hyprland: use lib.generators.toHyprconf

modules/services/window-managers/hyprland.nix

@@ -9,7 +9,6 @@ let
   systemdActivation = ''
     exec-once = ${pkgs.dbus}/bin/dbus-update-activation-environment --systemd ${variables} ${extraCommands}
   '';
-
 in {
   meta.maintainers = [ lib.maintainers.fufexan ];
 
@@ -178,6 +177,16 @@ in {
     '' // {
       default = true;
     };
+
+    importantPrefixes = lib.mkOption {
+      type = with lib.types; listOf str;
+      default = [ "$" "bezier" "name" ]
+        ++ lib.optionals cfg.sourceFirst [ "source" ];
+      example = [ "$" "bezier" ];
+      description = ''
+        List of prefix of attributes to source at the top of the config.
+      '';
+    };
   };
 
   config = lib.mkIf cfg.enable {
@@ -199,51 +208,9 @@ in {
       shouldGenerate = cfg.systemd.enable || cfg.extraConfig != ""
         || cfg.settings != { } || cfg.plugins != [ ];
 
-      toHyprconf = with lib;
-        attrs: indentLevel:
-        let
-          indent = concatStrings (replicate indentLevel "  ");
-
-          sections = filterAttrs (n: v: isAttrs v && n != "device") attrs;
-
-          mkSection = n: attrs: ''
-            ${indent}${n} {
-            ${toHyprconf attrs (indentLevel + 1)}${indent}}
-          '';
-
-          mkDeviceCategory = device: ''
-            ${indent}device {
-              name=${device.name}
-            ${
-              toHyprconf (filterAttrs (n: _: "name" != n) device)
-              (indentLevel + 1)
-            }${indent}}
-          '';
-
-          deviceCategory = lib.optionalString (hasAttr "device" attrs)
-            (if isList attrs.device then
-              (concatMapStringsSep "\n" (d: mkDeviceCategory d) attrs.device)
-            else
-              mkDeviceCategory attrs.device);
-
-          mkFields = generators.toKeyValue {
-            listsAsDuplicateKeys = true;
-            inherit indent;
-          };
-          allFields = filterAttrs (n: v: !(isAttrs v) && n != "device") attrs;
-
-          importantFields = filterAttrs (n: _:
-            (hasPrefix "$" n) || (hasPrefix "bezier" n)
-            || (cfg.sourceFirst && (hasPrefix "source" n))) allFields;
-
-          fields = builtins.removeAttrs allFields
-            (mapAttrsToList (n: _: n) importantFields);
-        in mkFields importantFields + deviceCategory
-        + concatStringsSep "\n" (mapAttrsToList mkSection sections)
-        + mkFields fields;
-
       pluginsToHyprconf = plugins:
-        toHyprconf {
+        lib.hm.generators.toHyprconf {
+          attrs = {
             plugin = let
               mkEntry = entry:
                 if lib.types.package.check entry then
@@ -251,13 +218,18 @@ in {
                 else
                   entry;
             in map mkEntry cfg.plugins;
-        } 0;
+          };
+          inherit (cfg) importantPrefixes;
+        };
     in lib.mkIf shouldGenerate {
       text = lib.optionalString cfg.systemd.enable systemdActivation
         + lib.optionalString (cfg.plugins != [ ])
         (pluginsToHyprconf cfg.plugins)
-        + lib.optionalString (cfg.settings != { }) (toHyprconf cfg.settings 0)
-        + lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
+        + lib.optionalString (cfg.settings != { })
+        (lib.hm.generators.toHyprconf {
+          attrs = cfg.settings;
+          inherit (cfg) importantPrefixes;
+        }) + lib.optionalString (cfg.extraConfig != "") cfg.extraConfig;
 
       onChange = lib.mkIf (cfg.package != null) ''
         ( # Execute in subshell so we don't poision environment with vars

