[gimp] app: in gimp_widget_blink(), cancel blinking of parent widgets

[Ell <ell src gnome org>]

commit fe139e566293337fa8e7a4ae64e2e00dc6fe3eaa
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.

 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 d435aac872..9e6edaecad 100644
--- a/app/widgets/gimpwidgets-utils.c
+++ b/app/widgets/gimpwidgets-utils.c
@@ -1357,6 +1357,9 @@ gimp_widget_blink (GtkWidget *widget)
                                      widget);
 
   gimp_highlight_widget (widget, TRUE);
+
+  while ((widget = gtk_widget_get_parent (widget)))
+    gimp_widget_blink_cancel (widget);
 }
 
 void