From 0c39715fa7f899d7caa2532e5e5970d83696a841 Mon Sep 17 00:00:00 2001
From: Jan Larres <jan@majutsushi.net>
Date: Mon, 28 Mar 2011 00:34:50 +1300
Subject: [PATCH] Support using the mouse for opening/closing folds

---
 plugin/tagbar.vim | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/plugin/tagbar.vim b/plugin/tagbar.vim
index ffc0eb8..b2a81c1 100644
--- a/plugin/tagbar.vim
+++ b/plugin/tagbar.vim
@@ -783,6 +783,8 @@ function! s:MapKeys()
     nnoremap <script> <silent> <buffer> <CR>    :call <SID>JumpToTag()<CR>
     nnoremap <script> <silent> <buffer> <2-LeftMouse>
                                               \ :call <SID>JumpToTag()<CR>
+    nnoremap <script> <silent> <buffer> <LeftRelease>
+                \ <LeftRelease>:call <SID>CheckMouseClick()<CR>
     nnoremap <script> <silent> <buffer> <Space> :call <SID>ShowPrototype()<CR>
 
     nnoremap <script> <silent> <buffer> +        :call <SID>OpenFold()<CR>
@@ -2213,6 +2215,18 @@ function! s:GetTagInfo(linenr, ignorepseudo)
     return taginfo
 endfunction
 
+" s:CheckMouseClick() {{{2
+function! s:CheckMouseClick()
+    let curchar  = strpart(getline('.'), col('.') - 1, 1)
+    let nextchar = strpart(getline('.'), col('.'),     1)
+
+    if curchar =~# '-' && nextchar =~# '[-+ ]'
+        call s:CloseFold()
+    elseif curchar =~# '+' && nextchar =~# '[-+ ]'
+        call s:OpenFold()
+    endif
+endfunction
+
 " TagbarBalloonExpr() {{{2
 function! TagbarBalloonExpr()
     let taginfo = s:GetTagInfo(v:beval_lnum, 1)