Function tty_add_menu

win/tty/wintty.c:2558–2623

ARGSUSED*/ * Add a menu item to the beginning of the menu list. This list is reversed * later. */

 * later.
 */
void
tty_add_menu(
    winid window,  /* window to use, must be of type NHW_MENU */
    const glyph_info *glyphinfo, /* glyph info with glyph to
                                  * display with item */
    const anything *identifier, /* what to return if selected */
    char ch,                /* selector letter (0 = pick our own) */
    char gch,               /* group accelerator (0 = no group) */
    int attr,               /* attribute for string (like tty_putstr()) */
    int clr,                /* color for string */
    const char *str,        /* menu string */
    unsigned int itemflags) /* itemflags such as MENU_ITEMFLAGS_SELECTED */
{
    boolean preselected = ((itemflags & MENU_ITEMFLAGS_SELECTED) != 0);
    struct WinDesc *cw = 0;
    tty_menu_item *item;
    const char *newstr;
    char buf[4 + BUFSZ];

    HUPSKIP();
    if (str == (const char *) 0)
        return;

    if (window == WIN_ERR
        || (cw = wins[window]) == (struct WinDesc *) 0
        || cw->type != NHW_MENU)
        ttywindowpanic();

#ifdef TTY_PERM_INVENT
    if (cw->mbehavior == MENU_BEHAVE_PERMINV) {
        ttyinv_add_menu(window, cw, ch, attr, clr, str);
        return;
    }
#endif

    cw->nitems++;
    if (identifier->a_void) {
        int len = (int) strlen(str);

        if (len >= BUFSZ) {
            /* We *think* everything's coming in off at most BUFSZ bufs... */
            impossible("Menu item too long (%d).", len);
            len = BUFSZ - 1;
        }
        Sprintf(buf, "%c - ", ch ? ch : '?');
        (void) strncpy(buf + 4, str, len);
        buf[4 + len] = '\0';
        newstr = buf;
    } else
        newstr = str;

    item = (tty_menu_item *) alloc(sizeof *item);
    item->identifier = *identifier;
    item->count = -1L;
    item->selected = preselected;
    item->itemflags = itemflags;
    item->selector = ch;
    item->gselector = gch;