[gtk+] Fix a startup ordering problem

[Matthias Clasen <matthiasc src gnome org>]

commit a5e2256770db712d2ca3f9866309cd3cd5f3d6c7
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 8 23:16:39 2015 -0500

    Fix a startup ordering problem
    
    Defer a11y initialization until we have a display. A11y initialization
    causes widget classes to be initalized, which in turn needs some
    backend-specific information about modifier masks that can't be
    obtained before we have a display.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736125

 gtk/gtkmain.c |   13 +++++++++----
 1 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index dfb6d9b..0c3ed7a 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -689,6 +689,12 @@ gettext_initialization (void)
 }
 
 static void
+default_display_notify_cb (GdkDisplayManager *dm)
+{
+  _gtk_accessibility_init ();
+}
+
+static void
 do_post_parse_initialization (int    *argc,
                               char ***argv)
 {
@@ -719,11 +725,8 @@ do_post_parse_initialization (int    *argc,
 
   _gtk_accel_map_init ();
 
-  /* Set the 'initialized' flag.
-   */
   gtk_initialized = TRUE;
 
-  /* load gtk modules */
   if (gtk_modules_string)
     {
       _gtk_modules_init (argc, argv, gtk_modules_string->str);
@@ -734,7 +737,9 @@ do_post_parse_initialization (int    *argc,
       _gtk_modules_init (argc, argv, NULL);
     }
 
-  _gtk_accessibility_init ();
+  g_signal_connect (gdk_display_manager_get (), "notify::default-display",
+                    G_CALLBACK (default_display_notify_cb),
+                    NULL);
 }