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# Shared desktop base: the niri graphical session, login manager, dark theme,
# audio, graphics, a browser, common desktop tools, and a font base. Imported by
# every graphical machine; per-host extras live in machines/<host>/desktop.nix.
#
# Deliberately username-agnostic (enzo uses hwebs, kusanagi uses henz), so this
# file sets NO users.users.*: shared desktop tools go to environment.systemPackages
# and per-user groups live in the machine files.
{ pkgs, ... }:
{
# --- Session / login ---
programs.niri.enable = true;
programs.dconf.enable = true;
# Tell the desktop it's in dark mode. Apps read light/dark from
# xdg-desktop-portal's Settings interface (org.freedesktop.appearance
# color-scheme). This dconf default is the value the portal serves.
programs.dconf.profiles.user.databases = [
{
settings."org/gnome/desktop/interface".color-scheme = "prefer-dark";
}
];
# Serve color-scheme from the *gtk* portal backend, not gnome. The niri module
# routes Settings to xdg-desktop-portal-gnome (its default), but that backend
# relies on gnome-settings-daemon — absent under bare niri — so it reports
# "no preference" and web content (Firefox's prefers-color-scheme) stays light
# even though GTK chrome follows the dark GTK theme. xdg-desktop-portal-gtk
# reads the dconf color-scheme above directly, so pinning Settings to it makes
# the portal actually report dark and content follows. This key merges into
# the niri module's xdg.portal.config.niri.
xdg.portal = {
extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
config.niri."org.freedesktop.impl.portal.Settings" = "gtk";
};
# login screen
services.greetd = {
enable = true;
settings.default_session = {
command = "${pkgs.tuigreet}/bin/tuigreet --time --remember --cmd niri-session";
user = "greeter";
};
};
# Let tuigreet write its cache (for --remember).
systemd.services.greetd.serviceConfig = {
Type = "idle";
StandardInput = "tty";
StandardOutput = "tty";
StandardError = "journal"; # Better for debugging
TTYReset = true;
TTYVHangup = true;
TTYVTDisallocate = true;
};
# --- Audio (playback base; kusanagi adds rtkit/jack/32-bit for pro audio) ---
services.pulseaudio.enable = false;
services.pipewire = {
enable = true;
alsa.enable = true;
pulse.enable = true;
};
# --- Graphics ---
hardware.graphics.enable = true;
# --- GPG agent (kusanagi adds enableSSHSupport) ---
programs.gnupg.agent.enable = true;
# --- Firefox: blank home/new-tab and no bookmarks toolbar, as an enterprise
# policy (no profile to manage). Dark theme is not configured here — it comes
# from the portal above, which Firefox honors for both chrome and web content.
programs.firefox = {
enable = true;
preferencesStatus = "default";
preferences = {
"browser.startup.homepage" = "about:blank";
"browser.startup.page" = 0; # 0 = blank on startup
"browser.newtabpage.enabled" = false;
"browser.toolbars.bookmarks.visibility" = "never";
};
};
# --- Common desktop tools (system-wide to stay username-agnostic) ---
environment.systemPackages = with pkgs; [
ghostty # terminal — required to actually use the GUI
fuzzel # launcher
swaybg # wallpaper
xwayland-satellite # run X11 apps under niri
mako # notifications
libnotify # notify-send
gnupg # gpg
pinentry-gnome3 # passphrase prompt for the gpg agent
];
# --- Fonts (base) ---
# Common packages + fontconfig; each machine sets its own defaultFonts (the
# monospace family differs) and any extra font packages.
fonts = {
enableDefaultPackages = true;
fontconfig.enable = true;
packages = with pkgs; [
noto-fonts
nerd-fonts.symbols-only
adwaita-fonts
];
};
}
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