[emerillon] Call gtk_show_uri () to display user guide

[Łukasz Jernaś <ljernas src gnome org>]

commit 31125de9f6735fb459049b240a766091b84382b8
Author: Å?ukasz JernaÅ? <deejay1 srem org>
Date:   Sun Jun 6 21:57:19 2010 +0200

    Call gtk_show_uri () to display user guide

 emerillon/window.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/emerillon/window.c b/emerillon/window.c
index 0dd6ce5..83d62c5 100644
--- a/emerillon/window.c
+++ b/emerillon/window.c
@@ -458,7 +458,16 @@ static void
 cmd_help (GtkAction *action,
           EmerillonWindow *self)
 {
-  g_printerr ("Sorry, help not available\n");
+  GError *error = NULL;
+
+  gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (self)), "ghelp:emerillon",
+                gtk_get_current_event_time (), &error);
+
+  if (error != NULL)
+  {
+    g_printerr ("Error opening help: %s\n", error->message);
+    g_error_free (error);
+  }
 }
 
 static void