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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 #include "ui/views/controls/menu/native_menu_win.h" | 5 #include "ui/views/controls/menu/native_menu_win.h" |
6 | 6 |
7 #include <Windowsx.h> | 7 #include <Windowsx.h> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/message_loop.h" | 11 #include "base/message_loop.h" |
12 #include "base/stl_util.h" | 12 #include "base/stl_util.h" |
13 #include "base/string_util.h" | 13 #include "base/string_util.h" |
14 #include "base/win/wrapped_window_proc.h" | 14 #include "base/win/wrapped_window_proc.h" |
15 #include "ui/base/accelerators/accelerator.h" | 15 #include "ui/base/accelerators/accelerator.h" |
16 #include "ui/base/keycodes/keyboard_codes.h" | 16 #include "ui/base/keycodes/keyboard_codes.h" |
17 #include "ui/base/l10n/l10n_util.h" | 17 #include "ui/base/l10n/l10n_util.h" |
18 #include "ui/base/l10n/l10n_util_win.h" | 18 #include "ui/base/l10n/l10n_util_win.h" |
19 #include "ui/base/models/menu_model.h" | 19 #include "ui/base/models/menu_model.h" |
20 #include "ui/base/win/hwnd_util.h" | 20 #include "ui/base/win/hwnd_util.h" |
21 #include "ui/gfx/canvas.h" | 21 #include "ui/gfx/canvas.h" |
22 #include "ui/gfx/font.h" | 22 #include "ui/gfx/font.h" |
23 #include "ui/gfx/image/image.h" | 23 #include "ui/gfx/image/image.h" |
24 #include "ui/gfx/image/image_skia.h" | 24 #include "ui/gfx/image/image_skia.h" |
25 #include "ui/gfx/rect.h" | 25 #include "ui/gfx/rect.h" |
26 #include "ui/native_theme/native_theme.h" | 26 #include "ui/native_theme/native_theme.h" |
27 #include "ui/native_theme/native_theme_win.h" | 27 #include "ui/native_theme/native_theme_win.h" |
28 #include "ui/views/controls/menu/menu_2.h" | |
29 #include "ui/views/controls/menu/menu_config.h" | 28 #include "ui/views/controls/menu/menu_config.h" |
| 29 #include "ui/views/controls/menu/menu_insertion_delegate.h" |
30 #include "ui/views/controls/menu/menu_listener.h" | 30 #include "ui/views/controls/menu/menu_listener.h" |
31 | 31 |
32 using ui::NativeTheme; | 32 using ui::NativeTheme; |
33 | 33 |
34 namespace views { | 34 namespace views { |
35 | 35 |
36 // The width of an icon, including the pixels between the icon and | 36 // The width of an icon, including the pixels between the icon and |
37 // the item label. | 37 // the item label. |
38 static const int kIconWidth = 23; | 38 static const int kIconWidth = 23; |
39 // Margins between the top of the item and the label. | 39 // Margins between the top of the item and the label. |
40 static const int kItemTopMargin = 3; | 40 static const int kItemTopMargin = 3; |
41 // Margins between the bottom of the item and the label. | 41 // Margins between the bottom of the item and the label. |
42 static const int kItemBottomMargin = 4; | 42 static const int kItemBottomMargin = 4; |
43 // Margins between the left of the item and the icon. | 43 // Margins between the left of the item and the icon. |
44 static const int kItemLeftMargin = 4; | 44 static const int kItemLeftMargin = 4; |
45 // Margins between the right of the item and the label. | 45 // Margins between the right of the item and the label. |
46 static const int kItemRightMargin = 10; | 46 static const int kItemRightMargin = 10; |
47 // The width for displaying the sub-menu arrow. | 47 // The width for displaying the sub-menu arrow. |
