wait animation for loading

ChatApp/app/src/main/java/client/ClientGuiController.java

@@ -50,7 +50,7 @@ public void initialize() throws SocketException {
     client = new Client(new InetSocketAddress("localhost", 6665), this, UsernameSingleton.getInstance().getUsername());
     Platform.runLater(() -> {
         Stage stage = (Stage) vueContainer.getScene().getWindow();
-        stage.setResizable(true); // Fixed a bug that made the close button disappear under my Wayland setup (don't know if it's the same for x11)
+//        stage.setResizable(true); // Fixed a bug that made the close button disappear under my Wayland setup (don't know if it's the same for x11)
         stage.setOnCloseRequest(event -> {
             connected = false;
             client.close();

ChatApp/app/src/main/java/client/ClientLoading.java

@@ -1,5 +1,6 @@
 package client;
 
+import javafx.animation.PauseTransition;
 import javafx.animation.RotateTransition;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
@@ -7,11 +8,8 @@ import javafx.scene.Scene;
 import javafx.scene.shape.Arc;
 import javafx.stage.Stage;
 import javafx.util.Duration;
-import network.protocol.packets.ServerResponsePacket;
 
 import java.io.IOException;
-import java.time.Instant;
-import java.util.List;
 
 import static utilities.FxUtilities.centerStage;
 
@@ -19,23 +17,33 @@ public class ClientLoading {
     @FXML
     private Arc spinnerArc;
 
-    public void initialize() throws IOException, InterruptedException {
-        // Création de l'animation de rotation
+    /**
+     * Initialize the loading screen.
+     */
+    public void initialize() {
+        // Rotation animation cycle
         RotateTransition rotate = new RotateTransition(Duration.seconds(1), spinnerArc);
         rotate.setByAngle(360);
         rotate.setCycleCount(RotateTransition.INDEFINITE);
         rotate.play();
 
-//        new Thread(() -> {
-//            try {
-//                Thread.sleep(2000);
-//                login();
-//            } catch (IOException | InterruptedException e) {
-//                e.printStackTrace();
-//            }
-//        });
+        // Yes, this loading screen is just for show. But it's fun and pretty.
+        // PauseTransition allows no to block the rotation animation.
+        PauseTransition pause = new PauseTransition(Duration.millis(1000));
+        pause.setOnFinished(event -> {
+            try {
+                login();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        });
+        pause.play();
     }
 
+    /**
+     * Load the client GUI and switch to it.
+     * @throws IOException if the FXML file is not found.
+     */
     public void login() throws IOException {
         var loader = new FXMLLoader(getClass().getResource("/client/clientVue.fxml"));
         loader.load();