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-directory 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 (add-hook 'wl-message-display-internal-hook 'wl-setup-message)
  84
  85 (defvar wl-use-toolbar (image-type-available-p 'xpm))
  86 (defvar wl-plugged-image nil)
  87 (defvar wl-unplugged-image nil)
  88 (defvar wl-biff-mail-image nil)
  89 (defvar wl-biff-nomail-image nil)
  90
  91 (defvar wl-folder-toolbar
  92   '([wl-folder-jump-to-current-entity
  93      wl-folder-jump-to-current-entity t "Enter Current Folder"]
  94     [wl-folder-next-entity
  95      wl-folder-next-entity t "Next Folder"]
  96     [wl-folder-prev-entity
  97      wl-folder-prev-entity t "Previous Folder"]
  98     [wl-folder-check-current-entity
  99      wl-folder-check-current-entity t "Check Current Folder"]
 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-goto-draft-folder
 105      wl-folder-goto-draft-folder t "Go to Draft Folder"]
 106     [wl-folder-empty-trash
 107      wl-folder-empty-trash t "Empty Trash"]
 108     [wl-exit
 109      wl-exit t "Quit Wanderlust"]
 110     )
 111   "The Folder buffer toolbar.")
 112
 113 (defvar wl-summary-toolbar
 114   '([wl-summary-read
 115      wl-summary-read t "Read Messages"]
 116     [wl-summary-next
 117      wl-summary-next t "Next Message"]
 118     [wl-summary-prev
 119      wl-summary-prev t "Previous Message"]
 120     [wl-summary-jump-to-current-message
 121      wl-summary-jump-to-current-message t "Jump to Current Message"]
 122     [wl-summary-sync-force-update
 123      wl-summary-sync-force-update t "Sync Current Folder"]
 124     [wl-summary-delete
 125      wl-summary-delete t "Delete Current Message"]
 126     [wl-summary-mark-as-important
 127      wl-summary-mark-as-important t "Mark Current Message as Important"]
 128     [wl-draft
 129      wl-summary-write-current-folder t "Write for Current Folder"]
 130     [wl-summary-reply
 131      wl-summary-reply t "Reply to Current Message" ]
 132     [wl-summary-reply-with-citation
 133      wl-summary-reply-with-citation t "Reply to Current Message with Citation"]
 134     [wl-summary-forward
 135      wl-summary-forward t "Forward Current Message"]
 136     [wl-summary-exit
 137      wl-summary-exit t "Exit Current Summary"]
 138     )
 139   "The Summary buffer toolbar.")
 140
 141 (defvar wl-message-toolbar
 142   '([wl-message-read
 143      wl-message-read t "Read Contents"]
 144     [wl-message-next-content
 145      wl-message-next-content t "Next Content"]
 146     [wl-message-prev-content
 147      wl-message-prev-content t "Previous Content"]
 148     [wl-message-quit
 149      wl-message-quit t "Back to Summary"]
 150     [wl-message-play-content
 151      wl-message-play-content t "Play Content"]
 152     [wl-message-extract-content
 153      wl-message-extract-content t "Extract Content"]
 154     )
 155   "The Message buffer toolbar.")
 156
 157 (defalias 'wl-draft-insert-signature 'insert-signature);; for draft toolbar.
 158
 159 (defvar wl-draft-toolbar
 160   '([wl-draft-send-from-toolbar
 161      wl-draft-send-from-toolbar t "Send Current Draft"]
 162     [wl-draft-yank-original
 163      wl-draft-yank-original t "Yank Displaying Message"]
 164     [wl-draft-insert-signature
 165      wl-draft-insert-signature t "Insert Signature"]
 166     [wl-draft-kill
 167      wl-draft-kill t "Kill Current Draft"]
 168     [wl-draft-save-and-exit
 169      wl-draft-save-and-exit t "Save Draft and Exit"]
 170     )
 171   "The Draft buffer toolbar.")
