From 5305ef253f59f99acb64e4bd5c56bfa6b1a3a76d Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Thu, 12 Nov 2015 14:47:25 -0500
Subject: preview: Don't assume X

We need to check at runtime if we are actually running under X,
before calling gdk_x11 API.

http://bugzilla.gnome.org/show_bug.cgi?id=758026
---
 src/nautilus-files-view.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/nautilus-files-view.c b/src/nautilus-files-view.c
index 683bd51f2..38b180045 100644
--- a/src/nautilus-files-view.c
+++ b/src/nautilus-files-view.c
@@ -1141,13 +1141,19 @@ nautilus_files_view_preview_files (NautilusFilesView *view,
                                    GArray            *locations)
 {
         gchar *uri;
-        guint xid;
+        guint xid = 0;
         GtkWidget *toplevel;
+        GdkWindow *window;
 
         uri = nautilus_file_get_uri (files->data);
         toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
 
-        xid = gdk_x11_window_get_xid (gtk_widget_get_window (toplevel));
+#ifdef GDK_WINDOWING_X11
+        window = gtk_widget_get_window (toplevel);
+        if (GDK_IS_X11_WINDOW (window))
+          xid = gdk_x11_window_get_xid (gtk_widget_get_window (toplevel));
+#endif
+
         nautilus_previewer_call_show_file (uri, xid, TRUE);
 
         g_free (uri);
-- 
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