mirror of https://github.com/axmolengine/axmol.git
1465 lines
42 KiB
C++
1465 lines
42 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2013-2014 Chukong Technologies Inc.
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "ui/UIScrollView.h"
|
|
#include "base/CCDirector.h"
|
|
#include "base/ccUtils.h"
|
|
#include "platform/CCDevice.h"
|
|
#include "ui/UIScrollViewBar.h"
|
|
#include "2d/CCTweenFunction.h"
|
|
#include "2d/CCCamera.h"
|
|
NS_CC_BEGIN
|
|
|
|
static const int NUMBER_OF_GATHERED_TOUCHES_FOR_MOVE_SPEED = 5;
|
|
static const float OUT_OF_BOUNDARY_AUTO_SCROLL_FACTOR = 0.05f;
|
|
static const float BOUNCE_BACK_DURATION = 1.0f;
|
|
|
|
#define MOVE_INCH 7.0f/160.0f
|
|
|
|
static float convertDistanceFromPointToInch(const Vec2& dis)
|
|
{
|
|
auto glview = Director::getInstance()->getOpenGLView();
|
|
int dpi = Device::getDPI();
|
|
float distance = Vec2(dis.x * glview->getScaleX() / dpi, dis.y * glview->getScaleY() / dpi).getLength();
|
|
return distance;
|
|
}
|
|
|
|
namespace ui {
|
|
|
|
IMPLEMENT_CLASS_GUI_INFO(ScrollView)
|
|
|
|
ScrollView::ScrollView():
|
|
_innerContainer(nullptr),
|
|
_direction(Direction::VERTICAL),
|
|
_topBoundary(0.0f),
|
|
_bottomBoundary(0.0f),
|
|
_leftBoundary(0.0f),
|
|
_rightBoundary(0.0f),
|
|
_bePressed(false),
|
|
_childFocusCancelOffsetInInch(MOVE_INCH),
|
|
_touchMovePreviousTimestamp(0),
|
|
_autoScrolling(false),
|
|
_autoScrollAttenuate(true),
|
|
_autoScrollTotalTime(0),
|
|
_autoScrollAccumulatedTime(0),
|
|
_autoScrollOutOfBoundaryAttenuating(false),
|
|
_inertiaScrollEnabled(true),
|
|
_bounceEnabled(false),
|
|
_bouncingBack(false),
|
|
_scrollBarEnabled(true),
|
|
_verticalScrollBar(nullptr),
|
|
_horizontalScrollBar(nullptr),
|
|
_scrollViewEventListener(nullptr),
|
|
_scrollViewEventSelector(nullptr),
|
|
_eventCallback(nullptr)
|
|
{
|
|
setTouchEnabled(true);
|
|
_propagateTouchEvents = false;
|
|
}
|
|
|
|
ScrollView::~ScrollView()
|
|
{
|
|
_verticalScrollBar = nullptr;
|
|
_horizontalScrollBar = nullptr;
|
|
_scrollViewEventListener = nullptr;
|
|
_scrollViewEventSelector = nullptr;
|
|
}
|
|
|
|
ScrollView* ScrollView::create()
|
|
{
|
|
ScrollView* widget = new (std::nothrow) ScrollView();
|
|
if (widget && widget->init())
|
|
{
|
|
widget->autorelease();
|
|
return widget;
|
|
}
|
|
CC_SAFE_DELETE(widget);
|
|
return nullptr;
|
|
}
|
|
|
|
void ScrollView::onEnter()
|
|
{
|
|
#if CC_ENABLE_SCRIPT_BINDING
|
|
if (_scriptType == kScriptTypeJavascript)
|
|
{
|
|
if (ScriptEngineManager::sendNodeEventToJSExtended(this, kNodeOnEnter))
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
Layout::onEnter();
|
|
scheduleUpdate();
|
|
}
|
|
|
|
bool ScrollView::init()
|
|
{
|
|
if (Layout::init())
|
|
{
|
|
setClippingEnabled(true);
|
|
_innerContainer->setTouchEnabled(false);
|
|
if(_scrollBarEnabled)
|
|
{
|
|
initScrollBar();
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ScrollView::initRenderer()
|
|
{
|
|
Layout::initRenderer();
|
|
_innerContainer = Layout::create();
|
|
_innerContainer->setColor(Color3B(255,255,255));
|
|
_innerContainer->setOpacity(255);
|
|
_innerContainer->setCascadeColorEnabled(true);
|
|
_innerContainer->setCascadeOpacityEnabled(true);
|
|
addProtectedChild(_innerContainer, 1, 1);
|
|
}
|
|
|
|
void ScrollView::onSizeChanged()
|
|
{
|
|
Layout::onSizeChanged();
|
|
_topBoundary = _contentSize.height;
|
|
_rightBoundary = _contentSize.width;
|
|
Size innerSize = _innerContainer->getContentSize();
|
|
float orginInnerSizeWidth = innerSize.width;
|
|
float orginInnerSizeHeight = innerSize.height;
|
|
float innerSizeWidth = MAX(orginInnerSizeWidth, _contentSize.width);
|
|
float innerSizeHeight = MAX(orginInnerSizeHeight, _contentSize.height);
|
|
_innerContainer->setContentSize(Size(innerSizeWidth, innerSizeHeight));
|
|
setInnerContainerPosition(Vec2(0, _contentSize.height - _innerContainer->getContentSize().height));
|
|
}
|
|
|
|
void ScrollView::setInnerContainerSize(const Size &size)
|
|
{
|
|
float innerSizeWidth = _contentSize.width;
|
|
float innerSizeHeight = _contentSize.height;
|
|
Size originalInnerSize = _innerContainer->getContentSize();
|
|
if (size.width < _contentSize.width)
|
|
{
|
|
CCLOG("Inner width <= scrollview width, it will be force sized!");
|
|
}
|
|
else
|
|
{
|
|
innerSizeWidth = size.width;
|
|
}
|
|
if (size.height < _contentSize.height)
|
|
{
|
|
CCLOG("Inner height <= scrollview height, it will be force sized!");
|
|
}
|
|
else
|
|
{
|
|
innerSizeHeight = size.height;
|
|
}
|
|
_innerContainer->setContentSize(Size(innerSizeWidth, innerSizeHeight));
|
|
|
|
// move children appropriately
|
|
{
|
|
Size newInnerSize = _innerContainer->getContentSize();
|
|
float offsetY = originalInnerSize.height - newInnerSize.height;
|
|
float offsetX = 0;
|
|
if (_innerContainer->getRightBoundary() <= _contentSize.width)
|
|
{
|
|
offsetX = originalInnerSize.width - newInnerSize.width;
|
|
}
|
|
if(offsetX != 0 || offsetY != 0)
|
|
{
|
|
Vec2 position = _innerContainer->getPosition() + Vec2(offsetX, offsetY);
|
|
setInnerContainerPosition(position);
|
|
}
|
|
}
|
|
|
|
|
|
// Calculate and set the position of the inner container.
