wl/wl-summary.el

   1 ;;; wl-summary.el --- Summary mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5 ;; Copyright (C) 1999,2000      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
   6 ;; Copyright (C) 1999,2000      Kenichi OKADA <okada@opaopa.org>
   7
   8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   9 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
  10 ;;      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
  11 ;;      Kenichi OKADA <okada@opaopa.org>
  12 ;; Keywords: mail, net news
  13
  14 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  15
  16 ;; This program is free software; you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation; either version 2, or (at your option)
  19 ;; any later version.
  20 ;;
  21 ;; This program is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25 ;;
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  29 ;; Boston, MA 02111-1307, USA.
  30 ;;
  31
  32 ;;; Commentary:
  33 ;;
  34
  35 ;;; Code:
  36 ;;
  37
  38 (require 'elmo)
  39 (require 'elmo-multi)
  40 (require 'wl-message)
  41 (require 'wl-vars)
  42 (require 'wl-highlight)
  43 (require 'wl-refile)
  44 (require 'wl-util)
  45 (condition-case nil (require 'timezone) (error nil))
  46 (condition-case nil (require 'easymenu) (error nil))
  47 (require 'elmo-date)
  48 (condition-case nil (require 'ps-print) (error nil))
  49
  50 (eval-when-compile
  51   (require 'cl)
  52   (condition-case () (require 'timer) (error nil))
  53   (defalias-maybe 'ps-print-buffer-with-faces 'ignore)
  54   (defalias-maybe 'elmo-database-msgid-put 'ignore)
  55   (defalias-maybe 'elmo-database-close 'ignore)
  56   (defalias-maybe 'elmo-database-msgid-get 'ignore)
  57   (defalias-maybe 'run-with-idle-timer 'ignore)
  58   (defalias-maybe 'ps-print-preprint 'ignore))
  59
  60 (defvar dragdrop-drop-functions)
  61 (defvar scrollbar-height)
  62 (defvar mail-reply-buffer)
  63 (defvar elmo-global-flags)
  64
  65 (defvar wl-summary-buffer-name "Summary")
  66 (defvar wl-summary-mode-map nil)
  67 (defvar wl-current-summary-buffer nil)
  68
  69 (defvar wl-summary-buffer-elmo-folder nil)
  70
  71 (defmacro wl-summary-buffer-folder-name ()
  72   (` (and wl-summary-buffer-elmo-folder
  73           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  74
  75 (defvar wl-summary-buffer-disp-msg    nil)
  76 (defvar wl-summary-buffer-disp-folder nil)
  77 (defvar wl-summary-buffer-temp-mark-list nil)
  78 (defvar wl-summary-buffer-message-ring nil)
  79 (defvar wl-summary-buffer-current-msg nil)
  80 (defvar wl-summary-buffer-unread-count 0)
  81 (defvar wl-summary-buffer-new-count    0)
  82 (defvar wl-summary-buffer-answered-count 0)
  83 (defvar wl-summary-buffer-mime-charset  nil)
  84 (defvar wl-summary-buffer-weekday-name-lang  nil)
  85 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  86 (defvar wl-summary-buffer-view nil)
  87 (defvar wl-summary-buffer-message-modified nil)
  88 (defvar wl-summary-buffer-thread-modified nil)
  89
  90 (defvar wl-summary-buffer-number-column nil)
  91 (defvar wl-summary-buffer-temp-mark-column nil)
  92 (defvar wl-summary-buffer-persistent-mark-column nil)
  93
  94 (defvar wl-summary-buffer-persistent-mark-version 0)
  95
  96 (defvar wl-summary-buffer-persistent nil)
  97 (defvar wl-summary-buffer-thread-nodes nil)
  98 (defvar wl-summary-buffer-target-mark-list nil)
  99 (defvar wl-summary-buffer-prev-refile-destination nil)
 100 (defvar wl-summary-buffer-saved-message nil)
 101 (defvar wl-summary-buffer-prev-folder-function nil)
 102 (defvar wl-summary-buffer-next-folder-function nil)
 103 (defvar wl-summary-buffer-exit-function nil)
 104 (defvar wl-summary-buffer-next-message-function nil)
 105 (defvar wl-summary-buffer-window-scroll-functions nil)
 106 (defvar wl-summary-buffer-number-list nil)
 107 (defvar wl-summary-buffer-folder-name nil)
 108 (defvar wl-summary-buffer-line-formatter nil)
 109 (defvar wl-summary-buffer-line-format nil)
 110 (defvar wl-summary-buffer-mode-line-formatter nil)
 111 (defvar wl-summary-buffer-mode-line nil)
 112 (defvar wl-summary-buffer-display-mime-mode 'mime)
 113 (defvar wl-summary-buffer-display-header-mode 'partial)
 114
 115 (defvar wl-thread-indent-level-internal nil)
 116 (defvar wl-thread-have-younger-brother-str-internal nil)
 117 (defvar wl-thread-youngest-child-str-internal nil)
 118 (defvar wl-thread-vertical-str-internal nil)
 119 (defvar wl-thread-horizontal-str-internal nil)
 120 (defvar wl-thread-space-str-internal nil)
 121 (defvar wl-summary-last-visited-folder nil)
 122 (defvar wl-read-folder-history nil)
 123 (defvar wl-summary-scored nil)
 124 (defvar wl-crosspost-alist-modified nil)
 125 (defvar wl-summary-alike-hashtb nil)
 126 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 127 (defvar wl-summary-delayed-update nil)
 128 (defvar wl-summary-search-buf-folder-name nil)
 129
 130 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 131
 132 (defvar wl-summary-shell-command-last "")
 133
 134 (defvar wl-ps-preprint-hook nil)
 135 (defvar wl-ps-print-hook nil)
 136
 137 (defvar wl-thread-saved-entity-hashtb-internal 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-target-mark-list)
 144 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-message-ring)
 146 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 147 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 148 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 150 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 151 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 152 (make-variable-buffer-local 'wl-summary-buffer-view)
 153 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 154 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 155 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 156 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 157 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-version)
 159 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 160 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 161 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 162 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 163 (make-variable-buffer-local 'wl-summary-scored)
 164 (make-variable-buffer-local 'wl-summary-default-score)
 165 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 166 (make-variable-buffer-local 'wl-summary-important-above)
 167 (make-variable-buffer-local 'wl-summary-target-above)
 168 (make-variable-buffer-local 'wl-summary-mark-below)
 169 (make-variable-buffer-local 'wl-summary-expunge-below)
 170 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 171 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 172 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 173 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 174 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 175 (make-variable-buffer-local 'wl-thread-space-str-internal)
 176 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 177 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 179 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 180 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 181 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 182 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 183 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 184 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 185 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 186 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 187 (make-variable-buffer-local 'wl-summary-buffer-display-mime-mode)
 188 (make-variable-buffer-local 'wl-summary-buffer-display-header-mode)
 189
 190 (defvar wl-datevec)
 191 (defvar wl-thr-indent-string)
 192 (defvar wl-thr-children-number)
 193 (defvar wl-thr-linked)
 194 (defvar wl-message-entity)
 195 (defvar wl-parent-message-entity)
 196 (defvar wl-temp-mark)
 197 (defvar wl-persistent-mark)
 198
 199 (defmacro wl-summary-sticky-buffer-name (name)
 200   (` (concat wl-summary-buffer-name ":" (, name))))
 201
 202 (defun wl-summary-default-subject (subject-string)
 203   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 204       (substring subject-string (match-end 0))
 205     subject-string))
 206
 207 (defun wl-summary-default-from (from)
 208   "Instance of `wl-summary-from-function'.
 209 Ordinarily returns the sender name. Returns recipient names if (1)
 210 summary's folder name matches with `wl-summary-showto-folder-regexp'
 211 and (2) sender address is yours.
 212
 213 See also variable `wl-use-petname'."
 214   (let ((translator (if wl-use-petname
 215                         (lambda (string)
 216                           (or (funcall wl-summary-get-petname-function string)
 217                               (car (std11-extract-address-components string))
 218                               string))
 219                       #'identity))
 220         to ng)
 221     (or (and (eq major-mode 'wl-summary-mode)
 222              (stringp wl-summary-showto-folder-regexp)
 223              (string-match wl-summary-showto-folder-regexp
 224                            (wl-summary-buffer-folder-name))
 225              (wl-address-user-mail-address-p from)
 226              (cond
 227               ((setq to (elmo-message-entity-field wl-message-entity 'to))
 228                (concat "To:" (mapconcat translator to ",")))
 229               ((setq ng (elmo-message-entity-field wl-message-entity
 230                                                    'newsgroups))
 231                (concat "Ng:" ng))))
 232         (funcall translator from))))
 233
 234 (defun wl-summary-simple-from (string)
 235   (if wl-use-petname
 236       (or (funcall wl-summary-get-petname-function string)
 237           (car (std11-extract-address-components string))
 238           string)
 239     string))
 240
 241 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 242 (defvar wl-summary-default-sort-spec 'date)
 243
 244 (defvar wl-summary-mode-menu-spec
 245   '("Summary"
 246     ["Read" wl-summary-read t]
 247     ["Prev page" wl-summary-prev-page t]
 248     ["Next page" wl-summary-next-page t]
 249     ["Top"       wl-summary-display-top t]
 250     ["Bottom"    wl-summary-display-bottom t]
 251     ["Prev"      wl-summary-prev t]
 252     ["Next"      wl-summary-next t]
 253     ["Up"        wl-summary-up t]
 254     ["Down"      wl-summary-down t]
 255     ["Parent message" wl-summary-jump-to-parent-message t]
 256     "----"
 257     ["Sync"            wl-summary-sync t]
 258     ["Execute"         wl-summary-exec t]
 259     ["Go to other folder" wl-summary-goto-folder t]
 260     ["Pick" wl-summary-pick t]
 261     ["Mark as read all" wl-summary-mark-as-read-all t]
 262     ["Unmark all"      wl-summary-unmark-all t]
 263     ["Toggle display message" wl-summary-toggle-disp-msg t]
 264     ["Display folder" wl-summary-toggle-disp-folder t]
 265     ["Toggle threading" wl-summary-toggle-thread t]
 266     ["Stick" wl-summary-stick t]
 267     ("Sort"
 268      ["By Number" wl-summary-sort-by-number t]
 269      ["By Size" wl-summary-sort-by-size t]
 270      ["By Date" wl-summary-sort-by-date t]
 271      ["By From" wl-summary-sort-by-from t]
 272      ["By Subject" wl-summary-sort-by-subject t]
 273      ["By List Info" wl-summary-sort-by-list-info t])
 274     "----"
 275     ("Message Operation"
 276      ["Mark as read"    wl-summary-mark-as-read t]
 277      ["Set flags"       wl-summary-set-flags t]
 278      ["Mark as unread"   wl-summary-mark-as-unread t]
 279      ["Mark as answered" wl-summary-mark-as-answered t]
 280      ["Set dispose mark" wl-summary-dispose t]
 281      ["Set refile mark" wl-summary-refile t]
 282      ["Set copy mark"   wl-summary-copy t]
 283      ["Set resend mark" wl-summary-resend t]
 284      ["Prefetch"        wl-summary-prefetch t]
 285      ["Set target mark" wl-summary-target-mark t]
 286      ["Unmark"          wl-summary-unmark t]
 287      ["Save"            wl-summary-save t]
 288      ["Cancel posted news" wl-summary-cancel-message t]
 289      ["Supersedes message" wl-summary-supersedes-message t]
 290      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 291      ["Enter the message" wl-summary-jump-to-current-message t]
 292      ["Pipe message" wl-summary-pipe-message t]
 293      ["Print message" wl-summary-print-message t])
 294     ("Thread Operation"
 295      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 296      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 297      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 298      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 299      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 300      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 301      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 302      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 303      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 304      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 305      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 306      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 307      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 308      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 309      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 310     ("Region Operation"
 311      ["Mark as read" wl-summary-mark-as-read-region t]
 312      ["Set flags" wl-summary-set-flags-region t]
 313      ["Mark as unread" wl-summary-mark-as-unread-region t]
 314      ["Mark as answered" wl-summary-mark-as-answered-region t]
 315      ["Set dispose mark" wl-summary-dispose-region t]
 316      ["Set refile mark" wl-summary-refile-region t]
 317      ["Set copy mark" wl-summary-copy-region t]
 318      ["Prefetch" wl-summary-prefetch-region t]
 319      ["Set target mark" wl-summary-target-mark-region t]
 320      ["Unmark" wl-summary-unmark-region t]
 321      ["Save" wl-summary-save-region t]
 322      ["Execute" wl-summary-exec-region t])
 323     ("Mark Operation"
 324      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 325      ["Set flags" wl-summary-target-mark-set-flags t]
 326      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 327      ["Set delete mark" wl-summary-target-mark-delete t]
 328      ["Set refile mark" wl-summary-target-mark-refile t]
 329      ["Set copy mark" wl-summary-target-mark-copy t]
 330      ["Prefetch" wl-summary-target-mark-prefetch t]
 331      ["Save" wl-summary-target-mark-save t]
 332      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 333      ["Forward" wl-summary-target-mark-forward t]
 334      ["uudecode" wl-summary-target-mark-uudecode t])
 335     ("Score Operation"
 336      ["Switch current score file" wl-score-change-score-file t]
 337      ["Edit current score file" wl-score-edit-current-scores t]
 338      ["Edit score file" wl-score-edit-file t]
 339      ["Set mark below" wl-score-set-mark-below t]
 340      ["Set expunge below" wl-score-set-expunge-below t]
 341      ["Rescore buffer" wl-summary-rescore t]
 342      ["Increase score" wl-summary-increase-score t]
 343      ["Lower score" wl-summary-lower-score t])
 344     "----"
 345     ("Writing Messages"
 346      ["Write a message" wl-summary-write t]
 347      ["Write for current folder" wl-summary-write-current-folder t]
 348      ["Reply" wl-summary-reply t]
 349      ["Reply with citation" wl-summary-reply-with-citation t]
 350      ["Forward" wl-summary-forward t])
 351     "----"
 352     ["Toggle Plug Status" wl-toggle-plugged t]
 353     ["Change Plug Status" wl-plugged-change t]
 354     "----"
 355     ["Exit Current Folder" wl-summary-exit t]))
 356
 357 (if wl-on-xemacs
 358     (defun wl-summary-setup-mouse ()
 359       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 360       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 361       (define-key wl-summary-mode-map [(shift button4)]
 362         'wl-summary-up)
 363       (define-key wl-summary-mode-map [(shift button5)]
 364         'wl-summary-down)
 365       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 366   (defun wl-summary-setup-mouse ()
 367     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 368     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 369     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 370     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 371     ;; For Meadow2
 372     (define-key wl-summary-mode-map [mouse-wheel1]
 373       'wl-summary-wheel-dispatcher)
 374     (define-key wl-summary-mode-map [S-mouse-wheel1]
 375       'wl-summary-wheel-dispatcher)
 376     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 377
 378 (if wl-summary-mode-map
 379     ()
 380   (setq wl-summary-mode-map (make-keymap))
 381   (suppress-keymap wl-summary-mode-map)
 382   (substitute-key-definition 'kill-buffer
 383                              'wl-summary-mimic-kill-buffer
 384                              wl-summary-mode-map
 385                              global-map)
 386   ;; basic commands
 387   (define-key wl-summary-mode-map " "    'wl-summary-read)
 388   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 389   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 390   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 391   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 392   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 393   (define-key wl-summary-mode-map "\r"   'wl-summary-enter-handler)
 394   (define-key wl-summary-mode-map "\C-m" 'wl-summary-enter-handler)
 395   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 396   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 397   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 398   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 399   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 400   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 401   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 402   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 403
 404   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 405   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 406   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 407   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 408   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 409   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 410   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 411   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 412   (define-key wl-summary-mode-map "\M-k"  'wl-summary-toggle-persistent-mark)
 413   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 414   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 415
 416   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 417   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 418   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 419   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 420   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 421   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 422   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 423   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 424   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 425   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 426   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 427   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 428   (define-key wl-summary-mode-map "H"    'wl-summary-toggle-all-header)
 429   (define-key wl-summary-mode-map "M"    'wl-summary-toggle-mime)
 430   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 431   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 432   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 433   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 434   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 435   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 436   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 437
 438   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 439   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 440   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 441   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 442   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 443   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 444
 445   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 446   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 447   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 448   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 449
 450   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 451   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 452   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 453
 454   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 455   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 456   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 457
 458   ;; copy & paste.
 459   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 460   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 461
 462   ;; line commands
 463   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 464   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 465   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 466   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 467   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 468   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 469   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 470   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 471   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 472   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 473   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 474   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 475   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 476
 477   ;; thread commands
 478   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 479   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 480   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 481   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 482   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 483   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 484   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 485   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 486   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 487   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 488   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 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 "tF" 'wl-thread-set-flags)
 493   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 494   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 495   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 496
 497   ;; target-mark commands
 498   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 499   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 500   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 501   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 502   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 503   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 504   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 505   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 506
 507   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 508
 509   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 510   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 511   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 512   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 513   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 514   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 515   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 516   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 517   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 518   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 519   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 520   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 521   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 522   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 523
 524   ;; region commands
 525   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 526   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 527   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 528   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 529   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 530   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 531   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 532   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 533   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 534   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 535   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 536   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 537   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 538   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 539   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 540   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 541   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 542   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 543
 544   ;; score commands
 545   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 546   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 547   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 548   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 549   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 550   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 551   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 552   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 553   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 554   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 555
 556   ;; misc
 557   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 558   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 559   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 560   ;;
 561   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 562   (wl-summary-setup-mouse)
 563   (easy-menu-define
 564    wl-summary-mode-menu
 565    wl-summary-mode-map
 566    "Menu used in Summary mode."
 567    wl-summary-mode-menu-spec))
 568
 569 (defun wl-summary-mimic-kill-buffer (buffer)
 570   "Kill the current (Summary) buffer with query."
 571   (interactive "bKill buffer: ")
 572   (if (or (not buffer)
 573           (string-equal buffer "")
 574           (string-equal buffer (buffer-name)))
 575       (wl-summary-exit 'force-exit)
 576     (kill-buffer buffer)))
 577
 578 (defsubst wl-summary-message-visible-p (number)
 579   "Return non-nil if the message with NUMBER is visible."
 580   (or (eq wl-summary-buffer-view 'sequence)
 581       (not (wl-thread-entity-parent-invisible-p
 582             (wl-thread-get-entity number)))))
 583
 584 (defun wl-summary-push-message (number)
 585   (when (and number
 586              (not (equal number (car wl-summary-buffer-message-ring))))
 587     (setq wl-summary-buffer-message-ring
 588           (cons number wl-summary-buffer-message-ring))
 589     (when (> (length wl-summary-buffer-message-ring)
 590              wl-summary-message-ring-max)
 591       (setcdr (nthcdr (1- wl-summary-message-ring-max)
 592                       wl-summary-buffer-message-ring)
 593               nil))))
 594
 595 (defun wl-summary-pop-message (&optional current-number)
 596   (when wl-summary-buffer-message-ring
 597     (when current-number
 598       (setq wl-summary-buffer-message-ring
 599             (nconc wl-summary-buffer-message-ring (list current-number))))
 600     (prog1
 601         (car wl-summary-buffer-message-ring)
 602       (setq wl-summary-buffer-message-ring
 603             (cdr wl-summary-buffer-message-ring)))))
 604
 605 (defmacro wl-summary-message-status (&optional number)
 606   `(elmo-message-status wl-summary-buffer-elmo-folder
 607                         (or ,number (wl-summary-message-number))))
 608
 609 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 610   "A function to be called as window-scroll-functions."
 611   (with-current-buffer (window-buffer win)
 612     (when (eq major-mode 'wl-summary-mode)
 613       (let ((beg (or beg (window-start win)))
 614             (end (condition-case nil
 615                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 616                    (error (window-end win)))))
 617         (save-excursion
 618           (goto-char beg)
 619           (while (and (< (point) end) (not (eobp)))
 620             (when (or (null (get-text-property (point) 'face))
 621                       (wl-summary-persistent-mark-invalid-p))
 622               (wl-summary-update-persistent-mark (wl-summary-message-number)))
 623             (forward-line 1)))))
 624     (set-buffer-modified-p nil)))
 625
 626 (defun wl-summary-window-scroll-functions ()
 627   (cond ((and wl-summary-highlight
 628               wl-summary-lazy-highlight
 629               wl-summary-lazy-update-mark)
 630          (list 'wl-summary-update-mark-and-highlight-window))
 631         ((and wl-summary-highlight
 632               wl-summary-lazy-highlight)
 633          (list 'wl-highlight-summary-window))
 634         (wl-summary-lazy-update-mark
 635          (list 'wl-summary-update-mark-window))))
 636
 637 (defun wl-summary-after-resize-function (frame)
 638   "Called from `window-size-change-functions'."
 639   (save-excursion
 640     (save-selected-window
 641       (select-frame frame)
 642       (walk-windows
 643        (lambda (window)
 644          (set-buffer (window-buffer window))
 645          (when (eq major-mode 'wl-summary-mode)
 646            (run-hook-with-args 'wl-summary-buffer-window-scroll-functions
 647                                window)))
 648        'nomini frame))))
 649
 650 ;; Handler of event from elmo-folder
 651 (defun wl-summary-update-persistent-mark-on-event (buffer numbers)
 652   (save-excursion
 653     (set-buffer buffer)
 654     (if wl-summary-lazy-update-mark
 655         (let ((window-list (get-buffer-window-list (current-buffer) 'nomini t))
 656               invalidate)
 657           (dolist (number numbers)
 658             (when (wl-summary-message-visible-p number)
 659               (if (catch 'visible
 660                     (let ((window-list window-list)
 661                           win)
 662                       (while (setq win (car window-list))
 663                         (when (wl-summary-jump-to-msg number
 664                                                       (window-start win)
 665                                                       (window-end win))
 666                           (throw 'visible t))
 667                         (setq window-list (cdr window-list)))))
 668                   (wl-summary-update-persistent-mark number)
 669                 (setq invalidate t))))
 670           (when invalidate
 671             (wl-summary-invalidate-persistent-mark)
 672             (dolist (win window-list)
 673               (wl-summary-validate-persistent-mark
 674                (window-start win)
 675                (window-end win)))))
 676       (dolist (number numbers)
 677         (when (and (wl-summary-message-visible-p number)
 678                    (wl-summary-jump-to-msg number))
 679           (wl-summary-update-persistent-mark number))))))
 680
 681 (defun wl-summary-buffer-attach ()
 682   (when wl-summary-buffer-elmo-folder
 683     (elmo-connect-signal
 684      wl-summary-buffer-elmo-folder
 685      'flag-changed
 686      (current-buffer)
 687      (elmo-define-signal-handler (buffer folder numbers)
 688        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 689     (elmo-connect-signal
 690      wl-summary-buffer-elmo-folder
 691      'status-changed
 692      (current-buffer)
 693      (elmo-define-signal-handler (buffer folder numbers)
 694        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 695     (elmo-connect-signal
 696      wl-summary-buffer-elmo-folder
 697      'update-overview
 698      (current-buffer)
 699      (elmo-define-signal-handler (buffer folder number)
 700        (with-current-buffer buffer
 701          (wl-summary-rescan-message number))))))
 702
 703 (defun wl-summary-buffer-detach ()
 704   (when (and (eq major-mode 'wl-summary-mode)
 705              wl-summary-buffer-elmo-folder)
 706     (elmo-disconnect-signal 'flag-changed (current-buffer))
 707     (elmo-disconnect-signal 'status-changed (current-buffer))
 708     (elmo-disconnect-signal 'update-overview (current-buffer))))
 709
 710 (defun wl-status-update ()
 711   (interactive)
 712   (wl-address-init))
 713
 714 (defun wl-summary-display-top ()
 715   (interactive)
 716   (goto-char (point-min))
 717   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 718   (if wl-summary-buffer-disp-msg
 719       (wl-summary-redisplay)))
 720
 721 (defun wl-summary-display-bottom ()
 722   (interactive)
 723   (goto-char (point-max))
 724   (forward-line -1)
 725   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 726   (if wl-summary-buffer-disp-msg
 727       (wl-summary-redisplay)))
 728
 729 (defun wl-summary-count-unread ()
 730   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 731     (setq wl-summary-buffer-new-count
 732           (or (cdr (assq 'new flag-count)) 0)
 733           wl-summary-buffer-unread-count
 734           (or (cdr (assq 'unread flag-count)) 0)
 735           wl-summary-buffer-answered-count
 736           (or (cdr (assq 'answered flag-count)) 0))
 737     flag-count))
 738
 739 (defun wl-summary-message-string (&optional use-cache)
 740   "Return full body string of current message.
 741 If optional USE-CACHE is non-nil, use cache if exists."
 742   (let ((number (wl-summary-message-number))
 743         (folder wl-summary-buffer-elmo-folder))
 744     (if (null number)
 745         (message "No message.")
 746       (elmo-message-fetch-string folder
 747                                  number
 748                                  (elmo-make-fetch-strategy
 749                                   'entire
 750                                   use-cache ; use cache
 751                                   nil ; save cache (should `t'?)
 752                                   (and
 753                                    use-cache
 754                                    (elmo-file-cache-get-path
 755                                     (elmo-message-field folder number
 756                                                         'message-id))))
 757                                  'unread))))
 758
 759 (defun wl-summary-reedit (&optional arg)
 760   "Re-edit current message.
 761 If ARG is non-nil, Supersedes message"
 762   (interactive "P")
 763   (wl-summary-toggle-disp-msg 'off)
 764   (cond
 765    ((null (wl-summary-message-number))
 766     (message "No message."))
 767    (arg
 768     (wl-summary-supersedes-message))
 769    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 770     (wl-draft-reedit (wl-summary-message-number))
 771     (if (wl-message-news-p)
 772         (mail-position-on-field "Newsgroups")
 773       (mail-position-on-field "To")))
 774    (t
 775     (wl-draft-edit-string (wl-summary-message-string 'maybe)))))
 776
 777 (defun wl-summary-resend-bounced-mail ()
 778   "Re-mail the current message.
 779 This only makes sense if the current message is a bounce message which
 780 contains some mail you have written but has been bounced back to
 781 you."
 782   (interactive)
 783   (wl-summary-toggle-disp-msg 'off)
 784   (save-excursion
 785     (wl-summary-set-message-buffer-or-redisplay)
 786     (set-buffer (wl-message-get-original-buffer))
 787     (goto-char (point-min))
 788     (let ((case-fold-search nil))
 789       (cond
 790        ((and
 791          (re-search-forward
 792           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 793          (not (bolp))
 794          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 795         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 796               start)
 797           (cond
 798            ((and (setq start (re-search-forward
 799                               (concat "^--" boundary "\n"
 800                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 801                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 802                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 803                                       "\\(.+\n\\)*\n") nil t))
 804                  (re-search-forward
 805                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 806             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 807            (t
 808             (message "Seems no message/rfc822 part.")))))
 809        ((let ((case-fold-search t))
 810           (re-search-forward wl-rejected-letter-start nil t))
 811         (skip-chars-forward " \t\n")
 812         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 813        (t
 814         (message "Does not appear to be a rejected letter."))))))
 815
 816 (defun wl-summary-detect-mark-position ()
 817   (let ((column wl-summary-buffer-number-column)
 818         (formatter wl-summary-buffer-line-formatter)
 819         (lang wl-summary-buffer-weekday-name-lang)
 820         (dummy-number 10000)
 821         (dummy-temp (char-to-string 200))
 822         ;; bind only for the check.
 823         (wl-summary-new-uncached-mark (char-to-string 201))
 824         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 825         wl-summary-highlight
 826         temp persistent)
 827     (with-temp-buffer
 828       (setq wl-summary-buffer-number-column column
 829             wl-summary-buffer-line-formatter formatter
 830             wl-summary-buffer-weekday-name-lang lang)
 831       (insert
 832        (wl-summary-create-line
 833         (elmo-msgdb-make-message-entity
 834          (luna-make-entity 'modb-entity-handler)
 835          :number dummy-number
 836          :from "foo"
 837          :subject "bar"
 838          :size 100)
 839         nil
 840         dummy-temp
 841         (let ((status (elmo-message-status nil dummy-number)))
 842           (elmo-message-status-set-flags status '(new))
 843           (elmo-message-status-set-killed status nil)
 844           status)))
 845       (goto-char (point-min))
 846       (setq temp (save-excursion
 847                    (when (search-forward dummy-temp nil t)
 848                      (current-column)))
 849             persistent
 850             (save-excursion
 851               (when (search-forward wl-summary-new-uncached-mark nil t)
 852                 (current-column)))))
 853     (setq wl-summary-buffer-temp-mark-column temp
 854           wl-summary-buffer-persistent-mark-column persistent)))
 855
 856 (defun wl-summary-buffer-set-folder (folder)
 857   (wl-summary-buffer-detach)
 858   (if (stringp folder)
 859       (setq folder (wl-folder-get-elmo-folder folder)))
 860   (setq wl-summary-buffer-elmo-folder folder)
 861   (make-local-variable 'wl-message-buffer)
 862   (setq wl-summary-buffer-mime-charset (wl-folder-mime-charset
 863                                         (elmo-folder-name-internal folder)))
 864   (setq wl-summary-buffer-weekday-name-lang
 865         (or (wl-get-assoc-list-value
 866              wl-folder-weekday-name-lang-alist
 867              (elmo-folder-name-internal folder))
 868             wl-summary-weekday-name-lang))
 869   (setq wl-summary-buffer-thread-indent-set
 870         (wl-get-assoc-list-value
 871          wl-folder-thread-indent-set-alist
 872          (elmo-folder-name-internal folder)))
 873   (setq wl-summary-buffer-number-column
 874         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 875                                      (wl-summary-buffer-folder-name))
 876             wl-summary-default-number-column))
 877   (wl-line-formatter-setup
 878    wl-summary-buffer-line-formatter
 879    (setq wl-summary-buffer-line-format
 880          (or (wl-get-assoc-list-value
 881               wl-folder-summary-line-format-alist
 882               (elmo-folder-name-internal folder))
 883              wl-summary-line-format))
 884    wl-summary-line-format-spec-alist)
 885   (wl-line-formatter-setup
 886    wl-summary-buffer-mode-line-formatter
 887    wl-summary-mode-line-format
 888    wl-summary-mode-line-format-spec-alist)
 889   (setq wl-summary-buffer-persistent
 890         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 891   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 892   (wl-summary-buffer-attach)
 893   ;; process duplicates.
 894   (elmo-folder-set-process-duplicates-internal
 895    folder (cdr (elmo-string-matched-assoc
 896                 (elmo-folder-name-internal folder)
 897                 wl-folder-process-duplicates-alist)))
 898   (setq
 899    wl-thread-indent-level-internal
 900    (or (nth 0 wl-summary-buffer-thread-indent-set)
 901        wl-thread-indent-level)
 902    wl-thread-have-younger-brother-str-internal
 903    (or (nth 1 wl-summary-buffer-thread-indent-set)
 904        wl-thread-have-younger-brother-str)
 905    wl-thread-youngest-child-str-internal
 906    (or (nth 2 wl-summary-buffer-thread-indent-set)
 907        wl-thread-youngest-child-str)
 908    wl-thread-vertical-str-internal
 909    (or (nth 3 wl-summary-buffer-thread-indent-set)
 910        wl-thread-vertical-str)
 911    wl-thread-horizontal-str-internal
 912    (or (nth 4 wl-summary-buffer-thread-indent-set)
 913        wl-thread-horizontal-str)
 914    wl-thread-space-str-internal
 915    (or (nth 5 wl-summary-buffer-thread-indent-set)
 916        wl-thread-space-str))
 917   (run-hooks 'wl-summary-buffer-set-folder-hook))
 918
 919 (defun wl-summary-mode ()
 920   "Major mode for reading threaded messages.
 921 See Info under Wanderlust for full documentation.
 922
 923 Special commands:
 924 \\{wl-summary-mode-map}
 925
 926 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 927   (interactive)
 928   (unless (interactive-p) (kill-all-local-variables))
 929   (setq major-mode 'wl-summary-mode)
 930   (setq mode-name "Summary")
 931   (use-local-map wl-summary-mode-map)
 932 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 933   (setq buffer-read-only t)
 934   (setq truncate-lines t)
 935   (when (boundp 'show-trailing-whitespace)
 936     (setq show-trailing-whitespace nil))
 937 ;;;(make-local-variable 'tab-width)
 938 ;;;(setq tab-width 1)
 939   (buffer-disable-undo (current-buffer))
 940   (setq selective-display t
 941         selective-display-ellipses nil)
 942   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 943   (easy-menu-add wl-summary-mode-menu)
 944   (setq wl-summary-buffer-window-scroll-functions
 945         (wl-summary-window-scroll-functions))
 946   (when wl-summary-buffer-window-scroll-functions
 947     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 948       (make-local-hook hook)
 949       (dolist (function wl-summary-buffer-window-scroll-functions)
 950         (add-hook hook function nil t)))
 951     (add-hook 'window-size-change-functions
 952               #'wl-summary-after-resize-function))
 953   (dolist (hook '(change-major-mode-hook kill-buffer-hook))
 954     (make-local-hook hook)
 955     (add-hook hook #'wl-summary-buffer-detach nil t))
 956   ;; This hook may contain the function `wl-setup-summary' for reasons
 957   ;; of system internal to accord facilities for the Emacs variants.
 958   (run-hooks 'wl-summary-mode-hook))
 959
 960 ;;;
 961 (defun wl-summary-overview-entity-compare-by-size (x y)
 962    "Compare entity X and Y by size."
 963    (< (elmo-message-entity-field x 'size)
 964       (elmo-message-entity-field y 'size)))
 965
 966
 967 (defun wl-summary-overview-entity-compare-by-date (x y)
 968   "Compare entity X and Y by date."
 969   (condition-case nil
 970       (elmo-time<
 971        (elmo-message-entity-field x 'date)
 972        (elmo-message-entity-field y 'date))
 973     (error))) ;; ignore error.
 974
 975 (defun wl-summary-overview-entity-compare-by-number (x y)
 976    "Compare entity X and Y by number."
 977   (<
 978    (elmo-message-entity-number x)
 979    (elmo-message-entity-number y)))
 980
 981 (defun wl-summary-overview-entity-compare-by-from (x y)
 982   "Compare entity X and Y by from."
 983   (string<
 984    (or (elmo-message-entity-field x 'from)
 985        wl-summary-no-from-message)
 986    (or (elmo-message-entity-field y 'from)
 987        wl-summary-no-from-message)))
 988
 989 (defun wl-summary-overview-entity-compare-by-subject (x y)
 990   "Compare entity X and Y by subject."
 991   (string< (elmo-message-entity-field x 'subject)
 992            (elmo-message-entity-field y 'subject)))
 993
 994 (defun wl-summary-get-list-info (entity)
 995   "Returns (\"ML-name\" . ML-count) of ENTITY."
 996   (or (elmo-message-entity-field entity 'ml-info)
 997       (lexical-let ((entity entity))
 998         (let* ((getter (lambda (field)
 999                          (elmo-message-entity-field entity field)))
1000                (name (elmo-find-list-match-value
1001                       elmo-mailing-list-name-spec-list
1002                       getter))
1003                (count (elmo-find-list-match-value
1004                        elmo-mailing-list-count-spec-list
1005                        getter)))
1006           (cons name (and count (string-to-int count)))))))
1007
1008 (defun wl-summary-overview-entity-compare-by-list-info (x y)
1009   "Compare entity X and Y by mailing-list info."
1010   (let* ((list-info-x (wl-summary-get-list-info x))
1011          (list-info-y (wl-summary-get-list-info y)))
1012     (if (equal (car list-info-x) (car list-info-y))
1013         (if (equal (cdr list-info-x) (cdr list-info-y))
1014             (wl-summary-overview-entity-compare-by-date x y)
1015           (< (or (cdr list-info-x) 0)
1016              (or (cdr list-info-y) 0)))
1017       (string< (or (car list-info-x) "")
1018                (or (car list-info-y) "")))))
1019
1020 (defun wl-summary-define-sort-command ()
1021   "Define functions to sort summary lines by `wl-summary-sort-specs'."
1022   (interactive)
1023   (dolist (sort-by wl-summary-sort-specs)
1024     (fset (intern (format "wl-summary-sort-by-%s" sort-by))
1025           `(lambda (&optional reverse)
1026              ,(format "\
1027 Sort summary lines into the order by %s.
1028 If optional argument REVERSE is non-nil, sort into descending order.
1029
1030 This function is defined by `wl-summary-define-sort-command'." sort-by)
1031              (interactive "P")
1032              (wl-summary-rescan ,(symbol-name sort-by) reverse)))))
1033
1034 (defun wl-summary-sort-function-from-spec (spec reverse)
1035   (let (funtion)
1036     (when (string-match "^!\\(.+\\)$" spec)
1037       (setq spec (match-string 1 spec)
1038             reverse (not reverse)))
1039     (setq funtion
1040           (intern (format "wl-summary-overview-entity-compare-by-%s" spec)))
1041     (if reverse
1042         `(lambda (x y) (not (,funtion x y)))
1043       funtion)))
1044
1045 (defun wl-summary-sort-messages (numbers sort-by reverse)
1046   (let* ((functions (mapcar
1047                      (lambda (spec)
1048                        (wl-summary-sort-function-from-spec spec reverse))
1049                      (if (listp sort-by) sort-by (list sort-by))))
1050          (predicate (if (= (length functions) 1)
1051                         (car functions)
1052                       (lambda (x y)
1053                         (let ((functions functions))
1054                           (catch 'done
1055                             (dolist (function functions)
1056                               (when (funcall function x y)
1057                                 (throw 'done t))
1058                               (when (funcall function y x)
1059                                 (throw 'done nil)))))))))
1060     (mapcar #'elmo-message-entity-number
1061             (sort (mapcar (lambda (number)
1062                             (elmo-message-entity
1063                              wl-summary-buffer-elmo-folder
1064                              number))
1065                           numbers)
1066                   predicate))))
1067
1068 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
1069   "Rescan current folder without updating."
1070   (interactive)
1071   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1072         gc-message                      ; for XEmacs
1073         (inhibit-read-only t)
1074         (buffer-read-only nil)
1075         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1076                                             (not disable-killed) t)) ; in-msgdb
1077         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1078                                                      wl-thread-entity-hashtb))
1079         (wl-summary-search-parent-by-subject-regexp
1080          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1081         (wl-summary-divide-thread-when-subject-changed
1082          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1083         (i 0)
1084         num
1085         expunged)
1086     (erase-buffer)
1087     (message "Re-scanning...")
1088     (when (and sort-by numbers)
1089       (let ((action  (if reverse "Reverse sorting" "Sorting")))
1090         (message "%s by %s..." action sort-by)
1091         (setq numbers (wl-summary-sort-messages numbers sort-by reverse))
1092         (message "%s by %s...done" action sort-by)))
1093     (setq num (length numbers))
1094     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1095           wl-thread-entity-list nil
1096           wl-thread-entities nil
1097           wl-summary-scored nil
1098           wl-summary-buffer-number-list nil
1099           wl-summary-buffer-persistent-mark-version 0
1100           wl-summary-buffer-target-mark-list nil
1101           wl-summary-buffer-temp-mark-list nil
1102           wl-summary-delayed-update nil)
1103     (elmo-kill-buffer wl-summary-search-buf-name)
1104     (while numbers
1105       (wl-summary-insert-message (elmo-message-entity
1106                                   wl-summary-buffer-elmo-folder
1107                                   (car numbers))
1108                                  wl-summary-buffer-elmo-folder
1109                                  nil)
1110       (setq numbers (cdr numbers))
1111       (when (> num elmo-display-progress-threshold)
1112         (setq i (+ i 1))
1113         (if (or (zerop (% i 5)) (= i num))
1114             (elmo-display-progress
1115              'wl-summary-rescan "Constructing summary structure..."
1116              (/ (* i 100) num)))))
1117     (when wl-summary-delayed-update
1118       (while wl-summary-delayed-update
1119         (message "Parent (%d) of message %d is no entity"
1120                  (caar wl-summary-delayed-update)
1121                  (elmo-message-entity-number
1122                   (cdar wl-summary-delayed-update)))
1123         (wl-summary-insert-message
1124          (cdar wl-summary-delayed-update)
1125          wl-summary-buffer-elmo-folder nil t)
1126         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1127     (message "Constructing summary structure...done")
1128     (if (eq wl-summary-buffer-view 'thread)
1129         (progn
1130           (message "Inserting thread...")
1131           (wl-thread-insert-top)
1132           (message "Inserting thread...done")))
1133     (when wl-use-scoring
1134       (wl-summary-score-headers (wl-summary-rescore-msgs
1135                                  wl-summary-buffer-number-list)
1136                                 t)
1137       (when (and wl-summary-scored
1138                  (setq expunged (wl-summary-score-update-all-lines)))
1139         (message "%d message(s) are expunged by scoring." (length expunged))))
1140     (wl-summary-set-message-modified)
1141     (wl-summary-count-unread)
1142     (wl-summary-update-modeline)
1143     (goto-char (point-max))
1144     (forward-line -1)
1145     (set-buffer-modified-p nil)))
1146
1147 (defun wl-summary-rescan-message (number &optional reparent)
1148   "Rescan current message without updating."
1149   (interactive (list (wl-summary-message-number) current-prefix-arg))
1150   (let ((start-number (wl-summary-message-number))
1151         (start-column (current-column)))
1152     (when (wl-summary-jump-to-msg number)
1153       (let* ((folder wl-summary-buffer-elmo-folder)
1154              (entity (elmo-message-entity folder number))
1155              (inhibit-read-only t))
1156         (if (eq wl-summary-buffer-view 'thread)
1157             (let* ((thread-entity (wl-thread-get-entity number))
1158                    (thread-parent (wl-thread-entity-get-parent thread-entity))
1159                    (entity-parent (elmo-message-entity-number
1160                                    (elmo-message-entity-parent folder entity)))
1161                    update-top-list)
1162               (if (and (not reparent)
1163                        (eq thread-parent entity-parent))
1164                   (progn
1165                     (wl-thread-entity-set-linked thread-entity nil)
1166                     (wl-thread-update-line-on-buffer-sub nil number))
1167                 (let ((replacements
1168                        (cons number
1169                              (wl-thread-entity-get-descendant thread-entity))))
1170                   (wl-thread-delete-message number 'deep 'update)
1171                   (wl-thread-cleanup-symbols replacements)
1172                   (dolist (number replacements)
1173                     (setq update-top-list
1174                           (nconc
1175                            update-top-list
1176                            (wl-summary-insert-thread
1177                             (elmo-message-entity folder number)
1178                             folder
1179                             'update))))
1180                   (when update-top-list
1181                     (wl-thread-update-indent-string-thread
1182                      (elmo-uniq-list update-top-list))))))
1183             (delete-region (point-at-bol) (1+ (point-at-eol)))
1184             (wl-summary-insert-line
1185              (wl-summary-create-line entity nil
1186                                      (wl-summary-temp-mark number)
1187                                      (elmo-message-status folder number)))))
1188       (when (and wl-summary-buffer-disp-msg
1189                  wl-summary-buffer-current-msg)
1190         (save-excursion
1191           (when (wl-summary-jump-to-msg wl-summary-buffer-current-msg)
1192             (wl-highlight-summary-displaying))))
1193       (wl-summary-set-message-modified)
1194       (wl-summary-jump-to-msg start-number)
1195       (move-to-column start-column))))
1196
1197 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1198   (if (and next-entity
1199            wl-auto-select-next)
1200       (let (retval)
1201         (wl-summary-toggle-disp-msg 'off)
1202         (unwind-protect
1203             (setq retval
1204                   (wl-summary-goto-folder-subr next-entity
1205                                                'force-update
1206                                                nil
1207                                                nil ; not sticky
1208                                                t   ; interactive!
1209                                                ))
1210           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1211           (if (and (eq retval 'more-next)
1212                    (memq wl-auto-select-next '(unread skip-no-unread))
1213                    (memq this-command wl-summary-next-no-unread-command))
1214               (if upward
1215                   (wl-summary-up
1216                    t (eq wl-auto-select-next 'skip-no-unread))
1217                 (goto-char (point-max))
1218                 (forward-line -1)
1219                 (wl-summary-down
1220                  t (eq wl-auto-select-next 'skip-no-unread))))))
1221     (wl-summary-exit)))
1222
1223 (defun wl-summary-entity-info-msg (entity finfo)
1224   (or (and entity
1225            (concat
1226             (if (memq 'ask-folder wl-use-folder-petname)
1227                 (wl-folder-get-petname entity)
1228               entity)
1229             (if (null (car finfo))
1230                 " (? new/? unread)"
1231               (format
1232                " (%d new/%d unread)"
1233                (nth 0 finfo)
1234                (+ (nth 0 finfo)
1235                   (nth 1 finfo))))))
1236       "folder mode"))
1237
1238 (defun wl-summary-set-message-modified ()
1239   (setq wl-summary-buffer-message-modified t))
1240 (defun wl-summary-message-modified-p ()
1241   wl-summary-buffer-message-modified)
1242 (defun wl-summary-set-thread-modified ()
1243   (setq wl-summary-buffer-thread-modified t))
1244 (defun wl-summary-thread-modified-p ()
1245   wl-summary-buffer-thread-modified)
1246
1247 (defun wl-summary-exec-with-confirmation (&optional message)
1248   (when wl-summary-buffer-temp-mark-list
1249     (if (y-or-n-p (or message
1250                       (format "Execute marks in %s? "
1251                               (wl-summary-buffer-folder-name))))
1252         (progn
1253           (wl-summary-exec)
1254           (if wl-summary-buffer-temp-mark-list
1255               (error "Some execution was failed")))
1256       ;; temp-mark-list is remained.
1257       (message ""))))
1258
1259 (defun wl-summary-cleanup-temp-marks ()
1260   (when wl-summary-buffer-temp-mark-list
1261     (wl-summary-exec-with-confirmation
1262      (format "Execute marks in %s? (answer \"n\" to discard them) "
1263              (wl-summary-buffer-folder-name)))
1264     (wl-summary-delete-all-temp-marks 'no-msg)
1265     (setq wl-summary-scored nil)))
1266
1267 ;; a subroutine for wl-summary-exit/wl-save-status
1268 ;; Note that folder is not commited here.
1269 (defun wl-summary-save-view ()
1270   ;; already in summary buffer.
1271   (when wl-summary-buffer-persistent
1272     ;; save the current summary buffer view.
1273     (if (and wl-summary-cache-use
1274              (or (wl-summary-message-modified-p)
1275                  (wl-summary-thread-modified-p)))
1276         (wl-summary-save-view-cache))))
1277
1278 (defun wl-summary-save-status ()
1279   "Save summary view and msgdb."
1280   (interactive)
1281   (if (interactive-p) (message "Saving summary status..."))
1282   (wl-summary-save-view)
1283   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1284   (elmo-folder-check wl-summary-buffer-elmo-folder)
1285   (if wl-use-scoring (wl-score-save))
1286   (if (interactive-p) (message "Saving summary status...done")))
1287
1288 (defun wl-summary-force-exit ()
1289   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1290   (interactive)
1291   (wl-summary-exit 'force-exit))
1292
1293 (defun wl-summary-exit (&optional force-exit)
1294   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1295   (interactive "P")
1296   (let ((summary-buf (current-buffer))
1297         (sticky (wl-summary-sticky-p))
1298         summary-win
1299         message-buf message-win
1300         folder-buf folder-win)
1301     (run-hooks 'wl-summary-exit-pre-hook)
1302     (if wl-summary-buffer-exit-function
1303         (funcall wl-summary-buffer-exit-function)
1304       (if (or force-exit (not sticky))
1305           (wl-summary-cleanup-temp-marks))
1306       (unwind-protect
1307           ;; save summary status
1308           (progn
1309             (wl-summary-save-view)
1310             (if (or force-exit (not sticky))
1311                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1312               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1313               (elmo-folder-check wl-summary-buffer-elmo-folder))
1314             (if wl-use-scoring (wl-score-save)))
1315         ;; for sticky summary
1316         (wl-delete-all-overlays)
1317         (setq wl-summary-buffer-disp-msg nil)
1318         (elmo-kill-buffer wl-summary-search-buf-name)
1319         ;; delete message window if displayed.
