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
  64 (defvar wl-summary-buffer-name "Summary")
  65 (defvar wl-summary-mode-map nil)
  66 (defvar wl-current-summary-buffer nil)
  67
  68 (defvar wl-summary-buffer-elmo-folder nil)
  69
  70 (defmacro wl-summary-buffer-folder-name ()
  71   (` (and wl-summary-buffer-elmo-folder
  72           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  73
  74 (defmacro wl-summary-buffer-msgdb ()
  75   (` (and wl-summary-buffer-elmo-folder
  76           (elmo-folder-msgdb wl-summary-buffer-elmo-folder))))
  77
  78 (defvar wl-summary-buffer-disp-msg    nil)
  79 (defvar wl-summary-buffer-disp-folder nil)
  80 (defvar wl-summary-buffer-refile-list nil)
  81 (defvar wl-summary-buffer-delete-list nil)
  82 (defvar wl-summary-buffer-last-displayed-msg nil)
  83 (defvar wl-summary-buffer-current-msg nil)
  84 (defvar wl-summary-buffer-unread-count 0)
  85 (defvar wl-summary-buffer-new-count    0)
  86 (defvar wl-summary-buffer-mime-charset  nil)
  87 (defvar wl-summary-buffer-weekday-name-lang  nil)
  88 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  89 (defvar wl-summary-buffer-view 'thread)
  90 (defvar wl-summary-buffer-message-modified nil)
  91 (defvar wl-summary-buffer-mark-modified nil)
  92 (defvar wl-summary-buffer-thread-modified nil)
  93
  94 (defvar wl-summary-buffer-number-column nil)
  95 (defvar wl-summary-buffer-temp-mark-column nil)
  96 (defvar wl-summary-buffer-persistent-mark-column nil)
  97
  98 (defvar wl-summary-buffer-persistent nil)
  99 (defvar wl-summary-buffer-thread-nodes nil)
 100 (defvar wl-summary-buffer-target-mark-list nil)
 101 (defvar wl-summary-buffer-copy-list nil)
 102 (defvar wl-summary-buffer-prev-refile-destination nil)
 103 (defvar wl-summary-buffer-prev-copy-destination nil)
 104 (defvar wl-summary-buffer-saved-message nil)
 105 (defvar wl-summary-buffer-prev-folder-function nil)
 106 (defvar wl-summary-buffer-next-folder-function nil)
 107 (defvar wl-summary-buffer-exit-function nil)
 108 (defvar wl-summary-buffer-next-message-function nil)
 109 (defvar wl-summary-buffer-number-list nil)
 110 (defvar wl-summary-buffer-msgdb nil)
 111 (defvar wl-summary-buffer-folder-name nil)
 112 (defvar wl-summary-buffer-line-formatter nil)
 113 (defvar wl-summary-buffer-line-format nil)
 114 (defvar wl-summary-buffer-mode-line-formatter nil)
 115 (defvar wl-summary-buffer-mode-line nil)
 116
 117 (defvar wl-thread-indent-level-internal nil)
 118 (defvar wl-thread-have-younger-brother-str-internal nil)
 119 (defvar wl-thread-youngest-child-str-internal nil)
 120 (defvar wl-thread-vertical-str-internal nil)
 121 (defvar wl-thread-horizontal-str-internal nil)
 122 (defvar wl-thread-space-str-internal nil)
 123 (defvar wl-summary-last-visited-folder nil)
 124 (defvar wl-read-folder-hist nil)
 125 (defvar wl-summary-scored nil)
 126 (defvar wl-crosspost-alist-modified nil)
 127 (defvar wl-summary-alike-hashtb nil)
 128 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 129 (defvar wl-summary-delayed-update nil)
 130 (defvar wl-summary-search-buf-folder-name nil)
 131
 132 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 133
 134 (defvar wl-summary-shell-command-last "")
 135
 136 (defvar wl-ps-preprint-hook nil)
 137 (defvar wl-ps-print-hook 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-refile-list)
 144 (make-variable-buffer-local 'wl-summary-buffer-copy-list)
 145 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 146 (make-variable-buffer-local 'wl-summary-buffer-delete-list)
 147 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 148 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 149 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 150 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 151 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 152 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 153 (make-variable-buffer-local 'wl-summary-buffer-view)
 154 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 155 (make-variable-buffer-local 'wl-summary-buffer-mark-modified)
 156 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 157 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 158 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 159 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 160 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 161 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 162 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 163 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 164 (make-variable-buffer-local 'wl-summary-scored)
 165 (make-variable-buffer-local 'wl-summary-default-score)
 166 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 167 (make-variable-buffer-local 'wl-summary-important-above)
 168 (make-variable-buffer-local 'wl-summary-target-above)
 169 (make-variable-buffer-local 'wl-summary-mark-below)
 170 (make-variable-buffer-local 'wl-summary-expunge-below)
 171 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 172 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 173 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 174 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 175 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 176 (make-variable-buffer-local 'wl-thread-space-str-internal)
 177 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 179 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 180 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 181 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 182 (make-variable-buffer-local 'wl-summary-buffer-msgdb)
 183 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 184 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 185 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 186 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 187 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 188
 189 (defvar wl-datevec)
 190 (defvar wl-thr-indent-string)
 191 (defvar wl-thr-children-number)
 192 (defvar wl-thr-linked)
 193 (defvar wl-message-entity)
 194 (defvar wl-parent-message-entity)
 195 (defvar wl-temp-mark)
 196 (defvar wl-persistent-mark)
 197
 198 ;; internal functions (dummy)
 199 (unless (fboundp 'wl-summary-append-message-func-internal)
 200   (defun wl-summary-append-message-func-internal (entity msgdb update
 201                                                          &optional force-insert)))
 202
 203 (defmacro wl-summary-sticky-buffer-name (name)
 204   (` (concat wl-summary-buffer-name ":" (, name))))
 205
 206 (defun wl-summary-default-subject (subject-string)
 207   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 208       (substring subject-string (match-end 0))
 209     subject-string))
 210
 211 (defun wl-summary-default-from (from)
 212   (let (retval tos ng)
 213     (unless
 214         (and (eq major-mode 'wl-summary-mode)
 215              (stringp wl-summary-showto-folder-regexp)
 216              (string-match wl-summary-showto-folder-regexp
 217                            (wl-summary-buffer-folder-name))
 218              (wl-address-user-mail-address-p from)
 219              (cond
 220               ((and (setq tos (elmo-msgdb-overview-entity-get-to
 221                                wl-message-entity))
 222                     (not (string= "" tos)))
 223                (setq retval
 224                      (concat "To:"
 225                              (mapconcat
 226                               (function
 227                                (lambda (to)
 228                                  (eword-decode-string
 229                                   (if wl-use-petname
 230                                       (or
 231                                        (funcall
 232                                         wl-summary-get-petname-function to)
 233                                        (car
 234                                         (std11-extract-address-components to))
 235                                        to)
 236                                     to))))
 237                               (wl-parse-addresses tos)
 238                               ","))))
 239               ((setq ng (elmo-msgdb-overview-entity-get-extra-field
 240                          wl-message-entity "newsgroups"))
 241                (setq retval (concat "Ng:" ng)))))
 242       (if wl-use-petname
 243           (setq retval (or (funcall wl-summary-get-petname-function from)
 244                            (car (std11-extract-address-components from))
 245                            from))
 246         (setq retval from)))
 247     retval))
 248
 249 (defun wl-summary-simple-from (string)
 250   (if wl-use-petname
 251       (or (funcall wl-summary-get-petname-function string)
 252           (car (std11-extract-address-components string))
 253           string)
 254     string))
 255
 256 (defvar wl-summary-sort-specs '(number date subject from list-info))
 257 (defvar wl-summary-default-sort-spec 'date)
 258
 259 (defvar wl-summary-mode-menu-spec
 260   '("Summary"
 261     ["Read" wl-summary-read t]
 262     ["Prev page" wl-summary-prev-page t]
 263     ["Next page" wl-summary-next-page t]
 264     ["Top"       wl-summary-display-top t]
 265     ["Bottom"    wl-summary-display-bottom t]
 266     ["Prev"      wl-summary-prev t]
 267     ["Next"      wl-summary-next t]
 268     ["Up"        wl-summary-up t]
 269     ["Down"      wl-summary-down t]
 270     ["Parent message" wl-summary-jump-to-parent-message t]
 271     "----"
 272     ["Sync"            wl-summary-sync t]
 273     ["Execute"         wl-summary-exec t]
 274     ["Go to other folder" wl-summary-goto-folder t]
 275     ["Pick" wl-summary-pick t]
 276     ["Mark as read all" wl-summary-mark-as-read-all t]
 277     ["Unmark all"      wl-summary-unmark-all t]
 278     ["Toggle display message" wl-summary-toggle-disp-msg t]
 279     ["Display folder" wl-summary-toggle-disp-folder t]
 280     ["Toggle threading" wl-summary-toggle-thread t]
 281     ["Stick" wl-summary-stick t]
 282     ("Sort"
 283      ["By Number" wl-summary-sort-by-number t]
 284      ["By Date" wl-summary-sort-by-date t]
 285      ["By From" wl-summary-sort-by-from t]
 286      ["By Subject" wl-summary-sort-by-subject t]
 287      ["By List Info" wl-summary-sort-by-list-info t])
 288     "----"
 289     ("Message Operation"
 290      ["Mark as read"    wl-summary-mark-as-read t]
 291      ["Mark as important" wl-summary-mark-as-important t]
 292      ["Mark as unread"   wl-summary-mark-as-unread t]
 293      ["Set delete mark" wl-summary-delete t]
 294      ["Set refile mark" wl-summary-refile t]
 295      ["Set copy mark"   wl-summary-copy t]
 296      ["Prefetch"        wl-summary-prefetch t]
 297      ["Set target mark" wl-summary-target-mark t]
 298      ["Unmark"          wl-summary-unmark t]
 299      ["Save"            wl-summary-save t]
 300      ["Cancel posted news" wl-summary-cancel-message t]
 301      ["Supersedes message" wl-summary-supersedes-message t]
 302      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 303      ["Resend message" wl-summary-resend-message t]
 304      ["Enter the message" wl-summary-jump-to-current-message t]
 305      ["Pipe message" wl-summary-pipe-message t]
 306      ["Print message" wl-summary-print-message t])
 307     ("Thread Operation"
 308      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 309      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 310      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 311      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 312      ["Mark as important"       wl-thread-mark-as-important (eq wl-summary-buffer-view 'thread)]
 313      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 314      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 315      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 316      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 317      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 318      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 319      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 320      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 321      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 322     ("Region Operation"
 323      ["Mark as read" wl-summary-mark-as-read-region t]
 324      ["Mark as important" wl-summary-mark-as-important-region t]
 325      ["Mark as unread" wl-summary-mark-as-unread-region t]
 326      ["Set delete mark" wl-summary-delete-region t]
 327      ["Set refile mark" wl-summary-refile-region t]
 328      ["Set copy mark" wl-summary-copy-region t]
 329      ["Prefetch" wl-summary-prefetch-region t]
 330      ["Set target mark" wl-summary-target-mark-region t]
 331      ["Unmark" wl-summary-unmark-region t]
 332      ["Save" wl-summary-save-region t]
 333      ["Execute" wl-summary-exec-region t])
 334     ("Mark Operation"
 335      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 336      ["Mark as important" wl-summary-target-mark-mark-as-important t]
 337      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 338      ["Set delete mark" wl-summary-target-mark-delete t]
 339      ["Set refile mark" wl-summary-target-mark-refile t]
 340      ["Set copy mark" wl-summary-target-mark-copy t]
 341      ["Prefetch" wl-summary-target-mark-prefetch t]
 342      ["Save" wl-summary-target-mark-save t]
 343      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 344      ["Forward" wl-summary-target-mark-forward t]
 345      ["uudecode" wl-summary-target-mark-uudecode t])
 346     ("Score Operation"
 347      ["Switch current score file" wl-score-change-score-file t]
 348      ["Edit current score file" wl-score-edit-current-scores t]
 349      ["Edit score file" wl-score-edit-file t]
 350      ["Set mark below" wl-score-set-mark-below t]
 351      ["Set expunge below" wl-score-set-expunge-below t]
 352      ["Rescore buffer" wl-summary-rescore t]
 353      ["Increase score" wl-summary-increase-score t]
 354      ["Lower score" wl-summary-lower-score t])
 355     "----"
 356     ("Writing Messages"
 357      ["Write a message" wl-summary-write t]
 358      ["Write for current folder" wl-summary-write-current-folder t]
 359      ["Reply" wl-summary-reply t]
 360      ["Reply with citation" wl-summary-reply-with-citation t]
 361      ["Forward" wl-summary-forward t])
 362     "----"
 363     ["Toggle Plug Status" wl-toggle-plugged t]
 364     ["Change Plug Status" wl-plugged-change t]
 365     "----"
 366     ["Exit Current Folder" wl-summary-exit t]))
 367
 368 (if wl-on-xemacs
 369     (defun wl-summary-setup-mouse ()
 370       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 371       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 372       (define-key wl-summary-mode-map [(shift button4)]
 373         'wl-summary-up)
 374       (define-key wl-summary-mode-map [(shift button5)]
 375         'wl-summary-down)
 376       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 377   (defun wl-summary-setup-mouse ()
 378     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 379     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 380     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 381     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 382     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 383
 384 (if wl-summary-mode-map
 385     ()
 386   (setq wl-summary-mode-map (make-sparse-keymap))
 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-next-line-content)
 394   (define-key wl-summary-mode-map "\C-m" 'wl-summary-next-line-content)
 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 ;  (define-key wl-summary-mode-map "D"    'wl-summary-drop-unsync)
 404
 405   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 406   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 407   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 408   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 409   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 410   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 411   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 412   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 413
 414   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 415   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 416   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 417   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 418   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 419 ;;;(define-key wl-summary-mode-map "w"    'wl-draft)
 420   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 421   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 422 ;;;(define-key wl-summary-mode-map "e"     'wl-draft-open-file)
 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-redisplay-all-header)
 429   (define-key wl-summary-mode-map "M"    'wl-summary-redisplay-no-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 "\M-O" 'wl-summary-copy-prev-destination)
 471   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 472   (define-key wl-summary-mode-map "d"    'wl-summary-delete)
 473   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 474   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 475
 476   ;; thread commands
 477   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 478   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 479   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 480   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 481   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 482   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 483   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 484   (define-key wl-summary-mode-map "td" 'wl-thread-delete)
 485   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 486   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 487   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 488   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 489   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 490
 491   ;; target-mark commands
 492   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 493   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 494   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 495   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 496   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 497   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-delete)
 498   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 499   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 500   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 501   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 502   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 503   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 504   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 505   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 506   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 507   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 508   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 509   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 510
 511   ;; region commands
 512   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 513   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 514   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 515   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 516   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 517   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 518   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 519   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 520   (define-key wl-summary-mode-map "rd"   'wl-summary-delete-region)
 521   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 522   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 523   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 524   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 525
 526   ;; score commands
 527   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 528   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 529   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 530   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 531   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 532   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 533   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 534   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 535   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 536   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 537
 538   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 539   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 540   ;;
 541   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 542   (wl-summary-setup-mouse)
 543   (easy-menu-define
 544    wl-summary-mode-menu
 545    wl-summary-mode-map
 546    "Menu used in Summary mode."
 547    wl-summary-mode-menu-spec))
 548
 549 (defun wl-status-update ()
 550   (interactive)
 551   (wl-address-init))
 552
 553 (defun wl-summary-display-top ()
 554   (interactive)
 555   (goto-char (point-min))
 556   (when wl-summary-lazy-highlight
 557     (wl-highlight-summary-window))
 558   (if wl-summary-buffer-disp-msg
 559       (wl-summary-redisplay)))
 560
 561 (defun wl-summary-display-bottom ()
 562   (interactive)
 563   (goto-char (point-max))
 564   (forward-line -1)
 565   (when wl-summary-lazy-highlight
 566     (wl-highlight-summary-window))
 567   (if wl-summary-buffer-disp-msg
 568       (wl-summary-redisplay)))
 569
 570 (defun wl-summary-count-unread ()
 571   (let ((pair
 572          (elmo-msgdb-count-marks (wl-summary-buffer-msgdb)
 573                                  wl-summary-new-mark
 574                                  (list wl-summary-unread-uncached-mark
 575                                        wl-summary-unread-cached-mark))))
 576     (if (eq major-mode 'wl-summary-mode)
 577         (setq wl-summary-buffer-new-count (car pair)
 578               wl-summary-buffer-unread-count (cdr pair)))
 579     pair))
 580
 581 (defun wl-summary-message-string (&optional use-cache)
 582   "Return full body string of current message.
 583 If optional USE-CACHE is non-nil, use cache if exists."
 584   (let ((number (wl-summary-message-number))
 585         (folder wl-summary-buffer-elmo-folder))
 586     (if (null number)
 587         (message "No message.")
 588       (elmo-set-work-buf
 589        (elmo-message-fetch folder
 590                            number
 591                            (elmo-make-fetch-strategy
 592                             'entire
 593                             use-cache ; use cache
 594                             nil ; save cache (should `t'?)
 595                             (and
 596                              use-cache
 597                              (elmo-file-cache-get-path
 598                               (elmo-message-field folder number 'message-id))))
 599                            nil
 600                            (current-buffer)
 601                            'unread)
 602        (buffer-string)))))
 603
 604 (defun wl-summary-reedit (&optional arg)
 605   "Re-edit current message.
 606 If ARG is non-nil, Supersedes message"
 607   (interactive "P")
 608   (if arg
 609       (wl-summary-supersedes-message)
 610     (if (string= (wl-summary-buffer-folder-name) wl-draft-folder)
 611         (if (wl-summary-message-number)
 612             (progn
 613               (wl-draft-reedit (wl-summary-message-number))
 614               (if (wl-message-news-p)
 615                   (mail-position-on-field "Newsgroups")
 616                 (mail-position-on-field "To"))
 617               (delete-other-windows)))
 618       (wl-draft-edit-string (wl-summary-message-string)))))
 619
 620 (defun wl-summary-resend-bounced-mail ()
 621   "Re-mail the current message.
 622 This only makes sense if the current message is a bounce message which
 623 contains some mail you have written but has been bounced back to
 624 you."
 625   (interactive)
 626   (save-excursion
 627     (wl-summary-set-message-buffer-or-redisplay)
 628     (set-buffer (wl-message-get-original-buffer))
 629     (goto-char (point-min))
 630     (let ((case-fold-search nil))
 631       (cond
 632        ((and
 633          (re-search-forward
 634           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 635          (not (bolp))
 636          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 637         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 638               start)
 639           (cond
 640            ((and (setq start (re-search-forward
 641                               (concat "^--" boundary "\n"
 642                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 643                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 644                                       "\\(message/rfc822\\|text/rfc822-headers\\)\n"
 645                                       "\\(.+\n\\)*\n") nil t))
 646                  (re-search-forward
 647                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 648             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 649            (t
 650             (message "Seems no message/rfc822 part.")))))
 651        ((let ((case-fold-search t))
 652           (re-search-forward wl-rejected-letter-start nil t))
 653         (skip-chars-forward " \t\n")
 654         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 655        (t
 656         (message "Does not appear to be a rejected letter."))))))
 657
 658 (defun wl-summary-resend-message (address)
 659   "Resend the current message to ADDRESS."
 660   (interactive "sResend message to: ")
 661   (if (or (null address) (string-match "^[ \t]*$" address))
 662       (message "No address specified.")
 663     (message "Resending message to %s..." address)
 664     (save-excursion
 665       (let ((original (wl-summary-get-original-buffer)))
 666         ;; We first set up a normal mail buffer.
 667         (set-buffer (get-buffer-create " *wl-draft-resend*"))
 668         (buffer-disable-undo (current-buffer))
 669         (erase-buffer)
 670         (setq wl-sent-message-via nil)
 671         ;; Insert our usual headers.
 672         (wl-draft-insert-from-field)
 673         (wl-draft-insert-date-field)
 674         (insert "to: " address "\n")
 675         (goto-char (point-min))
 676         ;; Rename them all to "Resent-*".
 677         (while (re-search-forward "^[A-Za-z]" nil t)
 678           (forward-char -1)
 679           (insert "Resent-"))
 680         (widen)
 681         (forward-line)
 682         (delete-region (point) (point-max))
 683         (let ((beg  (point)))
 684           ;; Insert the message to be resent.
 685           (insert-buffer-substring original)
 686           (goto-char (point-min))
 687           (search-forward "\n\n")
 688           (forward-char -1)
 689           (save-restriction
 690             (narrow-to-region beg (point))
 691             (wl-draft-delete-fields wl-ignored-resent-headers)
 692             (goto-char (point-max)))
 693           (insert mail-header-separator)
 694           ;; Rename all old ("Previous-")Resent headers.
 695           (while (re-search-backward "^\\(Previous-\\)*Resent-" beg t)
 696             (beginning-of-line)
 697             (insert "Previous-"))
 698           ;; Quote any "From " lines at the beginning.
 699           (goto-char beg)
 700           (when (looking-at "From ")
 701             (replace-match "X-From-Line: ")))
 702         ;; Send it.
 703         (wl-draft-dispatch-message)
 704         (kill-buffer (current-buffer)))
 705       (message "Resending message to %s...done" address))))
 706
 707 (defun wl-summary-detect-mark-position ()
 708   (let ((column wl-summary-buffer-number-column)
 709         (formatter wl-summary-buffer-line-formatter)
 710         (dummy-temp (char-to-string 200))
 711         (dummy-persistent (char-to-string 201))
 712         temp persistent)
 713     (with-temp-buffer
 714       (setq wl-summary-buffer-number-column column
 715             wl-summary-buffer-line-formatter formatter)
 716       (insert
 717        (wl-summary-create-line
 718         (elmo-msgdb-make-entity
 719          :number 10000
 720          :from "foo"
 721          :subject "bar"
 722          :size 100)
 723         nil
 724         dummy-temp
 725         dummy-persistent))
 726       (goto-char (point-min))
 727       (setq temp (save-excursion
 728                    (search-forward dummy-temp nil t)
 729                    (current-column))
 730             persistent (save-excursion
 731                          (search-forward dummy-persistent nil t)
 732                          (current-column))))
 733     (setq wl-summary-buffer-temp-mark-column temp
 734           wl-summary-buffer-persistent-mark-column persistent)))
 735
 736 (defun wl-summary-buffer-set-folder (folder)
 737   (if (stringp folder)
 738       (setq folder (wl-folder-get-elmo-folder folder)))
 739   (setq wl-summary-buffer-elmo-folder folder)
 740   (make-local-variable 'wl-message-buffer)
 741   (setq wl-summary-buffer-mime-charset (or (wl-get-assoc-list-value
 742                                             wl-folder-mime-charset-alist
 743                                             (elmo-folder-name-internal folder))
 744                                            wl-mime-charset))
 745   (setq wl-summary-buffer-weekday-name-lang
 746         (or (wl-get-assoc-list-value
 747              wl-folder-weekday-name-lang-alist
 748              (elmo-folder-name-internal folder))
 749             wl-summary-weekday-name-lang))
 750   (setq wl-summary-buffer-thread-indent-set
 751         (wl-get-assoc-list-value
 752          wl-folder-thread-indent-set-alist
 753          (elmo-folder-name-internal folder)))
 754   (setq wl-summary-buffer-number-column
 755         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 756                                      (wl-summary-buffer-folder-name))
 757             wl-summary-default-number-column))
 758   (wl-line-formatter-setup
 759    wl-summary-buffer-line-formatter
 760    (setq wl-summary-buffer-line-format
 761          (or (wl-get-assoc-list-value
 762               wl-folder-summary-line-format-alist
 763               (elmo-folder-name-internal folder))
 764              wl-summary-line-format))
 765    wl-summary-line-format-spec-alist)
 766   (wl-line-formatter-setup
 767    wl-summary-buffer-mode-line-formatter
 768    wl-summary-mode-line-format
 769    wl-summary-mode-line-format-spec-alist)
 770   (wl-summary-detect-mark-position)
 771   (setq wl-summary-buffer-persistent
 772         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 773   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 774   ;; process duplicates.
 775   (elmo-folder-set-process-duplicates-internal
 776    folder (cdr (elmo-string-matched-assoc
 777                 (elmo-folder-name-internal folder)
 778                 wl-folder-process-duplicates-alist)))
 779   (setq
 780    wl-thread-indent-level-internal
 781    (or (nth 0 wl-summary-buffer-thread-indent-set)
 782        wl-thread-indent-level)
 783    wl-thread-have-younger-brother-str-internal
 784    (or (nth 1 wl-summary-buffer-thread-indent-set)
 785        wl-thread-have-younger-brother-str)
 786    wl-thread-youngest-child-str-internal
 787    (or (nth 2 wl-summary-buffer-thread-indent-set)
 788        wl-thread-youngest-child-str)
 789    wl-thread-vertical-str-internal
 790    (or (nth 3 wl-summary-buffer-thread-indent-set)
 791        wl-thread-vertical-str)
 792    wl-thread-horizontal-str-internal
 793    (or (nth 4 wl-summary-buffer-thread-indent-set)
 794        wl-thread-horizontal-str)
 795    wl-thread-space-str-internal
 796    (or (nth 5 wl-summary-buffer-thread-indent-set)
 797        wl-thread-space-str))
 798   (run-hooks 'wl-summary-buffer-set-folder-hook))
 799
 800 (defun wl-summary-mode ()
 801   "Major mode for reading threaded messages.
 802 See Info under Wanderlust for full documentation.
 803
 804 Special commands:
 805 \\{wl-summary-mode-map}
 806
 807 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 808   (interactive)
 809   (unless (interactive-p) (kill-all-local-variables))
 810   (setq major-mode 'wl-summary-mode)
 811   (setq mode-name "Summary")
 812   (use-local-map wl-summary-mode-map)
 813 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 814   (setq buffer-read-only t)
 815   (setq truncate-lines t)
 816 ;;;(make-local-variable 'tab-width)
 817 ;;;(setq tab-width 1)
 818   (buffer-disable-undo (current-buffer))
 819   (setq selective-display t
 820         selective-display-ellipses nil)
 821   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 822   (easy-menu-add wl-summary-mode-menu)
 823   (when wl-summary-lazy-highlight
 824     (if wl-on-xemacs
 825         (progn
 826           (make-local-variable 'pre-idle-hook)
 827           (add-hook 'pre-idle-hook 'wl-highlight-summary-window))
 828       (make-local-variable 'window-scroll-functions)
 829       (add-hook 'window-scroll-functions 'wl-highlight-summary-window)))
 830   ;; This hook may contain the function `wl-setup-summary' for reasons
 831   ;; of system internal to accord facilities for the Emacs variants.
 832   (run-hooks 'wl-summary-mode-hook))
 833
 834 (defun wl-summary-overview-entity-compare-by-date (x y)
 835   "Compare entity X and Y by date."
 836   (condition-case nil
 837       (string<
 838        (timezone-make-date-sortable
 839         (elmo-msgdb-overview-entity-get-date x))
 840        (timezone-make-date-sortable
 841         (elmo-msgdb-overview-entity-get-date y)))
 842     (error))) ;; ignore error.
 843
 844 (defun wl-summary-overview-entity-compare-by-number (x y)
 845    "Compare entity X and Y by number."
 846   (<
 847    (elmo-msgdb-overview-entity-get-number x)
 848    (elmo-msgdb-overview-entity-get-number y)))
 849
 850 (defun wl-summary-overview-entity-compare-by-from (x y)
 851   "Compare entity X and Y by from."
 852   (string<
 853    (wl-address-header-extract-address
 854     (or (elmo-msgdb-overview-entity-get-from-no-decode x)
 855         wl-summary-no-from-message))
 856    (wl-address-header-extract-address
 857     (or (elmo-msgdb-overview-entity-get-from-no-decode y)
 858         wl-summary-no-from-message))))
 859
 860 (defun wl-summary-overview-entity-compare-by-subject (x y)
 861   "Compare entity X and Y by subject."
 862   (string< (elmo-msgdb-overview-entity-get-subject-no-decode x)
 863            (elmo-msgdb-overview-entity-get-subject-no-decode y)))
 864
 865 (defun wl-summary-get-list-info (entity)
 866   "Returns (\"ML-name\" . ML-count) of ENTITY."
