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+ − 1 ;;; events.el --- event functions for XEmacs.
+ − 2
+ − 3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
+ − 4 ;; Copyright (C) 1996-7 Sun Microsystems, Inc.
+ − 5 ;; Copyright (C) 1996 Ben Wing.
+ − 6
+ − 7 ;; Maintainer: Martin Buchholz
+ − 8 ;; Keywords: internal, event, dumped
+ − 9
+ − 10 ;; This file is part of XEmacs.
+ − 11
+ − 12 ;; XEmacs is free software; you can redistribute it and/or modify it
+ − 13 ;; under the terms of the GNU General Public License as published by
+ − 14 ;; the Free Software Foundation; either version 2, or (at your option)
+ − 15 ;; any later version.
+ − 16
+ − 17 ;; XEmacs is distributed in the hope that it will be useful, but
+ − 18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ − 20 ;; General Public License for more details.
+ − 21
+ − 22 ;; You should have received a copy of the GNU General Public License
+ − 23 ;; along with XEmacs; see the file COPYING. If not, write to the
+ − 24 ;; Free Software Foundation, 59 Temple Place - Suite 330,
+ − 25 ;; Boston, MA 02111-1307, USA.
+ − 26
+ − 27 ;;; Synched up with: Not in FSF.
+ − 28
+ − 29 ;;; Commentary:
+ − 30
+ − 31 ;; This file is dumped with XEmacs.
+ − 32
+ − 33 ;;; Code:
+ − 34
+ − 35
+ − 36 (defun event-console (event)
+ − 37 "Return the console that EVENT occurred on.
+ − 38 This will be nil for some types of events (e.g. eval events)."
+ − 39 (cdfw-console (event-channel event)))
+ − 40
+ − 41 (defun event-device (event)
+ − 42 "Return the device that EVENT occurred on.
+ − 43 This will be nil for some types of events (e.g. keyboard and eval events)."
+ − 44 (dfw-device (event-channel event)))
+ − 45
+ − 46 (defun event-frame (event)
+ − 47 "Return the frame that EVENT occurred on.
+ − 48 This will be nil for some types of events (e.g. keyboard and eval events)."
+ − 49 (fw-frame (event-channel event)))
+ − 50
+ − 51 (defun event-buffer (event)
+ − 52 "Return the buffer of the window over which mouse event EVENT occurred.
+ − 53 Return nil unless both (mouse-event-p EVENT) and
+ − 54 (event-over-text-area-p EVENT) are non-nil."
+ − 55 (let ((window (event-window event)))
+ − 56 (and (windowp window) (window-buffer window))))
+ − 57
+ − 58 (defalias 'allocate-event 'make-event)
+ − 59
+ − 60
+ − 61 (defun key-press-event-p (object)
+ − 62 "Return t if OBJECT is a key-press event."
+ − 63 (and (event-live-p object) (eq 'key-press (event-type object))))
+ − 64
+ − 65 (defun button-press-event-p (object)
+ − 66 "Return t if OBJECT is a mouse button-press event."
+ − 67 (and (event-live-p object) (eq 'button-press (event-type object))))
+ − 68
+ − 69 (defun button-release-event-p (object)
+ − 70 "Return t if OBJECT is a mouse button-release event."
+ − 71 (and (event-live-p object) (eq 'button-release (event-type object))))
+ − 72
+ − 73 (defun button-event-p (object)
+ − 74 "Return t if OBJECT is a mouse button-press or button-release event."
+ − 75 (and (event-live-p object)
+ − 76 (memq (event-type object) '(button-press button-release))
+ − 77 t))
+ − 78
+ − 79 (defun motion-event-p (object)
+ − 80 "Return t if OBJECT is a mouse motion event."
+ − 81 (and (event-live-p object) (eq 'motion (event-type object))))
+ − 82
+ − 83 (defun mouse-event-p (object)
+ − 84 "Return t if OBJECT is a mouse button-press, button-release or motion event."
+ − 85 (and (event-live-p object)
+ − 86 (memq (event-type object) '(button-press button-release motion))
+ − 87 t))
+ − 88
+ − 89 (defun process-event-p (object)
+ − 90 "Return t if OBJECT is a process-output event."
