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
|
// Copyright (c) 2009 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.
#ifndef VIEWS_EXAMPLES_TEXTFIELD_EXAMPLE_H_
#define VIEWS_EXAMPLES_TEXTFIELD_EXAMPLE_H_
#include "base/utf_string_conversions.h"
#include "views/controls/button/text_button.h"
#include "views/controls/label.h"
#include "views/controls/tabbed_pane/tabbed_pane.h"
#include "views/controls/textfield/textfield.h"
#include "views/examples/example_base.h"
namespace examples {
using views::Textfield;
// TextfieldExample mimics login screen.
class TextfieldExample : public ExampleBase,
public Textfield::Controller,
public views::ButtonListener {
public:
explicit TextfieldExample(ExamplesMain* main) : ExampleBase(main) {}
virtual ~TextfieldExample() {}
virtual std::wstring GetExampleTitle() {
return L"Textfield";
}
virtual void CreateExampleView(views::View* container) {
name_ = new Textfield();
password_ = new Textfield(Textfield::STYLE_PASSWORD);
password_->set_text_to_display_when_empty(ASCIIToUTF16("password"));
show_password_ = new views::TextButton(this, L"Show password");
clear_all_ = new views::TextButton(this, L"Clear All");
append_ = new views::TextButton(this, L"Append");
name_->SetController(this);
password_->SetController(this);
views::GridLayout* layout = new views::GridLayout(container);
container->SetLayoutManager(layout);
views::ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL,
0.2f, views::GridLayout::USE_PREF, 0, 0);
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
0.8f, views::GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, 0);
layout->AddView(new views::Label(L"Name:"));
layout->AddView(name_);
layout->StartRow(0, 0);
layout->AddView(new views::Label(L"Password:"));
layout->AddView(password_);
layout->StartRow(0, 0);
layout->AddView(show_password_);
layout->StartRow(0, 0);
layout->AddView(clear_all_);
layout->StartRow(0, 0);
layout->AddView(append_);
}
private:
// Textfield::Controller implementations:
// This method is called whenever the text in the field changes.
virtual void ContentsChanged(Textfield* sender,
const string16& new_contents) {
if (sender == name_) {
PrintStatus(L"Name [%ls]", UTF16ToWideHack(new_contents).c_str());
} else if (sender == password_) {
PrintStatus(L"Password [%ls]", UTF16ToWideHack(new_contents).c_str());
}
}
// Let the control handle keystrokes.
virtual bool HandleKeystroke(Textfield* sender,
const Textfield::Keystroke& keystroke) {
return false;
}
// ButtonListner implementation.
virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
if (sender == show_password_) {
PrintStatus(L"Password [%ls]",
UTF16ToWideHack(password_->text()).c_str());
} else if (sender == clear_all_) {
string16 empty;
name_->SetText(empty);
password_->SetText(empty);
} else if (sender == append_) {
name_->AppendText(WideToUTF16(L"[append]"));
}
}
// Textfields for name and password.
views::Textfield* name_;
views::Textfield* password_;
// Buttons to show password text and to clear the textfields.
views::TextButton* show_password_;
views::TextButton* clear_all_;
views::TextButton* append_;
DISALLOW_COPY_AND_ASSIGN(TextfieldExample);
};
} // namespace examples
#endif // VIEWS_EXAMPLES_TEXTFIELD_EXAMPLE_H_
|
