BackendGuiRaylib.hpp

//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2026 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef TGUI_BACKEND_GUI_RAYLIB_HPP
#define TGUI_BACKEND_GUI_RAYLIB_HPP
 
#include <TGUI/Backend/Window/BackendGui.hpp>
 
#include <raylib.h>

 
namespace tgui
{
    class TGUI_API BackendGuiRaylib : public BackendGui
    {
    public:
        BackendGuiRaylib();

        ~BackendGuiRaylib();

        bool handleEvents();

        bool handleCharPressed(int pressedChar);

        bool handleKeyPressed(int pressedKey);

        void mainLoop(Color clearColor = {240, 240, 240}) override;

        void updateTextCursorPosition(FloatRect inputRect, Vector2f caretPos) override;

        [[nodiscard]] bool isKeyboardModifierPressed(Event::KeyModifier modifierKey) const override;

        void endMainLoop();

        std::vector<Event> generateEventQueue(bool processKeyEvents);

        void startTextInput(FloatRect inputRect) override;

        void stopTextInput() override;

        void setSoftKeyboardFunctions(std::function<void()> showKeyboardFunc,
                                      std::function<void()> hideKeyboardFunc,
                                      std::function<int()> getKeyUnicodeFunc,
                                      std::function<void()> clearLastKeyFunc);

 
    protected:
        // Updates the view and changes the size of the root container when needed
        void updateContainerSize() override;

 
    protected:
        bool m_mouseOnWindow = true;
        bool m_endMainLoop = false;
 
        std::function<void()> m_showSoftKeyboardFunction;
        std::function<void()> m_hideSoftKeyboardFunction;
        std::function<int()> m_getLastSoftKeyUnicodeFunction;
        std::function<void()> m_clearLastSoftKeyFunction;
    };
} // namespace tgui

 
#endif // TGUI_BACKEND_GUI_RAYLIB_HPP