timespinbox.h

/*
    SPDX-FileCopyrightText: 2002 Jason Harris <kstars@30doradus.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include <QSpinBox>
#include <QStringList>
 
/**
 * @class TimeSpinBox
 * Custom spinbox to handle selection of timestep values with variable units.
 * @note this should only be used internally, embedded in a TimeStepBox widget.
 *
 * @author Jason Harris
 * @version 1.0
 */
class TimeSpinBox : public QSpinBox
{
    Q_OBJECT
  public:
    /** Constructor */
    explicit TimeSpinBox(QWidget *parent, bool daysOnly = false);
    /** Destructor (empty) */
    ~TimeSpinBox() override = default;
 
    /**
     * Convert the internal value to a display string.
     * @note reimplemented from QSpinBox
     * @p value the internal value to convert to a display string
     * @return the display string
     */
    QString textFromValue(int value) const override;
 
    /**
     * Convert the displayed string to an internal value.
     * @note reimplemented from QSpinBox
     * @p ok bool pointer set to true if conversion was successful
     * @return internal value converted from displayed text
     */
    int valueFromText(const QString &text) const override;
 
    /** @return the current TimeStep setting */
    float timeScale() const;
 
    void setDaysOnly(bool daysonly);
    bool daysOnly() const { return DaysOnly; }
 
  signals:
    void scaleChanged(float s);
 
  public slots:
    void changeScale(float s);
 
  protected slots:
    void reportChange();
 
  private:
    bool DaysOnly { false };
    float TimeScale[43];
    QStringList TimeString;
};