- void zone_renamed(const std::string &, const std::string &, unsigned);
- void group_selected(unsigned, const std::string &);
- void number_selected(unsigned, const std::string &);
+ void track_chain_removed(R2C2::TrackChain &);
+ void zone_renamed(R2C2::Zone &, const std::string &);
+ void group_selected(unsigned);
+ void number_selected(unsigned);