'A file was saved in editorstack, this notifies others'

@Slot(str, int, str)
def file_saved_in_editorstack(self, editorstack_id_str, index, filename):

    for editorstack in self.editorstacks:
        if (str(id(editorstack)) != editorstack_id_str):
            editorstack.file_saved_in_other_editorstack(index, filename)
