1<<KG_SHIFT        1<<0
1<<KG_ALTGR        1<<1
1<<KG_CTRL         1<<2
1<<KG_ALT          1<<3
1<<KG_SHIFTL       1<<4
1<<KG_SHIFTR       1<<5
1<<KG_CTRLL        1<<6
1<<KG_CTRLR        1<<7