48 static const int kArrowWidth = 10; | 48 static const int kArrowWidth = 10; |
49 | 49 |
50 struct NativeMenuWin::ItemData { | 50 struct NativeMenuWin::ItemData { |
51 // The Windows API requires that whoever creates the menus must own the | 51 // The Windows API requires that whoever creates the menus must own the |
52 // strings used for labels, and keep them around for the lifetime of the | 52 // strings used for labels, and keep them around for the lifetime of the |
53 // created menu. So be it. | 53 // created menu. So be it. |
54 string16 label; | 54 string16 label; |
55 | 55 |
56 // Someone needs to own submenus, it may as well be us. | 56 // Someone needs to own submenus, it may as well be us. |
57 scoped_ptr<Menu2> submenu; | 57 scoped_ptr<NativeMenuWin> submenu; |
58 | 58 |
59 // We need a pointer back to the containing menu in various circumstances. | 59 // We need a pointer back to the containing menu in various circumstances. |
60 NativeMenuWin* native_menu_win; | 60 NativeMenuWin* native_menu_win; |
61 | 61 |
62 // The index of the item within the menu's model. | 62 // The index of the item within the menu's model. |
63 int model_index; | 63 int model_index; |
64 }; | 64 }; |
65 | 65 |
66 // Returns the NativeMenuWin for a particular HMENU. | 66 // Returns the NativeMenuWin for a particular HMENU. |
67 static NativeMenuWin* GetNativeMenuWinFromHMENU(HMENU hmenu) { | 67 static NativeMenuWin* GetNativeMenuWinFromHMENU(HMENU hmenu) { |
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145 // Called when the user selects a specific item. | 145 // Called when the user selects a specific item. |
146 void OnMenuCommand(int position, HMENU menu) { | 146 void OnMenuCommand(int position, HMENU menu) { |
147 NativeMenuWin* menu_win = GetNativeMenuWinFromHMENU(menu); | 147 NativeMenuWin* menu_win = GetNativeMenuWinFromHMENU(menu); |
148 ui::MenuModel* model = menu_win->model_; | 148 ui::MenuModel* model = menu_win->model_; |
149 NativeMenuWin* root_menu = menu_win; | 149 NativeMenuWin* root_menu = menu_win; |
150 while (root_menu->parent_) | 150 while (root_menu->parent_) |
151 root_menu = root_menu->parent_; | 151 root_menu = root_menu->parent_; |
152 | 152 |
153 // Only notify the model if it didn't already send out notification. | 153 // Only notify the model if it didn't already send out notification. |
154 // See comment in MenuMessageHook for details. | 154 // See comment in MenuMessageHook for details. |
155 if (root_menu->menu_action_ == MenuWrapper::MENU_ACTION_NONE) | 155 if (root_menu->menu_action_ == MENU_ACTION_NONE) |
156 model->ActivatedAt(position); | 156 model->ActivatedAt(position); |
157 } | 157 } |
158 | 158 |
159 // Called as the user moves their mouse or arrows through the contents of the | 159 // Called as the user moves their mouse or arrows through the contents of the |
160 // menu. | 160 // menu. |
161 void OnMenuSelect(WPARAM w_param, HMENU menu) { | 161 void OnMenuSelect(WPARAM w_param, HMENU menu) { |
162 if (!menu) | 162 if (!menu) |
163 return; // menu is null when closing on XP. | 163 return; // menu is null when closing on XP. |
164 | 164 |
165 int position = GetMenuItemIndexFromWPARAM(menu, w_param); | 165 int position = GetMenuItemIndexFromWPARAM(menu, w_param); |
