Last change
on this file since 9742 was 9383, checked in by stoecker, 4 years ago |
update to qwt verion 6.1.1 to fix build with newer Qt5
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File size:
1.4 KB
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[9383] | 1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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| 2 | * Qwt Widget Library
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| 3 | * Copyright (C) 1997 Josef Wilgen
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| 4 | * Copyright (C) 2002 Uwe Rathmann
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the Qwt License, Version 1.0
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| 8 | *****************************************************************************/
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| 9 |
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[4271] | 10 | #ifndef _QWT_SAMPLING_THREAD_H_
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| 11 | #define _QWT_SAMPLING_THREAD_H_
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| 12 |
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| 13 | #include "qwt_global.h"
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| 14 | #include <qthread.h>
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| 15 |
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| 16 | /*!
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| 17 | \brief A thread collecting samples at regular intervals.
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| 18 |
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[8127] | 19 | Continuous signals are converted into a discrete signal by
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[4271] | 20 | collecting samples at regular intervals. A discrete signal
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| 21 | can be displayed by a QwtPlotSeriesItem on a QwtPlot widget.
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| 22 |
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[8127] | 23 | QwtSamplingThread starts a thread calling periodically sample(),
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[4271] | 24 | to collect and store ( or emit ) a single sample.
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| 25 |
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| 26 | \sa QwtPlotCurve, QwtPlotSeriesItem
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| 27 | */
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| 28 | class QWT_EXPORT QwtSamplingThread: public QThread
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| 29 | {
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| 30 | Q_OBJECT
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| 31 |
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| 32 | public:
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| 33 | virtual ~QwtSamplingThread();
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| 34 |
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| 35 | double interval() const;
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| 36 | double elapsed() const;
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| 37 |
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| 38 | public Q_SLOTS:
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| 39 | void setInterval( double interval );
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| 40 | void stop();
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| 41 |
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| 42 | protected:
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| 43 | explicit QwtSamplingThread( QObject *parent = NULL );
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| 44 |
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| 45 | virtual void run();
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| 46 |
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| 47 | /*!
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| 48 | Collect a sample
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| 49 |
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[8127] | 50 | \param elapsed Time since the thread was started in milliseconds
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[4271] | 51 | */
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| 52 | virtual void sample( double elapsed ) = 0;
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| 53 |
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| 54 | private:
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| 55 | class PrivateData;
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| 56 | PrivateData *d_data;
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| 57 | };
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| 58 |
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| 59 | #endif
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