mirror of https://github.com/axmolengine/axmol.git
320 lines
8.9 KiB
C++
320 lines
8.9 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __UIPAGEVIEW_H__
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#define __UIPAGEVIEW_H__
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#include "ui/UILayout.h"
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#include "ui/GUIExport.h"
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/**
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* @addtogroup ui
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* @{
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*/
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NS_CC_BEGIN
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namespace ui {
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/**
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*PageView page turn event type.
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*@deprecated Use `PageView::EventType` instead.
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*/
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typedef enum
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{
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PAGEVIEW_EVENT_TURNING,
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}PageViewEventType;
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/**
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*A callback which would be called when a PageView turning event is happening.
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*@deprecated Use `PageView::ccPageViewCallback` instead.
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*/
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typedef void (Ref::*SEL_PageViewEvent)(Ref*, PageViewEventType);
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#define pagevieweventselector(_SELECTOR)(SEL_PageViewEvent)(&_SELECTOR)
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/**
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*@brief Layout manager that allows the user to flip left and right through pages of data.
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*
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*/
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class CC_GUI_DLL PageView : public Layout
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{
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DECLARE_CLASS_GUI_INFO
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public:
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/**
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* Page turn event tpye.
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*/
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enum class EventType
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{
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TURNING
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};
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/**
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* Touch direction type.
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*/
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enum class TouchDirection
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{
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LEFT,
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RIGHT
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};
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/**
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*PageView page turn event callback.
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*/
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typedef std::function<void(Ref*,EventType)> ccPageViewCallback;
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/**
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* Default constructor
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* @js ctor
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* @lua new
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*/
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PageView();
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/**
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* Default destructor
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* @js NA
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* @lua NA
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*/
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virtual ~PageView();
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/**
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* Create an empty PageView.
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*@return A PageView instance.
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*/
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static PageView* create();
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/**
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* Add a widget as a page of PageView in a given index.
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*
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* @param widget Widget to be added to pageview.
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* @param pageIdx A given index.
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* @param forceCreate If `forceCreate` is true and `widget` isn't exists, pageview would create a default page and add it.
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*/
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void addWidgetToPage(Widget* widget, ssize_t pageIdx, bool forceCreate);
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/**
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* Insert a page into the end of PageView.
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*
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* @param page Page to be inserted.
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*/
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void addPage(Layout* page);
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/**
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* Insert a page into PageView at a given index.
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*
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* @param page Page to be inserted.
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* @param idx A given index.
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*/
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void insertPage(Layout* page, int idx);
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/**
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* Remove a page of PageView.
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*
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* @param page Page to be removed.
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*/
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void removePage(Layout* page);
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/**
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* Remove a page at a given index of PageView.
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*
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* @param index A given index.
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*/
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void removePageAtIndex(ssize_t index);
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/**
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* @brief Remove all pages of the PageView.
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*/
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void removeAllPages();
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/**
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* Scroll to a page with a given index.
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*
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* @param idx A given index in the PageView. Index start from 0 to pageCount -1.
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*/
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void scrollToPage(ssize_t idx);
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/**
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* Gets current displayed page index.
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* @return current page index.
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*/
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ssize_t getCurPageIndex() const;
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/**
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* Jump to a page with a given index without scrolling.
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* This is the different between scrollToPage.
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*
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* @param index A given index in PageView. Index start from 0 to pageCount -1.
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*/
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void setCurPageIndex(ssize_t index);
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/**
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* @brief Get all the pages in the PageView.
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* @return A vector of Layout pionters.
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*/
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Vector<Layout*>& getPages();
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/**
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* @brief Get a page at a given index
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*
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* @param index A given index.
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* @return A layout pointer in PageView container.
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*/
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Layout* getPage(ssize_t index);
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/**
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* Add a page turn callback to PageView, then when one page is turning, the callback will be called.
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*@deprecated Use `PageView::addEventListener` instead.
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*@param target A pointer of `Ref*` type.
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*@param selector A member function pointer with signature of `SEL_PageViewEvent`.
