From e6cc09c2e95cc361babb64c113cc3e9355ea1130 Mon Sep 17 00:00:00 2001
From: Tim Bedard <tpbedard@gmail.com>
Date: Tue, 20 Apr 2021 11:25:25 -0500
Subject: [PATCH] feat(filename): add support for custom filename symbols
 (modified, readonly) (#185)

* feat(filename): add support for custom filename symbols (modified, readonly)

* update docs
---
 README.md                           | 3 ++-
 doc/lualine.txt                     | 3 +++
 lua/lualine/components/filename.lua | 7 +++++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index f0db0ee..be48181 100644
--- a/README.md
+++ b/README.md
@@ -302,6 +302,7 @@ 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`
+symbols | `{modified = '[+]', readonly = '[-]'}` | changes status symbols | table containing one or more symbols |
 
 * `diff` component options
 
@@ -311,7 +312,7 @@ colored | true | displays diff status in color if set to `true` |
 color_added | `DiffAdd` foreground color | changes diff's added section foreground color | color in `#rrggbb` format
 color_modified | `DiffChange` foreground color | changes diff's changed section foreground color | color in `#rrggbb` format
 color_removed | `DiffDelete` foreground color | changes diff's removed section foreground color | color in `#rrggbb` format
-symbols | `{added = '+', modified = '~', removed = '-'}` | changes diff's symbols | table containing on or more symbols |
+symbols | `{added = '+', modified = '~', removed = '-'}` | changes diff's symbols | table containing one or more symbols |
 
 
 Component specific options can only be set with component configs.
diff --git a/doc/lualine.txt b/doc/lualine.txt
index 81a626f..0771629 100644
--- a/doc/lualine.txt
+++ b/doc/lualine.txt
@@ -409,6 +409,9 @@ In addition, some components have unique options.
       if `full_path` is `true` and `shorten` is `false` it shortens 
       absolute path `aaa/bbb/ccc/file` to `a/b/c/file`
 
+    • symbols (`{modified = '[+]', readonly = '[-]'}`)
+      changes status symbols
+
   • fileformat~
     • icons_enabled (true)
       Whether to displays icon before component. Colors
diff --git a/lua/lualine/components/filename.lua b/lua/lualine/components/filename.lua
index 19a3bef..2e96e20 100644
--- a/lua/lualine/components/filename.lua
+++ b/lua/lualine/components/filename.lua
@@ -4,6 +4,9 @@ local FileName = require('lualine.component'):new()
 
 FileName.new = function(self, options, child)
   local new_instance = self._parent:new(options, child or FileName)
+  local default_symbols = {modified = '[+]', readonly = '[-]'}
+  new_instance.options.symbols =
+    vim.tbl_extend('force', default_symbols, new_instance.options.symbols or {})
 
   -- setting defaults
   if new_instance.options.file_status == nil then
@@ -35,9 +38,9 @@ FileName.update_status = function(self)
 
   if self.options.file_status then
     if vim.bo.modified then
-      data = data .. '[+]'
+      data = data .. self.options.symbols.modified
     elseif vim.bo.modifiable == false or vim.bo.readonly == true then
-      data = data .. '[-]'
+      data = data .. self.options.symbols.readonly
     end
   end
   return data