Function tty_display_nhwindow

win/tty/wintty.c:1854–1950

ARGSUSED*/

/*ARGSUSED*/
void
tty_display_nhwindow(
    winid window,
    boolean blocking) /* with ttys, all windows are blocking */
{
    struct WinDesc *cw = 0;
    short s_maxcol;

    HUPSKIP();
    if (window == WIN_ERR || (cw = wins[window]) == (struct WinDesc *) 0)
        ttywindowpanic();
    if (cw->flags & WIN_CANCELLED)
        return;
    ttyDisplay->lastwin = window;
    ttyDisplay->rawprint = 0;

    print_vt_code2(AVTC_SELECT_WINDOW, window);

    switch (cw->type) {
    case NHW_MESSAGE:
        if (ttyDisplay->toplin == TOPLINE_NEED_MORE) {
            more();
            ttyDisplay->toplin = TOPLINE_NEED_MORE; /* more resets this */
            tty_clear_nhwindow(window);
            nhassert(ttyDisplay->toplin == TOPLINE_EMPTY);
        } else
            ttyDisplay->toplin = TOPLINE_EMPTY;
        cw->curx = cw->cury = 0;
        if (!cw->active)
            iflags.window_inited = TRUE;
        break;
    case NHW_MAP:
        end_glyphout();
        if (blocking) {
            if (ttyDisplay->toplin != TOPLINE_EMPTY)
                ttyDisplay->toplin = TOPLINE_NEED_MORE;
            tty_display_nhwindow(WIN_MESSAGE, TRUE);
            return;
        }
        FALLTHROUGH;
        /*FALLTHRU*/
    case NHW_BASE:
        (void) fflush(stdout);
        break;
    case NHW_TEXT:
        cw->maxcol = ttyDisplay->cols; /* force full-screen mode */
        FALLTHROUGH;
        /*FALLTHRU*/
    case NHW_MENU:
        cw->active = 1;
        /* cw->maxcol is a long, but its value is constrained to
           be <= ttyDisplay->cols, so is sure to fit within a short */
        s_maxcol = (short) cw->maxcol;
#ifdef H2344_BROKEN
        cw->offx = (cw->type == NHW_TEXT)
                       ? 0
                       : min(min(82, ttyDisplay->cols / 2),
                             ttyDisplay->cols - s_maxcol - 1);