pyqtgraph禁用父小部件滚动，鼠标悬停在子小部件上/从子小部件使用

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QScrollArea, QWidget, QLabel

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        # 创建父小部件
        parentWidget = QWidget()
        parentLayout = QVBoxLayout(parentWidget)

        # 创建子小部件
        childWidget = QLabel("子小部件")
        childWidget.setMouseTracking(True)  # 启用鼠标追踪

        # 添加子小部件到父小部件布局中
        parentLayout.addWidget(childWidget)

        # 创建滚动区域，并设置父小部件
        scrollArea = QScrollArea()
        scrollArea.setWidget(parentWidget)
        scrollArea.setWidgetResizable(True)

        # 禁用滚动条
        scrollBar = scrollArea.verticalScrollBar()
        scrollBar.setDisabled(True)

        self.setCentralWidget(scrollArea)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    mainWindow = MainWindow()
    mainWindow.show()
    sys.exit(app.exec_())