Supports unicode composition(Ctrl+Shift+U) with C-S pressed.

ui/base/ime/input_method_ibus.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_BASE_IME_INPUT_METHOD_IBUS_H_
 #define UI_BASE_IME_INPUT_METHOD_IBUS_H_
 
 #include <set>
 #include <string>
 
@@ skipping 46 matching lines @@
   virtual void OnConnected() OVERRIDE;
   virtual void OnDisconnected() OVERRIDE;
 
   // Converts |text| into CompositionText.
   void ExtractCompositionText(const chromeos::IBusText& text,
                               uint32 cursor_position,
                               CompositionText* out_composition) const;
 
   // Process a key returned from the input method.
   virtual void ProcessKeyEventPostIME(const base::NativeEvent& native_key_event,
+                                      uint32 ibus_keyval,
                                       uint32 ibus_keycode,
+                                      uint32 ibus_state,
                                       bool handled);
 
   // Converts |native_event| to ibus representation.
   virtual void IBusKeyEventFromNativeKeyEvent(
       const base::NativeEvent& native_event,
       uint32* ibus_keyval,
       uint32* ibus_keycode,
       uint32* ibus_state);
 
   // Resets context and abandon all pending results and key events.
@@ skipping 32 matching lines @@
   // Checks the availability of focused text input client and update focus
   // state.
   void UpdateContextFocusState();
 
   // Processes a key event that was already filtered by the input method.
   // A VKEY_PROCESSKEY may be dispatched to the focused View.
   void ProcessFilteredKeyPressEvent(const base::NativeEvent& native_key_event);
 
   // Processes a key event that was not filtered by the input method.
   void ProcessUnfilteredKeyPressEvent(const base::NativeEvent& native_key_event,
-                                      uint32 ibus_keycode);
+                                      uint32 ibus_keyval,
+                                      uint32 ibus_keycode,
+                                      uint32 ibus_state);
   void ProcessUnfilteredFabricatedKeyPressEvent(EventType type,
                                                 KeyboardCode key_code,
-                                                int flags,
-                                                uint32 ibus_keyval);
+                                                int event_flags,
+                                                uint32 ibus_keyval,
+                                                uint32 ibus_keycode);
 
   // Processes an unfiltered key press event with character composer.
   // This method returns true if the key press is filtered by the composer.
   bool ProcessUnfilteredKeyPressEventWithCharacterComposer(uint32 ibus_keyval,
-                                                           uint32 state);
+                                                           uint32 ibus_keycode,
+                                                           int event_flags);
 
   // Sends input method result caused by the given key event to the focused text
   // input client.
   void ProcessInputMethodResult(const base::NativeEvent& native_key_event,
                                 bool filtered);
 
   // Checks if the pending input method result needs inserting into the focused
   // text input client as a single character.
   bool NeedInsertChar() const;
 
@@ skipping 15 matching lines @@
   // Returns true if the connection to ibus-daemon is established.
   bool IsConnected();
 
   // Returns true if the input context is ready to use.
   bool IsContextReady();
 
   // chromeos::IBusInputContextHandlerInterface overrides:
   virtual void CommitText(const chromeos::IBusText& text) OVERRIDE;
   virtual void ForwardKeyEvent(uint32 keyval,
                                uint32 keycode,
-                               uint32 status) OVERRIDE;
+                               uint32 state) OVERRIDE;
   virtual void ShowPreeditText() OVERRIDE;
   virtual void HidePreeditText() OVERRIDE;
   virtual void UpdatePreeditText(const chromeos::IBusText& text,
                                  uint32 cursor_pos,
                                  bool visible) OVERRIDE;
   virtual void DeleteSurroundingText(int32 offset, uint32 length) OVERRIDE;
 
   void CreateInputContextDone(const dbus::ObjectPath& object_path);
   void CreateInputContextFail();
-  void ProcessKeyEventDone(uint32 id, XEvent* xevent, uint32 keyval,
-                           bool is_handled);
+  void ProcessKeyEventDone(uint32 id, XEvent* xevent,
+                           uint32 ibus_keyval, uint32 ibus_keycode,
+                           uint32 ibus_state, bool is_handled);
 
   // All pending key events. Note: we do not own these object, we just save
   // pointers to these object so that we can abandon them when necessary.
   // They will be deleted in ProcessKeyEventDone().
   std::set<uint32> pending_key_events_;
 
   // Represents input context's state.
   InputContextState input_context_state_;
 
   // The count of CreateInputContext message failure.
@@ skipping 34 matching lines @@
 
   // Used for making callbacks.
   base::WeakPtrFactory<InputMethodIBus> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodIBus);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_IBUS_H_