locationPickerMapDialog.h

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/*****************************************************************************
 * Copyright (c) 2016 VT MAK
 * All rights reserved.
 ****************************************************************************/


#pragma once

#include <widgets/dllExport.h>
#include <QDialog>

class DtString;

class QLabel;
class QTextEdit;

namespace MAKVrExchange
{

   class DT_DLL_WIDGETS DtLocationPickerMapDialog : public QDialog
   {  Q_OBJECT;
   public:

      DtLocationPickerMapDialog( QWidget* parent = 0 );

      virtual ~DtLocationPickerMapDialog();

      virtual void initialize();

      virtual void setLocation( double lat, double lon, double radius );

      virtual void location( double& lat, double& lon, double& radius );

   protected:

      virtual void setupGui();

      virtual void connectToSignals();

      virtual void initializeMap( const DtString& mapFile );

      virtual bool eventFilter( QObject* obj, QEvent* event );

      virtual void refreshMap();

   protected:

      // Static storage for the earth's radius (used for curvature calculations).
      static const double theEarthRadius;


      int myMapDisplayHeight;
      int myWorldCornerX;
      int myWorldCornerY;



      double myZoomDelta;
      double myMinZoomLevel;
      double myMaxZoomLevel;
      double myCurrentZoomLevel;



      int myMouseX;
      int myMouseY;
      bool myMapPanningFlag;
      bool myRadiusSizingFlag;



      double myWorldX;
      double myWorldY;
      double myRadius;
      double myLocalRadius;


      QLabel* myMapLabel;
      QPixmap* myMapPixmap;
      QPixmap* myVisibleMapArea;

      QPushButton* myOkButton;
      QPushButton* myCancelButton;

   };

}