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)
2733   (save-excursion
2734     (let* ((condition (car (elmo-parse-search-condition
2735                             (elmo-read-search-condition
2736                              wl-summary-pick-field-default))))
2737            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2738                                        condition
2739                                        from-list))
2740            num)
2741       (if delete-marks
2742           (let ((mlist wl-summary-buffer-target-mark-list))
2743             (while mlist
2744               (when (wl-summary-jump-to-msg (car mlist))
2745                 (wl-summary-unmark))
2746               (setq mlist (cdr mlist)))
2747             (setq wl-summary-buffer-target-mark-list nil)))
2748       (if (and result
2749                (setq num (wl-summary-target-mark-msgs result))
2750                (> num 0))
2751           (if (= num (length result))
2752               (message "%d message(s) are picked." num)
2753             (message "%d(%d) message(s) are picked." num
2754                      (- (length result) num)))
2755         (message "No message was picked.")))))
2756
2757 (defun wl-summary-unvirtual ()
2758   "Exit from current virtual folder."
2759   (interactive)
2760   (if (eq 'filter
2761           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2762       (wl-summary-goto-folder-subr
2763        (elmo-folder-name-internal
2764         (elmo-filter-folder-target-internal
2765          wl-summary-buffer-elmo-folder))
2766        'update nil nil t)
2767     (error "This folder is not filtered")))
2768
2769 (defun wl-summary-virtual (&optional arg)
2770   "Goto virtual folder.
2771 If ARG, exit virtual folder."
2772   (interactive "P")
2773   (if arg
2774       (wl-summary-unvirtual)
2775     (wl-summary-goto-folder-subr (concat "/"
2776                                          (elmo-read-search-condition
2777                                           wl-summary-pick-field-default)
2778                                          "/"
2779                                          (wl-summary-buffer-folder-name))
2780                                  'update nil nil t)
2781     (run-hooks 'wl-summary-virtual-hook)))
2782
2783 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2784   "Erase all temp marks from buffer."
2785   (interactive)
2786   (when (or wl-summary-buffer-target-mark-list
2787             wl-summary-buffer-temp-mark-list
2788             wl-summary-scored)
2789     (save-excursion
2790       (goto-char (point-min))
2791       (unless no-msg
2792         (message "Unmarking..."))
2793       (while (not (eobp))
2794         (wl-summary-unset-mark nil nil force)
2795         (forward-line 1))
2796       (unless no-msg
2797         (message "Unmarking...done"))
2798       (setq wl-summary-buffer-target-mark-list nil)
2799       (setq wl-summary-buffer-temp-mark-list nil))))
2800
2801 (defsubst wl-summary-temp-mark (&optional number)
2802   "Return temp-mark string of current line."
2803   (let ((number (or number (wl-summary-message-number)))
2804         info)
2805     (or (and (wl-summary-have-target-mark-p number)
2806              "*")
2807         (and (setq info (wl-summary-registered-temp-mark number))
2808              (nth 1 info))
2809         (wl-summary-get-score-mark number)
2810         " ")))
2811
2812 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2813   "Return the persistent mark string.
2814 The mark is decided according to the FOLDER, FLAGS and CACHED."
2815   (let ((priorities wl-summary-persistent-mark-priority-list)
2816         mark)
2817     (while (and (null mark) priorities)
2818       (if (and (eq (car priorities) 'flag)
2819                (elmo-get-global-flags flags 'ignore-preserved))
2820           (let ((specs wl-summary-flag-alist)
2821                 spec)
2822             (while (setq spec (car specs))
2823               (if (memq (car spec) flags)
2824                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2825                         specs nil)
2826                 (setq specs (cdr specs))))
2827             (unless mark
2828               (setq mark wl-summary-flag-mark)))
2829         (when (memq (car priorities) flags)
2830           (setq mark
2831                 (let ((var
2832                        (intern
2833                         (if cached
2834                             (format
2835                              "wl-summary-%s-cached-mark" (car priorities))
2836                           (format
2837                            "wl-summary-%s-uncached-mark" (car priorities))))))
2838                   (if (and (boundp var)
2839                            (symbol-value var))
2840                       (symbol-value var)
2841                     (if cached
2842                         (downcase (substring (symbol-name (car priorities))
2843                                              0 1))
2844                       (upcase (substring (symbol-name (car priorities))
2845                                          0 1))))))))
2846       (setq priorities (cdr priorities)))
2847     (or mark
2848         (if (or cached (elmo-folder-local-p folder))
2849             nil
2850           wl-summary-uncached-mark))))
2851
2852 (defsubst wl-summary-message-mark (folder number &optional flags)
2853   "Return mark of the message."
2854   (ignore-errors
2855     (wl-summary-persistent-mark-string
2856      folder
2857      (or flags (setq flags (elmo-message-flags folder number)))
2858      (memq 'cached flags) ; XXX for speed-up.
2859      )))
2860
2861 (defsubst wl-summary-persistent-mark (&optional number flags)
2862   "Return persistent-mark string of current line."
2863   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
2864                                (or number (wl-summary-message-number))
2865                                flags)
2866       " "))
2867
2868 (defun wl-summary-put-temp-mark (mark)
2869   "Put temp MARK on current line."
2870   (when wl-summary-buffer-temp-mark-column
2871     (save-excursion
2872       (beginning-of-line)
2873       (let ((inhibit-read-only t)
2874             (buffer-read-only nil))
2875         (move-to-column wl-summary-buffer-temp-mark-column)
2876         (delete-backward-char 1)
2877         (insert mark)))))
2878
2879 (defun wl-summary-next-buffer ()
2880   "Switch to next summary buffer."
2881   (interactive)
2882   (let ((buffers (sort (wl-collect-summary)
2883                        (lambda (buffer1 buffer2)
2884                          (string-lessp (buffer-name buffer1)
2885                                        (buffer-name buffer2))))))
2886     (switch-to-buffer
2887      (or (cadr (memq (current-buffer) buffers))
2888          (car buffers)))))
2889
2890 (defun wl-summary-previous-buffer ()
2891   "Switch to previous summary buffer."
2892   (interactive)
2893   (let ((buffers (sort (wl-collect-summary)
2894                        (lambda (buffer1 buffer2)
2895                          (not (string-lessp (buffer-name buffer1)
2896                                             (buffer-name buffer2)))))))
2897     (switch-to-buffer
2898      (or (cadr (memq (current-buffer) buffers))
2899          (car buffers)))))
2900
2901 (defun wl-summary-target-mark-mark-as-read ()
2902   (interactive)
2903   (save-excursion
2904     (goto-char (point-min))
2905     (let ((inhibit-read-only t)
2906           (buffer-read-only nil)
2907           wl-summary-buffer-disp-msg)
2908       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
2909       (dolist (number wl-summary-buffer-target-mark-list)
2910         (wl-summary-unset-mark number)))))
2911
2912 (defun wl-summary-target-mark-mark-as-unread ()
2913   (interactive)
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-unread 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-operation (flag &optional inverse)
2924   (save-excursion
2925     (let ((inhibit-read-only t)
2926           (buffer-read-only nil)
2927           wl-summary-buffer-disp-msg)
2928       (funcall
2929        (intern (format "wl-summary-mark-as-%s-internal" flag))
2930        inverse
2931        wl-summary-buffer-target-mark-list)
2932       (wl-summary-delete-all-target-marks))))
2933
2934 (defun wl-summary-target-mark-mark-as-important (&optional remove)
2935   (interactive "P")
2936   (wl-summary-target-mark-operation 'important remove))
2937
2938 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
2939   (interactive "P")
2940   (wl-summary-target-mark-operation 'answered remove))
2941
2942 (defun wl-summary-target-mark-set-flags (&optional remove)
2943   (interactive "P")
2944   (save-excursion
2945     (let ((inhibit-read-only t)
2946           (buffer-read-only nil)
2947           wl-summary-buffer-disp-msg)
2948       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
2949                                      nil nil remove)
2950       (wl-summary-delete-all-target-marks)
2951       (wl-summary-count-unread)
2952       (wl-summary-update-modeline))))
2953
2954 (defun wl-summary-target-mark-save ()
2955   (interactive)
2956   (let ((wl-save-dir
2957          (wl-read-directory-name "Save to directory: "
2958                                  wl-temporary-file-directory))
2959         number)
2960     (if (null (file-exists-p wl-save-dir))
2961         (make-directory wl-save-dir))
2962     (while (setq number (car wl-summary-buffer-target-mark-list))
2963       (wl-thread-jump-to-msg number)
2964       (wl-summary-save t wl-save-dir)
2965       (wl-summary-unmark))))
2966
2967 (defun wl-summary-target-mark-pick ()
2968   (interactive)
2969   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
2970
2971 (defun wl-summary-update-persistent-mark (&optional number flags)
2972   "Synch up persistent mark of current line with msgdb's.
2973 Return non-nil if the mark is updated"
2974   (interactive)
2975   (prog1
2976       (when wl-summary-buffer-persistent-mark-column
2977         (save-excursion
2978           (move-to-column wl-summary-buffer-persistent-mark-column)
2979           (let ((inhibit-read-only t)
2980                 (buffer-read-only nil)
2981                 (mark (buffer-substring (- (point) 1) (point)))
2982                 (new-mark (wl-summary-persistent-mark number flags)))
2983             (unless (string= new-mark mark)
2984               (delete-backward-char 1)
2985               (insert new-mark)
2986               (wl-summary-set-message-modified)
2987               t))))
2988     (when wl-summary-highlight
2989       (wl-highlight-summary-current-line))
2990     (set-buffer-modified-p nil)))
2991
2992 (defsubst wl-summary-mark-as-read-internal (inverse
2993                                             number-or-numbers
2994                                             no-folder-mark
2995                                             no-modeline-update)
2996   (save-excursion
2997     (let ((folder wl-summary-buffer-elmo-folder)
2998           unread-message number
2999           number-list visible)
3000       (setq number-list (cond ((numberp number-or-numbers)
3001                                (setq unread-message
3002                                      (elmo-message-flagged-p
3003                                       folder
3004                                       number-or-numbers
3005                                       'unread))
3006                                (list number-or-numbers))
3007                               ((and (not (null number-or-numbers))
3008                                     (listp number-or-numbers))
3009                                number-or-numbers)
3010                               ((setq number (wl-summary-message-number))
3011                                ;; interactive
3012                                (setq unread-message
3013                                      (elmo-message-flagged-p
3014                                       folder
3015                                       number
3016                                       'unread))
3017                                (list number))))
3018       (if (null number-list)
3019           (message "No message.")
