From eae5d02fa9d6218710c121a19295bb8f0a1c499c Mon Sep 17 00:00:00 2001
From: Parker Kemp <charles.kemp702@gmail.com>
Date: Mon, 24 Jul 2017 15:32:59 -0400
Subject: [PATCH] Use window number when opening in new vsplit

---
 lib/nerdtree/opener.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/nerdtree/opener.vim b/lib/nerdtree/opener.vim
index ac0f92e..d1bd05a 100644
--- a/lib/nerdtree/opener.vim
+++ b/lib/nerdtree/opener.vim
@@ -225,10 +225,12 @@ function! s:Opener._newVSplit()
     call nerdtree#exec("wincmd p")
     vnew
 
+    let currentWin = winnr()
+
     "resize the nerd tree back to the original size
     call g:NERDTree.CursorToTreeWin()
     exec("silent vertical resize ". winwidth)
-    call nerdtree#exec('wincmd p')
+    exe currentWin . "wincmd w"
 endfunction
 
 "FUNCTION: Opener.open(target) {{{1