Inventor/Win/viewers/SoWinWalkViewer.h

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



#ifndef  _SO_WIN_WALK_VIEWER_
#define  _SO_WIN_WALK_VIEWER_

#include <Inventor/Win/SoWinBeginStrict.h>

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

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

class   SoFieldSensor;

class  SoWinWalkViewer : public SoWinConstrainedViewer 
{
 public:
    
  SoWinWalkViewer( SoWidget parent = NULL,
                   const char* name = NULL, 
                   SbBool buildInsideParent = TRUE, 
                   SoWinFullViewer::BuildFlag flag = SoWinFullViewer::BUILD_ALL, 
                   SoWinViewer::Type type = SoWinViewer::BROWSER );
  ~SoWinWalkViewer();
    
  //
  // redefine these to add Walk viewer functionality
  //
  virtual void setViewing( SbBool onOrOff );
  virtual void setCamera( SoCamera* cam );
  virtual void setCursorEnabled( SbBool onOrOff );
    
  // This is redefined to prevent the camera type from being changed 
  virtual void setCameraType( SoType type );

  void setViewerSpeed( float speed ) { m_guiWalkViewer->setViewerSpeed( speed ); }

  float getViewerSpeed() const { return m_guiWalkViewer->getViewerSpeed(); }

  virtual void setSeekMode( SbBool onOrOff );

  private:

  SoGuiWalkViewer* getGuiWalkViewer() const;
    
 private:
  
  // This constructor takes a boolean whether to build the widget now.
  // Subclasses can pass FALSE, then call SoWinWalkViewer::buildWidget()
  // when they are ready for it to be built.
  SoEXTENDER SoWinWalkViewer( SoWidget parent,
                              const char* name, 
                              SbBool buildInsideParent, 
                              SoWinFullViewer::BuildFlag flag, 
                              SoWinViewer::Type type, 
                              SbBool buildNow );
            
  // 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 );
  virtual void dollyCamera( float dist );
    
  // redefine this to add the extra thumbwheel on the left side
  virtual SoWidget buildLeftTrim( SoWidget parent );
    
  // add viewer preference stuff
  virtual void createPrefSheet();
    
  // Define this to bring the viewer help card
  virtual void openViewerHelpCard();

  virtual void updateCursor();

 private:
  SoGuiWalkViewer* m_guiWalkViewer;

  // viewer state variables
  Cursor tiltCursor;

  // extra decoration vars
  int heightWheelVal;

  static void heightWheelCB( SoWinWalkViewer* p, XtPointer* d );
    
  void updateViewerMode( unsigned int state );
  void switchMode( int newMode );

  // 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_WALK_VIEWER_ */

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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