104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2007-2008 Peter Hutterer
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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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
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Author: Peter Hutterer, UniSA, NICTA
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 */
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/***********************************************************************
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 *
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 * Request to set the client pointer for the owner of the given window.
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 * All subsequent calls that are ambiguous will choose the client pointer as
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 * default value.
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 */
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#define	 NEED_EVENTS
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#define	 NEED_REPLIES
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>	/* for inputstr.h    */
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#include <X11/Xproto.h>	/* Request macro     */
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#include "inputstr.h"	/* DeviceIntPtr      */
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#include "windowstr.h"	/* window structure  */
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#include "scrnintstr.h"	/* screen structure  */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "extnsionst.h"
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#include "exevents.h"
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#include "exglobals.h"
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#include "setcptr.h"
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int
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SProcXSetClientPointer(ClientPtr client)
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{
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    char n;
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    REQUEST(xSetClientPointerReq);
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    swaps(&stuff->length, n);
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    REQUEST_SIZE_MATCH(xSetClientPointerReq);
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    return (ProcXSetClientPointer(client));
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}
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int
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ProcXSetClientPointer(ClientPtr client)
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{
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    DeviceIntPtr pDev;
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    ClientPtr targetClient;
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    int rc;
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    REQUEST(xSetClientPointerReq);
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    REQUEST_SIZE_MATCH(xSetClientPointerReq);
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    rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixWriteAccess);
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    if (rc != Success)
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        return rc;
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    if (!IsPointerDevice(pDev) || !pDev->isMaster)
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    {
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        client->errorValue = stuff->deviceid;
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        return BadDevice;
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    }
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    if (stuff->win != None)
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    {
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        rc = dixLookupClient(&targetClient, stuff->win, client,
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                DixWriteAccess);
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        if (rc != Success)
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            return rc;
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    } else
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        targetClient = client;
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    if (!SetClientPointer(targetClient, client, pDev))
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    {
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        client->errorValue = stuff->win;
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        return BadAccess;
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    }
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    return Success;
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}
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