From 4f32a207195440c39d66394da451862f2e92ce92 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Fri, 28 Dec 2018 21:47:01 +1300
Subject: New version handles :lhelpgrep

---
 plugin/quickfix_auto_open.vim | 47 +++++++++++++++++++++++++++++++++++++------
 1 file changed, 41 insertions(+), 6 deletions(-)

(limited to 'plugin')

diff --git a/plugin/quickfix_auto_open.vim b/plugin/quickfix_auto_open.vim
index e2f111f..5ac821b 100644
--- a/plugin/quickfix_auto_open.vim
+++ b/plugin/quickfix_auto_open.vim
@@ -1,6 +1,6 @@
 "
 " quickfix_auto_open.vim: Always pop open the quickfix list or location list
-" when they're changed. Dispassionately stolen from romainl's minivimrc.
+" when they're changed.
 "
 " Author: Tom Ryder <tom@sanctum.geek.nz>
 " License: Same as Vim itself
@@ -8,15 +8,50 @@
 if exists('g:loaded_quickfix_auto_open') || &compatible
   finish
 endif
-if !exists('##QuickfixCmdPost') || !exists('##VimEnter')
+if !has('autocmd') || v:version < 700
   finish
 endif
 let g:loaded_quickfix_auto_open = 1
 
-" Always pop open quickfix and location lists when changed
+" Open an appropriate quickfix or location list, depending on the command
+function! s:Open(command) abort
+
+  " The command starts with 'l', so we'll be opening a location list
+  if strpart(a:command, 0, 1) ==# 'l'
+
+    " If the command is 'lhelpgrep', we'll need to switch to the help window
+    " to open its location list rather than the current window's
+    if a:command ==# 'lhelpgrep'
+      help
+    endif
+
+    " Open location list if there's anything in it
+    lwindow
+
+  " The command did not start with 'l', so we can just open the quickfix
+  " window, and we're done
+  else
+    cwindow
+
+  endif
+
+endfunction
+
+" Set up hooks in self-clearing group
 augroup quickfix_auto_open
   autocmd!
-  autocmd QuickfixCmdPost [^l]* cwindow
-  autocmd QuickfixCmdPost l* lwindow
-  autocmd VimEnter * cwindow
+
+  " Run whenever a command changes a quickfix or location list
+  if exists('##QuickFixCmdPost')
+    autocmd QuickFixCmdPost *
+          \ call s:Open(expand('<amatch>'))
+  endif
+
+  " Run on Vim startup completion to open any quickfix list already present,
+  " with a blank command name
+  if exists('##VimEnter')
+    autocmd VimEnter *
+          \ call s:Open('')
+  endif
+
 augroup END
-- 
cgit v1.2.3