[glade] GladeDesignLayout: use new api to check if a widget has a name

[Juan Pablo Ugarte <jpu src gnome org>]

commit 1522c95d5d032d86aca0eebbc1f7603b8b70db9d
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Thu Jan 28 10:07:42 2016 -0300

    GladeDesignLayout: use new api to check if a widget has a name

 gladeui/glade-design-layout.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/gladeui/glade-design-layout.c b/gladeui/glade-design-layout.c
index 733ef46..500720f 100644
--- a/gladeui/glade-design-layout.c
+++ b/gladeui/glade-design-layout.c
@@ -948,15 +948,15 @@ update_widget_name (GladeDesignLayout *layout, GladeWidget *gwidget)
 
   if (priv->widget_name && gwidget)
     {
-      gchar *name = glade_widget_get_name (gwidget);
-
-      if (g_str_has_prefix (name, GLADE_UNNAMED_PREFIX))
+      if (glade_widget_has_name (gwidget))
+        {
+          pango_layout_set_text (priv->widget_name, glade_widget_get_display_name (gwidget), -1);
+        }
+      else
         {
           GladeWidgetAdaptor *adaptor = glade_widget_get_adaptor (gwidget);
           pango_layout_set_text (priv->widget_name, glade_widget_adaptor_get_name (adaptor), -1);
         }
-      else
-        pango_layout_set_text (priv->widget_name, name, -1);
 
       gtk_widget_queue_resize (GTK_WIDGET (layout));
     }