dox/GUISupport/Qt/Chart/vtkQtChartArea.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtChartArea.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 _vtkQtChartArea_h
#define _vtkQtChartArea_h

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

class vtkQtChartAreaInternal;
class vtkQtChartAxisLayer;
class vtkQtChartContentsSpace;
class vtkQtChartInteractor;
class vtkQtChartLayer;
class vtkQtChartMouseBox;
class vtkQtChartStyleManager;
class QCursor;
class QString;


class VTKQTCHART_EXPORT vtkQtChartArea : public QGraphicsView
{
  Q_OBJECT

public:
  vtkQtChartArea(QWidget *parent=0);
  virtual ~vtkQtChartArea();






  void addLayer(vtkQtChartLayer *chart);

  void insertLayer(int index, vtkQtChartLayer *chart);

  void removeLayer(vtkQtChartLayer *chart);

  int getNumberOfLayers() const;

  vtkQtChartLayer *getLayer(int index) const;

  vtkQtChartLayer *getLayer(const QString &chartName) const;

  vtkQtChartAxisLayer *getAxisLayer() const;

  int getAxisLayerIndex() const;

  int getGridLayerIndex() const;






  vtkQtChartInteractor *getInteractor() const;

  void setInteractor(vtkQtChartInteractor *interactor);

  vtkQtChartContentsSpace *getContentsSpace() const;

  vtkQtChartMouseBox *getMouseBox() const;

  void startInteractiveResize();

  bool isInteractivelyResizing() const;

  void finishInteractiveResize();






  vtkQtChartStyleManager *getStyleManager() const;

  void setStyleManager(vtkQtChartStyleManager *manager);

  void setUseOpenGLIfAvailable(bool useOpenGL);

public slots:
  void layoutChart();

  void updateLayout();

signals:
  void delayedLayoutNeeded();

  void layerInserted(int index, vtkQtChartLayer *chart);

  void removingLayer(int index, vtkQtChartLayer *chart);

  void layerRemoved(int index, vtkQtChartLayer *chart);

protected:
  virtual bool viewportEvent(QEvent *e);

  virtual void resizeEvent(QResizeEvent *e);









  virtual void 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);

private slots:
  void handleZoomChange();

  void changeCursor(const QCursor &newCursor);

private:
  vtkQtChartAreaInternal *Internal; 

private:
  vtkQtChartArea(const vtkQtChartArea &);
  vtkQtChartArea &operator=(const vtkQtChartArea &);
};

#endif