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-draft-mode-map (make-sparse-keymap)))
  73
  74 (add-hook 'wl-folder-mode-hook 'wl-setup-folder)
  75 (add-hook 'wl-folder-mode-hook 'wl-folder-init-icons)
  76
  77 (add-hook 'wl-init-hook 'wl-biff-init-icons)
  78 (add-hook 'wl-init-hook 'wl-plugged-init-icons)
  79
  80 (add-hook 'wl-summary-mode-hook 'wl-setup-summary)
  81
  82 (add-hook 'wl-message-display-internal-hook 'wl-setup-message)
  83
  84 (defvar wl-use-toolbar (image-type-available-p 'xpm))
  85 (defvar wl-plugged-image nil)
  86 (defvar wl-unplugged-image nil)
  87 (defvar wl-biff-mail-image nil)
  88 (defvar wl-biff-nomail-image nil)
  89
  90 (defvar wl-folder-toolbar
  91   '([wl-folder-jump-to-current-entity
  92      wl-folder-jump-to-current-entity t "Enter Current Folder"]
  93     [wl-folder-next-entity
  94      wl-folder-next-entity t "Next Folder"]
  95     [wl-folder-prev-entity
  96      wl-folder-prev-entity t "Previous Folder"]
  97     [wl-folder-check-current-entity
  98      wl-folder-check-current-entity t "Check Current Folder"]
  99     [wl-folder-sync-current-entity
 100      wl-folder-sync-current-entity t "Sync Current Folder"]
 101     [wl-draft
 102      wl-draft t "Write a New Message"]
 103     [wl-folder-goto-draft-folder
 104      wl-folder-goto-draft-folder t "Go to Draft Folder"]
 105     [wl-folder-empty-trash
 106      wl-folder-empty-trash t "Empty Trash"]
 107     [wl-exit
 108      wl-exit t "Quit Wanderlust"]
 109     )
 110   "The Folder buffer toolbar.")
 111
 112 (defvar wl-summary-toolbar
 113   '([wl-summary-read
 114      wl-summary-read t "Read Messages"]
 115     [wl-summary-next
 116      wl-summary-next t "Next Message"]
 117     [wl-summary-prev
 118      wl-summary-prev t "Previous Message"]
 119     [wl-summary-jump-to-current-message
 120      wl-summary-jump-to-current-message t "Jump to Current Message"]
 121     [wl-summary-sync-force-update
 122      wl-summary-sync-force-update t "Sync Current Folder"]
 123     [wl-summary-delete
 124      wl-summary-delete t "Delete Current Message"]
 125     [wl-summary-mark-as-important
 126      wl-summary-mark-as-important t "Mark Current Message as Important"]
 127     [wl-draft
 128      wl-summary-write-current-folder t "Write for Current Folder"]
 129     [wl-summary-reply
 130      wl-summary-reply t "Reply to Current Message" ]
 131     [wl-summary-reply-with-citation
 132      wl-summary-reply-with-citation t "Reply to Current Message with Citation"]
 133     [wl-summary-forward
 134      wl-summary-forward t "Forward Current Message"]
 135     [wl-summary-exit
 136      wl-summary-exit t "Exit Current Summary"]
 137     )
 138   "The Summary buffer toolbar.")
 139
 140 (defvar wl-message-toolbar
 141   '([wl-message-read
 142      wl-message-read t "Read Contents"]
 143     [wl-message-next-content
 144      wl-message-next-content t "Next Content"]
 145     [wl-message-prev-content
 146      wl-message-prev-content t "Previous Content"]
 147     [wl-message-quit
 148      wl-message-quit t "Back to Summary"]
 149     [wl-message-play-content
 150      wl-message-play-content t "Play Content"]
 151     [wl-message-extract-content
 152      wl-message-extract-content t "Extract Content"]
 153     )
 154   "The Message buffer toolbar.")
 155
 156 (defalias 'wl-draft-insert-signature 'insert-signature);; for draft toolbar.
