How to use

setTabItemFocus

method

in

org.eclipse.swt.widgets.Composite

@Override
boolean setTabItemFocus () {
  int index = 0;
  while (index < items.length) {
    ToolItem item = items [index];
    if (item != null && (item.style & SWT.SEPARATOR) == 0) {
      if (item.getEnabled ()) break;
    }
    index++;
  }
  if (index == items.length) return false;
  return super.setTabItemFocus ();
}

boolean setTabGroupFocus () {
  if (isTabItem ()) return setTabItemFocus ();
  boolean takeFocus = (style & SWT.NO_FOCUS) == 0;
  if ((state & CANVAS) != 0) takeFocus = hooksKeys ();
  if (takeFocus && setTabItemFocus ()) return true;
  Control [] children = _getChildren ();
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && child.setTabItemFocus ()) return true;
  }
  return false;
}

@Override
boolean setTabGroupFocus (boolean next) {
  if (isTabItem ()) return setTabItemFocus (next);
  boolean takeFocus = (style & SWT.NO_FOCUS) == 0;
  if ((state & CANVAS) != 0) takeFocus = hooksKeys ();
  if (socketHandle != 0) takeFocus = true;
  if (takeFocus  && setTabItemFocus (next)) return true;
  Control [] children = _getChildren ();
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && child.setTabItemFocus (next)) return true;
  }
  return false;
}

@Override
boolean setTabGroupFocus (boolean next) {
  if (isTabItem ()) return setTabItemFocus (next);
  boolean takeFocus = (style & SWT.NO_FOCUS) == 0;
  if ((state & CANVAS) != 0) takeFocus = hooksKeys ();
  if (socketHandle != 0) takeFocus = true;
  if (takeFocus  && setTabItemFocus (next)) return true;
  Control [] children = _getChildren ();
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && child.setTabItemFocus (next)) return true;
  }
  return false;
}

@Override
boolean setTabGroupFocus (boolean next) {
  if (isTabItem ()) return setTabItemFocus (next);
  boolean takeFocus = (style & SWT.NO_FOCUS) == 0;
  if ((state & CANVAS) != 0) takeFocus = hooksKeys ();
  if (socketHandle != 0) takeFocus = true;
  if (takeFocus  && setTabItemFocus (next)) return true;
  Control [] children = _getChildren ();
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && child.setTabItemFocus (next)) return true;
  }
  return false;
}

@Override
boolean setTabGroupFocus () {
  if (isTabItem ()) return setTabItemFocus ();
  boolean takeFocus = (style & SWT.NO_FOCUS) == 0;
  if ((state & CANVAS) != 0) {
    takeFocus = hooksKeys ();
    if ((style & SWT.EMBEDDED) != 0) takeFocus = true;
  }
  if (takeFocus && setTabItemFocus ()) return true;
  Control [] children = _getChildren ();
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && child.setRadioFocus (true)) return true;
  }
  for (int i=0; i<children.length; i++) {
    Control child = children [i];
    if (child.isTabItem () && !child.isTabGroup () && child.setTabItemFocus ()) {
      return true;
    }
  }
  return false;
}