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-sort-function-from-spec (spec reverse)
1050   (let (funtion)
1051     (when (string-match "^!\\(.+\\)$" spec)
1052       (setq spec (match-string 1 spec)
1053             reverse (not reverse)))
1054     (setq funtion
1055           (intern (format "wl-summary-overview-entity-compare-by-%s" spec)))
1056     (if reverse
1057         `(lambda (x y) (not (,funtion x y)))
1058       funtion)))
1059
1060 (defun wl-summary-sort-messages (numbers sort-by reverse)
1061   (let* ((functions (mapcar
1062                      (lambda (spec)
1063                        (wl-summary-sort-function-from-spec spec reverse))
1064                      (if (listp sort-by) sort-by (list sort-by))))
1065          (predicate (if (= (length functions) 1)
1066                         (car functions)
1067                       (lambda (x y)
1068                         (let ((functions functions))
1069                           (catch 'done
1070                             (dolist (function functions)
1071                               (when (funcall function x y)
1072                                 (throw 'done t))
1073                               (when (funcall function y x)
1074                                 (throw 'done nil)))))))))
1075     (mapcar #'elmo-message-entity-number
1076             (sort (mapcar (lambda (number)
1077                             (elmo-message-entity
1078                              wl-summary-buffer-elmo-folder
1079                              number))
1080                           numbers)
1081                   predicate))))
1082
1083 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
1084   "Rescan current folder without updating."
1085   (interactive)
1086   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1087         gc-message                      ; for XEmacs
1088         (inhibit-read-only t)
1089         (buffer-read-only nil)
1090         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1091                                             (not disable-killed) t)) ; in-msgdb
1092         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1093                                                      wl-thread-entity-hashtb))
1094         (wl-summary-search-parent-by-subject-regexp
1095          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1096         (wl-summary-divide-thread-when-subject-changed
1097          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1098         (i 0)
1099         num
1100         expunged)
1101     (erase-buffer)
1102     (message "Re-scanning...")
1103     (when (and sort-by numbers)
1104       (let ((action  (if reverse "Reverse sorting" "Sorting")))
1105         (message "%s by %s..." action sort-by)
1106         (setq numbers (wl-summary-sort-messages numbers sort-by reverse))
1107         (message "%s by %s...done" action sort-by)))
1108     (setq num (length numbers))
1109     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1110           wl-thread-entity-list nil
1111           wl-thread-entities nil
1112           wl-summary-scored nil
1113           wl-summary-buffer-number-list nil
1114           wl-summary-buffer-persistent-mark-version 0
1115           wl-summary-buffer-target-mark-list nil
1116           wl-summary-buffer-temp-mark-list nil
1117           wl-summary-delayed-update nil)
1118     (elmo-kill-buffer wl-summary-search-buf-name)
1119     (while numbers
1120       (wl-summary-insert-message (elmo-message-entity
1121                                   wl-summary-buffer-elmo-folder
1122                                   (car numbers))
1123                                  wl-summary-buffer-elmo-folder
1124                                  nil)
1125       (setq numbers (cdr numbers))
1126       (when (> num elmo-display-progress-threshold)
1127         (setq i (+ i 1))
1128         (if (or (zerop (% i 5)) (= i num))
1129             (elmo-display-progress
1130              'wl-summary-rescan "Constructing summary structure..."
1131              (/ (* i 100) num)))))
1132     (when wl-summary-delayed-update
1133       (while wl-summary-delayed-update
1134         (message "Parent (%d) of message %d is no entity"
1135                  (caar wl-summary-delayed-update)
1136                  (elmo-message-entity-number
1137                   (cdar wl-summary-delayed-update)))
1138         (wl-summary-insert-message
1139          (cdar wl-summary-delayed-update)
1140          wl-summary-buffer-elmo-folder nil t)
1141         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1142     (message "Constructing summary structure...done")
1143     (if (eq wl-summary-buffer-view 'thread)
1144         (progn
1145           (message "Inserting thread...")
1146           (wl-thread-insert-top)
1147           (message "Inserting thread...done")))
1148     (when wl-use-scoring
1149       (wl-summary-score-headers (wl-summary-rescore-msgs
1150                                  wl-summary-buffer-number-list)
1151                                 t)
1152       (when (and wl-summary-scored
1153                  (setq expunged (wl-summary-score-update-all-lines)))
1154         (message "%d message(s) are expunged by scoring." (length expunged))))
1155     (wl-summary-set-message-modified)
1156     (wl-summary-count-unread)
1157     (wl-summary-update-modeline)
1158     (goto-char (point-max))
1159     (forward-line -1)
1160     (set-buffer-modified-p nil)))
1161
1162 (defun wl-summary-rescan-message (number &optional reparent)
1163   "Rescan current message without updating."
1164   (interactive (list (wl-summary-message-number) current-prefix-arg))
1165   (let ((start-number (wl-summary-message-number))
1166         (start-column (current-column)))
1167     (when (wl-summary-jump-to-msg number)
1168       (let* ((folder wl-summary-buffer-elmo-folder)
1169              (entity (elmo-message-entity folder number))
1170              (inhibit-read-only t))
1171         (if (eq wl-summary-buffer-view 'thread)
1172             (let* ((thread-entity (wl-thread-get-entity number))
1173                    (thread-parent (wl-thread-entity-get-parent thread-entity))
1174                    (entity-parent (elmo-message-entity-number
1175                                    (elmo-message-entity-parent folder entity)))
1176                    update-top-list)
1177               (if (and (not reparent)
1178                        (eq thread-parent entity-parent))
1179                   (progn
1180                     (wl-thread-entity-set-linked thread-entity nil)
1181                     (wl-thread-update-line-on-buffer-sub nil number))
1182                 (let ((replacements
1183                        (cons number
1184                              (wl-thread-entity-get-descendant thread-entity))))
1185                   (wl-thread-delete-message number 'deep 'update)
1186                   (wl-thread-cleanup-symbols replacements)
1187                   (dolist (number replacements)
1188                     (setq update-top-list
1189                           (nconc
1190                            update-top-list
1191                            (wl-summary-insert-thread
1192                             (elmo-message-entity folder number)
1193                             folder
1194                             'update))))
1195                   (when update-top-list
1196                     (wl-thread-update-indent-string-thread
1197                      (elmo-uniq-list update-top-list))))))
1198             (delete-region (point-at-bol) (1+ (point-at-eol)))
1199             (wl-summary-insert-line
1200              (wl-summary-create-line entity nil
1201                                      (wl-summary-temp-mark number)
1202                                      (elmo-message-flags folder number)
1203                                      (elmo-message-cached-p folder number)))))
1204       (when (and wl-summary-buffer-disp-msg
1205                  wl-summary-buffer-current-msg)
1206         (save-excursion
1207           (when (wl-summary-jump-to-msg wl-summary-buffer-current-msg)
1208             (wl-highlight-summary-displaying))))
1209       (wl-summary-set-message-modified)
1210       (wl-summary-jump-to-msg start-number)
1211       (move-to-column start-column))))
1212
1213 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1214   (if (and next-entity
1215            wl-auto-select-next)
1216       (let (retval)
1217         (wl-summary-toggle-disp-msg 'off)
1218         (unwind-protect
1219             (setq retval
1220                   (wl-summary-goto-folder-subr next-entity
1221                                                'force-update
1222                                                nil
1223                                                nil ; not sticky
1224                                                t   ; interactive!
1225                                                ))
1226           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1227           (if (and (eq retval 'more-next)
1228                    (memq wl-auto-select-next '(unread skip-no-unread))
1229                    (memq this-command wl-summary-next-no-unread-command))
1230               (if upward
1231                   (wl-summary-up
1232                    t (eq wl-auto-select-next 'skip-no-unread))
1233                 (goto-char (point-max))
1234                 (forward-line -1)
1235                 (wl-summary-down
1236                  t (eq wl-auto-select-next 'skip-no-unread))))))
1237     (wl-summary-exit)))
1238
1239 (defun wl-summary-entity-info-msg (entity finfo)
1240   (or (and entity
1241            (concat
1242             (if (memq 'ask-folder wl-use-folder-petname)
1243                 (wl-folder-get-petname entity)
1244               entity)
1245             (if (null (car finfo))
1246                 " (? new/? unread)"
1247               (format
1248                " (%d new/%d unread)"
1249                (nth 0 finfo)
1250                (+ (nth 0 finfo)
1251                   (nth 1 finfo))))))
1252       "folder mode"))
1253
1254 (defun wl-summary-set-message-modified ()
1255   (setq wl-summary-buffer-message-modified t))
1256 (defun wl-summary-message-modified-p ()
1257   wl-summary-buffer-message-modified)
1258 (defun wl-summary-set-thread-modified ()
1259   (setq wl-summary-buffer-thread-modified t))
1260 (defun wl-summary-thread-modified-p ()
1261   wl-summary-buffer-thread-modified)
1262
1263 (defun wl-summary-exec-with-confirmation (&optional message)
1264   (when wl-summary-buffer-temp-mark-list
1265     (if (y-or-n-p (or message
1266                       (format "Execute marks in %s? "
1267                               (wl-summary-buffer-folder-name))))
1268         (progn
1269           (wl-summary-exec)
1270           (if wl-summary-buffer-temp-mark-list
1271               (error "Some execution was failed")))
1272       ;; temp-mark-list is remained.
1273       (message ""))))
1274
1275 (defun wl-summary-cleanup-temp-marks ()
1276   (when wl-summary-buffer-temp-mark-list
1277     (wl-summary-exec-with-confirmation
1278      (format "Execute marks in %s? (answer \"n\" to discard them) "
1279              (wl-summary-buffer-folder-name)))
1280     (wl-summary-delete-all-temp-marks 'no-msg)
1281     (setq wl-summary-scored nil)))
1282
1283 ;; a subroutine for wl-summary-exit/wl-save-status
1284 ;; Note that folder is not commited here.
1285 (defun wl-summary-save-view ()
1286   ;; already in summary buffer.
1287   (when wl-summary-buffer-persistent
1288     ;; save the current summary buffer view.
1289     (if (and wl-summary-cache-use
1290              (or (wl-summary-message-modified-p)
1291                  (wl-summary-thread-modified-p)))
1292         (wl-summary-save-view-cache))))
1293
1294 (defun wl-summary-save-status ()
1295   "Save summary view and msgdb."
1296   (interactive)
1297   (if (interactive-p) (message "Saving summary status..."))
1298   (wl-summary-save-view)
1299   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1300   (elmo-folder-check wl-summary-buffer-elmo-folder)
1301   (if wl-use-scoring (wl-score-save))
1302   (if (interactive-p) (message "Saving summary status...done")))
1303
1304 (defun wl-summary-force-exit ()
1305   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1306   (interactive)
1307   (wl-summary-exit 'force-exit))
1308
1309 (defun wl-summary-exit (&optional force-exit)
1310   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1311   (interactive "P")
1312   (let ((summary-buf (current-buffer))
1313         (sticky (wl-summary-sticky-p))
1314         summary-win
1315         message-buf message-win
1316         folder-buf folder-win)
1317     (run-hooks 'wl-summary-exit-pre-hook)
1318     (if wl-summary-buffer-exit-function
1319         (funcall wl-summary-buffer-exit-function)
1320       (if (or force-exit (not sticky))
1321           (wl-summary-cleanup-temp-marks))
1322       (unwind-protect
1323           ;; save summary status
1324           (progn
1325             (wl-summary-save-view)
1326             (if (or force-exit (not sticky))
1327                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1328               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1329               (elmo-folder-check wl-summary-buffer-elmo-folder))
1330             (if wl-use-scoring (wl-score-save)))
1331         ;; for sticky summary
1332         (wl-delete-all-overlays)
1333         (setq wl-summary-buffer-disp-msg nil)
1334         (elmo-kill-buffer wl-summary-search-buf-name)
1335         ;; delete message window if displayed.
1336         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1337             (delete-window (get-buffer-window wl-message-buffer)))
1338         (if (and wl-summary-use-frame
1339                  (> (length (visible-frame-list)) 1))
1340             (delete-frame))
1341         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1342             (if wl-summary-use-frame
1343                 (let (select-frame)
1344                   (save-selected-window
1345                     (dolist (frame (visible-frame-list))
1346                       (select-frame frame)
1347                       (if (get-buffer-window folder-buf)
1348                           (setq select-frame frame))))
1349                   (if select-frame
1350                       (select-frame select-frame)
1351                     (switch-to-buffer folder-buf)))
1352               (if (setq folder-win (get-buffer-window folder-buf))
1353                   ;; folder win is already displayed.
1354                   (select-window folder-win)
1355                 ;; folder win is not displayed.
1356                 (switch-to-buffer folder-buf)))
1357           ;; currently no folder buffer
1358           (wl-folder))
1359         (and wl-folder-move-cur-folder
1360              wl-folder-buffer-cur-point
1361              (goto-char wl-folder-buffer-cur-point))
1362         (setq wl-folder-buffer-cur-path nil)
1363         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1364         (setq wl-folder-buffer-cur-entity-id nil)
1365         (wl-delete-all-overlays)
1366         (if wl-summary-exit-next-move
1367             (wl-folder-next-unsync t)
1368           (beginning-of-line))
1369         (if (setq summary-win (get-buffer-window summary-buf))
1370             (delete-window summary-win))
1371         (if (or force-exit
1372                 (not sticky))
1373             (progn
1374               (set-buffer summary-buf)
1375               (kill-buffer summary-buf)))
1376         (run-hooks 'wl-summary-exit-hook)))))
1377
1378 (defun wl-summary-suspend ()
1379   (interactive)
1380   (wl-summary-exit)
1381   (wl-folder-suspend))
1382
1383 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1384   (interactive)
1385   (wl-summary-sync-update unset-cursor nil nil no-check))
1386
1387 (defsubst wl-summary-sync-all-init ()
1388   (wl-summary-cleanup-temp-marks)
1389   (erase-buffer)
1390   (wl-summary-set-message-modified)
1391   (setq wl-thread-entity-hashtb (elmo-make-hash
1392                                  (* (elmo-folder-length
1393                                      wl-summary-buffer-elmo-folder)
1394                                     2)))
1395   (setq wl-thread-entity-list nil)
1396   (setq wl-thread-entities nil)
1397   (setq wl-summary-buffer-number-list nil)
1398   (setq wl-summary-buffer-target-mark-list nil)
1399   (setq wl-summary-buffer-temp-mark-list nil))
1400
1401 (defun wl-summary-sync (&optional unset-cursor force-range)
1402   (interactive)
1403   (let* ((folder wl-summary-buffer-elmo-folder)
1404          (inhibit-read-only t)
1405          (buffer-read-only nil)
1406          (msgdb-dir (elmo-folder-msgdb-path folder))
1407          (range (or force-range (wl-summary-input-range
1408                                  (elmo-folder-name-internal folder)))))
1409     (cond ((string-match "rescan" range)
1410            (let ((msg (wl-summary-message-number))
1411                  (wl-use-scoring (if (string-match "noscore" range)
1412                                      nil
1413                                    wl-use-scoring)))
1414              (wl-summary-rescan nil
1415                                 nil
1416                                 (string-match "noscore" range)
1417                                 (string-match "thread" range))
1418              (and msg (wl-summary-jump-to-msg msg))))
1419           ((string= range "mark")
1420            (let ((msg (wl-summary-message-number)))
1421              (call-interactively 'wl-summary-sync-marks)
1422              (and msg (wl-summary-jump-to-msg msg))))
1423           ((string= range "cache-status")
1424            (let ((msg (wl-summary-message-number)))
1425              (wl-summary-resume-cache-status)
1426              (and msg (wl-summary-jump-to-msg msg))))
1427           ((string= range "no-sync"))
1428           ((or (string-match "^last:" range)
1429                (string-match "^first:" range))
1430            (wl-summary-goto-folder-subr (concat "/" range "/"
1431                                                 (elmo-folder-name-internal
1432                                                  folder))
1433                                         'force-update nil nil t))
1434           (t
1435            (wl-summary-sync-update unset-cursor
1436                                    (string-match "entirely" range)
1437                                    (string-match "all" range))))))
1438
1439 (defvar wl-summary-edit-addresses-candidate-fields
1440   ;; First element becomes default.
1441   '("from" "to" "cc"))
1442
1443 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1444   (let ((fields wl-summary-edit-addresses-candidate-fields)
1445         body candidates components)
1446     (while fields
1447       (setq body
1448             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1449                        ","))
1450       (setq body (wl-parse-addresses body))
1451       (if body (setq candidates (append candidates body)))
1452       (setq fields (cdr fields)))
1453     (setq candidates (elmo-uniq-list candidates))
1454     (elmo-with-enable-multibyte
1455       (mapcar (function
1456                (lambda (x)
1457                  (setq components (std11-extract-address-components x))
1458                  (cons (nth 1 components)
1459                        (and (car components)
1460                             (eword-decode-string
1461                              (decode-mime-charset-string
1462                               (car components)
1463                               mime-charset))))))
1464               candidates))))
1465
1466 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1467   ;; returns nil if there's no change.
1468   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1469       (let (char)
1470         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1471                  the-email)
1472         (while (not (or (eq (setq char (read-char)) ?\r)
1473                         (eq char ?\n)
1474                         (eq char ? )
1475                         (eq char ?e)
1476                         (eq char ?c)
1477                         (eq char ?d)))
1478           (message
1479            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1480         (cond
1481          ((or (eq char ?e)
1482               (eq char ?\n)
1483               (eq char ?\r)
1484               (eq char ? ))
1485           ;; Change Addresses
1486           (wl-address-add-or-change
1487            the-email
1488            (wl-address-header-extract-realname
1489             (cdr (assoc
1490                   (let ((completion-ignore-case t) comp)
1491                     (setq comp
1492                           (try-completion the-email wl-address-completion-list))
1493                     (if (equal comp t) the-email comp))
1494                   wl-address-completion-list))))
1495           "edited")
1496          ((eq char ?d)
1497           ;; Delete Addresses
1498           (if (y-or-n-p (format "Delete '%s'? "
1499                                 the-email))
1500               (progn
1501                 (wl-address-delete the-email)
1502                 "deleted")
1503             (message "")
1504             nil))
1505          (t (message "")
1506             nil)))
1507     ;; Add Petname
1508     (wl-address-add-or-change the-email name-in-addr)
1509     "added"))
1510
1511 (defun wl-summary-edit-addresses (&optional addr-str)
1512   "Edit address book interactively.
1513 Optional argument ADDR-STR is used as a target address if specified."
1514   (interactive (if current-prefix-arg
1515                    (list (read-from-minibuffer "Target address: "))))
1516   (if (null (wl-summary-message-number))
1517       (message "No message.")
1518     (save-excursion
1519       (let* ((charset wl-summary-buffer-mime-charset)
1520              (candidates
1521               (with-current-buffer (wl-summary-get-original-buffer)
1522                 (wl-summary-edit-addresses-collect-candidate-fields
1523                  charset)))
1524              address pair result)
1525         (if addr-str
1526             (setq address addr-str)
1527           (when candidates
1528             (setq address (car (car candidates)))
1529             (setq address
1530                   (completing-read
1531                    (format "Target address (%s): " address)
1532                    (mapcar
1533                     (function (lambda (x) (cons (car x) (car x))))
1534                     candidates)
1535                    nil nil nil nil address))))
1536         (when address
1537           (setq pair (assoc address candidates))
1538           (unless pair
1539             (setq pair (cons address nil)))
1540           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1541             ;; update alias
1542             (wl-status-update)
1543             (setq address (assoc (car pair) wl-address-list))
1544             (if address
1545                 (message "%s, %s, <%s> is %s."
