QAction QKeySequence QActionGroup QColor QCursor QFont QGridLayout QHBoxLayout QIconSet QPixmap QMenuBar QPopupMenu QPixmap QRect QSize QSizePolicy QSpacerItem QSizePolicy QToolBar QVBoxLayout QPalette QColorGroup Check : QWidget QDataBrowser QSqlForm QKeySequence QToolTip QWhatsThis QSqlDatabase QSqlCursor QAction QActionGroup QGridLayout QHBoxLayout QIconSet QMenuBar QPixmap QSpacerItem QToolBar QVBoxLayout QWidget Upps! Which class?