FocusManager.hpp

#pragma once
#include <score/model/IdentifiedObjectAbstract.hpp>
 
#include <QPointer>
 
namespace score
{
struct SCORE_LIB_BASE_EXPORT FocusManager : public QObject
{
  W_OBJECT(FocusManager)
public:
  const IdentifiedObjectAbstract* get() { return m_obj; }
 
  template <typename T>
  void set(QPointer<T> obj)
  {
    m_obj = obj.data();
    changed();
  }
 
  void set(std::nullptr_t)
  {
    m_obj.clear();
    changed();
  }
 
  void changed() E_SIGNAL(SCORE_LIB_BASE_EXPORT, changed)
 
private:
  QPointer<IdentifiedObjectAbstract> m_obj{};
};
 
struct SCORE_LIB_BASE_EXPORT FocusFacade
{
private:
  FocusManager& m_mgr;
 
public:
  FocusFacade(FocusManager& mgr)
      : m_mgr{mgr}
  {
  }
 
  const IdentifiedObjectAbstract* get() const { return m_mgr.get(); }
};
}