[gnome-terminal] notebook: Fix scroll event handling

[Christian Persch <chpe src gnome org>]

commit ce715cc2ddd5a1fb0b00e0c2d3d2ce654db96540
Author: Christian Persch <chpe gnome org>
Date:   Thu Jan 17 14:23:20 2013 +0100

    notebook: Fix scroll event handling
    
    Chain up to the proper handler.

 src/terminal-notebook.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/terminal-notebook.c b/src/terminal-notebook.c
index fb348e6..08e879c 100644
--- a/src/terminal-notebook.c
+++ b/src/terminal-notebook.c
@@ -318,9 +318,12 @@ terminal_notebook_scroll_event (GtkWidget      *widget,
 {
   GtkNotebook *notebook = GTK_NOTEBOOK (widget);
   gboolean (* scroll_event) (GtkWidget *, GdkEventScroll *) =
-    GTK_WIDGET_GET_CLASS (widget)->scroll_event;
+    GTK_WIDGET_GET_CLASS (terminal_notebook_parent_class)->scroll_event;
   GtkWidget *child, *event_widget, *action_widget;
 
+  if ((event->state & gtk_accelerator_get_default_mod_mask ()) != 0)
+    goto chain_up;
+
   child = gtk_notebook_get_nth_page (notebook, gtk_notebook_get_current_page (notebook));
   if (child == NULL)
     goto chain_up;