3020         (if inverse
3021             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3022           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3023         (dolist (number number-list)
3024           (setq visible (wl-summary-jump-to-msg number))
3025           (unless inverse
3026             (when unread-message
3027               (run-hooks 'wl-summary-unread-message-hook)))
3028           ;; set mark on buffer
3029           (when visible
3030             (wl-summary-update-persistent-mark)))
3031         (unless no-modeline-update
3032           ;; Update unread numbers.
3033           (wl-summary-count-unread)
3034           (wl-summary-update-modeline)
3035           (wl-folder-update-unread
3036            (wl-summary-buffer-folder-name)
3037            wl-summary-buffer-unread-count))))))
3038
3039 (defun wl-summary-mark-as-read (&optional number-or-numbers
3040                                           no-folder-mark
3041                                           no-modeline-update)
3042   (interactive)
3043   (wl-summary-mark-as-read-internal nil
3044                                     number-or-numbers
3045                                     no-folder-mark
3046                                     no-modeline-update))
3047
3048 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3049                                             no-folder-mark
3050                                             no-modeline-update)
3051   (interactive)
3052   (wl-summary-mark-as-read-internal 'inverse
3053                                     number-or-numbers
3054                                     no-folder-mark
3055                                     no-modeline-update))
3056
3057 (defsubst wl-summary-set-persistent-mark-internal (inverse
3058                                                    flag
3059                                                    &optional number-or-numbers
3060                                                    no-modeline-update
3061                                                    no-server
3062                                                    interactive)
3063   "Set persistent mark."
3064   (save-excursion
3065     (let ((folder wl-summary-buffer-elmo-folder)
3066           number number-list visible)
3067       (setq number-list (cond ((numberp number-or-numbers)
3068                                (list number-or-numbers))
3069                               ((and (not (null number-or-numbers))
3070                                     (listp number-or-numbers))
3071                                number-or-numbers)
3072                               ((setq number (wl-summary-message-number))
3073                                ;; interactive
3074                                (list number))))
3075       (if (null number-list)
3076           (message "No message.")
3077         ;; XXX Only the first element of the list is checked.
3078         (if (elmo-message-flag-available-p folder (car number-list) flag)
3079             (progn
3080               (if inverse
3081                   (elmo-folder-unset-flag folder number-list flag no-server)
3082                 (elmo-folder-set-flag folder number-list flag no-server))
3083               (dolist (number number-list)
3084                 ;; set mark on buffer
3085                 (when (wl-summary-jump-to-msg number)
3086                   (wl-summary-update-persistent-mark)))
3087               (unless no-modeline-update
3088                 ;; Update unread numbers.
3089                 ;; should elmo-flag-mark-as-read return unread numbers?
3090                 (wl-summary-count-unread)
3091                 (wl-summary-update-modeline)
3092                 (wl-folder-update-unread
3093                  (wl-summary-buffer-folder-name)
3094                  wl-summary-buffer-unread-count)))
3095           (if interactive
3096               (error "Flag `%s' is not available in this folder" flag)))))))
3097
3098 (defun wl-summary-unset-persistent-mark (&optional flag
3099                                                    number-or-numbers
3100                                                    no-modeline-update
3101                                                    no-server)
3102   "Unset persistent mark."
3103   (interactive)
3104   (when (interactive-p)
3105     (let ((completion-ignore-case t))
3106       (setq flag (intern (downcase
3107                           (completing-read
3108                            "Flag: "
3109                            (mapcar (lambda (flag)
3110                                      (list (capitalize (symbol-name flag))))
3111                                    (wl-summary-get-available-flags))
3112                            nil
3113                            'require-match))))))
3114   (wl-summary-set-persistent-mark-internal 'inverse
3115                                            flag
3116                                            number-or-numbers
3117                                            no-modeline-update
3118                                            no-server
3119                                            (interactive-p)))
3120
3121 (defun wl-summary-set-persistent-mark (&optional flag
3122                                                  number-or-numbers
3123                                                  no-modeline-update
3124                                                  no-server)
3125   "Set persistent mark."
3126   (interactive)
3127   (when (interactive-p)
3128     (let ((completion-ignore-case t))
3129       (setq flag (intern (downcase
3130                           (completing-read
3131                            "Flag: "
3132                            (mapcar (lambda (flag)
3133                                      (list (capitalize (symbol-name flag))))
3134                                    (wl-summary-get-available-flags))
3135                            nil
3136                            'require-match))))))
3137   (wl-summary-set-persistent-mark-internal nil
3138                                            flag
3139                                            number-or-numbers
3140                                            no-modeline-update
3141                                            no-server
3142                                            (interactive-p)))
3143
3144 (defun wl-summary-toggle-persistent-mark (&optional force)
3145   "Toggle persistent mark."
3146   (interactive "P")
3147   (let ((completion-ignore-case t)
3148         flag)
3149     (setq flag (intern (downcase
3150                         (completing-read
3151                          "Flag: "
3152                          (mapcar (lambda (flag)
3153                                    (list (capitalize (symbol-name flag))))
3154                                  (wl-summary-get-available-flags))
3155                          nil
3156                          'require-match))))
3157     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3158                                      (wl-summary-message-number)
3159                                      flag)
3160              (not force))
3161         (wl-summary-unset-persistent-mark flag)
3162       (wl-summary-set-persistent-mark flag))))
3163
3164 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3165                                               no-modeline-update)
3166   (interactive)
3167   (wl-summary-set-persistent-mark-internal
3168    (and (interactive-p)
3169         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3170                                 (wl-summary-message-number)
3171                                 'answered))
3172    'answered
3173    number-or-numbers
3174    no-modeline-update
3175    nil
3176    (interactive-p)))
3177
3178 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3179                                                 no-modeline-update)
3180   (wl-summary-set-persistent-mark-internal
3181    'inverse
3182    'answered
3183    number-or-numbers
3184    no-modeline-update))
3185
3186 (defun wl-summary-decide-flag (folder number)
3187   (let ((flags (elmo-get-global-flags (elmo-message-flags
3188                                        folder number)))
3189         (completion-ignore-case t)
3190         new-flags)
3191     (setq new-flags
3192           (delq nil
3193                 (mapcar
3194                  (lambda (flag)
3195                    (and (> (length flag) 0)
3196                         (intern (downcase flag))))
3197                  (wl-completing-read-multiple
3198                   "Flags: "
3199                   (mapcar (lambda (flag)
3200                             (list (capitalize (symbol-name flag))))
3201                           elmo-global-flag-list)
3202                   nil nil (mapconcat (lambda (flag)
3203                                        (capitalize (symbol-name flag)))
3204                                      flags
3205                                      ",")))))
3206     (dolist (flag new-flags)
3207       (unless (memq flag elmo-global-flag-list)
3208         (if (y-or-n-p (format "Flag `%s' does not exist yet. Create?"
3209                               (capitalize (symbol-name flag))))
3210             (setq elmo-global-flag-list (append
3211                                          elmo-global-flag-list
3212                                          (list flag)))
3213           (error "Stopped"))))
3214     new-flags))
3215
3216 (defsubst wl-summary-set-flags-internal (&optional
3217                                         number-or-numbers
3218                                         flags
3219                                         local
3220                                         remove-all)
3221   (save-excursion
3222     (let ((folder wl-summary-buffer-elmo-folder)
3223           number number-list visible)
3224       (setq number-list (cond ((numberp number-or-numbers)
3225                                (list number-or-numbers))
3226                               ((and (not (null number-or-numbers))
3227                                     (listp number-or-numbers))
3228                                number-or-numbers)
3229                               ((setq number (wl-summary-message-number))
3230                                ;; interactive
3231                                (list number))))
3232       (if remove-all
3233           (setq flags nil)
3234         (unless flags
3235           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3236       (if (null number-list)
3237           (message "No message.")
3238         (dolist (number number-list)
3239           (elmo-message-set-global-flags folder number flags local)
3240           (setq visible (wl-summary-jump-to-msg number))
3241           ;; set mark on buffer
3242           (when visible
3243             (wl-summary-update-persistent-mark))))
3244       flags)))
3245
3246 (defun wl-summary-set-flags (&optional remove)
3247   (interactive "P")
3248   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3249       (error "Cannot process flags in this folder"))
3250   (wl-summary-set-flags-internal nil nil nil remove))
3251
3252 (defun wl-summary-mark-as-important (&optional prompt)
3253   (interactive "P")
3254   (if (eq 'flag (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
3255       (error "Cannot process flags in this folder"))
3256   (if prompt
3257       (wl-summary-set-flags-internal)
3258     (wl-summary-set-persistent-mark-internal
3259      (and (interactive-p)
3260           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3261                                   (wl-summary-message-number)
3262                                   'important))
3263      'important
3264      nil nil nil (interactive-p))))
3265
3266 ;;; Summary line.
3267 (defvar wl-summary-line-formatter nil)
3268
3269 (defun wl-summary-view-old-p ()
3270   "Return non-nil when summary view cache has old format."
3271   (save-excursion
3272     (goto-char (point-min))
3273     (and wl-summary-buffer-number-list
3274          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3275
3276 (defun wl-summary-line-format-changed-p ()
3277   "Return non-nil when summary line format is changed."
3278   (not (string=
3279         wl-summary-buffer-line-format
3280         (or (elmo-object-load (expand-file-name
3281                                wl-summary-line-format-file
3282                                (elmo-folder-msgdb-path
3283                                 wl-summary-buffer-elmo-folder))
3284                               wl-summary-buffer-mime-charset)
3285             wl-summary-buffer-line-format))))
3286
3287 (defun wl-summary-line-format-save ()
3288   "Save current summary line format."
