--- a/gtk/gtknotebook.c	2012-04-13 13:25:05.000000000 +0300
+++ b/gtk/gtknotebook.c	2012-04-13 13:44:20.000000000 +0300
@@ -304,6 +304,9 @@
                                                       GtkWidget    *child,
                                                       gboolean     *expand,
                                                       gboolean     *fill);
+static gboolean gtk_notebook_scroll          (GtkWidget        *widget,
+                                              GdkEventScroll   *event);
+
 
 /*** GObject Methods ***/
 static void gtk_notebook_set_property        (GObject         *object,
@@ -665,6 +668,7 @@
   widget_class->drag_data_received = gtk_notebook_drag_data_received;
   widget_class->drag_failed = gtk_notebook_drag_failed;
   widget_class->compute_expand = gtk_notebook_compute_expand;
+  widget_class->scroll_event = gtk_notebook_scroll;
 
   container_class->add = gtk_notebook_add;
   container_class->remove = gtk_notebook_remove;
@@ -1893,7 +1897,8 @@
   attributes.event_mask = gtk_widget_get_events (widget);
   attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
                             GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK |
-                            GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK);
+			    GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK |
+			    GDK_SCROLL_MASK);
   attributes_mask = GDK_WA_X | GDK_WA_Y;
 
   priv->event_window = gdk_window_new (gtk_widget_get_parent_window (widget),
@@ -2858,6 +2863,52 @@
     return FALSE;
 }
 
+static gboolean
+gtk_notebook_scroll (GtkWidget      *widget,
+                     GdkEventScroll *event)
+{
+  GtkNotebook *notebook = GTK_NOTEBOOK (widget);
+  GtkNotebookPrivate *priv = notebook->priv;
+  GtkWidget *child, *event_widget;
+  gint i;
+
+  if (!priv->cur_page)
+    return FALSE;
+
+  child = priv->cur_page->child;
+  event_widget = gtk_get_event_widget ((GdkEvent *)event);
+
+  /* ignore scroll events from the content of the page */
+  if (!event_widget || gtk_widget_is_ancestor (event_widget, child) || event_widget == child)
+    return FALSE;
+
+  /* nor from the action area */
+  for (i = 0; i < 2; i++)
+    {
+      if (event_widget == priv->action_widget[i] ||
+          (priv->action_widget[i] &&
+           gtk_widget_is_ancestor (event_widget, priv->action_widget[i])))
+        return FALSE;
+    }
+
+  switch (event->direction)
+    {
+    case GDK_SCROLL_RIGHT:
+    case GDK_SCROLL_DOWN:
+      gtk_notebook_next_page (notebook);
+      break;
+    case GDK_SCROLL_LEFT:
+    case GDK_SCROLL_UP:
+      gtk_notebook_prev_page (notebook);
+      break;
+    case GDK_SCROLL_SMOOTH:
+      /* Ignore smooth scrolling (-Wswitch) */
+      break;
+    }
+
+  return TRUE;
+}
+
 static GList*
 get_tab_at_pos (GtkNotebook *notebook, gint x, gint y)
 {