gui: Use dispose instead of finalize method in PsppireDataWindow.

According to the GObject reference manual, "When dispose ends, the
object should not hold any reference to any other member object."
That is, references should be dropped in dispose, not in finalize.

diff --git a/src/ui/gui/psppire-data-window.c b/src/ui/gui/psppire-data-window.c
index e7506d261d05595ea33bfa569aa8a7900f400787..9edc9208ac86a9c3db353e45753d38095da6d08a 100644 (file)
--- a/src/ui/gui/psppire-data-window.c
+++ b/src/ui/gui/psppire-data-window.c
@@ -69,13 +69,13 @@
 
 
 
-static void psppire_data_window_base_init     (PsppireDataWindowClass *class);
 static void psppire_data_window_class_init    (PsppireDataWindowClass *class);
 static void psppire_data_window_init          (PsppireDataWindow      *data_editor);
 
 
 static void psppire_data_window_iface_init (PsppireWindowIface *iface);
 
+static void psppire_data_window_dispose (GObject *object);
 
 GType
 psppire_data_window_get_type (void)
@@ -87,7 +87,7 @@ psppire_data_window_get_type (void)
       static const GTypeInfo psppire_data_window_info =
        {
          sizeof (PsppireDataWindowClass),
-         (GBaseInitFunc) psppire_data_window_base_init,
+         NULL,
          NULL,
          (GClassInitFunc)psppire_data_window_class_init,
          (GClassFinalizeFunc) NULL,
@@ -119,31 +119,14 @@ psppire_data_window_get_type (void)
 
 static GObjectClass *parent_class ;
 
-static void
-psppire_data_window_finalize (GObject *object)
-{
-  PsppireDataWindow *de = PSPPIRE_DATA_WINDOW (object);
-
-  g_object_unref (de->builder);
-
-  if (G_OBJECT_CLASS (parent_class)->finalize)
-    (*G_OBJECT_CLASS (parent_class)->finalize) (object);
-}
-
-
 static void
 psppire_data_window_class_init (PsppireDataWindowClass *class)
-{
-  parent_class = g_type_class_peek_parent (class);
-}
-
-
-static void
-psppire_data_window_base_init (PsppireDataWindowClass *class)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (class);
 
-  object_class->finalize = psppire_data_window_finalize;
+  parent_class = g_type_class_peek_parent (class);
+
+  object_class->dispose = psppire_data_window_dispose;
 }
 \f
 
@@ -1234,6 +1217,19 @@ psppire_data_window_init (PsppireDataWindow *de)
   gtk_widget_show (box);
 }
 
+static void
+psppire_data_window_dispose (GObject *object)
+{
+  PsppireDataWindow *dw = PSPPIRE_DATA_WINDOW (object);
+
+  if (dw->builder != NULL)
+    {
+      g_object_unref (dw->builder);
+      dw->builder = NULL;
+    }
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
 
 GtkWidget*
 psppire_data_window_new (void)