Method populate

plugins/widgetinspector/widget3dwindowmodel.cpp:165–178

}

void Widget3DWindowModel::populate()
{
    QVector<QModelIndex> toVisit = { QModelIndex() };
    while (!toVisit.isEmpty()) {
        const auto idx = toVisit.takeFirst();
        if (idx.data(Widget3DModel::IsWindowRole).toBool()) {
            mNodes.push_back(new WindowNode(idx));
        }

        for (int i = 0, cnt = sourceModel()->rowCount(idx); i < cnt; ++i) {
            toVisit.push_front(sourceModel()->index(i, 0, idx));
        }
    }
}