1 files changed, 118 insertions, 0 deletions
diff --git a/Xi/ungrdev.c b/Xi/ungrdev.c
new file mode 100644
index 000000000..90a01a4bc
--- /dev/null
+++ b/Xi/ungrdev.c
@@ -0,0 +1,118 @@
+/* $Xorg: ungrdev.c,v 1.4 2001/02/09 02:04:35 xorgcvs Exp $ */
+
+/************************************************************
+
+Copyright 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.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+			All Rights Reserved
+
+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 name of Hewlett-Packard not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+HEWLETT-PACKARD 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.
+
+********************************************************/
+
+/***********************************************************************
+ *
+ * Request to release a grab of an extension device.
+ *
+ */
+
+#define	 NEED_EVENTS
+#define	 NEED_REPLIES
+#include "X.h"				/* for inputstr.h    */
+#include "Xproto.h"			/* Request macro     */
+#include "inputstr.h"			/* DeviceIntPtr	     */
+#include "windowstr.h"			/* window structure  */
+#include "XIproto.h"
+
+extern	int 	IReqCode;
+extern	int	BadDevice;
+extern	void	(* ReplySwapVector[256]) ();
+DeviceIntPtr	LookupDeviceIntRec();
+
+/***********************************************************************
+ *
+ * Handle requests from a client with a different byte order.
+ *
+ */
+
+int
+SProcXUngrabDevice(client)
+register ClientPtr client;
+    {
+    register char n;
+
+    REQUEST(xUngrabDeviceReq);
+    swaps(&stuff->length, n);
+    REQUEST_SIZE_MATCH(xUngrabDeviceReq);
+    swapl(&stuff->time, n);
+    return(ProcXUngrabDevice(client));
+    }
+
+/***********************************************************************
+ *
+ * Release a grab of an extension device.
+ *
+ */
+
+int
+ProcXUngrabDevice(client)
+register ClientPtr client;
+    {
+    DeviceIntPtr 	dev;
+    GrabPtr 		grab;
+    TimeStamp 		time;
+
+    REQUEST(xUngrabDeviceReq);
+    REQUEST_SIZE_MATCH(xUngrabDeviceReq);
+
+    dev = LookupDeviceIntRec (stuff->deviceid);
+    if (dev == NULL)
+	{
+	SendErrorToClient(client, IReqCode, X_UngrabDevice, 0, BadDevice);
+	return Success;
+	}
+    grab =  dev->grab;
+
+    time = ClientTimeToServerTime(stuff->time);
+    if ((CompareTimeStamps(time, currentTime) != LATER) &&
+	(CompareTimeStamps(time, dev->grabTime) != EARLIER) &&
+	(grab) && SameClient(grab, client))
+	(*dev->DeactivateGrab)(dev);
+    return Success;
+    }