add lualine plugin

lua/config/keymaps.lua

@@ -47,7 +47,7 @@ local function smart_buffer_switch(current)
 	local current_index = nil
 	for index, buffer in ipairs(buffers) do
 		if buffer.bufnr == current then
-			current_index = i
+			current_index = index
 			break
 		end
 	end

lua/config/options.lua

@@ -62,7 +62,7 @@ vim.opt.pumborder = vim.g.ui.popupborder
 vim.opt.splitbelow = true
 vim.opt.splitright = true
 -- hide mode, displayed in lualine
--- vim.opt.showmode = false
+vim.opt.showmode = false
 vim.opt.shortmess:append("S")
 -- enable visual bell
 vim.opt.visualbell = true
@@ -75,7 +75,7 @@ vim.opt.backspace = { "indent", "eol", "start" }
 vim.opt.preserveindent = true
 vim.opt.smartindent = true
 vim.opt.breakindent = true
-vim.opt.breakindentopt:append({ min = 20, shift = -2, sbr = ture, list = -1 })
+vim.opt.breakindentopt:append({ min = 20, shift = -2, sbr = true, list = -1 })
 -- tab settings
 vim.opt.expandtab = false
 vim.opt.shiftround = true
@@ -91,7 +91,7 @@ vim.opt.matchpairs:append({ "<:>" })
 
 vim.opt.hlsearch = true
 vim.opt.ignorecase = true
-vim.opt.inccommand = split
+vim.opt.inccommand = "split"
 vim.opt.incsearch = true
 vim.opt.smartcase = true
 
@@ -108,8 +108,8 @@ vim.opt.swapfile = true
 
 -- Performance settings
 
-vim.opt.updatetime = 1000
-vim.opt.timeoutlen = 300
+vim.opt.updatetime = 1000 -- after this idle time, write backup, swap files etc.
+vim.opt.timeoutlen = 500 -- timeout to wait for key combinations to complete.
 
 
 -- Mouse and Clipboard settings

lua/config/ui.lua

@@ -66,5 +66,9 @@ vim.g.ui = {
 			sign_info = "I",
 			sign_hint = "H",
 		},
+		component_separators = { left = "│", right = "│" },
+		section_separators = { left = "▒", right = "▒" },
+		window = "",
+		not_overline = "\u{0305}",
 	}
 }

lua/plugins/init.lua

@@ -31,3 +31,4 @@
 ]]
 
 require("plugins/catppuccin")
+require("plugins/lualine")

lua/plugins/lualine.lua

@@ -0,0 +1,154 @@
+--[[
+
+
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
+⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
+⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
+⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
+⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
+⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
+⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉
+
+__             _             _
+/ _|___     ___| |_ __ _  ___| | __
+| ||_  /____/ __| __/ _` |/ __| |/ /
+|  _/ /_____\__ \ || (_| | (__|   <
+|_|/___|    |___/\__\__,_|\___|_|\_\
+
+Neovim v0.12 configuration
+(C) Frank Zechert 2026
+]]
+
+vim.pack.add({
+	{ src = "https://github.com/nvim-tree/nvim-web-devicons" },
+	{ src = "https://github.com/nvim-lualine/lualine.nvim" }
+})
+
+local function expandtabs()
+	if not vim.bo.expandtab then
+		return string.format("%s %d", vim.g.ui.listchars.leadtab, vim.bo.tabstop)
+	else
+		local width = vim.bo.shiftwidth
+		if width == 0 then
+			width = vim.bo.tabstop
+		end
+		return string.format("%s %d", vim.g.ui.listchars.nbsp, width)
+	end
+end
+
+local function windownumber()
+	return string.format("%s %s", vim.g.ui.symbols.window, vim.fn.winnr())
+end
+
+local function treesitter_status()
+	local ok, parser = pcall(vim.treesitter.get_parser, 0)
+	if not ok or not parser then
+		return "T"..vim.g.ui.symbols.not_overline
+	else
+		return "T"
+	end
+end
+
+local function lsp_status()
+	local clients = vim.lsp.get_clients({bufnr = 0})
+	if #clients == 0 then
+		-- no LSP is attached
+		return "L"..vim.g.ui.symbols.not_overline
+	end
+
+	local lsp_names = {}
+	for _, client in ipairs(clients) do
+		local roots = {}
+		if client.workspace_folders then
+			for _, workspace_folder in ipairs(client.workspace_folders) do
+				table.insert(roots, workspace_folder.name or workspace_folder.uri or "")
+			end
+		end
+		local has_root = (roots and #roots > 0)
+		local root_flag = has_root and "+R" or ""
+		table.insert(lsp_names, string.format("%s%s", client.name, root_flag))
+	end
+	return string.format("L: %s", table.concat(lsp_names, ", "))
+end
+
+
+require('lualine').setup({
+	options = {
+		component_separators = vim.g.ui.symbols.component_separators,
+		section_separators = vim.g.ui.symbols.section_separators,
+		globalstatus = false,
+		refresh = {
+			refresh_time = 33, -- ~30 fps
+		}
+	},
+	sections = {
+		lualine_a = { "mode" },
+		lualine_b = { "searchcount", "selectioncount" },
+		lualine_c = {
+			{ "filename", file_status = true, newfile_status = true, path = 1 },
+		},
+		lualine_x = {
+			"encoding",
+			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
+			expandtabs,
+			"filesize"
+		},
+		lualine_y = {},
+		lualine_z = { "location", "progress" },
+	},
+	inactive_sections = {
+		lualine_a = {},
+		lualine_b = {},
+		lualine_c = {
+			{ "filename", file_status = true, newfile_status = true, path = 1 },
+		},
+		lualine_x = {
+			"encoding",
+			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
+			expandtabs,
+			"filesize",
+		},
+		lualine_y = {},
+		lualine_z = { "location", "progress" },
+	},
+	tabline = {
+		lualine_a = {
+			{ "buffers", mode = 2, use_mode_colors = true },
+		},
+		lualine_b = {},
+		lualine_c = {},
+		lualine_x = {},
+		lualine_y = {},
+		lualine_z = {
+			{ "tabs", mode = 0, use_mode_colors = true },
+		},
+	},
+	winbar = {
+		lualine_a = { windownumber },
+		lualine_b = { "filename", "filetype" },
+		lualine_c = { "diagnostics" },
+		lualine_x = { treesitter_status, lsp_status },
+		lualine_y = { "branch", "diff" },
+		lualine_z = {},
+	},
+	inactive_winbar = {
+		lualine_a = { windownumber },
+		lualine_b = {},
+		lualine_c = {},
+		lualine_x = {},
+		lualine_y = {},
+		lualine_z = {},
+	}
+
+})