3289   (elmo-object-save
3290    (expand-file-name wl-summary-line-format-file
3291                      (elmo-folder-msgdb-path
3292                       wl-summary-buffer-elmo-folder))
3293    wl-summary-buffer-line-format
3294    wl-summary-buffer-mime-charset))
3295
3296 (defun wl-summary-line-number ()
3297   (wl-set-string-width
3298    (- wl-summary-buffer-number-column)
3299    (number-to-string
3300     (elmo-message-entity-number wl-message-entity))))
3301
3302 (defun wl-summary-line-year ()
3303   (aref wl-datevec 0))
3304 (defun wl-summary-line-month ()
3305   (format "%02d" (aref wl-datevec 1)))
3306 (defun wl-summary-line-day ()
3307   (format "%02d" (aref wl-datevec 2)))
3308 (defun wl-summary-line-day-of-week ()
3309   (condition-case nil
3310       (elmo-date-get-week (aref wl-datevec 0)
3311                           (aref wl-datevec 1)
3312                           (aref wl-datevec 2))
3313     (error "??")))
3314 (defun wl-summary-line-hour ()
3315   (format "%02d" (aref wl-datevec 3)))
3316 (defun wl-summary-line-minute ()
3317   (format "%02d" (aref wl-datevec 4)))
3318
3319 (defun wl-summary-line-size ()
3320   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3321     (if size
3322         (cond
3323          ((<= 1 (/ size 1048576))
3324           (format "%.0fM" (/ size 1048576.0)))
3325          ((<= 1 (/ size 1024))
3326           (format "%.0fK" (/ size 1024.0)))
3327          (t (format "%dB" size)))
3328       "")))
3329
3330 (defun wl-summary-line-subject ()
3331   (let (no-parent subject parent-raw-subject parent-subject)
3332     (if (string= wl-thr-indent-string "")
3333         (setq no-parent t)) ; no parent
3334     (setq subject
3335           (elmo-delete-char ?\n
3336                             (or (elmo-message-entity-field
3337                                  wl-message-entity
3338                                  'subject t)
3339                                 wl-summary-no-subject-message)))
3340     (setq parent-raw-subject
3341           (elmo-message-entity-field wl-parent-message-entity
3342                                      'subject t))
3343     (setq parent-subject
3344           (if parent-raw-subject
3345               (elmo-delete-char ?\n parent-raw-subject)))
3346     (if (or no-parent
3347             (null parent-subject)
3348             (not (wl-summary-subject-equal
3349                   subject parent-subject)))
3350         (funcall wl-summary-subject-function subject)
3351       "")))
3352
3353 (defun wl-summary-line-from ()
3354   (elmo-delete-char ?\n
3355                     (funcall wl-summary-from-function
3356                              (elmo-message-entity-field
3357                               wl-message-entity
3358                               'from t))))
3359
3360 (defun wl-summary-line-list-info ()
3361   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3362     (if (car list-info)
3363         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3364                 (car list-info) (cdr list-info))
3365       "")))
3366
3367 (defun wl-summary-line-list-count ()
3368   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3369     (if ml-count
3370         (format "%.0f" ml-count)
3371       "")))
3372
3373 (defun wl-summary-line-attached ()
3374   (let ((content-type (elmo-message-entity-field
3375                        wl-message-entity 'content-type))
3376         (case-fold-search t))
3377     (if (and content-type
3378              (string-match "multipart/mixed" content-type))
3379         "@"
3380       "")))
3381
3382 ;;; For future use.
3383 ;;(defun wl-summary-line-cached ()
3384 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3385 ;;                           (elmo-message-entity-number wl-message-entity))
3386 ;;      " "
3387 ;;    "u"))
3388
3389 (defun wl-summary-create-line (wl-message-entity
3390                                wl-parent-message-entity
3391                                wl-temp-mark
3392                                wl-flags
3393                                wl-cached
3394                                &optional
3395                                wl-thr-children-number
3396                                wl-thr-indent-string
3397                                wl-thr-linked)
3398   "Create a summary line."
3399   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3400         (wl-persistent-mark (wl-summary-persistent-mark-string
3401                              wl-summary-buffer-elmo-folder
3402                              wl-flags
3403                              wl-cached))
3404         (elmo-mime-charset wl-summary-buffer-mime-charset)
3405         (elmo-lang wl-summary-buffer-weekday-name-lang)
3406         (wl-datevec (or (ignore-errors (timezone-fix-time
3407                                         (elmo-message-entity-field
3408                                          wl-message-entity
3409                                          'date)
3410                                         nil
3411                                         wl-summary-fix-timezone))
3412                         (make-vector 5 0)))
3413         (entity wl-message-entity) ; backward compatibility.
3414         line mark)
3415     (if (and wl-thr-indent-string
3416              wl-summary-indent-length-limit
3417              (< wl-summary-indent-length-limit
3418                 (string-width wl-thr-indent-string)))
3419         (setq wl-thr-indent-string (wl-set-string-width
3420                                     wl-summary-indent-length-limit
3421                                     wl-thr-indent-string)))
3422     (setq line (funcall wl-summary-buffer-line-formatter))
3423     (if wl-summary-width (setq line
3424                                (wl-set-string-width
3425                                 (- wl-summary-width 1) line nil
3426                                 'ignore-invalid)))
3427     (setq line (concat line
3428                        "\r"
3429                        (number-to-string
3430                         (elmo-message-entity-number
3431                          wl-message-entity))))
3432     (if wl-summary-highlight
3433         (wl-highlight-summary-line-string
3434          (elmo-message-entity-number wl-message-entity)
3435          line
3436          wl-flags
3437          wl-temp-mark
3438          wl-thr-indent-string))
3439     line))
3440
3441 (defsubst wl-summary-proc-wday (wday-str year month mday)
3442   (save-match-data
3443     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3444         (wl-match-string 1 wday-str)
3445       (elmo-date-get-week year month mday))))
3446
3447 (defvar wl-summary-move-spec-alist
3448   '((new . ((t . nil)
3449             (p . new)
3450             (p . unread)
3451             (p . digest)))
3452     (unread . ((t . nil)
3453                (p . unread)
3454                (p . digest)))))
3455
3456 (defsubst wl-summary-next-message (num direction hereto)
3457   (if wl-summary-buffer-next-message-function
3458       (funcall wl-summary-buffer-next-message-function num direction hereto)
3459     (let ((cur-spec (cdr (assq wl-summary-move-order
3460                                wl-summary-move-spec-alist)))
3461           (nums (memq num (if (eq direction 'up)
3462                               (reverse wl-summary-buffer-number-list)
3463                             wl-summary-buffer-number-list)))
3464           flagged-list nums2)
3465       (unless hereto (setq nums (cdr nums)))
3466       (setq nums2 nums)
3467       (if cur-spec
3468           (catch 'done
3469             (while cur-spec
3470               (setq nums nums2)
3471               (cond ((eq (car (car cur-spec)) 'p)
3472                      (if (setq flagged-list
3473                                (elmo-folder-list-flagged
3474                                 wl-summary-buffer-elmo-folder
3475                                 (cdr (car cur-spec)) t))
3476                          (while nums
3477                            (if (and (memq (car nums) flagged-list)
3478                                     (elmo-message-accessible-p
3479                                      wl-summary-buffer-elmo-folder
3480                                      (car nums)))
3481                                (throw 'done (car nums)))
3482                            (setq nums (cdr nums)))))
3483                     ((eq (car (car cur-spec)) 't)
3484                      (if wl-summary-buffer-target-mark-list
3485                          (while nums
3486                            (if (memq (car nums)
3487                                      wl-summary-buffer-target-mark-list)
3488                                (throw 'done (car nums)))
3489                            (setq nums (cdr nums))))))
3490               (setq cur-spec (cdr cur-spec))))
3491         (car nums)))))
3492
3493 (defsubst wl-summary-cursor-move (direction hereto)
3494   (when (and (eq direction 'up)
3495              (eobp))
3496     (forward-line -1)
3497     (setq hereto t))
3498   (let (num)
3499     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3500                                              direction hereto))
3501       (if (numberp num)
3502           (wl-thread-jump-to-msg num))
3503       t)))
3504 ;;
3505 ;; Goto unread or global flag message
3506 ;; returns t if next message exists in this folder.
3507 (defun wl-summary-cursor-down (&optional hereto)
3508   (interactive "P")
3509   (wl-summary-cursor-move 'down hereto))
3510
3511 (defun wl-summary-cursor-up (&optional hereto)
3512   (interactive "P")
3513   (wl-summary-cursor-move 'up hereto))
3514
3515 (defun wl-summary-save-view-cache ()
3516   (save-excursion
3517     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3518            (cache (expand-file-name wl-summary-cache-file dir))
3519            (view (expand-file-name wl-summary-view-file dir))
3520            (save-view wl-summary-buffer-view)
3521            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3522            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3523            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3524            (temp-column wl-summary-buffer-temp-mark-column)
3525            (charset wl-summary-buffer-mime-charset))
3526       (when dir
3527         (if (file-directory-p dir)
3528             (); ok.
3529           (if (file-exists-p dir)
3530               (error "File %s already exists" dir)
3531             (elmo-make-directory dir)))
3532         (if (eq save-view 'thread)
3533             (wl-thread-save-entity dir))
3534         (when wl-summary-check-line-format
3535           (wl-summary-line-format-save))
3536         (unwind-protect
3537             (progn
3538               (when (file-writable-p cache)
3539                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3540                 (with-current-buffer tmp-buffer
3541                   (widen)
3542                   (make-local-variable 'wl-summary-highlight)
3543                   (setq wl-summary-highlight nil
3544                         wl-summary-buffer-target-mark-list mark-list
3545                         wl-summary-buffer-temp-mark-list temp-list
3546                         wl-summary-buffer-temp-mark-column temp-column)
3547                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3548                   (encode-coding-region
3549                    (point-min) (point-max)
3550                    (or (and wl-on-mule
3551                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3552                             (mime-charset-to-coding-system charset 'LF))
3553                        ;; Mule 2 doesn't have `*ctext*unix'.
3554                        (mime-charset-to-coding-system charset)))
3555                   (write-region-as-binary (point-min)(point-max)
3556                                           cache nil 'no-msg)))
3557               (when (file-writable-p view) ; 'thread or 'sequence
3558                 (save-excursion
3559                   (set-buffer tmp-buffer)
3560                   (erase-buffer)
3561                   (prin1 save-view tmp-buffer)
3562                   (princ "\n" tmp-buffer)
3563                   (write-region (point-min) (point-max) view nil 'no-msg))))
3564           ;; kill tmp buffer.
