wl/wl-summary.el

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