From e9c95ee2e9e7409bf9dc2a759ef24ec955f2e2aa Mon Sep 17 00:00:00 2001
From: uttarayan21 <email@uttarayan.me>
Date: Tue, 5 Mar 2024 03:47:40 +0530
Subject: [PATCH] [feat] Add hyprpaper

---
 config/nix/common/home.nix         |  3 +-
 config/nix/linux/hyprland.nix      | 26 +++++++-
 config/nix/modules/hyprpaper.nix   | 98 ++++++++++++++++++++++++++++++
 config/nix/nixos/configuration.nix |  1 +
 4 files changed, 124 insertions(+), 4 deletions(-)
 create mode 100644 config/nix/modules/hyprpaper.nix

diff --git a/config/nix/common/home.nix b/config/nix/common/home.nix
index 2427b1bc..cb082a04 100644
--- a/config/nix/common/home.nix
+++ b/config/nix/common/home.nix
@@ -47,12 +47,13 @@ in
       (nerdfonts.override { fonts = [ "Hasklig" ]; })
       mpv
     ] ++ (if device.isLinux then [
+      gnome.seahorse
       gnome.nautilus
       nextcloud-client
       sbctl
       gparted
       gptfdisk
-      polkit-kde-agent
+      polkit_gnome
       dig
       mullvad
       steam-run
diff --git a/config/nix/linux/hyprland.nix b/config/nix/linux/hyprland.nix
index 02cb8625..d3122a14 100644
--- a/config/nix/linux/hyprland.nix
+++ b/config/nix/linux/hyprland.nix
@@ -1,4 +1,23 @@
 { pkgs, ... }: {
+  imports = [ ../modules/hyprpaper.nix ];
+  programs.hyprpaper =
+    let
+      wallpapers = [
+        (builtins.fetchurl
+          {
+            url = "https://w.wallhaven.cc/full/zy/wallhaven-zy2x7v.png";
+            sha256 =
+              "1vy4knw8cdwb5gszgvjahnwa2g0hh5lmz3v2hbx1nylmjg2rzpda";
+          })
+      ];
+    in
+    {
+      enable = true;
+      systemd.enable = true;
+      systemd.target = "hyprland-session.target";
+      settings.preload = wallpapers;
+      settings.wallpapers = (map (wallpaper: "DP-1," + wallpaper) wallpapers);
+    };
   wayland.windowManager.hyprland = {
     enable = true;
 
@@ -32,8 +51,8 @@
         gaps_in = 5;
         gaps_out = 20;
         border_size = 2;
-        "col.active_border" = "rgba(33ccffee) rgba(00ff99ee) 45deg";
-        "col.inactive_border" = "rgba(595959aa)";
+        "col.active_border" = "$mauve $mauve 45deg";
+        "col.inactive_border" = "$crust";
       };
 
       decoration = {
@@ -111,7 +130,8 @@
         "QT_QPA_PLATFORM,wayland"
       ];
       exec-once = [
-        "${pkgs.polkit-kde-agent}/libexec/polkit-kde-authentication-agent-1"
+        # "${pkgs.polkit-kde-agent}/libexec/polkit-kde-authentication-agent-1"
+        "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1"
         # "${pkgs.swayosd}/bin/swayosd-server"
         # "${pkgs.swww}/bin/swww init; swww img ~/.local/share/dotfiles/images/wallpaper.jpg"
         "${pkgs.ironbar}/bin/ironbar"
diff --git a/config/nix/modules/hyprpaper.nix b/config/nix/modules/hyprpaper.nix
new file mode 100644
index 00000000..10e12475
--- /dev/null
+++ b/config/nix/modules/hyprpaper.nix
@@ -0,0 +1,98 @@
+{ pkgs, config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.hyprpaper;
+in
+{
+  options = {
+    programs.hyprpaper = {
+      enable = mkEnableOption "Hyprpaper - Wayland wallpaper utility";
+
+      systemd = {
+        enable = mkEnableOption "autostart service for Hyprpaper";
+
+        target = mkOption {
+          type = types.str;
+          default = "graphical-session.target";
+          example = "hyprland-session.target";
+          description = ''
+            The systemd target that will automatically start the Hyprpaper service.
+          '';
+        };
+      };
+
+      settings = with types; {
+        preload = mkOption {
+          type = listOf path;
+          default = [ ];
+          description = ''
+            Wallpaper images that should be preloaded into memory 
+          '';
+          example = [ ./wallpapers/tensura.png ];
+        };
+
+        wallpapers = mkOption {
+          type = listOf str;
+          default = [ ];
+          description = ''
+            Wallpaper to monitor mapper
+          '';
+        };
+
+        extraConfig = mkOption {
+          type = str;
+          default = "";
+          description = "Check https://github.com/hyprwm/hyprpaper#usage for info";
+          example = ''
+            newConfigOption = foo,bar
+          '';
+        };
+      };
+    };
+  };
+
+  config = {
+    home.packages = mkIf cfg.enable [
+      pkgs.hyprpaper
+    ];
+
+    systemd.user.services.hyprpaper = mkIf cfg.systemd.enable {
+      Unit = {
+        Description = "autostart service for Hyprpaper";
+        Documentation = "https://github.com/hyprwm/hyprpaper";
+        BindsTo = [ "graphical-session.target" ];
+        After = [ "graphical-session-pre.target" ];
+      };
+
+      Service = {
+        ExecStart = "${pkgs.hyprpaper}/bin/hyprpaper";
+        ExecReload = "${pkgs.coreutils}/bin/kill -SIGUSR2 $MAINPID";
+        Restart = "on-failure";
+        KillMode = "mixed";
+      };
+
+      Install = { 
+        WantedBy = [ 
+          cfg.systemd.target 
+        ]; 
+      };
+    };
+
+    xdg.configFile = mkIf cfg.enable {
+      "hypr/hyprpaper.conf".text = ''
+        # Auto-generated by Nix home-manager module
+
+        # hyprpaper.settings.preload
+        ${(lists.foldl (acc: v: acc + "preload = ${v}\n") "" cfg.settings.preload)}
+
+        # hyprpaper.settings.wallpapers
+        ${(lists.foldl (acc: v: acc + "wallpaper = ${v}\n") "" cfg.settings.wallpapers)}
+
+        # hyprpaper.settings.extraConfig
+        ${cfg.settings.extraConfig}
+      '';
+    };
+  };
+}
diff --git a/config/nix/nixos/configuration.nix b/config/nix/nixos/configuration.nix
index 7b1d6832..ad0eb355 100644
--- a/config/nix/nixos/configuration.nix
+++ b/config/nix/nixos/configuration.nix
@@ -16,6 +16,7 @@
   services.devmon.enable = true;
   services.gvfs.enable = true;
   services.udisks2.enable = true;
+  services.gnome.gnome-keyring.enable = true;
 
   nix.settings.auto-optimise-store = true;
   nix.gc.automatic = true;