301 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			301 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
 | |
|  * Copyright 2010 Red Hat, Inc.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | |
|  * and/or sell copies of the Software, and to permit persons to whom the
 | |
|  * Software is furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice (including the next
 | |
|  * paragraph) shall be included in all copies or substantial portions of the
 | |
|  * Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | |
|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | |
|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 | |
|  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 | |
|  * DEALINGS IN THE SOFTWARE.
 | |
|  *
 | |
|  * Copyright © 2002 Keith Packard
 | |
|  *
 | |
|  * Permission to use, copy, modify, distribute, and sell this software and its
 | |
|  * documentation for any purpose is hereby granted without fee, provided that
 | |
|  * the above copyright notice appear in all copies and that both that
 | |
|  * copyright notice and this permission notice appear in supporting
 | |
|  * documentation, and that the name of Keith Packard not be used in
 | |
|  * advertising or publicity pertaining to distribution of the software without
 | |
|  * specific, written prior permission.  Keith Packard makes no
 | |
|  * representations about the suitability of this software for any purpose.  It
 | |
|  * is provided "as is" without express or implied warranty.
 | |
|  *
 | |
|  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 | |
|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 | |
|  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 | |
|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 | |
|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 | |
|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 | |
|  * PERFORMANCE OF THIS SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_DIX_CONFIG_H
 | |
| #include <dix-config.h>
 | |
| #endif
 | |
| 
 | |
| #include "xfixesint.h"
 | |
| #include "protocol-versions.h"
 | |
| 
 | |
| static unsigned char	XFixesReqCode;
 | |
| int		XFixesEventBase;
 | |
| int		XFixesErrorBase;
 | |
| 
 | |
| static DevPrivateKeyRec XFixesClientPrivateKeyRec;
 | |
| #define XFixesClientPrivateKey (&XFixesClientPrivateKeyRec)
 | |
| 
 | |
| static int
 | |
| ProcXFixesQueryVersion(ClientPtr client)
 | |
| {
 | |
|     XFixesClientPtr pXFixesClient = GetXFixesClient (client);
 | |
|     xXFixesQueryVersionReply rep;
 | |
|     register int n;
 | |
|     REQUEST(xXFixesQueryVersionReq);
 | |
| 
 | |
|     REQUEST_SIZE_MATCH(xXFixesQueryVersionReq);
 | |
|     memset(&rep, 0, sizeof(xXFixesQueryVersionReply));
 | |
|     rep.type = X_Reply;
 | |
|     rep.length = 0;
 | |
|     rep.sequenceNumber = client->sequence;
 | |
| 
 | |
|     if (version_compare(stuff->majorVersion, stuff->minorVersion,
 | |
|                         SERVER_XFIXES_MAJOR_VERSION, SERVER_XFIXES_MAJOR_VERSION) < 0)
 | |
|     {
 | |
| 	rep.majorVersion = stuff->majorVersion;
 | |
| 	rep.minorVersion = stuff->minorVersion;
 | |
|     } else {
 | |
| 	rep.majorVersion = SERVER_XFIXES_MAJOR_VERSION;
 | |
|         rep.minorVersion = SERVER_XFIXES_MINOR_VERSION;
 | |
|     }
 | |
| 
 | |
|     pXFixesClient->major_version = rep.majorVersion;
 | |
|     pXFixesClient->minor_version = rep.minorVersion;
 | |
|     if (client->swapped) {
 | |
|     	swaps(&rep.sequenceNumber, n);
 | |
|     	swapl(&rep.length, n);
 | |
| 	swapl(&rep.majorVersion, n);
 | |
| 	swapl(&rep.minorVersion, n);
 | |
|     }
 | |
|     WriteToClient(client, sizeof(xXFixesQueryVersionReply), (char *)&rep);
 | |
|     return Success;
 | |
| }
 | |
| 
 | |
| /* Major version controls available requests */
 | |
| static const int version_requests[] = {
