GNU bug report logs - #16028
24.3.50; Latest build completely breaks my thumnail frames code

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From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 16028 <at> debbugs.gnu.org
Subject: bug#16028: 24.3.50;	Latest build completely breaks my thumnail frames code
Date: Fri, 06 Dec 2013 17:20:55 +0100

> OK, I found that adding a (sit-for 0) after this call in
> `thumfr-thumbify-frame' fixes the problem:
>
>   (enlarge-font (- thumfr-font-difference) frame)
>
> (And no error handlers were called with this simple test.)
>
> Do I need to do that in my code, or will you be doing something to
> your fix that incorporates this?
>
> If I need to do it, should I add the sit-for to the end of `enlarge-font'
> or add it only after the above call in `thumfr-thumbify-frame'.
>
> IOW, is this something that needs to be fixed in the frame
> shrinking/enlarging code, even though I do not generally notice a problem
> with that, or should it be handled only here and there, where I happen to
> notice a problem.  (Normally, I would probably opt for the latter, but if
> you think this is now a wise or necessary thing to do in general, then
> let me know.)

Until we resolved this issue leave it in.

IIUC for some reason setting the font apparently doesn't want to resize
the frame immediately.  I could imagine that somewhere in the code I
compare numbers of lines/columns and decide that no resizing is needed
because these are unchanged.

Maybe you could try to insert somwhere at the top level a (ding) in
window--resize-root-window (in window.el) and listen whether it rings
when you try to thumbify a frame (with and without the sit-for).

martin

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