From e7970a93e4f75bdfa0de8eb96dddaecfad100cb7 Mon Sep 17 00:00:00 2001
From: huge-pancake <huge.pancake.zxr@gmail.com>
Date: Sat, 1 Jul 2023 07:48:52 +0800
Subject: [PATCH 1/6] feat(ui)!: unify UI component `lualine`

---
 lua/modules/configs/ui/catppuccin.lua |   8 +
 lua/modules/configs/ui/lualine.lua    | 278 +++++++++++++++++---------
 lua/modules/plugins/ui.lua            |   2 +-
 3 files changed, 188 insertions(+), 100 deletions(-)

diff --git a/lua/modules/configs/ui/catppuccin.lua b/lua/modules/configs/ui/catppuccin.lua
index a95d1c78d..33a778f8b 100644
--- a/lua/modules/configs/ui/catppuccin.lua
+++ b/lua/modules/configs/ui/catppuccin.lua
@@ -181,6 +181,14 @@ return function()
 
 					-- For treesitter
 					["@keyword.return"] = { fg = cp.pink, style = clear },
+
+					-- For lualine
+					LualineBranch = { fg = cp.subtext0, bg = cp.mantle, style = { "bold" } },
+					LualineDiff = { fg = cp.subtext0, bg = cp.mantle },
+					LualineLSP = { fg = cp.blue, bg = cp.mantle, style = { "bold" } },
+					LualinePyVenv = { fg = cp.green, bg = cp.mantle },
+					LualineCWD = { fg = cp.subtext0, bg = cp.mantle, style = { "bold" } },
+					LualineSeparator = { fg = cp.surface1, bg = cp.mantle },
 				}
 			end,
 		},
diff --git a/lua/modules/configs/ui/lualine.lua b/lua/modules/configs/ui/lualine.lua
index 0d6a3096c..878b86284 100644
--- a/lua/modules/configs/ui/lualine.lua
+++ b/lua/modules/configs/ui/lualine.lua
@@ -1,63 +1,10 @@
 return function()
-	local colors = require("modules.utils").get_palette()
 	local icons = {
 		diagnostics = require("modules.utils.icons").get("diagnostics", true),
-		misc = require("modules.utils.icons").get("misc", true),
+		git = require("modules.utils.icons").get("git", true),
 		ui = require("modules.utils.icons").get("ui", true),
 	}
-
-	local function escape_status()
-		local ok, m = pcall(require, "better_escape")
-		return ok and m.waiting and icons.misc.EscapeST or ""
-	end
-
-	local _cache = { context = "", bufnr = -1 }
-	local function lspsaga_symbols()
-		local exclude = {
-			["terminal"] = true,
-			["toggleterm"] = true,
-			["prompt"] = true,
-			["NvimTree"] = true,
-			["help"] = true,
-		}
-		if vim.api.nvim_win_get_config(0).zindex or exclude[vim.bo.filetype] then
-			return "" -- Excluded filetypes
-		else
-			local currbuf = vim.api.nvim_get_current_buf()
-			local ok, lspsaga = pcall(require, "lspsaga.symbolwinbar")
-			if ok and lspsaga:get_winbar() ~= nil then
-				_cache.context = lspsaga:get_winbar()
-				_cache.bufnr = currbuf
-			elseif _cache.bufnr ~= currbuf then
-				_cache.context = "" -- Reset [invalid] cache (usually from another buffer)
-			end
-
-			return _cache.context
-		end
-	end
-
-	local function diff_source()
-		local gitsigns = vim.b.gitsigns_status_dict
-		if gitsigns then
-			return {
-				added = gitsigns.added,
-				modified = gitsigns.changed,
-				removed = gitsigns.removed,
-			}
-		end
-	end
-
-	local function get_cwd()
-		local cwd = vim.fn.getcwd()
-		local is_windows = require("core.global").is_windows
-		if not is_windows then
-			local home = require("core.global").home
-			if cwd:find(home, 1, true) == 1 then
-				cwd = "~" .. cwd:sub(#home + 1)
-			end
-		end
-		return icons.ui.RootFolderOpened .. cwd
-	end
+	local iconsNoSpace = { git = require("modules.utils.icons").get("git", false) }
 
 	local mini_sections = {
 		lualine_a = { "filetype" },
@@ -76,72 +23,211 @@ return function()
 		filetypes = { "DiffviewFiles" },
 	}
 
