blob: 6db4ccfbd140936e906fd6c6f15be1dc6cbce515 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/****************************************************************************
**
** 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 <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_linePath; }
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; }
private:
QLineSeries *m_series;
QPainterPath m_path;
QPainterPath m_linePath;
QVector<QPointF> m_points;
QRectF m_rect;
QPen m_linePen;
bool m_pointsVisible;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif
|
