wl/wl-e21.el

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