wl/wl-summary.el

   1 ;;; wl-summary.el --- Summary mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5 ;; Copyright (C) 1999,2000      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
   6 ;; Copyright (C) 1999,2000      Kenichi OKADA <okada@opaopa.org>
   7
   8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   9 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
  10 ;;      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
  11 ;;      Kenichi OKADA <okada@opaopa.org>
  12 ;; Keywords: mail, net news
  13
  14 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  15
  16 ;; This program is free software; you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation; either version 2, or (at your option)
  19 ;; any later version.
  20 ;;
  21 ;; This program is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25 ;;
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  29 ;; Boston, MA 02111-1307, USA.
  30 ;;
  31
  32 ;;; Commentary:
  33 ;;
  34
  35 ;;; Code:
  36 ;;
  37
  38 (require 'elmo)
  39 (require 'elmo-multi)
  40 (require 'wl-message)
  41 (require 'wl-vars)
  42 (require 'wl-highlight)
  43 (require 'wl-refile)
  44 (require 'wl-util)
  45 (condition-case nil (require 'timezone) (error nil))
  46 (condition-case nil (require 'easymenu) (error nil))
  47 (require 'elmo-date)
  48 (condition-case nil (require 'ps-print) (error nil))
  49
  50 (eval-when-compile
  51   (require 'cl)
  52   (condition-case () (require 'timer) (error nil))
  53   (defalias-maybe 'ps-print-buffer-with-faces 'ignore)
  54   (defalias-maybe 'elmo-database-msgid-put 'ignore)
  55   (defalias-maybe 'elmo-database-close 'ignore)
  56   (defalias-maybe 'elmo-database-msgid-get 'ignore)
  57   (defalias-maybe 'run-with-idle-timer 'ignore)
  58   (defalias-maybe 'ps-print-preprint 'ignore))
  59
  60 (defvar dragdrop-drop-functions)
  61 (defvar scrollbar-height)
  62 (defvar mail-reply-buffer)
  63 (defvar elmo-global-flags)
  64
  65 (defvar wl-summary-buffer-name "Summary")
  66 (defvar wl-summary-mode-map nil)
  67 (defvar wl-current-summary-buffer nil)
  68
  69 (defvar wl-summary-buffer-elmo-folder nil)
  70
  71 (defmacro wl-summary-buffer-folder-name ()
  72   (` (and wl-summary-buffer-elmo-folder
  73           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  74
  75 (defvar wl-summary-buffer-disp-msg    nil)
  76 (defvar wl-summary-buffer-disp-folder nil)
  77 (defvar wl-summary-buffer-temp-mark-list nil)
  78 (defvar wl-summary-buffer-last-displayed-msg nil)
  79 (defvar wl-summary-buffer-current-msg nil)
  80 (defvar wl-summary-buffer-unread-count 0)
  81 (defvar wl-summary-buffer-new-count    0)
  82 (defvar wl-summary-buffer-answered-count 0)
  83 (defvar wl-summary-buffer-mime-charset  nil)
  84 (defvar wl-summary-buffer-weekday-name-lang  nil)
  85 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  86 (defvar wl-summary-buffer-view nil)
  87 (defvar wl-summary-buffer-message-modified nil)
  88 (defvar wl-summary-buffer-thread-modified nil)
  89
  90 (defvar wl-summary-buffer-number-column nil)
  91 (defvar wl-summary-buffer-temp-mark-column nil)
  92 (defvar wl-summary-buffer-persistent-mark-column nil)
  93
  94 (defvar wl-summary-buffer-persistent-mark-version 0)
  95
  96 (defvar wl-summary-buffer-persistent nil)
  97 (defvar wl-summary-buffer-thread-nodes nil)
  98 (defvar wl-summary-buffer-target-mark-list nil)
  99 (defvar wl-summary-buffer-prev-refile-destination nil)
 100 (defvar wl-summary-buffer-saved-message nil)
 101 (defvar wl-summary-buffer-prev-folder-function nil)
 102 (defvar wl-summary-buffer-next-folder-function nil)
 103 (defvar wl-summary-buffer-exit-function nil)
 104 (defvar wl-summary-buffer-next-message-function nil)
 105 (defvar wl-summary-buffer-window-scroll-functions nil)
 106 (defvar wl-summary-buffer-number-list nil)
 107 (defvar wl-summary-buffer-folder-name nil)
 108 (defvar wl-summary-buffer-line-formatter nil)
 109 (defvar wl-summary-buffer-line-format nil)
 110 (defvar wl-summary-buffer-mode-line-formatter nil)
 111 (defvar wl-summary-buffer-mode-line nil)
 112 (defvar wl-summary-buffer-display-mime-mode 'mime)
 113 (defvar wl-summary-buffer-display-header-mode 'partial)
 114
 115 (defvar wl-thread-indent-level-internal nil)
 116 (defvar wl-thread-have-younger-brother-str-internal nil)
 117 (defvar wl-thread-youngest-child-str-internal nil)
 118 (defvar wl-thread-vertical-str-internal nil)
 119 (defvar wl-thread-horizontal-str-internal nil)
 120 (defvar wl-thread-space-str-internal nil)
 121 (defvar wl-summary-last-visited-folder nil)
 122 (defvar wl-read-folder-history nil)
 123 (defvar wl-summary-scored nil)
 124 (defvar wl-crosspost-alist-modified nil)
 125 (defvar wl-summary-alike-hashtb nil)
 126 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 127 (defvar wl-summary-delayed-update nil)
 128 (defvar wl-summary-search-buf-folder-name nil)
 129
 130 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 131
 132 (defvar wl-summary-shell-command-last "")
 133
 134 (defvar wl-ps-preprint-hook nil)
 135 (defvar wl-ps-print-hook nil)
 136
 137 (defvar wl-thread-saved-entity-hashtb-internal nil)
 138
 139 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 140 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 141 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 142 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 143 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 144 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 146 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 147 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 148 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 150 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 151 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 152 (make-variable-buffer-local 'wl-summary-buffer-view)
 153 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 154 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 155 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 156 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 157 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-version)
 159 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 160 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 161 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 162 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 163 (make-variable-buffer-local 'wl-summary-scored)
 164 (make-variable-buffer-local 'wl-summary-default-score)
 165 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 166 (make-variable-buffer-local 'wl-summary-important-above)
 167 (make-variable-buffer-local 'wl-summary-target-above)
 168 (make-variable-buffer-local 'wl-summary-mark-below)
 169 (make-variable-buffer-local 'wl-summary-expunge-below)
 170 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 171 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 172 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 173 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 174 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 175 (make-variable-buffer-local 'wl-thread-space-str-internal)
 176 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 177 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 179 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 180 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 181 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 182 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 183 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 184 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 185 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 186 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 187 (make-variable-buffer-local 'wl-summary-buffer-display-mime-mode)
 188 (make-variable-buffer-local 'wl-summary-buffer-display-header-mode)
 189
 190 (defvar wl-datevec)
 191 (defvar wl-thr-indent-string)
 192 (defvar wl-thr-children-number)
 193 (defvar wl-thr-linked)
 194 (defvar wl-message-entity)
 195 (defvar wl-parent-message-entity)
 196 (defvar wl-temp-mark)
 197 (defvar wl-persistent-mark)
 198
 199 (defmacro wl-summary-sticky-buffer-name (name)
 200   (` (concat wl-summary-buffer-name ":" (, name))))
 201
 202 (defun wl-summary-default-subject (subject-string)
 203   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 204       (substring subject-string (match-end 0))
 205     subject-string))
 206
 207 (defun wl-summary-default-from (from)
 208   "Instance of `wl-summary-from-function'.
 209 Ordinarily returns the sender name. Returns recipient names if (1)
 210 summary's folder name matches with `wl-summary-showto-folder-regexp'
 211 and (2) sender address is yours.
 212
 213 See also variable `wl-use-petname'."
 214   (let ((translator (if wl-use-petname
 215                         (lambda (string)
 216                           (or (funcall wl-summary-get-petname-function string)
 217                               (car (std11-extract-address-components string))
 218                               string))
 219                       #'identity))
 220         to ng)
 221     (or (and (eq major-mode 'wl-summary-mode)
 222              (stringp wl-summary-showto-folder-regexp)
 223              (string-match wl-summary-showto-folder-regexp
 224                            (wl-summary-buffer-folder-name))
 225              (wl-address-user-mail-address-p from)
 226              (cond
 227               ((setq to (elmo-message-entity-field wl-message-entity 'to))
 228                (concat "To:" (mapconcat translator to ",")))
 229               ((setq ng (elmo-message-entity-field wl-message-entity
 230                                                    'newsgroups))
 231                (concat "Ng:" ng))))
 232         (funcall translator from))))
 233
 234 (defun wl-summary-simple-from (string)
 235   (if wl-use-petname
 236       (or (funcall wl-summary-get-petname-function string)
 237           (car (std11-extract-address-components string))
 238           string)
 239     string))
 240
 241 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 242 (defvar wl-summary-default-sort-spec 'date)
 243
 244 (defvar wl-summary-mode-menu-spec
 245   '("Summary"
 246     ["Read" wl-summary-read t]
 247     ["Prev page" wl-summary-prev-page t]
 248     ["Next page" wl-summary-next-page t]
 249     ["Top"       wl-summary-display-top t]
 250     ["Bottom"    wl-summary-display-bottom t]
 251     ["Prev"      wl-summary-prev t]
 252     ["Next"      wl-summary-next t]
 253     ["Up"        wl-summary-up t]
 254     ["Down"      wl-summary-down t]
 255     ["Parent message" wl-summary-jump-to-parent-message t]
 256     "----"
 257     ["Sync"            wl-summary-sync t]
 258     ["Execute"         wl-summary-exec t]
 259     ["Go to other folder" wl-summary-goto-folder t]
 260     ["Pick" wl-summary-pick t]
 261     ["Mark as read all" wl-summary-mark-as-read-all t]
 262     ["Unmark all"      wl-summary-unmark-all t]
 263     ["Toggle display message" wl-summary-toggle-disp-msg t]
 264     ["Display folder" wl-summary-toggle-disp-folder t]
 265     ["Toggle threading" wl-summary-toggle-thread t]
 266     ["Stick" wl-summary-stick t]
 267     ("Sort"
 268      ["By Number" wl-summary-sort-by-number t]
 269      ["By Size" wl-summary-sort-by-size t]
 270      ["By Date" wl-summary-sort-by-date t]
 271      ["By From" wl-summary-sort-by-from t]
 272      ["By Subject" wl-summary-sort-by-subject t]
 273      ["By List Info" wl-summary-sort-by-list-info t])
 274     "----"
 275     ("Message Operation"
 276      ["Mark as read"    wl-summary-mark-as-read t]
 277      ["Set flags"       wl-summary-set-flags t]
 278      ["Mark as unread"   wl-summary-mark-as-unread t]
 279      ["Mark as answered" wl-summary-mark-as-answered t]
 280      ["Set dispose mark" wl-summary-dispose t]
 281      ["Set refile mark" wl-summary-refile t]
 282      ["Set copy mark"   wl-summary-copy t]
 283      ["Set resend mark" wl-summary-resend t]
 284      ["Prefetch"        wl-summary-prefetch t]
 285      ["Set target mark" wl-summary-target-mark t]
 286      ["Unmark"          wl-summary-unmark t]
 287      ["Save"            wl-summary-save t]
 288      ["Cancel posted news" wl-summary-cancel-message t]
 289      ["Supersedes message" wl-summary-supersedes-message t]
 290      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 291      ["Enter the message" wl-summary-jump-to-current-message t]
 292      ["Pipe message" wl-summary-pipe-message t]
 293      ["Print message" wl-summary-print-message t])
 294     ("Thread Operation"
 295      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 296      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 297      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 298      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 299      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 300      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 301      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 302      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 303      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 304      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 305      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 306      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 307      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 308      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 309      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 310     ("Region Operation"
 311      ["Mark as read" wl-summary-mark-as-read-region t]
 312      ["Set flags" wl-summary-set-flags-region t]
 313      ["Mark as unread" wl-summary-mark-as-unread-region t]
 314      ["Mark as answered" wl-summary-mark-as-answered-region t]
 315      ["Set dispose mark" wl-summary-dispose-region t]
 316      ["Set refile mark" wl-summary-refile-region t]
 317      ["Set copy mark" wl-summary-copy-region t]
 318      ["Prefetch" wl-summary-prefetch-region t]
 319      ["Set target mark" wl-summary-target-mark-region t]
 320      ["Unmark" wl-summary-unmark-region t]
 321      ["Save" wl-summary-save-region t]
 322      ["Execute" wl-summary-exec-region t])
 323     ("Mark Operation"
 324      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 325      ["Set flags" wl-summary-target-mark-set-flags t]
 326      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 327      ["Set delete mark" wl-summary-target-mark-delete t]
 328      ["Set refile mark" wl-summary-target-mark-refile t]
 329      ["Set copy mark" wl-summary-target-mark-copy t]
 330      ["Prefetch" wl-summary-target-mark-prefetch t]
 331      ["Save" wl-summary-target-mark-save t]
 332      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 333      ["Forward" wl-summary-target-mark-forward t]
 334      ["uudecode" wl-summary-target-mark-uudecode t])
 335     ("Score Operation"
 336      ["Switch current score file" wl-score-change-score-file t]
 337      ["Edit current score file" wl-score-edit-current-scores t]
 338      ["Edit score file" wl-score-edit-file t]
 339      ["Set mark below" wl-score-set-mark-below t]
 340      ["Set expunge below" wl-score-set-expunge-below t]
 341      ["Rescore buffer" wl-summary-rescore t]
 342      ["Increase score" wl-summary-increase-score t]
 343      ["Lower score" wl-summary-lower-score t])
 344     "----"
 345     ("Writing Messages"
 346      ["Write a message" wl-summary-write t]
 347      ["Write for current folder" wl-summary-write-current-folder t]
 348      ["Reply" wl-summary-reply t]
 349      ["Reply with citation" wl-summary-reply-with-citation t]
 350      ["Forward" wl-summary-forward t])
 351     "----"
 352     ["Toggle Plug Status" wl-toggle-plugged t]
 353     ["Change Plug Status" wl-plugged-change t]
 354     "----"
 355     ["Exit Current Folder" wl-summary-exit t]))
 356
 357 (if wl-on-xemacs
 358     (defun wl-summary-setup-mouse ()
 359       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 360       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 361       (define-key wl-summary-mode-map [(shift button4)]
 362         'wl-summary-up)
 363       (define-key wl-summary-mode-map [(shift button5)]
 364         'wl-summary-down)
 365       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 366   (defun wl-summary-setup-mouse ()
 367     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 368     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 369     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 370     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 371     ;; For Meadow2
 372     (define-key wl-summary-mode-map [mouse-wheel1]
 373       'wl-summary-wheel-dispatcher)
 374     (define-key wl-summary-mode-map [S-mouse-wheel1]
 375       'wl-summary-wheel-dispatcher)
 376     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 377
 378 (if wl-summary-mode-map
 379     ()
 380   (setq wl-summary-mode-map (make-keymap))
 381   (suppress-keymap wl-summary-mode-map)
 382   (substitute-key-definition 'kill-buffer
 383                              'wl-summary-mimic-kill-buffer
 384                              wl-summary-mode-map
 385                              global-map)
 386   ;; basic commands
 387   (define-key wl-summary-mode-map " "    'wl-summary-read)
 388   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 389   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 390   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 391   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 392   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 393   (define-key wl-summary-mode-map "\r"   'wl-summary-enter-handler)
 394   (define-key wl-summary-mode-map "\C-m" 'wl-summary-enter-handler)
 395   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 396   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 397   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 398   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 399   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 400   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 401   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 402   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 403
 404   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 405   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 406   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 407   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 408   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 409   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 410   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 411   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 412   (define-key wl-summary-mode-map "\M-k"  'wl-summary-toggle-persistent-mark)
 413   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 414   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 415
 416   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 417   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 418   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 419   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 420   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 421   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 422   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 423   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 424   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 425   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 426   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 427   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 428   (define-key wl-summary-mode-map "H"    'wl-summary-toggle-all-header)
 429   (define-key wl-summary-mode-map "M"    'wl-summary-toggle-mime)
 430   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 431   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 432   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 433   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 434   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 435   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 436   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 437
 438   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 439   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 440   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 441   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 442   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 443   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 444
 445   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 446   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 447   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 448   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 449
 450   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 451   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 452   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 453
 454   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 455   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 456   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 457
 458   ;; copy & paste.
 459   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 460   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 461
 462   ;; line commands
 463   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 464   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 465   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 466   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 467   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 468   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 469   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 470   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 471   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 472   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 473   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 474   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 475   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 476
 477   ;; thread commands
 478   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 479   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 480   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 481   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 482   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 483   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 484   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 485   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 486   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 487   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 488   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 489   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 490   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 491   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 492   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 493   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 494   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 495   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 496
 497   ;; target-mark commands
 498   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 499   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 500   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 501   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 502   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 503   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 504   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 505   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 506
 507   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 508
 509   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 510   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 511   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 512   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 513   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 514   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 515   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 516   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 517   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 518   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 519   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 520   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 521   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 522   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 523
 524   ;; region commands
 525   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 526   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 527   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 528   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 529   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 530   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 531   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 532   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 533   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 534   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 535   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 536   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 537   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 538   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 539   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 540   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 541   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 542   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 543
 544   ;; score commands
 545   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 546   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 547   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 548   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 549   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 550   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 551   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 552   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 553   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 554   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 555
 556   ;; misc
 557   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 558   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 559   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 560   ;;
 561   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 562   (wl-summary-setup-mouse)
 563   (easy-menu-define
 564    wl-summary-mode-menu
 565    wl-summary-mode-map
 566    "Menu used in Summary mode."
 567    wl-summary-mode-menu-spec))
 568
 569 (defun wl-summary-mimic-kill-buffer (buffer)
 570   "Kill the current (Summary) buffer with query."
 571   (interactive "bKill buffer: ")
 572   (if (or (not buffer)
 573           (string-equal buffer "")
 574           (string-equal buffer (buffer-name)))
 575       (wl-summary-exit 'force-exit)
 576     (kill-buffer buffer)))
 577
 578 (defsubst wl-summary-message-visible-p (number)
 579   "Return non-nil if the message with NUMBER is visible."
 580   (or (eq wl-summary-buffer-view 'sequence)
 581       (not (wl-thread-entity-parent-invisible-p
 582             (wl-thread-get-entity number)))))
 583
 584 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 585   "A function to be called as window-scroll-functions."
 586   (with-current-buffer (window-buffer win)
 587     (when (eq major-mode 'wl-summary-mode)
 588       (let ((beg (or beg (window-start win)))
 589             (end (condition-case nil
 590                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 591                    (error (window-end win))))
 592             number flags)
 593         (save-excursion
 594           (goto-char beg)
 595           (while (and (< (point) end) (not (eobp)))
 596             (when (or (null (get-text-property (point) 'face))
 597                       (wl-summary-persistent-mark-invalid-p))
 598               (setq number (wl-summary-message-number))
 599               (when number
 600                 (setq flags (elmo-message-flags wl-summary-buffer-elmo-folder
 601                                                 number)))
 602               (let (wl-summary-highlight)
 603                 (wl-summary-update-persistent-mark number flags))
 604               (wl-highlight-summary-current-line number flags))
 605             (forward-line 1)))))
 606     (set-buffer-modified-p nil)))
 607
 608 (defun wl-summary-window-scroll-functions ()
 609   (cond ((and wl-summary-highlight
 610               wl-summary-lazy-highlight
 611               wl-summary-lazy-update-mark)
 612          (list 'wl-summary-update-mark-and-highlight-window))
 613         ((and wl-summary-highlight
 614               wl-summary-lazy-highlight)
 615          (list 'wl-highlight-summary-window))
 616         (wl-summary-lazy-update-mark
 617          (list 'wl-summary-update-mark-window))))
 618
 619 (defun wl-summary-after-resize-function (frame)
 620   "Called from `window-size-change-functions'."
 621   (save-excursion
 622     (save-selected-window
 623       (select-frame frame)
 624       (walk-windows
 625        (lambda (window)
 626          (set-buffer (window-buffer window))
 627          (when (eq major-mode 'wl-summary-mode)
 628            (run-hook-with-args 'wl-summary-buffer-window-scroll-functions
 629                                window)))
 630        'nomini frame))))
 631
 632 ;; Handler of event from elmo-folder
 633 (defun wl-summary-update-persistent-mark-on-event (buffer numbers)
 634   (save-excursion
 635     (set-buffer buffer)
 636     (if wl-summary-lazy-update-mark
 637         (let ((window-list (get-buffer-window-list (current-buffer) 'nomini t))
 638               invalidate)
 639           (dolist (number numbers)
 640             (when (wl-summary-message-visible-p number)
 641               (if (catch 'visible
 642                     (let ((window-list window-list)
 643                           win)
 644                       (while (setq win (car window-list))
 645                         (when (wl-summary-jump-to-msg number
 646                                                       (window-start win)
 647                                                       (window-end win))
 648                           (throw 'visible t))
 649                         (setq window-list (cdr window-list)))))
 650                   (wl-summary-update-persistent-mark number)
 651                 (setq invalidate t))))
 652           (when invalidate
 653             (wl-summary-invalidate-persistent-mark)
 654             (dolist (win window-list)
 655               (wl-summary-validate-persistent-mark
 656                (window-start win)
 657                (window-end win)))))
 658       (dolist (number numbers)
 659         (when (and (wl-summary-message-visible-p number)
 660                    (wl-summary-jump-to-msg number))
 661           (wl-summary-update-persistent-mark number))))))
 662
 663 (defun wl-summary-buffer-attach ()
 664   (when wl-summary-buffer-elmo-folder
 665     (elmo-connect-signal
 666      wl-summary-buffer-elmo-folder
 667      'flag-changed
 668      (current-buffer)
 669      (elmo-define-signal-handler (buffer folder numbers)
 670        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 671     (elmo-connect-signal
 672      wl-summary-buffer-elmo-folder
 673      'cache-changed
 674      (current-buffer)
 675      (elmo-define-signal-handler (buffer folder number)
 676        (wl-summary-update-persistent-mark-on-event buffer (list number))))
 677     (elmo-connect-signal
 678      wl-summary-buffer-elmo-folder
 679      'update-overview
 680      (current-buffer)
 681      (elmo-define-signal-handler (buffer folder number)
 682        (with-current-buffer buffer
 683          (wl-summary-rescan-message number))))))
 684
 685 (defun wl-summary-buffer-detach ()
 686   (when (and (eq major-mode 'wl-summary-mode)
 687              wl-summary-buffer-elmo-folder)
 688     (elmo-disconnect-signal 'flag-changed (current-buffer))
 689     (elmo-disconnect-signal 'cache-changed (current-buffer))
 690     (elmo-disconnect-signal 'update-overview (current-buffer))))
 691
 692 (defun wl-status-update ()
 693   (interactive)
 694   (wl-address-init))
 695
 696 (defun wl-summary-display-top ()
 697   (interactive)
 698   (goto-char (point-min))
 699   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 700   (if wl-summary-buffer-disp-msg
 701       (wl-summary-redisplay)))
 702
 703 (defun wl-summary-display-bottom ()
 704   (interactive)
 705   (goto-char (point-max))
 706   (forward-line -1)
 707   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 708   (if wl-summary-buffer-disp-msg
 709       (wl-summary-redisplay)))
 710
 711 (defun wl-summary-count-unread ()
 712   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 713     (setq wl-summary-buffer-new-count
 714           (or (cdr (assq 'new flag-count)) 0)
 715           wl-summary-buffer-unread-count
 716           (or (cdr (assq 'unread flag-count)) 0)
 717           wl-summary-buffer-answered-count
 718           (or (cdr (assq 'answered flag-count)) 0))
 719     flag-count))
 720
 721 (defun wl-summary-message-string (&optional use-cache)
 722   "Return full body string of current message.
 723 If optional USE-CACHE is non-nil, use cache if exists."
 724   (let ((number (wl-summary-message-number))
 725         (folder wl-summary-buffer-elmo-folder))
 726     (if (null number)
 727         (message "No message.")
