kbdd software package provides Per-window keyboard layout switching daemon for X, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kbdd
kbdd is installed in your system.
Make ensure the kbdd package were installed using the commands given below,
$ sudo dpkg-query -l | grep kbdd *
You will get with kbdd package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | kbdd |
| Version | 0.6-4 |
| Description | Per-window keyboard layout switching daemon for X |
| Sub Section | X333 |