FTXUI/examples/dom/hflow.cpp

#include <iostream>

#include "ftxui/dom/elements.hpp"
#include "ftxui/screen/screen.hpp"
#include "ftxui/screen/string.hpp"

int main(int argc, const char* argv[]) {
  using namespace ftxui;
  auto make_box = [](size_t dimx, size_t dimy) {
    std::wstring title = to_wstring(dimx) + L"x" + to_wstring(dimy);
    // clang-format off
    return window(text(title) | hcenter | bold,
                  text(L"content") | hcenter | dim) |
           size(WIDTH, EQUAL, dimx) | size(HEIGHT, EQUAL, dimy);
    // clang-format on
  };

  // clang-format off
  auto document =
      hflow(make_box(7, 7), make_box(7, 5), make_box(5, 7), make_box(10, 4),
            make_box(10, 4), make_box(10, 4), make_box(10, 4), make_box(11, 4),
            make_box(11, 4), make_box(11, 4), make_box(11, 4), make_box(12, 4),
            make_box(12, 5), make_box(12, 4), make_box(13, 4), make_box(13, 3),
            make_box(13, 3), make_box(10, 3))
      | size(WIDTH, GREATER_THAN, 20)
      | border
      | size(HEIGHT, GREATER_THAN, 30)
      | size(WIDTH, LESS_THAN, 50);
  // clang-format on

  auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
  Render(screen, document.get());
  std::cout << screen.ToString() << std::endl;

  return 0;
}