Python PyQt5 -检测点击垂直标题项(QTableWidget)

from PyQt5.QtWidgets import QApplication, QTableWidget, QTableWidgetItem
from PyQt5.QtCore import Qt

class MyTableWidget(QTableWidget):
    def __init__(self, rows, columns):
        super().__init__(rows, columns)
        self.setVerticalHeaderLabels(["Title 1", "Title 2", "Title 3"])
    
    def mousePressEvent(self, event):
        if event.button() == Qt.LeftButton:
            header = self.verticalHeader()
            index = header.logicalIndexAt(event.pos().y())
            item = header.item(index)
            if item:
                print("Clicked on vertical header item:", item.text())
        super().mousePressEvent(event)

# 创建应用程序和窗口
app = QApplication([])
table = MyTableWidget(3, 3)
table.show()
app.exec_()