|
|
Vec2 pos = _innerContainer->getPosition();
|
|
if (_innerContainer->getLeftBoundary() > 0.0f)
|
|
{
|
|
pos.x = _innerContainer->getAnchorPoint().x * _innerContainer->getContentSize().width;
|
|
}
|
|
if (_innerContainer->getRightBoundary() < _contentSize.width)
|
|
{
|
|
pos.x = _contentSize.width - ((1.0f - _innerContainer->getAnchorPoint().x) * _innerContainer->getContentSize().width);
|
|
}
|
|
if (_innerContainer->getPosition().y > 0.0f)
|
|
{
|
|
pos.y = _innerContainer->getAnchorPoint().y * _innerContainer->getContentSize().height;
|
|
}
|
|
if (_innerContainer->getTopBoundary() < _contentSize.height)
|
|
{
|
|
pos.y = _contentSize.height - (1.0f - _innerContainer->getAnchorPoint().y) * _innerContainer->getContentSize().height;
|
|
}
|
|
setInnerContainerPosition(pos);
|
|
|
|
updateScrollBar(Vec2::ZERO);
|
|
}
|
|
|
|
const Size& ScrollView::getInnerContainerSize() const
|
|
{
|
|
return _innerContainer->getContentSize();
|
|
}
|
|
|
|
void ScrollView::setInnerContainerPosition(const Vec2 &position)
|
|
{
|
|
if(position == _innerContainer->getPosition())
|
|
{
|
|
return;
|
|
}
|
|
_innerContainer->setPosition(position);
|
|
|
|
// Process bouncing events
|
|
if(_bounceEnabled)
|
|
{
|
|
for(int direction = (int) MoveDirection::TOP; direction < (int) MoveDirection::RIGHT; ++direction)
|
|
{
|
|
if(isOutOfBoundary((MoveDirection) direction))
|
|
{
|
|
processScrollEvent((MoveDirection) direction, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
this->retain();
|
|
if (_eventCallback)
|
|
{
|
|
_eventCallback(this, EventType::CONTAINER_MOVED);
|
|
}
|
|
if (_ccEventCallback)
|
|
{
|
|
_ccEventCallback(this, static_cast<int>(EventType::CONTAINER_MOVED));
|
|
}
|
|
this->release();
|
|
}
|
|
|
|
const Vec2 ScrollView::getInnerContainerPosition() const
|
|
{
|
|
return _innerContainer->getPosition();
|
|
}
|
|
|
|
void ScrollView::addChild(Node* child)
|
|
{
|
|
ScrollView::addChild(child, child->getLocalZOrder(), child->getTag());
|
|
}
|
|
|
|
void ScrollView::addChild(Node * child, int localZOrder)
|
|
{
|
|
ScrollView::addChild(child, localZOrder, child->getTag());
|
|
}
|
|
|
|
void ScrollView::addChild(Node *child, int zOrder, int tag)
|
|
{
|
|
_innerContainer->addChild(child, zOrder, tag);
|
|
}
|
|
|
|
void ScrollView::addChild(Node* child, int zOrder, const std::string &name)
|
|
{
|
|
_innerContainer->addChild(child, zOrder, name);
|
|
}
|
|
|
|
void ScrollView::removeAllChildren()
|
|
{
|
|
removeAllChildrenWithCleanup(true);
|
|
}
|
|
|
|
void ScrollView::removeAllChildrenWithCleanup(bool cleanup)
|
|
{
|
|
_innerContainer->removeAllChildrenWithCleanup(cleanup);
|
|
}
|
|
|
|
void ScrollView::removeChild(Node* child, bool cleanup)
|
|
{
|
|
return _innerContainer->removeChild(child, cleanup);
|
|
}
|
|
|
|
Vector<Node*>& ScrollView::getChildren()
|
|
{
|
|
return _innerContainer->getChildren();
|
|
}
|
|
|
|
const Vector<Node*>& ScrollView::getChildren() const
|
|
{
|
|
return _innerContainer->getChildren();
|
|
}
|
|
|
|
ssize_t ScrollView::getChildrenCount() const
|
|
{
|
|
return _innerContainer->getChildrenCount();
|
|
}
|
|
|
|
Node* ScrollView::getChildByTag(int tag) const
|
|
{
|
|
return _innerContainer->getChildByTag(tag);
|
|
}
|
|
|
|
Node* ScrollView::getChildByName(const std::string& name)const
|
|
{
|
|
return _innerContainer->getChildByName(name);
|
|
}
|
|
|
|
void ScrollView::moveChildren(float offsetX, float offsetY)
|
|
{
|
|
Vec2 position = _innerContainer->getPosition() + Vec2(offsetX, offsetY);
|
|
moveChildrenToPosition(position);
|
|
}
|
|
|
|
void ScrollView::moveChildrenToPosition(const Vec2& position)
|
|
{
|
|
setInnerContainerPosition(position);
|
|
|
|
Vec2 outOfBoundary = getHowMuchOutOfBoundary(Vec2::ZERO);
|
|
updateScrollBar(outOfBoundary);
|
|
}
|
|
|
|
void ScrollView::updateScrollBar(const Vec2& outOfBoundary)
|
|
{
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->onScrolled(outOfBoundary);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->onScrolled(outOfBoundary);
|
|
}
|
|
}
|
|
|
|
Vec2 ScrollView::calculateTouchMoveVelocity() const
|
|
{
|
|
float totalTime = 0;
|
|
for(auto &timeDelta : _touchMoveTimeDeltas)
|
|
{
|
|
totalTime += timeDelta;
|
|
}
|
|
if(totalTime == 0 || totalTime >= 0.1f)
|
|
{
|
|
return Vec2::ZERO;
|
|
}
|
|
|
|
Vec2 totalMovement;
|
|
for(auto &displacement : _touchMoveDisplacements)
|
|
{
|
|
totalMovement += displacement;
|
|
}
|
|
return totalMovement / totalTime;
|
|
}
|
|
|
|
void ScrollView::startInertiaScroll(const Vec2& touchMoveVelocity)
|
|
{
|
|
const float MOVEMENT_FACTOR = 0.7f;
|
|
Vec2 inertiaTotalMovement = touchMoveVelocity * MOVEMENT_FACTOR;
|
|
startAttenuatingAutoScroll(inertiaTotalMovement, touchMoveVelocity);
|
|
}
|
|
|
|
bool ScrollView::startBounceBackIfNeeded()
|
|
{
|
|
if (!_bounceEnabled)
|
|
{
|
|
return false;
|
|
}
|
|
Vec2 outOfBoundary = getHowMuchOutOfBoundary(Vec2::ZERO);
|
|
if(outOfBoundary == Vec2::ZERO)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
_bouncingBack = true;
|
|
startAutoScroll(outOfBoundary, BOUNCE_BACK_DURATION, true);
|
|
return true;
|
|
}
|
|
|
|
Vec2 ScrollView::getHowMuchOutOfBoundary(const Vec2& addition) const
|
|
{
|
|
Vec2 result;
|
|
|
|
if(_innerContainer->getLeftBoundary() + addition.x > _leftBoundary)
|
|
{
|
|
result.x = _leftBoundary - (_innerContainer->getLeftBoundary() + addition.x);
|
|
}
|
|
else if(_innerContainer->getRightBoundary() + addition.x < _rightBoundary)
|
|
{
|
|
result.x = _rightBoundary - (_innerContainer->getRightBoundary() + addition.x);
|
|
}
|
|
|
|
if(_innerContainer->getTopBoundary() + addition.y < _topBoundary)
|
|
{
|
|
result.y = _topBoundary - (_innerContainer->getTopBoundary() + addition.y);
|
|
}
|
|
else if(_innerContainer->getBottomBoundary() + addition.y > _bottomBoundary)
|
|
{
|
|
result.y = _bottomBoundary - (_innerContainer->getBottomBoundary() + addition.y);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool ScrollView::isOutOfBoundary(MoveDirection dir) const
|
|
{
|
|
switch(dir)
|
|
{
|
|
case MoveDirection::TOP: return _innerContainer->getTopBoundary() < _topBoundary;
|
|
case MoveDirection::BOTTOM: return _innerContainer->getBottomBoundary() > _bottomBoundary;
|
|
case MoveDirection::LEFT: return _innerContainer->getLeftBoundary() > _leftBoundary;
|
|
case MoveDirection::RIGHT: return _innerContainer->getRightBoundary() < _rightBoundary;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool ScrollView::isOutOfBoundaryTopOrBottom() const
|
|
{
|
|
return isOutOfBoundary(MoveDirection::TOP) || isOutOfBoundary(MoveDirection::BOTTOM);
|
|
}
|
|
|
|
bool ScrollView::isOutOfBoundaryLeftOrRight() const
|
|
{
|
|
return isOutOfBoundary(MoveDirection::LEFT) || isOutOfBoundary(MoveDirection::RIGHT);
|
|
}
|
|
|
|
bool ScrollView::isOutOfBoundary() const
|
|
{
|
|
return isOutOfBoundaryTopOrBottom() || isOutOfBoundaryLeftOrRight();
|
|
}
|
|
|
|
void ScrollView::startAutoScrollToDestination(const Vec2& destination, float time, bool attenuated)
|
|
{
|
|
startAutoScroll(destination - _innerContainer->getPosition(), time, attenuated);
|
|
}
|
|
|
|
static float calculateAutoScrollTimeByInitialSpeed(float initialSpeed)
|
|
{
|
|
// Calculate the time from the initial speed according to quintic polynomial.
|
|
float time = sqrtf(sqrtf(initialSpeed / 5));
|
|
return time;
|
|
}
|
|
|
|
void ScrollView::startAttenuatingAutoScroll(const Vec2& deltaMove, const Vec2& initialVelocity)
|
|
{
|
|
float time = calculateAutoScrollTimeByInitialSpeed(initialVelocity.length());
|
|
startAutoScroll(deltaMove, time, true);
|
|
}
|
|
|
|
void ScrollView::startAutoScroll(const Vec2& deltaMove, float time, bool attenuated)
|
|
{
|
|
Vec2 adjustedDeltaMove = deltaMove;
|
|
adjustedDeltaMove.x = (_direction == Direction::VERTICAL ? 0 : adjustedDeltaMove.x);
|
|
adjustedDeltaMove.y = (_direction == Direction::HORIZONTAL ? 0 : adjustedDeltaMove.y);
|
|
|
|
_autoScrolling = true;
|
|
_autoScrollTargetDelta = adjustedDeltaMove;
|
|
_autoScrollAttenuate = attenuated;
|
|
_autoScrollStartPosition = _innerContainer->getPosition();
|
|
_autoScrollTotalTime = time;
|
|
_autoScrollAccumulatedTime = 0;
|
|
_autoScrollOutOfBoundaryAttenuating = false;
|
|
_autoScrollOutOfBoundaryPosAttenuating = Vec2::ZERO;
|
|
}
|
|
|
|
void ScrollView::processAutoScrolling(float deltaTime)
|
|
{
|
|
// Make auto scroll shorter if it is out of boundary and not bouncing back.
