QskBoundedInput.h

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#ifndef QSK_BOUNDED_INPUT_H
#define QSK_BOUNDED_INPUT_H
 
#include "QskBoundedControl.h"
 
class QskIntervalF;
 
class QSK_EXPORT QskBoundedInput : public QskBoundedControl
{
    Q_OBJECT
 
    Q_PROPERTY( qreal stepSize READ stepSize WRITE setStepSize NOTIFY stepSizeChanged )
    Q_PROPERTY( uint pageSteps READ pageSteps WRITE setPageSteps NOTIFY pageStepsChanged )
 
    Q_PROPERTY( bool snap READ snap WRITE setSnap NOTIFY snapChanged )
    Q_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly NOTIFY readOnlyChanged )
 
    using Inherited = QskBoundedControl;
 
  public:
    QSK_STATES( ReadOnly )
 
    QskBoundedInput( QQuickItem* parent = nullptr );
    ~QskBoundedInput() override;
 
    qreal stepSize() const;
    qreal pageSize() const; // pageSteps() * stepSize()
    uint pageSteps() const; 
 
    void setSnap( bool );
    bool snap() const;
 
    void setReadOnly( bool );
    bool isReadOnly() const;
 
  public Q_SLOTS:
    void setStepSize( qreal );
    void setPageSteps( uint );
 
    void stepUp();
    void stepDown();
    void pageUp();
    void pageDown();
 
    virtual void increment( qreal offset ) = 0;
 
  Q_SIGNALS:
    void stepSizeChanged( qreal );
    void pageStepsChanged( qreal );
    void snapChanged( bool );
 
    void readOnlyChanged( bool );
 
  protected:
    void keyPressEvent( QKeyEvent* ) override;
 
#ifndef QT_NO_WHEELEVENT
    void wheelEvent( QWheelEvent* ) override;
#endif
 
    void componentComplete() override;
    virtual void alignInput();
 
    qreal alignedValue( qreal ) const;
    QskIntervalF alignedInterval( const QskIntervalF& ) const;
 
    qreal incrementForKey( const QKeyEvent* ) const;
 
  private:
    class PrivateData;
    std::unique_ptr< PrivateData > m_data;
};
 
#endif