GtkOffscreenWindow and events


I'm trying to use those great GtkOffscreenWindows. I've just replaced the traditional GtkWindow(GTK_WINDOW_TOPLEVEL) and the expose_event with GtkOffscreenWindow and damage_event.
So far it works well: I can get the image of the window.

Now what I want to do is to send events to my offscreen window. I've tried for hours without result.
My latest attempt was to use gtk_main_do_event() but I get 2 gdk cast errors per call. I don't have the exact message right here. It was something like: gdk critical error, assertion failed. not a gdkwindow.

I would be very grateful if you had any idea to share about how to send events to an offscreen window?

My system is Windows 7 and I use GTK 2.2 with CodeBlocks.


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