Method next

libs/scrap/src/x11/iter.rs:61–95

(&mut self)

    type Item = Display;

    fn next(&mut self) -> Option<Display> {
        loop {
            if let Some((ref mut inner, root)) = self.inner {
                // If there is something in the current screen, return that.
                if inner.rem != 0 {
                    unsafe {
                        let data = &*inner.data;
                        let name = get_atom_name(self.server.raw(), data.name);

                        let display = Display::new(
                            self.server.clone(),
                            data.primary != 0,
                            Rect {
                                x: data.x,
                                y: data.y,
                                w: data.width,
                                h: data.height,
                            },
                            root,
                            name,
                        );

                        xcb_randr_monitor_info_next(inner);
                        return Some(display);
                    }
                }
            } else {
                // If there is no current screen, the screen iterator is empty.
                return None;
            }

            // The current screen was empty, so try the next screen.
            self.inner = Self::next_screen(&mut self.outer, &self.server);
        }
    }
}

fn get_atom_name(conn: *mut xcb_connection_t, atom: xcb_atom_t) -> String {