From unknown Tue Jun 17 01:48:09 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#40849 <40849@debbugs.gnu.org> To: bug#40849 <40849@debbugs.gnu.org> Subject: Status: 26.3; count-screen-lines returns incorrect result when truncated lines are counted Reply-To: bug#40849 <40849@debbugs.gnu.org> Date: Tue, 17 Jun 2025 08:48:09 +0000 retitle 40849 26.3; count-screen-lines returns incorrect result when trunca= ted lines are counted reassign 40849 emacs submitter 40849 Alexander Miller severity 40849 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Sat Apr 25 09:45:13 2020 Received: (at submit) by debbugs.gnu.org; 25 Apr 2020 13:45:13 +0000 Received: from localhost ([127.0.0.1]:59041 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jSL7J-0000bh-As for submit@debbugs.gnu.org; Sat, 25 Apr 2020 09:45:13 -0400 Received: from lists.gnu.org ([209.51.188.17]:46247) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jSL7H-0000bZ-VO for submit@debbugs.gnu.org; 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c=relaxed/simple; d=web.de; s=dbaedf251592; t=1587822306; bh=pSyldOatGpTG22VqQYMIoLvghS4yTUFk7TrcY1n7zEU=; h=X-UI-Sender-Class:To:Subject:From:Date; b=ixiWdKsDU8sOw9J8+B+ICBLThRaSJj7Aq2w0bVKrT3VoCiJ86gKxtBvwLPr56t0OD jj1/O20Th6XU1309bFa4VNXipxWUzIASoWvcpV9z7wT8lBQ3OGSV5b4Javj8mFxT8g TNQEurUAp2PHj6k0PuutZ+nCj8emEQqnCfjGivME= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.2.105] ([217.241.222.163]) by smtp.web.de (mrweb004 [213.165.67.108]) with ESMTPSA (Nemesis) id 0M6gdA-1jEDyw09B6-00wQyp for ; Sat, 25 Apr 2020 15:45:06 +0200 To: bug-gnu-emacs@gnu.org Subject: 26.3; count-screen-lines returns incorrect result when truncated lines are counted From: Alexander Miller Message-ID: <92a902d1-b035-576a-78cf-e7f48598eff4@web.de> Date: Sat, 25 Apr 2020 15:45:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:Vg8DaNV9Ck1ZyVKUp23dKdDeWNk75+/Vf2VpJI9eDKctnyx+/MJ sCI0uVgtnCJkUx9pY7nxztCWTYMLB0e8csDno61nEE6LRnky970jbCeWI+gJPIqy9mJNb50 zcloQgt66TKmXvVRxcKlP83ZJ1MDCsxH7f3xaBGmHcPDpjZWssfUsbFq49mTN3Fm1dzgFy+ 1xpmc5fkQDs7KurAhQqHw== X-UI-Out-Filterresults: notjunk:1;V03:K0:LC/m2GcmFpQ=:+zX4eJ6z5+NWpYG8dg+fDi YVKr4uvAqCabmORXc3nQqrXPGKWAFnu/Fd++uP0Dh5qxUkUlbASKQlf5vxAr480KpOnPgipEB e/xfkL2X42WBVpOS+C8+9cIHzstZR/+FYnX0xYfDJ55mQKAboB61MNnyCf2Pkl2OxfpUaGrpw 3UaQPieFUHEy6Ma4bPj18UfqUQ6ioIWNw9wGCkSuX+jS7CA3DJON4/y39/y5TlWkt1zc76ZTP wfmD98O7NSxINzPYUBk6vbbCeoN1WGbbwuIFVIlRojds1diDdHLDYNmGEGwsj+LwRnsyRyfjj SjGKwbfwB/JceEdAkIPVk+fbiGc82JLSlzzv63NapH1fsqwiF+DQ5B5O5waggyuwy2PMVMhcV NCBghvqbKrcaflFHImnnBfirBMndm2ZF4tommW1TL7W+smcxfdQ+4Yu1JsrkwBiwKslmQSspg a9sl6yrzYgGER8x2vqANOjUt55JzqBk1F++EmTrwhUe+9+w6N3r5J3X6qpQfB/xuqHcYOzcDH 4eNOUF0EpuQ0Yoq/n7K18s7/v+OpxopXB5r3IdB3ksxQjpxI5Rs0P8z1LrzhAIC4nMxKfViKE OjQintsQ6XR1CiRzX8nueBDZ1TW+L4dBcup/7y7eP0u2BRkfXZPMUKNrTz0Wg4hHpyHADFLEP yrwuP/W7VbRzd4ifNPb/A3H5SKJxdPZ7z8xJgQ5BCPfnQc+ldZdOSCHN0u1vsmLbXtnYouOrd SLIkywt16sNy3Jt5i4c5l6C2c/jkuG7lqCCfjEXL3/xIszqebrDd32rex5RgUyT7Main/AJO5 OmwM/JZ11IowwDwSzxcwpxMplqhAa2OIA+eQiyUp7u3rny0fgfZxGmxmgdJM2YBp3yq11n8Jf RALahHiETgGINuuj+f2y5WienofsnJxBcECxGxDCrVlY6IuDDFffluPGDArgeO12jPF9HGJEl gdkRfmJ8M5PWgNBywiHA+p01CD77w2AidIX1UubySYAgq/0N51jmHLLp5vllGPjp0OLxI8qFB 6lRQZRmoTp2/PsGcTaCglbw0CHiaU80RzQL/rYF+9Cl1+n96MY0hsvCJ8nfPJmqKnaPHBc/u3 o/DWxAr7VuPB71CideMSWHZNwvYRCsDCmwkRgdUkw/8KvkzH0zUIuP5s19UNaTD0sE91/b4xg gWOfNzB0TJH8/tew7QOEA+43RzjMjg3eaga7L1XdtKV5nYPLxVsKGDPY3O4/eXRP2V/eVuizT m1plu49kTLglgmcgz Received-SPF: pass client-ip=212.227.15.4; envelope-from=alexanderm@web.de; helo=mout.web.