+ HeaderTrack(int index, TrackInfo info, int height, const QList <QAction *>& actions, QWidget *parent = 0);
+ //virtual ~HeaderTrack();
+ void setLock(bool lock);
+ void adjustSize(int height);
+ void setSelectedIndex(int ix);
+ /** @brief Update the track label to show if current track has effects or not.*/
+ void updateEffectLabel(const QStringList &effects);