jonhiggs / Vim Readline
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Vim + Readline = <THIS!!!>
Why am I always exiting from insert mode? Because I don't know the insert modes special keys.
Why are those special keys so different from Readline?
Some might say that I should be using Emacs; but I'm a Vim Man. I say, READLINE IN INSERT MODE!
Together, lets make it happen!
UPDATE 06/12/15: Automatically load the default maps, improved documentation and more functions.
UPDATE 04/12/15: A lot of the movement, killing, yanking and changing is done. This should be complete enough for most people but it can still be better.
Installation
Install with your favourite plugin manager (I like Vundle).
Usage
On start-up, the default key bindings will be loaded. I will endeavour to keep these defaults sane and avoid clashing with Vim's native key bindings.
You may of course extend or modify the defaults within your own personal configuration. Perhaps you'll append it to ~/.vimrc or ~/.vim/plugins/vim-readline.vim. How you go about it is up to you.
A complete list of functionality can be seen within ./plugin/default_maps.vim.
Development
The functions are spread across the files in ./plugins with each file corresponding to a chapter of the Readline manual.
Not all of the functions have been written yet, but the intention is to make Vim functions with 100% identical behaviour as each of the Readline functions. The user may then use the default bindings offered, or customise the bindings to their own liking.
The Vim functions are namespaced as Readline<Readline function to CamelCase> and each of the functions is available as user defined commands.
For example for the Readline function of end-of-line, it can be ran with :ReadlineEndOfLine and bound with imap <C-e> <C-O>:ReadlineEndOfLine<CR>.
Described is a universal pattern for all functionality, regardless of how trivial the problem. The example of end-of-line could have been simply solved with imap <C-e> <C-O>$ but being consistent is beneficial to the user. If they understand one function, they understand them all. There are no exceptions and the burden of complexity is shifted from the user to the developer where it belongs.
If you're a Readline feen like me, perhaps you'll find my config for Karabiner interesting.