|
|
float shortenFactor = 1;
|
|
if(isOutOfBoundary() && !_bouncingBack)
|
|
{
|
|
if(!_autoScrollOutOfBoundaryAttenuating)
|
|
{
|
|
_autoScrollOutOfBoundaryAttenuating = true;
|
|
_autoScrollOutOfBoundaryPosAttenuating = getInnerContainerPosition();
|
|
}
|
|
shortenFactor *= OUT_OF_BOUNDARY_AUTO_SCROLL_FACTOR;
|
|
}
|
|
|
|
// Elapsed time
|
|
_autoScrollAccumulatedTime += deltaTime * (1 / shortenFactor);
|
|
|
|
// Calculate the progress percentage
|
|
float percentage = MIN(1, _autoScrollAccumulatedTime / _autoScrollTotalTime);
|
|
if(_autoScrollAttenuate)
|
|
{
|
|
// Use quintic(5th degree) polynomial
|
|
percentage = tweenfunc::quintEaseOut(percentage);
|
|
}
|
|
|
|
// Calculate the new position
|
|
Vec2 newPosition = _autoScrollStartPosition + (_autoScrollTargetDelta * percentage);
|
|
bool reachedEnd = (percentage == 1);
|
|
|
|
if(_bounceEnabled)
|
|
{
|
|
// The new position is adjusted if out of boundary
|
|
newPosition = _autoScrollOutOfBoundaryPosAttenuating + (newPosition - _autoScrollOutOfBoundaryPosAttenuating) * shortenFactor;
|
|
}
|
|
else
|
|
{
|
|
// Don't let go out of boundary
|
|
Vec2 moveDelta = newPosition - getInnerContainerPosition();
|
|
Vec2 outOfBoundary = getHowMuchOutOfBoundary(moveDelta);
|
|
if(outOfBoundary != Vec2::ZERO)
|
|
{
|
|
newPosition += outOfBoundary;
|
|
reachedEnd = true;
|
|
}
|
|
}
|
|
|
|
moveChildrenToPosition(newPosition);
|
|
|
|
// Finish auto scroll if it ended
|
|
if(reachedEnd)
|
|
{
|
|
_autoScrolling = false;
|
|
if(_bouncingBack)
|
|
{
|
|
_bouncingBack = false;
|
|
}
|
|
else
|
|
{
|
|
startBounceBackIfNeeded();
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollView::jumpToDestination(const Vec2 &des)
|
|
{
|
|
float finalOffsetX = des.x;
|
|
float finalOffsetY = des.y;
|
|
if (des.y <= 0 && _direction != Direction::HORIZONTAL)
|
|
{
|
|
finalOffsetY = MAX(des.y, _contentSize.height - _innerContainer->getContentSize().height);
|
|
}
|
|
if (des.x <= 0 && _direction != Direction::VERTICAL)
|
|
{
|
|
finalOffsetX = MAX(des.x, _contentSize.width - _innerContainer->getContentSize().width);
|
|
}
|
|
moveChildrenToPosition(Vec2(finalOffsetX, finalOffsetY));
|
|
}
|
|
|
|
bool ScrollView::scrollChildren(float touchOffsetX, float touchOffsetY)
|
|
{
|
|
touchOffsetX = (_direction == Direction::VERTICAL ? 0 : touchOffsetX);
|
|
touchOffsetY = (_direction == Direction::HORIZONTAL ? 0 : touchOffsetY);
|
|
if(_bounceEnabled)
|
|
{
|
|
// If the position of the inner container is out of the boundary, the offsets should be divided by two.
|
|
touchOffsetX *= (isOutOfBoundaryLeftOrRight() ? 0.5f : 1);
|
|
touchOffsetY *= (isOutOfBoundaryTopOrBottom() ? 0.5f : 1);
|
|
}
|
|
|
|
float realOffsetX = touchOffsetX;
|
|
float realOffsetY = touchOffsetY;
|
|
|
|
bool scrolledToLeft = false;
|
|
bool scrolledToRight = false;
|
|
bool scrolledToTop = false;
|
|
bool scrolledToBottom = false;
|
|
if (touchOffsetY > 0.0f) // up
|
|
{
|
|
float icBottomPos = _innerContainer->getBottomBoundary();
|
|
if (icBottomPos + touchOffsetY >= _bottomBoundary)
|
|
{
|
|
if(!_bounceEnabled)
|
|
{
|
|
realOffsetY = _bottomBoundary - icBottomPos;
|
|
}
|
|
scrolledToBottom = true;
|
|
}
|
|
}
|
|
else if (touchOffsetY < 0.0f) // down
|
|
{
|
|
float icTopPos = _innerContainer->getTopBoundary();
|
|
if (icTopPos + touchOffsetY <= _topBoundary)
|
|
{
|
|
if(!_bounceEnabled)
|
|
{
|
|
realOffsetY = _topBoundary - icTopPos;
|
|
}
|
|
scrolledToTop = true;
|
|
}
|
|
}
|
|
|
|
if (touchOffsetX < 0.0f) // left
|
|
{
|
|
float icRightPos = _innerContainer->getRightBoundary();
|
|
if (icRightPos + touchOffsetX <= _rightBoundary)
|
|
{
|
|
if(!_bounceEnabled)
|
|
{
|
|
realOffsetX = _rightBoundary - icRightPos;
|
|
}
|
|
scrolledToRight = true;
|
|
}
|
|
}
|
|
else if (touchOffsetX > 0.0f) // right
|
|
{
|
|
float icLeftPos = _innerContainer->getLeftBoundary();
|
|
if (icLeftPos + touchOffsetX >= _leftBoundary)
|
|
{
|
|
if(!_bounceEnabled)
|
|
{
|
|
realOffsetX = _leftBoundary - icLeftPos;
|
|
}
|
|
scrolledToLeft = true;
|
|
}
|
|
}
|
|
moveChildren(realOffsetX, realOffsetY);
|
|
|
|
if(realOffsetX != 0 || realOffsetY != 0)
|
|
{
|
|
processScrollingEvent();
|
|
}
|
|
if(scrolledToBottom)
|
|
{
|
|
processScrollEvent(MoveDirection::BOTTOM, false);
|
|
}
|
|
if(scrolledToTop)
|
|
{
|
|
processScrollEvent(MoveDirection::TOP, false);
|
|
}
|
|
if(scrolledToLeft)
|
|
{
|
|
processScrollEvent(MoveDirection::LEFT, false);
|
|
}
|
|
if(scrolledToRight)
|
|
{
|
|
processScrollEvent(MoveDirection::RIGHT, false);
|
|
}
|
|
|
|
bool scrollEnabledUpDown = (!scrolledToBottom && !scrolledToTop);
|
|
bool scrollEnabledLeftRight = (!scrolledToLeft && !scrolledToRight);
|
|
return scrollEnabledUpDown || scrollEnabledLeftRight;
|
|
}
|
|
|
|
void ScrollView::scrollToBottom(float time, bool attenuated)
|
|
{
|
|
startAutoScrollToDestination(Vec2(_innerContainer->getPosition().x, 0.0f), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToTop(float time, bool attenuated)
|
|
{
|
|
startAutoScrollToDestination(Vec2(_innerContainer->getPosition().x,
|
|
_contentSize.height - _innerContainer->getContentSize().height), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToLeft(float time, bool attenuated)
|
|
{
|
|
startAutoScrollToDestination(Vec2(0.0f, _innerContainer->getPosition().y), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToRight(float time, bool attenuated)
|
|
{
|
|
startAutoScrollToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width,
|
|
_innerContainer->getPosition().y), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToTopLeft(float time, bool attenuated)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
startAutoScrollToDestination(Vec2(0.0f, _contentSize.height - _innerContainer->getContentSize().height), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToTopRight(float time, bool attenuated)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
startAutoScrollToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width,
|
|
_contentSize.height - _innerContainer->getContentSize().height), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToBottomLeft(float time, bool attenuated)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
startAutoScrollToDestination(Vec2::ZERO, time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToBottomRight(float time, bool attenuated)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
startAutoScrollToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width, 0.0f), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToPercentVertical(float percent, float time, bool attenuated)
|
|
{
|
|
float minY = _contentSize.height - _innerContainer->getContentSize().height;
|
|
float h = - minY;
|
|
startAutoScrollToDestination(Vec2(_innerContainer->getPosition().x, minY + percent * h / 100.0f), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToPercentHorizontal(float percent, float time, bool attenuated)
|
|
{
|
|
float w = _innerContainer->getContentSize().width - _contentSize.width;
|
|
startAutoScrollToDestination(Vec2(-(percent * w / 100.0f), _innerContainer->getPosition().y), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::scrollToPercentBothDirection(const Vec2& percent, float time, bool attenuated)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
return;
|
|
}
|
|
float minY = _contentSize.height - _innerContainer->getContentSize().height;
|
|
float h = - minY;
|
|
float w = _innerContainer->getContentSize().width - _contentSize.width;
|
|
startAutoScrollToDestination(Vec2(-(percent.x * w / 100.0f), minY + percent.y * h / 100.0f), time, attenuated);
|
|
}
|
|
|
|
void ScrollView::jumpToBottom()
|
|
{
|
|
jumpToDestination(Vec2(_innerContainer->getPosition().x, 0.0f));
|
|
}
|
|
|
|
void ScrollView::jumpToTop()
|
|
{
|
|
jumpToDestination(Vec2(_innerContainer->getPosition().x,
|
|
_contentSize.height - _innerContainer->getContentSize().height));
|
|
}
|
|
|
|
void ScrollView::jumpToLeft()
|
|
{
|
|
jumpToDestination(Vec2(0.0f, _innerContainer->getPosition().y));
|
|
}
|
|
|
|
void ScrollView::jumpToRight()
|
|
{
|
|
jumpToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width, _innerContainer->getPosition().y));
|
|
}
|
|
|
|
void ScrollView::jumpToTopLeft()
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
jumpToDestination(Vec2(0.0f, _contentSize.height - _innerContainer->getContentSize().height));
|
|
}
|
|
|
|
void ScrollView::jumpToTopRight()
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
jumpToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width,
|
|
_contentSize.height - _innerContainer->getContentSize().height));
|
|
}
|
|
|
|
void ScrollView::jumpToBottomLeft()
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
jumpToDestination(Vec2::ZERO);
|
|
}
|
|
|
|
void ScrollView::jumpToBottomRight()
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
CCLOG("Scroll direction is not both!");
|
|
return;
|
|
}
|
|
jumpToDestination(Vec2(_contentSize.width - _innerContainer->getContentSize().width, 0.0f));
|
|
}
|
|
|
|
void ScrollView::jumpToPercentVertical(float percent)
|
|
{
|
|
float minY = _contentSize.height - _innerContainer->getContentSize().height;
|
|
float h = - minY;
|
|
jumpToDestination(Vec2(_innerContainer->getPosition().x, minY + percent * h / 100.0f));
|
|
}
|
|
|
|
void ScrollView::jumpToPercentHorizontal(float percent)
|
|
{
|
|
float w = _innerContainer->getContentSize().width - _contentSize.width;
|
|
jumpToDestination(Vec2(-(percent * w / 100.0f), _innerContainer->getPosition().y));
|
|
}
|
|
|
|
void ScrollView::jumpToPercentBothDirection(const Vec2& percent)
|
|
{
|
|
if (_direction != Direction::BOTH)
|
|
{
|
|
return;
|
|
}
|
|
float minY = _contentSize.height - _innerContainer->getContentSize().height;
|
|
float h = - minY;
|
|
float w = _innerContainer->getContentSize().width - _contentSize.width;
|
|
jumpToDestination(Vec2(-(percent.x * w / 100.0f), minY + percent.y * h / 100.0f));
|
|
}
|
|
|
|
bool ScrollView::calculateCurrPrevTouchPoints(Touch* touch, Vec3* currPt, Vec3* prevPt)
|
|
{
|
|
if (nullptr == _hittedByCamera ||
|
|
false == hitTest(touch->getLocation(), _hittedByCamera, currPt) ||
|
|
false == hitTest(touch->getPreviousLocation(), _hittedByCamera, prevPt))
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ScrollView::gatherTouchMove(const Vec2& delta)
|
|
{
|
|
while(_touchMoveDisplacements.size() >= NUMBER_OF_GATHERED_TOUCHES_FOR_MOVE_SPEED)
|
|
{
|
|
_touchMoveDisplacements.pop_front();
|
|
_touchMoveTimeDeltas.pop_front();
|
|
}
|
|
_touchMoveDisplacements.push_back(delta);
|
|
|
|
long long timestamp = utils::getTimeInMilliseconds();
|
|
_touchMoveTimeDeltas.push_back((timestamp - _touchMovePreviousTimestamp) / 1000.0f);
|
|
_touchMovePreviousTimestamp = timestamp;
|
|
}
|
|
|
|
void ScrollView::handlePressLogic(Touch *touch)
|
|
{
|
|
