def METHOD_NAME(self) -> None:
    self.tag_config(
        "sel",
        font=(
            global_settings.get("font_family", str),
            round(global_settings.get("font_size", int) / 3),
            (),
        ),
    )
    textutils.config_tab_displaying(self, self._tab.settings.get("indent_size", int), tag="sel")
    self._update_lines()