removing event handlers on non-owned windows when the destroy event is sent

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62985 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/carbon/private.h

@@ -1005,7 +1005,7 @@ public :
     wxNonOwnedWindowCarbonImpl();
     virtual ~wxNonOwnedWindowCarbonImpl();
 
-    virtual void Destroy() ;
+    virtual void WillBeDestroyed() ;
     void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
     long style, long extraStyle, const wxString& name ) ;
 

include/wx/osx/cocoa/private.h

@@ -193,7 +193,7 @@ public :
 
     virtual ~wxNonOwnedWindowCocoaImpl();
 
-    virtual void Destroy() ;
+    virtual void WillBeDestroyed() ;
     void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
     long style, long extraStyle, const wxString& name ) ;
 

include/wx/osx/core/private.h

@@ -653,7 +653,7 @@ public :
     {
     }
 
-    virtual void Destroy()
+    virtual void WillBeDestroyed()
     {
     }
 

include/wx/osx/iphone/private.h

@@ -125,7 +125,7 @@ public :
 
     virtual ~wxNonOwnedWindowIPhoneImpl();
 
-    virtual void Destroy() ;
+    virtual void WillBeDestroyed() ;
     void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
     long style, long extraStyle, const wxString& name ) ;
 

include/wx/osx/nonownedwnd.h

@@ -117,6 +117,8 @@ protected:
                                    wxShowEffect effect,
                                    unsigned timeout);
     
+    void OnWindowDestroy( wxWindowDestroyEvent &event);
+
     wxNonOwnedWindowImpl* m_nowpeer ;
 
 //    wxWindowMac* m_macFocus ;

src/osx/carbon/nonownedwnd.cpp

@@ -1144,15 +1144,13 @@ wxNonOwnedWindowCarbonImpl::~wxNonOwnedWindowCarbonImpl()
 
 }
 
-void wxNonOwnedWindowCarbonImpl::Destroy()
+void wxNonOwnedWindowCarbonImpl::WillBeDestroyed()
 {
     if ( m_macEventHandler )
     {
         ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
         m_macEventHandler = NULL ;
     }
-
-    wxPendingDelete.Append( new wxDeferredObjectDeleter( this ) ) ;
 }
 
 void wxNonOwnedWindowInstallTopLevelWindowEventHandler(WindowRef window, EventHandlerRef* handler, void *ref)

src/osx/cocoa/nonownedwnd.mm

@@ -351,9 +351,9 @@ wxNonOwnedWindowCocoaImpl::~wxNonOwnedWindowCocoaImpl()
     [m_macWindow release];
 }
 
-void wxNonOwnedWindowCocoaImpl::Destroy()
+void wxNonOwnedWindowCocoaImpl::WillBeDestroyed()
 {
-    wxPendingDelete.Append( new wxDeferredObjectDeleter( this ) );
+    [m_macWindow setDelegate:nil];
 }
 
 void wxNonOwnedWindowCocoaImpl::Create( wxWindow* WXUNUSED(parent), const wxPoint& pos, const wxSize& size,

src/osx/iphone/nonownedwnd.mm

@@ -90,9 +90,8 @@ wxNonOwnedWindowIPhoneImpl::~wxNonOwnedWindowIPhoneImpl()
     [m_macWindow release];
 }
 
-void wxNonOwnedWindowIPhoneImpl::Destroy()
+void wxNonOwnedWindowIPhoneImpl::WillBeDestroyed()
 {
-    wxPendingDelete.Append( new wxDeferredObjectDeleter( this ) );
 }
 
 void wxNonOwnedWindowIPhoneImpl::Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,

src/osx/nonownedwnd_osx.cpp

@@ -147,6 +147,9 @@ bool wxNonOwnedWindow::Create(wxWindow *parent,
     if ( parent )
         parent->AddChild(this);
 
+    wxBIND_OR_CONNECT_HACK(this, wxEVT_DESTROY, wxWindowDestroyEventHandler,
+                           wxNonOwnedWindow::OnWindowDestroy, this);
+
     return true;
 }
 
@@ -159,12 +162,21 @@ wxNonOwnedWindow::~wxNonOwnedWindow()
     DestroyChildren();
 
     delete m_nowpeer;
+    m_nowpeer = NULL;
 
     // avoid dangling refs
     if ( s_macDeactivateWindow == this )
         s_macDeactivateWindow = NULL;
 }
 
+void wxNonOwnedWindow::OnWindowDestroy( wxWindowDestroyEvent &event)
+{
+    event.Skip();
+    
+    if ( m_nowpeer )
+        m_nowpeer->WillBeDestroyed();
+}
+
 // ----------------------------------------------------------------------------
 // wxNonOwnedWindow misc
 // ----------------------------------------------------------------------------