Method RestackOverlays

Modules/QtOverlays/src/QmitkOverlayController.cpp:405–467

}

void QmitkOverlayController::RestackOverlays(QmitkOverlay::DisplayPosition pos)
{
  OverlayVector::iterator overlayIter;
  QBoxLayout *layout = dynamic_cast<QBoxLayout *>(m_PositionedOverlays[pos]->layout());

  std::sort(m_AllOverlays.begin(), m_AllOverlays.end());

  for (overlayIter = m_AllOverlays.begin(); overlayIter != m_AllOverlays.end(); overlayIter++)
  {
    // do nothing if the overlay is not in the right position
    if ((*overlayIter)->GetPosition() != pos)
    {
      continue;
    }

    // determine the desired stacking layer
    // if the overlay-container is empty, simply append the overlay to the list
    // if it's not empty, use the layer of the overlay
    unsigned int layer = (*overlayIter)->GetLayer();
    int stackLayer = 0;
    if (!layout->isEmpty())
    {
      stackLayer = layer;
    }

    switch (pos)
    {
      // same alignment for all lefts, ...
      case QmitkOverlay::top_Left:
      {
      }
      case QmitkOverlay::middle_Left:
      {
      }
      case QmitkOverlay::bottom_Left:
      {
        layout->insertWidget(stackLayer, (*overlayIter)->GetWidget(), 0, Qt::AlignLeft);
        break;
      }
      // ... for all centers, ...
      case QmitkOverlay::top_Center:
      {
      }
      case QmitkOverlay::bottom_Center:
      {
        layout->insertWidget(stackLayer, (*overlayIter)->GetWidget(), 0, Qt::AlignCenter);
        break;
      }
      // ... and for all rights
      case QmitkOverlay::top_Right:
      {
      }
      case QmitkOverlay::middle_Right:
      {
      }
      case QmitkOverlay::bottom_Right:
      {
        layout->insertWidget(stackLayer, (*overlayIter)->GetWidget(), 0, Qt::AlignRight);