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