On 11-Mar-2002 Mattias Ekl�f wrote:
> I've written two different implementations of a snap-to-window
> behaviour, but right now I have a problem I don't quite know how to deal
> with. As it is now a window doesn't care about how the other windows are
> layered and will snap to the closest window, even if the closest window
> is all covered. I don't think this is a desired behaviour, but I don't
> know what to do about it. I'm not quite familar with the properties of a
> window. Like what is meant by a window being visible? I also don't know
> what the desired behaviour should be. Should windows only snap to top
> layered windows, or any part of a visible window?
> 
> Any input or suggestions would be appreciated.
> 
> Mattias

visible refers to it being on the current desktop and not iconified.  Has
nothing to do with whether you can actually see it due to its stacking order.

I am not certain the current code base privdes any real option for "is window A
covered?".

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