[ Version ( since = "3.2" ) ]
public void add_overlay (Widget widget)
Adds widget to this.
The widget will be stacked on top of the main widget added with [method@Gtk.Overlay.set_child].
The position at which widget is placed is determined from its [property@Gtk.Widget:halign] and [property@Gtk.Widget:valign]
properties.
| this |
a `GtkOverlay` |
| widget |
a `GtkWidget` to be added to the container |