zq_scrollbar.hpp

/* zq_scrollbar.hpp */
/* $Id: zq_scrollbar.hpp 20080 2009-12-15 15:57:52Z vlad $ */
#ifndef __zq_scrollbar_hpp
#define __zq_scrollbar_hpp

#include <qscrollbar.h>

#include "zq_object.hpp"
#include "zqb_natgroup.hpp"


class QzqSbSensor;


class ZqScrollBar : public ZqObject, public ZqbNatGrpMember
{
public:

  ZqScrollBar (ZqbNatGroup& rNatAxis, Qt::Orientation eOrient,
           const char* szName = NULL);

  ZqScrollBar (ZqbNatGroup& rNatAxis, Qt::Orientation eOrient,
           ZqbPlaceholder* pPh, const char* szName = NULL);

  virtual ~ZqScrollBar ();


  /*
   *  Drawing methods
   */

  virtual void      redraw (QPainter& paint);

  virtual void      setDrawable (bool bFlag);


  /*
   *  Position and size properties
   */

  virtual void      updateGeometry ();


  /*
   *  Placement management
   */

  virtual bool      attachToPlace (ZqbPlaceholder* pPh);

  virtual bool      detachFromPlace ();


  /*
   *  Coordinates change processing
   */

  virtual void      onSetCoords ();

  virtual void      valueChanged (int iNewValue);

protected:

  void          calcValueAndPageStep (int& iValue, int& iPageStep);

  void          createScrollBar ();

  QScrollBar        *m_pqScrollbar;

  Qt::Orientation   m_eOrient;

  QzqSbSensor       *m_pqSbSensor;

  bool          m_bSelfProcess;

private:

  static int        s_iNameCounter;

};


#endif /* zq_scrollbar.hpp */