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cocos2d-X 节点（UILayer.h）API

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获取 UIInputManager，添加/移除 widget，设置 UILayer的可见 性

/////cocos2d-x-3.0alpha0/extensions/CocoStudio/GUI/System// 获取 UIInputManager，添加/移除 widget ，设置 UILayer 的可见 性#ifndef __UILAYER_H__#define __UILAYER_H__#include "cocos2d.h"#include "ExtensionMacros.h"#include "../BaseClasses/UIRootWidget.h"#include "../System/UIInputManager.h"NS_CC_EXT_BEGINclass UILayer : public Layer{    public:    /**     * Default constructor     */    UILayer();        /**     * Default destructor     */    virtual ~UILayer();        /**     * Allocates and initializes a widget.     */    static UILayer *create(void);        //initializes state of uilayer.         //初始化 uilayer 的状态    virtual bool init();        virtual void onEnter();    virtual void onExit();    virtual void onEnterTransitionDidFinish();        virtual bool onTouchBegan(Touch *pTouch, Event *pEvent);    virtual void onTouchMoved(Touch *pTouch, Event *pEvent);    virtual void onTouchEnded(Touch *pTouch, Event *pEvent);    virtual void onTouchCancelled(Touch *pTouch, Event *pEvent);        /**     * Add a widget to UILayer, for drawing.                //为绘制添加一个 eidget 到 UILayer     *     * @param widget.     */    void addWidget(UIWidget* widget);        /**     * Remove a widget from UILayer.     *     * @param widget.     *     * @param cleanup true 所有 children widgets 运行的 所有 action 都将 删除, false otherwise.     */    void removeWidget(UIWidget* widget);        /**     * Sets whether the UILayer is visible                          可见     *     * 默认值是 true ，默认可见     *     * @param visible   true if the UILayer is visible, false if the UILayer is hidden.     */    virtual void setVisible(bool visible);        /**     * Finds a widget whose tag is equal tag param from widget tree.        //从 widget 树上查找 tag 等于输入参数的 widget     *     * @param tag.     */    UIWidget* getWidgetByTag(int tag);        /**     * Seek a widget whose name is equal name param from widget tree.       //从 widget 树上查找 name 等于输入参数的 widget     *     * @param name.     */    UIWidget* getWidgetByName(const char* name);        /**     * Gets UIInputManager.     *     * UIInputManager 管理 UILayer 的触摸.     *     * @return UIInputManager.     */    UIInputManager* getInputManager();        /**     * Remove and clean up all of UILayer's widget.             //移除并清理所有的  UILayer's widget.     */    virtual void clear();        /**     * Gets root widget of UILayer.     *     * @return UIRootWidget, "UIRootWidget" is the root widget of UILayer.     */    UIRootWidget* getRootWidget();    protected:    UIRootWidget* _rootWidget;    UIInputManager* _inputManager;};NS_CC_EXT_END#endif /* defined(__UILAYER_H__) */