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Cocos2d-x3.3Final(1) ListView常用成员函数(C++)

ListView listView = ListView::create(); --创建列表

listView->setDirection(ui::ScrollView::Direction::VERTICAL);--设置列表方向

listView->setBounceEnabled(true); --设置弹力

listView->setBackGroundImage("cocosui/green_edit.png");--设置背景图片

listView->setBackGroundImageScale9Enabled(true);--设置是否允许九宫格

listView->setContentSize(Size(240, 130); --设置大小

listView->setPosition(Vec2());

listView->addEventListener((ui::ListView::ccListViewCallback)CC_CALLBACK_2(类名::回调函数1, this));//注册事件处理函数

listView->addEventListener((ui::ListView::ccScrollViewCallback)CC_CALLBACK_2(类名:回调函数2, this)); //注册事件处理函数

void 类名::回调函数1(Ref * pSender,  ListView::EventType type) --注意这里的参数类型

{

switch (type)

{

case cocos2d::ui::ListView::EventType::ON_SELECTED_ITEM_START:

ListView * listView = static_cast(ListView *)(pSender);

listView->getCurSelectedIndex();

break;

case cocs2d::ui::ListView::EventType::ON_SELECTED_ITEM_END:

ListView * listView = static_cast(ListView *)(pSender);

listView->getCurSelectedIndex();

break;

default:

break;

}

}


void 类名::回调函数2(Ref * pSender, ui::ScrollView::EventType type)

{

switch (type)

{

case ui::ScrollView::EventType::SCROLL_TO_BOTTOM:

break;

case ui::ScrollView::EventType::SCROLL_TO_TOP:

break;

default:

break;

}

}


Layout * default _item = Layout::create(); //创建模型

listView->setItemModel(default_item); //设置模型


listView->pushBackDefaultItem(); //添加默认元素

listView->insertDefaultItem(index); //插入默认元素

Layout * custom_item = Layout::create();

listView->addChild(custom_item); //添加常规元素

listView->insertCustomItem(custom_item, index) //插入常规元素

Vector<Widget*>& items = listView->getItems(); //返回保存元素的容器

Widget* item = listView->getItem(i); //获取某个索引的元素

ssize_t index = listView->getIndex(item); //获取某个元素的索引

listView->removeChildByTag(1); //继承自CCNode的函数

listView->removeItem(items_count - 1); //删除某个索引的元素

listView->setGravity(ListView::Gravity::CENTER_VERTICAL); //设置重力

listView->setItemsMargin(2.0f); //改变两个元素之间的边界



Cocos2d-x3.3Final(1) ListView常用成员函数(C++)