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emu-xemacs.el
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emu-xemacs.el
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;;; 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:
;; $Id$
;; 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)
(defalias 'face-list 'list-faces)
)
(or (memq 'underline (face-list))
(and (fboundp 'make-face)
(make-face 'underline)
))
(or (face-differs-from-default-p 'underline)
(set-face-underline-p 'underline 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)
)
(defun visible-region (start end)
(put-text-property start end 'invisible nil)
)
(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