1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/examples/button_example.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/image/image.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/blue_button.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/resources/grit/views_resources.h"
#include "ui/views/view.h"
using base::ASCIIToUTF16;
namespace {
const char kLabelButton[] = "Label Button";
const char kLongText[] = "Start of Really Really Really Really Really Really "
"Really Really Really Really Really Really Really "
"Really Really Really Really Really Long Button Text";
} // namespace
namespace views {
namespace examples {
ButtonExample::ButtonExample() : ExampleBase("Button") {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
icon_ = rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia();
}
ButtonExample::~ButtonExample() {
}
void ButtonExample::CreateExampleView(View* container) {
container->SetBackground(CreateSolidBackground(SK_ColorWHITE));
auto layout =
std::make_unique<BoxLayout>(BoxLayout::kVertical, gfx::Insets(10), 10);
layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
container->SetLayoutManager(std::move(layout));
label_button_ = new LabelButton(this, ASCIIToUTF16(kLabelButton));
label_button_->SetFocusForPlatform();
label_button_->set_request_focus_on_press(true);
container->AddChildView(label_button_);
styled_button_ = new LabelButton(this, ASCIIToUTF16("Styled Button"));
styled_button_->SetStyleDeprecated(Button::STYLE_BUTTON);
container->AddChildView(styled_button_);
disabled_button_ = new LabelButton(this, ASCIIToUTF16("Disabled Button"));
disabled_button_->SetStyleDeprecated(Button::STYLE_BUTTON);
disabled_button_->SetState(Button::STATE_DISABLED);
container->AddChildView(disabled_button_);
container->AddChildView(new BlueButton(this, ASCIIToUTF16("Blue Button")));
md_button_ =
MdTextButton::Create(this, base::ASCIIToUTF16("Material design"));
container->AddChildView(md_button_);
md_default_button_ =
MdTextButton::Create(this, base::ASCIIToUTF16("Default"));
md_default_button_->SetIsDefault(true);
container->AddChildView(md_default_button_);
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
image_button_ = new ImageButton(this);
image_button_->SetFocusForPlatform();
image_button_->set_request_focus_on_press(true);
image_button_->SetImage(ImageButton::STATE_NORMAL,
rb.GetImageNamed(IDR_CLOSE).ToImageSkia());
image_button_->SetImage(ImageButton::STATE_HOVERED,
rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia());
image_button_->SetImage(ImageButton::STATE_PRESSED,
rb.GetImageNamed(IDR_CLOSE_P).ToImageSkia());
container->AddChildView(image_button_);
}
void ButtonExample::LabelButtonPressed(LabelButton* label_button,
const ui::Event& event) {
PrintStatus("Label Button Pressed! count: %d", ++count_);
if (event.IsControlDown()) {
if (event.IsShiftDown()) {
label_button->SetText(ASCIIToUTF16(
label_button->GetText().empty()
? kLongText
: label_button->GetText().length() > 50 ? kLabelButton : ""));
} else if (event.IsAltDown()) {
label_button->SetImage(
Button::STATE_NORMAL,
label_button->GetImage(Button::STATE_NORMAL).isNull()
? *icon_
: gfx::ImageSkia());
} else {
static int alignment = 0;
label_button->SetHorizontalAlignment(
static_cast<gfx::HorizontalAlignment>(++alignment % 3));
}
} else if (event.IsShiftDown()) {
if (event.IsAltDown()) {
// Toggle focusability.
label_button_->IsAccessibilityFocusable()
? label_button_->SetFocusBehavior(View::FocusBehavior::NEVER)
: label_button_->SetFocusForPlatform();
} else {
label_button->SetStyleDeprecated(static_cast<Button::ButtonStyle>(
(label_button->style() + 1) % Button::STYLE_COUNT));
}
} else if (event.IsAltDown()) {
label_button->SetIsDefault(!label_button->is_default());
}
example_view()->GetLayoutManager()->Layout(example_view());
}
void ButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
if (sender == label_button_)
LabelButtonPressed(label_button_, event);
else if (sender == styled_button_)
LabelButtonPressed(styled_button_, event);
else if (sender == disabled_button_)
LabelButtonPressed(disabled_button_, event);
else if (sender == md_button_ || sender == md_default_button_)
static_cast<Button*>(sender)->StartThrobbing(5);
else
PrintStatus("Image Button Pressed! count: %d", ++count_);
}
} // namespace examples
} // namespace views
|
