chart.h Example File

dynamicspline/chart.h

  /******************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the Qt Charts module.
  **
  ** $QT_BEGIN_LICENSE:COMM$
  **
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see http://www.qt.io/terms-conditions. For further
  ** information use the contact form at http://www.qt.io/contact-us.
  **
  ** $QT_END_LICENSE$
  **
  ******************************************************************************/

  #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_axis;
      qreal m_step;
      qreal m_x;
      qreal m_y;
  };

  #endif /* CHART_H */