;;; messagexmas.el --- XEmacs extensions to message
-;; Copyright (C) 1996 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2003
+;; Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: mail, news
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile (require 'cl))
+(require 'nnheader)
+
+(defvar message-xmas-dont-activate-region t
+ "If t, don't activate region after yanking.")
+
(defvar message-xmas-glyph-directory nil
"*Directory where Message logos and icons are located.
If this variable is nil, Message will try to locate the directory
automatically.")
-(defvar message-use-toolbar 'default-toolbar
+(defvar message-use-toolbar (if (featurep 'toolbar)
+ 'default-toolbar
+ nil)
"*If nil, do not use a toolbar.
-If it is non-nil, it must be a toolbar. The five legal values are
+If it is non-nil, it must be a toolbar. The five valid values are
`default-toolbar', `top-toolbar', `bottom-toolbar',
`right-toolbar', and `left-toolbar'.")
-(defvar message-toolbar
- '([message-spell toolbar-ispell t "Spell"]
- [message-help toolbar-info t "Message help"])
+(defvar message-toolbar
+ '([message-spell ispell-message t "Spell"]
+ [message-help (Info-goto-node "(Message)Top") t "Message help"])
"The message buffer toolbar.")
(defun message-xmas-find-glyph-directory (&optional package)
(setq package (or package "message"))
- (let ((path load-path)
- dir result)
- ;; We try to find the dir by looking at the load path,
- ;; stripping away the last component and adding "etc/".
- (while path
- (if (and (car path)
- (file-exists-p
- (setq dir (concat
- (file-name-directory
- (directory-file-name (car path)))
- "etc/" (or package "message") "/")))
- (file-directory-p dir))
- (setq result dir
- path nil)
- (setq path (cdr path))))
- result))
+ (let ((dir (symbol-value
+ (intern-soft (concat package "-xmas-glyph-directory")))))
+ (if (and (stringp dir) (file-directory-p dir))
+ dir
+ (nnheader-find-etc-directory package))))
(defun message-xmas-setup-toolbar (bar &optional force package)
(let ((dir (message-xmas-find-glyph-directory package))
+ (xpm (if (featurep 'xpm) "xpm" "xbm"))
icon up down disabled name)
(unless package
(setq message-xmas-glyph-directory dir))
(when dir
- (if (and (not force)
- (boundp (aref (car bar) 0)))
- dir
- (while bar
- (setq icon (aref (car bar) 0)
- name (symbol-name icon)
- bar (cdr bar))
- (setq up (concat dir name "-up.xpm"))
- (setq down (concat dir name "-down.xpm"))
- (setq disabled (concat dir name "-disabled.xpm"))
+ (while bar
+ (setq icon (aref (car bar) 0)
+ name (symbol-name icon)
+ bar (cdr bar))
+ (when (or force
+ (not (boundp icon)))
+ (setq up (concat dir name "-up." xpm))
+ (setq down (concat dir name "-down." xpm))
+ (setq disabled (concat dir name "-disabled." xpm))
(if (not (file-exists-p up))
- (set icon nil)
+ (setq bar nil
+ dir nil)
(set icon (toolbar-make-button-list
up (and (file-exists-p down) down)
- (and (file-exists-p disabled) disabled)))))
- dir))))
+ (and (file-exists-p disabled) disabled)))))))
+ dir))
(defun message-setup-toolbar ()
(and message-use-toolbar
(set-specifier (symbol-value message-use-toolbar)
(cons (current-buffer) message-toolbar))))
+(defun message-xmas-exchange-point-and-mark ()
+ "Exchange point and mark, but allow for XEmacs' optional argument."
+ (exchange-point-and-mark message-xmas-dont-activate-region))
+
+(defun message-xmas-maybe-fontify ()
+ (when (featurep 'font-lock)
+ (font-lock-set-defaults)))
+
+(defun message-xmas-make-caesar-translation-table (n)
+ "Create a rot table with offset N."
+ (let ((i -1)
+ (table (make-string 256 0))
+ (a (mm-char-int ?a))
+ (A (mm-char-int ?A)))
+ (while (< (incf i) 256)
+ (aset table i i))
+ (concat
+ (substring table 0 A)
+ (substring table (+ A n) (+ A n (- 26 n)))
+ (substring table A (+ A n))
+ (substring table (+ A 26) a)
+ (substring table (+ a n) (+ a n (- 26 n)))
+ (substring table a (+ a n))
+ (substring table (+ a 26) 255))))
+
+(add-hook 'message-mode-hook 'message-xmas-maybe-fontify)
+
+(defun message-xmas-redefine ()
+ "Redefine message functions for XEmacs."
+ (defalias 'message-exchange-point-and-mark
+ 'message-xmas-exchange-point-and-mark)
+ (defalias 'message-mark-active-p
+ 'region-exists-p)
+ (when (>= emacs-major-version 20)
+ (defalias 'message-make-caesar-translation-table
+ 'message-xmas-make-caesar-translation-table))
+ (defalias 'message-make-overlay 'make-extent)
+ (defalias 'message-delete-overlay 'delete-extent)
+ (defalias 'message-overlay-put 'set-extent-property))
+
+(message-xmas-redefine)
+
(provide 'messagexmas)
;;; messagexmas.el ends here