qt5base-lts/tests/manual/qlocale/currency.cpp

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
**
****************************************************************************/
#include "currency.h"
CurrencyWidget::CurrencyWidget()
{
QGridLayout *l = new QGridLayout;
currencySymbolLabel = new QLabel("Symbol:");
currencySymbol = new QLineEdit;
currencyISOLabel = new QLabel("ISO Code:");
currencyISO = new QLineEdit;
currencyNameLabel = new QLabel("Display name:");
currencyName = new QLineEdit;
currencyFormattingLabel = new QLabel("Currency formatting:");
currencyFormattingValue = new QLineEdit(QString::number(1234.56, 'f', 2));
currencyFormattingSymbolLabel = new QLabel("currency:");
currencyFormattingSymbol = new QLineEdit;
currencyFormatting = new QLineEdit;
currencyFormattingValue->setFixedWidth(150);
currencyFormattingSymbol->setFixedWidth(50);
l->addWidget(currencySymbolLabel, 0, 0);
l->addWidget(currencySymbol, 0, 1, 1, 4);
l->addWidget(currencyISOLabel, 1, 0);
l->addWidget(currencyISO, 1, 1, 1, 4);
l->addWidget(currencyNameLabel, 2, 0);
l->addWidget(currencyName, 2, 1, 1, 4);
l->addWidget(currencyFormattingLabel, 3, 0);
l->addWidget(currencyFormattingValue, 3, 1);
l->addWidget(currencyFormattingSymbolLabel, 3, 2);
l->addWidget(currencyFormattingSymbol, 3, 3);
l->addWidget(currencyFormatting, 3, 4);
QVBoxLayout *v = new QVBoxLayout(this);
v->addLayout(l);
v->addStretch();
connect(currencyFormattingSymbol, SIGNAL(textChanged(QString)),
this, SLOT(updateCurrencyFormatting()));
connect(currencyFormattingValue, SIGNAL(textChanged(QString)),
this, SLOT(updateCurrencyFormatting()));
}
void CurrencyWidget::updateCurrencyFormatting()
{
QString result;
bool ok;
QString symbol = currencyFormattingSymbol->text();
QString value = currencyFormattingValue->text();
int i = value.toInt(&ok);
if (ok) {
result = locale().toCurrencyString(i, symbol);
} else {
double d = value.toDouble(&ok);
if (ok)
result = locale().toCurrencyString(d, symbol);
}
currencyFormatting->setText(result);
}
void CurrencyWidget::localeChanged(QLocale locale)
{
setLocale(locale);
currencySymbol->setText(locale.currencySymbol());
currencyISO->setText(locale.currencySymbol(QLocale::CurrencyIsoCode));
currencyName->setText(locale.currencySymbol(QLocale::CurrencyDisplayName));
updateCurrencyFormatting();
}