1320         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1321             (delete-window (get-buffer-window wl-message-buffer)))
1322         (if (and wl-summary-use-frame
1323                  (> (length (visible-frame-list)) 1))
1324             (delete-frame))
1325         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1326             (if wl-summary-use-frame
1327                 (let (select-frame)
1328                   (save-selected-window
1329                     (dolist (frame (visible-frame-list))
1330                       (select-frame frame)
1331                       (if (get-buffer-window folder-buf)
1332                           (setq select-frame frame))))
1333                   (if select-frame
1334                       (select-frame select-frame)
1335                     (switch-to-buffer folder-buf)))
1336               (if (setq folder-win (get-buffer-window folder-buf))
1337                   ;; folder win is already displayed.
1338                   (select-window folder-win)
1339                 ;; folder win is not displayed.
1340                 (switch-to-buffer folder-buf)))
1341           ;; currently no folder buffer
1342           (wl-folder))
1343         (and wl-folder-move-cur-folder
1344              wl-folder-buffer-cur-point
1345              (goto-char wl-folder-buffer-cur-point))
1346         (setq wl-folder-buffer-cur-path nil)
1347         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1348         (setq wl-folder-buffer-cur-entity-id nil)
1349         (wl-delete-all-overlays)
1350         (if wl-summary-exit-next-move
1351             (wl-folder-next-unsync t)
1352           (beginning-of-line))
1353         (if (setq summary-win (get-buffer-window summary-buf))
1354             (delete-window summary-win))
1355         (if (or force-exit
1356                 (not sticky))
1357             (progn
1358               (set-buffer summary-buf)
1359               (kill-buffer summary-buf)))
1360         (run-hooks 'wl-summary-exit-hook)))))
1361
1362 (defun wl-summary-suspend ()
1363   (interactive)
1364   (wl-summary-exit)
1365   (wl-folder-suspend))
1366
1367 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1368   (interactive)
1369   (wl-summary-sync-update unset-cursor nil nil no-check))
1370
1371 (defsubst wl-summary-sync-all-init ()
1372   (wl-summary-cleanup-temp-marks)
1373   (erase-buffer)
1374   (wl-summary-set-message-modified)
1375   (setq wl-thread-entity-hashtb (elmo-make-hash
1376                                  (* (elmo-folder-length
1377                                      wl-summary-buffer-elmo-folder)
1378                                     2)))
1379   (setq wl-thread-entity-list nil)
1380   (setq wl-thread-entities nil)
1381   (setq wl-summary-buffer-number-list nil)
1382   (setq wl-summary-buffer-target-mark-list nil)
1383   (setq wl-summary-buffer-temp-mark-list nil))
1384
1385 (defun wl-summary-sync (&optional unset-cursor force-range)
1386   (interactive)
1387   (let* ((folder wl-summary-buffer-elmo-folder)
1388          (inhibit-read-only t)
1389          (buffer-read-only nil)
1390          (msgdb-dir (elmo-folder-msgdb-path folder))
1391          (range (or force-range (wl-summary-input-range
1392                                  (elmo-folder-name-internal folder)))))
1393     (cond ((string-match "rescan" range)
1394            (let ((msg (wl-summary-message-number))
1395                  (wl-use-scoring (if (string-match "noscore" range)
1396                                      nil
1397                                    wl-use-scoring)))
1398              (wl-summary-rescan nil
1399                                 nil
1400                                 (string-match "noscore" range)
1401                                 (string-match "thread" range))
1402              (and msg (wl-summary-jump-to-msg msg))))
1403           ((string= range "mark")
1404            (let ((msg (wl-summary-message-number)))
1405              (call-interactively 'wl-summary-sync-marks)
1406              (and msg (wl-summary-jump-to-msg msg))))
1407           ((string= range "cache-status")
1408            (let ((msg (wl-summary-message-number)))
1409              (wl-summary-resume-cache-status)
1410              (and msg (wl-summary-jump-to-msg msg))))
1411           ((string= range "no-sync"))
1412           ((or (string-match "^last:" range)
1413                (string-match "^first:" range))
1414            (wl-summary-goto-folder-subr (concat "/" range "/"
1415                                                 (elmo-folder-name-internal
1416                                                  folder))
1417                                         'force-update nil nil t))
1418           (t
1419            (wl-summary-sync-update unset-cursor
1420                                    (string-match "entirely" range)
1421                                    (string-match "all" range))))))
1422
1423 (defvar wl-summary-edit-addresses-candidate-fields
1424   ;; First element becomes default.
1425   '("from" "to" "cc"))
1426
1427 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1428   (let ((fields wl-summary-edit-addresses-candidate-fields)
1429         body candidates components)
1430     (while fields
1431       (setq body
1432             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1433                        ","))
1434       (setq body (wl-parse-addresses body))
1435       (if body (setq candidates (append candidates body)))
1436       (setq fields (cdr fields)))
1437     (setq candidates (elmo-uniq-list candidates))
1438     (elmo-with-enable-multibyte
1439       (mapcar (function
1440                (lambda (x)
1441                  (setq components (std11-extract-address-components x))
1442                  (cons (nth 1 components)
1443                        (and (car components)
1444                             (eword-decode-string
1445                              (decode-mime-charset-string
1446                               (car components)
1447                               mime-charset))))))
1448               candidates))))
1449
1450 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1451   ;; returns nil if there's no change.
1452   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1453       (let (char)
1454         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1455                  the-email)
1456         (while (not (or (eq (setq char (read-char)) ?\r)
1457                         (eq char ?\n)
1458                         (eq char ? )
1459                         (eq char ?e)
1460                         (eq char ?c)
1461                         (eq char ?d)))
1462           (message
1463            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1464         (cond
1465          ((or (eq char ?e)
1466               (eq char ?\n)
1467               (eq char ?\r)
1468               (eq char ? ))
1469           ;; Change Addresses
1470           (wl-address-add-or-change
1471            the-email
1472            (wl-address-header-extract-realname
1473             (cdr (assoc
1474                   (let ((completion-ignore-case t) comp)
1475                     (setq comp
1476                           (try-completion the-email wl-address-completion-list))
1477                     (if (equal comp t) the-email comp))
1478                   wl-address-completion-list))))
1479           "edited")
1480          ((eq char ?d)
1481           ;; Delete Addresses
1482           (if (y-or-n-p (format "Delete '%s'? "
1483                                 the-email))
1484               (progn
1485                 (wl-address-delete the-email)
1486                 "deleted")
1487             (message "")
1488             nil))
1489          (t (message "")
1490             nil)))
1491     ;; Add Petname
1492     (wl-address-add-or-change the-email name-in-addr)
1493     "added"))
1494
1495 (defun wl-summary-edit-addresses (&optional addr-str)
1496   "Edit address book interactively.
1497 Optional argument ADDR-STR is used as a target address if specified."
1498   (interactive (if current-prefix-arg
1499                    (list (read-from-minibuffer "Target address: "))))
1500   (if (null (wl-summary-message-number))
1501       (message "No message.")
1502     (save-excursion
1503       (let* ((charset wl-summary-buffer-mime-charset)
1504              (candidates
1505               (with-current-buffer (wl-summary-get-original-buffer)
1506                 (wl-summary-edit-addresses-collect-candidate-fields
1507                  charset)))
1508              address pair result)
1509         (if addr-str
1510             (setq address addr-str)
1511           (when candidates
1512             (setq address (car (car candidates)))
1513             (setq address
1514                   (completing-read
1515                    (format "Target address (%s): " address)
1516                    (mapcar
1517                     (function (lambda (x) (cons (car x) (car x))))
1518                     candidates)
1519                    nil nil nil nil address))))
1520         (when address
1521           (setq pair (assoc address candidates))
1522           (unless pair
1523             (setq pair (cons address nil)))
1524           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1525             ;; update alias
1526             (wl-status-update)
1527             (setq address (assoc (car pair) wl-address-list))
1528             (if address
1529                 (message "%s, %s, <%s> is %s."
1530                          (nth 2 address)
1531                          (nth 1 address)
1532                          (nth 0 address)
1533                          result)))
1534 ;;; i'd like to update summary-buffer, but...
1535 ;;;     (wl-summary-rescan)
1536           (run-hooks 'wl-summary-edit-addresses-hook))))))
1537
1538 (defun wl-summary-incorporate (&optional arg)
1539   "Check and prefetch all uncached messages.
1540 If ARG is non-nil, checking is omitted."
1541   (interactive "P")
1542   (unless arg
1543     (save-excursion
1544       (wl-summary-sync-force-update)))
1545   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1546                                       wl-summary-incorporate-marks))
1547
1548 (defun wl-summary-force-prefetch ()
1549   "All uncached messages are cached."
1550   (interactive)
1551   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1552     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1553                                              'uncached 'in-msgdb))
1554           (count 0)
1555           wl-prefetch-confirm
1556           wl-prefetch-threshold
1557           (elmo-inhibit-display-retrieval-progress t)
1558           length msg)
1559       (save-excursion
1560         (goto-char (point-min))
1561         (setq length (length targets))
1562         (dolist (target targets)
1563           (when (if (not (wl-thread-entity-parent-invisible-p
1564                           (wl-thread-get-entity target)))
1565                     (progn
1566                       (wl-summary-jump-to-msg target)
1567                       (wl-summary-prefetch-msg
1568                        (wl-summary-message-number)))
1569                   (wl-summary-prefetch-msg target))
1570             (message "Retrieving... %d/%d" (incf count) length)))
1571         (message "Retrieved %d/%d message(s)" count length)))))
1572
1573 (defun wl-summary-prefetch-msg (number &optional arg)
1574   "Prefetch message and return non-nil value. If skipped, return nil."
1575   ;; prefetching procedure.
1576   (save-excursion
1577     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1578                                      number 'size))
1579            (file-cached (elmo-file-cache-exists-p
1580                          (elmo-message-field wl-summary-buffer-elmo-folder
1581                                              number 'message-id)))
1582            (force-read (and size
1583                             (or file-cached
1584                                 (and (null wl-prefetch-confirm) arg)
1585                                 (null wl-prefetch-threshold)
1586                                 (< size wl-prefetch-threshold))))
1587            mark new-mark)
1588       (ignore-errors
1589         (when (and (or arg (not file-cached))
1590                    size (not force-read) wl-prefetch-confirm)
1591           (let ((wl-message-entity (elmo-message-entity
1592                                     wl-summary-buffer-elmo-folder
1593                                     number)))
1594             (setq force-read
1595                   (save-restriction
1596                     (widen)
1597                     (y-or-n-p
1598                      (format
1599                       "Message from %s has %d bytes.  Prefetch it? "
1600                       (concat
1601                        "[ "
1602                        (save-match-data
1603                          (wl-set-string-width
1604                           17
1605                           (funcall
1606                            wl-summary-from-function
1607                            (elmo-delete-char
1608                             ?\"
1609                             (or
1610                              (elmo-message-entity-field
1611                               wl-message-entity
1612                               'from)
1613                              "??")))))
1614                        " ]")
1615                       size))))
1616             (message "")))              ; flush.
1617         (if force-read
1618             (save-excursion
1619               (save-match-data
1620                 ;; online
1621                 (when (or arg (not file-cached))
1622                   (elmo-message-encache wl-summary-buffer-elmo-folder
1623                                         number))
1624                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1625                                          number t))
1626               t)
1627           nil)))))
1628
1629 (defsubst wl-summary-narrow-to-region (beg end)
1630   (narrow-to-region
1631    (save-excursion
1632      (goto-char beg)
1633      (beginning-of-line)
1634      (point))
1635    (save-excursion
1636      (goto-char end)
1637      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1638      (point))))
1639
1640 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1641   (interactive "r")
1642   (let ((count 0)
1643         targets
1644         mark length
1645         entity msg
1646         start-pos pos)
1647     (save-excursion
1648       (setq start-pos (point))
1649       (save-restriction
1650         (wl-summary-narrow-to-region beg end)
1651         ;; collect prefetch targets.
1652         (message "Collecting marks...")
1653         (goto-char (point-min))
1654         (while (not (eobp))
1655           (setq msg (wl-summary-message-number))
1656           (setq mark (wl-summary-persistent-mark msg))
1657           (if (or (and (null prefetch-marks)
1658                        msg
1659                        (null (elmo-file-cache-exists-p
1660                               (elmo-message-field
1661                                wl-summary-buffer-elmo-folder
1662                                msg
1663                                'message-id))))
1664                   (member mark prefetch-marks))
1665               (setq targets (nconc targets (list msg))))
1666           (setq entity (wl-thread-get-entity msg))
1667           (if (or (not (eq wl-summary-buffer-view 'thread))
1668                   (wl-thread-entity-get-opened entity))
1669               (); opened. no hidden children.
1670             (setq targets (nconc
1671                            targets
1672                            (wl-thread-get-children-msgs-uncached
1673                             msg prefetch-marks))))
1674           (forward-line 1))
1675         (setq length (length targets))
1676         (message "Prefetching...")
1677         (while targets
1678           (when (if (not (wl-thread-entity-parent-invisible-p
1679                           (wl-thread-get-entity (car targets))))
1680                     (progn
1681                       (wl-summary-jump-to-msg (car targets))
1682                       (wl-summary-prefetch-msg
1683                        (wl-summary-message-number)))
1684                   (wl-summary-prefetch-msg (car targets)))
1685             (message "Prefetching... %d/%d message(s)"
1686                      (setq count (+ 1 count)) length))
1687           (setq targets (cdr targets)))
1688         (message "Prefetched %d/%d message(s)" count length)
1689         (cons count length)))))
1690
1691 (defun wl-summary-delete-marks-on-buffer (marks)
1692   (while marks
1693     (wl-summary-unmark (pop marks))))
1694
1695 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1696   (wl-summary-delete-marks-on-buffer copies))
1697
1698 ;;;
1699 (defun wl-summary-delete-all-target-marks ()
1700   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1701
1702 (defun wl-summary-number-list-from-region (beg end)
1703   (save-excursion
1704     (save-restriction
1705       (wl-summary-narrow-to-region beg end)
1706       (goto-char (point-min))
1707       (let (number-list)
1708         (if (eq wl-summary-buffer-view 'thread)
1709             (while (not (eobp))
1710               (let* ((number (wl-summary-message-number))
1711                      (entity (wl-thread-get-entity number)))
1712                 (setq number-list
1713                       (nconc number-list
1714                              (if (wl-thread-entity-get-opened entity)
1715                                  (list number)
1716                                (wl-thread-get-children-msgs number))))
1717                 (forward-line 1)))
1718           (while (not (eobp))
1719             (setq number-list
1720                   (nconc number-list (list (wl-summary-message-number))))
1721             (forward-line 1)))
1722         number-list))))
1723
1724 (defun wl-summary-mark-as-read-region (beg end)
1725   (interactive "r")
1726   (let ((number-list (wl-summary-number-list-from-region beg end)))
1727     (if (null number-list)
1728         (message "No message.")
1729       (wl-summary-mark-as-read number-list))))
1730
1731 (defun wl-summary-mark-as-unread-region (beg end)
1732   (interactive "r")
1733   (let ((number-list (wl-summary-number-list-from-region beg end)))
1734     (if (null number-list)
1735         (message "No message.")
1736       (wl-summary-mark-as-unread number-list))))
1737
1738 (defun wl-summary-set-flags-region (beg end &optional remove)
1739   (interactive "r\nP")
1740   (let ((number-list (wl-summary-number-list-from-region beg end)))
1741     (if (null number-list)
1742         (message "No message.")
1743       (wl-summary-set-flags-internal number-list nil nil remove)
1744       (wl-summary-count-unread)
1745       (wl-summary-update-modeline))))
1746
1747 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1748   (interactive "r\nP")
1749   (let ((number-list (wl-summary-number-list-from-region beg end))
1750         (remove (or remove
1751                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1752                                             (save-excursion
1753                                               (goto-char beg)
1754                                               (wl-summary-message-number))
1755                                             'answered))))
1756     (if (null number-list)
1757         (message "No message.")
1758       (wl-summary-set-persistent-mark-internal remove 'answered
1759                                                number-list
1760                                                nil nil (interactive-p))
1761       (wl-summary-count-unread)
1762       (wl-summary-update-modeline))))
1763
1764 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1765   (interactive "r\nP")
1766   (let ((number-list (wl-summary-number-list-from-region beg end))
1767         (remove (or remove
1768                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1769                                             (save-excursion
1770                                               (goto-char beg)
1771                                               (wl-summary-message-number))
1772                                             'important))))
1773     (if (null number-list)
1774         (message "No message.")
1775       (wl-summary-set-persistent-mark-internal remove 'important number-list
1776                                                nil nil (interactive-p))
1777       (wl-summary-count-unread)
1778       (wl-summary-update-modeline))))
1779
1780 (defun wl-summary-recover-messages-region (beg end)
1781   "Recover killed messages in region."
1782   (interactive "r")
1783   (let ((number-list (wl-summary-number-list-from-region beg end)))
1784     (if (null number-list)
1785         (message "No message.")
1786       (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
1787                                     number-list))))
1788
1789 (defun wl-summary-mark-as-read-all ()
1790   (interactive)
1791   (if (or (not (interactive-p))
1792           (y-or-n-p "Mark all messages as read? "))
1793       (let ((folder wl-summary-buffer-elmo-folder)
1794             (cur-buf (current-buffer)))
1795         (message "Setting all msgs as read...")
1796         (elmo-folder-unset-flag
1797          folder
1798          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1799          'unread)
1800         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1801         (setq wl-summary-buffer-unread-count 0)
1802         (setq wl-summary-buffer-new-count    0)
1803         (wl-summary-update-modeline)
1804         (message "Setting all msgs as read...done"))))
1805
1806 (defun wl-summary-delete-cache ()
1807   "Delete cache of current message."
1808   (interactive)
1809   (save-excursion
1810     (let* ((folder wl-summary-buffer-elmo-folder)
1811            number)
1812       (setq number (wl-summary-message-number))
1813       (elmo-message-set-cached folder number nil)
1814       (ignore-errors
1815         (elmo-file-cache-delete
1816          (elmo-file-cache-get-path
1817           (elmo-message-field wl-summary-buffer-elmo-folder
1818                               number
1819                               'message-id)))))))
1820
1821 (defun wl-summary-resume-cache-status ()
1822   "Resume the cache status of all messages in the current folder."
1823   (interactive)
1824   (let ((folder wl-summary-buffer-elmo-folder)
1825         number msgid)
1826     (message "Resuming cache status...")
1827     (save-excursion
1828       (goto-char (point-min))
1829       (while (not (eobp))
1830         (setq number (wl-summary-message-number))
1831         (setq msgid (elmo-message-field folder number 'message-id))
1832         (elmo-message-set-cached folder number
1833                                  (elmo-file-cache-exists-p msgid))
1834         (forward-line 1))
1835       (wl-summary-count-unread)
1836       (wl-summary-update-modeline)
1837       (message "Resuming cache status...done"))))
1838
1839 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1840   (interactive)
1841   (save-excursion
1842     (let ((inhibit-read-only t)
1843           (buffer-read-only nil)
1844           (msgs2 msgs)
1845           (len (length msgs))
1846           (i 0)
1847           ;(deleting-info (or deleting-info "Deleting..."))
1848           update-list)
1849       (elmo-kill-buffer wl-summary-search-buf-name)
1850       (while msgs
1851         (if (eq wl-summary-buffer-view 'thread)
1852             (progn
1853               ;; don't use wl-append(nconc), because list is broken. ...why?
1854               (setq update-list
1855                     (append update-list
1856                             (wl-thread-delete-message (car msgs))))
1857               (setq update-list (delq (car msgs) update-list)))
1858           (goto-char (point-min))
1859           (if (wl-summary-jump-to-msg (car msgs))
1860               (progn
1861                 (delete-region (point-at-bol) (point-at-eol))
1862                 (delete-char 1) ; delete '\n'
1863                 (setq wl-summary-buffer-number-list
1864                       (delq (car msgs) wl-summary-buffer-number-list)))))
1865 ;       (when (> len elmo-display-progress-threshold)
1866 ;         (setq i (1+ i))
1867 ;         (if (or (zerop (% i 5)) (= i len))
1868 ;             (elmo-display-progress
1869 ;              'wl-summary-delete-messages-on-buffer deleting-info
1870 ;              (/ (* i 100) len))))
1871         (setq msgs (cdr msgs)))
1872       (when (eq wl-summary-buffer-view 'thread)
1873         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1874         (wl-thread-cleanup-symbols msgs2))
1875       ;;(message (concat deleting-info "done"))
1876       (wl-summary-count-unread)
1877       (wl-summary-update-modeline)
1878       (wl-summary-folder-info-update))))
1879
1880 (defun wl-summary-update-status-marks (beg end &optional check)
1881   "Synchronize status marks on current buffer to the msgdb."
1882   (interactive "r")
1883   (save-excursion
1884     (goto-char beg)
1885     (while (and (< (point) end) (not (eobp)))
1886       (when (or (not check)
1887                 (wl-summary-persistent-mark-invalid-p))
1888         (wl-summary-update-persistent-mark))
1889       (forward-line 1))))
1890
1891 (defun wl-summary-update-mark-window (&optional win beg)
1892   "Update persistent mark in visible summary window.
1893 This function is defined for `window-scroll-functions'"
1894   (with-current-buffer (window-buffer win)
1895     (when (eq major-mode 'wl-summary-mode)
1896       (let ((start (window-start win))
1897             (end (condition-case nil
1898                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1899                    (error (window-end win)))))
1900         (wl-summary-update-status-marks start end 'check)))))
1901
1902 (defun wl-summary-insert-message (&rest args)
1903   (if (eq wl-summary-buffer-view 'thread)
1904       (apply 'wl-summary-insert-thread args)
1905     (apply 'wl-summary-insert-sequential args)))
1906
1907 (defun wl-summary-sort (reverse)
1908   "Sort summary lines into the selected order; argument means descending order."
1909   (interactive "P")
1910   (let ((default-value (symbol-name wl-summary-default-sort-spec)))
1911     (wl-summary-rescan
1912      (wl-completing-read-multiple
1913       (format "%s by (%s): " (if reverse "Reverse sort" "Sort") default-value)
1914       (nconc
1915        (mapcar (lambda (spec) (list (symbol-name spec)))
1916                wl-summary-sort-specs)
1917        (mapcar (lambda (spec) (list (concat "!" (symbol-name spec))))
1918                wl-summary-sort-specs))
1919       nil t nil nil
1920       default-value)
1921      reverse)))
1922
1923 (defun wl-summary-get-available-flags (&optional include-specials)
1924   (let ((flags (elmo-uniq-list
1925                 (append elmo-global-flags
1926                         (copy-sequence elmo-preserved-flags))
1927                 #'delq)))
1928     (if include-specials
1929         flags
1930       (delq 'new (delq 'cached flags)))))
1931
1932 (defun wl-summary-sync-marks ()
1933   "Update persistent marks in summary."
1934   (interactive)
1935   (let ((mes "Updated ")
1936         diff diffs)
1937     (message "Updating marks...")
1938     (dolist (flag (wl-summary-get-available-flags))
1939       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1940                                   wl-summary-buffer-elmo-folder
1941                                   flag)
1942                                  (elmo-folder-list-flagged
1943                                   wl-summary-buffer-elmo-folder
1944                                   flag 'in-msgdb)))
1945       (setq diffs (cadr diff))
1946       (setq mes (concat mes (format "-%d" (length diffs))))
1947       (when diffs
1948         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1949       (setq diffs (car diff)
1950             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1951       (when diffs
1952         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1953     (if (interactive-p) (message "%s" mes))))
1954
1955 (defun wl-summary-sync-update (&optional unset-cursor
1956                                          disable-killed
1957                                          sync-all
1958                                          no-check)
1959   "Update the summary view to the newest folder status."
1960   (interactive)
1961   (let* ((folder wl-summary-buffer-elmo-folder)
1962          (elmo-mime-charset wl-summary-buffer-mime-charset)
1963          (inhibit-read-only t)
1964          (buffer-read-only nil)
1965          gc-message                     ; for XEmacs
1966          crossed expunged mes)
1967     (unwind-protect
1968         (progn
1969           (unless wl-summary-buffer-elmo-folder
1970             (error "(Internal error) Folder is not set:%s" (buffer-name
1971                                                             (current-buffer))))
1972           ;; Flush pending append operations (disconnected operation).
