From b198d40e35050c8692296f06acedfaf5e3c8a023 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Fri, 19 Jun 2026 14:07:58 +0200
Subject: lib/io: extend scanner

---
 ttwhy/routers/echo.cppm | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'ttwhy/routers')

diff --git a/ttwhy/routers/echo.cppm b/ttwhy/routers/echo.cppm
index 41b7b51..fb392d6 100644
--- a/ttwhy/routers/echo.cppm
+++ b/ttwhy/routers/echo.cppm
@@ -15,6 +15,8 @@ namespace ttwhy::routers
   using namespace std::string_view_literals;
 
   constexpr auto vte_backspace_sequence = "\b \b"sv;
+  constexpr auto vte_newline_sequence = "\r\n"sv;
+  constexpr auto vte_horizontal_tab_sequqnce = "\t"sv;
 
   export template<typename StreamType>
   struct echo
@@ -59,9 +61,18 @@ namespace ttwhy::routers
           co_await asio::async_write(m_output_stream, asio::buffer(vte_backspace_sequence),
                                      asio::as_tuple(asio::use_awaitable));
           break;
+        case control_key::enter:
+          co_await asio::async_write(m_output_stream, asio::buffer(vte_newline_sequence),
+                                     asio::as_tuple(asio::use_awaitable));
+          break;
+        case control_key::tab:
+          co_await asio::async_write(m_output_stream, asio::buffer(vte_horizontal_tab_sequqnce),
+                                     asio::as_tuple(asio::use_awaitable));
+          break;
         default:
           co_await asio::async_write(m_output_stream, asio::buffer(std::format("{{CTRL:{}}}", std::to_underlying(key))),
                                      asio::as_tuple(asio::use_awaitable));
+          break;
       };
     }
 
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