 157
 158 (defvar wl-draft-toolbar
 159   '([wl-draft-send-from-toolbar
 160      wl-draft-send-from-toolbar t "Send Current Draft"]
 161     [wl-draft-yank-original
 162      wl-draft-yank-original t "Yank Displaying Message"]
 163     [wl-draft-insert-signature
 164      wl-draft-insert-signature t "Insert Signature"]
 165     [wl-draft-kill
 166      wl-draft-kill t "Kill Current Draft"]
 167     [wl-draft-save-and-exit
 168      wl-draft-save-and-exit t "Save Draft and Exit"]
 169     )
 170   "The Draft buffer toolbar.")
 171
 172 (eval-when-compile
 173   (defmacro wl-e21-display-image-p ()
 174     '(and (display-images-p)
 175           (image-type-available-p 'xpm))))
 176
 177 (defun wl-e21-setup-toolbar (bar)
 178   (when (and wl-use-toolbar
 179              (wl-e21-display-image-p))
 180     (let ((load-path (cons wl-icon-directory load-path))
 181           (props '(:type xpm :ascent center
 182                          :color-symbols (("backgroundToolBarColor" . "None"))
 183                          :file))
 184           (success t)
 185           icon up down disabled name)
 186       (while bar
 187         (setq icon (aref (pop bar) 0))
 188         (unless (boundp icon)
 189           (setq name (symbol-name icon)
 190                 up (find-image `((,@props ,(concat name "-up.xpm")))))
 191           (if up
 192               (progn
 193                 (setq down (find-image `((,@props ,(concat name "-down.xpm"))))
 194                       disabled (find-image
 195                                 `((,@props ,(concat name "-disabled.xpm")))))
 196                 (set icon (vector down up disabled disabled)))
 197             (setq bar nil
 198                   success nil))))
 199       success)))
 200
 201 (defvar wl-e21-toolbar-configurations
 202   '((auto-resize-tool-bars       . t)
 203     (auto-raise-tool-bar-buttons . t)
 204     (tool-bar-button-margin      . 2)
 205     (tool-bar-button-relief      . 1)))
 206
 207 (defun wl-e21-make-toolbar-buttons (keymap defs)
 208   (let ((configs wl-e21-toolbar-configurations)
 209         config)
 210     (while (setq config (pop configs))
 211       (set (make-local-variable (car config)) (cdr config))))
 212   ;; Invalidate the default bindings.
 213   (let ((keys (cdr (key-binding [tool-bar] t)))
 214         item)
 215     (while (setq item (pop keys))
 216       (when (setq item (car-safe item))
 217         (define-key keymap (vector 'tool-bar item) 'undefined))))
 218   (let ((n (length defs))
 219         def)
 220     (while (>= n 0)
 221       (setq n (1- n)
 222             def (nth n defs))
 223       (define-key keymap (vector 'tool-bar (aref def 1))
 224         (list 'menu-item (aref def 3) (aref def 1)
 225               :enable (aref def 2)
 226               :image (symbol-value (aref def 0)))))))
 227
 228 (defun wl-e21-setup-folder-toolbar ()
 229   (when (wl-e21-setup-toolbar wl-folder-toolbar)
 230     (wl-e21-make-toolbar-buttons wl-folder-mode-map wl-folder-toolbar)))
 231
 232 (defun wl-e21-setup-summary-toolbar ()
 233   (when (wl-e21-setup-toolbar wl-summary-toolbar)
 234     (wl-e21-make-toolbar-buttons wl-summary-mode-map wl-summary-toolbar)))
 235
 236 (eval-when-compile
 237   (defsubst wl-e21-setup-draft-toolbar ()
 238     (when (wl-e21-setup-toolbar wl-draft-toolbar)
 239       (wl-e21-make-toolbar-buttons wl-draft-mode-map wl-draft-toolbar))))
 240
 241 (defun wl-e21-setup-message-toolbar ()
 242   (when (wl-e21-setup-toolbar wl-message-toolbar)
 243     (wl-e21-make-toolbar-buttons (current-local-map) wl-message-toolbar)))
 244
 245 (defvar wl-folder-toggle-icon-list
 246   '((wl-folder-opened-image       . wl-opened-group-folder-icon)
 247     (wl-folder-closed-image       . wl-closed-group-folder-icon)))
 248
 249 (eval-when-compile
 250   (defsubst wl-e21-highlight-folder-group-line (start end icon numbers)
 251     (when (wl-e21-display-image-p)
 252       (let (overlay)
 253         (let ((overlays (overlays-in start end)))
 254           (while (and (setq overlay (pop overlays))
 255                       (not (overlay-get overlay 'wl-e21-icon)))))
 256         (unless overlay
 257           (setq overlay (make-overlay start end))
 258           (overlay-put overlay 'wl-e21-icon t)
 259           (overlay-put overlay 'evaporate t))
 260         (let ((image (get icon 'image)))
 261           (unless image
 262             (let ((name (symbol-value
 263                          (cdr (assq icon wl-folder-toggle-icon-list))))
