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/*
* Copyright © 2009 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.
*
* Author: Peter Hutterer
*/
/***********************************************************************
*
* Request to grab or ungrab input device.
*
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "inputstr.h" /* DeviceIntPtr */
#include "windowstr.h" /* window structure */
#include <X11/extensions/XI2.h>
#include <X11/extensions/XI2proto.h>
#include "exglobals.h" /* BadDevice */
#include "xigrabdev.h"
int
SProcXIGrabDevice(ClientPtr client)
{
char n;
REQUEST(xXIGrabDeviceReq);
swaps(&stuff->length, n);
swaps(&stuff->deviceid, n);
swapl(&stuff->grab_window, n);
swapl(&stuff->cursor, n);
swapl(&stuff->time, n);
swaps(&stuff->mask_len, n);
return ProcXIGrabDevice(client);
}
int
ProcXIGrabDevice(ClientPtr client)
{
DeviceIntPtr dev;
xXIGrabDeviceReply rep;
int ret = Success;
uint8_t status;
GrabMask mask;
REQUEST(xXIGrabDeviceReq);
REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
if (stuff->deviceid > 0xFF) /* FIXME */
return BadImplementation;
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
if (ret != Success)
return ret;
if (!IsMaster(dev))
stuff->paired_device_mode = GrabModeAsync;
memset(mask.xi2mask, 0, sizeof(mask.xi2mask));
memcpy(mask.xi2mask, (char*)&stuff[1], stuff->mask_len * 4);
ret = GrabDevice(client, dev, stuff->grab_mode,
stuff->paired_device_mode,
stuff->grab_window,
stuff->owner_events,
stuff->time,
&mask,
GRABTYPE_XI2,
stuff->cursor,
None /* confineTo */,
&status);
if (ret != Success)
return ret;
rep.repType = X_Reply;
rep.RepType = X_XIGrabDevice;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.status = status;
WriteReplyToClient(client, sizeof(rep), &rep);
return ret;
}
int
SProcXIUngrabDevice(ClientPtr client)
{
char n;
REQUEST(xXIUngrabDeviceReq);
swaps(&stuff->length, n);
swaps(&stuff->deviceid, n);
swapl(&stuff->time, n);
return ProcXIUngrabDevice(client);
}
int
ProcXIUngrabDevice(ClientPtr client)
{
DeviceIntPtr dev;
GrabPtr grab;
int ret = Success;
TimeStamp time;
REQUEST(xXIUngrabDeviceReq);
if (stuff->deviceid > 0xFF) /* FIXME */
{
client->errorValue = stuff->deviceid;
return BadImplementation;
}
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
if (ret != Success)
return ret;
grab = dev->deviceGrab.grab;
time = ClientTimeToServerTime(stuff->time);
if ((CompareTimeStamps(time, currentTime) != LATER) &&
(CompareTimeStamps(time, dev->deviceGrab.grabTime) != EARLIER) &&
(grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_XI2)
(*dev->deviceGrab.DeactivateGrab) (dev);
return Success;
}
void SRepXIGrabDevice(ClientPtr client, int size, xXIGrabDeviceReply * rep)
{
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
WriteToClient(client, size, (char *)rep);
}
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