EventListener.hh

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#ifndef EVENTLISTENER_HH
#define EVENTLISTENER_HH

#include <memory>

namespace openmsx {

class Event;

class EventListener
{
public:
        virtual int signalEvent(const std::shared_ptr<const Event>& event) = 0;

protected:
        EventListener() = default;
        ~EventListener() = default;
};

} // namespace openmsx

#endif // EVENTLISTENER_HH