Msp::GLtk::Entry *ent_group;
Msp::GLtk::Dropdown *drp_qualifier;
Msp::GLtk::Entry *ent_number;
+ Msp::GLtk::FunctionListData<R2C2::Track *> up_directions;
+ Msp::GLtk::Dropdown *drp_up_direction;
+ Msp::GLtk::Dropdown *drp_preferred_dir;
public:
ZoneProperties(R2C2::Zone &);