Библиотека X11 и получение списка языков

XkbStateRec xkbState;
    Display *display = XOpenDisplay(NULL);
    XkbGetState(display, XkbUseCoreKbd, &xkbState);
 
    Atom real_prop_type; int fmt;
    unsigned long nitems, extra_bytes;
    char *prop_data = NULL;
    Atom rules_atom = XInternAtom(display, "_XKB_RULES_NAMES", False);
    XGetWindowProperty(display, DefaultRootWindow(display), rules_atom, 0L, 1024,
        False, XA_STRING, &real_prop_type, &fmt, &nitems, &extra_bytes, (unsigned char **) (void *) &prop_data);
 
    QStringList names;
    for(char* p=prop_data; p-prop_data < (long)nitems && p != NULL; p += strlen(p)+1) names.append( p );
    if (names.count() > 3 ) names = names[2].split(",");
    qDebug()<<names;
    qDebug()<<names[xkbState.group];
    XFree(prop_data);
    XCloseDisplay(display);
    languageLabel->setText(names[xkbState.group]);

display = XOpenDisplay(NULL);
    XkbDescRec desc[1];char *names_[XkbNumKbdGroups];
    int gc;
    memset(desc, 0, sizeof(desc));
    desc->device_spec = XkbUseCoreKbd;
    XkbGetControls(display, XkbGroupsWrapMask, desc);
    XkbGetNames(display, XkbGroupNamesMask, desc);
    XGetAtomNames(display, desc->names->groups, gc = desc->ctrls->num_groups, names_);
    numberLang=gc;
    XkbFreeControls(desc, XkbGroupsWrapMask, True);
    XkbFreeNames(desc, XkbGroupNamesMask, True);