tests/modules/services/window-managers/hyprland/default.nix

@@ -1,4 +1,6 @@
 {
   hyprland-simple-config = ./simple-config.nix;
+  hyprland-multiple-devices-config = ./multiple-devices-config.nix;
+  hyprland-sourceFirst-false-config = ./sourceFirst-false-config.nix;
   hyprland-inconsistent-config = ./inconsistent-config.nix;
 }

tests/modules/services/window-managers/hyprland/multiple-devices-config.conf

@@ -0,0 +1,60 @@
+exec-once = /nix/store/00000000000000000000000000000000-dbus/bin/dbus-update-activation-environment --systemd DISPLAY HYPRLAND_INSTANCE_SIGNATURE WAYLAND_DISPLAY XDG_CURRENT_DESKTOP && systemctl --user stop hyprland-session.target && systemctl --user start hyprland-session.target
+plugin=/path/to/plugin1
+plugin=/nix/store/00000000000000000000000000000000-foo/lib/libfoo.so
+$mod=SUPER
+bezier=smoothOut, 0.36, 0, 0.66, -0.56
+bezier=smoothIn, 0.25, 1, 0.5, 1
+bezier=overshot, 0.4,0.8,0.2,1.2
+source=sourced.conf
+animations {
+  animation=border, 1, 2, smoothIn
+  animation=fade, 1, 4, smoothOut
+  animation=windows, 1, 3, overshot, popin 80%
+  enabled=true
+}
+
+decoration {
+  col.shadow=rgba(00000099)
+  shadow_offset=0 5
+}
+
+device {
+  name=some:device
+  enable=true
+}
+
+device {
+  name=some:device-secondary
+  enable=true
+}
+
+input {
+  touchpad {
+    scroll_factor=0.300000
+  }
+  accel_profile=flat
+  follow_mouse=1
+  kb_layout=ro
+}
+
+plugin {
+  plugin1 {
+    section {
+      other=dummy setting
+    }
+    dummy=plugin setting
+  }
+}
+bindm=$mod, mouse:272, movewindow
+bindm=$mod, mouse:273, resizewindow
+bindm=$mod ALT, mouse:272, resizewindow
+# window resize
+bind = $mod, S, submap, resize
+
+submap = resize
+binde = , right, resizeactive, 10 0
+binde = , left, resizeactive, -10 0
+binde = , up, resizeactive, 0 -10
+binde = , down, resizeactive, 0 10
+bind = , escape, submap, reset
+submap = reset

tests/modules/services/window-managers/hyprland/multiple-devices-config.nix

@@ -0,0 +1,88 @@
+{ config, lib, ... }:
+
+{
+  wayland.windowManager.hyprland = {
+    enable = true;
+    package = lib.makeOverridable
+      (attrs: config.lib.test.mkStubPackage { name = "hyprland"; }) { };
+    plugins =
+      [ "/path/to/plugin1" (config.lib.test.mkStubPackage { name = "foo"; }) ];
+    settings = {
+      source = [ "sourced.conf" ];
+
+      decoration = {
+        shadow_offset = "0 5";
+        "col.shadow" = "rgba(00000099)";
+      };
+
+      "$mod" = "SUPER";
+
+      animations = {
+        enabled = true;
+        animation = [
+          "border, 1, 2, smoothIn"
+          "fade, 1, 4, smoothOut"
+          "windows, 1, 3, overshot, popin 80%"
+        ];
+      };
+
+      bezier = [
+        "smoothOut, 0.36, 0, 0.66, -0.56"
+        "smoothIn, 0.25, 1, 0.5, 1"
+        "overshot, 0.4,0.8,0.2,1.2"
+      ];
+
+      input = {
+        kb_layout = "ro";
+        follow_mouse = 1;
+        accel_profile = "flat";
+        touchpad = { scroll_factor = 0.3; };
+      };
+
+      bindm = [
+        # mouse movements
+        "$mod, mouse:272, movewindow"
+        "$mod, mouse:273, resizewindow"
+        "$mod ALT, mouse:272, resizewindow"
+      ];
+
+      device = [
+        {
+          name = "some:device";
+          enable = true;
+        }
+        {
+          name = "some:device-secondary";
+          enable = true;
+        }
+      ];
+
+      plugin = {
+        plugin1 = {
+          dummy = "plugin setting";
+          section = { other = "dummy setting"; };
+        };
+      };
+    };
+    extraConfig = ''
+      # window resize
+      bind = $mod, S, submap, resize
+
+      submap = resize
+      binde = , right, resizeactive, 10 0
+      binde = , left, resizeactive, -10 0
+      binde = , up, resizeactive, 0 -10
+      binde = , down, resizeactive, 0 10
+      bind = , escape, submap, reset
+      submap = reset
+    '';
+  };
+
+  nmt.script = ''
+    config=home-files/.config/hypr/hyprland.conf
+    assertFileExists "$config"
+
+    normalizedConfig=$(normalizeStorePaths "$config")
+    assertFileContent "$normalizedConfig" ${./multiple-devices-config.conf}
+  '';
+}

