Support engine specific hotkey.

bus/ibusimpl.h

 /* vim:set et sts=4: */
 /* bus - The Input Bus
  * Copyright (C) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
  * Copyright (C) 2008-2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 70 matching lines @@
 
     BusInputContext *focused_context;
     BusPanelProxy   *panel;
     IBusConfig      *config;
     IBusHotkeyProfile *hotkey_profile;
     IBusKeymap      *keymap;
 
     gboolean use_global_engine;
     BusEngineProxy  *global_engine;
     gchar           *global_previous_engine_name;
+
+    IBusHotkeyProfile *engines_hotkey_profile;
+    GHashTable      *hotkey_to_engines_map;
 };
 
 struct _BusIBusImplClass {
     IBusServiceClass parent;
 
     /* class members */
 };
 
 GType            bus_ibus_impl_get_type             (void);
 BusIBusImpl     *bus_ibus_impl_get_default          (void);
@@ skipping 12 matching lines @@
 gboolean         bus_ibus_impl_filter_keyboard_shortcuts
                                                     (BusIBusImpl        *ibus,
                                                      BusInputContext    *context,
                                                      guint               keyval,
                                                      guint               modifiers,
                                                      guint               prev_keyval,
                                                      guint               prev_modifiers);
 
 G_END_DECLS
 #endif