void LayoutBox::AddChild (IWidget& child, Align align)
{
BaseWidget::AddChild (child);
items_.Add (&child, align);
if (child.IsFocusable ())
focusables_.Add (&child);
GeneratePosition ();
}
void LayoutBox::RemoveChild (IWidget& child)
{
BaseWidget::RemoveChild (child);
items_.Remove (&child);
if (child.IsFocusable ())
focusables_.Remove (&child);
GeneratePosition ();
}