commit a8ebc7a78f9a1951276acbd69ecb5ce1267f3c33
Author: Pcornat <pcornat@protonmail.com>
Date:   Sat May 24 19:07:31 2025 +0200

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dfe7fc8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.idea
+cmake-*
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..330faa0
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,67 @@
+cmake_minimum_required(VERSION 4.0)
+project(WindowGlfwGlLib CXX C)
+
+include(CheckIPOSupported)
+check_ipo_supported(RESULT IS_IPO_SUPPORTED OUTPUT IPO_OUTPUT_VERBOSE)
+
+find_package(OpenGL REQUIRED)
+find_package(GLEW REQUIRED)
+find_package(glfw3 REQUIRED)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(Jemalloc REQUIRED jemalloc)
+
+set(COMPILE_FLAGS
+        -pipe
+        -march=native
+        -mtune=native
+        -Wall
+        -Wextra
+        -Winline
+        -pedantic
+        -pedantic-errors
+        -Wnrvo
+)
+
+set(COMPILE_OPTIMIZED_FLAGS
+        -fno-plt
+        -fuse-ld=mold
+        -funroll-loops
+        -ffunction-sections
+        -fdata-sections
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
+)
+
+set(LINKER_OPTIONS
+        -Wl,--sort-common,--as-needed
+)
+
+set(LINKER_OPTIMIZED_OPTIONS
+        -Wl,--gc-sections
+        -fuse-ld=mold
+)
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
+    set(COMPILE_FLAGS -stdlib=libc++ ${COMPILE_FLAGS})
+    set(LINKER_FLAGS ${LINKER_FLAGS} c++)
+
+    set(COMPILE_OPTIMIZED_FLAGS ${COMPILE_OPTIMIZED_FLAGS} -fwhole-program-vtables)
+    set(LINKER_OPTIMIZED_OPTIONS ${LINKER_OPTIMIZED_OPTIONS} -fwhole-program-vtables)
+elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
+    set(LINKER_FLAGS ${LINKER_FLAGS} stdc++)
+
+    set(COMPILE_OPTIMIZED_FLAGS ${COMPILE_OPTIMIZED_FLAGS} -fdevirtualize-at-ltrans)
+    set(LINKER_OPTIMIZED_OPTIONS ${LINKER_OPTIMIZED_OPTIONS} -fdevirtualize-at-ltrans)
+endif ()
+
+add_library(WindowGlfwGlLib SHARED window.cpp window.hpp basic_data.hpp)
+target_precompile_headers(${PROJECT_NAME} PUBLIC window.hpp basic_data.hpp)
+target_compile_definitions(${PROJECT_NAME} PUBLIC GLFW_INCLUDE_NONE PRIVATE $<$<AND:$<CONFIG:Debug>,$<CXX_COMPILER_ID:GNU>>:_GLIBCXX_DEBUG>)
+target_compile_options(${PROJECT_NAME} PUBLIC ${COMPILE_FLAGS} $<$<CONFIG:Release>:${COMPILE_OPTIMIZED_FLAGS}>)
+target_link_options(${PROJECT_NAME} PUBLIC ${LINKER_OPTIONS} $<$<CONFIG:Release>:${LINKER_OPTIMIZED_OPTIONS}>)
+target_link_libraries(${PROJECT_NAME} PUBLIC $<$<CONFIG:Release>:${Jemalloc_LIBRARIES}> OpenGL::GL GLEW::GLEW glfw)
+
+set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 23 CXX_EXTENSIONS OFF)
+if(IS_IPO_SUPPORTED)
+    set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE)
+else()
+    message(WARNING "IPO is not supported: ${IPO_OUTPUT_VERBOSE}")
+endif()
diff --git a/basic_data.hpp b/basic_data.hpp
new file mode 100644
index 0000000..cbe279a
--- /dev/null
+++ b/basic_data.hpp
@@ -0,0 +1,33 @@
+#ifndef POC2DMODULAR_BASIC_DATA_HPP
+#define POC2DMODULAR_BASIC_DATA_HPP
+
+
+#include <string>
+#include <utility>
+
+namespace data {
+    class BasicData {
+    public:
+
+        const std::string name{ "Basic" };
+
+        BasicData() = delete;
+
+        explicit BasicData(std::string name) : name(std::move(name)) {}
+
+        virtual ~BasicData() noexcept = default;
+
+        virtual void key_callback(int key, int scancode, int action, int mods) = 0;
+
+        virtual void cursor_position_callback(double xpos, double ypos) = 0;
+
+        virtual void scroll_callback(double xoffset, double yoffset) = 0;
+
+        virtual void window_pos(int xpos, int ypos) = 0;
+
+        virtual void window_size(int width, int height) = 0;
+    };
+}
+
+
+#endif //POC2DMODULAR_BASIC_DATA_HPP
diff --git a/window.cpp b/window.cpp
new file mode 100644
index 0000000..6c79e0a
--- /dev/null
+++ b/window.cpp
@@ -0,0 +1,157 @@
+#include "window.hpp"
+#include <algorithm>
+#include <GL/glew.h>
+
+static void internalFramebufferCallback([[maybe_unused]] GLFWwindow *glfWwindow, const int width, const int height) {
+    glViewport(0, 0, width, height);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+}
+
+namespace gui {
+    static bool init = false;
+
+    std::uint_fast8_t Window::count_instance = 0;
+
+    Window::Window(const bool debugOpengl,
