neovim

commit 2eecb1b85dbb0e02ec40e95d28d3cc4720040f01
parent c46a6c065e8d830adb8a2f410d3c92cf5bd4455b
Author: Maria José Solano <majosolano99@gmail.com>
Date:   Mon, 16 Oct 2023 08:52:48 -0700

fix(lsp): highlight active parameter in signature help #25663

Fixes #25662
Diffstat:
M
runtime/lua/vim/lsp/handlers.lua
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/runtime/lua/vim/lsp/handlers.lua b/runtime/lua/vim/lsp/handlers.lua
@@ -476,7 +476,7 @@ function M.signature_help(_, result, ctx, config)
     vim.tbl_get(client.server_capabilities, 'signatureHelpProvider', 'triggerCharacters')
   local ft = vim.bo[ctx.bufnr].filetype
   local lines, hl = util.convert_signature_help_to_markdown_lines(result, ft, triggers)
-  if vim.tbl_isempty(lines) then
+  if not lines or vim.tbl_isempty(lines) then
     if config.silent ~= true then
       print('No signature help available')
     end
@@ -484,7 +484,9 @@ function M.signature_help(_, result, ctx, config)
   end
   local fbuf, fwin = util.open_floating_preview(lines, 'markdown', config)
   if hl then
-    api.nvim_buf_add_highlight(fbuf, -1, 'LspSignatureActiveParameter', 0, unpack(hl))
+    -- Highlight the second line if the signature is wrapped in a Markdown code block.
+    local line = vim.startswith(lines[1], '```') and 1 or 0
+    api.nvim_buf_add_highlight(fbuf, -1, 'LspSignatureActiveParameter', line, unpack(hl))
   end
   return fbuf, fwin
 end