mirror of https://github.com/axmolengine/axmol.git
728 lines
21 KiB
C++
728 lines
21 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2013-2016 Chukong Technologies Inc.
|
|
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
|
|
Copyright (c) 2019-present Axmol Engine contributors (see AUTHORS.md).
|
|
|
|
https://axmol.dev/
|
|
|
|
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 __UISCROLLVIEW_H__
|
|
#define __UISCROLLVIEW_H__
|
|
|
|
#include "ui/UILayout.h"
|
|
#include "ui/GUIExport.h"
|
|
#include <list>
|
|
|
|
namespace ax
|
|
{
|
|
/**
|
|
* @addtogroup ui
|
|
* @{
|
|
*/
|
|
|
|
class EventFocusListener;
|
|
|
|
namespace ui
|
|
{
|
|
|
|
class ScrollViewBar;
|
|
|
|
/**
|
|
* Layout container for a view hierarchy that can be scrolled by the user, allowing it to be larger than the physical
|
|
* display. It holds a inner `Layout` container for storing child items horizontally or vertically.
|
|
*/
|
|
class AX_GUI_DLL ScrollView : public Layout
|
|
{
|
|
|
|
DECLARE_CLASS_GUI_INFO
|
|
|
|
public:
|
|
/**
|
|
* ScrollView scroll direction type.
|
|
*/
|
|
enum class Direction
|
|
{
|
|
NONE,
|
|
VERTICAL,
|
|
HORIZONTAL,
|
|
BOTH
|
|
};
|
|
|
|
/**
|
|
* Scrollview scroll event type.
|
|
*/
|
|
enum class EventType
|
|
{
|
|
SCROLL_TO_TOP,
|
|
SCROLL_TO_BOTTOM,
|
|
SCROLL_TO_LEFT,
|
|
SCROLL_TO_RIGHT,
|
|
SCROLLING,
|
|
BOUNCE_TOP,
|
|
BOUNCE_BOTTOM,
|
|
BOUNCE_LEFT,
|
|
BOUNCE_RIGHT,
|
|
CONTAINER_MOVED,
|
|
SCROLLING_BEGAN,
|
|
SCROLLING_ENDED,
|
|
AUTOSCROLL_ENDED
|
|
};
|
|
|
|
/**
|
|
* A callback which would be called when a ScrollView is scrolling.
|
|
*/
|
|
typedef std::function<void(Object*, EventType)> ccScrollViewCallback;
|
|
|
|
/**
|
|
* Default constructor
|
|
* @js ctor
|
|
* @lua new
|
|
*/
|
|
ScrollView();
|
|
|
|
/**
|
|
* Default destructor
|
|
* @js NA
|
|
* @lua NA
|
|
*/
|
|
~ScrollView() override;
|
|
|
|
/**
|
|
* Create an empty ScrollView.
|
|
* @return A ScrollView instance.
|
|
*/
|
|
static ScrollView* create();
|
|
|
|
/**
|
|
* Changes scroll direction of scrollview.
|
|
*
|
|
* @see `Direction`
|
|
* @param dir Scroll direction enum.
|
|
*/
|
|
virtual void setDirection(Direction dir);
|
|
|
|
/**
|
|
* Query scroll direction of scrollview.
|
|
*
|
|
* @see `Direction` Direction::VERTICAL means vertical scroll, Direction::HORIZONTAL means horizontal scroll
|
|
*
|
|
* @return Scrollview scroll direction.
|
|
*/
|
|
Direction getDirection() const;
|
|
|
|
/**
|
|
* Get inner container of scrollview.
|
|
*
|
|
* Inner container is a child of scrollview.
|
|
*
|
|
* @return Inner container pointer.
|
|
*/
|
|
Layout* getInnerContainer() const;
|
|
|
|
/**
|
|
* Immediately stops inner container scroll (auto scrolling is not affected).
