http://bugs.winehq.org/show_bug.cgi?id=11808
--- Comment #8 from Jörg Höhle hoehle@users.sourceforge.net 2011-01-01 10:18:25 CST --- Still present in wine-1.3.10. What I observe now is that after moving the scrollbar to the right (scrolling left, which works fine), moving it slowly back again still moves the largest part of the window contents to the left.
There's something else that is wrong and perhaps an indicator of the bug cause: When the scrollbar is not in leftmost (original) position, simply clicking or releasing it without moving already causes the window contents to move -- they shouldn't.