middle click to close Qt tab

from PySide6.QtWidgets import QTabBar, QTabWidget, QApplication
from PySide6.QtCore import Qt
from PySide6.QtGui import QMouseEvent

class CustomTabBar(QTabBar):
    def mousePressEvent(self, event: QMouseEvent):
        if event.button() == Qt.MiddleButton:  # Check for middle mouse button
            tab_index = self.tabAt(event.position().toPoint())  # Updated for PySide6
            if tab_index != -1:
                self.parent().removeTab(tab_index)  # Close the tab
        else:
            super().mousePressEvent(event)

class CustomTabWidget(QTabWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setTabBar(CustomTabBar())  # Set the custom tab bar

# Example usage
if __name__ == "__main__":
    import sys
    app = QApplication(sys.argv)

    tab_widget = CustomTabWidget()
    tab_widget.addTab(QTabBar(), "Tab 1")
    tab_widget.addTab(QTabBar(), "Tab 2")
    tab_widget.addTab(QTabBar(), "Tab 3")
    tab_widget.show()

    sys.exit(app.exec())  # Updated for PySide6