dox/GUISupport/Qt/Chart/vtkQtChartMouseBox.h

Go to the documentation of this file.

/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkQtChartMouseBox.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/


#ifndef _vtkQtChartMouseBox_h
#define _vtkQtChartMouseBox_h


#include "vtkQtChartExport.h"
#include <QObject>

class QGraphicsView;
class QPoint;
class QPointF;
class QRectF;


class VTKQTCHART_EXPORT vtkQtChartMouseBox : public QObject
{
  Q_OBJECT

public:
  vtkQtChartMouseBox(QGraphicsView *view);
  ~vtkQtChartMouseBox();

  bool isVisible() const {return this->Showing;}

  void setVisible(bool visible);

  const QPointF &getStartingPosition() const;

  void setStartingPosition(const QPoint &start);

  void adjustRectangle(const QPoint &current);

  const QRectF &getRectangle() const;

signals:
  // \brief
  //   Emitted when the mouse box changes.
  // \param area The area to repaint in scene coordinates.
  void updateNeeded(const QRectF &area);

private:
  QGraphicsView *View; 
  QPointF *Last;       
  QRectF *Box;         
  bool Showing;        
};

#endif

---