How to use

forceFocus

method

in

org.eclipse.swt.widgets.Composite

@Override
boolean forceFocus (int /*long*/ focusHandle) {
  int dir = OS.GTK_DIR_TAB_FORWARD;
  if ((style & SWT.MIRRORED) != 0) dir = OS.GTK_DIR_TAB_BACKWARD;
  int /*long*/ childHandle = handle;
  if (currentFocusItem != null)  childHandle = currentFocusItem.handle;
  /*
   * Feature in GTK. GtkToolBar takes care of navigating through
   * items by Up/Down arrow keys.
   */
  if (OS.gtk_widget_child_focus (childHandle, dir)) return true;
  return super.forceFocus (focusHandle);
}

@Override
boolean forceFocus (long /*int*/ focusHandle) {
  int dir = OS.GTK_DIR_TAB_FORWARD;
  if ((style & SWT.MIRRORED) != 0) dir = OS.GTK_DIR_TAB_BACKWARD;
  long /*int*/ childHandle = handle;
  if (currentFocusItem != null)  childHandle = currentFocusItem.handle;
  /*
   * Feature in GTK. GtkToolBar takes care of navigating through
   * items by Up/Down arrow keys.
   */
  if (OS.gtk_widget_child_focus (childHandle, dir)) return true;
  return super.forceFocus (focusHandle);
}

@Override
boolean forceFocus (int /*long*/ focusHandle) {
  int dir = OS.GTK_DIR_TAB_FORWARD;
  if ((style & SWT.MIRRORED) != 0) dir = OS.GTK_DIR_TAB_BACKWARD;
  int /*long*/ childHandle = handle;
  if (currentFocusItem != null)  childHandle = currentFocusItem.handle;
  /*
   * Feature in GTK. GtkToolBar takes care of navigating through
   * items by Up/Down arrow keys.
   */
  if (OS.gtk_widget_child_focus (childHandle, dir)) return true;
  return super.forceFocus (focusHandle);
}

@Override
boolean forceFocus (int /*long*/ focusHandle) {
  if (lastFocus != null && lastFocus.setFocus ()) return true;
  for (int i = 0; i < itemCount; i++) {
    ExpandItem item = items [i];
    if (item.setFocus ()) return true;
  }
  return super.forceFocus (focusHandle);
}

@Override
boolean forceFocus (long /*int*/ focusHandle) {
  if (lastFocus != null && lastFocus.setFocus ()) return true;
  for (int i = 0; i < itemCount; i++) {
    ExpandItem item = items [i];
    if (item.setFocus ()) return true;
  }
  return super.forceFocus (focusHandle);
}

@Override
boolean forceFocus (int /*long*/ focusHandle) {
  if (lastFocus != null && lastFocus.setFocus ()) return true;
  for (int i = 0; i < itemCount; i++) {
    ExpandItem item = items [i];
    if (item.setFocus ()) return true;
  }
  return super.forceFocus (focusHandle);
}

/**
 * Creates the page control by creating individual options in the order
 * subject to their position in the list.'
 *
 * @param composite
 */
@Override
public void createControl(Composite composite) {
  Composite container = new Composite(composite, SWT.NULL);
  GridLayout layout = new GridLayout();
  layout.numColumns = 2;
  layout.verticalSpacing = 9;
  container.setLayout(layout);
  for (int i = 0; i < options.size(); i++) {
    TemplateOption option = (TemplateOption) options.get(i);
    option.createControl(container, 2);
  }
  if (helpContextId != null)
    PlatformUI.getWorkbench().getHelpSystem().setHelp(container, helpContextId);
  setControl(container);
  Dialog.applyDialogFont(container);
  container.forceFocus();
}