84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
#ifndef DPBARSCHART_H
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#define DPBARSCHART_H
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/*******************************************************************************
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** DataPanel-BarsChart
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** author dsc
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**
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** 柱状图展示面板，用来展示统计数据(如各类报警、事件的数量)
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** 采用QCustomPlot实现
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**
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** CustomBars
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** 自定义Bars，继承自QCPBars，可以展示实时数据等信息
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**
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******************************************************************************/
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#include "dpBaseChart.h"
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class CustomBars : public QCPBars
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{
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public:
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explicit CustomBars(QCPAxis* keyAxis, QCPAxis* valueAxis);
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Qt::Alignment textAlignment() { return m_textAlignment; }
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double spacing() { return m_spacing; }
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QFont font() { return m_font; }
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void setTextAlignment(Qt::Alignment);
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void setSpacing(double);
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void setFont(QFont);
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protected:
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virtual void draw(QCPPainter* painter) override;
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private:
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Qt::Alignment m_textAlignment; //文字对齐方式
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double m_spacing; //文字与柱状图之间的间距，单位为像素
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QFont m_font; //文字的字体
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};
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class dpBarsChart : public dpBaseChart
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{
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Q_OBJECT
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public:
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dpBarsChart(QWidget *parent = nullptr);
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~dpBarsChart();
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void setTimeRange(TimeUnit) override;
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void setDateTime(const QDateTime&) override;
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void viewHistoricalData(const QDateTime&) override;
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void synchronizeConfigData(const configurationResults&) override;
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public slots:
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void onSignal_dataUpdated(const QString& dataKey, const QVariant& data, const QDateTime& timestamp);
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private:
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struct Bars
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{
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QColor color;
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QString name;
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QString dataID;
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RealTimeDataType dataType;
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QVector<double> keys;
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QPointer<CustomBars> qBars;
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Bars()
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{
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name = "";
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dataID = "";
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}
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};
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void initQCP();
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QCustomPlot* m_pCustomPlot;
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ChartStyle m_chartStyle;
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//QCPBarsGroup* m_pBarsGroup;
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QHash<QString, Bars> m_bars;
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QHash<RealTimeDataType, QCPBarsGroup*> m_barsGroups;
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};
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#endif
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