38 friend std::ostream & operator<<( std::ostream & str,
const NCEmpty & obj );
46 virtual const char * location()
const {
return "NCEmpty"; }
54 virtual int preferredWidth() {
return YEmpty::preferredWidth(); }
55 virtual int preferredHeight() {
return YEmpty::preferredHeight(); }
57 virtual void setSize(
int newWidth,
int newHeight );