From 8bca81886ab94963531b77b96b37c9f1fea20583 Mon Sep 17 00:00:00 2001
From: Robert Günzler <r@gnzler.io>
Date: Mon, 30 Aug 2021 18:17:16 +0200
Subject: vim: add colors to statusline

---
 .vim/init.lua | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

(limited to '.vim/init.lua')

diff --git a/.vim/init.lua b/.vim/init.lua
index 9016baf..ac7eb9e 100644
--- a/.vim/init.lua
+++ b/.vim/init.lua
@@ -117,28 +117,37 @@ require('spinner').setup {
   spinner = {'⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'},
   interval = 120, -- spinner frame rate in ms
 }
-statusline = function()
+function _G.statusline()
+  local hi = statusline_color(vim.fn.mode())
+
   local sl = ''
   -- left
-  sl = sl .. statusline_color(vim.fn.mode())
-  sl = sl .. [[ ⢷ %<%F %-m %-r ]]
+  sl = sl .. hi
+  sl = sl .. statusline_hi(' ⢷', '%#StatusLineIcon#', hi)
+  sl = sl .. [[ %<%F %-m %-r ]]
   -- right
   sl = sl .. [[ %= ]] -- spacer
 
   local lsp_spinner = require('spinner').status(vim.fn.bufnr())
   local lsp_diagnostics = statusline_lsp_diagnostics(vim.fn.bufnr())
 
-  sl = sl .. lsp_spinner .. ' '
-  sl = sl .. lsp_diagnostics
+  sl = sl .. statusline_hi(lsp_spinner, '%#StatusLineJobs#', hi)
+  sl = sl .. ' '
+  sl = sl .. statusline_hi(lsp_diagnostics, '%#StatusLineDiagnostics#', hi)
   sl = sl .. [[  %l:%v %y ]]
   return sl
 end
-statusline_color = function(mode)
+function _G.statusline_hi(element, hi, default)
+  if not element or element == '' then return '' end
+  if not (default == '%*') then hi = '' end
+  return hi .. element .. default
+end
+function _G.statusline_color(mode)
   local hi = '%*'
   if mode == 'i' then
-    hi = '%#StatusLineInsert#'
+    -- hi = '%#StatusLineInsert#'
   elseif mode == 'c' then
-    hi = '%#StatusLineCommand#'
+    -- hi = '%#StatusLineCommand#'
   elseif mode == 'v' or mode == 'V' or mode == '' then
     hi = '%#StatusLineVisual#'
   elseif mode == 'R' or mode == 'Rv' then
@@ -147,16 +156,18 @@ statusline_color = function(mode)
   -- return '%{g:actual_curwin==win_getid()?'.. hi ..':%#StatusLineNC#}'
   return hi
 end
-statusline_lsp_diagnostics = function(bufnr)
+function _G.statusline_lsp_diagnostics(bufnr)
   -- Error, Warning, Information, Hint
   local error_num = vim.lsp.diagnostic.get_count(bufnr, 'Error')
   local warn_num = vim.lsp.diagnostic.get_count(bufnr, 'Warning')
 
   local s = ''
   if error_num > 0 then
+    s = s .. '%#LspDiagnosticsError#'
     s = s .. vim.fn.sign_getdefined('LspDiagnosticsSignError')[1].text .. error_num
   end
   if warn_num > 0 then
+    s = s .. '%#LspDiagnosticsWarning#'
     s = s .. vim.fn.sign_getdefined('LspDiagnosticsSignWarning')[1].text .. warn_num
   end
   return s
-- 
cgit 1.4.1