150 lines
5.3 KiB
Python
150 lines
5.3 KiB
Python
from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QFrame, QLabel, QHBoxLayout, QVBoxLayout, QWidget
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import pyqtgraph as pg
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class BoPlotGraph(QWidget): # 继承自 QWidget，减少一层嵌套
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def __init__(self) -> None:
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super().__init__()
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self.setWindowTitle("血氧监测")
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# 初始化各个组件
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self.title_widget = self._init_title_widget()
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self.icon_widget = self._init_icon_widget()
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self.value_label = self._init_value_label()
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self.min_label = self._init_min_label()
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# 设置标题布局
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self.title_layout = QHBoxLayout()
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self.title_layout.addWidget(self.icon_widget, 10) # 占据 10% 的屏幕宽度
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self.title_layout.addWidget(self.title_widget, 90) # 占据 90% 的屏幕宽度
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# 设置血氧值布局
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self.values_title_layout = QVBoxLayout()
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self.values_title_layout.addWidget(self.value_label, 50) # 占据 50% 的垂直空间
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self.values_title_layout.addWidget(self.min_label, 50) # 占据 50% 的垂直空间
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# 初始化绘图组件
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self.plot_widget_bo, self.plot_item_bo = self._init_plot_widget()
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self.plot_layout = QHBoxLayout()
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self.plot_layout.addWidget(self.plot_widget_bo)
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# 设置显示布局
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self.display_layout = QHBoxLayout()
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self.display_layout.addLayout(self.values_title_layout, 40) # 占据 40% 的水平空间
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self.display_layout.addLayout(self.plot_layout, 60) # 占据 60% 的水平空间
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# 主布局
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main_layout = QVBoxLayout()
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main_layout.addLayout(self.title_layout, 20) # 占据 20% 的垂直空间
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main_layout.addLayout(self.display_layout, 80) # 占据 80% 的垂直空间
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self.setLayout(main_layout)
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self.setStyleSheet(
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"background-color: #ffffff;"
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"border:1px solid #bbbbbb;"
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"border-radius:4px;"
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"margin-right: 20px;"
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"margin-top:0px"
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)
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def set_data(self, data, min_data):
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"""
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设置血氧数据和最小血氧值
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:param data: 血氧数据列表
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:param min_data: 最小血氧值
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"""
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self.plot_item_bo.setData(data) # 更新绘图数据
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self.min_label.setText(f"最小血氧：{min_data}%") # 更新最小血氧显示
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if data:
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self.value_label.setText(f'当前血氧：{data[-1]}%') # 更新当前血氧显示
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@staticmethod
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def _init_icon_widget():
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"""
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初始化图标组件
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:return: 图标 QLabel 对象
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"""
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img = QLabel()
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img.setStyleSheet(
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"border-image: url(assets/bloodO2.png);"
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"background-size: contain;"
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"background-repeat: no-repeat;"
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"background-position: center;"
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)
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img.setAlignment(Qt.AlignCenter) # 图标居中对齐
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img.setScaledContents(True) # 图标大小自动缩放
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return img
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@staticmethod
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def _init_title_widget():
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"""
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初始化标题组件
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:return: 标题 QLabel 对象
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"""
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title = QLabel("血氧")
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title.setStyleSheet(
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"font: 30px \"Microsoft YaHei UI\";" # 设置字体和大小
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"color: #2c2c2c;" # 设置字体颜色
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"border:none;" # 无边框
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)
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title.setContentsMargins(20, 4, 20, 4) # 设置边距
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return title
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@staticmethod
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def _init_value_label():
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"""
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初始化当前血氧显示组件
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:return: 当前血氧 QLabel 对象
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"""
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value_label = QLabel('当前血氧：%')
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value_label.setFrameShape(QFrame.Box)
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value_label.setLineWidth(0)
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value_label.setStyleSheet(
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"border:none;"
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"background-color: #ececec;"
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"margin-right: 10px;"
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"margin:0px 0px 0px 0px;"
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"border-radius: 5px;"
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"font: 24px \"Microsoft YaHei UI\";"
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)
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value_label.setAlignment(Qt.AlignCenter) # 文本居中对齐
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return value_label
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@staticmethod
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def _init_min_label():
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"""
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初始化最小血氧显示组件
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:return: 最小血氧 QLabel 对象
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"""
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min_label = QLabel('最小血氧：%')
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min_label.setFrameShape(QFrame.Box)
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min_label.setLineWidth(0)
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min_label.setStyleSheet(
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"border:none;"
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"background-color: #ececec;"
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"margin-right: 10px;"
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"margin:0px 0px 0px 0px;"
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"border-radius: 5px;"
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"font: 24px \"Microsoft YaHei UI\";"
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)
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min_label.setAlignment(Qt.AlignCenter) # 文本居中对齐
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return min_label
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@staticmethod
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def _init_plot_widget():
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"""
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初始化绘图组件
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:return: 绘图组件 PlotWidget 和绘图项 PlotDataItem 对象
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"""
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plot_widget_bo = pg.PlotWidget()
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plot_item_bo = plot_widget_bo.plot()
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plot_widget_bo.getAxis('bottom').setTicks([]) # 不显示 x 轴坐标点
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plot_widget_bo.setBackground('w') # 设置白色网格背景
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plot_widget_bo.showGrid(x=True, y=True) # 显示网格
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plot_widget_bo.setYRange(0, 100) # 设置 y 轴范围
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pen = pg.mkPen(color='#5c7bd9', width=3) # 修改线条颜色和粗细
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plot_item_bo.setPen(pen)
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return plot_widget_bo, plot_item_bo
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