mirror of https://github.com/axmolengine/axmol.git
431 lines
13 KiB
C++
431 lines
13 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 __UISCROLLVIEW_H__
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#define __UISCROLLVIEW_H__
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#include "gui/UILayout.h"
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#include "gui/UIScrollInterface.h"
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NS_CC_BEGIN
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namespace ui {
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enum SCROLLVIEW_DIR
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{
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SCROLLVIEW_DIR_NONE,
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SCROLLVIEW_DIR_VERTICAL,
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SCROLLVIEW_DIR_HORIZONTAL,
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SCROLLVIEW_DIR_BOTH
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};
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typedef enum
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{
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SCROLLVIEW_EVENT_SCROLL_TO_TOP,
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SCROLLVIEW_EVENT_SCROLL_TO_BOTTOM,
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SCROLLVIEW_EVENT_SCROLL_TO_LEFT,
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SCROLLVIEW_EVENT_SCROLL_TO_RIGHT,
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SCROLLVIEW_EVENT_SCROLLING,
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SCROLLVIEW_EVENT_BOUNCE_TOP,
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SCROLLVIEW_EVENT_BOUNCE_BOTTOM,
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SCROLLVIEW_EVENT_BOUNCE_LEFT,
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SCROLLVIEW_EVENT_BOUNCE_RIGHT
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}ScrollviewEventType;
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typedef void (Ref::*SEL_ScrollViewEvent)(Ref*, ScrollviewEventType);
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#define scrollvieweventselector(_SELECTOR) (SEL_ScrollViewEvent)(&_SELECTOR)
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class ScrollView : public Layout , public UIScrollInterface
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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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* Default constructor
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*/
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ScrollView();
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/**
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* Default destructor
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*/
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virtual ~ScrollView();
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/**
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* Allocates and initializes.
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*/
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static ScrollView* create();
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/**
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* Changes scroll direction of scrollview.
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*
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* @see SCROLLVIEW_DIR SCROLLVIEW_DIR_VERTICAL means vertical scroll, SCROLLVIEW_DIR_HORIZONTAL means horizontal scroll
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*
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* @param SCROLLVIEW_DIR
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*/
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virtual void setDirection(SCROLLVIEW_DIR dir);
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/**
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* Gets scroll direction of scrollview.
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*
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* @see SCROLLVIEW_DIR SCROLLVIEW_DIR_VERTICAL means vertical scroll, SCROLLVIEW_DIR_HORIZONTAL means horizontal scroll
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*
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* @return SCROLLVIEW_DIR
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*/
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SCROLLVIEW_DIR getDirection();
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/**
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* Gets inner container of scrollview.
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*
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* Inner container is the container of scrollview's children.
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*
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* @return inner container.
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*/
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Layout* getInnerContainer();
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/**
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* Scroll inner container to bottom boundary of scrollview.
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*/
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void scrollToBottom(float time, bool attenuated);
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/**
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* Scroll inner container to top boundary of scrollview.
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*/
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void scrollToTop(float time, bool attenuated);
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/**
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* Scroll inner container to left boundary of scrollview.
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*/
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void scrollToLeft(float time, bool attenuated);
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/**
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* Scroll inner container to right boundary of scrollview.
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*/
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void scrollToRight(float time, bool attenuated);
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/**
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* Scroll inner container to top and left boundary of scrollview.
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*/
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void scrollToTopLeft(float time, bool attenuated);
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/**
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* Scroll inner container to top and right boundary of scrollview.
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*/
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void scrollToTopRight(float time, bool attenuated);
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/**
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* Scroll inner container to bottom and left boundary of scrollview.
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*/
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void scrollToBottomLeft(float time, bool attenuated);
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/**
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* Scroll inner container to bottom and right boundary of scrollview.
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*/
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void scrollToBottomRight(float time, bool attenuated);
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/**
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* Scroll inner container to vertical percent position of scrollview.
