FileWatcher.h

Go to the documentation of this file.

// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
 
#pragma once
 
// OpenMS_GUI config
#include <OpenMS/VISUAL/OpenMS_GUIConfig.h>
 
//OpenMS
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/DATASTRUCTURES/String.h>
#include <map>
 
//Qt
#include <QtCore/QFileSystemWatcher>
 
//STL
#include <map>
 
namespace OpenMS
{
  class String;
 
  class OPENMS_GUI_DLLAPI FileWatcher :
    public QFileSystemWatcher       //find out why ICC requires public instead of protected
  {
    Q_OBJECT
 
public:
    FileWatcher(QObject * parent = nullptr);
 
    ~FileWatcher() override;
 
    inline void setDelayInSeconds(double delay)
    {
      delay_in_seconds_ = delay;
    }
 
    inline void addFile(const String & path)
    {
      QFileSystemWatcher::addPath(path.toQString());
    }
 
    inline void removeFile(const String & path)
    {
      QFileSystemWatcher::removePath(path.toQString());
    }
 
signals:
    void fileChanged(const String &);
 
protected slots:
    void monitorFileChanged_(const QString & name);
    void timerTriggered_();
 
protected:
    std::map<QString, QString> timers_;
    double delay_in_seconds_;
  };
 
  // OPENMS_DLLAPI extern FileWatcher myFileWatcher_instance;
}