Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 232 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/Xi/grabdev.c b/nx-X11/programs/Xserver/Xi/grabdev.c
new file mode 100644
index 000000000..3b124a0f4
--- /dev/null
+++ b/nx-X11/programs/Xserver/Xi/grabdev.c
@@ -0,0 +1,232 @@
+/* $Xorg: grabdev.c,v 1.4 2001/02/09 02:04:34 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.
+
+********************************************************/
+/* $XFree86: xc/programs/Xserver/Xi/grabdev.c,v 3.2 2001/01/17 22:13:25 dawes Exp $ */
+
+/***********************************************************************
+ *
+ * Extension function to grab an extension device.
+ *
+ */
+
+
+#define	 NEED_EVENTS
+#define	 NEED_REPLIES
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>				/* for inputstr.h    */
+#include <X11/Xproto.h>			/* Request macro     */
+#include "inputstr.h"			/* DeviceIntPtr	     */
+#include "windowstr.h"			/* window structure  */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "extnsionst.h"
+#include "extinit.h"			/* LookupDeviceIntRec */
+#include "exglobals.h"
+#include "dixevents.h"			/* GrabDevice */
+
+#include "grabdev.h"
+
+extern	XExtEventInfo	EventInfo[];
+extern int		ExtEventIndex;
+
+/***********************************************************************
+ *
+ * Swap the request if the requestor has a different byte order than us.
+ *
+ */
+
+int
+SProcXGrabDevice(client)
+    register ClientPtr client;
+    {
+    register char n;
+    register long *p;
+    register int i;
+
+    REQUEST(xGrabDeviceReq);
+    swaps(&stuff->length, n);
+    REQUEST_AT_LEAST_SIZE(xGrabDeviceReq);
+    swapl(&stuff->grabWindow, n);
+    swapl(&stuff->time, n);
+    swaps(&stuff->event_count, n);
+    p = (long *) &stuff[1];
+    for (i=0; i<stuff->event_count; i++)
+        {
+        swapl(p, n);
+	p++;
+        }
+
+    return(ProcXGrabDevice(client));
+    }
+
+/***********************************************************************
+ *
+ * Grab an extension device.
+ *
+ */
+
+int
+ProcXGrabDevice(client)
+    ClientPtr client;
+    {
+    int			error;
+    xGrabDeviceReply 	rep;
+    DeviceIntPtr 	dev;
+    struct tmask	tmp[EMASKSIZE];
+
+    REQUEST(xGrabDeviceReq);
+    REQUEST_AT_LEAST_SIZE(xGrabDeviceReq);
+
+    if (stuff->length !=(sizeof(xGrabDeviceReq)>>2) + stuff->event_count)
+	{
+	SendErrorToClient (client, IReqCode, X_GrabDevice, 0, BadLength);
+	return Success;
+	}
+
+    rep.repType = X_Reply;
+    rep.RepType = X_GrabDevice;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+
+    dev = LookupDeviceIntRec (stuff->deviceid);
+    if (dev == NULL)
+	{
+	SendErrorToClient(client, IReqCode, X_GrabDevice, 0, BadDevice);
+	return Success;
+	}
+
+    if (CreateMaskFromList (client, (XEventClass *)&stuff[1], 
+	stuff->event_count, tmp, dev, X_GrabDevice) != Success)
+	return Success;
+
+    error = GrabDevice (client, dev, stuff->this_device_mode, 
+	stuff->other_devices_mode, stuff->grabWindow, stuff->ownerEvents, 
+	stuff->time, tmp[stuff->deviceid].mask, &rep.status);
+
+    if (error != Success)
+	{
+	SendErrorToClient(client, IReqCode, X_GrabDevice, 0, error);
+	return Success;
+	}
+    WriteReplyToClient(client, sizeof(xGrabDeviceReply), &rep);
+    return Success;
+    }
+
+
+/***********************************************************************
+ *
+ * This procedure creates an event mask from a list of XEventClasses.
+ *
+ */
+
+int
+CreateMaskFromList (client, list, count, mask, dev, req)
+    ClientPtr		client;
+    XEventClass		*list;
+    int			count;
+    struct tmask	mask[];
+    DeviceIntPtr	dev;
+    int			req;
+    {
+    int			i,j;
+    int			device;
+    DeviceIntPtr	tdev;
+
+    for (i=0; i<EMASKSIZE; i++)
+	{
+	mask[i].mask = 0;
+	mask[i].dev = NULL;
+	}
+
+    for (i=0; i<count; i++, list++)
+	{
+	device = *list >> 8;
+	if (device > 255)
+	    {
+	    SendErrorToClient(client, IReqCode, req, 0, BadClass);
+	    return BadClass;
+	    }
+	tdev = LookupDeviceIntRec (device);
+	if (tdev==NULL || (dev != NULL && tdev != dev))
+	    {
+	    SendErrorToClient(client, IReqCode, req, 0, BadClass);
+	    return BadClass;
+	    }
+
+	for (j=0; j<ExtEventIndex; j++)
+	    if (EventInfo[j].type == (*list & 0xff))
+		{
+		mask[device].mask |= EventInfo[j].mask;
+		mask[device].dev = (Pointer) tdev;
+		break;
+		}
+	}
+    return Success;
+    }
+
+/***********************************************************************
+ *
+ * This procedure writes the reply for the XGrabDevice function,
+ * if the client and server have a different byte ordering.
+ *
+ */
+
+void
+SRepXGrabDevice (client, size, rep)
+    ClientPtr	client;
+    int		size;
+    xGrabDeviceReply	*rep;
+    {
+    register char n;
+
+    swaps(&rep->sequenceNumber, n);
+    swapl(&rep->length, n);
+    WriteToClient(client, size, (char *)rep);
+    }