tests/modules/services/window-managers/hyprland/simple-config.conf

@@ -6,10 +6,6 @@ bezier=smoothOut, 0.36, 0, 0.66, -0.56
 bezier=smoothIn, 0.25, 1, 0.5, 1
 bezier=overshot, 0.4,0.8,0.2,1.2
 source=sourced.conf
-device {
-  name=some:device
-  enable=true
-}
 animations {
   animation=border, 1, 2, smoothIn
   animation=fade, 1, 4, smoothOut
@@ -22,6 +18,11 @@ decoration {
   shadow_offset=0 5
 }
 
+device {
+  name=some:device
+  enable=true
+}
+
 input {
   touchpad {
     scroll_factor=0.300000

tests/modules/services/window-managers/hyprland/sourceFirst-false-config.conf

@@ -0,0 +1,13 @@
+exec-once = /nix/store/00000000000000000000000000000000-dbus/bin/dbus-update-activation-environment --systemd DISPLAY HYPRLAND_INSTANCE_SIGNATURE WAYLAND_DISPLAY XDG_CURRENT_DESKTOP && systemctl --user stop hyprland-session.target && systemctl --user start hyprland-session.target
+bezier=smoothOut, 0.36, 0, 0.66, -0.56
+bezier=smoothIn, 0.25, 1, 0.5, 1
+bezier=overshot, 0.4,0.8,0.2,1.2
+input {
+  touchpad {
+    scroll_factor=0.300000
+  }
+  accel_profile=flat
+  follow_mouse=1
+  kb_layout=ro
+}
+source=sourced.conf

tests/modules/services/window-managers/hyprland/sourceFirst-false-config.nix

@@ -0,0 +1,34 @@
+{ config, lib, ... }:
+
+{
+  wayland.windowManager.hyprland = {
+    enable = true;
+    package = lib.makeOverridable
+      (attrs: config.lib.test.mkStubPackage { name = "hyprland"; }) { };
+    settings = {
+      source = [ "sourced.conf" ];
+
+      bezier = [
+        "smoothOut, 0.36, 0, 0.66, -0.56"
+        "smoothIn, 0.25, 1, 0.5, 1"
+        "overshot, 0.4,0.8,0.2,1.2"
+      ];
+
+      input = {
+        kb_layout = "ro";
+        follow_mouse = 1;
+        accel_profile = "flat";
+        touchpad = { scroll_factor = 0.3; };
+      };
+    };
+    sourceFirst = false;
+  };
+
+  nmt.script = ''
+    config=home-files/.config/hypr/hyprland.conf
+    assertFileExists "$config"
+
+    normalizedConfig=$(normalizeStorePaths "$config")
+    assertFileContent "$normalizedConfig" ${./sourceFirst-false-config.conf}
+  '';
+}