580         item = node.item
582                values=item.name if item.__class__ is Symbol_ else "")
689         if node.list and not isinstance(node.item, Symbol):
690             if _tree.item(id(node), "open"):
712                 if node.list and isinstance(node.item, Symbol):
716             elif node.list and isinstance(node.item, Symbol):
753             elif node.list and isinstance(node.item, Symbol):
773         (node.item == MENU and not expr_value(node.visibility))
783     _tree.item(
798         if node.item == COMMENT:
803         if isinstance(node.item, Symbol):
804             sym = node.item
814     elif isinstance(node.item, Symbol):
816         s = "<{}>".format(node.item.name)
821         s = standard_sc_expr_str(node.item)
824     if isinstance(node.item, Symbol):
825         sym = node.item
831     elif isinstance(node.item, Choice) and node.item.tri_value == 2:
834         sym = node.item.selection
863     item = node.item
865     if item in (MENU, COMMENT) or not item.orig_type:
868     if item.orig_type in (STRING, INT, HEX):
873     if _is_y_mode_choice_sym(item):
875         return "selected" if item.choice.selection is item else "not-selected"
877     if len(item.assignable) <= 1:
879         return "" if isinstance(item, Choice) else item.str_value + "-locked"
881     if item.type == BOOL:
882         return item.str_value + "-bool"
885     if item.assignable == (1, 2):
886         return item.str_value + "-my"
887     return item.str_value + "-tri"
890 def _is_y_mode_choice_sym(item):  argument
894     return isinstance(item, Symbol) and item.choice and item.visibility == 2
902         item = tree.identify_row(event.y)
905         _select(tree, item)
906         _change_node(_id_to_node[item], tree.winfo_toplevel())
1001     sc = node.item
1016 def _tree_toggle_open(item):  argument
1019     if _tree.item(item, "open"):
1020         _tree.item(item, open=False)
1022         node = _id_to_node[item]
1023         if not isinstance(node.item, Symbol):
1026         _tree.item(item, open=True)
1038             sc = _id_to_node[sel].item
1058     if not isinstance(node.item, Symbol):
1070 def _item_row(item):  argument
1080         prev = _tree.prev(item)
1082             item = prev
1083             row += _n_rows(item)
1085             item = _tree.parent(item)
1086             if not item:
1091 def _n_rows(item):  argument
1097     if _tree.item(item, "open"):
1098         for child in _tree.get_children(item):
1104 def _attached(item):  argument
1109     return bool(_tree.next(item) or _tree.prev(item) or _tree.parent(item))
1121     sc = node.item
1199     sym = node.item
1591 def _select(tree, item):  argument
1594     tree.selection_set(item)
1595     tree.focus(item)
1596     tree.see(item)
1620     item = _loc_ref_item()
1622     vis_before = _vis_before(item)
1626     vis_after = _vis_after(item)
1633 def _vis_before(item):  argument
1637     while item:
1638         if not _tree.tag_has("invisible", item):
1639             return item
1641         prev = _tree.prev(item)
1642         item = prev if prev else _tree.parent(item)
1647 def _vis_after(item):  argument
1651     while item:
1652         if not _tree.tag_has("invisible", item):
1653             return item
1655         next = _tree.next(item)
1657             item = next
1659             item = _tree.parent(item)
1660             if not item:
1662             item = _tree.next(item)
1882         sc = node.item
1915         item = id(_jump_to_matches[0])
1916         _jump_to_tree.selection_set(item)
1917         _jump_to_tree.focus(item)
1925     item = _jump_to_tree.item
1931         item(id_(node),
2004         if not _tree.item(id(parent), "open"):
2010                 if not isinstance(parent.item, Symbol):
2043     if isinstance(node.item, Symbol):
2044         sym = node.item
2055     if isinstance(node.item, Choice):
2056         choice = node.item
2236 def _kconfig_def_info(item):  argument
2240     nodes = [item] if isinstance(item, MenuNode) else item.nodes
2282                          standard_sc_expr_str(node.item)) + path