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Asked: 2026-05-23T00:25:44+00:00

I would like to use a single instance of QMenuBar to ease integration with

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I would like to use a single instance of QMenuBar to ease integration with Mac OS X, however the documentation states

Note: QMainWindow takes ownership of
the menuBar pointer and deletes it at
the appropriate time.

How can I get all my QMainWindows to share a single QMenuBar? Or is the simple and unfortunate answer “you can’t”?

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1 Answer

  1. Editorial Team

    Sorry for simply quoting the manual, but this question is really already covered on it.

    http://doc.qt.nokia.com/latest/qmainwindow.html#menuBar:

    If you want all windows in a Mac
    application to share one menu bar,
    don’t use this function to create it,
    because the menu bar created here will
    have this QMainWindow as its parent.
    Instead, you must create a menu bar
    that does not have a parent, which you
    can then share among all the Mac
    windows. Create a parent-less menu bar
    this way:

    QMenuBar *menuBar = new QMenuBar(0);

    More information about QMenuBar on Mac OS X:

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