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_ */