为什么显示时QSplashScreen不居中?

QSplashScreen 在一个 QMainWindow :

MainApp::MainApp() : QMainWindow(),
    splashScreen(new QSplashScreen)
{
    splashScreen->setFixedSize(350, 120);
    //splashScreen->move(splashScreen->x()-175, splashScreen->y()-60); //inits with upperleft corner at screen center
    splashScreen->setWindowOpacity(0.85);
    splashScreen->setAttribute(Qt::WA_StyledBackground);
    splashScreen->setStyleSheet("QSplashScreen { background-color: #000;"
                                                "background-image: url('"+pathLogo+"');"
                                                "background-repeat: no-repeat;"
                                                "background-position: center;"
                                                "border: 2px solid #fac805; }");

        QLabel *vrsLbl = new QLabel(splashScreen);
        vrsLbl->resize(350, 13);
        vrsLbl->move(0, 80);
        vrsLbl->setPixmap(pxVersion);
        vrsLbl->setAlignment(Qt::AlignHCenter);

    splashScreen->show();
}

屏幕的左上角位于屏幕的中心。简单的解决方法是移动它(因为它的大小是已知的),如上面所述。

根据 the docs :