- virtual void key_press(unsigned, unsigned, wchar_t) { }
- virtual void key_release(unsigned, unsigned) { }
+ virtual void touch_press(int, int, unsigned);
+ virtual void touch_release(int, int, unsigned);
+ virtual void touch_motion(int, int, unsigned);
+ virtual bool key_press(unsigned, unsigned) { return false; }
+ virtual bool key_release(unsigned, unsigned) { return false; }
+ virtual bool character(wchar_t) { return false; }