wl/wl-summary.el

   1 ;;; wl-summary.el --- Summary mode for Wanderlust.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4 ;; Copyright (C) 1998,1999,2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
   5 ;; Copyright (C) 1999,2000      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
   6 ;; Copyright (C) 1999,2000      Kenichi OKADA <okada@opaopa.org>
   7
   8 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   9 ;;      Masahiro MURATA <muse@ba2.so-net.ne.jp>
  10 ;;      TSUMURA Tomoaki <tsumura@kuis.kyoto-u.ac.jp>
  11 ;;      Kenichi OKADA <okada@opaopa.org>
  12 ;; Keywords: mail, net news
  13
  14 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  15
  16 ;; This program is free software; you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation; either version 2, or (at your option)
  19 ;; any later version.
  20 ;;
  21 ;; This program is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25 ;;
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  29 ;; Boston, MA 02111-1307, USA.
  30 ;;
  31
  32 ;;; Commentary:
  33 ;;
  34
  35 ;;; Code:
  36 ;;
  37
  38 (require 'elmo)
  39 (require 'elmo-multi)
  40 (require 'wl-message)
  41 (require 'wl-vars)
  42 (require 'wl-highlight)
  43 (require 'wl-refile)
  44 (require 'wl-util)
  45 (condition-case nil (require 'timezone) (error nil))
  46 (condition-case nil (require 'easymenu) (error nil))
  47 (require 'elmo-date)
  48 (condition-case nil (require 'ps-print) (error nil))
  49
  50 (eval-when-compile
  51   (require 'cl)
  52   (condition-case () (require 'timer) (error nil))
  53   (defalias-maybe 'ps-print-buffer-with-faces 'ignore)
  54   (defalias-maybe 'elmo-database-msgid-put 'ignore)
  55   (defalias-maybe 'elmo-database-close 'ignore)
  56   (defalias-maybe 'elmo-database-msgid-get 'ignore)
  57   (defalias-maybe 'run-with-idle-timer 'ignore)
  58   (defalias-maybe 'ps-print-preprint 'ignore))
  59
  60 (defvar dragdrop-drop-functions)
  61 (defvar scrollbar-height)
  62 (defvar mail-reply-buffer)
  63 (defvar elmo-global-flag-list)
  64
  65 (defvar wl-summary-buffer-name "Summary")
  66 (defvar wl-summary-mode-map nil)
  67 (defvar wl-current-summary-buffer nil)
  68
  69 (defvar wl-summary-buffer-elmo-folder nil)
  70
  71 (defmacro wl-summary-buffer-folder-name ()
  72   (` (and wl-summary-buffer-elmo-folder
  73           (elmo-folder-name-internal wl-summary-buffer-elmo-folder))))
  74
  75 (defvar wl-summary-buffer-disp-msg    nil)
  76 (defvar wl-summary-buffer-disp-folder nil)
  77 (defvar wl-summary-buffer-temp-mark-list nil)
  78 (defvar wl-summary-buffer-last-displayed-msg nil)
  79 (defvar wl-summary-buffer-current-msg nil)
  80 (defvar wl-summary-buffer-unread-count 0)
  81 (defvar wl-summary-buffer-new-count    0)
  82 (defvar wl-summary-buffer-answered-count 0)
  83 (defvar wl-summary-buffer-mime-charset  nil)
  84 (defvar wl-summary-buffer-weekday-name-lang  nil)
  85 (defvar wl-summary-buffer-thread-indent-set-alist  nil)
  86 (defvar wl-summary-buffer-view nil)
  87 (defvar wl-summary-buffer-message-modified nil)
  88 (defvar wl-summary-buffer-thread-modified nil)
  89
  90 (defvar wl-summary-buffer-number-column nil)
  91 (defvar wl-summary-buffer-temp-mark-column nil)
  92 (defvar wl-summary-buffer-persistent-mark-column nil)
  93
  94 (defvar wl-summary-buffer-unsync-mark-number-list nil)
  95
  96 (defvar wl-summary-buffer-persistent nil)
  97 (defvar wl-summary-buffer-thread-nodes nil)
  98 (defvar wl-summary-buffer-target-mark-list nil)
  99 (defvar wl-summary-buffer-prev-refile-destination nil)
 100 (defvar wl-summary-buffer-saved-message nil)
 101 (defvar wl-summary-buffer-prev-folder-function nil)
 102 (defvar wl-summary-buffer-next-folder-function nil)
 103 (defvar wl-summary-buffer-exit-function nil)
 104 (defvar wl-summary-buffer-next-message-function nil)
 105 (defvar wl-summary-buffer-window-scroll-functions nil)
 106 (defvar wl-summary-buffer-number-list nil)
 107 (defvar wl-summary-buffer-folder-name nil)
 108 (defvar wl-summary-buffer-line-formatter nil)
 109 (defvar wl-summary-buffer-line-format nil)
 110 (defvar wl-summary-buffer-mode-line-formatter nil)
 111 (defvar wl-summary-buffer-mode-line nil)
 112
 113 (defvar wl-thread-indent-level-internal nil)
 114 (defvar wl-thread-have-younger-brother-str-internal nil)
 115 (defvar wl-thread-youngest-child-str-internal nil)
 116 (defvar wl-thread-vertical-str-internal nil)
 117 (defvar wl-thread-horizontal-str-internal nil)
 118 (defvar wl-thread-space-str-internal nil)
 119 (defvar wl-summary-last-visited-folder nil)
 120 (defvar wl-read-folder-history nil)
 121 (defvar wl-summary-scored nil)
 122 (defvar wl-crosspost-alist-modified nil)
 123 (defvar wl-summary-alike-hashtb nil)
 124 (defvar wl-summary-search-buf-name " *wl-search-subject*")
 125 (defvar wl-summary-delayed-update nil)
 126 (defvar wl-summary-search-buf-folder-name nil)
 127
 128 (defvar wl-summary-get-petname-function 'wl-address-get-petname-1)
 129
 130 (defvar wl-summary-shell-command-last "")
 131
 132 (defvar wl-ps-preprint-hook nil)
 133 (defvar wl-ps-print-hook nil)
 134
 135 (defvar wl-thread-saved-entity-hashtb-internal nil)
 136
 137 (make-variable-buffer-local 'wl-summary-buffer-elmo-folder)
 138 (make-variable-buffer-local 'wl-summary-search-buf-folder-name)
 139 (make-variable-buffer-local 'wl-summary-buffer-disp-msg)
 140 (make-variable-buffer-local 'wl-summary-buffer-disp-folder)
 141 (make-variable-buffer-local 'wl-summary-buffer-target-mark-list)
 142 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-list)
 143 (make-variable-buffer-local 'wl-summary-buffer-last-displayed-msg)
 144 (make-variable-buffer-local 'wl-summary-buffer-unread-count)
 145 (make-variable-buffer-local 'wl-summary-buffer-new-count)
 146 (make-variable-buffer-local 'wl-summary-buffer-answered-count)
 147 (make-variable-buffer-local 'wl-summary-buffer-mime-charset)
 148 (make-variable-buffer-local 'wl-summary-buffer-weekday-name-lang)
 149 (make-variable-buffer-local 'wl-summary-buffer-thread-indent-set)
 150 (make-variable-buffer-local 'wl-summary-buffer-view)
 151 (make-variable-buffer-local 'wl-summary-buffer-message-modified)
 152 (make-variable-buffer-local 'wl-summary-buffer-thread-modified)
 153 (make-variable-buffer-local 'wl-summary-buffer-number-column)
 154 (make-variable-buffer-local 'wl-summary-buffer-temp-mark-column)
 155 (make-variable-buffer-local 'wl-summary-buffer-persistent-mark-column)
 156 (make-variable-buffer-local 'wl-summary-buffer-unsync-mark-number-list)
 157 (make-variable-buffer-local 'wl-summary-buffer-persistent)
 158 (make-variable-buffer-local 'wl-summary-buffer-thread-nodes)
 159 (make-variable-buffer-local 'wl-summary-buffer-prev-refile-destination)
 160 (make-variable-buffer-local 'wl-summary-buffer-saved-message)
 161 (make-variable-buffer-local 'wl-summary-scored)
 162 (make-variable-buffer-local 'wl-summary-default-score)
 163 (make-variable-buffer-local 'wl-summary-move-direction-downward)
 164 (make-variable-buffer-local 'wl-summary-important-above)
 165 (make-variable-buffer-local 'wl-summary-target-above)
 166 (make-variable-buffer-local 'wl-summary-mark-below)
 167 (make-variable-buffer-local 'wl-summary-expunge-below)
 168 (make-variable-buffer-local 'wl-thread-indent-level-internal)
 169 (make-variable-buffer-local 'wl-thread-have-younger-brother-str-internal)
 170 (make-variable-buffer-local 'wl-thread-youngest-child-str-internal)
 171 (make-variable-buffer-local 'wl-thread-vertical-str-internal)
 172 (make-variable-buffer-local 'wl-thread-horizontal-str-internal)
 173 (make-variable-buffer-local 'wl-thread-space-str-internal)
 174 (make-variable-buffer-local 'wl-summary-buffer-prev-folder-function)
 175 (make-variable-buffer-local 'wl-summary-buffer-next-folder-function)
 176 (make-variable-buffer-local 'wl-summary-buffer-exit-function)
 177 (make-variable-buffer-local 'wl-summary-buffer-next-message-function)
 178 (make-variable-buffer-local 'wl-summary-buffer-window-scroll-functions)
 179 (make-variable-buffer-local 'wl-summary-buffer-number-list)
 180 (make-variable-buffer-local 'wl-summary-buffer-folder-name)
 181 (make-variable-buffer-local 'wl-summary-buffer-line-formatter)
 182 (make-variable-buffer-local 'wl-summary-buffer-line-format)
 183 (make-variable-buffer-local 'wl-summary-buffer-mode-line-formatter)
 184 (make-variable-buffer-local 'wl-summary-buffer-mode-line)
 185
 186 (defvar wl-datevec)
 187 (defvar wl-thr-indent-string)
 188 (defvar wl-thr-children-number)
 189 (defvar wl-thr-linked)
 190 (defvar wl-message-entity)
 191 (defvar wl-parent-message-entity)
 192 (defvar wl-temp-mark)
 193 (defvar wl-persistent-mark)
 194
 195 (defmacro wl-summary-sticky-buffer-name (name)
 196   (` (concat wl-summary-buffer-name ":" (, name))))
 197
 198 (defun wl-summary-default-subject (subject-string)
 199   (if (string-match "^[ \t]*\\[[^:]+[,: ][0-9]+\\][ \t]*" subject-string)
 200       (substring subject-string (match-end 0))
 201     subject-string))
 202
 203 (defun wl-summary-default-from (from)
 204   "Instance of `wl-summary-from-function'.
 205 Ordinarily returns the sender name. Returns recipient names if (1)
 206 summary's folder name matches with `wl-summary-showto-folder-regexp'
 207 and (2) sender address is yours.
 208
 209 See also variable `wl-use-petname'."
 210   (let (retval tos ng)
 211     (unless
 212         (and (eq major-mode 'wl-summary-mode)
 213              (stringp wl-summary-showto-folder-regexp)
 214              (string-match wl-summary-showto-folder-regexp
 215                            (wl-summary-buffer-folder-name))
 216              (wl-address-user-mail-address-p from)
 217              (cond
 218               ((and (setq tos (elmo-message-entity-field
 219                                wl-message-entity 'to t))
 220                     (not (string= "" tos)))
 221                (setq retval
 222                      (concat "To:"
 223                              (mapconcat
 224                               (function
 225                                (lambda (to)
 226                                  (eword-decode-string
 227                                   (if wl-use-petname
 228                                       (or
 229                                        (funcall
 230                                         wl-summary-get-petname-function to)
 231                                        (car
 232                                         (std11-extract-address-components to))
 233                                        to)
 234                                     to))))
 235                               (wl-parse-addresses tos)
 236                               ","))))
 237               ((setq ng (elmo-message-entity-field
 238                          wl-message-entity 'newsgroups))
 239                (setq retval (concat "Ng:" ng)))))
 240       (if wl-use-petname
 241           (setq retval (or (funcall wl-summary-get-petname-function from)
 242                            (car (std11-extract-address-components from))
 243                            from))
 244         (setq retval from)))
 245     retval))
 246
 247 (defun wl-summary-simple-from (string)
 248   (if wl-use-petname
 249       (or (funcall wl-summary-get-petname-function string)
 250           (car (std11-extract-address-components string))
 251           string)
 252     string))
 253
 254 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 255 (defvar wl-summary-default-sort-spec 'date)
 256
 257 (defvar wl-summary-mode-menu-spec
 258   '("Summary"
 259     ["Read" wl-summary-read t]
 260     ["Prev page" wl-summary-prev-page t]
 261     ["Next page" wl-summary-next-page t]
 262     ["Top"       wl-summary-display-top t]
 263     ["Bottom"    wl-summary-display-bottom t]
 264     ["Prev"      wl-summary-prev t]
 265     ["Next"      wl-summary-next t]
 266     ["Up"        wl-summary-up t]
 267     ["Down"      wl-summary-down t]
 268     ["Parent message" wl-summary-jump-to-parent-message t]
 269     "----"
 270     ["Sync"            wl-summary-sync t]
 271     ["Execute"         wl-summary-exec t]
 272     ["Go to other folder" wl-summary-goto-folder t]
 273     ["Pick" wl-summary-pick t]
 274     ["Mark as read all" wl-summary-mark-as-read-all t]
 275     ["Unmark all"      wl-summary-unmark-all t]
 276     ["Toggle display message" wl-summary-toggle-disp-msg t]
 277     ["Display folder" wl-summary-toggle-disp-folder t]
 278     ["Toggle threading" wl-summary-toggle-thread t]
 279     ["Stick" wl-summary-stick t]
 280     ("Sort"
 281      ["By Number" wl-summary-sort-by-number t]
 282      ["By Size" wl-summary-sort-by-size t]
 283      ["By Date" wl-summary-sort-by-date t]
 284      ["By From" wl-summary-sort-by-from t]
 285      ["By Subject" wl-summary-sort-by-subject t]
 286      ["By List Info" wl-summary-sort-by-list-info t])
 287     "----"
 288     ("Message Operation"
 289      ["Mark as read"    wl-summary-mark-as-read t]
 290      ["Set flags"       wl-summary-set-flags t]
 291      ["Mark as unread"   wl-summary-mark-as-unread t]
 292      ["Mark as answered" wl-summary-mark-as-answered t]
 293      ["Set dispose mark" wl-summary-dispose t]
 294      ["Set refile mark" wl-summary-refile t]
 295      ["Set copy mark"   wl-summary-copy t]
 296      ["Set resend mark" wl-summary-resend t]
 297      ["Prefetch"        wl-summary-prefetch t]
 298      ["Set target mark" wl-summary-target-mark t]
 299      ["Unmark"          wl-summary-unmark t]
 300      ["Save"            wl-summary-save t]
 301      ["Cancel posted news" wl-summary-cancel-message t]
 302      ["Supersedes message" wl-summary-supersedes-message t]
 303      ["Resend bounced mail" wl-summary-resend-bounced-mail 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      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 313      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 314      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 315      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 316      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 317      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 318      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 319      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 320      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 321      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 322      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 323     ("Region Operation"
 324      ["Mark as read" wl-summary-mark-as-read-region t]
 325      ["Set flags" wl-summary-set-flags-region t]
 326      ["Mark as unread" wl-summary-mark-as-unread-region t]
 327      ["Mark as answered" wl-summary-mark-as-answered-region t]
 328      ["Set dispose mark" wl-summary-dispose-region t]
 329      ["Set refile mark" wl-summary-refile-region t]
 330      ["Set copy mark" wl-summary-copy-region t]
 331      ["Prefetch" wl-summary-prefetch-region t]
 332      ["Set target mark" wl-summary-target-mark-region t]
 333      ["Unmark" wl-summary-unmark-region t]
 334      ["Save" wl-summary-save-region t]
 335      ["Execute" wl-summary-exec-region t])
 336     ("Mark Operation"
 337      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 338      ["Set flags" wl-summary-target-mark-set-flags t]
 339      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 340      ["Set delete mark" wl-summary-target-mark-delete t]
 341      ["Set refile mark" wl-summary-target-mark-refile t]
 342      ["Set copy mark" wl-summary-target-mark-copy t]
 343      ["Prefetch" wl-summary-target-mark-prefetch t]
 344      ["Save" wl-summary-target-mark-save t]
 345      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 346      ["Forward" wl-summary-target-mark-forward t]
 347      ["uudecode" wl-summary-target-mark-uudecode t])
 348     ("Score Operation"
 349      ["Switch current score file" wl-score-change-score-file t]
 350      ["Edit current score file" wl-score-edit-current-scores t]
 351      ["Edit score file" wl-score-edit-file t]
 352      ["Set mark below" wl-score-set-mark-below t]
 353      ["Set expunge below" wl-score-set-expunge-below t]
 354      ["Rescore buffer" wl-summary-rescore t]
 355      ["Increase score" wl-summary-increase-score t]
 356      ["Lower score" wl-summary-lower-score t])
 357     "----"
 358     ("Writing Messages"
 359      ["Write a message" wl-summary-write t]
 360      ["Write for current folder" wl-summary-write-current-folder t]
 361      ["Reply" wl-summary-reply t]
 362      ["Reply with citation" wl-summary-reply-with-citation t]
 363      ["Forward" wl-summary-forward t])
 364     "----"
 365     ["Toggle Plug Status" wl-toggle-plugged t]
 366     ["Change Plug Status" wl-plugged-change t]
 367     "----"
 368     ["Exit Current Folder" wl-summary-exit t]))
 369
 370 (if wl-on-xemacs
 371     (defun wl-summary-setup-mouse ()
 372       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 373       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 374       (define-key wl-summary-mode-map [(shift button4)]
 375         'wl-summary-up)
 376       (define-key wl-summary-mode-map [(shift button5)]
 377         'wl-summary-down)
 378       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 379   (defun wl-summary-setup-mouse ()
 380     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 381     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 382     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 383     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 384     ;; For Meadow2
 385     (define-key wl-summary-mode-map [mouse-wheel1]
 386       'wl-summary-wheel-dispatcher)
 387     (define-key wl-summary-mode-map [S-mouse-wheel1]
 388       'wl-summary-wheel-dispatcher)
 389     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 390
 391 (if wl-summary-mode-map
 392     ()
 393   (setq wl-summary-mode-map (make-sparse-keymap))
 394   (define-key wl-summary-mode-map " "    'wl-summary-read)
 395   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 396   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 397   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 398   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 399   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 400   (define-key wl-summary-mode-map "\r"   'wl-summary-next-line-content)
 401   (define-key wl-summary-mode-map "\C-m" 'wl-summary-next-line-content)
 402   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 403   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 404   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 405   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 406   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 407   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 408   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 409   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 410
 411   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 412   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 413   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 414   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 415   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 416   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 417   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 418   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 419   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 420   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 421
 422   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 423   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 424   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 425   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 426   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 427   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 428   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 429   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 430   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 431   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 432   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 433   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 434   (define-key wl-summary-mode-map "H"    'wl-summary-redisplay-all-header)
 435   (define-key wl-summary-mode-map "M"    'wl-summary-redisplay-no-mime)
 436   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 437   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 438   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 439   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 440   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 441   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 442   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 443
 444   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 445   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 446   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 447   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 448   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 449   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 450
 451   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 452   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 453   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 454   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 455
 456   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 457   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 458   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 459
 460   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 461   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 462   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 463
 464   ;; copy & paste.
 465   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 466   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 467
 468   ;; line commands
 469   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 470   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 471   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 472   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 473   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 474   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 475   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 476   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 477   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 478   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 479   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 480   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 481   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 482
 483   ;; thread commands
 484   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 485   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 486   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 487   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 488   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 489   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 490   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 491   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 492   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 493   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 494   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 495   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 496   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 497   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 498   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 499   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 500   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 501   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 502
 503   ;; target-mark commands
 504   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 505   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 506   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 507   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 508   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 509   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 510   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 511   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 512
 513   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 514
 515   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 516   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 517   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 518   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 519   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 520   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 521   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 522   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 523   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 524   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 525   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 526   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 527   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 528   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 529
 530   ;; region commands
 531   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 532   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 533   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 534   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 535   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 536   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 537   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 538   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 539   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 540   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 541   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 542   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 543   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 544   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 545   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 546   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 547   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 548   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 549
 550   ;; score commands
 551   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 552   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 553   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 554   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 555   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 556   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 557   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 558   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 559   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 560   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 561
 562   ;; misc
 563   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 564   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 565   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 566   ;;
 567   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 568   (wl-summary-setup-mouse)
 569   (easy-menu-define
 570    wl-summary-mode-menu
 571    wl-summary-mode-map
 572    "Menu used in Summary mode."
 573    wl-summary-mode-menu-spec))
 574
 575 (defsubst wl-summary-message-visible-p (number)
 576   "Return non-nil if the message with NUMBER is visible."
 577   (or (eq wl-summary-buffer-view 'sequence)
 578       (not (wl-thread-entity-parent-invisible-p
 579             (wl-thread-get-entity number)))))
 580
 581 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 582   "A function to be called as window-scroll-functions."
 583   (with-current-buffer (window-buffer win)
 584     (when (eq major-mode 'wl-summary-mode)
 585       (let ((beg (or beg (window-start win)))
 586             (end (condition-case nil
 587                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 588                    (error (window-end win))))
 589             number flags)
 590         (save-excursion
 591           (goto-char beg)
 592           (while (and (< (point) end) (not (eobp)))
 593             (when (null (get-text-property (point) 'face))
 594               (setq number (wl-summary-message-number)
 595                     flags (elmo-message-flags wl-summary-buffer-elmo-folder
 596                                               number))
 597               (let (wl-summary-highlight)
 598                 (wl-summary-update-persistent-mark number flags))
 599               (wl-highlight-summary-current-line number flags))
 600             (forward-line 1)))))
 601     (set-buffer-modified-p nil)))
 602
 603 (defun wl-summary-window-scroll-functions ()
 604   (cond ((and wl-summary-highlight
 605               wl-summary-lazy-highlight
 606               wl-summary-lazy-update-mark)
 607          (list 'wl-summary-update-mark-and-highlight-window))
 608         ((and wl-summary-highlight
 609               wl-summary-lazy-highlight)
 610          (list 'wl-highlight-summary-window))
 611         (wl-summary-lazy-update-mark
 612          (list 'wl-summary-update-mark-window))))
 613
 614 (defun wl-status-update ()
 615   (interactive)
 616   (wl-address-init))
 617
 618 (defun wl-summary-display-top ()
 619   (interactive)
 620   (goto-char (point-min))
 621   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 622   (if wl-summary-buffer-disp-msg
 623       (wl-summary-redisplay)))
 624
 625 (defun wl-summary-display-bottom ()
 626   (interactive)
 627   (goto-char (point-max))
 628   (forward-line -1)
 629   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 630   (if wl-summary-buffer-disp-msg
 631       (wl-summary-redisplay)))
 632
 633 (defun wl-summary-count-unread ()
 634   (let ((lst (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 635     (if (eq major-mode 'wl-summary-mode)
 636         (setq wl-summary-buffer-new-count (car lst)
 637               wl-summary-buffer-unread-count (nth 1 lst)
 638               wl-summary-buffer-answered-count (nth 2 lst)))
 639     lst))
 640
 641 (defun wl-summary-message-string (&optional use-cache)
 642   "Return full body string of current message.
 643 If optional USE-CACHE is non-nil, use cache if exists."
 644   (let ((number (wl-summary-message-number))
 645         (folder wl-summary-buffer-elmo-folder))
 646     (if (null number)
 647         (message "No message.")
 648       (elmo-set-work-buf
 649        (elmo-message-fetch folder
 650                            number
 651                            (elmo-make-fetch-strategy
 652                             'entire
 653                             use-cache ; use cache
 654                             nil ; save cache (should `t'?)
