Plugin Client: Respect requested layer-backedness of editor

modules/juce_audio_plugin_client/AAX/juce_AAX_Wrapper.cpp

@@ -29,7 +29,7 @@
 #if JucePlugin_Build_AAX && (JUCE_MAC || JUCE_WINDOWS)
 
 #include <juce_audio_plugin_client/utility/juce_IncludeSystemHeaders.h>
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 #include <juce_audio_plugin_client/utility/juce_WindowsHooks.h>
 
 #include <juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp>
@@ -454,7 +454,7 @@ namespace AAXClasses
                #endif
                 {
                     component->setVisible (true);
-                    component->addToDesktop (0, nativeViewToAttachTo);
+                    component->addToDesktop (detail::PluginUtilities::getDesktopFlags (component->pluginEditor.get()), nativeViewToAttachTo);
 
                     if (ModifierKeyReceiver* modReceiver = dynamic_cast<ModifierKeyReceiver*> (component->getPeer()))
                         modReceiver->setModifierKeyProvider (this);

modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm

@@ -58,7 +58,7 @@ JUCE_END_IGNORE_WARNINGS_GCC_LIKE
 
 #define JUCE_CORE_INCLUDE_OBJC_HELPERS 1
 
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 
 #include <juce_audio_basics/native/juce_mac_CoreAudioLayouts.h>
 #include <juce_audio_basics/native/juce_mac_CoreAudioTimeConversions.h>
@@ -1600,7 +1600,7 @@ public:
                                                        object: nil];
             activeUIs.add (view);
 
-            editorCompHolder->addToDesktop (0, (void*) view);
+            editorCompHolder->addToDesktop (detail::PluginUtilities::getDesktopFlags (editor), view);
             editorCompHolder->setVisible (view);
 
             return view;

modules/juce_audio_plugin_client/AU/juce_AUv3_Wrapper.mm

@@ -39,7 +39,7 @@
 #define JUCE_CORE_INCLUDE_OBJC_HELPERS 1
 
 #include <juce_audio_plugin_client/utility/juce_IncludeSystemHeaders.h>
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 
 #import <CoreAudioKit/CoreAudioKit.h>
 #import <AudioToolbox/AudioToolbox.h>
@@ -1834,7 +1834,7 @@ public:
                     editor->setVisible (true);
                    #endif
 
-                    editor->addToDesktop (0, view);
+                    detail::PluginUtilities::addToDesktop (*editor, view);
 
                    #if JUCE_IOS
                     if (JUCE_IOS_MAC_VIEW* peerView = [[[myself view] subviews] objectAtIndex: 0])

modules/juce_audio_plugin_client/LV2/juce_LV2_Client.cpp

@@ -39,6 +39,7 @@
 
 #include <juce_audio_plugin_client/juce_audio_plugin_client.h>
 #include <juce_audio_plugin_client/utility/juce_CheckSettingMacros.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 #include <juce_audio_plugin_client/utility/juce_LinuxMessageThread.h>
 
 #include <juce_audio_processors/utilities/juce_FlagCache.h>
@@ -1534,7 +1535,7 @@ public:
         setOpaque (true);
         setVisible (false);
         removeFromDesktop();
-        addToDesktop (0, parent);
+        addToDesktop (detail::PluginUtilities::getDesktopFlags (editor.get()), parent);
         editor->addComponentListener (this);
 
         *widget = getWindowHandle();

modules/juce_audio_plugin_client/Unity/juce_Unity_Wrapper.cpp

@@ -27,7 +27,7 @@
 
 #if JucePlugin_Build_Unity
 
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 #include <juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp>
 
 #if JUCE_WINDOWS
@@ -298,7 +298,7 @@ public:
         {
             pluginInstanceEditor.reset (pluginInstance->createEditorIfNeeded());
             pluginInstanceEditor->setVisible (true);
-            pluginInstanceEditor->addToDesktop (0);
+            detail::PluginUtilities::addToDesktop (*pluginInstanceEditor, nullptr);
         }
 
         juceParameters.update (*pluginInstance, false);

modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp

@@ -100,7 +100,7 @@ JUCE_END_IGNORE_WARNINGS_GCC_LIKE
 #define JUCE_VSTINTERFACE_H_INCLUDED 1
 #define JUCE_GUI_BASICS_INCLUDE_XHEADERS 1
 
