include/tmqt/eventHandlerFactory.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: eventHandlerFactory.h,v $ $Revision: 1.4 $ $State: Exp $
*******************************************************************************/


#ifndef EVENTHANDLERFACTORY_H
#define EVENTHANDLERFACTORY_H

#include "tmqt/tmqtDefines.h"
#include <QtCore/QHash>

class DtEventHandler;
class DtEventController;

typedef DtEventHandler* (*DtHandlerCreate)(DtEventController* controller, void* use);
class DT_DLL_tmqt DtHandlerCreateInfo
{
public:
   DtHandlerCreateInfo() {};
   DtHandlerCreateInfo(DtHandlerCreate fcn, void *usr, bool appLevel = false);
   DtHandlerCreateInfo(const DtHandlerCreateInfo& orig) :
      myCallback(orig.myCallback), myUserData(orig.myUserData), myAppLevel(orig.myAppLevel) {};

   virtual ~DtHandlerCreateInfo();
   
   virtual DtHandlerCreate callback();
   virtual void* usertoLatin1();
   virtual bool appLevel();

protected:
   DtHandlerCreate myCallback;
   void* myUserData;

   bool myAppLevel;
};

class DT_DLL_tmqt DtEventHandlerFactory
{
public:
   DtEventHandlerFactory(DtEventController* controller);
   virtual ~DtEventHandlerFactory();

public:
   virtual void addHandlerCreate(int type, DtHandlerCreate fcn, void* usr = NULL);
   virtual void removeHandlerCreate(int type);

   virtual DtEventHandler* createHandler(int type);

   virtual DtEventController* eventController() const;

protected:
   QHash<int, DtHandlerCreateInfo> myHandlers;
   DtEventController* myEventController;
};

#endif