diff options
Diffstat (limited to 'examples/animation/stickman/node.cpp')
-rw-r--r-- | examples/animation/stickman/node.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/examples/animation/stickman/node.cpp b/examples/animation/stickman/node.cpp new file mode 100644 index 0000000..9c485d9 --- /dev/null +++ b/examples/animation/stickman/node.cpp @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "node.h" +#include "stickman.h" + +#include <QRectF> +#include <QPainter> +#include <QGraphicsSceneMouseEvent> + +Node::Node(const QPointF &pos, QGraphicsItem *parent) + : QGraphicsItem(parent), m_dragging(false) +{ + setPos(pos); +} + +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 QGraphicsItem::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; +} |