1546                          (nth 2 address)
1547                          (nth 1 address)
1548                          (nth 0 address)
1549                          result)))
1550 ;;; i'd like to update summary-buffer, but...
1551 ;;;     (wl-summary-rescan)
1552           (run-hooks 'wl-summary-edit-addresses-hook))))))
1553
1554 (defun wl-summary-incorporate (&optional arg)
1555   "Check and prefetch all uncached messages.
1556 If ARG is non-nil, checking is omitted."
1557   (interactive "P")
1558   (unless arg
1559     (save-excursion
1560       (wl-summary-sync-force-update)))
1561   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1562                                       wl-summary-incorporate-marks))
1563
1564 (defun wl-summary-force-prefetch ()
1565   "All uncached messages are cached."
1566   (interactive)
1567   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1568     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1569                                              'uncached 'in-msgdb))
1570           (count 0)
1571           wl-prefetch-confirm
1572           wl-prefetch-threshold
1573           (elmo-inhibit-display-retrieval-progress t)
1574           length msg)
1575       (save-excursion
1576         (goto-char (point-min))
1577         (setq length (length targets))
1578         (dolist (target targets)
1579           (when (if (not (wl-thread-entity-parent-invisible-p
1580                           (wl-thread-get-entity target)))
1581                     (progn
1582                       (wl-summary-jump-to-msg target)
1583                       (wl-summary-prefetch-msg
1584                        (wl-summary-message-number)))
1585                   (wl-summary-prefetch-msg target))
1586             (message "Retrieving... %d/%d" (incf count) length)))
1587         (message "Retrieved %d/%d message(s)" count length)))))
1588
1589 (defun wl-summary-prefetch-msg (number &optional arg)
1590   "Prefetch message and return non-nil value. If skipped, return nil."
1591   ;; prefetching procedure.
1592   (save-excursion
1593     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1594                                      number 'size))
1595            (file-cached (elmo-file-cache-exists-p
1596                          (elmo-message-field wl-summary-buffer-elmo-folder
1597                                              number 'message-id)))
1598            (force-read (and size
1599                             (or file-cached
1600                                 (and (null wl-prefetch-confirm) arg)
1601                                 (null wl-prefetch-threshold)
1602                                 (< size wl-prefetch-threshold))))
1603            mark new-mark)
1604       (ignore-errors
1605         (when (and (or arg (not file-cached))
1606                    size (not force-read) wl-prefetch-confirm)
1607           (let ((wl-message-entity (elmo-message-entity
1608                                     wl-summary-buffer-elmo-folder
1609                                     number)))
1610             (setq force-read
1611                   (save-restriction
1612                     (widen)
1613                     (y-or-n-p
1614                      (format
1615                       "Message from %s has %d bytes.  Prefetch it? "
1616                       (concat
1617                        "[ "
1618                        (save-match-data
1619                          (wl-set-string-width
1620                           17
1621                           (funcall
1622                            wl-summary-from-function
1623                            (elmo-delete-char
1624                             ?\"
1625                             (or
1626                              (elmo-message-entity-field
1627                               wl-message-entity
1628                               'from)
1629                              "??")))))
1630                        " ]")
1631                       size))))
1632             (message "")))              ; flush.
1633         (if force-read
1634             (save-excursion
1635               (save-match-data
1636                 ;; online
1637                 (when (or arg (not file-cached))
1638                   (elmo-message-encache wl-summary-buffer-elmo-folder
1639                                         number))
1640                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1641                                          number t))
1642               t)
1643           nil)))))
1644
1645 (defsubst wl-summary-narrow-to-region (beg end)
1646   (narrow-to-region
1647    (save-excursion
1648      (goto-char beg)
1649      (beginning-of-line)
1650      (point))
1651    (save-excursion
1652      (goto-char end)
1653      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1654      (point))))
1655
1656 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1657   (interactive "r")
1658   (let ((count 0)
1659         targets
1660         mark length
1661         entity msg
1662         start-pos pos)
1663     (save-excursion
1664       (setq start-pos (point))
1665       (save-restriction
1666         (wl-summary-narrow-to-region beg end)
1667         ;; collect prefetch targets.
1668         (message "Collecting marks...")
1669         (goto-char (point-min))
1670         (while (not (eobp))
1671           (setq mark (wl-summary-persistent-mark)
1672                 msg (wl-summary-message-number))
1673           (if (or (and (null prefetch-marks)
1674                        msg
1675                        (null (elmo-file-cache-exists-p
1676                               (elmo-message-field
1677                                wl-summary-buffer-elmo-folder
1678                                msg
1679                                'message-id))))
1680                   (member mark prefetch-marks))
1681               (setq targets (nconc targets (list msg))))
1682           (setq entity (wl-thread-get-entity msg))
1683           (if (or (not (eq wl-summary-buffer-view 'thread))
1684                   (wl-thread-entity-get-opened entity))
1685               (); opened. no hidden children.
1686             (setq targets (nconc
1687                            targets
1688                            (wl-thread-get-children-msgs-uncached
1689                             msg prefetch-marks))))
1690           (forward-line 1))
1691         (setq length (length targets))
1692         (message "Prefetching...")
1693         (while targets
1694           (when (if (not (wl-thread-entity-parent-invisible-p
1695                           (wl-thread-get-entity (car targets))))
1696                     (progn
1697                       (wl-summary-jump-to-msg (car targets))
1698                       (wl-summary-prefetch-msg
1699                        (wl-summary-message-number)))
1700                   (wl-summary-prefetch-msg (car targets)))
1701             (message "Prefetching... %d/%d message(s)"
1702                      (setq count (+ 1 count)) length))
1703           (setq targets (cdr targets)))
1704         (message "Prefetched %d/%d message(s)" count length)
1705         (cons count length)))))
1706
1707 (defun wl-summary-delete-marks-on-buffer (marks)
1708   (while marks
1709     (wl-summary-unmark (pop marks))))
1710
1711 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1712   (wl-summary-delete-marks-on-buffer copies))
1713
1714 ;;;
1715 (defun wl-summary-delete-all-target-marks ()
1716   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1717
1718 (defun wl-summary-number-list-from-region (beg end)
1719   (save-excursion
1720     (save-restriction
1721       (wl-summary-narrow-to-region beg end)
1722       (goto-char (point-min))
1723       (let (number-list)
1724         (if (eq wl-summary-buffer-view 'thread)
1725             (while (not (eobp))
1726               (let* ((number (wl-summary-message-number))
1727                      (entity (wl-thread-get-entity number)))
1728                 (setq number-list
1729                       (nconc number-list
1730                              (if (wl-thread-entity-get-opened entity)
1731                                  (list number)
1732                                (wl-thread-get-children-msgs number))))
1733                 (forward-line 1)))
1734           (while (not (eobp))
1735             (setq number-list
1736                   (nconc number-list (list (wl-summary-message-number))))
1737             (forward-line 1)))
1738         number-list))))
1739
1740 (defun wl-summary-mark-as-read-region (beg end)
1741   (interactive "r")
1742   (let ((number-list (wl-summary-number-list-from-region beg end)))
1743     (if (null number-list)
1744         (message "No message.")
1745       (wl-summary-mark-as-read number-list))))
1746
1747 (defun wl-summary-mark-as-unread-region (beg end)
1748   (interactive "r")
1749   (let ((number-list (wl-summary-number-list-from-region beg end)))
1750     (if (null number-list)
1751         (message "No message.")
1752       (wl-summary-mark-as-unread number-list))))
1753
1754 (defun wl-summary-set-flags-region (beg end &optional remove)
1755   (interactive "r\nP")
1756   (let ((number-list (wl-summary-number-list-from-region beg end)))
1757     (if (null number-list)
1758         (message "No message.")
1759       (wl-summary-set-flags-internal number-list nil nil remove)
1760       (wl-summary-count-unread)
1761       (wl-summary-update-modeline))))
1762
1763 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1764   (interactive "r\nP")
1765   (let ((number-list (wl-summary-number-list-from-region beg end))
1766         (remove (or remove
1767                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1768                                             (save-excursion
1769                                               (goto-char beg)
1770                                               (wl-summary-message-number))
1771                                             'answered))))
1772     (if (null number-list)
1773         (message "No message.")
1774       (wl-summary-set-persistent-mark-internal remove 'answered
1775                                                number-list
1776                                                nil nil (interactive-p))
1777       (wl-summary-count-unread)
1778       (wl-summary-update-modeline))))
1779
1780 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1781   (interactive "r\nP")
1782   (let ((number-list (wl-summary-number-list-from-region beg end))
1783         (remove (or remove
1784                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1785                                             (save-excursion
1786                                               (goto-char beg)
1787                                               (wl-summary-message-number))
1788                                             'important))))
1789     (if (null number-list)
1790         (message "No message.")
1791       (wl-summary-set-persistent-mark-internal remove 'important number-list
1792                                                nil nil (interactive-p))
1793       (wl-summary-count-unread)
1794       (wl-summary-update-modeline))))
1795
1796 (defun wl-summary-mark-as-read-all ()
1797   (interactive)
1798   (if (or (not (interactive-p))
1799           (y-or-n-p "Mark all messages as read? "))
1800       (let ((folder wl-summary-buffer-elmo-folder)
1801             (cur-buf (current-buffer)))
1802         (message "Setting all msgs as read...")
1803         (elmo-folder-unset-flag
1804          folder
1805          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1806          'unread)
1807         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1808         (setq wl-summary-buffer-unread-count 0)
1809         (setq wl-summary-buffer-new-count    0)
1810         (wl-summary-update-modeline)
1811         (message "Setting all msgs as read...done"))))
1812
1813 (defun wl-summary-delete-cache ()
1814   "Delete cache of current message."
1815   (interactive)
1816   (save-excursion
1817     (let* ((folder wl-summary-buffer-elmo-folder)
1818            number)
1819       (setq number (wl-summary-message-number))
1820       (elmo-message-set-cached folder number nil)
1821       (ignore-errors
1822         (elmo-file-cache-delete
1823          (elmo-file-cache-get-path
1824           (elmo-message-field wl-summary-buffer-elmo-folder
1825                               number
1826                               'message-id)))))))
1827
1828 (defun wl-summary-resume-cache-status ()
1829   "Resume the cache status of all messages in the current folder."
1830   (interactive)
1831   (let ((folder wl-summary-buffer-elmo-folder)
1832         number msgid)
1833     (message "Resuming cache status...")
1834     (save-excursion
1835       (goto-char (point-min))
1836       (while (not (eobp))
1837         (setq number (wl-summary-message-number))
1838         (setq msgid (elmo-message-field folder number 'message-id))
1839         (elmo-message-set-cached folder number
1840                                  (elmo-file-cache-exists-p msgid))
1841         (forward-line 1))
1842       (wl-summary-count-unread)
1843       (wl-summary-update-modeline)
1844       (message "Resuming cache status...done"))))
1845
1846 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1847   (interactive)
1848   (save-excursion
1849     (let ((inhibit-read-only t)
1850           (buffer-read-only nil)
1851           (msgs2 msgs)
1852           (len (length msgs))
1853           (i 0)
1854           ;(deleting-info (or deleting-info "Deleting..."))
1855           update-list)
1856       (elmo-kill-buffer wl-summary-search-buf-name)
1857       (while msgs
1858         (if (eq wl-summary-buffer-view 'thread)
1859             (progn
1860               ;; don't use wl-append(nconc), because list is broken. ...why?
1861               (setq update-list
1862                     (append update-list
1863                             (wl-thread-delete-message (car msgs))))
1864               (setq update-list (delq (car msgs) update-list)))
1865           (goto-char (point-min))
1866           (if (wl-summary-jump-to-msg (car msgs))
1867               (progn
1868                 (delete-region (point-at-bol) (point-at-eol))
1869                 (delete-char 1) ; delete '\n'
1870                 (setq wl-summary-buffer-number-list
1871                       (delq (car msgs) wl-summary-buffer-number-list)))))
1872 ;       (when (> len elmo-display-progress-threshold)
1873 ;         (setq i (1+ i))
1874 ;         (if (or (zerop (% i 5)) (= i len))
1875 ;             (elmo-display-progress
1876 ;              'wl-summary-delete-messages-on-buffer deleting-info
1877 ;              (/ (* i 100) len))))
1878         (setq msgs (cdr msgs)))
1879       (when (eq wl-summary-buffer-view 'thread)
1880         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1881         (wl-thread-cleanup-symbols msgs2))
1882       ;;(message (concat deleting-info "done"))
1883       (wl-summary-count-unread)
1884       (wl-summary-update-modeline)
1885       (wl-summary-folder-info-update))))
1886
1887 (defun wl-summary-update-status-marks (beg end &optional check)
1888   "Synchronize status marks on current buffer to the msgdb."
1889   (interactive "r")
1890   (save-excursion
1891     (goto-char beg)
1892     (while (and (< (point) end) (not (eobp)))
1893       (when (or (not check)
1894                 (wl-summary-persistent-mark-invalid-p))
1895         (wl-summary-update-persistent-mark))
1896       (forward-line 1))))
1897
1898 (defun wl-summary-update-mark-window (&optional win beg)
1899   "Update persistent mark in visible summary window.
1900 This function is defined for `window-scroll-functions'"
1901   (with-current-buffer (window-buffer win)
1902     (when (eq major-mode 'wl-summary-mode)
1903       (let ((start (window-start win))
1904             (end (condition-case nil
1905                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1906                    (error (window-end win)))))
1907         (wl-summary-update-status-marks start end 'check)))))
1908
1909 (defun wl-summary-insert-message (&rest args)
1910   (if (eq wl-summary-buffer-view 'thread)
1911       (apply 'wl-summary-insert-thread args)
1912     (apply 'wl-summary-insert-sequential args)))
1913
1914 (defun wl-summary-sort (reverse)
1915   "Sort summary lines into the selected order; argument means descending order."
1916   (interactive "P")
1917   (let ((spec (wl-completing-read-multiple
1918                (format "%s by (%s): "
1919                        (if reverse "Reverse sort" "Sort")
1920                        (symbol-name wl-summary-default-sort-spec))
1921                (nconc
1922                 (mapcar (lambda (spec) (list (symbol-name spec)))
1923                         wl-summary-sort-specs)
1924                 (mapcar (lambda (spec) (list (concat "!" (symbol-name spec))))
1925                         wl-summary-sort-specs))
1926                nil t)))
1927     (wl-summary-rescan
1928      (if (equal spec '("")) (symbol-name wl-summary-default-sort-spec) spec)
1929      reverse)))
1930
1931 (defun wl-summary-get-available-flags (&optional include-specials)
1932   (let ((flags (elmo-uniq-list
1933                 (append elmo-global-flags
1934                         (copy-sequence elmo-preserved-flags))
1935                 #'delq)))
1936     (if include-specials
1937         flags
1938       (delq 'new (delq 'cached flags)))))
1939
1940 (defun wl-summary-sync-marks ()
1941   "Update persistent marks in summary."
1942   (interactive)
1943   (let ((mes "Updated ")
1944         diff diffs)
1945     (message "Updating marks...")
1946     (dolist (flag (wl-summary-get-available-flags))
1947       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1948                                   wl-summary-buffer-elmo-folder
1949                                   flag)
1950                                  (elmo-folder-list-flagged
1951                                   wl-summary-buffer-elmo-folder
1952                                   flag 'in-msgdb)))
1953       (setq diffs (cadr diff))
1954       (setq mes (concat mes (format "-%d" (length diffs))))
1955       (when diffs
1956         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1957       (setq diffs (car diff)
1958             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1959       (when diffs
1960         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1961     (if (interactive-p) (message "%s" mes))))
1962
1963 (defun wl-summary-sync-update (&optional unset-cursor
1964                                          disable-killed
1965                                          sync-all
1966                                          no-check)
1967   "Update the summary view to the newest folder status."
1968   (interactive)
1969   (let* ((folder wl-summary-buffer-elmo-folder)
1970          (elmo-mime-charset wl-summary-buffer-mime-charset)
1971          (inhibit-read-only t)
1972          (buffer-read-only nil)
1973          gc-message                     ; for XEmacs
1974          crossed expunged mes)
1975     (unwind-protect
1976         (progn
1977           (unless wl-summary-buffer-elmo-folder
1978             (error "(Internal error) Folder is not set:%s" (buffer-name
1979                                                             (current-buffer))))
1980           ;; Flush pending append operations (disconnected operation).
1981           ;;(setq seen-list
1982           ;;(wl-summary-flush-pending-append-operations seen-list))
1983           (goto-char (point-max))
1984           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1985           (setq crossed (elmo-folder-synchronize folder
1986                                                  disable-killed
1987                                                  sync-all
1988                                                  no-check))
1989           (if crossed
1990               (let ((wl-summary-highlight
1991                      (and wl-summary-highlight
1992                           (not wl-summary-lazy-highlight)))
1993                     append-list delete-list
1994                     update-thread update-top-list
1995                     num diff entity
1996                     (i 0))
1997                 ;; Setup sync-all
1998                 (if sync-all (wl-summary-sync-all-init))
1999                 (setq diff (elmo-list-diff (elmo-folder-list-messages
2000                                             folder
2001                                             (not disable-killed)
2002                                             'in-msgdb)
2003                                            wl-summary-buffer-number-list))
2004                 (setq append-list (sort (car diff) #'<))
2005                 (setq delete-list (cadr diff))
2006
2007                 (when delete-list
2008                   (wl-summary-delete-messages-on-buffer delete-list))
2009                 (unless wl-summary-lazy-update-mark
2010                   (wl-summary-update-status-marks (point-min) (point-max)))
2011                 (when (and wl-summary-lazy-highlight
2012                            wl-summary-lazy-update-mark)
2013                   (let (buffer-read-only)
2014                     (put-text-property (point-min) (point-max) 'face nil)))
2015                 (setq num (length append-list))
2016                 (setq wl-summary-delayed-update nil)
2017                 (elmo-kill-buffer wl-summary-search-buf-name)
2018                 (dolist (number append-list)
2019                   (setq entity (elmo-message-entity folder number))
2020                   (when (setq update-thread
2021                               (wl-summary-insert-message
2022                                entity folder
2023                                (not sync-all)))
2024                     (wl-append update-top-list update-thread))
2025                   (if elmo-use-database
2026                       (elmo-database-msgid-put
2027                        (elmo-message-entity-field entity 'message-id)
2028                        (elmo-folder-name-internal folder)
2029                        (elmo-message-entity-number entity)))
2030                   (when (> num elmo-display-progress-threshold)
2031                     (setq i (+ i 1))
2032                     (if (or (zerop (% i 5)) (= i num))
2033                         (elmo-display-progress
2034                          'wl-summary-sync-update
2035                          (if (eq wl-summary-buffer-view 'thread)
2036                              "Making thread..."
2037                            "Inserting message...")
2038                          (/ (* i 100) num)))))
2039                 (when wl-summary-delayed-update
2040                   (while wl-summary-delayed-update
2041                     (message "Parent (%d) of message %d is no entity"
2042                              (caar wl-summary-delayed-update)
2043                              (elmo-message-entity-number
2044                               (cdar wl-summary-delayed-update)))
2045                     (when (setq update-thread
2046                                 (wl-summary-insert-message
2047                                  (cdar wl-summary-delayed-update)
2048                                  wl-summary-buffer-elmo-folder
2049                                  (not sync-all) t))
2050                       (wl-append update-top-list update-thread))
2051                     (setq wl-summary-delayed-update
2052                           (cdr wl-summary-delayed-update))))
2053                 (when (and (eq wl-summary-buffer-view 'thread)
2054                            update-top-list)
2055                   (wl-thread-update-indent-string-thread
2056                    (elmo-uniq-list update-top-list)))
2057                 (message (if (eq wl-summary-buffer-view 'thread)
2058                              "Making thread...done"
2059                            "Inserting message...done"))
2060                 (when (or delete-list append-list)
2061                   (wl-summary-set-message-modified))
2062                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2063                   (elmo-kill-buffer wl-summary-search-buf-name)
2064                   (message "Inserting message...")
