[Workspaces] Handle admin windows repositioning. (#34965)

src/modules/Workspaces/WorkspacesWindowArranger/WindowCreationHandler.h

@@ -0,0 +1,30 @@
+#pragma once
+
+class WindowCreationHandler
+{
+public:
+    WindowCreationHandler(std::function<void(HWND)> windowCreatedCallback);
+    ~WindowCreationHandler();
+
+private:
+    static inline WindowCreationHandler* s_instance = nullptr;
+    std::vector<HWINEVENTHOOK> m_staticWinEventHooks;
+    std::function<void(HWND)> m_windowCreatedCallback;
+
+    void InitHooks();
+    void HandleWinHookEvent(DWORD event, HWND window) noexcept;
+
+    static void CALLBACK WinHookProc(HWINEVENTHOOK winEventHook,
+                                     DWORD event,
+                                     HWND window,
+                                     LONG object,
+                                     LONG child,
+                                     DWORD eventThread,
+                                     DWORD eventTime)
+    {
+        if (s_instance)
+        {
+            s_instance->HandleWinHookEvent(event, window);
+        }
+    }
+};