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 ;; Note that a port of Emacs to some platforms (e.g. MS-Windoze) does
  59 ;; not yet support images.  It is a pity that neither icons nor tool-
  60 ;; bars will not be displayed in such systems.
  61
  62 ;;; Code:
  63 ;;
  64
  65 (require 'elmo)
  66 (eval-when-compile
  67   (require 'wl-folder)
  68   (require 'wl-summary)
  69   (require 'wl-draft)
  70   (require 'wl-message)
  71   (require 'wl-highlight)
  72   (defvar-maybe wl-folder-mode-map (make-sparse-keymap))
  73   (defvar-maybe wl-draft-mode-map (make-sparse-keymap)))
  74
  75 (add-hook 'wl-folder-mode-hook 'wl-setup-folder)
  76 (add-hook 'wl-folder-mode-hook 'wl-folder-init-icons)
  77
  78 (add-hook 'wl-init-hook 'wl-biff-init-icons)
  79 (add-hook 'wl-init-hook 'wl-plugged-init-icons)
  80
  81 (add-hook 'wl-summary-mode-hook 'wl-setup-summary)
  82
  83 (defvar wl-use-toolbar (image-type-available-p 'xpm))
  84 (defvar wl-plugged-image nil)
  85 (defvar wl-unplugged-image nil)
  86 (defvar wl-biff-mail-image nil)
  87 (defvar wl-biff-nomail-image nil)
  88
  89 (defvar wl-folder-toolbar
  90   '([wl-folder-jump-to-current-entity
  91      wl-folder-jump-to-current-entity t "Enter Current Folder"]
  92     [wl-folder-next-entity
  93      wl-folder-next-entity t "Next Folder"]
  94     [wl-folder-prev-entity
  95      wl-folder-prev-entity t "Previous Folder"]
  96     [wl-folder-check-current-entity
  97      wl-folder-check-current-entity t "Check Current Folder"]
  98     ;;[wl-draft
  99     ;; wl-draft t "Write a New Message"]
 100     [wl-folder-sync-current-entity
 101      wl-folder-sync-current-entity t "Sync Current Folder"]
 102     [wl-draft
 103      wl-draft t "Write a New Message"]
 104     [wl-folder-empty-trash
 105      wl-folder-empty-trash t "Empty Trash"]
 106     [wl-exit
 107      wl-exit t "Quit Wanderlust"]
 108     )
 109   "The Folder buffer toolbar.")
 110
 111 (defvar wl-summary-toolbar
 112   '([wl-summary-read
 113      wl-summary-read t "Read Messages"]
 114     [wl-summary-next
 115      wl-summary-next t "Next Message"]
 116     [wl-summary-prev
 117      wl-summary-prev t "Previous Message"]
 118     [wl-summary-jump-to-current-message
 119      wl-summary-jump-to-current-message t "Jump to Current Message"]
 120     [wl-summary-sync-force-update
 121      wl-summary-sync-force-update t "Sync Current Folder"]
 122     [wl-summary-delete
 123      wl-summary-delete t "Delete Current Message"]
 124     [wl-summary-mark-as-important
 125      wl-summary-mark-as-important t "Mark Current Message as Important"]
 126     [wl-draft
 127      wl-draft t "Write a New Message"]
 128     [wl-summary-reply
 129      wl-summary-reply t "Reply to Current Message" ]
 130     [wl-summary-reply-with-citation
 131      wl-summary-reply-with-citation t "Reply to Current Message with Citation"]
 132     [wl-summary-forward
 133      wl-summary-forward t "Forward Current Message"]
 134     [wl-summary-exit
 135      wl-summary-exit t "Exit Current Summary"]
 136     )
 137   "The Summary buffer toolbar.")
 138
 139 (defvar wl-message-toolbar
 140   '([wl-message-read
 141      wl-message-read t "Read Contents"]
 142     [wl-message-next-content
 143      wl-message-next-content t "Next Content"]
 144     [wl-message-prev-content
 145      wl-message-prev-content t "Previous Content"]
 146     [wl-message-quit
 147      wl-message-quit t "Back to Summary"]
 148     [wl-message-play-content
 149      wl-message-play-content t "Play Content"]
 150     [wl-message-extract-content
 151      wl-message-extract-content t "Extract Content"]
 152     )
 153   "The Message buffer toolbar.")
