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Setting a color scheme on-the-fly for all apps & tools? (lemmy.world)

submitted 1 month ago by TheTwelveYearOld@lemmy.world to c/linux@sh.itjust.works

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I'm wondering if there are possibly any tools out there to do this: Declare a color scheme and set them to all apps CLIs and TUIs, either immediately on upon restart of each app individually. I'm on NixOS and looked at Stylix, once properly set up it automatically sets color schemes to apps. To change the color scheme I'd have to rebuild my nix configuration which is slow.

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[–] okwhateverdude@lemmy.world 1 points 1 month ago

So I also wanted to do this but for day/night. I run XFCE and spend a lot of time in neovim. So I started with https://gitlab.com/bimlas/xfce4-night-mode modified slightly so I could "toggle" or "lock" day/night, setup redshift(-gtk), and wrote a small shell script to query XFCE's config for which mode is active. XFCE's settings management is the central point where the info on which theme/mode is active. And then in my .vimrc, I setup a 60s timer to check the day/night mode by shelling out to that query script. Firefox's Dark Reader extension uses the system color scheme, so even web pages pick up the theme change when it happens.

At the day/night boundaries everything switches color scheme which is nice.

All of this to say that you can probably achieve what you want with some duct tape shell scripts in your /home without needing to rebuild anything. GTK+/Qt both support dynamic theming that can be driven by shell script.