qt-creator/src/plugins/texteditor/marginsettings.cpp

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include "marginsettings.h"

#include <QSettings>
#include <QString>
#include <QVariantMap>

static const char showWrapColumnKey[] = "ShowMargin";
static const char wrapColumnKey[] = "MarginColumn";
static const char groupPostfix[] = "MarginSettings";
static const char useIndenterColumnKey[] = "UseIndenter";

using namespace TextEditor;

MarginSettings::MarginSettings()
    : m_showMargin(false)
    , m_useIndenter(false)
    , m_marginColumn(80)
{
}

void MarginSettings::toSettings(const QString &category, QSettings *s) const
{
    QString group = QLatin1String(groupPostfix);
    if (!category.isEmpty())
        group.insert(0, category);
    s->beginGroup(group);
    s->setValue(QLatin1String(showWrapColumnKey), m_showMargin);
    s->setValue(QLatin1String(useIndenterColumnKey), m_useIndenter);
    s->setValue(QLatin1String(wrapColumnKey), m_marginColumn);
    s->endGroup();
}

void MarginSettings::fromSettings(const QString &category, const QSettings *s)
{
    QString group = QLatin1String(groupPostfix);
    if (!category.isEmpty())
        group.insert(0, category);
    group += QLatin1Char('/');

    *this = MarginSettings(); // Assign defaults

    m_showMargin = s->value(group + QLatin1String(showWrapColumnKey), m_showMargin).toBool();
    m_useIndenter = s->value(group + QLatin1String(useIndenterColumnKey), m_useIndenter).toBool();
    m_marginColumn = s->value(group + QLatin1String(wrapColumnKey), m_marginColumn).toInt();
}

QVariantMap MarginSettings::toMap() const
{
    return {
        {showWrapColumnKey, m_showMargin},
        {useIndenterColumnKey, m_useIndenter},
        {wrapColumnKey, m_marginColumn}
    };
}

void MarginSettings::fromMap(const QVariantMap &map)
{
    m_showMargin = map.value(showWrapColumnKey, m_showMargin).toBool();
    m_useIndenter = map.value(useIndenterColumnKey, m_useIndenter).toBool();
    m_marginColumn = map.value(wrapColumnKey, m_marginColumn).toInt();
}

bool MarginSettings::equals(const MarginSettings &other) const
{
    return m_showMargin == other.m_showMargin
        && m_useIndenter == other.m_useIndenter
        && m_marginColumn == other.m_marginColumn
        ;
}