Combine canvas and other elements about ftxui HOT 6 CLOSED

#include <ftxui/component/component.hpp>
#include <ftxui/component/screen_interactive.hpp>
#include <ftxui/component/component_base.hpp>
#include <ftxui/dom/elements.hpp>
#include <ftxui/dom/node.hpp>
#include <ftxui/dom/canvas.hpp>
#include <iterator>
#include <string>
 
using namespace ftxui;
 
int main() {
    auto node1 = Renderer([] { return text("node1");});
    auto node2 = Renderer([] { return text("node2");});
    bool resize = false;

    int win1h = 3;
    int win1w = std::size(std::string("node1")) + 2;
    int win1x = 10, win1y = 5;
    int win2h = 3;
    int win2w = std::size(std::string("node2")) + 2;
    int win2x = 30, win2y = 5;

    auto win1 = Window({
        .inner = node1,
        .left = &win1x,
        .top = &win1y,
        .width = win1w,
        .height = win1h,
        .resize_left = resize, .resize_right = resize, .resize_top = resize, .resize_down = resize,
    });

    auto win2 = Window({
        .inner = node2,
        .left = &win2x,
        .top = &win2y,
        .width = win2w,
        .height = win2h,
        .resize_left = resize, .resize_right = resize, .resize_top = resize, .resize_down = resize,
    });

    auto edges = Renderer([&] {
        auto c = Canvas(400,400);
        int from_x = (win1x + win1w / 2) * 2;
        int from_y = (win1y + 3 / 2) * 4;
        int to_x = (win2x + win2w / 2) * 2;
        int to_y = (win2y + 3 / 2) * 4;
        c.DrawPointLine(from_x, from_y, to_x, to_y, Color::Red);
        return canvas(std::move(c));
    });

    auto window_container = Container::Stacked({
        win1,
        win2,
        edges,
    });

    auto screen = ScreenInteractive::Fullscreen();
    screen.Loop(window_container);

    return EXIT_SUCCESS;
}