 655                             (and
 656                              use-cache
 657                              (elmo-file-cache-get-path
 658                               (elmo-message-field folder number 'message-id))))
 659                            nil
 660                            (current-buffer)
 661                            'unread)
 662        (buffer-string)))))
 663
 664 (defun wl-summary-reedit (&optional arg)
 665   "Re-edit current message.
 666 If ARG is non-nil, Supersedes message"
 667   (interactive "P")
 668   (wl-summary-toggle-disp-msg 'off)
 669   (cond
 670    ((not (wl-summary-message-number))
 671     (message "No message."))
 672    (arg
 673     (wl-summary-supersedes-message))
 674    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 675     (wl-draft-reedit (wl-summary-message-number))
 676     (if (wl-message-news-p)
 677         (mail-position-on-field "Newsgroups")
 678       (mail-position-on-field "To")))
 679    (t
 680     (wl-draft-edit-string (wl-summary-message-string)))))
 681
 682 (defun wl-summary-resend-bounced-mail ()
 683   "Re-mail the current message.
 684 This only makes sense if the current message is a bounce message which
 685 contains some mail you have written but has been bounced back to
 686 you."
 687   (interactive)
 688   (wl-summary-toggle-disp-msg 'off)
 689   (save-excursion
 690     (wl-summary-set-message-buffer-or-redisplay)
 691     (set-buffer (wl-message-get-original-buffer))
 692     (goto-char (point-min))
 693     (let ((case-fold-search nil))
 694       (cond
 695        ((and
 696          (re-search-forward
 697           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 698          (not (bolp))
 699          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 700         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 701               start)
 702           (cond
 703            ((and (setq start (re-search-forward
 704                               (concat "^--" boundary "\n"
 705                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 706                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 707                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 708                                       "\\(.+\n\\)*\n") nil t))
 709                  (re-search-forward
 710                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 711             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 712            (t
 713             (message "Seems no message/rfc822 part.")))))
 714        ((let ((case-fold-search t))
 715           (re-search-forward wl-rejected-letter-start nil t))
 716         (skip-chars-forward " \t\n")
 717         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 718        (t
 719         (message "Does not appear to be a rejected letter."))))))
 720
 721 (defun wl-summary-detect-mark-position ()
 722   (let ((column wl-summary-buffer-number-column)
 723         (formatter wl-summary-buffer-line-formatter)
 724         (dummy-temp (char-to-string 200))
 725         ;; bind only for the check.
 726         (wl-summary-new-uncached-mark (char-to-string 201))
 727         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 728         (lang wl-summary-buffer-weekday-name-lang)
 729         wl-summary-highlight
 730         temp persistent)
 731     (with-temp-buffer
 732       (setq wl-summary-buffer-number-column column
 733             wl-summary-buffer-line-formatter formatter
 734             wl-summary-buffer-weekday-name-lang lang)
 735       (insert
 736        (wl-summary-create-line
 737         (elmo-msgdb-make-message-entity
 738          (luna-make-entity 'modb-entity-handler)
 739          :number 10000
 740          :from "foo"
 741          :subject "bar"
 742          :size 100)
 743         nil
 744         dummy-temp
 745         '(new)
 746         nil))
 747       (goto-char (point-min))
 748       (setq temp (save-excursion
 749                    (when (search-forward dummy-temp nil t)
 750                      (current-column)))
 751             persistent
 752             (save-excursion
 753               (when (search-forward wl-summary-new-uncached-mark nil t)
 754                 (current-column)))))
 755     (setq wl-summary-buffer-temp-mark-column temp
 756           wl-summary-buffer-persistent-mark-column persistent)))
 757
 758 (defun wl-summary-buffer-set-folder (folder)
 759   (if (stringp folder)
 760       (setq folder (wl-folder-get-elmo-folder folder)))
 761   (setq wl-summary-buffer-elmo-folder folder)
 762   (make-local-variable 'wl-message-buffer)
 763   (setq wl-summary-buffer-mime-charset (or (wl-get-assoc-list-value
 764                                             wl-folder-mime-charset-alist
 765                                             (elmo-folder-name-internal folder))
 766                                            wl-mime-charset))
 767   (setq wl-summary-buffer-weekday-name-lang
 768         (or (wl-get-assoc-list-value
 769              wl-folder-weekday-name-lang-alist
 770              (elmo-folder-name-internal folder))
 771             wl-summary-weekday-name-lang))
 772   (setq wl-summary-buffer-thread-indent-set
 773         (wl-get-assoc-list-value
 774          wl-folder-thread-indent-set-alist
 775          (elmo-folder-name-internal folder)))
 776   (setq wl-summary-buffer-number-column
 777         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 778                                      (wl-summary-buffer-folder-name))
 779             wl-summary-default-number-column))
 780   (wl-line-formatter-setup
 781    wl-summary-buffer-line-formatter
 782    (setq wl-summary-buffer-line-format
 783          (or (wl-get-assoc-list-value
 784               wl-folder-summary-line-format-alist
 785               (elmo-folder-name-internal folder))
 786              wl-summary-line-format))
 787    wl-summary-line-format-spec-alist)
 788   (wl-line-formatter-setup
 789    wl-summary-buffer-mode-line-formatter
 790    wl-summary-mode-line-format
 791    wl-summary-mode-line-format-spec-alist)
 792   (setq wl-summary-buffer-persistent
 793         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 794   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 795   ;; process duplicates.
 796   (elmo-folder-set-process-duplicates-internal
 797    folder (cdr (elmo-string-matched-assoc
 798                 (elmo-folder-name-internal folder)
 799                 wl-folder-process-duplicates-alist)))
 800   (setq
 801    wl-thread-indent-level-internal
 802    (or (nth 0 wl-summary-buffer-thread-indent-set)
 803        wl-thread-indent-level)
 804    wl-thread-have-younger-brother-str-internal
 805    (or (nth 1 wl-summary-buffer-thread-indent-set)
 806        wl-thread-have-younger-brother-str)
 807    wl-thread-youngest-child-str-internal
 808    (or (nth 2 wl-summary-buffer-thread-indent-set)
 809        wl-thread-youngest-child-str)
 810    wl-thread-vertical-str-internal
 811    (or (nth 3 wl-summary-buffer-thread-indent-set)
 812        wl-thread-vertical-str)
 813    wl-thread-horizontal-str-internal
 814    (or (nth 4 wl-summary-buffer-thread-indent-set)
 815        wl-thread-horizontal-str)
 816    wl-thread-space-str-internal
 817    (or (nth 5 wl-summary-buffer-thread-indent-set)
 818        wl-thread-space-str))
 819   (run-hooks 'wl-summary-buffer-set-folder-hook))
 820
 821 (defun wl-summary-mode ()
 822   "Major mode for reading threaded messages.
 823 See Info under Wanderlust for full documentation.
 824
 825 Special commands:
 826 \\{wl-summary-mode-map}
 827
 828 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 829   (interactive)
 830   (unless (interactive-p) (kill-all-local-variables))
 831   (setq major-mode 'wl-summary-mode)
 832   (setq mode-name "Summary")
 833   (use-local-map wl-summary-mode-map)
 834 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 835   (setq buffer-read-only t)
 836   (setq truncate-lines t)
 837 ;;;(make-local-variable 'tab-width)
 838 ;;;(setq tab-width 1)
 839   (buffer-disable-undo (current-buffer))
 840   (setq selective-display t
 841         selective-display-ellipses nil)
 842   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 843   (easy-menu-add wl-summary-mode-menu)
 844   (setq wl-summary-buffer-window-scroll-functions
 845         (wl-summary-window-scroll-functions))
 846   (when wl-summary-buffer-window-scroll-functions
 847     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 848       (make-local-hook hook)
 849       (dolist (function wl-summary-buffer-window-scroll-functions)
 850         (add-hook hook function nil t))))
 851   ;; This hook may contain the function `wl-setup-summary' for reasons
 852   ;; of system internal to accord facilities for the Emacs variants.
 853   (run-hooks 'wl-summary-mode-hook))
 854
 855 ;;;
 856 (defun wl-summary-overview-entity-compare-by-size (x y)
 857    "Compare entity X and Y by size."
 858    (< (elmo-message-entity-field x 'size)
 859       (elmo-message-entity-field y 'size)))
 860
 861
 862 (defun wl-summary-overview-entity-compare-by-date (x y)
 863   "Compare entity X and Y by date."
 864   (condition-case nil
 865       (string<
 866        (timezone-make-date-sortable
 867         (elmo-message-entity-field x 'date))
 868        (timezone-make-date-sortable
 869         (elmo-message-entity-field y 'date)))
 870     (error))) ;; ignore error.
 871
 872 (defun wl-summary-overview-entity-compare-by-number (x y)
 873    "Compare entity X and Y by number."
 874   (<
 875    (elmo-message-entity-number x)
 876    (elmo-message-entity-number y)))
 877
 878 (defun wl-summary-overview-entity-compare-by-from (x y)
 879   "Compare entity X and Y by from."
 880   (string<
 881    (wl-address-header-extract-address
 882     (or (elmo-message-entity-field x 'from t)
 883         wl-summary-no-from-message))
 884    (wl-address-header-extract-address
 885     (or (elmo-message-entity-field y 'from t)
 886         wl-summary-no-from-message))))
 887
 888 (defun wl-summary-overview-entity-compare-by-subject (x y)
 889   "Compare entity X and Y by subject."
 890   (string< (elmo-message-entity-field x 'subject)
 891            (elmo-message-entity-field y 'subject)))
 892
 893 (defun wl-summary-get-list-info (entity)
 894   "Returns (\"ML-name\" . ML-count) of ENTITY."
 895   (let (sequence ml-name ml-count subject return-path delivered-to mailing-list)
 896     (setq sequence (elmo-message-entity-field entity 'x-sequence)
 897           ml-name (or (elmo-message-entity-field entity 'x-ml-name)
 898                       (and sequence
 899                            (car (split-string sequence " "))))
 900           ml-count (or (elmo-message-entity-field entity 'x-mail-count)
 901                        (elmo-message-entity-field entity 'x-ml-count)
 902                        (and sequence
 903                             (cadr (split-string sequence " ")))))
 904     (and (setq subject (elmo-message-entity-field entity 'subject t))
 905          (setq subject (elmo-delete-char ?\n subject))
 906          (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*" subject)
 907          (progn
 908            (or ml-name (setq ml-name (match-string 1 subject)))
 909            (or ml-count (setq ml-count (match-string 2 subject)))))
 910     (and (setq return-path
 911                (elmo-message-entity-field entity 'return-path))
 912          (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
 913          (progn
 914            (or ml-name (setq ml-name (match-string 1 return-path)))
 915            (or ml-count (setq ml-count (match-string 2 return-path)))))
 916     (and (setq delivered-to
 917                (elmo-message-entity-field entity 'delivered-to))
 918          (string-match "^mailing list \\([^@]+\\)@" delivered-to)
 919          (or ml-name (setq ml-name (match-string 1 delivered-to))))
 920     (and (setq mailing-list
 921                (elmo-message-entity-field entity 'mailing-list))
 922          ;; *-help@, *-owner@, etc.
 923          (string-match "\\(^\\|; \\)contact \\([^@]+\\)-[^-@]+@" mailing-list)
 924          (or ml-name (setq ml-name (match-string 2 mailing-list))))
 925     (cons (and ml-name (car (split-string ml-name " ")))
 926           (and ml-count (string-to-int ml-count)))))
 927
 928 (defun wl-summary-overview-entity-compare-by-list-info (x y)
 929   "Compare entity X and Y by mailing-list info."
 930   (let* ((list-info-x (wl-summary-get-list-info x))
 931          (list-info-y (wl-summary-get-list-info y)))
 932     (if (equal (car list-info-x) (car list-info-y))
 933         (if (equal (cdr list-info-x) (cdr list-info-y))
 934             (wl-summary-overview-entity-compare-by-date x y)
 935           (< (or (cdr list-info-x) 0)
 936              (or (cdr list-info-y) 0)))
 937       (string< (or (car list-info-x) "")
 938                (or (car list-info-y) "")))))
 939
 940 (defun wl-summary-sort-by-date ()
 941   (interactive)
 942   (wl-summary-rescan "date"))
 943 (defun wl-summary-sort-by-number ()
 944   (interactive)
 945   (wl-summary-rescan "number"))
 946 (defun wl-summary-sort-by-subject ()
 947   (interactive)
 948   (wl-summary-rescan "subject"))
 949 (defun wl-summary-sort-by-from ()
 950   (interactive)
 951   (wl-summary-rescan "from"))
 952 (defun wl-summary-sort-by-list-info ()
 953   (interactive)
 954   (wl-summary-rescan "list-info"))
 955
 956 (defun wl-summary-rescan (&optional sort-by disable-killed disable-thread)
 957   "Rescan current folder without updating."
 958   (interactive)
 959   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
 960         i percent num
 961         gc-message entity
 962         curp
 963         (inhibit-read-only t)
 964         (buffer-read-only nil)
 965         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
 966                                             (not disable-killed) t)) ; in-msgdb
 967         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
 968                                                      wl-thread-entity-hashtb))
 969         (wl-summary-search-parent-by-subject-regexp
 970          (and disable-thread wl-summary-search-parent-by-subject-regexp))
 971         (wl-summary-divide-thread-when-subject-changed
 972          (and disable-thread wl-summary-divide-thread-when-subject-changed))
 973         expunged)
 974     (erase-buffer)
 975     (message "Re-scanning...")
 976     (setq i 0)
 977     (when sort-by
 978       (message "Sorting by %s..." sort-by)
 979       (setq numbers
 980             (sort numbers
 981                   (lambda (x y)
 982                     (funcall
 983                      (intern (format "wl-summary-overview-entity-compare-by-%s"
 984                                      sort-by))
 985                      (elmo-message-entity wl-summary-buffer-elmo-folder x)
 986                      (elmo-message-entity wl-summary-buffer-elmo-folder y)))))
 987       (message "Sorting by %s...done" sort-by))
 988     (setq num (length numbers))
 989     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
 990           wl-thread-entity-list nil
 991           wl-thread-entities nil
 992           wl-summary-scored nil
 993           wl-summary-buffer-number-list nil
 994           wl-summary-buffer-unsync-mark-number-list nil
 995           wl-summary-buffer-target-mark-list nil
 996           wl-summary-buffer-temp-mark-list nil
 997           wl-summary-delayed-update nil)
 998     (elmo-kill-buffer wl-summary-search-buf-name)
 999     (while numbers
1000       (setq entity (elmo-message-entity wl-summary-buffer-elmo-folder
1001                                         (car numbers)))
1002       (wl-summary-insert-message entity
1003                                  wl-summary-buffer-elmo-folder
1004                                  nil)
1005       (setq numbers (cdr numbers))
1006       (when (> num elmo-display-progress-threshold)
1007         (setq i (+ i 1))
1008         (if (or (zerop (% i 5)) (= i num))
1009             (elmo-display-progress
1010              'wl-summary-rescan "Constructing summary structure..."
1011              (/ (* i 100) num)))))
1012     (when wl-summary-delayed-update
1013       (while wl-summary-delayed-update
1014         (message "Parent (%d) of message %d is no entity"
1015                  (caar wl-summary-delayed-update)
1016                  (elmo-message-entity-number
1017                   (cdar wl-summary-delayed-update)))
1018         (wl-summary-insert-message
1019          (cdar wl-summary-delayed-update)
1020          wl-summary-buffer-elmo-folder nil t)
1021         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1022     (message "Constructing summary structure...done")
1023     (if (eq wl-summary-buffer-view 'thread)
1024         (progn
1025           (message "Inserting thread...")
1026           (wl-thread-insert-top)
1027           (message "Inserting thread...done")))
1028     (when wl-use-scoring
1029       (wl-summary-score-headers (wl-summary-rescore-msgs
1030                                  wl-summary-buffer-number-list)
1031                                 t)
1032       (when (and wl-summary-scored
1033                  (setq expunged (wl-summary-score-update-all-lines)))
1034         (message "%d message(s) are expunged by scoring." (length expunged))))
1035     (wl-summary-set-message-modified)
1036     (wl-summary-count-unread)
1037     (wl-summary-update-modeline)
1038     (goto-char (point-max))
1039     (forward-line -1)
1040     (set-buffer-modified-p nil)))
1041
1042 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1043   (if (and next-entity
1044            wl-auto-select-next)
1045       (let (retval)
1046         (wl-summary-toggle-disp-msg 'off)
1047         (unwind-protect
1048             (setq retval
1049                   (wl-summary-goto-folder-subr next-entity
1050                                                'force-update
1051                                                nil
1052                                                nil ; not sticky
1053                                                t   ; interactive!
1054                                                ))
1055           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1056           (if (and (eq retval 'more-next)
1057                    (memq wl-auto-select-next '(unread skip-no-unread))
1058                    (memq this-command wl-summary-next-no-unread-command))
1059               (if upward
1060                   (wl-summary-up
1061                    t (eq wl-auto-select-next 'skip-no-unread))
1062                 (goto-char (point-max))
1063                 (forward-line -1)
1064                 (wl-summary-down
1065                  t (eq wl-auto-select-next 'skip-no-unread))))))
1066     (wl-summary-exit)))
1067
1068 (defun wl-summary-entity-info-msg (entity finfo)
1069   (or (and entity
1070            (concat
1071             (if (memq 'ask-folder wl-use-folder-petname)
1072                 (wl-folder-get-petname entity)
1073               entity)
1074             (if (null (car finfo))
1075                 " (? new/? unread)"
1076               (format
1077                " (%d new/%d unread)"
1078                (nth 0 finfo)
1079                (+ (nth 0 finfo)
1080                   (nth 1 finfo))))))
1081       "folder mode"))
1082
1083 (defun wl-summary-set-message-modified ()
1084   (setq wl-summary-buffer-message-modified t))
1085 (defun wl-summary-message-modified-p ()
1086   wl-summary-buffer-message-modified)
1087 (defun wl-summary-set-thread-modified ()
1088   (setq wl-summary-buffer-thread-modified t))
1089 (defun wl-summary-thread-modified-p ()
1090   wl-summary-buffer-thread-modified)
1091
1092 (defun wl-summary-exec-with-confirmation (&optional message)
1093   (when wl-summary-buffer-temp-mark-list
1094     (if (y-or-n-p (or message
1095                       (format "Execute marks in %s? "
1096                               (wl-summary-buffer-folder-name))))
1097         (progn
1098           (wl-summary-exec)
1099           (if wl-summary-buffer-temp-mark-list
1100               (error "Some execution was failed")))
1101       ;; temp-mark-list is remained.
1102       (message ""))))
1103
1104 (defun wl-summary-cleanup-temp-marks ()
1105   (when wl-summary-buffer-temp-mark-list
1106     (wl-summary-exec-with-confirmation
1107      (format "Execute marks in %s? (answer \"n\" to discard them) "
1108              (wl-summary-buffer-folder-name)))
1109     (wl-summary-delete-all-temp-marks 'no-msg)
1110     (setq wl-summary-scored nil)))
1111
1112 ;; a subroutine for wl-summary-exit/wl-save-status
1113 ;; Note that folder is not commited here.
1114 (defun wl-summary-save-view ()
1115   ;; already in summary buffer.
1116   (when wl-summary-buffer-persistent
1117     ;; save the current summary buffer view.
1118     (if (and wl-summary-cache-use
1119              (or (wl-summary-message-modified-p)
1120                  (wl-summary-thread-modified-p)))
1121         (wl-summary-save-view-cache))))
1122
1123 (defun wl-summary-save-status ()
1124   "Save summary view and msgdb."
1125   (interactive)
1126   (if (interactive-p) (message "Saving summary status..."))
1127   (wl-summary-save-view)
1128   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1129   (elmo-folder-check wl-summary-buffer-elmo-folder)
1130   (if wl-use-scoring (wl-score-save))
1131   (if (interactive-p) (message "Saving summary status...done")))
1132
1133 (defun wl-summary-force-exit ()
1134   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1135   (interactive)
1136   (wl-summary-exit 'force-exit))
1137
1138 (defun wl-summary-exit (&optional force-exit)
1139   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1140   (interactive "P")
1141   (let ((summary-buf (current-buffer))
1142         (sticky (wl-summary-sticky-p))
1143         summary-win
1144         message-buf message-win
1145         folder-buf folder-win)
1146     (run-hooks 'wl-summary-exit-pre-hook)
1147     (if wl-summary-buffer-exit-function
1148         (funcall wl-summary-buffer-exit-function)
1149       (if (or force-exit (not sticky))
1150           (wl-summary-cleanup-temp-marks))
1151       (unwind-protect
1152           ;; save summary status
1153           (progn
1154             (wl-summary-save-view)
1155             (if (or force-exit (not sticky))
1156                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1157               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1158               (elmo-folder-check wl-summary-buffer-elmo-folder))
1159             (if wl-use-scoring (wl-score-save)))
1160         ;; for sticky summary
1161         (wl-delete-all-overlays)
1162         (setq wl-summary-buffer-disp-msg nil)
1163         (elmo-kill-buffer wl-summary-search-buf-name)
1164         ;; delete message window if displayed.
1165         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1166             (delete-window (get-buffer-window wl-message-buffer)))
1167         (if (and wl-summary-use-frame
1168                  (> (length (visible-frame-list)) 1))
1169             (delete-frame))
1170         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1171             (if wl-summary-use-frame
1172                 (let (select-frame)
1173                   (save-selected-window
1174                     (dolist (frame (visible-frame-list))
1175                       (select-frame frame)
1176                       (if (get-buffer-window folder-buf)
1177                           (setq select-frame frame))))
1178                   (if select-frame
1179                       (select-frame select-frame)
1180                     (switch-to-buffer folder-buf)))
1181               (if (setq folder-win (get-buffer-window folder-buf))
1182                   ;; folder win is already displayed.
1183                   (select-window folder-win)
1184                 ;; folder win is not displayed.
1185                 (switch-to-buffer folder-buf)))
1186           ;; currently no folder buffer
1187           (wl-folder))
1188         (and wl-folder-move-cur-folder
1189              wl-folder-buffer-cur-point
1190              (goto-char wl-folder-buffer-cur-point))
1191         (setq wl-folder-buffer-cur-path nil)
1192         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1193         (setq wl-folder-buffer-cur-entity-id nil)
1194         (wl-delete-all-overlays)
1195         (if wl-summary-exit-next-move
1196             (wl-folder-next-unsync t)
1197           (beginning-of-line))
1198         (if (setq summary-win (get-buffer-window summary-buf))
1199             (delete-window summary-win))
1200         (if (or force-exit
1201                 (not sticky))
1202             (progn
1203               (set-buffer summary-buf)
1204               (kill-buffer summary-buf)))
1205         (run-hooks 'wl-summary-exit-hook)))))
1206
1207 (defun wl-summary-suspend ()
1208   (interactive)
1209   (wl-summary-exit)
1210   (wl-folder-suspend))
1211
1212 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1213   (interactive)
1214   (wl-summary-sync-update unset-cursor nil nil no-check))
1215
1216 (defsubst wl-summary-sync-all-init ()
1217   (wl-summary-cleanup-temp-marks)
1218   (erase-buffer)
1219   (wl-summary-set-message-modified)
1220   (setq wl-thread-entity-hashtb (elmo-make-hash
1221                                  (* (elmo-folder-length
1222                                      wl-summary-buffer-elmo-folder)
1223                                     2)))
1224   (setq wl-thread-entity-list nil)
1225   (setq wl-thread-entities nil)
1226   (setq wl-summary-buffer-number-list nil)
1227   (setq wl-summary-buffer-target-mark-list nil)
1228   (setq wl-summary-buffer-temp-mark-list nil))
1229
1230 (defun wl-summary-sync (&optional unset-cursor force-range)
1231   (interactive)
1232   (let* ((folder wl-summary-buffer-elmo-folder)
1233          (inhibit-read-only t)
1234          (buffer-read-only nil)
1235          (msgdb-dir (elmo-folder-msgdb-path folder))
1236          (range (or force-range (wl-summary-input-range
1237                                  (elmo-folder-name-internal folder)))))
1238     (cond ((string-match "rescan" range)
1239            (let ((msg (wl-summary-message-number))
1240                  (wl-use-scoring (if (string-match "noscore" range)
1241                                      nil
1242                                    wl-use-scoring)))
1243              (wl-summary-rescan nil
1244                                 (string-match "noscore" range)
1245                                 (string-match "thread" range))
1246              (and msg (wl-summary-jump-to-msg msg))))
1247           ((string= range "mark")
1248            (let ((msg (wl-summary-message-number)))
1249              (call-interactively 'wl-summary-sync-marks)
1250              (and msg (wl-summary-jump-to-msg msg))))
1251           ((string= range "cache-status")
1252            (let ((msg (wl-summary-message-number)))
1253              (wl-summary-resume-cache-status)
1254              (and msg (wl-summary-jump-to-msg msg))))
1255           ((string= range "no-sync"))
1256           ((or (string-match "^last:" range)
1257                (string-match "^first:" range))
1258            (wl-summary-goto-folder-subr (concat "/" range "/"
1259                                                 (elmo-folder-name-internal
1260                                                  folder))
1261                                         'force-update nil nil t))
1262           (t
1263            (wl-summary-sync-update unset-cursor
1264                                    (string-match "entirely" range)
1265                                    (string-match "all" range))))))
1266
1267 (defvar wl-summary-edit-addresses-candidate-fields
1268   ;; First element becomes default.
