I dislike where Apple is going with OS level restrictions, privacy invasive device scanning and their contempt for developers. However, I am much more philosophically aligned with Linux. The Browser Bench numbers were unbelievable and the chip's capabilities translated into the real-world just as well, particularly as more apps were compiled to support Apple Silicon. Big Sur was a vast stability improvement over Catalina, but the system performance was the biggest difference. Linux is highly customizable so I had an efficient setup with a lot of tweaks to the system, using Sway as a tiling window manager with Swaybar. There were issues - but the bugs were much less frustrating than on macOS Catalina. In extension.js you will have access to live code running in GNOME Shell, but fatal errors or mistakes in extension.js will affect the stablity of the desktop.I'd been a Mac user since 2010, but in 2020 I became sufficiently annoyed with Apple's poor software quality and awful MacBook keyboards that I switched to a Linux laptop running Manjaro. The code in prefs.js will be executed in a separate Gtk process The code in extension.js is executed in the same process as gnome-shell Something that's important to understand: It contains basic information about the extension including its name, a description, version and a few other things. Metadata.json is a required file of every extension. User System topic of schemas/ (GSettings) is explained below in Extension Preferences and locale/ (Gettext translations) in Extension Translations. ![]() ![]() A more complete, zipped extension usually looks like unpacked and installed the extension will be in one of two places: GitHub, GitLab) or installing from, extensions are distributed as Zip files with only two required files: metadata.json and extension.js. Whether you're downloading from a git repository (eg. In fact, the only real difference between patches merged into GNOME Shell and an extension is when the patch is applied. GNOME Shell extensions are effectively patches that are applied to GNOME Shell when they are enabled, and reverted when they are disabled. For example, you could override the addMenuItem() function of the PopupMenu class and all existing or newly created PopupMenu classes and subclasses will immediately start using your override. This is what is known as "monkey-patching". JavaScript is a prototype-based language, which for us means that we can modify the UI and behaviour of GNOME Shell while it is running. Just like how PyGObject is Python bindings for the same libraries. This includes libraries like Gtk, GLib/Gio, Clutter, GStreamer and many others. GNOME Shell's UI and extensions are written in GJS, which is JavaScript bindings for the GNOME C APIs. It does not include instructions for modifying specific aspects of GNOME Shell, general JavaScript programming, GNOME API usage or other topics that are explained elsewhere.īelow are some links that may be helpful when developing a GNOME Shell extension:Īsk on using the extensions tagĪsk on StackOverflow using the gnome-shell-extensions and/or gjs tags It describes the anatomy of a typical extension, how to build one from scratch, general debugging functions and logging, as well as some logistics like version compatibility. ![]() This is document is a thorough overview of what writing an extension entails.
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