Returns the gtk.entry.Entry which is currently in use as interactive search entry for tree_view. In case the built-in entry is being used, null will be returned.
the entry currently in use as search entry.
Deprecated: Use gtk.list_view.ListView or gtk.column_view.ColumnView instead
Returns the gtk.entry.Entry which is currently in use as interactive search entry for tree_view. In case the built-in entry is being used, null will be returned.