Hardware Design: SIE
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Source at commit 32a206d created 13 years 5 months ago. By Juan64Bits, First commit for sie code generator project. | |
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1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
4 | ** All rights reserved. |
5 | ** Contact: Nokia Corporation (qt-info@nokia.com) |
6 | ** |
7 | ** This file is part of the examples of the Qt Toolkit. |
8 | ** |
9 | ** $QT_BEGIN_LICENSE:LGPL$ |
10 | ** Commercial Usage |
11 | ** Licensees holding valid Qt Commercial licenses may use this file in |
12 | ** accordance with the Qt Commercial License Agreement provided with the |
13 | ** Software or, alternatively, in accordance with the terms contained in |
14 | ** a written agreement between you and Nokia. |
15 | ** |
16 | ** GNU Lesser General Public License Usage |
17 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
18 | ** General Public License version 2.1 as published by the Free Software |
19 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
20 | ** packaging of this file. Please review the following information to |
21 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
23 | ** |
24 | ** In addition, as a special exception, Nokia gives you certain additional |
25 | ** rights. These rights are described in the Nokia Qt LGPL Exception |
26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
27 | ** |
28 | ** GNU General Public License Usage |
29 | ** Alternatively, this file may be used under the terms of the GNU |
30 | ** General Public License version 3.0 as published by the Free Software |
31 | ** Foundation and appearing in the file LICENSE.GPL included in the |
32 | ** packaging of this file. Please review the following information to |
33 | ** ensure the GNU General Public License version 3.0 requirements will be |
34 | ** met: http://www.gnu.org/copyleft/gpl.html. |
35 | ** |
36 | ** If you have questions regarding the use of this file, please contact |
37 | ** Nokia at qt-info@nokia.com. |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef ARROW_H |
43 | #define ARROW_H |
44 | |
45 | #include <QGraphicsLineItem> |
46 | #include <QtXml> |
47 | #include "diagramtextitem.h" |
48 | #include "lineitem.h" |
49 | #include "diagramitem.h" |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | class QGraphicsPolygonItem; |
53 | class QGraphicsLineItem; |
54 | class QGraphicsPathItem; |
55 | class QGraphicsScene; |
56 | class QRectF; |
57 | class QGraphicsSceneMouseEvent; |
58 | class QPainterPath; |
59 | QT_END_NAMESPACE |
60 | |
61 | class lineItem; |
62 | |
63 | class Arrow : public QGraphicsPathItem |
64 | { |
65 | public: |
66 | enum { Type = UserType + 32 }; |
67 | |
68 | Arrow(DiagramTextItem *startItem, DiagramTextItem *endItem, |
69 | QGraphicsItem *parent = 0, QGraphicsScene *scene = 0); |
70 | |
71 | int type() const |
72 | { return Type; } |
73 | QRectF boundingRect() const; |
74 | QPainterPath shape() const; |
75 | void setColor(const QColor &color) |
76 | { myColor=color; } |
77 | DiagramTextItem *startItem() const |
78 | { return myStartItem; } |
79 | DiagramTextItem *endItem() const |
80 | { return myEndItem; } |
81 | |
82 | void removeLine(lineItem *line); |
83 | void removeLines(); |
84 | bool addLine(lineItem *line); |
85 | |
86 | void createCorner(QPointF cornerPos, lineItem *inLine); |
87 | void createCorner(QPointF cornerPos, int index); |
88 | void moveCorner(QPointF cornerPos, lineItem *inLine); |
89 | |
90 | void setVisibleCorners(bool visible); |
91 | |
92 | void snapToGrid(QGraphicsSceneMouseEvent *event); |
93 | |
94 | QDomDocument toXmlFormat(); |
95 | |
96 | QPointF startOffset() const |
97 | { return myStartItem->offset();} |
98 | |
99 | QPointF endOffset() const |
100 | { return myEndItem->offset();} |
101 | |
102 | DiagramItem *startOwner() const |
103 | { return myStartItem->ownerItem();} |
104 | DiagramItem *endOwner() const |
105 | { return myEndItem->ownerItem();} |
106 | |
107 | QDomElement toXml(QDomDocument &,QList<DiagramItem*>) const; |
108 | |
109 | public slots: |
110 | void updatePosition(); |
111 | |
112 | protected: |
113 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, |
114 | QWidget *widget = 0); |
115 | void mousePressEvent(QGraphicsSceneMouseEvent *event); |
116 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); |
117 | void mouseMoveEvent(QGraphicsSceneMouseEvent *event); |
118 | |
119 | private: |
120 | DiagramTextItem *myStartItem; |
121 | DiagramTextItem *myEndItem; |
122 | QColor myColor; |
123 | QPolygonF arrowHeadEnd; |
124 | QPolygonF arrowHeadStart; |
125 | QList<lineItem *> myLines; |
126 | QList<lineItem *> myCLines; |
127 | QList<QPointF> myCorners; |
128 | QGraphicsScene *myOwnerScene; |
129 | qreal arrowSize; |
130 | bool moving; |
131 | QPointF previousPos; |
132 | }; |
133 | |
134 | #endif |
135 |
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