2065                   (wl-thread-insert-top)
2066                   (message "Inserting message...done"))
2067                 (if elmo-use-database
2068                     (elmo-database-close))
2069                 (run-hooks 'wl-summary-sync-updated-hook)
2070                 (setq mes
2071                       (if (and (eq (length delete-list) 0)
2072                                (eq num 0))
2073                           (format
2074                            "No updates for \"%s\"" (elmo-folder-name-internal
2075                                                     folder))
2076                         (format "Updated (-%d/+%d) message(s)"
2077                                 (length delete-list) num))))
2078             (setq mes "Quit updating")))
2079       ;; synchronize marks.
2080       (if (and crossed wl-summary-auto-sync-marks)
2081           (wl-summary-sync-marks))
2082       ;; scoring
2083       (when wl-use-scoring
2084         (setq wl-summary-scored nil)
2085         (wl-summary-score-headers (and sync-all
2086                                        (wl-summary-rescore-msgs
2087                                         wl-summary-buffer-number-list))
2088                                   sync-all)
2089         (when (and wl-summary-scored
2090                    (setq expunged (wl-summary-score-update-all-lines)))
2091           (setq mes (concat mes
2092                             (format " (%d expunged)"
2093                                     (length expunged))))))
2094       (if (and crossed (> crossed 0))
2095           (setq mes
2096                 (if mes
2097                     (concat mes
2098                             (format " (%d crosspost)" crossed))
2099                   (format "%d crosspost message(s)" crossed)))
2100         (and mes (setq mes (concat mes "."))))
2101       ;; Update Folder mode
2102       (wl-folder-set-folder-updated
2103        (elmo-folder-name-internal folder)
2104        (list 0
2105              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
2106              (elmo-folder-length folder)))
2107       (wl-summary-update-modeline)
2108       ;;
2109       (unless unset-cursor
2110         (goto-char (point-min))
2111         (if (not (wl-summary-cursor-down t))
2112             (progn
2113               (goto-char (point-max))
2114               (forward-line -1))
2115           (when (and wl-summary-highlight
2116                      (not wl-summary-lazy-highlight)
2117                      (not (get-text-property (point) 'face)))
2118             (save-excursion
2119               (forward-line (- 0
2120                                (or
2121                                 wl-summary-partial-highlight-above-lines
2122                                 wl-summary-highlight-partial-threshold)))
2123               (wl-highlight-summary (point) (point-max))))))
2124       (wl-delete-all-overlays)
2125       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2126       (set-buffer-modified-p nil)
2127       (if mes (message "%s" mes)))))
2128
2129 (defun wl-summary-set-score-mark (mark)
2130   (save-excursion
2131     (beginning-of-line)
2132     (let ((cur-mark (wl-summary-temp-mark)))
2133       (when (member cur-mark (list " "
2134                                    wl-summary-score-below-mark
2135                                    wl-summary-score-over-mark))
2136         (wl-summary-put-temp-mark mark)
2137         (if wl-summary-highlight
2138             (wl-highlight-summary-current-line))
2139         (set-buffer-modified-p nil)))))
2140
2141 (defun wl-summary-get-score-mark (msg-num)
2142   (let ((score (cdr (assq msg-num wl-summary-scored))))
2143     (if score
2144         (cond ((< score wl-summary-default-score)
2145                "-")
2146               ((> score wl-summary-default-score)
2147                "+")))))
2148
2149 (defun wl-summary-update-modeline ()
2150   (setq wl-summary-buffer-mode-line
2151         (funcall wl-summary-buffer-mode-line-formatter)))
2152
2153 (defun wl-summary-jump-to-msg (&optional number beg end)
2154   (interactive "NJump to Message (No.): ")
2155   (when number
2156     (let ((pos (point))
2157           regexp)
2158       (setq regexp (concat "\r" (int-to-string number) "[^0-9]"))
2159       (if (and beg end (or (< pos beg) (< end pos)))
2160           (progn
2161             (goto-char beg)
2162             (if (re-search-forward regexp end t)
2163                 (progn (backward-char 1) (beginning-of-line) t)
2164               (goto-char pos)
2165               nil))
2166         (beginning-of-line)
2167         (if (or (and (re-search-forward regexp end t)
2168                      (progn (backward-char 1) t))
2169                 (re-search-backward regexp beg t))
2170             (progn (beginning-of-line) t)
2171           nil)))))
2172
2173 (defun wl-summary-highlight-msgs (msgs)
2174   (save-excursion
2175     (let ((len (length msgs))
2176           i)
2177       (message "Hilighting...")
2178       (setq i 0)
2179       (while msgs
2180         (if (wl-summary-jump-to-msg (car msgs))
2181             (wl-highlight-summary-current-line))
2182         (setq msgs (cdr msgs))
2183         (when (> len elmo-display-progress-threshold)
2184           (setq i (+ i 1))
2185           (if (or (zerop (% i 5)) (= i len))
2186               (elmo-display-progress
2187                'wl-summary-highlight-msgs "Highlighting..."
2188                (/ (* i 100) len)))))
2189       (message "Highlighting...done"))))
2190
2191 (defun wl-summary-message-number ()
2192   (save-excursion
2193     (beginning-of-line)
2194     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2195             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2196         (string-to-int (wl-match-buffer 1))
2197       nil)))
2198
2199 (defun wl-summary-delete-all-msgs ()
2200   (interactive)
2201   (let ((cur-buf (current-buffer))
2202         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2203     (set-buffer cur-buf)
2204     (if (null dels)
2205         (message "No message to delete.")
2206       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2207                             (wl-summary-buffer-folder-name)
2208                             (length dels)))
2209           (progn
2210             (message "Deleting...")
2211             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2212                                        'null)
2213             (wl-summary-set-message-modified)
2214             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2215                                           (list 0 0 0))
2216 ;;; for thread.
2217 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2218             (setq wl-summary-buffer-unread-count 0)
2219             (setq wl-summary-buffer-new-count    0)
2220             (wl-summary-update-modeline)
2221             (set-buffer cur-buf)
2222             (let ((inhibit-read-only t)
2223                   (buffer-read-only nil))
2224               (erase-buffer))
2225 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2226             (message "Deleting...done")
2227             t)
2228         nil))))
2229
2230 (defun wl-summary-toggle-thread (&optional arg)
2231   "Toggle thread status (T)hread and (S)equential.
2232 If ARG, without confirm."
2233   (interactive "P")
2234   (when (or arg
2235             (y-or-n-p (format "Toggle threading? (y=%s): "
2236                               (if (eq wl-summary-buffer-view 'thread)
2237                                   "\"off\"" "\"on\""))))
2238     (if (eq wl-summary-buffer-view 'thread)
2239         (setq wl-summary-buffer-view 'sequence)
2240       (setq wl-summary-buffer-view 'thread))
2241     (wl-summary-update-modeline)
2242     (force-mode-line-update)
2243     (wl-summary-rescan nil nil nil t)))
2244
2245 (defun wl-summary-load-file-object (filename)
2246   "Load lisp object from dir."
2247   (with-temp-buffer
2248     (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
2249           insert-file-contents-post-hook
2250           ret-val)
2251       (if (not (file-readable-p filename))
2252           ()
2253         (as-binary-input-file (insert-file-contents filename))
2254         (condition-case nil
2255             (read (current-buffer))
2256           (error (error "Reading failed")))))))
2257
2258 (defun wl-summary-goto-folder (&optional arg)
2259   (interactive "P")
2260   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2261
2262 (defun wl-summary-goto-folder-sticky ()
2263   (interactive)
2264   (wl-summary-goto-folder-subr nil nil nil t t))
2265
2266 (defun wl-summary-goto-last-visited-folder ()
2267   (interactive)
2268   (let ((entity
2269          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2270                                           wl-folder-entity
2271                                           'folder)))
2272     (if entity (wl-folder-set-current-entity-id
2273                 (wl-folder-get-entity-id entity))))
2274   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2275
2276 (defun wl-summary-sticky-p (&optional folder)
2277   (if folder
2278       (get-buffer (wl-summary-sticky-buffer-name
2279                    (elmo-folder-name-internal folder)))
2280     (not (string= wl-summary-buffer-name (buffer-name)))))
2281
2282 (defun wl-summary-always-sticky-folder-p (folder)
2283   (or (eq t wl-summary-always-sticky-folder-list)
2284       (wl-string-match-member
2285        (elmo-folder-name-internal folder)
2286        wl-summary-always-sticky-folder-list)))
2287
2288 (defun wl-summary-stick (&optional force)
2289   "Make current summary buffer sticky."
2290   (interactive "P")
2291   (if (wl-summary-sticky-p)
2292       (message "Current summary buffer is already sticky.")
2293     (when (or force (y-or-n-p "Stick current summary buffer? "))
2294       (wl-summary-toggle-disp-msg 'off)
2295       (wl-summary-switch-to-clone-buffer
2296        (wl-summary-sticky-buffer-name
2297         (wl-summary-buffer-folder-name)))
2298 ;;; ???hang up
2299 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2300 ;;;                   (wl-summary-buffer-folder-name))))
2301       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2302
2303 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2304   (let ((cur-buf (current-buffer))
2305         (msg (wl-summary-message-number))
2306         (buf (get-buffer-create buffer-name))
2307         (folder wl-summary-buffer-elmo-folder)
2308         (copy-variables
2309          (append '(wl-summary-buffer-view
2310                    wl-summary-buffer-temp-mark-list
2311                    wl-summary-buffer-target-mark-list
2312                    wl-summary-buffer-elmo-folder
2313                    wl-summary-buffer-number-column
2314                    wl-summary-buffer-temp-mark-column
2315                    wl-summary-buffer-persistent-mark-column
2316                    wl-summary-buffer-message-modified
2317                    wl-summary-buffer-thread-modified
2318                    wl-summary-buffer-number-list
2319                    wl-summary-buffer-persistent-mark-version
2320                    wl-summary-buffer-folder-name
2321                    wl-summary-buffer-line-formatter)
2322                  (and (eq wl-summary-buffer-view 'thread)
2323                       '(wl-thread-entity-hashtb
2324                         wl-thread-entities
2325                         wl-thread-entity-list))
2326                  (and wl-use-scoring
2327                       '(wl-summary-scored
2328                         wl-summary-default-score
2329                         wl-summary-important-above
2330                         wl-summary-target-above
2331                         wl-summary-mark-below
2332                         wl-summary-expunge-below))
2333                  (and (featurep 'wl-score)
2334                       '(wl-current-score-file
2335                         wl-score-alist)))))
2336     (set-buffer buf)
2337     (wl-summary-mode)
2338     (wl-summary-buffer-set-folder folder)
2339     (let ((buffer-read-only nil))
2340       (insert-buffer cur-buf))
2341     (set-buffer-modified-p nil)
2342     (while copy-variables
2343       (set (car copy-variables)
2344            (save-excursion
2345              (set-buffer cur-buf)
2346              (symbol-value (car copy-variables))))
2347       (setq copy-variables (cdr copy-variables)))
2348     (switch-to-buffer buf)
2349     (kill-buffer cur-buf)
2350     (wl-summary-count-unread)
2351     (wl-summary-update-modeline)
2352     (if msg
2353         (if (eq wl-summary-buffer-view 'thread)
2354             (wl-thread-jump-to-msg msg)
2355           (wl-summary-jump-to-msg msg))
2356       (goto-char (point-max))
2357       (beginning-of-line))))
2358
2359 (defun wl-summary-get-buffer (folder)
2360   (or (and folder
2361            (get-buffer (wl-summary-sticky-buffer-name folder)))
2362       (get-buffer wl-summary-buffer-name)))
2363
2364 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2365   (if force-sticky
2366       (get-buffer-create
2367        (wl-summary-sticky-buffer-name name))
2368     (or (get-buffer (wl-summary-sticky-buffer-name name))
2369         (get-buffer-create wl-summary-buffer-name))))
2370
2371 (defun wl-summary-make-number-list ()
2372   (save-excursion
2373     (goto-char (point-min))
2374     (setq wl-summary-buffer-number-list nil)
2375     (while (not (eobp))
2376       (setq wl-summary-buffer-number-list
2377             (cons (wl-summary-message-number)
2378                   wl-summary-buffer-number-list))
2379       (forward-line 1))
2380     (setq wl-summary-buffer-number-list
2381           (nreverse wl-summary-buffer-number-list))))
2382
2383 (defun wl-summary-auto-select-msg-p (unread-msg)
2384   (and unread-msg
2385        (not (elmo-message-has-global-flag-p
2386              wl-summary-buffer-elmo-folder unread-msg))))
2387
2388 (defsubst wl-summary-open-folder (folder)
2389   ;; Select folder
2390   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2391     (unwind-protect
2392         (elmo-folder-open folder 'load-msgdb)
2393       ;; For compatibility
2394       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2395                                            folder)))))
2396
2397 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2398                                               sticky interactive scoring
2399                                               force-exit)
2400   "Display target folder on summary."
2401   (interactive)
2402   (let* ((keep-cursor (memq this-command
2403                             wl-summary-keep-cursor-command))
2404          (name (or name (wl-summary-read-folder wl-default-folder)))
2405          (cur-fld wl-summary-buffer-elmo-folder)
2406          folder buf mes hilit reuse-buf
2407          retval entity)
2408     (if (string= name "")
2409         (setq name wl-default-folder))
2410     (setq folder (wl-folder-get-elmo-folder name))
2411     (when (and (not (string=
2412                      (and cur-fld (elmo-folder-name-internal cur-fld))
2413                      (elmo-folder-name-internal folder))) ; folder is moved.
2414                (eq major-mode 'wl-summary-mode)) ; called in summary.
2415       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2416       (run-hooks 'wl-summary-exit-pre-hook)
2417       (if (or force-exit (not (wl-summary-sticky-p)))
2418           (wl-summary-cleanup-temp-marks))
2419       (wl-summary-save-view)
2420       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2421       (if (and (wl-summary-sticky-p) force-exit)
2422           (kill-buffer (current-buffer))))
2423     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2424                                             sticky))
2425     (setq reuse-buf
2426           (save-excursion
2427             (set-buffer buf)
2428             (string= (elmo-folder-name-internal folder)
2429                      (wl-summary-buffer-folder-name))))
2430     (unwind-protect
2431         (if reuse-buf
2432             (if interactive
2433                 (switch-to-buffer buf)
2434               (set-buffer buf))
2435           (if other-window
2436               (delete-other-windows))
2437           (set-buffer buf)
2438           (unless (eq major-mode 'wl-summary-mode)
2439             (wl-summary-mode))
2440           (wl-summary-buffer-set-folder folder)
2441           (setq wl-summary-buffer-display-mime-mode
2442                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2443                     'as-is
2444                   'mime))
2445           (setq wl-summary-buffer-disp-msg nil)
2446           (setq wl-summary-buffer-last-displayed-msg nil)
2447           (setq wl-summary-buffer-current-msg nil)
2448           (setq wl-summary-buffer-persistent-mark-version 0)
2449           (let ((inhibit-read-only t)
2450                 (buffer-read-only nil))
2451             (erase-buffer)
2452             ;; Resume summary view
2453             (if wl-summary-cache-use
2454                 (let* ((dir (elmo-folder-msgdb-path folder))
2455                        (cache (expand-file-name wl-summary-cache-file dir))
2456                        (view (expand-file-name wl-summary-view-file dir)))
2457                   (when (file-exists-p cache)
2458                     (insert-file-contents-as-binary cache)
2459                     (set-buffer-multibyte
2460                      default-enable-multibyte-characters)
2461                     (decode-mime-charset-region
2462                      (point-min)(point-max)
2463                      wl-summary-buffer-mime-charset 'LF))
2464                   (if (file-exists-p view)
2465                       (setq wl-summary-buffer-view
2466                             (wl-summary-load-file-object view))
2467                     (setq wl-summary-buffer-view
2468                           (or (wl-get-assoc-list-value
2469                                wl-summary-default-view-alist
2470                                (elmo-folder-name-internal folder))
2471                               wl-summary-default-view)))
2472                   (wl-thread-resume-entity folder)
2473                   (wl-summary-open-folder folder)
2474                   (wl-summary-detect-mark-position))
2475               (setq wl-summary-buffer-view
2476                     (wl-summary-load-file-object
2477                      (expand-file-name wl-summary-view-file
2478                                        (elmo-folder-msgdb-path folder))))
2479               (wl-summary-open-folder folder)
2480               (wl-summary-detect-mark-position)
2481               (wl-summary-rescan))
2482             (wl-summary-count-unread)
2483             (wl-summary-update-modeline)))
2484       (unless (eq wl-summary-buffer-view 'thread)
2485         (wl-summary-make-number-list))
2486       (when (and wl-summary-cache-use
2487                  (or (and wl-summary-check-line-format
2488                           (wl-summary-line-format-changed-p))
2489                      (wl-summary-view-old-p)))
2490         (wl-summary-rescan))
2491       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2492       (unless (and reuse-buf keep-cursor)
2493         (unwind-protect
2494             (let ((wl-use-scoring
2495                    (if (or scoring interactive) wl-use-scoring)))
2496               (if (and (not scan-type)
2497                        interactive
2498                        (not wl-ask-range))
2499                   (setq scan-type (wl-summary-get-sync-range folder)))
2500               (cond
2501                ((eq scan-type nil)
2502                 (wl-summary-sync 'unset-cursor))
2503                ((eq scan-type 'all)
2504                 (wl-summary-sync 'unset-cursor "all"))
2505                ((eq scan-type 'no-sync))
2506                ((eq scan-type 'rescan)
2507                 (wl-summary-rescan))
2508                ((or (eq scan-type 'force-update)
2509                     (eq scan-type 'update))
2510                 (setq mes (wl-summary-sync-force-update
2511                            'unset-cursor)))))
2512           (if interactive
2513               (switch-to-buffer buf)
2514             (set-buffer buf))
2515           ;; stick always-sticky-folder
2516           (when (wl-summary-always-sticky-folder-p folder)
2517             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2518           (run-hooks 'wl-summary-prepared-pre-hook)
2519           (set-buffer-modified-p nil)
2520           (goto-char (point-min))
2521           (if (wl-summary-cursor-down t)
2522               (let ((unreadp (wl-summary-next-message
2523                               (wl-summary-message-number)
2524                               'down t)))
2525                 (cond ((and wl-auto-select-first
2526                             (wl-summary-auto-select-msg-p unreadp))
2527                        ;; wl-auto-select-first is non-nil and
2528                        ;; unreadp is non-nil but not flagged
2529                        (setq retval 'disp-msg))
2530                       ((and wl-auto-prefetch-first
2531                             (wl-summary-auto-select-msg-p unreadp))
2532                        ;; wl-auto-select-first is non-nil and
2533                        ;; unreadp is non-nil but not flagged
2534                        (setq retval 'prefetch-msg))
2535                       ((not (wl-summary-auto-select-msg-p unreadp))
2536                        ;; unreadp is nil or flagged
2537                        (setq retval 'more-next))))
2538             (goto-char (point-max))
2539             (if (elmo-folder-plugged-p folder)
2540                 (forward-line -1)
2541               (wl-summary-prev))
2542             (setq retval 'more-next))
2543           (if (and wl-summary-highlight
2544                    (not wl-summary-lazy-highlight)
2545                    (not reuse-buf))
2546               (if (and wl-summary-highlight-partial-threshold
2547                        (> (count-lines (point-min) (point-max))
2548                           wl-summary-highlight-partial-threshold))
2549                   (save-excursion
2550                     (forward-line (-
2551                                    0
2552                                    (or
2553                                     wl-summary-partial-highlight-above-lines
2554                                     wl-summary-highlight-partial-threshold)))
2555                     (wl-highlight-summary (point) (point-max)))
2556                 (wl-highlight-summary (point-min) (point-max))))
2557           (if (eq retval 'disp-msg)
2558               (wl-summary-redisplay))
2559           (if (eq retval 'prefetch-msg)
2560               (wl-message-buffer-prefetch
2561                folder
2562                (wl-summary-message-number)
2563                (min (or wl-message-buffer-prefetch-depth 0)
2564                     (1- wl-message-buffer-cache-size))
2565                (current-buffer)
2566                wl-summary-buffer-mime-charset))
2567           (if mes (message "%s" mes))
2568           (if (and interactive wl-summary-recenter)
2569               (recenter (/ (- (window-height) 2) 2))))))
2570     ;; set current entity-id
2571     (when (and folder
2572                (setq entity
2573                      (wl-folder-search-entity-by-name
2574                       (elmo-folder-name-internal folder)
2575                       wl-folder-entity
2576                       'folder)))
2577       ;; entity-id is unknown.
