configure LSP, codelens, and trouble

lua/config/autocommands.lua

@@ -46,9 +46,10 @@ create_cmd("TextYankPost", {
 create_cmd("FileType", {
 	desc = "Disable list characters for some filetypes",
 	group = create_group("cmd-disable-listchars", { clear = true }),
-	pattern = { "netrw" },
+	pattern = { "netrw", "trouble" },
 	callback = function(args)
 		vim.opt_local.list = false
+		vim.opt.textwidth = 0
 	end
 })
 
@@ -124,21 +125,24 @@ create_cmd("QuickFixCmdPost", {
 })
 
 -- Automatically open diagnostic float when hovering with cursor
-vim.api.nvim_create_autocmd("CursorHold", {
-  callback = function()
-    if not vim.api.nvim_get_current_win() then return end
-    vim.diagnostic.open_float(nil, { focus = false, scope = "cursor" })
-  end,
-})
-
-vim.api.nvim_create_autocmd("CursorMoved", {
-  callback = function()
-    for _, win in ipairs(vim.api.nvim_list_wins()) do
-      local config = vim.api.nvim_win_get_config(win)
-      if config.relative ~= "" then
-        vim.api.nvim_win_close(win, false)
-      end
-    end
-  end,
+create_cmd("CursorHold", {
+	desc = "Automatically open Diagnostic Float",
+	group = create_group("cmd-auto-open-diagnostic-float", { clear = true }),
+	callback = function()
+		-- If any floating window exists, do nothing
+		for _, win in ipairs(vim.api.nvim_list_wins()) do
+			local cfg = vim.api.nvim_win_get_config(win)
+			if cfg.relative ~= "" then
+				return
+			end
+		end
+		-- Only open if there is a diagnostic under cursor
+		local diags = vim.diagnostic.get(0, { lnum = vim.fn.line('.') - 1 })
+		if #diags == 0 then
+			return
+		end
+
+		vim.diagnostic.open_float(nil, { focus = false, scope = "cursor" })
+	end,
 })
 

lua/config/keymaps.lua

@@ -114,5 +114,17 @@ map("n", "grr", [[<Cmd>Trouble lsp_references toggle<CR>]], { desc = "Show LSP r
 map("n", "<leader>xq", [[<Cmd>Trouble qflist toggle focus=false<CR>]], { desc = "Show Quickfix List" })
 map("n", "<leader>xl", [[<Cmd>Trouble loclist toggle focus=false<CR>]], { desc = "Show Location List" })
 map("n", "grn", vim.lsp.buf.rename, { desc = "Rename", silent = true, noremap = true })
-map("n", "gra", vim.lsp.buf.code_action, { desc = "Action", silent = true, noremap = true })
+map({"n", "v"}, "gra", vim.lsp.buf.code_action, { desc = "Action", silent = true, noremap = true })
 map("n", "gl", vim.diagnostic.open_float, { desc = "Open Diagnostic Float" })
+map("n", "grx", vim.lsp.codelens.run, { desc = "Run Codelens Operation" })
+
+-- Toggle Codelense
+vim.keymap.set("n", "<leader>tc", function()
+	vim.g.codelens_enabled = not vim.g.codelens_enabled
+	vim.lsp.codelens.enable(vim.g.codelens_enabled)
+end, { desc = "Toggle Code Lens" })
+
+-- Open Signature Help
+vim.keymap.set("i", "<C-s>", function()
+  vim.lsp.buf.signature_help()
+end, { desc = "Show signature help" })

lua/config/ui.lua

@@ -50,12 +50,12 @@ vim.g.ui = {
 	linebreak = "↘",
 	windowborder = "single",
 	popupborder = "single",
-	custom_highlights = function(colors, utils)
+	custom_highlights = function(colors, _)
 		return {
 			whitespace = { fg = colors.overlay0 },
 			TrailingWhitespace = { fg = colors.red },
 			LineNr = { fg = colors.overlay0 },
-			CursorLineNR = { fg = colors.peach },
+			CursorLineNr = { fg = colors.peach },
 		}
 	end,
 	symbols = {

lua/lsp/init.lua

@@ -198,6 +198,11 @@ local function show_lsp_details()
 	end, { buffer = popup_buffer, nowait = true, desc = "Close Window" })
 end
 
-vim.keymap.set("n", "<leader>li", show_lsp_details, {
+vim.keymap.set("n", "<leader>xi", show_lsp_details, {
   desc = "Show detailed LSP info in a float"
 })
+
+vim.g.codelens_enabled = true
+vim.lsp.codelens.enable(vim.g.codelens_enable)
+
+

lua/plugins/trouble.lua

@@ -40,6 +40,7 @@ trouble.setup({
 	auto_preview = true,
 	auto_refresh = true,
 	auto_jump = false,
+	auto_close = true,
 	modes = {
 		diagnostics = {
 			preview = {
@@ -49,5 +50,29 @@ trouble.setup({
 				size = 0.4
 			},
 		},
+		lsp_declarations = {
+			preview = {
+				type = "split",
+				relative = "win",
+				position = "right",
+				size = 0.4
+			},
+		},
+		lsp_definitions = {
+			preview = {
+				type = "split",
+				relative = "win",
+				position = "right",
+				size = 0.4
+			},
+		},
+		lsp_references = {
+			preview = {
+				type = "split",
+				relative = "win",
+				position = "right",
+				size = 0.4
+			},
+		},
 	},
 })

lua/plugins/whichkey.lua

@@ -40,8 +40,8 @@ wk.setup({
 	preset = "modern"
 })
 wk.add({
-	{ "<leader>b", group = "Buffers" },
-	{ "<leader>x", group = "Trouble" },
-	{ "<leader>c", group = "Code" },
-	{ "gr", group = "LSP" },
+	{ "<leader>b", group = "Buffers..." },
+	{ "<leader>x", group = "Trouble..." },
+	{ "gr", group = "LSP...", mode = {"n","v"} },
+	{ "<leader>t", group = "Toggle..." },
 })