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/label_example.h"
6
7#include "base/strings/utf_string_conversions.h"
8#include "ui/views/border.h"
9#include "ui/views/controls/label.h"
10#include "ui/views/layout/box_layout.h"
11#include "ui/views/view.h"
12
13namespace views {
14namespace examples {
15
16namespace {
17
18// A Label with a constrained preferred size to demonstrate eliding or wrapping.
19class PreferredSizeLabel : public Label {
20 public:
21  PreferredSizeLabel();
22  virtual ~PreferredSizeLabel();
23
24  // Overridden from Label:
25  virtual gfx::Size GetPreferredSize() OVERRIDE;
26
27 private:
28  DISALLOW_COPY_AND_ASSIGN(PreferredSizeLabel);
29};
30
31PreferredSizeLabel::PreferredSizeLabel() : Label() {
32  set_border(Border::CreateSolidBorder(2, SK_ColorCYAN));
33}
34
35PreferredSizeLabel::~PreferredSizeLabel() {}
36
37gfx::Size PreferredSizeLabel::GetPreferredSize() { return gfx::Size(100, 40); }
38
39}  // namespace
40
41LabelExample::LabelExample() : ExampleBase("Label") {}
42
43LabelExample::~LabelExample() {}
44
45void LabelExample::CreateExampleView(View* container) {
46  // A very simple label example, followed by additional helpful examples.
47  container->SetLayoutManager(new BoxLayout(BoxLayout::kVertical, 0, 0, 10));
48  Label* label = new Label(ASCIIToUTF16("Hello world!"));
49  container->AddChildView(label);
50
51  const wchar_t hello_world_hebrew[] =
52      L"\x5e9\x5dc\x5d5\x5dd \x5d4\x5e2\x5d5\x5dc\x5dd!";
53  label = new Label(WideToUTF16(hello_world_hebrew));
54  label->SetHorizontalAlignment(gfx::ALIGN_RIGHT);
55  container->AddChildView(label);
56
57  label = new Label(WideToUTF16(L"A UTF16 surrogate pair: \x5d0\x5b0"));
58  label->SetHorizontalAlignment(gfx::ALIGN_RIGHT);
59  container->AddChildView(label);
60
61  label = new Label(ASCIIToUTF16("A left-aligned blue label."));
62  label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
63  label->SetEnabledColor(SK_ColorBLUE);
64  container->AddChildView(label);
65
66  label = new Label(ASCIIToUTF16("A Courier-18 label with a shadow."));
67  label->SetFont(gfx::Font("Courier", 18));
68  label->SetShadowColors(SK_ColorGRAY, SK_ColorLTGRAY);
69  label->SetShadowOffset(1, 1);
70  container->AddChildView(label);
71
72  label = new PreferredSizeLabel();
73  label->SetText(ASCIIToUTF16("A long label will elide toward its logical end "
74      "if the text's width exceeds the label's available width."));
75  container->AddChildView(label);
76
77  label = new PreferredSizeLabel();
78  label->SetText(ASCIIToUTF16("A multi-line label will wrap onto subsequent "
79      "lines if the text's width exceeds the label's available width."));
80  label->SetMultiLine(true);
81  container->AddChildView(label);
82}
83
84}  // namespace examples
85}  // namespace views
86