-(defun add-timeout (secs function object &optional resignal)
- (run-at-time secs resignal function object))
-
-(defun disable-timeout (timeout)
- (cancel-timer timeout))
-
-(defun copy-tree (tree)
- (if (consp tree)
- (cons (copy-tree (car tree))
- (copy-tree (cdr tree)))
- (if (vectorp tree)
- (let ((new (copy-sequence tree))
- (i (1- (length new))))
- (while (>= i 0)
- (aset new i (copy-tree (aref new i)))
- (setq i (1- i)))
- new)
- tree)))
-
-(fset 'current-time-seconds 'current-time)
-
-(defun keymap-parent (keymap)
- (let ((tail (cdr keymap)))
- (while (and tail (not (eq (car tail) 'keymap)))
- (setq tail (cdr tail)))
- tail))
-
-(defun set-keymap-parent (keymap new-parent)
- (let ((tail (cdr keymap)))
- (while (and tail (cdr tail) (not (eq (car (cdr tail)) 'keymap)))
- (setq tail (cdr tail)))
- (if tail
- (setcdr tail new-parent))))
-
-(defun remove-hook (hook-var function)
- (if (boundp 'hook-var)
- (set hook-var (delq function (symbol-value hook-var)))))
-
-(defun remprop (symbol prop)
- (let ((plist (symbol-plist symbol)))
- (while (eq (car plist) prop)
- (setplist symbol (setq plist (cdr (cdr plist)))))
- (while plist
- (if (eq (nth 2 plist) prop)
- (setcdr (cdr plist) (nthcdr 4 plist)))
- (setq plist (cdr (cdr plist))))))
-
-(defun map-keymap (function keymap)
- "Call FUNCTION for every binding in KEYMAP.
-This includes bindings inherited from a parent keymap.
-FUNCTION receives two arguments each time it is called:
-the character (more generally, the event type) that is bound,
-and the binding it has."
- (while (consp keymap)
- (if (consp (car keymap))
- (funcall function (car (car keymap)) (cdr (car keymap)))
- (if (vectorp (car keymap))
- (let ((i (length (car keymap)))
- (vector (car keymap)))
- (while (>= i 0)
- (funcall function i (aref vector i))
- (setq i (1- i))))))
- (setq keymap (cdr keymap))))
+;;; lucid.el --- emulate some Lucid Emacs functions
+
+;; Copyright (C) 1993, 1995, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+;; Keywords: emulations
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs 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 3, or (at your option)
+;; any later version.
+
+;; GNU Emacs 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.
+
+;;; Commentary:
+
+;;; Code:
+
+;; XEmacs autoloads CL so we might as well make use of it.
+(require 'cl)
+
+(defalias 'current-time-seconds 'current-time)
+
+(defun read-number (prompt &optional integers-only)
+ "Read a number from the minibuffer.
+Keep reentering the minibuffer until we get suitable input.
+If optional argument INTEGERS-ONLY is non-nil, insist on an integer."
+ (interactive)
+ (let (success
+ (number nil)
+ (predicate (if integers-only 'integerp 'numberp)))
+ (while (not success)
+ (let ((input-string (read-string prompt)))
+ (condition-case ()
+ (setq number (read input-string))
+ (error))
+ (if (funcall predicate number)
+ (setq success t)
+ (let ((cursor-in-echo-area t))
+ (message "Please type %s"
+ (if integers-only "an integer" "a number"))
+ (sit-for 1)))))
+ number))
+
+(defun real-path-name (name &optional default)
+ (file-truename (expand-file-name name default)))
+
+;; It's not clear what to return if the mouse is not in FRAME.
+(defun read-mouse-position (frame)
+ (let ((pos (mouse-position)))
+ (if (eq (car pos) frame)
+ (cdr pos))))
+
+(defun switch-to-other-buffer (arg)
+ "Switch to the previous buffer.
+With a numeric arg N, switch to the Nth most recent buffer.
+With an arg of 0, buries the current buffer at the
+bottom of the buffer stack."
+ (interactive "p")
+ (if (eq arg 0)
+ (bury-buffer (current-buffer)))
+ (switch-to-buffer
+ (if (<= arg 1) (other-buffer (current-buffer))
+ (nth arg
+ (apply 'nconc
+ (mapcar
+ (lambda (buf)
+ (if (= ?\ (string-to-char (buffer-name buf)))
+ nil
+ (list buf)))
+ (buffer-list)))))))
+
+(defun device-class (&optional device)
+ "Return the class (color behavior) of DEVICE.
+This will be one of 'color, 'grayscale, or 'mono.
+This function exists for compatibility with XEmacs."
+ (cond
+ ((display-color-p device) 'color)
+ ((display-grayscale-p device) 'grayscale)
+ (t 'mono)))
+
+(defalias 'find-face 'internal-find-face)
+(defalias 'get-face 'internal-get-face)
+(defalias 'try-face-font 'internal-try-face-font)
+
+(defalias 'exec-to-string 'shell-command-to-string)
+\f
+
+;; Buffer context
+
+(defun buffer-syntactic-context (&optional buffer)
+ "Syntactic context at point in BUFFER.
+Either of `string', `comment' or nil.
+This is an XEmacs compatibility function."
+ (with-current-buffer (or buffer (current-buffer))
+ (let ((state (syntax-ppss (point))))
+ (cond
+ ((nth 3 state) 'string)
+ ((nth 4 state) 'comment)))))
+
+
+(defun buffer-syntactic-context-depth (&optional buffer)
+ "Syntactic parenthesis depth at point in BUFFER.
+This is an XEmacs compatibility function."