-	local function python_venv()
-		local function env_cleanup(venv)
-			if string.find(venv, "/") then
-				local final_venv = venv
-				for w in venv:gmatch("([^/]+)") do
-					final_venv = w
-				end
-				venv = final_venv
-			end
-			return venv
-		end
+	local custom_theme = function()
+		local cp = require("modules.utils").get_palette()
+		return {
+			normal = {
+				a = { fg = cp.green, bg = cp.surface0, gui = "bold" },
+				b = { fg = cp.text, bg = cp.mantle },
+				c = { fg = cp.text, bg = cp.mantle },
+			},
+			command = { a = { fg = cp.yellow, bg = cp.surface0, gui = "bold" } },
+			insert = { a = { fg = cp.blue, bg = cp.surface0, gui = "bold" } },
+			visual = { a = { fg = cp.mauve, bg = cp.surface0, gui = "bold" } },
+			terminal = { a = { fg = cp.teal, bg = cp.surface0, gui = "bold" } },
+			replace = { a = { fg = cp.red, bg = cp.surface0, gui = "bold" } },
+			inactive = {
+				a = { fg = cp.subtext0, bg = cp.mantle, gui = "bold" },
+				b = { fg = cp.subtext0, bg = cp.mantle },
+				c = { fg = cp.subtext0, bg = cp.mantle },
+			},
+		}
+	end
+	vim.api.nvim_create_autocmd("ColorScheme", {
+		group = vim.api.nvim_create_augroup("LualineColorScheme", { clear = true }),
+		callback = function()
+			require("lualine").setup({ options = { theme = custom_theme() } })
+		end,
+	})
+
+	local conditions = {
+		hide_in_width = function()
+			return vim.o.columns > 100
+		end,
+		check_git_workspace = function()
+			local filepath = vim.fn.expand("%:p:h")
+			local gitdir = vim.fn.finddir(".git", filepath .. ";")
+			return gitdir and #gitdir > 0 and #gitdir < #filepath
+		end,
+	}
 
-		if vim.bo.filetype == "python" then
-			local venv = os.getenv("CONDA_DEFAULT_ENV")
-			if venv then
-				return string.format("%s", env_cleanup(venv))
-			end
-			venv = os.getenv("VIRTUAL_ENV")
-			if venv then
-				return string.format("%s", env_cleanup(venv))
-			end
+	local function diff_source()
+		local gitsigns = vim.b.gitsigns_status_dict
+		if gitsigns then
+			return {
+				added = gitsigns.added,
+				modified = gitsigns.changed,
+				removed = gitsigns.removed,
+			}
 		end
-		return ""
 	end
 
+	local components = {
+		separator = { -- use as section separators
+			function()
+				return "│"
+			end,
+			padding = {},
+			color = "LualineSeparator",
+		},
+
+		lsp = {
+			function()
+				if rawget(vim, "lsp") then
+					local names = {}
+					local lsp_exist = false
+					for _, client in ipairs(vim.lsp.get_active_clients()) do
+						if client.attached_buffers[vim.api.nvim_get_current_buf()] and client.name ~= "null-ls" then
+							table.insert(names, client.name)
+							lsp_exist = true
+						end
+					end
+					return lsp_exist and "󱜙 [" .. table.concat(names, ", ") .. "]" or "󱚧"
+				end
+				return "󱚧"
+			end,
+			color = "LualineLSP",
+			cond = conditions.hide_in_width,
+		},
+
+		python_venv = {
+			function()
+				local function env_cleanup(venv)
+					if string.find(venv, "/") then
+						local final_venv = venv
+						for w in venv:gmatch("([^/]+)") do
+							final_venv = w
+						end
+						venv = final_venv
+					end
+					return venv
+				end
+
+				if vim.bo.filetype == "python" then
+					local venv = os.getenv("CONDA_DEFAULT_ENV")
+					if venv then
+						return string.format("%s", env_cleanup(venv))
+					end
+					venv = os.getenv("VIRTUAL_ENV")
+					if venv then
+						return string.format("%s", env_cleanup(venv))
+					end
+				end
+				return ""
+			end,
+			color = "LualinePyVenv",
+			cond = conditions.hide_in_width,
+		},
+		cwd = {
+			function()
+				local cwd = vim.fn.getcwd()
+				local is_windows = require("core.global").is_windows
+				if not is_windows then
+					local home = require("core.global").home
+					if cwd:find(home, 1, true) == 1 then
+						cwd = "~" .. cwd:sub(#home + 1)
+					end
+				end
+				return icons.ui.RootFolderOpened .. cwd
+			end,
+			color = "LualineCWD",
+		},
+	}
+
 	require("lualine").setup({
 		options = {
 			icons_enabled = true,
-			theme = "catppuccin",
-			disabled_filetypes = {},
-			component_separators = "|",
-			section_separators = { left = "", right = "" },
+			theme = custom_theme(),
+			disabled_filetypes = { statusline = { "alpha" } },
+			component_separators = "",
+			section_separators = { left = "", right = "" },
 		},
 		sections = {
-			lualine_a = { { "mode" } },
-			lualine_b = { { "branch" }, { "diff", source = diff_source } },
-			lualine_c = { lspsaga_symbols },
-			lualine_x = {
-				{ escape_status },
+			lualine_a = { "mode" },
+			lualine_b = {
+				-- idk what to put here
+
+				-- FIXME: not perfect when in buffers such as `help`
+				-- vim.tbl_deep_extend("force", components.separator, { cond = conditions.check_git_workspace }),
+			},
+			lualine_c = {
+				{ -- branch
+					"b:gitsigns_head",
+					icon = iconsNoSpace.git.Branch,
+					color = "LualineBranch",
+				},
+				{
+					"diff",
+					symbols = {
+						added = icons.git.Add,
+						modified = icons.git.Mod,
+						removed = icons.git.Remove,
+					},
+					source = diff_source,
+					colored = false,
+					color = "LualineDiff",
+					padding = { right = 1 },
+				},
+
+				{ -- center
+					function()
+						return "%="
+					end,
+				},
+
 				{
 					"diagnostics",
 					sources = { "nvim_diagnostic" },
+					sections = { "error", "warn", "info", "hint" },
 					symbols = {
 						error = icons.diagnostics.Error,
 						warn = icons.diagnostics.Warning,
 						info = icons.diagnostics.Information,
-						hint = icons.diagnostics.Hint_alt,
+						hint = icons.diagnostics.Hint,
 					},
 				},
-				{ get_cwd },
+				components.lsp,
 			},
-			lualine_y = {
-				{ "filetype", colored = true, icon_only = true },
-				{ python_venv },
-				{ "encoding" },
+			lualine_x = {
+				{
+					"o:encoding",
+					fmt = string.upper,
+					padding = { left = 1 },
+					cond = conditions.hide_in_width,
+				},
 				{
 					"fileformat",
-					icons_enabled = true,
 					symbols = {
 						unix = "LF",
 						dos = "CRLF",
 						mac = "CR",
 					},
+					padding = { left = 1 },
+				},
+				{ -- spaces
+					function()
+						local shiftwidth = vim.api.nvim_buf_get_option(0, "shiftwidth")
+						return icons.ui.ChevronRight .. shiftwidth
+					end,
+					padding = 1,
 				},
 			},
-			lualine_z = { "progress", "location" },
+			lualine_y = {
+				components.separator,
+				components.python_venv,
+				components.cwd,
+			},
+			lualine_z = { "location" },
 		},
 		inactive_sections = {
 			lualine_a = {},
@@ -162,10 +248,4 @@ return function()
 			diffview,
 		},
 	})
-
-	-- Properly set background color for lspsaga
-	local winbar_bg = require("modules.utils").hl_to_rgb("StatusLine", true, colors.mantle)
-	for _, hlGroup in pairs(require("lspsaga.lspkind").get_kind_group()) do
-		require("modules.utils").extend_hl(hlGroup, { bg = winbar_bg })
-	end
 end
diff --git a/lua/modules/plugins/ui.lua b/lua/modules/plugins/ui.lua
index 4230ea31f..7383b3954 100644
--- a/lua/modules/plugins/ui.lua
+++ b/lua/modules/plugins/ui.lua
@@ -38,7 +38,7 @@ ui["lukas-reineke/indent-blankline.nvim"] = {
 }
 ui["nvim-lualine/lualine.nvim"] = {
 	lazy = true,
-	event = { "BufReadPost", "BufAdd", "BufNewFile" },
+	event = "BufWinEnter",
 	config = require("ui.lualine"),
 }
 ui["zbirenbaum/neodim"] = {

