MouseBlock.java

import org.powerbot.game.bot.Context;

import java.awt.event.MouseListener;

/**
 * @author HelBorn
 */
public class MouseBlock {
	private static MouseListener mouseListener;
	private static boolean enabled;

	public static synchronized void enable() {
		if(!enabled) {
			mouseListener = Context.client().getCanvas().getMouseListeners()[0];
			Context.client().getCanvas().removeMouseListener(mouseListener);
			enabled = true;
		}
	}

	public static synchronized void disable() {
		if(enabled) {
			Context.client().getCanvas().addMouseListener(mouseListener);
			enabled = false;
		}
	}

	public static synchronized boolean isEnabled() {
		return enabled;
	}
}

MouseBlockScript.java

import org.powerbot.concurrent.Task;
import org.powerbot.game.api.ActiveScript;
import org.powerbot.game.api.Manifest;

import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

@Manifest(name = "Mouse Block Script", authors = {"HelBorn"})
public class MouseBlockScript extends ActiveScript implements MouseListener {
	@Override
	protected void setup() {
		submit(new Task() {
			@Override
			public void run() {
				MouseBlock.enable();
			}
		});
	}

	@Override
	public void onStop() {
		MouseBlock.disable();
	}

	@Override
	public void mouseClicked(MouseEvent e) {
		System.out.println("Mouse event registers for the script, but not the client.");
	}

	public void mousePressed(MouseEvent e) {}
	public void mouseReleased(MouseEvent e) {}
	public void mouseEntered(MouseEvent e) {}
	public void mouseExited(MouseEvent e) {}
}