nuovi aggiornamenti, ecco il file logitech_media_keyboard.def come è adesso:

codice:
<?xml version="1.0"?>

<definition>

  <config model="Logitech Media Keyboard">
  
    <Search       keycode="229"/>
    <Next         keycode="233"/>
    <Back         keycode="234"/>
    
    <Bookmarks    keycode="230"/>

    <VolUp        keycode="176" adj="2"/>
    <VolDown      keycode="174" adj="2"/>
    <Mute         keycode="160"/>

    <Messenger    keycode=""/>

    <PowerDown    keycode="223"/>
    
    <userdef keycode="237" command="amarok">amaroK - Multimedia Player</userdef>
    <userdef keycode="144" command="amarok --previous">amaroK Previous Track</userdef>
    <userdef keycode="153" command="amarok --next">amaroK Next Track</userdef>
    <userdef keycode="162" command="amarok --play --pause">amaroK Play/Pause</userdef>
    <userdef keycode="164" command="amarok --stop">amaroK Stop</userdef>
    <userdef keycode="236" command="thunderbird">Thunderbird</userdef>
    <userdef keycode="161" command="kcalc">Kcalc</userdef>
    <userdef keycode="178" command="konqueror file:/home/cron/Documents/">Documents</userdef>
    
  </config>
  
  <contributor>
    <name>Cron</name>
    <email>   </email>
  </contributor>

</definition>
adesso mancano solamente i tasti Avanti e Indietro per utilizzarli con Firefox, Preferiti e Messenger. Quest'ultimo non viene registrato da xev, cioè non mi viene restituito il keycode.