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-rw-r--r--lass/2configs/themes.nix53
1 files changed, 53 insertions, 0 deletions
diff --git a/lass/2configs/themes.nix b/lass/2configs/themes.nix
new file mode 100644
index 000000000..118619c1d
--- /dev/null
+++ b/lass/2configs/themes.nix
@@ -0,0 +1,53 @@
+{ config, lib, pkgs, ... }: let
+
+ switch-theme = pkgs.writers.writeDashBin "switch-theme" ''
+ set -efux
+ if [ "$1" = toggle ]; then
+ if [ "$(${pkgs.coreutils}/bin/cat /var/theme/current_theme)" = dark ]; then
+ ${placeholder "out"}/bin/switch-theme light
+ else
+ ${placeholder "out"}/bin/switch-theme dark
+ fi
+ elif test -e "/etc/themes/$1"; then
+ ${pkgs.rsync}/bin/rsync --chown=lass:users -a --delete "/etc/themes/$1/" /var/theme/config/
+ echo "$1" > /var/theme/current_theme
+ ${pkgs.coreutils}/bin/chown lass:users /var/theme/current_theme
+ ${pkgs.procps}/bin/pkill -HUP xsettingsd
+ else
+ echo "theme $1 not found"
+ fi
+ '';
+
+in {
+ systemd.services.xsettingsd = {
+ wantedBy = [ "multi-user.target" ];
+ after = [ "display-manager.service" ];
+ environment.DISPLAY = ":0";
+ serviceConfig = {
+ ExecStart = "${pkgs.xsettingsd}/bin/xsettingsd -c /var/theme/config/xsettings.conf";
+ User = "lass";
+ };
+ };
+ systemd.tmpfiles.rules = [
+ "d /var/theme/ 755 lass users"
+ ];
+ environment.systemPackages = [
+ switch-theme
+ ];
+ environment.etc = {
+ "themes/light/xsettings.conf".text = ''
+ Net/ThemeName "Adwaita"
+ '';
+ "themes/dark/xsettings.conf".text = ''
+ Net/ThemeName "Adwaita-dark"
+ '';
+ };
+ system.activationScripts.theme.text = ''
+ if test -e /var/theme/current_theme; then
+ ${switch-theme}/bin/switch-theme "$(cat /var/theme/current_theme)" ||
+ ${switch-theme}/bin/switch-theme dark
+ else
+ ${switch-theme}/bin/switch-theme dark
+ fi
+ '';
+}