wl/wl-summary.el

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