QScienceSpinBox.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 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
 
#include "MantidQtWidgets/Common/DllOption.h"
 
#include <QDebug>
#include <QDoubleSpinBox>
#include <QDoubleValidator>
#include <QLineEdit>
#include <QString>
#include <QVariant>
 
namespace MantidQt {
namespace API {
 
class EXPORT_OPT_MANTIDQT_COMMON QScienceSpinBox : public QDoubleSpinBox {
  Q_OBJECT
public:
  QScienceSpinBox(QWidget *parent = nullptr);
 
  int decimals() const;
  void setDecimals(int value);
 
  QString textFromValue(double value) const override;
  double valueFromText(const QString &text) const override;
 
  void setLogSteps(bool logSteps);
 
private:
  int dispDecimals;
  QChar delimiter, thousand;
  QDoubleValidator *v;
  bool m_logSteps;
 
private:
  void initLocalValues(QWidget *parent);
  bool isIntermediateValue(const QString &str) const;
  QVariant validateAndInterpret(QString &input, int &pos, QValidator::State &state) const;
  QValidator::State validate(QString &text, int &pos) const override;
  void fixup(QString &input) const override;
  QString stripped(const QString &t, int *pos) const;
  double round(double value) const;
  void stepBy(int steps) override;
 
public slots:
  void stepDown();
  void stepUp();
 
signals:
  void valueChangedFromArrows();
};
 
} // namespace API
} // namespace MantidQt