From aac0806ca6e161ea7918cc892c11f46f2348ad75 Mon Sep 17 00:00:00 2001
From: Cosimo Cecchi <cosimoc@gnome.org>
Date: Wed, 16 Nov 2011 15:59:47 -0500
Subject: [PATCH] treeview: factor out gtk_tree_view_ensure_background()

We'll use it shortly.
---
 gtk/gtktreeview.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index f0abfb01d2..adf1106b49 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -2179,6 +2179,21 @@ gtk_tree_view_map (GtkWidget *widget)
   gdk_window_show (gtk_widget_get_window (widget));
 }
 
+static void
+gtk_tree_view_ensure_background (GtkTreeView *tree_view)
+{
+  GtkStyleContext *context;
+
+  context = gtk_widget_get_style_context (widget);
+
+  gtk_style_context_save (context);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
+  gtk_style_context_set_background (context, tree_view->priv->bin_window);
+  gtk_style_context_restore (context);
+
+  gtk_style_context_set_background (context, tree_view->priv->header_window);
+}
+
 static void
 gtk_tree_view_realize (GtkWidget *widget)
 {