Qt as only Gui Module (QMainWindow Params)

[radex99]

I`ve trying to do this and can`t do it could you give me an example? please,
Default constructor has QWidget param which i cannot create and send beacuse its private, the only way to create mainwindow is

MainWindow w;

when i use new, i can`t send ptr to QWidget, which is used in QMainWindow class constructor as parent. I didnt manage to made MainWindow object using "new" operator and cannot made good constructor with addinational param pls help