+ void enable_message (std::string path, boost::shared_ptr<PBD::Controllable> controllable);
+ void comp_mode (void);
+ void change_message_with_id (std::string path, uint32_t id, boost::shared_ptr<PBD::Controllable> controllable);
+ void enable_message_with_id (std::string path, uint32_t id, boost::shared_ptr<PBD::Controllable> controllable);
+ void text_message (std::string path, std::string text);
+ void text_with_id (std::string path, uint32_t id, std::string name);