public static boolean dispatchKeyType(Event e, Handler<KeyEvent> handler) {
    final KeyEvent event = EventTranslator.toKeyEvent(e);

    if (e.getCharCode() == 0) return true;
    if (e.getCharCode() == '\n') return true;
    if (e.getCharCode() == '\r') return true;
    if (event.has(ModifierKey.META) || event.has(ModifierKey.ALT) || event.has(ModifierKey.CONTROL))
      return true;

    handler.handle(event);

    return !event.isConsumed();
  }
Exemple #2
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 @Override
 public void onBrowserEvent(Event event) {
   if (cancelled) {
     return;
   }
   super.onBrowserEvent(event);
   assertEquals(KEY_CODE, event.getKeyCode());
   // shouldn't throw:
   event.getCharCode();
 }
  private static KeyEvent toKeyEvent(Event e) {
    Key key = KeyCodeMapper.getKey(e.getKeyCode());

    Set<ModifierKey> modifiers = new HashSet<>();
    if (e.getCtrlKey()) {
      modifiers.add(ModifierKey.CONTROL);
    }
    if (e.getAltKey()) {
      modifiers.add(ModifierKey.ALT);
    }
    if (e.getShiftKey()) {
      modifiers.add(ModifierKey.SHIFT);
    }
    if (e.getMetaKey()) {
      modifiers.add(ModifierKey.META);
    }
    return new KeyEvent(key, (char) e.getCharCode(), modifiers);
  }