Inventor/Qt/viewers/SoQtFlyViewer.h

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/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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 ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
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**=======================================================================*/
/*=======================================================================
** Author      : Alain Dumesny (MMM yyyy)
**=======================================================================*/


#ifndef  _SO_QT_FLY_VIEWER_
#define  _SO_QT_FLY_VIEWER_
#include <Inventor/Qt/OivQtCompat.h>
#include <Inventor/Qt/viewers/SoQtConstrainedViewer.h>
#include <Inventor/SbLinear.h>
#include <Inventor/SbTime.h>

#include <Inventor/Gui/viewers/SoGuiFlyViewer.h>

class   SoFieldSensor;

class  SoQtFlyViewer : public SoQtConstrainedViewer 
{

  Q_OBJECT

    public:
    
  SoQtFlyViewer( QWidget* parent = NULL,
                 const char* name = NULL, 
                 SbBool buildInsideParent = TRUE, 
                 SoQtFullViewer::BuildFlag flag = SoQtFullViewer::BUILD_ALL,
                 SoQtViewer::Type type = SoQtViewer::BROWSER );
  ~SoQtFlyViewer();
    
  // redefine these to add fly viewer functionality
  virtual void setViewing( SbBool onOrOff );
  virtual void resetToHomePosition();
  virtual void setCamera( SoCamera* cam );
  virtual void setCursorEnabled( SbBool onOrOff );
  virtual void setSeekMode( SbBool onOrOff );
    
  // This is redefined to prevent the camera type from being changed 
  virtual void setCameraType( SoType type );

  void  setMinSpeed( float speed );

  float getMinSpeed();

  void  setSpeedMultiplier( float speedInc );

  float getSpeedMultiplier();
    
  // This constructor takes a boolean whether to build the widget now.
  // Subclasses can pass FALSE, then call SoQtFlyViewer::buildWidget()
  // when they are ready for it to be built.
  private:

  SoQtFlyViewer( QWidget* parent,
    const char* name, 
    SbBool buildInsideParent, 
    SoQtFullViewer::BuildFlag flag, 
    SoQtViewer::Type type, 
    SbBool buildNow,
    SbBool sync = true );

  private:

  SoGuiFlyViewer* getGuiFlyViewer() const;

private:

  // redefine these
  virtual SbString getDefaultWidgetName() const;
  virtual SbString getDefaultTitle() const;
  virtual SbString getDefaultIconTitle() const;

  // redefine those routines to do viewer specific stuff
  virtual void processEvent( QEvent* anyevent );
  virtual void actualRedraw();
  virtual void rightWheelMotion( float newVal);
  virtual void mouseWheelMotion( float newVal );

  // add viewer preference stuff
  virtual void createPrefSheet();

  // Define this to bring the viewer help card
  virtual void openViewerHelpCard();

private:

  SoGuiFlyViewer* m_guiFlyViewer;

  // viewer state variables
  SbRotation camStartOrientation;

  void        switchMode( int newMode );
  void        changeMaxStraightSpeed( SbBool increase );

  // this is called by both constructors
  void constructorCommon( SbBool buildNow );
};

#endif  /* _SO_QT_FLY_VIEWER_ */

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