"menu_properties": config_dialog.open,
                "config_cancel": config_dialog.hide,
                "config_save": config_dialog.save,
                "config_play_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 0, txt)),
                "config_play_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 1, txt)),
                "config_record_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 0, txt)),
                "config_record_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 1, txt)),
                "update_categories": self.update_categories,
                "update_favicons": self.update_favicons,
                "app_state": self.app_state,
                "bookmark": self.bookmark,
                "save_as": self.save_as,
                "menu_about": lambda w: AboutStreamtuner2(),
                "menu_help": action.action.help,
                "menu_onlineforum": lambda w: action.browser("http://sourceforge.net/projects/streamtuner2/forums/forum/1173108"),

        
        # Generic Gtk callback to update ListStore when entries get edited
        def list_edit(self, liststore, path, column, new_text):
            liststore[path][column] = new_text
            # The signal_connect() dict actually prepares individual lambda functions
            # to bind the correct ListStore and column id.
            

        # list of Gtk themes in dropdown
        def combobox_theme(self):
            # find themes
            themedirs = (conf.share+"/themes", conf.dir+"/themes", "/usr/share/themes")
            themes = ["no theme"]
            [[themes.append(e) for e in os.listdir(dir)] for dir in themedirs if os.path.exists(dir)]