From cc9ab7d0e24de06d97228a3e64171c47955ea1f0 Mon Sep 17 00:00:00 2001
From: Jint-lzxy <50296129+Jint-lzxy@users.noreply.github.com>
Date: Sat, 1 Jul 2023 18:25:36 +0800
Subject: [PATCH 2/6] fixup! feat(ui)!: unify UI component `lualine`

---
 lua/core/options.lua                          |   2 +-
 lua/modules/configs/completion/formatting.lua |   2 +-
 lua/modules/configs/completion/lspsaga.lua    |   2 +-
 lua/modules/configs/ui/bufferline.lua         |   2 +-
 lua/modules/configs/ui/catppuccin.lua         |   2 +-
 lua/modules/configs/ui/lualine.lua            | 269 ++++++++++++------
 lua/modules/plugins/completion.lua            |  12 +-
 lua/modules/plugins/ui.lua                    |   2 +-
 lua/modules/utils/icons.lua                   |   3 +
 9 files changed, 201 insertions(+), 95 deletions(-)

diff --git a/lua/core/options.lua b/lua/core/options.lua
index ed149c4af..b620249b1 100644
--- a/lua/core/options.lua
+++ b/lua/core/options.lua
@@ -17,7 +17,7 @@ local function load_options()
 		breakat = [[\ \	;:,!?]],
 		breakindentopt = "shift:2,min:20",
 		clipboard = "unnamedplus",
-		cmdheight = 2, -- 0, 1, 2
+		cmdheight = 1, -- 0, 1, 2
 		cmdwinheight = 5,
 		complete = ".,w,b,k",
 		completeopt = "menuone,noselect",
diff --git a/lua/modules/configs/completion/formatting.lua b/lua/modules/configs/completion/formatting.lua
index f1586dd11..3e0b9a507 100644
--- a/lua/modules/configs/completion/formatting.lua
+++ b/lua/modules/configs/completion/formatting.lua
@@ -35,7 +35,7 @@ end, { nargs = 1, complete = "filetype" })
 
