From 00e5e1c20e4dd059f6b6938d28d94ddb2e46b41a Mon Sep 17 00:00:00 2001
From: Bailey Ling <bling@live.ca>
Date: Wed, 4 Sep 2013 18:06:57 +0000
Subject: [PATCH] support changing how numbers are displayed in tab mode.
 resolves #217.

---
 autoload/airline/extensions/tabline.vim | 9 ++++++++-
 doc/airline.txt                         | 4 ++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/autoload/airline/extensions/tabline.vim b/autoload/airline/extensions/tabline.vim
index eafd4e0b..14103328 100644
--- a/autoload/airline/extensions/tabline.vim
+++ b/autoload/airline/extensions/tabline.vim
@@ -3,6 +3,7 @@
 
 let s:fmod = get(g:, 'airline#extensions#tabline#fnamemod', ':p:.')
 let s:excludes = get(g:, 'airline#extensions#tabline#excludes', [])
+let s:tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
 let s:buf_nr_show = get(g:, 'airline#extensions#tabline#buffer_nr_show', 0)
 let s:buf_nr_format = get(g:, 'airline#extensions#tabline#buffer_nr_format', '%s: ')
 let s:buf_modified_symbol = g:airline_symbols.modified
@@ -98,7 +99,13 @@ function! s:get_tabs()
   let b = airline#builder#new({'active': 1})
   for i in range(1, tabpagenr('$'))
     let group = i == tabpagenr() ? 'airline_tabsel' : 'airline_tab'
-    call b.add_section(group, ' %{len(tabpagebuflist('.i.'))}%( %'.i.'T %{airline#extensions#tabline#title('.i.')} %)')
+    let val = '%('
+    if s:tab_nr_type == 0
+      let val .= ' %{len(tabpagebuflist('.i.'))}'
+    else
+      let val .= ' '.i
+    endif
+    call b.add_section(group, val.'%'.i.'T %{airline#extensions#tabline#title('.i.')} %)')
   endfor
   call b.add_raw('%T')
   call b.add_section('airline_tabfill', '')
diff --git a/doc/airline.txt b/doc/airline.txt
index f15b29ba..c79badd9 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -302,6 +302,10 @@ virtualenv <https://github.com/jmcantrell/vim-virtualenv>
 * configure filename match rules to exclude from the tabline. >
   let g:airline#extensions#tabline#excludes = []
 <
+* configure how numbers are calculated in tab mode. >
+  let g:airline#extensions#tabline#tab_nr_type = 0 " # of splits (default)
+  let g:airline#extensions#tabline#tab_nr_type = 1 " tab number
+<
 * configure whether buffer numbers should be shown. >
   let g:airline#extensions#tabline#buffer_nr_show = 0
 <