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Diffstat (limited to 'src/charts/legend/qlegend_p.h')
-rw-r--r-- | src/charts/legend/qlegend_p.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/charts/legend/qlegend_p.h b/src/charts/legend/qlegend_p.h new file mode 100644 index 00000000..655825c6 --- /dev/null +++ b/src/charts/legend/qlegend_p.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** 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 +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// W A R N I N G +// ------------- +// +// This file is not part of the Qt Enterprise 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 QLEGEND_P_H +#define QLEGEND_P_H + +#include "qlegend.h" + +QT_CHARTS_BEGIN_NAMESPACE + +class QChart; +class ChartPresenter; +class QAbstractSeries; +class LegendLayout; +class QLegendMarker; + +class QLegendPrivate : public QObject +{ + Q_OBJECT +public: + QLegendPrivate(ChartPresenter *presenter, QChart *chart, QLegend *q); + ~QLegendPrivate(); + + void setOffset(const QPointF &offset); + QPointF offset() const; + int roundness(qreal size); + + QGraphicsItemGroup* items() { return m_items; } + + QList<QLegendMarker*> markers(QAbstractSeries *series = 0); + +public Q_SLOTS: + void handleSeriesAdded(QAbstractSeries *series); + void handleSeriesRemoved(QAbstractSeries *series); + void handleSeriesVisibleChanged(); + void handleCountChanged(); + +private: + // Internal helpers + void addMarkers(QList<QLegendMarker *> markers); + void removeMarkers(QList<QLegendMarker *> markers); + void decorateMarkers(QList<QLegendMarker *> markers); + +private: + QLegend *q_ptr; + ChartPresenter *m_presenter; + LegendLayout *m_layout; + QChart *m_chart; + QGraphicsItemGroup *m_items; + Qt::Alignment m_alignment; + QBrush m_brush; + QPen m_pen; + QFont m_font; + QBrush m_labelBrush; + + qreal m_diameter; + bool m_attachedToChart; + bool m_backgroundVisible; + bool m_reverseMarkers; + + QList<QLegendMarker *> m_markers; + QList<QAbstractSeries *> m_series; + + QHash<QGraphicsItem *, QLegendMarker *> m_markerHash; + + friend class QLegend; + friend class LegendMarkerItem; + friend class LegendLayout; + friend class QLegendMarkerPrivate; + friend class LegendScroller; +}; + +QT_CHARTS_END_NAMESPACE + +#endif |