hlaBounceGraphicsScene.h

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/****************************************************************************
 * Copyright (c) 2017 VT MAK
 * All rights reserved.
 ****************************************************************************/


#pragma once

#include <QGraphicsScene>
#include <QtCore/QRect>

class HlaBounceGraphicsScene : public QGraphicsScene
{
   Q_OBJECT

public:

   HlaBounceGraphicsScene(QObject * parent = 0 );
   HlaBounceGraphicsScene(const QRectF & sceneRect, QObject * parent = 0);
   HlaBounceGraphicsScene(qreal x, qreal y, qreal width, qreal height, QObject * parent = 0);
   virtual ~HlaBounceGraphicsScene();

   // Enters/exits the graphics scene into a mode where it will draw a
   // rectangle when the mouse is down
   void setDrawRectangleMode(bool enable);

   // Returns the last rectangle to be drawn
   QRect getLastRectangle() { return myLastRectangle; };

protected:

   virtual void mousePressEvent(QGraphicsSceneMouseEvent* mouseEvent);
   virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* mouseEvent);
   virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* mouseEvent);

signals:

   void mouseReleased(const QPointF&);

protected:

   bool myDrawRectangle;
   QGraphicsRectItem* myRectangle;
   QRect myLastRectangle;

};