fix(sources-path & configs)!: should use window-local cwd

Fix path flickering when switching windows with different local cwd

README.md

@@ -643,9 +643,9 @@ https://github.com/Bekaboo/dropbar.nvim/assets/76579810/e8c1ac26-0321-4762-9975-
     },
     sources = {
       path = {
-        ---@type string|fun(buf: integer): string
-        relative_to = function(_)
-          return vim.fn.getcwd()
+        ---@type string|fun(buf: integer, win: integer): string
+        relative_to = function(_, win)
+          return vim.fn.getcwd(vim.api.nvim_win_get_number(win))
         end,
         ---Can be used to filter out files or directories
         ---based on their name
@@ -1316,16 +1316,16 @@ each sources.
 
 ##### Path
 
-- `opts.sources.path.relative_to`: `string|fun(buf: integer): string`
+- `opts.sources.path.relative_to`: `string|fun(buf: integer, win: integer): string`
   - The path to use as the root of the relative path
   - If a function is provided, it will be called with the current buffer number
     as an argument and should return a string to use as the root of the relative
     path
   - Notice: currently does not support `..` relative paths
   - Default:
     ```lua
-    function(_)
-      return vim.fn.getcwd()
+    function(_, win)
+      return vim.fn.getcwd(vim.api.nvim_win_get_number(win))
     end
     ```
 - `opts.sources.path.filter`: `function(name: string): boolean`

doc/dropbar.txt

@@ -716,15 +716,15 @@ of each sources.
 
 PATH                              *dropbar-configuration-options-sources-path*
 
-- `opts.sources.path.relative_to`: `string|fun(buf: integer): string`
+- `opts.sources.path.relative_to`: `string|fun(buf: integer, win: integer): string`
     - The path to use as the root of the relative path
     - If a function is provided, it will be called with the current buffer
       number as an argument and should return a string to use as the root of
       the relative path
     - Notice: currently does not support `..` relative paths
     - Default: >lua
-            function(_)
-              return vim.fn.getcwd()
+            function(_, win)
+              return vim.fn.getcwd(vim.api.nvim_win_get_number(win))
             end
 <
 - `opts.sources.path.filter`: `function(name: string): boolean`

lua/dropbar/configs.lua

@@ -419,9 +419,9 @@ M.opts = {
   },
   sources = {
     path = {
-      ---@type string|fun(buf: integer): string
-      relative_to = function(_)
-        return vim.fn.getcwd()
+      ---@type string|fun(buf: integer, win: integer): string
+      relative_to = function(_, win)
+        return vim.fn.getcwd(vim.api.nvim_win_get_number(win))
       end,
       ---Can be used to filter out files or directories
       ---based on their name

lua/dropbar/sources/path.lua

@@ -99,7 +99,7 @@ local function get_symbols(buf, win, _)
     and current_path ~= '/'
     and current_path
       ~= vim.fs.normalize(
-        configs.eval(configs.opts.sources.path.relative_to, buf)
+        configs.eval(configs.opts.sources.path.relative_to, buf, win)
       )
   do
     table.insert(symbols, 1, convert(current_path, buf, win))