Update 1

.gitignore

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+cmake-build-debug/
+cmake-build-debug-mingw/
+
+.idea/

.gitmodules

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+[submodule "glfw"]
+	path = vendor/glfw
+	url = https://github.com/glfw/glfw

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+
+project(TestGlfw)
+
+set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "GLFW lib only")
+set(GLFW_BUILD_TESTS OFF CACHE BOOL "GLFW lib only")
+set(GLFW_BUILD_DOCS OFF CACHE BOOL "GLFW lib only")
+set(GLFW_BUILD_INSTALL OFF CACHE BOOL "GLFW lib only")
+add_subdirectory(vendor/glfw)
+
+set(CPP_FILES vendor/imgui/imgui.cpp
+        vendor/imgui/imgui_impl_glfw.cpp
+        vendor/imgui/imgui_impl_opengl3.cpp
+        vendor/imgui/imgui.cpp
+        vendor/imgui/imgui_tables.cpp
+        vendor/imgui/imgui_widgets.cpp
+        vendor/imgui/imgui_demo.cpp
+        vendor/imgui/imgui_draw.cpp
+)
+
+add_executable(${PROJECT_NAME} main.cpp ${CPP_FILES})
+
+target_link_libraries(${PROJECT_NAME} glfw opengl32 ${OPENGL_LIBRARIES} ${GLFW_LIBRARIES})

main.cpp

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+#include <iostream>
+#include <GLFW/glfw3.h>
+#include <cmath>
+#include "vendor/imgui/imgui.h"
+#include "vendor/imgui/imgui_impl_glfw.h"
+#include "vendor/imgui/imgui_impl_opengl3.h"
+
+void MySaveFunction() {
+    ImGui::Text("Saved !");
+}
+
+int main(void)
+{
+    GLFWwindow* window;
+
+    /* Initialize the library */
+    if (!glfwInit())
+        return -1;
+
+    /* Create a windowed mode window and its OpenGL context */
+    window = glfwCreateWindow(640, 480, "Hello World", NULL, NULL);
+    if (!window)
+    {
+        glfwTerminate();
+        return -1;
+    }
+
+    /* Make the window's context current */
+    glfwMakeContextCurrent(window);
+
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    ImGui::StyleColorsDark();
+    ImGui_ImplGlfw_InitForOpenGL(window, true);
+    ImGui_ImplOpenGL3_Init("#version 330");
+
+    /* Loop until the user closes the window */
+    while (!glfwWindowShouldClose(window))
+    {
+        /* Render here */
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
+
+        glBegin(GL_TRIANGLES);
+        glVertex2f(-0.5, -0.5);
+        glVertex2f(0.0, 0.5);
+        glVertex2f(0.5, -0.5);
+        glEnd();
+
+        ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+
+        /* Swap front and back buffers */
+        glfwSwapBuffers(window);
+
+        /* Poll for and process events */
+        glfwPollEvents();
+    }
+
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
+
+    glfwTerminate();
+    return 0;
+}

vendor/glfw/.appveyor.yml

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+image:
+    - Visual Studio 2015
+branches:
+    only:
+        - ci
+        - master
+        - latest
+        - 3.3-stable
+skip_tags: true
+environment:
+    matrix:
+        - GENERATOR: MinGW Makefiles
+          BUILD_SHARED_LIBS: ON
+          CFLAGS: -Werror
+        - GENERATOR: MinGW Makefiles
+          BUILD_SHARED_LIBS: OFF
+          CFLAGS: -Werror
+        - GENERATOR: Visual Studio 10 2010
+          BUILD_SHARED_LIBS: ON
+          CFLAGS: /WX
+        - GENERATOR: Visual Studio 10 2010
+          BUILD_SHARED_LIBS: OFF
+          CFLAGS: /WX
+matrix:
+    fast_finish: true
+for:
+-
+    matrix:
+        only:
+            - GENERATOR: MinGW Makefiles
+    build_script:
+        - set PATH=%PATH:C:\Program Files\Git\usr\bin=C:\MinGW\bin%
+        - cmake -S . -B build -G "%GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS%
+        - cmake --build build
+-
+    matrix:
+        only:
+            - GENERATOR: Visual Studio 10 2010
+    build_script:
+        - cmake -S . -B build -G "%GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS%
+        - cmake --build build --target glfw
+notifications:
+    - provider: Email
+      to:
+        - [email protected]
+      on_build_failure: true
+      on_build_success: false

vendor/glfw/.gitattributes

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+*.m linguist-language=Objective-C
+.gitignore export-ignore
+.gitattributes export-ignore
+.travis.yml export-ignore
+.appveyor.yml export-ignore

vendor/glfw/.github/CODEOWNERS

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+
+*               @elmindreda
+
+src/wl_*        @linkmauve
+
+docs/*.css      @glfw/webdev
+docs/*.scss     @glfw/webdev
+docs/*.html     @glfw/webdev
+docs/*.xml      @glfw/webdev
+

vendor/glfw/.github/workflows/build.yml

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+name: Build
+on:
+    pull_request:
+    push:
+        branches: [ ci, master, latest, 3.3-stable ]
+    workflow_dispatch:
+permissions:
+    statuses: write
+    contents: read
+
+jobs:
+    build-linux-x11-clang:
+        name: X11 (Linux, Clang)
+        runs-on: ubuntu-latest
+        env:
+            CC: clang
+            CFLAGS: -Werror
+        steps:
+            - uses: actions/checkout@v3
+            - name: Install dependencies
+              run: |
+                  sudo apt update
+                  sudo apt install libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev
+
+            - name: Configure static library
+              run: cmake -S . -B build-static
+            - name: Build static library
+              run: cmake --build build-static --parallel
+
+            - name: Configure shared library
+              run: cmake -S . -B build-shared -D BUILD_SHARED_LIBS=ON
+            - name: Build shared library
+              run: cmake --build build-shared --parallel
+
+    build-linux-full-clang:
+        name: X11+Wayland (Linux, Clang)
+        runs-on: ubuntu-latest
+        env:
+            CC: clang
+            CFLAGS: -Werror
+        steps:
+            - uses: actions/checkout@v3
+            - name: Install dependencies
+              run: |
+                  sudo apt update
+                  sudo apt install libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev wayland-protocols libwayland-dev libxkbcommon-dev
+
+            - name: Configure static library
+              run: cmake -S . -B build-static -D GLFW_BUILD_WAYLAND=ON
+            - name: Build static library
+              run: cmake --build build-static --parallel
+
+            - name: Configure shared library
+              run: cmake -S . -B build-shared -D GLFW_BUILD_WAYLAND=ON -D BUILD_SHARED_LIBS=ON
+            - name: Build shared library
+              run: cmake --build build-shared --parallel
+
+    build-macos-cocoa-clang:
+        name: Cocoa (macOS, Clang)
+        runs-on: macos-latest
+        env:
+            CFLAGS: -Werror
+            MACOSX_DEPLOYMENT_TARGET: 10.8
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Configure static library
+              run: cmake -S . -B build-static
+            - name: Build static library
+              run: cmake --build build-static --parallel
+
+            - name: Configure shared library
+              run: cmake -S . -B build-shared -D BUILD_SHARED_LIBS=ON
+            - name: Build shared library
+              run: cmake --build build-shared --parallel
+
+    build-windows-win32-vs2022:
+        name: Win32 (Windows, VS2022)
+        runs-on: windows-latest
+        env:
+            CFLAGS: /WX
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Configure static library
+              run: cmake -S . -B build-static -G "Visual Studio 17 2022"
+            - name: Build static library
+              run: cmake --build build-static --parallel
+
+            - name: Configure shared library
+              run: cmake -S . -B build-shared -G "Visual Studio 17 2022" -D BUILD_SHARED_LIBS=ON
+            - name: Build shared library
+              run: cmake --build build-shared --parallel
+

vendor/glfw/.gitignore

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+# The canonical out-of-tree build subdirectory
+build
+
+# Visual Studio clutter
+_ReSharper*
+*.sdf
+*.suo
+*.dir
+*.vcxproj*
+*.sln
+.vs
+CMakeSettings.json
+Win32
+x64
+Debug
+Release
+MinSizeRel
+RelWithDebInfo
+*.opensdf
+
+# Xcode clutter
+GLFW.build
+GLFW.xcodeproj
+
+# macOS clutter
+.DS_Store
+
+# Makefile generator clutter
+Makefile
+
+# Ninja generator clutter
+build.ninja
+rules.ninja
+.ninja_deps
+.ninja_log
+
+# CMake clutter
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+CMakeDoxyfile.in
+CMakeDoxygenDefaults.cmake
+cmake_install.cmake
+cmake_uninstall.cmake
+
+# Generated files
+docs/Doxyfile
+docs/html
+docs/warnings.txt
+docs/doxygen_sqlite3.db
+src/glfw_config.h
+src/glfw3.pc
+src/glfw3Config.cmake
+src/glfw3ConfigVersion.cmake
+
+# Compiled binaries
+src/libglfw.so
+src/libglfw.so.3
+src/libglfw.so.3.4
+src/libglfw.dylib
+src/libglfw.dylib
+src/libglfw.3.dylib
+src/libglfw.3.4.dylib
+src/libglfw3.a
+src/glfw3.lib
+src/glfw3.dll
+src/glfw3dll.lib
+src/libglfw3dll.a
+examples/*.app
+examples/*.exe
+examples/boing
+examples/gears
+examples/heightmap
+examples/offscreen
+examples/particles
+examples/splitview
+examples/sharing
+examples/triangle-opengl
+examples/wave
+examples/windows
+tests/*.app
+tests/*.exe
+tests/clipboard
+tests/cursor
+tests/empty
+tests/events
+tests/gamma
+tests/glfwinfo
+tests/icon
+tests/iconify
+tests/inputlag
+tests/joysticks
+tests/monitors
+tests/msaa
+tests/reopen
+tests/tearing
+tests/threads
+tests/timeout
+tests/title
+tests/triangle-vulkan
+tests/window
+tests/windows
+

vendor/glfw/.mailmap

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+Camilla Löwy <[email protected]> <[email protected]>
+Camilla Löwy <[email protected]> <[email protected]>
+Camilla Löwy <[email protected]>
+
+Emmanuel Gil Peyrot <[email protected]>
+
+Marcus Geelnard <[email protected]> <[email protected]>
+Marcus Geelnard <[email protected]> <marcus@geelnards-pc.(none)>
+Marcus Geelnard <[email protected]>
+