protected override void HandleEvent(input_event ev)
{
if (ev.Type == EvType.EV_ABS)
{
if (ev.Axis == AbsAxis.ABS_X)
{
_currentX = ev.value;
_hasMovement = true;
}
if (ev.Axis == AbsAxis.ABS_Y)
{
_currentY = ev.value;
_hasMovement = true;
}
}
if (ev.Type == EvType.EV_KEY)
{
if (ev.Key == EvKey.BTN_TOUCH)
{
_pressAction = ev.value != 0;
}
}
if (ev.Type == EvType.EV_SYN)
{
if (_pressAction != null)
{
RaiseEvent(_pressAction == true ? RawPointerEventType.TouchBegin : RawPointerEventType.TouchEnd,
ev.Timestamp);
}
else if (_hasMovement)
{
RaiseEvent(RawPointerEventType.TouchUpdate, ev.Timestamp);
}
_hasMovement = false;
_pressAction = null;
}
}
public unsafe static void SetKey(ushort KeyCode, bool Pressed)
{
input_event keyEv = new input_event();
input_event synEv = new input_event();
keyEv.type = EV_KEY;
keyEv.code = KeyCode;
keyEv.value = Pressed ? 1 : 0;
synEv.type = EV_SYN;
synEv.code = SYN_REPORT;
synEv.value = 0;
BCM2835.Native.write(fd, (void *)&keyEv, sizeof(input_event));
if (keyEv.code != LinuxKeyCodes.KEY_LEFTSHIFT && keyEv.code != LinuxKeyCodes.KEY_RIGHTSHIFT &&
keyEv.code != LinuxKeyCodes.KEY_LEFTALT && keyEv.code != LinuxKeyCodes.KEY_RIGHTALT &&
keyEv.code != LinuxKeyCodes.KEY_LEFTCTRL && keyEv.code != LinuxKeyCodes.KEY_RIGHTCTRL)
{
BCM2835.Native.write(fd, (void *)&synEv, sizeof(input_event));
}
}
protected abstract void HandleEvent(input_event ev);
private static void ProcessEvent(EvDevDevice device, input_event ev)
{
if (ev.type == (short)EvType.EV_REL)
{
if (ev.code == (short)AxisEventCode.REL_X)
{
_x = Math.Min(_width, Math.Max(0, _x + ev.value));
}
else if (ev.code == (short)AxisEventCode.REL_Y)
{
_y = Math.Min(_height, Math.Max(0, _y + ev.value));
}
else
{
return;
}
Console.WriteLine($"relative x->{_x} y->{_y}");
}
else if (ev.type == (int)EvType.EV_ABS)
{
if (ev.code == (short)AbsAxis.ABS_X && device.AbsX.HasValue)
{
_x = TranslateAxis(device.AbsX.Value, ev.value, _width);
}
else if (ev.code == (short)AbsAxis.ABS_Y && device.AbsY.HasValue)
{
_y = TranslateAxis(device.AbsY.Value, ev.value, _height);
}
else
{
return;
}
Console.WriteLine($"absolute x->{_x} y->{_y}");
}
else if (ev.type == (short)EvType.EV_KEY)
{
RawMouseEventType?type = null;
if (ev.code == (ushort)EvKey.BTN_LEFT)
{
type = ev.value == 1 ? RawMouseEventType.LeftButtonDown : RawMouseEventType.LeftButtonUp;
}
if (ev.code == (ushort)EvKey.BTN_RIGHT)
{
type = ev.value == 1 ? RawMouseEventType.RightButtonDown : RawMouseEventType.RightButtonUp;
}
if (ev.code == (ushort)EvKey.BTN_MIDDLE)
{
type = ev.value == 1 ? RawMouseEventType.MiddleButtonDown : RawMouseEventType.MiddleButtonUp;
}
if (!type.HasValue)
{
return;
}
Console.WriteLine($"key button->{type}");
}
else
{
Console.WriteLine($"other type->{(EvType)ev.type} code->{ev.code} value->{ev.value}");
}
}