chart.h Example File

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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 */