From 1b14b96085d235fda580dd8eec5bb9bceb57fe91 Mon Sep 17 00:00:00 2001
From: Yuan Chiu <chyuaner@gmail.com>
Date: Sat, 26 Apr 2025 08:16:12 +0800
Subject: [PATCH] =?UTF-8?q?feat=20.vimrc:=20=E5=A2=9E=E5=8A=A0=E5=88=A4?=
 =?UTF-8?q?=E5=AE=9A=E7=95=B6=E5=89=8D=E8=A6=96=E7=AA=97=E5=A4=A7=E5=B0=8F?=
 =?UTF-8?q?=E4=BE=86=E6=B1=BA=E5=AE=9A=E8=A6=81=E4=B8=8D=E8=A6=81=E8=87=AA?=
 =?UTF-8?q?=E5=8B=95=E9=96=8B=E5=95=9Fnerdtree?=
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---
 dot_vimrc | 60 ++++++++++++++++++++++++++++++-------------------------
 1 file changed, 33 insertions(+), 27 deletions(-)

diff --git a/dot_vimrc b/dot_vimrc
index 8b849eb..78cb01e 100644
--- a/dot_vimrc
+++ b/dot_vimrc
@@ -204,39 +204,45 @@ let g:airline#extensions#tabline#enabled = 1
 nnoremap <C-t> :NERDTreeToggle<CR>
 nmap <F9> :NERDTreeToggle<CR>
 
+function! s:MaybeStartNERDTree()
+    if winheight(0) > 20 && winwidth(0) > 140
+        " 啟動時自動開啟 NERDTree，且只在沒有指定檔案時開啟
+        autocmd VimEnter * NERDTree | wincmd p
+        "autocmd StdinReadPre * let s:std_in=1
+        autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
 
-" 啟動時自動開啟 NERDTree，且只在沒有指定檔案時開啟
-autocmd VimEnter * NERDTree | wincmd p
-"autocmd StdinReadPre * let s:std_in=1
-autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
+        " 如果關掉最後一個 buffer，並且只剩下 NERDTree，則關閉 Vim
+        autocmd BufEnter * if winnr('$') == 1 && getbufvar('%', '&filetype') == 'nerdtree' | quit | endif
+        let NERDTreeShowHidden=1
+        "let g:nerdtree_tabs_open_on_console_startup=1
+        let NERDTreeQuitOnOpen=0
 
-" 如果關掉最後一個 buffer，並且只剩下 NERDTree，則關閉 Vim
-autocmd BufEnter * if winnr('$') == 1 && getbufvar('%', '&filetype') == 'nerdtree' | quit | endif
-let NERDTreeShowHidden=1
-"let g:nerdtree_tabs_open_on_console_startup=1
-let NERDTreeQuitOnOpen=0
+        "" 沒有文件開啟的時候關閉nerdtree
+        autocmd QuitPre * if empty(&bt) | lclose | endif
 
-"" 沒有文件開啟的時候關閉nerdtree
-autocmd QuitPre * if empty(&bt) | lclose | endif
+        "" Start NERDTree
+        "autocmd VimEnter * NERDTree
+        "" Go to previous (last accessed) window.
+        "autocmd VimEnter * wincmd p
 
-"" Start NERDTree
-"autocmd VimEnter * NERDTree
-"" Go to previous (last accessed) window.
-"autocmd VimEnter * wincmd p
+        "autocmd StdinReadPre * let s:std_in=1
+        "autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
+        "autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
 
-"autocmd StdinReadPre * let s:std_in=1
-"autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
-"autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
+        " Start NERDTree and put the cursor back in the other window.
+        autocmd VimEnter * NERDTree | wincmd p
 
-" Start NERDTree and put the cursor back in the other window.
-autocmd VimEnter * NERDTree | wincmd p
+        " Exit Vim if NERDTree is the only window remaining in the only tab.
+        autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
 
-" Exit Vim if NERDTree is the only window remaining in the only tab.
-autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
+        " If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
+        autocmd BufEnter * if winnr() == winnr('h') && bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
+            \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
 
-" If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
-autocmd BufEnter * if winnr() == winnr('h') && bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
-    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
+        " Mirror the NERDTree before showing it. This makes it the same on all tabs.
+        nnoremap <C-n> :NERDTreeMirror<CR>:NERDTreeFocus<CR>
+    endif
+endfunction
 
-" Mirror the NERDTree before showing it. This makes it the same on all tabs.
-nnoremap <C-n> :NERDTreeMirror<CR>:NERDTreeFocus<CR>
+" 自動執行
+autocmd VimEnter * call s:MaybeStartNERDTree()