Simple application to get window WId ?

[Mag. Dr. Nikolaus Klepp]

Am Montag, 23. August 2010 schrieb Aaron Lewis:
> Hi,
> 	I'm currently working on a KDE application , plasma-globalmenu , which
> will make all GTK / Gnome application globally on XBar , but now i'm
> meeting a problem , so i need to write a simply application , which
> could help me detect the WId of a running window.
>
> Like , popup a mouse , let me click on something , and print a unique
> number (WId) , in decimal or hex , doesn't matter.
>
> Could anyone give a hand on this simple application ?
>
> I think it's very basic , but i've never done pure X11 programming
> before , any guides is appreciated.
>
> Many thanks !

xwininfo does the job. you might want to take a look at the sources :-)
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