public:
sigc::signal<void, unsigned> signal_speed_changing;
sigc::signal<void, unsigned> signal_speed_changed;
+ sigc::signal<void, bool> signal_reverse_changed;
sigc::signal<void, unsigned, bool> signal_function_changed;
private:
unsigned get_speed() const { return speed; }
bool get_reverse() const { return reverse; }
bool get_function(unsigned f) const { return (funcs>>f)&1; }
+ unsigned get_functions() const { return funcs; }
void refresh_status();
private:
void send_command(bool);