wl-summary-save t wl-save-dir)
5410                     ;; closed
5411                     (wl-summary-save t wl-save-dir))
5412                   (forward-line 1))))
5413           (while (not (eobp))
5414             (wl-summary-save t wl-save-dir)
5415             (forward-line 1)))))))
5416
5417 ;; mew-summary-pipe-message()
5418 (defun wl-summary-pipe-message (prefix command)
5419   "Send this message via pipe."
5420   (interactive (list current-prefix-arg nil))
5421   (if (null (wl-summary-message-number))
5422       (message "No message.")
5423     (setq command (read-string "Shell command on message: "
5424                                wl-summary-shell-command-last))
5425     (if (y-or-n-p "Send this message to pipe? ")
5426         (wl-summary-pipe-message-subr prefix command))))
5427
5428 (defun wl-summary-target-mark-pipe (prefix command)
5429   "Send each marked messages via pipe."
5430   (interactive (list current-prefix-arg nil))
5431   (if (null wl-summary-buffer-target-mark-list)
5432       (message "No marked message.")
5433     (setq command (read-string "Shell command on each marked message: "
5434                                wl-summary-shell-command-last))
5435     (when (y-or-n-p "Send each marked message to pipe? ")
5436       (while (car wl-summary-buffer-target-mark-list)
5437         (let ((num (car wl-summary-buffer-target-mark-list)))
5438           (wl-thread-jump-to-msg num)
5439           (wl-summary-pipe-message-subr prefix command)
5440           (wl-summary-unmark num))))))
5441
5442 (defun wl-summary-pipe-message-subr (prefix command)
5443   (save-excursion
5444     (wl-summary-set-message-buffer-or-redisplay)
5445     (set-buffer (wl-message-get-original-buffer))
5446     (if (string= command "")
5447         (setq command wl-summary-shell-command-last))
5448     (goto-char (point-min)) ; perhaps this line won't be necessary
5449     (if prefix
5450         (search-forward "\n\n"))
5451     (shell-command-on-region (point) (point-max) command nil)
5452     (setq wl-summary-shell-command-last command)))
5453
5454 (defun wl-summary-print-message (&optional arg)
5455   (interactive "P")
5456   (if (null (wl-summary-message-number))
5457       (message "No message.")
5458     (save-excursion
5459       (wl-summary-set-message-buffer-or-redisplay)
5460       (if (or (not (interactive-p))
5461               (y-or-n-p "Print ok? "))
5462           (progn
5463             (let ((buffer (generate-new-buffer " *print*")))
5464               (copy-to-buffer buffer (point-min) (point-max))
5465               (set-buffer buffer)
5466               (funcall wl-print-buffer-function)
5467               (kill-buffer buffer)))
5468         (message "")))))
5469
5470 (defun wl-summary-print-message-with-ps-print (&optional filename)
5471   "Print message via ps-print."
5472   (interactive)
5473   (if (null (wl-summary-message-number))
5474       (message "No message.")
5475     (setq filename (ps-print-preprint current-prefix-arg))
5476     (if (or (not (interactive-p))
5477             (y-or-n-p "Print ok? "))
5478         (let ((summary-buffer (current-buffer))
5479               wl-break-pages)
5480           (save-excursion
5481             (wl-summary-set-message-buffer-or-redisplay)
5482             ;; (wl-summary-redisplay-internal)
5483             (let* ((buffer (generate-new-buffer " *print*"))
5484                    (entity (progn
5485                              (set-buffer summary-buffer)
5486                              (assoc (cdr (assq
5487                                           (wl-summary-message-number)
5488                                           (elmo-msgdb-get-number-alist
5489                                            (wl-summary-buffer-msgdb))))
5490                                     (elmo-msgdb-get-overview
5491                                      (wl-summary-buffer-msgdb)))))
5492                    (wl-ps-subject
5493                     (and entity
5494                          (or (elmo-msgdb-overview-entity-get-subject entity)
5495                              "")))
5496                    (wl-ps-from
5497                     (and entity
5498                          (or (elmo-msgdb-overview-entity-get-from entity) "")))
5499                    (wl-ps-date
5500                     (and entity
5501                          (or (elmo-msgdb-overview-entity-get-date entity) ""))))
5502               (run-hooks 'wl-ps-preprint-hook)
5503               (set-buffer wl-message-buffer)
5504               (copy-to-buffer buffer (point-min) (point-max))
5505               (set-buffer buffer)
5506               (unwind-protect
5507                   (let ((ps-left-header
5508                          (list (concat "(" wl-ps-subject ")")
5509                                (concat "(" wl-ps-from ")")))
5510                         (ps-right-header
5511                          (list "/pagenumberstring load"
5512                                (concat "(" wl-ps-date ")"))))
5513                     (run-hooks 'wl-ps-print-hook)
5514                     (funcall wl-ps-print-buffer-function filename))
5515                 (kill-buffer buffer)))))
5516       (message ""))))
5517
5518 (if (featurep 'ps-print) ; ps-print is available.
