Method Insert

src/toolbars/ToolDock.cpp:110–186

}

void ToolBarConfiguration::Insert(ToolBar *bar, Position position)
{
   if (position == UnspecifiedPosition) {
      // Add at the "end" of the layout
      // bottommost and rightmost
      Forest *pForest = &mForest;
      while (!pForest->empty())
         pForest = &pForest->back().children;
      pForest->push_back( Tree {} );
      pForest->back().pBar = bar;
   }
   else {
      // Insert at what depth?
      auto pForest = &mForest;
      if (position.rightOf) {
         const auto parent = FindPlace(position.rightOf);
         if (parent != end())
            // Insert among children of some node
            pForest = &parent->pTree->children;
      }
      else {
         // Insert a new root in the top forest
      }

      // Insert at what breadth?
      const auto begin = pForest->begin();
      auto iter = begin;
      const auto end = pForest->end();
      bool adopt = false;

      if (position.below) {
         iter = std::find_if(begin, end,
            [=](const Tree &tree){ return tree.pBar == position.below; }
         );
         if (iter != end) {
            ++iter;
            if (iter != end)
               adopt = true;
         }
         else
            // Not found, default to topmost
            iter = begin;
      }
      else
         // No previous sibling specified, so insert as first
         adopt = (iter != end);

      // Insert as a leaf, or as an internal node?
      if (adopt && position.adopt) {
         // Existing children of parent become grandchildren

         // Make NEW node
         Tree tree;
         tree.pBar = bar;

         // Do adoption
         const auto barHeight = bar->GetSize().GetY() + toolbarGap;
         auto totalHeight = 0;