Re: How to detect a gtk desktop programmatically

[Zander Brown <zbrown gnome org>]

That's an unfortunate truth which is why I was hoping for an alternative way to detect this.

At time of writing this, Ubuntu's the only one I've found modifying XDG_CURRENT_DESKTOP and keep something indicative of Gtk inside e.g. (ubuntu:GNOME).

Nothing about "ubuntu:GNOME" is "indicative of Gtk", it's stating the fact your running Ubuntu's modified GNOME session.

XDG_CURRENT_DESKTOP is supposed to indicate just that: the current desktop environment

Not some insight into whatever technology that desktop is using - other variables like XDG_SESSION_TYPE do that

Really there is 3 approaches here:

1. Convince every desktop session to export "OPENJDK_HEY_IM_GTK" and look at that. - and then wait 4/5 years for that to trickle down to users
2. Maintain a map of know names in OpenJDK itself
3. Assume all Linux based platforms use Gtk

When your trying to choose between Windows, GTK, Aqua, Motif & Metal the best choice would seem to be 3

When KDELookAndFeel becomes a thing you can worry about detecting KDE or LXQt, currently this is a rather academic exercise

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