1973           ;;(setq seen-list
1974           ;;(wl-summary-flush-pending-append-operations seen-list))
1975           (goto-char (point-max))
1976           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1977           (setq crossed (elmo-folder-synchronize folder
1978                                                  disable-killed
1979                                                  sync-all
1980                                                  no-check))
1981           (if crossed
1982               (let ((wl-summary-highlight
1983                      (and wl-summary-highlight
1984                           (not wl-summary-lazy-highlight)))
1985                     append-list delete-list
1986                     update-thread update-top-list
1987                     num diff entity
1988                     (i 0))
1989                 ;; Setup sync-all
1990                 (if sync-all (wl-summary-sync-all-init))
1991                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1992                                             folder
1993                                             (not disable-killed)
1994                                             'in-msgdb)
1995                                            wl-summary-buffer-number-list))
1996                 (setq append-list (sort (car diff) #'<))
1997                 (setq delete-list (cadr diff))
1998
1999                 (when delete-list
2000                   (wl-summary-delete-messages-on-buffer delete-list))
2001                 (unless wl-summary-lazy-update-mark
2002                   (wl-summary-update-status-marks (point-min) (point-max)))
2003                 (when (and wl-summary-lazy-highlight
2004                            wl-summary-lazy-update-mark)
2005                   (let (buffer-read-only)
2006                     (put-text-property (point-min) (point-max) 'face nil)))
2007                 (setq num (length append-list))
2008                 (setq wl-summary-delayed-update nil)
2009                 (elmo-kill-buffer wl-summary-search-buf-name)
2010                 (dolist (number append-list)
2011                   (setq entity (elmo-message-entity folder number))
2012                   (when (setq update-thread
2013                               (wl-summary-insert-message
2014                                entity folder
2015                                (not sync-all)))
2016                     (wl-append update-top-list update-thread))
2017                   (if elmo-use-database
2018                       (elmo-database-msgid-put
2019                        (elmo-message-entity-field entity 'message-id)
2020                        (elmo-folder-name-internal folder)
2021                        (elmo-message-entity-number entity)))
2022                   (when (> num elmo-display-progress-threshold)
2023                     (setq i (+ i 1))
2024                     (if (or (zerop (% i 5)) (= i num))
2025                         (elmo-display-progress
2026                          'wl-summary-sync-update
2027                          (if (eq wl-summary-buffer-view 'thread)
2028                              "Making thread..."
2029                            "Inserting message...")
2030                          (/ (* i 100) num)))))
2031                 (when wl-summary-delayed-update
2032                   (while wl-summary-delayed-update
2033                     (message "Parent (%d) of message %d is no entity"
2034                              (caar wl-summary-delayed-update)
2035                              (elmo-message-entity-number
2036                               (cdar wl-summary-delayed-update)))
2037                     (when (setq update-thread
2038                                 (wl-summary-insert-message
2039                                  (cdar wl-summary-delayed-update)
2040                                  wl-summary-buffer-elmo-folder
2041                                  (not sync-all) t))
2042                       (wl-append update-top-list update-thread))
2043                     (setq wl-summary-delayed-update
2044                           (cdr wl-summary-delayed-update))))
2045                 (when (and (eq wl-summary-buffer-view 'thread)
2046                            update-top-list)
2047                   (wl-thread-update-indent-string-thread
2048                    (elmo-uniq-list update-top-list)))
2049                 (message (if (eq wl-summary-buffer-view 'thread)
2050                              "Making thread...done"
2051                            "Inserting message...done"))
2052                 (when (or delete-list append-list)
2053                   (wl-summary-set-message-modified))
2054                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2055                   (elmo-kill-buffer wl-summary-search-buf-name)
2056                   (message "Inserting message...")
2057                   (wl-thread-insert-top)
2058                   (message "Inserting message...done"))
2059                 (if elmo-use-database
2060                     (elmo-database-close))
2061                 (run-hooks 'wl-summary-sync-updated-hook)
2062                 (setq mes
2063                       (if (and (eq (length delete-list) 0)
2064                                (eq num 0))
2065                           (format
2066                            "No updates for \"%s\"" (elmo-folder-name-internal
2067                                                     folder))
2068                         (format "Updated (-%d/+%d) message(s)"
2069                                 (length delete-list) num))))
2070             (setq mes "Quit updating")))
2071       ;; synchronize marks.
2072       (if (and crossed wl-summary-auto-sync-marks)
2073           (wl-summary-sync-marks))
2074       ;; scoring
2075       (when wl-use-scoring
2076         (setq wl-summary-scored nil)
2077         (wl-summary-score-headers (and sync-all
2078                                        (wl-summary-rescore-msgs
2079                                         wl-summary-buffer-number-list))
2080                                   sync-all)
2081         (when (and wl-summary-scored
2082                    (setq expunged (wl-summary-score-update-all-lines)))
2083           (setq mes (concat mes
2084                             (format " (%d expunged)"
2085                                     (length expunged))))))
2086       (if (and crossed (> crossed 0))
2087           (setq mes
2088                 (if mes
2089                     (concat mes
2090                             (format " (%d crosspost)" crossed))
2091                   (format "%d crosspost message(s)" crossed)))
2092         (and mes (setq mes (concat mes "."))))
2093       ;; Update Folder mode
2094       (wl-folder-set-folder-updated
2095        (elmo-folder-name-internal folder)
2096        (list 0
2097              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
2098              (elmo-folder-length folder)))
2099       (wl-summary-update-modeline)
2100       ;;
2101       (unless unset-cursor
2102         (goto-char (point-min))
2103         (if (not (wl-summary-cursor-down t))
2104             (progn
2105               (goto-char (point-max))
2106               (forward-line -1))
2107           (when (and wl-summary-highlight
2108                      (not wl-summary-lazy-highlight)
2109                      (not (get-text-property (point) 'face)))
2110             (save-excursion
2111               (forward-line (- 0
2112                                (or
2113                                 wl-summary-partial-highlight-above-lines
2114                                 wl-summary-highlight-partial-threshold)))
2115               (wl-highlight-summary (point) (point-max))))))
2116       (wl-delete-all-overlays)
2117       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2118       (set-buffer-modified-p nil)
2119       (if mes (message "%s" mes)))))
2120
2121 (defun wl-summary-set-score-mark (mark)
2122   (save-excursion
2123     (beginning-of-line)
2124     (let ((cur-mark (wl-summary-temp-mark)))
2125       (when (member cur-mark (list " "
2126                                    wl-summary-score-below-mark
2127                                    wl-summary-score-over-mark))
2128         (wl-summary-put-temp-mark mark)
2129         (if wl-summary-highlight
2130             (wl-highlight-summary-current-line))
2131         (set-buffer-modified-p nil)))))
2132
2133 (defun wl-summary-get-score-mark (msg-num)
2134   (let ((score (cdr (assq msg-num wl-summary-scored))))
2135     (if score
2136         (cond ((< score wl-summary-default-score)
2137                "-")
2138               ((> score wl-summary-default-score)
2139                "+")))))
2140
2141 (defun wl-summary-update-modeline ()
2142   (setq wl-summary-buffer-mode-line
2143         (funcall wl-summary-buffer-mode-line-formatter)))
2144
2145 (defun wl-summary-jump-to-msg (&optional number beg end)
2146   (interactive "NJump to Message (No.): ")
2147   (when number
2148     (let ((pos (point))
2149           regexp)
2150       (setq regexp (concat "\r" (int-to-string number) "[^0-9]"))
2151       (if (and beg end (or (< pos beg) (< end pos)))
2152           (progn
2153             (goto-char beg)
2154             (if (re-search-forward regexp end t)
2155                 (progn (backward-char 1) (beginning-of-line) t)
2156               (goto-char pos)
2157               nil))
2158         (beginning-of-line)
2159         (if (or (and (re-search-forward regexp end t)
2160                      (progn (backward-char 1) t))
2161                 (re-search-backward regexp beg t))
2162             (progn (beginning-of-line) t)
2163           nil)))))
2164
2165 (defun wl-summary-highlight-msgs (msgs)
2166   (save-excursion
2167     (let ((len (length msgs))
2168           i)
2169       (message "Hilighting...")
2170       (setq i 0)
2171       (while msgs
2172         (if (wl-summary-jump-to-msg (car msgs))
2173             (wl-highlight-summary-current-line))
2174         (setq msgs (cdr msgs))
2175         (when (> len elmo-display-progress-threshold)
2176           (setq i (+ i 1))
2177           (if (or (zerop (% i 5)) (= i len))
2178               (elmo-display-progress
2179                'wl-summary-highlight-msgs "Highlighting..."
2180                (/ (* i 100) len)))))
2181       (message "Highlighting...done"))))
2182
2183 (defun wl-summary-message-number ()
2184   (save-excursion
2185     (beginning-of-line)
2186     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2187             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2188         (string-to-int (wl-match-buffer 1))
2189       nil)))
2190
2191 (defun wl-summary-delete-all-msgs ()
2192   (interactive)
2193   (let ((cur-buf (current-buffer))
2194         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2195     (set-buffer cur-buf)
2196     (if (null dels)
2197         (message "No message to delete.")
2198       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2199                             (wl-summary-buffer-folder-name)
2200                             (length dels)))
2201           (progn
2202             (message "Deleting...")
2203             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2204                                        'null)
2205             (wl-summary-set-message-modified)
2206             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2207                                           (list 0 0 0))
2208 ;;; for thread.
2209 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2210             (setq wl-summary-buffer-unread-count 0)
2211             (setq wl-summary-buffer-new-count    0)
2212             (wl-summary-update-modeline)
2213             (set-buffer cur-buf)
2214             (let ((inhibit-read-only t)
2215                   (buffer-read-only nil))
2216               (erase-buffer))
2217 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2218             (message "Deleting...done")
2219             t)
2220         nil))))
2221
2222 (defun wl-summary-toggle-thread (&optional arg)
2223   "Toggle thread status (T)hread and (S)equential.
2224 If ARG, without confirm."
2225   (interactive "P")
2226   (when (or arg
2227             (y-or-n-p (format "Toggle threading? (y=%s): "
2228                               (if (eq wl-summary-buffer-view 'thread)
2229                                   "\"off\"" "\"on\""))))
2230     (if (eq wl-summary-buffer-view 'thread)
2231         (setq wl-summary-buffer-view 'sequence)
2232       (setq wl-summary-buffer-view 'thread))
2233     (wl-summary-update-modeline)
2234     (force-mode-line-update)
2235     (wl-summary-rescan nil nil nil t)))
2236
2237 (defun wl-summary-load-file-object (filename)
2238   "Load lisp object from dir."
2239   (with-temp-buffer
2240     (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
2241           insert-file-contents-post-hook
2242           ret-val)
2243       (if (not (file-readable-p filename))
2244           ()
2245         (as-binary-input-file (insert-file-contents filename))
2246         (condition-case nil
2247             (read (current-buffer))
2248           (error (error "Reading failed")))))))
2249
2250 (defun wl-summary-goto-folder (&optional arg)
2251   (interactive "P")
2252   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2253
2254 (defun wl-summary-goto-folder-sticky ()
2255   (interactive)
2256   (wl-summary-goto-folder-subr nil nil nil t t))
2257
2258 (defun wl-summary-goto-last-visited-folder ()
2259   (interactive)
2260   (let ((entity
2261          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2262                                           wl-folder-entity
2263                                           'folder)))
2264     (if entity (wl-folder-set-current-entity-id
2265                 (wl-folder-get-entity-id entity))))
2266   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2267
2268 (defun wl-summary-sticky-p (&optional folder)
2269   (if folder
2270       (get-buffer (wl-summary-sticky-buffer-name
2271                    (elmo-folder-name-internal folder)))
2272     (not (string= wl-summary-buffer-name (buffer-name)))))
2273
2274 (defun wl-summary-always-sticky-folder-p (folder)
2275   (or (eq t wl-summary-always-sticky-folder-list)
2276       (wl-string-match-member
2277        (elmo-folder-name-internal folder)
2278        wl-summary-always-sticky-folder-list)))
2279
2280 (defun wl-summary-stick (&optional force)
2281   "Make current summary buffer sticky."
2282   (interactive "P")
2283   (if (wl-summary-sticky-p)
2284       (message "Current summary buffer is already sticky.")
2285     (when (or force (y-or-n-p "Stick current summary buffer? "))
2286       (wl-summary-toggle-disp-msg 'off)
2287       (wl-summary-switch-to-clone-buffer
2288        (wl-summary-sticky-buffer-name
2289         (wl-summary-buffer-folder-name)))
2290 ;;; ???hang up
2291 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2292 ;;;                   (wl-summary-buffer-folder-name))))
2293       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2294
2295 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2296   (let ((cur-buf (current-buffer))
2297         (msg (wl-summary-message-number))
2298         (buf (get-buffer-create buffer-name))
2299         (folder wl-summary-buffer-elmo-folder)
2300         (copy-variables
2301          (append '(wl-summary-buffer-view
2302                    wl-summary-buffer-temp-mark-list
2303                    wl-summary-buffer-target-mark-list
2304                    wl-summary-buffer-elmo-folder
2305                    wl-summary-buffer-number-column
2306                    wl-summary-buffer-temp-mark-column
2307                    wl-summary-buffer-persistent-mark-column
2308                    wl-summary-buffer-message-modified
2309                    wl-summary-buffer-thread-modified
2310                    wl-summary-buffer-number-list
2311                    wl-summary-buffer-persistent-mark-version
2312                    wl-summary-buffer-folder-name
2313                    wl-summary-buffer-line-formatter)
2314                  (and (eq wl-summary-buffer-view 'thread)
2315                       '(wl-thread-entity-hashtb
2316                         wl-thread-entities
2317                         wl-thread-entity-list))
2318                  (and wl-use-scoring
2319                       '(wl-summary-scored
2320                         wl-summary-default-score
2321                         wl-summary-important-above
2322                         wl-summary-target-above
2323                         wl-summary-mark-below
2324                         wl-summary-expunge-below))
2325                  (and (featurep 'wl-score)
2326                       '(wl-current-score-file
2327                         wl-score-alist)))))
2328     (set-buffer buf)
2329     (wl-summary-mode)
2330     (wl-summary-buffer-set-folder folder)
2331     (let ((buffer-read-only nil))
2332       (insert-buffer cur-buf))
2333     (set-buffer-modified-p nil)
2334     (while copy-variables
2335       (set (car copy-variables)
2336            (save-excursion
2337              (set-buffer cur-buf)
2338              (symbol-value (car copy-variables))))
2339       (setq copy-variables (cdr copy-variables)))
2340     (switch-to-buffer buf)
2341     (kill-buffer cur-buf)
2342     (wl-summary-count-unread)
2343     (wl-summary-update-modeline)
2344     (if msg
2345         (if (eq wl-summary-buffer-view 'thread)
2346             (wl-thread-jump-to-msg msg)
2347           (wl-summary-jump-to-msg msg))
2348       (goto-char (point-max))
2349       (beginning-of-line))))
2350
2351 (defun wl-summary-get-buffer (folder)
2352   (and folder
2353        (or (get-buffer (wl-summary-sticky-buffer-name folder))
2354            (let ((buffer (get-buffer wl-summary-buffer-name)))
2355              (and buffer
2356                   (with-current-buffer buffer
2357                     (string= (wl-summary-buffer-folder-name) folder))
2358                   buffer)))))
2359
2360 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2361   (if force-sticky
2362       (get-buffer-create
2363        (wl-summary-sticky-buffer-name name))
2364     (or (get-buffer (wl-summary-sticky-buffer-name name))
2365         (get-buffer-create wl-summary-buffer-name))))
2366
2367 (defun wl-summary-make-number-list ()
2368   (save-excursion
2369     (goto-char (point-min))
2370     (setq wl-summary-buffer-number-list nil)
2371     (while (not (eobp))
2372       (setq wl-summary-buffer-number-list
2373             (cons (wl-summary-message-number)
2374                   wl-summary-buffer-number-list))
2375       (forward-line 1))
2376     (setq wl-summary-buffer-number-list
2377           (nreverse wl-summary-buffer-number-list))))
2378
2379 (defun wl-summary-auto-select-msg-p (unread-msg)
2380   (and unread-msg
2381        (not (elmo-message-has-global-flag-p
2382              wl-summary-buffer-elmo-folder unread-msg))))
2383
2384 (defsubst wl-summary-open-folder (folder)
2385   ;; Select folder
2386   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2387     (unwind-protect
2388         (elmo-folder-open folder 'load-msgdb)
2389       ;; For compatibility
2390       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2391                                            folder)))))
2392
2393 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2394                                               sticky interactive scoring
2395                                               force-exit)
2396   "Display target folder on summary."
2397   (interactive)
2398   (let* ((keep-cursor (memq this-command
2399                             wl-summary-keep-cursor-command))
2400          (name (or name (wl-summary-read-folder wl-default-folder)))
2401          (cur-fld wl-summary-buffer-elmo-folder)
2402          folder buf mes hilit reuse-buf
2403          retval entity)
2404     (if (string= name "")
2405         (setq name wl-default-folder))
2406     (setq folder (wl-folder-get-elmo-folder name))
2407     (when (and (not (string=
2408                      (and cur-fld (elmo-folder-name-internal cur-fld))
2409                      (elmo-folder-name-internal folder))) ; folder is moved.
2410                (eq major-mode 'wl-summary-mode)) ; called in summary.
2411       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2412       (run-hooks 'wl-summary-exit-pre-hook)
2413       (if (or force-exit (not (wl-summary-sticky-p)))
2414           (wl-summary-cleanup-temp-marks))
2415       (wl-summary-save-view)
2416       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2417       (if (and (wl-summary-sticky-p) force-exit)
2418           (kill-buffer (current-buffer))))
2419     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2420                                             sticky))
2421     (setq reuse-buf
2422           (save-excursion
2423             (set-buffer buf)
2424             (string= (elmo-folder-name-internal folder)
2425                      (wl-summary-buffer-folder-name))))
2426     (unwind-protect
2427         (if reuse-buf
2428             (if interactive
2429                 (switch-to-buffer buf)
2430               (set-buffer buf))
2431           (if other-window
2432               (delete-other-windows))
2433           (set-buffer buf)
2434           (unless (eq major-mode 'wl-summary-mode)
2435             (wl-summary-mode))
2436           (wl-summary-buffer-set-folder folder)
2437           (setq wl-summary-buffer-display-mime-mode
2438                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2439                     'as-is
2440                   'mime))
2441           (setq wl-summary-buffer-disp-msg nil)
2442           (setq wl-summary-buffer-message-ring nil)
2443           (setq wl-summary-buffer-current-msg nil)
2444           (setq wl-summary-buffer-persistent-mark-version 0)
2445           (let ((inhibit-read-only t)
2446                 (buffer-read-only nil))
2447             (erase-buffer)
2448             ;; Resume summary view
2449             (if wl-summary-cache-use
2450                 (let* ((dir (elmo-folder-msgdb-path folder))
2451                        (cache (expand-file-name wl-summary-cache-file dir))
2452                        (view (expand-file-name wl-summary-view-file dir)))
2453                   (when (file-exists-p cache)
2454                     (insert-file-contents-as-binary cache)
2455                     (set-buffer-multibyte
2456                      default-enable-multibyte-characters)
2457                     (decode-mime-charset-region
2458                      (point-min)(point-max)
2459                      wl-summary-buffer-mime-charset 'LF))
2460                   (if (file-exists-p view)
2461                       (setq wl-summary-buffer-view
2462                             (wl-summary-load-file-object view))
2463                     (setq wl-summary-buffer-view
2464                           (or (wl-get-assoc-list-value
2465                                wl-summary-default-view-alist
2466                                (elmo-folder-name-internal folder))
2467                               wl-summary-default-view)))
2468                   (wl-thread-resume-entity folder)
2469                   (wl-summary-open-folder folder)
2470                   (wl-summary-detect-mark-position))
2471               (setq wl-summary-buffer-view
2472                     (wl-summary-load-file-object
2473                      (expand-file-name wl-summary-view-file
2474                                        (elmo-folder-msgdb-path folder))))
2475               (wl-summary-open-folder folder)
2476               (wl-summary-detect-mark-position)
2477               (wl-summary-rescan))
2478             (wl-summary-count-unread)
2479             (wl-summary-update-modeline)))
2480       (unless (eq wl-summary-buffer-view 'thread)
2481         (wl-summary-make-number-list))
2482       (when (and wl-summary-cache-use
2483                  (or (and wl-summary-check-line-format
2484                           (wl-summary-line-format-changed-p))
2485                      (wl-summary-view-old-p)))
2486         (wl-summary-rescan))
2487       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2488       (unless (and reuse-buf keep-cursor)
2489         (unwind-protect
2490             (let ((wl-use-scoring
2491                    (if (or scoring interactive) wl-use-scoring)))
2492               (if (and (not scan-type)
2493                        interactive
2494                        (not wl-ask-range))
2495                   (setq scan-type (wl-summary-get-sync-range folder)))
2496               (cond
2497                ((eq scan-type nil)
2498                 (wl-summary-sync 'unset-cursor))
2499                ((eq scan-type 'all)
2500                 (wl-summary-sync 'unset-cursor "all"))
2501                ((eq scan-type 'no-sync))
2502                ((eq scan-type 'rescan)
2503                 (wl-summary-rescan))
2504                ((or (eq scan-type 'force-update)
2505                     (eq scan-type 'update))
2506                 (setq mes (wl-summary-sync-force-update
2507                            'unset-cursor)))))
2508           (if interactive
2509               (switch-to-buffer buf)
2510             (set-buffer buf))
2511           ;; stick always-sticky-folder
2512           (when (wl-summary-always-sticky-folder-p folder)
2513             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2514           (run-hooks 'wl-summary-prepared-pre-hook)
2515           (set-buffer-modified-p nil)
2516           (goto-char (point-min))
2517           (if (wl-summary-cursor-down t)
2518               (let ((unreadp (wl-summary-next-message
2519                               (wl-summary-message-number)
2520                               'down t)))
2521                 (cond ((and wl-auto-select-first
2522                             (wl-summary-auto-select-msg-p unreadp))
2523                        ;; wl-auto-select-first is non-nil and
2524                        ;; unreadp is non-nil but not flagged
2525                        (setq retval 'disp-msg))
2526                       ((and wl-auto-prefetch-first
2527                             (wl-summary-auto-select-msg-p unreadp))
2528                        ;; wl-auto-select-first is non-nil and
2529                        ;; unreadp is non-nil but not flagged
2530                        (setq retval 'prefetch-msg))
2531                       ((not (wl-summary-auto-select-msg-p unreadp))
2532                        ;; unreadp is nil or flagged
2533                        (setq retval 'more-next))))
2534             (goto-char (point-max))
2535             (if (elmo-folder-plugged-p folder)
2536                 (forward-line -1)
2537               (wl-summary-prev))
2538             (setq retval 'more-next))
2539           (if (and wl-summary-highlight
2540                    (not wl-summary-lazy-highlight)
2541                    (not reuse-buf))
2542               (if (and wl-summary-highlight-partial-threshold
2543                        (> (count-lines (point-min) (point-max))
2544                           wl-summary-highlight-partial-threshold))
2545                   (save-excursion
2546                     (forward-line (-
2547                                    0
2548                                    (or
2549                                     wl-summary-partial-highlight-above-lines
2550                                     wl-summary-highlight-partial-threshold)))
2551                     (wl-highlight-summary (point) (point-max)))
2552                 (wl-highlight-summary (point-min) (point-max))))
2553           (if (eq retval 'disp-msg)
2554               (wl-summary-redisplay))
2555           (if (eq retval 'prefetch-msg)
2556               (wl-message-buffer-prefetch
2557                folder
2558                (wl-summary-message-number)
2559                (min (or wl-message-buffer-prefetch-depth 0)
2560                     (1- wl-message-buffer-cache-size))
2561                (current-buffer)
2562                wl-summary-buffer-mime-charset))
2563           (if mes (message "%s" mes))
2564           (if (and interactive wl-summary-recenter)
2565               (recenter (/ (- (window-height) 2) 2))))))
2566     ;; set current entity-id
2567     (when (and folder
2568                (setq entity
2569                      (wl-folder-search-entity-by-name
2570                       (elmo-folder-name-internal folder)
2571                       wl-folder-entity
2572                       'folder)))
2573       ;; entity-id is unknown.
