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 (eval-when-compile (require 'elmo-filter))
  41 (require 'wl-message)
  42 (require 'wl-vars)
  43 (require 'wl-highlight)
  44 (require 'wl-refile)
  45 (require 'wl-util)
  46 (condition-case nil (require 'timezone) (error nil))
  47 (condition-case nil (require 'easymenu) (error nil))
  48 (require 'elmo-date)
  49 (condition-case nil (require 'ps-print) (error nil))
  50
  51 (eval-when-compile
  52   (require 'cl)
  53   (condition-case () (require 'timer) (error nil))
  54   (defalias-maybe 'ps-print-buffer-with-faces 'ignore)
  55   (defalias-maybe 'elmo-database-msgid-put 'ignore)
  56   (defalias-maybe 'elmo-database-close 'ignore)
  57   (defalias-maybe 'elmo-database-msgid-get 'ignore)
  58   (defalias-maybe 'run-with-idle-timer 'ignore)
  59   (defalias-maybe 'ps-print-preprint 'ignore))
  60
  61 (defvar dragdrop-drop-functions)
  62 (defvar scrollbar-height)
  63 (defvar mail-reply-buffer)
  64 (defvar elmo-global-flags)
  65
  66 (defvar wl-summary-buffer-name "Summary")
  67 (defvar wl-summary-mode-map nil)
  68 (defvar wl-current-summary-buffer nil)
  69
  70 (defvar wl-summary-buffer-elmo-folder nil)
  71
  72 (defun wl-summary-buffer-folder-name ()
  73   (and wl-summary-buffer-elmo-folder
  74        (elmo-folder-name-internal wl-summary-buffer-elmo-folder)))
  75
  76 (defvar wl-summary-buffer-disp-msg    nil)
  77 (defvar wl-summary-buffer-disp-folder nil)
  78 (defvar wl-summary-buffer-temp-mark-list nil)
  79 (defvar wl-summary-buffer-message-ring nil)
  80 (defvar wl-summary-buffer-current-msg nil)
  81 (defvar wl-summary-buffer-unread-count 0)
  82 (defvar wl-summary-buffer-new-count    0)
  83 (defvar wl-summary-buffer-answered-count 0)
  84 (defvar wl-summary-buffer-mime-charset  nil)
  85 (defvar wl-summary-buffer-weekday-name-lang  nil)
  86 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  87 (defvar wl-summary-buffer-view nil)
  88 (defvar wl-summary-buffer-message-modified nil)
  89 (defvar wl-summary-buffer-thread-modified nil)
  90
  91 (defvar wl-summary-buffer-number-column nil)
  92 (defvar wl-summary-buffer-temp-mark-column nil)
  93 (defvar wl-summary-buffer-persistent-mark-column nil)
  94
  95 (defvar wl-summary-buffer-persistent-mark-version 0)
  96
  97 (defvar wl-summary-buffer-persistent nil)
  98 (defvar wl-summary-buffer-thread-nodes nil)
  99 (defvar wl-summary-buffer-target-mark-list nil)
 100 (defvar wl-summary-buffer-prev-refile-destination nil)
 101 (defvar wl-summary-buffer-saved-message nil)
 102 (defvar wl-summary-buffer-prev-folder-function nil)
 103 (defvar wl-summary-buffer-next-folder-function nil)
 104 (defvar wl-summary-buffer-exit-function nil)
 105 (defvar wl-summary-buffer-next-message-function nil)
 106 (defvar wl-summary-buffer-window-scroll-functions nil)
 107 (defvar wl-summary-buffer-number-list nil)
 108 (defvar wl-summary-buffer-folder-name nil)
 109 (defvar wl-summary-buffer-line-formatter nil)
 110 (defvar wl-summary-buffer-line-format nil)
 111 (defvar wl-summary-buffer-mode-line-formatter nil)
 112 (defvar wl-summary-buffer-mode-line nil)
 113 (defvar wl-summary-buffer-display-mime-mode 'mime)
 114 (defvar wl-summary-buffer-display-header-mode 'partial)
 115
 116 (defvar wl-thread-indent-level-internal nil)
 117 (defvar wl-thread-have-younger-brother-str-internal nil)
 118 (defvar wl-thread-youngest-child-str-internal nil)
 119 (defvar wl-thread-vertical-str-internal nil)
 120 (defvar wl-thread-horizontal-str-internal nil)
 121 (defvar wl-thread-space-str-internal nil)
 122 (defvar wl-summary-last-visited-folder nil)
 123 (defvar wl-read-folder-history nil)
 124 (defvar wl-summary-scored nil)
 125 (defvar wl-crosspost-alist-modified nil)
 126 (defvar wl-summary-alike-hashtb nil)
 127 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 128 (defvar wl-summary-delayed-update nil)
 129 (defvar wl-summary-search-buf-folder-name nil)
 130
 131 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 132
 133 (defvar wl-summary-shell-command-last "")
 134
 135 (defvar wl-ps-preprint-hook nil)
 136 (defvar wl-ps-print-hook nil)
 137
 138 (defvar wl-thread-saved-entity-hashtb-internal nil)
 139
 140 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 141 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 142 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 143 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 144 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 146 (make-variable-buffer-local 'wl-summary-buffer-message-ring)
 147 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 148 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 150 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 151 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 152 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 153 (make-variable-buffer-local 'wl-summary-buffer-view)
 154 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 155 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 156 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 157 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 159 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-version)
 160 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 161 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 162 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 163 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 164 (make-variable-buffer-local 'wl-summary-scored)
 165 (make-variable-buffer-local 'wl-summary-default-score)
 166 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 167 (make-variable-buffer-local 'wl-summary-important-above)
 168 (make-variable-buffer-local 'wl-summary-target-above)
 169 (make-variable-buffer-local 'wl-summary-mark-below)
 170 (make-variable-buffer-local 'wl-summary-expunge-below)
 171 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 172 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 173 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 174 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 175 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 176 (make-variable-buffer-local 'wl-thread-space-str-internal)
 177 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 179 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 180 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 181 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 182 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 183 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 184 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 185 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 186 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 187 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 188 (make-variable-buffer-local 'wl-summary-buffer-display-mime-mode)
 189 (make-variable-buffer-local 'wl-summary-buffer-display-header-mode)
 190
 191 (defvar wl-datevec)
 192 (defvar wl-thr-indent-string)
 193 (defvar wl-thr-children-number)
 194 (defvar wl-thr-linked)
 195 (defvar wl-message-entity)
 196 (defvar wl-parent-message-entity)
 197 (defvar wl-temp-mark)
 198 (defvar wl-persistent-mark)
 199
 200 (defun wl-summary-sticky-buffer-name (name)
 201   (concat wl-summary-buffer-name ":" name))
 202
 203 (defun wl-summary-default-subject (subject-string)
 204   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 205       (substring subject-string (match-end 0))
 206     subject-string))
 207
 208 (defun wl-summary-default-from (from)
 209   "Instance of `wl-summary-from-function'.
 210 Ordinarily returns the sender name. Returns recipient names if (1)
 211 summary's folder name matches with `wl-summary-showto-folder-regexp'
 212 and (2) sender address is yours.
 213
 214 See also variable `wl-use-petname'."
 215   (let ((translator (if wl-use-petname
 216                         (lambda (string)
 217                           (or (funcall wl-summary-get-petname-function string)
 218                               (car (std11-extract-address-components string))
 219                               string))
 220                       #'identity))
 221         to ng)
 222     (or (and (eq major-mode 'wl-summary-mode)
 223              (stringp wl-summary-showto-folder-regexp)
 224              (string-match wl-summary-showto-folder-regexp
 225                            (wl-summary-buffer-folder-name))
 226              (wl-address-user-mail-address-p from)
 227              (cond
 228               ((setq to (elmo-message-entity-field wl-message-entity 'to))
 229                (concat "To:" (mapconcat translator to ",")))
 230               ((setq ng (elmo-message-entity-field wl-message-entity
 231                                                    'newsgroups))
 232                (concat "Ng:" ng))))
 233         (funcall translator from))))
 234
 235 (defun wl-summary-simple-from (string)
 236   (if wl-use-petname
 237       (or (funcall wl-summary-get-petname-function string)
 238           (car (std11-extract-address-components string))
 239           string)
 240     string))
 241
 242 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 243 (defvar wl-summary-default-sort-spec 'date)
 244
 245 (defvar wl-summary-mode-menu-spec
 246   '("Summary"
 247     ["Read" wl-summary-read t]
 248     ["Prev page" wl-summary-prev-page t]
 249     ["Next page" wl-summary-next-page t]
 250     ["Top"       wl-summary-display-top t]
 251     ["Bottom"    wl-summary-display-bottom t]
 252     ["Prev"      wl-summary-prev t]
 253     ["Next"      wl-summary-next t]
 254     ["Up"        wl-summary-up t]
 255     ["Down"      wl-summary-down t]
 256     ["Parent message" wl-summary-jump-to-parent-message t]
 257     "----"
 258     ["Sync"            wl-summary-sync t]
 259     ["Execute"         wl-summary-exec t]
 260     ["Go to other folder" wl-summary-goto-folder t]
 261     ["Pick" wl-summary-pick t]
 262     ["Mark as read all" wl-summary-mark-as-read-all t]
 263     ["Unmark all"      wl-summary-unmark-all t]
 264     ["Toggle display message" wl-summary-toggle-disp-msg t]
 265     ["Display folder" wl-summary-toggle-disp-folder t]
 266     ["Toggle threading" wl-summary-toggle-thread t]
 267     ["Stick" wl-summary-stick t]
 268     ("Sort"
 269      ["By Number" wl-summary-sort-by-number t]
 270      ["By Size" wl-summary-sort-by-size t]
 271      ["By Date" wl-summary-sort-by-date t]
 272      ["By From" wl-summary-sort-by-from t]
 273      ["By Subject" wl-summary-sort-by-subject t]
 274      ["By List Info" wl-summary-sort-by-list-info t])
 275     "----"
 276     ("Message Operation"
 277      ["Mark as read"    wl-summary-mark-as-read t]
 278      ["Set flags"       wl-summary-set-flags t]
 279      ["Mark as unread"   wl-summary-mark-as-unread t]
 280      ["Mark as answered" wl-summary-mark-as-answered t]
 281      ["Set dispose mark" wl-summary-dispose t]
 282      ["Set refile mark" wl-summary-refile t]
 283      ["Set copy mark"   wl-summary-copy t]
 284      ["Set resend mark" wl-summary-resend t]
 285      ["Prefetch"        wl-summary-prefetch t]
 286      ["Set target mark" wl-summary-target-mark t]
 287      ["Unmark"          wl-summary-unmark t]
 288      ["Save"            wl-summary-save t]
 289      ["Cancel posted news" wl-summary-cancel-message t]
 290      ["Supersedes message" wl-summary-supersedes-message t]
 291      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 292      ["Enter the message" wl-summary-jump-to-current-message t]
 293      ["Pipe message" wl-summary-pipe-message t]
 294      ["Print message" wl-summary-print-message t]
 295      ["View raw message" wl-summary-display-raw t])
 296     ("Thread Operation"
 297      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 298      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 299      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 300      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 301      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 302      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 303      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 304      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 305      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 306      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 307      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 308      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 309      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 310      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 311      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 312     ("Region Operation"
 313      ["Mark as read" wl-summary-mark-as-read-region t]
 314      ["Set flags" wl-summary-set-flags-region t]
 315      ["Mark as unread" wl-summary-mark-as-unread-region t]
 316      ["Mark as answered" wl-summary-mark-as-answered-region t]
 317      ["Set dispose mark" wl-summary-dispose-region t]
 318      ["Set refile mark" wl-summary-refile-region t]
 319      ["Set copy mark" wl-summary-copy-region t]
 320      ["Prefetch" wl-summary-prefetch-region t]
 321      ["Set target mark" wl-summary-target-mark-region t]
 322      ["Unmark" wl-summary-unmark-region t]
 323      ["Save" wl-summary-save-region t]
 324      ["Execute" wl-summary-exec-region t])
 325     ("Mark Operation"
 326      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 327      ["Set flags" wl-summary-target-mark-set-flags t]
 328      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 329      ["Set delete mark" wl-summary-target-mark-delete t]
 330      ["Set refile mark" wl-summary-target-mark-refile t]
 331      ["Set copy mark" wl-summary-target-mark-copy t]
 332      ["Prefetch" wl-summary-target-mark-prefetch t]
 333      ["Save" wl-summary-target-mark-save t]
 334      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 335      ["Forward" wl-summary-target-mark-forward t]
 336      ["uudecode" wl-summary-target-mark-uudecode t])
 337     ("Score Operation"
 338      ["Switch current score file" wl-score-change-score-file t]
 339      ["Edit current score file" wl-score-edit-current-scores t]
 340      ["Edit score file" wl-score-edit-file t]
 341      ["Set mark below" wl-score-set-mark-below t]
 342      ["Set expunge below" wl-score-set-expunge-below t]
 343      ["Rescore buffer" wl-summary-rescore t]
 344      ["Increase score" wl-summary-increase-score t]
 345      ["Lower score" wl-summary-lower-score t])
 346     "----"
 347     ("Writing Messages"
 348      ["Write a message" wl-summary-write t]
 349      ["Write for current folder" wl-summary-write-current-folder t]
 350      ["Reply" wl-summary-reply t]
 351      ["Reply with citation" wl-summary-reply-with-citation t]
 352      ["Forward" wl-summary-forward t])
 353     "----"
 354     ["Toggle Plug Status" wl-toggle-plugged t]
 355     ["Change Plug Status" wl-plugged-change t]
 356     "----"
 357     ["Exit Current Folder" wl-summary-exit t]))
 358
 359 (if wl-on-xemacs
 360     (defun wl-summary-setup-mouse ()
 361       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 362       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 363       (define-key wl-summary-mode-map [(shift button4)]
 364         'wl-summary-up)
 365       (define-key wl-summary-mode-map [(shift button5)]
 366         'wl-summary-down)
 367       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 368   (defun wl-summary-setup-mouse ()
 369     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 370     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 371     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 372     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 373     ;; For Meadow2
 374     (define-key wl-summary-mode-map [mouse-wheel1]
 375       'wl-summary-wheel-dispatcher)
 376     (define-key wl-summary-mode-map [S-mouse-wheel1]
 377       'wl-summary-wheel-dispatcher)
 378     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 379
 380 (if wl-summary-mode-map
 381     ()
 382   (setq wl-summary-mode-map (make-keymap))
 383   (suppress-keymap wl-summary-mode-map)
 384   (substitute-key-definition 'kill-buffer
 385                              'wl-summary-mimic-kill-buffer
 386                              wl-summary-mode-map
 387                              global-map)
 388   ;; basic commands
 389   (define-key wl-summary-mode-map " "    'wl-summary-read)
 390   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 391   (define-key wl-summary-mode-map ","    'wl-summary-display-raw)
 392   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 393   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 394   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 395   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 396   (define-key wl-summary-mode-map "\r"   'wl-summary-enter-handler)
 397   (define-key wl-summary-mode-map "\C-m" 'wl-summary-enter-handler)
 398   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 399   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 400   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 401   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 402   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 403   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 404   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 405   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 406
 407   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 408   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 409   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 410   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 411   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 412   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 413   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 414   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 415   (define-key wl-summary-mode-map "\M-k"  'wl-summary-toggle-persistent-mark)
 416   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 417   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 418
 419   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 420   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 421   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 422   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 423   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 424   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 425   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 426   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 427   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 428   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 429   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 430   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 431   (define-key wl-summary-mode-map "H"    'wl-summary-toggle-all-header)
 432   (define-key wl-summary-mode-map "M"    'wl-summary-toggle-mime)
 433   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 434   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 435   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 436   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 437   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 438   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 439   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 440
 441   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 442   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 443   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 444   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 445   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 446   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 447
 448   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 449   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 450   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 451   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 452
 453   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 454   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 455   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 456
 457   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 458   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 459   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 460
 461   ;; copy & paste.
 462   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 463   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 464
 465   ;; line commands
 466   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 467   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 468   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 469   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 470   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 471   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 472   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 473   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 474   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 475   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 476   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 477   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 478   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 479
 480   ;; thread commands
 481   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 482   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 483   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 484   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 485   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 486   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 487   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 488   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 489   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 490   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 491   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 492   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 493   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 494   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 495   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 496   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 497   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 498   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 499
 500   ;; target-mark commands
 501   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 502   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 503   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 504   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 505   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 506   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 507   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 508   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 509
 510   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 511
 512   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 513   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 514   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 515   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 516   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 517   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 518   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 519   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 520   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 521   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 522   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 523   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 524   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 525   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 526
 527   ;; region commands
 528   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 529   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 530   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 531   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 532   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 533   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 534   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 535   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 536   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 537   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 538   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 539   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 540   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 541   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 542   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 543   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 544   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 545   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 546
 547   ;; score commands
 548   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 549   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 550   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 551   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 552   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 553   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 554   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 555   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 556   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 557   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 558
 559   ;; misc
 560   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 561   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 562   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 563   ;;
 564   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 565   (wl-summary-setup-mouse)
 566   (easy-menu-define
 567    wl-summary-mode-menu
 568    wl-summary-mode-map
 569    "Menu used in Summary mode."
 570    wl-summary-mode-menu-spec))
 571
 572 (defun wl-summary-mimic-kill-buffer (buffer)
 573   "Kill the current (Summary) buffer with query."
 574   (interactive "bKill buffer: ")
 575   (if (or (not buffer)
 576           (string-equal buffer "")
 577           (string-equal buffer (buffer-name)))
 578       (wl-summary-exit 'force-exit)
 579     (kill-buffer buffer)))
 580
 581 (defsubst wl-summary-message-visible-p (number)
 582   "Return non-nil if the message with NUMBER is visible."
 583   (or (eq wl-summary-buffer-view 'sequence)
 584       (not (wl-thread-entity-parent-invisible-p
 585             (wl-thread-get-entity number)))))
 586
 587 (defun wl-summary-push-message (number)
 588   (when (and number
 589              (not (equal number (car wl-summary-buffer-message-ring))))
 590     (setq wl-summary-buffer-message-ring
 591           (cons number wl-summary-buffer-message-ring))
 592     (when (> (length wl-summary-buffer-message-ring)
 593              wl-summary-message-ring-max)
 594       (setcdr (nthcdr (1- wl-summary-message-ring-max)
 595                       wl-summary-buffer-message-ring)
 596               nil))))
 597
 598 (defun wl-summary-pop-message (&optional current-number)
 599   (when wl-summary-buffer-message-ring
 600     (when current-number
 601       (setq wl-summary-buffer-message-ring
 602             (nconc wl-summary-buffer-message-ring (list current-number))))
 603     (prog1
 604         (car wl-summary-buffer-message-ring)
 605       (setq wl-summary-buffer-message-ring
 606             (cdr wl-summary-buffer-message-ring)))))
 607
 608 (defsubst wl-summary-message-status (&optional number)
 609   (elmo-message-status wl-summary-buffer-elmo-folder
 610                        (or number (wl-summary-message-number))))
 611
 612 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 613   "A function to be called as window-scroll-functions."
 614   (with-current-buffer (window-buffer win)
 615     (when (eq major-mode 'wl-summary-mode)
 616       (let ((beg (or beg (window-start win)))
 617             (end (condition-case nil
 618                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 619                    (error (window-end win)))))
 620         (save-excursion
 621           (goto-char beg)
 622           (while (and (< (point) end) (not (eobp)))
 623             (when (or (null (get-text-property (point) 'face))
 624                       (wl-summary-persistent-mark-invalid-p))
 625               (wl-summary-update-persistent-mark (wl-summary-message-number)))
 626             (forward-line 1)))))
 627     (set-buffer-modified-p nil)))
 628
 629 (defun wl-summary-window-scroll-functions ()
 630   (cond ((and wl-summary-highlight
 631               wl-summary-lazy-highlight
 632               wl-summary-lazy-update-mark)
 633          (list 'wl-summary-update-mark-and-highlight-window))
 634         ((and wl-summary-highlight
 635               wl-summary-lazy-highlight)
 636          (list 'wl-highlight-summary-window))
 637         (wl-summary-lazy-update-mark
 638          (list 'wl-summary-update-mark-window))))
 639
 640 (defun wl-summary-after-resize-function (frame)
 641   "Called from `window-size-change-functions'."
 642   (save-excursion
 643     (save-selected-window
 644       (select-frame frame)
 645       (walk-windows
 646        (lambda (window)
 647          (set-buffer (window-buffer window))
 648          (when (eq major-mode 'wl-summary-mode)
 649            (run-hook-with-args 'wl-summary-buffer-window-scroll-functions
 650                                window)))
 651        'nomini frame))))
 652
 653 ;; Handler of event from elmo-folder
 654 (defun wl-summary-update-persistent-mark-on-event (buffer numbers)
 655   (save-excursion
 656     (set-buffer buffer)
 657     (if wl-summary-lazy-update-mark
 658         (let ((window-list (get-buffer-window-list (current-buffer) 'nomini t))
 659               invalidate)
 660           (dolist (number numbers)
 661             (when (wl-summary-message-visible-p number)
 662               (if (catch 'visible
 663                     (let ((window-list window-list)
 664                           win)
 665                       (while (setq win (car window-list))
 666                         (when (wl-summary-jump-to-msg number
 667                                                       (window-start win)
 668                                                       (window-end win))
 669                           (throw 'visible t))
 670                         (setq window-list (cdr window-list)))))
 671                   (wl-summary-update-persistent-mark number)
 672                 (setq invalidate t))))
 673           (when invalidate
 674             (wl-summary-invalidate-persistent-mark)
 675             (dolist (win window-list)
 676               (wl-summary-validate-persistent-mark
 677                (window-start win)
 678                (window-end win)))))
 679       (dolist (number numbers)
 680         (when (and (wl-summary-message-visible-p number)
 681                    (wl-summary-jump-to-msg number))
 682           (wl-summary-update-persistent-mark number))))))
 683
 684 (defun wl-summary-buffer-attach ()
 685   (when wl-summary-buffer-elmo-folder
 686     (elmo-connect-signal
 687      wl-summary-buffer-elmo-folder
 688      'flag-changed
 689      (current-buffer)
 690      (elmo-define-signal-handler (buffer folder numbers)
 691        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 692     (elmo-connect-signal
 693      wl-summary-buffer-elmo-folder
 694      'status-changed
 695      (current-buffer)
 696      (elmo-define-signal-handler (buffer folder numbers)
 697        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 698     (elmo-connect-signal
 699      wl-summary-buffer-elmo-folder
 700      'update-overview
 701      (current-buffer)
 702      (elmo-define-signal-handler (buffer folder number)
 703        (with-current-buffer buffer
 704          (wl-summary-rescan-message number))))))
 705
 706 (defun wl-summary-buffer-detach ()
 707   (when (and (eq major-mode 'wl-summary-mode)
 708              wl-summary-buffer-elmo-folder)
 709     (elmo-disconnect-signal 'flag-changed (current-buffer))
 710     (elmo-disconnect-signal 'status-changed (current-buffer))
 711     (elmo-disconnect-signal 'update-overview (current-buffer))))
 712
 713 (defun wl-status-update ()
 714   (interactive)
 715   (wl-address-init))
 716
 717 (defun wl-summary-display-top ()
 718   (interactive)
 719   (goto-char (point-min))
 720   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 721   (if wl-summary-buffer-disp-msg
 722       (wl-summary-redisplay)))
 723
 724 (defun wl-summary-display-bottom ()
 725   (interactive)
 726   (goto-char (point-max))
 727   (forward-line -1)
 728   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 729   (if wl-summary-buffer-disp-msg
 730       (wl-summary-redisplay)))
 731
 732 (defun wl-summary-count-unread ()
 733   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 734     (setq wl-summary-buffer-new-count
 735           (or (cdr (assq 'new flag-count)) 0)
 736           wl-summary-buffer-unread-count
 737           (or (cdr (assq 'unread flag-count)) 0)
 738           wl-summary-buffer-answered-count
 739           (or (cdr (assq 'answered flag-count)) 0))
 740     flag-count))
 741
 742 (defun wl-summary-message-string (&optional use-cache)
 743   "Return full body string of current message.
 744 If optional USE-CACHE is non-nil, use cache if exists."
 745   (let ((number (wl-summary-message-number))
 746         (folder wl-summary-buffer-elmo-folder))
 747     (if (null number)
 748         (message "No message.")
 749       (elmo-message-fetch-string folder
 750                                  number
 751                                  (elmo-make-fetch-strategy
 752                                   'entire
 753                                   use-cache ; use cache
 754                                   nil ; save cache (should `t'?)
 755                                   (and
 756                                    use-cache
 757                                    (elmo-file-cache-get-path
 758                                     (elmo-message-field folder number
 759                                                         'message-id))))
 760                                  'unread))))
 761
 762 (defun wl-summary-reedit (&optional arg)
 763   "Re-edit current message.
 764 If ARG is non-nil, Supersedes message"
 765   (interactive "P")
 766   (wl-summary-toggle-disp-msg 'off)
 767   (cond
 768    ((null (wl-summary-message-number))
 769     (message "No message."))
 770    (arg
 771     (wl-summary-supersedes-message))
 772    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 773     (wl-draft-reedit (wl-summary-message-number))
 774     (if (wl-message-news-p)
 775         (mail-position-on-field "Newsgroups")
 776       (mail-position-on-field "To")))
 777    (t
 778     (wl-draft-edit-string (wl-summary-message-string 'maybe)))))
 779
 780 (defun wl-summary-resend-bounced-mail ()
 781   "Re-mail the current message.
 782 This only makes sense if the current message is a bounce message which
 783 contains some mail you have written but has been bounced back to
 784 you."
 785   (interactive)
 786   (wl-summary-toggle-disp-msg 'off)
 787   (save-excursion
 788     (wl-summary-set-message-buffer-or-redisplay)
 789     (set-buffer (wl-message-get-original-buffer))
 790     (goto-char (point-min))
 791     (let ((case-fold-search nil))
 792       (cond
 793        ((and
 794          (re-search-forward
 795           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 796          (not (bolp))
 797          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 798         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 799               start)
 800           (cond
 801            ((and (setq start (re-search-forward
 802                               (concat "^--" boundary "\n"
 803                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 804                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 805                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 806                                       "\\(.+\n\\)*\n") nil t))
 807                  (re-search-forward
 808                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 809             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 810            (t
 811             (message "Seems no message/rfc822 part.")))))
 812        ((let ((case-fold-search t))
 813           (re-search-forward wl-rejected-letter-start nil t))
 814         (skip-chars-forward " \t\n")
 815         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 816        (t
 817         (message "Does not appear to be a rejected letter."))))))
 818
 819 (defun wl-summary-detect-mark-position ()
 820   (let ((column wl-summary-buffer-number-column)
 821         (formatter wl-summary-buffer-line-formatter)
 822         (lang wl-summary-buffer-weekday-name-lang)
 823         (dummy-number 10000)
 824         (dummy-temp (char-to-string 200))
 825         ;; bind only for the check.
 826         (wl-summary-new-uncached-mark (char-to-string 201))
 827         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 828         wl-summary-highlight
 829         temp persistent)
 830     (with-temp-buffer
 831       (set-buffer-multibyte t)
 832       (setq wl-summary-buffer-number-column column
 833             wl-summary-buffer-line-formatter formatter
 834             wl-summary-buffer-weekday-name-lang lang)
 835       (insert
 836        (wl-summary-create-line
 837         (elmo-msgdb-make-message-entity
 838          (luna-make-entity 'modb-entity-handler)
 839          :number dummy-number
 840          :from "foo"
 841          :subject "bar"
 842          :size 100)
 843         nil
 844         dummy-temp
 845         (let ((status (elmo-message-status nil dummy-number)))
 846           (elmo-message-status-set-flags status '(new))
 847           (elmo-message-status-set-killed status nil)
 848           status)))
 849       (goto-char (point-min))
 850       (setq temp (save-excursion
 851                    (when (search-forward dummy-temp nil t)
 852                      (current-column)))
 853             persistent
 854             (save-excursion
 855               (when (search-forward wl-summary-new-uncached-mark nil t)
 856                 (current-column)))))
 857     (setq wl-summary-buffer-temp-mark-column temp
 858           wl-summary-buffer-persistent-mark-column persistent)))
 859
 860 (defun wl-summary-buffer-set-folder (folder)
 861   (wl-summary-buffer-detach)
 862   (if (stringp folder)
 863       (setq folder (wl-folder-get-elmo-folder folder)))
 864   (setq wl-summary-buffer-elmo-folder folder)
 865   (make-local-variable 'wl-message-buffer)
 866   (setq wl-summary-buffer-mime-charset (wl-folder-mime-charset
 867                                         (elmo-folder-name-internal folder)))
 868   (setq wl-summary-buffer-weekday-name-lang
 869         (or (wl-get-assoc-list-value
 870              wl-folder-weekday-name-lang-alist
 871              (elmo-folder-name-internal folder))
 872             wl-summary-weekday-name-lang))
 873   (setq wl-summary-buffer-thread-indent-set
 874         (wl-get-assoc-list-value
 875          wl-folder-thread-indent-set-alist
 876          (elmo-folder-name-internal folder)))
 877   (setq wl-summary-buffer-number-column
 878         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 879                                      (wl-summary-buffer-folder-name))
 880             wl-summary-default-number-column))
 881   (wl-line-formatter-setup
 882    wl-summary-buffer-line-formatter
 883    (setq wl-summary-buffer-line-format
 884          (or (wl-get-assoc-list-value
 885               wl-folder-summary-line-format-alist
 886               (elmo-folder-name-internal folder))
 887              wl-summary-line-format))
 888    wl-summary-line-format-spec-alist)
 889   (wl-line-formatter-setup
 890    wl-summary-buffer-mode-line-formatter
 891    wl-summary-mode-line-format
 892    wl-summary-mode-line-format-spec-alist)
 893   (setq wl-summary-buffer-persistent
 894         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 895   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 896   (wl-summary-buffer-attach)
 897   ;; process duplicates.
 898   (elmo-folder-set-process-duplicates-internal
 899    folder (cdr (elmo-string-matched-assoc
 900                 (elmo-folder-name-internal folder)
 901                 wl-folder-process-duplicates-alist)))
 902   (setq
 903    wl-thread-indent-level-internal
 904    (or (nth 0 wl-summary-buffer-thread-indent-set)
 905        wl-thread-indent-level)
 906    wl-thread-have-younger-brother-str-internal
 907    (or (nth 1 wl-summary-buffer-thread-indent-set)
 908        wl-thread-have-younger-brother-str)
 909    wl-thread-youngest-child-str-internal
 910    (or (nth 2 wl-summary-buffer-thread-indent-set)
 911        wl-thread-youngest-child-str)
 912    wl-thread-vertical-str-internal
 913    (or (nth 3 wl-summary-buffer-thread-indent-set)
 914        wl-thread-vertical-str)
 915    wl-thread-horizontal-str-internal
 916    (or (nth 4 wl-summary-buffer-thread-indent-set)
 917        wl-thread-horizontal-str)
 918    wl-thread-space-str-internal
 919    (or (nth 5 wl-summary-buffer-thread-indent-set)
 920        wl-thread-space-str))
 921   (run-hooks 'wl-summary-buffer-set-folder-hook))
 922
 923 (defun wl-summary-mode ()
 924   "Major mode for reading threaded messages.
 925 See Info under Wanderlust for full documentation.
 926
 927 Special commands:
 928 \\{wl-summary-mode-map}
 929
 930 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 931   (interactive)
 932   (unless (interactive-p) (kill-all-local-variables))
 933   (setq major-mode 'wl-summary-mode)
 934   (setq mode-name "Summary")
 935   (use-local-map wl-summary-mode-map)
 936 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 937   (setq buffer-read-only t)
 938   (setq truncate-lines t)
 939   (when (boundp 'show-trailing-whitespace)
 940     (setq show-trailing-whitespace nil))
 941 ;;;(make-local-variable 'tab-width)
 942 ;;;(setq tab-width 1)
 943   (buffer-disable-undo (current-buffer))
 944   (setq selective-display t
 945         selective-display-ellipses nil)
 946   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 947   (easy-menu-add wl-summary-mode-menu)
 948   (setq wl-summary-buffer-window-scroll-functions
 949         (wl-summary-window-scroll-functions))
 950   (when wl-summary-buffer-window-scroll-functions
 951     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 952       (make-local-hook hook)
 953       (dolist (function wl-summary-buffer-window-scroll-functions)
 954         (add-hook hook function nil t)))
 955     (add-hook 'window-size-change-functions
 956               #'wl-summary-after-resize-function))
 957   (dolist (hook '(change-major-mode-hook kill-buffer-hook))
 958     (make-local-hook hook)
 959     (add-hook hook #'wl-summary-buffer-detach nil t))
 960   ;; This hook may contain the function `wl-setup-summary' for reasons
 961   ;; of system internal to accord facilities for the Emacs variants.
 962   (run-hooks 'wl-summary-mode-hook))
 963
 964 ;;;
 965 (defun wl-summary-overview-entity-compare-by-size (x y)
 966    "Compare entity X and Y by size."
 967    (< (elmo-message-entity-field x 'size)
 968       (elmo-message-entity-field y 'size)))
 969
 970
 971 (defun wl-summary-overview-entity-compare-by-date (x y)
 972   "Compare entity X and Y by date."
 973   (condition-case nil
 974       (elmo-time<
 975        (elmo-message-entity-field x 'date)
 976        (elmo-message-entity-field y 'date))
 977     (error))) ;; ignore error.
 978
 979 (defun wl-summary-overview-entity-compare-by-number (x y)
 980    "Compare entity X and Y by number."
 981   (<
 982    (elmo-message-entity-number x)
 983    (elmo-message-entity-number y)))
 984
 985 (defun wl-summary-overview-entity-compare-by-from (x y)
 986   "Compare entity X and Y by from."
 987   (string<
 988    (or (elmo-message-entity-field x 'from)
 989        wl-summary-no-from-message)
 990    (or (elmo-message-entity-field y 'from)
 991        wl-summary-no-from-message)))
 992
 993 (defun wl-summary-overview-entity-compare-by-subject (x y)
 994   "Compare entity X and Y by subject."
 995   (string< (elmo-message-entity-field x 'subject)
 996            (elmo-message-entity-field y 'subject)))
 997
 998 (defun wl-summary-get-list-info (entity)
 999   "Returns (\"ML-name\" . ML-count) of ENTITY."
1000   (or (elmo-message-entity-field entity 'ml-info)
1001       (lexical-let ((entity entity))
1002         (let* ((getter (lambda (field)
1003                          (elmo-message-entity-field entity field)))
1004                (name (elmo-find-list-match-value
1005                       elmo-mailing-list-name-spec-list
1006                       getter))
1007                (count (elmo-find-list-match-value
1008                        elmo-mailing-list-count-spec-list
1009                        getter)))
1010           (cons name (and count (string-to-number 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-define-sort-command ()
1025   "Define functions to sort summary lines by `wl-summary-sort-specs'."
1026   (interactive)
1027   (dolist (sort-by wl-summary-sort-specs)
1028     (fset (intern (format "wl-summary-sort-by-%s" sort-by))
1029           `(lambda (&optional reverse)
1030              ,(format "\
1031 Sort summary lines into the order by %s.
1032 If optional argument REVERSE is non-nil, sort into descending order.
1033
1034 This function is defined by `wl-summary-define-sort-command'." sort-by)
1035              (interactive "P")
1036              (wl-summary-rescan ,(symbol-name sort-by) reverse)))))
1037
1038 (defun wl-summary-sort-function-from-spec (spec reverse)
1039   (let (function)
1040     (when (string-match "^!\\(.+\\)$" spec)
1041       (setq spec (match-string 1 spec)
1042             reverse (not reverse)))
1043     (setq function
1044           (intern (format "wl-summary-overview-entity-compare-by-%s" spec)))
1045     (if reverse
1046         `(lambda (x y) (not (,function x y)))
1047       function)))
1048
1049 (defun wl-summary-sort-messages (numbers sort-by reverse)
1050   (let* ((functions (mapcar
1051                      (lambda (spec)
1052                        (wl-summary-sort-function-from-spec spec reverse))
1053                      (if (listp sort-by) sort-by (list sort-by))))
1054          (predicate (if (= (length functions) 1)
1055                         (car functions)
1056                       (lambda (x y)
1057                         (let ((functions functions))
1058                           (catch 'done
1059                             (dolist (function functions)
1060                               (when (funcall function x y)
1061                                 (throw 'done t))
1062                               (when (funcall function y x)
1063                                 (throw 'done nil)))))))))
1064     (mapcar #'elmo-message-entity-number
1065             (sort (mapcar (lambda (number)
1066                             (elmo-message-entity
1067                              wl-summary-buffer-elmo-folder
1068                              number))
1069                           numbers)
1070                   predicate))))
1071
1072 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
1073   "Rescan current folder without updating."
1074   (interactive)
1075   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1076         gc-message                      ; for XEmacs
1077         (inhibit-read-only t)
1078         (buffer-read-only nil)
1079         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1080                                             (not disable-killed) t)) ; in-msgdb
1081         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1082                                                      wl-thread-entity-hashtb))
1083         (wl-summary-search-parent-by-subject-regexp
1084          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1085         (wl-summary-divide-thread-when-subject-changed
1086          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1087         num
1088         expunged)
1089     (erase-buffer)
1090     (message "Re-scanning...")
1091     (when (and sort-by numbers)
1092       (let ((action  (if reverse "Reverse sorting" "Sorting")))
1093         (message "%s by %s..." action sort-by)
1094         (setq numbers (wl-summary-sort-messages numbers sort-by reverse))
1095         (message "%s by %s...done" action sort-by)))
1096     (setq num (length numbers))
1097     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1098           wl-thread-entity-list nil
1099           wl-thread-entities nil
1100           wl-summary-scored nil
1101           wl-summary-buffer-number-list nil
1102           wl-summary-buffer-persistent-mark-version 0
1103           wl-summary-buffer-target-mark-list nil
1104           wl-summary-buffer-temp-mark-list nil
1105           wl-summary-delayed-update nil)
1106     (elmo-kill-buffer wl-summary-search-buf-name)
1107     (elmo-with-progress-display (wl-summary-insert-line num)
1108         "Constructing summary structure"
1109       (dolist (number numbers)
1110         (wl-summary-insert-message (elmo-message-entity
1111                                     wl-summary-buffer-elmo-folder
1112                                     number)
1113                                    wl-summary-buffer-elmo-folder
1114                                    nil))
1115       (while wl-summary-delayed-update
1116         (message "Parent (%d) of message %d is no entity"
1117                  (caar wl-summary-delayed-update)
1118                  (elmo-message-entity-number
1119                   (cdar wl-summary-delayed-update)))
1120         (wl-summary-insert-message
1121          (cdar wl-summary-delayed-update)
1122          wl-summary-buffer-elmo-folder nil t)
1123         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1124     (when (eq wl-summary-buffer-view 'thread)
1125       (wl-thread-insert-top))
1126     (when wl-use-scoring
1127       (wl-summary-score-headers (wl-summary-rescore-msgs
1128                                  wl-summary-buffer-number-list)
1129                                 t)
1130       (when (and wl-summary-scored
1131                  (setq expunged (wl-summary-score-update-all-lines)))
1132         (message "%d message(s) are expunged by scoring." (length expunged))))
1133     (wl-summary-set-message-modified)
1134     (wl-summary-count-unread)
1135     (wl-summary-update-modeline)
1136     (goto-char (point-max))
1137     (forward-line -1)
1138     (set-buffer-modified-p nil)))
1139
1140 (defun wl-summary-rescan-message (number &optional reparent)
1141   "Rescan current message without updating."
1142   (interactive (list (wl-summary-message-number) current-prefix-arg))
1143   (let ((start-number (wl-summary-message-number))
1144         (start-column (current-column)))
1145     (when (wl-summary-jump-to-msg number)
1146       (let* ((folder wl-summary-buffer-elmo-folder)
1147              (entity (elmo-message-entity folder number))
1148              (inhibit-read-only t))
1149         (if (eq wl-summary-buffer-view 'thread)
1150             (let* ((thread-entity (wl-thread-get-entity number))
1151                    (thread-parent (wl-thread-entity-get-parent thread-entity))
1152                    (entity-parent (elmo-message-entity-number
1153                                    (elmo-message-entity-parent folder entity)))
1154                    update-top-list)
1155               (if (and (not reparent)
1156                        (eq thread-parent entity-parent))
1157                   (progn
1158                     (wl-thread-entity-set-linked thread-entity nil)
1159                     (wl-thread-update-line-on-buffer-sub nil number))
1160                 (let ((replacements
1161                        (cons number
1162                              (wl-thread-entity-get-descendant thread-entity))))
1163                   (wl-thread-delete-message number 'deep 'update)
1164                   (wl-thread-cleanup-symbols replacements)
1165                   (dolist (number replacements)
1166                     (setq update-top-list
1167                           (nconc
1168                            update-top-list
1169                            (wl-summary-insert-thread
1170                             (elmo-message-entity folder number)
1171                             folder
1172                             'update))))
1173                   (when update-top-list
1174                     (wl-thread-update-indent-string-thread
1175                      (elmo-uniq-list update-top-list))))))
1176             (delete-region (point-at-bol) (1+ (point-at-eol)))
1177             (wl-summary-insert-line
1178              (wl-summary-create-line entity nil
1179                                      (wl-summary-temp-mark number)
1180                                      (elmo-message-status folder number)))))
1181       (when (and wl-summary-buffer-disp-msg
1182                  wl-summary-buffer-current-msg)
1183         (save-excursion
1184           (when (wl-summary-jump-to-msg wl-summary-buffer-current-msg)
1185             (wl-highlight-summary-displaying))))
1186       (wl-summary-set-message-modified)
1187       (wl-summary-jump-to-msg start-number)
1188       (move-to-column start-column))))
1189
1190 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1191   (if (and next-entity
1192            wl-auto-select-next)
1193       (let (retval)
1194         (wl-summary-toggle-disp-msg 'off)
1195         (unwind-protect
1196             (setq retval
1197                   (wl-summary-goto-folder-subr next-entity
1198                                                'force-update
1199                                                nil
1200                                                nil ; not sticky
1201                                                t   ; interactive!
1202                                                ))
1203           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1204           (if (and (eq retval 'more-next)
1205                    (memq wl-auto-select-next '(unread skip-no-unread))
1206                    (memq this-command wl-summary-next-no-unread-command))
1207               (if upward
1208                   (wl-summary-up
1209                    t (eq wl-auto-select-next 'skip-no-unread))
1210                 (goto-char (point-max))
1211                 (forward-line -1)
1212                 (wl-summary-down
1213                  t (eq wl-auto-select-next 'skip-no-unread))))))
1214     (wl-summary-exit)))
1215
1216 (defun wl-summary-entity-info-msg (entity finfo)
1217   (or (and entity
1218            (concat
1219             (if (memq 'ask-folder wl-use-folder-petname)
1220                 (wl-folder-get-petname entity)
1221               entity)
1222             (if (null (car finfo))
1223                 " (? new/? unread)"
1224               (format
1225                " (%d new/%d unread)"
1226                (nth 0 finfo)
1227                (+ (nth 0 finfo)
1228                   (nth 1 finfo))))))
1229       "folder mode"))
1230
1231 (defun wl-summary-set-message-modified ()
1232   (setq wl-summary-buffer-message-modified t))
1233 (defun wl-summary-message-modified-p ()
1234   wl-summary-buffer-message-modified)
1235 (defun wl-summary-set-thread-modified ()
1236   (setq wl-summary-buffer-thread-modified t))
1237 (defun wl-summary-thread-modified-p ()
1238   wl-summary-buffer-thread-modified)
1239
1240 (defun wl-summary-exec-with-confirmation (&optional message)
1241   (when wl-summary-buffer-temp-mark-list
1242     (if (y-or-n-p (or message
1243                       (format "Execute marks in %s? "
1244                               (wl-summary-buffer-folder-name))))
1245         (progn
1246           (wl-summary-exec)
1247           (if wl-summary-buffer-temp-mark-list
1248               (error "Some execution was failed")))
1249       ;; temp-mark-list is remained.
1250       (message ""))))
1251
1252 (defun wl-summary-cleanup-temp-marks ()
1253   (when wl-summary-buffer-temp-mark-list
1254     (wl-summary-exec-with-confirmation
1255      (format "Execute marks in %s? (answer \"n\" to discard them) "
1256              (wl-summary-buffer-folder-name))))
1257   (wl-summary-delete-all-temp-marks 'no-msg)
1258   (setq wl-summary-scored nil))
1259
1260 ;; a subroutine for wl-summary-exit/wl-save-status
1261 ;; Note that folder is not commited here.
1262 (defun wl-summary-save-view ()
1263   ;; already in summary buffer.
1264   (when wl-summary-buffer-persistent
1265     ;; save the current summary buffer view.
1266     (if (and wl-summary-cache-use
1267              (or (wl-summary-message-modified-p)
1268                  (wl-summary-thread-modified-p)))
1269         (wl-summary-save-view-cache))))
1270
1271 (defun wl-summary-save-status ()
1272   "Save summary view and msgdb."
1273   (interactive)
1274   (if (interactive-p) (message "Saving summary status..."))
1275   (wl-summary-save-view)
1276   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1277   (elmo-folder-check wl-summary-buffer-elmo-folder)
1278   (if wl-use-scoring (wl-score-save))
1279   (if (interactive-p) (message "Saving summary status...done")))
1280
1281 (defun wl-summary-force-exit ()
1282   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1283   (interactive)
1284   (wl-summary-exit 'force-exit))
1285
1286 (defun wl-summary-exit (&optional force-exit)
1287   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1288   (interactive "P")
1289   (let ((summary-buf (current-buffer))
1290         (sticky (wl-summary-sticky-p))
1291         summary-win
1292         message-buf message-win
1293         folder-buf folder-win)
1294     (run-hooks 'wl-summary-exit-pre-hook)
1295     (if wl-summary-buffer-exit-function
1296         (funcall wl-summary-buffer-exit-function)
1297       (if (or force-exit (not sticky))
1298           (wl-summary-cleanup-temp-marks))
1299       (unwind-protect
1300           ;; save summary status
1301           (progn
1302             (wl-summary-save-view)
1303             (if (or force-exit (not sticky))
1304                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1305               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1306               (elmo-folder-check wl-summary-buffer-elmo-folder))
1307             (if wl-use-scoring (wl-score-save)))
1308         ;; for sticky summary
1309         (wl-delete-all-overlays)
1310         (setq wl-summary-buffer-disp-msg nil)
1311         (elmo-kill-buffer wl-summary-search-buf-name)
1312         ;; delete message window if displayed.
1313         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1314             (delete-window (get-buffer-window wl-message-buffer)))
1315         (if (and wl-summary-use-frame
1316                  (> (length (visible-frame-list)) 1))
1317             (delete-frame))
1318         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1319             (if wl-summary-use-frame
1320                 (let (select-frame)
1321                   (save-selected-window
1322                     (dolist (frame (visible-frame-list))
1323                       (select-frame frame)
1324                       (if (get-buffer-window folder-buf)
1325                           (setq select-frame frame))))
1326                   (if select-frame
1327                       (select-frame select-frame)
1328                     (switch-to-buffer folder-buf)))
1329               (if (setq folder-win (get-buffer-window folder-buf))
1330                   ;; folder win is already displayed.
1331                   (select-window folder-win)
1332                 ;; folder win is not displayed.
