GraphicsStripDetailLayout.hpp

#pragma once
 
#include <score/graphics/layouts/GraphicsBoxLayout.hpp>
 
#include <functional>
#include <vector>
 
class QMimeData;
 
namespace score
{
class SCORE_LIB_BASE_EXPORT GraphicsStripCell : public GraphicsVBoxLayout
{
public:
  explicit GraphicsStripCell(QGraphicsItem* parent);
  ~GraphicsStripCell();
 
  void setTitle(const QString& title);
  void setShownTitle(const QString& title);
  void setSelected(bool selected);
  std::function<void()> onClicked;
 
  void setDropHandler(
      std::function<bool(const QMimeData&)> accepts,
      std::function<void(const QMimeData&)> drop);
  bool acceptsDrop(const QMimeData& data) const;
  void drop(const QMimeData& data);
  void setDropHighlight(bool on);
 
  void layout() override;
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
      override;
 
private:
  qreal titleHeight() const;
 
  QString m_title;
  QString m_shownTitle;
  QString m_elided;
  QFont m_elidedFont;
  qreal m_elidedWidth{-1.};
  qreal m_elidedAscent{};
  QGraphicsItem* m_hitArea{};
  std::function<bool(const QMimeData&)> m_acceptsDrop;
  std::function<void(const QMimeData&)> m_drop;
  bool m_selected{};
  bool m_dropHighlight{};
};
 
class SCORE_LIB_BASE_EXPORT GraphicsStripDetailLayout : public GraphicsLayout
{
public:
  explicit GraphicsStripDetailLayout(QGraphicsItem* parent);
  ~GraphicsStripDetailLayout();
 
  GraphicsLayout& strip();
  void addCell(GraphicsStripCell* cell);
 
  int currentIndex() const noexcept { return m_currentIndex; }
  void setCurrentIndex(int index);
  std::function<void(int)> onCurrentIndexChanged;
  void setStripVisible(bool visible);
 
  void layout() override;
 
private:
  QVariant itemChange(GraphicsItemChange change, const QVariant& value) override;
  std::vector<QGraphicsItem*> pages() const;
 
  GraphicsHBoxLayout* m_strip{};
  std::vector<GraphicsStripCell*> m_cells;
  int m_currentIndex{};
  bool m_stripVisible{true};
};
}