Inventor/dialog/PoXtRealSliderData.h

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

#ifndef _PO_XT_REAL_SLIDER_DATA_H
#define _PO_XT_REAL_SLIDER_DATA_H

#include <Inventor/dialog/PoXtSliderData.h>
class SoDEPRECATED  PoXtRealSliderData : public PoXtSliderData
{

 public:

  PoXtRealSliderData(const char *label=NULL, 
                     float min=0, float max=1, float initVal=0, 
                     TriggerMode mode=MOUSE_ON_RELEASE_TRIGGER);

  virtual ~PoXtRealSliderData();

  void setValue(float value);

  float getValue() const;

  void setLimit(float min, float max);

  void getLimit(float & min, float & max) const;

  virtual TypeXtElement getType() const;

  virtual PoXtElementData * copy() const;

  /*----------------------------------------------------------------------------*/

#ifndef _WIN32
 private:
  virtual SoWidget buildWidget(SoWidget parent);
  virtual void handleTextFieldCallback(SoWidget w);

  // affect the internal data xtElement to current object
  // xtElement have to be PoXtRealSliderData
  virtual void updateValues(const PoXtElementData * xtElement);

  // Callback function for treat the redraw of numeric field when the slider 
  // thumb position changed.
  virtual void valueChangedCallback(PoXtSliderData * slider, 
                                    float * thumbPosition);
  // Callback for treat when the mouse button is released
  virtual void releaseCallback(PoXtSliderData * slider, 
                               float * thumbPosition);
  // Callback function for update the numeric field when the callback
  // have to raise on release mouse button
  virtual void updateNumericFieldCallback(PoXtSliderData * slider, 
                                          float * thumbPosition);

 private:
  PoXtRealSliderData(const PoXtRealSliderData & slider);
  // get the callback raise by slider to display the value of Text widget
  // Here draw the float value.
  virtual void drawTextField(SoWidget textWidget);

 private:
  float _valueMax, _valueMin;
  float _value;
#else
 private:
  virtual void buildWidget (SoWidget parent, int verticalOffset);

  virtual void updateValues (const PoXtElementData *);  
  
 private:
  PoXtRealSliderData (const PoXtRealSliderData &);
  
  // Method called by the callback to update the edit SoWidget
  virtual void updateNumericField (float value);  
  virtual void changeSliderValue ();
  virtual void invokeCallbacks ();
  
 private:
  void initSliderValue ();
  void drawText ();

  float _valueMax, _valueMin;
  float _value, _oldValue;
#endif
};

#endif //_PO_XT_REAL_SLIDER_DATA_H

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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