Enum PopupWindowLocation 

pub enum PopupWindowLocation {
    TopLevel(Rc<dyn WindowAdapter>),
    ChildWindow(LogicalPoint),
}

This enum describes the different ways a popup can be rendered by the back-end.

Variants

TopLevel(Rc<dyn WindowAdapter>)

The popup is rendered in its own top-level window that is know to the windowing system.

ChildWindow(LogicalPoint)

The popup is rendered as an embedded child window at the given position.