1333                 (switch-to-buffer folder-buf)))
1334           ;; currently no folder buffer
1335           (wl-folder))
1336         (and wl-folder-move-cur-folder
1337              wl-folder-buffer-cur-point
1338              (goto-char wl-folder-buffer-cur-point))
1339         (setq wl-folder-buffer-cur-path nil)
1340         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1341         (setq wl-folder-buffer-cur-entity-id nil)
1342         (wl-delete-all-overlays)
1343         (if wl-summary-exit-next-move
1344             (wl-folder-next-unsync t)
1345           (beginning-of-line))
1346         (if (setq summary-win (get-buffer-window summary-buf))
1347             (delete-window summary-win))
1348         (if (or force-exit
1349                 (not sticky))
1350             (progn
1351               (set-buffer summary-buf)
1352               (kill-buffer summary-buf)))
1353         (run-hooks 'wl-summary-exit-hook)))))
1354
1355 (defun wl-summary-suspend ()
1356   (interactive)
1357   (wl-summary-exit)
1358   (wl-folder-suspend))
1359
1360 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1361   (interactive)
1362   (wl-summary-sync-update unset-cursor nil nil no-check))
1363
1364 (defsubst wl-summary-sync-all-init ()
1365   (wl-summary-cleanup-temp-marks)
1366   (erase-buffer)
1367   (wl-summary-set-message-modified)
1368   (setq wl-thread-entity-hashtb (elmo-make-hash
1369                                  (* (elmo-folder-length
1370                                      wl-summary-buffer-elmo-folder)
1371                                     2)))
1372   (setq wl-thread-entity-list nil)
1373   (setq wl-thread-entities nil)
1374   (setq wl-summary-buffer-number-list nil)
1375   (setq wl-summary-buffer-target-mark-list nil)
1376   (setq wl-summary-buffer-temp-mark-list nil))
1377
1378 (defun wl-summary-sync (&optional unset-cursor force-range)
1379   (interactive)
1380   (let* ((folder wl-summary-buffer-elmo-folder)
1381          (inhibit-read-only t)
1382          (buffer-read-only nil)
1383          (msgdb-dir (elmo-folder-msgdb-path folder))
1384          (range (or force-range (wl-summary-input-range
1385                                  (elmo-folder-name-internal folder)))))
1386     (when (symbolp range)
1387       (setq range (symbol-name range)))
1388     (cond ((string-match "rescan" range)
1389            (let ((msg (wl-summary-message-number))
1390                  (wl-use-scoring (if (string-match "noscore" range)
1391                                      nil
1392                                    wl-use-scoring)))
1393              (wl-summary-rescan nil
1394                                 nil
1395                                 (string-match "noscore" range)
1396                                 (string-match "thread" range))
1397              (and msg (wl-summary-jump-to-msg msg))))
1398           ((string= range "mark")
1399            (let ((msg (wl-summary-message-number)))
1400              (call-interactively 'wl-summary-sync-marks)
1401              (and msg (wl-summary-jump-to-msg msg))))
1402           ((string= range "cache-status")
1403            (let ((msg (wl-summary-message-number)))
1404              (wl-summary-resume-cache-status)
1405              (and msg (wl-summary-jump-to-msg msg))))
1406           ((string= range "no-sync"))
1407           ((or (string-match "^last:" range)
1408                (string-match "^first:" range))
1409            (wl-summary-goto-folder-subr (concat "/" range "/"
1410                                                 (elmo-folder-name-internal
1411                                                  folder))
1412                                         'force-update nil nil t))
1413           (t
1414            (wl-summary-sync-update unset-cursor
1415                                    (string-match "entirely" range)
1416                                    (string-match "all" range))))))
1417
1418 (defvar wl-summary-edit-addresses-candidate-fields
1419   ;; First element becomes default.
1420   '("from" "to" "cc"))
1421
1422 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1423   (let ((fields wl-summary-edit-addresses-candidate-fields)
1424         body candidates components)
1425     (while fields
1426       (setq body
1427             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1428                        ","))
1429       (setq body (wl-parse-addresses body))
1430       (if body (setq candidates (append candidates body)))
1431       (setq fields (cdr fields)))
1432     (setq candidates (elmo-uniq-list candidates))
1433     (elmo-with-enable-multibyte
1434       (mapcar
1435        (lambda (x)
1436          (setq components (std11-extract-address-components x))
1437          (cons (nth 1 components)
1438                (and (car components)
1439                     (eword-decode-string
1440                      (decode-mime-charset-string
1441                       (car components)
1442                       mime-charset)))))
1443        candidates))))
1444
1445 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1446   ;; returns nil if there's no change.
1447   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1448       (let (char)
1449         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1450                  the-email)
1451         (while (not (or (eq (setq char (read-char)) ?\r)
1452                         (eq char ?\n)
1453                         (eq char (string-to-char " "))
1454                         (eq char ?e)
1455                         (eq char ?c)
1456                         (eq char ?d)))
1457           (message
1458            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1459         (cond
1460          ((or (eq char ?e)
1461               (eq char ?\n)
1462               (eq char ?\r)
1463               (eq char (string-to-char " ")))
1464           ;; Change Addresses
1465           (wl-address-add-or-change
1466            the-email
1467            (wl-address-header-extract-realname
1468             (cdr (assoc
1469                   (let ((completion-ignore-case t) comp)
1470                     (setq comp
1471                           (try-completion the-email wl-address-completion-list))
1472                     (if (equal comp t) the-email comp))
1473                   wl-address-completion-list))))
1474           "edited")
1475          ((eq char ?d)
1476           ;; Delete Addresses
1477           (if (y-or-n-p (format "Delete '%s'? "
1478                                 the-email))
1479               (progn
1480                 (wl-address-delete the-email)
1481                 "deleted")
1482             (message "")
1483             nil))
1484          (t (message "")
1485             nil)))
1486     ;; Add Petname
1487     (wl-address-add-or-change the-email name-in-addr)
1488     "added"))
1489
1490 (defun wl-summary-edit-addresses (&optional addr-str)
1491   "Edit address book interactively.
1492 Optional argument ADDR-STR is used as a target address if specified."
1493   (interactive (if current-prefix-arg
1494                    (list (read-from-minibuffer "Target address: "))))
1495   (if (null (wl-summary-message-number))
1496       (message "No message.")
1497     (save-excursion
1498       (let* ((charset wl-summary-buffer-mime-charset)
1499              (candidates
1500               (with-current-buffer (wl-summary-get-original-buffer)
1501                 (wl-summary-edit-addresses-collect-candidate-fields
1502                  charset)))
1503              address pair result)
1504         (if addr-str
1505             (setq address addr-str)
1506           (when candidates
1507             (setq address (car (car candidates)))
1508             (setq address
1509                   (completing-read
1510                    (format "Target address (%s): " address)
1511                    (mapcar
1512                     (lambda (x) (cons (car x) (car x)))
1513                     candidates)
1514                    nil nil nil nil address))))
1515         (when address
1516           (setq pair (assoc address candidates))
1517           (unless pair
1518             (setq pair (cons address nil)))
1519           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1520             ;; update alias
1521             (wl-status-update)
1522             (setq address (assoc (car pair) wl-address-list))
1523             (if address
1524                 (message "%s, %s, <%s> is %s."
1525                          (nth 2 address)
1526                          (nth 1 address)
1527                          (nth 0 address)
1528                          result)))
1529 ;;; i'd like to update summary-buffer, but...
1530 ;;;     (wl-summary-rescan)
1531           (run-hooks 'wl-summary-edit-addresses-hook))))))
1532
1533 (defun wl-summary-incorporate (&optional arg)
1534   "Check and prefetch all uncached messages.
1535 If ARG is non-nil, checking is omitted."
1536   (interactive "P")
1537   (unless arg
1538     (save-excursion
1539       (wl-summary-sync-force-update)))
1540   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1541                                       wl-summary-incorporate-marks))
1542
1543 (defun wl-summary-force-prefetch ()
1544   "All uncached messages are cached."
1545   (interactive)
1546   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1547     (let* ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1548                                               'uncached 'in-msgdb))
1549            (count 0)
1550            wl-prefetch-confirm
1551            wl-prefetch-threshold
1552            (length (length targets))
1553            msg)
1554       (save-excursion
1555         (elmo-with-progress-display (wl-summary-prefetch-message length)
1556             "Retrieving"
1557           (goto-char (point-min))
1558           (dolist (target targets)
1559             (when (if (not (wl-thread-entity-parent-invisible-p
1560                             (wl-thread-get-entity target)))
1561                       (progn
1562                         (wl-summary-jump-to-msg target)
1563                         (wl-summary-prefetch-msg
1564                          (wl-summary-message-number)))
1565                     (wl-summary-prefetch-msg target))
1566               (incf count))
1567             (elmo-progress-notify 'wl-summary-prefetch-message)))
1568         (message "Retrieved %d/%d message(s)" count length)))))
1569
1570 (defun wl-summary-prefetch-msg (number &optional arg)
1571   "Prefetch message and return non-nil value. If skipped, return nil."
1572   ;; prefetching procedure.
1573   (save-excursion
1574     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1575                                      number 'size))
1576            (file-cached (elmo-file-cache-exists-p
1577                          (elmo-message-field wl-summary-buffer-elmo-folder
1578                                              number 'message-id)))
1579            (force-read (and size
1580                             (or file-cached
1581                                 (and (null wl-prefetch-confirm) arg)
1582                                 (null wl-prefetch-threshold)
1583                                 (< size wl-prefetch-threshold))))
1584            mark new-mark)
1585       (ignore-errors
1586         (when (and (or arg (not file-cached))
1587                    size (not force-read) wl-prefetch-confirm)
1588           (let ((wl-message-entity (elmo-message-entity
1589                                     wl-summary-buffer-elmo-folder
1590                                     number)))
1591             (setq force-read
1592                   (save-restriction
1593                     (widen)
1594                     (y-or-n-p
1595                      (format
1596                       "Message from %s has %d bytes.  Prefetch it? "
1597                       (concat
1598                        "[ "
1599                        (save-match-data
1600                          (wl-set-string-width
1601                           17
1602                           (funcall
1603                            wl-summary-from-function
1604                            (elmo-delete-char
1605                             ?\"
1606                             (or
1607                              (elmo-message-entity-field
1608                               wl-message-entity
1609                               'from)
1610                              "??")))))
1611                        " ]")
1612                       size))))
1613             (message "")))              ; flush.
1614         (if force-read
1615             (save-excursion
1616               (save-match-data
1617                 ;; online
1618                 (when (or arg (not file-cached))
1619                   (elmo-message-encache wl-summary-buffer-elmo-folder
1620                                         number))
1621                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1622                                          number t))
1623               t)
1624           nil)))))
1625
1626 (defsubst wl-summary-narrow-to-region (beg end)
1627   (narrow-to-region
1628    (save-excursion
1629      (goto-char beg)
1630      (point-at-bol))
1631    (save-excursion
1632      (goto-char end)
1633      (if (= (current-column) 0)
1634          (point-at-bol)
1635        (point-at-eol)))))
1636
1637 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1638   (interactive "r")
1639   (let ((count 0)
1640         targets
1641         mark length
1642         entity msg
1643         start-pos pos)
1644     (save-excursion
1645       (setq start-pos (point))
1646       (save-restriction
1647         (wl-summary-narrow-to-region beg end)
1648         ;; collect prefetch targets.
1649         (message "Collecting marks...")
1650         (goto-char (point-min))
1651         (while (not (eobp))
1652           (setq msg (wl-summary-message-number))
1653           (setq mark (wl-summary-persistent-mark msg))
1654           (if (or (and (null prefetch-marks)
1655                        msg
1656                        (null (elmo-file-cache-exists-p
1657                               (elmo-message-field
1658                                wl-summary-buffer-elmo-folder
1659                                msg
1660                                'message-id))))
1661                   (member mark prefetch-marks))
1662               (setq targets (nconc targets (list msg))))
1663           (setq entity (wl-thread-get-entity msg))
1664           (if (or (not (eq wl-summary-buffer-view 'thread))
1665                   (wl-thread-entity-get-opened entity))
1666               (); opened. no hidden children.
1667             (setq targets (nconc
1668                            targets
1669                            (wl-thread-get-children-msgs-uncached
1670                             msg prefetch-marks))))
1671           (forward-line 1))
1672         (setq length (length targets))
1673         (message "Prefetching...")
1674         (while targets
1675           (when (if (not (wl-thread-entity-parent-invisible-p
1676                           (wl-thread-get-entity (car targets))))
1677                     (progn
1678                       (wl-summary-jump-to-msg (car targets))
1679                       (wl-summary-prefetch-msg
1680                        (wl-summary-message-number)))
1681                   (wl-summary-prefetch-msg (car targets)))
1682             (message "Prefetching... %d/%d message(s)"
1683                      (setq count (+ 1 count)) length))
1684           (setq targets (cdr targets)))
1685         (message "Prefetched %d/%d message(s)" count length)
1686         (cons count length)))))
1687
1688 (defun wl-summary-delete-marks-on-buffer (marks)
1689   (while marks
1690     (wl-summary-unmark (pop marks))))
1691
1692 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1693   (wl-summary-delete-marks-on-buffer copies))
1694
1695 ;;;
1696 (defun wl-summary-delete-all-target-marks ()
1697   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1698
1699 (defun wl-summary-number-list-from-region (beg end)
1700   (save-excursion
1701     (save-restriction
1702       (wl-summary-narrow-to-region beg end)
1703       (goto-char (point-min))
1704       (let (number-list)
1705         (if (eq wl-summary-buffer-view 'thread)
1706             (while (not (eobp))
1707               (let* ((number (wl-summary-message-number))
1708                      (entity (wl-thread-get-entity number)))
1709                 (setq number-list
1710                       (nconc number-list
1711                              (if (wl-thread-entity-get-opened entity)
1712                                  (list number)
1713                                (wl-thread-get-children-msgs number))))
1714                 (forward-line 1)))
1715           (while (not (eobp))
1716             (setq number-list
1717                   (nconc number-list (list (wl-summary-message-number))))
1718             (forward-line 1)))
1719         number-list))))
1720
1721 (defun wl-summary-mark-as-read-region (beg end)
1722   (interactive "r")
1723   (let ((number-list (wl-summary-number-list-from-region beg end)))
1724     (if (null number-list)
1725         (message "No message.")
1726       (wl-summary-mark-as-read number-list))))
1727
1728 (defun wl-summary-mark-as-unread-region (beg end)
1729   (interactive "r")
1730   (let ((number-list (wl-summary-number-list-from-region beg end)))
1731     (if (null number-list)
1732         (message "No message.")
1733       (wl-summary-mark-as-unread number-list))))
1734
1735 (defun wl-summary-set-flags-region (beg end &optional remove)
1736   (interactive "r\nP")
1737   (let ((number-list (wl-summary-number-list-from-region beg end)))
1738     (if (null number-list)
1739         (message "No message.")
1740       (wl-summary-set-flags-internal number-list nil nil remove)
1741       (wl-summary-count-unread)
1742       (wl-summary-update-modeline))))
1743
1744 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1745   (interactive "r\nP")
1746   (let ((number-list (wl-summary-number-list-from-region beg end))
1747         (remove (or remove
1748                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1749                                             (save-excursion
1750                                               (goto-char beg)
1751                                               (wl-summary-message-number))
1752                                             'answered))))
1753     (if (null number-list)
1754         (message "No message.")
1755       (wl-summary-set-persistent-mark-internal remove 'answered
1756                                                number-list
1757                                                nil nil (interactive-p))
1758       (wl-summary-count-unread)
1759       (wl-summary-update-modeline))))
1760
1761 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1762   (interactive "r\nP")
1763   (let ((number-list (wl-summary-number-list-from-region beg end))
1764         (remove (or remove
1765                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1766                                             (save-excursion
1767                                               (goto-char beg)
1768                                               (wl-summary-message-number))
1769                                             'important))))
1770     (if (null number-list)
1771         (message "No message.")
1772       (wl-summary-set-persistent-mark-internal remove 'important number-list
1773                                                nil nil (interactive-p))
1774       (wl-summary-count-unread)
1775       (wl-summary-update-modeline))))
1776
1777 (defun wl-summary-recover-messages-region (beg end)
1778   "Recover killed messages in region."
1779   (interactive "r")
1780   (let ((number-list (wl-summary-number-list-from-region beg end)))
1781     (if (null number-list)
1782         (message "No message.")
1783       (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
1784                                     number-list))))
1785
1786 (defun wl-summary-mark-as-read-all ()
1787   (interactive)
1788   (if (or (not (interactive-p))
1789           (y-or-n-p "Mark all messages as read? "))
1790       (let ((folder wl-summary-buffer-elmo-folder)
1791             (cur-buf (current-buffer)))
1792         (message "Setting all msgs as read...")
1793         (elmo-folder-unset-flag
1794          folder
1795          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1796          'unread)
1797         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1798         (setq wl-summary-buffer-unread-count 0)
1799         (setq wl-summary-buffer-new-count    0)
1800         (wl-summary-update-modeline)
1801         (message "Setting all msgs as read...done"))))
1802
1803 (defun wl-summary-delete-cache ()
1804   "Delete cache of current message."
1805   (interactive)
1806   (save-excursion
1807     (let* ((folder wl-summary-buffer-elmo-folder)
1808            number)
1809       (setq number (wl-summary-message-number))
1810       (elmo-message-set-cached folder number nil)
1811       (ignore-errors
1812         (elmo-file-cache-delete
1813          (elmo-file-cache-get-path
1814           (elmo-message-field wl-summary-buffer-elmo-folder
1815                               number
1816                               'message-id)))))))
1817
1818 (defun wl-summary-resume-cache-status ()
1819   "Resume the cache status of all messages in the current folder."
1820   (interactive)
1821   (let ((folder wl-summary-buffer-elmo-folder)
1822         number msgid)
1823     (message "Resuming cache status...")
1824     (save-excursion
1825       (goto-char (point-min))
1826       (while (not (eobp))
1827         (setq number (wl-summary-message-number))
1828         (setq msgid (elmo-message-field folder number 'message-id))
1829         (elmo-message-set-cached folder number
1830                                  (elmo-file-cache-exists-p msgid))
1831         (forward-line 1))
1832       (wl-summary-count-unread)
1833       (wl-summary-update-modeline)
1834       (message "Resuming cache status...done"))))
1835
1836 (defun wl-summary-delete-messages-on-buffer (msgs)
1837   (interactive)
1838   (save-excursion
1839     (let ((inhibit-read-only t)
1840           (buffer-read-only nil)
1841           (msgs2 msgs)
1842           (len (length msgs))
1843           (i 0)
1844           update-list)
1845       (elmo-kill-buffer wl-summary-search-buf-name)
1846       (while msgs
1847         (if (eq wl-summary-buffer-view 'thread)
1848             (progn
1849               ;; don't use wl-append(nconc), because list is broken. ...why?
1850               (setq update-list
1851                     (append update-list
1852                             (wl-thread-delete-message (car msgs))))
1853               (setq update-list (delq (car msgs) update-list)))
1854           (goto-char (point-min))
1855           (if (wl-summary-jump-to-msg (car msgs))
1856               (progn
1857                 (delete-region (point-at-bol) (point-at-eol))
1858                 (delete-char 1) ; delete '\n'
1859                 (setq wl-summary-buffer-number-list
1860                       (delq (car msgs) wl-summary-buffer-number-list)))))
1861         (setq msgs (cdr msgs)))
1862       (when (eq wl-summary-buffer-view 'thread)
1863         (let ((updates (elmo-uniq-list update-list)))
1864           (elmo-with-progress-display (wl-thread-update-line (length updates))
1865               "Updating deleted thread"
1866             (wl-thread-update-line-msgs updates)
1867             (wl-thread-cleanup-symbols msgs2))))
1868       (wl-summary-count-unread)
1869       (wl-summary-update-modeline)
1870       (wl-summary-folder-info-update))))
1871
1872 (defun wl-summary-update-status-marks (beg end &optional check)
1873   "Synchronize status marks on current buffer to the msgdb."
1874   (interactive "r")
1875   (save-excursion
1876     (goto-char beg)
1877     (while (and (< (point) end) (not (eobp)))
1878       (when (or (not check)
1879                 (wl-summary-persistent-mark-invalid-p))
1880         (wl-summary-update-persistent-mark))
1881       (forward-line 1))))
1882
1883 (defun wl-summary-update-mark-window (&optional win beg)
1884   "Update persistent mark in visible summary window.
1885 This function is defined for `window-scroll-functions'"
1886   (with-current-buffer (window-buffer win)
1887     (when (eq major-mode 'wl-summary-mode)
1888       (let ((start (window-start win))
1889             (end (condition-case nil
1890                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1891                    (error (window-end win)))))
1892         (wl-summary-update-status-marks start end 'check)))))
1893
1894 (defun wl-summary-insert-message (&rest args)
1895   (if (eq wl-summary-buffer-view 'thread)
1896       (apply 'wl-summary-insert-thread args)
1897     (apply 'wl-summary-insert-sequential args)))
1898
1899 (defun wl-summary-sort (reverse)
1900   "Sort summary lines into the selected order; argument means descending order."
1901   (interactive "P")
1902   (let ((default-value (symbol-name wl-summary-default-sort-spec)))
1903     (wl-summary-rescan
1904      (wl-completing-read-multiple
1905       (format "%s by (%s): " (if reverse "Reverse sort" "Sort") default-value)
1906       (nconc
1907        (mapcar (lambda (spec) (list (symbol-name spec)))
1908                wl-summary-sort-specs)
1909        (mapcar (lambda (spec) (list (concat "!" (symbol-name spec))))
1910                wl-summary-sort-specs))
1911       nil t nil nil
1912       default-value)
1913      reverse)))
1914
1915 (defun wl-summary-get-available-flags (&optional include-specials)
1916   (let ((flags (elmo-uniq-list
1917                 (append elmo-global-flags
1918                         (copy-sequence elmo-preserved-flags))
1919                 #'delq)))
1920     (if include-specials
1921         flags
1922       (delq 'new (delq 'cached flags)))))
1923
1924 (defun wl-summary-sync-marks ()
1925   "Update persistent marks in summary."
1926   (interactive)
1927   (let ((mes "Updated ")
1928         diff diffs)
1929     (message "Updating marks...")
1930     (dolist (flag (wl-summary-get-available-flags))
1931       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1932                                   wl-summary-buffer-elmo-folder
1933                                   flag)
1934                                  (elmo-folder-list-flagged
1935                                   wl-summary-buffer-elmo-folder
1936                                   flag 'in-msgdb)))
1937       (setq diffs (cadr diff))
1938       (setq mes (concat mes (format "-%d" (length diffs))))
1939       (when diffs
1940         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1941       (setq diffs (car diff)
1942             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1943       (when diffs
1944         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1945     (if (interactive-p) (message "%s" mes))))
1946
1947 (defun wl-summary-sync-update (&optional unset-cursor
1948                                          disable-killed
1949                                          sync-all
1950                                          no-check)
1951   "Update the summary view to the newest folder status."
1952   (interactive)
1953   (let* ((folder wl-summary-buffer-elmo-folder)
1954          (elmo-mime-charset wl-summary-buffer-mime-charset)
1955          (inhibit-read-only t)
1956          (buffer-read-only nil)
1957          gc-message                     ; for XEmacs
1958          crossed expunged mes)
1959     (unwind-protect
1960         (progn
1961           (unless wl-summary-buffer-elmo-folder
1962             (error "(Internal error) Folder is not set:%s" (buffer-name
1963                                                             (current-buffer))))
1964           ;; Flush pending append operations (disconnected operation).
