#ifndef MSP_INPUT_MOUSE_H_
#define MSP_INPUT_MOUSE_H_
+#include <sigc++/trackable.h>
#include <msp/graphics/window.h>
#include "device.h"
Note: Y axis grows upwards.
*/
-class Mouse: public Device
+class Mouse: public Device, public sigc::trackable
{
private:
Graphics::Window &window;