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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
// 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/textfield_example.h"
#include <stddef.h>
#include "base/strings/utf_string_conversions.h"
#include "ui/events/event.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/range/range.h"
#include "ui/gfx/render_text.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/view.h"
using base::ASCIIToUTF16;
using base::UTF16ToUTF8;
namespace views {
namespace examples {
TextfieldExample::TextfieldExample()
: ExampleBase("Textfield"),
name_(nullptr),
password_(nullptr),
disabled_(nullptr),
read_only_(nullptr),
invalid_(nullptr),
show_password_(nullptr),
clear_all_(nullptr),
append_(nullptr),
set_(nullptr),
set_style_(nullptr) {}
TextfieldExample::~TextfieldExample() {}
void TextfieldExample::CreateExampleView(View* container) {
name_ = new Textfield();
password_ = new Textfield();
password_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
password_->set_placeholder_text(ASCIIToUTF16("password"));
disabled_ = new Textfield();
disabled_->SetEnabled(false);
disabled_->SetText(ASCIIToUTF16("disabled"));
read_only_ = new Textfield();
read_only_->SetReadOnly(true);
read_only_->SetText(ASCIIToUTF16("read only"));
invalid_ = new Textfield();
invalid_->SetInvalid(true);
show_password_ = new LabelButton(this, ASCIIToUTF16("Show password"));
set_background_ =
new LabelButton(this, ASCIIToUTF16("Set non-default background"));
clear_all_ = new LabelButton(this, ASCIIToUTF16("Clear All"));
append_ = new LabelButton(this, ASCIIToUTF16("Append"));
set_ = new LabelButton(this, ASCIIToUTF16("Set"));
set_style_ = new LabelButton(this, ASCIIToUTF16("Set Styles"));
name_->set_controller(this);
password_->set_controller(this);
GridLayout* layout = container->SetLayoutManager(
std::make_unique<views::GridLayout>(container));
ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddColumn(GridLayout::LEADING, GridLayout::FILL,
0.2f, GridLayout::USE_PREF, 0, 0);
column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
0.8f, GridLayout::USE_PREF, 0, 0);
auto MakeRow = [layout](View* view1, View* view2) {
layout->StartRowWithPadding(0, 0, 0, 5);
layout->AddView(view1);
if (view2)
layout->AddView(view2);
};
MakeRow(new Label(ASCIIToUTF16("Name:")), name_);
MakeRow(new Label(ASCIIToUTF16("Password:")), password_);
MakeRow(new Label(ASCIIToUTF16("Disabled:")), disabled_);
MakeRow(new Label(ASCIIToUTF16("Read Only:")), read_only_);
MakeRow(new Label(ASCIIToUTF16("Invalid:")), invalid_);
MakeRow(new Label(ASCIIToUTF16("Name:")), nullptr);
MakeRow(show_password_, nullptr);
MakeRow(set_background_, nullptr);
MakeRow(clear_all_, nullptr);
MakeRow(append_, nullptr);
MakeRow(set_, nullptr);
MakeRow(set_style_, nullptr);
}
void TextfieldExample::ContentsChanged(Textfield* sender,
const base::string16& new_contents) {
if (sender == name_) {
PrintStatus("Name [%s]", UTF16ToUTF8(new_contents).c_str());
} else if (sender == password_) {
PrintStatus("Password [%s]", UTF16ToUTF8(new_contents).c_str());
} else {
NOTREACHED();
}
}
bool TextfieldExample::HandleKeyEvent(Textfield* sender,
const ui::KeyEvent& key_event) {
return false;
}
bool TextfieldExample::HandleMouseEvent(Textfield* sender,
const ui::MouseEvent& mouse_event) {
PrintStatus("HandleMouseEvent click count=%d", mouse_event.GetClickCount());
return false;
}
void TextfieldExample::ButtonPressed(Button* sender, const ui::Event& event) {
if (sender == show_password_) {
PrintStatus("Password [%s]", UTF16ToUTF8(password_->text()).c_str());
} else if (sender == set_background_) {
password_->SetBackgroundColor(gfx::kGoogleRed300);
} else if (sender == clear_all_) {
base::string16 empty;
name_->SetText(empty);
password_->SetText(empty);
disabled_->SetText(empty);
read_only_->SetText(empty);
invalid_->SetText(empty);
} else if (sender == append_) {
name_->AppendText(ASCIIToUTF16("[append]"));
password_->AppendText(ASCIIToUTF16("[append]"));
disabled_->SetText(ASCIIToUTF16("[append]"));
read_only_->AppendText(ASCIIToUTF16("[append]"));
invalid_->AppendText(ASCIIToUTF16("[append]"));
} else if (sender == set_) {
name_->SetText(ASCIIToUTF16("[set]"));
password_->SetText(ASCIIToUTF16("[set]"));
disabled_->SetText(ASCIIToUTF16("[set]"));
read_only_->SetText(ASCIIToUTF16("[set]"));
invalid_->SetText(ASCIIToUTF16("[set]"));
} else if (sender == set_style_) {
if (!name_->text().empty()) {
name_->SetColor(SK_ColorGREEN);
if (name_->text().length() >= 5) {
size_t fifth = name_->text().length() / 5;
const gfx::Range big_range(1 * fifth, 4 * fifth);
name_->ApplyStyle(gfx::UNDERLINE, true, big_range);
name_->ApplyColor(SK_ColorBLUE, big_range);
const gfx::Range small_range(2 * fifth, 3 * fifth);
name_->ApplyStyle(gfx::ITALIC, true, small_range);
name_->ApplyStyle(gfx::UNDERLINE, false, small_range);
name_->ApplyColor(SK_ColorRED, small_range);
}
}
}
}
} // namespace examples
} // namespace views
|