1965           ;;(setq seen-list
1966           ;;(wl-summary-flush-pending-append-operations seen-list))
1967           (goto-char (point-max))
1968           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1969           (setq crossed (elmo-folder-synchronize folder
1970                                                  disable-killed
1971                                                  sync-all
1972                                                  no-check))
1973           (if crossed
1974               (let ((wl-summary-highlight
1975                      (and wl-summary-highlight
1976                           (not wl-summary-lazy-highlight)))
1977                     append-list delete-list
1978                     update-thread update-top-list
1979                     num diff entity)
1980                 ;; Setup sync-all
1981                 (if sync-all (wl-summary-sync-all-init))
1982                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1983                                             folder
1984                                             (not disable-killed)
1985                                             'in-msgdb)
1986                                            wl-summary-buffer-number-list))
1987                 (setq append-list (sort (car diff) #'<))
1988                 (setq delete-list (cadr diff))
1989
1990                 (when delete-list
1991                   (wl-summary-delete-messages-on-buffer delete-list))
1992                 (unless wl-summary-lazy-update-mark
1993                   (wl-summary-update-status-marks (point-min) (point-max)))
1994                 (when (and wl-summary-lazy-highlight
1995                            wl-summary-lazy-update-mark)
1996                   (let (buffer-read-only)
1997                     (put-text-property (point-min) (point-max) 'face nil)))
1998                 (setq num (length append-list))
1999                 (setq wl-summary-delayed-update nil)
2000                 (elmo-kill-buffer wl-summary-search-buf-name)
2001                 (elmo-with-progress-display (wl-summary-insert-line num)
2002                     (if (eq wl-summary-buffer-view 'thread)
2003                         "Making thread"
2004                       "Inserting message")
2005                   (dolist (number append-list)
2006                     (setq entity (elmo-message-entity folder number))
2007                     (when (setq update-thread
2008                                 (wl-summary-insert-message
2009                                  entity folder
2010                                  (not sync-all)))
2011                       (wl-append update-top-list update-thread))
2012                     (if elmo-use-database
2013                         (elmo-database-msgid-put
2014                          (elmo-message-entity-field entity 'message-id)
2015                          (elmo-folder-name-internal folder)
2016                          (elmo-message-entity-number entity))))
2017                   (while wl-summary-delayed-update
2018                     (message "Parent (%d) of message %d is no entity"
2019                              (caar wl-summary-delayed-update)
2020                              (elmo-message-entity-number
2021                               (cdar wl-summary-delayed-update)))
2022                     (when (setq update-thread
2023                                 (wl-summary-insert-message
2024                                  (cdar wl-summary-delayed-update)
2025                                  wl-summary-buffer-elmo-folder
2026                                  (not sync-all) t))
2027                       (wl-append update-top-list update-thread))
2028                     (setq wl-summary-delayed-update
2029                           (cdr wl-summary-delayed-update))))
2030                 (when (and (eq wl-summary-buffer-view 'thread)
2031                            update-top-list)
2032                   (wl-thread-update-indent-string-thread
2033                    (elmo-uniq-list update-top-list)))
2034                 (when (or delete-list append-list)
2035                   (wl-summary-set-message-modified))
2036                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2037                   (elmo-kill-buffer wl-summary-search-buf-name)
2038                   (wl-thread-insert-top))
2039                 (if elmo-use-database
2040                     (elmo-database-close))
2041                 (run-hooks 'wl-summary-sync-updated-hook)
2042                 (setq mes
2043                       (if (and (eq (length delete-list) 0)
2044                                (eq num 0))
2045                           (format
2046                            "No updates for \"%s\"" (elmo-folder-name-internal
2047                                                     folder))
2048                         (format "Updated (-%d/+%d) message(s)"
2049                                 (length delete-list) num))))
2050             (setq mes "Quit updating")))
2051       ;; synchronize marks.
2052       (if (and crossed wl-summary-auto-sync-marks)
2053           (wl-summary-sync-marks))
2054       ;; scoring
2055       (when wl-use-scoring
2056         (setq wl-summary-scored nil)
2057         (wl-summary-score-headers (and sync-all
2058                                        (wl-summary-rescore-msgs
2059                                         wl-summary-buffer-number-list))
2060                                   sync-all)
2061         (when (and wl-summary-scored
2062                    (setq expunged (wl-summary-score-update-all-lines)))
2063           (setq mes (concat mes
2064                             (format " (%d expunged)"
2065                                     (length expunged))))))
2066       (if (and crossed (> crossed 0))
2067           (setq mes
2068                 (if mes
2069                     (concat mes
2070                             (format " (%d crosspost)" crossed))
2071                   (format "%d crosspost message(s)" crossed)))
2072         (and mes (setq mes (concat mes "."))))
2073       ;; Update Folder mode
2074       (wl-folder-set-folder-updated
2075        (elmo-folder-name-internal folder)
2076        (list 0
2077              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
2078              (elmo-folder-length folder)))
2079       (wl-summary-update-modeline)
2080       ;;
2081       (unless unset-cursor
2082         (goto-char (point-min))
2083         (if (not (wl-summary-cursor-down t))
2084             (progn
2085               (goto-char (point-max))
2086               (forward-line -1))
2087           (when (and wl-summary-highlight
2088                      (not wl-summary-lazy-highlight)
2089                      (not (get-text-property (point) 'face)))
2090             (save-excursion
2091               (forward-line (- 0
2092                                (or
2093                                 wl-summary-partial-highlight-above-lines
2094                                 wl-summary-highlight-partial-threshold)))
2095               (wl-highlight-summary (point) (point-max))))))
2096       (wl-delete-all-overlays)
2097       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2098       (set-buffer-modified-p nil)
2099       (if mes (message "%s" mes)))))
2100
2101 (defun wl-summary-set-score-mark (mark)
2102   (save-excursion
2103     (beginning-of-line)
2104     (let ((cur-mark (wl-summary-temp-mark)))
2105       (when (member cur-mark (list " "
2106                                    wl-summary-score-below-mark
2107                                    wl-summary-score-over-mark))
2108         (wl-summary-put-temp-mark mark)
2109         (if wl-summary-highlight
2110             (wl-highlight-summary-current-line))
2111         (set-buffer-modified-p nil)))))
2112
2113 (defun wl-summary-get-score-mark (msg-num)
2114   (let ((score (cdr (assq msg-num wl-summary-scored))))
2115     (if score
2116         (cond ((< score wl-summary-default-score)
2117                "-")
2118               ((> score wl-summary-default-score)
2119                "+")))))
2120
2121 (defun wl-summary-update-modeline ()
2122   (setq wl-summary-buffer-mode-line
2123         (funcall wl-summary-buffer-mode-line-formatter)))
2124
2125 (defun wl-summary-jump-to-msg (&optional number beg end)
2126   (interactive "NJump to Message (No.): ")
2127   (when number
2128     (let ((pos (point))
2129           regexp)
2130       (setq regexp (concat "\r" (number-to-string number) "[^0-9]"))
2131       (if (and beg end (or (< pos beg) (< end pos)))
2132           (progn
2133             (goto-char beg)
2134             (if (re-search-forward regexp end t)
2135                 (progn (backward-char 1) (beginning-of-line) t)
2136               (goto-char pos)
2137               nil))
2138         (beginning-of-line)
2139         (if (or (and (re-search-forward regexp end t)
2140                      (progn (backward-char 1) t))
2141                 (re-search-backward regexp beg t))
2142             (progn (beginning-of-line) t)
2143           nil)))))
2144
2145 (defun wl-summary-highlight-msgs (msgs)
2146   (save-excursion
2147     (elmo-with-progress-display (wl-summary-highlight-line (length msgs))
2148         "Hilighting"
2149       (while msgs
2150         (if (wl-summary-jump-to-msg (car msgs))
2151             (wl-highlight-summary-current-line))
2152         (setq msgs (cdr msgs))
2153         (elmo-progress-notify 'wl-summary-highlight-line)))))
2154
2155 (defun wl-summary-message-number ()
2156   (save-excursion
2157     (beginning-of-line)
2158     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2159             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2160         (string-to-number (wl-match-buffer 1))
2161       nil)))
2162
2163 (defun wl-summary-delete-all-msgs ()
2164   (interactive)
2165   (let ((cur-buf (current-buffer))
2166         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2167     (set-buffer cur-buf)
2168     (if (null dels)
2169         (message "No message to delete.")
2170       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2171                             (wl-summary-buffer-folder-name)
2172                             (length dels)))
2173           (progn
2174             (message "Deleting...")
2175             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2176                                        'null)
2177             (wl-summary-set-message-modified)
2178             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2179                                           (list 0 0 0))
2180 ;;; for thread.
2181 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2182             (setq wl-summary-buffer-unread-count 0)
2183             (setq wl-summary-buffer-new-count    0)
2184             (wl-summary-update-modeline)
2185             (set-buffer cur-buf)
2186             (let ((inhibit-read-only t)
2187                   (buffer-read-only nil))
2188               (erase-buffer))
2189 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2190             (message "Deleting...done")
2191             t)
2192         nil))))
2193
2194 (defun wl-summary-toggle-thread (&optional arg)
2195   "Toggle thread status (T)hread and (S)equential.
2196 If ARG, without confirm."
2197   (interactive "P")
2198   (when (or arg
2199             (y-or-n-p (format "Toggle threading? (y=%s): "
2200                               (if (eq wl-summary-buffer-view 'thread)
2201                                   "\"off\"" "\"on\""))))
2202     (if (eq wl-summary-buffer-view 'thread)
2203         (setq wl-summary-buffer-view 'sequence)
2204       (setq wl-summary-buffer-view 'thread))
2205     (wl-summary-update-modeline)
2206     (force-mode-line-update)
2207     (wl-summary-rescan nil nil nil t)))
2208
2209 (defun wl-summary-load-file-object (filename)
2210   "Load lisp object from dir."
2211   (with-temp-buffer
2212     (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
2213           insert-file-contents-post-hook
2214           ret-val)
2215       (if (not (file-readable-p filename))
2216           ()
2217         (as-binary-input-file (insert-file-contents filename))
2218         (condition-case nil
2219             (read (current-buffer))
2220           (error (error "Reading failed")))))))
2221
2222 (defun wl-summary-goto-folder (&optional arg)
2223   (interactive "P")
2224   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2225
2226 (defun wl-summary-goto-folder-sticky ()
2227   (interactive)
2228   (wl-summary-goto-folder-subr nil nil nil t t))
2229
2230 (defun wl-summary-goto-last-visited-folder ()
2231   (interactive)
2232   (let ((entity
2233          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2234                                           wl-folder-entity
2235                                           'folder)))
2236     (if entity (wl-folder-set-current-entity-id
2237                 (wl-folder-get-entity-id entity))))
2238   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2239
2240 (defun wl-summary-sticky-p (&optional folder)
2241   (if folder
2242       (get-buffer (wl-summary-sticky-buffer-name
2243                    (elmo-folder-name-internal folder)))
2244     (not (string= wl-summary-buffer-name (buffer-name)))))
2245
2246 (defun wl-summary-always-sticky-folder-p (folder)
2247   (or (eq t wl-summary-always-sticky-folder-list)
2248       (wl-string-match-member
2249        (elmo-folder-name-internal folder)
2250        wl-summary-always-sticky-folder-list)))
2251
2252 (defun wl-summary-stick (&optional force)
2253   "Make current summary buffer sticky."
2254   (interactive "P")
2255   (if (wl-summary-sticky-p)
2256       (message "Current summary buffer is already sticky.")
2257     (when (or force (y-or-n-p "Stick current summary buffer? "))
2258       (wl-summary-toggle-disp-msg 'off)
2259       (wl-summary-switch-to-clone-buffer
2260        (wl-summary-sticky-buffer-name
2261         (wl-summary-buffer-folder-name)))
2262 ;;; ???hang up
2263 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2264 ;;;                   (wl-summary-buffer-folder-name))))
2265       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2266
2267 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2268   (let ((cur-buf (current-buffer))
2269         (msg (wl-summary-message-number))
2270         (buf (get-buffer-create buffer-name))
2271         (folder wl-summary-buffer-elmo-folder)
2272         (copy-variables
2273          (append '(wl-summary-buffer-view
2274                    wl-summary-buffer-temp-mark-list
2275                    wl-summary-buffer-target-mark-list
2276                    wl-summary-buffer-elmo-folder
2277                    wl-summary-buffer-number-column
2278                    wl-summary-buffer-temp-mark-column
2279                    wl-summary-buffer-persistent-mark-column
2280                    wl-summary-buffer-message-modified
2281                    wl-summary-buffer-thread-modified
2282                    wl-summary-buffer-number-list
2283                    wl-summary-buffer-persistent-mark-version
2284                    wl-summary-buffer-folder-name
2285                    wl-summary-buffer-line-formatter)
2286                  (and (eq wl-summary-buffer-view 'thread)
2287                       '(wl-thread-entity-hashtb
2288                         wl-thread-entities
2289                         wl-thread-entity-list))
2290                  (and wl-use-scoring
2291                       '(wl-summary-scored
2292                         wl-summary-default-score
2293                         wl-summary-important-above
2294                         wl-summary-target-above
2295                         wl-summary-mark-below
2296                         wl-summary-expunge-below))
2297                  (and (featurep 'wl-score)
2298                       '(wl-current-score-file
2299                         wl-score-alist)))))
2300     (set-buffer buf)
2301     (wl-summary-mode)
2302     (wl-summary-buffer-set-folder folder)
2303     (let ((buffer-read-only nil))
2304       (insert-buffer-substring cur-buf))
2305     (set-buffer-modified-p nil)
2306     (while copy-variables
2307       (set (car copy-variables)
2308            (save-excursion
2309              (set-buffer cur-buf)
2310              (symbol-value (car copy-variables))))
2311       (setq copy-variables (cdr copy-variables)))
2312     (switch-to-buffer buf)
2313     (kill-buffer cur-buf)
2314     (wl-summary-count-unread)
2315     (wl-summary-update-modeline)
2316     (if msg
2317         (if (eq wl-summary-buffer-view 'thread)
2318             (wl-thread-jump-to-msg msg)
2319           (wl-summary-jump-to-msg msg))
2320       (goto-char (point-max))
2321       (beginning-of-line))))
2322
2323 (defun wl-summary-get-buffer (folder)
2324   (and folder
2325        (or (get-buffer (wl-summary-sticky-buffer-name folder))
2326            (let ((buffer (get-buffer wl-summary-buffer-name)))
2327              (and buffer
2328                   (with-current-buffer buffer
2329                     (string= (wl-summary-buffer-folder-name) folder))
2330                   buffer)))))
2331
2332 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2333   (if force-sticky
2334       (get-buffer-create
2335        (wl-summary-sticky-buffer-name name))
2336     (or (get-buffer (wl-summary-sticky-buffer-name name))
2337         (get-buffer-create wl-summary-buffer-name))))
2338
2339 (defun wl-summary-make-number-list ()
2340   (save-excursion
2341     (goto-char (point-min))
2342     (setq wl-summary-buffer-number-list nil)
2343     (while (not (eobp))
2344       (setq wl-summary-buffer-number-list
2345             (cons (wl-summary-message-number)
2346                   wl-summary-buffer-number-list))
2347       (forward-line 1))
2348     (setq wl-summary-buffer-number-list
2349           (nreverse wl-summary-buffer-number-list))))
2350
2351 (defun wl-summary-auto-select-msg-p (unread-msg)
2352   (and unread-msg
2353        (not (elmo-message-has-global-flag-p
2354              wl-summary-buffer-elmo-folder unread-msg))))
2355
2356 (defsubst wl-summary-open-folder (folder)
2357   ;; Select folder
2358   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2359     (unwind-protect
2360         (elmo-folder-open folder 'load-msgdb)
2361       ;; For compatibility
2362       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2363                                            folder)))))
2364
2365 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2366                                               sticky interactive scoring
2367                                               force-exit)
2368   "Display target folder on summary."
2369   (interactive)
2370   (let* ((keep-cursor (memq this-command
2371                             wl-summary-keep-cursor-command))
2372          (name (or name (wl-summary-read-folder wl-default-folder)))
2373          (cur-fld wl-summary-buffer-elmo-folder)
2374          folder buf mes hilit reuse-buf
2375          retval entity)
2376     (if (string= name "")
2377         (setq name wl-default-folder))
2378     (setq folder (wl-folder-get-elmo-folder name))
2379     (when (and (not (string=
2380                      (and cur-fld (elmo-folder-name-internal cur-fld))
2381                      (elmo-folder-name-internal folder))) ; folder is moved.
2382                (eq major-mode 'wl-summary-mode)) ; called in summary.
2383       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2384       (run-hooks 'wl-summary-exit-pre-hook)
2385       (let ((discard-contents (or force-exit (not (wl-summary-sticky-p)))))
2386         (when discard-contents
2387           (wl-summary-cleanup-temp-marks))
2388         (wl-summary-save-view)
2389         (if discard-contents
2390             (elmo-folder-close wl-summary-buffer-elmo-folder)
2391           (elmo-folder-commit wl-summary-buffer-elmo-folder)))
2392       (if (and (wl-summary-sticky-p) force-exit)
2393           (kill-buffer (current-buffer))))
2394     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2395                                             sticky))
2396     (setq reuse-buf
2397           (save-excursion
2398             (set-buffer buf)
2399             (string= (elmo-folder-name-internal folder)
2400                      (wl-summary-buffer-folder-name))))
2401     (unwind-protect
2402         (if reuse-buf
2403             (if interactive
2404                 (switch-to-buffer buf)
2405               (set-buffer buf))
2406           (if other-window
2407               (delete-other-windows))
2408           (set-buffer buf)
2409           (unless (eq major-mode 'wl-summary-mode)
2410             (wl-summary-mode))
2411           (wl-summary-buffer-set-folder folder)
2412           (setq wl-summary-buffer-display-mime-mode
2413                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2414                     'as-is
2415                   'mime))
2416           (setq wl-summary-buffer-disp-msg nil)
2417           (setq wl-summary-buffer-message-ring nil)
2418           (setq wl-summary-buffer-current-msg nil)
2419           (setq wl-summary-buffer-persistent-mark-version 0)
2420           (let ((inhibit-read-only t)
2421                 (buffer-read-only nil))
2422             (erase-buffer)
2423             ;; Resume summary view
2424             (if wl-summary-cache-use
2425                 (let* ((dir (elmo-folder-msgdb-path folder))
2426                        (cache (expand-file-name wl-summary-cache-file dir))
2427                        (view (expand-file-name wl-summary-view-file dir)))
2428                   (when (file-exists-p cache)
2429                     (insert-file-contents-as-binary cache)
2430                     (set-buffer-multibyte
2431                      default-enable-multibyte-characters)
2432                     (decode-mime-charset-region
2433                      (point-min)(point-max)
2434                      wl-summary-buffer-mime-charset 'LF))
2435                   (if (file-exists-p view)
2436                       (setq wl-summary-buffer-view
2437                             (wl-summary-load-file-object view))
2438                     (setq wl-summary-buffer-view
2439                           (or (wl-get-assoc-list-value
2440                                wl-summary-default-view-alist
2441                                (elmo-folder-name-internal folder))
2442                               wl-summary-default-view)))
2443                   (wl-thread-resume-entity folder)
2444                   (wl-summary-open-folder folder)
2445                   (wl-summary-detect-mark-position))
2446               (setq wl-summary-buffer-view
2447                     (wl-summary-load-file-object
2448                      (expand-file-name wl-summary-view-file
2449                                        (elmo-folder-msgdb-path folder))))
2450               (wl-summary-open-folder folder)
2451               (wl-summary-detect-mark-position)
2452               (wl-summary-rescan))
2453             (wl-summary-count-unread)
2454             (wl-summary-update-modeline)))
2455       (unless (eq wl-summary-buffer-view 'thread)
2456         (wl-summary-make-number-list))
2457       (when (and wl-summary-cache-use
2458                  (or (and wl-summary-check-line-format
2459                           (wl-summary-line-format-changed-p))
2460                      (wl-summary-view-old-p)))
2461         (wl-summary-rescan))
2462       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2463       (unless (and reuse-buf keep-cursor)
2464         (unwind-protect
2465             (let ((wl-use-scoring
2466                    (if (or scoring interactive) wl-use-scoring)))
2467               (if (and (not scan-type)
2468                        interactive
2469                        (not wl-ask-range))
2470                   (setq scan-type (wl-summary-get-sync-range folder)))
2471               (cond
2472                ((eq scan-type nil)
2473                 (wl-summary-sync 'unset-cursor))
2474                ((eq scan-type 'all)
2475                 (wl-summary-sync 'unset-cursor "all"))
2476                ((eq scan-type 'no-sync))
2477                ((eq scan-type 'rescan)
2478                 (wl-summary-rescan))
2479                ((or (eq scan-type 'force-update)
2480                     (eq scan-type 'update))
2481                 (setq mes (wl-summary-sync-force-update
2482                            'unset-cursor)))))
2483           (if interactive
2484               (switch-to-buffer buf)
2485             (set-buffer buf))
2486           ;; stick always-sticky-folder
2487           (when (wl-summary-always-sticky-folder-p folder)
2488             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2489           (run-hooks 'wl-summary-prepared-pre-hook)
2490           (set-buffer-modified-p nil)
2491           (goto-char (point-min))
2492           (if (wl-summary-cursor-down t)
2493               (let ((unreadp (wl-summary-next-message
2494                               (wl-summary-message-number)
2495                               'down t)))
2496                 (cond ((and wl-auto-select-first
2497                             (wl-summary-auto-select-msg-p unreadp))
2498                        ;; wl-auto-select-first is non-nil and
2499                        ;; unreadp is non-nil but not flagged
2500                        (setq retval 'disp-msg))
2501                       ((and wl-auto-prefetch-first
2502                             (wl-summary-auto-select-msg-p unreadp))
2503                        ;; wl-auto-select-first is non-nil and
2504                        ;; unreadp is non-nil but not flagged
2505                        (setq retval 'prefetch-msg))
2506                       ((not (wl-summary-auto-select-msg-p unreadp))
2507                        ;; unreadp is nil or flagged
2508                        (setq retval 'more-next))))
2509             (goto-char (point-max))
2510             (if (elmo-folder-plugged-p folder)
2511                 (forward-line -1)
2512               (wl-summary-prev))
2513             (setq retval 'more-next))
2514           (if (and wl-summary-highlight
2515                    (not wl-summary-lazy-highlight)
2516                    (not reuse-buf))
2517               (if (and wl-summary-highlight-partial-threshold
2518                        (> (count-lines (point-min) (point-max))
2519                           wl-summary-highlight-partial-threshold))
2520                   (save-excursion
2521                     (forward-line (-
2522                                    0
2523                                    (or
2524                                     wl-summary-partial-highlight-above-lines
2525                                     wl-summary-highlight-partial-threshold)))
2526                     (wl-highlight-summary (point) (point-max)))
2527                 (wl-highlight-summary (point-min) (point-max))))
2528           (if (eq retval 'disp-msg)
2529               (wl-summary-redisplay))
2530           (if (eq retval 'prefetch-msg)
2531               (wl-message-buffer-prefetch
2532                folder
2533                (wl-summary-message-number)
2534                (min (or wl-message-buffer-prefetch-depth 0)
2535                     (1- wl-message-buffer-cache-size))
2536                (current-buffer)
2537                wl-summary-buffer-mime-charset))
2538           (if mes (message "%s" mes))
2539           (if (and interactive wl-summary-recenter)
2540               (recenter (/ (- (window-height) 2) 2))))))
2541     ;; set current entity-id
2542     (when (and folder
2543                (setq entity
2544                      (wl-folder-search-entity-by-name
2545                       (elmo-folder-name-internal folder)
2546                       wl-folder-entity
2547                       'folder)))
2548       ;; entity-id is unknown.
2549       (wl-folder-set-current-entity-id
2550        (wl-folder-get-entity-id entity)))
2551     (when (and wl-summary-buffer-window-scroll-functions
2552                wl-on-xemacs)
2553       (sit-for 0))
2554     (when (or (eq t wl-summary-force-prefetch-folder-list)
2555               (wl-string-match-member
2556                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2557                wl-summary-force-prefetch-folder-list))
2558       (wl-summary-force-prefetch))
2559     (unwind-protect
2560         (run-hooks 'wl-summary-prepared-hook)
2561       (set-buffer-modified-p nil))
2562     retval))
2563
2564 (defun wl-summary-goto-previous-message-beginning ()
2565   (end-of-line)
2566   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2567   (beginning-of-line))
2568
2569 (defun wl-summary-goto-top-of-current-thread ()
2570   (wl-summary-jump-to-msg
2571    (wl-thread-entity-get-number
2572     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2573                                       (wl-summary-message-number))))))
2574
2575 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2576   (interactive)
2577   (let ((depth (or depth
2578                    (wl-thread-get-depth-of-current-line))))
2579     (forward-line 1)
2580     (while (and (not (eobp))
2581                 (>= (wl-thread-get-depth-of-current-line)
2582                     depth))
2583       (forward-line 1))
2584     (beginning-of-line)))
2585
2586 (defun wl-summary-insert-line (line)
2587   "Insert LINE in the Summary."
2588   (if wl-use-highlight-mouse-line
2589       ;; remove 'mouse-face of current line.
2590       (put-text-property
2591        (point-at-bol) (point-at-eol)
2592        'mouse-face nil))
2593   (insert line "\n")
2594   (save-excursion
2595     (forward-line -1)
2596     (let* ((number (wl-summary-message-number))
2597            (mark-info (wl-summary-registered-temp-mark number)))
2598       (when (and mark-info (nth 2 mark-info))
2599         (wl-summary-print-argument number (nth 2 mark-info)))))
2600   (if wl-use-highlight-mouse-line
2601       ;; remove 'mouse-face of current line.
