Forward port event handler fixes to trunk.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56886 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/toplevel_osx.cpp

@@ -87,6 +87,17 @@ wxTopLevelWindowMac::~wxTopLevelWindowMac()
 {
 }
 
+bool wxTopLevelWindowMac::Destroy()
+{
+    // NB: this will get called during destruction if we don't do it now,
+    // and may fire a kill focus event on a control being destroyed
+#if wxOSX_USE_CARBON
+    if (m_nowpeer->GetWXWindow())
+        ClearKeyboardFocus( (WindowRef)m_nowpeer->GetWXWindow() );
+#endif
+    return wxTopLevelWindowBase::Destroy();
+}
+
 
 // ----------------------------------------------------------------------------
 // wxTopLevelWindowMac maximize/minimize