359 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			359 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2006, Oracle and/or its affiliates.
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|  * Copyright 2010, 2021 Red Hat, Inc.
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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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|  * Copyright © 2002 Keith Packard
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that
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|  * copyright notice and this permission notice appear in supporting
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|  * documentation, and that the name of Keith Packard not be used in
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|  * advertising or publicity pertaining to distribution of the software without
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|  * specific, written prior permission.  Keith Packard makes no
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|  * representations about the suitability of this software for any purpose.  It
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|  * is provided "as is" without express or implied warranty.
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|  *
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|  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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|  * PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #include <dix-config.h>
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| 
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| #include "xfixesint.h"
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| #include "protocol-versions.h"
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| #include "extinit_priv.h"
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| 
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| Bool noXFixesExtension = FALSE;
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| 
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| static unsigned char XFixesReqCode;
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| int XFixesEventBase;
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| int XFixesErrorBase;
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| 
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| static DevPrivateKeyRec XFixesClientPrivateKeyRec;
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| 
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| #define XFixesClientPrivateKey (&XFixesClientPrivateKeyRec)
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| 
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| static int
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| ProcXFixesQueryVersion(ClientPtr client)
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| {
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|     int major, minor;
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|     XFixesClientPtr pXFixesClient = GetXFixesClient(client);
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|     xXFixesQueryVersionReply rep = {
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|         .type = X_Reply,
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|         .sequenceNumber = client->sequence,
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|         .length = 0
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|     };
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| 
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|     REQUEST(xXFixesQueryVersionReq);
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| 
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|     REQUEST_SIZE_MATCH(xXFixesQueryVersionReq);
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| 
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|     if (version_compare(stuff->majorVersion, stuff->minorVersion,
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|                         SERVER_XFIXES_MAJOR_VERSION,
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|                         SERVER_XFIXES_MINOR_VERSION) < 0) {
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|         major = max(pXFixesClient->major_version, stuff->majorVersion);
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|         minor = stuff->minorVersion;
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|     }
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|     else {
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|         major = SERVER_XFIXES_MAJOR_VERSION;
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|         minor = SERVER_XFIXES_MINOR_VERSION;
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|     }
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| 
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|     pXFixesClient->major_version = major;
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|     rep.majorVersion = min(stuff->majorVersion, major);
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|     rep.minorVersion = minor;
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|     if (client->swapped) {
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|         swaps(&rep.sequenceNumber);
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|         swapl(&rep.length);
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|         swapl(&rep.majorVersion);
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|         swapl(&rep.minorVersion);
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|     }
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|     WriteToClient(client, sizeof(xXFixesQueryVersionReply), &rep);
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|     return Success;
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| }
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| 
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| /* Major version controls available requests */
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| static const int version_requests[] = {
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|     X_XFixesQueryVersion,       /* before client sends QueryVersion */
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|     X_XFixesGetCursorImage,     /* Version 1 */
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|     X_XFixesChangeCursorByName, /* Version 2 */
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|     X_XFixesExpandRegion,       /* Version 3 */
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|     X_XFixesShowCursor,         /* Version 4 */
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|     X_XFixesDestroyPointerBarrier,      /* Version 5 */
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|     X_XFixesGetClientDisconnectMode,    /* Version 6 */
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| };
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| 
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| static int
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| ProcXFixesDispatch(ClientPtr client)
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| {
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|     REQUEST(xReq);
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|     XFixesClientPtr pXFixesClient = GetXFixesClient(client);
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| 
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|     if (pXFixesClient->major_version >= ARRAY_SIZE(version_requests))
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|         return BadRequest;
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|     if (stuff->data > version_requests[pXFixesClient->major_version])
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|         return BadRequest;
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| 
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|     switch (stuff->data) {
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|         /*************** Version 1 ******************/
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|         case X_XFixesQueryVersion:
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|             return ProcXFixesQueryVersion(client);
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|         case X_XFixesChangeSaveSet:
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|             return ProcXFixesChangeSaveSet(client);
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|         case X_XFixesSelectSelectionInput:
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|             return ProcXFixesSelectSelectionInput(client);
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|         case X_XFixesSelectCursorInput:
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|             return ProcXFixesSelectCursorInput(client);
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|         case X_XFixesGetCursorImage:
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|             return ProcXFixesGetCursorImage(client);
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| 
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|         /*************** Version 2 ******************/
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|         case X_XFixesCreateRegion:
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|             return ProcXFixesCreateRegion(client);
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|         case X_XFixesCreateRegionFromBitmap:
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|             return ProcXFixesCreateRegionFromBitmap(client);
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|         case X_XFixesCreateRegionFromWindow:
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|             return ProcXFixesCreateRegionFromWindow(client);
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|         case X_XFixesCreateRegionFromGC:
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|             return ProcXFixesCreateRegionFromGC(client);
