pqDoubleLineEdit.h

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/*=========================================================================

   Program: ParaView
   Module:  pqDoubleLineEdit.h

   Copyright (c) 2005-2018 Sandia Corporation, Kitware Inc.
   All rights reserved.

   ParaView is a free software; you can redistribute it and/or modify it
   under the terms of the ParaView license version 1.2.

   See License_v1.2.txt for the full ParaView license.
   A copy of this license can be obtained by contacting
   Kitware Inc.
   28 Corporate Drive
   Clifton Park, NY 12065
   USA

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

========================================================================*/
#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 = 0);
  ~pqDoubleLineEdit() override;

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

  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, QTextStream::RealNumberNotation notation, int precision);
  static QString formatDouble(
    double value, pqDoubleLineEdit::RealNumberNotation notation, int precision);


  static QString formatDoubleUsingGlobalPrecisionAndNotation(double value);

public Q_SLOTS:
  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