5519     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
5520
5521 (defun wl-summary-target-mark-print ()
5522   (interactive)
5523   (if (null wl-summary-buffer-target-mark-list)
5524       (message "No marked message.")
5525     (when (y-or-n-p "Print all marked messages. OK? ")
5526       (while (car wl-summary-buffer-target-mark-list)
5527         (let ((num (car wl-summary-buffer-target-mark-list)))
5528           (wl-thread-jump-to-msg num)
5529           (wl-summary-print-message)
5530           (wl-summary-unmark num))))))
5531
5532 (defun wl-summary-folder-info-update ()
5533   (let ((folder (elmo-string (wl-summary-buffer-folder-name)))
5534         (num-db (elmo-msgdb-get-number-alist
5535                  (wl-summary-buffer-msgdb))))
5536     (wl-folder-set-folder-updated folder
5537                                   (list 0
5538                                         (+ wl-summary-buffer-unread-count
5539                                            wl-summary-buffer-new-count)
5540                                         (length num-db)))))
5541
5542 (defun wl-summary-get-original-buffer ()
5543   "Get original buffer for the current summary."
5544   (save-excursion
5545     (wl-summary-set-message-buffer-or-redisplay)
5546     (wl-message-get-original-buffer)))
5547
5548 (defun wl-summary-pack-number (&optional arg)
5549   (interactive "P")
5550   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
5551   (let (wl-use-scoring)
5552     (wl-summary-rescan)))
5553
5554 (defun wl-summary-target-mark-uudecode ()
5555   (interactive)
5556   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
5557         (summary-buf (current-buffer))
5558         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
5559         orig-buf i k filename rc errmsg)
5560     (setq i 1)
5561     (setq k (length mlist))
5562     (set-buffer tmp-buf)
5563     (erase-buffer)
5564     (save-window-excursion
5565       (while mlist
5566         (set-buffer summary-buf)
5567         (wl-summary-jump-to-msg (car mlist))
5568         (wl-summary-redisplay)
5569         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
5570         (goto-char (point-min))
5571         (cond ((= i 1) ; first
5572                (if (setq filename (wl-message-uu-substring
5573                                    orig-buf tmp-buf t
5574                                    (= i k)))
5575                    nil
5576                  (error "Can't find begin line")))
5577               ((< i k)
5578                (wl-message-uu-substring orig-buf tmp-buf))
5579               (t ; last
5580                (wl-message-uu-substring orig-buf tmp-buf nil t)))
5581         (setq i (1+ i))
5582         (setq mlist (cdr mlist)))
5583       (set-buffer tmp-buf)
5584       (message "Exec %s..." wl-prog-uudecode)
5585       (unwind-protect
5586           (let ((decode-dir wl-temporary-file-directory))
5587             (if (not wl-prog-uudecode-no-stdout-option)
5588                 (setq filename (read-file-name "Save to file: "
5589                                                (expand-file-name
5590                                                 (elmo-safe-filename filename)
5591                                                 wl-temporary-file-directory)))
5592               (setq decode-dir
5593                     (wl-read-directory-name "Save to directory: "
5594                                             wl-temporary-file-directory))
5595               (setq filename (expand-file-name filename decode-dir)))
5596             (if (file-exists-p filename)
5597                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
5598                                          filename))
5599                     (error "")))
5600             (elmo-bind-directory
5601              decode-dir
5602              (setq rc
5603                    (as-binary-process
5604                     (apply 'call-process-region (point-min) (point-max)
5605                            wl-prog-uudecode t (current-buffer) nil
