'dev-qt/qtgui:4[dbus(+)]' is wrong, latest qtgui ebuild does not have qtdbus dep now, see https://bugs.gentoo.org/show_bug.cgi?id=478222#c4
+ 08 Sep 2013; Lars Wendler <polynomial-c@gentoo.org> + fatrat-1.2.0_beta2.ebuild: + Fixed dependency on qtgui. Thanks to Nikoli for reporting this in bug + #484186. +