62 lines
1.8 KiB
EmacsLisp
62 lines
1.8 KiB
EmacsLisp
;;; inv-19.el --- invisible feature implementation for Emacs 19 or later
|
|
|
|
;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
|
|
|
|
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
|
|
;; Keywords: invisible, text-property, region, Emacs 19
|
|
|
|
;; This file is part of APEL (A Portable Emacs Library).
|
|
|
|
;; 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 GNU Emacs; see the file COPYING. If not, write to the
|
|
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
;; Boston, MA 02110-1301, USA.
|
|
|
|
;;; Code:
|
|
|
|
(require 'poe)
|
|
|
|
(defun enable-invisible ())
|
|
(defun disable-invisible ())
|
|
(defalias 'end-of-invisible 'disable-invisible)
|
|
(make-obsolete 'end-of-invisible 'disable-invisible)
|
|
|
|
(defun invisible-region (start end)
|
|
(if (save-excursion
|
|
(goto-char (1- end))
|
|
(eq (following-char) ?\n))
|
|
(setq end (1- end)))
|
|
(put-text-property start end 'invisible t))
|
|
|
|
(defun visible-region (start end)
|
|
(put-text-property start end 'invisible nil))
|
|
|
|
(defun invisible-p (pos)
|
|
(get-text-property pos 'invisible))
|
|
|
|
(defun next-visible-point (pos)
|
|
(if (setq pos (next-single-property-change pos 'invisible))
|
|
(if (eq ?\n (char-after pos))
|
|
(1+ pos)
|
|
pos)
|
|
(point-max)))
|
|
|
|
|
|
;;; @ end
|
|
;;;
|
|
|
|
(require 'product)
|
|
(product-provide (provide 'inv-19) (require 'apel-ver))
|
|
|
|
;;; inv-19.el ends here
|