1 | ;;; inv-xemacs.el --- invisible feature 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 | ;; Keywords: invisible, text-property, region, XEmacs |
---|
8 | |
---|
9 | ;; This file is part of APEL (A Portable Emacs Library). |
---|
10 | |
---|
11 | ;; This program is free software; you can redistribute it and/or |
---|
12 | ;; modify it under the terms of the GNU General Public License as |
---|
13 | ;; published by the Free Software Foundation; either version 2, or (at |
---|
14 | ;; your option) any later version. |
---|
15 | |
---|
16 | ;; This program is distributed in the hope that it will be useful, but |
---|
17 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
19 | ;; General Public License for more details. |
---|
20 | |
---|
21 | ;; You should have received a copy of the GNU General Public License |
---|
22 | ;; along with XEmacs; see the file COPYING. If not, write to the Free |
---|
23 | ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
---|
24 | ;; 02111-1307, USA. |
---|
25 | |
---|
26 | ;;; Code: |
---|
27 | |
---|
28 | (require 'poe) |
---|
29 | |
---|
30 | (defun enable-invisible ()) |
---|
31 | (defun disable-invisible ()) |
---|
32 | (defalias 'end-of-invisible 'disable-invisible) |
---|
33 | (make-obsolete 'end-of-invisible 'disable-invisible) |
---|
34 | |
---|
35 | (defun invisible-region (start end) |
---|
36 | (if (save-excursion |
---|
37 | (goto-char start) |
---|
38 | (eq (following-char) ?\n)) |
---|
39 | (setq start (1+ start))) |
---|
40 | (put-text-property start end 'invisible t)) |
---|
41 | |
---|
42 | (defun visible-region (start end) |
---|
43 | (put-text-property start end 'invisible nil)) |
---|
44 | |
---|
45 | (defun invisible-p (pos) |
---|
46 | (if (save-excursion |
---|
47 | (goto-char pos) |
---|
48 | (eq (following-char) ?\n)) |
---|
49 | (setq pos (1+ pos))) |
---|
50 | (get-text-property pos 'invisible)) |
---|
51 | |
---|
52 | (defun next-visible-point (pos) |
---|
53 | (save-excursion |
---|
54 | (if (save-excursion |
---|
55 | (goto-char pos) |
---|
56 | (eq (following-char) ?\n)) |
---|
57 | (setq pos (1+ pos))) |
---|
58 | (or (next-single-property-change pos 'invisible) |
---|
59 | (point-max)))) |
---|
60 | |
---|
61 | |
---|
62 | ;;; @ end |
---|
63 | ;;; |
---|
64 | |
---|
65 | (require 'product) |
---|
66 | (product-provide (provide 'inv-xemacs) (require 'apel-ver)) |
---|
67 | |
---|
68 | ;;; inv-xemacs.el ends here |
---|