 154
 155 (defalias 'wl-draft-insert-signature 'insert-signature);; for draft toolbar.
 156
 157 (defvar wl-draft-toolbar
 158   '([wl-draft-send-from-toolbar
 159      wl-draft-send-from-toolbar t "Send Current Draft"]
 160     [wl-draft-yank-original
 161      wl-draft-yank-original t "Yank Displaying Message"]
 162     [wl-draft-insert-signature
 163      wl-draft-insert-signature t "Insert Signature"]
 164     [wl-draft-kill
 165      wl-draft-kill t "Kill Current Draft"]
 166     )
 167   "The Draft buffer toolbar.")
 168
 169 (eval-when-compile
 170   (defmacro wl-e21-display-image-p ()
 171     '(and (display-graphic-p)
 172           (image-type-available-p 'xpm))))
 173
 174 (defun wl-e21-setup-toolbar (bar)
 175   (when (and wl-use-toolbar
 176              (wl-e21-display-image-p))
 177     (let ((load-path (cons wl-icon-dir load-path))
 178           (props '(:type xpm :ascent center
 179                          :color-symbols (("backgroundToolBarColor" . "None"))
 180                          :file))
 181           (success t)
 182           icon up down disabled name success)
 183       (while bar
 184         (setq icon (aref (pop bar) 0))
 185         (unless (boundp icon)
 186           (setq name (symbol-name icon)
 187                 up (find-image `((,@props ,(concat name "-up.xpm")))))
 188           (if up
 189               (progn
 190                 (setq down (find-image `((,@props ,(concat name "-down.xpm"))))
 191                       disabled (find-image
 192                                 `((,@props ,(concat name "-disabled.xpm")))))
 193                 (set icon (vector down up disabled disabled)))
 194             (setq bar nil
 195                   success nil))))
 196       success)))
 197
 198 (defvar wl-e21-toolbar-configurations
 199   '((auto-resize-tool-bar        . t)
 200     (auto-raise-tool-bar-buttons . t)
 201     (tool-bar-button-margin      . 0)
 202     (tool-bar-button-relief      . 2)))
 203
 204 (defun wl-e21-make-toolbar-buttons (keymap defs)
 205   (let ((configs wl-e21-toolbar-configurations)
 206         config)
 207     (while (setq config (pop configs))
 208       (set (make-local-variable (car config)) (cdr config))))
 209   ;; Invalidate the default bindings.
 210   (let ((keys (cdr (key-binding [tool-bar] t)))
 211         item)
 212     (while (setq item (pop keys))
 213       (when (setq item (car-safe item))
 214         (define-key keymap (vector 'tool-bar item) 'undefined))))
 215   (let ((n (length defs))
 216         def)
 217     (while (>= n 0)
 218       (setq n (1- n)
 219             def (nth n defs))
 220       (define-key keymap (vector 'tool-bar (aref def 1))
 221         (list 'menu-item (aref def 3) (aref def 1)
 222               :enable (aref def 2)
 223               :image (symbol-value (aref def 0)))))))
 224
 225 (defun wl-e21-setup-folder-toolbar ()
 226   (when (wl-e21-setup-toolbar wl-folder-toolbar)
 227     (wl-e21-make-toolbar-buttons wl-folder-mode-map wl-folder-toolbar)))
 228
 229 (defun wl-e21-setup-summary-toolbar ()
 230   (when (wl-e21-setup-toolbar wl-summary-toolbar)
 231     (wl-e21-make-toolbar-buttons wl-summary-mode-map wl-summary-toolbar)))
 232
 233 (eval-when-compile
 234   (defsubst wl-e21-setup-message-toolbar (keymap)
 235     (when (wl-e21-setup-toolbar wl-message-toolbar)
 236       (wl-e21-make-toolbar-buttons keymap wl-message-toolbar)))
 237
 238   (defsubst wl-e21-setup-draft-toolbar ()
 239     (when (wl-e21-setup-toolbar wl-draft-toolbar)
 240       (wl-e21-make-toolbar-buttons wl-draft-mode-map wl-draft-toolbar))))
 241
 242 (defvar wl-folder-toggle-icon-list
 243   '((wl-folder-opened-image       . wl-opened-group-folder-icon)
 244     (wl-folder-closed-image       . wl-closed-group-folder-icon)))
 245
 246 (eval-when-compile
 247   (defsubst wl-e21-highlight-folder-group-line (start end icon numbers)
 248     (when (wl-e21-display-image-p)
 249       (let (overlay)
 250         (let ((overlays (overlays-in start end)))
 251           (while (and (setq overlay (pop overlays))
 252                       (not (overlay-get overlay 'wl-e21-icon)))))
 253         (unless overlay
 254           (setq overlay (make-overlay start end))
 255           (overlay-put overlay 'wl-e21-icon t)
 256           (overlay-put overlay 'evaporate t))
 257         (let ((image (get icon 'image)))
 258           (unless image
 259             (let ((name (symbol-value
