#KARABINER ELEMENTS KEY REPEAT HOW TO#
Once the app is installed, you'll need to make a ~/.hammerspoon/a file, which is a script that will tell Hammerspoon how to modify and automate the OS. I won't cover basic installation of Hammerspoon, as it's relatively self-explanatory. This post only covers using it to remap keybindings, but it has some other fantastic APIs that I highly recommend checking out! This is the second tool, and allows for flexible macOS automation using Lua scripts. Next, you'll run some programmatic actions when this key is triggered: Hammerspoon If you have another keyboard layout, set the 'From key' to something else you're fine with using exclusively for this purpose.Īdditionally, you'll need to set the 'To key' binding to a key that you absolutely never use (without specific modification, there's not a way to trigger 'f18' on a MacBook keyboard normally, so I keep it set to that). This 'From key' binding is specific to my keyboard choices-I currently work with MacBooks (paired with a Magic Keyboard at work, but the same layout), which have an 'fn' key in their bottom left corner that I effectively never used before setting up this config. You should add a binding that looks like that, with caveats: The relevant one in this screenshot is 'fn' to 'f18' (the other two are just a personal preference-these can be toggled in normal macOS System Preferences, but Karabiner overrides those settings). What you probably won't see yet are any actual key mappings like the three I have here.
#KARABINER ELEMENTS KEY REPEAT FREE#
Once you've installed Karabiner Elements (I just used the disk image from the repo README linked above, but feel free to build it yourself), you should see something like this when you open the app:
If you're a running an older version of macOS, the original Karabiner will work as well. Unfortunately, changes in macOS 10.12 broke most of Karabiner's functionality, so Elements is a stripped-down stand-in (that still works perfectly fine here). This is the first tool, which will allow you to set a sensible modal key trigger (this is a variation on what some people who re-bind their keyboards call a 'Hyper Key').įirst, by way of explanation: Karabiner Elements is a subset of Karabiner, which is a much more fully-featured keyboard customizer. Small disclaimer: I'll be assuming from here forward that you have a very basic level of comfort with vi and programming-but, frankly, I'm not sure why you'd be interested in vi keybindings to begin with if you didn't.
Further, if you want to just create your own custom keybindings or modes, the information here should be easy to generalize for whatever use you want. And while this post explains how to create vi key bindings, the same tools (Hammerspoon in particular) can be used to customize macOS in a number of ways. This idea was surprisingly simple to get working using a couple of tools. The 'default' OS mode would then become the equivalent of vi's insert mode. So I decided to figure out a way to make this happen and, at least for now, narrowed the scope to creating a key binding that would switch the OS to another 'mode' where I could then work with text using very basic vi normal mode controls. While I'm really not very good with it yet-part of the attraction was the steep learning curve I could still be training myself to use it more effectively years from now-I grew accustomed to it quickly enough that I wanted to use vi keybindings everywhere else in my OS (currently macOS). I switched to Vim as my primary programming text editor about six months ago.
Vi Keybindings in macOS with Karabiner & Hammerspoon vi Keybindings in macOS with Karabiner & Hammerspoon
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