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-persistent-mark-version 0)
  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-header-mode 'partial)
 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-persistent-mark-version)
 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-header-mode)
 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               ((setq tos (elmo-message-entity-field wl-message-entity 'to))
 223                (setq retval
 224                      (concat "To:"
 225                              (mapconcat
 226                               (lambda (to)
 227                                 (if wl-use-petname
 228                                     (or
 229                                      (funcall
 230                                       wl-summary-get-petname-function to)
 231                                      (car
 232                                       (std11-extract-address-components to))
 233                                      to)
 234                                   to))
 235                               tos
 236                               ","))))
 237               ((setq ng (elmo-message-entity-field
 238                          wl-message-entity 'newsgroups))
 239                (setq retval (concat "Ng:" ng)))))
 240       (if wl-use-petname
 241           (setq retval (or (funcall wl-summary-get-petname-function from)
 242                            (car (std11-extract-address-components from))
 243                            from))
 244         (setq retval from)))
 245     retval))
 246
 247 (defun wl-summary-simple-from (string)
 248   (if wl-use-petname
 249       (or (funcall wl-summary-get-petname-function string)
 250           (car (std11-extract-address-components string))
 251           string)
 252     string))
 253
 254 (defvar wl-summary-sort-specs '(number date subject from list-info size))
 255 (defvar wl-summary-default-sort-spec 'date)
 256
 257 (defvar wl-summary-mode-menu-spec
 258   '("Summary"
 259     ["Read" wl-summary-read t]
 260     ["Prev page" wl-summary-prev-page t]
 261     ["Next page" wl-summary-next-page t]
 262     ["Top"       wl-summary-display-top t]
 263     ["Bottom"    wl-summary-display-bottom t]
 264     ["Prev"      wl-summary-prev t]
 265     ["Next"      wl-summary-next t]
 266     ["Up"        wl-summary-up t]
 267     ["Down"      wl-summary-down t]
 268     ["Parent message" wl-summary-jump-to-parent-message t]
 269     "----"
 270     ["Sync"            wl-summary-sync t]
 271     ["Execute"         wl-summary-exec t]
 272     ["Go to other folder" wl-summary-goto-folder t]
 273     ["Pick" wl-summary-pick t]
 274     ["Mark as read all" wl-summary-mark-as-read-all t]
 275     ["Unmark all"      wl-summary-unmark-all t]
 276     ["Toggle display message" wl-summary-toggle-disp-msg t]
 277     ["Display folder" wl-summary-toggle-disp-folder t]
 278     ["Toggle threading" wl-summary-toggle-thread t]
 279     ["Stick" wl-summary-stick t]
 280     ("Sort"
 281      ["By Number" wl-summary-sort-by-number t]
 282      ["By Size" wl-summary-sort-by-size t]
 283      ["By Date" wl-summary-sort-by-date t]
 284      ["By From" wl-summary-sort-by-from t]
 285      ["By Subject" wl-summary-sort-by-subject t]
 286      ["By List Info" wl-summary-sort-by-list-info t])
 287     "----"
 288     ("Message Operation"
 289      ["Mark as read"    wl-summary-mark-as-read t]
 290      ["Set flags"       wl-summary-set-flags t]
 291      ["Mark as unread"   wl-summary-mark-as-unread t]
 292      ["Mark as answered" wl-summary-mark-as-answered t]
 293      ["Set dispose mark" wl-summary-dispose t]
 294      ["Set refile mark" wl-summary-refile t]
 295      ["Set copy mark"   wl-summary-copy t]
 296      ["Set resend mark" wl-summary-resend t]
 297      ["Prefetch"        wl-summary-prefetch t]
 298      ["Set target mark" wl-summary-target-mark t]
 299      ["Unmark"          wl-summary-unmark t]
 300      ["Save"            wl-summary-save t]
 301      ["Cancel posted news" wl-summary-cancel-message t]
 302      ["Supersedes message" wl-summary-supersedes-message t]
 303      ["Resend bounced mail" wl-summary-resend-bounced-mail t]
 304      ["Enter the message" wl-summary-jump-to-current-message t]
 305      ["Pipe message" wl-summary-pipe-message t]
 306      ["Print message" wl-summary-print-message t])
 307     ("Thread Operation"
 308      ["Open or Close" wl-thread-open-close (eq wl-summary-buffer-view 'thread)]
 309      ["Open all"     wl-thread-open-all (eq wl-summary-buffer-view 'thread)]
 310      ["Close all"    wl-thread-close-all (eq wl-summary-buffer-view 'thread)]
 311      ["Mark as read" wl-thread-mark-as-read (eq wl-summary-buffer-view 'thread)]
 312      ["Set flags"       wl-thread-set-flags (eq wl-summary-buffer-view 'thread)]
 313      ["Mark as unread"          wl-thread-mark-as-unread (eq wl-summary-buffer-view 'thread)]
 314      ["Mark as answered"        wl-thread-mark-as-answered (eq wl-summary-buffer-view 'thread)]
 315      ["Set delete mark"  wl-thread-delete (eq wl-summary-buffer-view 'thread)]
 316      ["Set refile mark"  wl-thread-refile (eq wl-summary-buffer-view 'thread)]
 317      ["Set copy mark"    wl-thread-copy (eq wl-summary-buffer-view 'thread)]
 318      ["Prefetch"     wl-thread-prefetch (eq wl-summary-buffer-view 'thread)]
 319      ["Set target mark"        wl-thread-target-mark (eq wl-summary-buffer-view 'thread)]
 320      ["Unmark"      wl-thread-unmark (eq wl-summary-buffer-view 'thread)]
 321      ["Save"            wl-thread-save (eq wl-summary-buffer-view 'thread)]
 322      ["Execute"      wl-thread-exec (eq wl-summary-buffer-view 'thread)])
 323     ("Region Operation"
 324      ["Mark as read" wl-summary-mark-as-read-region t]
 325      ["Set flags" wl-summary-set-flags-region t]
 326      ["Mark as unread" wl-summary-mark-as-unread-region t]
 327      ["Mark as answered" wl-summary-mark-as-answered-region t]
 328      ["Set dispose mark" wl-summary-dispose-region t]
 329      ["Set refile mark" wl-summary-refile-region t]
 330      ["Set copy mark" wl-summary-copy-region t]
 331      ["Prefetch" wl-summary-prefetch-region t]
 332      ["Set target mark" wl-summary-target-mark-region t]
 333      ["Unmark" wl-summary-unmark-region t]
 334      ["Save" wl-summary-save-region t]
 335      ["Execute" wl-summary-exec-region t])
 336     ("Mark Operation"
 337      ["Mark as read" wl-summary-target-mark-mark-as-read t]
 338      ["Set flags" wl-summary-target-mark-set-flags t]
 339      ["Mark as unread" wl-summary-target-mark-mark-as-unread t]
 340      ["Set delete mark" wl-summary-target-mark-delete t]
 341      ["Set refile mark" wl-summary-target-mark-refile t]
 342      ["Set copy mark" wl-summary-target-mark-copy t]
 343      ["Prefetch" wl-summary-target-mark-prefetch t]
 344      ["Save" wl-summary-target-mark-save t]
 345      ["Reply with citation" wl-summary-target-mark-reply-with-citation t]
 346      ["Forward" wl-summary-target-mark-forward t]
 347      ["uudecode" wl-summary-target-mark-uudecode t])
 348     ("Score Operation"
 349      ["Switch current score file" wl-score-change-score-file t]
 350      ["Edit current score file" wl-score-edit-current-scores t]
 351      ["Edit score file" wl-score-edit-file t]
 352      ["Set mark below" wl-score-set-mark-below t]
 353      ["Set expunge below" wl-score-set-expunge-below t]
 354      ["Rescore buffer" wl-summary-rescore t]
 355      ["Increase score" wl-summary-increase-score t]
 356      ["Lower score" wl-summary-lower-score t])
 357     "----"
 358     ("Writing Messages"
 359      ["Write a message" wl-summary-write t]
 360      ["Write for current folder" wl-summary-write-current-folder t]
 361      ["Reply" wl-summary-reply t]
 362      ["Reply with citation" wl-summary-reply-with-citation t]
 363      ["Forward" wl-summary-forward t])
 364     "----"
 365     ["Toggle Plug Status" wl-toggle-plugged t]
 366     ["Change Plug Status" wl-plugged-change t]
 367     "----"
 368     ["Exit Current Folder" wl-summary-exit t]))
 369
 370 (if wl-on-xemacs
 371     (defun wl-summary-setup-mouse ()
 372       (define-key wl-summary-mode-map 'button4 'wl-summary-prev)
 373       (define-key wl-summary-mode-map 'button5 'wl-summary-next)
 374       (define-key wl-summary-mode-map [(shift button4)]
 375         'wl-summary-up)
 376       (define-key wl-summary-mode-map [(shift button5)]
 377         'wl-summary-down)
 378       (define-key wl-summary-mode-map 'button2 'wl-summary-click))
 379   (defun wl-summary-setup-mouse ()
 380     (define-key wl-summary-mode-map [mouse-4] 'wl-summary-prev)
 381     (define-key wl-summary-mode-map [mouse-5] 'wl-summary-next)
 382     (define-key wl-summary-mode-map [S-mouse-4] 'wl-summary-up)
 383     (define-key wl-summary-mode-map [S-mouse-5] 'wl-summary-down)
 384     ;; For Meadow2
 385     (define-key wl-summary-mode-map [mouse-wheel1]
 386       'wl-summary-wheel-dispatcher)
 387     (define-key wl-summary-mode-map [S-mouse-wheel1]
 388       'wl-summary-wheel-dispatcher)
 389     (define-key wl-summary-mode-map [mouse-2] 'wl-summary-click)))
 390
 391 (if wl-summary-mode-map
 392     ()
 393   (setq wl-summary-mode-map (make-keymap))
 394   (suppress-keymap wl-summary-mode-map)
 395   (substitute-key-definition 'kill-buffer
 396                              'wl-summary-mimic-kill-buffer
 397                              wl-summary-mode-map
 398                              global-map)
 399   ;; basic commands
 400   (define-key wl-summary-mode-map " "    'wl-summary-read)
 401   (define-key wl-summary-mode-map "."    'wl-summary-redisplay)
 402   (define-key wl-summary-mode-map "<"    'wl-summary-display-top)
 403   (define-key wl-summary-mode-map ">"    'wl-summary-display-bottom)
 404   (define-key wl-summary-mode-map "\177" 'wl-summary-prev-page)
 405   (define-key wl-summary-mode-map [backspace] 'wl-summary-prev-page)
 406   (define-key wl-summary-mode-map "\r"   'wl-summary-enter-handler)
 407   (define-key wl-summary-mode-map "\C-m" 'wl-summary-enter-handler)
 408   (define-key wl-summary-mode-map "/"    'wl-thread-open-close)
 409   (define-key wl-summary-mode-map "["    'wl-thread-open-all)
 410   (define-key wl-summary-mode-map "]"    'wl-thread-close-all)
 411   (define-key wl-summary-mode-map "-"    'wl-summary-prev-line-content)
 412   (define-key wl-summary-mode-map "\e\r" 'wl-summary-prev-line-content)
 413   (define-key wl-summary-mode-map "g"    'wl-summary-goto-folder)
 414   (define-key wl-summary-mode-map "G"    'wl-summary-goto-folder-sticky)
 415   (define-key wl-summary-mode-map "c"    'wl-summary-mark-as-read-all)
 416
 417   (define-key wl-summary-mode-map "a"    'wl-summary-reply)
 418   (define-key wl-summary-mode-map "A"    'wl-summary-reply-with-citation)
 419   (define-key wl-summary-mode-map "C"    'wl-summary-cancel-message)
 420   (define-key wl-summary-mode-map "E"    'wl-summary-reedit)
 421   (define-key wl-summary-mode-map "\eE"  'wl-summary-resend-bounced-mail)
 422   (define-key wl-summary-mode-map "f"    'wl-summary-forward)
 423   (define-key wl-summary-mode-map "$"    'wl-summary-mark-as-important)
 424   (define-key wl-summary-mode-map "F"    'wl-summary-set-flags)
 425   (define-key wl-summary-mode-map "\M-k"  'wl-summary-toggle-persistent-mark)
 426   (define-key wl-summary-mode-map "&"    'wl-summary-mark-as-answered)
 427   (define-key wl-summary-mode-map "@"    'wl-summary-edit-addresses)
 428
 429   (define-key wl-summary-mode-map "y"    'wl-summary-save)
 430   (define-key wl-summary-mode-map "n"    'wl-summary-next)
 431   (define-key wl-summary-mode-map "p"    'wl-summary-prev)
 432   (define-key wl-summary-mode-map "N"    'wl-summary-down)
 433   (define-key wl-summary-mode-map "P"    'wl-summary-up)
 434   (define-key wl-summary-mode-map "w"    'wl-summary-write)
 435   (define-key wl-summary-mode-map "W"    'wl-summary-write-current-folder)
 436   (define-key wl-summary-mode-map "e"     'wl-summary-save)
 437   (define-key wl-summary-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 438   (define-key wl-summary-mode-map "\C-c\C-a" 'wl-addrmgr)
 439   (define-key wl-summary-mode-map "\C-c\C-p" 'wl-summary-previous-buffer)
 440   (define-key wl-summary-mode-map "\C-c\C-n" 'wl-summary-next-buffer)
 441   (define-key wl-summary-mode-map "H"    'wl-summary-toggle-all-header)
 442   (define-key wl-summary-mode-map "M"    'wl-summary-toggle-mime)
 443   (define-key wl-summary-mode-map "B"    'wl-summary-burst)
 444   (define-key wl-summary-mode-map "Z"    'wl-status-update)
 445   (define-key wl-summary-mode-map "#"    'wl-summary-print-message)
 446   (define-key wl-summary-mode-map "|"    'wl-summary-pipe-message)
 447   (define-key wl-summary-mode-map "z"    'wl-summary-suspend)
 448   (define-key wl-summary-mode-map "q"    'wl-summary-exit)
 449   (define-key wl-summary-mode-map "Q"    'wl-summary-force-exit)
 450
 451   (define-key wl-summary-mode-map "j"    'wl-summary-jump-to-current-message)
 452   (define-key wl-summary-mode-map "J"    'wl-thread-jump-to-msg)
 453   (define-key wl-summary-mode-map "I"    'wl-summary-incorporate)
 454   (define-key wl-summary-mode-map "\M-j" 'wl-summary-jump-to-msg-by-message-id)
 455   (define-key wl-summary-mode-map "^"    'wl-summary-jump-to-parent-message)
 456   (define-key wl-summary-mode-map "!"    'wl-summary-mark-as-unread)
 457
 458   (define-key wl-summary-mode-map "s"    'wl-summary-sync)
 459   (define-key wl-summary-mode-map "S"    'wl-summary-sort)
 460   (define-key wl-summary-mode-map "\M-s"    'wl-summary-stick)
 461   (define-key wl-summary-mode-map "T"    'wl-summary-toggle-thread)
 462
 463   (define-key wl-summary-mode-map "l"    'wl-summary-toggle-disp-folder)
 464   (define-key wl-summary-mode-map "v"    'wl-summary-toggle-disp-msg)
 465   (define-key wl-summary-mode-map "V"    'wl-summary-virtual)
 466
 467   (define-key wl-summary-mode-map "\C-i"  'wl-summary-goto-last-displayed-msg)
 468   (define-key wl-summary-mode-map "?"    'wl-summary-pick)
 469   (define-key wl-summary-mode-map "\ee"  'wl-summary-expire)
 470
 471   ;; copy & paste.
 472   (define-key wl-summary-mode-map "\ew"  'wl-summary-save-current-message)
 473   (define-key wl-summary-mode-map "\C-y"  'wl-summary-yank-saved-message)
 474
 475   ;; line commands
 476   (define-key wl-summary-mode-map "R"    'wl-summary-mark-as-read)
 477   (define-key wl-summary-mode-map "i"    'wl-summary-prefetch)
 478   (define-key wl-summary-mode-map "x"    'wl-summary-exec)
 479   (define-key wl-summary-mode-map "*"    'wl-summary-target-mark)
 480   (define-key wl-summary-mode-map "o"    'wl-summary-refile)
 481   (define-key wl-summary-mode-map "O"    'wl-summary-copy)
 482   (define-key wl-summary-mode-map "\M-o" 'wl-summary-refile-prev-destination)
 483   (define-key wl-summary-mode-map "\C-o" 'wl-summary-auto-refile)
 484   (define-key wl-summary-mode-map "d"    'wl-summary-dispose)
 485   (define-key wl-summary-mode-map "u"    'wl-summary-unmark)
 486   (define-key wl-summary-mode-map "U"    'wl-summary-unmark-all)
 487   (define-key wl-summary-mode-map "D"    'wl-summary-delete)
 488   (define-key wl-summary-mode-map "~"    'wl-summary-resend)
 489
 490   ;; thread commands
 491   (define-key wl-summary-mode-map "t"   (make-sparse-keymap))
 492   (define-key wl-summary-mode-map "tR" 'wl-thread-mark-as-read)
 493   (define-key wl-summary-mode-map "ti" 'wl-thread-prefetch)
 494   (define-key wl-summary-mode-map "tx" 'wl-thread-exec)
 495   (define-key wl-summary-mode-map "t*" 'wl-thread-target-mark)
 496   (define-key wl-summary-mode-map "to" 'wl-thread-refile)
 497   (define-key wl-summary-mode-map "tO" 'wl-thread-copy)
 498   (define-key wl-summary-mode-map "t\M-o" 'wl-thread-refile-prev-destination)
 499   (define-key wl-summary-mode-map "td" 'wl-thread-dispose)
 500   (define-key wl-summary-mode-map "tD" 'wl-thread-delete)
 501   (define-key wl-summary-mode-map "t~" 'wl-thread-resend)
 502   (define-key wl-summary-mode-map "tu" 'wl-thread-unmark)
 503   (define-key wl-summary-mode-map "t!" 'wl-thread-mark-as-unread)
 504   (define-key wl-summary-mode-map "t$" 'wl-thread-mark-as-important)
 505   (define-key wl-summary-mode-map "tF" 'wl-thread-set-flags)
 506   (define-key wl-summary-mode-map "t&" 'wl-thread-mark-as-answered)
 507   (define-key wl-summary-mode-map "ty" 'wl-thread-save)
 508   (define-key wl-summary-mode-map "ts" 'wl-thread-set-parent)
 509
 510   ;; target-mark commands
 511   (define-key wl-summary-mode-map "m"     (make-sparse-keymap))
 512   (define-key wl-summary-mode-map "mi"   'wl-summary-target-mark-prefetch)
 513   (define-key wl-summary-mode-map "mo"   'wl-summary-target-mark-refile)
 514   (define-key wl-summary-mode-map "mO"   'wl-summary-target-mark-copy)
 515   (define-key wl-summary-mode-map "m\M-o" 'wl-summary-target-mark-refile-prev-destination)
 516   (define-key wl-summary-mode-map "md"   'wl-summary-target-mark-dispose)
 517   (define-key wl-summary-mode-map "mD"   'wl-summary-target-mark-delete)
 518   (define-key wl-summary-mode-map "m~"   'wl-summary-target-mark-resend)
 519
 520   (define-key wl-summary-mode-map "mu"   'wl-summary-delete-all-temp-marks)
 521
 522   (define-key wl-summary-mode-map "my"   'wl-summary-target-mark-save)
 523   (define-key wl-summary-mode-map "mR"   'wl-summary-target-mark-mark-as-read)
 524   (define-key wl-summary-mode-map "m!"   'wl-summary-target-mark-mark-as-unread)
 525   (define-key wl-summary-mode-map "m&"   'wl-summary-target-mark-mark-as-answered)
 526   (define-key wl-summary-mode-map "m$"   'wl-summary-target-mark-mark-as-important)
 527   (define-key wl-summary-mode-map "mF"   'wl-summary-target-mark-set-flags)
 528   (define-key wl-summary-mode-map "mU"   'wl-summary-target-mark-uudecode)
 529   (define-key wl-summary-mode-map "ma"   'wl-summary-target-mark-all)
 530   (define-key wl-summary-mode-map "mt"   'wl-summary-target-mark-thread)
 531   (define-key wl-summary-mode-map "mA"   'wl-summary-target-mark-reply-with-citation)
 532   (define-key wl-summary-mode-map "mf"   'wl-summary-target-mark-forward)
 533   (define-key wl-summary-mode-map "m?"   'wl-summary-target-mark-pick)
 534   (define-key wl-summary-mode-map "m#"   'wl-summary-target-mark-print)
 535   (define-key wl-summary-mode-map "m|"   'wl-summary-target-mark-pipe)
 536
 537   ;; region commands
 538   (define-key wl-summary-mode-map "r"    (make-sparse-keymap))
 539   (define-key wl-summary-mode-map "rR"   'wl-summary-mark-as-read-region)
 540   (define-key wl-summary-mode-map "ri"   'wl-summary-prefetch-region)
 541   (define-key wl-summary-mode-map "rx"   'wl-summary-exec-region)
 542   (define-key wl-summary-mode-map "mr"   'wl-summary-target-mark-region)
 543   (define-key wl-summary-mode-map "r*"   'wl-summary-target-mark-region)
 544   (define-key wl-summary-mode-map "ro"   'wl-summary-refile-region)
 545   (define-key wl-summary-mode-map "rO"   'wl-summary-copy-region)
 546   (define-key wl-summary-mode-map "r\M-o" 'wl-summary-refile-prev-destination-region)
 547   (define-key wl-summary-mode-map "rd"   'wl-summary-dispose-region)
 548   (define-key wl-summary-mode-map "rD"   'wl-summary-delete-region)
 549   (define-key wl-summary-mode-map "r~"   'wl-summary-resend-region)
 550   (define-key wl-summary-mode-map "ru"   'wl-summary-unmark-region)
 551   (define-key wl-summary-mode-map "r!"   'wl-summary-mark-as-unread-region)
 552   (define-key wl-summary-mode-map "r$"   'wl-summary-mark-as-important-region)
 553   (define-key wl-summary-mode-map "rF"   'wl-summary-set-flags-region)
 554   (define-key wl-summary-mode-map "r&"   'wl-summary-mark-as-answered-region)
 555   (define-key wl-summary-mode-map "ry"   'wl-summary-save-region)
 556
 557   ;; score commands
 558   (define-key wl-summary-mode-map "K"    'wl-summary-increase-score)
 559   (define-key wl-summary-mode-map "L"    'wl-summary-lower-score)
 560   (define-key wl-summary-mode-map "h"    (make-sparse-keymap))
 561   (define-key wl-summary-mode-map "hR"   'wl-summary-rescore)
 562   (define-key wl-summary-mode-map "hc"   'wl-score-change-score-file)
 563   (define-key wl-summary-mode-map "he"   'wl-score-edit-current-scores)
 564   (define-key wl-summary-mode-map "hf"   'wl-score-edit-file)
 565   (define-key wl-summary-mode-map "hF"   'wl-score-flush-cache)
 566   (define-key wl-summary-mode-map "hm"   'wl-score-set-mark-below)
 567   (define-key wl-summary-mode-map "hx"   'wl-score-set-expunge-below)
 568
 569   ;; misc
 570   (define-key wl-summary-mode-map "\C-c\C-f" 'wl-summary-toggle-header-narrowing)
 571   (define-key wl-summary-mode-map "\M-t" 'wl-toggle-plugged)
 572   (define-key wl-summary-mode-map "\C-t" 'wl-plugged-change)
 573   ;;
 574   (define-key wl-summary-mode-map "\C-x\C-s" 'wl-summary-save-status)
 575   (wl-summary-setup-mouse)
 576   (easy-menu-define
 577    wl-summary-mode-menu
 578    wl-summary-mode-map
 579    "Menu used in Summary mode."
 580    wl-summary-mode-menu-spec))
 581
 582 (defun wl-summary-mimic-kill-buffer (buffer)
 583   "Kill the current (Summary) buffer with query."
 584   (interactive "bKill buffer: ")
 585   (if (or (not buffer)
 586           (string-equal buffer "")
 587           (string-equal buffer (buffer-name)))
 588       (wl-summary-exit 'force-exit)
 589     (kill-buffer buffer)))
 590
 591 (defsubst wl-summary-message-visible-p (number)
 592   "Return non-nil if the message with NUMBER is visible."
 593   (or (eq wl-summary-buffer-view 'sequence)
 594       (not (wl-thread-entity-parent-invisible-p
 595             (wl-thread-get-entity number)))))
 596
 597 (defun wl-summary-update-mark-and-highlight-window (&optional win beg)
 598   "A function to be called as window-scroll-functions."
 599   (with-current-buffer (window-buffer win)
 600     (when (eq major-mode 'wl-summary-mode)
 601       (let ((beg (or beg (window-start win)))
 602             (end (condition-case nil
 603                      (window-end win t) ; old emacsen doesn't support 2nd arg.
 604                    (error (window-end win))))
 605             number flags)
 606         (save-excursion
 607           (goto-char beg)
 608           (while (and (< (point) end) (not (eobp)))
 609             (when (or (null (get-text-property (point) 'face))
 610                       (wl-summary-persistent-mark-invalid-p))
 611               (setq number (wl-summary-message-number))
 612               (when number
 613                 (setq flags (elmo-message-flags wl-summary-buffer-elmo-folder
 614                                                 number)))
 615               (let (wl-summary-highlight)
 616                 (wl-summary-update-persistent-mark number flags))
 617               (wl-highlight-summary-current-line number flags))
 618             (forward-line 1)))))
 619     (set-buffer-modified-p nil)))
 620
 621 (defun wl-summary-window-scroll-functions ()
 622   (cond ((and wl-summary-highlight
 623               wl-summary-lazy-highlight
 624               wl-summary-lazy-update-mark)
 625          (list 'wl-summary-update-mark-and-highlight-window))
 626         ((and wl-summary-highlight
 627               wl-summary-lazy-highlight)
 628          (list 'wl-highlight-summary-window))
 629         (wl-summary-lazy-update-mark
 630          (list 'wl-summary-update-mark-window))))
 631
 632 (defun wl-summary-after-resize-function (frame)
 633   "Called from `window-size-change-functions'."
