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 11:45:28 +0300 Message-ID: <83pmt2z593.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> <87ee9j4i8y.fsf@yahoo.com> <83o88n1l1f.fsf@gnu.org> <87pmt23gqg.fsf@yahoo.com> <8335py1mqm.fsf@gnu.org> <87a6k62xgn.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12655"; 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 10:46:14 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 1mSbPp-00032L-N2 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 10:46:13 +0200 Original-Received: from localhost ([::1]:39650 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSbPo-0002ew-1G for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 21 Sep 2021 04:46:12 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43580) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSbPe-0002eM-Jw for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 04:46:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33316) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mSbPe-0005f8-BP for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 04:46:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mSbPe-00012e-8s for bug-gnu-emacs@gnu.org; Tue, 21 Sep 2021 04:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Sep 2021 08:46:02 +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=B50660.16322139483981 (code B ref 50660); Tue, 21 Sep 2021 08:46:02 +0000 Original-Received: (at 50660) by debbugs.gnu.org; 21 Sep 2021 08:45:48 +0000 Original-Received: from localhost ([127.0.0.1]:44862 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mSbPQ-000128-8c for submit@debbugs.gnu.org; Tue, 21 Sep 2021 04:45:48 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:54670) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mSbPO-00011u-RS for 50660@debbugs.gnu.org; Tue, 21 Sep 2021 04:45:47 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34252) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSbPH-0005FN-CX; Tue, 21 Sep 2021 04:45:39 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4661 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 1mSbPF-0006gJ-9X; Tue, 21 Sep 2021 04:45:39 -0400 In-Reply-To: <87a6k62xgn.fsf@yahoo.com> (message from Po Lu on Tue, 21 Sep 2021 15:34:48 +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:214930 Archived-At: > From: Po Lu > Cc: larsi@gnus.org, 50660@debbugs.gnu.org > Date: Tue, 21 Sep 2021 15:34:48 +0800 > > Eli Zaretskii writes: > > > When the cursor moves, w->phys_cursor.x is recomputed. AFAIR, in this > > case we perform the usual redisplay (which updates w->phys_cursor), > > and then reapply mouse-face, so show_mouse_face should be called > > again. But you can easily establish if I'm right by running Emacs in > > a debugger with a breakpoint in show_mouse_face. Let me know if you > > find something unexpected or need help in interpreting the findings. > > Interestingly enough, I don't see show_mouse_face being called when the > cursor moves within the highlighted area; I only see it called when the > highlight itself changes, such as when the mouse pointer moves into the > mouse face. If show_mouse_face is not called, then there's nothing to be adjusted. Do you see any display problems with the glyph under the cursor if you just move the cursor inside the mouse-highlighted region? If so, can you show the recipe for reproducing the problem?