widgets.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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 "ash/shell.h"
6#include "base/utf_string_conversions.h"  // ASCIIToUTF16
7#include "ui/aura/root_window.h"
8#include "ui/aura/window.h"
9#include "ui/gfx/canvas.h"
10#include "ui/views/controls/button/checkbox.h"
11#include "ui/views/controls/button/label_button.h"
12#include "ui/views/controls/button/radio_button.h"
13#include "ui/views/widget/widget.h"
14#include "ui/views/widget/widget_delegate.h"
15
16namespace {
17
18// Default window position.
19const int kWindowLeft = 170;
20const int kWindowTop = 200;
21
22// Default window size.
23const int kWindowWidth = 400;
24const int kWindowHeight = 400;
25
26// A window showing samples of commonly used widgets.
27class WidgetsWindow : public views::WidgetDelegateView {
28 public:
29  WidgetsWindow();
30  virtual ~WidgetsWindow();
31
32  // Overridden from views::View:
33  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
34  virtual void Layout() OVERRIDE;
35  virtual gfx::Size GetPreferredSize() OVERRIDE;
36
37  // Overridden from views::WidgetDelegate:
38  virtual views::View* GetContentsView() OVERRIDE;
39  virtual base::string16 GetWindowTitle() const OVERRIDE;
40  virtual bool CanResize() const OVERRIDE;
41
42 private:
43  views::LabelButton* button_;
44  views::LabelButton* disabled_button_;
45  views::Checkbox* checkbox_;
46  views::Checkbox* checkbox_disabled_;
47  views::Checkbox* checkbox_checked_;
48  views::Checkbox* checkbox_checked_disabled_;
49  views::RadioButton* radio_button_;
50  views::RadioButton* radio_button_disabled_;
51  views::RadioButton* radio_button_selected_;
52  views::RadioButton* radio_button_selected_disabled_;
53};
54
55WidgetsWindow::WidgetsWindow()
56    : button_(new views::LabelButton(NULL, ASCIIToUTF16("Button"))),
57      disabled_button_(
58          new views::LabelButton(NULL, ASCIIToUTF16("Disabled button"))),
59      checkbox_(new views::Checkbox(ASCIIToUTF16("Checkbox"))),
60      checkbox_disabled_(new views::Checkbox(
61          ASCIIToUTF16("Checkbox disabled"))),
62      checkbox_checked_(new views::Checkbox(ASCIIToUTF16("Checkbox checked"))),
63      checkbox_checked_disabled_(new views::Checkbox(
64          ASCIIToUTF16("Checkbox checked disabled"))),
65      radio_button_(new views::RadioButton(ASCIIToUTF16("Radio button"), 0)),
66      radio_button_disabled_(new views::RadioButton(
67          ASCIIToUTF16("Radio button disabled"), 0)),
68      radio_button_selected_(new views::RadioButton(
69          ASCIIToUTF16("Radio button selected"), 0)),
70      radio_button_selected_disabled_(new views::RadioButton(
71          ASCIIToUTF16("Radio button selected disabled"), 1)) {
72  button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
73  AddChildView(button_);
74  disabled_button_->SetEnabled(false);
75  disabled_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
76  AddChildView(disabled_button_);
77  AddChildView(checkbox_);
78  checkbox_disabled_->SetEnabled(false);
79  AddChildView(checkbox_disabled_);
80  checkbox_checked_->SetChecked(true);
81  AddChildView(checkbox_checked_);
82  checkbox_checked_disabled_->SetChecked(true);
83  checkbox_checked_disabled_->SetEnabled(false);
84  AddChildView(checkbox_checked_disabled_);
85  AddChildView(radio_button_);
86  radio_button_disabled_->SetEnabled(false);
87  AddChildView(radio_button_disabled_);
88  radio_button_selected_->SetChecked(true);
89  AddChildView(radio_button_selected_);
90  radio_button_selected_disabled_->SetChecked(true);
91  radio_button_selected_disabled_->SetEnabled(false);
92  AddChildView(radio_button_selected_disabled_);
93}
94
95WidgetsWindow::~WidgetsWindow() {
96}
97
98void WidgetsWindow::OnPaint(gfx::Canvas* canvas) {
99  canvas->FillRect(GetLocalBounds(), SK_ColorWHITE);
100}
101
102void WidgetsWindow::Layout() {
103  const int kVerticalPad = 5;
104  int left = 5;
105  int top = kVerticalPad;
106  for (int i = 0; i < child_count(); ++i) {
107    views::View* view = child_at(i);
108    gfx::Size preferred = view->GetPreferredSize();
109    view->SetBounds(left, top, preferred.width(), preferred.height());
110    top += preferred.height() + kVerticalPad;
111  }
112}
113
114gfx::Size WidgetsWindow::GetPreferredSize() {
115  return gfx::Size(kWindowWidth, kWindowHeight);
116}
117
118views::View* WidgetsWindow::GetContentsView() {
119  return this;
120}
121
122base::string16 WidgetsWindow::GetWindowTitle() const {
123  return ASCIIToUTF16("Examples: Widgets");
124}
125
126bool WidgetsWindow::CanResize() const {
127  return true;
128}
129
130}  // namespace
131
132namespace ash {
133namespace shell {
134
135void CreateWidgetsWindow() {
136  gfx::Rect bounds(kWindowLeft, kWindowTop, kWindowWidth, kWindowHeight);
137  views::Widget* widget =
138      views::Widget::CreateWindowWithContextAndBounds(
139          new WidgetsWindow, Shell::GetPrimaryRootWindow(), bounds);
140  widget->GetNativeView()->SetName("WidgetsWindow");
141  widget->Show();
142}
143
144}  // namespace shell
145}  // namespace ash
146