#include <QApplication>
#include <QtGui/QWindow>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QWindow w;
    w.show();

    QWindow subWindow;
    subWindow.setWidth(800);
    subWindow.setHeight(800);

    // This is required to see the issue with raw QWindows.
    subWindow.setTransientParent(&w);

    subWindow.show();

    return a.exec();
}