cevent.h

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#ifndef CEVENT_H
#define CEVENT_H

#include "csingletonmanager.h"

#include <assert.h>

class CEvent {
public:
  static const int TYPE_KEY_DOWN = 1;

  static const int TYPE_APPLICATION_EXIT = 2;
public:
  virtual ~CEvent() { }

  virtual int is_ctrl_pressed() = 0;

  virtual char get_key_ascii_value() = 0;

  virtual int get_type() = 0;
};

class CEventSystem {
private:
  /* Outlaw copy constructor and '=' operator. */
  CEventSystem(CEventSystem &);
  CEventSystem &operator=(CEventSystem &);

public:
  CEventSystem() { }
  virtual ~CEventSystem() { }

  virtual CEvent *get_next_event() = 0;
};

class CEventSystemManager : public CSingletonManager<CEventSystem> { };

typedef CSingletonFactory<CEventSystem> CEventSystemFactory;

#endif

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