Script para circular entre espaços de trabalho e exibir o espaço de trabalho atual no plugin Monitor Genérico do Xfce

desktop-cycle.sh

#!/usr/bin/env bash

IDESKTOP=$(xdotool get_desktop)        # índice do desktop atual
NDESKTOP=$(xdotool get_num_desktops)   # número de desktops

desk_next() {
    xdotool set_desktop --relative 1
    xfce4-panel --plugin-event=genmon-1:refresh:bool:true
}

desk_prev() {
    [[ $(($IDESKTOP - 1)) -lt 0 ]] \
        && p=$(( $NDESKTOP - 1 ))    \
        || p=$(( $IDESKTOP - 1 ))
    xdotool set_desktop $p
    xfce4-panel --plugin-event=genmon-1:refresh:bool:true
}

desk_current() {
    echo "<txt>$(($IDESKTOP + 1))</txt>"
    echo "<txtclick>xdotool key ctrl+alt+d</txtclick>"
    echo "<tool></tool>"
}

case $1 in
    "next") desk_next
            ;;
    "prev") desk_prev
            ;;
    *)      desk_current
            ;;
esac

exit 0