fix(lualine): truly transparent

Author: ntk148v

lua/autocmds.lua

@@ -62,3 +62,11 @@ autocmd("Filetype", {
         vim.opt_local.spell = true
     end,
 })
+
+autocmd({ "ColorScheme" }, {
+    callback = function()
+        vim.cmd [[hi Lualine_c_normal guibg=none]]
+        vim.cmd [[hi StatusLine guibg=none]]
+        vim.cmd [[hi StatusLineNC guibg=none]]
+    end,
+})

lua/plugins/configs/lualine.lua

@@ -11,163 +11,181 @@
 -- Author: Kien Nguyen-Tuan <kiennt2609@gmail.com>
 
 local lualine = require "lualine"
+local utils = require "utils"
 
 local conditions = {
-  buffer_not_empty = function() return vim.fn.empty(vim.fn.expand "%:t") ~= 1 end,
-  hide_in_width = function() return vim.fn.winwidth(0) > 80 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,
+    buffer_not_empty = function() return vim.fn.empty(vim.fn.expand "%:t") ~= 1 end,
+    hide_in_width = function() return vim.fn.winwidth(0) > 80 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,
 }
 
+local auto = require "lualine.themes.auto"
+local function make_transparent(theme_table)
+    for _, sections in pairs(theme_table) do
+        if type(sections) == "table" then
+            for _, section_colors in pairs(sections) do
+                -- Set the background of every section to nil
+                if type(section_colors) == "table" and section_colors.bg then section_colors.bg = nil end
+            end
+        end
+    end
+end
+
+-- Apply transparency
+make_transparent(auto)
+
 -- Config
 local config = {
-  options = {
-    theme = "auto",
-    component_separators = "",
-    section_separators = "",
-    disabled_filetypes = { "Lazy", "NvimTree" },
-  },
-
-  sections = {
-    lualine_a = {},
-    lualine_b = {},
-    lualine_y = {},
-    lualine_z = {},
-    lualine_c = {},
-    lualine_x = {},
-  },
-
-  inactive_sections = {
-    lualine_a = {},
-    lualine_b = {},
-    lualine_y = {},
-    lualine_z = {},
-    lualine_c = {},
-    lualine_x = {},
-  },
-
-  tabline = {
-    lualine_a = {
-      {
-        "buffers",
-        max_length = vim.o.columns * 2 / 3,
-        show_filename_only = false,
-        mode = 0,
-        right_padding = 5,
-        left_padding = 5,
-        use_mode_colors = true,
-        buffers_color = {
-          active = { gui = "bold" },
-          inactive = {},
-        },
-        symbols = {
-          modified = " ●",
-          alternate_file = "",
-          directory = "",
+    options = {
+        theme = auto,
+        component_separators = "",
+        section_separators = "",
+        disabled_filetypes = { "Lazy", "NvimTree" },
+    },
+
+    sections = {
+        lualine_a = {},
+        lualine_b = {},
+        lualine_y = {},
+        lualine_z = {},
+        lualine_c = {},
+        lualine_x = {},
+    },
+
+    inactive_sections = {
+        lualine_a = {},
+        lualine_b = {},
+        lualine_y = {},
+        lualine_z = {},
+        lualine_c = {},
+        lualine_x = {},
+    },
+
+    tabline = {
+        lualine_a = {
+            {
+                "buffers",
+                max_length = vim.o.columns * 2 / 3,
+                show_filename_only = false,
+                mode = 0,
+                right_padding = 5,
+                left_padding = 5,
+                use_mode_colors = true,
+                buffers_color = {
+                    -- Same values as the general color option can be used here.
+                    active = {
+                        fg = utils.darken(auto.normal.a.fg, 1.2),
+                        bg = auto.normal.a.bg,
+                        gui = "bold",
+                    },
+                    inactive = {
+                        fg = auto.normal.a.fg,
+                        bg = auto.normal.a.bg,
+                    },
+                },
+                symbols = {
+                    modified = " ●",
+                    alternate_file = "",
+                    directory = "",
+                },
+            },
         },
-      },
     },
-  },
 
