qlegend_p.h
110 lines
| 3.2 KiB
| text/x-c
|
CLexer
winter
|
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. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
// 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> | ||||
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 | ||||