From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuan Fu Newsgroups: gmane.emacs.bugs Subject: bug#43469: 28.0.50; window-text-pixel-size returns incorrect value when line-prefix is set Date: Sat, 19 Sep 2020 14:33:03 -0400 Message-ID: <8EBE71CC-3AA0-4680-92FE-6B91F4E0773A@gmail.com> References: <83r1r05mxk.fsf@gnu.org> <97950C21-6F10-4E4C-8854-BA64C023B9D6@gmail.com> <835z8a51qu.fsf@gnu.org> Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17137"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 43469@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Sep 19 20:34:22 2020 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 1kJhgj-0004Mj-Sa for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 19 Sep 2020 20:34:21 +0200 Original-Received: from localhost ([::1]:55516 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kJhgi-0001xO-Ue for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 19 Sep 2020 14:34:20 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50078) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kJhgR-0001vN-0V for bug-gnu-emacs@gnu.org; Sat, 19 Sep 2020 14:34:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36556) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kJhgQ-0008Ub-5A for bug-gnu-emacs@gnu.org; Sat, 19 Sep 2020 14:34:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kJhgQ-0005dc-2m for bug-gnu-emacs@gnu.org; Sat, 19 Sep 2020 14:34:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Yuan Fu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 19 Sep 2020 18:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43469 X-GNU-PR-Package: emacs Original-Received: via spool by 43469-submit@debbugs.gnu.org id=B43469.160054039721608 (code B ref 43469); Sat, 19 Sep 2020 18:34:02 +0000 Original-Received: (at 43469) by debbugs.gnu.org; 19 Sep 2020 18:33:17 +0000 Original-Received: from localhost ([127.0.0.1]:48099 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kJhfh-0005cR-Bu for submit@debbugs.gnu.org; Sat, 19 Sep 2020 14:33:17 -0400 Original-Received: from mail-qv1-f46.google.com ([209.85.219.46]:35922) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kJhfa-0005c9-9g for 43469@debbugs.gnu.org; Sat, 19 Sep 2020 14:33:16 -0400 Original-Received: by mail-qv1-f46.google.com with SMTP id f11so5009755qvw.3 for <43469@debbugs.gnu.org>; Sat, 19 Sep 2020 11:33:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=HzFKwvm+YGlZdEox86EgfZ7wnVIJreW5aky36RFzT6A=; b=fPvXs55/I+Gdi7wjm2fzxYXFXxm/9cGYl4Kx2sbHLjNS2rgy8Fsy/zQqj923tRH4E0 jBARKeY8KzH/m/o7oULmU9y3OSLfMJem8NXkVtwGWA3NPyp7gxp+beQJs53sMV9miDZT rhvgC+lm9rTlXv6QW2CT91X2I1ecG62wSfaqBQPRqe+pm3A3yFlgDxOr5qVG7GGatT0b oUrriEwncctDUEqmetVu01OMgEGR4+j2FeerzVNz65etwma81iidxNLh5qmUzvB89eaY Zr+PO2qo4EIQdnXdi2K2+SPvTx5VjppFdFkJwv28LAiMLbmr1t8UDBuQsfd12V93kMCn jkEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=HzFKwvm+YGlZdEox86EgfZ7wnVIJreW5aky36RFzT6A=; b=GpxT0i2WG/wR0LLbCERhyPaz+XK6/4JL9X6u8KQ7O67zC0We2ClDm9DiWkxa9NPf/E m2Om4TKiHtvLwN/EJ/3o23g0Imlz97TRpeVX7FEn1hM+ZNbHqoX1R24KAALIvrpf6vve FoaVovxQ9dOaoNkNTKdtXiWjcXtCNltphT4aCLkLCCHofMwYEQF1xMgIRdo20ergjtEj p/689amhA8Qr4sijIfapR4qy9gPAikpMPDGWVX/KJtVO+hdxMKkeFX8bslgYXJo8h8di WdBvr60vliOGe5oZU5X1axVxslhatNk2oBHxCNq6YnIg/MgY0Yfh9EOh3LCEy336y1ju IJ5w== X-Gm-Message-State: AOAM532sbAYCbMkuo+n2S3XGt8z8Ydvld/FZxGpStaTulX9J5n3OFaUe +VDR0O+YFKtBBSVXj68Of4KRmivgu7dkE+j/ X-Google-Smtp-Source: ABdhPJx8JeELZbNTolHsqj6HyMQN/TrZJz+5gozGgExSVcjDveNtgAvlnaEe+XKaoqVxjn5/hpjVSw== X-Received: by 2002:ad4:4891:: with SMTP id bv17mr39651485qvb.23.1600540384696; Sat, 19 Sep 2020 11:33:04 -0700 (PDT) Original-Received: from ?IPv6:2601:98a:4200:9210:6549:b792:5f47:6486? ([2601:98a:4200:9210:6549:b792:5f47:6486]) by smtp.gmail.com with ESMTPSA id m196sm5026150qke.87.2020.09.19.11.33.03 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 19 Sep 2020 11:33:04 -0700 (PDT) In-Reply-To: <835z8a51qu.fsf@gnu.org> X-Mailer: Apple Mail (2.3608.120.23.2.1) 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:188426 Archived-At: > On Sep 18, 2020, at 3:22 PM, Eli Zaretskii wrote: >=20 >> From: Yuan Fu >> Date: Fri, 18 Sep 2020 13:05:15 -0400 >> Cc: 43469@debbugs.gnu.org >>=20 >>>> (progn (insert "xxxxxxxxxxxxxx") >>>> (print (car (window-text-pixel-size >>>> nil (line-beginning-position) = (line-end-position)))) >>>> (put-text-property (line-beginning-position) = (line-end-position) >>>> 'line-prefix " ") >>>> (print (car (window-text-pixel-size >>>> nil (line-beginning-position) = (line-end-position))))) >>>>=20 >>>> Prints first 98, then 119 >>>=20 >>> Why do you think this is a bug? >>=20 >> I thought the pixel width shouldn=E2=80=99t include the line-prefix? >=20 > It should. =46rom the function's doc string: >=20 > This function exists to allow Lisp programs to adjust the dimensions > of WINDOW to the buffer text it needs to display. >=20 > When you want to know how wide a window you need for displaying some > text, you do want the line-prefix part accounted for. I see. I managed to use (window-text-pixel-size nil (point) (point)) to = calculate the prefix width and subtract it out. Thanks. Yuan