C++ MenuItemLabel::getContentSize方法代码示例

void BScene::showPauseMenu()
{
    //pause game and input
    Director::getInstance()->pause();
    playerLayer->stopMovement();
    keyHandler->disableByReceiver(playerLayer);
    
    Size windowSize = Director::getInstance()->getWinSize();
    
    overlay = new OverLayer();
    
    //create menu
    Menu* pMenu = Menu::create();
    
    //create menu items
    const Point origin = Director::getInstance()->getVisibleOrigin();
    
    MenuItemLabel* title;
    MenuItemLabel* exitGame;
    MenuItemLabel* levelSelect;
    MenuItemLabel* resume;
    
    //set up Main menu item
    resume = MenuItemLabel::create(LabelTTF::create("Resume", "Arial", 20),
                                   BScene::resumeCB);
    resume->setPosition(0,0);
    pMenu->addChild(resume);
    
    //set up Snake Mode item
    levelSelect = MenuItemLabel::create(LabelTTF::create("Level Select", "Arial", 20),
                                        BScene::levelSelectCB);
    levelSelect->setPosition(0, resume->getPosition().y + resume->getContentSize().height+10);
    pMenu->addChild(levelSelect);
    
    //set up Standard Mode item
    exitGame = MenuItemLabel::create(LabelTTF::create("Exit Game", "Arial", 20),
                                     BScene::exitGameCB);
    exitGame->setPosition(0, levelSelect->getPosition().y + levelSelect->getContentSize().height+10);
    pMenu->addChild(exitGame);
    
    //set up Title item
    title = MenuItemLabel::create(LabelTTF::create("Pause Menu", "Arial", 30));
    title->setPosition(0, exitGame->getPosition().y + exitGame->getContentSize().height+20);
    pMenu->addChild(title);
    
    //center the menu
    float heightofitems = exitGame->getBoundingBox().getMaxY() - resume->getBoundingBox().getMinY();
    pMenu->setPosition(origin.x + windowSize.width/2,
                       origin.y + windowSize.height/2 - heightofitems/2);
    
    overlay->initWithColorMenu( Color4B(0,0,0,150), pMenu);
    addChild(overlay,4);
    layerFocus = 1;
    
    overlay->release();
}

// on "init" you need to initialize your instance
bool Game::init() {
    if ( !LayerColor::init()) {//initWithColor(Color4B(255, 0, 0, 255)) ) {
        return false;
    }
    
    // add background music
    CocosDenshion::SimpleAudioEngine::getInstance()->playBackgroundMusic("action.mp3", true);
    
    // enable touch events
    setTouchEnabled(true);
    
    // get screen size
    Size screenSize = Director::getInstance()->getVisibleSize();

    // add menu button
    MenuItemLabel* menuItem = MainMenu::createButton("End Game", CC_CALLBACK_1(Game::menuCallback, this));
	menuItem->setPosition(Point(screenSize.width - menuItem->getContentSize().width/2 - Letter::PADDING,
                                menuItem->getContentSize().height/2 + Letter::PADDING));
    // create menu, it's an autorelease object
    auto menu = Menu::create(menuItem, NULL);
    menu->setPosition(Point::ZERO);
    this->addChild(menu, 1);
    
    // display score on the screen
    scoreLabel = LabelTTF::create("Score: 0", "Arial", 35);
    scoreLabel->setColor(Color3B(255, 255, 255));
    scoreLabel->setPosition(Point(Letter::PADDING + scoreLabel->getContentSize().width/2, screenSize.height-scoreLabel->getContentSize().height/2 - Letter::PADDING));
    this->addChild(scoreLabel, 1);
    
    // display moves on the screen
    movesLabel = LabelTTF::create("Moves: 20", "Arial", 35);
    movesLabel->setColor(Color3B(255, 255, 255));
    movesLabel->setPosition(Point(screenSize.width - movesLabel->getContentSize().width/2 - Letter::PADDING, screenSize.height - movesLabel->getContentSize().height/2 - Letter::PADDING));
    this->addChild(movesLabel, 1);
    
    // set number of moves
    moves = STARTING_MOVES;
    
    // create board
    Board board = Board(this);
    // whether a letter has been selected
    bool letterSelected = false;
    
    auto listener = EventListenerTouch::create(Touch::DispatchMode::ONE_BY_ONE);
    listener->setSwallowTouches(false);
    listener->onTouchBegan = [=](Touch* touch, Event* event) mutable {
        //log("touch began");
        Point location = touch->getLocation();//->getLocationInView();
        // TODO: Detect touches on labels
        for (int i = 0; i < Board::BOARD_SIZE; i++) {
            vector<Letter> row = board.letters[i];
            for (int j = 0; j < Board::BOARD_SIZE; j++) {
                Letter l = row[j];
                if (location.getDistance(l.posn) < 30) {
                    //log("touched %c", l.letter);
                    
                    l.label->setColor(cocos2d::Color3B(0, 255, 0));
                    
                    //cocos2d::log("letter selected %s, %c", letterSelected ? "true" : "false", board.selected.letter);
                    if (!letterSelected) {
                        // first letter selected
                        board.selected = l;
                        letterSelected = true;
                        //cocos2d::log("set selected to %c, %s", board.selected.letter, letterSelected ? "true" : "false");
                    } else if (board.selected != l) {
                        // second selected letter is not the same as first
                        board.letterSwap(l);
                        letterSelected = false;
                        UpdateScore();
                        UpdateMoves();
                    } else {
                        // same letter was selected
                        //cocos2d::log("you selected the same letter %c", board.selected.letter);
                        // set letterSelected to false
                        letterSelected = false;
                        // reset selected color
                        board.selected.label->setColor(cocos2d::Color3B(255, 255, 255));
                        // set selected letter to empty Letter
                        board.selected = Letter();
                    }
                    
                    return true;
                }
            }
        }
        return false;
    };
    
    // unused listeners
    //listener->onTouchMoved = [](Touch* touch, Event* event) { log("touch moved"); };
    //listener->onTouchEnded = [](Touch* touch, Event* event) { log("touch ended"); };
    //listener->onTouchCancelled = [](Touch* touch, Event* event) { log("touch canceled"); };
    
    // The priority of the touch listener is based on the draw order of sprite
    //EventDispatcher::getInstance()->addEventListenerWithSceneGraphPriority(listener, sprite);
    // Or the priority of the touch listener is a fixed value
    EventDispatcher::getInstance()->addEventListenerWithFixedPriority(listener, 100);
    
    return true;
//.........这里部分代码省略.........