 172
 173 (eval-when-compile
 174   (defmacro wl-e21-display-image-p ()
 175     '(and (display-images-p)
 176           (image-type-available-p 'xpm))))
 177
 178 (defun wl-e21-setup-toolbar (bar)
 179   (when (and wl-use-toolbar
 180              (wl-e21-display-image-p))
 181     (let ((load-path (cons wl-icon-directory load-path))
 182           (props '(:type xpm :ascent center
 183                          :color-symbols (("backgroundToolBarColor" . "None"))
 184                          :file))
 185           (success t)
 186           icon up down disabled name)
 187       (while bar
 188         (setq icon (aref (pop bar) 0))
 189         (unless (boundp icon)
 190           (setq name (symbol-name icon)
 191                 up (find-image `((,@props ,(concat name "-up.xpm")))))
 192           (if up
 193               (progn
 194                 (setq down (find-image `((,@props ,(concat name "-down.xpm"))))
 195                       disabled (find-image
 196                                 `((,@props ,(concat name "-disabled.xpm")))))
 197                 (set icon (vector down up disabled disabled)))
 198             (setq bar nil
 199                   success nil))))
 200       success)))
 201
 202 (defvar wl-e21-toolbar-configurations
 203   '((auto-resize-tool-bars       . t)
 204     (auto-raise-tool-bar-buttons . t)
 205     (tool-bar-button-margin      . 2)
 206     (tool-bar-button-relief      . 1)))
 207
 208 (defun wl-e21-make-toolbar-buttons (keymap defs)
 209   (let ((configs wl-e21-toolbar-configurations)
 210         config)
 211     (while (setq config (pop configs))
 212       (set (make-local-variable (car config)) (cdr config))))
 213   ;; Invalidate the default bindings.
 214   (let ((keys (cdr (key-binding [tool-bar] t)))
 215         item)
 216     (while (setq item (pop keys))
 217       (when (setq item (car-safe item))
 218         (define-key keymap (vector 'tool-bar item) 'undefined))))
 219   (let ((n (length defs))
 220         def)
 221     (while (>= n 0)
 222       (setq n (1- n)
 223             def (nth n defs))
 224       (define-key keymap (vector 'tool-bar (aref def 1))
 225         (list 'menu-item (aref def 3) (aref def 1)
 226               :enable (aref def 2)
 227               :image (symbol-value (aref def 0)))))))
 228
 229 (defun wl-e21-setup-folder-toolbar ()
 230   (when (wl-e21-setup-toolbar wl-folder-toolbar)
 231     (wl-e21-make-toolbar-buttons wl-folder-mode-map wl-folder-toolbar)))
 232
 233 (defun wl-e21-setup-summary-toolbar ()
 234   (when (wl-e21-setup-toolbar wl-summary-toolbar)
 235     (wl-e21-make-toolbar-buttons wl-summary-mode-map wl-summary-toolbar)))
 236
 237 (eval-when-compile
 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 (defun wl-e21-setup-message-toolbar ()
 243   (when (wl-e21-setup-toolbar wl-message-toolbar)
 244     (wl-e21-make-toolbar-buttons (current-local-map) wl-message-toolbar)))
 245
 246 (defvar wl-folder-toggle-icon-list
 247   '((wl-folder-opened-image       . wl-opened-group-folder-icon)
 248     (wl-folder-closed-image       . wl-closed-group-folder-icon)))
 249
 250 (eval-when-compile
 251   (defsubst wl-e21-highlight-folder-group-line (start end icon numbers)
 252     (when (wl-e21-display-image-p)
 253       (let (overlay)
 254         (let ((overlays (overlays-in start end)))
 255           (while (and (setq overlay (pop overlays))
 256                       (not (overlay-get overlay 'wl-e21-icon)))))
 257         (unless overlay
 258           (setq overlay (make-overlay start end))
 259           (overlay-put overlay 'wl-e21-icon t)
 260           (overlay-put overlay 'evaporate t))
 261         (let ((image (get icon 'image)))
 262           (unless image
 263             (let ((name (symbol-value
 264                          (cdr (assq icon wl-folder-toggle-icon-list))))
 265                   (load-path (cons wl-icon-directory load-path)))
 266               (when (setq image (find-image `((:type xpm :file ,name
 267                                                      :ascent center))))
 268                 (setq image (put icon 'image (propertize name
 269                                                          'display image))))))
 270           (overlay-put overlay 'before-string image)
 271           (overlay-put overlay 'invisible (and image t))