 function M.enable_format_on_save(is_configured)
 	local opts = { pattern = "*", timeout = 1000 }
-	vim.api.nvim_create_augroup("format_on_save", {})
+	vim.api.nvim_create_augroup("format_on_save", { clear = true })
 	vim.api.nvim_create_autocmd("BufWritePre", {
 		group = "format_on_save",
 		pattern = opts.pattern,
diff --git a/lua/modules/configs/completion/lspsaga.lua b/lua/modules/configs/completion/lspsaga.lua
index feb371ef6..42cc4a146 100644
--- a/lua/modules/configs/completion/lspsaga.lua
+++ b/lua/modules/configs/completion/lspsaga.lua
@@ -108,7 +108,7 @@ return function()
 			},
 		},
 		symbol_in_winbar = {
-			enable = false,
+			enable = true,
 			separator = " " .. icons.ui.Separator,
 			hide_keyword = true,
 			show_file = false,
diff --git a/lua/modules/configs/ui/bufferline.lua b/lua/modules/configs/ui/bufferline.lua
index 68f76f426..feb269e4b 100644
--- a/lua/modules/configs/ui/bufferline.lua
+++ b/lua/modules/configs/ui/bufferline.lua
@@ -8,7 +8,7 @@ return function()
 			buffer_close_icon = icons.ui.Close,
 			left_trunc_marker = icons.ui.Left,
 			right_trunc_marker = icons.ui.Right,
-			max_name_length = 14,
+			max_name_length = 20,
 			max_prefix_length = 13,
 			tab_size = 20,
 			color_icons = true,
diff --git a/lua/modules/configs/ui/catppuccin.lua b/lua/modules/configs/ui/catppuccin.lua
index 33a778f8b..2ceb357b8 100644
--- a/lua/modules/configs/ui/catppuccin.lua
+++ b/lua/modules/configs/ui/catppuccin.lua
@@ -172,7 +172,7 @@ return function()
 						bg = transparent_background and cp.none or cp.mantle,
 					},
 					TelescopeSelection = {
-						fg = cp.green,
+						fg = transparent_background and cp.subtext0 or cp.text,
 						bg = transparent_background and cp.none or cp.surface0,
 					},
 					TelescopeResultsDiffAdd = { fg = cp.green },
diff --git a/lua/modules/configs/ui/lualine.lua b/lua/modules/configs/ui/lualine.lua
index 878b86284..f2f541756 100644
--- a/lua/modules/configs/ui/lualine.lua
+++ b/lua/modules/configs/ui/lualine.lua
@@ -1,10 +1,50 @@
 return function()
+	local colors = require("modules.utils").get_palette()
 	local icons = {
 		diagnostics = require("modules.utils.icons").get("diagnostics", true),
 		git = require("modules.utils.icons").get("git", true),
+		git_nosep = require("modules.utils.icons").get("git"),
+		misc = require("modules.utils.icons").get("misc", true),
 		ui = require("modules.utils.icons").get("ui", true),
 	}
-	local iconsNoSpace = { git = require("modules.utils.icons").get("git", false) }
+
+	local custom_theme = function()
+		colors = require("modules.utils").get_palette()
+		local universal_bg = require("core.settings").transparent_background and "NONE" or colors.mantle
+		return {
+			normal = {
+				a = { fg = colors.lavender, bg = colors.surface0, gui = "bold" },
+				b = { fg = colors.text, bg = universal_bg },
+				c = { fg = colors.text, bg = universal_bg },
+			},
+			command = {
+				a = { fg = colors.yellow, bg = colors.surface0, gui = "bold" },
+			},
+			insert = {
+				a = { fg = colors.green, bg = colors.surface0, gui = "bold" },
+			},
+			visual = {
+				a = { fg = colors.flamingo, bg = colors.surface0, gui = "bold" },
+			},
+			terminal = {
+				a = { fg = colors.teal, bg = colors.surface0, gui = "bold" },
+			},
+			replace = {
+				a = { fg = colors.red, bg = colors.surface0, gui = "bold" },
+			},
+			inactive = {
+				a = { fg = colors.subtext0, bg = universal_bg, gui = "bold" },
+				b = { fg = colors.subtext0, bg = universal_bg },
+				c = { fg = colors.subtext0, bg = universal_bg },
+			},
+		}
+	end
+	vim.api.nvim_create_autocmd("ColorScheme", {
+		group = vim.api.nvim_create_augroup("LualineColorScheme", { clear = true }),
+		callback = function()
+			require("lualine").setup({ options = { theme = custom_theme() } })
+		end,
+	})
 
 	local mini_sections = {
 		lualine_a = { "filetype" },
@@ -23,44 +63,57 @@ return function()
 		filetypes = { "DiffviewFiles" },
 	}
 
-	local custom_theme = function()
-		local cp = require("modules.utils").get_palette()
-		return {
-			normal = {
-				a = { fg = cp.green, bg = cp.surface0, gui = "bold" },
-				b = { fg = cp.text, bg = cp.mantle },
-				c = { fg = cp.text, bg = cp.mantle },
-			},
-			command = { a = { fg = cp.yellow, bg = cp.surface0, gui = "bold" } },
-			insert = { a = { fg = cp.blue, bg = cp.surface0, gui = "bold" } },
-			visual = { a = { fg = cp.mauve, bg = cp.surface0, gui = "bold" } },
-			terminal = { a = { fg = cp.teal, bg = cp.surface0, gui = "bold" } },
-			replace = { a = { fg = cp.red, bg = cp.surface0, gui = "bold" } },
-			inactive = {
-				a = { fg = cp.subtext0, bg = cp.mantle, gui = "bold" },
-				b = { fg = cp.subtext0, bg = cp.mantle },
-				c = { fg = cp.subtext0, bg = cp.mantle },
-			},
-		}
-	end
-	vim.api.nvim_create_autocmd("ColorScheme", {
-		group = vim.api.nvim_create_augroup("LualineColorScheme", { clear = true }),
-		callback = function()
-			require("lualine").setup({ options = { theme = custom_theme() } })
+	local conditionals = {
+		trunc = function()
+			return vim.o.columns > 145
 		end,
-	})
-
-	local conditions = {
-		hide_in_width = function()
-			return vim.o.columns > 100
+		has_comp_before = function()
+			return vim.bo.filetype ~= ""
 		end,
-		check_git_workspace = function()
+		has_git = function()
 			local filepath = vim.fn.expand("%:p:h")
 			local gitdir = vim.fn.finddir(".git", filepath .. ";")
 			return gitdir and #gitdir > 0 and #gitdir < #filepath
 		end,
 	}
 