 867   (let (sequence ml-name ml-count subject return-path)
 868     (setq sequence (elmo-msgdb-overview-entity-get-extra-field
 869                     entity "x-sequence")
 870           ml-name (or (elmo-msgdb-overview-entity-get-extra-field
 871                        entity "x-ml-name")
 872                       (and sequence
 873                            (car (split-string sequence " "))))
 874           ml-count (or (elmo-msgdb-overview-entity-get-extra-field
 875                         entity "x-mail-count")
 876                        (elmo-msgdb-overview-entity-get-extra-field
 877                         entity "x-ml-count")
 878                        (and sequence
 879                             (cadr (split-string sequence " ")))))
 880     (and (setq subject (elmo-msgdb-overview-entity-get-subject
 881                         entity))
 882          (setq subject (elmo-delete-char ?\n subject))
 883          (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*" subject)
 884          (progn
 885            (or ml-name (setq ml-name (match-string 1 subject)))
 886            (or ml-count (setq ml-count (match-string 2 subject)))))
 887     (and (setq return-path
 888                (elmo-msgdb-overview-entity-get-extra-field
 889                 entity "return-path"))
 890          (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
 891          (progn
 892            (or ml-name (setq ml-name (match-string 1 return-path)))
 893            (or ml-count (setq ml-count (match-string 2 return-path)))))
 894     (cons (and ml-name (car (split-string ml-name " ")))
 895           (and ml-count (string-to-int ml-count)))))
 896
 897 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 898   "Compare entity X and Y by mailing-list info."
 899   (let* ((list-info-x (wl-summary-get-list-info x))
 900          (list-info-y (wl-summary-get-list-info y)))
 901     (if (equal list-info-x list-info-y)
 902         (wl-summary-overview-entity-compare-by-date x y)
 903       (if (string= (car list-info-x) (car list-info-y))
 904           (< (or (cdr list-info-x) 0)
 905              (or (cdr list-info-y) 0))
 906         (string< (car list-info-x) (car list-info-y))))))
 907
 908 (defun wl-summary-sort-by-date ()
 909   (interactive)
 910   (wl-summary-rescan "date"))
 911 (defun wl-summary-sort-by-number ()
 912   (interactive)
 913   (wl-summary-rescan "number"))
 914 (defun wl-summary-sort-by-subject ()
 915   (interactive)
 916   (wl-summary-rescan "subject"))
 917 (defun wl-summary-sort-by-from ()
 918   (interactive)
 919   (wl-summary-rescan "from"))
 920 (defun wl-summary-sort-by-list-info ()
 921   (interactive)
 922   (wl-summary-rescan "list-info"))
 923
 924 (defun wl-summary-rescan (&optional sort-by)
 925   "Rescan current folder without updating."
 926   (interactive)
 927   (let* ((cur-buf (current-buffer))
 928          (msgdb (wl-summary-buffer-msgdb))
 929          (overview (elmo-msgdb-get-overview msgdb))
 930          (number-alist (elmo-msgdb-get-number-alist msgdb))
 931          (elmo-mime-charset wl-summary-buffer-mime-charset)
 932          i percent num
 933          gc-message entity
 934          curp
 935          (inhibit-read-only t)
 936          (buffer-read-only nil)
 937          expunged)
 938     (fset 'wl-summary-append-message-func-internal
 939           (wl-summary-get-append-message-func))
 940     (erase-buffer)
 941     (message "Re-scanning...")
 942     (setq i 0)
 943     (setq num (length overview))
 944     (when sort-by
 945       (message "Sorting by %s..." sort-by)
 946       (setq overview
 947             (sort overview
 948                   (intern (format "wl-summary-overview-entity-compare-by-%s"
 949                                   sort-by))))
 950       (message "Sorting by %s...done" sort-by)
 951       (elmo-msgdb-set-overview (wl-summary-buffer-msgdb)
 952                                overview))
 953     (setq curp overview)
 954     (set-buffer cur-buf)
 955     (setq wl-thread-entity-hashtb (elmo-make-hash (* (length overview) 2)))
 956     (setq wl-thread-entity-list nil)
 957     (setq wl-thread-entities nil)
 958     (setq wl-summary-buffer-number-list nil)
 959     (setq wl-summary-buffer-target-mark-list nil)
 960     (setq wl-summary-buffer-refile-list nil)
 961     (setq wl-summary-buffer-delete-list nil)
 962     (setq wl-summary-delayed-update nil)
 963     (elmo-kill-buffer wl-summary-search-buf-name)
 964     (while curp
 965       (setq entity (car curp))
 966       (wl-summary-append-message-func-internal entity msgdb nil)
 967       (setq curp (cdr curp))
 968       (when (> num elmo-display-progress-threshold)
 969         (setq i (+ i 1))
 970         (if (or (zerop (% i 5)) (= i num))
 971             (elmo-display-progress
 972              'wl-summary-rescan "Constructing summary structure..."
 973              (/ (* i 100) num)))))
 974     (when wl-summary-delayed-update
 975       (while wl-summary-delayed-update
 976         (message "Parent (%d) of message %d is no entity"
 977                  (caar wl-summary-delayed-update)
 978                  (elmo-msgdb-overview-entity-get-number
 979                   (cdar wl-summary-delayed-update)))
 980         (wl-summary-append-message-func-internal
 981          (cdar wl-summary-delayed-update) msgdb nil t)
 982         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
 983     (message "Constructing summary structure...done")
 984     (set-buffer cur-buf)
 985     (if (eq wl-summary-buffer-view 'thread)
 986         (progn
 987           (message "Inserting thread...")
 988           (wl-thread-insert-top)
 989           (message "Inserting thread...done"))
 990       (wl-summary-make-number-list))
 991     (when wl-use-scoring
 992       (setq wl-summary-scored nil)
 993       (wl-summary-score-headers nil msgdb
 994                                 (wl-summary-rescore-msgs number-alist)
 995                                 t)
 996       (when (and wl-summary-scored
 997                  (setq expunged (wl-summary-score-update-all-lines)))
 998         (message "%d message(s) are expunged by scoring." (length expunged))))
 999     (wl-summary-set-message-modified)
1000     (wl-summary-count-unread)
1001     (wl-summary-update-modeline)
1002     (goto-char (point-max))
1003     (forward-line -1)
1004     (set-buffer-modified-p nil)))
1005
1006 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1007   (if (and next-entity
1008            wl-auto-select-next)
1009       (let (retval)
1010         (wl-summary-toggle-disp-msg 'off)
1011         (unwind-protect
1012             (setq retval
1013                   (wl-summary-goto-folder-subr next-entity
1014                                                'force-update
1015                                                nil
1016                                                nil ; not sticky
1017                                                t   ; interactive!
1018                                                ))
1019           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1020           (if (and (eq retval 'more-next)
1021                    (memq wl-auto-select-next '(unread skip-no-unread))
1022                    (memq this-command wl-summary-next-no-unread-command))
1023               (if upward
1024                   (wl-summary-up
1025                    t (eq wl-auto-select-next 'skip-no-unread))
1026                 (goto-char (point-max))
1027                 (forward-line -1)
1028                 (wl-summary-down
1029                  t (eq wl-auto-select-next 'skip-no-unread))))))
1030     (wl-summary-exit)))
1031
1032 (defun wl-summary-entity-info-msg (entity finfo)
1033   (or (and entity
1034            (concat
1035             (elmo-replace-in-string
1036              (if (memq 'ask-folder wl-use-folder-petname)
1037                  (wl-folder-get-petname entity)
1038                entity)
1039              "%" "%%")
1040             (if (null (car finfo))
1041                 " (? new/? unread)"
1042               (format
1043                " (%d new/%d unread)"
1044                (nth 0 finfo)
1045                (+ (nth 0 finfo)
1046                   (nth 1 finfo))))))
1047       "folder mode"))
1048
1049 (defun wl-summary-set-message-modified ()
1050   (elmo-folder-set-message-modified-internal
1051    wl-summary-buffer-elmo-folder t)
1052   (setq wl-summary-buffer-message-modified t))
1053 (defun wl-summary-message-modified-p ()
1054   wl-summary-buffer-message-modified)
1055 (defun wl-summary-set-mark-modified ()
1056   (elmo-folder-set-mark-modified-internal
1057    wl-summary-buffer-elmo-folder t)
1058   (setq wl-summary-buffer-mark-modified t))
1059 (defun wl-summary-mark-modified-p ()
1060   wl-summary-buffer-mark-modified)
1061 (defun wl-summary-set-thread-modified ()
1062   (setq wl-summary-buffer-thread-modified t))
1063 (defun wl-summary-thread-modified-p ()
1064   wl-summary-buffer-thread-modified)
1065
1066 (defsubst wl-summary-cleanup-temp-marks (&optional sticky)
1067   (if (or wl-summary-buffer-refile-list
1068           wl-summary-buffer-copy-list
1069           wl-summary-buffer-delete-list)
1070       (if (y-or-n-p "Marks remain to be executed.  Execute them? ")
1071           (progn
1072             (wl-summary-exec)
1073             (if (or wl-summary-buffer-refile-list
1074                     wl-summary-buffer-copy-list
1075                     wl-summary-buffer-delete-list)
1076                 (error "Some execution was failed")))
1077         ;; delete temp-marks
1078         (message "")
1079         (wl-summary-delete-all-refile-marks)
1080         (wl-summary-delete-all-copy-marks)
1081         (wl-summary-delete-all-delete-marks)))
1082   (if wl-summary-buffer-target-mark-list
1083       (progn
1084         (wl-summary-delete-all-target-marks)
1085         (setq wl-summary-buffer-target-mark-list nil)))
1086   (wl-summary-delete-all-temp-marks-on-buffer sticky)
1087   (setq wl-summary-scored nil))
1088
1089 ;; a subroutine for wl-summary-exit/wl-save-status
1090 ;; Note that folder is not commited here.
1091 (defun wl-summary-save-view ()
1092   ;; already in summary buffer.
1093   (when wl-summary-buffer-persistent
1094     ;; save the current summary buffer view.
1095     (if (and wl-summary-cache-use
1096              (or (wl-summary-message-modified-p)
1097                  (wl-summary-mark-modified-p)
1098                  (wl-summary-thread-modified-p)))
1099         (wl-summary-save-view-cache))))
1100
1101 (defun wl-summary-save-status ()
1102   "Save summary view and msgdb."
1103   (interactive)
1104   (if (interactive-p) (message "Saving summary status..."))
1105   (wl-summary-save-view)
1106   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1107   (elmo-folder-check wl-summary-buffer-elmo-folder)
1108   (if wl-use-scoring (wl-score-save))
1109   (if (interactive-p) (message "Saving summary status...done.")))
1110
1111 (defun wl-summary-force-exit ()
1112   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1113   (interactive)
1114   (wl-summary-exit 'force-exit))
1115
1116 (defun wl-summary-exit (&optional force-exit)
1117   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1118   (interactive "P")
1119   (let ((summary-buf (current-buffer))
1120         (sticky (wl-summary-sticky-p))
1121         summary-win
1122         message-buf message-win
1123         folder-buf folder-win)
1124     (run-hooks 'wl-summary-exit-pre-hook)
1125     (if wl-summary-buffer-exit-function
1126         (funcall wl-summary-buffer-exit-function)
1127       (if (or force-exit (not sticky))
1128           (wl-summary-cleanup-temp-marks sticky))
1129       (unwind-protect
1130           ;; save summary status
1131           (progn
1132             (wl-summary-save-view)
1133             (if (or force-exit (not sticky))
1134                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1135               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1136               (elmo-folder-check wl-summary-buffer-elmo-folder))
1137             (if wl-use-scoring (wl-score-save)))
1138         ;; for sticky summary
1139         (wl-delete-all-overlays)
1140         (setq wl-summary-buffer-disp-msg nil)
1141         (elmo-kill-buffer wl-summary-search-buf-name)
1142         ;; delete message window if displayed.
1143         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1144             (delete-window (get-buffer-window wl-message-buffer)))
1145         (if (and wl-summary-use-frame
1146                  (> (length (visible-frame-list)) 1))
1147             (delete-frame))
1148         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1149             (if wl-summary-use-frame
1150                 (let (select-frame)
1151                   (save-selected-window
1152                     (dolist (frame (visible-frame-list))
1153                       (select-frame frame)
1154                       (if (get-buffer-window folder-buf)
1155                           (setq select-frame frame))))
1156                   (if select-frame
1157                       (select-frame select-frame)
1158                     (switch-to-buffer folder-buf)))
1159               (if (setq folder-win (get-buffer-window folder-buf))
1160                   ;; folder win is already displayed.
1161                   (select-window folder-win)
1162                 ;; folder win is not displayed.
1163                 (switch-to-buffer folder-buf)))
1164           ;; currently no folder buffer
1165           (wl-folder))
1166         (and wl-folder-move-cur-folder
1167              wl-folder-buffer-cur-point
1168              (goto-char wl-folder-buffer-cur-point))
1169         (setq wl-folder-buffer-cur-path nil)
1170         (setq wl-folder-buffer-cur-entity-id nil)
1171         (wl-delete-all-overlays)
1172         (if wl-summary-exit-next-move
1173             (wl-folder-next-unsync t)
1174           (beginning-of-line))
1175         (if (setq summary-win (get-buffer-window summary-buf))
1176             (delete-window summary-win))
1177         (if (or force-exit
1178                 (not sticky))
1179             (progn
1180               (set-buffer summary-buf)
1181               (kill-buffer summary-buf)))
1182         (run-hooks 'wl-summary-exit-hook)))))
1183
1184 (defun wl-summary-suspend ()
1185   (interactive)
1186   (wl-summary-exit)
1187   (wl-folder-suspend))
1188
1189 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1190   (interactive)
1191   (wl-summary-sync-update unset-cursor nil no-check))
1192
1193 (defsubst wl-summary-sync-all-init ()
1194   (wl-summary-cleanup-temp-marks)
1195   (erase-buffer)
1196   (wl-summary-set-message-modified)
1197   (wl-summary-set-mark-modified)
1198   (setq wl-thread-entity-hashtb (elmo-make-hash
1199                                  (* (length (elmo-msgdb-get-number-alist
1200                                              (wl-summary-buffer-msgdb))) 2)))
1201   (setq wl-thread-entity-list nil)
1202   (setq wl-thread-entities nil)
1203   (setq wl-summary-buffer-number-list nil)
1204   (setq wl-summary-buffer-target-mark-list nil)
1205   (setq wl-summary-buffer-refile-list nil)
1206   (setq wl-summary-buffer-copy-list nil)
1207   (setq wl-summary-buffer-delete-list nil))
1208
1209 (defun wl-summary-sync (&optional unset-cursor force-range)
1210   (interactive)
1211   (let* ((folder wl-summary-buffer-elmo-folder)
1212          (inhibit-read-only t)
1213          (buffer-read-only nil)
1214          (msgdb-dir (elmo-folder-msgdb-path folder))
1215          (range (or force-range (wl-summary-input-range
1216                                  (elmo-folder-name-internal folder)))))
1217     (cond ((string= range "rescan")
1218            (let ((msg (wl-summary-message-number)))
1219              (wl-summary-rescan)
1220              (and msg (wl-summary-jump-to-msg msg))))
1221           ((string= range "rescan-noscore")
1222            (let ((msg (wl-summary-message-number))
1223                  wl-use-scoring)
1224              (wl-summary-rescan)
1225              (and msg (wl-summary-jump-to-msg msg))))
1226           ((string= range "cache-status")
1227            (let ((msg (wl-summary-message-number)))
1228              (wl-summary-resume-cache-status)
1229              (and msg (wl-summary-jump-to-msg msg))))
1230           ((or (string-match "last:" range)
1231                (string-match "first:" range))
1232            (wl-summary-goto-folder-subr (concat "/" range "/"
1233                                                 (elmo-folder-name-internal
1234                                                  folder))
1235             'force-update nil nil t))
1236           (t
1237            (wl-summary-sync-update unset-cursor
1238                                    (cond ((string= range "all") 'all)
1239                                          ((string= range "all-visible")
1240                                           'visible-only)))))))
1241
1242 (defvar wl-summary-edit-addresses-candidate-fields
1243   ;; First element becomes default.
1244   '("from" "to" "cc"))
1245
1246 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1247   (let ((fields wl-summary-edit-addresses-candidate-fields)
1248         body candidates components)
1249     (while fields
1250       (setq body
1251             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1252                        ","))
1253       (setq body (wl-parse-addresses body))
1254       (if body (setq candidates (append candidates body)))
1255       (setq fields (cdr fields)))
1256     (setq candidates (elmo-uniq-list candidates))
1257     (elmo-set-work-buf
1258      (elmo-set-buffer-multibyte default-enable-multibyte-characters)
1259      (mapcar (function
1260               (lambda (x)
1261                 (setq components (std11-extract-address-components x))
1262                 (cons (nth 1 components)
1263                       (and (car components)
1264                            (eword-decode-string
1265                             (decode-mime-charset-string
1266                              (car components)
1267                              mime-charset))))))
1268              candidates))))
1269
1270 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1271   ;; returns nil if there's no change.
1272   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1273       (let (char)
1274         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1275                  the-email)
1276         (while (not (or (eq (setq char (read-char)) ?\r)
1277                         (eq char ?\n)
1278                         (eq char ? )
1279                         (eq char ?e)
1280                         (eq char ?c)
1281                         (eq char ?d)))
1282           (message
1283            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1284         (cond
1285          ((or (eq char ?e)
1286               (eq char ?\n)
1287               (eq char ?\r)
1288               (eq char ? ))
1289           ;; Change Addresses
1290           (wl-address-add-or-change
1291            the-email
1292            (wl-address-header-extract-realname
1293             (cdr (assoc
1294                   (let ((completion-ignore-case t) comp)
1295                     (setq comp
1296                           (try-completion the-email wl-address-completion-list))
1297                     (if (equal comp t) the-email comp))
1298                   wl-address-completion-list))))
1299           "edited")
1300          ((eq char ?d)
1301           ;; Delete Addresses
1302           (if (y-or-n-p (format "Delete '%s'? "
1303                                 the-email))
1304               (progn
1305                 (wl-address-delete the-email)
1306                 "deleted")
1307             (message "")
1308             nil))
1309          (t (message "")
1310             nil)))
1311     ;; Add Petname
1312     (wl-address-add-or-change the-email name-in-addr)
1313     "added"))
1314
1315 (defun wl-summary-edit-addresses (&optional addr-str)
1316   "Edit address book interactively.
1317 Optional argument ADDR-STR is used as a target address if specified."
1318   (interactive (if current-prefix-arg
1319                    (list (read-from-minibuffer "Target address: "))))
1320   (if (null (wl-summary-message-number))
1321       (message "No message.")
1322     (save-excursion
1323       (let* ((charset wl-summary-buffer-mime-charset)
1324              (candidates
1325               (with-current-buffer (wl-summary-get-original-buffer)
1326                 (wl-summary-edit-addresses-collect-candidate-fields
1327                  charset)))
1328              address pair result)
1329         (if addr-str
1330             (setq address addr-str)
1331           (when candidates
1332             (setq address (car (car candidates)))
1333             (setq address
1334                   (completing-read
1335                    (format "Target address (%s): " address)
1336                    (mapcar
1337                     (function (lambda (x) (cons (car x) (car x))))
1338                     candidates)
1339                    nil nil nil nil address))))
1340         (when address
1341           (setq pair (assoc address candidates))
1342           (unless pair
1343             (setq pair (cons address nil)))
1344           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1345             ;; update alias
1346             (wl-status-update)
1347             (setq address (assoc (car pair) wl-address-list))
1348             (if address
1349                 (message "%s, %s, <%s> is %s."
1350                          (nth 2 address)
1351                          (nth 1 address)
1352                          (nth 0 address)
1353                          result)))
1354 ;;; i'd like to update summary-buffer, but...
1355 ;;;     (wl-summary-rescan)
1356           (run-hooks 'wl-summary-edit-addresses-hook))))))
1357
1358 (defun wl-summary-incorporate (&optional arg)
1359   "Check and prefetch all uncached messages.
1360 If ARG is non-nil, checking is omitted."
1361   (interactive "P")
1362   (unless arg
1363     (save-excursion
1364       (wl-summary-sync-force-update)))
1365   (wl-summary-prefetch-region (point-min) (point-max)
1366                               wl-summary-incorporate-marks))
1367
1368 (defun wl-summary-prefetch-msg (number &optional arg)
1369   "Returns status-mark. if skipped, returns nil."
1370   ;; prefetching procedure.
1371   (save-excursion
1372     (let* ((msgdb (wl-summary-buffer-msgdb))
1373            (number-alist (elmo-msgdb-get-number-alist msgdb))
1374            (message-id (cdr (assq number number-alist)))
1375            (ov (elmo-msgdb-overview-get-entity message-id msgdb))
1376            (wl-message-entity ov)
1377            (entity ov)                  ; backward compatibility.
1378            (size (elmo-msgdb-overview-entity-get-size ov))
1379            (inhibit-read-only t)
1380            (buffer-read-only nil)
1381            (file-cached (elmo-file-cache-exists-p message-id))
1382            (force-read (and size
1383                             (or (and (null wl-prefetch-confirm) arg)
1384                                 (null wl-prefetch-threshold)
1385                                 (< size wl-prefetch-threshold))))
1386            mark new-mark)
1387       (unwind-protect
1388           (progn
1389             (when (and (or arg (not file-cached))
1390                        size (not force-read) wl-prefetch-confirm)
1391               (setq force-read
1392                     (save-restriction
1393                       (widen)
1394                       (y-or-n-p
1395                        (format
1396                         "Message from %s has %d bytes.  Prefetch it? "
1397                         (concat
1398                          "[ "
1399                          (save-match-data
1400                            (wl-set-string-width
1401                             17
1402                             (funcall wl-summary-from-function
1403                              (eword-decode-string
1404                               (elmo-delete-char
1405                                ?\"
1406                                (or
1407                                 (elmo-msgdb-overview-entity-get-from ov)
1408                                 "??")))))) " ]")
1409                         size))))
1410               (message ""))             ; flush.
1411             (setq mark (elmo-msgdb-get-mark msgdb number))
1412             (if force-read
1413                 (save-excursion
1414                   (save-match-data
1415                     ;; online
1416                     (if (or arg (not file-cached))
1417                         (elmo-message-encache
1418                          wl-summary-buffer-elmo-folder
1419                          number))
1420                     (setq new-mark
1421                           (cond
1422                            ((string= mark
1423                                      wl-summary-unread-uncached-mark)
1424                             wl-summary-unread-cached-mark)
1425                            ((string= mark wl-summary-new-mark)
1426                             (setq wl-summary-buffer-new-count
1427                                   (- wl-summary-buffer-new-count 1))
1428                             (setq wl-summary-buffer-unread-count
1429                                   (+ wl-summary-buffer-unread-count 1))
1430                             wl-summary-unread-cached-mark)
1431                            ((string= mark wl-summary-read-uncached-mark)
1432                             nil)
1433                            (t mark)))
1434                     (elmo-msgdb-set-mark msgdb number new-mark)
1435                     (or new-mark (setq new-mark " "))
1436                     (wl-summary-set-mark-modified)
1437                     (wl-summary-update-modeline)
1438                     (wl-folder-update-unread
1439                      (wl-summary-buffer-folder-name)
1440                      (+ wl-summary-buffer-unread-count
1441                         wl-summary-buffer-new-count)))
1442                   new-mark)))))))
1443
1444 ;;(defvar wl-summary-message-uncached-marks
1445 ;;  (list wl-summary-new-mark
1446 ;;      wl-summary-unread-uncached-mark
1447 ;;      wl-summary-read-uncached-mark))
1448
1449 (defun wl-summary-prefetch-region (beg end &optional prefetch-marks)
1450   (interactive "r")
1451   (let ((count 0)
1452         targets
1453         mark length
1454         entity msg
1455         start-pos pos)
1456     (save-excursion
1457       (setq start-pos (point))
1458       (save-restriction
1459         (narrow-to-region beg end)
1460         ;; collect prefetch targets.
1461         (message "Collecting marks...")
1462         (goto-char (point-min))
1463         (while (not (eobp))
1464           (setq mark (wl-summary-persistent-mark)
1465                 msg (wl-summary-message-number))
1466           (if (or (and (null prefetch-marks)
1467                        msg
1468                        (null (elmo-file-cache-exists-p
1469                               (elmo-message-field
1470                                wl-summary-buffer-elmo-folder
1471                                msg
1472                                'message-id))))
1473                   (member mark prefetch-marks))
1474               (setq targets (nconc targets (list msg))))
1475           (setq entity (wl-thread-get-entity msg))
1476           (if (or (not (eq wl-summary-buffer-view 'thread))
1477                   (wl-thread-entity-get-opened entity))
1478               (); opened. no hidden children.
1479             (setq targets (nconc
1480                            targets
1481                            (wl-thread-get-children-msgs-uncached
1482                             msg prefetch-marks))))
1483           (forward-line 1))
1484         (setq length (length targets))
1485         (message "Prefetching...")
1486         (while targets
1487           (setq mark (if (not (wl-thread-entity-parent-invisible-p
1488                                (wl-thread-get-entity (car targets))))
1489                          (progn
1490                            (wl-summary-jump-to-msg (car targets))
1491                            (wl-summary-prefetch))
1492                        (wl-summary-prefetch-msg (car targets))))
1493           (if (if prefetch-marks
1494                   (string= mark wl-summary-unread-cached-mark)
1495                 (or (string= mark wl-summary-unread-cached-mark)
1496                     (string= mark " ")))
1497               (message "Prefetching... %d/%d message(s)"
1498                        (setq count (+ 1 count)) length))
1499           ;; redisplay!
1500           (save-excursion
1501             (setq pos (point))
1502             (goto-char start-pos)
1503             (if (pos-visible-in-window-p pos)
1504                 (save-restriction
1505                   (widen)
1506                   (sit-for 0))))
1507           (setq targets (cdr targets)))
1508         (message "Prefetched %d/%d message(s)" count length)
1509         (cons count length)))))
1510
1511 (defun wl-summary-prefetch (&optional arg)
1512   "Prefetch current message."
1513   (interactive "P")
1514   (save-excursion
1515     (let ((inhibit-read-only t)
1516           (buffer-read-only nil)
1517           (mark (wl-summary-persistent-mark)))
1518       (setq mark (wl-summary-prefetch-msg (wl-summary-message-number) arg))
1519       (when mark
1520         (delete-backward-char 1)
1521         (insert mark)
1522         (if wl-summary-highlight
1523             (wl-highlight-summary-current-line)))
1524       (set-buffer-modified-p nil)
1525       mark)))
1526
1527 (defun wl-summary-delete-marks-on-buffer (marks)
1528   (while marks
1529     (wl-summary-unmark (pop marks))))
1530
1531 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1532   (wl-summary-delete-marks-on-buffer copies))
1533
1534 (defun wl-summary-delete-all-refile-marks ()
1535   (let ((marks wl-summary-buffer-refile-list))
1536     (while marks
1537       (wl-summary-unmark (car (pop marks))))))
1538
1539 (defun wl-summary-delete-all-copy-marks ()
1540   (let ((marks wl-summary-buffer-copy-list))
1541     (while marks
1542       (wl-summary-unmark (car (pop marks))))))
1543
1544 (defun wl-summary-delete-all-delete-marks ()
1545   (wl-summary-delete-marks-on-buffer wl-summary-buffer-delete-list))
1546
1547 (defun wl-summary-delete-all-target-marks ()
1548   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1549
1550 (defun wl-summary-delete-all-temp-marks-on-buffer (&optional sticky)
1551   ;; for summary view cache saving.
1552   (save-excursion
1553     (goto-char (point-min))
1554     (let ((inhibit-read-only t)
1555           (buffer-read-only nil))
1556        (while (not (eobp))
1557         (unless (string= (wl-summary-temp-mark) " ")
1558           (delete-backward-char 1)
1559           (insert " "))
1560         (forward-line 1)))))
1561
1562 (defun wl-summary-mark-as-read-region (beg end)
1563   (interactive "r")
1564   (save-excursion
1565     (save-restriction
1566       (narrow-to-region beg end)
1567       (goto-char (point-min))
1568       (if (eq wl-summary-buffer-view 'thread)
1569           (progn
1570             (while (not (eobp))
1571               (let* ((number (wl-summary-message-number))
1572                      (entity (wl-thread-get-entity number))
1573                      children)
1574                 (if (wl-thread-entity-get-opened entity)
1575                     ;; opened...mark line.
