vimrc: Use C-p/C-n as replacement for up/down arrows in command mode.

[config/dotfiles.git] / vimrc

diff --git a/vimrc b/vimrc
index a585717b03e14bae75e5fd247ad315770c781e9a..e6a716e35f5b00bf336726f40d94f670b16fd108 100644 (file)
--- a/vimrc
+++ b/vimrc
@@ -11,9 +11,18 @@ if $HOME == '/root' || exists('$SUDO_USER')
 endif
 
 
+" Save 'runtimepath' in case it was changed by the system's configuration
+" files.
+if has('eval')
+    let s:save_runtimepath = &runtimepath
+endif
 " Reset all options (except 'term, 'lines' and 'columns'). This makes sure a
 " system wide configuration file doesn't change default values.
 set all&
+" And restore it after all other options were reset.
+if has('eval')
+    let &runtimepath = s:save_runtimepath
+endif
 
 " Make sure Vim (and not Vi) settings are used.
 set nocompatible
@@ -125,6 +134,10 @@ set ruler
 " Display partial commands in the status line.
 set showcmd
 
+" Don't redraw screen when executing macros; increases speed. Thanks to James
+" Vega (http://git.jamessan.com/?p=etc/vim.git;a=summary).
+set lazyredraw
+
 " Visualize the line the cursor is currently in.
 if v:version >= 700
     set cursorline
@@ -164,6 +177,9 @@ endif
 
 " MAPPINGS (except for plugins, see PLUGIN SETTINGS below)
 
+" Easy way to exit insert mode.
+inoremap jj <Esc>
+
 " Disable arrow keys for all modes except command modes. Thanks to James Vega
 " (http://git.jamessan.com/?p=etc/vim.git;a=summary).
 map <right> <nop>
@@ -174,6 +190,15 @@ imap <right> <nop>
 imap <left>  <nop>
 imap <up>    <nop>
 imap <down>  <nop>
+" Also disable up and down array in command mode, use <C-p>/<C-n> as
+" replacement (see below).
+cmap <up> <nop>
+cmap <down> <nop>
+
+" Use Ctrl-P/Ctrl-N as replacement for <Up>/<Down> in command mode. Thanks to
+" abstrakt and grayw in #vim on Freenode (2010-04-12 21:20).
+cnoremap <C-p> <up>
+cnoremap <C-n> <down>
 
 " Use <space> to move down a page and - to move up one like in mutt.
 nnoremap <Space> <C-f>
@@ -256,6 +281,11 @@ endif
 if has('syntax')
     syntax enable
 
+" Don't highlight more than 200 columns as I normally don't have that long
+" lines and they slow down syntax coloring. Thanks to Derek Wyatt
+" (http://www.derekwyatt.org/vim/the-vimrc-file/).
+    set synmaxcol=200
+
 " Highlight lines longer than 78 characters. Thanks to Tony Mechelynck
 " <antoine.mechelynck@gmail.com> from the Vim mailing list. It can easily be
 " disabled when necessary with :2match (in Vim >= 700).