focuslistener.hpp

// SPDX-License-Identifier: LGPL-2.1-or-later OR BSD-3-Clause
// SPDX-FileCopyrightText: 2004 - 2008 Olof Naessén and Per Larsson
// SPDX-FileCopyrightText: 2013 - 2026 Fifengine contributors
 
#ifndef INCLUDE_FIFECHAN_FOCUSLISTENER_HPP_
#define INCLUDE_FIFECHAN_FOCUSLISTENER_HPP_
 
#include <string>
 
#include "fifechan/event.hpp"
#include "fifechan/platform.hpp"
 
namespace fcn
{
    class FIFEGUI_API FocusListener
    {
    public:
        virtual ~FocusListener() = default;
 
        FocusListener(FocusListener const &)            = delete;
        FocusListener& operator=(FocusListener const &) = delete;
        FocusListener(FocusListener&&)                  = delete;
        FocusListener& operator=(FocusListener&&)       = delete;

        virtual void focusGained(Event const & event) { }

        virtual void focusLost(Event const & event) { }
 
    protected:
        FocusListener() = default;
    };
} // namespace fcn
 
#endif // INCLUDE_FIFECHAN_FOCUSLISTENER_HPP_