1269   '("from" "to" "cc"))
1270
1271 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1272   (let ((fields wl-summary-edit-addresses-candidate-fields)
1273         body candidates components)
1274     (while fields
1275       (setq body
1276             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1277                        ","))
1278       (setq body (wl-parse-addresses body))
1279       (if body (setq candidates (append candidates body)))
1280       (setq fields (cdr fields)))
1281     (setq candidates (elmo-uniq-list candidates))
1282     (elmo-set-work-buf
1283      (set-buffer-multibyte default-enable-multibyte-characters)
1284      (mapcar (function
1285               (lambda (x)
1286                 (setq components (std11-extract-address-components x))
1287                 (cons (nth 1 components)
1288                       (and (car components)
1289                            (eword-decode-string
1290                             (decode-mime-charset-string
1291                              (car components)
1292                              mime-charset))))))
1293              candidates))))
1294
1295 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1296   ;; returns nil if there's no change.
1297   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1298       (let (char)
1299         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1300                  the-email)
1301         (while (not (or (eq (setq char (read-char)) ?\r)
1302                         (eq char ?\n)
1303                         (eq char ? )
1304                         (eq char ?e)
1305                         (eq char ?c)
1306                         (eq char ?d)))
1307           (message
1308            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1309         (cond
1310          ((or (eq char ?e)
1311               (eq char ?\n)
1312               (eq char ?\r)
1313               (eq char ? ))
1314           ;; Change Addresses
1315           (wl-address-add-or-change
1316            the-email
1317            (wl-address-header-extract-realname
1318             (cdr (assoc
1319                   (let ((completion-ignore-case t) comp)
1320                     (setq comp
1321                           (try-completion the-email wl-address-completion-list))
1322                     (if (equal comp t) the-email comp))
1323                   wl-address-completion-list))))
1324           "edited")
1325          ((eq char ?d)
1326           ;; Delete Addresses
1327           (if (y-or-n-p (format "Delete '%s'? "
1328                                 the-email))
1329               (progn
1330                 (wl-address-delete the-email)
1331                 "deleted")
1332             (message "")
1333             nil))
1334          (t (message "")
1335             nil)))
1336     ;; Add Petname
1337     (wl-address-add-or-change the-email name-in-addr)
1338     "added"))
1339
1340 (defun wl-summary-edit-addresses (&optional addr-str)
1341   "Edit address book interactively.
1342 Optional argument ADDR-STR is used as a target address if specified."
1343   (interactive (if current-prefix-arg
1344                    (list (read-from-minibuffer "Target address: "))))
1345   (if (null (wl-summary-message-number))
1346       (message "No message.")
1347     (save-excursion
1348       (let* ((charset wl-summary-buffer-mime-charset)
1349              (candidates
1350               (with-current-buffer (wl-summary-get-original-buffer)
1351                 (wl-summary-edit-addresses-collect-candidate-fields
1352                  charset)))
1353              address pair result)
1354         (if addr-str
1355             (setq address addr-str)
1356           (when candidates
1357             (setq address (car (car candidates)))
1358             (setq address
1359                   (completing-read
1360                    (format "Target address (%s): " address)
1361                    (mapcar
1362                     (function (lambda (x) (cons (car x) (car x))))
1363                     candidates)
1364                    nil nil nil nil address))))
1365         (when address
1366           (setq pair (assoc address candidates))
1367           (unless pair
1368             (setq pair (cons address nil)))
1369           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1370             ;; update alias
1371             (wl-status-update)
1372             (setq address (assoc (car pair) wl-address-list))
1373             (if address
1374                 (message "%s, %s, <%s> is %s."
1375                          (nth 2 address)
1376                          (nth 1 address)
1377                          (nth 0 address)
1378                          result)))
1379 ;;; i'd like to update summary-buffer, but...
1380 ;;;     (wl-summary-rescan)
1381           (run-hooks 'wl-summary-edit-addresses-hook))))))
1382
1383 (defun wl-summary-incorporate (&optional arg)
1384   "Check and prefetch all uncached messages.
1385 If ARG is non-nil, checking is omitted."
1386   (interactive "P")
1387   (unless arg
1388     (save-excursion
1389       (wl-summary-sync-force-update)))
1390   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1391                                       wl-summary-incorporate-marks))
1392
1393 (defun wl-summary-prefetch-msg (number &optional arg)
1394   "Prefetch message and return non-nil value. If skipped, return nil."
1395   ;; prefetching procedure.
1396   (save-excursion
1397     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1398                                      number 'size))
1399            (file-cached (elmo-file-cache-exists-p
1400                          (elmo-message-field wl-summary-buffer-elmo-folder
1401                                              number 'message-id)))
1402            (force-read (and size
1403                             (or file-cached
1404                                 (and (null wl-prefetch-confirm) arg)
1405                                 (null wl-prefetch-threshold)
1406                                 (< size wl-prefetch-threshold))))
1407            mark new-mark)
1408       (ignore-errors
1409         (when (and (or arg (not file-cached))
1410                    size (not force-read) wl-prefetch-confirm)
1411           (let ((wl-message-entity (elmo-message-entity
1412                                     wl-summary-buffer-elmo-folder
1413                                     number)))
1414             (setq force-read
1415                   (save-restriction
1416                     (widen)
1417                     (y-or-n-p
1418                      (format
1419                       "Message from %s has %d bytes.  Prefetch it? "
1420                       (concat
1421                        "[ "
1422                        (save-match-data
1423                          (wl-set-string-width
1424                           17
1425                           (funcall
1426                            wl-summary-from-function
1427                            (elmo-delete-char
1428                             ?\"
1429                             (or
1430                              (elmo-message-entity-field
1431                               wl-message-entity
1432                               'from t)
1433                              "??")))))
1434                        " ]")
1435                       size))))
1436             (message "")))              ; flush.
1437         (if force-read
1438             (save-excursion
1439               (save-match-data
1440                 ;; online
1441                 (if (or arg (not file-cached))
1442                     (elmo-message-encache
1443                      wl-summary-buffer-elmo-folder
1444                      number))
1445                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1446                                          number t)
1447                 (when (and (wl-summary-jump-to-msg number)
1448                            (wl-summary-update-persistent-mark))
1449                   (sit-for 0)
1450                   (wl-summary-count-unread)
1451                   (wl-summary-update-modeline)
1452                   (wl-folder-update-unread
1453                    (wl-summary-buffer-folder-name)
1454                    (+ wl-summary-buffer-unread-count
1455                       wl-summary-buffer-new-count))))
1456               t)
1457           nil)))))
1458
1459 (defsubst wl-summary-narrow-to-region (beg end)
1460   (narrow-to-region
1461    (save-excursion
1462      (goto-char beg)
1463      (beginning-of-line)
1464      (point))
1465    (save-excursion
1466      (goto-char end)
1467      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1468      (point))))
1469
1470 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1471   (interactive "r")
1472   (let ((count 0)
1473         targets
1474         mark length
1475         entity msg
1476         start-pos pos)
1477     (save-excursion
1478       (setq start-pos (point))
1479       (save-restriction
1480         (wl-summary-narrow-to-region beg end)
1481         ;; collect prefetch targets.
1482         (message "Collecting marks...")
1483         (goto-char (point-min))
1484         (while (not (eobp))
1485           (setq mark (wl-summary-persistent-mark)
1486                 msg (wl-summary-message-number))
1487           (if (or (and (null prefetch-marks)
1488                        msg
1489                        (null (elmo-file-cache-exists-p
1490                               (elmo-message-field
1491                                wl-summary-buffer-elmo-folder
1492                                msg
1493                                'message-id))))
1494                   (member mark prefetch-marks))
1495               (setq targets (nconc targets (list msg))))
1496           (setq entity (wl-thread-get-entity msg))
1497           (if (or (not (eq wl-summary-buffer-view 'thread))
1498                   (wl-thread-entity-get-opened entity))
1499               (); opened. no hidden children.
1500             (setq targets (nconc
1501                            targets
1502                            (wl-thread-get-children-msgs-uncached
1503                             msg prefetch-marks))))
1504           (forward-line 1))
1505         (setq length (length targets))
1506         (message "Prefetching...")
1507         (while targets
1508           (when (if (not (wl-thread-entity-parent-invisible-p
1509                           (wl-thread-get-entity (car targets))))
1510                     (progn
1511                       (wl-summary-jump-to-msg (car targets))
1512                       (wl-summary-prefetch-msg
1513                        (wl-summary-message-number)))
1514                   (wl-summary-prefetch-msg (car targets)))
1515             (message "Prefetching... %d/%d message(s)"
1516                      (setq count (+ 1 count)) length))
1517           (setq targets (cdr targets)))
1518         (message "Prefetched %d/%d message(s)" count length)
1519         (cons count length)))))
1520
1521 (defun wl-summary-delete-marks-on-buffer (marks)
1522   (while marks
1523     (wl-summary-unmark (pop marks))))
1524
1525 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1526   (wl-summary-delete-marks-on-buffer copies))
1527
1528 ;;;
1529 (defun wl-summary-delete-all-target-marks ()
1530   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1531
1532 (defun wl-summary-mark-as-read-region (beg end)
1533   (interactive "r")
1534   (save-excursion
1535     (save-restriction
1536       (wl-summary-narrow-to-region beg end)
1537       (goto-char (point-min))
1538       (if (eq wl-summary-buffer-view 'thread)
1539           (let (number-list)
1540             (while (not (eobp))
1541               (let* ((number (wl-summary-message-number))
1542                      (entity (wl-thread-get-entity number)))
1543                 (if (wl-thread-entity-get-opened entity)
1544                     (setq number-list (append number-list (list number)))
1545                   (setq number-list
1546                         (append number-list
1547                                 (wl-thread-get-children-msgs number))))
1548                 (forward-line 1)))
1549             (wl-summary-mark-as-read number-list))
1550         (let (number-list)
1551           (while (not (eobp))
1552             (setq number-list
1553                   (append number-list (list (wl-summary-message-number))))
1554             (forward-line 1))
1555           (wl-summary-mark-as-read number-list))))))
1556
1557 (defun wl-summary-mark-as-unread-region (beg end)
1558   (interactive "r")
1559   (save-excursion
1560     (save-restriction
1561       (wl-summary-narrow-to-region beg end)
1562       (goto-char (point-min))
1563       (if (eq wl-summary-buffer-view 'thread)
1564           (let (number-list)
1565             (while (not (eobp))
1566               (let* ((number (wl-summary-message-number))
1567                      (entity (wl-thread-get-entity number)))
1568                 (if (wl-thread-entity-get-opened entity)
1569                     (setq number-list (append number-list (list number)))
1570                   (setq number-list
1571                         (append number-list
1572                                 (wl-thread-get-children-msgs number))))
1573                 (forward-line 1)))
1574             (wl-summary-mark-as-unread number-list))
1575         (let (number-list)
1576           (while (not (eobp))
1577             (setq number-list
1578                   (append number-list (list (wl-summary-message-number))))
1579             (forward-line 1))
1580           (wl-summary-mark-as-unread number-list))))))
1581
1582 (defun wl-summary-set-flags-region (beg end)
1583   (interactive "r")
1584   (save-excursion
1585     (save-restriction
1586       (wl-summary-narrow-to-region beg end)
1587       (goto-char (point-min))
1588       (let (flags)
1589         (if (eq wl-summary-buffer-view 'thread)
1590             (while (not (eobp))
1591               (let* ((number (wl-summary-message-number))
1592                      (entity (wl-thread-get-entity number))
1593                      children)
1594                 (if (wl-thread-entity-get-opened entity)
1595                     ;; opened...mark line.
1596                     ;; Crossposts are not processed
1597                     (setq flags (wl-summary-set-flags-internal
1598                                 number
1599                                 flags))
1600                   ;; closed
1601                   (setq flags (wl-summary-set-flags-internal
1602                               (wl-thread-get-children-msgs number)
1603                               flags)))
1604                 (forward-line 1)))
1605           (while (not (eobp))
1606             (setq flags (wl-summary-set-flags-internal
1607                         (wl-summary-message-number) flags))
1608             (forward-line 1))))))
1609   (wl-summary-count-unread)
1610   (wl-summary-update-modeline))
1611
1612 (defun wl-summary-mark-as-answered-region (beg end)
1613   (interactive "r")
1614   (save-excursion
1615     (save-restriction
1616       (wl-summary-narrow-to-region beg end)
1617       (goto-char (point-min))
1618       (let ((inverse (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1619                                              (wl-summary-message-number)
1620                                              'answered)))
1621         (if (eq wl-summary-buffer-view 'thread)
1622             (while (not (eobp))
1623               (let* ((number (wl-summary-message-number))
1624                      (entity (wl-thread-get-entity number))
1625                      children)
1626                 (if (wl-thread-entity-get-opened entity)
1627                     ;; opened...mark line.
1628                     ;; Crossposts are not processed
1629                     (wl-summary-mark-as-answered-internal inverse)
1630                   ;; closed
1631                   (wl-summary-mark-as-answered-internal
1632                    inverse
1633                    (wl-thread-get-children-msgs number)))
1634                 (forward-line 1)))
1635           (while (not (eobp))
1636             (wl-summary-mark-as-answered-internal inverse)
1637             (forward-line 1))))))
1638   (wl-summary-count-unread)
1639   (wl-summary-update-modeline))
1640
1641 (defun wl-summary-mark-as-important-region (beg end)
1642   (interactive "r")
1643   (save-excursion
1644     (save-restriction
1645       (wl-summary-narrow-to-region beg end)
1646       (goto-char (point-min))
1647       (let ((inverse (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1648                                              (wl-summary-message-number)
1649                                              'important)))
1650         (if (eq wl-summary-buffer-view 'thread)
1651             (while (not (eobp))
1652               (let* ((number (wl-summary-message-number))
1653                      (entity (wl-thread-get-entity number))
1654                      children)
1655                 (if (wl-thread-entity-get-opened entity)
1656                     ;; opened...mark line.
1657                     ;; Crossposts are not processed
1658                     (wl-summary-mark-as-important-internal inverse)
1659                   ;; closed
1660                   (wl-summary-mark-as-important-internal
1661                    inverse
1662                    (wl-thread-get-children-msgs number)))
1663                 (forward-line 1)))
1664           (while (not (eobp))
1665             (wl-summary-mark-as-important-internal inverse)
1666             (forward-line 1))))))
1667   (wl-summary-count-unread)
1668   (wl-summary-update-modeline))
1669
1670 (defun wl-summary-mark-as-read-all ()
1671   (interactive)
1672   (if (or (not (interactive-p))
1673           (y-or-n-p "Mark all messages as read? "))
1674       (let ((folder wl-summary-buffer-elmo-folder)
1675             (cur-buf (current-buffer)))
1676         (message "Setting all msgs as read...")
1677         (elmo-folder-set-flag
1678          folder
1679          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1680          'read)
1681         (save-excursion
1682           (goto-char (point-min))
1683           (while (not (eobp))
1684             (wl-summary-update-persistent-mark)
1685             (forward-line 1)))
1686         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1687         (setq wl-summary-buffer-unread-count 0)
1688         (setq wl-summary-buffer-new-count    0)
1689         (wl-summary-update-modeline)
1690         (message "Setting all msgs as read...done"))))
1691
1692 (defun wl-summary-delete-cache ()
1693   "Delete cache of current message."
1694   (interactive)
1695   (save-excursion
1696     (let* ((folder wl-summary-buffer-elmo-folder)
1697            number)
1698       (setq number (wl-summary-message-number))
1699       (elmo-message-set-cached folder number nil)
1700       (when (wl-summary-update-persistent-mark)
1701         (elmo-file-cache-delete
1702          (elmo-file-cache-get-path
1703           (elmo-message-field wl-summary-buffer-elmo-folder
1704                               number
1705                               'message-id)))))))
1706
1707 (defun wl-summary-resume-cache-status ()
1708   "Resume the cache status of all messages in the current folder."
1709   (interactive)
1710   (let ((folder wl-summary-buffer-elmo-folder)
1711         number msgid)
1712     (message "Resuming cache status...")
1713     (save-excursion
1714       (goto-char (point-min))
1715       (while (not (eobp))
1716         (setq number (wl-summary-message-number))
1717         (setq msgid (elmo-message-field folder number 'message-id))
1718         (elmo-message-set-cached folder number
1719                                  (elmo-file-cache-exists-p msgid))
1720         (wl-summary-update-persistent-mark)
1721         (forward-line 1))
1722       (wl-summary-count-unread)
1723       (wl-summary-update-modeline)
1724       (message "Resuming cache status...done"))))
1725
1726 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1727   (interactive)
1728   (save-excursion
1729     (let ((inhibit-read-only t)
1730           (buffer-read-only nil)
1731           (msgs2 msgs)
1732           (len (length msgs))
1733           (i 0)
1734           ;(deleting-info (or deleting-info "Deleting..."))
1735           update-list)
1736       (elmo-kill-buffer wl-summary-search-buf-name)
1737       (while msgs
1738         (if (eq wl-summary-buffer-view 'thread)
1739             (progn
1740               ;; don't use wl-append(nconc), because list is broken. ...why?
1741               (setq update-list
1742                     (append update-list
1743                             (wl-thread-delete-message (car msgs))))
1744               (setq update-list (delq (car msgs) update-list)))
1745           (goto-char (point-min))
1746           (if (wl-summary-jump-to-msg (car msgs))
1747               (progn
1748                 (delete-region (point-at-bol) (point-at-eol))
1749                 (delete-char 1) ; delete '\n'
1750                 (setq wl-summary-buffer-number-list
1751                       (delq (car msgs) wl-summary-buffer-number-list)))))
1752 ;       (when (> len elmo-display-progress-threshold)
1753 ;         (setq i (1+ i))
1754 ;         (if (or (zerop (% i 5)) (= i len))
1755 ;             (elmo-display-progress
1756 ;              'wl-summary-delete-messages-on-buffer deleting-info
1757 ;              (/ (* i 100) len))))
1758         (setq msgs (cdr msgs)))
1759       (when (eq wl-summary-buffer-view 'thread)
1760         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1761         (wl-thread-cleanup-symbols msgs2))
1762       ;;(message (concat deleting-info "done"))
1763       (wl-summary-count-unread)
1764       (wl-summary-update-modeline)
1765       (wl-summary-folder-info-update))))
1766
1767 (defun wl-summary-update-status-marks (beg end &optional check)
1768   "Synchronize status marks on current buffer to the msgdb."
1769   (interactive "r")
1770   (save-excursion
1771     (goto-char beg)
1772     (while (and (< (point) end) (not (eobp)))
1773       (when (or (not check)
1774                 (let ((number (wl-summary-message-number)))
1775                   (when (memq number wl-summary-buffer-unsync-mark-number-list)
1776                     (setq wl-summary-buffer-unsync-mark-number-list
1777                           (delq number
1778                                 wl-summary-buffer-unsync-mark-number-list))
1779                     t)))
1780         (wl-summary-update-persistent-mark))
1781       (forward-line 1))))
1782
1783 (defun wl-summary-update-mark-window (&optional win beg)
1784   "Update persistent mark in visible summary window.
1785 This function is defined for `window-scroll-functions'"
1786   (with-current-buffer (window-buffer win)
1787     (when (eq major-mode 'wl-summary-mode)
1788       (let ((start (window-start win))
1789             (end (condition-case nil
1790                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1791                    (error (window-end win)))))
1792         (wl-summary-update-status-marks start end 'check)))))
1793
1794 (defun wl-summary-insert-message (&rest args)
1795   (if (eq wl-summary-buffer-view 'thread)
1796       (apply 'wl-summary-insert-thread args)
1797     (apply 'wl-summary-insert-sequential args)))
1798
1799 (defun wl-summary-sort ()
1800   (interactive)
1801   (wl-summary-rescan
1802    (completing-read
1803     (format "Sort by (%s): " (symbol-name wl-summary-default-sort-spec))
1804     (mapcar (lambda (spec)
1805               (list (symbol-name spec)))
1806             wl-summary-sort-specs)
1807     nil t nil nil (symbol-name wl-summary-default-sort-spec))))
1808
1809 (defun wl-summary-sync-marks ()
1810   "Update persistent marks in summary."
1811   (interactive)
1812   (let ((mes "Updated ")
1813         diff diffs)
1814     ;; synchronize marks.
1815     (when (not (eq (elmo-folder-type-internal
1816                     wl-summary-buffer-elmo-folder)
1817                    'internal))
1818
1819       (message "Updating marks...")
1820       (dolist (flag elmo-global-flag-list)
1821         (unless (memq flag '(answered cached new unread))
1822           (setq diff (elmo-list-diff (elmo-folder-list-flagged
1823                                       wl-summary-buffer-elmo-folder
1824                                       flag)
1825                                      (elmo-folder-list-flagged
1826                                       wl-summary-buffer-elmo-folder
1827                                       flag 'in-msgdb)))
1828           (setq diffs (cadr diff)) ; deletes
1829           (setq mes (concat mes (format "-%d" (length diffs))))
1830           (while diffs
1831             (wl-summary-remove-flags-internal (car diffs)
1832                                              (list flag) 'no-server)
1833             (setq diffs (cdr diffs)))
1834           (setq diffs (car diff)) ; appends
1835           (setq mes (concat mes (format "/+%d %s," (length diffs) flag)))
1836           (while diffs
1837             (wl-summary-add-flags-internal (car diffs)
1838                                           (list flag) 'no-server)
1839             (setq diffs (cdr diffs)))))
1840
1841       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1842                                   wl-summary-buffer-elmo-folder
1843                                   'answered)
1844                                  (elmo-folder-list-flagged
1845                                   wl-summary-buffer-elmo-folder
1846                                   'answered 'in-msgdb)))
1847       (setq diffs (cadr diff))
1848       (setq mes (concat mes (format "-%d" (length diffs))))
1849       (while diffs
1850         (wl-summary-mark-as-unanswered (car diffs) 'no-modeline)
1851         (setq diffs (cdr diffs)))
1852       (setq diffs (car diff)) ; unread-appends
1853       (setq mes (concat mes (format "/+%d answered," (length diffs))))
1854       (while diffs
1855         (wl-summary-mark-as-answered (car diffs) 'no-modeline)
1856         (setq diffs (cdr diffs)))
1857
1858       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1859                                   wl-summary-buffer-elmo-folder
1860                                   'unread)
1861                                  (elmo-folder-list-flagged
1862                                   wl-summary-buffer-elmo-folder
1863                                   'unread 'in-msgdb)))
1864       (setq diffs (cadr diff))
1865       (setq mes (concat mes (format "-%d" (length diffs))))
1866       (while diffs
1867         (wl-summary-mark-as-read (car diffs) 'no-folder 'no-modeline)
1868         (setq diffs (cdr diffs)))
1869       (setq diffs (car diff)) ; unread-appends
1870       (setq mes (concat mes (format "/+%d unread." (length diffs))))
1871       (while diffs
1872         (wl-summary-mark-as-unread (car diffs) 'no-folder 'no-modeline)
1873         (setq diffs (cdr diffs)))
1874       (if (interactive-p) (message "%s" mes)))))
1875
1876 (defun wl-summary-sync-update (&optional unset-cursor
1877                                          disable-killed
1878                                          sync-all
1879                                          no-check)
1880   "Update the summary view to the newest folder status."