1576                     (wl-summary-mark-as-read number)
1577                   ;; closed
1578                   (wl-summary-mark-as-read number) ; mark itself.
1579                   (setq children (wl-thread-get-children-msgs number))
1580                   (while children
1581                     (wl-summary-mark-as-read (car children))
1582                     (setq children (cdr children))))
1583                 (forward-line 1))))
1584         (while (not (eobp))
1585           (wl-summary-mark-as-read (wl-summary-message-number))
1586           (forward-line 1)))))
1587   (wl-summary-count-unread)
1588   (wl-summary-update-modeline))
1589
1590 (defun wl-summary-mark-as-unread-region (beg end)
1591   (interactive "r")
1592   (save-excursion
1593     (save-restriction
1594       (narrow-to-region beg end)
1595 ;;; use narrowing.
1596 ;;;      (save-excursion (goto-char end)
1597 ;;;                   (end-of-line) (point)))
1598       (goto-char (point-min))
1599       (if (eq wl-summary-buffer-view 'thread)
1600           (progn
1601             (while (not (eobp))
1602               (let* ((number (wl-summary-message-number))
1603                      (entity (wl-thread-get-entity number))
1604                      children)
1605                 (if (wl-thread-entity-get-opened entity)
1606                     ;; opened...mark line.
1607                     ;; Crossposts are not processed
1608                     (wl-summary-mark-as-unread)
1609                   ;; closed
1610                   (wl-summary-mark-as-unread) ; mark itself.
1611                   (setq children
1612                         (delq number (wl-thread-get-children-msgs number)))
1613                   (while children
1614                     (wl-summary-mark-as-unread (car children))
1615                     (setq children (cdr children))))
1616                 (forward-line 1))))
1617         (while (not (eobp))
1618           (wl-summary-mark-as-unread)
1619           (forward-line 1)))))
1620   (wl-summary-count-unread)
1621   (wl-summary-update-modeline))
1622
1623 (defun wl-summary-mark-as-important-region (beg end)
1624   (interactive "r")
1625   (save-excursion
1626     (save-restriction
1627       (narrow-to-region beg end);(save-excursion (goto-char end)
1628                                         ;    (end-of-line) (point)))
1629       (goto-char (point-min))
1630       (if (eq wl-summary-buffer-view 'thread)
1631           (progn
1632             (while (not (eobp))
1633               (let* ((number (wl-summary-message-number))
1634                      (entity (wl-thread-get-entity number))
1635                      children)
1636                 (if (wl-thread-entity-get-opened entity)
1637                     ;; opened...mark line.
1638                     ;; Crossposts are not processed
1639                     (wl-summary-mark-as-important)
1640                   ;; closed
1641                   (wl-summary-mark-as-important) ; mark itself.
1642                   (setq children
1643                         (delq number (wl-thread-get-children-msgs number)))
1644                   (while children
1645                     (wl-thread-msg-mark-as-important (car children))
1646                     (setq children (cdr children))))
1647                 (forward-line 1))))
1648         (while (not (eobp))
1649           (wl-summary-mark-as-important)
1650           (forward-line 1)))))
1651   (wl-summary-count-unread)
1652   (wl-summary-update-modeline))
1653
1654 (defun wl-summary-mark-as-read-all ()
1655   (interactive)
1656   (if (or (not (interactive-p))
1657           (y-or-n-p "Mark all messages as read? "))
1658       (let* ((folder wl-summary-buffer-elmo-folder)
1659              (cur-buf (current-buffer))
1660              (msgdb (wl-summary-buffer-msgdb))
1661              (inhibit-read-only t)
1662              (buffer-read-only nil)
1663              (case-fold-search nil)
1664              msg mark)
1665         (message "Setting all msgs as read...")
1666         (elmo-folder-mark-as-read folder
1667                                   (elmo-folder-list-unreads
1668                                    folder
1669                                    (list wl-summary-unread-cached-mark
1670                                          wl-summary-unread-uncached-mark
1671                                          wl-summary-new-mark)))
1672         (save-excursion
1673           (goto-char (point-min))
1674           (while (not (eobp))
1675             (setq msg (wl-summary-message-number))
1676             (setq mark (wl-summary-persistent-mark))
1677             (when (and (not (string= mark " "))
1678                        (not (string= mark wl-summary-important-mark))
1679                        (not (string= mark wl-summary-read-uncached-mark)))
1680               (delete-backward-char 1)
1681               (if (or (not (elmo-message-use-cache-p folder msg))
1682                       (string= mark wl-summary-unread-cached-mark))
1683                   (progn
1684                     (insert " ")
1685                     (elmo-msgdb-set-mark msgdb msg nil))
1686                 ;; New mark and unread-uncached mark
1687                 (insert wl-summary-read-uncached-mark)
1688                 (elmo-msgdb-set-mark
1689                  msgdb msg wl-summary-read-uncached-mark))
1690               (if wl-summary-highlight
1691                   (wl-highlight-summary-current-line nil nil t)))
1692             (forward-line 1)))
1693         (elmo-folder-replace-marks
1694          folder
1695          (list (cons wl-summary-unread-cached-mark
1696                      nil)
1697                (cons wl-summary-unread-uncached-mark
1698                      wl-summary-read-uncached-mark)
1699                (cons wl-summary-new-mark
1700                      wl-summary-read-uncached-mark)))
1701         (wl-summary-set-mark-modified)
1702         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1703         (setq wl-summary-buffer-unread-count 0)
1704         (setq wl-summary-buffer-new-count    0)
1705         (wl-summary-update-modeline)
1706         (message "Setting all msgs as read...done")
1707         (set-buffer-modified-p nil))))
1708
1709 (defun wl-summary-delete-cache ()
1710   "Delete cache of current message."
1711   (interactive)
1712   (save-excursion
1713     (let* ((inhibit-read-only t)
1714            (buffer-read-only nil)
1715            (folder wl-summary-buffer-elmo-folder)
1716            (msgdb (wl-summary-buffer-msgdb))
1717            (number-alist (elmo-msgdb-get-number-alist msgdb))
1718            (case-fold-search nil)
1719            mark number unread new-mark)
1720       (setq mark (wl-summary-persistent-mark))
1721       (cond
1722        ((or (string= mark wl-summary-new-mark)
1723             (string= mark wl-summary-unread-uncached-mark)
1724             (string= mark wl-summary-important-mark))
1725         ;; noop
1726         )
1727        ((string= mark wl-summary-unread-cached-mark)
1728         (setq new-mark wl-summary-unread-uncached-mark))
1729        (t
1730         (setq new-mark wl-summary-read-uncached-mark)))
1731       (when new-mark
1732         (setq number (wl-summary-message-number))
1733         (delete-backward-char 1)
1734         (insert new-mark)
1735         (elmo-file-cache-delete
1736          (elmo-file-cache-get-path
1737           (elmo-message-field wl-summary-buffer-elmo-folder
1738                               number
1739                               'message-id)))
1740         (elmo-msgdb-set-mark msgdb number new-mark)
1741         (wl-summary-set-mark-modified)
1742         (if wl-summary-highlight
1743             (wl-highlight-summary-current-line nil nil t))
1744         (set-buffer-modified-p nil)))))
1745
1746 (defun wl-summary-resume-cache-status ()
1747   "Resume the cache status of all messages in the current folder."
1748   (interactive)
1749   (let* ((folder wl-summary-buffer-elmo-folder)
1750          (cur-buf (current-buffer))
1751          (msgdb (wl-summary-buffer-msgdb))
1752          (number-alist (elmo-msgdb-get-number-alist msgdb))
1753          (inhibit-read-only t)
1754          (buffer-read-only nil)
1755          (case-fold-search nil)
1756          msg mark msgid set-mark)
1757     (message "Resuming cache status...")
1758     (save-excursion
1759       (goto-char (point-min))
1760       (while (not (eobp))
1761         (setq msg (wl-summary-message-number))
1762         (setq mark (wl-summary-persistent-mark))
1763         (setq msgid (elmo-msgdb-get-field msgdb msg 'message-id))
1764         (setq set-mark nil)
1765         (if (elmo-file-cache-exists-p msgid)
1766             (if (or
1767                  (string= mark wl-summary-unread-uncached-mark) ; U -> !
1768                  (string= mark wl-summary-new-mark)             ; N -> !
1769                  )
1770                 (setq set-mark wl-summary-unread-cached-mark)
1771               (if (string= mark wl-summary-read-uncached-mark)  ; u -> ' '
1772                   (setq set-mark " ")))
1773           (if (string= mark " ")
1774               (setq set-mark wl-summary-read-uncached-mark)     ;' ' -> u
1775             (if (string= mark wl-summary-unread-cached-mark)
1776                 (setq set-mark wl-summary-unread-uncached-mark) ; !  -> U
1777               )))
1778         (when set-mark
1779           (delete-backward-char 1)
1780           (insert set-mark)
1781           (elmo-msgdb-set-mark msgdb msg
1782                                (if (string= set-mark " ") nil set-mark))
1783           (if wl-summary-highlight
1784               (wl-highlight-summary-current-line)))
1785         (forward-line 1))
1786       (wl-summary-set-mark-modified)
1787       (wl-summary-count-unread)
1788       (wl-summary-update-modeline)
1789       (message "Resuming cache status...done")
1790       (set-buffer-modified-p nil))))
1791
1792 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1793   (interactive)
1794   (save-excursion
1795     (let ((inhibit-read-only t)
1796           (buffer-read-only nil)
1797           (msgs2 msgs)
1798           (len (length msgs))
1799           (i 0)
1800           update-list)
1801       (elmo-kill-buffer wl-summary-search-buf-name)
1802       (while msgs
1803         (if (eq wl-summary-buffer-view 'thread)
1804             (progn
1805               ;; don't use wl-append(nconc), because list is broken. ...why?
1806               (setq update-list
1807                     (append update-list
1808                             (wl-thread-delete-message (car msgs))))
1809               (setq update-list (delq (car msgs) update-list)))
1810           (goto-char (point-min))
1811           (if (wl-summary-jump-to-msg (car msgs))
1812               (progn
1813                 (delete-region (point-at-bol) (point-at-eol))
1814                 (delete-char 1) ; delete '\n'
1815                 (setq wl-summary-buffer-number-list
1816                       (delq (car msgs) wl-summary-buffer-number-list)))))
1817         (when (and deleting-info
1818                    (> len elmo-display-progress-threshold))
1819           (setq i (1+ i))
1820           (if (or (zerop (% i 5)) (= i len))
1821               (elmo-display-progress
1822                'wl-summary-delete-messages-on-buffer deleting-info
1823                (/ (* i 100) len))))
1824         (setq msgs (cdr msgs)))
1825       (when (eq wl-summary-buffer-view 'thread)
1826         (wl-thread-update-line-msgs (elmo-uniq-list update-list)
1827                                     (unless deleting-info 'no-msg))
1828         (wl-thread-cleanup-symbols msgs2))
1829       (wl-summary-count-unread)
1830       (wl-summary-update-modeline)
1831       (wl-folder-update-unread
1832        (wl-summary-buffer-folder-name)
1833        (+ wl-summary-buffer-unread-count wl-summary-buffer-new-count)))))
1834
1835 (defun wl-summary-replace-status-marks (before after)
1836   "Replace the status marks on buffer."
1837   (interactive)
1838   (save-excursion
1839     (goto-char (point-min))
1840     (let ((inhibit-read-only t)
1841           (buffer-read-only nil))
1842       (while (not (eobp))
1843         (when (string= (wl-summary-persistent-mark) before)
1844           (delete-backward-char 1)
1845           (insert after)
1846           (if wl-summary-highlight
1847               (wl-highlight-summary-current-line)))
1848         (forward-line 1)))))
1849
1850 (defun wl-summary-get-delete-folder (folder)
1851   (if (string= folder wl-trash-folder)
1852       'null
1853     (let* ((type (or (wl-get-assoc-list-value wl-delete-folder-alist folder)
1854                      'trash)))
1855       (cond ((stringp type)
1856              type)
1857             ((or (equal type 'remove) (equal type 'null))
1858              'null)
1859             (t;; (equal type 'trash)
1860              (let ((trash-folder (wl-folder-get-elmo-folder wl-trash-folder)))
1861                (unless (elmo-folder-exists-p trash-folder)
1862                  (if (y-or-n-p
1863                       (format "Trash Folder %s does not exist, create it? "
1864                               wl-trash-folder))
1865                      (elmo-folder-create trash-folder)
1866                    (error "Trash Folder is not created"))))
1867                wl-trash-folder)))))
1868
1869 (defun wl-summary-get-append-message-func ()
1870   (if (eq wl-summary-buffer-view 'thread)
1871       'wl-summary-insert-thread-entity
1872     'wl-summary-insert-sequential))
1873
1874 (defun wl-summary-sort ()
1875   (interactive)
1876   (wl-summary-rescan
1877    (completing-read
1878     (format "Sort by (%s): " (symbol-name wl-summary-default-sort-spec))
1879     (mapcar (lambda (spec)
1880               (list (symbol-name spec)))
1881             wl-summary-sort-specs)
1882     nil t nil nil (symbol-name wl-summary-default-sort-spec))))
1883
1884 (defun wl-summary-sync-marks ()
1885   "Update marks in summary."
1886   (interactive)
1887   (let ((last-progress 0)
1888         (i 0)
1889         unread-marks importants unreads
1890         importants-in-db unreads-in-db diff diffs
1891         mes progress)
1892     ;; synchronize marks.
1893     (when (not (eq (elmo-folder-type-internal
1894                     wl-summary-buffer-elmo-folder)
1895                    'internal))
1896       (message "Updating marks...")
1897       (setq unread-marks (list wl-summary-unread-cached-mark
1898                                wl-summary-unread-uncached-mark
1899                                wl-summary-new-mark)
1900             importants-in-db (elmo-folder-list-messages-mark-match
1901                               wl-summary-buffer-elmo-folder
1902                               (regexp-quote wl-summary-important-mark))
1903             unreads-in-db (elmo-folder-list-messages-mark-match
1904                            wl-summary-buffer-elmo-folder
1905                            (wl-regexp-opt unread-marks))
1906             importants (elmo-folder-list-importants
1907                         wl-summary-buffer-elmo-folder
1908                         wl-summary-important-mark)
1909             unreads (elmo-folder-list-unreads
1910                      wl-summary-buffer-elmo-folder
1911                      unread-marks))
1912       (setq diff (elmo-list-diff importants importants-in-db))
1913       (setq diffs (cadr diff)) ; important-deletes
1914       (setq mes (format "Updated (-%d" (length diffs)))
1915       (while diffs
1916         (wl-summary-mark-as-important (car diffs)
1917                                       wl-summary-important-mark
1918                                       'no-server)
1919         (setq diffs (cdr diffs)))
1920       (setq diffs (car diff)) ; important-appends
1921       (setq mes (concat mes (format "/+%d) important," (length diffs))))
1922       (while diffs
1923         (wl-summary-mark-as-important (car diffs) " " 'no-server)
1924         (setq diffs (cdr diffs)))
1925       (setq diff (elmo-list-diff unreads unreads-in-db))
1926       (setq diffs (cadr diff))
1927       (setq mes (concat mes (format "(-%d" (length diffs))))
1928       (while diffs
1929         (wl-summary-mark-as-read (car diffs) 'no-folder)
1930         (setq diffs (cdr diffs)))
1931       (setq diffs (car diff)) ; unread-appends
1932       (setq mes (concat mes (format "/+%d) unread mark(s)." (length diffs))))
1933       (while diffs
1934         (wl-summary-mark-as-unread (car diffs) 'no-server 'no-modeline)
1935         (setq diffs (cdr diffs)))
1936       (if (interactive-p) (message mes)))))
1937
1938 (defun wl-summary-sync-update (&optional unset-cursor sync-all no-check)
1939   "Update the summary view to the newest folder status."
1940   (interactive)
1941   (let* ((folder wl-summary-buffer-elmo-folder)
1942          (case-fold-search nil)
1943          (elmo-mime-charset wl-summary-buffer-mime-charset)
1944          (inhibit-read-only t)
1945          (buffer-read-only nil)
1946          gc-message
1947          overview number-alist
1948          curp num i new-msgdb
1949          append-list delete-list crossed
1950          update-thread update-top-list
1951          expunged mes sync-result entity)
1952     (unwind-protect
1953         (progn
1954           (unless wl-summary-buffer-elmo-folder
1955             (error "(Internal error) Folder is not set:%s" (buffer-name
1956                                                             (current-buffer))))
1957           (fset 'wl-summary-append-message-func-internal
1958                 (wl-summary-get-append-message-func))
1959           ;; Flush pending append operations (disconnected operation).
1960           ;;(setq seen-list
1961           ;;(wl-summary-flush-pending-append-operations seen-list))
1962           (goto-char (point-max))
1963           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1964           (setq sync-result (elmo-folder-synchronize
1965                              folder
1966                              wl-summary-new-mark
1967                              wl-summary-unread-uncached-mark
1968                              wl-summary-unread-cached-mark
1969                              wl-summary-read-uncached-mark
1970                              wl-summary-important-mark
1971                              sync-all no-check))
1972           (setq new-msgdb (nth 0 sync-result))
1973           (setq delete-list (nth 1 sync-result))
1974           (setq crossed (nth 2 sync-result))
1975           (if sync-result
1976               (progn
1977                 ;; Setup sync-all
1978                 (if sync-all (wl-summary-sync-all-init))
1979 ;    (if (and has-nntp
1980 ;            (elmo-nntp-max-number-precedes-list-active-p))
1981         ;; XXX this does not work correctly in rare case.
1982 ;       (setq delete-list
1983 ;             (wl-summary-delete-canceled-msgs-from-list
1984 ;              delete-list
1985 ;              (wl-summary-buffer-msgdb))))
1986                 (when delete-list
1987                   (wl-summary-delete-messages-on-buffer delete-list "Deleting...")
1988                   (message "Deleting...done"))
1989                 (when new-msgdb
1990                   (wl-summary-replace-status-marks
1991                    wl-summary-new-mark
1992                    wl-summary-unread-uncached-mark))
1993                 (setq append-list (elmo-msgdb-get-overview new-msgdb))
1994                 (setq curp append-list)
1995                 (setq num (length curp))
1996                 (when append-list
1997                   (setq i 0)
1998
1999                   ;; set these value for append-message-func
2000                   (setq overview (elmo-msgdb-get-overview
2001                                   (elmo-folder-msgdb folder)))
2002                   (setq number-alist (elmo-msgdb-get-number-alist
2003                                       (elmo-folder-msgdb folder)))
2004
2005                   (setq wl-summary-delayed-update nil)
2006                   (elmo-kill-buffer wl-summary-search-buf-name)
2007                   (while curp
2008                     (setq entity (car curp))
2009                     (when (setq update-thread
2010                                 (wl-summary-append-message-func-internal
2011                                  entity (elmo-folder-msgdb folder)
2012                                  (not sync-all)))
2013                       (wl-append update-top-list update-thread))
2014                     (if elmo-use-database
2015                         (elmo-database-msgid-put
2016                          (car entity) (elmo-folder-name-internal folder)
2017                          (elmo-msgdb-overview-entity-get-number entity)))
2018                     (setq curp (cdr curp))
2019                     (when (> num elmo-display-progress-threshold)
2020                       (setq i (+ i 1))
2021                       (if (or (zerop (% i 5)) (= i num))
2022                           (elmo-display-progress
2023                            'wl-summary-sync-update "Updating thread..."
2024                            (/ (* i 100) num)))))
2025                   (when wl-summary-delayed-update
2026                     (while wl-summary-delayed-update
2027                       (message "Parent (%d) of message %d is no entity"
2028                                (caar wl-summary-delayed-update)
2029                                (elmo-msgdb-overview-entity-get-number
2030                                 (cdar wl-summary-delayed-update)))
2031                       (when (setq update-thread
2032                                   (wl-summary-append-message-func-internal
2033                                    (cdar wl-summary-delayed-update)
2034                                    (elmo-folder-msgdb folder)
2035                                    (not sync-all) t))
2036                         (wl-append update-top-list update-thread))
2037                       (setq wl-summary-delayed-update
2038                             (cdr wl-summary-delayed-update))))
2039                   (when (and (eq wl-summary-buffer-view 'thread)
2040                              update-top-list)
2041                     (wl-thread-update-indent-string-thread
2042                      (elmo-uniq-list update-top-list)))
2043                   (message "Updating thread...done"))
2044                 (unless (eq wl-summary-buffer-view 'thread)
2045                   (wl-summary-make-number-list))
2046                 (wl-summary-set-message-modified)
2047                 (wl-summary-set-mark-modified)
2048                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2049                   (elmo-kill-buffer wl-summary-search-buf-name)
2050                   (message "Inserting thread...")
2051                   (wl-thread-insert-top)
2052                   (message "Inserting thread...done"))
2053                 (if elmo-use-database
2054                     (elmo-database-close))
2055                 (run-hooks 'wl-summary-sync-updated-hook)
2056                 (setq mes
2057                       (if (and (eq (length delete-list) 0)
2058                                (eq num 0))
2059                           (format
2060                            "No updates for \"%s\"" (elmo-folder-name-internal
2061                                                     folder))
2062                         (format "Updated (-%d/+%d) message(s)"
2063                                 (length delete-list) num))))
2064             (setq mes "Quit updating.")))
2065       ;; synchronize marks.
2066       (if (and wl-summary-auto-sync-marks sync-result)
2067           (wl-summary-sync-marks))
2068       ;; scoring
2069       (when wl-use-scoring
2070         (setq wl-summary-scored nil)
2071         (wl-summary-score-headers nil (wl-summary-buffer-msgdb)
2072                                   (and sync-all
2073                                        (wl-summary-rescore-msgs number-alist))
2074                                   sync-all)
2075         (when (and wl-summary-scored
2076                    (setq expunged (wl-summary-score-update-all-lines)))
2077           (setq mes (concat mes
2078                             (format " (%d expunged)"
2079                                     (length expunged))))))
2080       (if (and crossed (> crossed 0))
2081           (setq mes
2082                 (if mes
2083                     (concat mes
2084                             (format " (%d crosspost)" crossed))
2085                   (format "%d crosspost message(s)" crossed)))
2086         (and mes (setq mes (concat mes "."))))
2087       ;; Update Folder mode
2088       (wl-folder-set-folder-updated
2089        (elmo-folder-name-internal folder)
2090        (list 0
2091              (let ((pair (wl-summary-count-unread)))
2092                (+ (car pair) (cdr pair)))
2093              (elmo-folder-messages folder)))
2094       (wl-summary-update-modeline)
2095       ;;
2096       (unless unset-cursor
2097         (goto-char (point-min))
2098         (if (not (wl-summary-cursor-down t))
2099             (progn
2100               (goto-char (point-max))
2101               (forward-line -1))
2102           (if (and wl-summary-highlight
2103                    (not (get-text-property (point) 'face)))
2104               (save-excursion
2105                 (forward-line (- 0
2106                                  (or
2107                                   wl-summary-partial-highlight-above-lines
2108                                   wl-summary-highlight-partial-threshold)))
2109                 (wl-highlight-summary (point) (point-max))))))
2110       (setq wl-summary-buffer-msgdb (elmo-folder-msgdb folder))
2111       (wl-delete-all-overlays)
2112       (set-buffer-modified-p nil)
2113       (if mes (message "%s" mes)))))
2114
2115 (defun wl-summary-set-score-mark (mark)
2116   (save-excursion
2117     (beginning-of-line)
2118     (let ((inhibit-read-only t)
2119           (buffer-read-only nil)
2120           msg-num
2121           cur-mark)
2122       (setq msg-num (wl-summary-message-number))
2123       (setq cur-mark (wl-summary-temp-mark))
2124       (when (member cur-mark (list " "
2125                                    wl-summary-score-below-mark
2126                                    wl-summary-score-over-mark))
2127         (delete-backward-char 1)
2128         (insert mark)
2129         (if wl-summary-highlight
2130             (wl-highlight-summary-current-line nil nil t))
2131         (set-buffer-modified-p nil)))))
2132
2133 (defun wl-summary-get-score-mark (msg-num)
2134   (let ((score (cdr (assq msg-num wl-summary-scored))))
2135     (if score
2136         (cond ((< score wl-summary-default-score)
2137                "-")
2138               ((> score wl-summary-default-score)
2139                "+")))))
2140
2141 (defun wl-summary-update-modeline ()
2142   (setq wl-summary-buffer-mode-line
2143         (funcall wl-summary-buffer-mode-line-formatter)))
2144
2145 (defun wl-summary-jump-to-msg (&optional number)
2146   (interactive)
2147   (let ((num (or number
2148                  (string-to-int
2149                   (read-from-minibuffer "Jump to Message(No.): ")))))
2150     (setq num (int-to-string num))
2151     (beginning-of-line)
2152     (if (or (and (re-search-forward (concat "\r" num "[^0-9]") nil t)
2153                  (progn (backward-char 1) t))
2154             (re-search-backward (concat "\r" num "[^0-9]") nil t))
2155         (progn (beginning-of-line) t)
2156       nil)))
2157
2158 (defun wl-summary-highlight-msgs (msgs)
2159   (save-excursion
2160     (let ((len (length msgs))
2161           i)
2162       (message "Hilighting...")
2163       (setq i 0)
2164       (while msgs
2165         (if (wl-summary-jump-to-msg (car msgs))
2166             (wl-highlight-summary-current-line))
2167         (setq msgs (cdr msgs))
2168         (when (> len elmo-display-progress-threshold)
2169           (setq i (+ i 1))
2170           (if (or (zerop (% i 5)) (= i len))
2171               (elmo-display-progress
2172                'wl-summary-highlight-msgs "Highlighting..."
2173                (/ (* i 100) len)))))
2174       (message "Highlighting...done"))))
2175
2176 (defun wl-summary-message-number ()
2177   (save-excursion
2178     (beginning-of-line)
2179     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2180             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2181         (string-to-int (wl-match-buffer 1))
2182       nil)))
2183
2184 (defun wl-summary-delete-all-msgs ()
2185   (interactive)
2186   (let ((cur-buf (current-buffer))
2187         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2188     (set-buffer cur-buf)
2189     (if (null dels)
2190         (message "No message to delete.")
2191       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2192                             (wl-summary-buffer-folder-name)
2193                             (length dels)))
2194           (progn
2195             (message "Deleting...")
2196             (elmo-folder-delete-messages
2197              wl-summary-buffer-elmo-folder dels)
2198             (elmo-msgdb-delete-msgs (wl-summary-buffer-msgdb)
2199                                     dels)
2200 ;;;         (elmo-msgdb-save (wl-summary-buffer-folder-name) nil)
2201             (wl-summary-set-message-modified)
2202             (wl-summary-set-mark-modified)
2203             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2204                                           (list 0 0 0))
2205 ;;; for thread.
2206 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2207             (setq wl-summary-buffer-unread-count 0)
2208             (setq wl-summary-buffer-new-count    0)
2209             (wl-summary-update-modeline)
2210             (set-buffer cur-buf)
2211             (let ((inhibit-read-only t)
2212                   (buffer-read-only nil))
2213               (erase-buffer))
2214 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2215             (message "Deleting...done")
2216             t)
2217         nil))))
2218
2219 (defun wl-summary-toggle-thread (&optional arg)
2220   "Toggle thread status (T)hread and (S)equential.
2221 If ARG, without confirm."
2222   (interactive "P")
2223   (when (or arg
2224             (y-or-n-p (format "Toggle threading? (y=%s): "
2225                               (if (eq wl-summary-buffer-view 'thread)
2226                                   "\"off\"" "\"on\""))))
2227     (if (eq wl-summary-buffer-view 'thread)
2228         (setq wl-summary-buffer-view 'sequence)
2229       (setq wl-summary-buffer-view 'thread))
2230     (wl-summary-update-modeline)
2231     (force-mode-line-update)
2232     (wl-summary-rescan)))
2233
2234 (defun wl-summary-load-file-object (filename)
2235   "Load lisp object from dir."
