Replace checkbox-treeview functions with a object PsppireCheckboxTreeview

[pspp] / src / ui / gui / psppire-data-window.c

diff --git a/src/ui/gui/psppire-data-window.c b/src/ui/gui/psppire-data-window.c
index 23f89a3b8c5fb76559087519f341d7b9420a29bd..bb6c1ac892936f2bfac1049bb8b426359a45257f 100644 (file)
--- a/src/ui/gui/psppire-data-window.c
+++ b/src/ui/gui/psppire-data-window.c
@@ -1,5 +1,5 @@
 /* PSPPIRE - a graphical user interface for PSPP.
-   Copyright (C) 2008, 2009, 2010, 2011, 2012  Free Software Foundation
+   Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013  Free Software Foundation
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -1095,6 +1095,15 @@ psppire_data_window_dispose (GObject *object)
 
   if (dw->dict)
     {
+      g_signal_handlers_disconnect_by_func (dw->dict,
+                                            G_CALLBACK (enable_save), dw);
+      g_signal_handlers_disconnect_by_func (dw->dict,
+                                            G_CALLBACK (on_weight_change), dw);
+      g_signal_handlers_disconnect_by_func (dw->dict,
+                                            G_CALLBACK (on_filter_change), dw);
+      g_signal_handlers_disconnect_by_func (dw->dict,
+                                            G_CALLBACK (on_split_change), dw);
+
       g_object_unref (dw->dict);
       dw->dict = NULL;
     }
@@ -1239,7 +1248,7 @@ psppire_data_window_new (struct dataset *ds)
   GtkWidget *dw;
 
   if (the_session == NULL)
-    the_session = session_create ();
+    the_session = session_create (NULL);
 
   if (ds == NULL)
     {