58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#ifndef BANDWIDTH_CHART_DATA_H
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#define BANDWIDTH_CHART_DATA_H
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#include <QtCore/QObject>
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#include <QtCharts/QAbstractSeries>
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/**
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* A helper class for dealing with QML charts. Maintains a dataset of recent
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* bandwidth utilization samples and provides a means to update a data series
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* efficiently (I hope).
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*/
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class BandwidthChartData : public QObject
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{
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Q_OBJECT
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public:
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explicit BandwidthChartData(QObject *parent = nullptr);
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/**
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* Update the dataset with a new upload utilization sample
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*/
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Q_INVOKABLE void addUploadSample(qreal sample);
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/**
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* Update the dataset with a new download utilization sample
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*/
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Q_INVOKABLE void addDownloadSample(qreal sample);
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/**
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* Update the provided series with our chart data
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*/
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Q_INVOKABLE void updateUploadSeries(QtCharts::QAbstractSeries *series);
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Q_INVOKABLE void updateDownloadSeries(QtCharts::QAbstractSeries *series);
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/**
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* Get the highest samples currently being tracked
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*/
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Q_INVOKABLE int getHighestUploadSample();
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Q_INVOKABLE int getHighestDownloadSample();
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/**
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* Get the greater of the highest upload or highest download samples
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*/
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Q_INVOKABLE int getHighestSample();
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private:
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uint64_t m_numSamples;
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QVector<QPointF> m_uploadSamples;
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QVector<QPointF> m_downloadSamples;
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int64_t m_highestUploadSample = 0;
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int64_t m_highestDownloadSample = 0;
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};
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#endif // BANDWIDTH_CHART_DATA_H
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