 272           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 273             (let ((inhibit-read-only t))
 274               (put-text-property (if image
 275                                      (max (1- start) (line-beginning-position))
 276                                    start)
 277                                  (line-end-position)
 278                                  'mouse-face 'highlight)))))))
 279
 280   (defsubst wl-e21-highlight-folder-by-numbers (start end text-face numbers)
 281     (when (display-color-p)
 282       (let ((inhibit-read-only t))
 283         (if (and wl-highlight-folder-by-numbers
 284                  numbers (nth 0 numbers) (nth 1 numbers)
 285                  (re-search-forward "[-[:digit:]]+/[-[:digit:]]+/[-[:digit:]]+"
 286                                     (line-end-position) t))
 287             (let* ((unsync (nth 0 numbers))
 288                    (unread (nth 1 numbers))
 289                    (face (cond ((and unsync (zerop unsync))
 290                                 (if (and unread (zerop unread))
 291                                     'wl-highlight-folder-zero-face
 292                                   'wl-highlight-folder-unread-face))
 293                                ((and unsync
 294                                      (>= unsync
 295                                          wl-folder-many-unsync-threshold))
 296                                 'wl-highlight-folder-many-face)
 297                                (t
 298                                 'wl-highlight-folder-few-face))))
 299               (if (numberp wl-highlight-folder-by-numbers)
 300                   (progn
 301                     (put-text-property start (match-beginning 0)
 302                                        'face text-face)
 303                     (put-text-property (match-beginning 0) (match-end 0)
 304                                        'face face))
 305                 (put-text-property start (match-end 0) 'face face)))
 306           (put-text-property start (line-end-position) 'face text-face))))))
 307
 308 (defun wl-highlight-folder-current-line (&optional numbers)
 309   (interactive)
 310   (save-excursion
 311     (beginning-of-line)
 312     (let (fld-name start end)
 313       (cond
 314        (;; opened folder group
 315         (looking-at wl-highlight-folder-opened-regexp)
 316         (setq start (match-beginning 1)
 317               end (match-end 1))
 318         (wl-e21-highlight-folder-group-line start end
 319                                             'wl-folder-opened-image
 320                                             numbers)
 321         (wl-e21-highlight-folder-by-numbers start end
 322                                             'wl-highlight-folder-opened-face
 323                                             numbers))
 324        (;; closed folder group
 325         (looking-at wl-highlight-folder-closed-regexp)
 326         (setq start (match-beginning 1)
 327               end (match-end 1))
 328         (wl-e21-highlight-folder-group-line start end
 329                                             'wl-folder-closed-image
 330                                             numbers)
 331         (wl-e21-highlight-folder-by-numbers start end
 332                                             'wl-highlight-folder-closed-face
 333                                             numbers))
 334        (;; basic folder
 335         (and (setq fld-name (wl-folder-get-folder-name-by-id
 336                              (get-text-property (point) 'wl-folder-entity-id)))
 337              (looking-at "[[:blank:]]+\\([^[:blank:]\n]+\\)"))
 338         (setq start (match-beginning 1)
 339               end (match-end 1))
 340         (let (image)
 341           (when (wl-e21-display-image-p)
 342             (let (overlay)
 343               (let ((overlays (overlays-in start end)))
 344                 (while (and (setq overlay (pop overlays))
 345                             (not (overlay-get overlay 'wl-e21-icon)))))
 346               (unless overlay
 347                 (setq overlay (make-overlay start end))
 348                 (overlay-put overlay 'wl-e21-icon t)
 349                 (overlay-put overlay 'evaporate t))
