48 lines
732 B
C++
48 lines
732 B
C++
#include <qwt_plot.h>
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#include "cpustat.h"
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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 data[id].curve;
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}
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protected:
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void timerEvent( QTimerEvent *e );
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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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} data[NCpuData];
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double timeData[HISTORY];
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int dataCount;
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CpuStat cpuStat;
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};
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