From fa9018d3b59d4d853cac0f609af28eceb65cb837 Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Mon, 28 Apr 2025 20:22:22 +0800
Subject: [PATCH] feat nvim: listchars & o-plugin framework

---
 dot_config/nvim/lua/config/lazy.lua           |  5 ++++-
 dot_config/nvim/lua/config/listchars.lua      | 14 +++++++++++++
 dot_config/nvim/lua/config/options.lua        |  7 +------
 .../nvim/lua/o-plugins/nvim-listchars.lua     | 20 +++++++++++++++++++
 4 files changed, 39 insertions(+), 7 deletions(-)
 create mode 100644 dot_config/nvim/lua/config/listchars.lua
 create mode 100644 dot_config/nvim/lua/o-plugins/nvim-listchars.lua

diff --git a/dot_config/nvim/lua/config/lazy.lua b/dot_config/nvim/lua/config/lazy.lua
index 528353b..d017db7 100644
--- a/dot_config/nvim/lua/config/lazy.lua
+++ b/dot_config/nvim/lua/config/lazy.lua
@@ -24,8 +24,11 @@ vim.opt.rtp:prepend(lazypath)
 -- Setup lazy.nvim
 require("lazy").setup({
   spec = {
-    -- import your plugins
+    -- 自動載入 plugins 資料夾中的所有插件
     { import = "plugins" },
+
+    -- 手動引入 o-plugins 資料夾中的插件
+    -- require("o-plugins.nvim-listchars"),
   },
   -- Configure any other settings here. See the documentation for more details.
   -- colorscheme that will be used when installing plugins.
diff --git a/dot_config/nvim/lua/config/listchars.lua b/dot_config/nvim/lua/config/listchars.lua
new file mode 100644
index 0000000..d13fa9a
--- /dev/null
+++ b/dot_config/nvim/lua/config/listchars.lua
@@ -0,0 +1,14 @@
+-- vim.opt.listchars = {
+--   eol = "¬",
+--   tab = "→→",
+--   trail = ".",
+--   extends = ">",
+--   precedes = "<"
+-- }
+
+vim.opt.listchars = {
+  trail = "-",
+  eol = "↲",
+  tab = "» ",
+  space = "·",
+}
diff --git a/dot_config/nvim/lua/config/options.lua b/dot_config/nvim/lua/config/options.lua
index 25f9a26..36b68e5 100644
--- a/dot_config/nvim/lua/config/options.lua
+++ b/dot_config/nvim/lua/config/options.lua
@@ -19,12 +19,7 @@ vim.opt.expandtab      = true -- 使用空格代替tab
 vim.opt.termguicolors  = true -- 支持真彩色
 vim.opt.colorcolumn = "80,120"  -- 顯示編輯器建議寬度
 vim.opt.scrolloff = 3       -- 捲動時保留 n 行彈性
-vim.opt.listchars = {
-    eol = "¬",
-    tab = "→→",
-    trail = ".",
-    extends = ">",
-    precedes = "<" }
+require("config.listchars") -- 顯示行尾符號
 vim.opt.list = true
 
 -- 整行移動的快速鍵
diff --git a/dot_config/nvim/lua/o-plugins/nvim-listchars.lua b/dot_config/nvim/lua/o-plugins/nvim-listchars.lua
new file mode 100644
index 0000000..902c357
--- /dev/null
+++ b/dot_config/nvim/lua/o-plugins/nvim-listchars.lua
@@ -0,0 +1,20 @@
+return {
+  {
+    "fraso-dev/nvim-listchars",
+    opts = true,
+    event = "BufEnter",
+    config = function()
+      require("nvim-listchars").setup({
+        save_state = true,      -- If enabled, save toggled state in a cache file. Will overwrite current `vim.opt.list` value.
+        listchars = {           -- `listchars` to be displayed. See available options by running `:help listchars`
+          tab = "> ",
+          trail = "-",
+          nbsp = "+",
+        },
+        notifications = true,   -- Enable or disable listchars notifications
+        exclude_filetypes = {}, -- List of filetypes where `listchars` is disabled
+        lighten_step = 5,       -- Amount to add/remove from base color
+      })
+    end,
+  }
+}