The ebuild shouldn't pass -DQTC_ADD_EVENT_FILTER=true to cmake, as it current
does, or at least make it possible to switch it off and ideally also warn the
user that upstream doesn't recommend it. There are two known problems with it:
1) It causes Firefox crashes.
2) It causes annoying dummy window to pop up under non-kwin WMs (see the
"strange bug in GTK2" thread at
http://www.kde-look.org/content/show.php?content=40492 -- I don't see a way to
link to it directly, unfortunately). Upstream will reduce this one in the next
version, but 1) is still serious problem.
Reproducible: Always
