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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 CHROME_VIEWS_NATIVE_BUTTON_H__ | 5 #ifndef CHROME_VIEWS_NATIVE_BUTTON_H__ |
6 #define CHROME_VIEWS_NATIVE_BUTTON_H__ | 6 #define CHROME_VIEWS_NATIVE_BUTTON_H__ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/gfx/size.h" | 10 #include "base/gfx/size.h" |
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73 // technologies (ATs) use to determine what behavior to expect from a given | 73 // technologies (ATs) use to determine what behavior to expect from a given |
74 // control. | 74 // control. |
75 bool GetAccessibleRole(VARIANT* role); | 75 bool GetAccessibleRole(VARIANT* role); |
76 | 76 |
77 // Returns a brief, identifying string, containing a unique, readable name. | 77 // Returns a brief, identifying string, containing a unique, readable name. |
78 bool GetAccessibleName(std::wstring* name); | 78 bool GetAccessibleName(std::wstring* name); |
79 | 79 |
80 // Assigns an accessible string name. | 80 // Assigns an accessible string name. |
81 void SetAccessibleName(const std::wstring& name); | 81 void SetAccessibleName(const std::wstring& name); |
82 | 82 |
| 83 // Sets whether the min size of this button should follow the Windows |
| 84 // guidelines. Default is true. Set this to false if you want slim buttons. |
| 85 void set_enforce_dlu_min_size(bool value) { enforce_dlu_min_size_ = value; } |
| 86 |
83 protected: | 87 protected: |
84 | 88 |
85 virtual HWND CreateNativeControl(HWND parent_container); | 89 virtual HWND CreateNativeControl(HWND parent_container); |
86 | 90 |
87 // Sub-classes can call this method to cause the native button to reflect | 91 // Sub-classes can call this method to cause the native button to reflect |
88 // the current state | 92 // the current state |
89 virtual void UpdateNativeButton(); | 93 virtual void UpdateNativeButton(); |
90 | 94 |
91 // Sub-classes must override this method to properly configure the native | 95 // Sub-classes must override this method to properly configure the native |
92 // button given the current state | 96 // button given the current state |
93 virtual void ConfigureNativeButton(HWND hwnd); | 97 virtual void ConfigureNativeButton(HWND hwnd); |
94 | 98 |
95 // Overridden from NativeControl so we can activate the button when Enter is | 99 // Overridden from NativeControl so we can activate the button when Enter is |
96 // pressed. | 100 // pressed. |
97 virtual bool NotifyOnKeyDown() const; | 101 virtual bool NotifyOnKeyDown() const; |
98 virtual bool OnKeyDown(int virtual_key_code); | 102 virtual bool OnKeyDown(int virtual_key_code); |
99 | 103 |
100 private: | 104 private: |
101 NativeButton() {} | 105 NativeButton() {} |
102 | 106 |
103 // Initializes the button. If |is_default| is true, this appears like the | 107 // Initializes the button. If |is_default| is true, this appears like the |
104 // "default" button, and will register Enter as its keyboard accelerator. | 108 // "default" button, and will register Enter as its keyboard accelerator. |
105 void Init(const std::wstring& label, bool is_default); | 109 void Init(const std::wstring& label, bool is_default); |
106 | 110 |
107 void Clicked(); | 111 void Clicked(); |
108 | 112 |
| 113 // Whether the button preferred size should follow the Microsoft layout |
| 114 // guidelines. Default is true. |
| 115 bool enforce_dlu_min_size_; |
| 116 |
109 std::wstring label_; | 117 std::wstring label_; |
110 ChromeFont font_; | 118 ChromeFont font_; |
111 Listener* listener_; | 119 Listener* listener_; |
112 | 120 |
113 CSize padding_; | 121 CSize padding_; |
114 | 122 |
115 // True if the button should be rendered to appear like the "default" button | 123 // True if the button should be rendered to appear like the "default" button |
116 // in the containing dialog box. Default buttons register Enter as their | 124 // in the containing dialog box. Default buttons register Enter as their |
117 // accelerator. | 125 // accelerator. |
118 bool is_default_; | 126 bool is_default_; |
119 | 127 |
120 // Minimum size, in dlus (see SetMinSizeFromDLUs). | 128 // Minimum size, in dlus (see SetMinSizeFromDLUs). |
121 gfx::Size min_dlu_size_; | 129 gfx::Size min_dlu_size_; |
122 | 130 |
123 // Storage of strings needed for accessibility. | 131 // Storage of strings needed for accessibility. |
124 std::wstring accessible_name_; | 132 std::wstring accessible_name_; |
125 | 133 |
126 DISALLOW_EVIL_CONSTRUCTORS(NativeButton); | 134 DISALLOW_EVIL_CONSTRUCTORS(NativeButton); |
127 }; | 135 }; |
128 | 136 |
129 } | 137 } |
130 | 138 |
131 #endif // CHROME_VIEWS_NATIVE_BUTTON_H__ | 139 #endif // CHROME_VIEWS_NATIVE_BUTTON_H__ |
132 | 140 |
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