Function forEachColorItem

src/colortable.cpp:160–169

template <class F>
void forEachColorItem(QTableWidget* table, F&& f)
{
  const auto rowCount = table->rowCount();

  for (int i = 0; i < rowCount; ++i) {
    if (auto* ci = colorItemForRow(table, i)) {
      f(ci);
    }
  }
}

void paintBackground(QTableWidget* table, QPainter* p,
                     const QStyleOptionViewItem& option, const QModelIndex& index)