 728       (elmo-message-fetch-string folder
 729                                  number
 730                                  (elmo-make-fetch-strategy
 731                                   'entire
 732                                   use-cache ; use cache
 733                                   nil ; save cache (should `t'?)
 734                                   (and
 735                                    use-cache
 736                                    (elmo-file-cache-get-path
 737                                     (elmo-message-field folder number
 738                                                         'message-id))))
 739                                  'unread))))
 740
 741 (defun wl-summary-reedit (&optional arg)
 742   "Re-edit current message.
 743 If ARG is non-nil, Supersedes message"
 744   (interactive "P")
 745   (wl-summary-toggle-disp-msg 'off)
 746   (cond
 747    ((null (wl-summary-message-number))
 748     (message "No message."))
 749    (arg
 750     (wl-summary-supersedes-message))
 751    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 752     (wl-draft-reedit (wl-summary-message-number))
 753     (if (wl-message-news-p)
 754         (mail-position-on-field "Newsgroups")
 755       (mail-position-on-field "To")))
 756    (t
 757     (wl-draft-edit-string (wl-summary-message-string 'maybe)))))
 758
 759 (defun wl-summary-resend-bounced-mail ()
 760   "Re-mail the current message.
 761 This only makes sense if the current message is a bounce message which
 762 contains some mail you have written but has been bounced back to
 763 you."
 764   (interactive)
 765   (wl-summary-toggle-disp-msg 'off)
 766   (save-excursion
 767     (wl-summary-set-message-buffer-or-redisplay)
 768     (set-buffer (wl-message-get-original-buffer))
 769     (goto-char (point-min))
 770     (let ((case-fold-search nil))
 771       (cond
 772        ((and
 773          (re-search-forward
 774           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 775          (not (bolp))
 776          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 777         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 778               start)
 779           (cond
 780            ((and (setq start (re-search-forward
 781                               (concat "^--" boundary "\n"
 782                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 783                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 784                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 785                                       "\\(.+\n\\)*\n") nil t))
 786                  (re-search-forward
 787                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 788             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 789            (t
 790             (message "Seems no message/rfc822 part.")))))
 791        ((let ((case-fold-search t))
 792           (re-search-forward wl-rejected-letter-start nil t))
 793         (skip-chars-forward " \t\n")
 794         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 795        (t
 796         (message "Does not appear to be a rejected letter."))))))
 797
 798 (defun wl-summary-detect-mark-position ()
 799   (let ((column wl-summary-buffer-number-column)
 800         (formatter wl-summary-buffer-line-formatter)
 801         (dummy-temp (char-to-string 200))
 802         ;; bind only for the check.
 803         (wl-summary-new-uncached-mark (char-to-string 201))
 804         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 805         (lang wl-summary-buffer-weekday-name-lang)
 806         wl-summary-highlight
 807         temp persistent)
 808     (with-temp-buffer
 809       (setq wl-summary-buffer-number-column column
 810             wl-summary-buffer-line-formatter formatter
 811             wl-summary-buffer-weekday-name-lang lang)
 812       (insert
 813        (wl-summary-create-line
 814         (elmo-msgdb-make-message-entity
 815          (luna-make-entity 'modb-entity-handler)
 816          :number 10000
 817          :from "foo"
 818          :subject "bar"
 819          :size 100)
 820         nil
 821         dummy-temp
 822         '(new)
 823         nil))
 824       (goto-char (point-min))
 825       (setq temp (save-excursion
 826                    (when (search-forward dummy-temp nil t)
 827                      (current-column)))
 828             persistent
 829             (save-excursion
 830               (when (search-forward wl-summary-new-uncached-mark nil t)
 831                 (current-column)))))
 832     (setq wl-summary-buffer-temp-mark-column temp
 833           wl-summary-buffer-persistent-mark-column persistent)))
 834
 835 (defun wl-summary-buffer-set-folder (folder)
 836   (wl-summary-buffer-detach)
 837   (if (stringp folder)
 838       (setq folder (wl-folder-get-elmo-folder folder)))
 839   (setq wl-summary-buffer-elmo-folder folder)
 840   (make-local-variable 'wl-message-buffer)
 841   (setq wl-summary-buffer-mime-charset (wl-folder-mime-charset
 842                                         (elmo-folder-name-internal folder)))
 843   (setq wl-summary-buffer-weekday-name-lang
 844         (or (wl-get-assoc-list-value
 845              wl-folder-weekday-name-lang-alist
 846              (elmo-folder-name-internal folder))
 847             wl-summary-weekday-name-lang))
 848   (setq wl-summary-buffer-thread-indent-set
 849         (wl-get-assoc-list-value
 850          wl-folder-thread-indent-set-alist
 851          (elmo-folder-name-internal folder)))
 852   (setq wl-summary-buffer-number-column
 853         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 854                                      (wl-summary-buffer-folder-name))
 855             wl-summary-default-number-column))
 856   (wl-line-formatter-setup
 857    wl-summary-buffer-line-formatter
 858    (setq wl-summary-buffer-line-format
 859          (or (wl-get-assoc-list-value
 860               wl-folder-summary-line-format-alist
 861               (elmo-folder-name-internal folder))
 862              wl-summary-line-format))
 863    wl-summary-line-format-spec-alist)
 864   (wl-line-formatter-setup
 865    wl-summary-buffer-mode-line-formatter
 866    wl-summary-mode-line-format
 867    wl-summary-mode-line-format-spec-alist)
 868   (setq wl-summary-buffer-persistent
 869         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 870   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 871   (wl-summary-buffer-attach)
 872   ;; process duplicates.
 873   (elmo-folder-set-process-duplicates-internal
 874    folder (cdr (elmo-string-matched-assoc
 875                 (elmo-folder-name-internal folder)
 876                 wl-folder-process-duplicates-alist)))
 877   (setq
 878    wl-thread-indent-level-internal
 879    (or (nth 0 wl-summary-buffer-thread-indent-set)
 880        wl-thread-indent-level)
 881    wl-thread-have-younger-brother-str-internal
 882    (or (nth 1 wl-summary-buffer-thread-indent-set)
 883        wl-thread-have-younger-brother-str)
 884    wl-thread-youngest-child-str-internal
 885    (or (nth 2 wl-summary-buffer-thread-indent-set)
 886        wl-thread-youngest-child-str)
 887    wl-thread-vertical-str-internal
 888    (or (nth 3 wl-summary-buffer-thread-indent-set)
 889        wl-thread-vertical-str)
 890    wl-thread-horizontal-str-internal
 891    (or (nth 4 wl-summary-buffer-thread-indent-set)
 892        wl-thread-horizontal-str)
 893    wl-thread-space-str-internal
 894    (or (nth 5 wl-summary-buffer-thread-indent-set)
 895        wl-thread-space-str))
 896   (run-hooks 'wl-summary-buffer-set-folder-hook))
 897
 898 (defun wl-summary-mode ()
 899   "Major mode for reading threaded messages.
 900 See Info under Wanderlust for full documentation.
 901
 902 Special commands:
 903 \\{wl-summary-mode-map}
 904
 905 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 906   (interactive)
 907   (unless (interactive-p) (kill-all-local-variables))
 908   (setq major-mode 'wl-summary-mode)
 909   (setq mode-name "Summary")
 910   (use-local-map wl-summary-mode-map)
 911 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 912   (setq buffer-read-only t)
 913   (setq truncate-lines t)
 914   (when (boundp 'show-trailing-whitespace)
 915     (setq show-trailing-whitespace nil))
 916 ;;;(make-local-variable 'tab-width)
 917 ;;;(setq tab-width 1)
 918   (buffer-disable-undo (current-buffer))
 919   (setq selective-display t
 920         selective-display-ellipses nil)
 921   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 922   (easy-menu-add wl-summary-mode-menu)
 923   (setq wl-summary-buffer-window-scroll-functions
 924         (wl-summary-window-scroll-functions))
 925   (when wl-summary-buffer-window-scroll-functions
 926     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 927       (make-local-hook hook)
 928       (dolist (function wl-summary-buffer-window-scroll-functions)
 929         (add-hook hook function nil t)))
 930     (add-hook 'window-size-change-functions
 931               #'wl-summary-after-resize-function))
 932   (dolist (hook '(change-major-mode-hook kill-buffer-hook))
 933     (make-local-hook hook)
 934     (add-hook hook #'wl-summary-buffer-detach nil t))
 935   ;; This hook may contain the function `wl-setup-summary' for reasons
 936   ;; of system internal to accord facilities for the Emacs variants.
 937   (run-hooks 'wl-summary-mode-hook))
 938
 939 ;;;
 940 (defun wl-summary-overview-entity-compare-by-size (x y)
 941    "Compare entity X and Y by size."
 942    (< (elmo-message-entity-field x 'size)
 943       (elmo-message-entity-field y 'size)))
 944
 945
 946 (defun wl-summary-overview-entity-compare-by-date (x y)
 947   "Compare entity X and Y by date."
 948   (condition-case nil
 949       (elmo-time<
 950        (elmo-message-entity-field x 'date)
 951        (elmo-message-entity-field y 'date))
 952     (error))) ;; ignore error.
 953
 954 (defun wl-summary-overview-entity-compare-by-number (x y)
 955    "Compare entity X and Y by number."
 956   (<
 957    (elmo-message-entity-number x)
 958    (elmo-message-entity-number y)))
 959
 960 (defun wl-summary-overview-entity-compare-by-from (x y)
 961   "Compare entity X and Y by from."
 962   (string<
 963    (or (elmo-message-entity-field x 'from)
 964        wl-summary-no-from-message)
 965    (or (elmo-message-entity-field y 'from)
 966        wl-summary-no-from-message)))
 967
 968 (defun wl-summary-overview-entity-compare-by-subject (x y)
 969   "Compare entity X and Y by subject."
 970   (string< (elmo-message-entity-field x 'subject)
 971            (elmo-message-entity-field y 'subject)))
 972
 973 (defun wl-summary-get-list-info (entity)
 974   "Returns (\"ML-name\" . ML-count) of ENTITY."
 975   (or (elmo-message-entity-field entity 'ml-info)
 976       (lexical-let ((entity entity))
 977         (let* ((getter (lambda (field)
 978                          (elmo-message-entity-field entity field)))
 979                (name (elmo-find-list-match-value
 980                       elmo-mailing-list-name-spec-list
 981                       getter))
 982                (count (elmo-find-list-match-value
 983                        elmo-mailing-list-count-spec-list
 984                        getter)))
 985           (cons name (and count (string-to-int count)))))))
 986
 987 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 988   "Compare entity X and Y by mailing-list info."
 989   (let* ((list-info-x (wl-summary-get-list-info x))
 990          (list-info-y (wl-summary-get-list-info y)))
 991     (if (equal (car list-info-x) (car list-info-y))
 992         (if (equal (cdr list-info-x) (cdr list-info-y))
 993             (wl-summary-overview-entity-compare-by-date x y)
 994           (< (or (cdr list-info-x) 0)
 995              (or (cdr list-info-y) 0)))
 996       (string< (or (car list-info-x) "")
 997                (or (car list-info-y) "")))))
 998
 999 (defun wl-summary-sort-by-date (reverse)
1000   "Sort summary lines into the order by message date; argument means descending order."
1001   (interactive "P")
1002   (wl-summary-rescan "date" reverse))
1003 (defun wl-summary-sort-by-number (reverse)
1004   "Sort summary lines into the order by message number; argument means descending order."
1005   (interactive "P")
1006   (wl-summary-rescan "number" reverse))
1007 (defun wl-summary-sort-by-subject (reverse)
1008   "Sort summary lines into the order by subject; argument means descending order."
1009   (interactive "P")
1010   (wl-summary-rescan "subject" reverse))
1011 (defun wl-summary-sort-by-from (reverse)
1012   "Sort summary lines into the order by from; argument means descending order."
1013   (interactive "P")
1014   (wl-summary-rescan "from" reverse))
1015 (defun wl-summary-sort-by-list-info (reverse)
1016   "Sort summary lines into the order by mailing list info; argument means descending order."
1017   (interactive "P")
1018   (wl-summary-rescan "list-info" reverse))
1019 (defun wl-summary-sort-by-size (reverse)
1020   "Sort summary lines into the order by message size; argument means descending order."
1021   (interactive "P")
1022   (wl-summary-rescan "size" reverse))
1023
1024 (defun wl-summary-sort-function-from-spec (spec reverse)
1025   (let (funtion)
1026     (when (string-match "^!\\(.+\\)$" spec)
1027       (setq spec (match-string 1 spec)
1028             reverse (not reverse)))
1029     (setq funtion
1030           (intern (format "wl-summary-overview-entity-compare-by-%s" spec)))
1031     (if reverse
1032         `(lambda (x y) (not (,funtion x y)))
1033       funtion)))
1034
1035 (defun wl-summary-sort-messages (numbers sort-by reverse)
1036   (let* ((functions (mapcar
1037                      (lambda (spec)
1038                        (wl-summary-sort-function-from-spec spec reverse))
1039                      (if (listp sort-by) sort-by (list sort-by))))
1040          (predicate (if (= (length functions) 1)
1041                         (car functions)
1042                       (lambda (x y)
1043                         (let ((functions functions))
1044                           (catch 'done
1045                             (dolist (function functions)
1046                               (when (funcall function x y)
1047                                 (throw 'done t))
1048                               (when (funcall function y x)
1049                                 (throw 'done nil)))))))))
1050     (mapcar #'elmo-message-entity-number
1051             (sort (mapcar (lambda (number)
1052                             (elmo-message-entity
1053                              wl-summary-buffer-elmo-folder
1054                              number))
1055                           numbers)
1056                   predicate))))
1057
1058 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
1059   "Rescan current folder without updating."
1060   (interactive)
1061   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1062         gc-message                      ; for XEmacs
1063         (inhibit-read-only t)
1064         (buffer-read-only nil)
1065         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1066                                             (not disable-killed) t)) ; in-msgdb
1067         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1068                                                      wl-thread-entity-hashtb))
1069         (wl-summary-search-parent-by-subject-regexp
1070          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1071         (wl-summary-divide-thread-when-subject-changed
1072          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1073         (i 0)
1074         num
1075         expunged)
1076     (erase-buffer)
1077     (message "Re-scanning...")
1078     (when (and sort-by numbers)
1079       (let ((action  (if reverse "Reverse sorting" "Sorting")))
1080         (message "%s by %s..." action sort-by)
1081         (setq numbers (wl-summary-sort-messages numbers sort-by reverse))
1082         (message "%s by %s...done" action sort-by)))
1083     (setq num (length numbers))
1084     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1085           wl-thread-entity-list nil
1086           wl-thread-entities nil
1087           wl-summary-scored nil
1088           wl-summary-buffer-number-list nil
1089           wl-summary-buffer-persistent-mark-version 0
1090           wl-summary-buffer-target-mark-list nil
1091           wl-summary-buffer-temp-mark-list nil
1092           wl-summary-delayed-update nil)
1093     (elmo-kill-buffer wl-summary-search-buf-name)
1094     (while numbers
1095       (wl-summary-insert-message (elmo-message-entity
1096                                   wl-summary-buffer-elmo-folder
1097                                   (car numbers))
1098                                  wl-summary-buffer-elmo-folder
1099                                  nil)
1100       (setq numbers (cdr numbers))
1101       (when (> num elmo-display-progress-threshold)
1102         (setq i (+ i 1))
1103         (if (or (zerop (% i 5)) (= i num))
1104             (elmo-display-progress
1105              'wl-summary-rescan "Constructing summary structure..."
1106              (/ (* i 100) num)))))
1107     (when wl-summary-delayed-update
1108       (while wl-summary-delayed-update
1109         (message "Parent (%d) of message %d is no entity"
1110                  (caar wl-summary-delayed-update)
1111                  (elmo-message-entity-number
1112                   (cdar wl-summary-delayed-update)))
1113         (wl-summary-insert-message
1114          (cdar wl-summary-delayed-update)
1115          wl-summary-buffer-elmo-folder nil t)
1116         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1117     (message "Constructing summary structure...done")
1118     (if (eq wl-summary-buffer-view 'thread)
1119         (progn
1120           (message "Inserting thread...")
1121           (wl-thread-insert-top)
1122           (message "Inserting thread...done")))
1123     (when wl-use-scoring
1124       (wl-summary-score-headers (wl-summary-rescore-msgs
1125                                  wl-summary-buffer-number-list)
1126                                 t)
1127       (when (and wl-summary-scored
1128                  (setq expunged (wl-summary-score-update-all-lines)))
1129         (message "%d message(s) are expunged by scoring." (length expunged))))
1130     (wl-summary-set-message-modified)
1131     (wl-summary-count-unread)
1132     (wl-summary-update-modeline)
1133     (goto-char (point-max))
1134     (forward-line -1)
1135     (set-buffer-modified-p nil)))
1136
1137 (defun wl-summary-rescan-message (number &optional reparent)
1138   "Rescan current message without updating."
1139   (interactive (list (wl-summary-message-number) current-prefix-arg))
1140   (let ((start-number (wl-summary-message-number))
1141         (start-column (current-column)))
1142     (when (wl-summary-jump-to-msg number)
1143       (let* ((folder wl-summary-buffer-elmo-folder)
1144              (entity (elmo-message-entity folder number))
1145              (inhibit-read-only t))
1146         (if (eq wl-summary-buffer-view 'thread)
1147             (let* ((thread-entity (wl-thread-get-entity number))
1148                    (thread-parent (wl-thread-entity-get-parent thread-entity))
1149                    (entity-parent (elmo-message-entity-number
1150                                    (elmo-message-entity-parent folder entity)))
1151                    update-top-list)
1152               (if (and (not reparent)
1153                        (eq thread-parent entity-parent))
1154                   (progn
1155                     (wl-thread-entity-set-linked thread-entity nil)
1156                     (wl-thread-update-line-on-buffer-sub nil number))
1157                 (let ((replacements
1158                        (cons number
1159                              (wl-thread-entity-get-descendant thread-entity))))
1160                   (wl-thread-delete-message number 'deep 'update)
1161                   (wl-thread-cleanup-symbols replacements)
1162                   (dolist (number replacements)
1163                     (setq update-top-list
1164                           (nconc
1165                            update-top-list
1166                            (wl-summary-insert-thread
1167                             (elmo-message-entity folder number)
1168                             folder
1169                             'update))))
1170                   (when update-top-list
1171                     (wl-thread-update-indent-string-thread
1172                      (elmo-uniq-list update-top-list))))))
1173             (delete-region (point-at-bol) (1+ (point-at-eol)))
1174             (wl-summary-insert-line
1175              (wl-summary-create-line entity nil
1176                                      (wl-summary-temp-mark number)
1177                                      (elmo-message-flags folder number)
1178                                      (elmo-message-cached-p folder number)))))
1179       (when (and wl-summary-buffer-disp-msg
1180                  wl-summary-buffer-current-msg)
1181         (save-excursion
1182           (when (wl-summary-jump-to-msg wl-summary-buffer-current-msg)
1183             (wl-highlight-summary-displaying))))
1184       (wl-summary-set-message-modified)
1185       (wl-summary-jump-to-msg start-number)
1186       (move-to-column start-column))))
1187
1188 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1189   (if (and next-entity
1190            wl-auto-select-next)
1191       (let (retval)
1192         (wl-summary-toggle-disp-msg 'off)
1193         (unwind-protect
1194             (setq retval
1195                   (wl-summary-goto-folder-subr next-entity
1196                                                'force-update
1197                                                nil
1198                                                nil ; not sticky
1199                                                t   ; interactive!
1200                                                ))
1201           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1202           (if (and (eq retval 'more-next)
1203                    (memq wl-auto-select-next '(unread skip-no-unread))
1204                    (memq this-command wl-summary-next-no-unread-command))
1205               (if upward
1206                   (wl-summary-up
1207                    t (eq wl-auto-select-next 'skip-no-unread))
1208                 (goto-char (point-max))
1209                 (forward-line -1)
1210                 (wl-summary-down
1211                  t (eq wl-auto-select-next 'skip-no-unread))))))
1212     (wl-summary-exit)))
1213
1214 (defun wl-summary-entity-info-msg (entity finfo)
1215   (or (and entity
1216            (concat
1217             (if (memq 'ask-folder wl-use-folder-petname)
1218                 (wl-folder-get-petname entity)
1219               entity)
1220             (if (null (car finfo))
1221                 " (? new/? unread)"
1222               (format
1223                " (%d new/%d unread)"
1224                (nth 0 finfo)
1225                (+ (nth 0 finfo)
1226                   (nth 1 finfo))))))
1227       "folder mode"))
1228
1229 (defun wl-summary-set-message-modified ()
1230   (setq wl-summary-buffer-message-modified t))
1231 (defun wl-summary-message-modified-p ()
1232   wl-summary-buffer-message-modified)
1233 (defun wl-summary-set-thread-modified ()
1234   (setq wl-summary-buffer-thread-modified t))
1235 (defun wl-summary-thread-modified-p ()
1236   wl-summary-buffer-thread-modified)
1237
1238 (defun wl-summary-exec-with-confirmation (&optional message)
1239   (when wl-summary-buffer-temp-mark-list
1240     (if (y-or-n-p (or message
1241                       (format "Execute marks in %s? "
1242                               (wl-summary-buffer-folder-name))))
1243         (progn
1244           (wl-summary-exec)
1245           (if wl-summary-buffer-temp-mark-list
1246               (error "Some execution was failed")))
1247       ;; temp-mark-list is remained.
1248       (message ""))))
1249
1250 (defun wl-summary-cleanup-temp-marks ()
1251   (when wl-summary-buffer-temp-mark-list
1252     (wl-summary-exec-with-confirmation
1253      (format "Execute marks in %s? (answer \"n\" to discard them) "
1254              (wl-summary-buffer-folder-name)))
1255     (wl-summary-delete-all-temp-marks 'no-msg)
1256     (setq wl-summary-scored nil)))
1257
1258 ;; a subroutine for wl-summary-exit/wl-save-status
1259 ;; Note that folder is not commited here.
1260 (defun wl-summary-save-view ()
1261   ;; already in summary buffer.
1262   (when wl-summary-buffer-persistent
1263     ;; save the current summary buffer view.
1264     (if (and wl-summary-cache-use
1265              (or (wl-summary-message-modified-p)
1266                  (wl-summary-thread-modified-p)))
1267         (wl-summary-save-view-cache))))
1268
1269 (defun wl-summary-save-status ()
1270   "Save summary view and msgdb."
1271   (interactive)
1272   (if (interactive-p) (message "Saving summary status..."))
1273   (wl-summary-save-view)
1274   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1275   (elmo-folder-check wl-summary-buffer-elmo-folder)
1276   (if wl-use-scoring (wl-score-save))
1277   (if (interactive-p) (message "Saving summary status...done")))
1278
1279 (defun wl-summary-force-exit ()
1280   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1281   (interactive)
1282   (wl-summary-exit 'force-exit))
1283
1284 (defun wl-summary-exit (&optional force-exit)
1285   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1286   (interactive "P")
1287   (let ((summary-buf (current-buffer))
1288         (sticky (wl-summary-sticky-p))
1289         summary-win
1290         message-buf message-win
1291         folder-buf folder-win)
1292     (run-hooks 'wl-summary-exit-pre-hook)
1293     (if wl-summary-buffer-exit-function
1294         (funcall wl-summary-buffer-exit-function)
1295       (if (or force-exit (not sticky))
1296           (wl-summary-cleanup-temp-marks))
1297       (unwind-protect
1298           ;; save summary status
1299           (progn
1300             (wl-summary-save-view)
1301             (if (or force-exit (not sticky))
1302                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1303               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1304               (elmo-folder-check wl-summary-buffer-elmo-folder))
1305             (if wl-use-scoring (wl-score-save)))
1306         ;; for sticky summary
1307         (wl-delete-all-overlays)
1308         (setq wl-summary-buffer-disp-msg nil)
1309         (elmo-kill-buffer wl-summary-search-buf-name)
1310         ;; delete message window if displayed.
