QskSlider.h

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#ifndef QSK_SLIDER_H
#define QSK_SLIDER_H
 
#include "QskBoundedValueInput.h"
#include "QskNamespace.h"
 
class QSK_EXPORT QskSlider : public QskBoundedValueInput
{
    Q_OBJECT
 
    Q_PROPERTY( bool isPressed READ isPressed NOTIFY pressedChanged )
 
    Q_PROPERTY( Qsk::Policy graduationPolicy READ graduationPolicy
        WRITE setGraduationPolicy RESET resetGraduationPolicy
        NOTIFY graduationPolicyChanged )
 
    Q_PROPERTY( Qt::Orientation orientation READ orientation
        WRITE setOrientation NOTIFY orientationChanged )
 
    Q_PROPERTY( bool tracking READ isTracking
        WRITE setTracking NOTIFY trackingChanged )
 
    Q_PROPERTY( qreal handlePosition READ handlePosition )
 
    using Inherited = QskBoundedValueInput;
 
  public:
    QSK_SUBCONTROLS( Panel, Groove, Fill, Scale, Tick, Handle )
    QSK_STATES( Pressed )
 
    explicit QskSlider( QQuickItem* parent = nullptr );
    explicit QskSlider( Qt::Orientation, QQuickItem* parent = nullptr );
 
    ~QskSlider() override;
 
    bool isPressed() const;
 
    void setOrientation( Qt::Orientation );
    Qt::Orientation orientation() const;
 
    void setGraduationPolicy( Qsk::Policy );
    void resetGraduationPolicy();
    Qsk::Policy graduationPolicy() const;
 
    void setTracking( bool );
    bool isTracking() const;
 
    qreal handlePosition() const; // [0,0, 1.0]
 
    QskAspect::Variation effectiveVariation() const override;
 
  Q_SIGNALS:
    void pressedChanged( bool );
    void orientationChanged( Qt::Orientation );
    void trackingChanged( bool );
    void graduationPolicyChanged( Qsk::Policy );
 
  protected:
    void mousePressEvent( QMouseEvent* ) override;
    void mouseMoveEvent( QMouseEvent* ) override;
    void mouseReleaseEvent( QMouseEvent* ) override;
 
    QSizeF handleSize() const;
    QRectF handleRect() const;
 
    void aboutToShow() override;
 
  private:
    void moveHandle();
    void moveHandleTo( qreal value, const QskAnimationHint& );
 
    class PrivateData;
    std::unique_ptr< PrivateData > m_data;
};
 
#endif