feat(ags4): implement lockscreen

modules/ags/gtk4/widgets/subclasses/stack.ts

@@ -0,0 +1,30 @@
+import { register } from 'astal';
+import { Gtk } from 'astal/gtk4';
+
+import astalify, { type AstalifyProps, type ConstructProps } from '../astalify';
+
+
+export type StackProps = ConstructProps<
+    StackClass,
+    Gtk.Stack.ConstructorProps & AstalifyProps
+>;
+
+@register({ GTypeName: 'Stack' })
+export class StackClass extends astalify(Gtk.Stack) {
+    constructor({ cssName = 'stack', ...props }: StackProps = {}) {
+        super({ cssName, ...props });
+    }
+
+    setChildren(self: StackClass, children: Gtk.Widget[]) {
+        for (const child of children) {
+            if (child.name !== '' && child.name !== null) {
+                self.add_named(child, child.name);
+            }
+            else {
+                self.add_child(child);
+            }
+        }
+    }
+}
+
+export const Stack = (props?: StackProps) => new StackClass(props);