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a11y: Set up controls relations for scrollbars

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GtkScrolledWindow knows what its scrollbars control,
so set up the accessible relations for this.
This commit is contained in:
Matthias Clasen 2020-07-28 15:56:30 -04:00
parent efd4169fa2
commit 971ee2d28a
1 changed files with 10 additions and 0 deletions
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10
gtk/gtkscrolledwindow.c
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@ -4139,6 +4139,7 @@ gtk_scrolled_window_set_child (GtkScrolledWindow *scrolled_window,
{
GtkScrolledWindowPrivate *priv = gtk_scrolled_window_get_instance_private (scrolled_window);
GtkWidget *scrollable_child;
GList *list;
g_return_if_fail (GTK_IS_SCROLLED_WINDOW (scrolled_window));
@ -4194,6 +4195,15 @@ gtk_scrolled_window_set_child (GtkScrolledWindow *scrolled_window,
NULL);
}
list = g_list_append (NULL, priv->child);
gtk_accessible_update_relation (GTK_ACCESSIBLE (priv->hscrollbar),
GTK_ACCESSIBLE_RELATION_CONTROLS, list,
-1);
gtk_accessible_update_relation (GTK_ACCESSIBLE (priv->vscrollbar),
GTK_ACCESSIBLE_RELATION_CONTROLS, list,
-1);
g_list_free (list);
g_object_notify_by_pspec (G_OBJECT (scrolled_window), properties[PROP_CHILD]);
}