inline bool isSingleBufferFilter() const { return _validBuffers.count() == 1; }
BufferId singleBufferId() const { return *(_validBuffers.constBegin()); }
inline bool containsBuffer(const BufferId &id) const { return _validBuffers.contains(id); }
+ inline QSet<BufferId> containedBuffers() const { return _validBuffers; }
public slots:
void messageTypeFilterChanged();