[datasets 06/18] gui: Use dispose instead of finalize method in PsppireDataWindow.

[Ben Pfaff]

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.
---
 src/ui/gui/psppire-data-window.c |   40 +++++++++++++++++--------------------
 1 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/src/ui/gui/psppire-data-window.c b/src/ui/gui/psppire-data-window.c
index e7506d2..9edc920 100644
--- 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,
@@ -120,30 +120,13 @@ 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;
 }
 
 
@@ -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)
-- 
1.7.2.5