Fixed visual issues as per @delvh 's request

src/main/java/envoy/client/net/Client.java

@@ -91,7 +91,7 @@ public class Client implements Closeable {
 		SerializationUtils.writeBytesWithLength(credentials, socket.getOutputStream());
 
 		// Wait for a maximum of five seconds to acquire the sender object
-		long start = System.currentTimeMillis();
+		final long start = System.currentTimeMillis();
 		while (sender == null) {
 
 			// Quit immediately after handshake rejection
@@ -162,7 +162,7 @@ public class Client implements Closeable {
 		eventBus.register(SendEvent.class, evt -> {
 			try {
 				sendEvent(evt.get());
-			} catch (IOException e) {
+			} catch (final IOException e) {
 				e.printStackTrace();
 			}
 		});
@@ -221,7 +221,7 @@ public class Client implements Closeable {
 	 */
 	public Map<String, Contact> getUsers() {
 		checkOnline();
-		Map<String, Contact> users = new HashMap<>();
+		final Map<String, Contact> users = new HashMap<>();
 		contacts.forEach(u -> users.put(u.getName(), u));
 		users.put(sender.getName(), sender);
 		return users;

src/main/java/envoy/client/ui/controller/ChatScene.java

@@ -232,9 +232,6 @@ public final class ChatScene {
 	 */
 	@FXML
 	private void checkKeyCombination(KeyEvent e) {
-		// TODO: Letting go of ctrl automatically posts a message. Needs to be fixed
-		// soon.
-
 		// Automatic sending of messages via (ctrl +) enter
 		if (!postButton.isDisabled() && settings.isEnterToSend() && e.getCode() == KeyCode.ENTER
 				|| !settings.isEnterToSend() && e.getCode() == KeyCode.ENTER && e.isControlDown())

src/main/java/envoy/client/ui/controller/LoginScene.java

@@ -28,7 +28,7 @@ import envoy.util.EnvoyLog;
  * Project: <strong>envoy-client</strong><br>
  * File: <strong>LoginDialog.java</strong><br>
  * Created: <strong>03.04.2020</strong><br>
- * 
+ *
  * @author Kai S. K. Engelbart
  * @since Envoy Client v0.1-beta
  */
@@ -72,7 +72,7 @@ public final class LoginScene {
 
 	/**
 	 * Loads the login dialog using the FXML file {@code LoginDialog.fxml}.
-	 * 
+	 *
 	 * @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
@@ -104,9 +104,7 @@ public final class LoginScene {
 		if (registerCheckBox.isSelected() && !passwordField.getText().equals(repeatPasswordField.getText())) {
 			clearPasswordFields();
 			new Alert(AlertType.ERROR, "The entered password is unequal to the repeated one").showAndWait();
-		} else {
+		} else performHandshake(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), registerCheckBox.isSelected()));
-			performHandshake(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), registerCheckBox.isSelected()));
-		}
 	}
 
 	@FXML
@@ -120,7 +118,6 @@ public final class LoginScene {
 		// Make repeat password field and label visible / invisible
 		repeatPasswordField.setVisible(registerCheckBox.isSelected());
 		repeatPasswordLabel.setVisible(registerCheckBox.isSelected());
-
 		clearPasswordFields();
 	}
 
@@ -148,12 +145,12 @@ public final class LoginScene {
 		try {
 			// Try entering offline mode
 			localDB.loadUsers();
-			User clientUser = (User) localDB.getUsers().get(credentials.getIdentifier());
+			final User clientUser = (User) localDB.getUsers().get(credentials.getIdentifier());
 			if (clientUser == null) throw new EnvoyException("Could not enter offline mode: user name unknown");
 			client.setSender(clientUser);
 			new Alert(AlertType.WARNING, "A connection to the server could not be established. Starting in offline mode.").showAndWait();
 			loadChatScene();
-		} catch (Exception e) {
+		} catch (final Exception e) {
 			new Alert(AlertType.ERROR, "Client error: " + e).showAndWait();
 			System.exit(1);
 		}

src/main/java/envoy/client/ui/controller/package-info.java

@@ -4,8 +4,8 @@
  * Project: <strong>envoy-client</strong><br>
  * File: <strong>package-info.java</strong><br>
  * Created: <strong>08.06.2020</strong><br>
- * 
+ *
  * @author Kai S. K. Engelbart
  * @since Envoy Client v0.1-beta
  */
-package envoy.client.ui.controller;
+package envoy.client.ui.controller;

src/main/resources/css/dark.css

@@ -1,4 +1,4 @@
 .button{
 	-fx-background-color: rgb(105,0,153);
 	-fx-text-fill: white;
-}
+}

src/main/resources/css/light.css

@@ -1,3 +1,3 @@
 .button{
 	-fx-background-color: snow;
-}
+}