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#50660: 28.0.50; Text artifacting when the cursor moves over text under mouse face that originally displayed a box Date: Tue, 21 Sep 2021 16:47:42 +0300 Message-ID: <83pmt2xcox.fsf@gnu.org> References: <87czp6ysw7.fsf.ref@yahoo.com> <87czp6ysw7.fsf@yahoo.com> <87y27uro4c.fsf@gnus.org> <877dfdz9ni.fsf@yahoo.com> <831r5l5d6d.fsf@gnu.org> <87h7egy8jo.fsf@yahoo.com> <838rzs4i09.fsf@gnu.org> <87fsu06oxi.fsf@yahoo.com> <83ee9j3ju3.fsf@gnu.org> <834kaf3ets.fsf@gnu.org> <8335pz3dli.fsf@gnu.org> <87r1dj4q4m.fsf@yahoo.com> <83zgs71su7.fsf@gnu.org> <87k0jb4k5l.fsf@yahoo.com> <83sfxz1pw0.fsf@gnu.org> <87o88m14g0.fsf@yahoo.com> <83sfxyxeer.fsf@gnu.org> <87h7ee1252.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39528"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, 50660@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 21 15:49:04 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 1mSg8u-000A3A-5P for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 15:49:04 +0200 Original-Received: from localhost ([::1]:47074 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSg8s-0006hv-8R for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 09:49:02 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36472) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSg7t-0005WL-W2 for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 09:48:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33925) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mSg7t-0002Eb-Ni for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 09:48:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mSg7t-00066L-LG for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 09:48:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Sep 2021 13:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50660 X-GNU-PR-Package: emacs Original-Received: via spool by 50660-submit@debbugs.gnu.org id=B50660.163223207723426 (code B ref 50660); Tue, 21 Sep 2021 13:48:01 +0000 Original-Received: (at 50660) by debbugs.gnu.org; 21 Sep 2021 13:47:57 +0000 Original-Received: from localhost ([127.0.0.1]:45471 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mSg7o-00065k-NZ for submit@debbugs.gnu.org; Tue, 21 Sep 2021 09:47:56 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47432) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mSg7n-00064y-4u for 50660@debbugs.gnu.org; Tue, 21 Sep 2021 09:47:55 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50744) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSg7h-00021Y-Ay; Tue, 21 Sep 2021 09:47:49 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3492 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 1mSg7g-000505-UY; Tue, 21 Sep 2021 09:47:49 -0400 In-Reply-To: <87h7ee1252.fsf@yahoo.com> (message from Po Lu on Tue, 21 Sep 2021 21:36:41 +0800) 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:214976 Archived-At: > From: Po Lu > Cc: larsi@gnus.org, 50660@debbugs.gnu.org > Date: Tue, 21 Sep 2021 21:36:41 +0800 > > Eli Zaretskii writes: > > > Are you saying the vpos is _always_ zero? I don't see how this could > > be true, because display_and_set_cursor uses that to find the glyph > > row that corresponds to the cursor position, and actually draw the > > cursor glyph. If vpos is incorrect, the cursor will appear in the > > long place and will look incorrectly. > > Yes, if I start GDB, and step to this line: > > --> block_input (); > display_and_set_cursor (w, true, hpos, w->phys_cursor.vpos, > > and do > > (gdb) p w->phys_cursor.vpos > > I get 0. It's definitely not what I see here. I see the value that is the screen line number of the cursor. If the cursor is on the first screen line, the value is indeed zero (VPOS is zero-based), but not in general.