 | |
|     X_XFixesQueryVersion,	    /* before client sends QueryVersion */
 | |
|     X_XFixesGetCursorImage,	    /* Version 1 */
 | |
|     X_XFixesChangeCursorByName,	    /* Version 2 */
 | |
|     X_XFixesExpandRegion,	    /* Version 3 */
 | |
|     X_XFixesShowCursor,		    /* Version 4 */
 | |
|     X_XFixesDestroyPointerBarrier,  /* Version 5 */
 | |
| };
 | |
| 
 | |
| #define NUM_VERSION_REQUESTS	(sizeof (version_requests) / sizeof (version_requests[0]))
 | |
|     
 | |
| int	(*ProcXFixesVector[XFixesNumberRequests])(ClientPtr) = {
 | |
| /*************** Version 1 ******************/
 | |
|     ProcXFixesQueryVersion,
 | |
|     ProcXFixesChangeSaveSet,
 | |
|     ProcXFixesSelectSelectionInput,
 | |
|     ProcXFixesSelectCursorInput,
 | |
|     ProcXFixesGetCursorImage,
 | |
| /*************** Version 2 ******************/
 | |
|     ProcXFixesCreateRegion,
 | |
|     ProcXFixesCreateRegionFromBitmap,
 | |
|     ProcXFixesCreateRegionFromWindow,
 | |
|     ProcXFixesCreateRegionFromGC,
 | |
|     ProcXFixesCreateRegionFromPicture,
 | |
|     ProcXFixesDestroyRegion,
 | |
|     ProcXFixesSetRegion,
 | |
|     ProcXFixesCopyRegion,
 | |
|     ProcXFixesCombineRegion,
 | |
|     ProcXFixesCombineRegion,
 | |
|     ProcXFixesCombineRegion,
 | |
|     ProcXFixesInvertRegion,
 | |
|     ProcXFixesTranslateRegion,
 | |
|     ProcXFixesRegionExtents,
 | |
|     ProcXFixesFetchRegion,
 | |
|     ProcXFixesSetGCClipRegion,
 | |
|     ProcXFixesSetWindowShapeRegion,
 | |
|     ProcXFixesSetPictureClipRegion,
 | |
|     ProcXFixesSetCursorName,
 | |
|     ProcXFixesGetCursorName,
 | |
|     ProcXFixesGetCursorImageAndName,
 | |
|     ProcXFixesChangeCursor,
 | |
|     ProcXFixesChangeCursorByName,
 | |
| /*************** Version 3 ******************/
 | |
|     ProcXFixesExpandRegion,
 | |
| /*************** Version 4 ****************/
 | |
|     ProcXFixesHideCursor,
 | |
|     ProcXFixesShowCursor,
 | |
| /*************** Version 5 ****************/
 | |
|     ProcXFixesCreatePointerBarrier,
 | |
|     ProcXFixesDestroyPointerBarrier,
 | |
| };
 | |
| 
 | |
| static int
 | |
| ProcXFixesDispatch (ClientPtr client)
 | |
| {
 | |
|     REQUEST(xXFixesReq);
 | |
|     XFixesClientPtr pXFixesClient = GetXFixesClient (client);
 | |
| 
 | |
|     if (pXFixesClient->major_version >= NUM_VERSION_REQUESTS)
 | |
| 	return BadRequest;
 | |
|     if (stuff->xfixesReqType > version_requests[pXFixesClient->major_version])
 | |
| 	return BadRequest;
 | |
|     return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
 | |
| }
 | |
| 
 | |
| static int
 | |
| SProcXFixesQueryVersion(ClientPtr client)
 | |
| {
 | |
|     register int n;
 | |
|     REQUEST(xXFixesQueryVersionReq);
 | |
| 
 | |
|     swaps(&stuff->length, n);
 | |
|     swapl(&stuff->majorVersion, n);
 | |
|     swapl(&stuff->minorVersion, n);
 | |
|     return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
 | |
| }
 | |
| 
 | |
| static int (*SProcXFixesVector[XFixesNumberRequests])(ClientPtr) = {
 | |
| /*************** Version 1 ******************/
 | |
|     SProcXFixesQueryVersion,
 | |
|     SProcXFixesChangeSaveSet,
 | |
|     SProcXFixesSelectSelectionInput,
 | |
|     SProcXFixesSelectCursorInput,
 | |
|     SProcXFixesGetCursorImage,
 | |
| /*************** Version 2 ******************/
 | |
|     SProcXFixesCreateRegion,
 | |
|     SProcXFixesCreateRegionFromBitmap,
 | |
|     SProcXFixesCreateRegionFromWindow,
 | |
|     SProcXFixesCreateRegionFromGC,
 | |
|     SProcXFixesCreateRegionFromPicture,
 | |
|     SProcXFixesDestroyRegion,
 | |
|     SProcXFixesSetRegion,
 | |
|     SProcXFixesCopyRegion,
 | |
|     SProcXFixesCombineRegion,
 | |
|     SProcXFixesCombineRegion,
 | |
|     SProcXFixesCombineRegion,
 | |
|     SProcXFixesInvertRegion,
 | |
|     SProcXFixesTranslateRegion,
 | |
