sliderBox.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef sliderBox_H_
#define sliderBox_H_

#include "lgrGui.h"

#include <QtCore/QObject>
#include <vlutil/vlSmartPointers.h>

class QRectF;

namespace MAKLogger
{

   class DtSliderBar;
   typedef DtBoost::shared_ptr<DtSliderBar> DtSliderBarSP;
   typedef DtBoost::weak_ptr<DtSliderBar> DtSliderBarWP;

   class DT_DLL_LGRGUI DtSliderBox : public QObject
   {
      Q_OBJECT

   public:

      enum BoxOrientation
      {
         Left,
         Center,
         Right
      };

      DtSliderBox(DtSliderBar* bar,float position,float width,float height);

      virtual ~DtSliderBox();

      QRectF bounds(QRectF viewport) const;

      bool   leftBox() const;
      bool   rightBox() const;

      float  position() const { return myPosition;}
      float  savedPosition() const { return mySavedPosition;}
      float  width() const { return myWidth;   }
      float  height() const { return myHeight;  }

      inline bool selected() const { return mySelected; }
      inline bool pressed() const { return myPressed;}
      DtSliderBar* bar() { return myBar; }
      const DtSliderBar* bar() const { return myBar; }
      BoxOrientation orientation() const { return myOrientation; }

      void  savePosition();
      void  setRelativePosition( float relPosition);
      void  restorePosition();


      //float canMove(float position);
      //float canMoveRelative(float dx);

   public slots:

      void  setPosition( float position);
      void  setWidth( float width);
      void  setHeight( float height);
      void  setSelected( bool selected);
      void  setPressed( bool selected);
      void  setOrientation( BoxOrientation);
      void  setPositionNoEmit(float position);

signals:
      void  positionChanged(float);
      void  widthChanged(float);
      void  heightChanged(float);
      void  selectedChanged(bool);
      void  pressedChanged(bool);
      void  orientationChanged(BoxOrientation);
   protected:

      float myPosition;
      float mySavedPosition;
      float myWidth;
      float myHeight;
      //PointF myLimits;
      bool mySelected;
      bool myPressed;
      DtSliderBar* myBar;
      BoxOrientation myOrientation;

   };



}

#endif