private void EmitButtonChange(bool prev, bool next, MouseButton button, MouseStatus nextStatus)
{
if (!prev && next)
{
MouseButtonDown?.Invoke(sender, new MouseButtonEvent(LastMouseStatus, nextStatus, button));
}
else if (prev && !next)
{
var ev = new MouseButtonEvent(LastMouseStatus, nextStatus, button);
MouseButtonUp?.Invoke(sender, ev);
MouseClick?.Invoke(sender, ev);
}
}
public void OnMouseChange(MouseStatus nextStatus)
{
// compare the two mouse statuses and emit appropriate events
// TODO ... this should be more clever. this could be handled easier with enum flags
EmitButtonChange(LastMouseStatus.LeftButtonDown, nextStatus.LeftButtonDown, MouseButton.Left, nextStatus);
EmitButtonChange(LastMouseStatus.MiddleButtonDown, nextStatus.MiddleButtonDown, MouseButton.Middle, nextStatus);
EmitButtonChange(LastMouseStatus.RightButtonDown, nextStatus.RightButtonDown, MouseButton.Right, nextStatus);
// move events
if (LastMouseStatus.Position != nextStatus.Position)
{
MouseMove?.Invoke(sender, new MouseEvent(LastMouseStatus, nextStatus));
}
LastMouseStatus = nextStatus;
}
public void OnMouseWheel(MouseWheelDirection direction, MouseStatus nextStatus)
{
MouseWheel?.Invoke(sender, new MouseWheelEvent(LastMouseStatus, nextStatus, direction));
OnMouseChange(nextStatus);
}
