virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
virtual QString idString() const;
inline bool isSingleBufferFilter() const { return _validBuffers.count() == 1; }
virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
virtual QString idString() const;
inline bool isSingleBufferFilter() const { return _validBuffers.count() == 1; }