Function findSourceModel

common/networkselectionmodel.cpp:47–59

find a model having a defaultSelectedItem method

// find a model having a defaultSelectedItem method
static QAbstractItemModel *findSourceModel(QAbstractItemModel *model)
{
    if (model) {
        if (model->metaObject()->indexOfMethod(QMetaObject::normalizedSignature(
                "defaultSelectedItem()"))
            != -1)
            return model;
        if (auto proxy = qobject_cast<QAbstractProxyModel *>(model))
            return findSourceModel(proxy->sourceModel());
    }

    return nullptr;
}

NetworkSelectionModel::NetworkSelectionModel(const QString &objectName, QAbstractItemModel *model,
                                             QObject *parent)