Add headless sway service

modules/headless-graphical/default.nix

@@ -0,0 +1,73 @@
+{ lib, config, pkgs, ... }:
+with lib;
+let
+  psCfg = config.pub-solar;
+  cfg = config.pub-solar.headless-graphical;
+in
+{
+  options.pub-solar.headless-graphical = {
+    enable = mkEnableOption "Enable headless sway and VNC";
+  };
+
+  config = mkIf cfg.enable {
+    programs.sway.enable = true;
+
+    xdg.portal = {
+      enable = true;
+      extraPortals = with pkgs; [ xdg-desktop-portal-gtk xdg-desktop-portal-wlr ];
+      gtkUsePortal = true;
+    };
+
+    services.pipewire.enable = true;
+
+    home-manager = with pkgs; pkgs.lib.setAttrByPath [ "users" psCfg.user.name ] {
+      home.packages = with pkgs; [
+        sway
+        grim
+        kanshi
+        mako
+        slurp
+        swayidle
+        swaylock
+        swaybg
+        xwayland
+
+        libappindicator-gtk3
+
+        wl-clipboard
+        wf-recorder
+        brightnessctl
+        gammastep
+        geoclue2
+        xsettingsd
+        ydotool
+
+        swaylock-bg
+        sway-launcher
+        import-gtk-settings
+        s
+        wcwd
+      ];
+
+      programs.waybar.enable = true;
+
+      systemd.user.services.mako = import ./mako.service.nix pkgs;
+      systemd.user.services.swayidle = import ./swayidle.service.nix pkgs;
+      systemd.user.services.xsettingsd = import ./xsettingsd.service.nix pkgs;
+      systemd.user.services.waybar = import ./waybar.service.nix pkgs;
+      systemd.user.targets.sway-session = import ./sway-session.target.nix pkgs;
+
+      systemd.user.services.sway-headless = mkIf cfg.vnc.enable (import ./wayvnc.service.nix pkgs);
+      systemd.user.services.wayvnc = mkIf cfg.vnc.enable (import ./wayvnc.service.nix pkgs);
+
+      xdg.configFile."sway/config".source = ./config/config;
+      xdg.configFile."sway/config.d/colorscheme.conf".source = ./config/config.d/colorscheme.conf;
+      xdg.configFile."sway/config.d/theme.conf".source = ./config/config.d/theme.conf;
+      xdg.configFile."sway/config.d/gaps.conf".source = ./config/config.d/gaps.conf;
+      xdg.configFile."sway/config.d/custom-keybindings.conf".source = ./config/config.d/custom-keybindings.conf;
+      xdg.configFile."sway/config.d/applications.conf".source = ./config/config.d/applications.conf;
+      xdg.configFile."sway/config.d/systemd.conf".source = ./config/config.d/systemd.conf;
+      xdg.configFile."wayvnc/config".text = import ./config/wayvnc/config.nix { inherit psCfg; inherit pkgs; };
+    };
+  };
+}

modules/headless-graphical/sway-headless.service.nix

@@ -1,18 +1,30 @@
 pkgs:
 {
   Unit = {
-    Description = "sway - SirCmpwn's Wayland window manager";
+    Description = "Headless sway - SirCmpwn's Wayland window manager";
     Documentation = [ "man:sway(5)" ];
     BindsTo = [ "graphical-session.target" ];
     Wants = [ "graphical-session-pre.target" ];
     After = [ "graphical-session-pre.target" ];
   };
+
   Service = {
     Type = "simple";
-    ExecStart = "${pkgs.sway}/bin/sway";
+
+    ExecStart = "${pkgs.sway}/bin/sway --headless";
+    Environment = [
+      "WLR_BACKENDS=headless"
+      "WLR_RENDERER=pixman"
+      "WLR_LIBINPUT_NO_DEVICES=1"
+    ];
+
     Restart = "on-failure";
     RestartSec = "1";
     TimeoutStopSec = "10";
     ExecStopPost = "${pkgs.systemd}/bin/systemctl --user unset-environment SWAYSOCK DISPLAY I3SOCK WAYLAND_DISPLAY";
   };
+
+  Install = {
+    WantedBy = [ "sway-session.target" ];
+  };
 }

modules/headless-graphical/wayvnc.service.nix

@@ -11,6 +11,7 @@ pkgs:
   Service = {
     Type = "simple";
     ExecStart = "${pkgs.wayvnc}/bin/wayvnc --render-cursor";
+    Environment = "WAYLAND_DISPLAY=wayland-1";
   };
 
   Install = {

modules/sway/default.nix

@@ -3,11 +3,11 @@ with lib;
 let
   psCfg = config.pub-solar;
   cfg = config.pub-solar.sway;
+  headlessCfg = config.pub-solar.sway-headless;
 in
 {
   options.pub-solar.sway = {
     enable = mkEnableOption "Life in boxes";
-    vnc.enable = mkEnableOption "Enable vnc service";
 
     v4l2loopback.enable = mkOption {
       type = types.bool;
@@ -16,6 +16,10 @@ in
     };
   };
 
+  options.pub-solar.sway-headless = {
+    headless.enable = mkEnableOption "Enable headless sway and vnc service";
+  };
+
   config = mkIf cfg.enable (mkMerge [
     (mkIf (cfg.v4l2loopback.enable) {
       boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
@@ -23,13 +27,12 @@ in
       boot.extraModprobeConfig = ''
         options v4l2loopback exclusive_caps=1 devices=3
       '';
-    })
-
-    ({
       environment.systemPackages = with pkgs; [
         linuxPackages.v4l2loopback
       ];
+    })
 
+    ({
       programs.sway.enable = true;
 
       xdg.portal = {
@@ -78,6 +81,7 @@ in
         systemd.user.services.waybar = import ./waybar.service.nix pkgs;
         systemd.user.targets.sway-session = import ./sway-session.target.nix pkgs;
 
+        systemd.user.services.sway-headless = mkIf cfg.vnc.enable (import ./wayvnc.service.nix pkgs);
         systemd.user.services.wayvnc = mkIf cfg.vnc.enable (import ./wayvnc.service.nix pkgs);
 
         xdg.configFile."sway/config".source = ./config/config;

modules/user/default.nix

@@ -36,6 +36,7 @@ in
         type = types.nullOr types.str;
         default = null;
       };
+      autologin = mkEnableOption "Autologin the pub solar user on all TTYs";
     };
   };
 }