libdbusmenu-qt5 software package provides Qt5 implementation of the DBusMenu protocol, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdbusmenu-qt5
libdbusmenu-qt5 is installed in your system.
Make ensure the libdbusmenu-qt5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdbusmenu-qt5 *
You will get with libdbusmenu-qt5 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libdbusmenu-qt5 |
| Version | 0.9.3+14.04.20140314-0ubuntu1 |
| Description | Qt5 implementation of the DBusMenu protocol |
| Sub Section | libs |