wl/wl-e21.el

   1 ;;; wl-e21.el -- Wanderlust modules for Emacs 21.
   2
   3 ;; Copyright (C) 2000,2001 Katsumi Yamaoka <yamaoka@jpl.org>
   4 ;; Copyright (C) 2000,2001 Yuuichi Teranishi <teranisi@gohome.org>
   5
   6 ;; Author: Katsumi Yamaoka <yamaoka@jpl.org>
   7 ;; Keywords: mail, net news
   8
   9 ;; This file is part of Wanderlust (Yet Another Message Interface on Emacsen).
  10
  11 ;; This program is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15 ;;
  16 ;; This program is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20 ;;
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 ;; Boston, MA 02111-1307, USA.
  25 ;;
  26
  27 ;;; Commentary:
  28 ;;
  29 ;; This module uses `before-string' overlay property to show icon
  30 ;; images instead of `insert-image', so don't delete such overlays
  31 ;; sloppily.  Here is a sample code to show icons in the buffer.
  32 ;;
  33 ;;(let (image icon from to overlay)
  34 ;;  ;; The function `find-image' will look for an image first on `load-path'
  35 ;;  ;; and then in `data-directory'.
  36 ;;  (let ((load-path (cons wl-icon-dir load-path)))
  37 ;;    (setq image (find-image (list (list :type 'xpm :file wl-nntp-folder-icon
  38 ;;                                      :ascent 'center)))))
  39 ;;  ;; `propertize' is a convenient function in such a case.
  40 ;;  ;; String must have one or more length to wear an image.
  41 ;;  (setq icon (propertize "any string" 'display image))
  42 ;;  (pop-to-buffer (get-buffer-create "*wl-e21-demo*"))
  43 ;;  (erase-buffer)
  44 ;;  (insert "   ")
  45 ;;  (setq from (point))
  46 ;;  (insert "-fj.wanderlust:0/0/0")
  47 ;;  (setq to (point))
  48 ;;  (insert "\n")
  49 ;;  (setq overlay (make-overlay from to))
  50 ;;  ;; Put an image.
  51 ;;  (overlay-put overlay 'before-string icon)
  52 ;;  ;; Put a mark to indicate that this overlay is made by `wl-e21'.
  53 ;;  ;; It is not always necessarily.
  54 ;;  (overlay-put overlay 'wl-e21-icon t)
  55 ;;  ;; Make it to be removable.
  56 ;;  (overlay-put overlay 'evaporate t))
  57
  58 ;;; Code:
  59 ;;
  60
  61 (require 'elmo)
  62 (eval-when-compile
  63   (require 'wl-folder)
  64   (require 'wl-summary)
  65   (require 'wl-draft)
  66   (require 'wl-message)
  67   (require 'wl-highlight)
  68   (defvar-maybe wl-folder-mode-map (make-sparse-keymap))
  69   (defvar-maybe wl-draft-mode-map (make-sparse-keymap)))
  70
  71 (add-hook 'wl-folder-mode-hook 'wl-setup-folder)
  72 (add-hook 'wl-folder-mode-hook 'wl-folder-init-icons)
  73
  74 (add-hook 'wl-init-hook 'wl-biff-init-icons)
  75 (add-hook 'wl-init-hook 'wl-plugged-init-icons)
  76
  77 (add-hook 'wl-summary-mode-hook 'wl-setup-summary)
  78
  79 (defvar wl-use-toolbar (image-type-available-p 'xpm))
  80 (defvar wl-plugged-image nil)
  81 (defvar wl-unplugged-image nil)
  82 (defvar wl-biff-mail-image nil)
  83 (defvar wl-biff-nomail-image nil)
  84
  85 (defvar wl-folder-toolbar
  86   '([wl-folder-jump-to-current-entity
  87      wl-folder-jump-to-current-entity t "Enter Current Folder"]
  88     [wl-folder-next-entity
  89      wl-folder-next-entity t "Next Folder"]
  90     [wl-folder-prev-entity
  91      wl-folder-prev-entity t "Previous Folder"]
  92     [wl-folder-check-current-entity
  93      wl-folder-check-current-entity t "Check Current Folder"]
  94     ;;[wl-draft
  95     ;; wl-draft t "Write a New Message"]
  96     [wl-folder-sync-current-entity
  97      wl-folder-sync-current-entity t "Sync Current Folder"]
  98     [wl-draft
  99      wl-draft t "Write a New Message"]
 100     [wl-folder-empty-trash
 101      wl-folder-empty-trash t "Empty Trash"]
 102     [wl-exit
 103      wl-exit t "Quit Wanderlust"]
 104     )
 105   "The Folder buffer toolbar.")
