Method tree_node

src/python/lfs/py_ui.cpp:1469–1475

        return r;
    }
    bool PySubLayout::tree_node(const std::string& l) {
        advance_child();
        apply_state();
        auto r = parent_->tree_node(l);
        pop_per_item_state();
        return r;
    }
    void PySubLayout::tree_pop() {
        parent_->tree_pop();
    }