|
|
*/
|
|
virtual void stopScroll();
|
|
|
|
/**
|
|
* Immediately stops inner container scroll initiated by any of the "scrollTo*" member functions
|
|
*/
|
|
virtual void stopAutoScroll();
|
|
|
|
/**
|
|
* Immediately stops inner container scroll if any.
|
|
*/
|
|
virtual void stopOverallScroll();
|
|
|
|
/**
|
|
* Scroll inner container to bottom boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToBottom(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to top boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToTop(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to left boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToLeft(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to right boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToRight(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to top and left boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToTopLeft(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to top and right boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToTopRight(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to bottom and left boundary of scrollview.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToBottomLeft(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to bottom and right boundary of scrollview.
|
|
* @param timeInSec Time in seconds
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToBottomRight(float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to vertical percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToPercentVertical(float percent, float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to horizontal percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToPercentHorizontal(float percent, float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* Scroll inner container to both direction percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
* @param timeInSec Time in seconds.
|
|
* @param attenuated Whether scroll speed attenuate or not.
|
|
*/
|
|
virtual void scrollToPercentBothDirection(const Vec2& percent, float timeInSec, bool attenuated);
|
|
|
|
/**
|
|
* @return How far the scroll view is scrolled in the vertical axis
|
|
*/
|
|
float getScrolledPercentVertical() const;
|
|
/**
|
|
* @return How far the scroll view is scrolled in the horizontal axis
|
|
*/
|
|
float getScrolledPercentHorizontal() const;
|
|
/**
|
|
* @return How far the scroll view is scrolled in both axes, combined as a Vec2
|
|
*/
|
|
Vec2 getScrolledPercentBothDirection() const;
|
|
|
|
/**
|
|
* Move inner container to bottom boundary of scrollview.
|
|
*/
|
|
virtual void jumpToBottom();
|
|
|
|
/**
|
|
* Move inner container to top boundary of scrollview.
|
|
*/
|
|
virtual void jumpToTop();
|
|
|
|
/**
|
|
* Move inner container to left boundary of scrollview.
|
|
*/
|
|
virtual void jumpToLeft();
|
|
|
|
/**
|
|
* Move inner container to right boundary of scrollview.
|
|
*/
|
|
virtual void jumpToRight();
|
|
|
|
/**
|
|
* Move inner container to top and left boundary of scrollview.
|
|
*/
|
|
virtual void jumpToTopLeft();
|
|
|
|
/**
|
|
* Move inner container to top and right boundary of scrollview.
|
|
*/
|
|
virtual void jumpToTopRight();
|
|
|
|
/**
|
|
* Move inner container to bottom and left boundary of scrollview.
|
|
*/
|
|
virtual void jumpToBottomLeft();
|
|
|
|
/**
|
|
* Move inner container to bottom and right boundary of scrollview.
|
|
*/
|
|
virtual void jumpToBottomRight();
|
|
|
|
/**
|
|
* Move inner container to vertical percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
*/
|
|
virtual void jumpToPercentVertical(float percent);
|
|
|
|
/**
|
|
* Move inner container to horizontal percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
*/
|
|
virtual void jumpToPercentHorizontal(float percent);
|
|
|
|
/**
|
|
* Move inner container to both direction percent position of scrollview.
|
|
* @param percent A value between 0 and 100.
|
|
*/
|
|
virtual void jumpToPercentBothDirection(const Vec2& percent);
|
|
|
|
/**
|
|
* Change inner container size of scrollview.
|
|
*
|
|
* Inner container size must be larger than or equal scrollview's size.
|
|
*
|
|
* @param size Inner container size.
|
|
*/
|
|
void setInnerContainerSize(const Vec2& size);
|
|
|
|
/**
|
|
* Get inner container size of scrollview.
|
|
*
|
|
* Inner container size must be larger than or equal scrollview's size.
|
|
*
|
|
* @return The inner container size.
