/* Scroll (change_scroll_region+parm_rindex+parm_index / csr+rin+indn) */
static void _scroll_region(TERM_REC *term, int y1, int y2, int count)
{
/* setup the scrolling region to wanted area */
scroll_region_setup(term, y1, y2);
term->move(term, 0, y1);
if (count > 0) {
term->move(term, 0, y2);
tput(tparm(term->TI_indn, count, count));
} else if (count < 0) {
term->move(term, 0, y1);
tput(tparm(term->TI_rin, -count, -count));
}
/* reset the scrolling region to full screen */
scroll_region_setup(term, 0, term->height-1);
}
/* Scroll (change_scroll_region+scroll_reverse+scroll_forward / csr+ri+ind) */
static void _scroll_region_1(TERM_REC *term, int y1, int y2, int count)
{
int i;
/* setup the scrolling region to wanted area */
scroll_region_setup(term, y1, y2);
if (count > 0) {
term->move(term, 0, y2);
for (i = 0; i < count; i++)
tput(tparm(term->TI_ind));
} else if (count < 0) {
term->move(term, 0, y1);
for (i = count; i < 0; i++)
tput(tparm(term->TI_ri));
}
/* reset the scrolling region to full screen */
scroll_region_setup(term, 0, term->height-1);
}
/* Scroll (parm_insert_line+parm_delete_line / il+dl) */
static void _scroll_line(TERM_REC *term, int y1, int y2, int count)
{
/* setup the scrolling region to wanted area -
this might not necessarily work with il/dl, but at least it
looks better if it does */
scroll_region_setup(term, y1, y2);
if (count > 0) {
term->move(term, 0, y1);
tput(tparm(term->TI_dl, count, count));
term->move(term, 0, y2-count+1);
tput(tparm(term->TI_il, count, count));
} else if (count < 0) {
term->move(term, 0, y2+count+1);
tput(tparm(term->TI_dl, -count, -count));
term->move(term, 0, y1);
tput(tparm(term->TI_il, -count, -count));
}
/* reset the scrolling region to full screen */
scroll_region_setup(term, 0, term->height-1);
}
