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#45628: 28.0.50; Scrolling on echo area with pixel-scroll-mode enabled locks up Emacs Date: Sun, 03 Jan 2021 19:30:33 +0200 Message-ID: <83ble6c4hy.fsf@gnu.org> References: <87zh1qc80k.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15453"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 45628@debbugs.gnu.org To: Amin Bandali , Tak Kunihiro Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 03 18:31:51 2021 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 1kw7EN-0003FI-FX for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 03 Jan 2021 18:31:51 +0100 Original-Received: from localhost ([::1]:41380 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kw7Di-0005sI-8X for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 03 Jan 2021 12:31:10 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57558) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kw7Da-0005s9-PI for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2021 12:31:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55226) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kw7Da-0003HQ-HA for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2021 12:31:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kw7Da-0007ce-Df for bug-gnu-emacs@gnu.org; Sun, 03 Jan 2021 12:31:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 03 Jan 2021 17:31:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45628 X-GNU-PR-Package: emacs Original-Received: via spool by 45628-submit@debbugs.gnu.org id=B45628.160969505829290 (code B ref 45628); Sun, 03 Jan 2021 17:31:02 +0000 Original-Received: (at 45628) by debbugs.gnu.org; 3 Jan 2021 17:30:58 +0000 Original-Received: from localhost ([127.0.0.1]:38539 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kw7DW-0007cM-3b for submit@debbugs.gnu.org; Sun, 03 Jan 2021 12:30:58 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36142) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kw7DU-0007c9-GM for 45628@debbugs.gnu.org; Sun, 03 Jan 2021 12:30:56 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45680) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kw7DL-0003Cg-6L; Sun, 03 Jan 2021 12:30:47 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3162 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kw7DJ-0002Sl-Cj; Sun, 03 Jan 2021 12:30:46 -0500 In-Reply-To: <87zh1qc80k.fsf@gnu.org> (message from Amin Bandali on Sun, 03 Jan 2021 11:14:35 -0500) 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:197260 Archived-At: > From: Amin Bandali > Date: Sun, 03 Jan 2021 11:14:35 -0500 > > As the Subject says, scrolling using the mouse wheel on the echo area > causes Emacs to freeze/lock up (cursor is changed to spinning circle), > when pixel-scroll-mode is enabled. > > I can reproduce in emacs -Q after evaluating the following in *scratch*: > > (require 'pixel-scroll) > (pixel-scroll-mode 1) Thanks. Tak, can you please look into this? The code infloops inside pixel-scroll-down, here: (while (pixel-point-at-bottom-p amt) ; prevent too late (multi tries) (vertical-motion -1)) ; move point upward because the mini-window is normally just one screen line high, so its top and bottom coincide. Shouldn't we exit the loop when vertical-motion returns zero, which means it didn't move? A similar loop exists in pixel-scroll-up, AFAICS.