Function curs_pad_menu

win/curses/cursdial.c:669–707

for menu->bottom_heavy -- insert enough blank lines at top of first page to make the last page become a full one */

/* for menu->bottom_heavy -- insert enough blank lines at top of
   first page to make the last page become a full one */
static void
curs_pad_menu(
    nhmenu *current_menu,
    boolean do_pad UNUSED)
{
    nhmenu_item *menu_item_ptr;
    int numpages;

    /* caller has already called menu_win_size() */
    menu_determine_pages(current_menu); /* sets 'menu->num_pages' */
    numpages = current_menu->num_pages;
    /* pad beginning of menu so that partial last page becomes full;
       might be slightly less than full if any entries take multiple
       lines and the padding would force those to span page boundary
       and that gets prevented; so we re-count the number of pages
       with every insertion instead of trying to calculate the number
       of them to add */
    do {
        menu_item_ptr = curs_new_menu_item(current_menu->wid, "");
        menu_item_ptr->next_item = current_menu->entries;
        current_menu->entries->prev_item = menu_item_ptr;
        current_menu->entries = menu_item_ptr;
        current_menu->num_entries += 1;

        menu_determine_pages(current_menu);
    } while (current_menu->num_pages == numpages);

    /* we inserted blank lines at beginning until final entry spilled
       over to another page; take the most recent blank one back out */
    current_menu->num_entries -= 1;
    current_menu->entries = menu_item_ptr->next_item;
    current_menu->entries->prev_item = (nhmenu_item *) 0;
    free((genericptr_t) menu_item_ptr->str);
    free((genericptr_t) menu_item_ptr);

    /* reset page count; shouldn't need to re-count */
    current_menu->num_pages = numpages;
    return;
}

/* mark ^P message recall menu, for msg_window:full (FIFO), where we'll
   start viewing on the last page so be able to see most recent immediately */