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403 destroyed_flag_(NULL) { | 403 destroyed_flag_(NULL) { |
404 } | 404 } |
405 | 405 |
406 NativeMenuWin::~NativeMenuWin() { | 406 NativeMenuWin::~NativeMenuWin() { |
407 if (destroyed_flag_) | 407 if (destroyed_flag_) |
408 *destroyed_flag_ = true; | 408 *destroyed_flag_ = true; |
409 STLDeleteContainerPointers(items_.begin(), items_.end()); | 409 STLDeleteContainerPointers(items_.begin(), items_.end()); |
410 DestroyMenu(menu_); | 410 DestroyMenu(menu_); |
411 } | 411 } |
412 | 412 |
413 //////////////////////////////////////////////////////////////////////////////// | |
414 // NativeMenuWin, MenuWrapper implementation: | |
415 | |
416 void NativeMenuWin::RunMenuAt(const gfx::Point& point, int alignment) { | 413 void NativeMenuWin::RunMenuAt(const gfx::Point& point, int alignment) { |
417 CreateHostWindow(); | 414 CreateHostWindow(); |
418 UpdateStates(); | 415 UpdateStates(); |
419 UINT flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_RECURSE; | 416 UINT flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON | TPM_RECURSE; |
420 flags |= GetAlignmentFlags(alignment); | 417 flags |= GetAlignmentFlags(alignment); |
421 menu_action_ = MENU_ACTION_NONE; | 418 menu_action_ = MENU_ACTION_NONE; |
422 | 419 |
423 // Set a hook function so we can listen for keyboard events while the | 420 // Set a hook function so we can listen for keyboard events while the |
424 // menu is open, and store a pointer to this object in a static | 421 // menu is open, and store a pointer to this object in a static |
425 // variable so the hook has access to it (ugly, but it's the | 422 // variable so the hook has access to it (ugly, but it's the |
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462 } | 459 } |
463 // Send MenuClosed after we schedule the select, otherwise MenuClosed is | 460 // Send MenuClosed after we schedule the select, otherwise MenuClosed is |
464 // processed after the select (MenuClosed posts a delayed task too). | 461 // processed after the select (MenuClosed posts a delayed task too). |
465 model_->MenuClosed(); | 462 model_->MenuClosed(); |
466 } | 463 } |
467 | 464 |
468 void NativeMenuWin::CancelMenu() { | 465 void NativeMenuWin::CancelMenu() { |
469 EndMenu(); | 466 EndMenu(); |
470 } | 467 } |
471 | 468 |
472 void NativeMenuWin::Rebuild(InsertionDelegate* delegate) { | 469 void NativeMenuWin::Rebuild(MenuInsertionDelegate* delegate) { |
473 ResetNativeMenu(); | 470 ResetNativeMenu(); |
474 items_.clear(); | 471 items_.clear(); |
475 | 472 |
476 owner_draw_ = model_->HasIcons() || owner_draw_; | 473 owner_draw_ = model_->HasIcons() || owner_draw_; |
477 first_item_index_ = delegate ? delegate->GetInsertionIndex(menu_) : 0; | 474 first_item_index_ = delegate ? delegate->GetInsertionIndex(menu_) : 0; |
478 for (int menu_index = first_item_index_; | 475 for (int menu_index = first_item_index_; |
479 menu_index < first_item_index_ + model_->GetItemCount(); ++menu_index) { | 476 menu_index < first_item_index_ + model_->GetItemCount(); ++menu_index) { |
480 int model_index = menu_index - first_item_index_; | 477 int model_index = menu_index - first_item_index_; |
481 if (model_->GetTypeAt(model_index) == ui::MenuModel::TYPE_SEPARATOR) | 478 if (model_->GetTypeAt(model_index) == ui::MenuModel::TYPE_SEPARATOR) |
