add_overlay

Description:

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.

Parameters:

this

a `GtkOverlay`
widget

a `GtkWidget` to be added to the container