C++ (Cpp) QDesktopWidget::screenCountChanged примеры использования

Пример #1

Файл: qapplication_qpa.cpp Проект: TriggeredMessaging/phantomjs

void QApplicationPrivate::reportScreenCount(QWindowSystemInterfacePrivate::ScreenCountEvent *e)
{
    // This operation only makes sense after the QApplication constructor runs
    if (QCoreApplication::startingUp())
        return;

    QApplication::desktop()->d_func()->updateScreenList();
    // signal anything listening for creation or deletion of screens
    QDesktopWidget *desktop = QApplication::desktop();
    emit desktop->screenCountChanged(e->count);
}