glade-xfce software package provides glade modules for xfce, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install glade-xfce
glade-xfce is installed in your system.
Make ensure the glade-xfce package were installed using the commands given below,
$ sudo dpkg-query -l | grep glade-xfce *
You will get with glade-xfce package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Library development |
| Package | glade-xfce |
| Version | 4.8.1-1 |
| Description | glade modules for xfce |
| Sub Section | libdevel |