2236   (save-excursion
2237     (let ((tmp-buffer (get-buffer-create " *wl-summary-load-file-object*"))
2238           insert-file-contents-pre-hook   ; To avoid autoconv-xmas...
2239           insert-file-contents-post-hook
2240           ret-val)
2241       (if (not (file-readable-p filename))
2242           ()
2243         (set-buffer tmp-buffer)
2244         (as-binary-input-file (insert-file-contents filename))
2245         (setq ret-val
2246               (condition-case nil
2247                   (read (current-buffer))
2248                 (error (error "Reading failed")))))
2249       (kill-buffer tmp-buffer)
2250       ret-val)))
2251
2252 (defun wl-summary-goto-folder (&optional arg)
2253   (interactive "P")
2254   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2255
2256 (defun wl-summary-goto-folder-sticky ()
2257   (interactive)
2258   (wl-summary-goto-folder-subr nil nil nil t t))
2259
2260 (defun wl-summary-goto-last-visited-folder ()
2261   (interactive)
2262   (let ((entity
2263          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2264                                           wl-folder-entity
2265                                           'folder)))
2266     (if entity (wl-folder-set-current-entity-id
2267                 (wl-folder-get-entity-id entity))))
2268   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2269
2270 (defun wl-summary-sticky-p (&optional folder)
2271   (if folder
2272       (get-buffer (wl-summary-sticky-buffer-name
2273                    (elmo-folder-name-internal folder)))
2274     (not (string= wl-summary-buffer-name (buffer-name)))))
2275
2276 (defun wl-summary-always-sticky-folder-p (folder)
2277   (or (eq t wl-summary-always-sticky-folder-list)
2278       (wl-string-match-member
2279        (elmo-folder-name-internal folder)
2280        wl-summary-always-sticky-folder-list)))
2281
2282 (defun wl-summary-stick (&optional force)
2283   "Make current summary buffer sticky."
2284   (interactive "P")
2285   (if (wl-summary-sticky-p)
2286       (message "Current summary buffer is already sticky.")
2287     (when (or force (y-or-n-p "Stick current summary buffer? "))
2288       (wl-summary-toggle-disp-msg 'off)
2289       (wl-summary-switch-to-clone-buffer
2290        (wl-summary-sticky-buffer-name
2291         (wl-summary-buffer-folder-name)))
2292 ;;; ???hang up
2293 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2294 ;;;                   (wl-summary-buffer-folder-name))))
2295       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2296
2297 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2298   (let ((cur-buf (current-buffer))
2299         (msg (wl-summary-message-number))
2300         (buf (get-buffer-create buffer-name))
2301         (folder wl-summary-buffer-elmo-folder)
2302         (copy-variables
2303          (append '(wl-summary-buffer-view
2304                    wl-summary-buffer-refile-list
2305                    wl-summary-buffer-delete-list
2306                    wl-summary-buffer-copy-list
2307                    wl-summary-buffer-target-mark-list
2308                    wl-summary-buffer-elmo-folder
2309                    wl-summary-buffer-number-column
2310                    wl-summary-buffer-temp-mark-column
2311                    wl-summary-buffer-persistent-mark-column
2312                    wl-summary-buffer-message-modified
2313                    wl-summary-buffer-mark-modified
2314                    wl-summary-buffer-thread-modified
2315                    wl-summary-buffer-number-list
2316                    wl-summary-buffer-msgdb
2317                    wl-summary-buffer-folder-name
2318                    wl-summary-buffer-line-formatter)
2319                  (and (eq wl-summary-buffer-view 'thread)
2320                       '(wl-thread-entity-hashtb
2321                         wl-thread-entities
2322                         wl-thread-entity-list))
2323                  (and wl-use-scoring
2324                       '(wl-summary-scored
2325                         wl-summary-default-score
2326                         wl-summary-important-above
2327                         wl-summary-target-above
2328                         wl-summary-mark-below
2329                         wl-summary-expunge-below))
2330                  (and (featurep 'wl-score)
2331                       '(wl-current-score-file
2332                         wl-score-alist)))))
2333     (set-buffer buf)
2334     (wl-summary-mode)
2335     (wl-summary-buffer-set-folder folder)
2336     (let ((buffer-read-only nil))
2337       (insert-buffer cur-buf))
2338     (set-buffer-modified-p nil)
2339     (while copy-variables
2340       (set (car copy-variables)
2341            (save-excursion
2342              (set-buffer cur-buf)
2343              (symbol-value (car copy-variables))))
2344       (setq copy-variables (cdr copy-variables)))
2345     (switch-to-buffer buf)
2346     (kill-buffer cur-buf)
2347     (wl-summary-count-unread)
2348     (wl-summary-update-modeline)
2349     (if msg
2350         (if (eq wl-summary-buffer-view 'thread)
2351             (wl-thread-jump-to-msg msg)
2352           (wl-summary-jump-to-msg msg))
2353       (goto-char (point-max))
2354       (beginning-of-line))))
2355
2356 (defun wl-summary-get-buffer (folder)
2357   (or (and folder
2358            (get-buffer (wl-summary-sticky-buffer-name folder)))
2359       (get-buffer wl-summary-buffer-name)))
2360
2361 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2362   (if force-sticky
2363       (get-buffer-create
2364        (wl-summary-sticky-buffer-name name))
2365     (or (get-buffer (wl-summary-sticky-buffer-name name))
2366         (get-buffer-create wl-summary-buffer-name))))
2367
2368 (defun wl-summary-make-number-list ()
2369   (setq wl-summary-buffer-number-list
2370         (mapcar
2371          (lambda (x) (elmo-msgdb-overview-entity-get-number x))
2372          (elmo-msgdb-get-overview (wl-summary-buffer-msgdb)))))
2373
2374 (defun wl-summary-auto-select-msg-p (unread-msg)
2375   (and unread-msg
2376        (not (string=
2377              (elmo-msgdb-get-mark
2378               (wl-summary-buffer-msgdb)
2379               unread-msg)
2380              wl-summary-important-mark))))
2381
2382 (defsubst wl-summary-open-folder (folder)
2383   ;; Select folder
2384   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2385     (unwind-protect
2386         (elmo-folder-open folder 'load-msgdb)
2387       ;; For compatibility
2388       (setq wl-summary-buffer-msgdb (elmo-folder-msgdb folder))
2389       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2390                                            folder)))))
2391
2392 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2393                                               sticky interactive scoring
2394                                               force-exit)
2395   "Display target folder on summary."
2396   (interactive)
2397   (let* ((keep-cursor (memq this-command
2398                             wl-summary-keep-cursor-command))
2399          (name (or name (wl-summary-read-folder wl-default-folder)))
2400          (cur-fld wl-summary-buffer-elmo-folder)
2401          folder buf mes hilit reuse-buf
2402          retval entity)
2403     (if (string= name "")
2404         (setq name wl-default-folder))
2405     (setq folder (wl-folder-get-elmo-folder name))
2406     (when (and (not (string=
2407                      (and cur-fld (elmo-folder-name-internal cur-fld))
2408                      (elmo-folder-name-internal folder))) ; folder is moved.
2409                (eq major-mode 'wl-summary-mode)) ; called in summary.
2410       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2411       (run-hooks 'wl-summary-exit-pre-hook)
2412       (if (or force-exit (not (wl-summary-sticky-p)))
2413           (wl-summary-cleanup-temp-marks (wl-summary-sticky-p)))
2414       (wl-summary-save-view)
2415       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2416       (if (and (wl-summary-sticky-p) force-exit)
2417           (kill-buffer (current-buffer))))
2418     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2419                                             sticky))
2420     (setq reuse-buf
2421           (save-excursion
2422             (set-buffer buf)
2423             (string= (elmo-folder-name-internal folder)
2424                      (wl-summary-buffer-folder-name))))
2425     (unwind-protect
2426         (if reuse-buf
2427             (if interactive
2428                 (switch-to-buffer buf)
2429               (set-buffer buf))
2430           (if other-window
2431               (delete-other-windows))
2432           (set-buffer buf)
2433           (unless (eq major-mode 'wl-summary-mode)
2434             (wl-summary-mode))
2435           (wl-summary-buffer-set-folder folder)
2436           (setq wl-summary-buffer-disp-msg nil)
2437           (setq wl-summary-buffer-last-displayed-msg nil)
2438           (setq wl-summary-buffer-current-msg nil)
2439           (let ((case-fold-search nil)
2440                 (inhibit-read-only t)
2441                 (buffer-read-only nil))
2442             (erase-buffer)
2443             ;; Resume summary view
2444             (if wl-summary-cache-use
2445                 (let* ((dir (elmo-folder-msgdb-path folder))
2446                        (cache (expand-file-name wl-summary-cache-file dir))
2447                        (view (expand-file-name wl-summary-view-file dir)))
2448                   (when (file-exists-p cache)
2449                     (insert-file-contents-as-binary cache)
2450                     (elmo-set-buffer-multibyte
2451                      default-enable-multibyte-characters)
2452                     (decode-mime-charset-region
2453                      (point-min)(point-max)
2454                      wl-summary-buffer-mime-charset 'LF))
2455                   (when (file-exists-p view)
2456                     (setq wl-summary-buffer-view
2457                           (wl-summary-load-file-object view)))
2458                   (wl-thread-resume-entity folder)
2459                   (wl-summary-open-folder folder))
2460               (setq wl-summary-buffer-view
2461                     (wl-summary-load-file-object
2462                      (expand-file-name wl-summary-view-file
2463                                        (elmo-folder-msgdb-path folder))))
2464               (wl-summary-open-folder folder)
2465               (wl-summary-rescan))
2466             (wl-summary-count-unread)
2467             (wl-summary-update-modeline)))
2468       (unless (eq wl-summary-buffer-view 'thread)
2469         (wl-summary-make-number-list))
2470       (when (and wl-summary-cache-use
2471                  (or (and wl-summary-check-line-format
2472                           (wl-summary-line-format-changed-p))
2473                      (wl-summary-view-old-p)))
2474         (wl-summary-rescan))
2475       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2476       (unless (and reuse-buf keep-cursor)
2477         ;(setq hilit wl-summary-highlight)
2478         (unwind-protect
2479             (let ((wl-summary-highlight (if reuse-buf wl-summary-highlight))
2480                   (wl-use-scoring
2481                    (if (or scoring interactive) wl-use-scoring)))
2482               (if (and (not scan-type)
2483                        interactive
2484                        (not wl-ask-range))
2485                   (setq scan-type (wl-summary-get-sync-range folder)))
2486               (cond
2487                ((eq scan-type nil)
2488                 (wl-summary-sync 'unset-cursor))
2489                ((eq scan-type 'all)
2490                 (wl-summary-sync 'unset-cursor "all"))
2491                ((eq scan-type 'no-sync))
2492                ((or (eq scan-type 'force-update)
2493                     (eq scan-type 'update))
2494                 (setq mes (wl-summary-sync-force-update
2495                            'unset-cursor 'no-check)))))
2496           (if interactive
2497               (switch-to-buffer buf)
2498             (set-buffer buf))
2499           ;; stick always-sticky-folder
2500           (when (wl-summary-always-sticky-folder-p folder)
2501             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2502           (run-hooks 'wl-summary-prepared-pre-hook)
2503           (set-buffer-modified-p nil)
2504           (goto-char (point-min))
2505           (if (wl-summary-cursor-down t)
2506               (let ((unreadp (wl-summary-next-message
2507                               (wl-summary-message-number)
2508                               'down t)))
2509                 (cond ((and wl-auto-select-first
2510                             (wl-summary-auto-select-msg-p unreadp))
2511                        ;; wl-auto-select-first is non-nil and
2512                        ;; unreadp is non-nil but not important
2513                        (setq retval 'disp-msg))
2514                       ((and wl-auto-prefetch-first
2515                             (wl-summary-auto-select-msg-p unreadp))
2516                        ;; wl-auto-select-first is non-nil and
2517                        ;; unreadp is non-nil but not important
2518                        (setq retval 'prefetch-msg))
2519                       ((not (wl-summary-auto-select-msg-p unreadp))
2520                        ;; unreadp is nil or important
2521                        (setq retval 'more-next))))
2522             (goto-char (point-max))
2523             (if (elmo-folder-plugged-p folder)
2524                 (forward-line -1)
2525               (wl-summary-prev))
2526             (setq retval 'more-next))
2527           ;(setq wl-summary-highlight hilit)
2528           (if (and wl-summary-highlight
2529                    (not wl-summary-lazy-highlight)
2530                    (not reuse-buf))
2531               (if (and wl-summary-highlight-partial-threshold
2532                        (> (count-lines (point-min) (point-max))
2533                           wl-summary-highlight-partial-threshold))
2534                   (save-excursion
2535                     (forward-line (-
2536                                    0
2537                                    (or
2538                                     wl-summary-partial-highlight-above-lines
2539                                     wl-summary-highlight-partial-threshold)))
2540                     (wl-highlight-summary (point) (point-max)))
2541                 (wl-highlight-summary (point-min) (point-max))))
2542           (if (eq retval 'disp-msg)
2543               (wl-summary-redisplay))
2544           (if (eq retval 'prefetch-msg)
2545               (wl-message-buffer-prefetch
2546                folder
2547                (wl-summary-message-number)
2548                wl-message-buffer-prefetch-depth
2549                (current-buffer)
2550                wl-summary-buffer-mime-charset))
2551           (if mes (message "%s" mes))
2552           (if (and interactive wl-summary-recenter)
2553               (recenter (/ (- (window-height) 2) 2))))))
2554     ;; set current entity-id
2555     (if (and (not folder)
2556              (setq entity
2557                    (wl-folder-search-entity-by-name (elmo-folder-name-internal
2558                                                      folder)
2559                                                     wl-folder-entity
2560                                                     'folder)))
2561         ;; entity-id is unknown.
2562         (wl-folder-set-current-entity-id
2563          (wl-folder-get-entity-id entity)))
2564     (when (and wl-summary-lazy-highlight
2565                wl-on-xemacs)
2566       (sit-for 0))
2567     (unwind-protect
2568         (run-hooks 'wl-summary-prepared-hook)
2569       (set-buffer-modified-p nil))
2570     retval))
2571
2572 (defun wl-summary-goto-previous-message-beginning ()
2573   (end-of-line)
2574   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2575   (beginning-of-line))
2576
2577 (defun wl-summary-goto-top-of-current-thread ()
2578   (wl-summary-jump-to-msg
2579    (wl-thread-entity-get-number
2580     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2581                                       (wl-summary-message-number))))))
2582
2583 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2584   (interactive)
2585   (let ((depth (or depth
2586                    (wl-thread-get-depth-of-current-line))))
2587     (forward-line 1)
2588     (while (and (not (eobp))
2589                 (>= (wl-thread-get-depth-of-current-line)
2590                     depth))
2591       (forward-line 1))
2592     (beginning-of-line)))
2593
2594 (defun wl-summary-insert-line (line)
2595   "Insert LINE in the Summary."
2596   (if wl-use-highlight-mouse-line
2597       ;; remove 'mouse-face of current line.
2598       (put-text-property
2599        (save-excursion (beginning-of-line)(point))
2600        (save-excursion (end-of-line)(point))
2601        'mouse-face nil))
2602   (insert line "\n")
2603   (if wl-use-highlight-mouse-line
2604       ;; remove 'mouse-face of current line.
2605       (put-text-property
2606        (save-excursion (beginning-of-line)(point))
2607        (save-excursion (end-of-line)(point))
2608        'mouse-face nil))
2609   (ignore-errors
2610     (run-hooks 'wl-summary-line-inserted-hook)))
2611
2612 (defun wl-summary-insert-sequential (entity msgdb &rest args)
2613   (let ((inhibit-read-only t)
2614         buffer-read-only)
2615     (goto-char (point-max))
2616     (wl-summary-insert-line
2617      (wl-summary-create-line entity nil nil
2618                              (elmo-msgdb-get-mark
2619                               msgdb
2620                               (elmo-msgdb-overview-entity-get-number
2621                                entity))))))
2622
2623 (defun wl-summary-default-subject-filter (subject)
2624   (let ((case-fold-search t))
2625     (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2626     (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2627     (elmo-replace-in-string subject "^\\[.*\\]" "")))
2628
2629 (defun wl-summary-subject-equal (subject1 subject2)
2630   (string= (funcall wl-summary-subject-filter-function subject1)
2631            (funcall wl-summary-subject-filter-function subject2)))
2632
2633 (defmacro wl-summary-put-alike (alike)
2634   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2635                         (, alike)
2636                         wl-summary-alike-hashtb)))
2637
2638 (defmacro wl-summary-get-alike ()
2639   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2640                         wl-summary-alike-hashtb)))
2641
2642 (defun wl-summary-insert-headers (overview func mime-decode)
2643   (message "Creating subject cache...")
2644   (let (ov this last alike)
2645     (buffer-disable-undo (current-buffer))
2646     (make-local-variable 'wl-summary-alike-hashtb)
2647     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length overview) 2)))
2648     (when mime-decode
2649       (elmo-set-buffer-multibyte default-enable-multibyte-characters))
2650     (while (setq ov (pop overview))
2651       (setq this (funcall func ov))
2652       (and this (setq this (std11-unfold-string this)))
2653       (if (equal last this)
2654           (wl-append alike (list ov))
2655         (when last
2656           (wl-summary-put-alike alike)
2657           (insert last ?\n))
2658         (setq alike (list ov)
2659               last this)))
2660     (when last
2661       (wl-summary-put-alike alike)
2662       (insert last ?\n))
2663     (when mime-decode
2664       (decode-mime-charset-region (point-min) (point-max)
2665                                   elmo-mime-charset)
2666       (when (eq mime-decode 'mime)
2667         (eword-decode-region (point-min) (point-max))))
2668     (message "Creating subject cache...done")
2669     (run-hooks 'wl-summary-insert-headers-hook)))
2670
2671 (defun wl-summary-search-by-subject (entity overview)
2672   (let ((summary-buf (current-buffer))
2673         (buf (get-buffer-create wl-summary-search-buf-name))
2674         (folder-name (wl-summary-buffer-folder-name))
2675         match founds found-entity)
2676     (with-current-buffer buf
2677       (let ((case-fold-search t))
2678         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2679                   (zerop (buffer-size)))
2680           (setq wl-summary-search-buf-folder-name folder-name)
2681           (wl-summary-insert-headers
2682            overview
2683            (function
2684             (lambda (x)
2685               (funcall wl-summary-subject-filter-function
2686                (elmo-msgdb-overview-entity-get-subject-no-decode x))))
2687            t))
2688         (setq match (funcall wl-summary-subject-filter-function
2689                              (elmo-msgdb-overview-entity-get-subject entity)))
2690         (if (string= match "")
2691             (setq match "\n"))
2692         (goto-char (point-min))
2693         (while (and (not founds)
2694                     (not (= (point) (point-max)))
2695                     (search-forward match nil t))
2696           ;; check exactly match
2697           (when (and (eolp)
2698                      (= (point-at-bol)
2699                         (match-beginning 0)))
2700             (setq found-entity (wl-summary-get-alike))
2701             (if (and found-entity
2702                      ;; Is founded entity myself or children?
2703                      (not (string=
2704                            (elmo-msgdb-overview-entity-get-id entity)
2705                            (elmo-msgdb-overview-entity-get-id
2706                             (car found-entity))))
2707                      (with-current-buffer summary-buf
2708                        (not (wl-thread-descendant-p
2709                              (elmo-msgdb-overview-entity-get-number entity)
2710                              (elmo-msgdb-overview-entity-get-number
2711                               (car found-entity))))))
2712                 ;; return matching entity
2713                 (setq founds found-entity))))
2714         (if founds
2715             (car founds))))))
2716
2717 (defun wl-summary-insert-thread-entity (entity msgdb update
2718                                                &optional force-insert)
2719   (let* ((overview (elmo-msgdb-get-overview msgdb))
2720          this-id
2721          parent-entity
2722          parent-number
2723          (case-fold-search t)
2724          cur number overview2 cur-entity linked retval delayed-entity
2725          update-list entity-stack)
2726     (while entity
2727       (setq this-id (elmo-msgdb-overview-entity-get-id entity)
2728             parent-entity
2729             (elmo-msgdb-get-parent-entity entity msgdb)
2730             parent-number (elmo-msgdb-overview-entity-get-number
2731                            parent-entity))
2732       (setq number (elmo-msgdb-overview-entity-get-number entity))
2733       ;; If thread loop detected, set parent as nil.
2734       (setq cur entity)
2735       (while cur
2736         (if (eq number (elmo-msgdb-overview-entity-get-number
2737                         (setq cur
2738                               (elmo-msgdb-get-parent-entity cur msgdb))))
2739             (setq parent-number nil
2740                   cur nil)))
2741       (if (and parent-number
2742                (not (wl-thread-get-entity parent-number))
2743                (not force-insert))
2744           ;; parent exists in overview, but not in wl-thread-entities
2745           (progn
2746             (wl-append wl-summary-delayed-update
2747                        (list (cons parent-number entity)))
2748             (setq entity nil)) ;; exit loop
2749         ;; Search parent by subject.
2750         (when (and (null parent-number)
2751                    wl-summary-search-parent-by-subject-regexp
2752                    (string-match
2753                     wl-summary-search-parent-by-subject-regexp
2754                     (elmo-msgdb-overview-entity-get-subject entity)))
2755           (let ((found (wl-summary-search-by-subject entity overview)))
2756             (when (and found
2757                        (not (member found wl-summary-delayed-update)))
2758               (setq parent-entity found)
2759               (setq parent-number
2760                     (elmo-msgdb-overview-entity-get-number parent-entity))
2761               (setq linked t))))
2762         ;; If subject is change, divide thread.
2763         (if (and parent-number
2764                  wl-summary-divide-thread-when-subject-changed
2765                  (not (wl-summary-subject-equal
2766                        (or (elmo-msgdb-overview-entity-get-subject
2767                             entity) "")
2768                        (or (elmo-msgdb-overview-entity-get-subject
2769                             parent-entity) ""))))
2770             (setq parent-number nil))
2771         (setq retval
2772               (wl-thread-insert-message entity
2773                                         number parent-number update linked))
2774         (and retval
2775              (wl-append update-list (list retval)))
2776         (setq entity nil) ; exit loop
2777         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2778           (setq wl-summary-delayed-update
2779                 (delq delayed-entity wl-summary-delayed-update))
2780           ;; update delayed message
2781           (wl-append entity-stack (list (cdr delayed-entity)))))
2782       (if (and (not entity)
2783                entity-stack)
2784           (setq entity (pop entity-stack))))
2785     update-list))
2786
2787 (defun wl-summary-update-thread (entity
2788                                  thr-entity
2789                                  parent-entity)
2790   (let* ((this-id (elmo-msgdb-overview-entity-get-id entity))
2791          (overview-entity entity)
2792          (parent-id (elmo-msgdb-overview-entity-get-id parent-entity))
2793          (number (elmo-msgdb-overview-entity-get-number entity))
2794          (parent-number (elmo-msgdb-overview-entity-get-number parent-entity)))
2795     (cond
2796      ((or (not parent-id)
2797           (string= this-id parent-id))
2798       (goto-char (point-max))
2799       (beginning-of-line))
2800      ;; parent already exists in buffer.
2801      ((wl-summary-jump-to-msg parent-number)
2802       (wl-thread-goto-bottom-of-sub-thread)))
2803     (let ((inhibit-read-only t)
2804           (buffer-read-only nil))
2805       (wl-summary-insert-line
2806        (wl-summary-create-line
2807         entity
2808         parent-entity
2809         nil
2810         (elmo-msgdb-get-mark (wl-summary-buffer-msgdb) number)
2811         (wl-thread-maybe-get-children-num number)
2812         (wl-thread-make-indent-string thr-entity)
2813         (wl-thread-entity-get-linked thr-entity))))))
2814
2815 (defun wl-summary-mark-as-unread (&optional number
2816                                             no-server-update
2817                                             no-modeline-update)
2818   (interactive)
2819   (save-excursion
2820     (let* (eol
2821           (inhibit-read-only t)
2822           (buffer-read-only nil)
2823           (folder wl-summary-buffer-elmo-folder)
2824           (msgdb (wl-summary-buffer-msgdb))
2825 ;;;       (number-alist (elmo-msgdb-get-number-alist msgdb))
2826           new-mark visible mark cur-mark)
2827       (if number
2828           (progn
2829             (setq visible (wl-summary-jump-to-msg number))
2830             (unless (setq mark (elmo-msgdb-get-mark msgdb number))
2831               (setq mark " ")))
2832         ;; interactive
2833         (setq visible t))
2834       (when visible
2835         (if (null (wl-summary-message-number))
2836             (message "No message.")
2837           (end-of-line)
2838           (setq eol (point))
2839           (wl-summary-goto-previous-message-beginning)))
2840       (if (or (and (not visible)
2841                    ;; already exists in msgdb.
2842                    (elmo-msgdb-overview-get-entity number msgdb))
2843               (progn
2844                 ;; visible.
2845                 (setq cur-mark (wl-summary-persistent-mark))
2846                 (or (string= cur-mark " ")
2847                     (string= cur-mark wl-summary-read-uncached-mark))))
2848           (progn
2849             (setq number (or number (wl-summary-message-number)))
2850             (setq mark (or mark cur-mark))
2851             (save-match-data
2852               (setq new-mark (if (string= mark
2853                                           wl-summary-read-uncached-mark)
2854                                  wl-summary-unread-uncached-mark
2855                                (if (elmo-message-use-cache-p folder number)
2856                                    wl-summary-unread-mark
2857                                  wl-summary-unread-uncached-mark))))
2858             ;; server side mark
2859             (unless no-server-update
2860               (save-match-data
2861                 (unless (elmo-folder-unmark-read folder (list number))
2862                   (error "Setting mark failed"))))
2863             (when visible
2864               (delete-backward-char 1)
2865               (insert new-mark))
2866             (elmo-msgdb-set-mark msgdb number new-mark)
2867             (unless no-modeline-update
2868               (setq wl-summary-buffer-unread-count
2869                     (+ 1 wl-summary-buffer-unread-count))
2870               (wl-summary-update-modeline)
2871               (wl-folder-update-unread
2872                (wl-summary-buffer-folder-name)
2873                (+ wl-summary-buffer-unread-count
2874                   wl-summary-buffer-new-count)))
2875             (wl-summary-set-mark-modified)
2876             (if (and visible wl-summary-highlight)
2877                 (wl-highlight-summary-current-line))))))
2878   (set-buffer-modified-p nil))
2879
2880 (defun wl-summary-delete (&optional number)
2881   "Mark a delete mark 'D'.
2882 If optional argument NUMBER is specified, mark message specified by NUMBER."
2883   (interactive)
2884   (let* ((buffer-num (wl-summary-message-number))
2885          (msg-num (or number buffer-num))
2886          mark)
2887     (catch 'done
2888       (when (null msg-num)
2889         (if (interactive-p)
2890             (message "No message."))
2891         (throw 'done nil))
2892       (when (setq mark (wl-summary-get-mark msg-num))
2893         (when (wl-summary-reserve-temp-mark-p mark)
2894           (if (interactive-p)
2895               (error "Already marked as `%s'" mark))
2896           (throw 'done nil))
2897         (wl-summary-unmark msg-num))
2898       (if (or (interactive-p)
2899               (eq number buffer-num))
2900           (wl-summary-mark-line "D"))
2901       (setq wl-summary-buffer-delete-list
2902             (cons msg-num wl-summary-buffer-delete-list))
2903       (if (interactive-p)
2904           (if (eq wl-summary-move-direction-downward nil)
2905               (wl-summary-prev)
2906             (wl-summary-next)))
2907       msg-num)))
2908
2909 (defun wl-summary-remove-destination ()
2910   (save-excursion
2911     (let ((inhibit-read-only t)
2912           (buffer-read-only nil)
2913           (buf (current-buffer))
2914           sol eol rs re)
2915       (beginning-of-line)
2916       (setq sol (point))
2917       (search-forward "\r")
2918       (forward-char -1)
2919       (setq eol (point))
2920       (setq rs (next-single-property-change sol 'wl-summary-destination
2921                                             buf eol))
2922       (setq re (next-single-property-change rs 'wl-summary-destination
2923                                             buf eol))
2924       (put-text-property rs re 'wl-summary-destination nil)
2925       (put-text-property rs re 'invisible nil)
2926       (goto-char re)
2927       (delete-char (- eol re)))))
2928
2929 (defun wl-summary-check-mark (msg mark)
2930   (let ((check-func (cond ((string= mark "o")
2931                            'wl-summary-msg-marked-as-refiled)
2932                           ((string= mark "O")
2933                            'wl-summary-msg-marked-as-copied)
2934                           ((string= mark "D")
2935                            'wl-summary-msg-marked-as-deleted)
2936                           ((string= mark "*")
2937                            'wl-summary-msg-marked-as-target))))
2938     (if check-func
2939         (funcall check-func msg))))
2940
2941 (defun wl-summary-mark-collect (mark &optional begin end)
2942   (save-excursion
2943     (save-restriction
2944       (let (msglist)
2945         (narrow-to-region (or begin (point-min))
2946                           (or end (point-max)))
2947         (goto-char (point-min))
2948         ;; for thread...
