Claim ownership of a given selection for a particular widget, or, if widget is NULL, release ownership of the selection.
the gdk.Display where the selection is set
new selection owner (a gtk.Widget), or NULL.
an interned atom representing the selection to claim.
timestamp with which to claim the selection
TRUE if the operation succeeded
2.2
Claim ownership of a given selection for a particular widget, or, if widget is NULL, release ownership of the selection.