#ifndef __CPEXTENSIONS__VISUALIZATION__BASEINTERACTORSTYLE__H__
#define __CPEXTENSIONS__VISUALIZATION__BASEINTERACTORSTYLE__H__

#include <cpExtensions/cpExtensions_Export.h>

#include <vtkInteractorStyle.h>

namespace cpExtensions
{
  namespace Visualization
  {
    /**
     */
    class cpExtensions_EXPORT BaseInteractorStyle
      : public vtkInteractorStyle
    {
    public:
      typedef BaseInteractorStyle Self;
      vtkTypeMacro( BaseInteractorStyle, vtkInteractorStyle );

      enum ButtonID
      {
        ButtonID_None   = 0x00,
        ButtonID_Left   = 0x01,
        ButtonID_Middle = 0x02,
        ButtonID_Right  = 0x03
      };

    public:
      static Self* New( );

      void DelegateTDxEvent( unsigned long event, void* calldata );

      // Possible mouse motion events
      virtual void OnMouseMove( ) { }
      virtual void OnMouseWheelForward( ) { }
      virtual void OnMouseWheelBackward( ) { }

      // Possible mouse click-related events
      virtual void OnLeftButtonDown( ) { }
      virtual void OnLeftButtonUp( ) { }
      virtual void OnLeftClick( ) { }
      virtual void OnLeftDoubleClick( ) { }
      virtual void OnMiddleButtonDown( ) { }
      virtual void OnMiddleButtonUp( ) { }
      virtual void OnMiddleClick( ) { }
      virtual void OnMiddleDoubleClick( ) { }
      virtual void OnRightButtonDown( ) { }
      virtual void OnRightButtonUp( ) { }
      virtual void OnRightClick( ) { }
      virtual void OnRightDoubleClick( ) { }

      // Keyboard-related events
      virtual void OnChar( ) { }
      virtual void OnKeyDown( ) { }
      virtual void OnKeyUp( ) { }
      virtual void OnKeyPress( ) { }
      virtual void OnKeyRelease( ) { }

      // Other events
      virtual void OnExpose( ) { }
      virtual void OnConfigure( ) { }
      virtual void OnEnter( ) { }
      virtual void OnLeave( ) { }

      // Unused methods
      inline void StartState( int newstate ) { }
      inline void StopState( ) { }
      inline void StartAnimate( ) { }
      inline void StopAnimate( ) { }
      inline void StartRotate( ) { }
      inline void EndRotate( ) { }
      inline void StartZoom( ) { }
      inline void EndZoom( ) { }
      inline void StartPan( ) { }
      inline void EndPan( ) { }
      inline void StartSpin( ) { }
      inline void EndSpin( ) { }
      inline void StartDolly( ) { }
      inline void EndDolly( ) { }
      inline void StartUniformScale( ) { }
      inline void EndUniformScale( ) { }
      inline void StartTimer( ) { }
      inline void EndTimer( ) { }
      inline void StartTwoPointer( ) { }
      inline void EndTwoPointer( ) { }
      inline void OnTimer( ) { }

    protected:
      BaseInteractorStyle( );
      virtual ~BaseInteractorStyle( );

      static void _ProcessEvents(
        vtkObject* object,
        unsigned long event,
        void* clientdata,
        void* calldata
        );

    private:
      // Purposely not implemented
      BaseInteractorStyle( const Self& );
      Self& operator=( const Self& );

    protected:
      static const long MAX_DOUBLE_CLICK;
      ButtonID LastButton;
      long LastButtonUp;
      long LastButtonHeld;
      long LastButtonDown;
    };

  } // ecapseman

} // ecapseman

#endif // __CPEXTENSIONS__VISUALIZATION__BASEINTERACTORSTYLE__H__

// eof - $RCSfile$