 634   (save-excursion
 635     (save-selected-window
 636       (select-frame frame)
 637       (walk-windows
 638        (lambda (window)
 639          (set-buffer (window-buffer window))
 640          (when (eq major-mode 'wl-summary-mode)
 641            (run-hook-with-args 'wl-summary-buffer-window-scroll-functions
 642                                window)))
 643        'nomini frame))))
 644
 645 ;; Handler of event from elmo-folder
 646 (defun wl-summary-update-persistent-mark-on-event (buffer numbers)
 647   (save-excursion
 648     (set-buffer buffer)
 649     (if wl-summary-lazy-update-mark
 650         (let ((window-list (get-buffer-window-list (current-buffer) 'nomini t))
 651               invalidate)
 652           (dolist (number numbers)
 653             (when (wl-summary-message-visible-p number)
 654               (if (catch 'visible
 655                     (let ((window-list window-list)
 656                           win)
 657                       (while (setq win (car window-list))
 658                         (when (wl-summary-jump-to-msg number
 659                                                       (window-start win)
 660                                                       (window-end win))
 661                           (throw 'visible t))
 662                         (setq window-list (cdr window-list)))))
 663                   (wl-summary-update-persistent-mark number)
 664                 (setq invalidate t))))
 665           (when invalidate
 666             (wl-summary-invalidate-persistent-mark)
 667             (dolist (win window-list)
 668               (wl-summary-validate-persistent-mark
 669                (window-start win)
 670                (window-end win)))))
 671       (dolist (number numbers)
 672         (when (and (wl-summary-message-visible-p number)
 673                    (wl-summary-jump-to-msg number))
 674           (wl-summary-update-persistent-mark number))))))
 675
 676 (defun wl-summary-buffer-attach ()
 677   (when wl-summary-buffer-elmo-folder
 678     (elmo-connect-signal
 679      wl-summary-buffer-elmo-folder
 680      'flag-changed
 681      (current-buffer)
 682      (elmo-define-signal-handler (buffer folder numbers)
 683        (wl-summary-update-persistent-mark-on-event buffer numbers)))
 684     (elmo-connect-signal
 685      wl-summary-buffer-elmo-folder
 686      'cache-changed
 687      (current-buffer)
 688      (elmo-define-signal-handler (buffer folder number)
 689        (wl-summary-update-persistent-mark-on-event buffer (list number))))
 690     (elmo-connect-signal
 691      wl-summary-buffer-elmo-folder
 692      'update-overview
 693      (current-buffer)
 694      (elmo-define-signal-handler (buffer folder number)
 695        (with-current-buffer buffer
 696          (wl-summary-rescan-message number))))))
 697
 698 (defun wl-summary-buffer-detach ()
 699   (when (and (eq major-mode 'wl-summary-mode)
 700              wl-summary-buffer-elmo-folder)
 701     (elmo-disconnect-signal 'flag-changed (current-buffer))
 702     (elmo-disconnect-signal 'cache-changed (current-buffer))
 703     (elmo-disconnect-signal 'update-overview (current-buffer))))
 704
 705 (defun wl-status-update ()
 706   (interactive)
 707   (wl-address-init))
 708
 709 (defun wl-summary-display-top ()
 710   (interactive)
 711   (goto-char (point-min))
 712   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 713   (if wl-summary-buffer-disp-msg
 714       (wl-summary-redisplay)))
 715
 716 (defun wl-summary-display-bottom ()
 717   (interactive)
 718   (goto-char (point-max))
 719   (forward-line -1)
 720   (run-hooks 'wl-summary-buffer-window-scroll-functions)
 721   (if wl-summary-buffer-disp-msg
 722       (wl-summary-redisplay)))
 723
 724 (defun wl-summary-count-unread ()
 725   (let ((flag-count (elmo-folder-count-flags wl-summary-buffer-elmo-folder)))
 726     (setq wl-summary-buffer-new-count
 727           (or (cdr (assq 'new flag-count)) 0)
 728           wl-summary-buffer-unread-count
 729           (or (cdr (assq 'unread flag-count)) 0)
 730           wl-summary-buffer-answered-count
 731           (or (cdr (assq 'answered flag-count)) 0))
 732     flag-count))
 733
 734 (defun wl-summary-message-string (&optional use-cache)
 735   "Return full body string of current message.
 736 If optional USE-CACHE is non-nil, use cache if exists."
 737   (let ((number (wl-summary-message-number))
 738         (folder wl-summary-buffer-elmo-folder))
 739     (if (null number)
 740         (message "No message.")
 741       (elmo-message-fetch-string folder
 742                                  number
 743                                  (elmo-make-fetch-strategy
 744                                   'entire
 745                                   use-cache ; use cache
 746                                   nil ; save cache (should `t'?)
 747                                   (and
 748                                    use-cache
 749                                    (elmo-file-cache-get-path
 750                                     (elmo-message-field folder number
 751                                                         'message-id))))
 752                                  'unread))))
 753
 754 (defun wl-summary-reedit (&optional arg)
 755   "Re-edit current message.
 756 If ARG is non-nil, Supersedes message"
 757   (interactive "P")
 758   (wl-summary-toggle-disp-msg 'off)
 759   (cond
 760    ((null (wl-summary-message-number))
 761     (message "No message."))
 762    (arg
 763     (wl-summary-supersedes-message))
 764    ((string= (wl-summary-buffer-folder-name) wl-draft-folder)
 765     (wl-draft-reedit (wl-summary-message-number))
 766     (if (wl-message-news-p)
 767         (mail-position-on-field "Newsgroups")
 768       (mail-position-on-field "To")))
 769    (t
 770     (wl-draft-edit-string (wl-summary-message-string 'maybe)))))
 771
 772 (defun wl-summary-resend-bounced-mail ()
 773   "Re-mail the current message.
 774 This only makes sense if the current message is a bounce message which
 775 contains some mail you have written but has been bounced back to
 776 you."
 777   (interactive)
 778   (wl-summary-toggle-disp-msg 'off)
 779   (save-excursion
 780     (wl-summary-set-message-buffer-or-redisplay)
 781     (set-buffer (wl-message-get-original-buffer))
 782     (goto-char (point-min))
 783     (let ((case-fold-search nil))
 784       (cond
 785        ((and
 786          (re-search-forward
 787           (concat "^\\($\\|[Cc]ontent-[Tt]ype:[ \t]+multipart/\\(report\\|mixed\\)\\)") nil t)
 788          (not (bolp))
 789          (re-search-forward "boundary=\"\\([^\"]+\\)\"" nil t))
 790         (let ((boundary (buffer-substring (match-beginning 1) (match-end 1)))
 791               start)
 792           (cond
 793            ((and (setq start (re-search-forward
 794                               (concat "^--" boundary "\n"
 795                                       "\\([Cc]ontent-[Dd]escription:.*\n\\)?"
 796                                       "[Cc]ontent-[Tt]ype:[ \t]+"
 797                                       "\\(message/rfc822\\|text/rfc822-headers\\).*\n"
 798                                       "\\(.+\n\\)*\n") nil t))
 799                  (re-search-forward
 800                   (concat "\n\\(--" boundary "\\)--\n") nil t))
 801             (wl-draft-edit-string (buffer-substring start (match-beginning 1))))
 802            (t
 803             (message "Seems no message/rfc822 part.")))))
 804        ((let ((case-fold-search t))
 805           (re-search-forward wl-rejected-letter-start nil t))
 806         (skip-chars-forward " \t\n")
 807         (wl-draft-edit-string (buffer-substring (point) (point-max))))
 808        (t
 809         (message "Does not appear to be a rejected letter."))))))
 810
 811 (defun wl-summary-detect-mark-position ()
 812   (let ((column wl-summary-buffer-number-column)
 813         (formatter wl-summary-buffer-line-formatter)
 814         (dummy-temp (char-to-string 200))
 815         ;; bind only for the check.
 816         (wl-summary-new-uncached-mark (char-to-string 201))
 817         (wl-summary-persistent-mark-priority-list '(new))     ; ditto.
 818         (lang wl-summary-buffer-weekday-name-lang)
 819         wl-summary-highlight
 820         temp persistent)
 821     (with-temp-buffer
 822       (setq wl-summary-buffer-number-column column
 823             wl-summary-buffer-line-formatter formatter
 824             wl-summary-buffer-weekday-name-lang lang)
 825       (insert
 826        (wl-summary-create-line
 827         (elmo-msgdb-make-message-entity
 828          (luna-make-entity 'modb-entity-handler)
 829          :number 10000
 830          :from "foo"
 831          :subject "bar"
 832          :size 100)
 833         nil
 834         dummy-temp
 835         '(new)
 836         nil))
 837       (goto-char (point-min))
 838       (setq temp (save-excursion
 839                    (when (search-forward dummy-temp nil t)
 840                      (current-column)))
 841             persistent
 842             (save-excursion
 843               (when (search-forward wl-summary-new-uncached-mark nil t)
 844                 (current-column)))))
 845     (setq wl-summary-buffer-temp-mark-column temp
 846           wl-summary-buffer-persistent-mark-column persistent)))
 847
 848 (defun wl-summary-buffer-set-folder (folder)
 849   (wl-summary-buffer-detach)
 850   (if (stringp folder)
 851       (setq folder (wl-folder-get-elmo-folder folder)))
 852   (setq wl-summary-buffer-elmo-folder folder)
 853   (make-local-variable 'wl-message-buffer)
 854   (setq wl-summary-buffer-mime-charset (wl-folder-mime-charset
 855                                         (elmo-folder-name-internal folder)))
 856   (setq wl-summary-buffer-weekday-name-lang
 857         (or (wl-get-assoc-list-value
 858              wl-folder-weekday-name-lang-alist
 859              (elmo-folder-name-internal folder))
 860             wl-summary-weekday-name-lang))
 861   (setq wl-summary-buffer-thread-indent-set
 862         (wl-get-assoc-list-value
 863          wl-folder-thread-indent-set-alist
 864          (elmo-folder-name-internal folder)))
 865   (setq wl-summary-buffer-number-column
 866         (or (wl-get-assoc-list-value wl-summary-number-column-alist
 867                                      (wl-summary-buffer-folder-name))
 868             wl-summary-default-number-column))
 869   (wl-line-formatter-setup
 870    wl-summary-buffer-line-formatter
 871    (setq wl-summary-buffer-line-format
 872          (or (wl-get-assoc-list-value
 873               wl-folder-summary-line-format-alist
 874               (elmo-folder-name-internal folder))
 875              wl-summary-line-format))
 876    wl-summary-line-format-spec-alist)
 877   (wl-line-formatter-setup
 878    wl-summary-buffer-mode-line-formatter
 879    wl-summary-mode-line-format
 880    wl-summary-mode-line-format-spec-alist)
 881   (setq wl-summary-buffer-persistent
 882         (wl-folder-persistent-p (elmo-folder-name-internal folder)))
 883   (elmo-folder-set-persistent-internal folder wl-summary-buffer-persistent)
 884   (wl-summary-buffer-attach)
 885   ;; process duplicates.
 886   (elmo-folder-set-process-duplicates-internal
 887    folder (cdr (elmo-string-matched-assoc
 888                 (elmo-folder-name-internal folder)
 889                 wl-folder-process-duplicates-alist)))
 890   (setq
 891    wl-thread-indent-level-internal
 892    (or (nth 0 wl-summary-buffer-thread-indent-set)
 893        wl-thread-indent-level)
 894    wl-thread-have-younger-brother-str-internal
 895    (or (nth 1 wl-summary-buffer-thread-indent-set)
 896        wl-thread-have-younger-brother-str)
 897    wl-thread-youngest-child-str-internal
 898    (or (nth 2 wl-summary-buffer-thread-indent-set)
 899        wl-thread-youngest-child-str)
 900    wl-thread-vertical-str-internal
 901    (or (nth 3 wl-summary-buffer-thread-indent-set)
 902        wl-thread-vertical-str)
 903    wl-thread-horizontal-str-internal
 904    (or (nth 4 wl-summary-buffer-thread-indent-set)
 905        wl-thread-horizontal-str)
 906    wl-thread-space-str-internal
 907    (or (nth 5 wl-summary-buffer-thread-indent-set)
 908        wl-thread-space-str))
 909   (run-hooks 'wl-summary-buffer-set-folder-hook))
 910
 911 (defun wl-summary-mode ()
 912   "Major mode for reading threaded messages.
 913 See Info under Wanderlust for full documentation.
 914
 915 Special commands:
 916 \\{wl-summary-mode-map}
 917
 918 Entering Folder mode calls the value of `wl-summary-mode-hook'."
 919   (interactive)
 920   (unless (interactive-p) (kill-all-local-variables))
 921   (setq major-mode 'wl-summary-mode)
 922   (setq mode-name "Summary")
 923   (use-local-map wl-summary-mode-map)
 924 ;;;(setq default-directory (or wl-tmp-dir (expand-file-name "~/")))
 925   (setq buffer-read-only t)
 926   (setq truncate-lines t)
 927   (when (boundp 'show-trailing-whitespace)
 928     (setq show-trailing-whitespace nil))
 929 ;;;(make-local-variable 'tab-width)
 930 ;;;(setq tab-width 1)
 931   (buffer-disable-undo (current-buffer))
 932   (setq selective-display t
 933         selective-display-ellipses nil)
 934   (wl-mode-line-buffer-identification '(wl-summary-buffer-mode-line))
 935   (easy-menu-add wl-summary-mode-menu)
 936   (setq wl-summary-buffer-window-scroll-functions
 937         (wl-summary-window-scroll-functions))
 938   (when wl-summary-buffer-window-scroll-functions
 939     (let ((hook (if wl-on-xemacs 'pre-idle-hook 'window-scroll-functions)))
 940       (make-local-hook hook)
 941       (dolist (function wl-summary-buffer-window-scroll-functions)
 942         (add-hook hook function nil t)))
 943     (add-hook 'window-size-change-functions
 944               #'wl-summary-after-resize-function))
 945   (dolist (hook '(change-major-mode-hook kill-buffer-hook))
 946     (make-local-hook hook)
 947     (add-hook hook #'wl-summary-buffer-detach nil t))
 948   ;; This hook may contain the function `wl-setup-summary' for reasons
 949   ;; of system internal to accord facilities for the Emacs variants.
 950   (run-hooks 'wl-summary-mode-hook))
 951
 952 ;;;
 953 (defun wl-summary-overview-entity-compare-by-size (x y)
 954    "Compare entity X and Y by size."
 955    (< (elmo-message-entity-field x 'size)
 956       (elmo-message-entity-field y 'size)))
 957
 958
 959 (defun wl-summary-overview-entity-compare-by-date (x y)
 960   "Compare entity X and Y by date."
 961   (condition-case nil
 962       (elmo-time<
 963        (elmo-message-entity-field x 'date)
 964        (elmo-message-entity-field y 'date))
 965     (error))) ;; ignore error.
 966
 967 (defun wl-summary-overview-entity-compare-by-number (x y)
 968    "Compare entity X and Y by number."
 969   (<
 970    (elmo-message-entity-number x)
 971    (elmo-message-entity-number y)))
 972
 973 (defun wl-summary-overview-entity-compare-by-from (x y)
 974   "Compare entity X and Y by from."
 975   (string<
 976    (or (elmo-message-entity-field x 'from)
 977        wl-summary-no-from-message)
 978    (or (elmo-message-entity-field y 'from)
 979        wl-summary-no-from-message)))
 980
 981 (defun wl-summary-overview-entity-compare-by-subject (x y)
 982   "Compare entity X and Y by subject."
 983   (string< (elmo-message-entity-field x 'subject)
 984            (elmo-message-entity-field y 'subject)))
 985
 986 (defun wl-summary-get-list-info (entity)
 987   "Returns (\"ML-name\" . ML-count) of ENTITY."
 988   (or (elmo-message-entity-field entity 'ml-info)
 989       (let (sequence ml-name ml-count subject
 990                      return-path delivered-to mailing-list)
 991         (setq sequence (elmo-message-entity-field entity 'x-sequence)
 992               ml-name (or (elmo-message-entity-field entity 'x-ml-name)
 993                           (and sequence
 994                                (car (split-string sequence " "))))
 995               ml-count (or (elmo-message-entity-field entity 'x-mail-count)
 996                            (elmo-message-entity-field entity 'x-ml-count)
 997                            (and sequence
 998                                 (cadr (split-string sequence " ")))))
 999         (and (setq subject (elmo-message-entity-field entity 'subject))
1000              (setq subject (elmo-delete-char ?\n subject))
1001              (string-match "^\\s(\\(\\S)+\\)[ :]\\([0-9]+\\)\\s)[ \t]*"
1002                            subject)
1003              (progn
1004                (or ml-name (setq ml-name (match-string 1 subject)))
1005                (or ml-count (setq ml-count (match-string 2 subject)))))
1006         (and (setq return-path
1007                    (elmo-message-entity-field entity 'return-path))
1008              (string-match "^<\\([^@>]+\\)-return-\\([0-9]+\\)-" return-path)
1009              (progn
1010                (or ml-name (setq ml-name (match-string 1 return-path)))
1011                (or ml-count (setq ml-count (match-string 2 return-path)))))
1012         (and (setq delivered-to
1013                    (elmo-message-entity-field entity 'delivered-to))
1014              (string-match "^mailing list \\([^@]+\\)@" delivered-to)
1015              (or ml-name (setq ml-name (match-string 1 delivered-to))))
1016         (and (setq mailing-list
1017                    (elmo-message-entity-field entity 'mailing-list))
1018              ;; *-help@, *-owner@, etc.
1019              (string-match "\\(^\\|; \\)contact \\([^@]+\\)-[^-@]+@"
1020                            mailing-list)
1021              (or ml-name (setq ml-name (match-string 2 mailing-list))))
1022         (cons (and ml-name (car (split-string ml-name " ")))
1023               (and ml-count (string-to-int ml-count))))))
1024
1025 (defun wl-summary-overview-entity-compare-by-list-info (x y)
1026   "Compare entity X and Y by mailing-list info."
1027   (let* ((list-info-x (wl-summary-get-list-info x))
1028          (list-info-y (wl-summary-get-list-info y)))
1029     (if (equal (car list-info-x) (car list-info-y))
1030         (if (equal (cdr list-info-x) (cdr list-info-y))
1031             (wl-summary-overview-entity-compare-by-date x y)
1032           (< (or (cdr list-info-x) 0)
1033              (or (cdr list-info-y) 0)))
1034       (string< (or (car list-info-x) "")
1035                (or (car list-info-y) "")))))
1036
1037 (defun wl-summary-sort-by-date (reverse)
1038   "Sort summary lines into the order by message date; argument means descending order."
1039   (interactive "P")
1040   (wl-summary-rescan "date" reverse))
1041 (defun wl-summary-sort-by-number (reverse)
1042   "Sort summary lines into the order by message number; argument means descending order."
1043   (interactive "P")
1044   (wl-summary-rescan "number" reverse))
1045 (defun wl-summary-sort-by-subject (reverse)
1046   "Sort summary lines into the order by subject; argument means descending order."
1047   (interactive "P")
1048   (wl-summary-rescan "subject" reverse))
1049 (defun wl-summary-sort-by-from (reverse)
1050   "Sort summary lines into the order by from; argument means descending order."
1051   (interactive "P")
1052   (wl-summary-rescan "from" reverse))
1053 (defun wl-summary-sort-by-list-info (reverse)
1054   "Sort summary lines into the order by mailing list info; argument means descending order."
1055   (interactive "P")
1056   (wl-summary-rescan "list-info" reverse))
1057 (defun wl-summary-sort-by-size (reverse)
1058   "Sort summary lines into the order by message size; argument means descending order."
1059   (interactive "P")
1060   (wl-summary-rescan "size" reverse))
1061
1062 (defun wl-summary-rescan (&optional sort-by reverse disable-killed disable-thread)
1063   "Rescan current folder without updating."
1064   (interactive)
1065   (let ((elmo-mime-charset wl-summary-buffer-mime-charset)
1066         gc-message                      ; for XEmacs
1067         (inhibit-read-only t)
1068         (buffer-read-only nil)
1069         (numbers (elmo-folder-list-messages wl-summary-buffer-elmo-folder
1070                                             (not disable-killed) t)) ; in-msgdb
1071         (wl-thread-saved-entity-hashtb-internal (and (not disable-thread)
1072                                                      wl-thread-entity-hashtb))
1073         (wl-summary-search-parent-by-subject-regexp
1074          (and disable-thread wl-summary-search-parent-by-subject-regexp))
1075         (wl-summary-divide-thread-when-subject-changed
1076          (and disable-thread wl-summary-divide-thread-when-subject-changed))
1077         (predicate (and sort-by
1078                         (intern (format "wl-summary-overview-entity-compare-by-%s"
1079                                         sort-by))))
1080         (sort-label (if reverse "Reverse sorting" "Sorting"))
1081         (i 0)
1082         num
1083         expunged)
1084     (erase-buffer)
1085     (message "Re-scanning...")
1086     (when sort-by
1087       (message "%s by %s..." sort-label sort-by)
1088       (setq numbers
1089             (sort numbers
1090                   (lambda (x y)
1091                     (funcall
1092                      predicate
1093                      (elmo-message-entity wl-summary-buffer-elmo-folder x)
1094                      (elmo-message-entity wl-summary-buffer-elmo-folder y)))))
1095       (if reverse (setq numbers (nreverse numbers)))
1096       (message "%s by %s...done" sort-label sort-by))
1097     (setq num (length numbers))
1098     (setq wl-thread-entity-hashtb (elmo-make-hash (* num 2))
1099           wl-thread-entity-list nil
1100           wl-thread-entities nil
1101           wl-summary-scored nil
1102           wl-summary-buffer-number-list nil
1103           wl-summary-buffer-persistent-mark-version 0
1104           wl-summary-buffer-target-mark-list nil
1105           wl-summary-buffer-temp-mark-list nil
1106           wl-summary-delayed-update nil)
1107     (elmo-kill-buffer wl-summary-search-buf-name)
1108     (while numbers
1109       (wl-summary-insert-message (elmo-message-entity
1110                                   wl-summary-buffer-elmo-folder
1111                                   (car numbers))
1112                                  wl-summary-buffer-elmo-folder
1113                                  nil)
1114       (setq numbers (cdr numbers))
1115       (when (> num elmo-display-progress-threshold)
1116         (setq i (+ i 1))
1117         (if (or (zerop (% i 5)) (= i num))
1118             (elmo-display-progress
1119              'wl-summary-rescan "Constructing summary structure..."
1120              (/ (* i 100) num)))))
1121     (when wl-summary-delayed-update
1122       (while wl-summary-delayed-update
1123         (message "Parent (%d) of message %d is no entity"
1124                  (caar wl-summary-delayed-update)
1125                  (elmo-message-entity-number
1126                   (cdar wl-summary-delayed-update)))
1127         (wl-summary-insert-message
1128          (cdar wl-summary-delayed-update)
1129          wl-summary-buffer-elmo-folder nil t)
1130         (setq wl-summary-delayed-update (cdr wl-summary-delayed-update))))
1131     (message "Constructing summary structure...done")
1132     (if (eq wl-summary-buffer-view 'thread)
1133         (progn
1134           (message "Inserting thread...")
1135           (wl-thread-insert-top)
1136           (message "Inserting thread...done")))
1137     (when wl-use-scoring
1138       (wl-summary-score-headers (wl-summary-rescore-msgs
1139                                  wl-summary-buffer-number-list)
1140                                 t)
1141       (when (and wl-summary-scored
1142                  (setq expunged (wl-summary-score-update-all-lines)))
1143         (message "%d message(s) are expunged by scoring." (length expunged))))
1144     (wl-summary-set-message-modified)
1145     (wl-summary-count-unread)
1146     (wl-summary-update-modeline)
1147     (goto-char (point-max))
1148     (forward-line -1)
1149     (set-buffer-modified-p nil)))
1150
1151 (defun wl-summary-rescan-message (number &optional reparent)
1152   "Rescan current message without updating."
1153   (interactive (list (wl-summary-message-number) current-prefix-arg))
1154   (let ((start-number (wl-summary-message-number))
1155         (start-column (current-column)))
1156     (when (wl-summary-jump-to-msg number)
1157       (let* ((folder wl-summary-buffer-elmo-folder)
1158              (entity (elmo-message-entity folder number))
1159              (inhibit-read-only t))
1160         (if (eq wl-summary-buffer-view 'thread)
1161             (let* ((thread-entity (wl-thread-get-entity number))
1162                    (descendant (wl-thread-entity-get-descendant thread-entity))
1163                    (thread-parent (wl-thread-entity-get-parent thread-entity))
1164                    (entity-parent (elmo-message-entity-number
1165                                    (elmo-message-entity-parent folder entity)))
1166                    update-top-list)
1167               (if (and (not reparent)
1168                        (eq thread-parent entity-parent))
1169                   (progn
1170                     (wl-thread-entity-set-linked thread-entity nil)
1171                     (wl-thread-update-line-on-buffer-sub nil number))
1172                 (wl-thread-delete-message number 'deep 'update)
1173                 (dolist (number (cons number descendant))
1174                   (setq update-top-list
1175                         (nconc
1176                          update-top-list
1177                          (wl-summary-insert-thread
1178                           (elmo-message-entity folder number)
1179                           folder
1180                           'update))))
1181                 (when update-top-list
1182                   (wl-thread-update-indent-string-thread
1183                    (elmo-uniq-list update-top-list)))))
1184             (delete-region (point-at-bol) (1+ (point-at-eol)))
1185             (wl-summary-insert-line
1186              (wl-summary-create-line entity nil
1187                                      (wl-summary-temp-mark number)
1188                                      (elmo-message-flags folder number)
1189                                      (elmo-message-cached-p folder number)))))
1190       (when (and wl-summary-buffer-disp-msg
1191                  wl-summary-buffer-current-msg)
1192         (save-excursion
1193           (when (wl-summary-jump-to-msg wl-summary-buffer-current-msg)
1194             (wl-highlight-summary-displaying))))
1195       (wl-summary-set-message-modified)
1196       (wl-summary-jump-to-msg start-number)
1197       (move-to-column start-column))))
1198
1199 (defun wl-summary-next-folder-or-exit (&optional next-entity upward)
1200   (if (and next-entity
1201            wl-auto-select-next)
1202       (let (retval)
1203         (wl-summary-toggle-disp-msg 'off)
1204         (unwind-protect
1205             (setq retval
1206                   (wl-summary-goto-folder-subr next-entity
1207                                                'force-update
1208                                                nil
1209                                                nil ; not sticky
1210                                                t   ; interactive!
1211                                                ))
1212           (wl-folder-set-current-entity-id (wl-folder-get-entity-id next-entity))
1213           (if (and (eq retval 'more-next)
1214                    (memq wl-auto-select-next '(unread skip-no-unread))
1215                    (memq this-command wl-summary-next-no-unread-command))
1216               (if upward
1217                   (wl-summary-up
1218                    t (eq wl-auto-select-next 'skip-no-unread))
1219                 (goto-char (point-max))
1220                 (forward-line -1)
1221                 (wl-summary-down
1222                  t (eq wl-auto-select-next 'skip-no-unread))))))
1223     (wl-summary-exit)))
1224
1225 (defun wl-summary-entity-info-msg (entity finfo)
1226   (or (and entity
1227            (concat
1228             (if (memq 'ask-folder wl-use-folder-petname)
1229                 (wl-folder-get-petname entity)
1230               entity)
1231             (if (null (car finfo))
1232                 " (? new/? unread)"
1233               (format
1234                " (%d new/%d unread)"
1235                (nth 0 finfo)
1236                (+ (nth 0 finfo)
1237                   (nth 1 finfo))))))
1238       "folder mode"))
1239
1240 (defun wl-summary-set-message-modified ()
1241   (setq wl-summary-buffer-message-modified t))
1242 (defun wl-summary-message-modified-p ()
1243   wl-summary-buffer-message-modified)
1244 (defun wl-summary-set-thread-modified ()
1245   (setq wl-summary-buffer-thread-modified t))
1246 (defun wl-summary-thread-modified-p ()
1247   wl-summary-buffer-thread-modified)
1248
1249 (defun wl-summary-exec-with-confirmation (&optional message)
1250   (when wl-summary-buffer-temp-mark-list
1251     (if (y-or-n-p (or message
1252                       (format "Execute marks in %s? "
1253                               (wl-summary-buffer-folder-name))))
1254         (progn
1255           (wl-summary-exec)
1256           (if wl-summary-buffer-temp-mark-list
1257               (error "Some execution was failed")))
1258       ;; temp-mark-list is remained.