 264                   (load-path (cons wl-icon-directory load-path)))
 265               (when (setq image (find-image `((:type xpm :file ,name
 266                                                      :ascent center))))
 267                 (setq image (put icon 'image (propertize name
 268                                                          'display image))))))
 269           (overlay-put overlay 'before-string image)
 270           (overlay-put overlay 'invisible (and image t))
 271           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 272             (let ((inhibit-read-only t))
 273               (put-text-property (if image
 274                                      (max (1- start) (line-beginning-position))
 275                                    start)
 276                                  (line-end-position)
 277                                  'mouse-face 'highlight)))))))
 278
 279   (defsubst wl-e21-highlight-folder-by-numbers (start end text-face numbers)
 280     (when (display-color-p)
 281       (let ((inhibit-read-only t))
 282         (if (and wl-highlight-folder-by-numbers
 283                  numbers (nth 0 numbers) (nth 1 numbers)
 284                  (re-search-forward "[-[:digit:]]+/[-[:digit:]]+/[-[:digit:]]+"
 285                                     (line-end-position) t))
 286             (let* ((unsync (nth 0 numbers))
 287                    (unread (nth 1 numbers))
 288                    (face (cond ((and unsync (zerop unsync))
 289                                 (if (and unread (zerop unread))
 290                                     'wl-highlight-folder-zero-face
 291                                   'wl-highlight-folder-unread-face))
 292                                ((and unsync
 293                                      (>= unsync
 294                                          wl-folder-many-unsync-threshold))
 295                                 'wl-highlight-folder-many-face)
 296                                (t
 297                                 'wl-highlight-folder-few-face))))
 298               (if (numberp wl-highlight-folder-by-numbers)
 299                   (progn
 300                     (put-text-property start (match-beginning 0)
 301                                        'face text-face)
 302                     (put-text-property (match-beginning 0) (match-end 0)
 303                                        'face face))
 304                 (put-text-property start (match-end 0) 'face face)))
 305           (put-text-property start (line-end-position) 'face text-face))))))
 306
 307 (defun wl-highlight-folder-current-line (&optional numbers)
 308   (interactive)
 309   (save-excursion
 310     (beginning-of-line)
 311     (let (fld-name start end)
 312       (cond
 313        (;; opened folder group
 314         (looking-at wl-highlight-folder-opened-regexp)
 315         (setq start (match-beginning 1)
 316               end (match-end 1))
 317         (wl-e21-highlight-folder-group-line start end
 318                                             'wl-folder-opened-image
 319                                             numbers)
 320         (wl-e21-highlight-folder-by-numbers start end
 321                                             'wl-highlight-folder-opened-face
 322                                             numbers))
 323        (;; closed folder group
 324         (looking-at wl-highlight-folder-closed-regexp)
 325         (setq start (match-beginning 1)
 326               end (match-end 1))
 327         (wl-e21-highlight-folder-group-line start end
 328                                             'wl-folder-closed-image
 329                                             numbers)
 330         (wl-e21-highlight-folder-by-numbers start end
 331                                             'wl-highlight-folder-closed-face
 332                                             numbers))
 333        (;; basic folder
 334         (and (setq fld-name (wl-folder-get-folder-name-by-id
 335                              (get-text-property (point) 'wl-folder-entity-id)))
 336              (looking-at "[[:blank:]]+\\([^[:blank:]\n]+\\)"))
 337         (setq start (match-beginning 1)
 338               end (match-end 1))
 339         (let (image)
 340           (when (wl-e21-display-image-p)
 341             (let (overlay)
 342               (let ((overlays (overlays-in start end)))
 343                 (while (and (setq overlay (pop overlays))
