ZoomInTool.java 文件源码

private KeyUpHandler createKeyHandler() {
    KeyUpHandler handler=  new KeyUpHandler() {
        @Override
        public void onKeyUp(final KeyUpEvent event) {
            if (KeyCodes.KEY_PAGEDOWN == event.getNativeEvent().getKeyCode()) {
                onRelease();
            }
        }
    };

    return handler;
}