[gtk+] Make overlay scrollbar fading interruptible

[Matthias Clasen <matthiasc src gnome org>]

commit a7173d097f4fc7a01141f16c4087d88af8f44559
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Nov 14 11:49:33 2014 -0500

    Make overlay scrollbar fading interruptible
    
    When the pointer starts hovering the scrollbar after it already
    started fading out, interrupt the fade and keep the scrollbar
    around.

 gtk/gtkscrolledwindow.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index 4ca59a7..afaf69f 100644
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -3519,6 +3519,7 @@ indicator_enter_notify (GtkWidget        *scrollbar,
   gtk_style_context_add_class (context, "hovering");
   gtk_widget_queue_resize (scrollbar);
   indicator->over = TRUE;
+  indicator_start_fade (indicator, 1.0);
 
   return G_SOURCE_CONTINUE;
 }