From 6105f063cb936e027b5419ae9696ce00f97991e9 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Tue, 7 Jul 2020 12:44:38 -0400
Subject: [PATCH] LibLine: Add ctrl-t shortcut for transposing characters

---
 Libraries/LibLine/Editor.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Libraries/LibLine/Editor.cpp b/Libraries/LibLine/Editor.cpp
index 75d137695e..076a217c5a 100644
--- a/Libraries/LibLine/Editor.cpp
+++ b/Libraries/LibLine/Editor.cpp
@@ -921,6 +921,17 @@ void Editor::handle_read_event()
             }
             continue;
         }
+        // ^T
+        if (codepoint == ctrl('T')) {
+            if (m_cursor > 0 && m_buffer.size() >= 2) {
+                if (m_cursor < m_buffer.size())
+                    ++m_cursor;
+                swap(m_buffer[m_cursor - 1], m_buffer[m_cursor - 2]);
+                // FIXME: Update anchored styles too.
+                m_refresh_needed = true;
+            }
+            continue;
+        }
         if (codepoint == '\n') {
             finish();
             continue;