Reduce the flicker when redrawing the toolbar and menubar.

[pspp] / src / ui / gui / pspp-sheet-view.c

diff --git a/src/ui/gui/pspp-sheet-view.c b/src/ui/gui/pspp-sheet-view.c
index 8cf47564ae4e92642360cf869519ba836c4895d2..51ceafcc6f4333c052e6c6ba14b25bef6c88ef03 100644 (file)
--- a/src/ui/gui/pspp-sheet-view.c
+++ b/src/ui/gui/pspp-sheet-view.c
@@ -1276,18 +1276,6 @@ pspp_sheet_view_finalize (GObject *object)
       tree_view->priv->selected = NULL;
     }
 
-  if (tree_view->priv->columns != NULL)
-    {
-      list = tree_view->priv->columns;
-      while (list)
-       {
-         PsppSheetViewColumn *column;
-         column = PSPP_SHEET_VIEW_COLUMN (list->data);
-         list = list->next;
-         pspp_sheet_view_remove_column (tree_view, column);
-       }
-      tree_view->priv->columns = NULL;
-    }
 
   tree_view->priv->prelight_node = -1;
 
@@ -1595,6 +1583,19 @@ pspp_sheet_view_unrealize (GtkWidget *widget)
   for (x = 0 ; x < 5 ; ++x)
     g_object_unref (priv->grid_line_gc[x]);
 
+  if (tree_view->priv->columns != NULL)
+    {
+      list = tree_view->priv->columns;
+      while (list)
+       {
+         PsppSheetViewColumn *column;
+         column = PSPP_SHEET_VIEW_COLUMN (list->data);
+         list = list->next;
+         pspp_sheet_view_remove_column (tree_view, column);
+       }
+      tree_view->priv->columns = NULL;
+    }
+
   GTK_WIDGET_CLASS (pspp_sheet_view_parent_class)->unrealize (widget);
 }
 
@@ -9233,7 +9234,8 @@ pspp_sheet_view_remove_column (PsppSheetView       *tree_view,
        }
 
       if (tree_view->priv->n_columns == 0 &&
-         pspp_sheet_view_get_headers_visible (tree_view))
+         pspp_sheet_view_get_headers_visible (tree_view) && 
+         tree_view->priv->header_window)
        gdk_window_hide (tree_view->priv->header_window);
 
       gtk_widget_queue_resize (GTK_WIDGET (tree_view));