QskBoundedRangeInput.h

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#ifndef QSK_BOUNDED_RANGE_INPUT_H
#define QSK_BOUNDED_RANGE_INPUT_H
 
#include "QskBoundedInput.h"
#include "QskIntervalF.h"
 
class QSK_EXPORT QskBoundedRangeInput : public QskBoundedInput
{
    Q_OBJECT
 
    Q_PROPERTY( qreal lowerValue READ lowerValue
        WRITE setLowerValue NOTIFY lowerValueChanged )
 
    Q_PROPERTY( qreal upperValue READ upperValue
        WRITE setUpperValue NOTIFY upperValueChanged )
 
    Q_PROPERTY( QskIntervalF range READ range WRITE setRange
        RESET resetRange NOTIFY rangeChanged )
 
    using Inherited = QskBoundedInput;
 
  public:
    QskBoundedRangeInput( QQuickItem* parent = nullptr );
    QskBoundedRangeInput( const QskIntervalF&, QQuickItem* parent = nullptr );
    ~QskBoundedRangeInput() override;
 
    void setRange( qreal lowerValue, qreal upperValue );
    void resetRange();
 
    QskIntervalF range() const;
 
    qreal lowerValue() const;
    qreal upperValue() const;
 
    // [0.0, 1.0]
    qreal lowerValueAsRatio() const;
    qreal upperValueAsRatio() const;
 
  public Q_SLOTS:
    void setRange( const QskIntervalF& );
 
    void setLowerValue( qreal );
    void setUpperValue( qreal );
 
    void setLowerValueAsRatio( qreal );
    void setUpperValueAsRatio( qreal );
 
  Q_SIGNALS:
    void rangeChanged( const QskIntervalF& );
    void lowerValueChanged( qreal );
    void upperValueChanged( qreal );
 
  protected:
    virtual QskIntervalF fixupRange( const QskIntervalF& ) const;
 
    void alignInput() override;
 
  private:
    void setRangeInternal( const QskIntervalF& );
    void adjustValue();
 
    QskIntervalF m_range;
};
 
#endif