GUIComponent *GUIComponent::get_top_level_component()
{
GUIComponent *parent = this;
while (true)
{
if (parent->get_parent_component())
parent = parent->get_parent_component();
else
break;
}
return parent;
}
GUIComponent *GUIComponent::get_next_component_in_tree()
{
if (has_child_components())
return get_first_child();
if (impl->next_sibling)
return impl->next_sibling;
GUIComponent *parent = impl->parent;
while (parent)
{
if (parent->get_next_sibling())
return parent->get_next_sibling();
parent = parent->get_parent_component();
}
// Reached end of tree. Return first item.
return get_top_level_component();
}