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- ;;; events.el --- event functions.
-
- ;;;; Copyright (C) 1996 Ben Wing.
-
- ;; Maintainer: Martin Buchholz
- ;; Keywords: internal event
-
- ;; This file is part of XEmacs.
-
- ;; XEmacs 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.
-
- ;; XEmacs 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, 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Synched up with: Not in FSF.
-
- ;;; Code:
-
-
- (defun event-console (event)
- "Return the console that EVENT occurred on.
- This will be nil for some types of events (e.g. eval events)."
- (cdfw-console (event-channel event)))
-
- (defun event-device (event)
- "Return the device that EVENT occurred on.
- This will be nil for some types of events (e.g. keyboard and eval events)."
- (dfw-device (event-channel event)))
-
- (defun event-frame (event)
- "Return the frame that EVENT occurred on.
- This will be nil for some types of events (e.g. keyboard and eval events)."
- (fw-frame (event-channel event)))
-
- (defun event-buffer (event)
- "Return the buffer of the window over which mouse event EVENT occurred.
- Return nil unless both (mouse-event-p EVENT) and
- (event-over-text-area-p EVENT) are non-nil."
- (let ((window (event-window event)))
- (and (windowp window) (window-buffer window))))
-
- (defalias 'allocate-event 'make-event)
-
-
- (defun key-press-event-p (object)
- "Return t if OBJECT is a key-press event."
- (and (event-live-p object) (eq 'key-press (event-type object))))
-
- (defun button-press-event-p (object)
- "Return t if OBJECT is a mouse button-press event."
- (and (event-live-p object) (eq 'button-press (event-type object))))
-
- (defun button-release-event-p (object)
- "Return t if OBJECT is a mouse button-release event."
- (and (event-live-p object) (eq 'button-release (event-type object))))
-
- (defun button-event-p (object)
- "Return t if OBJECT is a mouse button-press or button-release event."
- (and (event-live-p object)
- (memq (event-type object) '(button-press button-release))
- t))
-
- (defun motion-event-p (object)
- "Return t if OBJECT is a mouse motion event."
- (and (event-live-p object) (eq 'motion (event-type object))))
-
- (defun mouse-event-p (object)
- "Return t if OBJECT is a mouse button-press, button-release or motion event."
- (and (event-live-p object)
- (memq (event-type object) '(button-press button-release motion))
- t))
-
- (defun process-event-p (object)
- "Return t if OBJECT is a process-output event."
- (and (event-live-p object) (eq 'process (event-type object))))
-
- (defun timeout-event-p (object)
- "Return t if OBJECT is a timeout event."
- (and (event-live-p object) (eq 'timeout (event-type object))))
-
- (defun eval-event-p (object)
- "Return t if OBJECT is an eval event."
- (and (event-live-p object) (eq 'eval (event-type object))))
-
- (defun misc-user-event-p (object)
- "Return t if OBJECT is a misc-user event.
- A misc-user event is a user event that is not a keypress or mouse click;
- normally this means a menu selection or scrollbar action."
- (and (event-live-p object) (eq 'misc-user (event-type object))))
-
- ;; You could just as easily use event-glyph but we include this for
- ;; consistency.
-
- (defun event-over-glyph-p (object)
- "Return t if OBJECT is a mouse event occurring over a glyph.
- Mouse events are events of type button-press, button-release or motion."
- (and (event-live-p object) (event-glyph object) t))
-
- (defun keyboard-translate (&rest pairs)
- "Translate character or keysym FROM to TO at a low level.
- Multiple FROM-TO pairs may be specified.
-
- See `keyboard-translate-table' for more information."
- (while pairs
- (puthash (pop pairs) (pop pairs) keyboard-translate-table)))
-
- (put 'backspace 'ascii-character ?\b)
- (put 'delete 'ascii-character ?\177)
- (put 'tab 'ascii-character ?\t)
- (put 'linefeed 'ascii-character ?\n)
- (put 'clear 'ascii-character 12)
- (put 'return 'ascii-character ?\r)
- (put 'escape 'ascii-character ?\e)
- (put 'space 'ascii-character ? )
-
- ;; Do the same voodoo for the keypad keys. I used to bind these to keyboard
- ;; macros (for instance, kp-0 was bound to "0") so that they would track the
- ;; bindings of the corresponding keys by default, but that made the display
- ;; of M-x describe-bindings much harder to read, so now we'll just bind them
- ;; to self-insert by default. Not a big difference...
-
- (put 'kp-0 'ascii-character ?0)
- (put 'kp-1 'ascii-character ?1)
- (put 'kp-2 'ascii-character ?2)
- (put 'kp-3 'ascii-character ?3)
- (put 'kp-4 'ascii-character ?4)
- (put 'kp-5 'ascii-character ?5)
- (put 'kp-6 'ascii-character ?6)
- (put 'kp-7 'ascii-character ?7)
- (put 'kp-8 'ascii-character ?8)
- (put 'kp-9 'ascii-character ?9)
-
- (put 'kp-space 'ascii-character ? )
- (put 'kp-tab 'ascii-character ?\t)
- (put 'kp-enter 'ascii-character ?\r)
- (put 'kp-equal 'ascii-character ?=)
- (put 'kp-multiply 'ascii-character ?*)
- (put 'kp-add 'ascii-character ?+)
- (put 'kp-separator 'ascii-character ?,)
- (put 'kp-subtract 'ascii-character ?-)
- (put 'kp-decimal 'ascii-character ?.)
- (put 'kp-divide 'ascii-character ?/)
-
- ;;; events.el ends here
-