qlegend.h
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r0 | /**************************************************************************** | ||
** | ||||
** 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) | ||||
private: | ||||
explicit QLegend(QChart *chart); | ||||
public: | ||||
~QLegend(); | ||||
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); | ||||
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 = 0) const; | ||||
bool reverseMarkers(); | ||||
void setReverseMarkers(bool reverseMarkers = true); | ||||
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); | ||||
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 | ||||