QGraphicsNoteChooser.hpp

#pragma once
#include <QGraphicsItem>
#include <QObject>
 
#include <score_lib_base_export.h>
 
#include <verdigris>
 
namespace score
{
 
class SCORE_LIB_BASE_EXPORT QGraphicsNoteChooser final
    : public QObject
    , public QGraphicsItem
{
  W_OBJECT(QGraphicsNoteChooser)
  Q_INTERFACES(QGraphicsItem)
 
  static constexpr int m_min = 0;
  static constexpr int m_max = 127;
  static constexpr double m_width = 30;
  static constexpr double m_height = 28;
  QPointF m_startPos{};
  double m_curValue{};
  int m_value{};
  bool m_grab{};
 
public:
  QGraphicsNoteChooser(QGraphicsItem* parent);
 
  void setValue(int v);
  int value() const;
 
  bool moving = false;
 
public:
  void sliderMoved() E_SIGNAL(SCORE_LIB_BASE_EXPORT, sliderMoved)
  void sliderReleased() E_SIGNAL(SCORE_LIB_BASE_EXPORT, sliderReleased)
 
private:
  void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
  void mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
  void mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
      override;
  QRectF boundingRect() const override;
};
 
}