|     SProcXFixesRegionExtents,
 | |
|     SProcXFixesFetchRegion,
 | |
|     SProcXFixesSetGCClipRegion,
 | |
|     SProcXFixesSetWindowShapeRegion,
 | |
|     SProcXFixesSetPictureClipRegion,
 | |
|     SProcXFixesSetCursorName,
 | |
|     SProcXFixesGetCursorName,
 | |
|     SProcXFixesGetCursorImageAndName,
 | |
|     SProcXFixesChangeCursor,
 | |
|     SProcXFixesChangeCursorByName,
 | |
| /*************** Version 3 ******************/
 | |
|     SProcXFixesExpandRegion,
 | |
| /*************** Version 4 ****************/
 | |
|     SProcXFixesHideCursor,
 | |
|     SProcXFixesShowCursor,
 | |
| /*************** Version 5 ****************/
 | |
|     SProcXFixesCreatePointerBarrier,
 | |
|     SProcXFixesDestroyPointerBarrier,
 | |
| };
 | |
| 
 | |
| static int
 | |
| SProcXFixesDispatch (ClientPtr client)
 | |
| {
 | |
|     REQUEST(xXFixesReq);
 | |
|     if (stuff->xfixesReqType >= XFixesNumberRequests)
 | |
| 	return BadRequest;
 | |
|     return (*SProcXFixesVector[stuff->xfixesReqType]) (client);
 | |
| }
 | |
| 
 | |
| static void
 | |
| XFixesClientCallback (CallbackListPtr	*list,
 | |
| 		      pointer		closure,
 | |
| 		      pointer		data)
 | |
| {
 | |
|     NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
 | |
|     ClientPtr		pClient = clientinfo->client;
 | |
|     XFixesClientPtr	pXFixesClient = GetXFixesClient (pClient);
 | |
| 
 | |
|     pXFixesClient->major_version = 0;
 | |
|     pXFixesClient->minor_version = 0;
 | |
| }
 | |
| 
 | |
| /*ARGSUSED*/
 | |
| static void
 | |
| XFixesResetProc (ExtensionEntry *extEntry)
 | |
| {
 | |
|     DeleteCallback (&ClientStateCallback, XFixesClientCallback, 0);
 | |
| }
 | |
| 
 | |
| void
 | |
| XFixesExtensionInit(void)
 | |
| {
 | |
|     ExtensionEntry *extEntry;
 | |
| 
 | |
|     if (!dixRegisterPrivateKey(&XFixesClientPrivateKeyRec, PRIVATE_CLIENT, sizeof (XFixesClientRec)))
 | |
| 	return;
 | |
|     if (!AddCallback (&ClientStateCallback, XFixesClientCallback, 0))
 | |
| 	return;
 | |
| 
 | |
|     if (XFixesSelectionInit() && XFixesCursorInit () && XFixesRegionInit () &&
 | |
| 	(extEntry = AddExtension(XFIXES_NAME, XFixesNumberEvents, 
 | |
| 				 XFixesNumberErrors,
 | |
| 				 ProcXFixesDispatch, SProcXFixesDispatch,
 | |
| 				 XFixesResetProc, StandardMinorOpcode)) != 0)
 | |
|     {
 | |
| 	XFixesReqCode = (unsigned char)extEntry->base;
 | |
| 	XFixesEventBase = extEntry->eventBase;
 | |
| 	XFixesErrorBase = extEntry->errorBase;
 | |
| 	EventSwapVector[XFixesEventBase + XFixesSelectionNotify] =
 | |
| 	    (EventSwapPtr) SXFixesSelectionNotifyEvent;
 | |
| 	EventSwapVector[XFixesEventBase + XFixesCursorNotify] =
 | |
| 	    (EventSwapPtr) SXFixesCursorNotifyEvent;
 | |
| 	SetResourceTypeErrorValue(RegionResType, XFixesErrorBase + BadRegion);
 | |
| 	SetResourceTypeErrorValue(PointerBarrierType,
 | |
| 				  XFixesErrorBase + BadBarrier);
 | |
|     }
 | |
| }
 | |
| 
 | |
| #ifdef PANORAMIX
 | |
| 
 | |
| int (*PanoramiXSaveXFixesVector[XFixesNumberRequests])(ClientPtr);
 | |
| 
 | |
| void
 | |
| PanoramiXFixesInit (void)
 | |
| {
 | |
|     int i;
 | |
| 
 | |
|     for (i = 0; i < XFixesNumberRequests; i++)
 | |
| 	PanoramiXSaveXFixesVector[i] = ProcXFixesVector[i];
 | |
|     /*
 | |
|      * Stuff in Xinerama aware request processing hooks
 | |
|      */
 | |
|     ProcXFixesVector[X_XFixesSetGCClipRegion] = PanoramiXFixesSetGCClipRegion;
 | |
|     ProcXFixesVector[X_XFixesSetWindowShapeRegion] = PanoramiXFixesSetWindowShapeRegion;
 | |
|     ProcXFixesVector[X_XFixesSetPictureClipRegion] = PanoramiXFixesSetPictureClipRegion;
 | |
| }
 | |
| 
 | |
| void
 | |
| PanoramiXFixesReset (void)
 | |
| {
 | |
|     int i;
 | |
| 
 | |
|     for (i = 0; i < XFixesNumberRequests; i++)
 | |
| 	ProcXFixesVector[i] = PanoramiXSaveXFixesVector[i];
 | |
| }
 | |
| 
 | |
| #endif
 |