// make sure that the allocated size is larger than

                // the minimum + next widget size + compensation

                // (to prevent GTK3 from prematurely expanding icons)

                while (allocated_size > min_size + next_min + _compensation && !_collapsed_children.empty()) {

                // minus 1 to compensate the reported allocated size (prevent glitching)

                while (allocated_size - 1 > min_size + next_min + _compensation && !_collapsed_children.empty()) {

                    _move_child(menu_btn->get_popover_box(), _toolbar, true);

                    // min size needs to be recalculated every round

                    min_size = min_dimension(_toolbar, orientation);