Add hyprland.

config/etc/rofi.rasi.nix

@@ -7,7 +7,12 @@
       TARGET_TAB=$(sed "s/\t.*$//g" <<< ''${1});
       # activate window as focused to it is easy to switch to
       ${brotab}/bin/bt activate --focused ''${TARGET_TAB} > /dev/null 2>&1;
-      ${i3}/bin/i3-msg -t run_command "[urgent=latest] focus" > /dev/null 2>&1;
+      # TODO: Resolve at build time.
+      if [ -n ''${HYPRLAND_INSTANCE_SIGNATURE} ]; then
+        ${hyprland}/bin/hyprctl dispatch focusurgentorlast > /dev/null 2>&1;
+      else
+        ${i3}/bin/i3-msg -t run_command "[urgent=latest] focus" > /dev/null 2>&1;
+      fi
     fi
     exit 0;
   '');

services/desktop/hyprland.nix

@@ -0,0 +1,46 @@
+{
+  system,
+  config,
+  lib,
+  pkgs,
+  hyprland,
+  hy3,
+  ...
+}:
+with lib;
+  mkIf (elem "desktop::hyprland" config.machine.services) {
+    programs.hyprland = {
+      enable = true;
+      package = hyprland.packages."${system}".hyprland;
+      xwayland.enable = false;
+    };
+    environment.systemPackages =
+      [
+        hy3.packages."${system}".hy3
+      ]
+      ++ (with pkgs; [
+        kanagawa
+        eww-wayland
+        rofi-wayland
+        hyprpicker
+        waybar
+        swaybg
+      ]);
+
+    # TODO: Refactor
+    environment = {
+      etc."xdg/gtk-2.0/gtkrc".text = ''
+        gtk-key-theme-name = "Kanagawa-BL"
+      '';
+      etc."xdg/gtk-3.0/settings.ini".text = ''
+        [Settings]
+        gtk-key-theme-name = Kanagawa-BL
+      '';
+      sessionVariables.NIXOS_OZONE_WL = "1";
+    };
+    qt = {
+      enable = true;
+      platformTheme = "gnome";
+      style = "adwaita-dark";
+    };
+  }