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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "node.h"
+#include "stickman.h"
+
+#include <QRectF>
+#include <QPainter>
+#include <QGraphicsSceneMouseEvent>
+
+Node::Node(const QPointF &pos, QGraphicsItem *parent)
+ : QGraphicsObject(parent), m_dragging(false)
+{
+ setPos(pos);
+ setFlag(QGraphicsItem::ItemSendsGeometryChanges);
+}
+
+Node::~Node()
+{
+}
+
+QRectF Node::boundingRect() const
+{
+ return QRectF(-6.0, -6.0, 12.0, 12.0);
+}
+
+void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+ painter->setPen(Qt::white);
+ painter->drawEllipse(QPointF(0.0, 0.0), 5.0, 5.0);
+}
+
+QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+ if (change == QGraphicsItem::ItemPositionChange)
+ emit positionChanged();
+
+ return QGraphicsObject::itemChange(change, value);
+}
+
+void Node::mousePressEvent(QGraphicsSceneMouseEvent *)
+{
+ m_dragging = true;
+}
+
+void Node::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (m_dragging)
+ setPos(mapToParent(event->pos()));
+}
+
+void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *)
+{
+ m_dragging = false;
+}