| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // 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 QLEGEND_P_H |
| #define QLEGEND_P_H |
| |
| #include <QtCharts/QLegend> |
| #include <QtCharts/private/qchartglobal_p.h> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class QChart; |
| class ChartPresenter; |
| class QAbstractSeries; |
| class LegendLayout; |
| class QLegendMarker; |
| |
| class Q_CHARTS_PRIVATE_EXPORT 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); |
| qreal maxMarkerWidth() const; |
| |
| static QObject *relatedObject(const QLegendMarker *l); |
| |
| public Q_SLOTS: |
| void handleSeriesAdded(QAbstractSeries *series); |
| void handleSeriesRemoved(QAbstractSeries *series); |
| void handleSeriesVisibleChanged(); |
| void handleCountChanged(); |
| |
| private: |
| // Internal helpers |
| void insertMarkerHelper(QLegendMarker *marker); |
| void addMarkers(QList<QLegendMarker *> markers); |
| void removeMarkerHelper(QLegendMarker *marker); |
| void removeMarkers(QList<QLegendMarker *> markers); |
| void decorateMarker(QLegendMarker *marker); |
| void decorateMarkers(QList<QLegendMarker *> markers); |
| void updateToolTips(); |
| |
| 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; |
| bool m_showToolTips; |
| QLegend::MarkerShape m_markerShape; |
| |
| 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 |