[gnome-keyring] Transfer the color properly onto the certificate widget expander.

[Stefan Walter <stefw src gnome org>]

commit 4a4aa90e209bccb9b06ef26b5a0807eea819a879
Author: Stef Walter <stefw collabora co uk>
Date:   Fri Mar 4 19:04:23 2011 +0100

    Transfer the color properly onto the certificate widget expander.
    
     * Remains white when a text selection surrounds it, this is harder
       to fix.
     * Highlights properly on mouse over.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=643892

 gcr/gcr-display-view.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/gcr/gcr-display-view.c b/gcr/gcr-display-view.c
index cac086d..df55b26 100644
--- a/gcr/gcr-display-view.c
+++ b/gcr/gcr-display-view.c
@@ -217,8 +217,18 @@ static void
 style_display_item (GtkWidget *widget, GcrDisplayItem *item)
 {
 #if GTK_CHECK_VERSION (2,91,6)
-	GdkRGBA transparent = { 1.0, 1.0, 1.0, 0.0 };
-	gtk_widget_override_background_color (item->details_widget, GTK_STATE_NORMAL, &transparent);
+	GtkStyleContext *style;
+	GdkRGBA color;
+
+	style = gtk_widget_get_style_context (GTK_WIDGET (widget));
+	gtk_style_context_save (style);
+
+	gtk_style_context_add_class (style, GTK_STYLE_CLASS_VIEW);
+	gtk_style_context_get_background_color (style, GTK_STATE_FLAG_NORMAL, &color);
+
+	gtk_style_context_restore (style);
+
+	gtk_widget_override_background_color (item->details_widget, GTK_STATE_NORMAL, &color);
 #else
 	GtkStyle *style = gtk_widget_get_style (widget);
 	gtk_widget_modify_bg (item->details_widget, GTK_STATE_NORMAL, &style->base[GTK_STATE_NORMAL]);