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C++ MythRect::united方法代码示例

本文整理汇总了C++中MythRect::united方法的典型用法代码示例。如果您正苦于以下问题:C++ MythRect::united方法的具体用法?C++ MythRect::united怎么用?C++ MythRect::united使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MythRect的用法示例。


在下文中一共展示了MythRect::united方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: SetMinAreaParent

/**
 * Adjust the size of sibling objects within the button.
 */
void MythUIType::SetMinAreaParent(MythRect actual_area, MythRect allowed_area,
                                  const MythUIType *calling_child)
{
    int delta_x = 0, delta_y = 0;
    MythRect area;

    // If a minsize is not set, don't use MinArea
    if (!m_MinSize.isValid())
        return;

    m_MinArea.setWidth(0);

    if (m_Area.width() < m_NormalSize.width())
        m_Area.setWidth(m_NormalSize.width());

    if (m_Area.height() < m_NormalSize.height())
        m_Area.setHeight(m_NormalSize.height());

    if (calling_child->m_Vanished)
    {
        actual_area.moveLeft(0);
        actual_area.moveTop(0);
        allowed_area.moveLeft(0);
        allowed_area.moveTop(0);
    }

    actual_area.translate(m_Area.topLeft());
    allowed_area.translate(m_Area.topLeft());

    QList<MythUIType *>::iterator it;

    for (it = m_ChildrenList.begin(); it != m_ChildrenList.end(); ++it)
    {
        if (*it == calling_child || !(*it)->m_Initiator)
            continue;

        // Find union of area(s)
        area = (*it)->GetArea();
        area.translate(m_Area.topLeft());
        actual_area = actual_area.united(area);

        area = (*it)->m_Area;
        area.translate(m_Area.topLeft());
        allowed_area = allowed_area.united(area);
    }

    // Make sure it is not larger than the area allowed
    actual_area = actual_area.intersected(m_Area);
    allowed_area = allowed_area.intersected(m_Area);

    if (m_Vanish && actual_area.size().isNull())
    {
        m_Vanished = true;
    }
    else
    {
        if (calling_child->m_Vanished)
        {
            delta_x = (actual_area.x() + actual_area.width()) -
                      (m_Area.x() + m_Area.width());
            delta_y = (actual_area.y() + actual_area.height()) -
                      (m_Area.y() + m_Area.height());
        }
        else
        {
            delta_x = (actual_area.x() + actual_area.width()) -
                      (allowed_area.x() + allowed_area.width());
            delta_y = (actual_area.y() + actual_area.height()) -
                      (allowed_area.y() + allowed_area.height());
        }

        m_Vanished = false;
    }

    for (it = m_ChildrenList.begin(); it != m_ChildrenList.end(); ++it)
    {
        if (*it == calling_child)
            continue;

        if (!(*it)->m_Initiator)
        {
            if (m_Vanished)
                (*it)->VanishSibling();
            else
                (*it)->AdjustMinArea(delta_x, delta_y);
        }

        area = (*it)->GetArea();
        area.translate(m_Area.topLeft());
        actual_area = actual_area.united(area);
    }

    QSize bound(actual_area.width(), actual_area.height());

    if (m_Vanished)
    {
        m_MinArea.moveLeft(0);
//.........这里部分代码省略.........
开发者ID:gdenning,项目名称:mythtv,代码行数:101,代码来源:mythuitype.cpp


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