 106
 107 (defvar wl-summary-toolbar
 108   '([wl-summary-read
 109      wl-summary-read t "Read Messages"]
 110     [wl-summary-next
 111      wl-summary-next t "Next Message"]
 112     [wl-summary-prev
 113      wl-summary-prev t "Previous Message"]
 114     [wl-summary-jump-to-current-message
 115      wl-summary-jump-to-current-message t "Jump to Current Message"]
 116     [wl-summary-sync-force-update
 117      wl-summary-sync-force-update t "Sync Current Folder"]
 118     [wl-summary-delete
 119      wl-summary-delete t "Delete Current Message"]
 120     [wl-summary-mark-as-important
 121      wl-summary-mark-as-important t "Mark Current Message as Important"]
 122     [wl-draft
 123      wl-draft t "Write a New Message"]
 124     [wl-summary-reply
 125      wl-summary-reply t "Reply to Current Message" ]
 126     [wl-summary-reply-with-citation
 127      wl-summary-reply-with-citation t "Reply to Current Message with Citation"]
 128     [wl-summary-forward
 129      wl-summary-forward t "Forward Current Message"]
 130     [wl-summary-exit
 131      wl-summary-exit t "Exit Current Summary"]
 132     )
 133   "The Summary buffer toolbar.")
 134
 135 (defvar wl-message-toolbar
 136   '([wl-message-read
 137      wl-message-read t "Read Contents"]
 138     [wl-message-next-content
 139      wl-message-next-content t "Next Content"]
 140     [wl-message-prev-content
 141      wl-message-prev-content t "Previous Content"]
 142     [wl-message-quit
 143      wl-message-quit t "Back to Summary"]
 144     [wl-message-play-content
 145      wl-message-play-content t "Play Content"]
 146     [wl-message-extract-content
 147      wl-message-extract-content t "Extract Content"]
 148     )
 149   "The Message buffer toolbar.")
 150
 151 (defalias 'wl-draft-insert-signature 'insert-signature);; for draft toolbar.
 152
 153 (defvar wl-draft-toolbar
 154   '([wl-draft-send-from-toolbar
 155      wl-draft-send-from-toolbar t "Send Current Draft"]
 156     [wl-draft-yank-original
 157      wl-draft-yank-original t "Yank Displaying Message"]
 158     [wl-draft-insert-signature
 159      wl-draft-insert-signature t "Insert Signature"]
 160     [wl-draft-kill
 161      wl-draft-kill t "Kill Current Draft"]
 162     )
 163   "The Draft buffer toolbar.")
 164
 165 (defun wl-e21-setup-toolbar (bar)
 166   (let ((load-path (cons wl-icon-dir load-path))
 167         (props '(:type xpm :ascent center
 168                        :color-symbols (("backgroundToolBarColor" . "None"))
 169                        :file))
 170         (success t)
 171         icon up down disabled name success)
 172     (while bar
 173       (setq icon (aref (pop bar) 0))
 174       (unless (boundp icon)
 175         (setq name (symbol-name icon)
 176               up (find-image `((,@props ,(concat name "-up.xpm")))))
 177         (if up
 178             (progn
 179               (setq down (find-image `((,@props ,(concat name "-down.xpm"))))
 180                     disabled (find-image `((,@props
 181                                             ,(concat name "-disabled.xpm")))))
 182               (set icon (vector down up disabled disabled)))
 183           (setq bar nil
 184                 success nil))))
 185     success))
 186
 187 (defvar wl-e21-toolbar-configurations
 188   '((auto-resize-tool-bar        . t)
 189     (auto-raise-tool-bar-buttons . t)
 190     (tool-bar-button-margin      . 0)
 191     (tool-bar-button-relief      . 2)))
 192
 193 (defun wl-e21-make-toolbar-buttons (keymap defs)
 194   (let ((configs wl-e21-toolbar-configurations)
 195         config)
 196     (while (setq config (pop configs))
 197       (set (make-local-variable (car config)) (cdr config))))
 198   ;; Invalidate the default bindings.
