58e2b9c01b
Make C++ class constructors that can be used with only one required argument 'explicit' to minimize wrong use of the class. Change-Id: Ida9f9c2f0c8608c35b0137b2512a6747afd69515 Reviewed-by: Mitch Curtis <mitch.curtis@nokia.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef NODE_H
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#define NODE_H
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#include <QGraphicsItem>
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class Node: public QGraphicsObject
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{
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Q_OBJECT
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public:
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explicit Node(const QPointF &pos, QGraphicsItem *parent = 0);
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~Node();
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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signals:
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void positionChanged();
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protected:
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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void mousePressEvent(QGraphicsSceneMouseEvent *);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
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private:
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bool m_dragging;
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};
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#endif
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