QGraphicsValueList.hpp

#pragma once
#include <score/graphics/widgets/Constants.hpp>
 
#include <ossia/network/value/value.hpp>
 
#include <QGraphicsItem>
#include <QObject>
#include <QStringList>
 
#include <score_lib_base_export.h>
 
#include <vector>
 
#include <verdigris>
 
namespace score
{
struct ValueListColumn
{
  QString name;
  double min{0.};
  double max{127.};
  double init{0.};
  bool integral{true};
  QStringList choices;
};
 
class SCORE_LIB_BASE_EXPORT QGraphicsValueList final
    : public QObject
    , public QGraphicsItem
{
  W_OBJECT(QGraphicsValueList)
  SCORE_GRAPHICS_ITEM_TYPE(300)
 
public:
  explicit QGraphicsValueList(QGraphicsItem* parent);
  ~QGraphicsValueList();
 
  void setColumns(std::vector<ValueListColumn> cols);
  const std::vector<ValueListColumn>& columns() const noexcept { return m_columns; }
  void setCountRange(int min, int max);
  void setItemsPerLine(int n);
 
  void setValue(const ossia::value& v);
  ossia::value value() const;
 
  QString toText() const;
  bool setText(const QString& text);
 
  void editAsText();
 
  bool moving = false;
 
  QRectF boundingRect() const override;
 
public:
  void sliderMoved() E_SIGNAL(SCORE_LIB_BASE_EXPORT, sliderMoved)
  void sliderReleased() E_SIGNAL(SCORE_LIB_BASE_EXPORT, sliderReleased)
  void edited() E_SIGNAL(SCORE_LIB_BASE_EXPORT, edited)
  void sizeChanged(QSizeF sz) E_SIGNAL(SCORE_LIB_BASE_EXPORT, sizeChanged, sz)
 
private:
  using Row = std::vector<double>;
 
  bool scalar() const noexcept { return m_columns.size() == 1; }
  int maxCount() const noexcept;
  Row defaultRow() const;
  Row clampRow(Row r) const;
 
  void rebuild();
  void updateCells();
  void structuralEdit();
 
  int rowAt(QPointF p) const noexcept;
  QRectF cellRect(int row, int col) const noexcept;
  QRectF removeRect(int row) const noexcept;
  QRectF addRect() const noexcept;
  QRectF popRect() const noexcept;
  qreal headerHeight() const noexcept;
  qreal columnWidth(int col) const noexcept;
 
  void insertRow(int at, Row r);
  void removeRow(int row);
  void moveRow(int row, int dir);
 
  void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
  void mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
  void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;
  void contextMenuEvent(QGraphicsSceneContextMenuEvent* event) override;
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
      override;
 
  std::vector<ValueListColumn> m_columns{ValueListColumn{}};
  std::vector<Row> m_rows;
  std::vector<std::vector<QGraphicsItem*>> m_cells;
  QRectF m_rect;
  int m_minCount{0};
  int m_maxCount{-1};
  int m_itemsPerLine{4};
  int m_pressed{};
};
}