Extend the ability to jump to existing buffers

Refs #268

autoload/ctrlp.vim

@@ -61,7 +61,7 @@ let [s:pref, s:opts, s:new_opts] = ['g:ctrlp_', {
 	\ 'extensions':            ['s:extensions', []],
 	\ 'follow_symlinks':       ['s:folsym', 0],
 	\ 'highlight_match':       ['s:mathi', [1, 'CtrlPMatch']],
-	\ 'jump_to_buffer':        ['s:jmptobuf', 2],
+	\ 'jump_to_buffer':        ['s:jmptobuf', 'Et'],
 	\ 'lazy_update':           ['s:lazy', 0],
 	\ 'match_func':            ['s:matcher', {}],
 	\ 'match_window_bottom':   ['s:mwbottom', 1],
@@ -847,16 +847,19 @@ fu! ctrlp#acceptfile(mode, line, ...)
 	cal s:PrtExit()
 	let [bufnr, tail] = [bufnr('^'.filpath.'$'), s:tail()]
 	let j2l = a:0 ? a:1 : str2nr(matchstr(tail, '^ +\D*\zs\d\+\ze\D*'))
-	if s:jmptobuf && bufnr > 0 && md =~ 'e\|t'
+	if ( s:jmptobuf =~ md || ( s:jmptobuf && md =~ '[et]' ) ) && bufnr > 0
 		\ && !( md == 'e' && bufnr == bufnr('%') )
 		let [jmpb, bufwinnr] = [1, bufwinnr(bufnr)]
-		let buftab = s:jmptobuf > 1 ? s:buftab(bufnr, md) : [0, 0]
+		let buftab = ( s:jmptobuf =~# '[tTVH]' || s:jmptobuf > 1 )
+			\ ? s:buftab(bufnr, md) : [0, 0]
 	en
 	" Switch to existing buffer or open new one
-	if exists('jmpb') && bufwinnr > 0 && md != 't'
+	if exists('jmpb') && bufwinnr > 0
+		\ && !( md == 't' && ( s:jmptobuf !~# toupper(md) || buftab[0] ) )
 		exe bufwinnr.'winc w'
 		if j2l | cal ctrlp#j2l(j2l) | en
 	elsei exists('jmpb') && buftab[0]
+		\ && !( md =~ '[evh]' && s:jmptobuf !~# toupper(md) )
 		exe 'tabn' buftab[0]
 		exe buftab[1].'winc w'
 		if j2l | cal ctrlp#j2l(j2l) | en

doc/ctrlp.txt

@@ -128,13 +128,16 @@ Set the maximum height of the match window: >
 <
 
                                                       *'g:ctrlp_switch_buffer'*
-When opening a file with <cr> or <c-t>, if the file's already opened somewhere
-CtrlP will try to jump to it instead of opening a new instance: >
-  let g:ctrlp_switch_buffer = 2
+When opening a file, if it's already opened in a window somewhere CtrlP will
+try to jump to it instead of opening a new instance: >
+  let g:ctrlp_switch_buffer = 'Et'
 <
-  1 - only jump to the buffer if it's opened in the current tab.
-  2 - jump tab as well if the buffer's opened in another tab.
-  0 - disable this feature.
+  e - jump when <cr> is pressed, but only to windows in the current tab.
+  t - jump when <c-t> is pressed, but only to windows in another tab.
+  v - like e, but jump when <c-v> is pressed.
+  h - like e, but jump when <c-x> is pressed.
+  E, T, V, H - like e, t, v and h respectively, but jump to windows anywhere.
+  0 or <empty-string> - disable this feature.
 
                                                        *'g:ctrlp_reuse_window'*
 When opening a file with <cr>, CtrlP avoids opening it in windows created by
@@ -165,7 +168,7 @@ variable: >
   c - the directory of the current file.
   r - the nearest ancestor that contains one of these directories or files:
       .git .hg .svn .bzr _darcs
-  0 or [empty-string] - don't manage working directory.
+  0 or <empty-string> - don't manage working directory.
 
 Note #1: you can use b:ctrlp_working_path_mode (a |b:var|) to set this option
 on a per buffer basis.
@@ -1160,6 +1163,8 @@ Special thanks:~
 ===============================================================================
 CHANGELOG                                                     *ctrlp-changelog*
 
+    + Change |g:ctrlp_switch_buffer|'s and |g:ctrlp_working_path_mode|'s type
+      (old values still work).
     + New key for |g:ctrlp_user_command| when it's a Dictionary: 'ignore'.
     + New options: |g:ctrlp_open_func|.
                    |g:ctrlp_tabpage_position|.