fcitx-ui-light software package provides light weight xlibs and xft based UI for Fcitx, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fcitx-ui-light
fcitx-ui-light is installed in your system.
Make ensure the fcitx-ui-light package were installed using the commands given below,
$ sudo dpkg-query -l | grep fcitx-ui-light *
You will get with fcitx-ui-light package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Utilities |
| Package | fcitx-ui-light |
| Version | 0.1.3-2 |
| Description | light weight xlibs and xft based UI for Fcitx |
| Sub Section | utils |