2574       (wl-folder-set-current-entity-id
2575        (wl-folder-get-entity-id entity)))
2576     (when (and wl-summary-buffer-window-scroll-functions
2577                wl-on-xemacs)
2578       (sit-for 0))
2579     (when (or (eq t wl-summary-force-prefetch-folder-list)
2580               (wl-string-match-member
2581                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2582                wl-summary-force-prefetch-folder-list))
2583       (wl-summary-force-prefetch))
2584     (unwind-protect
2585         (run-hooks 'wl-summary-prepared-hook)
2586       (set-buffer-modified-p nil))
2587     retval))
2588
2589 (defun wl-summary-goto-previous-message-beginning ()
2590   (end-of-line)
2591   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2592   (beginning-of-line))
2593
2594 (defun wl-summary-goto-top-of-current-thread ()
2595   (wl-summary-jump-to-msg
2596    (wl-thread-entity-get-number
2597     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2598                                       (wl-summary-message-number))))))
2599
2600 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2601   (interactive)
2602   (let ((depth (or depth
2603                    (wl-thread-get-depth-of-current-line))))
2604     (forward-line 1)
2605     (while (and (not (eobp))
2606                 (>= (wl-thread-get-depth-of-current-line)
2607                     depth))
2608       (forward-line 1))
2609     (beginning-of-line)))
2610
2611 (defun wl-summary-insert-line (line)
2612   "Insert LINE in the Summary."
2613   (if wl-use-highlight-mouse-line
2614       ;; remove 'mouse-face of current line.
2615       (put-text-property
2616        (save-excursion (beginning-of-line)(point))
2617        (save-excursion (end-of-line)(point))
2618        'mouse-face nil))
2619   (insert line "\n")
2620   (save-excursion
2621     (forward-line -1)
2622     (let* ((number (wl-summary-message-number))
2623            (mark-info (wl-summary-registered-temp-mark number)))
2624       (when (and mark-info (nth 2 mark-info))
2625         (wl-summary-print-argument number (nth 2 mark-info)))))
2626   (if wl-use-highlight-mouse-line
2627       ;; remove 'mouse-face of current line.
2628       (put-text-property
2629        (save-excursion (beginning-of-line)(point))
2630        (save-excursion (end-of-line)(point))
2631        'mouse-face nil))
2632   (ignore-errors
2633     (run-hooks 'wl-summary-line-inserted-hook)))
2634
2635 (defun wl-summary-insert-sequential (entity folder &rest args)
2636   (when entity
2637     (let ((inhibit-read-only t)
2638           (number (elmo-message-entity-number entity))
2639           buffer-read-only)
2640       (goto-char (point-max))
2641       (wl-summary-insert-line
2642        (wl-summary-create-line entity nil nil
2643                                (elmo-message-status folder number)))
2644       (setq wl-summary-buffer-number-list
2645             (wl-append wl-summary-buffer-number-list
2646                        (list (elmo-message-entity-number entity))))
2647       nil)))
2648
2649 (defun wl-summary-default-subject-filter (subject)
2650   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2651   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2652   (elmo-replace-in-string subject "^\\[[^]]*\\]" ""))
2653
2654 (defun wl-summary-subject-equal (subject1 subject2)
2655   (string= (funcall wl-summary-subject-filter-function subject1)
2656            (funcall wl-summary-subject-filter-function subject2)))
2657
2658 (defmacro wl-summary-put-alike (alike)
2659   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2660                         (, alike)
2661                         wl-summary-alike-hashtb)))
2662
2663 (defmacro wl-summary-get-alike ()
2664   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2665                         wl-summary-alike-hashtb)))
2666
2667 (defun wl-summary-insert-headers (folder func &optional mime-decode)
2668   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2669         ov this last alike)
2670     (buffer-disable-undo (current-buffer))
2671     (make-local-variable 'wl-summary-alike-hashtb)
2672     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2673     (when mime-decode
2674       (set-buffer-multibyte default-enable-multibyte-characters))
2675     (while (setq ov (elmo-message-entity folder (pop numbers)))
2676       (setq this (funcall func ov))
2677       (and this (setq this (std11-unfold-string this)))
2678       (if (equal last this)
2679           (setq alike (cons ov alike))
2680         (when last
2681           (wl-summary-put-alike alike)
2682           (insert last ?\n))
2683         (setq alike (list ov)
2684               last this)))
2685     (when last
2686       (wl-summary-put-alike alike)
2687       (insert last ?\n))
2688     (when mime-decode
2689       (decode-mime-charset-region (point-min) (point-max)
2690                                   elmo-mime-charset)
2691       (when (eq mime-decode 'mime)
2692         (eword-decode-region (point-min) (point-max))))
2693     (run-hooks 'wl-summary-insert-headers-hook)))
2694
2695 (defun wl-summary-search-by-subject (entity folder)
2696   (let ((summary-buf (current-buffer))
2697         (buf (get-buffer-create wl-summary-search-buf-name))
2698         (folder-name (wl-summary-buffer-folder-name))
2699         match founds result)
2700     (with-current-buffer buf
2701       (let ((case-fold-search t))
2702         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2703                   (zerop (buffer-size)))
2704           (setq wl-summary-search-buf-folder-name folder-name)
2705           (message "Creating subject cache...")
2706           (wl-summary-insert-headers
2707            folder
2708            (function
2709             (lambda (x)
2710               (funcall wl-summary-subject-filter-function
2711                        (elmo-message-entity-field x 'subject)))))
2712           (message "Creating subject cache...done"))
2713         (setq match (funcall wl-summary-subject-filter-function
2714                              (elmo-message-entity-field entity 'subject)))
2715         (if (string= match "")
2716             (setq match "\n"))
2717         (goto-char (point-max))
2718         (while (and (null result)
2719                     (not (= (point) (point-min)))
2720                     (search-backward match nil t))
2721           ;; check exactly match
2722           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2723             (setq founds (wl-summary-get-alike))
2724             (with-current-buffer summary-buf
2725               (while founds
2726                 (when (and
2727                        ;; the first element of found-entity list exists on
2728                        ;; thread tree.
2729                        (wl-thread-get-entity
2730                         (elmo-message-entity-number (car founds)))
2731                        ;; message id is not same as myself.
2732                        (not (string=
2733                              (elmo-message-entity-field entity 'message-id)
2734                              (elmo-message-entity-field (car founds)
2735                                                         'message-id)))
2736                        ;; not a descendant.
2737                        (not (wl-thread-descendant-p
2738                              (elmo-message-entity-number entity)
2739                              (elmo-message-entity-number (car founds)))))
2740                   (setq result (car founds)
2741                         founds nil))
2742                 (setq founds (cdr founds))))))
2743         result))))
2744
2745 (defun wl-summary-insert-thread (entity folder update
2746                                         &optional force-insert)
2747   (let ((depth 0)
2748         this-id parent-entity parent-number
2749         number cur-entity linked retval delayed-entity
2750         update-list entity-stack thread-entity)
2751     (while entity
2752       (setq this-id (elmo-message-entity-field entity 'message-id)
2753             number (elmo-message-entity-number entity))
2754       (if (and wl-thread-saved-entity-hashtb-internal
2755                (setq thread-entity
2756                      (elmo-get-hash-val
2757                       (format "#%d" (elmo-message-entity-number entity))
2758                       wl-thread-saved-entity-hashtb-internal)))
2759           (setq parent-entity
2760                 (elmo-message-entity
2761                  folder
2762                  (wl-thread-entity-get-parent thread-entity))
2763                 linked (wl-thread-entity-get-linked thread-entity))
2764         (setq parent-entity (elmo-message-entity-parent folder entity)
2765               linked nil))
2766       (setq parent-number (and parent-entity
2767                                (elmo-message-entity-number parent-entity)))
2768       ;; If thread loop detected, set parent as nil.
2769       (let ((cur entity)
2770             anumber relatives)
2771         (while cur
2772           (when (setq anumber
2773                       (elmo-message-entity-number
2774                        (setq cur (elmo-message-entity-parent folder cur))))
2775             (if (memq anumber relatives)
2776                 (setq parent-number nil
2777                       cur nil))
2778             (setq relatives (cons anumber relatives)))))
2779       (if (and parent-number
2780                (not (wl-thread-get-entity parent-number))
2781                (not force-insert))
2782           ;; parent exists in overview, but not in wl-thread-entities
2783           (progn
2784             (wl-append wl-summary-delayed-update
2785                        (list (cons parent-number entity)))
2786             (setq entity nil)) ;; exit loop
2787         ;; Search parent by subject.
2788         (when (and (null parent-number)
2789                    wl-summary-search-parent-by-subject-regexp
2790                    (string-match
2791                     wl-summary-search-parent-by-subject-regexp
2792                     (elmo-message-entity-field entity 'subject)))
2793           (let ((found (wl-summary-search-by-subject entity folder)))
2794             (when (and found
2795                        (not (member found wl-summary-delayed-update)))
2796               (setq parent-entity found)
2797               (setq parent-number
2798                     (elmo-message-entity-number parent-entity))
2799               (setq linked t))))
2800         ;; If subject is change, divide thread.
2801         (if (and parent-number
2802                  wl-summary-divide-thread-when-subject-changed
2803                  (not (wl-summary-subject-equal
2804                        (or (elmo-message-entity-field entity 'subject) "")
2805                        (or (elmo-message-entity-field parent-entity
2806                                                       'subject) ""))))
2807             (setq parent-number nil))
2808         (setq retval
2809               (wl-thread-insert-message entity
2810                                         number parent-number update linked))
2811         (and retval
2812              (wl-append update-list (list retval)))
2813         (setq entity nil) ; exit loop
2814         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2815           (setq wl-summary-delayed-update
2816                 (delq delayed-entity wl-summary-delayed-update))
2817           ;; update delayed message
2818           (wl-append entity-stack (list (cdr delayed-entity)))))
2819       (if (and (not entity)
2820                entity-stack)
2821           (setq entity (pop entity-stack))))
2822     update-list))
2823
2824 (defun wl-summary-update-thread (entity
2825                                  thr-entity
2826                                  parent-entity)
2827   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2828          (overview-entity entity)
2829          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2830          (number (elmo-message-entity-number entity))
2831          (parent-number (elmo-message-entity-number parent-entity))
2832          insert-line)
2833     (cond
2834      ((or (not parent-id)
2835           (string= this-id parent-id))
2836       (goto-char (point-max))
2837       (beginning-of-line)
2838       (setq insert-line t))
2839      ;; parent already exists in buffer.
2840      ((wl-summary-jump-to-msg parent-number)
2841       (wl-thread-goto-bottom-of-sub-thread)
2842       (setq insert-line t)))
2843     (when insert-line
2844       (let (buffer-read-only)
2845         (wl-summary-insert-line
2846          (wl-summary-create-line
2847           entity
2848           parent-entity
2849           nil
2850           (wl-summary-message-status number)
2851           (wl-thread-maybe-get-children-num number)
2852           (wl-thread-make-indent-string thr-entity)
2853           (wl-thread-entity-get-linked thr-entity)))))))
2854
2855 (defun wl-summary-target-mark-msgs (msgs)
2856   "Return the number of marked messages."
2857   (let ((i 0))
2858     (dolist (number msgs)
2859       (when (wl-summary-target-mark number)
2860         (setq i (1+ i))))
2861     i))
2862
2863 (defun wl-summary-pick (&optional from-list delete-marks)
2864   (interactive "i\nP")
2865   (save-excursion
2866     (let* ((messages (or from-list
2867                          (elmo-folder-list-messages
2868                           wl-summary-buffer-elmo-folder
2869                           'visible
2870                           'in-msgdb)
2871                          (error "No messages")))
2872            (condition (car (elmo-parse-search-condition
2873                             (wl-read-search-condition
2874                              wl-summary-pick-field-default))))
2875            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2876                                        condition
2877                                        messages))
2878            num)
2879       (if delete-marks
2880           (let ((mlist wl-summary-buffer-target-mark-list))
2881             (while mlist
2882               (when (wl-summary-jump-to-msg (car mlist))
2883                 (wl-summary-unmark))
2884               (setq mlist (cdr mlist)))
2885             (setq wl-summary-buffer-target-mark-list nil)))
2886       (if (and result
2887                (setq num (wl-summary-target-mark-msgs result))
2888                (> num 0))
2889           (if (= num (length result))
2890               (message "%d message(s) are picked." num)
2891             (message "%d(%d) message(s) are picked." num
2892                      (- (length result) num)))
2893         (message "No message was picked.")))))
2894
2895 (defun wl-summary-unvirtual ()
2896   "Exit from current virtual folder."
2897   (interactive)
2898   (if (eq 'filter
2899           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2900       (wl-summary-goto-folder-subr
2901        (elmo-folder-name-internal
2902         (elmo-filter-folder-target-internal
2903          wl-summary-buffer-elmo-folder))
2904        'update nil nil t)
2905     (error "This folder is not filtered")))
2906
2907 (defun wl-summary-virtual (&optional arg)
2908   "Goto virtual folder.
2909 If ARG, exit virtual folder."
2910   (interactive "P")
2911   (if arg
2912       (wl-summary-unvirtual)
2913     (wl-summary-goto-folder-subr (concat "/"
2914                                          (wl-read-search-condition
2915                                           wl-summary-pick-field-default)
2916                                          "/"
2917                                          (wl-summary-buffer-folder-name))
2918                                  'update nil nil t)
2919     (run-hooks 'wl-summary-virtual-hook)))
2920
2921 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2922   "Erase all temp marks from buffer."
2923   (interactive)
2924   (when (or wl-summary-buffer-target-mark-list
2925             wl-summary-buffer-temp-mark-list
2926             wl-summary-scored)
2927     (save-excursion
2928       (goto-char (point-min))
2929       (unless no-msg
2930         (message "Unmarking..."))
2931       (while (not (eobp))
2932         (wl-summary-unset-mark nil nil force)
2933         (forward-line 1))
2934       (unless no-msg
2935         (message "Unmarking...done"))
2936       (setq wl-summary-buffer-target-mark-list nil)
2937       (setq wl-summary-buffer-temp-mark-list nil))))
2938
2939 (defsubst wl-summary-temp-mark (&optional number)
2940   "Return temp-mark string of current line."
2941   (let ((number (or number (wl-summary-message-number)))
2942         info)
2943     (or (and (wl-summary-have-target-mark-p number)
2944              "*")
2945         (and (setq info (wl-summary-registered-temp-mark number))
2946              (nth 1 info))
2947         (wl-summary-get-score-mark number)
2948         " ")))
2949
2950 (defun wl-summary-persistent-mark-invalid-p ()
2951   (not
2952    (equal
2953     ;; mey be nil.
2954     (get-text-property (point) 'wl-summary-persistent-mark-version)
2955     wl-summary-buffer-persistent-mark-version)))
2956
2957 (defun wl-summary-validate-persistent-mark (beg end)
2958   (let ((inhibit-read-only t)
2959         (buffer-read-only nil))
2960     (put-text-property beg end
2961                        'wl-summary-persistent-mark-version
2962                        wl-summary-buffer-persistent-mark-version)
2963     (set-buffer-modified-p nil)))
2964
2965 (defun wl-summary-validate-persistent-mark-string (string)
2966   (put-text-property 0 (length string)
2967                      'wl-summary-persistent-mark-version
2968                      wl-summary-buffer-persistent-mark-version
2969                      string))
2970
2971 (defun wl-summary-invalidate-persistent-mark ()
2972   (setq wl-summary-buffer-persistent-mark-version
2973         (1+ wl-summary-buffer-persistent-mark-version)))
2974
2975 (defsubst wl-summary-persistent-mark-string (folder status)
2976   "Return the persistent mark string.
2977 The mark is decided according to the FOLDER and STATUS."
2978   (let ((priorities wl-summary-persistent-mark-priority-list)
2979         (flags (elmo-message-status-flags status))
2980         (cached (elmo-message-status-cached-p status))
2981         mark)
2982     (while (and (null mark) priorities)
2983       (let ((flag (car priorities)))
2984         (cond
2985          ((eq flag 'flag)
2986           (let ((flags (elmo-get-global-flags flags 'ignore-preserved))
2987                 (specs wl-summary-flag-alist)
2988                 spec)
2989             (when flags
2990               (while (setq spec (car specs))
2991                 (if (memq (car spec) flags)
2992                     (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2993                           specs nil)
2994                   (setq specs (cdr specs))))
2995               (unless mark
2996                 (setq mark wl-summary-flag-mark)))))
2997          ((eq flag 'killed)
2998           (when (elmo-message-status-killed-p status)
2999             (setq mark wl-summary-killed-mark)))
3000          ((memq flag flags)
3001           (setq mark
3002                 (let ((var (intern-soft
3003                             (format
3004                              (if cached
3005                                  "wl-summary-%s-cached-mark"
3006                                "wl-summary-%s-uncached-mark")
3007                              flag))))
3008                   (or (and var (boundp var) (symbol-value var))
3009                       (funcall (if cached #'downcase #'upcase)
3010                                (substring (symbol-name flag) 0 1)))))))
3011         (setq priorities (cdr priorities))))
3012     (or mark
3013         (if (or cached (elmo-folder-local-p folder))
3014             nil
3015           wl-summary-uncached-mark))))
3016
3017 (defsubst wl-summary-message-mark (folder number &optional status)
3018   "Return mark of the message."
3019   (ignore-errors
3020     (wl-summary-persistent-mark-string
3021      folder
3022      (or status (elmo-message-status folder number)))))
3023
3024 (defsubst wl-summary-persistent-mark (&optional number status)
3025   "Return persistent-mark string of current line."
3026   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
3027                                (or number (wl-summary-message-number))
3028                                status)
3029       " "))
3030
3031 (defun wl-summary-put-temp-mark (mark)
3032   "Put temp MARK on current line."
3033   (when wl-summary-buffer-temp-mark-column
3034     (save-excursion
3035       (beginning-of-line)
3036       (let ((inhibit-read-only t)
3037             (buffer-read-only nil))
3038         (move-to-column wl-summary-buffer-temp-mark-column)
3039         (delete-backward-char 1)
3040         (insert mark)))))
3041
3042 (defun wl-summary-next-buffer ()
3043   "Switch to next summary buffer."
3044   (interactive)
3045   (let ((buffers (sort (wl-collect-summary)
3046                        (lambda (buffer1 buffer2)
3047                          (string-lessp (buffer-name buffer1)
3048                                        (buffer-name buffer2))))))
3049     (switch-to-buffer
3050      (or (cadr (memq (current-buffer) buffers))
3051          (car buffers)))))
3052
3053 (defun wl-summary-previous-buffer ()
3054   "Switch to previous summary buffer."
3055   (interactive)
3056   (let ((buffers (sort (wl-collect-summary)
3057                        (lambda (buffer1 buffer2)
3058                          (not (string-lessp (buffer-name buffer1)
3059                                             (buffer-name buffer2)))))))
3060     (switch-to-buffer
3061      (or (cadr (memq (current-buffer) buffers))
3062          (car buffers)))))
3063
3064 (defun wl-summary-check-target-mark ()
3065   (when (null wl-summary-buffer-target-mark-list)
3066     (error "No marked message")))
3067
3068 (defun wl-summary-target-mark-mark-as-read ()
3069   (interactive)
3070   (wl-summary-check-target-mark)
3071   (save-excursion
3072     (goto-char (point-min))
3073     (let ((inhibit-read-only t)
3074           (buffer-read-only nil)
3075           wl-summary-buffer-disp-msg)
3076       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
3077       (dolist (number wl-summary-buffer-target-mark-list)
3078         (wl-summary-unset-mark number)))))
3079
3080 (defun wl-summary-target-mark-mark-as-unread ()
3081   (interactive)
3082   (wl-summary-check-target-mark)
3083   (save-excursion
3084     (goto-char (point-min))
3085     (let ((inhibit-read-only t)
3086           (buffer-read-only nil)
3087           wl-summary-buffer-disp-msg)
3088       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
3089       (dolist (number wl-summary-buffer-target-mark-list)
3090         (wl-summary-unset-mark number)))))
3091
3092 (defun wl-summary-target-mark-operation (flag &optional inverse)
3093   (wl-summary-check-target-mark)
3094   (save-excursion
3095     (let ((inhibit-read-only t)
3096           (buffer-read-only nil)
3097           wl-summary-buffer-disp-msg)
3098       (funcall
3099        (intern (format "wl-summary-mark-as-%s-internal" flag))
3100        inverse
3101        wl-summary-buffer-target-mark-list)
3102       (wl-summary-delete-all-target-marks))))
3103
3104 (defun wl-summary-target-mark-mark-as-important (&optional remove)
3105   (interactive "P")
3106   (wl-summary-target-mark-operation 'important remove))
3107
3108 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
3109   (interactive "P")
3110   (wl-summary-target-mark-operation 'answered remove))
3111
3112 (defun wl-summary-target-mark-set-flags (&optional remove)
3113   (interactive "P")
3114   (wl-summary-check-target-mark)
3115   (save-excursion
3116     (let ((inhibit-read-only t)
3117           (buffer-read-only nil)
3118           wl-summary-buffer-disp-msg)
3119       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
3120                                      nil nil remove)
3121       (wl-summary-delete-all-target-marks)
3122       (wl-summary-count-unread)
3123       (wl-summary-update-modeline))))
3124
3125 (defun wl-summary-target-mark-recover ()
3126   "Recover killed messages which have target mark."
3127   (interactive)
3128   (wl-summary-check-target-mark)
3129   (save-excursion
3130     (let ((inhibit-read-only t)
3131           (buffer-read-only nil)
3132           wl-summary-buffer-disp-msg)
3133       (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
3134                                     wl-summary-buffer-target-mark-list)
3135       (dolist (number wl-summary-buffer-target-mark-list)
3136         (wl-summary-unset-mark number)))))
3137
3138 (defun wl-summary-target-mark-save ()
3139   (interactive)
3140   (wl-summary-check-target-mark)
3141   (let ((wl-save-dir
3142          (wl-read-directory-name "Save to directory: "
3143                                  wl-temporary-file-directory))
3144         number)
3145     (if (null (file-exists-p wl-save-dir))
3146         (make-directory wl-save-dir))
3147     (while (setq number (car wl-summary-buffer-target-mark-list))
3148       (wl-thread-jump-to-msg number)
3149       (wl-summary-save t wl-save-dir)
3150       (wl-summary-unmark))))
3151
3152 (defun wl-summary-target-mark-pick ()
3153   (interactive)
3154   (wl-summary-check-target-mark)
3155   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3156
3157 (defun wl-summary-update-persistent-mark (&optional number)
3158   "Synch up persistent mark of current line with msgdb's.
3159 Return non-nil if the mark is updated"
3160   (interactive)
3161   (let ((status (wl-summary-message-status number)))
3162     (prog1
3163         (when wl-summary-buffer-persistent-mark-column
3164           (save-excursion
3165             (move-to-column wl-summary-buffer-persistent-mark-column)
3166             (let ((inhibit-read-only t)
3167                   (buffer-read-only nil)
3168                   (mark (buffer-substring (- (point) 1) (point)))
3169                   (new-mark (wl-summary-persistent-mark number status)))
3170               (prog1
3171                   (unless (string= new-mark mark)
3172                     (delete-backward-char 1)
3173                     (insert new-mark)
3174                     (wl-summary-set-message-modified)
3175                     t)
3176                 (wl-summary-validate-persistent-mark (point-at-bol)
3177                                                      (point-at-eol))))))
3178       (when wl-summary-highlight
3179         (wl-highlight-summary-current-line number status))
3180       (set-buffer-modified-p nil))))
3181
3182 (defsubst wl-summary-mark-as-read-internal (inverse
3183                                             number-or-numbers
3184                                             no-folder-mark
3185                                             no-modeline-update)
3186   (save-excursion
3187     (let ((folder wl-summary-buffer-elmo-folder)
3188           unread-message number
3189           number-list)
3190       (setq number-list (cond ((numberp number-or-numbers)
3191                                (setq unread-message
3192                                      (elmo-message-flagged-p
3193                                       folder
3194                                       number-or-numbers
3195                                       'unread))
3196                                (list number-or-numbers))
3197                               ((and (not (null number-or-numbers))
3198                                     (listp number-or-numbers))
3199                                number-or-numbers)
3200                               ((setq number (wl-summary-message-number))
3201                                ;; interactive
3202                                (setq unread-message
3203                                      (elmo-message-flagged-p
3204                                       folder
3205                                       number
3206                                       'unread))
3207                                (list number))))
3208       (if (null number-list)
3209           (message "No message.")
3210         (if inverse
3211             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3212           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3213         (when (and unread-message
3214                    (not inverse))
3215           (dolist (number number-list)
3216             (wl-summary-jump-to-msg number)
3217             (run-hooks 'wl-summary-unread-message-hook)))
3218         (unless no-modeline-update
3219           ;; Update unread numbers.
