timeBarZoomControl.h

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


#ifndef timeBarZoomControl_H_
#define timeBarZoomControl_H_

#include <lgrGui/lgrGui.h>

#include <lgrGui/rangeSlider.h>
#include <lgrGui/boundsSlider.h>

#include <lgrUtil/absoluteTime.h>

namespace MAKLogger
{

   class DtTimeComponent;

   class DT_DLL_LGRGUI DtTimeBarZoomSlider : public DtBoundsSlider
   {
     
   public:
      DtTimeBarZoomSlider(DtTimeComponent* timeComponent,
         float start, float end,
         QWidget* parent);

      virtual ~DtTimeBarZoomSlider();

   protected:

      virtual void draw( );

      virtual void drawBar(QPainter& painter,DtSliderBar* bar) const;

   protected:
      DtTimeComponent* myTimeComponent;

   };

   class DT_DLL_LGRGUI DtTimeBarZoomControl : public DtRangeWidget 
   {
      Q_OBJECT
   public:
  
      DtTimeBarZoomControl(DtTimeComponent* timeComponent,
         QWidget* parent);

      virtual ~DtTimeBarZoomControl();  
   private:
      DtTimeBarZoomControl(const DtTimeBarZoomControl&);
      DtTimeBarZoomControl& operator=(const DtTimeBarZoomControl&);
   public:

      const DtTimeBarZoomSlider* zoomSlider() const;

      virtual void getExtents(DtAbsoluteTime& start,DtAbsoluteTime& end);

   public slots:

      virtual void setExtents(DtAbsoluteTime start,DtAbsoluteTime end);      

   signals:
      //void extentsChanged(DtAbsoluteTime,DtAbsoluteTime);
      void zoomChanged(float,float);

   protected slots:
      void emitZoom(float start,float end);

   protected:
      DtTimeComponent* myTimeComponent;
   };

}

#endif