observable_confvar.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
 * along with this program; if not, write to the
 * Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,  USA.
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#ifndef OBSERVABLE_CONFVAR_H
#define OBSERVABLE_CONFVAR_H
 
#include <memory>
#include <string>
 
#include <wx/config.h>
 
#include "observable.h"
 
template <typename T = std::string>
class ConfigVar : public Observable {
public:
  ConfigVar(const std::string& section_, const std::string& key_,
            wxConfigBase* cb);
  ConfigVar() = delete;
 
  void Set(const T& arg);
 
  const T Get(const T& default_val);
 
private:
 
  const std::string section;
  const std::string key;
  wxConfigBase* const config;
};
 
#endif  // OBSERVABLE_CONFVAR_H