You currently don't want to shade the window when the decoration is on the side and the mouse position is not yet adjusted correctly.
svn path=/trunk/KDE/kdebase/workspace/; revision=1118698
It should support everything the old engine supported. Only known regression is the lack of tooltips.
Now finally Aurorae is ready to get window tab support \o/
svn path=/trunk/KDE/kdebase/workspace/; revision=1114115