boundsSlider.h

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


#ifndef boundsSlider_H_
#define boundsSlider_H_

#include "lgrGui.h"
#include "dragComponent.h"
#include "multiBoxSlider.h"
#include "lgrZoomableWidget.h"

#include <list>

#include <QtGui/QMatrix>
#include <QtGui/QWidget>

namespace MAKLogger
{

   class DT_DLL_LGRGUI DtBoundsSlider : public DtLgrZoomableWidget, 
      public DtMultiBoxSlider, public DtDragComponent
   {
      Q_OBJECT

      Q_PROPERTY(float start READ start WRITE setStart)
         Q_PROPERTY(float end   READ end   WRITE setEnd)

   public:
      DtBoundsSlider(float start = 0.0f, float end = 0.0f, QWidget* p = 0);

      float start() const;
      float end()   const;

      inline bool leftSelected()  const;
      inline bool rightSelected() const;

      void setBarColors(QColor top,QColor bottom);

      virtual float minimumDistance() const;
      virtual void  setMinimumDistance(float);
      virtual void  saveMinimumDistance();
      virtual void  restoreMinimumDistance();

   public slots:

      void setStart(float startPosition);

      void setEnd(float endPosition);

      void setStartAndEnd(float startPosition,float endPosition);
      void setStartAndEndNoEmit(float,float);

      void setLeftSelection(bool);
      void setRightSelection(bool);

      void resetStart();
      void resetEnd();

   protected slots:

      void startBoxMoved(float startPosition);

      void endBoxMoved(float endPosition);

signals:
      void startAndEndChanged(float,float);
      void leftSelectionChanged(bool);
      void rightSelectionChanged(bool);

   protected:

      virtual void paintEvent( QPaintEvent* );
      virtual void mouseDoubleClickEvent(QMouseEvent* e);
      virtual void mouseReleaseEvent(QMouseEvent*);
      virtual void mouseMoveEvent( QMouseEvent* );
      virtual void mousePressEvent( QMouseEvent* );
      
      virtual void draw(QPainter& painter);

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

      float myStart;
      float myEnd;

      DtSliderBox* myLeftBox;
      DtSliderBox* myRightBox;

      QMatrix myDrawnMatrix;
      QColor myTopColor;
      QColor myBottomColor;
   };

}

#endif