input.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_INPUT_HPP_
#define INCLUDE_FIFECHAN_INPUT_HPP_
 
// Standard library includes
#include <cstdint>
#include <string>
 
// Platform config include
#include "fifechan/platform.hpp"
 
namespace fcn
{
    class KeyInput;
    class MouseInput;

    class FIFEGUI_API Input
    {
        public:
            virtual ~Input() = default;
 
            Input(Input const &)            = delete;
            Input& operator=(Input const &) = delete;
            Input(Input&&)                  = delete;
            Input& operator=(Input&&)       = delete;

            virtual bool isKeyQueueEmpty() = 0;

            virtual KeyInput dequeueKeyInput() = 0;

            virtual bool isMouseQueueEmpty() = 0;

            virtual MouseInput dequeueMouseInput() = 0;

            virtual bool isTextQueueEmpty()
            {
                return true;
            }

            virtual std::string dequeueTextInput()
            {
                return {};
            }

            virtual void _pollInput() = 0;
 
        protected:
            Input() = default;
    };
} // namespace fcn
 
#endif // INCLUDE_FIFECHAN_INPUT_HPP_