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*/
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CC_DEPRECATED_ATTRIBUTE void addEventListenerPageView(Ref *target, SEL_PageViewEvent selector);
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/**
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* @brief Add a page turn callback to PageView, then when one page is turning, the callback will be called.
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*
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* @param callback A page turning callback.
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*/
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void addEventListener(const ccPageViewCallback& callback);
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//override methods
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virtual bool onTouchBegan(Touch *touch, Event *unusedEvent) override;
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virtual void onTouchMoved(Touch *touch, Event *unusedEvent) override;
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virtual void onTouchEnded(Touch *touch, Event *unusedEvent) override;
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virtual void onTouchCancelled(Touch *touch, Event *unusedEvent) override;
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virtual void update(float dt) override;
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virtual void setLayoutType(Type type) override{};
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virtual Type getLayoutType() const override{return Type::ABSOLUTE;};
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virtual std::string getDescription() const override;
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/**
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* @lua NA
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*/
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virtual void onEnter() override;
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/**
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*@brief If you don't specify the value, the pageView will turn page when scrolling at the half width of a page.
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*@param threshold A threshold in float.
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*/
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void setCustomScrollThreshold(float threshold);
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/**
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*@brief Query the custom scroll threshold of the PageView.
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*@return Custom scroll threshold in float.
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*/
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float getCustomScrollThreshold()const;
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/**
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*@brief Set using user defined scroll page threshold or not.
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* If you set it to false, then the default scroll threshold is pageView.width / 2
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*@param flag True if using custom scroll threshold, false otherwise.
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*/
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void setUsingCustomScrollThreshold(bool flag);
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/**
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*@brief Query whether use user defined scroll page threshold or not.
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*@return True if using custom scroll threshold, false otherwise.
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*/
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bool isUsingCustomScrollThreshold()const;
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CC_CONSTRUCTOR_ACCESS:
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virtual bool init() override;
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protected:
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Layout* createPage();
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float getPositionXByIndex(ssize_t idx)const;
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ssize_t getPageCount()const;
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void updateBoundaryPages();
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virtual bool scrollPages(float touchOffset);
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void movePages(float offset);
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void pageTurningEvent();
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void updateAllPagesSize();
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void updateAllPagesPosition();
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void autoScroll(float dt);
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virtual void handleMoveLogic(Touch *touch) ;
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virtual void handleReleaseLogic(Touch *touch) ;
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virtual void interceptTouchEvent(TouchEventType event, Widget* sender,Touch *touch) override;
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virtual void onSizeChanged() override;
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virtual Widget* createCloneInstance() override;
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virtual void copySpecialProperties(Widget* model) override;
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virtual void copyClonedWidgetChildren(Widget* model) override;
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virtual void doLayout() override;
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protected:
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enum class AutoScrollDirection
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{
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LEFT,
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RIGHT
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};
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bool _isAutoScrolling;
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float _autoScrollDistance;
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float _autoScrollSpeed;
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AutoScrollDirection _autoScrollDirection;
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ssize_t _curPageIdx;
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Vector<Layout*> _pages;
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TouchDirection _touchMoveDirection;
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Widget* _leftBoundaryChild;
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Widget* _rightBoundaryChild;
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float _leftBoundary;
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float _rightBoundary;
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float _customScrollThreshold;
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bool _usingCustomScrollThreshold;
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float _childFocusCancelOffset;
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Ref* _pageViewEventListener;
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#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#elif _MSC_VER >= 1400 //vs 2005 or higher
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#pragma warning (push)
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#pragma warning (disable: 4996)
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#endif
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SEL_PageViewEvent _pageViewEventSelector;
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#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1)))
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#pragma GCC diagnostic warning "-Wdeprecated-declarations"
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#elif _MSC_VER >= 1400 //vs 2005 or higher
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#pragma warning (pop)
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#endif
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ccPageViewCallback _eventCallback;
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};
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}
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NS_CC_END
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// end of ui group
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/// @}
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#endif /* defined(__PageView__) */
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