'File was renamed in file explorer widget or in project explorer'

def renamed(self, source, dest):

    filename = osp.abspath(to_text_string(source))
    index = self.editorstacks[0].has_filename(filename)
    if (index is not None):
        for editorstack in self.editorstacks:
            editorstack.rename_in_data(index, new_filename=to_text_string(dest))
