gcin 2.8.5+dfsg1-4build2 (amd64 binary) in ubuntu bionic

 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.
 .
 To use gcin, the correspondence immodule packages also need to be installed.
 They are:
 .
  * gcin-gtk2-immodule for GTK2
  * gcin-gtk3-immodule for GTK3
  * gcin-qt5-immodule for Qt5