public bool Init(AvaloniaX11Platform platform)
{
_platform = platform;
_x11 = platform.Info;
_multitouch = platform.Options?.EnableMultiTouch ?? false;
var devices = (XIDeviceInfo *)XIQueryDevice(_x11.Display,
(int)XiPredefinedDeviceId.XIAllMasterDevices, out int num);
for (var c = 0; c < num; c++)
{
if (devices[c].Use == XiDeviceType.XIMasterPointer)
{
_pointerDevice = new PointerDeviceInfo(devices[c]);
break;
}
}
if (_pointerDevice == null)
{
return(false);
}
/*
* int mask = 0;
*
* XISetMask(ref mask, XiEventType.XI_DeviceChanged);
* var emask = new XIEventMask
* {
* Mask = &mask,
* Deviceid = _pointerDevice.Id,
* MaskLen = XiEventMaskLen
* };
*
* if (XISelectEvents(_x11.Display, _x11.RootWindow, &emask, 1) != Status.Success)
* return false;
* return true;
*/
return(XiSelectEvents(_x11.Display, _x11.RootWindow, new Dictionary <int, List <XiEventType> >
{
[_pointerDevice.Id] = new List <XiEventType>
{
XiEventType.XI_DeviceChanged
}
}) == Status.Success);
}
