From ee32b9dda0d7020ebdf22d7169b745f284fb3d33 Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Thu, 8 May 2025 17:24:48 +0800
Subject: [PATCH] =?UTF-8?q?nvim:=20=E8=AA=BF=E6=95=B4fold=E6=8A=98?=
 =?UTF-8?q?=E7=96=8A=E8=A1=8C=E8=99=9F=E9=A1=AF=E7=A4=BA=E6=96=B9=E5=BC=8F?=
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---
 .../exact_plugins/exact_editor/fold.lua       | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/dot_config/nvim/exact_lua/exact_plugins/exact_editor/fold.lua b/dot_config/nvim/exact_lua/exact_plugins/exact_editor/fold.lua
index c7eb048..53f10f5 100644
--- a/dot_config/nvim/exact_lua/exact_plugins/exact_editor/fold.lua
+++ b/dot_config/nvim/exact_lua/exact_plugins/exact_editor/fold.lua
@@ -44,8 +44,31 @@ return {
       vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
       vim.o.foldlevelstart = 99
       vim.o.foldenable = true
+      -- vim.o.statuscolumn = '%=%l%s%#FoldColumn#%{foldlevel(v:lnum) > foldlevel(v:lnum - 1) ? (foldclosed(v:lnum) == -1 ? " " : " ") : "  " }%*'
+      vim.o.statuscolumn = [[%=%l%s%#FoldColumn#%@v:lua.on_click@%{foldlevel(v:lnum) > foldlevel(v:lnum - 1) ? (foldclosed(v:lnum) == -1 ? " " : " ") : "  " }%X%*]]
     end,
     config = function(_, opts)
+      -- 折疊符號函數
+      function _G.fold_symbol()
+          local lnum = vim.fn.line(".")
+          if vim.fn.foldlevel(lnum) <= 0 then return "  " end
+          if vim.fn.foldclosed(lnum) ~= -1 then
+              return ">"  -- 已折疊顯示 >
+          else
+              return "v"  -- 展開顯示 v
+          end
+      end
+
+      -- 點擊事件函數
+      function _G.on_click()
+          local lnum = vim.fn.line(".")
+          if vim.fn.foldclosed(lnum) == -1 then
+              vim.cmd(lnum .. "foldclose")  -- 如果已展開則折疊
+          else
+              vim.cmd(lnum .. "foldopen")   -- 如果已折疊則展開
+          end
+      end
+
       local handler = function(virtText, lnum, endLnum, width, truncate)
           local newVirtText = {}
           local totalLines = vim.api.nvim_buf_line_count(0)