Enable dynamic colors for UI and firefox

home-manager/modules/dynamic-colors.nix

@@ -33,6 +33,13 @@ let
       target = "theme.css";
       exec = [ "${pkgs.systemd}/bin/systemctl" "--user" "restart" "waybar.service" ];
     }
+    {
+      exec = (
+        if nixosConfig.jalr.gui.enable
+        then [ "/usr/bin/env" "gsettings" "set" "org.gnome.desktop.interface" "color-scheme" "prefer-%scheme%" ]
+        else null
+      );
+    }
   ];
   dynamic-colors = pkgs.writers.writePython3Bin "dynamic-colors" { } ''
     import json
@@ -43,34 +50,62 @@ let
 
 
     def main():
+        DEFAULT_SCHEME = 'light'
         CONFIG_FILE = "~/.config/dynamic-colors/config.json"
         with open(pathlib.Path(CONFIG_FILE).expanduser(), "r") as fh:
             config = json.load(fh)
 
         command, = sys.argv[1:]
+
+        scheme = None
+        if command in ('light', 'dark'):
+            scheme = command
+        elif command == 'install':
+            pass
+        else:
+            raise NotImplementedError
+
         for entry in config:
-            directory = pathlib.Path(entry['dir']).expanduser()
-            target = directory.joinpath(entry['target'])
+            directory = (
+              pathlib.Path(entry['dir']).expanduser() if 'dir' in entry else None
+            )
+            if all(key in entry for key in (
+                'target',
+                'light',
+                'dark'
+            )):
+                target = directory.joinpath(entry['target'])
 
-            if command in ('light', 'dark'):
-                if target.exists() and target.is_symlink:
-                    os.remove(target)
+                if scheme is None:
+                    if target.exists():
+                        continue
+                    scheme = entry[DEFAULT_SCHEME]
+                else:
+                    if target.exists() and target.is_symlink:
+                        os.remove(target)
 
-                src = {
-                    'light': entry['light'],
-                    'dark': entry['dark'],
-                }[command]
+                    src = {
+                        'light': entry['light'],
+                        'dark': entry['dark'],
+                    }[scheme]
 
                 os.symlink(src, target)
 
-            else:
-                if target.exists():
-                    continue
-
-                os.symlink(entry['light'], target)
-
-            if 'exec' in entry:
-                subprocess.run(entry['exec'], cwd=directory)
+            if entry.get('exec') is not None:
+                command, *args = entry["exec"]
+                args = [
+                    arg.replace(
+                        '%scheme%', scheme
+                        if scheme is not None
+                        else DEFAULT_SCHEME
+                    )
+                    for arg in args
+                ]
+                print(command, *args)
+                subprocess.run(
+                    (command, *args),
+                    cwd=directory
+                )
 
 
     if __name__ == '__main__':
@@ -82,6 +117,7 @@ in
     text = lib.generators.toJSON { } applicationConfig;
     onChange = "${dynamic-colors}/bin/dynamic-colors install";
   };
+
   home.packages = [
     dynamic-colors
   ];

home-manager/modules/firefox/default.nix

@@ -6,6 +6,7 @@
     profiles = {
       default = {
         extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+          darkreader
           tree-style-tab
           ublock-origin
           umatrix

home-manager/modules/sway/default.nix

@@ -27,6 +27,17 @@ let
     meta.license = lib.licenses.cc0;
   };
   move-to-output = pkgs.callPackage ./move-to-output { };
+  gsettings =
+    let
+      schema = pkgs.gsettings-desktop-schemas;
+      datadir = "${schema}/share/gsettings-schemas/${schema.name}";
+    in
+    pkgs.writeShellScriptBin "gsettings" ''
+      export XDG_DATA_DIRS=${datadir}:$XDG_DATA_DIRS
+      gnome_schema=org.gnome.desktop.interface
+      #gsettings set $gnome_schema gtk-theme 'Dracula'
+      ${pkgs.glib}/bin/gsettings "$@"
+    '';
 in
 {
   imports = lib.optionals nixosConfig.jalr.gui.enable [
@@ -40,6 +51,7 @@ in
   home.packages = with pkgs; [
     sway-contrib.grimshot # screenshots
     wdisplays # graphical output manager
+    gsettings
   ];
 
   home.sessionVariables = {

modules/sway.nix

@@ -26,7 +26,10 @@ lib.mkIf config.jalr.gui.enable {
   xdg = {
     portal = {
       enable = true;
-      extraPortals = [ pkgs.xdg-desktop-portal-wlr ];
+      extraPortals = with pkgs; [
+        xdg-desktop-portal-wlr
+        xdg-desktop-portal-gtk
+      ];
     };
     icons.enable = true;
   };