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/25 09:45:06 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Received-From: 212.227.15.4 X-Spam-Score: 0.6 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.4 (--) Starting from emacs -q run this: (progn (select-window (display-buffer-in-side-window (get-buffer-create (generate-new-buffer-name "*Test*")) '((side . left)))) (shrink-window-horizontally (- (window-width) 10)) (insert (make-string 10 ?A) "\n" (make-string 11 ?A) "\n" (make-string 10 ?A)) (goto-char 0) (forward-line 1) (count-screen-lines (window-start) (line-end-position))) The result will be 3 even though point is on the second line. If the window is instead made large enough to accommodate the entire length of all inserted lines the result is 2. The expected behavior is to return 2 in both situations. In GNU Emacs 26.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.10) of 2019-08-29 built on juergen Windowing system distributor 'The X.Org Foundation, version 11.0.12008000 Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Mark set 3 (#o3, #x3, ?\C-c) Making completion list... [2 times] Configured using: 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib --localstatedir=/var --with-x-toolkit=gtk3 --with-xft --with-modules 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt' CPPFLAGS=-D_FORTIFY_SOURCE=2 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS GLIB NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD LCMS2 Important settings: value of $LC_COLLATE: en_GB.UTF-8 value of $LANG: en_GB.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils elec-pair time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 95003 5589) (symbols 48 20384 1) (miscs 40 64 118) (strings 32 28426 1024) (string-bytes 1 746496) (vectors 16 13938) (vector-slots 8 502078 10192) (floats 8 56 61) (intervals 56 240 7) (buffers 992 13)) From debbugs-submit-bounces@debbugs.gnu.org Sat May 02 04:47:40 2020 Received: (at 40849-done) by debbugs.gnu.org; 2 May 2020 08:47:40 +0000 Received: from localhost ([127.0.0.1]:51187 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jUnoB-0001ug-4X for submit@debbugs.gnu.org; Sat, 02 May 2020 04:47:40 -0400 Received: from eggs.gnu.org ([209.51.188.92]:44434) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jUnnu-0001uD-Kf for 40849-done@debbugs.gnu.org; Sat, 02 May 2020 04:47:37 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:53677) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jUnno-0002zc-TG; Sat, 02 May 2020 04:47:16 -0400 Received: from [176.228.60.248] (port=3943 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jUnnn-0002hg-Qq; Sat, 02 May 2020 04:47:16 -0400 Date: Sat, 02 May 2020 11:47:06 +0300 Message-Id: <83tv0yu3jp.fsf@gnu.org> From: Eli Zaretskii To: Alexander Miller In-Reply-To: <92a902d1-b035-576a-78cf-e7f48598eff4@web.de> (message from Alexander Miller on Sat, 25 Apr 2020 15:45:03 +0200) Subject: Re: bug#40849: 26.3; count-screen-lines returns incorrect result when truncated lines are counted References: <92a902d1-b035-576a-78cf-e7f48598eff4@web.de> X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 40849-done Cc: 40849-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) > From: Alexander Miller > Date: Sat, 25 Apr 2020 15:45:03 +0200 > > Starting from emacs -q run this: > > (progn (select-window > (display-buffer-in-side-window > (get-buffer-create (generate-new-buffer-name "*Test*")) > '((side . left)))) > (shrink-window-horizontally (- (window-width) 10)) > (insert (make-string 10 ?A) "\n" > (make-string 11 ?A) "\n" > (make-string 10 ?A)) > (goto-char 0) > (forward-line 1) > (count-screen-lines (window-start) (line-end-position))) > > The result will be 3 even though point is on the second line. If the > window is instead made large enough to accommodate the entire length of > all inserted lines the result is 2. > > The expected behavior is to return 2 in both situations. Thanks, I think I fixed this now on the master branch. From unknown Tue Jun 17 01:48:09 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Sat, 30 May 2020 11:24:06 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator