datasource.h Example File

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  #ifndef DATASOURCE_H
  #define DATASOURCE_H

  #include <QtCore/QObject>
  #include <QtCharts/QAbstractSeries>

  class QQuickView;

  QT_CHARTS_USE_NAMESPACE

  class DataSource : public QObject
  {
      Q_OBJECT
  public:
      explicit DataSource(QQuickView *appViewer, QObject *parent = 0);

  Q_SIGNALS:

  public slots:
      void generateData(int type, int rowCount, int colCount);
      void update(QAbstractSeries *series);

  private:
      QQuickView *m_appViewer;
      QList<QVector<QPointF> > m_data;
      int m_index;
  };

  #endif // DATASOURCE_H