Add signal handlers to ibus-chewing to listen for config changes.

src/main.c

 /* vim:set et sts=4: */
 /*
  * Copyright © 2009  Red Hat, Inc. All rights reserved.
  * Copyright © 2009  Ding-Yi Chen <dchen at redhat.com>
  *
  * This file is part of the ibus-chewing Project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
@@ skipping 17 matching lines @@
 #include "ibus-chewing-engine.h"
 #include "maker-dialog.h"
 
 MakerDialog *makerDialog=NULL;
 static IBusBus *bus = NULL;
 static IBusFactory *factory = NULL;
 
 /* options */
 static gboolean ibus = FALSE;
 int ibus_chewing_verbose= 0;
+IBusConfig *iConfig = NULL;
 
 static const GOptionEntry entries[] =
 {
     { "ibus", 'i', 0, G_OPTION_ARG_NONE, &ibus, "component is executed by ibus", NULL },
     { "verbose", 'v', 0, G_OPTION_ARG_INT, &ibus_chewing_verbose,
         "Verbose level. The higher the level, the more the debug messages.",
         "[integer]" },
     { NULL },
 };
 
 
 static void
 ibus_disconnected_cb (IBusBus  *bus,
                       gpointer  user_data)
 {
     g_debug ("bus disconnected");
     ibus_quit ();
 }
 
 
 static void
 start_component (void)
 {
     bus = ibus_bus_new ();
     g_signal_connect (bus, "disconnected", G_CALLBACK (ibus_disconnected_cb), NULL);
+    iConfig = ibus_bus_get_config (bus);
+    if (iConfig)
+        g_object_ref_sink (iConfig);
 
     IBusConnection *iConnection=ibus_bus_get_connection (bus);
     factory = ibus_factory_new (iConnection);
     ibus_factory_add_engine (factory, "chewing", IBUS_TYPE_CHEWING_ENGINE);
 
     if (ibus) {
         ibus_bus_request_name (bus, "org.freedesktop.IBus.Chewing", 0);
     }else {
         IBusComponent *component;
 //        component = ibus_component_new_from_file ( DATADIR "/ibus/component/chewing.xml");
@@ skipping 71 matching lines @@
 
     if (!g_option_context_parse (context, &argc, &argv, &error)) {
         g_print ("Option parsing failed: %s\n", error->message);
         exit (-1);
     }
 
     g_option_context_free (context);
     start_component ();
     return 0;
 }