copnfigure folding

lua/plugins/ufo.lua

@@ -41,14 +41,43 @@ return {
         jumpBot = ']',
       },
     },
+    -- Custom fold text showing line count
+    fold_virt_text_handler = function(virtText, lnum, endLnum, width, truncate)
+      local newVirtText = {}
+      local suffix = ('  %d lines '):format(endLnum - lnum)
+      local sufWidth = vim.fn.strdisplaywidth(suffix)
+      local targetWidth = width - sufWidth
+      local curWidth = 0
+      
+      for _, chunk in ipairs(virtText) do
+        local chunkText = chunk[1]
+        local chunkWidth = vim.fn.strdisplaywidth(chunkText)
+        if targetWidth > curWidth + chunkWidth then
+          table.insert(newVirtText, chunk)
+        else
+          chunkText = truncate(chunkText, targetWidth - curWidth)
+          local hlGroup = chunk[2]
+          table.insert(newVirtText, {chunkText, hlGroup})
+          chunkWidth = vim.fn.strdisplaywidth(chunkText)
+          if curWidth + chunkWidth < targetWidth then
+            suffix = suffix .. (' '):rep(targetWidth - curWidth - chunkWidth)
+          end
+          break
+        end
+        curWidth = curWidth + chunkWidth
+      end
+      
+      table.insert(newVirtText, {suffix, 'MoreMsg'})
+      return newVirtText
+    end,
   },
   config = function(_, opts)
     -- Set fold settings for nvim-ufo
-    vim.o.foldcolumn = '1'      -- Show fold column
+    vim.o.foldcolumn = '0'      -- Hide fold column (we don't need it)
     vim.o.foldlevel = 99        -- Open all folds by default
     vim.o.foldlevelstart = 99   -- Open all folds when opening a file
     vim.o.foldenable = true     -- Enable folding
-    -- Use simple characters for fold indicators
+    -- Use simple characters for fold indicators (though foldcolumn is hidden)
     vim.o.fillchars = [[eob: ,fold: ,foldopen:▼,foldsep: ,foldclose:▶]]
 
     require('ufo').setup(opts)