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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_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ | 5 #ifndef UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ |
6 #define UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ | 6 #define UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ |
7 | 7 |
8 #include "base/strings/string16.h" | 8 #include "base/strings/string16.h" |
9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
10 #include "ui/base/ime/text_input_client.h" | 10 #include "ui/base/ime/text_input_client.h" |
11 #include "ui/views/views_export.h" | 11 #include "ui/views/views_export.h" |
12 | 12 |
13 namespace views { | 13 namespace views { |
14 | 14 |
15 class PrefixDelegate; | 15 class PrefixDelegate; |
16 | 16 |
17 // PrefixSelector is used to change the selection in a view as the user | 17 // PrefixSelector is used to change the selection in a view as the user |
18 // types characters. | 18 // types characters. |
19 class VIEWS_EXPORT PrefixSelector : public ui::TextInputClient { | 19 class VIEWS_EXPORT PrefixSelector : public ui::TextInputClient { |
20 public: | 20 public: |
21 explicit PrefixSelector(PrefixDelegate* delegate); | 21 explicit PrefixSelector(PrefixDelegate* delegate); |
22 virtual ~PrefixSelector(); | 22 virtual ~PrefixSelector(); |
23 | 23 |
24 // Invoked from the view when it loses focus. | 24 // Invoked from the view when it loses focus. |
25 void OnViewBlur(); | 25 void OnViewBlur(); |
26 | 26 |
27 // ui::TextInputClient: | 27 // ui::TextInputClient: |
28 virtual void SetCompositionText( | 28 virtual void SetCompositionText( |
29 const ui::CompositionText& composition) OVERRIDE; | 29 const ui::CompositionText& composition) override; |
30 virtual void ConfirmCompositionText() OVERRIDE; | 30 virtual void ConfirmCompositionText() override; |
31 virtual void ClearCompositionText() OVERRIDE; | 31 virtual void ClearCompositionText() override; |
32 virtual void InsertText(const base::string16& text) OVERRIDE; | 32 virtual void InsertText(const base::string16& text) override; |
33 virtual void InsertChar(base::char16 ch, int flags) OVERRIDE; | 33 virtual void InsertChar(base::char16 ch, int flags) override; |
34 virtual gfx::NativeWindow GetAttachedWindow() const OVERRIDE; | 34 virtual gfx::NativeWindow GetAttachedWindow() const override; |
35 virtual ui::TextInputType GetTextInputType() const OVERRIDE; | 35 virtual ui::TextInputType GetTextInputType() const override; |
36 virtual ui::TextInputMode GetTextInputMode() const OVERRIDE; | 36 virtual ui::TextInputMode GetTextInputMode() const override; |
37 virtual bool CanComposeInline() const OVERRIDE; | 37 virtual bool CanComposeInline() const override; |
38 virtual gfx::Rect GetCaretBounds() const OVERRIDE; | 38 virtual gfx::Rect GetCaretBounds() const override; |
39 virtual bool GetCompositionCharacterBounds(uint32 index, | 39 virtual bool GetCompositionCharacterBounds(uint32 index, |
40 gfx::Rect* rect) const OVERRIDE; | 40 gfx::Rect* rect) const override; |
41 virtual bool HasCompositionText() const OVERRIDE; | 41 virtual bool HasCompositionText() const override; |
42 virtual bool GetTextRange(gfx::Range* range) const OVERRIDE; | 42 virtual bool GetTextRange(gfx::Range* range) const override; |
43 virtual bool GetCompositionTextRange(gfx::Range* range) const OVERRIDE; | 43 virtual bool GetCompositionTextRange(gfx::Range* range) const override; |
44 virtual bool GetSelectionRange(gfx::Range* range) const OVERRIDE; | 44 virtual bool GetSelectionRange(gfx::Range* range) const override; |
45 virtual bool SetSelectionRange(const gfx::Range& range) OVERRIDE; | 45 virtual bool SetSelectionRange(const gfx::Range& range) override; |
46 virtual bool DeleteRange(const gfx::Range& range) OVERRIDE; | 46 virtual bool DeleteRange(const gfx::Range& range) override; |
47 virtual bool GetTextFromRange(const gfx::Range& range, | 47 virtual bool GetTextFromRange(const gfx::Range& range, |
48 base::string16* text) const OVERRIDE; | 48 base::string16* text) const override; |
49 virtual void OnInputMethodChanged() OVERRIDE; | 49 virtual void OnInputMethodChanged() override; |
50 virtual bool ChangeTextDirectionAndLayoutAlignment( | 50 virtual bool ChangeTextDirectionAndLayoutAlignment( |
51 base::i18n::TextDirection direction) OVERRIDE; | 51 base::i18n::TextDirection direction) override; |
52 virtual void ExtendSelectionAndDelete(size_t before, size_t after) OVERRIDE; | 52 virtual void ExtendSelectionAndDelete(size_t before, size_t after) override; |
53 virtual void EnsureCaretInRect(const gfx::Rect& rect) OVERRIDE; | 53 virtual void EnsureCaretInRect(const gfx::Rect& rect) override; |
54 virtual void OnCandidateWindowShown() OVERRIDE; | 54 virtual void OnCandidateWindowShown() override; |
55 virtual void OnCandidateWindowUpdated() OVERRIDE; | 55 virtual void OnCandidateWindowUpdated() override; |
56 virtual void OnCandidateWindowHidden() OVERRIDE; | 56 virtual void OnCandidateWindowHidden() override; |
57 | 57 |
58 virtual bool IsEditingCommandEnabled(int command_id) OVERRIDE; | 58 virtual bool IsEditingCommandEnabled(int command_id) override; |
59 virtual void ExecuteEditingCommand(int command_id) OVERRIDE; | 59 virtual void ExecuteEditingCommand(int command_id) override; |
60 | 60 |
61 private: | 61 private: |
62 // Invoked when text is typed. Tries to change the selection appropriately. | 62 // Invoked when text is typed. Tries to change the selection appropriately. |
63 void OnTextInput(const base::string16& text); | 63 void OnTextInput(const base::string16& text); |
64 | 64 |
65 // Returns true if the text of the node at |row| starts with |lower_text|. | 65 // Returns true if the text of the node at |row| starts with |lower_text|. |
66 bool TextAtRowMatchesText(int row, const base::string16& lower_text); | 66 bool TextAtRowMatchesText(int row, const base::string16& lower_text); |
67 | 67 |
68 // Clears |current_text_| and resets |time_of_last_key_|. | 68 // Clears |current_text_| and resets |time_of_last_key_|. |
69 void ClearText(); | 69 void ClearText(); |
70 | 70 |
71 PrefixDelegate* prefix_delegate_; | 71 PrefixDelegate* prefix_delegate_; |
72 | 72 |
73 // Time OnTextInput() was last invoked. | 73 // Time OnTextInput() was last invoked. |
74 base::TimeTicks time_of_last_key_; | 74 base::TimeTicks time_of_last_key_; |
75 | 75 |
76 base::string16 current_text_; | 76 base::string16 current_text_; |
77 | 77 |
78 DISALLOW_COPY_AND_ASSIGN(PrefixSelector); | 78 DISALLOW_COPY_AND_ASSIGN(PrefixSelector); |
79 }; | 79 }; |
80 | 80 |
81 } // namespace views | 81 } // namespace views |
82 | 82 |
83 #endif // UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ | 83 #endif // UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_ |
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