MouseDemo.java

package mousedemo;

import org.lwjgl.LWJGLException;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;

/**
 *
 * @author GinjaNinja32
 */
public class MouseDemo {
    public static double transform(double value, double originalLow, double originalHigh, double finalLow, double finalHigh) {
        value -= originalLow; // [oLow, oHigh] - oLow : [0, oRange]
        value /= originalHigh - originalLow; // [0, oRange] / oRange : [0, 1]
        value *= finalHigh - finalLow; // [0, 1] * fRange : [0, fRange]
        value += finalLow; // [0, fRange] + fLow : [fLow, fHigh]
        return value;
    }

    public static void main(String[] args) {
        try {
            Display.setDisplayMode(new DisplayMode(800, 600));
            Display.create();
            GL11.glClearColor(1, 1, 1, 1);

            // Method 1 - doesn't seem to work in any case
            //Mouse.setNativeCursor(new Cursor(1, 1, 0, 0, 1, BufferUtils.createIntBuffer(1), null));

            // Method 2 - has worked in NetBeans only, but doesn't seem to in this code
            //Mouse.setNativeCursor(new Cursor(1, 1, 0, 0, 1, (IntBuffer)IntBuffer.allocate(1).put(0x00000000).rewind(), null));

            while(!(Display.isCloseRequested() || Keyboard.isKeyDown(Keyboard.KEY_ESCAPE))) {
                double mx = transform(Mouse.getX(), 0, 800, -1, 1);
                double my = transform(Mouse.getY(), 0, 600, -1, 1);

                // clear to white screen
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

                // draw a black diamond around the mouse for visibility
                GL11.glColor4d(0, 0, 0, 1);
                GL11.glBegin(GL11.GL_LINE_LOOP);
                    GL11.glVertex2d(mx+0.1, my);
                    GL11.glVertex2d(mx, my+0.1);
                    GL11.glVertex2d(mx-0.1, my);
                    GL11.glVertex2d(mx, my-0.1);
                GL11.glEnd();

                Display.update();
            }
        } catch(LWJGLException le) {
            System.out.println("Exception: " + le.getMessage());
            System.exit(1);
        }
    }
}