 344                             (not (overlay-get overlay 'wl-e21-icon)))))
 345               (unless overlay
 346                 (setq overlay (make-overlay start end))
 347                 (overlay-put overlay 'wl-e21-icon t)
 348                 (overlay-put overlay 'evaporate t))
 349               (let (type)
 350                 (unless (get (caar wl-folder-internal-icon-list) 'image)
 351                   (wl-folder-init-icons))
 352                 (setq image
 353                       (cond ((string= fld-name wl-trash-folder);; trash folder
 354                              (let ((num (nth 2 numbers)));; number of messages
 355                                (get (if (or (not num) (zerop num))
 356                                         'wl-folder-trash-empty-image
 357                                       'wl-folder-trash-image)
 358                                     'image)))
 359                             ((string= fld-name wl-draft-folder);; draft folder
 360                              (get 'wl-folder-draft-image 'image))
 361                             ((string= fld-name wl-queue-folder);; queue folder
 362                              (get 'wl-folder-queue-image 'image))
 363                             (;; and one of many other folders
 364                              (setq type (elmo-folder-type fld-name))
 365                              (get (intern (format "wl-folder-%s-image" type))
 366                                   'image)))))
 367               (overlay-put overlay 'before-string image)))
 368           (when (and wl-use-highlight-mouse-line (display-mouse-p))
 369             (let ((inhibit-read-only t))
 370               (put-text-property (if image
 371                                      (max (1- start)
 372                                           (line-beginning-position))
 373                                    start)
 374                                  (line-end-position)
 375                                  'mouse-face 'highlight))))
 376         (when (display-color-p)
 377           (wl-e21-highlight-folder-by-numbers
 378            start end
 379            (if (looking-at (format "^[[:blank:]]*\\(?:%s\\|%s\\)"
 380                                    wl-folder-unsubscribe-mark
 381                                    wl-folder-removed-mark))
 382                'wl-highlight-folder-killed-face
 383              'wl-highlight-folder-unknown-face)
 384            numbers)))))))
 385
 386 (defun wl-highlight-plugged-current-line ()
 387   (interactive)
 388   (when (wl-e21-display-image-p)
 389     (save-excursion
 390       (beginning-of-line)
 391       (when (looking-at "[[:blank:]]*\\(\\[\\([^]]+\\)\\]\\)")
 392         (let* ((start (match-beginning 1))
 393                (end (match-end 1))
 394                (status (match-string-no-properties 2))
 395                (image (if (string-equal wl-plugged-plug-on status)
 396                           wl-plugged-image
 397                         wl-unplugged-image)))
 398           (when image
 399             (let (overlay)
 400               (let ((overlays (overlays-in start end)))
 401                 (while (and (setq overlay (pop overlays))
 402                             (not (overlay-get overlay 'wl-e21-icon)))))
 403               (unless overlay
 404                 (setq overlay (make-overlay start end))
 405                 (overlay-put overlay 'wl-e21-icon t)
 406                 (overlay-put overlay 'evaporate t))
 407               (put-text-property 0 (length status) 'display image status)
 408               (overlay-put overlay 'before-string status)
 409               (overlay-put overlay 'invisible t))))))))
 410
 411 (defun wl-plugged-set-folder-icon (folder string)
 412   (if (wl-e21-display-image-p)
 413       (let (type)
 414         (cond ((string= folder wl-queue-folder)
 415                (concat (get 'wl-folder-queue-image 'image)
 416                        string))
 417               ((setq type (elmo-folder-type folder))
 418                (concat (get (intern (format "wl-folder-%s-image"
 419                                             type))
 420                             'image)
 421                        string))
 422               (t
 423                string)))
 424     string))
 425
 426 (defvar wl-folder-internal-icon-list
 427   ;; alist of (image . icon-file)
 428   '((wl-folder-nntp-image         . wl-nntp-folder-icon)
