[gimp/gimp-2-10] app: in gimp_widget_blink(), cancel blinking of parent widgets

[Ell <ell src gnome org>]

commit 66a9dffa2e273f8e1c83d1856bdc6d9a95f01948
Author: Ell <ell_se yahoo com>
Date:   Mon Dec 10 07:57:02 2018 -0500

    app: in gimp_widget_blink(), cancel blinking of parent widgets
    
    When blinking a widget using gimp_widget_blink(), cancel the
    blinking of all its ancestors, to reduce visual clutter.
    
    (cherry picked from commit fe139e566293337fa8e7a4ae64e2e00dc6fe3eaa)

 app/widgets/gimpwidgets-utils.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/app/widgets/gimpwidgets-utils.c b/app/widgets/gimpwidgets-utils.c
index 529a453fef..f14f6b1cf5 100644
--- a/app/widgets/gimpwidgets-utils.c
+++ b/app/widgets/gimpwidgets-utils.c
@@ -1496,6 +1496,9 @@ gimp_widget_blink (GtkWidget *widget)
                                      widget);
 
   gimp_highlight_widget (widget, TRUE);
+
+  while ((widget = gtk_widget_get_parent (widget)))
+    gimp_widget_blink_cancel (widget);
 }
 
 void gimp_widget_blink_cancel (GtkWidget *widget)