Implement access to a global toplevel GdkWindow in a way that does not require always having an extra GtkWindow.

And don't use "RootWindow" in the name, it is not a root window in the X11 sense.
Also add wxGetPangoContext() to get access to a PangoContext.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76465 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/x11/app.cpp

@@ -680,6 +680,12 @@ PangoContext* wxApp::GetPangoContext()
     return s_pangoContext;
 }
 
+PangoContext* wxGetPangoContext()
+{
+    PangoContext* context = wxTheApp->GetPangoContext();
+    g_object_ref(context);
+    return context;
+}
 #endif // wxUSE_UNICODE
 
 WXColormap wxApp::GetMainColormap(WXDisplay* display)