+ (with-current-buffer (or buffer (current-buffer))
+ (nth 0 (syntax-ppss (point)))))
+
+
+;; Extents
+(defun make-extent (beg end &optional buffer)
+ (make-overlay beg end buffer))
+
+(defun extent-properties (extent) (overlay-properties extent))
+(unless (fboundp 'extent-property) (defalias 'extent-property 'overlay-get))
+
+(defun extent-at (pos &optional object property before)
+ (with-current-buffer (or object (current-buffer))
+ (let ((overlays (overlays-at pos)))
+ (when property
+ (let (filtered)
+ (while overlays
+ (if (overlay-get (car overlays) property)
+ (setq filtered (cons (car overlays) filtered)))
+ (setq overlays (cdr overlays)))
+ (setq overlays filtered)))
+ (setq overlays
+ (sort overlays
+ (function (lambda (o1 o2)
+ (let ((p1 (or (overlay-get o1 'priority) 0))
+ (p2 (or (overlay-get o2 'priority) 0)))
+ (or (> p1 p2)
+ (and (= p1 p2)
+ (> (overlay-start o1) (overlay-start o2)))))))))
+ (if before
+ (nth 1 (memq before overlays))
+ (car overlays)))))
+
+(defun set-extent-property (extent prop value)
+ ;; Make sure that separate adjacent extents
+ ;; with the same mouse-face value
+ ;; do not run together as one extent.
+ (and (eq prop 'mouse-face)
+ (symbolp value)
+ (setq value (list value)))
+ (if (eq prop 'duplicable)
+ (cond ((and value (not (overlay-get extent prop)))
+ ;; If becoming duplicable, copy all overlayprops to text props.
+ (add-text-properties (overlay-start extent)
+ (overlay-end extent)
+ (overlay-properties extent)
+ (overlay-buffer extent)))
+ ;; If becoming no longer duplicable, remove these text props.
+ ((and (not value) (overlay-get extent prop))
+ (remove-text-properties (overlay-start extent)
+ (overlay-end extent)
+ (overlay-properties extent)
+ (overlay-buffer extent))))
+ ;; If extent is already duplicable, put this property
+ ;; on the text as well as on the overlay.
+ (if (overlay-get extent 'duplicable)
+ (put-text-property (overlay-start extent)
+ (overlay-end extent)
+ prop value (overlay-buffer extent))))
+ (overlay-put extent prop value))
+
+(defun set-extent-face (extent face)
+ (set-extent-property extent 'face face))
+
+(defun set-extent-end-glyph (extent glyph)
+ (set-extent-property extent 'after-string glyph))
+
+(defun delete-extent (extent)
+ (set-extent-property extent 'duplicable nil)
+ (delete-overlay extent))
+\f
+;; Support the Lucid names with `screen' instead of `frame'.
+
+(defalias 'current-screen-configuration 'current-frame-configuration)
+(defalias 'delete-screen 'delete-frame)
+(defalias 'find-file-new-screen 'find-file-other-frame)
+(defalias 'find-file-read-only-new-screen 'find-file-read-only-other-frame)
+(defalias 'find-tag-new-screen 'find-tag-other-frame)
+;;(defalias 'focus-screen 'focus-frame)
+(defalias 'iconify-screen 'iconify-frame)
+(defalias 'mail-new-screen 'mail-other-frame)
+(defalias 'make-screen-invisible 'make-frame-invisible)
+(defalias 'make-screen-visible 'make-frame-visible)
+;; (defalias 'minibuffer-screen-list 'minibuffer-frame-list)
+(defalias 'modify-screen-parameters 'modify-frame-parameters)
+(defalias 'next-screen 'next-frame)
+;; (defalias 'next-multiscreen-window 'next-multiframe-window)
+;; (defalias 'previous-multiscreen-window 'previous-multiframe-window)
+;; (defalias 'redirect-screen-focus 'redirect-frame-focus)
+(defalias 'redraw-screen 'redraw-frame)
+;; (defalias 'screen-char-height 'frame-char-height)
+;; (defalias 'screen-char-width 'frame-char-width)
+;; (defalias 'screen-configuration-to-register 'frame-configuration-to-register)
+;; (defalias 'screen-focus 'frame-focus)
+(defalias 'screen-list 'frame-list)
+;; (defalias 'screen-live-p 'frame-live-p)
+(defalias 'screen-parameters 'frame-parameters)
+(defalias 'screen-pixel-height 'frame-pixel-height)
+(defalias 'screen-pixel-width 'frame-pixel-width)
+(defalias 'screen-root-window 'frame-root-window)
+(defalias 'screen-selected-window 'frame-selected-window)
+(defalias 'lower-screen 'lower-frame)
+(defalias 'raise-screen 'raise-frame)
+(defalias 'screen-visible-p 'frame-visible-p)
+(defalias 'screenp 'framep)
+(defalias 'select-screen 'select-frame)
+(defalias 'selected-screen 'selected-frame)
+;; (defalias 'set-screen-configuration 'set-frame-configuration)
+;; (defalias 'set-screen-height 'set-frame-height)
+(defalias 'set-screen-position 'set-frame-position)
+(defalias 'set-screen-size 'set-frame-size)
+;; (defalias 'set-screen-width 'set-frame-width)
+(defalias 'switch-to-buffer-new-screen 'switch-to-buffer-other-frame)
+;; (defalias 'unfocus-screen 'unfocus-frame)
+(defalias 'visible-screen-list 'visible-frame-list)
+(defalias 'window-screen 'window-frame)
+(defalias 'x-create-screen 'x-create-frame)
+(defalias 'x-new-screen 'make-frame)
+
+(provide 'lucid)
+
+;; arch-tag: 80f9ab46-0b36-4151-86ed-3edb6d449c9e
+;;; lucid.el ends here
HCoop / bpt / emacs.git / blobdiff