warehouse/data/ui/downgrade.blp

using Gtk 4.0;
using Adw 1;

template DowngradeWindow: Adw.Window {
  default-width: 500;
  default-height: 450;
  modal: true;

  Adw.ToolbarView main_toolbar_view {
    [top]
    HeaderBar header_bar {
      show-title-buttons: false;

      [start]
      Button cancel_button {
        label: _("Cancel");
      }

      [end]
      Button apply_button {
        sensitive: false;
        label: _("Downgrade");

        styles [
          "suggested-action"
        ]
      }
    }

    content: Adw.ToastOverlay toast_overlay {
      Stack main_stack {
        Overlay main_overlay {
          [overlay]
          ProgressBar progress_bar {
            pulse-step: 0.7;
            can-target: false;

            styles [
              "osd"
            ]
          }

          Adw.PreferencesPage outerbox {
            Adw.PreferencesGroup {
              Adw.SwitchRow mask_row {
                title: _("Disable Updates");
                active: true;
              }
            }

            Adw.PreferencesGroup versions_group {
              title: _("Select a Release");
              description: _("This will uninstall the current release and install the chosen one instead. Note that downgrading can cause issues.");
            }
          }
        }
      }
    };
  }
}