 260                          (cdr (assq icon wl-folder-toggle-icon-list))))
 261                   (load-path (cons wl-icon-dir load-path)))
 262               (when (setq image (find-image `((:type xpm :file ,name
 263                                                      :ascent center))))
 264                 (setq image (put icon 'image (propertize name
 265                                                          'display image))))))
 266           (overlay-put overlay 'before-string image)
 267           (overlay-put overlay 'invisible (and image t))
 268           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 269             (let ((inhibit-read-only t))
 270               (put-text-property (if image
 271                                      (max (1- start) (line-beginning-position))
 272                                    start)
 273                                  (line-end-position)
 274                                  'mouse-face 'highlight)))))))
 275
 276   (defsubst wl-e21-highlight-folder-by-numbers (start end text-face numbers)
 277     (when (display-color-p)
 278       (let ((inhibit-read-only t))
 279         (if (and wl-highlight-folder-by-numbers
 280                  numbers (nth 0 numbers) (nth 1 numbers)
 281                  (re-search-forward "[0-9-]+/[0-9-]+/[0-9-]+"
 282                                     (line-end-position) t))
 283             (let* ((unsync (nth 0 numbers))
 284                    (unread (nth 1 numbers))
 285                    (face (cond ((and unsync (zerop unsync))
 286                                 (if (and unread (zerop unread))
 287                                     'wl-highlight-folder-zero-face
 288                                   'wl-highlight-folder-unread-face))
 289                                ((and unsync
 290                                      (>= unsync
 291                                          wl-folder-many-unsync-threshold))
 292                                 'wl-highlight-folder-many-face)
 293                                (t
 294                                 'wl-highlight-folder-few-face))))
 295               (if (numberp wl-highlight-folder-by-numbers)
 296                   (progn
 297                     (put-text-property start (match-beginning 0)
 298                                        'face text-face)
 299                     (put-text-property (match-beginning 0) (match-end 0)
 300                                        'face face))
 301                 (put-text-property start (match-end 0) 'face face)))
 302           (put-text-property start (line-end-position) 'face text-face))))))
 303
 304 (defun wl-highlight-folder-current-line (&optional numbers)
 305   (interactive)
 306   (save-excursion
 307     (beginning-of-line)
 308     (let (fld-name start end)
 309       (cond
 310        (;; opened folder group
 311         (looking-at wl-highlight-folder-opened-regexp)
 312         (setq start (match-beginning 1)
 313               end (match-end 1))
 314         (wl-e21-highlight-folder-group-line start end
 315                                             'wl-folder-opened-image
 316                                             numbers)
 317         (wl-e21-highlight-folder-by-numbers start end
 318                                             'wl-highlight-folder-opened-face
 319                                             numbers))
 320        (;; closed folder group
 321         (looking-at wl-highlight-folder-closed-regexp)
 322         (setq start (match-beginning 1)
 323               end (match-end 1))
 324         (wl-e21-highlight-folder-group-line start end
 325                                             'wl-folder-closed-image
 326                                             numbers)
 327         (wl-e21-highlight-folder-by-numbers start end
 328                                             'wl-highlight-folder-closed-face
 329                                             numbers))
 330        (;; basic folder
 331         (and (setq fld-name (wl-folder-get-folder-name-by-id
 332                              (get-text-property (point) 'wl-folder-entity-id)))
 333              (looking-at "[\t ]+\\([^\t\n ]+\\)"))
 334         (setq start (match-beginning 1)
 335               end (match-end 1))
 336         (let (image)
 337           (when (wl-e21-display-image-p)
 338             (let (overlay)
 339               (let ((overlays (overlays-in start end)))
