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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/views/examples/menu_example.h" | |
| 6 | |
| 7 #include <set> | |
| 8 | |
| 9 #include "base/strings/utf_string_conversions.h" | |
| 10 #include "ui/base/models/simple_menu_model.h" | |
| 11 #include "ui/views/controls/button/menu_button.h" | |
| 12 #include "ui/views/controls/button/menu_button_listener.h" | |
| 13 #include "ui/views/controls/menu/menu_runner.h" | |
| 14 #include "ui/views/layout/fill_layout.h" | |
| 15 #include "ui/views/view.h" | |
| 16 #include "ui/views/widget/widget.h" | |
| 17 | |
| 18 using base::ASCIIToUTF16; | |
| 19 | |
| 20 namespace views { | |
| 21 namespace examples { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 class ExampleMenuModel : public ui::SimpleMenuModel, | |
| 26 public ui::SimpleMenuModel::Delegate { | |
| 27 public: | |
| 28 ExampleMenuModel(); | |
| 29 | |
| 30 // ui::SimpleMenuModel::Delegate: | |
| 31 virtual bool IsCommandIdChecked(int command_id) const override; | |
| 32 virtual bool IsCommandIdEnabled(int command_id) const override; | |
| 33 virtual bool GetAcceleratorForCommandId( | |
| 34 int command_id, | |
| 35 ui::Accelerator* accelerator) override; | |
| 36 virtual void ExecuteCommand(int command_id, int event_flags) override; | |
| 37 | |
| 38 private: | |
| 39 enum GroupID { | |
| 40 GROUP_MAKE_DECISION, | |
| 41 }; | |
| 42 | |
| 43 enum CommandID { | |
| 44 COMMAND_DO_SOMETHING, | |
| 45 COMMAND_SELECT_ASCII, | |
| 46 COMMAND_SELECT_UTF8, | |
| 47 COMMAND_SELECT_UTF16, | |
| 48 COMMAND_CHECK_APPLE, | |
| 49 COMMAND_CHECK_ORANGE, | |
| 50 COMMAND_CHECK_KIWI, | |
| 51 COMMAND_GO_HOME, | |
| 52 }; | |
| 53 | |
| 54 scoped_ptr<ui::SimpleMenuModel> submenu_; | |
| 55 std::set<int> checked_fruits_; | |
| 56 int current_encoding_command_id_; | |
| 57 | |
| 58 DISALLOW_COPY_AND_ASSIGN(ExampleMenuModel); | |
| 59 }; | |
| 60 | |
| 61 class ExampleMenuButton : public MenuButton, public MenuButtonListener { | |
| 62 public: | |
| 63 explicit ExampleMenuButton(const base::string16& test); | |
| 64 virtual ~ExampleMenuButton(); | |
| 65 | |
| 66 private: | |
| 67 // MenuButtonListener: | |
| 68 virtual void OnMenuButtonClicked(View* source, | |
| 69 const gfx::Point& point) override; | |
| 70 | |
| 71 ui::SimpleMenuModel* GetMenuModel(); | |
| 72 | |
| 73 scoped_ptr<ExampleMenuModel> menu_model_; | |
| 74 scoped_ptr<MenuRunner> menu_runner_; | |
| 75 | |
| 76 DISALLOW_COPY_AND_ASSIGN(ExampleMenuButton); | |
| 77 }; | |
| 78 | |
| 79 // ExampleMenuModel --------------------------------------------------------- | |
| 80 | |
| 81 ExampleMenuModel::ExampleMenuModel() | |
| 82 : ui::SimpleMenuModel(this), | |
| 83 current_encoding_command_id_(COMMAND_SELECT_ASCII) { | |
| 84 AddItem(COMMAND_DO_SOMETHING, ASCIIToUTF16("Do Something")); | |
| 85 AddSeparator(ui::NORMAL_SEPARATOR); | |
| 86 AddRadioItem(COMMAND_SELECT_ASCII, ASCIIToUTF16("ASCII"), | |
| 87 GROUP_MAKE_DECISION); | |
| 88 AddRadioItem(COMMAND_SELECT_UTF8, ASCIIToUTF16("UTF-8"), | |
| 89 GROUP_MAKE_DECISION); | |
| 90 AddRadioItem(COMMAND_SELECT_UTF16, ASCIIToUTF16("UTF-16"), | |
| 91 GROUP_MAKE_DECISION); | |
| 92 AddSeparator(ui::NORMAL_SEPARATOR); | |
| 93 AddCheckItem(COMMAND_CHECK_APPLE, ASCIIToUTF16("Apple")); | |
| 94 AddCheckItem(COMMAND_CHECK_ORANGE, ASCIIToUTF16("Orange")); | |
| 95 AddCheckItem(COMMAND_CHECK_KIWI, ASCIIToUTF16("Kiwi")); | |
| 96 AddSeparator(ui::NORMAL_SEPARATOR); | |
| 97 AddItem(COMMAND_GO_HOME, ASCIIToUTF16("Go Home")); | |
| 98 | |
| 99 submenu_.reset(new ui::SimpleMenuModel(this)); | |
| 100 submenu_->AddItem(COMMAND_DO_SOMETHING, ASCIIToUTF16("Do Something 2")); | |
| 101 AddSubMenu(0, ASCIIToUTF16("Submenu"), submenu_.get()); | |
| 102 } | |
| 103 | |
| 104 bool ExampleMenuModel::IsCommandIdChecked(int command_id) const { | |
| 105 // Radio items. | |
| 106 if (command_id == current_encoding_command_id_) | |
| 107 return true; | |
| 108 | |
| 109 // Check items. | |
