From ecaa491c3c780596b02349e300533d8ef4098508 Mon Sep 17 00:00:00 2001
From: Shadman <13149513+shadmansaleh@users.noreply.github.com>
Date: Fri, 29 Oct 2021 19:07:11 +0600
Subject: [PATCH] feat: add support for function in max_length option (tabs &
 buffers)

---
 README.md                               | 2 ++
 lua/lualine/components/buffers/init.lua | 4 ++++
 lua/lualine/components/tabs/init.lua    | 4 ++++
 3 files changed, 10 insertions(+)

diff --git a/README.md b/README.md
index a08f5fc..ba24c8c 100644
--- a/README.md
+++ b/README.md
@@ -413,6 +413,7 @@ sections = {
       show_filename_only = true, -- shows shortened relative path when false
       show_modified_status = true -- shows indicator then bufder is modified
       max_length = vim.o.columns * 2 / 3, -- maximum width of buffers component
+                                          -- can also be a function that returns value of max_length dynamicaly 
       filetype_names = {
         TelescopePrompt = 'Telescope',
         dashboard = 'Dashboard',
@@ -538,6 +539,7 @@ sections = {
     {
       'tabs',
       max_length = vim.o.columns / 3, -- maximum width of tabs component
+                                      -- can also be a function that returns value of max_length dynamicaly 
       mode = 0, -- 0  shows tab_nr
                 -- 1  shows tab_name
                 -- 2  shows tab_nr + tab_name
diff --git a/lua/lualine/components/buffers/init.lua b/lua/lualine/components/buffers/init.lua
index 5aa2b17..f8ed029 100644
--- a/lua/lualine/components/buffers/init.lua
+++ b/lua/lualine/components/buffers/init.lua
@@ -93,6 +93,10 @@ function M:update_status()
   end
 
   local max_length = self.options.max_length
+  if type(max_length) == 'function' then
+    max_length = max_length(self)
+  end
+  
   if max_length == 0 then
     max_length = math.floor(2 * vim.o.columns / 3)
   end
diff --git a/lua/lualine/components/tabs/init.lua b/lua/lualine/components/tabs/init.lua
index a48cb05..3304198 100644
--- a/lua/lualine/components/tabs/init.lua
+++ b/lua/lualine/components/tabs/init.lua
@@ -76,6 +76,10 @@ function M:update_status()
   end
 
   local max_length = self.options.max_length
+  if type(max_length) == 'function' then
+    max_length = max_length(self)
+  end
+  
   if max_length == 0 then
     max_length = math.floor(vim.o.columns / 3)
   end