C++ (Cpp) MythGenericTree::getSelectedChild Beispiele

Beispiel #1

/*!
 * \brief Update the widget following a change
 */
void MythUIButtonTree::SetTreeState(bool refreshAll)
{
    if (!m_initialized)
        Init();

    if (!m_rootNode)
        return;

    if (!m_currentNode)
        DoSetCurrentNode(m_rootNode->getSelectedChild());

    QList<MythGenericTree *> route = m_currentNode->getRoute();

    // Sanity Checks
    if (m_depthOffset >= route.size())
        m_depthOffset = 0;

    if (((int)m_currentDepth + m_depthOffset) >= route.size())
        m_currentDepth = 0;

    MythGenericTree *node = route.at(m_currentDepth + m_depthOffset);

    if (m_currentDepth != m_oldDepth)
        refreshAll = true;

    m_oldDepth = m_currentDepth;

    m_visibleLists = 0;
    uint listid = 0;

    while (listid < m_buttonlists.count())
    {
        MythUIButtonList *list = m_buttonlists.at(listid);

        list->SetVisible(false);
        list->SetActive(false);

        MythGenericTree *selectedNode = NULL;

        if (node)
            selectedNode = node->getSelectedChild(true);

        if (refreshAll || m_activeListID < listid)
        {
            if (!UpdateList(list, node))
            {
                listid++;
                continue;
            }
        }

        if (m_active && (listid == m_activeListID))
        {
            m_activeList = list;
            list->SetActive(true);
            DoSetCurrentNode(selectedNode);
            emit itemSelected(list->GetItemCurrent());
        }

        listid++;

        list->SetVisible(true);
        m_visibleLists++;

        node = selectedNode;
    }
}