dox/GUISupport/Qt/Chart/vtkQtChartLegendModel.h

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

  Program:   Visualization Toolkit
  Module:    vtkQtChartLegendModel.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 _vtkQtChartLegendModel_h
#define _vtkQtChartLegendModel_h


#include "vtkQtChartExport.h"
#include <QObject>
#include <QPixmap> // Needed for return type
#include <QString> // Needed for return type

class vtkQtChartLegendModelInternal;
class vtkQtPointMarker;
class QPen;


class VTKQTCHART_EXPORT vtkQtChartLegendModel : public QObject
{
  Q_OBJECT

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

  int addEntry(const QPixmap &icon, const QString &text, bool visible);

  int insertEntry(
    int index, const QPixmap &icon, const QString &text, bool visible);

  void removeEntry(int index);

  void removeAllEntries();

  void startModifyingData();

  void finishModifyingData();

  int getNumberOfEntries() const;

  int getIndexForId(unsigned int id) const;

  QPixmap getIcon(int index) const;

  void setIcon(int index, const QPixmap &icon);

  QString getText(int index) const;

  void setText(int index, const QString &text);

  void setVisible(int index, bool visible);

  bool getVisible(int index) const;

signals:
  void entryInserted(int index);

  void removingEntry(int index);

  void entryRemoved(int index);

  void entriesReset();

  void iconChanged(int index);

  void textChanged(int index);

  void visibilityChanged(int index);

private:
  vtkQtChartLegendModelInternal *Internal; 
  bool InModify;                        
};

#endif

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