nixos-configs/modules/greetd/default.nix

129 lines
3.2 KiB
Nix

{
lib,
pkgs,
config,
...
}: let
# Nix stuff
optionals = lib.lists.optionals;
isNvidia = config.hardware.nvidia.modesetting.enable;
isTouchscreen = config.hardware.sensor.iio.enable;
hyprland =
config
.home-manager
.users
.${config.vars.user}
.wayland
.windowManager
.hyprland
.finalPackage;
# Executables' paths
hyprBin = "${hyprland}/bin";
regreetBin = "${lib.getExe config.programs.regreet.package}";
# Show Regreet on all monitors
dupeMonitors = pkgs.writeShellScriptBin "dupeMonitors" ''
main="${config.vars.mainMonitor}"
names=($(${hyprBin}/hyprctl -j monitors | ${pkgs.jq}/bin/jq -r '.[] .description'))
if [[ "$main" == "null" ]]; then
main="''${names[0]}"
fi
for (( i=0; i<''${#names[@]}; i++ )); do
name=$(echo "''${names[$i]}" | sed 's/.*(\(.*\))/\1/')
desc=$(echo "''${names[$i]}" | sed 's/ (.*//')
if [[ "$name" != "$main" && "desc:$desc" != "$main" ]]; then
${hyprBin}/hyprctl keyword monitor "$name",preferred,auto,1,mirror,"$main"
fi
done
'';
# Check if user wants Regreet only on main monitor
setupMonitors =
if (config.vars.mainMonitor != null && !config.vars.greetdDupe)
then "${hyprBin}/hyprctl dispatch focusmonitor ${config.vars.mainMonitor}"
else "${dupeMonitors}/bin/dupeMonitors";
# Get css for regreet
style = pkgs.writeText "style.css" ''${builtins.readFile ./style.css}'';
# Setup Hyprland as regreet's compositor
hyprConf =
pkgs.writeText "greetd-hypr-config"
(lib.strings.concatStrings ((optionals isNvidia [
"env = LIBVA_DRIVER_NAME,nvidia\n"
"env = XDG_SESSION_TYPE,wayland\n"
"env = GBM_BACKEND,nvidia-drm\n"
"env = __GLX_VENDOR_LIBRARY_NAME,nvidia\n"
"env = WLR_NO_HARDWARE_CURSORS,1\n"
])
++ [
"exec-once = ${setupMonitors} &&"
" sleep 1; swww init --no-cache &&"
" swww img -t none ${pkgs.dracula-theme}/wallpapers/waves.png\n"
"${builtins.readFile ./hyprland.conf}\n"
"exec-once = ${regreetBin} -s ${style};"
" ${hyprBin}/hyprctl dispatch exit"
]));
in {
imports = [./regreet.nix];
users.users.greeter = {
packages = with pkgs; [
dracula-theme
flat-remix-icon-theme
swww
gtk3
glib
];
};
# See overlay
programs.regreet = {
enable = true;
settings = {
GTK = {
cursor_theme_name = "Dracula-cursors";
font_name = "Sans Serif";
icon_theme_name = "Flat-Remix-Violet-Dark";
theme_name = "Dracula";
};
};
};
services = {
xserver = {
displayManager = {
sessionPackages = [hyprland];
};
libinput.enable = true;
wacom.enable = isTouchscreen;
};
greetd = {
enable = true;
settings = {
default_session = {
command = "${hyprBin}/Hyprland --config ${hyprConf}";
user = "greeter";
};
initial_session = {
command = "${hyprBin}/Hyprland";
user = config.vars.user;
};
};
};
};
# unlock GPG keyring on login
services.gnome.gnome-keyring.enable = true;
security.pam.services.greetd.enableGnomeKeyring = true;
}