MapWidget.java 文件源码

/**
 * Set a new mouse wheel controller on the map. If the zoom on scroll is currently enabled, it will be disabled
 * first.
 * 
 * @param controller
 *            The new mouse wheel controller to be applied on the map.
 * @since 1.6.0
 */
@Api
public void setMouseWheelController(MouseWheelHandler controller) {
    setZoomOnScrollEnabled(false);
    mouseWheelRegistration = graphics.addMouseWheelHandler(controller);
}