|
|
*/
|
|
const Vec2& getInnerContainerSize() const;
|
|
|
|
/**
|
|
* Set inner container position
|
|
*
|
|
* @param pos Inner container position.
|
|
*/
|
|
void setInnerContainerPosition(const Vec2& pos);
|
|
|
|
/**
|
|
* Get inner container position
|
|
*
|
|
* @return The inner container position.
|
|
*/
|
|
const Vec2& getInnerContainerPosition() const;
|
|
|
|
/**
|
|
* Add callback function which will be called when scrollview event triggered.
|
|
* @param callback A callback function with type of `ccScrollViewCallback`.
|
|
*/
|
|
virtual void addEventListener(const ccScrollViewCallback& callback);
|
|
|
|
// override functions
|
|
void addChild(Node* child) override;
|
|
void addChild(Node* child, int localZOrder) override;
|
|
void addChild(Node* child, int localZOrder, int tag) override;
|
|
void addChild(Node* child, int localZOrder, std::string_view name) override;
|
|
void removeAllChildren() override;
|
|
void removeAllChildrenWithCleanup(bool cleanup) override;
|
|
void removeChild(Node* child, bool cleanup = true) override;
|
|
Vector<Node*>& getChildren() override;
|
|
const Vector<Node*>& getChildren() const override;
|
|
ssize_t getChildrenCount() const override;
|
|
Node* getChildByTag(int tag) const override;
|
|
Node* getChildByName(std::string_view name) const override;
|
|
// touch event callback
|
|
bool onTouchBegan(Touch* touch, Event* unusedEvent) override;
|
|
void onTouchMoved(Touch* touch, Event* unusedEvent) override;
|
|
void onTouchEnded(Touch* touch, Event* unusedEvent) override;
|
|
void onTouchCancelled(Touch* touch, Event* unusedEvent) override;
|
|
void update(float dt) override;
|
|
|
|
/**
|
|
* @brief Toggle bounce enabled when scroll to the edge.
|
|
*
|
|
* @param enabled True if enable bounce, false otherwise.
|
|
*/
|
|
void setBounceEnabled(bool enabled);
|
|
|
|
/**
|
|
* @brief Query bounce state.
|
|
*
|
|
* @return True if bounce is enabled, false otherwise.
|
|
*/
|
|
bool isBounceEnabled() const;
|
|
|
|
/**
|
|
* @brief Toggle whether enable scroll inertia while scrolling.
|
|
*
|
|
* @param enabled True if enable inertia, false otherwise.
|
|
*/
|
|
void setInertiaScrollEnabled(bool enabled);
|
|
|
|
/**
|
|
* @brief Query inertia scroll state.
|
|
*
|
|
* @return True if inertia is enabled, false otherwise.
|
|
*/
|
|
bool isInertiaScrollEnabled() const;
|
|
|
|
/**
|
|
* @brief Toggle scroll bar enabled.
|
|
*
|
|
* @param enabled True if enable scroll bar, false otherwise.
|
|
*/
|
|
void setScrollBarEnabled(bool enabled);
|
|
|
|
/**
|
|
* @brief Query scroll bar state.
|
|
*
|
|
* @return True if scroll bar is enabled, false otherwise.
|
|
*/
|
|
bool isScrollBarEnabled() const;
|
|
|
|
/**
|
|
* @brief Set the scroll bar positions from the left-bottom corner (horizontal) and right-top corner (vertical).
|
|
*
|
|
* @param positionFromCorner The position from the left-bottom corner (horizontal) and right-top corner (vertical).
|
|
*/
|
|
void setScrollBarPositionFromCorner(const Vec2& positionFromCorner);
|
|
|
|
/**
|
|
* @brief Set the vertical scroll bar position from right-top corner.
|
|
*
|
|
* @param positionFromCorner The position from right-top corner
|
|
*/
|
|
void setScrollBarPositionFromCornerForVertical(const Vec2& positionFromCorner);
|
|
|
|
/**
|
|
* @brief Get the vertical scroll bar's position from right-top corner.