1311         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1312             (delete-window (get-buffer-window wl-message-buffer)))
1313         (if (and wl-summary-use-frame
1314                  (> (length (visible-frame-list)) 1))
1315             (delete-frame))
1316         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1317             (if wl-summary-use-frame
1318                 (let (select-frame)
1319                   (save-selected-window
1320                     (dolist (frame (visible-frame-list))
1321                       (select-frame frame)
1322                       (if (get-buffer-window folder-buf)
1323                           (setq select-frame frame))))
1324                   (if select-frame
1325                       (select-frame select-frame)
1326                     (switch-to-buffer folder-buf)))
1327               (if (setq folder-win (get-buffer-window folder-buf))
1328                   ;; folder win is already displayed.
1329                   (select-window folder-win)
1330                 ;; folder win is not displayed.
1331                 (switch-to-buffer folder-buf)))
1332           ;; currently no folder buffer
1333           (wl-folder))
1334         (and wl-folder-move-cur-folder
1335              wl-folder-buffer-cur-point
1336              (goto-char wl-folder-buffer-cur-point))
1337         (setq wl-folder-buffer-cur-path nil)
1338         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1339         (setq wl-folder-buffer-cur-entity-id nil)
1340         (wl-delete-all-overlays)
1341         (if wl-summary-exit-next-move
1342             (wl-folder-next-unsync t)
1343           (beginning-of-line))
1344         (if (setq summary-win (get-buffer-window summary-buf))
1345             (delete-window summary-win))
1346         (if (or force-exit
1347                 (not sticky))
1348             (progn
1349               (set-buffer summary-buf)
1350               (kill-buffer summary-buf)))
1351         (run-hooks 'wl-summary-exit-hook)))))
1352
1353 (defun wl-summary-suspend ()
1354   (interactive)
1355   (wl-summary-exit)
1356   (wl-folder-suspend))
1357
1358 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1359   (interactive)
1360   (wl-summary-sync-update unset-cursor nil nil no-check))
1361
1362 (defsubst wl-summary-sync-all-init ()
1363   (wl-summary-cleanup-temp-marks)
1364   (erase-buffer)
1365   (wl-summary-set-message-modified)
1366   (setq wl-thread-entity-hashtb (elmo-make-hash
1367                                  (* (elmo-folder-length
1368                                      wl-summary-buffer-elmo-folder)
1369                                     2)))
1370   (setq wl-thread-entity-list nil)
1371   (setq wl-thread-entities nil)
1372   (setq wl-summary-buffer-number-list nil)
1373   (setq wl-summary-buffer-target-mark-list nil)
1374   (setq wl-summary-buffer-temp-mark-list nil))
1375
1376 (defun wl-summary-sync (&optional unset-cursor force-range)
1377   (interactive)
1378   (let* ((folder wl-summary-buffer-elmo-folder)
1379          (inhibit-read-only t)
1380          (buffer-read-only nil)
1381          (msgdb-dir (elmo-folder-msgdb-path folder))
1382          (range (or force-range (wl-summary-input-range
1383                                  (elmo-folder-name-internal folder)))))
1384     (cond ((string-match "rescan" range)
1385            (let ((msg (wl-summary-message-number))
1386                  (wl-use-scoring (if (string-match "noscore" range)
1387                                      nil
1388                                    wl-use-scoring)))
1389              (wl-summary-rescan nil
1390                                 nil
1391                                 (string-match "noscore" range)
1392                                 (string-match "thread" range))
1393              (and msg (wl-summary-jump-to-msg msg))))
1394           ((string= range "mark")
1395            (let ((msg (wl-summary-message-number)))
1396              (call-interactively 'wl-summary-sync-marks)
1397              (and msg (wl-summary-jump-to-msg msg))))
1398           ((string= range "cache-status")
1399            (let ((msg (wl-summary-message-number)))
1400              (wl-summary-resume-cache-status)
1401              (and msg (wl-summary-jump-to-msg msg))))
1402           ((string= range "no-sync"))
1403           ((or (string-match "^last:" range)
1404                (string-match "^first:" range))
1405            (wl-summary-goto-folder-subr (concat "/" range "/"
1406                                                 (elmo-folder-name-internal
1407                                                  folder))
1408                                         'force-update nil nil t))
1409           (t
1410            (wl-summary-sync-update unset-cursor
1411                                    (string-match "entirely" range)
1412                                    (string-match "all" range))))))
1413
1414 (defvar wl-summary-edit-addresses-candidate-fields
1415   ;; First element becomes default.
1416   '("from" "to" "cc"))
1417
1418 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1419   (let ((fields wl-summary-edit-addresses-candidate-fields)
1420         body candidates components)
1421     (while fields
1422       (setq body
1423             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1424                        ","))
1425       (setq body (wl-parse-addresses body))
1426       (if body (setq candidates (append candidates body)))
1427       (setq fields (cdr fields)))
1428     (setq candidates (elmo-uniq-list candidates))
1429     (elmo-with-enable-multibyte
1430       (mapcar (function
1431                (lambda (x)
1432                  (setq components (std11-extract-address-components x))
1433                  (cons (nth 1 components)
1434                        (and (car components)
1435                             (eword-decode-string
1436                              (decode-mime-charset-string
1437                               (car components)
1438                               mime-charset))))))
1439               candidates))))
1440
1441 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1442   ;; returns nil if there's no change.
1443   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1444       (let (char)
1445         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1446                  the-email)
1447         (while (not (or (eq (setq char (read-char)) ?\r)
1448                         (eq char ?\n)
1449                         (eq char ? )
1450                         (eq char ?e)
1451                         (eq char ?c)
1452                         (eq char ?d)))
1453           (message
1454            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1455         (cond
1456          ((or (eq char ?e)
1457               (eq char ?\n)
1458               (eq char ?\r)
1459               (eq char ? ))
1460           ;; Change Addresses
1461           (wl-address-add-or-change
1462            the-email
1463            (wl-address-header-extract-realname
1464             (cdr (assoc
1465                   (let ((completion-ignore-case t) comp)
1466                     (setq comp
1467                           (try-completion the-email wl-address-completion-list))
1468                     (if (equal comp t) the-email comp))
1469                   wl-address-completion-list))))
1470           "edited")
1471          ((eq char ?d)
1472           ;; Delete Addresses
1473           (if (y-or-n-p (format "Delete '%s'? "
1474                                 the-email))
1475               (progn
1476                 (wl-address-delete the-email)
1477                 "deleted")
1478             (message "")
1479             nil))
1480          (t (message "")
1481             nil)))
1482     ;; Add Petname
1483     (wl-address-add-or-change the-email name-in-addr)
1484     "added"))
1485
1486 (defun wl-summary-edit-addresses (&optional addr-str)
1487   "Edit address book interactively.
1488 Optional argument ADDR-STR is used as a target address if specified."
1489   (interactive (if current-prefix-arg
1490                    (list (read-from-minibuffer "Target address: "))))
1491   (if (null (wl-summary-message-number))
1492       (message "No message.")
1493     (save-excursion
1494       (let* ((charset wl-summary-buffer-mime-charset)
1495              (candidates
1496               (with-current-buffer (wl-summary-get-original-buffer)
1497                 (wl-summary-edit-addresses-collect-candidate-fields
1498                  charset)))
1499              address pair result)
1500         (if addr-str
1501             (setq address addr-str)
1502           (when candidates
1503             (setq address (car (car candidates)))
1504             (setq address
1505                   (completing-read
1506                    (format "Target address (%s): " address)
1507                    (mapcar
1508                     (function (lambda (x) (cons (car x) (car x))))
1509                     candidates)
1510                    nil nil nil nil address))))
1511         (when address
1512           (setq pair (assoc address candidates))
1513           (unless pair
1514             (setq pair (cons address nil)))
1515           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1516             ;; update alias
1517             (wl-status-update)
1518             (setq address (assoc (car pair) wl-address-list))
1519             (if address
1520                 (message "%s, %s, <%s> is %s."
1521                          (nth 2 address)
1522                          (nth 1 address)
1523                          (nth 0 address)
1524                          result)))
1525 ;;; i'd like to update summary-buffer, but...
1526 ;;;     (wl-summary-rescan)
1527           (run-hooks 'wl-summary-edit-addresses-hook))))))
1528
1529 (defun wl-summary-incorporate (&optional arg)
1530   "Check and prefetch all uncached messages.
1531 If ARG is non-nil, checking is omitted."
1532   (interactive "P")
1533   (unless arg
1534     (save-excursion
1535       (wl-summary-sync-force-update)))
1536   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1537                                       wl-summary-incorporate-marks))
1538
1539 (defun wl-summary-force-prefetch ()
1540   "All uncached messages are cached."
1541   (interactive)
1542   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1543     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1544                                              'uncached 'in-msgdb))
1545           (count 0)
1546           wl-prefetch-confirm
1547           wl-prefetch-threshold
1548           (elmo-inhibit-display-retrieval-progress t)
1549           length msg)
1550       (save-excursion
1551         (goto-char (point-min))
1552         (setq length (length targets))
1553         (dolist (target targets)
1554           (when (if (not (wl-thread-entity-parent-invisible-p
1555                           (wl-thread-get-entity target)))
1556                     (progn
1557                       (wl-summary-jump-to-msg target)
1558                       (wl-summary-prefetch-msg
1559                        (wl-summary-message-number)))
1560                   (wl-summary-prefetch-msg target))
1561             (message "Retrieving... %d/%d" (incf count) length)))
1562         (message "Retrieved %d/%d message(s)" count length)))))
1563
1564 (defun wl-summary-prefetch-msg (number &optional arg)
1565   "Prefetch message and return non-nil value. If skipped, return nil."
1566   ;; prefetching procedure.
1567   (save-excursion
1568     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1569                                      number 'size))
1570            (file-cached (elmo-file-cache-exists-p
1571                          (elmo-message-field wl-summary-buffer-elmo-folder
1572                                              number 'message-id)))
1573            (force-read (and size
1574                             (or file-cached
1575                                 (and (null wl-prefetch-confirm) arg)
1576                                 (null wl-prefetch-threshold)
1577                                 (< size wl-prefetch-threshold))))
1578            mark new-mark)
1579       (ignore-errors
1580         (when (and (or arg (not file-cached))
1581                    size (not force-read) wl-prefetch-confirm)
1582           (let ((wl-message-entity (elmo-message-entity
1583                                     wl-summary-buffer-elmo-folder
1584                                     number)))
1585             (setq force-read
1586                   (save-restriction
1587                     (widen)
1588                     (y-or-n-p
1589                      (format
1590                       "Message from %s has %d bytes.  Prefetch it? "
1591                       (concat
1592                        "[ "
1593                        (save-match-data
1594                          (wl-set-string-width
1595                           17
1596                           (funcall
1597                            wl-summary-from-function
1598                            (elmo-delete-char
1599                             ?\"
1600                             (or
1601                              (elmo-message-entity-field
1602                               wl-message-entity
1603                               'from)
1604                              "??")))))
1605                        " ]")
1606                       size))))
1607             (message "")))              ; flush.
1608         (if force-read
1609             (save-excursion
1610               (save-match-data
1611                 ;; online
1612                 (when (or arg (not file-cached))
1613                   (elmo-message-encache wl-summary-buffer-elmo-folder
1614                                         number))
1615                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1616                                          number t))
1617               t)
1618           nil)))))
1619
1620 (defsubst wl-summary-narrow-to-region (beg end)
1621   (narrow-to-region
1622    (save-excursion
1623      (goto-char beg)
1624      (beginning-of-line)
1625      (point))
1626    (save-excursion
1627      (goto-char end)
1628      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1629      (point))))
1630
1631 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1632   (interactive "r")
1633   (let ((count 0)
1634         targets
1635         mark length
1636         entity msg
1637         start-pos pos)
1638     (save-excursion
1639       (setq start-pos (point))
1640       (save-restriction
1641         (wl-summary-narrow-to-region beg end)
1642         ;; collect prefetch targets.
1643         (message "Collecting marks...")
1644         (goto-char (point-min))
1645         (while (not (eobp))
1646           (setq mark (wl-summary-persistent-mark)
1647                 msg (wl-summary-message-number))
1648           (if (or (and (null prefetch-marks)
1649                        msg
1650                        (null (elmo-file-cache-exists-p
1651                               (elmo-message-field
1652                                wl-summary-buffer-elmo-folder
1653                                msg
1654                                'message-id))))
1655                   (member mark prefetch-marks))
1656               (setq targets (nconc targets (list msg))))
1657           (setq entity (wl-thread-get-entity msg))
1658           (if (or (not (eq wl-summary-buffer-view 'thread))
1659                   (wl-thread-entity-get-opened entity))
1660               (); opened. no hidden children.
1661             (setq targets (nconc
1662                            targets
1663                            (wl-thread-get-children-msgs-uncached
1664                             msg prefetch-marks))))
1665           (forward-line 1))
1666         (setq length (length targets))
1667         (message "Prefetching...")
1668         (while targets
1669           (when (if (not (wl-thread-entity-parent-invisible-p
1670                           (wl-thread-get-entity (car targets))))
1671                     (progn
1672                       (wl-summary-jump-to-msg (car targets))
1673                       (wl-summary-prefetch-msg
1674                        (wl-summary-message-number)))
1675                   (wl-summary-prefetch-msg (car targets)))
1676             (message "Prefetching... %d/%d message(s)"
1677                      (setq count (+ 1 count)) length))
1678           (setq targets (cdr targets)))
1679         (message "Prefetched %d/%d message(s)" count length)
1680         (cons count length)))))
1681
1682 (defun wl-summary-delete-marks-on-buffer (marks)
1683   (while marks
1684     (wl-summary-unmark (pop marks))))
1685
1686 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1687   (wl-summary-delete-marks-on-buffer copies))
1688
1689 ;;;
1690 (defun wl-summary-delete-all-target-marks ()
1691   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1692
1693 (defun wl-summary-number-list-from-region (beg end)
1694   (save-excursion
1695     (save-restriction
1696       (wl-summary-narrow-to-region beg end)
1697       (goto-char (point-min))
1698       (let (number-list)
1699         (if (eq wl-summary-buffer-view 'thread)
1700             (while (not (eobp))
1701               (let* ((number (wl-summary-message-number))
1702                      (entity (wl-thread-get-entity number)))
1703                 (setq number-list
1704                       (nconc number-list
1705                              (if (wl-thread-entity-get-opened entity)
1706                                  (list number)
1707                                (wl-thread-get-children-msgs number))))
1708                 (forward-line 1)))
1709           (while (not (eobp))
1710             (setq number-list
1711                   (nconc number-list (list (wl-summary-message-number))))
1712             (forward-line 1)))
1713         number-list))))
1714
1715 (defun wl-summary-mark-as-read-region (beg end)
1716   (interactive "r")
1717   (let ((number-list (wl-summary-number-list-from-region beg end)))
1718     (if (null number-list)
1719         (message "No message.")
1720       (wl-summary-mark-as-read number-list))))
1721
1722 (defun wl-summary-mark-as-unread-region (beg end)
1723   (interactive "r")
1724   (let ((number-list (wl-summary-number-list-from-region beg end)))
1725     (if (null number-list)
1726         (message "No message.")
1727       (wl-summary-mark-as-unread number-list))))
1728
1729 (defun wl-summary-set-flags-region (beg end &optional remove)
1730   (interactive "r\nP")
1731   (let ((number-list (wl-summary-number-list-from-region beg end)))
1732     (if (null number-list)
1733         (message "No message.")
1734       (wl-summary-set-flags-internal number-list nil nil remove)
1735       (wl-summary-count-unread)
1736       (wl-summary-update-modeline))))
1737
1738 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1739   (interactive "r\nP")
1740   (let ((number-list (wl-summary-number-list-from-region beg end))
1741         (remove (or remove
1742                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1743                                             (save-excursion
1744                                               (goto-char beg)
1745                                               (wl-summary-message-number))
1746                                             'answered))))
1747     (if (null number-list)
1748         (message "No message.")
1749       (wl-summary-set-persistent-mark-internal remove 'answered
1750                                                number-list
1751                                                nil nil (interactive-p))
1752       (wl-summary-count-unread)
1753       (wl-summary-update-modeline))))
1754
1755 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1756   (interactive "r\nP")
1757   (let ((number-list (wl-summary-number-list-from-region beg end))
1758         (remove (or remove
1759                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1760                                             (save-excursion
1761                                               (goto-char beg)
1762                                               (wl-summary-message-number))
1763                                             'important))))
1764     (if (null number-list)
1765         (message "No message.")
1766       (wl-summary-set-persistent-mark-internal remove 'important number-list
1767                                                nil nil (interactive-p))
1768       (wl-summary-count-unread)
1769       (wl-summary-update-modeline))))
1770
1771 (defun wl-summary-mark-as-read-all ()
1772   (interactive)
1773   (if (or (not (interactive-p))
1774           (y-or-n-p "Mark all messages as read? "))
1775       (let ((folder wl-summary-buffer-elmo-folder)
1776             (cur-buf (current-buffer)))
1777         (message "Setting all msgs as read...")
1778         (elmo-folder-unset-flag
1779          folder
1780          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1781          'unread)
1782         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1783         (setq wl-summary-buffer-unread-count 0)
1784         (setq wl-summary-buffer-new-count    0)
1785         (wl-summary-update-modeline)
1786         (message "Setting all msgs as read...done"))))
1787
1788 (defun wl-summary-delete-cache ()
1789   "Delete cache of current message."
1790   (interactive)
1791   (save-excursion
1792     (let* ((folder wl-summary-buffer-elmo-folder)
1793            number)
1794       (setq number (wl-summary-message-number))
1795       (elmo-message-set-cached folder number nil)
1796       (ignore-errors
1797         (elmo-file-cache-delete
1798          (elmo-file-cache-get-path
1799           (elmo-message-field wl-summary-buffer-elmo-folder
1800                               number
1801                               'message-id)))))))
1802
1803 (defun wl-summary-resume-cache-status ()
1804   "Resume the cache status of all messages in the current folder."
1805   (interactive)
1806   (let ((folder wl-summary-buffer-elmo-folder)
1807         number msgid)
1808     (message "Resuming cache status...")
1809     (save-excursion
1810       (goto-char (point-min))
1811       (while (not (eobp))
1812         (setq number (wl-summary-message-number))
1813         (setq msgid (elmo-message-field folder number 'message-id))
1814         (elmo-message-set-cached folder number
1815                                  (elmo-file-cache-exists-p msgid))
1816         (forward-line 1))
1817       (wl-summary-count-unread)
1818       (wl-summary-update-modeline)
1819       (message "Resuming cache status...done"))))
1820
1821 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1822   (interactive)
1823   (save-excursion
1824     (let ((inhibit-read-only t)
1825           (buffer-read-only nil)
1826           (msgs2 msgs)
1827           (len (length msgs))
1828           (i 0)
1829           ;(deleting-info (or deleting-info "Deleting..."))
1830           update-list)
1831       (elmo-kill-buffer wl-summary-search-buf-name)
1832       (while msgs
1833         (if (eq wl-summary-buffer-view 'thread)
1834             (progn
1835               ;; don't use wl-append(nconc), because list is broken. ...why?
1836               (setq update-list
1837                     (append update-list
1838                             (wl-thread-delete-message (car msgs))))
1839               (setq update-list (delq (car msgs) update-list)))
1840           (goto-char (point-min))
1841           (if (wl-summary-jump-to-msg (car msgs))
1842               (progn
1843                 (delete-region (point-at-bol) (point-at-eol))
1844                 (delete-char 1) ; delete '\n'
1845                 (setq wl-summary-buffer-number-list
1846                       (delq (car msgs) wl-summary-buffer-number-list)))))
1847 ;       (when (> len elmo-display-progress-threshold)
1848 ;         (setq i (1+ i))
1849 ;         (if (or (zerop (% i 5)) (= i len))
1850 ;             (elmo-display-progress
1851 ;              'wl-summary-delete-messages-on-buffer deleting-info
1852 ;              (/ (* i 100) len))))
1853         (setq msgs (cdr msgs)))
1854       (when (eq wl-summary-buffer-view 'thread)
1855         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1856         (wl-thread-cleanup-symbols msgs2))
1857       ;;(message (concat deleting-info "done"))
1858       (wl-summary-count-unread)
1859       (wl-summary-update-modeline)
1860       (wl-summary-folder-info-update))))
1861
1862 (defun wl-summary-update-status-marks (beg end &optional check)
1863   "Synchronize status marks on current buffer to the msgdb."
1864   (interactive "r")
1865   (save-excursion
1866     (goto-char beg)
1867     (while (and (< (point) end) (not (eobp)))
1868       (when (or (not check)
1869                 (wl-summary-persistent-mark-invalid-p))
1870         (wl-summary-update-persistent-mark))
1871       (forward-line 1))))
1872
1873 (defun wl-summary-update-mark-window (&optional win beg)
1874   "Update persistent mark in visible summary window.
1875 This function is defined for `window-scroll-functions'"
1876   (with-current-buffer (window-buffer win)
1877     (when (eq major-mode 'wl-summary-mode)
1878       (let ((start (window-start win))
1879             (end (condition-case nil
1880                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1881                    (error (window-end win)))))
1882         (wl-summary-update-status-marks start end 'check)))))
1883
1884 (defun wl-summary-insert-message (&rest args)
1885   (if (eq wl-summary-buffer-view 'thread)
1886       (apply 'wl-summary-insert-thread args)
1887     (apply 'wl-summary-insert-sequential args)))
1888
1889 (defun wl-summary-sort (reverse)
1890   "Sort summary lines into the selected order; argument means descending order."
1891   (interactive "P")
1892   (let ((default-value (symbol-name wl-summary-default-sort-spec)))
1893     (wl-summary-rescan
1894      (wl-completing-read-multiple
1895       (format "%s by (%s): " (if reverse "Reverse sort" "Sort") default-value)
1896       (nconc
1897        (mapcar (lambda (spec) (list (symbol-name spec)))
1898                wl-summary-sort-specs)
1899        (mapcar (lambda (spec) (list (concat "!" (symbol-name spec))))
1900                wl-summary-sort-specs))
1901       nil t nil nil
1902       default-value)
1903      reverse)))
1904
1905 (defun wl-summary-get-available-flags (&optional include-specials)
1906   (let ((flags (elmo-uniq-list
1907                 (append elmo-global-flags
1908                         (copy-sequence elmo-preserved-flags))
1909                 #'delq)))
1910     (if include-specials
1911         flags
1912       (delq 'new (delq 'cached flags)))))
1913
1914 (defun wl-summary-sync-marks ()
1915   "Update persistent marks in summary."
1916   (interactive)
1917   (let ((mes "Updated ")
1918         diff diffs)
1919     (message "Updating marks...")
1920     (dolist (flag (wl-summary-get-available-flags))
1921       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1922                                   wl-summary-buffer-elmo-folder
1923                                   flag)
1924                                  (elmo-folder-list-flagged
1925                                   wl-summary-buffer-elmo-folder
1926                                   flag 'in-msgdb)))
1927       (setq diffs (cadr diff))
1928       (setq mes (concat mes (format "-%d" (length diffs))))
1929       (when diffs
1930         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1931       (setq diffs (car diff)
1932             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1933       (when diffs
1934         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1935     (if (interactive-p) (message "%s" mes))))
1936
1937 (defun wl-summary-sync-update (&optional unset-cursor
1938                                          disable-killed
1939                                          sync-all
1940                                          no-check)
1941   "Update the summary view to the newest folder status."
1942   (interactive)
1943   (let* ((folder wl-summary-buffer-elmo-folder)
1944          (elmo-mime-charset wl-summary-buffer-mime-charset)
1945          (inhibit-read-only t)
1946          (buffer-read-only nil)
1947          gc-message                     ; for XEmacs
1948          crossed expunged mes)
1949     (unwind-protect
1950         (progn
1951           (unless wl-summary-buffer-elmo-folder
1952             (error "(Internal error) Folder is not set:%s" (buffer-name
1953                                                             (current-buffer))))
1954           ;; Flush pending append operations (disconnected operation).
1955           ;;(setq seen-list
1956           ;;(wl-summary-flush-pending-append-operations seen-list))
1957           (goto-char (point-max))
1958           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1959           (setq crossed (elmo-folder-synchronize folder
1960                                                  disable-killed
1961                                                  sync-all
1962                                                  no-check))
1963           (if crossed
1964               (let ((wl-summary-highlight
1965                      (and wl-summary-highlight
1966                           (not wl-summary-lazy-highlight)))
1967                     append-list delete-list
1968                     update-thread update-top-list
1969                     num diff entity
1970                     (i 0))
1971                 ;; Setup sync-all
1972                 (if sync-all (wl-summary-sync-all-init))
1973                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1974                                             folder
1975                                             (not disable-killed)
1976                                             'in-msgdb)
1977                                            wl-summary-buffer-number-list))
1978                 (setq append-list (sort (car diff) #'<))
1979                 (setq delete-list (cadr diff))
1980
1981                 (when delete-list
1982                   (wl-summary-delete-messages-on-buffer delete-list))
1983                 (unless wl-summary-lazy-update-mark
1984                   (wl-summary-update-status-marks (point-min) (point-max)))
1985                 (when (and wl-summary-lazy-highlight
1986                            wl-summary-lazy-update-mark)
1987                   (let (buffer-read-only)
1988                     (put-text-property (point-min) (point-max) 'face nil)))
1989                 (setq num (length append-list))
1990                 (setq wl-summary-delayed-update nil)
1991                 (elmo-kill-buffer wl-summary-search-buf-name)
1992                 (dolist (number append-list)
1993                   (setq entity (elmo-message-entity folder number))
1994                   (when (setq update-thread
1995                               (wl-summary-insert-message
1996                                entity folder
1997                                (not sync-all)))
1998                     (wl-append update-top-list update-thread))
1999                   (if elmo-use-database
2000                       (elmo-database-msgid-put
2001                        (elmo-message-entity-field entity 'message-id)
2002                        (elmo-folder-name-internal folder)
2003                        (elmo-message-entity-number entity)))
2004                   (when (> num elmo-display-progress-threshold)
2005                     (setq i (+ i 1))
2006                     (if (or (zerop (% i 5)) (= i num))
2007                         (elmo-display-progress
2008                          'wl-summary-sync-update
2009                          (if (eq wl-summary-buffer-view 'thread)
2010                              "Making thread..."
2011                            "Inserting message...")
2012                          (/ (* i 100) num)))))
2013                 (when wl-summary-delayed-update
2014                   (while wl-summary-delayed-update
2015                     (message "Parent (%d) of message %d is no entity"
2016                              (caar wl-summary-delayed-update)
2017                              (elmo-message-entity-number
2018                               (cdar wl-summary-delayed-update)))
2019                     (when (setq update-thread
2020                                 (wl-summary-insert-message
2021                                  (cdar wl-summary-delayed-update)
2022                                  wl-summary-buffer-elmo-folder
2023                                  (not sync-all) t))
2024                       (wl-append update-top-list update-thread))
2025                     (setq wl-summary-delayed-update
2026                           (cdr wl-summary-delayed-update))))
2027                 (when (and (eq wl-summary-buffer-view 'thread)
2028                            update-top-list)
2029                   (wl-thread-update-indent-string-thread
2030                    (elmo-uniq-list update-top-list)))
2031                 (message (if (eq wl-summary-buffer-view 'thread)
2032                              "Making thread...done"
2033                            "Inserting message...done"))
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                   (message "Inserting message...")
2039                   (wl-thread-insert-top)
2040                   (message "Inserting message...done"))
2041                 (if elmo-use-database
2042                     (elmo-database-close))
2043                 (run-hooks 'wl-summary-sync-updated-hook)
2044                 (setq mes
2045                       (if (and (eq (length delete-list) 0)
2046                                (eq num 0))
2047                           (format
2048                            "No updates for \"%s\"" (elmo-folder-name-internal
2049                                                     folder))
2050                         (format "Updated (-%d/+%d) message(s)"
2051                                 (length delete-list) num))))
2052             (setq mes "Quit updating")))
2053       ;; synchronize marks.
2054       (if (and crossed wl-summary-auto-sync-marks)
2055           (wl-summary-sync-marks))
2056       ;; scoring
2057       (when wl-use-scoring
2058         (setq wl-summary-scored nil)
2059         (wl-summary-score-headers (and sync-all
2060                                        (wl-summary-rescore-msgs
2061                                         wl-summary-buffer-number-list))
2062                                   sync-all)
2063         (when (and wl-summary-scored
2064                    (setq expunged (wl-summary-score-update-all-lines)))
2065           (setq mes (concat mes
2066                             (format " (%d expunged)"
2067                                     (length expunged))))))
2068       (if (and crossed (> crossed 0))
2069           (setq mes
2070                 (if mes
2071                     (concat mes
2072                             (format " (%d crosspost)" crossed))
2073                   (format "%d crosspost message(s)" crossed)))
2074         (and mes (setq mes (concat mes "."))))
2075       ;; Update Folder mode
2076       (wl-folder-set-folder-updated
2077        (elmo-folder-name-internal folder)
2078        (list 0
2079              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
2080              (elmo-folder-length folder)))
2081       (wl-summary-update-modeline)
2082       ;;
2083       (unless unset-cursor
2084         (goto-char (point-min))
2085         (if (not (wl-summary-cursor-down t))
2086             (progn
2087               (goto-char (point-max))
2088               (forward-line -1))
2089           (when (and wl-summary-highlight
2090                      (not wl-summary-lazy-highlight)
2091                      (not (get-text-property (point) 'face)))
2092             (save-excursion
2093               (forward-line (- 0
2094                                (or
2095                                 wl-summary-partial-highlight-above-lines
2096                                 wl-summary-highlight-partial-threshold)))
2097               (wl-highlight-summary (point) (point-max))))))
2098       (wl-delete-all-overlays)
2099       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2100       (set-buffer-modified-p nil)
2101       (if mes (message "%s" mes)))))
2102
2103 (defun wl-summary-set-score-mark (mark)
2104   (save-excursion
2105     (beginning-of-line)
2106     (let ((cur-mark (wl-summary-temp-mark)))
2107       (when (member cur-mark (list " "
2108                                    wl-summary-score-below-mark
2109                                    wl-summary-score-over-mark))
2110         (wl-summary-put-temp-mark mark)
2111         (if wl-summary-highlight
2112             (wl-highlight-summary-current-line))
2113         (set-buffer-modified-p nil)))))
2114
2115 (defun wl-summary-get-score-mark (msg-num)
2116   (let ((score (cdr (assq msg-num wl-summary-scored))))
2117     (if score
2118         (cond ((< score wl-summary-default-score)
2119                "-")
2120               ((> score wl-summary-default-score)
2121                "+")))))
2122
2123 (defun wl-summary-update-modeline ()
2124   (setq wl-summary-buffer-mode-line
2125         (funcall wl-summary-buffer-mode-line-formatter)))
2126
2127 (defun wl-summary-jump-to-msg (&optional number beg end)
2128   (interactive "NJump to Message (No.): ")
2129   (when number
2130     (let ((pos (point))
2131           regexp)
2132       (setq regexp (concat "\r" (int-to-string number) "[^0-9]"))
2133       (if (and beg end (or (< pos beg) (< end pos)))
2134           (progn
2135             (goto-char beg)
2136             (if (re-search-forward regexp end t)
2137                 (progn (backward-char 1) (beginning-of-line) t)
2138               (goto-char pos)
2139               nil))
2140         (beginning-of-line)
2141         (if (or (and (re-search-forward regexp end t)
2142                      (progn (backward-char 1) t))
2143                 (re-search-backward regexp beg t))
2144             (progn (beginning-of-line) t)
2145           nil)))))
2146
2147 (defun wl-summary-highlight-msgs (msgs)
2148   (save-excursion
2149     (let ((len (length msgs))
2150           i)
2151       (message "Hilighting...")
2152       (setq i 0)
2153       (while msgs
2154         (if (wl-summary-jump-to-msg (car msgs))
2155             (wl-highlight-summary-current-line))
2156         (setq msgs (cdr msgs))
2157         (when (> len elmo-display-progress-threshold)
2158           (setq i (+ i 1))
2159           (if (or (zerop (% i 5)) (= i len))
2160               (elmo-display-progress
2161                'wl-summary-highlight-msgs "Highlighting..."
2162                (/ (* i 100) len)))))
2163       (message "Highlighting...done"))))
2164
2165 (defun wl-summary-message-number ()
2166   (save-excursion
2167     (beginning-of-line)
2168     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2169             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2170         (string-to-int (wl-match-buffer 1))
2171       nil)))
2172
2173 (defun wl-summary-delete-all-msgs ()
2174   (interactive)
2175   (let ((cur-buf (current-buffer))
2176         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2177     (set-buffer cur-buf)
2178     (if (null dels)
2179         (message "No message to delete.")
2180       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2181                             (wl-summary-buffer-folder-name)
2182                             (length dels)))
2183           (progn
2184             (message "Deleting...")
2185             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2186                                        'null)
2187             (wl-summary-set-message-modified)
2188             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2189                                           (list 0 0 0))
2190 ;;; for thread.
2191 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2192             (setq wl-summary-buffer-unread-count 0)
2193             (setq wl-summary-buffer-new-count    0)
2194             (wl-summary-update-modeline)
2195             (set-buffer cur-buf)
2196             (let ((inhibit-read-only t)
2197                   (buffer-read-only nil))
2198               (erase-buffer))
2199 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2200             (message "Deleting...done")
2201             t)
2202         nil))))
2203
2204 (defun wl-summary-toggle-thread (&optional arg)
2205   "Toggle thread status (T)hread and (S)equential.
2206 If ARG, without confirm."
2207   (interactive "P")
2208   (when (or arg
2209             (y-or-n-p (format "Toggle threading? (y=%s): "
2210                               (if (eq wl-summary-buffer-view 'thread)
2211                                   "\"off\"" "\"on\""))))
2212     (if (eq wl-summary-buffer-view 'thread)
2213         (setq wl-summary-buffer-view 'sequence)
2214       (setq wl-summary-buffer-view 'thread))
2215     (wl-summary-update-modeline)
2216     (force-mode-line-update)
2217     (wl-summary-rescan nil nil nil t)))
2218
2219 (defun wl-summary-load-file-object (filename)
2220   "Load lisp object from dir."
2221   (with-temp-buffer
2222     (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
2223           insert-file-contents-post-hook
2224           ret-val)
2225       (if (not (file-readable-p filename))
2226           ()
2227         (as-binary-input-file (insert-file-contents filename))
2228         (condition-case nil
2229             (read (current-buffer))
2230           (error (error "Reading failed")))))))
2231
2232 (defun wl-summary-goto-folder (&optional arg)
2233   (interactive "P")
2234   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2235
2236 (defun wl-summary-goto-folder-sticky ()
2237   (interactive)
2238   (wl-summary-goto-folder-subr nil nil nil t t))
2239
2240 (defun wl-summary-goto-last-visited-folder ()
2241   (interactive)
2242   (let ((entity
2243          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2244                                           wl-folder-entity
2245                                           'folder)))
2246     (if entity (wl-folder-set-current-entity-id
2247                 (wl-folder-get-entity-id entity))))
2248   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2249
2250 (defun wl-summary-sticky-p (&optional folder)
2251   (if folder
2252       (get-buffer (wl-summary-sticky-buffer-name
2253                    (elmo-folder-name-internal folder)))
2254     (not (string= wl-summary-buffer-name (buffer-name)))))
2255
2256 (defun wl-summary-always-sticky-folder-p (folder)
2257   (or (eq t wl-summary-always-sticky-folder-list)
2258       (wl-string-match-member
2259        (elmo-folder-name-internal folder)
2260        wl-summary-always-sticky-folder-list)))
2261
2262 (defun wl-summary-stick (&optional force)
2263   "Make current summary buffer sticky."
2264   (interactive "P")
2265   (if (wl-summary-sticky-p)
2266       (message "Current summary buffer is already sticky.")
2267     (when (or force (y-or-n-p "Stick current summary buffer? "))
2268       (wl-summary-toggle-disp-msg 'off)
2269       (wl-summary-switch-to-clone-buffer
2270        (wl-summary-sticky-buffer-name
2271         (wl-summary-buffer-folder-name)))
2272 ;;; ???hang up
2273 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2274 ;;;                   (wl-summary-buffer-folder-name))))
2275       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2276
2277 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2278   (let ((cur-buf (current-buffer))
2279         (msg (wl-summary-message-number))
2280         (buf (get-buffer-create buffer-name))
2281         (folder wl-summary-buffer-elmo-folder)
2282         (copy-variables
2283          (append '(wl-summary-buffer-view
2284                    wl-summary-buffer-temp-mark-list
2285                    wl-summary-buffer-target-mark-list
2286                    wl-summary-buffer-elmo-folder
2287                    wl-summary-buffer-number-column
2288                    wl-summary-buffer-temp-mark-column
2289                    wl-summary-buffer-persistent-mark-column
2290                    wl-summary-buffer-message-modified
2291                    wl-summary-buffer-thread-modified
2292                    wl-summary-buffer-number-list
2293                    wl-summary-buffer-persistent-mark-version
2294                    wl-summary-buffer-folder-name
2295                    wl-summary-buffer-line-formatter)
2296                  (and (eq wl-summary-buffer-view 'thread)
2297                       '(wl-thread-entity-hashtb
2298                         wl-thread-entities
2299                         wl-thread-entity-list))
2300                  (and wl-use-scoring
2301                       '(wl-summary-scored
2302                         wl-summary-default-score
2303                         wl-summary-important-above
2304                         wl-summary-target-above
2305                         wl-summary-mark-below
2306                         wl-summary-expunge-below))
2307                  (and (featurep 'wl-score)
2308                       '(wl-current-score-file
2309                         wl-score-alist)))))
2310     (set-buffer buf)
2311     (wl-summary-mode)
2312     (wl-summary-buffer-set-folder folder)
2313     (let ((buffer-read-only nil))
2314       (insert-buffer cur-buf))
2315     (set-buffer-modified-p nil)
2316     (while copy-variables
2317       (set (car copy-variables)
2318            (save-excursion
2319              (set-buffer cur-buf)
2320              (symbol-value (car copy-variables))))
2321       (setq copy-variables (cdr copy-variables)))
2322     (switch-to-buffer buf)
2323     (kill-buffer cur-buf)
2324     (wl-summary-count-unread)
2325     (wl-summary-update-modeline)
2326     (if msg
2327         (if (eq wl-summary-buffer-view 'thread)
2328             (wl-thread-jump-to-msg msg)
2329           (wl-summary-jump-to-msg msg))
2330       (goto-char (point-max))
2331       (beginning-of-line))))
2332
2333 (defun wl-summary-get-buffer (folder)
2334   (or (and folder
2335            (get-buffer (wl-summary-sticky-buffer-name folder)))
2336       (get-buffer wl-summary-buffer-name)))
2337
2338 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2339   (if force-sticky
2340       (get-buffer-create
2341        (wl-summary-sticky-buffer-name name))
2342     (or (get-buffer (wl-summary-sticky-buffer-name name))
2343         (get-buffer-create wl-summary-buffer-name))))
2344
2345 (defun wl-summary-make-number-list ()
2346   (save-excursion
2347     (goto-char (point-min))
2348     (setq wl-summary-buffer-number-list nil)
2349     (while (not (eobp))
2350       (setq wl-summary-buffer-number-list
2351             (cons (wl-summary-message-number)
2352                   wl-summary-buffer-number-list))
2353       (forward-line 1))
2354     (setq wl-summary-buffer-number-list
2355           (nreverse wl-summary-buffer-number-list))))
2356
2357 (defun wl-summary-auto-select-msg-p (unread-msg)
2358   (and unread-msg
2359        (not (elmo-message-has-global-flag-p
2360              wl-summary-buffer-elmo-folder unread-msg))))
2361
2362 (defsubst wl-summary-open-folder (folder)
2363   ;; Select folder
2364   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2365     (unwind-protect
2366         (elmo-folder-open folder 'load-msgdb)
2367       ;; For compatibility
2368       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2369                                            folder)))))
2370
2371 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2372                                               sticky interactive scoring
2373                                               force-exit)
2374   "Display target folder on summary."
2375   (interactive)
2376   (let* ((keep-cursor (memq this-command
2377                             wl-summary-keep-cursor-command))
2378          (name (or name (wl-summary-read-folder wl-default-folder)))
2379          (cur-fld wl-summary-buffer-elmo-folder)
2380          folder buf mes hilit reuse-buf
2381          retval entity)
2382     (if (string= name "")
2383         (setq name wl-default-folder))
2384     (setq folder (wl-folder-get-elmo-folder name))
2385     (when (and (not (string=
2386                      (and cur-fld (elmo-folder-name-internal cur-fld))
2387                      (elmo-folder-name-internal folder))) ; folder is moved.
2388                (eq major-mode 'wl-summary-mode)) ; called in summary.
2389       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2390       (run-hooks 'wl-summary-exit-pre-hook)
2391       (if (or force-exit (not (wl-summary-sticky-p)))
2392           (wl-summary-cleanup-temp-marks))
2393       (wl-summary-save-view)
2394       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2395       (if (and (wl-summary-sticky-p) force-exit)
2396           (kill-buffer (current-buffer))))
2397     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2398                                             sticky))
2399     (setq reuse-buf
2400           (save-excursion
2401             (set-buffer buf)
2402             (string= (elmo-folder-name-internal folder)
2403                      (wl-summary-buffer-folder-name))))
2404     (unwind-protect
2405         (if reuse-buf
2406             (if interactive
2407                 (switch-to-buffer buf)
2408               (set-buffer buf))
2409           (if other-window
2410               (delete-other-windows))
2411           (set-buffer buf)
2412           (unless (eq major-mode 'wl-summary-mode)
2413             (wl-summary-mode))
2414           (wl-summary-buffer-set-folder folder)
2415           (setq wl-summary-buffer-display-mime-mode
2416                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2417                     'as-is
2418                   'mime))
2419           (setq wl-summary-buffer-disp-msg nil)
2420           (setq wl-summary-buffer-last-displayed-msg nil)
2421           (setq wl-summary-buffer-current-msg nil)
2422           (setq wl-summary-buffer-persistent-mark-version 0)
2423           (let ((inhibit-read-only t)
2424                 (buffer-read-only nil))
2425             (erase-buffer)
2426             ;; Resume summary view
2427             (if wl-summary-cache-use
2428                 (let* ((dir (elmo-folder-msgdb-path folder))
2429                        (cache (expand-file-name wl-summary-cache-file dir))
2430                        (view (expand-file-name wl-summary-view-file dir)))
2431                   (when (file-exists-p cache)
2432                     (insert-file-contents-as-binary cache)
2433                     (set-buffer-multibyte
2434                      default-enable-multibyte-characters)
2435                     (decode-mime-charset-region
2436                      (point-min)(point-max)
2437                      wl-summary-buffer-mime-charset 'LF))
2438                   (if (file-exists-p view)
2439                       (setq wl-summary-buffer-view
2440                             (wl-summary-load-file-object view))
2441                     (setq wl-summary-buffer-view
2442                           (or (wl-get-assoc-list-value
2443                                wl-summary-default-view-alist
2444                                (elmo-folder-name-internal folder))
2445                               wl-summary-default-view)))
2446                   (wl-thread-resume-entity folder)
2447                   (wl-summary-open-folder folder)
2448                   (wl-summary-detect-mark-position))
2449               (setq wl-summary-buffer-view
2450                     (wl-summary-load-file-object
2451                      (expand-file-name wl-summary-view-file
2452                                        (elmo-folder-msgdb-path folder))))
2453               (wl-summary-open-folder folder)
2454               (wl-summary-detect-mark-position)
2455               (wl-summary-rescan))
2456             (wl-summary-count-unread)
2457             (wl-summary-update-modeline)))
2458       (unless (eq wl-summary-buffer-view 'thread)
2459         (wl-summary-make-number-list))
2460       (when (and wl-summary-cache-use
2461                  (or (and wl-summary-check-line-format
2462                           (wl-summary-line-format-changed-p))
2463                      (wl-summary-view-old-p)))
2464         (wl-summary-rescan))
2465       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2466       (unless (and reuse-buf keep-cursor)
2467         (unwind-protect
2468             (let ((wl-use-scoring
2469                    (if (or scoring interactive) wl-use-scoring)))
2470               (if (and (not scan-type)
2471                        interactive
2472                        (not wl-ask-range))
2473                   (setq scan-type (wl-summary-get-sync-range folder)))
2474               (cond
2475                ((eq scan-type nil)
2476                 (wl-summary-sync 'unset-cursor))
2477                ((eq scan-type 'all)
2478                 (wl-summary-sync 'unset-cursor "all"))
2479                ((eq scan-type 'no-sync))
2480                ((eq scan-type 'rescan)
2481                 (wl-summary-rescan))
2482                ((or (eq scan-type 'force-update)
2483                     (eq scan-type 'update))
2484                 (setq mes (wl-summary-sync-force-update
2485                            'unset-cursor)))))
2486           (if interactive
2487               (switch-to-buffer buf)
2488             (set-buffer buf))
2489           ;; stick always-sticky-folder
2490           (when (wl-summary-always-sticky-folder-p folder)
2491             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2492           (run-hooks 'wl-summary-prepared-pre-hook)
2493           (set-buffer-modified-p nil)
2494           (goto-char (point-min))
2495           (if (wl-summary-cursor-down t)
2496               (let ((unreadp (wl-summary-next-message
2497                               (wl-summary-message-number)
2498                               'down t)))
2499                 (cond ((and wl-auto-select-first
2500                             (wl-summary-auto-select-msg-p unreadp))
2501                        ;; wl-auto-select-first is non-nil and
2502                        ;; unreadp is non-nil but not flagged
2503                        (setq retval 'disp-msg))
2504                       ((and wl-auto-prefetch-first
2505                             (wl-summary-auto-select-msg-p unreadp))
2506                        ;; wl-auto-select-first is non-nil and
2507                        ;; unreadp is non-nil but not flagged
2508                        (setq retval 'prefetch-msg))
2509                       ((not (wl-summary-auto-select-msg-p unreadp))
2510                        ;; unreadp is nil or flagged
2511                        (setq retval 'more-next))))
2512             (goto-char (point-max))
2513             (if (elmo-folder-plugged-p folder)
2514                 (forward-line -1)
2515               (wl-summary-prev))
2516             (setq retval 'more-next))
2517           (if (and wl-summary-highlight
2518                    (not wl-summary-lazy-highlight)
2519                    (not reuse-buf))
2520               (if (and wl-summary-highlight-partial-threshold
2521                        (> (count-lines (point-min) (point-max))
2522                           wl-summary-highlight-partial-threshold))
2523                   (save-excursion
2524                     (forward-line (-
2525                                    0
2526                                    (or
2527                                     wl-summary-partial-highlight-above-lines
2528                                     wl-summary-highlight-partial-threshold)))
2529                     (wl-highlight-summary (point) (point-max)))
2530                 (wl-highlight-summary (point-min) (point-max))))
2531           (if (eq retval 'disp-msg)
2532               (wl-summary-redisplay))
2533           (if (eq retval 'prefetch-msg)
2534               (wl-message-buffer-prefetch
2535                folder
2536                (wl-summary-message-number)
2537                (min (or wl-message-buffer-prefetch-depth 0)
2538                     (1- wl-message-buffer-cache-size))
2539                (current-buffer)
2540                wl-summary-buffer-mime-charset))
2541           (if mes (message "%s" mes))
2542           (if (and interactive wl-summary-recenter)
2543               (recenter (/ (- (window-height) 2) 2))))))
2544     ;; set current entity-id
2545     (when (and folder
2546                (setq entity
2547                      (wl-folder-search-entity-by-name
2548                       (elmo-folder-name-internal folder)
2549                       wl-folder-entity
2550                       'folder)))
2551       ;; entity-id is unknown.
