search

frewsxcv / rust-dark-light

Rust crate to detect if dark mode or light mode is enabled
https://crates.io/crates/dark-light
73 stars 12 forks source link

Add docs on how to set dark mode on linux. #13

Open rukai opened 2 years ago

rukai commented 2 years ago

Some docs on how to set dark mode on linux in the recommended XDG Desktop Portal dbus method would be appreciated. I searched around but couldnt figure out how to set it up.

Be-ing commented 2 years ago

This library does not set dark mode. It only reads the setting so you can make use of it in your application.

rukai commented 2 years ago

I realize that, I'm after a quick note in the readme on how to configure my system such that rust-dark-light will pick up either dark or light mode. And I wouldnt fault you for closing this issue as out of scope, but I suspect I'm not the only one who will encounter this.

The problem from my perspective is I have an egui app that uses rust-dark-light under the hood which is causing it to show up as light-mode. This is great and a fantastic use of this library. The only problem is I have no idea how to change the preference to dark mode on my linux machine. This is partially a problem of linux's fragmented configuration but I think at least documenting how a user could configure the configuration system with the highest priority (XDG Desktop Portal dbus) would go a long way.

John-Nagle commented 2 years ago

The only problem is I have no idea how to change the preference to dark mode on my linux machine.

In Ubuntu 20.04 LTS, Open the "Settings" tool. In the Appearance tab, Window colors have the options "LIght", "Standard", and "Dark". This affects most things on screen.

Unfortunately, rust-dark-light returns "Mode::Light" even for "Dark" mode.

frewsxcv commented 1 year ago

Unfortunately, rust-dark-light returns "Mode::Light" even for "Dark" mode.

Does anyone know if Ubuntu use a different system property than whatever we're reading from?

ModProg commented 1 year ago

For anyone stumbling here looking how to set dark mode without a GUI settings app:

gsettings set org.gnome.desktop.interface color-scheme prefer-dark
fenhl commented 11 months ago

Does anyone know if Ubuntu use a different system property than whatever we're reading from?

Looks like it. The command gsettings get org.gnome.desktop.interface color-scheme prints 'prefer-dark' or 'prefer-light' depending on what has been set in the Settings app.

Edit: There's some weirdness going on here. The gsettings command works successfully when run from within the Terminal app but not when run from Visual Studio Code's integrated terminal.

nagua commented 2 months ago

For the record: The problem is that https://github.com/demurgos/detect-desktop-environment does not work correctly. Ubuntu sets the XDG_CURRENT_DESKTOP to ubuntu:GNOME and detect-desktop-environment checks if the variable equals "GNOME". I opened an issue about that here: https://github.com/demurgos/detect-desktop-environment/issues/5