SHOW_UPDATES
((todo&SHOW_UPDATES)? 2*LAYOUT_DRIVE_1_INCR+2 :0)) \
((todo&SHOW_UPDATES)? 2*LAYOUT_DRIVE_2_INCR+2 : 0))\
((todo&SHOW_UPDATES)? 2*LAYOUT_DRIVE_2_INCR+1 : 0))\
todo |= SHOW_UPDATES;