3565           (kill-buffer tmp-buffer))))))
3566
3567 (defsubst wl-summary-get-sync-range (folder)
3568   (intern (or (and
3569                (elmo-folder-plugged-p folder)
3570                (wl-get-assoc-list-value
3571                 wl-folder-sync-range-alist
3572                 (elmo-folder-name-internal folder)
3573                 'function))
3574               wl-default-sync-range)))
3575
3576 ;; redefined for wl-summary-sync-update
3577 (defun wl-summary-input-range (folder)
3578   "returns update or all or rescan."
3579   ;; for the case when parts are expanded in the bottom of the folder
3580   (let ((input-range-list '("no-sync"
3581                             "first:"
3582                             "last:"
3583                             "cache-status"
3584                             "mark"
3585                             "rescan"
3586                             "rescan-noscore"
3587                             "rescan-thread"
3588                             "update"
3589                             "update-entirely"
3590                             "all"
3591                             "all-entirely"))
3592         (default (or (wl-get-assoc-list-value
3593                       wl-folder-sync-range-alist
3594                       folder
3595                       'function)
3596                      wl-default-sync-range))
3597         range)
3598     (setq range
3599           (completing-read (format "Range (%s): " default)
3600                            (mapcar
3601                             (function (lambda (x) (cons x x)))
3602                             input-range-list)))
3603     (if (string= range "")
3604         default
3605       range)))
3606
3607 (defun wl-summary-toggle-disp-folder (&optional arg)
3608   (interactive)
3609   (let ((cur-buf (current-buffer))
3610         (summary-win (get-buffer-window (current-buffer)))
3611         fld-buf fld-win)
3612     (cond
3613      ((eq arg 'on)
3614       (setq wl-summary-buffer-disp-folder t)
3615       ;; hide your folder window
3616       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3617           (if (setq fld-win (get-buffer-window fld-buf))
3618               (delete-window fld-win))))
3619      ((eq arg 'off)
3620       (setq wl-summary-buffer-disp-folder nil)
3621       ;; hide your wl-message window!
3622       (when (buffer-live-p wl-message-buffer)
3623         (wl-message-select-buffer wl-message-buffer)
3624         (delete-window))
3625       (select-window (get-buffer-window cur-buf))
3626       ;; display wl-folder window!!
3627       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3628           (if (setq fld-win (get-buffer-window fld-buf))
3629               ;; folder win is already displayed.
3630               (select-window fld-win)
3631             ;; folder win is not displayed.
3632             (switch-to-buffer fld-buf))
3633         ;; no folder buf
3634         (wl-folder))
3635       ;; temporarily delete summary-win.
3636       (if summary-win
3637           (delete-window summary-win))
3638       (split-window-horizontally wl-folder-window-width)
3639       (other-window 1)
3640       (switch-to-buffer cur-buf))
3641      (t
3642       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3643           (if (setq fld-win (get-buffer-window fld-buf))
3644               (setq wl-summary-buffer-disp-folder nil)
3645             (setq wl-summary-buffer-disp-folder t)))
3646       (if (not wl-summary-buffer-disp-folder)
3647           ;; hide message window
3648           (let ((mes-win (and wl-message-buffer
3649                               (get-buffer-window wl-message-buffer)))
3650                 (wl-stay-folder-window t))
3651             (if mes-win (delete-window mes-win))
3652             ;; hide your folder window
3653             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3654                 (if (setq fld-win (get-buffer-window fld-buf))
3655                     (progn
3656                       (delete-window (get-buffer-window cur-buf))
3657                       (select-window fld-win)
3658                       (switch-to-buffer cur-buf))))
3659             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3660             ;; resume message window.
3661             (when mes-win
3662               (wl-message-select-buffer wl-message-buffer)
3663               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3664               (select-window (get-buffer-window cur-buf))))
3665         ;; hide message window
3666         (let ((wl-stay-folder-window t)
3667               (mes-win (and wl-message-buffer
3668                             (get-buffer-window wl-message-buffer))))
3669           (if mes-win (delete-window mes-win))
3670           (select-window (get-buffer-window cur-buf))
3671           ;; display wl-folder window!!
3672           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3673               (if (setq fld-win (get-buffer-window fld-buf))
3674                   ;; folder win is already displayed.
3675                   (select-window fld-win)
3676                 ;; folder win is not displayed...occupy all.
3677                 (switch-to-buffer fld-buf))
3678             ;; no folder buf
3679             (wl-folder))
3680           (split-window-horizontally wl-folder-window-width)
3681           (other-window 1)
3682           (switch-to-buffer cur-buf)
3683           ;; resume message window.
3684           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3685           (when mes-win
3686             (wl-message-select-buffer wl-message-buffer)
3687             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3688             (select-window (get-buffer-window cur-buf))))))))
3689   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3690
3691 (defun wl-summary-toggle-disp-msg (&optional arg)
3692   (interactive)
3693   (let ((cur-buf (current-buffer))
3694         fld-buf fld-win
3695         summary-win)
3696     (cond
3697      ((eq arg 'on)
3698       (setq wl-summary-buffer-disp-msg t)
3699       (save-excursion
3700         ;; hide your folder window
3701         (if (and (not wl-stay-folder-window)
3702                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3703             (if (setq fld-win (get-buffer-window fld-buf))
3704                 (unless (one-window-p fld-win)
3705                   (delete-window fld-win))))))
3706      ((eq arg 'off)
3707       (wl-delete-all-overlays)
3708       (setq wl-summary-buffer-disp-msg nil)
3709       (save-excursion
3710         (when (buffer-live-p wl-message-buffer)
3711           (wl-message-select-buffer wl-message-buffer)
3712           (delete-window)
3713           (and (get-buffer-window cur-buf)
3714                (select-window (get-buffer-window cur-buf))))
3715         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3716      (t
3717       (if (and wl-message-buffer
3718                (get-buffer-window wl-message-buffer)) ; already displayed
3719           (setq wl-summary-buffer-disp-msg nil)
3720         (setq wl-summary-buffer-disp-msg t))
3721       (if wl-summary-buffer-disp-msg
3722           (progn
3723             (wl-summary-redisplay)
3724 ;;; hide your folder window
3725 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3726 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3727 ;;;             (delete-window fld-win)))
3728             (run-hooks 'wl-summary-toggle-disp-on-hook))
3729         (wl-delete-all-overlays)
3730         (save-excursion
3731           (wl-message-select-buffer wl-message-buffer)
3732           (delete-window)
3733           (select-window (get-buffer-window cur-buf))
3734           (setq wl-message-buffer nil)
3735           (run-hooks 'wl-summary-toggle-disp-off-hook))
3736 ;;;     (switch-to-buffer cur-buf)
3737         )))
3738     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3739
3740 (defun wl-summary-enter-handler (&optional arg)
3741   "A command for `enter' key in the summary.
3742 Basically, it shows next line of the message.
3743 If optional argument ARG is specified, behave as followed.
3744 If ARG is number, jump to the message.
3745 Otherwise it shows previous line of the message."
3746   (interactive "P")
3747   (cond ((numberp arg)
3748          (unless (wl-thread-jump-to-msg arg)
3749            (message "Message (#%d) was not found." arg)))
3750         (arg
3751          (wl-summary-prev-line-content))
3752         (t
3753          (wl-summary-next-line-content))))
3754
3755 (defun wl-summary-next-line-content ()
3756   "Show next line of the message."
3757   (interactive)
3758   (let ((cur-buf (current-buffer)))
3759     (wl-summary-toggle-disp-msg 'on)
3760     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3761       (set-buffer cur-buf)
3762       (wl-message-next-page 1))))
3763
3764 (defun wl-summary-prev-line-content ()
3765   (interactive)
3766   (let ((cur-buf (current-buffer)))
3767     (wl-summary-toggle-disp-msg 'on)
3768     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3769       (set-buffer cur-buf)
3770       (wl-message-prev-page 1))))
3771
3772 (defun wl-summary-next-page ()
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))))
3779
3780 (defun wl-summary-prev-page ()
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))))
3787
3788 (defsubst wl-summary-no-mime-p (folder)
3789   (wl-string-match-member (elmo-folder-name-internal folder)
3790                           wl-summary-no-mime-folder-list))
3791
3792 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3793   "Set message buffer.
3794 If message is not displayed yet, display it.
3795 Return t if message exists."
3796   (let ((folder wl-summary-buffer-elmo-folder)
3797         (number (wl-summary-message-number))
3798         cur-folder cur-number message-last-pos)
3799     (when (buffer-live-p wl-message-buffer)
3800       (save-window-excursion
3801         (setq wl-current-summary-buffer (current-buffer))
3802         (wl-message-select-buffer wl-message-buffer)
3803         (setq cur-folder wl-message-buffer-cur-folder)
3804         (setq cur-number wl-message-buffer-cur-number)))
3805     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3806              (eq number (or cur-number 0)))
3807         (progn
3808           (set-buffer wl-message-buffer)
3809           t)
3810       (wl-summary-redisplay-internal folder number nil
3811                                      wl-summary-buffer-display-as-is)
3812       (when (buffer-live-p wl-message-buffer)
3813         (set-buffer wl-message-buffer))
3814       nil)))
3815
3816 (defun wl-summary-target-mark-forward (&optional arg)
3817   (interactive "P")
3818   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3819         (summary-buf (current-buffer))
3820         (wl-draft-forward t)
3821         start-point
3822         draft-buf)
3823     (wl-summary-jump-to-msg (car mlist))
3824     (wl-summary-forward t)
3825     (setq start-point (point))
3826     (setq draft-buf (current-buffer))
3827     (setq mlist (cdr mlist))
3828     (save-window-excursion
3829       (when mlist
3830         (while mlist
3831           (set-buffer summary-buf)
3832           (wl-summary-jump-to-msg (car mlist))
3833           (wl-summary-redisplay)
3834           (set-buffer draft-buf)
3835           (goto-char (point-max))
3836           (wl-draft-insert-message)
3837           (setq mlist (cdr mlist)))
3838         (wl-draft-body-goto-top)
3839         (wl-draft-enclose-digest-region (point) (point-max)))
3840       (goto-char start-point)
3841       (save-excursion
3842         (set-buffer summary-buf)
3843         (wl-summary-delete-all-target-marks)))
3844     (run-hooks 'wl-mail-setup-hook)))
3845
3846 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3847   (interactive "P")
3848   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3849         (summary-buf (current-buffer))
3850         change-major-mode-hook
3851         start-point
3852         draft-buf)
3853     (wl-summary-jump-to-msg (car mlist))
3854     (when (wl-summary-reply arg t)
3855       (goto-char (point-max))
3856       (setq start-point (point-marker))
3857       (setq draft-buf (current-buffer))
3858       (save-window-excursion
3859         (while mlist
3860           (set-buffer summary-buf)
3861           (delete-other-windows)
3862           (wl-summary-jump-to-msg (car mlist))
3863           (wl-summary-redisplay)
3864           (set-buffer draft-buf)
3865           (goto-char (point-max))
3866           (wl-draft-yank-original)
3867           (setq mlist (cdr mlist)))
3868         (goto-char start-point)
3869         (save-excursion
3870           (set-buffer summary-buf)
3871           (wl-summary-delete-all-target-marks)))
3872       (wl-draft-reply-position wl-draft-reply-default-position)
3873       (run-hooks 'wl-mail-setup-hook))))
3874
3875 (defun wl-summary-reply-with-citation (&optional arg)
3876   (interactive "P")
3877   (when (wl-summary-reply arg t)
3878     (goto-char (point-max))
3879     (wl-draft-yank-original)
3880     (wl-draft-reply-position wl-draft-reply-default-position)
3881     (run-hooks 'wl-mail-setup-hook)))
3882
3883 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
3884   (interactive)
3885   (let* ((original (wl-summary-message-number))
3886          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3887          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
3888          msg otherfld schar
3889          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
3890     (if (setq msg (elmo-message-entity-number entity))
3891         (progn
3892           (wl-thread-jump-to-msg msg)
3893           t)
3894       ;; for XEmacs!
3895       (if (and elmo-use-database
3896                (setq errmsg
3897                      (format
3898                       "No message with id \"%s\" in the database." msgid))
3899                (setq otherfld (elmo-database-msgid-get msgid)))
3900           (if (cdr (wl-summary-jump-to-msg-internal
3901                     (car otherfld) (nth 1 otherfld) 'no-sync))
3902               t ; succeed.
3903             ;; Back to original.
3904             (wl-summary-jump-to-msg-internal
3905              (wl-summary-buffer-folder-name) original 'no-sync))
3906         (cond ((eq wl-summary-search-via-nntp 'confirm)
3907                (require 'elmo-nntp)
3908                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
3909                         elmo-nntp-default-server)
3910                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
3911                (cond ((eq schar ?y)
3912                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3913                      ((eq schar ?s)
3914                       (wl-summary-jump-to-msg-by-message-id-via-nntp
3915                        msgid
3916                        (read-from-minibuffer "NNTP Server: ")))
3917                      (t
3918                       (message "%s" errmsg)
3919                       nil)))
3920               ((or (eq wl-summary-search-via-nntp 'force)
3921                    (and
3922                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
3923                         'nntp)
3924                     wl-summary-search-via-nntp))
3925                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
3926               (t
3927                (message "%s" errmsg)
3928                nil))))))
3929
3930 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
3931   (interactive)
3932   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
3933          newsgroups folder ret
3934          user server port type spec)
3935     (if server-spec
3936         (if (string-match "^-" server-spec)
3937             (setq spec (wl-folder-get-elmo-folder server-spec)
3938                   user (elmo-net-folder-user-internal spec)
3939                   server (elmo-net-folder-server-internal spec)
3940                   port (elmo-net-folder-port-internal spec)
3941                   type (elmo-net-folder-stream-type-internal spec))
3942           (setq server server-spec)))
3943     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
3944                      msgid
3945                      (or server elmo-nntp-default-server)
3946                      (or user elmo-nntp-default-user)
3947                      (or port elmo-nntp-default-port)
3948                      (or type elmo-nntp-default-stream-type)))
3949       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
3950       (setq folder (concat "-" (car newsgroups)
3951                            (elmo-nntp-folder-postfix user server port type)))
3952       (catch 'found
3953         (while newsgroups
3954           (if (wl-folder-entity-exists-p (car newsgroups)
3955                                          wl-folder-newsgroups-hashtb)
3956               (throw 'found
3957                      (setq folder (concat "-" (car newsgroups)
3958                                           (elmo-nntp-folder-postfix
3959                                            user server port type)))))
3960           (setq newsgroups (cdr newsgroups)))))
3961     (if ret
3962         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
3963       (message "No message id \"%s\" in nntp server \"%s\"."
3964                msgid (or server elmo-nntp-default-server))
3965       nil)))
3966
3967 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
3968   (let (wl-auto-select-first entity)
3969     (if (or (string= folder (wl-summary-buffer-folder-name))
3970             (y-or-n-p
3971              (format
3972               "Message was found in the folder \"%s\". Jump to it? "
3973               folder)))
3974         (progn
3975           (unwind-protect
3976               (wl-summary-goto-folder-subr
3977                folder scan-type nil nil t)
3978             (if msgid
3979                 (setq msg
3980                       (elmo-message-entity-number
3981                        (elmo-message-entity
3982                         wl-summary-buffer-elmo-folder
3983                         msgid))))
3984             (setq entity (wl-folder-search-entity-by-name folder
3985                                                           wl-folder-entity
3986                                                           'folder))
3987             (if entity
3988                 (wl-folder-set-current-entity-id
3989                  (wl-folder-get-entity-id entity))))
3990           (if (null msg)
3991               (message "Message was not found currently in this folder.")
3992             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
3993           (cons folder msg)))))
3994
3995 (defun wl-summary-jump-to-parent-message (arg)
3996   (interactive "P")
3997   (let ((cur-buf (current-buffer))
3998         (disp-msg wl-summary-buffer-disp-msg)
3999         (number (wl-summary-message-number))
4000         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4001         (i -1) ;; xxx
4002         msg-id msg-num ref-list ref irt)
4003     (if (null number)
4004         (message "No message.")
4005       (when (eq wl-summary-buffer-view 'thread)
4006         (cond ((and arg (not (numberp arg)))
4007                (setq msg-num
4008                      (wl-thread-entity-get-number
4009                       (wl-thread-entity-get-top-entity
4010                        (wl-thread-get-entity number)))))
4011               ((and arg (numberp arg))
4012                (setq i 0)
4013                (setq msg-num number)
4014                (while (< i arg)
4015                  (setq msg-num
4016                        (wl-thread-entity-get-number
4017                         (wl-thread-entity-get-parent-entity
4018                          (wl-thread-get-entity msg-num))))
4019                  (setq i (1+ i))))
4020               (t (setq msg-num
4021                        (wl-thread-entity-get-number
4022                         (wl-thread-entity-get-parent-entity
4023                          (wl-thread-get-entity number)))))))
4024       (when (null msg-num)
4025         (wl-summary-set-message-buffer-or-redisplay)
4026         (set-buffer (wl-message-get-original-buffer))
4027         (message "Searching parent message...")
4028         (setq ref (std11-field-body "References")
4029               irt (std11-field-body "In-Reply-To"))
4030         (cond
4031          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4032                (string-match regexp ref))
4033           ;; The first message of the thread.
4034           (setq msg-id (wl-match-string 1 ref)))
4035          ;; "In-Reply-To:" has only one msg-id.
4036          ((and (null arg) irt (not (string= irt ""))
4037                (string-match regexp irt))
4038           (setq msg-id (wl-match-string 1 irt)))
4039          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4040                (string-match regexp ref))
4041           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4042           (while (string-match regexp ref)
4043             (setq ref-list
4044                   (append (list
4045                            (wl-match-string 1 ref))
4046                           ref-list))
4047             (setq ref (substring ref (match-end 0)))
4048             (setq i (1+ i)))
4049           (setq msg-id
4050                 (if (null arg) (nth 0 ref-list) ;; previous
4051                   (if (<= arg i) (nth (1- arg) ref-list)
4052                     (nth i ref-list))))))
4053         (set-buffer cur-buf)
4054         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4055       (cond ((and (null msg-id) (null msg-num))
4056              (message "No parent message!")
4057              nil)
4058             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4059              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4060              (message "Searching parent message...done")
4061              t)
4062             ((and msg-num (wl-summary-jump-to-msg msg-num))
4063              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4064              (message "Searching parent message...done")
4065              t)
4066             (t ; failed.
4067              (message "Parent message was not found.")
4068              nil)))))
4069
4070 (defun wl-summary-reply (&optional arg without-setup-hook)
4071   "Reply to current message. Default is \"wide\" reply.
4072 Reply to author if invoked with ARG."
4073   (interactive "P")
4074   (let ((folder wl-summary-buffer-elmo-folder)
4075         (number (wl-summary-message-number))
4076         (summary-buf (current-buffer))
4077         (winconf (current-window-configuration))
4078         mes-buf)
4079     (when number
4080       (save-excursion
4081         (wl-summary-set-message-buffer-or-redisplay))
4082       (setq mes-buf wl-message-buffer)
4083       (wl-message-select-buffer wl-message-buffer)
4084       (set-buffer mes-buf)
4085       (condition-case err
4086           (when (setq mes-buf (wl-message-get-original-buffer))
4087             (wl-draft-reply mes-buf arg summary-buf number)
4088             (wl-draft-reply-position wl-draft-reply-default-position)
4089             (unless without-setup-hook
4090               (run-hooks 'wl-mail-setup-hook)))
4091         (error (set-window-configuration winconf)
4092                (signal (car err)(cdr err))))
4093       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4094       t)))
4095
4096 (defun wl-summary-write ()
4097   "Write a new draft from Summary."
4098   (interactive)
4099   (wl-draft (list (cons 'To ""))
4100             nil nil nil nil (wl-summary-buffer-folder-name))
4101   (run-hooks 'wl-mail-setup-hook)
4102   (mail-position-on-field "To"))
4103
4104 (defvar wl-summary-write-current-folder-functions
4105   '(wl-folder-get-newsgroups
4106     wl-folder-guess-mailing-list-by-refile-rule
4107     wl-folder-guess-mailing-list-by-folder-name)
4108   "Newsgroups or Mailing List address guess functions list.
4109 Call from `wl-summary-write-current-folder'.
4110 When guess function return nil, challenge next guess-function.")
4111
4112 (defun wl-summary-write-current-folder (&optional folder)
4113   "Write message to current FOLDER's newsgroup or mailing-list.
4114 Use function list is `wl-summary-write-current-folder-functions'."
4115   (interactive)
4116   ;; default FOLDER is current buffer folder
4117   (setq folder (or folder (wl-summary-buffer-folder-name)))
4118   (let ((func-list wl-summary-write-current-folder-functions)
4119         guess-list guess-func)
4120     (while func-list
4121       (setq guess-list (funcall (car func-list) folder))
4122       (if (null guess-list)
4123           (setq func-list (cdr func-list))
4124         (setq guess-func (car func-list))
4125         (setq func-list nil)))
4126     (if (null guess-func)
4127         (wl-summary-write)
4128       (unless (or (stringp (nth 0 guess-list))
4129                   (stringp (nth 1 guess-list))
4130                   (stringp (nth 2 guess-list)))
4131         (error "Invalid value return guess function `%s'"
4132                (symbol-name guess-func)))
4133       (wl-draft (list (cons 'To (nth 0 guess-list))
4134                       (cons 'Cc (nth 1 guess-list))
4135                       (cons 'Newsgroups (nth 2 guess-list)))
4136                 nil nil nil nil folder)
4137       (run-hooks 'wl-mail-setup-hook)
4138       (mail-position-on-field "Subject"))))
4139
4140 (defun wl-summary-forward (&optional without-setup-hook)
4141   ""
4142   (interactive)
4143   (let ((folder wl-summary-buffer-elmo-folder)
4144         (number (wl-summary-message-number))
4145         (summary-buf (current-buffer))
4146         (wl-draft-forward t)
4147         mes-buf
4148         entity subject num)
4149     (if (null number)
4150         (message "No message.")
4151       (if (and (elmo-message-use-cache-p folder number)
4152                (eq (elmo-file-cache-status
4153                     (elmo-file-cache-get
4154                      (elmo-message-field folder number 'message-id)))
4155                    'section))
4156           ;; Reload.
4157           (wl-summary-redisplay-internal nil nil 'force-reload)
4158         (wl-summary-redisplay-internal folder number))
4159       (setq mes-buf wl-message-buffer)
4160       (wl-message-select-buffer mes-buf)
4161       ;; get original subject.
4162       (if summary-buf
4163           (save-excursion
4164             (set-buffer summary-buf)
4165             (setq subject
4166                   (or (elmo-message-entity-field
4167                        (elmo-message-entity folder number) 'subject 'decode)
4168                       ""))))
4169       (set-buffer mes-buf)
4170       (wl-draft-forward subject summary-buf number)
4171       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4172       (unless without-setup-hook
4173         (run-hooks 'wl-mail-setup-hook)))))
4174
4175 (defun wl-summary-click (e)
4176   (interactive "e")
4177   (mouse-set-point e)
4178   (wl-summary-read))
4179
4180 (defun wl-summary-read ()
4181   "Proceed reading message in the summary buffer."
4182   (interactive)
4183   (let ((cur-buf (current-buffer)))
4184     (wl-summary-toggle-disp-msg 'on)
4185     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4186       (set-buffer cur-buf)
4187       (if (wl-message-next-page)
4188           (wl-summary-down t)))))
4189
4190 (defsubst wl-summary-cursor-move-surface (downward interactive)
4191   (if wl-summary-move-direction-toggle
4192       (setq wl-summary-move-direction-downward downward))
4193   (let ((start (point))
4194         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4195         (skip t)
4196         (column (current-column))
4197         goto-next next-entity finfo)
4198     (beginning-of-line)
4199     (while (and skip
4200                 (not (if downward (eobp) (bobp))))
4201       (if downward
4202           (forward-line 1)
4203         (forward-line -1))
4204       (setq skip (or (string-match skip-tmark-regexp
4205                                    (wl-summary-temp-mark))
4206                      (not (and (wl-summary-message-number)
4207                                (elmo-message-accessible-p
4208                                 wl-summary-buffer-elmo-folder
4209                                 (wl-summary-message-number)))))))
4210     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4211     (if (or (eobp) (and (bobp) skip))
4212         (goto-char start))
4213     (move-to-column column)
4214
4215     (if (not goto-next)
4216         (if wl-summary-buffer-disp-msg
4217             (wl-summary-redisplay))
4218       (if interactive
4219           (cond
4220            ((and (not downward) wl-summary-buffer-prev-folder-function)
4221             (funcall wl-summary-buffer-prev-folder-function))
4222            ((and downward wl-summary-buffer-next-folder-function)
4223             (funcall wl-summary-buffer-next-folder-function))
4224            (t
4225             (when wl-auto-select-next
4226               (setq next-entity
4227                     (if downward
4228                         (wl-summary-get-next-folder)
4229                       (wl-summary-get-prev-folder)))
4230               (if next-entity
4231                   (setq finfo (wl-folder-get-entity-info next-entity))))
4232             (wl-ask-folder
4233              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4234              (format
4235               "No more messages. Type SPC to go to %s."
4236               (wl-summary-entity-info-msg next-entity finfo)))))))))
4237
4238 (defun wl-summary-prev (&optional interactive)
4239   (interactive)
4240   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4241
4242 (defun wl-summary-next (&optional interactive)
4243   (interactive)
4244   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4245
4246 (defun wl-summary-up (&optional interactive skip-no-unread)
4247   ""
4248   (interactive)
4249   (if wl-summary-move-direction-toggle
4250       (setq wl-summary-move-direction-downward nil))
4251   (if (wl-summary-cursor-up)
4252       (if wl-summary-buffer-disp-msg
4253           (wl-summary-redisplay))
4254     (if (or interactive
4255             (interactive-p))
4256         (if wl-summary-buffer-prev-folder-function
4257             (funcall wl-summary-buffer-prev-folder-function)
4258           (let (next-entity finfo)
4259             (when wl-auto-select-next
4260               (progn
4261                 (setq next-entity (wl-summary-get-prev-unread-folder))
4262                 (if next-entity
4263                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4264             (if (and skip-no-unread
4265                      (eq wl-auto-select-next 'skip-no-unread))
4266                 (wl-summary-next-folder-or-exit next-entity t)
4267               (wl-ask-folder
4268                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4269                (format
4270                 "No more unread messages. Type SPC to go to %s."
4271                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4272
4273 (defun wl-summary-get-prev-folder ()
4274   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4275         last-entity cur-id)
4276     (when folder-buf
4277       (setq cur-id (save-excursion (set-buffer folder-buf)
4278                                    wl-folder-buffer-cur-entity-id))
4279       (wl-folder-get-prev-folder cur-id))))
4280
4281 (defun wl-summary-get-next-folder ()
4282   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4283         cur-id)
4284     (when folder-buf
4285       (setq cur-id (save-excursion (set-buffer folder-buf)
4286                                    wl-folder-buffer-cur-entity-id))
4287       (wl-folder-get-next-folder cur-id))))
4288
4289 (defun wl-summary-get-next-unread-folder ()
4290   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4291         cur-id)
4292     (when folder-buf
4293       (setq cur-id (save-excursion (set-buffer folder-buf)
4294                                    wl-folder-buffer-cur-entity-id))
4295       (wl-folder-get-next-folder cur-id 'unread))))
4296
4297 (defun wl-summary-get-prev-unread-folder ()
4298   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4299         cur-id)
4300     (when folder-buf
4301       (setq cur-id (save-excursion (set-buffer folder-buf)
4302                                    wl-folder-buffer-cur-entity-id))
4303       (wl-folder-get-prev-folder cur-id 'unread))))
4304
4305 (defun wl-summary-down (&optional interactive skip-no-unread)
4306   (interactive)
4307   (if wl-summary-move-direction-toggle
4308       (setq wl-summary-move-direction-downward t))
4309   (if (wl-summary-cursor-down)
4310       (if wl-summary-buffer-disp-msg
4311           (wl-summary-redisplay))
4312     (if (or interactive
4313             (interactive-p))
4314         (if wl-summary-buffer-next-folder-function
4315             (funcall wl-summary-buffer-next-folder-function)
4316           (let (next-entity finfo)
4317             (when wl-auto-select-next
4318               (setq next-entity (wl-summary-get-next-unread-folder)))
4319             (if next-entity
4320                 (setq finfo (wl-folder-get-entity-info next-entity)))
4321             (if (and skip-no-unread
4322                      (eq wl-auto-select-next 'skip-no-unread))
4323                 (wl-summary-next-folder-or-exit next-entity)
4324               (wl-ask-folder
4325                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4326                (format
4327                 "No more unread messages. Type SPC to go to %s."
4328                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4329
4330 (defun wl-summary-goto-last-displayed-msg ()
4331   (interactive)
4332   (unless wl-summary-buffer-last-displayed-msg
4333     (setq wl-summary-buffer-last-displayed-msg
4334           wl-summary-buffer-current-msg))
4335   (if wl-summary-buffer-last-displayed-msg
4336       (progn
4337         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4338         (if wl-summary-buffer-disp-msg
4339             (wl-summary-redisplay)))
4340     (message "No last message.")))
4341
4342 (defun wl-summary-toggle-mime ()
4343   "Toggle MIME decoding."
4344   (interactive)
4345   (setq wl-summary-buffer-display-as-is
4346         (not wl-summary-buffer-display-as-is))
4347   (wl-summary-redisplay)
4348   (wl-summary-update-modeline)
4349   (message "MIME decoding: %s"
4350            (if wl-summary-buffer-display-as-is "OFF" "ON")))
4351
4352 (defun wl-summary-redisplay (&optional arg)
4353   "Redisplay message."
4354   (interactive "P")
4355   (wl-summary-redisplay-internal nil nil arg
4356                                  wl-summary-buffer-display-as-is))
4357
4358 (defun wl-summary-redisplay-all-header (&optional arg)
4359   "Redisplay message with all header."
4360   (interactive "P")
4361   (wl-summary-redisplay-internal nil nil arg
4362                                  wl-summary-buffer-display-as-is 'all-header))
4363
4364 (defun wl-summary-redisplay-no-mime (&optional ask-coding)
4365   "Display message without MIME decoding.
4366 If ASK-CODING is non-nil, coding-system for the message is asked."
4367   (interactive "P")
4368   (let ((elmo-mime-display-as-is-coding-system
4369          (if ask-coding
4370              (or (read-coding-system "Coding system: ")
4371                  elmo-mime-display-as-is-coding-system)
4372            elmo-mime-display-as-is-coding-system)))
4373     (wl-summary-redisplay-internal nil nil nil t 'all-header)))
4374
4375 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4376                                                 as-is all-header)
4377   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4378          (num (or number (wl-summary-message-number)))
4379          (wl-mime-charset      wl-summary-buffer-mime-charset)
4380          (default-mime-charset wl-summary-buffer-mime-charset)
4381          no-folder-mark fld-buf fld-win thr-entity
4382          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4383                                          (and force-reload
4384                                               elmo-message-fetch-threshold))))
4385     (if (and wl-thread-open-reading-thread
4386              (eq wl-summary-buffer-view 'thread)
4387              (not (wl-thread-entity-get-opened
4388                    (setq thr-entity (wl-thread-get-entity
4389                                      num))))
4390              (wl-thread-entity-get-children thr-entity))
4391         (wl-thread-force-open))
4392     (if num
4393         (progn
4394           (setq wl-summary-buffer-disp-msg t)
4395           (setq wl-summary-buffer-last-displayed-msg
4396                 wl-summary-buffer-current-msg)
4397           ;; hide folder window
4398           (if (and (not wl-stay-folder-window)
4399                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4400               (if (setq fld-win (get-buffer-window fld-buf))
4401                   (delete-window fld-win)))
4402           (setq wl-current-summary-buffer (current-buffer))
4403           (setq no-folder-mark
4404                 ;; If cache is used, change folder-mark.
4405                 (if (wl-message-redisplay folder num
4406                                           as-is all-header
4407                                           (or
4408                                            force-reload
4409                                            (string= (elmo-folder-name-internal
4410                                                      folder)
4411                                                     wl-draft-folder)))
4412                     nil
4413                   ;; plugged, then leave folder-mark.
4414                   (if (and (not (elmo-folder-local-p
4415                                  wl-summary-buffer-elmo-folder))
4416                            (elmo-folder-plugged-p
4417                             wl-summary-buffer-elmo-folder))
4418                       'leave)))
4419           (when (elmo-message-use-cache-p folder num)
4420             (elmo-message-set-cached folder num t))
4421           (ignore-errors
4422             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4423                                         num
4424                                         'unread)
4425                 (wl-summary-mark-as-read num no-folder-mark)
4426               (wl-summary-update-persistent-mark)))
4427           (setq wl-summary-buffer-current-msg num)
4428           (when wl-summary-recenter
4429             (recenter (/ (- (window-height) 2) 2))
4430             (if (not wl-summary-indent-length-limit)
4431                 (wl-horizontal-recenter)))
4432           (wl-highlight-summary-displaying)
4433           (wl-message-buffer-prefetch-next folder num
4434                                            wl-message-buffer-prefetch-depth
4435                                            (current-buffer)
4436                                            wl-summary-buffer-mime-charset)
4437           (run-hooks 'wl-summary-redisplay-hook))
4438       (message "No message to display."))))
4439
4440 (defun wl-summary-jump-to-current-message ()
4441   "Jump into Message buffer."
4442   (interactive)
4443   (let (message-buf message-win)
4444     (if (setq message-buf wl-message-buffer)
4445         (if (setq message-win (get-buffer-window message-buf))
4446             (select-window message-win)
4447           (wl-message-select-buffer wl-message-buffer))
4448       (wl-summary-redisplay)
4449       (wl-message-select-buffer wl-message-buffer))))
4450
4451 (defun wl-summary-cancel-message ()
4452   "Cancel an article on news."
4453   (interactive)
4454   (if (null (wl-summary-message-number))
4455       (message "No message.")
4456     (let ((summary-buf (current-buffer))
4457           message-buf)
4458       (wl-summary-set-message-buffer-or-redisplay)
4459       (if (setq message-buf (wl-message-get-original-buffer))
4460           (set-buffer message-buf))
4461       (unless (wl-message-news-p)
4462         (set-buffer summary-buf)
4463         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4464                      'nntp)
4465                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4466             (progn
4467               (wl-summary-redisplay t)
4468               (wl-summary-supersedes-message))
4469           (error "This is not a news article; supersedes is impossible")))
4470       (when (yes-or-no-p "Do you really want to cancel this article? ")
4471         (let (from newsgroups message-id distribution buf)
4472           (save-excursion
4473             (setq from (std11-field-body "from")
4474                   newsgroups (std11-field-body "newsgroups")
4475                   message-id (std11-field-body "message-id")
4476                   distribution (std11-field-body "distribution"))
4477             ;; Make sure that this article was written by the user.
4478             (unless (wl-address-user-mail-address-p
4479                      (wl-address-header-extract-address
4480                       (car (wl-parse-addresses from))))
4481               (error "This article is not yours"))
4482             ;; Make control message.
4483             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4484             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4485             (buffer-disable-undo (current-buffer))
4486             (erase-buffer)
4487             (insert "Newsgroups: " newsgroups "\n"
4488                     "From: " (wl-address-header-extract-address
4489                               wl-from) "\n"
4490                               "Subject: cmsg cancel " message-id "\n"
4491                               "Control: cancel " message-id "\n"
4492                               (if distribution
4493                                   (concat "Distribution: " distribution "\n")
4494                                 "")
4495                               mail-header-separator "\n"
4496                               wl-summary-cancel-message)
4497             (message "Canceling your message...")
4498             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4499             (message "Canceling your message...done")))))))
4500
4501 (defun wl-summary-supersedes-message ()
4502   "Supersede current message."
4503   (interactive)
4504   (wl-summary-toggle-disp-msg 'off)
4505   (let ((summary-buf (current-buffer))
4506         message-buf from)
4507     (wl-summary-set-message-buffer-or-redisplay)
4508     (if (setq message-buf (wl-message-get-original-buffer))
4509         (set-buffer message-buf))
4510     (unless (wl-message-news-p)
4511       (set-buffer summary-buf)
4512       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4513                    'nntp)
4514                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4515           (progn
4516             (wl-summary-redisplay t)
4517             (wl-summary-supersedes-message))
4518         (error "This is not a news article; supersedes is impossible")))
4519     (save-excursion
4520       (setq from (std11-field-body "from"))
4521       ;; Make sure that this article was written by the user.
4522       (unless (wl-address-user-mail-address-p
4523                (wl-address-header-extract-address
4524                 (car (wl-parse-addresses from))))
4525         (error "This article is not yours"))
4526       (let* ((message-id (std11-field-body "message-id"))
4527              (followup-to (std11-field-body "followup-to"))
4528              (mail-default-headers
4529               (concat mail-default-headers
4530                       "Supersedes: " message-id "\n"
4531                       (and followup-to
4532                            (concat "Followup-To: " followup-to "\n")))))
4533         (if message-buf (set-buffer message-buf))
4534         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4535
4536 (defun wl-summary-save (&optional arg wl-save-dir)
4537   "Save current message to disk."
4538   (interactive)
4539   (let ((filename)
4540         (num (wl-summary-message-number)))
4541     (if (null wl-save-dir)
4542         (setq wl-save-dir wl-temporary-file-directory))
4543     (if num
4544         (save-excursion
4545           (setq filename (expand-file-name
4546                           (concat (int-to-string num)
4547                                   wl-summary-save-file-suffix)
4548                           wl-save-dir))
4549           (if (null (and arg
4550                          (null (file-exists-p filename))))
4551               (setq filename
4552                     (read-file-name "Save to file: " filename)))
4553
4554           (wl-summary-set-message-buffer-or-redisplay)
4555           (set-buffer (wl-message-get-original-buffer))
4556           (if (and (null arg) (file-exists-p filename))
4557               (if (y-or-n-p "File already exists.  override it? ")
4558                   (write-region (point-min) (point-max) filename))
4559             (write-region (point-min) (point-max) filename)))
4560       (message "No message to save."))
4561     num))
4562
4563 (defun wl-summary-save-region (beg end)
4564   (interactive "r")
4565   (save-excursion
4566     (save-restriction
4567       (wl-summary-narrow-to-region beg end)
4568       (goto-char (point-min))
4569       (let ((wl-save-dir
4570              (wl-read-directory-name "Save to directory: "
4571                                      wl-temporary-file-directory)))
4572         (if (null (file-exists-p wl-save-dir))
4573             (make-directory wl-save-dir))
4574         (if (eq wl-summary-buffer-view 'thread)
4575             (progn
4576               (while (not (eobp))
4577                 (let* ((number (wl-summary-message-number))
4578                        (entity (wl-thread-get-entity number)))
4579                   (if (wl-thread-entity-get-opened entity)
4580                       (wl-summary-save t wl-save-dir)
4581                     ;; closed
4582                     (wl-summary-save t wl-save-dir))
4583                   (forward-line 1))))
4584           (while (not (eobp))
4585             (wl-summary-save t wl-save-dir)
4586             (forward-line 1)))))))
4587
4588 ;; mew-summary-pipe-message()
4589 (defun wl-summary-pipe-message (prefix command)
4590   "Send this message via pipe."
4591   (interactive (list current-prefix-arg nil))
4592   (if (null (wl-summary-message-number))
4593       (message "No message.")
4594     (setq command (read-string "Shell command on message: "
4595                                wl-summary-shell-command-last))
4596     (if (y-or-n-p "Send this message to pipe? ")
4597         (wl-summary-pipe-message-subr prefix command))))
4598
4599 (defun wl-summary-target-mark-pipe (prefix command)
4600   "Send each marked messages via pipe."
4601   (interactive (list current-prefix-arg nil))
4602   (if (null wl-summary-buffer-target-mark-list)
4603       (message "No marked message.")
4604     (setq command (read-string "Shell command on each marked message: "
4605                                wl-summary-shell-command-last))
4606     (when (y-or-n-p "Send each marked message to pipe? ")
4607       (while (car wl-summary-buffer-target-mark-list)
4608         (let ((num (car wl-summary-buffer-target-mark-list)))
4609           (wl-thread-jump-to-msg num)
4610           (wl-summary-pipe-message-subr prefix command)
4611           (wl-summary-unmark))))))
4612
4613 (defun wl-summary-pipe-message-subr (prefix command)
4614   (save-excursion
4615     (wl-summary-set-message-buffer-or-redisplay)
4616     (set-buffer (wl-message-get-original-buffer))
4617     (if (string= command "")
4618         (setq command wl-summary-shell-command-last))
4619     (goto-char (point-min)) ; perhaps this line won't be necessary
4620     (if prefix
4621         (search-forward "\n\n"))
4622     (shell-command-on-region (point) (point-max) command nil)
4623     (setq wl-summary-shell-command-last command)))
4624
4625 (defun wl-summary-print-message (&optional arg)
4626   (interactive "P")
4627   (if (null (wl-summary-message-number))
4628       (message "No message.")
