Nvim: improve blink and inlay hints, add heirline

.config/nvim/lua/plugins/lspconfig.lua

@@ -11,37 +11,6 @@ return {
   config = function()
     local nvim_lsp = require('lspconfig')
     require('clangd_extensions').setup({
-        inlay_hints = {
-          inline = false,
-          -- Options other than `highlight' and `priority' only work
-          -- if `inline' is disabled
-          -- Only show inlay hints for the current line
-          only_current_line = true,
-          -- Event which triggers a refresh of the inlay hints.
-          -- You can make this { "CursorMoved" } or { "CursorMoved,CursorMovedI" } but
-          -- not that this may cause  higher CPU usage.
-          -- This option is only respected when only_current_line and
-          -- autoSetHints both are true.
-          only_current_line_autocmd = { "CursorMoved", "CursorMovedI" },
-          -- whether to show parameter hints with the inlay hints or not
-          show_parameter_hints = true,
-          -- prefix for parameter hints
-          parameter_hints_prefix = "←",
-          -- prefix for all the other hints (type, chaining)
-          other_hints_prefix = "→",
-          -- whether to align to the length of the longest line in the file
-          max_len_align = true,
-          -- padding from the left if max_len_align is true
-          max_len_align_padding = 1,
-          -- whether to align to the extreme right or not
-          right_align = false,
-          -- padding from the right if right_align is true
-          right_align_padding = 7,
-          -- The color of the hints
-          highlight = "Comment",
-          -- The highlight group priority for extmark
-          priority = 100,
-      },
       ast = {
           -- These are unicode, should be available in any font
           role_icons = {
@@ -78,6 +47,8 @@ return {
     vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float)
     vim.keymap.set('n', '<leader>E', vim.diagnostic.setloclist)
 
+    vim.lsp.inlay_hint.enable(true)
+
     -- Use an on_attach function to only map the following keys
     -- after the language server attaches to the current buffer
     vim.api.nvim_create_autocmd('LspAttach', {
@@ -106,8 +77,6 @@ return {
         --   floating_window_off_x = 10,
         --   floating_window_off_y = 0,
         -- })
-        require("clangd_extensions.inlay_hints").setup_autocmd()
-        require("clangd_extensions.inlay_hints").set_inlay_hints()
         require("better-diagnostic-virtual-text.api").setup_buf(ev.buf, {
           ui = {
             wrap_line_after = false, -- wrap the line after this length to avoid the virtual text is too long
@@ -123,7 +92,14 @@ return {
 
       vim.diagnostic.config({
         underline = false,
-        signs = true,
+        signs = {
+          text = {
+            [vim.diagnostic.severity.HINT]  = "",
+            [vim.diagnostic.severity.ERROR] = "✘",
+            [vim.diagnostic.severity.INFO]  = "◉",
+            [vim.diagnostic.severity.WARN]  = ""
+          }
+        },
         virtual_text = true,
         update_in_insert = false,
         severity_sort = true