1259       (message ""))))
1260
1261 (defun wl-summary-cleanup-temp-marks ()
1262   (when wl-summary-buffer-temp-mark-list
1263     (wl-summary-exec-with-confirmation
1264      (format "Execute marks in %s? (answer \"n\" to discard them) "
1265              (wl-summary-buffer-folder-name)))
1266     (wl-summary-delete-all-temp-marks 'no-msg)
1267     (setq wl-summary-scored nil)))
1268
1269 ;; a subroutine for wl-summary-exit/wl-save-status
1270 ;; Note that folder is not commited here.
1271 (defun wl-summary-save-view ()
1272   ;; already in summary buffer.
1273   (when wl-summary-buffer-persistent
1274     ;; save the current summary buffer view.
1275     (if (and wl-summary-cache-use
1276              (or (wl-summary-message-modified-p)
1277                  (wl-summary-thread-modified-p)))
1278         (wl-summary-save-view-cache))))
1279
1280 (defun wl-summary-save-status ()
1281   "Save summary view and msgdb."
1282   (interactive)
1283   (if (interactive-p) (message "Saving summary status..."))
1284   (wl-summary-save-view)
1285   (elmo-folder-commit wl-summary-buffer-elmo-folder)
1286   (elmo-folder-check wl-summary-buffer-elmo-folder)
1287   (if wl-use-scoring (wl-score-save))
1288   (if (interactive-p) (message "Saving summary status...done")))
1289
1290 (defun wl-summary-force-exit ()
1291   "Exit current summary.  Buffer is deleted even the buffer is sticky."
1292   (interactive)
1293   (wl-summary-exit 'force-exit))
1294
1295 (defun wl-summary-exit (&optional force-exit)
1296   "Exit current summary.  if FORCE-EXIT, exits even the summary is sticky."
1297   (interactive "P")
1298   (let ((summary-buf (current-buffer))
1299         (sticky (wl-summary-sticky-p))
1300         summary-win
1301         message-buf message-win
1302         folder-buf folder-win)
1303     (run-hooks 'wl-summary-exit-pre-hook)
1304     (if wl-summary-buffer-exit-function
1305         (funcall wl-summary-buffer-exit-function)
1306       (if (or force-exit (not sticky))
1307           (wl-summary-cleanup-temp-marks))
1308       (unwind-protect
1309           ;; save summary status
1310           (progn
1311             (wl-summary-save-view)
1312             (if (or force-exit (not sticky))
1313                 (elmo-folder-close wl-summary-buffer-elmo-folder)
1314               (elmo-folder-commit wl-summary-buffer-elmo-folder)
1315               (elmo-folder-check wl-summary-buffer-elmo-folder))
1316             (if wl-use-scoring (wl-score-save)))
1317         ;; for sticky summary
1318         (wl-delete-all-overlays)
1319         (setq wl-summary-buffer-disp-msg nil)
1320         (elmo-kill-buffer wl-summary-search-buf-name)
1321         ;; delete message window if displayed.
1322         (if (and wl-message-buffer (get-buffer-window wl-message-buffer))
1323             (delete-window (get-buffer-window wl-message-buffer)))
1324         (if (and wl-summary-use-frame
1325                  (> (length (visible-frame-list)) 1))
1326             (delete-frame))
1327         (if (setq folder-buf (get-buffer wl-folder-buffer-name))
1328             (if wl-summary-use-frame
1329                 (let (select-frame)
1330                   (save-selected-window
1331                     (dolist (frame (visible-frame-list))
1332                       (select-frame frame)
1333                       (if (get-buffer-window folder-buf)
1334                           (setq select-frame frame))))
1335                   (if select-frame
1336                       (select-frame select-frame)
1337                     (switch-to-buffer folder-buf)))
1338               (if (setq folder-win (get-buffer-window folder-buf))
1339                   ;; folder win is already displayed.
1340                   (select-window folder-win)
1341                 ;; folder win is not displayed.
1342                 (switch-to-buffer folder-buf)))
1343           ;; currently no folder buffer
1344           (wl-folder))
1345         (and wl-folder-move-cur-folder
1346              wl-folder-buffer-cur-point
1347              (goto-char wl-folder-buffer-cur-point))
1348         (setq wl-folder-buffer-cur-path nil)
1349         (setq wl-folder-buffer-last-visited-entity-id wl-folder-buffer-cur-entity-id)
1350         (setq wl-folder-buffer-cur-entity-id nil)
1351         (wl-delete-all-overlays)
1352         (if wl-summary-exit-next-move
1353             (wl-folder-next-unsync t)
1354           (beginning-of-line))
1355         (if (setq summary-win (get-buffer-window summary-buf))
1356             (delete-window summary-win))
1357         (if (or force-exit
1358                 (not sticky))
1359             (progn
1360               (set-buffer summary-buf)
1361               (kill-buffer summary-buf)))
1362         (run-hooks 'wl-summary-exit-hook)))))
1363
1364 (defun wl-summary-suspend ()
1365   (interactive)
1366   (wl-summary-exit)
1367   (wl-folder-suspend))
1368
1369 (defun wl-summary-sync-force-update (&optional unset-cursor no-check)
1370   (interactive)
1371   (wl-summary-sync-update unset-cursor nil nil no-check))
1372
1373 (defsubst wl-summary-sync-all-init ()
1374   (wl-summary-cleanup-temp-marks)
1375   (erase-buffer)
1376   (wl-summary-set-message-modified)
1377   (setq wl-thread-entity-hashtb (elmo-make-hash
1378                                  (* (elmo-folder-length
1379                                      wl-summary-buffer-elmo-folder)
1380                                     2)))
1381   (setq wl-thread-entity-list nil)
1382   (setq wl-thread-entities nil)
1383   (setq wl-summary-buffer-number-list nil)
1384   (setq wl-summary-buffer-target-mark-list nil)
1385   (setq wl-summary-buffer-temp-mark-list nil))
1386
1387 (defun wl-summary-sync (&optional unset-cursor force-range)
1388   (interactive)
1389   (let* ((folder wl-summary-buffer-elmo-folder)
1390          (inhibit-read-only t)
1391          (buffer-read-only nil)
1392          (msgdb-dir (elmo-folder-msgdb-path folder))
1393          (range (or force-range (wl-summary-input-range
1394                                  (elmo-folder-name-internal folder)))))
1395     (cond ((string-match "rescan" range)
1396            (let ((msg (wl-summary-message-number))
1397                  (wl-use-scoring (if (string-match "noscore" range)
1398                                      nil
1399                                    wl-use-scoring)))
1400              (wl-summary-rescan nil
1401                                 nil
1402                                 (string-match "noscore" range)
1403                                 (string-match "thread" range))
1404              (and msg (wl-summary-jump-to-msg msg))))
1405           ((string= range "mark")
1406            (let ((msg (wl-summary-message-number)))
1407              (call-interactively 'wl-summary-sync-marks)
1408              (and msg (wl-summary-jump-to-msg msg))))
1409           ((string= range "cache-status")
1410            (let ((msg (wl-summary-message-number)))
1411              (wl-summary-resume-cache-status)
1412              (and msg (wl-summary-jump-to-msg msg))))
1413           ((string= range "no-sync"))
1414           ((or (string-match "^last:" range)
1415                (string-match "^first:" range))
1416            (wl-summary-goto-folder-subr (concat "/" range "/"
1417                                                 (elmo-folder-name-internal
1418                                                  folder))
1419                                         'force-update nil nil t))
1420           (t
1421            (wl-summary-sync-update unset-cursor
1422                                    (string-match "entirely" range)
1423                                    (string-match "all" range))))))
1424
1425 (defvar wl-summary-edit-addresses-candidate-fields
1426   ;; First element becomes default.
1427   '("from" "to" "cc"))
1428
1429 (defun wl-summary-edit-addresses-collect-candidate-fields (mime-charset)
1430   (let ((fields wl-summary-edit-addresses-candidate-fields)
1431         body candidates components)
1432     (while fields
1433       (setq body
1434             (mapconcat 'identity (elmo-multiple-field-body (car fields))
1435                        ","))
1436       (setq body (wl-parse-addresses body))
1437       (if body (setq candidates (append candidates body)))
1438       (setq fields (cdr fields)))
1439     (setq candidates (elmo-uniq-list candidates))
1440     (elmo-with-enable-multibyte
1441       (mapcar (function
1442                (lambda (x)
1443                  (setq components (std11-extract-address-components x))
1444                  (cons (nth 1 components)
1445                        (and (car components)
1446                             (eword-decode-string
1447                              (decode-mime-charset-string
1448                               (car components)
1449                               mime-charset))))))
1450               candidates))))
1451
1452 (defun wl-summary-edit-addresses-subr (the-email name-in-addr)
1453   ;; returns nil if there's no change.
1454   (if (elmo-get-hash-val (downcase the-email) wl-address-petname-hash)
1455       (let (char)
1456         (message "'%s' already exists. (e)dit/(d)elete/(c)ancel?"
1457                  the-email)
1458         (while (not (or (eq (setq char (read-char)) ?\r)
1459                         (eq char ?\n)
1460                         (eq char ? )
1461                         (eq char ?e)
1462                         (eq char ?c)
1463                         (eq char ?d)))
1464           (message
1465            "Please answer `e' or `d' or `c'. (e)dit/(d)elete/(c)ancel?"))
1466         (cond
1467          ((or (eq char ?e)
1468               (eq char ?\n)
1469               (eq char ?\r)
1470               (eq char ? ))
1471           ;; Change Addresses
1472           (wl-address-add-or-change
1473            the-email
1474            (wl-address-header-extract-realname
1475             (cdr (assoc
1476                   (let ((completion-ignore-case t) comp)
1477                     (setq comp
1478                           (try-completion the-email wl-address-completion-list))
1479                     (if (equal comp t) the-email comp))
1480                   wl-address-completion-list))))
1481           "edited")
1482          ((eq char ?d)
1483           ;; Delete Addresses
1484           (if (y-or-n-p (format "Delete '%s'? "
1485                                 the-email))
1486               (progn
1487                 (wl-address-delete the-email)
1488                 "deleted")
1489             (message "")
1490             nil))
1491          (t (message "")
1492             nil)))
1493     ;; Add Petname
1494     (wl-address-add-or-change the-email name-in-addr)
1495     "added"))
1496
1497 (defun wl-summary-edit-addresses (&optional addr-str)
1498   "Edit address book interactively.
1499 Optional argument ADDR-STR is used as a target address if specified."
1500   (interactive (if current-prefix-arg
1501                    (list (read-from-minibuffer "Target address: "))))
1502   (if (null (wl-summary-message-number))
1503       (message "No message.")
1504     (save-excursion
1505       (let* ((charset wl-summary-buffer-mime-charset)
1506              (candidates
1507               (with-current-buffer (wl-summary-get-original-buffer)
1508                 (wl-summary-edit-addresses-collect-candidate-fields
1509                  charset)))
1510              address pair result)
1511         (if addr-str
1512             (setq address addr-str)
1513           (when candidates
1514             (setq address (car (car candidates)))
1515             (setq address
1516                   (completing-read
1517                    (format "Target address (%s): " address)
1518                    (mapcar
1519                     (function (lambda (x) (cons (car x) (car x))))
1520                     candidates)
1521                    nil nil nil nil address))))
1522         (when address
1523           (setq pair (assoc address candidates))
1524           (unless pair
1525             (setq pair (cons address nil)))
1526           (when (setq result (wl-summary-edit-addresses-subr (car pair) (cdr pair)))
1527             ;; update alias
1528             (wl-status-update)
1529             (setq address (assoc (car pair) wl-address-list))
1530             (if address
1531                 (message "%s, %s, <%s> is %s."
1532                          (nth 2 address)
1533                          (nth 1 address)
1534                          (nth 0 address)
1535                          result)))
1536 ;;; i'd like to update summary-buffer, but...
1537 ;;;     (wl-summary-rescan)
1538           (run-hooks 'wl-summary-edit-addresses-hook))))))
1539
1540 (defun wl-summary-incorporate (&optional arg)
1541   "Check and prefetch all uncached messages.
1542 If ARG is non-nil, checking is omitted."
1543   (interactive "P")
1544   (unless arg
1545     (save-excursion
1546       (wl-summary-sync-force-update)))
1547   (wl-summary-prefetch-region-no-mark (point-min) (point-max)
1548                                       wl-summary-incorporate-marks))
1549
1550 (defun wl-summary-force-prefetch ()
1551   "All uncached messages are cached."
1552   (interactive)
1553   (unless (elmo-folder-local-p wl-summary-buffer-elmo-folder)
1554     (let ((targets (elmo-folder-list-flagged wl-summary-buffer-elmo-folder
1555                                              'uncached 'in-msgdb))
1556           (count 0)
1557           wl-prefetch-confirm
1558           wl-prefetch-threshold
1559           (elmo-inhibit-display-retrieval-progress t)
1560           length msg)
1561       (save-excursion
1562         (goto-char (point-min))
1563         (setq length (length targets))
1564         (dolist (target targets)
1565           (when (if (not (wl-thread-entity-parent-invisible-p
1566                           (wl-thread-get-entity target)))
1567                     (progn
1568                       (wl-summary-jump-to-msg target)
1569                       (wl-summary-prefetch-msg
1570                        (wl-summary-message-number)))
1571                   (wl-summary-prefetch-msg target))
1572             (message "Retrieving... %d/%d" (incf count) length)))
1573         (message "Retrieved %d/%d message(s)" count length)))))
1574
1575 (defun wl-summary-prefetch-msg (number &optional arg)
1576   "Prefetch message and return non-nil value. If skipped, return nil."
1577   ;; prefetching procedure.
1578   (save-excursion
1579     (let* ((size (elmo-message-field wl-summary-buffer-elmo-folder
1580                                      number 'size))
1581            (file-cached (elmo-file-cache-exists-p
1582                          (elmo-message-field wl-summary-buffer-elmo-folder
1583                                              number 'message-id)))
1584            (force-read (and size
1585                             (or file-cached
1586                                 (and (null wl-prefetch-confirm) arg)
1587                                 (null wl-prefetch-threshold)
1588                                 (< size wl-prefetch-threshold))))
1589            mark new-mark)
1590       (ignore-errors
1591         (when (and (or arg (not file-cached))
1592                    size (not force-read) wl-prefetch-confirm)
1593           (let ((wl-message-entity (elmo-message-entity
1594                                     wl-summary-buffer-elmo-folder
1595                                     number)))
1596             (setq force-read
1597                   (save-restriction
1598                     (widen)
1599                     (y-or-n-p
1600                      (format
1601                       "Message from %s has %d bytes.  Prefetch it? "
1602                       (concat
1603                        "[ "
1604                        (save-match-data
1605                          (wl-set-string-width
1606                           17
1607                           (funcall
1608                            wl-summary-from-function
1609                            (elmo-delete-char
1610                             ?\"
1611                             (or
1612                              (elmo-message-entity-field
1613                               wl-message-entity
1614                               'from)
1615                              "??")))))
1616                        " ]")
1617                       size))))
1618             (message "")))              ; flush.
1619         (if force-read
1620             (save-excursion
1621               (save-match-data
1622                 ;; online
1623                 (when (or arg (not file-cached))
1624                   (elmo-message-encache wl-summary-buffer-elmo-folder
1625                                         number))
1626                 (elmo-message-set-cached wl-summary-buffer-elmo-folder
1627                                          number t))
1628               t)
1629           nil)))))
1630
1631 (defsubst wl-summary-narrow-to-region (beg end)
1632   (narrow-to-region
1633    (save-excursion
1634      (goto-char beg)
1635      (beginning-of-line)
1636      (point))
1637    (save-excursion
1638      (goto-char end)
1639      (if (eq (current-column) 0) (beginning-of-line) (end-of-line))
1640      (point))))
1641
1642 (defun wl-summary-prefetch-region-no-mark (beg end &optional prefetch-marks)
1643   (interactive "r")
1644   (let ((count 0)
1645         targets
1646         mark length
1647         entity msg
1648         start-pos pos)
1649     (save-excursion
1650       (setq start-pos (point))
1651       (save-restriction
1652         (wl-summary-narrow-to-region beg end)
1653         ;; collect prefetch targets.
1654         (message "Collecting marks...")
1655         (goto-char (point-min))
1656         (while (not (eobp))
1657           (setq mark (wl-summary-persistent-mark)
1658                 msg (wl-summary-message-number))
1659           (if (or (and (null prefetch-marks)
1660                        msg
1661                        (null (elmo-file-cache-exists-p
1662                               (elmo-message-field
1663                                wl-summary-buffer-elmo-folder
1664                                msg
1665                                'message-id))))
1666                   (member mark prefetch-marks))
1667               (setq targets (nconc targets (list msg))))
1668           (setq entity (wl-thread-get-entity msg))
1669           (if (or (not (eq wl-summary-buffer-view 'thread))
1670                   (wl-thread-entity-get-opened entity))
1671               (); opened. no hidden children.
1672             (setq targets (nconc
1673                            targets
1674                            (wl-thread-get-children-msgs-uncached
1675                             msg prefetch-marks))))
1676           (forward-line 1))
1677         (setq length (length targets))
1678         (message "Prefetching...")
1679         (while targets
1680           (when (if (not (wl-thread-entity-parent-invisible-p
1681                           (wl-thread-get-entity (car targets))))
1682                     (progn
1683                       (wl-summary-jump-to-msg (car targets))
1684                       (wl-summary-prefetch-msg
1685                        (wl-summary-message-number)))
1686                   (wl-summary-prefetch-msg (car targets)))
1687             (message "Prefetching... %d/%d message(s)"
1688                      (setq count (+ 1 count)) length))
1689           (setq targets (cdr targets)))
1690         (message "Prefetched %d/%d message(s)" count length)
1691         (cons count length)))))
1692
1693 (defun wl-summary-delete-marks-on-buffer (marks)
1694   (while marks
1695     (wl-summary-unmark (pop marks))))
1696
1697 (defun wl-summary-delete-copy-marks-on-buffer (copies)
1698   (wl-summary-delete-marks-on-buffer copies))
1699
1700 ;;;
1701 (defun wl-summary-delete-all-target-marks ()
1702   (wl-summary-delete-marks-on-buffer wl-summary-buffer-target-mark-list))
1703
1704 (defun wl-summary-number-list-from-region (beg end)
1705   (save-excursion
1706     (save-restriction
1707       (wl-summary-narrow-to-region beg end)
1708       (goto-char (point-min))
1709       (let (number-list)
1710         (if (eq wl-summary-buffer-view 'thread)
1711             (while (not (eobp))
1712               (let* ((number (wl-summary-message-number))
1713                      (entity (wl-thread-get-entity number)))
1714                 (setq number-list
1715                       (nconc number-list
1716                              (if (wl-thread-entity-get-opened entity)
1717                                  (list number)
1718                                (wl-thread-get-children-msgs number))))
1719                 (forward-line 1)))
1720           (while (not (eobp))
1721             (setq number-list
1722                   (nconc number-list (list (wl-summary-message-number))))
1723             (forward-line 1)))
1724         number-list))))
1725
1726 (defun wl-summary-mark-as-read-region (beg end)
1727   (interactive "r")
1728   (let ((number-list (wl-summary-number-list-from-region beg end)))
1729     (if (null number-list)
1730         (message "No message.")
1731       (wl-summary-mark-as-read number-list))))
1732
1733 (defun wl-summary-mark-as-unread-region (beg end)
1734   (interactive "r")
1735   (let ((number-list (wl-summary-number-list-from-region beg end)))
1736     (if (null number-list)
1737         (message "No message.")
1738       (wl-summary-mark-as-unread number-list))))
1739
1740 (defun wl-summary-set-flags-region (beg end &optional remove)
1741   (interactive "r\nP")
1742   (let ((number-list (wl-summary-number-list-from-region beg end)))
1743     (if (null number-list)
1744         (message "No message.")
1745       (wl-summary-set-flags-internal number-list nil nil remove)
1746       (wl-summary-count-unread)
1747       (wl-summary-update-modeline))))
1748
1749 (defun wl-summary-mark-as-answered-region (beg end &optional remove)
1750   (interactive "r\nP")
1751   (let ((number-list (wl-summary-number-list-from-region beg end))
1752         (remove (or remove
1753                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1754                                             (save-excursion
1755                                               (goto-char beg)
1756                                               (wl-summary-message-number))
1757                                             'answered))))
1758     (if (null number-list)
1759         (message "No message.")
1760       (wl-summary-set-persistent-mark-internal remove 'answered
1761                                                number-list
1762                                                nil nil (interactive-p))
1763       (wl-summary-count-unread)
1764       (wl-summary-update-modeline))))
1765
1766 (defun wl-summary-mark-as-important-region (beg end &optional remove)
1767   (interactive "r\nP")
1768   (let ((number-list (wl-summary-number-list-from-region beg end))
1769         (remove (or remove
1770                     (elmo-message-flagged-p wl-summary-buffer-elmo-folder
1771                                             (save-excursion
1772                                               (goto-char beg)
1773                                               (wl-summary-message-number))
1774                                             'important))))
1775     (if (null number-list)
1776         (message "No message.")
1777       (wl-summary-set-persistent-mark-internal remove 'important number-list
1778                                                nil nil (interactive-p))
1779       (wl-summary-count-unread)
1780       (wl-summary-update-modeline))))
1781
1782 (defun wl-summary-mark-as-read-all ()
1783   (interactive)
1784   (if (or (not (interactive-p))
1785           (y-or-n-p "Mark all messages as read? "))
1786       (let ((folder wl-summary-buffer-elmo-folder)
1787             (cur-buf (current-buffer)))
1788         (message "Setting all msgs as read...")
1789         (elmo-folder-unset-flag
1790          folder
1791          (elmo-folder-list-flagged folder 'unread 'in-msgdb)
1792          'unread)
1793         (wl-folder-update-unread (wl-summary-buffer-folder-name) 0)
1794         (setq wl-summary-buffer-unread-count 0)
1795         (setq wl-summary-buffer-new-count    0)
1796         (wl-summary-update-modeline)
1797         (message "Setting all msgs as read...done"))))
1798
1799 (defun wl-summary-delete-cache ()
1800   "Delete cache of current message."
1801   (interactive)
1802   (save-excursion
1803     (let* ((folder wl-summary-buffer-elmo-folder)
1804            number)
1805       (setq number (wl-summary-message-number))
1806       (elmo-message-set-cached folder number nil)
1807       (ignore-errors
1808         (elmo-file-cache-delete
1809          (elmo-file-cache-get-path
1810           (elmo-message-field wl-summary-buffer-elmo-folder
1811                               number
1812                               'message-id)))))))
1813
1814 (defun wl-summary-resume-cache-status ()
1815   "Resume the cache status of all messages in the current folder."
1816   (interactive)
1817   (let ((folder wl-summary-buffer-elmo-folder)
1818         number msgid)
1819     (message "Resuming cache status...")
1820     (save-excursion
1821       (goto-char (point-min))
1822       (while (not (eobp))
1823         (setq number (wl-summary-message-number))
1824         (setq msgid (elmo-message-field folder number 'message-id))
1825         (elmo-message-set-cached folder number
1826                                  (elmo-file-cache-exists-p msgid))
1827         (forward-line 1))
1828       (wl-summary-count-unread)
1829       (wl-summary-update-modeline)
1830       (message "Resuming cache status...done"))))
1831
1832 (defun wl-summary-delete-messages-on-buffer (msgs &optional deleting-info)
1833   (interactive)
1834   (save-excursion
1835     (let ((inhibit-read-only t)
1836           (buffer-read-only nil)
1837           (msgs2 msgs)
1838           (len (length msgs))
1839           (i 0)
1840           ;(deleting-info (or deleting-info "Deleting..."))
1841           update-list)
1842       (elmo-kill-buffer wl-summary-search-buf-name)
1843       (while msgs
1844         (if (eq wl-summary-buffer-view 'thread)
1845             (progn
1846               ;; don't use wl-append(nconc), because list is broken. ...why?
1847               (setq update-list
1848                     (append update-list
1849                             (wl-thread-delete-message (car msgs))))
1850               (setq update-list (delq (car msgs) update-list)))
1851           (goto-char (point-min))
1852           (if (wl-summary-jump-to-msg (car msgs))
1853               (progn
1854                 (delete-region (point-at-bol) (point-at-eol))
1855                 (delete-char 1) ; delete '\n'
1856                 (setq wl-summary-buffer-number-list
1857                       (delq (car msgs) wl-summary-buffer-number-list)))))
1858 ;       (when (> len elmo-display-progress-threshold)
1859 ;         (setq i (1+ i))
1860 ;         (if (or (zerop (% i 5)) (= i len))
1861 ;             (elmo-display-progress
1862 ;              'wl-summary-delete-messages-on-buffer deleting-info
1863 ;              (/ (* i 100) len))))
1864         (setq msgs (cdr msgs)))
1865       (when (eq wl-summary-buffer-view 'thread)
1866         (wl-thread-update-line-msgs (elmo-uniq-list update-list))
1867         (wl-thread-cleanup-symbols msgs2))
1868       ;;(message (concat deleting-info "done"))
1869       (wl-summary-count-unread)
1870       (wl-summary-update-modeline)
1871       (wl-summary-folder-info-update))))
1872
1873 (defun wl-summary-update-status-marks (beg end &optional check)
1874   "Synchronize status marks on current buffer to the msgdb."
1875   (interactive "r")
1876   (save-excursion
1877     (goto-char beg)
1878     (while (and (< (point) end) (not (eobp)))
1879       (when (or (not check)
1880                 (wl-summary-persistent-mark-invalid-p))
1881         (wl-summary-update-persistent-mark))
1882       (forward-line 1))))
1883
1884 (defun wl-summary-update-mark-window (&optional win beg)
1885   "Update persistent mark in visible summary window.
1886 This function is defined for `window-scroll-functions'"
1887   (with-current-buffer (window-buffer win)
1888     (when (eq major-mode 'wl-summary-mode)
1889       (let ((start (window-start win))
1890             (end (condition-case nil
1891                      (window-end win t) ; old emacsen doesn't support 2nd arg.
