qtquick: Implement DockWidget_qtquick::frameVisualItem()

src/qtquick/views/DockWidget_qtquick.cpp

@@ -154,11 +154,10 @@ QObject *DockWidget_qtquick::actualTitleBarView() const
 QQuickItem *DockWidget_qtquick::frameVisualItem() const
 {
     if (Controllers::Frame *frame = this->frame()) {
-        Q_UNUSED(frame)
-        // return frame->visualItem(); TODOm2
+        if (auto view = asView_qtquick(frame->view()))
+            return view->visualItem();
     }
 
-
     return nullptr;
 }
 

src/qtquick/views/Frame_qtquick.h

@@ -52,7 +52,7 @@ public:
     QSize maximumSize() const override;
 
     /// @brief Returns the QQuickItem which represents this frame on the screen
-    QQuickItem *visualItem() const;
+    QQuickItem *visualItem() const override;
 
     QRect dragRect() const override;
 

src/qtquick/views/View_qtquick.cpp

@@ -830,4 +830,10 @@ void View_qtquick::setZOrder(int z)
     QQuickItem::setZ(z);
 }
 
+QQuickItem *View_qtquick::visualItem() const
+{
+    qWarning() << Q_FUNC_INFO << "Base class called, please implement in your derived class if needed";
+    return nullptr;
+}
+
 #include "View_qtquick.moc"

src/qtquick/views/View_qtquick.h

@@ -158,6 +158,7 @@ public:
     void setMouseTracking(bool enable) override;
     QVector<std::shared_ptr<View>> childViews() const override;
     void setZOrder(int) override;
+    virtual QQuickItem *visualItem() const;
 
     /// @brief This is equivalent to "anchors.fill: parent but in C++
     void makeItemFillParent(QQuickItem *item);