HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/xychart/xychartitem_p.h

First version of legend. Simple markers and serie names. Using drilldown as example for now.

Michal Klocek - - Load All Authors

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             xychartitem_p.h
        
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      #ifndef XYCHARTITEM_H

      #define XYCHARTITEM_H

      #include "qchartglobal.h"

      #include "chartitem_p.h"

      #include <QPen>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class ChartPresenter;

      class QXYSeries;

      class XYChartItem :  public QObject , public ChartItem

      {

           Q_OBJECT

      public:

           explicit XYChartItem(QXYSeries* series,QGraphicsItem *parent = 0);

          ~ XYChartItem(){};

          QVector<QPointF> points() const {return m_points;}

          QRectF clipRect() const { return m_clipRect;}

      public slots:

          void handlePointAdded(int index);

          void handlePointRemoved(int index);

          void handlePointReplaced(int index);

          void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);

          void handleGeometryChanged(const QRectF& size);

      protected:

          virtual void updatePoints(QVector<QPointF>& points);

          virtual void updatePoint(QVector<QPointF>& points);

          virtual void setGeometry(QVector<QPointF>& points);

          QPointF calculateGeometryPoint(const QPointF& point) const;

          QPointF calculateGeometryPoint(int index) const;

          QVector<QPointF> calculateGeometryPoints() const;

      private:

          inline bool isEmpty();

      private:

          qreal m_minX;

          qreal m_maxX;

          qreal m_minY;

          qreal m_maxY;

          QXYSeries* m_series;

          QSizeF m_size;

          QRectF m_clipRect;

          QVector<QPointF> m_points;

          template<class,class> friend class XYChartAnimator;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif

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				#ifndef XYCHARTITEM_H
				#define XYCHARTITEM_H

				#include "qchartglobal.h"
				#include "chartitem_p.h"
				#include <QPen>

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				class ChartPresenter;
				class QXYSeries;

				class XYChartItem : public QObject , public ChartItem
				{
				Q_OBJECT
				public:
				explicit XYChartItem(QXYSeries* series,QGraphicsItem *parent = 0);
				~ XYChartItem(){};

				QVector<QPointF> points() const {return m_points;}
				QRectF clipRect() const { return m_clipRect;}

				public slots:
				void handlePointAdded(int index);
				void handlePointRemoved(int index);
				void handlePointReplaced(int index);
				void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
				void handleGeometryChanged(const QRectF& size);

				protected:
				virtual void updatePoints(QVector<QPointF>& points);
				virtual void updatePoint(QVector<QPointF>& points);
				virtual void setGeometry(QVector<QPointF>& points);

				QPointF calculateGeometryPoint(const QPointF& point) const;
				QPointF calculateGeometryPoint(int index) const;
				QVector<QPointF> calculateGeometryPoints() const;

				private:
				inline bool isEmpty();

				private:
				qreal m_minX;
				qreal m_maxX;
				qreal m_minY;
				qreal m_maxY;
				QXYSeries* m_series;
				QSizeF m_size;
				QRectF m_clipRect;
				QVector<QPointF> m_points;

				template<class,class> friend class XYChartAnimator;

				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif