1 ;;; emu-xemacs.el --- emu API implementation for XEmacs
3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995,1996 MORIOKA Tomohiko
6 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;; $Id: emu-xemacs.el,v 7.15 1997/03/03 11:35:08 morioka Exp $
9 ;; Keywords: emulation, compatibility, XEmacs
11 ;; This file is part of emu.
13 ;; This program is free software; you can redistribute it and/or
14 ;; modify it under the terms of the GNU General Public License as
15 ;; published by the Free Software Foundation; either version 2, or (at
16 ;; your option) any later version.
18 ;; This program is distributed in the hope that it will be useful, but
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ;; General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with XEmacs; see the file COPYING. If not, write to the Free
25 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
33 (or (fboundp 'face-list)
34 (defalias 'face-list 'list-faces)
37 (or (memq 'underline (face-list))
38 (and (fboundp 'make-face)
39 (make-face 'underline)
42 (or (face-differs-from-default-p 'underline)
43 (set-face-underline-p 'underline t))
45 (or (fboundp 'tl:set-text-properties)
46 (defun tl:set-text-properties (start end props &optional buffer)
47 (if (or (null buffer) (bufferp buffer))
51 start end (car props) (nth 1 props) buffer)
52 (setq props (nthcdr 2 props)))
53 (remove-text-properties start end ())
57 (defun tl:add-text-properties (start end properties &optional object)
58 (add-text-properties start end
59 (append properties (list 'highlight t))
63 (defalias 'tl:make-overlay 'make-extent)
64 (defalias 'tl:overlay-put 'set-extent-property)
65 (defalias 'tl:overlay-buffer 'extent-buffer)
67 (defun tl:move-overlay (extent start end &optional buffer)
68 (set-extent-endpoints extent start end)
72 ;;; @@ visible/invisible
75 (defmacro enable-invisible ())
77 (defmacro end-of-invisible ())
79 (defun invisible-region (start end)
82 (eq (following-char) ?\n)
84 (setq start (1+ start))
86 (put-text-property start end 'invisible t)
89 (defun visible-region (start end)
90 (put-text-property start end 'invisible nil)
93 (defun invisible-p (pos)
96 (eq (following-char) ?\n)
100 (get-text-property pos 'invisible)
103 (defun next-visible-point (pos)
107 (eq (following-char) ?\n)
111 (or (next-single-property-change pos 'invisible)
119 (defvar mouse-button-1 'button1)
120 (defvar mouse-button-2 'button2)
121 (defvar mouse-button-3 'button3)
127 (or (fboundp 'dired-other-frame)
128 (defun dired-other-frame (dirname &optional switches)
129 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
130 (interactive (dired-read-dir-and-switches "in other frame "))
131 (switch-to-buffer-other-frame (dired-noselect dirname switches))
139 (defmacro char-list-to-string (char-list)
140 "Convert list of character CHAR-LIST to string. [emu-xemacs.el]"
141 `(mapconcat #'char-to-string ,char-list ""))
144 ;;; @@ to avoid bug of XEmacs 19.14
147 (or (string-match "^../"
148 (file-relative-name "/usr/local/share" "/usr/local/lib"))
149 ;; This function was imported from Emacs 19.33.
150 (defun file-relative-name (filename &optional directory)
151 "Convert FILENAME to be relative to DIRECTORY
152 (default: default-directory). [emu-xemacs.el]"
153 (setq filename (expand-file-name filename)
154 directory (file-name-as-directory
156 (or directory default-directory))))
158 (while (not (string-match (concat "^" (regexp-quote directory))
160 (setq directory (file-name-directory (substring directory 0 -1))
161 ancestor (concat "../" ancestor)))
162 (concat ancestor (substring filename (match-end 0)))
170 (provide 'emu-xemacs)
172 ;;; emu-xemacs.el ends here