Inside Bitcoin

1// Copyright (c) 2011-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <qt/qvalidatedlineedit.h>
6
7#include <qt/bitcoinaddressvalidator.h>
8#include <qt/guiconstants.h>
9
10QValidatedLineEdit::QValidatedLineEdit(QWidget* parent)
11    : QLineEdit(parent)
12{
13    connect(this, &QValidatedLineEdit::textChanged, this, &QValidatedLineEdit::markValid);
14}
15
16void QValidatedLineEdit::setText(const QString& text)
17{
18    QLineEdit::setText(text);
19    checkValidity();
20}
21
22void QValidatedLineEdit::setValid(bool _valid)
23{
24    if(_valid == this->valid)
25    {
26        return;
27    }
28
29    if(_valid)
30    {
31        setStyleSheet("");
32    }
33    else
34    {
35        setStyleSheet("QValidatedLineEdit { " STYLE_INVALID "}");
36    }
37    this->valid = _valid;
38}
39
40void QValidatedLineEdit::focusInEvent(QFocusEvent *evt)
41{
42    // Clear invalid flag on focus
43    setValid(true);
44
45    QLineEdit::focusInEvent(evt);
46}
47
48void QValidatedLineEdit::focusOutEvent(QFocusEvent *evt)
49{
50    checkValidity();
51
52    QLineEdit::focusOutEvent(evt);
53}
54
55void QValidatedLineEdit::markValid()
56{
57    // As long as a user is typing ensure we display state as valid
58    setValid(true);
59}
60
61void QValidatedLineEdit::clear()
62{
63    setValid(true);
64    QLineEdit::clear();
65}
66
67void QValidatedLineEdit::setEnabled(bool enabled)
68{
69    if (!enabled)
70    {
71        // A disabled QValidatedLineEdit should be marked valid
72        setValid(true);
73    }
74    else
75    {
76        // Recheck validity when QValidatedLineEdit gets enabled
77        checkValidity();
78    }
79
80    QLineEdit::setEnabled(enabled);
81}
82
83void QValidatedLineEdit::checkValidity()
84{
85    if (text().isEmpty())
86    {
87        setValid(true);
88    }
89    else if (hasAcceptableInput())
90    {
91        setValid(true);
92
93        // Check contents on focus out
94        if (checkValidator)
95        {
96            QString address = text();
97            int pos = 0;
98            if (checkValidator->validate(address, pos) == QValidator::Acceptable)
99                setValid(true);
100            else
101                setValid(false);
102        }
103    }
104    else
105        setValid(false);
106
107    Q_EMIT validationDidChange(this);
108}
109
110void QValidatedLineEdit::setCheckValidator(const QValidator *v)
111{
112    checkValidator = v;
113    checkValidity();
114}
115
116bool QValidatedLineEdit::isValid()
117{
118    // use checkValidator in case the QValidatedLineEdit is disabled
119    if (checkValidator)
120    {
121        QString address = text();
122        int pos = 0;
123        if (checkValidator->validate(address, pos) == QValidator::Acceptable)
124            return true;
125    }
126
127    return valid;
128}
129
130#include <moc_qvalidatedlineedit.cpp>
131