stackswitcher: Use the tablist and tab roles

Set the tablist role on the stackswitcher itself, and
the tab role on the buttons. This is another step towards
implementing the tabs pattern for GtkStack.

diff --git a/gtk/gtkstackswitcher.c b/gtk/gtkstackswitcher.c
index f9316f9a4d6cc4f5f623504b9edcc589aa833a50..e9cbfc9b907dfeba64c76abd300209c1f729ce26 100644 (file)
--- a/gtk/gtkstackswitcher.c
+++ b/gtk/gtkstackswitcher.c
@@ -248,7 +248,9 @@ add_child (guint             position,
   GtkStackPage *page;
   GtkEventController *controller;
 
-  button = gtk_toggle_button_new ();
+  button = g_object_new (GTK_TYPE_TOGGLE_BUTTON,
+                         "accessible-role", GTK_ACCESSIBLE_ROLE_TAB,
+                         NULL);
   gtk_widget_set_focus_on_click (button, FALSE);
 
   controller = gtk_drop_controller_motion_new ();
@@ -498,6 +500,7 @@ gtk_stack_switcher_class_init (GtkStackSwitcherClass *class)
 
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
   gtk_widget_class_set_css_name (widget_class, I_("stackswitcher"));
+  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_TAB_LIST);
 }
 
 /**