+	---@class lualine_hlgrp
+	---@field fg string
+	---@field bg string
+	---@field gui string?
+	local utils = {
+		force_centering = function()
+			return "%="
+		end,
+		abbreviate_path = function(path)
+			local home = require("core.global").home
+			if path:find(home, 1, true) == 1 then
+				path = "~" .. path:sub(#home + 1)
+			end
+			return path
+		end,
+		---Generate <func>`color` for any component
+		---@param fg string @Foreground hl group
+		---@param gen_bg boolean @Generate guibg from hl group |StatusLine|?
+		---@param special_nobg boolean @Disable guibg for transparent backgrounds?
+		---@param bg string? @Background hl group
+		---@param gui string? @GUI highlight arguments
+		---@return fun():lualine_hlgrp
+		gen_hl = function(fg, gen_bg, special_nobg, bg, gui)
+			return function()
+				local guifg = colors[fg]
+				local guibg = gen_bg and require("modules.utils").hl_to_rgb("StatusLine", true, colors.mantle)
+					or colors[bg]
+				local nobg = special_nobg and require("core.settings").transparent_background
+				return {
+					fg = guifg and guifg or colors.none,
+					bg = (guibg and not nobg) and guibg or colors.none,
+					gui = gui and gui or nil,
+				}
+			end
+		end,
+	}
+
 	local function diff_source()
 		local gitsigns = vim.b.gitsigns_status_dict
 		if gitsigns then
@@ -77,27 +130,61 @@ return function()
 			function()
 				return "│"
 			end,
-			padding = {},
-			color = "LualineSeparator",
+			padding = 0,
+			color = utils.gen_hl("surface1", true, true),
+		},
+
+		file_status = {
+			function()
+				local function is_new_file()
+					local filename = vim.fn.expand("%")
+					return filename ~= "" and vim.bo.buftype == "" and vim.fn.filereadable(filename) == 0
+				end
+
+				local symbols = {}
+				if vim.bo.modified then
+					table.insert(symbols, "[+]")
+				end
+				if vim.bo.modifiable == false then
+					table.insert(symbols, "[-]")
+				end
+				if vim.bo.readonly == true then
+					table.insert(symbols, "[RO]")
+				end
+				if is_new_file() then
+					table.insert(symbols, "[New]")
+				end
+				return #symbols > 0 and table.concat(symbols, "") or ""
+			end,
+			padding = { left = -1, right = 1 },
+			cond = conditionals.has_comp_before,
 		},
 
 		lsp = {
 			function()
-				if rawget(vim, "lsp") then
-					local names = {}
-					local lsp_exist = false
-					for _, client in ipairs(vim.lsp.get_active_clients()) do
-						if client.attached_buffers[vim.api.nvim_get_current_buf()] and client.name ~= "null-ls" then
-							table.insert(names, client.name)
-							lsp_exist = true
+				local buf_ft = vim.api.nvim_buf_get_option(0, "filetype")
+				local clients = vim.lsp.get_active_clients()
+				local lsp_lists = {}
+				local available_servers = {}
+				if next(clients) == nil then
+					return icons.misc.NoActiveLsp -- No server available
+				end
+				for _, client in ipairs(clients) do
+					local filetypes = client.config.filetypes
+					local client_name = client.name
+					if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
+						-- Avoid adding servers that already exists.
+						if not lsp_lists[client_name] then
+							lsp_lists[client_name] = true
+							table.insert(available_servers, client_name)
 						end
 					end
-					return lsp_exist and "󱜙 [" .. table.concat(names, ", ") .. "]" or "󱚧"
 				end
-				return "󱚧"
+				return next(available_servers) == nil and icons.misc.NoActiveLsp
+					or string.format("%s[%s]", icons.misc.LspAvailable, table.concat(available_servers, ", "))
 			end,
-			color = "LualineLSP",
-			cond = conditions.hide_in_width,
+			color = utils.gen_hl("blue", true, true, nil, "bold"),
+			cond = conditionals.trunc,
 		},
 
