Claim ownership of a given selection for a particular widget, or, if widget is NULL, release ownership of the selection. Since 2.2
the GdkDisplay where the selection is set
new selection owner (a GtkWidget), or NULL. [allow-none]
an interned atom representing the selection to claim.
timestamp with which to claim the selection
TRUE if the operation succeeded
See Implementation
Claim ownership of a given selection for a particular widget, or, if widget is NULL, release ownership of the selection. Since 2.2