2578       (wl-folder-set-current-entity-id
2579        (wl-folder-get-entity-id entity)))
2580     (when (and wl-summary-buffer-window-scroll-functions
2581                wl-on-xemacs)
2582       (sit-for 0))
2583     (when (or (eq t wl-summary-force-prefetch-folder-list)
2584               (wl-string-match-member
2585                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2586                wl-summary-force-prefetch-folder-list))
2587       (wl-summary-force-prefetch))
2588     (unwind-protect
2589         (run-hooks 'wl-summary-prepared-hook)
2590       (set-buffer-modified-p nil))
2591     retval))
2592
2593 (defun wl-summary-goto-previous-message-beginning ()
2594   (end-of-line)
2595   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2596   (beginning-of-line))
2597
2598 (defun wl-summary-goto-top-of-current-thread ()
2599   (wl-summary-jump-to-msg
2600    (wl-thread-entity-get-number
2601     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2602                                       (wl-summary-message-number))))))
2603
2604 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2605   (interactive)
2606   (let ((depth (or depth
2607                    (wl-thread-get-depth-of-current-line))))
2608     (forward-line 1)
2609     (while (and (not (eobp))
2610                 (>= (wl-thread-get-depth-of-current-line)
2611                     depth))
2612       (forward-line 1))
2613     (beginning-of-line)))
2614
2615 (defun wl-summary-insert-line (line)
2616   "Insert LINE in the Summary."
2617   (if wl-use-highlight-mouse-line
2618       ;; remove 'mouse-face of current line.
2619       (put-text-property
2620        (save-excursion (beginning-of-line)(point))
2621        (save-excursion (end-of-line)(point))
2622        'mouse-face nil))
2623   (insert line "\n")
2624   (save-excursion
2625     (forward-line -1)
2626     (let* ((number (wl-summary-message-number))
2627            (mark-info (wl-summary-registered-temp-mark number)))
2628       (when (and mark-info (nth 2 mark-info))
2629         (wl-summary-print-argument number (nth 2 mark-info)))))
2630   (if wl-use-highlight-mouse-line
2631       ;; remove 'mouse-face of current line.
2632       (put-text-property
2633        (save-excursion (beginning-of-line)(point))
2634        (save-excursion (end-of-line)(point))
2635        'mouse-face nil))
2636   (ignore-errors
2637     (run-hooks 'wl-summary-line-inserted-hook)))
2638
2639 (defun wl-summary-insert-sequential (entity folder &rest args)
2640   (when entity
2641     (let ((inhibit-read-only t)
2642           (number (elmo-message-entity-number entity))
2643           buffer-read-only)
2644       (goto-char (point-max))
2645       (wl-summary-insert-line
2646        (wl-summary-create-line entity nil nil
2647                                (elmo-message-flags
2648                                 wl-summary-buffer-elmo-folder
2649                                 number)
2650                                (elmo-message-cached-p
2651                                 wl-summary-buffer-elmo-folder
2652                                 number)))
2653       (setq wl-summary-buffer-number-list
2654             (wl-append wl-summary-buffer-number-list
2655                        (list (elmo-message-entity-number entity))))
2656       nil)))
2657
2658 (defun wl-summary-default-subject-filter (subject)
2659   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2660   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2661   (elmo-replace-in-string subject "^\\[[^]]*\\]" ""))
2662
2663 (defun wl-summary-subject-equal (subject1 subject2)
2664   (string= (funcall wl-summary-subject-filter-function subject1)
2665            (funcall wl-summary-subject-filter-function subject2)))
2666
2667 (defmacro wl-summary-put-alike (alike)
2668   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2669                         (, alike)
2670                         wl-summary-alike-hashtb)))
2671
2672 (defmacro wl-summary-get-alike ()
2673   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2674                         wl-summary-alike-hashtb)))
2675
2676 (defun wl-summary-insert-headers (folder func &optional mime-decode)
2677   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2678         ov this last alike)
2679     (buffer-disable-undo (current-buffer))
2680     (make-local-variable 'wl-summary-alike-hashtb)
2681     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2682     (when mime-decode
2683       (set-buffer-multibyte default-enable-multibyte-characters))
2684     (while (setq ov (elmo-message-entity folder (pop numbers)))
2685       (setq this (funcall func ov))
2686       (and this (setq this (std11-unfold-string this)))
2687       (if (equal last this)
2688           (setq alike (cons ov alike))
2689         (when last
2690           (wl-summary-put-alike alike)
2691           (insert last ?\n))
2692         (setq alike (list ov)
2693               last this)))
2694     (when last
2695       (wl-summary-put-alike alike)
2696       (insert last ?\n))
2697     (when mime-decode
2698       (decode-mime-charset-region (point-min) (point-max)
2699                                   elmo-mime-charset)
2700       (when (eq mime-decode 'mime)
2701         (eword-decode-region (point-min) (point-max))))
2702     (run-hooks 'wl-summary-insert-headers-hook)))
2703
2704 (defun wl-summary-search-by-subject (entity folder)
2705   (let ((summary-buf (current-buffer))
2706         (buf (get-buffer-create wl-summary-search-buf-name))
2707         (folder-name (wl-summary-buffer-folder-name))
2708         match founds result)
2709     (with-current-buffer buf
2710       (let ((case-fold-search t))
2711         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2712                   (zerop (buffer-size)))
2713           (setq wl-summary-search-buf-folder-name folder-name)
2714           (message "Creating subject cache...")
2715           (wl-summary-insert-headers
2716            folder
2717            (function
2718             (lambda (x)
2719               (funcall wl-summary-subject-filter-function
2720                        (elmo-message-entity-field x 'subject)))))
2721           (message "Creating subject cache...done"))
2722         (setq match (funcall wl-summary-subject-filter-function
2723                              (elmo-message-entity-field entity 'subject)))
2724         (if (string= match "")
2725             (setq match "\n"))
2726         (goto-char (point-max))
2727         (while (and (null result)
2728                     (not (= (point) (point-min)))
2729                     (search-backward match nil t))
2730           ;; check exactly match
2731           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2732             (setq founds (wl-summary-get-alike))
2733             (with-current-buffer summary-buf
2734               (while founds
2735                 (when (and
2736                        ;; the first element of found-entity list exists on
2737                        ;; thread tree.
2738                        (wl-thread-get-entity
2739                         (elmo-message-entity-number (car founds)))
2740                        ;; message id is not same as myself.
2741                        (not (string=
2742                              (elmo-message-entity-field entity 'message-id)
2743                              (elmo-message-entity-field (car founds)
2744                                                         'message-id)))
2745                        ;; not a descendant.
2746                        (not (wl-thread-descendant-p
2747                              (elmo-message-entity-number entity)
2748                              (elmo-message-entity-number (car founds)))))
2749                   (setq result (car founds)
2750                         founds nil))
2751                 (setq founds (cdr founds))))))
2752         result))))
2753
2754 (defun wl-summary-insert-thread (entity folder update
2755                                         &optional force-insert)
2756   (let ((depth 0)
2757         this-id parent-entity parent-number
2758         number cur-entity linked retval delayed-entity
2759         update-list entity-stack thread-entity)
2760     (while entity
2761       (setq this-id (elmo-message-entity-field entity 'message-id)
2762             number (elmo-message-entity-number entity))
2763       (if (and wl-thread-saved-entity-hashtb-internal
2764                (setq thread-entity
2765                      (elmo-get-hash-val
2766                       (format "#%d" (elmo-message-entity-number entity))
2767                       wl-thread-saved-entity-hashtb-internal)))
2768           (setq parent-entity
2769                 (elmo-message-entity
2770                  folder
2771                  (wl-thread-entity-get-parent thread-entity))
2772                 linked (wl-thread-entity-get-linked thread-entity))
2773         (setq parent-entity (elmo-message-entity-parent folder entity)
2774               linked nil))
2775       (setq parent-number (and parent-entity
2776                                (elmo-message-entity-number parent-entity)))
2777       ;; If thread loop detected, set parent as nil.
2778       (let ((cur entity)
2779             anumber relatives)
2780         (while cur
2781           (when (setq anumber
2782                       (elmo-message-entity-number
2783                        (setq cur (elmo-message-entity-parent folder cur))))
2784             (if (memq anumber relatives)
2785                 (setq parent-number nil
2786                       cur nil))
2787             (setq relatives (cons anumber relatives)))))
2788       (if (and parent-number
2789                (not (wl-thread-get-entity parent-number))
2790                (not force-insert))
2791           ;; parent exists in overview, but not in wl-thread-entities
2792           (progn
2793             (wl-append wl-summary-delayed-update
2794                        (list (cons parent-number entity)))
2795             (setq entity nil)) ;; exit loop
2796         ;; Search parent by subject.
2797         (when (and (null parent-number)
2798                    wl-summary-search-parent-by-subject-regexp
2799                    (string-match
2800                     wl-summary-search-parent-by-subject-regexp
2801                     (elmo-message-entity-field entity 'subject)))
2802           (let ((found (wl-summary-search-by-subject entity folder)))
2803             (when (and found
2804                        (not (member found wl-summary-delayed-update)))
2805               (setq parent-entity found)
2806               (setq parent-number
2807                     (elmo-message-entity-number parent-entity))
2808               (setq linked t))))
2809         ;; If subject is change, divide thread.
2810         (if (and parent-number
2811                  wl-summary-divide-thread-when-subject-changed
2812                  (not (wl-summary-subject-equal
2813                        (or (elmo-message-entity-field entity 'subject) "")
2814                        (or (elmo-message-entity-field parent-entity
2815                                                       'subject) ""))))
2816             (setq parent-number nil))
2817         (setq retval
2818               (wl-thread-insert-message entity
2819                                         number parent-number update linked))
2820         (and retval
2821              (wl-append update-list (list retval)))
2822         (setq entity nil) ; exit loop
2823         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2824           (setq wl-summary-delayed-update
2825                 (delq delayed-entity wl-summary-delayed-update))
2826           ;; update delayed message
2827           (wl-append entity-stack (list (cdr delayed-entity)))))
2828       (if (and (not entity)
2829                entity-stack)
2830           (setq entity (pop entity-stack))))
2831     update-list))
2832
2833 (defun wl-summary-update-thread (entity
2834                                  thr-entity
2835                                  parent-entity)
2836   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2837          (overview-entity entity)
2838          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2839          (number (elmo-message-entity-number entity))
2840          (parent-number (elmo-message-entity-number parent-entity))
2841          insert-line)
2842     (cond
2843      ((or (not parent-id)
2844           (string= this-id parent-id))
2845       (goto-char (point-max))
2846       (beginning-of-line)
2847       (setq insert-line t))
2848      ;; parent already exists in buffer.
2849      ((wl-summary-jump-to-msg parent-number)
2850       (wl-thread-goto-bottom-of-sub-thread)
2851       (setq insert-line t)))
2852     (when insert-line
2853       (let (buffer-read-only)
2854         (wl-summary-insert-line
2855          (wl-summary-create-line
2856           entity
2857           parent-entity
2858           nil
2859           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2860           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2861           (wl-thread-maybe-get-children-num number)
2862           (wl-thread-make-indent-string thr-entity)
2863           (wl-thread-entity-get-linked thr-entity)))))))
2864
2865 (defun wl-summary-target-mark-msgs (msgs)
2866   "Return the number of marked messages."
2867   (let ((i 0))
2868     (dolist (number msgs)
2869       (when (wl-summary-target-mark number)
2870         (setq i (1+ i))))
2871     i))
2872
2873 (defun wl-summary-pick (&optional from-list delete-marks)
2874   (interactive "i\nP")
2875   (save-excursion
2876     (let* ((messages (or from-list
2877                          (elmo-folder-list-messages
2878                           wl-summary-buffer-elmo-folder
2879                           'visible
2880                           'in-msgdb)
2881                          (error "No messages")))
2882            (condition (car (elmo-parse-search-condition
2883                             (wl-read-search-condition
2884                              wl-summary-pick-field-default))))
2885            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2886                                        condition
2887                                        messages))
2888            num)
2889       (if delete-marks
2890           (let ((mlist wl-summary-buffer-target-mark-list))
2891             (while mlist
2892               (when (wl-summary-jump-to-msg (car mlist))
2893                 (wl-summary-unmark))
2894               (setq mlist (cdr mlist)))
2895             (setq wl-summary-buffer-target-mark-list nil)))
2896       (if (and result
2897                (setq num (wl-summary-target-mark-msgs result))
2898                (> num 0))
2899           (if (= num (length result))
2900               (message "%d message(s) are picked." num)
2901             (message "%d(%d) message(s) are picked." num
2902                      (- (length result) num)))
2903         (message "No message was picked.")))))
2904
2905 (defun wl-summary-unvirtual ()
2906   "Exit from current virtual folder."
2907   (interactive)
2908   (if (eq 'filter
2909           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2910       (wl-summary-goto-folder-subr
2911        (elmo-folder-name-internal
2912         (elmo-filter-folder-target-internal
2913          wl-summary-buffer-elmo-folder))
2914        'update nil nil t)
2915     (error "This folder is not filtered")))
2916
2917 (defun wl-summary-virtual (&optional arg)
2918   "Goto virtual folder.
2919 If ARG, exit virtual folder."
2920   (interactive "P")
2921   (if arg
2922       (wl-summary-unvirtual)
2923     (wl-summary-goto-folder-subr (concat "/"
2924                                          (wl-read-search-condition
2925                                           wl-summary-pick-field-default)
2926                                          "/"
2927                                          (wl-summary-buffer-folder-name))
2928                                  'update nil nil t)
2929     (run-hooks 'wl-summary-virtual-hook)))
2930
2931 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2932   "Erase all temp marks from buffer."
2933   (interactive)
2934   (when (or wl-summary-buffer-target-mark-list
2935             wl-summary-buffer-temp-mark-list
2936             wl-summary-scored)
2937     (save-excursion
2938       (goto-char (point-min))
2939       (unless no-msg
2940         (message "Unmarking..."))
2941       (while (not (eobp))
2942         (wl-summary-unset-mark nil nil force)
2943         (forward-line 1))
2944       (unless no-msg
2945         (message "Unmarking...done"))
2946       (setq wl-summary-buffer-target-mark-list nil)
2947       (setq wl-summary-buffer-temp-mark-list nil))))
2948
2949 (defsubst wl-summary-temp-mark (&optional number)
2950   "Return temp-mark string of current line."
2951   (let ((number (or number (wl-summary-message-number)))
2952         info)
2953     (or (and (wl-summary-have-target-mark-p number)
2954              "*")
2955         (and (setq info (wl-summary-registered-temp-mark number))
2956              (nth 1 info))
2957         (wl-summary-get-score-mark number)
2958         " ")))
2959
2960 (defun wl-summary-persistent-mark-invalid-p ()
2961   (not
2962    (equal
2963     ;; mey be nil.
2964     (get-text-property (point) 'wl-summary-persistent-mark-version)
2965     wl-summary-buffer-persistent-mark-version)))
2966
2967 (defun wl-summary-validate-persistent-mark (beg end)
2968   (let ((inhibit-read-only t)
2969         (buffer-read-only nil))
2970     (put-text-property beg end
2971                        'wl-summary-persistent-mark-version
2972                        wl-summary-buffer-persistent-mark-version)
2973     (set-buffer-modified-p nil)))
2974
2975 (defun wl-summary-validate-persistent-mark-string (string)
2976   (put-text-property 0 (length string)
2977                      'wl-summary-persistent-mark-version
2978                      wl-summary-buffer-persistent-mark-version
2979                      string))
2980
2981 (defun wl-summary-invalidate-persistent-mark ()
2982   (setq wl-summary-buffer-persistent-mark-version
2983         (1+ wl-summary-buffer-persistent-mark-version)))
2984
2985 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2986   "Return the persistent mark string.
2987 The mark is decided according to the FOLDER, FLAGS and CACHED."
2988   (let ((priorities wl-summary-persistent-mark-priority-list)
2989         mark)
2990     (while (and (null mark) priorities)
2991       (if (and (eq (car priorities) 'flag)
2992                (elmo-get-global-flags flags 'ignore-preserved))
2993           (let ((specs wl-summary-flag-alist)
2994                 spec)
2995             (while (setq spec (car specs))
2996               (if (memq (car spec) flags)
2997                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2998                         specs nil)
2999                 (setq specs (cdr specs))))
3000             (unless mark
3001               (setq mark wl-summary-flag-mark)))
3002         (when (memq (car priorities) flags)
3003           (setq mark
3004                 (let ((var
3005                        (intern
3006                         (if cached
3007                             (format
3008                              "wl-summary-%s-cached-mark" (car priorities))
3009                           (format
3010                            "wl-summary-%s-uncached-mark" (car priorities))))))
3011                   (if (and (boundp var)
3012                            (symbol-value var))
3013                       (symbol-value var)
3014                     (if cached
3015                         (downcase (substring (symbol-name (car priorities))
3016                                              0 1))
3017                       (upcase (substring (symbol-name (car priorities))
3018                                          0 1))))))))
3019       (setq priorities (cdr priorities)))
3020     (or mark
3021         (if (or cached (elmo-folder-local-p folder))
3022             nil
3023           wl-summary-uncached-mark))))
3024
3025 (defsubst wl-summary-message-mark (folder number &optional flags)
3026   "Return mark of the message."
3027   (ignore-errors
3028     (wl-summary-persistent-mark-string
3029      folder
3030      (or flags (setq flags (elmo-message-flags folder number)))
3031      (memq 'cached flags) ; XXX for speed-up.
3032      )))
3033
3034 (defsubst wl-summary-persistent-mark (&optional number flags)
3035   "Return persistent-mark string of current line."
3036   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
3037                                (or number (wl-summary-message-number))
3038                                flags)
3039       " "))
3040
3041 (defun wl-summary-put-temp-mark (mark)
3042   "Put temp MARK on current line."
3043   (when wl-summary-buffer-temp-mark-column
3044     (save-excursion
3045       (beginning-of-line)
3046       (let ((inhibit-read-only t)
3047             (buffer-read-only nil))
3048         (move-to-column wl-summary-buffer-temp-mark-column)
3049         (delete-backward-char 1)
3050         (insert mark)))))
3051
3052 (defun wl-summary-next-buffer ()
3053   "Switch to next summary buffer."
