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comparison lisp/apel/emu-xemacs.el @ 155:43dd3413c7c7 r20-3b4

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Import from CVS: tag r20-3b4
author cvs
date Mon, 13 Aug 2007 09:39:39 +0200
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154:94141801dd7e 155:43dd3413c7c7
1 ;;; emu-xemacs.el --- emu API implementation for XEmacs
2
3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
5
6 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Version:
8 ;; $Id: emu-xemacs.el,v 1.1 1997/06/03 04:18:35 steve Exp $
9 ;; Keywords: emulation, compatibility, XEmacs
10
11 ;; This file is part of XEmacs.
12
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.
17
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.
22
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
26 ;; 02111-1307, USA.
27
28 ;;; Code:
29
30 ;;; @ face
31 ;;;
32
33 (or (fboundp 'face-list)
34 (defalias 'face-list 'list-faces)
35 )
36
37 (or (memq 'underline (face-list))
38 (and (fboundp 'make-face)
39 (make-face 'underline)
40 ))
41
42 (or (face-differs-from-default-p 'underline)
43 (set-face-underline-p 'underline t))
44
45
46 ;;; @ overlay
47 ;;;
48
49 (condition-case err
50 (require 'overlay)
51 (error (defalias 'make-overlay 'make-extent)
52 (defalias 'overlay-put 'set-extent-property)
53 (defalias 'overlay-buffer 'extent-buffer)
54 (defun move-overlay (extent start end &optional buffer)
55 (set-extent-endpoints extent start end)
56 )
57 ))
58
59
60 ;;; @ visible/invisible
61 ;;;
62
63 (defmacro enable-invisible ())
64
65 (defmacro end-of-invisible ())
66
67 (defun invisible-region (start end)
68 (if (save-excursion
69 (goto-char start)
70 (eq (following-char) ?\n)
71 )
72 (setq start (1+ start))
73 )
74 (put-text-property start end 'invisible t)
75 )
76
77 (defun visible-region (start end)
78 (put-text-property start end 'invisible nil)
79 )
80
81 (defun invisible-p (pos)
82 (if (save-excursion
83 (goto-char pos)
84 (eq (following-char) ?\n)
85 )
86 (setq pos (1+ pos))
87 )
88 (get-text-property pos 'invisible)
89 )
90
91 (defun next-visible-point (pos)
92 (save-excursion
93 (if (save-excursion
94 (goto-char pos)
95 (eq (following-char) ?\n)
96 )
97 (setq pos (1+ pos))
98 )
99 (or (next-single-property-change pos 'invisible)
100 (point-max))
101 ))
102
103
104 ;;; @ mouse
105 ;;;
106
107 (defvar mouse-button-1 'button1)
108 (defvar mouse-button-2 'button2)
109 (defvar mouse-button-3 'button3)
110
111
112 ;;; @ dired
113 ;;;
114
115 (or (fboundp 'dired-other-frame)
116 (defun dired-other-frame (dirname &optional switches)
117 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
118 (interactive (dired-read-dir-and-switches "in other frame "))
119 (switch-to-buffer-other-frame (dired-noselect dirname switches))
120 )
121 )
122
123
124 ;;; @ string
125 ;;;
126
127 (defmacro char-list-to-string (char-list)
128 "Convert list of character CHAR-LIST to string. [emu-xemacs.el]"
129 `(mapconcat #'char-to-string ,char-list ""))
130
131
132 ;;; @@ to avoid bug of XEmacs 19.14
133 ;;;
134
135 (or (string-match "^../"
136 (file-relative-name "/usr/local/share" "/usr/local/lib"))
137 ;; This function was imported from Emacs 19.33.
138 (defun file-relative-name (filename &optional directory)
139 "Convert FILENAME to be relative to DIRECTORY
140 (default: default-directory). [emu-xemacs.el]"
141 (setq filename (expand-file-name filename)
142 directory (file-name-as-directory
143 (expand-file-name
144 (or directory default-directory))))
145 (let ((ancestor ""))
146 (while (not (string-match (concat "^" (regexp-quote directory))
147 filename))
148 (setq directory (file-name-directory (substring directory 0 -1))
149 ancestor (concat "../" ancestor)))
150 (concat ancestor (substring filename (match-end 0)))
151 ))
152 )
153
154
155 ;;; @ end
156 ;;;
157
158 (provide 'emu-xemacs)
159
160 ;;; emu-xemacs.el ends here