widget.h Example File

nesteddonuts/widget.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
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  #ifndef WIDGET_H
  #define WIDGET_H

  #include <QtWidgets/QWidget>
  #include <QtCharts/QPieSeries>

  class QTimer;

  QT_CHARTS_USE_NAMESPACE

  class Widget : public QWidget
  {
      Q_OBJECT

  public:
      Widget(QWidget *parent = 0);
      ~Widget();

  public slots:
      void updateRotation();
      void explodeSlice(bool exploded);

  private:
      QList<QPieSeries *> m_donuts;
      QTimer *updateTimer;
  };

  #endif // WIDGET_H