Added a LookAndFeel method to customise the options of a ComboBox's PopupMenu

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.cpp

@@ -1199,6 +1199,15 @@ void LookAndFeel_V2::positionComboBoxText (ComboBox& box, Label& label)
     label.setFont (getComboBoxFont (box));
 }
 
+PopupMenu::Options LookAndFeel_V2::getOptionsForComboBoxPopupMenu (ComboBox& box, Label& label)
+{
+    return PopupMenu::Options().withTargetComponent (&box)
+                               .withItemThatMustBeVisible (box.getSelectedId())
+                               .withMinimumWidth (box.getWidth())
+                               .withMaximumNumColumns (1)
+                               .withStandardItemHeight (label.getHeight());
+}
+
 //==============================================================================
 Font LookAndFeel_V2::getLabelFont (Label& label)
 {

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.h

@@ -193,6 +193,7 @@ public:
     Font getComboBoxFont (ComboBox&) override;
     Label* createComboBoxTextBox (ComboBox&) override;
     void positionComboBoxText (ComboBox&, Label&) override;
+    PopupMenu::Options getOptionsForComboBoxPopupMenu (ComboBox&, Label&) override;
 
     //==============================================================================
     void drawLabel (Graphics&, Label&) override;

modules/juce_gui_basics/widgets/juce_ComboBox.cpp

@@ -545,12 +545,10 @@ void ComboBox::showPopup()
         menu.addItem (1, noChoicesMessage, false, false);
     }
 
-    menu.setLookAndFeel (&getLookAndFeel());
-    menu.showMenuAsync (PopupMenu::Options().withTargetComponent (this)
-                                            .withItemThatMustBeVisible (getSelectedId())
-                                            .withMinimumWidth (getWidth())
-                                            .withMaximumNumColumns (1)
-                                            .withStandardItemHeight (label->getHeight()),
+    auto& lookAndFeel = getLookAndFeel();
+
+    menu.setLookAndFeel (&lookAndFeel);
+    menu.showMenuAsync (lookAndFeel.getOptionsForComboBoxPopupMenu (*this, *label),
                         ModalCallbackFunction::forComponent (comboBoxPopupMenuFinishedCallback, this));
 }
 

modules/juce_gui_basics/widgets/juce_ComboBox.h

@@ -376,6 +376,8 @@ public:
         virtual Label* createComboBoxTextBox (ComboBox&) = 0;
 
         virtual void positionComboBoxText (ComboBox&, Label& labelToPosition) = 0;
+
+        virtual PopupMenu::Options getOptionsForComboBoxPopupMenu (ComboBox&, Label&) = 0;
     };
 
     //==============================================================================