qt-everywhere-src-5.15.1/qtcharts/examples/charts/dynamicspline/chart.h

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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the Qt Charts module of the Qt Toolkit.
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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

//![1]
class Chart: public QChart
{
    Q_OBJECT
public:
    Chart(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = {});
    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;
};
//![1]

#endif /* CHART_H */