从零开始学习cocoStudio(3)--GUI学习(续)

GUI学习(续)


6.加载进度条


6.1  示例 


从零开始学习cocoStudio(3)--GUI学习(续)_第1张图片


6.2  代码

    scheduleUpdate();
    UILoadingBar* loadingBar = UILoadingBar::create();
    loadingBar->setName("LoadingBar");
    loadingBar->loadTexture("cocosgui/sliderProgress.png");
    loadingBar->setPercent(0);
    
    //LoadingBarTypeLeft 从左向右,LoadingBarTypeRight  从右向左
    loadingBar->setDirection(LoadingBarTypeRight);
    loadingBar->setPosition(ccp(widgetSize.width / 2.0f, widgetSize.height / 2.0f + loadingBar->getSize().height / 4.0f));
    m_pUiLayer->addWidget(loadingBar);
    定时器监听

void HelloWorld::update(float delta)
{
    m_nCount++;
    if (m_nCount > 100)
    {
        //unscheduleUpdate();
        m_nCount = 0;
    }
    
    UILoadingBar* loadingBar = dynamic_cast<UILoadingBar*>(m_pUiLayer->getWidgetByName("LoadingBar"));
    loadingBar->setPercent(m_nCount);
}

7.滚动视图


7.1  示例


从零开始学习cocoStudio(3)--GUI学习(续)_第2张图片


7.2  代码

    UIScrollView* scrollView = UIScrollView::create();
    scrollView->setDirection(SCROLLVIEW_DIR_BOTH);
    scrollView->setTouchEnabled(true);
    scrollView->setBounceEnabled(true);
    scrollView->setSize(CCSizeMake(280, 150));
    CCSize backgroundSize = m_pUiLayer->getContentSize();
    scrollView->setPosition(ccp((widgetSize.width - backgroundSize.width) / 2 +
                                (backgroundSize.width - scrollView->getSize().width) / 2,
                                (widgetSize.height - backgroundSize.height) / 2 +
                                (backgroundSize.height - scrollView->getSize().height) / 2));
    m_pUiLayer->addWidget(scrollView);
    
    UIImageView* imageView = UIImageView::create();
    imageView->loadTexture("cocosgui/ccicon.png");
    
    float innerWidth = scrollView->getSize().width;
    float innerHeight = scrollView->getSize().height + imageView->getSize().height;
    
    scrollView->setInnerContainerSize(CCSizeMake(innerWidth, innerHeight));         //显示范围
    
    UIButton* button = UIButton::create();
    button->setTouchEnabled(true);
    button->loadTextures("cocosgui/animationbuttonnormal.png", "cocosgui/animationbuttonpressed.png", "");
    button->setPosition(ccp(innerWidth / 2, scrollView->getInnerContainerSize().height - button->getSize().height / 2));
    button->addTouchEventListener(this, toucheventselector(HelloWorld::touchEvent));
    scrollView->addChild(button);
    
    UIButton* titleButton = UIButton::create();
    titleButton->setTouchEnabled(true);
    titleButton->loadTextures("cocosgui/backtotopnormal.png", "cocosgui/backtotoppressed.png", "");
    titleButton->setTitleText("Title Button");
    titleButton->setPosition(ccp(innerWidth / 2, button->getBottomInParent() - button->getSize().height));
    scrollView->addChild(titleButton);

    UIButton* button_scale9 = UIButton::create();
    button_scale9->setTouchEnabled(true);
    button_scale9->setScale9Enabled(true);
    button_scale9->loadTextures("cocosgui/button.png", "cocosgui/buttonHighlighted.png", "");
    button_scale9->setSize(CCSizeMake(100, button_scale9->getContentSize().height));
    button_scale9->setPosition(ccp(innerWidth / 2, titleButton->getBottomInParent() - titleButton->getSize().height));
    scrollView->addChild(button_scale9);
    
    imageView->setPosition(ccp(innerWidth / 2, imageView->getSize().height / 2));
    scrollView->addChild(imageView);
注:   scrollView->setDirection(SCROLLVIEW_DIR_BOTH);  //设置滚动方向

参数如下:

            从零开始学习cocoStudio(3)--GUI学习(续)_第3张图片


8.listView


8.1  示例


从零开始学习cocoStudio(3)--GUI学习(续)_第4张图片


8.2  代码

    //滚动列表
    CCArray *m_array = CCArray::create();
    CC_SAFE_RETAIN(m_array);
    for (int i = 0; i < 20; ++i)
    {
        CCString* ccstr = CCString::createWithFormat("listview_item_%d", i);
        m_array->addObject(ccstr);
    }
    // Create the list view
    UIListView* listView = UIListView::create();
    CCSize backgroundSize = m_pUiLayer->getContentSize();
    // set list view direction
    listView->setDirection(SCROLLVIEW_DIR_BOTH);
    listView->setTouchEnabled(true);
    listView->setBounceEnabled(true);
    listView->setBackGroundImage("cocosgui/green_edit.png");
    listView->setBackGroundImageScale9Enabled(true);
    listView->setSize(CCSizeMake(240, 130));
    listView->setPosition(ccp((widgetSize.width - backgroundSize.width) / 2 +
                              (backgroundSize.width - listView->getSize().width) / 2,
                              (widgetSize.height - backgroundSize.height) / 2 +
                              (backgroundSize.height - listView->getSize().height) / 2));
    listView->addEventListenerListView(this, listvieweventselector(HelloWorld::selectedItemEvent));
    m_pUiLayer->addWidget(listView);
    