482 AddSeparatorItemAt(menu_index, model_index); | 479 AddSeparatorItemAt(menu_index, model_index); |
483 else | 480 else |
484 AddMenuItemAt(menu_index, model_index); | 481 AddMenuItemAt(menu_index, model_index); |
485 } | 482 } |
486 } | 483 } |
487 | 484 |
488 void NativeMenuWin::UpdateStates() { | 485 void NativeMenuWin::UpdateStates() { |
489 // A depth-first walk of the menu items, updating states. | 486 // A depth-first walk of the menu items, updating states. |
490 int model_index = 0; | 487 int model_index = 0; |
491 std::vector<ItemData*>::const_iterator it; | 488 std::vector<ItemData*>::const_iterator it; |
492 for (it = items_.begin(); it != items_.end(); ++it, ++model_index) { | 489 for (it = items_.begin(); it != items_.end(); ++it, ++model_index) { |
493 int menu_index = model_index + first_item_index_; | 490 int menu_index = model_index + first_item_index_; |
494 SetMenuItemState(menu_index, model_->IsEnabledAt(model_index), | 491 SetMenuItemState(menu_index, model_->IsEnabledAt(model_index), |
495 model_->IsItemCheckedAt(model_index), false); | 492 model_->IsItemCheckedAt(model_index), false); |
496 if (model_->IsItemDynamicAt(model_index)) { | 493 if (model_->IsItemDynamicAt(model_index)) { |
497 // TODO(atwilson): Update the icon as well (http://crbug.com/66508). | 494 // TODO(atwilson): Update the icon as well (http://crbug.com/66508). |
498 SetMenuItemLabel(menu_index, model_index, | 495 SetMenuItemLabel(menu_index, model_index, |
499 model_->GetLabelAt(model_index)); | 496 model_->GetLabelAt(model_index)); |
500 } | 497 } |
501 Menu2* submenu = (*it)->submenu.get(); | 498 NativeMenuWin* submenu = (*it)->submenu.get(); |
502 if (submenu) | 499 if (submenu) |
503 submenu->UpdateStates(); | 500 submenu->UpdateStates(); |
504 } | 501 } |
505 } | 502 } |
506 | 503 |
507 HMENU NativeMenuWin::GetNativeMenu() const { | 504 HMENU NativeMenuWin::GetNativeMenu() const { |
508 return menu_; | 505 return menu_; |
509 } | 506 } |
510 | 507 |
511 NativeMenuWin::MenuAction NativeMenuWin::GetMenuAction() const { | 508 NativeMenuWin::MenuAction NativeMenuWin::GetMenuAction() const { |
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622 mii.fMask = MIIM_FTYPE | MIIM_ID | MIIM_DATA; | 619 mii.fMask = MIIM_FTYPE | MIIM_ID | MIIM_DATA; |
623 if (!owner_draw_) | 620 if (!owner_draw_) |
624 mii.fType = MFT_STRING; | 621 mii.fType = MFT_STRING; |
625 else | 622 else |
626 mii.fType = MFT_OWNERDRAW; | 623 mii.fType = MFT_OWNERDRAW; |
627 | 624 |
628 ItemData* item_data = new ItemData; | 625 ItemData* item_data = new ItemData; |
629 item_data->label = string16(); | 626 item_data->label = string16(); |
630 ui::MenuModel::ItemType type = model_->GetTypeAt(model_index); | 627 ui::MenuModel::ItemType type = model_->GetTypeAt(model_index); |
631 if (type == ui::MenuModel::TYPE_SUBMENU) { | 628 if (type == ui::MenuModel::TYPE_SUBMENU) { |
632 item_data->submenu.reset(new Menu2(model_->GetSubmenuModelAt(model_index))); | 629 item_data->submenu.reset( |
| 630 new NativeMenuWin(model_->GetSubmenuModelAt(model_index), NULL)); |
633 mii.fMask |= MIIM_SUBMENU; | 631 mii.fMask |= MIIM_SUBMENU; |
634 mii.hSubMenu = item_data->submenu->GetNativeMenu(); | 632 mii.hSubMenu = item_data->submenu->GetNativeMenu(); |
