nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
if(c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
if(c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww