From 7f6cd33011fa1e9dea323d04e510907b60abdb2d Mon Sep 17 00:00:00 2001
From: Miguel Palhas <mpalhas@gmail.com>
Date: Sun, 29 Jun 2025 16:24:31 +0100
Subject: [PATCH] wip

---
 hosts/common/features/display/default.nix    |  8 +++
 hosts/common/features/display/gdm.nix        | 12 +++++
 hosts/common/features/display/wayland.nix    | 28 ++++++++++
 hosts/common/features/display/x11.nix        | 56 ++++++++++++++++++++
 hosts/common/features/gpu/intel-graphics.nix | 12 +++++
 hosts/common/features/gpu/nvidia.nix         | 17 ++++++
 6 files changed, 133 insertions(+)
 create mode 100644 hosts/common/features/display/default.nix
 create mode 100644 hosts/common/features/display/gdm.nix
 create mode 100644 hosts/common/features/display/wayland.nix
 create mode 100644 hosts/common/features/display/x11.nix
 create mode 100644 hosts/common/features/gpu/intel-graphics.nix
 create mode 100644 hosts/common/features/gpu/nvidia.nix

diff --git a/hosts/common/features/display/default.nix b/hosts/common/features/display/default.nix
new file mode 100644
index 0000000..7eb2089
--- /dev/null
+++ b/hosts/common/features/display/default.nix
@@ -0,0 +1,8 @@
+{ inputs, pkgs, ... }:
+{
+  imports = [
+    ./wayland.nix
+    ./x11.nix
+    ./gdm.nix
+  ];
+}
diff --git a/hosts/common/features/display/gdm.nix b/hosts/common/features/display/gdm.nix
new file mode 100644
index 0000000..598f618
--- /dev/null
+++ b/hosts/common/features/display/gdm.nix
@@ -0,0 +1,12 @@
+{ inputs, pkgs, ... }:
+{
+  services.xserver = {
+    enable = true;
+    displayManager = {
+      startx.enable = true;
+      gdm.enable = true;
+    };
+    autoRepeatDelay = 250;
+    autoRepeatInterval = 30;
+  };
+}
diff --git a/hosts/common/features/display/wayland.nix b/hosts/common/features/display/wayland.nix
new file mode 100644
index 0000000..1622215
--- /dev/null
+++ b/hosts/common/features/display/wayland.nix
@@ -0,0 +1,28 @@
+{ inputs, pkgs, ... }:
+{
+  environment.systemPackages = with pkgs; [
+    wl-clipboard
+    hyprland
+  ];
+
+  services.displayManager.sessionPackages = with pkgs; [
+    hyprland
+  ];
+
+  # thumbnail support for images
+  services.tumbler.enable = true;
+
+  environment.etc."xdg/wayland-sessions/hyprland.desktop".text = ''
+    [Desktop Entry]
+    Name=Hyprland
+    Comment=Hyprland Wayland Compositor
+    Exec=Hyprland
+    Type=Application
+    DesktopNames=Hyprland
+  '';
+
+  nix.settings = {
+    substituters = [ "https://hyprland.cachix.org" ];
+    trusted-public-keys = [ "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" ];
+  };
+}
diff --git a/hosts/common/features/display/x11.nix b/hosts/common/features/display/x11.nix
new file mode 100644
index 0000000..199ce79
--- /dev/null
+++ b/hosts/common/features/display/x11.nix
@@ -0,0 +1,56 @@
+{ inputs, pkgs, ... }:
+{
+
+  services = {
+    desktopManager = {
+      gnome.enable = true;
+    };
+    xserver.windowManager = {
+      i3 = {
+        enable = true;
+        extraPackages = with pkgs; [
+          dmenu
+          i3status
+        ];
+      };
+    };
+    sysprof.enable = true;
+    gnome = {
+      evolution-data-server.enable = true;
+      glib-networking.enable = true;
+      gnome-keyring.enable = true;
+      gnome-online-accounts.enable = true;
+    };
+  };
+
+  programs = {
+    i3lock.enable = true;
+    dconf.enable = true;
+  };
+
+  environment.gnome.excludePackages =
+    (with pkgs; [
+      gnome-photos
+      gnome-tour
+      gnome-console
+      gnome-text-editor
+      gedit
+    ])
+    ++ (with pkgs; [
+      cheese # webcam tool
+      gnome-music
+      gnome-terminal
+      epiphany # web browser
+      geary # email reader
+      evince # document viewer
+      totem # video player
+      tali # poker game
+      iagno # go game
+      hitori # sudoku game
+      atomix # puzzle game
+      gnome-contacts
+      gnome-initial-setup
+      gnome-shell-extensions
+    ]);
+
+}
diff --git a/hosts/common/features/gpu/intel-graphics.nix b/hosts/common/features/gpu/intel-graphics.nix
new file mode 100644
index 0000000..130364d
--- /dev/null
+++ b/hosts/common/features/gpu/intel-graphics.nix
@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+{
+  services.xserver.videoDrivers = [ "intel" ];
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      vpl-gpu-rt # or intel-media-sdk for QSV
+    ];
+  };
+
+  programs.xwayland.enable = true;
+}
diff --git a/hosts/common/features/gpu/nvidia.nix b/hosts/common/features/gpu/nvidia.nix
new file mode 100644
index 0000000..e6c7f44
--- /dev/null
+++ b/hosts/common/features/gpu/nvidia.nix
@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+{
+  hardware.graphics.enable = true;
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.nvidia = {
+    modesetting.enable = true;
+    open = false;
+    nvidiaSettings = true;
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+
+  programs.xwayland.enable = true;
+
+  environment.variables = {
+    "WEBKIT_DISABLE_DMABUF_RENDERER" = "1";
+  };
+}