Create a new popup surface.
The surface will be attached to @parent and can be positioned relative to it using [method@Gdk.Popup.present].
the parent surface to attach the surface to
whether to hide the surface on outside clicks
a new GdkSurface
ConstructionException GTK+ fails to create the object.
See Implementation
Create a new popup surface.
The surface will be attached to @parent and can be positioned relative to it using [method@Gdk.Popup.present].