2949         (if (eq wl-summary-buffer-view 'thread)
2950             (progn
2951               (while (not (eobp))
2952                 (let* ((number (wl-summary-message-number))
2953                        (entity (wl-thread-get-entity number))
2954                        result)
2955                   ;; opened...only myself is checked.
2956                   (if (wl-summary-check-mark number mark)
2957                       (wl-append msglist (list number)))
2958                   (unless (wl-thread-entity-get-opened entity)
2959                     ;; closed...children is also checked.
2960                     (if (setq result (wl-thread-get-children-msgs-with-mark
2961                                       number
2962                                       mark))
2963                         (wl-append msglist result)))
2964                   (forward-line 1)))
2965               (elmo-uniq-list msglist))
2966           (while (not (eobp))
2967             (when (string= (wl-summary-temp-mark) mark)
2968               (setq msglist (cons (wl-summary-message-number) msglist)))
2969             (forward-line 1)))))))
2970
2971 (defun wl-summary-exec ()
2972   (interactive)
2973   (wl-summary-exec-subr (mapcar 'car wl-summary-buffer-refile-list)
2974                         (reverse wl-summary-buffer-delete-list)
2975                         (mapcar 'car wl-summary-buffer-copy-list)))
2976
2977 (defun wl-summary-exec-region (beg end)
2978   (interactive "r")
2979   (message "Collecting marks ...")
2980   (save-excursion
2981     (goto-char beg)
2982     (beginning-of-line)
2983     (setq beg (point))
2984     (goto-char (1- end))
2985     (forward-line)
2986     (setq end (point))
2987     (wl-summary-exec-subr (wl-summary-mark-collect "o" beg end)
2988                           (wl-summary-mark-collect "D" beg end)
2989                           (wl-summary-mark-collect "O" beg end))))
2990
2991 (defun wl-summary-exec-subr (moves dels copies)
2992   (if (not (or moves dels copies))
2993       (message "No marks")
2994     (save-excursion
2995       (let ((del-fld (wl-summary-get-delete-folder
2996                       (wl-summary-buffer-folder-name)))
2997             (start (point))
2998             (unread-marks (list wl-summary-unread-cached-mark
2999                                 wl-summary-unread-uncached-mark
3000                                 wl-summary-new-mark))
3001             (refiles (append moves dels))
3002             (refile-failures 0)
3003             (copy-failures 0)
3004             (copy-len (length copies))
3005             refile-len
3006             dst-msgs                    ; loop counter
3007             result)
3008         (message "Executing ...")
3009         (while dels
3010           (when (not (assq (car dels) wl-summary-buffer-refile-list))
3011             (wl-append wl-summary-buffer-refile-list
3012                        (list (cons (car dels) del-fld)))
3013             (setq wl-summary-buffer-delete-list
3014                   (delete (car dels) wl-summary-buffer-delete-list)))
3015           (setq dels (cdr dels)))
3016         ;; begin refile...
3017         (setq refile-len (length refiles))
3018         (setq dst-msgs
3019               (wl-inverse-alist refiles wl-summary-buffer-refile-list))
3020         (goto-char start)               ; avoid moving cursor to
3021                                         ; the bottom line.
3022         (when (> refile-len elmo-display-progress-threshold)
3023           (elmo-progress-set 'elmo-folder-move-messages
3024                              refile-len "Moving messages..."))
3025         (while dst-msgs
3026           (setq result nil)
3027           (condition-case nil
3028               (setq result (elmo-folder-move-messages
3029                             wl-summary-buffer-elmo-folder
3030                             (cdr (car dst-msgs))
3031                             (if (eq 'null (car (car dst-msgs)))
3032                                 'null
3033                               (wl-folder-get-elmo-folder
3034                                (car (car dst-msgs))))
3035                             (wl-summary-buffer-msgdb)
3036                             (not (null (cdr dst-msgs)))
3037                             nil ; no-delete
3038                             nil ; same-number
3039                             unread-marks
3040                             t))
3041             (error nil))
3042           (if result                    ; succeeded.
3043               (progn
3044                 ;; update buffer.
3045                 (wl-summary-delete-messages-on-buffer (cdr (car dst-msgs)))
3046                 ;; update refile-alist.
3047                 (setq wl-summary-buffer-refile-list
3048                       (wl-delete-associations (cdr (car dst-msgs))
3049                                               wl-summary-buffer-refile-list)))
3050             (setq refile-failures
3051                   (+ refile-failures (length (cdr (car dst-msgs))))))
3052           (setq dst-msgs (cdr dst-msgs)))
3053         (elmo-progress-clear 'elmo-folder-move-messages)
3054         ;; end refile
3055         ;; begin cOpy...
3056         (setq dst-msgs (wl-inverse-alist copies wl-summary-buffer-copy-list))
3057         (when (> copy-len elmo-display-progress-threshold)
3058           (elmo-progress-set 'elmo-folder-move-messages
3059                              copy-len "Copying messages..."))
3060         (while dst-msgs
3061           (setq result nil)
3062           (condition-case nil
3063               (setq result (elmo-folder-move-messages
3064                             wl-summary-buffer-elmo-folder
3065                             (cdr (car dst-msgs))
3066                             (wl-folder-get-elmo-folder
3067                              (car (car dst-msgs)))
3068                             (wl-summary-buffer-msgdb)
3069                             (not (null (cdr dst-msgs)))
3070                             t ; t is no-delete (copy)
3071                             nil ; same number
3072                             unread-marks
3073                             t))
3074             (error nil))
3075           (if result                    ; succeeded.
3076               (progn
3077                 ;; update buffer.
3078                 (wl-summary-delete-copy-marks-on-buffer (cdr (car dst-msgs)))
3079                 ;; update copy-alist
3080                 (setq wl-summary-buffer-copy-list
3081                       (wl-delete-associations (cdr (car dst-msgs))
3082                                               wl-summary-buffer-copy-list)))
3083             (setq copy-failures
3084                   (+ copy-failures (length (cdr (car dst-msgs))))))
3085           (setq dst-msgs (cdr dst-msgs)))
3086         ;; Hide progress bar.
3087         (elmo-progress-clear 'elmo-folder-move-messages)
3088         ;; end cOpy
3089         (wl-summary-folder-info-update)
3090         (wl-summary-set-message-modified)
3091         (wl-summary-set-mark-modified)
3092         (run-hooks 'wl-summary-exec-hook)
3093         (unless (and wl-message-buffer
3094                      (eq (wl-summary-message-number)
3095                          (with-current-buffer wl-message-buffer
3096                            wl-message-buffer-cur-number)))
3097           (wl-summary-toggle-disp-msg 'off))
3098         (set-buffer-modified-p nil)
3099         (message (concat "Executing ... done"
3100                          (if (> refile-failures 0)
3101                              (format " (%d refiling failed)" refile-failures)
3102                            "")
3103                          (if (> copy-failures 0)
3104                              (format " (%d copying failed)" copy-failures)
3105                            "")
3106                          "."))))))
3107
3108 (defun wl-summary-read-folder (default &optional purpose ignore-error
3109                                 no-create init)
3110   (let ((fld (completing-read
3111               (format "Folder name %s(%s): " (or purpose "")
3112                       default)
3113               (or wl-folder-completion-function
3114                   (if (memq 'read-folder wl-use-folder-petname)
3115                       (wl-folder-get-entity-with-petname)
3116                     (let (alist)
3117                       (mapatoms
3118                        (lambda (atom)
3119                          (setq alist
3120                                (cons (list (elmo-string
3121                                             (symbol-name atom))) alist)))
3122                        wl-folder-entity-hashtb)
3123                       alist)))
3124               nil nil (or init wl-default-spec)
3125               'wl-read-folder-hist)))
3126     (if (or (string= fld wl-default-spec)
3127             (string= fld ""))
3128         (setq fld default))
3129     (setq fld (elmo-string (wl-folder-get-realname fld)))
3130     (if (string-match "\n" fld)
3131         (error "Not supported folder name: %s" fld))
3132     (unless no-create
3133       (if ignore-error
3134           (condition-case nil
3135               (wl-folder-confirm-existence
3136                (wl-folder-get-elmo-folder
3137                 fld))
3138             (error))
3139         (wl-folder-confirm-existence (wl-folder-get-elmo-folder
3140                                       fld))))
3141     fld))
3142
3143 (defun wl-summary-print-destination (msg-num folder)
3144   "Print refile destination on line."
3145   (wl-summary-remove-destination)
3146   (let ((inhibit-read-only t)
3147         (folder (copy-sequence folder))
3148         (buffer-read-only nil)
3149         len rs re c)
3150     (setq len (string-width folder))
3151     (if (< len 1) ()
3152       ;;(end-of-line)
3153       (beginning-of-line)
3154       (search-forward "\r")
3155       (forward-char -1)
3156       (setq re (point))
3157       (setq c 0)
3158       (while (< c len)
3159         (forward-char -1)
3160         (setq c (+ c (char-width (following-char)))))
3161       (and (> c len) (setq folder (concat " " folder)))
3162       (setq rs (point))
3163       (put-text-property rs re 'invisible t)
3164       (put-text-property rs re 'wl-summary-destination t)
3165       (goto-char re)
3166       (wl-highlight-refile-destination-string folder)
3167       (insert folder)
3168       (set-buffer-modified-p nil))))
3169
3170 (defsubst wl-summary-get-mark (number)
3171   "Return a temporal mark of message specified by NUMBER."
3172   (or (and (memq number wl-summary-buffer-delete-list) "D")
3173       (and (assq number wl-summary-buffer-copy-list) "O")
3174       (and (assq number wl-summary-buffer-refile-list) "o")
3175       (and (memq number wl-summary-buffer-target-mark-list) "*")))
3176
3177 (defsubst wl-summary-reserve-temp-mark-p (mark)
3178   "Return t if temporal MARK should be reserved."
3179   (member mark wl-summary-reserve-mark-list))
3180
3181 (defun wl-summary-refile (&optional dst number)
3182   "Put refile mark on current line message.
3183 If optional argument DST is specified, put mark without asking
3184 destination folder.
3185 If optional argument NUMBER is specified, mark message specified by NUMBER.
3186
3187 If folder is read-only, message should be copied.
3188 See `wl-refile-policy-alist' for more details."
3189   (interactive)
3190   (let ((policy (wl-get-assoc-list-value wl-refile-policy-alist
3191                                          (wl-summary-buffer-folder-name))))
3192     (cond ((eq policy 'copy)
3193            (if (interactive-p)
3194                (call-interactively 'wl-summary-copy)
3195              (wl-summary-copy dst number)))
3196           (t
3197            (wl-summary-refile-subr 'refile (interactive-p) dst number)))))
3198
3199 (defun wl-summary-copy (&optional dst number)
3200   "Put copy mark on current line message.
3201 If optional argument DST is specified, put mark without asking
3202 destination folder.
3203 If optional argument NUMBER is specified, mark message specified by NUMBER."
3204   (interactive)
3205   (wl-summary-refile-subr 'copy (interactive-p) dst number))
3206
3207 (defun wl-summary-refile-subr (copy-or-refile interactive &optional dst number)
3208   (let* ((buffer-num (wl-summary-message-number))
3209          (msg-num (or number buffer-num))
3210          (msgid (and msg-num
3211                      (elmo-message-field wl-summary-buffer-elmo-folder
3212                                          msg-num 'message-id)))
3213          (entity (and msg-num
3214                       (elmo-msgdb-overview-get-entity
3215                        msg-num (wl-summary-buffer-msgdb))))
3216          (variable
3217           (intern (format "wl-summary-buffer-%s-list" copy-or-refile)))
3218          folder mark already tmp-folder)
3219     (catch 'done
3220       (when (null entity)
3221         ;; msgdb is empty?
3222         (if interactive
3223             (message "Cannot refile."))
3224         (throw 'done nil))
3225       (when (null msg-num)
3226         (if interactive
3227             (message "No message."))
3228         (throw 'done nil))
3229       (when (setq mark (wl-summary-get-mark msg-num))
3230         (when (wl-summary-reserve-temp-mark-p mark)
3231           (if interactive
3232               (error "Already marked as `%s'" mark))
3233           (throw 'done nil)))
3234       (setq folder (and msg-num
3235                         (or dst (wl-summary-read-folder
3236                                  (or (wl-refile-guess entity) wl-trash-folder)
3237                                  (format "for %s" copy-or-refile)))))
3238       ;; Cache folder hack by okada@opaopa.org
3239       (if (and (eq (elmo-folder-type-internal
3240                     (wl-folder-get-elmo-folder
3241                      (wl-folder-get-realname folder))) 'cache)
3242                (not (string= folder
3243                              (setq tmp-folder
3244                                    (concat "'cache/"
3245                                            (elmo-cache-get-path-subr
3246                                             (elmo-msgid-to-cache msgid)))))))
3247           (progn
3248             (setq folder tmp-folder)
3249             (message "Force refile to %s." folder)))
3250       (if (string= folder (wl-summary-buffer-folder-name))
3251           (error "Same folder"))
3252       (if (or (not (elmo-folder-writable-p (wl-folder-get-elmo-folder folder)))
3253               (string= folder wl-queue-folder)
3254               (string= folder wl-draft-folder))
3255           (error "Don't %s messages to %s" copy-or-refile folder))
3256       ;; learn for refile.
3257       (if (eq copy-or-refile 'refile)
3258           (wl-refile-learn entity folder))
3259       (wl-summary-unmark msg-num)
3260       (set variable (append
3261                      (symbol-value variable)
3262                      (list (cons msg-num folder))))
3263       (when (or interactive
3264                 (eq number buffer-num))
3265         (wl-summary-mark-line (if (eq copy-or-refile 'refile)
3266                                   "o" "O"))
3267         ;; print refile destination
3268         (wl-summary-print-destination msg-num folder))
3269       (if interactive
3270           (if (eq wl-summary-move-direction-downward nil)
3271               (wl-summary-prev)
3272             (wl-summary-next)))
3273       (run-hooks (intern (format "wl-summary-%s-hook" copy-or-refile)))
3274       (setq wl-summary-buffer-prev-refile-destination folder)
3275       msg-num)))
3276
3277 (defun wl-summary-refile-prev-destination ()
3278   "Refile message to previously refiled destination."
3279   (interactive)
3280   (wl-summary-refile wl-summary-buffer-prev-refile-destination
3281                      (wl-summary-message-number))
3282   (if (eq wl-summary-move-direction-downward nil)
3283       (wl-summary-prev)
3284     (wl-summary-next)))
3285
3286 (defun wl-summary-copy-prev-destination ()
3287   "Refile message to previously refiled destination."
3288   (interactive)
3289   (wl-summary-copy wl-summary-buffer-prev-copy-destination
3290                    (wl-summary-message-number))
3291   (if (eq wl-summary-move-direction-downward nil)
3292       (wl-summary-prev)
3293     (wl-summary-next)))
3294
3295 (defsubst wl-summary-no-auto-refile-message-p (msg)
3296   (member (elmo-msgdb-get-mark (wl-summary-buffer-msgdb) msg)
3297           wl-summary-auto-refile-skip-marks))
3298
3299 (defun wl-summary-auto-refile (&optional open-all)
3300   "Set refile mark automatically according to 'wl-refile-guess-by-rule'."
3301   (interactive "P")
3302   (message "Marking...")
3303   (save-excursion
3304     (if (and (eq wl-summary-buffer-view 'thread)
3305              open-all)
3306         (wl-thread-open-all))
3307     (let* ((spec (wl-summary-buffer-folder-name))
3308            checked-dsts
3309            (count 0)
3310            number dst thr-entity)
3311       (goto-line 1)
3312       (while (not (eobp))
3313         (setq number (wl-summary-message-number))
3314         (dolist (number (cons number
3315                               (and (eq wl-summary-buffer-view 'thread)
3316                                    ;; process invisible children.
3317                                    (not (wl-thread-entity-get-opened
3318                                          (setq thr-entity
3319                                                (wl-thread-get-entity number))))
3320                                    (wl-thread-entity-get-descendant
3321                                     thr-entity))))
3322           (when (and (not (wl-summary-no-auto-refile-message-p
3323                            number))
3324                      (setq dst
3325                            (wl-folder-get-realname
3326                             (wl-refile-guess-by-rule
3327                              (elmo-msgdb-overview-get-entity
3328                               number (wl-summary-buffer-msgdb)))))
3329                      (not (equal dst spec))
3330                      (let ((pair (assoc dst checked-dsts))
3331                            ret)
3332                        (if pair
3333                            (cdr pair)
3334                          (setq ret
3335                                (condition-case nil
3336                                    (progn
3337                                      (wl-folder-confirm-existence
3338                                       (wl-folder-get-elmo-folder dst))
3339                                      t)
3340                                  (error)))
3341                          (setq checked-dsts (cons (cons dst ret) checked-dsts))
3342                          ret)))
3343             (if (wl-summary-refile dst number)
3344                 (incf count))
3345             (message "Marking...%d message(s)." count)))
3346         (forward-line))
3347       (if (eq count 0)
3348           (message "No message was marked.")
3349         (message "Marked %d message(s)." count)))))
3350
3351 (defun wl-summary-unmark (&optional number)
3352   "Unmark marks (temporary, refile, copy, delete)of current line.
3353 If optional argument NUMBER is specified, unmark message specified by NUMBER."
3354   (interactive)
3355   (save-excursion
3356     (beginning-of-line)
3357     (let ((inhibit-read-only t)
3358           (buffer-read-only nil)
3359           visible
3360           msg-num
3361           cur-mark
3362           score-mark)
3363       (if number
3364           (setq visible (wl-summary-jump-to-msg number))
3365         (setq visible t))
3366       ;; Delete mark on buffer.
3367       (when visible
3368         (setq cur-mark (wl-summary-temp-mark))
3369         (if (string= cur-mark " ")
3370             ()
3371           (delete-backward-char 1)
3372           (or number
3373               (setq number (wl-summary-message-number)))
3374           (if (setq score-mark (wl-summary-get-score-mark number))
3375               (insert score-mark)
3376             (insert " ")))
3377         (if (or (string= cur-mark "o")
3378                 (string= cur-mark "O"))
3379             (wl-summary-remove-destination))
3380         (if wl-summary-highlight
3381             (wl-highlight-summary-current-line nil nil score-mark))
3382         (set-buffer-modified-p nil))
3383       ;; Remove from temporal mark structure.
3384       (and number
3385            (wl-summary-delete-mark number)))))
3386
3387 (defun wl-summary-msg-marked-as-target (msg)
3388   (if (memq msg wl-summary-buffer-target-mark-list)
3389       t))
3390
3391 (defun wl-summary-msg-marked-as-copied (msg)
3392   (assq msg wl-summary-buffer-copy-list))
3393
3394 (defun wl-summary-msg-marked-as-deleted (msg)
3395   (if (memq msg wl-summary-buffer-delete-list)
3396       t))
3397
3398 (defun wl-summary-msg-marked-as-refiled (msg)
3399   (assq msg wl-summary-buffer-refile-list))
3400
3401 (defun wl-summary-target-mark (&optional number)
3402   "Put target mark '*' on current message.
3403 If optional argument NUMBER is specified, mark message specified by NUMBER."
3404   (interactive)
3405   (let* ((buffer-num (wl-summary-message-number))
3406          (msg-num (or number buffer-num))
3407          mark)
3408     (catch 'done
3409       (when (null msg-num)
3410         (if (interactive-p)
3411             (message "No message."))
3412         (throw 'done nil))
3413       (when (setq mark (wl-summary-get-mark msg-num))
3414         (when (wl-summary-reserve-temp-mark-p mark)
3415           (if (interactive-p)
3416               (error "Already marked as `%s'" mark))
3417           (throw 'done nil))
3418         (wl-summary-unmark msg-num))
3419       (if (or (interactive-p)
3420               (eq number buffer-num))
3421           (wl-summary-mark-line "*"))
3422       (setq wl-summary-buffer-target-mark-list
3423             (cons msg-num wl-summary-buffer-target-mark-list))
3424       (if (interactive-p)
3425           (if (eq wl-summary-move-direction-downward nil)
3426               (wl-summary-prev)
3427             (wl-summary-next)))
3428       msg-num)))
3429
3430
3431 (defun wl-summary-refile-region (beg end)
3432   "Put refile mark on messages in the region specified by BEG and END."
3433   (interactive "r")
3434   (wl-summary-refile-region-subr "refile" beg end))
3435
3436 (defun wl-summary-copy-region (beg end)
3437   "Put copy mark on messages in the region specified by BEG and END."
3438   (interactive "r")
3439   (wl-summary-refile-region-subr "copy" beg end))
3440
3441 (defun wl-summary-refile-region-subr (copy-or-refile beg end)
3442   (save-excursion
3443     (save-restriction
3444       (goto-char beg)
3445       ;; guess by first msg
3446       (let* ((msgid (cdr (assq (wl-summary-message-number)
3447                                (elmo-msgdb-get-number-alist
3448                                 (wl-summary-buffer-msgdb)))))
3449              (function (intern (format "wl-summary-%s" copy-or-refile)))
3450              (entity (assoc msgid (elmo-msgdb-get-overview
3451                                    (wl-summary-buffer-msgdb))))
3452              folder)
3453         (if entity
3454             (setq folder (wl-summary-read-folder (wl-refile-guess entity)
3455                                                  (format "for %s"
3456                                                          copy-or-refile))))
3457         (narrow-to-region beg end)
3458         (if (eq wl-summary-buffer-view 'thread)
3459             (progn
3460               (while (not (eobp))
3461                 (let* ((number (wl-summary-message-number))
3462                        (entity (wl-thread-get-entity number))
3463                        children)
3464                   (if (wl-thread-entity-get-opened entity)
3465                       ;; opened...refile line.
3466                       (funcall function folder number)
3467                     ;; closed
3468                     (setq children (wl-thread-get-children-msgs number))
3469                     (while children
3470                       (funcall function folder (pop children))))
3471                   (forward-line 1))))
3472           (while (not (eobp))
3473             (funcall function folder (wl-summary-message-number))
3474             (forward-line 1)))))))
3475
3476 (defun wl-summary-unmark-region (beg end)
3477   (interactive "r")
3478   (save-excursion
3479     (save-restriction
3480       (narrow-to-region beg end)
3481       (goto-char (point-min))
3482       (if (eq wl-summary-buffer-view 'thread)
3483           (progn
3484             (while (not (eobp))
3485               (let* ((number (wl-summary-message-number))
3486                      (entity (wl-thread-get-entity number)))
3487                 (if (wl-thread-entity-get-opened entity)
3488                     ;; opened...unmark line.
3489                     (wl-summary-unmark)
3490                   ;; closed
3491                   (wl-summary-delete-marks-on-buffer
3492                    (wl-thread-get-children-msgs number))))
3493               (forward-line 1)))
3494         (while (not (eobp))
3495           (wl-summary-unmark)
3496           (forward-line 1))))))
3497
3498 (defun wl-summary-mark-region-subr (function beg end)
3499   (save-excursion
3500     (save-restriction
3501       (narrow-to-region beg end)
3502       (goto-char (point-min))
3503       (if (eq wl-summary-buffer-view 'thread)
3504           (progn
3505             (while (not (eobp))
3506               (let* ((number (wl-summary-message-number))
3507                      (entity (wl-thread-get-entity number))
3508                      (wl-summary-move-direction-downward t)
3509                      children)
3510                 (if (wl-thread-entity-get-opened entity)
3511                     ;; opened...delete line.
3512                     (funcall function number)
3513                   ;; closed
3514                   (setq children (wl-thread-get-children-msgs number))
3515                   (while children
3516                     (funcall function (pop children))))
3517                 (forward-line 1))))
3518         (while (not (eobp))
3519           (funcall function (wl-summary-message-number))
3520           (forward-line 1))))))
3521
3522 (defun wl-summary-delete-region (beg end)
3523   (interactive "r")
3524   (wl-summary-mark-region-subr 'wl-summary-delete beg end))
3525
3526 (defun wl-summary-target-mark-region (beg end)
3527   (interactive "r")
3528   (wl-summary-mark-region-subr 'wl-summary-target-mark beg end))
3529
3530 (defun wl-summary-target-mark-all ()
3531   (interactive)
3532   (wl-summary-target-mark-region (point-min) (point-max))
3533   (setq wl-summary-buffer-target-mark-list
3534         (mapcar 'car
3535                 (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb)))))
3536
3537 (defun wl-summary-delete-all-mark (mark)
3538   (goto-char (point-min))
3539   (while (not (eobp))
3540     (when (string= (wl-summary-temp-mark) mark)
3541       (wl-summary-unmark))
3542     (forward-line 1))
3543   (cond ((string= mark "*")
3544          (setq wl-summary-buffer-target-mark-list nil))
3545         ((string= mark "D")
3546          (setq wl-summary-buffer-delete-list nil))
3547         ((string= mark "O")
3548          (setq wl-summary-buffer-copy-list nil))
3549         ((string= mark "o")
3550          (setq wl-summary-buffer-refile-list nil))))
3551
3552 (defun wl-summary-unmark-all ()
3553   "Unmark all according to what you input."
3554   (interactive)
3555   (let ((unmarks (string-to-char-list (read-from-minibuffer "Unmark: ")))
3556         cur-mark)
3557     (save-excursion
3558       (while unmarks
3559         (setq cur-mark (char-to-string (car unmarks)))
3560         (wl-summary-delete-all-mark cur-mark)
3561         (setq unmarks (cdr unmarks))))))
3562
3563 (defun wl-summary-target-mark-thread ()
3564   (interactive)
3565   (wl-thread-call-region-func 'wl-summary-target-mark-region t))
3566
3567 (defun wl-summary-target-mark-msgs (msgs)
3568   "Return the number of marked messages."
3569   (let ((i 0) num)
3570     (while msgs
3571       (if (eq wl-summary-buffer-view 'thread)
3572           (wl-thread-jump-to-msg (car msgs))
3573         (wl-summary-jump-to-msg (car msgs)))
3574       (setq num (wl-summary-message-number))
3575       (when (eq num (car msgs))
3576         (wl-summary-target-mark num)
3577         (setq i (1+ i)))
3578       (setq msgs (cdr msgs)))
3579     i))
3580
3581 (defun wl-summary-pick (&optional from-list delete-marks)
3582   (interactive)
3583   (save-excursion
3584     (let* ((condition (car (elmo-parse-search-condition
3585                             (elmo-read-search-condition
3586                              wl-summary-pick-field-default))))
3587            (result (elmo-folder-search wl-summary-buffer-elmo-folder
3588                                        condition
3589                                        from-list))
3590            num)
3591       (if delete-marks
3592           (let ((mlist wl-summary-buffer-target-mark-list))
3593             (while mlist
3594               (when (wl-summary-jump-to-msg (car mlist))
3595                 (wl-summary-unmark))
3596               (setq mlist (cdr mlist)))
3597             (setq wl-summary-buffer-target-mark-list nil)))
3598       (if (and result
3599                (setq num (wl-summary-target-mark-msgs result))
3600                (> num 0))
3601           (if (= num (length result))
3602               (message "%d message(s) are picked." num)
3603             (message "%d(%d) message(s) are picked." num
3604                      (- (length result) num)))
3605         (message "No message was picked.")))))
3606
3607 (defun wl-summary-unvirtual ()
3608   "Exit from current virtual folder."
