dox/GUISupport/Qt/Chart/vtkQtChartMouseFunction.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtChartMouseFunction.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 _vtkQtChartMouseFunction_h
#define _vtkQtChartMouseFunction_h


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

class vtkQtChartArea;
class QCursor;
class QMouseEvent;
class QRectF;
class QWheelEvent;


class VTKQTCHART_EXPORT vtkQtChartMouseFunction : public QObject
{
  Q_OBJECT

public:
  vtkQtChartMouseFunction(QObject *parent=0);
  virtual ~vtkQtChartMouseFunction() {}

  virtual bool isCombinable() const {return true;}

  bool isMouseOwner() const {return this->OwnsMouse;}

  //    vtkQtChartMouseFunction::interactionStarted(vtkQtChartMouseFunction *)
  virtual void setMouseOwner(bool owns) {this->OwnsMouse = owns;}

  virtual bool mousePressEvent(QMouseEvent *e, vtkQtChartArea *chart)=0;

  virtual bool mouseMoveEvent(QMouseEvent *e, vtkQtChartArea *chart)=0;

  virtual bool mouseReleaseEvent(QMouseEvent *e, vtkQtChartArea *chart)=0;

  virtual bool mouseDoubleClickEvent(QMouseEvent *e, vtkQtChartArea *chart)=0;

  virtual bool wheelEvent(QWheelEvent *e, vtkQtChartArea *chart);

signals:
  void interactionStarted(vtkQtChartMouseFunction *function);

  void interactionFinished(vtkQtChartMouseFunction *function);

  void cursorChangeRequested(const QCursor &cursor);

private:
  bool OwnsMouse; 
};

#endif

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