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bug#17537: x-window-property doesn't work for most properties


From: Andreas Schwab
Subject: bug#17537: x-window-property doesn't work for most properties
Date: Wed, 21 May 2014 09:27:42 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Jeremy Maitin-Shepard <address@hidden> writes:

> x-window-property seems to return nil for most properties.
>
> (x-window-property "WM_HINTS")  -> returns non-nil
>
> (x-window-property "WM_NAME") -> returns nil even though the property is
> set (and displayed by xprop)
>
> (x-window-property "_NET_WM_STATE") -> returns nil even though property is
> set
>
> In fact I haven't found any property I can read other than WM_HINTS.

You can, if you use the same window id for the target window as xprop
(or build emacs without toolkit).

Andreas.

-- 
Andreas Schwab, SUSE Labs, address@hidden
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"And now for something completely different."





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