Yesterday I released a new version of my message notification extension for gnome-shell (3.2 and 3.4), to install it or to update it just visit its page on extensions.gnome.org.
The main feature in the new version is that it just handles notifications coming from well-known applications: Empathy, XChat, XChat-GNOME, Pidgin and notify-send. Handling the Empathy notifications is easy because they are well integrated with the shell, but the other notifications required some hack because all the applications handle notifications in different ways. I did my best to make the notifications as useful as possible, similar to the Empathy ones, but there are some small limitations.
Some of the handled applications require plugins to show notification bubbles:
- Pidgin: Click on the “Tools” menu and then “Plug-ins”. Make sure that the “Libnotify Popups” plugin is enabled. If the plugin is not in the list it means you need to install it. On Debian the package is called “pidgin-libnotify”, other distros should have a package with a similar name.
- XChat-GNOME: Click on the “Edit” menu and then “Preferences”. In the “Scripts and Plugins” tab make sure that “On-screen display” is enabled.
- XChat: Click on the “Settings” menu and then “Preferences”. In the “Alerts” tab make sure that “Show tray baloons” is enabled for both “Private Message” and “Highlighted Message”. If the notifications pile up in the bottom right corner of your screen and clicking on them does nothing, it means that XChat is using notify-send because it cannot find libnotify. I don’t know how to fix this issue on different distros, but I found a Red Hat bug explaining the problem.

Notifications coming from Empathy and XChat-GNOME
Is there any other common application that you would like to be handled by my plugin? The only prerequisite is that they somehow use standard notification bubbles (and this means I cannot implement it for Skype).
If you are looking for the source code, it’s in this git repository.