dlt = t;
drb = b + *h - c->frame->area.height;
if (b < tt && drb >= tt && drb < tt + resistance)
*h = tt - t, snapy = target;
break;
dlt = t;
drb = b + *h - c->frame->area.height;
if (b < tt && drb >= tt && drb < tt + resistance)
*h = tt - t, snapy = target;
break;