GNU bug report logs - #56561
29.0.50; Infloop in try_window

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Message #74 received at 56561 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: mwd <at> md5i.com, 56561 <at> debbugs.gnu.org
Subject: Re: bug#56561: 29.0.50; Infloop in try_window
Date: Sat, 16 Jul 2022 18:34:17 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

>> The point I was making was that aborting in such a situation (when there
>> is no row where ends_at_zv_p is true) will result in false positives
>> when the tooltip is intentionally too small to display the entire text.

> Yes, and so this situation should be detected, and we should avoid
> triggering the assertion violation in that case.

Hmm.  I might've missed where you explained that, but how would I go
about detecting that situation?

The way I understand the code is that we set the window dimensions to
the max tooltip size, create a glyph matrix of that size, and then call
try_window.

Thanks.

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