void vt_scrdn()
{
W *w;
if ((w = maint->topwin) != NULL) {
do {
if (w->watom->what & TYPETW) {
BW *bw = (BW *)w->object;
if (bw->shell_flag) {
pnextl(bw->top);
if (bw->parent->y != -1)
nscrlup(bw->parent->t->t, bw->y, bw->y + bw->h, 1);
}
}
w = w->link.next;
} while (w != maint->topwin);
}
}
static void movetw(W *w, ptrdiff_t x, ptrdiff_t y)
{
BW *bw = (BW *)w->object;
TW *tw = (TW *)bw->object;
if (y || !staen) {
if (!tw->staon) { /* Scroll down and shrink */
nscrldn(bw->parent->t->t, y, bw->parent->nh + y, 1);
}
bwmove(bw, x + (bw->o.linums ? LINCOLS : 0), y + 1);
tw->staon = 1;
} else {
if (tw->staon) { /* Scroll up and grow */
nscrlup(bw->parent->t->t, y, bw->parent->nh + y, 1);
}
bwmove(bw, x + (bw->o.linums ? LINCOLS : 0), y);
tw->staon = 0;
}
}