Window.hpp

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#ifndef DONUT_GRAPHICS_WINDOW_HPP
#define DONUT_GRAPHICS_WINDOW_HPP
 
#include <donut/UniqueHandle.hpp>
#include <donut/graphics/Framebuffer.hpp>
#include <donut/graphics/Handle.hpp>
#include <donut/math.hpp>
 
#include <cstdint> // std::uint32_t
 
namespace donut::graphics {
 
struct WindowOptions {
    const char* title = "Application";
 
    ivec2 size{800, 600};
 
    bool resizable = true;
 
    bool fullscreen = false;
 
    bool vSync = false;
 
    int msaaLevel = 0;
};
 
class Window {
public:
    explicit Window(const WindowOptions& options);
 
    ~Window() = default;
 
    Window(const Window&) = delete;
 
    Window(Window&&) = delete;
 
    Window& operator=(const Window&) = delete;
 
    Window& operator=(Window&&) = delete;
 
    void present();
 
    void setTitle(const char* title);
 
    void setSize(ivec2 size);
 
    void setResizable(bool resizable);
 
    void setFullscreen(bool fullscreen);
 
    void setVSync(bool vSync);
 
    [[nodiscard]] bool isScreenKeyboardShown() const noexcept;
 
    [[nodiscard]] bool isFullscreen() const noexcept;
 
    [[nodiscard]] ivec2 getSize() const noexcept;
 
    [[nodiscard]] ivec2 getDrawableSize() const noexcept;
 
    [[nodiscard]] std::uint32_t getId() const;
 
    [[nodiscard]] Framebuffer& getFramebuffer();
 
private:
    struct VideoContext {
        VideoContext();
        ~VideoContext();
 
        VideoContext(const VideoContext&) = delete;
        VideoContext(VideoContext&&) = delete;
        VideoContext& operator=(const VideoContext&) = delete;
        VideoContext& operator=(VideoContext&&) = delete;
    };
 
    struct WindowDeleter {
        void operator()(void* handle) const noexcept;
    };
 
    struct GLContextDeleter {
        void operator()(void* handle) const noexcept;
    };
 
    [[no_unique_address]] VideoContext videoContext{};
    UniqueHandle<void*, WindowDeleter> window{};
    UniqueHandle<void*, GLContextDeleter> glContext{};
    Framebuffer framebuffer{Handle{}};
};
 
} // namespace donut::graphics
 
#endif