| 110 if (checked_fruits_.find(command_id) != checked_fruits_.end()) | |
| 111 return true; | |
| 112 | |
| 113 return false; | |
| 114 } | |
| 115 | |
| 116 bool ExampleMenuModel::IsCommandIdEnabled(int command_id) const { | |
| 117 // All commands are enabled except for COMMAND_GO_HOME. | |
| 118 return command_id != COMMAND_GO_HOME; | |
| 119 } | |
| 120 | |
| 121 bool ExampleMenuModel::GetAcceleratorForCommandId( | |
| 122 int command_id, | |
| 123 ui::Accelerator* accelerator) { | |
| 124 // We don't use this in the example. | |
| 125 return false; | |
| 126 } | |
| 127 | |
| 128 void ExampleMenuModel::ExecuteCommand(int command_id, int event_flags) { | |
| 129 switch (command_id) { | |
| 130 case COMMAND_DO_SOMETHING: { | |
| 131 VLOG(0) << "Done something"; | |
| 132 break; | |
| 133 } | |
| 134 | |
| 135 // Radio items. | |
| 136 case COMMAND_SELECT_ASCII: { | |
| 137 current_encoding_command_id_ = COMMAND_SELECT_ASCII; | |
| 138 VLOG(0) << "Selected ASCII"; | |
| 139 break; | |
| 140 } | |
| 141 case COMMAND_SELECT_UTF8: { | |
| 142 current_encoding_command_id_ = COMMAND_SELECT_UTF8; | |
| 143 VLOG(0) << "Selected UTF-8"; | |
| 144 break; | |
| 145 } | |
| 146 case COMMAND_SELECT_UTF16: { | |
| 147 current_encoding_command_id_ = COMMAND_SELECT_UTF16; | |
| 148 VLOG(0) << "Selected UTF-16"; | |
| 149 break; | |
| 150 } | |
| 151 | |
| 152 // Check items. | |
| 153 case COMMAND_CHECK_APPLE: | |
| 154 case COMMAND_CHECK_ORANGE: | |
| 155 case COMMAND_CHECK_KIWI: { | |
| 156 // Print what fruit is checked. | |
| 157 const char* checked_fruit = ""; | |
| 158 if (command_id == COMMAND_CHECK_APPLE) | |
| 159 checked_fruit = "Apple"; | |
| 160 else if (command_id == COMMAND_CHECK_ORANGE) | |
| 161 checked_fruit = "Orange"; | |
| 162 else if (command_id == COMMAND_CHECK_KIWI) | |
| 163 checked_fruit = "Kiwi"; | |
| 164 | |
| 165 // Update the check status. | |
| 166 std::set<int>::iterator iter = checked_fruits_.find(command_id); | |
| 167 if (iter == checked_fruits_.end()) { | |
| 168 DVLOG(1) << "Checked " << checked_fruit; | |
| 169 checked_fruits_.insert(command_id); | |
| 170 } else { | |
| 171 DVLOG(1) << "Unchecked " << checked_fruit; | |
| 172 checked_fruits_.erase(iter); | |
| 173 } | |
| 174 break; | |
| 175 } | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 // ExampleMenuButton ----------------------------------------------------------- | |
| 180 | |
| 181 ExampleMenuButton::ExampleMenuButton(const base::string16& test) | |
| 182 : MenuButton(NULL, test, this, true) { | |
| 183 } | |
| 184 | |
| 185 ExampleMenuButton::~ExampleMenuButton() { | |
| 186 } | |
| 187 | |
| 188 void ExampleMenuButton::OnMenuButtonClicked(View* source, | |
| 189 const gfx::Point& point) { | |
| 190 menu_runner_.reset(new MenuRunner(GetMenuModel(), MenuRunner::HAS_MNEMONICS)); | |
| 191 | |
| 192 if (menu_runner_->RunMenuAt(source->GetWidget()->GetTopLevelWidget(), | |
| 193 this, | |
| 194 gfx::Rect(point, gfx::Size()), | |
| 195 MENU_ANCHOR_TOPRIGHT, | |
| 196 ui::MENU_SOURCE_NONE) == | |
| 197 MenuRunner::MENU_DELETED) { | |
| 198 return; | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 ui::SimpleMenuModel* ExampleMenuButton::GetMenuModel() { | |
| 203 if (!menu_model_.get()) | |
| 204 menu_model_.reset(new ExampleMenuModel); | |
| 205 return menu_model_.get(); | |
| 206 } | |
| 207 | |
| 208 } // namespace | |
| 209 | |
| 210 MenuExample::MenuExample() : ExampleBase("Menu") { | |
| 211 } | |
| 212 | |
| 213 MenuExample::~MenuExample() { | |
| 214 } | |
| 215 | |
| 216 void MenuExample::CreateExampleView(View* container) { | |
| 217 // We add a button to open a menu. | |
| 218 ExampleMenuButton* menu_button = new ExampleMenuButton( | |
| 219 ASCIIToUTF16("Open a menu")); | |
| 220 container->SetLayoutManager(new FillLayout); | |
| 221 container->AddChildView(menu_button); | |
| 222 } | |
| 223 | |
| 224 } // namespace examples | |
| 225 } // namespace views | |
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