Method select

src/query.cpp:2806–2917

chdir one level down into the directory of the file located under the cursor or just above the screen

// chdir one level down into the directory of the file located under the cursor or just above the screen
void Query::select()
{
  if (!selected_file_.empty())
  {
    Screen::alert();
    return;
  }

  int ref = select_ >= 0 ? select_ : row_;

  // --tree: move down over non-filename lines to reach a filename
  if (flag_tree && (flag_files_with_matches || flag_count))
  {
    while (ref + 1 < rows_ && (view_[ref].empty() || view_[ref].front() != '\0'))
      ++ref;
  }
  else
  {
    // move down to skip empty lines
    while (ref + 1 < rows_ && view_[ref].empty())
      ++ref;
  }

  std::string pathname;
  bool found = false;

  // move up until a filename header is found
  while (ref >= 0 && !(found = find_filename(ref, pathname, false, true)))
    --ref;

  if (pathname.empty())
    found = false;

  if (found)
  {
    // cannot view standard input
    if (flag_stdin && pathname == flag_label)
    {
      message("cannot chdir to standard input");
      return;
    }

    if (globbing_)
    {
      globbing_ = false;

      memcpy(line_, temp_, sizeof(Line));
      len_ = line_len();
      move(len_);

      set_prompt();
    }

    if (history_.empty())
      files_.swap(Static::arg_files);

    history_.emplace();
    history_.top().save();