Add hyprland theming

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/configs/hyprland/default.nix

@@ -1,11 +1,15 @@
-{ user ? throw "user argument is required" }: { lib, pkgs, ... }:
+{ user ? throw "user argument is required" }: { config, lib, pkgs, ... }:
 
+let
+  hmConfig = config.home-manager.users."${user.name}";
+in
 {
   programs.hyprland.enable = true;
 
   home-manager.users."${user.name}" = {
     wayland.windowManager.hyprland = {
       enable = true;
+
       settings = {
         "$mod" = "SUPER";
         "$term" = lib.meta.getExe pkgs.kitty;
@@ -93,8 +97,20 @@
         misc = {
           "disable_hyprland_logo" = true;
           "disable_splash_rendering" = true;
+          "new_window_takes_over_fullscreen" = 2;
         };
+
+        decoration.blur = {
+          passes = 2;
+          popups = true;
+        };
+
+        input.touchpad.natural_scroll = true;
       };
+
+      extraConfig = ''
+        source = ./theme.conf
+      '';
     };
 
     programs.zsh.loginExtra = lib.mkAfter ''
@@ -103,6 +119,13 @@
       fi
     '';
 
+    programs.matugen.settings.templates = {
+      hyprland = {
+        input_path = ./theme.conf;
+        output_path = "${hmConfig.xdg.configHome}/hypr/theme.conf";
+      };
+    };
+
     theme.extraConfig = "${lib.meta.getExe (pkgs.writeShellApplication {
         name = "reload-hyprland";
         runtimeInputs = with pkgs; [ hyprland ];

users/configs/hyprland/theme.conf

@@ -0,0 +1,20 @@
+general {
+  gaps_in = {{custom.padding}}
+  gaps_out = {{custom.padding_double}}
+  col.inactive_border = rgba({{colors.surface.default.hex_stripped}}{{custom.opacity_hex | to_lower}})
+  col.active_border = rgb({{colors.primary.default.hex_stripped}})
+}
+
+decoration {
+  rounding = {{custom.radius}}
+  col.shadow = rgba({{colors.shadow.default.hex_stripped}}{{custom.opacity_shadow_hex | to_lower}})
+
+  blur {
+    size = {{custom.blur}}
+  }
+}
+
+misc {
+  col.splash = rgb({{colors.on_surface.default.hex_stripped}})
+  background_color = rgb({{colors.surface.default.hex_stripped}})
+}