qwt_sampling_thread.h

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/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/
 
#ifndef QWT_SAMPLING_THREAD_H
#define QWT_SAMPLING_THREAD_H
 
#include "qwt_global.h"
#include <qthread.h>
 
class QWT_EXPORT QwtSamplingThread : public QThread
{
    Q_OBJECT
 
  public:
    virtual ~QwtSamplingThread();
 
    double interval() const;
    double elapsed() const;
 
  public Q_SLOTS:
    void setInterval( double interval );
    void stop();
 
  protected:
    explicit QwtSamplingThread( QObject* parent = NULL );
 
    virtual void run() QWT_OVERRIDE;
 
    virtual void sample( double elapsed ) = 0;
 
  private:
    class PrivateData;
    PrivateData* m_data;
};
 
#endif