From e45a3b991e45524f9f11e6ece1b9cb5c2a62d5b4 Mon Sep 17 00:00:00 2001
From: newbieQQ <qyh1510@gmail.com>
Date: Thu, 11 Jun 2026 16:53:09 +0800
Subject: [PATCH] feat: terminal persistence (toggle show/hide), size 40%-45%
 like IDE split

---
 lua/keymap.lua | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/lua/keymap.lua b/lua/keymap.lua
index 201c811..a316c09 100644
--- a/lua/keymap.lua
+++ b/lua/keymap.lua
@@ -38,22 +38,27 @@ G.map({
   { 'n', '<right>',    ':vertical resize +5<CR>' },
 })
 
--- 终端 / Reasonix：横屏→右侧，竖屏→下方
+-- 终端 / Reasonix：横屏→右侧（45%屏宽），竖屏→下方（40%屏高），持久化 buffer（按 c-t/c-i 切换显隐）
 do
-  local function split_term(ui, cmd)
+  local terms = {} -- 缓存，复用同一个终端实例
+
+  local function split_term(cmd)
+    local ui = vim.api.nvim_list_uis()[1]
     local tall = ui.height > ui.width
-    local term = require('toggleterm.terminal').Terminal:new({
-      -- 横屏→右侧（垂直分屏）；竖屏→下方（水平分屏）
-      direction = tall and 'horizontal' or 'vertical',
-      cmd = cmd,
-      size = tall and 10 or 40,
-    })
-    term:toggle()
+    local name = cmd or '__shell__'
+    if not terms[name] or not terms[name]:is_open() then
+      terms[name] = require('toggleterm.terminal').Terminal:new({
+        direction = tall and 'horizontal' or 'vertical',
+        cmd = cmd,
+        size = tall and math.floor(ui.height * 0.4) or math.floor(ui.width * 0.45),
+      })
+    end
+    terms[name]:toggle()
   end
 
   G.map({
-    { 'n', '<c-t>', function() split_term(vim.api.nvim_list_uis()[1]) end, { noremap = true } },
-    { 'i', '<c-t>', function() split_term(vim.api.nvim_list_uis()[1]) end, { noremap = true } },
-    { 'n', '<C-i>', function() split_term(vim.api.nvim_list_uis()[1], 'reasonix') end, { noremap = true } },
+    { 'n', '<c-t>', function() split_term() end, { noremap = true } },
+    { 'i', '<c-t>', function() split_term() end, { noremap = true } },
+    { 'n', '<C-i>', function() split_term('reasonix') end, { noremap = true } },
   })
 end