How to use

invoke

method

in

com.jogamp.newt.util.EDTUtil

@Override
public void setTitle(final String title) {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setTitle(title);
  }
 });
}

public void showCursor() {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setPointerVisible(true);
  }
 });
}

@Override
public void setAlwaysOnTop(final boolean always) {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setAlwaysOnTop(always);
  }
 });
}

@Override
public void setResizable(final boolean resizable) {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setResizable(resizable);
  }
 });
}

public void requestFocus() {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.requestFocus();
  }
 });
}

@Override
public void setVisible(final boolean visible) {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setVisible(visible);
  }
 });
}

public void setLocation(final int x, final int y) {
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setTopLevelPosition(x, y);
  }
 });
}

 public void hideCursor() {
  display.getEDTUtil().invoke(false, new Runnable() {
   @Override
   public void run() {
    window.setPointerVisible(false);
   }
  });
 }
}

public void runOnEDTIfAvail(final boolean wait, final Runnable task) {
  final EDTUtil _edtUtil = edtUtil;
  if( !_edtUtil.isRunning() ) { // start EDT if not running yet
    synchronized( this ) {
      if( !_edtUtil.isRunning() ) { // // volatile dbl-checked-locking OK
        if( DEBUG ) {
          System.err.println("Info: EDT start "+Thread.currentThread().getName()+", "+this);
          ExceptionUtils.dumpStack(System.err);
        }
        _edtUtil.start();
      }
    }
  }
  if( !_edtUtil.isCurrentThreadEDT() ) {
    if( _edtUtil.invoke(wait, task) ) {
      return; // done
    }
    if( DEBUG ) {
      System.err.println("Warning: invoke(wait "+wait+", ..) on EDT failed .. invoke on current thread "+Thread.currentThread().getName());
      ExceptionUtils.dumpStack(System.err);
    }
  }
  task.run();
}

public void runOnEDTIfAvail(final boolean wait, final Runnable task) {
  final EDTUtil _edtUtil = edtUtil;
  if( !_edtUtil.isRunning() ) { // start EDT if not running yet
    synchronized( this ) {
      if( !_edtUtil.isRunning() ) { // // volatile dbl-checked-locking OK
        if( DEBUG ) {
          System.err.println("Info: EDT start "+Thread.currentThread().getName()+", "+this);
          Thread.dumpStack();
        }
        _edtUtil.start();
      }
    }
  }
  if( !_edtUtil.isCurrentThreadEDT() ) {
    if( _edtUtil.invoke(wait, task) ) {
      return; // done
    }
    if( DEBUG ) {
      System.err.println("Warning: invoke(wait "+wait+", ..) on EDT failed .. invoke on current thread "+Thread.currentThread().getName());
      Thread.dumpStack();
    }
  }
  task.run();
}

public void setCursor(PImage image, int hotspotX, int hotspotY) {
 Display disp = window.getScreen().getDisplay();
 BufferedImage bimg = (BufferedImage)image.getNative();
 DataBufferInt dbuf = (DataBufferInt)bimg.getData().getDataBuffer();
 int[] ipix = dbuf.getData();
 ByteBuffer pixels = ByteBuffer.allocate(ipix.length * 4);
 pixels.asIntBuffer().put(ipix);
 PixelFormat format = PixelFormat.ARGB8888;
 final Dimension size = new Dimension(bimg.getWidth(), bimg.getHeight());
 PixelRectangle pixelrect = new PixelRectangle.GenericPixelRect(format, size, 0, false, pixels);
 final PointerIcon pi = disp.createPointerIcon(pixelrect, hotspotX, hotspotY);
 display.getEDTUtil().invoke(false, new Runnable() {
  @Override
  public void run() {
   window.setPointerVisible(true);
   window.setPointerIcon(pi);
  }
 });
}