utils.h

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#ifndef UTILS_H
#define UTILS_H
 
#include <QObject>
#include "PlotJuggler/plotdata.h"
 
using namespace PJ;
 
class MonitoredValue : public QObject
{
  Q_OBJECT
public:
  MonitoredValue(QObject* parent = nullptr) : QObject(parent), _value(0)
  {
  }
 
  void set(double newValue)
  {
    double prev = _value;
    _value = newValue;
    if (fabs(newValue - prev) > std::numeric_limits<double>::epsilon())
    {
      emit valueChanged(_value);
    }
  }
 
  double get() const
  {
    return _value;
  }
signals:
  void valueChanged(double);
 
private:
  double _value;
};
 
struct MoveDataRet
{
  std::vector<std::string> added_curves;
  bool curves_updated = false;
  bool data_pushed = false;
};
 
MoveDataRet MoveData(PlotDataMapRef& source, PlotDataMapRef& destination,
                     bool remove_older);
 
#endif  // UTILS_H