private static List <EvDevDevice> OpenMouseDevices()
{
var rv = new List <EvDevDevice>();
foreach (var dev in Directory.GetFiles("/dev/input", "event*").Select(Open))
{
if (!dev.IsMouse)
{
NativeUnsafeMethods.close(dev.Fd);
}
else
{
rv.Add(dev);
}
}
return(rv);
}
public static EvDevDevice Open(string device)
{
var fd = NativeUnsafeMethods.open(device, 2048, 0);
if (fd <= 0)
{
throw new Exception($"Unable to open {device} code {Marshal.GetLastWin32Error()}");
}
IntPtr dev;
var rc = NativeUnsafeMethods.libevdev_new_from_fd(fd, out dev);
if (rc < 0)
{
NativeUnsafeMethods.close(fd);
throw new Exception($"Unable to initialize evdev for {device} code {Marshal.GetLastWin32Error()}");
}
return(new EvDevDevice(fd, dev));
}