We should figure out what the requirements are and avoid showing the shadow buttons in that case.

the code itself is pretty easy, what is difficult is keeping the interface clean between the dialog, the client and the server...

Maybe define a list of options for each session type? Is this too generic for the sake of it?

This used to be done with python-xlib code in window_util but was removed as it caused segfaults. r1450 All the other approaches I have tried did not work as advertised (root window property, etc..)

There must be something in dbus that would do the job, but I can't find it documented anywhere.