wayfire: init hm module

modules/wayfire/hm.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  options.stylix.targets.wayfire.enable =
+    config.lib.stylix.mkEnableTarget "wayfire" true;
+
+  config =
+    lib.mkIf (config.stylix.enable && config.stylix.targets.wayfire.enable)
+      (
+        let
+          inherit (config.lib.stylix) colors;
+          rgb = rgb: ''\#${rgb}ff'';
+
+          wayfireCfg = config.wayland.windowManager.wayfire;
+
+          backgroundImage = toString (
+            pkgs.runCommand "wayfire-background.png" { } ''
+              ${lib.getExe' pkgs.imagemagick "convert"} ${config.stylix.image} $out
+            ''
+          );
+        in
+        {
+          wayland.windowManager.wayfire.settings = lib.mkIf wayfireCfg.enable {
+            cube = {
+              background = rgb colors.base00;
+              cubemap_image = backgroundImage;
+              skydome_texture = backgroundImage;
+            };
+
+            expo.background = rgb colors.base00;
+            vswitch.background = rgb colors.base00;
+            vswipe.background = rgb colors.base00;
+            core.background_color = rgb colors.base00;
+
+            decoration = {
+              font = "${config.stylix.fonts.monospace.name} ${toString config.stylix.fonts.sizes.desktop}";
+              active_color = rgb colors.base0D;
+              inactive_color = rgb colors.base03;
+            };
+          };
+
+          wayland.windowManager.wayfire.wf-shell.settings =
+            lib.mkIf wayfireCfg.wf-shell.enable
+              {
+                background.image = backgroundImage;
+                background.fill_mode =
+                  if config.stylix.imageScalingMode == "stretch" then
+                    "stretch"
+                  else if config.stylix.imageScalingMode == "fit" then
+                    "preserve_aspect"
+                  else
+                    "fill_and_crop";
+
+                panel.background_color = rgb colors.base01;
+                panel.menu_icon = "${pkgs.nixos-icons}/share/icons/hicolor/256x256/apps/nix-snowflake.png";
+              };
+        }
+      );
+}