67 lines
1.8 KiB
Nix
67 lines
1.8 KiB
Nix
{
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pkgs,
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lib,
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...
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}:
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with lib; let
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# load the wallpapers from the wallpapers directory - this gives a set with the folder content
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dirContent = builtins.readDir ../../../wallpapers;
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# only keep regular (the true files) as a list
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# loop over the set and keep the values where the key is "regular"
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wallpapersIntermediate = attrsToList dirContent;
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# remove the attr, keep the value
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wallpapers = map (x: x.value) wallpapersIntermediate;
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wallpaperString = lib.strings.concatMapStrings (x: " " + x) wallpapers;
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# script that picks a random wallpaper from the array and sets it as the desktop background
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monitor = ""; # leave empty to set the wallpaper on all monitors
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wallpaperRandomizer = pkgs.writeShellScriptBin "wallpaperRandomizer" ''
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wallpaper=$(shuf -n 1 -e ${wallpaperString})
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hyprctl hyprpaper unload all
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hyprctl hyprpaper preload $wallpaper
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hyprctl hyprpaper wallpaper "${monitor},$wallpaper"
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'';
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in {
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home.packages = [wallpaperRandomizer];
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services.hyprpaper = {
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enable = true;
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settings = {
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ipc = "off";
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splash = false;
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};
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};
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systemd.user = {
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services.wallpaperRandomizer = {
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Install = {WantedBy = ["graphical-session.target"];};
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Unit = {
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Description = "Set random desktop background using hyprpaper";
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After = ["graphical-session-pre.target"];
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PartOf = ["graphical-session.target"];
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};
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Service = {
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Type = "oneshot";
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ExecStart = "${wallpaperRandomizer}/bin/wallpaperRandomizer";
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IOSchedulingClass = "idle";
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};
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};
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timers.wallpaperRandomizer = {
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Unit = {Description = "Set random desktop background using hyprpaper on an interval";};
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Timer = {OnUnitActiveSec = "6h";};
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Install = {WantedBy = ["timers.target"];};
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};
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};
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}
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