4629     (save-excursion
4630       (wl-summary-set-message-buffer-or-redisplay)
4631       (if (or (not (interactive-p))
4632               (y-or-n-p "Print ok? "))
4633           (progn
4634             (let ((buffer (generate-new-buffer " *print*")))
4635               (copy-to-buffer buffer (point-min) (point-max))
4636               (set-buffer buffer)
4637               (funcall wl-print-buffer-function)
4638               (kill-buffer buffer)))
4639         (message "")))))
4640
4641 (defun wl-summary-print-message-with-ps-print (&optional filename)
4642   "Print message via ps-print."
4643   (interactive)
4644   (if (null (wl-summary-message-number))
4645       (message "No message.")
4646     (setq filename (ps-print-preprint current-prefix-arg))
4647     (if (or (not (interactive-p))
4648             (y-or-n-p "Print ok? "))
4649         (let ((summary-buffer (current-buffer))
4650               wl-break-pages)
4651           (save-excursion
4652             (wl-summary-set-message-buffer-or-redisplay)
4653             ;; (wl-summary-redisplay-internal)
4654             (let* ((buffer (generate-new-buffer " *print*"))
4655                    (entity (progn
4656                              (set-buffer summary-buffer)
4657                              (elmo-message-entity
4658                               wl-summary-buffer-elmo-folder
4659                               (wl-summary-message-number))))
4660                    (wl-ps-subject
4661                     (and entity
4662                          (or (elmo-message-entity-field entity 'subject t)
4663                              "")))
4664                    (wl-ps-from
4665                     (and entity
4666                          (or (elmo-message-entity-field entity 'from t) "")))
4667                    (wl-ps-date
4668                     (and entity
4669                          (or (elmo-message-entity-field entity 'date) ""))))
4670               (run-hooks 'wl-ps-preprint-hook)
4671               (set-buffer wl-message-buffer)
4672               (copy-to-buffer buffer (point-min) (point-max))
4673               (set-buffer buffer)
4674               (unwind-protect
4675                   (let ((ps-left-header
4676                          (list (concat "(" wl-ps-subject ")")
4677                                (concat "(" wl-ps-from ")")))
4678                         (ps-right-header
4679                          (list "/pagenumberstring load"
4680                                (concat "(" wl-ps-date ")"))))
4681                     (run-hooks 'wl-ps-print-hook)
4682                     (funcall wl-ps-print-buffer-function filename))
4683                 (kill-buffer buffer)))))
4684       (message ""))))
4685
4686 (if (featurep 'ps-print) ; ps-print is available.
4687     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4688
4689 (defun wl-summary-target-mark-print ()
4690   (interactive)
4691   (if (null wl-summary-buffer-target-mark-list)
4692       (message "No marked message.")
4693     (when (y-or-n-p "Print all marked messages. OK? ")
4694       (while (car wl-summary-buffer-target-mark-list)
4695         (let ((num (car wl-summary-buffer-target-mark-list)))
4696           (wl-thread-jump-to-msg num)
4697           (wl-summary-print-message)
4698           (wl-summary-unmark))))))
4699
4700 (defun wl-summary-folder-info-update ()
4701   (wl-folder-set-folder-updated
4702    (elmo-string (wl-summary-buffer-folder-name))
4703    (list 0
4704          wl-summary-buffer-unread-count
4705          (elmo-folder-length
4706           wl-summary-buffer-elmo-folder))))
4707
4708 (defun wl-summary-get-original-buffer ()
4709   "Get original buffer for the current summary."
4710   (save-excursion
4711     (wl-summary-set-message-buffer-or-redisplay)
4712     (wl-message-get-original-buffer)))
4713
4714 (defun wl-summary-pack-number (&optional arg)
4715   (interactive "P")
4716   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4717   (let (wl-use-scoring)
4718     (wl-summary-rescan nil nil nil t)))
4719
4720 (defun wl-summary-target-mark-uudecode ()
4721   (interactive)
4722   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4723         (summary-buf (current-buffer))
4724         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4725         orig-buf i k filename rc errmsg)
4726     (setq i 1)
4727     (setq k (length mlist))
4728     (set-buffer tmp-buf)
4729     (erase-buffer)
4730     (save-window-excursion
4731       (while mlist
4732         (set-buffer summary-buf)
4733         (wl-summary-jump-to-msg (car mlist))
4734         (wl-summary-redisplay)
4735         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4736         (goto-char (point-min))
4737         (cond ((= i 1) ; first
4738                (if (setq filename (wl-message-uu-substring
4739                                    orig-buf tmp-buf t
4740                                    (= i k)))
4741                    nil
4742                  (error "Can't find begin line")))
4743               ((< i k)
4744                (wl-message-uu-substring orig-buf tmp-buf))
4745               (t ; last
4746                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4747         (setq i (1+ i))
4748         (setq mlist (cdr mlist)))
4749       (set-buffer tmp-buf)
4750       (message "Exec %s..." wl-prog-uudecode)
4751       (unwind-protect
4752           (let ((decode-dir wl-temporary-file-directory))
4753             (if (not wl-prog-uudecode-no-stdout-option)
4754                 (setq filename (read-file-name "Save to file: "
4755                                                (expand-file-name
4756                                                 (elmo-safe-filename filename)
4757                                                 wl-temporary-file-directory)))
4758               (setq decode-dir
4759                     (wl-read-directory-name "Save to directory: "
4760                                             wl-temporary-file-directory))
4761               (setq filename (expand-file-name filename decode-dir)))
4762             (if (file-exists-p filename)
4763                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4764                                          filename))
4765                     (error "")))
4766             (elmo-bind-directory
4767              decode-dir
4768              (setq rc
4769                    (as-binary-process
4770                     (apply 'call-process-region (point-min) (point-max)
4771                            wl-prog-uudecode t (current-buffer) nil
4772                            wl-prog-uudecode-arg))))
4773             (when (not (= 0 rc))
4774               (setq errmsg (buffer-substring (point-min)(point-max)))
4775               (error "Uudecode error: %s" errmsg))
4776             (if (not wl-prog-uudecode-no-stdout-option)
4777                 (let (file-name-handler-alist) ;; void jka-compr
4778                   (as-binary-output-file
4779                    (write-region (point-min) (point-max)
4780                                  filename nil 'no-msg))))
4781             (save-excursion
4782               (set-buffer summary-buf)
4783               (wl-summary-delete-all-target-marks))
4784             (if (file-exists-p filename)
4785                 (message "Saved as %s" filename)))
4786         (kill-buffer tmp-buf)))))
4787
4788 ;; Someday
4789 ;; (defun wl-summary-drop-unsync ()
4790 ;;   "Drop all unsync messages."
4791 ;;   (interactive)
4792 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4793 ;;       (error "You cannot drop unsync messages in this folder"))
4794 ;;   (if (or (not (interactive-p))
4795 ;;        (y-or-n-p "Drop all unsync messages? "))
4796 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4797 ;;                         (wl-summary-buffer-folder-name)))
4798 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4799 ;;           (sum 0)
4800 ;;           (multi-num 0)
4801 ;;           pair)
4802 ;;      (message "Dropping...")
4803 ;;      (while folder-list
4804 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4805 ;;        (when is-multi ;; dirty hack...
4806 ;;          (incf multi-num)
4807 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4808 ;;                          (car pair))))
4809 ;;        (elmo-msgdb-set-number-alist
4810 ;;         (wl-summary-buffer-msgdb)
4811 ;;         (nconc
4812 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
4813 ;;          (list (cons (car pair) nil))))
4814 ;;        (setq sum (+ sum (cdr pair)))
4815 ;;        (setq folder-list (cdr folder-list)))
4816 ;;      (wl-summary-set-message-modified)
4817 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
4818 ;;                                    (list 0
4819 ;;                                          (+ wl-summary-buffer-unread-count
4820 ;;                                             wl-summary-buffer-new-count)
4821 ;;                                          sum))
4822 ;;      (message "Dropping...done"))))
4823
4824 (defun wl-summary-default-get-next-msg (msg)
4825   (or (wl-summary-next-message msg
4826                                (if wl-summary-move-direction-downward 'down
4827                                  'up)
4828                                nil)
4829       (cadr (memq msg (if wl-summary-move-direction-downward
4830                           wl-summary-buffer-number-list
4831                         (reverse wl-summary-buffer-number-list))))))
4832
4833 (defun wl-summary-save-current-message ()
4834   "Save current message for `wl-summary-yank-saved-message'."
4835   (interactive)
4836   (let ((number (wl-summary-message-number)))
4837     (setq wl-summary-buffer-saved-message number)
4838     (and number (message "No: %s is saved." number))))
4839
4840 (defun wl-summary-yank-saved-message ()
4841   "Set current message as a parent of the saved message."
4842   (interactive)
4843   (if wl-summary-buffer-saved-message
4844       (let ((number (wl-summary-message-number)))
4845         (if (eq wl-summary-buffer-saved-message number)
4846             (message "Cannot set itself as a parent.")
4847           (save-excursion
4848             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
4849             (wl-thread-set-parent number)
4850             (wl-summary-set-thread-modified))
4851           (setq  wl-summary-buffer-saved-message nil)))
4852     (message "There's no saved message.")))
4853
4854 (defun wl-summary-toggle-header-narrowing ()
4855   "Toggle message header narrowing."
4856   (interactive)
4857   (when wl-message-use-header-narrowing
4858     (save-selected-window
4859       (let* ((mbuf wl-message-buffer)
4860              (mwin (when mbuf (get-buffer-window mbuf)))
4861              (wpos (when mwin (window-start mwin))))
4862         (when mbuf
4863           (set-buffer mbuf)
4864           (wl-message-header-narrowing-toggle)
4865           (and wpos (set-window-start mwin wpos)))))))
4866
4867 (require 'product)
4868 (product-provide (provide 'wl-summary) (require 'wl-version))
4869
4870 ;;; wl-summary.el ends here