examples/component/menu.cpp

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// 版权所有 2020 Arthur Sonzogni. 保留所有权利。
// 本源代码的使用受 MIT 许可证的约束，该许可证可在 LICENSE 文件中找到。
#include <functional>  // for function
#include <iostream>  // for basic_ostream::operator<<, operator<<, endl, basic_ostream, basic_ostream<>::__ostream_type, cout, ostream
#include <string>    // for string, basic_string, allocator
#include <vector>    // for vector
 
#include "ftxui/component/captured_mouse.hpp"      // for ftxui
#include "ftxui/component/component.hpp"           // for Menu
#include "ftxui/component/component_options.hpp"   // for MenuOption
#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
 
int main() {
  using namespace ftxui;
  auto screen = ScreenInteractive::TerminalOutput();
 
  std::vector<std::string> entries = {
      "entry 1",
      "entry 2",
      "entry 3",
  };
  int selected = 0;
 
  MenuOption option;
  option.on_enter = screen.ExitLoopClosure();
  auto menu = Menu(&entries, &selected, option);
 
  screen.Loop(menu);
 
  std::cout << "Selected element = " << selected << std::endl;
}