feat: dynamic shortening for filetype (#224)

* feat: dynamic shortening for filetype

* feat: redraw statusline on VimResized

Co-authored-by: NullVoxPopuli <LPSego3+dev@gmail.com>
Co-authored-by: shadmansaleh <shadmansaleh3@gmail.com>
This commit is contained in:
Hubert Pelczarski 2021-05-11 12:47:09 +02:00 committed by GitHub
parent 11280b44f2
commit 73a6c8fadf
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4 changed files with 37 additions and 22 deletions

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@ -301,8 +301,7 @@ symbols | `{error = ' ', warn = ' ', info = ' '}` or `{error = 'E:', wa
Option | Default | Behaviour
:------: | :------: | :----:
file_status | true | Displays file status (readonly status, modified status)
full_path | false | Displays relative path if set to `true`, absolute path if set to `false`
shorten | true | if `full_path` is true and `shorten` is `false` it shortens absolute path `aaa/bbb/ccc/file` to `a/b/c/file`
path | 0 | filename `path` option: 0 = just filename, 1 = relative path, 2 = absolute path
symbols | `{modified = '[+]', readonly = '[-]'}` | changes status symbols | table containing one or more symbols |
* `diff` component options

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@ -406,12 +406,8 @@ In addition, some components have unique options.
• file_status (true)
Displays file status (readonly status, modified status)
• full_path (false)
Displays relative path if set to `true`, absolute path if set to `false`
• shorten (true)
if `full_path` is `true` and `shorten` is `false` it shortens
absolute path `aaa/bbb/ccc/file` to `a/b/c/file`
• path (0)
filename `path` option: 0 = just filename, 1 = relative path, 2 = absolute path
• symbols (`{modified = '[+]', readonly = '[-]'}`)
changes status symbols

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@ -2,6 +2,16 @@
-- MIT license, see LICENSE for more details.
local FileName = require('lualine.component'):new()
local function count(base, pattern)
return select(2, string.gsub(base, pattern, ''))
end
local function shorten_path(path, sep)
-- ('([^/])[^/]+%/', '%1/', 1)
return path:gsub(
string.format('([^%s])[^%s]+%%%s', sep, sep, sep), '%1' .. sep, 1)
end
FileName.new = function(self, options, child)
local new_instance = self._parent:new(options, child or FileName)
local default_symbols = {modified = '[+]', readonly = '[-]'}
@ -13,28 +23,37 @@ FileName.new = function(self, options, child)
if new_instance.options.file_status == nil then
new_instance.options.file_status = true
end
if new_instance.options.shorten == nil then
new_instance.options.shorten = true
end
if new_instance.options.full_path == nil then
new_instance.options.full_path = false
if new_instance.options.path == nil then new_instance.options.path = 0 end
if new_instance.options.full_path or new_instance.options.shorten then
vim.api.nvim_err_writeln(
[[ filetype component configuration changed, see :h lualine_custom_options ]])
end
return new_instance
end
FileName.update_status = function(self)
local data = vim.fn.expand('%:p')
if not self.options.full_path then
data = vim.fn.expand('%:t')
elseif self.options.shorten then
local data
if self.options.path == 1 then
-- relative path
data = vim.fn.expand('%:~:.')
elseif self.options.path == 2 then
-- absolute path
data = vim.fn.expand('%:p')
else
-- just filename
data = vim.fn.expand('%:t')
end
if data == '' then
data = '[No Name]'
elseif vim.fn.winwidth(0) <= 84 or #data > 40 then
data = vim.fn.pathshorten(data)
if data == '' then data = '[No Name]' end
local windwidth = vim.fn.winwidth(0)
local estimated_space_available = 40
local path_separator = package.config:sub(1, 1)
for _ = 0, count(data, path_separator) do
if windwidth <= 84 or #data > estimated_space_available then
data = shorten_path(data, path_separator)
end
end
if self.options.file_status then

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@ -174,6 +174,7 @@ local function set_statusline()
autocmd!
autocmd WinLeave,BufLeave * lua vim.wo.statusline=require'lualine'.statusline()
autocmd WinEnter,BufEnter * set statusline<
autocmd VimResized * redrawstatus
augroup END
]], false)
end