xserver/Xi/xigetclientpointer.c

93 lines
3.0 KiB
C

/*
* 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
*/
#include <dix-config.h>
#include <X11/X.h> /* for inputstr.h */
#include <X11/Xproto.h> /* Request macro */
#include <X11/extensions/XI.h>
#include <X11/extensions/XI2proto.h>
#include "dix/dix_priv.h"
#include "inputstr.h" /* DeviceIntPtr */
#include "windowstr.h" /* window structure */
#include "scrnintstr.h" /* screen structure */
#include "extnsionst.h"
#include "extinit.h" /* LookupDeviceIntRec */
#include "exevents.h"
#include "exglobals.h"
#include "xigetclientpointer.h"
/***********************************************************************
* This procedure allows a client to query another client's client pointer
* setting.
*/
int _X_COLD
SProcXIGetClientPointer(ClientPtr client)
{
REQUEST(xXIGetClientPointerReq);
REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
swapl(&stuff->win);
return ProcXIGetClientPointer(client);
}
int
ProcXIGetClientPointer(ClientPtr client)
{
int rc;
ClientPtr winclient;
REQUEST(xXIGetClientPointerReq);
REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
if (stuff->win != None) {
rc = dixLookupResourceOwner(&winclient, stuff->win, client, DixGetAttrAccess);
if (rc != Success)
return BadWindow;
}
else
winclient = client;
xXIGetClientPointerReply rep = {
.repType = X_Reply,
.RepType = X_XIGetClientPointer,
.sequenceNumber = client->sequence,
.set = (winclient->clientPtr != NULL),
.deviceid = (winclient->clientPtr) ? winclient->clientPtr->id : 0
};
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swaps(&rep.deviceid);
}
WriteToClient(client, sizeof(xXIGetClientPointerReply), &rep);
return Success;
}