Inventor/Win/viewers/SoWinFlyViewer.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/



#ifndef  _SO_WIN_FLY_VIEWER_
#define  _SO_WIN_FLY_VIEWER_

#include <Inventor/Win/SoWinBeginStrict.h>

#include <Inventor/Win/viewers/SoWinConstrainedViewer.h>
#include <Inventor/SbLinear.h>
#include <Inventor/SbTime.h>

#include <Inventor/Gui/viewers/SoGuiFlyViewer.h>
class   SoFieldSensor;

class  SoWinFlyViewer : public SoWinConstrainedViewer 
{
 public:
    
  SoWinFlyViewer( SoWidget parent = NULL,
                  const char* name = NULL, 
                  SbBool buildInsideParent = TRUE, 
                  SoWinFullViewer::BuildFlag flag = SoWinFullViewer::BUILD_ALL,
                  SoWinViewer::Type type = SoWinViewer::BROWSER );
  ~SoWinFlyViewer();
    
  //
  // 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 );

  // set/get minimum speed in word coodinate / second
  // default value is 0, meaning the minimum speed is computed according to scene graph extent
  void  setMinSpeed( float speed );
  float getMinSpeed();

  // set/get speed multiplier. default value is 1.5
  void  setSpeedMultiplier( float speedInc );
  float getSpeedMultiplier();

  private:

  SoGuiFlyViewer* getGuiFlyViewer() const;
    
 private:
  
  // This constructor takes a boolean whether to build the widget now.
  // Subclasses can pass FALSE, then call SoWinFlyViewer::buildWidget()
  // when they are ready for it to be built.
  SoEXTENDER SoWinFlyViewer( SoWidget parent,
                             const char* name, 
                             SbBool buildInsideParent, 
                             SoWinFullViewer::BuildFlag flag, 
                             SoWinViewer::Type type, 
                             SbBool buildNow,
                             SbBool sync = TRUE );
            
  // 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( XAnyEvent* 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 );

  // Utility function called from processEvent
  void processPopupItem( int item );
};

#include <Inventor/Win/SoWinEndStrict.h>

#endif  /* _SO_WIN_FLY_VIEWER_ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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