dox/GUISupport/Qt/Chart/vtkQtChartInteractor.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtChartInteractor.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 _vtkQtChartInteractor_h
#define _vtkQtChartInteractor_h


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

class vtkQtChartArea;
class vtkQtChartContentsSpace;
class vtkQtChartInteractorInternal;
class vtkQtChartInteractorModeList;
class vtkQtChartKeyboardFunction;
class vtkQtChartMouseFunction;
class QCursor;
class QKeyEvent;
class QKeySequence;
class QMouseEvent;
class QRect;
class QWheelEvent;


class VTKQTCHART_EXPORT vtkQtChartInteractor : public QObject
{
  Q_OBJECT

public:
  vtkQtChartInteractor(QObject *parent=0);
  virtual ~vtkQtChartInteractor();






  vtkQtChartArea *getChartArea() const {return this->ChartArea;}

  void setChartArea(vtkQtChartArea *area);












  void setFunction(Qt::MouseButton button, vtkQtChartMouseFunction *function,
      Qt::KeyboardModifiers modifiers=Qt::NoModifier);

  void setWheelFunction(vtkQtChartMouseFunction *function,
      Qt::KeyboardModifiers modifiers=Qt::NoModifier);

  void addFunction(Qt::MouseButton button, vtkQtChartMouseFunction *function,
      Qt::KeyboardModifiers modifiers=Qt::NoModifier);

  void addWheelFunction(vtkQtChartMouseFunction *function,
      Qt::KeyboardModifiers modifiers=Qt::NoModifier);

  void removeFunction(vtkQtChartMouseFunction *function);

  void removeFunctions(Qt::MouseButton button);

  void removeWheelFunctions();

  void removeAllFunctions();

  int getNumberOfModes(Qt::MouseButton button) const;

  int getMode(Qt::MouseButton button) const;

  void setMode(Qt::MouseButton button, int index);

  int getNumberOfWheelModes() const;

  int getWheelMode() const;

  void setWheelMode(int index);











  void addKeyboardFunction(const QKeySequence &sequence,
      vtkQtChartKeyboardFunction *function);

  void removeKeyboardFunction(vtkQtChartKeyboardFunction *function);

  void removeKeyboardFunctions();









  virtual bool keyPressEvent(QKeyEvent *e);

  virtual void mousePressEvent(QMouseEvent *e);

  virtual void mouseMoveEvent(QMouseEvent *e);

  virtual void mouseReleaseEvent(QMouseEvent *e);

  virtual void mouseDoubleClickEvent(QMouseEvent *e);

  virtual void wheelEvent(QWheelEvent *e);

signals:
  void cursorChangeRequested(const QCursor &cursor);

private slots:
  void beginState(vtkQtChartMouseFunction *owner);

  void endState(vtkQtChartMouseFunction *owner);

private:
  void addFunction(vtkQtChartInteractorModeList *list,
      vtkQtChartMouseFunction *function, Qt::KeyboardModifiers modifiers);

  void removeFunctions(vtkQtChartInteractorModeList *list);

private:
  vtkQtChartInteractorInternal *Internal;
  vtkQtChartArea *ChartArea;         
  Qt::KeyboardModifier XModifier;    
  Qt::KeyboardModifier YModifier;    
};

#endif

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