floating

pub fn floating(self: *Branch) bool {
        // if drag_point is non-null, id_reorderable is non-null
        if (self.tree.drag_point != null and self.tree.id_branch.? == (self.init_options.branch_id orelse self.data().id.asUsize()) and !self.tree.drag_ending) {
            return true;
        }

        return false;
    }