-  extensions = { "nvim-tree", "mason", "fzf" },
+    extensions = { "nvim-tree", "mason", "fzf" },
 }
 
 -- Mode symbol
 local function mode()
-  local mode_map = {
-    n = "N",
-    i = "I",
-    v = "V",
-    [""] = "V",
-    V = "V",
-    c = "C",
-    no = "N",
-    s = "S",
-    S = "S",
-    ic = "I",
-    R = "R",
-    Rv = "R",
-    cv = "C",
-    ce = "C",
-    r = "R",
-    rm = "M",
-    ["r?"] = "?",
-    ["!"] = "!",
-    t = "T",
-  }
-  return mode_map[vim.fn.mode()] or "[?]"
+    local mode_map = {
+        n = "N",
+        i = "I",
+        v = "V",
+        [""] = "V",
+        V = "V",
+        c = "C",
+        no = "N",
+        s = "S",
+        S = "S",
+        ic = "I",
+        R = "R",
+        Rv = "R",
+        cv = "C",
+        ce = "C",
+        r = "R",
+        rm = "M",
+        ["r?"] = "?",
+        ["!"] = "!",
+        t = "T",
+    }
+    return mode_map[vim.fn.mode()] or "[?]"
 end
 
 -- Helpers
-local function ins_left(component)
-  table.insert(config.sections.lualine_c, component)
-end
+local function ins_left(component) table.insert(config.sections.lualine_c, component) end
 
-local function ins_right(component)
-  table.insert(config.sections.lualine_x, component)
-end
+local function ins_right(component) table.insert(config.sections.lualine_x, component) end
 
 -- Left side
 ins_left { mode }
 
 ins_left {
-  "branch",
-  icon = " ",
-  color = { gui = "bold" },
+    "branch",
+    icon = " ",
+    color = { gui = "bold" },
 }
 
 ins_left {
-  "diff",
-  symbols = { added = " ", modified = "󰝤 ", removed = " " },
-  cond = conditions.hide_in_width,
+    "diff",
+    symbols = { added = " ", modified = "󰝤 ", removed = " " },
+    cond = conditions.hide_in_width,
 }
 
 ins_left { function() return "%=" end }
 
 -- Right side
 ins_right {
-  function()
-    local msg = "null"
-    local buf_ft = vim.api.nvim_buf_get_option(0, "filetype")
-    local clients = vim.lsp.get_active_clients()
-    if next(clients) == nil then return msg end
-    for _, client in ipairs(clients) do
-      local filetypes = client.config.filetypes
-      if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
-        return client.name
-      end
-    end
-    return msg
-  end,
-  icon = " LSP:",
-  color = { gui = "bold" },
+    function()
+        local msg = "null"
+        local buf_ft = vim.api.nvim_buf_get_option(0, "filetype")
+        local clients = vim.lsp.get_active_clients()
+        if next(clients) == nil then return msg end
+        for _, client in ipairs(clients) do
+            local filetypes = client.config.filetypes
+            if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then return client.name end
+        end
+        return msg
+    end,
+    icon = " LSP:",
+    color = { gui = "bold" },
 }
 
 ins_right {
-  "diagnostics",
-  sources = { "nvim_diagnostic" },
-  symbols = { error = " ", warn = " ", info = " ", hints = "󰛩 " },
-  always_visible = false,
+    "diagnostics",
+    sources = { "nvim_diagnostic" },
+    symbols = { error = " ", warn = " ", info = " ", hints = "󰛩 " },
+    always_visible = false,
 }
 
 ins_right {
-  "fileformat",
-  fmt = string.upper,
-  icons_enabled = true,
-  color = { gui = "bold" },
+    "fileformat",
+    fmt = string.upper,
+    icons_enabled = true,
+    color = { gui = "bold" },
 }
 
 ins_right {
-  "location",
-  color = { gui = "bold" },
+    "location",
+    color = { gui = "bold" },
 }
 
 ins_right {
-  "progress",
-  color = { gui = "bold" },
+    "progress",
+    color = { gui = "bold" },
 }
 
 -- Initialize lualine