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Diffstat (limited to 'src/charts/legend/qlegend.h')
-rw-r--r-- | src/charts/legend/qlegend.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/charts/legend/qlegend.h b/src/charts/legend/qlegend.h new file mode 100644 index 00000000..c727e8f3 --- /dev/null +++ b/src/charts/legend/qlegend.h @@ -0,0 +1,112 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QLEGEND_H +#define QLEGEND_H + +#include <QtCharts/qchartglobal.h> +#include <QGraphicsWidget> +#include <QPen> +#include <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 |