for x in range(2, len(row)):
                        self.rowmap.append(row[x][0])

            # load default category
            if (self.current):
                self.load(self.current)
            else:
                mygtk.columns(self.gtk_list, self.datamap, [{}])
                mygtk.columns(self.gtk_list, self.datamap, [])
                
            # add to main menu
            mygtk.add_menu(parent.channelmenuitems, self.title, lambda w: parent.channel_switch(w, self.module) or 1)
            
            
        # make private copy of .datamap and modify field (title= only ATM)
        def update_datamap(self, search="name", title=None):

        #
        # An according entries list then would contain a dictionary for each row:
        #   entries = [ {"titlerow":"first", "interndat":123}, {"titlerow":"..."}, ]
        # Keys not mentioned in the datamap get ignored, and defaults are applied
        # for missing cols. All values must already be in the correct type however.
        #
        @staticmethod
        def columns(widget, datamap=[], entries=[], pix_entry=False, typecast=0):
        def columns(widget, datamap=[], entries=None, pix_entry=False, typecast=0):

            # create treeviewcolumns?
            if (not widget.get_column(0)):
                # loop through titles
                datapos = 0
                for n_col,desc in enumerate(datamap):
                                    

                widget.set_search_column(4)   #??
                widget.set_search_column(3)   #??
                widget.set_search_column(2)   #??
                widget.set_search_column(1)   #??
                #widget.set_reorderable(True)
               
            # add data?
            if (entries):
                #- expand datamap            
            if (entries is not None):
                #- expand datamap
                vartypes = []  #(str, str, bool, str, int, int, gtk.gdk.Pixbuf, str, int)
                rowmap = []    #["title", "desc", "bookmarked", "name", "count", "max", "img", ...]
                if (not rowmap):
                    for desc in datamap:
                        for var in xrange(2, len(desc)):
                            vartypes.append(desc[var][1])  # content types
                            rowmap.append(desc[var][0])    # dict{} column keys in entries[] list

                    try:
                        # add
                        ls.append(row)   # had to be adapted for real TreeStore (would require additional input for grouping/level/parents)

                    except:
                        # brute-force typecast
                        ls.append( [va  if ty==gtk.gdk.Pixbuf  else ty(va)   for va,ty in zip(row,vartypes)]  )

                if entries:
                __print__("→", row, len(row))
                     __print__("→", row, len(row))
                
                # apply array to widget
                widget.set_model(ls)
                return ls
                
            pass