1881   (interactive)
1882   (let* ((folder wl-summary-buffer-elmo-folder)
1883          (elmo-mime-charset wl-summary-buffer-mime-charset)
1884          (inhibit-read-only t)
1885          (buffer-read-only nil)
1886          gc-message
1887          overview
1888          curp num i diff
1889          append-list delete-list crossed
1890          update-thread update-top-list
1891          expunged mes entity)
1892     (unwind-protect
1893         (progn
1894           (unless wl-summary-buffer-elmo-folder
1895             (error "(Internal error) Folder is not set:%s" (buffer-name
1896                                                             (current-buffer))))
1897           ;; Flush pending append operations (disconnected operation).
1898           ;;(setq seen-list
1899           ;;(wl-summary-flush-pending-append-operations seen-list))
1900           (goto-char (point-max))
1901           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1902           (setq crossed (elmo-folder-synchronize folder
1903                                                  disable-killed
1904                                                  sync-all
1905                                                  no-check))
1906           (if crossed
1907               (let ((wl-summary-highlight
1908                      (and wl-summary-highlight
1909                           (not wl-summary-lazy-highlight))))
1910                 ;; Setup sync-all
1911                 (if sync-all (wl-summary-sync-all-init))
1912                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1913                                             folder
1914                                             (not disable-killed)
1915                                             'in-msgdb)
1916                                            wl-summary-buffer-number-list))
1917                 (setq append-list (car diff))
1918                 (setq delete-list (cadr diff))
1919
1920                 (when delete-list
1921                   (wl-summary-delete-messages-on-buffer delete-list))
1922                 (unless wl-summary-lazy-update-mark
1923                   (wl-summary-update-status-marks (point-min) (point-max)))
1924                 (when (and wl-summary-lazy-highlight
1925                            wl-summary-lazy-update-mark)
1926                   (let (buffer-read-only)
1927                     (put-text-property (point-min) (point-max) 'face nil)))
1928                 (setq num (length append-list))
1929                 (setq i 0)
1930                 (setq wl-summary-delayed-update nil)
1931                 (elmo-kill-buffer wl-summary-search-buf-name)
1932                 (dolist (number append-list)
1933                   (setq entity (elmo-message-entity folder number))
1934                   (when (setq update-thread
1935                               (wl-summary-insert-message
1936                                entity folder
1937                                (not sync-all)))
1938                     (wl-append update-top-list update-thread))
1939                   (if elmo-use-database
1940                       (elmo-database-msgid-put
1941                        (car entity) (elmo-folder-name-internal folder)
1942                        (elmo-message-entity-number entity)))
1943                   (when (> num elmo-display-progress-threshold)
1944                     (setq i (+ i 1))
1945                     (if (or (zerop (% i 5)) (= i num))
1946                         (elmo-display-progress
1947                          'wl-summary-sync-update
1948                          (if (eq wl-summary-buffer-view 'thread)
1949                              "Making thread..."
1950                            "Inserting message...")
1951                          (/ (* i 100) num)))))
1952                 (when wl-summary-delayed-update
1953                   (while wl-summary-delayed-update
1954                     (message "Parent (%d) of message %d is no entity"
1955                              (caar wl-summary-delayed-update)
1956                              (elmo-message-entity-number
1957                               (cdar wl-summary-delayed-update)))
1958                     (when (setq update-thread
1959                                 (wl-summary-insert-message
1960                                  (cdar wl-summary-delayed-update)
1961                                  wl-summary-buffer-elmo-folder
1962                                  (not sync-all) t))
1963                       (wl-append update-top-list update-thread))
1964                     (setq wl-summary-delayed-update
1965                           (cdr wl-summary-delayed-update))))
1966                 (when (and (eq wl-summary-buffer-view 'thread)
1967                            update-top-list)
1968                   (wl-thread-update-indent-string-thread
1969                    (elmo-uniq-list update-top-list)))
1970                 (message (if (eq wl-summary-buffer-view 'thread)
1971                              "Making thread...done"
1972                            "Inserting message...done"))
1973                 (when (or delete-list append-list)
1974                   (wl-summary-set-message-modified))
1975                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
1976                   (elmo-kill-buffer wl-summary-search-buf-name)
1977                   (message "Inserting message...")
1978                   (wl-thread-insert-top)
1979                   (message "Inserting message...done"))
1980                 (if elmo-use-database
1981                     (elmo-database-close))
1982                 (run-hooks 'wl-summary-sync-updated-hook)
1983                 (setq mes
1984                       (if (and (eq (length delete-list) 0)
1985                                (eq num 0))
1986                           (format
1987                            "No updates for \"%s\"" (elmo-folder-name-internal
1988                                                     folder))
1989                         (format "Updated (-%d/+%d) message(s)"
1990                                 (length delete-list) num))))
1991             (setq mes "Quit updating")))
1992       ;; synchronize marks.
1993       (if (and crossed wl-summary-auto-sync-marks)
1994           (wl-summary-sync-marks))
1995       ;; scoring
1996       (when wl-use-scoring
1997         (setq wl-summary-scored nil)
1998         (wl-summary-score-headers (and sync-all
1999                                        (wl-summary-rescore-msgs
2000                                         wl-summary-buffer-number-list))
2001                                   sync-all)
2002         (when (and wl-summary-scored
2003                    (setq expunged (wl-summary-score-update-all-lines)))
2004           (setq mes (concat mes
2005                             (format " (%d expunged)"
2006                                     (length expunged))))))
2007       (if (and crossed (> crossed 0))
2008           (setq mes
2009                 (if mes
2010                     (concat mes
2011                             (format " (%d crosspost)" crossed))
2012                   (format "%d crosspost message(s)" crossed)))
2013         (and mes (setq mes (concat mes "."))))
2014       ;; Update Folder mode
2015       (wl-folder-set-folder-updated
2016        (elmo-folder-name-internal folder)
2017        (list 0
2018              (let ((lst (wl-summary-count-unread)))
2019                (+ (car lst) (nth 1 lst)))
2020              (elmo-folder-length folder)))
2021       (wl-summary-update-modeline)
2022       ;;
2023       (unless unset-cursor
2024         (goto-char (point-min))
2025         (if (not (wl-summary-cursor-down t))
2026             (progn
2027               (goto-char (point-max))
2028               (forward-line -1))
2029           (when (and wl-summary-highlight
2030                      (not wl-summary-lazy-highlight)
2031                      (not (get-text-property (point) 'face)))
2032             (save-excursion
2033               (forward-line (- 0
2034                                (or
2035                                 wl-summary-partial-highlight-above-lines
2036                                 wl-summary-highlight-partial-threshold)))
2037               (wl-highlight-summary (point) (point-max))))))
2038       (wl-delete-all-overlays)
2039       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2040       (set-buffer-modified-p nil)
2041       (if mes (message "%s" mes)))))
2042
2043 (defun wl-summary-set-score-mark (mark)
2044   (save-excursion
2045     (beginning-of-line)
2046     (let ((cur-mark (wl-summary-temp-mark)))
2047       (when (member cur-mark (list " "
2048                                    wl-summary-score-below-mark
2049                                    wl-summary-score-over-mark))
2050         (wl-summary-put-temp-mark mark)
2051         (if wl-summary-highlight
2052             (wl-highlight-summary-current-line))
2053         (set-buffer-modified-p nil)))))
2054
2055 (defun wl-summary-get-score-mark (msg-num)
2056   (let ((score (cdr (assq msg-num wl-summary-scored))))
2057     (if score
2058         (cond ((< score wl-summary-default-score)
2059                "-")
2060               ((> score wl-summary-default-score)
2061                "+")))))
2062
2063 (defun wl-summary-update-modeline ()
2064   (setq wl-summary-buffer-mode-line
2065         (funcall wl-summary-buffer-mode-line-formatter)))
2066
2067 (defun wl-summary-jump-to-msg (&optional number)
2068   (interactive)
2069   (let ((num (or number
2070                  (string-to-int
2071                   (read-from-minibuffer "Jump to Message(No.): ")))))
2072     (setq num (int-to-string num))
2073     (beginning-of-line)
2074     (if (or (and (re-search-forward (concat "\r" num "[^0-9]") nil t)
2075                  (progn (backward-char 1) t))
2076             (re-search-backward (concat "\r" num "[^0-9]") nil t))
2077         (progn (beginning-of-line) t)
2078       nil)))
2079
2080 (defun wl-summary-highlight-msgs (msgs)
2081   (save-excursion
2082     (let ((len (length msgs))
2083           i)
2084       (message "Hilighting...")
2085       (setq i 0)
2086       (while msgs
2087         (if (wl-summary-jump-to-msg (car msgs))
2088             (wl-highlight-summary-current-line))
2089         (setq msgs (cdr msgs))
2090         (when (> len elmo-display-progress-threshold)
2091           (setq i (+ i 1))
2092           (if (or (zerop (% i 5)) (= i len))
2093               (elmo-display-progress
2094                'wl-summary-highlight-msgs "Highlighting..."
2095                (/ (* i 100) len)))))
2096       (message "Highlighting...done"))))
2097
2098 (defun wl-summary-message-number ()
2099   (save-excursion
2100     (beginning-of-line)
2101     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2102             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2103         (string-to-int (wl-match-buffer 1))
2104       nil)))
2105
2106 (defun wl-summary-delete-all-msgs ()
2107   (interactive)
2108   (let ((cur-buf (current-buffer))
2109         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2110     (set-buffer cur-buf)
2111     (if (null dels)
2112         (message "No message to delete.")
2113       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2114                             (wl-summary-buffer-folder-name)
2115                             (length dels)))
2116           (progn
2117             (message "Deleting...")
2118             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2119                                        'null)
2120             (wl-summary-set-message-modified)
2121             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2122                                           (list 0 0 0))
2123 ;;; for thread.
2124 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2125             (setq wl-summary-buffer-unread-count 0)
2126             (setq wl-summary-buffer-new-count    0)
2127             (wl-summary-update-modeline)
2128             (set-buffer cur-buf)
2129             (let ((inhibit-read-only t)
2130                   (buffer-read-only nil))
2131               (erase-buffer))
2132 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2133             (message "Deleting...done")
2134             t)
2135         nil))))
2136
2137 (defun wl-summary-toggle-thread (&optional arg)
2138   "Toggle thread status (T)hread and (S)equential.
2139 If ARG, without confirm."
2140   (interactive "P")
2141   (when (or arg
2142             (y-or-n-p (format "Toggle threading? (y=%s): "
2143                               (if (eq wl-summary-buffer-view 'thread)
2144                                   "\"off\"" "\"on\""))))
2145     (if (eq wl-summary-buffer-view 'thread)
2146         (setq wl-summary-buffer-view 'sequence)
2147       (setq wl-summary-buffer-view 'thread))
2148     (wl-summary-update-modeline)
2149     (force-mode-line-update)
2150     (wl-summary-rescan nil nil t)))
2151
2152 (defun wl-summary-load-file-object (filename)
2153   "Load lisp object from dir."
2154   (save-excursion
2155     (let ((tmp-buffer (get-buffer-create " *wl-summary-load-file-object*"))
2156           insert-file-contents-pre-hook   ; To avoid autoconv-xmas...
2157           insert-file-contents-post-hook
2158           ret-val)
2159       (if (not (file-readable-p filename))
2160           ()
2161         (set-buffer tmp-buffer)
2162         (as-binary-input-file (insert-file-contents filename))
2163         (setq ret-val
2164               (condition-case nil
2165                   (read (current-buffer))
2166                 (error (error "Reading failed")))))
2167       (kill-buffer tmp-buffer)
2168       ret-val)))
2169
2170 (defun wl-summary-goto-folder (&optional arg)
2171   (interactive "P")
2172   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2173
2174 (defun wl-summary-goto-folder-sticky ()
2175   (interactive)
2176   (wl-summary-goto-folder-subr nil nil nil t t))
2177
2178 (defun wl-summary-goto-last-visited-folder ()
2179   (interactive)
2180   (let ((entity
2181          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2182                                           wl-folder-entity
2183                                           'folder)))
2184     (if entity (wl-folder-set-current-entity-id
2185                 (wl-folder-get-entity-id entity))))
2186   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2187
2188 (defun wl-summary-sticky-p (&optional folder)
2189   (if folder
2190       (get-buffer (wl-summary-sticky-buffer-name
2191                    (elmo-folder-name-internal folder)))
2192     (not (string= wl-summary-buffer-name (buffer-name)))))
2193
2194 (defun wl-summary-always-sticky-folder-p (folder)
2195   (or (eq t wl-summary-always-sticky-folder-list)
2196       (wl-string-match-member
2197        (elmo-folder-name-internal folder)
2198        wl-summary-always-sticky-folder-list)))
2199
2200 (defun wl-summary-stick (&optional force)
2201   "Make current summary buffer sticky."
2202   (interactive "P")
2203   (if (wl-summary-sticky-p)
2204       (message "Current summary buffer is already sticky.")
2205     (when (or force (y-or-n-p "Stick current summary buffer? "))
2206       (wl-summary-toggle-disp-msg 'off)
2207       (wl-summary-switch-to-clone-buffer
2208        (wl-summary-sticky-buffer-name
2209         (wl-summary-buffer-folder-name)))
2210 ;;; ???hang up
2211 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2212 ;;;                   (wl-summary-buffer-folder-name))))
2213       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2214
2215 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2216   (let ((cur-buf (current-buffer))
2217         (msg (wl-summary-message-number))
2218         (buf (get-buffer-create buffer-name))
2219         (folder wl-summary-buffer-elmo-folder)
2220         (copy-variables
2221          (append '(wl-summary-buffer-view
2222                    wl-summary-buffer-temp-mark-list
2223                    wl-summary-buffer-target-mark-list
2224                    wl-summary-buffer-elmo-folder
2225                    wl-summary-buffer-number-column
2226                    wl-summary-buffer-temp-mark-column
2227                    wl-summary-buffer-persistent-mark-column
2228                    wl-summary-buffer-message-modified
2229                    wl-summary-buffer-thread-modified
2230                    wl-summary-buffer-number-list
2231                    wl-summary-buffer-unsync-mark-number-list
2232                    wl-summary-buffer-folder-name
2233                    wl-summary-buffer-line-formatter)
2234                  (and (eq wl-summary-buffer-view 'thread)
2235                       '(wl-thread-entity-hashtb
2236                         wl-thread-entities
2237                         wl-thread-entity-list))
2238                  (and wl-use-scoring
2239                       '(wl-summary-scored
2240                         wl-summary-default-score
2241                         wl-summary-important-above
2242                         wl-summary-target-above
2243                         wl-summary-mark-below
2244                         wl-summary-expunge-below))
2245                  (and (featurep 'wl-score)
2246                       '(wl-current-score-file
2247                         wl-score-alist)))))
2248     (set-buffer buf)
2249     (wl-summary-mode)
2250     (wl-summary-buffer-set-folder folder)
2251     (let ((buffer-read-only nil))
2252       (insert-buffer cur-buf))
2253     (set-buffer-modified-p nil)
2254     (while copy-variables
2255       (set (car copy-variables)
2256            (save-excursion
2257              (set-buffer cur-buf)
2258              (symbol-value (car copy-variables))))
2259       (setq copy-variables (cdr copy-variables)))
2260     (switch-to-buffer buf)
2261     (kill-buffer cur-buf)
2262     (wl-summary-count-unread)
2263     (wl-summary-update-modeline)
2264     (if msg
2265         (if (eq wl-summary-buffer-view 'thread)
2266             (wl-thread-jump-to-msg msg)
2267           (wl-summary-jump-to-msg msg))
2268       (goto-char (point-max))
2269       (beginning-of-line))))
2270
2271 (defun wl-summary-get-buffer (folder)
2272   (or (and folder
2273            (get-buffer (wl-summary-sticky-buffer-name folder)))
2274       (get-buffer wl-summary-buffer-name)))
2275
2276 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2277   (if force-sticky
2278       (get-buffer-create
2279        (wl-summary-sticky-buffer-name name))
2280     (or (get-buffer (wl-summary-sticky-buffer-name name))
2281         (get-buffer-create wl-summary-buffer-name))))
2282
2283 (defun wl-summary-make-number-list ()
2284   (save-excursion
2285     (goto-char (point-min))
2286     (setq wl-summary-buffer-number-list nil)
2287     (while (not (eobp))
2288       (setq wl-summary-buffer-number-list
2289             (cons (wl-summary-message-number)
2290                   wl-summary-buffer-number-list))
2291       (forward-line 1))
2292     (setq wl-summary-buffer-number-list
2293           (nreverse wl-summary-buffer-number-list))))
2294
2295 (defun wl-summary-auto-select-msg-p (unread-msg)
2296   (and unread-msg
2297        (not (elmo-message-has-global-flag-p
2298              wl-summary-buffer-elmo-folder unread-msg))))
2299
2300 (defsubst wl-summary-open-folder (folder)
2301   ;; Select folder
2302   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2303     (unwind-protect
2304         (elmo-folder-open folder 'load-msgdb)
2305       ;; For compatibility
2306       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2307                                            folder)))))
2308
2309 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2310                                               sticky interactive scoring
2311                                               force-exit)
2312   "Display target folder on summary."
2313   (interactive)
2314   (let* ((keep-cursor (memq this-command
2315                             wl-summary-keep-cursor-command))
2316          (name (or name (wl-summary-read-folder wl-default-folder)))
2317          (cur-fld wl-summary-buffer-elmo-folder)
2318          folder buf mes hilit reuse-buf
2319          retval entity)
2320     (if (string= name "")
2321         (setq name wl-default-folder))
2322     (setq folder (wl-folder-get-elmo-folder name))
2323     (when (and (not (string=
2324                      (and cur-fld (elmo-folder-name-internal cur-fld))
2325                      (elmo-folder-name-internal folder))) ; folder is moved.
2326                (eq major-mode 'wl-summary-mode)) ; called in summary.
2327       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2328       (run-hooks 'wl-summary-exit-pre-hook)
2329       (if (or force-exit (not (wl-summary-sticky-p)))
2330           (wl-summary-cleanup-temp-marks))
2331       (wl-summary-save-view)
2332       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2333       (if (and (wl-summary-sticky-p) force-exit)
2334           (kill-buffer (current-buffer))))
2335     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2336                                             sticky))
2337     (setq reuse-buf
2338           (save-excursion
2339             (set-buffer buf)
2340             (string= (elmo-folder-name-internal folder)
2341                      (wl-summary-buffer-folder-name))))
2342     (unwind-protect
2343         (if reuse-buf
2344             (if interactive
2345                 (switch-to-buffer buf)
2346               (set-buffer buf))
2347           (if other-window
2348               (delete-other-windows))
2349           (set-buffer buf)
2350           (unless (eq major-mode 'wl-summary-mode)
2351             (wl-summary-mode))
2352           (wl-summary-buffer-set-folder folder)
2353           (setq wl-summary-buffer-disp-msg nil)
2354           (setq wl-summary-buffer-last-displayed-msg nil)
2355           (setq wl-summary-buffer-current-msg nil)
2356           (let ((inhibit-read-only t)
2357                 (buffer-read-only nil))
2358             (erase-buffer)
2359             ;; Resume summary view
2360             (if wl-summary-cache-use
2361                 (let* ((dir (elmo-folder-msgdb-path folder))
2362                        (cache (expand-file-name wl-summary-cache-file dir))
2363                        (view (expand-file-name wl-summary-view-file dir)))
2364                   (when (file-exists-p cache)
2365                     (insert-file-contents-as-binary cache)
2366                     (set-buffer-multibyte
2367                      default-enable-multibyte-characters)
2368                     (decode-mime-charset-region
2369                      (point-min)(point-max)
2370                      wl-summary-buffer-mime-charset 'LF))
2371                   (if (file-exists-p view)
2372                       (setq wl-summary-buffer-view
2373                             (wl-summary-load-file-object view))
2374                     (setq wl-summary-buffer-view
2375                           (or (wl-get-assoc-list-value
2376                                wl-summary-default-view-alist
2377                                (elmo-folder-name-internal folder))
2378                               wl-summary-default-view)))
2379                   (wl-thread-resume-entity folder)
2380                   (wl-summary-open-folder folder)
2381                   (wl-summary-detect-mark-position))
2382               (setq wl-summary-buffer-view
2383                     (wl-summary-load-file-object
2384                      (expand-file-name wl-summary-view-file
2385                                        (elmo-folder-msgdb-path folder))))
2386               (wl-summary-open-folder folder)
2387               (wl-summary-detect-mark-position)
2388               (wl-summary-rescan))
2389             (wl-summary-count-unread)
2390             (wl-summary-update-modeline)))
2391       (unless (eq wl-summary-buffer-view 'thread)
2392         (wl-summary-make-number-list))
2393       (setq wl-summary-buffer-unsync-mark-number-list
2394             (copy-sequence wl-summary-buffer-number-list))
2395       (when (and wl-summary-cache-use
2396                  (or (and wl-summary-check-line-format
2397                           (wl-summary-line-format-changed-p))
2398                      (wl-summary-view-old-p)))
2399         (wl-summary-rescan))
2400       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2401       (unless (and reuse-buf keep-cursor)
2402         (unwind-protect
2403             (let ((wl-use-scoring
2404                    (if (or scoring interactive) wl-use-scoring)))
2405               (if (and (not scan-type)
2406                        interactive
2407                        (not wl-ask-range))
2408                   (setq scan-type (wl-summary-get-sync-range folder)))
2409               (cond
2410                ((eq scan-type nil)
2411                 (wl-summary-sync 'unset-cursor))
2412                ((eq scan-type 'all)
2413                 (wl-summary-sync 'unset-cursor "all"))
2414                ((eq scan-type 'no-sync))
2415                ((eq scan-type 'rescan)
2416                 (wl-summary-rescan))
2417                ((or (eq scan-type 'force-update)
2418                     (eq scan-type 'update))
2419                 (setq mes (wl-summary-sync-force-update
2420                            'unset-cursor)))))
2421           (if interactive
2422               (switch-to-buffer buf)
2423             (set-buffer buf))
2424           ;; stick always-sticky-folder
2425           (when (wl-summary-always-sticky-folder-p folder)
2426             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2427           (run-hooks 'wl-summary-prepared-pre-hook)
2428           (set-buffer-modified-p nil)
2429           (goto-char (point-min))
2430           (if (wl-summary-cursor-down t)
2431               (let ((unreadp (wl-summary-next-message
2432                               (wl-summary-message-number)
2433                               'down t)))
2434                 (cond ((and wl-auto-select-first
2435                             (wl-summary-auto-select-msg-p unreadp))
2436                        ;; wl-auto-select-first is non-nil and
2437                        ;; unreadp is non-nil but not flagged
2438                        (setq retval 'disp-msg))
2439                       ((and wl-auto-prefetch-first
2440                             (wl-summary-auto-select-msg-p unreadp))
2441                        ;; wl-auto-select-first is non-nil and
2442                        ;; unreadp is non-nil but not flagged
2443                        (setq retval 'prefetch-msg))
2444                       ((not (wl-summary-auto-select-msg-p unreadp))
2445                        ;; unreadp is nil or flagged
2446                        (setq retval 'more-next))))
2447             (goto-char (point-max))
2448             (if (elmo-folder-plugged-p folder)
2449                 (forward-line -1)
2450               (wl-summary-prev))
2451             (setq retval 'more-next))
2452           (if (and wl-summary-highlight
2453                    (not wl-summary-lazy-highlight)
2454                    (not reuse-buf))
2455               (if (and wl-summary-highlight-partial-threshold
2456                        (> (count-lines (point-min) (point-max))
2457                           wl-summary-highlight-partial-threshold))
2458                   (save-excursion
2459                     (forward-line (-
2460                                    0
2461                                    (or
2462                                     wl-summary-partial-highlight-above-lines
2463                                     wl-summary-highlight-partial-threshold)))
2464                     (wl-highlight-summary (point) (point-max)))
2465                 (wl-highlight-summary (point-min) (point-max))))
2466           (if (eq retval 'disp-msg)
2467               (wl-summary-redisplay))
2468           (if (eq retval 'prefetch-msg)
2469               (wl-message-buffer-prefetch
2470                folder
2471                (wl-summary-message-number)
2472                wl-message-buffer-prefetch-depth
2473                (current-buffer)
2474                wl-summary-buffer-mime-charset))
2475           (if mes (message "%s" mes))
2476           (if (and interactive wl-summary-recenter)
2477               (recenter (/ (- (window-height) 2) 2))))))
2478     ;; set current entity-id
2479     (when (and folder
2480                (setq entity
2481                      (wl-folder-search-entity-by-name
2482                       (elmo-folder-name-internal folder)
2483                       wl-folder-entity
2484                       'folder)))
2485       ;; entity-id is unknown.