3054   (interactive)
3055   (let ((buffers (sort (wl-collect-summary)
3056                        (lambda (buffer1 buffer2)
3057                          (string-lessp (buffer-name buffer1)
3058                                        (buffer-name buffer2))))))
3059     (switch-to-buffer
3060      (or (cadr (memq (current-buffer) buffers))
3061          (car buffers)))))
3062
3063 (defun wl-summary-previous-buffer ()
3064   "Switch to previous summary buffer."
3065   (interactive)
3066   (let ((buffers (sort (wl-collect-summary)
3067                        (lambda (buffer1 buffer2)
3068                          (not (string-lessp (buffer-name buffer1)
3069                                             (buffer-name buffer2)))))))
3070     (switch-to-buffer
3071      (or (cadr (memq (current-buffer) buffers))
3072          (car buffers)))))
3073
3074 (defun wl-summary-check-target-mark ()
3075   (when (null wl-summary-buffer-target-mark-list)
3076     (error "No marked message")))
3077
3078 (defun wl-summary-target-mark-mark-as-read ()
3079   (interactive)
3080   (wl-summary-check-target-mark)
3081   (save-excursion
3082     (goto-char (point-min))
3083     (let ((inhibit-read-only t)
3084           (buffer-read-only nil)
3085           wl-summary-buffer-disp-msg)
3086       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
3087       (dolist (number wl-summary-buffer-target-mark-list)
3088         (wl-summary-unset-mark number)))))
3089
3090 (defun wl-summary-target-mark-mark-as-unread ()
3091   (interactive)
3092   (wl-summary-check-target-mark)
3093   (save-excursion
3094     (goto-char (point-min))
3095     (let ((inhibit-read-only t)
3096           (buffer-read-only nil)
3097           wl-summary-buffer-disp-msg)
3098       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
3099       (dolist (number wl-summary-buffer-target-mark-list)
3100         (wl-summary-unset-mark number)))))
3101
3102 (defun wl-summary-target-mark-operation (flag &optional inverse)
3103   (wl-summary-check-target-mark)
3104   (save-excursion
3105     (let ((inhibit-read-only t)
3106           (buffer-read-only nil)
3107           wl-summary-buffer-disp-msg)
3108       (funcall
3109        (intern (format "wl-summary-mark-as-%s-internal" flag))
3110        inverse
3111        wl-summary-buffer-target-mark-list)
3112       (wl-summary-delete-all-target-marks))))
3113
3114 (defun wl-summary-target-mark-mark-as-important (&optional remove)
3115   (interactive "P")
3116   (wl-summary-target-mark-operation 'important remove))
3117
3118 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
3119   (interactive "P")
3120   (wl-summary-target-mark-operation 'answered remove))
3121
3122 (defun wl-summary-target-mark-set-flags (&optional remove)
3123   (interactive "P")
3124   (wl-summary-check-target-mark)
3125   (save-excursion
3126     (let ((inhibit-read-only t)
3127           (buffer-read-only nil)
3128           wl-summary-buffer-disp-msg)
3129       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
3130                                      nil nil remove)
3131       (wl-summary-delete-all-target-marks)
3132       (wl-summary-count-unread)
3133       (wl-summary-update-modeline))))
3134
3135 (defun wl-summary-target-mark-save ()
3136   (interactive)
3137   (wl-summary-check-target-mark)
3138   (let ((wl-save-dir
3139          (wl-read-directory-name "Save to directory: "
3140                                  wl-temporary-file-directory))
3141         number)
3142     (if (null (file-exists-p wl-save-dir))
3143         (make-directory wl-save-dir))
3144     (while (setq number (car wl-summary-buffer-target-mark-list))
3145       (wl-thread-jump-to-msg number)
3146       (wl-summary-save t wl-save-dir)
3147       (wl-summary-unmark))))
3148
3149 (defun wl-summary-target-mark-pick ()
3150   (interactive)
3151   (wl-summary-check-target-mark)
3152   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3153
3154 (defun wl-summary-update-persistent-mark (&optional number flags)
3155   "Synch up persistent mark of current line with msgdb's.
3156 Return non-nil if the mark is updated"
3157   (interactive)
3158   (prog1
3159       (when wl-summary-buffer-persistent-mark-column
3160         (save-excursion
3161           (move-to-column wl-summary-buffer-persistent-mark-column)
3162           (let ((inhibit-read-only t)
3163                 (buffer-read-only nil)
3164                 (mark (buffer-substring (- (point) 1) (point)))
3165                 (new-mark (wl-summary-persistent-mark number flags)))
3166             (prog1
3167                 (unless (string= new-mark mark)
3168                   (delete-backward-char 1)
3169                   (insert new-mark)
3170                   (wl-summary-set-message-modified)
3171                   t)
3172               (wl-summary-validate-persistent-mark (point-at-bol)
3173                                                    (point-at-eol))))))
3174     (when wl-summary-highlight
3175       (wl-highlight-summary-current-line))
3176     (set-buffer-modified-p nil)))
3177
3178 (defsubst wl-summary-mark-as-read-internal (inverse
3179                                             number-or-numbers
3180                                             no-folder-mark
3181                                             no-modeline-update)
3182   (save-excursion
3183     (let ((folder wl-summary-buffer-elmo-folder)
3184           unread-message number
3185           number-list)
3186       (setq number-list (cond ((numberp number-or-numbers)
3187                                (setq unread-message
3188                                      (elmo-message-flagged-p
3189                                       folder
3190                                       number-or-numbers
3191                                       'unread))
3192                                (list number-or-numbers))
3193                               ((and (not (null number-or-numbers))
3194                                     (listp number-or-numbers))
3195                                number-or-numbers)
3196                               ((setq number (wl-summary-message-number))
3197                                ;; interactive
3198                                (setq unread-message
3199                                      (elmo-message-flagged-p
3200                                       folder
3201                                       number
3202                                       'unread))
3203                                (list number))))
3204       (if (null number-list)
3205           (message "No message.")
3206         (if inverse
3207             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3208           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3209         (when (and unread-message
3210                    (not inverse))
3211           (dolist (number number-list)
3212             (wl-summary-jump-to-msg number)
3213             (run-hooks 'wl-summary-unread-message-hook)))
3214         (unless no-modeline-update
3215           ;; Update unread numbers.
3216           (wl-summary-count-unread)
3217           (wl-summary-update-modeline)
3218           (wl-folder-update-unread
3219            (wl-summary-buffer-folder-name)
3220            wl-summary-buffer-unread-count))))))
3221
3222 (defun wl-summary-mark-as-read (&optional number-or-numbers
3223                                           no-folder-mark
3224                                           no-modeline-update)
3225   (interactive)
3226   (wl-summary-mark-as-read-internal nil
3227                                     number-or-numbers
3228                                     no-folder-mark
3229                                     no-modeline-update))
3230
3231 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3232                                             no-folder-mark
3233                                             no-modeline-update)
3234   (interactive)
3235   (wl-summary-mark-as-read-internal 'inverse
3236                                     number-or-numbers
3237                                     no-folder-mark
3238                                     no-modeline-update))
3239
3240 (defsubst wl-summary-set-persistent-mark-internal (inverse
3241                                                    flag
3242                                                    &optional number-or-numbers
3243                                                    no-modeline-update
3244                                                    no-server
3245                                                    interactive)
3246   "Set persistent mark."
3247   (save-excursion
3248     (let ((folder wl-summary-buffer-elmo-folder)
3249           number number-list)
3250       (setq number-list (cond ((numberp number-or-numbers)
3251                                (list number-or-numbers))
3252                               ((and (not (null number-or-numbers))
3253                                     (listp number-or-numbers))
3254                                number-or-numbers)
3255                               ((setq number (wl-summary-message-number))
3256                                ;; interactive
3257                                (list number))))
3258       (if (null number-list)
3259           (message "No message.")
3260         ;; XXX Only the first element of the list is checked.
3261         (if (elmo-message-flag-available-p folder (car number-list) flag)
3262             (progn
3263               (if inverse
3264                   (elmo-folder-unset-flag folder number-list flag no-server)
3265                 (elmo-folder-set-flag folder number-list flag no-server))
3266               (unless no-modeline-update
3267                 ;; Update unread numbers.
3268                 ;; should elmo-flag-mark-as-read return unread numbers?
3269                 (wl-summary-count-unread)
3270                 (wl-summary-update-modeline)
3271                 (wl-folder-update-unread
3272                  (wl-summary-buffer-folder-name)
3273                  wl-summary-buffer-unread-count)))
3274           (if interactive
3275               (error "Flag `%s' is not available in this folder" flag)))))))
3276
3277 (defun wl-summary-unset-persistent-mark (&optional flag
3278                                                    number-or-numbers
3279                                                    no-modeline-update
3280                                                    no-server)
3281   "Unset persistent mark."
3282   (interactive)
3283   (when (interactive-p)
3284     (let ((completion-ignore-case t))
3285       (setq flag (intern (downcase
3286                           (completing-read
3287                            "Mark name: "
3288                            (mapcar (lambda (flag)
3289                                      (list (capitalize (symbol-name flag))))
3290                                    (wl-summary-get-available-flags))
3291                            nil
3292                            'require-match))))))
3293   (wl-summary-set-persistent-mark-internal 'inverse
3294                                            flag
3295                                            number-or-numbers
3296                                            no-modeline-update
3297                                            no-server
3298                                            (interactive-p)))
3299
3300 (defun wl-summary-set-persistent-mark (&optional flag
3301                                                  number-or-numbers
3302                                                  no-modeline-update
3303                                                  no-server)
3304   "Set persistent mark."
3305   (interactive)
3306   (when (interactive-p)
3307     (let ((completion-ignore-case t))
3308       (setq flag (intern (downcase
3309                           (completing-read
3310                            "Mark name: "
3311                            (mapcar (lambda (flag)
3312                                      (list (capitalize (symbol-name flag))))
3313                                    (wl-summary-get-available-flags))
3314                            nil
3315                            'require-match))))))
3316   (wl-summary-set-persistent-mark-internal nil
3317                                            flag
3318                                            number-or-numbers
3319                                            no-modeline-update
3320                                            no-server
3321                                            (interactive-p)))
3322
3323 (defun wl-summary-toggle-persistent-mark (&optional force)
3324   "Toggle persistent mark."
3325   (interactive "P")
3326   (let ((completion-ignore-case t)
3327         flag)
3328     (setq flag (intern (downcase
3329                         (completing-read
3330                          "Mark name: "
3331                          (mapcar (lambda (flag)
3332                                    (list (capitalize (symbol-name flag))))
3333                                  (wl-summary-get-available-flags))
3334                          nil
3335                          'require-match))))
3336     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3337                                      (wl-summary-message-number)
3338                                      flag)
3339              (not force))
3340         (wl-summary-unset-persistent-mark flag)
3341       (wl-summary-set-persistent-mark flag))))
3342
3343 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3344                                               no-modeline-update)
3345   (interactive)
3346   (wl-summary-set-persistent-mark-internal
3347    (and (interactive-p)
3348         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3349                                 (wl-summary-message-number)
3350                                 'answered))
3351    'answered
3352    number-or-numbers
3353    no-modeline-update
3354    nil
3355    (interactive-p)))
3356
3357 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3358                                                 no-modeline-update)
3359   (wl-summary-set-persistent-mark-internal
3360    'inverse
3361    'answered
3362    number-or-numbers
3363    no-modeline-update))
3364
3365 (defun wl-summary-decide-flag (folder number)
3366   (let ((flags (elmo-get-global-flags (elmo-message-flags
3367                                        folder number)))
3368         (completion-ignore-case t)
3369         new-flags)
3370     (setq new-flags
3371           (delq nil
3372                 (mapcar
3373                  (lambda (flag)
3374                    (and (> (length flag) 0)
3375                         (intern (downcase flag))))
3376                  (wl-completing-read-multiple
3377                   "Flags: "
3378                   (mapcar (lambda (flag)
3379                             (list (capitalize (symbol-name flag))))
3380                           elmo-global-flags)
3381                   nil nil (mapconcat (lambda (flag)
3382                                        (capitalize (symbol-name flag)))
3383                                      flags
3384                                      ",")))))
3385     (dolist (flag new-flags)
3386       (unless (memq flag elmo-global-flags)
3387         (when (elmo-local-flag-p flag)
3388           (error "Cannot treat `%s'." flag))
3389         (unless (elmo-flag-valid-p flag)
3390           (error "Invalid char in `%s'" flag))
3391         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3392                               (capitalize (symbol-name flag))))
3393             (setq elmo-global-flags (append
3394                                      elmo-global-flags
3395                                      (list flag)))
3396           (error "Stopped"))))
3397     new-flags))
3398
3399 (defsubst wl-summary-set-flags-internal (&optional
3400                                         number-or-numbers
3401                                         flags
3402                                         local
3403                                         remove-all)
3404   (save-excursion
3405     (let ((folder wl-summary-buffer-elmo-folder)
3406           number number-list)
3407       (setq number-list (cond ((numberp number-or-numbers)
3408                                (list number-or-numbers))
3409                               ((and (not (null number-or-numbers))
3410                                     (listp number-or-numbers))
3411                                number-or-numbers)
3412                               ((setq number (wl-summary-message-number))
3413                                ;; interactive
3414                                (list number))))
3415       (if remove-all
3416           (setq flags nil)
3417         (unless flags
3418           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3419       (if (null number-list)
3420           (message "No message.")
3421         (dolist (number number-list)
3422           (elmo-message-set-global-flags folder number flags local)))
3423       flags)))
3424
3425 (defun wl-summary-set-flags (&optional remove)
3426   (interactive "P")
3427   (wl-summary-set-flags-internal nil nil nil remove))
3428
3429 (defun wl-summary-mark-as-important (&optional prompt)
3430   (interactive "P")
3431   (if prompt
3432       (wl-summary-set-flags-internal)
3433     (wl-summary-set-persistent-mark-internal
3434      (and (interactive-p)
3435           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3436                                   (wl-summary-message-number)
3437                                   'important))
3438      'important
3439      nil nil nil (interactive-p))))
3440
3441 ;;; Summary line.
3442 (defvar wl-summary-line-formatter nil)
3443
3444 (defun wl-summary-view-old-p ()
3445   "Return non-nil when summary view cache has old format."
3446   (save-excursion
3447     (goto-char (point-min))
3448     (and wl-summary-buffer-number-list
3449          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3450
3451 (defun wl-summary-line-format-changed-p ()
3452   "Return non-nil when summary line format is changed."
3453   (not (string=
3454         wl-summary-buffer-line-format
3455         (or (elmo-object-load (expand-file-name
3456                                wl-summary-line-format-file
3457                                (elmo-folder-msgdb-path
3458                                 wl-summary-buffer-elmo-folder))
3459                               wl-summary-buffer-mime-charset)
3460             wl-summary-buffer-line-format))))
3461
3462 (defun wl-summary-line-format-save ()
3463   "Save current summary line format."
3464   (elmo-object-save
3465    (expand-file-name wl-summary-line-format-file
3466                      (elmo-folder-msgdb-path
3467                       wl-summary-buffer-elmo-folder))
3468    wl-summary-buffer-line-format
3469    wl-summary-buffer-mime-charset))
3470
3471 (defun wl-summary-line-number ()
3472   (wl-set-string-width
3473    (- wl-summary-buffer-number-column)
3474    (number-to-string
3475     (elmo-message-entity-number wl-message-entity))))
3476
3477 (defun wl-summary-line-year ()
3478   (aref wl-datevec 0))
3479 (defun wl-summary-line-month ()
3480   (format "%02d" (aref wl-datevec 1)))
3481 (defun wl-summary-line-day ()
3482   (format "%02d" (aref wl-datevec 2)))
3483 (defun wl-summary-line-day-of-week ()
3484   (condition-case nil
3485       (elmo-date-get-week (aref wl-datevec 0)
3486                           (aref wl-datevec 1)
3487                           (aref wl-datevec 2))
3488     (error "??")))
3489 (defun wl-summary-line-hour ()
3490   (format "%02d" (aref wl-datevec 3)))
3491 (defun wl-summary-line-minute ()
3492   (format "%02d" (aref wl-datevec 4)))
3493
3494 (defun wl-summary-line-size ()
3495   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3496     (if size
3497         (cond
3498          ((<= 1 (/ size 1048576))
3499           (format "%.0fM" (/ size 1048576.0)))
3500          ((<= 1 (/ size 1024))
3501           (format "%.0fK" (/ size 1024.0)))
3502          (t (format "%dB" size)))
3503       "")))
3504
3505 (defun wl-summary-line-subject ()
3506   (let (no-parent subject parent-raw-subject parent-subject)
3507     (if (string= wl-thr-indent-string "")
3508         (setq no-parent t)) ; no parent
3509     (setq subject
3510           (elmo-delete-char ?\n
3511                             (or (elmo-message-entity-field
3512                                  wl-message-entity
3513                                  'subject)
3514                                 wl-summary-no-subject-message)))
3515     (setq parent-raw-subject
3516           (elmo-message-entity-field wl-parent-message-entity 'subject))
3517     (setq parent-subject
3518           (if parent-raw-subject
3519               (elmo-delete-char ?\n parent-raw-subject)))
3520     (if (or no-parent
3521             (null parent-subject)
3522             (not (wl-summary-subject-equal subject parent-subject)))
3523         (funcall wl-summary-subject-function subject)
3524       "")))
3525
3526 (defun wl-summary-line-from ()
3527   (elmo-delete-char ?\n
3528                     (funcall wl-summary-from-function
3529                              (elmo-message-entity-field
3530                               wl-message-entity
3531                               'from))))
3532
3533 (defun wl-summary-line-list-info ()
3534   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3535     (if (car list-info)
3536         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3537                 (car list-info) (cdr list-info))
3538       "")))
3539
3540 (defun wl-summary-line-list-count ()
3541   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3542     (if ml-count
3543         (format "%.0f" ml-count)
3544       "")))
3545
3546 (defun wl-summary-line-attached ()
3547   (let ((content-type (elmo-message-entity-field
3548                        wl-message-entity 'content-type))
3549         (case-fold-search t))
3550     (if (and content-type
3551              (string-match "multipart/mixed" content-type))
3552         "@"
3553       "")))
3554
3555 ;;; For future use.
3556 ;;(defun wl-summary-line-cached ()
3557 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3558 ;;                           (elmo-message-entity-number wl-message-entity))
3559 ;;      " "
3560 ;;    "u"))
3561
3562 (defun wl-summary-create-line (wl-message-entity
3563                                wl-parent-message-entity
3564                                wl-temp-mark
3565                                wl-flags
3566                                wl-cached
3567                                &optional
3568                                wl-thr-children-number
3569                                wl-thr-indent-string
3570                                wl-thr-linked)
3571   "Create a summary line."
3572   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3573         (wl-persistent-mark (wl-summary-persistent-mark-string
3574                              wl-summary-buffer-elmo-folder
3575                              wl-flags
3576                              wl-cached))
3577         (elmo-mime-charset wl-summary-buffer-mime-charset)
3578         (elmo-lang wl-summary-buffer-weekday-name-lang)
3579         (wl-datevec (or (elmo-time-to-datevec
3580                          (elmo-message-entity-field wl-message-entity 'date)
3581                          wl-summary-fix-timezone)
3582                         (make-vector 7 0)))
3583         (entity wl-message-entity) ; backward compatibility.
