Method update

source/windowing/StarVerticalLayout.cpp:12–55

}

void VerticalLayout::update(float) {
  m_size = Vec2I(0, 0);

  if (m_members.empty())
    return;

  for (auto const& child : m_members) {
    auto childSize = child->size();
    m_size[1] += childSize[1];
    m_size[0] = max(m_size[0], childSize[0]);
  }
  m_size[1] += (m_members.size() - 1) * m_verticalSpacing;

  auto bounds = contentBoundRect();

  int verticalPos = m_fillDown ? bounds.yMax() : bounds.yMin();
  for (auto const& child : reverseIterate(m_members)) {
    auto childSize = child->size();

    Vec2I targetPosition;

    if (m_horizontalAnchor == HorizontalAnchor::LeftAnchor)
      targetPosition[0] = bounds.xMin();
    else if (m_horizontalAnchor == HorizontalAnchor::RightAnchor)
      targetPosition[0] = bounds.xMax() - childSize[0];
    else if (m_horizontalAnchor == HorizontalAnchor::HMidAnchor)
      targetPosition[0] = -childSize[0] / 2;

    if (m_fillDown) {
      verticalPos -= childSize[1];
      targetPosition[1] = verticalPos;
      verticalPos -= m_verticalSpacing;
    } else {
      targetPosition[1] = verticalPos;
      verticalPos -= childSize[1];
      verticalPos -= m_verticalSpacing;
    }

    // needed because position is included in relativeBoundRect
    child->setPosition(Vec2I(0, 0));

    child->setPosition(targetPosition - child->relativeBoundRect().min());
  }
}

Vec2I VerticalLayout::size() const {
  return m_size;