C++ (Cpp) QScreen::orientationUpdateMask примеры использования

Пример #1

Файл: tst_qscreen.cpp Проект: CodeDJ/qt5-hidpi

void tst_QScreen::orientationChange()
{
    qRegisterMetaType<Qt::ScreenOrientation>("Qt::ScreenOrientation");

    QScreen *screen = QGuiApplication::primaryScreen();

    screen->setOrientationUpdateMask(Qt::LandscapeOrientation | Qt::PortraitOrientation);

    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::LandscapeOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();
    QTRY_COMPARE(screen->orientation(), Qt::LandscapeOrientation);

    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::PortraitOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();
    QTRY_COMPARE(screen->orientation(), Qt::PortraitOrientation);

    QSignalSpy spy(screen, SIGNAL(orientationChanged(Qt::ScreenOrientation)));

    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::InvertedLandscapeOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();
    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::InvertedPortraitOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();
    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::LandscapeOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();

    QTRY_COMPARE(screen->orientation(), Qt::LandscapeOrientation);
    QCOMPARE(spy.count(), 1);

    spy.clear();
    QWindowSystemInterface::handleScreenOrientationChange(screen, Qt::InvertedLandscapeOrientation);
    QWindowSystemInterface::flushWindowSystemEvents();
    QTRY_COMPARE(screen->orientation(), Qt::LandscapeOrientation);
    QCOMPARE(spy.count(), 0);

    screen->setOrientationUpdateMask(screen->orientationUpdateMask() | Qt::InvertedLandscapeOrientation);
    QTRY_COMPARE(screen->orientation(), Qt::InvertedLandscapeOrientation);
    QCOMPARE(spy.count(), 1);
}