2602       (put-text-property
2603        (point-at-bol) (point-at-eol)
2604        'mouse-face nil))
2605   (elmo-progress-notify 'wl-summary-insert-line)
2606   (ignore-errors
2607     (run-hooks 'wl-summary-line-inserted-hook)))
2608
2609 (defun wl-summary-insert-sequential (entity folder &rest args)
2610   (when entity
2611     (let ((inhibit-read-only t)
2612           (number (elmo-message-entity-number entity))
2613           buffer-read-only)
2614       (goto-char (point-max))
2615       (wl-summary-insert-line
2616        (wl-summary-create-line entity nil nil
2617                                (elmo-message-status folder number)))
2618       (setq wl-summary-buffer-number-list
2619             (wl-append wl-summary-buffer-number-list
2620                        (list (elmo-message-entity-number entity))))
2621       nil)))
2622
2623 (defun wl-summary-default-subject-filter (subject)
2624   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2625   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2626   (elmo-replace-in-string subject "^\\[[^]]*\\]" ""))
2627
2628 (defun wl-summary-subject-equal (subject1 subject2)
2629   (string= (funcall wl-summary-subject-filter-function subject1)
2630            (funcall wl-summary-subject-filter-function subject2)))
2631
2632 (defmacro wl-summary-put-alike (alike)
2633   `(elmo-set-hash-val (format "#%d" (wl-count-lines))
2634                       ,alike
2635                       wl-summary-alike-hashtb))
2636
2637 (defsubst wl-summary-get-alike ()
2638   (elmo-get-hash-val (format "#%d" (wl-count-lines))
2639                      wl-summary-alike-hashtb))
2640
2641 (defun wl-summary-insert-headers (folder func &optional mime-decode)
2642   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2643         ov this last alike)
2644     (buffer-disable-undo (current-buffer))
2645     (make-local-variable 'wl-summary-alike-hashtb)
2646     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2647     (when mime-decode
2648       (set-buffer-multibyte default-enable-multibyte-characters))
2649     (while (setq ov (elmo-message-entity folder (pop numbers)))
2650       (setq this (funcall func ov))
2651       (and this (setq this (std11-unfold-string this)))
2652       (if (equal last this)
2653           (setq alike (cons ov alike))
2654         (when last
2655           (wl-summary-put-alike alike)
2656           (insert last ?\n))
2657         (setq alike (list ov)
2658               last this)))
2659     (when last
2660       (wl-summary-put-alike alike)
2661       (insert last ?\n))
2662     (when mime-decode
2663       (decode-mime-charset-region (point-min) (point-max)
2664                                   elmo-mime-charset)
2665       (when (eq mime-decode 'mime)
2666         (eword-decode-region (point-min) (point-max))))
2667     (run-hooks 'wl-summary-insert-headers-hook)))
2668
2669 (defun wl-summary-search-by-subject (entity folder)
2670   (let ((summary-buf (current-buffer))
2671         (buf (get-buffer-create wl-summary-search-buf-name))
2672         (folder-name (wl-summary-buffer-folder-name))
2673         match founds result)
2674     (with-current-buffer buf
2675       (let ((case-fold-search t))
2676         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2677                   (zerop (buffer-size)))
2678           (setq wl-summary-search-buf-folder-name folder-name)
2679           (message "Creating subject cache...")
2680           (wl-summary-insert-headers
2681            folder
2682            (lambda (x)
2683              (funcall wl-summary-subject-filter-function
2684                       (elmo-message-entity-field x 'subject))))
2685           (message "Creating subject cache...done"))
2686         (setq match (funcall wl-summary-subject-filter-function
2687                              (elmo-message-entity-field entity 'subject)))
2688         (if (string= match "")
2689             (setq match "\n"))
2690         (goto-char (point-max))
2691         (while (and (null result)
2692                     (not (= (point) (point-min)))
2693                     (search-backward match nil t))
2694           ;; check exactly match
2695           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2696             (setq founds (wl-summary-get-alike))
2697             (with-current-buffer summary-buf
2698               (while founds
2699                 (when (and
2700                        ;; the first element of found-entity list exists on
2701                        ;; thread tree.
2702                        (wl-thread-get-entity
2703                         (elmo-message-entity-number (car founds)))
2704                        ;; message id is not same as myself.
2705                        (not (string=
2706                              (elmo-message-entity-field entity 'message-id)
2707                              (elmo-message-entity-field (car founds)
2708                                                         'message-id)))
2709                        ;; not a descendant.
2710                        (not (wl-thread-descendant-p
2711                              (elmo-message-entity-number entity)
2712                              (elmo-message-entity-number (car founds)))))
2713                   (setq result (car founds)
2714                         founds nil))
2715                 (setq founds (cdr founds))))))
2716         result))))
2717
2718 (defun wl-summary-insert-thread (entity folder update
2719                                         &optional force-insert)
2720   (let ((depth 0)
2721         this-id parent-entity parent-number
2722         number cur-entity linked retval delayed-entity
2723         update-list entity-stack thread-entity)
2724     (while entity
2725       (setq this-id (elmo-message-entity-field entity 'message-id)
2726             number (elmo-message-entity-number entity))
2727       (if (and wl-thread-saved-entity-hashtb-internal
2728                (setq thread-entity
2729                      (elmo-get-hash-val
2730                       (format "#%d" (elmo-message-entity-number entity))
2731                       wl-thread-saved-entity-hashtb-internal)))
2732           (setq parent-entity
2733                 (elmo-message-entity
2734                  folder
2735                  (wl-thread-entity-get-parent thread-entity))
2736                 linked (wl-thread-entity-get-linked thread-entity))
2737         (setq parent-entity (elmo-message-entity-parent folder entity)
2738               linked nil))
2739       (setq parent-number (and parent-entity
2740                                (elmo-message-entity-number parent-entity)))
2741       ;; If thread loop detected, set parent as nil.
2742       (let ((cur entity)
2743             anumber relatives)
2744         (while cur
2745           (when (setq anumber
2746                       (elmo-message-entity-number
2747                        (setq cur (elmo-message-entity-parent folder cur))))
2748             (if (memq anumber relatives)
2749                 (setq parent-number nil
2750                       cur nil))
2751             (setq relatives (cons anumber relatives)))))
2752       (if (and parent-number
2753                (not (wl-thread-get-entity parent-number))
2754                (not force-insert))
2755           ;; parent exists in overview, but not in wl-thread-entities
2756           (progn
2757             (wl-append wl-summary-delayed-update
2758                        (list (cons parent-number entity)))
2759             (setq entity nil)) ;; exit loop
2760         ;; Search parent by subject.
2761         (when (and (null parent-number)
2762                    wl-summary-search-parent-by-subject-regexp
2763                    (string-match
2764                     wl-summary-search-parent-by-subject-regexp
2765                     (elmo-message-entity-field entity 'subject)))
2766           (let ((found (wl-summary-search-by-subject entity folder)))
2767             (when (and found
2768                        (not (member found wl-summary-delayed-update)))
2769               (setq parent-entity found)
2770               (setq parent-number
2771                     (elmo-message-entity-number parent-entity))
2772               (setq linked t))))
2773         ;; If subject is change, divide thread.
2774         (if (and parent-number
2775                  wl-summary-divide-thread-when-subject-changed
2776                  (not (wl-summary-subject-equal
2777                        (or (elmo-message-entity-field entity 'subject) "")
2778                        (or (elmo-message-entity-field parent-entity
2779                                                       'subject) ""))))
2780             (setq parent-number nil))
2781         (setq retval
2782               (wl-thread-insert-message entity
2783                                         number parent-number update linked))
2784         (and retval
2785              (wl-append update-list (list retval)))
2786         (setq entity nil) ; exit loop
2787         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2788           (setq wl-summary-delayed-update
2789                 (delq delayed-entity wl-summary-delayed-update))
2790           ;; update delayed message
2791           (wl-append entity-stack (list (cdr delayed-entity)))))
2792       (if (and (not entity)
2793                entity-stack)
2794           (setq entity (pop entity-stack))))
2795     update-list))
2796
2797 (defun wl-summary-update-thread (entity
2798                                  thr-entity
2799                                  parent-entity)
2800   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2801          (overview-entity entity)
2802          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2803          (number (elmo-message-entity-number entity))
2804          (parent-number (elmo-message-entity-number parent-entity))
2805          insert-line)
2806     (cond
2807      ((or (not parent-id)
2808           (string= this-id parent-id))
2809       (goto-char (point-max))
2810       (beginning-of-line)
2811       (setq insert-line t))
2812      ;; parent already exists in buffer.
2813      ((wl-summary-jump-to-msg parent-number)
2814       (wl-thread-goto-bottom-of-sub-thread)
2815       (setq insert-line t)))
2816     (when insert-line
2817       (let (buffer-read-only)
2818         (wl-summary-insert-line
2819          (wl-summary-create-line
2820           entity
2821           parent-entity
2822           nil
2823           (wl-summary-message-status number)
2824           (wl-thread-maybe-get-children-num number)
2825           (wl-thread-make-indent-string thr-entity)
2826           (wl-thread-entity-get-linked thr-entity)))))))
2827
2828 (defun wl-summary-target-mark-msgs (msgs)
2829   "Return the number of marked messages."
2830   (let ((i 0))
2831     (dolist (number msgs)
2832       (when (wl-summary-target-mark number)
2833         (setq i (1+ i))))
2834     i))
2835
2836 (defun wl-summary-pick (&optional from-list delete-marks)
2837   (interactive "i\nP")
2838   (save-excursion
2839     (let* ((messages (or from-list
2840                          (elmo-folder-list-messages
2841                           wl-summary-buffer-elmo-folder
2842                           'visible
2843                           'in-msgdb)
2844                          (error "No messages")))
2845            (condition (car (elmo-parse-search-condition
2846                             (wl-read-search-condition
2847                              wl-summary-pick-field-default))))
2848            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2849                                        condition
2850                                        messages))
2851            num)
2852       (if delete-marks
2853           (let ((mlist wl-summary-buffer-target-mark-list))
2854             (while mlist
2855               (when (wl-summary-jump-to-msg (car mlist))
2856                 (wl-summary-unmark))
2857               (setq mlist (cdr mlist)))
2858             (setq wl-summary-buffer-target-mark-list nil)))
2859       (if (and result
2860                (setq num (wl-summary-target-mark-msgs result))
2861                (> num 0))
2862           (if (= num (length result))
2863               (message "%d message(s) are picked." num)
2864             (message "%d(%d) message(s) are picked." num
2865                      (- (length result) num)))
2866         (message "No message was picked.")))))
2867
2868 (defun wl-summary-unvirtual ()
2869   "Exit from current virtual folder."
2870   (interactive)
2871   (if (eq 'filter
2872           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2873       (wl-summary-goto-folder-subr
2874        (elmo-folder-name-internal
2875         (elmo-filter-folder-target-internal
2876          wl-summary-buffer-elmo-folder))
2877        'update nil nil t)
2878     (error "This folder is not filtered")))
2879
2880 (defun wl-summary-virtual (&optional arg)
2881   "Goto virtual folder.
2882 If ARG, exit virtual folder."
2883   (interactive "P")
2884   (if arg
2885       (wl-summary-unvirtual)
2886     (wl-summary-goto-folder-subr (concat "/"
2887                                          (wl-read-search-condition
2888                                           wl-summary-pick-field-default)
2889                                          "/"
2890                                          (wl-summary-buffer-folder-name))
2891                                  'update nil nil t)
2892     (run-hooks 'wl-summary-virtual-hook)))
2893
2894 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2895   "Erase all temp marks from buffer."
2896   (interactive)
2897   (when (or wl-summary-buffer-target-mark-list
2898             wl-summary-buffer-temp-mark-list
2899             wl-summary-scored)
2900     (save-excursion
2901       (goto-char (point-min))
2902       (unless no-msg
2903         (message "Unmarking..."))
2904       (while (not (eobp))
2905         (wl-summary-unset-mark nil nil force)
2906         (forward-line 1))
2907       (unless no-msg
2908         (message "Unmarking...done"))
2909       (setq wl-summary-buffer-target-mark-list nil)
2910       (setq wl-summary-buffer-temp-mark-list nil))))
2911
2912 (defsubst wl-summary-temp-mark (&optional number)
2913   "Return temp-mark string of current line."
2914   (let ((number (or number (wl-summary-message-number)))
2915         info)
2916     (or (and (wl-summary-have-target-mark-p number)
2917              "*")
2918         (and (setq info (wl-summary-registered-temp-mark number))
2919              (nth 1 info))
2920         (wl-summary-get-score-mark number)
2921         " ")))
2922
2923 (defun wl-summary-persistent-mark-invalid-p ()
2924   (not
2925    (equal
2926     ;; mey be nil.
2927     (get-text-property (point) 'wl-summary-persistent-mark-version)
2928     wl-summary-buffer-persistent-mark-version)))
2929
2930 (defun wl-summary-validate-persistent-mark (beg end)
2931   (let ((inhibit-read-only t)
2932         (buffer-read-only nil))
2933     (put-text-property beg end
2934                        'wl-summary-persistent-mark-version
2935                        wl-summary-buffer-persistent-mark-version)
2936     (set-buffer-modified-p nil)))
2937
2938 (defun wl-summary-validate-persistent-mark-string (string)
2939   (put-text-property 0 (length string)
2940                      'wl-summary-persistent-mark-version
2941                      wl-summary-buffer-persistent-mark-version
2942                      string))
2943
2944 (defun wl-summary-invalidate-persistent-mark ()
2945   (setq wl-summary-buffer-persistent-mark-version
2946         (1+ wl-summary-buffer-persistent-mark-version)))
2947
2948 (defsubst wl-summary-persistent-mark-string (folder status)
2949   "Return the persistent mark string.
2950 The mark is decided according to the FOLDER and STATUS."
2951   (let ((priorities wl-summary-persistent-mark-priority-list)
2952         (flags (elmo-message-status-flags status))
2953         (cached (elmo-message-status-cached-p status))
2954         mark)
2955     (while (and (null mark) priorities)
2956       (let ((flag (car priorities)))
2957         (cond
2958          ((eq flag 'flag)
2959           (let ((flags (elmo-get-global-flags flags 'ignore-preserved))
2960                 (specs wl-summary-flag-alist)
2961                 spec)
2962             (when flags
2963               (while (setq spec (car specs))
2964                 (if (memq (car spec) flags)
2965                     (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2966                           specs nil)
2967                   (setq specs (cdr specs))))
2968               (unless mark
2969                 (setq mark wl-summary-flag-mark)))))
2970          ((eq flag 'killed)
2971           (when (elmo-message-status-killed-p status)
2972             (setq mark wl-summary-killed-mark)))
2973          ((memq flag flags)
2974           (setq mark
2975                 (let ((var (intern-soft
2976                             (format
2977                              (if cached
2978                                  "wl-summary-%s-cached-mark"
2979                                "wl-summary-%s-uncached-mark")
2980                              flag))))
2981                   (or (and var (boundp var) (symbol-value var))
2982                       (funcall (if cached #'downcase #'upcase)
2983                                (substring (symbol-name flag) 0 1)))))))
2984         (setq priorities (cdr priorities))))
2985     (or mark
2986         (if (or cached (elmo-folder-local-p folder))
2987             nil
2988           wl-summary-uncached-mark))))
2989
2990 (defsubst wl-summary-message-mark (folder number &optional status)
2991   "Return mark of the message."
2992   (ignore-errors
2993     (wl-summary-persistent-mark-string
2994      folder
2995      (or status (elmo-message-status folder number)))))
2996
2997 (defsubst wl-summary-persistent-mark (&optional number status)
2998   "Return persistent-mark string of current line."
2999   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
3000                                (or number (wl-summary-message-number))
3001                                status)
3002       " "))
3003
3004 (defun wl-summary-put-temp-mark (mark)
3005   "Put temp MARK on current line."
3006   (when wl-summary-buffer-temp-mark-column
3007     (save-excursion
3008       (beginning-of-line)
3009       (let ((inhibit-read-only t)
3010             (buffer-read-only nil))
3011         (move-to-column wl-summary-buffer-temp-mark-column)
3012         (delete-backward-char 1)
3013         (insert mark)))))
3014
3015 (defun wl-summary-next-buffer ()
3016   "Switch to next summary buffer."
3017   (interactive)
3018   (let ((buffers (sort (wl-collect-summary)
3019                        (lambda (buffer1 buffer2)
3020                          (string-lessp (buffer-name buffer1)
3021                                        (buffer-name buffer2))))))
3022     (switch-to-buffer
3023      (or (cadr (memq (current-buffer) buffers))
3024          (car buffers)))))
3025
3026 (defun wl-summary-previous-buffer ()
3027   "Switch to previous summary buffer."
3028   (interactive)
3029   (let ((buffers (sort (wl-collect-summary)
3030                        (lambda (buffer1 buffer2)
3031                          (not (string-lessp (buffer-name buffer1)
3032                                             (buffer-name buffer2)))))))
3033     (switch-to-buffer
3034      (or (cadr (memq (current-buffer) buffers))
3035          (car buffers)))))
3036
3037 (defun wl-summary-check-target-mark ()
3038   (when (null wl-summary-buffer-target-mark-list)
3039     (error "No marked message")))
3040
3041 (defun wl-summary-target-mark-mark-as-read ()
3042   (interactive)
3043   (wl-summary-check-target-mark)
3044   (save-excursion
3045     (goto-char (point-min))
3046     (let ((inhibit-read-only t)
3047           (buffer-read-only nil)
3048           wl-summary-buffer-disp-msg)
3049       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
3050       (dolist (number wl-summary-buffer-target-mark-list)
3051         (wl-summary-unset-mark number)))))
3052
3053 (defun wl-summary-target-mark-mark-as-unread ()
3054   (interactive)
3055   (wl-summary-check-target-mark)
3056   (save-excursion
3057     (goto-char (point-min))
3058     (let ((inhibit-read-only t)
3059           (buffer-read-only nil)
3060           wl-summary-buffer-disp-msg)
3061       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
3062       (dolist (number wl-summary-buffer-target-mark-list)
3063         (wl-summary-unset-mark number)))))
3064
3065 (defun wl-summary-target-mark-operation (flag &optional inverse)
3066   (wl-summary-check-target-mark)
3067   (save-excursion
3068     (let ((inhibit-read-only t)
3069           (buffer-read-only nil)
3070           wl-summary-buffer-disp-msg)
3071       (funcall
3072        (intern (format "wl-summary-mark-as-%s-internal" flag))
3073        inverse
3074        wl-summary-buffer-target-mark-list)
3075       (wl-summary-delete-all-target-marks))))
3076
3077 (defun wl-summary-target-mark-mark-as-important (&optional remove)
3078   (interactive "P")
3079   (wl-summary-target-mark-operation 'important remove))
3080
3081 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
3082   (interactive "P")
3083   (wl-summary-target-mark-operation 'answered remove))
3084
3085 (defun wl-summary-target-mark-set-flags (&optional remove)
3086   (interactive "P")
3087   (wl-summary-check-target-mark)
3088   (save-excursion
3089     (let ((inhibit-read-only t)
3090           (buffer-read-only nil)
3091           wl-summary-buffer-disp-msg)
3092       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
3093                                      nil nil remove)
3094       (wl-summary-delete-all-target-marks)
3095       (wl-summary-count-unread)
3096       (wl-summary-update-modeline))))
3097
3098 (defun wl-summary-target-mark-recover ()
3099   "Recover killed messages which have target mark."
3100   (interactive)
3101   (wl-summary-check-target-mark)
3102   (save-excursion
3103     (let ((inhibit-read-only t)
3104           (buffer-read-only nil)
3105           wl-summary-buffer-disp-msg)
3106       (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
3107                                     wl-summary-buffer-target-mark-list)
3108       (dolist (number wl-summary-buffer-target-mark-list)
3109         (wl-summary-unset-mark number)))))
3110
3111 (defun wl-summary-target-mark-save ()
3112   (interactive)
3113   (wl-summary-check-target-mark)
3114   (let ((wl-save-dir
3115          (wl-read-directory-name "Save to directory: "
3116                                  wl-temporary-file-directory))
3117         number)
3118     (if (null (file-exists-p wl-save-dir))
3119         (make-directory wl-save-dir))
3120     (while (setq number (car wl-summary-buffer-target-mark-list))
3121       (wl-thread-jump-to-msg number)
3122       (wl-summary-save t wl-save-dir)
3123       (wl-summary-unmark))))
3124
3125 (defun wl-summary-target-mark-pick ()
3126   (interactive)
3127   (wl-summary-check-target-mark)
3128   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3129
3130 (defun wl-summary-update-persistent-mark (&optional number)
3131   "Synch up persistent mark of current line with msgdb's.
3132 Return non-nil if the mark is updated"
3133   (interactive)
3134   (let ((status (wl-summary-message-status number)))
3135     (prog1
3136         (when wl-summary-buffer-persistent-mark-column
3137           (save-excursion
3138             (move-to-column wl-summary-buffer-persistent-mark-column)
3139             (let ((inhibit-read-only t)
3140                   (buffer-read-only nil)
3141                   (mark (buffer-substring (- (point) 1) (point)))
3142                   (new-mark (wl-summary-persistent-mark number status)))
3143               (prog1
3144                   (unless (string= new-mark mark)
3145                     (delete-backward-char 1)
3146                     (insert new-mark)
3147                     (wl-summary-set-message-modified)
3148                     t)
3149                 (wl-summary-validate-persistent-mark (point-at-bol)
3150                                                      (point-at-eol))))))
3151       (when wl-summary-highlight
3152         (wl-highlight-summary-current-line number status))
3153       (set-buffer-modified-p nil))))
3154
3155 (defsubst wl-summary-mark-as-read-internal (inverse
3156                                             number-or-numbers
3157                                             no-folder-mark
3158                                             no-modeline-update)
3159   (save-excursion
3160     (let ((folder wl-summary-buffer-elmo-folder)
3161           unread-message number
3162           number-list)
3163       (setq number-list (cond ((numberp number-or-numbers)
3164                                (setq unread-message
3165                                      (elmo-message-flagged-p
3166                                       folder
3167                                       number-or-numbers
3168                                       'unread))
3169                                (list number-or-numbers))
3170                               ((and (not (null number-or-numbers))
3171                                     (listp number-or-numbers))
3172                                number-or-numbers)
3173                               ((setq number (wl-summary-message-number))
3174                                ;; interactive
3175                                (setq unread-message
3176                                      (elmo-message-flagged-p
3177                                       folder
3178                                       number
3179                                       'unread))
3180                                (list number))))
3181       (if (null number-list)
3182           (message "No message.")
3183         (if inverse
3184             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3185           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3186         (when (and unread-message
3187                    (not inverse))
3188           (dolist (number number-list)
3189             (wl-summary-jump-to-msg number)
3190             (run-hooks 'wl-summary-unread-message-hook)))
3191         (unless no-modeline-update
3192           ;; Update unread numbers.
3193           (wl-summary-count-unread)
3194           (wl-summary-update-modeline)
3195           (wl-folder-update-unread
3196            (wl-summary-buffer-folder-name)
3197            wl-summary-buffer-unread-count))))))
3198
3199 (defun wl-summary-mark-as-read (&optional number-or-numbers
3200                                           no-folder-mark
3201                                           no-modeline-update)
3202   (interactive)
3203   (wl-summary-mark-as-read-internal nil
3204                                     number-or-numbers
3205                                     no-folder-mark
3206                                     no-modeline-update))
3207
3208 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3209                                             no-folder-mark
3210                                             no-modeline-update)
3211   (interactive)
3212   (wl-summary-mark-as-read-internal 'inverse
3213                                     number-or-numbers
3214                                     no-folder-mark
3215                                     no-modeline-update))
3216
3217 (defsubst wl-summary-set-persistent-mark-internal (inverse
3218                                                    flag
3219                                                    &optional number-or-numbers
3220                                                    no-modeline-update
3221                                                    no-server
3222                                                    interactive)
3223   "Set persistent mark."
3224   (save-excursion
3225     (let ((folder wl-summary-buffer-elmo-folder)
3226           number number-list)
3227       (setq number-list (cond ((numberp number-or-numbers)
3228                                (list number-or-numbers))
3229                               ((and (not (null number-or-numbers))
3230                                     (listp number-or-numbers))
3231                                number-or-numbers)
3232                               ((setq number (wl-summary-message-number))
3233                                ;; interactive
3234                                (list number))))
3235       (if (null number-list)
3236           (message "No message.")
3237         ;; XXX Only the first element of the list is checked.
3238         (if (elmo-message-flag-available-p folder (car number-list) flag)
3239             (progn
3240               (if inverse
3241                   (elmo-folder-unset-flag folder number-list flag no-server)
3242                 (elmo-folder-set-flag folder number-list flag no-server))
3243               (unless no-modeline-update
3244                 ;; Update unread numbers.
3245                 ;; should elmo-flag-mark-as-read return unread numbers?
3246                 (wl-summary-count-unread)
3247                 (wl-summary-update-modeline)
3248                 (wl-folder-update-unread
3249                  (wl-summary-buffer-folder-name)
3250                  wl-summary-buffer-unread-count)))
3251           (if interactive
3252               (error "Flag `%s' is not available in this folder" flag)))))))
3253
3254 (defun wl-summary-unset-persistent-mark (&optional flag
3255                                                    number-or-numbers
3256                                                    no-modeline-update
3257                                                    no-server)
3258   "Unset persistent mark."
3259   (interactive)
3260   (when (interactive-p)
3261     (let ((completion-ignore-case t))
3262       (setq flag (intern (downcase
3263                           (completing-read
3264                            "Mark name: "
3265                            (mapcar (lambda (flag)
3266                                      (list (capitalize (symbol-name flag))))
3267                                    (wl-summary-get-available-flags))
3268                            nil
3269                            'require-match))))))
3270   (wl-summary-set-persistent-mark-internal 'inverse
3271                                            flag
3272                                            number-or-numbers
3273                                            no-modeline-update
3274                                            no-server
3275                                            (interactive-p)))
3276
3277 (defun wl-summary-set-persistent-mark (&optional flag
3278                                                  number-or-numbers
3279                                                  no-modeline-update
3280                                                  no-server)
3281   "Set 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 nil
3294                                            flag
3295                                            number-or-numbers
3296                                            no-modeline-update
3297                                            no-server
3298                                            (interactive-p)))
3299
3300 (defun wl-summary-toggle-persistent-mark (&optional force)
3301   "Toggle persistent mark."
3302   (interactive "P")
3303   (let ((completion-ignore-case t)
3304         flag)
3305     (setq flag (intern (downcase
3306                         (completing-read
3307                          "Mark name: "
3308                          (mapcar (lambda (flag)
3309                                    (list (capitalize (symbol-name flag))))
3310                                  (wl-summary-get-available-flags))
3311                          nil
3312                          'require-match))))
3313     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3314                                      (wl-summary-message-number)
3315                                      flag)
3316              (not force))
3317         (wl-summary-unset-persistent-mark flag)
3318       (wl-summary-set-persistent-mark flag))))
3319
3320 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3321                                               no-modeline-update)
3322   (interactive)
3323   (wl-summary-set-persistent-mark-internal
3324    (and (interactive-p)
3325         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3326                                 (wl-summary-message-number)
3327                                 'answered))
3328    'answered
3329    number-or-numbers
3330    no-modeline-update
3331    nil
3332    (interactive-p)))
3333
3334 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3335                                                 no-modeline-update)
3336   (wl-summary-set-persistent-mark-internal
3337    'inverse
3338    'answered
3339    number-or-numbers
3340    no-modeline-update))
3341
3342 (defun wl-summary-decide-flag (folder number)
3343   (let ((flags (elmo-get-global-flags (elmo-message-flags
3344                                        folder number)))
3345         (completion-ignore-case t)
3346         new-flags)
3347     (setq new-flags
3348           (delq nil
3349                 (mapcar
3350                  (lambda (flag)
3351                    (and (> (length flag) 0)
3352                         (intern (downcase flag))))
3353                  (wl-completing-read-multiple
3354                   "Flags: "
3355                   (mapcar (lambda (flag)
3356                             (list (capitalize (symbol-name flag))))
3357                           elmo-global-flags)
3358                   nil nil (mapconcat (lambda (flag)
3359                                        (capitalize (symbol-name flag)))
3360                                      flags
3361                                      ",")))))
3362     (dolist (flag new-flags)
3363       (unless (memq flag elmo-global-flags)
3364         (when (elmo-local-flag-p flag)
3365           (error "Cannot treat `%s'." flag))
3366         (unless (elmo-flag-valid-p flag)
3367           (error "Invalid char in `%s'" flag))
3368         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3369                               (capitalize (symbol-name flag))))
3370             (setq elmo-global-flags (append
3371                                      elmo-global-flags
3372                                      (list flag)))
3373           (error "Stopped"))))
3374     new-flags))
3375
3376 (defsubst wl-summary-set-flags-internal (&optional
3377                                         number-or-numbers
3378                                         flags
3379                                         local
3380                                         remove-all)
3381   (save-excursion
3382     (let ((folder wl-summary-buffer-elmo-folder)
3383           number number-list)
3384       (setq number-list (cond ((numberp number-or-numbers)
3385                                (list number-or-numbers))
3386                               ((and (not (null number-or-numbers))
3387                                     (listp number-or-numbers))
3388                                number-or-numbers)
3389                               ((setq number (wl-summary-message-number))
3390                                ;; interactive
3391                                (list number))))
3392       (if remove-all
3393           (setq flags nil)
3394         (unless flags
3395           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3396       (if (null number-list)
3397           (message "No message.")
3398         (dolist (number number-list)
3399           (elmo-message-set-global-flags folder number flags local)))
3400       flags)))
3401
3402 (defun wl-summary-set-flags (&optional remove)
3403   (interactive "P")
3404   (wl-summary-set-flags-internal nil nil nil remove))
3405
3406 (defun wl-summary-mark-as-important (&optional prompt)
3407   (interactive "P")
3408   (if prompt
3409       (wl-summary-set-flags-internal)
3410     (wl-summary-set-persistent-mark-internal
3411      (and (interactive-p)
3412           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3413                                   (wl-summary-message-number)
3414                                   'important))
3415      'important
3416      nil nil nil (interactive-p))))
3417
3418 (defun wl-summary-recover-message (number)
3419   "Recover current message if it is killed."
3420   (interactive (list (wl-summary-message-number)))
3421   (if (null number)
3422       (message "No message.")
3423     (elmo-folder-recover-messages wl-summary-buffer-elmo-folder
3424                                   (list number))))
3425
3426 ;;; Summary line.
3427 (defvar wl-summary-line-formatter nil)
3428
3429 (defun wl-summary-view-old-p ()
3430   "Return non-nil when summary view cache has old format."
3431   (save-excursion
3432     (goto-char (point-min))
3433     (and wl-summary-buffer-number-list
3434          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3435
3436 (defun wl-summary-line-format-changed-p ()
3437   "Return non-nil when summary line format is changed."
3438   (not (string=
3439         wl-summary-buffer-line-format
3440         (or (elmo-object-load (expand-file-name
3441                                wl-summary-line-format-file
3442                                (elmo-folder-msgdb-path
3443                                 wl-summary-buffer-elmo-folder))
3444                               wl-summary-buffer-mime-charset)
3445             wl-summary-buffer-line-format))))
3446
3447 (defun wl-summary-line-format-save ()
3448   "Save current summary line format."
3449   (elmo-object-save
3450    (expand-file-name wl-summary-line-format-file
3451                      (elmo-folder-msgdb-path
3452                       wl-summary-buffer-elmo-folder))
3453    wl-summary-buffer-line-format
3454    wl-summary-buffer-mime-charset))
3455
3456 (defun wl-summary-line-number ()
3457   (wl-set-string-width
3458    (- wl-summary-buffer-number-column)
3459    (number-to-string
3460     (elmo-message-entity-number wl-message-entity))))
3461
3462 (defun wl-summary-line-year ()
3463   (aref wl-datevec 0))
3464 (defun wl-summary-line-month ()
3465   (format "%02d" (aref wl-datevec 1)))
3466 (defun wl-summary-line-day ()
3467   (format "%02d" (aref wl-datevec 2)))
3468 (defun wl-summary-line-day-of-week ()
3469   (condition-case nil
3470       (elmo-date-get-week (aref wl-datevec 0)
3471                           (aref wl-datevec 1)
3472                           (aref wl-datevec 2))
3473     (error "??")))
3474 (defun wl-summary-line-hour ()
3475   (format "%02d" (aref wl-datevec 3)))
3476 (defun wl-summary-line-minute ()
3477   (format "%02d" (aref wl-datevec 4)))
3478
3479 (defun wl-summary-line-size ()
3480   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3481     (if size
3482         (cond
3483          ((<= 1 (/ size 1048576))
3484           (format "%.0fM" (/ size 1048576.0)))
3485          ((<= 1 (/ size 1024))
3486           (format "%.0fK" (/ size 1024.0)))
3487          (t (format "%dB" size)))
3488       "")))
3489
3490 (defun wl-summary-line-subject ()
3491   (let (no-parent subject parent-raw-subject parent-subject)
3492     (if (string= wl-thr-indent-string "")
3493         (setq no-parent t)) ; no parent
3494     (setq subject
3495           (elmo-delete-char ?\n
3496                             (or (elmo-message-entity-field
3497                                  wl-message-entity
3498                                  'subject)
3499                                 wl-summary-no-subject-message)))
3500     (setq parent-raw-subject
3501           (elmo-message-entity-field wl-parent-message-entity 'subject))
3502     (setq parent-subject
3503           (if parent-raw-subject
3504               (elmo-delete-char ?\n parent-raw-subject)))
3505     (if (or no-parent
3506             (null parent-subject)
3507             (not (wl-summary-subject-equal subject parent-subject)))
3508         (funcall wl-summary-subject-function subject)
3509       "")))
3510
3511 (defun wl-summary-line-from ()
3512   (elmo-delete-char ?\n
3513                     (funcall wl-summary-from-function
3514                              (elmo-message-entity-field
3515                               wl-message-entity
3516                               'from))))
3517
3518 (defun wl-summary-line-list-info ()
3519   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3520     (if (car list-info)
3521         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3522                 (car list-info) (cdr list-info))
3523       "")))
3524
3525 (defun wl-summary-line-list-count ()
3526   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3527     (if ml-count
3528         (format "%.0f" ml-count)
3529       "")))
3530
3531 (defun wl-summary-line-attached ()
3532   (let ((content-type (elmo-message-entity-field
3533                        wl-message-entity 'content-type))
3534         (case-fold-search t))
3535     (if (and content-type
3536              (string-match "multipart/mixed" content-type))
3537         "@"
3538       "")))
3539
3540 ;;; For future use.
3541 ;;(defun wl-summary-line-cached ()
3542 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3543 ;;                           (elmo-message-entity-number wl-message-entity))
3544 ;;      " "
3545 ;;    "u"))
3546
3547 (defun wl-summary-create-line (wl-message-entity
3548                                wl-parent-message-entity
3549                                wl-temp-mark
3550                                wl-status
3551                                &optional
3552                                wl-thr-children-number
3553                                wl-thr-indent-string
3554                                wl-thr-linked)
3555   "Create a summary line."
3556   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3557         (wl-persistent-mark (wl-summary-persistent-mark-string
3558                              wl-summary-buffer-elmo-folder
3559                              wl-status))
3560         (elmo-mime-charset wl-summary-buffer-mime-charset)
3561         (elmo-lang wl-summary-buffer-weekday-name-lang)
3562         (wl-datevec (or (elmo-time-to-datevec
3563                          (elmo-message-entity-field wl-message-entity 'date)
3564                          wl-summary-fix-timezone)
3565                         (make-vector 7 0)))
3566         (entity wl-message-entity) ; backward compatibility.
3567         line mark)
3568     (if (and wl-thr-indent-string
3569              wl-summary-indent-length-limit
3570              (< wl-summary-indent-length-limit
3571                 (string-width wl-thr-indent-string)))
3572         (setq wl-thr-indent-string (wl-set-string-width
3573                                     wl-summary-indent-length-limit
3574                                     wl-thr-indent-string)))
3575     (setq line (funcall wl-summary-buffer-line-formatter))
3576     (if wl-summary-width (setq line
3577                                (wl-set-string-width
3578                                 (- wl-summary-width 1) line nil
3579                                 'ignore-invalid)))
3580     (setq line (concat line
3581                        "\r"
3582                        (number-to-string
3583                         (elmo-message-entity-number
3584                          wl-message-entity))))
3585     (wl-summary-validate-persistent-mark-string line)
3586     (if wl-summary-highlight
3587         (wl-highlight-summary-line-string
3588          (elmo-message-entity-number wl-message-entity)
3589          line
3590          wl-status
3591          wl-temp-mark
3592          wl-thr-indent-string))
3593     line))
3594
3595 (defsubst wl-summary-proc-wday (wday-str year month mday)
3596   (save-match-data
3597     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3598         (wl-match-string 1 wday-str)
3599       (elmo-date-get-week year month mday))))
3600
3601 (defvar wl-summary-move-spec-alist
3602   '((new . ((t . nil)
3603             (p . new)
3604             (p . unread)
3605             (p . digest)))
3606     (unread . ((t . nil)
3607                (p . unread)
3608                (p . digest)))))
3609
3610 (defsubst wl-summary-next-message (num direction hereto)
3611   (if wl-summary-buffer-next-message-function
3612       (funcall wl-summary-buffer-next-message-function num direction hereto)
3613     (let ((cur-spec (cdr (assq wl-summary-move-order
3614                                wl-summary-move-spec-alist)))
3615           (nums (memq num (if (eq direction 'up)
3616                               (reverse wl-summary-buffer-number-list)
3617                             wl-summary-buffer-number-list)))
3618           flagged-list nums2)
3619       (unless hereto (setq nums (cdr nums)))
3620       (setq nums2 nums)
3621       (if cur-spec
3622           (catch 'done
3623             (while cur-spec
3624               (setq nums nums2)
3625               (cond ((eq (car (car cur-spec)) 'p)
3626                      (if (setq flagged-list
3627                                (elmo-folder-list-flagged
3628                                 wl-summary-buffer-elmo-folder
3629                                 (cdr (car cur-spec)) t))
3630                          (while nums
3631                            (if (and (memq (car nums) flagged-list)
3632                                     (elmo-message-accessible-p
3633                                      wl-summary-buffer-elmo-folder
3634                                      (car nums)))
3635                                (throw 'done (car nums)))
3636                            (setq nums (cdr nums)))))
3637                     ((eq (car (car cur-spec)) 't)
3638                      (if wl-summary-buffer-target-mark-list
3639                          (while nums
3640                            (if (memq (car nums)
3641                                      wl-summary-buffer-target-mark-list)
3642                                (throw 'done (car nums)))
3643                            (setq nums (cdr nums))))))
3644               (setq cur-spec (cdr cur-spec))))
3645         (car nums)))))
3646
3647 (defsubst wl-summary-cursor-move (direction hereto)
3648   (when (and (eq direction 'up)
3649              (eobp))
3650     (forward-line -1)
3651     (setq hereto t))
3652   (let (num)
3653     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3654                                              direction hereto))
3655       (if (numberp num)
3656           (wl-thread-jump-to-msg num))
3657       t)))
3658 ;;
3659 ;; Goto unread or global flag message
3660 ;; returns t if next message exists in this folder.
3661 (defun wl-summary-cursor-down (&optional hereto)
3662   (interactive "P")
3663   (wl-summary-cursor-move 'down hereto))
3664
3665 (defun wl-summary-cursor-up (&optional hereto)
3666   (interactive "P")
3667   (wl-summary-cursor-move 'up hereto))
3668
3669 (defun wl-summary-save-view-cache ()
3670   (save-excursion
3671     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3672            (cache (expand-file-name wl-summary-cache-file dir))
3673            (view (expand-file-name wl-summary-view-file dir))
3674            (save-view wl-summary-buffer-view)
3675            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3676            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3677            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3678            (temp-column wl-summary-buffer-temp-mark-column)
3679            (charset wl-summary-buffer-mime-charset))
3680       (when dir
3681         (if (file-directory-p dir)
3682             (); ok.
3683           (if (file-exists-p dir)
3684               (error "File %s already exists" dir)
3685             (elmo-make-directory dir)))
3686         (if (eq save-view 'thread)
3687             (wl-thread-save-entity dir))
3688         (when wl-summary-check-line-format
3689           (wl-summary-line-format-save))
3690         (unwind-protect
3691             (progn
3692               (when (file-writable-p cache)
3693                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3694                 (with-current-buffer tmp-buffer
3695                   (widen)
3696                   (make-local-variable 'wl-summary-highlight)
3697                   (setq wl-summary-highlight nil
3698                         wl-summary-buffer-target-mark-list mark-list
3699                         wl-summary-buffer-temp-mark-list temp-list
3700                         wl-summary-buffer-temp-mark-column temp-column)
3701                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3702                   (encode-coding-region
3703                    (point-min) (point-max)
3704                    (or (and wl-on-mule
3705                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3706                             (mime-charset-to-coding-system charset 'LF))
3707                        ;; Mule 2 doesn't have `*ctext*unix'.
3708                        (mime-charset-to-coding-system charset)))
3709                   (write-region-as-binary (point-min)(point-max)
3710                                           cache nil 'no-msg)))
3711               (when (file-writable-p view) ; 'thread or 'sequence
3712                 (with-temp-buffer
3713                   (prin1 save-view (current-buffer))
3714                   (princ "\n" (current-buffer))
3715                   (write-region (point-min) (point-max) view nil 'no-msg))))
3716           ;; kill tmp buffer.
3717           (kill-buffer tmp-buffer))))))
3718
3719 (defsubst wl-summary-get-sync-range (folder)
3720   (intern (or (and
3721                (elmo-folder-plugged-p folder)
3722                (wl-get-assoc-list-value
3723                 wl-folder-sync-range-alist
3724                 (elmo-folder-name-internal folder)
3725                 'function))
3726               wl-default-sync-range)))
3727
3728 ;; redefined for wl-summary-sync-update
3729 (defun wl-summary-input-range (folder)
3730   "returns update or all or rescan."
3731   ;; for the case when parts are expanded in the bottom of the folder
3732   (let ((input-range-list '("no-sync"
3733                             "first:"
3734                             "last:"
3735                             "cache-status"
3736                             "mark"
3737                             "rescan"
3738                             "rescan-noscore"
3739                             "rescan-thread"
3740                             "update"
3741                             "update-entirely"
3742                             "all"
3743                             "all-entirely"))
3744         (default (or (wl-get-assoc-list-value
3745                       wl-folder-sync-range-alist
3746                       folder
3747                       'function)
3748                      wl-default-sync-range))
3749         range)
3750     (setq range
3751           (completing-read (format "Range (%s): " default)
3752                            (mapcar
3753                             (lambda (x) (cons x x))
3754                             input-range-list)))
3755     (if (string= range "")
3756         default
3757       range)))
3758
3759 (defun wl-summary-toggle-disp-folder (&optional arg)
3760   (interactive)
3761   (let ((cur-buf (current-buffer))
3762         (summary-win (get-buffer-window (current-buffer)))
3763         fld-buf fld-win)
3764     (cond
3765      ((eq arg 'on)
3766       (setq wl-summary-buffer-disp-folder t)
3767       ;; hide your folder window
3768       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3769           (if (setq fld-win (get-buffer-window fld-buf))
3770               (delete-window fld-win))))
3771      ((eq arg 'off)
3772       (setq wl-summary-buffer-disp-folder nil)
3773       ;; hide your wl-message window!
3774       (when (buffer-live-p wl-message-buffer)
3775         (wl-message-select-buffer wl-message-buffer)
3776         (delete-window))
3777       (select-window (get-buffer-window cur-buf))
3778       ;; display wl-folder window!!
3779       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3780           (if (setq fld-win (get-buffer-window fld-buf))
3781               ;; folder win is already displayed.
3782               (select-window fld-win)
3783             ;; folder win is not displayed.
3784             (switch-to-buffer fld-buf))
3785         ;; no folder buf
3786         (wl-folder))
3787       ;; temporarily delete summary-win.
3788       (if summary-win
3789           (delete-window summary-win))
3790       (split-window-horizontally wl-folder-window-width)
3791       (other-window 1)
3792       (switch-to-buffer cur-buf))
3793      (t
3794       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3795           (if (setq fld-win (get-buffer-window fld-buf))
3796               (setq wl-summary-buffer-disp-folder nil)
3797             (setq wl-summary-buffer-disp-folder t)))
3798       (if (not wl-summary-buffer-disp-folder)
3799           ;; hide message window
3800           (let ((mes-win (and wl-message-buffer
3801                               (get-buffer-window wl-message-buffer)))
3802                 (wl-stay-folder-window t))
3803             (if mes-win (delete-window mes-win))
3804             ;; hide your folder window
3805             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3806                 (if (setq fld-win (get-buffer-window fld-buf))
3807                     (progn
3808                       (delete-window (get-buffer-window cur-buf))
3809                       (select-window fld-win)
3810                       (switch-to-buffer cur-buf))))
3811             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3812             ;; resume message window.
3813             (when mes-win
3814               (wl-message-select-buffer wl-message-buffer)
3815               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3816               (select-window (get-buffer-window cur-buf))))
3817         ;; hide message window
3818         (let ((wl-stay-folder-window t)
3819               (mes-win (and wl-message-buffer
3820                             (get-buffer-window wl-message-buffer))))
3821           (if mes-win (delete-window mes-win))
3822           (select-window (get-buffer-window cur-buf))
3823           ;; display wl-folder window!!
3824           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3825               (if (setq fld-win (get-buffer-window fld-buf))
3826                   ;; folder win is already displayed.
3827                   (select-window fld-win)
3828                 ;; folder win is not displayed...occupy all.
3829                 (switch-to-buffer fld-buf))
3830             ;; no folder buf
3831             (wl-folder))
3832           (split-window-horizontally wl-folder-window-width)
3833           (other-window 1)
3834           (switch-to-buffer cur-buf)
3835           ;; resume message window.
3836           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3837           (when mes-win
3838             (wl-message-select-buffer wl-message-buffer)
3839             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3840             (select-window (get-buffer-window cur-buf))))))))
3841   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3842
3843 (defun wl-summary-toggle-disp-msg (&optional arg)
3844   (interactive)
3845   (let ((cur-buf (current-buffer))
3846         fld-buf fld-win
3847         summary-win)
3848     (cond
3849      ((eq arg 'on)
3850       (setq wl-summary-buffer-disp-msg t)
3851       (save-excursion
3852         ;; hide your folder window
3853         (if (and (not wl-stay-folder-window)
3854                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3855             (if (setq fld-win (get-buffer-window fld-buf))
3856                 (unless (one-window-p fld-win)
3857                   (delete-window fld-win))))))
3858      ((eq arg 'off)
3859       (wl-delete-all-overlays)
3860       (setq wl-summary-buffer-disp-msg nil)
3861       (save-excursion
3862         (when (buffer-live-p wl-message-buffer)
3863           (wl-message-select-buffer wl-message-buffer)
3864           (delete-window)
3865           (and (get-buffer-window cur-buf)
3866                (select-window (get-buffer-window cur-buf))))
3867         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3868      (t
3869       (if (and wl-message-buffer
3870                (get-buffer-window wl-message-buffer)) ; already displayed
3871           (setq wl-summary-buffer-disp-msg nil)
3872         (setq wl-summary-buffer-disp-msg t))
3873       (if wl-summary-buffer-disp-msg
3874           (progn
3875             (wl-summary-redisplay)
3876 ;;; hide your folder window
3877 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3878 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3879 ;;;             (delete-window fld-win)))
3880             (run-hooks 'wl-summary-toggle-disp-on-hook))
3881         (wl-delete-all-overlays)
3882         (save-excursion
3883           (wl-message-select-buffer wl-message-buffer)
3884           (delete-window)
3885           (select-window (get-buffer-window cur-buf))
3886           (setq wl-message-buffer nil)
3887           (run-hooks 'wl-summary-toggle-disp-off-hook))
3888 ;;;     (switch-to-buffer cur-buf)
3889         )))
3890     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3891
3892 (defun wl-summary-enter-handler (&optional arg)
3893   "A command for `enter' key in the summary.
