home-manager/gui: Add Doom lock screen

home-manager/modules/gui/alacritty-xterm.toml

@@ -0,0 +1,28 @@
+# XTerm's default colors
+
+# Default colors
+[colors.primary]
+background = '#000000'
+foreground = '#ffffff'
+
+# Normal colors
+[colors.normal]
+black   = '#000000'
+red     = '#cd0000'
+green   = '#00cd00'
+yellow  = '#cdcd00'
+blue    = '#0000ee'
+magenta = '#cd00cd'
+cyan    = '#00cdcd'
+white   = '#e5e5e5'
+
+# Bright colors
+[colors.bright]
+black   = '#7f7f7f'
+red     = '#ff0000'
+green   = '#00ff00'
+yellow  = '#ffff00'
+blue    = '#5c5cff'
+magenta = '#ff00ff'
+cyan    = '#00ffff'
+white   = '#ffffff'

home-manager/modules/gui/default.nix

@@ -10,6 +10,15 @@ let
     name = "Monocraft";
     size = 10;
   };
+
+  doomWad = pkgs.fetchurl {
+    url = "https://distro.ibiblio.org/slitaz/sources/packages/d/doom1.wad";
+    hash = "sha256-HX1DvlAeZ9kn5BXguPPinDvzMHXoWXIYFvZSpSbKx3E=";
+  };
+  doomNcurses = pkgs.writeShellScript "doom-ncurses" ''
+    SDL_AUDIODRIVER=null SDL_VIDEODRIVER=caca CACA_DRIVER=ncurses exec ${pkgs.chocolate-doom2xx}/bin/chocolate-doom -iwad ${doomWad}
+  '';
+  lockCmd = "swaylock-plugin --command-each '${pkgs.windowtolayer}/bin/windowtolayer -- alacritty -e ${doomNcurses}'";
 in
 {
   options.my.gui = {
@@ -51,7 +60,15 @@ in
           alacritty = {
             enable = true;
             settings = {
-              font.normal.family = font.name;
+              import = [ ./alacritty-xterm.toml ];
+
+              font = {
+                size = font.size;
+                normal = {
+                  family = font.name;
+                  style = "Regular";
+                };
+              };
             };
           };
 
@@ -65,6 +82,25 @@ in
             };
           };
 
+          termite = {
+            enable = true;
+            font = "${font.name} ${toString font.size}";
+            backgroundColor = "rgba(0, 0, 0, 0.8)";
+          };
+
+          foot = {
+            enable = true;
+            settings = {
+              main = {
+                font = "${font.name}:size=${toString font.size}";
+              };
+              colors = {
+                alpha = 0.8;
+                background = "000000";
+              };
+            };
+          };
+
           helix = {
             enable = true;
             settings = {
@@ -162,7 +198,7 @@ in
                   in
                   lib.mkOptionDefault {
                     "${mod}+d" = null;
-                    "${mod}+l" = "exec swaylock -i ${./lock.png} -s stretch";
+                    "${mod}+l" = "exec ${lockCmd}";
                     "${mod}+x" = "exec ${cfg.menu}";
                     "${mod}+Shift+x" = "exec rofi -show drun";
                     "${mod}+q" = "kill";

nixos/modules/gui.nix

@@ -23,13 +23,13 @@ in
 
     security = {
       polkit.enable = true;
-      pam.services.swaylock = {};
+      pam.services.swaylock-plugin = {};
     };
 
     environment.systemPackages = with pkgs; [
       # for pw-jack
       pipewire.jack
-      swaylock
+      swaylock-plugin
     ];
     services = {
       pipewire = {

pkgs/chocolate-doom2xx.nix

@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     # for documentation
     python3
   ];
-  buildInputs = [ SDL SDL_mixer SDL_net ];
+  buildInputs = [ (SDL.override { cacaSupport = true; }) SDL_mixer SDL_net ];
   enableParallelBuilding = true;
 
   meta = {

pkgs/default.nix

@@ -10,4 +10,6 @@ in
   modrinth-app = callPackage ./modrinth-app { };
   glfw-minecraft = callPackage ./glfw-minecraft { };
   chocolate-doom2xx = callPackage ./chocolate-doom2xx.nix { };
+  windowtolayer = callPackage ./windowtolayer.nix { };
+  swaylock-plugin = callPackage ./swaylock-plugin.nix { };
 }

pkgs/swaylock-plugin.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch
+, meson, ninja, pkg-config, scdoc, wayland-scanner
+, wayland, wayland-protocols, libxkbcommon, cairo, gdk-pixbuf, pam
+}:
+
+stdenv.mkDerivation rec {
+  pname = "swaylock-plugin";
+  version = "1dd15b6";
+
+  src = fetchFromGitHub {
+    owner = "mstoeckl";
+    repo = pname;
+    rev = "1dd15b6ecbe91be7a3dc4a0fa9514fb166fb2e07";
+    hash = "sha256-xWyDDT8sXAL58HtA9ifzCenKMmOZquzXZaz3ttGGJuY=";
+  };
+
+  strictDeps = true;
+  depsBuildBuild = [ pkg-config ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc wayland-scanner ];
+  buildInputs = [ wayland wayland-protocols libxkbcommon cairo gdk-pixbuf pam ];
+
+  mesonFlags = [
+    "-Dpam=enabled" "-Dgdk-pixbuf=enabled" "-Dman-pages=enabled"
+  ];
+  env.NIX_CFLAGS_COMPILE = "-Wno-maybe-uninitialized";
+
+  meta = with lib; {
+    description = "Screen locker for Wayland -- fork with background plugin support";
+    longDescription = ''
+      Fork of swaylock, a screen locking utility for Wayland compositors.
+      With swaylock-plugin, you can for your lockscreen background display
+      the animated output from any wallpaper program that implements the
+      wlr-layer-shell-unstable-v1 protocol.
+    '';
+    inherit (src.meta) homepage;
+    mainProgram = "swaylock";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ devplayer0 ];
+  };
+}

pkgs/windowtolayer.nix

@@ -0,0 +1,18 @@
+{ lib
+, fetchFromGitLab
+, rustPlatform
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "windowtolayer";
+  version = "a5b89c3c";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.freedesktop.org";
+    owner = "mstoeckl";
+    repo = pname;
+    rev = "a5b89c3c047297fd574932860a6c89e9ea02ba5d";
+    hash = "sha256-rssL2XkbTqUvJqfUFhzULeE4/VBzjeBC5iZWSJ8MJ+M=";
+  };
+
+  cargoHash = "sha256-XHmLsx9qdjlBz4xJFFiO24bR9CMw1o5368K+YMpMIBA=";
+}