1892                    (error (window-end win)))))
1893         (wl-summary-update-status-marks start end 'check)))))
1894
1895 (defun wl-summary-insert-message (&rest args)
1896   (if (eq wl-summary-buffer-view 'thread)
1897       (apply 'wl-summary-insert-thread args)
1898     (apply 'wl-summary-insert-sequential args)))
1899
1900 (defun wl-summary-sort (reverse)
1901   "Sort summary lines into the selected order; argument means descending order."
1902   (interactive "P")
1903   (wl-summary-rescan
1904    (completing-read
1905     (format "%s by (%s): "
1906             (if reverse "Reverse sort" "Sort")
1907             (symbol-name wl-summary-default-sort-spec))
1908     (mapcar (lambda (spec)
1909               (list (symbol-name spec)))
1910             wl-summary-sort-specs)
1911     nil t nil nil (symbol-name wl-summary-default-sort-spec))
1912    reverse))
1913
1914 (defun wl-summary-get-available-flags (&optional include-specials)
1915   (let ((flags (elmo-uniq-list
1916                 (append elmo-global-flags
1917                         (copy-sequence elmo-preserved-flags))
1918                 #'delq)))
1919     (if include-specials
1920         flags
1921       (delq 'new (delq 'cached flags)))))
1922
1923 (defun wl-summary-sync-marks ()
1924   "Update persistent marks in summary."
1925   (interactive)
1926   (let ((mes "Updated ")
1927         diff diffs)
1928     (message "Updating marks...")
1929     (dolist (flag (wl-summary-get-available-flags))
1930       (setq diff (elmo-list-diff (elmo-folder-list-flagged
1931                                   wl-summary-buffer-elmo-folder
1932                                   flag)
1933                                  (elmo-folder-list-flagged
1934                                   wl-summary-buffer-elmo-folder
1935                                   flag 'in-msgdb)))
1936       (setq diffs (cadr diff))
1937       (setq mes (concat mes (format "-%d" (length diffs))))
1938       (when diffs
1939         (wl-summary-unset-persistent-mark flag diffs 'no-modeline 'no-server))
1940       (setq diffs (car diff)
1941             mes (concat mes (format "/+%d %s " (length diffs) flag)))
1942       (when diffs
1943         (wl-summary-set-persistent-mark flag diffs 'no-modeline 'no-server)))
1944     (if (interactive-p) (message "%s" mes))))
1945
1946 (defun wl-summary-sync-update (&optional unset-cursor
1947                                          disable-killed
1948                                          sync-all
1949                                          no-check)
1950   "Update the summary view to the newest folder status."
1951   (interactive)
1952   (let* ((folder wl-summary-buffer-elmo-folder)
1953          (elmo-mime-charset wl-summary-buffer-mime-charset)
1954          (inhibit-read-only t)
1955          (buffer-read-only nil)
1956          gc-message                     ; for XEmacs
1957          crossed expunged mes)
1958     (unwind-protect
1959         (progn
1960           (unless wl-summary-buffer-elmo-folder
1961             (error "(Internal error) Folder is not set:%s" (buffer-name
1962                                                             (current-buffer))))
1963           ;; Flush pending append operations (disconnected operation).
1964           ;;(setq seen-list
1965           ;;(wl-summary-flush-pending-append-operations seen-list))
1966           (goto-char (point-max))
1967           (wl-folder-confirm-existence folder (elmo-folder-plugged-p folder))
1968           (setq crossed (elmo-folder-synchronize folder
1969                                                  disable-killed
1970                                                  sync-all
1971                                                  no-check))
1972           (if crossed
1973               (let ((wl-summary-highlight
1974                      (and wl-summary-highlight
1975                           (not wl-summary-lazy-highlight)))
1976                     append-list delete-list
1977                     update-thread update-top-list
1978                     num diff entity
1979                     (i 0))
1980                 ;; Setup sync-all
1981                 (if sync-all (wl-summary-sync-all-init))
1982                 (setq diff (elmo-list-diff (elmo-folder-list-messages
1983                                             folder
1984                                             (not disable-killed)
1985                                             'in-msgdb)
1986                                            wl-summary-buffer-number-list))
1987                 (setq append-list (sort (car diff) #'<))
1988                 (setq delete-list (cadr diff))
1989
1990                 (when delete-list
1991                   (wl-summary-delete-messages-on-buffer delete-list))
1992                 (unless wl-summary-lazy-update-mark
1993                   (wl-summary-update-status-marks (point-min) (point-max)))
1994                 (when (and wl-summary-lazy-highlight
1995                            wl-summary-lazy-update-mark)
1996                   (let (buffer-read-only)
1997                     (put-text-property (point-min) (point-max) 'face nil)))
1998                 (setq num (length append-list))
1999                 (setq wl-summary-delayed-update nil)
2000                 (elmo-kill-buffer wl-summary-search-buf-name)
2001                 (dolist (number append-list)
2002                   (setq entity (elmo-message-entity folder number))
2003                   (when (setq update-thread
2004                               (wl-summary-insert-message
2005                                entity folder
2006                                (not sync-all)))
2007                     (wl-append update-top-list update-thread))
2008                   (if elmo-use-database
2009                       (elmo-database-msgid-put
2010                        (elmo-message-entity-field entity 'message-id)
2011                        (elmo-folder-name-internal folder)
2012                        (elmo-message-entity-number entity)))
2013                   (when (> num elmo-display-progress-threshold)
2014                     (setq i (+ i 1))
2015                     (if (or (zerop (% i 5)) (= i num))
2016                         (elmo-display-progress
2017                          'wl-summary-sync-update
2018                          (if (eq wl-summary-buffer-view 'thread)
2019                              "Making thread..."
2020                            "Inserting message...")
2021                          (/ (* i 100) num)))))
2022                 (when wl-summary-delayed-update
2023                   (while wl-summary-delayed-update
2024                     (message "Parent (%d) of message %d is no entity"
2025                              (caar wl-summary-delayed-update)
2026                              (elmo-message-entity-number
2027                               (cdar wl-summary-delayed-update)))
2028                     (when (setq update-thread
2029                                 (wl-summary-insert-message
2030                                  (cdar wl-summary-delayed-update)
2031                                  wl-summary-buffer-elmo-folder
2032                                  (not sync-all) t))
2033                       (wl-append update-top-list update-thread))
2034                     (setq wl-summary-delayed-update
2035                           (cdr wl-summary-delayed-update))))
2036                 (when (and (eq wl-summary-buffer-view 'thread)
2037                            update-top-list)
2038                   (wl-thread-update-indent-string-thread
2039                    (elmo-uniq-list update-top-list)))
2040                 (message (if (eq wl-summary-buffer-view 'thread)
2041                              "Making thread...done"
2042                            "Inserting message...done"))
2043                 (when (or delete-list append-list)
2044                   (wl-summary-set-message-modified))
2045                 (when (and sync-all (eq wl-summary-buffer-view 'thread))
2046                   (elmo-kill-buffer wl-summary-search-buf-name)
2047                   (message "Inserting message...")
2048                   (wl-thread-insert-top)
2049                   (message "Inserting message...done"))
2050                 (if elmo-use-database
2051                     (elmo-database-close))
2052                 (run-hooks 'wl-summary-sync-updated-hook)
2053                 (setq mes
2054                       (if (and (eq (length delete-list) 0)
2055                                (eq num 0))
2056                           (format
2057                            "No updates for \"%s\"" (elmo-folder-name-internal
2058                                                     folder))
2059                         (format "Updated (-%d/+%d) message(s)"
2060                                 (length delete-list) num))))
2061             (setq mes "Quit updating")))
2062       ;; synchronize marks.
2063       (if (and crossed wl-summary-auto-sync-marks)
2064           (wl-summary-sync-marks))
2065       ;; scoring
2066       (when wl-use-scoring
2067         (setq wl-summary-scored nil)
2068         (wl-summary-score-headers (and sync-all
2069                                        (wl-summary-rescore-msgs
2070                                         wl-summary-buffer-number-list))
2071                                   sync-all)
2072         (when (and wl-summary-scored
2073                    (setq expunged (wl-summary-score-update-all-lines)))
2074           (setq mes (concat mes
2075                             (format " (%d expunged)"
2076                                     (length expunged))))))
2077       (if (and crossed (> crossed 0))
2078           (setq mes
2079                 (if mes
2080                     (concat mes
2081                             (format " (%d crosspost)" crossed))
2082                   (format "%d crosspost message(s)" crossed)))
2083         (and mes (setq mes (concat mes "."))))
2084       ;; Update Folder mode
2085       (wl-folder-set-folder-updated
2086        (elmo-folder-name-internal folder)
2087        (list 0
2088              (or (cdr (assq 'unread (wl-summary-count-unread))) 0)
2089              (elmo-folder-length folder)))
2090       (wl-summary-update-modeline)
2091       ;;
2092       (unless unset-cursor
2093         (goto-char (point-min))
2094         (if (not (wl-summary-cursor-down t))
2095             (progn
2096               (goto-char (point-max))
2097               (forward-line -1))
2098           (when (and wl-summary-highlight
2099                      (not wl-summary-lazy-highlight)
2100                      (not (get-text-property (point) 'face)))
2101             (save-excursion
2102               (forward-line (- 0
2103                                (or
2104                                 wl-summary-partial-highlight-above-lines
2105                                 wl-summary-highlight-partial-threshold)))
2106               (wl-highlight-summary (point) (point-max))))))
2107       (wl-delete-all-overlays)
2108       (run-hooks 'wl-summary-buffer-window-scroll-functions)
2109       (set-buffer-modified-p nil)
2110       (if mes (message "%s" mes)))))
2111
2112 (defun wl-summary-set-score-mark (mark)
2113   (save-excursion
2114     (beginning-of-line)
2115     (let ((cur-mark (wl-summary-temp-mark)))
2116       (when (member cur-mark (list " "
2117                                    wl-summary-score-below-mark
2118                                    wl-summary-score-over-mark))
2119         (wl-summary-put-temp-mark mark)
2120         (if wl-summary-highlight
2121             (wl-highlight-summary-current-line))
2122         (set-buffer-modified-p nil)))))
2123
2124 (defun wl-summary-get-score-mark (msg-num)
2125   (let ((score (cdr (assq msg-num wl-summary-scored))))
2126     (if score
2127         (cond ((< score wl-summary-default-score)
2128                "-")
2129               ((> score wl-summary-default-score)
2130                "+")))))
2131
2132 (defun wl-summary-update-modeline ()
2133   (setq wl-summary-buffer-mode-line
2134         (funcall wl-summary-buffer-mode-line-formatter)))
2135
2136 (defun wl-summary-jump-to-msg (&optional number beg end)
2137   (interactive "NJump to Message (No.): ")
2138   (when number
2139     (let ((pos (point))
2140           regexp)
2141       (setq regexp (concat "\r" (int-to-string number) "[^0-9]"))
2142       (if (and beg end (or (< pos beg) (< end pos)))
2143           (progn
2144             (goto-char beg)
2145             (if (re-search-forward regexp end t)
2146                 (progn (backward-char 1) (beginning-of-line) t)
2147               (goto-char pos)
2148               nil))
2149         (beginning-of-line)
2150         (if (or (and (re-search-forward regexp end t)
2151                      (progn (backward-char 1) t))
2152                 (re-search-backward regexp beg t))
2153             (progn (beginning-of-line) t)
2154           nil)))))
2155
2156 (defun wl-summary-highlight-msgs (msgs)
2157   (save-excursion
2158     (let ((len (length msgs))
2159           i)
2160       (message "Hilighting...")
2161       (setq i 0)
2162       (while msgs
2163         (if (wl-summary-jump-to-msg (car msgs))
2164             (wl-highlight-summary-current-line))
2165         (setq msgs (cdr msgs))
2166         (when (> len elmo-display-progress-threshold)
2167           (setq i (+ i 1))
2168           (if (or (zerop (% i 5)) (= i len))
2169               (elmo-display-progress
2170                'wl-summary-highlight-msgs "Highlighting..."
2171                (/ (* i 100) len)))))
2172       (message "Highlighting...done"))))
2173
2174 (defun wl-summary-message-number ()
2175   (save-excursion
2176     (beginning-of-line)
2177     (if (or (re-search-forward "\r\\(-?[0-9]+\\)" (point-at-eol) t)
2178             (re-search-forward "^ *\\(-?[0-9]+\\)" (point-at-eol) t))
2179         (string-to-int (wl-match-buffer 1))
2180       nil)))
2181
2182 (defun wl-summary-delete-all-msgs ()
2183   (interactive)
2184   (let ((cur-buf (current-buffer))
2185         (dels (elmo-folder-list-messages wl-summary-buffer-elmo-folder)))
2186     (set-buffer cur-buf)
2187     (if (null dels)
2188         (message "No message to delete.")
2189       (if (y-or-n-p (format "%s has %d message(s).  Delete all? "
2190                             (wl-summary-buffer-folder-name)
2191                             (length dels)))
2192           (progn
2193             (message "Deleting...")
2194             (elmo-folder-move-messages wl-summary-buffer-elmo-folder dels
2195                                        'null)
2196             (wl-summary-set-message-modified)
2197             (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
2198                                           (list 0 0 0))
2199 ;;; for thread.
2200 ;;;         (setq wl-thread-top-entity '(nil t nil nil))
2201             (setq wl-summary-buffer-unread-count 0)
2202             (setq wl-summary-buffer-new-count    0)
2203             (wl-summary-update-modeline)
2204             (set-buffer cur-buf)
2205             (let ((inhibit-read-only t)
2206                   (buffer-read-only nil))
2207               (erase-buffer))
2208 ;;;         (if wl-summary-cache-use (wl-summary-save-view-cache))
2209             (message "Deleting...done")
2210             t)
2211         nil))))
2212
2213 (defun wl-summary-toggle-thread (&optional arg)
2214   "Toggle thread status (T)hread and (S)equential.
2215 If ARG, without confirm."
2216   (interactive "P")
2217   (when (or arg
2218             (y-or-n-p (format "Toggle threading? (y=%s): "
2219                               (if (eq wl-summary-buffer-view 'thread)
2220                                   "\"off\"" "\"on\""))))
2221     (if (eq wl-summary-buffer-view 'thread)
2222         (setq wl-summary-buffer-view 'sequence)
2223       (setq wl-summary-buffer-view 'thread))
2224     (wl-summary-update-modeline)
2225     (force-mode-line-update)
2226     (wl-summary-rescan nil nil nil t)))
2227
2228 (defun wl-summary-load-file-object (filename)
2229   "Load lisp object from dir."
2230   (with-temp-buffer
2231     (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
2232           insert-file-contents-post-hook
2233           ret-val)
2234       (if (not (file-readable-p filename))
2235           ()
2236         (as-binary-input-file (insert-file-contents filename))
2237         (condition-case nil
2238             (read (current-buffer))
2239           (error (error "Reading failed")))))))
2240
2241 (defun wl-summary-goto-folder (&optional arg)
2242   (interactive "P")
2243   (wl-summary-goto-folder-subr nil nil nil nil t nil arg))
2244
2245 (defun wl-summary-goto-folder-sticky ()
2246   (interactive)
2247   (wl-summary-goto-folder-subr nil nil nil t t))
2248
2249 (defun wl-summary-goto-last-visited-folder ()
2250   (interactive)
2251   (let ((entity
2252          (wl-folder-search-entity-by-name wl-summary-last-visited-folder
2253                                           wl-folder-entity
2254                                           'folder)))
2255     (if entity (wl-folder-set-current-entity-id
2256                 (wl-folder-get-entity-id entity))))
2257   (wl-summary-goto-folder-subr wl-summary-last-visited-folder nil nil nil t))
2258
2259 (defun wl-summary-sticky-p (&optional folder)
2260   (if folder
2261       (get-buffer (wl-summary-sticky-buffer-name
2262                    (elmo-folder-name-internal folder)))
2263     (not (string= wl-summary-buffer-name (buffer-name)))))
2264
2265 (defun wl-summary-always-sticky-folder-p (folder)
2266   (or (eq t wl-summary-always-sticky-folder-list)
2267       (wl-string-match-member
2268        (elmo-folder-name-internal folder)
2269        wl-summary-always-sticky-folder-list)))
2270
2271 (defun wl-summary-stick (&optional force)
2272   "Make current summary buffer sticky."
2273   (interactive "P")
2274   (if (wl-summary-sticky-p)
2275       (message "Current summary buffer is already sticky.")
2276     (when (or force (y-or-n-p "Stick current summary buffer? "))
2277       (wl-summary-toggle-disp-msg 'off)
2278       (wl-summary-switch-to-clone-buffer
2279        (wl-summary-sticky-buffer-name
2280         (wl-summary-buffer-folder-name)))
2281 ;;; ???hang up
2282 ;;;   (rename-buffer (wl-summary-sticky-buffer-name
2283 ;;;                   (wl-summary-buffer-folder-name))))
2284       (message "Folder `%s' is now sticky." (wl-summary-buffer-folder-name)))))
2285
2286 (defun wl-summary-switch-to-clone-buffer (buffer-name)
2287   (let ((cur-buf (current-buffer))
2288         (msg (wl-summary-message-number))
2289         (buf (get-buffer-create buffer-name))
2290         (folder wl-summary-buffer-elmo-folder)
2291         (copy-variables
2292          (append '(wl-summary-buffer-view
2293                    wl-summary-buffer-temp-mark-list
2294                    wl-summary-buffer-target-mark-list
2295                    wl-summary-buffer-elmo-folder
2296                    wl-summary-buffer-number-column
2297                    wl-summary-buffer-temp-mark-column
2298                    wl-summary-buffer-persistent-mark-column
2299                    wl-summary-buffer-message-modified
2300                    wl-summary-buffer-thread-modified
2301                    wl-summary-buffer-number-list
2302                    wl-summary-buffer-persistent-mark-version
2303                    wl-summary-buffer-folder-name
2304                    wl-summary-buffer-line-formatter)
2305                  (and (eq wl-summary-buffer-view 'thread)
2306                       '(wl-thread-entity-hashtb
2307                         wl-thread-entities
2308                         wl-thread-entity-list))
2309                  (and wl-use-scoring
2310                       '(wl-summary-scored
2311                         wl-summary-default-score
2312                         wl-summary-important-above
2313                         wl-summary-target-above
2314                         wl-summary-mark-below
2315                         wl-summary-expunge-below))
2316                  (and (featurep 'wl-score)
2317                       '(wl-current-score-file
2318                         wl-score-alist)))))
2319     (set-buffer buf)
2320     (wl-summary-mode)
2321     (wl-summary-buffer-set-folder folder)
2322     (let ((buffer-read-only nil))
2323       (insert-buffer cur-buf))
2324     (set-buffer-modified-p nil)
2325     (while copy-variables
2326       (set (car copy-variables)
2327            (save-excursion
2328              (set-buffer cur-buf)
2329              (symbol-value (car copy-variables))))
2330       (setq copy-variables (cdr copy-variables)))
2331     (switch-to-buffer buf)
2332     (kill-buffer cur-buf)
2333     (wl-summary-count-unread)
2334     (wl-summary-update-modeline)
2335     (if msg
2336         (if (eq wl-summary-buffer-view 'thread)
2337             (wl-thread-jump-to-msg msg)
2338           (wl-summary-jump-to-msg msg))
2339       (goto-char (point-max))
2340       (beginning-of-line))))
2341
2342 (defun wl-summary-get-buffer (folder)
2343   (or (and folder
2344            (get-buffer (wl-summary-sticky-buffer-name folder)))
2345       (get-buffer wl-summary-buffer-name)))
2346
2347 (defun wl-summary-get-buffer-create (name &optional force-sticky)
2348   (if force-sticky
2349       (get-buffer-create
2350        (wl-summary-sticky-buffer-name name))
2351     (or (get-buffer (wl-summary-sticky-buffer-name name))
2352         (get-buffer-create wl-summary-buffer-name))))
2353
2354 (defun wl-summary-make-number-list ()
2355   (save-excursion
2356     (goto-char (point-min))
2357     (setq wl-summary-buffer-number-list nil)
2358     (while (not (eobp))
2359       (setq wl-summary-buffer-number-list
2360             (cons (wl-summary-message-number)
2361                   wl-summary-buffer-number-list))
2362       (forward-line 1))
2363     (setq wl-summary-buffer-number-list
2364           (nreverse wl-summary-buffer-number-list))))
2365
2366 (defun wl-summary-auto-select-msg-p (unread-msg)
2367   (and unread-msg
2368        (not (elmo-message-has-global-flag-p
2369              wl-summary-buffer-elmo-folder unread-msg))))
2370
2371 (defsubst wl-summary-open-folder (folder)
2372   ;; Select folder
2373   (let ((elmo-mime-charset wl-summary-buffer-mime-charset))
2374     (unwind-protect
2375         (elmo-folder-open folder 'load-msgdb)
2376       ;; For compatibility
2377       (setq wl-summary-buffer-folder-name (elmo-folder-name-internal
2378                                            folder)))))
2379
2380 (defun wl-summary-goto-folder-subr (&optional name scan-type other-window
2381                                               sticky interactive scoring
2382                                               force-exit)
2383   "Display target folder on summary."
2384   (interactive)
2385   (let* ((keep-cursor (memq this-command
2386                             wl-summary-keep-cursor-command))
2387          (name (or name (wl-summary-read-folder wl-default-folder)))
2388          (cur-fld wl-summary-buffer-elmo-folder)
2389          folder buf mes hilit reuse-buf
2390          retval entity)
2391     (if (string= name "")
2392         (setq name wl-default-folder))
2393     (setq folder (wl-folder-get-elmo-folder name))
2394     (when (and (not (string=
2395                      (and cur-fld (elmo-folder-name-internal cur-fld))
2396                      (elmo-folder-name-internal folder))) ; folder is moved.
2397                (eq major-mode 'wl-summary-mode)) ; called in summary.
2398       (setq wl-summary-last-visited-folder (wl-summary-buffer-folder-name))
2399       (run-hooks 'wl-summary-exit-pre-hook)
2400       (if (or force-exit (not (wl-summary-sticky-p)))
2401           (wl-summary-cleanup-temp-marks))
2402       (wl-summary-save-view)
2403       (elmo-folder-commit wl-summary-buffer-elmo-folder)
2404       (if (and (wl-summary-sticky-p) force-exit)
2405           (kill-buffer (current-buffer))))
2406     (setq buf (wl-summary-get-buffer-create (elmo-folder-name-internal folder)
2407                                             sticky))
2408     (setq reuse-buf
2409           (save-excursion
2410             (set-buffer buf)
2411             (string= (elmo-folder-name-internal folder)
2412                      (wl-summary-buffer-folder-name))))
2413     (unwind-protect
2414         (if reuse-buf
2415             (if interactive
2416                 (switch-to-buffer buf)
2417               (set-buffer buf))
2418           (if other-window
2419               (delete-other-windows))
2420           (set-buffer buf)
2421           (unless (eq major-mode 'wl-summary-mode)
2422             (wl-summary-mode))
2423           (wl-summary-buffer-set-folder folder)
2424           (setq wl-summary-buffer-display-mime-mode
2425                 (if (wl-summary-no-mime-p wl-summary-buffer-elmo-folder)
2426                     'as-is
2427                   'mime))
2428           (setq wl-summary-buffer-disp-msg nil)
2429           (setq wl-summary-buffer-last-displayed-msg nil)
2430           (setq wl-summary-buffer-current-msg nil)
2431           (setq wl-summary-buffer-persistent-mark-version 0)
2432           (let ((inhibit-read-only t)
2433                 (buffer-read-only nil))
2434             (erase-buffer)
2435             ;; Resume summary view
2436             (if wl-summary-cache-use
2437                 (let* ((dir (elmo-folder-msgdb-path folder))
2438                        (cache (expand-file-name wl-summary-cache-file dir))
2439                        (view (expand-file-name wl-summary-view-file dir)))
2440                   (when (file-exists-p cache)
2441                     (insert-file-contents-as-binary cache)
2442                     (set-buffer-multibyte
2443                      default-enable-multibyte-characters)
2444                     (decode-mime-charset-region
2445                      (point-min)(point-max)
2446                      wl-summary-buffer-mime-charset 'LF))
2447                   (if (file-exists-p view)
2448                       (setq wl-summary-buffer-view
2449                             (wl-summary-load-file-object view))
2450                     (setq wl-summary-buffer-view
2451                           (or (wl-get-assoc-list-value
2452                                wl-summary-default-view-alist
2453                                (elmo-folder-name-internal folder))
2454                               wl-summary-default-view)))
2455                   (wl-thread-resume-entity folder)
2456                   (wl-summary-open-folder folder)
2457                   (wl-summary-detect-mark-position))
2458               (setq wl-summary-buffer-view
2459                     (wl-summary-load-file-object
2460                      (expand-file-name wl-summary-view-file
2461                                        (elmo-folder-msgdb-path folder))))
2462               (wl-summary-open-folder folder)
2463               (wl-summary-detect-mark-position)
2464               (wl-summary-rescan))
2465             (wl-summary-count-unread)
2466             (wl-summary-update-modeline)))
2467       (unless (eq wl-summary-buffer-view 'thread)
2468         (wl-summary-make-number-list))
2469       (when (and wl-summary-cache-use
2470                  (or (and wl-summary-check-line-format
2471                           (wl-summary-line-format-changed-p))
2472                      (wl-summary-view-old-p)))
2473         (wl-summary-rescan))
2474       (wl-summary-toggle-disp-msg (if wl-summary-buffer-disp-msg 'on 'off))
2475       (unless (and reuse-buf keep-cursor)
2476         (unwind-protect
2477             (let ((wl-use-scoring
2478                    (if (or scoring interactive) wl-use-scoring)))
2479               (if (and (not scan-type)
2480                        interactive
2481                        (not wl-ask-range))
2482                   (setq scan-type (wl-summary-get-sync-range folder)))
2483               (cond
2484                ((eq scan-type nil)
2485                 (wl-summary-sync 'unset-cursor))
2486                ((eq scan-type 'all)
2487                 (wl-summary-sync 'unset-cursor "all"))
2488                ((eq scan-type 'no-sync))
2489                ((eq scan-type 'rescan)
2490                 (wl-summary-rescan))
2491                ((or (eq scan-type 'force-update)
2492                     (eq scan-type 'update))
2493                 (setq mes (wl-summary-sync-force-update
2494                            'unset-cursor)))))
2495           (if interactive
2496               (switch-to-buffer buf)
2497             (set-buffer buf))
2498           ;; stick always-sticky-folder
2499           (when (wl-summary-always-sticky-folder-p folder)
2500             (or (wl-summary-sticky-p) (wl-summary-stick t)))
2501           (run-hooks 'wl-summary-prepared-pre-hook)
2502           (set-buffer-modified-p nil)
2503           (goto-char (point-min))
2504           (if (wl-summary-cursor-down t)
2505               (let ((unreadp (wl-summary-next-message
2506                               (wl-summary-message-number)
2507                               'down t)))
2508                 (cond ((and wl-auto-select-first
2509                             (wl-summary-auto-select-msg-p unreadp))
2510                        ;; wl-auto-select-first is non-nil and
2511                        ;; unreadp is non-nil but not flagged
2512                        (setq retval 'disp-msg))
2513                       ((and wl-auto-prefetch-first
2514                             (wl-summary-auto-select-msg-p unreadp))
2515                        ;; wl-auto-select-first is non-nil and
2516                        ;; unreadp is non-nil but not flagged
2517                        (setq retval 'prefetch-msg))
2518                       ((not (wl-summary-auto-select-msg-p unreadp))
2519                        ;; unreadp is nil or flagged
2520                        (setq retval 'more-next))))
2521             (goto-char (point-max))
2522             (if (elmo-folder-plugged-p folder)
2523                 (forward-line -1)
2524               (wl-summary-prev))
2525             (setq retval 'more-next))
2526           (if (and wl-summary-highlight
2527                    (not wl-summary-lazy-highlight)
2528                    (not reuse-buf))
2529               (if (and wl-summary-highlight-partial-threshold
2530                        (> (count-lines (point-min) (point-max))
2531                           wl-summary-highlight-partial-threshold))
2532                   (save-excursion
2533                     (forward-line (-
2534                                    0
2535                                    (or
2536                                     wl-summary-partial-highlight-above-lines
2537                                     wl-summary-highlight-partial-threshold)))
2538                     (wl-highlight-summary (point) (point-max)))
2539                 (wl-highlight-summary (point-min) (point-max))))
2540           (if (eq retval 'disp-msg)
2541               (wl-summary-redisplay))
2542           (if (eq retval 'prefetch-msg)
2543               (wl-message-buffer-prefetch
2544                folder
2545                (wl-summary-message-number)
2546                (min (or wl-message-buffer-prefetch-depth 0)
2547                     (1- wl-message-buffer-cache-size))
2548                (current-buffer)
2549                wl-summary-buffer-mime-charset))
2550           (if mes (message "%s" mes))
2551           (if (and interactive wl-summary-recenter)
2552               (recenter (/ (- (window-height) 2) 2))))))
2553     ;; set current entity-id
2554     (when (and folder
2555                (setq entity
2556                      (wl-folder-search-entity-by-name
2557                       (elmo-folder-name-internal folder)
2558                       wl-folder-entity
2559                       'folder)))
2560       ;; entity-id is unknown.
2561       (wl-folder-set-current-entity-id
2562        (wl-folder-get-entity-id entity)))
2563     (when (and wl-summary-buffer-window-scroll-functions
2564                wl-on-xemacs)
2565       (sit-for 0))
2566     (when (or (eq t wl-summary-force-prefetch-folder-list)
2567               (wl-string-match-member
2568                (elmo-folder-name-internal wl-summary-buffer-elmo-folder)
2569                wl-summary-force-prefetch-folder-list))
2570       (wl-summary-force-prefetch))
2571     (unwind-protect
2572         (run-hooks 'wl-summary-prepared-hook)
2573       (set-buffer-modified-p nil))
2574     retval))
2575
2576 (defun wl-summary-goto-previous-message-beginning ()
2577   (end-of-line)
2578   (re-search-backward "\r\\(-?[0-9]+\\)" nil t)
2579   (beginning-of-line))
2580
2581 (defun wl-summary-goto-top-of-current-thread ()
2582   (wl-summary-jump-to-msg
2583    (wl-thread-entity-get-number
2584     (wl-thread-entity-get-top-entity (wl-thread-get-entity
2585                                       (wl-summary-message-number))))))
2586
2587 (defun wl-summary-goto-bottom-of-sub-thread (&optional depth)
2588   (interactive)
2589   (let ((depth (or depth
2590                    (wl-thread-get-depth-of-current-line))))
2591     (forward-line 1)
2592     (while (and (not (eobp))
2593                 (>= (wl-thread-get-depth-of-current-line)
2594                     depth))
2595       (forward-line 1))
2596     (beginning-of-line)))
2597
2598 (defun wl-summary-insert-line (line)
2599   "Insert LINE in the Summary."
2600   (if wl-use-highlight-mouse-line
2601       ;; remove 'mouse-face of current line.
2602       (put-text-property
2603        (save-excursion (beginning-of-line)(point))
2604        (save-excursion (end-of-line)(point))
2605        'mouse-face nil))
2606   (insert line "\n")
2607   (save-excursion
2608     (forward-line -1)
2609     (let* ((number (wl-summary-message-number))
2610            (mark-info (wl-summary-registered-temp-mark number)))
2611       (when (and mark-info (nth 2 mark-info))
2612         (wl-summary-print-argument number (nth 2 mark-info)))))
2613   (if wl-use-highlight-mouse-line
2614       ;; remove 'mouse-face of current line.
2615       (put-text-property
2616        (save-excursion (beginning-of-line)(point))
2617        (save-excursion (end-of-line)(point))
2618        'mouse-face nil))
2619   (ignore-errors
2620     (run-hooks 'wl-summary-line-inserted-hook)))
2621
2622 (defun wl-summary-insert-sequential (entity folder &rest args)
2623   (when entity
2624     (let ((inhibit-read-only t)
2625           (number (elmo-message-entity-number entity))
2626           buffer-read-only)
2627       (goto-char (point-max))
2628       (wl-summary-insert-line
2629        (wl-summary-create-line entity nil nil
2630                                (elmo-message-flags
2631                                 wl-summary-buffer-elmo-folder
2632                                 number)
2633                                (elmo-message-cached-p
2634                                 wl-summary-buffer-elmo-folder
2635                                 number)))
2636       (setq wl-summary-buffer-number-list
2637             (wl-append wl-summary-buffer-number-list
2638                        (list (elmo-message-entity-number entity))))
2639       nil)))
2640
2641 (defun wl-summary-default-subject-filter (subject)
2642   (setq subject (elmo-replace-in-string subject "[ \t]*\\(re\\|was\\)[:>]" ""))
2643   (setq subject (elmo-replace-in-string subject "[ \t]" ""))
2644   (elmo-replace-in-string subject "^\\[[^]]*\\]" ""))
2645
2646 (defun wl-summary-subject-equal (subject1 subject2)
2647   (string= (funcall wl-summary-subject-filter-function subject1)
2648            (funcall wl-summary-subject-filter-function subject2)))
2649
2650 (defmacro wl-summary-put-alike (alike)
2651   (` (elmo-set-hash-val (format "#%d" (wl-count-lines))
2652                         (, alike)
2653                         wl-summary-alike-hashtb)))
2654
2655 (defmacro wl-summary-get-alike ()
2656   (` (elmo-get-hash-val (format "#%d" (wl-count-lines))
2657                         wl-summary-alike-hashtb)))
2658
2659 (defun wl-summary-insert-headers (folder func &optional mime-decode)
2660   (let ((numbers (elmo-folder-list-messages folder 'visible t))
2661         ov this last alike)
2662     (buffer-disable-undo (current-buffer))
2663     (make-local-variable 'wl-summary-alike-hashtb)
2664     (setq wl-summary-alike-hashtb (elmo-make-hash (* (length numbers) 2)))
2665     (when mime-decode
2666       (set-buffer-multibyte default-enable-multibyte-characters))
2667     (while (setq ov (elmo-message-entity folder (pop numbers)))
2668       (setq this (funcall func ov))
2669       (and this (setq this (std11-unfold-string this)))
2670       (if (equal last this)
2671           (setq alike (cons ov alike))
2672         (when last
2673           (wl-summary-put-alike alike)
2674           (insert last ?\n))
2675         (setq alike (list ov)
2676               last this)))
2677     (when last
2678       (wl-summary-put-alike alike)
2679       (insert last ?\n))
2680     (when mime-decode
2681       (decode-mime-charset-region (point-min) (point-max)
2682                                   elmo-mime-charset)
2683       (when (eq mime-decode 'mime)
2684         (eword-decode-region (point-min) (point-max))))
2685     (run-hooks 'wl-summary-insert-headers-hook)))
2686
2687 (defun wl-summary-search-by-subject (entity folder)
2688   (let ((summary-buf (current-buffer))
2689         (buf (get-buffer-create wl-summary-search-buf-name))
2690         (folder-name (wl-summary-buffer-folder-name))
2691         match founds result)
2692     (with-current-buffer buf
2693       (let ((case-fold-search t))
2694         (when (or (not (string= wl-summary-search-buf-folder-name folder-name))
2695                   (zerop (buffer-size)))
2696           (setq wl-summary-search-buf-folder-name folder-name)
2697           (message "Creating subject cache...")
2698           (wl-summary-insert-headers
2699            folder
2700            (function
2701             (lambda (x)
2702               (funcall wl-summary-subject-filter-function
2703                        (elmo-message-entity-field x 'subject)))))
2704           (message "Creating subject cache...done"))
2705         (setq match (funcall wl-summary-subject-filter-function
2706                              (elmo-message-entity-field entity 'subject)))
2707         (if (string= match "")
2708             (setq match "\n"))
2709         (goto-char (point-max))
2710         (while (and (null result)
2711                     (not (= (point) (point-min)))
2712                     (search-backward match nil t))
2713           ;; check exactly match
2714           (when (and (bolp) (= (point-at-eol)(match-end 0)))
2715             (setq founds (wl-summary-get-alike))
2716             (with-current-buffer summary-buf
2717               (while founds
2718                 (when (and
2719                        ;; the first element of found-entity list exists on
2720                        ;; thread tree.
2721                        (wl-thread-get-entity
2722                         (elmo-message-entity-number (car founds)))
2723                        ;; message id is not same as myself.
2724                        (not (string=
2725                              (elmo-message-entity-field entity 'message-id)
2726                              (elmo-message-entity-field (car founds)
2727                                                         'message-id)))
2728                        ;; not a descendant.
2729                        (not (wl-thread-descendant-p
2730                              (elmo-message-entity-number entity)
2731                              (elmo-message-entity-number (car founds)))))
2732                   (setq result (car founds)
2733                         founds nil))
2734                 (setq founds (cdr founds))))))
2735         result))))
2736
2737 (defun wl-summary-insert-thread (entity folder update
2738                                         &optional force-insert)
2739   (let ((depth 0)
2740         this-id parent-entity parent-number
2741         number cur-entity linked retval delayed-entity
2742         update-list entity-stack thread-entity)
2743     (while entity
2744       (setq this-id (elmo-message-entity-field entity 'message-id)
2745             number (elmo-message-entity-number entity))
2746       (if (and wl-thread-saved-entity-hashtb-internal
2747                (setq thread-entity
2748                      (elmo-get-hash-val
2749                       (format "#%d" (elmo-message-entity-number entity))
2750                       wl-thread-saved-entity-hashtb-internal)))
2751           (setq parent-entity
2752                 (elmo-message-entity
2753                  folder
2754                  (wl-thread-entity-get-parent thread-entity))
2755                 linked (wl-thread-entity-get-linked thread-entity))
2756         (setq parent-entity (elmo-message-entity-parent folder entity)
2757               linked nil))
2758       (setq parent-number (and parent-entity
2759                                (elmo-message-entity-number parent-entity)))
2760       ;; If thread loop detected, set parent as nil.
2761       (let ((cur entity)
2762             anumber relatives)
2763         (while cur
2764           (when (setq anumber
2765                       (elmo-message-entity-number
2766                        (setq cur (elmo-message-entity-parent folder cur))))
2767             (if (memq anumber relatives)
2768                 (setq parent-number nil
2769                       cur nil))
2770             (setq relatives (cons anumber relatives)))))
2771       (if (and parent-number
2772                (not (wl-thread-get-entity parent-number))
2773                (not force-insert))
2774           ;; parent exists in overview, but not in wl-thread-entities
2775           (progn
2776             (wl-append wl-summary-delayed-update
2777                        (list (cons parent-number entity)))
2778             (setq entity nil)) ;; exit loop
2779         ;; Search parent by subject.
2780         (when (and (null parent-number)
2781                    wl-summary-search-parent-by-subject-regexp
2782                    (string-match
2783                     wl-summary-search-parent-by-subject-regexp
2784                     (elmo-message-entity-field entity 'subject)))
2785           (let ((found (wl-summary-search-by-subject entity folder)))
2786             (when (and found
2787                        (not (member found wl-summary-delayed-update)))
2788               (setq parent-entity found)
2789               (setq parent-number
2790                     (elmo-message-entity-number parent-entity))
2791               (setq linked t))))
2792         ;; If subject is change, divide thread.
2793         (if (and parent-number
2794                  wl-summary-divide-thread-when-subject-changed
2795                  (not (wl-summary-subject-equal
2796                        (or (elmo-message-entity-field entity 'subject) "")
2797                        (or (elmo-message-entity-field parent-entity
2798                                                       'subject) ""))))
2799             (setq parent-number nil))
2800         (setq retval
2801               (wl-thread-insert-message entity
2802                                         number parent-number update linked))
2803         (and retval
2804              (wl-append update-list (list retval)))
2805         (setq entity nil) ; exit loop
2806         (while (setq delayed-entity (assq number wl-summary-delayed-update))
2807           (setq wl-summary-delayed-update
2808                 (delq delayed-entity wl-summary-delayed-update))
2809           ;; update delayed message
2810           (wl-append entity-stack (list (cdr delayed-entity)))))
2811       (if (and (not entity)
2812                entity-stack)
2813           (setq entity (pop entity-stack))))
2814     update-list))
2815
2816 (defun wl-summary-update-thread (entity
2817                                  thr-entity
2818                                  parent-entity)
2819   (let* ((this-id (elmo-message-entity-field entity 'message-id))
2820          (overview-entity entity)
2821          (parent-id (elmo-message-entity-field parent-entity 'message-id))
2822          (number (elmo-message-entity-number entity))
2823          (parent-number (elmo-message-entity-number parent-entity))
2824          insert-line)
2825     (cond
2826      ((or (not parent-id)
2827           (string= this-id parent-id))
2828       (goto-char (point-max))
2829       (beginning-of-line)
2830       (setq insert-line t))
2831      ;; parent already exists in buffer.
2832      ((wl-summary-jump-to-msg parent-number)
2833       (wl-thread-goto-bottom-of-sub-thread)
2834       (setq insert-line t)))
2835     (when insert-line
2836       (let (buffer-read-only)
2837         (wl-summary-insert-line
2838          (wl-summary-create-line
2839           entity
2840           parent-entity
2841           nil
2842           (elmo-message-flags wl-summary-buffer-elmo-folder number)
2843           (elmo-message-cached-p wl-summary-buffer-elmo-folder number)
2844           (wl-thread-maybe-get-children-num number)
2845           (wl-thread-make-indent-string thr-entity)
2846           (wl-thread-entity-get-linked thr-entity)))))))
2847
2848 (defun wl-summary-target-mark-msgs (msgs)
2849   "Return the number of marked messages."
2850   (let ((i 0))
2851     (dolist (number msgs)
2852       (when (wl-summary-target-mark number)
2853         (setq i (1+ i))))
2854     i))
2855
2856 (defun wl-summary-pick (&optional from-list delete-marks)
2857   (interactive "i\nP")
2858   (save-excursion
2859     (let* ((messages (or from-list
2860                          (elmo-folder-list-messages
2861                           wl-summary-buffer-elmo-folder
2862                           'visible
2863                           'in-msgdb)
2864                          (error "No messages")))
2865            (condition (car (elmo-parse-search-condition
2866                             (wl-read-search-condition
2867                              wl-summary-pick-field-default))))
2868            (result (elmo-folder-search wl-summary-buffer-elmo-folder
2869                                        condition
2870                                        messages))
2871            num)
2872       (if delete-marks
2873           (let ((mlist wl-summary-buffer-target-mark-list))
2874             (while mlist
2875               (when (wl-summary-jump-to-msg (car mlist))
2876                 (wl-summary-unmark))
2877               (setq mlist (cdr mlist)))
2878             (setq wl-summary-buffer-target-mark-list nil)))
2879       (if (and result
2880                (setq num (wl-summary-target-mark-msgs result))
2881                (> num 0))
2882           (if (= num (length result))
2883               (message "%d message(s) are picked." num)
2884             (message "%d(%d) message(s) are picked." num
2885                      (- (length result) num)))
2886         (message "No message was picked.")))))
2887
2888 (defun wl-summary-unvirtual ()
2889   "Exit from current virtual folder."
2890   (interactive)
2891   (if (eq 'filter
2892           (elmo-folder-type-internal wl-summary-buffer-elmo-folder))
2893       (wl-summary-goto-folder-subr
2894        (elmo-folder-name-internal
2895         (elmo-filter-folder-target-internal
2896          wl-summary-buffer-elmo-folder))
2897        'update nil nil t)
2898     (error "This folder is not filtered")))
2899
2900 (defun wl-summary-virtual (&optional arg)
2901   "Goto virtual folder.
2902 If ARG, exit virtual folder."
2903   (interactive "P")
2904   (if arg
2905       (wl-summary-unvirtual)
2906     (wl-summary-goto-folder-subr (concat "/"
2907                                          (wl-read-search-condition
2908                                           wl-summary-pick-field-default)
2909                                          "/"
2910                                          (wl-summary-buffer-folder-name))
2911                                  'update nil nil t)
2912     (run-hooks 'wl-summary-virtual-hook)))
2913
2914 (defun wl-summary-delete-all-temp-marks (&optional no-msg force)
2915   "Erase all temp marks from buffer."
2916   (interactive)
2917   (when (or wl-summary-buffer-target-mark-list
2918             wl-summary-buffer-temp-mark-list
2919             wl-summary-scored)
2920     (save-excursion
2921       (goto-char (point-min))
2922       (unless no-msg
2923         (message "Unmarking..."))
2924       (while (not (eobp))
2925         (wl-summary-unset-mark nil nil force)
2926         (forward-line 1))
2927       (unless no-msg
2928         (message "Unmarking...done"))
2929       (setq wl-summary-buffer-target-mark-list nil)
2930       (setq wl-summary-buffer-temp-mark-list nil))))
2931
2932 (defsubst wl-summary-temp-mark (&optional number)
2933   "Return temp-mark string of current line."
2934   (let ((number (or number (wl-summary-message-number)))
2935         info)
2936     (or (and (wl-summary-have-target-mark-p number)
2937              "*")
2938         (and (setq info (wl-summary-registered-temp-mark number))
2939              (nth 1 info))
2940         (wl-summary-get-score-mark number)
2941         " ")))
2942
2943 (defun wl-summary-persistent-mark-invalid-p ()
2944   (not
2945    (equal
2946     ;; mey be nil.
2947     (get-text-property (point) 'wl-summary-persistent-mark-version)
2948     wl-summary-buffer-persistent-mark-version)))
2949
2950 (defun wl-summary-validate-persistent-mark (beg end)
2951   (let ((inhibit-read-only t)
2952         (buffer-read-only nil))
2953     (put-text-property beg end
2954                        'wl-summary-persistent-mark-version
2955                        wl-summary-buffer-persistent-mark-version)
2956     (set-buffer-modified-p nil)))
2957
2958 (defun wl-summary-validate-persistent-mark-string (string)
2959   (put-text-property 0 (length string)
2960                      'wl-summary-persistent-mark-version
2961                      wl-summary-buffer-persistent-mark-version
2962                      string))
2963
2964 (defun wl-summary-invalidate-persistent-mark ()
2965   (setq wl-summary-buffer-persistent-mark-version
2966         (1+ wl-summary-buffer-persistent-mark-version)))
2967
2968 (defsubst wl-summary-persistent-mark-string (folder flags cached)
2969   "Return the persistent mark string.
2970 The mark is decided according to the FOLDER, FLAGS and CACHED."
2971   (let ((priorities wl-summary-persistent-mark-priority-list)
2972         mark)
2973     (while (and (null mark) priorities)
2974       (if (and (eq (car priorities) 'flag)
2975                (elmo-get-global-flags flags 'ignore-preserved))
2976           (let ((specs wl-summary-flag-alist)
2977                 spec)
2978             (while (setq spec (car specs))
2979               (if (memq (car spec) flags)
2980                   (setq mark (or (nth 2 spec) wl-summary-flag-mark)
2981                         specs nil)
2982                 (setq specs (cdr specs))))
2983             (unless mark
2984               (setq mark wl-summary-flag-mark)))
2985         (when (memq (car priorities) flags)
2986           (setq mark
2987                 (let ((var
2988                        (intern
2989                         (if cached
2990                             (format
2991                              "wl-summary-%s-cached-mark" (car priorities))
2992                           (format
2993                            "wl-summary-%s-uncached-mark" (car priorities))))))
2994                   (if (and (boundp var)
2995                            (symbol-value var))
2996                       (symbol-value var)
2997                     (if cached
2998                         (downcase (substring (symbol-name (car priorities))
2999                                              0 1))
3000                       (upcase (substring (symbol-name (car priorities))
3001                                          0 1))))))))
3002       (setq priorities (cdr priorities)))
3003     (or mark
3004         (if (or cached (elmo-folder-local-p folder))
3005             nil
3006           wl-summary-uncached-mark))))
3007
3008 (defsubst wl-summary-message-mark (folder number &optional flags)
3009   "Return mark of the message."
3010   (ignore-errors
3011     (wl-summary-persistent-mark-string
3012      folder
3013      (or flags (setq flags (elmo-message-flags folder number)))
3014      (memq 'cached flags) ; XXX for speed-up.
3015      )))
3016
3017 (defsubst wl-summary-persistent-mark (&optional number flags)
3018   "Return persistent-mark string of current line."
3019   (or (wl-summary-message-mark wl-summary-buffer-elmo-folder
3020                                (or number (wl-summary-message-number))
3021                                flags)
3022       " "))
3023
3024 (defun wl-summary-put-temp-mark (mark)
3025   "Put temp MARK on current line."
3026   (when wl-summary-buffer-temp-mark-column
3027     (save-excursion
3028       (beginning-of-line)
3029       (let ((inhibit-read-only t)
3030             (buffer-read-only nil))
3031         (move-to-column wl-summary-buffer-temp-mark-column)
3032         (delete-backward-char 1)
3033         (insert mark)))))
3034
3035 (defun wl-summary-next-buffer ()
3036   "Switch to next summary buffer."
3037   (interactive)
3038   (let ((buffers (sort (wl-collect-summary)
3039                        (lambda (buffer1 buffer2)
3040                          (string-lessp (buffer-name buffer1)
3041                                        (buffer-name buffer2))))))
3042     (switch-to-buffer
3043      (or (cadr (memq (current-buffer) buffers))
3044          (car buffers)))))
3045
3046 (defun wl-summary-previous-buffer ()
3047   "Switch to previous summary buffer."
3048   (interactive)
3049   (let ((buffers (sort (wl-collect-summary)
3050                        (lambda (buffer1 buffer2)
3051                          (not (string-lessp (buffer-name buffer1)
3052                                             (buffer-name buffer2)))))))
3053     (switch-to-buffer
3054      (or (cadr (memq (current-buffer) buffers))
3055          (car buffers)))))
3056
3057 (defun wl-summary-check-target-mark ()
3058   (when (null wl-summary-buffer-target-mark-list)
3059     (error "No marked message")))
3060
3061 (defun wl-summary-target-mark-mark-as-read ()
3062   (interactive)
3063   (wl-summary-check-target-mark)
3064   (save-excursion
3065     (goto-char (point-min))
3066     (let ((inhibit-read-only t)
3067           (buffer-read-only nil)
3068           wl-summary-buffer-disp-msg)
3069       (wl-summary-mark-as-read wl-summary-buffer-target-mark-list)
3070       (dolist (number wl-summary-buffer-target-mark-list)
3071         (wl-summary-unset-mark number)))))
3072
3073 (defun wl-summary-target-mark-mark-as-unread ()
3074   (interactive)
3075   (wl-summary-check-target-mark)
3076   (save-excursion
3077     (goto-char (point-min))
3078     (let ((inhibit-read-only t)
3079           (buffer-read-only nil)
3080           wl-summary-buffer-disp-msg)
3081       (wl-summary-mark-as-unread wl-summary-buffer-target-mark-list)
3082       (dolist (number wl-summary-buffer-target-mark-list)
3083         (wl-summary-unset-mark number)))))
3084
3085 (defun wl-summary-target-mark-operation (flag &optional inverse)
3086   (wl-summary-check-target-mark)
3087   (save-excursion
3088     (let ((inhibit-read-only t)
3089           (buffer-read-only nil)
3090           wl-summary-buffer-disp-msg)
3091       (funcall
3092        (intern (format "wl-summary-mark-as-%s-internal" flag))
3093        inverse
3094        wl-summary-buffer-target-mark-list)
3095       (wl-summary-delete-all-target-marks))))
3096
3097 (defun wl-summary-target-mark-mark-as-important (&optional remove)
3098   (interactive "P")
3099   (wl-summary-target-mark-operation 'important remove))
3100
3101 (defun wl-summary-target-mark-mark-as-answered (&optional remove)
3102   (interactive "P")
3103   (wl-summary-target-mark-operation 'answered remove))
3104
3105 (defun wl-summary-target-mark-set-flags (&optional remove)
3106   (interactive "P")
3107   (wl-summary-check-target-mark)
3108   (save-excursion
3109     (let ((inhibit-read-only t)
3110           (buffer-read-only nil)
3111           wl-summary-buffer-disp-msg)
3112       (wl-summary-set-flags-internal wl-summary-buffer-target-mark-list
3113                                      nil nil remove)
3114       (wl-summary-delete-all-target-marks)
3115       (wl-summary-count-unread)
3116       (wl-summary-update-modeline))))
3117
3118 (defun wl-summary-target-mark-save ()
3119   (interactive)
3120   (wl-summary-check-target-mark)
3121   (let ((wl-save-dir
3122          (wl-read-directory-name "Save to directory: "
3123                                  wl-temporary-file-directory))
3124         number)
3125     (if (null (file-exists-p wl-save-dir))
3126         (make-directory wl-save-dir))
3127     (while (setq number (car wl-summary-buffer-target-mark-list))
3128       (wl-thread-jump-to-msg number)
3129       (wl-summary-save t wl-save-dir)
3130       (wl-summary-unmark))))
3131
3132 (defun wl-summary-target-mark-pick ()
3133   (interactive)
3134   (wl-summary-check-target-mark)
3135   (wl-summary-pick wl-summary-buffer-target-mark-list 'delete))
3136
3137 (defun wl-summary-update-persistent-mark (&optional number flags)
3138   "Synch up persistent mark of current line with msgdb's.
3139 Return non-nil if the mark is updated"
3140   (interactive)
3141   (prog1
3142       (when wl-summary-buffer-persistent-mark-column
3143         (save-excursion
3144           (move-to-column wl-summary-buffer-persistent-mark-column)
3145           (let ((inhibit-read-only t)
3146                 (buffer-read-only nil)
3147                 (mark (buffer-substring (- (point) 1) (point)))
3148                 (new-mark (wl-summary-persistent-mark number flags)))
3149             (prog1
3150                 (unless (string= new-mark mark)
3151                   (delete-backward-char 1)
3152                   (insert new-mark)
3153                   (wl-summary-set-message-modified)
3154                   t)
3155               (wl-summary-validate-persistent-mark (point-at-bol)
3156                                                    (point-at-eol))))))
3157     (when wl-summary-highlight
3158       (wl-highlight-summary-current-line))
3159     (set-buffer-modified-p nil)))
3160
3161 (defsubst wl-summary-mark-as-read-internal (inverse
3162                                             number-or-numbers
3163                                             no-folder-mark
3164                                             no-modeline-update)
3165   (save-excursion
3166     (let ((folder wl-summary-buffer-elmo-folder)
3167           unread-message number
3168           number-list)
3169       (setq number-list (cond ((numberp number-or-numbers)
3170                                (setq unread-message
3171                                      (elmo-message-flagged-p
3172                                       folder
3173                                       number-or-numbers
3174                                       'unread))
3175                                (list number-or-numbers))
3176                               ((and (not (null number-or-numbers))
3177                                     (listp number-or-numbers))
3178                                number-or-numbers)
3179                               ((setq number (wl-summary-message-number))
3180                                ;; interactive
3181                                (setq unread-message
3182                                      (elmo-message-flagged-p
3183                                       folder
3184                                       number
3185                                       'unread))
3186                                (list number))))
3187       (if (null number-list)
3188           (message "No message.")
3189         (if inverse
3190             (elmo-folder-set-flag folder number-list 'unread no-folder-mark)
3191           (elmo-folder-unset-flag folder number-list 'unread no-folder-mark))
3192         (when (and unread-message
3193                    (not inverse))
3194           (dolist (number number-list)
3195             (wl-summary-jump-to-msg number)
3196             (run-hooks 'wl-summary-unread-message-hook)))
3197         (unless no-modeline-update
3198           ;; Update unread numbers.
3199           (wl-summary-count-unread)
3200           (wl-summary-update-modeline)
3201           (wl-folder-update-unread
3202            (wl-summary-buffer-folder-name)
3203            wl-summary-buffer-unread-count))))))
3204
3205 (defun wl-summary-mark-as-read (&optional number-or-numbers
3206                                           no-folder-mark
3207                                           no-modeline-update)
3208   (interactive)
3209   (wl-summary-mark-as-read-internal nil
3210                                     number-or-numbers
3211                                     no-folder-mark
3212                                     no-modeline-update))
3213
3214 (defun wl-summary-mark-as-unread (&optional number-or-numbers
3215                                             no-folder-mark
3216                                             no-modeline-update)
3217   (interactive)
3218   (wl-summary-mark-as-read-internal 'inverse
3219                                     number-or-numbers
3220                                     no-folder-mark
3221                                     no-modeline-update))
3222
3223 (defsubst wl-summary-set-persistent-mark-internal (inverse
3224                                                    flag
3225                                                    &optional number-or-numbers
3226                                                    no-modeline-update
3227                                                    no-server
3228                                                    interactive)
3229   "Set persistent mark."
3230   (save-excursion
3231     (let ((folder wl-summary-buffer-elmo-folder)
3232           number number-list)
3233       (setq number-list (cond ((numberp number-or-numbers)
3234                                (list number-or-numbers))
3235                               ((and (not (null number-or-numbers))
3236                                     (listp number-or-numbers))
3237                                number-or-numbers)
3238                               ((setq number (wl-summary-message-number))
3239                                ;; interactive
3240                                (list number))))
3241       (if (null number-list)
3242           (message "No message.")
3243         ;; XXX Only the first element of the list is checked.
3244         (if (elmo-message-flag-available-p folder (car number-list) flag)
3245             (progn
3246               (if inverse
3247                   (elmo-folder-unset-flag folder number-list flag no-server)
3248                 (elmo-folder-set-flag folder number-list flag no-server))
3249               (unless no-modeline-update
3250                 ;; Update unread numbers.
3251                 ;; should elmo-flag-mark-as-read return unread numbers?
3252                 (wl-summary-count-unread)
3253                 (wl-summary-update-modeline)
3254                 (wl-folder-update-unread
3255                  (wl-summary-buffer-folder-name)
3256                  wl-summary-buffer-unread-count)))
3257           (if interactive
3258               (error "Flag `%s' is not available in this folder" flag)))))))
3259
3260 (defun wl-summary-unset-persistent-mark (&optional flag
3261                                                    number-or-numbers
3262                                                    no-modeline-update
3263                                                    no-server)
3264   "Unset persistent mark."
3265   (interactive)
3266   (when (interactive-p)
3267     (let ((completion-ignore-case t))
3268       (setq flag (intern (downcase
3269                           (completing-read
3270                            "Mark name: "
3271                            (mapcar (lambda (flag)
3272                                      (list (capitalize (symbol-name flag))))
3273                                    (wl-summary-get-available-flags))
3274                            nil
3275                            'require-match))))))
3276   (wl-summary-set-persistent-mark-internal 'inverse
3277                                            flag
3278                                            number-or-numbers
3279                                            no-modeline-update
3280                                            no-server
3281                                            (interactive-p)))
3282
3283 (defun wl-summary-set-persistent-mark (&optional flag
3284                                                  number-or-numbers
3285                                                  no-modeline-update
3286                                                  no-server)
3287   "Set persistent mark."
3288   (interactive)
3289   (when (interactive-p)
3290     (let ((completion-ignore-case t))
3291       (setq flag (intern (downcase
3292                           (completing-read
3293                            "Mark name: "
3294                            (mapcar (lambda (flag)
3295                                      (list (capitalize (symbol-name flag))))
3296                                    (wl-summary-get-available-flags))
3297                            nil
3298                            'require-match))))))
3299   (wl-summary-set-persistent-mark-internal nil
3300                                            flag
3301                                            number-or-numbers
3302                                            no-modeline-update
3303                                            no-server
3304                                            (interactive-p)))
3305
3306 (defun wl-summary-toggle-persistent-mark (&optional force)
3307   "Toggle persistent mark."
3308   (interactive "P")
3309   (let ((completion-ignore-case t)
3310         flag)
3311     (setq flag (intern (downcase
3312                         (completing-read
3313                          "Mark name: "
3314                          (mapcar (lambda (flag)
3315                                    (list (capitalize (symbol-name flag))))
3316                                  (wl-summary-get-available-flags))
3317                          nil
3318                          'require-match))))
3319     (if (and (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3320                                      (wl-summary-message-number)
3321                                      flag)
3322              (not force))
3323         (wl-summary-unset-persistent-mark flag)
3324       (wl-summary-set-persistent-mark flag))))
3325
3326 (defun wl-summary-mark-as-answered (&optional number-or-numbers
3327                                               no-modeline-update)
3328   (interactive)
3329   (wl-summary-set-persistent-mark-internal
3330    (and (interactive-p)
3331         (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3332                                 (wl-summary-message-number)
3333                                 'answered))
3334    'answered
3335    number-or-numbers
3336    no-modeline-update
3337    nil
3338    (interactive-p)))
3339
3340 (defun wl-summary-mark-as-unanswered (&optional number-or-numbers
3341                                                 no-modeline-update)
3342   (wl-summary-set-persistent-mark-internal
3343    'inverse
3344    'answered
3345    number-or-numbers
3346    no-modeline-update))
3347
3348 (defun wl-summary-decide-flag (folder number)
3349   (let ((flags (elmo-get-global-flags (elmo-message-flags
3350                                        folder number)))
3351         (completion-ignore-case t)
3352         new-flags)
3353     (setq new-flags
3354           (delq nil
3355                 (mapcar
3356                  (lambda (flag)
3357                    (and (> (length flag) 0)
3358                         (intern (downcase flag))))
3359                  (wl-completing-read-multiple
3360                   "Flags: "
3361                   (mapcar (lambda (flag)
3362                             (list (capitalize (symbol-name flag))))
3363                           elmo-global-flags)
3364                   nil nil (mapconcat (lambda (flag)
3365                                        (capitalize (symbol-name flag)))
3366                                      flags
3367                                      ",")))))
3368     (dolist (flag new-flags)
3369       (unless (memq flag elmo-global-flags)
3370         (when (elmo-local-flag-p flag)
3371           (error "Cannot treat `%s'." flag))
3372         (unless (elmo-flag-valid-p flag)
3373           (error "Invalid char in `%s'" flag))
3374         (if (y-or-n-p (format "Flag `%s' is not registered yet. Register?"
3375                               (capitalize (symbol-name flag))))
3376             (setq elmo-global-flags (append
3377                                      elmo-global-flags
3378                                      (list flag)))
3379           (error "Stopped"))))
3380     new-flags))
3381
3382 (defsubst wl-summary-set-flags-internal (&optional
3383                                         number-or-numbers
3384                                         flags
3385                                         local
3386                                         remove-all)
3387   (save-excursion
3388     (let ((folder wl-summary-buffer-elmo-folder)
3389           number number-list)
3390       (setq number-list (cond ((numberp number-or-numbers)
3391                                (list number-or-numbers))
3392                               ((and (not (null number-or-numbers))
3393                                     (listp number-or-numbers))
3394                                number-or-numbers)
3395                               ((setq number (wl-summary-message-number))
3396                                ;; interactive
3397                                (list number))))
3398       (if remove-all
3399           (setq flags nil)
3400         (unless flags
3401           (setq flags (wl-summary-decide-flag folder (car number-list)))))
3402       (if (null number-list)
3403           (message "No message.")
3404         (dolist (number number-list)
3405           (elmo-message-set-global-flags folder number flags local)))
3406       flags)))
3407
3408 (defun wl-summary-set-flags (&optional remove)
3409   (interactive "P")
3410   (wl-summary-set-flags-internal nil nil nil remove))
3411
3412 (defun wl-summary-mark-as-important (&optional prompt)
3413   (interactive "P")
3414   (if prompt
3415       (wl-summary-set-flags-internal)
3416     (wl-summary-set-persistent-mark-internal
3417      (and (interactive-p)
3418           (elmo-message-flagged-p wl-summary-buffer-elmo-folder
3419                                   (wl-summary-message-number)
3420                                   'important))
3421      'important
3422      nil nil nil (interactive-p))))
3423
3424 ;;; Summary line.
3425 (defvar wl-summary-line-formatter nil)
3426
3427 (defun wl-summary-view-old-p ()
3428   "Return non-nil when summary view cache has old format."
3429   (save-excursion
3430     (goto-char (point-min))
3431     (and wl-summary-buffer-number-list
3432          (not (re-search-forward "\r-?[0-9]+" (point-at-eol) t)))))
3433
3434 (defun wl-summary-line-format-changed-p ()
3435   "Return non-nil when summary line format is changed."
3436   (not (string=
3437         wl-summary-buffer-line-format
3438         (or (elmo-object-load (expand-file-name
3439                                wl-summary-line-format-file
3440                                (elmo-folder-msgdb-path
3441                                 wl-summary-buffer-elmo-folder))
3442                               wl-summary-buffer-mime-charset)
3443             wl-summary-buffer-line-format))))
3444
3445 (defun wl-summary-line-format-save ()
3446   "Save current summary line format."
3447   (elmo-object-save
3448    (expand-file-name wl-summary-line-format-file
3449                      (elmo-folder-msgdb-path
3450                       wl-summary-buffer-elmo-folder))
3451    wl-summary-buffer-line-format
3452    wl-summary-buffer-mime-charset))
3453
3454 (defun wl-summary-line-number ()
3455   (wl-set-string-width
3456    (- wl-summary-buffer-number-column)
3457    (number-to-string
3458     (elmo-message-entity-number wl-message-entity))))
3459
3460 (defun wl-summary-line-year ()
3461   (aref wl-datevec 0))
3462 (defun wl-summary-line-month ()
3463   (format "%02d" (aref wl-datevec 1)))
3464 (defun wl-summary-line-day ()
3465   (format "%02d" (aref wl-datevec 2)))
3466 (defun wl-summary-line-day-of-week ()
3467   (condition-case nil
3468       (elmo-date-get-week (aref wl-datevec 0)
3469                           (aref wl-datevec 1)
3470                           (aref wl-datevec 2))
3471     (error "??")))
3472 (defun wl-summary-line-hour ()
3473   (format "%02d" (aref wl-datevec 3)))
3474 (defun wl-summary-line-minute ()
3475   (format "%02d" (aref wl-datevec 4)))
3476
3477 (defun wl-summary-line-size ()
3478   (let ((size (elmo-message-entity-field wl-message-entity 'size)))
3479     (if size
3480         (cond
3481          ((<= 1 (/ size 1048576))
3482           (format "%.0fM" (/ size 1048576.0)))
3483          ((<= 1 (/ size 1024))
3484           (format "%.0fK" (/ size 1024.0)))
3485          (t (format "%dB" size)))
3486       "")))
3487
3488 (defun wl-summary-line-subject ()
3489   (let (no-parent subject parent-raw-subject parent-subject)
3490     (if (string= wl-thr-indent-string "")
3491         (setq no-parent t)) ; no parent
3492     (setq subject
3493           (elmo-delete-char ?\n
3494                             (or (elmo-message-entity-field
3495                                  wl-message-entity
3496                                  'subject)
3497                                 wl-summary-no-subject-message)))
3498     (setq parent-raw-subject
3499           (elmo-message-entity-field wl-parent-message-entity 'subject))
3500     (setq parent-subject
3501           (if parent-raw-subject
3502               (elmo-delete-char ?\n parent-raw-subject)))
3503     (if (or no-parent
3504             (null parent-subject)
3505             (not (wl-summary-subject-equal subject parent-subject)))
3506         (funcall wl-summary-subject-function subject)
3507       "")))
3508
3509 (defun wl-summary-line-from ()
3510   (elmo-delete-char ?\n
3511                     (funcall wl-summary-from-function
3512                              (elmo-message-entity-field
3513                               wl-message-entity
3514                               'from))))
3515
3516 (defun wl-summary-line-list-info ()
3517   (let ((list-info (wl-summary-get-list-info wl-message-entity)))
3518     (if (car list-info)
3519         (format (if (cdr list-info) "(%s %05.0f)" "(%s)")
3520                 (car list-info) (cdr list-info))
3521       "")))
3522
3523 (defun wl-summary-line-list-count ()
3524   (let ((ml-count (cdr (wl-summary-get-list-info wl-message-entity))))
3525     (if ml-count
3526         (format "%.0f" ml-count)
3527       "")))
3528
3529 (defun wl-summary-line-attached ()
3530   (let ((content-type (elmo-message-entity-field
3531                        wl-message-entity 'content-type))
3532         (case-fold-search t))
3533     (if (and content-type
3534              (string-match "multipart/mixed" content-type))
3535         "@"
3536       "")))
3537
3538 ;;; For future use.
3539 ;;(defun wl-summary-line-cached ()
3540 ;;  (if (elmo-message-cached-p wl-summary-buffer-elmo-folder
3541 ;;                           (elmo-message-entity-number wl-message-entity))
3542 ;;      " "
3543 ;;    "u"))
3544
3545 (defun wl-summary-create-line (wl-message-entity
3546                                wl-parent-message-entity
3547                                wl-temp-mark
3548                                wl-flags
3549                                wl-cached
3550                                &optional
3551                                wl-thr-children-number
3552                                wl-thr-indent-string
3553                                wl-thr-linked)
3554   "Create a summary line."
3555   (let ((wl-mime-charset wl-summary-buffer-mime-charset)
3556         (wl-persistent-mark (wl-summary-persistent-mark-string
3557                              wl-summary-buffer-elmo-folder
3558                              wl-flags
3559                              wl-cached))
3560         (elmo-mime-charset wl-summary-buffer-mime-charset)
3561         (elmo-lang wl-summary-buffer-weekday-name-lang)
3562         (wl-datevec (or (elmo-time-to-datevec
3563                          (elmo-message-entity-field wl-message-entity 'date)
3564                          wl-summary-fix-timezone)
3565                         (make-vector 7 0)))
3566         (entity wl-message-entity) ; backward compatibility.
3567         line mark)
3568     (if (and wl-thr-indent-string
3569              wl-summary-indent-length-limit
3570              (< wl-summary-indent-length-limit
3571                 (string-width wl-thr-indent-string)))
3572         (setq wl-thr-indent-string (wl-set-string-width
3573                                     wl-summary-indent-length-limit
3574                                     wl-thr-indent-string)))
3575     (setq line (funcall wl-summary-buffer-line-formatter))
3576     (if wl-summary-width (setq line
3577                                (wl-set-string-width
3578                                 (- wl-summary-width 1) line nil
3579                                 'ignore-invalid)))
3580     (setq line (concat line
3581                        "\r"
3582                        (number-to-string
3583                         (elmo-message-entity-number
3584                          wl-message-entity))))
3585     (wl-summary-validate-persistent-mark-string line)
3586     (if wl-summary-highlight
3587         (wl-highlight-summary-line-string
3588          (elmo-message-entity-number wl-message-entity)
3589          line
3590          wl-flags
3591          wl-temp-mark
3592          wl-thr-indent-string))
3593     line))
3594
3595 (defsubst wl-summary-proc-wday (wday-str year month mday)
3596   (save-match-data
3597     (if (string-match "\\([A-Z][a-z][a-z]\\).*" wday-str)
3598         (wl-match-string 1 wday-str)
3599       (elmo-date-get-week year month mday))))
3600
3601 (defvar wl-summary-move-spec-alist
3602   '((new . ((t . nil)
3603             (p . new)
3604             (p . unread)
3605             (p . digest)))
3606     (unread . ((t . nil)
3607                (p . unread)
3608                (p . digest)))))
3609
3610 (defsubst wl-summary-next-message (num direction hereto)
3611   (if wl-summary-buffer-next-message-function
3612       (funcall wl-summary-buffer-next-message-function num direction hereto)
3613     (let ((cur-spec (cdr (assq wl-summary-move-order
3614                                wl-summary-move-spec-alist)))
3615           (nums (memq num (if (eq direction 'up)
3616                               (reverse wl-summary-buffer-number-list)
3617                             wl-summary-buffer-number-list)))
3618           flagged-list nums2)
3619       (unless hereto (setq nums (cdr nums)))
3620       (setq nums2 nums)
3621       (if cur-spec
3622           (catch 'done
3623             (while cur-spec
3624               (setq nums nums2)
3625               (cond ((eq (car (car cur-spec)) 'p)
3626                      (if (setq flagged-list
3627                                (elmo-folder-list-flagged
3628                                 wl-summary-buffer-elmo-folder
3629                                 (cdr (car cur-spec)) t))
3630                          (while nums
3631                            (if (and (memq (car nums) flagged-list)
3632                                     (elmo-message-accessible-p
3633                                      wl-summary-buffer-elmo-folder
3634                                      (car nums)))
3635                                (throw 'done (car nums)))
3636                            (setq nums (cdr nums)))))
3637                     ((eq (car (car cur-spec)) 't)
3638                      (if wl-summary-buffer-target-mark-list
3639                          (while nums
3640                            (if (memq (car nums)
3641                                      wl-summary-buffer-target-mark-list)
3642                                (throw 'done (car nums)))
3643                            (setq nums (cdr nums))))))
3644               (setq cur-spec (cdr cur-spec))))
3645         (car nums)))))
3646
3647 (defsubst wl-summary-cursor-move (direction hereto)
3648   (when (and (eq direction 'up)
3649              (eobp))
3650     (forward-line -1)
3651     (setq hereto t))
3652   (let (num)
3653     (when (setq num (wl-summary-next-message (wl-summary-message-number)
3654                                              direction hereto))
3655       (if (numberp num)
3656           (wl-thread-jump-to-msg num))
3657       t)))
3658 ;;
3659 ;; Goto unread or global flag message
3660 ;; returns t if next message exists in this folder.
3661 (defun wl-summary-cursor-down (&optional hereto)
3662   (interactive "P")
3663   (wl-summary-cursor-move 'down hereto))
3664
3665 (defun wl-summary-cursor-up (&optional hereto)
3666   (interactive "P")
3667   (wl-summary-cursor-move 'up hereto))
3668
3669 (defun wl-summary-save-view-cache ()
3670   (save-excursion
3671     (let* ((dir (elmo-folder-msgdb-path wl-summary-buffer-elmo-folder))
3672            (cache (expand-file-name wl-summary-cache-file dir))
3673            (view (expand-file-name wl-summary-view-file dir))
3674            (save-view wl-summary-buffer-view)
3675            (mark-list (copy-sequence wl-summary-buffer-target-mark-list))
3676            (temp-list (copy-sequence wl-summary-buffer-temp-mark-list))
3677            (tmp-buffer (get-buffer-create " *wl-summary-save-view-cache*"))
3678            (temp-column wl-summary-buffer-temp-mark-column)
3679            (charset wl-summary-buffer-mime-charset))
3680       (when dir
3681         (if (file-directory-p dir)
3682             (); ok.
3683           (if (file-exists-p dir)
3684               (error "File %s already exists" dir)
3685             (elmo-make-directory dir)))
3686         (if (eq save-view 'thread)
3687             (wl-thread-save-entity dir))
3688         (when wl-summary-check-line-format
3689           (wl-summary-line-format-save))
3690         (unwind-protect
3691             (progn
3692               (when (file-writable-p cache)
3693                 (copy-to-buffer tmp-buffer (point-min) (point-max))
3694                 (with-current-buffer tmp-buffer
3695                   (widen)
3696                   (make-local-variable 'wl-summary-highlight)
3697                   (setq wl-summary-highlight nil
3698                         wl-summary-buffer-target-mark-list mark-list
3699                         wl-summary-buffer-temp-mark-list temp-list
3700                         wl-summary-buffer-temp-mark-column temp-column)
3701                   (wl-summary-delete-all-temp-marks 'no-msg 'force)
3702                   (encode-coding-region
3703                    (point-min) (point-max)
3704                    (or (and wl-on-mule
3705                             ;; one in mcs-ltn1(apel<10.4) cannot take 2 arg.
3706                             (mime-charset-to-coding-system charset 'LF))
3707                        ;; Mule 2 doesn't have `*ctext*unix'.
3708                        (mime-charset-to-coding-system charset)))
3709                   (write-region-as-binary (point-min)(point-max)
3710                                           cache nil 'no-msg)))
3711               (when (file-writable-p view) ; 'thread or 'sequence
3712                 (with-temp-buffer
3713                   (prin1 save-view (current-buffer))
3714                   (princ "\n" (current-buffer))
3715                   (write-region (point-min) (point-max) view nil 'no-msg))))
3716           ;; kill tmp buffer.
3717           (kill-buffer tmp-buffer))))))
3718
3719 (defsubst wl-summary-get-sync-range (folder)
3720   (intern (or (and
3721                (elmo-folder-plugged-p folder)
3722                (wl-get-assoc-list-value
3723                 wl-folder-sync-range-alist
3724                 (elmo-folder-name-internal folder)
3725                 'function))
3726               wl-default-sync-range)))
3727
3728 ;; redefined for wl-summary-sync-update
3729 (defun wl-summary-input-range (folder)
3730   "returns update or all or rescan."
3731   ;; for the case when parts are expanded in the bottom of the folder
3732   (let ((input-range-list '("no-sync"
3733                             "first:"
3734                             "last:"
3735                             "cache-status"
3736                             "mark"
3737                             "rescan"
3738                             "rescan-noscore"
3739                             "rescan-thread"
3740                             "update"
3741                             "update-entirely"
3742                             "all"
3743                             "all-entirely"))
3744         (default (or (wl-get-assoc-list-value
3745                       wl-folder-sync-range-alist
3746                       folder
3747                       'function)
3748                      wl-default-sync-range))
3749         range)
3750     (setq range
3751           (completing-read (format "Range (%s): " default)
3752                            (mapcar
3753                             (function (lambda (x) (cons x x)))
3754                             input-range-list)))
3755     (if (string= range "")
3756         default
3757       range)))
3758
3759 (defun wl-summary-toggle-disp-folder (&optional arg)
3760   (interactive)
3761   (let ((cur-buf (current-buffer))
3762         (summary-win (get-buffer-window (current-buffer)))
3763         fld-buf fld-win)
3764     (cond
3765      ((eq arg 'on)
3766       (setq wl-summary-buffer-disp-folder t)
3767       ;; hide your folder window
3768       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3769           (if (setq fld-win (get-buffer-window fld-buf))
3770               (delete-window fld-win))))
3771      ((eq arg 'off)
3772       (setq wl-summary-buffer-disp-folder nil)
3773       ;; hide your wl-message window!
3774       (when (buffer-live-p wl-message-buffer)
3775         (wl-message-select-buffer wl-message-buffer)
3776         (delete-window))
3777       (select-window (get-buffer-window cur-buf))
3778       ;; display wl-folder window!!
3779       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3780           (if (setq fld-win (get-buffer-window fld-buf))
3781               ;; folder win is already displayed.
3782               (select-window fld-win)
3783             ;; folder win is not displayed.
3784             (switch-to-buffer fld-buf))
3785         ;; no folder buf
3786         (wl-folder))
3787       ;; temporarily delete summary-win.
3788       (if summary-win
3789           (delete-window summary-win))
3790       (split-window-horizontally wl-folder-window-width)
3791       (other-window 1)
3792       (switch-to-buffer cur-buf))
3793      (t
3794       (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3795           (if (setq fld-win (get-buffer-window fld-buf))
3796               (setq wl-summary-buffer-disp-folder nil)
3797             (setq wl-summary-buffer-disp-folder t)))
3798       (if (not wl-summary-buffer-disp-folder)
3799           ;; hide message window
3800           (let ((mes-win (and wl-message-buffer
3801                               (get-buffer-window wl-message-buffer)))
3802                 (wl-stay-folder-window t))
3803             (if mes-win (delete-window mes-win))
3804             ;; hide your folder window
3805             (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3806                 (if (setq fld-win (get-buffer-window fld-buf))
3807                     (progn
3808                       (delete-window (get-buffer-window cur-buf))
3809                       (select-window fld-win)
3810                       (switch-to-buffer cur-buf))))
3811             (run-hooks 'wl-summary-toggle-disp-folder-off-hook)
3812             ;; resume message window.
3813             (when mes-win
3814               (wl-message-select-buffer wl-message-buffer)
3815               (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3816               (select-window (get-buffer-window cur-buf))))
3817         ;; hide message window
3818         (let ((wl-stay-folder-window t)
3819               (mes-win (and wl-message-buffer
3820                             (get-buffer-window wl-message-buffer))))
3821           (if mes-win (delete-window mes-win))
3822           (select-window (get-buffer-window cur-buf))
3823           ;; display wl-folder window!!
3824           (if (setq fld-buf (get-buffer wl-folder-buffer-name))
3825               (if (setq fld-win (get-buffer-window fld-buf))
3826                   ;; folder win is already displayed.
3827                   (select-window fld-win)
3828                 ;; folder win is not displayed...occupy all.
3829                 (switch-to-buffer fld-buf))
3830             ;; no folder buf
3831             (wl-folder))
3832           (split-window-horizontally wl-folder-window-width)
3833           (other-window 1)
3834           (switch-to-buffer cur-buf)
3835           ;; resume message window.
