Method signal_find_impl

gi/object.cpp:3229–3268

}

bool ObjectInstance::signal_find_impl(JSContext* cx, const JS::CallArgs& args) {
    gjs_debug_gsignal("[Gi.signal_find_symbol]() obj %p priv %p argc %d",
                      m_wrapper.get(), this, args.length());

    if (!check_gobject_finalized("find any signal on")) {
        args.rval().setInt32(0);
        return true;
    }

    JS::RootedObject match(cx);
    if (!gjs_parse_call_args(cx, "[Gi.signal_find_symbol]", args, "o", "match",
                             &match))
        return false;

    GSignalMatchType mask;
    unsigned signal_id;
    GQuark detail;
    JS::RootedObject callable(cx);
    if (!signal_match_arguments_from_object(cx, match, &mask, &signal_id,
                                            &detail, &callable))
        return false;

    uint64_t handler = 0;
    if (!callable) {
        handler = g_signal_handler_find(m_ptr, mask, signal_id, detail, nullptr,
                                        nullptr, nullptr);
    } else {
        for (GClosure* candidate : m_closures) {
            if (Gjs::Closure::for_gclosure(candidate)->callable() == callable) {
                handler = g_signal_handler_find(m_ptr, mask, signal_id, detail,
                                                candidate, nullptr, nullptr);
                if (handler != 0)
                    break;
            }
        }
    }

    args.rval().setNumber(static_cast<double>(handler));
    return true;
}

template <ObjectBase::SignalMatchFunc(*MatchFunc)>
static inline const char* signal_match_to_action_name();