ibus on gnome3

1. ibus doesn’t work with gnome-terminal and other programs.

package.use    app-i18n/ibus gtk3

2. auto start ibus

~% cat .xprofile
export XMODIFIERS=”@im=ibus”
export GTK_IM_MODULE=”ibus”
export QT_IM_MODULE=”xim”
ibus-daemon -d -x