Robin Dunn wrote:
Try using something other than the default GTK theme. Some of them do
not allow the bg colors to change, or they may just be ignoring the way
that wx is trying to do it.
The default settings for Kubuntu invoke the GTK-Qt theme engine. I found a
web site about it at http://gtk-qt.ecs.soton.ac.uk/. There is a page for
reporting bugs.
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Jeffrey Barish