Для перемикання мови треба зробити секцію "InputDevice" на кшталт цієї:
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc104"
# Option "XkbVariant" ",winkeys"
Option "XkbLayout" "us,ru(winkeys),ua(winkeys)"
Option "XkbOptions" "grp:ctrl_shift_toggle,grp_led:scroll"
EndSection