Added a LookAndFeel method preparePopupMenuWindow() to allow the window component to be customised before being displayed

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.cpp

@@ -1080,6 +1080,8 @@ Component* LookAndFeel_V2::getParentComponentForMenuOptions (const PopupMenu::Op
     return options.getParentComponent();
 }
 
+void LookAndFeel_V2::preparePopupMenuWindow (Component&) {}
+
 //==============================================================================
 void LookAndFeel_V2::fillTextEditorBackground (Graphics& g, int /*width*/, int /*height*/, TextEditor& textEditor)
 {

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.h

@@ -162,6 +162,7 @@ public:
     void getIdealPopupMenuItemSize (const String& text, bool isSeparator, int standardMenuItemHeight,
                                     int& idealWidth, int& idealHeight) override;
     int getMenuWindowFlags() override;
+    void preparePopupMenuWindow (Component&) override;
 
     void drawMenuBarBackground (Graphics&, int width, int height, bool isMouseOverBar, MenuBarComponent&) override;
     int getMenuBarItemWidth (MenuBarComponent&, int itemIndex, const String& itemText) override;

modules/juce_gui_basics/menus/juce_PopupMenu.cpp

@@ -903,6 +903,7 @@ public:
                                                                   .withTargetComponent (nullptr),
                                                            false, dismissOnMouseUp, managerOfChosenCommand);
 
+            getLookAndFeel().preparePopupMenuWindow (*activeSubMenu);
             activeSubMenu->setVisible (true); // (must be called before enterModalState on Windows to avoid DropShadower confusion)
             activeSubMenu->enterModalState (false);
             activeSubMenu->toFront (false);

modules/juce_gui_basics/menus/juce_PopupMenu.h

@@ -707,6 +707,8 @@ public:
                                       MenuBarComponent&) = 0;
 
         virtual Component* getParentComponentForMenuOptions (const PopupMenu::Options& options) = 0;
+
+        virtual void preparePopupMenuWindow (Component& newWindow) = 0;
     };
 
 private: