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