Mac Full Screen Mode Issue



  • I'm trying to set my application to full screen and back in Qt 5.3, but I'm running into some issues on Mac. When I use showFullScreen(), it goes into full screen as expected. It uses the standard Mac full screen mode where it opens in a separate desktop/space. However, when I call showNormal() to return from full screen mode, the application window just disappears and I'm left with a grey background. I need to swipe in order to return to the regular desktop where the application is.

    Is this a bug in Qt or am I doing something wrong? I'm on OS X 10.9.3. Thanks!



  • FWIW, I've seen this on other apps on 10.9.3, like Microsoft Remote Desktop,
    you connect to a remote desktop, you can see it fullscreen for maybe half a second, then instead then grey carpet is shown and you have to swipe to get it back.
    Microsoft Remote Desktop App for OSX is built on Qt4 so maybe this is some old "feature" in Qt.


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    I'd rather suspect a change of behavior on OS X. Having a look at the "bug report system":http://bugreports.qt-project.org might be a good start


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