5606                            wl-prog-uudecode-arg))))
5607             (when (not (= 0 rc))
5608               (setq errmsg (buffer-substring (point-min)(point-max)))
5609               (error "Uudecode error: %s" errmsg))
5610             (if (not wl-prog-uudecode-no-stdout-option)
5611                 (let (file-name-handler-alist) ;; void jka-compr
5612                   (as-binary-output-file
5613                    (write-region (point-min) (point-max)
5614                                  filename nil 'no-msg))))
5615             (save-excursion
5616               (set-buffer summary-buf)
5617               (wl-summary-delete-all-temp-marks))
5618             (if (file-exists-p filename)
5619                 (message "Saved as %s" filename)))
5620         (kill-buffer tmp-buf)))))
5621
5622 ;; Someday
5623 ;; (defun wl-summary-drop-unsync ()
5624 ;;   "Drop all unsync messages."
5625 ;;   (interactive)
5626 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
5627 ;;       (error "You cannot drop unsync messages in this folder"))
5628 ;;   (if (or (not (interactive-p))
5629 ;;        (y-or-n-p "Drop all unsync messages? "))
5630 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
5631 ;;                         (wl-summary-buffer-folder-name)))
5632 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
5633 ;;           (sum 0)
5634 ;;           (multi-num 0)
5635 ;;           pair)
5636 ;;      (message "Dropping...")
5637 ;;      (while folder-list
5638 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
5639 ;;        (when is-multi ;; dirty hack...
5640 ;;          (incf multi-num)
5641 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
5642 ;;                          (car pair))))
5643 ;;        (elmo-msgdb-set-number-alist
5644 ;;         (wl-summary-buffer-msgdb)
5645 ;;         (nconc
5646 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5647 ;;          (list (cons (car pair) nil))))
5648 ;;        (setq sum (+ sum (cdr pair)))
5649 ;;        (setq folder-list (cdr folder-list)))
5650 ;;      (wl-summary-set-message-modified)
5651 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5652 ;;                                    (list 0
5653 ;;                                          (+ wl-summary-buffer-unread-count
5654 ;;                                             wl-summary-buffer-new-count)
5655 ;;                                          sum))
5656 ;;      (message "Dropping...done"))))
5657
5658 (defun wl-summary-default-get-next-msg (msg)
5659   (or (wl-summary-next-message msg
5660                                (if wl-summary-move-direction-downward 'down
5661                                  'up)
5662                                nil)
5663       (cadr (memq msg (if wl-summary-move-direction-downward
5664                           wl-summary-buffer-number-list
5665                         (reverse wl-summary-buffer-number-list))))))
5666
5667 (defun wl-summary-save-current-message ()
5668   "Save current message for `wl-summary-yank-saved-message'."
5669   (interactive)
5670   (let ((number (wl-summary-message-number)))
5671     (setq wl-summary-buffer-saved-message number)
5672     (and number (message "No: %s is saved." number))))
5673
5674 (defun wl-summary-yank-saved-message ()
5675   "Set current message as a parent of the saved message."
5676   (interactive)
5677   (if wl-summary-buffer-saved-message
5678       (let ((number (wl-summary-message-number)))
5679         (if (eq wl-summary-buffer-saved-message number)
5680             (message "Cannot set itself as a parent.")
5681           (save-excursion
5682             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5683             (wl-thread-set-parent number)
5684             (wl-summary-set-thread-modified))
5685           (setq  wl-summary-buffer-saved-message nil)))
5686     (message "There's no saved message.")))
5687
5688 (require 'product)
5689 (product-provide (provide 'wl-summary) (require 'wl-version))
5690
5691 ;;; wl-summary.el ends here