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// Copyright (C) 2018 Benjamin Balga
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "serialterminalsettings.h"
#include "serialterminalconstants.h"
#include <QLoggingCategory>
#include <QSettings>
namespace SerialTerminal {
namespace Internal {
static Q_LOGGING_CATEGORY(log, Constants::LOGGING_CATEGORY, QtWarningMsg)
// Set 'value' only if the key exists in the settings
template <typename T>
void readSetting(const QSettings &settings, T &value, const QString &key) {
if (settings.contains(key))
value = settings.value(key).value<T>();
}
Settings::Settings()
{
lineEndings = {
{QObject::tr("None"), ""},
{QObject::tr("LF"), "\n"},
{QObject::tr("CR"), "\r"},
{QObject::tr("CRLF"), "\r\n"}
};
defaultLineEndingIndex = 1;
}
// Save settings to a QSettings
void Settings::save(QSettings *settings)
{
if (!settings || !edited)
return;
settings->beginGroup(Constants::SETTINGS_GROUP);
settings->setValue(Constants::SETTINGS_BAUDRATE, baudRate);
settings->setValue(Constants::SETTINGS_DATABITS, dataBits);
settings->setValue(Constants::SETTINGS_PARITY, parity);
settings->setValue(Constants::SETTINGS_STOPBITS, stopBits);
settings->setValue(Constants::SETTINGS_FLOWCONTROL, flowControl);
settings->setValue(Constants::SETTINGS_PORTNAME, portName);
settings->setValue(Constants::SETTINGS_INITIAL_DTR_STATE, initialDtrState);
settings->setValue(Constants::SETTINGS_INITIAL_RTS_STATE, initialRtsState);
settings->setValue(Constants::SETTINGS_DEFAULT_LINE_ENDING_INDEX, defaultLineEndingIndex);
settings->setValue(Constants::SETTINGS_CLEAR_INPUT_ON_SEND, clearInputOnSend);
saveLineEndings(*settings);
settings->endGroup();
settings->sync();
edited = false;
qCDebug(log) << "Settings saved.";
}
// Load available settings from a QSettings
void Settings::load(QSettings *settings)
{
if (!settings)
return;
settings->beginGroup(Constants::SETTINGS_GROUP);
readSetting(*settings, baudRate, Constants::SETTINGS_BAUDRATE);
readSetting(*settings, dataBits, Constants::SETTINGS_DATABITS);
readSetting(*settings, parity, Constants::SETTINGS_PARITY);
readSetting(*settings, stopBits, Constants::SETTINGS_STOPBITS);
readSetting(*settings, flowControl, Constants::SETTINGS_FLOWCONTROL);
readSetting(*settings, portName, Constants::SETTINGS_PORTNAME);
readSetting(*settings, initialDtrState, Constants::SETTINGS_INITIAL_DTR_STATE);
readSetting(*settings, initialRtsState, Constants::SETTINGS_INITIAL_RTS_STATE);
readSetting(*settings, defaultLineEndingIndex, Constants::SETTINGS_DEFAULT_LINE_ENDING_INDEX);
readSetting(*settings, clearInputOnSend, Constants::SETTINGS_CLEAR_INPUT_ON_SEND);
loadLineEndings(*settings);
settings->endGroup();
edited = false;
qCDebug(log) << "Settings loaded.";
}
void Settings::setBaudRate(qint32 br)
{
if (br <= 0)
return;
baudRate = br;
edited = true;
}
void Settings::setPortName(const QString &name)
{
portName = name;
edited = true;
}
QByteArray Settings::defaultLineEnding() const
{
return defaultLineEndingIndex >= (unsigned int)lineEndings.size()
? QByteArray()
: lineEndings.at(defaultLineEndingIndex).second;
}
QString Settings::defaultLineEndingText() const
{
return defaultLineEndingIndex >= (unsigned int)lineEndings.size()
? QString()
: lineEndings.at(defaultLineEndingIndex).first;
}
void Settings::setDefaultLineEndingIndex(unsigned int index)
{
if (index >= (unsigned int)lineEndings.size())
return;
defaultLineEndingIndex = index;
edited = true;
}
void Settings::saveLineEndings(QSettings &settings)
{
settings.beginWriteArray(Constants::SETTINGS_LINE_ENDINGS, lineEndings.size());
int i = 0;
for (const QPair<QString, QByteArray>& value : std::as_const(lineEndings)) {
settings.setArrayIndex(i++);
settings.setValue(Constants::SETTINGS_LINE_ENDING_NAME, value.first);
settings.setValue(Constants::SETTINGS_LINE_ENDING_VALUE, value.second);
}
settings.endArray();
}
void Settings::loadLineEndings(QSettings &settings)
{
const int size = settings.beginReadArray(Constants::SETTINGS_LINE_ENDINGS);
if (size > 0) // If null, keep default line endings
lineEndings.clear();
for (int i = 0; i < size; ++i) {
settings.setArrayIndex(i);
lineEndings.append({
settings.value(Constants::SETTINGS_LINE_ENDING_NAME).toString(),
settings.value(Constants::SETTINGS_LINE_ENDING_VALUE).toByteArray()
});
}
settings.endArray();
}
} // namespace Internal
} // namespace SerialTerminal
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