[libadwaita/wip/exalm/a11y-fixes: 9/11] preferences-page: Set accessible role

[Alexander Mikhaylenko <alexm src gnome org>]

commit 91588b0f436b80be71ae1596b468c6834fd91723
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Dec 27 18:06:41 2021 +0500

    preferences-page: Set accessible role

 src/adw-preferences-page.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/src/adw-preferences-page.c b/src/adw-preferences-page.c
index e3170015..52961360 100644
--- a/src/adw-preferences-page.c
+++ b/src/adw-preferences-page.c
@@ -29,6 +29,10 @@
  *
  * `AdwPreferencesPage` has a single CSS node with name `preferencespage`.
  *
+ * ## Accessibility
+ *
+ * `AdwPreferencesPage` uses the `GTK_ACCESSIBLE_ROLE_GROUP` role.
+ *
  * Since: 1.0
  */
 
@@ -214,11 +218,12 @@ adw_preferences_page_class_init (AdwPreferencesPageClass *klass)
 
   gtk_widget_class_set_template_from_resource (widget_class,
                                                "/org/gnome/Adwaita/ui/adw-preferences-page.ui");
-  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
   gtk_widget_class_bind_template_child_private (widget_class, AdwPreferencesPage, box);
   gtk_widget_class_bind_template_child_private (widget_class, AdwPreferencesPage, scrolled_window);
 
   gtk_widget_class_set_css_name (widget_class, "preferencespage");
+  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_GROUP);
+  gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
 }
 
 static void