Gets the current popup surface anchor.
The value returned may change after calling [method@Gdk.Popup.present], or after the [signal@Gdk.Surface::layout] signal is emitted.
the current surface anchor value of @popup
See Implementation
Gets the current popup surface anchor.
The value returned may change after calling [method@Gdk.Popup.present], or after the [signal@Gdk.Surface::layout] signal is emitted.