[gtk+] gdk: deal with GDK_SMOOTH_SCROLL events as not having a direction

[Matthias Clasen <matthiasc src gnome org>]

commit f47e470e586bd2d43b3509ff069ecd09716beaa8
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Jan 23 23:51:24 2012 +0100

    gdk: deal with GDK_SMOOTH_SCROLL events as not having a direction
    
    gdk_event_get_scroll_direction() will return FALSE on these, so
    gdk_event_get_scroll_deltas() has to be used to retrieve dx/dy

 gdk/gdkevents.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 7abd956..db37512 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -1196,7 +1196,10 @@ gdk_event_get_scroll_direction (const GdkEvent *event,
   switch (event->type)
     {
     case GDK_SCROLL:
-      dir = event->scroll.direction;
+      if (event->scroll.direction == GDK_SCROLL_SMOOTH)
+        fetched = FALSE;
+      else
+        dir = event->scroll.direction;
       break;
     default:
       fetched = FALSE;