51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#ifndef COALDISTRIBUTBARCHARTWIDGET_H
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#define COALDISTRIBUTBARCHARTWIDGET_H
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#include <QDateTime>
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#include <QObject>
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#include <QTimer>
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#include <QWidget>
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#include <QDateTimeAxis>
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#include <QtCharts/QBarSeries>
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#include <QtCharts/QBarSet>
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#include <QtCharts/QCategoryAxis>
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#include <QtCharts/QChartView>
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#include <QtCharts/QValueAxis>
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QT_CHARTS_USE_NAMESPACE
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class CoalDistributBarChartWidget : public QWidget {
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Q_OBJECT
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public:
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explicit CoalDistributBarChartWidget(QWidget* parent = nullptr);
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private slots:
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void updateChart();
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private:
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void initializeChart();
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void setupTimer();
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private:
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QChart* m_chart;
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QChartView* m_chartView;
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QBarSeries* m_series;
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QTimer* m_timer;
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QDateTimeAxis* m_axisX;
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int currentIndex; // 当前更新的柱子的索引
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static const int MaxDataPoints = 300; // 最大数据点数（5分钟，每秒1条）
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QBarSet* m_set;
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// QList<QString> m_timeLabels;
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QList<QDateTime> m_timeLabels; // 存储时间标签
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QList<double> m_values; // 存储比例值
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// QList<QDateTime> timestamps; // 存储时间戳
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};
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#endif // COALDISTRIBUTBARCHARTWIDGET_H
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