How to use

hooks

method

in

org.eclipse.swt.widgets.Composite

boolean hooksKeys () {
  return hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
}

boolean hooksKeys () {
  return hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
}

boolean hooksKeys () {
  return hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
}

boolean hooksKeys () {
  return hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
}

boolean hooksKeys () {
  return hooks (SWT.KeyDown) || hooks (SWT.KeyUp);
}

@Override
LRESULT WM_UPDATEUISTATE (int /*long*/ wParam, int /*long*/ lParam) {
  LRESULT result = super.WM_UPDATEUISTATE (wParam, lParam);
  if (result != null) return result;
  if ((state & CANVAS) != 0 && hooks (SWT.Paint)) {
    OS.InvalidateRect (handle, null, true);
  }
  return result;
}

double /*float*/ deltaY = nsEvent.deltaY();
double /*float*/ deltaX = nsEvent.deltaX ();
if ((hooks(SWT.Gesture) || filters (SWT.Gesture))) {
  if (deltaX != 0 || deltaY != 0) {
    if (!gestureEvent(id, theEvent, SWT.GESTURE_PAN)) {
  if (deltaY != 0) {
    boolean doit = true;
    if (hooks (SWT.MouseWheel) || filters (SWT.MouseWheel)) {
      doit = sendMouseEvent(nsEvent, SWT.MouseWheel, true);
    if (hooks (SWT.MouseHorizontalWheel) || filters (SWT.MouseHorizontalWheel)) {
      doit = sendMouseEvent(nsEvent, SWT.MouseHorizontalWheel, true);

if ((state & CANVAS) != 0) {
  if ((style & SWT.NO_REDRAW_RESIZE) == 0) {
    if (hooks (SWT.Paint)) {
      OS.InvalidateRect (handle, null, true);

  drawBackground (wParam, rect);
if (hooks (SWT.Paint) || filters (SWT.Paint)) {
  GCData data = new GCData ();
  data.device = display;

if (hooks (SWT.Paint) || filters (SWT.Paint)) {