Method enter_alt

sdl/src/console.rs:98–109

(&mut self)

    }

    fn enter_alt(&mut self) -> io::Result<()> {
        if self.alt_backup.is_some() {
            return Err(io::Error::new(
                io::ErrorKind::InvalidInput,
                "Cannot nest alternate screens",
            ));
        }

        self.alt_backup = Some((self.fg_color, self.bg_color));

        self.call(Request::EnterAlt)
    }

    fn hide_cursor(&mut self) -> io::Result<()> {
        self.call(Request::HideCursor)