162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/*
|
|
* 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 "exevents.h"
|
|
#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;
|
|
int mask_len;
|
|
|
|
REQUEST(xXIGrabDeviceReq);
|
|
REQUEST_AT_LEAST_SIZE(xXIGrabDeviceReq);
|
|
|
|
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGrabAccess);
|
|
if (ret != Success)
|
|
return ret;
|
|
|
|
if (!IsMaster(dev))
|
|
stuff->paired_device_mode = GrabModeAsync;
|
|
|
|
if (XICheckInvalidMaskBits(client, (unsigned char*)&stuff[1],
|
|
stuff->mask_len * 4) != Success)
|
|
return BadValue;
|
|
|
|
mask_len = min(sizeof(mask.xi2mask[stuff->deviceid]), stuff->mask_len * 4);
|
|
memset(mask.xi2mask, 0, sizeof(mask.xi2mask));
|
|
memcpy(mask.xi2mask, (char*)&stuff[1], mask_len);
|
|
|
|
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);
|
|
|
|
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);
|
|
}
|