Method qt_yn_function

win/Qt/qt_bind.cpp:840–948

}

char NetHackQtBind::qt_yn_function(const char *question_,
                                   const char *choices, char def)
{
    QString question(QString::fromLatin1(question_));
    QString message;
    char yn_esc_map='\033';
    int result = -1;

    if (choices) {
        QString choicebuf;
        for (const char *p = choices; *p; ++p) {
            if (*p == '\033') // <esc> and anything beyond is hidden
                break;
            choicebuf += visctrl(*p);
        }
        choicebuf.truncate(QBUFSZ - 1); // no effect if already shorter
        message = QString("%1 [%2] ").arg(question, choicebuf);
        if (def)
            message += QString("(%1) ").arg(QChar(def));
        // escape maps to 'q' or 'n' or default, in that order
        yn_esc_map = strchr(choices, 'q') ? 'q'
                     : strchr(choices, 'n') ? 'n'
                       : def;
    } else {
        message = question;
    }

    if (
        /*
         * The 'Settings' dialog doesn't present prompting-in-message-window
         * as a candidate for customization but core supports 'popup_dialog'
         * option so let player use that instead.
         */
#if 0
        qt_settings->ynInMessages()
#else
        !::iflags.wc_popup_dialog
#endif
        && WIN_MESSAGE != WIN_ERR) {
        // Similar to X11 windowport `slow' feature.

        char cbuf[20];
        cbuf[0] = '\0';

        // add the prompt to the message window
        NetHackQtBind::qt_putstr(WIN_MESSAGE, ATR_BOLD, message);

        while (result < 0) {
            cbuf[0] = '\0';
            char ch=NetHackQtBind::qt_nhgetch();
            if (ch=='\033') {
                result=yn_esc_map;
                Strcpy(cbuf, "ESC");
            } else if (choices && !strchr(choices,ch)) {
                if (def && (ch==' ' || ch=='\r' || ch=='\n')) {
                    result=def;
                    Strcpy(cbuf, visctrl(def));
                } else {