def METHOD_NAME(self):
    data_dir = os.path.dirname(__file__)
    self.canvas.add_button(
        CanvasButton(
            os.path.join(data_dir, "edit-copy.svg"),
            self.do_copy,
            [],
            label="Copy",
            x=150,
            y=150,
        )
    )
    self.canvas.add_button(
        CanvasButton(
            os.path.join(data_dir, "edit-paste.svg"),
            self.do_paste,
            [],
            label="Paste",
            x=250,
            y=150,
        )
    )