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local fn = vim.fn
local function spell()
if vim.o.spell then
return string.format("[SPELL]")
end
return ""
end
local function ime_state()
if vim.g.is_mac then
-- ref: https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
local layout = fn.libcall(vim.g.XkbSwitchLib, 'Xkb_Switch_getXkbLayout', '')
if layout == '0' then
return '[CN]'
end
end
return ""
end
local function trailing_space()
if not vim.o.modifiable then
return ""
end
local line_num = nil
for i=1, fn.line('$') do
local linetext = fn.getline(i)
-- To prevent invalid escape error, we wrap the regex string with `[[]]`.
local idx = fn.match(linetext, [[\v\s+$]])
if idx ~= -1 then
line_num = i
break
end
end
local msg = ""
if line_num ~= nil then
msg = string.format("[%d]trailing", line_num)
end
return msg
end
local function mixed_indent()
if not vim.o.modifiable then
return ""
end
local space_pat = [[\v^ +]]
local tab_pat = [[\v^\t+]]
local space_indent = fn.search(space_pat, 'nwc')
local tab_indent = fn.search(tab_pat, 'nwc')
local mixed = (space_indent > 0 and tab_indent > 0)
local mixed_same_line
if not mixed then
mixed_same_line = fn.search([[\v^(\t+ | +\t)]], 'nwc')
mixed = mixed_same_line > 0
end
if not mixed then return '' end
if mixed_same_line ~= nil and mixed_same_line > 0 then
return 'MI:'..mixed_same_line
end
local space_indent_cnt = fn.searchcount({pattern=space_pat, max_count=1e3}).total
local tab_indent_cnt = fn.searchcount({pattern=tab_pat, max_count=1e3}).total
if space_indent_cnt > tab_indent_cnt then
return 'MI:'..tab_indent
else
return 'MI:'..space_indent
end
end
require("lualine").setup({
options = {
icons_enabled = true,
theme = "auto",
-- component_separators = { left = "", right = "" },
-- section_separators = { left = "", right = "" },
section_separators = "",
component_separators = "",
disabled_filetypes = {},
always_divide_middle = true,
},
sections = {
lualine_a = { "mode" },
lualine_b = { "branch", "diff" },
lualine_c = {
"filename",
{
ime_state,
color = {fg = 'black', bg = '#f46868'}
},
{
spell,
color = {fg = 'black', bg = '#a7c080'}
},
},
lualine_x = {
"encoding",
{
"fileformat",
symbols = {
unix = "unix",
dos = "win",
mac = "mac",
},
},
"filetype",
},
lualine_y = { "progress" },
lualine_z = {
"location",
{
"diagnostics",
sources = { "nvim_diagnostic" }
},
{
trailing_space,
color = "WarningMsg"
},
{
mixed_indent,
color = "WarningMsg"
},
},
},
inactive_sections = {
lualine_a = {},
lualine_b = {},
lualine_c = { "filename" },
lualine_x = { "location" },
lualine_y = {},
lualine_z = {},
},
tabline = {},
extensions = {'quickfix', 'fugitive', 'nvim-tree'},
})
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