3836           (run-hooks 'wl-summary-toggle-disp-folder-on-hook)
3837           (when mes-win
3838             (wl-message-select-buffer wl-message-buffer)
3839             (run-hooks 'wl-summary-toggle-disp-folder-message-resumed-hook)
3840             (select-window (get-buffer-window cur-buf))))))))
3841   (run-hooks 'wl-summary-toggle-disp-folder-hook))
3842
3843 (defun wl-summary-toggle-disp-msg (&optional arg)
3844   (interactive)
3845   (let ((cur-buf (current-buffer))
3846         fld-buf fld-win
3847         summary-win)
3848     (cond
3849      ((eq arg 'on)
3850       (setq wl-summary-buffer-disp-msg t)
3851       (save-excursion
3852         ;; hide your folder window
3853         (if (and (not wl-stay-folder-window)
3854                  (setq fld-buf (get-buffer wl-folder-buffer-name)))
3855             (if (setq fld-win (get-buffer-window fld-buf))
3856                 (unless (one-window-p fld-win)
3857                   (delete-window fld-win))))))
3858      ((eq arg 'off)
3859       (wl-delete-all-overlays)
3860       (setq wl-summary-buffer-disp-msg nil)
3861       (save-excursion
3862         (when (buffer-live-p wl-message-buffer)
3863           (wl-message-select-buffer wl-message-buffer)
3864           (delete-window)
3865           (and (get-buffer-window cur-buf)
3866                (select-window (get-buffer-window cur-buf))))
3867         (run-hooks 'wl-summary-toggle-disp-off-hook)))
3868      (t
3869       (if (and wl-message-buffer
3870                (get-buffer-window wl-message-buffer)) ; already displayed
3871           (setq wl-summary-buffer-disp-msg nil)
3872         (setq wl-summary-buffer-disp-msg t))
3873       (if wl-summary-buffer-disp-msg
3874           (progn
3875             (wl-summary-redisplay)
3876 ;;; hide your folder window
3877 ;;;         (setq fld-buf (get-buffer wl-folder-buffer-name))
3878 ;;;         (if (setq fld-win (get-buffer-window fld-buf))
3879 ;;;             (delete-window fld-win)))
3880             (run-hooks 'wl-summary-toggle-disp-on-hook))
3881         (wl-delete-all-overlays)
3882         (save-excursion
3883           (wl-message-select-buffer wl-message-buffer)
3884           (delete-window)
3885           (select-window (get-buffer-window cur-buf))
3886           (setq wl-message-buffer nil)
3887           (run-hooks 'wl-summary-toggle-disp-off-hook))
3888 ;;;     (switch-to-buffer cur-buf)
3889         )))
3890     (run-hooks 'wl-summary-buffer-window-scroll-functions)))
3891
3892 (defun wl-summary-enter-handler (&optional arg)
3893   "A command for `enter' key in the summary.
3894 Basically, it shows next line of the message.
3895 If optional argument ARG is specified, behave as followed.
3896 If ARG is number, jump to the message.
3897 Otherwise it shows previous line of the message."
3898   (interactive "P")
3899   (cond ((numberp arg)
3900          (unless (wl-thread-jump-to-msg arg)
3901            (message "Message (#%d) was not found." arg)))
3902         (arg
3903          (wl-summary-prev-line-content))
3904         (t
3905          (wl-summary-next-line-content))))
3906
3907 (defun wl-summary-next-line-content ()
3908   "Show next line of the message."
3909   (interactive)
3910   (let ((cur-buf (current-buffer)))
3911     (wl-summary-toggle-disp-msg 'on)
3912     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3913       (set-buffer cur-buf)
3914       (wl-message-next-page 1))))
3915
3916 (defun wl-summary-prev-line-content ()
3917   (interactive)
3918   (let ((cur-buf (current-buffer)))
3919     (wl-summary-toggle-disp-msg 'on)
3920     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3921       (set-buffer cur-buf)
3922       (wl-message-prev-page 1))))
3923
3924 (defun wl-summary-next-page ()
3925   (interactive)
3926   (let ((cur-buf (current-buffer)))
3927     (wl-summary-toggle-disp-msg 'on)
3928     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3929       (set-buffer cur-buf)
3930       (wl-message-next-page))))
3931
3932 (defun wl-summary-prev-page ()
3933   (interactive)
3934   (let ((cur-buf (current-buffer)))
3935     (wl-summary-toggle-disp-msg 'on)
3936     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
3937       (set-buffer cur-buf)
3938       (wl-message-prev-page))))
3939
3940 (defsubst wl-summary-no-mime-p (folder)
3941   (wl-string-match-member (elmo-folder-name-internal folder)
3942                           wl-summary-no-mime-folder-list))
3943
3944 (defun wl-summary-set-message-buffer-or-redisplay (&rest args)
3945   "Set message buffer.
3946 If message is not displayed yet, display it.
3947 Return t if message exists."
3948   (let ((folder wl-summary-buffer-elmo-folder)
3949         (number (wl-summary-message-number))
3950         cur-folder cur-number message-last-pos)
3951     (when (buffer-live-p wl-message-buffer)
3952       (save-window-excursion
3953         (setq wl-current-summary-buffer (current-buffer))
3954         (wl-message-select-buffer wl-message-buffer)
3955         (setq cur-folder wl-message-buffer-cur-folder)
3956         (setq cur-number wl-message-buffer-cur-number)))
3957     (if (and (string= (elmo-folder-name-internal folder) (or cur-folder ""))
3958              (eq number (or cur-number 0)))
3959         (progn
3960           (set-buffer wl-message-buffer)
3961           t)
3962       (wl-summary-redisplay-internal folder number)
3963       (when (buffer-live-p wl-message-buffer)
3964         (set-buffer wl-message-buffer))
3965       nil)))
3966
3967 (defun wl-summary-target-mark-forward (&optional arg)
3968   (interactive "P")
3969   (wl-summary-check-target-mark)
3970   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
3971         (summary-buf (current-buffer))
3972         (wl-draft-forward t)
3973         start-point
3974         draft-buf)
3975     (wl-summary-jump-to-msg (car mlist))
3976     (wl-summary-forward t)
3977     (setq start-point (point))
3978     (setq draft-buf (current-buffer))
3979     (setq mlist (cdr mlist))
3980     (save-window-excursion
3981       (when mlist
3982         (while mlist
3983           (set-buffer summary-buf)
3984           (wl-summary-jump-to-msg (car mlist))
3985           (wl-summary-redisplay)
3986           (set-buffer draft-buf)
3987           (goto-char (point-max))
3988           (wl-draft-insert-message)
3989           (setq mlist (cdr mlist)))
3990         (wl-draft-body-goto-top)
3991         (wl-draft-enclose-digest-region (point) (point-max)))
3992       (goto-char start-point)
3993       (save-excursion
3994         (set-buffer summary-buf)
3995         (wl-summary-delete-all-target-marks)))
3996     (run-hooks 'wl-mail-setup-hook)))
3997
3998 (defun wl-summary-target-mark-reply-with-citation (&optional arg)
3999   (interactive "P")
4000   (wl-summary-check-target-mark)
4001   (let ((mlist (nreverse (copy-sequence wl-summary-buffer-target-mark-list)))
4002         (summary-buf (current-buffer))
4003         change-major-mode-hook
4004         start-point
4005         draft-buf)
4006     (wl-summary-jump-to-msg (car mlist))
4007     (when (wl-summary-reply arg t)
4008       (goto-char (point-max))
4009       (setq start-point (point-marker))
4010       (setq draft-buf (current-buffer))
4011       (save-window-excursion
4012         (while mlist
4013           (set-buffer summary-buf)
4014           (delete-other-windows)
4015           (wl-summary-jump-to-msg (car mlist))
4016           (wl-summary-redisplay)
4017           (set-buffer draft-buf)
4018           (goto-char (point-max))
4019           (wl-draft-yank-original)
4020           (setq mlist (cdr mlist)))
4021         (goto-char start-point)
4022         (save-excursion
4023           (set-buffer summary-buf)
4024           (wl-summary-delete-all-target-marks)))
4025       (wl-draft-reply-position wl-draft-reply-default-position)
4026       (run-hooks 'wl-mail-setup-hook))))
4027
4028 (defun wl-summary-reply-with-citation (&optional arg)
4029   (interactive "P")
4030   (when (wl-summary-reply arg t)
4031     (goto-char (point-max))
4032     (wl-draft-yank-original)
4033     (wl-draft-reply-position wl-draft-reply-default-position)
4034     (run-hooks 'wl-mail-setup-hook)))
4035
4036 (defun wl-summary-jump-to-msg-by-message-id (&optional id)
4037   (interactive)
4038   (let* ((original (wl-summary-message-number))
4039          (msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4040          (entity (elmo-message-entity wl-summary-buffer-elmo-folder msgid))
4041          msg otherfld schar
4042          (errmsg (format "No message with id \"%s\" in the folder." msgid)))
4043     (if (setq msg (elmo-message-entity-number entity))
4044         (progn
4045           (wl-thread-jump-to-msg msg)
4046           t)
4047       ;; for XEmacs!
4048       (if (and elmo-use-database
4049                (setq errmsg
4050                      (format
4051                       "No message with id \"%s\" in the database." msgid))
4052                (setq otherfld (elmo-database-msgid-get msgid)))
4053           (if (cdr (wl-summary-jump-to-msg-internal
4054                     (car otherfld) (nth 1 otherfld) 'no-sync))
4055               t ; succeed.
4056             ;; Back to original.
4057             (wl-summary-jump-to-msg-internal
4058              (wl-summary-buffer-folder-name) original 'no-sync))
4059         (cond ((eq wl-summary-search-via-nntp 'confirm)
4060                (require 'elmo-nntp)
4061                (message "Search message in nntp server \"%s\" <y/n/s(elect)>? "
4062                         elmo-nntp-default-server)
4063                (setq schar (let ((cursor-in-echo-area t)) (read-char)))
4064                (cond ((eq schar ?y)
4065                       (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4066                      ((eq schar ?s)
4067                       (wl-summary-jump-to-msg-by-message-id-via-nntp
4068                        msgid
4069                        (read-from-minibuffer "NNTP Server: ")))
4070                      (t
4071                       (message "%s" errmsg)
4072                       nil)))
4073               ((or (eq wl-summary-search-via-nntp 'force)
4074                    (and
4075                     (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4076                         'nntp)
4077                     wl-summary-search-via-nntp))
4078                (wl-summary-jump-to-msg-by-message-id-via-nntp msgid))
4079               (t
4080                (message "%s" errmsg)
4081                nil))))))
4082
4083 (defun wl-summary-jump-to-msg-by-message-id-via-nntp (&optional id server-spec)
4084   (interactive)
4085   (let* ((msgid (elmo-string (or id (read-from-minibuffer "Message-ID: "))))
4086          newsgroups folder ret
4087          user server port type spec)
4088     (if server-spec
4089         (if (string-match "^-" server-spec)
4090             (setq spec (wl-folder-get-elmo-folder server-spec)
4091                   user (elmo-net-folder-user-internal spec)
4092                   server (elmo-net-folder-server-internal spec)
4093                   port (elmo-net-folder-port-internal spec)
4094                   type (elmo-net-folder-stream-type-internal spec))
4095           (setq server server-spec)))
4096     (when (setq ret (elmo-nntp-get-newsgroup-by-msgid
4097                      msgid
4098                      (or server elmo-nntp-default-server)
4099                      (or user elmo-nntp-default-user)
4100                      (or port elmo-nntp-default-port)
4101                      (or type elmo-nntp-default-stream-type)))
4102       (setq newsgroups (elmo-nntp-parse-newsgroups ret))
4103       (setq folder (concat "-" (car newsgroups)
4104                            (elmo-nntp-folder-postfix user server port type)))
4105       (catch 'found
4106         (while newsgroups
4107           (if (wl-folder-entity-exists-p (car newsgroups)
4108                                          wl-folder-newsgroups-hashtb)
4109               (throw 'found
4110                      (setq folder (concat "-" (car newsgroups)
4111                                           (elmo-nntp-folder-postfix
4112                                            user server port type)))))
4113           (setq newsgroups (cdr newsgroups)))))
4114     (if ret
4115         (wl-summary-jump-to-msg-internal folder nil 'update msgid)
4116       (message "No message id \"%s\" in nntp server \"%s\"."
4117                msgid (or server elmo-nntp-default-server))
4118       nil)))
4119
4120 (defun wl-summary-jump-to-msg-internal (folder msg scan-type &optional msgid)
4121   (let (wl-auto-select-first entity)
4122     (if (or (string= folder (wl-summary-buffer-folder-name))
4123             (y-or-n-p
4124              (format
4125               "Message was found in the folder \"%s\". Jump to it? "
4126               folder)))
4127         (progn
4128           (unwind-protect
4129               (wl-summary-goto-folder-subr
4130                folder scan-type nil nil t)
4131             (if msgid
4132                 (setq msg
4133                       (elmo-message-entity-number
4134                        (elmo-message-entity
4135                         wl-summary-buffer-elmo-folder
4136                         msgid))))
4137             (setq entity (wl-folder-search-entity-by-name folder
4138                                                           wl-folder-entity
4139                                                           'folder))
4140             (if entity
4141                 (wl-folder-set-current-entity-id
4142                  (wl-folder-get-entity-id entity))))
4143           (if (null msg)
4144               (message "Message was not found currently in this folder.")
4145             (setq msg (and (wl-thread-jump-to-msg msg) msg)))
4146           (cons folder msg)))))
4147
4148 (defun wl-summary-jump-to-parent-message (arg)
4149   (interactive "P")
4150   (let ((cur-buf (current-buffer))
4151         (disp-msg wl-summary-buffer-disp-msg)
4152         (number (wl-summary-message-number))
4153         (regexp "\\(<[^<>]*>\\)[ \t]*$")
4154         (i -1) ;; xxx
4155         msg-id msg-num ref-list ref irt)
4156     (if (null number)
4157         (message "No message.")
4158       (when (eq wl-summary-buffer-view 'thread)
4159         (cond ((and arg (not (numberp arg)))
4160                (setq msg-num
4161                      (wl-thread-entity-get-number
4162                       (wl-thread-entity-get-top-entity
4163                        (wl-thread-get-entity number)))))
4164               ((and arg (numberp arg))
4165                (setq i 0)
4166                (setq msg-num number)
4167                (while (< i arg)
4168                  (setq msg-num
4169                        (wl-thread-entity-get-number
4170                         (wl-thread-entity-get-parent-entity
4171                          (wl-thread-get-entity msg-num))))
4172                  (setq i (1+ i))))
4173               (t (setq msg-num
4174                        (wl-thread-entity-get-number
4175                         (wl-thread-entity-get-parent-entity
4176                          (wl-thread-get-entity number)))))))
4177       (when (null msg-num)
4178         (wl-summary-set-message-buffer-or-redisplay)
4179         (set-buffer (wl-message-get-original-buffer))
4180         (message "Searching parent message...")
4181         (setq ref (std11-field-body "References")
4182               irt (std11-field-body "In-Reply-To"))
4183         (cond
4184          ((and arg (not (numberp arg)) ref (not (string= ref ""))
4185                (string-match regexp ref))
4186           ;; The first message of the thread.
4187           (setq msg-id (wl-match-string 1 ref)))
4188          ;; "In-Reply-To:" has only one msg-id.
4189          ((and (null arg) irt (not (string= irt ""))
4190                (string-match regexp irt))
4191           (setq msg-id (wl-match-string 1 irt)))
4192          ((and (or (null arg) (numberp arg)) ref (not (string= ref ""))
4193                (string-match regexp ref))
4194           ;; "^" searching parent, "C-u 2 ^" looking for grandparent.
4195           (while (string-match regexp ref)
4196             (setq ref-list
4197                   (append (list
4198                            (wl-match-string 1 ref))
4199                           ref-list))
4200             (setq ref (substring ref (match-end 0)))
4201             (setq i (1+ i)))
4202           (setq msg-id
4203                 (if (null arg) (nth 0 ref-list) ;; previous
4204                   (if (<= arg i) (nth (1- arg) ref-list)
4205                     (nth i ref-list))))))
4206         (set-buffer cur-buf)
4207         (or disp-msg (wl-summary-toggle-disp-msg 'off)))
4208       (cond ((and (null msg-id) (null msg-num))
4209              (message "No parent message!")
4210              nil)
4211             ((and msg-id (wl-summary-jump-to-msg-by-message-id msg-id))
4212              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4213              (message "Searching parent message...done")
4214              t)
4215             ((and msg-num (wl-summary-jump-to-msg msg-num))
4216              (if wl-summary-buffer-disp-msg (wl-summary-redisplay))
4217              (message "Searching parent message...done")
4218              t)
4219             (t ; failed.
4220              (message "Parent message was not found.")
4221              nil)))))
4222
4223 (defun wl-summary-reply (&optional arg without-setup-hook)
4224   "Reply to current message. Default is \"wide\" reply.
4225 Reply to author if invoked with ARG."
4226   (interactive "P")
4227   (let ((folder wl-summary-buffer-elmo-folder)
4228         (number (wl-summary-message-number))
4229         (summary-buf (current-buffer))
4230         (winconf (current-window-configuration))
4231         mes-buf)
4232     (when number
4233       (save-excursion
4234         (wl-summary-set-message-buffer-or-redisplay))
4235       (wl-message-select-buffer wl-message-buffer)
4236       (condition-case err
4237           (when (setq mes-buf (wl-message-get-original-buffer))
4238             (wl-draft-reply mes-buf arg summary-buf number)
4239             (wl-draft-reply-position wl-draft-reply-default-position)
4240             (unless without-setup-hook
4241               (run-hooks 'wl-mail-setup-hook)))
4242         (error (set-window-configuration winconf)
4243                (signal (car err)(cdr err))))
4244       (with-current-buffer summary-buf (run-hooks 'wl-summary-reply-hook))
4245       t)))
4246
4247 (defun wl-summary-write ()
4248   "Write a new draft from Summary."
4249   (interactive)
4250   (wl-draft (list (cons 'To ""))
4251             nil nil nil nil (wl-summary-buffer-folder-name))
4252   (run-hooks 'wl-mail-setup-hook)
4253   (mail-position-on-field "To"))
4254
4255 (defvar wl-summary-write-current-folder-functions
4256   '(wl-folder-get-newsgroups
4257     wl-folder-guess-mailing-list-by-refile-rule
4258     wl-folder-guess-mailing-list-by-folder-name)
4259   "Newsgroups or Mailing List address guess functions list.
4260 Call from `wl-summary-write-current-folder'.
4261 When guess function return nil, challenge next guess-function.")
4262
4263 (defun wl-summary-write-current-folder (&optional folder)
4264   "Write message to current FOLDER's newsgroup or mailing-list.
4265 Use function list is `wl-summary-write-current-folder-functions'."
4266   (interactive)
4267   ;; default FOLDER is current buffer folder
4268   (setq folder (or folder (wl-summary-buffer-folder-name)))
4269   (let ((func-list wl-summary-write-current-folder-functions)
4270         guess-list guess-func)
4271     (while func-list
4272       (setq guess-list (funcall (car func-list) folder))
4273       (if (null guess-list)
4274           (setq func-list (cdr func-list))
4275         (setq guess-func (car func-list))
4276         (setq func-list nil)))
4277     (if (null guess-func)
4278         (wl-summary-write)
4279       (unless (or (stringp (nth 0 guess-list))
4280                   (stringp (nth 1 guess-list))
4281                   (stringp (nth 2 guess-list)))
4282         (error "Invalid value return guess function `%s'"
4283                (symbol-name guess-func)))
4284       (wl-draft (list (cons 'To (nth 0 guess-list))
4285                       (cons 'Cc (nth 1 guess-list))
4286                       (cons 'Newsgroups (nth 2 guess-list)))
4287                 nil nil nil nil folder)
4288       (run-hooks 'wl-mail-setup-hook)
4289       (mail-position-on-field "Subject"))))
4290
4291 (defun wl-summary-forward (&optional without-setup-hook)
4292   ""
4293   (interactive)
4294   (let ((folder wl-summary-buffer-elmo-folder)
4295         (number (wl-summary-message-number))
4296         (summary-buf (current-buffer))
4297         (wl-draft-forward t)
4298         entity subject num)
4299     (if (null number)
4300         (message "No message.")
4301       (if (and (elmo-message-use-cache-p folder number)
4302                (eq (elmo-file-cache-status
4303                     (elmo-file-cache-get
4304                      (elmo-message-field folder number 'message-id)))
4305                    'section))
4306           ;; Reload.
4307           (wl-summary-redisplay-internal nil nil 'force-reload)
4308         (wl-summary-redisplay-internal folder number))
4309       (wl-message-select-buffer wl-message-buffer)
4310       (setq subject (with-current-buffer
4311                         wl-message-buffer-original-buffer
4312                       (std11-field-body "Subject")))
4313       (wl-draft-forward subject summary-buf number)
4314       (with-current-buffer summary-buf (run-hooks 'wl-summary-forward-hook))
4315       (unless without-setup-hook
4316         (run-hooks 'wl-mail-setup-hook)))))
4317
4318 (defun wl-summary-click (e)
4319   (interactive "e")
4320   (mouse-set-point e)
4321   (wl-summary-read))
4322
4323 (defun wl-summary-read ()
4324   "Proceed reading message in the summary buffer."
4325   (interactive)
4326   (let ((cur-buf (current-buffer)))
4327     (wl-summary-toggle-disp-msg 'on)
4328     (when (wl-summary-set-message-buffer-or-redisplay 'ignore-original)
4329       (set-buffer cur-buf)
4330       (if (wl-message-next-page)
4331           (wl-summary-down t)))))
4332
4333 (defsubst wl-summary-cursor-move-surface (downward interactive)
4334   (if wl-summary-move-direction-toggle
4335       (setq wl-summary-move-direction-downward downward))
4336   (let ((start (point))
4337         (skip-tmark-regexp (wl-regexp-opt wl-summary-skip-mark-list))
4338         (skip t)
4339         (column (current-column))
4340         goto-next next-entity finfo)
4341     (beginning-of-line)
4342     (while (and skip
4343                 (not (if downward (eobp) (bobp))))
4344       (if downward
4345           (forward-line 1)
4346         (forward-line -1))
4347       (setq skip (or (string-match skip-tmark-regexp
4348                                    (wl-summary-temp-mark))
4349                      (not (and (wl-summary-message-number)
4350                                (elmo-message-accessible-p
4351                                 wl-summary-buffer-elmo-folder
4352                                 (wl-summary-message-number)))))))
4353     (if (if downward (eobp) (and (bobp) skip)) (setq goto-next t))
4354     (if (or (eobp) (and (bobp) skip))
4355         (goto-char start))
4356     (move-to-column column)
4357
4358     (if (not goto-next)
4359         (if wl-summary-buffer-disp-msg
4360             (wl-summary-redisplay))
4361       (if interactive
4362           (cond
4363            ((and (not downward) wl-summary-buffer-prev-folder-function)
4364             (funcall wl-summary-buffer-prev-folder-function))
4365            ((and downward wl-summary-buffer-next-folder-function)
4366             (funcall wl-summary-buffer-next-folder-function))
4367            (t
4368             (when wl-auto-select-next
4369               (setq next-entity
4370                     (if downward
4371                         (wl-summary-get-next-folder)
4372                       (wl-summary-get-prev-folder)))
4373               (if next-entity
4374                   (setq finfo (wl-folder-get-entity-info next-entity))))
4375             (wl-ask-folder
4376              '(lambda () (wl-summary-next-folder-or-exit next-entity))
4377              (format
4378               "No more messages. Type SPC to go to %s."
4379               (wl-summary-entity-info-msg next-entity finfo)))))))))
4380
4381 (defun wl-summary-prev (&optional interactive)
4382   (interactive)
4383   (wl-summary-cursor-move-surface nil (or interactive (interactive-p))))
4384
4385 (defun wl-summary-next (&optional interactive)
4386   (interactive)
4387   (wl-summary-cursor-move-surface t (or interactive (interactive-p))))
4388
4389 (defun wl-summary-up (&optional interactive skip-no-unread)
4390   ""
4391   (interactive)
4392   (if wl-summary-move-direction-toggle
4393       (setq wl-summary-move-direction-downward nil))
4394   (if (wl-summary-cursor-up)
4395       (if wl-summary-buffer-disp-msg
4396           (wl-summary-redisplay))
4397     (if (or interactive
4398             (interactive-p))
4399         (if wl-summary-buffer-prev-folder-function
4400             (funcall wl-summary-buffer-prev-folder-function)
4401           (let (next-entity finfo)
4402             (when wl-auto-select-next
4403               (progn
4404                 (setq next-entity (wl-summary-get-prev-unread-folder))
4405                 (if next-entity
4406                     (setq finfo (wl-folder-get-entity-info next-entity)))))
4407             (if (and skip-no-unread
4408                      (eq wl-auto-select-next 'skip-no-unread))
4409                 (wl-summary-next-folder-or-exit next-entity t)
4410               (wl-ask-folder
4411                '(lambda () (wl-summary-next-folder-or-exit next-entity t))
4412                (format
4413                 "No more unread messages. Type SPC to go to %s."
4414                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4415
4416 (defun wl-summary-get-prev-folder ()
4417   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4418         last-entity cur-id)
4419     (when folder-buf
4420       (setq cur-id (save-excursion (set-buffer folder-buf)
4421                                    wl-folder-buffer-cur-entity-id))
4422       (wl-folder-get-prev-folder cur-id))))
4423
4424 (defun wl-summary-get-next-folder ()
4425   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4426         cur-id)
4427     (when folder-buf
4428       (setq cur-id (save-excursion (set-buffer folder-buf)
4429                                    wl-folder-buffer-cur-entity-id))
4430       (wl-folder-get-next-folder cur-id))))
4431
4432 (defun wl-summary-get-next-unread-folder ()
4433   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4434         cur-id)
4435     (when folder-buf
4436       (setq cur-id (save-excursion (set-buffer folder-buf)
4437                                    wl-folder-buffer-cur-entity-id))
4438       (wl-folder-get-next-folder cur-id 'unread))))
4439
4440 (defun wl-summary-get-prev-unread-folder ()
4441   (let ((folder-buf (get-buffer wl-folder-buffer-name))
4442         cur-id)
4443     (when folder-buf
4444       (setq cur-id (save-excursion (set-buffer folder-buf)
4445                                    wl-folder-buffer-cur-entity-id))
4446       (wl-folder-get-prev-folder cur-id 'unread))))
4447
4448 (defun wl-summary-down (&optional interactive skip-no-unread)
4449   (interactive)
4450   (if wl-summary-move-direction-toggle
4451       (setq wl-summary-move-direction-downward t))
4452   (if (wl-summary-cursor-down)
4453       (if wl-summary-buffer-disp-msg
4454           (wl-summary-redisplay))
4455     (if (or interactive
4456             (interactive-p))
4457         (if wl-summary-buffer-next-folder-function
4458             (funcall wl-summary-buffer-next-folder-function)
4459           (let (next-entity finfo)
4460             (when wl-auto-select-next
4461               (setq next-entity (wl-summary-get-next-unread-folder)))
4462             (if next-entity
4463                 (setq finfo (wl-folder-get-entity-info next-entity)))
4464             (if (and skip-no-unread
4465                      (eq wl-auto-select-next 'skip-no-unread))
4466                 (wl-summary-next-folder-or-exit next-entity)
4467               (wl-ask-folder
4468                '(lambda () (wl-summary-next-folder-or-exit next-entity))
4469                (format
4470                 "No more unread messages. Type SPC to go to %s."
