Method selectChild

src/controls/manual_node.cpp:130–216

}

uint8_t ManualSelectorNode::selectChild() const
{
  const size_t children_count = children_nodes_.size();

  std::vector<std::string> list;
  list.reserve(children_count);
  for(const auto& child : children_nodes_)
  {
    list.push_back(child->name());
  }

  size_t width = 10;
  for(const auto& str : list)
  {
    width = std::max(width, str.size() + 2);
  }

  WINDOW* win = nullptr;
  initscr();
  cbreak();

  win = newwin(static_cast<int>(children_count) + 6, 70, 1, 1);  // create a new window

  mvwprintw(win, 0, 0, "Use UP/DOWN arrow to select the child, Enter to confirm.");
  mvwprintw(win, 1, 0, "Press: S to skip and return SUCCESSFUL,");
  mvwprintw(win, 2, 0, "       F to skip and return FAILURE, or");
  mvwprintw(win, 3, 0, "       R to skip and return RUNNING.");

  // now print all the menu items and highlight the first one
  for(size_t i = 0; i < list.size(); i++)
  {
    mvwprintw(win, static_cast<int>(i) + 5, 0, "%2zu. %s", i + 1, list[i].c_str());
  }

  wrefresh(win);      // update the terminal screen
  noecho();           // disable echoing of characters on the screen
  keypad(win, TRUE);  // enable keyboard input for the window.
  curs_set(0);        // hide the default screen cursor.

  uint8_t row = 0;
  int ch = 0;
  while(true)
  {
    // right pad with spaces to make the items appear with even width.
    wattroff(win, A_STANDOUT);
    mvwprintw(win, row + 5, 4, "%s", list[row].c_str());
    // use a variable to increment or decrement the value based on the input.
    if(ch == KEY_DOWN)
    {
      row = (row == children_count - 1) ? 0 : row + 1;
    }
    else if(ch == KEY_UP)
    {
      row = (row == 0) ? (children_count - 1) : row - 1;
    }
    else if(ch == KEY_ENTER || ch == 10)
    {
      break;