C++ (Cpp) getLayoutableChildNodes Exemples

Exemple #1

Fichier : YogaLayoutableShadowNode.cpp Projet : Vitiell0/react-native

void YogaLayoutableShadowNode::layoutChildren(LayoutContext layoutContext) {
  for (auto child : getLayoutableChildNodes()) {
    auto yogaLayoutableChild = std::dynamic_pointer_cast<const YogaLayoutableShadowNode>(child);
    if (!yogaLayoutableChild) {
      continue;
    }

    auto nonConstYogaLayoutableChild = std::const_pointer_cast<YogaLayoutableShadowNode>(yogaLayoutableChild);

    LayoutMetrics childLayoutMetrics = layoutMetricsFromYogaNode(nonConstYogaLayoutableChild->yogaNode_);
    nonConstYogaLayoutableChild->setLayoutMetrics(childLayoutMetrics);
  }
}

Exemple #2

Fichier : LayoutableShadowNode.cpp Projet : Ivanwangcy/react-native

void LayoutableShadowNode::layout(LayoutContext layoutContext) {
  layoutChildren(layoutContext);

  for (auto child : getLayoutableChildNodes()) {
    if (!child->getHasNewLayout()) {
      continue;
    }

    child->ensureUnsealed();
    child->setHasNewLayout(false);

    const LayoutMetrics childLayoutMetrics = child->getLayoutMetrics();
    if (childLayoutMetrics.displayType == DisplayType::None) {
      continue;
    }

    LayoutContext childLayoutContext = LayoutContext(layoutContext);
    childLayoutContext.absolutePosition += childLayoutMetrics.frame.origin;

    child->layout(layoutContext);
  }
}