3609   (interactive)
3610   (if (eq 'filter
3611           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3612       (wl-summary-goto-folder-subr
3613        (elmo-folder-name-internal
3614         (elmo-filter-folder-target-internal
3615          wl-summary-buffer-elmo-folder))
3616        'update nil nil t)
3617     (error "This folder is not filtered")))
3618
3619 (defun wl-summary-virtual (&optional arg)
3620   "Goto virtual folder.
3621 If ARG, exit virtual folder."
3622   (interactive "P")
3623   (if arg
3624       (wl-summary-unvirtual)
3625     (wl-summary-goto-folder-subr (concat "/"
3626                                          (elmo-read-search-condition
3627                                           wl-summary-pick-field-default)
3628                                          "/"
3629                                          (wl-summary-buffer-folder-name))
3630                                  'update nil nil t)))
3631
3632 (defun wl-summary-delete-all-temp-marks (&optional no-msg)
3633   "Erase all temp marks from buffer."
3634   (interactive)
3635   (when (or wl-summary-buffer-target-mark-list
3636             wl-summary-buffer-delete-list
3637             wl-summary-buffer-refile-list
3638             wl-summary-buffer-copy-list)
3639     (save-excursion
3640       (goto-char (point-min))
3641       (unless no-msg
3642         (message "Unmarking..."))
3643       (while (not (eobp))
3644         (wl-summary-unmark)
3645         (forward-line 1))
3646       (unless no-msg
3647         (message "Unmarking...done"))
3648       (setq wl-summary-buffer-target-mark-list nil)
3649       (setq wl-summary-buffer-delete-list nil)
3650       (setq wl-summary-buffer-refile-list nil)
3651       (setq wl-summary-buffer-copy-list nil))))
3652
3653 (defun wl-summary-delete-mark (number)
3654   "Delete temporary mark of the message specified by NUMBER."
3655   (cond
3656    ((memq number wl-summary-buffer-target-mark-list)
3657     (setq wl-summary-buffer-target-mark-list
3658           (delq number wl-summary-buffer-target-mark-list)))
3659    ((memq number wl-summary-buffer-delete-list)
3660     (setq wl-summary-buffer-delete-list
3661           (delq number wl-summary-buffer-delete-list)))
3662    (t
3663     (let (pair)
3664       (cond
3665        ((setq pair (assq number wl-summary-buffer-copy-list))
3666         (setq wl-summary-buffer-copy-list
3667               (delq pair wl-summary-buffer-copy-list)))
3668        ((setq pair (assq number wl-summary-buffer-refile-list))
3669         (setq wl-summary-buffer-refile-list
3670               (delq pair wl-summary-buffer-refile-list))))))))
3671
3672 (defsubst wl-summary-temp-mark ()
3673   "Move to the temp-mark column and return mark string."
3674   (move-to-column wl-summary-buffer-temp-mark-column)
3675   (buffer-substring (- (point) 1) (point)))
3676
3677 (defsubst wl-summary-persistent-mark ()
3678   "Move to the persistent-mark column and return mark string."
3679   (move-to-column wl-summary-buffer-persistent-mark-column)
3680   (buffer-substring (- (point) 1) (point)))
3681
3682 (defun wl-summary-mark-line (mark)
3683   "Put MARK on current line.  Return message number."
3684   (save-excursion
3685     (beginning-of-line)
3686     (let ((inhibit-read-only t)
3687           (buffer-read-only nil))
3688       (wl-summary-temp-mark) ; mark
3689       (delete-backward-char 1)
3690       (insert mark)
3691       (if wl-summary-highlight
3692           (wl-highlight-summary-current-line nil nil t))
3693       (set-buffer-modified-p nil))))
3694
3695 (defun wl-summary-target-mark-delete ()
3696   (interactive)
3697   (save-excursion
3698     (goto-char (point-min))
3699     (let (number mlist)
3700       (while (not (eobp))
3701         (when (string= (wl-summary-temp-mark) "*")
3702           (let (wl-summary-buffer-disp-msg)
3703             (when (setq number (wl-summary-message-number))
3704               (wl-summary-delete number)
3705               (setq wl-summary-buffer-target-mark-list
3706                     (delq number wl-summary-buffer-target-mark-list)))))
3707         (forward-line 1))
3708       (setq mlist wl-summary-buffer-target-mark-list)
3709       (while mlist
3710         (wl-append wl-summary-buffer-delete-list (list (car mlist)))
3711         (setq wl-summary-buffer-target-mark-list
3712               (delq (car mlist) wl-summary-buffer-target-mark-list))
3713         (setq mlist (cdr mlist))))))
3714
3715 (defun wl-summary-target-mark-prefetch (&optional ignore-cache)
3716   (interactive "P")
3717   (save-excursion
3718     (let* ((mlist (nreverse wl-summary-buffer-target-mark-list))
3719            (inhibit-read-only t)
3720            (buffer-read-only nil)
3721            (count 0)
3722            (length (length mlist))
3723            (pos (point))
3724            skipped
3725            new-mark)
3726       (while mlist
3727         (setq new-mark (wl-summary-prefetch-msg (car mlist) ignore-cache))
3728         (if new-mark
3729             (progn
3730               (message "Prefetching... %d/%d message(s)"
3731                        (setq count (+ 1 count)) length)
3732               (when (wl-summary-jump-to-msg (car mlist))
3733                 (wl-summary-unmark)
3734                 (when new-mark
3735                   (wl-summary-persistent-mark) ; move
3736                   (delete-backward-char 1)
3737                   (insert new-mark)
3738                   (if wl-summary-highlight
3739                       (wl-highlight-summary-current-line))
3740                   (save-excursion
3741                     (goto-char pos)
3742                     (sit-for 0)))))
3743           (setq skipped (cons (car mlist) skipped)))
3744         (setq mlist (cdr mlist)))
3745       (setq wl-summary-buffer-target-mark-list skipped)
3746       (message "Prefetching... %d/%d message(s)." count length)
3747       (set-buffer-modified-p nil))))
3748
3749 (defun wl-summary-target-mark-refile-subr (copy-or-refile)
3750   (let ((variable
3751          (intern (format "wl-summary-buffer-%s-list" copy-or-refile)))
3752         (function
3753          (intern (format "wl-summary-%s" copy-or-refile)))
3754         (numlist wl-summary-buffer-number-list)
3755         regexp number msgid entity folder mlist)
3756     (save-excursion
3757       ;; guess by first mark
3758       (while numlist
3759         (if (memq (car numlist) wl-summary-buffer-target-mark-list)
3760             (setq number (car numlist)
3761                   numlist nil))
3762         (setq numlist (cdr numlist)))
3763       (when number
3764         (setq msgid (elmo-message-field wl-summary-buffer-elmo-folder
3765                                         number 'message-id)
3766               entity (elmo-msgdb-overview-get-entity
3767                       number (wl-summary-buffer-msgdb)))
3768         (if (null entity)
3769             (error "Cannot %s" copy-or-refile))
3770         (setq folder (wl-summary-read-folder
3771                       (wl-refile-guess entity)
3772                       (format "for %s" copy-or-refile)))
3773         (goto-char (point-min))
3774         (while (not (eobp))
3775           (when (string= (wl-summary-temp-mark) "*")
3776             (let (wl-summary-buffer-disp-msg)
3777               (when (setq number (wl-summary-message-number))
3778                 (funcall function folder number)
3779                 (setq wl-summary-buffer-target-mark-list
3780                       (delq number wl-summary-buffer-target-mark-list)))))
3781           (forward-line 1))
3782         ;; process invisible messages.
3783         (setq mlist wl-summary-buffer-target-mark-list)
3784         (while mlist
3785           (set variable
3786                (append (symbol-value variable)
3787                        (list (cons (car mlist) folder))))
3788           (setq wl-summary-buffer-target-mark-list
3789                 (delq (car mlist) wl-summary-buffer-target-mark-list))
3790           (setq mlist (cdr mlist)))))))
3791
3792 (defun wl-summary-next-buffer ()
3793   "Switch to next summary buffer."
3794   (interactive)
3795   (let ((buffers (sort (wl-collect-summary)
3796                        (lambda (buffer1 buffer2)
3797                          (string-lessp (buffer-name buffer1)
3798                                        (buffer-name buffer2))))))
3799     (switch-to-buffer
3800      (or (cadr (memq (current-buffer) buffers))
3801          (car buffers)))))
3802
3803 (defun wl-summary-previous-buffer ()
3804   "Switch to previous summary buffer."
3805   (interactive)
3806   (let ((buffers (sort (wl-collect-summary)
3807                        (lambda (buffer1 buffer2)
3808                          (not (string-lessp (buffer-name buffer1)
3809                                             (buffer-name buffer2)))))))
3810     (switch-to-buffer
3811      (or (cadr (memq (current-buffer) buffers))
3812          (car buffers)))))
3813
3814 (defun wl-summary-target-mark-copy ()
3815   (interactive)
3816   (wl-summary-target-mark-refile-subr "copy"))
3817
3818 (defun wl-summary-target-mark-refile ()
3819   (interactive)
3820   (wl-summary-target-mark-refile-subr "refile"))
3821
3822 (defun wl-summary-target-mark-mark-as-read ()
3823   (interactive)
3824   (save-excursion
3825     (goto-char (point-min))
3826     (let ((inhibit-read-only t)
3827           (buffer-read-only nil)
3828           wl-summary-buffer-disp-msg
3829           number mlist)
3830       (while (not (eobp))
3831         (when (string= (wl-summary-temp-mark) "*")
3832           ;; delete target-mark from buffer.
3833           (delete-backward-char 1)
3834           (insert " ")
3835           (setq number (wl-summary-message-number))
3836           (wl-summary-mark-as-read number)
3837           (if wl-summary-highlight
3838               (wl-highlight-summary-current-line))
3839           (if number
3840               (setq wl-summary-buffer-target-mark-list
3841                     (delq number wl-summary-buffer-target-mark-list))))
3842         (forward-line 1))
3843       (setq mlist wl-summary-buffer-target-mark-list)
3844       (while mlist
3845         (wl-summary-mark-as-read (car mlist))
3846         (setq wl-summary-buffer-target-mark-list
3847               (delq (car mlist) wl-summary-buffer-target-mark-list))
3848         (setq mlist (cdr mlist)))
3849       (wl-summary-count-unread)
3850       (wl-summary-update-modeline))))
3851
3852 (defun wl-summary-target-mark-mark-as-unread ()
3853   (interactive)
3854   (save-excursion
3855     (goto-char (point-min))
3856     (let ((inhibit-read-only t)
3857           (buffer-read-only nil)
3858           wl-summary-buffer-disp-msg
3859           number mlist)
3860       (while (not (eobp))
3861         (when (string= (wl-summary-temp-mark) "*")
3862           (delete-backward-char 1)
3863           (insert " ")
3864           (setq number (wl-summary-mark-as-unread))
3865           (if wl-summary-highlight
3866               (wl-highlight-summary-current-line))
3867           (if number
3868               (setq wl-summary-buffer-target-mark-list
3869                     (delq number wl-summary-buffer-target-mark-list))))
3870         (forward-line 1))
3871       (setq mlist wl-summary-buffer-target-mark-list)
3872       (while mlist
3873         (wl-summary-mark-as-unread (car mlist))
3874 ;;;     (wl-thread-msg-mark-as-unread (car mlist))
3875         (setq wl-summary-buffer-target-mark-list
3876               (delq (car mlist) wl-summary-buffer-target-mark-list))
3877         (setq mlist (cdr mlist)))
3878       (wl-summary-count-unread)
3879       (wl-summary-update-modeline))))
3880
3881 (defun wl-summary-target-mark-mark-as-important ()
3882   (interactive)
3883   (save-excursion
3884     (goto-char (point-min))
3885     (let ((inhibit-read-only t)
3886           (buffer-read-only nil)
3887           wl-summary-buffer-disp-msg
3888           number mlist)
3889       (while (not (eobp))
3890         (when (string= (wl-summary-temp-mark) "*")
3891           ;; delete target-mark from buffer.
3892           (delete-backward-char 1)
3893           (insert " ")
3894           (setq number (wl-summary-mark-as-important))
3895           (if wl-summary-highlight
3896               (wl-highlight-summary-current-line))
3897           (if number
3898               (setq wl-summary-buffer-target-mark-list
3899                     (delq number wl-summary-buffer-target-mark-list))))
3900         (forward-line 1))
3901       (setq mlist wl-summary-buffer-target-mark-list)
3902       (while mlist
3903         (wl-summary-mark-as-important (car mlist))
3904         (wl-thread-msg-mark-as-important (car mlist))
3905         (setq wl-summary-buffer-target-mark-list
3906               (delq (car mlist) wl-summary-buffer-target-mark-list))
3907         (setq mlist (cdr mlist)))
3908       (wl-summary-count-unread)
3909       (wl-summary-update-modeline))))
3910
3911 (defun wl-summary-target-mark-save ()
3912   (interactive)
3913   (let ((wl-save-dir
3914          (wl-read-directory-name "Save to directory: "
3915                                  wl-temporary-file-directory))
3916         number)
3917     (if (null (file-exists-p wl-save-dir))
3918         (make-directory wl-save-dir))
3919     (while (setq number (car wl-summary-buffer-target-mark-list))
3920       (wl-thread-jump-to-msg number)
3921       (wl-summary-save t wl-save-dir)
3922       (wl-summary-unmark number))))
3923
3924 (defun wl-summary-target-mark-pick ()
3925   (interactive)
3926   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3927
3928 (defun wl-summary-mark-as-read (&optional number no-folder-mark)
3929   (interactive)
3930   (save-excursion
3931     (let ((buffer-read-only nil)
3932           (folder wl-summary-buffer-elmo-folder)
3933           (msgdb (wl-summary-buffer-msgdb))
3934           (case-fold-search nil)
3935           cur-mark mark stat visible uncached new-mark marked)
3936       (setq number (or number (wl-summary-message-number))
3937             visible (if number
3938                         (wl-summary-jump-to-msg number)
3939                       ;; interactive
3940                       t)
3941             mark (elmo-msgdb-get-mark msgdb number))
3942       (cond
3943        ((string= mark wl-summary-new-mark) ; N
3944         (setq stat 'new))
3945        ((string= mark wl-summary-unread-uncached-mark) ; U
3946         (setq stat 'unread))
3947        ((string= mark wl-summary-unread-cached-mark)  ; !
3948         (setq stat 'unread))
3949        ((string= mark wl-summary-read-uncached-mark)  ; u
3950         (setq stat 'read))
3951        (t
3952         ;; no need to mark server.
3953         (setq no-folder-mark t)))
3954       (setq new-mark
3955             (if (and (if (elmo-message-use-cache-p folder number)
3956                          (not (elmo-folder-local-p folder)))
3957                      (not (elmo-file-cache-exists-p
3958                            (elmo-message-field wl-summary-buffer-elmo-folder
3959                                                number 'message-id))))
3960                 wl-summary-read-uncached-mark
3961               nil))
3962       ;; folder mark.
3963       (unless no-folder-mark
3964         (setq marked (elmo-folder-mark-as-read folder (list number))))
3965       (when (or no-folder-mark marked)
3966         (cond ((eq stat 'unread)
3967                (setq wl-summary-buffer-unread-count
3968                      (1- wl-summary-buffer-unread-count)))
3969               ((eq stat 'new)
3970                (setq wl-summary-buffer-new-count
3971                      (1- wl-summary-buffer-new-count))))
3972         (wl-summary-update-modeline)
3973         (wl-folder-update-unread
3974          (wl-summary-buffer-folder-name)
3975          (+ wl-summary-buffer-unread-count
3976             wl-summary-buffer-new-count))
3977         (when stat
3978           ;; set mark on buffer
3979           (when visible
3980             (unless (string= (wl-summary-persistent-mark) new-mark)
3981               (delete-backward-char 1)
3982               (insert (or new-mark " "))))
3983           ;; set msgdb mark.
3984           (unless (string= mark new-mark)
3985             (elmo-msgdb-set-mark msgdb number new-mark))
3986           (wl-summary-set-mark-modified))
3987         (if (and visible wl-summary-highlight)
3988             (wl-highlight-summary-current-line nil nil t)))
3989       (set-buffer-modified-p nil)
3990       (if stat
3991           (run-hooks 'wl-summary-unread-message-hook))
3992       number ;return value
3993       )))
3994
3995 (defun wl-summary-mark-as-important (&optional number
3996                                                mark
3997                                                no-server-update)
3998   (interactive)
3999   (if (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4000           'internal)
4001       (error "Cannot process mark in this folder"))
4002   (save-excursion
4003     (let* (eol
4004           (inhibit-read-only t)
4005           (buffer-read-only nil)
4006           (folder wl-summary-buffer-elmo-folder)
4007           (msgdb (wl-summary-buffer-msgdb))
4008           (number-alist (elmo-msgdb-get-number-alist msgdb))
4009           message-id visible cur-mark)
4010       (if number
4011           (progn
4012             (setq visible (wl-summary-jump-to-msg number))
4013             (setq mark (or mark (elmo-msgdb-get-mark msgdb number))))
4014         (setq visible t))
4015       (when visible
4016         (if (null (setq number (wl-summary-message-number)))
4017             (progn
4018               (message "No message.")
4019               (setq visible nil))
4020           (end-of-line)
4021           (setq eol (point))
4022           (wl-summary-goto-previous-message-beginning)))
4023       (if (or (and (not visible)
4024                    ;; already exists in msgdb.
4025                    (elmo-msgdb-overview-get-entity number msgdb))
4026               (setq cur-mark (wl-summary-persistent-mark)))
4027           (progn
4028             (setq number (or number (wl-summary-message-number)))
4029             (setq mark (or mark cur-mark))
4030             (setq message-id (elmo-message-field
4031                               wl-summary-buffer-elmo-folder
4032                               number
4033                               'message-id))
4034             (if (string= mark wl-summary-important-mark)
4035                 (progn
4036                   ;; server side mark
4037                   (save-match-data
4038                     (unless no-server-update
4039                       (elmo-folder-unmark-important folder (list number))
4040                       (elmo-msgdb-global-mark-delete message-id))
4041                     ;; Remove cache if local folder.
4042                     (if (and (elmo-folder-local-p folder)
4043                              (not (eq 'mark
4044                                       (elmo-folder-type-internal folder))))
4045                         (elmo-file-cache-delete
4046                          (elmo-file-cache-get-path message-id))))
4047                   (when visible
4048                     (delete-backward-char 1)
4049                     (insert " "))
4050                   (elmo-msgdb-set-mark msgdb number nil))
4051               ;; server side mark
4052               (save-match-data
4053                 (unless no-server-update
4054                   (elmo-folder-mark-as-important folder (list number))))
4055               (when visible
4056                 (delete-backward-char 1)
4057                 (insert wl-summary-important-mark))
4058               (elmo-msgdb-set-mark msgdb number
4059                                    wl-summary-important-mark)
4060               (if (eq (elmo-file-cache-exists-p message-id) 'entire)
4061                   (elmo-folder-mark-as-read folder (list number))
4062                 ;; Force cache message.
4063                 (elmo-message-encache folder number 'read))
4064               (unless no-server-update
4065                 (elmo-msgdb-global-mark-set message-id
4066                                             wl-summary-important-mark)))
4067             (wl-summary-set-mark-modified)))
4068       (if (and visible wl-summary-highlight)
4069           (wl-highlight-summary-current-line nil nil t))))
4070   (set-buffer-modified-p nil)
4071   number)
4072
4073 ;;; Summary line.
4074 (defvar wl-summary-line-formatter nil)
4075
4076 (defun wl-summary-view-old-p ()
4077   "Return non-nil when summary view cache has old format."
4078   (save-excursion
4079     (goto-char (point-min))
4080     (and wl-summary-buffer-number-list
4081          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
4082
4083 (defun wl-summary-line-format-changed-p ()
4084   "Return non-nil when summary line format is changed."
4085   (not (string=
4086         wl-summary-buffer-line-format
4087         (or (elmo-object-load (expand-file-name
4088                                wl-summary-line-format-file
4089                                (elmo-folder-msgdb-path
4090                                 wl-summary-buffer-elmo-folder))
4091                               wl-summary-buffer-mime-charset)
4092             wl-summary-buffer-line-format))))
4093
4094 (defun wl-summary-line-format-save ()
4095   "Save current summary line format."
4096   (elmo-object-save
4097    (expand-file-name wl-summary-line-format-file
4098                      (elmo-folder-msgdb-path
4099                       wl-summary-buffer-elmo-folder))
4100    wl-summary-buffer-line-format
4101    wl-summary-buffer-mime-charset))
4102
4103 (defun wl-summary-line-number ()
4104   (wl-set-string-width
4105    (- wl-summary-buffer-number-column)
4106    (number-to-string
4107     (elmo-msgdb-overview-entity-get-number wl-message-entity))))
4108
4109 (defun wl-summary-line-year ()
4110   (aref wl-datevec 0))
4111 (defun wl-summary-line-month ()
4112   (format "%02d" (aref wl-datevec 1)))
4113 (defun wl-summary-line-day ()
4114   (format "%02d" (aref wl-datevec 2)))
4115 (defun wl-summary-line-day-of-week ()
4116   (condition-case nil
4117       (elmo-date-get-week (aref wl-datevec 0)
4118                           (aref wl-datevec 1)
4119                           (aref wl-datevec 2))
4120     (error "??")))
4121 (defun wl-summary-line-hour ()
4122   (format "%02d" (aref wl-datevec 3)))
4123 (defun wl-summary-line-minute ()
4124   (format "%02d" (aref wl-datevec 4)))
4125
4126 (defun wl-summary-line-size ()
4127   (let ((size (elmo-msgdb-overview-entity-get-size wl-message-entity)))
4128     (if size
4129         (cond
4130          ((<= 1 (/ size 1048576))
4131           (format "%.0fM" (/ size 1048576.0)))
4132          ((<= 1 (/ size 1024))
4133           (format "%.0fK" (/ size 1024.0)))
4134          (t (format "%dB" size)))
4135       "")))
4136
4137 (defvar wl-summary-line-subject-minimum-length nil)
4138 (defun wl-summary-line-subject ()
4139   (let (no-parent subject parent-raw-subject parent-subject)
4140     (if (string= wl-thr-indent-string "")
4141         (setq no-parent t)) ; no parent
4142     (setq subject
4143           (elmo-delete-char ?\n
4144                             (or (elmo-msgdb-overview-entity-get-subject
4145                                  wl-message-entity)
4146                                 wl-summary-no-subject-message)))
4147     (setq parent-raw-subject
4148           (elmo-msgdb-overview-entity-get-subject wl-parent-message-entity))
4149     (setq parent-subject
4150           (if parent-raw-subject
4151               (elmo-delete-char ?\n parent-raw-subject)))
4152     (setq subject
4153           (if (or no-parent
4154                   (null parent-subject)
4155                   (not (wl-summary-subject-equal
4156                         subject parent-subject)))
4157               (funcall wl-summary-subject-function subject)
4158             ""))
4159     (when (and wl-summary-line-subject-minimum-length
4160                (< (string-width subject)
4161                   wl-summary-line-subject-minimum-length))
4162       (while (< (string-width subject)
4163                 wl-summary-line-subject-minimum-length)
4164         (setq subject (concat subject " "))))
4165     (if (and (not wl-summary-width)
4166              wl-summary-subject-length-limit)
4167         (truncate-string subject
4168                          wl-summary-subject-length-limit)
4169       subject)))
4170
4171 (defun wl-summary-line-from ()
4172   (elmo-delete-char ?\n
4173                     (funcall wl-summary-from-function
4174                              (elmo-msgdb-overview-entity-get-from
4175                               wl-message-entity))))
4176
4177 (defun wl-summary-line-list-info ()
4178   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
4179     (if (and (car list-info) (cdr list-info))
4180         (format "(%s %05d)" (car list-info) (cdr list-info))
4181       "")))
4182
4183 (defun wl-summary-line-list-count ()
4184   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
4185     (if ml-count
4186         (format "%.0f" ml-count)
4187       "")))
4188
4189 (defun wl-summary-line-attached ()
4190   (let ((content-type (elmo-msgdb-overview-entity-get-extra-field
4191                        wl-message-entity "content-type")))
4192     (if (and content-type
4193              (string-match "multipart/mixed" content-type))
4194         "@"
4195       "")))
4196
4197 (defun wl-summary-create-line (wl-message-entity
4198                                wl-parent-message-entity
4199                                wl-temp-mark
4200                                wl-persistent-mark
4201                                &optional
4202                                wl-thr-children-number
4203                                wl-thr-indent-string
4204                                wl-thr-linked)
4205   "Create a summary line."
4206   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
4207         (elmo-mime-charset wl-summary-buffer-mime-charset)
4208         (elmo-lang wl-summary-buffer-weekday-name-lang)
4209         (wl-datevec (or (ignore-errors (timezone-fix-time
4210                                         (elmo-msgdb-overview-entity-get-date
4211                                          wl-message-entity)
4212                                         nil
4213                                         wl-summary-fix-timezone))
4214                         (make-vector 5 0)))
4215         (entity wl-message-entity) ; backward compatibility.
4216         line mark)
4217     (if (and wl-thr-indent-string
4218              wl-summary-indent-length-limit
4219              (< wl-summary-indent-length-limit
4220                 (string-width wl-thr-indent-string)))
4221         (setq wl-thr-indent-string (wl-set-string-width
4222                                     wl-summary-indent-length-limit
4223                                     wl-thr-indent-string)))
4224     (setq line (funcall wl-summary-buffer-line-formatter))
4225     (if wl-summary-width (setq line
4226                                (wl-set-string-width
4227                                 (- wl-summary-width 1) line nil
4228                                 'ignore-invalid)))
4229     (setq line (concat line
4230                        "\r"
4231                        (number-to-string
4232                         (elmo-msgdb-overview-entity-get-number
4233                          wl-message-entity))))
4234     (if wl-summary-highlight
4235         (wl-highlight-summary-line-string line
4236                                           wl-persistent-mark
4237                                           wl-temp-mark
4238                                           wl-thr-indent-string))
4239     line))
4240
4241 (defsubst wl-summary-proc-wday (wday-str year month mday)
4242   (save-match-data
4243     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
4244         (wl-match-string 1 wday-str)
4245       (elmo-date-get-week year month mday))))
4246
4247 (defvar wl-summary-move-spec-plugged-alist
4248   (` ((new . ((t . nil)
4249               (p . (, wl-summary-new-mark))
4250               (p . (, (wl-regexp-opt
4251                        (list wl-summary-unread-uncached-mark
4252                              wl-summary-unread-cached-mark))))
4253               (p . (, (regexp-quote wl-summary-important-mark)))))
4254       (unread . ((t . nil)
4255                  (p . (, (wl-regexp-opt
4256                           (list wl-summary-new-mark
4257                                 wl-summary-unread-uncached-mark
4258                                 wl-summary-unread-cached-mark))))
4259                  (p . (, (regexp-quote wl-summary-important-mark))))))))
4260
4261 (defvar wl-summary-move-spec-unplugged-alist
4262   (` ((new . ((t . nil)
4263               (p . (, wl-summary-unread-cached-mark))
4264               (p . (, (regexp-quote wl-summary-important-mark)))))
4265       (unread . ((t . nil)
4266                  (p . (, wl-summary-unread-cached-mark))
4267                  (p . (, (regexp-quote wl-summary-important-mark))))))))
4268
4269 (defsubst wl-summary-next-message (num direction hereto)
4270   (if wl-summary-buffer-next-message-function
4271       (funcall wl-summary-buffer-next-message-function num direction hereto)
4272     (let ((cur-spec (cdr (assq wl-summary-move-order
4273                                (if (elmo-folder-plugged-p
4274                                     wl-summary-buffer-elmo-folder)
4275                                    wl-summary-move-spec-plugged-alist
4276                                  wl-summary-move-spec-unplugged-alist))))
4277           (nums (memq num (if (eq direction 'up)
4278                               (reverse wl-summary-buffer-number-list)
4279                             wl-summary-buffer-number-list)))
4280           marked-list nums2)
4281       (unless hereto (setq nums (cdr nums)))
4282       (setq nums2 nums)
4283       (if cur-spec
4284           (catch 'done
4285             (while cur-spec
4286               (setq nums nums2)
4287               (cond ((eq (car (car cur-spec)) 'p)
4288                      (if (setq marked-list
4289                                (elmo-folder-list-messages-mark-match
4290                                 wl-summary-buffer-elmo-folder
4291                                 (cdr (car cur-spec))))
4292                          (while nums
4293                            (if (memq (car nums) marked-list)
4294                                (throw 'done (car nums)))
4295                            (setq nums (cdr nums)))))
4296                     ((eq (car (car cur-spec)) 't)
4297                      (if wl-summary-buffer-target-mark-list
4298                          (while nums
4299                            (if (memq (car nums)
4300                                      wl-summary-buffer-target-mark-list)
4301                                (throw 'done (car nums)))
4302                            (setq nums (cdr nums))))))
4303               (setq cur-spec (cdr cur-spec))))
4304         (car nums)))))
4305
4306 (defsubst wl-summary-cursor-move (direction hereto)
4307   (when (and (eq direction 'up)
4308              (eobp))
4309     (forward-line -1)
4310     (setq hereto t))
4311   (let (num)
4312     (when (setq num (wl-summary-next-message (wl-summary-message-number)
4313                                              direction hereto))
4314       (if (numberp num)
4315           (wl-thread-jump-to-msg num))
4316       t)))
4317 ;;
4318 ;; Goto unread or important
4319 ;; returns t if next message exists in this folder.
