I think this is not relevant in GNOME 3, which no longer has applets. Instead, you write extensions. There are multiple simple examples at http://blog.fpmurphy.

I think this is not relevant in GNOME 3, which no longer has applets. Instead, you write extensions. There are multiple simple examples at http://blog.fpmurphy.com/2011/04/gnome-3-shell-extensions.html http://blog.fpmurphy.com/2011/04/gnome-3-shell-extensions.ht...