LibGDX: Hide Mouse Cursor (Desktop)

HideCursor.java

import java.nio.IntBuffer;

import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.input.Mouse;

import com.badlogic.gdx.Application.ApplicationType;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.InputAdapter;
import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.utils.GdxRuntimeException;

/** NOTE: Presumably LibGDX will implement this functionality in time, making
 * this snippet obsolete. */
public class HideCursor implements ApplicationListener {

	public static void setHWCursorVisible(boolean visible) throws LWJGLException {
		if (Gdx.app.getType() != ApplicationType.Desktop && Gdx.app instanceof LwjglApplication)
			return;
		if (emptyCursor == null) {
			if (Mouse.isCreated()) {
				int min = org.lwjgl.input.Cursor.getMinCursorSize();
				IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
				emptyCursor = new org.lwjgl.input.Cursor(min, min, min / 2, min / 2, 1, tmp, null);
			} else {
				throw new LWJGLException(
						"Could not create empty cursor before Mouse object is created");
			}
		}
		if (Mouse.isInsideWindow())
			Mouse.setNativeCursor(visible ? null : emptyCursor);
	}

	public static void main(String[] args) {
		LwjglApplicationConfiguration cfg = new LwjglApplicationConfiguration();
		cfg.title = "atmos";
		cfg.useGL20 = true;
		cfg.width = 480;
		cfg.height = 320;
		LwjglApplication app = new LwjglApplication(new HideCursor(), cfg);

	}

	SpriteBatch batch;
	OrthographicCamera camera;
	static org.lwjgl.input.Cursor emptyCursor;
	boolean hwVisible = false;
	Texture cursor;
	int xHotspot, yHotspot;

	@Override
	public void create() {
		batch = new SpriteBatch();
		camera = new OrthographicCamera();

		cursor = new Texture(Gdx.files.internal("data/cursor.png"));
		xHotspot = 0;
		yHotspot = cursor.getHeight(); // lower left origin!

		// press SPACE to toggle software cursor
		Gdx.input.setInputProcessor(new InputAdapter() {
			public boolean keyDown(int key) {
				if (key == Keys.SPACE) {
					hwVisible = !hwVisible;
					return true;
				}
				return false;
			}
		});
	}

	@Override
	public void resize(int width, int height) {
		camera.setToOrtho(false, width, height);
		batch.setProjectionMatrix(camera.combined);
	}

	@Override
	public void render() {
		Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
		Gdx.gl.glClearColor(0.5f, 0.5f, 0.5f, 1f);

		try {
			setHWCursorVisible(hwVisible);
		} catch (LWJGLException e) {
			throw new GdxRuntimeException(e);
		}

		batch.begin();

		// ... draw sprites ...

		// draw SW cursor
		if (!hwVisible) {
			int x = Gdx.input.getX();
			int y = Gdx.input.getY();
			batch.draw(cursor, x - xHotspot, Gdx.graphics.getHeight() - y - 1 - yHotspot);
		}
		batch.end();
	}

	@Override
	public void pause() {

	}

	@Override
	public void resume() {

	}

	@Override
	public void dispose() {
		cursor.dispose();
		batch.dispose();
	}
}