convert_child_path_to_path

Converts child_path to a path relative to this.

That is, child_path points to a path in the child model. The rerturned path will point to the same row in the filtered model. If child_path isn’t a valid path on the child model or points to a row which is not visible in this , then null is returned.

Parameters:

this	A `GtkTreeModelFilter`
child_path	A `GtkTreePath` to convert.

Returns:

A newly allocated `GtkTreePath`