neovim: add lualine

neovim/.config/nvim/after/plugin/lualine.lua

@@ -0,0 +1,127 @@
+local lualine = require("lualine")
+local devicons = require("nvim-web-devicons")
+
+local mode = {
+  "mode",
+}
+
+local branch = {
+  "branch",
+  icons_enabled = true,
+  icon = "",
+}
+
+local diagnostics = {
+  "diagnostics",
+  sections = { "error", "warn", "info", "hint" },
+  always_visible = true,
+}
+
+local relative_filename = {
+  "filename",
+  path = 1,
+}
+
+local filetype = {
+  function()
+    local filetype = vim.bo.filetype
+    local filename = vim.fn.expand("%:t")
+    local fileext = vim.fn.expand("%:e")
+    local icon = devicons.get_icon(filename, fileext)
+
+    if filetype == "fugitive" then
+      icon = devicons.get_icons().git.icon
+    end
+
+    if not icon then
+      return filetype
+    end
+
+    return icon .. " " .. filetype
+  end,
+}
+
+local filename = {
+  function()
+    local filetype = vim.bo.filetype
+    local filename = vim.fn.expand("%:t")
+    local fileext = vim.fn.expand("%:e")
+    local icon = devicons.get_icon(filename, fileext)
+    local modified = vim.bo.modified
+
+    if filetype == "fugitive" then
+      icon = devicons.get_icons().git.icon
+    end
+
+    if not icon then
+      return filename
+    end
+
+    if modified then
+      return icon .. " " .. filename .. " " .. "[+]"
+    end
+
+    return icon .. " " .. filename
+  end,
+}
+
+local fileformat = {
+  function()
+    return "[" .. vim.bo.fileformat .. "]"
+  end,
+}
+
+local tabstop = {
+  function()
+    local tabstop = vim.bo.tabstop
+    local expandtab = vim.bo.expandtab
+
+    local method = expandtab == true and "spaces" or "tabs"
+    local format = tabstop .. " " .. method
+
+    return format
+  end,
+}
+
+local location = {
+  function()
+    local line = vim.fn.line(".")
+    local total_lines = vim.api.nvim_buf_line_count(0)
+
+    local percent = math.floor(line / total_lines * 100)
+
+    return line .. "/" .. total_lines .. " (" .. percent .. "%%)"
+  end,
+}
+
+local diff = {
+  "diff",
+}
+
+lualine.setup({
+  options = {
+    component_separators = "",
+    section_separators = "",
+    globalstatus = true,
+    disabled_filetypes = {
+      winbar = {
+        "NvimTree",
+      },
+    },
+  },
+  winbar = {
+    lualine_a = { filename },
+  },
+  inactive_winbar = {
+    lualine_a = { filename },
+  },
+  sections = {
+    lualine_a = { mode },
+    lualine_b = { branch },
+    lualine_c = { diagnostics, relative_filename },
+    lualine_x = { diff, location, tabstop, fileformat },
+    lualine_y = { filetype },
+    lualine_z = {},
+  },
+  extensions = { "nvim-tree", "fugitive", "quickfix" },
+})