Added custom tab component

src/dev/kske/chess/ui/GameTabComponent.java

@@ -0,0 +1,38 @@
+package dev.kske.chess.ui;
+
+import java.awt.FlowLayout;
+
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTabbedPane;
+
+/**
+ * Project: <strong>Chess</strong><br>
+ * File: <strong>GameTabComponent.java</strong><br>
+ * Created: <strong>11 Dec 2019</strong><br>
+ *
+ * @author Kai S. K. Engelbart
+ */
+public class GameTabComponent extends JPanel {
+
+	private static final long serialVersionUID = 9022979950018125935L;
+
+	public GameTabComponent(JTabbedPane tabbedPane) {
+		super(new FlowLayout(FlowLayout.LEFT, 0, 0));
+		if (tabbedPane == null) throw new NullPointerException("TabbedPane is null");
+
+		// Create title JLabel
+		add(new JLabel() {
+
+			private static final long serialVersionUID = 7902391411509551586L;
+
+			@Override
+			public String getText() {
+				int i = tabbedPane.indexOfTabComponent(GameTabComponent.this);
+				return i != -1 ? tabbedPane.getTitleAt(i) : "";
+			}
+		});
+
+		// TODO: Add closing button
+	}
+}

src/dev/kske/chess/ui/MainWindow.java

@@ -91,7 +91,7 @@ public class MainWindow extends JFrame {
 	 *
 	 * @return The new {@link GamePane}
 	 */
-	public GamePane addGamePane() { return addGamePane("Game " + (tabbedPane.getComponentCount() + 1)); }
+	public GamePane addGamePane() { return addGamePane("Game " + (tabbedPane.getTabCount() + 1)); }
 
 	/**
 	 * Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
@@ -102,7 +102,8 @@ public class MainWindow extends JFrame {
 	public GamePane addGamePane(String title) {
 		GamePane gamePane = new GamePane();
 		tabbedPane.add(title, gamePane);
-		tabbedPane.setSelectedIndex(tabbedPane.getComponentCount() - 1);
+		tabbedPane.setTabComponentAt(tabbedPane.getTabCount() - 1, new GameTabComponent(tabbedPane));
+		tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
 		return gamePane;
 	}