I've never had any such issue on Fedora using the default gtk theme, so I wonder if that could be a gtk issue.
Can you reproduce using the gtk default Adwaita theme? (it wouldn't be the first time I see an issue with the default theme shipped in Xubuntu, e.g. bug 12329)
I've never had any such issue on Fedora using the default gtk theme, so I wonder if that could be a gtk issue.
Can you reproduce using the gtk default Adwaita theme? (it wouldn't be the first time I see an issue with the default theme shipped in Xubuntu, e.g. bug 12329)