Install ibus-cangjie by entering the following commands in the terminal:
sudo apt update sudo apt install ibus-cangjie
Description:
Cangjie and Quick input methods for IBus
This is an IBus engine for users of the Cangjie and Quick input methods. . It is primarily intended to Hong Kong people who want to input Traditional Chinese, however, it should work for others as well (e.g. to input Simplified Chinese).
Homepage: http://ibus-cangjie.opensource.hk/
Version: 2.4-1
Section: universe/utils