3894 Basically, it shows next line of the message.
3895 If optional argument ARG is specified, behave as followed.
3896 If ARG is number, jump to the message.
3897 Otherwise it shows previous line of the message."
3898   (interactive "P")
3899   (cond ((numberp arg)
3900          (unless (wl-thread-jump-to-msg arg)
3901            (message "Message (#%d) was not found." arg)))
3902         (arg
3903          (wl-summary-prev-line-content))
3904         (t
3905          (wl-summary-next-line-content))))
3906
3907 (defun wl-summary-next-line-content ()
3908   "Show next line of the message."
3909   (interactive)
3910   (let ((cur-buf (current-buffer)))
3911     (wl-summary-toggle-disp-msg 'on)
3912     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3913       (set-buffer cur-buf)
3914       (wl-message-next-page 1))))
3915
3916 (defun wl-summary-prev-line-content ()
3917   (interactive)
3918   (let ((cur-buf (current-buffer)))
3919     (wl-summary-toggle-disp-msg 'on)
3920     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3921       (set-buffer cur-buf)
3922       (wl-message-prev-page 1))))
3923
3924 (defun wl-summary-next-page ()
3925   (interactive)
3926   (let ((cur-buf (current-buffer)))
3927     (wl-summary-toggle-disp-msg 'on)
3928     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3929       (set-buffer cur-buf)
3930       (wl-message-next-page))))
3931
3932 (defun wl-summary-prev-page ()
3933   (interactive)
3934   (let ((cur-buf (current-buffer)))
3935     (wl-summary-toggle-disp-msg 'on)
3936     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3937       (set-buffer cur-buf)
3938       (wl-message-prev-page))))
3939
3940 (defsubst wl-summary-no-mime-p (folder)
3941   (wl-string-match-member (elmo-folder-name-internal folder)
3942                           wl-summary-no-mime-folder-list))
3943
3944 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3945   "Set message buffer.
3946 If message is not displayed yet, display it.
3947 Return t if message exists."
3948   (let ((folder wl-summary-buffer-elmo-folder)
3949         (number (wl-summary-message-number))
3950         cur-folder cur-number message-last-pos)
3951     (when (buffer-live-p wl-message-buffer)
3952       (save-window-excursion
3953         (setq wl-current-summary-buffer (current-buffer))
3954         (wl-message-select-buffer wl-message-buffer)
3955         (setq cur-folder wl-message-buffer-cur-folder)
3956         (setq cur-number wl-message-buffer-cur-number)))
3957     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3958              (eq number (or cur-number 0)))
3959         (progn
3960           (set-buffer wl-message-buffer)
3961           t)
3962       (wl-summary-redisplay-internal folder number)
3963       (when (buffer-live-p wl-message-buffer)
3964         (set-buffer wl-message-buffer))
3965       nil)))
3966
3967 (defun wl-summary-target-mark-forward (&optional arg)
3968   (interactive "P")
3969   (wl-summary-check-target-mark)
3970   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3971         (summary-buf (current-buffer))
3972         (wl-draft-forward t)
3973         start-point
3974         draft-buf)
3975     (wl-summary-jump-to-msg (car mlist))
3976     (wl-summary-forward t)
3977     (setq start-point (point))
3978     (setq draft-buf (current-buffer))
3979     (setq mlist (cdr mlist))
3980     (save-window-excursion
3981       (when mlist
3982         (while mlist
3983           (set-buffer summary-buf)
3984           (wl-summary-jump-to-msg (car mlist))
3985           (wl-summary-redisplay)
3986           (set-buffer draft-buf)
3987           (goto-char (point-max))
3988           (wl-draft-insert-message)
3989           (setq mlist (cdr mlist)))
3990         (wl-draft-body-goto-top)
3991         (wl-draft-enclose-digest-region (point) (point-max)))
3992       (goto-char start-point)
3993       (save-excursion
3994         (set-buffer summary-buf)
3995         (wl-summary-delete-all-target-marks)))
3996     (run-hooks 'wl-mail-setup-hook)))
3997
3998 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3999   (interactive "P")
4000   (wl-summary-check-target-mark)
4001   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
4002         (summary-buf (current-buffer))
4003         change-major-mode-hook
4004         start-point
4005         draft-buf)
4006     (wl-summary-jump-to-msg (car mlist))
4007     (when (wl-summary-reply arg t)
4008       (goto-char (point-max))
4009       (setq start-point (point-marker))
4010       (setq draft-buf (current-buffer))
4011       (save-window-excursion
4012         (while mlist
4013           (set-buffer summary-buf)
4014           (delete-other-windows)
4015           (wl-summary-jump-to-msg (car mlist))
4016           (wl-summary-redisplay)
4017           (set-buffer draft-buf)
4018           (goto-char (point-max))
4019           (wl-draft-yank-original)
4020           (setq mlist (cdr mlist)))
4021         (goto-char start-point)
4022         (save-excursion
4023           (set-buffer summary-buf)
4024           (wl-summary-delete-all-target-marks)))
4025       (wl-draft-reply-position wl-draft-reply-default-position)
4026       (run-hooks 'wl-mail-setup-hook))))
4027
4028 (defun wl-summary-reply-with-citation (&optional arg)
4029   (interactive "P")
4030   (when (wl-summary-reply arg t)
4031     (goto-char (point-max))
4032     (wl-draft-yank-original)
4033     (wl-draft-reply-position wl-draft-reply-default-position)
4034     (run-hooks 'wl-mail-setup-hook)))
4035
4036 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4037   (interactive)
4038   (let* ((original (wl-summary-message-number))
4039          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4040          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
4041          msg otherfld schar
4042          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
4043     (if (setq msg (elmo-message-entity-number entity))
4044         (progn
4045           (wl-thread-jump-to-msg msg)
4046           t)
4047       ;; for XEmacs!
4048       (if (and elmo-use-database
4049                (setq errmsg
4050                      (format
4051                       "No message with id \"%s\" in the database." msgid))
4052                (setq otherfld (elmo-database-msgid-get msgid)))
4053           (if (cdr (wl-summary-jump-to-msg-internal
4054                     (car otherfld) (nth 1 otherfld) 'no-sync))
4055               t ; succeed.
4056             ;; Back to original.
4057             (wl-summary-jump-to-msg-internal
4058              (wl-summary-buffer-folder-name) original 'no-sync))
4059         (cond ((eq wl-summary-search-via-nntp 'confirm)
4060                (require 'elmo-nntp)
4061                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
4062                         elmo-nntp-default-server)
4063                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
4064                (cond ((eq schar ?y)
4065                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4066                      ((eq schar ?s)
4067                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4068                        msgid
4069                        (read-from-minibuffer "NNTP Server: ")))
4070                      (t
4071                       (message "%s" errmsg)
4072                       nil)))
4073               ((or (eq wl-summary-search-via-nntp 'force)
4074                    (and
4075                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4076                         'nntp)
4077                     wl-summary-search-via-nntp))
4078                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4079               (t
4080                (message "%s" errmsg)
4081                nil))))))
4082
4083 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4084   (interactive)
4085   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4086          newsgroups folder ret
4087          user server port type spec)
4088     (if server-spec
4089         (if (string-match "^-" server-spec)
4090             (setq spec (wl-folder-get-elmo-folder server-spec)
4091                   user (elmo-net-folder-user-internal spec)
4092                   server (elmo-net-folder-server-internal spec)
4093                   port (elmo-net-folder-port-internal spec)
4094                   type (elmo-net-folder-stream-type-internal spec))
4095           (setq server server-spec)))
4096     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4097                      msgid
4098                      (or server elmo-nntp-default-server)
4099                      (or user elmo-nntp-default-user)
4100                      (or port elmo-nntp-default-port)
4101                      (or type elmo-nntp-default-stream-type)))
4102       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4103       (setq folder (concat "-" (car newsgroups)
4104                            (elmo-nntp-folder-postfix user server port type)))
4105       (catch 'found
4106         (while newsgroups
4107           (if (wl-folder-entity-exists-p (car newsgroups)
4108                                          wl-folder-newsgroups-hashtb)
4109               (throw 'found
4110                      (setq folder (concat "-" (car newsgroups)
4111                                           (elmo-nntp-folder-postfix
4112                                            user server port type)))))
4113           (setq newsgroups (cdr newsgroups)))))
4114     (if ret
4115         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4116       (message "No message id \"%s\" in nntp server \"%s\"."
4117                msgid (or server elmo-nntp-default-server))
4118       nil)))
4119
4120 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4121   (let (wl-auto-select-first entity)
4122     (if (or (string= folder (wl-summary-buffer-folder-name))
4123             (y-or-n-p
4124              (format
4125               "Message was found in the folder \"%s\". Jump to it? "
4126               folder)))
4127         (progn
4128           (unwind-protect
4129               (wl-summary-goto-folder-subr
4130                folder scan-type nil nil t)
4131             (if msgid
4132                 (setq msg
4133                       (elmo-message-entity-number
4134                        (elmo-message-entity
4135                         wl-summary-buffer-elmo-folder
4136                         msgid))))
4137             (setq entity (wl-folder-search-entity-by-name folder
4138                                                           wl-folder-entity
4139                                                           'folder))
4140             (if entity
4141                 (wl-folder-set-current-entity-id
4142                  (wl-folder-get-entity-id entity))))
4143           (if (null msg)
4144               (message "Message was not found currently in this folder.")
4145             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4146           (cons folder msg)))))
4147
4148 (defun wl-summary-jump-to-parent-message (arg)
4149   (interactive "P")
4150   (let ((cur-buf (current-buffer))
4151         (disp-msg wl-summary-buffer-disp-msg)
4152         (number (wl-summary-message-number))
4153         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4154         (i -1) ;; xxx
4155         msg-id msg-num ref-list ref irt)
4156     (if (null number)
4157         (message "No message.")
4158       (when (eq wl-summary-buffer-view 'thread)
4159         (cond ((and arg (not (numberp arg)))
4160                (setq msg-num
4161                      (wl-thread-entity-get-number
4162                       (wl-thread-entity-get-top-entity
4163                        (wl-thread-get-entity number)))))
4164               ((and arg (numberp arg))
4165                (setq i 0)
4166                (setq msg-num number)
4167                (while (< i arg)
4168                  (setq msg-num
4169                        (wl-thread-entity-get-number
4170                         (wl-thread-entity-get-parent-entity
4171                          (wl-thread-get-entity msg-num))))
4172                  (setq i (1+ i))))
4173               (t (setq msg-num
4174                        (wl-thread-entity-get-number
4175                         (wl-thread-entity-get-parent-entity
4176                          (wl-thread-get-entity number)))))))
4177       (when (null msg-num)
4178         (wl-summary-set-message-buffer-or-redisplay)
4179         (set-buffer (wl-message-get-original-buffer))
4180         (message "Searching parent message...")
4181         (setq ref (std11-field-body "References")
4182               irt (std11-field-body "In-Reply-To"))
4183         (cond
4184          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4185                (string-match regexp ref))
4186           ;; The first message of the thread.
4187           (setq msg-id (wl-match-string 1 ref)))
4188          ;; "In-Reply-To:" has only one msg-id.
4189          ((and (null arg) irt (not (string= irt ""))
4190                (string-match regexp irt))
4191           (setq msg-id (wl-match-string 1 irt)))
4192          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4193                (string-match regexp ref))
4194           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4195           (while (string-match regexp ref)
4196             (setq ref-list
4197                   (append (list
4198                            (wl-match-string 1 ref))
4199                           ref-list))
4200             (setq ref (substring ref (match-end 0)))
4201             (setq i (1+ i)))
4202           (setq msg-id
4203                 (if (null arg) (nth 0 ref-list) ;; previous
4204                   (if (<= arg i) (nth (1- arg) ref-list)
4205                     (nth i ref-list))))))
4206         (set-buffer cur-buf)
4207         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4208       (cond ((and (null msg-id) (null msg-num))
4209              (message "No parent message!")
4210              nil)
4211             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4212              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4213              (message "Searching parent message...done")
4214              t)
4215             ((and msg-num (wl-summary-jump-to-msg msg-num))
4216              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4217              (message "Searching parent message...done")
4218              t)
4219             (t ; failed.
4220              (message "Parent message was not found.")
4221              nil)))))
4222
4223 (defun wl-summary-reply (&optional arg without-setup-hook)
4224   "Reply to current message. See also `wl-draft-reply'."
4225   (interactive "P")
4226   (let ((folder wl-summary-buffer-elmo-folder)
4227         (number (wl-summary-message-number))
4228         (summary-buf (current-buffer))
4229         (winconf (current-window-configuration))
4230         mes-buf)
4231     (when number
4232       (save-excursion
4233         (wl-summary-set-message-buffer-or-redisplay))
4234       (wl-message-select-buffer wl-message-buffer)
4235       (condition-case err
4236           (when (setq mes-buf (wl-message-get-original-buffer))
4237             (wl-draft-reply mes-buf arg summary-buf number)
4238             (wl-draft-reply-position wl-draft-reply-default-position)
4239             (unless without-setup-hook
4240               (run-hooks 'wl-mail-setup-hook)))
4241         (error (set-window-configuration winconf)
4242                (signal (car err)(cdr err))))
4243       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4244       t)))
4245
4246 (defun wl-summary-write (folder)
4247   "Write a new draft from Summary."
4248   (interactive (list (wl-summary-buffer-folder-name)))
4249   (wl-draft (list (cons 'To "")) nil nil nil nil folder)
4250   (run-hooks 'wl-mail-setup-hook)
4251   (mail-position-on-field "To"))
4252
4253 (defvar wl-summary-write-current-folder-functions
4254   '(wl-folder-get-newsgroups
4255     wl-folder-guess-mailing-list-by-refile-rule
4256     wl-folder-guess-mailing-list-by-folder-name)
4257   "Newsgroups or Mailing List address guess functions list.
4258 Call from `wl-summary-write-current-folder'.
4259 When guess function return nil, challenge next guess-function.")
4260
4261 (defun wl-summary-write-current-folder (folder)
4262   "Write message to current FOLDER's newsgroup or mailing-list.
4263 Use function list is `wl-summary-write-current-folder-functions'."
4264   (interactive (list (wl-summary-buffer-folder-name)))
4265   (let ((func-list wl-summary-write-current-folder-functions)
4266         guess-list guess-func)
4267     (while func-list
4268       (setq guess-list (funcall (car func-list) folder))
4269       (if (null guess-list)
4270           (setq func-list (cdr func-list))
4271         (setq guess-func (car func-list))
4272         (setq func-list nil)))
4273     (if (null guess-func)
4274         (wl-summary-write folder)
4275       (unless (or (stringp (nth 0 guess-list))
4276                   (stringp (nth 1 guess-list))
4277                   (stringp (nth 2 guess-list)))
4278         (error "Invalid value return guess function `%s'"
4279                (symbol-name guess-func)))
4280       (wl-draft (list (cons 'To (nth 0 guess-list))
4281                       (cons 'Cc (nth 1 guess-list))
4282                       (cons 'Newsgroups (nth 2 guess-list)))
4283                 nil nil nil nil folder)
4284       (run-hooks 'wl-mail-setup-hook)
4285       (mail-position-on-field "Subject"))))
4286
4287 (defun wl-summary-forward (&optional without-setup-hook)
4288   ""
4289   (interactive)
4290   (let ((folder wl-summary-buffer-elmo-folder)
4291         (number (wl-summary-message-number))
4292         (summary-buf (current-buffer))
4293         (wl-draft-forward t)
4294         entity subject num)
4295     (if (null number)
4296         (message "No message.")
4297       (if (and (elmo-message-use-cache-p folder number)
4298                (eq (elmo-file-cache-status
4299                     (elmo-file-cache-get
4300                      (elmo-message-field folder number 'message-id)))
4301                    'section))
4302           ;; Reload.
4303           (wl-summary-redisplay-internal nil nil 'force-reload)
4304         (wl-summary-redisplay-internal folder number))
4305       (wl-message-select-buffer wl-message-buffer)
4306       (setq subject (with-current-buffer
4307                         wl-message-buffer-original-buffer
4308                       (std11-field-body "Subject")))
4309       (wl-draft-forward subject summary-buf number)
4310       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4311       (unless without-setup-hook
4312         (run-hooks 'wl-mail-setup-hook)))))
4313
4314 (defun wl-summary-click (e)
4315   (interactive "e")
4316   (mouse-set-point e)
4317   (wl-summary-read))
4318
4319 (defun wl-summary-read ()
4320   "Proceed reading message in the summary buffer."
4321   (interactive)
4322   (let ((cur-buf (current-buffer)))
4323     (wl-summary-toggle-disp-msg 'on)
4324     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4325       (set-buffer cur-buf)
4326       (if (wl-message-next-page)
4327           (wl-summary-down t)))))
4328
4329 (defsubst wl-summary-cursor-move-surface (downward interactive)
4330   (if wl-summary-move-direction-toggle
4331       (setq wl-summary-move-direction-downward downward))
4332   (let ((start (point))
4333         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4334         (skip t)
4335         (column (current-column))
4336         goto-next next-entity finfo)
4337     (beginning-of-line)
4338     (while (and skip
4339                 (not (if downward (eobp) (bobp))))
4340       (if downward
4341           (forward-line 1)
4342         (forward-line -1))
4343       (setq skip (or (string-match skip-tmark-regexp
4344                                    (wl-summary-temp-mark))
4345                      (not (and (wl-summary-message-number)
4346                                (elmo-message-accessible-p
4347                                 wl-summary-buffer-elmo-folder
4348                                 (wl-summary-message-number)))))))
4349     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4350     (if (or (eobp) (and (bobp) skip))
4351         (goto-char start))
4352     (move-to-column column)
4353
4354     (if (not goto-next)
4355         (if wl-summary-buffer-disp-msg
4356             (wl-summary-redisplay))
4357       (if interactive
4358           (cond
4359            ((and (not downward) wl-summary-buffer-prev-folder-function)
4360             (funcall wl-summary-buffer-prev-folder-function))
4361            ((and downward wl-summary-buffer-next-folder-function)
4362             (funcall wl-summary-buffer-next-folder-function))
4363            (t
4364             (when wl-auto-select-next
4365               (setq next-entity
4366                     (if downward
4367                         (wl-summary-get-next-folder)
4368                       (wl-summary-get-prev-folder)))
4369               (if next-entity
4370                   (setq finfo (wl-folder-get-entity-info next-entity))))
4371             (wl-ask-folder
4372              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4373              (format
4374               "No more messages. Type SPC to go to %s."
4375               (wl-summary-entity-info-msg next-entity finfo)))))))))
4376
4377 (defun wl-summary-prev (&optional interactive)
4378   (interactive)
4379   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4380
4381 (defun wl-summary-next (&optional interactive)
4382   (interactive)
4383   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4384
4385 (defun wl-summary-up (&optional interactive skip-no-unread)
4386   ""
4387   (interactive)
4388   (if wl-summary-move-direction-toggle
4389       (setq wl-summary-move-direction-downward nil))
4390   (if (wl-summary-cursor-up)
4391       (if wl-summary-buffer-disp-msg
4392           (wl-summary-redisplay))
4393     (if (or interactive
4394             (interactive-p))
4395         (if wl-summary-buffer-prev-folder-function
4396             (funcall wl-summary-buffer-prev-folder-function)
4397           (let (next-entity finfo)
4398             (when wl-auto-select-next
4399               (progn
4400                 (setq next-entity (wl-summary-get-prev-unread-folder))
4401                 (if next-entity
4402                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4403             (if (and skip-no-unread
4404                      (eq wl-auto-select-next 'skip-no-unread))
4405                 (wl-summary-next-folder-or-exit next-entity t)
4406               (wl-ask-folder
4407                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4408                (format
4409                 "No more unread messages. Type SPC to go to %s."
4410                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4411
4412 (defun wl-summary-get-prev-folder ()
4413   (let ((folder-buf (get-buffer wl-folder-buffer-name)))
4414     (when folder-buf
4415       (wl-folder-get-prev-folder
4416        (with-current-buffer folder-buf
4417          wl-folder-buffer-cur-entity-id)))))
4418
4419 (defun wl-summary-get-next-folder ()
4420   (let ((folder-buf (get-buffer wl-folder-buffer-name)))
4421     (when folder-buf
4422       (wl-folder-get-next-folder
4423        (with-current-buffer folder-buf
4424          wl-folder-buffer-cur-entity-id)))))
4425
4426 (defun wl-summary-get-next-unread-folder ()
4427   (let ((folder-buf (get-buffer wl-folder-buffer-name)))
4428     (when folder-buf
4429       (wl-folder-get-next-folder
4430        (with-current-buffer folder-buf
4431          wl-folder-buffer-cur-entity-id)
4432        'unread))))
4433
4434 (defun wl-summary-get-prev-unread-folder ()
4435   (let ((folder-buf (get-buffer wl-folder-buffer-name)))
4436     (when folder-buf
4437       (wl-folder-get-prev-folder
4438        (with-current-buffer folder-buf
4439          wl-folder-buffer-cur-entity-id)
4440        'unread))))
4441
4442 (defun wl-summary-down (&optional interactive skip-no-unread)
4443   (interactive)
4444   (if wl-summary-move-direction-toggle
4445       (setq wl-summary-move-direction-downward t))
4446   (if (wl-summary-cursor-down)
4447       (if wl-summary-buffer-disp-msg
4448           (wl-summary-redisplay))
4449     (if (or interactive
4450             (interactive-p))
4451         (if wl-summary-buffer-next-folder-function
4452             (funcall wl-summary-buffer-next-folder-function)
4453           (let (next-entity finfo)
4454             (when wl-auto-select-next
4455               (setq next-entity (wl-summary-get-next-unread-folder)))
4456             (if next-entity
4457                 (setq finfo (wl-folder-get-entity-info next-entity)))
4458             (if (and skip-no-unread
4459                      (eq wl-auto-select-next 'skip-no-unread))
4460                 (wl-summary-next-folder-or-exit next-entity)
4461               (wl-ask-folder
4462                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4463                (format
4464                 "No more unread messages. Type SPC to go to %s."
4465                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4466
4467 (defun wl-summary-pop-to-last-message ()
4468   "Jump to last displayed message, and pop a new massage off the ring."
4469   (interactive)
4470   (let ((number (wl-summary-pop-message (wl-summary-message-number))))
4471     (unless number
4472       (error "Empty message ring"))
4473     (wl-summary-jump-to-msg number)
4474     (when wl-summary-buffer-disp-msg
4475       (let (wl-summary-buffer-message-ring)
4476         (wl-summary-redisplay)))))
4477
4478 (defun wl-summary-goto-last-displayed-msg (&optional arg)
4479   "Jump to last displayed message."
4480   (interactive "P")
4481   (cond
4482    ((eq last-command 'wl-summary-pop-to-last-message)
4483     (setq this-command 'wl-summary-pop-to-last-message)
4484     (wl-summary-pop-to-last-message))
4485    (arg
4486     (setq this-command 'wl-summary-pop-to-last-message)
4487     (wl-summary-pop-to-last-message))
4488    (t
4489     (let ((current (wl-summary-message-number))
4490           (number (wl-summary-pop-message)))
4491       (if number
4492           (progn
4493             (wl-summary-jump-to-msg number)
4494             (if wl-summary-buffer-disp-msg
4495                 (wl-summary-redisplay)
4496               (wl-summary-push-message current)))
4497         (message "No last message."))))))
4498
4499 (defun wl-summary-message-display-type ()
4500   (when (and wl-summary-buffer-disp-msg
4501              (buffer-live-p wl-message-buffer)
4502              wl-summary-buffer-current-msg
4503              (wl-summary-message-number)
4504              (= (wl-summary-message-number) wl-summary-buffer-current-msg))
4505     (wl-message-buffer-display-type wl-message-buffer)))
4506
4507 (defun wl-summary-buffer-display-mime-mode ()
4508   (or (wl-message-display-type-property (wl-summary-message-display-type)
4509                                         :mime)
4510       wl-summary-buffer-display-mime-mode))
4511
4512 (defun wl-summary-buffer-display-header-mode ()
4513   (or (wl-message-display-type-property (wl-summary-message-display-type)
4514                                         :header)
4515       wl-summary-buffer-display-header-mode))
4516
4517 (defun wl-summary-toggle-mime (&optional arg)
4518   "Toggle MIME decoding.
4519 If ARG is non-nil, ask coding-system to display the message in the current
4520 MIME analysis mode.
4521
4522 If ARG is numeric number, decode message as following:
4523 1: Enable MIME analysis.
