From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-44543-ml=inbox.vuxu.org@zsh.org>
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org
X-Spam-Level: 
X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no
	version=3.4.2
Received: from primenet.com.au (ns1.primenet.com.au [203.24.36.2])
	by inbox.vuxu.org (OpenSMTPD) with ESMTP id d48a45ac
	for <ml@inbox.vuxu.org>;
	Tue, 16 Jul 2019 00:02:44 +0000 (UTC)
Received: (qmail 7103 invoked by alias); 16 Jul 2019 00:02:39 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
List-Unsubscribe: <mailto:zsh-workers-unsubscribe@zsh.org>
X-Seq: 44543
Received: (qmail 20829 invoked by uid 1010); 16 Jul 2019 00:02:39 -0000
X-Qmail-Scanner-Diagnostics: from mail-lj1-f174.google.com by f.primenet.com.au (envelope-from <schaefer@brasslantern.com>, uid 7791) with qmail-scanner-2.11 
 (clamdscan: 0.101.2/25510. spamassassin: 3.4.2.  
 Clear:RC:0(209.85.208.174):SA:0(-1.9/5.0):. 
 Processed in 2.125607 secs); 16 Jul 2019 00:02:39 -0000
X-Envelope-From: schaefer@brasslantern.com
X-Qmail-Scanner-Mime-Attachments: |
X-Qmail-Scanner-Zip-Files: |
Received-SPF: pass (ns1.primenet.com.au: SPF record at _netblocks.google.com designates 209.85.208.174 as permitted sender)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=brasslantern-com.20150623.gappssmtp.com; s=20150623;
        h=mime-version:references:in-reply-to:from:date:message-id:subject:to
         :cc;
        bh=Ujr0eeDa2eEzSmH3hIo4GpUKYNKzsAmOh7m+cI7U8uA=;
        b=RhpuLgDAQG7uEVzKpD1ZBpPG8OiMr5hTEVSpPehWx5XhMm7Y1m/wInyTKQM6crPAci
         bozTJOpIcU/m+iqLslfoSdgel5FJHi9TYlm57ha4TVFIqtwyQ22BXWihhgmfme+3WgFM
         Gaz84n2inwjMVdzSrE2b8gH+7ossjBkfrOFwn4/8plqTLSSMAlKEHMhTQDUJ7D/8V2lh
         1Pf/D6Sw91kHEOO91/UjUHIkdQ7HnK10PB5BRHN6KtshNxapj5s75Yn56NZcCqOGz4JC
         yE0OnYVC+3iFSsETyuNFwkkDSOuBCEJXidWti6GplPa8xwHVEBX3S/2Sfr3jlD9e6+3B
         BxjA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:references:in-reply-to:from:date
         :message-id:subject:to:cc;
        bh=Ujr0eeDa2eEzSmH3hIo4GpUKYNKzsAmOh7m+cI7U8uA=;
        b=tGYefE8dtzrvpjg7O1Cp6G4BgIJHCrWY2l/+Q/ohF1AMHCD9ubtSYod6gE06aZ1LpD
         5i0lZiLPfHzfeYTUJ4ZtRglrLaG2jX/b9BRt9ZwaUsN1JPuDcl1RALVmTIVfHHjjrOwD
         UmeUI6lsFcd2nolHRSiEFq/HDnPVyCqTNztLB+sEKNuLxxIMQ6z/JvRl8yOjOOda8xQQ
         IZ5l4ojkY2VNaPD90GzUu0lwbAfOBq5kl1Cp90iewr+3vf5IZ6u8sw7lAJo0zlxSaqUA
         ZYtDV4h24bG/gZc+QmenwpG0iLIFDI1wP+RP29iIQXrzXgOfBB1k9vIjwphG+dYdkRRJ
         voMg==
X-Gm-Message-State: APjAAAXRW0oC5m2FDP3c/Anyua/1FP28XppQLSIPkKrjS1eytNwEBKxQ
	SVHar9HTNfOZbNc1QpkJ4GcvebrOLFZ2xMsmDxM=
X-Google-Smtp-Source: APXvYqzLuSm+5gmaSBxPwBlLXOH9Wg3lY88feVhShAYHe8TpYTuHqcbGA+m8l/nWlGmDpqW/+SFpYFpZ93Ylqju0op8=
X-Received: by 2002:a2e:2d12:: with SMTP id t18mr15935203ljt.175.1563235322518;
 Mon, 15 Jul 2019 17:02:02 -0700 (PDT)
MIME-Version: 1.0
References: <CAN=4vMp+E7esA48bEtRs-+Rmm9ng7i+FayGVqcLZqyjwVkayAw@mail.gmail.com>
 <CAH+w=7aLYK6jGcyg6t_FUKaMdzdQJOt7kCod=Ct8Fmjtd00KiQ@mail.gmail.com> <CAN=4vMr2VTtJ-8TXtMNkf2YN=1nekYneRr6EPTPg_gkc9w6dew@mail.gmail.com>
In-Reply-To: <CAN=4vMr2VTtJ-8TXtMNkf2YN=1nekYneRr6EPTPg_gkc9w6dew@mail.gmail.com>
From: Bart Schaefer <schaefer@brasslantern.com>
Date: Mon, 15 Jul 2019 17:01:51 -0700
Message-ID: <CAH+w=7bwo-hkT4ftRe3-4UFk07FfKfnpi+8O2k_UtzcNgvt+5g@mail.gmail.com>
Subject: Re: PATCH: draw prompt on the correct line after window change
To: Roman Perepelitsa <roman.perepelitsa@gmail.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset="UTF-8"

On Mon, Jul 15, 2019 at 3:09 PM Roman Perepelitsa
<roman.perepelitsa@gmail.com> wrote:
>
> This patch [is] only doing writes to the terminal without any reads.
> Whenever ZLE prints prompt, it issues TCSAVECURSOR

OK, then there is a different problem:  Nothing prevents the prompt
itself from printing TCSAVECURSOR/TCRESTRCURSOR, and in fact some of
the themed prompts provided with zsh do that.  There's no way for zsh
to guarantee that the cursorsaved flag is accurate.