Add proper layout to ChatWindow, fix user field selection in LoginDialog

src/main/java/envoy/client/ui/LoginDialog.java

@@ -61,8 +61,8 @@ public final class LoginDialog extends Dialog<Void> {
 	 * 
 	 * @param client               the client used to perform the handshake
 	 * @param localDB              the local database used for offline login
-	 * @param receivedMessageCache the cache storing messages received during the
-	 *                             handshake
+	 * @param receivedMessageCache the cache storing messages received during
+	 *                             the handshake
 	 * @throws IOException if an exception occurs during loading
 	 * @since Envoy Client v0.1-beta
 	 */
@@ -99,6 +99,9 @@ public final class LoginDialog extends Dialog<Void> {
 		setOnShown(e -> { if (config.hasLoginCredentials()) performHandshake(config.getLoginCredentials()); });
 
 		setDialogPane(dialogPane);
+
+		// Set initial cursor
+		Platform.runLater(userTextField::requestFocus);
 	}
 
 	@FXML
@@ -107,9 +110,6 @@ public final class LoginDialog extends Dialog<Void> {
 		// Show an alert after an unsuccessful handshake
 		eventBus.register(HandshakeRejectionEvent.class,
 				e -> Platform.runLater(() -> { clearPasswordFields(); new Alert(AlertType.ERROR, e.get()).showAndWait(); }));
-
-		// Set initial cursor
-		userTextField.requestFocus();
 	}
 
 	@FXML
@@ -144,7 +144,8 @@ public final class LoginDialog extends Dialog<Void> {
 				if (clientUser == null) throw new EnvoyException("Could not enter offline mode: user name unknown");
 				client.setSender(clientUser);
 				Platform.runLater(() -> {
-					new Alert(AlertType.WARNING, "A connection to the server could not be established. Starting in offline mode.\n" + e)
+					new Alert(AlertType.WARNING, "A connection to the server could not be established. Starting in offline mode.\n"
+							+ e)
 						.showAndWait();
 					hide();
 				});