if (pos->x == -1)
x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
if (pos->x == -1)
x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
SX + (SXSIZE + title_width) / 2 + width / 2 : 0);