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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_BASE_IME_WIN_IMM32_MANAGER_H | 5 #ifndef UI_BASE_IME_WIN_IMM32_MANAGER_H |
6 #define UI_BASE_IME_WIN_IMM32_MANAGER_H | 6 #define UI_BASE_IME_WIN_IMM32_MANAGER_H |
7 | 7 |
8 #include <windows.h> | 8 #include <windows.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
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147 | 147 |
148 // Retrieves a composition result of the ongoing composition if it exists. | 148 // Retrieves a composition result of the ongoing composition if it exists. |
149 // Parameters | 149 // Parameters |
150 // * window_handle [in] (HWND) | 150 // * window_handle [in] (HWND) |
151 // Represents the window handle of the caller. | 151 // Represents the window handle of the caller. |
152 // * lparam [in] (LPARAM) | 152 // * lparam [in] (LPARAM) |
153 // Specifies the updated members of the ongoing composition, and must be | 153 // Specifies the updated members of the ongoing composition, and must be |
154 // the same parameter of a WM_IME_COMPOSITION message handler. | 154 // the same parameter of a WM_IME_COMPOSITION message handler. |
155 // This parameter is used for checking if the ongoing composition has | 155 // This parameter is used for checking if the ongoing composition has |
156 // its result string, | 156 // its result string, |
157 // * result [out] (string16) | 157 // * result [out] (base::string16) |
158 // Represents the object contains the composition result. | 158 // Represents the object contains the composition result. |
159 // Return values | 159 // Return values |
160 // * true | 160 // * true |
161 // The ongoing composition has a composition result. | 161 // The ongoing composition has a composition result. |
162 // * false | 162 // * false |
163 // The ongoing composition does not have composition results. | 163 // The ongoing composition does not have composition results. |
164 // Remarks | 164 // Remarks |
165 // This function is designed for being called from WM_IME_COMPOSITION | 165 // This function is designed for being called from WM_IME_COMPOSITION |
166 // message handlers. | 166 // message handlers. |
167 bool GetResult(HWND window_handle, LPARAM lparam, string16* result); | 167 bool GetResult(HWND window_handle, LPARAM lparam, base::string16* result); |
168 | 168 |
169 // Retrieves the current composition status of the ongoing composition. | 169 // Retrieves the current composition status of the ongoing composition. |
170 // Parameters | 170 // Parameters |
171 // * window_handle [in] (HWND) | 171 // * window_handle [in] (HWND) |
172 // Represents the window handle of the caller. | 172 // Represents the window handle of the caller. |
173 // * lparam [in] (LPARAM) | 173 // * lparam [in] (LPARAM) |
174 // Specifies the updated members of the ongoing composition, and must be | 174 // Specifies the updated members of the ongoing composition, and must be |
175 // the same parameter of a WM_IME_COMPOSITION message handler. | 175 // the same parameter of a WM_IME_COMPOSITION message handler. |
176 // This parameter is used for checking if the ongoing composition has | 176 // This parameter is used for checking if the ongoing composition has |
177 // its result string, | 177 // its result string, |
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267 void GetCompositionInfo(HIMC imm_context, LPARAM lparam, | 267 void GetCompositionInfo(HIMC imm_context, LPARAM lparam, |
268 CompositionText* composition); | 268 CompositionText* composition); |
269 | 269 |
270 // Updates the position of the IME windows. | 270 // Updates the position of the IME windows. |
271 void MoveImeWindow(HWND window_handle, HIMC imm_context); | 271 void MoveImeWindow(HWND window_handle, HIMC imm_context); |
272 | 272 |
273 // Completes the ongoing composition if it exists. | 273 // Completes the ongoing composition if it exists. |
274 void CompleteComposition(HWND window_handle, HIMC imm_context); | 274 void CompleteComposition(HWND window_handle, HIMC imm_context); |
275 | 275 |
276 // Retrieves a string from the IMM. | 276 // Retrieves a string from the IMM. |
277 bool GetString(HIMC imm_context, WPARAM lparam, int type, string16* result); | 277 bool GetString(HIMC imm_context, |
| 278 WPARAM lparam, |
| 279 int type, |
| 280 base::string16* result); |
278 | 281 |
279 private: | 282 private: |
280 // Represents whether or not there is an ongoing composition in a browser | 283 // Represents whether or not there is an ongoing composition in a browser |
281 // process, i.e. whether or not a browser process is composing a text. | 284 // process, i.e. whether or not a browser process is composing a text. |
282 bool is_composing_; | 285 bool is_composing_; |
283 | 286 |
284 // This value represents whether or not the current input context has IMEs. | 287 // This value represents whether or not the current input context has IMEs. |
285 // The following table shows the list of IME status: | 288 // The following table shows the list of IME status: |
286 // Value Description | 289 // Value Description |
287 // false The current input language does not have IMEs. | 290 // false The current input language does not have IMEs. |
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321 | 324 |
322 // Indicates whether or not we want IME to render composition text. | 325 // Indicates whether or not we want IME to render composition text. |
323 bool use_composition_window_; | 326 bool use_composition_window_; |
324 | 327 |
325 DISALLOW_COPY_AND_ASSIGN(IMM32Manager); | 328 DISALLOW_COPY_AND_ASSIGN(IMM32Manager); |
326 }; | 329 }; |
327 | 330 |
328 } // namespace ui | 331 } // namespace ui |
329 | 332 |
330 #endif // UI_BASE_IME_WIN_IMM32_MANAGER_H | 333 #endif // UI_BASE_IME_WIN_IMM32_MANAGER_H |
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