3 files changed, 73 insertions, 0 deletions
diff --git a/hosts/ali/desktop-environment/default.nix b/hosts/ali/desktop-environment/default.nix
new file mode 100644
index 0000000..ce9e3bd
--- /dev/null
+++ b/hosts/ali/desktop-environment/default.nix
@@ -0,0 +1,25 @@
+# This module configures a desktop environment specific to this host.
+{pkgs,...}:
+{
+  imports = [
+    ./window-manager.nix
+    ./input.nix
+  ];
+
+  # Enable the X11 windowing system.
+  services.xserver = {
+    enable = true;
+
+    # TODO: We should be able to add "intel" driver?
+    videoDrivers = ["fbdev"];
+  };
+
+
+  # Enable sound.
+  # hardware.pulseaudio.enable = true;
+  # OR
+  # services.pipewire = {
+  #   enable = true;
+  #   pulse.enable = true;
+  # };
+}
diff --git a/hosts/ali/desktop-environment/input.nix b/hosts/ali/desktop-environment/input.nix
new file mode 100644
index 0000000..63cddca
--- /dev/null
+++ b/hosts/ali/desktop-environment/input.nix
@@ -0,0 +1,10 @@
+{
+  # Configure keymap in X11
+  services.xserver.xkb.layout = "dk";
+  services.xserver.xkb.options = "caps:escape";
+
+  console.useXkbConfig = true;
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  services.libinput.enable = true;
+}
diff --git a/hosts/ali/desktop-environment/window-manager.nix b/hosts/ali/desktop-environment/window-manager.nix
new file mode 100644
index 0000000..d36fc14
--- /dev/null
+++ b/hosts/ali/desktop-environment/window-manager.nix
@@ -0,0 +1,38 @@
+{pkgs, ...}: {
+  services.xserver.windowManager.dwm.enable = true;
+
+  # FIXME: Deduplicate this with omar's config (noting the difference in BAT0 vs BAT1).
+  # Show battery and clock in status bar. This is a background daemon which
+  # updates the root window, which DWM uses for status.
+  systemd.user.services.dwm-battery = {
+    description = "Battery status update";
+    partOf = ["graphical-session.target"];
+    wantedBy = ["graphical-session.target"];
+
+    serviceConfig.ExecStart = pkgs.writeShellScript "dwm-battery" ''
+      while true; do
+        echo -n "$(date +%H:%M) - ";
+
+        # See: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-power
+        case "$(cat /sys/class/power_supply/BAT1/status)" in
+          Charging)       echo -n "🔋 " ;;
+          Discharging)    echo -n "🪫 " ;;
+          "Not charging") echo -n "🪫 " ;;
+          Full)           echo -n "🔋 " ;;
+          Unknown)        echo -n "? " ;;
+          ""|*)           echo -n "?? " ;;
+        esac
+
+        echo -n "$(cat /sys/class/power_supply/BAT1/capacity)%"
+
+        echo
+        sleep 5
+      done | ${pkgs.dwm-setstatus}/bin/dwm-setstatus
+    '';
+  };
+
+  environment.systemPackages = with pkgs; [
+    st
+    dmenu
+  ];
+}