{
    let window = gtk::ApplicationWindow::builder()
        .application(app)
        .title("Lesavka")
        .default_width(LAUNCHER_DEFAULT_WIDTH)
        .default_height(LAUNCHER_DEFAULT_HEIGHT)
        .resizable(false)
        .build();
    install_css(&window);
    install_window_icon(&window);

    let root = gtk::Box::new(gtk::Orientation::Vertical, 8);
    root.add_css_class("launcher-root");
    root.set_margin_start(10);
    root.set_margin_end(10);
    root.set_margin_top(10);
    root.set_margin_bottom(10);

    let hero = gtk::Box::new(gtk::Orientation::Horizontal, 8);
    hero.set_hexpand(true);

    let brand_box = gtk::Box::new(gtk::Orientation::Vertical, 0);
    brand_box.set_valign(gtk::Align::Center);
    let brand_row = gtk::Box::new(gtk::Orientation::Horizontal, 8);
    brand_row.set_halign(gtk::Align::Start);
    brand_row.set_valign(gtk::Align::Center);
    let brand_icon = gtk::Image::from_icon_name(LESAVKA_ICON_NAME);
    brand_icon.add_css_class("app-logo");
    brand_icon.set_pixel_size(44);
    brand_icon.set_valign(gtk::Align::Center);
    let heading = gtk::Label::new(Some("Lesavka"));
    heading.add_css_class("title-2");
    heading.set_halign(gtk::Align::Start);
    heading.set_valign(gtk::Align::Center);
    let version_tag = gtk::Label::new(Some(&format!("v{}", crate::VERSION)));
    version_tag.add_css_class("version-tag");
    version_tag.set_halign(gtk::Align::Start);
    version_tag.set_valign(gtk::Align::Center);
    brand_row.append(&brand_icon);
    brand_row.append(&heading);
    brand_row.append(&version_tag);
    brand_box.append(&brand_row);
    hero.append(&brand_box);

    let chips = gtk::Box::new(gtk::Orientation::Horizontal, 6);
    chips.set_halign(gtk::Align::End);
    chips.set_hexpand(true);
    let (relay_chip, relay_light, relay_value) = build_status_chip_with_light("Server", "");
    let (routing_chip, routing_light, routing_value) =
        build_status_chip_with_light("Inputs", "Local");
    let (gpio_chip, gpio_light, gpio_value) = build_status_chip_with_light("GPIO", "Unknown");
    let (shortcut_chip, shortcut_value) = build_status_chip("Swap Key", "Pause");
    chips.append(&relay_chip);
    chips.append(&routing_chip);
    chips.append(&gpio_chip);
    chips.append(&shortcut_chip);
    hero.append(&chips);
    root.append(&hero);

    let content = gtk::Box::new(gtk::Orientation::Horizontal, 8);
    content.set_hexpand(true);
    content.set_vexpand(true);
    root.append(&content);

    let workspace = gtk::Box::new(gtk::Orientation::Vertical, 8);
    workspace.set_hexpand(true);
    workspace.set_vexpand(true);
    content.append(&workspace);

    let operations = gtk::Box::new(gtk::Orientation::Vertical, 8);
    operations.set_size_request(OPERATIONS_RAIL_WIDTH, -1);
    operations.set_hexpand(false);
    operations.set_vexpand(true);
    operations.set_valign(gtk::Align::Fill);
    content.append(&operations);

    let display_row = gtk::Box::new(gtk::Orientation::Horizontal, 8);
    display_row.set_hexpand(true);
    display_row.set_vexpand(false);
    display_row.set_valign(gtk::Align::Start);
    display_row.set_homogeneous(true);
    let left_pane = build_display_pane("Left Eye", "/dev/lesavka_l_eye");
    let right_pane = build_display_pane("Right Eye", "/dev/lesavka_r_eye");
    display_row.append(&left_pane.root);
    display_row.append(&right_pane.root);
    workspace.append(&display_row);

    let staging_row = gtk::Box::new(gtk::Orientation::Horizontal, 8);
    staging_row.set_hexpand(true);
    staging_row.set_vexpand(false);
    staging_row.set_valign(gtk::Align::Start);
    staging_row.set_homogeneous(true);
    workspace.append(&staging_row);

    LauncherShellContext {
        window,
        root,
        staging_row,
        operations,
        left_pane,
        right_pane,
        relay_light,
        relay_value,
        routing_light,
        routing_value,
        gpio_light,
        gpio_value,
        shortcut_value,
    }
}