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