DtWindDirectionDialWidget.h

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/*******************************************************************************
 * Copyright (c) 2013 MAK Technologies, Inc.
 * All rights reserved.
 ******************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>

#include <QtGui/QDial>

class QPaintEvent;
class QPainter;
class QRectF;
class QResizeEvent;


namespace makVrv
{

   class DT_DLL_VRVCOREQT DtWindDirectionDialWidget : public QDial
   {
      Q_OBJECT

   public:
      typedef enum
      {
         TICKS,
         ROSE
      } BackGroundType;

      typedef enum
      {
         ARROW,
         FULLARROW,
         LINE
      } NeedleType;

      DtWindDirectionDialWidget(QWidget* parent = NULL);

      virtual ~DtWindDirectionDialWidget();

      virtual void setBackGround(BackGroundType type);

      virtual BackGroundType backGround() const;

      virtual void setNeedle(NeedleType type);

      virtual NeedleType needle() const;

      int direction() const;

      double directionF() const;

   signals:
      void directionChanged(int);

      void directionChanged(double);

   public slots:
      void setDirection(int degrees);

      void setDirection(double degrees);

   protected slots:
      void onValueChanged(int val);

   protected:
      virtual void paintEvent(QPaintEvent* event);

      virtual void resizeEvent(QResizeEvent* event);

      virtual void drawCompass(QPainter& painter, QRectF& rect);

      virtual void drawCompassTick(QPainter& painter);

      virtual void drawHeadingNorth(QPainter& painter);

      virtual void drawDirection(QPainter& painter, QRectF& rect);

      virtual void drawNeedle(QPainter& painter);

   private:
      int convert(int val) const;

   protected:
      BackGroundType myBackGroundType;
      NeedleType myNeedleType;
      double myRemainder;
   };

}