/*
 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
 *
 * This file is part of the KD Chart library.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "KChartTextArea.h"
#include "KChartTextArea_p.h"

#include "KChartMath_p.h"

#include <qglobal.h>

#include <QPainter>
#include <QRect>

using namespace KChart;

TextArea::Private::Private()
    : AbstractAreaBase::Private()
{
    // this block left empty intentionally
}

TextArea::Private::~Private()
{
    // this block left empty intentionally
}

TextArea::TextArea()
    : QObject()
    , KChart::AbstractAreaBase()
    , KChart::TextLayoutItem()
{
    // this block left empty intentionally
}

TextArea::~TextArea()
{
    // this block left empty intentionally
}

void TextArea::init()
{
    // this block left empty intentionally
}

void TextArea::paintIntoRect(QPainter &painter, const QRect &rect)
{
    const QRect oldGeometry(geometry());
    if (oldGeometry != rect)
        setGeometry(rect);
    painter.translate(rect.left(), rect.top());
    paintAll(painter);
    painter.translate(-rect.left(), -rect.top());
    if (oldGeometry != rect)
        setGeometry(oldGeometry);
}

void TextArea::paintAll(QPainter &painter)
{
    // Paint the background and frame
    paintBackground(painter, geometry());
    paintFrame(painter, geometry());

    // temporarily adjust the widget size, to be sure all content gets calculated
    // to fit into the inner rectangle
    const QRect oldGeometry(areaGeometry());
    QRect inner(innerRect());
    inner.moveTo(oldGeometry.left() + inner.left(), oldGeometry.top() + inner.top());
    const bool needAdjustGeometry = oldGeometry != inner;
    if (needAdjustGeometry)
        setGeometry(inner);
    paint(&painter);
    if (needAdjustGeometry)
        setGeometry(oldGeometry);
    // qDebug() << "TextAreaWidget::paintAll() done.";
}

QRect TextArea::areaGeometry() const
{
    return geometry();
}

void TextArea::positionHasChanged()
{
    Q_EMIT positionChanged(this);
}
