266 lines
8.9 KiB
C
266 lines
8.9 KiB
C
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/*
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* $Id: xfixes.c,v 1.1.1.1 2006/11/26 18:15:08 matthieu Exp $
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*
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* Copyright © 2006 Sun Microsystems
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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 Sun Microsystems 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. Sun Microsystems 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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* SUN MICROSYSTEMS 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 SUN MICROSYSTEMS 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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* 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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "xfixesint.h"
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/*
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* Must use these instead of the constants from xfixeswire.h. They advertise
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* what we implement, not what the protocol headers define.
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*/
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#define SERVER_XFIXES_MAJOR 4
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#define SERVER_XFIXES_MINOR 0
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unsigned char XFixesReqCode;
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int XFixesEventBase;
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int XFixesErrorBase;
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int XFixesClientPrivateIndex;
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static int
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ProcXFixesQueryVersion(ClientPtr client)
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{
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XFixesClientPtr pXFixesClient = GetXFixesClient (client);
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xXFixesQueryVersionReply rep;
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register int n;
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REQUEST(xXFixesQueryVersionReq);
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REQUEST_SIZE_MATCH(xXFixesQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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if (stuff->majorVersion < SERVER_XFIXES_MAJOR) {
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rep.majorVersion = stuff->majorVersion;
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rep.minorVersion = stuff->minorVersion;
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} else {
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rep.majorVersion = SERVER_XFIXES_MAJOR;
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if (stuff->majorVersion == SERVER_XFIXES_MAJOR &&
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stuff->minorVersion < SERVER_XFIXES_MINOR)
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rep.minorVersion = stuff->minorVersion;
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else
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rep.minorVersion = SERVER_XFIXES_MINOR;
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}
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pXFixesClient->major_version = rep.majorVersion;
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pXFixesClient->minor_version = rep.minorVersion;
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if (client->swapped) {
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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swapl(&rep.majorVersion, n);
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swapl(&rep.minorVersion, n);
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}
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WriteToClient(client, sizeof(xXFixesQueryVersionReply), (char *)&rep);
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return(client->noClientException);
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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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};
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#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0]))
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int (*ProcXFixesVector[XFixesNumberRequests])(ClientPtr) = {
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/*************** Version 1 ******************/
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ProcXFixesQueryVersion,
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ProcXFixesChangeSaveSet,
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ProcXFixesSelectSelectionInput,
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ProcXFixesSelectCursorInput,
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ProcXFixesGetCursorImage,
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/*************** Version 2 ******************/
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ProcXFixesCreateRegion,
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ProcXFixesCreateRegionFromBitmap,
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ProcXFixesCreateRegionFromWindow,
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ProcXFixesCreateRegionFromGC,
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ProcXFixesCreateRegionFromPicture,
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ProcXFixesDestroyRegion,
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ProcXFixesSetRegion,
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ProcXFixesCopyRegion,
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ProcXFixesCombineRegion,
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ProcXFixesCombineRegion,
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ProcXFixesCombineRegion,
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ProcXFixesInvertRegion,
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ProcXFixesTranslateRegion,
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ProcXFixesRegionExtents,
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ProcXFixesFetchRegion,
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ProcXFixesSetGCClipRegion,
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ProcXFixesSetWindowShapeRegion,
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ProcXFixesSetPictureClipRegion,
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ProcXFixesSetCursorName,
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ProcXFixesGetCursorName,
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ProcXFixesGetCursorImageAndName,
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ProcXFixesChangeCursor,
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ProcXFixesChangeCursorByName,
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/*************** Version 3 ******************/
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ProcXFixesExpandRegion,
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/*************** Version 4 ****************/
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ProcXFixesHideCursor,
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ProcXFixesShowCursor,
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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(xXFixesReq);
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XFixesClientPtr pXFixesClient = GetXFixesClient (client);
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if (pXFixesClient->major_version >= NUM_VERSION_REQUESTS)
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return BadRequest;
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if (stuff->xfixesReqType > version_requests[pXFixesClient->major_version])
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return BadRequest;
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return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
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}
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static int
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SProcXFixesQueryVersion(ClientPtr client)
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{
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register int n;
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REQUEST(xXFixesQueryVersionReq);
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swaps(&stuff->length, n);
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swapl(&stuff->majorVersion, n);
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swapl(&stuff->minorVersion, n);
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return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
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}
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int (*SProcXFixesVector[XFixesNumberRequests])(ClientPtr) = {
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/*************** Version 1 ******************/
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SProcXFixesQueryVersion,
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SProcXFixesChangeSaveSet,
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SProcXFixesSelectSelectionInput,
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SProcXFixesSelectCursorInput,
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SProcXFixesGetCursorImage,
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/*************** Version 2 ******************/
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SProcXFixesCreateRegion,
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SProcXFixesCreateRegionFromBitmap,
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SProcXFixesCreateRegionFromWindow,
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SProcXFixesCreateRegionFromGC,
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SProcXFixesCreateRegionFromPicture,
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SProcXFixesDestroyRegion,
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SProcXFixesSetRegion,
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SProcXFixesCopyRegion,
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SProcXFixesCombineRegion,
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SProcXFixesCombineRegion,
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SProcXFixesCombineRegion,
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SProcXFixesInvertRegion,
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SProcXFixesTranslateRegion,
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SProcXFixesRegionExtents,
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SProcXFixesFetchRegion,
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SProcXFixesSetGCClipRegion,
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SProcXFixesSetWindowShapeRegion,
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SProcXFixesSetPictureClipRegion,
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SProcXFixesSetCursorName,
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SProcXFixesGetCursorName,
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SProcXFixesGetCursorImageAndName,
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SProcXFixesChangeCursor,
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SProcXFixesChangeCursorByName,
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/*************** Version 3 ******************/
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SProcXFixesExpandRegion,
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/*************** Version 4 ****************/
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SProcXFixesHideCursor,
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SProcXFixesShowCursor,
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};
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static int
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SProcXFixesDispatch (ClientPtr client)
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{
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REQUEST(xXFixesReq);
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if (stuff->xfixesReqType >= XFixesNumberRequests)
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return BadRequest;
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return (*SProcXFixesVector[stuff->xfixesReqType]) (client);
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}
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static void
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XFixesClientCallback (CallbackListPtr *list,
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pointer closure,
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pointer data)
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{
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
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ClientPtr pClient = clientinfo->client;
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XFixesClientPtr pXFixesClient = GetXFixesClient (pClient);
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pXFixesClient->major_version = 0;
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pXFixesClient->minor_version = 0;
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}
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/*ARGSUSED*/
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static void
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XFixesResetProc (ExtensionEntry *extEntry)
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{
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DeleteCallback (&ClientStateCallback, XFixesClientCallback, 0);
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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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XFixesClientPrivateIndex = AllocateClientPrivateIndex ();
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if (!AllocateClientPrivate (XFixesClientPrivateIndex,
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sizeof (XFixesClientRec)))
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return;
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if (!AddCallback (&ClientStateCallback, XFixesClientCallback, 0))
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return;
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if (XFixesSelectionInit() && XFixesCursorInit () && XFixesRegionInit () &&
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(extEntry = AddExtension(XFIXES_NAME, XFixesNumberEvents,
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XFixesNumberErrors,
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ProcXFixesDispatch, SProcXFixesDispatch,
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XFixesResetProc, StandardMinorOpcode)) != 0)
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{
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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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}
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}
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