GNU bug report logs - #9366
Display geometry change hook

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Message #44 received at 9366 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: larsi <at> gnus.org, 9366 <at> debbugs.gnu.org, david <at> harpegolden.net
Subject: Re: bug#9366: Display geometry change hook
Date: Tue, 22 Sep 2020 09:16:58 +0200

> Yes, I know about WM_DISPLAYCHANGE (although we currently only handle
> the full-screen frames there).

Has anyone ever confirmed that it correctly handles the full-screen
frames?

> But the corresponding X feature
> requires the use of a special X module, and I don't know what happens
> on macOS.  So I thought a platform-independent method that always
> works, and can be implemented in just one place, is a better
> alternative.

But such a platform-independent method on X would boil down to using the
same special X module as the platform-dependent method.  That is, we
would try running XRANDR in either case ...  I don't know about macOS.

> Besides, adding one more special event comes with minor disadvantages
> of its own -- one more event to disregard in situations like
> while-no-input etc.

But at least on Windows we have to pay attention to such events anyway.

martin

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