From 2cb26a040a414cd577fc2458c2025845c3c41b4a Mon Sep 17 00:00:00 2001
From: Ell <ell_se@yahoo.com>
Date: Mon, 27 Feb 2017 05:03:59 -0500
Subject: [PATCH] libgimpwidgets: invalidate the rulers' backdrop when the
 widget style is changed

... in particular, when swithcing themes.

Otherwise, the rulers keep their old, mismatched, style, until the
ticks are updated.
---
 libgimpwidgets/gimpruler.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libgimpwidgets/gimpruler.c b/libgimpwidgets/gimpruler.c
index 28b428a57b..6b554c3d33 100644
--- a/libgimpwidgets/gimpruler.c
+++ b/libgimpwidgets/gimpruler.c
@@ -921,6 +921,8 @@ gimp_ruler_style_set (GtkWidget *widget,
                         "font-scale", &priv->font_scale,
                         NULL);
 
+  priv->backing_store_valid = FALSE;
+
   if (priv->layout)
     {
       g_object_unref (priv->layout);