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/****************************************************************************
**
** Copyright (C) 2017 Andre Hartmann <aha_1980@gmx.de>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the QtSerialBus module.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "bitratebox.h"
#include <QLineEdit>
BitRateBox::BitRateBox(QWidget *parent) :
QComboBox(parent),
m_customSpeedValidator(new QIntValidator(0, 1000000, this))
{
fillBitRates();
connect(this, QOverload<int>::of(&QComboBox::currentIndexChanged),
this, &BitRateBox::checkCustomSpeedPolicy);
}
BitRateBox::~BitRateBox()
{
delete m_customSpeedValidator;
}
int BitRateBox::bitRate() const
{
if (currentIndex() == (count() - 1))
return currentText().toInt();
return itemData(currentIndex()).toInt();
}
bool BitRateBox::isFlexibleDataRateEnabled() const
{
return m_isFlexibleDataRateEnabled;
}
void BitRateBox::setFlexibleDateRateEnabled(bool enabled)
{
m_isFlexibleDataRateEnabled = enabled;
m_customSpeedValidator->setTop(enabled ? 10000000 : 1000000);
fillBitRates();
}
void BitRateBox::checkCustomSpeedPolicy(int idx)
{
const bool isCustomSpeed = !itemData(idx).isValid();
setEditable(isCustomSpeed);
if (isCustomSpeed) {
clearEditText();
lineEdit()->setValidator(m_customSpeedValidator);
}
}
void BitRateBox::fillBitRates()
{
const QList<int> rates = {
10000, 20000, 50000, 100000, 125000, 250000, 500000, 800000, 1000000
};
const QList<int> dataRates = {
2000000, 4000000, 8000000
};
clear();
for (int rate : rates)
addItem(QString::number(rate), rate);
if (isFlexibleDataRateEnabled()) {
for (int rate : dataRates)
addItem(QString::number(rate), rate);
}
addItem(tr("Custom"));
setCurrentIndex(6); // default is 500000 bits/sec
}
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