case XK_KP_Subtract: key_pressed = KPMINUS; break;
case XK_KP_Multiply: key_pressed = KPSTAR; break;
case XK_KP_Divide: key_pressed = KPSLASH; break;
case XK_KP_Subtract: key_pressed = KPMINUS; break;
case XK_KP_Multiply: key_pressed = KPSTAR; break;
case XK_KP_Divide: key_pressed = KPSLASH; break;