LineEdit is ReadOnly, and can input Chinese words or other thing(eng character, sentence) via input method (such as Win10 default chinese input method, sogou input method etc.)

I dont know if there are some problem with other input method of other language env.

and other user has the som problem.

Link to: https://forum.qt.io/topic/141443/text-still-can-be-input-to-qtextbrowser-in-readonly-mode-by-chinese-input-method