exposing mainWindow for C++

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71746 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private.h

@@ -42,6 +42,7 @@ OSStatus WXDLLIMPEXP_CORE wxMacDrawCGImage(
 WX_NSImage WXDLLIMPEXP_CORE wxOSXGetNSImageFromCGImage( CGImageRef image );
 CGImageRef WXDLLIMPEXP_CORE wxOSXCreateCGImageFromNSImage( WX_NSImage nsimage );
 wxBitmap WXDLLIMPEXP_CORE wxOSXCreateSystemBitmap(const wxString& id, const wxString &client, const wxSize& size);
+WXWindow WXDLLIMPEXP_CORE wxOSXGetMainWindow();
 
 class WXDLLIMPEXP_FWD_CORE wxDialog;
 

src/osx/carbon/utilscocoa.mm

@@ -343,6 +343,19 @@ WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
     return uiFont;
 }
 
+#endif
+
+// ----------------------------------------------------------------------------
+// NSWindow Utils
+// ----------------------------------------------------------------------------
+
+#if wxOSX_USE_COCOA
+
+WXWindow wxOSXGetMainWindow()
+{
+    return [NSApp mainWindow];
+}
+
 #endif
 // ----------------------------------------------------------------------------
 // NSImage Utils