|
|
*
|
|
* @return positionFromCorner
|
|
*/
|
|
Vec2 getScrollBarPositionFromCornerForVertical() const;
|
|
|
|
/**
|
|
* @brief Set the horizontal scroll bar position from left-bottom corner.
|
|
*
|
|
* @param positionFromCorner The position from left-bottom corner
|
|
*/
|
|
void setScrollBarPositionFromCornerForHorizontal(const Vec2& positionFromCorner);
|
|
|
|
/**
|
|
* @brief Get the horizontal scroll bar's position from right-top corner.
|
|
*
|
|
* @return positionFromCorner
|
|
*/
|
|
Vec2 getScrollBarPositionFromCornerForHorizontal() const;
|
|
|
|
/**
|
|
* @brief Set the scroll bar's width
|
|
*
|
|
* @param width The scroll bar's width
|
|
*/
|
|
void setScrollBarWidth(float width);
|
|
|
|
/**
|
|
* @brief Get the scroll bar's width
|
|
*
|
|
* @return the scroll bar's width
|
|
*/
|
|
float getScrollBarWidth() const;
|
|
|
|
/**
|
|
* @brief Set the scroll bar's color
|
|
*
|
|
* @param color the scroll bar's color
|
|
*/
|
|
void setScrollBarColor(const Color3B& color);
|
|
|
|
/**
|
|
* @brief Get the scroll bar's color
|
|
*
|
|
* @return the scroll bar's color
|
|
*/
|
|
const Color3B& getScrollBarColor() const;
|
|
|
|
/**
|
|
* @brief Set the scroll bar's opacity
|
|
*
|
|
* @param opacity the scroll bar's opacity
|
|
*/
|
|
void setScrollBarOpacity(uint8_t opacity);
|
|
|
|
/**
|
|
* @brief Get the scroll bar's opacity
|
|
*
|
|
* @return the scroll bar's opacity
|
|
*/
|
|
uint8_t getScrollBarOpacity() const;
|
|
|
|
/**
|
|
* @brief Set scroll bar auto hide state
|
|
*
|
|
* @param autoHideEnabled scroll bar auto hide state
|
|
*/
|
|
void setScrollBarAutoHideEnabled(bool autoHideEnabled);
|
|
|
|
/**
|
|
* @brief Query scroll bar auto hide state
|
|
*
|
|
* @return True if scroll bar auto hide is enabled, false otherwise.
|
|
*/
|
|
bool isScrollBarAutoHideEnabled() const;
|
|
|
|
/**
|
|
* @brief Set scroll bar auto hide time
|
|
*
|
|
* @param autoHideTime bar auto hide time
|
|
*/
|
|
void setScrollBarAutoHideTime(float autoHideTime);
|
|
|
|
/**
|
|
* @brief Get the scroll bar's auto hide time
|
|
*
|
|
* @return the scroll bar's auto hide time
|
|
*/
|
|
float getScrollBarAutoHideTime() const;
|
|
|
|
/**
|
|
* @brief Set the touch total time threshold
|
|
*
|
|
* @param touchTotalTimeThreshold the touch total time threshold
|
|
*/
|
|
void setTouchTotalTimeThreshold(float touchTotalTimeThreshold);
|
|
|
|
/**
|
|
* @brief Get the touch total time threshold
|
|
*
|
|
* @return the touch total time threshold
|
|
*/
|
|
float getTouchTotalTimeThreshold() const;
|
|
|
|
/**
|
|
* Set layout type for scrollview.
|
|
*
|
|
* @see `Layout::Type`
|
|
* @param type Layout type enum.
|
|
*/
|
|
void setLayoutType(Type type) override;
|
|
|
|
/**
|
|
* Get the layout type for scrollview.
