fix sddm theme and background preloading

modules/desktop-environments/hyprland/default.nix

@@ -4,13 +4,14 @@ let
 
   bing-wallpaper = pkgs.writeScriptBin "bing-wallpaper" ''
     # Directory to store wallpapers
-    IMG_PATH="/tmp/wallpaper.jpg"
+    IMG_PATH="/run/wallpaper.jpg"
 
     # Download if not already downloaded
     URL=$(curl -s "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1" | \
       jq -r '.images[0].url')
     FULL_URL="https://www.bing.com$URL"
     curl -s -o "$IMG_PATH" "$FULL_URL"
+    echo "Downloaded $FULL_URL to $IMG_PATH successfully"
   '';
 in
 {
@@ -28,6 +29,11 @@ in
         extraPackages = [ theme.sddm.package ];
         theme = theme.sddm.themeName;
         wayland.enable = true;
+        settings = {
+          Theme = {
+            ThemeDir = "${theme.sddm.package}/share/sddm/themes";
+          };
+        };
       };
       # Disable gdm
       gdm.enable = lib.mkForce false;
@@ -60,6 +66,7 @@ in
   systemd = {
     services = {
       preload-bing-wallpaper = {
+        enable = true;
         wants = [ "network.target" ];
         after = [ "network.target" ];
         wantedBy = [ "graphical-session.target" ];
@@ -72,6 +79,9 @@ in
         script = ''
           bing-wallpaper
         '';
+        serviceConfig = {
+          Type = "oneshot";
+        };
       };
     };
     user.services.polkit-gnome-authentication-agent-1 = {

modules/desktop-environments/hyprland/home.nix

@@ -1,7 +1,7 @@
 { lib, pkgs, ... }:
 let
   theme = import ./theme.nix { inherit pkgs; };
-  wallpaper = "/tmp/wallpaper.jpg";
+  wallpaper = "/run/wallpaper.jpg";
 in
 {
   imports = [
@@ -96,10 +96,10 @@ in
     hyprpaper = {
       enable = true;
       settings = {
-        preload = [ "/tmp/wallpaper.jpg" wallpaper ];
+        preload = [ "/run/wallpaper.jpg" wallpaper ];
         wallpaper = [
-          "${theme.displayLeft.input}, /tmp/wallpaper.jpg"
-          "${theme.displayRight.input}, /tmp/wallpaper.jpg"
+          "${theme.displayLeft.input}, /run/wallpaper.jpg"
+          "${theme.displayRight.input}, /run/wallpaper.jpg"
         ];
         splash = false;
       };

modules/desktop-environments/hyprland/theme.nix

@@ -7,12 +7,12 @@ let
   iconThemeVariant = "all"; # [ "default" "purple" "pink" "red" "orange" "yellow" "green" "teal" "grey" "all" ]
   iconScheme = "nord"; # [ "default" "nord" "dracula" "gruvbox" "everforest" "catppuccin" "all" ]
 
-  # customized_sddm_astronaut = pkgs.sddm-astronaut.override {
-  #   embeddedTheme = "hyprland_kath";
-  #   themeConfig = {
-  #     Background = "path/to/background.jpg";
-  #   };
-  # };
+  sddmThemePkg = pkgs.sddm-astronaut.override {
+    embeddedTheme = "astronaut";
+    themeConfig = {
+      Background = "/run/wallpaper.jpg";
+    };
+  };
 in
 {
   # Displays
@@ -61,7 +61,7 @@ in
   # SDDM/Locking
   sddm = {
     themeName = "sddm-astronaut-theme";
-    package = pkgs.sddm-astronaut;
+    package = sddmThemePkg;
   };
   lockScreenTimer = 900; # 15 min
   screenOffTimer = 930; # 15.5 min