/** @return true if action is added and has second stroke */
  private boolean addAction(AnAction action, Shortcut sc) {
    boolean hasSecondStroke = false;

    Shortcut[] shortcuts = action.getShortcutSet().getShortcuts();
    for (Shortcut each : shortcuts) {
      if (!each.isKeyboard()) continue;

      if (each.startsWith(sc)) {
        if (!myContext.getActions().contains(action)) {
          myContext.getActions().add(action);
        }

        if (each instanceof KeyboardShortcut) {
          hasSecondStroke |= ((KeyboardShortcut) each).getSecondKeyStroke() != null;
        }
      }
    }

    return hasSecondStroke;
  }
  public static String getShortcutText(@NotNull Shortcut shortcut) {
    String s = "";

    if (shortcut instanceof KeyboardShortcut) {
      KeyboardShortcut keyboardShortcut = (KeyboardShortcut) shortcut;

      String acceleratorText = getKeystrokeText(keyboardShortcut.getFirstKeyStroke());
      if (!acceleratorText.isEmpty()) {
        s = acceleratorText;
      }

      acceleratorText = getKeystrokeText(keyboardShortcut.getSecondKeyStroke());
      if (!acceleratorText.isEmpty()) {
        s += ", " + acceleratorText;
      }
    } else if (shortcut instanceof MouseShortcut) {
      MouseShortcut mouseShortcut = (MouseShortcut) shortcut;
      s =
          getMouseShortcutText(
              mouseShortcut.getButton(),
              mouseShortcut.getModifiers(),
              mouseShortcut.getClickCount());
    } else if (shortcut instanceof KeyboardModifierGestureShortcut) {
      final KeyboardModifierGestureShortcut gestureShortcut =
          (KeyboardModifierGestureShortcut) shortcut;
      s =
          gestureShortcut.getType() == KeyboardGestureAction.ModifierType.dblClick
              ? "Press, release and hold "
              : "Hold ";
      s += getKeystrokeText(gestureShortcut.getStroke());
    } else {
      throw new IllegalArgumentException(
          "unknown shortcut class: " + shortcut.getClass().getCanonicalName());
    }
    return s;
  }