2486       (wl-folder-set-current-entity-id
2487        (wl-folder-get-entity-id entity)))
2488     (when (and wl-summary-buffer-window-scroll-functions
2489                wl-on-xemacs)
2490       (sit-for 0))
2491     (unwind-protect
2492         (run-hooks 'wl-summary-prepared-hook)
2493       (set-buffer-modified-p nil))
2494     retval))
2495
2496 (defun wl-summary-goto-previous-message-beginning ()
2497   (end-of-line)
2498   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2499   (beginning-of-line))
2500
2501 (defun wl-summary-goto-top-of-current-thread ()
2502   (wl-summary-jump-to-msg
2503    (wl-thread-entity-get-number
2504     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2505                                       (wl-summary-message-number))))))
2506
2507 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2508   (interactive)
2509   (let ((depth (or depth
2510                    (wl-thread-get-depth-of-current-line))))
2511     (forward-line 1)
2512     (while (and (not (eobp))
2513                 (>= (wl-thread-get-depth-of-current-line)
2514                     depth))
2515       (forward-line 1))
2516     (beginning-of-line)))
2517
2518 (defun wl-summary-insert-line (line)
2519   "Insert LINE in the Summary."
2520   (if wl-use-highlight-mouse-line
2521       ;; remove 'mouse-face of current line.
2522       (put-text-property
2523        (save-excursion (beginning-of-line)(point))
2524        (save-excursion (end-of-line)(point))
2525        'mouse-face nil))
2526   (insert line "\n")
2527   (if wl-use-highlight-mouse-line
2528       ;; remove 'mouse-face of current line.
2529       (put-text-property
2530        (save-excursion (beginning-of-line)(point))
2531        (save-excursion (end-of-line)(point))
2532        'mouse-face nil))
2533   (ignore-errors
2534     (run-hooks 'wl-summary-line-inserted-hook)))
2535
2536 (defun wl-summary-insert-sequential (entity folder &rest args)
2537   (when entity
2538     (let ((inhibit-read-only t)
2539           (number (elmo-message-entity-number entity))
2540           buffer-read-only)
2541       (goto-char (point-max))
2542       (wl-summary-insert-line
2543        (wl-summary-create-line entity nil nil
2544                                (elmo-message-flags
2545                                 wl-summary-buffer-elmo-folder
2546                                 number)
2547                                (elmo-message-cached-p
2548                                 wl-summary-buffer-elmo-folder
2549                                 number)))
2550       (setq wl-summary-buffer-number-list
2551             (wl-append wl-summary-buffer-number-list
2552                        (list (elmo-message-entity-number entity))))
2553       nil)))
2554
2555 (defun wl-summary-default-subject-filter (subject)
2556   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2557   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2558   (elmo-replace-in-string subject "^\\[.*\\]" ""))
2559
2560 (defun wl-summary-subject-equal (subject1 subject2)
2561   (string= (funcall wl-summary-subject-filter-function subject1)
2562            (funcall wl-summary-subject-filter-function subject2)))
2563
2564 (defmacro wl-summary-put-alike (alike)
2565   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2566                         (, alike)
2567                         wl-summary-alike-hashtb)))
2568
2569 (defmacro wl-summary-get-alike ()
2570   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2571                         wl-summary-alike-hashtb)))
2572
2573 (defun wl-summary-insert-headers (folder func mime-decode)
2574   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2575         ov this last alike)
2576     (buffer-disable-undo (current-buffer))
2577     (make-local-variable 'wl-summary-alike-hashtb)
2578     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2579     (when mime-decode
2580       (set-buffer-multibyte default-enable-multibyte-characters))
2581     (while (setq ov (elmo-message-entity folder (pop numbers)))
2582       (setq this (funcall func ov))
2583       (and this (setq this (std11-unfold-string this)))
2584       (if (equal last this)
2585           (setq alike (cons ov alike))
2586         (when last
2587           (wl-summary-put-alike alike)
2588           (insert last ?\n))
2589         (setq alike (list ov)
2590               last this)))
2591     (when last
2592       (wl-summary-put-alike alike)
2593       (insert last ?\n))
2594     (when mime-decode
2595       (decode-mime-charset-region (point-min) (point-max)
2596                                   elmo-mime-charset)
2597       (when (eq mime-decode 'mime)
2598         (eword-decode-region (point-min) (point-max))))
2599     (run-hooks 'wl-summary-insert-headers-hook)))
2600
2601 (defun wl-summary-search-by-subject (entity folder)
2602   (let ((summary-buf (current-buffer))
2603         (buf (get-buffer-create wl-summary-search-buf-name))
2604         (folder-name (wl-summary-buffer-folder-name))
2605         match founds result)
2606     (with-current-buffer buf
2607       (let ((case-fold-search t))
2608         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2609                   (zerop (buffer-size)))
2610           (setq wl-summary-search-buf-folder-name folder-name)
2611           (message "Creating subject cache...")
2612           (wl-summary-insert-headers
2613            folder
2614            (function
2615             (lambda (x)
2616               (funcall wl-summary-subject-filter-function
2617                        (elmo-message-entity-field x 'subject))))
2618            t)
2619           (message "Creating subject cache...done"))
2620         (setq match (funcall wl-summary-subject-filter-function
2621                              (elmo-message-entity-field entity 'subject
2622                                                         'decode)))
2623         (if (string= match "")
2624             (setq match "\n"))
2625         (goto-char (point-max))
2626         (while (and (null result)
2627                     (not (= (point) (point-min)))
2628                     (search-backward match nil t))
2629           ;; check exactly match
2630           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2631             (setq founds (wl-summary-get-alike))
2632             (with-current-buffer summary-buf
2633               (while founds
2634                 (when (and
2635                        ;; the first element of found-entity list exists on
2636                        ;; thread tree.
2637                        (wl-thread-get-entity
2638                         (elmo-message-entity-number (car founds)))
2639                        ;; message id is not same as myself.
2640                        (not (string=
2641                              (elmo-message-entity-field entity 'message-id)
2642                              (elmo-message-entity-field (car founds)
2643                                                         'message-id)))
2644                        ;; not a descendant.
2645                        (not (wl-thread-descendant-p
2646                              (elmo-message-entity-number entity)
2647                              (elmo-message-entity-number (car founds)))))
2648                   (setq result (car founds)
2649                         founds nil))
2650                 (setq founds (cdr founds))))))
2651         result))))
2652
2653 (defun wl-summary-insert-thread (entity folder update
2654                                         &optional force-insert)
2655   (let ((depth 0)
2656         this-id parent-entity parent-number
2657         number cur-entity linked retval delayed-entity
2658         update-list entity-stack thread-entity)
2659     (while entity
2660       (setq this-id (elmo-message-entity-field entity 'message-id)
2661             number (elmo-message-entity-number entity))
2662       (if (and wl-thread-saved-entity-hashtb-internal
2663                (setq thread-entity
2664                      (elmo-get-hash-val
2665                       (format "#%d" (elmo-message-entity-number entity))
2666                       wl-thread-saved-entity-hashtb-internal)))
2667           (setq parent-entity
2668                 (elmo-message-entity
2669                  folder
2670                  (wl-thread-entity-get-parent thread-entity))
2671                 linked (wl-thread-entity-get-linked thread-entity))
2672         (setq parent-entity (elmo-message-entity-parent folder entity)
2673               linked nil))
2674       (setq parent-number (and parent-entity
2675                                (elmo-message-entity-number parent-entity)))
2676       ;; If thread loop detected, set parent as nil.
2677       (let ((cur entity)
2678             anumber relatives)
2679         (while cur
2680           (when (setq anumber
2681                       (elmo-message-entity-number
2682                        (setq cur (elmo-message-entity-parent folder cur))))
2683             (if (memq anumber relatives)
2684                 (setq parent-number nil
2685                       cur nil))
2686             (setq relatives (cons anumber relatives)))))
2687       (if (and parent-number
2688                (not (wl-thread-get-entity parent-number))
2689                (not force-insert))
2690           ;; parent exists in overview, but not in wl-thread-entities
2691           (progn
2692             (wl-append wl-summary-delayed-update
2693                        (list (cons parent-number entity)))
2694             (setq entity nil)) ;; exit loop
2695         ;; Search parent by subject.
2696         (when (and (null parent-number)
2697                    wl-summary-search-parent-by-subject-regexp
2698                    (string-match
2699                     wl-summary-search-parent-by-subject-regexp
2700                     (elmo-message-entity-field entity 'subject)))
2701           (let ((found (wl-summary-search-by-subject entity folder)))
2702             (when (and found
2703                        (not (member found wl-summary-delayed-update)))
2704               (setq parent-entity found)
2705               (setq parent-number
2706                     (elmo-message-entity-number parent-entity))
2707               (setq linked t))))
2708         ;; If subject is change, divide thread.
2709         (if (and parent-number
2710                  wl-summary-divide-thread-when-subject-changed
2711                  (not (wl-summary-subject-equal
2712                        (or (elmo-message-entity-field entity
2713                                                       'subject t) "")
2714                        (or (elmo-message-entity-field parent-entity
2715                                                       'subject t) ""))))
2716             (setq parent-number nil))
2717         (setq retval
2718               (wl-thread-insert-message entity
2719                                         number parent-number update linked))
2720         (and retval
2721              (wl-append update-list (list retval)))
2722         (setq entity nil) ; exit loop
2723         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2724           (setq wl-summary-delayed-update
2725                 (delq delayed-entity wl-summary-delayed-update))
2726           ;; update delayed message
2727           (wl-append entity-stack (list (cdr delayed-entity)))))
2728       (if (and (not entity)
2729                entity-stack)
2730           (setq entity (pop entity-stack))))
2731     update-list))
2732
2733 (defun wl-summary-update-thread (entity
2734                                  thr-entity
2735                                  parent-entity)
2736   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2737          (overview-entity entity)
2738          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2739          (number (elmo-message-entity-number entity))
2740          (parent-number (elmo-message-entity-number parent-entity))
2741          insert-line)
2742     (cond
2743      ((or (not parent-id)
2744           (string= this-id parent-id))
2745       (goto-char (point-max))
2746       (beginning-of-line)
2747       (setq insert-line t))
2748      ;; parent already exists in buffer.
2749      ((wl-summary-jump-to-msg parent-number)
2750       (wl-thread-goto-bottom-of-sub-thread)
2751       (setq insert-line t)))
2752     (when insert-line
2753       (let (buffer-read-only)
2754         (wl-summary-insert-line
2755          (wl-summary-create-line
2756           entity
2757           parent-entity
2758           nil
2759           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2760           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2761           (wl-thread-maybe-get-children-num number)
2762           (wl-thread-make-indent-string thr-entity)
2763           (wl-thread-entity-get-linked thr-entity)))))))
2764
2765 (defun wl-summary-target-mark-msgs (msgs)
2766   "Return the number of marked messages."
2767   (let ((i 0))
2768     (dolist (number msgs)
2769       (when (wl-summary-target-mark number)
2770         (setq i (1+ i))))
2771     i))
2772
2773 (defun wl-summary-pick (&optional from-list delete-marks)
2774   (interactive)
2775   (save-excursion
2776     (let* ((condition (car (elmo-parse-search-condition
2777                             (elmo-read-search-condition
2778                              wl-summary-pick-field-default))))
2779            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2780                                        condition
2781                                        from-list))
2782            num)
2783       (if delete-marks
2784           (let ((mlist wl-summary-buffer-target-mark-list))
2785             (while mlist
2786               (when (wl-summary-jump-to-msg (car mlist))
2787                 (wl-summary-unmark))
2788               (setq mlist (cdr mlist)))
2789             (setq wl-summary-buffer-target-mark-list nil)))
2790       (if (and result
2791                (setq num (wl-summary-target-mark-msgs result))
2792                (> num 0))
2793           (if (= num (length result))
2794               (message "%d message(s) are picked." num)
2795             (message "%d(%d) message(s) are picked." num
2796                      (- (length result) num)))
2797         (message "No message was picked.")))))
2798
2799 (defun wl-summary-unvirtual ()
2800   "Exit from current virtual folder."
2801   (interactive)
2802   (if (eq 'filter
2803           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2804       (wl-summary-goto-folder-subr
2805        (elmo-folder-name-internal
2806         (elmo-filter-folder-target-internal
2807          wl-summary-buffer-elmo-folder))
2808        'update nil nil t)
2809     (error "This folder is not filtered")))
2810
2811 (defun wl-summary-virtual (&optional arg)
2812   "Goto virtual folder.
2813 If ARG, exit virtual folder."
2814   (interactive "P")
2815   (if arg
2816       (wl-summary-unvirtual)
2817     (wl-summary-goto-folder-subr (concat "/"
2818                                          (elmo-read-search-condition
2819                                           wl-summary-pick-field-default)
2820                                          "/"
2821                                          (wl-summary-buffer-folder-name))
2822                                  'update nil nil t)
2823     (run-hooks 'wl-summary-virtual-hook)))
2824
2825 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2826   "Erase all temp marks from buffer."
2827   (interactive)
2828   (when (or wl-summary-buffer-target-mark-list
2829             wl-summary-buffer-temp-mark-list
2830             wl-summary-scored)
2831     (save-excursion
2832       (goto-char (point-min))
2833       (unless no-msg
2834         (message "Unmarking..."))
2835       (while (not (eobp))
2836         (wl-summary-unset-mark nil nil force)
2837         (forward-line 1))
2838       (unless no-msg
2839         (message "Unmarking...done"))
2840       (setq wl-summary-buffer-target-mark-list nil)
2841       (setq wl-summary-buffer-temp-mark-list nil))))
2842
2843 (defsubst wl-summary-temp-mark (&optional number)
2844   "Return temp-mark string of current line."
2845   (let ((number (or number (wl-summary-message-number)))
2846         info)
2847     (or (and (wl-summary-have-target-mark-p number)
2848              "*")
2849         (and (setq info (wl-summary-registered-temp-mark number))
2850              (nth 1 info))
2851         (wl-summary-get-score-mark number)
2852         " ")))
2853
2854 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2855   "Return the persistent mark string.
2856 The mark is decided according to the FOLDER, FLAGS and CACHED."
2857   (let ((priorities wl-summary-persistent-mark-priority-list)
2858         mark)
2859     (while (and (null mark) priorities)
2860       (if (and (eq (car priorities) 'flag)
2861                (elmo-get-global-flags flags 'ignore-preserved))
2862           (let ((specs wl-summary-flag-alist)
2863                 spec)
2864             (while (setq spec (car specs))
2865               (if (memq (car spec) flags)
2866                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2867                         specs nil)
2868                 (setq specs (cdr specs))))
2869             (unless mark
2870               (setq mark wl-summary-flag-mark)))
2871         (when (memq (car priorities) flags)
2872           (setq mark
2873                 (or (case (car priorities)
2874                       (new
2875                        (if cached
2876                            wl-summary-new-cached-mark
2877                          wl-summary-new-uncached-mark))
2878                       (answered
2879                        (if cached
2880                            wl-summary-answered-cached-mark
2881                          wl-summary-answered-uncached-mark))
2882                       (unread
2883                        (if cached
2884                            wl-summary-unread-cached-mark
2885                          wl-summary-unread-uncached-mark)))))))
2886       (setq priorities (cdr priorities)))
2887     (or mark
2888         (if (or cached (elmo-folder-local-p folder))
2889             nil
2890           wl-summary-read-uncached-mark))))
2891
2892 (defsubst wl-summary-message-mark (folder number &optional flags)
2893   "Return mark of the message."
2894   (ignore-errors
2895     (wl-summary-persistent-mark-string
2896      folder
2897      (or flags (setq flags (elmo-message-flags folder number)))
2898      (memq 'cached flags) ; XXX for speed-up.
2899      )))
2900
2901 (defsubst wl-summary-persistent-mark (&optional number flags)
2902   "Return persistent-mark string of current line."
2903   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
2904                                (or number (wl-summary-message-number))
2905                                flags)
2906       " "))
2907
2908 (defun wl-summary-put-temp-mark (mark)
2909   "Put temp MARK on current line."
2910   (when wl-summary-buffer-temp-mark-column
2911     (save-excursion
2912       (beginning-of-line)
2913       (let ((inhibit-read-only t)
2914             (buffer-read-only nil))
2915         (move-to-column wl-summary-buffer-temp-mark-column)
2916         (delete-backward-char 1)
2917         (insert mark)))))
2918
2919 (defun wl-summary-next-buffer ()
2920   "Switch to next summary buffer."
2921   (interactive)
2922   (let ((buffers (sort (wl-collect-summary)
2923                        (lambda (buffer1 buffer2)
2924                          (string-lessp (buffer-name buffer1)
2925                                        (buffer-name buffer2))))))
2926     (switch-to-buffer
2927      (or (cadr (memq (current-buffer) buffers))
2928          (car buffers)))))
2929
2930 (defun wl-summary-previous-buffer ()
2931   "Switch to previous summary buffer."
2932   (interactive)
2933   (let ((buffers (sort (wl-collect-summary)
2934                        (lambda (buffer1 buffer2)
2935                          (not (string-lessp (buffer-name buffer1)
2936                                             (buffer-name buffer2)))))))
2937     (switch-to-buffer
2938      (or (cadr (memq (current-buffer) buffers))
2939          (car buffers)))))
2940
2941 (defun wl-summary-target-mark-mark-as-read ()
2942   (interactive)
2943   (save-excursion
2944     (goto-char (point-min))
2945     (let ((inhibit-read-only t)
2946           (buffer-read-only nil)
2947           wl-summary-buffer-disp-msg)
2948       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
2949       (dolist (number wl-summary-buffer-target-mark-list)
2950         (wl-summary-unset-mark number)))))
2951
2952 (defun wl-summary-target-mark-mark-as-unread ()
2953   (interactive)
2954   (save-excursion
2955     (goto-char (point-min))
2956     (let ((inhibit-read-only t)
2957           (buffer-read-only nil)
2958           wl-summary-buffer-disp-msg)
2959       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
2960       (dolist (number wl-summary-buffer-target-mark-list)
2961         (wl-summary-unset-mark number)))))
2962
2963 (defun wl-summary-target-mark-operation (flag)
2964   (save-excursion
2965     (goto-char (point-min))
2966     (let ((inhibit-read-only t)
2967           (buffer-read-only nil)
2968           wl-summary-buffer-disp-msg)
2969       (funcall
2970        (intern (format "wl-summary-mark-as-%s-internal" flag))
2971        nil
2972        wl-summary-buffer-target-mark-list)
2973       (dolist (number wl-summary-buffer-target-mark-list)
2974         (wl-summary-unset-mark number)))))
2975
2976 (defun wl-summary-target-mark-mark-as-important ()
2977   (interactive)
2978   (wl-summary-target-mark-operation 'important))
2979
2980 (defun wl-summary-target-mark-mark-as-answered ()
2981   (interactive)
2982   (wl-summary-target-mark-operation 'answered))
2983
2984 (defun wl-summary-target-mark-set-flags ()
2985   (interactive)
2986   (save-excursion
2987     (let ((inhibit-read-only t)
2988           (buffer-read-only nil)
2989           wl-summary-buffer-disp-msg
2990           flags)
2991       (dolist (number wl-summary-buffer-target-mark-list)
2992         (setq flags (wl-summary-set-flags-internal number flags)))
2993       (wl-summary-delete-all-target-marks)
2994       (wl-summary-count-unread)
2995       (wl-summary-update-modeline))))
2996
2997 (defun wl-summary-target-mark-save ()
2998   (interactive)
2999   (let ((wl-save-dir
3000          (wl-read-directory-name "Save to directory: "
3001                                  wl-temporary-file-directory))
3002         number)
3003     (if (null (file-exists-p wl-save-dir))
3004         (make-directory wl-save-dir))
3005     (while (setq number (car wl-summary-buffer-target-mark-list))
3006       (wl-thread-jump-to-msg number)
3007       (wl-summary-save t wl-save-dir)
3008       (wl-summary-unmark))))
3009
3010 (defun wl-summary-target-mark-pick ()
3011   (interactive)
3012   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3013
3014 (defun wl-summary-update-persistent-mark (&optional number flags)
3015   "Synch up persistent mark of current line with msgdb's.
3016 Return non-nil if the mark is updated"
3017   (prog1
3018       (when wl-summary-buffer-persistent-mark-column
3019         (save-excursion
3020           (move-to-column wl-summary-buffer-persistent-mark-column)
3021           (let ((inhibit-read-only t)
3022                 (buffer-read-only nil)
3023                 (mark (buffer-substring (- (point) 1) (point)))
3024                 (new-mark (wl-summary-persistent-mark number flags)))
3025             (unless (string= new-mark mark)
3026               (delete-backward-char 1)
3027               (insert new-mark)
3028               (wl-summary-set-message-modified)
3029               t))))
3030     (when wl-summary-highlight
3031       (wl-highlight-summary-current-line))
3032     (set-buffer-modified-p nil)))
3033
3034 (defsubst wl-summary-mark-as-read-internal (inverse
3035                                             number-or-numbers
3036                                             no-folder-mark
3037                                             no-modeline-update)
3038   (save-excursion
3039     (let ((folder wl-summary-buffer-elmo-folder)
3040           unread-message number
3041           number-list visible)
3042       (setq number-list (cond ((numberp number-or-numbers)
3043                                (setq unread-message
3044                                      (elmo-message-flagged-p
3045                                       folder
3046                                       number-or-numbers
3047                                       'unread))
3048                                (list number-or-numbers))
3049                               ((and (not (null number-or-numbers))
3050                                     (listp number-or-numbers))
3051                                number-or-numbers)
3052                               ((setq number (wl-summary-message-number))
3053                                ;; interactive
3054                                (setq unread-message
3055                                      (elmo-message-flagged-p
3056                                       folder
3057                                       number
3058                                       'unread))
3059                                (list number))))
3060       (if (null number-list)
3061           (message "No message.")
3062         (if inverse
3063             (elmo-folder-unset-flag folder number-list 'read no-folder-mark)
3064           (elmo-folder-set-flag folder number-list 'read no-folder-mark))
3065         (dolist (number number-list)
3066           (setq visible (wl-summary-jump-to-msg number))
3067           (unless inverse
3068             (when unread-message
3069               (run-hooks 'wl-summary-unread-message-hook)))
3070           ;; set mark on buffer
3071           (when visible
3072             (wl-summary-update-persistent-mark)))
3073         (unless no-modeline-update
3074           ;; Update unread numbers.
