public:
SplitScreen(GenericScreen *s1, GenericScreen *s2, GenericScreen *s3, GenericScreen *s4);
virtual ~SplitScreen();
bool check_invalidated();
public:
SplitScreen(GenericScreen *s1, GenericScreen *s2, GenericScreen *s3, GenericScreen *s4);
virtual ~SplitScreen();
bool check_invalidated();