Install gcin-qt5-immodule by entering the following commands in the terminal:
sudo apt update sudo apt install gcin-qt5-immodule
Description:
Qt5 input method module with gcin as backend
gcin is a GTK+ based input method which focused mainly on Traditional Chinese. However, it is also very useful for Simplified Chinese, Japanese, and many other languages. . This package is the Qt5 input method module (immodule) for gcin.
Homepage: http://hyperrate.com/dir.php?eid=67
Version: 2.8.5+dfsg1-4build4
Section: universe/utils