 429     (wl-folder-imap4-image        . wl-imap-folder-icon)
 430     (wl-folder-pop3-image         . wl-pop-folder-icon)
 431     (wl-folder-localdir-image     . wl-localdir-folder-icon)
 432     (wl-folder-localnews-image    . wl-localnews-folder-icon)
 433     (wl-folder-internal-image     . wl-internal-folder-icon)
 434     (wl-folder-multi-image        . wl-multi-folder-icon)
 435     (wl-folder-filter-image       . wl-filter-folder-icon)
 436     (wl-folder-archive-image      . wl-archive-folder-icon)
 437     (wl-folder-pipe-image         . wl-pipe-folder-icon)
 438     (wl-folder-maildir-image      . wl-maildir-folder-icon)
 439     (wl-folder-nmz-image          . wl-nmz-folder-icon)
 440     (wl-folder-shimbun-image      . wl-shimbun-folder-icon)
 441     (wl-folder-trash-empty-image  . wl-empty-trash-folder-icon)
 442     (wl-folder-draft-image        . wl-draft-folder-icon)
 443     (wl-folder-queue-image        . wl-queue-folder-icon)
 444     (wl-folder-trash-image        . wl-trash-folder-icon)))
 445
 446 (defun wl-folder-init-icons ()
 447   (when (wl-e21-display-image-p)
 448     (let ((load-path (cons wl-icon-directory load-path))
 449           (icons wl-folder-internal-icon-list)
 450           icon name image)
 451       (while (setq icon (pop icons))
 452         (unless (get (car icon) 'image)
 453           (setq name (symbol-value (cdr icon))
 454                 image (find-image `((:type xpm :file ,name :ascent center))))
 455           (when image
 456             (put (car icon) 'image (propertize name 'display image))))))))
 457
 458 (defun wl-plugged-init-icons ()
 459   (let ((props (when (display-mouse-p)
 460                  (list 'local-map (purecopy (make-mode-line-mouse-map
 461                                              'mouse-2 #'wl-toggle-plugged))
 462                        'help-echo "mouse-2 toggles plugged status"))))
 463     (if (wl-e21-display-image-p)
 464         (progn
 465           (unless wl-plugged-image
 466             (let ((load-path (cons wl-icon-directory load-path)))
 467               (setq wl-plugged-image (find-image
 468                                       `((:type xpm
 469                                                :file ,wl-plugged-icon
 470                                                :ascent center)))
 471                     wl-unplugged-image (find-image
 472                                         `((:type xpm
 473                                                  :file ,wl-unplugged-icon
 474                                                  :ascent center))))))
 475           (setq wl-modeline-plug-state-on
 476                 (apply 'propertize wl-plug-state-indicator-on
 477                        `(display ,wl-plugged-image ,@props))
 478                 wl-modeline-plug-state-off
 479                 (apply 'propertize wl-plug-state-indicator-off
 480                        `(display ,wl-unplugged-image ,@props))))
 481       (if props
 482           (setq wl-modeline-plug-state-on
 483                 (apply 'propertize wl-plug-state-indicator-on props)
 484                 wl-modeline-plug-state-off
 485                 (apply 'propertize wl-plug-state-indicator-off props))
 486         (setq wl-modeline-plug-state-on wl-plug-state-indicator-on
 487               wl-modeline-plug-state-off wl-plug-state-indicator-off)))))
 488
 489 (defun wl-biff-init-icons ()
 490   (let ((props (when (display-mouse-p)
 491                  (list 'local-map (purecopy (make-mode-line-mouse-map
 492                                              'mouse-2 #'wl-biff-check-folders))
 493                        'help-echo "mouse-2 checks new mails"))))
 494     (if (wl-e21-display-image-p)
 495         (progn
 496           (unless wl-biff-mail-image
 497             (let ((load-path (cons wl-icon-directory load-path)))
 498               (setq wl-biff-mail-image (find-image
 499                                         `((:type xpm
 500                                                  :file ,wl-biff-mail-icon
 501                                                  :ascent center)))
 502                     wl-biff-nomail-image (find-image
 503                                           `((:type xpm
 504                                                    :file ,wl-biff-nomail-icon
 505                                                    :ascent center))))))
 506           (setq wl-modeline-biff-state-on
 507                 (apply 'propertize wl-biff-state-indicator-on
