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/*
* 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"
/*
* Must use these instead of the constants from xfixeswire.h. They advertise
* what we implement, not what the protocol headers define.
*/
#define SERVER_XFIXES_MAJOR 4
#define SERVER_XFIXES_MINOR 0
unsigned char XFixesReqCode;
int XFixesEventBase;
int XFixesErrorBase;
int XFixesClientPrivateIndex;
static int
ProcXFixesQueryVersion(ClientPtr client)
{
XFixesClientPtr pXFixesClient = GetXFixesClient(client);
xXFixesQueryVersionReply rep;
REQUEST(xXFixesQueryVersionReq);
REQUEST_SIZE_MATCH(xXFixesQueryVersionReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
if (stuff->majorVersion < SERVER_XFIXES_MAJOR) {
rep.majorVersion = stuff->majorVersion;
rep.minorVersion = stuff->minorVersion;
}
else {
rep.majorVersion = SERVER_XFIXES_MAJOR;
if (stuff->majorVersion == SERVER_XFIXES_MAJOR &&
stuff->minorVersion < SERVER_XFIXES_MINOR)
rep.minorVersion = stuff->minorVersion;
else
rep.minorVersion = SERVER_XFIXES_MINOR;
}
pXFixesClient->major_version = rep.majorVersion;
pXFixesClient->minor_version = rep.minorVersion;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.majorVersion);
swapl(&rep.minorVersion);
}
WriteToClient(client, sizeof(xXFixesQueryVersionReply), (char *) &rep);
return (client->noClientException);
}
/* 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 */
};
#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,};
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)
{
REQUEST(xXFixesQueryVersionReq);
swaps(&stuff->length);
swapl(&stuff->majorVersion);
swapl(&stuff->minorVersion);
return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
}
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,};
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;
XFixesClientPrivateIndex = AllocateClientPrivateIndex();
if (!AllocateClientPrivate(XFixesClientPrivateIndex,
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;
}
}