[clutter] gdk: Relay scroll delta from GDK

[Emmanuele Bassi <ebassi src gnome org>]

commit ab3582be1cca307350389ca6bcb326b4fce35d73
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Mar 19 12:19:26 2012 +0000

    gdk: Relay scroll delta from GDK

 clutter/gdk/clutter-event-gdk.c |    3 +++
 clutter/gdk/clutter-stage-gdk.h |    3 ++-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/clutter/gdk/clutter-event-gdk.c b/clutter/gdk/clutter-event-gdk.c
index 4e0e22f..3276996 100644
--- a/clutter/gdk/clutter-event-gdk.c
+++ b/clutter/gdk/clutter-event-gdk.c
@@ -258,6 +258,9 @@ clutter_gdk_handle_event (GdkEvent *gdk_event)
       event->scroll.direction = gdk_event->scroll.direction;
       clutter_event_set_device (event, device);
       clutter_event_set_source_device (event, source_device);
+      clutter_event_set_scroll_delta (event,
+                                      gdk_event->scroll.delta_x,
+                                      gdk_event->scroll.delta_y);
       break;
 
     case GDK_WINDOW_STATE:
diff --git a/clutter/gdk/clutter-stage-gdk.h b/clutter/gdk/clutter-stage-gdk.h
index 8c4cb20..4004955 100644
--- a/clutter/gdk/clutter-stage-gdk.h
+++ b/clutter/gdk/clutter-stage-gdk.h
@@ -68,7 +68,8 @@ struct _ClutterStageGdkClass
    GDK_KEY_RELEASE_MASK |	     \
    GDK_BUTTON_PRESS_MASK |	     \
    GDK_BUTTON_RELEASE_MASK |	     \
-   GDK_POINTER_MOTION_MASK)
+   GDK_POINTER_MOTION_MASK |         \
+   GDK_SCROLL_MASK)
 
 GType _clutter_stage_gdk_get_type (void) G_GNUC_CONST;