mirror of https://github.com/axmolengine/axmol.git
370 lines
9.8 KiB
C++
370 lines
9.8 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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https://axmol.dev/
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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/UIListView.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_AX_BEGIN
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namespace ui
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{
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class PageViewIndicator;
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/**
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*@brief Layout manager that allows the user to flip left & right and up & down through pages of data.
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*
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*/
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class AX_GUI_DLL PageView : public ListView
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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 type.
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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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UP,
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DOWN
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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(Object*, 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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* Changes direction
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* Direction Direction::VERTICAL means vertical scroll, Direction::HORIZONTAL means horizontal scroll.
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* @param direction Set the page view's scroll direction.
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*/
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virtual void setDirection(Direction direction) override;
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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(Widget* 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(Widget* 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(Widget* 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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* Scroll to a page with a given index and with a given scroll time.
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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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* @param time Scroll time must be >= 0. Otherwise last set scroll time will be used.
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*/
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void scrollToPage(ssize_t idx, float time);
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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 itemIndex A given index in the PageView. Index start from 0 to pageCount -1.
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*/
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void scrollToItem(ssize_t itemIndex);
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/**
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* Scroll to a item with a given index and with a given scroll time.
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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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* @param time Scroll time must be >= 0. Otherwise last set scrolltime will be used.
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*/
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void scrollToItem(ssize_t idx, float time);
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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 getCurrentPageIndex();
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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 setCurrentPageIndex(ssize_t index);
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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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using ScrollView::addEventListener;
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// override methods
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virtual std::string getDescription() const override;
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/**
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* @brief Toggle page indicator enabled.
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*
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* @param enabled True if enable page indicator, false otherwise.
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*/
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void setIndicatorEnabled(bool enabled);
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/**
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* @brief Query page indicator state.
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*
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* @return True if page indicator is enabled, false otherwise.
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*/
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bool getIndicatorEnabled() const { return _indicator != nullptr; }
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/**
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* @brief Set the page indicator's position using anchor point.
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*
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* @param positionAsAnchorPoint The position as anchor point.
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*/
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void setIndicatorPositionAsAnchorPoint(const Vec2& positionAsAnchorPoint);
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/**
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* @brief Get the page indicator's position as anchor point.
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*
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* @return positionAsAnchorPoint
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*/
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const Vec2& getIndicatorPositionAsAnchorPoint() const;
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/**
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* @brief Set the page indicator's position in page view.
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*
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* @param position The position in page view
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*/
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void setIndicatorPosition(const Vec2& position);
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/**
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* @brief Get the page indicator's position.
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*
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* @return positionAsAnchorPoint
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*/
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const Vec2& getIndicatorPosition() const;
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/**
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* @brief Set space between page indicator's index nodes.
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*
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* @param spaceBetweenIndexNodes Space between nodes in pixel.
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*/
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void setIndicatorSpaceBetweenIndexNodes(float spaceBetweenIndexNodes);
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/**
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* @brief Get the space between page indicator's index nodes.
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*
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* @return spaceBetweenIndexNodes
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*/
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float getIndicatorSpaceBetweenIndexNodes() const;
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/**
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* @brief Set color of page indicator's selected index.
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*
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* @param color New color for selected (current) index.
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*/
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void setIndicatorSelectedIndexColor(const Color3B& color);
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/**
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* @brief Get the color of page indicator's selected index.
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*
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* @return color
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*/
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const Color3B& getIndicatorSelectedIndexColor() const;
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/**
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* @brief Set color of page indicator's index nodes.
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*
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* @param color New indicator node color.
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*/
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void setIndicatorIndexNodesColor(const Color3B& color);
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/**
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* @brief Get the color of page indicator's index nodes.
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*
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* @return color
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*/
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const Color3B& getIndicatorIndexNodesColor() const;
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/**
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* @brief Set opacity of page indicator's selected index.
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*
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* @param color New opacity for selected (current) index.
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*/
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void setIndicatorSelectedIndexOpacity(uint8_t opacity);
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/**
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* @brief Get the opacity of page indicator's selected index.
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*
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* @return opacity
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*/
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uint8_t getIndicatorSelectedIndexOpacity() const;
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/**
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* @brief Set opacity of page indicator's index nodes.
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*
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* @param opacity New indicator node opacity.
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*/
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void setIndicatorIndexNodesOpacity(uint8_t opacity);
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/**
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* @brief Get the opacity of page indicator's index nodes.
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*
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* @return opacity
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*/
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uint8_t getIndicatorIndexNodesOpacity() const;
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/**
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* @brief Set scale of page indicator's index nodes.
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*
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* @param indexNodesScale Scale of index nodes.
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*/
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void setIndicatorIndexNodesScale(float indexNodesScale);
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/**
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* sets texture for index nodes.
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*
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* @param fileName File name of texture.
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* @param resType @see TextureResType .
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*/
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void setIndicatorIndexNodesTexture(std::string_view texName,
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Widget::TextureResType texType = Widget::TextureResType::LOCAL);
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/**
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* @brief Get scale of page indicator's index nodes.
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*
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* @return indexNodesScale
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*/
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float getIndicatorIndexNodesScale() const;
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void setAutoScrollStopEpsilon(float epsilon);
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virtual bool init() override;
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// override methods
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virtual void doLayout() override;
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protected:
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void pageTurningEvent();
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virtual float getAutoScrollStopEpsilon() const override;
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virtual void remedyLayoutParameter(Widget* item) override;
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virtual void moveInnerContainer(const Vec2& deltaMove, bool canStartBounceBack) override;
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virtual void onItemListChanged() override;
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virtual void onSizeChanged() override;
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virtual void handleReleaseLogic(Touch* touch) override;
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virtual void handlePressLogic(Touch* touch) override;
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virtual Widget* createCloneInstance() override;
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virtual void copySpecialProperties(Widget* model) override;
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void refreshIndicatorPosition();
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protected:
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PageViewIndicator* _indicator;
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Vec2 _indicatorPositionAsAnchorPoint;
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ssize_t _currentPageIndex;
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float _childFocusCancelOffset;
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ccPageViewCallback _eventCallback;
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float _autoScrollStopEpsilon;
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ssize_t _previousPageIndex;
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bool _isTouchBegin;
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};
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} // namespace ui
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NS_AX_END
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// end of ui group
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/// @}
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#endif /* defined(__PageView__) */
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