 350               (let (type)
 351                 (unless (get (caar wl-folder-internal-icon-list) 'image)
 352                   (wl-folder-init-icons))
 353                 (setq image
 354                       (cond ((string= fld-name wl-trash-folder);; trash folder
 355                              (let ((num (nth 2 numbers)));; number of messages
 356                                (get (if (or (not num) (zerop num))
 357                                         'wl-folder-trash-empty-image
 358                                       'wl-folder-trash-image)
 359                                     'image)))
 360                             ((string= fld-name wl-draft-folder);; draft folder
 361                              (get 'wl-folder-draft-image 'image))
 362                             ((string= fld-name wl-queue-folder);; queue folder
 363                              (get 'wl-folder-queue-image 'image))
 364                             (;; and one of many other folders
 365                              (setq type (elmo-folder-type fld-name))
 366                              (get (intern (format "wl-folder-%s-image" type))
 367                                   'image)))))
 368               (overlay-put overlay 'before-string image)))
 369           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 370             (let ((inhibit-read-only t))
 371               (put-text-property (if image
 372                                      (max (1- start)
 373                                           (line-beginning-position))
 374                                    start)
 375                                  (line-end-position)
 376                                  'mouse-face 'highlight))))
 377         (when (display-color-p)
 378           (wl-e21-highlight-folder-by-numbers
 379            start end
 380            (if (looking-at (format "^[[:blank:]]*\\(?:%s\\|%s\\)"
 381                                    wl-folder-unsubscribe-mark
 382                                    wl-folder-removed-mark))
 383                'wl-highlight-folder-killed-face
 384              'wl-highlight-folder-unknown-face)
 385            numbers)))))))
 386
 387 (defun wl-highlight-plugged-current-line ()
 388   (interactive)
 389   (when (wl-e21-display-image-p)
 390     (save-excursion
 391       (beginning-of-line)
 392       (when (looking-at "[[:blank:]]*\\(\\[\\([^]]+\\)\\]\\)")
 393         (let* ((start (match-beginning 1))
 394                (end (match-end 1))
 395                (status (match-string-no-properties 2))
 396                (image (if (string-equal wl-plugged-plug-on status)
 397                           wl-plugged-image
 398                         wl-unplugged-image)))
 399           (when image
 400             (let (overlay)
 401               (let ((overlays (overlays-in start end)))
 402                 (while (and (setq overlay (pop overlays))
 403                             (not (overlay-get overlay 'wl-e21-icon)))))
 404               (unless overlay
 405                 (setq overlay (make-overlay start end))
 406                 (overlay-put overlay 'wl-e21-icon t)
 407                 (overlay-put overlay 'evaporate t))
 408               (put-text-property 0 (length status) 'display image status)
 409               (overlay-put overlay 'before-string status)
 410               (overlay-put overlay 'invisible t))))))))
 411
 412 (defun wl-plugged-set-folder-icon (folder string)
 413   (if (wl-e21-display-image-p)
 414       (let (type)
 415         (cond ((string= folder wl-queue-folder)
 416                (concat (get 'wl-folder-queue-image 'image)
 417                        string))
 418               ((setq type (elmo-folder-type folder))
 419                (concat (get (intern (format "wl-folder-%s-image"
 420                                             type))
 421                             'image)
 422                        string))
 423               (t
 424                string)))
 425     string))
 426
 427 (defvar wl-folder-internal-icon-list
 428   ;; alist of (image . icon-file)
 429   '((wl-folder-nntp-image         . wl-nntp-folder-icon)
 430     (wl-folder-imap4-image        . wl-imap-folder-icon)
 431     (wl-folder-pop3-image         . wl-pop-folder-icon)
 432     (wl-folder-localdir-image     . wl-localdir-folder-icon)
