Issue: Some apps don't find the cursor icons

[leiserfg]

Is there an existing issue for this?

• [X] I have searched the existing issues

Issue description

Some apps (at least Firefox) don't find the xcursors, I make it work by setting XCURSOR_PATH=$HOME/.nix-profile/share/icons and I think that's in fact the solution, but I don't know where to put it in a PR as it (in theory) should work for wayland as well (not only x11).

Maintainer CC

@rycee

System information

- system: `"x86_64-linux"`
 - host os: `Linux 5.15.25-1-MANJARO, Manjaro Linux, noversion`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.6.1`
 - channels(leiserfg): `"home-manager, nixpkgs"`
 - nixpkgs: `/home/leiserfg/.nix-defexpr/channels/nixpkgs`

[berbiche]

@polykernel is this something your PR #2891 could fix?

[polykernel]

@berbiche Yes, it can but I am unsure on where the variable should be set because there isn't a standard interface for graphic sessions in home-manager. I think it can be set in home.sessionVariables which may not be appropriate depending on the user's graphic session configurations, but as per https://github.com/nix-community/home-manager/issues/1011#issuecomment-850889575 this is the preferred way to manage variables for any login session. What do you think?

[berbiche]

I think it can be set in home.sessionVariables which may not be appropriate depending on the user's graphic session configurations

That's the best solution we currently have.

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[nim65s]

Hi,

I used home.pointercursor and correctly have export XCURSOR_PATH="$XCURSOR_PATH${XCURSOR_PATH:+:}/home/gsaurel/.nix-profile/share/icons" in my .nix-profile/etc/profile.d/hm-session-vars.sh, but eg. firefox & kitty still can't get the cursors on login.

My current workaround is to set ".icons".source = ~/.nix-profile/share/icons; in home.file.

[polykernel]

Thanks for the report. I have added a symlink from $HOME/.icons to the home-manager profile icons directory and moved the index.theme file for the default theme in https://github.com/nix-community/home-manager/pull/4281.