message: Reimplement addItem(const Item&)
diff: @@ -156,7 +156,12 @@ void IconGrid::addItemSorted(const Item& item)
  void IconGrid::addItem(const Item& item)
  {
  - addItem(item.name, item.sheetId, item.meta);
  + mIconItemList.push_back(item);
  +
  + const int x_pos = (item.sheetId % (mIconSheet.size().x / mIconSize)) * mIconSize;
  + const int y_pos = (item.sheetId / (mIconSheet.size().x / mIconSize)) * mIconSize;
  +
  + mIconItemList.back().pos = {x_pos, y_pos};
  }
  