[gtk+/gtk-3-10] GtkRange: make autoscrolling work for inverted ranges

[Matthias Clasen <matthiasc src gnome org>]

commit cfeceb17b3066dfbf8aaa36a4e1acccbecfc3334
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 3 17:49:38 2014 -0500

    GtkRange: make autoscrolling work for inverted ranges
    
    This problem was discovered in
    https://bugzilla.gnome.org/show_bug.cgi?id=725225

 gtk/gtkrange.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 092dd4b..333d46d 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -3054,9 +3054,9 @@ update_autoscroll_mode (GtkRange *range)
         }
 
       if (pos < SCROLL_EDGE_SIZE)
-        mode = GTK_SCROLL_STEP_BACKWARD;
+        mode = range->priv->inverted ? GTK_SCROLL_STEP_FORWARD : GTK_SCROLL_STEP_BACKWARD;
       else if (pos > (size - SCROLL_EDGE_SIZE))
-        mode = GTK_SCROLL_STEP_FORWARD;
+        mode = range->priv->inverted ? GTK_SCROLL_STEP_BACKWARD : GTK_SCROLL_STEP_FORWARD;
     }
 
   if (mode != range->priv->autoscroll_mode)