examples/animation/stickman/node.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/animation/stickman/node.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+}