 		python_venv = {
@@ -113,7 +200,7 @@ return function()
 					return venv
 				end
 
-				if vim.bo.filetype == "python" then
+				if vim.api.nvim_buf_get_option(0, "filetype") == "python" then
 					local venv = os.getenv("CONDA_DEFAULT_ENV")
 					if venv then
 						return string.format("%s", env_cleanup(venv))
@@ -125,22 +212,39 @@ return function()
 				end
 				return ""
 			end,
-			color = "LualinePyVenv",
-			cond = conditions.hide_in_width,
+			color = utils.gen_hl("green", true, true),
+			cond = conditionals.trunc,
 		},
+
+		shiftwidth = {
+			function()
+				return icons.ui.ArrowClosed .. vim.api.nvim_buf_get_option(0, "shiftwidth")
+			end,
+			padding = 1,
+		},
+
 		cwd = {
 			function()
-				local cwd = vim.fn.getcwd()
-				local is_windows = require("core.global").is_windows
-				if not is_windows then
-					local home = require("core.global").home
-					if cwd:find(home, 1, true) == 1 then
-						cwd = "~" .. cwd:sub(#home + 1)
-					end
+				return icons.ui.FolderWithHeart .. utils.abbreviate_path(vim.fs.normalize(vim.fn.getcwd()))
+			end,
+			color = utils.gen_hl("subtext0", true, true, nil, "bold"),
+		},
+
+		file_location = {
+			function()
+				local cursorline = vim.fn.line(".")
+				local cursorcol = vim.fn.virtcol(".")
+				local filelines = vim.fn.line("$")
+				local position = "N/A"
+				if cursorline == 1 then
+					position = "Top"
+				elseif cursorline == filelines then
+					position = "Bot"
+				else
+					position = string.format("%2d%%%%", math.floor(cursorline / filelines * 100))
 				end
-				return icons.ui.RootFolderOpened .. cwd
+				return string.format("%s · %3d:%-2d", position, cursorline, cursorcol)
 			end,
-			color = "LualineCWD",
 		},
 	}
 
@@ -155,36 +259,39 @@ return function()
 		sections = {
 			lualine_a = { "mode" },
 			lualine_b = {
-				-- idk what to put here
-
-				-- FIXME: not perfect when in buffers such as `help`
-				-- vim.tbl_deep_extend("force", components.separator, { cond = conditions.check_git_workspace }),
+				{
+					"filetype",
+					colored = true,
+					icon_only = false,
+					icon = { align = "left" },
+				},
+				components.file_status,
+				vim.tbl_deep_extend("force", components.separator, {
+					cond = function()
+						return conditionals.has_git() and conditionals.has_comp_before()
+					end,
+				}),
 			},
 			lualine_c = {
-				{ -- branch
-					"b:gitsigns_head",
-					icon = iconsNoSpace.git.Branch,
-					color = "LualineBranch",
+				{
+					"branch",
+					icon = icons.git_nosep.Branch,
+					color = utils.gen_hl("subtext0", true, true, nil, "bold"),
 				},
 				{
 					"diff",
 					symbols = {
 						added = icons.git.Add,
-						modified = icons.git.Mod,
+						modified = icons.git.Mod_alt,
 						removed = icons.git.Remove,
 					},
 					source = diff_source,
 					colored = false,
-					color = "LualineDiff",
+					color = utils.gen_hl("subtext0", true, true),
 					padding = { right = 1 },
 				},
 
-				{ -- center
-					function()
-						return "%="
-					end,
-				},
-
+				{ utils.force_centering },
 				{
 					"diagnostics",
 					sources = { "nvim_diagnostic" },
@@ -193,41 +300,35 @@ return function()
 						error = icons.diagnostics.Error,
 						warn = icons.diagnostics.Warning,
 						info = icons.diagnostics.Information,
-						hint = icons.diagnostics.Hint,
+						hint = icons.diagnostics.Hint_alt,
 					},
 				},
 				components.lsp,
 			},
 			lualine_x = {
 				{
-					"o:encoding",
+					"encoding",
 					fmt = string.upper,
 					padding = { left = 1 },
-					cond = conditions.hide_in_width,
+					cond = conditionals.trunc,
 				},
 				{
 					"fileformat",
 					symbols = {
 						unix = "LF",
 						dos = "CRLF",
-						mac = "CR",
+						mac = "CR", -- Legacy macOS
 					},
 					padding = { left = 1 },
 				},
-				{ -- spaces
-					function()
-						local shiftwidth = vim.api.nvim_buf_get_option(0, "shiftwidth")
-						return icons.ui.ChevronRight .. shiftwidth
-					end,
-					padding = 1,
-				},
+				components.shiftwidth,
 			},
 			lualine_y = {
 				components.separator,
 				components.python_venv,
 				components.cwd,
 			},
-			lualine_z = { "location" },
+			lualine_z = { components.file_location },
 		},
 		inactive_sections = {
 			lualine_a = {},
diff --git a/lua/modules/plugins/completion.lua b/lua/modules/plugins/completion.lua
index 241a2b7dc..b8371390b 100644
--- a/lua/modules/plugins/completion.lua
+++ b/lua/modules/plugins/completion.lua
@@ -5,15 +5,17 @@ completion["neovim/nvim-lspconfig"] = {
 	event = { "BufReadPost", "BufAdd", "BufNewFile" },
 	config = require("completion.lsp"),
 	dependencies = {
-		{ "ray-x/lsp_signature.nvim" },
 		{ "williamboman/mason.nvim" },
 		{ "williamboman/mason-lspconfig.nvim" },
-		{
-			"nvimdev/lspsaga.nvim",
-			config = require("completion.lspsaga"),
-		},
+		{ "ray-x/lsp_signature.nvim" },
 	},
 }
+completion["nvimdev/lspsaga.nvim"] = {
+	lazy = true,
+	event = "LspAttach",
+	config = require("completion.lspsaga"),
+	dependencies = { "nvim-tree/nvim-web-devicons" },
+}
 completion["jose-elias-alvarez/null-ls.nvim"] = {
 	lazy = true,
 	event = { "CursorHold", "CursorHoldI" },
diff --git a/lua/modules/plugins/ui.lua b/lua/modules/plugins/ui.lua
index 7383b3954..4230ea31f 100644
--- a/lua/modules/plugins/ui.lua
+++ b/lua/modules/plugins/ui.lua
@@ -38,7 +38,7 @@ ui["lukas-reineke/indent-blankline.nvim"] = {
 }
 ui["nvim-lualine/lualine.nvim"] = {
 	lazy = true,
-	event = "BufWinEnter",
+	event = { "BufReadPost", "BufAdd", "BufNewFile" },
 	config = require("ui.lualine"),
 }
 ui["zbirenbaum/neodim"] = {
diff --git a/lua/modules/utils/icons.lua b/lua/modules/utils/icons.lua
index 365143e4f..7780650cc 100644
--- a/lua/modules/utils/icons.lua
+++ b/lua/modules/utils/icons.lua
@@ -94,6 +94,7 @@ local data = {
 		Fire = "",
 		Folder = "",
 		FolderOpen = "",
+		FolderWithHeart = "󱃪",
 		Gear = "",
 		History = "󰄉",
 		Incoming = "󰏷",
@@ -147,12 +148,14 @@ local data = {
 		EscapeST = "",
 		Gavel = "",
 		Glass = "󰂖",
+		NoActiveLsp = "󱚧",
 		PyEnv = "󰌠",
 		Squirrel = "",
 		Tag = "",
 		Tree = "",
 		Watch = "",
 		Lego = "",
+		LspAvailable = "󱜙",
 		Vbar = "│",
 		Add = "+",
 		Added = "",