2552       (wl-folder-set-current-entity-id
2553        (wl-folder-get-entity-id entity)))
2554     (when (and wl-summary-buffer-window-scroll-functions
2555                wl-on-xemacs)
2556       (sit-for 0))
2557     (when (or (eq t wl-summary-force-prefetch-folder-list)
2558               (wl-string-match-member
2559                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2560                wl-summary-force-prefetch-folder-list))
2561       (wl-summary-force-prefetch))
2562     (unwind-protect
2563         (run-hooks 'wl-summary-prepared-hook)
2564       (set-buffer-modified-p nil))
2565     retval))
2566
2567 (defun wl-summary-goto-previous-message-beginning ()
2568   (end-of-line)
2569   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2570   (beginning-of-line))
2571
2572 (defun wl-summary-goto-top-of-current-thread ()
2573   (wl-summary-jump-to-msg
2574    (wl-thread-entity-get-number
2575     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2576                                       (wl-summary-message-number))))))
2577
2578 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2579   (interactive)
2580   (let ((depth (or depth
2581                    (wl-thread-get-depth-of-current-line))))
2582     (forward-line 1)
2583     (while (and (not (eobp))
2584                 (>= (wl-thread-get-depth-of-current-line)
2585                     depth))
2586       (forward-line 1))
2587     (beginning-of-line)))
2588
2589 (defun wl-summary-insert-line (line)
2590   "Insert LINE in the Summary."
2591   (if wl-use-highlight-mouse-line
2592       ;; remove 'mouse-face of current line.
2593       (put-text-property
2594        (save-excursion (beginning-of-line)(point))
2595        (save-excursion (end-of-line)(point))
2596        'mouse-face nil))
2597   (insert line "\n")
2598   (save-excursion
2599     (forward-line -1)
2600     (let* ((number (wl-summary-message-number))
2601            (mark-info (wl-summary-registered-temp-mark number)))
2602       (when (and mark-info (nth 2 mark-info))
2603         (wl-summary-print-argument number (nth 2 mark-info)))))
2604   (if wl-use-highlight-mouse-line
2605       ;; remove 'mouse-face of current line.
2606       (put-text-property
2607        (save-excursion (beginning-of-line)(point))
2608        (save-excursion (end-of-line)(point))
2609        'mouse-face nil))
2610   (ignore-errors
2611     (run-hooks 'wl-summary-line-inserted-hook)))
2612
2613 (defun wl-summary-insert-sequential (entity folder &rest args)
2614   (when entity
2615     (let ((inhibit-read-only t)
2616           (number (elmo-message-entity-number entity))
2617           buffer-read-only)
2618       (goto-char (point-max))
2619       (wl-summary-insert-line
2620        (wl-summary-create-line entity nil nil
2621                                (elmo-message-flags
2622                                 wl-summary-buffer-elmo-folder
2623                                 number)
2624                                (elmo-message-cached-p
2625                                 wl-summary-buffer-elmo-folder
2626                                 number)))
2627       (setq wl-summary-buffer-number-list
2628             (wl-append wl-summary-buffer-number-list
2629                        (list (elmo-message-entity-number entity))))
2630       nil)))
2631
2632 (defun wl-summary-default-subject-filter (subject)
2633   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2634   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2635   (elmo-replace-in-string subject "^\\[[^]]*\\]" ""))
2636
2637 (defun wl-summary-subject-equal (subject1 subject2)
2638   (string= (funcall wl-summary-subject-filter-function subject1)
2639            (funcall wl-summary-subject-filter-function subject2)))
2640
2641 (defmacro wl-summary-put-alike (alike)
2642   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2643                         (, alike)
2644                         wl-summary-alike-hashtb)))
2645
2646 (defmacro wl-summary-get-alike ()
2647   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2648                         wl-summary-alike-hashtb)))
2649
2650 (defun wl-summary-insert-headers (folder func &optional mime-decode)
2651   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2652         ov this last alike)
2653     (buffer-disable-undo (current-buffer))
2654     (make-local-variable 'wl-summary-alike-hashtb)
2655     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2656     (when mime-decode
2657       (set-buffer-multibyte default-enable-multibyte-characters))
2658     (while (setq ov (elmo-message-entity folder (pop numbers)))
2659       (setq this (funcall func ov))
2660       (and this (setq this (std11-unfold-string this)))
2661       (if (equal last this)
2662           (setq alike (cons ov alike))
2663         (when last
2664           (wl-summary-put-alike alike)
2665           (insert last ?\n))
2666         (setq alike (list ov)
2667               last this)))
2668     (when last
2669       (wl-summary-put-alike alike)
2670       (insert last ?\n))
2671     (when mime-decode
2672       (decode-mime-charset-region (point-min) (point-max)
2673                                   elmo-mime-charset)
2674       (when (eq mime-decode 'mime)
2675         (eword-decode-region (point-min) (point-max))))
2676     (run-hooks 'wl-summary-insert-headers-hook)))
2677
2678 (defun wl-summary-search-by-subject (entity folder)
2679   (let ((summary-buf (current-buffer))
2680         (buf (get-buffer-create wl-summary-search-buf-name))
2681         (folder-name (wl-summary-buffer-folder-name))
2682         match founds result)
2683     (with-current-buffer buf
2684       (let ((case-fold-search t))
2685         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2686                   (zerop (buffer-size)))
2687           (setq wl-summary-search-buf-folder-name folder-name)
2688           (message "Creating subject cache...")
2689           (wl-summary-insert-headers
2690            folder
2691            (function
2692             (lambda (x)
2693               (funcall wl-summary-subject-filter-function
2694                        (elmo-message-entity-field x 'subject)))))
2695           (message "Creating subject cache...done"))
2696         (setq match (funcall wl-summary-subject-filter-function
2697                              (elmo-message-entity-field entity 'subject)))
2698         (if (string= match "")
2699             (setq match "\n"))
2700         (goto-char (point-max))
2701         (while (and (null result)
2702                     (not (= (point) (point-min)))
2703                     (search-backward match nil t))
2704           ;; check exactly match
2705           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2706             (setq founds (wl-summary-get-alike))
2707             (with-current-buffer summary-buf
2708               (while founds
2709                 (when (and
2710                        ;; the first element of found-entity list exists on
2711                        ;; thread tree.
2712                        (wl-thread-get-entity
2713                         (elmo-message-entity-number (car founds)))
2714                        ;; message id is not same as myself.
2715                        (not (string=
2716                              (elmo-message-entity-field entity 'message-id)
2717                              (elmo-message-entity-field (car founds)
2718                                                         'message-id)))
2719                        ;; not a descendant.
2720                        (not (wl-thread-descendant-p
2721                              (elmo-message-entity-number entity)
2722                              (elmo-message-entity-number (car founds)))))
2723                   (setq result (car founds)
2724                         founds nil))
2725                 (setq founds (cdr founds))))))
2726         result))))
2727
2728 (defun wl-summary-insert-thread (entity folder update
2729                                         &optional force-insert)
2730   (let ((depth 0)
2731         this-id parent-entity parent-number
2732         number cur-entity linked retval delayed-entity
2733         update-list entity-stack thread-entity)
2734     (while entity
2735       (setq this-id (elmo-message-entity-field entity 'message-id)
2736             number (elmo-message-entity-number entity))
2737       (if (and wl-thread-saved-entity-hashtb-internal
2738                (setq thread-entity
2739                      (elmo-get-hash-val
2740                       (format "#%d" (elmo-message-entity-number entity))
2741                       wl-thread-saved-entity-hashtb-internal)))
2742           (setq parent-entity
2743                 (elmo-message-entity
2744                  folder
2745                  (wl-thread-entity-get-parent thread-entity))
2746                 linked (wl-thread-entity-get-linked thread-entity))
2747         (setq parent-entity (elmo-message-entity-parent folder entity)
2748               linked nil))
2749       (setq parent-number (and parent-entity
2750                                (elmo-message-entity-number parent-entity)))
2751       ;; If thread loop detected, set parent as nil.
2752       (let ((cur entity)
2753             anumber relatives)
2754         (while cur
2755           (when (setq anumber
2756                       (elmo-message-entity-number
2757                        (setq cur (elmo-message-entity-parent folder cur))))
2758             (if (memq anumber relatives)
2759                 (setq parent-number nil
2760                       cur nil))
2761             (setq relatives (cons anumber relatives)))))
2762       (if (and parent-number
2763                (not (wl-thread-get-entity parent-number))
2764                (not force-insert))
2765           ;; parent exists in overview, but not in wl-thread-entities
2766           (progn
2767             (wl-append wl-summary-delayed-update
2768                        (list (cons parent-number entity)))
2769             (setq entity nil)) ;; exit loop
2770         ;; Search parent by subject.
2771         (when (and (null parent-number)
2772                    wl-summary-search-parent-by-subject-regexp
2773                    (string-match
2774                     wl-summary-search-parent-by-subject-regexp
2775                     (elmo-message-entity-field entity 'subject)))
2776           (let ((found (wl-summary-search-by-subject entity folder)))
2777             (when (and found
2778                        (not (member found wl-summary-delayed-update)))
2779               (setq parent-entity found)
2780               (setq parent-number
2781                     (elmo-message-entity-number parent-entity))
2782               (setq linked t))))
2783         ;; If subject is change, divide thread.
2784         (if (and parent-number
2785                  wl-summary-divide-thread-when-subject-changed
2786                  (not (wl-summary-subject-equal
2787                        (or (elmo-message-entity-field entity 'subject) "")
2788                        (or (elmo-message-entity-field parent-entity
2789                                                       'subject) ""))))
2790             (setq parent-number nil))
2791         (setq retval
2792               (wl-thread-insert-message entity
2793                                         number parent-number update linked))
2794         (and retval
2795              (wl-append update-list (list retval)))
2796         (setq entity nil) ; exit loop
2797         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2798           (setq wl-summary-delayed-update
2799                 (delq delayed-entity wl-summary-delayed-update))
2800           ;; update delayed message
2801           (wl-append entity-stack (list (cdr delayed-entity)))))
2802       (if (and (not entity)
2803                entity-stack)
2804           (setq entity (pop entity-stack))))
2805     update-list))
2806
2807 (defun wl-summary-update-thread (entity
2808                                  thr-entity
2809                                  parent-entity)
2810   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2811          (overview-entity entity)
2812          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2813          (number (elmo-message-entity-number entity))
2814          (parent-number (elmo-message-entity-number parent-entity))
2815          insert-line)
2816     (cond
2817      ((or (not parent-id)
2818           (string= this-id parent-id))
2819       (goto-char (point-max))
2820       (beginning-of-line)
2821       (setq insert-line t))
2822      ;; parent already exists in buffer.
2823      ((wl-summary-jump-to-msg parent-number)
2824       (wl-thread-goto-bottom-of-sub-thread)
2825       (setq insert-line t)))
2826     (when insert-line
2827       (let (buffer-read-only)
2828         (wl-summary-insert-line
2829          (wl-summary-create-line
2830           entity
2831           parent-entity
2832           nil
2833           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2834           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2835           (wl-thread-maybe-get-children-num number)
2836           (wl-thread-make-indent-string thr-entity)
2837           (wl-thread-entity-get-linked thr-entity)))))))
2838
2839 (defun wl-summary-target-mark-msgs (msgs)
2840   "Return the number of marked messages."
2841   (let ((i 0))
2842     (dolist (number msgs)
2843       (when (wl-summary-target-mark number)
2844         (setq i (1+ i))))
2845     i))
2846
2847 (defun wl-summary-pick (&optional from-list delete-marks)
2848   (interactive "i\nP")
2849   (save-excursion
2850     (let* ((messages (or from-list
2851                          (elmo-folder-list-messages
2852                           wl-summary-buffer-elmo-folder
2853                           'visible
2854                           'in-msgdb)
2855                          (error "No messages")))
2856            (condition (car (elmo-parse-search-condition
2857                             (wl-read-search-condition
2858                              wl-summary-pick-field-default))))
2859            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2860                                        condition
2861                                        messages))
2862            num)
2863       (if delete-marks
2864           (let ((mlist wl-summary-buffer-target-mark-list))
2865             (while mlist
2866               (when (wl-summary-jump-to-msg (car mlist))
2867                 (wl-summary-unmark))
2868               (setq mlist (cdr mlist)))
2869             (setq wl-summary-buffer-target-mark-list nil)))
2870       (if (and result
2871                (setq num (wl-summary-target-mark-msgs result))
2872                (> num 0))
2873           (if (= num (length result))
2874               (message "%d message(s) are picked." num)
2875             (message "%d(%d) message(s) are picked." num
2876                      (- (length result) num)))
2877         (message "No message was picked.")))))
2878
2879 (defun wl-summary-unvirtual ()
2880   "Exit from current virtual folder."
2881   (interactive)
2882   (if (eq 'filter
2883           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2884       (wl-summary-goto-folder-subr
2885        (elmo-folder-name-internal
2886         (elmo-filter-folder-target-internal
2887          wl-summary-buffer-elmo-folder))
2888        'update nil nil t)
2889     (error "This folder is not filtered")))
2890
2891 (defun wl-summary-virtual (&optional arg)
2892   "Goto virtual folder.
2893 If ARG, exit virtual folder."
2894   (interactive "P")
2895   (if arg
2896       (wl-summary-unvirtual)
2897     (wl-summary-goto-folder-subr (concat "/"
2898                                          (wl-read-search-condition
2899                                           wl-summary-pick-field-default)
2900                                          "/"
2901                                          (wl-summary-buffer-folder-name))
2902                                  'update nil nil t)
2903     (run-hooks 'wl-summary-virtual-hook)))
2904
2905 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2906   "Erase all temp marks from buffer."
2907   (interactive)
2908   (when (or wl-summary-buffer-target-mark-list
2909             wl-summary-buffer-temp-mark-list
2910             wl-summary-scored)
2911     (save-excursion
2912       (goto-char (point-min))
2913       (unless no-msg
2914         (message "Unmarking..."))
2915       (while (not (eobp))
2916         (wl-summary-unset-mark nil nil force)
2917         (forward-line 1))
2918       (unless no-msg
2919         (message "Unmarking...done"))
2920       (setq wl-summary-buffer-target-mark-list nil)
2921       (setq wl-summary-buffer-temp-mark-list nil))))
2922
2923 (defsubst wl-summary-temp-mark (&optional number)
2924   "Return temp-mark string of current line."
2925   (let ((number (or number (wl-summary-message-number)))
2926         info)
2927     (or (and (wl-summary-have-target-mark-p number)
2928              "*")
2929         (and (setq info (wl-summary-registered-temp-mark number))
2930              (nth 1 info))
2931         (wl-summary-get-score-mark number)
2932         " ")))
2933
2934 (defun wl-summary-persistent-mark-invalid-p ()
2935   (not
2936    (equal
2937     ;; mey be nil.
2938     (get-text-property (point) 'wl-summary-persistent-mark-version)
2939     wl-summary-buffer-persistent-mark-version)))
2940
2941 (defun wl-summary-validate-persistent-mark (beg end)
2942   (let ((inhibit-read-only t)
2943         (buffer-read-only nil))
2944     (put-text-property beg end
2945                        'wl-summary-persistent-mark-version
2946                        wl-summary-buffer-persistent-mark-version)
2947     (set-buffer-modified-p nil)))
2948
2949 (defun wl-summary-validate-persistent-mark-string (string)
2950   (put-text-property 0 (length string)
2951                      'wl-summary-persistent-mark-version
2952                      wl-summary-buffer-persistent-mark-version
2953                      string))
2954
2955 (defun wl-summary-invalidate-persistent-mark ()
2956   (setq wl-summary-buffer-persistent-mark-version
2957         (1+ wl-summary-buffer-persistent-mark-version)))
2958
2959 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2960   "Return the persistent mark string.
2961 The mark is decided according to the FOLDER, FLAGS and CACHED."
2962   (let ((priorities wl-summary-persistent-mark-priority-list)
2963         mark)
2964     (while (and (null mark) priorities)
2965       (if (and (eq (car priorities) 'flag)
2966                (elmo-get-global-flags flags 'ignore-preserved))
2967           (let ((specs wl-summary-flag-alist)
2968                 spec)
2969             (while (setq spec (car specs))
2970               (if (memq (car spec) flags)
2971                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2972                         specs nil)
2973                 (setq specs (cdr specs))))
2974             (unless mark
2975               (setq mark wl-summary-flag-mark)))
2976         (when (memq (car priorities) flags)
2977           (setq mark
2978                 (let ((var
2979                        (intern
2980                         (if cached
2981                             (format
2982                              "wl-summary-%s-cached-mark" (car priorities))
2983                           (format
2984                            "wl-summary-%s-uncached-mark" (car priorities))))))
2985                   (if (and (boundp var)
2986                            (symbol-value var))
2987                       (symbol-value var)
2988                     (if cached
2989                         (downcase (substring (symbol-name (car priorities))
2990                                              0 1))
2991                       (upcase (substring (symbol-name (car priorities))
2992                                          0 1))))))))
2993       (setq priorities (cdr priorities)))
2994     (or mark
2995         (if (or cached (elmo-folder-local-p folder))
2996             nil
2997           wl-summary-uncached-mark))))
2998
2999 (defsubst wl-summary-message-mark (folder number &optional flags)
3000   "Return mark of the message."
3001   (ignore-errors
3002     (wl-summary-persistent-mark-string
3003      folder
3004      (or flags (setq flags (elmo-message-flags folder number)))
3005      (memq 'cached flags) ; XXX for speed-up.
3006      )))
3007
3008 (defsubst wl-summary-persistent-mark (&optional number flags)
3009   "Return persistent-mark string of current line."
3010   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
3011                                (or number (wl-summary-message-number))
3012                                flags)
3013       " "))
3014
3015 (defun wl-summary-put-temp-mark (mark)
3016   "Put temp MARK on current line."
3017   (when wl-summary-buffer-temp-mark-column
3018     (save-excursion
3019       (beginning-of-line)
3020       (let ((inhibit-read-only t)
3021             (buffer-read-only nil))
3022         (move-to-column wl-summary-buffer-temp-mark-column)
3023         (delete-backward-char 1)
3024         (insert mark)))))
3025
3026 (defun wl-summary-next-buffer ()
3027   "Switch to next summary buffer."
3028   (interactive)
3029   (let ((buffers (sort (wl-collect-summary)
3030                        (lambda (buffer1 buffer2)
3031                          (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-previous-buffer ()
3038   "Switch to previous summary buffer."
3039   (interactive)
3040   (let ((buffers (sort (wl-collect-summary)
3041                        (lambda (buffer1 buffer2)
3042                          (not (string-lessp (buffer-name buffer1)
3043                                             (buffer-name buffer2)))))))
3044     (switch-to-buffer
3045      (or (cadr (memq (current-buffer) buffers))
3046          (car buffers)))))
3047
3048 (defun wl-summary-check-target-mark ()
3049   (when (null wl-summary-buffer-target-mark-list)
3050     (error "No marked message")))
3051
3052 (defun wl-summary-target-mark-mark-as-read ()
3053   (interactive)
3054   (wl-summary-check-target-mark)
3055   (save-excursion
3056     (goto-char (point-min))
3057     (let ((inhibit-read-only t)
3058           (buffer-read-only nil)
3059           wl-summary-buffer-disp-msg)
3060       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
3061       (dolist (number wl-summary-buffer-target-mark-list)
3062         (wl-summary-unset-mark number)))))
3063
3064 (defun wl-summary-target-mark-mark-as-unread ()
3065   (interactive)
3066   (wl-summary-check-target-mark)
3067   (save-excursion
3068     (goto-char (point-min))
3069     (let ((inhibit-read-only t)
3070           (buffer-read-only nil)
3071           wl-summary-buffer-disp-msg)
3072       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
3073       (dolist (number wl-summary-buffer-target-mark-list)
3074         (wl-summary-unset-mark number)))))
3075
3076 (defun wl-summary-target-mark-operation (flag &optional inverse)
3077   (wl-summary-check-target-mark)
3078   (save-excursion
3079     (let ((inhibit-read-only t)
3080           (buffer-read-only nil)
3081           wl-summary-buffer-disp-msg)
3082       (funcall
3083        (intern (format "wl-summary-mark-as-%s-internal" flag))
3084        inverse
3085        wl-summary-buffer-target-mark-list)
3086       (wl-summary-delete-all-target-marks))))
3087
3088 (defun wl-summary-target-mark-mark-as-important (&optional remove)
3089   (interactive "P")
3090   (wl-summary-target-mark-operation 'important remove))
3091
3092 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
3093   (interactive "P")
3094   (wl-summary-target-mark-operation 'answered remove))
3095
3096 (defun wl-summary-target-mark-set-flags (&optional remove)
3097   (interactive "P")
3098   (wl-summary-check-target-mark)
3099   (save-excursion
3100     (let ((inhibit-read-only t)
3101           (buffer-read-only nil)
3102           wl-summary-buffer-disp-msg)
3103       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
3104                                      nil nil remove)
3105       (wl-summary-delete-all-target-marks)
3106       (wl-summary-count-unread)
3107       (wl-summary-update-modeline))))
3108
3109 (defun wl-summary-target-mark-save ()
3110   (interactive)
3111   (wl-summary-check-target-mark)
3112   (let ((wl-save-dir
3113          (wl-read-directory-name "Save to directory: "
3114                                  wl-temporary-file-directory))
3115         number)
3116     (if (null (file-exists-p wl-save-dir))
3117         (make-directory wl-save-dir))
3118     (while (setq number (car wl-summary-buffer-target-mark-list))
3119       (wl-thread-jump-to-msg number)
3120       (wl-summary-save t wl-save-dir)
3121       (wl-summary-unmark))))
3122
3123 (defun wl-summary-target-mark-pick ()
3124   (interactive)
3125   (wl-summary-check-target-mark)
3126   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3127
3128 (defun wl-summary-update-persistent-mark (&optional number flags)
3129   "Synch up persistent mark of current line with msgdb's.
3130 Return non-nil if the mark is updated"
3131   (interactive)
3132   (prog1
3133       (when wl-summary-buffer-persistent-mark-column
3134         (save-excursion
3135           (move-to-column wl-summary-buffer-persistent-mark-column)
3136           (let ((inhibit-read-only t)
3137                 (buffer-read-only nil)
3138                 (mark (buffer-substring (- (point) 1) (point)))
3139                 (new-mark (wl-summary-persistent-mark number flags)))
3140             (prog1
3141                 (unless (string= new-mark mark)
3142                   (delete-backward-char 1)
3143                   (insert new-mark)
3144                   (wl-summary-set-message-modified)
3145                   t)
3146               (wl-summary-validate-persistent-mark (point-at-bol)
3147                                                    (point-at-eol))))))
3148     (when wl-summary-highlight
3149       (wl-highlight-summary-current-line))
3150     (set-buffer-modified-p nil)))
3151
3152 (defsubst wl-summary-mark-as-read-internal (inverse
3153                                             number-or-numbers
3154                                             no-folder-mark
3155                                             no-modeline-update)
3156   (save-excursion
3157     (let ((folder wl-summary-buffer-elmo-folder)
3158           unread-message number
3159           number-list)
3160       (setq number-list (cond ((numberp number-or-numbers)
3161                                (setq unread-message
3162                                      (elmo-message-flagged-p
3163                                       folder
3164                                       number-or-numbers
3165                                       'unread))
3166                                (list number-or-numbers))
3167                               ((and (not (null number-or-numbers))
3168                                     (listp number-or-numbers))
3169                                number-or-numbers)
3170                               ((setq number (wl-summary-message-number))
3171                                ;; interactive
3172                                (setq unread-message
3173                                      (elmo-message-flagged-p
3174                                       folder
3175                                       number
3176                                       'unread))
3177                                (list number))))
3178       (if (null number-list)
3179           (message "No message.")
3180         (if inverse
3181             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3182           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3183         (when (and unread-message
3184                    (not inverse))
3185           (dolist (number number-list)
3186             (wl-summary-jump-to-msg number)
3187             (run-hooks 'wl-summary-unread-message-hook)))
3188         (unless no-modeline-update
3189           ;; Update unread numbers.
