Finish (?) transition to Niri.

suites/desktop/default.nix

@@ -37,9 +37,6 @@ with lib; {
   # Enable smart card support (for YubiKey).
   services.pcscd.enable = true;
 
-  # Encrypt user's home with fscrypt
-  security.pam.enableFscrypt = true;
-
   # Enable login manager.
   programs.regreet = {
     enable = true;
@@ -65,14 +62,6 @@ with lib; {
   services.upower.enable = true;
   services.libinput.enable = true;
 
-  xdg.portal = {
-    enable = true;
-    extraPortals = [
-      pkgs.xdg-desktop-portal-gnome
-      pkgs.xdg-desktop-portal-gtk
-    ];
-  };
-
   # Virtualisation.
   programs.virt-manager.enable = true;
   users.groups.libvirtd.members = ["fern"];
@@ -122,6 +111,10 @@ with lib; {
   hardware.brillo.enable = true;
   users.groups.video.members = ["fern"];
 
+  # Control external monitor
+  hardware.i2c.enable = true;
+  services.ddccontrol.enable = true;
+
   # Enable sound with pipewire.
   services.pulseaudio.enable = false;
   security.rtkit.enable = true;
@@ -133,7 +126,6 @@ with lib; {
   };
 
   # Enable CPU frequency scaling management.
-  services.power-profiles-daemon.enable = mkForce false; # enabled by gnome
   services.tlp.enable = mkForce false; # enabled by nixos-hardware
   services.auto-cpufreq.enable = true;
 

suites/desktop/home.nix

@@ -10,6 +10,19 @@ with lib; {
   qt.enable = true;
   gtk.enable = true;
 
+  # XDG portals.
+  xdg.portal = {
+    enable = true;
+    extraPortals = [
+      pkgs.xdg-desktop-portal-gnome
+      pkgs.xdg-desktop-portal-gtk
+    ];
+  };
+
+  # Create home directories.
+  xdg.userDirs.createDirectories = true;
+
+  # Niri WM.
   programs.niri = {
     settings = {
       # Wayland environment variables.
@@ -22,6 +35,7 @@ with lib; {
         QT_QPA_PLATFORM = "wayland;xcb";
         QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
         SDL_VIDEODRIVER = "wayland";
+        GTK_CSD = "0";
       };
 
       # X11 support.
@@ -49,8 +63,12 @@ with lib; {
         # Spawn programs.
         "Mod+Return".action.spawn = "kitty";
         "Mod+Space".action.spawn = "fuzzel";
+        "Mod+E".action.spawn = "smile";
         "Mod+Alt+L".action.spawn = "hyprlock";
 
+        # Show overview
+        "Mod+Escape".action.toggle-overview = {};
+
         # Media & brightness control.
         "XF86AudioRaiseVolume" = {
           allow-when-locked = true;
@@ -72,6 +90,26 @@ with lib; {
           action.spawn = ["wpctl" "set-mute" "@DEFAULT_AUDIO_SOURCE@" "toggle"];
         };
 
+        "XF86AudioPlay" = {
+          allow-when-locked = true;
+          action.spawn = ["playerctl" "play-pause"];
+        };
+
+        "XF86AudioStop" = {
+          allow-when-locked = true;
+          action.spawn = ["playerctl" "pause"];
+        };
+
+        "XF86AudioPrev" = {
+          allow-when-locked = true;
+          action.spawn = ["playerctl" "previous"];
+        };
+
+        "XF86AudioNext" = {
+          allow-when-locked = true;
+          action.spawn = ["playerctl" "next"];
+        };
+
         "XF86MonBrightnessUp" = {
           allow-when-locked = true;
           action.spawn = ["brillo" "-A" "5"];
@@ -248,12 +286,6 @@ with lib; {
     enable = true;
     systemd.enable = true;
 
-    style = ''
-      * {
-        border-radius: 0;
-      }
-    '';
-
     settings.main = {
       modules-left = ["niri/workspaces"];
       modules-center = ["clock"];
@@ -263,6 +295,7 @@ with lib; {
         bat = "BAT0";
         format-icons = ["󰁺" "󰁻" "󰁼" "󰁽" "󰁾" "󰁿" "󰂁" "󰂂" "󰁹"];
         format = "{icon} {capacity}%";
+        format-charging = "󱐋 {icon} {capacity}%";
         tooltip = false;
       };
 
@@ -297,24 +330,8 @@ with lib; {
 
   stylix.targets.waybar.font = "sansSerif"; # use sans-serif font, not monospaced.
 
-  # polkit-gnome.
-  systemd.user.services.polkit-gnome-authentication-agent-1 = {
-    Unit.Description = "polkit-gnome-authentication-agent-1";
-
-    Install = {
-      WantedBy = ["graphical-session.target"];
-      Wants = ["graphical-session.target"];
-      After = ["graphical-session.target"];
-    };
-
-    Service = {
-      Type = "simple";
-      ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
-      Restart = "on-failure";
-      RestartSec = 1;
-      TimeoutStopSec = 10;
-    };
-  };
+  # Enable polkit-gnome.
+  services.polkit-gnome.enable = true;
 
   # Wallpaper manager.
   services.hyprpaper.enable = true;
@@ -357,6 +374,7 @@ with lib; {
     noto-fonts-cjk-serif
     ns-usbloader
     obsidian
+    playerctl
     prismlauncher
     protonmail-desktop
     rockbox-utility