/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
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** 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.
**
** $QT_END_LICENSE$
**
**
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****************************************************************************/

//  W A R N I N G
//  -------------
//
// This file is not part of the Qt Chart API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.


#ifndef PERCENTBARCHARTITEM_H
#define PERCENTBARCHARTITEM_H

#include <private/abstractbarchartitem_p.h>
#include <QtWidgets/QGraphicsItem>
#include <QtCharts/private/qchartglobal_p.h>

QT_CHARTS_BEGIN_NAMESPACE

class QAbstractBarSeries;

class Q_CHARTS_PRIVATE_EXPORT PercentBarChartItem : public AbstractBarChartItem
{
    Q_OBJECT
public:
    PercentBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0);
    QString generateLabelText(int set, int category, qreal value);

private Q_SLOTS:
    void handleLabelsPositionChanged();
    void positionLabels();

private:
    virtual QVector<QRectF> calculateLayout();
    void initializeLayout(int set, int category, int layoutIndex, bool resetAnimation);
    void markLabelsDirty(QBarSet *barset, int index, int count);
    QPointF topLeftPoint(int category, qreal barWidth, qreal value);
    QPointF bottomRightPoint(int category, qreal barWidth, qreal value);
};

QT_CHARTS_END_NAMESPACE

#endif // PERCENTBARCHARTITEM_H
