FTXUI

learn_ftxui.cpp

#include "ftxui/component/component.hpp"  // for Renderer, CatchEvent, Horizontal, Menu, Tab
#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
#include <ftxui/dom/elements.hpp>  // for canvas, Element, separator, hbox, operator|, border

int main()
{
  auto renderer_text = ftxui::Renderer([&] {
    auto c = ftxui::Canvas(100, 100);
    c.DrawText(0, 0, "A piece of text",
               [](ftxui::Pixel& p) {
                 p.foreground_color = ftxui::Color::Blue;
                 p.underlined = true;
                 p.bold = true;
               });
    return canvas(std::move(c));
  });

  auto screen = ftxui::ScreenInteractive::FitComponent();

  screen.Loop(renderer_text);
}

Makefile

include = -IFTXUI/include

CXXFLAGS = -Wall -Wextra -pedantic -std=c++20 $(include)
LDFLAGS  = -LFTXUI/build
LDLIBS   = -lftxui-component -lftxui-dom -lftxui-screen

TARGET = learn_ftxui

all: $(TARGET)

$(TARGET): learn_ftxui.cpp
        $(CXX) $(CXXFLAGS) $(LDFLAGS) $< -o $@ $(LDLIBS)

clean:
        rm -f $(TARGET)

https://arthursonzogni.github.io/FTXUI/#modules

https://www.gnu.org/software/make/manual/make.html#Implicit-Variables

-> figure out automatic canvas updates to draw dynamics as in the htop, spinner, gauge examples shown at https://github.com/ArthurSonzogni/FTXUI