selection_owner_set_for_display

function selection_owner_set_for_display(display:Gdk.Display, widget:Gtk.Widget, selection:Gdk.Atom, time_:guint32):Boolean {
    // Gjs wrapper for gtk_selection_owner_set_for_display()
}

Claim ownership of a given selection for a particular widget, or, if widget is null, release ownership of the selection.

Since 2.2

display: the Gdk.Display where the selection is set
widget: new selection owner (a Gtk.Widget), or null.
selection: an interned atom representing the selection to claim.
time_: timestamp with which to claim the selection
Returns: TRUE if the operation succeeded