First version of supporting extraction of the terminal id.

examples/component/terminal_id.cpp

@@ -0,0 +1,33 @@
+// Copyright 2025 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 "ftxui/component/component.hpp"       // for Renderer
+#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
+#include "ftxui/dom/elements.hpp"  // for text, hbox, separator, Element, operator|, vbox, border
+
+int main() {
+	using namespace ftxui;
+
+	std::string terminal_id = "UNKNOWN";
+
+	auto screen =
+		ScreenInteractive::TerminalOutput();
+
+	screen.OnTerminalIDUpdate([&terminal_id] (
+		TerminalID const& terminal_id_update)
+	{
+		std::stringstream stream;
+		stream << terminal_id_update;
+		terminal_id = stream.str();
+	});
+
+	auto renderer = Renderer([&]
+	{
+		return vbox({
+			text("Terminal id " + terminal_id),
+		}) | border;
+	});
+
+	screen.Loop(renderer);
+}