renderwindowinteractor.h

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#ifndef RenderWindowInteractor_h
#define RenderWindowInteractor_h

//
// $Id: renderwindowinteractor.h,v 1.2 2000/09/14 13:25:43 jstifter Exp $
//

#include "renderwindow.h"

#include <qtimer.h>

#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkLight.h"
#include "vtkCellPicker.h"

class RenderWindowInteractor : public RenderWindow
{
   Q_OBJECT

public:

   RenderWindowInteractor( QWidget *parent = 0, const char *name = 0 );
   RenderWindowInteractor( QGLFormat glf, QWidget *parent = 0, const char *name = 0 );

   ~RenderWindowInteractor();

   void SetLeftButtonFunction( const char* function );
   void SetMiddleButtonFunction( const char* function );
   void SetRightButtonFunction( const char* function );
   void SetShiftLeftButtonFunction( const char* function );

   void SetInteractionActor( vtkActor* actor );
   void SetActorRotation( float x, float y, float z );
   void SetPlane(float *ebene);
   void SetInteractionTime( int time );
   void SetSensitivity( float t );

   int GetInteractionTime( void );
   vtkActor *GetInteractionActor( void );
   float GetSensitivity();
   const char *GetClassName();


signals:
   void ActorRotated( float xf, float yf );

   void ActorRolled( float angle );

   void Released( int x, int y );

protected:
   void mousePressEvent( QMouseEvent *event );

   void mouseReleaseEvent( QMouseEvent *event );
   void mouseMoveEvent( QMouseEvent *event );

protected slots:

   void ActorRotate();
   void ActorTranslate();
   void ActorZoom();
   void ActorRoll();
   void ActorPlaneRoll();
   void ActorPlaneMove();
   
   void CameraRotate();
   void CameraTranslate();
   void CameraZoom();
   void CameraRoll();
   
   void DoNothing();


private:
   void RenderWindowInteractor::DisplayToWorld( float x, float y, float z,
                                                float *worldPoint );

   void RenderWindowInteractor::WorldToDisplay( float x, float y, float z,
                                                float *displayPoint );

   void InitRenderWindowInteractor();

   vtkCellPicker *cellpicker;

   vtkCamera   *currentCamera;
   vtkActor    *interactionActor;
   vtkActor    *collisionActor;
   vtkLight    *currentLight;

   float viewUp[3];
   float vpNormal[3];
   float rotateY[3];
   float renCenter[3];
   float viewFocus[3];
   float camPos[3];
   float deltaElevation;
   float deltaAzimuth;
   float normale[3];
   float ebenekonstante;

   QTimer   *stepTimer;
   bool     mouseEventActive;
   bool     firstCall;
   float    trackballFactor;
   float    cameraRotation[3];
   int      interactionTime;
   int      currentMousePos[2];
   int      lastMousePos[2];

   char leftButtonFunction[200];
   char middleButtonFunction[200];
   char rightButtonFunction[200];
   char shiftLeftButtonFunction[200];
};

#endif  // RenderWindowInteractor_h

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