3220           (wl-summary-count-unread)
3221           (wl-summary-update-modeline)
3222           (wl-folder-update-unread
3223            (wl-summary-buffer-folder-name)
3224            wl-summary-buffer-unread-count))))))
3225
3226 (defun wl-summary-mark-as-read (&optional number-or-numbers
3227                                           no-folder-mark
3228                                           no-modeline-update)
3229   (interactive)
3230   (wl-summary-mark-as-read-internal nil
3231                                     number-or-numbers
3232                                     no-folder-mark
3233                                     no-modeline-update))
3234
3235 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3236                                             no-folder-mark
3237                                             no-modeline-update)
3238   (interactive)
3239   (wl-summary-mark-as-read-internal 'inverse
3240                                     number-or-numbers
3241                                     no-folder-mark
3242                                     no-modeline-update))
3243
3244 (defsubst wl-summary-set-persistent-mark-internal (inverse
3245                                                    flag
3246                                                    &optional number-or-numbers
3247                                                    no-modeline-update
3248                                                    no-server
3249                                                    interactive)
3250   "Set persistent mark."
3251   (save-excursion
3252     (let ((folder wl-summary-buffer-elmo-folder)
3253           number number-list)
3254       (setq number-list (cond ((numberp number-or-numbers)
3255                                (list number-or-numbers))
3256                               ((and (not (null number-or-numbers))
3257                                     (listp number-or-numbers))
3258                                number-or-numbers)
3259                               ((setq number (wl-summary-message-number))
3260                                ;; interactive
3261                                (list number))))
3262       (if (null number-list)
3263           (message "No message.")
3264         ;; XXX Only the first element of the list is checked.
3265         (if (elmo-message-flag-available-p folder (car number-list) flag)
3266             (progn
3267               (if inverse
3268                   (elmo-folder-unset-flag folder number-list flag no-server)
3269                 (elmo-folder-set-flag folder number-list flag no-server))
3270               (unless no-modeline-update
3271                 ;; Update unread numbers.
3272                 ;; should elmo-flag-mark-as-read return unread numbers?
3273                 (wl-summary-count-unread)
3274                 (wl-summary-update-modeline)
3275                 (wl-folder-update-unread
3276                  (wl-summary-buffer-folder-name)
3277                  wl-summary-buffer-unread-count)))
3278           (if interactive
3279               (error "Flag `%s' is not available in this folder" flag)))))))
3280
3281 (defun wl-summary-unset-persistent-mark (&optional flag
3282                                                    number-or-numbers
3283                                                    no-modeline-update
3284                                                    no-server)
3285   "Unset persistent mark."
3286   (interactive)
3287   (when (interactive-p)
3288     (let ((completion-ignore-case t))
3289       (setq flag (intern (downcase
3290                           (completing-read
3291                            "Mark name: "
3292                            (mapcar (lambda (flag)
3293                                      (list (capitalize (symbol-name flag))))
3294                                    (wl-summary-get-available-flags))
3295                            nil
3296                            'require-match))))))
3297   (wl-summary-set-persistent-mark-internal 'inverse
3298                                            flag
3299                                            number-or-numbers
3300                                            no-modeline-update
3301                                            no-server
3302                                            (interactive-p)))
3303
3304 (defun wl-summary-set-persistent-mark (&optional flag
3305                                                  number-or-numbers
3306                                                  no-modeline-update
3307                                                  no-server)
3308   "Set persistent mark."
3309   (interactive)
3310   (when (interactive-p)
3311     (let ((completion-ignore-case t))
3312       (setq flag (intern (downcase
3313                           (completing-read
3314                            "Mark name: "
3315                            (mapcar (lambda (flag)
3316                                      (list (capitalize (symbol-name flag))))
3317                                    (wl-summary-get-available-flags))
3318                            nil
3319                            'require-match))))))
3320   (wl-summary-set-persistent-mark-internal nil
3321                                            flag
3322                                            number-or-numbers
3323                                            no-modeline-update
3324                                            no-server
3325                                            (interactive-p)))
3326
3327 (defun wl-summary-toggle-persistent-mark (&optional force)
3328   "Toggle persistent mark."
3329   (interactive "P")
3330   (let ((completion-ignore-case t)
3331         flag)
3332     (setq flag (intern (downcase
3333                         (completing-read
3334                          "Mark name: "
3335                          (mapcar (lambda (flag)
3336                                    (list (capitalize (symbol-name flag))))
3337                                  (wl-summary-get-available-flags))
3338                          nil
3339                          'require-match))))
3340     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3341                                      (wl-summary-message-number)
3342                                      flag)
3343              (not force))
3344         (wl-summary-unset-persistent-mark flag)
3345       (wl-summary-set-persistent-mark flag))))
3346
3347 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3348                                               no-modeline-update)
3349   (interactive)
3350   (wl-summary-set-persistent-mark-internal
3351    (and (interactive-p)
3352         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3353                                 (wl-summary-message-number)
3354                                 'answered))
3355    'answered
3356    number-or-numbers
3357    no-modeline-update
3358    nil
3359    (interactive-p)))
3360
3361 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3362                                                 no-modeline-update)
3363   (wl-summary-set-persistent-mark-internal
3364    'inverse
3365    'answered
3366    number-or-numbers
3367    no-modeline-update))
3368
3369 (defun wl-summary-decide-flag (folder number)
3370   (let ((flags (elmo-get-global-flags (elmo-message-flags
3371                                        folder number)))
3372         (completion-ignore-case t)
3373         new-flags)
3374     (setq new-flags
3375           (delq nil
3376                 (mapcar
3377                  (lambda (flag)
3378                    (and (> (length flag) 0)
3379                         (intern (downcase flag))))
3380                  (wl-completing-read-multiple
3381                   "Flags: "
3382                   (mapcar (lambda (flag)
3383                             (list (capitalize (symbol-name flag))))
3384                           elmo-global-flags)
3385                   nil nil (mapconcat (lambda (flag)
3386                                        (capitalize (symbol-name flag)))
3387                                      flags
3388                                      ",")))))
3389     (dolist (flag new-flags)
3390       (unless (memq flag elmo-global-flags)
3391         (when (elmo-local-flag-p flag)
3392           (error "Cannot treat `%s'." flag))
3393         (unless (elmo-flag-valid-p flag)
3394           (error "Invalid char in `%s'" flag))
3395         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3396                               (capitalize (symbol-name flag))))
3397             (setq elmo-global-flags (append
3398                                      elmo-global-flags
3399                                      (list flag)))
3400           (error "Stopped"))))
3401     new-flags))
3402
3403 (defsubst wl-summary-set-flags-internal (&optional
3404                                         number-or-numbers
3405                                         flags
3406                                         local
3407                                         remove-all)
3408   (save-excursion
3409     (let ((folder wl-summary-buffer-elmo-folder)
3410           number number-list)
3411       (setq number-list (cond ((numberp number-or-numbers)
3412                                (list number-or-numbers))
3413                               ((and (not (null number-or-numbers))
3414                                     (listp number-or-numbers))
3415                                number-or-numbers)
3416                               ((setq number (wl-summary-message-number))
3417                                ;; interactive
3418                                (list number))))
3419       (if remove-all
3420           (setq flags nil)
3421         (unless flags
3422           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3423       (if (null number-list)
3424           (message "No message.")
3425         (dolist (number number-list)
3426           (elmo-message-set-global-flags folder number flags local)))
3427       flags)))
3428
3429 (defun wl-summary-set-flags (&optional remove)
3430   (interactive "P")
3431   (wl-summary-set-flags-internal nil nil nil remove))
3432
3433 (defun wl-summary-mark-as-important (&optional prompt)
3434   (interactive "P")
3435   (if prompt
3436       (wl-summary-set-flags-internal)
3437     (wl-summary-set-persistent-mark-internal
3438      (and (interactive-p)
3439           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3440                                   (wl-summary-message-number)
3441                                   'important))
3442      'important
3443      nil nil nil (interactive-p))))
3444
3445 (defun wl-summary-recover-message (number)
3446   "Recover current message if it is killed."
3447   (interactive (list (wl-summary-message-number)))
3448   (if (null number)
3449       (message "No message.")
3450     (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
3451                                   (list number))))
3452
3453 ;;; Summary line.
3454 (defvar wl-summary-line-formatter nil)
3455
3456 (defun wl-summary-view-old-p ()
3457   "Return non-nil when summary view cache has old format."
3458   (save-excursion
3459     (goto-char (point-min))
3460     (and wl-summary-buffer-number-list
3461          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3462
3463 (defun wl-summary-line-format-changed-p ()
3464   "Return non-nil when summary line format is changed."
3465   (not (string=
3466         wl-summary-buffer-line-format
3467         (or (elmo-object-load (expand-file-name
3468                                wl-summary-line-format-file
3469                                (elmo-folder-msgdb-path
3470                                 wl-summary-buffer-elmo-folder))
3471                               wl-summary-buffer-mime-charset)
3472             wl-summary-buffer-line-format))))
3473
3474 (defun wl-summary-line-format-save ()
3475   "Save current summary line format."
3476   (elmo-object-save
3477    (expand-file-name wl-summary-line-format-file
3478                      (elmo-folder-msgdb-path
3479                       wl-summary-buffer-elmo-folder))
3480    wl-summary-buffer-line-format
3481    wl-summary-buffer-mime-charset))
3482
3483 (defun wl-summary-line-number ()
3484   (wl-set-string-width
3485    (- wl-summary-buffer-number-column)
3486    (number-to-string
3487     (elmo-message-entity-number wl-message-entity))))
3488
3489 (defun wl-summary-line-year ()
3490   (aref wl-datevec 0))
3491 (defun wl-summary-line-month ()
3492   (format "%02d" (aref wl-datevec 1)))
3493 (defun wl-summary-line-day ()
3494   (format "%02d" (aref wl-datevec 2)))
3495 (defun wl-summary-line-day-of-week ()
3496   (condition-case nil
3497       (elmo-date-get-week (aref wl-datevec 0)
3498                           (aref wl-datevec 1)
3499                           (aref wl-datevec 2))
3500     (error "??")))
3501 (defun wl-summary-line-hour ()
3502   (format "%02d" (aref wl-datevec 3)))
3503 (defun wl-summary-line-minute ()
3504   (format "%02d" (aref wl-datevec 4)))
3505
3506 (defun wl-summary-line-size ()
3507   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3508     (if size
3509         (cond
3510          ((<= 1 (/ size 1048576))
3511           (format "%.0fM" (/ size 1048576.0)))
3512          ((<= 1 (/ size 1024))
3513           (format "%.0fK" (/ size 1024.0)))
3514          (t (format "%dB" size)))
3515       "")))
3516
3517 (defun wl-summary-line-subject ()
3518   (let (no-parent subject parent-raw-subject parent-subject)
3519     (if (string= wl-thr-indent-string "")
3520         (setq no-parent t)) ; no parent
3521     (setq subject
3522           (elmo-delete-char ?\n
3523                             (or (elmo-message-entity-field
3524                                  wl-message-entity
3525                                  'subject)
3526                                 wl-summary-no-subject-message)))
3527     (setq parent-raw-subject
3528           (elmo-message-entity-field wl-parent-message-entity 'subject))
3529     (setq parent-subject
3530           (if parent-raw-subject
3531               (elmo-delete-char ?\n parent-raw-subject)))
3532     (if (or no-parent
3533             (null parent-subject)
3534             (not (wl-summary-subject-equal subject parent-subject)))
3535         (funcall wl-summary-subject-function subject)
3536       "")))
3537
3538 (defun wl-summary-line-from ()
3539   (elmo-delete-char ?\n
3540                     (funcall wl-summary-from-function
3541                              (elmo-message-entity-field
3542                               wl-message-entity
3543                               'from))))
3544
3545 (defun wl-summary-line-list-info ()
3546   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3547     (if (car list-info)
3548         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3549                 (car list-info) (cdr list-info))
3550       "")))
3551
3552 (defun wl-summary-line-list-count ()
3553   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3554     (if ml-count
3555         (format "%.0f" ml-count)
3556       "")))
3557
3558 (defun wl-summary-line-attached ()
3559   (let ((content-type (elmo-message-entity-field
3560                        wl-message-entity 'content-type))
3561         (case-fold-search t))
3562     (if (and content-type
3563              (string-match "multipart/mixed" content-type))
3564         "@"
3565       "")))
3566
3567 ;;; For future use.
3568 ;;(defun wl-summary-line-cached ()
3569 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3570 ;;                           (elmo-message-entity-number wl-message-entity))
3571 ;;      " "
3572 ;;    "u"))
3573
3574 (defun wl-summary-create-line (wl-message-entity
3575                                wl-parent-message-entity
3576                                wl-temp-mark
3577                                wl-status
3578                                &optional
3579                                wl-thr-children-number
3580                                wl-thr-indent-string
3581                                wl-thr-linked)
3582   "Create a summary line."
3583   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3584         (wl-persistent-mark (wl-summary-persistent-mark-string
3585                              wl-summary-buffer-elmo-folder
3586                              wl-status))
3587         (elmo-mime-charset wl-summary-buffer-mime-charset)
3588         (elmo-lang wl-summary-buffer-weekday-name-lang)
3589         (wl-datevec (or (elmo-time-to-datevec
3590                          (elmo-message-entity-field wl-message-entity 'date)
3591                          wl-summary-fix-timezone)
3592                         (make-vector 7 0)))
3593         (entity wl-message-entity) ; backward compatibility.
3594         line mark)
3595     (if (and wl-thr-indent-string
3596              wl-summary-indent-length-limit
3597              (< wl-summary-indent-length-limit
3598                 (string-width wl-thr-indent-string)))
3599         (setq wl-thr-indent-string (wl-set-string-width
3600                                     wl-summary-indent-length-limit
3601                                     wl-thr-indent-string)))
3602     (setq line (funcall wl-summary-buffer-line-formatter))
3603     (if wl-summary-width (setq line
3604                                (wl-set-string-width
3605                                 (- wl-summary-width 1) line nil
3606                                 'ignore-invalid)))
3607     (setq line (concat line
3608                        "\r"
3609                        (number-to-string
3610                         (elmo-message-entity-number
3611                          wl-message-entity))))
3612     (wl-summary-validate-persistent-mark-string line)
3613     (if wl-summary-highlight
3614         (wl-highlight-summary-line-string
3615          (elmo-message-entity-number wl-message-entity)
3616          line
3617          wl-status
3618          wl-temp-mark
3619          wl-thr-indent-string))
3620     line))
3621
3622 (defsubst wl-summary-proc-wday (wday-str year month mday)
3623   (save-match-data
3624     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3625         (wl-match-string 1 wday-str)
3626       (elmo-date-get-week year month mday))))
3627
3628 (defvar wl-summary-move-spec-alist
3629   '((new . ((t . nil)
3630             (p . new)
3631             (p . unread)
3632             (p . digest)))
3633     (unread . ((t . nil)
3634                (p . unread)
3635                (p . digest)))))
3636
3637 (defsubst wl-summary-next-message (num direction hereto)
3638   (if wl-summary-buffer-next-message-function
3639       (funcall wl-summary-buffer-next-message-function num direction hereto)
3640     (let ((cur-spec (cdr (assq wl-summary-move-order
3641                                wl-summary-move-spec-alist)))
3642           (nums (memq num (if (eq direction 'up)
3643                               (reverse wl-summary-buffer-number-list)
3644                             wl-summary-buffer-number-list)))
3645           flagged-list nums2)
3646       (unless hereto (setq nums (cdr nums)))
3647       (setq nums2 nums)
3648       (if cur-spec
3649           (catch 'done
3650             (while cur-spec
3651               (setq nums nums2)
3652               (cond ((eq (car (car cur-spec)) 'p)
3653                      (if (setq flagged-list
3654                                (elmo-folder-list-flagged
3655                                 wl-summary-buffer-elmo-folder
3656                                 (cdr (car cur-spec)) t))
3657                          (while nums
3658                            (if (and (memq (car nums) flagged-list)
3659                                     (elmo-message-accessible-p
3660                                      wl-summary-buffer-elmo-folder
3661                                      (car nums)))
3662                                (throw 'done (car nums)))
3663                            (setq nums (cdr nums)))))
3664                     ((eq (car (car cur-spec)) 't)
3665                      (if wl-summary-buffer-target-mark-list
3666                          (while nums
3667                            (if (memq (car nums)
3668                                      wl-summary-buffer-target-mark-list)
3669                                (throw 'done (car nums)))
3670                            (setq nums (cdr nums))))))
3671               (setq cur-spec (cdr cur-spec))))
3672         (car nums)))))
3673
3674 (defsubst wl-summary-cursor-move (direction hereto)
3675   (when (and (eq direction 'up)
3676              (eobp))
3677     (forward-line -1)
3678     (setq hereto t))
3679   (let (num)
3680     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3681                                              direction hereto))
3682       (if (numberp num)
3683           (wl-thread-jump-to-msg num))
3684       t)))
3685 ;;
3686 ;; Goto unread or global flag message
3687 ;; returns t if next message exists in this folder.
3688 (defun wl-summary-cursor-down (&optional hereto)
3689   (interactive "P")
3690   (wl-summary-cursor-move 'down hereto))
3691
3692 (defun wl-summary-cursor-up (&optional hereto)
3693   (interactive "P")
3694   (wl-summary-cursor-move 'up hereto))
3695
3696 (defun wl-summary-save-view-cache ()
3697   (save-excursion
3698     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3699            (cache (expand-file-name wl-summary-cache-file dir))
3700            (view (expand-file-name wl-summary-view-file dir))
3701            (save-view wl-summary-buffer-view)
3702            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3703            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3704            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3705            (temp-column wl-summary-buffer-temp-mark-column)
3706            (charset wl-summary-buffer-mime-charset))
3707       (when dir
3708         (if (file-directory-p dir)
3709             (); ok.
3710           (if (file-exists-p dir)
3711               (error "File %s already exists" dir)
3712             (elmo-make-directory dir)))
3713         (if (eq save-view 'thread)
3714             (wl-thread-save-entity dir))
3715         (when wl-summary-check-line-format
3716           (wl-summary-line-format-save))
3717         (unwind-protect
3718             (progn
3719               (when (file-writable-p cache)
3720                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3721                 (with-current-buffer tmp-buffer
3722                   (widen)
3723                   (make-local-variable 'wl-summary-highlight)
3724                   (setq wl-summary-highlight nil
3725                         wl-summary-buffer-target-mark-list mark-list
3726                         wl-summary-buffer-temp-mark-list temp-list
3727                         wl-summary-buffer-temp-mark-column temp-column)
3728                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3729                   (encode-coding-region
3730                    (point-min) (point-max)
3731                    (or (and wl-on-mule
3732                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3733                             (mime-charset-to-coding-system charset 'LF))
3734                        ;; Mule 2 doesn't have `*ctext*unix'.
3735                        (mime-charset-to-coding-system charset)))
3736                   (write-region-as-binary (point-min)(point-max)
3737                                           cache nil 'no-msg)))
3738               (when (file-writable-p view) ; 'thread or 'sequence
3739                 (with-temp-buffer
3740                   (prin1 save-view (current-buffer))
3741                   (princ "\n" (current-buffer))
3742                   (write-region (point-min) (point-max) view nil 'no-msg))))
3743           ;; kill tmp buffer.
3744           (kill-buffer tmp-buffer))))))
3745
3746 (defsubst wl-summary-get-sync-range (folder)
3747   (intern (or (and
3748                (elmo-folder-plugged-p folder)
3749                (wl-get-assoc-list-value
3750                 wl-folder-sync-range-alist
3751                 (elmo-folder-name-internal folder)
3752                 'function))
3753               wl-default-sync-range)))
3754
3755 ;; redefined for wl-summary-sync-update
3756 (defun wl-summary-input-range (folder)
3757   "returns update or all or rescan."
3758   ;; for the case when parts are expanded in the bottom of the folder
3759   (let ((input-range-list '("no-sync"
3760                             "first:"
3761                             "last:"
3762                             "cache-status"
3763                             "mark"
3764                             "rescan"
3765                             "rescan-noscore"
3766                             "rescan-thread"
3767                             "update"
3768                             "update-entirely"
3769                             "all"
3770                             "all-entirely"))
3771         (default (or (wl-get-assoc-list-value
3772                       wl-folder-sync-range-alist
3773                       folder
3774                       'function)
3775                      wl-default-sync-range))
3776         range)
3777     (setq range
3778           (completing-read (format "Range (%s): " default)
3779                            (mapcar
3780                             (function (lambda (x) (cons x x)))
3781                             input-range-list)))
3782     (if (string= range "")
3783         default
3784       range)))
3785
3786 (defun wl-summary-toggle-disp-folder (&optional arg)
3787   (interactive)
3788   (let ((cur-buf (current-buffer))
3789         (summary-win (get-buffer-window (current-buffer)))
3790         fld-buf fld-win)
3791     (cond
3792      ((eq arg 'on)
3793       (setq wl-summary-buffer-disp-folder t)
3794       ;; hide your folder window
3795       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3796           (if (setq fld-win (get-buffer-window fld-buf))
3797               (delete-window fld-win))))
3798      ((eq arg 'off)
3799       (setq wl-summary-buffer-disp-folder nil)
3800       ;; hide your wl-message window!
3801       (when (buffer-live-p wl-message-buffer)
3802         (wl-message-select-buffer wl-message-buffer)
3803         (delete-window))
3804       (select-window (get-buffer-window cur-buf))
3805       ;; display wl-folder window!!
3806       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3807           (if (setq fld-win (get-buffer-window fld-buf))
3808               ;; folder win is already displayed.
3809               (select-window fld-win)
3810             ;; folder win is not displayed.
3811             (switch-to-buffer fld-buf))
3812         ;; no folder buf
3813         (wl-folder))
3814       ;; temporarily delete summary-win.
3815       (if summary-win
3816           (delete-window summary-win))
3817       (split-window-horizontally wl-folder-window-width)
3818       (other-window 1)
3819       (switch-to-buffer cur-buf))
3820      (t
3821       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3822           (if (setq fld-win (get-buffer-window fld-buf))
3823               (setq wl-summary-buffer-disp-folder nil)
3824             (setq wl-summary-buffer-disp-folder t)))
3825       (if (not wl-summary-buffer-disp-folder)
3826           ;; hide message window
3827           (let ((mes-win (and wl-message-buffer
3828                               (get-buffer-window wl-message-buffer)))
3829                 (wl-stay-folder-window t))
3830             (if mes-win (delete-window mes-win))
3831             ;; hide your folder window
3832             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3833                 (if (setq fld-win (get-buffer-window fld-buf))
3834                     (progn
3835                       (delete-window (get-buffer-window cur-buf))
3836                       (select-window fld-win)
3837                       (switch-to-buffer cur-buf))))
3838             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3839             ;; resume message window.
3840             (when mes-win
3841               (wl-message-select-buffer wl-message-buffer)
3842               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3843               (select-window (get-buffer-window cur-buf))))
3844         ;; hide message window
3845         (let ((wl-stay-folder-window t)
3846               (mes-win (and wl-message-buffer
3847                             (get-buffer-window wl-message-buffer))))
3848           (if mes-win (delete-window mes-win))
3849           (select-window (get-buffer-window cur-buf))
3850           ;; display wl-folder window!!
3851           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3852               (if (setq fld-win (get-buffer-window fld-buf))
3853                   ;; folder win is already displayed.
3854                   (select-window fld-win)
3855                 ;; folder win is not displayed...occupy all.
3856                 (switch-to-buffer fld-buf))
3857             ;; no folder buf
3858             (wl-folder))
3859           (split-window-horizontally wl-folder-window-width)
3860           (other-window 1)
3861           (switch-to-buffer cur-buf)
3862           ;; resume message window.
