examples/component/collapsible.cpp

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// 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 <memory>   // for allocator, make_shared, __shared_ptr_access
#include <utility>  // for move
#include <vector>   // for vector
 
#include "ftxui/component/app.hpp"             // for Component, App
#include "ftxui/component/captured_mouse.hpp"  // for ftxui
#include "ftxui/component/component.hpp"  // for Collapsible, Renderer, Vertical
#include "ftxui/component/component_base.hpp"  // for ComponentBase
#include "ftxui/dom/elements.hpp"              // for text, hbox, Element
 
using namespace ftxui;
 
// コンポーネントのリストを受け取り、それらを縦に表示します。1つの列は
// 右にずらされます。
Component Inner(std::vector<Component> children) {
  Component vlist = Container::Vertical(std::move(children));
  return Renderer(vlist, [vlist] {
    return hbox({
        text(" "),
        vlist->Render(),
    });
  });
}
 
Component Empty() {
  return std::make_shared<ComponentBase>();
}
 
int main() {
  auto component =
      Collapsible("Collapsible 1",
                  Inner({
                      Collapsible("Collapsible 1.1",
                                  Inner({
                                      Collapsible("Collapsible 1.1.1", Empty()),
                                      Collapsible("Collapsible 1.1.2", Empty()),
                                      Collapsible("Collapsible 1.1.3", Empty()),
                                  })),
                      Collapsible("Collapsible 1.2",
                                  Inner({
                                      Collapsible("Collapsible 1.2.1", Empty()),
                                      Collapsible("Collapsible 1.2.2", Empty()),
                                      Collapsible("Collapsible 1.2.3", Empty()),
                                  })),
                      Collapsible("Collapsible 1.3",
                                  Inner({
                                      Collapsible("Collapsible 1.3.1", Empty()),
                                      Collapsible("Collapsible 1.3.2", Empty()),
                                      Collapsible("Collapsible 1.3.3", Empty()),
                                  })),
                  }));
 
  App::FitComponent().Loop(component);
}