Method isExpanded

plugins/quickopen/expandingtree/expandingwidgetmodel.cpp:335–341

}

bool ExpandingWidgetModel::isExpanded(const QModelIndex& idx_) const
{
    Q_ASSERT(idx_.model() == this);

    QModelIndex idx(firstColumn(idx_));
    return m_expandState.contains(idx) && m_expandState[idx] == Expanded;
}

void ExpandingWidgetModel::setExpanded(const QModelIndex& idx_, bool expanded)
{