3075           (wl-summary-count-unread)
3076           (wl-summary-update-modeline)
3077           (wl-folder-update-unread
3078            (wl-summary-buffer-folder-name)
3079            (+ wl-summary-buffer-unread-count
3080               wl-summary-buffer-new-count)))))))
3081
3082 (defun wl-summary-mark-as-read (&optional number-or-numbers
3083                                           no-folder-mark
3084                                           no-modeline-update)
3085   (interactive)
3086   (wl-summary-mark-as-read-internal nil
3087                                     number-or-numbers
3088                                     no-folder-mark
3089                                     no-modeline-update))
3090
3091 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3092                                             no-folder-mark
3093                                             no-modeline-update)
3094   (interactive)
3095   (wl-summary-mark-as-read-internal 'inverse
3096                                     number-or-numbers
3097                                     no-folder-mark
3098                                     no-modeline-update))
3099
3100 (defsubst wl-summary-mark-as-answered-internal (inverse
3101                                                 &optional
3102                                                 number-or-numbers
3103                                                 no-modeline-update)
3104   (save-excursion
3105     (let ((folder wl-summary-buffer-elmo-folder)
3106           number number-list visible)
3107       (setq number-list (cond ((numberp number-or-numbers)
3108                                (list number-or-numbers))
3109                               ((and (not (null number-or-numbers))
3110                                     (listp number-or-numbers))
3111                                number-or-numbers)
3112                               ((setq number (wl-summary-message-number))
3113                                ;; interactive
3114                                (list number))))
3115       (if (null number-list)
3116           (message "No message.")
3117         (if inverse
3118             (elmo-folder-unset-flag folder number-list 'answered)
3119           (elmo-folder-set-flag folder number-list 'answered))
3120         (dolist (number number-list)
3121           (setq visible (wl-summary-jump-to-msg number))
3122           ;; set mark on buffer
3123           (when visible
3124             (wl-summary-update-persistent-mark)))
3125         (unless no-modeline-update
3126           ;; Update unread numbers.
3127           ;; should elmo-flag-mark-as-read return unread numbers?
3128           (wl-summary-count-unread)
3129           (wl-summary-update-modeline)
3130           (wl-folder-update-unread
3131            (wl-summary-buffer-folder-name)
3132            (+ wl-summary-buffer-unread-count
3133               wl-summary-buffer-new-count)))))))
3134
3135 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3136                                               no-modeline-update)
3137   (interactive)
3138   (wl-summary-mark-as-answered-internal
3139    (and (interactive-p)
3140         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3141                                 (wl-summary-message-number)
3142                                 'answered))
3143    number-or-numbers
3144    no-modeline-update))
3145
3146 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3147                                                 no-modeline-update)
3148   (wl-summary-mark-as-answered-internal 'inverse
3149                                         number-or-numbers
3150                                         no-modeline-update))
3151
3152 (defun wl-summary-decide-flag (folder number)
3153   (let ((flags (elmo-get-global-flags (elmo-message-flags
3154                                        folder number)))
3155         (completion-ignore-case t)
3156         new-flags)
3157     (setq new-flags
3158           (delq nil
3159                 (mapcar
3160                  (lambda (flag)
3161                    (and (> (length flag) 0)
3162                         (intern (downcase flag))))
3163                  (wl-completing-read-multiple
3164                   "Flags: "
3165                   (mapcar (lambda (flag)
3166                             (list (capitalize (symbol-name flag))))
3167                           elmo-global-flag-list)
3168                   nil nil (mapconcat (lambda (flag)
3169                                        (capitalize (symbol-name flag)))
3170                                      flags
3171                                      ",")))))
3172     (dolist (flag new-flags)
3173       (unless (memq flag elmo-global-flag-list)
3174         (if (y-or-n-p (format "Flag `%s' does not exist yet. Create?"
3175                               (capitalize (symbol-name flag))))
3176             (setq elmo-global-flag-list (append
3177                                          elmo-global-flag-list
3178                                          (list flag)))
3179           (error "Stopped"))))
3180     new-flags))
3181
3182 (defsubst wl-summary-set-flags-internal (&optional
3183                                         number-or-numbers
3184                                         flags
3185                                         local
3186                                         remove-all)
3187   (save-excursion
3188     (let ((folder wl-summary-buffer-elmo-folder)
3189           number number-list visible)
3190       (setq number-list (cond ((numberp number-or-numbers)
3191                                (list number-or-numbers))
3192                               ((and (not (null number-or-numbers))
3193                                     (listp number-or-numbers))
3194                                number-or-numbers)
3195                               ((setq number (wl-summary-message-number))
3196                                ;; interactive
3197                                (list number))))
3198       (if remove-all
3199           (setq flags nil)
3200         (unless flags
3201           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3202       (if (null number-list)
3203           (message "No message.")
3204         (dolist (number number-list)
3205           (elmo-message-set-global-flags folder number flags local)
3206           (setq visible (wl-summary-jump-to-msg number))
3207           ;; set mark on buffer
3208           (when visible
3209             (wl-summary-update-persistent-mark))))
3210       flags)))
3211
3212 (defsubst wl-summary-add-flags-internal (&optional
3213                                          number-or-numbers
3214                                          flags
3215                                          local)
3216   (save-excursion
3217     (let ((folder wl-summary-buffer-elmo-folder)
3218           set-flags msg number-list visible)
3219       (setq number-list (cond ((numberp number-or-numbers)
3220                                (list number-or-numbers))
3221                               ((and (not (null number-or-numbers))
3222                                     (listp number-or-numbers))
3223                                number-or-numbers)
3224                               ((setq msg (wl-summary-message-number))
3225                                ;; interactive
3226                                (list msg))))
3227       (if (null number-list)
3228           (message "No message.")
3229         (dolist (number number-list)
3230           (setq set-flags
3231                 (elmo-get-global-flags
3232                  (elmo-message-flags folder number)))
3233           (setq set-flags (nconc flags set-flags))
3234           (elmo-message-set-global-flags folder number set-flags local)
3235           (setq visible (wl-summary-jump-to-msg number))
3236           ;; set mark on buffer
3237           (when visible
3238             (wl-summary-update-persistent-mark)))))))
3239
3240 (defsubst wl-summary-remove-flags-internal (&optional
3241                                             number-or-numbers
3242                                             flags
3243                                             local)
3244   (save-excursion
3245     (let ((folder wl-summary-buffer-elmo-folder)
3246           set-flags msg number-list visible)
3247       (setq number-list (cond ((numberp number-or-numbers)
3248                                (list number-or-numbers))
3249                               ((and (not (null number-or-numbers))
3250                                     (listp number-or-numbers))
3251                                number-or-numbers)
3252                               ((setq msg (wl-summary-message-number))
3253                                ;; interactive
3254                                (list msg))))
3255       (if (null number-list)
3256           (message "No message.")
3257         (dolist (number number-list)
3258           (setq set-flags (elmo-get-global-flags
3259                            (elmo-message-flags folder number)))
3260           (dolist (flag flags)
3261             (setq set-flags (delq flag set-flags)))
3262           (elmo-message-set-global-flags folder number set-flags local)
3263           (setq visible (wl-summary-jump-to-msg number))
3264           ;; set mark on buffer
3265           (when visible
3266             (wl-summary-update-persistent-mark)))))))
3267
3268 (defun wl-summary-set-flags (&optional remove)
3269   (interactive "P")
3270   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3271       (error "Cannot process flags in this folder"))
3272   (wl-summary-set-flags-internal nil nil nil remove))
3273
3274 (defun wl-summary-mark-as-important-internal (inverse
3275                                               &optional number-or-numbers)
3276   (if inverse
3277       (wl-summary-remove-flags-internal number-or-numbers '(important))
3278     (wl-summary-add-flags-internal number-or-numbers '(important))))
3279
3280 (defun wl-summary-mark-as-important (&optional prompt)
3281   (interactive "P")
3282   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3283       (error "Cannot process flags in this folder"))
3284   (if prompt
3285       (wl-summary-set-flags-internal)
3286     (wl-summary-mark-as-important-internal
3287      (and (interactive-p)
3288           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3289                                   (wl-summary-message-number)
3290                                   'important)))))
3291
3292 ;;; Summary line.
3293 (defvar wl-summary-line-formatter nil)
3294
3295 (defun wl-summary-view-old-p ()
3296   "Return non-nil when summary view cache has old format."
3297   (save-excursion
3298     (goto-char (point-min))
3299     (and wl-summary-buffer-number-list
3300          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3301
3302 (defun wl-summary-line-format-changed-p ()
3303   "Return non-nil when summary line format is changed."
3304   (not (string=
3305         wl-summary-buffer-line-format
3306         (or (elmo-object-load (expand-file-name
3307                                wl-summary-line-format-file
3308                                (elmo-folder-msgdb-path
3309                                 wl-summary-buffer-elmo-folder))
3310                               wl-summary-buffer-mime-charset)
3311             wl-summary-buffer-line-format))))
3312
3313 (defun wl-summary-line-format-save ()
3314   "Save current summary line format."
3315   (elmo-object-save
3316    (expand-file-name wl-summary-line-format-file
3317                      (elmo-folder-msgdb-path
3318                       wl-summary-buffer-elmo-folder))
3319    wl-summary-buffer-line-format
3320    wl-summary-buffer-mime-charset))
3321
3322 (defun wl-summary-line-number ()
3323   (wl-set-string-width
3324    (- wl-summary-buffer-number-column)
3325    (number-to-string
3326     (elmo-message-entity-number wl-message-entity))))
3327
3328 (defun wl-summary-line-year ()
3329   (aref wl-datevec 0))
3330 (defun wl-summary-line-month ()
3331   (format "%02d" (aref wl-datevec 1)))
3332 (defun wl-summary-line-day ()
3333   (format "%02d" (aref wl-datevec 2)))
3334 (defun wl-summary-line-day-of-week ()
3335   (condition-case nil
3336       (elmo-date-get-week (aref wl-datevec 0)
3337                           (aref wl-datevec 1)
3338                           (aref wl-datevec 2))
3339     (error "??")))
3340 (defun wl-summary-line-hour ()
3341   (format "%02d" (aref wl-datevec 3)))
3342 (defun wl-summary-line-minute ()
3343   (format "%02d" (aref wl-datevec 4)))
3344
3345 (defun wl-summary-line-size ()
3346   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3347     (if size
3348         (cond
3349          ((<= 1 (/ size 1048576))
3350           (format "%.0fM" (/ size 1048576.0)))
3351          ((<= 1 (/ size 1024))
3352           (format "%.0fK" (/ size 1024.0)))
3353          (t (format "%dB" size)))
3354       "")))
3355
3356 (defun wl-summary-line-subject ()
3357   (let (no-parent subject parent-raw-subject parent-subject)
3358     (if (string= wl-thr-indent-string "")
3359         (setq no-parent t)) ; no parent
3360     (setq subject
3361           (elmo-delete-char ?\n
3362                             (or (elmo-message-entity-field
3363                                  wl-message-entity
3364                                  'subject t)
3365                                 wl-summary-no-subject-message)))
3366     (setq parent-raw-subject
3367           (elmo-message-entity-field wl-parent-message-entity
3368                                      'subject t))
3369     (setq parent-subject
3370           (if parent-raw-subject
3371               (elmo-delete-char ?\n parent-raw-subject)))
3372     (if (or no-parent
3373             (null parent-subject)
3374             (not (wl-summary-subject-equal
3375                   subject parent-subject)))
3376         (funcall wl-summary-subject-function subject)
3377       "")))
3378
3379 (defun wl-summary-line-from ()
3380   (elmo-delete-char ?\n
3381                     (funcall wl-summary-from-function
3382                              (elmo-message-entity-field
3383                               wl-message-entity
3384                               'from t))))
3385
3386 (defun wl-summary-line-list-info ()
3387   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3388     (if (car list-info)
3389         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3390                 (car list-info) (cdr list-info))
3391       "")))
3392
3393 (defun wl-summary-line-list-count ()
3394   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3395     (if ml-count
3396         (format "%.0f" ml-count)
3397       "")))
3398
3399 (defun wl-summary-line-attached ()
3400   (let ((content-type (elmo-message-entity-field
3401                        wl-message-entity 'content-type))
3402         (case-fold-search t))
3403     (if (and content-type
3404              (string-match "multipart/mixed" content-type))
3405         "@"
3406       "")))
3407
3408 ;;; For future use.
3409 ;;(defun wl-summary-line-cached ()
3410 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3411 ;;                           (elmo-message-entity-number wl-message-entity))
3412 ;;      " "
3413 ;;    "u"))
3414
3415 (defun wl-summary-create-line (wl-message-entity
3416                                wl-parent-message-entity
3417                                wl-temp-mark
3418                                wl-flags
3419                                wl-cached
3420                                &optional
3421                                wl-thr-children-number
3422                                wl-thr-indent-string
3423                                wl-thr-linked)
3424   "Create a summary line."
3425   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3426         (wl-persistent-mark (wl-summary-persistent-mark-string
3427                              wl-summary-buffer-elmo-folder
3428                              wl-flags
3429                              wl-cached))
3430         (elmo-mime-charset wl-summary-buffer-mime-charset)
3431         (elmo-lang wl-summary-buffer-weekday-name-lang)
3432         (wl-datevec (or (ignore-errors (timezone-fix-time
3433                                         (elmo-message-entity-field
3434                                          wl-message-entity
3435                                          'date)
3436                                         nil
3437                                         wl-summary-fix-timezone))
3438                         (make-vector 5 0)))
3439         (entity wl-message-entity) ; backward compatibility.
3440         line mark)
3441     (if (and wl-thr-indent-string
3442              wl-summary-indent-length-limit
3443              (< wl-summary-indent-length-limit
3444                 (string-width wl-thr-indent-string)))
3445         (setq wl-thr-indent-string (wl-set-string-width
3446                                     wl-summary-indent-length-limit
3447                                     wl-thr-indent-string)))
3448     (setq line (funcall wl-summary-buffer-line-formatter))
3449     (if wl-summary-width (setq line
3450                                (wl-set-string-width
3451                                 (- wl-summary-width 1) line nil
3452                                 'ignore-invalid)))
3453     (setq line (concat line
3454                        "\r"
3455                        (number-to-string
3456                         (elmo-message-entity-number
3457                          wl-message-entity))))
3458     (if wl-summary-highlight
3459         (wl-highlight-summary-line-string
3460          (elmo-message-entity-number wl-message-entity)
3461          line
3462          wl-flags
3463          wl-temp-mark
3464          wl-thr-indent-string))
3465     line))
3466
3467 (defsubst wl-summary-proc-wday (wday-str year month mday)
3468   (save-match-data
3469     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3470         (wl-match-string 1 wday-str)
3471       (elmo-date-get-week year month mday))))
3472
3473 (defvar wl-summary-move-spec-alist
3474   '((new . ((t . nil)
3475             (p . new)
3476             (p . unread)
3477             (p . digest)))
3478     (unread . ((t . nil)
3479                (p . unread)
3480                (p . digest)))))
3481
3482 (defsubst wl-summary-next-message (num direction hereto)
3483   (if wl-summary-buffer-next-message-function
3484       (funcall wl-summary-buffer-next-message-function num direction hereto)
3485     (let ((cur-spec (cdr (assq wl-summary-move-order
3486                                wl-summary-move-spec-alist)))
3487           (nums (memq num (if (eq direction 'up)
3488                               (reverse wl-summary-buffer-number-list)
3489                             wl-summary-buffer-number-list)))
3490           flagged-list nums2)
3491       (unless hereto (setq nums (cdr nums)))
3492       (setq nums2 nums)
3493       (if cur-spec
3494           (catch 'done
3495             (while cur-spec
3496               (setq nums nums2)
3497               (cond ((eq (car (car cur-spec)) 'p)
3498                      (if (setq flagged-list
3499                                (elmo-folder-list-flagged
3500                                 wl-summary-buffer-elmo-folder
3501                                 (cdr (car cur-spec)) t))
3502                          (while nums
3503                            (if (and (memq (car nums) flagged-list)
3504                                     (elmo-message-accessible-p
3505                                      wl-summary-buffer-elmo-folder
3506                                      (car nums)))
3507                                (throw 'done (car nums)))
3508                            (setq nums (cdr nums)))))
3509                     ((eq (car (car cur-spec)) 't)
3510                      (if wl-summary-buffer-target-mark-list
3511                          (while nums
3512                            (if (memq (car nums)
3513                                      wl-summary-buffer-target-mark-list)
3514                                (throw 'done (car nums)))
3515                            (setq nums (cdr nums))))))
3516               (setq cur-spec (cdr cur-spec))))
3517         (car nums)))))
3518
3519 (defsubst wl-summary-cursor-move (direction hereto)
3520   (when (and (eq direction 'up)
3521              (eobp))
3522     (forward-line -1)
3523     (setq hereto t))
3524   (let (num)
3525     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3526                                              direction hereto))
3527       (if (numberp num)
3528           (wl-thread-jump-to-msg num))
3529       t)))
3530 ;;
3531 ;; Goto unread or global flag message
3532 ;; returns t if next message exists in this folder.
3533 (defun wl-summary-cursor-down (&optional hereto)
3534   (interactive "P")
3535   (wl-summary-cursor-move 'down hereto))
3536
3537 (defun wl-summary-cursor-up (&optional hereto)
3538   (interactive "P")
3539   (wl-summary-cursor-move 'up hereto))
3540
3541 (defun wl-summary-save-view-cache ()
3542   (save-excursion
3543     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3544            (cache (expand-file-name wl-summary-cache-file dir))
3545            (view (expand-file-name wl-summary-view-file dir))
3546            (save-view wl-summary-buffer-view)
3547            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3548            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3549            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3550            (temp-column wl-summary-buffer-temp-mark-column)
3551            (charset wl-summary-buffer-mime-charset))
3552       (when dir
3553         (if (file-directory-p dir)
3554             (); ok.
3555           (if (file-exists-p dir)
3556               (error "File %s already exists" dir)
3557             (elmo-make-directory dir)))
3558         (if (eq save-view 'thread)
3559             (wl-thread-save-entity dir))
3560         (when wl-summary-check-line-format
3561           (wl-summary-line-format-save))
3562         (unwind-protect
3563             (progn
3564               (when (file-writable-p cache)
3565                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3566                 (with-current-buffer tmp-buffer
3567                   (widen)
3568                   (make-local-variable 'wl-summary-highlight)
3569                   (setq wl-summary-highlight nil
3570                         wl-summary-buffer-target-mark-list mark-list
3571                         wl-summary-buffer-temp-mark-list temp-list
3572                         wl-summary-buffer-temp-mark-column temp-column)
3573                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3574                   (encode-coding-region
3575                    (point-min) (point-max)
3576                    (or (and wl-on-mule
3577                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3578                             (mime-charset-to-coding-system charset 'LF))
3579                        ;; Mule 2 doesn't have `*ctext*unix'.
3580                        (mime-charset-to-coding-system charset)))
3581                   (write-region-as-binary (point-min)(point-max)
3582                                           cache nil 'no-msg)))
3583               (when (file-writable-p view) ; 'thread or 'sequence
3584                 (save-excursion
3585                   (set-buffer tmp-buffer)
3586                   (erase-buffer)
3587                   (prin1 save-view tmp-buffer)
3588                   (princ "\n" tmp-buffer)
3589                   (write-region (point-min) (point-max) view nil 'no-msg))))
3590           ;; kill tmp buffer.
3591           (kill-buffer tmp-buffer))))))
3592
3593 (defsubst wl-summary-get-sync-range (folder)
3594   (intern (or (and
3595                (elmo-folder-plugged-p folder)
3596                (wl-get-assoc-list-value
3597                 wl-folder-sync-range-alist
3598                 (elmo-folder-name-internal folder)
3599                 'function))
3600               wl-default-sync-range)))
3601
3602 ;; redefined for wl-summary-sync-update
3603 (defun wl-summary-input-range (folder)
3604   "returns update or all or rescan."
3605   ;; for the case when parts are expanded in the bottom of the folder
3606   (let ((input-range-list '("no-sync"
3607                             "first:"
3608                             "last:"
3609                             "cache-status"
3610                             "mark"
3611                             "rescan"
3612                             "rescan-noscore"
3613                             "rescan-thread"
3614                             "update"
3615                             "update-entirely"
3616                             "all"
3617                             "all-entirely"))
3618         (default (or (wl-get-assoc-list-value
3619                       wl-folder-sync-range-alist
3620                       folder
3621                       'function)
3622                      wl-default-sync-range))
3623         range)
3624     (setq range
3625           (completing-read (format "Range (%s): " default)
3626                            (mapcar
3627                             (function (lambda (x) (cons x x)))
3628                             input-range-list)))
3629     (if (string= range "")
3630         default
3631       range)))
3632
3633 (defun wl-summary-toggle-disp-folder (&optional arg)
3634   (interactive)
3635   (let ((cur-buf (current-buffer))
3636         (summary-win (get-buffer-window (current-buffer)))
3637         fld-buf fld-win)
3638     (cond
3639      ((eq arg 'on)
3640       (setq wl-summary-buffer-disp-folder t)
3641       ;; hide your folder window
3642       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3643           (if (setq fld-win (get-buffer-window fld-buf))
3644               (delete-window fld-win))))
3645      ((eq arg 'off)
3646       (setq wl-summary-buffer-disp-folder nil)
3647       ;; hide your wl-message window!
3648       (when (buffer-live-p wl-message-buffer)
3649         (wl-message-select-buffer wl-message-buffer)
3650         (delete-window))
3651       (select-window (get-buffer-window cur-buf))
3652       ;; display wl-folder window!!
3653       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3654           (if (setq fld-win (get-buffer-window fld-buf))
3655               ;; folder win is already displayed.
3656               (select-window fld-win)
3657             ;; folder win is not displayed.
3658             (switch-to-buffer fld-buf))
3659         ;; no folder buf
3660         (wl-folder))
3661       ;; temporarily delete summary-win.
3662       (if summary-win
3663           (delete-window summary-win))
3664       (split-window-horizontally wl-folder-window-width)
3665       (other-window 1)
3666       (switch-to-buffer cur-buf))
3667      (t
3668       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3669           (if (setq fld-win (get-buffer-window fld-buf))
3670               (setq wl-summary-buffer-disp-folder nil)
3671             (setq wl-summary-buffer-disp-folder t)))
3672       (if (not wl-summary-buffer-disp-folder)
3673           ;; hide message window
3674           (let ((mes-win (and wl-message-buffer
3675                               (get-buffer-window wl-message-buffer)))
3676                 (wl-stay-folder-window t))
3677             (if mes-win (delete-window mes-win))
3678             ;; hide your folder window
3679             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3680                 (if (setq fld-win (get-buffer-window fld-buf))
3681                     (progn
3682                       (delete-window (get-buffer-window cur-buf))
3683                       (select-window fld-win)
3684                       (switch-to-buffer cur-buf))))
3685             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3686             ;; resume message window.
3687             (when mes-win
3688               (wl-message-select-buffer wl-message-buffer)
3689               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3690               (select-window (get-buffer-window cur-buf))))
3691         ;; hide message window
3692         (let ((wl-stay-folder-window t)
3693               (mes-win (and wl-message-buffer
3694                             (get-buffer-window wl-message-buffer))))
3695           (if mes-win (delete-window mes-win))
3696           (select-window (get-buffer-window cur-buf))
3697           ;; display wl-folder window!!
3698           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3699               (if (setq fld-win (get-buffer-window fld-buf))
3700                   ;; folder win is already displayed.
3701                   (select-window fld-win)
3702                 ;; folder win is not displayed...occupy all.
3703                 (switch-to-buffer fld-buf))
3704             ;; no folder buf
3705             (wl-folder))
3706           (split-window-horizontally wl-folder-window-width)
3707           (other-window 1)
3708           (switch-to-buffer cur-buf)
3709           ;; resume message window.
