gedit in LXDE: black bar

Question

I'm using Ubuntu 12.04 with LXDE desktop environment.

When I use the normal Ubuntu desktop, everything is normal. When I'm using LXDE however, the bar with all opened files is black. You can see what I mean here:

Answer 1

I think I have found a solution that works. I changed the LXDE theme to Radiance using lxappearance. Gedit has no black bars now.

Answer 2

The problem seems to be related to the LXDE themes not being GTK 3 compatible. There is some advice which will work around the problem and relevant links to more details here:

http://forum.xfce.org/viewtopic.php?id=7127