WidgetScrollbarDecorator.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2015 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
//----------------------------------
// Includes
//----------------------------------
#include "MantidKernel/System.h"
 
#include <QScrollArea>
#include <QVBoxLayout>
#include <QWidget>
 
namespace MantidQt {
namespace API {
 
class DLLExport WidgetScrollbarDecorator {
public:
  explicit WidgetScrollbarDecorator(QWidget *target);
  virtual ~WidgetScrollbarDecorator();
 
  WidgetScrollbarDecorator(const WidgetScrollbarDecorator &) = delete;
  WidgetScrollbarDecorator &operator=(WidgetScrollbarDecorator) = delete;
 
  bool enabled() const;
 
  void setEnabled(bool enable);
 
  void setThresholdWidth(int width);
 
  void setThresholdHeight(int height);
 
  void setThresholdSize(int width, int height);
 
private:
  QVBoxLayout *m_layout;     
  QScrollArea *m_scrollarea; 
  QWidget *m_viewport;       
  QWidget *m_offscreen;      
 
  QWidget *m_target; 
  bool m_enabled;    
};
 
} // namespace API
} // namespace MantidQt