diff --git a/dgl/Window.hpp b/dgl/Window.hpp
index 64d0f561..39995d87 100644
--- a/dgl/Window.hpp
+++ b/dgl/Window.hpp
@@ -158,6 +158,11 @@ public:
     */
     virtual ~Window();
 
+   /**
+      TEST.
+    */
+    Window* createPopup();
+
    /**
       Whether this Window is embed into another (usually not DGL-controlled) Window.
     */
@@ -574,6 +579,9 @@ private:
                     bool usesSizeRequest,
                     bool doPostInit);
 
+   /** @internal */
+    explicit Window(Application& app, Window& transientParentWindow, uint type);
+
     DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(Window)
 };
 
diff --git a/dgl/src/Window.cpp b/dgl/src/Window.cpp
index 57ae2570..0db40e8e 100644
--- a/dgl/src/Window.cpp
+++ b/dgl/src/Window.cpp
@@ -111,6 +111,15 @@ Window::Window(Application& app,
     pData->initPost();
 }
 
+Window::Window(Application& app, Window& transientParentWindow, const uint type)
+    : pData(new PrivateData(app, this, transientParentWindow.pData))
+{
+    if (pData->view != nullptr)
+        puglSetViewHint(pData->view, PUGL_VIEW_TYPE, type);
+
+    pData->initPost();
+}
+
 Window::Window(Application& app,
                const uintptr_t parentWindowHandle,
                const uint width,
@@ -132,6 +141,11 @@ Window::~Window()
     delete pData;
 }
 
+Window* Window::createPopup()
+{
+    return new Window(pData->app, *this, PUGL_VIEW_TYPE_UTILITY);
+}
+
 bool Window::isEmbed() const noexcept
 {
     return pData->isEmbed;
diff --git a/examples/FileHandling/FileHandlingUI.cpp b/examples/FileHandling/FileHandlingUI.cpp
index 9babc9c1..4bee37c2 100644
--- a/examples/FileHandling/FileHandlingUI.cpp
+++ b/examples/FileHandling/FileHandlingUI.cpp
@@ -49,6 +49,8 @@ public:
     static const uint kInitialWidth  = 600;
     static const uint kInitialHeight = 350;
 
+    ScopedPointer<Window> win;
+
     FileHandlingExampleUI()
         : UI(kInitialWidth, kInitialHeight),
           fButton1(this, this),
@@ -70,6 +72,11 @@ public:
 #endif
 
         setGeometryConstraints(kInitialWidth, kInitialHeight, false);
+
+        win = getWindow().createPopup();
+        win->setTitle("test1");
+        win->setSize(300, 300);
+        win->runAsModal();
     }
 
 protected: