[clutter] x11: Reset scroll valuators

[Emmanuele Bassi <ebassi src gnome org>]

commit 1c500f7de9d02c826e333e7dfd90aa8bb677d484
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Mar 19 14:27:54 2012 +0000

    x11: Reset scroll valuators
    
    We need to clear up the state on enter and leave, as well as when the X
    server tells us that the device has changed.

 clutter/x11/clutter-device-manager-xi2.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/clutter/x11/clutter-device-manager-xi2.c b/clutter/x11/clutter-device-manager-xi2.c
index bdbe536..da669bb 100644
--- a/clutter/x11/clutter-device-manager-xi2.c
+++ b/clutter/x11/clutter-device-manager-xi2.c
@@ -672,6 +672,7 @@ clutter_device_manager_xi2_translate_event (ClutterEventTranslator *translator,
         device = g_hash_table_lookup (manager_xi2->devices_by_id,
                                       GINT_TO_POINTER (xev->deviceid));
         _clutter_input_device_reset_axes (device);
+        _clutter_input_device_reset_scroll_info (device);
         translate_device_classes (backend_x11->xdpy,
                                   device,
                                   xev->classes,
@@ -990,6 +991,8 @@ clutter_device_manager_xi2_translate_event (ClutterEventTranslator *translator,
             _clutter_stage_remove_device (stage, device);
           }
 
+        _clutter_input_device_reset_scroll_info (source_device);
+
         clutter_event_set_device (event, device);
         clutter_event_set_source_device (event, source_device);