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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 VIEWS_IME_INPUT_METHOD_H_ | 5 #ifndef VIEWS_IME_INPUT_METHOD_H_ |
6 #define VIEWS_IME_INPUT_METHOD_H_ | 6 #define VIEWS_IME_INPUT_METHOD_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/i18n/rtl.h" | 12 #include "base/i18n/rtl.h" |
13 #include "ui/base/ime/text_input_type.h" | 13 #include "ui/base/ime/text_input_type.h" |
14 #include "views/views_api.h" | 14 #include "views/views_export.h" |
15 | 15 |
16 namespace views { | 16 namespace views { |
17 | 17 |
18 namespace internal { | 18 namespace internal { |
19 class InputMethodDelegate; | 19 class InputMethodDelegate; |
20 } // namespace internal | 20 } // namespace internal |
21 | 21 |
22 class KeyEvent; | 22 class KeyEvent; |
23 class TextInputClient; | 23 class TextInputClient; |
24 class View; | 24 class View; |
25 class Widget; | 25 class Widget; |
26 | 26 |
27 // An interface implemented by an object that encapsulates a native input method | 27 // An interface implemented by an object that encapsulates a native input method |
28 // service provided by the underlying operation system. | 28 // service provided by the underlying operation system. |
29 // Because on most systems, the system input method service is bound to | 29 // Because on most systems, the system input method service is bound to |
30 // individual native window. On Windows, its HWND, on Linux/Gtk, its GdkWindow. | 30 // individual native window. On Windows, its HWND, on Linux/Gtk, its GdkWindow. |
31 // And in Views control system, only the top-level NativeWidget has a native | 31 // And in Views control system, only the top-level NativeWidget has a native |
32 // window that can get keyboard focus. So this API is designed to be bound to | 32 // window that can get keyboard focus. So this API is designed to be bound to |
33 // the top-level NativeWidget. | 33 // the top-level NativeWidget. |
34 class VIEWS_API InputMethod { | 34 class VIEWS_EXPORT InputMethod { |
35 public: | 35 public: |
36 virtual ~InputMethod() {} | 36 virtual ~InputMethod() {} |
37 | 37 |
38 // Sets the delegate used by this InputMethod instance. It should only be | 38 // Sets the delegate used by this InputMethod instance. It should only be |
39 // called by the internal NativeWidget or testing code. | 39 // called by the internal NativeWidget or testing code. |
40 virtual void set_delegate(internal::InputMethodDelegate* delegate) = 0; | 40 virtual void set_delegate(internal::InputMethodDelegate* delegate) = 0; |
41 | 41 |
42 // Initialize the InputMethod object and attach it to the given |widget|. | 42 // Initialize the InputMethod object and attach it to the given |widget|. |
43 // The |widget| must already be initialized. | 43 // The |widget| must already be initialized. |
44 virtual void Init(Widget* widget) = 0; | 44 virtual void Init(Widget* widget) = 0; |
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101 // Gets the text input type of the focused text input client. Returns | 101 // Gets the text input type of the focused text input client. Returns |
102 // ui::TEXT_INPUT_TYPE_NONE if there is no focused text input client. | 102 // ui::TEXT_INPUT_TYPE_NONE if there is no focused text input client. |
103 virtual ui::TextInputType GetTextInputType() const = 0; | 103 virtual ui::TextInputType GetTextInputType() const = 0; |
104 | 104 |
105 // TODO(suzhe): Support mouse/touch event. | 105 // TODO(suzhe): Support mouse/touch event. |
106 }; | 106 }; |
107 | 107 |
108 } // namespace views | 108 } // namespace views |
109 | 109 |
110 #endif // VIEWS_IME_INPUT_METHOD_H_ | 110 #endif // VIEWS_IME_INPUT_METHOD_H_ |
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