Left-click cycles it -> us -> sk(qwerty), right-click cycles backwards, via a new kbd_cycle.sh that calls setxkbmap like the M-i/M-u/M-s keys.
Left-click cycles it -> us -> sk(qwerty), right-click cycles backwards, via a new kbd_cycle.sh that calls setxkbmap like the M-i/M-u/M-s keys.