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 
 using namespace juce;
 
@@ -123,7 +123,7 @@ namespace juce
 {
  #if JUCE_MAC
   extern JUCE_API void initialiseMacVST();
-  extern JUCE_API void* attachComponentToWindowRefVST (Component*, void* parent, bool isNSView);
+  extern JUCE_API void* attachComponentToWindowRefVST (Component*, int, void* parent, bool isNSView);
   extern JUCE_API void detachComponentFromWindowRefVST (Component*, void* window, bool isNSView);
   extern JUCE_API void setNativeHostWindowSizeVST (void* window, Component*, int newWidth, int newHeight, bool isNSView);
   extern JUCE_API void checkWindowVisibilityVST (void* window, Component*, bool isNSView);
@@ -1003,8 +1003,10 @@ public:
         {
             setVisible (false);
 
+            const auto desktopFlags = detail::PluginUtilities::getDesktopFlags (getEditorComp());
+
            #if JUCE_WINDOWS || JUCE_LINUX || JUCE_BSD
-            addToDesktop (0, args.ptr);
+            addToDesktop (desktopFlags, args.ptr);
             hostWindow = (HostWindowType) args.ptr;
 
             #if JUCE_LINUX || JUCE_BSD
@@ -1021,7 +1023,7 @@ public:
              startTimer (500);
             #endif
            #elif JUCE_MAC
-            hostWindow = attachComponentToWindowRefVST (this, args.ptr, wrapper.useNSView);
+            hostWindow = attachComponentToWindowRefVST (this, desktopflags, args.ptr, wrapper.useNSView);
            #endif
 
             setVisible (true);

modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.mm

@@ -79,8 +79,8 @@ void initialiseMacVST()
    #endif
 }
 
-JUCE_API void* attachComponentToWindowRefVST (Component* comp, void* parentWindowOrView, bool isNSView);
-void* attachComponentToWindowRefVST (Component* comp, void* parentWindowOrView, [[maybe_unused]] bool isNSView)
+JUCE_API void* attachComponentToWindowRefVST (Component* comp, int, void* parentWindowOrView, bool isNSView);
+void* attachComponentToWindowRefVST (Component* comp, int desktopFlags, void* parentWindowOrView, [[maybe_unused]] bool isNSView)
 {
     JUCE_AUTORELEASEPOOL
     {
@@ -138,11 +138,13 @@ void* attachComponentToWindowRefVST (Component* comp, void* parentWindowOrView,
 
             updateEditorCompBoundsVST (comp);
 
-           #if ! JucePlugin_EditorRequiresKeyboardFocus
-            comp->addToDesktop (ComponentPeer::windowIsTemporary | ComponentPeer::windowIgnoresKeyPresses);
-           #else
-            comp->addToDesktop (ComponentPeer::windowIsTemporary);
-           #endif
+            const auto defaultFlags =
+                   #if ! JucePlugin_EditorRequiresKeyboardFocus
+                    ComponentPeer::windowIsTemporary | ComponentPeer::windowIgnoresKeyPresses;
+                   #else
+                    ComponentPeer::windowIsTemporary;
+                   #endif
+            comp->addToDesktop (desktopFlags | defaultFlags);
 
             comp->setVisible (true);
             comp->toFront (false);
@@ -163,11 +165,13 @@ void* attachComponentToWindowRefVST (Component* comp, void* parentWindowOrView,
 
         NSView* parentView = [(NSView*) parentWindowOrView retain];
 
-       #if JucePlugin_EditorRequiresKeyboardFocus
-        comp->addToDesktop (0, parentView);
-       #else
-        comp->addToDesktop (ComponentPeer::windowIgnoresKeyPresses, parentView);
-       #endif
+        const auto defaultFlags =
+               #if JucePlugin_EditorRequiresKeyboardFocus
+                0;
+               #else
+                ComponentPeer::windowIgnoresKeyPresses;
+               #endif
+        comp->addToDesktop (desktopFlags | defaultFlags, parentView);
 
         // (this workaround is because Wavelab provides a zero-size parent view..)
         if ([parentView frame].size.height == 0)

modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp

@@ -46,7 +46,7 @@ JUCE_BEGIN_NO_SANITIZE ("vptr")
 