3584         line mark)
3585     (if (and wl-thr-indent-string
3586              wl-summary-indent-length-limit
3587              (< wl-summary-indent-length-limit
3588                 (string-width wl-thr-indent-string)))
3589         (setq wl-thr-indent-string (wl-set-string-width
3590                                     wl-summary-indent-length-limit
3591                                     wl-thr-indent-string)))
3592     (setq line (funcall wl-summary-buffer-line-formatter))
3593     (if wl-summary-width (setq line
3594                                (wl-set-string-width
3595                                 (- wl-summary-width 1) line nil
3596                                 'ignore-invalid)))
3597     (setq line (concat line
3598                        "\r"
3599                        (number-to-string
3600                         (elmo-message-entity-number
3601                          wl-message-entity))))
3602     (wl-summary-validate-persistent-mark-string line)
3603     (if wl-summary-highlight
3604         (wl-highlight-summary-line-string
3605          (elmo-message-entity-number wl-message-entity)
3606          line
3607          wl-flags
3608          wl-temp-mark
3609          wl-thr-indent-string))
3610     line))
3611
3612 (defsubst wl-summary-proc-wday (wday-str year month mday)
3613   (save-match-data
3614     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3615         (wl-match-string 1 wday-str)
3616       (elmo-date-get-week year month mday))))
3617
3618 (defvar wl-summary-move-spec-alist
3619   '((new . ((t . nil)
3620             (p . new)
3621             (p . unread)
3622             (p . digest)))
3623     (unread . ((t . nil)
3624                (p . unread)
3625                (p . digest)))))
3626
3627 (defsubst wl-summary-next-message (num direction hereto)
3628   (if wl-summary-buffer-next-message-function
3629       (funcall wl-summary-buffer-next-message-function num direction hereto)
3630     (let ((cur-spec (cdr (assq wl-summary-move-order
3631                                wl-summary-move-spec-alist)))
3632           (nums (memq num (if (eq direction 'up)
3633                               (reverse wl-summary-buffer-number-list)
3634                             wl-summary-buffer-number-list)))
3635           flagged-list nums2)
3636       (unless hereto (setq nums (cdr nums)))
3637       (setq nums2 nums)
3638       (if cur-spec
3639           (catch 'done
3640             (while cur-spec
3641               (setq nums nums2)
3642               (cond ((eq (car (car cur-spec)) 'p)
3643                      (if (setq flagged-list
3644                                (elmo-folder-list-flagged
3645                                 wl-summary-buffer-elmo-folder
3646                                 (cdr (car cur-spec)) t))
3647                          (while nums
3648                            (if (and (memq (car nums) flagged-list)
3649                                     (elmo-message-accessible-p
3650                                      wl-summary-buffer-elmo-folder
3651                                      (car nums)))
3652                                (throw 'done (car nums)))
3653                            (setq nums (cdr nums)))))
3654                     ((eq (car (car cur-spec)) 't)
3655                      (if wl-summary-buffer-target-mark-list
3656                          (while nums
3657                            (if (memq (car nums)
3658                                      wl-summary-buffer-target-mark-list)
3659                                (throw 'done (car nums)))
3660                            (setq nums (cdr nums))))))
3661               (setq cur-spec (cdr cur-spec))))
3662         (car nums)))))
3663
3664 (defsubst wl-summary-cursor-move (direction hereto)
3665   (when (and (eq direction 'up)
3666              (eobp))
3667     (forward-line -1)
3668     (setq hereto t))
3669   (let (num)
3670     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3671                                              direction hereto))
3672       (if (numberp num)
3673           (wl-thread-jump-to-msg num))
3674       t)))
3675 ;;
3676 ;; Goto unread or global flag message
3677 ;; returns t if next message exists in this folder.
3678 (defun wl-summary-cursor-down (&optional hereto)
3679   (interactive "P")
3680   (wl-summary-cursor-move 'down hereto))
3681
3682 (defun wl-summary-cursor-up (&optional hereto)
3683   (interactive "P")
3684   (wl-summary-cursor-move 'up hereto))
3685
3686 (defun wl-summary-save-view-cache ()
3687   (save-excursion
3688     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3689            (cache (expand-file-name wl-summary-cache-file dir))
3690            (view (expand-file-name wl-summary-view-file dir))
3691            (save-view wl-summary-buffer-view)
3692            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3693            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3694            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3695            (temp-column wl-summary-buffer-temp-mark-column)
3696            (charset wl-summary-buffer-mime-charset))
3697       (when dir
3698         (if (file-directory-p dir)
3699             (); ok.
3700           (if (file-exists-p dir)
3701               (error "File %s already exists" dir)
3702             (elmo-make-directory dir)))
3703         (if (eq save-view 'thread)
3704             (wl-thread-save-entity dir))
3705         (when wl-summary-check-line-format
3706           (wl-summary-line-format-save))
3707         (unwind-protect
3708             (progn
3709               (when (file-writable-p cache)
3710                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3711                 (with-current-buffer tmp-buffer
3712                   (widen)
3713                   (make-local-variable 'wl-summary-highlight)
3714                   (setq wl-summary-highlight nil
3715                         wl-summary-buffer-target-mark-list mark-list
3716                         wl-summary-buffer-temp-mark-list temp-list
3717                         wl-summary-buffer-temp-mark-column temp-column)
3718                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3719                   (encode-coding-region
3720                    (point-min) (point-max)
3721                    (or (and wl-on-mule
3722                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3723                             (mime-charset-to-coding-system charset 'LF))
3724                        ;; Mule 2 doesn't have `*ctext*unix'.
3725                        (mime-charset-to-coding-system charset)))
3726                   (write-region-as-binary (point-min)(point-max)
3727                                           cache nil 'no-msg)))
3728               (when (file-writable-p view) ; 'thread or 'sequence
3729                 (with-temp-buffer
3730                   (prin1 save-view (current-buffer))
3731                   (princ "\n" (current-buffer))
3732                   (write-region (point-min) (point-max) view nil 'no-msg))))
3733           ;; kill tmp buffer.
3734           (kill-buffer tmp-buffer))))))
3735
3736 (defsubst wl-summary-get-sync-range (folder)
3737   (intern (or (and
3738                (elmo-folder-plugged-p folder)
3739                (wl-get-assoc-list-value
3740                 wl-folder-sync-range-alist
3741                 (elmo-folder-name-internal folder)
3742                 'function))
3743               wl-default-sync-range)))
3744
3745 ;; redefined for wl-summary-sync-update
3746 (defun wl-summary-input-range (folder)
3747   "returns update or all or rescan."
3748   ;; for the case when parts are expanded in the bottom of the folder
3749   (let ((input-range-list '("no-sync"
3750                             "first:"
3751                             "last:"
3752                             "cache-status"
3753                             "mark"
3754                             "rescan"
3755                             "rescan-noscore"
3756                             "rescan-thread"
3757                             "update"
3758                             "update-entirely"
3759                             "all"
3760                             "all-entirely"))
3761         (default (or (wl-get-assoc-list-value
3762                       wl-folder-sync-range-alist
3763                       folder
3764                       'function)
3765                      wl-default-sync-range))
3766         range)
3767     (setq range
3768           (completing-read (format "Range (%s): " default)
3769                            (mapcar
3770                             (function (lambda (x) (cons x x)))
3771                             input-range-list)))
3772     (if (string= range "")
3773         default
3774       range)))
3775
3776 (defun wl-summary-toggle-disp-folder (&optional arg)
3777   (interactive)
3778   (let ((cur-buf (current-buffer))
3779         (summary-win (get-buffer-window (current-buffer)))
3780         fld-buf fld-win)
3781     (cond
3782      ((eq arg 'on)
3783       (setq wl-summary-buffer-disp-folder t)
3784       ;; hide your folder window
3785       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3786           (if (setq fld-win (get-buffer-window fld-buf))
3787               (delete-window fld-win))))
3788      ((eq arg 'off)
3789       (setq wl-summary-buffer-disp-folder nil)
3790       ;; hide your wl-message window!
3791       (when (buffer-live-p wl-message-buffer)
3792         (wl-message-select-buffer wl-message-buffer)
3793         (delete-window))
3794       (select-window (get-buffer-window cur-buf))
3795       ;; display wl-folder window!!
3796       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3797           (if (setq fld-win (get-buffer-window fld-buf))
3798               ;; folder win is already displayed.
3799               (select-window fld-win)
3800             ;; folder win is not displayed.
3801             (switch-to-buffer fld-buf))
3802         ;; no folder buf
3803         (wl-folder))
3804       ;; temporarily delete summary-win.
3805       (if summary-win
3806           (delete-window summary-win))
3807       (split-window-horizontally wl-folder-window-width)
3808       (other-window 1)
3809       (switch-to-buffer cur-buf))
3810      (t
3811       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3812           (if (setq fld-win (get-buffer-window fld-buf))
3813               (setq wl-summary-buffer-disp-folder nil)
3814             (setq wl-summary-buffer-disp-folder t)))
3815       (if (not wl-summary-buffer-disp-folder)
3816           ;; hide message window
3817           (let ((mes-win (and wl-message-buffer
3818                               (get-buffer-window wl-message-buffer)))
3819                 (wl-stay-folder-window t))
3820             (if mes-win (delete-window mes-win))
3821             ;; hide your folder window
3822             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3823                 (if (setq fld-win (get-buffer-window fld-buf))
3824                     (progn
3825                       (delete-window (get-buffer-window cur-buf))
3826                       (select-window fld-win)
3827                       (switch-to-buffer cur-buf))))
3828             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3829             ;; resume message window.
3830             (when mes-win
3831               (wl-message-select-buffer wl-message-buffer)
3832               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3833               (select-window (get-buffer-window cur-buf))))
3834         ;; hide message window
3835         (let ((wl-stay-folder-window t)
3836               (mes-win (and wl-message-buffer
3837                             (get-buffer-window wl-message-buffer))))
3838           (if mes-win (delete-window mes-win))
3839           (select-window (get-buffer-window cur-buf))
3840           ;; display wl-folder window!!
3841           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3842               (if (setq fld-win (get-buffer-window fld-buf))
3843                   ;; folder win is already displayed.
3844                   (select-window fld-win)
3845                 ;; folder win is not displayed...occupy all.
3846                 (switch-to-buffer fld-buf))
3847             ;; no folder buf
3848             (wl-folder))
3849           (split-window-horizontally wl-folder-window-width)
3850           (other-window 1)
3851           (switch-to-buffer cur-buf)
3852           ;; resume message window.
3853           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3854           (when mes-win
3855             (wl-message-select-buffer wl-message-buffer)
3856             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3857             (select-window (get-buffer-window cur-buf))))))))
3858   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3859
3860 (defun wl-summary-toggle-disp-msg (&optional arg)
3861   (interactive)
3862   (let ((cur-buf (current-buffer))
3863         fld-buf fld-win
3864         summary-win)
3865     (cond
3866      ((eq arg 'on)
3867       (setq wl-summary-buffer-disp-msg t)
3868       (save-excursion
3869         ;; hide your folder window
3870         (if (and (not wl-stay-folder-window)
3871                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3872             (if (setq fld-win (get-buffer-window fld-buf))
3873                 (unless (one-window-p fld-win)
3874                   (delete-window fld-win))))))
3875      ((eq arg 'off)
3876       (wl-delete-all-overlays)
3877       (setq wl-summary-buffer-disp-msg nil)
3878       (save-excursion
3879         (when (buffer-live-p wl-message-buffer)
3880           (wl-message-select-buffer wl-message-buffer)
3881           (delete-window)
3882           (and (get-buffer-window cur-buf)
3883                (select-window (get-buffer-window cur-buf))))
3884         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3885      (t
3886       (if (and wl-message-buffer
3887                (get-buffer-window wl-message-buffer)) ; already displayed
3888           (setq wl-summary-buffer-disp-msg nil)
3889         (setq wl-summary-buffer-disp-msg t))
3890       (if wl-summary-buffer-disp-msg
3891           (progn
3892             (wl-summary-redisplay)
3893 ;;; hide your folder window
3894 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3895 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3896 ;;;             (delete-window fld-win)))
3897             (run-hooks 'wl-summary-toggle-disp-on-hook))
3898         (wl-delete-all-overlays)
3899         (save-excursion
3900           (wl-message-select-buffer wl-message-buffer)
3901           (delete-window)
3902           (select-window (get-buffer-window cur-buf))
3903           (setq wl-message-buffer nil)
3904           (run-hooks 'wl-summary-toggle-disp-off-hook))
3905 ;;;     (switch-to-buffer cur-buf)
3906         )))
3907     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3908
3909 (defun wl-summary-enter-handler (&optional arg)
3910   "A command for `enter' key in the summary.
3911 Basically, it shows next line of the message.
3912 If optional argument ARG is specified, behave as followed.
3913 If ARG is number, jump to the message.
3914 Otherwise it shows previous line of the message."
3915   (interactive "P")
3916   (cond ((numberp arg)
3917          (unless (wl-thread-jump-to-msg arg)
3918            (message "Message (#%d) was not found." arg)))
3919         (arg
3920          (wl-summary-prev-line-content))
3921         (t
3922          (wl-summary-next-line-content))))
3923
3924 (defun wl-summary-next-line-content ()
3925   "Show next line of the message."
3926   (interactive)
3927   (let ((cur-buf (current-buffer)))
3928     (wl-summary-toggle-disp-msg 'on)
3929     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3930       (set-buffer cur-buf)
3931       (wl-message-next-page 1))))
3932
3933 (defun wl-summary-prev-line-content ()
3934   (interactive)
3935   (let ((cur-buf (current-buffer)))
3936     (wl-summary-toggle-disp-msg 'on)
3937     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3938       (set-buffer cur-buf)
3939       (wl-message-prev-page 1))))
3940
3941 (defun wl-summary-next-page ()
3942   (interactive)
3943   (let ((cur-buf (current-buffer)))
3944     (wl-summary-toggle-disp-msg 'on)
3945     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3946       (set-buffer cur-buf)
3947       (wl-message-next-page))))
3948
3949 (defun wl-summary-prev-page ()
3950   (interactive)
3951   (let ((cur-buf (current-buffer)))
3952     (wl-summary-toggle-disp-msg 'on)
3953     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3954       (set-buffer cur-buf)
3955       (wl-message-prev-page))))
3956
3957 (defsubst wl-summary-no-mime-p (folder)
3958   (wl-string-match-member (elmo-folder-name-internal folder)
3959                           wl-summary-no-mime-folder-list))
3960
3961 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3962   "Set message buffer.
3963 If message is not displayed yet, display it.
3964 Return t if message exists."
3965   (let ((folder wl-summary-buffer-elmo-folder)
3966         (number (wl-summary-message-number))
3967         cur-folder cur-number message-last-pos)
3968     (when (buffer-live-p wl-message-buffer)
3969       (save-window-excursion
3970         (setq wl-current-summary-buffer (current-buffer))
3971         (wl-message-select-buffer wl-message-buffer)
3972         (setq cur-folder wl-message-buffer-cur-folder)
3973         (setq cur-number wl-message-buffer-cur-number)))
3974     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3975              (eq number (or cur-number 0)))
3976         (progn
3977           (set-buffer wl-message-buffer)
3978           t)
3979       (wl-summary-redisplay-internal folder number)
3980       (when (buffer-live-p wl-message-buffer)
3981         (set-buffer wl-message-buffer))
3982       nil)))
3983
3984 (defun wl-summary-target-mark-forward (&optional arg)
3985   (interactive "P")
3986   (wl-summary-check-target-mark)
3987   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3988         (summary-buf (current-buffer))
3989         (wl-draft-forward t)
3990         start-point
3991         draft-buf)
3992     (wl-summary-jump-to-msg (car mlist))
3993     (wl-summary-forward t)
3994     (setq start-point (point))
3995     (setq draft-buf (current-buffer))
3996     (setq mlist (cdr mlist))
3997     (save-window-excursion
3998       (when mlist
3999         (while mlist
4000           (set-buffer summary-buf)
4001           (wl-summary-jump-to-msg (car mlist))
4002           (wl-summary-redisplay)
4003           (set-buffer draft-buf)
4004           (goto-char (point-max))
4005           (wl-draft-insert-message)
4006           (setq mlist (cdr mlist)))
4007         (wl-draft-body-goto-top)
4008         (wl-draft-enclose-digest-region (point) (point-max)))
4009       (goto-char start-point)
4010       (save-excursion
4011         (set-buffer summary-buf)
4012         (wl-summary-delete-all-target-marks)))
4013     (run-hooks 'wl-mail-setup-hook)))
4014
4015 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
4016   (interactive "P")
4017   (wl-summary-check-target-mark)
4018   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
4019         (summary-buf (current-buffer))
4020         change-major-mode-hook
4021         start-point
4022         draft-buf)
4023     (wl-summary-jump-to-msg (car mlist))
4024     (when (wl-summary-reply arg t)
4025       (goto-char (point-max))
4026       (setq start-point (point-marker))
4027       (setq draft-buf (current-buffer))
4028       (save-window-excursion
4029         (while mlist
4030           (set-buffer summary-buf)
4031           (delete-other-windows)
4032           (wl-summary-jump-to-msg (car mlist))
4033           (wl-summary-redisplay)
4034           (set-buffer draft-buf)
4035           (goto-char (point-max))
4036           (wl-draft-yank-original)
4037           (setq mlist (cdr mlist)))
4038         (goto-char start-point)
4039         (save-excursion
4040           (set-buffer summary-buf)
4041           (wl-summary-delete-all-target-marks)))
4042       (wl-draft-reply-position wl-draft-reply-default-position)
4043       (run-hooks 'wl-mail-setup-hook))))
4044
4045 (defun wl-summary-reply-with-citation (&optional arg)
4046   (interactive "P")
4047   (when (wl-summary-reply arg t)
4048     (goto-char (point-max))
4049     (wl-draft-yank-original)
4050     (wl-draft-reply-position wl-draft-reply-default-position)
4051     (run-hooks 'wl-mail-setup-hook)))
4052
4053 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4054   (interactive)
4055   (let* ((original (wl-summary-message-number))
4056          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4057          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
4058          msg otherfld schar
4059          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
4060     (if (setq msg (elmo-message-entity-number entity))
4061         (progn
4062           (wl-thread-jump-to-msg msg)
4063           t)
4064       ;; for XEmacs!
4065       (if (and elmo-use-database
4066                (setq errmsg
4067                      (format
4068                       "No message with id \"%s\" in the database." msgid))
4069                (setq otherfld (elmo-database-msgid-get msgid)))
4070           (if (cdr (wl-summary-jump-to-msg-internal
4071                     (car otherfld) (nth 1 otherfld) 'no-sync))
4072               t ; succeed.
4073             ;; Back to original.
4074             (wl-summary-jump-to-msg-internal
4075              (wl-summary-buffer-folder-name) original 'no-sync))
4076         (cond ((eq wl-summary-search-via-nntp 'confirm)
4077                (require 'elmo-nntp)
4078                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
4079                         elmo-nntp-default-server)
4080                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
4081                (cond ((eq schar ?y)
4082                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4083                      ((eq schar ?s)
4084                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4085                        msgid
4086                        (read-from-minibuffer "NNTP Server: ")))
4087                      (t
4088                       (message "%s" errmsg)
4089                       nil)))
4090               ((or (eq wl-summary-search-via-nntp 'force)
4091                    (and
4092                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4093                         'nntp)
4094                     wl-summary-search-via-nntp))
4095                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4096               (t
4097                (message "%s" errmsg)
4098                nil))))))
4099
4100 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4101   (interactive)
4102   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4103          newsgroups folder ret
4104          user server port type spec)
4105     (if server-spec
4106         (if (string-match "^-" server-spec)
4107             (setq spec (wl-folder-get-elmo-folder server-spec)
4108                   user (elmo-net-folder-user-internal spec)
4109                   server (elmo-net-folder-server-internal spec)
4110                   port (elmo-net-folder-port-internal spec)
4111                   type (elmo-net-folder-stream-type-internal spec))
4112           (setq server server-spec)))
4113     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4114                      msgid
4115                      (or server elmo-nntp-default-server)
4116                      (or user elmo-nntp-default-user)
4117                      (or port elmo-nntp-default-port)
4118                      (or type elmo-nntp-default-stream-type)))
4119       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4120       (setq folder (concat "-" (car newsgroups)
4121                            (elmo-nntp-folder-postfix user server port type)))
4122       (catch 'found
4123         (while newsgroups
4124           (if (wl-folder-entity-exists-p (car newsgroups)
4125                                          wl-folder-newsgroups-hashtb)
4126               (throw 'found
4127                      (setq folder (concat "-" (car newsgroups)
4128                                           (elmo-nntp-folder-postfix
4129                                            user server port type)))))
4130           (setq newsgroups (cdr newsgroups)))))
4131     (if ret
4132         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4133       (message "No message id \"%s\" in nntp server \"%s\"."
