Graphical glitch in a scrolled window



Hello,

I have a quiet weird problem. I have a VBox in a ScrolledWindow. I want to
have a background picture there. And I am packing some images in the VBox.
These images are made by compositing the background with other pictures. If
you want to see what it is used for, check that screenshot :

http://www.gcstar.org/images/screenshots/MoviesGlass.png

It's used for the left part of the window to display items in a shelf-like
view.

It works nice, but when there are a lot of items in that list, there are some
graphical glitches and images are no more aligned.

I did a small test program that I attached. Run it, and scroll down. You will
see that things goes weird somewhere. I am not sure if it's always on the same
line that it occurs. And also resizing the window can do some changes in the
way it is displayed.

Is there a problem with the way I set the background? Should I do that in
another way? Or is it a bug in Gtk2 Perl or Gtk+?

I am using Gtk2 Perl 1.162 with Gtk2 2.12.11 on a Fedora system. But users of
other operating systems reported the same bug in the application.

Thank you very much for any help.

Tian.

Attachment: glitch.tar.gz
Description: GNU Zip compressed data



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