    // create model
    UIButton* default_button = UIButton::create();
    default_button->setName("TextButton");
    default_button->setTouchEnabled(true);
    default_button->loadTextures("cocosgui/backtotoppressed.png", "cocosgui/backtotopnormal.png", "");

    Layout* default_item = Layout::create();
    default_item->setTouchEnabled(true);
    default_item->setSize(default_button->getSize());
    default_button->setPosition(ccp(default_item->getSize().width / 2, default_item->getSize().height / 2));
    default_item->addChild(default_button);

      // set model
    listView->setItemModel(default_item);
    int count = m_array->count();
    for (int i = 0; i < count / 4; ++i)
    {
        listView->pushBackDefaultItem();
    }
    // insert default item
    for (int i = 0; i < count / 4; ++i)
    {
        listView->insertDefaultItem(0);
    }

    // add custom item
    for (int i = 0; i < count / 4; ++i)
    {
        UIButton* custom_button = UIButton::create();
        custom_button->setName("TextButton");
        custom_button->setTouchEnabled(true);
        custom_button->loadTextures("cocosgui/button.png", "cocosgui/buttonHighlighted.png", "");
        custom_button->setScale9Enabled(true);
        custom_button->setSize(default_button->getSize());
        
        Layout *custom_item = Layout::create();
        custom_item->setSize(custom_button->getSize());
        custom_button->setPosition(ccp(custom_item->getSize().width / 2, custom_item->getSize().height / 2));
        custom_item->addChild(custom_button);
        
        listView->pushBackCustomItem(custom_item);
    }

    // insert custom item
    CCArray *items = listView->getItems();
    int items_count = items->count();
    for (int i = 0; i < count / 4; ++i)
    {
        UIButton* custom_button = UIButton::create();
        custom_button->setName("TextButton");
        custom_button->setTouchEnabled(true);
        custom_button->loadTextures("cocosgui/button.png", "cocosgui/buttonHighlighted.png", "");
        custom_button->setScale9Enabled(true);
        custom_button->setSize(default_button->getSize());
        
        Layout *custom_item = Layout::create();
        custom_item->setSize(custom_button->getSize());
        custom_button->setPosition(ccp(custom_item->getSize().width / 2, custom_item->getSize().height / 2));
        custom_item->addChild(custom_button);
        
        listView->insertCustomItem(custom_item, items_count);
    }

    // set item data
    items_count = items->count();
    for (int i = 0; i < items_count; ++i)
    {
        UIWidget *item = listView->getItem(i);
        UIButton *button = static_cast<UIButton*>(item->getChildByName("TextButton"));
        int index = listView->getIndex(item);
        button->setTitleText(static_cast<CCString*>(m_array->objectAtIndex(index))->getCString());
    }
    
    // remove last item
    listView->removeLastItem();
    
    // remove item by index
    items_count = items->count();
    listView->removeItem(items_count - 2);
    
    // set all items layout gravity
    listView->setGravity(LISTVIEW_GRAVITY_CENTER_VERTICAL);

注:  

    listView->setGravity(LISTVIEW_GRAVITY_CENTER_VERTICAL);  //设置列表重心,我个人理解是对齐方式

    listView->setDirection(SCROLLVIEW_DIR_BOTH);     //滚动方向


            从零开始学习cocoStudio(3)--GUI学习(续)_第5张图片


9.页面切换


9.1  示例:


从零开始学习cocoStudio(3)--GUI学习(续)_第6张图片


9.2  代码:

    UIPageView* pageView = UIPageView::create();
    pageView->setTouchEnabled(true);
    pageView->setSize(CCSizeMake(240, 130));
    CCSize backgroundSize = m_pUiLayer->getContentSize();
    pageView->setPosition(ccp((widgetSize.width - backgroundSize.width) / 2 +
                              (backgroundSize.width - pageView->getSize().width) / 2,
                              (widgetSize.height - backgroundSize.height) / 2 +
                              (backgroundSize.height - pageView->getSize().height) / 2));
    
    for (int i = 0; i < 3; ++i)
    {
        UILayout* layout = UILayout::create();
        layout->setSize(CCSizeMake(240, 130));
        
        UIImageView* imageView = UIImageView::create();
        imageView->setTouchEnabled(true);
        imageView->setScale9Enabled(true);
        imageView->loadTexture("cocosgui/scrollviewbg.png");
        imageView->setSize(CCSizeMake(240, 130));
        imageView->setPosition(ccp(layout->getSize().width / 2, layout->getSize().height / 2));
        layout->addChild(imageView);
        
        UILabel* label = UILabel::create();
        label->setText(CCString::createWithFormat("page %d", (i + 1))->getCString());
        label->setFontName("Marker Felt");
        label->setFontSize(30);
        label->setColor(ccc3(192, 192, 192));
        label->setPosition(ccp(layout->getSize().width / 2, layout->getSize().height / 2));
        layout->addChild(label);
        
        pageView->addPage(layout);
    }
    pageView->addEventListenerPageView(this, pagevieweventselector(HelloWorld::pageViewEvent));
    
    m_pUiLayer->addWidget(pageView);

    事件响应:

void HelloWorld::pageViewEvent(CCObject *pSender, PageViewEventType type)
{
    switch (type)
    {
        case PAGEVIEW_EVENT_TURNING:
        {
            UIPageView* pageView = dynamic_cast<UIPageView*>(pSender);
            
            m_pDisplayValueLabel->setText(CCString::createWithFormat("page = %d", pageView->getCurPageIndex() + 1)->getCString());
        }
            break;
            
        default:
            break;
    }
}

    本人参考cocos2d-x 2.2.2 testcpp的例子实现,有关绑定控件实现也是类似的。

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