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 (defun-maybe set-cursor-color (color-name)
32 "Set the text cursor color of the selected frame to COLOR.
33 When called interactively, prompt for the name of the color to use."
34 (interactive "sColor: ")
35 (set-frame-property (selected-frame) 'cursor-color
36 (if (color-instance-p color-name)
38 (make-color-instance color-name))))
44 (defalias-maybe 'face-list 'list-faces)
46 (or (memq 'underline (face-list))
47 (and (fboundp 'make-face)
48 (make-face 'underline)))
50 (or (face-differs-from-default-p 'underline)
51 (set-face-underline-p 'underline t))
59 (error (defalias 'make-overlay 'make-extent)
60 (defalias 'overlayp 'extentp)
61 (defalias 'overlay-put 'set-extent-property)
62 (defalias 'overlay-buffer 'extent-buffer)
63 (defun move-overlay (extent start end &optional buffer)
64 (set-extent-endpoints extent start end)
66 (defalias 'delete-overlay 'detach-extent)
73 (defun-maybe dired-other-frame (dirname &optional switches)
74 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
75 (interactive (dired-read-dir-and-switches "in other frame "))
76 (switch-to-buffer-other-frame (dired-noselect dirname switches))
80 ;;; @ to avoid bug of XEmacs 19.14
83 (or (string-match "^../"
84 (file-relative-name "/usr/local/share" "/usr/local/lib"))
85 ;; This function was imported from Emacs 19.33.
86 (defun file-relative-name (filename &optional directory)
87 "Convert FILENAME to be relative to DIRECTORY
88 (default: default-directory). [poe-xemacs.el]"
89 (setq filename (expand-file-name filename)
90 directory (file-name-as-directory
92 (or directory default-directory))))
94 (while (not (string-match (concat "^" (regexp-quote directory))
96 (setq directory (file-name-directory (substring directory 0 -1))
97 ancestor (concat "../" ancestor)))
98 (concat ancestor (substring filename (match-end 0)))))
102 ;;; @ for anything older than XEmacs 20.2
105 ;; eval-after-load is not defined in XEmacs but after-load-alist is
106 ;; usable. See subr.el in XEmacs.
108 (defun-maybe eval-after-load (file form)
109 "Arrange that, if FILE is ever loaded, FORM will be run at that time.
110 This makes or adds to an entry on `after-load-alist'.
111 If FILE is already loaded, evaluate FORM right now.
112 It does nothing if FORM is already on the list for FILE.
113 FILE should be the name of a library, with no directory name."
114 ;; Make sure there is an element for FILE.
115 (or (assoc file after-load-alist)
116 (setq after-load-alist (cons (list file) after-load-alist)))
117 ;; Add FORM to the element if it isn't there.
118 (let ((elt (assoc file after-load-alist)))
119 (or (member form (cdr elt))
121 (nconc elt (list form))
122 ;; If the file has been loaded already, run FORM right away.
123 (and (assoc file load-history)
127 ;; (defun-maybe eval-after-load (file form)
128 ;; (or (assoc file after-load-alist)
129 ;; (setq after-load-alist (cons (list file) after-load-alist)))
130 ;; (let ((elt (assoc file after-load-alist)))
131 ;; (or (member form (cdr elt))
132 ;; (nconc elt (list form))))
136 ;;; @ Emacs 20.3 emulation
139 (defalias-maybe 'line-beginning-position 'point-at-bol)
141 (defalias-maybe 'line-end-position 'point-at-eol)
147 (provide 'poe-xemacs)
149 ;;; poe-xemacs.el ends here