TableListBox: Avoid calling virtual functions in constructor

modules/juce_gui_basics/widgets/juce_ListBox.cpp

@@ -537,16 +537,20 @@ ListBox::~ListBox()
     viewport.reset();
 }
 
+void ListBox::assignModelPtr (ListBoxModel* const newModel)
+{
+    model = newModel;
+
+   #if ! JUCE_DISABLE_ASSERTIONS
+    weakModelPtr = model != nullptr ? model->sharedState : nullptr;
+   #endif
+}
+
 void ListBox::setModel (ListBoxModel* const newModel)
 {
     if (model != newModel)
     {
-        model = newModel;
-
-       #if ! JUCE_DISABLE_ASSERTIONS
-        weakModelPtr = model != nullptr ? model->sharedState : nullptr;
-       #endif
-
+        assignModelPtr (newModel);
         repaint();
         updateContent();
     }

modules/juce_gui_basics/widgets/juce_ListBox.h

@@ -613,6 +613,7 @@ private:
     std::weak_ptr<ListBoxModel::Empty> weakModelPtr;
    #endif
 
+    void assignModelPtr (ListBoxModel*);
     void checkModelPtrIsValid() const;
     std::unique_ptr<AccessibilityHandler> createAccessibilityHandler() override;
     bool hasAccessibleHeaderComponent() const;

modules/juce_gui_basics/widgets/juce_TableListBox.cpp

@@ -339,7 +339,7 @@ private:
 TableListBox::TableListBox (const String& name, TableListBoxModel* const m)
     : ListBox (name, nullptr), model (m)
 {
-    ListBox::setModel (this);
+    ListBox::assignModelPtr (this);
 
     setHeader (std::make_unique<Header> (*this));
 }