 199   (let ((keys (cdr (key-binding [tool-bar] t)))
 200         item)
 201     (while (setq item (pop keys))
 202       (when (setq item (car-safe item))
 203         (define-key keymap (vector 'tool-bar item) 'undefined))))
 204   (let ((n (length defs))
 205         def)
 206     (while (>= n 0)
 207       (setq n (1- n)
 208             def (nth n defs))
 209       (define-key keymap (vector 'tool-bar (aref def 1))
 210         (list 'menu-item (aref def 3) (aref def 1)
 211               :enable (aref def 2)
 212               :image (symbol-value (aref def 0)))))))
 213
 214 (defun wl-e21-setup-folder-toolbar ()
 215   (and wl-use-toolbar
 216        (display-graphic-p)
 217        (wl-e21-setup-toolbar wl-folder-toolbar)
 218        (wl-e21-make-toolbar-buttons wl-folder-mode-map wl-folder-toolbar)))
 219
 220 (defun wl-e21-setup-summary-toolbar ()
 221   (and wl-use-toolbar
 222        (display-graphic-p)
 223        (wl-e21-setup-toolbar wl-summary-toolbar)
 224        (wl-e21-make-toolbar-buttons wl-summary-mode-map wl-summary-toolbar)))
 225
 226 (eval-when-compile
 227   (defsubst wl-e21-setup-message-toolbar (keymap)
 228     (and wl-use-toolbar
 229          (display-graphic-p)
 230          (wl-e21-setup-toolbar wl-message-toolbar)
 231          (wl-e21-make-toolbar-buttons keymap wl-message-toolbar)))
 232
 233   (defsubst wl-e21-setup-draft-toolbar ()
 234     (and wl-use-toolbar
 235          (display-graphic-p)
 236          (wl-e21-setup-toolbar wl-draft-toolbar)
 237          (wl-e21-make-toolbar-buttons wl-draft-mode-map wl-draft-toolbar))))
 238
 239 (defvar wl-folder-toggle-icon-list
 240   '((wl-folder-opened-image       . wl-opened-group-folder-icon)
 241     (wl-folder-closed-image       . wl-closed-group-folder-icon)))
 242
 243 (eval-when-compile
 244   (defsubst wl-e21-highlight-folder-group-line (start end icon numbers)
 245     (when (display-graphic-p)
 246       (let (overlay)
 247         (let ((overlays (overlays-in start end)))
 248           (while (and (setq overlay (pop overlays))
 249                       (not (overlay-get overlay 'wl-e21-icon)))))
 250         (unless overlay
 251           (setq overlay (make-overlay start end))
 252           (overlay-put overlay 'wl-e21-icon t)
 253           (overlay-put overlay 'evaporate t))
 254         (let ((image (get icon 'image)))
 255           (unless image
 256             (let ((name (symbol-value
 257                          (cdr (assq icon wl-folder-toggle-icon-list))))
 258                   (load-path (cons wl-icon-dir load-path)))
 259               (when (setq image (find-image `((:type xpm :file ,name
 260                                                      :ascent center))))
 261                 (setq image (put icon 'image (propertize name
 262                                                          'display image))))))
 263           (overlay-put overlay 'before-string image)
 264           (overlay-put overlay 'invisible (and image t))
 265           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 266             (let ((inhibit-read-only t))
 267               (put-text-property (if image
 268                                      (max (1- start) (line-beginning-position))
 269                                    start)
 270                                  (line-end-position)
 271                                  'mouse-face 'highlight)))))))
 272
 273   (defsubst wl-e21-highlight-folder-by-numbers (start end text-face numbers)
 274     (when (display-color-p)
 275       (let ((inhibit-read-only t))
 276         (if (and wl-highlight-folder-by-numbers
 277                  numbers (nth 0 numbers) (nth 1 numbers)
 278                  (re-search-forward "[0-9-]+/[0-9-]+/[0-9-]+"
 279                                     (line-end-position) t))
 280             (let* ((unsync (nth 0 numbers))
 281                    (unread (nth 1 numbers))
 282                    (face (cond ((and unsync (zerop unsync))
 283                                 (if (and unread (zerop unread))
 284                                     'wl-highlight-folder-zero-face
 285                                   'wl-highlight-folder-unread-face))
 286                                ((and unsync
 287                                      (>= unsync
 288                                          wl-folder-many-unsync-threshold))