4524 2: Enable MIME analysis only for headers.
4525 3: Disable MIME analysis."
4526   (interactive "P")
4527   (let ((mime-mode (wl-summary-buffer-display-mime-mode))
4528         (elmo-mime-display-as-is-coding-system
4529          elmo-mime-display-as-is-coding-system))
4530     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4531         (progn
4532           (setq wl-summary-buffer-display-mime-mode mime-mode)
4533           (wl-summary-update-modeline))
4534       (cond
4535        ((numberp arg)
4536         (setq mime-mode (case arg
4537                           (1 'mime)
4538                           (2 'header-only)
4539                           (3 'as-is)
4540 ;;;                       (4 'decode-only)
4541                           (5 'no-merge))))
4542        (arg
4543         ;; Specify coding-system (doesn't change the MIME mode).
4544         (setq elmo-mime-display-as-is-coding-system
4545               (if (and arg
4546                        (not (wl-message-mime-analysis-p
4547                              (wl-summary-message-display-type))))
4548                   (or (read-coding-system "Coding system: ")
4549                       elmo-mime-display-as-is-coding-system)
4550                 elmo-mime-display-as-is-coding-system)))
4551        (t
4552         ;; Change the MIME mode.
4553         (setq mime-mode (or (cadr (memq mime-mode
4554                                         wl-summary-display-mime-mode-list))
4555                             (car wl-summary-display-mime-mode-list)))))
4556       (wl-summary-redisplay-internal nil nil arg mime-mode))
4557     (message "MIME decoding: %s%s"
4558              (upcase (symbol-name mime-mode))
4559              (if (and (not (eq mime-mode 'mime))
4560                       (not (eq elmo-mime-display-as-is-coding-system
4561                                wl-cs-autoconv)))
4562                  (concat " ("
4563                          (symbol-name elmo-mime-display-as-is-coding-system)
4564                          ")")
4565                ""))))
4566
4567 (defun wl-summary-redisplay (&optional arg)
4568   "Redisplay message."
4569   (interactive "P")
4570   (apply #'wl-summary-redisplay-internal nil nil arg
4571          (unless (and (consp arg) (> (prefix-numeric-value arg) 4))
4572            (list wl-summary-buffer-display-mime-mode
4573                  wl-summary-buffer-display-header-mode))))
4574
4575 (defun wl-summary-toggle-all-header (&optional arg)
4576   "Toggle displaying message with all header."
4577   (interactive "P")
4578   (let ((header-mode (wl-summary-buffer-display-header-mode)))
4579     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4580         (setq wl-summary-buffer-display-header-mode header-mode)
4581       (wl-summary-redisplay-internal
4582        nil nil arg nil
4583        (if (eq header-mode 'all) 'partial 'all)))))
4584
4585 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4586                                                 mime-mode header-mode)
4587   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4588          (num (or number (wl-summary-message-number)))
4589          (wl-mime-charset      wl-summary-buffer-mime-charset)
4590          (default-mime-charset wl-summary-buffer-mime-charset)
4591          fld-buf fld-win thr-entity
4592          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4593                                          (and force-reload
4594                                               elmo-message-fetch-threshold))))
4595     (if (and wl-thread-open-reading-thread
4596              (eq wl-summary-buffer-view 'thread)
4597              (not (wl-thread-entity-get-opened
4598                    (setq thr-entity (wl-thread-get-entity
4599                                      num))))
4600              (wl-thread-entity-get-children thr-entity))
4601         (wl-thread-force-open))
4602     (if num
4603         (progn
4604           (setq wl-summary-buffer-disp-msg t)
4605           (wl-summary-push-message wl-summary-buffer-current-msg)
4606           ;; hide folder window
4607           (if (and (not wl-stay-folder-window)
4608                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4609               (if (setq fld-win (get-buffer-window fld-buf))
4610                   (delete-window fld-win)))
4611           (setq wl-current-summary-buffer (current-buffer))
4612           (wl-message-redisplay folder num
4613                                 (wl-message-make-display-type
4614                                  (or mime-mode
4615                                      (wl-summary-buffer-display-mime-mode))
4616                                  (or header-mode
4617                                      (wl-summary-buffer-display-header-mode)))
4618                                 (or force-reload
4619                                     (string= (elmo-folder-name-internal folder)
4620                                              wl-draft-folder)))
4621           (when (elmo-message-use-cache-p folder num)
4622             (elmo-message-set-cached folder num t))
4623           (ignore-errors
4624             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4625                                         num
4626                                         'unread)
4627                 (wl-summary-mark-as-read num)
4628               (wl-summary-count-unread)
4629               (wl-summary-update-modeline)
4630               (wl-folder-update-unread
4631                (wl-summary-buffer-folder-name)
4632                wl-summary-buffer-unread-count)))
4633           (setq wl-summary-buffer-current-msg num)
4634           (when wl-summary-recenter
4635             (recenter (/ (- (window-height) 2) 2))
4636             (if (not wl-summary-indent-length-limit)
4637                 (wl-horizontal-recenter)))
4638           (wl-highlight-summary-displaying)
4639           (wl-message-buffer-prefetch-next
4640            folder num
4641            (min (or wl-message-buffer-prefetch-depth 0)
4642                 (1- wl-message-buffer-cache-size))
4643            (current-buffer)
4644            wl-summary-buffer-mime-charset)
4645           (run-hooks 'wl-summary-redisplay-hook))
4646       (message "No message to display."))))
4647
4648 (defun wl-summary-jump-to-current-message ()
4649   "Jump into Message buffer."
4650   (interactive)
4651   (let (message-buf message-win)
4652     (if (setq message-buf wl-message-buffer)
4653         (if (setq message-win (get-buffer-window message-buf))
4654             (select-window message-win)
4655           (wl-message-select-buffer wl-message-buffer))
4656       (wl-summary-redisplay)
4657       (wl-message-select-buffer wl-message-buffer))))
4658
4659 (defun wl-summary-cancel-message ()
4660   "Cancel an article on news."
4661   (interactive)
4662   (if (null (wl-summary-message-number))
4663       (message "No message.")
4664     (let ((summary-buf (current-buffer))
4665           message-buf)
4666       (wl-summary-set-message-buffer-or-redisplay)
4667       (if (setq message-buf (wl-message-get-original-buffer))
4668           (set-buffer message-buf))
4669       (unless (wl-message-news-p)
4670         (set-buffer summary-buf)
4671         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4672                      'nntp)
4673                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4674             (progn
4675               (wl-summary-redisplay t)
4676               (wl-summary-supersedes-message))
4677           (error "This is not a news article; supersedes is impossible")))
4678       (when (yes-or-no-p "Do you really want to cancel this article? ")
4679         (let (from newsgroups message-id distribution buf)
4680           (save-excursion
4681             (setq from (std11-field-body "from")
4682                   newsgroups (std11-field-body "newsgroups")
4683                   message-id (std11-field-body "message-id")
4684                   distribution (std11-field-body "distribution"))
4685             ;; Make sure that this article was written by the user.
4686             (unless (wl-address-user-mail-address-p
4687                      (wl-address-header-extract-address
4688                       (car (wl-parse-addresses from))))
4689               (error "This article is not yours"))
4690             ;; Make control message.
4691             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4692             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4693             (buffer-disable-undo (current-buffer))
4694             (erase-buffer)
4695             (insert "Newsgroups: " newsgroups "\n"
4696                     "From: " (wl-address-header-extract-address
4697                               wl-from) "\n"
4698                               "Subject: cmsg cancel " message-id "\n"
4699                               "Control: cancel " message-id "\n"
4700                               (if distribution
4701                                   (concat "Distribution: " distribution "\n")
4702                                 "")
4703                               mail-header-separator "\n"
4704                               wl-summary-cancel-message)
4705             (message "Canceling your message...")
4706             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4707             (message "Canceling your message...done")))))))
4708
4709 (defun wl-summary-supersedes-message ()
4710   "Supersede current message."
4711   (interactive)
4712   (wl-summary-toggle-disp-msg 'off)
4713   (let ((summary-buf (current-buffer))
4714         message-buf from)
4715     (wl-summary-set-message-buffer-or-redisplay)
4716     (if (setq message-buf (wl-message-get-original-buffer))
4717         (set-buffer message-buf))
4718     (unless (wl-message-news-p)
4719       (set-buffer summary-buf)
4720       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4721                    'nntp)
4722                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4723           (progn
4724             (wl-summary-redisplay t)
4725             (wl-summary-supersedes-message))
4726         (error "This is not a news article; supersedes is impossible")))
4727     (save-excursion
4728       (setq from (std11-field-body "from"))
4729       ;; Make sure that this article was written by the user.
4730       (unless (wl-address-user-mail-address-p
4731                (wl-address-header-extract-address
4732                 (car (wl-parse-addresses from))))
4733         (error "This article is not yours"))
4734       (let* ((message-id (std11-field-body "message-id"))
4735              (followup-to (std11-field-body "followup-to"))
4736              (mail-default-headers
4737               (concat mail-default-headers
4738                       "Supersedes: " message-id "\n"
4739                       (and followup-to
4740                            (concat "Followup-To: " followup-to "\n")))))
4741         (if message-buf (set-buffer message-buf))
4742         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4743
4744 (defun wl-summary-display-raw (&optional arg)
4745   "Display current message in raw format."
4746   (interactive)
4747   (let ((number (wl-summary-message-number))
4748         (folder wl-summary-buffer-elmo-folder))
4749     (if number
4750         (let ((raw (elmo-message-fetch-string
4751                     folder number
4752                     (elmo-find-fetch-strategy folder number)))
4753               (raw-buffer (get-buffer-create "*wl:raw message*"))
4754               (raw-mode-map (make-sparse-keymap)))
4755           (with-current-buffer raw-buffer
4756             (toggle-read-only -1)
4757             (erase-buffer)
4758             (princ raw raw-buffer)
4759             (toggle-read-only t)
4760             (goto-char (point-min))
4761             (switch-to-buffer-other-window raw-buffer)
4762             (define-key raw-mode-map "l" 'toggle-truncate-lines)
4763             (define-key raw-mode-map "q" 'kill-buffer-and-window)
4764             (define-key raw-mode-map "," 'kill-buffer-and-window)
4765             (use-local-map raw-mode-map)))
4766       (message "No message to display."))
4767     number))
4768
4769 (defun wl-summary-save (&optional arg wl-save-dir)
4770   "Save current message to disk."
4771   (interactive)
4772   (let ((filename)
4773         (num (wl-summary-message-number)))
4774     (unless wl-save-dir
4775       (setq wl-save-dir wl-temporary-file-directory))
4776     (if num
4777         (save-excursion
4778           (setq filename (expand-file-name
4779                           (concat (number-to-string num)
4780                                   wl-summary-save-file-suffix)
4781                           wl-save-dir))
4782           (when (or (null arg)
4783                     (file-exists-p filename))
4784             (setq filename (read-file-name "Save to file: " filename)))
4785           (wl-summary-set-message-buffer-or-redisplay)
4786           (set-buffer (wl-message-get-original-buffer))
4787           (when (or arg
4788                     (not (file-exists-p filename))
4789                     (y-or-n-p "File already exists.  override it? "))
4790             (write-region-as-binary (point-min) (point-max) filename)))
4791       (message "No message to save."))
4792     num))
4793
4794 (defun wl-summary-save-region (beg end)
4795   (interactive "r")
4796   (save-excursion
4797     (save-restriction
4798       (wl-summary-narrow-to-region beg end)
4799       (goto-char (point-min))
4800       (let ((wl-save-dir
4801              (wl-read-directory-name "Save to directory: "
4802                                      wl-temporary-file-directory)))
4803         (if (null (file-exists-p wl-save-dir))
4804             (make-directory wl-save-dir))
4805         (if (eq wl-summary-buffer-view 'thread)
4806             (progn
4807               (while (not (eobp))
4808                 (let* ((number (wl-summary-message-number))
4809                        (entity (wl-thread-get-entity number)))
4810                   (if (wl-thread-entity-get-opened entity)
4811                       (wl-summary-save t wl-save-dir)
4812                     ;; closed
4813                     (wl-summary-save t wl-save-dir))
4814                   (forward-line 1))))
4815           (while (not (eobp))
4816             (wl-summary-save t wl-save-dir)
4817             (forward-line 1)))))))
4818
4819 ;; mew-summary-pipe-message()
4820 (defun wl-summary-pipe-message (prefix command)
4821   "Send this message via pipe."
4822   (interactive (list current-prefix-arg nil))
4823   (if (null (wl-summary-message-number))
4824       (message "No message.")
4825     (setq command (wl-read-shell-command "Shell command on message: "
4826                                          wl-summary-shell-command-last))
4827     (if (y-or-n-p "Send this message to pipe? ")
4828         (wl-summary-pipe-message-subr prefix command))))
4829
4830 (defun wl-summary-target-mark-pipe (prefix command)
4831   "Send each marked messages via pipe."
4832   (interactive (list current-prefix-arg nil))
4833   (if (null wl-summary-buffer-target-mark-list)
4834       (message "No marked message.")
4835     (setq command (wl-read-shell-command
4836                    "Shell command on each marked message: "
4837                    wl-summary-shell-command-last))
4838     (when (y-or-n-p "Send each marked message to pipe? ")
4839       (while (car wl-summary-buffer-target-mark-list)
4840         (let ((num (car wl-summary-buffer-target-mark-list)))
4841           (wl-thread-jump-to-msg num)
4842           (wl-summary-pipe-message-subr prefix command)
4843           (wl-summary-unmark))))))
4844
4845 (defun wl-summary-pipe-message-subr (prefix command)
4846   (save-excursion
4847     (wl-summary-set-message-buffer-or-redisplay)
4848     (set-buffer (wl-message-get-original-buffer))
4849     (if (string= command "")
4850         (setq command wl-summary-shell-command-last))
4851     (goto-char (point-min)) ; perhaps this line won't be necessary
4852     (if prefix
4853         (search-forward "\n\n"))
4854     (shell-command-on-region (point) (point-max) command nil)
4855     (setq wl-summary-shell-command-last command)))
4856
4857 (defun wl-summary-print-message (&optional arg)
4858   (interactive "P")
4859   (if (null (wl-summary-message-number))
4860       (message "No message.")
4861     (save-excursion
4862       (wl-summary-set-message-buffer-or-redisplay)
4863       (if (or (not (interactive-p))
4864               (y-or-n-p "Print ok? "))
4865           (progn
4866             (let ((buffer (generate-new-buffer " *print*")))
4867               (copy-to-buffer buffer (point-min) (point-max))
4868               (set-buffer buffer)
4869               (funcall wl-print-buffer-function)
4870               (kill-buffer buffer)))
4871         (message "")))))
4872
4873 (defun wl-summary-print-message-with-ps-print (&optional filename)
4874   "Print message via ps-print."
4875   (interactive)
4876   (if (null (wl-summary-message-number))
4877       (message "No message.")
4878     (setq filename (ps-print-preprint current-prefix-arg))
4879     (if (or (not (interactive-p))
4880             (y-or-n-p "Print ok? "))
4881         (let ((summary-buffer (current-buffer))
4882               wl-break-pages)
4883           (save-excursion
4884             (wl-summary-set-message-buffer-or-redisplay)
4885             (let* ((buffer (generate-new-buffer " *print*"))
4886                    (entity (progn
4887                              (set-buffer summary-buffer)
4888                              (elmo-message-entity
4889                               wl-summary-buffer-elmo-folder
4890                               (wl-summary-message-number))))
4891                    (wl-ps-subject
4892                     (or (elmo-message-entity-field entity 'subject 'string)
4893                         ""))
4894                    (wl-ps-from
4895                     (or (elmo-message-entity-field entity 'from 'string)
4896                         ""))
4897                    (wl-ps-date
4898                     (or (elmo-message-entity-field entity 'date 'string)
4899                         "")))
4900               (run-hooks 'wl-ps-preprint-hook)
4901               (set-buffer wl-message-buffer)
4902               (copy-to-buffer buffer (point-min) (point-max))
4903               (set-buffer buffer)
4904               (unwind-protect
4905                   (let ((ps-left-header
4906                          (list (concat "(" wl-ps-subject ")")
4907                                (concat "(" wl-ps-from ")")))
4908                         (ps-right-header
4909                          (list "/pagenumberstring load"
4910                                (concat "(" wl-ps-date ")"))))
4911                     (run-hooks 'wl-ps-print-hook)
4912                     (funcall wl-ps-print-buffer-function filename))
4913                 (kill-buffer buffer)))))
4914       (message ""))))
4915
4916 (if (featurep 'ps-print) ; ps-print is available.
4917     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4918
4919 (defun wl-summary-target-mark-print ()
4920   (interactive)
4921   (wl-summary-check-target-mark)
4922   (when (y-or-n-p "Print all marked messages. OK? ")
4923     (while (car wl-summary-buffer-target-mark-list)
4924       (let ((num (car wl-summary-buffer-target-mark-list)))
4925         (wl-thread-jump-to-msg num)
4926         (wl-summary-print-message)
4927         (wl-summary-unmark)))))
4928
4929 (defun wl-summary-folder-info-update ()
4930   (wl-folder-set-folder-updated
4931    (elmo-string (wl-summary-buffer-folder-name))
4932    (list 0
4933          wl-summary-buffer-unread-count
4934          (elmo-folder-length
4935           wl-summary-buffer-elmo-folder))))
4936
4937 (defun wl-summary-get-original-buffer ()
4938   "Get original buffer for the current summary."
4939   (save-excursion
4940     (wl-summary-set-message-buffer-or-redisplay)
4941     (wl-message-get-original-buffer)))
4942
4943 (defun wl-summary-pack-number (&optional arg)
4944   (interactive "P")
4945   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4946   (let (wl-use-scoring)
4947     (wl-summary-rescan nil nil nil t)))
4948
4949 (defun wl-summary-target-mark-uudecode ()
4950   (interactive)
4951   (wl-summary-check-target-mark)
4952   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4953         (summary-buf (current-buffer))
4954         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4955         orig-buf i k filename rc errmsg)
4956     (setq i 1)
4957     (setq k (length mlist))
4958     (set-buffer tmp-buf)
4959     (erase-buffer)
4960     (save-window-excursion
4961       (while mlist
4962         (set-buffer summary-buf)
4963         (wl-summary-jump-to-msg (car mlist))
4964         (wl-summary-redisplay)
4965         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4966         (goto-char (point-min))
4967         (cond ((= i 1) ; first
4968                (if (setq filename (wl-message-uu-substring
4969                                    orig-buf tmp-buf t
4970                                    (= i k)))
4971                    nil
4972                  (error "Can't find begin line")))
4973               ((< i k)
4974                (wl-message-uu-substring orig-buf tmp-buf))
4975               (t ; last
4976                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4977         (setq i (1+ i))
4978         (setq mlist (cdr mlist)))
4979       (set-buffer tmp-buf)
4980       (message "Exec %s..." wl-prog-uudecode)
4981       (unwind-protect
4982           (let ((decode-dir wl-temporary-file-directory))
4983             (if (not wl-prog-uudecode-no-stdout-option)
4984                 (setq filename (read-file-name "Save to file: "
4985                                                (expand-file-name
4986                                                 (elmo-safe-filename filename)
4987                                                 wl-temporary-file-directory)))
4988               (setq decode-dir
4989                     (wl-read-directory-name "Save to directory: "
4990                                             wl-temporary-file-directory))
4991               (setq filename (expand-file-name filename decode-dir)))
4992             (if (file-exists-p filename)
4993                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4994                                          filename))
4995                     (error "")))
4996             (elmo-bind-directory
4997              decode-dir
4998              (setq rc
4999                    (as-binary-process
5000                     (apply 'call-process-region (point-min) (point-max)
5001                            wl-prog-uudecode t (current-buffer) nil
5002                            wl-prog-uudecode-arg))))
5003             (when (not (= 0 rc))
5004               (setq errmsg (buffer-substring (point-min)(point-max)))
5005               (error "Uudecode error: %s" errmsg))
5006             (if (not wl-prog-uudecode-no-stdout-option)
5007                 (let (file-name-handler-alist) ;; void jka-compr
5008                   (as-binary-output-file
5009                    (write-region (point-min) (point-max)
5010                                  filename nil 'no-msg))))
5011             (save-excursion
5012               (set-buffer summary-buf)
5013               (wl-summary-delete-all-target-marks))
5014             (if (file-exists-p filename)
5015                 (message "Saved as %s" filename)))
5016         (kill-buffer tmp-buf)))))
5017
5018 ;; Someday
5019 ;; (defun wl-summary-drop-unsync ()
5020 ;;   "Drop all unsync messages."
5021 ;;   (interactive)
5022 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
5023 ;;       (error "You cannot drop unsync messages in this folder"))
5024 ;;   (if (or (not (interactive-p))
5025 ;;        (y-or-n-p "Drop all unsync messages? "))
5026 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
5027 ;;                         (wl-summary-buffer-folder-name)))
5028 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
5029 ;;           (sum 0)
5030 ;;           (multi-num 0)
5031 ;;           pair)
5032 ;;      (message "Dropping...")
5033 ;;      (while folder-list
5034 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
5035 ;;        (when is-multi ;; dirty hack...
5036 ;;          (incf multi-num)
5037 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
5038 ;;                          (car pair))))
5039 ;;        (elmo-msgdb-set-number-alist
5040 ;;         (wl-summary-buffer-msgdb)
5041 ;;         (nconc
5042 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5043 ;;          (list (cons (car pair) nil))))
5044 ;;        (setq sum (+ sum (cdr pair)))
5045 ;;        (setq folder-list (cdr folder-list)))
5046 ;;      (wl-summary-set-message-modified)
5047 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5048 ;;                                    (list 0
5049 ;;                                          (+ wl-summary-buffer-unread-count
5050 ;;                                             wl-summary-buffer-new-count)
5051 ;;                                          sum))
5052 ;;      (message "Dropping...done"))))
5053
5054 (defun wl-summary-previous-message-number (msg)
5055   "Return a message number previous to the message specified by MSG."
5056   (let ((list wl-summary-buffer-number-list)
5057         previous)
5058     (while (and list (not (eq msg (car list))))
5059       (setq previous (car list))
5060       (setq list (cdr list)))
5061     previous))
5062
5063 (defun wl-summary-next-message-number (msg)
5064   "Return a message number next to the message specified by MSG."
5065   (cadr (memq msg wl-summary-buffer-number-list)))
5066
5067 (defun wl-summary-default-get-next-msg (msg)
5068   (or (wl-summary-next-message msg
5069                                (if wl-summary-move-direction-downward 'down
5070                                  'up)
5071                                nil)
5072       (if wl-summary-move-direction-downward
5073           (wl-summary-next-message-number msg)
5074         (wl-summary-previous-message-number msg))))
5075
5076 (defun wl-summary-save-current-message ()
5077   "Save current message for `wl-summary-yank-saved-message'."
5078   (interactive)
5079   (let ((number (wl-summary-message-number)))
5080     (setq wl-summary-buffer-saved-message number)
5081     (and number (message "No: %s is saved." number))))
5082
5083 (defun wl-summary-yank-saved-message ()
5084   "Set current message as a parent of the saved message."
5085   (interactive)
5086   (if wl-summary-buffer-saved-message
5087       (let ((number (wl-summary-message-number)))
5088         (if (eq wl-summary-buffer-saved-message number)
5089             (message "Cannot set itself as a parent.")
5090           (save-excursion
5091             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5092             (wl-thread-set-parent number)
5093             (wl-summary-set-thread-modified))
5094           (setq  wl-summary-buffer-saved-message nil)))
5095     (message "There's no saved message.")))
5096
5097 (defun wl-summary-toggle-header-narrowing ()
5098   "Toggle message header narrowing."
5099   (interactive)
5100   (when wl-message-use-header-narrowing
5101     (save-selected-window
5102       (let* ((mbuf wl-message-buffer)
5103              (mwin (when mbuf (get-buffer-window mbuf)))
5104              (wpos (when mwin (window-start mwin))))
5105         (when mbuf
5106           (set-buffer mbuf)
5107           (wl-message-header-narrowing-toggle)
5108           (and wpos (set-window-start mwin wpos)))))))
5109
5110 (require 'product)
5111 (product-provide (provide 'wl-summary) (require 'wl-version))
5112
5113 ;;; wl-summary.el ends here