From c41ef366287b0ee857f193a96d73e30925b2f62e Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Thu, 28 Nov 2019 11:30:49 +0000
Subject: [PATCH] add osx implementation to get nsview and nswindow.

---
 native/Avalonia.Native/inc/avalonia-native.h |  4 ++
 native/Avalonia.Native/src/OSX/window.mm     | 48 ++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/native/Avalonia.Native/inc/avalonia-native.h b/native/Avalonia.Native/inc/avalonia-native.h
index f1c7664c3e..e5d67717c1 100644
--- a/native/Avalonia.Native/inc/avalonia-native.h
+++ b/native/Avalonia.Native/inc/avalonia-native.h
@@ -212,6 +212,10 @@ AVNCOM(IAvnWindowBase, 02) : IUnknown
     virtual HRESULT GetSoftwareFramebuffer(AvnFramebuffer*ret) = 0;
     virtual HRESULT SetMainMenu(IAvnAppMenu* menu) = 0;
     virtual HRESULT ObtainMainMenu(IAvnAppMenu** retOut) = 0;
+    virtual HRESULT GetNSWindowHandle(void** ret) = 0;
+    virtual HRESULT GetNSWindowHandleRetained(void** ret) = 0;
+    virtual HRESULT GetNSViewHandle(void** ret) = 0;
+    virtual HRESULT GetNSViewHandleRetained(void** ret) = 0;
     virtual bool TryLock() = 0;
     virtual void Unlock() = 0;
 };
diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index 0e85332555..ed86b2f612 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -83,6 +83,54 @@ public:
         [Window setContentView: View];
     }
     
+    virtual HRESULT GetNSWindowHandle(void** ret) override
+    {
+        if (ret == nullptr)
+        {
+            return E_POINTER;
+        }
+        
+        *ret =  (__bridge void*)Window;
+        
+        return S_OK;
+    }
+    
+    virtual HRESULT GetNSWindowHandleRetained(void** ret) override
+    {
+        if (ret == nullptr)
+        {
+            return E_POINTER;
+        }
+        
+        *ret =  (__bridge_retained void*)Window;
+        
+        return S_OK;
+    }
+    
+    virtual HRESULT GetNSViewHandle(void** ret) override
+    {
+        if (ret == nullptr)
+        {
+            return E_POINTER;
+        }
+        
+        *ret =  (__bridge void*)View;
+        
+        return S_OK;
+    }
+    
+    virtual HRESULT GetNSViewHandleRetained(void** ret) override
+    {
+        if (ret == nullptr)
+        {
+            return E_POINTER;
+        }
+        
+        *ret =  (__bridge_retained void*)View;
+        
+        return S_OK;
+    }
+    
     virtual AvnWindow* GetNSWindow() override
     {
         return Window;