|
|
*
|
|
* @see `Layout::Type`
|
|
* @return LayoutType
|
|
*/
|
|
Type getLayoutType() const override;
|
|
|
|
/**
|
|
* Return the "class name" of widget.
|
|
*/
|
|
std::string getDescription() const override;
|
|
|
|
/**
|
|
* @lua NA
|
|
*/
|
|
void onEnter() override;
|
|
|
|
/**
|
|
* @lua NA
|
|
*/
|
|
void onExit() override;
|
|
|
|
/**
|
|
* When a widget is in a layout, you could call this method to get the next focused widget within a specified
|
|
*direction. If the widget is not in a layout, it will return itself
|
|
*@param direction the direction to look for the next focused widget in a layout
|
|
*@param current the current focused widget
|
|
*@return the next focused widget in a layout
|
|
*/
|
|
Widget* findNextFocusedWidget(FocusDirection direction, Widget* current) override;
|
|
|
|
/**
|
|
* Set the time in seconds to scroll between items.
|
|
* Subsequent calls of function 'scrollToItem', will take 'time' seconds for scrolling.
|
|
* @param time The seconds needed to scroll between two items. 'time' must be >= 0
|
|
* @see scrollToItem(ssize_t, const Vec2&, const Vec2&)
|
|
*/
|
|
void setScrollDuration(float time);
|
|
|
|
/**
|
|
* Get the time in seconds to scroll between items.
|
|
* @return The time in seconds to scroll between items
|
|
* @see setScrollDuration(float)
|
|
*/
|
|
float getScrollDuration() const;
|
|
|
|
/**
|
|
* @return Whether the user is currently dragging the ScrollView to scroll it
|
|
*/
|
|
bool isScrolling() const { return _scrolling; }
|
|
/**
|
|
* @return Whether the ScrollView is currently scrolling because of a bounceback or inertia slowdown.
|
|
*/
|
|
bool isAutoScrolling() const { return _autoScrolling; }
|
|
|
|
bool init() override;
|
|
|
|
/**
|
|
* @brief Scroll to specific item
|
|
* @param item Item to scroll to
|
|
* @param positionRatioInView Specifies the position with ratio in list view's content size.
|
|
* @param itemAnchorPoint Specifies an anchor point of each item for position to calculate distance.
|
|
*/
|
|
void scrollToItem(Node* item, const Vec2& positionRatioInView, const Vec2& itemAnchorPoint);
|
|
|
|
/**
|
|
* @brief Scroll to specific item
|
|
* @param item Item to scroll to
|
|
* @param positionRatioInView Specifies the position with ratio in list view's content size.
|
|
* @param itemAnchorPoint Specifies an anchor point of each item for position to calculate distance.
|
|
* @param timeInSec Scroll time
|
|
*/
|
|
void scrollToItem(Node* item, const Vec2& positionRatioInView, const Vec2& itemAnchorPoint, float timeInSec);
|
|
|
|
static Vec2 calculateItemPositionWithAnchor(const Node* node, const Vec2& itemAnchorPoint);
|
|
|
|
protected:
|
|
enum class MoveDirection
|
|
{
|
|
TOP,
|
|
BOTTOM,
|
|
LEFT,
|
|
RIGHT,
|
|
};
|
|
|
|
void initRenderer() override;
|
|
|
|
void onSizeChanged() override;
|
|
void doLayout() override;
|
|
|
|
Widget* createCloneInstance() override;
|
|
void copySpecialProperties(Widget* model) override;
|
|
void copyClonedWidgetChildren(Widget* model) override;
|
|
|
|
virtual void initScrollBar();
|
|
