From 4c1163619209f76d688f4b73edd3a5739dc28b44 Mon Sep 17 00:00:00 2001
From: "Wansmer (Ivan Smirnov)" <wansmer@gmail.com>
Date: Thu, 28 Mar 2024 12:39:57 +0300
Subject: [PATCH] fix: recursion on ctrl-keys mappings

---
 lua/langmapper/auto.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lua/langmapper/auto.lua b/lua/langmapper/auto.lua
index 498c400..f95b232 100644
--- a/lua/langmapper/auto.lua
+++ b/lua/langmapper/auto.lua
@@ -72,7 +72,9 @@ local function automapping(scope, bufnr)
     for _, map in ipairs(mappings) do
       local lhs = u.translate_keycode(map.lhs, lang)
       for _, mode in ipairs(map.mode) do
-        if not (map.lhs == lhs or has_map(lhs, mode, mappings)) then
+        -- Prevent recursion on ctrl-keys. E.g. both layouts contains the same keys. See: #23
+        local is_same = vim.startswith(lhs:lower(), '<c-') and lhs:lower() == map.lhs:lower() or lhs == map.lhs
+        if not (is_same or has_map(lhs, mode, mappings)) then
           local rhs = function()
             local repl = vim.api.nvim_replace_termcodes(map.lhs, true, true, true)
             vim.api.nvim_feedkeys(repl, 'm', true)