Allows mixing of Xt/Motif and Qt widgets. ... QXtWidget  ( const char * name, Widget parent, bool managed=FALSE )  . QXtWidget  ( const char * name, WidgetClass widget_class, QXtWidget * parent, ArgList args=0, Cardinal num_args=0, bool managed=FALSE )  . QXtWidget  ()  . ... For including Qt widgets in an existing Xt/Motif application, it can be a special Xt widget class that is a QWidget. ... Constructs a QXtWidget of the special Xt widget class known as " QWidget " to the resource manager. ...