C++ Widget::getChildAt方法代码示例

void ItemView::layoutWidgets()
{
    if (!mScrollView->getChildCount())
        return;

    int x = 0;
    int y = 0;
    MyGUI::Widget* dragArea = mScrollView->getChildAt(0);
    int maxHeight = mScrollView->getHeight();

    int rows = maxHeight/42;
    rows = std::max(rows, 1);
    bool showScrollbar = int(std::ceil(dragArea->getChildCount()/float(rows))) > mScrollView->getWidth()/42;
    if (showScrollbar)
        maxHeight -= 18;

    for (unsigned int i=0; i<dragArea->getChildCount(); ++i)
    {
        MyGUI::Widget* w = dragArea->getChildAt(i);

        w->setPosition(x, y);

        y += 42;

        if (y > maxHeight-42 && i < dragArea->getChildCount()-1)
        {
            x += 42;
            y = 0;
        }
    }
    x += 42;

    MyGUI::IntSize size = MyGUI::IntSize(std::max(mScrollView->getSize().width, x), mScrollView->getSize().height);

    // Canvas size must be expressed with VScroll disabled, otherwise MyGUI would expand the scroll area when the scrollbar is hidden
    mScrollView->setVisibleVScroll(false);
    mScrollView->setVisibleHScroll(false);
    mScrollView->setCanvasSize(size);
    mScrollView->setVisibleVScroll(true);
    mScrollView->setVisibleHScroll(true);
    dragArea->setSize(size);
}

void ItemView::layoutWidgets()
{
    if (!mScrollView->getChildCount())
        return;

    int x = 0;
    int y = 0;
    int maxHeight = mScrollView->getSize().height - 58;

    MyGUI::Widget* dragArea = mScrollView->getChildAt(0);

    for (unsigned int i=0; i<dragArea->getChildCount(); ++i)
    {
        MyGUI::Widget* w = dragArea->getChildAt(i);

        w->setPosition(x, y);

        y += 42;
        if (y > maxHeight)
        {
            x += 42;
            y = 0;
        }
    }
    x += 42;

    MyGUI::IntSize size = MyGUI::IntSize(std::max(mScrollView->getSize().width, x), mScrollView->getSize().height);

    // Canvas size must be expressed with VScroll disabled, otherwise MyGUI would expand the scroll area when the scrollbar is hidden
    mScrollView->setVisibleVScroll(false);
    mScrollView->setVisibleHScroll(false);
    mScrollView->setCanvasSize(size);
    mScrollView->setVisibleVScroll(true);
    mScrollView->setVisibleHScroll(true);
    dragArea->setSize(size);
}

void ToolTips::onFrame(float frameDuration)
{
    while (mDynamicToolTipBox->getChildCount())
    {
        MyGUI::Gui::getInstance().destroyWidget(mDynamicToolTipBox->getChildAt(0));
    }

    // start by hiding everything
    for (unsigned int i=0; i < mMainWidget->getChildCount(); ++i)
    {
        mMainWidget->getChildAt(i)->setVisible(false);
    }

    const IntSize &viewSize = RenderManager::getInstance().getViewSize();

    if (!mEnabled)
    {
        return;
    }

    if (!mGameMode)
    {
        const MyGUI::IntPoint& mousePos = InputManager::getInstance().getMousePosition();

        if (mWindowManager->getWorldMouseOver() && ((mWindowManager->getMode() == GM_Console)
            || (mWindowManager->getMode() == GM_Container)
            || (mWindowManager->getMode() == GM_Inventory)))
        {
            std::string handle = MWBase::Environment::get().getWorld()->getFacedHandle();
            try
            {
                mFocusObject = MWBase::Environment::get().getWorld()->getPtrViaHandle(handle);
            }
            catch (std::exception& e)
            {
                return;
            }

            MyGUI::IntSize tooltipSize = getToolTipViaPtr(true);

            IntPoint tooltipPosition = InputManager::getInstance().getMousePosition() + IntPoint(0, 24);

            // make the tooltip stay completely in the viewport
            if ((tooltipPosition.left + tooltipSize.width) > viewSize.width)
            {
                tooltipPosition.left = viewSize.width - tooltipSize.width;
            }
            if ((tooltipPosition.top + tooltipSize.height) > viewSize.height)
            {
                tooltipPosition.top = viewSize.height - tooltipSize.height;
            }

            setCoord(tooltipPosition.left, tooltipPosition.top, tooltipSize.width, tooltipSize.height);
        }

        else
        {
            const MyGUI::IntPoint& lastPressed = InputManager::getInstance().getLastPressedPosition(MyGUI::MouseButton::Left);

            if (mousePos == lastPressed) // mouseclick makes tooltip disappear
                return;

            if (mousePos.left == mLastMouseX && mousePos.top == mLastMouseY)
            {
                mRemainingDelay -= frameDuration;
            }
            else
            {
                mRemainingDelay = mDelay;
            }
            mLastMouseX = mousePos.left;
            mLastMouseY = mousePos.top;

            if (mRemainingDelay > 0)
                return;

            Widget* focus = InputManager::getInstance().getMouseFocusWidget();
            if (focus == 0)
            {
                return;
            }

            IntSize tooltipSize;

            // try to go 1 level up until there is a widget that has tooltip
            // this is necessary because some skin elements are actually separate widgets
            int i=0;
            while (!focus->isUserString("ToolTipType"))
            {
                focus = focus->getParent();
                if (!focus)
                    return;
                ++i;
            }

            std::string type = focus->getUserString("ToolTipType");
            std::string text = focus->getUserString("ToolTipText");

            if (type == "")
            {
//.........这里部分代码省略.........