|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2013 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 Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial 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 QtCommercial 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 LINECHARTITEM_H
|
|
|
#define LINECHARTITEM_H
|
|
|
|
|
|
#include "qchartglobal.h"
|
|
|
#include "xychart_p.h"
|
|
|
#include "qchart.h"
|
|
|
#include <QPen>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
class QLineSeries;
|
|
|
class ChartPresenter;
|
|
|
|
|
|
class LineChartItem : public XYChart
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
Q_INTERFACES(QGraphicsItem)
|
|
|
public:
|
|
|
explicit LineChartItem(QLineSeries *series, QGraphicsItem *item = 0);
|
|
|
~LineChartItem() {}
|
|
|
|
|
|
//from QGraphicsItem
|
|
|
QRectF boundingRect() const;
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
|
|
|
QPainterPath shape() const;
|
|
|
|
|
|
QPainterPath path() const { return m_fullPath; }
|
|
|
|
|
|
public Q_SLOTS:
|
|
|
void handleUpdated();
|
|
|
|
|
|
protected:
|
|
|
void updateGeometry();
|
|
|
void mousePressEvent(QGraphicsSceneMouseEvent *event);
|
|
|
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
|
|
|
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
|
|
|
void suppressPoints() { m_pointsVisible = false; }
|
|
|
void forceChartType(QChart::ChartType chartType) { m_chartType = chartType; }
|
|
|
|
|
|
private:
|
|
|
QLineSeries *m_series;
|
|
|
QPainterPath m_linePath;
|
|
|
QPainterPath m_linePathPolarRight;
|
|
|
QPainterPath m_linePathPolarLeft;
|
|
|
QPainterPath m_fullPath;
|
|
|
QPainterPath m_shapePath;
|
|
|
|
|
|
QVector<QPointF> m_points;
|
|
|
QRectF m_rect;
|
|
|
QPen m_linePen;
|
|
|
bool m_pointsVisible;
|
|
|
QChart::ChartType m_chartType;
|
|
|
};
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
#endif
|
|
|
|