From bdf0784545ffbc46c89a5bea775eea9635362a95 Mon Sep 17 00:00:00 2001
From: Jint-lzxy <50296129+Jint-lzxy@users.noreply.github.com>
Date: Sat, 1 Jul 2023 18:32:36 +0800
Subject: [PATCH 3/6] fix ci

---
 lua/modules/configs/ui/lualine.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/modules/configs/ui/lualine.lua b/lua/modules/configs/ui/lualine.lua
index f2f541756..e58021921 100644
--- a/lua/modules/configs/ui/lualine.lua
+++ b/lua/modules/configs/ui/lualine.lua
@@ -235,7 +235,7 @@ return function()
 				local cursorline = vim.fn.line(".")
 				local cursorcol = vim.fn.virtcol(".")
 				local filelines = vim.fn.line("$")
-				local position = "N/A"
+				local position
 				if cursorline == 1 then
 					position = "Top"
 				elseif cursorline == filelines then

From 730e07d0bf457745e8fb770c7a6e2560a9653af2 Mon Sep 17 00:00:00 2001
From: Jint-lzxy <50296129+Jint-lzxy@users.noreply.github.com>
Date: Sat, 1 Jul 2023 19:07:50 +0800
Subject: [PATCH 4/6] fix autocmd registration

---
 lua/modules/configs/ui/lualine.lua | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/lua/modules/configs/ui/lualine.lua b/lua/modules/configs/ui/lualine.lua
index e58021921..061af43d8 100644
--- a/lua/modules/configs/ui/lualine.lua
+++ b/lua/modules/configs/ui/lualine.lua
@@ -8,7 +8,14 @@ return function()
 		ui = require("modules.utils.icons").get("ui", true),
 	}
 
-	local custom_theme = function()
+	local function custom_theme()
+		vim.api.nvim_create_autocmd("ColorScheme", {
+			group = vim.api.nvim_create_augroup("LualineColorScheme", { clear = true }),
+			callback = function()
+				require("lualine").setup({ options = { theme = custom_theme() } })
+			end,
+		})
+
 		colors = require("modules.utils").get_palette()
 		local universal_bg = require("core.settings").transparent_background and "NONE" or colors.mantle
 		return {
@@ -18,7 +25,7 @@ return function()
 				c = { fg = colors.text, bg = universal_bg },
 			},
 			command = {
-				a = { fg = colors.yellow, bg = colors.surface0, gui = "bold" },
+				a = { fg = colors.peach, bg = colors.surface0, gui = "bold" },
 			},
 			insert = {
 				a = { fg = colors.green, bg = colors.surface0, gui = "bold" },
@@ -39,12 +46,6 @@ return function()
 			},
 		}
 	end
-	vim.api.nvim_create_autocmd("ColorScheme", {
-		group = vim.api.nvim_create_augroup("LualineColorScheme", { clear = true }),
-		callback = function()
-			require("lualine").setup({ options = { theme = custom_theme() } })
-		end,
-	})
 
 	local mini_sections = {
 		lualine_a = { "filetype" },

From 36843857464f30ffc56875428b1eceb310aeed39 Mon Sep 17 00:00:00 2001
From: Jint-lzxy <50296129+Jint-lzxy@users.noreply.github.com>
Date: Sat, 1 Jul 2023 19:21:59 +0800
Subject: [PATCH 5/6] cleanups