_bePressed = true;
|
|
_autoScrolling = false;
|
|
_bouncingBack = false;
|
|
|
|
// Clear gathered touch move information
|
|
{
|
|
_touchMovePreviousTimestamp = utils::getTimeInMilliseconds();
|
|
_touchMoveDisplacements.clear();
|
|
_touchMoveTimeDeltas.clear();
|
|
}
|
|
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->onTouchBegan();
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->onTouchBegan();
|
|
}
|
|
}
|
|
|
|
void ScrollView::handleMoveLogic(Touch *touch)
|
|
{
|
|
Vec3 currPt, prevPt;
|
|
if(!calculateCurrPrevTouchPoints(touch, &currPt, &prevPt))
|
|
{
|
|
return;
|
|
}
|
|
Vec3 delta3 = currPt - prevPt;
|
|
Vec2 delta(delta3.x, delta3.y);
|
|
scrollChildren(delta.x, delta.y);
|
|
|
|
// Gather touch move information for speed calculation
|
|
gatherTouchMove(delta);
|
|
}
|
|
|
|
void ScrollView::handleReleaseLogic(Touch *touch)
|
|
{
|
|
// Gather the last touch information when released
|
|
{
|
|
Vec3 currPt, prevPt;
|
|
if(calculateCurrPrevTouchPoints(touch, &currPt, &prevPt))
|
|
{
|
|
Vec3 delta3 = currPt - prevPt;
|
|
Vec2 delta(delta3.x, delta3.y);
|
|
gatherTouchMove(delta);
|
|
}
|
|
}
|
|
|
|
_bePressed = false;
|
|
|
|
bool bounceBackStarted = startBounceBackIfNeeded();
|
|
if(!bounceBackStarted && _inertiaScrollEnabled)
|
|
{
|
|
Vec2 touchMoveVelocity = calculateTouchMoveVelocity();
|
|
if(touchMoveVelocity != Vec2::ZERO)
|
|
{
|
|
startInertiaScroll(touchMoveVelocity);
|
|
}
|
|
}
|
|
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->onTouchEnded();
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->onTouchEnded();
|
|
}
|
|
}
|
|
|
|
bool ScrollView::onTouchBegan(Touch *touch, Event *unusedEvent)
|
|
{
|
|
bool pass = Layout::onTouchBegan(touch, unusedEvent);
|
|
if (!_isInterceptTouch)
|
|
{
|
|
if (_hitted)
|
|
{
|
|
handlePressLogic(touch);
|
|
}
|
|
}
|
|
return pass;
|
|
}
|
|
|
|
void ScrollView::onTouchMoved(Touch *touch, Event *unusedEvent)
|
|
{
|
|
Layout::onTouchMoved(touch, unusedEvent);
|
|
if (!_isInterceptTouch)
|
|
{
|
|
handleMoveLogic(touch);
|
|
}
|
|
}
|
|
|
|
void ScrollView::onTouchEnded(Touch *touch, Event *unusedEvent)
|
|
{
|
|
Layout::onTouchEnded(touch, unusedEvent);
|
|
if (!_isInterceptTouch)
|
|
{
|
|
handleReleaseLogic(touch);
|
|
}
|
|
_isInterceptTouch = false;
|
|
}
|
|
|
|
void ScrollView::onTouchCancelled(Touch *touch, Event *unusedEvent)
|
|
{
|
|
Layout::onTouchCancelled(touch, unusedEvent);
|
|
if (!_isInterceptTouch)
|
|
{
|
|
handleReleaseLogic(touch);
|
|
}
|
|
_isInterceptTouch = false;
|
|
}
|
|
|
|
void ScrollView::update(float dt)
|
|
{
|
|
if (_autoScrolling)
|
|
{
|
|
processAutoScrolling(dt);
|
|
}
|
|
}
|
|
|
|
void ScrollView::interceptTouchEvent(Widget::TouchEventType event, Widget *sender,Touch* touch)
|
|
{
|
|
if(!_touchEnabled)
|
|
{
|
|
Layout::interceptTouchEvent(event, sender, touch);
|
|
return;
|
|
}
|
|
|
|
Vec2 touchPoint = touch->getLocation();
|
|
switch (event)
|
|
{
|
|
case TouchEventType::BEGAN:
|
|
{
|
|
_isInterceptTouch = true;
|
|
_touchBeganPosition = touch->getLocation();
|
|
handlePressLogic(touch);
|
|
}
|
|
break;
|
|
case TouchEventType::MOVED:
|
|
{
|
|
_touchMovePosition = touch->getLocation();
|
|
// calculates move offset in points
|
|
float offsetInInch = 0;
|
|
switch (_direction)
|
|
{
|
|
case Direction::HORIZONTAL:
|
|
offsetInInch = convertDistanceFromPointToInch(Vec2(fabs(sender->getTouchBeganPosition().x - touchPoint.x), 0));
|
|
break;
|
|
case Direction::VERTICAL:
|
|
offsetInInch = convertDistanceFromPointToInch(Vec2(0, fabs(sender->getTouchBeganPosition().y - touchPoint.y)));
|
|
break;
|
|
case Direction::BOTH:
|
|
offsetInInch = convertDistanceFromPointToInch(sender->getTouchBeganPosition() - touchPoint);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (offsetInInch > _childFocusCancelOffsetInInch)
|
|
{
|
|
sender->setHighlighted(false);
|
|
handleMoveLogic(touch);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TouchEventType::CANCELED:
|
|
case TouchEventType::ENDED:
|
|
{
|
|
_touchEndPosition = touch->getLocation();
|
|
handleReleaseLogic(touch);
|
|
if (sender->isSwallowTouches())
|
|
{
|
|
_isInterceptTouch = false;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ScrollView::processScrollEvent(MoveDirection dir, bool bounce)
|
|
{
|
|
ScrollviewEventType scrollEventType;
|
|
EventType eventType;
|
|
switch(dir) {
|
|
case MoveDirection::TOP:
|
|
{
|
|
scrollEventType = (bounce ? SCROLLVIEW_EVENT_BOUNCE_TOP : SCROLLVIEW_EVENT_SCROLL_TO_TOP);
|
|
eventType = (bounce ? EventType::BOUNCE_TOP : EventType::SCROLL_TO_TOP);
|
|
break;
|
|
}
|
|
case MoveDirection::BOTTOM:
|
|
{
|
|
scrollEventType = (bounce ? SCROLLVIEW_EVENT_BOUNCE_BOTTOM : SCROLLVIEW_EVENT_SCROLL_TO_BOTTOM);
|
|
eventType = (bounce ? EventType::BOUNCE_BOTTOM : EventType::SCROLL_TO_BOTTOM);
|
|
break;
|
|
}
|
|
case MoveDirection::LEFT:
|
|
{
|
|
scrollEventType = (bounce ? SCROLLVIEW_EVENT_BOUNCE_LEFT : SCROLLVIEW_EVENT_SCROLL_TO_LEFT);
|
|
eventType = (bounce ? EventType::BOUNCE_LEFT : EventType::SCROLL_TO_LEFT);
|
|
break;
|
|
}
|
|
case MoveDirection::RIGHT:
|
|
{
|
|
scrollEventType = (bounce ? SCROLLVIEW_EVENT_BOUNCE_RIGHT : SCROLLVIEW_EVENT_SCROLL_TO_RIGHT);
|
|
eventType = (bounce ? EventType::BOUNCE_RIGHT : EventType::SCROLL_TO_RIGHT);
|
|
break;
|
|
}
|
|
}
|
|
dispatchEvent(scrollEventType, eventType);
|
|
}
|
|
|
|
void ScrollView::processScrollingEvent()
|
|
{
|
|