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|         case X_XFixesCreateRegionFromPicture:
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|             return ProcXFixesCreateRegionFromPicture(client);
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|         case X_XFixesDestroyRegion:
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|             return ProcXFixesDestroyRegion(client);
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|         case X_XFixesSetRegion:
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|             return ProcXFixesSetRegion(client);
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|         case X_XFixesCopyRegion:
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|             return ProcXFixesCopyRegion(client);
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|         case X_XFixesUnionRegion:
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|             return ProcXFixesCombineRegion(client);
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|         case X_XFixesIntersectRegion:
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|             return ProcXFixesCombineRegion(client);
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|         case X_XFixesSubtractRegion:
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|             return ProcXFixesCombineRegion(client);
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|         case X_XFixesInvertRegion:
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|             return ProcXFixesInvertRegion(client);
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|         case X_XFixesTranslateRegion:
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|             return ProcXFixesTranslateRegion(client);
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|         case X_XFixesRegionExtents:
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|             return ProcXFixesRegionExtents(client);
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|         case X_XFixesFetchRegion:
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|             return ProcXFixesFetchRegion(client);
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|         case X_XFixesSetGCClipRegion:
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|             return ProcXFixesSetGCClipRegion(client);
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|         case X_XFixesSetWindowShapeRegion:
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|             return ProcXFixesSetWindowShapeRegion(client);
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|         case X_XFixesSetPictureClipRegion:
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|             return ProcXFixesSetPictureClipRegion(client);
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|         case X_XFixesSetCursorName:
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|             return ProcXFixesSetCursorName(client);
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|         case X_XFixesGetCursorName:
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|             return ProcXFixesGetCursorName(client);
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|         case X_XFixesGetCursorImageAndName:
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|             return ProcXFixesGetCursorImageAndName(client);
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|         case X_XFixesChangeCursor:
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|             return ProcXFixesChangeCursor(client);
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|         case X_XFixesChangeCursorByName:
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|             return ProcXFixesChangeCursorByName(client);
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| 
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|         /*************** Version 3 ******************/
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|         case X_XFixesExpandRegion:
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|             return ProcXFixesExpandRegion(client);
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|         /*************** Version 4 ******************/
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|         case X_XFixesHideCursor:
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|             return ProcXFixesHideCursor(client);
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|         case X_XFixesShowCursor:
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|             return ProcXFixesShowCursor(client);
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|         /*************** Version 5 ******************/
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|         case X_XFixesCreatePointerBarrier:
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|             return ProcXFixesCreatePointerBarrier(client);
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|         case X_XFixesDestroyPointerBarrier:
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|             return ProcXFixesDestroyPointerBarrier(client);
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|         /*************** Version 6 ******************/
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|         case X_XFixesSetClientDisconnectMode:
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|             return ProcXFixesSetClientDisconnectMode(client);
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|         case X_XFixesGetClientDisconnectMode:
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|             return ProcXFixesGetClientDisconnectMode(client);
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|         default:
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|             return BadRequest;
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|     }
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| }
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| 
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| static _X_COLD int
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| SProcXFixesQueryVersion(ClientPtr client)
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| {
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|     REQUEST(xXFixesQueryVersionReq);
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|     REQUEST_SIZE_MATCH(xXFixesQueryVersionReq);
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| 
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|     swapl(&stuff->majorVersion);
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|     swapl(&stuff->minorVersion);
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|     return ProcXFixesQueryVersion(client);
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| }
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| 
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| static _X_COLD int
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| SProcXFixesDispatch(ClientPtr client)
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| {
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|     REQUEST(xReq);
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|     XFixesClientPtr pXFixesClient = GetXFixesClient(client);
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| 
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|     if (pXFixesClient->major_version >= ARRAY_SIZE(version_requests))
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|         return BadRequest;
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|     if (stuff->data > version_requests[pXFixesClient->major_version])
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|         return BadRequest;
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| 
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|     switch (stuff->data) {
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|         /*************** Version 1 ******************/
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|         case X_XFixesQueryVersion:
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|             return SProcXFixesQueryVersion(client);
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|         case X_XFixesChangeSaveSet:
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|             return SProcXFixesChangeSaveSet(client);
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|         case X_XFixesSelectSelectionInput:
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|             return SProcXFixesSelectSelectionInput(client);
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|         case X_XFixesSelectCursorInput:
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|             return SProcXFixesSelectCursorInput(client);
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|         case X_XFixesGetCursorImage:
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|             return SProcXFixesGetCursorImage(client);
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| 
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|         /*************** Version 2 ******************/
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|         case X_XFixesCreateRegion:
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|             return SProcXFixesCreateRegion(client);
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|         case X_XFixesCreateRegionFromBitmap:
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|             return SProcXFixesCreateRegionFromBitmap(client);
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|         case X_XFixesCreateRegionFromWindow:
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|             return SProcXFixesCreateRegionFromWindow(client);
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|         case X_XFixesCreateRegionFromGC:
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|             return SProcXFixesCreateRegionFromGC(client);
