/*
 * SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
 *
 * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
#include "decorationsettings.h"
#include "private/decorationbridge.h"
#include "private/decorationsettingsprivate.h"

#include <QFontMetrics>

namespace KDecoration3
{
DecorationSettings::DecorationSettings(DecorationBridge *bridge, QObject *parent)
    : QObject(parent)
    , d(bridge->settings(this))
{
    auto updateUnits = [this] {
        int gridUnit = QFontMetrics(font()).boundingRect(QLatin1Char('M')).height();
        ;
        if (gridUnit % 2 != 0) {
            gridUnit++;
        }
        if (gridUnit != d->gridUnit()) {
            d->setGridUnit(gridUnit);
            Q_EMIT gridUnitChanged(gridUnit);
        }
        if (gridUnit != d->largeSpacing()) {
            d->setSmallSpacing(qMax(2, (int)(gridUnit / 4))); // 1/4 of gridUnit, at least 2
            d->setLargeSpacing(gridUnit); // msize.height
            Q_EMIT spacingChanged();
        }
    };
    updateUnits();
    connect(this, &DecorationSettings::fontChanged, this, updateUnits);
}

DecorationSettings::~DecorationSettings() = default;

bool DecorationSettings::isOnAllDesktopsAvailable() const
{
    return d->isOnAllDesktopsAvailable();
}

bool DecorationSettings::isAlphaChannelSupported() const
{
    return d->isAlphaChannelSupported();
}

bool DecorationSettings::isCloseOnDoubleClickOnMenu() const
{
    return d->isCloseOnDoubleClickOnMenu();
}

QList<DecorationButtonType> DecorationSettings::decorationButtonsLeft() const
{
    return d->decorationButtonsLeft();
}

QList<DecorationButtonType> DecorationSettings::decorationButtonsRight() const
{
    return d->decorationButtonsRight();
}

BorderSize DecorationSettings::borderSize() const
{
    return d->borderSize();
}

QFont DecorationSettings::font() const
{
    return d->font();
}

QFontMetricsF DecorationSettings::fontMetrics() const
{
    return d->fontMetrics();
}

int DecorationSettings::gridUnit() const
{
    return d->gridUnit();
}

int DecorationSettings::smallSpacing() const
{
    return d->smallSpacing();
}

int DecorationSettings::largeSpacing() const
{
    return d->largeSpacing();
}
}

#include "moc_decorationsettings.cpp"