1 ;;; poe-xemacs.el --- poe submodule for XEmacs -*-byte-compile-dynamic: t;-*-
3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
6 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Keywords: emulation, compatibility, XEmacs
9 ;; This file is part of APEL (A Portable Emacs Library).
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.
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.
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
31 (defalias-maybe 'face-list 'list-faces)
33 (or (memq 'underline (face-list))
34 (and (fboundp 'make-face)
35 (make-face 'underline)))
37 (or (face-differs-from-default-p 'underline)
38 (set-face-underline-p 'underline t))
46 (error (defalias 'make-overlay 'make-extent)
47 (defalias 'overlay-put 'set-extent-property)
48 (defalias 'overlay-buffer 'extent-buffer)
49 (defun move-overlay (extent start end &optional buffer)
50 (set-extent-endpoints extent start end)
58 (defun-maybe dired-other-frame (dirname &optional switches)
59 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
60 (interactive (dired-read-dir-and-switches "in other frame "))
61 (switch-to-buffer-other-frame (dired-noselect dirname switches))
65 ;;; @ to avoid bug of XEmacs 19.14
68 (or (string-match "^../"
69 (file-relative-name "/usr/local/share" "/usr/local/lib"))
70 ;; This function was imported from Emacs 19.33.
71 (defun file-relative-name (filename &optional directory)
72 "Convert FILENAME to be relative to DIRECTORY
73 (default: default-directory). [poe-xemacs.el]"
74 (setq filename (expand-file-name filename)
75 directory (file-name-as-directory
77 (or directory default-directory))))
79 (while (not (string-match (concat "^" (regexp-quote directory))
81 (setq directory (file-name-directory (substring directory 0 -1))
82 ancestor (concat "../" ancestor)))
83 (concat ancestor (substring filename (match-end 0)))))
87 ;;; @ for anything older than XEmacs 20.2
90 ;; eval-after-load is not defined in XEmacs but after-load-alist is
91 ;; usable. See subr.el in XEmacs.
93 (defun-maybe eval-after-load (file form)
94 "Arrange that, if FILE is ever loaded, FORM will be run at that time.
95 This makes or adds to an entry on `after-load-alist'.
96 If FILE is already loaded, evaluate FORM right now.
97 It does nothing if FORM is already on the list for FILE.
98 FILE should be the name of a library, with no directory name."
99 ;; Make sure there is an element for FILE.
100 (or (assoc file after-load-alist)
101 (setq after-load-alist (cons (list file) after-load-alist)))
102 ;; Add FORM to the element if it isn't there.
103 (let ((elt (assoc file after-load-alist)))
104 (or (member form (cdr elt))
106 (nconc elt (list form))
107 ;; If the file has been loaded already, run FORM right away.
108 (and (assoc file load-history)
112 ;; (defun-maybe eval-after-load (file form)
113 ;; (or (assoc file after-load-alist)
114 ;; (setq after-load-alist (cons (list file) after-load-alist)))
115 ;; (let ((elt (assoc file after-load-alist)))
116 ;; (or (member form (cdr elt))
117 ;; (nconc elt (list form))))
121 ;;; @ Emacs 20.3 emulation
124 (defalias-maybe 'line-beginning-position 'point-at-bol)
126 (defalias-maybe 'line-end-position 'point-at-eol)
132 (provide 'poe-xemacs)
134 ;;; poe-xemacs.el ends here