 289                                 'wl-highlight-folder-many-face)
 290                                (t
 291                                 'wl-highlight-folder-few-face))))
 292               (if (numberp wl-highlight-folder-by-numbers)
 293                   (progn
 294                     (put-text-property start (match-beginning 0)
 295                                        'face text-face)
 296                     (put-text-property (match-beginning 0) (match-end 0)
 297                                        'face face))
 298                 (put-text-property start (match-end 0) 'face face)))
 299           (put-text-property start (line-end-position) 'face text-face))))))
 300
 301 (defun wl-highlight-folder-current-line (&optional numbers)
 302   (interactive)
 303   (save-excursion
 304     (beginning-of-line)
 305     (let (fld-name start end)
 306       (cond
 307        (;; opened folder group
 308         (looking-at wl-highlight-folder-opened-regexp)
 309         (setq start (match-beginning 1)
 310               end (match-end 1))
 311         (wl-e21-highlight-folder-group-line start end
 312                                             'wl-folder-opened-image
 313                                             numbers)
 314         (wl-e21-highlight-folder-by-numbers start end
 315                                             'wl-highlight-folder-opened-face
 316                                             numbers))
 317        (;; closed folder group
 318         (looking-at wl-highlight-folder-closed-regexp)
 319         (setq start (match-beginning 1)
 320               end (match-end 1))
 321         (wl-e21-highlight-folder-group-line start end
 322                                             'wl-folder-closed-image
 323                                             numbers)
 324         (wl-e21-highlight-folder-by-numbers start end
 325                                             'wl-highlight-folder-closed-face
 326                                             numbers))
 327        (;; basic folder
 328         (and (setq fld-name (wl-folder-get-folder-name-by-id
 329                              (get-text-property (point) 'wl-folder-entity-id)))
 330              (looking-at "[\t ]+\\([^\t\n ]+\\)"))
 331         (setq start (match-beginning 1)
 332               end (match-end 1))
 333         (let (image)
 334           (when (display-graphic-p)
 335             (let (overlay)
 336               (let ((overlays (overlays-in start end)))
 337                 (while (and (setq overlay (pop overlays))
 338                             (not (overlay-get overlay 'wl-e21-icon)))))
 339               (unless overlay
 340                 (setq overlay (make-overlay start end))
 341                 (overlay-put overlay 'wl-e21-icon t)
 342                 (overlay-put overlay 'evaporate t))
 343               (let (type)
 344                 (unless (get (caar wl-folder-internal-icon-list) 'image)
 345                   (wl-folder-init-icons))
 346                 (setq image
 347                       (cond ((string= fld-name wl-trash-folder);; trash folder
 348                              (let ((num (nth 2 numbers)));; number of messages
 349                                (get (if (or (not num) (zerop num))
 350                                         'wl-folder-trash-empty-image
 351                                       'wl-folder-trash-image)
 352                                     'image)))
 353                             ((string= fld-name wl-draft-folder);; draft folder
 354                              (get 'wl-folder-draft-image 'image))
 355                             ((string= fld-name wl-queue-folder);; queue folder
 356                              (get 'wl-folder-queue-image 'image))
 357                             (;; and one of many other folders
 358                              (setq type (elmo-folder-type fld-name))
 359                              (get (intern (format "wl-folder-%s-image" type))
 360                                   'image)))))
 361               (overlay-put overlay 'before-string image)))
 362           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 363             (let ((inhibit-read-only t))
 364               (put-text-property (if image
 365                                      (max (1- start)