3710           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3711           (when mes-win
3712             (wl-message-select-buffer wl-message-buffer)
3713             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3714             (select-window (get-buffer-window cur-buf))))))))
3715   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3716
3717 (defun wl-summary-toggle-disp-msg (&optional arg)
3718   (interactive)
3719   (let ((cur-buf (current-buffer))
3720         fld-buf fld-win
3721         summary-win)
3722     (cond
3723      ((eq arg 'on)
3724       (setq wl-summary-buffer-disp-msg t)
3725       (save-excursion
3726         ;; hide your folder window
3727         (if (and (not wl-stay-folder-window)
3728                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3729             (if (setq fld-win (get-buffer-window fld-buf))
3730                 (unless (one-window-p fld-win)
3731                   (delete-window fld-win))))))
3732      ((eq arg 'off)
3733       (wl-delete-all-overlays)
3734       (setq wl-summary-buffer-disp-msg nil)
3735       (save-excursion
3736         (when (buffer-live-p wl-message-buffer)
3737           (wl-message-select-buffer wl-message-buffer)
3738           (delete-window)
3739           (and (get-buffer-window cur-buf)
3740                (select-window (get-buffer-window cur-buf))))
3741         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3742      (t
3743       (if (and wl-message-buffer
3744                (get-buffer-window wl-message-buffer)) ; already displayed
3745           (setq wl-summary-buffer-disp-msg nil)
3746         (setq wl-summary-buffer-disp-msg t))
3747       (if wl-summary-buffer-disp-msg
3748           (progn
3749             (wl-summary-redisplay)
3750 ;;; hide your folder window
3751 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3752 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3753 ;;;             (delete-window fld-win)))
3754             (run-hooks 'wl-summary-toggle-disp-on-hook))
3755         (wl-delete-all-overlays)
3756         (save-excursion
3757           (wl-message-select-buffer wl-message-buffer)
3758           (delete-window)
3759           (select-window (get-buffer-window cur-buf))
3760           (setq wl-message-buffer nil)
3761           (run-hooks 'wl-summary-toggle-disp-off-hook))
3762 ;;;     (switch-to-buffer cur-buf)
3763         )))
3764     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3765
3766 (defun wl-summary-next-line-content ()
3767   "Show next line of the message."
3768   (interactive)
3769   (let ((cur-buf (current-buffer)))
3770     (wl-summary-toggle-disp-msg 'on)
3771     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3772       (set-buffer cur-buf)
3773       (wl-message-next-page 1))))
3774
3775 (defun wl-summary-prev-line-content ()
3776   (interactive)
3777   (let ((cur-buf (current-buffer)))
3778     (wl-summary-toggle-disp-msg 'on)
3779     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3780       (set-buffer cur-buf)
3781       (wl-message-prev-page 1))))
3782
3783 (defun wl-summary-next-page ()
3784   (interactive)
3785   (let ((cur-buf (current-buffer)))
3786     (wl-summary-toggle-disp-msg 'on)
3787     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3788       (set-buffer cur-buf)
3789       (wl-message-next-page))))
3790
3791 (defun wl-summary-prev-page ()
3792   (interactive)
3793   (let ((cur-buf (current-buffer)))
3794     (wl-summary-toggle-disp-msg 'on)
3795     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3796       (set-buffer cur-buf)
3797       (wl-message-prev-page))))
3798
3799 (defsubst wl-summary-no-mime-p (folder)
3800   (wl-string-match-member (elmo-folder-name-internal folder)
3801                           wl-summary-no-mime-folder-list))
3802
3803 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3804   "Set message buffer.
3805 If message is not displayed yet, display it.
3806 Return t if message exists."
3807   (let ((folder wl-summary-buffer-elmo-folder)
3808         (number (wl-summary-message-number))
3809         cur-folder cur-number message-last-pos)
3810     (when (buffer-live-p wl-message-buffer)
3811       (save-window-excursion
3812         (wl-message-select-buffer wl-message-buffer)
3813         (setq cur-folder wl-message-buffer-cur-folder)
3814         (setq cur-number wl-message-buffer-cur-number)))
3815     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3816              (eq number (or cur-number 0)))
3817         (progn
3818           (set-buffer wl-message-buffer)
3819           t)
3820       (if (wl-summary-no-mime-p folder)
3821           (wl-summary-redisplay-no-mime-internal folder number)
3822         (wl-summary-redisplay-internal folder number))
3823       (when (buffer-live-p wl-message-buffer)
3824         (set-buffer wl-message-buffer))
3825       nil)))
3826
3827 (defun wl-summary-target-mark-forward (&optional arg)
3828   (interactive "P")
3829   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3830         (summary-buf (current-buffer))
3831         (wl-draft-forward t)
3832         start-point
3833         draft-buf)
3834     (wl-summary-jump-to-msg (car mlist))
3835     (wl-summary-forward t)
3836     (setq start-point (point))
3837     (setq draft-buf (current-buffer))
3838     (setq mlist (cdr mlist))
3839     (save-window-excursion
3840       (when mlist
3841         (while mlist
3842           (set-buffer summary-buf)
3843           (wl-summary-jump-to-msg (car mlist))
3844           (wl-summary-redisplay)
3845           (set-buffer draft-buf)
3846           (goto-char (point-max))
3847           (wl-draft-insert-message)
3848           (setq mlist (cdr mlist)))
3849         (wl-draft-body-goto-top)
3850         (wl-draft-enclose-digest-region (point) (point-max)))
3851       (goto-char start-point)
3852       (save-excursion
3853         (set-buffer summary-buf)
3854         (wl-summary-delete-all-target-marks)))
3855     (run-hooks 'wl-mail-setup-hook)))
3856
3857 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3858   (interactive "P")
3859   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3860         (summary-buf (current-buffer))
3861         change-major-mode-hook
3862         start-point
3863         draft-buf)
3864     (wl-summary-jump-to-msg (car mlist))
3865     (when (wl-summary-reply arg t)
3866       (goto-char (point-max))
3867       (setq start-point (point-marker))
3868       (setq draft-buf (current-buffer))
3869       (save-window-excursion
3870         (while mlist
3871           (set-buffer summary-buf)
3872           (delete-other-windows)
3873           (wl-summary-jump-to-msg (car mlist))
3874           (wl-summary-redisplay)
3875           (set-buffer draft-buf)
3876           (goto-char (point-max))
3877           (wl-draft-yank-original)
3878           (setq mlist (cdr mlist)))
3879         (goto-char start-point)
3880         (save-excursion
3881           (set-buffer summary-buf)
3882           (wl-summary-delete-all-target-marks)))
3883       (wl-draft-reply-position wl-draft-reply-default-position)
3884       (run-hooks 'wl-mail-setup-hook))))
3885
3886 (defun wl-summary-reply-with-citation (&optional arg)
3887   (interactive "P")
3888   (when (wl-summary-reply arg t)
3889     (goto-char (point-max))
3890     (wl-draft-yank-original)
3891     (wl-draft-reply-position wl-draft-reply-default-position)
3892     (run-hooks 'wl-mail-setup-hook)))
3893
3894 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
3895   (interactive)
3896   (let* ((original (wl-summary-message-number))
3897          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3898          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
3899          msg otherfld schar
3900          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
3901     (if (setq msg (elmo-message-entity-number entity))
3902         (progn
3903           (wl-thread-jump-to-msg msg)
3904           t)
3905       ;; for XEmacs!
3906       (if (and elmo-use-database
3907                (setq errmsg
3908                      (format
3909                       "No message with id \"%s\" in the database." msgid))
3910                (setq otherfld (elmo-database-msgid-get msgid)))
3911           (if (cdr (wl-summary-jump-to-msg-internal
3912                     (car otherfld) (nth 1 otherfld) 'no-sync))
3913               t ; succeed.
3914             ;; Back to original.
3915             (wl-summary-jump-to-msg-internal
3916              (wl-summary-buffer-folder-name) original 'no-sync))
3917         (cond ((eq wl-summary-search-via-nntp 'confirm)
3918                (require 'elmo-nntp)
3919                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
3920                         elmo-nntp-default-server)
3921                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
3922                (cond ((eq schar ?y)
3923                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3924                      ((eq schar ?s)
3925                       (wl-summary-jump-to-msg-by-message-id-via-nntp
3926                        msgid
3927                        (read-from-minibuffer "NNTP Server: ")))
3928                      (t
3929                       (message "%s" errmsg)
3930                       nil)))
3931               ((or (eq wl-summary-search-via-nntp 'force)
3932                    (and
3933                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
3934                         'nntp)
3935                     wl-summary-search-via-nntp))
3936                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3937               (t
3938                (message "%s" errmsg)
3939                nil))))))
3940
3941 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
3942   (interactive)
3943   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3944          newsgroups folder ret
3945          user server port type spec)
3946     (if server-spec
3947         (if (string-match "^-" server-spec)
3948             (setq spec (wl-folder-get-elmo-folder server-spec)
3949                   user (elmo-net-folder-user-internal spec)
3950                   server (elmo-net-folder-server-internal spec)
3951                   port (elmo-net-folder-port-internal spec)
3952                   type (elmo-net-folder-stream-type-internal spec))
3953           (setq server server-spec)))
3954     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
3955                      msgid
3956                      (or server elmo-nntp-default-server)
3957                      (or user elmo-nntp-default-user)
3958                      (or port elmo-nntp-default-port)
3959                      (or type elmo-nntp-default-stream-type)))
3960       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
3961       (setq folder (concat "-" (car newsgroups)
3962                            (elmo-nntp-folder-postfix user server port type)))
3963       (catch 'found
3964         (while newsgroups
3965           (if (wl-folder-entity-exists-p (car newsgroups)
3966                                          wl-folder-newsgroups-hashtb)
3967               (throw 'found
3968                      (setq folder (concat "-" (car newsgroups)
3969                                           (elmo-nntp-folder-postfix
3970                                            user server port type)))))
3971           (setq newsgroups (cdr newsgroups)))))
3972     (if ret
3973         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
3974       (message "No message id \"%s\" in nntp server \"%s\"."
3975                msgid (or server elmo-nntp-default-server))
3976       nil)))
3977
3978 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
3979   (let (wl-auto-select-first entity)
3980     (if (or (string= folder (wl-summary-buffer-folder-name))
3981             (y-or-n-p
3982              (format
3983               "Message was found in the folder \"%s\". Jump to it? "
3984               folder)))
3985         (progn
3986           (unwind-protect
3987               (wl-summary-goto-folder-subr
3988                folder scan-type nil nil t)
3989             (if msgid
3990                 (setq msg
3991                       (elmo-message-entity-number
3992                        (elmo-message-entity
3993                         wl-summary-buffer-elmo-folder
3994                         msgid))))
3995             (setq entity (wl-folder-search-entity-by-name folder
3996                                                           wl-folder-entity
3997                                                           'folder))
3998             (if entity
3999                 (wl-folder-set-current-entity-id
4000                  (wl-folder-get-entity-id entity))))
4001           (if (null msg)
4002               (message "Message was not found currently in this folder.")
4003             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4004           (cons folder msg)))))
4005
4006 (defun wl-summary-jump-to-parent-message (arg)
4007   (interactive "P")
4008   (let ((cur-buf (current-buffer))
4009         (disp-msg wl-summary-buffer-disp-msg)
4010         (number (wl-summary-message-number))
4011         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4012         (i -1) ;; xxx
4013         msg-id msg-num ref-list ref irt)
4014     (if (null number)
4015         (message "No message.")
4016       (when (eq wl-summary-buffer-view 'thread)
4017         (cond ((and arg (not (numberp arg)))
4018                (setq msg-num
4019                      (wl-thread-entity-get-number
4020                       (wl-thread-entity-get-top-entity
4021                        (wl-thread-get-entity number)))))
4022               ((and arg (numberp arg))
4023                (setq i 0)
4024                (setq msg-num number)
4025                (while (< i arg)
4026                  (setq msg-num
4027                        (wl-thread-entity-get-number
4028                         (wl-thread-entity-get-parent-entity
4029                          (wl-thread-get-entity msg-num))))
4030                  (setq i (1+ i))))
4031               (t (setq msg-num
4032                        (wl-thread-entity-get-number
4033                         (wl-thread-entity-get-parent-entity
4034                          (wl-thread-get-entity number)))))))
4035       (when (null msg-num)
4036         (wl-summary-set-message-buffer-or-redisplay)
4037         (set-buffer (wl-message-get-original-buffer))
4038         (message "Searching parent message...")
4039         (setq ref (std11-field-body "References")
4040               irt (std11-field-body "In-Reply-To"))
4041         (cond
4042          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4043                (string-match regexp ref))
4044           ;; The first message of the thread.
4045           (setq msg-id (wl-match-string 1 ref)))
4046          ;; "In-Reply-To:" has only one msg-id.
4047          ((and (null arg) irt (not (string= irt ""))
4048                (string-match regexp irt))
4049           (setq msg-id (wl-match-string 1 irt)))
4050          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4051                (string-match regexp ref))
4052           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4053           (while (string-match regexp ref)
4054             (setq ref-list
4055                   (append (list
4056                            (wl-match-string 1 ref))
4057                           ref-list))
4058             (setq ref (substring ref (match-end 0)))
4059             (setq i (1+ i)))
4060           (setq msg-id
4061                 (if (null arg) (nth 0 ref-list) ;; previous
4062                   (if (<= arg i) (nth (1- arg) ref-list)
4063                     (nth i ref-list))))))
4064         (set-buffer cur-buf)
4065         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4066       (cond ((and (null msg-id) (null msg-num))
4067              (message "No parent message!")
4068              nil)
4069             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4070              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4071              (message "Searching parent message...done")
4072              t)
4073             ((and msg-num (wl-summary-jump-to-msg msg-num))
4074              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4075              (message "Searching parent message...done")
4076              t)
4077             (t ; failed.
4078              (message "Parent message was not found.")
4079              nil)))))
4080
4081 (defun wl-summary-reply (&optional arg without-setup-hook)
4082   "Reply to current message. Default is \"wide\" reply.
4083 Reply to author if invoked with ARG."
4084   (interactive "P")
4085   (let ((folder wl-summary-buffer-elmo-folder)
4086         (number (wl-summary-message-number))
4087         (summary-buf (current-buffer))
4088         (winconf (current-window-configuration))
4089         mes-buf)
4090     (when number
4091       (save-excursion
4092         (wl-summary-set-message-buffer-or-redisplay))
4093       (setq mes-buf wl-message-buffer)
4094       (wl-message-select-buffer wl-message-buffer)
4095       (set-buffer mes-buf)
4096       (condition-case err
4097           (when (setq mes-buf (wl-message-get-original-buffer))
4098             (wl-draft-reply mes-buf arg summary-buf number)
4099             (wl-draft-reply-position wl-draft-reply-default-position)
4100             (unless without-setup-hook
4101               (run-hooks 'wl-mail-setup-hook)))
4102         (error (set-window-configuration winconf)
4103                (signal (car err)(cdr err))))
4104       (with-current-buffer summary-buf
4105         (elmo-folder-set-flag folder (list number) 'answered)
4106         (wl-summary-update-persistent-mark))
4107       t)))
4108
4109 (defun wl-summary-write ()
4110   "Write a new draft from Summary."
4111   (interactive)
4112   (wl-draft (list (cons 'To ""))
4113             nil nil nil nil (wl-summary-buffer-folder-name))
4114   (run-hooks 'wl-mail-setup-hook)
4115   (mail-position-on-field "To"))
4116
4117 (defvar wl-summary-write-current-folder-functions
4118   '(wl-folder-get-newsgroups
4119     wl-folder-guess-mailing-list-by-refile-rule
4120     wl-folder-guess-mailing-list-by-folder-name)
4121   "Newsgroups or Mailing List address guess functions list.
4122 Call from `wl-summary-write-current-folder'.
4123 When guess function return nil, challenge next guess-function.")
4124
4125 (defun wl-summary-write-current-folder (&optional folder)
4126   "Write message to current FOLDER's newsgroup or mailing-list.
4127 Use function list is `wl-summary-write-current-folder-functions'."
4128   (interactive)
4129   ;; default FOLDER is current buffer folder
4130   (setq folder (or folder (wl-summary-buffer-folder-name)))
4131   (let ((func-list wl-summary-write-current-folder-functions)
4132         guess-list guess-func)
4133     (while func-list
4134       (setq guess-list (funcall (car func-list) folder))
4135       (if (null guess-list)
4136           (setq func-list (cdr func-list))
4137         (setq guess-func (car func-list))
4138         (setq func-list nil)))
4139     (if (null guess-func)
4140         (wl-summary-write)
4141       (unless (or (stringp (nth 0 guess-list))
4142                   (stringp (nth 1 guess-list))
4143                   (stringp (nth 2 guess-list)))
4144         (error "Invalid value return guess function `%s'"
4145                (symbol-name guess-func)))
4146       (wl-draft (list (cons 'To (nth 0 guess-list))
4147                       (cons 'Cc (nth 1 guess-list))
4148                       (cons 'Newsgroups (nth 2 guess-list)))
4149                 nil nil nil nil folder)
4150       (run-hooks 'wl-mail-setup-hook)
4151       (mail-position-on-field "Subject"))))
4152
4153 (defun wl-summary-forward (&optional without-setup-hook)
4154   ""
4155   (interactive)
4156   (let ((folder wl-summary-buffer-elmo-folder)
4157         (number (wl-summary-message-number))
4158         (summary-buf (current-buffer))
4159         (wl-draft-forward t)
4160         mes-buf
4161         entity subject num)
4162     (if (null number)
4163         (message "No message.")
4164       (if (and (elmo-message-use-cache-p folder number)
4165                (eq (elmo-file-cache-status
4166                     (elmo-file-cache-get
4167                      (elmo-message-field folder number 'message-id)))
4168                    'section))
4169           ;; Reload.
4170           (wl-summary-redisplay-internal nil nil 'force-reload)
4171         (wl-summary-redisplay-internal folder number))
4172       (setq mes-buf wl-message-buffer)
4173       (wl-message-select-buffer mes-buf)
4174       ;; get original subject.
4175       (if summary-buf
4176           (save-excursion
4177             (set-buffer summary-buf)
4178             (setq subject
4179                   (or (elmo-message-entity-field
4180                        (elmo-message-entity folder number) 'subject 'decode)
4181                       ""))))
4182       (set-buffer mes-buf)
4183       (wl-draft-forward subject summary-buf)
4184       (unless without-setup-hook
4185         (run-hooks 'wl-mail-setup-hook)))))
4186
4187 (defun wl-summary-click (e)
4188   (interactive "e")
4189   (mouse-set-point e)
4190   (wl-summary-read))
4191
4192 (defun wl-summary-read ()
4193   "Proceed reading message in the summary buffer."
4194   (interactive)
4195   (let ((cur-buf (current-buffer)))
4196     (wl-summary-toggle-disp-msg 'on)
4197     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4198       (set-buffer cur-buf)
4199       (if (wl-message-next-page)
4200           (wl-summary-down t)))))
4201
4202 (defsubst wl-summary-cursor-move-surface (downward interactive)
4203   (if wl-summary-move-direction-toggle
4204       (setq wl-summary-move-direction-downward downward))
4205   (let ((start (point))
4206         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4207         (skip t)
4208         (column (current-column))
4209         goto-next next-entity finfo)
4210     (beginning-of-line)
4211     (while (and skip
4212                 (not (if downward (eobp) (bobp))))
4213       (if downward
4214           (forward-line 1)
4215         (forward-line -1))
4216       (setq skip (or (string-match skip-tmark-regexp
4217                                    (wl-summary-temp-mark))
4218                      (not (and (wl-summary-message-number)
4219                                (elmo-message-accessible-p
4220                                 wl-summary-buffer-elmo-folder
4221                                 (wl-summary-message-number)))))))
4222     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4223     (if (or (eobp) (and (bobp) skip))
4224         (goto-char start))
4225     (move-to-column column)
4226
4227     (if (not goto-next)
4228         (if wl-summary-buffer-disp-msg
4229             (wl-summary-redisplay))
4230       (if interactive
4231           (cond
4232            ((and (not downward) wl-summary-buffer-prev-folder-function)
4233             (funcall wl-summary-buffer-prev-folder-function))
4234            ((and downward wl-summary-buffer-next-folder-function)
4235             (funcall wl-summary-buffer-next-folder-function))
4236            (t
4237             (when wl-auto-select-next
4238               (setq next-entity
4239                     (if downward
4240                         (wl-summary-get-next-folder)
4241                       (wl-summary-get-prev-folder)))
4242               (if next-entity
4243                   (setq finfo (wl-folder-get-entity-info next-entity))))
4244             (wl-ask-folder
4245              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4246              (format
4247               "No more messages. Type SPC to go to %s."
4248               (wl-summary-entity-info-msg next-entity finfo)))))))))
4249
4250 (defun wl-summary-prev (&optional interactive)
4251   (interactive)
4252   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4253
4254 (defun wl-summary-next (&optional interactive)
4255   (interactive)
4256   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4257
4258 (defun wl-summary-up (&optional interactive skip-no-unread)
4259   ""
4260   (interactive)
4261   (if wl-summary-move-direction-toggle
4262       (setq wl-summary-move-direction-downward nil))
4263   (if (wl-summary-cursor-up)
4264       (if wl-summary-buffer-disp-msg
4265           (wl-summary-redisplay))
4266     (if (or interactive
4267             (interactive-p))
4268         (if wl-summary-buffer-prev-folder-function
4269             (funcall wl-summary-buffer-prev-folder-function)
4270           (let (next-entity finfo)
4271             (when wl-auto-select-next
4272               (progn
4273                 (setq next-entity (wl-summary-get-prev-unread-folder))
4274                 (if next-entity
4275                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4276             (if (and skip-no-unread
4277                      (eq wl-auto-select-next 'skip-no-unread))
4278                 (wl-summary-next-folder-or-exit next-entity t)
4279               (wl-ask-folder
4280                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4281                (format
4282                 "No more unread messages. Type SPC to go to %s."
4283                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4284
4285 (defun wl-summary-get-prev-folder ()
4286   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4287         last-entity cur-id)
4288     (when folder-buf
4289       (setq cur-id (save-excursion (set-buffer folder-buf)
4290                                    wl-folder-buffer-cur-entity-id))
4291       (wl-folder-get-prev-folder cur-id))))
4292
4293 (defun wl-summary-get-next-folder ()
4294   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4295         cur-id)
4296     (when folder-buf
4297       (setq cur-id (save-excursion (set-buffer folder-buf)
4298                                    wl-folder-buffer-cur-entity-id))
4299       (wl-folder-get-next-folder cur-id))))
4300
4301 (defun wl-summary-get-next-unread-folder ()
4302   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4303         cur-id)
4304     (when folder-buf
4305       (setq cur-id (save-excursion (set-buffer folder-buf)
4306                                    wl-folder-buffer-cur-entity-id))
4307       (wl-folder-get-next-folder cur-id 'unread))))
4308
4309 (defun wl-summary-get-prev-unread-folder ()
4310   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4311         cur-id)
4312     (when folder-buf
4313       (setq cur-id (save-excursion (set-buffer folder-buf)
4314                                    wl-folder-buffer-cur-entity-id))
4315       (wl-folder-get-prev-folder cur-id 'unread))))
4316
4317 (defun wl-summary-down (&optional interactive skip-no-unread)
4318   (interactive)
4319   (if wl-summary-move-direction-toggle
4320       (setq wl-summary-move-direction-downward t))
4321   (if (wl-summary-cursor-down)
4322       (if wl-summary-buffer-disp-msg
4323           (wl-summary-redisplay))
4324     (if (or interactive
4325             (interactive-p))
4326         (if wl-summary-buffer-next-folder-function
4327             (funcall wl-summary-buffer-next-folder-function)
4328           (let (next-entity finfo)
4329             (when wl-auto-select-next
4330               (setq next-entity (wl-summary-get-next-unread-folder)))
4331             (if next-entity
4332                 (setq finfo (wl-folder-get-entity-info next-entity)))
4333             (if (and skip-no-unread
4334                      (eq wl-auto-select-next 'skip-no-unread))
4335                 (wl-summary-next-folder-or-exit next-entity)
4336               (wl-ask-folder
4337                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4338                (format
4339                 "No more unread messages. Type SPC to go to %s."
4340                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4341
4342 (defun wl-summary-goto-last-displayed-msg ()
4343   (interactive)
4344   (unless wl-summary-buffer-last-displayed-msg
4345     (setq wl-summary-buffer-last-displayed-msg
4346           wl-summary-buffer-current-msg))
4347   (if wl-summary-buffer-last-displayed-msg
4348       (progn
4349         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4350         (if wl-summary-buffer-disp-msg
4351             (wl-summary-redisplay)))
4352     (message "No last message.")))
