lab12

lab/lab12/Question2/MyPanel.java

@@ -0,0 +1,37 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class MyPanel extends JPanel {
+	private int x = -1;
+	private int y = -1;
+
+	public MyPanel(LayoutManager layout) {
+		super(layout);
+
+		// anonymouse listener
+		addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseClicked(MouseEvent e) {
+				// left clicked
+				if (e.getButton() == MouseEvent.BUTTON1) {
+					System.out.println("Left button clicked at " + e.getX() + "," + e.getY());
+				}
+				x = e.getX();
+				y = e.getY();
+				repaint();
+			}
+		});
+	}
+
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+
+		// red dot
+		g.setColor(Color.RED);
+		g.drawRect(x, y, 1, 1);
+	}
+
+}