- sigc::signal<void, unsigned> signal_button_press;
- sigc::signal<void, unsigned> signal_button_release;
- sigc::signal<void, unsigned, float, float> signal_axis_motion;
+ sigc::signal<bool, unsigned>::accumulated<EventAccumulator> signal_button_press;
+ sigc::signal<bool, unsigned>::accumulated<EventAccumulator> signal_button_release;
+ sigc::signal<bool, unsigned, float, float>::accumulated<EventAccumulator> signal_axis_motion;