pqDoubleLineEdit.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
#ifndef pqDoubleLineEdit_h
#define pqDoubleLineEdit_h

// Qt Includes.
#include <QScopedPointer> // for ivar
#include <QTextStream>    // for formatDouble

// ParaView Includes.
#include "pqLineEdit.h"
#include "pqWidgetsModule.h"

class PQWIDGETS_EXPORT pqDoubleLineEdit : public pqLineEdit
{
  Q_OBJECT
  Q_ENUMS(RealNumberNotation)
  Q_PROPERTY(RealNumberNotation notation READ notation WRITE setNotation)
  Q_PROPERTY(int precision READ precision WRITE setPrecision)
  Q_PROPERTY(bool useGlobalPrecisionAndNotation READ useGlobalPrecisionAndNotation WRITE
      setUseGlobalPrecisionAndNotation)
  using Superclass = pqLineEdit;

public:
  pqDoubleLineEdit(QWidget* parent = nullptr);
  ~pqDoubleLineEdit() override;

  enum RealNumberNotation
  {
    MixedNotation = 0,
    ScientificNotation,
    FixedNotation,
    FullNotation
  };

  RealNumberNotation notation() const;

  int precision() const;

  bool useGlobalPrecisionAndNotation() const;


  static void setGlobalPrecisionAndNotation(int precision, RealNumberNotation notation);
  static int globalPrecision();
  static RealNumberNotation globalNotation();

  QString simplifiedText() const;

  static QString formatDouble(double value, pqDoubleLineEdit::RealNumberNotation notation,
    int precision, int fullLowExponent = -6, int fullHighExponent = 20);

public Q_SLOTS: // NOLINT(readability-redundant-access-specifiers)
  void setNotation(RealNumberNotation _notation);

  void setPrecision(int precision);

  void setUseGlobalPrecisionAndNotation(bool value);

protected:
  void paintEvent(QPaintEvent* evt) override;
  void resizeEvent(QResizeEvent* event) override;

private:
  Q_DISABLE_COPY(pqDoubleLineEdit)

  static int GlobalPrecision;
  static RealNumberNotation GlobalNotation;

  class pqInternals;
  QScopedPointer<pqInternals> Internals;
};

#endif