 433     (wl-folder-localnews-image    . wl-localnews-folder-icon)
 434     (wl-folder-internal-image     . wl-internal-folder-icon)
 435     (wl-folder-multi-image        . wl-multi-folder-icon)
 436     (wl-folder-filter-image       . wl-filter-folder-icon)
 437     (wl-folder-archive-image      . wl-archive-folder-icon)
 438     (wl-folder-pipe-image         . wl-pipe-folder-icon)
 439     (wl-folder-maildir-image      . wl-maildir-folder-icon)
 440     (wl-folder-nmz-image          . wl-nmz-folder-icon)
 441     (wl-folder-shimbun-image      . wl-shimbun-folder-icon)
 442     (wl-folder-trash-empty-image  . wl-empty-trash-folder-icon)
 443     (wl-folder-draft-image        . wl-draft-folder-icon)
 444     (wl-folder-queue-image        . wl-queue-folder-icon)
 445     (wl-folder-trash-image        . wl-trash-folder-icon)))
 446
 447 (defun wl-folder-init-icons ()
 448   (when (wl-e21-display-image-p)
 449     (let ((load-path (cons wl-icon-directory load-path))
 450           (icons wl-folder-internal-icon-list)
 451           icon name image)
 452       (while (setq icon (pop icons))
 453         (unless (get (car icon) 'image)
 454           (setq name (symbol-value (cdr icon))
 455                 image (find-image `((:type xpm :file ,name :ascent center))))
 456           (when image
 457             (put (car icon) 'image (propertize name 'display image))))))))
 458
 459 (defun wl-plugged-init-icons ()
 460   (let ((props (when (display-mouse-p)
 461                  (list 'local-map (purecopy (make-mode-line-mouse-map
 462                                              'mouse-2 #'wl-toggle-plugged))
 463                        'help-echo "mouse-2 toggles plugged status"))))
 464     (if (wl-e21-display-image-p)
 465         (progn
 466           (unless wl-plugged-image
 467             (let ((load-path (cons wl-icon-directory load-path)))
 468               (setq wl-plugged-image (find-image
 469                                       `((:type xpm
 470                                                :file ,wl-plugged-icon
 471                                                :ascent center)))
 472                     wl-unplugged-image (find-image
 473                                         `((:type xpm
 474                                                  :file ,wl-unplugged-icon
 475                                                  :ascent center))))))
 476           (setq wl-modeline-plug-state-on
 477                 (apply 'propertize wl-plug-state-indicator-on
 478                        `(display ,wl-plugged-image ,@props))
 479                 wl-modeline-plug-state-off
 480                 (apply 'propertize wl-plug-state-indicator-off
 481                        `(display ,wl-unplugged-image ,@props))))
 482       (if props
 483           (setq wl-modeline-plug-state-on
 484                 (apply 'propertize wl-plug-state-indicator-on props)
 485                 wl-modeline-plug-state-off
 486                 (apply 'propertize wl-plug-state-indicator-off props))
 487         (setq wl-modeline-plug-state-on wl-plug-state-indicator-on
 488               wl-modeline-plug-state-off wl-plug-state-indicator-off)))))
 489
 490 (defun wl-biff-init-icons ()
 491   (let ((props (when (display-mouse-p)
 492                  (list 'local-map (purecopy (make-mode-line-mouse-map
 493                                              'mouse-2 #'wl-biff-check-folders))
 494                        'help-echo "mouse-2 checks new mails"))))
 495     (if (wl-e21-display-image-p)
 496         (progn
 497           (unless wl-biff-mail-image
 498             (let ((load-path (cons wl-icon-directory load-path)))
 499               (setq wl-biff-mail-image (find-image
 500                                         `((:type xpm
 501                                                  :file ,wl-biff-mail-icon
 502                                                  :ascent center)))
 503                     wl-biff-nomail-image (find-image
 504                                           `((:type xpm
 505                                                    :file ,wl-biff-nomail-icon
 506                                                    :ascent center))))))
 507           (setq wl-modeline-biff-state-on
