backends/sdl2/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_BACKENDS_SDL_SDLINPUT_HPP_
#define INCLUDE_FIFECHAN_BACKENDS_SDL_SDLINPUT_HPP_
 
#include <SDL2/SDL.h>
 
#include <queue>
 
#include "fifechan/input.hpp"
#include "fifechan/keyinput.hpp"
#include "fifechan/mouseinput.hpp"
#include "fifechan/platform.hpp"
 
namespace fcn
{
    class Key;
}
 
namespace fcn::sdl2
{

    class FIFEGUI_EXT_API Input : public fcn::Input
    {
    public:
        Input();

        virtual void pushInput(SDL_Event event);

        void _pollInput() override { }
 
        // Inherited from Input
 
        bool isKeyQueueEmpty() override;
 
        KeyInput dequeueKeyInput() override;
 
        bool isMouseQueueEmpty() override;
 
        MouseInput dequeueMouseInput() override;
 
    protected:
        MouseInput::Button convertMouseButton(int button);

        int convertSDLEventToFifechanKeyValue(SDL_Event event);

        std::queue<KeyInput> mKeyInputQueue;

        std::queue<MouseInput> mMouseInputQueue;

        bool mMouseDown{false};

        bool mMouseInWindow{false};
    };
} // namespace fcn::sdl2
 
#endif // INCLUDE_FIFECHAN_BACKENDS_SDL_SDLINPUT_HPP_