vim-settings/neovim/lua/plugins/lualine.lua
2021-09-27 18:00:17 -07:00

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local M = {}
-- Only return interesting ffenc (not utf-8[unix])
function M.custom_ffenc()
local enc = vim.bo.fenc
local format = vim.bo.fileformat
if enc ~= "utf-8" or format ~= "unix" then
return enc .. "[" .. format .. "]"
end
return nil
end
-- Use only single letters for mode names
function M.single_letter_mode()
local mode_map = {
['__'] = '-',
['n'] = 'N',
['i'] = 'I',
['R'] = 'R',
['c'] = 'C',
['v'] = 'V',
['V'] = 'V',
[''] = 'V',
['s'] = 'S',
['S'] = 'S',
[''] = 'S',
['t'] = 'T',
}
return mode_map[vim.fn.mode()]
end
function M.mixed_indent()
local mixed = vim.fn.search([[\v^(\t+ | +\t)]], 'nw')
if mixed > 0 then
return "i:" .. mixed
end
local space_indent = vim.fn.search([[\v^ +]], 'nw')
local tab_indent = vim.fn.search([[\v^\t+]], 'nw')
if tab_indent > 0 and space_indent > 0 then
return "i:" .. require("math").max(tab_indent, space_indent)
end
return nil
end
function M.trailing_whitespace()
local line = vim.fn.search([[\s\+$]], 'nw')
if line ~= 0 then
return "tw:" .. line
end
return nil
end
-- Configure lualine witha provided theme
function M.config_lualine(theme_name)
-- Theme name transformations
if theme_name == nil then
theme_name = "auto"
elseif theme_name:find("wombat") then
theme_name = "wombat"
elseif theme_name == "wombuddy" then
theme_name = "wombat"
end
require("lualine").setup {
options = {
theme = theme_name,
icons_enabled = false,
component_separators = {"|", "|"},
section_separators = {"", ""},
},
sections = {
lualine_a = { M.single_letter_mode },
lualine_b = { "FugitiveHead", "diff" },
lualine_c = { "filename" },
lualine_x = { M.custom_ffenc, "filetype" },
lualine_y = { "progress", "location" },
lualine_z = {
{ "diagnostics", sources = { "nvim_lsp" } },
{ M.mixed_indent, color = { bg = "#de4f1f" } },
{ M.trailing_whitespace, color = { bg = "#de4f1f" } },
},
},
}
end
return M