55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
/*****************************************************************************
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* Qwt Examples - Copyright (C) 2002 Uwe Rathmann
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* This file may be used under the terms of the 3-clause BSD License
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*****************************************************************************/
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#pragma once
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#include "CpuStat.h"
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#include <QwtPlot>
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#define HISTORY 60 // seconds
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class QwtPlotCurve;
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class CpuPlot : public QwtPlot
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{
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Q_OBJECT
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public:
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enum CpuData
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{
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User,
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System,
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Total,
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Idle,
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NCpuData
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};
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CpuPlot( QWidget* = 0 );
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const QwtPlotCurve* cpuCurve( int id ) const
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{
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return m_data[id].curve;
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}
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protected:
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void timerEvent( QTimerEvent* ) QWT_OVERRIDE;
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private Q_SLOTS:
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void legendChecked( const QVariant&, bool on );
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private:
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void showCurve( QwtPlotItem*, bool on );
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struct
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{
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QwtPlotCurve* curve;
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double data[HISTORY];
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} m_data[NCpuData];
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double m_timeData[HISTORY];
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int m_dataCount;
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CpuStat m_cpuStat;
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};
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