4353
4354 (defun wl-summary-redisplay (&optional arg)
4355   (interactive "P")
4356   (if (and (not arg)
4357            (wl-summary-no-mime-p wl-summary-buffer-elmo-folder))
4358       (wl-summary-redisplay-no-mime)
4359     (wl-summary-redisplay-internal nil nil arg)))
4360
4361 (defsubst wl-summary-redisplay-internal (&optional folder number force-reload)
4362   (interactive)
4363   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4364          (num (or number (wl-summary-message-number)))
4365          (wl-mime-charset      wl-summary-buffer-mime-charset)
4366          (default-mime-charset wl-summary-buffer-mime-charset)
4367          no-folder-mark fld-buf fld-win thr-entity)
4368     (if (and wl-thread-open-reading-thread
4369              (eq wl-summary-buffer-view 'thread)
4370              (not (wl-thread-entity-get-opened
4371                    (setq thr-entity (wl-thread-get-entity
4372                                      num))))
4373              (wl-thread-entity-get-children thr-entity))
4374         (wl-thread-force-open))
4375     (if num
4376         (progn
4377           (setq wl-summary-buffer-disp-msg t)
4378           (setq wl-summary-buffer-last-displayed-msg
4379                 wl-summary-buffer-current-msg)
4380           ;; hide folder window
4381           (if (and (not wl-stay-folder-window)
4382                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4383               (if (setq fld-win (get-buffer-window fld-buf))
4384                   (delete-window fld-win)))
4385           (setq wl-current-summary-buffer (current-buffer))
4386           (setq no-folder-mark
4387                 ;; If cache is used, change folder-mark.
4388                 (if (wl-message-redisplay folder num
4389                                           'mime
4390                                           (or
4391                                            force-reload
4392                                            (string= (elmo-folder-name-internal
4393                                                      folder)
4394                                                     wl-draft-folder)))
4395                     nil
4396                   ;; plugged, then leave folder-mark.
4397                   (if (and (not (elmo-folder-local-p
4398                                  wl-summary-buffer-elmo-folder))
4399                            (elmo-folder-plugged-p
4400                             wl-summary-buffer-elmo-folder))
4401                       'leave)))
4402           (when (elmo-message-use-cache-p folder num)
4403             (elmo-message-set-cached folder num t))
4404           (ignore-errors
4405             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4406                                         num
4407                                         'unread)
4408                 (wl-summary-mark-as-read num no-folder-mark)
4409               (wl-summary-update-persistent-mark)))
4410           (setq wl-summary-buffer-current-msg num)
4411           (when wl-summary-recenter
4412             (recenter (/ (- (window-height) 2) 2))
4413             (if (not wl-summary-indent-length-limit)
4414                 (wl-horizontal-recenter)))
4415           (wl-highlight-summary-displaying)
4416           (wl-message-buffer-prefetch-next folder num
4417                                            wl-message-buffer-prefetch-depth
4418                                            (current-buffer)
4419                                            wl-summary-buffer-mime-charset)
4420           (run-hooks 'wl-summary-redisplay-hook))
4421       (message "No message to display."))))
4422
4423 (defun wl-summary-redisplay-no-mime (&optional ask-coding)
4424   "Display message without MIME decoding.
4425 If ASK-CODING is non-nil, coding-system for the message is asked."
4426   (interactive "P")
4427   (let ((elmo-mime-display-as-is-coding-system
4428          (if ask-coding
4429              (or (read-coding-system "Coding system: ")
4430                  elmo-mime-display-as-is-coding-system)
4431            elmo-mime-display-as-is-coding-system)))
4432     (wl-summary-redisplay-no-mime-internal)))
4433
4434 (defun wl-summary-redisplay-no-mime-internal (&optional folder number)
4435   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
4436          (num (or number (wl-summary-message-number)))
4437          wl-break-pages)
4438     (if num
4439         (progn
4440           (setq wl-summary-buffer-disp-msg t)
4441           (setq wl-summary-buffer-last-displayed-msg
4442                 wl-summary-buffer-current-msg)
4443           (setq wl-current-summary-buffer (current-buffer))
4444           (wl-message-redisplay fld num 'as-is
4445                                 (string= (elmo-folder-name-internal fld)
4446                                          wl-draft-folder))
4447           (when (elmo-message-use-cache-p fld num)
4448             (elmo-message-set-cached fld num t))
4449           (ignore-errors
4450             (if (elmo-message-flagged-p fld num 'unread)
4451                 (wl-summary-mark-as-read num); no-folder-mark)
4452               (wl-summary-update-persistent-mark)))
4453           (setq wl-summary-buffer-current-msg num)
4454           (when wl-summary-recenter
4455             (recenter (/ (- (window-height) 2) 2))
4456             (if (not wl-summary-indent-length-limit)
4457                 (wl-horizontal-recenter)))
4458           (wl-highlight-summary-displaying)
4459           (run-hooks 'wl-summary-redisplay-hook))
4460       (message "No message to display.")
4461       (wl-ask-folder 'wl-summary-exit
4462                      "No more messages. Type SPC to go to folder mode."))))
4463
4464 (defun wl-summary-redisplay-all-header (&optional folder number)
4465   (interactive)
4466   (let* ((fld (or folder wl-summary-buffer-elmo-folder))
4467          (num (or number (wl-summary-message-number)))
4468          (wl-mime-charset      wl-summary-buffer-mime-charset)
4469          (default-mime-charset wl-summary-buffer-mime-charset))
4470     (if num
4471         (progn
4472           (setq wl-summary-buffer-disp-msg t)
4473           (setq wl-summary-buffer-last-displayed-msg
4474                 wl-summary-buffer-current-msg)
4475           (setq wl-current-summary-buffer (current-buffer))
4476           (when (elmo-message-use-cache-p fld num)
4477             (elmo-message-set-cached fld num t))
4478           (if (wl-message-redisplay fld num 'all-header
4479                                     (string= (elmo-folder-name-internal fld)
4480                                              wl-draft-folder))
4481               (wl-summary-mark-as-read num))
4482           (setq wl-summary-buffer-current-msg num)
4483           (when wl-summary-recenter
4484             (recenter (/ (- (window-height) 2) 2))
4485             (if (not wl-summary-indent-length-limit)
4486                 (wl-horizontal-recenter)))
4487           (wl-highlight-summary-displaying)
4488           (run-hooks 'wl-summary-redisplay-hook))
4489       (message "No message to display."))))
4490
4491 (defun wl-summary-jump-to-current-message ()
4492   "Jump into Message buffer."
4493   (interactive)
4494   (let (message-buf message-win)
4495     (if (setq message-buf wl-message-buffer)
4496         (if (setq message-win (get-buffer-window message-buf))
4497             (select-window message-win)
4498           (wl-message-select-buffer wl-message-buffer))
4499       (wl-summary-redisplay)
4500       (wl-message-select-buffer wl-message-buffer))))
4501
4502 (defun wl-summary-cancel-message ()
4503   "Cancel an article on news."
4504   (interactive)
4505   (if (null (wl-summary-message-number))
4506       (message "No message.")
4507     (let ((summary-buf (current-buffer))
4508           message-buf)
4509       (wl-summary-set-message-buffer-or-redisplay)
4510       (if (setq message-buf (wl-message-get-original-buffer))
4511           (set-buffer message-buf))
4512       (unless (wl-message-news-p)
4513         (set-buffer summary-buf)
4514         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4515                      'nntp)
4516                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4517             (progn
4518               (wl-summary-redisplay t)
4519               (wl-summary-supersedes-message))
4520           (error "This is not a news article; supersedes is impossible")))
4521       (when (yes-or-no-p "Do you really want to cancel this article? ")
4522         (let (from newsgroups message-id distribution buf)
4523           (save-excursion
4524             (setq from (std11-field-body "from")
4525                   newsgroups (std11-field-body "newsgroups")
4526                   message-id (std11-field-body "message-id")
4527                   distribution (std11-field-body "distribution"))
4528             ;; Make sure that this article was written by the user.
4529             (unless (wl-address-user-mail-address-p
4530                      (wl-address-header-extract-address
4531                       (car (wl-parse-addresses from))))
4532               (error "This article is not yours"))
4533             ;; Make control message.
4534             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4535             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4536             (buffer-disable-undo (current-buffer))
4537             (erase-buffer)
4538             (insert "Newsgroups: " newsgroups "\n"
4539                     "From: " (wl-address-header-extract-address
4540                               wl-from) "\n"
4541                               "Subject: cmsg cancel " message-id "\n"
4542                               "Control: cancel " message-id "\n"
4543                               (if distribution
4544                                   (concat "Distribution: " distribution "\n")
4545                                 "")
4546                               mail-header-separator "\n"
4547                               wl-summary-cancel-message)
4548             (message "Canceling your message...")
4549             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4550             (message "Canceling your message...done")))))))
4551
4552 (defun wl-summary-supersedes-message ()
4553   "Supersede current message."
4554   (interactive)
4555   (wl-summary-toggle-disp-msg 'off)
4556   (let ((summary-buf (current-buffer))
4557         message-buf from)
4558     (wl-summary-set-message-buffer-or-redisplay)
4559     (if (setq message-buf (wl-message-get-original-buffer))
4560         (set-buffer message-buf))
4561     (unless (wl-message-news-p)
4562       (set-buffer summary-buf)
4563       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4564                    'nntp)
4565                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4566           (progn
4567             (wl-summary-redisplay t)
4568             (wl-summary-supersedes-message))
4569         (error "This is not a news article; supersedes is impossible")))
4570     (save-excursion
4571       (setq from (std11-field-body "from"))
4572       ;; Make sure that this article was written by the user.
4573       (unless (wl-address-user-mail-address-p
4574                (wl-address-header-extract-address
4575                 (car (wl-parse-addresses from))))
4576         (error "This article is not yours"))
4577       (let* ((message-id (std11-field-body "message-id"))
4578              (followup-to (std11-field-body "followup-to"))
4579              (mail-default-headers
4580               (concat mail-default-headers
4581                       "Supersedes: " message-id "\n"
4582                       (and followup-to
4583                            (concat "Followup-To: " followup-to "\n")))))
4584         (if message-buf (set-buffer message-buf))
4585         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4586
4587 (defun wl-summary-save (&optional arg wl-save-dir)
4588   "Save current message to disk."
4589   (interactive)
4590   (let ((filename)
4591         (num (wl-summary-message-number)))
4592     (if (null wl-save-dir)
4593         (setq wl-save-dir wl-temporary-file-directory))
4594     (if num
4595         (save-excursion
4596           (setq filename (expand-file-name
4597                           (concat (int-to-string num)
4598                                   wl-summary-save-file-suffix)
4599                           wl-save-dir))
4600           (if (null (and arg
4601                          (null (file-exists-p filename))))
4602               (setq filename
4603                     (read-file-name "Save to file: " filename)))
4604
4605           (wl-summary-set-message-buffer-or-redisplay)
4606           (set-buffer (wl-message-get-original-buffer))
4607           (if (and (null arg) (file-exists-p filename))
4608               (if (y-or-n-p "File already exists.  override it? ")
4609                   (write-region (point-min) (point-max) filename))
4610             (write-region (point-min) (point-max) filename)))
4611       (message "No message to save."))
4612     num))
4613
4614 (defun wl-summary-save-region (beg end)
4615   (interactive "r")
4616   (save-excursion
4617     (save-restriction
4618       (wl-summary-narrow-to-region beg end)
4619       (goto-char (point-min))
4620       (let ((wl-save-dir
4621              (wl-read-directory-name "Save to directory: "
4622                                      wl-temporary-file-directory)))
4623         (if (null (file-exists-p wl-save-dir))
4624             (make-directory wl-save-dir))
4625         (if (eq wl-summary-buffer-view 'thread)
4626             (progn
4627               (while (not (eobp))
4628                 (let* ((number (wl-summary-message-number))
4629                        (entity (wl-thread-get-entity number)))
4630                   (if (wl-thread-entity-get-opened entity)
4631                       (wl-summary-save t wl-save-dir)
4632                     ;; closed
4633                     (wl-summary-save t wl-save-dir))
4634                   (forward-line 1))))
4635           (while (not (eobp))
4636             (wl-summary-save t wl-save-dir)
4637             (forward-line 1)))))))
4638
4639 ;; mew-summary-pipe-message()
4640 (defun wl-summary-pipe-message (prefix command)
4641   "Send this message via pipe."
4642   (interactive (list current-prefix-arg nil))
4643   (if (null (wl-summary-message-number))
4644       (message "No message.")
4645     (setq command (read-string "Shell command on message: "
4646                                wl-summary-shell-command-last))
4647     (if (y-or-n-p "Send this message to pipe? ")
4648         (wl-summary-pipe-message-subr prefix command))))
4649
4650 (defun wl-summary-target-mark-pipe (prefix command)
4651   "Send each marked messages via pipe."
4652   (interactive (list current-prefix-arg nil))
4653   (if (null wl-summary-buffer-target-mark-list)
4654       (message "No marked message.")
4655     (setq command (read-string "Shell command on each marked message: "
4656                                wl-summary-shell-command-last))
4657     (when (y-or-n-p "Send each marked message to pipe? ")
4658       (while (car wl-summary-buffer-target-mark-list)
4659         (let ((num (car wl-summary-buffer-target-mark-list)))
4660           (wl-thread-jump-to-msg num)
4661           (wl-summary-pipe-message-subr prefix command)
4662           (wl-summary-unmark))))))
4663
4664 (defun wl-summary-pipe-message-subr (prefix command)
4665   (save-excursion
4666     (wl-summary-set-message-buffer-or-redisplay)
4667     (set-buffer (wl-message-get-original-buffer))
4668     (if (string= command "")
4669         (setq command wl-summary-shell-command-last))
4670     (goto-char (point-min)) ; perhaps this line won't be necessary
4671     (if prefix
4672         (search-forward "\n\n"))
4673     (shell-command-on-region (point) (point-max) command nil)
4674     (setq wl-summary-shell-command-last command)))
4675
4676 (defun wl-summary-print-message (&optional arg)
4677   (interactive "P")
4678   (if (null (wl-summary-message-number))
4679       (message "No message.")
4680     (save-excursion
4681       (wl-summary-set-message-buffer-or-redisplay)
4682       (if (or (not (interactive-p))
4683               (y-or-n-p "Print ok? "))
4684           (progn
4685             (let ((buffer (generate-new-buffer " *print*")))
4686               (copy-to-buffer buffer (point-min) (point-max))
4687               (set-buffer buffer)
4688               (funcall wl-print-buffer-function)
4689               (kill-buffer buffer)))
4690         (message "")))))
4691
4692 (defun wl-summary-print-message-with-ps-print (&optional filename)
4693   "Print message via ps-print."
4694   (interactive)
4695   (if (null (wl-summary-message-number))
4696       (message "No message.")
4697     (setq filename (ps-print-preprint current-prefix-arg))
4698     (if (or (not (interactive-p))
4699             (y-or-n-p "Print ok? "))
4700         (let ((summary-buffer (current-buffer))
4701               wl-break-pages)
4702           (save-excursion
4703             (wl-summary-set-message-buffer-or-redisplay)
4704             ;; (wl-summary-redisplay-internal)
4705             (let* ((buffer (generate-new-buffer " *print*"))
4706                    (entity (progn
4707                              (set-buffer summary-buffer)
4708                              (elmo-message-entity
4709                               wl-summary-buffer-elmo-folder
4710                               (wl-summary-message-number))))
4711                    (wl-ps-subject
4712                     (and entity
4713                          (or (elmo-message-entity-field entity 'subject t)
4714                              "")))
4715                    (wl-ps-from
4716                     (and entity
4717                          (or (elmo-message-entity-field entity 'from t) "")))
4718                    (wl-ps-date
4719                     (and entity
4720                          (or (elmo-message-entity-field entity 'date) ""))))
4721               (run-hooks 'wl-ps-preprint-hook)
4722               (set-buffer wl-message-buffer)
4723               (copy-to-buffer buffer (point-min) (point-max))
4724               (set-buffer buffer)
4725               (unwind-protect
4726                   (let ((ps-left-header
4727                          (list (concat "(" wl-ps-subject ")")
4728                                (concat "(" wl-ps-from ")")))
4729                         (ps-right-header
4730                          (list "/pagenumberstring load"
4731                                (concat "(" wl-ps-date ")"))))
4732                     (run-hooks 'wl-ps-print-hook)
4733                     (funcall wl-ps-print-buffer-function filename))
4734                 (kill-buffer buffer)))))
4735       (message ""))))
4736
4737 (if (featurep 'ps-print) ; ps-print is available.
4738     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4739
4740 (defun wl-summary-target-mark-print ()
4741   (interactive)
4742   (if (null wl-summary-buffer-target-mark-list)
4743       (message "No marked message.")
4744     (when (y-or-n-p "Print all marked messages. OK? ")
4745       (while (car wl-summary-buffer-target-mark-list)
4746         (let ((num (car wl-summary-buffer-target-mark-list)))
4747           (wl-thread-jump-to-msg num)
4748           (wl-summary-print-message)
4749           (wl-summary-unmark))))))
4750
4751 (defun wl-summary-folder-info-update ()
4752   (wl-folder-set-folder-updated
4753    (elmo-string (wl-summary-buffer-folder-name))
4754    (list 0
4755          (+ wl-summary-buffer-unread-count
4756             wl-summary-buffer-new-count)
4757          (elmo-folder-length
4758           wl-summary-buffer-elmo-folder))))
4759
4760 (defun wl-summary-get-original-buffer ()
4761   "Get original buffer for the current summary."
4762   (save-excursion
4763     (wl-summary-set-message-buffer-or-redisplay)
4764     (wl-message-get-original-buffer)))
4765
4766 (defun wl-summary-pack-number (&optional arg)
4767   (interactive "P")
4768   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4769   (let (wl-use-scoring)
4770     (wl-summary-rescan nil nil t)))
4771
4772 (defun wl-summary-target-mark-uudecode ()
4773   (interactive)
4774   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4775         (summary-buf (current-buffer))
4776         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4777         orig-buf i k filename rc errmsg)
4778     (setq i 1)
4779     (setq k (length mlist))
4780     (set-buffer tmp-buf)
4781     (erase-buffer)
4782     (save-window-excursion
4783       (while mlist
4784         (set-buffer summary-buf)
4785         (wl-summary-jump-to-msg (car mlist))
4786         (wl-summary-redisplay)
4787         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4788         (goto-char (point-min))
4789         (cond ((= i 1) ; first
4790                (if (setq filename (wl-message-uu-substring
4791                                    orig-buf tmp-buf t
4792                                    (= i k)))
4793                    nil
4794                  (error "Can't find begin line")))
4795               ((< i k)
4796                (wl-message-uu-substring orig-buf tmp-buf))
4797               (t ; last
4798                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4799         (setq i (1+ i))
4800         (setq mlist (cdr mlist)))
4801       (set-buffer tmp-buf)
4802       (message "Exec %s..." wl-prog-uudecode)
4803       (unwind-protect
4804           (let ((decode-dir wl-temporary-file-directory))
4805             (if (not wl-prog-uudecode-no-stdout-option)
4806                 (setq filename (read-file-name "Save to file: "
4807                                                (expand-file-name
4808                                                 (elmo-safe-filename filename)
4809                                                 wl-temporary-file-directory)))
4810               (setq decode-dir
4811                     (wl-read-directory-name "Save to directory: "
4812                                             wl-temporary-file-directory))
4813               (setq filename (expand-file-name filename decode-dir)))
4814             (if (file-exists-p filename)
4815                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4816                                          filename))
4817                     (error "")))
4818             (elmo-bind-directory
4819              decode-dir
4820              (setq rc
4821                    (as-binary-process
4822                     (apply 'call-process-region (point-min) (point-max)
4823                            wl-prog-uudecode t (current-buffer) nil
4824                            wl-prog-uudecode-arg))))
4825             (when (not (= 0 rc))
4826               (setq errmsg (buffer-substring (point-min)(point-max)))
4827               (error "Uudecode error: %s" errmsg))
4828             (if (not wl-prog-uudecode-no-stdout-option)
4829                 (let (file-name-handler-alist) ;; void jka-compr
4830                   (as-binary-output-file
4831                    (write-region (point-min) (point-max)
4832                                  filename nil 'no-msg))))
4833             (save-excursion
4834               (set-buffer summary-buf)
4835               (wl-summary-delete-all-target-marks))
4836             (if (file-exists-p filename)
4837                 (message "Saved as %s" filename)))
4838         (kill-buffer tmp-buf)))))
4839
4840 ;; Someday
4841 ;; (defun wl-summary-drop-unsync ()
4842 ;;   "Drop all unsync messages."
4843 ;;   (interactive)
4844 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4845 ;;       (error "You cannot drop unsync messages in this folder"))
4846 ;;   (if (or (not (interactive-p))
4847 ;;        (y-or-n-p "Drop all unsync messages? "))
4848 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4849 ;;                         (wl-summary-buffer-folder-name)))
4850 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4851 ;;           (sum 0)
4852 ;;           (multi-num 0)
4853 ;;           pair)
4854 ;;      (message "Dropping...")
4855 ;;      (while folder-list
4856 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4857 ;;        (when is-multi ;; dirty hack...
4858 ;;          (incf multi-num)
4859 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4860 ;;                          (car pair))))
4861 ;;        (elmo-msgdb-set-number-alist
4862 ;;         (wl-summary-buffer-msgdb)
4863 ;;         (nconc
4864 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4865 ;;          (list (cons (car pair) nil))))
4866 ;;        (setq sum (+ sum (cdr pair)))
4867 ;;        (setq folder-list (cdr folder-list)))
4868 ;;      (wl-summary-set-message-modified)
4869 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
4870 ;;                                    (list 0
4871 ;;                                          (+ wl-summary-buffer-unread-count
4872 ;;                                             wl-summary-buffer-new-count)
4873 ;;                                          sum))
4874 ;;      (message "Dropping...done"))))
4875
4876 (defun wl-summary-default-get-next-msg (msg)
4877   (or (wl-summary-next-message msg
4878                                (if wl-summary-move-direction-downward 'down
4879                                  'up)
4880                                nil)
4881       (cadr (memq msg (if wl-summary-move-direction-downward
4882                           wl-summary-buffer-number-list
4883                         (reverse wl-summary-buffer-number-list))))))
4884
4885 (defun wl-summary-save-current-message ()
4886   "Save current message for `wl-summary-yank-saved-message'."
4887   (interactive)
4888   (let ((number (wl-summary-message-number)))
4889     (setq wl-summary-buffer-saved-message number)
4890     (and number (message "No: %s is saved." number))))
4891
4892 (defun wl-summary-yank-saved-message ()
4893   "Set current message as a parent of the saved message."
4894   (interactive)
4895   (if wl-summary-buffer-saved-message
4896       (let ((number (wl-summary-message-number)))
4897         (if (eq wl-summary-buffer-saved-message number)
4898             (message "Cannot set itself as a parent.")
4899           (save-excursion
4900             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
4901             (wl-thread-set-parent number)
4902             (wl-summary-set-thread-modified))
4903           (setq  wl-summary-buffer-saved-message nil)))
4904     (message "There's no saved message.")))
4905
4906 (defun wl-summary-toggle-header-narrowing ()
4907   "Toggle message header narrowing."
4908   (interactive)
4909   (when wl-message-use-header-narrowing
4910     (save-selected-window
4911       (let* ((mbuf wl-message-buffer)
4912              (mwin (when mbuf (get-buffer-window mbuf)))
4913              (wpos (when mwin (window-start mwin))))
4914         (when mbuf
4915           (set-buffer mbuf)
4916           (wl-message-header-narrowing-toggle)
4917           (and wpos (set-window-start mwin wpos)))))))
4918
4919 (autoload 'elmo-folder-list-global-flag-messages "elmo-flag")
4920
4921 (require 'product)
4922 (product-provide (provide 'wl-summary) (require 'wl-version))
4923
4924 ;;; wl-summary.el ends here