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*/
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void scrollToPercentVertical(float percent, float time, bool attenuated);
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/**
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* Scroll inner container to horizontal percent position of scrollview.
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*/
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void scrollToPercentHorizontal(float percent, float time, bool attenuated);
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/**
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* Scroll inner container to both direction percent position of scrollview.
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*/
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void scrollToPercentBothDirection(const Point& percent, float time, bool attenuated);
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/**
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* Move inner container to bottom boundary of scrollview.
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*/
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void jumpToBottom();
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/**
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* Move inner container to top boundary of scrollview.
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*/
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void jumpToTop();
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/**
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* Move inner container to left boundary of scrollview.
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*/
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void jumpToLeft();
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/**
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* Move inner container to right boundary of scrollview.
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*/
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void jumpToRight();
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/**
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* Move inner container to top and left boundary of scrollview.
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*/
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void jumpToTopLeft();
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/**
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* Move inner container to top and right boundary of scrollview.
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*/
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void jumpToTopRight();
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/**
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* Move inner container to bottom and left boundary of scrollview.
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*/
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void jumpToBottomLeft();
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/**
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* Move inner container to bottom and right boundary of scrollview.
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*/
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void jumpToBottomRight();
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/**
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* Move inner container to vertical percent position of scrollview.
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*/
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void jumpToPercentVertical(float percent);
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/**
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* Move inner container to horizontal percent position of scrollview.
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*/
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void jumpToPercentHorizontal(float percent);
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/**
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* Move inner container to both direction percent position of scrollview.
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*/
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void jumpToPercentBothDirection(const Point& percent);
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/**
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* Changes inner container size of scrollview.
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*
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* Inner container size must be larger than or equal scrollview's size.
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*
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* @param inner container size.
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*/
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void setInnerContainerSize(const Size &size);
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/**
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* Gets inner container size of scrollview.
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*
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* Inner container size must be larger than or equal scrollview's size.
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*
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* @return inner container size.
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*/
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const Size& getInnerContainerSize() const;
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/**
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* Add call back function called scrollview event triggered
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*/
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void addEventListenerScrollView(Ref* target, SEL_ScrollViewEvent selector);
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virtual void addChild(Node * child) override;
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/**
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* Adds a child to the container with a z-order
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*
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* If the child is added to a 'running' node, then 'onEnter' and 'onEnterTransitionDidFinish' will be called immediately.
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*
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* @param child A child node
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* @param zOrder Z order for drawing priority. Please refer to setLocalZOrder(int)
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*/
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virtual void addChild(Node * child, int zOrder) override;
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/**
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* Adds a child to the container with z order and tag
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*
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* If the child is added to a 'running' node, then 'onEnter' and 'onEnterTransitionDidFinish' will be called immediately.
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*
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* @param child A child node
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* @param zOrder Z order for drawing priority. Please refer to setLocalZOrder(int)
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* @param tag A interger to identify the node easily. Please refer to setTag(int)
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*/
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virtual void addChild(Node* child, int zOrder, int tag) override;
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//override "removeAllChildrenAndCleanUp" method of widget.
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virtual void removeAllChildren() override;
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virtual void removeAllChildrenWithCleanup(bool cleanup) override;
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//override "removeChild" method of widget.
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virtual void removeChild(Node* child, bool cleaup = true) override;
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//override "getChildren" method of widget.
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virtual Vector<Node*>& getChildren() override;
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virtual const Vector<Node*>& getChildren() const override;
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virtual ssize_t getChildrenCount() const override;
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virtual Node * getChildByTag(int tag) override;
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virtual Widget* getChildByName(const char* name) override;
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virtual void addNode(Node* node) override;
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virtual void addNode(Node * node, int zOrder) override;
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virtual void addNode(Node* node, int zOrder, int tag) override;
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virtual Node * getNodeByTag(int tag) override;
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virtual Vector<Node*>& getNodes() override;
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virtual void removeNode(Node* node) override;
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virtual void removeNodeByTag(int tag) override;
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virtual void removeAllNodes() override;
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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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void setBounceEnabled(bool enabled);
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bool isBounceEnabled() const;
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void setInertiaScrollEnabled(bool enabled);
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bool isInertiaScrollEnabled() const;
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/**
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* Sets LayoutType.
