include/vrvCore/DtSceneEventProcessor.h

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/******************************************************************************
** Copyright (c) 2010 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile:  $ $Revision:  $ $State:  $
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtEventProcessorInterface.h>
#include <vrvCore/DtElementEntry.h>

namespace makVrv
{
   class DtInputDriver;
   class DtDe;
   class DtMouseEvent;

   class DT_DLL_VRVCORE DtSceneEventProcessor : public DtEventProcessorInterface
   {
   public:

      DtSceneEventProcessor(DtInputDriver& inputDriver, DtDe& de);

      virtual ~DtSceneEventProcessor();

      virtual bool processMouseEvent( const DtMouseEvent& ev, DtChannel& channel);

      virtual bool processKeyboardEvent( const DtKeyEvent& ev, DtChannel& channel);

      virtual const std::string& className();

   protected:

      bool pickIntoScene(const DtMouseEvent& mouseEvent, DtChannel& channel);

      void pickInitiate( const DtMouseEvent& event,double x, double y,  double z  );
      void pickContinue( const DtMouseEvent& event );
      void pickComplete();
      bool pickInProgress() const;

      bool requestContextMenu(DtElementEntry::ObjectType type, 
         unsigned int x, unsigned int y, DtChannel& channel);
      
   protected:

      DtDe& myDe;
      DtInputDriver& myInputDriver;
      bool myPickInProgress;
      std::string myClassName;
   };

}