boxDrawEventProcessor.h

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/******************************************************************************
** Copyright (c) 2011 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

#pragma once

#include <bhave3DGui/bhave3DGuiDefines.h>

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

#include <vrvCore/DtSelectionManager.h>
#include <vrvCore/DtElementEntry.h>
#include <vrvCore/DtDe.h>
#include <vrvCore/DtIntersector.h>
#include <geometry/point.h>

namespace makVrv
{
   class DtOverlayPolygonModelAgent;
   class DtSceneObjectAgent;
}


namespace BHAVE
{
   namespace BHAVE3DGui
   {
      class DT_DLL_bhave3DGui DtBoxDrawEventProcessor : public makVrv::DtEventProcessorInterface
      {
      public:

         DtBoxDrawEventProcessor(makVrv::DtDe& de);

         virtual ~DtBoxDrawEventProcessor();

         virtual const std::string& className() {return theClassName;};

         virtual bool processMouseEvent( const makVrv::DtMouseEvent& ev, makVrv::DtChannel& channel);    
         virtual bool processKeyboardEvent( const makVrv::DtKeyEvent& ev, makVrv::DtChannel& channel) {return false;};   

         virtual void cleanupBox();

         static void setCurrentMousePosition(makVrv::DtDe&, int x, int y);
         static void setCurrentMousePosition(int x, int y);
         static void getCurrentMousePosition(int& x, int& y);

         virtual bool isActive() const;
         virtual void setIsActive(bool active);

         virtual void saveLastPoints();
         virtual void restoreLastPoints();

         boost::signal<void (const makVrv::DtIntersectorResult&, const makVrv::DtIntersectorResult&,
                             const makVrv::DtIntersectorResult&, const makVrv::DtIntersectorResult&)> signal_changedBoxPosition;

         boost::signal<void ()> signal_boxCreated;

         boost::signal<void (int x, int y)> signal_boxCreationStart;

      protected:
        
         virtual void createBox(int modelSet);

         virtual void setBoxFromExtents(makVrv::DtChannel& channel, int anchorX, int anchorY, int toX, int toY);

      protected:
         makVrv::DtDe&  myDe;
         makVrv::DtOverlayPolygonModelAgent* myBox;  
         static makVrv::DtUniqueID           theLineId;
         makVrv::DtSceneObjectAgent*         mySceneObjectAgent;
         bool                                myIsActive;
         int                                 myInitialMousePositionX;
         int                                 myInitialMousePositionY;
         static int                          theCurrentMousePositionX;
         static int                          theCurrentMousePositionY;
         static std::string                  theClassName;
         makVrv::DtIntersectorResult         myNW;
         makVrv::DtIntersectorResult         myNE;
         makVrv::DtIntersectorResult         mySE;
         makVrv::DtIntersectorResult         mySW;
         bool                                myBoxStarted;
         DtPoint                             myLastNW;
         DtPoint                             myLastNE;
         DtPoint                             myLastSE;
         DtPoint                             myLastSW;
      };
   }
}