diff --git a/nixosModules/ags/v2/default.nix b/nixosModules/ags/v2/default.nix
index a63a98f5..7199e422 100644
--- a/nixosModules/ags/v2/default.nix
+++ b/nixosModules/ags/v2/default.nix
@@ -50,6 +50,7 @@ self: {
               "skipLibCheck" = true;
               "checkJs" = true;
               "allowJs" = true;
+              "experimentalDecorators" = true;
               "jsx" = "react-jsx";
               "jsxImportSource" = "${agsV2Packages.astal}/share/astal/gjs/src/jsx";
               "paths" = {
diff --git a/nixosModules/ags/v2/eslint.config.ts b/nixosModules/ags/v2/eslint.config.ts
index 0a3eea06..fdfb502a 100644
--- a/nixosModules/ags/v2/eslint.config.ts
+++ b/nixosModules/ags/v2/eslint.config.ts
@@ -30,6 +30,9 @@ export default tseslint.config({
         'class-methods-use-this': 'off',
         '@stylistic/no-multiple-empty-lines': 'off',
         '@stylistic/jsx-indent-props': 'off',
+        'no-use-before-define': 'off',
+        '@typescript-eslint/no-use-before-define': 'error',
+        '@stylistic/indent-binary-ops': 'off',
 
         // Pre-flat config
         '@typescript-eslint/no-unused-vars': [
@@ -64,12 +67,6 @@ export default tseslint.config({
                 ],
             },
         ],
-        'no-use-before-define': [
-            'error',
-            {
-                functions: false,
-            },
-        ],
         'block-scoped-var': [
             'error',
         ],
diff --git a/nixosModules/ags/v2/widgets/misc/popup-window.tsx b/nixosModules/ags/v2/widgets/misc/popup-window.tsx
new file mode 100644
index 00000000..9814d7d2
--- /dev/null
+++ b/nixosModules/ags/v2/widgets/misc/popup-window.tsx
@@ -0,0 +1,88 @@
+import { Astal, Binding, idle, Widget } from 'astal';
+import { register, property } from 'astal/gobject';
+
+import AstalHyprland from 'gi://AstalHyprland?version=0.1';
+const Hyprland = AstalHyprland.get_default();
+
+/* Types */
+type CloseType = 'none' | 'stay' | 'released' | 'clicked';
+type HyprTransition = 'slide' | 'slide top' | 'slide bottom' | 'slide left' |
+    'slide right' | 'popin' | 'fade';
+type PopupCallback = (self: PopupWindow) => void;
+
+type PopupWindowProps = Widget.WindowProps & {
+    transition?: HyprTransition | Binding<HyprTransition>
+    close_on_unfocus?: CloseType | Binding<CloseType>
+    on_open?: PopupCallback
+    on_close?: PopupCallback
+};
+
+
+@register()
+class PopupWindow extends Widget.Window {
+    @property(String)
+    declare transition: HyprTransition | Binding<HyprTransition>;
+
+    @property(String)
+    declare close_on_unfocus: CloseType | Binding<CloseType>;
+
+    @property(Object)
+    declare on_open: PopupCallback;
+
+    @property(Object)
+    declare on_close: PopupCallback;
+
+    constructor({
+        transition = 'fade',
+        close_on_unfocus = 'none',
+        on_open = () => { /**/ },
+        on_close = () => { /**/ },
+
+        name,
+        visible = false,
+        layer = Astal.Layer.OVERLAY,
+        ...rest
+    }: PopupWindowProps) {
+        super({
+            ...rest,
+            name,
+            namespace: `win-${name}`,
+            visible: false,
+            layer,
+            setup: () => idle(() => {
+                // Add way to make window open on startup
+                if (visible) {
+                    this.visible = true;
+                }
+            }),
+        });
+
+        const setTransition = (_: PopupWindow, t: HyprTransition | Binding<HyprTransition>) => {
+            Hyprland.message_async(
+                `keyword layerrule animation ${t}, ${this.name}`,
+                () => { /**/ },
+            );
+        };
+
+        this.connect('notify::transition', setTransition);
+
+        this.close_on_unfocus = close_on_unfocus;
+        this.transition = transition;
+        this.on_open = on_open;
+        this.on_close = on_close;
+
+        this.connect('notify::visible', () => {
+            // Make sure we have the right animation
+            setTransition(this, this.transition);
+
+            if (this.visible) {
+                this.on_open(this);
+            }
+            else {
+                this.on_close(this);
+            }
+        });
+    };
+}
+
+export default (props: PopupWindowProps) => new PopupWindow(props);