Files
thehub/hub-qt/qvalidatedlineedit.cpp
T
2018-02-14 13:49:53 +01:00

138 lines
3.0 KiB
C++

/*
* This file is part of the Flowee project
* Copyright (C) 2011-2015 The Bitcoin Core developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "qvalidatedlineedit.h"
#include "bitcoinaddressvalidator.h"
#include "guiconstants.h"
QValidatedLineEdit::QValidatedLineEdit(QWidget *parent) :
QLineEdit(parent),
valid(true),
checkValidator(0)
{
connect(this, SIGNAL(textChanged(QString)), this, SLOT(markValid()));
}
void QValidatedLineEdit::setValid(bool valid)
{
if(valid == this->valid)
{
return;
}
if(valid)
{
setStyleSheet("");
}
else
{
setStyleSheet(STYLE_INVALID);
}
this->valid = valid;
}
void QValidatedLineEdit::focusInEvent(QFocusEvent *evt)
{
// Clear invalid flag on focus
setValid(true);
QLineEdit::focusInEvent(evt);
}
void QValidatedLineEdit::focusOutEvent(QFocusEvent *evt)
{
checkValidity();
QLineEdit::focusOutEvent(evt);
}
void QValidatedLineEdit::markValid()
{
// As long as a user is typing ensure we display state as valid
setValid(true);
}
void QValidatedLineEdit::clear()
{
setValid(true);
QLineEdit::clear();
}
void QValidatedLineEdit::setEnabled(bool enabled)
{
if (!enabled)
{
// A disabled QValidatedLineEdit should be marked valid
setValid(true);
}
else
{
// Recheck validity when QValidatedLineEdit gets enabled
checkValidity();
}
QLineEdit::setEnabled(enabled);
}
void QValidatedLineEdit::checkValidity()
{
if (text().isEmpty())
{
setValid(true);
}
else if (hasAcceptableInput())
{
setValid(true);
// Check contents on focus out
if (checkValidator)
{
QString address = text();
int pos = 0;
if (checkValidator->validate(address, pos) == QValidator::Acceptable)
setValid(true);
else
setValid(false);
}
}
else
setValid(false);
Q_EMIT validationDidChange(this);
}
void QValidatedLineEdit::setCheckValidator(const QValidator *v)
{
checkValidator = v;
}
bool QValidatedLineEdit::isValid()
{
// use checkValidator in case the QValidatedLineEdit is disabled
if (checkValidator)
{
QString address = text();
int pos = 0;
if (checkValidator->validate(address, pos) == QValidator::Acceptable)
return true;
}
return valid;
}