|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
|
** Contact: https://www.qt.io/licensing/
|
|
|
**
|
|
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE:GPL$
|
|
|
** 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.
|
|
|
**
|
|
|
** GNU General Public License Usage
|
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
|
** General Public License version 3 or (at your option) any later version
|
|
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
|
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
|
|
** included in the packaging of this file. Please review the following
|
|
|
** information to ensure the GNU General Public License requirements will
|
|
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
|
|
**
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#ifndef QLEGEND_H
|
|
|
#define QLEGEND_H
|
|
|
|
|
|
#include <QtCharts/QChartGlobal>
|
|
|
#include <QtWidgets/QGraphicsWidget>
|
|
|
#include <QtGui/QPen>
|
|
|
#include <QtGui/QBrush>
|
|
|
|
|
|
QT_CHARTS_BEGIN_NAMESPACE
|
|
|
|
|
|
class QChart;
|
|
|
class QLegendPrivate;
|
|
|
class QLegendMarker;
|
|
|
class QAbstractSeries;
|
|
|
|
|
|
class QT_CHARTS_EXPORT QLegend : public QGraphicsWidget
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
|
|
|
Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible NOTIFY backgroundVisibleChanged)
|
|
|
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
|
|
|
Q_PROPERTY(QColor borderColor READ borderColor WRITE setBorderColor NOTIFY borderColorChanged)
|
|
|
Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
|
|
|
Q_PROPERTY(QColor labelColor READ labelColor WRITE setLabelColor NOTIFY labelColorChanged)
|
|
|
Q_PROPERTY(bool reverseMarkers READ reverseMarkers WRITE setReverseMarkers NOTIFY reverseMarkersChanged)
|
|
|
Q_PROPERTY(bool showToolTips READ showToolTips WRITE setShowToolTips NOTIFY showToolTipsChanged)
|
|
|
|
|
|
private:
|
|
|
explicit QLegend(QChart *chart);
|
|
|
|
|
|
public:
|
|
|
~QLegend();
|
|
|
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = Q_NULLPTR);
|
|
|
|
|
|
void setBrush(const QBrush &brush);
|
|
|
QBrush brush() const;
|
|
|
void setColor(QColor color);
|
|
|
QColor color();
|
|
|
|
|
|
void setPen(const QPen &pen);
|
|
|
QPen pen() const;
|
|
|
void setBorderColor(QColor color);
|
|
|
QColor borderColor();
|
|
|
|
|
|
void setFont(const QFont &font);
|
|
|
QFont font() const;
|
|
|
void setLabelBrush(const QBrush &brush);
|
|
|
QBrush labelBrush() const;
|
|
|
|
|
|
void setLabelColor(QColor color);
|
|
|
QColor labelColor() const;
|
|
|
|
|
|
void setAlignment(Qt::Alignment alignment);
|
|
|
Qt::Alignment alignment() const;
|
|
|
|
|
|
void detachFromChart();
|
|
|
void attachToChart();
|
|
|
bool isAttachedToChart();
|
|
|
|
|
|
void setBackgroundVisible(bool visible = true);
|
|
|
bool isBackgroundVisible() const;
|
|
|
|
|
|
QList <QLegendMarker*> markers(QAbstractSeries *series = Q_NULLPTR) const;
|
|
|
|
|
|
bool reverseMarkers();
|
|
|
void setReverseMarkers(bool reverseMarkers = true);
|
|
|
|
|
|
bool showToolTips() const;
|
|
|
void setShowToolTips(bool show);
|
|
|
protected:
|
|
|
void hideEvent(QHideEvent *event);
|
|
|
void showEvent(QShowEvent *event);
|
|
|
|
|
|
Q_SIGNALS:
|
|
|
void backgroundVisibleChanged(bool visible);
|
|
|
void colorChanged(QColor color);
|
|
|
void borderColorChanged(QColor color);
|
|
|
void fontChanged(QFont font);
|
|
|
void labelColorChanged(QColor color);
|
|
|
void reverseMarkersChanged(bool reverseMarkers);
|
|
|
void showToolTipsChanged(bool showToolTips);
|
|
|
|
|
|
private:
|
|
|
QScopedPointer<QLegendPrivate> d_ptr;
|
|
|
Q_DISABLE_COPY(QLegend)
|
|
|
friend class LegendScroller;
|
|
|
friend class LegendLayout;
|
|
|
friend class ChartLayout;
|
|
|
friend class LegendMarkerItem;
|
|
|
friend class QLegendMarkerPrivate;
|
|
|
};
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
|
|
#endif // QLEGEND_H
|
|
|
|
