Hardware Design: SIE
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Source at commit 32a206d1b00a98d3b9591ae566f0e62028b081eb 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 | #include <QtGui> |
43 | |
44 | #include "lineitem.h" |
45 | #include <math.h> |
46 | |
47 | lineItem::lineItem(QPointF startPoint, QPointF endItem, Arrow *ownerArrow, |
48 | int wt, bool movable, QGraphicsItem *parent, QGraphicsScene *scene) |
49 | : QGraphicsLineItem(parent, scene) |
50 | { |
51 | isMovable=movable; |
52 | if(isMovable) |
53 | { |
54 | setFlag(QGraphicsItem::ItemIsMovable, true); |
55 | } |
56 | |
57 | setFlag(QGraphicsItem::ItemIsSelectable, true); |
58 | |
59 | myColor = Qt::black; |
60 | setPen(QPen(myColor, 2, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); |
61 | setLine(QLineF(startPoint,endItem)); |
62 | myOwnerArrow = ownerArrow; |
63 | pWidth=wt; |
64 | moveItem=0; |
65 | } |
66 | |
67 | QRectF lineItem::boundingRect() const |
68 | { |
69 | qreal extra = (pen().width() + 20) / 2.0; |
70 | |
71 | return QRectF(line().p1(), QSizeF(line().p2().x() - line().p1().x(), |
72 | line().p2().y() - line().p1().y())) |
73 | .normalized() |
74 | .adjusted(-extra, -extra, extra, extra); |
75 | } |
76 | |
77 | QPainterPath lineItem::shape() const |
78 | { |
79 | QPainterPath path = QGraphicsLineItem::shape(); |
80 | return path; |
81 | } |
82 | |
83 | void lineItem::updatePos() |
84 | { |
85 | QPointF itemPos = this->line().p1()+QPointF(0.5,0.5); |
86 | myOwnerArrow->moveCorner(itemPos,this); |
87 | } |
88 | |
89 | void lineItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, |
90 | QWidget *) |
91 | { |
92 | QPen myPen = pen(); |
93 | myPen.setColor(myColor); |
94 | myPen.setWidth(pWidth); |
95 | painter->setPen(myPen); |
96 | painter->setBrush(myColor); |
97 | |
98 | setLine(line()); |
99 | painter->drawLine(line()); |
100 | |
101 | //Drawing arrow selected |
102 | if (isSelected()) { |
103 | painter->setPen(QPen(Qt::gray, pWidth, Qt::SolidLine)); |
104 | QLineF myLine = line(); |
105 | painter->drawLine(myLine); |
106 | } |
107 | } |
108 | |
109 | void lineItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *mouseEvent) |
110 | { |
111 | if(!isMovable) |
112 | { |
113 | myOwnerArrow->createCorner(mouseEvent->scenePos(),this); |
114 | } |
115 | QGraphicsLineItem::mouseDoubleClickEvent(mouseEvent); |
116 | } |
117 | |
118 | |
119 | void lineItem::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) |
120 | { |
121 | QGraphicsLineItem::mousePressEvent(mouseEvent); |
122 | } |
123 | |
124 | void lineItem::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) |
125 | { |
126 | if(isMovable) |
127 | { |
128 | updatePos(); |
129 | } |
130 | QGraphicsLineItem::mouseMoveEvent(mouseEvent); |
131 | } |
132 | |
133 | void lineItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) |
134 | { |
135 | if(isMovable) |
136 | { |
137 | updatePos(); |
138 | } |
139 | QGraphicsLineItem::mouseReleaseEvent(mouseEvent); |
140 | } |
141 |
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