From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#61667: 29.0.60; Failure to redisplay Date: Tue, 21 Feb 2023 12:43:29 +0200 Message-ID: References: <04d7cb31-684c-07c0-ee7b-503514fc1a85@yandex.ru> <87a617eanz.fsf@yahoo.com> <4306cb76-a44c-3101-e43c-fd64afae4a51@yandex.ru> <871qmje2ws.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23644"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Cc: 61667@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Feb 21 11:44:23 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 1pUQ8F-00060W-2r for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 21 Feb 2023 02:43:31 -0800 (PST) Original-Received: from [192.168.0.2] ([46.251.119.176]) by smtp.googlemail.com with ESMTPSA id w18-20020a05600c475200b003e220998b6bsm5237416wmo.17.2023.02.21.02.43.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Feb 2023 02:43:31 -0800 (PST) Content-Language: en-US In-Reply-To: <871qmje2ws.fsf@yahoo.com> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:256247 Archived-At: On 21/02/2023 12:19, Po Lu wrote: > Dmitry Gutov writes: > >> Hovering the mouse over the mode-line does trigger the necessary >> redisplay. Alt-Tabbing to another window and then back also does >> that. Is that relevant? >> >> Simply moving the mouse (not over the mode-line) doesn't help. >> >> The refresh can also happen on its own, in 1-2 seconds. > > I think this isn't a problem with the GLib input code then. > > Alt-tabbing makes the X event reading code explicitly ask for a > redisplay. If you build --with-checking=yes,glyphs and call > `trace-redisplay', what happens when the redisplay does not happen? Okay, I've rebuilt with --enable-checking=glyphs. With --eval '(trace-redisplay t)', redisplay always happens. ;-( That's not the effect of 'checking', though -- I can still repro if I don't turn on redisplay tracing (which prints stuff in the background window; maybe it's relevant, maybe it's not).