neovim

commit a3b39784744f330b922117655811542202fcd85b
parent 39112c72dd3722cd4a0770fc23c9d7269a9c2283
Author: Gregory Anders <greg@gpanders.com>
Date:   Wed, 13 Dec 2023 09:54:04 -0600

feat(diagnostics): support numhl and linehl for diagnostic signs

Diffstat:
M
runtime/doc/diagnostic.txt
 | 
6
++++++
M
runtime/lua/vim/diagnostic.lua
 | 
9
+++++++++

2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/runtime/doc/diagnostic.txt b/runtime/doc/diagnostic.txt
@@ -445,6 +445,12 @@ config({opts}, {namespace})                          *vim.diagnostic.config()*
                              signs = { text = { [vim.diagnostic.severity.ERROR] = 'E', ... } }
                            })
 <
+                       • numhl: (table) A table mapping |diagnostic-severity|
+                         to the highlight group used for the line number where
+                         the sign is placed.
+                       • linehl: (table) A table mapping |diagnostic-severity|
+                         to the highlight group used for the whole line the
+                         sign is placed in.
 
                      • float: Options for floating windows. See
                        |vim.diagnostic.open_float()|.
diff --git a/runtime/lua/vim/diagnostic.lua b/runtime/lua/vim/diagnostic.lua
@@ -602,6 +602,10 @@ end
 ---                         signs = { text = { [vim.diagnostic.severity.ERROR] = 'E', ... } }
 ---                       })
 ---                   </pre>
+---                * numhl: (table) A table mapping |diagnostic-severity| to the highlight
+---                group used for the line number where the sign is placed.
+---                * linehl: (table) A table mapping |diagnostic-severity| to the highlight group
+---                used for the whole line the sign is placed in.
 ---       - float: Options for floating windows. See |vim.diagnostic.open_float()|.
 ---       - update_in_insert: (default false) Update diagnostics in Insert mode (if false,
 ---                           diagnostics are updated on InsertLeave)
@@ -885,11 +889,16 @@ M.handlers.signs = {
       end
     end
 
+    local numhl = opts.signs.numhl or {}
+    local linehl = opts.signs.linehl or {}
+
     for _, diagnostic in ipairs(diagnostics) do
       if api.nvim_buf_is_loaded(diagnostic.bufnr) then
         api.nvim_buf_set_extmark(bufnr, ns.user_data.sign_ns, diagnostic.lnum, 0, {
           sign_text = text[diagnostic.severity] or text[M.severity[diagnostic.severity]] or 'U',
           sign_hl_group = sign_highlight_map[diagnostic.severity],
+          number_hl_group = numhl[diagnostic.severity],
+          line_hl_group = linehl[diagnostic.severity],
           priority = get_priority(diagnostic.severity),
         })
       end