From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Newsgroups: gmane.emacs.bugs Subject: bug#57607: Feature request: Use the character cell on bottom-right corner of a terminal Date: Thu, 08 Sep 2022 14:35:15 +0200 Message-ID: References: <87wnakl5md.fsf@disroot.org> <87o7vt3s58.fsf@disroot.org> <87ilm04xzl.fsf@disroot.org> <875yi0v8r6.fsf@disroot.org> <874jxjhz9l.fsf@disroot.org> <87tu5i9kbg.fsf@disroot.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15078"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) Cc: 57607@debbugs.gnu.org To: Akib Azmain Turja Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 08 15:08:22 2022 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 1oWHGX-0003hM-C9 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 08 Sep 2022 15:08:21 +0200 Original-Received: from localhost ([::1]:40864 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oWHGW-00075c-Dc for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 08 Sep 2022 09:08:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47494) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oWGlG-0004Bh-F1 for bug-gnu-emacs@gnu.org; Thu, 08 Sep 2022 08:36:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40560) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oWGlG-00017N-5t for bug-gnu-emacs@gnu.org; Thu, 08 Sep 2022 08:36:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oWGlF-0006kY-Sp for bug-gnu-emacs@gnu.org; Thu, 08 Sep 2022 08:36:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gerd =?UTF-8?Q?M=C3=B6llmann?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 08 Sep 2022 12:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57607 X-GNU-PR-Package: emacs Original-Received: via spool by 57607-submit@debbugs.gnu.org id=B57607.166264052525897 (code B ref 57607); Thu, 08 Sep 2022 12:36:01 +0000 Original-Received: (at 57607) by debbugs.gnu.org; 8 Sep 2022 12:35:25 +0000 Original-Received: from localhost ([127.0.0.1]:57492 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oWGke-0006jd-PW for submit@debbugs.gnu.org; Thu, 08 Sep 2022 08:35:25 -0400 Original-Received: from mail-wr1-f51.google.com ([209.85.221.51]:43713) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oWGkd-0006jN-AJ for 57607@debbugs.gnu.org; Thu, 08 Sep 2022 08:35:23 -0400 Original-Received: by mail-wr1-f51.google.com with SMTP id t7so20803102wrm.10 for <57607@debbugs.gnu.org>; Thu, 08 Sep 2022 05:35:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date; bh=t+nEN8r5trlGVs2T/xDwnm/66f5DZT99PajcwHW58Mw=; b=hl4PwX5alrzAZT/DR36qQ/AwK7K3DOOJIG1lxfwSOzBEY25PrV/P/thvNWUkeJIPa8 SFPMCifjarKHGBdGbncLBKNIKpmeHPRoBqieEudaiZu81xDxH3dgWKw95zuHsMNRl6J0 VARHFzpRLfIQLczrodPxVNx6ne/joudHidlU/wPiYsUSs+4x3Yi+cvHAzI96uk1+A/dq COuQQMaxIhUcyCOPqOAMKxuhcKvqleWfIBvgBKdlR68/44ZOI5VX09pZKc9uCuj+7JvK jL7QzbCHvjCD5btOWJyoXKUOozogLwoltEdspoi2DNJOhnenIlMfLhC2maL7e+v/1iF5 b9DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date; bh=t+nEN8r5trlGVs2T/xDwnm/66f5DZT99PajcwHW58Mw=; b=tqlKs9qZOJPUvE1OlISH59AGZ6vxnQe028lQLr1oZBGY4bTBw3IYx7VRheODg2vOOi 7PaNx7wBEGDj2UEQrENh4L7L+CLNeQRl8MbYttNvFWgXsGw1yc7g2zlXWF1IlTBJ/cbN VqPq8As2wYwpP6MXiyq8SIxkz9g9mMarWWGjSW6mN/1qcXamz9mpL/1lJ6ZhGRLS6nTD Zstq+/NLQU5z3wJeS6GR8OxpqYfZEFsbSKKdUa/6plnq2uE4rKNoZuiq0nE24AvZcXbP +WpgrshpwiF1TF7ZtR2b37AK3l1Gc9WNsnOwfDjKV7ZrFgk6aSdyM6vjRmuYr1WF19D7 UC4w== X-Gm-Message-State: ACgBeo0giYLfrQchkjq7s9V6gFKxw8Jo9I3z5i+INiY2wdG1OFRRo84g 968xD1jA7eUREMpXXWSw5uTT6L88UdUdcQ== X-Google-Smtp-Source: AA6agR6o/2xf2Ml9LUGh6kG2a+nn1IguJY9b6irAngMapE1985MTjkkq2En1U0rpkKDGaKYFg3ci+Q== X-Received: by 2002:a05:6000:904:b0:21a:3dca:4297 with SMTP id bz4-20020a056000090400b0021a3dca4297mr4889314wrb.487.1662640517183; Thu, 08 Sep 2022 05:35:17 -0700 (PDT) Original-Received: from Mini.fritz.box (pd9e367ac.dip0.t-ipconnect.de. [217.227.103.172]) by smtp.gmail.com with ESMTPSA id 19-20020a05600c26d300b003a50924f1c0sm2339105wmv.18.2022.09.08.05.35.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Sep 2022 05:35:16 -0700 (PDT) In-Reply-To: <87tu5i9kbg.fsf@disroot.org> (Akib Azmain Turja's message of "Thu, 08 Sep 2022 17:28:35 +0600") 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" Xref: news.gmane.io gmane.emacs.bugs:241875 Archived-At: Akib Azmain Turja writes: > Yes, I'm interested, because I think it would help me understand how > Emacs renders text in terminal, which would help me to implement child > frame in terminal. But I don't have the time to do it right now. I > hope I can start doing this by late October. Great! I've re-opened this issue. > >> >> The places you mention sound right. It's probably all in term.c. But >> I'd like to add, that in principle all places writing to the terminal >> have to be checked at least. >> >> And corner cases have to be taken into consideration :-). Pulling >> something out of thin air: What happens if we write RGRG to the >> bottom-right corner, where R is one red char, and G is 1 green char, >> say. > > I think you meant the following in Bash: > > printf "%$((COLUMNS - 4))s\e[31mr\e[32mg\e7\e[32mg\e8\e[@\e[31mr\e[m" "" ; sleep 1 ; printf '\n' > > And it works on St, Kitty, Coterm, Term, etc. What I was thinking of is the Emacs side of things, i.e. can we always do our magic locally in tty_write... etc., or is it sometimes necessary to reorder writes at the caller.