Added board coordinates

src/dev/kske/chess/game/NaturalPlayer.java

@@ -1,6 +1,5 @@
 package dev.kske.chess.game;
 
-import java.awt.Rectangle;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.util.List;
@@ -52,9 +51,7 @@ public class NaturalPlayer extends Player implements MouseListener {
 
 	@Override
 	public void mousePressed(MouseEvent evt) {
-		Rectangle boardRect = new Rectangle(overlayComponent.getWidth() - overlayComponent.getX(),
-				overlayComponent.getHeight() - overlayComponent.getY());
-		if (!moveRequested || !boardRect.contains(evt.getPoint())) return;
+		if (!moveRequested) return;
 		if (pos == null) {
 			pos = new Position(evt.getPoint().x / overlayComponent.getTileSize(),
 					evt.getPoint().y / overlayComponent.getTileSize());

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

@@ -27,6 +27,7 @@ public class BoardComponent extends JComponent {
 
 	public BoardComponent(BoardPane boardPane) {
 		this.boardPane = boardPane;
+		setSize(boardPane.getPreferredSize());
 	}
 
 	@Override

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

@@ -21,10 +21,8 @@ public class BoardPane extends JLayeredPane {
 
 	public BoardPane() {
 		boardComponent		= new BoardComponent(this);
-		boardComponent.setBounds(40, 40, 520, 520);
 		overlayComponent	= new OverlayComponent(this);
 		setLayer(overlayComponent, 1);
-		overlayComponent.setBounds(40, 40, 520, 520);
 		setLayout(null);
 
 		add(boardComponent);
@@ -35,7 +33,7 @@ public class BoardPane extends JLayeredPane {
 	}
 
 	@Override
-	public Dimension getPreferredSize() { return new Dimension(560, 560); }
+	public Dimension getPreferredSize() { return new Dimension(480, 480); }
 
 	public BoardComponent getBoardComponent() { return boardComponent; }
 

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

@@ -2,10 +2,12 @@ package dev.kske.chess.ui;
 
 import java.awt.BorderLayout;
 import java.awt.EventQueue;
+import java.awt.GridLayout;
 import java.awt.Toolkit;
 
 import javax.swing.JButton;
 import javax.swing.JFrame;
+import javax.swing.JLabel;
 import javax.swing.JPanel;
 
 import dev.kske.chess.board.Piece.Color;
@@ -20,11 +22,11 @@ import dev.kske.chess.game.NaturalPlayer;
  */
 public class MainWindow {
 
-	private JFrame mframe;
-	private JButton btnRestart, btnSwapColors;
-	private BoardPane boardPane;
-	private Game game;
-	private Color activeColor;
+	private JFrame		mframe;
+	private JButton		btnRestart, btnSwapColors;
+	private BoardPane	boardPane;
+	private Game		game;
+	private Color		activeColor;
 
 	/**
 	 * Launch the application.
@@ -58,24 +60,17 @@ public class MainWindow {
 		mframe.setResizable(false);
 		mframe.setBounds(100, 100, 494, 565);
 		mframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-
 		mframe.setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("/pieces/queen_white.png")));
 
 		boardPane = new BoardPane();
 		mframe.getContentPane().add(boardPane, BorderLayout.CENTER);
 
 		JPanel toolPanel = new JPanel();
-		mframe.getContentPane().add(toolPanel, BorderLayout.NORTH);
-
 		btnRestart = new JButton("Restart");
-		btnRestart.addActionListener((evt) -> {
-			if (game != null)
-				game.reset();
-			game.start();
-		});
+		btnRestart.addActionListener((evt) -> { if (game != null) game.reset(); game.start(); });
 
-		activeColor = Color.WHITE;
-		btnSwapColors = new JButton("Play as black");
+		activeColor		= Color.WHITE;
+		btnSwapColors	= new JButton("Play as black");
 		btnSwapColors.addActionListener((evt) -> {
 			game.swapColors();
 			btnSwapColors.setText("Play as " + activeColor.toString().toLowerCase());
@@ -84,24 +79,30 @@ public class MainWindow {
 
 		toolPanel.add(btnRestart);
 		toolPanel.add(btnSwapColors);
+		mframe.getContentPane().add(toolPanel, BorderLayout.NORTH);
+
+		JPanel letterPanel = new JPanel(new GridLayout(1, 8));
+		for (int i = 0; i < 8; i++)
+			letterPanel.add(new JLabel(String.valueOf((char) (65 + i))));
+		mframe.add(letterPanel, BorderLayout.SOUTH);
+
+		JPanel numberPanel = new JPanel(new GridLayout(8, 1));
+		for (int i = 0; i < 8; i++)
+			numberPanel.add(new JLabel(String.valueOf(8 - i)));
+		mframe.add(numberPanel, BorderLayout.EAST);
 
 		mframe.setJMenuBar(new MenuBar(this));
-		
+
 		mframe.pack();
 		mframe.setLocationRelativeTo(null);
 	}
 
-	public BoardPane getBoardPane() {
-		return boardPane;
-	}
+	public BoardPane getBoardPane() { return boardPane; }
 
-	public Game getGame() {
-		return game;
-	}
+	public Game getGame() { return game; }
 
 	public void setGame(Game game) {
-		if (this.game != null)
-			this.game.disconnect();
+		if (this.game != null) this.game.disconnect();
 		this.game = game;
 		btnSwapColors.setEnabled(game.getPlayers().get(Color.WHITE) instanceof NaturalPlayer
 				^ game.getPlayers().get(Color.BLACK) instanceof NaturalPlayer);

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

@@ -34,6 +34,7 @@ public class OverlayComponent extends JComponent {
 	public OverlayComponent(BoardPane boardPane) {
 		this.boardPane = boardPane;
 		dots = new ArrayList<>();
+		setSize(boardPane.getPreferredSize());
 	}
 
 	@Override