virtual inline bool isPressed() const { return _pressed; }
virtual void press(unsigned int mouse_button);
virtual inline bool isPressed() const { return _pressed; }
virtual void press(unsigned int mouse_button);
virtual void buttonPressHandler(const XButtonEvent &e);
virtual void buttonReleaseHandler(const XButtonEvent &e);
virtual void buttonPressHandler(const XButtonEvent &e);
virtual void buttonReleaseHandler(const XButtonEvent &e);