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Updates in Vim Land

In this post, I’ll show you the latest additions to my collection of useful Vim plugins: The Vundle plugin manager and the dwm.vim window manager not to be confused with the dwm window manager.

Vundle vs. Pathogen

Status quo ante

Just like many of you, I keep my “dot files” version controlled and backed up at GitHub. Moreover, I used Pathogen to bundle up all Vim plugins instead of having plugin files scattered around in autoload/, plugin/, etc. To automatize the procedure of setting up my configuration on a new machine, I came up with a mix of scripts:

This approach worked just fine for me but is obviously an ugly crutch. Moreover, I constantly forgot the make targets …

Vundle

Vundle is a drop-in replacement for Pathogen which means all plugins living under bundle/ are managed in the same way as with Pathogen. Unfortunately, Pathogen does not know how to get the plugins, so it depends on some external magic to find them under bundle/. That is the reason why I have used this awful Python script and other people import plugin repositories via git submodule into their configuration repositories. Vundle solves this problem because it knows how to fetch plugins from different sources.

All you have to add to your .vimrc are two lines of boilerplate and a list of plugins from GitHub, VimScript and non-GitHub Git repositories. This smartness is a shining example of convention over configuration:

filetype off

set rtp+=~/.vim/bundle/vundle
call vundle#rc()

Bundle 'mileszs/ack.vim'
Bundle 'Raimondi/delimitMate'
Bundle 'Shougo/neocomplcache'
Bundle 'Shougo/neocomplcache-snippets-complete'
Bundle 'Lokaltog/vim-powerline'
Bundle 'kien/ctrlp.vim'
Bundle 'tpope/vim-commentary'
Bundle 'tpope/vim-markdown'
Bundle 'tpope/vim-fugitive'
Bundle 'nvie/vim-flake8'
Bundle 'matze/dwm.vim'

filetype on

So, instead of having the plugins magically appear, I can tell from my .vimrc what plugins I want to fetch and where from. To install the plugins, you simply call :BundleInstall in a Vim session and watch Vundle installing them:

2012-08-23/vundle-installing.png

Plugins are updated with the :BundleInstall! (note the bang) and deinstalled by removing the Bundle line from the .vimrc and calling :BundleClean. Very simple.

Status quo

Now, instead of maintaining a Makefile, a shell script and the Python updater I distilled everything in a single setup.sh that just updates the symlinks clones Vundle. The rest is taken care of by Vundle itself. Life couldn’t be easier.

dwm.vim – Vim windows done right

Vim windows

Windows are part of Vim for a very long time and probably confusing first time users since its very beginning. Other than windows being views on buffers there is no direct relation between them. There can be windows that don’t show any buffer and there can be multiple windows that show the same buffer but in a different way. That’s the power of flexibility coming at the cost of complexity.

For most of the time, I never really bothered with windows because I was mostly switching between buffers in a single window with the minibufexplorer plugin. So, why bothering with windows then? Because I ditched minibufexplorer some time ago and because it is often a good idea to see the contents of different buffers at the same time. For this reason, I had key maps to create windows and move between them. As you can imagine, the layout was static and only determined by the order I opened them. Not very flexible and thus not very often used by myself. Fortunately, there is a new and surprisingly simple plugin on the Vim landscape that solves the problem of rigid window layouts.

dwm is not dwm but almost

dwm.vim is a plugin named after dwm, a tiling window manager and origin of my window manager of choice, awesome wm. According to what I read (I never used dwm), dwm.vim’s mechanics are pretty similar to dwm’s that sports a single window pane M and one side and a stacked window pane S on the other.

Once installed – preferably with Vundle – you use <C-N> to create a new window with an empty buffer in pane M. All other windows are pushed to pane S and stacked atop. You switch to the next (clockwise) window with <C-J> and to the previous with <C-K>. A stacked window is focused and moved to pane M with <C-H>. In my setup, I use <C-X> to close the current window. This was originally set to <C-C> by the author of the plugin. However, because I use <C-C> to go from insert mode to normal mode, I sometimes accidentally closed the window without intending to do so. This graphic sums the mechanics up pretty well, I guess:

2012-08-23/dwm.vim.png

Although I just started using dwm.vim, I already feel the same potential gains I experienced after installing CtrlP.vim. So, thumbs up (or like or +1), for this nice little plugin.

Update: I contributed a patch that stops dwm.vim from mapping all those keys and makes it much easier to override <C-C> with <C-X>.

Discussion

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