Method columnCount

src/ui/main/QuickOpen.cpp:42–49

public:
    int columnCount(const QModelIndex& parent = QModelIndex()) const override
    {
        if (parent.isValid()) {
            // non-root node
            return 0;
        }
        return 1;
    }

    /// \brief Proxy function that only uses the DisplayRole of the first column.
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override