pub fn get_screens_area_dimensions(&self) -> Result<(i32, i32)> {
        let mut height = 0;
        let mut width = 0;
        for s in self.get_screens()? {
            height = std::cmp::max(height, s.bbox.height + s.bbox.y);
            width = std::cmp::max(width, s.bbox.width + s.bbox.x);
        }
        Ok((height, width))
    }
Returns the dimensions of the screens.
display-servers/x11rb-display-server/src/xwrap/getters.rs