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local fn = vim.fn
local function spell()
if vim.o.spell then
return string.format("[SPELL]")
end
return ""
end
--- show indicator for Chinese IME
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", "")
-- We can use `xkbswitch -g` on the command line to get current mode.
-- mode for macOS builtin pinyin IME: com.apple.inputmethod.SCIM.ITABC
-- mode for Rime: im.rime.inputmethod.Squirrel.Rime
local res = fn.match(layout, [[\v(Squirrel\.Rime|SCIM.ITABC)]])
if res ~= -1 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
local diff = function()
local git_status = vim.b.gitsigns_status_dict
if git_status == nil then
return
end
local modify_num = git_status.changed
local remove_num = git_status.removed
local add_num = git_status.added
local info = { added = add_num, modified = modify_num, removed = remove_num }
-- vim.pretty_print(info)
return info
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",
source = 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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