inline Visual *visual() const { return _visual; }
inline Window rootWindow() const { return _root_window; }
inline Colormap colormap() const { return _colormap; }
inline int depth() const { return _depth; }
inline Visual *visual() const { return _visual; }
inline Window rootWindow() const { return _root_window; }
inline Colormap colormap() const { return _colormap; }
inline int depth() const { return _depth; }