Method index

qrenderdoc/Windows/EventBrowser.cpp:631–664

  // QAbstractItemModel methods

  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override
  {
    if(!m_Ctx.IsCaptureLoaded())
      return QModelIndex();

    // create fake root if the parent is invalid
    if(!parent.isValid())
      return createIndex(0, column, TagRoot);

    // if the parent is the root, return the index for the specified child if it's in bounds
    if(parent.internalId() == TagRoot)
    {
      // first child is the capture start
      if(row == 0)
        return createIndex(row, column, TagCaptureStart);

      // the rest are in the root action node
      return GetIndexForActionChildRow(m_Nodes[0], row, column);
    }
    else if(parent.internalId() == TagCaptureStart)
    {
      // no children for this
      return QModelIndex();
    }
    else
    {
      // otherwise the parent is a real action
      auto it = m_Nodes.find(parent.internalId());
      if(it != m_Nodes.end())
        return GetIndexForActionChildRow(*it, row, column);
    }

    return QModelIndex();
  }

  QModelIndex parent(const QModelIndex &index) const override
  {