From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.bugs Subject: bug#66247: 29.1; Transient frame problems with Emacs 29 on MS Windows Date: Tue, 10 Oct 2023 15:53:56 +0000 Message-ID: References: <87y1gpn5a9.fsf@yahoo.com> <87ttrdn16x.fsf@yahoo.com> <83jzs9x7n8.fsf@gnu.org> <83ttrbaiba.fsf@gnu.org> <83zg0rvd4s.fsf@gnu.org> <83r0m2vga2.fsf@gnu.org> <83edi2v6b2.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25013"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "luangruo@yahoo.com" , "66247@debbugs.gnu.org" <66247@debbugs.gnu.org> To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Oct 10 17:54:59 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qqF4U-0006GD-Rk for geb-bug-gnu-emacs@m.gmane-mx.org; 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Presumably there is > > some use case for having it ON or OFF for only > > specific frames or groups of frames. I'm > > curious what such a use case might be. >=20 > This comes from Unix, where each frame can be on a different X > display, and therefore could use a different display driver. Aha! Now it makes sense to me (it's been a long time since I used X Window). I wonder whether it might make sense for the doc to say something about this? Maybe more importantly I wonder whether it might make sense to add a user option that has the effect of turning on/off double-buffering for all frames. If that were done, there'd be two possibilities for how to handle the combination of that option with the frame parameter: 1. The option value always overrides the frame parameter. 2. The frame parameter always overrides the option. Maybe #2 makes more sense. Alternatively, the option could have more values than just on/off: . ON, and option overrides frame parameter . OFF, and option overrides frame parameter . ON, and frame parameter overrides option . OFF, and frame parameter overrides option Do you think it would be good to add an option? If so, maybe its default value should depend on the `system-type'? E.g., for `windows-nt' it could default to ON, with option overriding frame parameter, and for other `system-type's it could default to ON, with frame parameter overriding option. I know you think that even for most MS Windows users the default value should be ON. The point of having an option would be to simplify turning the behavior on/off. If the use case for using the frame parameter is limited to what you described, then maybe most users (even on UNIX-like platforms) would appreciate a simple option. Anyway, this is OT for this bug, which can be closed, IMO.