4471                 (wl-summary-entity-info-msg next-entity finfo)))))))))
4472
4473 (defun wl-summary-goto-last-displayed-msg ()
4474   (interactive)
4475   (unless wl-summary-buffer-last-displayed-msg
4476     (setq wl-summary-buffer-last-displayed-msg
4477           wl-summary-buffer-current-msg))
4478   (if wl-summary-buffer-last-displayed-msg
4479       (progn
4480         (wl-summary-jump-to-msg wl-summary-buffer-last-displayed-msg)
4481         (if wl-summary-buffer-disp-msg
4482             (wl-summary-redisplay)))
4483     (message "No last message.")))
4484
4485 (defun wl-summary-message-display-type ()
4486   (when (and wl-summary-buffer-disp-msg
4487              (buffer-live-p wl-message-buffer)
4488              wl-summary-buffer-current-msg
4489              (wl-summary-message-number)
4490              (= (wl-summary-message-number) wl-summary-buffer-current-msg))
4491     (wl-message-buffer-display-type wl-message-buffer)))
4492
4493 (defun wl-summary-buffer-display-mime-mode ()
4494   (or (wl-message-display-type-property (wl-summary-message-display-type)
4495                                         :mime)
4496       wl-summary-buffer-display-mime-mode))
4497
4498 (defun wl-summary-buffer-display-header-mode ()
4499   (or (wl-message-display-type-property (wl-summary-message-display-type)
4500                                         :header)
4501       wl-summary-buffer-display-header-mode))
4502
4503 (defun wl-summary-toggle-mime (&optional arg)
4504   "Toggle MIME decoding.
4505 If ARG is non-nil, ask coding-system to display the message in the current
4506 MIME analysis mode.
4507
4508 If ARG is numeric number, decode message as following:
4509 1: Enable MIME analysis.
4510 2: Enable MIME analysis only for headers.
4511 3: Disable MIME analysis."
4512   (interactive "P")
4513   (let ((mime-mode (wl-summary-buffer-display-mime-mode))
4514         (elmo-mime-display-as-is-coding-system
4515          elmo-mime-display-as-is-coding-system))
4516     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4517         (progn
4518           (setq wl-summary-buffer-display-mime-mode mime-mode)
4519           (wl-summary-update-modeline))
4520       (cond
4521        ((numberp arg)
4522         (setq mime-mode (case arg
4523                           (1 'mime)
4524                           (2 'header-only)
4525                           (3 'as-is)
4526 ;;;                       (4 'decode-only)
4527                           (5 'no-merge))))
4528        (arg
4529         ;; Specify coding-system (doesn't change the MIME mode).
4530         (setq elmo-mime-display-as-is-coding-system
4531               (if (and arg
4532                        (not (wl-message-mime-analysis-p
4533                              (wl-summary-message-display-type))))
4534                   (or (read-coding-system "Coding system: ")
4535                       elmo-mime-display-as-is-coding-system)
4536                 elmo-mime-display-as-is-coding-system)))
4537        (t
4538         ;; Change the MIME mode.
4539         (setq mime-mode (or (cadr (memq mime-mode
4540                                         wl-summary-display-mime-mode-list))
4541                             (car wl-summary-display-mime-mode-list)))))
4542       (wl-summary-redisplay-internal nil nil arg mime-mode))
4543     (message "MIME decoding: %s%s"
4544              (upcase (symbol-name mime-mode))
4545              (if (and (not (eq mime-mode 'mime))
4546                       (not (eq elmo-mime-display-as-is-coding-system
4547                                wl-cs-autoconv)))
4548                  (concat " ("
4549                          (symbol-name elmo-mime-display-as-is-coding-system)
4550                          ")")
4551                ""))))
4552
4553 (defun wl-summary-redisplay (&optional arg)
4554   "Redisplay message."
4555   (interactive "P")
4556   (apply #'wl-summary-redisplay-internal nil nil arg
4557          (unless (and (consp arg) (> (prefix-numeric-value arg) 4))
4558            (list wl-summary-buffer-display-mime-mode
4559                  wl-summary-buffer-display-header-mode))))
4560
4561 (defun wl-summary-toggle-all-header (&optional arg)
4562   "Toggle displaying message with all header."
4563   (interactive "P")
4564   (let ((header-mode (wl-summary-buffer-display-header-mode)))
4565     (if (and (consp arg) (> (prefix-numeric-value arg) 4))
4566         (setq wl-summary-buffer-display-header-mode header-mode)
4567       (wl-summary-redisplay-internal
4568        nil nil arg nil
4569        (if (eq header-mode 'all) 'partial 'all)))))
4570
4571 (defun wl-summary-redisplay-internal (&optional folder number force-reload
4572                                                 mime-mode header-mode)
4573   (let* ((folder (or folder wl-summary-buffer-elmo-folder))
4574          (num (or number (wl-summary-message-number)))
4575          (wl-mime-charset      wl-summary-buffer-mime-charset)
4576          (default-mime-charset wl-summary-buffer-mime-charset)
4577          fld-buf fld-win thr-entity
4578          (elmo-message-fetch-confirm (or elmo-message-fetch-confirm
4579                                          (and force-reload
4580                                               elmo-message-fetch-threshold))))
4581     (if (and wl-thread-open-reading-thread
4582              (eq wl-summary-buffer-view 'thread)
4583              (not (wl-thread-entity-get-opened
4584                    (setq thr-entity (wl-thread-get-entity
4585                                      num))))
4586              (wl-thread-entity-get-children thr-entity))
4587         (wl-thread-force-open))
4588     (if num
4589         (progn
4590           (setq wl-summary-buffer-disp-msg t)
4591           (setq wl-summary-buffer-last-displayed-msg
4592                 wl-summary-buffer-current-msg)
4593           ;; hide folder window
4594           (if (and (not wl-stay-folder-window)
4595                    (setq fld-buf (get-buffer wl-folder-buffer-name)))
4596               (if (setq fld-win (get-buffer-window fld-buf))
4597                   (delete-window fld-win)))
4598           (setq wl-current-summary-buffer (current-buffer))
4599           (wl-message-redisplay folder num
4600                                 (wl-message-make-display-type
4601                                  (or mime-mode
4602                                      (wl-summary-buffer-display-mime-mode))
4603                                  (or header-mode
4604                                      (wl-summary-buffer-display-header-mode)))
4605                                 (or force-reload
4606                                     (string= (elmo-folder-name-internal folder)
4607                                              wl-draft-folder)))
4608           (when (elmo-message-use-cache-p folder num)
4609             (elmo-message-set-cached folder num t))
4610           (ignore-errors
4611             (if (elmo-message-flagged-p wl-summary-buffer-elmo-folder
4612                                         num
4613                                         'unread)
4614                 (wl-summary-mark-as-read num)
4615               (wl-summary-count-unread)
4616               (wl-summary-update-modeline)
4617               (wl-folder-update-unread
4618                (wl-summary-buffer-folder-name)
4619                wl-summary-buffer-unread-count)))
4620           (setq wl-summary-buffer-current-msg num)
4621           (when wl-summary-recenter
4622             (recenter (/ (- (window-height) 2) 2))
4623             (if (not wl-summary-indent-length-limit)
4624                 (wl-horizontal-recenter)))
4625           (wl-highlight-summary-displaying)
4626           (wl-message-buffer-prefetch-next
4627            folder num
4628            (min (or wl-message-buffer-prefetch-depth 0)
4629                 (1- wl-message-buffer-cache-size))
4630            (current-buffer)
4631            wl-summary-buffer-mime-charset)
4632           (run-hooks 'wl-summary-redisplay-hook))
4633       (message "No message to display."))))
4634
4635 (defun wl-summary-jump-to-current-message ()
4636   "Jump into Message buffer."
4637   (interactive)
4638   (let (message-buf message-win)
4639     (if (setq message-buf wl-message-buffer)
4640         (if (setq message-win (get-buffer-window message-buf))
4641             (select-window message-win)
4642           (wl-message-select-buffer wl-message-buffer))
4643       (wl-summary-redisplay)
4644       (wl-message-select-buffer wl-message-buffer))))
4645
4646 (defun wl-summary-cancel-message ()
4647   "Cancel an article on news."
4648   (interactive)
4649   (if (null (wl-summary-message-number))
4650       (message "No message.")
4651     (let ((summary-buf (current-buffer))
4652           message-buf)
4653       (wl-summary-set-message-buffer-or-redisplay)
4654       (if (setq message-buf (wl-message-get-original-buffer))
4655           (set-buffer message-buf))
4656       (unless (wl-message-news-p)
4657         (set-buffer summary-buf)
4658         (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4659                      'nntp)
4660                  (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4661             (progn
4662               (wl-summary-redisplay t)
4663               (wl-summary-supersedes-message))
4664           (error "This is not a news article; supersedes is impossible")))
4665       (when (yes-or-no-p "Do you really want to cancel this article? ")
4666         (let (from newsgroups message-id distribution buf)
4667           (save-excursion
4668             (setq from (std11-field-body "from")
4669                   newsgroups (std11-field-body "newsgroups")
4670                   message-id (std11-field-body "message-id")
4671                   distribution (std11-field-body "distribution"))
4672             ;; Make sure that this article was written by the user.
4673             (unless (wl-address-user-mail-address-p
4674                      (wl-address-header-extract-address
4675                       (car (wl-parse-addresses from))))
4676               (error "This article is not yours"))
4677             ;; Make control message.
4678             (setq buf (set-buffer (get-buffer-create " *message cancel*")))
4679             (setq wl-draft-buffer-cur-summary-buffer summary-buf)
4680             (buffer-disable-undo (current-buffer))
4681             (erase-buffer)
4682             (insert "Newsgroups: " newsgroups "\n"
4683                     "From: " (wl-address-header-extract-address
4684                               wl-from) "\n"
4685                               "Subject: cmsg cancel " message-id "\n"
4686                               "Control: cancel " message-id "\n"
4687                               (if distribution
4688                                   (concat "Distribution: " distribution "\n")
4689                                 "")
4690                               mail-header-separator "\n"
4691                               wl-summary-cancel-message)
4692             (message "Canceling your message...")
4693             (wl-draft-raw-send t t) ; kill when done, force-pre-hooks.
4694             (message "Canceling your message...done")))))))
4695
4696 (defun wl-summary-supersedes-message ()
4697   "Supersede current message."
4698   (interactive)
4699   (wl-summary-toggle-disp-msg 'off)
4700   (let ((summary-buf (current-buffer))
4701         message-buf from)
4702     (wl-summary-set-message-buffer-or-redisplay)
4703     (if (setq message-buf (wl-message-get-original-buffer))
4704         (set-buffer message-buf))
4705     (unless (wl-message-news-p)
4706       (set-buffer summary-buf)
4707       (if (and (eq (elmo-folder-type-internal wl-summary-buffer-elmo-folder)
4708                    'nntp)
4709                (y-or-n-p "Cannot get Newsgroups. Fetch again? "))
4710           (progn
4711             (wl-summary-redisplay t)
4712             (wl-summary-supersedes-message))
4713         (error "This is not a news article; supersedes is impossible")))
4714     (save-excursion
4715       (setq from (std11-field-body "from"))
4716       ;; Make sure that this article was written by the user.
4717       (unless (wl-address-user-mail-address-p
4718                (wl-address-header-extract-address
4719                 (car (wl-parse-addresses from))))
4720         (error "This article is not yours"))
4721       (let* ((message-id (std11-field-body "message-id"))
4722              (followup-to (std11-field-body "followup-to"))
4723              (mail-default-headers
4724               (concat mail-default-headers
4725                       "Supersedes: " message-id "\n"
4726                       (and followup-to
4727                            (concat "Followup-To: " followup-to "\n")))))
4728         (if message-buf (set-buffer message-buf))
4729         (wl-draft-edit-string (buffer-substring (point-min) (point-max)))))))
4730
4731 (defun wl-summary-save (&optional arg wl-save-dir)
4732   "Save current message to disk."
4733   (interactive)
4734   (let ((filename)
4735         (num (wl-summary-message-number)))
4736     (unless wl-save-dir
4737       (setq wl-save-dir wl-temporary-file-directory))
4738     (if num
4739         (save-excursion
4740           (setq filename (expand-file-name
4741                           (concat (int-to-string num)
4742                                   wl-summary-save-file-suffix)
4743                           wl-save-dir))
4744           (when (or (null arg)
4745                     (file-exists-p filename))
4746             (setq filename (read-file-name "Save to file: " filename)))
4747           (wl-summary-set-message-buffer-or-redisplay)
4748           (set-buffer (wl-message-get-original-buffer))
4749           (when (or arg
4750                     (not (file-exists-p filename))
4751                     (y-or-n-p "File already exists.  override it? "))
4752             (write-region-as-binary (point-min) (point-max) filename)))
4753       (message "No message to save."))
4754     num))
4755
4756 (defun wl-summary-save-region (beg end)
4757   (interactive "r")
4758   (save-excursion
4759     (save-restriction
4760       (wl-summary-narrow-to-region beg end)
4761       (goto-char (point-min))
4762       (let ((wl-save-dir
4763              (wl-read-directory-name "Save to directory: "
4764                                      wl-temporary-file-directory)))
4765         (if (null (file-exists-p wl-save-dir))
4766             (make-directory wl-save-dir))
4767         (if (eq wl-summary-buffer-view 'thread)
4768             (progn
4769               (while (not (eobp))
4770                 (let* ((number (wl-summary-message-number))
4771                        (entity (wl-thread-get-entity number)))
4772                   (if (wl-thread-entity-get-opened entity)
4773                       (wl-summary-save t wl-save-dir)
4774                     ;; closed
4775                     (wl-summary-save t wl-save-dir))
4776                   (forward-line 1))))
4777           (while (not (eobp))
4778             (wl-summary-save t wl-save-dir)
4779             (forward-line 1)))))))
4780
4781 ;; mew-summary-pipe-message()
4782 (defun wl-summary-pipe-message (prefix command)
4783   "Send this message via pipe."
4784   (interactive (list current-prefix-arg nil))
4785   (if (null (wl-summary-message-number))
4786       (message "No message.")
4787     (setq command (read-string "Shell command on message: "
4788                                wl-summary-shell-command-last))
4789     (if (y-or-n-p "Send this message to pipe? ")
4790         (wl-summary-pipe-message-subr prefix command))))
4791
4792 (defun wl-summary-target-mark-pipe (prefix command)
4793   "Send each marked messages via pipe."
4794   (interactive (list current-prefix-arg nil))
4795   (if (null wl-summary-buffer-target-mark-list)
4796       (message "No marked message.")
4797     (setq command (read-string "Shell command on each marked message: "
4798                                wl-summary-shell-command-last))
4799     (when (y-or-n-p "Send each marked message to pipe? ")
4800       (while (car wl-summary-buffer-target-mark-list)
4801         (let ((num (car wl-summary-buffer-target-mark-list)))
4802           (wl-thread-jump-to-msg num)
4803           (wl-summary-pipe-message-subr prefix command)
4804           (wl-summary-unmark))))))
4805
4806 (defun wl-summary-pipe-message-subr (prefix command)
4807   (save-excursion
4808     (wl-summary-set-message-buffer-or-redisplay)
4809     (set-buffer (wl-message-get-original-buffer))
4810     (if (string= command "")
4811         (setq command wl-summary-shell-command-last))
4812     (goto-char (point-min)) ; perhaps this line won't be necessary
4813     (if prefix
4814         (search-forward "\n\n"))
4815     (shell-command-on-region (point) (point-max) command nil)
4816     (setq wl-summary-shell-command-last command)))
4817
4818 (defun wl-summary-print-message (&optional arg)
4819   (interactive "P")
4820   (if (null (wl-summary-message-number))
4821       (message "No message.")
4822     (save-excursion
4823       (wl-summary-set-message-buffer-or-redisplay)
4824       (if (or (not (interactive-p))
4825               (y-or-n-p "Print ok? "))
4826           (progn
4827             (let ((buffer (generate-new-buffer " *print*")))
4828               (copy-to-buffer buffer (point-min) (point-max))
4829               (set-buffer buffer)
4830               (funcall wl-print-buffer-function)
4831               (kill-buffer buffer)))
4832         (message "")))))
4833
4834 (defun wl-summary-print-message-with-ps-print (&optional filename)
4835   "Print message via ps-print."
4836   (interactive)
4837   (if (null (wl-summary-message-number))
4838       (message "No message.")
4839     (setq filename (ps-print-preprint current-prefix-arg))
4840     (if (or (not (interactive-p))
4841             (y-or-n-p "Print ok? "))
4842         (let ((summary-buffer (current-buffer))
4843               wl-break-pages)
4844           (save-excursion
4845             (wl-summary-set-message-buffer-or-redisplay)
4846             (let* ((buffer (generate-new-buffer " *print*"))
4847                    (entity (progn
4848                              (set-buffer summary-buffer)
4849                              (elmo-message-entity
4850                               wl-summary-buffer-elmo-folder
4851                               (wl-summary-message-number))))
4852                    (wl-ps-subject
4853                     (or (elmo-message-entity-field entity 'subject 'string)
4854                         ""))
4855                    (wl-ps-from
4856                     (or (elmo-message-entity-field entity 'from 'string)
4857                         ""))
4858                    (wl-ps-date
4859                     (or (elmo-message-entity-field entity 'date 'string)
4860                         "")))
4861               (run-hooks 'wl-ps-preprint-hook)
4862               (set-buffer wl-message-buffer)
4863               (copy-to-buffer buffer (point-min) (point-max))
4864               (set-buffer buffer)
4865               (unwind-protect
4866                   (let ((ps-left-header
4867                          (list (concat "(" wl-ps-subject ")")
4868                                (concat "(" wl-ps-from ")")))
4869                         (ps-right-header
4870                          (list "/pagenumberstring load"
4871                                (concat "(" wl-ps-date ")"))))
4872                     (run-hooks 'wl-ps-print-hook)
4873                     (funcall wl-ps-print-buffer-function filename))
4874                 (kill-buffer buffer)))))
4875       (message ""))))
4876
4877 (if (featurep 'ps-print) ; ps-print is available.
4878     (fset 'wl-summary-print-message 'wl-summary-print-message-with-ps-print))
4879
4880 (defun wl-summary-target-mark-print ()
4881   (interactive)
4882   (wl-summary-check-target-mark)
4883   (when (y-or-n-p "Print all marked messages. OK? ")
4884     (while (car wl-summary-buffer-target-mark-list)
4885       (let ((num (car wl-summary-buffer-target-mark-list)))
4886         (wl-thread-jump-to-msg num)
4887         (wl-summary-print-message)
4888         (wl-summary-unmark)))))
4889
4890 (defun wl-summary-folder-info-update ()
4891   (wl-folder-set-folder-updated
4892    (elmo-string (wl-summary-buffer-folder-name))
4893    (list 0
4894          wl-summary-buffer-unread-count
4895          (elmo-folder-length
4896           wl-summary-buffer-elmo-folder))))
4897
4898 (defun wl-summary-get-original-buffer ()
4899   "Get original buffer for the current summary."
4900   (save-excursion
4901     (wl-summary-set-message-buffer-or-redisplay)
4902     (wl-message-get-original-buffer)))
4903
4904 (defun wl-summary-pack-number (&optional arg)
4905   (interactive "P")
4906   (elmo-folder-pack-numbers wl-summary-buffer-elmo-folder)
4907   (let (wl-use-scoring)
4908     (wl-summary-rescan nil nil nil t)))
4909
4910 (defun wl-summary-target-mark-uudecode ()
4911   (interactive)
4912   (wl-summary-check-target-mark)
4913   (let ((mlist (reverse wl-summary-buffer-target-mark-list))
4914         (summary-buf (current-buffer))
4915         (tmp-buf (get-buffer-create "*WL UUENCODE*"))
4916         orig-buf i k filename rc errmsg)
4917     (setq i 1)
4918     (setq k (length mlist))
4919     (set-buffer tmp-buf)
4920     (erase-buffer)
4921     (save-window-excursion
4922       (while mlist
4923         (set-buffer summary-buf)
4924         (wl-summary-jump-to-msg (car mlist))
4925         (wl-summary-redisplay)
4926         (set-buffer (setq orig-buf (wl-summary-get-original-buffer)))
4927         (goto-char (point-min))
4928         (cond ((= i 1) ; first
4929                (if (setq filename (wl-message-uu-substring
4930                                    orig-buf tmp-buf t
4931                                    (= i k)))
4932                    nil
4933                  (error "Can't find begin line")))
4934               ((< i k)
4935                (wl-message-uu-substring orig-buf tmp-buf))
4936               (t ; last
4937                (wl-message-uu-substring orig-buf tmp-buf nil t)))
4938         (setq i (1+ i))
4939         (setq mlist (cdr mlist)))
4940       (set-buffer tmp-buf)
4941       (message "Exec %s..." wl-prog-uudecode)
4942       (unwind-protect
4943           (let ((decode-dir wl-temporary-file-directory))
4944             (if (not wl-prog-uudecode-no-stdout-option)
4945                 (setq filename (read-file-name "Save to file: "
4946                                                (expand-file-name
4947                                                 (elmo-safe-filename filename)
4948                                                 wl-temporary-file-directory)))
4949               (setq decode-dir
4950                     (wl-read-directory-name "Save to directory: "
4951                                             wl-temporary-file-directory))
4952               (setq filename (expand-file-name filename decode-dir)))
4953             (if (file-exists-p filename)
4954                 (or (yes-or-no-p (format "File %s exists. Save anyway? "
4955                                          filename))
4956                     (error "")))
4957             (elmo-bind-directory
4958              decode-dir
4959              (setq rc
4960                    (as-binary-process
4961                     (apply 'call-process-region (point-min) (point-max)
4962                            wl-prog-uudecode t (current-buffer) nil
4963                            wl-prog-uudecode-arg))))
4964             (when (not (= 0 rc))
4965               (setq errmsg (buffer-substring (point-min)(point-max)))
4966               (error "Uudecode error: %s" errmsg))
4967             (if (not wl-prog-uudecode-no-stdout-option)
4968                 (let (file-name-handler-alist) ;; void jka-compr
4969                   (as-binary-output-file
4970                    (write-region (point-min) (point-max)
4971                                  filename nil 'no-msg))))
4972             (save-excursion
4973               (set-buffer summary-buf)
4974               (wl-summary-delete-all-target-marks))
4975             (if (file-exists-p filename)
4976                 (message "Saved as %s" filename)))
4977         (kill-buffer tmp-buf)))))
4978
4979 ;; Someday
4980 ;; (defun wl-summary-drop-unsync ()
4981 ;;   "Drop all unsync messages."
4982 ;;   (interactive)
4983 ;;   (if (elmo-folder-pipe-p (wl-summary-buffer-folder-name))
4984 ;;       (error "You cannot drop unsync messages in this folder"))
4985 ;;   (if (or (not (interactive-p))
4986 ;;        (y-or-n-p "Drop all unsync messages? "))
4987 ;;       (let* ((folder-list (elmo-folder-get-primitive-folder-list
4988 ;;                         (wl-summary-buffer-folder-name)))
4989 ;;           (is-multi (elmo-multi-p (wl-summary-buffer-folder-name)))
4990 ;;           (sum 0)
4991 ;;           (multi-num 0)
4992 ;;           pair)
4993 ;;      (message "Dropping...")
4994 ;;      (while folder-list
4995 ;;        (setq pair (elmo-folder-message-numbers (car folder-list)))
4996 ;;        (when is-multi ;; dirty hack...
4997 ;;          (incf multi-num)
4998 ;;          (setcar pair (+ (* multi-num elmo-multi-divide-number)
4999 ;;                          (car pair))))
5000 ;;        (elmo-msgdb-set-number-alist
5001 ;;         (wl-summary-buffer-msgdb)
5002 ;;         (nconc
5003 ;;          (elmo-msgdb-get-number-alist (wl-summary-buffer-msgdb))
5004 ;;          (list (cons (car pair) nil))))
5005 ;;        (setq sum (+ sum (cdr pair)))
5006 ;;        (setq folder-list (cdr folder-list)))
5007 ;;      (wl-summary-set-message-modified)
5008 ;;      (wl-folder-set-folder-updated (wl-summary-buffer-folder-name)
5009 ;;                                    (list 0
5010 ;;                                          (+ wl-summary-buffer-unread-count
5011 ;;                                             wl-summary-buffer-new-count)
5012 ;;                                          sum))
5013 ;;      (message "Dropping...done"))))
5014
5015 (defun wl-summary-default-get-next-msg (msg)
5016   (or (wl-summary-next-message msg
5017                                (if wl-summary-move-direction-downward 'down
5018                                  'up)
5019                                nil)
5020       (cadr (memq msg (if wl-summary-move-direction-downward
5021                           wl-summary-buffer-number-list
5022                         (reverse wl-summary-buffer-number-list))))))
5023
5024 (defun wl-summary-save-current-message ()
5025   "Save current message for `wl-summary-yank-saved-message'."
5026   (interactive)
5027   (let ((number (wl-summary-message-number)))
5028     (setq wl-summary-buffer-saved-message number)
5029     (and number (message "No: %s is saved." number))))
5030
5031 (defun wl-summary-yank-saved-message ()
5032   "Set current message as a parent of the saved message."
5033   (interactive)
5034   (if wl-summary-buffer-saved-message
5035       (let ((number (wl-summary-message-number)))
5036         (if (eq wl-summary-buffer-saved-message number)
5037             (message "Cannot set itself as a parent.")
5038           (save-excursion
5039             (wl-thread-jump-to-msg wl-summary-buffer-saved-message)
5040             (wl-thread-set-parent number)
5041             (wl-summary-set-thread-modified))
5042           (setq  wl-summary-buffer-saved-message nil)))
5043     (message "There's no saved message.")))
5044
5045 (defun wl-summary-toggle-header-narrowing ()
5046   "Toggle message header narrowing."
5047   (interactive)
5048   (when wl-message-use-header-narrowing
5049     (save-selected-window
5050       (let* ((mbuf wl-message-buffer)
5051              (mwin (when mbuf (get-buffer-window mbuf)))
5052              (wpos (when mwin (window-start mwin))))
5053         (when mbuf
5054           (set-buffer mbuf)
5055           (wl-message-header-narrowing-toggle)
5056           (and wpos (set-window-start mwin wpos)))))))
5057
5058 (require 'product)
5059 (product-provide (provide 'wl-summary) (require 'wl-version))
5060
5061 ;;; wl-summary.el ends here