C++ (Cpp) QScreen::disconnect Exemples

Exemple #1

Fichier : units.cpp Projet : glwu/qml-material

void UnitsAttached::screenChanged(QScreen *screen)
{
    if (screen != m_screen) {
        QScreen *oldScreen = m_screen;
        m_screen = screen;

        if (oldScreen)
            oldScreen->disconnect(this);

        if (oldScreen == nullptr || screen == nullptr ||
            screen->physicalDotsPerInch() != oldScreen->physicalDotsPerInch() ||
            screen->logicalDotsPerInch() != oldScreen->logicalDotsPerInch() ||
            screen->devicePixelRatio() != oldScreen->devicePixelRatio()) {
            updateDPI();
            emit dpChanged();
        }
    }
}