examples/component/menu2.cpp

menu_entries

// 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.
#include <functional>  // for function
#include <iostream>  // for basic_ostream::operator<<, operator<<, endl, basic_ostream, basic_ostream<>::__ostream_type, cout, ostream
#include <memory>    // for allocator, shared_ptr, __shared_ptr_access
#include <string>  // for char_traits, to_string, operator+, string, basic_string
 
#include "ftxui/component/captured_mouse.hpp"  // for ftxui
#include "ftxui/component/component.hpp"  // for MenuEntry, Renderer, Vertical
#include "ftxui/component/component_base.hpp"      // for ComponentBase
#include "ftxui/component/component_options.hpp"   // for MenuEntryOption
#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
#include "ftxui/dom/elements.hpp"  // for operator|, Element, separator, text, hbox, size, frame, color, vbox, HEIGHT, LESS_THAN, bold, border, inverted
#include "ftxui/screen/color.hpp"  // for Color, Color::Blue, Color::Cyan, Color::Green, Color::Red, Color::Yellow
 
using namespace ftxui;
 
// Define a special style for some menu entry.
MenuEntryOption Colored(ftxui::Color c) {
  MenuEntryOption option;
  option.transform = [c](EntryState state) {
    state.label = (state.active ? "> " : "  ") + state.label;
    Element e = text(state.label) | color(c);
    if (state.focused)
      e = e | inverted;
    if (state.active)
      e = e | bold;
    return e;
  };
  return option;
}
 
int main() {
  auto screen = ScreenInteractive::TerminalOutput();
 
  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.
#include <functional>  // for function
#include <memory>      // for allocator, __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 Menu, Horizontal, Renderer
#include "ftxui/component/component_base.hpp"  // for ComponentBase
#include "ftxui/component/component_options.hpp"  // for MenuOption
#include "ftxui/component/screen_interactive.hpp"  // for Component, ScreenInteractive
#include "ftxui/dom/elements.hpp"  // for text, separator, bold, hcenter, vbox, hbox, gauge, Element, operator|, border
 
int main() {
  using namespace ftxui;
  auto screen = ScreenInteractive::TerminalOutput();
 
  std::vector<std::string> left_menu_entries = {
      "0%", "10%", "20%", "30%", "40%", "50%", "60%", "70%", "80%", "90%",
  };
  std::vector<std::string> right_menu_entries = {
      "0%", "1%", "2%", "3%", "4%", "5%", "6%", "7%", "8%", "9%", "10%",
  };
 
  auto menu_option = MenuOption();
  menu_option.on_enter = screen.ExitLoopClosure();
 
  int left_menu_selected = 0;
  int right_menu_selected = 0;
  Component left_menu_ =
      Menu(&left_menu_entries, &left_menu_selected, menu_option);
  Component right_menu_ =
      Menu(&right_menu_entries, &right_menu_selected, menu_option);
 
  Component container = Container::Horizontal({
      left_menu_,
      right_menu_,
  });
 
  auto renderer = Renderer(container, [&] {
    int sum = left_menu_selected * 10 + right_menu_selected;
    return vbox({
               // -------- Top panel --------------
               hbox({
                   // -------- Left Menu --------------
                   vbox({
                       hcenter(bold(text("Percentage by 10%"))),
                       separator(),
                       left_menu_->Render(),
                   }),
                   separator(),
                   // -------- Right Menu --------------
                   vbox({
                       hcenter(bold(text("Percentage by 1%"))),
                       separator(),
                       right_menu_->Render(),
                   }),
                   separator(),
               }),
               separator(),
               // -------- Bottom panel --------------
               vbox({
                   hbox({
                       text(" gauge : "),
                       gauge(sum / 100.0),
                   }),
                   hbox({
                       text("  text : "),
                       text(std::to_string(sum) + " %"),
                   }),
               }),
           }) |
           border;
  });
 
  screen.Loop(renderer);
}