ardour/libs/pbd/pbd/controllable.h
2006-10-25 20:11:42 +00:00

45 lines
920 B
C++

#ifndef __pbd_controllable_h__
#define __pbd_controllable_h__
#include <string>
#include <sigc++/trackable.h>
#include <sigc++/signal.h>
#include <pbd/statefuldestructible.h>
class XMLNode;
namespace PBD {
class Controllable : public PBD::StatefulDestructible {
public:
Controllable (std::string name);
virtual ~Controllable() { Destroyed (this); }
virtual void set_value (float) = 0;
virtual float get_value (void) const = 0;
virtual bool can_send_feedback() const { return true; }
sigc::signal<void> LearningFinished;
static sigc::signal<bool,PBD::Controllable*> StartLearning;
static sigc::signal<void,PBD::Controllable*> StopLearning;
static sigc::signal<void,Controllable*> Destroyed;
sigc::signal<void> Changed;
int set_state (const XMLNode&);
XMLNode& get_state ();
std::string name() const { return _name; }
private:
std::string _name;
};
}
#endif /* __pbd_controllable_h__ */