GNU bug report logs - #79164
[PATCH] Fix macOS frame position update after resize/move in nsterm.m

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: 川本 琢二 (Dr.Sc.KAWAMOTO,Takuji) <kawamoto.takuji <at> gmail.com>
Cc: 79164 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Alan Third <alan <at> idiocy.org>
Subject: bug#79164: [PATCH] Fix macOS frame position update after resize/move in nsterm.m
Date: Mon, 04 Aug 2025 15:11:52 +0200

"川本 琢二 (Dr.Sc.KAWAMOTO,Takuji)" <kawamoto.takuji <at> gmail.com> writes:

> Thank you.
>
> For the record, the patch was applied and tested against the latest
> master branch of Emacs as of 2025-07-20.
> The base commit was:
>
>     commit e6c1ec71b72  [Define setfunction for
> bibtex-generate-url-list (bug#78798)]
>
> I built and tested on macOS 15.5 (Sonoma) using native compilation
> enabled (`--with-native-compilation`),
>  and verified the fix by tracking both Emacs's internal frame state
> and actual macOS-reported window
> geometry during left-edge resize operations.
>
> Best regards,
> Dr.Sc.KAWAMOTO, Takuji
> On 2025/08/04 20:58, Eli Zaretskii wrote:
>>> ate: Sun, 3 Aug 2025 15:45:25 +0900
>>> From: 川本 琢二
>>>   (Dr.Sc.KAWAMOTO, Takuji)<kawamoto.takuji <at> gmail.com>
>>>
>>> This patch addresses a bug in the macOS build of Emacs, where frame
>>> position was not correctly updated after resizing from the left edge.
>>>
>>> In particular, it fixes the issue reported in bug#74074, where
>>> the move-frame-functions hook does not reliably reflect the final
>>> frame location after resizing. This patch introduces the
>>> updateFramePosition method, which is called from windowDidMove
>>> and windowDidEndLiveResize to ensure the frame geometry stays
>>> in sync with the actual macOS window position.
>>>
>>> Tested on macOS 15.5.
>> Thanks, I hope the macOS experts (CC'ed) will be able to review and
>> test the patch.
>>
>> For the record: which Emacs version did you patch with this change?

I'm afraid that goes beyond my knowledge. But I can say that
Yamamoto-san's mac uses these methods, too:

  https://github.com/jdtsmith/emacs-mac/blob/emacs-mac-30_1_exp/src/macappkit.m

and it does seems to work correctly. 

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