wl/wl-summary.el

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