| // Copyright (c) 2013 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_IMM32_H_ |
| #define UI_BASE_IME_INPUT_METHOD_IMM32_H_ |
| |
| #include <windows.h> |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "ui/base/ime/input_method_win.h" |
| |
| namespace ui { |
| |
| // An InputMethod implementation based on Windows IMM32 API. |
| class UI_EXPORT InputMethodIMM32 : public InputMethodWin { |
| public: |
| InputMethodIMM32(internal::InputMethodDelegate* delegate, |
| HWND toplevel_window_handle); |
| |
| // Overridden from InputMethod: |
| virtual void OnFocus() OVERRIDE; |
| virtual void OnBlur() OVERRIDE; |
| virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event, |
| NativeEventResult* result) OVERRIDE; |
| virtual void OnTextInputTypeChanged(const TextInputClient* client) OVERRIDE; |
| virtual void OnCaretBoundsChanged(const TextInputClient* client) OVERRIDE; |
| virtual void CancelComposition(const TextInputClient* client) OVERRIDE; |
| virtual bool IsCandidatePopupOpen() const OVERRIDE; |
| |
| protected: |
| // Overridden from InputMethodBase: |
| virtual void OnWillChangeFocusedClient(TextInputClient* focused_before, |
| TextInputClient* focused) OVERRIDE; |
| virtual void OnDidChangeFocusedClient(TextInputClient* focused_before, |
| TextInputClient* focused) OVERRIDE; |
| |
| private: |
| LRESULT OnImeSetContext(HWND window_handle, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| BOOL* handled); |
| LRESULT OnImeStartComposition(HWND window_handle, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| BOOL* handled); |
| LRESULT OnImeComposition(HWND window_handle, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| BOOL* handled); |
| LRESULT OnImeEndComposition(HWND window_handle, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| BOOL* handled); |
| LRESULT OnImeNotify(UINT message, |
| WPARAM wparam, |
| LPARAM lparam, |
| BOOL* handled); |
| |
| // Asks the client to confirm current composition text. |
| void ConfirmCompositionText(); |
| |
| // Enables or disables the IME according to the current text input type. |
| void UpdateIMEState(); |
| |
| bool enabled_; |
| |
| // True if we know for sure that a candidate window is open. |
| bool is_candidate_popup_open_; |
| |
| // Window handle where composition is on-going. NULL when there is no |
| // composition. |
| HWND composing_window_handle_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InputMethodIMM32); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_BASE_IME_INPUT_METHOD_IMM32_H_ |