Nix/module: add defaultSettings

nix/module.nix

@@ -7,6 +7,23 @@ inputs: {
   inherit (pkgs.stdenv.hostPlatform) system;
   selflib = import ./lib.nix lib;
   cfg = config.programs.hyprland;
+
+  hyprlangType = with lib.types; let
+    valueType =
+      nullOr (oneOf [
+        bool
+        int
+        float
+        str
+        path
+        (attrsOf valueType)
+        (listOf valueType)
+      ])
+      // {
+        description = "Hyprlang configuration value";
+      };
+  in
+    valueType;
 in {
   options = {
     programs.hyprland = {
@@ -20,22 +37,7 @@ in {
       };
 
       settings = lib.mkOption {
-        type = with lib.types; let
-          valueType =
-            nullOr (oneOf [
-              bool
-              int
-              float
-              str
-              path
-              (attrsOf valueType)
-              (listOf valueType)
-            ])
-            // {
-              description = "Hyprland configuration value";
-            };
-        in
-          valueType;
+        type = hyprlangType;
         default = {};
         description = ''
           Hyprland configuration written in Nix. Entries with the same key
@@ -70,6 +72,23 @@ in {
         '';
       };
 
+      defaultSettings = lib.mkOption {
+        type = hyprlangType;
+        default =
+          {
+            permission = [
+              "${cfg.portalPackage}/libexec/.xdg-desktop-portal-hyprland-wrapped, screencopy, allow"
+              "${lib.getExe pkgs.grim}, screencopy, allow"
+            ];
+          }
+          // lib.mkIf cfg.withUWSM {
+            exec-once = "uwsm finalize";
+          };
+        description = ''
+          Default settings. Can be disabled by setting this option to `{}`.
+        '';
+      };
+
       extraConfig = lib.mkOption {
         type = lib.types.lines;
         default = "";
@@ -146,6 +165,12 @@ in {
                 bottomCommandsPrefixes = cfg.bottomPrefixes;
               }
               cfg.settings)
+            + lib.optionalString (cfg.defaultSettings != {})
+            (selflib.toHyprlang {
+                topCommandsPrefixes = cfg.topPrefixes;
+                bottomCommandsPrefixes = cfg.bottomPrefixes;
+              }
+              cfg.defaultSettings)
             + lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
         };
     })