+                   const GLFWframebuffersizefun framebufferCallback,
+                   GLFWwindow *shared,
+                   const std::initializer_list<modulesType::value_type> initializer) : modules(initializer) {
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
+        glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, debugOpengl ? GLFW_TRUE : GLFW_FALSE);
+        wwindow = std::unique_ptr<GLFWwindow, decltype(&delete_glfw_window)>(
+            glfwCreateWindow(720, 1280, "Billy Sheet tracker", nullptr, shared),
+            delete_glfw_window
+        );
+        if (!wwindow) {
+            glfwTerminate();
+            init = false;
+            count_instance = 0;
+            return;
+        }
+        glfwMakeContextCurrent(wwindow.get());
+        glewExperimental = true;
+        if (glewInit() != GLEW_OK) {
+            wwindow.reset(nullptr);
+            glfwTerminate();
+            init = false;
+            count_instance = 0;
+            return;
+        }
+        ++count_instance;
+        glfwSetFramebufferSizeCallback(wwindow.get(),
+            framebufferCallback != nullptr ? framebufferCallback : internalFramebufferCallback);
+
+        glfwSwapInterval(1); // VSync on
+        glfwSetKeyCallback(wwindow.get(), key_callback);
+        glfwSetScrollCallback(wwindow.get(), scroll_callback);
+        glfwSetCursorPosCallback(wwindow.get(), cursor_position_callback);
+        glfwSetWindowSizeCallback(wwindow.get(), window_size_callback);
+        glfwSetWindowPosCallback(wwindow.get(), window_pos_callback);
+        glfwSetWindowUserPointer(wwindow.get(), &modules);
+    }
+
+    Window::~Window() noexcept {
+        if (count_instance > 0) {
+            --count_instance;
+        }
+    }
+
+    const std::unique_ptr<GLFWwindow, decltype(&Window::delete_glfw_window)> &Window::get_window() const noexcept {
+        return wwindow;
+    }
+
+    bool Window::should_close() const noexcept {
+        return glfwWindowShouldClose(wwindow.get());
+    }
+
+    void Window::swap_buffers() const noexcept {
+        glfwSwapBuffers(wwindow.get());
+    }
+
+    void Window::key_callback(GLFWwindow *window, const int key, const int scancode, const int action, const int mods) {
+        auto *modules = static_cast<modulesType *>(glfwGetWindowUserPointer(window));
+        std::ranges::for_each(*modules,
+            [=](modulesType::reference item) { item.second->key_callback(key, scancode, action, mods); });
+    }
+
+    void Window::cursor_position_callback(GLFWwindow *window, const double xpos, const double ypos) {
+        auto *modules = static_cast<modulesType *>(glfwGetWindowUserPointer(window));
+        std::ranges::for_each(*modules,
+            [=](modulesType::reference item) { item.second->cursor_position_callback(xpos, ypos); });
+    }
+
+    void Window::scroll_callback(GLFWwindow *window, const double xoffset, const double yoffset) {
+        auto *modules = static_cast<modulesType *>(glfwGetWindowUserPointer(window));
+        std::ranges::for_each(*modules,
+            [=](modulesType::reference item) { item.second->scroll_callback(xoffset, yoffset); });
+    }
+
+    void Window::window_size_callback(GLFWwindow *window, const int width, const int height) {
+        auto *modules = static_cast<modulesType *>(glfwGetWindowUserPointer(window));
+        std::ranges::for_each(*modules,
+            [=](modulesType::reference item) { item.second->window_size(width, height); });
+    }
+
+    void Window::window_pos_callback(GLFWwindow *window, const int xpos, const int ypos) {
+        auto *modules = static_cast<modulesType *>(glfwGetWindowUserPointer(window));
+        std::ranges::for_each(*modules,
+            [=](modulesType::reference item) { item.second->window_pos(xpos, ypos); });
+    }
+
+    void Window::add_module(data::BasicData &module) {
+        modules.emplace(module.name, &module);
+    }
+
+    void Window::delete_module(const std::string &module) {
+        modules.erase(module);
+    }
+
+    void Window::get_context() const noexcept {
+        glfwMakeContextCurrent(wwindow.get());
+    }
+
+    std::optional<Window> create_window(
+        const GLFWerrorfun errorCallback,
+        const GLFWframebuffersizefun framebufferCallback,