 #include <juce_audio_plugin_client/utility/juce_CheckSettingMacros.h>
 #include <juce_audio_plugin_client/utility/juce_IncludeSystemHeaders.h>
-#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+#include <juce_audio_plugin_client/utility/juce_PluginUtilities.h>
 #include <juce_audio_plugin_client/utility/juce_WindowsHooks.h>
 #include <juce_audio_plugin_client/utility/juce_LinuxMessageThread.h>
 #include <juce_audio_processors/format_types/juce_LegacyAudioParameter.cpp>
@@ -108,14 +108,14 @@ using namespace Steinberg;
 
 //==============================================================================
 #if JUCE_MAC
- extern void initialiseMacVST();
+ void initialiseMacVST();
 
  #if ! JUCE_64BIT
-  extern void updateEditorCompBoundsVST (Component*);
+  void updateEditorCompBoundsVST (Component*);
  #endif
 
- extern JUCE_API void* attachComponentToWindowRefVST (Component*, void* parentWindowOrView, bool isNSView);
- extern JUCE_API void detachComponentFromWindowRefVST (Component*, void* nsWindow, bool isNSView);
+ JUCE_API void* attachComponentToWindowRefVST (Component*, int desktopFlags, void* parentWindowOrView, bool isNSView);
+ JUCE_API void detachComponentFromWindowRefVST (Component*, void* nsWindow, bool isNSView);
 #endif
 
 #if JUCE_WINDOWS && JUCE_WIN_PER_MONITOR_DPI_AWARE
@@ -1783,6 +1783,8 @@ private:
 
             createContentWrapperComponentIfNeeded();
 
+            const auto desktopFlags = detail::PluginUtilities::getDesktopFlags (component->pluginEditor.get());
+
            #if JUCE_WINDOWS || JUCE_LINUX || JUCE_BSD
             // If the plugin was last opened at a particular scale, try to reapply that scale here.
             // Note that we do this during attach(), rather than in JuceVST3Editor(). During the
@@ -1798,7 +1800,7 @@ private:
             #endif
 
             component->setOpaque (true);
-            component->addToDesktop (0, (void*) systemWindow);
+            component->addToDesktop (desktopFlags, systemWindow);
             component->setVisible (true);
 
             #if JUCE_WINDOWS && JUCE_WIN_PER_MONITOR_DPI_AWARE
@@ -1807,7 +1809,7 @@ private:
 
            #else
             isNSView = (strcmp (type, kPlatformTypeNSView) == 0);
-            macHostWindow = juce::attachComponentToWindowRefVST (component.get(), parent, isNSView);
+            macHostWindow = juce::attachComponentToWindowRefVST (component.get(), desktopFlags, parent, isNSView);
            #endif
 
             component->resizeHostWindow();

modules/juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h

@@ -23,8 +23,9 @@
   ==============================================================================
 */
 
+#pragma once
+
 #include <juce_audio_plugin_client/juce_audio_plugin_client.h>
-#include <juce_audio_plugin_client/utility/juce_CreatePluginFilter.h>
 
 namespace juce
 {

modules/juce_audio_plugin_client/utility/juce_PluginUtilities.h

@@ -0,0 +1,55 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2022 - Raw Material Software Limited
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
+   Agreement and JUCE Privacy Policy.
+
+   End User License Agreement: www.juce.com/juce-7-licence
+   Privacy Policy: www.juce.com/juce-privacy-policy
+
+   Or: You may also use this code under the terms of the GPL v3 (see
+   www.gnu.org/licenses).
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+#pragma once
+
+#include <juce_audio_plugin_client/utility/juce_IncludeModuleHeaders.h>
+
+namespace juce::detail
+{
+
+struct PluginUtilities
+{
+    PluginUtilities() = delete;
+
+    static int getDesktopFlags (const AudioProcessorEditor& editor)
+    {
+        return editor.wantsLayerBackedView()
+             ? 0
+             : ComponentPeer::windowRequiresSynchronousCoreGraphicsRendering;
+    }
+
+    static int getDesktopFlags (const AudioProcessorEditor* editor)
+    {
+        return editor != nullptr ? getDesktopFlags (*editor) : 0;
+    }
+
+    static void addToDesktop (AudioProcessorEditor& editor, void* parent)
+    {
+        editor.addToDesktop (getDesktopFlags (editor), parent);
+    }
+};
+
+} // namespace juce::detail