通过重写pyqt4 python中的keypress事件来禁用在qtextedit上写入字符

Question

是否可以通过重写pyqt4 python中的keypress事件来禁止在qtextedit上写入字符？

Answer 1

Derive from QTextEdit and overwrite the corresponding event handler methods:

class MyTextEdit(QTextEdit):

    def keyPressEvent(self, event):
        event.ignore()