Re: gdk_window_at_pointer and foreign windows

[Ed Catmur <ed catmur co uk>]

On Mon, 2007-02-19 at 23:55 +0000, Kevin O'Riordan wrote:
> I'm pretty new to the whole GDK programming area. I have a question on
> managing foreign windows using GDK. I have a foreign window which I've
> "registered" with GDK using gdk_window_foreign_new. However, calling
> gdk_window_at_pointer when the mouse pointer is over the window
> returns me null.
>
> My theory for this is that child windows of the registered window
> might be "blocking" GDK from seeing the window that it has registered.
Yes.
> I've no idea if this is actually the case or not though. 
Have you tried reading the source?  Look in gdk/x11/gdkwindow-x11.c.
> If you call
> this method and the window directly under the pointer is a non-GDK
> window, will GDK go back up the X windows tree until it finds a GDK
> window?
No.

How big a problem is this?  What are you actually trying to do here?

Ed