#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "inputstr.h"
#include "windowstr.h"
#include <X11/extensions/XI2.h>
#include <X11/extensions/XI2proto.h>
#include "exglobals.h"
#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 ,
&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);
}