Configure desktop

hosts/default.nix

@@ -9,6 +9,33 @@ let
   lib = nixpkgs.lib;
 in
 {
+  desktop = lib.nixosSystem {
+    inherit system;
+    specialArgs = { inherit user; };
+    modules = [
+      ./desktop
+      ./configuration.nix
+      ./desktop.nix
+      {
+        boot.loader.grub.gfxmodeEfi = "1920x1080";
+        networking.hostName = "${user}";
+      }
+      home-manager.nixosModules.home-manager {
+        home-manager = {
+          useUserPackages = true;
+          extraSpecialArgs = { inherit user; };
+          users.${user} = {
+            imports = [
+              (import ./home.nix)
+              (import ./desktop/home.nix)
+            ];
+          };
+        };
+      }
+    ];
+  };
+
+
   x220 = lib.nixosSystem {
     inherit system;
     specialArgs = { inherit user; };

hosts/desktop/default.nix

@@ -0,0 +1,29 @@
+{ ... }:
+
+{
+  imports = [ (import ./hardware-configuration.nix) ];
+
+  services.xserver = {
+    videoDrivers = [ "nvidia" ];
+    # nvidiaXineramaInfoOrder sets primary display
+    # DFP-0 is default and would set left monitor, DVI-D-0, to be primary
+    screenSection = ''
+      Option "metamodes" "DVI-D-0: 1920x1080 +0+0, HDMI-0: 1920x1080 +1920+0, DP-3: 1920x1080 +1920+0"
+      Option "nvidiaXineramaInfoOrder" "DFP-1"
+    '';
+  };
+
+  hardware.opengl.enable = true;
+
+  boot.loader = {
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot";
+    };
+    grub = {
+      efiSupport = true;
+      device = "nodev";
+      useOSProber = true;
+    };
+  };
+}

hosts/desktop/hardware-configuration.nix

@@ -0,0 +1,40 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [ ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelModules = [ "kvm-intel" "coretemp" ];
+  boot.extraModulePackages = [ ];
+
+  hardware.enableAllFirmware = true;
+  hardware.enableRedistributableFirmware = true;
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+    "/boot" = {
+      device = "/dev/disk/by-label/boot";
+      fsType = "vfat";
+    };
+  };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.eno2.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/desktop/home.nix

@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  imports = [ (import ./i3.nix) ];
+}

hosts/desktop/i3.nix

@@ -0,0 +1,14 @@
+{ ... }:
+
+{
+  xsession.windowManager.i3.config.workspaceOutputAssign = [
+    {
+      output = "HDMI-0";
+      workspace = "1";
+    }
+    {
+      output = "DVI-D-0";
+      workspace = "2";
+    }
+  ];
+}

i3.nix

@@ -100,6 +100,10 @@ in {
           command = "border pixel 0";
           criteria = { class = "^.*"; };
         }
+        {
+          command = "floating enable";
+          criteria = { class = "Nextcloud"; };
+        }
       ];
       bars = [];
     };