---
 lua/modules/configs/ui/bufferline.lua |  4 ++--
 lua/modules/configs/ui/catppuccin.lua | 15 +++++++--------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/lua/modules/configs/ui/bufferline.lua b/lua/modules/configs/ui/bufferline.lua
index feb269e4b..7ceabab57 100644
--- a/lua/modules/configs/ui/bufferline.lua
+++ b/lua/modules/configs/ui/bufferline.lua
@@ -29,13 +29,13 @@ return function()
 					filetype = "NvimTree",
 					text = "File Explorer",
 					text_align = "center",
-					padding = 1,
+					padding = 0,
 				},
 				{
 					filetype = "lspsagaoutline",
 					text = "Lspsaga Outline",
 					text_align = "center",
-					padding = 1,
+					padding = 0,
 				},
 			},
 		},
diff --git a/lua/modules/configs/ui/catppuccin.lua b/lua/modules/configs/ui/catppuccin.lua
index 2ceb357b8..3c2e0bb5c 100644
--- a/lua/modules/configs/ui/catppuccin.lua
+++ b/lua/modules/configs/ui/catppuccin.lua
@@ -128,6 +128,13 @@ return function()
 						bg = transparent_background and cp.none or cp.mantle,
 					},
 
+					-- For lspsaga.nvim
+					OutlineNormal = { bg = transparent_background and cp.none or cp.mantle },
+					OutlineWinSeparator = {
+						bg = transparent_background and cp.none or cp.base,
+						fg = transparent_background and cp.surface1 or cp.base,
+					},
+
 					-- For fidget
 					FidgetTask = { bg = cp.none, fg = cp.surface2 },
 					FidgetTitle = { fg = cp.blue, style = { "bold" } },
@@ -181,14 +188,6 @@ return function()
 
 					-- For treesitter
 					["@keyword.return"] = { fg = cp.pink, style = clear },
-
-					-- For lualine
-					LualineBranch = { fg = cp.subtext0, bg = cp.mantle, style = { "bold" } },
-					LualineDiff = { fg = cp.subtext0, bg = cp.mantle },
-					LualineLSP = { fg = cp.blue, bg = cp.mantle, style = { "bold" } },
-					LualinePyVenv = { fg = cp.green, bg = cp.mantle },
-					LualineCWD = { fg = cp.subtext0, bg = cp.mantle, style = { "bold" } },
-					LualineSeparator = { fg = cp.surface1, bg = cp.mantle },
 				}
 			end,
 		},

From 204e4c0cc0b5ad6f45718f0f0e76c66175a10763 Mon Sep 17 00:00:00 2001
From: Jint-lzxy <50296129+Jint-lzxy@users.noreply.github.com>
Date: Sat, 1 Jul 2023 19:39:22 +0800
Subject: [PATCH 6/6] chore: make function names more intuitive

---
 lua/modules/configs/ui/lualine.lua | 16 ++++++++--------
 lua/modules/utils/icons.lua        |  1 +
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/lua/modules/configs/ui/lualine.lua b/lua/modules/configs/ui/lualine.lua
index 061af43d8..d80a716d2 100644
--- a/lua/modules/configs/ui/lualine.lua
+++ b/lua/modules/configs/ui/lualine.lua
@@ -65,8 +65,8 @@ return function()
 	}
 
 	local conditionals = {
-		trunc = function()
-			return vim.o.columns > 145
+		has_enough_room = function()
+			return vim.o.columns > 100
 		end,
 		has_comp_before = function()
 			return vim.bo.filetype ~= ""
@@ -185,7 +185,7 @@ return function()
 					or string.format("%s[%s]", icons.misc.LspAvailable, table.concat(available_servers, ", "))
 			end,
 			color = utils.gen_hl("blue", true, true, nil, "bold"),
-			cond = conditionals.trunc,
+			cond = conditionals.has_enough_room,
 		},
 
 		python_venv = {
@@ -214,12 +214,12 @@ return function()
 				return ""
 			end,
 			color = utils.gen_hl("green", true, true),
-			cond = conditionals.trunc,
+			cond = conditionals.has_enough_room,
 		},
 
-		shiftwidth = {
+		tabwidth = {
 			function()
-				return icons.ui.ArrowClosed .. vim.api.nvim_buf_get_option(0, "shiftwidth")
+				return icons.ui.Tab .. vim.api.nvim_buf_get_option(0, "shiftwidth")
 			end,
 			padding = 1,
 		},
@@ -311,7 +311,7 @@ return function()
 					"encoding",
 					fmt = string.upper,
 					padding = { left = 1 },
-					cond = conditionals.trunc,
+					cond = conditionals.has_enough_room,
 				},
 				{
 					"fileformat",
@@ -322,7 +322,7 @@ return function()
 					},
 					padding = { left = 1 },
 				},
-				components.shiftwidth,
+				components.tabwidth,
 			},
 			lualine_y = {
 				components.separator,
diff --git a/lua/modules/utils/icons.lua b/lua/modules/utils/icons.lua
index 7780650cc..1bbe7dfb2 100644
--- a/lua/modules/utils/icons.lua
+++ b/lua/modules/utils/icons.lua
@@ -126,6 +126,7 @@ local data = {
 		Sort = "",
 		Spell = "󰓆",
 		Symlink = "",
+		Tab = "",
 		Table = "",
 		Telescope = "",
 	},