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;
}
}
static void disppw(BW *bw, int flg)
{
W *w = bw->parent;
PW *pw = (PW *) bw->object;
if (!flg) {
return;
}
/* Scroll buffer and position prompt */
if (pw->promptlen > w->w - 5) {
pw->promptofst = pw->promptlen - w->w / 2;
if (piscol(bw->cursor) < w->w - (pw->promptlen - pw->promptofst)) {
bw->offset = 0;
} else {
bw->offset = piscol(bw->cursor) - (w->w - (pw->promptlen - pw->promptofst) - 1);
}
} else {
if (piscol(bw->cursor) < w->w - pw->promptlen) {
pw->promptofst = 0;
bw->offset = 0;
} else if (piscol(bw->cursor) >= w->w) {
pw->promptofst = pw->promptlen;
bw->offset = piscol(bw->cursor) - (w->w - 1);
} else {
pw->promptofst = pw->promptlen - (w->w - piscol(bw->cursor) - 1);
bw->offset = piscol(bw->cursor) - (w->w - (pw->promptlen - pw->promptofst) - 1);
}
}
/* Set cursor position */
w->curx = piscol(bw->cursor) - bw->offset + pw->promptlen - pw->promptofst;
w->cury = 0;
/* Generate prompt */
w->t->t->updtab[w->y] = 1;
genfmt(w->t->t, w->x, w->y, pw->promptofst, pw->prompt, BG_COLOR(bg_prompt), 0);
/* Position and size buffer */
bwmove(bw, w->x + pw->promptlen - pw->promptofst, w->y);
bwresz(bw, w->w - (pw->promptlen - pw->promptofst), 1);
/* Generate buffer */
bwgen(bw, 0);
}
