78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
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#include "coalstatisticschartwidget.h"
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#include "ui_coalstatisticschartwidget.h"
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CoalStatisticsChartWidget::CoalStatisticsChartWidget(QWidget* parent)
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: QWidget(parent)
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, ui(new Ui::CoalStatisticsChartWidget)
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{
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ui->setupUi(this);
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initCoalStatisticsBarChart();
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}
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CoalStatisticsChartWidget::~CoalStatisticsChartWidget()
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{
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delete ui;
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}
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void CoalStatisticsChartWidget::initCoalStatisticsBarChart()
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{
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// 创建图表
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m_chart = new QChart();
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m_chart->setBackgroundBrush(Qt::transparent);
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m_chart->setMargins(QMargins(0, 0, 0, 0));
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// 创建图表视图并设置
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m_chartView = new QChartView(m_chart);
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m_chartView->setBackgroundBrush(Qt::transparent);
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m_chartView->setStyleSheet("background: transparent;");
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m_chartView->setRenderHint(QPainter::Antialiasing);
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m_chartView->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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// 创建柱状图
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m_series = new QBarSeries();
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m_chart->addSeries(m_series);
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// 设置X轴为时间
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QValueAxis* axisX = new QValueAxis;
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axisX->setRange(1, 300);
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axisX->setTickCount(10);
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axisX->setLabelFormat("%d");
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axisX->setLinePen(QPen(Qt::gray));
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axisX->setLabelsColor(Qt::gray);
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axisX->setMinorTickCount(0);
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m_chart->addAxis(axisX, Qt::AlignBottom);
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m_series->attachAxis(axisX);
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// 设置Y轴为百分比
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QValueAxis* axisY = new QValueAxis;
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axisY->setTitleText("吨");
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axisY->setTitleBrush(QBrush(Qt::gray));
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axisY->setLinePen(QPen(Qt::gray));
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axisY->setLabelsColor(Qt::gray);
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axisY->setRange(0, 100);
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m_chart->addAxis(axisY, Qt::AlignLeft);
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m_series->attachAxis(axisY);
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// 设置Y轴标题位置
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axisY->setTitleFont(QFont("Arial", 10));
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axisY->setTitleVisible(true);
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// 获取 widget_coalChart 的布局
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QVBoxLayout* layout = static_cast<QVBoxLayout*>(ui->widget_coalChart->layout());
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if (!layout) {
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// 如果没有布局，创建一个新的布局并设置
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layout = new QVBoxLayout(ui->widget_coalChart);
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ui->widget_coalChart->setLayout(layout);
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}
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// 设置布局参数
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(0);
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// 确保视图只添加一次
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if (!layout->indexOf(m_chartView) != -1) {
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layout->addWidget(m_chartView);
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}
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}
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