635 GetNativeMenuWinFromHMENU(mii.hSubMenu)->parent_ = this; | 633 GetNativeMenuWinFromHMENU(mii.hSubMenu)->parent_ = this; |
636 } else { | 634 } else { |
637 if (type == ui::MenuModel::TYPE_RADIO) | 635 if (type == ui::MenuModel::TYPE_RADIO) |
638 mii.fType |= MFT_RADIOCHECK; | 636 mii.fType |= MFT_RADIOCHECK; |
639 mii.wID = model_->GetCommandIdAt(model_index); | 637 mii.wID = model_->GetCommandIdAt(model_index); |
640 } | 638 } |
641 item_data->native_menu_win = this; | 639 item_data->native_menu_win = this; |
642 item_data->model_index = model_index; | 640 item_data->model_index = model_index; |
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710 items_[model_index]->label = formatted; | 708 items_[model_index]->label = formatted; |
711 | 709 |
712 // Give Windows a pointer to the label string. | 710 // Give Windows a pointer to the label string. |
713 mii->fMask |= MIIM_STRING; | 711 mii->fMask |= MIIM_STRING; |
714 mii->dwTypeData = | 712 mii->dwTypeData = |
715 const_cast<wchar_t*>(items_[model_index]->label.c_str()); | 713 const_cast<wchar_t*>(items_[model_index]->label.c_str()); |
716 } | 714 } |
717 | 715 |
718 UINT NativeMenuWin::GetAlignmentFlags(int alignment) const { | 716 UINT NativeMenuWin::GetAlignmentFlags(int alignment) const { |
719 UINT alignment_flags = TPM_TOPALIGN; | 717 UINT alignment_flags = TPM_TOPALIGN; |
720 if (alignment == Menu2::ALIGN_TOPLEFT) | 718 if (alignment == ALIGN_TOPLEFT) |
721 alignment_flags |= TPM_LEFTALIGN; | 719 alignment_flags |= TPM_LEFTALIGN; |
722 else if (alignment == Menu2::ALIGN_TOPRIGHT) | 720 else if (alignment == ALIGN_TOPRIGHT) |
723 alignment_flags |= TPM_RIGHTALIGN; | 721 alignment_flags |= TPM_RIGHTALIGN; |
724 return alignment_flags; | 722 return alignment_flags; |
725 } | 723 } |
726 | 724 |
727 void NativeMenuWin::ResetNativeMenu() { | 725 void NativeMenuWin::ResetNativeMenu() { |
728 if (IsWindow(system_menu_for_)) { | 726 if (IsWindow(system_menu_for_)) { |
729 if (menu_) | 727 if (menu_) |
730 GetSystemMenu(system_menu_for_, TRUE); | 728 GetSystemMenu(system_menu_for_, TRUE); |
731 menu_ = GetSystemMenu(system_menu_for_, FALSE); | 729 menu_ = GetSystemMenu(system_menu_for_, FALSE); |
732 } else { | 730 } else { |
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746 } | 744 } |
747 | 745 |
748 void NativeMenuWin::CreateHostWindow() { | 746 void NativeMenuWin::CreateHostWindow() { |
749 // This only gets called from RunMenuAt, and as such there is only ever one | 747 // This only gets called from RunMenuAt, and as such there is only ever one |
750 // host window per menu hierarchy, no matter how many NativeMenuWin objects | 748 // host window per menu hierarchy, no matter how many NativeMenuWin objects |
751 // exist wrapping submenus. | 749 // exist wrapping submenus. |
752 if (!host_window_.get()) | 750 if (!host_window_.get()) |
753 host_window_.reset(new MenuHostWindow(this)); | 751 host_window_.reset(new MenuHostWindow(this)); |
754 } | 752 } |
755 | 753 |
756 //////////////////////////////////////////////////////////////////////////////// | |
757 // MenuWrapper, public: | |
758 | |
759 // static | |
760 MenuWrapper* MenuWrapper::CreateWrapper(ui::MenuModel* model) { | |
761 return new NativeMenuWin(model, NULL); | |
762 } | |
763 | |
764 } // namespace views | 754 } // namespace views |
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