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