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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_CONTROLS_MENU_MENU_DELEGATE_H_ | 5 #ifndef VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
| 6 #define VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ | 6 #define VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <set> | 9 #include <set> |
| 10 #include <string> | 10 #include <string> |
| 11 | 11 |
| 12 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "ui/base/dragdrop/drag_drop_types.h" | 13 #include "ui/base/dragdrop/drag_drop_types.h" |
| 14 #include "ui/base/dragdrop/os_exchange_data.h" | 14 #include "ui/base/dragdrop/os_exchange_data.h" |
| 15 #include "views/controls/menu/menu_item_view.h" | 15 #include "views/controls/menu/menu_item_view.h" |
| 16 #include "views/events/event.h" | 16 #include "views/events/event.h" |
| 17 | 17 |
| 18 using ui::OSExchangeData; | 18 using ui::OSExchangeData; |
| 19 | 19 |
| 20 namespace gfx { |
| 21 |
| 22 class Font; |
| 23 |
| 24 } // namespace gfx |
| 25 |
| 20 namespace views { | 26 namespace views { |
| 21 | 27 |
| 22 class DropTargetEvent; | 28 class DropTargetEvent; |
| 23 class MenuButton; | 29 class MenuButton; |
| 24 | 30 |
| 25 // MenuDelegate -------------------------------------------------------------- | 31 // MenuDelegate -------------------------------------------------------------- |
| 26 | 32 |
| 27 // Delegate for a menu. This class is used as part of MenuItemView, see it | 33 // Delegate for a menu. This class is used as part of MenuItemView, see it |
| 28 // for details. | 34 // for details. |
| 29 // TODO(sky): merge this with ui::MenuModel. | 35 // TODO(sky): merge this with ui::MenuModel. |
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| 46 }; | 52 }; |
| 47 | 53 |
| 48 // Whether or not an item should be shown as checked. This is invoked for | 54 // Whether or not an item should be shown as checked. This is invoked for |
| 49 // radio buttons and check buttons. | 55 // radio buttons and check buttons. |
| 50 virtual bool IsItemChecked(int id) const; | 56 virtual bool IsItemChecked(int id) const; |
| 51 | 57 |
| 52 // The string shown for the menu item. This is only invoked when an item is | 58 // The string shown for the menu item. This is only invoked when an item is |
| 53 // added with an empty label. | 59 // added with an empty label. |
| 54 virtual std::wstring GetLabel(int id) const; | 60 virtual std::wstring GetLabel(int id) const; |
| 55 | 61 |
| 62 // The font for the menu item label. Returning NULL selects the default |
| 63 // menu font. |
| 64 virtual const gfx::Font* GetLabelFont(int id) const; |
| 65 |
| 56 // The tooltip shown for the menu item. This is invoked when the user | 66 // The tooltip shown for the menu item. This is invoked when the user |
| 57 // hovers over the item, and no tooltip text has been set for that item. | 67 // hovers over the item, and no tooltip text has been set for that item. |
| 58 virtual std::wstring GetTooltipText(int id, const gfx::Point& screen_loc); | 68 virtual std::wstring GetTooltipText(int id, const gfx::Point& screen_loc); |
| 59 | 69 |
| 60 // If there is an accelerator for the menu item with id |id| it is set in | 70 // If there is an accelerator for the menu item with id |id| it is set in |
| 61 // |accelerator| and true is returned. | 71 // |accelerator| and true is returned. |
| 62 virtual bool GetAccelerator(int id, Accelerator* accelerator); | 72 virtual bool GetAccelerator(int id, Accelerator* accelerator); |
| 63 | 73 |
| 64 // Shows the context menu with the specified id. This is invoked when the | 74 // Shows the context menu with the specified id. This is invoked when the |
| 65 // user does the appropriate gesture to show a context menu. The id | 75 // user does the appropriate gesture to show a context menu. The id |
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| 174 bool* has_mnemonics, | 184 bool* has_mnemonics, |
| 175 MenuButton** button); | 185 MenuButton** button); |
| 176 | 186 |
| 177 // Returns the max width menus can grow to be. | 187 // Returns the max width menus can grow to be. |
| 178 virtual int GetMaxWidthForMenu(); | 188 virtual int GetMaxWidthForMenu(); |
| 179 }; | 189 }; |
| 180 | 190 |
| 181 } // namespace views | 191 } // namespace views |
| 182 | 192 |
| 183 #endif // VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ | 193 #endif // VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_ |
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