# attach cell to column
                        col.pack_end(rend, expand=cell[3].get("expand",True))
                        # apply attributes
                        for attr,val in list(cell[3].items()):
                            col.add_attribute(rend, attr, val)
                        # next
                        datapos += 1
                        #__print__(dbg.INFO, cell, len(cell))


                    # add column to treeview
                    widget.append_column(col)
                # finalize widget
                widget.set_search_column(5)   #??
                widget.set_search_column(4)   #??
                widget.set_search_column(3)   #??
                widget.set_search_column(2)   #??

        # with entries = [main,[sub,sub], title,[...],...]
        #
        @staticmethod     
        def tree(widget, entries, title="category", icon=gtk.STOCK_DIRECTORY):

            # list types
            ls = gtk.TreeStore(str, str)
            #__print__(dbg.DATA, ".tree", entries)

            # add entries
            for entry in entries:
                if isinstance(entry, (str,unicode)):
                    main = ls.append(None, [str(entry), icon])
                else:
                    for sub_title in entry: