-;;;
-;;; emu-xemacs.el --- Emacs 19 emulation module for XEmacs
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1995 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version:
-;;; $Id: emu-xemacs.el,v 6.0 1995/10/12 11:32:58 morioka Exp $
-;;; Keywords: emulation, compatibility, XEmacs
-;;;
-;;; This file is part of tl and tm (Tools for MIME).
+;;; emu-xemacs.el --- emu API implementation for XEmacs
+
+;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Version:
+;; $Id: emu-xemacs.el,v 7.19 1997/04/05 06:50:48 morioka Exp $
+;; Keywords: emulation, compatibility, XEmacs
+
+;; This file is part of XEmacs.
+
+;; This program 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) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING. If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Code:
+
+;;; @ face
;;;
(or (fboundp 'face-list)
(or (face-differs-from-default-p 'underline)
(set-face-underline-p 'underline t))
-(or (fboundp 'tl:set-text-properties)
- (defun tl:set-text-properties (start end props &optional buffer)
- (if (or (null buffer) (bufferp buffer))
- (if props
- (while props
- (put-text-property
- start end (car props) (nth 1 props) buffer)
- (setq props (nthcdr 2 props)))
- (remove-text-properties start end ())
- )))
- )
-(defun tl:add-text-properties (start end properties)
- (add-text-properties start end
- (append properties (list 'highlight t))
- )
+;;; @ overlay
+;;;
+
+(condition-case err
+ (require 'overlay)
+ (error (defalias 'make-overlay 'make-extent)
+ (defalias 'overlay-put 'set-extent-property)
+ (defalias 'overlay-buffer 'extent-buffer)
+ (defun move-overlay (extent start end &optional buffer)
+ (set-extent-endpoints extent start end)
+ )
+ ))
+
+
+;;; @ visible/invisible
+;;;
+
+(defmacro enable-invisible ())
+
+(defmacro end-of-invisible ())
+
+(defun invisible-region (start end)
+ (if (save-excursion
+ (goto-char start)
+ (eq (following-char) ?\n)
+ )
+ (setq start (1+ start))
+ )
+ (put-text-property start end 'invisible t)
)
-(defalias 'tl:make-overlay 'make-extent)
-(defalias 'tl:overlay-put 'set-extent-property)
-(defalias 'tl:overlay-buffer 'extent-buffer)
+(defun visible-region (start end)
+ (put-text-property start end 'invisible nil)
+ )
-(defun tl:move-overlay (extent start end &optional buffer)
- (set-extent-endpoints extent start end)
+(defun invisible-p (pos)
+ (if (save-excursion
+ (goto-char pos)
+ (eq (following-char) ?\n)
+ )
+ (setq pos (1+ pos))
+ )
+ (get-text-property pos 'invisible)
)
+(defun next-visible-point (pos)
+ (save-excursion
+ (if (save-excursion
+ (goto-char pos)
+ (eq (following-char) ?\n)
+ )
+ (setq pos (1+ pos))
+ )
+ (or (next-single-property-change pos 'invisible)
+ (point-max))
+ ))
+
+
+;;; @ mouse
+;;;
+
(defvar mouse-button-1 'button1)
(defvar mouse-button-2 'button2)
+(defvar mouse-button-3 'button3)
+
+;;; @ dired
+;;;
+
+(or (fboundp 'dired-other-frame)
+ (defun dired-other-frame (dirname &optional switches)
+ "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
+ (interactive (dired-read-dir-and-switches "in other frame "))
+ (switch-to-buffer-other-frame (dired-noselect dirname switches))
+ )
+ )
+
+;;; @ string
+;;;
+
+(defmacro char-list-to-string (char-list)
+ "Convert list of character CHAR-LIST to string. [emu-xemacs.el]"
+ `(mapconcat #'char-to-string ,char-list ""))
+
+
+;;; @@ to avoid bug of XEmacs 19.14
+;;;
+
+(or (string-match "^../"
+ (file-relative-name "/usr/local/share" "/usr/local/lib"))
+ ;; This function was imported from Emacs 19.33.
+ (defun file-relative-name (filename &optional directory)
+ "Convert FILENAME to be relative to DIRECTORY
+(default: default-directory). [emu-xemacs.el]"
+ (setq filename (expand-file-name filename)
+ directory (file-name-as-directory
+ (expand-file-name
+ (or directory default-directory))))
+ (let ((ancestor ""))
+ (while (not (string-match (concat "^" (regexp-quote directory))
+ filename))
+ (setq directory (file-name-directory (substring directory 0 -1))
+ ancestor (concat "../" ancestor)))
+ (concat ancestor (substring filename (match-end 0)))
+ ))
+ )
+
+
;;; @ end
;;;
(provide 'emu-xemacs)
+
+;;; emu-xemacs.el ends here