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*
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* @see LayoutType
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*
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* @param LayoutType
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*/
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virtual void setLayoutType(LayoutType type) override;
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/**
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* Gets LayoutType.
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*
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* @see LayoutType
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*
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* @return LayoutType
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*/
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virtual LayoutType getLayoutType() const override;
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/**
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* Returns the "class name" of widget.
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*/
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virtual std::string getDescription() const override;
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virtual void onEnter() override;
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protected:
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virtual bool init() override;
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virtual void initRenderer() override;
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void moveChildren(float offsetX, float offsetY);
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void autoScrollChildren(float dt);
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void bounceChildren(float dt);
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void checkBounceBoundary();
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bool checkNeedBounce();
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void startAutoScrollChildrenWithOriginalSpeed(const Point& dir, float v, bool attenuated, float acceleration);
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void startAutoScrollChildrenWithDestination(const Point& des, float time, bool attenuated);
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void jumpToDestination(const Point& des);
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void stopAutoScrollChildren();
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void startBounceChildren(float v);
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void stopBounceChildren();
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bool checkCustomScrollDestination(float* touchOffsetX, float* touchOffsetY);
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virtual bool scrollChildren(float touchOffsetX, float touchOffsetY);
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bool bounceScrollChildren(float touchOffsetX, float touchOffsetY);
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void startRecordSlidAction();
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virtual void endRecordSlidAction();
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virtual void handlePressLogic(const Point &touchPoint) override;
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virtual void handleMoveLogic(const Point &touchPoint) override;
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virtual void handleReleaseLogic(const Point &touchPoint) override;
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virtual void interceptTouchEvent(int handleState,Widget* sender,const Point &touchPoint) override;
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virtual void checkChildInfo(int handleState,Widget* sender,const Point &touchPoint) override;
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void recordSlidTime(float dt);
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void scrollToTopEvent();
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void scrollToBottomEvent();
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void scrollToLeftEvent();
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void scrollToRightEvent();
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void scrollingEvent();
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void bounceTopEvent();
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void bounceBottomEvent();
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void bounceLeftEvent();
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void bounceRightEvent();
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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 setClippingEnabled(bool able) override{Layout::setClippingEnabled(able);};
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virtual void doLayout() override;
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protected:
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Layout* _innerContainer;
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SCROLLVIEW_DIR _direction;
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Point _touchBeganPoint;
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Point _touchMovedPoint;
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Point _touchEndedPoint;
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Point _touchMovingPoint;
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Point _autoScrollDir;
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float _topBoundary;
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float _bottomBoundary;
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float _leftBoundary;
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float _rightBoundary;
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float _bounceTopBoundary;
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float _bounceBottomBoundary;
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float _bounceLeftBoundary;
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float _bounceRightBoundary;
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bool _autoScroll;
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float _autoScrollAddUpTime;
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float _autoScrollOriginalSpeed;
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float _autoScrollAcceleration;
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bool _isAutoScrollSpeedAttenuated;
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bool _needCheckAutoScrollDestination;
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Point _autoScrollDestination;
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bool _bePressed;
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float _slidTime;
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Point _moveChildPoint;
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float _childFocusCancelOffset;
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bool _leftBounceNeeded;
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bool _topBounceNeeded;
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bool _rightBounceNeeded;
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bool _bottomBounceNeeded;
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bool _bounceEnabled;
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bool _bouncing;
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Point _bounceDir;
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float _bounceOriginalSpeed;
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bool _inertiaScrollEnabled;
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Ref* _scrollViewEventListener;
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SEL_ScrollViewEvent _scrollViewEventSelector;
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};
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}
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NS_CC_END
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#endif /* defined(__CocoGUI__ScrollView__) */
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