+        const bool debugOpengl,
+        GLFWwindow *shared,
+        const std::initializer_list<Window::modulesType::value_type> initializer
+    ) noexcept {
+        if (!init) {
+            glfwSetErrorCallback(errorCallback);
+            if (glfwInit() == GLFW_FALSE) {
+                return std::nullopt;
+            }
+            init = true;
+        }
+        if (Window win{ debugOpengl, framebufferCallback, shared, initializer }; win.get_window()) {
+            return win;
+        }
+        return std::nullopt;
+    }
+
+    bool Window::init_glfw(const GLFWerrorfun errorCallback) noexcept {
+        glfwSetErrorCallback(errorCallback);
+        init = glfwInit() == GLFW_TRUE;
+        return init;
+    }
+
+    void color_10_bits() noexcept {
+        glfwWindowHint(GLFW_RED_BITS, 10);
+        glfwWindowHint(GLFW_GREEN_BITS, 10);
+        glfwWindowHint(GLFW_BLUE_BITS, 10);
+    }
+
+    bool check_color_depth(const int color_depth) noexcept {
+        GLint redBits = 0, greenBits = 0, blueBits = 0;
+        glGetIntegerv(GL_RED_BITS, &redBits);
+        glGetIntegerv(GL_GREEN_BITS, &greenBits);
+        glGetIntegerv(GL_BLUE_BITS, &blueBits);
+        return redBits == color_depth && greenBits == color_depth && blueBits == color_depth;
+    }
+
+    void opengl_debug() noexcept {
+        glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
+    }
+}
diff --git a/window.hpp b/window.hpp
new file mode 100644
index 0000000..7cd5788
--- /dev/null
+++ b/window.hpp
@@ -0,0 +1,89 @@
+#ifndef POC2DMODULAR_WINDOW_HPP
+#define POC2DMODULAR_WINDOW_HPP
+
+#include <memory>
+#include <optional>
+#include <string>
+#include <unordered_map>
+#include <GLFW/glfw3.h>
+
+namespace data {
+    class BasicData;
+}
+
+namespace gui {
+    class Window final {
+    public:
+        using modulesType = std::unordered_map<std::string, data::BasicData *>;
+        using windowPtr = GLFWwindow *;
+
+    private:
+        static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods);
+
+        static void cursor_position_callback(GLFWwindow *window, double xpos, double ypos);
+
+        static void scroll_callback(GLFWwindow *window, double xoffset, double yoffset);
+
+        static void window_size_callback(GLFWwindow *window, int width, int height);
+
+        static void window_pos_callback(GLFWwindow *window, int xpos, int ypos);
+
+        static void delete_glfw_window(GLFWwindow *glfWwindow) {
+            glfwDestroyWindow(glfWwindow);
+            glfwTerminate();
+        }
+
+        static std::uint_fast8_t count_instance;
+
+        std::unique_ptr<GLFWwindow, decltype(&delete_glfw_window)> wwindow{ nullptr, delete_glfw_window };
+
+        modulesType modules;
+
+        explicit Window(const bool debugOpengl,
+                        const GLFWframebuffersizefun framebufferCallback,
+                        GLFWwindow *shared,
+                        std::initializer_list<modulesType::value_type> initializer);
+
+    public:
+        [[nodiscard]] static bool init_glfw(GLFWerrorfun errorCallback) noexcept;
+
+        Window() noexcept = delete;
+
+        Window(Window &&window) noexcept = default;
+
+        [[nodiscard]] friend std::optional<Window> create_window(
+            const GLFWerrorfun errorCallback,
+            GLFWframebuffersizefun framebufferCallback,
+            const bool debugOpengl,
+            GLFWwindow *shared,
+            std::initializer_list<Window::modulesType::value_type> initializer) noexcept;
+
+        ~Window() noexcept;
+
+        [[nodiscard]] const std::unique_ptr<GLFWwindow, decltype(&delete_glfw_window)> &get_window() const noexcept;
+
+        [[nodiscard]] bool should_close() const noexcept;
+
+        void swap_buffers() const noexcept;
+
+        void add_module(data::BasicData &module);
+
+        void delete_module(const std::string &module);
+
+        /**
+         * \brief Make window's OpenGL context current
+         */
+        void get_context() const noexcept;
+
+        Window &operator=(Window &&other) noexcept = default;
+    };
+
+    void color_10_bits() noexcept;
+
+    bool check_color_depth(int color_depth) noexcept;
+
+    void opengl_debug() noexcept;
+}
+
+
+#endif //POC2DMODULAR_WINDOW_HPP