GNU bug report logs -
#71656
secondary selection and mouse-drag-secondary-pasting is broken in 29.3 under wayland
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Message #11 received at 71656 <at> debbugs.gnu.org (full text, mbox):
Eli Zaretskii <eliz <at> gnu.org> writes:
>> From: John Heidemann <johnh <at> isi.edu>
>> Date: Wed, 19 Jun 2024 12:33:04 -0700
>>
>> Since Fedora 40 and emacs-29.3, mouse-drag-secondary-pasting has thrown
>> the error "Could not assert ownership over selection: SECONDARY".
>>
>> This is in a default Fedora 40 install with the emacs-29.3-6.fc40.x86_64
>> package, running under Wayland. I think F40 started using native
>> wayland and gtk, which perhaps lost support for secondary selections?
>>
>>
>> To reproduce:
>>
>> start emacs -q
>>
>> In *scratch* run:
>>
>> (require 'mouse-copy)
>> (global-set-key [M-down-mouse-1] 'mouse-drag-secondary-pasting)
>>
>> Then hold down meta and right click and drag over a word.
>>
>> Expected behavior:
>>
>> The text you drag over should be copied to the current location.
>>
>> Actual behavior:
>> error "Could not assert ownership over selection: SECONDARY"
>> and no copying happens.
>>
>>
>> I was the original author of mouse-copy.el and I miss its easy
>> plan-9-like copy what I just moused over.
>>
>> I'm happy to patch its code, but I'd like to know what changed so I can
>> know what I need to work around.
>>
>>
>> Thanks for any pointers,
>
> Thanks. Po Lu, can you please look into and fix this, or help John
> fix it?
John, this error is signaled when the SECONDARY selection is not
implemented by your Wayland compositor. I don't believe this is any
responsibility of ours, and hence your Lisp code should resort to a
different selection on PGTK systems.
This bug report was last modified 362 days ago.
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