1 ;;; poe-xemacs.el --- poe submodule for XEmacs
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
34 (defun-maybe set-cursor-color (color-name)
35 "Set the text cursor color of the selected frame to COLOR.
36 When called interactively, prompt for the name of the color to use."
37 (interactive "sColor: ")
38 (set-frame-property (selected-frame) 'cursor-color
39 (if (color-instance-p color-name)
41 (make-color-instance color-name))))
47 (defalias-maybe 'face-list 'list-faces)
49 (or (memq 'underline (face-list))
50 (and (fboundp 'make-face)
51 (make-face 'underline)))
53 (or (face-differs-from-default-p 'underline)
54 (set-face-underline-p 'underline t))
63 (defalias 'make-overlay 'make-extent)
64 (defalias 'overlayp 'extentp)
65 (defalias 'overlay-put 'set-extent-property)
66 (defalias 'overlay-buffer 'extent-buffer)
67 (defun move-overlay (extent start end &optional buffer)
68 (set-extent-endpoints extent start end))
69 (defalias 'delete-overlay 'detach-extent)))
75 (defun-maybe dired-other-frame (dirname &optional switches)
76 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
77 (interactive (dired-read-dir-and-switches "in other frame "))
78 (switch-to-buffer-other-frame (dired-noselect dirname switches)))
88 (defun-maybe run-at-time (time repeat function &rest args)
89 (start-itimer (make-temp-name "rat")
93 (defalias 'cancel-timer 'delete-itimer)
94 (defun with-timeout-handler (tag)
96 (defmacro-maybe with-timeout (list &rest body)
97 (let ((seconds (car list))
98 (timeout-forms (cdr list)))
99 `(let ((with-timeout-tag (cons nil nil))
100 with-timeout-value with-timeout-timer)
101 (if (catch with-timeout-tag
103 (setq with-timeout-timer
104 (run-at-time ,seconds nil
105 'with-timeout-handler
107 (setq with-timeout-value (progn . ,body))
109 (progn . ,timeout-forms)
110 (cancel-timer with-timeout-timer)
111 with-timeout-value))))))
115 (broken-facility run-at-time-tick-tock
116 "`run-at-time' is not punctual."
117 ;; It should be fixed when someone improves itimer in the future.
118 ;; Note that it doesn't support XEmacsen of versions prior to 19.15
119 ;; since `start-itimer' doesn't pass arguments to a timer function.
120 (and (= emacs-major-version 19) (<= emacs-minor-version 14)))
122 (when-broken run-at-time-tick-tock
123 (defadvice run-at-time (around make-it-punctual
124 (time repeat function &rest args)
126 "This function was redefined to be made punctual by APEL.
127 Note that it allows neither a string nor a time in the Emacs style
128 \(a list of integers) as the first argument TIME."
129 (let ((itimers (list nil)))
132 (apply #'start-itimer "run-at-time"
133 (lambda (itimers repeat function &rest args)
134 (let ((itimer (car itimers)))
139 (lambda (itimer repeat function &rest args)
140 (set-itimer-restart itimer repeat)
141 (set-itimer-function itimer function)
142 (set-itimer-function-arguments itimer args)
143 (apply function args)))
144 (set-itimer-function-arguments
146 (append (list itimer repeat function) args)))
149 (lambda (itimer function &rest args)
150 (set-itimer-restart itimer nil)
151 (delete-itimer itimer)
152 (apply function args)))
153 (set-itimer-function-arguments
155 (append (list itimer function) args)))))
156 1e-9 (if time (max time 1e-9) 1e-9)
157 nil t itimers repeat function args))
158 (setq ad-return-value (car itimers)))))
161 ;;; @ to avoid bug of XEmacs 19.14
164 (or (string-match "^../"
165 (file-relative-name "/usr/local/share" "/usr/local/lib"))
166 ;; This function was imported from Emacs 19.33.
167 (defun file-relative-name (filename &optional directory)
168 "Convert FILENAME to be relative to DIRECTORY
169 (default: default-directory)."
170 (setq filename (expand-file-name filename)
171 directory (file-name-as-directory
173 (or directory default-directory))))
175 (while (not (string-match (concat "^" (regexp-quote directory))
177 (setq directory (file-name-directory (substring directory 0 -1))
178 ancestor (concat "../" ancestor)))
179 (concat ancestor (substring filename (match-end 0))))))
182 ;;; @ Emacs 20.3 emulation
185 (defalias-maybe 'line-beginning-position 'point-at-bol)
186 (defalias-maybe 'line-end-position 'point-at-eol)
188 ;;; @ XEmacs 21 emulation
191 ;; XEmacs 20.5 and later: (set-extent-properties EXTENT PLIST)
192 (defun-maybe set-extent-properties (extent plist)
193 "Change some properties of EXTENT.
194 PLIST is a property list.
195 For a list of built-in properties, see `set-extent-property'."
197 (set-extent-property extent (car plist) (cadr plist))
198 (setq plist (cddr plist))))
204 (product-provide (provide 'poe-xemacs) (require 'apel-ver))
206 ;;; poe-xemacs.el ends here