 508                        `(display ,wl-biff-mail-image ,@props))
 509                 wl-modeline-biff-state-off
 510                 (apply 'propertize wl-biff-state-indicator-off
 511                        `(display ,wl-biff-nomail-image ,@props))))
 512       (if props
 513           (setq wl-modeline-biff-state-on
 514                 (apply 'propertize wl-biff-state-indicator-on props)
 515                 wl-modeline-biff-state-off
 516                 (apply 'propertize wl-biff-state-indicator-off props))
 517         (setq wl-modeline-biff-state-on wl-biff-state-indicator-on
 518               wl-modeline-biff-state-off wl-biff-state-indicator-off)))))
 519
 520 (defun wl-make-date-string ()
 521   (let ((system-time-locale "C"))
 522     (format-time-string "%a, %d %b %Y %T %z")))
 523
 524 (defalias 'wl-setup-folder 'wl-e21-setup-folder-toolbar)
 525
 526 (defalias 'wl-setup-summary 'wl-e21-setup-summary-toolbar)
 527
 528 (defun wl-message-define-keymap ()
 529   (let ((keymap (make-sparse-keymap)))
 530     (define-key keymap "D" 'wl-message-delete-current-part)
 531     (define-key keymap "l" 'wl-message-toggle-disp-summary)
 532     (define-key keymap "\C-c:d" 'wl-message-decrypt-pgp-nonmime)
 533     (define-key keymap "\C-c:v" 'wl-message-verify-pgp-nonmime)
 534     (define-key keymap [mouse-4] 'wl-message-wheel-down)
 535     (define-key keymap [mouse-5] 'wl-message-wheel-up)
 536     (define-key keymap [S-mouse-4] 'wl-message-wheel-down)
 537     (define-key keymap [S-mouse-5] 'wl-message-wheel-up)
 538     (set-keymap-parent wl-message-button-map keymap)
 539     (define-key wl-message-button-map
 540       [mouse-2] 'wl-message-button-dispatcher)
 541     keymap))
 542
 543 (defalias 'wl-setup-message 'wl-e21-setup-message-toolbar)
 544
 545 (defun wl-message-wheel-up (event)
 546   (interactive "e")
 547   (if (string-match (regexp-quote wl-message-buffer-name)
 548                     (regexp-quote (buffer-name)))
 549       (wl-message-next-page)
 550     (let ((cur-buf (current-buffer))
 551           proceed)
 552       (save-selected-window
 553         (select-window (posn-window (event-start event)))
 554         (set-buffer cur-buf)
 555         (setq proceed (wl-message-next-page)))
 556       (if proceed
 557           (if (memq 'shift (event-modifiers event))
 558               (wl-summary-down t)
 559             (wl-summary-next t))))))
 560
 561 (defun wl-message-wheel-down (event)
 562   (interactive "e")
 563   (if (string-match (regexp-quote wl-message-buffer-name)
 564                     (regexp-quote (buffer-name)))
 565       (wl-message-prev-page)
 566     (let ((cur-buf (current-buffer))
 567           proceed)
 568       (save-selected-window
 569         (select-window (posn-window (event-start event)))
 570         (set-buffer cur-buf)
 571         (setq proceed (wl-message-prev-page)))
 572       (if proceed
 573           (if (memq 'shift (event-modifiers event))
 574               (wl-summary-up t)
 575             (wl-summary-prev t))))))
 576
 577 (defun wl-draft-overload-menubar ()
 578   (let ((keymap (current-local-map)))
 579     (define-key keymap [menu-bar mail send]
 580       '("Send Message" . wl-draft-send-and-exit))
 581     (define-key keymap [menu-bar mail send-stay]
 582       '("Send, Keep Editing" . wl-draft-send))
 583     (define-key-after (lookup-key keymap [menu-bar mail])
 584       [mail-sep-send] '("--")
 585       'send-stay)
 586     (define-key keymap [menu-bar mail cancel]
 587       '("Kill Current Draft" . wl-draft-kill))
 588     (define-key-after (lookup-key keymap [menu-bar mail])
 589       [save] '("Save Draft and Exit" . wl-draft-save-and-exit)
 590       'cancel)
 591     (define-key-after (lookup-key keymap [menu-bar mail])
 592       [mail-sep-exit] '("--")
 593       'save)
 594     (define-key-after (lookup-key keymap [menu-bar mail])
 595       [preview] '("Preview Message" . wl-draft-preview-message)
 596       'mail-sep-exit)
 597     (define-key keymap [menu-bar mail yank]
 598       '("Cite Message" . wl-draft-yank-original))
 599     (define-key keymap [menu-bar mail signature]
 600       '("Insert Signature" . insert-signature))
 601     (define-key keymap [menu-bar headers fcc]
 602       '("Fcc" . wl-draft-fcc))))
 603
 604 (defun wl-draft-mode-setup ()
 605   (require 'derived)
 606   (define-derived-mode wl-draft-mode mail-mode "Draft"
 607     "draft mode for Wanderlust derived from mail mode.
