a11y: Skip non-presented children when required

Whenever we determine the index of a child, we need
to skip its non-presented siblings.

diff --git a/gtk/a11y/gtkatspicontext.c b/gtk/a11y/gtkatspicontext.c
index 18a1d7ff9c55a26819b3bc96038dc41b73f32199..2e838b1ef63bdbdb5b08b41dcaa8de29765df174 100644 (file)
--- a/gtk/a11y/gtkatspicontext.c
+++ b/gtk/a11y/gtkatspicontext.c
@@ -1168,6 +1168,9 @@ gtk_at_spi_context_child_change (GtkATContext             *ctx,
            iter != NULL;
            iter = gtk_widget_get_next_sibling (iter))
         {
+          if (!gtk_accessible_should_present (GTK_ACCESSIBLE (iter)))
+            continue;
+
           if (iter == child_widget)
             break;