114 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			114 lines
		
	
	
		
			3.2 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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/***********************************************************************
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 *
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 * Request to change a given device pointer's cursor.
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 *
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 */
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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/XI2proto.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 "input.h"
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#include "xichangecursor.h"
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/***********************************************************************
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 *
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 * This procedure allows a client to set one pointer's cursor.
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 *
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 */
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int
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SProcXIChangeCursor(ClientPtr client)
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{
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    char n;
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    REQUEST(xXIChangeCursorReq);
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    swaps(&stuff->length, n);
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    swapl(&stuff->win, n);
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    swapl(&stuff->cursor, n);
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    swaps(&stuff->deviceid, n);
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    REQUEST_SIZE_MATCH(xXIChangeCursorReq);
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    return (ProcXIChangeCursor(client));
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}
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int ProcXIChangeCursor(ClientPtr client)
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{
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    int rc;
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    WindowPtr pWin    = NULL;
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    DeviceIntPtr pDev = NULL;
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    CursorPtr pCursor = NULL;
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    REQUEST(xXIChangeCursorReq);
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    REQUEST_SIZE_MATCH(xXIChangeCursorReq);
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    rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
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    if (rc != Success)
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        return rc;
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    if (!IsMaster(pDev) || !IsPointerDevice(pDev))
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        return BadDevice;
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    if (stuff->win != None)
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    {
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        rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
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        if (rc != Success)
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            return rc;
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    }
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    if (stuff->cursor == None)
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    {
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        if (pWin == pWin->drawable.pScreen->root)
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            pCursor = rootCursor;
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        else
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            pCursor = (CursorPtr)None;
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    }
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    else
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    {
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	rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor,
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				     RT_CURSOR, client, DixUseAccess);
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	if (rc != Success)
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	    return rc;
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    }
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    ChangeWindowDeviceCursor(pWin, pDev, pCursor);
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    return Success;
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}
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