You can begin by downloading Karabiner-Elements from its website. Karabiner can do a whole lot more, but right now this is all I use it for (and for remapping Windows-keyboards to proper Mac-layout □). That help comes from Karabiner, a tool for reassigning keys on your keyboards. Hammerspoon does require a little help to get this done. While it is most natural to enable and disable this mode in tandem with a key-press and -release, you can actually enable it whenever you like. Hammerspoon enables this behaviour by defining a completely new “modal” key, over which you have complete control. It acts as a new modifier to all the other keys on your keyboard. The Hyper key is a custom sibling of Shift, Option, Control and Command. Best of all: you get to choose which button you sacrifice. Well, what if I told you there’s a way to create a completely new layer on your keyboard? What if I told you this way no application will ever be able to steal your shortcuts? All you need to sacrifice is one tiny button on your keyboard. Two (or more) applications wanting to use the same shortcut and no way to change them. If you like shortcuts and try to use them in every application, you will run into it eventually: Shortcut Hell. ![]() Lots of people! You can find out more on our Contributors page.Solve Shortcut Hell in MacOS - Building a Hyper Key If you find a bug, or have a suggestion, you can also file an issue on the issue tracker. You can usually get a quick answer in our IRC channel, #hammerspoon on Libera. For more information, see the contribution guidelines on GitHub.īugs found on can be reported on GitHub Where can I get help? They can either be pure Lua scripts that offer useful helper functions, or you can write Objective-C extensions to expose new areas of system functionality to users. More extensions will always be a huge benefit to Hammerspoon. You can learn more about the Lua scripting language at lua.org. If you are new to Hammerspoon, read the Getting Started Guide with reference to the full API documentation. ![]() You will need to create a Lua script in ~/.hammerspoon/a using our APIs and standard Lua APIs. Out of the box, Hammerspoon does nothing. How do I install it?ĭownload the latest release and then drag the application to /Applications/. You might want to do something crazy like have iTunes automatically start playing when your Mac detects you are in Paris. You might want to display an alert when your battery drops below a certain percentage. You might want to run a series of commands when your wifi interface connects to your home network. ![]() You might want to bind a keyboard shortcut to a series of window operations, or an applescript. Typically you would write a configuration file in Lua that connects events to actions. If you want to explore the options Hammerspoon offers, check out the Getting Started Guide and the full API documentation as well as the already pre-made plugins called Spoons. You can write Lua code that interacts with macOS APIs for applications, windows, mouse pointers, filesystem objects, audio devices, batteries, screens, low-level keyboard/mouse events, clipboards, location services, wifi, and more. ![]() What gives Hammerspoon its power is a set of extensions that expose specific pieces of system functionality, to the user. At its core, Hammerspoon is just a bridge between the operating system and a Lua scripting engine. This is a tool for powerful automation of macOS.
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