examples/component/menu_entries.cpp

#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
using namespace ftxui;
 
// Define a special style for some menu entry.
MenuEntryOption Colored(ftxui::Color c) {
  MenuEntryOption special_style;
  special_style.style_normal = Decorator(color(c));
  special_style.style_focused = Decorator(color(c)) | inverted;
  special_style.style_selected = Decorator(color(c)) | bold;
  special_style.style_selected_focused = Decorator(color(c)) | inverted | bold;
  return special_style;
}
 
int main(int argc, const char* argv[]) {
  auto screen = ScreenInteractive::TerminalOutput();
 
    //Black        = 0,
    //Red          = 1,
    //Green        = 2,
    //Yellow       = 3,
    //Blue         = 4,
    //Magenta      = 5,
    //Cyan         = 6,
    //GrayLight    = 7,
    //GrayDark     = 8,
    //RedLight     = 9,
    //GreenLight   = 10,
    //YellowLight  = 11,
    //BlueLight    = 12,
    //MagentaLight = 13,
    //CyanLight    = 14,
    //White        = 15,
 
  int selected = 0;
  auto menu = Container::Vertical(
      {
          MenuEntry(" 1. improve"),
          MenuEntry(" 2. tolerant"),
          MenuEntry(" 3. career"),
          MenuEntry(" 4. cast"),
          MenuEntry(" 5. question"),
 
          Renderer([] { return separator(); }),
 
          MenuEntry(" 6. rear", Colored(Color::Red)),
          MenuEntry(" 7. drown", Colored(Color::Yellow)),
          MenuEntry(" 8. nail", Colored(Color::Green)),
          MenuEntry(" 9. quit", Colored(Color::Cyan)),
          MenuEntry("10. decorative", Colored(Color::Blue)),
 
          Renderer([] { return separator(); }),
 
          MenuEntry("11. costume"),
          MenuEntry("12. pick"),
          MenuEntry("13. oral"),
          MenuEntry("14. minister"),
          MenuEntry("15. football"),
          MenuEntry("16. welcome"),
          MenuEntry("17. copper"),
          MenuEntry("18. inhabitant"),
          MenuEntry("19. fortune"),
      },
      &selected);
 
  // Display together the menu with a border
  auto renderer = Renderer(menu, [&] {
    return vbox({
               hbox(text("selected = "), text(std::to_string(selected))),
               separator(),
               menu->Render() | frame | size(HEIGHT, LESS_THAN, 10),
           }) |
           border;
  });
 
  screen.Loop(renderer);
 
  std::cout << "Selected element = " << selected << std::endl;
}
 
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.