Fix iOS AUv3 plugin issues with dialogs and callout boxes

Author: timothyschoen

Source/LookAndFeel.cpp

@@ -489,7 +489,14 @@ void PlugDataLook::drawComboBox(Graphics& g, int const width, int const height,
 
 PopupMenu::Options PlugDataLook::getOptionsForComboBoxPopupMenu(ComboBox& box, Label& label)
 {
-    return PopupMenu::Options().withTargetComponent(&box).withItemThatMustBeVisible(box.getSelectedId()).withInitiallySelectedItem(box.getSelectedId()).withMinimumWidth(box.getWidth()).withMaximumNumColumns(1).withStandardItemHeight(22);
+    auto options = PopupMenu::Options().withTargetComponent(&box).withItemThatMustBeVisible(box.getSelectedId()).withInitiallySelectedItem(box.getSelectedId()).withMinimumWidth(box.getWidth()).withMaximumNumColumns(1).withStandardItemHeight(22);
+    
+#if JUCE_IOS
+    if(mainComponent)
+        options = options.withParentComponent(mainComponent);
+#endif
+    
+    return options;
 }
 
 void PlugDataLook::drawGUIObjectSlider(Graphics& g, int const x, int const y, int const width, int const height, float sliderPos, float minSliderPos, float maxSliderPos, Slider& slider)

Source/LookAndFeel.h

@@ -204,6 +204,11 @@ struct PlugDataLook final : public LookAndFeel_V4 {
     static inline String currentTheme = "light";
     static inline StringArray selectedThemes = { "light", "dark" };
 
+#if JUCE_IOS
+    void setMainComponent(Component* c) { mainComponent = c; }
+    Component::SafePointer<Component> mainComponent;
+#endif
+    
 #if JUCE_IOS
     static constexpr int ioletSize = 15;
 #else

Source/PluginEditor.cpp

@@ -395,6 +395,10 @@ PluginEditor::PluginEditor(PluginProcessor& p)
         }
     });
 
+#if JUCE_IOS
+    pd->lnf->setMainComponent(this);
+#endif
+    
     startTimerHz(90);
 }
 
@@ -548,7 +552,7 @@ CallOutBox& PluginEditor::showCalloutBox(std::unique_ptr<Component> content, Rec
 
     if (ProjectInfo::canUseSemiTransparentWindows()) {
         content->addComponentListener(new CalloutDeletionListener(this));
-        calloutArea->addToDesktop(ComponentPeer::windowIsTemporary);
+        calloutArea->addToDesktop(ComponentPeer::windowIsTemporary, getPeer()->getNativeHandle());
         calloutArea->toFront(true);
         auto const bounds = calloutArea->getLocalArea(nullptr, screenBounds);
         return CallOutBox::launchAsynchronously(std::move(content), bounds, calloutArea.get());

Source/Utility/Config.cpp

@@ -58,7 +58,7 @@ void ProjectInfo::closeWindow(PlugDataWindow* window)
 bool ProjectInfo::canUseSemiTransparentWindows()
 {
 #if JUCE_IOS
-    return isStandalone;
+    return true;
 #endif
 #if !JUCE_MAC || PLUGDATA_STANDALONE
     return Desktop::canUseSemiTransparentWindows();