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author | Katharina Fey <kookie@spacekookie.de> | 2019-10-05 12:06:29 +0000 |
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committer | Katharina Fey <kookie@spacekookie.de> | 2019-10-05 12:42:50 +0000 |
commit | 1148b1d122bc03e9a3665856c9b7bb96bd4e3994 (patch) | |
tree | 1a9586de593790e236349d5caa0abdff7f3f6856 /home-manager/modules/services/random-background.nix | |
parent | 919d4e75699aa4ba456fd2d3d416a0522c9c7294 (diff) | |
parent | 8bddc1adab0f7a51476f819fa2197353e8e1d136 (diff) |
Add 'home-manager/' from commit '8bddc1adab0f7a51476f819fa2197353e8e1d136'
git-subtree-dir: home-manager
git-subtree-mainline: 919d4e75699aa4ba456fd2d3d416a0522c9c7294
git-subtree-split: 8bddc1adab0f7a51476f819fa2197353e8e1d136
Diffstat (limited to 'home-manager/modules/services/random-background.nix')
-rw-r--r-- | home-manager/modules/services/random-background.nix | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/home-manager/modules/services/random-background.nix b/home-manager/modules/services/random-background.nix new file mode 100644 index 00000000000..cbec97ae7cb --- /dev/null +++ b/home-manager/modules/services/random-background.nix @@ -0,0 +1,103 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + + cfg = config.services.random-background; + + flags = lib.concatStringsSep " " ( + [ + "--bg-${cfg.display}" + "--no-fehbg" + "--randomize" + ] + ++ lib.optional (!cfg.enableXinerama) "--no-xinerama" + ); + +in + +{ + meta.maintainers = [ maintainers.rycee ]; + + options = { + services.random-background = { + enable = mkEnableOption "random desktop background"; + + imageDirectory = mkOption { + type = types.str; + example = "%h/backgrounds"; + description = '' + The directory of images from which a background should be + chosen. Should be formatted in a way understood by systemd, + e.g., '%h' is the home directory. + ''; + }; + + display = mkOption { + type = types.enum [ "center" "fill" "max" "scale" "tile" ]; + default = "fill"; + description = "Display background images according to this option."; + }; + + interval = mkOption { + default = null; + type = types.nullOr types.str; + example = "1h"; + description = '' + The duration between changing background image, set to null + to only set background when logging in. Should be formatted + as a duration understood by systemd. + ''; + }; + + enableXinerama = mkOption { + default = true; + type = types.bool; + description = '' + Will place a separate image per screen when enabled, + otherwise a single image will be stretched across all + screens. + ''; + }; + }; + }; + + config = mkIf cfg.enable ( + mkMerge ([ + { + systemd.user.services.random-background = { + Unit = { + Description = "Set random desktop background using feh"; + After = [ "graphical-session-pre.target" ]; + PartOf = [ "graphical-session.target" ]; + }; + + Service = { + Type = "oneshot"; + ExecStart = "${pkgs.feh}/bin/feh ${flags} ${cfg.imageDirectory}"; + IOSchedulingClass = "idle"; + }; + + Install = { + WantedBy = [ "graphical-session.target" ]; + }; + }; + } + (mkIf (cfg.interval != null) { + systemd.user.timers.random-background = { + Unit = { + Description = "Set random desktop background using feh"; + }; + + Timer = { + OnUnitActiveSec = cfg.interval; + }; + + Install = { + WantedBy = [ "timers.target" ]; + }; + }; + }) + ])); +} |