3190           (wl-summary-count-unread)
3191           (wl-summary-update-modeline)
3192           (wl-folder-update-unread
3193            (wl-summary-buffer-folder-name)
3194            wl-summary-buffer-unread-count))))))
3195
3196 (defun wl-summary-mark-as-read (&optional number-or-numbers
3197                                           no-folder-mark
3198                                           no-modeline-update)
3199   (interactive)
3200   (wl-summary-mark-as-read-internal nil
3201                                     number-or-numbers
3202                                     no-folder-mark
3203                                     no-modeline-update))
3204
3205 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3206                                             no-folder-mark
3207                                             no-modeline-update)
3208   (interactive)
3209   (wl-summary-mark-as-read-internal 'inverse
3210                                     number-or-numbers
3211                                     no-folder-mark
3212                                     no-modeline-update))
3213
3214 (defsubst wl-summary-set-persistent-mark-internal (inverse
3215                                                    flag
3216                                                    &optional number-or-numbers
3217                                                    no-modeline-update
3218                                                    no-server
3219                                                    interactive)
3220   "Set persistent mark."
3221   (save-excursion
3222     (let ((folder wl-summary-buffer-elmo-folder)
3223           number number-list)
3224       (setq number-list (cond ((numberp number-or-numbers)
3225                                (list number-or-numbers))
3226                               ((and (not (null number-or-numbers))
3227                                     (listp number-or-numbers))
3228                                number-or-numbers)
3229                               ((setq number (wl-summary-message-number))
3230                                ;; interactive
3231                                (list number))))
3232       (if (null number-list)
3233           (message "No message.")
3234         ;; XXX Only the first element of the list is checked.
3235         (if (elmo-message-flag-available-p folder (car number-list) flag)
3236             (progn
3237               (if inverse
3238                   (elmo-folder-unset-flag folder number-list flag no-server)
3239                 (elmo-folder-set-flag folder number-list flag no-server))
3240               (unless no-modeline-update
3241                 ;; Update unread numbers.
3242                 ;; should elmo-flag-mark-as-read return unread numbers?
3243                 (wl-summary-count-unread)
3244                 (wl-summary-update-modeline)
3245                 (wl-folder-update-unread
3246                  (wl-summary-buffer-folder-name)
3247                  wl-summary-buffer-unread-count)))
3248           (if interactive
3249               (error "Flag `%s' is not available in this folder" flag)))))))
3250
3251 (defun wl-summary-unset-persistent-mark (&optional flag
3252                                                    number-or-numbers
3253                                                    no-modeline-update
3254                                                    no-server)
3255   "Unset persistent mark."
3256   (interactive)
3257   (when (interactive-p)
3258     (let ((completion-ignore-case t))
3259       (setq flag (intern (downcase
3260                           (completing-read
3261                            "Mark name: "
3262                            (mapcar (lambda (flag)
3263                                      (list (capitalize (symbol-name flag))))
3264                                    (wl-summary-get-available-flags))
3265                            nil
3266                            'require-match))))))
3267   (wl-summary-set-persistent-mark-internal 'inverse
3268                                            flag
3269                                            number-or-numbers
3270                                            no-modeline-update
3271                                            no-server
3272                                            (interactive-p)))
3273
3274 (defun wl-summary-set-persistent-mark (&optional flag
3275                                                  number-or-numbers
3276                                                  no-modeline-update
3277                                                  no-server)
3278   "Set persistent mark."
3279   (interactive)
3280   (when (interactive-p)
3281     (let ((completion-ignore-case t))
3282       (setq flag (intern (downcase
3283                           (completing-read
3284                            "Mark name: "
3285                            (mapcar (lambda (flag)
3286                                      (list (capitalize (symbol-name flag))))
3287                                    (wl-summary-get-available-flags))
3288                            nil
3289                            'require-match))))))
3290   (wl-summary-set-persistent-mark-internal nil
3291                                            flag
3292                                            number-or-numbers
3293                                            no-modeline-update
3294                                            no-server
3295                                            (interactive-p)))
3296
3297 (defun wl-summary-toggle-persistent-mark (&optional force)
3298   "Toggle persistent mark."
3299   (interactive "P")
3300   (let ((completion-ignore-case t)
3301         flag)
3302     (setq flag (intern (downcase
3303                         (completing-read
3304                          "Mark name: "
3305                          (mapcar (lambda (flag)
3306                                    (list (capitalize (symbol-name flag))))
3307                                  (wl-summary-get-available-flags))
3308                          nil
3309                          'require-match))))
3310     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3311                                      (wl-summary-message-number)
3312                                      flag)
3313              (not force))
3314         (wl-summary-unset-persistent-mark flag)
3315       (wl-summary-set-persistent-mark flag))))
3316
3317 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3318                                               no-modeline-update)
3319   (interactive)
3320   (wl-summary-set-persistent-mark-internal
3321    (and (interactive-p)
3322         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3323                                 (wl-summary-message-number)
3324                                 'answered))
3325    'answered
3326    number-or-numbers
3327    no-modeline-update
3328    nil
3329    (interactive-p)))
3330
3331 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3332                                                 no-modeline-update)
3333   (wl-summary-set-persistent-mark-internal
3334    'inverse
3335    'answered
3336    number-or-numbers
3337    no-modeline-update))
3338
3339 (defun wl-summary-decide-flag (folder number)
3340   (let ((flags (elmo-get-global-flags (elmo-message-flags
3341                                        folder number)))
3342         (completion-ignore-case t)
3343         new-flags)
3344     (setq new-flags
3345           (delq nil
3346                 (mapcar
3347                  (lambda (flag)
3348                    (and (> (length flag) 0)
3349                         (intern (downcase flag))))
3350                  (wl-completing-read-multiple
3351                   "Flags: "
3352                   (mapcar (lambda (flag)
3353                             (list (capitalize (symbol-name flag))))
3354                           elmo-global-flags)
3355                   nil nil (mapconcat (lambda (flag)
3356                                        (capitalize (symbol-name flag)))
3357                                      flags
3358                                      ",")))))
3359     (dolist (flag new-flags)
3360       (unless (memq flag elmo-global-flags)
3361         (when (elmo-local-flag-p flag)
3362           (error "Cannot treat `%s'." flag))
3363         (unless (elmo-flag-valid-p flag)
3364           (error "Invalid char in `%s'" flag))
3365         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3366                               (capitalize (symbol-name flag))))
3367             (setq elmo-global-flags (append
3368                                      elmo-global-flags
3369                                      (list flag)))
3370           (error "Stopped"))))
3371     new-flags))
3372
3373 (defsubst wl-summary-set-flags-internal (&optional
3374                                         number-or-numbers
3375                                         flags
3376                                         local
3377                                         remove-all)
3378   (save-excursion
3379     (let ((folder wl-summary-buffer-elmo-folder)
3380           number number-list)
3381       (setq number-list (cond ((numberp number-or-numbers)
3382                                (list number-or-numbers))
3383                               ((and (not (null number-or-numbers))
3384                                     (listp number-or-numbers))
3385                                number-or-numbers)
3386                               ((setq number (wl-summary-message-number))
3387                                ;; interactive
3388                                (list number))))
3389       (if remove-all
3390           (setq flags nil)
3391         (unless flags
3392           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3393       (if (null number-list)
3394           (message "No message.")
3395         (dolist (number number-list)
3396           (elmo-message-set-global-flags folder number flags local)))
3397       flags)))
3398
3399 (defun wl-summary-set-flags (&optional remove)
3400   (interactive "P")
3401   (wl-summary-set-flags-internal nil nil nil remove))
3402
3403 (defun wl-summary-mark-as-important (&optional prompt)
3404   (interactive "P")
3405   (if prompt
3406       (wl-summary-set-flags-internal)
3407     (wl-summary-set-persistent-mark-internal
3408      (and (interactive-p)
3409           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3410                                   (wl-summary-message-number)
3411                                   'important))
3412      'important
3413      nil nil nil (interactive-p))))
3414
3415 ;;; Summary line.
3416 (defvar wl-summary-line-formatter nil)
3417
3418 (defun wl-summary-view-old-p ()
3419   "Return non-nil when summary view cache has old format."
3420   (save-excursion
3421     (goto-char (point-min))
3422     (and wl-summary-buffer-number-list
3423          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3424
3425 (defun wl-summary-line-format-changed-p ()
3426   "Return non-nil when summary line format is changed."
3427   (not (string=
3428         wl-summary-buffer-line-format
3429         (or (elmo-object-load (expand-file-name
3430                                wl-summary-line-format-file
3431                                (elmo-folder-msgdb-path
3432                                 wl-summary-buffer-elmo-folder))
3433                               wl-summary-buffer-mime-charset)
3434             wl-summary-buffer-line-format))))
3435
3436 (defun wl-summary-line-format-save ()
3437   "Save current summary line format."
3438   (elmo-object-save
3439    (expand-file-name wl-summary-line-format-file
3440                      (elmo-folder-msgdb-path
3441                       wl-summary-buffer-elmo-folder))
3442    wl-summary-buffer-line-format
3443    wl-summary-buffer-mime-charset))
3444
3445 (defun wl-summary-line-number ()
3446   (wl-set-string-width
3447    (- wl-summary-buffer-number-column)
3448    (number-to-string
3449     (elmo-message-entity-number wl-message-entity))))
3450
3451 (defun wl-summary-line-year ()
3452   (aref wl-datevec 0))
3453 (defun wl-summary-line-month ()
3454   (format "%02d" (aref wl-datevec 1)))
3455 (defun wl-summary-line-day ()
3456   (format "%02d" (aref wl-datevec 2)))
3457 (defun wl-summary-line-day-of-week ()
3458   (condition-case nil
3459       (elmo-date-get-week (aref wl-datevec 0)
3460                           (aref wl-datevec 1)
3461                           (aref wl-datevec 2))
3462     (error "??")))
3463 (defun wl-summary-line-hour ()
3464   (format "%02d" (aref wl-datevec 3)))
3465 (defun wl-summary-line-minute ()
3466   (format "%02d" (aref wl-datevec 4)))
3467
3468 (defun wl-summary-line-size ()
3469   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3470     (if size
3471         (cond
3472          ((<= 1 (/ size 1048576))
3473           (format "%.0fM" (/ size 1048576.0)))
3474          ((<= 1 (/ size 1024))
3475           (format "%.0fK" (/ size 1024.0)))
3476          (t (format "%dB" size)))
3477       "")))
3478
3479 (defun wl-summary-line-subject ()
3480   (let (no-parent subject parent-raw-subject parent-subject)
3481     (if (string= wl-thr-indent-string "")
3482         (setq no-parent t)) ; no parent
3483     (setq subject
3484           (elmo-delete-char ?\n
3485                             (or (elmo-message-entity-field
3486                                  wl-message-entity
3487                                  'subject)
3488                                 wl-summary-no-subject-message)))
3489     (setq parent-raw-subject
3490           (elmo-message-entity-field wl-parent-message-entity 'subject))
3491     (setq parent-subject
3492           (if parent-raw-subject
3493               (elmo-delete-char ?\n parent-raw-subject)))
3494     (if (or no-parent
3495             (null parent-subject)
3496             (not (wl-summary-subject-equal subject parent-subject)))
3497         (funcall wl-summary-subject-function subject)
3498       "")))
3499
3500 (defun wl-summary-line-from ()
3501   (elmo-delete-char ?\n
3502                     (funcall wl-summary-from-function
3503                              (elmo-message-entity-field
3504                               wl-message-entity
3505                               'from))))
3506
3507 (defun wl-summary-line-list-info ()
3508   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3509     (if (car list-info)
3510         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3511                 (car list-info) (cdr list-info))
3512       "")))
3513
3514 (defun wl-summary-line-list-count ()
3515   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3516     (if ml-count
3517         (format "%.0f" ml-count)
3518       "")))
3519
3520 (defun wl-summary-line-attached ()
3521   (let ((content-type (elmo-message-entity-field
3522                        wl-message-entity 'content-type))
3523         (case-fold-search t))
3524     (if (and content-type
3525              (string-match "multipart/mixed" content-type))
3526         "@"
3527       "")))
3528
3529 ;;; For future use.
3530 ;;(defun wl-summary-line-cached ()
3531 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3532 ;;                           (elmo-message-entity-number wl-message-entity))
3533 ;;      " "
3534 ;;    "u"))
3535
3536 (defun wl-summary-create-line (wl-message-entity
3537                                wl-parent-message-entity
3538                                wl-temp-mark
3539                                wl-flags
3540                                wl-cached
3541                                &optional
3542                                wl-thr-children-number
3543                                wl-thr-indent-string
3544                                wl-thr-linked)
3545   "Create a summary line."
3546   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3547         (wl-persistent-mark (wl-summary-persistent-mark-string
3548                              wl-summary-buffer-elmo-folder
3549                              wl-flags
3550                              wl-cached))
3551         (elmo-mime-charset wl-summary-buffer-mime-charset)
3552         (elmo-lang wl-summary-buffer-weekday-name-lang)
3553         (wl-datevec (or (elmo-time-to-datevec
3554                          (elmo-message-entity-field wl-message-entity 'date)
3555                          wl-summary-fix-timezone)
3556                         (make-vector 7 0)))
3557         (entity wl-message-entity) ; backward compatibility.
3558         line mark)
3559     (if (and wl-thr-indent-string
3560              wl-summary-indent-length-limit
3561              (< wl-summary-indent-length-limit
3562                 (string-width wl-thr-indent-string)))
3563         (setq wl-thr-indent-string (wl-set-string-width
3564                                     wl-summary-indent-length-limit
3565                                     wl-thr-indent-string)))
3566     (setq line (funcall wl-summary-buffer-line-formatter))
3567     (if wl-summary-width (setq line
3568                                (wl-set-string-width
3569                                 (- wl-summary-width 1) line nil
3570                                 'ignore-invalid)))
3571     (setq line (concat line
3572                        "\r"
3573                        (number-to-string
3574                         (elmo-message-entity-number
3575                          wl-message-entity))))
3576     (wl-summary-validate-persistent-mark-string line)
3577     (if wl-summary-highlight
3578         (wl-highlight-summary-line-string
3579          (elmo-message-entity-number wl-message-entity)
3580          line
3581          wl-flags
3582          wl-temp-mark
3583          wl-thr-indent-string))
3584     line))
3585
3586 (defsubst wl-summary-proc-wday (wday-str year month mday)
3587   (save-match-data
3588     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3589         (wl-match-string 1 wday-str)
3590       (elmo-date-get-week year month mday))))
3591
3592 (defvar wl-summary-move-spec-alist
3593   '((new . ((t . nil)
3594             (p . new)
3595             (p . unread)
3596             (p . digest)))
3597     (unread . ((t . nil)
3598                (p . unread)
3599                (p . digest)))))
3600
3601 (defsubst wl-summary-next-message (num direction hereto)
3602   (if wl-summary-buffer-next-message-function
3603       (funcall wl-summary-buffer-next-message-function num direction hereto)
3604     (let ((cur-spec (cdr (assq wl-summary-move-order
3605                                wl-summary-move-spec-alist)))
3606           (nums (memq num (if (eq direction 'up)
3607                               (reverse wl-summary-buffer-number-list)
3608                             wl-summary-buffer-number-list)))
3609           flagged-list nums2)
3610       (unless hereto (setq nums (cdr nums)))
3611       (setq nums2 nums)
3612       (if cur-spec
3613           (catch 'done
3614             (while cur-spec
3615               (setq nums nums2)
3616               (cond ((eq (car (car cur-spec)) 'p)
3617                      (if (setq flagged-list
3618                                (elmo-folder-list-flagged
3619                                 wl-summary-buffer-elmo-folder
3620                                 (cdr (car cur-spec)) t))
3621                          (while nums
3622                            (if (and (memq (car nums) flagged-list)
3623                                     (elmo-message-accessible-p
3624                                      wl-summary-buffer-elmo-folder
3625                                      (car nums)))
3626                                (throw 'done (car nums)))
3627                            (setq nums (cdr nums)))))
3628                     ((eq (car (car cur-spec)) 't)
3629                      (if wl-summary-buffer-target-mark-list
3630                          (while nums
3631                            (if (memq (car nums)
3632                                      wl-summary-buffer-target-mark-list)
3633                                (throw 'done (car nums)))
3634                            (setq nums (cdr nums))))))
3635               (setq cur-spec (cdr cur-spec))))
3636         (car nums)))))
3637
3638 (defsubst wl-summary-cursor-move (direction hereto)
3639   (when (and (eq direction 'up)
3640              (eobp))
3641     (forward-line -1)
3642     (setq hereto t))
3643   (let (num)
3644     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3645                                              direction hereto))
3646       (if (numberp num)
3647           (wl-thread-jump-to-msg num))
3648       t)))
3649 ;;
3650 ;; Goto unread or global flag message
3651 ;; returns t if next message exists in this folder.
3652 (defun wl-summary-cursor-down (&optional hereto)
3653   (interactive "P")
3654   (wl-summary-cursor-move 'down hereto))
3655
3656 (defun wl-summary-cursor-up (&optional hereto)
3657   (interactive "P")
3658   (wl-summary-cursor-move 'up hereto))
3659
3660 (defun wl-summary-save-view-cache ()
3661   (save-excursion
3662     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3663            (cache (expand-file-name wl-summary-cache-file dir))
3664            (view (expand-file-name wl-summary-view-file dir))
3665            (save-view wl-summary-buffer-view)
3666            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3667            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3668            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3669            (temp-column wl-summary-buffer-temp-mark-column)
3670            (charset wl-summary-buffer-mime-charset))
3671       (when dir
3672         (if (file-directory-p dir)
3673             (); ok.
3674           (if (file-exists-p dir)
3675               (error "File %s already exists" dir)
3676             (elmo-make-directory dir)))
3677         (if (eq save-view 'thread)
3678             (wl-thread-save-entity dir))
3679         (when wl-summary-check-line-format
3680           (wl-summary-line-format-save))
3681         (unwind-protect
3682             (progn
3683               (when (file-writable-p cache)
3684                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3685                 (with-current-buffer tmp-buffer
3686                   (widen)
3687                   (make-local-variable 'wl-summary-highlight)
3688                   (setq wl-summary-highlight nil
3689                         wl-summary-buffer-target-mark-list mark-list
3690                         wl-summary-buffer-temp-mark-list temp-list
3691                         wl-summary-buffer-temp-mark-column temp-column)
3692                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3693                   (encode-coding-region
3694                    (point-min) (point-max)
3695                    (or (and wl-on-mule
3696                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3697                             (mime-charset-to-coding-system charset 'LF))
3698                        ;; Mule 2 doesn't have `*ctext*unix'.
3699                        (mime-charset-to-coding-system charset)))
3700                   (write-region-as-binary (point-min)(point-max)
3701                                           cache nil 'no-msg)))
3702               (when (file-writable-p view) ; 'thread or 'sequence
3703                 (with-temp-buffer
3704                   (prin1 save-view (current-buffer))
3705                   (princ "\n" (current-buffer))
3706                   (write-region (point-min) (point-max) view nil 'no-msg))))
3707           ;; kill tmp buffer.
3708           (kill-buffer tmp-buffer))))))
3709
3710 (defsubst wl-summary-get-sync-range (folder)
3711   (intern (or (and
3712                (elmo-folder-plugged-p folder)
3713                (wl-get-assoc-list-value
3714                 wl-folder-sync-range-alist
3715                 (elmo-folder-name-internal folder)
3716                 'function))
3717               wl-default-sync-range)))
3718
3719 ;; redefined for wl-summary-sync-update
3720 (defun wl-summary-input-range (folder)
3721   "returns update or all or rescan."
3722   ;; for the case when parts are expanded in the bottom of the folder
3723   (let ((input-range-list '("no-sync"
3724                             "first:"
3725                             "last:"
3726                             "cache-status"
3727                             "mark"
3728                             "rescan"
3729                             "rescan-noscore"
3730                             "rescan-thread"
3731                             "update"
3732                             "update-entirely"
3733                             "all"
3734                             "all-entirely"))
3735         (default (or (wl-get-assoc-list-value
3736                       wl-folder-sync-range-alist
3737                       folder
3738                       'function)
3739                      wl-default-sync-range))
3740         range)
3741     (setq range
3742           (completing-read (format "Range (%s): " default)
3743                            (mapcar
3744                             (function (lambda (x) (cons x x)))
3745                             input-range-list)))
3746     (if (string= range "")
3747         default
3748       range)))
3749
3750 (defun wl-summary-toggle-disp-folder (&optional arg)
3751   (interactive)
3752   (let ((cur-buf (current-buffer))
3753         (summary-win (get-buffer-window (current-buffer)))
3754         fld-buf fld-win)
3755     (cond
3756      ((eq arg 'on)
3757       (setq wl-summary-buffer-disp-folder t)
3758       ;; hide your folder window
3759       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3760           (if (setq fld-win (get-buffer-window fld-buf))
3761               (delete-window fld-win))))
3762      ((eq arg 'off)
3763       (setq wl-summary-buffer-disp-folder nil)
3764       ;; hide your wl-message window!
3765       (when (buffer-live-p wl-message-buffer)
3766         (wl-message-select-buffer wl-message-buffer)
3767         (delete-window))
3768       (select-window (get-buffer-window cur-buf))
3769       ;; display wl-folder window!!
3770       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3771           (if (setq fld-win (get-buffer-window fld-buf))
3772               ;; folder win is already displayed.
3773               (select-window fld-win)
3774             ;; folder win is not displayed.
3775             (switch-to-buffer fld-buf))
3776         ;; no folder buf
3777         (wl-folder))
3778       ;; temporarily delete summary-win.
3779       (if summary-win
3780           (delete-window summary-win))
3781       (split-window-horizontally wl-folder-window-width)
3782       (other-window 1)
3783       (switch-to-buffer cur-buf))
3784      (t
3785       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3786           (if (setq fld-win (get-buffer-window fld-buf))
3787               (setq wl-summary-buffer-disp-folder nil)
3788             (setq wl-summary-buffer-disp-folder t)))
3789       (if (not wl-summary-buffer-disp-folder)
3790           ;; hide message window
3791           (let ((mes-win (and wl-message-buffer
3792                               (get-buffer-window wl-message-buffer)))
3793                 (wl-stay-folder-window t))
3794             (if mes-win (delete-window mes-win))
3795             ;; hide your folder window
3796             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3797                 (if (setq fld-win (get-buffer-window fld-buf))
3798                     (progn
3799                       (delete-window (get-buffer-window cur-buf))
3800                       (select-window fld-win)
3801                       (switch-to-buffer cur-buf))))
3802             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3803             ;; resume message window.
3804             (when mes-win
3805               (wl-message-select-buffer wl-message-buffer)
3806               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3807               (select-window (get-buffer-window cur-buf))))
3808         ;; hide message window
3809         (let ((wl-stay-folder-window t)
3810               (mes-win (and wl-message-buffer
3811                             (get-buffer-window wl-message-buffer))))
3812           (if mes-win (delete-window mes-win))
3813           (select-window (get-buffer-window cur-buf))
3814           ;; display wl-folder window!!
3815           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3816               (if (setq fld-win (get-buffer-window fld-buf))
3817                   ;; folder win is already displayed.
3818                   (select-window fld-win)
3819                 ;; folder win is not displayed...occupy all.
3820                 (switch-to-buffer fld-buf))
3821             ;; no folder buf
3822             (wl-folder))
3823           (split-window-horizontally wl-folder-window-width)
3824           (other-window 1)
3825           (switch-to-buffer cur-buf)
3826           ;; resume message window.
