Regression Dialog: Reduce the size of the Independent Variables widget.
[pspp] / src / ui / gui / psppire-spreadsheet-model.c
index d426b556616d143870eb6f0ce096894425b1d3f8..d946197262fe4ac7c01db4db4473e2ca68dec57f 100644 (file)
 #include "psppire-spreadsheet-model.h"
 #include "data/spreadsheet-reader.h"
 
-
-static void psppire_spreadsheet_model_init (PsppireSpreadsheetModel *
-                                            spreadsheetModel);
-static void psppire_spreadsheet_model_class_init (PsppireSpreadsheetModelClass
-                                                  * class);
-
 static void psppire_spreadsheet_model_finalize (GObject * object);
 static void psppire_spreadsheet_model_dispose (GObject * object);
 
 static GObjectClass *parent_class = NULL;
 
-
 static void spreadsheet_tree_model_init (GtkTreeModelIface * iface);
 
-
-GType
-psppire_spreadsheet_model_get_type (void)
-{
-  static GType object_type = 0;
-
-  if (!object_type)
-    {
-      static const GTypeInfo spreadsheet_model_info = {
-        sizeof (PsppireSpreadsheetModelClass),
-        NULL,                   /* base_init */
-        NULL,                   /* base_finalize */
-        (GClassInitFunc) psppire_spreadsheet_model_class_init,
-        NULL,                   /* class_finalize */
-        NULL,                   /* class_data */
-        sizeof (PsppireSpreadsheetModel),
-        0,
-        (GInstanceInitFunc) psppire_spreadsheet_model_init,
-      };
-
-      static const GInterfaceInfo tree_model_info = {
-        (GInterfaceInitFunc) spreadsheet_tree_model_init,
-        NULL,
-        NULL
-      };
-
-      object_type = g_type_register_static (G_TYPE_OBJECT,
-                                            "PsppireSpreadsheetModel",
-                                            &spreadsheet_model_info, 0);
-
-      g_type_add_interface_static (object_type, GTK_TYPE_TREE_MODEL,
-                                   &tree_model_info);
-    }
-
-  return object_type;
-}
-
+G_DEFINE_TYPE_WITH_CODE (PsppireSpreadsheetModel,\
+                        psppire_spreadsheet_model,\
+                        G_TYPE_OBJECT,
+                        G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
+                                               spreadsheet_tree_model_init))
 
 /* Properties */
 enum
@@ -137,7 +98,7 @@ psppire_spreadsheet_model_finalize (GObject * object)
 static void
 psppire_spreadsheet_model_class_init (PsppireSpreadsheetModelClass * class)
 {
-  GObjectClass *object_class;
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
 
   GParamSpec *spreadsheet_spec = g_param_spec_pointer ("spreadsheet",
                                                        "Spreadsheet",
@@ -146,7 +107,7 @@ psppire_spreadsheet_model_class_init (PsppireSpreadsheetModelClass * class)
                                                        | G_PARAM_WRITABLE);
 
   parent_class = g_type_class_peek_parent (class);
-  object_class = (GObjectClass *) class;
+
 
   object_class->set_property = psppire_spreadsheet_model_set_property;
 
@@ -229,13 +190,10 @@ tree_model_get_iter (GtkTreeModel * model, GtkTreeIter * iter,
 static gboolean
 tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
 {
-  PsppireSpreadsheetModel *spreadsheetModel =
-    PSPPIRE_SPREADSHEET_MODEL (model);
+  PsppireSpreadsheetModel *spreadsheetModel = PSPPIRE_SPREADSHEET_MODEL (model);
+  g_assert (iter);
   g_return_val_if_fail (iter->stamp == spreadsheetModel->stamp, FALSE);
 
-  if (iter == NULL)
-    return FALSE;
-
   if ((intptr_t) iter->user_data >= spreadsheetModel->spreadsheet->n_sheets - 1)
     {
       iter->user_data = NULL;
@@ -243,7 +201,7 @@ tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
       return FALSE;
     }
 
-  iter->user_data++;
+  iter->user_data = GINT_TO_POINTER (GPOINTER_TO_INT (iter->user_data) + 1);
 
   return TRUE;
 }