4134                msgid (or server elmo-nntp-default-server))
4135       nil)))
4136
4137 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4138   (let (wl-auto-select-first entity)
4139     (if (or (string= folder (wl-summary-buffer-folder-name))
4140             (y-or-n-p
4141              (format
4142               "Message was found in the folder \"%s\". Jump to it? "
4143               folder)))
4144         (progn
4145           (unwind-protect
4146               (wl-summary-goto-folder-subr
4147                folder scan-type nil nil t)
4148             (if msgid
4149                 (setq msg
4150                       (elmo-message-entity-number
4151                        (elmo-message-entity
4152                         wl-summary-buffer-elmo-folder
4153                         msgid))))
4154             (setq entity (wl-folder-search-entity-by-name folder
4155                                                           wl-folder-entity
4156                                                           'folder))
4157             (if entity
4158                 (wl-folder-set-current-entity-id
4159                  (wl-folder-get-entity-id entity))))
4160           (if (null msg)
4161               (message "Message was not found currently in this folder.")
4162             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4163           (cons folder msg)))))
4164
4165 (defun wl-summary-jump-to-parent-message (arg)
4166   (interactive "P")
4167   (let ((cur-buf (current-buffer))
4168         (disp-msg wl-summary-buffer-disp-msg)
4169         (number (wl-summary-message-number))
4170         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4171         (i -1) ;; xxx
4172         msg-id msg-num ref-list ref irt)
4173     (if (null number)
4174         (message "No message.")
4175       (when (eq wl-summary-buffer-view 'thread)
4176         (cond ((and arg (not (numberp arg)))
4177                (setq msg-num
4178                      (wl-thread-entity-get-number
4179                       (wl-thread-entity-get-top-entity
4180                        (wl-thread-get-entity number)))))
4181               ((and arg (numberp arg))
4182                (setq i 0)
4183                (setq msg-num number)
4184                (while (< i arg)
4185                  (setq msg-num
4186                        (wl-thread-entity-get-number
4187                         (wl-thread-entity-get-parent-entity
4188                          (wl-thread-get-entity msg-num))))
4189                  (setq i (1+ i))))
4190               (t (setq msg-num
4191                        (wl-thread-entity-get-number
4192                         (wl-thread-entity-get-parent-entity
4193                          (wl-thread-get-entity number)))))))
4194       (when (null msg-num)
4195         (wl-summary-set-message-buffer-or-redisplay)
4196         (set-buffer (wl-message-get-original-buffer))
4197         (message "Searching parent message...")
4198         (setq ref (std11-field-body "References")
4199               irt (std11-field-body "In-Reply-To"))
4200         (cond
4201          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4202                (string-match regexp ref))
4203           ;; The first message of the thread.
4204           (setq msg-id (wl-match-string 1 ref)))
4205          ;; "In-Reply-To:" has only one msg-id.
4206          ((and (null arg) irt (not (string= irt ""))
4207                (string-match regexp irt))
4208           (setq msg-id (wl-match-string 1 irt)))
4209          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4210                (string-match regexp ref))
4211           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4212           (while (string-match regexp ref)
4213             (setq ref-list
4214                   (append (list
4215                            (wl-match-string 1 ref))
4216                           ref-list))
4217             (setq ref (substring ref (match-end 0)))
4218             (setq i (1+ i)))
4219           (setq msg-id
4220                 (if (null arg) (nth 0 ref-list) ;; previous
4221                   (if (<= arg i) (nth (1- arg) ref-list)
4222                     (nth i ref-list))))))
4223         (set-buffer cur-buf)
4224         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4225       (cond ((and (null msg-id) (null msg-num))
4226              (message "No parent message!")
4227              nil)
4228             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4229              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4230              (message "Searching parent message...done")
4231              t)
4232             ((and msg-num (wl-summary-jump-to-msg msg-num))
4233              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4234              (message "Searching parent message...done")
4235              t)
4236             (t ; failed.
4237              (message "Parent message was not found.")
4238              nil)))))
4239
4240 (defun wl-summary-reply (&optional arg without-setup-hook)
4241   "Reply to current message. Default is \"wide\" reply.
4242 Reply to author if invoked with ARG."
4243   (interactive "P")
4244   (let ((folder wl-summary-buffer-elmo-folder)
4245         (number (wl-summary-message-number))
4246         (summary-buf (current-buffer))
4247         (winconf (current-window-configuration))
4248         mes-buf)
4249     (when number
4250       (save-excursion
4251         (wl-summary-set-message-buffer-or-redisplay))
4252       (wl-message-select-buffer wl-message-buffer)
4253       (condition-case err
4254           (when (setq mes-buf (wl-message-get-original-buffer))
4255             (wl-draft-reply mes-buf arg summary-buf number)
4256             (wl-draft-reply-position wl-draft-reply-default-position)
4257             (unless without-setup-hook
4258               (run-hooks 'wl-mail-setup-hook)))
4259         (error (set-window-configuration winconf)
4260                (signal (car err)(cdr err))))
4261       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4262       t)))
4263
4264 (defun wl-summary-write ()
4265   "Write a new draft from Summary."
4266   (interactive)
4267   (wl-draft (list (cons 'To ""))
4268             nil nil nil nil (wl-summary-buffer-folder-name))
4269   (run-hooks 'wl-mail-setup-hook)
4270   (mail-position-on-field "To"))
4271
4272 (defvar wl-summary-write-current-folder-functions
4273   '(wl-folder-get-newsgroups
4274     wl-folder-guess-mailing-list-by-refile-rule
4275     wl-folder-guess-mailing-list-by-folder-name)
4276   "Newsgroups or Mailing List address guess functions list.
4277 Call from `wl-summary-write-current-folder'.
4278 When guess function return nil, challenge next guess-function.")
4279
4280 (defun wl-summary-write-current-folder (&optional folder)
4281   "Write message to current FOLDER's newsgroup or mailing-list.
4282 Use function list is `wl-summary-write-current-folder-functions'."
4283   (interactive)
4284   ;; default FOLDER is current buffer folder
4285   (setq folder (or folder (wl-summary-buffer-folder-name)))
4286   (let ((func-list wl-summary-write-current-folder-functions)
4287         guess-list guess-func)
4288     (while func-list
4289       (setq guess-list (funcall (car func-list) folder))
4290       (if (null guess-list)
4291           (setq func-list (cdr func-list))
4292         (setq guess-func (car func-list))
4293         (setq func-list nil)))
4294     (if (null guess-func)
4295         (wl-summary-write)
4296       (unless (or (stringp (nth 0 guess-list))
4297                   (stringp (nth 1 guess-list))
4298                   (stringp (nth 2 guess-list)))
4299         (error "Invalid value return guess function `%s'"
4300                (symbol-name guess-func)))
4301       (wl-draft (list (cons 'To (nth 0 guess-list))
4302                       (cons 'Cc (nth 1 guess-list))
4303                       (cons 'Newsgroups (nth 2 guess-list)))
4304                 nil nil nil nil folder)
4305       (run-hooks 'wl-mail-setup-hook)
4306       (mail-position-on-field "Subject"))))
4307
4308 (defun wl-summary-forward (&optional without-setup-hook)
4309   ""
4310   (interactive)
4311   (let ((folder wl-summary-buffer-elmo-folder)
4312         (number (wl-summary-message-number))
4313         (summary-buf (current-buffer))
4314         (wl-draft-forward t)
4315         entity subject num)
4316     (if (null number)
4317         (message "No message.")
4318       (if (and (elmo-message-use-cache-p folder number)
4319                (eq (elmo-file-cache-status
4320                     (elmo-file-cache-get
4321                      (elmo-message-field folder number 'message-id)))
4322                    'section))
4323           ;; Reload.
4324           (wl-summary-redisplay-internal nil nil 'force-reload)
4325         (wl-summary-redisplay-internal folder number))
4326       (wl-message-select-buffer wl-message-buffer)
4327       (setq subject (with-current-buffer
4328                         wl-message-buffer-original-buffer
4329                       (std11-field-body "Subject")))
4330       (wl-draft-forward subject summary-buf number)
4331       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4332       (unless without-setup-hook
4333         (run-hooks 'wl-mail-setup-hook)))))
4334
4335 (defun wl-summary-click (e)
4336   (interactive "e")
4337   (mouse-set-point e)
4338   (wl-summary-read))
4339
4340 (defun wl-summary-read ()
4341   "Proceed reading message in the summary buffer."
4342   (interactive)
4343   (let ((cur-buf (current-buffer)))
4344     (wl-summary-toggle-disp-msg 'on)
4345     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4346       (set-buffer cur-buf)
4347       (if (wl-message-next-page)
4348           (wl-summary-down t)))))
4349
4350 (defsubst wl-summary-cursor-move-surface (downward interactive)
4351   (if wl-summary-move-direction-toggle
4352       (setq wl-summary-move-direction-downward downward))
4353   (let ((start (point))
4354         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4355         (skip t)
4356         (column (current-column))
4357         goto-next next-entity finfo)
4358     (beginning-of-line)
4359     (while (and skip
4360                 (not (if downward (eobp) (bobp))))
4361       (if downward
4362           (forward-line 1)
4363         (forward-line -1))
4364       (setq skip (or (string-match skip-tmark-regexp
4365                                    (wl-summary-temp-mark))
4366                      (not (and (wl-summary-message-number)
4367                                (elmo-message-accessible-p
4368                                 wl-summary-buffer-elmo-folder
4369                                 (wl-summary-message-number)))))))
4370     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4371     (if (or (eobp) (and (bobp) skip))
4372         (goto-char start))
4373     (move-to-column column)
4374
4375     (if (not goto-next)
4376         (if wl-summary-buffer-disp-msg
4377             (wl-summary-redisplay))
4378       (if interactive
4379           (cond
4380            ((and (not downward) wl-summary-buffer-prev-folder-function)
4381             (funcall wl-summary-buffer-prev-folder-function))
4382            ((and downward wl-summary-buffer-next-folder-function)
4383             (funcall wl-summary-buffer-next-folder-function))
4384            (t
4385             (when wl-auto-select-next
4386               (setq next-entity
4387                     (if downward
4388                         (wl-summary-get-next-folder)
4389                       (wl-summary-get-prev-folder)))
4390               (if next-entity
4391                   (setq finfo (wl-folder-get-entity-info next-entity))))
4392             (wl-ask-folder
4393              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4394              (format
4395               "No more messages. Type SPC to go to %s."
4396               (wl-summary-entity-info-msg next-entity finfo)))))))))
4397
4398 (defun wl-summary-prev (&optional interactive)
4399   (interactive)
4400   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4401
4402 (defun wl-summary-next (&optional interactive)
4403   (interactive)
4404   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4405
4406 (defun wl-summary-up (&optional interactive skip-no-unread)
4407   ""
4408   (interactive)
4409   (if wl-summary-move-direction-toggle
4410       (setq wl-summary-move-direction-downward nil))
4411   (if (wl-summary-cursor-up)
4412       (if wl-summary-buffer-disp-msg
4413           (wl-summary-redisplay))
4414     (if (or interactive
4415             (interactive-p))
4416         (if wl-summary-buffer-prev-folder-function
4417             (funcall wl-summary-buffer-prev-folder-function)
4418           (let (next-entity finfo)
4419             (when wl-auto-select-next
4420               (progn
4421                 (setq next-entity (wl-summary-get-prev-unread-folder))
4422                 (if next-entity
4423                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4424             (if (and skip-no-unread
4425                      (eq wl-auto-select-next 'skip-no-unread))
4426                 (wl-summary-next-folder-or-exit next-entity t)
4427               (wl-ask-folder
4428                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4429                (format
4430                 "No more unread messages. Type SPC to go to %s."
4431                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4432
4433 (defun wl-summary-get-prev-folder ()
4434   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4435         last-entity cur-id)
4436     (when folder-buf
4437       (setq cur-id (save-excursion (set-buffer folder-buf)
4438                                    wl-folder-buffer-cur-entity-id))
4439       (wl-folder-get-prev-folder cur-id))))
4440
4441 (defun wl-summary-get-next-folder ()
4442   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4443         cur-id)
4444     (when folder-buf
4445       (setq cur-id (save-excursion (set-buffer folder-buf)
4446                                    wl-folder-buffer-cur-entity-id))
4447       (wl-folder-get-next-folder cur-id))))
4448
4449 (defun wl-summary-get-next-unread-folder ()
4450   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4451         cur-id)
4452     (when folder-buf
4453       (setq cur-id (save-excursion (set-buffer folder-buf)
4454                                    wl-folder-buffer-cur-entity-id))
4455       (wl-folder-get-next-folder cur-id 'unread))))
4456
4457 (defun wl-summary-get-prev-unread-folder ()
4458   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4459         cur-id)
4460     (when folder-buf
4461       (setq cur-id (save-excursion (set-buffer folder-buf)
4462                                    wl-folder-buffer-cur-entity-id))
4463       (wl-folder-get-prev-folder cur-id 'unread))))
4464
4465 (defun wl-summary-down (&optional interactive skip-no-unread)
4466   (interactive)
4467   (if wl-summary-move-direction-toggle
4468       (setq wl-summary-move-direction-downward t))
4469   (if (wl-summary-cursor-down)
4470       (if wl-summary-buffer-disp-msg
4471           (wl-summary-redisplay))
4472     (if (or interactive
4473             (interactive-p))
4474         (if wl-summary-buffer-next-folder-function
4475             (funcall wl-summary-buffer-next-folder-function)
4476           (let (next-entity finfo)
4477             (when wl-auto-select-next
4478               (setq next-entity (wl-summary-get-next-unread-folder)))
4479             (if next-entity
4480                 (setq finfo (wl-folder-get-entity-info next-entity)))
4481             (if (and skip-no-unread
4482                      (eq wl-auto-select-next 'skip-no-unread))
4483                 (wl-summary-next-folder-or-exit next-entity)
4484               (wl-ask-folder
4485                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4486                (format
4487                 "No more unread messages. Type SPC to go to %s."
4488                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4489
4490 (defun wl-summary-goto-last-displayed-msg ()
4491   (interactive)
4492   (unless wl-summary-buffer-last-displayed-msg
4493     (setq wl-summary-buffer-last-displayed-msg
4494           wl-summary-buffer-current-msg))
4495   (if wl-summary-buffer-last-displayed-msg
4496       (progn
4497         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4498         (if wl-summary-buffer-disp-msg
4499             (wl-summary-redisplay)))
4500     (message "No last message.")))
4501
4502 (defun wl-summary-message-display-type ()
4503   (when (and wl-summary-buffer-disp-msg
4504              (buffer-live-p wl-message-buffer)
4505              wl-summary-buffer-current-msg
4506              (wl-summary-message-number)
4507              (= (wl-summary-message-number) wl-summary-buffer-current-msg))
4508     (wl-message-buffer-display-type wl-message-buffer)))
4509
4510 (defun wl-summary-buffer-display-mime-mode ()
4511   (or (wl-message-display-type-property (wl-summary-message-display-type)
4512                                         :mime)
4513       wl-summary-buffer-display-mime-mode))
4514
4515 (defun wl-summary-buffer-display-header-mode ()
4516   (or (wl-message-display-type-property (wl-summary-message-display-type)
4517                                         :header)
4518       wl-summary-buffer-display-header-mode))
4519
4520 (defun wl-summary-toggle-mime (&optional arg)
4521   "Toggle MIME decoding.
4522 If ARG is non-nil, ask coding-system to display the message in the current
4523 MIME analysis mode.
4524
4525 If ARG is numeric number, decode message as following:
4526 1: Enable MIME analysis.
4527 2: Enable MIME analysis only for headers.
4528 3: Disable MIME analysis."
4529   (interactive "P")
4530   (let ((mime-mode (wl-summary-buffer-display-mime-mode))
4531         (elmo-mime-display-as-is-coding-system
4532          elmo-mime-display-as-is-coding-system))
4533     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4534         (progn
4535           (setq wl-summary-buffer-display-mime-mode mime-mode)
4536           (wl-summary-update-modeline))
4537       (cond
4538        ((numberp arg)
4539         (setq mime-mode (case arg
4540                           (1 'mime)
4541                           (2 'header-only)
4542                           (3 'as-is)
4543 ;;;                       (4 'decode-only)
4544                           (5 'no-merge))))
4545        (arg
4546         ;; Specify coding-system (doesn't change the MIME mode).
4547         (setq elmo-mime-display-as-is-coding-system
4548               (if (and arg
4549                        (not (wl-message-mime-analysis-p
4550                              (wl-summary-message-display-type))))
4551                   (or (read-coding-system "Coding system: ")
4552                       elmo-mime-display-as-is-coding-system)
4553                 elmo-mime-display-as-is-coding-system)))
4554        (t
4555         ;; Change the MIME mode.
4556         (setq mime-mode (or (cadr (memq mime-mode
4557                                         wl-summary-display-mime-mode-list))
4558                             (car wl-summary-display-mime-mode-list)))))
4559       (wl-summary-redisplay-internal nil nil arg mime-mode))
4560     (message "MIME decoding: %s%s"
4561              (upcase (symbol-name mime-mode))
4562              (if (and (not (eq mime-mode 'mime))
4563                       (not (eq elmo-mime-display-as-is-coding-system
4564                                wl-cs-autoconv)))
4565                  (concat " ("
4566                          (symbol-name elmo-mime-display-as-is-coding-system)
4567                          ")")
4568                ""))))
4569
4570 (defun wl-summary-redisplay (&optional arg)
4571   "Redisplay message."
4572   (interactive "P")
4573   (apply #'wl-summary-redisplay-internal nil nil arg
4574          (unless (and (consp arg) (> (prefix-numeric-value arg) 4))
4575            (list wl-summary-buffer-display-mime-mode
4576                  wl-summary-buffer-display-header-mode))))
4577
4578 (defun wl-summary-toggle-all-header (&optional arg)
4579   "Toggle displaying message with all header."
