Qt creator - .ui form displaying in new window

I'm in the process of creating a GUI in Qt creator. Right now I have different .ui forms that correspond with different parts of my GUI. My login.ui window appears when you first run the program. When you click the loginButton, a new window displays with my MainMenuScreen.ui form. My problem is I don't want the MainMenuScreen to open in a new window...I want the application to only have one window and the contents change...any way I can do this by keeping separate .ui forms and without using StackedWidgets? My LoginScreen.ui and MainMenuScreen.ui both extend QWidget and in my Login.cpp I have an onclick event function which calls show() and creates the new window of my MainMenuScreen.

Thanks!

Solution

I think you can just call the setCentralWidget() method of your QMainWindow to reset the widget that is displayed in the Window.

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