feat: add hyprland monitor options

hosts/nixos-laptop/default.nix

@@ -20,8 +20,10 @@
       webis.enable = true;
       impermanence.enable = true;
     };
-    programs.hyprland.enable = true;
-    programs.gitbutler.enable = true;
+    programs.hyprland = {
+      enable = true;
+      monitors.DP-3.scale = "auto";
+    };
     programs.exercism.enable = true;
   };
 

modules/programs/hyprland/_config.nix

@@ -3,10 +3,18 @@
 , ...
 }:
 
-with lib;
 let
+  inherit (lib) concatStringsSep flip boolToString mapAttrsToList;
   cfg = config.my.programs.hyprland;
 
+  mkMonitor = { name, resolution, position, scale, disabled, extra }:
+    if disabled
+    then "monitor=${name},disabled"
+    else "monitor=${name},${resolution},${position},${scale},${extra}";
+
+  monitorsList = mapAttrsToList (name: value: { name = name; } // value) cfg.monitors;
+  monitors = map mkMonitor monitorsList;
+
   mkRule = rule: windowRegexes: "windowrulev2 = ${rule},${concatStringsSep "," windowRegexes}";
   mkRules = rules: windowRegexes: concatStringsSep "\n" (map (flip mkRule windowRegexes) rules);
 in
@@ -17,7 +25,7 @@ in
   #
 
   # See https://wiki.hyprland.org/Configuring/Monitors/
-  ${concatLines (map (x: "monitor=${x}") cfg.monitors)}
+  ${concatStringsSep "\n" monitors}
 
   # See https://wiki.hyprland.org/Configuring/Keywords/ for more
 

modules/programs/hyprland/default.nix

@@ -5,8 +5,8 @@
 , ...
 } @ args:
 
-with lib;
 let
+  inherit (lib) mkOption mkEnableOption mkIf types getExe genAttrs optionalAttrs optional;
   cfg = config.my.programs.hyprland;
 
   hyprland = inputs.hyprland.packages.${pkgs.system}.default;
@@ -31,9 +31,38 @@ in
       default = [ "de" "us" ];
     };
     monitors = mkOption {
+      type = types.attrsOf (
+        let
+          sub = types.submodule {
+            options = {
+              resolution = mkOption {
+                type = types.strMatching "\(preferred\)|\([[:digit:]]+x[[:digit:]]+\(@[[:digit:]]+\)\?\)";
+                default = "preferred";
+              };
+              position = mkOption {
+                type = types.strMatching "\(auto\)|\(-\?[[:digit:]]+x-?[[:digit:]]+\)";
+                default = "auto";
+              };
+              disabled = mkEnableOption "disabled";
+              scale = mkOption {
+                type = types.oneOf [ types.float (types.strMatching "auto") ];
+                default = 1.0;
+                apply = x: if lib.isFloat x then lib.strings.floatToString x else x;
+              };
+              extra = mkOption {
                 type = types.listOf types.str;
-      description = "monitor settings";
-      default = [ ",preferred,auto,1" ];
+                default = [ ];
+                apply = lib.concatStringsSep ",";
+              };
+            };
+          };
+        in
+        sub
+      );
+      description = "monitor setting";
+      default = {
+        "" = { };
+      };
     };
     extraConfig = mkOption {
       type = types.str;
@@ -51,6 +80,7 @@ in
         # foot.enable = true;
         kitty.enable = true;
         rofi.enable = true;
+        hyprland.monitors."" = lib.mkDefault { };
       };
       wallpapers.enable = true;
       services = {