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  1. Qt
  2. QTBUG-46701

Closing a full screen window via Qt APIs leaves the screen black on macOS

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    • macOS
    • 7ba75d088c3eba81a1d2bb708119442991d9f30b (qt/qtbase/dev) ec45bf05aa9884f8c7bdd64c0adaa55f408b826b (qt/qtbase/6.2)

      The code snippet attached can be used to reproduce the issue

      #include <QApplication>
#include <QWidget>
#include <QTimer>


int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    a.setQuitOnLastWindowClosed(false);
    QWidget w;
    w.showFullScreen();
    
    QTimer::singleShot(2000, [&]{
        w.close();
    });
    
    return a.exec();
}

      Steps to reproduce:
      1. Build and run the example attached.
      Expected result:
      The window is closed and the dashboard changes to the "main" one

      Actual result:
      The window is closed and the dashboard is shown black, doesn't return to the "main" dashboard. (use cmd+tab to switch the dashboard).

        1. QTBUG-46701.patch
          1 kB
        2. QTBUG-46701.tar.gz
          0.7 kB
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            vhilshei Volker Hilsheimer
            qtcomsupport Qt Support
            Veli-Pekka Heinonen Veli-Pekka Heinonen
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            21 Vote for this issue
            Watchers:
            36 Start watching this issue

              Created:
              Updated:
              Resolved: