Copy dx/dy from the internal event to the DGA2 Motion/Button events. Do the same for Key events for the sake of keeping the code consistent. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>