3827           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3828           (when mes-win
3829             (wl-message-select-buffer wl-message-buffer)
3830             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3831             (select-window (get-buffer-window cur-buf))))))))
3832   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3833
3834 (defun wl-summary-toggle-disp-msg (&optional arg)
3835   (interactive)
3836   (let ((cur-buf (current-buffer))
3837         fld-buf fld-win
3838         summary-win)
3839     (cond
3840      ((eq arg 'on)
3841       (setq wl-summary-buffer-disp-msg t)
3842       (save-excursion
3843         ;; hide your folder window
3844         (if (and (not wl-stay-folder-window)
3845                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3846             (if (setq fld-win (get-buffer-window fld-buf))
3847                 (unless (one-window-p fld-win)
3848                   (delete-window fld-win))))))
3849      ((eq arg 'off)
3850       (wl-delete-all-overlays)
3851       (setq wl-summary-buffer-disp-msg nil)
3852       (save-excursion
3853         (when (buffer-live-p wl-message-buffer)
3854           (wl-message-select-buffer wl-message-buffer)
3855           (delete-window)
3856           (and (get-buffer-window cur-buf)
3857                (select-window (get-buffer-window cur-buf))))
3858         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3859      (t
3860       (if (and wl-message-buffer
3861                (get-buffer-window wl-message-buffer)) ; already displayed
3862           (setq wl-summary-buffer-disp-msg nil)
3863         (setq wl-summary-buffer-disp-msg t))
3864       (if wl-summary-buffer-disp-msg
3865           (progn
3866             (wl-summary-redisplay)
3867 ;;; hide your folder window
3868 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3869 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3870 ;;;             (delete-window fld-win)))
3871             (run-hooks 'wl-summary-toggle-disp-on-hook))
3872         (wl-delete-all-overlays)
3873         (save-excursion
3874           (wl-message-select-buffer wl-message-buffer)
3875           (delete-window)
3876           (select-window (get-buffer-window cur-buf))
3877           (setq wl-message-buffer nil)
3878           (run-hooks 'wl-summary-toggle-disp-off-hook))
3879 ;;;     (switch-to-buffer cur-buf)
3880         )))
3881     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3882
3883 (defun wl-summary-enter-handler (&optional arg)
3884   "A command for `enter' key in the summary.
3885 Basically, it shows next line of the message.
3886 If optional argument ARG is specified, behave as followed.
3887 If ARG is number, jump to the message.
3888 Otherwise it shows previous line of the message."
3889   (interactive "P")
3890   (cond ((numberp arg)
3891          (unless (wl-thread-jump-to-msg arg)
3892            (message "Message (#%d) was not found." arg)))
3893         (arg
3894          (wl-summary-prev-line-content))
3895         (t
3896          (wl-summary-next-line-content))))
3897
3898 (defun wl-summary-next-line-content ()
3899   "Show next line of the message."
3900   (interactive)
3901   (let ((cur-buf (current-buffer)))
3902     (wl-summary-toggle-disp-msg 'on)
3903     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3904       (set-buffer cur-buf)
3905       (wl-message-next-page 1))))
3906
3907 (defun wl-summary-prev-line-content ()
3908   (interactive)
3909   (let ((cur-buf (current-buffer)))
3910     (wl-summary-toggle-disp-msg 'on)
3911     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3912       (set-buffer cur-buf)
3913       (wl-message-prev-page 1))))
3914
3915 (defun wl-summary-next-page ()
3916   (interactive)
3917   (let ((cur-buf (current-buffer)))
3918     (wl-summary-toggle-disp-msg 'on)
3919     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3920       (set-buffer cur-buf)
3921       (wl-message-next-page))))
3922
3923 (defun wl-summary-prev-page ()
3924   (interactive)
3925   (let ((cur-buf (current-buffer)))
3926     (wl-summary-toggle-disp-msg 'on)
3927     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3928       (set-buffer cur-buf)
3929       (wl-message-prev-page))))
3930
3931 (defsubst wl-summary-no-mime-p (folder)
3932   (wl-string-match-member (elmo-folder-name-internal folder)
3933                           wl-summary-no-mime-folder-list))
3934
3935 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3936   "Set message buffer.
3937 If message is not displayed yet, display it.
3938 Return t if message exists."
3939   (let ((folder wl-summary-buffer-elmo-folder)
3940         (number (wl-summary-message-number))
3941         cur-folder cur-number message-last-pos)
3942     (when (buffer-live-p wl-message-buffer)
3943       (save-window-excursion
3944         (setq wl-current-summary-buffer (current-buffer))
3945         (wl-message-select-buffer wl-message-buffer)
3946         (setq cur-folder wl-message-buffer-cur-folder)
3947         (setq cur-number wl-message-buffer-cur-number)))
3948     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3949              (eq number (or cur-number 0)))
3950         (progn
3951           (set-buffer wl-message-buffer)
3952           t)
3953       (wl-summary-redisplay-internal folder number)
3954       (when (buffer-live-p wl-message-buffer)
3955         (set-buffer wl-message-buffer))
3956       nil)))
3957
3958 (defun wl-summary-target-mark-forward (&optional arg)
3959   (interactive "P")
3960   (wl-summary-check-target-mark)
3961   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3962         (summary-buf (current-buffer))
3963         (wl-draft-forward t)
3964         start-point
3965         draft-buf)
3966     (wl-summary-jump-to-msg (car mlist))
3967     (wl-summary-forward t)
3968     (setq start-point (point))
3969     (setq draft-buf (current-buffer))
3970     (setq mlist (cdr mlist))
3971     (save-window-excursion
3972       (when mlist
3973         (while mlist
3974           (set-buffer summary-buf)
3975           (wl-summary-jump-to-msg (car mlist))
3976           (wl-summary-redisplay)
3977           (set-buffer draft-buf)
3978           (goto-char (point-max))
3979           (wl-draft-insert-message)
3980           (setq mlist (cdr mlist)))
3981         (wl-draft-body-goto-top)
3982         (wl-draft-enclose-digest-region (point) (point-max)))
3983       (goto-char start-point)
3984       (save-excursion
3985         (set-buffer summary-buf)
3986         (wl-summary-delete-all-target-marks)))
3987     (run-hooks 'wl-mail-setup-hook)))
3988
3989 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3990   (interactive "P")
3991   (wl-summary-check-target-mark)
3992   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3993         (summary-buf (current-buffer))
3994         change-major-mode-hook
3995         start-point
3996         draft-buf)
3997     (wl-summary-jump-to-msg (car mlist))
3998     (when (wl-summary-reply arg t)
3999       (goto-char (point-max))
4000       (setq start-point (point-marker))
4001       (setq draft-buf (current-buffer))
4002       (save-window-excursion
4003         (while mlist
4004           (set-buffer summary-buf)
4005           (delete-other-windows)
4006           (wl-summary-jump-to-msg (car mlist))
4007           (wl-summary-redisplay)
4008           (set-buffer draft-buf)
4009           (goto-char (point-max))
4010           (wl-draft-yank-original)
4011           (setq mlist (cdr mlist)))
4012         (goto-char start-point)
4013         (save-excursion
4014           (set-buffer summary-buf)
4015           (wl-summary-delete-all-target-marks)))
4016       (wl-draft-reply-position wl-draft-reply-default-position)
4017       (run-hooks 'wl-mail-setup-hook))))
4018
4019 (defun wl-summary-reply-with-citation (&optional arg)
4020   (interactive "P")
4021   (when (wl-summary-reply arg t)
4022     (goto-char (point-max))
4023     (wl-draft-yank-original)
4024     (wl-draft-reply-position wl-draft-reply-default-position)
4025     (run-hooks 'wl-mail-setup-hook)))
4026
4027 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4028   (interactive)
4029   (let* ((original (wl-summary-message-number))
4030          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4031          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
4032          msg otherfld schar
4033          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
4034     (if (setq msg (elmo-message-entity-number entity))
4035         (progn
4036           (wl-thread-jump-to-msg msg)
4037           t)
4038       ;; for XEmacs!
4039       (if (and elmo-use-database
4040                (setq errmsg
4041                      (format
4042                       "No message with id \"%s\" in the database." msgid))
4043                (setq otherfld (elmo-database-msgid-get msgid)))
4044           (if (cdr (wl-summary-jump-to-msg-internal
4045                     (car otherfld) (nth 1 otherfld) 'no-sync))
4046               t ; succeed.
4047             ;; Back to original.
4048             (wl-summary-jump-to-msg-internal
4049              (wl-summary-buffer-folder-name) original 'no-sync))
4050         (cond ((eq wl-summary-search-via-nntp 'confirm)
4051                (require 'elmo-nntp)
4052                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
4053                         elmo-nntp-default-server)
4054                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
4055                (cond ((eq schar ?y)
4056                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4057                      ((eq schar ?s)
4058                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4059                        msgid
4060                        (read-from-minibuffer "NNTP Server: ")))
4061                      (t
4062                       (message "%s" errmsg)
4063                       nil)))
4064               ((or (eq wl-summary-search-via-nntp 'force)
4065                    (and
4066                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4067                         'nntp)
4068                     wl-summary-search-via-nntp))
4069                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4070               (t
4071                (message "%s" errmsg)
4072                nil))))))
4073
4074 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4075   (interactive)
4076   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4077          newsgroups folder ret
4078          user server port type spec)
4079     (if server-spec
4080         (if (string-match "^-" server-spec)
4081             (setq spec (wl-folder-get-elmo-folder server-spec)
4082                   user (elmo-net-folder-user-internal spec)
4083                   server (elmo-net-folder-server-internal spec)
4084                   port (elmo-net-folder-port-internal spec)
4085                   type (elmo-net-folder-stream-type-internal spec))
4086           (setq server server-spec)))
4087     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4088                      msgid
4089                      (or server elmo-nntp-default-server)
4090                      (or user elmo-nntp-default-user)
4091                      (or port elmo-nntp-default-port)
4092                      (or type elmo-nntp-default-stream-type)))
4093       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4094       (setq folder (concat "-" (car newsgroups)
4095                            (elmo-nntp-folder-postfix user server port type)))
4096       (catch 'found
4097         (while newsgroups
4098           (if (wl-folder-entity-exists-p (car newsgroups)
4099                                          wl-folder-newsgroups-hashtb)
4100               (throw 'found
4101                      (setq folder (concat "-" (car newsgroups)
4102                                           (elmo-nntp-folder-postfix
4103                                            user server port type)))))
4104           (setq newsgroups (cdr newsgroups)))))
4105     (if ret
4106         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4107       (message "No message id \"%s\" in nntp server \"%s\"."
4108                msgid (or server elmo-nntp-default-server))
4109       nil)))
4110
4111 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4112   (let (wl-auto-select-first entity)
4113     (if (or (string= folder (wl-summary-buffer-folder-name))
4114             (y-or-n-p
4115              (format
4116               "Message was found in the folder \"%s\". Jump to it? "
4117               folder)))
4118         (progn
4119           (unwind-protect
4120               (wl-summary-goto-folder-subr
4121                folder scan-type nil nil t)
4122             (if msgid
4123                 (setq msg
4124                       (elmo-message-entity-number
4125                        (elmo-message-entity
4126                         wl-summary-buffer-elmo-folder
4127                         msgid))))
4128             (setq entity (wl-folder-search-entity-by-name folder
4129                                                           wl-folder-entity
4130                                                           'folder))
4131             (if entity
4132                 (wl-folder-set-current-entity-id
4133                  (wl-folder-get-entity-id entity))))
4134           (if (null msg)
4135               (message "Message was not found currently in this folder.")
4136             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4137           (cons folder msg)))))
4138
4139 (defun wl-summary-jump-to-parent-message (arg)
4140   (interactive "P")
4141   (let ((cur-buf (current-buffer))
4142         (disp-msg wl-summary-buffer-disp-msg)
4143         (number (wl-summary-message-number))
4144         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4145         (i -1) ;; xxx
4146         msg-id msg-num ref-list ref irt)
4147     (if (null number)
4148         (message "No message.")
4149       (when (eq wl-summary-buffer-view 'thread)
4150         (cond ((and arg (not (numberp arg)))
4151                (setq msg-num
4152                      (wl-thread-entity-get-number
4153                       (wl-thread-entity-get-top-entity
4154                        (wl-thread-get-entity number)))))
4155               ((and arg (numberp arg))
4156                (setq i 0)
4157                (setq msg-num number)
4158                (while (< i arg)
4159                  (setq msg-num
4160                        (wl-thread-entity-get-number
4161                         (wl-thread-entity-get-parent-entity
4162                          (wl-thread-get-entity msg-num))))
4163                  (setq i (1+ i))))
4164               (t (setq msg-num
4165                        (wl-thread-entity-get-number
4166                         (wl-thread-entity-get-parent-entity
4167                          (wl-thread-get-entity number)))))))
4168       (when (null msg-num)
4169         (wl-summary-set-message-buffer-or-redisplay)
4170         (set-buffer (wl-message-get-original-buffer))
4171         (message "Searching parent message...")
4172         (setq ref (std11-field-body "References")
4173               irt (std11-field-body "In-Reply-To"))
4174         (cond
4175          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4176                (string-match regexp ref))
4177           ;; The first message of the thread.
4178           (setq msg-id (wl-match-string 1 ref)))
4179          ;; "In-Reply-To:" has only one msg-id.
4180          ((and (null arg) irt (not (string= irt ""))
4181                (string-match regexp irt))
4182           (setq msg-id (wl-match-string 1 irt)))
4183          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4184                (string-match regexp ref))
4185           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4186           (while (string-match regexp ref)
4187             (setq ref-list
4188                   (append (list
4189                            (wl-match-string 1 ref))
4190                           ref-list))
4191             (setq ref (substring ref (match-end 0)))
4192             (setq i (1+ i)))
4193           (setq msg-id
4194                 (if (null arg) (nth 0 ref-list) ;; previous
4195                   (if (<= arg i) (nth (1- arg) ref-list)
4196                     (nth i ref-list))))))
4197         (set-buffer cur-buf)
4198         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4199       (cond ((and (null msg-id) (null msg-num))
4200              (message "No parent message!")
4201              nil)
4202             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4203              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4204              (message "Searching parent message...done")
4205              t)
4206             ((and msg-num (wl-summary-jump-to-msg msg-num))
4207              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4208              (message "Searching parent message...done")
4209              t)
4210             (t ; failed.
4211              (message "Parent message was not found.")
4212              nil)))))
4213
4214 (defun wl-summary-reply (&optional arg without-setup-hook)
4215   "Reply to current message. Default is \"wide\" reply.
4216 Reply to author if invoked with ARG."
4217   (interactive "P")
4218   (let ((folder wl-summary-buffer-elmo-folder)
4219         (number (wl-summary-message-number))
4220         (summary-buf (current-buffer))
4221         (winconf (current-window-configuration))
4222         mes-buf)
4223     (when number
4224       (save-excursion
4225         (wl-summary-set-message-buffer-or-redisplay))
4226       (wl-message-select-buffer wl-message-buffer)
4227       (condition-case err
4228           (when (setq mes-buf (wl-message-get-original-buffer))
4229             (wl-draft-reply mes-buf arg summary-buf number)
4230             (wl-draft-reply-position wl-draft-reply-default-position)
4231             (unless without-setup-hook
4232               (run-hooks 'wl-mail-setup-hook)))
4233         (error (set-window-configuration winconf)
4234                (signal (car err)(cdr err))))
4235       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4236       t)))
4237
4238 (defun wl-summary-write ()
4239   "Write a new draft from Summary."
4240   (interactive)
4241   (wl-draft (list (cons 'To ""))
4242             nil nil nil nil (wl-summary-buffer-folder-name))
4243   (run-hooks 'wl-mail-setup-hook)
4244   (mail-position-on-field "To"))
4245
4246 (defvar wl-summary-write-current-folder-functions
4247   '(wl-folder-get-newsgroups
4248     wl-folder-guess-mailing-list-by-refile-rule
4249     wl-folder-guess-mailing-list-by-folder-name)
4250   "Newsgroups or Mailing List address guess functions list.
4251 Call from `wl-summary-write-current-folder'.
4252 When guess function return nil, challenge next guess-function.")
4253
4254 (defun wl-summary-write-current-folder (&optional folder)
4255   "Write message to current FOLDER's newsgroup or mailing-list.
4256 Use function list is `wl-summary-write-current-folder-functions'."
4257   (interactive)
4258   ;; default FOLDER is current buffer folder
4259   (setq folder (or folder (wl-summary-buffer-folder-name)))
4260   (let ((func-list wl-summary-write-current-folder-functions)
4261         guess-list guess-func)
4262     (while func-list
4263       (setq guess-list (funcall (car func-list) folder))
4264       (if (null guess-list)
4265           (setq func-list (cdr func-list))
4266         (setq guess-func (car func-list))
4267         (setq func-list nil)))
4268     (if (null guess-func)
4269         (wl-summary-write)
4270       (unless (or (stringp (nth 0 guess-list))
4271                   (stringp (nth 1 guess-list))
4272                   (stringp (nth 2 guess-list)))
4273         (error "Invalid value return guess function `%s'"
4274                (symbol-name guess-func)))
4275       (wl-draft (list (cons 'To (nth 0 guess-list))
4276                       (cons 'Cc (nth 1 guess-list))
4277                       (cons 'Newsgroups (nth 2 guess-list)))
4278                 nil nil nil nil folder)
4279       (run-hooks 'wl-mail-setup-hook)
4280       (mail-position-on-field "Subject"))))
4281
4282 (defun wl-summary-forward (&optional without-setup-hook)
4283   ""
4284   (interactive)
4285   (let ((folder wl-summary-buffer-elmo-folder)
4286         (number (wl-summary-message-number))
4287         (summary-buf (current-buffer))
4288         (wl-draft-forward t)
4289         entity subject num)
4290     (if (null number)
4291         (message "No message.")
4292       (if (and (elmo-message-use-cache-p folder number)
4293                (eq (elmo-file-cache-status
4294                     (elmo-file-cache-get
4295                      (elmo-message-field folder number 'message-id)))
4296                    'section))
4297           ;; Reload.
4298           (wl-summary-redisplay-internal nil nil 'force-reload)
4299         (wl-summary-redisplay-internal folder number))
4300       (wl-message-select-buffer wl-message-buffer)
4301       (setq subject (with-current-buffer
4302                         wl-message-buffer-original-buffer
4303                       (std11-field-body "Subject")))
4304       (wl-draft-forward subject summary-buf number)
4305       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4306       (unless without-setup-hook
4307         (run-hooks 'wl-mail-setup-hook)))))
4308
4309 (defun wl-summary-click (e)
4310   (interactive "e")
4311   (mouse-set-point e)
4312   (wl-summary-read))
4313
4314 (defun wl-summary-read ()
4315   "Proceed reading message in the summary buffer."
4316   (interactive)
4317   (let ((cur-buf (current-buffer)))
4318     (wl-summary-toggle-disp-msg 'on)
4319     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4320       (set-buffer cur-buf)
4321       (if (wl-message-next-page)
4322           (wl-summary-down t)))))
4323
4324 (defsubst wl-summary-cursor-move-surface (downward interactive)
4325   (if wl-summary-move-direction-toggle
4326       (setq wl-summary-move-direction-downward downward))
4327   (let ((start (point))
4328         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4329         (skip t)
4330         (column (current-column))
4331         goto-next next-entity finfo)
4332     (beginning-of-line)
4333     (while (and skip
4334                 (not (if downward (eobp) (bobp))))
4335       (if downward
4336           (forward-line 1)
4337         (forward-line -1))
4338       (setq skip (or (string-match skip-tmark-regexp
4339                                    (wl-summary-temp-mark))
4340                      (not (and (wl-summary-message-number)
4341                                (elmo-message-accessible-p
4342                                 wl-summary-buffer-elmo-folder
4343                                 (wl-summary-message-number)))))))
4344     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4345     (if (or (eobp) (and (bobp) skip))
4346         (goto-char start))
4347     (move-to-column column)
4348
4349     (if (not goto-next)
4350         (if wl-summary-buffer-disp-msg
4351             (wl-summary-redisplay))
4352       (if interactive
4353           (cond
4354            ((and (not downward) wl-summary-buffer-prev-folder-function)
4355             (funcall wl-summary-buffer-prev-folder-function))
4356            ((and downward wl-summary-buffer-next-folder-function)
4357             (funcall wl-summary-buffer-next-folder-function))
4358            (t
4359             (when wl-auto-select-next
4360               (setq next-entity
4361                     (if downward
4362                         (wl-summary-get-next-folder)
4363                       (wl-summary-get-prev-folder)))
4364               (if next-entity
4365                   (setq finfo (wl-folder-get-entity-info next-entity))))
4366             (wl-ask-folder
4367              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4368              (format
4369               "No more messages. Type SPC to go to %s."
4370               (wl-summary-entity-info-msg next-entity finfo)))))))))
4371
4372 (defun wl-summary-prev (&optional interactive)
4373   (interactive)
4374   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4375
4376 (defun wl-summary-next (&optional interactive)
4377   (interactive)
4378   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4379
4380 (defun wl-summary-up (&optional interactive skip-no-unread)
4381   ""
4382   (interactive)
4383   (if wl-summary-move-direction-toggle
4384       (setq wl-summary-move-direction-downward nil))
4385   (if (wl-summary-cursor-up)
4386       (if wl-summary-buffer-disp-msg
4387           (wl-summary-redisplay))
4388     (if (or interactive
4389             (interactive-p))
4390         (if wl-summary-buffer-prev-folder-function
4391             (funcall wl-summary-buffer-prev-folder-function)
4392           (let (next-entity finfo)
4393             (when wl-auto-select-next
4394               (progn
4395                 (setq next-entity (wl-summary-get-prev-unread-folder))
4396                 (if next-entity
4397                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4398             (if (and skip-no-unread
4399                      (eq wl-auto-select-next 'skip-no-unread))
4400                 (wl-summary-next-folder-or-exit next-entity t)
4401               (wl-ask-folder
4402                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4403                (format
4404                 "No more unread messages. Type SPC to go to %s."
4405                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4406
4407 (defun wl-summary-get-prev-folder ()
4408   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4409         last-entity cur-id)
4410     (when folder-buf
4411       (setq cur-id (save-excursion (set-buffer folder-buf)
4412                                    wl-folder-buffer-cur-entity-id))
4413       (wl-folder-get-prev-folder cur-id))))
4414
4415 (defun wl-summary-get-next-folder ()
4416   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4417         cur-id)
4418     (when folder-buf
4419       (setq cur-id (save-excursion (set-buffer folder-buf)
4420                                    wl-folder-buffer-cur-entity-id))
4421       (wl-folder-get-next-folder cur-id))))
4422
4423 (defun wl-summary-get-next-unread-folder ()
4424   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4425         cur-id)
4426     (when folder-buf
4427       (setq cur-id (save-excursion (set-buffer folder-buf)
4428                                    wl-folder-buffer-cur-entity-id))
4429       (wl-folder-get-next-folder cur-id 'unread))))
4430
4431 (defun wl-summary-get-prev-unread-folder ()
4432   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4433         cur-id)
4434     (when folder-buf
4435       (setq cur-id (save-excursion (set-buffer folder-buf)
4436                                    wl-folder-buffer-cur-entity-id))
4437       (wl-folder-get-prev-folder cur-id 'unread))))
4438
4439 (defun wl-summary-down (&optional interactive skip-no-unread)
4440   (interactive)
4441   (if wl-summary-move-direction-toggle
4442       (setq wl-summary-move-direction-downward t))
4443   (if (wl-summary-cursor-down)
4444       (if wl-summary-buffer-disp-msg
4445           (wl-summary-redisplay))
4446     (if (or interactive
4447             (interactive-p))
4448         (if wl-summary-buffer-next-folder-function
4449             (funcall wl-summary-buffer-next-folder-function)
4450           (let (next-entity finfo)
4451             (when wl-auto-select-next
4452               (setq next-entity (wl-summary-get-next-unread-folder)))
4453             (if next-entity
4454                 (setq finfo (wl-folder-get-entity-info next-entity)))
4455             (if (and skip-no-unread
4456                      (eq wl-auto-select-next 'skip-no-unread))
4457                 (wl-summary-next-folder-or-exit next-entity)
4458               (wl-ask-folder
4459                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4460                (format
4461                 "No more unread messages. Type SPC to go to %s."
4462                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4463
4464 (defun wl-summary-goto-last-displayed-msg ()
4465   (interactive)
4466   (unless wl-summary-buffer-last-displayed-msg
4467     (setq wl-summary-buffer-last-displayed-msg
4468           wl-summary-buffer-current-msg))
4469   (if wl-summary-buffer-last-displayed-msg
4470       (progn
4471         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4472         (if wl-summary-buffer-disp-msg
4473             (wl-summary-redisplay)))
4474     (message "No last message.")))