4320 (defun wl-summary-cursor-down (&optional hereto)
4321   (interactive "P")
4322   (wl-summary-cursor-move 'down hereto))
4323
4324 (defun wl-summary-cursor-up (&optional hereto)
4325   (interactive "P")
4326   (wl-summary-cursor-move 'up hereto))
4327
4328 (defun wl-summary-save-view-cache ()
4329   (save-excursion
4330     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
4331            (cache (expand-file-name wl-summary-cache-file dir))
4332            (view (expand-file-name wl-summary-view-file dir))
4333            (save-view wl-summary-buffer-view)
4334            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
4335            (refile-list (copy-sequence wl-summary-buffer-refile-list))
4336            (copy-list (copy-sequence wl-summary-buffer-copy-list))
4337            (delete-list (copy-sequence wl-summary-buffer-delete-list))
4338            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
4339            (temp-column wl-summary-buffer-temp-mark-column)
4340            (charset wl-summary-buffer-mime-charset))
4341       (if (file-directory-p dir)
4342           (); ok.
4343         (if (file-exists-p dir)
4344             (error "File %s already exists" dir)
4345           (elmo-make-directory dir)))
4346       (if (eq save-view 'thread)
4347           (wl-thread-save-entity dir))
4348       (when wl-summary-check-line-format
4349         (wl-summary-line-format-save))
4350       (unwind-protect
4351           (progn
4352             (when (file-writable-p cache)
4353               (copy-to-buffer tmp-buffer (point-min) (point-max))
4354               (with-current-buffer tmp-buffer
4355                 (widen)
4356                 (make-local-variable 'wl-summary-highlight)
4357                 (setq wl-summary-highlight nil
4358                       wl-summary-buffer-target-mark-list mark-list
4359                       wl-summary-buffer-refile-list refile-list
4360                       wl-summary-buffer-copy-list copy-list
4361                       wl-summary-buffer-delete-list delete-list
4362                       wl-summary-buffer-temp-mark-column temp-column)
4363                 (wl-summary-delete-all-temp-marks)
4364                 (encode-coding-region
4365                  (point-min) (point-max)
4366                  (or (mime-charset-to-coding-system charset 'LF)
4367                      ;; Mule 2 doesn't have `*ctext*unix'.
4368                      (mime-charset-to-coding-system charset)))
4369                 (write-region-as-binary (point-min)(point-max)
4370                                         cache nil 'no-msg)))
4371             (when (file-writable-p view) ; 'thread or 'sequence
4372               (save-excursion
4373                 (set-buffer tmp-buffer)
4374                 (erase-buffer)
4375                 (prin1 save-view tmp-buffer)
4376                 (princ "\n" tmp-buffer)
4377                 (write-region (point-min) (point-max) view nil 'no-msg))))
4378         ;; kill tmp buffer.
4379         (kill-buffer tmp-buffer)))))
4380
4381 (defsubst wl-summary-get-sync-range (folder)
4382   (intern (or (and
4383                (elmo-folder-plugged-p folder)
4384                (wl-get-assoc-list-value
4385                 wl-folder-sync-range-alist
4386                 (elmo-folder-name-internal folder)))
4387               wl-default-sync-range)))
4388
4389 ;; redefined for wl-summary-sync-update
4390 (defun wl-summary-input-range (folder)
4391   "returns update or all or rescan."
4392   ;; for the case when parts are expanded in the bottom of the folder
4393   (let ((input-range-list '("update" "all" "rescan" "first:" "last:"
4394                             "cache-status"
4395                             "no-sync" "rescan-noscore" "all-visible"))
4396         (default (or (wl-get-assoc-list-value
4397                       wl-folder-sync-range-alist
4398                       folder)
4399                      wl-default-sync-range))
4400         range)
4401     (setq range
4402           (completing-read (format "Range (%s): " default)
4403                            (mapcar
4404                             (function (lambda (x) (cons x x)))
4405                             input-range-list)))
4406     (if (string= range "")
4407         default
4408       range)))
4409
4410 (defun wl-summary-toggle-disp-folder (&optional arg)
4411   (interactive)
4412   (let ((cur-buf (current-buffer))
4413         (summary-win (get-buffer-window (current-buffer)))
4414         fld-buf fld-win)
4415     (cond
4416      ((eq arg 'on)
4417       (setq wl-summary-buffer-disp-folder t)
4418       ;; hide your folder window
4419       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4420           (if (setq fld-win (get-buffer-window fld-buf))
4421               (delete-window fld-win))))
4422      ((eq arg 'off)
4423       (setq wl-summary-buffer-disp-folder nil)
4424       ;; hide your wl-message window!
4425       (when (buffer-live-p wl-message-buffer)
4426         (wl-message-select-buffer wl-message-buffer)
4427         (delete-window))
4428       (select-window (get-buffer-window cur-buf))
4429       ;; display wl-folder window!!
4430       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4431           (if (setq fld-win (get-buffer-window fld-buf))
4432               ;; folder win is already displayed.
4433               (select-window fld-win)
4434             ;; folder win is not displayed.
4435             (switch-to-buffer fld-buf))
4436         ;; no folder buf
4437         (wl-folder))
4438       ;; temporarily delete summary-win.
4439       (if summary-win
4440           (delete-window summary-win))
4441       (split-window-horizontally wl-folder-window-width)
4442       (other-window 1)
4443       (switch-to-buffer cur-buf))
4444      (t
4445       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4446           (if (setq fld-win (get-buffer-window fld-buf))
4447               (setq wl-summary-buffer-disp-folder nil)
4448             (setq wl-summary-buffer-disp-folder t)))
4449       (if (not wl-summary-buffer-disp-folder)
4450           ;; hide message window
4451           (let ((mes-win (and wl-message-buffer
4452                               (get-buffer-window wl-message-buffer)))
4453                 (wl-stay-folder-window t))
4454             (if mes-win (delete-window mes-win))
4455             ;; hide your folder window
4456             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4457                 (if (setq fld-win (get-buffer-window fld-buf))
4458                     (progn
4459                       (delete-window (get-buffer-window cur-buf))
4460                       (select-window fld-win)
4461                       (switch-to-buffer cur-buf))))
4462             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
4463             ;; resume message window.
4464             (when mes-win
4465               (wl-message-select-buffer wl-message-buffer)
4466               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
4467               (select-window (get-buffer-window cur-buf))))
4468         ;; hide message window
4469         (let ((wl-stay-folder-window t)
4470               (mes-win (and wl-message-buffer
4471                             (get-buffer-window wl-message-buffer))))
4472           (if mes-win (delete-window mes-win))
4473           (select-window (get-buffer-window cur-buf))
4474           ;; display wl-folder window!!
4475           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
4476               (if (setq fld-win (get-buffer-window fld-buf))
4477                   ;; folder win is already displayed.
4478                   (select-window fld-win)
4479                 ;; folder win is not displayed...occupy all.
4480                 (switch-to-buffer fld-buf))
4481             ;; no folder buf
4482             (wl-folder))
4483           (split-window-horizontally wl-folder-window-width)
4484           (other-window 1)
4485           (switch-to-buffer cur-buf)
4486           ;; resume message window.
4487           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
4488           (when mes-win
4489             (wl-message-select-buffer wl-message-buffer)
4490             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
4491             (select-window (get-buffer-window cur-buf))))))))
4492   (run-hooks 'wl-summary-toggle-disp-folder-hook))
4493
4494 (defun wl-summary-toggle-disp-msg (&optional arg)
4495   (interactive)
4496   (let ((cur-buf (current-buffer))
4497         fld-buf fld-win
4498         summary-win)
4499     (cond
4500      ((eq arg 'on)
4501       (setq wl-summary-buffer-disp-msg t)
4502       (save-excursion
4503         ;; hide your folder window
4504         (if (and (not wl-stay-folder-window)
4505                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
4506             (if (setq fld-win (get-buffer-window fld-buf))
4507                 (unless (one-window-p fld-win)
4508                   (delete-window fld-win))))))
4509      ((eq arg 'off)
4510       (wl-delete-all-overlays)
4511       (setq wl-summary-buffer-disp-msg nil)
4512       (save-excursion
4513         (when (buffer-live-p wl-message-buffer)
4514           (wl-message-select-buffer wl-message-buffer)
4515           (delete-window)
4516           (and (get-buffer-window cur-buf)
4517                (select-window (get-buffer-window cur-buf))))
4518         (run-hooks 'wl-summary-toggle-disp-off-hook)))
4519      (t
4520       (if (and wl-message-buffer
4521                (get-buffer-window wl-message-buffer)) ; already displayed
4522           (setq wl-summary-buffer-disp-msg nil)
4523         (setq wl-summary-buffer-disp-msg t))
4524       (if wl-summary-buffer-disp-msg
4525           (progn
4526             (wl-summary-redisplay)
4527 ;;; hide your folder window
4528 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
4529 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
4530 ;;;             (delete-window fld-win)))
4531             (run-hooks 'wl-summary-toggle-disp-on-hook))
4532         (wl-delete-all-overlays)
4533         (save-excursion
4534           (wl-message-select-buffer wl-message-buffer)
4535           (delete-window)
4536           (select-window (get-buffer-window cur-buf))
4537           (run-hooks 'wl-summary-toggle-disp-off-hook))
4538 ;;;     (switch-to-buffer cur-buf)
4539         )))))
4540
4541 (defun wl-summary-next-line-content ()
4542   "Show next line of the message."
4543   (interactive)
4544   (let ((cur-buf (current-buffer)))
4545     (wl-summary-toggle-disp-msg 'on)
4546     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4547       (set-buffer cur-buf)
4548       (wl-message-next-page 1))))
4549
4550 (defun wl-summary-prev-line-content ()
4551   (interactive)
4552   (let ((cur-buf (current-buffer)))
4553     (wl-summary-toggle-disp-msg 'on)
4554     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4555       (set-buffer cur-buf)
4556       (wl-message-prev-page 1))))
4557
4558 (defun wl-summary-next-page ()
4559   (interactive)
4560   (let ((cur-buf (current-buffer)))
4561     (wl-summary-toggle-disp-msg 'on)
4562     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4563       (set-buffer cur-buf)
4564       (wl-message-next-page))))
4565
4566 (defun wl-summary-prev-page ()
4567   (interactive)
4568   (let ((cur-buf (current-buffer)))
4569     (wl-summary-toggle-disp-msg 'on)
4570     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4571       (set-buffer cur-buf)
4572       (wl-message-prev-page))))
4573
4574 (defsubst wl-summary-no-mime-p (folder)
4575   (wl-string-match-member (elmo-folder-name-internal folder)
4576                           wl-summary-no-mime-folder-list))
4577
4578 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
4579   "Set message buffer.
4580 If message is not displayed yet, display it.
4581 Return t if message exists."
4582   (let ((folder wl-summary-buffer-elmo-folder)
4583         (number (wl-summary-message-number))
4584         cur-folder cur-number message-last-pos)
4585     (when (buffer-live-p wl-message-buffer)
4586       (save-window-excursion
4587         (wl-message-select-buffer wl-message-buffer)
4588         (setq cur-folder wl-message-buffer-cur-folder)
4589         (setq cur-number wl-message-buffer-cur-number)))
4590     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
4591              (eq number (or cur-number 0)))
4592         (progn
4593           (set-buffer wl-message-buffer)
4594           t)
4595       (if (wl-summary-no-mime-p folder)
4596           (wl-summary-redisplay-no-mime-internal folder number)
4597         (wl-summary-redisplay-internal folder number))
4598       (when (buffer-live-p wl-message-buffer)
4599         (set-buffer wl-message-buffer))
4600       nil)))
4601
4602 (defun wl-summary-target-mark-forward (&optional arg)
4603   (interactive "P")
4604   (let ((mlist (nreverse wl-summary-buffer-target-mark-list))
4605         (summary-buf (current-buffer))
4606         (wl-draft-forward t)
4607         start-point
4608         draft-buf)
4609     (wl-summary-jump-to-msg (car mlist))
4610     (wl-summary-forward t)
4611     (setq start-point (point))
4612     (setq draft-buf (current-buffer))
4613     (setq mlist (cdr mlist))
4614     (save-window-excursion
4615       (when mlist
4616         (while mlist
4617           (set-buffer summary-buf)
4618           (wl-summary-jump-to-msg (car mlist))
4619           (wl-summary-redisplay)
4620           (set-buffer draft-buf)
4621           (goto-char (point-max))
4622           (wl-draft-insert-message)
4623           (setq mlist (cdr mlist)))
4624         (wl-draft-body-goto-top)
4625         (wl-draft-enclose-digest-region (point) (point-max)))
4626       (goto-char start-point)
4627       (save-excursion
4628         (set-buffer summary-buf)
4629         (wl-summary-delete-all-temp-marks)))
4630     (run-hooks 'wl-mail-setup-hook)))
4631
4632 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
4633   (interactive "P")
4634   (let ((mlist (nreverse wl-summary-buffer-target-mark-list))
4635         (summary-buf (current-buffer))
4636         change-major-mode-hook
4637         start-point
4638         draft-buf)
4639     (wl-summary-jump-to-msg (car mlist))
4640     (wl-summary-reply arg t)
4641     (goto-char (point-max))
4642     (setq start-point (point-marker))
4643     (setq draft-buf (current-buffer))
4644     (save-window-excursion
4645       (while mlist
4646         (set-buffer summary-buf)
4647         (delete-other-windows)
4648         (wl-summary-jump-to-msg (car mlist))
4649         (wl-summary-redisplay)
4650         (set-buffer draft-buf)
4651         (goto-char (point-max))
4652         (wl-draft-yank-original)
4653         (setq mlist (cdr mlist)))
4654       (goto-char start-point)
4655       (save-excursion
4656         (set-buffer summary-buf)
4657         (wl-summary-delete-all-temp-marks)))
4658     (run-hooks 'wl-mail-setup-hook)))
4659
4660 (defun wl-summary-reply-with-citation (&optional arg)
4661   (interactive "P")
4662   (when (wl-summary-reply arg t)
4663     (goto-char (point-max))
4664     (wl-draft-yank-original)
4665     (run-hooks 'wl-mail-setup-hook)))
4666
4667 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4668   (interactive)
4669   (let* ((original (wl-summary-message-number))
4670          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4671          (number-alist (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb)))
4672          msg otherfld schar
4673          (errmsg
4674           (format "No message with id \"%s\" in the folder." msgid)))
4675     (if (setq msg (car (rassoc msgid number-alist)))
4676 ;;;     (wl-summary-jump-to-msg-internal
4677 ;;;      (wl-summary-buffer-folder-name) msg 'no-sync)
4678         (progn
4679           (wl-thread-jump-to-msg msg)
4680           t)
4681       ;; for XEmacs!
4682       (if (and elmo-use-database
4683                (setq errmsg
4684                      (format
4685                       "No message with id \"%s\" in the database." msgid))
4686                (setq otherfld (elmo-database-msgid-get msgid)))
4687           (if (cdr (wl-summary-jump-to-msg-internal
4688                     (car otherfld) (nth 1 otherfld) 'no-sync))
4689               t ; succeed.
4690             ;; Back to original.
4691             (wl-summary-jump-to-msg-internal
4692              (wl-summary-buffer-folder-name) original 'no-sync))
4693         (cond ((eq wl-summary-search-via-nntp 'confirm)
4694                (require 'elmo-nntp)
4695                (message "Search message in nntp server \"%s\" <y/n/s(elect)>?"
4696                         elmo-nntp-default-server)
4697                (setq schar (read-char))
4698                (cond ((eq schar ?y)
4699                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4700                      ((eq schar ?s)
4701                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4702                        msgid
4703                        (read-from-minibuffer "NNTP Server: ")))
4704                      (t
4705                       (message errmsg)
4706                       nil)))
4707               (wl-summary-search-via-nntp
4708                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4709               (t
4710                (message errmsg)
4711                nil))))))
4712
4713 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4714   (interactive)
4715   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4716          newsgroups folder ret
4717          user server port type spec)
4718     (if server-spec
4719         (if (string-match "^-" server-spec)
4720             (setq spec (wl-folder-get-elmo-folder server-spec)
4721                   user (elmo-net-folder-user-internal spec)
4722                   server (elmo-net-folder-server-internal spec)
4723                   port (elmo-net-folder-port-internal spec)
4724                   type (elmo-net-folder-stream-type-internal spec))
4725           (setq server server-spec)))
4726     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4727                      msgid
4728                      (or server elmo-nntp-default-server)
4729                      (or user elmo-nntp-default-user)
4730                      (or port elmo-nntp-default-port)
4731                      (or type elmo-nntp-default-stream-type)))
4732       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4733       (setq folder (concat "-" (car newsgroups)
4734                            (elmo-nntp-folder-postfix user server port type)))
4735       (catch 'found
4736         (while newsgroups
4737           (if (wl-folder-entity-exists-p (car newsgroups)
4738                                          wl-folder-newsgroups-hashtb)
4739               (throw 'found
4740                      (setq folder (concat "-" (car newsgroups)
4741                                           (elmo-nntp-folder-postfix
4742                                            user server port type)))))
4743           (setq newsgroups (cdr newsgroups)))))
4744     (if ret
4745         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4746       (message "No message id \"%s\" in nntp server \"%s\"."
4747                msgid (or server elmo-nntp-default-server))
4748       nil)))
4749
4750 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4751   (let (wl-auto-select-first entity)
4752     (if (or (string= folder (wl-summary-buffer-folder-name))
4753             (y-or-n-p
4754              (format
4755               "Message was found in the folder \"%s\". Jump to it? "
4756               folder)))
4757         (progn
4758           (unwind-protect
4759               (wl-summary-goto-folder-subr
4760                folder scan-type nil nil t)
4761             (if msgid
4762                 (setq msg
4763                       (car (rassoc msgid
4764                                    (elmo-msgdb-get-number-alist
4765                                     (wl-summary-buffer-msgdb))))))
4766             (setq entity (wl-folder-search-entity-by-name folder
4767                                                           wl-folder-entity
4768                                                           'folder))
4769             (if entity
4770                 (wl-folder-set-current-entity-id
4771                  (wl-folder-get-entity-id entity))))
4772           (if (null msg)
4773               (message "Message was not found currently in this folder.")
4774             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4775           (cons folder msg)))))
4776
4777 (defun wl-summary-jump-to-parent-message (arg)
4778   (interactive "P")
4779   (let ((cur-buf (current-buffer))
4780         (number (wl-summary-message-number))
4781         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4782         (i -1) ;; xxx
4783         msg-id msg-num ref-list ref irt)
4784     (if (null number)
4785         (message "No message.")
4786       (when (eq wl-summary-buffer-view 'thread)
4787         (cond ((and arg (not (numberp arg)))
4788                (setq msg-num
4789                      (wl-thread-entity-get-number
4790                       (wl-thread-entity-get-top-entity
4791                        (wl-thread-get-entity number)))))
4792               ((and arg (numberp arg))
4793                (setq i 0)
4794                (setq msg-num number)
4795                (while (< i arg)
4796                  (setq msg-num
4797                        (wl-thread-entity-get-number
4798                         (wl-thread-entity-get-parent-entity
4799                          (wl-thread-get-entity msg-num))))
4800                  (setq i (1+ i))))
4801               (t (setq msg-num
4802                        (wl-thread-entity-get-number
4803                         (wl-thread-entity-get-parent-entity
4804                          (wl-thread-get-entity number)))))))
4805       (when (null msg-num)
4806         (wl-summary-set-message-buffer-or-redisplay)
4807         (set-buffer (wl-message-get-original-buffer))
4808         (message "Searching parent message...")
4809         (setq ref (std11-field-body "References")
4810               irt (std11-field-body "In-Reply-To"))
4811         (cond
4812          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4813                (string-match regexp ref))
4814           ;; The first message of the thread.
4815           (setq msg-id (wl-match-string 1 ref)))
4816          ;; "In-Reply-To:" has only one msg-id.
4817          ((and (null arg) irt (not (string= irt ""))
4818                (string-match regexp irt))
4819           (setq msg-id (wl-match-string 1 irt)))
4820          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4821                (string-match regexp ref))
4822           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4823           (while (string-match regexp ref)
4824             (setq ref-list
4825                   (append (list
4826                            (wl-match-string 1 ref))
4827                           ref-list))
4828             (setq ref (substring ref (match-end 0)))
4829             (setq i (1+ i)))
4830           (setq msg-id
4831                 (if (null arg) (nth 0 ref-list) ;; previous
4832                   (if (<= arg i) (nth (1- arg) ref-list)
4833                     (nth i ref-list)))))))
4834       (set-buffer cur-buf)
4835       (cond ((and (null msg-id) (null msg-num))
4836              (message "No parent message!")
4837              nil)
4838             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4839              (wl-summary-redisplay)
4840              (message "Searching parent message...done")
4841              t)
4842             ((and msg-num (wl-summary-jump-to-msg msg-num))
4843              (wl-summary-redisplay)
4844              (message "Searching parent message...done")
4845              t)
4846             (t ; failed.
4847              (message "Parent message was not found.")
4848              nil)))))
4849
4850 (defun wl-summary-reply (&optional arg without-setup-hook)
4851   "Reply to current message. Default is \"wide\" reply.
4852 Reply to author if invoked with ARG."
4853   (interactive "P")
4854   (let ((folder wl-summary-buffer-elmo-folder)
4855         (number (wl-summary-message-number))
4856         (summary-buf (current-buffer))
4857         mes-buf)
4858     (when number
4859       (save-excursion
4860         (wl-summary-redisplay-internal folder number))
4861       (setq mes-buf wl-message-buffer)
4862       (wl-message-select-buffer wl-message-buffer)
4863       (set-buffer mes-buf)
4864       (goto-char (point-min))
4865       (unless wl-draft-use-frame
4866         (split-window-vertically)
4867         (other-window 1))
4868       (when (setq mes-buf (wl-message-get-original-buffer))
4869         (wl-draft-reply mes-buf arg summary-buf)
4870         (unless without-setup-hook
4871           (run-hooks 'wl-mail-setup-hook)))
4872       t)))
4873
4874 (defun wl-summary-write ()
4875   "Write a new draft from Summary."
4876   (interactive)
4877   (wl-draft (list (cons 'To ""))
4878             nil nil nil nil (wl-summary-buffer-folder-name))
4879   (run-hooks 'wl-mail-setup-hook)
4880   (mail-position-on-field "To"))
4881
4882 (defvar wl-summary-write-current-folder-functions
4883   '(wl-folder-get-newsgroups
4884     wl-folder-guess-mailing-list-by-refile-rule
4885     wl-folder-guess-mailing-list-by-folder-name)
4886   "Newsgroups or Mailing List address guess functions list.
4887 Call from `wl-summary-write-current-folder'.
4888 When guess function return nil, challenge next guess-function.")
4889
4890 (defun wl-summary-write-current-folder (&optional folder)
4891   "Write message to current FOLDER's newsgroup or mailing-list.
4892 Use function list is `wl-summary-write-current-folder-functions'."
4893   (interactive)
4894   ;; default FOLDER is current buffer folder
4895   (setq folder (or folder (wl-summary-buffer-folder-name)))
4896   (let ((func-list wl-summary-write-current-folder-functions)
4897         guess-list guess-func)
4898     (while func-list
4899       (setq guess-list (funcall (car func-list) folder))
4900       (if (null guess-list)
4901           (setq func-list (cdr func-list))
4902         (setq guess-func (car func-list))
4903         (setq func-list nil)))
4904     (if (null guess-func)
4905         (wl-summary-write)
4906       (unless (or (stringp (nth 0 guess-list))
4907                   (stringp (nth 1 guess-list))
4908                   (stringp (nth 2 guess-list)))
4909         (error "Invalid value return guess function `%s'"
4910                (symbol-name guess-func)))
4911       (wl-draft (list (cons 'To (nth 0 guess-list))
4912                       (cons 'Cc (nth 1 guess-list))
4913                       (cons 'Newsgroups (nth 2 guess-list)))
4914                 nil nil nil nil folder)
4915       (run-hooks 'wl-mail-setup-hook)
4916       (mail-position-on-field "Subject"))))
4917
4918 (defun wl-summary-forward (&optional without-setup-hook)
4919   ""
4920   (interactive)
4921   (let ((folder wl-summary-buffer-elmo-folder)
4922         (number (wl-summary-message-number))
4923         (summary-buf (current-buffer))
4924         (wl-draft-forward t)
4925         mes-buf
4926         entity subject num)
4927     (if (null number)
4928         (message "No message.")
4929       (if (and (elmo-message-use-cache-p folder number)
4930                (eq (elmo-file-cache-status
4931                     (elmo-file-cache-get
4932                      (elmo-message-field folder number 'message-id)))
4933                    'section))
4934           ;; Reload.
4935           (wl-summary-redisplay-internal nil nil 'force-reload)
4936         (wl-summary-redisplay-internal folder number))
4937       (setq mes-buf wl-message-buffer)
4938       (wl-message-select-buffer mes-buf)
4939       (unless wl-draft-use-frame
4940         (split-window-vertically)
4941         (other-window 1))
4942       ;; get original subject.
4943       (if summary-buf
4944           (save-excursion
4945             (set-buffer summary-buf)
4946             (setq subject
4947                   (or (elmo-message-field folder number 'subject) ""))))
4948       (set-buffer mes-buf)
4949       (wl-draft-forward subject summary-buf)
4950       (unless without-setup-hook
4951         (run-hooks 'wl-mail-setup-hook)))))
4952
4953 (defun wl-summary-click (e)
4954   (interactive "e")
4955   (mouse-set-point e)
4956   (wl-summary-read))
4957
4958 (defun wl-summary-read ()
4959   "Proceed reading message in the summary buffer."
4960   (interactive)
4961   (let ((cur-buf (current-buffer)))
4962     (wl-summary-toggle-disp-msg 'on)
4963     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4964       (set-buffer cur-buf)
4965       (if (wl-message-next-page)
4966           (wl-summary-down t)))))
4967
4968 (defsubst wl-summary-cursor-move-surface (downward interactive)
4969   (if wl-summary-move-direction-toggle
4970       (setq wl-summary-move-direction-downward downward))
4971   (let ((start (point))
4972         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4973         (skip t)
4974         skip-pmark-regexp goto-next next-entity finfo)
4975     (if (elmo-folder-plugged-p wl-summary-buffer-elmo-folder)
4976         ()
4977       (setq skip-pmark-regexp
4978             (wl-regexp-opt (list " "
4979                                  wl-summary-unread-cached-mark
4980                                  wl-summary-important-mark))))
4981     (while (and skip
4982                 (not (if downward (eobp) (bobp))))
4983       (if downward
4984           (forward-line 1)
4985         (forward-line -1))
4986       (setq skip (or (string-match skip-tmark-regexp
4987                                    (save-excursion
4988                                      (wl-summary-temp-mark)))
4989                      (and skip-pmark-regexp
4990                           (not (string-match
4991                                 skip-pmark-regexp
4992                                 (save-excursion
4993                                   (wl-summary-persistent-mark))))))))
4994
4995     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4996     (if (or (eobp) (and (bobp) skip))
4997         (goto-char start))
4998
4999     (beginning-of-line)
5000
5001     (if (not goto-next)
5002         (if wl-summary-buffer-disp-msg
5003             (wl-summary-redisplay))
5004       (if interactive
5005           (if wl-summary-buffer-next-folder-function
5006               (funcall wl-summary-buffer-next-folder-function)
5007             (when wl-auto-select-next
5008               (setq next-entity
5009                     (if downward
5010                         (wl-summary-get-next-folder)
5011                       (wl-summary-get-prev-folder)))
5012               (if next-entity
5013                   (setq finfo (wl-folder-get-entity-info next-entity))))
5014             (wl-ask-folder
5015              '(lambda () (wl-summary-next-folder-or-exit next-entity))
5016              (format
5017               "No more messages. Type SPC to go to %s."
5018               (wl-summary-entity-info-msg next-entity finfo))))))))
5019
5020 (defun wl-summary-prev (&optional interactive)
5021   (interactive)
5022   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
5023
5024 (defun wl-summary-next (&optional interactive)
5025   (interactive)
5026   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
5027
5028 (defun wl-summary-up (&optional interactive skip-no-unread)
5029   ""
5030   (interactive)
5031   (if wl-summary-move-direction-toggle
5032       (setq wl-summary-move-direction-downward nil))
5033   (if (wl-summary-cursor-up)
5034       (if wl-summary-buffer-disp-msg
5035           (wl-summary-redisplay))
5036     (if (or interactive
5037             (interactive-p))
5038         (if wl-summary-buffer-prev-folder-function
5039             (funcall wl-summary-buffer-prev-folder-function)
5040           (let (next-entity finfo)
5041             (when wl-auto-select-next
5042               (progn
5043                 (setq next-entity (wl-summary-get-prev-unread-folder))
5044                 (if next-entity
5045                     (setq finfo (wl-folder-get-entity-info next-entity)))))
5046             (if (and skip-no-unread
5047                      (eq wl-auto-select-next 'skip-no-unread))
5048                 (wl-summary-next-folder-or-exit next-entity t)
5049               (wl-ask-folder
5050                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
5051                (format
5052                 "No more unread messages. Type SPC to go to %s."
5053                 (wl-summary-entity-info-msg next-entity finfo)))))))))
5054
5055 (defun wl-summary-get-prev-folder ()
5056   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5057         last-entity cur-id)
5058     (when folder-buf
5059       (setq cur-id (save-excursion (set-buffer folder-buf)
5060                                    wl-folder-buffer-cur-entity-id))
5061       (wl-folder-get-prev-folder cur-id))))
5062
5063 (defun wl-summary-get-next-folder ()
5064   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5065         cur-id)
5066     (when folder-buf
5067       (setq cur-id (save-excursion (set-buffer folder-buf)
5068                                    wl-folder-buffer-cur-entity-id))
5069       (wl-folder-get-next-folder cur-id))))
5070
5071 (defun wl-summary-get-next-unread-folder ()
5072   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5073         cur-id)
5074     (when folder-buf
5075       (setq cur-id (save-excursion (set-buffer folder-buf)
5076                                    wl-folder-buffer-cur-entity-id))
5077       (wl-folder-get-next-folder cur-id 'unread))))
5078
5079 (defun wl-summary-get-prev-unread-folder ()
5080   (let ((folder-buf (get-buffer wl-folder-buffer-name))
5081         cur-id)
5082     (when folder-buf
5083       (setq cur-id (save-excursion (set-buffer folder-buf)
5084                                    wl-folder-buffer-cur-entity-id))
5085       (wl-folder-get-prev-folder cur-id 'unread))))
5086
5087 (defun wl-summary-down (&optional interactive skip-no-unread)
5088   (interactive)
5089   (if wl-summary-move-direction-toggle
5090       (setq wl-summary-move-direction-downward t))
5091   (if (wl-summary-cursor-down)
5092       (if wl-summary-buffer-disp-msg
5093           (wl-summary-redisplay))
5094     (if (or interactive
5095             (interactive-p))
5096         (if wl-summary-buffer-next-folder-function
5097             (funcall wl-summary-buffer-next-folder-function)
5098           (let (next-entity finfo)
5099             (when wl-auto-select-next
5100               (setq next-entity (wl-summary-get-next-unread-folder)))
5101             (if next-entity
5102                 (setq finfo (wl-folder-get-entity-info next-entity)))
5103             (if (and skip-no-unread
5104                      (eq wl-auto-select-next 'skip-no-unread))
5105                 (wl-summary-next-folder-or-exit next-entity)
5106               (wl-ask-folder
5107                '(lambda () (wl-summary-next-folder-or-exit next-entity))
5108                (format
5109                 "No more unread messages. Type SPC to go to %s."
5110                 (wl-summary-entity-info-msg next-entity finfo)))))))))
5111
5112 (defun wl-summary-goto-last-displayed-msg ()
5113   (interactive)
5114   (unless wl-summary-buffer-last-displayed-msg
5115     (setq wl-summary-buffer-last-displayed-msg
5116           wl-summary-buffer-current-msg))
5117   (if wl-summary-buffer-last-displayed-msg
5118       (progn
5119         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
5120         (if wl-summary-buffer-disp-msg
5121             (wl-summary-redisplay)))
5122     (message "No last message.")))
5123
5124 (defun wl-summary-redisplay (&optional arg)
5125   (interactive "P")
5126   (if (and (not arg)
5127            (wl-summary-no-mime-p wl-summary-buffer-elmo-folder))
5128       (wl-summary-redisplay-no-mime)
5129     (wl-summary-redisplay-internal nil nil arg)))
5130
5131 (defsubst wl-summary-redisplay-internal (&optional folder number force-reload)
5132   (interactive)
5133   (let* ((msgdb (wl-summary-buffer-msgdb))
5134          (folder (or folder wl-summary-buffer-elmo-folder))
5135          (num (or number (wl-summary-message-number)))
5136          (wl-mime-charset      wl-summary-buffer-mime-charset)
5137          (default-mime-charset wl-summary-buffer-mime-charset)
5138          fld-buf fld-win thr-entity)
5139     (if (and wl-thread-open-reading-thread
5140              (eq wl-summary-buffer-view 'thread)
5141              (not (wl-thread-entity-get-opened
5142                    (setq thr-entity (wl-thread-get-entity
5143                                      num))))
5144              (wl-thread-entity-get-children thr-entity))
5145         (wl-thread-force-open))
5146     (if num
5147         (progn
5148           (setq wl-summary-buffer-disp-msg t)
5149           (setq wl-summary-buffer-last-displayed-msg
5150                 wl-summary-buffer-current-msg)
5151           ;; hide folder window
5152           (if (and (not wl-stay-folder-window)
5153                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
5154               (if (setq fld-win (get-buffer-window fld-buf))
5155                   (delete-window fld-win)))
5156           (setq wl-current-summary-buffer (current-buffer))
5157           (wl-summary-mark-as-read
5158            num
5159            ;; not fetched, then change server-mark.
5160            (if (wl-message-redisplay folder num 'mime
5161                                      (or force-reload
5162                                          (string= (elmo-folder-name-internal
5163                                                    folder)
5164                                                   wl-draft-folder)))
5165                nil
5166              ;; plugged, then leave server-mark.
5167              (if (and
5168                   (not
5169                    (elmo-folder-local-p
5170                     wl-summary-buffer-elmo-folder))
5171                   (elmo-folder-plugged-p
5172                    wl-summary-buffer-elmo-folder))
5173                  'leave)))
5174           (setq wl-summary-buffer-current-msg num)
5175           (when wl-summary-recenter
5176             (recenter (/ (- (window-height) 2) 2))
5177             (if (not wl-summary-indent-length-limit)
5178                 (wl-horizontal-recenter)))
5179           (wl-highlight-summary-displaying)
5180           (wl-message-buffer-prefetch-next folder num
5181                                            wl-message-buffer-prefetch-depth
5182                                            (current-buffer)
5183                                            wl-summary-buffer-mime-charset)
5184           (run-hooks 'wl-summary-redisplay-hook))
5185       (message "No message to display."))))
5186
5187 (defun wl-summary-redisplay-no-mime (&optional ask-coding)
5188   "Display message without MIME decoding.
5189 If ASK-CODING is non-nil, coding-system for the message is asked."
5190   (interactive "P")
5191   (let ((elmo-mime-display-as-is-coding-system
5192          (if ask-coding
5193              (or (read-coding-system "Coding system: ")
5194                  elmo-mime-display-as-is-coding-system)
5195            elmo-mime-display-as-is-coding-system)))
5196     (wl-summary-redisplay-no-mime-internal)))
5197
5198 (defun wl-summary-redisplay-no-mime-internal (&optional folder number)
5199   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
5200          (num (or number (wl-summary-message-number)))
5201          wl-break-pages)
5202     (if num
5203         (progn
5204           (setq wl-summary-buffer-disp-msg t)
5205           (setq wl-summary-buffer-last-displayed-msg
5206                 wl-summary-buffer-current-msg)
5207           (setq wl-current-summary-buffer (current-buffer))
5208           (wl-message-redisplay fld num 'as-is
5209                                 (string= (elmo-folder-name-internal fld)
5210                                          wl-draft-folder))
5211           (wl-summary-mark-as-read num)
5212           (setq wl-summary-buffer-current-msg num)
5213           (when wl-summary-recenter
5214             (recenter (/ (- (window-height) 2) 2))
5215             (if (not wl-summary-indent-length-limit)
5216                 (wl-horizontal-recenter)))
5217           (wl-highlight-summary-displaying)
5218           (run-hooks 'wl-summary-redisplay-hook))
5219       (message "No message to display.")
5220       (wl-ask-folder 'wl-summary-exit
5221                      "No more messages. Type SPC to go to folder mode."))))
5222
5223 (defun wl-summary-redisplay-all-header (&optional folder number)
5224   (interactive)
5225   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
5226          (num (or number (wl-summary-message-number)))
5227          (wl-mime-charset      wl-summary-buffer-mime-charset)
5228          (default-mime-charset wl-summary-buffer-mime-charset))
5229     (if num
5230         (progn
5231           (setq wl-summary-buffer-disp-msg t)
5232           (setq wl-summary-buffer-last-displayed-msg
5233                 wl-summary-buffer-current-msg)
5234           (setq wl-current-summary-buffer (current-buffer))
5235           (if (wl-message-redisplay fld num 'all-header
5236                                     (string= (elmo-folder-name-internal fld)
5237                                              wl-draft-folder))
5238               (wl-summary-mark-as-read num))
5239           (setq wl-summary-buffer-current-msg num)
5240           (when wl-summary-recenter
5241             (recenter (/ (- (window-height) 2) 2))
5242             (if (not wl-summary-indent-length-limit)
5243                 (wl-horizontal-recenter)))
5244           (wl-highlight-summary-displaying)
5245           (run-hooks 'wl-summary-redisplay-hook))
5246       (message "No message to display."))))
5247
5248 (defun wl-summary-jump-to-current-message ()
5249   "Jump into Message buffer."
5250   (interactive)
5251   (let (message-buf message-win)
5252     (if (setq message-buf wl-message-buffer)
5253         (if (setq message-win (get-buffer-window message-buf))
5254             (select-window message-win)
5255           (wl-message-select-buffer wl-message-buffer))
5256       (wl-summary-redisplay)
5257       (wl-message-select-buffer wl-message-buffer))))
5258
5259 (defun wl-summary-cancel-message ()
5260   "Cancel an article on news."
5261   (interactive)
5262   (if (null (wl-summary-message-number))
5263       (message "No message.")
5264     (let ((summary-buf (current-buffer))
5265           message-buf)
5266       (wl-summary-set-message-buffer-or-redisplay)
5267       (if (setq message-buf (wl-message-get-original-buffer))
5268           (set-buffer message-buf))
5269       (unless (wl-message-news-p)
5270         (set-buffer summary-buf)
5271         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
5272                      'nntp)
5273                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
5274             (progn
5275               (wl-summary-redisplay t)
5276               (wl-summary-supersedes-message))
5277           (error "This is not a news article; supersedes is impossible")))
5278       (when (yes-or-no-p "Do you really want to cancel this article? ")
5279         (let (from newsgroups message-id distribution buf)
5280           (save-excursion
5281             (setq from (std11-field-body "from")
5282                   newsgroups (std11-field-body "newsgroups")
5283                   message-id (std11-field-body "message-id")
5284                   distribution (std11-field-body "distribution"))
5285             ;; Make sure that this article was written by the user.
5286             (unless (wl-address-user-mail-address-p
5287                      (wl-address-header-extract-address
5288                       (car (wl-parse-addresses from))))
5289               (error "This article is not yours"))
5290             ;; Make control message.
5291             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
5292             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
5293             (buffer-disable-undo (current-buffer))
5294             (erase-buffer)
5295             (insert "Newsgroups: " newsgroups "\n"
5296                     "From: " (wl-address-header-extract-address
5297                               wl-from) "\n"
5298                               "Subject: cmsg cancel " message-id "\n"
5299                               "Control: cancel " message-id "\n"
5300                               (if distribution
5301                                   (concat "Distribution: " distribution "\n")
5302                                 "")
5303                               mail-header-separator "\n"
5304                               wl-summary-cancel-message)
5305             (message "Canceling your message...")
5306             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
5307             (message "Canceling your message...done")))))))
5308
5309 (defun wl-summary-supersedes-message ()
5310   "Supersede current message."
5311   (interactive)
5312   (let ((summary-buf (current-buffer))
5313         message-buf from)
5314     (wl-summary-set-message-buffer-or-redisplay)
5315     (if (setq message-buf (wl-message-get-original-buffer))
5316         (set-buffer message-buf))
5317     (unless (wl-message-news-p)
5318       (set-buffer summary-buf)
5319       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
5320                    'nntp)
5321                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
5322           (progn
5323             (wl-summary-redisplay t)
5324             (wl-summary-supersedes-message))
5325         (error "This is not a news article; supersedes is impossible")))
5326     (save-excursion
5327       (setq from (std11-field-body "from"))
5328       ;; Make sure that this article was written by the user.
5329       (unless (wl-address-user-mail-address-p
5330                (wl-address-header-extract-address
5331                 (car (wl-parse-addresses from))))
5332         (error "This article is not yours"))
5333       (let* ((message-id (std11-field-body "message-id"))
5334              (followup-to (std11-field-body "followup-to"))
5335              (mail-default-headers
5336               (concat mail-default-headers
5337                       "Supersedes: " message-id "\n"
5338                       (and followup-to
5339                            (concat "Followup-To: " followup-to "\n")))))
5340         (if message-buf (set-buffer message-buf))
5341         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
5342
5343 (defun wl-summary-save (&optional arg wl-save-dir)
5344   "Save current message to disk."
5345   (interactive)
5346   (let ((filename)
5347         (num (wl-summary-message-number)))
5348     (if (null wl-save-dir)
5349         (setq wl-save-dir wl-temporary-file-directory))
5350     (if num
5351         (save-excursion
5352           (setq filename (expand-file-name
5353                           (int-to-string num)
5354                           wl-save-dir))
5355           (if (null (and arg
5356                          (null (file-exists-p filename))))
5357               (setq filename
5358                     (read-file-name "Save to file: " filename)))
5359
5360           (wl-summary-set-message-buffer-or-redisplay)
5361           (set-buffer (wl-message-get-original-buffer))
5362           (if (and (null arg) (file-exists-p filename))
5363               (if (y-or-n-p "File already exists.  override it? ")
5364                   (write-region (point-min) (point-max) filename))
5365             (write-region (point-min) (point-max) filename)))
5366       (message "No message to save."))
5367     num))
5368
5369 (defun wl-summary-save-region (beg end)
5370   (interactive "r")
5371   (save-excursion
5372     (save-restriction
5373       (narrow-to-region beg end)
5374       (goto-char (point-min))
5375       (let ((wl-save-dir
5376              (wl-read-directory-name "Save to directory: "
5377                                      wl-temporary-file-directory)))
5378         (if (null (file-exists-p wl-save-dir))
5379             (make-directory wl-save-dir))
5380         (if (eq wl-summary-buffer-view 'thread)
5381             (progn
5382               (while (not (eobp))
5383                 (let* ((number (wl-summary-message-number))
5384                        (entity (wl-thread-get-entity number)))
5385                   (if (wl-thread-entity-get-opened entity)
5386                       (wl-summary-save t wl-save-dir)
5387                     ;; closed
5388                     (wl-summary-save t wl-save-dir))
5389                   (forward-line 1))))
5390           (while (not (eobp))
5391             (wl-summary-save t wl-save-dir)
5392             (forward-line 1)))))))
5393
5394 ;; mew-summary-pipe-message()
5395 (defun wl-summary-pipe-message (prefix command)
5396   "Send this message via pipe."
5397   (interactive (list current-prefix-arg nil))
5398   (if (null (wl-summary-message-number))
5399       (message "No message.")
5400     (setq command (read-string "Shell command on message: "
5401                                wl-summary-shell-command-last))
5402     (if (y-or-n-p "Send this message to pipe? ")
5403         (wl-summary-pipe-message-subr prefix command))))
5404
5405 (defun wl-summary-target-mark-pipe (prefix command)
5406   "Send each marked messages via pipe."
5407   (interactive (list current-prefix-arg nil))
5408   (if (null wl-summary-buffer-target-mark-list)
5409       (message "No marked message.")
5410     (setq command (read-string "Shell command on each marked message: "
5411                                wl-summary-shell-command-last))
5412     (when (y-or-n-p "Send each marked message to pipe? ")
5413       (while (car wl-summary-buffer-target-mark-list)
5414         (let ((num (car wl-summary-buffer-target-mark-list)))
5415           (wl-thread-jump-to-msg num)
5416           (wl-summary-pipe-message-subr prefix command)
5417           (wl-summary-unmark num))))))
5418
5419 (defun wl-summary-pipe-message-subr (prefix command)
5420   (save-excursion
5421     (wl-summary-set-message-buffer-or-redisplay)
5422     (set-buffer (wl-message-get-original-buffer))
5423     (if (string= command "")
5424         (setq command wl-summary-shell-command-last))
5425     (goto-char (point-min)) ; perhaps this line won't be necessary
5426     (if prefix
5427         (search-forward "\n\n"))
5428     (shell-command-on-region (point) (point-max) command nil)
5429     (setq wl-summary-shell-command-last command)))
5430
5431 (defun wl-summary-print-message (&optional arg)
5432   (interactive "P")
5433   (if (null (wl-summary-message-number))
5434       (message "No message.")
5435     (save-excursion
5436       (wl-summary-set-message-buffer-or-redisplay)
5437       (if (or (not (interactive-p))
5438               (y-or-n-p "Print ok? "))
5439           (progn
5440             (let ((buffer (generate-new-buffer " *print*")))
5441               (copy-to-buffer buffer (point-min) (point-max))
5442               (set-buffer buffer)
5443               (funcall wl-print-buffer-function)
5444               (kill-buffer buffer)))
5445         (message "")))))
5446
5447 (defun wl-summary-print-message-with-ps-print (&optional filename)
5448   "Print message via ps-print."
5449   (interactive)
5450   (if (null (wl-summary-message-number))
5451       (message "No message.")
5452     (setq filename (ps-print-preprint current-prefix-arg))
5453     (if (or (not (interactive-p))
5454             (y-or-n-p "Print ok? "))
5455         (let ((summary-buffer (current-buffer))
5456               wl-break-pages)
5457           (save-excursion
5458             (wl-summary-set-message-buffer-or-redisplay)
5459             ;; (wl-summary-redisplay-internal)
5460             (let* ((buffer (generate-new-buffer " *print*"))
5461                    (entity (progn
5462                              (set-buffer summary-buffer)
5463                              (assoc (cdr (assq
5464                                           (wl-summary-message-number)
5465                                           (elmo-msgdb-get-number-alist
5466                                            (wl-summary-buffer-msgdb))))
5467                                     (elmo-msgdb-get-overview
5468                                      (wl-summary-buffer-msgdb)))))
5469                    (wl-ps-subject
5470                     (and entity
5471                          (or (elmo-msgdb-overview-entity-get-subject entity)
5472                              "")))
5473                    (wl-ps-from
5474                     (and entity
5475                          (or (elmo-msgdb-overview-entity-get-from entity) "")))
5476                    (wl-ps-date
5477                     (and entity
5478                          (or (elmo-msgdb-overview-entity-get-date entity) ""))))
5479               (run-hooks 'wl-ps-preprint-hook)
5480               (set-buffer wl-message-buffer)
5481               (copy-to-buffer buffer (point-min) (point-max))
5482               (set-buffer buffer)
5483               (unwind-protect
5484                   (let ((ps-left-header
5485                          (list (concat "(" wl-ps-subject ")")
5486                                (concat "(" wl-ps-from ")")))
5487                         (ps-right-header
5488                          (list "/pagenumberstring load"
5489                                (concat "(" wl-ps-date ")"))))
5490                     (run-hooks 'wl-ps-print-hook)
5491                     (funcall wl-ps-print-buffer-function filename))
5492                 (kill-buffer buffer)))))
5493       (message ""))))
5494
5495 (if (featurep 'ps-print) ; ps-print is available.
5496     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
5497
5498 (defun wl-summary-target-mark-print ()
5499   (interactive)
5500   (if (null wl-summary-buffer-target-mark-list)
5501       (message "No marked message.")
5502     (when (y-or-n-p "Print all marked messages. OK? ")
5503       (while (car wl-summary-buffer-target-mark-list)
5504         (let ((num (car wl-summary-buffer-target-mark-list)))
5505           (wl-thread-jump-to-msg num)
5506           (wl-summary-print-message)
5507           (wl-summary-unmark num))))))
5508
5509 (defun wl-summary-folder-info-update ()
5510   (let ((folder (elmo-string (wl-summary-buffer-folder-name)))
5511         (num-db (elmo-msgdb-get-number-alist
5512                  (wl-summary-buffer-msgdb))))
5513     (wl-folder-set-folder-updated folder
5514                                   (list 0
5515                                         (+ wl-summary-buffer-unread-count
5516                                            wl-summary-buffer-new-count)
5517                                         (length num-db)))))
5518
5519 (defun wl-summary-get-original-buffer ()
5520   "Get original buffer for the current summary."
5521   (save-excursion
5522     (wl-summary-set-message-buffer-or-redisplay)
5523     (wl-message-get-original-buffer)))
5524
5525 (defun wl-summary-pack-number (&optional arg)
5526   (interactive "P")
5527   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
5528   (let (wl-use-scoring)
5529     (wl-summary-rescan)))
5530
5531 (defun wl-summary-target-mark-uudecode ()
5532   (interactive)
5533   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
5534         (summary-buf (current-buffer))
5535         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
5536         orig-buf i k filename rc errmsg)
5537     (setq i 1)
5538     (setq k (length mlist))
5539     (set-buffer tmp-buf)
5540     (erase-buffer)
5541     (save-window-excursion
5542       (while mlist
5543         (set-buffer summary-buf)
5544         (wl-summary-jump-to-msg (car mlist))
5545         (wl-summary-redisplay)
5546         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
5547         (goto-char (point-min))
5548         (cond ((= i 1) ; first
5549                (if (setq filename (wl-message-uu-substring
5550                                    orig-buf tmp-buf t
5551                                    (= i k)))
5552                    nil
5553                  (error "Can't find begin line")))
5554               ((< i k)
5555                (wl-message-uu-substring orig-buf tmp-buf))
5556               (t ; last
5557                (wl-message-uu-substring orig-buf tmp-buf nil t)))
5558         (setq i (1+ i))
5559         (setq mlist (cdr mlist)))
5560       (set-buffer tmp-buf)
5561       (message "Exec %s..." wl-prog-uudecode)
5562       (unwind-protect
5563           (let ((decode-dir wl-temporary-file-directory))
5564             (if (not wl-prog-uudecode-no-stdout-option)
5565                 (setq filename (read-file-name "Save to file: "
5566                                                (expand-file-name
5567                                                 (elmo-safe-filename filename)
5568                                                 wl-temporary-file-directory)))
5569               (setq decode-dir
5570                     (wl-read-directory-name "Save to directory: "
5571                                             wl-temporary-file-directory))
5572               (setq filename (expand-file-name filename decode-dir)))
5573             (if (file-exists-p filename)
5574                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
5575                                          filename))
5576                     (error "")))
5577             (elmo-bind-directory
5578              decode-dir
5579              (setq rc
5580                    (as-binary-process
5581                     (apply 'call-process-region (point-min) (point-max)
5582                            wl-prog-uudecode t (current-buffer) nil
5583                            wl-prog-uudecode-arg))))
5584             (when (not (= 0 rc))
5585               (setq errmsg (buffer-substring (point-min)(point-max)))
5586               (error "Uudecode error: %s" errmsg))
5587             (if (not wl-prog-uudecode-no-stdout-option)
5588                 (let (file-name-handler-alist) ;; void jka-compr
5589                   (as-binary-output-file
5590                    (write-region (point-min) (point-max)
5591                                  filename nil 'no-msg))))
5592             (save-excursion
5593               (set-buffer summary-buf)
5594               (wl-summary-delete-all-temp-marks))
5595             (if (file-exists-p filename)
5596                 (message "Saved as %s" filename)))
5597         (kill-buffer tmp-buf)))))
5598
5599 ;; Someday
5600 ;; (defun wl-summary-drop-unsync ()
5601 ;;   "Drop all unsync messages."
5602 ;;   (interactive)
5603 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
5604 ;;       (error "You cannot drop unsync messages in this folder"))
5605 ;;   (if (or (not (interactive-p))
5606 ;;        (y-or-n-p "Drop all unsync messages? "))
5607 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
5608 ;;                         (wl-summary-buffer-folder-name)))
5609 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
5610 ;;           (sum 0)
5611 ;;           (multi-num 0)
5612 ;;           pair)
5613 ;;      (message "Dropping...")
5614 ;;      (while folder-list
5615 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
5616 ;;        (when is-multi ;; dirty hack...
5617 ;;          (incf multi-num)
5618 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
5619 ;;                          (car pair))))
5620 ;;        (elmo-msgdb-set-number-alist
5621 ;;         (wl-summary-buffer-msgdb)
5622 ;;         (nconc
5623 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5624 ;;          (list (cons (car pair) nil))))
5625 ;;        (setq sum (+ sum (cdr pair)))
5626 ;;        (setq folder-list (cdr folder-list)))
5627 ;;      (wl-summary-set-message-modified)
5628 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5629 ;;                                    (list 0
5630 ;;                                          (+ wl-summary-buffer-unread-count
5631 ;;                                             wl-summary-buffer-new-count)
5632 ;;                                          sum))
5633 ;;      (message "Dropping...done"))))
5634
5635 (defun wl-summary-default-get-next-msg (msg)
5636   (or (wl-summary-next-message msg
5637                                (if wl-summary-move-direction-downward 'down
5638                                  'up)
5639                                nil)
5640       (cadr (memq msg (if wl-summary-move-direction-downward
5641                           wl-summary-buffer-number-list
5642                         (reverse wl-summary-buffer-number-list))))))
5643
5644 (defun wl-summary-save-current-message ()
5645   "Save current message for `wl-summary-yank-saved-message'."
5646   (interactive)
5647   (let ((number (wl-summary-message-number)))
5648     (setq wl-summary-buffer-saved-message number)
5649     (and number (message "No: %s is saved." number))))
5650
5651 (defun wl-summary-yank-saved-message ()
5652   "Set current message as a parent of the saved message."
5653   (interactive)
5654   (if wl-summary-buffer-saved-message
5655       (let ((number (wl-summary-message-number)))
5656         (if (eq wl-summary-buffer-saved-message number)
5657             (message "Cannot set itself as a parent.")
5658           (save-excursion
5659             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5660             (wl-thread-set-parent number)
5661             (wl-summary-set-thread-modified))
5662           (setq  wl-summary-buffer-saved-message nil)))
5663     (message "There's no saved message.")))
5664
5665 (require 'product)
5666 (product-provide (provide 'wl-summary) (require 'wl-version))
5667
5668 ;;; wl-summary.el ends here