bug#35873: Add atomic window support to Gnus

[Eric Abrahamsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> martin rudalics <rudalics@gmx.at> writes:
>
>>> I updated the patch with Martin's suggestion, and am back to running
>>> this daily. One thing I noticed is that (in this case in my Gnorb
>>> package) running `delete-other-windows' from a Gnus window will now
>>> result in one of these:
>>>
>>> delete-other-windows: Root of atomic window is root window of its frame
>>>
>>> That error is expected with atomic windows. I can change Gnorb to not
>>> use `delete-other-windows' (it shouldn't be using that anyway), but I
>>> wonder if that's likely to cause an unacceptable amount of friction with
>>> other packages/user code. (While noting that this behavior is off by
>>> default.)
>>
>> You can also specify a function in the 'delete-other-windows'
>> parameter of any window involved.  One that dissolves atomicity, for
>> example.
>
> Oh, excellent! I don't think I'll actually use that yet -- I'll fix my
> own package not to call `delete-other-windows', then ask folks to enable
> this feature and watch out for the error, and hopefully bug reports will
> show how `delete-other-windows' might be being used in the wild. Then we
> can look at how best to implement the d-o-w parameter for Gnus windows.

There's the patch as it stands. I'll push in a bit if there's no objection.

0001-New-option-for-making-Gnus-window-layouts-atomic.patch
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