[glade] Make GladeEditable implement GladePropertyEditor implicitly.

[Tristan Van Berkom <tvb src gnome org>]

commit 0b4064434538e7b16ec130452578dfaaf5cb645c
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Sat Apr 13 18:06:37 2013 +0900

    Make GladeEditable implement GladePropertyEditor implicitly.
    
    GladeEditable is a superset of GladePropertyEditor, implementing
    GladeEditable is an implicit implementation of GladePropertyEditor.

 gladeui/glade-editable.c | 24 +++++++++++++++++++++++-
 gladeui/glade-editable.h |  1 -
 2 files changed, 23 insertions(+), 2 deletions(-)
---
diff --git a/gladeui/glade-editable.c b/gladeui/glade-editable.c
index d205c39..2adc96d 100644
--- a/gladeui/glade-editable.c
+++ b/gladeui/glade-editable.c
@@ -33,8 +33,30 @@
 #include "glade-project.h"
 #include "glade-widget.h"
 #include "glade-editable.h"
+#include "glade-property-editor.h"
 
-G_DEFINE_INTERFACE (GladeEditable, glade_editable, GTK_TYPE_WIDGET);
+
+static void glade_editable_property_editor_init (GladePropertyEditorInterface *iface);
+
+G_DEFINE_INTERFACE_WITH_CODE (GladeEditable, glade_editable, GTK_TYPE_WIDGET,
+                             G_IMPLEMENT_INTERFACE (GLADE_TYPE_PROPERTY_EDITOR,
+                                                    glade_editable_property_editor_init));
+
+/*******************************************************************************
+ *                         GladePropertyEditorInterface                        *                             
  
+ *******************************************************************************/
+static void
+glade_editable_property_editor_load (GladePropertyEditor  *editor,
+                                    GladeWidget          *widget)
+{
+  glade_editable_load (GLADE_EDITABLE (editor), widget);
+}
+
+static void
+glade_editable_property_editor_init (GladePropertyEditorInterface *iface)
+{
+  iface->load = glade_editable_property_editor_load;
+}
 
 static GQuark glade_editable_project_quark = 0;
 static GQuark glade_editable_widget_quark = 0;
diff --git a/gladeui/glade-editable.h b/gladeui/glade-editable.h
index 279c9d4..1175810 100644
--- a/gladeui/glade-editable.h
+++ b/gladeui/glade-editable.h
@@ -51,7 +51,6 @@ gboolean     glade_editable_loading        (GladeEditable *editable);
 void         glade_editable_block          (GladeEditable *editable);
 void         glade_editable_unblock        (GladeEditable *editable);
 
-
 G_END_DECLS
 
 #endif /* __GLADE_EDITABLE_H__ */