From 00b3dd0274651be8805a3033ff7fa9662f342a23 Mon Sep 17 00:00:00 2001
From: Micha Moskovic <michamos@gmail.com>
Date: Tue, 10 Dec 2013 17:43:08 +0100
Subject: [PATCH] Make the default mappings optional

---
 doc/exchange.txt    | 11 +++++++++++
 plugin/exchange.vim |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/doc/exchange.txt b/doc/exchange.txt
index fa9e174..5d7bbcc 100644
--- a/doc/exchange.txt
+++ b/doc/exchange.txt
@@ -45,6 +45,17 @@ text will the be changed to:
 
 It should be noted that I don't actually go by that nickname.
 
+SETTINGS                                        *exchange-settings*
+
+*g:exchange_no_mappings*
+    If this variable is defined, the default keyboard mappings will not be
+    loaded. You are then free to define your own.
+    The default mappings are
+        nmap cx <Plug>Exchange
+        vmap cx <Plug>Exchange
+        nmap cxc <Plug>ExchangeClear
+        nmap cxx <Plug>ExchangeLine
+
 ISSUES AND TODO                                 *lion-issues* *lion-todo*
 
 See https://github.com/tommcdo/vim-exchange/issues for bugs and issues.
diff --git a/plugin/exchange.vim b/plugin/exchange.vim
index 7414fa0..ea50581 100644
--- a/plugin/exchange.vim
+++ b/plugin/exchange.vim
@@ -110,6 +110,10 @@ vnoremap <silent> <Plug>Exchange :<C-u>call <SID>exchange_set(visualmode(), 1)<C
 nnoremap <silent> <Plug>ExchangeClear :<C-u>call <SID>exchange_clear()<CR>
 nnoremap <silent> <Plug>ExchangeLine :<C-u>set opfunc=<SID>exchange_set<CR>g@_
 
+if exists('g:exchange_no_mappings')
+	finish
+endif
+
 nmap cx <Plug>Exchange
 vmap cx <Plug>Exchange
 nmap cxc <Plug>ExchangeClear