dispatchEvent(SCROLLVIEW_EVENT_SCROLLING, EventType::SCROLLING);
|
|
}
|
|
|
|
void ScrollView::dispatchEvent(ScrollviewEventType scrollEventType, EventType eventType)
|
|
{
|
|
this->retain();
|
|
if (_scrollViewEventListener && _scrollViewEventSelector)
|
|
{
|
|
(_scrollViewEventListener->*_scrollViewEventSelector)(this, scrollEventType);
|
|
}
|
|
if (_eventCallback)
|
|
{
|
|
_eventCallback(this, eventType);
|
|
}
|
|
if (_ccEventCallback)
|
|
{
|
|
_ccEventCallback(this, static_cast<int>(eventType));
|
|
}
|
|
this->release();
|
|
}
|
|
|
|
void ScrollView::addEventListenerScrollView(Ref *target, SEL_ScrollViewEvent selector)
|
|
{
|
|
_scrollViewEventListener = target;
|
|
_scrollViewEventSelector = selector;
|
|
}
|
|
|
|
void ScrollView::addEventListener(const ccScrollViewCallback& callback)
|
|
{
|
|
_eventCallback = callback;
|
|
}
|
|
|
|
void ScrollView::setDirection(Direction dir)
|
|
{
|
|
_direction = dir;
|
|
if(_scrollBarEnabled)
|
|
{
|
|
removeScrollBar();
|
|
initScrollBar();
|
|
}
|
|
}
|
|
|
|
ScrollView::Direction ScrollView::getDirection()const
|
|
{
|
|
return _direction;
|
|
}
|
|
|
|
void ScrollView::setBounceEnabled(bool enabled)
|
|
{
|
|
_bounceEnabled = enabled;
|
|
}
|
|
|
|
bool ScrollView::isBounceEnabled() const
|
|
{
|
|
return _bounceEnabled;
|
|
}
|
|
|
|
void ScrollView::setInertiaScrollEnabled(bool enabled)
|
|
{
|
|
_inertiaScrollEnabled = enabled;
|
|
}
|
|
|
|
bool ScrollView::isInertiaScrollEnabled() const
|
|
{
|
|
return _inertiaScrollEnabled;
|
|
}
|
|
|
|
void ScrollView::setScrollBarEnabled(bool enabled)
|
|
{
|
|
if(_scrollBarEnabled == enabled)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(_scrollBarEnabled)
|
|
{
|
|
removeScrollBar();
|
|
}
|
|
_scrollBarEnabled = enabled;
|
|
if(_scrollBarEnabled)
|
|
{
|
|
initScrollBar();
|
|
}
|
|
}
|
|
|
|
bool ScrollView::isScrollBarEnabled() const
|
|
{
|
|
return _scrollBarEnabled;
|
|
}
|
|
|
|
void ScrollView::setScrollBarPositionFromCorner(const Vec2& positionFromCorner)
|
|
{
|
|
if(_direction != Direction::HORIZONTAL)
|
|
{
|
|
setScrollBarPositionFromCornerForVertical(positionFromCorner);
|
|
}
|
|
if(_direction != Direction::VERTICAL)
|
|
{
|
|
setScrollBarPositionFromCornerForHorizontal(positionFromCorner);
|
|
}
|
|
}
|
|
|
|
void ScrollView::setScrollBarPositionFromCornerForVertical(const Vec2& positionFromCorner)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
CCASSERT(_direction != Direction::HORIZONTAL, "Scroll view doesn't have a vertical scroll bar!");
|
|
_verticalScrollBar->setPositionFromCorner(positionFromCorner);
|
|
}
|
|
|
|
Vec2 ScrollView::getScrollBarPositionFromCornerForVertical() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
CCASSERT(_direction != Direction::HORIZONTAL, "Scroll view doesn't have a vertical scroll bar!");
|
|
return _verticalScrollBar->getPositionFromCorner();
|
|
}
|
|
|
|
void ScrollView::setScrollBarPositionFromCornerForHorizontal(const Vec2& positionFromCorner)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
CCASSERT(_direction != Direction::VERTICAL, "Scroll view doesn't have a horizontal scroll bar!");
|
|
_horizontalScrollBar->setPositionFromCorner(positionFromCorner);
|
|
}
|
|
|
|
Vec2 ScrollView::getScrollBarPositionFromCornerForHorizontal() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
CCASSERT(_direction != Direction::VERTICAL, "Scroll view doesn't have a horizontal scroll bar!");
|
|
return _horizontalScrollBar->getPositionFromCorner();
|
|
}
|
|
|
|
void ScrollView::setScrollBarWidth(float width)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->setWidth(width);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->setWidth(width);
|
|
}
|
|
}
|
|
|
|
float ScrollView::getScrollBarWidth() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
return _verticalScrollBar->getWidth();
|
|
}
|
|
else if(_horizontalScrollBar != nullptr)
|
|
{
|
|
return _horizontalScrollBar->getWidth();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void ScrollView::setScrollBarColor(const Color3B& color)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->setColor(color);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->setColor(color);
|
|
}
|
|
}
|
|
|
|
const Color3B& ScrollView::getScrollBarColor() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
return _verticalScrollBar->getColor();
|
|
}
|
|
else if(_horizontalScrollBar != nullptr)
|
|
{
|
|
return _horizontalScrollBar->getColor();
|
|
}
|
|
return Color3B::WHITE;
|
|
}
|
|
|
|
void ScrollView::setScrollBarOpacity(GLubyte opacity)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->setOpacity(opacity);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->setOpacity(opacity);
|
|
}
|
|
}
|
|
|
|
GLubyte ScrollView::getScrollBarOpacity() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
return _verticalScrollBar->getOpacity();
|
|
}
|
|
else if(_horizontalScrollBar != nullptr)
|
|
{
|
|
return _horizontalScrollBar->getOpacity();
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void ScrollView::setScrollBarAutoHideEnabled(bool autoHideEnabled)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->setAutoHideEnabled(autoHideEnabled);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->setAutoHideEnabled(autoHideEnabled);
|
|
}
|
|
}
|
|
|
|
bool ScrollView::isScrollBarAutoHideEnabled() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
return _verticalScrollBar->isAutoHideEnabled();
