FilterUtils.java 文件源码

public KeyStroke registerAction(String actionKey, Action action, ActionMap actionMap, InputMap inputMap) {
    if (!FILTER_ACTION_KEY.equals(actionKey)) return null;

    KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_G, InputEvent.CTRL_MASK);
    actionMap.put(actionKey, action);
    inputMap.put(ks, actionKey);

    return ks;
}