redef var pressed

	redef fun pressed
	do
		var action = motion_event.native.action
		return action.is_down or action.is_move or action.is_pointer_down
	end

	redef fun pressed
	do
		var native = native
		if native isa SDLMouseButtonEvent then
			return native.pressed and native.button == 1
		else if native isa SDLMouseMotionEvent then
			return native.state & 1 == 1
		else abort
	end