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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
// 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 LEGENDMARKERITEM_P_H
#define LEGENDMARKERITEM_P_H
#include <QtCharts/QChartGlobal>
#include <QtCharts/QLegend>
#include <QGraphicsObject>
#include <QtGui/QFont>
#include <QtGui/QBrush>
#include <QtGui/QPen>
#include <QtWidgets/QGraphicsTextItem>
#include <QtWidgets/QGraphicsLayoutItem>
#include <QtCharts/private/qchartglobal_p.h>
QT_CHARTS_BEGIN_NAMESPACE
class QLegendMarkerPrivate;
class Q_CHARTS_PRIVATE_EXPORT LegendMarkerItem : public QGraphicsObject, public QGraphicsLayoutItem
{
Q_OBJECT
Q_INTERFACES(QGraphicsLayoutItem)
public:
enum ItemType {
TypeRect,
TypeLine,
TypeCircle
};
explicit LegendMarkerItem(QLegendMarkerPrivate *marker, QGraphicsObject *parent = nullptr);
~LegendMarkerItem();
void setPen(const QPen &pen);
QPen pen() const;
void setBrush(const QBrush &brush);
QBrush brush() const;
void setSeriesPen(const QPen &pen);
void setSeriesBrush(const QBrush &brush);
void setFont(const QFont &font);
QFont font() const;
void setLabel(const QString label);
QString label() const;
void setLabelBrush(const QBrush &brush);
QBrush labelBrush() const;
void setGeometry(const QRectF &rect);
QRectF boundingRect() const;
QRectF markerRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget = nullptr);
QSizeF sizeHint (Qt::SizeHint which, const QSizeF &constraint) const;
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
QString displayedLabel() const;
void setToolTip(const QString &tooltip);
QLegend::MarkerShape markerShape() const;
void setMarkerShape(QLegend::MarkerShape shape);
void updateMarkerShapeAndSize();
QLegend::MarkerShape effectiveMarkerShape() const;
qreal effectiveMarkerWidth() const;
ItemType itemType() const { return m_itemType; }
Q_SIGNALS:
void markerRectChanged();
protected:
void setItemBrushAndPen();
void setItemRect();
bool useMaxWidth() const;
QLegendMarkerPrivate *m_marker; // Knows
QRectF m_defaultMarkerRect;
QRectF m_markerRect;
QRectF m_boundingRect;
QGraphicsTextItem *m_textItem;
QGraphicsItem *m_markerItem;
qreal m_margin;
qreal m_space;
QString m_label;
QLegend::MarkerShape m_markerShape;
QBrush m_labelBrush;
QPen m_pen;
QBrush m_brush;
QPen m_seriesPen;
QBrush m_seriesBrush;
QFont m_font;
bool m_hovering;
ItemType m_itemType;
friend class QLegendMarker;
friend class QLegendMarkerPrivate;
friend class LegendLayout;
};
QT_CHARTS_END_NAMESPACE
#endif // LEGENDMARKERITEM_P_H
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