 340                 (while (and (setq overlay (pop overlays))
 341                             (not (overlay-get overlay 'wl-e21-icon)))))
 342               (unless overlay
 343                 (setq overlay (make-overlay start end))
 344                 (overlay-put overlay 'wl-e21-icon t)
 345                 (overlay-put overlay 'evaporate t))
 346               (let (type)
 347                 (unless (get (caar wl-folder-internal-icon-list) 'image)
 348                   (wl-folder-init-icons))
 349                 (setq image
 350                       (cond ((string= fld-name wl-trash-folder);; trash folder
 351                              (let ((num (nth 2 numbers)));; number of messages
 352                                (get (if (or (not num) (zerop num))
 353                                         'wl-folder-trash-empty-image
 354                                       'wl-folder-trash-image)
 355                                     'image)))
 356                             ((string= fld-name wl-draft-folder);; draft folder
 357                              (get 'wl-folder-draft-image 'image))
 358                             ((string= fld-name wl-queue-folder);; queue folder
 359                              (get 'wl-folder-queue-image 'image))
 360                             (;; and one of many other folders
 361                              (setq type (elmo-folder-type fld-name))
 362                              (get (intern (format "wl-folder-%s-image" type))
 363                                   'image)))))
 364               (overlay-put overlay 'before-string image)))
 365           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 366             (let ((inhibit-read-only t))
 367               (put-text-property (if image
 368                                      (max (1- start)
 369                                           (line-beginning-position))
 370                                    start)
 371                                  (line-end-position)
 372                                  'mouse-face 'highlight))))
 373         (when (display-color-p)
 374           (wl-e21-highlight-folder-by-numbers
 375            start end
 376            (if (looking-at (format "^[\t ]*\\(%s\\|%s\\)"
 377                                    wl-folder-unsubscribe-mark
 378                                    wl-folder-removed-mark))
 379                'wl-highlight-folder-killed-face
 380              'wl-highlight-folder-unknown-face)
 381            numbers)))))))
 382
 383 (defun wl-highlight-plugged-current-line ()
 384   (interactive)
 385   (when (wl-e21-display-image-p)
 386     (save-excursion
 387       (beginning-of-line)
 388       (when (looking-at "[\t ]*\\(\\[\\([^]]+\\)\\]\\)")
 389         (let* ((start (match-beginning 1))
 390                (end (match-end 1))
 391                (status (match-string-no-properties 2))
 392                (image (if (string-equal wl-plugged-plug-on status)
 393                           wl-plugged-image
 394                         wl-unplugged-image)))
 395           (when image
 396             (let (overlay)
 397               (let ((overlays (overlays-in start end)))
 398                 (while (and (setq overlay (pop overlays))
 399                             (not (overlay-get overlay 'wl-e21-icon)))))
 400               (unless overlay
 401                 (setq overlay (make-overlay start end))
 402                 (overlay-put overlay 'wl-e21-icon t)
 403                 (overlay-put overlay 'evaporate t))
 404               (put-text-property 0 (length status) 'display image status)
 405               (overlay-put overlay 'before-string status)
 406               (overlay-put overlay 'invisible t))))))))
 407
 408 (defun wl-plugged-set-folder-icon (folder string)
 409   (if (wl-e21-display-image-p)
 410       (let (type)
 411         (cond ((string= folder wl-queue-folder)
 412                (concat (get 'wl-folder-queue-image 'image)
 413                        string))
 414               ((setq type (elmo-folder-type folder))
 415                (concat (get (intern (format "wl-folder-%s-image"
 416                                             type))
 417                             'image)
 418                        string))
 419               (t
 420                string)))
 421     string))
 422
 423 (defvar wl-folder-internal-icon-list
 424   ;; alist of (image . icon-file)
