[glade/gbinding] Remove g_object_set_data() usage for binding resolution

[Denis Washington <denisw src gnome org>]

commit cfed3c7e9858061827b4b0becd466d250fb04d73
Author: Denis Washington <denisw src gnome org>
Date:   Thu Aug 18 21:57:44 2011 +0200

    Remove g_object_set_data() usage for binding resolution
    
    For Juan. :)

 gladeui/glade-project.c  |   23 ++--------------
 gladeui/glade-property.c |   65 ++++++++++++++++++++++++++++++++++++++++-----
 gladeui/glade-property.h |    1 +
 3 files changed, 61 insertions(+), 28 deletions(-)
---
diff --git a/gladeui/glade-project.c b/gladeui/glade-project.c
index 874ef8d..9068a2d 100644
--- a/gladeui/glade-project.c
+++ b/gladeui/glade-project.c
@@ -1021,13 +1021,13 @@ glade_project_new (void)
  * properties
  */
 static void
-glade_project_fix_props (GladeProject *project)
+glade_project_fix_object_props (GladeProject *project)
 {
   GList *l, *ll, *objects;
   GValue *value;
   GladeWidget *gwidget;
   GladeProperty *property;
-  gchar *txt, *txt2;
+  gchar *txt;
 
   objects = g_list_copy (project->priv->objects);
   for (l = objects; l; l = l->next)
@@ -1059,24 +1059,7 @@ glade_project_fix_props (GladeProject *project)
                                  "glade-loaded-object", NULL);
             }
 
-          if ((txt = g_object_get_data (G_OBJECT (property),
-                                        "glade-source-object")) != NULL &&
-              (txt2 = g_object_get_data (G_OBJECT (property),
-                                         "glade-source-property")) != NULL)
-            {
-              GladeWidget *source_obj;
-              GladeProperty *source_prop;
-
-              source_obj = glade_project_get_widget_by_name (project, txt);
-              if (!source_obj)
-                continue;
-
-              source_prop = glade_widget_get_property (source_obj, txt2);
-              if (!source_prop)
-                continue;
-
-              glade_property_set_binding_source (property, source_prop);
-            }
+          glade_property_resolve_binding (property);
         }
     }
   g_list_free (objects);
diff --git a/gladeui/glade-property.c b/gladeui/glade-property.c
index 402a7d5..df2916b 100644
--- a/gladeui/glade-property.c
+++ b/gladeui/glade-property.c
@@ -115,6 +115,10 @@ struct _GladePropertyPrivate {
                                                 * the property's binding
                                                 */
 
+  /* For resolving a binding source read from a project file */
+  gchar    *binding_source_object_name;
+  gchar    *binding_source_property_name;
+
   /* Used only for translatable strings. */
   guint     i18n_translatable : 1;
   gchar    *i18n_context;
@@ -600,6 +604,10 @@ glade_property_finalize (GObject * object)
       g_value_unset (property->priv->value);
       g_free (property->priv->value);
     }
+  if (property->priv->binding_source_object_name)
+    g_free (property->priv->binding_source_object_name);
+  if (property->priv->binding_source_property_name)
+    g_free (property->priv->binding_source_property_name);
   if (property->priv->binding_targets)
     g_list_free (property->priv->binding_targets);
   if (property->priv->binding_transform_func)
@@ -626,6 +634,8 @@ glade_property_init (GladeProperty * property)
   property->priv->enabled = TRUE;
   property->priv->sensitive = TRUE;
   property->priv->binding_source = NULL;
+  property->priv->binding_source_object_name = NULL;
+  property->priv->binding_source_property_name = NULL;
   property->priv->binding_targets = NULL;
   property->priv->binding_transform_func = NULL;
   property->priv->i18n_translatable = TRUE;
@@ -1290,8 +1300,9 @@ glade_property_write (GladeProperty * property,
  * Read the binding information from @node and save it in
  * the target #GladeProperty of @widget.
  *
- * Note that the actual binding source property will only be
- * resolved after the project is completely loaded.
+ * Note that the actual binding source property will be
+ * resolved by glade_property_resolve_binding() after the
+ * project is completely loaded.
  */
 void
 glade_property_binding_read (GladeXmlNode *node,
@@ -1329,12 +1340,8 @@ glade_property_binding_read (GladeXmlNode *node,
           g_free (transform_func);
         }
 
-      g_object_set_data_full (G_OBJECT (target),
-                              "glade-source-property",
-                              g_strdup (from), g_free);
-      g_object_set_data_full (G_OBJECT (target),
-                              "glade-source-object",
-                              g_strdup (source), g_free);
+      target->priv->binding_source_object_name = g_strdup (source);
+      target->priv->binding_source_property_name = g_strdup (from);
     }
 
   g_free (from);
@@ -1397,6 +1404,48 @@ glade_property_binding_write (GladeProperty   *property,
 }
 
 /**
+ * glade_property_resolve_binding:
+ * @property: a #GladeProperty
+ *
+ * Resolves the binding source of @property if a binding with
+ * @property as target was read by glade_property_binding_read()
+ * during project loading.
+ */
+void
+glade_property_resolve_binding (GladeProperty *property)
+{
+  gchar *source_obj_name, *source_prop_name;
+  GladeWidget *widget;
+  GladeProject *project;
+  GladeWidget *source_obj;
+  GladeProperty *source_prop;
+
+  source_obj_name = property->priv->binding_source_object_name;
+  source_prop_name = property->priv->binding_source_property_name;
+
+  if (!source_obj_name || !source_prop_name)
+    return;
+
+  widget = glade_property_get_widget (property);
+  project = glade_widget_get_project (widget);
+
+  source_obj = glade_project_get_widget_by_name (project, source_obj_name);
+  if (!source_obj)
+    return;
+
+  source_prop = glade_widget_get_property (source_obj, source_prop_name);
+  if (!source_prop)
+    return;
+
+  glade_property_set_binding_source (property, source_prop);
+
+  property->priv->binding_source_object_name = NULL;
+  property->priv->binding_source_property_name = NULL;
+  g_free (source_obj_name);
+  g_free (source_prop_name);
+}
+
+/**
  * glade_property_add_object:
  * @property: a #GladeProperty
  * @object: The #GObject to add
diff --git a/gladeui/glade-property.h b/gladeui/glade-property.h
index d07df44..744771c 100644
--- a/gladeui/glade-property.h
+++ b/gladeui/glade-property.h
@@ -128,6 +128,7 @@ void                    glade_property_binding_write         (GladeProperty
                                                               GladeXmlContext    *context,
                                                               GladeXmlNode       *node);
 
+void                    glade_property_resolve_binding       (GladeProperty      *property);
 
 GladePropertyClass     *glade_property_get_class             (GladeProperty      *property);