GNU bug report logs - #41200
Displaying a tooltip with x-show-tip gets very slow as more faces are defined

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Package: emacs;

Reported by: Clément Pit-Claudel <cpitclaudel <at> gmail.com>

Date: Tue, 12 May 2020 04:31:01 UTC

Severity: normal

Tags: moreinfo, patch

Merged with 41267

Found in version 26.3

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #20 received at 41200 <at> debbugs.gnu.org (full text, mbox):

From: Clément Pit-Claudel <cpitclaudel <at> gmail.com>
To: martin rudalics <rudalics <at> gmx.at>, 41200 <at> debbugs.gnu.org
Subject: Re: bug#41200: Displaying a tooltip with x-show-tip gets very slow as
 more faces are defined
Date: Tue, 12 May 2020 13:19:06 -0400

On 12/05/2020 11.12, martin rudalics wrote:
>>> Please try with 'tooltip-reuse-hidden-frame' non-nil (there's nothing we
>>> can do about a session's first tooltip appearance, though).
>>
>> I'm not seeing a difference here.  I used this code to test:
> 
> Looks like a devastating bug in the GTK builds.  Can you try with the
> attached patch?
> 
> Thanks, martin

Indeed, with tooltip-reuse-hidden-frame t and your patch, creating a tooltip is instantaneous (after the first tooltip is created)
The docstring suggests that with this option, results won't always be correct.  Is there a chance that we could rebuild the frame when needed and then make that option the default?
This bug report was last modified 3 years and 304 days ago.

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