 425   '((wl-folder-nntp-image         . wl-nntp-folder-icon)
 426     (wl-folder-imap4-image        . wl-imap-folder-icon)
 427     (wl-folder-pop3-image         . wl-pop-folder-icon)
 428     (wl-folder-localdir-image     . wl-localdir-folder-icon)
 429     (wl-folder-localnews-image    . wl-localnews-folder-icon)
 430     (wl-folder-internal-image     . wl-internal-folder-icon)
 431     (wl-folder-multi-image        . wl-multi-folder-icon)
 432     (wl-folder-filter-image       . wl-filter-folder-icon)
 433     (wl-folder-archive-image      . wl-archive-folder-icon)
 434     (wl-folder-pipe-image         . wl-pipe-folder-icon)
 435     (wl-folder-maildir-image      . wl-maildir-folder-icon)
 436     (wl-folder-nmz-image          . wl-nmz-folder-icon)
 437     (wl-folder-shimbun-image      . wl-shimbun-folder-icon)
 438     (wl-folder-trash-empty-image  . wl-empty-trash-folder-icon)
 439     (wl-folder-draft-image        . wl-draft-folder-icon)
 440     (wl-folder-queue-image        . wl-queue-folder-icon)
 441     (wl-folder-trash-image        . wl-trash-folder-icon)))
 442
 443 (defun wl-folder-init-icons ()
 444   (when (wl-e21-display-image-p)
 445     (let ((load-path (cons wl-icon-dir load-path))
 446           (icons wl-folder-internal-icon-list)
 447           icon name image)
 448       (while (setq icon (pop icons))
 449         (unless (get (car icon) 'image)
 450           (setq name (symbol-value (cdr icon))
 451                 image (find-image `((:type xpm :file ,name :ascent center))))
 452           (when image
 453             (put (car icon) 'image (propertize name 'display image))))))))
 454
 455 (defun wl-plugged-init-icons ()
 456   (let ((props (when (display-mouse-p)
 457                  (list 'local-map (purecopy (make-mode-line-mouse2-map
 458                                              #'wl-toggle-plugged))
 459                        'help-echo "mouse-2 toggles plugged status"))))
 460     (if (wl-e21-display-image-p)
 461         (progn
 462           (unless wl-plugged-image
 463             (let ((load-path (cons wl-icon-dir load-path)))
 464               (setq wl-plugged-image (find-image
 465                                       `((:type xpm
 466                                                :file ,wl-plugged-icon
 467                                                :ascent center)))
 468                     wl-unplugged-image (find-image
 469                                         `((:type xpm
 470                                                  :file ,wl-unplugged-icon
 471                                                  :ascent center))))))
 472           (setq wl-modeline-plug-state-on
 473                 (apply 'propertize wl-plug-state-indicator-on
 474                        `(display ,wl-plugged-image ,@props))
 475                 wl-modeline-plug-state-off
 476                 (apply 'propertize wl-plug-state-indicator-off
 477                        `(display ,wl-unplugged-image ,@props))))
 478       (if props
 479           (setq wl-modeline-plug-state-on
 480                 (apply 'propertize wl-plug-state-indicator-on props)
 481                 wl-modeline-plug-state-off
 482                 (apply 'propertize wl-plug-state-indicator-off props))
 483         (setq wl-modeline-plug-state-on wl-plug-state-indicator-on
 484               wl-modeline-plug-state-off wl-plug-state-indicator-off)))))
 485
 486 (defun wl-biff-init-icons ()
 487   (let ((props (when (display-mouse-p)
 488                  (list 'local-map (purecopy (make-mode-line-mouse2-map
 489                                              #'wl-biff-check-folders))
 490                        'help-echo "mouse-2 checks new mails"))))
 491     (if (wl-e21-display-image-p)
 492         (progn
 493           (unless wl-biff-mail-image
 494             (let ((load-path (cons wl-icon-dir load-path)))
 495               (setq wl-biff-mail-image (find-image
 496                                         `((:type xpm
 497                                                  :file ,wl-biff-mail-icon
 498                                                  :ascent center)))
 499                     wl-biff-nomail-image (find-image
 500                                           `((:type xpm
 501                                                    :file ,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       (if props
 510           (setq wl-modeline-biff-state-on
