src/menu.cpp


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#include "menu.h"

Menu::Menu(const std::vector<MenuBuilder>& builders) {
  items_.reserve(builders.size());

  for (const MenuBuilder& builder : builders) {
    items_.push_back(builder.Build());
  }
}

void Menu::moveCursorUp() {
  cursor_--;

  if (cursor_ < 0) {
    cursor_ = items_.size() - 1;
  }
}

void Menu::moveCursorDown() {
  cursor_++;

  if (cursor_ >= items_.size()) {
    cursor_ = 0;
  }
}