116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/* $Xorg: Pointer.c,v 1.4 2001/02/09 02:03:56 xorgcvs Exp $ */
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/********************************************************
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Copyright 1988 by Hewlett-Packard Company
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Copyright 1987, 1988, 1989 by Digital Equipment Corporation, Maynard
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that copyright notice and this permission
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notice appear in supporting documentation, and that the names of
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Hewlett-Packard or Digital not be used in advertising or
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publicity pertaining to distribution of the software without specific,
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written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/*
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Copyright 1987, 1988, 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "IntrinsicI.h"
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#include "PassivGraI.h"
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#define AllButtonsMask (Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask)
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Widget _XtProcessPointerEvent(
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XButtonEvent *event,
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Widget widget,
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XtPerDisplayInput pdi)
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{
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XtDevice device = &pdi->pointer;
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XtServerGrabPtr newGrab = NULL, devGrab = &device->grab;
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Widget dspWidget = NULL;
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Boolean deactivateGrab = FALSE;
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switch (event->type)
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{
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case ButtonPress:
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{
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if (!IsServerGrab(device->grabType))
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{
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Cardinal i;
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for (i = pdi->traceDepth;
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i > 0 && !newGrab;
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i--)
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newGrab = _XtCheckServerGrabsOnWidget((XEvent*)event,
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pdi->trace[i-1],
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POINTER);
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}
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if (newGrab)
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{
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/* Activate the grab */
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device->grab = *newGrab;
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device->grabType = XtPassiveServerGrab;
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}
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}
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break;
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case ButtonRelease:
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{
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if ((device->grabType == XtPassiveServerGrab) &&
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!(event->state & ~(Button1Mask << (event->button - 1)) &
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AllButtonsMask))
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deactivateGrab = TRUE;
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}
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break;
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}
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if (IsServerGrab(device->grabType) && !(devGrab)->ownerEvents)
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dspWidget = (devGrab)->widget;
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else
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dspWidget = widget;
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if (deactivateGrab)
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device->grabType = XtNoServerGrab;
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return dspWidget;
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}
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