public EvDevSingleTouchScreen(EvDevDevice device, EvDevTouchScreenDeviceDescription description,
IScreenInfoProvider screenInfo) : base(device)
{
if (device.AbsX == null || device.AbsY == null)
{
throw new ArgumentException("Device is not a touchscreen");
}
_screenInfo = screenInfo;
_calibration = description.CalibrationMatrix;
_axisX = device.AbsX.Value;
_axisY = device.AbsY.Value;
}
public void Initialize(IScreenInfoProvider info, Action <RawInputEventArgs> onInput)
{
_onInput = onInput;
_epoll = epoll_create1(0);
for (var c = 0; c < _deviceDescriptions.Length; c++)
{
var description = _deviceDescriptions[c];
var dev = EvDevDevice.Open(description.Path);
EvDevDeviceHandler handler;
if (description is EvDevTouchScreenDeviceDescription touch)
{
handler = new EvDevSingleTouchScreen(dev, touch, info)
{
InputRoot = _inputRoot
}
}
;
else
{
throw new Exception("Unknown device description type " + description.GetType().FullName);
}
handler.OnEvent += OnRawEvent;
_handlers.Add(handler);
var ev = new epoll_event {
events = EPOLLIN, data = { u32 = (uint)c }
};
epoll_ctl(_epoll, EPOLL_CTL_ADD, dev.Fd, ref ev);
}
new Thread(InputThread)
{
IsBackground = true
}.Start();
}
public EvDevDeviceHandler(EvDevDevice device)
{
Device = device;
}