pyqt pyside QLineEdit 重写键盘事件

def keyPressEvent(self, event):

    if (event.modifiers() & QtCore.Qt.ShiftModifier):

        self.shift = True

        print 'Shift!'

    # call base class keyPressEvent

    QtGui.QLineEdit.keyPressEvent(self, event)

https://*.com/questions/5047558/properly-handling-a-keypressevent-in-a-subclassed-pyqt-lineedit