From e2ae192ffbb96d7d978af5a7568d4698f8b604af Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Tue, 6 May 2025 15:33:46 +0800
Subject: [PATCH] =?UTF-8?q?feat=20nvim:=20cmp=20=E8=AA=BF=E6=95=B4?=
 =?UTF-8?q?=E5=BF=AB=E9=80=9F=E9=8D=B5=EF=BC=8C=E4=BB=A5=E7=AC=A6=E5=90=88?=
 =?UTF-8?q?=E6=88=91=E7=9A=84=E4=BD=BF=E7=94=A8=E7=BF=92=E6=85=A3?=
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---
 .../nvim/exact_lua/lsp/exact_config/cmp.lua   | 36 ++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/dot_config/nvim/exact_lua/lsp/exact_config/cmp.lua b/dot_config/nvim/exact_lua/lsp/exact_config/cmp.lua
index 28ab3f9..e917e2b 100644
--- a/dot_config/nvim/exact_lua/lsp/exact_config/cmp.lua
+++ b/dot_config/nvim/exact_lua/lsp/exact_config/cmp.lua
@@ -39,7 +39,41 @@ cmp.setup({
     -- ["<C-f>"] = cmp.mapping.scroll_docs(4),  --已知會衝到，先關閉
     ['<C-Space>'] = cmp.mapping.complete(),
     ['<C-e>'] = cmp.mapping.abort(),
-    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    -- ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    ["<CR>"] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Insert,
+      select = true,
+    },
+    -- ["<Tab>"] = cmp.mapping.confirm {
+    --   behavior = cmp.ConfirmBehavior.Insert,
+    --   select = true,
+    -- },
+
+    -- -- 取自 <https://github.com/NvChad/NvChad/blob/v2.5/lua/nvchad/configs/cmp.lua>
+    ["<Tab>"] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        cmp.confirm {
+          behavior = cmp.ConfirmBehavior.Insert,
+          select = true,
+        }
+        -- cmp.select_next_item() -- NvChad原始作用
+      elseif require("luasnip").expand_or_jumpable() then
+        require("luasnip").expand_or_jump()
+      else
+        fallback()
+      end
+    end, { "i", "s" }),
+
+    ["<S-Tab>"] = cmp.mapping(function(fallback)
+      if cmp.visible() then
+        fallback()
+        -- cmp.select_prev_item() -- NvChad原始作用
+      elseif require("luasnip").jumpable(-1) then
+        require("luasnip").jump(-1)
+      else
+        fallback()
+      end
+    end, { "i", "s" }),
 
     -- AI範例:
     -- ["<Tab>"] = cmp.mapping.select_next_item(),