3863           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3864           (when mes-win
3865             (wl-message-select-buffer wl-message-buffer)
3866             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3867             (select-window (get-buffer-window cur-buf))))))))
3868   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3869
3870 (defun wl-summary-toggle-disp-msg (&optional arg)
3871   (interactive)
3872   (let ((cur-buf (current-buffer))
3873         fld-buf fld-win
3874         summary-win)
3875     (cond
3876      ((eq arg 'on)
3877       (setq wl-summary-buffer-disp-msg t)
3878       (save-excursion
3879         ;; hide your folder window
3880         (if (and (not wl-stay-folder-window)
3881                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3882             (if (setq fld-win (get-buffer-window fld-buf))
3883                 (unless (one-window-p fld-win)
3884                   (delete-window fld-win))))))
3885      ((eq arg 'off)
3886       (wl-delete-all-overlays)
3887       (setq wl-summary-buffer-disp-msg nil)
3888       (save-excursion
3889         (when (buffer-live-p wl-message-buffer)
3890           (wl-message-select-buffer wl-message-buffer)
3891           (delete-window)
3892           (and (get-buffer-window cur-buf)
3893                (select-window (get-buffer-window cur-buf))))
3894         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3895      (t
3896       (if (and wl-message-buffer
3897                (get-buffer-window wl-message-buffer)) ; already displayed
3898           (setq wl-summary-buffer-disp-msg nil)
3899         (setq wl-summary-buffer-disp-msg t))
3900       (if wl-summary-buffer-disp-msg
3901           (progn
3902             (wl-summary-redisplay)
3903 ;;; hide your folder window
3904 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3905 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3906 ;;;             (delete-window fld-win)))
3907             (run-hooks 'wl-summary-toggle-disp-on-hook))
3908         (wl-delete-all-overlays)
3909         (save-excursion
3910           (wl-message-select-buffer wl-message-buffer)
3911           (delete-window)
3912           (select-window (get-buffer-window cur-buf))
3913           (setq wl-message-buffer nil)
3914           (run-hooks 'wl-summary-toggle-disp-off-hook))
3915 ;;;     (switch-to-buffer cur-buf)
3916         )))
3917     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3918
3919 (defun wl-summary-enter-handler (&optional arg)
3920   "A command for `enter' key in the summary.
3921 Basically, it shows next line of the message.
3922 If optional argument ARG is specified, behave as followed.
3923 If ARG is number, jump to the message.
3924 Otherwise it shows previous line of the message."
3925   (interactive "P")
3926   (cond ((numberp arg)
3927          (unless (wl-thread-jump-to-msg arg)
3928            (message "Message (#%d) was not found." arg)))
3929         (arg
3930          (wl-summary-prev-line-content))
3931         (t
3932          (wl-summary-next-line-content))))
3933
3934 (defun wl-summary-next-line-content ()
3935   "Show next line of the message."
3936   (interactive)
3937   (let ((cur-buf (current-buffer)))
3938     (wl-summary-toggle-disp-msg 'on)
3939     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3940       (set-buffer cur-buf)
3941       (wl-message-next-page 1))))
3942
3943 (defun wl-summary-prev-line-content ()
3944   (interactive)
3945   (let ((cur-buf (current-buffer)))
3946     (wl-summary-toggle-disp-msg 'on)
3947     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3948       (set-buffer cur-buf)
3949       (wl-message-prev-page 1))))
3950
3951 (defun wl-summary-next-page ()
3952   (interactive)
3953   (let ((cur-buf (current-buffer)))
3954     (wl-summary-toggle-disp-msg 'on)
3955     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3956       (set-buffer cur-buf)
3957       (wl-message-next-page))))
3958
3959 (defun wl-summary-prev-page ()
3960   (interactive)
3961   (let ((cur-buf (current-buffer)))
3962     (wl-summary-toggle-disp-msg 'on)
3963     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3964       (set-buffer cur-buf)
3965       (wl-message-prev-page))))
3966
3967 (defsubst wl-summary-no-mime-p (folder)
3968   (wl-string-match-member (elmo-folder-name-internal folder)
3969                           wl-summary-no-mime-folder-list))
3970
3971 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3972   "Set message buffer.
3973 If message is not displayed yet, display it.
3974 Return t if message exists."
3975   (let ((folder wl-summary-buffer-elmo-folder)
3976         (number (wl-summary-message-number))
3977         cur-folder cur-number message-last-pos)
3978     (when (buffer-live-p wl-message-buffer)
3979       (save-window-excursion
3980         (setq wl-current-summary-buffer (current-buffer))
3981         (wl-message-select-buffer wl-message-buffer)
3982         (setq cur-folder wl-message-buffer-cur-folder)
3983         (setq cur-number wl-message-buffer-cur-number)))
3984     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3985              (eq number (or cur-number 0)))
3986         (progn
3987           (set-buffer wl-message-buffer)
3988           t)
3989       (wl-summary-redisplay-internal folder number)
3990       (when (buffer-live-p wl-message-buffer)
3991         (set-buffer wl-message-buffer))
3992       nil)))
3993
3994 (defun wl-summary-target-mark-forward (&optional arg)
3995   (interactive "P")
3996   (wl-summary-check-target-mark)
3997   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3998         (summary-buf (current-buffer))
3999         (wl-draft-forward t)
4000         start-point
4001         draft-buf)
4002     (wl-summary-jump-to-msg (car mlist))
4003     (wl-summary-forward t)
4004     (setq start-point (point))
4005     (setq draft-buf (current-buffer))
4006     (setq mlist (cdr mlist))
4007     (save-window-excursion
4008       (when mlist
4009         (while mlist
4010           (set-buffer summary-buf)
4011           (wl-summary-jump-to-msg (car mlist))
4012           (wl-summary-redisplay)
4013           (set-buffer draft-buf)
4014           (goto-char (point-max))
4015           (wl-draft-insert-message)
4016           (setq mlist (cdr mlist)))
4017         (wl-draft-body-goto-top)
4018         (wl-draft-enclose-digest-region (point) (point-max)))
4019       (goto-char start-point)
4020       (save-excursion
4021         (set-buffer summary-buf)
4022         (wl-summary-delete-all-target-marks)))
4023     (run-hooks 'wl-mail-setup-hook)))
4024
4025 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
4026   (interactive "P")
4027   (wl-summary-check-target-mark)
4028   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
4029         (summary-buf (current-buffer))
4030         change-major-mode-hook
4031         start-point
4032         draft-buf)
4033     (wl-summary-jump-to-msg (car mlist))
4034     (when (wl-summary-reply arg t)
4035       (goto-char (point-max))
4036       (setq start-point (point-marker))
4037       (setq draft-buf (current-buffer))
4038       (save-window-excursion
4039         (while mlist
4040           (set-buffer summary-buf)
4041           (delete-other-windows)
4042           (wl-summary-jump-to-msg (car mlist))
4043           (wl-summary-redisplay)
4044           (set-buffer draft-buf)
4045           (goto-char (point-max))
4046           (wl-draft-yank-original)
4047           (setq mlist (cdr mlist)))
4048         (goto-char start-point)
4049         (save-excursion
4050           (set-buffer summary-buf)
4051           (wl-summary-delete-all-target-marks)))
4052       (wl-draft-reply-position wl-draft-reply-default-position)
4053       (run-hooks 'wl-mail-setup-hook))))
4054
4055 (defun wl-summary-reply-with-citation (&optional arg)
4056   (interactive "P")
4057   (when (wl-summary-reply arg t)
4058     (goto-char (point-max))
4059     (wl-draft-yank-original)
4060     (wl-draft-reply-position wl-draft-reply-default-position)
4061     (run-hooks 'wl-mail-setup-hook)))
4062
4063 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4064   (interactive)
4065   (let* ((original (wl-summary-message-number))
4066          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4067          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
4068          msg otherfld schar
4069          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
4070     (if (setq msg (elmo-message-entity-number entity))
4071         (progn
4072           (wl-thread-jump-to-msg msg)
4073           t)
4074       ;; for XEmacs!
4075       (if (and elmo-use-database
4076                (setq errmsg
4077                      (format
4078                       "No message with id \"%s\" in the database." msgid))
4079                (setq otherfld (elmo-database-msgid-get msgid)))
4080           (if (cdr (wl-summary-jump-to-msg-internal
4081                     (car otherfld) (nth 1 otherfld) 'no-sync))
4082               t ; succeed.
4083             ;; Back to original.
4084             (wl-summary-jump-to-msg-internal
4085              (wl-summary-buffer-folder-name) original 'no-sync))
4086         (cond ((eq wl-summary-search-via-nntp 'confirm)
4087                (require 'elmo-nntp)
4088                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
4089                         elmo-nntp-default-server)
4090                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
4091                (cond ((eq schar ?y)
4092                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4093                      ((eq schar ?s)
4094                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4095                        msgid
4096                        (read-from-minibuffer "NNTP Server: ")))
4097                      (t
4098                       (message "%s" errmsg)
4099                       nil)))
4100               ((or (eq wl-summary-search-via-nntp 'force)
4101                    (and
4102                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4103                         'nntp)
4104                     wl-summary-search-via-nntp))
4105                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4106               (t
4107                (message "%s" errmsg)
4108                nil))))))
4109
4110 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4111   (interactive)
4112   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4113          newsgroups folder ret
4114          user server port type spec)
4115     (if server-spec
4116         (if (string-match "^-" server-spec)
4117             (setq spec (wl-folder-get-elmo-folder server-spec)
4118                   user (elmo-net-folder-user-internal spec)
4119                   server (elmo-net-folder-server-internal spec)
4120                   port (elmo-net-folder-port-internal spec)
4121                   type (elmo-net-folder-stream-type-internal spec))
4122           (setq server server-spec)))
4123     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4124                      msgid
4125                      (or server elmo-nntp-default-server)
4126                      (or user elmo-nntp-default-user)
4127                      (or port elmo-nntp-default-port)
4128                      (or type elmo-nntp-default-stream-type)))
4129       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4130       (setq folder (concat "-" (car newsgroups)
4131                            (elmo-nntp-folder-postfix user server port type)))
4132       (catch 'found
4133         (while newsgroups
4134           (if (wl-folder-entity-exists-p (car newsgroups)
4135                                          wl-folder-newsgroups-hashtb)
4136               (throw 'found
4137                      (setq folder (concat "-" (car newsgroups)
4138                                           (elmo-nntp-folder-postfix
4139                                            user server port type)))))
4140           (setq newsgroups (cdr newsgroups)))))
4141     (if ret
4142         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4143       (message "No message id \"%s\" in nntp server \"%s\"."
4144                msgid (or server elmo-nntp-default-server))
4145       nil)))
4146
4147 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4148   (let (wl-auto-select-first entity)
4149     (if (or (string= folder (wl-summary-buffer-folder-name))
4150             (y-or-n-p
4151              (format
4152               "Message was found in the folder \"%s\". Jump to it? "
4153               folder)))
4154         (progn
4155           (unwind-protect
4156               (wl-summary-goto-folder-subr
4157                folder scan-type nil nil t)
4158             (if msgid
4159                 (setq msg
4160                       (elmo-message-entity-number
4161                        (elmo-message-entity
4162                         wl-summary-buffer-elmo-folder
4163                         msgid))))
4164             (setq entity (wl-folder-search-entity-by-name folder
4165                                                           wl-folder-entity
4166                                                           'folder))
4167             (if entity
4168                 (wl-folder-set-current-entity-id
4169                  (wl-folder-get-entity-id entity))))
4170           (if (null msg)
4171               (message "Message was not found currently in this folder.")
4172             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4173           (cons folder msg)))))
4174
4175 (defun wl-summary-jump-to-parent-message (arg)
4176   (interactive "P")
4177   (let ((cur-buf (current-buffer))
4178         (disp-msg wl-summary-buffer-disp-msg)
4179         (number (wl-summary-message-number))
4180         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4181         (i -1) ;; xxx
4182         msg-id msg-num ref-list ref irt)
4183     (if (null number)
4184         (message "No message.")
4185       (when (eq wl-summary-buffer-view 'thread)
4186         (cond ((and arg (not (numberp arg)))
4187                (setq msg-num
4188                      (wl-thread-entity-get-number
4189                       (wl-thread-entity-get-top-entity
4190                        (wl-thread-get-entity number)))))
4191               ((and arg (numberp arg))
4192                (setq i 0)
4193                (setq msg-num number)
4194                (while (< i arg)
4195                  (setq msg-num
4196                        (wl-thread-entity-get-number
4197                         (wl-thread-entity-get-parent-entity
4198                          (wl-thread-get-entity msg-num))))
4199                  (setq i (1+ i))))
4200               (t (setq msg-num
4201                        (wl-thread-entity-get-number
4202                         (wl-thread-entity-get-parent-entity
4203                          (wl-thread-get-entity number)))))))
4204       (when (null msg-num)
4205         (wl-summary-set-message-buffer-or-redisplay)
4206         (set-buffer (wl-message-get-original-buffer))
4207         (message "Searching parent message...")
4208         (setq ref (std11-field-body "References")
4209               irt (std11-field-body "In-Reply-To"))
4210         (cond
4211          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4212                (string-match regexp ref))
4213           ;; The first message of the thread.
4214           (setq msg-id (wl-match-string 1 ref)))
4215          ;; "In-Reply-To:" has only one msg-id.
4216          ((and (null arg) irt (not (string= irt ""))
4217                (string-match regexp irt))
4218           (setq msg-id (wl-match-string 1 irt)))
4219          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4220                (string-match regexp ref))
4221           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4222           (while (string-match regexp ref)
4223             (setq ref-list
4224                   (append (list
4225                            (wl-match-string 1 ref))
4226                           ref-list))
4227             (setq ref (substring ref (match-end 0)))
4228             (setq i (1+ i)))
4229           (setq msg-id
4230                 (if (null arg) (nth 0 ref-list) ;; previous
4231                   (if (<= arg i) (nth (1- arg) ref-list)
4232                     (nth i ref-list))))))
4233         (set-buffer cur-buf)
4234         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4235       (cond ((and (null msg-id) (null msg-num))
4236              (message "No parent message!")
4237              nil)
4238             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4239              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4240              (message "Searching parent message...done")
4241              t)
4242             ((and msg-num (wl-summary-jump-to-msg msg-num))
4243              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4244              (message "Searching parent message...done")
4245              t)
4246             (t ; failed.
4247              (message "Parent message was not found.")
4248              nil)))))
4249
4250 (defun wl-summary-reply (&optional arg without-setup-hook)
4251   "Reply to current message. Default is \"wide\" reply.
4252 Reply to author if invoked with ARG."
4253   (interactive "P")
4254   (let ((folder wl-summary-buffer-elmo-folder)
4255         (number (wl-summary-message-number))
4256         (summary-buf (current-buffer))
4257         (winconf (current-window-configuration))
4258         mes-buf)
4259     (when number
4260       (save-excursion
4261         (wl-summary-set-message-buffer-or-redisplay))
4262       (wl-message-select-buffer wl-message-buffer)
4263       (condition-case err
4264           (when (setq mes-buf (wl-message-get-original-buffer))
4265             (wl-draft-reply mes-buf arg summary-buf number)
4266             (wl-draft-reply-position wl-draft-reply-default-position)
4267             (unless without-setup-hook
4268               (run-hooks 'wl-mail-setup-hook)))
4269         (error (set-window-configuration winconf)
4270                (signal (car err)(cdr err))))
4271       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4272       t)))
4273
4274 (defun wl-summary-write (folder)
4275   "Write a new draft from Summary."
4276   (interactive (list (wl-summary-buffer-folder-name)))
4277   (wl-draft (list (cons 'To "")) nil nil nil nil folder)
4278   (run-hooks 'wl-mail-setup-hook)
4279   (mail-position-on-field "To"))
4280
4281 (defvar wl-summary-write-current-folder-functions
4282   '(wl-folder-get-newsgroups
4283     wl-folder-guess-mailing-list-by-refile-rule
4284     wl-folder-guess-mailing-list-by-folder-name)
4285   "Newsgroups or Mailing List address guess functions list.
4286 Call from `wl-summary-write-current-folder'.
4287 When guess function return nil, challenge next guess-function.")
4288
4289 (defun wl-summary-write-current-folder (folder)
4290   "Write message to current FOLDER's newsgroup or mailing-list.
4291 Use function list is `wl-summary-write-current-folder-functions'."
4292   (interactive (list (wl-summary-buffer-folder-name)))
4293   (let ((func-list wl-summary-write-current-folder-functions)
4294         guess-list guess-func)
4295     (while func-list
4296       (setq guess-list (funcall (car func-list) folder))
4297       (if (null guess-list)
4298           (setq func-list (cdr func-list))
4299         (setq guess-func (car func-list))
4300         (setq func-list nil)))
4301     (if (null guess-func)
4302         (wl-summary-write folder)
4303       (unless (or (stringp (nth 0 guess-list))
4304                   (stringp (nth 1 guess-list))
4305                   (stringp (nth 2 guess-list)))
4306         (error "Invalid value return guess function `%s'"
4307                (symbol-name guess-func)))
4308       (wl-draft (list (cons 'To (nth 0 guess-list))
4309                       (cons 'Cc (nth 1 guess-list))
4310                       (cons 'Newsgroups (nth 2 guess-list)))
4311                 nil nil nil nil folder)
4312       (run-hooks 'wl-mail-setup-hook)
4313       (mail-position-on-field "Subject"))))
4314
4315 (defun wl-summary-forward (&optional without-setup-hook)
4316   ""
4317   (interactive)
4318   (let ((folder wl-summary-buffer-elmo-folder)
4319         (number (wl-summary-message-number))
4320         (summary-buf (current-buffer))
4321         (wl-draft-forward t)
4322         entity subject num)
4323     (if (null number)
4324         (message "No message.")
4325       (if (and (elmo-message-use-cache-p folder number)
4326                (eq (elmo-file-cache-status
4327                     (elmo-file-cache-get
4328                      (elmo-message-field folder number 'message-id)))
4329                    'section))
4330           ;; Reload.
4331           (wl-summary-redisplay-internal nil nil 'force-reload)
4332         (wl-summary-redisplay-internal folder number))
4333       (wl-message-select-buffer wl-message-buffer)
4334       (setq subject (with-current-buffer
4335                         wl-message-buffer-original-buffer
4336                       (std11-field-body "Subject")))
4337       (wl-draft-forward subject summary-buf number)
4338       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4339       (unless without-setup-hook
4340         (run-hooks 'wl-mail-setup-hook)))))
4341
4342 (defun wl-summary-click (e)
4343   (interactive "e")
4344   (mouse-set-point e)
4345   (wl-summary-read))
4346
4347 (defun wl-summary-read ()
4348   "Proceed reading message in the summary buffer."
4349   (interactive)
4350   (let ((cur-buf (current-buffer)))
4351     (wl-summary-toggle-disp-msg 'on)
4352     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4353       (set-buffer cur-buf)
4354       (if (wl-message-next-page)
4355           (wl-summary-down t)))))
4356
4357 (defsubst wl-summary-cursor-move-surface (downward interactive)
4358   (if wl-summary-move-direction-toggle
4359       (setq wl-summary-move-direction-downward downward))
4360   (let ((start (point))
4361         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4362         (skip t)
4363         (column (current-column))
4364         goto-next next-entity finfo)
4365     (beginning-of-line)
4366     (while (and skip
4367                 (not (if downward (eobp) (bobp))))
4368       (if downward
4369           (forward-line 1)
4370         (forward-line -1))
4371       (setq skip (or (string-match skip-tmark-regexp
4372                                    (wl-summary-temp-mark))
4373                      (not (and (wl-summary-message-number)
4374                                (elmo-message-accessible-p
4375                                 wl-summary-buffer-elmo-folder
4376                                 (wl-summary-message-number)))))))
4377     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4378     (if (or (eobp) (and (bobp) skip))
4379         (goto-char start))
4380     (move-to-column column)
4381
4382     (if (not goto-next)
4383         (if wl-summary-buffer-disp-msg
4384             (wl-summary-redisplay))
4385       (if interactive
4386           (cond
4387            ((and (not downward) wl-summary-buffer-prev-folder-function)
4388             (funcall wl-summary-buffer-prev-folder-function))
4389            ((and downward wl-summary-buffer-next-folder-function)
4390             (funcall wl-summary-buffer-next-folder-function))
4391            (t
4392             (when wl-auto-select-next
4393               (setq next-entity
4394                     (if downward
4395                         (wl-summary-get-next-folder)
4396                       (wl-summary-get-prev-folder)))
4397               (if next-entity
4398                   (setq finfo (wl-folder-get-entity-info next-entity))))
4399             (wl-ask-folder
4400              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4401              (format
4402               "No more messages. Type SPC to go to %s."
4403               (wl-summary-entity-info-msg next-entity finfo)))))))))
4404
4405 (defun wl-summary-prev (&optional interactive)
4406   (interactive)
4407   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4408
4409 (defun wl-summary-next (&optional interactive)
4410   (interactive)
4411   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4412
4413 (defun wl-summary-up (&optional interactive skip-no-unread)
4414   ""
4415   (interactive)
4416   (if wl-summary-move-direction-toggle
4417       (setq wl-summary-move-direction-downward nil))
4418   (if (wl-summary-cursor-up)
4419       (if wl-summary-buffer-disp-msg
4420           (wl-summary-redisplay))
4421     (if (or interactive
4422             (interactive-p))
4423         (if wl-summary-buffer-prev-folder-function
4424             (funcall wl-summary-buffer-prev-folder-function)
4425           (let (next-entity finfo)
4426             (when wl-auto-select-next
4427               (progn
4428                 (setq next-entity (wl-summary-get-prev-unread-folder))
4429                 (if next-entity
4430                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4431             (if (and skip-no-unread
4432                      (eq wl-auto-select-next 'skip-no-unread))
4433                 (wl-summary-next-folder-or-exit next-entity t)
4434               (wl-ask-folder
4435                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4436                (format
4437                 "No more unread messages. Type SPC to go to %s."
4438                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4439
4440 (defun wl-summary-get-prev-folder ()
4441   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4442         last-entity cur-id)
4443     (when folder-buf
4444       (setq cur-id (save-excursion (set-buffer folder-buf)
4445                                    wl-folder-buffer-cur-entity-id))
4446       (wl-folder-get-prev-folder cur-id))))
4447
4448 (defun wl-summary-get-next-folder ()
4449   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4450         cur-id)
4451     (when folder-buf
4452       (setq cur-id (save-excursion (set-buffer folder-buf)
4453                                    wl-folder-buffer-cur-entity-id))
4454       (wl-folder-get-next-folder cur-id))))
4455
4456 (defun wl-summary-get-next-unread-folder ()
4457   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4458         cur-id)
4459     (when folder-buf
4460       (setq cur-id (save-excursion (set-buffer folder-buf)
4461                                    wl-folder-buffer-cur-entity-id))
4462       (wl-folder-get-next-folder cur-id 'unread))))
4463
4464 (defun wl-summary-get-prev-unread-folder ()
4465   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4466         cur-id)
4467     (when folder-buf
4468       (setq cur-id (save-excursion (set-buffer folder-buf)
4469                                    wl-folder-buffer-cur-entity-id))
4470       (wl-folder-get-prev-folder cur-id 'unread))))
4471
4472 (defun wl-summary-down (&optional interactive skip-no-unread)
4473   (interactive)
4474   (if wl-summary-move-direction-toggle
4475       (setq wl-summary-move-direction-downward t))
4476   (if (wl-summary-cursor-down)
4477       (if wl-summary-buffer-disp-msg
4478           (wl-summary-redisplay))
4479     (if (or interactive
4480             (interactive-p))
4481         (if wl-summary-buffer-next-folder-function
4482             (funcall wl-summary-buffer-next-folder-function)
4483           (let (next-entity finfo)
4484             (when wl-auto-select-next
4485               (setq next-entity (wl-summary-get-next-unread-folder)))
4486             (if next-entity
4487                 (setq finfo (wl-folder-get-entity-info next-entity)))
4488             (if (and skip-no-unread
4489                      (eq wl-auto-select-next 'skip-no-unread))
4490                 (wl-summary-next-folder-or-exit next-entity)
4491               (wl-ask-folder
4492                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4493                (format
4494                 "No more unread messages. Type SPC to go to %s."
4495                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4496
4497 (defun wl-summary-pop-to-last-message ()
4498   "Jump to last displayed message, and pop a new massage off the ring."
4499   (interactive)
4500   (let ((number (wl-summary-pop-message (wl-summary-message-number))))
4501     (unless number
4502       (error "Empty message ring"))
4503     (wl-summary-jump-to-msg number)
4504     (when wl-summary-buffer-disp-msg
4505       (let (wl-summary-buffer-message-ring)
4506         (wl-summary-redisplay)))))
4507
4508 (defun wl-summary-goto-last-displayed-msg (&optional arg)
4509   "Jump to last displayed message."
