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fix pageview turning event (#16299)

This commit is contained in:
子龙山人 2016-08-04 09:51:54 +08:00 committed by minggo
parent ad721ec3a4
commit 6eaf15a2c2
4 changed files with 38 additions and 15 deletions
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38
cocos/ui/UIPageView.cpp
View File

@ -39,7 +39,8 @@ _childFocusCancelOffset(5.0f),
_pageViewEventListener(nullptr),
_pageViewEventSelector(nullptr),
_eventCallback(nullptr),
_autoScrollStopEpsilon(0.001f)
_autoScrollStopEpsilon(0.001f),
_previousPageIndex(-1)
{
}
@ -218,6 +219,12 @@ void PageView::refreshIndicatorPosition()
_indicator->setPosition(Vec2(posX, posY));
}
}
void PageView::handlePressLogic(Touch *touch)
{
ListView::handlePressLogic(touch);
_previousPageIndex = _currentPageIndex;
}
void PageView::handleReleaseLogic(Touch *touch)
{
@ -228,7 +235,6 @@ void PageView::handleReleaseLogic(Touch *touch)
{
return;
}
Vec2 touchMoveVelocity = flattenVectorByDirection(calculateTouchMoveVelocity());
static const float INERTIA_THRESHOLD = 500;
@ -272,6 +278,19 @@ float PageView::getAutoScrollStopEpsilon() const
return _autoScrollStopEpsilon;
}
void PageView::addEventListenerPageView(Ref *target, SEL_PageViewEvent selector)
{
_pageViewEventListener = target;
_pageViewEventSelector = selector;
ccScrollViewCallback scrollViewCallback = [=](Ref* ref, ScrollView::EventType type) -> void{
if (type == ScrollView::EventType::AUTOSCROLL_ENDED && _previousPageIndex != _currentPageIndex) {
pageTurningEvent();
}
};
this->addEventListener(scrollViewCallback);
}
void PageView::pageTurningEvent()
{
this->retain();
@ -289,19 +308,13 @@ void PageView::pageTurningEvent()
}
this->release();
}
void PageView::addEventListenerPageView(Ref *target, SEL_PageViewEvent selector)
{
_pageViewEventListener = target;
_pageViewEventSelector = selector;
}
void PageView::addEventListener(const ccPageViewCallback& callback)
{
_eventCallback = callback;
ccScrollViewCallback scrollViewCallback = [=](Ref* ref, ScrollView::EventType type) -> void{
if (type == ScrollView::EventType::AUTOSCROLL_ENDED) {
callback(ref, PageView::EventType::TURNING);
if (type == ScrollView::EventType::AUTOSCROLL_ENDED && _previousPageIndex != _currentPageIndex) {
pageTurningEvent();
}
};
this->addEventListener(scrollViewCallback);
@ -364,6 +377,11 @@ void PageView::copySpecialProperties(Widget *widget)
_ccEventCallback = pageView->_ccEventCallback;
_pageViewEventListener = pageView->_pageViewEventListener;
_pageViewEventSelector = pageView->_pageViewEventSelector;
_currentPageIndex = pageView->_currentPageIndex;
_previousPageIndex = pageView->_previousPageIndex;
_childFocusCancelOffset = pageView->_childFocusCancelOffset;
_autoScrollStopEpsilon = pageView->_autoScrollStopEpsilon;
_indicatorPositionAsAnchorPoint = pageView->_indicatorPositionAsAnchorPoint;
}
}

2
cocos/ui/UIPageView.h
View File

@ -394,6 +394,7 @@ protected:
virtual void onItemListChanged() override;
virtual void onSizeChanged() override;
virtual void handleReleaseLogic(Touch *touch) override;
virtual void handlePressLogic(Touch *touch) override;
virtual Widget* createCloneInstance() override;
virtual void copySpecialProperties(Widget* model) override;
@ -423,6 +424,7 @@ protected:
#endif
ccPageViewCallback _eventCallback;
float _autoScrollStopEpsilon;
ssize_t _previousPageIndex;
};
}

11
tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIPageViewTest/UIPageViewTest.cpp
View File

@ -84,7 +84,8 @@ bool UIPageViewTest::init()
pageView->removeItem(0);
pageView->scrollToItem(pageCount - 2);
pageView->addEventListener((PageView::ccPageViewCallback)CC_CALLBACK_2(UIPageViewTest::pageViewEvent, this));
//This method is deprecated, we used here only testing purpose
pageView->addEventListenerPageView(this, pagevieweventselector(UIPageViewTest::pageViewEvent));
_uiLayer->addChild(pageView);
@ -93,11 +94,11 @@ bool UIPageViewTest::init()
return false;
}
void UIPageViewTest::pageViewEvent(Ref *pSender, PageView::EventType type)
void UIPageViewTest::pageViewEvent(Ref *pSender, PageViewEventType type)
{
switch (type)
{
case PageView::EventType::TURNING:
case PAGEVIEW_EVENT_TURNING:
{
PageView* pageView = dynamic_cast<PageView*>(pSender);
@ -199,7 +200,9 @@ bool UIPageViewButtonTest::init()
void UIPageViewButtonTest::onButtonClicked(Ref* sender, Widget::TouchEventType type)
{
log("button %s clicked", static_cast<Button*>(sender)->getName().c_str());
if(type == Widget::TouchEventType::ENDED) {
log("button %s clicked", static_cast<Button*>(sender)->getName().c_str());
}
}

2
tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIPageViewTest/UIPageViewTest.h
View File

@ -38,7 +38,7 @@ public:
~UIPageViewTest();
virtual bool init() override;
void pageViewEvent(cocos2d::Ref* sender, cocos2d::ui::PageView::EventType type);
void pageViewEvent(cocos2d::Ref* sender, cocos2d::ui::PageViewEventType type);
protected: