76 lines
2.5 KiB
Nix
76 lines
2.5 KiB
Nix
{
|
|
pkgs,
|
|
config,
|
|
lib,
|
|
...
|
|
}:
|
|
let
|
|
cfg = config.xyno.desktop.wpaperd;
|
|
# wpaperdConf = pkgs.writeText "wpaperd.conf" ''
|
|
# [default]
|
|
# path = "/home/${config.xyno.system.user.name}/Pictures/backgrounds"
|
|
# duration = "10m"
|
|
# sorting = "random"
|
|
# mode = "center"
|
|
# '';
|
|
in
|
|
{
|
|
options.xyno.desktop.wpaperd.enable = lib.mkEnableOption "enable wpaperd wallpaper daemon";
|
|
options.xyno.desktop.wpaperd.wantedBy = lib.mkOption {
|
|
type = lib.types.str;
|
|
default = "niri.service";
|
|
};
|
|
options.xyno.desktop.wpaperd.package = lib.mkOption {
|
|
type = lib.types.package;
|
|
default = pkgs.swww;
|
|
};
|
|
config = lib.mkIf cfg.enable {
|
|
environment.systemPackages = [ cfg.package ];
|
|
systemd.user.services.swww-daemon = {
|
|
unitConfig.PartOf = "graphical-session.target";
|
|
unitConfig.After = "graphical-session.target";
|
|
unitConfig.Requisite = "graphical-session.target";
|
|
serviceConfig.Restart = "on-failure";
|
|
wantedBy = [ cfg.wantedBy ];
|
|
script = ''
|
|
exec ${cfg.package}/bin/swww-daemon'';
|
|
};
|
|
systemd.user.services.swww-randomize = {
|
|
unitConfig.PartOf = "graphical-session.target";
|
|
unitConfig.After = "graphical-session.target";
|
|
unitConfig.Requisite = "graphical-session.target";
|
|
serviceConfig.Restart = "on-failure";
|
|
wantedBy = [ "swww-daemon.service" ];
|
|
script = ''
|
|
export DEFAULT_INTERVAL=300 # In seconds
|
|
export DIR=''$HOME/Pictures/backgrounds
|
|
|
|
# See swww-img(1)
|
|
RESIZE_TYPE="crop"
|
|
export SWWW_TRANSITION_FPS="120"
|
|
export SWWW_TRANSITION="fade"
|
|
export SWWW_TRANSITION_DURATION="1"
|
|
# export SWWW_TRANSITION_STEP="90"
|
|
|
|
while true; do
|
|
find "''$DIR" -type f \
|
|
| while read -r img; do
|
|
echo "''$(</dev/urandom tr -dc a-zA-Z0-9 | head -c 8):''$img"
|
|
done \
|
|
| sort -n | cut -d':' -f2- \
|
|
| while read -r img; do
|
|
for d in ''$(${cfg.package}/bin/swww query | grep -Po "^[^:]+"); do # see ${cfg.package}/bin/swww-query(1)
|
|
# Get next random image for this display, or re-shuffle images
|
|
# and pick again if no more unused images are remaining
|
|
[ -z "''$img" ] && if read -r img; then true; else break 2; fi
|
|
${cfg.package}/bin/swww img --resize "''$RESIZE_TYPE" --outputs "''$d" "''$img"
|
|
unset -v img # Each image should only be used once per loop
|
|
done
|
|
sleep "''${DEFAULT_INTERVAL}"
|
|
done
|
|
done
|
|
'';
|
|
# restartTriggers = [wpaperdConf];
|
|
};
|
|
};
|
|
}
|