4510   (interactive "P")
4511   (cond
4512    ((eq last-command 'wl-summary-pop-to-last-message)
4513     (setq this-command 'wl-summary-pop-to-last-message)
4514     (wl-summary-pop-to-last-message))
4515    (arg
4516     (setq this-command 'wl-summary-pop-to-last-message)
4517     (wl-summary-pop-to-last-message))
4518    (t
4519     (let ((current (wl-summary-message-number))
4520           (number (wl-summary-pop-message)))
4521       (if number
4522           (progn
4523             (wl-summary-jump-to-msg number)
4524             (if wl-summary-buffer-disp-msg
4525                 (wl-summary-redisplay)
4526               (wl-summary-push-message current)))
4527         (message "No last message."))))))
4528
4529 (defun wl-summary-message-display-type ()
4530   (when (and wl-summary-buffer-disp-msg
4531              (buffer-live-p wl-message-buffer)
4532              wl-summary-buffer-current-msg
4533              (wl-summary-message-number)
4534              (= (wl-summary-message-number) wl-summary-buffer-current-msg))
4535     (wl-message-buffer-display-type wl-message-buffer)))
4536
4537 (defun wl-summary-buffer-display-mime-mode ()
4538   (or (wl-message-display-type-property (wl-summary-message-display-type)
4539                                         :mime)
4540       wl-summary-buffer-display-mime-mode))
4541
4542 (defun wl-summary-buffer-display-header-mode ()
4543   (or (wl-message-display-type-property (wl-summary-message-display-type)
4544                                         :header)
4545       wl-summary-buffer-display-header-mode))
4546
4547 (defun wl-summary-toggle-mime (&optional arg)
4548   "Toggle MIME decoding.
4549 If ARG is non-nil, ask coding-system to display the message in the current
4550 MIME analysis mode.
4551
4552 If ARG is numeric number, decode message as following:
4553 1: Enable MIME analysis.
4554 2: Enable MIME analysis only for headers.
4555 3: Disable MIME analysis."
4556   (interactive "P")
4557   (let ((mime-mode (wl-summary-buffer-display-mime-mode))
4558         (elmo-mime-display-as-is-coding-system
4559          elmo-mime-display-as-is-coding-system))
4560     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4561         (progn
4562           (setq wl-summary-buffer-display-mime-mode mime-mode)
4563           (wl-summary-update-modeline))
4564       (cond
4565        ((numberp arg)
4566         (setq mime-mode (case arg
4567                           (1 'mime)
4568                           (2 'header-only)
4569                           (3 'as-is)
4570 ;;;                       (4 'decode-only)
4571                           (5 'no-merge))))
4572        (arg
4573         ;; Specify coding-system (doesn't change the MIME mode).
4574         (setq elmo-mime-display-as-is-coding-system
4575               (if (and arg
4576                        (not (wl-message-mime-analysis-p
4577                              (wl-summary-message-display-type))))
4578                   (or (read-coding-system "Coding system: ")
4579                       elmo-mime-display-as-is-coding-system)
4580                 elmo-mime-display-as-is-coding-system)))
4581        (t
4582         ;; Change the MIME mode.
4583         (setq mime-mode (or (cadr (memq mime-mode
4584                                         wl-summary-display-mime-mode-list))
4585                             (car wl-summary-display-mime-mode-list)))))
4586       (wl-summary-redisplay-internal nil nil arg mime-mode))
4587     (message "MIME decoding: %s%s"
4588              (upcase (symbol-name mime-mode))
4589              (if (and (not (eq mime-mode 'mime))
4590                       (not (eq elmo-mime-display-as-is-coding-system
4591                                wl-cs-autoconv)))
4592                  (concat " ("
4593                          (symbol-name elmo-mime-display-as-is-coding-system)
4594                          ")")
4595                ""))))
4596
4597 (defun wl-summary-redisplay (&optional arg)
4598   "Redisplay message."
4599   (interactive "P")
4600   (apply #'wl-summary-redisplay-internal nil nil arg
4601          (unless (and (consp arg) (> (prefix-numeric-value arg) 4))
4602            (list wl-summary-buffer-display-mime-mode
4603                  wl-summary-buffer-display-header-mode))))
4604
4605 (defun wl-summary-toggle-all-header (&optional arg)
4606   "Toggle displaying message with all header."
4607   (interactive "P")
4608   (let ((header-mode (wl-summary-buffer-display-header-mode)))
4609     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4610         (setq wl-summary-buffer-display-header-mode header-mode)
4611       (wl-summary-redisplay-internal
4612        nil nil arg nil
4613        (if (eq header-mode 'all) 'partial 'all)))))
4614
4615 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4616                                                 mime-mode header-mode)
4617   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4618          (num (or number (wl-summary-message-number)))
4619          (wl-mime-charset      wl-summary-buffer-mime-charset)
4620          (default-mime-charset wl-summary-buffer-mime-charset)
4621          fld-buf fld-win thr-entity
4622          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4623                                          (and force-reload
4624                                               elmo-message-fetch-threshold))))
4625     (if (and wl-thread-open-reading-thread
4626              (eq wl-summary-buffer-view 'thread)
4627              (not (wl-thread-entity-get-opened
4628                    (setq thr-entity (wl-thread-get-entity
4629                                      num))))
4630              (wl-thread-entity-get-children thr-entity))
4631         (wl-thread-force-open))
4632     (if num
4633         (progn
4634           (setq wl-summary-buffer-disp-msg t)
4635           (wl-summary-push-message wl-summary-buffer-current-msg)
4636           ;; hide folder window
4637           (if (and (not wl-stay-folder-window)
4638                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4639               (if (setq fld-win (get-buffer-window fld-buf))
4640                   (delete-window fld-win)))
4641           (setq wl-current-summary-buffer (current-buffer))
4642           (wl-message-redisplay folder num
4643                                 (wl-message-make-display-type
4644                                  (or mime-mode
4645                                      (wl-summary-buffer-display-mime-mode))
4646                                  (or header-mode
4647                                      (wl-summary-buffer-display-header-mode)))
4648                                 (or force-reload
4649                                     (string= (elmo-folder-name-internal folder)
4650                                              wl-draft-folder)))
4651           (when (elmo-message-use-cache-p folder num)
4652             (elmo-message-set-cached folder num t))
4653           (ignore-errors
4654             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4655                                         num
4656                                         'unread)
4657                 (wl-summary-mark-as-read num)
4658               (wl-summary-count-unread)
4659               (wl-summary-update-modeline)
4660               (wl-folder-update-unread
4661                (wl-summary-buffer-folder-name)
4662                wl-summary-buffer-unread-count)))
4663           (setq wl-summary-buffer-current-msg num)
4664           (when wl-summary-recenter
4665             (recenter (/ (- (window-height) 2) 2))
4666             (if (not wl-summary-indent-length-limit)
4667                 (wl-horizontal-recenter)))
4668           (wl-highlight-summary-displaying)
4669           (wl-message-buffer-prefetch-next
4670            folder num
4671            (min (or wl-message-buffer-prefetch-depth 0)
4672                 (1- wl-message-buffer-cache-size))
4673            (current-buffer)
4674            wl-summary-buffer-mime-charset)
4675           (run-hooks 'wl-summary-redisplay-hook))
4676       (message "No message to display."))))
4677
4678 (defun wl-summary-jump-to-current-message ()
4679   "Jump into Message buffer."
4680   (interactive)
4681   (let (message-buf message-win)
4682     (if (setq message-buf wl-message-buffer)
4683         (if (setq message-win (get-buffer-window message-buf))
4684             (select-window message-win)
4685           (wl-message-select-buffer wl-message-buffer))
4686       (wl-summary-redisplay)
4687       (wl-message-select-buffer wl-message-buffer))))
4688
4689 (defun wl-summary-cancel-message ()
4690   "Cancel an article on news."
4691   (interactive)
4692   (if (null (wl-summary-message-number))
4693       (message "No message.")
4694     (let ((summary-buf (current-buffer))
4695           message-buf)
4696       (wl-summary-set-message-buffer-or-redisplay)
4697       (if (setq message-buf (wl-message-get-original-buffer))
4698           (set-buffer message-buf))
4699       (unless (wl-message-news-p)
4700         (set-buffer summary-buf)
4701         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4702                      'nntp)
4703                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4704             (progn
4705               (wl-summary-redisplay t)
4706               (wl-summary-supersedes-message))
4707           (error "This is not a news article; supersedes is impossible")))
4708       (when (yes-or-no-p "Do you really want to cancel this article? ")
4709         (let (from newsgroups message-id distribution buf)
4710           (save-excursion
4711             (setq from (std11-field-body "from")
4712                   newsgroups (std11-field-body "newsgroups")
4713                   message-id (std11-field-body "message-id")
4714                   distribution (std11-field-body "distribution"))
4715             ;; Make sure that this article was written by the user.
4716             (unless (wl-address-user-mail-address-p
4717                      (wl-address-header-extract-address
4718                       (car (wl-parse-addresses from))))
4719               (error "This article is not yours"))
4720             ;; Make control message.
4721             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4722             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4723             (buffer-disable-undo (current-buffer))
4724             (erase-buffer)
4725             (insert "Newsgroups: " newsgroups "\n"
4726                     "From: " (wl-address-header-extract-address
4727                               wl-from) "\n"
4728                               "Subject: cmsg cancel " message-id "\n"
4729                               "Control: cancel " message-id "\n"
4730                               (if distribution
4731                                   (concat "Distribution: " distribution "\n")
4732                                 "")
4733                               mail-header-separator "\n"
4734                               wl-summary-cancel-message)
4735             (message "Canceling your message...")
4736             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4737             (message "Canceling your message...done")))))))
4738
4739 (defun wl-summary-supersedes-message ()
4740   "Supersede current message."
4741   (interactive)
4742   (wl-summary-toggle-disp-msg 'off)
4743   (let ((summary-buf (current-buffer))
4744         message-buf from)
4745     (wl-summary-set-message-buffer-or-redisplay)
4746     (if (setq message-buf (wl-message-get-original-buffer))
4747         (set-buffer message-buf))
4748     (unless (wl-message-news-p)
4749       (set-buffer summary-buf)
4750       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4751                    'nntp)
4752                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4753           (progn
4754             (wl-summary-redisplay t)
4755             (wl-summary-supersedes-message))
4756         (error "This is not a news article; supersedes is impossible")))
4757     (save-excursion
4758       (setq from (std11-field-body "from"))
4759       ;; Make sure that this article was written by the user.
4760       (unless (wl-address-user-mail-address-p
4761                (wl-address-header-extract-address
4762                 (car (wl-parse-addresses from))))
4763         (error "This article is not yours"))
4764       (let* ((message-id (std11-field-body "message-id"))
4765              (followup-to (std11-field-body "followup-to"))
4766              (mail-default-headers
4767               (concat mail-default-headers
4768                       "Supersedes: " message-id "\n"
4769                       (and followup-to
4770                            (concat "Followup-To: " followup-to "\n")))))
4771         (if message-buf (set-buffer message-buf))
4772         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4773
4774 (defun wl-summary-save (&optional arg wl-save-dir)
4775   "Save current message to disk."
4776   (interactive)
4777   (let ((filename)
4778         (num (wl-summary-message-number)))
4779     (unless wl-save-dir
4780       (setq wl-save-dir wl-temporary-file-directory))
4781     (if num
4782         (save-excursion
4783           (setq filename (expand-file-name
4784                           (concat (int-to-string num)
4785                                   wl-summary-save-file-suffix)
4786                           wl-save-dir))
4787           (when (or (null arg)
4788                     (file-exists-p filename))
4789             (setq filename (read-file-name "Save to file: " filename)))
4790           (wl-summary-set-message-buffer-or-redisplay)
4791           (set-buffer (wl-message-get-original-buffer))
4792           (when (or arg
4793                     (not (file-exists-p filename))
4794                     (y-or-n-p "File already exists.  override it? "))
4795             (write-region-as-binary (point-min) (point-max) filename)))
4796       (message "No message to save."))
4797     num))
4798
4799 (defun wl-summary-save-region (beg end)
4800   (interactive "r")
4801   (save-excursion
4802     (save-restriction
4803       (wl-summary-narrow-to-region beg end)
4804       (goto-char (point-min))
4805       (let ((wl-save-dir
4806              (wl-read-directory-name "Save to directory: "
4807                                      wl-temporary-file-directory)))
4808         (if (null (file-exists-p wl-save-dir))
4809             (make-directory wl-save-dir))
4810         (if (eq wl-summary-buffer-view 'thread)
4811             (progn
4812               (while (not (eobp))
4813                 (let* ((number (wl-summary-message-number))
4814                        (entity (wl-thread-get-entity number)))
4815                   (if (wl-thread-entity-get-opened entity)
4816                       (wl-summary-save t wl-save-dir)
4817                     ;; closed
4818                     (wl-summary-save t wl-save-dir))
4819                   (forward-line 1))))
4820           (while (not (eobp))
4821             (wl-summary-save t wl-save-dir)
4822             (forward-line 1)))))))
4823
4824 ;; mew-summary-pipe-message()
4825 (defun wl-summary-pipe-message (prefix command)
4826   "Send this message via pipe."
4827   (interactive (list current-prefix-arg nil))
4828   (if (null (wl-summary-message-number))
4829       (message "No message.")
4830     (setq command (read-string "Shell command on message: "
4831                                wl-summary-shell-command-last))
4832     (if (y-or-n-p "Send this message to pipe? ")
4833         (wl-summary-pipe-message-subr prefix command))))
4834
4835 (defun wl-summary-target-mark-pipe (prefix command)
4836   "Send each marked messages via pipe."
4837   (interactive (list current-prefix-arg nil))
4838   (if (null wl-summary-buffer-target-mark-list)
4839       (message "No marked message.")
4840     (setq command (read-string "Shell command on each marked message: "
4841                                wl-summary-shell-command-last))
4842     (when (y-or-n-p "Send each marked message to pipe? ")
4843       (while (car wl-summary-buffer-target-mark-list)
4844         (let ((num (car wl-summary-buffer-target-mark-list)))
4845           (wl-thread-jump-to-msg num)
4846           (wl-summary-pipe-message-subr prefix command)
4847           (wl-summary-unmark))))))
4848
4849 (defun wl-summary-pipe-message-subr (prefix command)
4850   (save-excursion
4851     (wl-summary-set-message-buffer-or-redisplay)
4852     (set-buffer (wl-message-get-original-buffer))
4853     (if (string= command "")
4854         (setq command wl-summary-shell-command-last))
4855     (goto-char (point-min)) ; perhaps this line won't be necessary
4856     (if prefix
4857         (search-forward "\n\n"))
4858     (shell-command-on-region (point) (point-max) command nil)
4859     (setq wl-summary-shell-command-last command)))
4860
4861 (defun wl-summary-print-message (&optional arg)
4862   (interactive "P")
4863   (if (null (wl-summary-message-number))
4864       (message "No message.")
4865     (save-excursion
4866       (wl-summary-set-message-buffer-or-redisplay)
4867       (if (or (not (interactive-p))
4868               (y-or-n-p "Print ok? "))
4869           (progn
4870             (let ((buffer (generate-new-buffer " *print*")))
4871               (copy-to-buffer buffer (point-min) (point-max))
4872               (set-buffer buffer)
4873               (funcall wl-print-buffer-function)
4874               (kill-buffer buffer)))
4875         (message "")))))
4876
4877 (defun wl-summary-print-message-with-ps-print (&optional filename)
4878   "Print message via ps-print."
4879   (interactive)
4880   (if (null (wl-summary-message-number))
4881       (message "No message.")
4882     (setq filename (ps-print-preprint current-prefix-arg))
4883     (if (or (not (interactive-p))
4884             (y-or-n-p "Print ok? "))
4885         (let ((summary-buffer (current-buffer))
4886               wl-break-pages)
4887           (save-excursion
4888             (wl-summary-set-message-buffer-or-redisplay)
4889             (let* ((buffer (generate-new-buffer " *print*"))
4890                    (entity (progn
4891                              (set-buffer summary-buffer)
4892                              (elmo-message-entity
4893                               wl-summary-buffer-elmo-folder
4894                               (wl-summary-message-number))))
4895                    (wl-ps-subject
4896                     (or (elmo-message-entity-field entity 'subject 'string)
4897                         ""))
4898                    (wl-ps-from
4899                     (or (elmo-message-entity-field entity 'from 'string)
4900                         ""))
4901                    (wl-ps-date
4902                     (or (elmo-message-entity-field entity 'date 'string)
4903                         "")))
4904               (run-hooks 'wl-ps-preprint-hook)
4905               (set-buffer wl-message-buffer)
4906               (copy-to-buffer buffer (point-min) (point-max))
4907               (set-buffer buffer)
4908               (unwind-protect
4909                   (let ((ps-left-header
4910                          (list (concat "(" wl-ps-subject ")")
4911                                (concat "(" wl-ps-from ")")))
4912                         (ps-right-header
4913                          (list "/pagenumberstring load"
4914                                (concat "(" wl-ps-date ")"))))
4915                     (run-hooks 'wl-ps-print-hook)
4916                     (funcall wl-ps-print-buffer-function filename))
4917                 (kill-buffer buffer)))))
4918       (message ""))))
4919
4920 (if (featurep 'ps-print) ; ps-print is available.
4921     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4922
4923 (defun wl-summary-target-mark-print ()
4924   (interactive)
4925   (wl-summary-check-target-mark)
4926   (when (y-or-n-p "Print all marked messages. OK? ")
4927     (while (car wl-summary-buffer-target-mark-list)
4928       (let ((num (car wl-summary-buffer-target-mark-list)))
4929         (wl-thread-jump-to-msg num)
4930         (wl-summary-print-message)
4931         (wl-summary-unmark)))))
4932
4933 (defun wl-summary-folder-info-update ()
4934   (wl-folder-set-folder-updated
4935    (elmo-string (wl-summary-buffer-folder-name))
4936    (list 0
4937          wl-summary-buffer-unread-count
4938          (elmo-folder-length
4939           wl-summary-buffer-elmo-folder))))
4940
4941 (defun wl-summary-get-original-buffer ()
4942   "Get original buffer for the current summary."
4943   (save-excursion
4944     (wl-summary-set-message-buffer-or-redisplay)
4945     (wl-message-get-original-buffer)))
4946
4947 (defun wl-summary-pack-number (&optional arg)
4948   (interactive "P")
4949   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4950   (let (wl-use-scoring)
4951     (wl-summary-rescan nil nil nil t)))
4952
4953 (defun wl-summary-target-mark-uudecode ()
4954   (interactive)
4955   (wl-summary-check-target-mark)
4956   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4957         (summary-buf (current-buffer))
4958         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4959         orig-buf i k filename rc errmsg)
4960     (setq i 1)
4961     (setq k (length mlist))
4962     (set-buffer tmp-buf)
4963     (erase-buffer)
4964     (save-window-excursion
4965       (while mlist
4966         (set-buffer summary-buf)
4967         (wl-summary-jump-to-msg (car mlist))
4968         (wl-summary-redisplay)
4969         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4970         (goto-char (point-min))
4971         (cond ((= i 1) ; first
4972                (if (setq filename (wl-message-uu-substring
4973                                    orig-buf tmp-buf t
4974                                    (= i k)))
4975                    nil
4976                  (error "Can't find begin line")))
4977               ((< i k)
4978                (wl-message-uu-substring orig-buf tmp-buf))
4979               (t ; last
4980                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4981         (setq i (1+ i))
4982         (setq mlist (cdr mlist)))
4983       (set-buffer tmp-buf)
4984       (message "Exec %s..." wl-prog-uudecode)
4985       (unwind-protect
4986           (let ((decode-dir wl-temporary-file-directory))
4987             (if (not wl-prog-uudecode-no-stdout-option)
4988                 (setq filename (read-file-name "Save to file: "
4989                                                (expand-file-name
4990                                                 (elmo-safe-filename filename)
4991                                                 wl-temporary-file-directory)))
4992               (setq decode-dir
4993                     (wl-read-directory-name "Save to directory: "
4994                                             wl-temporary-file-directory))
4995               (setq filename (expand-file-name filename decode-dir)))
4996             (if (file-exists-p filename)
4997                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4998                                          filename))
4999                     (error "")))
5000             (elmo-bind-directory
5001              decode-dir
5002              (setq rc
5003                    (as-binary-process
5004                     (apply 'call-process-region (point-min) (point-max)
5005                            wl-prog-uudecode t (current-buffer) nil
5006                            wl-prog-uudecode-arg))))
5007             (when (not (= 0 rc))
5008               (setq errmsg (buffer-substring (point-min)(point-max)))
5009               (error "Uudecode error: %s" errmsg))
5010             (if (not wl-prog-uudecode-no-stdout-option)
5011                 (let (file-name-handler-alist) ;; void jka-compr
5012                   (as-binary-output-file
5013                    (write-region (point-min) (point-max)
5014                                  filename nil 'no-msg))))
5015             (save-excursion
5016               (set-buffer summary-buf)
5017               (wl-summary-delete-all-target-marks))
5018             (if (file-exists-p filename)
5019                 (message "Saved as %s" filename)))
5020         (kill-buffer tmp-buf)))))
5021
5022 ;; Someday
5023 ;; (defun wl-summary-drop-unsync ()
5024 ;;   "Drop all unsync messages."
5025 ;;   (interactive)
5026 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
5027 ;;       (error "You cannot drop unsync messages in this folder"))
5028 ;;   (if (or (not (interactive-p))
5029 ;;        (y-or-n-p "Drop all unsync messages? "))
5030 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
5031 ;;                         (wl-summary-buffer-folder-name)))
5032 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
5033 ;;           (sum 0)
5034 ;;           (multi-num 0)
5035 ;;           pair)
5036 ;;      (message "Dropping...")
5037 ;;      (while folder-list
5038 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
5039 ;;        (when is-multi ;; dirty hack...
5040 ;;          (incf multi-num)
5041 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
5042 ;;                          (car pair))))
5043 ;;        (elmo-msgdb-set-number-alist
5044 ;;         (wl-summary-buffer-msgdb)
5045 ;;         (nconc
5046 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5047 ;;          (list (cons (car pair) nil))))
5048 ;;        (setq sum (+ sum (cdr pair)))
5049 ;;        (setq folder-list (cdr folder-list)))
5050 ;;      (wl-summary-set-message-modified)
5051 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5052 ;;                                    (list 0
5053 ;;                                          (+ wl-summary-buffer-unread-count
5054 ;;                                             wl-summary-buffer-new-count)
5055 ;;                                          sum))
5056 ;;      (message "Dropping...done"))))
5057
5058 (defun wl-summary-default-get-next-msg (msg)
5059   (or (wl-summary-next-message msg
5060                                (if wl-summary-move-direction-downward 'down
5061                                  'up)
5062                                nil)
5063       (cadr (memq msg (if wl-summary-move-direction-downward
5064                           wl-summary-buffer-number-list
5065                         (reverse wl-summary-buffer-number-list))))))
5066
5067 (defun wl-summary-save-current-message ()
5068   "Save current message for `wl-summary-yank-saved-message'."
5069   (interactive)
5070   (let ((number (wl-summary-message-number)))
5071     (setq wl-summary-buffer-saved-message number)
5072     (and number (message "No: %s is saved." number))))
5073
5074 (defun wl-summary-yank-saved-message ()
5075   "Set current message as a parent of the saved message."
5076   (interactive)
5077   (if wl-summary-buffer-saved-message
5078       (let ((number (wl-summary-message-number)))
5079         (if (eq wl-summary-buffer-saved-message number)
5080             (message "Cannot set itself as a parent.")
5081           (save-excursion
5082             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5083             (wl-thread-set-parent number)
5084             (wl-summary-set-thread-modified))
5085           (setq  wl-summary-buffer-saved-message nil)))
5086     (message "There's no saved message.")))
5087
5088 (defun wl-summary-toggle-header-narrowing ()
5089   "Toggle message header narrowing."
5090   (interactive)
5091   (when wl-message-use-header-narrowing
5092     (save-selected-window
5093       (let* ((mbuf wl-message-buffer)
5094              (mwin (when mbuf (get-buffer-window mbuf)))
5095              (wpos (when mwin (window-start mwin))))
5096         (when mbuf
5097           (set-buffer mbuf)
5098           (wl-message-header-narrowing-toggle)
5099           (and wpos (set-window-start mwin wpos)))))))
5100
5101 (require 'product)
5102 (product-provide (provide 'wl-summary) (require 'wl-version))
5103
5104 ;;; wl-summary.el ends here