typeNextBase
fn
gobject.types.GType typeNextBase(gobject.types.GType leafType, gobject.types.GType rootType)Given a leaf_type and a root_type which is contained in its ancestry, return the type that root_type is the immediate parent of. In other words, this function determines the type that is derived directly from root_type which is also a base class of leaf_type. Given a root type and a leaf type, this function can be used to determine the types and order in which the leaf type is descended from the root type.
Parameters
leafType | descendant of root_type and the type to be returned |
rootType | immediate parent of the returned type |
Returns
immediate child of root_type and ancestor of leaf_type