HACK: Massive hack to forward events to popups.

Has lots of problems, just testing.

native/Avalonia.Native/src/OSX/AvnWindow.mm

@@ -38,6 +38,7 @@
     AvnMenu* _menu;
     IAvnAutomationPeer* _automationPeer;
     AvnAutomationNode* _automationNode;
+    NSView* _Nullable _forwardKeyEventsTo;
 }
 
 -(AvnView* _Nullable) view
@@ -445,30 +446,71 @@
     return pt;
 }
 
-- (BOOL)makeFirstResponder:(NSResponder *)responder
+- (BOOL)makeFirstResponder:(nullable NSResponder *)responder
 {
     auto r = [super makeFirstResponder:responder];
     NSLog(@"'%@'.makeFirstResponser:%@ -> %d", [self title],  responder, r);
+    
+    if (_parent->Parent != nullptr)
+    {
+        if ([responder isKindOfClass:[NSView class]] && ![responder isKindOfClass:[AvnView class]])
+        {
+            NSLog(@"Native view in popup made first responder");
+            [_parent->Parent->Window forwardKeyEventsTo:responder];
+        }
+        else
+        {
+            [_parent->Parent->Window forwardKeyEventsTo:nil];
+        }
+    }
+    else
+    {
+        [self forwardKeyEventsTo:nil];
+    }
+    
     return r;
 }
 
+- (void)forwardKeyEventsTo:(nullable NSView*)responder
+{
+    NSLog(@"Forward key events to @%@", responder);    
+    _forwardKeyEventsTo = responder;
+}
+
 - (void)sendEvent:(NSEvent *_Nonnull)event
 {
     if (event.type == NSEventTypeLeftMouseDown)
     {
-        
+        [self forwardKeyEventsTo:nil];
     }
     
     if (event.type == NSEventTypeKeyDown)
     {
-        auto children = _parent->GetChildren();
-        
-        for (auto const& i : children)
+        if (_forwardKeyEventsTo != nil)
         {
-            [i->Window sendEvent: event];
+            [_forwardKeyEventsTo keyDown: event];
+            return;
+        }
+        else
+        {
+            auto children = _parent->GetChildren();
+            
+            for (auto const& i : children)
+            {
+                [i->Window sendEvent: event];
+            }
         }
     }
-    
+
+    if (event.type == NSEventTypeKeyUp)
+    {
+        if (_forwardKeyEventsTo != nil)
+        {
+            [_forwardKeyEventsTo keyUp: event];
+            return;
+        }
+    }
+
     [super sendEvent:event];
 
     /// This is to detect non-client clicks. This can only be done on Windows... not popups, hence the dynamic_cast.
@@ -555,6 +597,5 @@
     id focused = [self accessibilityFocusedUIElement];
     NSAccessibilityPostNotification(focused, NSAccessibilityFocusedUIElementChangedNotification);
 }
-
 @end
 

native/Avalonia.Native/src/OSX/PopupImpl.mm

@@ -26,7 +26,7 @@ private:
     PopupImpl(IAvnWindowEvents* events, TopLevelImpl* parent) : TopLevelImpl(events), WindowBaseImpl(events)
     {
         WindowEvents = events;
-        Parent = parent;
+        Parent = dynamic_cast<WindowBaseImpl*>(parent);
         [Window setLevel:NSPopUpMenuWindowLevel];
     }
 protected:
@@ -51,7 +51,7 @@ extern IAvnPopup* CreateAvnPopup(IAvnWindowEvents*events, IAvnTopLevel* parent)
 {
     @autoreleasepool
     {
-        IAvnPopup* ptr = dynamic_cast<IAvnPopup*>(new PopupImpl(events, parent));
+        IAvnPopup* ptr = dynamic_cast<IAvnPopup*>(new PopupImpl(events, dynamic_cast<TopLevelImpl*>(parent)));
         return ptr;
     }
 }

native/Avalonia.Native/src/OSX/WindowBaseImpl.h

@@ -13,6 +13,7 @@
 #include <list>
 
 @class AvnMenu;
+@class AvnWindow;
 @protocol AvnWindowProtocol;
 
 class WindowBaseImpl : public virtual TopLevelImpl,
@@ -110,7 +111,7 @@ protected:
 
 public:
     WindowBaseImpl* Parent;
-    NSWindow * Window;
+    AvnWindow * Window;
     ComPtr<IAvnWindowBaseEvents> BaseEvents;
     const std::list<WindowBaseImpl*> GetChildren()
     {

native/Avalonia.Native/src/OSX/WindowBaseImpl.mm

@@ -457,7 +457,7 @@ void WindowBaseImpl::CleanNSWindow() {
 
 void WindowBaseImpl::CreateNSWindow(bool usePanel) {
     if (usePanel) {
-        Window = [[AvnPanel alloc] initWithParent:this contentRect:NSRect{0, 0, lastSize} styleMask:NSWindowStyleMaskBorderless];
+        /*Window = [[AvnPanel alloc] initWithParent:this contentRect:NSRect{0, 0, lastSize} styleMask:NSWindowStyleMaskBorderless];*/
         [Window setHidesOnDeactivate:false];
     } else {
         Window = [[AvnWindow alloc] initWithParent:this contentRect:NSRect{0, 0, lastSize} styleMask:NSWindowStyleMaskBorderless];

native/Avalonia.Native/src/OSX/WindowImpl.mm

@@ -7,6 +7,7 @@
 #include "AutoFitContentView.h"
 #include "AvnView.h"
 #include "automation.h"
+#include "WindowInterfaces.h"
 #include "WindowProtocol.h"
 #include "WindowImpl.h"
 

native/Avalonia.Native/src/OSX/WindowInterfaces.h

@@ -2,7 +2,6 @@
 // Created by Dan Walmsley on 06/05/2022.
 // Copyright (c) 2022 Avalonia. All rights reserved.
 //
-
 #import <Foundation/Foundation.h>
 #import <AppKit/AppKit.h>
 #include "WindowProtocol.h"
@@ -12,6 +11,7 @@
 @interface AvnWindow : NSWindow <AvnWindowProtocol, NSWindowDelegate, AvnAccessibility>
 -(AvnWindow* _Nonnull) initWithParent: (WindowBaseImpl* _Nonnull) parent contentRect: (NSRect)contentRect styleMask: (NSWindowStyleMask)styleMask;
 -(AvnView* _Nullable) view;
+-(void)forwardKeyEventsTo:(nullable NSResponder*)responder;
 @end
 
 @interface AvnPanel : NSPanel <AvnWindowProtocol, NSWindowDelegate, AvnAccessibility>

src/Avalonia.Native/PopupImpl.cs

@@ -1,4 +1,5 @@
-using Avalonia.Controls;
+using System;
+using Avalonia.Controls;
 using Avalonia.Controls.Primitives.PopupPositioning;
 using Avalonia.Native.Interop;
 using Avalonia.Platform;
@@ -18,7 +19,8 @@ namespace Avalonia.Native
             
             using (var e = new PopupEvents(this))
             {
-                Init(new MacOSTopLevelHandle(_native = factory.CreatePopup(e)), factory.CreateScreens());
+                var parentNative = ((TopLevelImpl)_parent).Native;
+                Init(new MacOSTopLevelHandle(_native = factory.CreatePopup(e, parentNative)), factory.CreateScreens());
             }
             
             PopupPositioner = new ManagedPopupPositioner(new ManagedPopupPositionerPopupImplHelper(parent, MoveResize));