Remove `isHostSizeFixed` in delegate

Sine Striker

2024-05-09 3fbcf1aa8f91a804af50fad4e2b122f698259c94

 examples/mainwindow/main.cpp

@@ -33,7 +33,9 @@
    MainWindow w;
    w.show();

#if 0
    QMainWindow w2;
    w2.show();
#endif
    return a.exec();
}