GNU bug report logs - #72986
Disabling menu-bar-mode changes size of new frames

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From: martin rudalics <rudalics <at> gmx.at>
To: Reuben Thomas <rrt <at> sc3d.org>
Cc: Po Lu <luangruo <at> yahoo.com>, Eli Zaretskii <eliz <at> gnu.org>, 72986 <at> debbugs.gnu.org
Subject: bug#72986: Disabling menu-bar-mode changes size of new frames
Date: Fri, 6 Sep 2024 09:54:06 +0200

> I checked out git master HEAD (currently df57e44a08f) and reverted commit
> 241616831024c9c9fe2b2378b611db0a560b9675 on top of that.

Good.

> and please first run without the commit under
>> gdb with a breakpoint at the line
>>
>>         adjust_frame_size (f, -1, -1, 2, 0, Qmenu_bar_lines);
>>
>> in xg_update_frame_menubar.  Please note all values you see after doing
>>
>> p req.height
>>
>
> 50 (before initial frame opens)
> 50 (after C-x 5 2, before second frame opens)
>
> And the second frame opens at the expected size, the same size as the first.
>
> Then restore current master and repeat the same steps.  When the values
>> differ, this should tell us something about what happens.
>>
>
> 50 (before initial frame opens)
> 50 (after C-x 5 2, before second frame opens)
>
> But the second frame opens small.

Inexplicable to me.  Please conduct both runs once more.  But rather
than using the debugger simply evaluate

(setq frame-size-history '(100))

in the initial frame, do C-x 5 2, evaluate

(frame--size-history)

and post the contents of the the buffer *frame-size-history* for each
run here.  Maybe we can see some difference then.

martin

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