#include <QWidget>
#include <QtGui>
#include <QGraphicsView>

enum ModeEnum{SELECTION = 0, ZOOM_BOX, QUERY};
class MyGraphicsView : public QGraphicsView
{
   Q_OBJECT

public:

   MyGraphicsView(QWidget* iQWidget = 0);

   ~MyGraphicsView();

   void wheelEvent(QWheelEvent *event);
   void resizeEvent(QResizeEvent *event);
   void mouseMoveEvent(QMouseEvent * event);
   void mouseDoubleClickEvent(QMouseEvent *event);
   void mousePressEvent(QMouseEvent *);
   void mouseReleaseEvent(QMouseEvent *);

   ModeEnum getMode() { return Mode; };
   void vSetMode(ModeEnum a_Mode);
   void scaleView(qreal scaleFactor);

   QGraphicsScene *Scene;
   QGraphicsRectItem* ZoomBox;
   QGraphicsPixmapItem* PixmapItem;
   bool Panning;
   ModeEnum Mode;
   ModeEnum TempMode;

   int ZoomX;
   int ZoomY;
   double MaxZoomFactor;

   QGraphicsRectItem *ControlPanelBackground;
   QGraphicsProxyWidget *FrameGraphics;
   QPushButton *ButtonSelect;
   QPushButton *ButtonZoom;
   QPushButton *ButtonFitToView;
   QButtonGroup *ModeButtonGroup;

   public slots:
      void vModeSelected();
      void vFullExtents();
      void vStartHiddenMode();

signals:
      void vOnModeChanged(ModeEnum a_Mode);
};