 366                                           (line-beginning-position))
 367                                    start)
 368                                  (line-end-position)
 369                                  'mouse-face 'highlight))))
 370         (when (display-color-p)
 371           (wl-e21-highlight-folder-by-numbers
 372            start end
 373            (if (looking-at (format "^[\t ]*\\(%s\\|%s\\)"
 374                                    wl-folder-unsubscribe-mark
 375                                    wl-folder-removed-mark))
 376                'wl-highlight-folder-killed-face
 377              'wl-highlight-folder-unknown-face)
 378            numbers)))))))
 379
 380 (defun wl-highlight-plugged-current-line ()
 381   (interactive)
 382   (when (display-graphic-p)
 383     (save-excursion
 384       (beginning-of-line)
 385       (when (looking-at "[\t ]*\\(\\[\\([^]]+\\)\\]\\)")
 386         (let* ((start (match-beginning 1))
 387                (end (match-end 1))
 388                (status (match-string-no-properties 2))
 389                (image (if (string-equal wl-plugged-plug-on status)
 390                           wl-plugged-image
 391                         wl-unplugged-image)))
 392           (when image
 393             (let (overlay)
 394               (let ((overlays (overlays-in start end)))
 395                 (while (and (setq overlay (pop overlays))
 396                             (not (overlay-get overlay 'wl-e21-icon)))))
 397               (unless overlay
 398                 (setq overlay (make-overlay start end))
 399                 (overlay-put overlay 'wl-e21-icon t)
 400                 (overlay-put overlay 'evaporate t))
 401               (put-text-property 0 (length status) 'display image status)
 402               (overlay-put overlay 'before-string status)
 403               (overlay-put overlay 'invisible t))))))))
 404
 405 (defun wl-plugged-set-folder-icon (folder string)
 406   (if (display-graphic-p)
 407       (let (type)
 408         (cond ((string= folder wl-queue-folder)
 409                (concat (propertize " " 'display
 410                                    (get 'wl-folder-queue-image 'image))
 411                        string))
 412               ((setq type (elmo-folder-type folder))
 413                (concat (propertize " " 'display
 414                                    (get (intern (format "wl-folder-%s-image"
 415                                                         type))
 416                                         'image))
 417                        string))
 418               (t
 419                string)))
 420     string))
 421
 422 (defvar wl-folder-internal-icon-list
 423   ;; alist of (image . icon-file)
 424   '((wl-folder-nntp-image         . wl-nntp-folder-icon)
 425     (wl-folder-imap4-image        . wl-imap-folder-icon)
 426     (wl-folder-pop3-image         . wl-pop-folder-icon)
 427     (wl-folder-localdir-image     . wl-localdir-folder-icon)
 428     (wl-folder-localnews-image    . wl-localnews-folder-icon)
 429     (wl-folder-internal-image     . wl-internal-folder-icon)
 430     (wl-folder-multi-image        . wl-multi-folder-icon)
 431     (wl-folder-filter-image       . wl-filter-folder-icon)
 432     (wl-folder-archive-image      . wl-archive-folder-icon)
 433     (wl-folder-pipe-image         . wl-pipe-folder-icon)
 434     (wl-folder-maildir-image      . wl-maildir-folder-icon)
 435     (wl-folder-nmz-image          . wl-nmz-folder-icon)
 436     (wl-folder-trash-empty-image  . wl-empty-trash-folder-icon)
 437     (wl-folder-draft-image        . wl-draft-folder-icon)
 438     (wl-folder-queue-image        . wl-queue-folder-icon)
 439     (wl-folder-trash-image        . wl-trash-folder-icon)))
 440
 441 (defun wl-folder-init-icons ()
 442   (when (display-graphic-p)
 443     (let ((load-path (cons wl-icon-dir load-path))
 444           (icons wl-folder-internal-icon-list)
 445           icon name image)
 446       (while (setq icon (pop icons))
 447         (unless (get (car icon) 'image)
 448           (setq name (symbol-value (cdr icon))
 449                 image (find-image `((:type xpm :file ,name :ascent center))))
 450           (when image
 451             (put (car icon) 'image (propertize name 'display image))))))))
 452
 453 (defun wl-plugged-init-icons ()
 454   (if (display-mouse-p)
