DtEventProcessorInterface.h

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/******************************************************************************
** Copyright (c) 2008 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#ifndef DtEventProcessorInterface_H_
#define DtEventProcessorInterface_H_

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtMouseEvent.h>
#include <vrvCore/DtUniqueID.h>
#include <string>

// REMOVE THIS along with the creator later
#include <vrvUtil/DtVirtualBaseClass.h>

namespace makVrv
{
   class DtKeyEvent;
   class DtPinchGesture;
   class DtChannel;
   class DtDe;
   
   class DT_DLL_VRVCORE DtEventProcessorInterface
   {
   public:
      DtEventProcessorInterface();

      virtual ~DtEventProcessorInterface();

      virtual bool processMouseEvent( const DtMouseEvent& ev, DtChannel& channel) = 0;
      
      virtual bool processKeyboardEvent( const DtKeyEvent& ev, DtChannel& channel) = 0;   

      virtual bool processPinchGesture( const DtPinchGesture& ev, DtChannel& channel) {return false;}

      virtual const std::string& className() = 0;

      virtual void setEnabled(bool b);

      inline bool enabled() const
      {
         return myEnabled;
      }

   protected:
      bool  myEnabled;
   };


   class DT_DLL_VRVCORE DtWidgetEventProcessorCreator : public DtVirtualBaseClass
   {

   public:
      static DtWidgetEventProcessorCreator& instance( DtDe& de );

      static void registerInstance(DtDe& de,
         DtWidgetEventProcessorCreator* instance);     

      virtual DtEventProcessorInterface* create( DtDe& de ) = 0;
   };
}

#endif