/**
 * @RDE_HEADER@
 * SpinBox, that corrects values to a valid value that fits minimum() + n * singleStep() = value
 * $Id$
 * $HeadURL$
 * $Author$
 *
 * Created by Malte Diers, NLSE, 2018-05-07
 */

#pragma once

#include "lts_widgets_export.h"

#include <QSpinBox>

namespace LtsWidgets
{

class LTSWIDGETS_EXPORT LtsSpinBox : public QSpinBox
{
  Q_OBJECT

public:
  explicit LtsSpinBox(QWidget *parent = nullptr);
  ~LtsSpinBox() = default;

public slots:
  void setValue(int val) { QString valStr = QString::number(val); fixup(valStr); QSpinBox::setValue(valStr.toInt()); }
  bool setExclusionRanges(const QVector<QPair<int,int> > &exclusionRanges, bool preserveCurrentValues = false);
  bool addExclusionRange(int min, int max);
  void clearExclusionRanges();

protected:
  QValidator::State validate(QString &input, int &pos) const override;
  void fixup(QString &str) const override;

private:

  struct
  {
    bool operator()(const QPair<int,int> &a, const QPair<int,int> &b) const { return a.first < b.first; }
  } customless;

  QVector<QPair<int,int> > m_exclusions;
  QVector<QPair<int,int> > m_validRanges; // Doubles the information. However, it saves calculation...

};

class LTSWIDGETS_EXPORT LtsDoubleSpinBox : public QDoubleSpinBox
{
  Q_OBJECT

public:
  explicit LtsDoubleSpinBox(QWidget *parent = nullptr);
  ~LtsDoubleSpinBox() = default;

public slots:
  void setValue(double val) { QString valStr = QString::number(val); fixup(valStr); QDoubleSpinBox::setValue(valStr.toDouble()); }

protected:
  QValidator::State validate(QString &input, int &pos) const override;
  void fixup(QString &str) const override;

};

}