 455       (let ((props (list 'local-map (purecopy (make-mode-line-mouse2-map
 456                                                #'wl-toggle-plugged))
 457                          'help-echo "mouse-2 toggles plugged status")))
 458         (if (display-graphic-p)
 459             (progn
 460               (unless wl-plugged-image
 461                 (let ((load-path (cons wl-icon-dir load-path)))
 462                   (setq wl-plugged-image (find-image
 463                                           `((:type xpm
 464                                                    :file ,wl-plugged-icon
 465                                                    :ascent center)))
 466                         wl-unplugged-image (find-image
 467                                             `((:type xpm
 468                                                      :file ,wl-unplugged-icon
 469                                                      :ascent center))))))
 470               (setq wl-modeline-plug-state-on
 471                     (apply 'propertize wl-plug-state-indicator-on
 472                            `(display ,wl-plugged-image ,@props))
 473                     wl-modeline-plug-state-off
 474                     (apply 'propertize wl-plug-state-indicator-off
 475                            `(display ,wl-unplugged-image ,@props))))
 476           (setq wl-modeline-plug-state-on
 477                 (apply 'propertize wl-plug-state-indicator-on props)
 478                 wl-modeline-plug-state-off
 479                 (apply 'propertize wl-plug-state-indicator-off props))))
 480     (setq wl-modeline-plug-state-on wl-plug-state-indicator-on
 481           wl-modeline-plug-state-off wl-plug-state-indicator-off)))
 482
 483 (defun wl-biff-init-icons ()
 484   (if (display-mouse-p)
 485       (let ((props (list 'local-map (purecopy (make-mode-line-mouse2-map
 486                                                (lambda nil
 487                                                  (call-interactively
 488                                                   'wl-biff-check-folders))))
 489                          'help-echo "mouse-2 checks new mails")))
 490         (if (display-graphic-p)
 491             (progn
 492               (unless wl-biff-mail-image
 493                 (let ((load-path (cons wl-icon-dir load-path)))
 494                   (setq wl-biff-mail-image (find-image
 495                                             `((:type xpm
 496                                                      :file ,wl-biff-mail-icon
 497                                                      :ascent center)))
 498                         wl-biff-nomail-image (find-image
 499                                               `((:type xpm
 500                                                        :file
 501                                                        ,wl-biff-nomail-icon
 502                                                        :ascent center))))))
 503               (setq wl-modeline-biff-state-on
 504                     (apply 'propertize wl-biff-state-indicator-on
 505                            `(display ,wl-biff-mail-image ,@props))
 506                     wl-modeline-biff-state-off
 507                     (apply 'propertize wl-biff-state-indicator-off
 508                            `(display ,wl-biff-nomail-image ,@props))))
 509           (setq wl-modeline-biff-state-on
 510                 (apply 'propertize wl-biff-state-indicator-on props)
 511                 wl-modeline-biff-state-off
 512                 (apply 'propertize wl-biff-state-indicator-off props))))
 513     (setq wl-modeline-biff-state-on wl-biff-state-indicator-on
 514           wl-modeline-biff-state-off wl-biff-state-indicator-off)))
 515
 516 (defun wl-make-date-string ()
 517   (let ((system-time-locale "C"))
 518     (format-time-string "%a, %d %b %Y %T %z")))
 519
 520 (defalias 'wl-setup-folder 'wl-e21-setup-folder-toolbar)
 521
 522 (defalias 'wl-setup-summary 'wl-e21-setup-summary-toolbar)
 523
 524 (defun wl-message-overload-functions ()
 525   (let ((keymap (current-local-map)))
 526     (when keymap
 527       (wl-e21-setup-message-toolbar keymap)
 528       (define-key keymap "l" 'wl-message-toggle-disp-summary)
 529       (define-key keymap [mouse-2] 'wl-message-refer-article-or-url)
 530       (define-key keymap [mouse-4] 'wl-message-wheel-down)
 531       (define-key keymap [mouse-5] 'wl-message-wheel-up)
 532       (define-key keymap [S-mouse-4] 'wl-message-wheel-down)
 533       (define-key keymap [S-mouse-5] 'wl-message-wheel-up)
 534       (set-keymap-parent wl-message-button-map keymap)
 535       (define-key wl-message-button-map
 536         [mouse-2] 'wl-message-button-dispatcher))))
 537
 538 (defun wl-message-wheel-up (event)
 539   (interactive "e")
 540   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 541                     (regexp-quote (buffer-name)))
 542       (wl-message-next-page)
 543     (let ((cur-buf (current-buffer))
 544           proceed)
 545       (save-selected-window
 546         (select-window (posn-window (event-start event)))
 547         (set-buffer cur-buf)
 548         (setq proceed (wl-message-next-page)))
 549       (if proceed
 550           (if (memq 'shift (event-modifiers event))
 551               (wl-summary-down t)
 552             (wl-summary-next t))))))
 553
 554 (defun wl-message-wheel-down (event)
 555   (interactive "e")
 556   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 557                     (regexp-quote (buffer-name)))
 558       (wl-message-prev-page)
 559     (let ((cur-buf (current-buffer))
 560           proceed)
 561       (save-selected-window
 562         (select-window (posn-window (event-start event)))
 563         (set-buffer cur-buf)
 564         (setq proceed (wl-message-prev-page)))
 565       (if proceed
 566           (if (memq 'shift (event-modifiers event))
 567               (wl-summary-up t)
 568             (wl-summary-prev t))))))
 569
 570 (defun wl-draft-overload-menubar ()
 571   (let ((keymap (current-local-map)))
 572     (define-key keymap [menu-bar mail send]
 573       '("Send Message" . wl-draft-send-and-exit))
 574     (define-key keymap [menu-bar mail send-stay]
 575       '("Send, Keep Editing" . wl-draft-send))
 576     (define-key keymap [menu-bar mail cancel]
 577       '("Kill Current Draft" . wl-draft-kill))
 578     (define-key keymap [menu-bar mail yank]
 579       '("Cite Message" . wl-draft-yank-original))
 580     (define-key keymap [menu-bar mail signature]
 581       '("Insert Signature" . insert-signature))
 582     (define-key keymap [menu-bar headers fcc]
 583       '("FCC" . wl-draft-fcc))))
 584
 585 (defun wl-draft-mode-setup ()
 586   (require 'derived)
 587   (define-derived-mode wl-draft-mode mail-mode "Draft"
 588     "draft mode for Wanderlust derived from mail mode.
 589 See info under Wanderlust for full documentation.
 590
 591 Special commands:
 592 \\{wl-draft-mode-map}"))
 593
 594 (defun wl-draft-key-setup ()
 595   (define-key wl-draft-mode-map "\C-c\C-y" 'wl-draft-yank-original)
 596   (define-key wl-draft-mode-map "\C-c\C-s" 'wl-draft-send)
 597   (define-key wl-draft-mode-map "\C-c\C-a" 'wl-draft-insert-x-face-field)
 598   (define-key wl-draft-mode-map "\C-c\C-c" 'wl-draft-send-and-exit)
 599   (define-key wl-draft-mode-map "\C-c\C-z" 'wl-draft-save-and-exit)
 600   (define-key wl-draft-mode-map "\C-c\C-k" 'wl-draft-kill)
 601   (define-key wl-draft-mode-map "\C-l" 'wl-draft-highlight-and-recenter)
 602   (define-key wl-draft-mode-map "\C-i" 'wl-complete-field-body-or-tab)
 603   (define-key wl-draft-mode-map "\C-c\C-r" 'wl-draft-caesar-region)
 604   (define-key wl-draft-mode-map "\M-t" 'wl-toggle-plugged)
 605   (define-key wl-draft-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 606   (define-key wl-draft-mode-map "\C-c\C-e" 'wl-draft-config-exec)
 607   (define-key wl-draft-mode-map "\C-c\C-j" 'wl-template-select)
 608   (define-key wl-draft-mode-map "\C-c\C-p" 'wl-draft-preview-message)
 609   (define-key wl-draft-mode-map "\C-x\C-s" 'wl-draft-save)
 610   (define-key wl-draft-mode-map "\C-xk"    'wl-draft-mimic-kill-buffer))
 611
 612 (defun wl-draft-overload-functions ()
 613   (wl-mode-line-buffer-identification)
 614   (local-set-key "\C-c\C-s" 'wl-draft-send);; override
 615   (wl-e21-setup-draft-toolbar)
 616   (wl-draft-overload-menubar))
 617
 618 (defalias 'wl-defface 'defface)
 619
 620 (defun wl-read-event-char ()
 621   "Get the next event."
 622   (let ((event (read-event)))
 623     (cons (and (numberp event) event) event)))
 624
 625 (require 'product)
 626 (product-provide (provide 'wl-e21) (require 'wl-version))
 627
 628 ;;; wl-e21.el ends here