/*
 * Copyright (C) 1999-2011 Insight Software Consortium
 * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __itkQtProgressBar_h
#define __itkQtProgressBar_h

#include <QtWidgets>
#include "itkCommand.h"
#include "OTBQtWidgetExport.h"

namespace itk {

class OTBQtWidget_EXPORT QtProgressBar : public ::QProgressBar
{
  Q_OBJECT
public:

  /** Command Class invoked for button redraw */
  typedef itk::MemberCommand< QtProgressBar >  RedrawCommandType;

  /** Constructor */
  QtProgressBar( QWidget *parent );

  /** Destructor */
  ~QtProgressBar() override;

  /** Get Command */
  RedrawCommandType * GetRedrawCommand( void ) const;


  /** Manage a Progress event */
  void ProcessEvent(itk::Object * caller, const itk::EventObject & event );
  void ConstProcessEvent(const itk::Object * caller, const itk::EventObject & event );


  /** Manage a Progress event */
  void Observe( itk::Object *caller );

signals:
  void SetValueChanged(int);

private:
  itk::Object::Pointer       m_Caller;
  RedrawCommandType::Pointer m_RedrawCommand;
};


}  // end of namespace

#endif
