;;; 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, 2004,
+;; 2005, 2008, 2009, 2010 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: mail, news
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; 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
- "*If nil, do not use a toolbar.
-If it is non-nil, it must be a toolbar. The five legal values are
-`default-toolbar', `top-toolbar', `bottom-toolbar',
-`right-toolbar', and `left-toolbar'.")
+(defvar message-use-toolbar (if (featurep 'toolbar) 'default)
+ "*Position to display the toolbar. Nil means do not use a toolbar.
+If it is non-nil, it should be one of the symbols `default', `top',
+`bottom', `right', and `left'. `default' means to use the default
+toolbar, the rest mean to display the toolbar on the place which those
+names show.")
-(defvar message-toolbar
+(defvar message-toolbar-thickness
+ (if (featurep 'toolbar)
+ (cons (specifier-instance default-toolbar-height)
+ (specifier-instance default-toolbar-width)))
+ "*Cons of the height and the width specifying the thickness of a toolbar.
+The height is used for the toolbar displayed on the top or the bottom,
+the width is used for the toolbar displayed on the right or the left.")
+
+(defvar message-toolbar
'([message-spell ispell-message t "Spell"]
- [message-help (toolbar-info "message") t "Message help"])
+ [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 (symbol-value
- (intern-soft (concat package "-xmas-glyph-directory"))))
- result)
+ (let ((dir (symbol-value
+ (intern-soft (concat package "-xmas-glyph-directory")))))
(if (and (stringp dir) (file-directory-p dir))
dir
- ;; 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)))
+ (nnheader-find-etc-directory package))))
(defun message-xmas-setup-toolbar (bar &optional force package)
- (let ((dir (message-xmas-find-glyph-directory package))
+ (let ((dir (or (message-xmas-find-glyph-directory package)
+ (message-xmas-find-glyph-directory "gnus")))
+ (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
- (message-xmas-setup-toolbar message-toolbar)
- (set-specifier (symbol-value message-use-toolbar)
- (cons (current-buffer) message-toolbar))))
+ (when (featurep 'toolbar)
+ (if (and message-use-toolbar
+ (message-xmas-setup-toolbar message-toolbar))
+ (let ((bar (or (intern-soft (format "%s-toolbar" message-use-toolbar))
+ 'default-toolbar))
+ (height (car message-toolbar-thickness))
+ (width (cdr message-toolbar-thickness))
+ (cur (current-buffer))
+ bars)
+ (set-specifier (symbol-value bar) message-toolbar cur)
+ (set-specifier default-toolbar-height height cur)
+ (set-specifier default-toolbar-width width cur)
+ (set-specifier top-toolbar-height height cur)
+ (set-specifier bottom-toolbar-height height cur)
+ (set-specifier right-toolbar-width width cur)
+ (set-specifier left-toolbar-width width cur)
+ (if (eq bar 'default-toolbar)
+ (progn
+ (remove-specifier default-toolbar-visible-p cur)
+ (remove-specifier top-toolbar cur)
+ (remove-specifier top-toolbar-visible-p cur)
+ (remove-specifier bottom-toolbar cur)
+ (remove-specifier bottom-toolbar-visible-p cur)
+ (remove-specifier right-toolbar cur)
+ (remove-specifier right-toolbar-visible-p cur)
+ (remove-specifier left-toolbar cur)
+ (remove-specifier left-toolbar-visible-p cur))
+ (set-specifier (symbol-value (intern (format "%s-visible-p" bar)))
+ t cur)
+ (setq bars (delq bar (list 'default-toolbar
+ 'bottom-toolbar 'top-toolbar
+ 'right-toolbar 'left-toolbar)))
+ (while bars
+ (set-specifier (symbol-value (intern (format "%s-visible-p"
+ (pop bars))))
+ nil cur))))
+ (let ((cur (current-buffer)))
+ (set-specifier default-toolbar-visible-p nil cur)
+ (set-specifier top-toolbar-visible-p nil cur)
+ (set-specifier bottom-toolbar-visible-p nil cur)
+ (set-specifier right-toolbar-visible-p nil cur)
+ (set-specifier left-toolbar-visible-p nil cur)))))
+
+(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))))
+
+(defun message-xmas-make-date (&optional now)
+ "Make a valid data header.
+If NOW, use that time instead."
+ (let ((zone (car (current-time-zone)))
+ sign)
+ (if (>= zone 0)
+ (setq sign "+")
+ (setq sign "-"
+ zone (- zone)))
+ (format "%s %s%02d%02d"
+ (format-time-string "%a, %d %b %Y %T" now)
+ sign
+ (/ zone 3600)
+ (/ (% zone 3600) 60))))
+
+(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)
+ (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)
+ (defalias 'message-make-date 'message-xmas-make-date))
+
+(message-xmas-redefine)
(provide 'messagexmas)