4475
4476 (defun wl-summary-message-display-type ()
4477   (when (and wl-summary-buffer-disp-msg
4478              (buffer-live-p wl-message-buffer)
4479              wl-summary-buffer-current-msg
4480              (wl-summary-message-number)
4481              (= (wl-summary-message-number) wl-summary-buffer-current-msg))
4482     (wl-message-buffer-display-type wl-message-buffer)))
4483
4484 (defun wl-summary-buffer-display-mime-mode ()
4485   (or (wl-message-display-type-property (wl-summary-message-display-type)
4486                                         :mime)
4487       wl-summary-buffer-display-mime-mode))
4488
4489 (defun wl-summary-buffer-display-header-mode ()
4490   (or (wl-message-display-type-property (wl-summary-message-display-type)
4491                                         :header)
4492       wl-summary-buffer-display-header-mode))
4493
4494 (defun wl-summary-toggle-mime (&optional arg)
4495   "Toggle MIME decoding.
4496 If ARG is non-nil, ask coding-system to display the message in the current
4497 MIME analysis mode.
4498
4499 If ARG is numeric number, decode message as following:
4500 1: Enable MIME analysis.
4501 2: Enable MIME analysis only for headers.
4502 3: Disable MIME analysis."
4503   (interactive "P")
4504   (let ((mime-mode (wl-summary-buffer-display-mime-mode))
4505         (elmo-mime-display-as-is-coding-system
4506          elmo-mime-display-as-is-coding-system))
4507     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4508         (progn
4509           (setq wl-summary-buffer-display-mime-mode mime-mode)
4510           (wl-summary-update-modeline))
4511       (cond
4512        ((numberp arg)
4513         (setq mime-mode (case arg
4514                           (1 'mime)
4515                           (2 'header-only)
4516                           (3 'as-is)
4517 ;;;                       (4 'decode-only)
4518                           (5 'no-merge))))
4519        (arg
4520         ;; Specify coding-system (doesn't change the MIME mode).
4521         (setq elmo-mime-display-as-is-coding-system
4522               (if (and arg
4523                        (not (wl-message-mime-analysis-p
4524                              (wl-summary-message-display-type))))
4525                   (or (read-coding-system "Coding system: ")
4526                       elmo-mime-display-as-is-coding-system)
4527                 elmo-mime-display-as-is-coding-system)))
4528        (t
4529         ;; Change the MIME mode.
4530         (setq mime-mode (or (cadr (memq mime-mode
4531                                         wl-summary-display-mime-mode-list))
4532                             (car wl-summary-display-mime-mode-list)))))
4533       (wl-summary-redisplay-internal nil nil arg mime-mode))
4534     (message "MIME decoding: %s%s"
4535              (upcase (symbol-name mime-mode))
4536              (if (and (not (eq mime-mode 'mime))
4537                       (not (eq elmo-mime-display-as-is-coding-system
4538                                wl-cs-autoconv)))
4539                  (concat " ("
4540                          (symbol-name elmo-mime-display-as-is-coding-system)
4541                          ")")
4542                ""))))
4543
4544 (defun wl-summary-redisplay (&optional arg)
4545   "Redisplay message."
4546   (interactive "P")
4547   (apply #'wl-summary-redisplay-internal nil nil arg
4548          (unless (and (consp arg) (> (prefix-numeric-value arg) 4))
4549            (list wl-summary-buffer-display-mime-mode
4550                  wl-summary-buffer-display-header-mode))))
4551
4552 (defun wl-summary-toggle-all-header (&optional arg)
4553   "Toggle displaying message with all header."
4554   (interactive "P")
4555   (let ((header-mode (wl-summary-buffer-display-header-mode)))
4556     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4557         (setq wl-summary-buffer-display-header-mode header-mode)
4558       (wl-summary-redisplay-internal
4559        nil nil arg nil
4560        (if (eq header-mode 'all) 'partial 'all)))))
4561
4562 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4563                                                 mime-mode header-mode)
4564   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4565          (num (or number (wl-summary-message-number)))
4566          (wl-mime-charset      wl-summary-buffer-mime-charset)
4567          (default-mime-charset wl-summary-buffer-mime-charset)
4568          fld-buf fld-win thr-entity
4569          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4570                                          (and force-reload
4571                                               elmo-message-fetch-threshold))))
4572     (if (and wl-thread-open-reading-thread
4573              (eq wl-summary-buffer-view 'thread)
4574              (not (wl-thread-entity-get-opened
4575                    (setq thr-entity (wl-thread-get-entity
4576                                      num))))
4577              (wl-thread-entity-get-children thr-entity))
4578         (wl-thread-force-open))
4579     (if num
4580         (progn
4581           (setq wl-summary-buffer-disp-msg t)
4582           (setq wl-summary-buffer-last-displayed-msg
4583                 wl-summary-buffer-current-msg)
4584           ;; hide folder window
4585           (if (and (not wl-stay-folder-window)
4586                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4587               (if (setq fld-win (get-buffer-window fld-buf))
4588                   (delete-window fld-win)))
4589           (setq wl-current-summary-buffer (current-buffer))
4590           (wl-message-redisplay folder num
4591                                 (wl-message-make-display-type
4592                                  (or mime-mode
4593                                      (wl-summary-buffer-display-mime-mode))
4594                                  (or header-mode
4595                                      (wl-summary-buffer-display-header-mode)))
4596                                 (or force-reload
4597                                     (string= (elmo-folder-name-internal folder)
4598                                              wl-draft-folder)))
4599           (when (elmo-message-use-cache-p folder num)
4600             (elmo-message-set-cached folder num t))
4601           (ignore-errors
4602             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4603                                         num
4604                                         'unread)
4605                 (wl-summary-mark-as-read num)
4606               (wl-summary-count-unread)
4607               (wl-summary-update-modeline)
4608               (wl-folder-update-unread
4609                (wl-summary-buffer-folder-name)
4610                wl-summary-buffer-unread-count)))
4611           (setq wl-summary-buffer-current-msg num)
4612           (when wl-summary-recenter
4613             (recenter (/ (- (window-height) 2) 2))
4614             (if (not wl-summary-indent-length-limit)
4615                 (wl-horizontal-recenter)))
4616           (wl-highlight-summary-displaying)
4617           (wl-message-buffer-prefetch-next
4618            folder num
4619            (min (or wl-message-buffer-prefetch-depth 0)
4620                 (1- wl-message-buffer-cache-size))
4621            (current-buffer)
4622            wl-summary-buffer-mime-charset)
4623           (run-hooks 'wl-summary-redisplay-hook))
4624       (message "No message to display."))))
4625
4626 (defun wl-summary-jump-to-current-message ()
4627   "Jump into Message buffer."
4628   (interactive)
4629   (let (message-buf message-win)
4630     (if (setq message-buf wl-message-buffer)
4631         (if (setq message-win (get-buffer-window message-buf))
4632             (select-window message-win)
4633           (wl-message-select-buffer wl-message-buffer))
4634       (wl-summary-redisplay)
4635       (wl-message-select-buffer wl-message-buffer))))
4636
4637 (defun wl-summary-cancel-message ()
4638   "Cancel an article on news."
4639   (interactive)
4640   (if (null (wl-summary-message-number))
4641       (message "No message.")
4642     (let ((summary-buf (current-buffer))
4643           message-buf)
4644       (wl-summary-set-message-buffer-or-redisplay)
4645       (if (setq message-buf (wl-message-get-original-buffer))
4646           (set-buffer message-buf))
4647       (unless (wl-message-news-p)
4648         (set-buffer summary-buf)
4649         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4650                      'nntp)
4651                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4652             (progn
4653               (wl-summary-redisplay t)
4654               (wl-summary-supersedes-message))
4655           (error "This is not a news article; supersedes is impossible")))
4656       (when (yes-or-no-p "Do you really want to cancel this article? ")
4657         (let (from newsgroups message-id distribution buf)
4658           (save-excursion
4659             (setq from (std11-field-body "from")
4660                   newsgroups (std11-field-body "newsgroups")
4661                   message-id (std11-field-body "message-id")
4662                   distribution (std11-field-body "distribution"))
4663             ;; Make sure that this article was written by the user.
4664             (unless (wl-address-user-mail-address-p
4665                      (wl-address-header-extract-address
4666                       (car (wl-parse-addresses from))))
4667               (error "This article is not yours"))
4668             ;; Make control message.
4669             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4670             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4671             (buffer-disable-undo (current-buffer))
4672             (erase-buffer)
4673             (insert "Newsgroups: " newsgroups "\n"
4674                     "From: " (wl-address-header-extract-address
4675                               wl-from) "\n"
4676                               "Subject: cmsg cancel " message-id "\n"
4677                               "Control: cancel " message-id "\n"
4678                               (if distribution
4679                                   (concat "Distribution: " distribution "\n")
4680                                 "")
4681                               mail-header-separator "\n"
4682                               wl-summary-cancel-message)
4683             (message "Canceling your message...")
4684             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4685             (message "Canceling your message...done")))))))
4686
4687 (defun wl-summary-supersedes-message ()
4688   "Supersede current message."
4689   (interactive)
4690   (wl-summary-toggle-disp-msg 'off)
4691   (let ((summary-buf (current-buffer))
4692         message-buf from)
4693     (wl-summary-set-message-buffer-or-redisplay)
4694     (if (setq message-buf (wl-message-get-original-buffer))
4695         (set-buffer message-buf))
4696     (unless (wl-message-news-p)
4697       (set-buffer summary-buf)
4698       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4699                    'nntp)
4700                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4701           (progn
4702             (wl-summary-redisplay t)
4703             (wl-summary-supersedes-message))
4704         (error "This is not a news article; supersedes is impossible")))
4705     (save-excursion
4706       (setq from (std11-field-body "from"))
4707       ;; Make sure that this article was written by the user.
4708       (unless (wl-address-user-mail-address-p
4709                (wl-address-header-extract-address
4710                 (car (wl-parse-addresses from))))
4711         (error "This article is not yours"))
4712       (let* ((message-id (std11-field-body "message-id"))
4713              (followup-to (std11-field-body "followup-to"))
4714              (mail-default-headers
4715               (concat mail-default-headers
4716                       "Supersedes: " message-id "\n"
4717                       (and followup-to
4718                            (concat "Followup-To: " followup-to "\n")))))
4719         (if message-buf (set-buffer message-buf))
4720         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4721
4722 (defun wl-summary-save (&optional arg wl-save-dir)
4723   "Save current message to disk."
4724   (interactive)
4725   (let ((filename)
4726         (num (wl-summary-message-number)))
4727     (unless wl-save-dir
4728       (setq wl-save-dir wl-temporary-file-directory))
4729     (if num
4730         (save-excursion
4731           (setq filename (expand-file-name
4732                           (concat (int-to-string num)
4733                                   wl-summary-save-file-suffix)
4734                           wl-save-dir))
4735           (when (or (null arg)
4736                     (file-exists-p filename))
4737             (setq filename (read-file-name "Save to file: " filename)))
4738           (wl-summary-set-message-buffer-or-redisplay)
4739           (set-buffer (wl-message-get-original-buffer))
4740           (when (or arg
4741                     (not (file-exists-p filename))
4742                     (y-or-n-p "File already exists.  override it? "))
4743             (write-region-as-binary (point-min) (point-max) filename)))
4744       (message "No message to save."))
4745     num))
4746
4747 (defun wl-summary-save-region (beg end)
4748   (interactive "r")
4749   (save-excursion
4750     (save-restriction
4751       (wl-summary-narrow-to-region beg end)
4752       (goto-char (point-min))
4753       (let ((wl-save-dir
4754              (wl-read-directory-name "Save to directory: "
4755                                      wl-temporary-file-directory)))
4756         (if (null (file-exists-p wl-save-dir))
4757             (make-directory wl-save-dir))
4758         (if (eq wl-summary-buffer-view 'thread)
4759             (progn
4760               (while (not (eobp))
4761                 (let* ((number (wl-summary-message-number))
4762                        (entity (wl-thread-get-entity number)))
4763                   (if (wl-thread-entity-get-opened entity)
4764                       (wl-summary-save t wl-save-dir)
4765                     ;; closed
4766                     (wl-summary-save t wl-save-dir))
4767                   (forward-line 1))))
4768           (while (not (eobp))
4769             (wl-summary-save t wl-save-dir)
4770             (forward-line 1)))))))
4771
4772 ;; mew-summary-pipe-message()
4773 (defun wl-summary-pipe-message (prefix command)
4774   "Send this message via pipe."
4775   (interactive (list current-prefix-arg nil))
4776   (if (null (wl-summary-message-number))
4777       (message "No message.")
4778     (setq command (read-string "Shell command on message: "
4779                                wl-summary-shell-command-last))
4780     (if (y-or-n-p "Send this message to pipe? ")
4781         (wl-summary-pipe-message-subr prefix command))))
4782
4783 (defun wl-summary-target-mark-pipe (prefix command)
4784   "Send each marked messages via pipe."
4785   (interactive (list current-prefix-arg nil))
4786   (if (null wl-summary-buffer-target-mark-list)
4787       (message "No marked message.")
4788     (setq command (read-string "Shell command on each marked message: "
4789                                wl-summary-shell-command-last))
4790     (when (y-or-n-p "Send each marked message to pipe? ")
4791       (while (car wl-summary-buffer-target-mark-list)
4792         (let ((num (car wl-summary-buffer-target-mark-list)))
4793           (wl-thread-jump-to-msg num)
4794           (wl-summary-pipe-message-subr prefix command)
4795           (wl-summary-unmark))))))
4796
4797 (defun wl-summary-pipe-message-subr (prefix command)
4798   (save-excursion
4799     (wl-summary-set-message-buffer-or-redisplay)
4800     (set-buffer (wl-message-get-original-buffer))
4801     (if (string= command "")
4802         (setq command wl-summary-shell-command-last))
4803     (goto-char (point-min)) ; perhaps this line won't be necessary
4804     (if prefix
4805         (search-forward "\n\n"))
4806     (shell-command-on-region (point) (point-max) command nil)
4807     (setq wl-summary-shell-command-last command)))
4808
4809 (defun wl-summary-print-message (&optional arg)
4810   (interactive "P")
4811   (if (null (wl-summary-message-number))
4812       (message "No message.")
4813     (save-excursion
4814       (wl-summary-set-message-buffer-or-redisplay)
4815       (if (or (not (interactive-p))
4816               (y-or-n-p "Print ok? "))
4817           (progn
4818             (let ((buffer (generate-new-buffer " *print*")))
4819               (copy-to-buffer buffer (point-min) (point-max))
4820               (set-buffer buffer)
4821               (funcall wl-print-buffer-function)
4822               (kill-buffer buffer)))
4823         (message "")))))
4824
4825 (defun wl-summary-print-message-with-ps-print (&optional filename)
4826   "Print message via ps-print."
4827   (interactive)
4828   (if (null (wl-summary-message-number))
4829       (message "No message.")
4830     (setq filename (ps-print-preprint current-prefix-arg))
4831     (if (or (not (interactive-p))
4832             (y-or-n-p "Print ok? "))
4833         (let ((summary-buffer (current-buffer))
4834               wl-break-pages)
4835           (save-excursion
4836             (wl-summary-set-message-buffer-or-redisplay)
4837             (let* ((buffer (generate-new-buffer " *print*"))
4838                    (entity (progn
4839                              (set-buffer summary-buffer)
4840                              (elmo-message-entity
4841                               wl-summary-buffer-elmo-folder
4842                               (wl-summary-message-number))))
4843                    (wl-ps-subject
4844                     (or (elmo-message-entity-field entity 'subject 'string)
4845                         ""))
4846                    (wl-ps-from
4847                     (or (elmo-message-entity-field entity 'from 'string)
4848                         ""))
4849                    (wl-ps-date
4850                     (or (elmo-message-entity-field entity 'date 'string)
4851                         "")))
4852               (run-hooks 'wl-ps-preprint-hook)
4853               (set-buffer wl-message-buffer)
4854               (copy-to-buffer buffer (point-min) (point-max))
4855               (set-buffer buffer)
4856               (unwind-protect
4857                   (let ((ps-left-header
4858                          (list (concat "(" wl-ps-subject ")")
4859                                (concat "(" wl-ps-from ")")))
4860                         (ps-right-header
4861                          (list "/pagenumberstring load"
4862                                (concat "(" wl-ps-date ")"))))
4863                     (run-hooks 'wl-ps-print-hook)
4864                     (funcall wl-ps-print-buffer-function filename))
4865                 (kill-buffer buffer)))))
4866       (message ""))))
4867
4868 (if (featurep 'ps-print) ; ps-print is available.
4869     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4870
4871 (defun wl-summary-target-mark-print ()
4872   (interactive)
4873   (wl-summary-check-target-mark)
4874   (when (y-or-n-p "Print all marked messages. OK? ")
4875     (while (car wl-summary-buffer-target-mark-list)
4876       (let ((num (car wl-summary-buffer-target-mark-list)))
4877         (wl-thread-jump-to-msg num)
4878         (wl-summary-print-message)
4879         (wl-summary-unmark)))))
4880
4881 (defun wl-summary-folder-info-update ()
4882   (wl-folder-set-folder-updated
4883    (elmo-string (wl-summary-buffer-folder-name))
4884    (list 0
4885          wl-summary-buffer-unread-count
4886          (elmo-folder-length
4887           wl-summary-buffer-elmo-folder))))
4888
4889 (defun wl-summary-get-original-buffer ()
4890   "Get original buffer for the current summary."
4891   (save-excursion
4892     (wl-summary-set-message-buffer-or-redisplay)
4893     (wl-message-get-original-buffer)))
4894
4895 (defun wl-summary-pack-number (&optional arg)
4896   (interactive "P")
4897   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4898   (let (wl-use-scoring)
4899     (wl-summary-rescan nil nil nil t)))
4900
4901 (defun wl-summary-target-mark-uudecode ()
4902   (interactive)
4903   (wl-summary-check-target-mark)
4904   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4905         (summary-buf (current-buffer))
4906         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4907         orig-buf i k filename rc errmsg)
4908     (setq i 1)
4909     (setq k (length mlist))
4910     (set-buffer tmp-buf)
4911     (erase-buffer)
4912     (save-window-excursion
4913       (while mlist
4914         (set-buffer summary-buf)
4915         (wl-summary-jump-to-msg (car mlist))
4916         (wl-summary-redisplay)
4917         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4918         (goto-char (point-min))
4919         (cond ((= i 1) ; first
4920                (if (setq filename (wl-message-uu-substring
4921                                    orig-buf tmp-buf t
4922                                    (= i k)))
4923                    nil
4924                  (error "Can't find begin line")))
4925               ((< i k)
4926                (wl-message-uu-substring orig-buf tmp-buf))
4927               (t ; last
4928                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4929         (setq i (1+ i))
4930         (setq mlist (cdr mlist)))
4931       (set-buffer tmp-buf)
4932       (message "Exec %s..." wl-prog-uudecode)
4933       (unwind-protect
4934           (let ((decode-dir wl-temporary-file-directory))
4935             (if (not wl-prog-uudecode-no-stdout-option)
4936                 (setq filename (read-file-name "Save to file: "
4937                                                (expand-file-name
4938                                                 (elmo-safe-filename filename)
4939                                                 wl-temporary-file-directory)))
4940               (setq decode-dir
4941                     (wl-read-directory-name "Save to directory: "
4942                                             wl-temporary-file-directory))
4943               (setq filename (expand-file-name filename decode-dir)))
4944             (if (file-exists-p filename)
4945                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4946                                          filename))
4947                     (error "")))
4948             (elmo-bind-directory
4949              decode-dir
4950              (setq rc
4951                    (as-binary-process
4952                     (apply 'call-process-region (point-min) (point-max)
4953                            wl-prog-uudecode t (current-buffer) nil
4954                            wl-prog-uudecode-arg))))
4955             (when (not (= 0 rc))
4956               (setq errmsg (buffer-substring (point-min)(point-max)))
4957               (error "Uudecode error: %s" errmsg))
4958             (if (not wl-prog-uudecode-no-stdout-option)
4959                 (let (file-name-handler-alist) ;; void jka-compr
4960                   (as-binary-output-file
4961                    (write-region (point-min) (point-max)
4962                                  filename nil 'no-msg))))
4963             (save-excursion
4964               (set-buffer summary-buf)
4965               (wl-summary-delete-all-target-marks))
4966             (if (file-exists-p filename)
4967                 (message "Saved as %s" filename)))
4968         (kill-buffer tmp-buf)))))
4969
4970 ;; Someday
4971 ;; (defun wl-summary-drop-unsync ()
4972 ;;   "Drop all unsync messages."
4973 ;;   (interactive)
4974 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4975 ;;       (error "You cannot drop unsync messages in this folder"))
4976 ;;   (if (or (not (interactive-p))
4977 ;;        (y-or-n-p "Drop all unsync messages? "))
4978 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4979 ;;                         (wl-summary-buffer-folder-name)))
4980 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4981 ;;           (sum 0)
4982 ;;           (multi-num 0)
4983 ;;           pair)
4984 ;;      (message "Dropping...")
4985 ;;      (while folder-list
4986 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4987 ;;        (when is-multi ;; dirty hack...
4988 ;;          (incf multi-num)
4989 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4990 ;;                          (car pair))))
4991 ;;        (elmo-msgdb-set-number-alist
4992 ;;         (wl-summary-buffer-msgdb)
4993 ;;         (nconc
4994 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4995 ;;          (list (cons (car pair) nil))))
4996 ;;        (setq sum (+ sum (cdr pair)))
4997 ;;        (setq folder-list (cdr folder-list)))
4998 ;;      (wl-summary-set-message-modified)
4999 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5000 ;;                                    (list 0
5001 ;;                                          (+ wl-summary-buffer-unread-count
5002 ;;                                             wl-summary-buffer-new-count)
5003 ;;                                          sum))
5004 ;;      (message "Dropping...done"))))
5005
5006 (defun wl-summary-default-get-next-msg (msg)
5007   (or (wl-summary-next-message msg
5008                                (if wl-summary-move-direction-downward 'down
5009                                  'up)
5010                                nil)
5011       (cadr (memq msg (if wl-summary-move-direction-downward
5012                           wl-summary-buffer-number-list
5013                         (reverse wl-summary-buffer-number-list))))))
5014
5015 (defun wl-summary-save-current-message ()
5016   "Save current message for `wl-summary-yank-saved-message'."
5017   (interactive)
5018   (let ((number (wl-summary-message-number)))
5019     (setq wl-summary-buffer-saved-message number)
5020     (and number (message "No: %s is saved." number))))
5021
5022 (defun wl-summary-yank-saved-message ()
5023   "Set current message as a parent of the saved message."
5024   (interactive)
5025   (if wl-summary-buffer-saved-message
5026       (let ((number (wl-summary-message-number)))
5027         (if (eq wl-summary-buffer-saved-message number)
5028             (message "Cannot set itself as a parent.")
5029           (save-excursion
5030             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5031             (wl-thread-set-parent number)
5032             (wl-summary-set-thread-modified))
5033           (setq  wl-summary-buffer-saved-message nil)))
5034     (message "There's no saved message.")))
5035
5036 (defun wl-summary-toggle-header-narrowing ()
5037   "Toggle message header narrowing."
5038   (interactive)
5039   (when wl-message-use-header-narrowing
5040     (save-selected-window
5041       (let* ((mbuf wl-message-buffer)
5042              (mwin (when mbuf (get-buffer-window mbuf)))
5043              (wpos (when mwin (window-start mwin))))
5044         (when mbuf
5045           (set-buffer mbuf)
5046           (wl-message-header-narrowing-toggle)
5047           (and wpos (set-window-start mwin wpos)))))))
5048
5049 (require 'product)
5050 (product-provide (provide 'wl-summary) (require 'wl-version))
5051
5052 ;;; wl-summary.el ends here