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Applying New UI Overtop the Existing Main Window

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  • H Offline
    H Offline
    haroldjclements
    wrote on last edited by
    #1

    This is a bit of a newbe question: How do you apply a new UI overtop the existing mainwindow?

    If I create a new form (newform.ui). Then on a button press, create a new instance
    @NewForm nf = new NewForm();@

    then initiate the new form:
    @nf.show(); @

    The new form opens in a new window and not the overtop the mainwindow. I take it that I have to somehow replace the existing form, but I am not too sure how?

    Thanks for any help,
    Harold Clements

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi and welcome to devnet,

      What exactly are you trying to achieve with NewForm ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • H Offline
        H Offline
        haroldjclements
        wrote on last edited by
        #3

        Thank you for your reply,

        At the moment, I am getting a new window with a title bar, that can be moved around the screen, with the parent form being visible under the new. I want to be able to have only one windows who's content changes and no new windows.

        I hope that makes sense!

        I think I need to create a widget rather than a form... but I am not too sure...

        Thanks again,
        Harold Clements

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        • H Offline
          H Offline
          haroldjclements
          wrote on last edited by
          #4

          OK, found it. I need to setCentralWidget with my new form...

          Thanks again,
          Harold Clements

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #5

            Depending on what you'll be doing a QStackedWidget as central widget will be more suited

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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