1 files changed, 112 insertions, 0 deletions
diff --git a/src/Pointer.c b/src/Pointer.c
new file mode 100644
index 0000000..1c981d2
--- /dev/null
+++ b/src/Pointer.c
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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.
+
+*/
+
+#include "IntrinsicI.h"
+#include "PassivGraI.h"
+
+
+#define AllButtonsMask (Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask)
+
+Widget _XtProcessPointerEvent(event, widget, pdi)
+    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;
+}