From 478f5d00702ea88d9e9f48382fae07fe0eacdcac Mon Sep 17 00:00:00 2001
From: Yi Ming <ofseed@foxmail.com>
Date: Sat, 26 Apr 2025 15:46:38 +0800
Subject: [PATCH] fix(lsp): cycling signatures with the default
 `config.focusable`

(cherry picked from commit 342974773c5335ea9a09f50b8d10c2f9c506f9e5)
---
 runtime/lua/vim/lsp/buf.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/runtime/lua/vim/lsp/buf.lua b/runtime/lua/vim/lsp/buf.lua
index 6d168cacb3..ee8fd4b452 100644
--- a/runtime/lua/vim/lsp/buf.lua
+++ b/runtime/lua/vim/lsp/buf.lua
@@ -370,7 +370,7 @@ function M.signature_help(config)
 
     local ft = vim.bo[ctx.bufnr].filetype
     local total = #signatures
-    local can_cycle = total > 1 and config.focusable
+    local can_cycle = total > 1 and config.focusable ~= false
     local idx = active_signature - 1
 
     --- @param update_win? integer
@@ -386,7 +386,9 @@ function M.signature_help(config)
         return
       end
 
-      local sfx = can_cycle and string.format(' (%d/%d) (<C-s> to cycle)', idx, total) or ''
+      local sfx = total > 1
+          and string.format(' (%d/%d)%s', idx, total, can_cycle and ' (<C-s> to cycle)' or '')
+        or ''
       local title = string.format('Signature Help: %s%s', client.name, sfx)
       if config.border then
         config.title = title