4580   (interactive "P")
4581   (let ((header-mode (wl-summary-buffer-display-header-mode)))
4582     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4583         (setq wl-summary-buffer-display-header-mode header-mode)
4584       (wl-summary-redisplay-internal
4585        nil nil arg nil
4586        (if (eq header-mode 'all) 'partial 'all)))))
4587
4588 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4589                                                 mime-mode header-mode)
4590   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4591          (num (or number (wl-summary-message-number)))
4592          (wl-mime-charset      wl-summary-buffer-mime-charset)
4593          (default-mime-charset wl-summary-buffer-mime-charset)
4594          fld-buf fld-win thr-entity
4595          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4596                                          (and force-reload
4597                                               elmo-message-fetch-threshold))))
4598     (if (and wl-thread-open-reading-thread
4599              (eq wl-summary-buffer-view 'thread)
4600              (not (wl-thread-entity-get-opened
4601                    (setq thr-entity (wl-thread-get-entity
4602                                      num))))
4603              (wl-thread-entity-get-children thr-entity))
4604         (wl-thread-force-open))
4605     (if num
4606         (progn
4607           (setq wl-summary-buffer-disp-msg t)
4608           (setq wl-summary-buffer-last-displayed-msg
4609                 wl-summary-buffer-current-msg)
4610           ;; hide folder window
4611           (if (and (not wl-stay-folder-window)
4612                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4613               (if (setq fld-win (get-buffer-window fld-buf))
4614                   (delete-window fld-win)))
4615           (setq wl-current-summary-buffer (current-buffer))
4616           (wl-message-redisplay folder num
4617                                 (wl-message-make-display-type
4618                                  (or mime-mode
4619                                      (wl-summary-buffer-display-mime-mode))
4620                                  (or header-mode
4621                                      (wl-summary-buffer-display-header-mode)))
4622                                 (or force-reload
4623                                     (string= (elmo-folder-name-internal folder)
4624                                              wl-draft-folder)))
4625           (when (elmo-message-use-cache-p folder num)
4626             (elmo-message-set-cached folder num t))
4627           (ignore-errors
4628             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4629                                         num
4630                                         'unread)
4631                 (wl-summary-mark-as-read num)
4632               (wl-summary-count-unread)
4633               (wl-summary-update-modeline)
4634               (wl-folder-update-unread
4635                (wl-summary-buffer-folder-name)
4636                wl-summary-buffer-unread-count)))
4637           (setq wl-summary-buffer-current-msg num)
4638           (when wl-summary-recenter
4639             (recenter (/ (- (window-height) 2) 2))
4640             (if (not wl-summary-indent-length-limit)
4641                 (wl-horizontal-recenter)))
4642           (wl-highlight-summary-displaying)
4643           (wl-message-buffer-prefetch-next
4644            folder num
4645            (min (or wl-message-buffer-prefetch-depth 0)
4646                 (1- wl-message-buffer-cache-size))
4647            (current-buffer)
4648            wl-summary-buffer-mime-charset)
4649           (run-hooks 'wl-summary-redisplay-hook))
4650       (message "No message to display."))))
4651
4652 (defun wl-summary-jump-to-current-message ()
4653   "Jump into Message buffer."
4654   (interactive)
4655   (let (message-buf message-win)
4656     (if (setq message-buf wl-message-buffer)
4657         (if (setq message-win (get-buffer-window message-buf))
4658             (select-window message-win)
4659           (wl-message-select-buffer wl-message-buffer))
4660       (wl-summary-redisplay)
4661       (wl-message-select-buffer wl-message-buffer))))
4662
4663 (defun wl-summary-cancel-message ()
4664   "Cancel an article on news."
4665   (interactive)
4666   (if (null (wl-summary-message-number))
4667       (message "No message.")
4668     (let ((summary-buf (current-buffer))
4669           message-buf)
4670       (wl-summary-set-message-buffer-or-redisplay)
4671       (if (setq message-buf (wl-message-get-original-buffer))
4672           (set-buffer message-buf))
4673       (unless (wl-message-news-p)
4674         (set-buffer summary-buf)
4675         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4676                      'nntp)
4677                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4678             (progn
4679               (wl-summary-redisplay t)
4680               (wl-summary-supersedes-message))
4681           (error "This is not a news article; supersedes is impossible")))
4682       (when (yes-or-no-p "Do you really want to cancel this article? ")
4683         (let (from newsgroups message-id distribution buf)
4684           (save-excursion
4685             (setq from (std11-field-body "from")
4686                   newsgroups (std11-field-body "newsgroups")
4687                   message-id (std11-field-body "message-id")
4688                   distribution (std11-field-body "distribution"))
4689             ;; Make sure that this article was written by the user.
4690             (unless (wl-address-user-mail-address-p
4691                      (wl-address-header-extract-address
4692                       (car (wl-parse-addresses from))))
4693               (error "This article is not yours"))
4694             ;; Make control message.
4695             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4696             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4697             (buffer-disable-undo (current-buffer))
4698             (erase-buffer)
4699             (insert "Newsgroups: " newsgroups "\n"
4700                     "From: " (wl-address-header-extract-address
4701                               wl-from) "\n"
4702                               "Subject: cmsg cancel " message-id "\n"
4703                               "Control: cancel " message-id "\n"
4704                               (if distribution
4705                                   (concat "Distribution: " distribution "\n")
4706                                 "")
4707                               mail-header-separator "\n"
4708                               wl-summary-cancel-message)
4709             (message "Canceling your message...")
4710             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4711             (message "Canceling your message...done")))))))
4712
4713 (defun wl-summary-supersedes-message ()
4714   "Supersede current message."
4715   (interactive)
4716   (wl-summary-toggle-disp-msg 'off)
4717   (let ((summary-buf (current-buffer))
4718         message-buf from)
4719     (wl-summary-set-message-buffer-or-redisplay)
4720     (if (setq message-buf (wl-message-get-original-buffer))
4721         (set-buffer message-buf))
4722     (unless (wl-message-news-p)
4723       (set-buffer summary-buf)
4724       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4725                    'nntp)
4726                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4727           (progn
4728             (wl-summary-redisplay t)
4729             (wl-summary-supersedes-message))
4730         (error "This is not a news article; supersedes is impossible")))
4731     (save-excursion
4732       (setq from (std11-field-body "from"))
4733       ;; Make sure that this article was written by the user.
4734       (unless (wl-address-user-mail-address-p
4735                (wl-address-header-extract-address
4736                 (car (wl-parse-addresses from))))
4737         (error "This article is not yours"))
4738       (let* ((message-id (std11-field-body "message-id"))
4739              (followup-to (std11-field-body "followup-to"))
4740              (mail-default-headers
4741               (concat mail-default-headers
4742                       "Supersedes: " message-id "\n"
4743                       (and followup-to
4744                            (concat "Followup-To: " followup-to "\n")))))
4745         (if message-buf (set-buffer message-buf))
4746         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4747
4748 (defun wl-summary-save (&optional arg wl-save-dir)
4749   "Save current message to disk."
4750   (interactive)
4751   (let ((filename)
4752         (num (wl-summary-message-number)))
4753     (unless wl-save-dir
4754       (setq wl-save-dir wl-temporary-file-directory))
4755     (if num
4756         (save-excursion
4757           (setq filename (expand-file-name
4758                           (concat (int-to-string num)
4759                                   wl-summary-save-file-suffix)
4760                           wl-save-dir))
4761           (when (or (null arg)
4762                     (file-exists-p filename))
4763             (setq filename (read-file-name "Save to file: " filename)))
4764           (wl-summary-set-message-buffer-or-redisplay)
4765           (set-buffer (wl-message-get-original-buffer))
4766           (when (or arg
4767                     (not (file-exists-p filename))
4768                     (y-or-n-p "File already exists.  override it? "))
4769             (write-region-as-binary (point-min) (point-max) filename)))
4770       (message "No message to save."))
4771     num))
4772
4773 (defun wl-summary-save-region (beg end)
4774   (interactive "r")
4775   (save-excursion
4776     (save-restriction
4777       (wl-summary-narrow-to-region beg end)
4778       (goto-char (point-min))
4779       (let ((wl-save-dir
4780              (wl-read-directory-name "Save to directory: "
4781                                      wl-temporary-file-directory)))
4782         (if (null (file-exists-p wl-save-dir))
4783             (make-directory wl-save-dir))
4784         (if (eq wl-summary-buffer-view 'thread)
4785             (progn
4786               (while (not (eobp))
4787                 (let* ((number (wl-summary-message-number))
4788                        (entity (wl-thread-get-entity number)))
4789                   (if (wl-thread-entity-get-opened entity)
4790                       (wl-summary-save t wl-save-dir)
4791                     ;; closed
4792                     (wl-summary-save t wl-save-dir))
4793                   (forward-line 1))))
4794           (while (not (eobp))
4795             (wl-summary-save t wl-save-dir)
4796             (forward-line 1)))))))
4797
4798 ;; mew-summary-pipe-message()
4799 (defun wl-summary-pipe-message (prefix command)
4800   "Send this message via pipe."
4801   (interactive (list current-prefix-arg nil))
4802   (if (null (wl-summary-message-number))
4803       (message "No message.")
4804     (setq command (read-string "Shell command on message: "
4805                                wl-summary-shell-command-last))
4806     (if (y-or-n-p "Send this message to pipe? ")
4807         (wl-summary-pipe-message-subr prefix command))))
4808
4809 (defun wl-summary-target-mark-pipe (prefix command)
4810   "Send each marked messages via pipe."
4811   (interactive (list current-prefix-arg nil))
4812   (if (null wl-summary-buffer-target-mark-list)
4813       (message "No marked message.")
4814     (setq command (read-string "Shell command on each marked message: "
4815                                wl-summary-shell-command-last))
4816     (when (y-or-n-p "Send each marked message to pipe? ")
4817       (while (car wl-summary-buffer-target-mark-list)
4818         (let ((num (car wl-summary-buffer-target-mark-list)))
4819           (wl-thread-jump-to-msg num)
4820           (wl-summary-pipe-message-subr prefix command)
4821           (wl-summary-unmark))))))
4822
4823 (defun wl-summary-pipe-message-subr (prefix command)
4824   (save-excursion
4825     (wl-summary-set-message-buffer-or-redisplay)
4826     (set-buffer (wl-message-get-original-buffer))
4827     (if (string= command "")
4828         (setq command wl-summary-shell-command-last))
4829     (goto-char (point-min)) ; perhaps this line won't be necessary
4830     (if prefix
4831         (search-forward "\n\n"))
4832     (shell-command-on-region (point) (point-max) command nil)
4833     (setq wl-summary-shell-command-last command)))
4834
4835 (defun wl-summary-print-message (&optional arg)
4836   (interactive "P")
4837   (if (null (wl-summary-message-number))
4838       (message "No message.")
4839     (save-excursion
4840       (wl-summary-set-message-buffer-or-redisplay)
4841       (if (or (not (interactive-p))
4842               (y-or-n-p "Print ok? "))
4843           (progn
4844             (let ((buffer (generate-new-buffer " *print*")))
4845               (copy-to-buffer buffer (point-min) (point-max))
4846               (set-buffer buffer)
4847               (funcall wl-print-buffer-function)
4848               (kill-buffer buffer)))
4849         (message "")))))
4850
4851 (defun wl-summary-print-message-with-ps-print (&optional filename)
4852   "Print message via ps-print."
4853   (interactive)
4854   (if (null (wl-summary-message-number))
4855       (message "No message.")
4856     (setq filename (ps-print-preprint current-prefix-arg))
4857     (if (or (not (interactive-p))
4858             (y-or-n-p "Print ok? "))
4859         (let ((summary-buffer (current-buffer))
4860               wl-break-pages)
4861           (save-excursion
4862             (wl-summary-set-message-buffer-or-redisplay)
4863             (let* ((buffer (generate-new-buffer " *print*"))
4864                    (entity (progn
4865                              (set-buffer summary-buffer)
4866                              (elmo-message-entity
4867                               wl-summary-buffer-elmo-folder
4868                               (wl-summary-message-number))))
4869                    (wl-ps-subject
4870                     (or (elmo-message-entity-field entity 'subject 'string)
4871                         ""))
4872                    (wl-ps-from
4873                     (or (elmo-message-entity-field entity 'from 'string)
4874                         ""))
4875                    (wl-ps-date
4876                     (or (elmo-message-entity-field entity 'date 'string)
4877                         "")))
4878               (run-hooks 'wl-ps-preprint-hook)
4879               (set-buffer wl-message-buffer)
4880               (copy-to-buffer buffer (point-min) (point-max))
4881               (set-buffer buffer)
4882               (unwind-protect
4883                   (let ((ps-left-header
4884                          (list (concat "(" wl-ps-subject ")")
4885                                (concat "(" wl-ps-from ")")))
4886                         (ps-right-header
4887                          (list "/pagenumberstring load"
4888                                (concat "(" wl-ps-date ")"))))
4889                     (run-hooks 'wl-ps-print-hook)
4890                     (funcall wl-ps-print-buffer-function filename))
4891                 (kill-buffer buffer)))))
4892       (message ""))))
4893
4894 (if (featurep 'ps-print) ; ps-print is available.
4895     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4896
4897 (defun wl-summary-target-mark-print ()
4898   (interactive)
4899   (wl-summary-check-target-mark)
4900   (when (y-or-n-p "Print all marked messages. OK? ")
4901     (while (car wl-summary-buffer-target-mark-list)
4902       (let ((num (car wl-summary-buffer-target-mark-list)))
4903         (wl-thread-jump-to-msg num)
4904         (wl-summary-print-message)
4905         (wl-summary-unmark)))))
4906
4907 (defun wl-summary-folder-info-update ()
4908   (wl-folder-set-folder-updated
4909    (elmo-string (wl-summary-buffer-folder-name))
4910    (list 0
4911          wl-summary-buffer-unread-count
4912          (elmo-folder-length
4913           wl-summary-buffer-elmo-folder))))
4914
4915 (defun wl-summary-get-original-buffer ()
4916   "Get original buffer for the current summary."
4917   (save-excursion
4918     (wl-summary-set-message-buffer-or-redisplay)
4919     (wl-message-get-original-buffer)))
4920
4921 (defun wl-summary-pack-number (&optional arg)
4922   (interactive "P")
4923   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4924   (let (wl-use-scoring)
4925     (wl-summary-rescan nil nil nil t)))
4926
4927 (defun wl-summary-target-mark-uudecode ()
4928   (interactive)
4929   (wl-summary-check-target-mark)
4930   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4931         (summary-buf (current-buffer))
4932         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4933         orig-buf i k filename rc errmsg)
4934     (setq i 1)
4935     (setq k (length mlist))
4936     (set-buffer tmp-buf)
4937     (erase-buffer)
4938     (save-window-excursion
4939       (while mlist
4940         (set-buffer summary-buf)
4941         (wl-summary-jump-to-msg (car mlist))
4942         (wl-summary-redisplay)
4943         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4944         (goto-char (point-min))
4945         (cond ((= i 1) ; first
4946                (if (setq filename (wl-message-uu-substring
4947                                    orig-buf tmp-buf t
4948                                    (= i k)))
4949                    nil
4950                  (error "Can't find begin line")))
4951               ((< i k)
4952                (wl-message-uu-substring orig-buf tmp-buf))
4953               (t ; last
4954                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4955         (setq i (1+ i))
4956         (setq mlist (cdr mlist)))
4957       (set-buffer tmp-buf)
4958       (message "Exec %s..." wl-prog-uudecode)
4959       (unwind-protect
4960           (let ((decode-dir wl-temporary-file-directory))
4961             (if (not wl-prog-uudecode-no-stdout-option)
4962                 (setq filename (read-file-name "Save to file: "
4963                                                (expand-file-name
4964                                                 (elmo-safe-filename filename)
4965                                                 wl-temporary-file-directory)))
4966               (setq decode-dir
4967                     (wl-read-directory-name "Save to directory: "
4968                                             wl-temporary-file-directory))
4969               (setq filename (expand-file-name filename decode-dir)))
4970             (if (file-exists-p filename)
4971                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4972                                          filename))
4973                     (error "")))
4974             (elmo-bind-directory
4975              decode-dir
4976              (setq rc
4977                    (as-binary-process
4978                     (apply 'call-process-region (point-min) (point-max)
4979                            wl-prog-uudecode t (current-buffer) nil
4980                            wl-prog-uudecode-arg))))
4981             (when (not (= 0 rc))
4982               (setq errmsg (buffer-substring (point-min)(point-max)))
4983               (error "Uudecode error: %s" errmsg))
4984             (if (not wl-prog-uudecode-no-stdout-option)
4985                 (let (file-name-handler-alist) ;; void jka-compr
4986                   (as-binary-output-file
4987                    (write-region (point-min) (point-max)
4988                                  filename nil 'no-msg))))
4989             (save-excursion
4990               (set-buffer summary-buf)
4991               (wl-summary-delete-all-target-marks))
4992             (if (file-exists-p filename)
4993                 (message "Saved as %s" filename)))
4994         (kill-buffer tmp-buf)))))
4995
4996 ;; Someday
4997 ;; (defun wl-summary-drop-unsync ()
4998 ;;   "Drop all unsync messages."
4999 ;;   (interactive)
5000 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
5001 ;;       (error "You cannot drop unsync messages in this folder"))
5002 ;;   (if (or (not (interactive-p))
5003 ;;        (y-or-n-p "Drop all unsync messages? "))
5004 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
5005 ;;                         (wl-summary-buffer-folder-name)))
5006 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
5007 ;;           (sum 0)
5008 ;;           (multi-num 0)
5009 ;;           pair)
5010 ;;      (message "Dropping...")
5011 ;;      (while folder-list
5012 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
5013 ;;        (when is-multi ;; dirty hack...
5014 ;;          (incf multi-num)
5015 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
5016 ;;                          (car pair))))
5017 ;;        (elmo-msgdb-set-number-alist
5018 ;;         (wl-summary-buffer-msgdb)
5019 ;;         (nconc
5020 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5021 ;;          (list (cons (car pair) nil))))
5022 ;;        (setq sum (+ sum (cdr pair)))
5023 ;;        (setq folder-list (cdr folder-list)))
5024 ;;      (wl-summary-set-message-modified)
5025 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5026 ;;                                    (list 0
5027 ;;                                          (+ wl-summary-buffer-unread-count
5028 ;;                                             wl-summary-buffer-new-count)
5029 ;;                                          sum))
5030 ;;      (message "Dropping...done"))))
5031
5032 (defun wl-summary-default-get-next-msg (msg)
5033   (or (wl-summary-next-message msg
5034                                (if wl-summary-move-direction-downward 'down
5035                                  'up)
5036                                nil)
5037       (cadr (memq msg (if wl-summary-move-direction-downward
5038                           wl-summary-buffer-number-list
5039                         (reverse wl-summary-buffer-number-list))))))
5040
5041 (defun wl-summary-save-current-message ()
5042   "Save current message for `wl-summary-yank-saved-message'."
5043   (interactive)
5044   (let ((number (wl-summary-message-number)))
5045     (setq wl-summary-buffer-saved-message number)
5046     (and number (message "No: %s is saved." number))))
5047
5048 (defun wl-summary-yank-saved-message ()
5049   "Set current message as a parent of the saved message."
5050   (interactive)
5051   (if wl-summary-buffer-saved-message
5052       (let ((number (wl-summary-message-number)))
5053         (if (eq wl-summary-buffer-saved-message number)
5054             (message "Cannot set itself as a parent.")
5055           (save-excursion
5056             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5057             (wl-thread-set-parent number)
5058             (wl-summary-set-thread-modified))
5059           (setq  wl-summary-buffer-saved-message nil)))
5060     (message "There's no saved message.")))
5061
5062 (defun wl-summary-toggle-header-narrowing ()
5063   "Toggle message header narrowing."
5064   (interactive)
5065   (when wl-message-use-header-narrowing
5066     (save-selected-window
5067       (let* ((mbuf wl-message-buffer)
5068              (mwin (when mbuf (get-buffer-window mbuf)))
5069              (wpos (when mwin (window-start mwin))))
5070         (when mbuf
5071           (set-buffer mbuf)
5072           (wl-message-header-narrowing-toggle)
5073           (and wpos (set-window-start mwin wpos)))))))
5074
5075 (require 'product)
5076 (product-provide (provide 'wl-summary) (require 'wl-version))
5077
5078 ;;; wl-summary.el ends here