@@ -1,141 +1,142 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef SCATTERCHARTITEM_H |
|
22 | 22 | #define SCATTERCHARTITEM_H |
|
23 | 23 | |
|
24 | 24 | #include "qchartglobal.h" |
|
25 | 25 | #include "xychart_p.h" |
|
26 | 26 | #include <QGraphicsEllipseItem> |
|
27 | 27 | #include <QPen> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | class QScatterSeries; |
|
32 | 32 | class Marker; |
|
33 | 33 | |
|
34 | 34 | class ScatterChartItem : public XYChart, public QGraphicsItem |
|
35 | 35 | { |
|
36 | 36 | Q_OBJECT |
|
37 | Q_INTERFACES(QGraphicsItem) | |
|
37 | 38 | public: |
|
38 | 39 | explicit ScatterChartItem(QScatterSeries *series, ChartPresenter *presenter); |
|
39 | 40 | |
|
40 | 41 | public: |
|
41 | 42 | //from QGraphicsItem |
|
42 | 43 | QRectF boundingRect() const; |
|
43 | 44 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
|
44 | 45 | |
|
45 | 46 | void setPen(const QPen &pen); |
|
46 | 47 | void setBrush(const QBrush &brush); |
|
47 | 48 | |
|
48 | 49 | void markerSelected(Marker *item); |
|
49 | 50 | |
|
50 | 51 | public Q_SLOTS: |
|
51 | 52 | void handleUpdated(); |
|
52 | 53 | |
|
53 | 54 | private: |
|
54 | 55 | void createPoints(int count); |
|
55 | 56 | void deletePoints(int count); |
|
56 | 57 | |
|
57 | 58 | protected: |
|
58 | 59 | void updateGeometry(); |
|
59 | 60 | void mousePressEvent(QGraphicsSceneMouseEvent *event); |
|
60 | 61 | |
|
61 | 62 | private: |
|
62 | 63 | QScatterSeries *m_series; |
|
63 | 64 | QGraphicsItemGroup m_items; |
|
64 | 65 | int m_shape; |
|
65 | 66 | int m_size; |
|
66 | 67 | QRectF m_rect; |
|
67 | 68 | |
|
68 | 69 | }; |
|
69 | 70 | |
|
70 | 71 | |
|
71 | 72 | class Marker: public QAbstractGraphicsShapeItem |
|
72 | 73 | { |
|
73 | 74 | |
|
74 | 75 | public: |
|
75 | 76 | |
|
76 | 77 | Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent) |
|
77 | 78 | { |
|
78 | 79 | } |
|
79 | 80 | |
|
80 | 81 | ~Marker() |
|
81 | 82 | { |
|
82 | 83 | delete m_item; |
|
83 | 84 | } |
|
84 | 85 | |
|
85 | 86 | void setPoint(const QPointF& point) |
|
86 | 87 | { |
|
87 | 88 | m_point=point; |
|
88 | 89 | } |
|
89 | 90 | |
|
90 | 91 | QPointF point() const |
|
91 | 92 | { |
|
92 | 93 | return m_point; |
|
93 | 94 | } |
|
94 | 95 | |
|
95 | 96 | QPainterPath shape() const |
|
96 | 97 | { |
|
97 | 98 | return m_item->shape(); |
|
98 | 99 | } |
|
99 | 100 | |
|
100 | 101 | QRectF boundingRect() const |
|
101 | 102 | { |
|
102 | 103 | return m_item->boundingRect(); |
|
103 | 104 | } |
|
104 | 105 | |
|
105 | 106 | bool contains(const QPointF &point) const |
|
106 | 107 | { |
|
107 | 108 | return m_item->contains(point); |
|
108 | 109 | } |
|
109 | 110 | |
|
110 | 111 | void setPen(const QPen &pen) |
|
111 | 112 | { |
|
112 | 113 | m_item->setPen(pen); |
|
113 | 114 | } |
|
114 | 115 | |
|
115 | 116 | void setBrush(const QBrush &brush) |
|
116 | 117 | { |
|
117 | 118 | m_item->setBrush(brush); |
|
118 | 119 | } |
|
119 | 120 | |
|
120 | 121 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
121 | 122 | { |
|
122 | 123 | m_item->paint(painter,option,widget); |
|
123 | 124 | } |
|
124 | 125 | |
|
125 | 126 | protected: |
|
126 | 127 | |
|
127 | 128 | void mousePressEvent(QGraphicsSceneMouseEvent *event) |
|
128 | 129 | { |
|
129 | 130 | Q_UNUSED(event) |
|
130 | 131 | m_parent->markerSelected(this); |
|
131 | 132 | } |
|
132 | 133 | |
|
133 | 134 | private: |
|
134 | 135 | QAbstractGraphicsShapeItem* m_item; |
|
135 | 136 | ScatterChartItem* m_parent; |
|
136 | 137 | QPointF m_point; |
|
137 | 138 | }; |
|
138 | 139 | |
|
139 | 140 | QTCOMMERCIALCHART_END_NAMESPACE |
|
140 | 141 | |
|
141 | 142 | #endif // SCATTERPRESENTER_H |
General Comments 0
You need to be logged in to leave comments.
Login now