menu_in_frame.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 <memory>  // for shared_ptr, __shared_ptr_access
#include <string>  // for string, basic_string, operator+, to_string
#include <vector>  // for vector
 
#include "ftxui/component/captured_mouse.hpp"      // for ftxui
#include "ftxui/component/component.hpp"           // for Radiobox, Renderer
#include "ftxui/component/component_base.hpp"      // for ComponentBase
#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
#include "ftxui/dom/elements.hpp"  // for operator|, Element, size, border, frame, HEIGHT, LESS_THAN
 
using namespace ftxui;
 
int main() {
  std::vector<std::string> entries;
  int selected = 0;
 
  for (int i = 0; i < 30; ++i) {
    entries.push_back("Entry " + std::to_string(i));
  }
  auto radiobox = Menu(&entries, &selected);
  auto renderer = Renderer(radiobox, [&] {
    return radiobox->Render() | vscroll_indicator | frame |
           size(HEIGHT, LESS_THAN, 10) | border;
  });
 
  auto screen = ScreenInteractive::FitComponent();
  screen.Loop(renderer);
 
  return 0;
}