observable_evt.h

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/*************************************************************************
 *
 * Copyright (C) 2022 - 2025 Alec Leamas
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
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 * Free Software Foundation, Inc.,
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#ifndef OBSERVABLE_EVT_H  // Guard also used in ocpn_plugin.h
#define OBSERVABLE_EVT_H
 
#include <memory>
 
#include <wx/event.h>
 
class ObservedEvt;
 
wxDECLARE_EVENT(obsNOTIFY, ObservedEvt);
 
class ObservedEvt : public wxCommandEvent {
public:
  explicit ObservedEvt(wxEventType commandType = obsNOTIFY, int id = 0)
      : wxCommandEvent(commandType, id) {}
 
  ObservedEvt(const ObservedEvt& event) : wxCommandEvent(event) {
    this->m_shared_ptr = event.m_shared_ptr;
  }
 
  [[nodiscard]] wxEvent* Clone() const override{ return new ObservedEvt(*this); }
 
  [[nodiscard]] std::shared_ptr<const void> GetSharedPtr() const { return m_shared_ptr; }
 
  void SetSharedPtr(const std::shared_ptr<const void> p) { m_shared_ptr = p; }
 
private:
  std::shared_ptr<const void> m_shared_ptr;
};
 
#endif  // OBSERVABLE_EVT_H