void hide ();
void show ();
- void set_color ();
+ bool visible () const;
double size () const {
return _size;
}
void set_size (double);
- void set_visible (bool);
- bool visible () const;
+ void set_color ();
bool can_slide() const { return _can_slide; }
void set_can_slide(bool yn) { _can_slide = yn; }