code: def word_under_mouse_cursor(self):
          
          editor = self._editor
          text_cursor = editor.cursorForPosition(editor._last_mouse_pos)
          text_cursor = self.word_under_cursor(True, text_cursor)
          return text_cursor
docs: Selects the word under the **mouse** cursor.
  
          :return: A QTextCursor with the word under mouse cursor selected.