qt5base-lts/examples/graphicsview/elasticnodes/graphwidget.h
David Boddie 0748751c9f Squashed commit of the changes from the mobile-examples repository
(4.7-generated-declarative branch).
2011-05-23 14:24:07 +02:00

78 lines
2.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples 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.
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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****************************************************************************/
#ifndef GRAPHWIDGET_H
#define GRAPHWIDGET_H
#include <QtGui/QGraphicsView>
class Node;
//! [0]
class GraphWidget : public QGraphicsView
{
Q_OBJECT
public:
GraphWidget(QWidget *parent = 0);
void itemMoved();
public slots:
void shuffle();
void zoomIn();
void zoomOut();
protected:
void keyPressEvent(QKeyEvent *event);
void timerEvent(QTimerEvent *event);
void wheelEvent(QWheelEvent *event);
void drawBackground(QPainter *painter, const QRectF &rect);
void scaleView(qreal scaleFactor);
private:
int timerId;
Node *centerNode;
};
//! [0]
#endif