LWJGL installed. Example window added.

src/main/java/org/toop/Main.java

@@ -16,5 +16,6 @@ public class Main {
         System.out.println(msg);
         System.out.println(server);
 
+        Window.start();
     }
 }

src/main/java/org/toop/Window.java

@@ -0,0 +1,155 @@
+package org.toop;
+
+import org.lwjgl.*;
+import org.lwjgl.glfw.*;
+import org.lwjgl.opengl.*;
+import org.lwjgl.system.*;
+
+import java.nio.*;
+
+import static org.lwjgl.glfw.Callbacks.*;
+import static org.lwjgl.glfw.GLFW.*;
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.system.MemoryStack.*;
+import static org.lwjgl.system.MemoryUtil.*;
+import static org.lwjgl.stb.STBImage.*;
+
+public class Window {
+
+    // The window handle
+    private long window;
+
+    public void run() {
+
+        init();
+        loop();
+
+        // Free the window callbacks and destroy the window
+        glfwFreeCallbacks(window);
+        glfwDestroyWindow(window);
+
+        // Terminate GLFW and free the error callback
+        glfwTerminate();
+        glfwSetErrorCallback(null).free();
+    }
+
+    private void init() {
+        // Set up an error callback. The default implementation
+        // will print the error message in System.err.
+        GLFWErrorCallback.createPrint(System.err).set();
+
+        // Initialize GLFW. Most GLFW functions will not work before doing this.
+        if ( !glfwInit() ){
+            throw new IllegalStateException("Unable to initialize GLFW");
+        }
+
+
+        // Configure GLFW
+        glfwDefaultWindowHints(); // optional, the current window hints are already the default
+        glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // the window will stay hidden after creation
+        glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // the window will be resizable
+
+        // Create the window
+        window = glfwCreateWindow(1920, 1080, "ISY Game Selector", NULL, NULL);
+        if ( window == NULL )
+            throw new RuntimeException("Failed to create the GLFW window");
+
+        // Set up a key callback. It will be called every time a key is pressed, repeated or released.
+        glfwSetKeyCallback(window, (window, key, scancode, action, mods) -> {
+            if ( key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE ) {
+                glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
+            }
+        });
+
+        // Get the thread stack and push a new frame
+        try ( MemoryStack stack = stackPush() ) {
+            IntBuffer pWidth = stack.mallocInt(1); // int*
+            IntBuffer pHeight = stack.mallocInt(1); // int*
+
+            // Get the window size passed to glfwCreateWindow
+            glfwGetWindowSize(window, pWidth, pHeight);
+
+            // Get the resolution of the primary monitor
+            GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
+
+            // Center the window
+            assert vidmode != null;
+            glfwSetWindowPos(
+                    window,
+                    (vidmode.width() - pWidth.get(0)) / 2,
+                    (vidmode.height() - pHeight.get(0)) / 2
+            );
+
+
+
+            // Prepare buffers to receive image data
+            IntBuffer width  = stack.mallocInt(1);
+            IntBuffer height = stack.mallocInt(1);
+            IntBuffer channels = stack.mallocInt(1);
+
+            // Load the image
+            String imagePath = "img/icon.png";
+            ByteBuffer image = stbi_load(imagePath, width, height, channels, 4); // Force RGBA (4 channels)
+
+            if (image == null) {
+                throw new RuntimeException("Failed to load image: " + stbi_failure_reason());
+            }
+
+            // Create GLFWImage
+            GLFWImage icon = GLFWImage.malloc(stack);
+            icon.set(width.get(0), height.get(0), image);
+
+            // Create a buffer with the icon(s) — can be multiple icons for different sizes
+            GLFWImage.Buffer icons = GLFWImage.malloc(1, stack);
+            icons.put(0, icon);
+
+            // Set the window icon
+            glfwSetWindowIcon(window, icons);
+
+            // Free the image data
+            stbi_image_free(image);
+
+
+        } // the stack frame is popped automatically
+
+        // Make the OpenGL context current
+        glfwMakeContextCurrent(window);
+        // Enable v-sync
+        glfwSwapInterval(1);
+
+        // Make the window visible
+        glfwShowWindow(window);
+    }
+
+    private void loop() {
+        // This line is critical for LWJGL's interoperation with GLFW's
+        // OpenGL context, or any context that is managed externally.
+        // LWJGL detects the context that is current in the current thread,
+        // creates the GLCapabilities instance and makes the OpenGL
+        // bindings available for use.
+        GL.createCapabilities();
+
+        // Set the clear color
+        glClearColor(0.5f, 0.5f, 0.5f, 0.0f);
+
+        // Run the rendering loop until the user has attempted to close
+        // the window or has pressed the ESCAPE key.
+        while ( !glfwWindowShouldClose(window) ) {
+            glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the framebuffer
+
+            glfwSwapBuffers(window); // swap the color buffers
+
+            // Poll for window events. The key callback above will only be
+            // invoked during this call.
+            glfwPollEvents();
+        }
+    }
+
+    //public static void main(String[] args) {
+        //new Window().run();
+    //}
+    public static void start(){
+        new Window().run();
+    }
+
+}