def build_message(self):
        """Build text object to inform user of controls."""
        ### create a single help text object in which
        ### to blit all the text from the text objects,
        ### storing it in its own attribute

        self.help_text_obj = Object2D.from_surface(
            render_multiline_text(
                text=HELP_TEXT,
                **HELP_TEXT_KWARGS,
            )
        )

        ### also draw a border on the help text object

        draw_border(
            self.help_text_obj.image, color=TEXT_VIEWER_HELP_BORDER, thickness=2
        )
Build text object to inform user of controls.
nodezator/textman/viewer/main.py