From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: MS Windows double buffering Date: Sat, 30 Apr 2022 13:55:54 +0300 Message-ID: <83k0b696x1.fsf@gnu.org> References: <877d791thh.fsf.ref@yahoo.com> <877d791thh.fsf@yahoo.com> <83ilqtbl3p.fsf@gnu.org> <87sfpxz8a7.fsf@yahoo.com> <87mtg4zhlg.fsf@yahoo.com> <87mtg3unzu.fsf@yahoo.com> <835ymr9i9v.fsf@gnu.org> <87v8urt3mk.fsf@yahoo.com> <83v8ur7x8p.fsf@gnu.org> <87ee1euc8b.fsf@yahoo.com> <83levm98ez.fsf@gnu.org> <877d76uah0.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15806"; mail-complaints-to="usenet@ciao.gmane.io" Cc: kbrown@cornell.edu, emacs-devel@gnu.org To: Po Lu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Apr 30 12:57:12 2022 Return-path: Envelope-to: ged-emacs-devel@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 1nkkml-0003yF-LW for ged-emacs-devel@m.gmane-mx.org; Sat, 30 Apr 2022 12:57:11 +0200 Original-Received: from localhost ([::1]:39086 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkkmk-00027q-7U for ged-emacs-devel@m.gmane-mx.org; Sat, 30 Apr 2022 06:57:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkklV-0000tc-2E for emacs-devel@gnu.org; Sat, 30 Apr 2022 06:55:53 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:42628) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkklU-0006OM-G0; Sat, 30 Apr 2022 06:55:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=7njAreMuaWZmTXjCasXV7+7PX4IYm5YlKuXBwFv6Zi4=; b=AC3Z5s5bqXjW WCRtpcPuQSIhFmDq7ND5+ciDHISMHX9yz3ilVwOS7F9qbQSdcJi2wAvpLAQIJ4YsaNSfEIIsif5nD 32Ggt1mcl+eBQ8UR0ogHM1oPFQwafH8z/09CsRi6vZlM3KkwGIrosrzQpAxoIGNKQ5AQqDVkNvqB7 JWnxdKrTUfAZWiuCJEranScPfIEjJ8jQpWAXSu+/mgcQXlszB40gRhSAvzDLweAiYraP4GGTtJaSq tF8gkJ/Ifg4Uqqm9Kzs5mnUUZL2RdGvyZd98opUcmvk7Exf9e6RbgYjHcA7nSvHcI2Vx6H6O7xNGI bMFJbwO+bZQSbO8MD9bJ9Q==; Original-Received: from [87.69.77.57] (port=3215 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkklT-0005h5-77; Sat, 30 Apr 2022 06:55:52 -0400 In-Reply-To: <877d76uah0.fsf@yahoo.com> (message from Po Lu on Sat, 30 Apr 2022 18:33:31 +0800) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:289044 Archived-At: > From: Po Lu > Cc: kbrown@cornell.edu, emacs-devel@gnu.org > Date: Sat, 30 Apr 2022 18:33:31 +0800 > > Eli Zaretskii writes: > > > Then the flicker of the window parts of the frame (the tool bar, the > > text area, the scroll bar, and the mode line) don't flicker at all, > > but the menu bar and the title bar still do, albeit very > > insignificantly. Overall, the result is much better. > > Thanks. Can you try to find out what type of message is being processed > when the call to `w32_show_back_buffer' in that piece of code is made? It's WM_WINDOWPOSCHANGED.