From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#55193: 29.0.50; Double-buffering on MS-Windows freezes cursor in minibuffer Date: Sat, 30 Apr 2022 12:49:12 +0300 Message-ID: <83r15e9a07.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29599"; mail-complaints-to="usenet@ciao.gmane.io" To: 55193@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 30 11:50:50 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 1nkjkX-0007Zf-8y for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 30 Apr 2022 11:50:49 +0200 Original-Received: from localhost ([::1]:47598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkjkW-000259-2E for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 30 Apr 2022 05:50:48 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkjjn-00023f-9f for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:50:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33758) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nkjjm-0005pX-Um for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:50:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nkjjm-0003jM-PH for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:50:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 30 Apr 2022 09:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 55193 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.165131215314278 (code B ref -1); Sat, 30 Apr 2022 09:50:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 30 Apr 2022 09:49:13 +0000 Original-Received: from localhost ([127.0.0.1]:55888 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nkjiy-0003iE-Ve for submit@debbugs.gnu.org; Sat, 30 Apr 2022 05:49:13 -0400 Original-Received: from lists.gnu.org ([209.51.188.17]:56088) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nkjiw-0003i6-Kf for submit@debbugs.gnu.org; Sat, 30 Apr 2022 05:49:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55570) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkjiw-0001eB-CR for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:49:10 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:42016) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkjiw-0005jn-3I for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:49:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=Subject:To:From:Date:mime-version:in-reply-to: references; bh=t9noLngdUhTzAj74/wx6Hdp3fP7PsCUCr+d3pszHYtA=; b=jZ8D2JUiuqSduC x1NvuINS8NvGXkUJXDtGn590f55Nai7EpkPgWOB6jwrVhaZtVtBFpKMMLJr2nH721wcIXU3sfRGfo 9IKVgtOSowDX8PfBOn5IdQEPmGQmvOA6qAmMFJLkk/tR+brf4VR8/93vpjlt7Ppd/jr0wmU9KFiUG qY8I5Hv6NtsrUI9E1TAyDoMTxBpLEFTfiyOcFNIJe7Q3opVX7CCx+fCo2XnMcBqomGcsGdsAF7bEA 0uW19L9mR19gP/ysP9LrpNHhefdER7Wp4GBiFEMTwWlPMFf3Sg7EHg7+ouObPU7NiyEujXW+avUtQ vBvufl8plDgvDd0SF1CQ==; Original-Received: from [87.69.77.57] (port=2919 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkjiv-0005i5-5t for bug-gnu-emacs@gnu.org; Sat, 30 Apr 2022 05:49:09 -0400 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:231004 Archived-At: The new double-buffering feature on MS-Windows causes unpleasant side effect when the user types something into the minibuffer, then presses RET to submit and exit the minibuffer. Without double-buffering, the cursor moves to the beginning of the minibuffer, thus providing visual feedback that whatever the user typed was submitted. With double-buffering turned on, the cursor "freezes" in its last position, at the end of the minibuffer text, until the command finishes and redisplay does its job. Which could be a tangible amount of time, during which Emacs looks "frozen". To reproduce: emacs -Q M-x blink-cursor-mode RET C-x C-f src/xdisp.c RET Observe that the cursor is at the end of the file name until such time as xdisp.c is displayed, which could be a second or two in a non-optimized build of Emacs. Can this be avoided, please, i.e. can we update the display after the cursor is moved? In GNU Emacs 29.0.50 (build 952, i686-pc-mingw32) of 2022-04-30 built on HOME-C4E4A596F7 Repository revision: 7b7a124afa0a71f4847ddc5a3934b02ab5d46d2c Repository branch: master Windowing system distributor 'Microsoft Corp.', version 5.1.2600 System Description: Microsoft Windows XP Service Pack 3 (v5.1.0.2600) Configured using: 'configure -C --prefix=/d/usr --with-wide-int --enable-checking=yes,glyphs 'CFLAGS=-O0 -gdwarf-4 -g3'' Configured features: ACL GIF GMP GNUTLS HARFBUZZ JPEG JSON LCMS2 LIBXML2 MODULES NOTIFY W32NOTIFY PDUMPER PNG RSVG SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS WEBP XPM ZLIB Important settings: value of $LANG: ENU locale-coding-system: cp1255 Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t eldoc-mode: t show-paren-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 line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media rmc puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date seq gv subr-x byte-opt bytecomp byte-compile cconv mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel dos-w32 ls-lisp disp-table term/w32-win w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice simple 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 emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads w32notify w32 lcms2 multi-tty make-network-process emacs) Memory information: ((conses 16 49118 7913) (symbols 48 6888 1) (strings 16 19126 2798) (string-bytes 1 536222) (vectors 16 11253) (vector-slots 8 161083 8684) (floats 8 22 53) (intervals 40 268 69) (buffers 888 10))