 508                 (apply 'propertize wl-biff-state-indicator-on
 509                        `(display ,wl-biff-mail-image ,@props))
 510                 wl-modeline-biff-state-off
 511                 (apply 'propertize wl-biff-state-indicator-off
 512                        `(display ,wl-biff-nomail-image ,@props))))
 513       (if props
 514           (setq wl-modeline-biff-state-on
 515                 (apply 'propertize wl-biff-state-indicator-on props)
 516                 wl-modeline-biff-state-off
 517                 (apply 'propertize wl-biff-state-indicator-off props))
 518         (setq wl-modeline-biff-state-on wl-biff-state-indicator-on
 519               wl-modeline-biff-state-off wl-biff-state-indicator-off)))))
 520
 521 (defun wl-make-date-string ()
 522   (let ((system-time-locale "C"))
 523     (format-time-string "%a, %d %b %Y %T %z")))
 524
 525 (defalias 'wl-setup-folder 'wl-e21-setup-folder-toolbar)
 526
 527 (defalias 'wl-setup-summary 'wl-e21-setup-summary-toolbar)
 528
 529 (defun wl-message-define-keymap ()
 530   (let ((keymap (make-sparse-keymap)))
 531     (define-key keymap "l" 'wl-message-toggle-disp-summary)
 532     (define-key keymap [mouse-4] 'wl-message-wheel-down)
 533     (define-key keymap [mouse-5] 'wl-message-wheel-up)
 534     (define-key keymap [S-mouse-4] 'wl-message-wheel-down)
 535     (define-key keymap [S-mouse-5] 'wl-message-wheel-up)
 536     (set-keymap-parent wl-message-button-map keymap)
 537     (define-key wl-message-button-map
 538       [mouse-2] 'wl-message-button-dispatcher)
 539     keymap))
 540
 541 (defalias 'wl-setup-message 'wl-e21-setup-message-toolbar)
 542
 543 (defun wl-message-wheel-up (event)
 544   (interactive "e")
 545   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 546                     (regexp-quote (buffer-name)))
 547       (wl-message-next-page)
 548     (let ((cur-buf (current-buffer))
 549           proceed)
 550       (save-selected-window
 551         (select-window (posn-window (event-start event)))
 552         (set-buffer cur-buf)
 553         (setq proceed (wl-message-next-page)))
 554       (if proceed
 555           (if (memq 'shift (event-modifiers event))
 556               (wl-summary-down t)
 557             (wl-summary-next t))))))
 558
 559 (defun wl-message-wheel-down (event)
 560   (interactive "e")
 561   (if (string-match (regexp-quote wl-message-buffer-cache-name)
 562                     (regexp-quote (buffer-name)))
 563       (wl-message-prev-page)
 564     (let ((cur-buf (current-buffer))
 565           proceed)
 566       (save-selected-window
 567         (select-window (posn-window (event-start event)))
 568         (set-buffer cur-buf)
 569         (setq proceed (wl-message-prev-page)))
 570       (if proceed
 571           (if (memq 'shift (event-modifiers event))
 572               (wl-summary-up t)
 573             (wl-summary-prev t))))))
 574
 575 (defun wl-draft-overload-menubar ()
 576   (let ((keymap (current-local-map)))
 577     (define-key keymap [menu-bar mail send]
 578       '("Send Message" . wl-draft-send-and-exit))
 579     (define-key keymap [menu-bar mail send-stay]
 580       '("Send, Keep Editing" . wl-draft-send))
 581     (define-key-after (lookup-key keymap [menu-bar mail])
 582       [mail-sep-send] '("--")
 583       'send-stay)
 584     (define-key keymap [menu-bar mail cancel]
 585       '("Kill Current Draft" . wl-draft-kill))
 586     (define-key-after (lookup-key keymap [menu-bar mail])
 587       [save] '("Save Draft and Exit" . wl-draft-save-and-exit)
 588       'cancel)
 589     (define-key-after (lookup-key keymap [menu-bar mail])
 590       [mail-sep-exit] '("--")
 591       'save)
 592     (define-key-after (lookup-key keymap [menu-bar mail])
 593       [preview] '("Preview Message" . wl-draft-preview-message)
 594       'mail-sep-exit)
 595     (define-key keymap [menu-bar mail yank]
 596       '("Cite Message" . wl-draft-yank-original))
 597     (define-key keymap [menu-bar mail signature]
 598       '("Insert Signature" . insert-signature))
 599     (define-key keymap [menu-bar headers fcc]
 600       '("Fcc" . wl-draft-fcc))))
 601
 602 (defun wl-draft-mode-setup ()
 603   (require 'derived)
 604   (define-derived-mode wl-draft-mode mail-mode "Draft"
 605     "draft mode for Wanderlust derived from mail mode.
