User can switch components. - component_manager will change domview._scenes_node and domview._layers_parent for switching component and timeline. - domview relys on domview._scenes_node and domview._layers_parent to find scene nodes and layers.

divert([-1])

define([_arg1], [$1])

define([_foreach], [ifelse([$2], [()], [],
[define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])

define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])

divert[]dnl