 511                 (apply 'propertize wl-biff-state-indicator-on props)
 512                 wl-modeline-biff-state-off
 513                 (apply 'propertize wl-biff-state-indicator-off props))
 514         (setq wl-modeline-biff-state-on wl-biff-state-indicator-on
 515               wl-modeline-biff-state-off wl-biff-state-indicator-off)))))
 516
 517 (defun wl-make-date-string ()
 518   (let ((system-time-locale "C"))
 519     (format-time-string "%a, %d %b %Y %T %z")))
 520
 521 (defalias 'wl-setup-folder 'wl-e21-setup-folder-toolbar)
 522
 523 (defalias 'wl-setup-summary 'wl-e21-setup-summary-toolbar)
 524
 525 (defun wl-message-overload-functions ()
 526   (let ((keymap (current-local-map)))
 527     (when keymap
 528       (wl-e21-setup-message-toolbar keymap)
 529       (define-key keymap "l" 'wl-message-toggle-disp-summary)
 530       (define-key keymap [mouse-2] 'wl-message-refer-article-or-url)
 531       (define-key keymap [mouse-4] 'wl-message-wheel-down)
 532       (define-key keymap [mouse-5] 'wl-message-wheel-up)
 533       (define-key keymap [S-mouse-4] 'wl-message-wheel-down)
 534       (define-key keymap [S-mouse-5] 'wl-message-wheel-up)
 535       (set-keymap-parent wl-message-button-map keymap)
 536       (define-key wl-message-button-map
 537         [mouse-2] 'wl-message-button-dispatcher))))
 538
 539 (defun wl-message-wheel-up (event)
 540   (interactive "e")
 541   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 542                     (regexp-quote (buffer-name)))
 543       (wl-message-next-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-next-page)))
 550       (if proceed
 551           (if (memq 'shift (event-modifiers event))
 552               (wl-summary-down t)
 553             (wl-summary-next t))))))
 554
 555 (defun wl-message-wheel-down (event)
 556   (interactive "e")
 557   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 558                     (regexp-quote (buffer-name)))
 559       (wl-message-prev-page)
 560     (let ((cur-buf (current-buffer))
 561           proceed)
 562       (save-selected-window
 563         (select-window (posn-window (event-start event)))
 564         (set-buffer cur-buf)
 565         (setq proceed (wl-message-prev-page)))
 566       (if proceed
 567           (if (memq 'shift (event-modifiers event))
 568               (wl-summary-up t)
 569             (wl-summary-prev t))))))
 570
 571 (defun wl-draft-overload-menubar ()
 572   (let ((keymap (current-local-map)))
 573     (define-key keymap [menu-bar mail send]
 574       '("Send Message" . wl-draft-send-and-exit))
 575     (define-key keymap [menu-bar mail send-stay]
 576       '("Send, Keep Editing" . wl-draft-send))
 577     (define-key keymap [menu-bar mail cancel]
 578       '("Kill Current Draft" . wl-draft-kill))
 579     (define-key keymap [menu-bar mail yank]
 580       '("Cite Message" . wl-draft-yank-original))
 581     (define-key keymap [menu-bar mail signature]
 582       '("Insert Signature" . insert-signature))
 583     (define-key keymap [menu-bar headers fcc]
 584       '("Fcc" . wl-draft-fcc))))
 585
 586 (defun wl-draft-mode-setup ()
 587   (require 'derived)
 588   (define-derived-mode wl-draft-mode mail-mode "Draft"
 589     "draft mode for Wanderlust derived from mail mode.
 590 See info under Wanderlust for full documentation.
 591
 592 Special commands:
 593 \\{wl-draft-mode-map}"))
 594
 595 (defun wl-draft-key-setup ()
 596   (define-key wl-draft-mode-map "\C-c\C-y" 'wl-draft-yank-original)
 597   (define-key wl-draft-mode-map "\C-c\C-s" 'wl-draft-send)
 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-c\C-x" 'wl-draft-insert-x-face-field)
 610   (define-key wl-draft-mode-map "\C-c\C-a" 'wl-addrmgr)
 611   (define-key wl-draft-mode-map "\C-x\C-s" 'wl-draft-save)
 612   (define-key wl-draft-mode-map "\C-xk"    'wl-draft-mimic-kill-buffer))
 613
 614 (defun wl-draft-overload-functions ()
 615   (wl-mode-line-buffer-identification)
 616 ;;  (local-set-key "\C-c\C-s" 'wl-draft-send);; override
 617   (wl-e21-setup-draft-toolbar)
 618   (wl-draft-overload-menubar))
 619
 620 (defalias 'wl-defface 'defface)
 621
 622 (defun wl-read-event-char ()
 623   "Get the next event."
 624   (let ((event (read-event)))
 625     (cons (and (numberp event) event) event)))
 626
 627 (require 'product)
 628 (product-provide (provide 'wl-e21) (require 'wl-version))
 629
 630 ;;; wl-e21.el ends here