 606 See info under Wanderlust for full documentation.
 607
 608 Special commands:
 609 \\{wl-draft-mode-map}"))
 610
 611 (defun wl-draft-key-setup ()
 612   (define-key wl-draft-mode-map "\C-c\C-y" 'wl-draft-yank-original)
 613   (define-key wl-draft-mode-map "\C-c\C-s" 'wl-draft-send)
 614   (define-key wl-draft-mode-map "\C-c\C-c" 'wl-draft-send-and-exit)
 615   (define-key wl-draft-mode-map "\C-c\C-z" 'wl-draft-save-and-exit)
 616   (define-key wl-draft-mode-map "\C-c\C-k" 'wl-draft-kill)
 617   (define-key wl-draft-mode-map "\C-l" 'wl-draft-highlight-and-recenter)
 618   (define-key wl-draft-mode-map "\C-i" 'wl-complete-field-body-or-tab)
 619   (define-key wl-draft-mode-map "\C-c\C-r" 'wl-draft-caesar-region)
 620   (define-key wl-draft-mode-map "\M-t" 'wl-toggle-plugged)
 621   (define-key wl-draft-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 622   (define-key wl-draft-mode-map "\C-c\C-e" 'wl-draft-config-exec)
 623   (define-key wl-draft-mode-map "\C-c\C-j" 'wl-template-select)
 624   (define-key wl-draft-mode-map "\C-c\C-p" 'wl-draft-preview-message)
 625   (define-key wl-draft-mode-map "\C-c\C-a" 'wl-addrmgr)
 626 ;;  (define-key wl-draft-mode-map "\C-x\C-s" 'wl-draft-save)
 627   (define-key wl-draft-mode-map "\C-xk"    'wl-draft-mimic-kill-buffer)
 628   (define-key wl-draft-mode-map "\C-c\C-d" 'wl-draft-elide-region))
 629
 630 (defun wl-draft-overload-functions ()
 631   (wl-mode-line-buffer-identification)
 632 ;;  (local-set-key "\C-c\C-s" 'wl-draft-send);; override
 633   (wl-e21-setup-draft-toolbar)
 634   (wl-draft-overload-menubar))
 635
 636 (defalias 'wl-defface 'defface)
 637
 638 (defun wl-read-event-char ()
 639   "Get the next event."
 640   (let ((event (read-event)))
 641     (cons (and (numberp event) event) event)))
 642
 643 (put 'wl-modeline-biff-state-on 'risky-local-variable t)
 644 (put 'wl-modeline-biff-state-off 'risky-local-variable t)
 645 (put 'wl-modeline-plug-state-on 'risky-local-variable t)
 646 (put 'wl-modeline-plug-state-off 'risky-local-variable t)
 647
 648 (require 'product)
 649 (product-provide (provide 'wl-e21) (require 'wl-version))
 650
 651 ;;; wl-e21.el ends here