chart.h Example File

dynamicspline/chart.h
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 #ifndef CHART_H
 #define CHART_H

 #include <QtCharts/QChart>
 #include <QtCore/QTimer>

 QT_CHARTS_BEGIN_NAMESPACE
 class QSplineSeries;
 class QValueAxis;
 QT_CHARTS_END_NAMESPACE

 QT_CHARTS_USE_NAMESPACE

 class Chart: public QChart
 {
     Q_OBJECT
 public:
     Chart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
     virtual ~Chart();

 public slots:
     void handleTimeout();

 private:
     QTimer m_timer;
     QSplineSeries *m_series;
     QStringList m_titles;
     QValueAxis *m_axisX;
     QValueAxis *m_axisY;
     qreal m_step;
     qreal m_x;
     qreal m_y;
 };

 #endif /* CHART_H */