 608 See info under Wanderlust for full documentation.
 609
 610 Special commands:
 611 \\{wl-draft-mode-map}"))
 612
 613 (defun wl-draft-key-setup ()
 614   (define-key wl-draft-mode-map "\C-c\C-y" 'wl-draft-yank-original)
 615   (define-key wl-draft-mode-map "\C-c\C-s" 'wl-draft-send)
 616   (define-key wl-draft-mode-map "\C-c\C-c" 'wl-draft-send-and-exit)
 617   (define-key wl-draft-mode-map "\C-c\C-z" 'wl-draft-save-and-exit)
 618   (define-key wl-draft-mode-map "\C-c\C-k" 'wl-draft-kill)
 619   (define-key wl-draft-mode-map "\C-l" 'wl-draft-highlight-and-recenter)
 620   (define-key wl-draft-mode-map "\C-i" 'wl-complete-field-body-or-tab)
 621   (define-key wl-draft-mode-map "\C-c\C-r" 'wl-draft-caesar-region)
 622   (define-key wl-draft-mode-map "\M-t" 'wl-toggle-plugged)
 623   (define-key wl-draft-mode-map "\C-c\C-o" 'wl-jump-to-draft-buffer)
 624   (define-key wl-draft-mode-map "\C-c\C-e" 'wl-draft-config-exec)
 625   (define-key wl-draft-mode-map "\C-c\C-j" 'wl-template-select)
 626   (define-key wl-draft-mode-map "\C-c\C-p" 'wl-draft-preview-message)
 627   (define-key wl-draft-mode-map "\C-c\C-a" 'wl-addrmgr)
 628 ;;  (define-key wl-draft-mode-map "\C-x\C-s" 'wl-draft-save)
 629   (define-key wl-draft-mode-map "\C-xk"    'wl-draft-mimic-kill-buffer)
 630   (define-key wl-draft-mode-map "\C-c\C-d" 'wl-draft-elide-region)
 631   (define-key wl-draft-mode-map "\C-a" 'wl-draft-beginning-of-line))
 632
 633 (defun wl-draft-overload-functions ()
 634   (wl-mode-line-buffer-identification)
 635 ;;  (local-set-key "\C-c\C-s" 'wl-draft-send);; override
 636   (wl-e21-setup-draft-toolbar)
 637   (wl-draft-overload-menubar))
 638
 639 (defalias 'wl-defface 'defface)
 640
 641 (defun wl-read-event-char ()
 642   "Get the next event."
 643   (let ((event (read-event)))
 644     (cons (and (numberp event) event) event)))
 645
 646 (put 'wl-modeline-biff-state-on 'risky-local-variable t)
 647 (put 'wl-modeline-biff-state-off 'risky-local-variable t)
 648 (put 'wl-modeline-plug-state-on 'risky-local-variable t)
 649 (put 'wl-modeline-plug-state-off 'risky-local-variable t)
 650
 651 (require 'product)
 652 (product-provide (provide 'wl-e21) (require 'wl-version))
 653
 654 ;;; wl-e21.el ends here