Update signcolumn, show diagnostics colored line numbers, remove

diagnostics signs from column. Remove tiny inline diagnostics and
re-enable virtual text with a circle icon instead of a box icon.
from c

nvim/init.lua

@@ -16,7 +16,7 @@ end
 -- Load keymaps before loading any plugins
 require("keymaps")
 
--- change and personalize native vim settings
+-- Change and personalize native vim settings
 vim.opt = require("vim_opt")
 
 -- Initialize Lazy package manager
@@ -40,6 +40,9 @@ require("dap/setup")
 -- See ":help vim.highlight.on_yank()"
 setup_yank_highlight()
 
+-- Change built in settings related to diagnostics
+require("diagnostics")
+
 --[[
 -- Annoyances in Neovim environment:
 -- 1. codelldb doesn't terminate C++ program after debugging.    : Don't know how to fix, have asked for help.

nvim/lua/diagnostics.lua

@@ -0,0 +1,37 @@
+local colors = require("ayu.colors")
+colors.generate(true)
+-- These are not apart of the Ayu color theme, however, I needed these
+-- colors while still fitting in with the rest
+local ayu_turquoise = "#5CCFE6"
+local ayu_dark_blue = "#3A7BD5"
+for _, highlight in ipairs({
+    { "DiagnosticUnderlineError", { undercurl = true, sp = colors.error } },
+    { "DiagnosticUnderlineWarn",  { undercurl = true, sp = colors.warning } },
+    { "DiagnosticUnderlineHint",  { undercurl = true, sp = ayu_turquoise } },
+    { "DiagnosticUnderlineInfo",  { undercurl = true, sp = ayu_dark_blue } },
+}) do
+    vim.api.nvim_set_hl(0, highlight[1], highlight[2])
+end
+
+local sev = vim.diagnostic.severity
+vim.diagnostic.config({
+    underline = true,
+    virtual_text = {
+        prefix = "●",
+    },
+    update_in_insert = true,
+    signs = {
+        text = {
+            [sev.ERROR] = "",
+            [sev.WARN] = "",
+            [sev.INFO] = "",
+            [sev.HINT] = "",
+        },
+        numhl = {
+            [sev.WARN] = "WarningMsg",
+            [sev.ERROR] = "ErrorMsg",
+            [sev.INFO] = "DiagnosticInfo",
+            [sev.HINT] = "DiagnosticHint",
+        },
+    },
+})

nvim/lua/lsp/setup.lua

@@ -58,13 +58,6 @@ end
 local global_capabilities = require("blink.cmp").get_lsp_capabilities()
 global_capabilities.offsetEncoding = { "utf-16" }
 
-vim.diagnostic.config({
-    underline = true,        -- Underline diagnostic errors
-    virtual_text = false,    -- Disable inline text messages
-    signs = true,            -- Show icons in the sign column
-    update_in_insert = true, -- Update diagnostics during insert mode
-})
-
 vim.lsp.config("*", {
     capabilities = global_capabilities,
     handlers = {

nvim/lua/plugs/tiny-inline-diagnostics.lua

@@ -1,27 +0,0 @@
-return {
-    "rachartier/tiny-inline-diagnostic.nvim",
-    event = "VeryLazy",
-    priority = 1000,
-    config = function()
-        require("tiny-inline-diagnostic").setup()
-
-        vim.diagnostic.config({
-            virtual_text = false,
-        })
-
-        local colors = require("ayu.colors")
-        colors.generate(true)
-        -- These are not apart of the Ayu color theme, however, I needed these
-        -- colors while still fitting in with the rest
-        local ayu_turquoise = "#5CCFE6"
-        local ayu_dark_blue = "#3A7BD5"
-        for _, highlight in ipairs({
-            { "DiagnosticUnderlineError", { undercurl = true, sp = colors.error } },
-            { "DiagnosticUnderlineWarn",  { undercurl = true, sp = colors.warning } },
-            { "DiagnosticUnderlineHint",  { undercurl = true, sp = ayu_turquoise } },
-            { "DiagnosticUnderlineInfo",  { undercurl = true, sp = ayu_dark_blue } },
-        }) do
-            vim.api.nvim_set_hl(0, highlight[1], highlight[2])
-        end
-    end
-}

nvim/lua/vim_opt.lua

@@ -22,7 +22,7 @@ opt.softtabstop = 4
 opt.shortmess:append("sI")
 
 -- Signcolumn
-opt.signcolumn = "yes:2"      -- Adds a spacing to the left which can contain gutter icons
+opt.signcolumn = "yes:1"      -- Adds a spacing to the left which can contain gutter icons
 opt.fillchars = { eob = " " } -- Remove the fill character for empty lines which defaults to: "~"
 
 -- Search
@@ -66,8 +66,6 @@ opt.termsync = true
 opt.scrolloff = 4
 
 -- Whitespaces
--- opt.listchars = { tab = "→\"", trail = "·", nbsp = "␣" }
--- opt.list = true
 opt.list = false
 
 return opt