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|         case X_XFixesCreateRegionFromPicture:
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|             return SProcXFixesCreateRegionFromPicture(client);
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|         case X_XFixesDestroyRegion:
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|             return SProcXFixesDestroyRegion(client);
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|         case X_XFixesSetRegion:
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|             return SProcXFixesSetRegion(client);
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|         case X_XFixesCopyRegion:
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|             return SProcXFixesCopyRegion(client);
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|         case X_XFixesUnionRegion:
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|             return SProcXFixesCombineRegion(client);
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|         case X_XFixesIntersectRegion:
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|             return SProcXFixesCombineRegion(client);
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|         case X_XFixesSubtractRegion:
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|             return SProcXFixesCombineRegion(client);
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|         case X_XFixesInvertRegion:
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|             return SProcXFixesInvertRegion(client);
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|         case X_XFixesTranslateRegion:
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|             return SProcXFixesTranslateRegion(client);
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|         case X_XFixesRegionExtents:
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|             return SProcXFixesRegionExtents(client);
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|         case X_XFixesFetchRegion:
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|             return SProcXFixesFetchRegion(client);
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|         case X_XFixesSetGCClipRegion:
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|             return SProcXFixesSetGCClipRegion(client);
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|         case X_XFixesSetWindowShapeRegion:
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|             return SProcXFixesSetWindowShapeRegion(client);
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|         case X_XFixesSetPictureClipRegion:
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|             return SProcXFixesSetPictureClipRegion(client);
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|         case X_XFixesSetCursorName:
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|             return SProcXFixesSetCursorName(client);
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|         case X_XFixesGetCursorName:
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|             return SProcXFixesGetCursorName(client);
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|         case X_XFixesGetCursorImageAndName:
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|             return SProcXFixesGetCursorImageAndName(client);
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|         case X_XFixesChangeCursor:
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|             return SProcXFixesChangeCursor(client);
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|         case X_XFixesChangeCursorByName:
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|             return SProcXFixesChangeCursorByName(client);
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| 
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|         /*************** Version 3 ******************/
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|         case X_XFixesExpandRegion:
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|             return SProcXFixesExpandRegion(client);
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|         /*************** Version 4 ******************/
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|         case X_XFixesHideCursor:
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|             return SProcXFixesHideCursor(client);
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|         case X_XFixesShowCursor:
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|             return SProcXFixesShowCursor(client);
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|         /*************** Version 5 ******************/
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|         case X_XFixesCreatePointerBarrier:
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|             return SProcXFixesCreatePointerBarrier(client);
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|         case X_XFixesDestroyPointerBarrier:
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|             return SProcXFixesDestroyPointerBarrier(client);
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|         /*************** Version 6 ******************/
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|         case X_XFixesSetClientDisconnectMode:
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|             return SProcXFixesSetClientDisconnectMode(client);
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|         case X_XFixesGetClientDisconnectMode:
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|             return SProcXFixesGetClientDisconnectMode(client);
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|         default:
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|             return BadRequest;
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|     }
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| }
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| 
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| void
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| XFixesExtensionInit(void)
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| {
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|     ExtensionEntry *extEntry;
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| 
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|     if (!dixRegisterPrivateKey
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|         (&XFixesClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(XFixesClientRec)))
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|         return;
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| 
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|     if (XFixesSelectionInit() &&
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|         XFixesCursorInit() &&
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|         XFixesRegionInit() &&
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|         XFixesClientDisconnectInit() &&
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|         (extEntry = AddExtension(XFIXES_NAME, XFixesNumberEvents,
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|                                  XFixesNumberErrors,
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|                                  ProcXFixesDispatch, SProcXFixesDispatch,
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|                                  NULL, StandardMinorOpcode)) != 0) {
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|         XFixesReqCode = (unsigned char) extEntry->base;
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|         XFixesEventBase = extEntry->eventBase;
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|         XFixesErrorBase = extEntry->errorBase;
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|         EventSwapVector[XFixesEventBase + XFixesSelectionNotify] =
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|             (EventSwapPtr) SXFixesSelectionNotifyEvent;
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|         EventSwapVector[XFixesEventBase + XFixesCursorNotify] =
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|             (EventSwapPtr) SXFixesCursorNotifyEvent;
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|         SetResourceTypeErrorValue(RegionResType, XFixesErrorBase + BadRegion);
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|         SetResourceTypeErrorValue(PointerBarrierType,
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|                                   XFixesErrorBase + BadBarrier);
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|     }
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| }
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| 
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| #ifdef XINERAMA
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| 
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| int XFixesUseXinerama = 0;
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| 
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| void
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| PanoramiXFixesInit(void)
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| {
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|     XFixesUseXinerama = 1;
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| }
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| 
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| void
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| PanoramiXFixesReset(void)
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| {
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|     XFixesUseXinerama = 0;
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| }
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| 
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| #endif /* XINERAMA */
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