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ios/cocos2d/cocos/ui/UICheckBox.h 4.6 KB
520389e3   xiaoyu   接入cocos源码,编译未通过,继续修改
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  /****************************************************************************
  Copyright (c) 2013-2016 Chukong Technologies Inc.
  Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
  
  http://www.cocos2d-x.org
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  ****************************************************************************/
  
  #ifndef __UICHECKBOX_H__
  #define __UICHECKBOX_H__
  
  #include "ui/UIAbstractCheckButton.h"
  #include "ui/GUIExport.h"
  
  /**
   * @addtogroup ui
   * @{
   */
  NS_CC_BEGIN
  
  namespace ui {
  
  /**
   *  Checkbox is a specific type of two-states button that can be either checked or unchecked.
   */
  class CC_GUI_DLL CheckBox : public AbstractCheckButton
  {
      
      DECLARE_CLASS_GUI_INFO
      
  public:
      /**
       * CheckBox event type, currently only "selected" and "unselected" event are cared.
       */
      enum class EventType
      {
          SELECTED,
          UNSELECTED
      };
      
      /**
       * A callback which will be called after certain CheckBox event issue.
       * @see `CheckBox::EventType`
       */
      typedef std::function<void(Ref*,CheckBox::EventType)> ccCheckBoxCallback;
      
      /**
       * Default constructor.
       * 
       * @lua new
       */
      CheckBox();
  
      /**
       * Default destructor.
       * 
       * @lua NA
       */
      virtual ~CheckBox();
  
      /**
       * Create and return a empty CheckBox instance pointer.
       */
      static CheckBox* create();
      
      /**
       * Create an checkbox with various images.
       *
       * @param backGround    backGround texture.
       * @param backGroundSelected    backGround selected state texture.
       * @param cross    cross texture.
       * @param backGroundDisabled    backGround disabled state texture.
       * @param frontCrossDisabled    cross dark state texture.
       * @param texType    @see `Widget::TextureResType`
       *
       * @return A CheckBox instance pointer.
       */
      static CheckBox* create(const std::string& backGround,
                              const std::string& backGroundSelected,
                              const std::string& cross,
                              const std::string& backGroundDisabled,
                              const std::string& frontCrossDisabled,
                              TextureResType texType = TextureResType::LOCAL);
      
      /**
       * Another factory method to create a CheckBox instance.
       * This method uses less resource to create a CheckBox.
       * @param backGround The background image name in `std::string`.
       * @param cross The cross image name in `std::string`.
       * @param texType  The texture's resource type in `Widget::TextureResType`.
       * @return A CheckBox instance pointer
       */
      static CheckBox* create(const std::string& backGround,
                              const std::string& cross,
                              TextureResType texType = TextureResType::LOCAL);
  
      /**
       *Add a callback function which would be called when checkbox is selected or unselected.
       *@param callback A std::function with type @see `ccCheckBoxCallback`
       */
      void addEventListener(const ccCheckBoxCallback& callback);
  
  
      //override functions
      virtual std::string getDescription() const override;
      
      virtual void onTouchEnded(Touch *touch, Event *unusedEvent) override;
  protected:
      
      virtual void dispatchSelectChangedEvent(bool selected) override;
      
      virtual Widget* createCloneInstance() override;
      virtual void copySpecialProperties(Widget* model) override;
      
  protected:
      //if you use the old event callback, it will retain the _checkBoxEventListener
      Ref*       _checkBoxEventListener;
      
      ccCheckBoxCallback _checkBoxEventCallback;
  
  };
  
  }
  
  NS_CC_END
  // end of ui group
  /// @}
  
  #endif /* defined(__CocoGUI__CheckBox__) */