48 lines
732 B
C
48 lines
732 B
C
|
#include <qwt_plot.h>
|
||
|
|
#include "cpustat.h"
|
||
|
|
|
||
|
|
#define HISTORY 60 // seconds
|
||
|
|
|
||
|
|
class QwtPlotCurve;
|
||
|
|
|
||
|
|
class CpuPlot : public QwtPlot
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
public:
|
||
|
|
enum CpuData
|
||
|
|
{
|
||
|
|
User,
|
||
|
|
System,
|
||
|
|
Total,
|
||
|
|
Idle,
|
||
|
|
|
||
|
|
NCpuData
|
||
|
|
};
|
||
|
|
|
||
|
|
CpuPlot( QWidget * = 0 );
|
||
|
|
const QwtPlotCurve *cpuCurve( int id ) const
|
||
|
|
{
|
||
|
|
return data[id].curve;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void timerEvent( QTimerEvent *e );
|
||
|
|
|
||
|
|
private Q_SLOTS:
|
||
|
|
void legendChecked( const QVariant &, bool on );
|
||
|
|
|
||
|
|
private:
|
||
|
|
void showCurve( QwtPlotItem *, bool on );
|
||
|
|
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
QwtPlotCurve *curve;
|
||
|
|
double data[HISTORY];
|
||
|
|
} data[NCpuData];
|
||
|
|
|
||
|
|
double timeData[HISTORY];
|
||
|
|
|
||
|
|
int dataCount;
|
||
|
|
CpuStat cpuStat;
|
||
|
|
};
|