Cocos2d-x LayoutComponent的使用

void touchEvent(Ref *pSender, cocos2d::ui::Widget::TouchEventType type);

cocos2d::LayerColor* _baseLayer;

void HelloWorld::init2();

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Size widgetSize = Director::getInstance()->getVisibleSize();

_baseLayer = LayerColor::create();

_baseLayer->setColor(Color3B(50, 100, 0));

_baseLayer->setOpacity(100);

_baseLayer->setContentSize(Size(200, 200));

this->addChild(_baseLayer);

Button* button = Button::create("animationbuttonnormal.png");

CCLOG("content size should be greater than 0: width = %f, height = %f", button->getContentSize().width,

button->getContentSize().height);

button->setPosition(Vec2(widgetSize.width / 2.0f, widgetSize.height / 2.0f));

button->addTouchEventListener(CC_CALLBACK_2(HelloWorld::touchEvent, this));

button->setZoomScale(0.4f);

button->setPressedActionEnabled(true);

this->addChild(button);

void HelloWorld::touchEvent(Ref *pSender, Widget::TouchEventType type)

{

switch (type)

{

case Widget::TouchEventType::BEGAN:

break;

case Widget::TouchEventType::MOVED:

break;

case Widget::TouchEventType::ENDED:

{

Size widgetSize = Director::getInstance()->getVisibleSize();

Size layerSize = Size(300,200);

if (layerSize.width == widgetSize.width && layerSize.height == widgetSize.height)

_baseLayer->setContentSize(Size(200, 200));

else

_baseLayer->setContentSize(widgetSize);

//ui:Helper::doLayout(_baseLayer);

init2();

}

break;

case Widget::TouchEventType::CANCELED:

break;

default:

break;

}

}

void HelloWorld::init2()

{

Sprite* leftTopSprite = Sprite::create("CloseSelected.png");

LayoutComponent* leftTop = LayoutComponent::bindLayoutComponent(leftTopSprite);

leftTop->setHorizontalEdge(LayoutComponent::HorizontalEdge::Left);

leftTop->setVerticalEdge(LayoutComponent::VerticalEdge::Top);

_baseLayer->addChild(leftTopSprite);

Sprite* leftBottomSprite = Sprite::create("CloseSelected.png");

LayoutComponent* leftBottom = LayoutComponent::bindLayoutComponent(leftBottomSprite);

leftBottom->setHorizontalEdge(LayoutComponent::HorizontalEdge::Left);

leftBottom->setVerticalEdge(LayoutComponent::VerticalEdge::Bottom);

_baseLayer->addChild(leftBottomSprite);

Sprite* rightTopSprite = Sprite::create("CloseSelected.png");

LayoutComponent* rightTop = LayoutComponent::bindLayoutComponent(rightTopSprite);

rightTop->setHorizontalEdge(LayoutComponent::HorizontalEdge::Right);

rightTop->setVerticalEdge(LayoutComponent::VerticalEdge::Top);

_baseLayer->addChild(rightTopSprite);

Sprite* rightBottomSprite = Sprite::create("CloseSelected.png");

LayoutComponent* rightBottom = LayoutComponent::bindLayoutComponent(rightBottomSprite);

rightBottom->setHorizontalEdge(LayoutComponent::HorizontalEdge::Right);

rightBottom->setVerticalEdge(LayoutComponent::VerticalEdge::Bottom);

_baseLayer->addChild(rightBottomSprite);

ui::Helper::doLayout(_baseLayer);

}