107 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			3.4 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, University of South Australia, NICTA
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 */
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#include <dix-config.h>
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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 <X11/extensions/XI.h>
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#include <X11/extensions/XI2proto.h>
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#include "dix/dix_priv.h"
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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 "extnsionst.h"
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#include "extinit.h"            /* LookupDeviceIntRec */
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#include "exevents.h"
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#include "exglobals.h"
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#include "xigetclientpointer.h"
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/***********************************************************************
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 * This procedure allows a client to query another client's client pointer
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 * setting.
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 */
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int _X_COLD
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SProcXIGetClientPointer(ClientPtr client)
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{
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    REQUEST(xXIGetClientPointerReq);
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    REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
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    swapl(&stuff->win);
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    return ProcXIGetClientPointer(client);
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}
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int
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ProcXIGetClientPointer(ClientPtr client)
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{
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    int rc;
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    ClientPtr winclient;
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    xXIGetClientPointerReply rep;
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    REQUEST(xXIGetClientPointerReq);
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    REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
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    if (stuff->win != None) {
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        rc = dixLookupClient(&winclient, stuff->win, client, DixGetAttrAccess);
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        if (rc != Success)
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            return BadWindow;
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    }
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    else
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        winclient = client;
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    rep = (xXIGetClientPointerReply) {
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        .repType = X_Reply,
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        .RepType = X_XIGetClientPointer,
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        .sequenceNumber = client->sequence,
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        .length = 0,
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        .set = (winclient->clientPtr != NULL),
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        .deviceid = (winclient->clientPtr) ? winclient->clientPtr->id : 0
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    };
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    WriteReplyToClient(client, sizeof(xXIGetClientPointerReply), &rep);
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    return Success;
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}
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/***********************************************************************
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 *
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 * This procedure writes the reply for the XGetClientPointer function,
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 * if the client and server have a different byte ordering.
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 *
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 */
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void _X_COLD
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SRepXIGetClientPointer(ClientPtr client, int size,
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                       xXIGetClientPointerReply * rep)
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{
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    swaps(&rep->sequenceNumber);
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    swapl(&rep->length);
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    swaps(&rep->deviceid);
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    WriteToClient(client, size, rep);
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}
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