virtual void removeScrollBar();
|
|
|
|
Vec2 flattenVectorByDirection(const Vec2& vector);
|
|
|
|
virtual Vec2 getHowMuchOutOfBoundary(const Vec2& addition = Vec2::ZERO);
|
|
bool isOutOfBoundary(MoveDirection dir);
|
|
bool isOutOfBoundary();
|
|
|
|
virtual void moveInnerContainer(const Vec2& deltaMove, bool canStartBounceBack);
|
|
|
|
bool calculateCurrAndPrevTouchPoints(Touch* touch, Vec3* currPt, Vec3* prevPt);
|
|
void gatherTouchMove(const Vec2& delta);
|
|
Vec2 calculateTouchMoveVelocity() const;
|
|
|
|
virtual void startAttenuatingAutoScroll(const Vec2& deltaMove, const Vec2& initialVelocity);
|
|
void startAutoScroll(const Vec2& deltaMove, float timeInSec, bool attenuated);
|
|
void startAutoScrollToDestination(const Vec2& des, float timeInSec, bool attenuated);
|
|
bool isNecessaryAutoScrollBrake();
|
|
void processAutoScrolling(float deltaTime);
|
|
|
|
void startInertiaScroll(const Vec2& touchMoveVelocity);
|
|
|
|
bool startBounceBackIfNeeded();
|
|
|
|
void jumpToDestination(const Vec2& des);
|
|
|
|
virtual void scrollChildren(const Vec2& deltaMove);
|
|
|
|
virtual void handlePressLogic(Touch* touch);
|
|
virtual void handleMoveLogic(Touch* touch);
|
|
virtual void handleReleaseLogic(Touch* touch);
|
|
|
|
void interceptTouchEvent(Widget::TouchEventType event, Widget* sender, Touch* touch) override;
|
|
|
|
void processScrollEvent(MoveDirection dir, bool bounce);
|
|
void processScrollingEvent();
|
|
void processScrollingEndedEvent();
|
|
void dispatchEvent(EventType eventType);
|
|
|
|
void updateScrollBar(const Vec2& outOfBoundary);
|
|
|
|
Vec2 calculateItemDestination(const Vec2& positionRatioInView, const Node* item, const Vec2& itemAnchorPoint);
|
|
|
|
protected:
|
|
virtual float getAutoScrollStopEpsilon() const;
|
|
bool fltEqualZero(const Vec2& point) const;
|
|
Layout* _innerContainer;
|
|
|
|
Direction _direction;
|
|
|
|
float _topBoundary;
|
|
float _bottomBoundary;
|
|
float _leftBoundary;
|
|
float _rightBoundary;
|
|
|
|
bool _bePressed;
|
|
|
|
float _childFocusCancelOffsetInInch;
|
|
|
|
// Touch move speed
|
|
std::list<Vec2> _touchMoveDisplacements;
|
|
std::list<float> _touchMoveTimeDeltas;
|
|
long long _touchMovePreviousTimestamp;
|
|
float _touchTotalTimeThreshold;
|
|
|
|
bool _scrolling;
|
|
|
|
bool _autoScrolling;
|
|
bool _autoScrollAttenuate;
|
|
Vec2 _autoScrollStartPosition;
|
|
Vec2 _autoScrollTargetDelta;
|
|
float _autoScrollTotalTime;
|
|
float _autoScrollAccumulatedTime;
|
|
bool _autoScrollCurrentlyOutOfBoundary;
|
|
bool _autoScrollBraking;
|
|
Vec2 _autoScrollBrakingStartPosition;
|
|
|
|
bool _inertiaScrollEnabled;
|
|
|
|
bool _bounceEnabled;
|
|
|
|
Vec2 _outOfBoundaryAmount;
|
|
bool _outOfBoundaryAmountDirty;
|
|
|
|
bool _scrollBarEnabled;
|
|
ScrollViewBar* _verticalScrollBar;
|
|
ScrollViewBar* _horizontalScrollBar;
|
|
|
|
Object* _scrollViewEventListener;
|
|
ccScrollViewCallback _eventCallback;
|
|
|
|
float _scrollTime;
|
|
};
|
|
|
|
} // namespace ui
|
|
// end of ui group
|
|
/// @}
|
|
}
|
|
#endif /* defined(__CocoGUI__ScrollView__) */
|