int window_add_buttons(lua_State* L)
{
    ContainerWindow* lw = dynamic_cast<ContainerWindow*>(window_arg(L));
    lw->add_buttons(L);
    return 0;
}

void add_buttons(lua_State* L)
{
    int nargs = lua_gettop(L);
    int i = 2;
    TEW* panel = new TEW(NULL,this,0,true);
    panel->align(alBottom,50);
    Layout layout(panel,this);
    while (i < nargs) {
        layout << Button(luaL_checkstring(L,i),(EH)&ContainerWindow::on_button,(void*)luaL_checkstring(L,i+1));
        i += 2;
    }
    layout.release();
    add(panel);
    size();
}