ws() {
	local bool
	local group="org.gnome.mutter"
	local name="workspaces-only-on-primary"
	local var="${group}/${name}"
	# get
	bool="$(gsettings get "${group}" "${name}")"
	log_debug "${var}: ${bool}"
	# not
	bool="$(not "${bool}")"
	log_debug "${var}: ${bool}"
	# set
	gsettings set "${group}" "${name}" "${bool}"
	log_info "${var}: ${bool}"
}