+ − 91 (and (event-live-p object) (eq 'process (event-type object))))
+ − 92
+ − 93 (defun timeout-event-p (object)
+ − 94 "Return t if OBJECT is a timeout event."
+ − 95 (and (event-live-p object) (eq 'timeout (event-type object))))
+ − 96
+ − 97 (defun eval-event-p (object)
+ − 98 "Return t if OBJECT is an eval event."
+ − 99 (and (event-live-p object) (eq 'eval (event-type object))))
+ − 100
+ − 101 (defun misc-user-event-p (object)
+ − 102 "Return t if OBJECT is a misc-user event.
+ − 103 A misc-user event is a user event that is not a keypress or mouse click;
+ − 104 normally this means a menu selection or scrollbar action."
+ − 105 (and (event-live-p object) (eq 'misc-user (event-type object))))
+ − 106
+ − 107 ;; You could just as easily use event-glyph but we include this for
+ − 108 ;; consistency.
+ − 109
+ − 110 (defun event-over-glyph-p (object)
+ − 111 "Return t if OBJECT is a mouse event occurring over a glyph.
+ − 112 Mouse events are events of type button-press, button-release or motion."
+ − 113 (and (event-live-p object) (event-glyph object) t))
+ − 114
+ − 115 (defun keyboard-translate (&rest pairs)
+ − 116 "Translate character or keysym FROM to TO at a low level.
+ − 117 Multiple FROM-TO pairs may be specified.
+ − 118
+ − 119 See `keyboard-translate-table' for more information."
+ − 120 (while pairs
+ − 121 (puthash (pop pairs) (pop pairs) keyboard-translate-table)))
+ − 122
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+ − 123 (defun set-character-of-keysym (keysym character)
+ − 124 "Make CHARACTER be inserted when KEYSYM is pressed,
+ − 125 and the key has been bound to `self-insert-command'. "
+ − 126 (check-argument-type 'symbolp keysym)
+ − 127 (check-argument-type 'characterp character)
+ − 128 (put keysym 'character-of-keysym character))
+ − 129
+ − 130 (defun get-character-of-keysym (keysym)
+ − 131 "Return the character inserted when KEYSYM is pressed,
+ − 132 and the key is bound to `self-insert-command'. "
+ − 133 (check-argument-type 'symbolp keysym)
+ − 134 (event-to-character (make-event 'key-press (list 'key keysym))))
+ − 135
+ − 136 ;; We could take the first few of these out by removing the "/* Optimize for
+ − 137 ;; ASCII keysyms */" code in event-Xt.c, and I've a suspicion that may be
+ − 138 ;; the right thing to do anyway.
+ − 139
+ − 140 (loop for (keysym char) in
+ − 141 '((tab ?\t)
+ − 142 (linefeed ?\n)
+ − 143 (clear ?\014)
+ − 144 (return ?\r)
+ − 145 (escape ?\e)
+ − 146 (space ? )
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+ − 147
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+ − 148 ;; Do the same voodoo for the keypad keys. I used to bind these to
+ − 149 ;; keyboard macros (for instance, kp-0 was bound to "0") so that they
+ − 150 ;; would track the bindings of the corresponding keys by default, but
+ − 151 ;; that made the display of M-x describe-bindings much harder to read,
+ − 152 ;; so now we'll just bind them to self-insert by default. Not a big
+ − 153 ;; difference...
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+ − 154
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+ − 155 (kp-0 ?0)
+ − 156 (kp-1 ?1)
+ − 157 (kp-2 ?2)
+ − 158 (kp-3 ?3)
+ − 159 (kp-4 ?4)
+ − 160 (kp-5 ?5)
+ − 161 (kp-6 ?6)
+ − 162 (kp-7 ?7)
+ − 163 (kp-8 ?8)
+ − 164 (kp-9 ?9)
+ − 165
+ − 166 (kp-space ? )
+ − 167 (kp-tab ?\t)
+ − 168 (kp-enter ?\r)
+ − 169 (kp-equal ?=)
+ − 170 (kp-multiply ?*)
+ − 171 (kp-add ?+)
+ − 172 (kp-separator ?,)
+ − 173 (kp-subtract ?-)
+ − 174 (kp-decimal ?.)
+ − 175 (kp-divide ?/))
+ − 176 do (set-character-of-keysym keysym char))
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+ − 177
+ − 178 ;;; events.el ends here