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Accordion is a vim window manager for people who love splits. Splits can be great for viewing levels of a call stack or versions of a file side-by-side, but if there are more than a few, they become too thin to comfortably read.

Accordion lets you set the maximum number of splits you want to see, and shrinks the rest to be one column wide.

If you want to view changes to a file over time, it's got a fancy diff mode. Even if you're not big on splits, you may want to consider Accordion for this feature alone.

Version 0.6.1

But I Don't Use Splits!

If you don't typically use a lot of splits, there are a few other use cases where accordion can be helpful:

  • after viewing stack traces with unstack
  • for the diff mode described and demoed below to view changes to a file over time

If you're not interested in any of these use cases then no worries; keep using vim in whatever way works best for you =).

Horizontal Splits

By default, accordion only collapses vertical splits if you want Accordion to only collapse horizontal splits instead, add the following to your .vimrc:

let g:accordion_mode="h"


For a much more detailed guide, please type :help accordion or read doc/accordion.txt.

To enforce that the current tab always shows at most 3 splits, run :Accordion 3. Accordion will give you a viewport of 3 splits and shrink all splits outside the viewport. As you bump against the edges of the viewport, it will move with you. You can stop Accordion by running :AccordionStop

While Accordion is running, use :AccordionZoomIn and AccordionZoomOut to change the size of the viewport.

Accordion also has a special diff mode that you can start by running :AccordionDiff. Try this when you have many versions of the same file side-by-side in chronological order. Accordion will shrink all but two splits, and visible splits will be diffed against each other. The easiest way to open versions of a file is to run fugitive's :Glog --reverse, highlight the desired changes in the quickfix list, and hit the unstack shortcut. See the screenshots below for an example of diff mode in action.

There are also commands to temporarily change the layout without starting/stopping. To learn more about these, type :help accordion_running_once.


:Accordion 3 (Please ignore the fact that it's :AccordionStart at the bottom, I renamed the command.)


Related Plugins

I was inspired to write this after using MultiWin and wanting a similar approach that allows for more than one window to be visible at a time.

If you want to quickly maximize a single window, take a look at ZoomWin or try using :tab sp.


Copyright (c) Matthew Boehm. Distributed under the same terms as Vim itself. See :help license.

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A vim window manager for people who love splits






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