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  Empty cursor - how to??  (Read 1151 times)
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Offline Vorax

Senior Member


Projects: 1


System shutting down in 5..4..3...


« Posted 2005-10-20 03:54:03 »

I am trying ot make an empty (transparent) cursor, but I am having no luck.  From what I have read, the code below should work, but I still get a 1x1 dot.

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  public void hideCursor() {
   
    IntBuffer databuffer = GeoUtils.newIntBuffer(4);
    databuffer.put( new int[]{0,0,0,0} );
    databuffer.flip();
   
    try {
      Cursor empty = new Cursor(1,1, 0, 0, 1, databuffer, null);
      Mouse.setNativeCursor(empty);
     
    } catch (LWJGLException e) {
      e.printStackTrace();
    }
  }


It looks simple, but I have spent hours trying byte buffers and converting them to int buffers, actually creating a transparent image and sending that, etc...no luck.  It's probably something obvious, but I give up...what am I missing?

PS: I don't want to use setGrabbed(true) because I already have an entire API for handling the mouse.

Offline oNyx

JGO Coder


Medals: 1


pixels! :x


« Reply #1 - Posted 2005-10-20 04:44:35 »

*shrug*
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      IntBuffer databuffer = Buffers.getIntBuffer(16*16);
      databuffer.clear();
      for(int i=0;i<16*16;i++)
         databuffer.put(0x00000000);
      databuffer.limit(16*16);
      databuffer.rewind();

      try {
        Cursor empty = new Cursor(16,16, 0, 0, 1, databuffer, null);
        Mouse.setNativeCursor(empty);

      } catch (LWJGLException e) {
        e.printStackTrace();
      }


That works. Everything smaller than 16x16 doesnt.

弾幕 ☆ @mahonnaiseblog
Offline Vorax

Senior Member


Projects: 1


System shutting down in 5..4..3...


« Reply #2 - Posted 2005-10-20 05:37:22 »

And so it does...thanks!

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