https://github.com/linusskucas/keypopper

Popping sounds for your keyboard!
https://github.com/linusskucas/keypopper

launchagents macos swift xpc

Last synced: about 1 year ago
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Popping sounds for your keyboard!

• Host: GitHub
• URL: https://github.com/linusskucas/keypopper
• Owner: LinusSkucas
• License: mit
• Created: 2021-08-03T00:14:35.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2021-12-05T20:02:29.000Z (over 4 years ago)
• Last Synced: 2025-04-24T06:51:54.574Z (about 1 year ago)
• Topics: launchagents, macos, swift, xpc
• Language: Swift
• Homepage:
• Size: 81.1 KB
• Stars: 12
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# KeyPopper

Popping sounds for your keyboard!

🌀 🍿 Have you ever wanted a nice popping sound whenever you typed something? But how about not just on a website, how about **system wide**? How about something that’s _over-engineered_? 

🎹 Well now you can thanks to KeyPopper. With my new service, your computer will spit out popping, mooing, or frogy soundy thingys, whenever you type something. 

It comes packaged as a preference pane, but what’s really ~trojaned~ in there is:

 - 1 Preference Pane that uses XPC to communicate to…

 - 1 XPC service that is registered as a launch agent (triggered by a mach service) and manages preference storage and communicates to…

 - Another XPC service registered as a launch agent (triggered by a mach service) that makes popping noises

 - Finally a keystroke catcher app that runs on login, and communicates keystrokes to the first XPC service! It uses some nasty CGEvent and Accessibility APIs.

📦 Everything is stored nicely in the preference pane. The only other things installed are launch agent files. 🎁

🦩This has past apple’s notarization, meaning it’s pretty good.

This was a bunch of fun learning about low level macOS stuff. Anyways, you can see the source code over on GitHub: https://github.com/LinusS1/KeyPopper

And you can install it using the DMG attached here, or on GitHub releases, and who knows your boss might give you a raise…

![KeyPopper Diagram.pdf](https://github.com/LinusS1/KeyPopper/files/7080549/KeyPopper.Diagram.pdf)