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/*
* Copyright 2007-2008 Peter Hutterer
*
* 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.
*
* Author: Peter Hutterer, University of South Australia, NICTA
*/
/***********************************************************************
*
* Request to query the pointer location of an extension input device.
*
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <X11/X.h> /* for inputstr.h */
#include <X11/Xproto.h> /* Request macro */
#include "inputstr.h" /* DeviceIntPtr */
#include "windowstr.h" /* window structure */
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include "extnsionst.h"
#include "exevents.h"
#include "exglobals.h"
#ifdef PANORAMIX
#include "panoramiXsrv.h"
#endif
#include "querydp.h"
/***********************************************************************
*
* This procedure allows a client to query the pointer of a device.
*
*/
int
SProcXQueryDevicePointer(ClientPtr client)
{
char n;
REQUEST(xQueryDevicePointerReq);
swaps(&stuff->length, n);
return (ProcXQueryDevicePointer(client));
}
int
ProcXQueryDevicePointer(ClientPtr client)
{
int rc;
xQueryDevicePointerReply rep;
DeviceIntPtr pDev, kbd;
WindowPtr pWin, t;
SpritePtr pSprite;
REQUEST(xQueryDevicePointerReq);
REQUEST_SIZE_MATCH(xQueryDevicePointerReq);
rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixReadAccess);
if (rc != Success)
return rc;
if (pDev->valuator == NULL)
{
client->errorValue = stuff->deviceid;
return BadDevice;
}
rc = dixLookupWindow(&pWin, stuff->win, client, DixReadAccess);
if (rc != Success)
{
SendErrorToClient(client, IReqCode, X_QueryDevicePointer,
stuff->win, rc);
return Success;
}
if (pDev->valuator->motionHintWindow)
MaybeStopHint(pDev, client);
kbd = GetPairedDevice(pDev);
pSprite = pDev->spriteInfo->sprite;
rep.repType = X_Reply;
rep.RepType = X_QueryDevicePointer;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.mask = pDev->button->state | (kbd && kbd->key) ? kbd->key->state : 0;
rep.root = (GetCurrentRootWindow(pDev))->drawable.id;
rep.rootX = pSprite->hot.x;
rep.rootY = pSprite->hot.y;
rep.child = None;
rep.deviceid = pDev->id;
if (pSprite->hot.pScreen == pWin->drawable.pScreen)
{
rep.sameScreen = xTrue;
rep.winX = pSprite->hot.x - pWin->drawable.x;
rep.winY = pSprite->hot.y - pWin->drawable.y;
for (t = pSprite->win; t; t = t->parent)
if (t->parent == pWin)
{
rep.child = t->drawable.id;
break;
}
} else
{
rep.sameScreen = xFalse;
rep.winX = 0;
rep.winY = 0;
}
#ifdef PANORAMIX
if(!noPanoramiXExtension) {
rep.rootX += panoramiXdataPtr[0].x;
rep.rootY += panoramiXdataPtr[0].y;
if (stuff->win == rep.root)
{
rep.winX += panoramiXdataPtr[0].x;
rep.winY += panoramiXdataPtr[0].y;
}
}
#endif
WriteReplyToClient(client, sizeof(xQueryDevicePointerReply), &rep);
return Success;
}
/***********************************************************************
*
* This procedure writes the reply for the XQueryDevicePointer function,
* if the client and server have a different byte ordering.
*
*/
void
SRepXQueryDevicePointer(ClientPtr client, int size,
xQueryDevicePointerReply * rep)
{
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
WriteToClient(client, size, (char *)rep);
}
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