| OLD | NEW |
|---|
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "views/controls/combobox/combobox.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/utf_string_conversions.h" | |
| 9 #include "ui/base/accessibility/accessible_view_state.h" | |
| 10 #include "ui/base/keycodes/keyboard_codes.h" | |
| 11 #include "ui/base/models/combobox_model.h" | |
| 12 #include "ui/views/widget/widget.h" | |
| 13 #include "views/controls/combobox/combobox_listener.h" | |
| 14 #include "views/controls/native/native_view_host.h" | |
| 15 | |
| 16 namespace views { | |
| 17 | |
| 18 // static | |
| 19 const char Combobox::kViewClassName[] = "views/Combobox"; | |
| 20 | |
| 21 //////////////////////////////////////////////////////////////////////////////// | |
| 22 // Combobox, public: | |
| 23 | |
| 24 Combobox::Combobox(ui::ComboboxModel* model) | |
| 25 : native_wrapper_(NULL), | |
| 26 model_(model), | |
| 27 listener_(NULL), | |
| 28 selected_item_(0) { | |
| 29 set_focusable(true); | |
| 30 } | |
| 31 | |
| 32 Combobox::~Combobox() { | |
| 33 } | |
| 34 | |
| 35 void Combobox::ModelChanged() { | |
| 36 selected_item_ = std::min(0, model_->GetItemCount()); | |
| 37 if (native_wrapper_) | |
| 38 native_wrapper_->UpdateFromModel(); | |
| 39 PreferredSizeChanged(); | |
| 40 } | |
| 41 | |
| 42 void Combobox::SetSelectedItem(int index) { | |
| 43 selected_item_ = index; | |
| 44 if (native_wrapper_) | |
| 45 native_wrapper_->UpdateSelectedItem(); | |
| 46 } | |
| 47 | |
| 48 void Combobox::SelectionChanged() { | |
| 49 int prev_selected_item = selected_item_; | |
| 50 selected_item_ = native_wrapper_->GetSelectedItem(); | |
| 51 if (listener_) | |
| 52 listener_->ItemChanged(this, prev_selected_item, selected_item_); | |
| 53 if (GetWidget()) { | |
| 54 GetWidget()->NotifyAccessibilityEvent( | |
| 55 this, ui::AccessibilityTypes::EVENT_VALUE_CHANGED, false); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 void Combobox::SetAccessibleName(const string16& name) { | |
| 60 accessible_name_ = name; | |
| 61 } | |
| 62 | |
| 63 //////////////////////////////////////////////////////////////////////////////// | |
| 64 // Combobox, View overrides: | |
| 65 | |
| 66 gfx::Size Combobox::GetPreferredSize() { | |
| 67 if (native_wrapper_) | |
| 68 return native_wrapper_->GetPreferredSize(); | |
| 69 return gfx::Size(); | |
| 70 } | |
| 71 | |
| 72 void Combobox::Layout() { | |
| 73 if (native_wrapper_) { | |
| 74 native_wrapper_->GetView()->SetBounds(0, 0, width(), height()); | |
| 75 native_wrapper_->GetView()->Layout(); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 void Combobox::OnEnabledChanged() { | |
| 80 View::OnEnabledChanged(); | |
| 81 if (native_wrapper_) | |
| 82 native_wrapper_->UpdateEnabled(); | |
| 83 } | |
| 84 | |
| 85 // VKEY_ESCAPE should be handled by this view when the drop down list is active. | |
| 86 // In other words, the list should be closed instead of the dialog. | |
| 87 bool Combobox::SkipDefaultKeyEventProcessing(const KeyEvent& e) { | |
| 88 if (e.key_code() != ui::VKEY_ESCAPE || | |
| 89 e.IsShiftDown() || e.IsControlDown() || e.IsAltDown()) { | |
| 90 return false; | |
| 91 } | |
| 92 return native_wrapper_ && native_wrapper_->IsDropdownOpen(); | |
| 93 } | |
| 94 | |
| 95 void Combobox::OnPaintFocusBorder(gfx::Canvas* canvas) { | |
| 96 if (NativeViewHost::kRenderNativeControlFocus) | |
| 97 View::OnPaintFocusBorder(canvas); | |
| 98 } | |
| 99 | |
| 100 bool Combobox::OnKeyPressed(const views::KeyEvent& e) { | |
| 101 return native_wrapper_ && native_wrapper_->HandleKeyPressed(e); | |
| 102 } | |
| 103 | |
| 104 bool Combobox::OnKeyReleased(const views::KeyEvent& e) { | |
| 105 return native_wrapper_ && native_wrapper_->HandleKeyReleased(e); | |
| 106 } | |
| 107 | |
| 108 void Combobox::OnFocus() { | |
| 109 // Forward the focus to the wrapper. | |
| 110 if (native_wrapper_) | |
| 111 native_wrapper_->SetFocus(); | |
| 112 else | |
| 113 View::OnFocus(); // Will focus the RootView window (so we still get | |
| 114 // keyboard messages). | |
| 115 } | |
| 116 | |
| 117 void Combobox::OnBlur() { | |
| 118 if (native_wrapper_) | |
| 119 native_wrapper_->HandleBlur(); | |
| 120 } | |
| 121 | |
| 122 void Combobox::GetAccessibleState(ui::AccessibleViewState* state) { | |
| 123 state->role = ui::AccessibilityTypes::ROLE_COMBOBOX; | |
| 124 state->name = accessible_name_; | |
| 125 state->value = model_->GetItemAt(selected_item_); | |
| 126 state->index = selected_item(); | |
| 127 state->count = model()->GetItemCount(); | |
| 128 } | |
| 129 | |
| 130 void Combobox::ViewHierarchyChanged(bool is_add, View* parent, View* child) { | |
| 131 if (is_add && !native_wrapper_ && GetWidget()) { | |
| 132 // The native wrapper's lifetime will be managed by the view hierarchy after | |
| 133 // we call AddChildView. | |
| 134 native_wrapper_ = NativeComboboxWrapper::CreateWrapper(this); | |
| 135 AddChildView(native_wrapper_->GetView()); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 std::string Combobox::GetClassName() const { | |
| 140 return kViewClassName; | |
| 141 } | |
| 142 | |
| 143 } // namespace views | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8682011:
views: Move combobox directory to ui/views/controls/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src