deleter.hpp

#pragma once
 
#include "base_widget.hpp"
#include <bugui/concepts/widget.hpp>
 
namespace bugui
{
template <typename T
          , std::derived_from<base_widget> H
          , bool can_delete = true>
struct deleter : H
{
  using H::H;

  bool handle_Delete() override final
  {
    if constexpr (has_Delete<T>)
    {
      static_cast<T*>(this)->on_Delete();
      return true;
    }
 
    H::parent->remove_widget(this);
    return true;
  }
};

template <typename T, std::derived_from<base_widget> H>
struct deleter<T, H, false> : H
{
  using H::H;  

  bool handle_Delete() override final
  {
    if constexpr (has_Delete<T>)
    {
      static_cast<T*>(this)->on_Delete();
      return true;
    }
    else return false;
  }
};
 
} // namespace bugui