|
|
}
|
|
else if(_horizontalScrollBar != nullptr)
|
|
{
|
|
return _horizontalScrollBar->isAutoHideEnabled();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ScrollView::setScrollBarAutoHideTime(float autoHideTime)
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
_verticalScrollBar->setAutoHideTime(autoHideTime);
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
_horizontalScrollBar->setAutoHideTime(autoHideTime);
|
|
}
|
|
}
|
|
|
|
float ScrollView::getScrollBarAutoHideTime() const
|
|
{
|
|
CCASSERT(_scrollBarEnabled, "Scroll bar should be enabled!");
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
return _verticalScrollBar->getAutoHideTime();
|
|
}
|
|
else if(_horizontalScrollBar != nullptr)
|
|
{
|
|
return _horizontalScrollBar->getAutoHideTime();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Layout* ScrollView::getInnerContainer()const
|
|
{
|
|
return _innerContainer;
|
|
}
|
|
|
|
void ScrollView::setLayoutType(Type type)
|
|
{
|
|
_innerContainer->setLayoutType(type);
|
|
}
|
|
|
|
Layout::Type ScrollView::getLayoutType() const
|
|
{
|
|
return _innerContainer->getLayoutType();
|
|
}
|
|
|
|
void ScrollView::doLayout()
|
|
{
|
|
if (!_doLayoutDirty)
|
|
{
|
|
return;
|
|
}
|
|
_doLayoutDirty = false;
|
|
}
|
|
|
|
std::string ScrollView::getDescription() const
|
|
{
|
|
return "ScrollView";
|
|
}
|
|
|
|
Widget* ScrollView::createCloneInstance()
|
|
{
|
|
return ScrollView::create();
|
|
}
|
|
|
|
void ScrollView::copyClonedWidgetChildren(Widget* model)
|
|
{
|
|
Layout::copyClonedWidgetChildren(model);
|
|
}
|
|
|
|
void ScrollView::copySpecialProperties(Widget *widget)
|
|
{
|
|
ScrollView* scrollView = dynamic_cast<ScrollView*>(widget);
|
|
if (scrollView)
|
|
{
|
|
Layout::copySpecialProperties(widget);
|
|
_innerContainer = scrollView->_innerContainer;
|
|
setDirection(scrollView->_direction);
|
|
setInnerContainerSize(scrollView->getInnerContainerSize());
|
|
_topBoundary = scrollView->_topBoundary;
|
|
_bottomBoundary = scrollView->_bottomBoundary;
|
|
_leftBoundary = scrollView->_leftBoundary;
|
|
_rightBoundary = scrollView->_rightBoundary;
|
|
_bePressed = scrollView->_bePressed;
|
|
_childFocusCancelOffsetInInch = scrollView->_childFocusCancelOffsetInInch;
|
|
_touchMoveDisplacements = scrollView->_touchMoveDisplacements;
|
|
_touchMoveTimeDeltas = scrollView->_touchMoveTimeDeltas;
|
|
_touchMovePreviousTimestamp = scrollView->_touchMovePreviousTimestamp;
|
|
_autoScrolling = scrollView->_autoScrolling;
|
|
_autoScrollAttenuate = scrollView->_autoScrollAttenuate;
|
|
_autoScrollStartPosition = scrollView->_autoScrollStartPosition;
|
|
_autoScrollTargetDelta = scrollView->_autoScrollTargetDelta;
|
|
_autoScrollTotalTime = scrollView->_autoScrollTotalTime;
|
|
_autoScrollAccumulatedTime = scrollView->_autoScrollAccumulatedTime;
|
|
_autoScrollOutOfBoundaryAttenuating = scrollView->_autoScrollOutOfBoundaryAttenuating;
|
|
_autoScrollOutOfBoundaryPosAttenuating = scrollView->_autoScrollOutOfBoundaryPosAttenuating;
|
|
setInertiaScrollEnabled(scrollView->_inertiaScrollEnabled);
|
|
_bouncingBack = scrollView->_bouncingBack;
|
|
setBounceEnabled(scrollView->_bounceEnabled);
|
|
_scrollViewEventListener = scrollView->_scrollViewEventListener;
|
|
_scrollViewEventSelector = scrollView->_scrollViewEventSelector;
|
|
_eventCallback = scrollView->_eventCallback;
|
|
_ccEventCallback = scrollView->_ccEventCallback;
|
|
|
|
setScrollBarEnabled(scrollView->isScrollBarEnabled());
|
|
if(isScrollBarEnabled())
|
|
{
|
|
if(_direction != Direction::HORIZONTAL)
|
|
{
|
|
setScrollBarPositionFromCornerForVertical(scrollView->getScrollBarPositionFromCornerForVertical());
|
|
}
|
|
if(_direction != Direction::VERTICAL)
|
|
{
|
|
setScrollBarPositionFromCornerForHorizontal(scrollView->getScrollBarPositionFromCornerForHorizontal());
|
|
}
|
|
setScrollBarWidth(scrollView->getScrollBarWidth());
|
|
setScrollBarColor(scrollView->getScrollBarColor());
|
|
setScrollBarAutoHideEnabled(scrollView->isScrollBarAutoHideEnabled());
|
|
setScrollBarAutoHideTime(scrollView->getScrollBarAutoHideTime());
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollView::initScrollBar()
|
|
{
|
|
if(_direction != Direction::HORIZONTAL && _verticalScrollBar == nullptr)
|
|
{
|
|
_verticalScrollBar = ScrollViewBar::create(this, Direction::VERTICAL);
|
|
addProtectedChild(_verticalScrollBar, 2);
|
|
}
|
|
if(_direction != Direction::VERTICAL && _horizontalScrollBar == nullptr)
|
|
{
|
|
_horizontalScrollBar = ScrollViewBar::create(this, Direction::HORIZONTAL);
|
|
addProtectedChild(_horizontalScrollBar, 2);
|
|
}
|
|
}
|
|
|
|
void ScrollView::removeScrollBar()
|
|
{
|
|
if(_verticalScrollBar != nullptr)
|
|
{
|
|
removeProtectedChild(_verticalScrollBar);
|
|
_verticalScrollBar = nullptr;
|
|
}
|
|
if(_horizontalScrollBar != nullptr)
|
|
{
|
|
removeProtectedChild(_horizontalScrollBar);
|
|
_horizontalScrollBar = nullptr;
|
|
}
|
|
}
|
|
|
|
Widget* ScrollView::findNextFocusedWidget(cocos2d::ui::Widget::FocusDirection direction, cocos2d::ui::Widget *current)
|
|
{
|
|
if (this->getLayoutType() == Layout::Type::VERTICAL
|
|
|| this->getLayoutType() == Layout::Type::HORIZONTAL)
|
|
{
|
|
return _innerContainer->findNextFocusedWidget(direction, current);
|
|
}
|
|
else
|
|
{
|
|
return Widget::findNextFocusedWidget(direction, current);
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_CC_END
|