/**
* Returns whether the guest can currently switch to drawing the mouse cursor
* itself if it is asked to by the front-end.
*
* @returns COM status code
* @param pfNeedsHostCursor address of result variable
*/
STDMETHODIMP Mouse::COMGETTER(NeedsHostCursor) (BOOL *pfNeedsHostCursor)
{
if (!pfNeedsHostCursor)
return E_POINTER;
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
*pfNeedsHostCursor = guestNeedsHostCursor();
return S_OK;
}
/** Check what sort of reporting can be done using the devices currently
* enabled (including the VMM device) and notify the guest and the front-end.
*/
void Mouse::sendMouseCapsNotifications(void)
{
bool fAbsDev, fRelDev, fCanAbs, fNeedsHostCursor;
{
AutoReadLock aLock(this COMMA_LOCKVAL_SRC_POS);
getDeviceCaps(&fAbsDev, &fRelDev);
fCanAbs = supportsAbs();
fNeedsHostCursor = guestNeedsHostCursor();
}
if (fAbsDev)
updateVMMDevMouseCaps(VMMDEV_MOUSE_HOST_HAS_ABS_DEV, 0);
else
updateVMMDevMouseCaps(0, VMMDEV_MOUSE_HOST_HAS_ABS_DEV);
/** @todo this call takes the Console lock in order to update the cached
* callback data atomically. However I can't see any sign that the cached
* data is ever used again. */
mParent->onMouseCapabilityChange(fCanAbs, fRelDev, fNeedsHostCursor);
}
